gcc/ChangeLog

   1 2009-11-30  Richard Guenther  <rguenther@suse.de>
   2
   3         * tree.c (free_lang_data): Do not set debug_info_level to
   4         none if terse.
   5
   6 2009-11-30  Richard Guenther  <rguenther@suse.de>
   7
   8         PR middle-end/42119
   9         PR fortran/38530
  10         * expr.c (expand_expr_addr_expr_1): Properly expand the initializer
  11         of CONST_DECLs.
  12
  13 2009-11-30  Richard Guenther  <rguenther@suse.de>
  14
  15         * tree-into-ssa.c (insert_phi_nodes): Add PHI nodes in
  16         variable UID order.
  17
  18 2009-11-30  Richard Guenther  <rguenther@suse.de>
  19
  20         * tree-dump.c (dump_option_value_in): Add TDF_NOUID.
  21         * tree-pass.h (TDF_NOUID): Likewise.
  22         * print-rtl.c: Include tree-pass.h.
  23         (print_mem_expr): Pass dump_flags.
  24         (print_rtx): Likewise.
  25         * print-tree.c: Include tree-pass.h.
  26         (print_node_brief): Handle TDF_NOUID.
  27         (print_node): Likewise.
  28         * tree-pretty-print.c (dump_decl_name): Likewise.
  29         (dump_generic_node): Likewise.
  30         * Makefile.in (print-rtl.o, print-tree.o): Add $(TREE_PASS_H)
  31         dependency.
  32
  33 2009-11-30  Nick Clifton  <nickc@redhat.com>
  34
  35         * config/stormy16/stormy16-lib2-count-leading-zeros.c: Delete.
  36         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Remove
  37         stormy16-lib2-count-leading-zeros.c.
  38         * config/stormy16/stormy16-lib2.c (__clzhi2): Move code from
  39         __stormy16_count_leading_zeros() into this function.
  40         (__ctzhi2): Use __builtin_clz.
  41         (__ffshi2): Likewise.
  42
  43 2009-11-30  Eric Botcazou  <ebotcazou@adacore.com>
  44
  45         * config/sparc/sparc.c (DF_MODES): Simplify.
  46         (TF_ONLY_MODES, OF_ONLY_MODES): Delete.
  47         (TF_MODES, OF_MODES): Adjust for above change.
  48         (TF_MODES_NO_S, OF_MODES_NO_S): Likewise.
  49         *  config/sparc/sparc.h (REGNO_REG_CLASS): Move around.
  50
  51 2009-11-30  Paolo Bonzini  <bonzini@gnu.org>
  52
  53         PR rtl-optimization/41812
  54         * fwprop.c (local_md, local_lr): New globals.
  55         (process_defs, process_uses): Remove local_md argument.  Never
  56         consider dead pseudos to have singleton def-use chains.
  57         (single_def_use_enter_block): Perform LR simulation.
  58         (build_single_def_use_links): Remove local_md local variable.
  59         Add DF_NOTE.  Allocate local_lr.
  60         (fwprop_done): Do not remove DF_CHAIN, we do not use it anymore.
  61         * df-problems.c (df_md_scratch): New.
  62         (df_md_alloc, df_md_free): Allocate/free it.
  63         (df_md_local_compute): Only include live registers in init.
  64         (df_md_transfer_function): Prune the in-set computed by
  65         the confluence function, and the gen-set too.
  66
  67 2009-11-30  Hans-Peter Nilsson  <hp@axis.com>
  68
  69         PR rtl-optimization/40086
  70         * reorg.c (relax_delay_slots): When looking for redundant insn at
  71         the branch target, use next_real_insn, not next_active_insn.
  72
  73 2009-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  74
  75         * doc/install.texi: Update minimum MPC version to 0.8.
  76
  77 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
  78
  79         * config/rs6000/rs6000.md (fnmaddsf4_powerpc_1): Remove
  80         HONOR_SIGNED_ZEROS final condition.
  81         (fnmsubsf4_powerpc_1): Same.
  82         (fnmadddf4_fpr_1): Same.
  83         (fnmsubdf4_fpr_1): Same.
  84
  85 2009-11-29  Ira Rosen  <irar@il.ibm.com>
  86
  87         PR tree-optimization/42193
  88         * tree-vect-stmts.c (vectorizable_operation): Set vectorization factor
  89         to 1 in case of basic block SLP.
  90         (vectorizable_load): Likewise.
  91
  92 2009-11-28  Jan Hubicka  <jh@suse.cz>
  93
  94         * cgraph.c (same_body_alias_1): Break out of
  95         (same_body_alias): ... here; remove comdat check; it is handled
  96         in cp already.
  97         (cgraph_add_thunk): New.
  98         (dump_cgraph_node): Dump aliases and thunks.
  99         * cgraph.h (cgraph_thunk_info): New structure.
 100         (struct cgraph_node): Add thunk info.
 101         (cgraph_add_thunk): New.
 102         * cgraphunit.c (cgraph_emit_thunks): Remove.
 103         (cgraph_finalize_compilation_unit): Do not call cgraph_emit_thunks.
 104         (assemble_thunk): New function.
 105         (cgraph_expand_function): Handle thunks.
 106         (thunk_adjust): New.
 107         (init_lowered_empty_function): New.
 108         * cp-objcp-common.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): Remove.
 109         * lto-cgraph.c (lto_output_node): Stream thunk info.
 110         (input_node): Likewise.
 111         * langhooks.h (lang_hooks_for_callgraph): Remove emit_associated_thunks.
 112         * langhooks-def.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): Remove.
 113         (LANG_HOOKS_CALLGRAPH_INITIALIZER): Update.
 114         * i386.c (x86_output_mi_thunk): Make output prettier.
 115
 116 2009-11-28  Richard Guenther  <rguenther@suse.de>
 117
 118         PR tree-optimization/42183
 119         * tree-nrv.c (tree_nrv): Bail out if the RESULT_DECL has its
 120         address taken.  Merge the addressable state of the NRV
 121         variable and the result instead of copying it.
 122
 123 2009-11-28  Jakub Jelinek  <jakub@redhat.com>
 124
 125         * matrix-reorg.c (analyze_matrix_allocation_site): Remove unused
 126         malloc_fname variable.
 127         (check_allocation_function): Remove unused gsi and bb_level_0
 128         variables.
 129         (transform_access_sites): Remove unused d_type_size and d_type_size_k
 130         variables.
 131         * omega.c (resurrect_subs): Remove unused n variable.
 132         (omega_solve_geq): Remove unused neweqns variable.
 133         * lto-streamer-in.c (lto_read_tree): Remove unused end_marker variable.
 134         * tree-inline.c (declare_return_variable): Remove USE_P argument,
 135         return use instead of var.
 136         (remap_decl, remap_block): Remove unused fn variable.
 137         (expand_call_inline): Remove unused retvar variable, adjust
 138         declare_return_variable caller.
 139         (optimize_inline_calls): Remove unused prev_fn variable.
 140         * tree-vect-slp.c (vect_analyze_slp_instance): Remove unused ncopies
 141         variable.
 142         (vect_create_mask_and_perm): Remove unused group_size and dr_chain_size
 143         variables.
 144         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle MINUS_EXPR
 145         properly.
 146         * tree-vect-loop.c (vect_analyze_loop_form): Remove unused backedge
 147         variable.
 148         (vect_create_epilog_for_reduction): Remove unused bytesize variable.
 149         * omp-low.c (workshare_safe_to_combine_p): Remove par_entry_bb
 150         parameter.  Remove unused par_stmt variable.
 151         (determine_parallel_type): Adjust workshare_safe_to_combine_p caller.
 152         (expand_omp_sections): Remove unused l1 variable.
 153         (lower_omp_for): Remove unused ilist variable.
 154         * tree-loop-distribution.c (mark_nodes_having_upstream_mem_writes):
 155         Remove unused has_upstream_mem_write_p variable.
 156         * recog.c (decode_asm_operands): Remove unused noperands variable.
 157         * tree-ssa-alias.c (refs_may_alias_p_1): Remove unused size1 and
 158         size2 variable.
 159         * libgcov.c (__gcov_merge_delta): Remove unused last variable.
 160         * tree-call-cdce.c (gen_conditions_for_pow_int_base): Remove unused
 161         base_nm variable.
 162         (gen_conditions_for_pow): Remove unused ec variable.
 163         * tree-ssa-sccvn.c (vn_reference_lookup_3): Remove unused size
 164         variable.
 165         * ipa-struct-reorg.c (program_redefines_malloc_p): Remove unused
 166         fndecl variable.
 167         * tree-ssa-sink.c (statement_sink_location): Remove unused code
 168         variable.
 169         * regmove.c (copy_src_to_dest): Remove unused insn_uid and move_uid
 170         variables.
 171         * tree-complex.c (create_one_component_var): Remove unused inner_type
 172         variable.
 173         * calls.c (emit_call_1): Don't GEN_INT (struct_value_size)
 174         unnecessarily when GEN_*CALL omits that argument.
 175         * regrename.c (regrename_optimize): Remove unused regs_seen variable.
 176         (build_def_use): Remove unused icode variable.
 177         * ipa-pure-const.c (check_call): Remove unused callee and avail
 178         variables.
 179         * tree-dfa.c (add_referenced_var): Remove unused v_ann variable.
 180         * tree-vect-patterns.c (vect_recog_pow_pattern): Remove unused type
 181         variable.
 182         (vect_pattern_recog): Remove unused stmt variable.
 183         * sel-sched-ir.c (make_regions_from_the_rest): Remove unused
 184         new_regions variable.
 185         * postreload.c (reload_cse_simplify_operands): Remove unused mode
 186         variable.
 187         * tree-parloops.c (create_call_for_reduction_1): Remove unused
 188         addr_type variable.
 189         (create_parallel_loop): Remove unused res variable.
 190         (gen_parallel_loop): Remove unused nloop variable.
 191         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
 192         * value-prof.c (gimple_mod_subtract_transform,
 193         gimple_stringops_transform): Remove unused value variable.
 194         (gimple_stringops_values_to_profile): Remove unused fcode variable.
 195         * tree-vrp.c (register_new_assert_for): Remove unused found variable.
 196         (vrp_visit_switch_stmt): Remove unused n variable.
 197         * tree-vect-stmts.c (vectorizable_conversion): Remove unused expr
 198         variable.
 199         (vectorizable_operation): Remove unused shift_p variable.
 200         (vectorizable_store): Remove unused first_stmt_vinfo variable.
 201         * tree-ssa-operands.c (add_stmt_operand): Remove unused v_ann variable.
 202         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove unused bb
 203         variable.
 204         (vect_permute_store_chain): Remove unused scalar_dest variable.
 205         (vect_supportable_dr_alignment): Remove unused invariant_in_outerloop
 206         variable.
 207         * tree-ssa-threadupdate.c (thread_single_edge): Remove unused
 208         local_info variable.
 209         * tree-optimize.c (tree_rest_of_compilation): Remove unused node
 210         variable.
 211         * optabs.c (expand_binop): Remove unused equiv_value variable.
 212         (emit_libcall_block): Remove unused prev variable.
 213         (init_optabs): Remove unused int_mode variable.
 214         * tree-ssa-structalias.c (scc_visit): Remove unused have_ref_node
 215         variable.
 216         (do_structure_copy): Remove unused lhsbase and rhsbase variables.
 217         (find_func_aliases): Remove unused rhstype variable.
 218         (ipa_pta_execute): Remove unused varid variable.
 219
 220 2009-11-28  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
 221
 222         * config/avr/avr.h (ASM_OUTPUT_EXTERNAL): Add.
 223
 224 2009-11-28  David Binderman  <dcb314@hotmail.com>
 225
 226         * ira-color.c (put_allocno_into_bucket): Remove set but not used
 227         local variable hard_regs_num.
 228         * ira-lives.c (process_single_reg_class_operands): Remove cover_class.
 229         * loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
 230         * lower-subreg.c (decompose_multiword_subregs): Remove next.
 231
 232 2009-11-27  Martin Jambor  <mjambor@suse.cz>
 233
 234         PR middle-end/42006
 235         * tree-sra.c (get_replaced_param_substitute): Call create_tmp_var
 236         instead of create_tmp_var.  Set DECL_GIMPLE_REG_P to one manually
 237         for vector and complex types.
 238         (get_adjustment_for_base): Describe return value in the comment.
 239
 240 2009-11-27  Nick Clifton  <nickc@redhat.com>
 241
 242         * longlong.h (count_leading_zeros): Define macro for stormy16
 243         target.
 244         (COUNT_LEADING_ZEROS_0): Likewise.
 245         * config/stormy16/stormy16-lib2.c: Arrange for separate
 246         compilation of each function.
 247         (__ffshi2): New function.
 248         (__stormy16_count_leading_zeros): New function.
 249         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Use stub files to
 250         compile each function into its own object file.
 251         (stormy16-lib2-ashlsi3.c): New stub file.
 252         (stormy16-lib2-ashrsi3.c): New stub file.
 253         (stormy16-lib2-clzhi2.c): New stub file.
 254         (stormy16-lib2-count-leading-zeros.c): New stub file.
 255         (stormy16-lib2-ctzhi2.c): New stub file.
 256         (stormy16-lib2-divsi3.c): New stub file.
 257         (stormy16-lib2-ffshi2.c): New stub file.
 258         (stormy16-lib2-lshrsi3.c): New stub file.
 259         (stormy16-lib2-modsi3.c): New stub file.
 260         (stormy16-lib2-parityhi2.c): New stub file.
 261         (stormy16-lib2-popcounthi2.c): New stub file.
 262         (stormy16-lib2-udivmodsi4.c): New stub file.
 263         (stormy16-lib2-udivsi3.c): New stub file.
 264         (stormy16-lib2-umodsi3.c): New stub file.
 265
 266 2009-11-27  Richard Henderson  <rth@redhat.com>
 267
 268         * config/i386/sse.md (vec_interleave_highv16qi,
 269         vec_interleave_lowv16qi, vec_interleave_highv8hi,
 270         vec_interleave_lowv8hi, vec_interleave_highv4si,
 271         vec_interleave_lowv4si, vec_interleave_highv2di,
 272         vec_interleave_lowv2di, vec_interleave_highv4sf,
 273         vec_interleave_lowv4sf, vec_interleave_highv2df,
 274         vec_interleave_lowv2df): Remove expanders.
 275         (sse_unpcklps, sse_unpckhps, sse2_unpckhpd_exp, sse2_unpcklpd_exp,
 276         sse2_punpckhqdq, sse2_punpcklqdq, sse2_punpckhbw, sse2_punpcklbw,
 277         sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq):
 278         Rename to their proper vec_interleave equivalent.  Update all users
 279         to the new name.
 280         * config/i386/i386.c, config/i386/i386.md: Update all users.
 281
 282 2009-11-27  Michael Matz  <matz@suse.de>
 283
 284         PR rtl-optimization/42084
 285         * cfgexpand.c (maybe_cleanup_end_of_block): Add new parameter,
 286         use it to stop walking.
 287         (expand_gimple_cond): Adjust call to above.
 288
 289 2009-11-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 290
 291         PR target/41810
 292         * gthr-solaris.h (__gthread_mutex_destroy): Remove UNUSED.
 293         [SUPPORTS_WEAK && GTHREAD_USE_WEAK] (__gthread_active_p): Use
 294         __extension__ to allow cast from function pointer to object
 295         pointer in C++.
 296         * doc/install.texi (--enable-threads): Clarify use of Solaris
 297         threads.
 298
 299 2009-11-27  Steven Bosscher  <steven@gcc.gnu.org>
 300
 301         * config/ia64/itanium1.md: Remove.
 302         * config/ia64/ia64.md: Do not include it.
 303         * config/ia64/ia64.c (ia64_handle_option): Remove "itanium",
 304         "itanium1", and "merced" from the processor alias table.
 305         (clocks, add_cycles): Remove global variables.
 306         (ia64_sched_reorder2): Don't set/use them.
 307         (ia64_dfa_new_cycle, ia64_h_i_d_extended, ia64_reorg): Likewise.
 308         (bundling): Likewise. Remove extra pass for MMMUL/MMSHF.
 309
 310 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 311
 312         * config/s390/s390.c (last_scheduled_insn): New variable.
 313         (s390_fpload_toreg, s390_z10_prevent_earlyload_conflicts): New
 314         functions.
 315         (s390_sched_reorder, s390_sched_variable_issue): New functions.
 316         (TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_REORDER): Target hooks
 317         defined.
 318
 319 2009-11-27  Michael Matz  <matz@suse.de>
 320
 321         PR c++/41906
 322         * tree-eh.c (lower_catch): Stop after expanding a catch-all.
 323
 324 2009-11-27  Richard Guenther  <rguenther@suse.de>
 325
 326         * timevar.def (TV_LOOP_MOVE_INVARIANTS, TV_LOOP_UNSWITCH,
 327         TV_LOOP_UNROLL, TV_LOOP_DOLOOP): New timevars.
 328         * loop-init.c (pass_rtl_move_loop_invariants): Use
 329         TV_LOOP_MOVE_INVARIANTS.
 330         (pass_rtl_unswitch): Use TV_LOOP_UNSWITCH.
 331         (pass_rtl_unroll_and_peel): Use TV_LOOP_UNROLL.
 332         (pass_rtl_doloop): Use TV_LOOP_DOLOOP.
 333
 334 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 335
 336         * emit-rtl.c (next_active_insn, prev_active_insn): Correct
 337         comment.
 338
 339 2009-11-27  Jakub Jelinek  <jakub@redhat.com>
 340
 341         * config/i386/i386.c (ix86_emit_restore_sse_regs_using_mov): Remove
 342         unused insn variable.
 343         * genemit.c (output_peephole2_scratches): Only declare and initialize
 344         _regs_allocated if it will be ever used.
 345         * cfgloopmanip.c (create_empty_if_region_on_edge): Remove unused
 346         succ_bb variable.
 347         (create_empty_loop_on_edge): Remove unused freq and cnt variables.
 348         * unwind-c.c (PERSONALITY_FUNCTION): Remove unused action_record
 349         variable.
 350
 351         * opts.c (decode_options): If optimize is bigger than 255,
 352         set it to 255.
 353
 354 2009-11-26  Richard Henderson  <rth@redhat.com>
 355
 356         * config/i386/sse.md (mulv16qi3): Change back from an expander
 357         to an insn-and-split.
 358         (mulv4si): Mention AVX not XOP for AVX exception.
 359         (*sse2_mulv4si3): Likewise.
 360         (mulv2di3): Use vmulld not vpmacsdd for XOP expansion.  Tidy.
 361
 362 2009-11-26  Bernd Schmidt  <bernd.schmidt@analog.com>
 363
 364         * cfgexpand (n_stack_vars_conflict): New static variable.
 365         (triangular_index): Reduce likelyhood of overflow by performing
 366         the division before the multiplication.
 367         (resize_stack_vars_conflict): Call fatal_error if overflow
 368         occurred in triangular_index.  Update n_stack_vars_conflict.
 369
 370         PR rtl-opt/38582
 371         * regrename.c (struct du_chain): Remove member earlyclobber.
 372         (scan_rtx_reg): Don't set it.  Remove argument earlyclobber,
 373         all callers changed.
 374         (scan_rtx): Remove argument earlyclobber, all callers changed.
 375         (hide_operands, restore_operands, record_out_operands): New functions,
 376         broken out of build_def_use.
 377         (build_def_use): Call them as necessary.
 378
 379         * regrename.c (struct du_head): New members id, conflicts,
 380         hard_conflicts and cannot_rename.
 381         (enum scan_actions): Remove terminate_all_read and
 382         terminate_overlapping_read; add mark_all_read.
 383         (scan_actions_name): Likewise.
 384         (du_head_p): New typedef.  Define a vector type for it.
 385         (id_to_chain): New static variable.
 386         (note_sets, clear_dead_regs): Delete functions.
 387         (free_chain_data): New function.
 388         (merge_overlapping_regs): Simply walk the conflicts bitmap.
 389         Remove argument B, all callers changed.
 390         (regrename_optimize): Allocate id_to_chain.  Ignore chains that have
 391         the cannot_rename bit set.  Update regno and nregs of a renamed chain.
 392         Call free_chain_data when done.
 393         (do_replace): Remove death notes when the renamed reg is set in the
 394         last insn; add them if not.
 395         (mark_conflict, note_sets_clobbers): New static function.
 396         (fail_current_block, current_id, open_chains_set, live_hard_regs): New
 397         static variables.
 398         (scan_rtx_reg): Keep track of conflicts between chains, and between
 399         chains and hard regs.  Don't terminate chains when we find a read we
 400         can't handle, mark it unrenameable instead.  For terminate_write,
 401         terminate chains that are written with an exact match or a superset
 402         of registers.  Set fail_current_block if multi-word lifetimes are too
 403         complex to handle.
 404         (scan_rtx_address): Use mark_all_read instead of terminate_all_read.
 405         (build_def_use): Initialize current_id, live_chains and live_hard_regs;
 406         free memory for them when done.
 407         Rearrange the steps so that earlyclobbers are noted before reads
 408         are processed.  Add new steps to keep track of hard register lifetimes
 409         outside insn operands.
 410
 411 2009-11-26  Richard Guenther  <rguenther@suse.de>
 412
 413         * tree-ssa-dce.c (nr_walks): New variable.
 414         (mark_aliased_reaching_defs_necessary): Adjust oracle cut-off.
 415         (perform_tree_ssa_dce): Init nr_walks.
 416
 417 2009-11-26  Michael Matz  <matz@suse.de>
 418
 419         PR tree-optimization/41905
 420         * tree-eh.c (lower_eh_constructs_2): Don't add assignments
 421         below statements that can't fall thru.
 422
 423 2009-11-26  Michael Matz  <matz@suse.de>
 424
 425         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
 426         expand_builtin_sprintf): Remove.
 427         (expand_builtin): Don't call them.
 428
 429 2009-11-26  Richard Guenther  <rguenther@suse.de>
 430
 431         * tree-ssa-dce.c (perform_tree_ssa_dce): Allocate visited bitmap.
 432
 433 2009-11-26  Nick Clifton  <nickc@redhat.com>
 434
 435         * config/rx/rx.c (rx_expand_epilogue): Add checks for sibcalls
 436         being used incorrectly.
 437         (rx_function_ok_for_sibcall): New function.  Do not allow indirect
 438         sibcalls, or sibcalls from interrupt functions.
 439         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
 440         * config/rx/rx.md (sibcall): Convert to a define_expand.  Check
 441         for a MEM inside a MEM.
 442         (sibcall_value): Likewise.
 443         (sibcall_internal): New pattern containing old sibcall pattern.
 444         (sibcall_value_internal): Likewise.
 445
 446 2009-11-25  Richard Henderson  <rth@redhat.com>
 447
 448         * config/i386/i386-builtin-types.awk (DEF_VECTOR_TYPE): Allow an
 449         optional 3rd argument to define the mode.
 450         * config/i386/i386-builtin-types.def (UQI, UHI, USI, UDI): New.
 451         (V2UDI, V4USI, V8UHI, V16UQI): New.
 452         (V4SF_FTYPE_V4SF_V4SF_V4SI, V2UDI_FTYPE_V2UDI_V2UDI_V2UDI,
 453         V4USI_FTYPE_V4USI_V4USI_V4USI, V8UHI_FTYPE_V8UHI_V8UHI_V8UHI,
 454         V16UQI_FTYPE_V16UQI_V16UQI_V16UQI): New.
 455         * config/i386/i386-modes.def: Rearrange for double-wide AVX.
 456         * config/i386/i386-protos.h (ix86_expand_vec_extract_even_odd): New.
 457         * config/i386/i386.c (IX86_BUILTIN_VEC_PERM_*): New.
 458         (bdesc_args): Add the builtin definitions to match.
 459         (ix86_expand_builtin): Expand them.
 460         (ix86_builtin_vectorization_cost): Rename from
 461         x86_builtin_vectorization_cost.
 462         (ix86_vectorize_builtin_vec_perm, struct expand_vec_perm_d,
 463         doublesize_vector_mode, expand_vselect, expand_vselect_vconcat,
 464         expand_vec_perm_blend, expand_vec_perm_vpermil,
 465         expand_vec_perm_pshufb, expand_vec_perm_1,
 466         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_palignr,
 467         expand_vec_perm_interleave2, expand_vec_perm_pshufb2,
 468         expand_vec_perm_even_odd_1, expand_vec_perm_even_odd,
 469         ix86_expand_vec_perm_builtin_1, extract_vec_perm_cst,
 470         ix86_expand_vec_perm_builtin, ix86_vectorize_builtin_vec_perm_ok,
 471         ix86_expand_vec_extract_even_odd, TARGET_VECTORIZE_BUILTIN_VEC_PERM,
 472         TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
 473         * sse.md (SSEMODE_EO): New.
 474         (vec_extract_even<mode>): Use SSEMODE_EO and
 475         ix86_expand_vec_extract_even_odd.
 476         (vec_extract_odd<mode>): Likewise.
 477         (mulv16qi3, vec_pack_trunc_v8hi, vec_pack_trunc_v4si,
 478         vec_pack_trunc_v2di): Use ix86_expand_vec_extract_even_odd.
 479
 480 2009-11-25  Richard Henderson  <rth@redhat.com>
 481
 482         * target.h (targetm.vectorize.builtin_vec_perm_ok): New.
 483         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
 484         * hooks.h, hooks.c (hook_bool_tree_tree_true): New.
 485         * tree-vect-slp.c (vect_create_mask_and_perm): Don't create
 486         the vector constant here...
 487         (vect_transform_slp_perm_load): ... do it here instead.  Validate
 488         that the permutation vector is implementable by the target.
 489
 490 2009-11-25  Jakub Jelinek  <jakub@redhat.com>
 491
 492         * config/rs6000/sysv4.opt (mregnames): Change Var to rs6000_regnames.
 493         * config/rs6000/sysv4.h (TARGET_REGNAMES): Define.
 494
 495         * print-rtl.c (print_rtx): When printing newline, append
 496         print_rtx_head and indentation after the newline.
 497
 498         PR target/42165
 499         * config/i386/i386.c (print_operand): For 32-byte memory use
 500         YMMWORD in -masm=intel mode.  Use TBYTE instead of XWORD.
 501         * config/i386/i386.md (crc32modesuffix): Expand to nothing
 502         in -masm=intel mode.
 503         (sse4_2_crc32di): Print just crc32 instead of crc32q in
 504         -masm=intel mode.
 505         * config/i386/mmx.md (*mmx_pinsrw): Print correct size of
 506         memory operand in -masm=intel mode.
 507         * config/i386/sse.md (*avx_pinsr<ssevecsize>, *sse4_1_pinsrb,
 508         *sse2_pinsrw): Likewise.
 509         (sse_cvtss2siq, sse_cvtss2siq_2, sse_cvttss2siq): Don't print
 510         q suffix in -masm=intel mode.
 511
 512 2009-11-25  Eric Botcazou  <ebotcazou@adacore.com>
 513
 514         PR target/10127
 515         PR ada/20548
 516         PR middle-end/42004
 517         * dwarf2out.c (dwarf2out_args_size_adjust): Rename to...
 518         (dwarf2out_stack_adjust): ...this.  Do not adjust the arg size for
 519         ACCUMULATE_OUTGOING_ARGS targets.  Rename former version to...
 520         (dwarf2out_notice_stack_adjust): ...this.  Adjust for above renaming.
 521         (dwarf2out_frame_debug_expr): Revert previous change and adjust for
 522         above renaming.
 523         (dwarf2out_frame_debug): Add ??? comment.  Adjust for above renaming.
 524
 525 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
 526
 527         * config/i386/predicates.md (emms_operation): New predicate.
 528         (vzeroupper_operation): Ditto.
 529         (vzeroall_operation): Improve pattern recognition.
 530         * config/i386/sse.md (avx_vzeroupper_rex64): Remove insn pattern.
 531         (avx_vzeroupper): Change insn pattern to expander.
 532         (*avx_vzeroupper): New insn pattern.  Use vzeroupper_operation
 533         predicate.
 534         (*avx_vzeroall): Remove operands 1 and 2.
 535         * config/i386/mmx.md (mmx_emms): Change insn pattern to expander.
 536         (mmx_femms): Ditto.
 537         (*mmx_emms): New insn pattern.  Use emms_operation predicate.
 538         (*mmx_femms): Ditto.
 539         * config/i386/i386.c (enum ix86_builtins)
 540         <IX86_BUILTIN_VZEROUPPER_REX64>: Remove.
 541         (struct builtin_description) <CODE_FOR_avx_vzeroupper_rex64>:
 542         Remove initailization.
 543         <CODE_FOR_avx_vzeroupper>: Unconditionally initialize here.
 544
 545 2009-11-25  Paul Brook  <paul@codesourcery.com>
 546
 547         * config/arm/arm.md (consttable_4): Handle (high ...).
 548
 549 2009-11-25  Robert Nelson  <robert.nelson@digikey.com>
 550             Richard Earnshaw  <rearnsha@arm.com>
 551
 552         * arm.h (enum vfp_reg_type): Add VFP_NONE.
 553         * arm.c (all_fpus): Use it for floating point units that aren't based
 554         on the VFP architecture.
 555         (aapcs_vfp_is_call_or_return_candidate): Make base_mode a pointer to
 556         enum machine_mode.
 557
 558 2009-11-25  H.J. Lu  <hongjiu.lu@intel.com>
 559
 560         * alias.c: Remove trailing white spaces.
 561         * alloc-pool.c: Likewise.
 562         * alloc-pool.h: Likewise.
 563         * attribs.c: Likewise.
 564         * auto-inc-dec.c: Likewise.
 565         * basic-block.h: Likewise.
 566         * bb-reorder.c: Likewise.
 567         * bt-load.c: Likewise.
 568         * builtins.c: Likewise.
 569         * builtins.def: Likewise.
 570         * c-common.c: Likewise.
 571         * c-common.h: Likewise.
 572         * c-cppbuiltin.c: Likewise.
 573         * c-decl.c: Likewise.
 574         * c-format.c: Likewise.
 575         * c-lex.c: Likewise.
 576         * c-omp.c: Likewise.
 577         * c-opts.c: Likewise.
 578         * c-parser.c: Likewise.
 579         * c-pretty-print.c: Likewise.
 580         * c-tree.h: Likewise.
 581         * c-typeck.c: Likewise.
 582         * caller-save.c: Likewise.
 583         * calls.c: Likewise.
 584         * cfg.c: Likewise.
 585         * cfganal.c: Likewise.
 586         * cfgexpand.c: Likewise.
 587         * cfghooks.c: Likewise.
 588         * cfghooks.h: Likewise.
 589         * cfglayout.c: Likewise.
 590         * cfgloop.c: Likewise.
 591         * cfgloop.h: Likewise.
 592         * cfgloopmanip.c: Likewise.
 593         * cfgrtl.c: Likewise.
 594         * cgraph.c: Likewise.
 595         * cgraph.h: Likewise.
 596         * cgraphbuild.c: Likewise.
 597         * cgraphunit.c: Likewise.
 598         * cif-code.def: Likewise.
 599         * collect2.c: Likewise.
 600         * combine.c: Likewise.
 601         * convert.c: Likewise.
 602         * coverage.c: Likewise.
 603         * crtstuff.c: Likewise.
 604         * cse.c: Likewise.
 605         * cselib.c: Likewise.
 606         * dbgcnt.c: Likewise.
 607         * dbgcnt.def: Likewise.
 608         * dbgcnt.h: Likewise.
 609         * dbxout.c: Likewise.
 610         * dce.c: Likewise.
 611         * ddg.c: Likewise.
 612         * ddg.h: Likewise.
 613         * defaults.h: Likewise.
 614         * df-byte-scan.c: Likewise.
 615         * df-core.c: Likewise.
 616         * df-problems.c: Likewise.
 617         * df-scan.c: Likewise.
 618         * df.h: Likewise.
 619         * dfp.c: Likewise.
 620         * diagnostic.c: Likewise.
 621         * diagnostic.h: Likewise.
 622         * dominance.c: Likewise.
 623         * domwalk.c: Likewise.
 624         * double-int.c: Likewise.
 625         * double-int.h: Likewise.
 626         * dse.c: Likewise.
 627         * dwarf2asm.c: Likewise.
 628         * dwarf2asm.h: Likewise.
 629         * dwarf2out.c: Likewise.
 630         * ebitmap.c: Likewise.
 631         * ebitmap.h: Likewise.
 632         * emit-rtl.c: Likewise.
 633         * et-forest.c: Likewise.
 634         * except.c: Likewise.
 635         * except.h: Likewise.
 636         * expmed.c: Likewise.
 637         * expr.c: Likewise.
 638         * expr.h: Likewise.
 639         * final.c: Likewise.
 640         * flags.h: Likewise.
 641         * fold-const.c: Likewise.
 642         * function.c: Likewise.
 643         * function.h: Likewise.
 644         * fwprop.c: Likewise.
 645         * gcc.c: Likewise.
 646         * gcov-dump.c: Likewise.
 647         * gcov-io.c: Likewise.
 648         * gcov-io.h: Likewise.
 649         * gcov.c: Likewise.
 650         * gcse.c: Likewise.
 651         * genattr.c: Likewise.
 652         * genattrtab.c: Likewise.
 653         * genautomata.c: Likewise.
 654         * genchecksum.c: Likewise.
 655         * genconfig.c: Likewise.
 656         * genflags.c: Likewise.
 657         * gengtype-parse.c: Likewise.
 658         * gengtype.c: Likewise.
 659         * gengtype.h: Likewise.
 660         * genmddeps.c: Likewise.
 661         * genmodes.c: Likewise.
 662         * genopinit.c: Likewise.
 663         * genpreds.c: Likewise.
 664         * gensupport.c: Likewise.
 665         * ggc-common.c: Likewise.
 666         * ggc-page.c: Likewise.
 667         * ggc-zone.c: Likewise.
 668         * ggc.h: Likewise.
 669         * gimple-iterator.c: Likewise.
 670         * gimple-low.c: Likewise.
 671         * gimple-pretty-print.c: Likewise.
 672         * gimple.c: Likewise.
 673         * gimple.def: Likewise.
 674         * gimple.h: Likewise.
 675         * gimplify.c: Likewise.
 676         * graphds.c: Likewise.
 677         * graphite-clast-to-gimple.c: Likewise.
 678         * gthr-nks.h: Likewise.
 679         * gthr-posix.c: Likewise.
 680         * gthr-posix.h: Likewise.
 681         * gthr-posix95.h: Likewise.
 682         * gthr-single.h: Likewise.
 683         * gthr-tpf.h: Likewise.
 684         * gthr-vxworks.h: Likewise.
 685         * gthr.h: Likewise.
 686         * haifa-sched.c: Likewise.
 687         * hard-reg-set.h: Likewise.
 688         * hooks.c: Likewise.
 689         * hooks.h: Likewise.
 690         * hosthooks.h: Likewise.
 691         * hwint.h: Likewise.
 692         * ifcvt.c: Likewise.
 693         * incpath.c: Likewise.
 694         * init-regs.c: Likewise.
 695         * integrate.c: Likewise.
 696         * ipa-cp.c: Likewise.
 697         * ipa-inline.c: Likewise.
 698         * ipa-prop.c: Likewise.
 699         * ipa-pure-const.c: Likewise.
 700         * ipa-reference.c: Likewise.
 701         * ipa-struct-reorg.c: Likewise.
 702         * ipa-struct-reorg.h: Likewise.
 703         * ipa-type-escape.c: Likewise.
 704         * ipa-type-escape.h: Likewise.
 705         * ipa-utils.c: Likewise.
 706         * ipa-utils.h: Likewise.
 707         * ipa.c: Likewise.
 708         * ira-build.c: Likewise.
 709         * ira-color.c: Likewise.
 710         * ira-conflicts.c: Likewise.
 711         * ira-costs.c: Likewise.
 712         * ira-emit.c: Likewise.
 713         * ira-int.h: Likewise.
 714         * ira-lives.c: Likewise.
 715         * ira.c: Likewise.
 716         * jump.c: Likewise.
 717         * lambda-code.c: Likewise.
 718         * lambda-mat.c: Likewise.
 719         * lambda-trans.c: Likewise.
 720         * lambda.h: Likewise.
 721         * langhooks.c: Likewise.
 722         * lcm.c: Likewise.
 723         * libgcov.c: Likewise.
 724         * lists.c: Likewise.
 725         * loop-doloop.c: Likewise.
 726         * loop-init.c: Likewise.
 727         * loop-invariant.c: Likewise.
 728         * loop-iv.c: Likewise.
 729         * loop-unroll.c: Likewise.
 730         * lower-subreg.c: Likewise.
 731         * lto-cgraph.c: Likewise.
 732         * lto-compress.c: Likewise.
 733         * lto-opts.c: Likewise.
 734         * lto-section-in.c: Likewise.
 735         * lto-section-out.c: Likewise.
 736         * lto-streamer-in.c: Likewise.
 737         * lto-streamer-out.c: Likewise.
 738         * lto-streamer.c: Likewise.
 739         * lto-streamer.h: Likewise.
 740         * lto-symtab.c: Likewise.
 741         * lto-wpa-fixup.c: Likewise.
 742         * matrix-reorg.c: Likewise.
 743         * mcf.c: Likewise.
 744         * mode-switching.c: Likewise.
 745         * modulo-sched.c: Likewise.
 746         * omega.c: Likewise.
 747         * omega.h: Likewise.
 748         * omp-low.c: Likewise.
 749         * optabs.c: Likewise.
 750         * optabs.h: Likewise.
 751         * opts-common.c: Likewise.
 752         * opts.c: Likewise.
 753         * params.def: Likewise.
 754         * params.h: Likewise.
 755         * passes.c: Likewise.
 756         * plugin.c: Likewise.
 757         * postreload-gcse.c: Likewise.
 758         * postreload.c: Likewise.
 759         * predict.c: Likewise.
 760         * predict.def: Likewise.
 761         * pretty-print.c: Likewise.
 762         * pretty-print.h: Likewise.
 763         * print-rtl.c: Likewise.
 764         * print-tree.c: Likewise.
 765         * profile.c: Likewise.
 766         * read-rtl.c: Likewise.
 767         * real.c: Likewise.
 768         * recog.c: Likewise.
 769         * reg-stack.c: Likewise.
 770         * regcprop.c: Likewise.
 771         * reginfo.c: Likewise.
 772         * regmove.c: Likewise.
 773         * regrename.c: Likewise.
 774         * regs.h: Likewise.
 775         * regstat.c: Likewise.
 776         * reload.c: Likewise.
 777         * reload1.c: Likewise.
 778         * resource.c: Likewise.
 779         * rtl.c: Likewise.
 780         * rtl.def: Likewise.
 781         * rtl.h: Likewise.
 782         * rtlanal.c: Likewise.
 783         * sbitmap.c: Likewise.
 784         * sched-deps.c: Likewise.
 785         * sched-ebb.c: Likewise.
 786         * sched-int.h: Likewise.
 787         * sched-rgn.c: Likewise.
 788         * sched-vis.c: Likewise.
 789         * sdbout.c: Likewise.
 790         * sel-sched-dump.c: Likewise.
 791         * sel-sched-dump.h: Likewise.
 792         * sel-sched-ir.c: Likewise.
 793         * sel-sched-ir.h: Likewise.
 794         * sel-sched.c: Likewise.
 795         * sel-sched.h: Likewise.
 796         * sese.c: Likewise.
 797         * sese.h: Likewise.
 798         * simplify-rtx.c: Likewise.
 799         * stack-ptr-mod.c: Likewise.
 800         * stmt.c: Likewise.
 801         * stor-layout.c: Likewise.
 802         * store-motion.c: Likewise.
 803         * stringpool.c: Likewise.
 804         * stub-objc.c: Likewise.
 805         * sync-builtins.def: Likewise.
 806         * target-def.h: Likewise.
 807         * target.h: Likewise.
 808         * targhooks.c: Likewise.
 809         * targhooks.h: Likewise.
 810         * timevar.c: Likewise.
 811         * tlink.c: Likewise.
 812         * toplev.c: Likewise.
 813         * toplev.h: Likewise.
 814         * tracer.c: Likewise.
 815         * tree-affine.c: Likewise.
 816         * tree-affine.h: Likewise.
 817         * tree-browser.def: Likewise.
 818         * tree-call-cdce.c: Likewise.
 819         * tree-cfg.c: Likewise.
 820         * tree-cfgcleanup.c: Likewise.
 821         * tree-chrec.c: Likewise.
 822         * tree-chrec.h: Likewise.
 823         * tree-complex.c: Likewise.
 824         * tree-data-ref.c: Likewise.
 825         * tree-data-ref.h: Likewise.
 826         * tree-dfa.c: Likewise.
 827         * tree-dump.c: Likewise.
 828         * tree-dump.h: Likewise.
 829         * tree-eh.c: Likewise.
 830         * tree-flow-inline.h: Likewise.
 831         * tree-flow.h: Likewise.
 832         * tree-if-conv.c: Likewise.
 833         * tree-inline.c: Likewise.
 834         * tree-into-ssa.c: Likewise.
 835         * tree-loop-distribution.c: Likewise.
 836         * tree-loop-linear.c: Likewise.
 837         * tree-mudflap.c: Likewise.
 838         * tree-nested.c: Likewise.
 839         * tree-nomudflap.c: Likewise.
 840         * tree-nrv.c: Likewise.
 841         * tree-object-size.c: Likewise.
 842         * tree-optimize.c: Likewise.
 843         * tree-outof-ssa.c: Likewise.
 844         * tree-parloops.c: Likewise.
 845         * tree-pass.h: Likewise.
 846         * tree-phinodes.c: Likewise.
 847         * tree-predcom.c: Likewise.
 848         * tree-pretty-print.c: Likewise.
 849         * tree-profile.c: Likewise.
 850         * tree-scalar-evolution.c: Likewise.
 851         * tree-ssa-address.c: Likewise.
 852         * tree-ssa-alias.c: Likewise.
 853         * tree-ssa-ccp.c: Likewise.
 854         * tree-ssa-coalesce.c: Likewise.
 855         * tree-ssa-copy.c: Likewise.
 856         * tree-ssa-copyrename.c: Likewise.
 857         * tree-ssa-dce.c: Likewise.
 858         * tree-ssa-dom.c: Likewise.
 859         * tree-ssa-dse.c: Likewise.
 860         * tree-ssa-forwprop.c: Likewise.
 861         * tree-ssa-ifcombine.c: Likewise.
 862         * tree-ssa-live.c: Likewise.
 863         * tree-ssa-live.h: Likewise.
 864         * tree-ssa-loop-ch.c: Likewise.
 865         * tree-ssa-loop-im.c: Likewise.
 866         * tree-ssa-loop-ivcanon.c: Likewise.
 867         * tree-ssa-loop-ivopts.c: Likewise.
 868         * tree-ssa-loop-manip.c: Likewise.
 869         * tree-ssa-loop-niter.c: Likewise.
 870         * tree-ssa-loop-prefetch.c: Likewise.
 871         * tree-ssa-loop-unswitch.c: Likewise.
 872         * tree-ssa-loop.c: Likewise.
 873         * tree-ssa-math-opts.c: Likewise.
 874         * tree-ssa-operands.c: Likewise.
 875         * tree-ssa-operands.h: Likewise.
 876         * tree-ssa-phiopt.c: Likewise.
 877         * tree-ssa-phiprop.c: Likewise.
 878         * tree-ssa-pre.c: Likewise.
 879         * tree-ssa-propagate.c: Likewise.
 880         * tree-ssa-reassoc.c: Likewise.
 881         * tree-ssa-sccvn.c: Likewise.
 882         * tree-ssa-sink.c: Likewise.
 883         * tree-ssa-structalias.c: Likewise.
 884         * tree-ssa-ter.c: Likewise.
 885         * tree-ssa-threadedge.c: Likewise.
 886         * tree-ssa-threadupdate.c: Likewise.
 887         * tree-ssa-uncprop.c: Likewise.
 888         * tree-ssa.c: Likewise.
 889         * tree-ssanames.c: Likewise.
 890         * tree-switch-conversion.c: Likewise.
 891         * tree-tailcall.c: Likewise.
 892         * tree-vect-data-refs.c: Likewise.
 893         * tree-vect-generic.c: Likewise.
 894         * tree-vect-loop-manip.c: Likewise.
 895         * tree-vect-loop.c: Likewise.
 896         * tree-vect-patterns.c: Likewise.
 897         * tree-vect-slp.c: Likewise.
 898         * tree-vect-stmts.c: Likewise.
 899         * tree-vectorizer.c: Likewise.
 900         * tree-vectorizer.h: Likewise.
 901         * tree-vrp.c: Likewise.
 902         * tree.c: Likewise.
 903         * tree.def: Likewise.
 904         * tree.h: Likewise.
 905         * treestruct.def: Likewise.
 906         * unwind-compat.c: Likewise.
 907         * unwind-dw2-fde-glibc.c: Likewise.
 908         * unwind-dw2.c: Likewise.
 909         * value-prof.c: Likewise.
 910         * value-prof.h: Likewise.
 911         * var-tracking.c: Likewise.
 912         * varasm.c: Likewise.
 913         * varpool.c: Likewise.
 914         * vec.c: Likewise.
 915         * vec.h: Likewise.
 916         * vmsdbgout.c: Likewise.
 917         * web.c: Likewise.
 918         * xcoffout.c: Likewise.
 919
 920 2009-11-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 921
 922         * pa.c (output_call): Only use sr4 for long interspace calls if
 923         call binds local and generating non PIC code.
 924         (attr_length_call): Adjust length calculation for above.
 925
 926 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
 927
 928         * config/i386/i386.md (plusminus_carry_mnemonic): New code attribute.
 929         (add<mode>3_carry): Change operand order of plus RTX.
 930         (*add<mode>3_carry): Ditto.
 931         (*addsi3_carry_zext): Ditto.
 932         (*add<dwi>3_doubleword): Update for changed operand order.
 933         (*negti2_1 splitter): Ditto.
 934         (*negdi2_1 splitter): Ditto.
 935         (<plusminus_insn><mode>3_carry): Macroize expander from
 936         {add,sub}<mode>3_carry patterns using plusminus code iterator.
 937         (*<plusminus_insn><mode>3_carry): Macroize insn from
 938         *{add,sub}<mode>3_carry patetrns using plusminus code iterator.
 939         (neg<mode>2): Macroize expander from neg{qi,hi,si,di,ti}2
 940         patterns using SDWIM mode iterator.
 941         (*neg<dwi>2_doubleword): New insn_and_split pattern.  Macroize
 942         pattern from *neg{di,ti}2_1 patterns and corresponding splitters
 943         using DWIH mode iterator.
 944         (*neg<mode>2_1): Macroize insn from neg{qi,hi,si,di}2_1 patterns
 945         using SWI mode iterator.
 946         (*neg<mode>2_cmpz): Ditto from neg{qi,hi,si,di}2_cmpz patterns.
 947         (one_cmpl<mode>2): Macroize expander from one_cmpl{qi,hi,si,di}2
 948         patterns using SWIM mode iterator.
 949         (*one_cmpl<mode>2_1): Macroize insn from one_cmpl{hi,si,di}2_1
 950         patterns using SWI248 mode iterator.
 951         (*one_cmpl<mode>2_2): Macroize insn from one_cmpl{qi,hi,si,di}2_2
 952         patterns using SWI mode iterator.
 953         (*one_cmpl<mode>2_2 splitter): Macroize splitter from
 954         one_cmpl{qi,hi,si,di}2_2 splitter patterns using SWI mode iterator.
 955
 956 2009-11-24  Michael Matz  <matz@suse.de>
 957
 958         * expr.c (set_storage_via_libcall): Fix build_call_expr call.
 959
 960 2009-11-24  David Binderman  <dcb314@hotmail.com>
 961
 962         * expr.c (store_field): Remove set but not used local variable
 963         width_mask.
 964         (expand_expr_real_2): Remove treeop2.
 965         * gcse.c (update_ld_motion_stores): Remove new_rtx.
 966         * haifa-sched.c (max_issue): Remove points.
 967         (sched_create_recovery_edges): Remove e.
 968         * ira-costs.c (setup_allocno_cover_class_and_costs): Remove mode.
 969
 970 2009-11-24  Nick Clifton  <nickc@redhat.com>
 971
 972         * config/v850/v850.c (function_arg): Fix handling of zero-length
 973         function arguments.
 974
 975 2009-11-24  Michael Matz  <matz@suse.de>
 976
 977         * tree.h (union tree_ann_d): Don't declare.
 978         (tree_base): Remove ann field.
 979         (struct var_ann_d): Declare forward.
 980         (tree_result_decl, tree_parm_decl, tree_var_decl): Add ann field.
 981         (DECL_VAR_ANN_PTR): New macro.
 982         * tree-dfa.c (create_var_ann): Rewrite in terms of above macro,
 983         accept only VAR, PARM or RESULT decls.
 984         (create_tree_common_ann): Remove.
 985         (remove_referenced_var): Use DECL_VAR_ANN_PTR.
 986         * tree-eh.c (lookup_expr_eh_lp): Remove.
 987         * tree-flow-inline.h (var_ann, get_var_ann): Rewrite in terms of
 988         DECL_VAR_ANN_PTR.
 989         (ann_type, tree_common_ann, get_tree_common_ann): Remove.
 990         * tree-flow.h (enum tree_ann_type): Remove.
 991         (struct tree_ann_common_d): Remove.
 992         (struct var_ann_d): Remove common field.
 993         (union tree_ann_d): Remove.
 994         (tree_ann_t, tree_ann_common_t): Remove typedefs.
 995         (tree_common_ann, get_tree_common_ann, ann_type,
 996         create_tree_common_ann, lookup_expr_eh_lp): Don't declare.
 997         * tree-ssa.c (delete_tree_ssa): Use DECL_VAR_ANN_PTR.
 998         * tree.c (copy_node_stat): Use DECL_VAR_ANN_PTR.
 999         * builtins.c (expand_builtin_memcpy): Use
1000         currently_expanding_gimple_stmt instead of tree annotation.
1001         (expand_builtin_memset_args): Ditto.
1002         * cfgexpand.c (currently_expanding_gimple_stmt): Add global variable.
1003         (expand_call_stmt): Don't set tree annotation.
1004         (expand_gimple_basic_block): Set currently_expanding_gimple_stmt.
1005         * expr.c (expand_expr_real): Don't call lookup_expr_eh_lp.
1006         * gimple.h (currently_expanding_gimple_stmt): Declare.
1007
1008 2009-11-24  Paolo Carlini  <paolo.carlini@oracle.com>
1009
1010         * dwarf2out.c (add_location_or_const_value_attribute): Remove
1011         useless NOTE_VAR_LOCATION_STATUS call.
1012         * cfgrtl.c (commit_one_edge_insertion): Remove useless loop, tidy.
1013
1014 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1015
1016         * lto-wrapper.c (lto_wrapper_exit): Don't try to delete files if
1017         being called recursively.
1018
1019 2009-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
1020
1021         * Makefile.in (PLUGIN_HEADERS): Added files: cppdefault.h flags.h
1022         $(MD5_H) params.def params.h prefix.h tree-inline.h.
1023
1024 2009-11-24  Paul Brook  <paul@codesourcery.com>
1025
1026         * gcc/config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Fix comment
1027         typo.
1028
1029 2009-11-24  Julian Brown  <julian@codesourcery.com>
1030             Paul Brook  <paul@codesourcery.com>
1031
1032         * config/arm/arm.c (TARGET_DWARF_REGISTER_SPAN): Define.
1033         (arm_dwarf_register_span): New function.
1034         (arm_dbx_register_number): Add VFPv3 dwarf numbering.
1035
1036 2009-11-24  David Binderman  <dcb314@hotmail.com>
1037
1038         * cfgrtl.c (commit_one_edge_insertion): Remove set but not used
1039         local variable bb_note.
1040         * dominance.c (get_dominated_by): Likewise local var n.
1041         (output_file_names): Likewise local var idx.
1042         (add_location_or_const_value_attribute): Likewise local var status.
1043         * dwarf2out.c (gen_variable_die): Likewise local var field.
1044         * emit-rtl.c (no_line_numbers): Remove.
1045         (init_emit_once): Remove line_numbers parameter.
1046         * rtl.h (init_emit_once): Adjust prototype.
1047         * toplev.c (backend_init): Adjust init_emit_once call.
1048
1049 2009-11-24  Richard Guenther  <rguenther@suse.de>
1050
1051         PR tree-optimization/42142
1052         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
1053         Handle iv-dependent (non-)kills properly.
1054         (mark_aliased_reaching_defs_necessary): Pass the basic-block
1055         of the reference statement to mark_aliased_reaching_defs_necessary_1.
1056
1057 2009-11-24  Martin Jambor  <mjambor@suse.cz>
1058
1059         PR tree-optimization/42154
1060         * tree-sra.c (struct access): Added comments.
1061         (sra_modify_expr): Build references to the old aggregate with
1062         build_ref_for_offset instead of reusing access->expr.
1063         (load_assign_lhs_subreplacements): Likewise.
1064
1065 2009-11-24  Uros Bizjak  <ubizjak@gmail.com>
1066
1067         * config/i386/i386.md (add<mode>3_carry): Change insn pattern
1068         to expander.
1069         (sub<mode>3_carry): Ditto.
1070         (x86_mov<mode>cc_0_m1): Ditto.
1071         (*add<mode>3_carry): New insn pattern.  Use VOIDmode match_operator
1072         for ix86_carry_flag_operator operator predicate.
1073         (*sub<mode>3_carry): Ditto.
1074         (*x86_mov<mode>cc_0_m1): Ditto.
1075         (*addsi3_carry_zext): Use VOIDmode match_operator for
1076         ix86_carry_flag_operator operator predicate.
1077         (*subsi3_carry_zext): Ditto.
1078         (*x86_mov<mode>cc_0_m1_s): Ditto.
1079         (*x86_mov<mode>cc_0_m1_neg): Ditto.
1080         * config/i386/predocates.md (ix86_carry_flag_operator): Do not
1081         check operator sub-expressions for FLAGS_REG and const0_rtx.
1082         * config/i386/i386.c (*ix86_gen_sub3_carry): Update prototype.
1083         (ix86_expand_int_movcc): Update calls to gen_x86_mov{si,di}cc_0_m1.
1084         (ix86_expand_int_addcc): Update calls to
1085         gen_{add,sub}{qi,hi,si,di}3_carry.  Do not set mode of compare_op.
1086         (ix86_expand_strlensi_unroll_1): Update calls to ix86_gen_sub3_carry.
1087         Do not set mode of compare operation.
1088
1089 2009-11-23  Jan Hubicka  <jh@suse.cz>
1090
1091         PR middle-end/42151
1092         * ipa-inline.c (inline_transform): Avoid ICE when transform is called
1093         twice.
1094
1095 2009-11-23  Jan Hubicka  <jh@suse.cz>
1096
1097         * ipa-cp.c (ipcp_compute_node_scale): Work around completely
1098         wrong profile updates.
1099         * predict.c (counts_to_freqs): Be expected for ENTRY/EXIT block
1100         having largest frequency.
1101         * ira-live.c (ira_implicitly_set_insn_hard_regs): Silecne
1102         used uninitalized warning.
1103         * tree-optimize.c (execute_fixup_cfg): Rescale entry and exit block
1104         frequencies.
1105
1106 2009-11-23  Uros Bizjak  <ubizjak@gmail.com>
1107
1108         * config/alpha/alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead
1109         of gen_rtx_REG to generate operand 5.
1110         (*cmp_ssub_sidi): Ditto.
1111
1112 2009-11-23  Richard Henderson  <rth@redhat.com>
1113
1114         * config/i386/i386.c (avx_vpermilp_parallel): Fix sign compare
1115         mismatch.
1116
1117 2009-11-23  Paul Brook  <paul@codesourcery.com>
1118
1119         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Add special
1120         case for noreturn functions.
1121         (arm_compute_save_reg_mask): Remove special noreturn handling.
1122
1123 2009-11-23  Richard Guenther  <rguenther@suse.de>
1124
1125         * tree-dfa.c (get_ref_base_and_extent): Adjust maximum access
1126         size for DECL bases.
1127
1128 2009-11-22  Richard Henderson  <rth@redhat.com>
1129
1130         * i386.c (avx_vpermilp_parallel): New function.
1131         * i386-protos.h: Declare it.
1132         * predicates.md (avx_vpermilp_v8sf_operand, avx_vpermilp_v4df_operand,
1133         avx_vpermilp_v4sf_operand, avx_vpermilp_v2df_operand): New.
1134         * sse.md (AVXMODEFDP, AVXMODEFSP): New iterators.
1135         (ssescalarnum, ssedoublesizemode): Add AVX modes.
1136         (vpermilbits): Remove.
1137         (avx_vpermil<mode>): Change insns to expanders.
1138         (*avx_vpermil<mode>): New.  Use vec_select.
1139
1140 2009-11-22  Richard Earnshaw  <rearnsha@arm.com>
1141
1142         * opts.c (decode_options): Don't enable flag_schedule_insns
1143         when optimizing for size.
1144         * doc/invoke.texi: Document change.
1145
1146 2009-11-22  Uros Bizjak  <ubizjak@gmail.com>
1147
1148         PR target/42113
1149         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1150         of scratch register to SImode.
1151         (*cmp_sadd_sidi): Ditto.
1152         (*cmp_ssub_si): Ditto.
1153         (*cmp_ssub_sidi): Ditto.
1154
1155 2009-11-21  Ian Lance Taylor  <iant@google.com>
1156
1157         * Makefile.in (HOST_LIBS): Move higher in file.
1158         (LINKER, LINKER_FLAGS): If ENABLE_BUILD_WITH_CXX, but $(HOST_LIBS)
1159         is not empty, set to $(CC) and $(CFLAGS).
1160
1161 2009-11-22  Martin Jambor  <mjambor@suse.cz>
1162
1163         * tree-cfg.c (verify_types_in_gimple_reference): Error out on
1164         V_C_E of an SSA_NAME or an invariant if lvalue is required.
1165         (verify_gimple_call): Verify LHS also with with
1166         verify_types_in_gimple_reference.
1167
1168 2009-11-21  Martin Jambor  <mjambor@suse.cz>
1169
1170         PR middle-end/42025
1171         * tree-sra.c (access_precludes_ipa_sra_p): New function.
1172         (splice_param_accesses): Check all accesses by calling
1173         access_precludes_ipa_sra_p.
1174         (sra_ipa_modify_expr): Rename argument erite to dont_convert and do
1175         not convert types if it is true.
1176         (sra_ipa_modify_assign): Convert types in case of mismatch.
1177
1178 2009-11-21  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1179
1180         * config/sh/sh.md (cmpeqsi_t-1): Use logical_operand predicate
1181         for operand 1.
1182
1183 2009-11-21  Adam Nemet  <adambnemet@gmail.com>
1184
1185         * config/mips/mips-protos.h (mulsidi3_gen_fn): New typedef.
1186         (mips_mulsidi3_gen_fn): Declare new function.
1187         * config/mips/mips.c (mips_mulsidi3_gen_fn): New function.
1188         * config/mips/mips.md (<u>mulsidi3): Change condition to use
1189         mips_mulsidi3_gen_fn.  Use mips_mulsidi3_gen_fn to generate the insn.
1190         (<u>mulsidi3_64bit): Don't match for ISA_HAS_DMUL3.
1191         (mulsidi3_64bit_dmul): New define_insn.
1192
1193 2009-11-21  Ben Elliston  <bje@au.ibm.com>
1194
1195         * gengtype-lex.l: Enable noinput flex option.
1196         (YY_NO_INPUT): Remove define.
1197
1198 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
1199
1200         * tree-ssa.c (find_released_ssa_name): Handle NULL wi.
1201         (insert_debug_temp_for_var_def): Handle degenerate PHI nodes.
1202         (insert_debug_temps_for_defs): Handle PHI nodes.
1203         * tree-ssa-dom.c (degenerate_phi_result): Don't crash on released
1204         SSA names.
1205
1206 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
1207
1208         * tree-ssa-pre.c (remove_dead_inserted_code): Don't release_defs
1209         after remove_phi_node.
1210
1211 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
1212
1213         PR tree-optimization/42078
1214         * gimple.h (gimple_replace_lhs): New declaration.
1215         * gimple.c (gimple_replace_lhs): New function.
1216         * tree-ssa-math-opts.c (execute_cse_reciprocals): Call it before
1217         modifying the call.
1218
1219 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1220
1221         * config/i386/sse.md (*xop_pmacsdql_mem): Don't call reg_mentioned_p.
1222         (xop_mulv2div2di3_low): Same.
1223         (*xop_pmacsdqh_mem): Same.
1224
1225 2009-11-20  Richard Henderson  <rth@redhat.com>
1226
1227         * config/i386/i386-builtin-types.awk: New file.
1228         * config/i386/i386-builtin-types.def: New file.
1229         * config/i386/t-i386: Use them to build i386-builtin-types.inc.
1230         * config/i386/i386.c: Include it.
1231         (ix86_builtin_type_tab, ix86_get_builtin_type): New.
1232         (ix86_builtin_func_type_tab, ix86_get_builtin_func_type): New.
1233         (struct builtin_isa): Remove GTY marker.  Replace tree type with
1234         ix86_builtin_func_type; add set_and_not_built_p.
1235         (def_builtin): Change type parameter to tcode; use
1236         ix86_get_builtin_func_type; update all callers.  Accept zero mask
1237         to mean the builtin is unconditionally available.
1238         (ix86_add_new_builtins): Use set_and_not_built_p instead of type
1239         being set to NULL.
1240         (enum ix86_special_builtin_type, enum ix86_builtin_type): Remove.
1241         Update some users to rationalized enumeration codes from new include.
1242         (enum multi_arg_type): Remove.  Replace all enumeration values
1243         with defines to new ix86_builtin_func_type.
1244         (ix86_init_mmx_sse_builtins): Don't build any types here.  Defer
1245         all type resolution to def_builtin.
1246         (ix86_init_builtin_types): Split out from ...
1247         (ix86_init_builtins): ... here.  Use ix86_get_builtin_func_type.
1248
1249 2009-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
1250
1251         PR target/41787
1252         * config/rs6000/rs6000.c (struct machine_function): Revert
1253         2009-10-23 change to set VRSAVE to non-0 if we use VSX.
1254         (rs6000_expand_to_rtl_hook): Ditto.
1255         (rs6000_check_vector_mode): Ditto.
1256         (compute_vrsave_mask): Ditto.
1257
1258 2009-11-20  Paul Brook  <paul@codesourcery.com>
1259
1260         * doc/invoke.texi: Document ARM -mcpu=cortex-a5.
1261         * config/arm/arm-cores.def: Add cortex-a5.
1262         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a5.
1263         * config/arm/arm-tune.md: Regenerate.
1264
1265 2009-11-20 Olga Golovanevsky <olga@il.ibm.com>
1266
1267         PR middle-end/39960
1268         * ipa-struct-reorg.c (find_pos_in_stmt): New parameter.
1269         (ref_pos): New field in structure.
1270         (insert_new_var_in_stmt): New function.
1271
1272
1273 2009-11-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1274
1275         * config.gcc (alpha*-dec-osf[45]*): Set use_gcc_stdint.
1276         * config/alpha/osf.h (SIG_ATOMIC_TYPE): Define.
1277         (INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE): Define.
1278         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
1279         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1280         INT_LEAST64_TYPE): Define.
1281         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
1282         UINT_LEAST64_TYPE): Define.
1283         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
1284         INT_FAST64_TYPE): Define.
1285         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1286         UINT_FAST64_TYPE): Define.
1287         (INTPTR_TYPE, UINTPTR_TYPE): Define.
1288
1289 2009-11-20  Julian Brown  <julian@codesourcery.com>
1290
1291         * config/arm/arm.h (ASM_OUTPUT_REG_PUSH): Handle STATIC_CHAIN_REGNUM
1292         specially for Thumb-1.
1293         (ASM_OUTPUT_REG_POP): Likewise.
1294
1295 2009-11-19  Jason Merrill  <jason@redhat.com>
1296
1297         * dwarf2out.c (get_context_die): Take TYPE_MAIN_VARIANT.
1298
1299 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
1300             Rafael Avila de Espindola  <espindola@google.com>
1301
1302         * doc/plugins.texi (Plugin initialization): Added advices for
1303         retrieving the version of GCC at plugin compilation and loading times.
1304
1305 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
1306
1307         * plugin.c (FMT_FOR_PLUGIN_EVENT): added definition.
1308         (dump_active_plugins): output to file everything. Use
1309         internationalized dump & FMT_FOR_PLUGIN_EVENT.
1310
1311 2009-11-19  Richard Guenther  <rguenther@suse.de>
1312
1313         * gimple.c (canonicalize_cond_expr_cond): Strip conversions
1314         around truth-valued expressions.
1315         * tree.c (free_lang_data): Untangle check for LTO frontend.
1316
1317 2009-11-19  Jakub Jelinek  <jakub@redhat.com>
1318
1319         * tree.c (need_assembler_name_p): Use cgraph_get_node instead
1320         of cgraph_node_for_decl.
1321         * cgraph.h (cgraph_node_for_decl): Remove prototype.
1322         * cgraph.c (cgraph_node_for_decl): Remove.
1323         (cgraph_get_node): Just return NULL if !cgraph_hash.
1324
1325 2009-11-19  Paul Brook  <paul@codesourcery.com>
1326
1327         * config.gcc: Add new ARM --with-fpu options.
1328         * doc/invoke.texi: Docuent ARM -mfpu=fpv4-sp-d16.
1329         * config/arm/arm.c (all_fpus): Add fpv4-sp-d16.
1330
1331 2009-11-18  Richard Guenther  <rguenther@suse.de>
1332
1333         * gimple.h (union gimple_statement_d): Add gsmembase member.
1334         (gimple_vuse_op): Use gsmembase for access.
1335         (gimple_vdef_op): Likewise.
1336         (gimple_vuse): Likewise.
1337         (gimple_vdef): Likewise.
1338         (gimple_vuse_ptr): Likewise.
1339         (gimple_vdef_ptr): Likewise.
1340         (gimple_set_vuse): Likewise.
1341         (gimple_set_vdef): Likewise.
1342         * gsstruct.def (GSS_WITH_MEM_OPS_BASE): Add.
1343
1344 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
1345
1346         * doc/arm-neon-intrinsics.texi: Regenerated.
1347
1348 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
1349
1350         * config/arm/neon-docgen.ml (analyze_shape_elt): Handle alternatives.
1351
1352 2009-11-18  Paul Brook  <paul@codesourcery.com>
1353             Daniel Jacobowitz  <dan@codesourcery.com>
1354
1355         * config/arm/arm.c (FL_ARCH7EM, FL_FOR_ARCH7EM): Define.
1356         (arm_arch7em): New variable.
1357         (all_architectures): Add armv7e-m.
1358         (arm_override_options): Set arm_arch7em.
1359         * config/arm/arm.h (TARGET_DSP_MULTIPLY, TARGET_INT_SIMD):
1360         Include arm_arch7em.
1361         (arm_arch7em): Declare.
1362
1363 2009-11-18  Richard Guenther  <rguenther@suse.de>
1364
1365         * lto-streamer-in.c (input_gimple_stmt): Assert that we find
1366         a valid field decl if checking is enabled.
1367
1368 2009-11-18  Martin Jambor  <mjambor@suse.cz>
1369
1370         * ipa-prop.h (struct ipa_param_call_note): New field lto_stmt_uid.
1371         (lto_ipa_fixup_call_notes): Declare.
1372         * ipa-prop.c (ipa_note_param_call): Store gimple uid.
1373         (update_call_notes_after_inlining): Copy call stmt uid to the new
1374         edge.
1375         (ipa_write_param_call_note): New function.
1376         (ipa_read_param_call_note): New function
1377         (ipa_write_node_info): Write also param call notes.  Removed a bogus
1378         comment, reformatted to fit 80 columns.
1379         (ipa_read_node_info): Read also param call notes. Removed a bogus
1380         comment.  Remove ipa_edge_args_vector growth.
1381         (lto_ipa_fixup_call_notes): New function.
1382         * ipa-cp.c (pass_ipa_cp): Add stmt_fixup hook.
1383         * ipa-inline.c (cgraph_mark_inline_edge): Perform indirect
1384         inlining regardless of flag_wpa.
1385         (cgraph_decide_inlining_of_small_functions): Likewise.
1386         (cgraph_decide_inlining): Likewise.
1387         (inline_read_summary): Likewise.
1388
1389 2009-11-18  Jan Hubicka  <jh@suse.cz>
1390
1391         * predict.c (compute_function_frequency): Export.
1392         * predict.h (compute_function_frequency): Declare.
1393         * tree-optimize.c (execute_fixup_cfg): Rescale frequencies.
1394
1395 2009-11-18  Martin Jambor  <mjambor@suse.cz>
1396
1397         * passes.c (ipa_write_summaries): Call renumber_gimple_stmt_uids
1398         on all nodes we write summaries for.
1399
1400 2009-11-18  Shujing Zhao  <pearly.zhao@oracle.com>
1401
1402         PR middle-end/22201
1403         * params.def (PARAM_INLINE_UNIT_GROWTH, PARAM_IPCP_UNIT_GROWTH)
1404         (PARAM_EARLY_INLINING_INSNS, PARAM_IRA_MAX_LOOPS_NUM)
1405         (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
1406         (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP)
1407         (PARAM_MIN_INSN_TO_PREFETCH_RATIO)
1408         (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
1409         (PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Uppercase the first letter of the
1410         description string.
1411
1412 2009-11-18  Jakub Jelinek  <jakub@redhat.com>
1413
1414         * dwarf2out.c (loc_list_from_tree): Don't call rtl_for_decl_location
1415         unnecessarily.
1416         (rtl_for_decl_location): Try harder to get a rtl for TREE_STATIC vars.
1417
1418         PR c++/3187
1419         * cgraph.h (struct cgraph_node): Add same_body and same_body_alias
1420         fields.
1421         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
1422         prototypes.
1423         * cgraphunit.c (cgraph_expand_function, cgraph_emit_thunks,
1424         cgraph_materialize_all_clones): Handle same_body aliases.
1425         * cgraph.c (cgraph_allocate_node): New function.
1426         (cgraph_create_node): Use it.
1427         (cgraph_node_for_decl, cgraph_node, cgraph_get_node,
1428         cgraph_node_for_asm, cgraph_remove_node): Handle same_body aliases.
1429         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
1430         functions.
1431         * lto-cgraph.c (lto_output_node): Stream out same_body aliases.
1432         (input_node): Stream in same_body aliases.
1433         * lto-symtab.c (lto_cgraph_replace_node): Clear node pointers
1434         for same_body aliases.
1435         (lto_symtab_merge_cgraph_nodes_1): Handle same_body aliases.
1436
1437 2009-11-18  Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1438
1439         PR other/39888
1440         * config/darwin.h: Use the extension stub libraries to access
1441         current libgcc_s features.
1442
1443 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1444
1445         PR debug/41926
1446         * tree-vect-loop.c (vect_loop_kill_debug_uses): New.
1447         (vect_transform_loop): Call it.
1448
1449 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1450
1451         * tree-ssa.c (insert_debug_temp_for_var_def): Fix handling of
1452         released SSA names.
1453
1454 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1455
1456         PR debug/41888
1457         PR debug/41886
1458         * graphite-scop-detection.c (stmt_simple_for_scop_p): Debug stmts
1459         are ok.
1460         * graphite-sese-to-poly.c (graphite_stmt_p): Likewise.
1461         (try_generate_gimple_bb): Skip debug stmts when finding data refs.
1462         * sese.c (sese_build_liveouts_bb): Skip debug stmts.
1463         (sese_bad_liveouts_use): New.
1464         (sese_reset_debug_liveouts_bb): New.
1465         (sese_build_liveouts): Use it.
1466         (rename_variables_in_stmt): Reset debug stmts rather than creating
1467         new vars for them.
1468         (expand_scalar_variable_stmt): Likewise.
1469
1470 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1471
1472         * df-scan.c (df_ref_create): Don't mark BB as dirty on debug insns.
1473         (df_ref_remove): Likewise.
1474
1475 2009-11-17  Jan Hubicka  <jh@suse.cz>
1476
1477         * ipa-struct-reorg.c (update_cgraph_with_malloc_call): Fix profile
1478         info.
1479
1480 2009-11-17  Eric Botcazou  <ebotcazou@adacore.com>
1481
1482         * toplev.c (process_options): Remove dead code.
1483         * doc/invoke.texi (-frename-registers): Mention -fpeel-loops.
1484
1485 2009-11-17  Rafael Avila de Espindola  <espindola@google.com>
1486
1487         * lto-symtab.c (lto_symtab_resolve_symbols): Always initialize the
1488         nodes.
1489
1490 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1491
1492         PR tree-optimization/41857
1493         * tree-ssa-address.c (move_hint_to_base): Use void pointer to
1494         TYPE's address space instead of pointer to TYPE.
1495
1496 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1497
1498         * reload.c (find_reloads_address): Fix typo.
1499
1500 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1501
1502         * config/spu/spu.c (get_pic_reg): Use LAST_ARG_REGNUM as PIC
1503         registers in leaf functions if possible.
1504
1505 2009-11-17  Maxim Kuvyrkov  <maxim@codesourcery.com>
1506
1507         * config/m68k/m68k-devices.def: Add MCF5441x family.
1508
1509 2009-11-17  Jan Hubicka  <jh@suse.cz>
1510
1511         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not access
1512         removed node.
1513         * cgraphunit.c (verify_cgraph_node): Verify frequencies for match.
1514
1515 2009-11-17  Uros Bizjak  <ubizjak@gmail.com>
1516
1517         * config/i386/predicates.md (x86_64_szext_general_operand): Do not
1518         nest ior expressions.
1519         (x86_64_szext_nonmemory_operand): Ditto.
1520         (call_insn_operand): Ditto.
1521
1522 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
1523
1524         * stmt.c (expand_asm_stmt): Get locus from stmt.
1525
1526 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
1527
1528         * tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>:
1529         Create the decl label for the new dest block on demand.  Require
1530         a fallthrough edge if no asm labels were redirected.
1531
1532 2009-11-16  Uros Bizjak  <ubizjak@gmail.com>
1533
1534         * config/i386/i386.md (cbranchsi4): Use nonimmediate_operand for
1535         operand 1 predicate.
1536         (cstoresi4): Ditto for operand 2.
1537         (cbranch<mode>4): Macroize expander from cbranch{qi,hi,si,di,ti}4
1538         patterns using SDWIM mode iterator.
1539         (cstore<mode>4): Macroize expander from cstore{qi,hi,si,di}4 patterns
1540         using SWIM mode iterator.
1541         (cmpdi_1): Rename from cmpdi_1_rex64.
1542         (cmp<mode>_1): Macroize expander from cmp{si,di}_1 patterns using
1543         SWI48 mode iterator.
1544         (*cmp<mode>_1): Macroize insn from *cmp{qi,hi,si,di}_1_insn patterns
1545         using SWI mode iterator.
1546         (*cmp<mode>_ccno_1): Ditto from *cmp{qi,hi,si,di}_ccno_1.
1547         (*cmp<mode>_minus_1): Ditto from *cmp{qi,hi,si,di}_minus_1.
1548         (*cmpqi_ext_3_insn): Make private.
1549         (*cmpqi_ext_3_insn_rex64): Make private.
1550         (cmpstrnsi): Update for renamed cmpdi_1_rex64.
1551         * config/i386/predicates.md (cmpsi_operand): Remove.
1552
1553 2009-11-16  Paul Brook  <paul@codesourcery.com>
1554
1555         * doc/invoke.texi: Document ARM VFPv4 based FPUs.
1556         * config/arm/arm.c (all_fpus): Add VFPv4 entries.
1557
1558 2009-11-14  Jan Hubicka  <jh@suse.cz>
1559
1560         * cgraphbuild.c (compute_call_stmt_bb_frequency): Use proper
1561         ENTRY_BLOCK_PTR.
1562         * cgraph.c (cgraph_clone_edge): Avoid freq_scale 0 to completely
1563         zero out all callees.
1564         * cgraphunit.c (verify_cgraph_node): Verify cgraph nodes for
1565         frequency and count match.
1566         * ipa-inline.c (update_noncloned_frequencies): New function.
1567         (cgraph_clone_inlined_nodes): Use it.
1568         * tree-inline.c (copy_bb): Fix frequency scaling; output
1569         diagnostic on frequency mismatches to dump file.
1570         (initialize_cfun): Do not scale frequency; fix count scaling;
1571         initialize entry and exit block frequencies; copy profile info.
1572         (copy_cfg_body): Use frequency_scale as argument; fix count scaling.
1573         (copy_body): Use frequency_scale as argument.
1574         (expand_call_inline): Compute frequency scale and output diagnostic
1575         to dump file.
1576         (delete_unreachable_blocks_update_callgrah): Remove checking that
1577         has to be done after edge redirection.
1578         (tree_function_versioning): Update initialize_cfun and copy_body call.
1579
1580 2009-11-14  Jan Hubicka  <jh@suse.cz>
1581
1582         * cgraph.c (cgraph_release_function_body): Update use of
1583         ipa_transforms_to_apply.
1584         (cgraph_remove_node): Remove ipa_transforms_to_apply.
1585         * cgraph.h (struct cgraph_node): Add ipa_transforms_to_apply.
1586         * cgraphunit.c (save_inline_function_body): Clear ipa_transforms for
1587         copied body.
1588         (cgraph_materialize_clone): Remove original if dead.
1589         * lto-streamer-in.c (lto_read_body): Remove FIXME and
1590         ipa_transforms_to_apply hack.
1591         * function.h (struct function): Add ipa_transforms_to_apply.
1592         * ipa.c (cgraph_remove_unreachable_nodes): Handle dead clone originals.
1593         * tree-inline.c (copy_bb): Update sanity check.
1594         (initialize_cfun): Do not copy ipa_transforms_to_apply.
1595         (expand_call_inline): remove dead clone originals.
1596         (tree_function_versioning): Merge transformation queues.
1597         * passes.c (add_ipa_transform_pass): Remove.
1598         (execute_one_ipa_transform_pass): Update ipa_transforms_to_apply
1599         tracking.
1600         (execute_all_ipa_transforms): Update.
1601         (execute_one_pass): Update.
1602
1603 2009-11-14  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
1604
1605         PR target/21078, 21080
1606         * config/avr/avr.c (avr_return_addr_rtx): New function for
1607         builtin_return_address.
1608         (expand_prologue): Calculate stack usage.
1609         (avr_asm_function_end_prologue): Output stack size and offset label.
1610         * config/avr/avr.h (RETURN_ADDR_RTX): Replace.
1611         (machine_function): Add stack_usage.
1612         * config/avr/avr-protos.h (avr_return_addr_rtx): New function.
1613
1614 2009-11-14  Anatoly Sokolov  <aesok@post.ru>
1615
1616         * config/iq2000/iq2000.c (iq2000_function_value): Make static, add
1617         new 'outgoing' argument.
1618         (iq2000_libcall_value, iq2000_function_value_regno_p): New functions.
1619         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
1620         * config/iq2000/iq2000.h (FUNCTION_VALUE_REGNO_P): Redefine, use
1621         iq2000_function_value_regno_p.
1622         (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
1623         * config/iq2000/iq2000-protos.h (iq2000_function_value_regno_p):
1624         Declare.
1625
1626 2009-11-14  Richard Earnshaw  <rearnsha@arm.com>
1627
1628         PR target/42031
1629         * arm.md (adddi_sesidi_di): Place tied contraint first.
1630         (adddi_zesidi_di, subdi_di_zesidi, subdi_di_sesidi): Likewise
1631         (subdi_zesidi_di, subdi_sesidi_di): Likewise.
1632         (mulsi3_compare0, mulsi_compare0_scratch): Likewise.
1633         (mulsi3addsi, mulsi3addsi_compare0): Likewise.
1634         (mulsi3addsi_compare0_scratch, smulsi3_highpart_nov6): Likewise.
1635         (umulsi3_highpart_nov6, anddi_zesidi_di, anddi_sesdi_di): Likewise.
1636         (anddi_notdi_di, iordi_sesidi_di, xordi_sesidi_di): Likewise.
1637         (andsi_iorsi3_notsi, arm_ashldi3_1bit, arm_ashrdi3_1_bit): Likewise.
1638         (arm_lshrdi3_1bit, one_cmpldi2): Likewise.
1639
1640 2009-11-14  Uros Bizjak  <ubizjak@gmail.com>
1641
1642         * config/i386/predicates.md (call_register_no_elim_operand):
1643         New predicate.  Reject stack register as valid call operand
1644         for 32bit targets.
1645         (call_insn_operand): Use call_register_no_elim_operand.
1646
1647 2009-11-13  Richard Henderson  <rth@redhat.com>
1648
1649         * function.c (stack_protect_prologue): Don't bypass expand_expr
1650         for stack_protect_guard and guard_decl.
1651         (stack_protect_epilogue): Likewise.
1652
1653 2009-11-13  Jan Hubicka  <jh@suse.cz>
1654
1655         * ipa.c (function_and_variable_visibility): Clear COMDAT on functions
1656         when to PUBLIC is set.
1657
1658 2009-11-13  Jakub Jelinek  <jakub@redhat.com>
1659
1660         PR middle-end/42029
1661         * gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on
1662         tmp_load if needed.
1663
1664 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
1665
1666         PR target/41900
1667         * config/i386/i386.md (*call_pop_1, *call_1, *call_value_pop_1,
1668         *call_value_1): Use "lsm" as operand 1 constraint.
1669         * config/i386/predicates.md (call_insn_operand): Depend on
1670         index_register_operand to avoid %esp register.
1671
1672 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
1673
1674         Revert:
1675         2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
1676
1677         PR target/41900
1678         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
1679         (TARGET_CALL_ESP): New define.
1680         * config/i386/i386.c (initial_ix86_tune_features): Initialize
1681         X86_ARCH_CALL_ESP.
1682         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
1683         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
1684         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
1685         TARGET_CALL_ESP.
1686         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
1687         New patterns, use "lsm" as operand 1 constraint.
1688         * config/i386/predicates.md (call_insn_operand): Depend on
1689         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
1690
1691 2009-11-13  Jason Merrill  <jason@redhat.com>
1692
1693         PR debug/26965
1694         * dwarf2out.c (gen_variable_die): Don't worry about DECL_COMDAT.
1695         Don't emit a second declaration at any scope.
1696
1697 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
1698
1699         PR rtl-optimization/41697
1700         * sel-sched-ir.c (fallthru_bb_of_jump): Bail out when a block with
1701         a conditional jump has a single successor.
1702
1703 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
1704
1705         * sched-deps.c (init_deps): New parameter lazy_reg_last.  Don't
1706         allocate reg_last when in case lazy_reg_last is true.
1707         (init_deps_reg_last): New.
1708         (free_deps): When max_reg is 0, this context is already freed.
1709         * sched-int.h (init_deps_reg_last): Export.
1710         (init_deps): Update prototype.
1711         * sched-ebb.c (schedule_ebb): Update the call to init_deps.
1712         * sched-rgn.c (sched_rgn_compute_dependencies): Likewise.
1713         * ddg.c (build_intra_loop_deps): Likewise.
1714         * sel-sched-ir.c (copy_deps_context, create_deps_context,
1715         reset_deps_context, deps_init_id): Likewise.
1716         (init_first_time_insn_data): Lazy allocate INSN_DEPS_CONTEXT.
1717         (free_data_for_scheduled_insn): New, break down from ...
1718         (free_first_time_insn_data): ... here.
1719         (has_dependence_p): Allocate reg_last now, when it is needed.
1720         (extend_insn_data): When maximal LUID is big enough, allocate
1721         per-insn data in smaller chunks.
1722         * sel-sched-ir.h (free_data_for_scheduled_insn): Export.
1723         * sel-sched.c (update_seqnos_and_stage): Free INSN_DEPS_CONTEXT
1724         in scheduled insn.
1725
1726 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
1727
1728         * config/i386/i386.md (call_value): Fix comment.
1729         (sibcall_value): Ditto.
1730
1731 2009-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1732
1733         * config/i386/linux-unwind.h (x86_frob_update_context): New function.
1734         (MD_FROB_UPDATE_CONTEXT): Define.
1735
1736 2009-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1737             Laurent GUERBY  <laurent@guerby.net>
1738
1739         * config/sparc/linux-unwind.h (sparc64_fallback_frame_state): Tidy.
1740         Do not schedule an %sp restore.  Compensate for RETURN_ADDR_OFFSET.
1741         (sparc_fallback_frame_state): Tidy.  Compensate for RETURN_ADDR_OFFSET.
1742
1743 2009-11-12  Jan Hubicka  <jh@suse.cz>
1744
1745         * ipa.c (function_and_variable_visibility): Fix my accidentail commit
1746         and clear DECL_COMMON on localized declarations.
1747
1748 2009-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1749
1750         PR rtl-opt/38582
1751         * regrename.c (struct du_head): New structure; some elements moved
1752         from...
1753         (struct du_chain): ... this one.
1754         (open_chains, closed_chains): Now of type struct du_head *.
1755         (do_replace): Accept du_head argument, not du_chain.  All callers
1756         changed.  Modified code to match new data structures.
1757         (build_def_use): Return a list of du_head structures.  Modified code
1758         to match new data structures.
1759         (dump_def_use_chain): Accept du_head argument, not du_chain.  All
1760         callers changed.  Modified code to match new data structures.
1761         (merge_overlapping_regs): Accept du_head argument, not du_chain.  All
1762         callers changed.  Modified code to match new data structures.
1763         (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned.
1764         Allocate a du_head structure as well as a du_chain when creating a
1765         new chain.  Modified other code to match new data structures.
1766
1767 2009-11-12  Jan Hubicka  <jh@suse.cz>
1768
1769         * cgraph.h (varpool_node_name): Declare.
1770         * cgraphunit.c (process_function_and_variable_attributes): Set
1771         force_output flag on used variables.
1772         * ipa.c (function_and_variable_visibility): Dump externally visible
1773         and needed variables.
1774         * varpool.c (varpool_node_name): Export.
1775         (decide_is_variable_needed): Check COMDAT for externally visible vars;
1776         ignore needed flag.
1777
1778 2009-11-12  Uros Bizjak  <ubizjak@gmail.com>
1779
1780         PR middle-end/41930
1781         * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip
1782         processing if XEXP (x, i) is NULL.
1783
1784 2009-11-12  Jan Hubicka  <jh@suse.cz>
1785
1786         * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON
1787         imply PUBLIC || EXTERNAL.
1788
1789 2009-11-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
1790
1791         PR middle-end/41440
1792         * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
1793         single successor block, ending with jump created by RTL expander.
1794
1795 2009-11-11  Jan Hubicka  <jh@suse.cz>
1796
1797         PR middle-end/41729
1798         * ipa.c (function_and_variable_visibility): Do not privatize COMDAT
1799         and WEAK variables at -fwhole-program.
1800
1801         PR middle-end/41735
1802         * ipa.c (whole_program_function_and_variable_visility): COMDAT
1803         functions/variables are not needed even if they are externally visible.
1804
1805 2009-11-11  Jan Hubicka  <jh@suse.cz>
1806
1807         (patch by Richard Guenther)
1808         * lto-streamer-out.c (output_function): Output head of argument list
1809         earlier.
1810         * lto-streamer-in.c (input_function): Re-map arguments into merged
1811         declaration.
1812
1813 2009-11-11  Jan Hubicka  <jh@suse.cz>
1814
1815         * lto-cgraph.c: Include gcov-io.h
1816         (output_profile_summary): New function.
1817         (output_cgraph): Use it.
1818         (input_profile_summary): New function.
1819         (input_cgraph): Use it.
1820         * coverage.c (build_ctr_info_value): Use varpool; initalize
1821         DECL_ASSEMBLER_NAME.
1822         (create_coverage): Likewise.
1823         * tree-profile.c (tree_init_ic_make_global_vars): Likewise.
1824         (tree_init_edge_profiler): Likewise.
1825         * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
1826
1827 2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
1828
1829         * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
1830         * c-pragma.c (def_pragma_macro_value): Likewise.
1831         (def_pragma_macro): Likewise.
1832         (pushed_macro_table): Likewise.
1833         (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
1834         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
1835
1836 2009-11-11  Basile Starynkevitch  <basile@starynkevitch.net>
1837
1838         * doc/plugins.texi (Registering custom attributes): section
1839         renamed as (Registering custom attributes or pragmas).
1840         Mentions custom attributes & pragmas, and c_register_pragma, with
1841         a small example.
1842         * doc/cpp.texi (Pragmas): Mentions that plugins can provide their
1843         pragmas.
1844         * doc/extend.texi (Function Attributes): Mentions that plugin can
1845         provide their attributes.
1846
1847 2009-11-11  Jon Beniston  <jon@beniston.com>
1848
1849         * config.gcc: Add lm32 elf and uclinux targets.
1850         * config/lm32: New directory.
1851         * config/lm32/lm32.c: New file.
1852         * config/lm32/lm32.h: New file.
1853         * config/lm32/lm32.md: New file.
1854         * config/lm32/lm32.opt: New file.
1855         * config/lm32/lm32-protos.h: New file.
1856         * config/lm32/constraints.md: New file.
1857         * config/lm32/predicates.md: New file.
1858         * config/lm32/sfp-machine.h: New file.
1859         * config/lm32/t-fprules-softfp: New file.
1860         * config/lm32/uclinux-elf.h: New file.
1861         * doc/invoke.texi: Document lm32 options.
1862         * doc/contrib.texi: Document lm32 porter.
1863         * doc/install.texi: Document lm32 targets.
1864
1865 2009-11-11  Martin Jambor  <mjambor@suse.cz>
1866
1867         PR lto/41932
1868         * ipa-prop.c (ipa_update_after_lto_read): Call
1869         ipa_check_create_node_params and ipa_check_create_edge_args.  Also
1870         call ipa_initialize_node_params instead of ipa_populate_param_decls.
1871
1872 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1873
1874         * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New.
1875         (neon_expand_vector_init): Use them.  Also handle non-constant
1876         vectors with identical elements and vectors with only one
1877         non-constant element.
1878         (arm_print_operand): Handle 'y' modifier.
1879         * config/arm/arm-protos.h (neon_make_constant): Declare.
1880         * config/arm/neon.md (neon_vdup_n<mode>): Split into two
1881         patterns.  Use VX instead of VDQW for the first one.  Allow
1882         a VFP alternative and V32 modes for the second one.
1883         * config/arm/neon.ml (shape_elt): Add Alternatives.
1884         (ops): Use Alternatives for vdup lane instructions.
1885         * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives.
1886         * config/arm/vec-common.md (mov<mode>): Use neon_make_constant.
1887
1888 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1889
1890         * config/arm/neon.md (*neon_mov<mode>): Reject two non-register
1891         operands.
1892         (movti, mov<mode>): Call force_reg on one operand if required.
1893         * config/arm/vec-common.md (mov<mode>): Likewise.
1894
1895 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1896
1897         * config/arm/arm.c (arm_override_options): Enable scheduling for
1898         Thumb-2.
1899
1900 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1901
1902         PR target/10127
1903         PR ada/20548
1904         * expr.h (anti_adjust_stack_and_probe): Declare.
1905         * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK
1906         parameter and rewrite head comment.
1907         (allocate_dynamic_stack_space): Adjust call to above function.
1908         * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP.
1909
1910         * tree.h (dwarf2out_args_size): Delete.
1911         * dwarf2out.c (dwarf2out_args_size): Make static and move around.
1912         (dwarf2out_args_size_adjust): Delete prototype and move around.
1913         (dwarf2out_frame_debug_expr): Do not record arg size adjustments for
1914         ACCUMULATE_OUTGOING_ARGS targets.
1915
1916 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1917
1918         * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
1919         DECL_SIZE of DECL_RESULT before evaluating it.
1920
1921 2009-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1922
1923         PR tree-optimization/41987
1924         * fold-const.c (const_binop): Avoid using fold_buildN().
1925
1926 2009-11-10  Martin Jambor  <mjambor@suse.cz>
1927
1928         * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field.
1929         (execute_all_ipa_stmt_fixups): Declare.
1930         * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value.
1931         * ipa-inline.c (pass_ipa_inline): Likewise.
1932         * ipa-pure-const.c (pass_ipa_pure_cons): Likewise.
1933         * ipa-reference.c (pass_ipa_reference): Likewise.
1934         * ipa.c (pass_ipa_whole_program_visibility): Likewise.
1935         * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise.
1936         (pass_ipa_lto_finish_out): Likewise.
1937         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise.
1938         * passes.c (execute_ipa_stmt_fixups): New function.
1939         (execute_all_ipa_stmt_fixups): New function.
1940         * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups.
1941
1942 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1943
1944         PR ada/20548
1945         * explow.c (probe_stack_range): Fix typo.
1946         * config/sparc/sparc.md (probe_stack): New expander.
1947
1948 2009-11-09  Dave Korn  <dave.korn.cygwin@gmail.com>
1949
1950         * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.
1951
1952 2009-11-09  Jason Merrill  <jason@redhat.com>
1953
1954         * gdbinit.in (pgq): New function for printing gimple sequence.
1955
1956 2009-11-09  Paul Brook  <paul@codesourcery.com>
1957             Daniel Jacobowitz  <dan@codesourcery.com>
1958             Sandra Loosemore  <sandra@codesourcery.com>
1959
1960         * doc/extend.texi (Half-Precision): Update wording to reflect
1961         that there are now multiple -mfpu options that enable fp16
1962         hardware support.
1963         * doc/invoke.texi: Update list of ARM -mfpu= options.
1964         * config.gcc: Update ARM --with-fpu option list.
1965         * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16,
1966         vfpv3xd and vfpv3xd-fp16.
1967         (use_vfp_abi): New function.
1968         (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs
1969         when undesirable.
1970         (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate,
1971         aapcs_vfp_allocate_return_reg): Use use_vfp_abi.
1972         (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs,
1973         arm_9e_rtx_costs): Only expect double-precision operations if the FPU
1974         provides them.
1975         (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no
1976         NEON.
1977         (arm_print_operand): Handle 'p' modifier.
1978         (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if
1979         TARGET_FP16.
1980         * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define.
1981         (TARGET_FP16): Define.
1982         * config/arm/vfp.md: Disable double-precision patterns if the FPU
1983         does not provide them.
1984         (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move
1985         double-precision values on a single-precision FPU.
1986         (movdf_vfp, thumb2_movdf_vfp): Likewise.  Use "Dy" for
1987         double-precision constants.
1988         (movhf_vfp_neon): New pattern (was movhf_vfp).
1989         (movhf_vfp): Remove NEON instructions.
1990         * config/arm/constraints.md: Add new "Dy" constraint for
1991         double-precision constants.  Update description of "Dv".
1992         * config/arm/arm.md: Disable double-precision patterns if the FPU
1993         does not provide them
1994
1995 2009-11-09  Jakub Jelinek  <jakub@redhat.com>
1996
1997         * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting.
1998         (print_operand) <case 'Y'>: Likewise.  Fix a pasto in operand lossage
1999         diagnostics.
2000
2001 2009-11-08  H.J. Lu  <hongjiu.lu@intel.com>
2002
2003         * collect2.c (main): Search PLUGIN_LD for plugin linker.
2004
2005         * configure.ac (--with-plugin-ld): New.  Default to ld.
2006         * configure: Regenerated.
2007         * config.in: Likewise.
2008
2009         * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New.
2010         (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin.
2011
2012 2009-11-08  Jonathan Gray  <jsg@openbsd.org>
2013
2014         * config/openbsd-stdint.h: Change to reflect what
2015         c_common_nodes_and_builtins expects.
2016
2017 2009-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
2018
2019         * builtins.c (apply_args_reg_offset): Remove commented out delaration.
2020
2021 2009-11-08  Jakub Jelinek  <jakub@redhat.com>
2022
2023         PR target/41985
2024         * config/i386/i386.c (get_some_local_dynamic_name): Don't assert
2025         function contains at least one local dynamic name.
2026         (print_operand) <case '&'>: Instead output operand lossage diagnostics
2027         here if that happens.
2028
2029 2009-11-08  Zbigniew Chamski  <zbigniew.chamski@gmail.com>
2030             Joern Rennecke  <amylaar@spamcop.net>
2031
2032         * cfgrtl.c (pass_free_cfg): Add pass name.
2033         * cgraphbuild.c (pass_build_cgraph_edges): Likewise.
2034         (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise.
2035         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name.
2036         * df-core.c (pass_df_initialize_no_opt): Likewise.
2037         * except.c (pass_rtl_eh): Likewise.
2038         * function.c (pass_init_function, pass_leaf_regs): Likewise.
2039         * gcse.c (pass_rtl_pre): Change pass name.
2040         * passes.c (pass_postreload): Add pass name.
2041         (make_pass_instance): Don't use duplicate-tracking logic for
2042         names starting with '*'.
2043         (next_pass_1): Assert that pass has a name.
2044         (register_one_dump_file): If there is an space in the name,
2045         skip past it.
2046         * predict.c (pass_strip_predict_hints): Add pass name.
2047         * reg-stack.c (pass_stack_regs): Likewise.
2048         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
2049         * tree-cfg.c (pass_warn_function_return,
2050         pass_warn_function_noreturn): Add pass name.
2051         * tree-dfa.c (pass_referenced_vars): Likewise.
2052         * tree-optimize.c (pass_cleanup_cfg_post_optimizing):
2053         Fix whitespace before comment.
2054         (pass_fixup_cfg): Add pass name, fix whitespace before comment.
2055         (pass_init_datastructures): Add pass name.
2056         * tree-ssa-loop.c (pass_record_bounds): Likewise.
2057         * tree-ssa.c (pass_early_warn_uninitialized,
2058         pass_late_warn_uninitialized): Likewise.
2059         * tree.c (pass_ipa_free_lang_data): Likewise.
2060         * doc/passes.texi (pass manager): Document how to disambiguate
2061         pass names.
2062
2063 2009-11-08  Paolo Bonzini  <bonzini@gnu.org>
2064
2065         * df-problems.c: Fix documentation for forward simulation of LR.
2066         (df_simulate_one_insn_forwards): Use df_simulate_find_defs.
2067         (df_simulate_finalize_forwards): Remove.
2068         * df.h (df_simulate_finalize_forwards): Remove.
2069
2070 2009-11-08  Richard Guenther  <rguenther@suse.de>
2071
2072         * tree-ssa-structalias.c (build_succ_graph): Properly make
2073         variables escape if they are stored to anything.
2074
2075 2009-11-08  Richard Guenther  <rguenther@suse.de>
2076
2077         PR rtl-optimization/41928
2078         * loop-invariant.c (free_loop_data): If we didn't allocate
2079         loop data do not try to free it.
2080
2081 2009-11-07  Jason Merrill  <jason@redhat.com>
2082
2083         * tree.c (reconstruct_complex_type): Preserve attributes.
2084
2085 2009-11-07  Richard Guenther  <rguenther@suse.de>
2086
2087         * tree-ssa-structalias.c (build_succ_graph): Feed stores
2088         to anything only to variables that can take pointers.
2089         (get_constraint_for_ssa_var): Properly exclude full
2090         variables from expanding.
2091         (first_vi_for_offset): Avoid overflow in arithmetic.
2092         (first_or_preceding_vi_for_offset): Likewise.
2093         (count_num_arguments): Fix implementation.
2094         (gate_ipa_pta): Do not run when not optimizing.
2095
2096 2009-11-07  David Binderman <dcb314@hotmail.com>
2097
2098         * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi,
2099         expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some
2100         set but not used variables.
2101         (apply_args_reg_offset): Comment out as unused.
2102         * calls.c (flags_from_decl_or_type): Likewise.
2103         * genautomata.c (check_regexp_units_distribution): Likewise.
2104
2105 2009-11-07  Uros Bizjak  <ubizjak@gmail.com>
2106
2107         * config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd,
2108         xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql,
2109         *xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd,
2110         xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>,
2111         xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si,
2112         xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress
2113         operand alternatives.
2114
2115 2009-11-06  Michael Matz  <matz@suse.de>
2116
2117         PR middle-end/41963
2118         * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
2119         of a potential reciprocal to really be reciprocals.
2120
2121 2009-11-06  Jakub Jelinek  <jakub@redhat.com>
2122
2123         * config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and
2124         lwpintrin.h after immintrin.h.
2125         * config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove
2126         typedefs.
2127
2128         PR middle-end/41935
2129         * c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs
2130         or non-constant index, allow index one past the last element and
2131         allow exceeding array bound in arrays that might be used as flexible
2132         array members.
2133
2134 2009-11-05  Richard Henderson  <rth@redhat.com>
2135
2136         * config/i386/ia32intrin.h: Protect CRC32 builtins with __SSE4_2__.
2137
2138 2009-11-05  Paul Brook  <paul@codesourcery.com>
2139
2140         * config/arm/arm.c (arm_fp_model, arm_fpu_arch, arm_fpu_tune): Remove.
2141         (arm_fpu_desc): New.
2142         (all_fpus): Add FPU details.
2143         (fp_model_for_fpu): Remove.
2144         (arm_override_options): Set and use arm_fpu_desc and arm_fpu_attr.
2145         (arm_output_epilogue, arm_save_coproc_regs): Use TARGET_FPA_EMU2.
2146         (arm_file_start): Use arm_fpu_desc.
2147         * config/arm/arm.h (TARGET_FPA, TARGET_MAVERICK, TARGET_VFP,
2148         TARGET_VFPD32, TARGET_VFP3, TARGET_NEON_FP16, TARGET_NEON): Use
2149         arm_fpu_desc.
2150         (TARGET_FPA_EMU2): Define.
2151         (arm_fp_model, fputype, arm_fpu_tune): Remove.
2152         (vfp_reg_type, arm_fpu_desc): New.
2153         * config/arm/arm.md (attr fpu): Simplify.
2154         * config/arm/fpa.md (movxf_fpa): Use TARGET_FPA_EMU2.
2155         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Use string value.
2156         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Use string value.
2157         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Use string value.
2158         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Use string value.
2159
2160 2009-11-05  Michael Matz  <matz@suse.de>
2161
2162         * config/i386/i386.c (ix86_builtin_reciprocal): Remove dependency
2163         on TARGET_RECIP.
2164         * doc/invoke.texi (-mrecip): Clarify that we don't need -mrecip
2165         for 1/sqrtf.
2166
2167 2009-11-04  Jason Merrill  <jason@redhat.com>
2168
2169         PR c++/36912
2170         * varasm.c (initializer_constant_valid_p): A PLUS_EXPR
2171         or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
2172         (output_constant): Avoid crash after error.
2173
2174 2009-11-05  Martin Jambor  <mjambor@suse.cz>
2175
2176         * tree-sra.c (struct access): Changed comment of next_sibling field.
2177         (analyze_modified_params): Loop over accesses of a group rather than
2178         over all with the ame base, pass a common bitmap to
2179         walk_aliased_vdefs.
2180         (unmodified_by_ref_scalar_representative): Build link lists of
2181         accesses of a group.
2182         (splice_param_accesses): Likewise.
2183
2184 2009-11-04  Kenneth Zadeck  <zadeck@naturalbridge.com>
2185
2186         * df-scan.c (df-uses-record): Add case zero_extract of mem.
2187
2188 2009-11-04  Eric Botcazou  <ebotcazou@adacore.com>
2189
2190         PR target/10127
2191         PR ada/20548
2192         * config/i386/i386.md (probe_stack): New expander.
2193         (logical operation peepholes): Do not split stack checking probes.
2194
2195 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
2196             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2197
2198         * doc/invoke.texi (-mlwp): Add documentation.
2199         * doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
2200         * config.gcc (i[34567]86-*-*): Include lwpintrin.h.
2201         (x86_64-*-*): Ditto.
2202         * config/i386/lwpintrin.h: New file, provide x86 compiler
2203         intrinisics for LWP.
2204         * config/i386/cpuid.h (bit_LWP): Define LWP bit.
2205         * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
2206         * config/i386/i386-c.c (ix86_target_macros_internal): Check
2207         ISA_FLAG for LWP.
2208         * config/i386/i386.h (TARGET_LWP): New macro for LWP.
2209         * config/i386/i386.opt (-mlwp): New switch for LWP support.
2210         * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
2211         (OPTION_MASK_ISA_LWP_UNSET): New.
2212         (ix86_handle_option): Handle -mlwp.
2213         (isa_opts): Handle -mlwp.
2214         (enum pta_flags): Add PTA_LWP.
2215         (override_options): Add LWP support.
2216         (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
2217         (IX86_BUILTIN_LLWPCB32): Ditto.
2218         (IX86_BUILTIN_LLWPCB64): Ditto.
2219         (IX86_BUILTIN_SLWPCB16): Ditto.
2220         (IX86_BUILTIN_SLWPCB32): Ditto.
2221         (IX86_BUILTIN_SLWPCB64): Ditto.
2222         (IX86_BUILTIN_LWPVAL16): Ditto.
2223         (IX86_BUILTIN_LWPVAL32): Ditto.
2224         (IX86_BUILTIN_LWPVAL64): Ditto.
2225         (IX86_BUILTIN_LWPINS16): Ditto.
2226         (IX86_BUILTIN_LWPINS32): Ditto.
2227         (IX86_BUILTIN_LWPINS64): Ditto.
2228         (enum  ix86_special_builtin_type): Add LWP intrinsic support.
2229         (builtin_description): Ditto.
2230         (ix86_init_mmx_sse_builtins): Ditto.
2231         (ix86_expand_special_args_builtin): Ditto.
2232         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for
2233         LWP support.
2234         (UNSPEC_SLWP_INTRINSIC): Ditto.
2235         (UNSPECV_LWPVAL_INTRINSIC): Ditto.
2236         (UNSPECV_LWPINS_INTRINSIC): Ditto.
2237         (lwp_llwpcbhi1): New lwp pattern.
2238         (lwp_llwpcbsi1): Ditto.
2239         (lwp_llwpcbdi1): Ditto.
2240         (lwp_slwpcbhi1): Ditto.
2241         (lwp_slwpcbsi1): Ditto.
2242         (lwp_slwpcbdi1): Ditto.
2243         (lwp_lwpvalhi3): Ditto.
2244         (lwp_lwpvalsi3): Ditto.
2245         (lwp_lwpvaldi3): Ditto.
2246         (lwp_lwpinshi3): Ditto.
2247         (lwp_lwpinssi3): Ditto.
2248         (lwp_lwpinsdi3): Ditto.
2249
2250 2009-11-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2251             Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2252
2253         PR rtl-opt/41833
2254         * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
2255         a vec_duplicate.
2256
2257 2009-11-04  Richard Guenther  <rguenther@suse.de>
2258             Rafael Avila de Espindola  <espindola@google.com>
2259
2260         * gcc.c (process_command): Handle arguments name@offset.
2261
2262 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
2263             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2264
2265         * config.gcc (i[34567]86-*-*): Include xopintrin.h.
2266         (x86_64-*-*): Ditto.
2267         * config/i386/xopintrin.h: New file, provide common x86 compiler
2268         intrinisics for XOP.
2269         * config/i386/cpuid.h (bit_XOP): Define XOP bit.
2270         * config/i386/x86intrin.h: Add XOP check and xopintrin.h.
2271         * config/i386/i386-c.c(ix86_target_macros_internal): Check
2272         ISA_FLAG for XOP.
2273         * config/i386/i386.h(TARGET_XOP): New macro for XOP.
2274         * config/i386/i386.opt (-mxop): New switch for XOP support.
2275         * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
2276         (UNSPEC_XOP_TRUEFALSE)
2277         (UNSPEC_XOP_PERMUTE)
2278         (UNSPEC_FRCZ): Add new UNSPEC for XOP support.
2279         (PPERM_*): New constants for vpperm instruction.
2280         (xop_pcmov_<mode>): Add XOP conditional mov instructions.
2281         * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
2282         (OPTION_MASK_ISA_XOP_UNSET): New.
2283         (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
2284         (ix86_handle_option): Handle -mxop.
2285         (isa_opts): Handle -mxop.
2286         (enum pta_flags): Add PTA_XOP.
2287         (override_options): Add XOP support.
2288         (print_operand): Add code for XOP compare instructions.
2289         (ix86_expand_sse_movcc): Extend for XOP conditional move instruction.
2290         (ix86_expand_int_vcond): Extend for XOP compare instruction.
2291
2292         (IX86_BUILTIN_VPCMOV): New for XOP intrinsic.
2293         (IX86_BUILTIN_VPCMOV_V2DI): Ditto.
2294         (IX86_BUILTIN_VPCMOV_V4SI): Ditto.
2295         (IX86_BUILTIN_VPCMOV_V8HI): Ditto.
2296         (IX86_BUILTIN_VPCMOV_V16QI): Ditto.
2297         (IX86_BUILTIN_VPCMOV_V4SF): Ditto.
2298         (IX86_BUILTIN_VPCMOV_V2DF): Ditto.
2299
2300         (IX86_BUILTIN_VPCMOV256): Ditto.
2301         (IX86_BUILTIN_VPCMOV_V4DI256): Ditto.
2302         (IX86_BUILTIN_VPCMOV_V8SI256): Ditto.
2303         (IX86_BUILTIN_VPCMOV_V16HI256): Ditto.
2304         (IX86_BUILTIN_VPCMOV_V32QI256): Ditto.
2305         (IX86_BUILTIN_VPCMOV_V8SF256): Ditto.
2306         (IX86_BUILTIN_VPCMOV_V4DF256): Ditto.
2307
2308         (IX86_BUILTIN_VPPERM): Ditto.
2309
2310         (IX86_BUILTIN_VPMACSSWW): Ditto.
2311         (IX86_BUILTIN_VPMACSWW): Ditto.
2312         (IX86_BUILTIN_VPMACSSWD): Ditto.
2313         (IX86_BUILTIN_VPMACSWD): Ditto.
2314         (IX86_BUILTIN_VPMACSSDD): Ditto.
2315         (IX86_BUILTIN_VPMACSDD): Ditto.
2316         (IX86_BUILTIN_VPMACSSDQL): Ditto.
2317         (IX86_BUILTIN_VPMACSSDQH): Ditto.
2318         (IX86_BUILTIN_VPMACSDQL): Ditto.
2319         (IX86_BUILTIN_VPMACSDQH): Ditto.
2320         (IX86_BUILTIN_VPMADCSSWD): Ditto.
2321         (IX86_BUILTIN_VPMADCSWD): Ditto.
2322
2323         (IX86_BUILTIN_VPHADDBW): Ditto.
2324         (IX86_BUILTIN_VPHADDBD): Ditto.
2325         (IX86_BUILTIN_VPHADDBQ): Ditto.
2326         (IX86_BUILTIN_VPHADDWD): Ditto.
2327         (IX86_BUILTIN_VPHADDWQ): Ditto.
2328         (IX86_BUILTIN_VPHADDDQ): Ditto.
2329         (IX86_BUILTIN_VPHADDUBW): Ditto.
2330         (IX86_BUILTIN_VPHADDUBD): Ditto.
2331         (IX86_BUILTIN_VPHADDUBQ): Ditto.
2332         (IX86_BUILTIN_VPHADDUWD): Ditto.
2333         (IX86_BUILTIN_VPHADDUWQ): Ditto.
2334         (IX86_BUILTIN_VPHADDUDQ): Ditto.
2335         (IX86_BUILTIN_VPHSUBBW): Ditto.
2336         (IX86_BUILTIN_VPHSUBWD): Ditto.
2337         (IX86_BUILTIN_VPHSUBDQ): Ditto.
2338
2339         (IX86_BUILTIN_VPROTB): Ditto.
2340         (IX86_BUILTIN_VPROTW): Ditto.
2341         (IX86_BUILTIN_VPROTD): Ditto.
2342         (IX86_BUILTIN_VPROTQ): Ditto.
2343         (IX86_BUILTIN_VPROTB_IMM): Ditto.
2344         (IX86_BUILTIN_VPROTW_IMM): Ditto.
2345         (IX86_BUILTIN_VPROTD_IMM): Ditto.
2346         (IX86_BUILTIN_VPROTQ_IMM): Ditto.
2347
2348         (IX86_BUILTIN_VPSHLB): Ditto.
2349         (IX86_BUILTIN_VPSHLW): Ditto.
2350         (IX86_BUILTIN_VPSHLD): Ditto.
2351         (IX86_BUILTIN_VPSHLQ): Ditto.
2352         (IX86_BUILTIN_VPSHAB): Ditto.
2353         (IX86_BUILTIN_VPSHAW): Ditto.
2354         (IX86_BUILTIN_VPSHAD): Ditto.
2355         (IX86_BUILTIN_VPSHAQ): Ditto.
2356
2357         (IX86_BUILTIN_VFRCZSS): Ditto.
2358         (IX86_BUILTIN_VFRCZSD): Ditto.
2359         (IX86_BUILTIN_VFRCZPS): Ditto.
2360         (IX86_BUILTIN_VFRCZPD): Ditto.
2361         (IX86_BUILTIN_VFRCZPS256): Ditto.
2362         (IX86_BUILTIN_VFRCZPD256): Ditto.
2363
2364         (IX86_BUILTIN_VPCOMEQUB): Ditto.
2365         (IX86_BUILTIN_VPCOMNEUB): Ditto.
2366         (IX86_BUILTIN_VPCOMLTUB): Ditto.
2367         (IX86_BUILTIN_VPCOMLEUB): Ditto.
2368         (IX86_BUILTIN_VPCOMGTUB): Ditto.
2369         (IX86_BUILTIN_VPCOMGEUB): Ditto.
2370         (IX86_BUILTIN_VPCOMFALSEUB): Ditto.
2371         (IX86_BUILTIN_VPCOMTRUEUB): Ditto.
2372
2373         (IX86_BUILTIN_VPCOMEQUW): Ditto.
2374         (IX86_BUILTIN_VPCOMNEUW): Ditto.
2375         (IX86_BUILTIN_VPCOMLTUW): Ditto.
2376         (IX86_BUILTIN_VPCOMLEUW): Ditto.
2377         (IX86_BUILTIN_VPCOMGTUW): Ditto.
2378         (IX86_BUILTIN_VPCOMGEUW): Ditto.
2379         (IX86_BUILTIN_VPCOMFALSEUW): Ditto.
2380         (IX86_BUILTIN_VPCOMTRUEUW): Ditto.
2381
2382         (IX86_BUILTIN_VPCOMEQUD): Ditto.
2383         (IX86_BUILTIN_VPCOMNEUD): Ditto.
2384         (IX86_BUILTIN_VPCOMLTUD): Ditto.
2385         (IX86_BUILTIN_VPCOMLEUD): Ditto.
2386         (IX86_BUILTIN_VPCOMGTUD): Ditto.
2387         (IX86_BUILTIN_VPCOMGEUD): Ditto.
2388         (IX86_BUILTIN_VPCOMFALSEUD): Ditto.
2389         (IX86_BUILTIN_VPCOMTRUEUD): Ditto.
2390
2391         (IX86_BUILTIN_VPCOMEQUQ): Ditto.
2392         (IX86_BUILTIN_VPCOMNEUQ): Ditto.
2393         (IX86_BUILTIN_VPCOMLTUQ): Ditto.
2394         (IX86_BUILTIN_VPCOMLEUQ): Ditto.
2395         (IX86_BUILTIN_VPCOMGTUQ): Ditto.
2396         (IX86_BUILTIN_VPCOMGEUQ): Ditto.
2397         (IX86_BUILTIN_VPCOMFALSEUQ): Ditto.
2398         (IX86_BUILTIN_VPCOMTRUEUQ): Ditto.
2399
2400         (IX86_BUILTIN_VPCOMEQB): Ditto.
2401         (IX86_BUILTIN_VPCOMNEB): Ditto.
2402         (IX86_BUILTIN_VPCOMLTB): Ditto.
2403         (IX86_BUILTIN_VPCOMLEB): Ditto.
2404         (IX86_BUILTIN_VPCOMGTB): Ditto.
2405         (IX86_BUILTIN_VPCOMGEB): Ditto.
2406         (IX86_BUILTIN_VPCOMFALSEB): Ditto.
2407         (IX86_BUILTIN_VPCOMTRUEB): Ditto.
2408
2409         (IX86_BUILTIN_VPCOMEQW): Ditto.
2410         (IX86_BUILTIN_VPCOMNEW): Ditto.
2411         (IX86_BUILTIN_VPCOMLTW): Ditto.
2412         (IX86_BUILTIN_VPCOMLEW): Ditto.
2413         (IX86_BUILTIN_VPCOMGTW): Ditto.
2414         (IX86_BUILTIN_VPCOMGEW): Ditto.
2415         (IX86_BUILTIN_VPCOMFALSEW): Ditto.
2416         (IX86_BUILTIN_VPCOMTRUEW): Ditto.
2417
2418         (IX86_BUILTIN_VPCOMEQD): Ditto.
2419         (IX86_BUILTIN_VPCOMNED): Ditto.
2420         (IX86_BUILTIN_VPCOMLTD): Ditto.
2421         (IX86_BUILTIN_VPCOMLED): Ditto.
2422         (IX86_BUILTIN_VPCOMGTD): Ditto.
2423         (IX86_BUILTIN_VPCOMGED): Ditto.
2424         (IX86_BUILTIN_VPCOMFALSED): Ditto.
2425         (IX86_BUILTIN_VPCOMTRUED): Ditto.
2426
2427         (IX86_BUILTIN_VPCOMEQQ): Ditto.
2428         (IX86_BUILTIN_VPCOMNEQ): Ditto.
2429         (IX86_BUILTIN_VPCOMLTQ): Ditto.
2430         (IX86_BUILTIN_VPCOMLEQ): Ditto.
2431         (IX86_BUILTIN_VPCOMGTQ): Ditto.
2432         (IX86_BUILTIN_VPCOMGEQ): Ditto.
2433         (IX86_BUILTIN_VPCOMFALSEQ): Ditto.
2434         (IX86_BUILTIN_VPCOMTRUEQ): Ditto.
2435
2436         (enum multi_arg_type): New enum for describing the various XOP
2437         intrinsic argument types.
2438         (bdesc_multi_arg): New table for XOP intrinsics.
2439         (ix86_init_mmx_sse_builtins): Add XOP intrinsic support.
2440         (ix86_expand_multi_arg_builtin): New function for creating XOP
2441         intrinsics.
2442
2443         * config/i386/sse.md (sserotatemax): New mode attribute for XOP.
2444         (xop_pmacsww): Ditto.
2445         (xop_pmacssww): Ditto.
2446         (xop_pmacsdd): Ditto.
2447         (xop_pmacssdd): Ditto.
2448         (xop_pmacssdql): Ditto.
2449         (xop_pmacssdqh): Ditto.
2450         (xop_pmacsdql): Ditto.
2451         (xop_pmacsdql_mem): Ditto.
2452         (xop_mulv2div2di3_low): Ditto.
2453         (xop_pmacsdqh): Ditto.
2454         (xop_pmacsdqh_mem): Ditto.
2455         (xop_mulv2div2di3_high): Ditto.
2456         (xop_pmacsswd): Ditto.
2457         (xop_pmacswd): Ditto.
2458         (xop_pmadcsswd): Ditto.
2459         (xop_pmadcswd): Ditto.
2460         (xop_pcmov_<mode>): Ditto.
2461         (xop_pcmov_<mode>256): Ditto.
2462         (xop_phaddbw): Ditto.
2463         (xop_phaddbd): Ditto.
2464         (xop_phaddbq): Ditto.
2465         (xop_phaddwd): Ditto.
2466         (xop_phaddwq): Ditto.
2467         (xop_phadddq): Ditto.
2468         (xop_phaddubw): Ditto.
2469         (xop_phaddubd): Ditto.
2470         (xop_phaddubq): Ditto.
2471         (xop_phadduwd): Ditto.
2472         (xop_phadduwq): Ditto.
2473         (xop_phaddudq): Ditto.
2474         (xop_phsubbw): Ditto.
2475         (xop_phsubwd): Ditto.
2476         (xop_phsubdq): Ditto.
2477         (xop_pperm): Ditto.
2478         (rotl<mode>3): Ditto.
2479         (rotr<mode>3): Ditto.
2480         (xop_rotl<mode>3): Ditto.
2481         (xop_rotr<mode>3): Ditto.
2482         (vrotr<mode>3): Ditto.
2483         (vrotl<mode>3): Ditto.
2484         (xop_vrotl<mode>3): Ditto.
2485         (vlshr<mode>3): Ditto.
2486         (vashr<mode>3): Ditto.
2487         (vashl<mode>3
2488         (xop_ashl<mode>3): Ditto.
2489         (xop_lshl<mode>3): Ditto.
2490         (ashlv16qi3): Ditto.
2491         (lshlv16qi3): Ditto.
2492         (ashrv16qi3): Ditto.
2493         (ashrv2di3): Ditto.
2494         (xop_frcz<mode>2): Ditto.
2495         (xop_vmfrcz<mode>2): Ditto.
2496         (xop_frcz<mode>2256): Ditto.
2497         (xop_maskcmp<mode>3): Ditto.
2498         (xop_maskcmp_uns<mode>3): Ditto.
2499         (xop_maskcmp_uns2<mode>3): Ditto.
2500         (xop_pcom_tf<mode>3): Ditto.
2501
2502         * doc/invoke.texi (-mxop): Add documentation.
2503         * doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
2504
2505 2009-11-03  Mark Mitchell  <mark@codesourcery.com>
2506
2507         PR driver/11810
2508         * gcc.c (SWITCHES_NEED_SPACES): Define to "o".
2509         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Remove here.
2510         * config/mips/iris.h (SWITCHES_NEED_SPACES): Remove here.
2511
2512 2009-11-04  Richard Earnshaw  <rearnsha@arm.com>
2513
2514         PR target/40835
2515         * arm.md (peephole2 patterns for move and compare): New.
2516
2517 2009-11-04  Nick Clifton  <nickc@redhat.com>
2518
2519         * defaults.h (CONSTANT_ADDRESS_P): Provide a default definition.
2520         Make sure that it does not allow CONST_DOUBLEs.
2521         * doc/tm.texi (CONSTANT_ADDRESS_P): Update description.
2522         * config/avr/avr.h (CONSTANT_ADDRESS_P): Delete.
2523         * config/bfin/bfin.h (CONSTANT_ADDRESS_P): Delete.
2524         * config/cris/cris.h (CONSTANT_ADDRESS_P): Delete.
2525         * config/fr30/fr30.h (CONSTANT_ADDRESS_P): Delete.
2526         * config/frv/frv.h (CONSTANT_ADDRESS_P): Delete.
2527         * config/m32c/m32c.h (CONSTANT_ADDRESS_P): Delete.
2528         * config/m68hc11/m68hc11.h (CONSTANT_ADDRESS_P): Delete.
2529         * config/mep/mep.h (CONSTANT_ADDRESS_P): Delete.
2530         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Delete.
2531         * config/moxie/moxie.h (CONSTANT_ADDRESS_P): Delete.
2532         * config/pdp11/pdp11.h (CONSTANT_ADDRESS_P): Delete.
2533         * config/picochip/picochip.h (CONSTANT_ADDRESS_P): Delete.
2534         * config/score/score.h (CONSTANT_ADDRESS_P): Delete.
2535         * config/stormy16/stormy16.h (CONSTANT_ADDRESS_P): Delete.
2536
2537 2009-11-04  Richard Guenther  <rguenther@suse.de>
2538
2539         PR tree-optimization/41919
2540         * tree-vrp.c (test_for_singularity): Properly compare values.
2541
2542 2009-11-04  Revital Eres  <eres@il.ibm.com>
2543
2544         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
2545         Consider peeling for alignment only for stores and remove
2546         redundant assignment.
2547
2548 2009-11-04  Maxim Kuvyrkov  <maxim@codesourcery.com>
2549
2550         PR target/41302
2551         * config/m68k/m68k.c (m68k_reg_present_p): New static function.
2552         (m68k_ok_for_sibcall_p): Handle different result return locations.
2553
2554 2009-11-04  Richard Guenther  <rguenther@suse.de>
2555
2556         * c-opts.c (c_common_post_options): Move LTO option processing
2557         code ...
2558         * opts.c (decode_options): ... here.
2559
2560 2009-11-04  Jakub Jelinek  <jakub@redhat.com>
2561
2562         * c-common.c (fold_offsetof_1): Use %wd instead of
2563         HOST_WIDE_INT_PRINT_DEC.
2564
2565 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
2566
2567         * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define
2568         __pic__ or __PIC__.
2569
2570 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
2571
2572         * config.gcc (vax-*-linux*): Keep the original contents of
2573         tmake_file while adding vax/t-linux.
2574
2575 2009-11-03  Eric Botcazou  <ebotcazou@adacore.com>
2576
2577         PR target/10127
2578         PR ada/20548
2579         * expr.h (STACK_CHECK_PROBE_INTERVAL): Delete.
2580         (STACK_CHECK_PROBE_INTERVAL_EXP): New macro.
2581         (STACK_CHECK_MOVING_SP): Likewise.
2582         * system.h (STACK_CHECK_PROBE_INTERVAL): Poison it.
2583         * doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL.
2584         Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP.
2585         * doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK.
2586         Document PROBE_STACK.
2587         * explow.c (anti_adjust_stack_and_probe): New function.
2588         (allocate_dynamic_stack_space): Do not directly allocate space if
2589         STACK_CHECK_MOVING_SP, instead invoke above function.
2590         (emit_stack_probe): Handle probe_stack insn.
2591         (PROBE_INTERVAL): New macro.
2592         (STACK_GROW_OPTAB): Likewise.
2593         (STACK_GROW_OFF): Likewise.
2594         (probe_stack_range): Use Pmode and memory_address consistently.  Fix
2595         loop condition in the small constant case.  Rewrite in the general
2596         case to be immune to wraparounds.  Make sure the address of probes
2597         is valid.  Try to use [base + disp] addressing mode if possible.
2598         * ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack
2599         checking is enabled and STACK_CHECK_MOVING_SP.
2600         * rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled,
2601         return 1 for volatile references to the stack pointer.
2602         * tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on
2603         __builtin_alloca if stack checking is enabled.
2604         * unwind-dw2.c (uw_identify_context): Take into account whether the
2605         context is that of a signal frame or not.
2606         * config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1.
2607         * config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise.
2608
2609 2009-11-03  Jakub Jelinek  <jakub@redhat.com>
2610
2611         PR rtl-optimization/41917
2612         * rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
2613         operand isn't known to be 0, return 1.
2614
2615 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
2616
2617         * config/mips/mips.md: Fix typos.
2618
2619 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
2620
2621         * doc/invoke.texi: Fix typo.
2622
2623 2009-11-03  Paul Brook  <paul@codesourcery.com>
2624
2625         * config/arm/neon.ml (vectype): Add T_floatSF.
2626         (string_of_vectype): Ditto.
2627         * config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
2628         (deftypes): Use float for float32_t.
2629         * config/arm/arm_neon.h: Regenerate.
2630
2631 2009-11-03  Nick Clifton  <nickc@redhat.com>
2632             Kevin Buettner  <kevinb@redhat.com>
2633
2634         * config/rx/predicates.md (rx_store_multiple_vector): Reverse
2635         order of expected registers.
2636         (rx_load_multiple_vector): Likewise.
2637         (rx_rtsd_vector): Likewise.
2638         * config/rx/rx.c (rx_cpu_type): New variable.
2639         (rx_print_operand): Fix bug printing 64-bit constant values.
2640         (rx_emit_stack_pushm): Reverse order of pushed registers.
2641         (gen_rx_store_vector): Likewise.
2642         (is_fast_interrupt_func): Only accept "fast_interrupt" as the
2643         attribute name.
2644         (is_exception_func): Rename to is_interrupt_func and only accept
2645         "interrupt" as the attribute name.
2646         (rx_get_stack_layout): Use new function name.
2647         (rx_func_attr_inlinable): Likewise.
2648         (rx_attribute_table): Remove "exception".
2649         (rx_expand_prologue): If necessary push the accumulator register
2650         in the prologue of interrupt functions.
2651         (rx_expand_epilogue): If necessary pop the accumulator.
2652         (rx_builtins): Add RX_BUILTIN_MVTIPL.
2653         (rx_expand_builtin_stz): Remove.
2654         (rx_expand_builtin_mvtipl): New function.
2655         (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
2656         (rx_expand_builtin): Likewise.
2657         (rx_enable_fpu): New variable.
2658         (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
2659         * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
2660         on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
2661         (enum rx_cpu_types): Define.
2662         (ASM_SPEC): Pass -m32bit-doubles on to assembler.
2663         (INCOMING_FRAME_SP_OFFSET): Define.
2664         (ARG_POINTER_CFA_OFFSET): Define.
2665         (FRAME_POINTER_CFA_OFFSET): Define.
2666         (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
2667         (ALLOW_RX_FPU_INSNS): Define.
2668         * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
2669         fast_math_flags_set_p.
2670         (UNSPEC_BUILTIN_MVTIPL): Define.
2671         (revl): Rename to bswapsi2.
2672         (bswaphi2): New pattern.
2673         (mvtachi): Mark as volatile because it uses a register unknown to GCC.
2674         (mvtaclo): Likewise.
2675         (racw): Likewise.
2676         (mvtc): Remove clobber of cc0.
2677         (mvtcp): Delete.
2678         (opecp): Delete.
2679         * config/rx/rx.opt (mieee): Remove.
2680         (fpu): Add.
2681         (nofpu): Add.
2682         (mcpu=): Add.
2683         (patch=): Add.
2684         (msave-acc-in-interrupts): Add.
2685         * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles.
2686         (MULTILIB_DIRS): Likewise.
2687         (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
2688         * doc/extend.texi: Remove description of "exception" function
2689         attribute.
2690         * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
2691         -msave-acc-in-interrupts options.
2692
2693 2009-11-03  Richard Guenther  <rguenther@suse.de>
2694
2695         * c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.
2696
2697 2009-11-03  Dodji Seketeli  <dodji@redhat.com>
2698
2699         PR c++/38699
2700         * c-common.c (fold_offsetof_1): Issue errors when the member
2701         designator of the offsetof expression is not legitimate.
2702
2703 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
2704
2705         * config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
2706         names instead of numerical constants.
2707         (sse_prologue_save): Ditto.
2708         (*sse_prologue_save_insn): Ditto.
2709
2710 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
2711
2712         PR target/41900
2713         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
2714         (TARGET_CALL_ESP): New define.
2715         * config/i386/i386.c (initial_ix86_tune_features): Initialize
2716         X86_ARCH_CALL_ESP.
2717         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
2718         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
2719         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
2720         TARGET_CALL_ESP.
2721         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
2722         New patterns, use "lsm" as operand 1 constraint.
2723         * config/i386/predicates.md (call_insn_operand): Depend on
2724         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
2725
2726 2009-11-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2727
2728         PR tree-optimization/41857
2729         * tree-flow.h (rewrite_use_address): Add BASE_HINT argument.
2730         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass base hint
2731         to create_mem_ref.
2732         * tree-ssa-address.c (move_hint_to_base): New function.
2733         (most_expensive_mult_to_index): Add TYPE argument.  Use mode and
2734         address space associated with TYPE.
2735         (addr_to_parts): Add TYPE and BASE_HINT arguments.  Pass TYPE to
2736         most_expensive_mult_to_index.  Call move_hint_to_base.
2737         (create_mem_ref): Add BASE_HINT argument.  Pass BASE_HINT and
2738         TYPE to addr_to_parts.
2739
2740 2009-11-02  Martin Jambor  <mjambor@suse.cz>
2741
2742         PR tree-optimization/41750
2743         * tree-sra.c (analyze_modified_params): Loop over all
2744         representatives of components of a parameter.
2745
2746 2009-11-02  Jakub Jelinek  <jakub@redhat.com>
2747
2748         PR tree-optimization/41841
2749         * ipa-struct-reorg.c (build_data_structure): Don't attempt to look at
2750         local variables of not yet materialized clones.
2751
2752         PR debug/41893
2753         * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
2754         for a VOIDmode variable.
2755
2756         PR c++/41774
2757         * c-pragma.c (visstack): Change into vector of ints rather than
2758         enum symbol_visibility.
2759         (push_visibility): Add kind argument, push default_visibility together
2760         with kind.
2761         (pop_visibility): Add kind argument, return true if successful, fail
2762         if visibility stack is empty or if stack top is of different kind.
2763         (handle_pragma_visibility): Don't check length of visstack, instead
2764         call pop_visibility and issue diagnostics if it failed.  Pass 0
2765         as last argument to push_visibility and pop_visibility.
2766         * c-pragma.h (push_visibility): Add kind argument.
2767         (pop_visibility): Likewise.  Return bool instead of void.
2768
2769 2009-11-01  Eric Botcazou  <ebotcazou@adacore.com>
2770
2771         * tree.def (TARGET_MEM_REF): Update comment.
2772         * alias.c (get_alias_set): Retrieve the original memory reference for
2773         a TARGET_MEM_REF before proceeding.
2774
2775 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
2776
2777         * config/frv/frv.c (frv_function_value, frv_libcall_value,
2778         frv_function_value_regno_p): New functions.
2779         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2780         * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
2781         (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p.
2782         * config/frv/frv-protos.h (frv_function_value_regno_p): Declare.
2783
2784 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
2785
2786         * config/mn10300/mn10300.c (mn10300_function_value): Make static, add
2787         new 'outgoing' argument.
2788         (mn10300_libcall_value, mn10300_function_value_regno_p): New functions.
2789         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2790         * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
2791         LIBCALL_VALUE): Remove.
2792         (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p.
2793         * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove.
2794         (mh10300_function_value_regno_p): Declare.
2795
2796 2009-10-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2797
2798         * config/arm/cortex-a9.md: New - integer pipeline description.
2799
2800 2009-10-31  Eric Botcazou  <ebotcazou@adacore.com>
2801
2802         * tree-ssa-sccvn.c (vn_reference_lookup_3): Bail out instead of
2803         aborting if the sizes of the two references don't match.
2804
2805 2009-10-31  Toon Moene  <toon@moene.org>
2806
2807         * ipa-inline.c (cgraph_decide_inlining):
2808         Include reason for not inlining called-once functions in dump file.
2809
2810 2009-10-30  Daniel Gutson  <dgutson@codesourcery.com>
2811
2812         * config/arm/linux-eabi.h (LINK_SPEC): BE8_LINK_SPEC added.
2813         * config/arm/bpapi.h (BE8_LINK_SPEC): New define.
2814         (LINK_SPEC): BE_LINK_SPEC added.
2815
2816 2009-10-30  Richard Guenther  <rguenther@suse.de>
2817
2818         PR lto/41858
2819         * lto-streamer.h (struct lto_file_decl_data): Remove fd member.
2820
2821 2009-10-30  Nathan Sidwell  <nathan@codesourcery.com>
2822
2823         * target-def.h (TARGET_ASM_TTYPE): Correct typo of TARGET_ARM_TTYPE.
2824         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): Remove unused
2825         label.
2826
2827 2009-10-30  Martin Jambor  <mjambor@suse.cz>
2828
2829         * tree-sra.c (build_ref_for_offset_1): Remove a comment.
2830
2831 2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>
2832
2833         PR target/40838
2834         * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
2835         first.  Move assert on stack_alignment_estimated just before
2836         setting stack_realign_needed.
2837         (gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
2838         Don't call update_stack_boundary.
2839
2840         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
2841         (verride_options): Don't check ix86_force_align_arg_pointer here.
2842         (ix86_function_ok_for_sibcall): Use it.
2843         (ix86_update_stack_boundary): Likewise.
2844
2845         * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.
2846
2847 2009-10-30  Richard Earnshaw  <rearnsha@arm.com>
2848
2849         * arm.md (QHSI): New mode iterator.
2850         (movqi): If generating for thumb, then truncate any immediate to
2851         8 bits.
2852         * thumb2.md (thumb2_movsi_shortim and peephole2 generator): Replace
2853         with...
2854         (thumb2_mov<mode>_shortim and peephole2 generator): ... iterator based
2855         version.
2856
2857 2009-10-29  Cary Coutant  <ccoutant@google.com>
2858
2859         PR debug/41700
2860         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hook (two
2861         locations in the source).
2862         (store_vcall_insn): New function.
2863         (lookup_vcall_insn): New function.
2864         (dwarf2out_virtual_call_token): Use store_vcall_insn.
2865         (dwarf2out_copy_call_info): New function.
2866         (dwarf2out_virtual_call): Use lookup_vcall_insn.
2867         * emit-rtl.c (try_split): Call copy_call_info debug hook.
2868         * debug.h (struct gcc_debug_hooks): Add copy_call_info hook.
2869         * debug.c (do_nothing_debug_hooks): Add dummy entry for new hook.
2870         (debug_nothing_rtx_rtx): New dummy hook.
2871         * dbxout.c (dbx_debug_hooks): Add dummy entry for new hook.
2872         (xcoff_debug_hooks): Likewise.
2873         * sdbout.c (sdb_debug_hooks): Likewise.
2874         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
2875
2876 2009-10-29  David Daney  <ddaney@caviumnetworks.com>
2877
2878         * doc/invoke.texi (mmcount-ra-address): Document new command line
2879         option.
2880         * config/mips/mips.opt (mmcount-ra-address): New option.
2881         * config/mips/mips-protos.h (mips_function_profiler): Declare new
2882         function.
2883         * config/mips/mips.c (struct mips_frame_info): Add ra_fp_offset
2884         member.
2885         (mips_for_each_saved_gpr_and_fpr): Set ra_fp_offset.
2886         (mips_function_profiler): Moved from FUNCTION_PROFILER, and
2887         rewritten.
2888         * config/mips/mips.h (FUNCTION_PROFILER): Body of macro moved to
2889         mips_function_profiler.
2890
2891 2009-10-29  Steve Ellcey  <sje@cup.hp.com>
2892
2893         PR middle-end/37565
2894         PR target/38018
2895         * doc/tm.texi (OVERRIDE_OPTIONS): Update.
2896         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
2897         * optc-gen.awk (cl_target_option_restore): Include call to
2898         targetm.override_options_after_change.
2899         * target-def.h (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
2900         * target.h (override_options_after_change): New.
2901         * c-common.c (parse_optimize_options): Call
2902         targetm.override_options_after_change.
2903         * config/ia64/ia64.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
2904         (ia64_override_options_after_change): New.
2905         (ia64_override_options) Add call to above.
2906
2907 2009-10-29  Michael Matz  <matz@suse.de>
2908
2909         * tree-ssa-math-opts.c (execute_convert_to_rsqrt): Remove.
2910         (gate_convert_to_rsqrt): Ditto.
2911         (pass_convert_to_rsqrt): Ditto.
2912         * tree-pass.h (pass_convert_to_rsqrt): Don't declare.
2913         * passes.c (init_optimization_passes): Don't add pass_convert_to_rsqrt
2914         to pass list.
2915
2916         * config/i386/i386.c (ix86_emit_swdivsf): Change evaluation order.
2917
2918 2009-10-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2919
2920         * config/arm/arm.c (find_best_start): Fix type of remainder to be
2921         unsigned.
2922
2923 2009-10-29  Martin Jambor  <mjambor@suse.cz>
2924
2925         PR tree-optimization/41775
2926         * tree-sra.c (build_ref_for_offset): Unshare *expr if not NULL.
2927         (generate_subtree_copies): Do not unshare agg.
2928         (load_assign_lhs_subreplacements): Do not unshare rhs.
2929         (sra_modify_assign): Do not unshare exprs.
2930         (propagate_subacesses_accross_link): Renamed to
2931         propagate_subaccesses_across_link.
2932
2933 2009-10-29  Richard Earnshaw  <rearnsha@arm.com>
2934
2935         * arm.c (count_insns_for_constant): Rework to support counting for
2936         thumb2 immediates as well.
2937         (find_best_start): Split out from arm_gen_constant.
2938         (arm_gen_constant): Rework to support XOR with immediate.
2939
2940 2009-10-29  Chao-ying Fu  <fu@mips.com>
2941
2942         * config/mips/mips.c (mips_emit_unary, mips_force_unary): New
2943         functions.
2944         (mips_expand_synci_loop):  Use the length rtx to control the
2945         synci loop from the begin rtx that points to the first byte of
2946         the cache line.
2947
2948 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
2949
2950         * doc/invoke.texi: Rename -use-linker-plugin -fuse-linker-plugin.
2951
2952 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
2953
2954         * dbxout.c (dbxout_common_check): Accept non public trees.
2955         * dwarf2out.c (fortran_common): Accept non public trees.
2956
2957 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
2958
2959         * common.opt (fuse-linker-plugin): New option.
2960         * gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
2961         fuse-linker-plugin.
2962         * opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
2963
2964 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
2965
2966         PR rtl-optimization/39715
2967         * config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1.
2968         (gen_cstoresi_ltu_thumb1): New splitter.
2969
2970 2009-10-28  Richard Guenther  <rguenther@suse.de>
2971
2972         PR lto/41808
2973         PR lto/41839
2974         * tree-ssa.c (useless_type_conversion_p): Do not treat
2975         conversions to pointers to incomplete types as useless.
2976         * gimple.c (gimple_types_compatible_p): Compare struct tags,
2977         not typedef names.
2978
2979 2009-10-28  Jakub Jelinek  <jakub@redhat.com>
2980
2981         * var-tracking.c (emit_note_insn_var_location): Don't call the second
2982         vt_expand_loc unnecessarily when location is not a register nor
2983         memory.
2984
2985         PR middle-end/41837
2986         * ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
2987         fields don't have DECL_NAME.
2988
2989         PR debug/41801
2990         * builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
2991         call convert_memory_address on addr.
2992
2993         PR target/41762
2994         * config/i386/i386.c (ix86_pic_register_p): Don't call
2995         rtx_equal_for_cselib_p for VALUEs discarded as useless.
2996
2997 2009-10-28  Richard Sandiford  <rdsandiford@googlemail.com>
2998
2999         * var-tracking.c (emit_note_insn_var_location): Get the mode of
3000         a variable part from its REG, MEM or VALUE.
3001
3002 2009-10-28  Richard Guenther  <rguenther@suse.de>
3003
3004         * gimple.c (gimple_get_alias_set): Fix comment typo.
3005
3006 2009-10-28  Richard Guenther  <rguenther@suse.de>
3007
3008         * tree.c (free_lang_data_in_type): Do not call get_alias_set.
3009         (free_lang_data): Unconditionally compute alias sets for all
3010         standard integer types.  Bail out if gate bailed out previously.
3011         Do not reset the types_compatible_p langhook.
3012         (gate_free_lang_data): Remove.
3013         (struct pass_ipa_free_lang_data): Enable unconditionally.
3014         * gimple.c (gimple_get_alias_set): Use the same alias-set for
3015         all pointer types.
3016
3017 2009-10-28  Richard Guenther  <rguenther@suse.de>
3018
3019         PR middle-end/41855
3020         * tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs
3021         (ref_maybe_used_by_call_p_1): Fix bcopy handling.
3022         (call_may_clobber_ref_p_1): Likewise.
3023         * tree-ssa-structalias.c (find_func_aliases): Likewise.
3024         * alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs.
3025
3026 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
3027
3028         PR rtl-optimization/41812
3029
3030         Revert:
3031         2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
3032
3033         * df-problems.c (df_md_scratch): New.
3034         (df_md_alloc, df_md_free): Allocate/free it.
3035         (df_md_local_compute): Only include live registers in init.
3036         (df_md_transfer_function): Prune the in-set computed by
3037         the confluence function, and the gen-set too.
3038
3039 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
3040
3041         PR rtl-optimization/39715
3042         * combine.c (simplify_comparison): Use extensions to
3043         widen comparisons.  Try an ANDing first.
3044
3045 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
3046
3047         PR rtl-optimization/40741
3048         * config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
3049         a small constant is cheap.
3050         * config/arm/arm.md (andsi3, iorsi3): Try to place the result of
3051         force_reg on the LHS.
3052         (xorsi3): Likewise, and split the XOR if the constant is complex
3053         and not in Thumb mode.
3054
3055 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
3056
3057         * expmed.c (emit_store_flag): Check costs before
3058         transforming to the opposite representation.
3059
3060 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
3061
3062         * config/sh/sh.md (cbranchfp4_media): Remove hack extending
3063         cstore result to DImode.
3064
3065 2009-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3066
3067         * config/sh/sh.md (stuff_delay_slot): Move const_int pattern
3068         inside the unspec vector.
3069
3070 2009-10-27  Richard Henderson  <rth@redhat.com>
3071
3072         * cgraphunit.c (cgraph_optimize): Maintain timevar stack properly.
3073
3074 2009-10-27  Richard Henderson  <rth@redhat.com>
3075
3076         PR c++/41819
3077         * tree-eh.c (eh_region_may_contain_throw_map): Rename from
3078         eh_region_may_contain_throw; update users.
3079         (eh_region_may_contain_throw): New function.
3080         (lower_catch): Check flag_exceptions before creating exception region.
3081         (lower_eh_filter, lower_eh_must_not_throw): Likewise.
3082         (lower_cleanup): Tidy existing flag_exceptions check to match.
3083
3084 2009-10-27  Kai Tietz <kai.tietz@onevision.com>
3085
3086         PR/41799
3087         * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro.
3088         * config/i386/mingw.opt: Add fset-stack-executable.
3089         * config/i386/i386.c (ix86_trampoline_init): Make call to
3090         emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is
3091         defined and its value is not zero.
3092         * doc/invoke.texi
3093
3094 2009-10-27  Richard Guenther  <rguenther@suse.de>
3095
3096         * tree-ssa-structalias.c (find_func_aliases): In IPA mode
3097         handle calls to externally visible functions like in regular mode.
3098         (create_variable_info_for): Do not create function infos here.
3099         (have_alias_info): Remove write-only variable.
3100         (solve_constraints): New function split out from common code
3101         in compute_points_to_sets and ipa_pta_execute.
3102         (compute_points_to_sets): Adjust.
3103         (ipa_pta_execute): Likewise.  Handle clones and externally visible
3104         functions like in non-IPA mode.
3105
3106 2009-10-27  Jakub Jelinek  <jakub@redhat.com>
3107
3108         PR c/41842
3109         * c-typeck.c (convert_arguments): Return -1 if any of the arguments is
3110         error_mark_node.
3111
3112 2009-10-27  Richard Guenther  <rguenther@suse.de>
3113
3114         * tree-complex.c (expand_complex_div_wide): Check for
3115         INTEGER_CST, not TREE_CONSTANT on comparison folding result.
3116
3117 2009-10-27  Revital Eres  <eres@il.ibm.com>
3118
3119         PR tree-optimization/40648
3120         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
3121         Change decision of when to peel for alignment.
3122
3123 2009-10-27  Richard Guenther  <rguenther@suse.de>
3124
3125         PR lto/41821
3126         * gimple.c (gimple_types_compatible_p): Handle OFFSET_TYPE.
3127
3128 2009-10-27  Aldy Hernandez  <aldyh@redhat.com>
3129
3130         PR bootstrap/41451
3131         * fold-const.c (fold_binary_loc): Do not call
3132         protected_set_expr_location.
3133
3134 2009-10-27  Wei Guozhi  <carrot@google.com>
3135
3136         PR target/41705
3137         * target.h (have_conditional_execution): Add a new target hook
3138         function.
3139         * target-def.h (TARGET_HAVE_CONDITIONAL_EXECUTION): Likewise.
3140         * targhooks.h (default_have_conditional_execution): Likewise.
3141         * targhooks.c (default_have_conditional_execution): Likewise.
3142         * doc/tm.texi (TARGET_HAVE_CONDITIONAL_EXECUTION): Document it.
3143         * config/arm/arm.c (TARGET_HAVE_CONDITIONAL_EXECUTION): Define it.
3144         (arm_have_conditional_execution): New function.
3145         * ifcvt.c (noce_process_if_block, find_if_header,
3146         cond_exec_find_if_block, dead_or_predicable): Change the usage of
3147         macro HAVE_conditional_execution to a target hook call.
3148         * recog.c (peephole2_optimize): Likewise.
3149         * sched-rgn.c (add_branch_dependences): Likewise.
3150         * final.c (asm_insn_count, final_scan_insn): Likewise.
3151         * bb-reorder.c (HAVE_conditional_execution): Remove it.
3152
3153 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3154             Michael Meissner  <meissner@linux.vnet.ibm.com>
3155             Ulrich Weigand  <uweigand@de.ibm.com>
3156
3157         * config.gcc (spu-*-elf*): Add spu_cache.h to extra_headers.
3158         * config/spu/spu_cache.h: New file.
3159
3160         * config/spu/cachemgr.c: New file.
3161         * config/spu/cache.S: New file.
3162
3163         * config/spu/spu.h (ASM_OUTPUT_SYMBOL_REF): Define.
3164         (ADDR_SPACE_EA): Define.
3165         (TARGET_ADDR_SPACE_KEYWORDS): Define.
3166         * config/spu/spu.c (EAmode): New macro.
3167         (TARGET_ADDR_SPACE_POINTER_MODE): Define.
3168         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
3169         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Likewise.
3170         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
3171         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3172         (TARGET_ADDR_SPACE_CONVERT): Likewise.
3173         (TARGET_ASM_SELECT_SECTION): Likewise.
3174         (TARGET_ASM_UNIQUE_SECTION): Likewise.
3175         (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
3176         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
3177         (ea_symbol_ref): New function.
3178         (spu_legitimate_constant_p): Handle __ea qualified addresses.
3179         (spu_addr_space_legitimate_address_p): New function.
3180         (spu_addr_space_legitimize_address): Likewise.
3181         (cache_fetch): New global.
3182         (cache_fetch_dirty): Likewise.
3183         (ea_alias_set): Likewise.
3184         (ea_load_store): New function.
3185         (ea_load_store_inline): Likewise.
3186         (expand_ea_mem): Likewise.
3187         (spu_expand_mov): Handle __ea qualified memory references.
3188         (spu_addr_space_pointer_mode): New function.
3189         (spu_addr_space_address_mode): Likewise.
3190         (spu_addr_space_subset_p): Likewise.
3191         (spu_addr_space_convert): Likewise.
3192         (spu_section_type_flags): Handle "._ea" section.
3193         (spu_select_section): New function.
3194         (spu_unique_section): Likewise.
3195         * config/spu/spu-c.c (spu_cpu_cpp_builtins): Support __EA32__
3196         and __EA64__ predefined macros.
3197         * config/spu/spu-elf.h (LIB_SPEC): Handle -mcache-size= and
3198         -matomic-updates switches.
3199
3200         * config/spu/t-spu-elf (MULTILIB_OPTIONS): Define.
3201         (EXTRA_MULTILIB_PARTS): Add libgcc_cachemgr.a,
3202         libgcc_cachemgr_nonatomic.a, libgcc_cache8k.a, libgcc_cache16k.a,
3203         libgcc_cache32k.a, libgcc_cache64k.a, libgcc_cache128k.a.
3204         ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o): New target.
3205         ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache64k.o,
3206         $(T)cache128k.o): Likewise.
3207         ($(T)libgcc_%.a): Likewise.
3208
3209         * config/spu/spu.h (TARGET_DEFAULT): Add MASK_ADDRESS_SPACE_CONVERSION.
3210         * config/spu/spu.opt (-mea32/-mea64): Add switches.
3211         (-maddress-space-conversion): Likewise.
3212         (-mcache-size=): Likewise.
3213         (-matomic-updates): Likewise.
3214         * doc/invoke.texi (-mea32/-mea64): Document.
3215         (-maddress-space-conversion): Likewise.
3216         (-mcache-size=): Likewise.
3217         (-matomic-updates): Likewise.
3218
3219 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3220             Michael Meissner  <meissner@linux.vnet.ibm.com>
3221             Ulrich Weigand  <uweigand@de.ibm.com>
3222
3223         * doc/tm.texi (TARGET_ADDR_SPACE_KEYWORDS): Document.
3224
3225         * c-common.c (c_common_reswords): If TARGET_ADDR_SPACE_KEYWORDS is
3226         defined, add the named address space keywords.
3227         (c_addr_space_name): New function.
3228         (complete_array_type): Preserve named address space.
3229         (handle_mode_attribute): Use targetm.addr_space.valid_pointer_mode
3230         instead of targetm.valid_pointer_mode.
3231
3232         * c-common.h (enum rid): Add RID_ADDR_SPACE_0 .. RID_ADDR_SPACE_15,
3233         RID_FIRST_ADDR_SPACE and RID_LAST_ADDR_SPACE.
3234         (ADDR_SPACE_KEYWORD): New macro.
3235         (c_addr_space_name): Add prototype.
3236
3237         * c-tree.h (struct c_declspecs): Add address_space member.
3238         (declspecs_add_addrspace): Add prototype.
3239
3240         * c-pretty-print.c (pp_c_type_qualifier_list): Handle address spaces.
3241
3242         * c-parser.c (c_parse_init): Add assertion.
3243         (typedef enum c_id_kind): Add C_ID_ADDRSPACE.
3244         (c_lex_one_token): Handle address space keywords.
3245         (c_token_starts_typename): Likewise.
3246         (c_token_starts_declspecs): Likewise.
3247         (c_parser_declspecs): Likewise.
3248         (c_parser_postfix_expression_after_paren_type): Diagnose compound
3249         literal within function qualified with named address space.
3250
3251         * c-decl.c (diagnose_mismatched_decls): Diagnose conflicting named
3252         address space qualifiers.
3253         (shadow_tag_warned): Warn about useless address space qualifiers.
3254         (quals_from_declspecs): Handle address space qualifiers.
3255         (grokdeclarator): Likewise.
3256         (build_null_declspecs): Likewise.
3257         (declspecs_add_addrspace): New function.
3258
3259         * c-typeck.c (addr_space_superset): New function.
3260         (qualify_type): Handle named address spaces.
3261         (composite_type): Likewise.
3262         (common_pointer_type): Likewise.
3263         (comp_target_types): Likewise.
3264         (build_conditional_expr): Likewise.
3265         (handle_warn_cast_qual): Likewise.
3266         (build_c_cast): Likewise.
3267         (convert_for_assignment): Likewise.
3268         (build_binary_op): Likewise.
3269         (pointer_diff): Handle named address spaces.  Use intermediate
3270         integer type of sufficient size if required.
3271
3272 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3273             Michael Meissner  <meissner@linux.vnet.ibm.com>
3274             Ulrich Weigand  <uweigand@de.ibm.com>
3275
3276         * doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
3277         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
3278         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
3279
3280         * target.h (struct target_def): Add pointer_mode, address_mode,
3281         and valid_pointer_mode to addr_space substructure.
3282         * target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
3283         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
3284         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
3285         (TARGET_ADDR_SPACE_HOOKS): Add them.
3286         * targhooks.c (target_default_pointer_address_modes_p): New function.
3287         * target.h (target_default_pointer_address_modes_p): Add prototype.
3288         * targhooks.c (default_addr_space_pointer_mode): New function.
3289         (default_addr_space_address_mode): Likewise.
3290         (default_addr_space_valid_pointer_mode): Likewise.
3291         * targhooks.h (default_addr_space_pointer_mode): Add prototype.
3292         (default_addr_space_address_mode): Likewise.
3293         (default_addr_space_valid_pointer_mode): Likewise.
3294         * output.h (default_valid_pointer_mode): Move to ...
3295         * targhooks.h (default_valid_pointer_mode): ... here.
3296         * varasm.c (default_valid_pointer_mode): Move to ...
3297         * targhooks.c (default_valid_pointer_mode): ... here.
3298
3299         * varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
3300         instead of targetm.valid_pointer_mode.
3301
3302         * fold-const.c (fit_double_type): Use int_or_pointer_precision.
3303         * tree.c (integer_pow2p): Likewise.
3304         (tree_log2): Likewise.
3305         (tree_floor_log2): Likewise.
3306         (signed_or_unsigned_type_for): Support pointer type of different size.
3307         (int_or_pointer_precision): New function.
3308         * tree.h (int_or_pointer_precision): Add prototype.
3309         * stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
3310         * varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
3311         incoming pointer type instead of POINTER_SIZE.
3312
3313         * tree.c (build_pointer_type): Use appropriate pointer mode
3314         instead of ptr_mode.
3315         (build_reference_type): Likewise.
3316         * expr.c (store_expr): Likewise.
3317         (expand_expr_addr_expr): Likewise.
3318         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
3319         * cfgexpand.c (expand_debug_expr): Likewise.
3320
3321         * auto-inc-dec.c: Include "target.h".
3322         (try_merge): Use appropriate address mode instead of Pmode.
3323         (find_inc): Likewise.
3324         * combine.c (find_split_point): Likewise.
3325         * cselib.c (cselib_record_sets): Likewise.
3326         * dse.c (replace_inc_dec): Likewise.
3327         (canon_address): Likewise.
3328         * var-tracking.c (replace_expr_with_values): Likewise.
3329         (count_uses): Likewise.
3330         (add_uses): Likewise.
3331         (add_stores): Likewise.
3332         * emit-rtl.c: Include "target.h".
3333         (adjust_address_1): Use appropriate address mode instead of Pmode.
3334         (offset_address): Likewise.
3335         * explow.c (break_out_memory_refs): Likewise.
3336         (memory_address_addr_space): Likewise.
3337         (promote_mode): Likewise.
3338         * expr.c (move_by_pieces): Likewise.
3339         (emit_block_move_via_loop): Likewise.
3340         (store_by_pieces): Likewise.
3341         (store_by_pieces_1): Likewise.
3342         (expand_assignment): Likewise.
3343         (store_constructor): Likewise.
3344         (expand_expr_addr_expr): Likewise.
3345         (expand_expr_real_1): Likewise.
3346         * cfgexpand.c (expand_debug_expr): Likewise.
3347         * ifcvt.c (noce_try_cmove_arith): Likewise.
3348         * regcprop.c (kill_autoinc_value): Likewise.
3349         * regmove.c (try_auto_increment): Likewise.
3350         * reload.c (find_reloads): Likewise.
3351         (find_reloads_address): Likewise.
3352         (find_reloads_address_1): Likewise.
3353         * sched-deps.c: Include "target.h".
3354         (sched_analyze_1): Use appropriate address mode instead of Pmode.
3355         (sched_analyze_2): Likewise.
3356         * sel-sched-dump.c: Include "target.h".
3357         (debug_mem_addr_value): Use appropriate address mode instead of Pmode.
3358         * stor-layout.c (layout_type): Likewise.
3359         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3360         (multiplier_allowed_in_address_p): Likewise.
3361         (get_address_cost): Likewise.
3362         * varasm.c (make_decl_rtl): Likewise.
3363
3364         * expr.c (expand_assignment): Always convert offsets to appropriate
3365         address mode.
3366         (store_expr): Likewise.
3367         (store_constructor): Likewise.
3368         (expand_expr_real_1): Likewise.
3369
3370         * reload.h (form_sum): Add MODE argument.
3371         * reload.c (form_sum): Add MODE argument, use it instead of Pmode.
3372         Update recursive calls.
3373         (subst_indexed_address): Update calls to form_sum.
3374
3375         * tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
3376         * tree-ssa-address.c: Include "target.h".
3377         (templates): Replace by ...
3378         (mem_addr_template_list): ... this new vector.
3379         (TEMPL_IDX): Handle address space numbers.
3380         (gen_addr_rtx): Add address mode argument, use it instead of Pmode.
3381         (addr_for_mem_ref): Add ADDRSPACE argument.  Use per-address-space
3382         instead of global cache.  Update call to gen_addr_rtx.
3383         (valid_mem_ref_p): Update call to addr_for_mem_ref.
3384         * expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
3385
3386         * rtl.h (convert_memory_address_addr_space): Add prototype.
3387         (convert_memory_address): Define as macro.
3388         * explow.c (convert_memory_address): Rename to ...
3389         (convert_memory_address_addr_space): ... this.  Add ADDRSPACE argument.
3390         Use appropriate pointer and address modes instead of ptr_mode / Pmode.
3391         Update recursive calls.
3392         (memory_address_addr_space): Call convert_memory_address_addr_space.
3393         * expmed.c (make_tree): Likewise.
3394         * expr.c (expand_assignment): Likewise.
3395         (expand_expr_addr_expr_1): Likewise.  Also, add ADDRSPACE argument.
3396         (expand_expr_addr_expr): Likewise.  Also, update call.
3397
3398         * alias.c (find_base_value): Guard pointer size optimizations.
3399         (find_base_term): Likewise.
3400         * rtlanal.c (nonzero_bits1): Likewise.
3401         (num_sign_bit_copies1): Likewise.
3402         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3403
3404         * Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
3405         (emit-rtl.o): Likewise.
3406         (auto-inc-dec.o): Likewise.
3407         (sched-deps.o): Likewise.
3408
3409 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3410             Michael Meissner  <meissner@linux.vnet.ibm.com>
3411             Ulrich Weigand  <uweigand@de.ibm.com>
3412
3413         * doc/extend.texi (Named Address Spaces): New section.
3414         * coretypes.h (addr_space_t): New type.
3415         (ADDR_SPACE_GENERIC): New define.
3416         (ADDR_SPACE_GENERIC_P): New macro.
3417
3418         * doc/tm.texi (Named Address Spaces): New section.
3419         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document.
3420         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document.
3421         (TARGET_ADDR_SPACE_SUBSET_P): Document.
3422         (TARGET_ADDR_SPACE_CONVERT): Document.
3423         * target.h (struct gcc_target): Add addr_space substructure.
3424         * target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.
3425         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
3426         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3427         (TARGET_ADDR_SPACE_CONVERT): Likewise.
3428         (TARGET_ADDR_SPACE_HOOKS): Likewise.
3429         (TARGET_INITIALIZER): Initialize addr_space hooks.
3430         * targhooks.c (default_addr_space_legitimate_address_p): New function.
3431         (default_addr_space_legitimize_address): Likewise.
3432         (default_addr_space_subset_p): Likewise.
3433         (default_addr_space_convert): Likewise.
3434         * targhooks.h (default_addr_space_legitimate_address_p): Add prototype.
3435         (default_addr_space_legitimize_address): Likewise.
3436         (default_addr_space_subset_p): Likewise.
3437         (default_addr_space_convert): Likewise.
3438
3439         * doc/rtl.texi (MEM_ADDR_SPACE): Document.
3440         * rtl.h (mem_attrs): Add ADDRSPACE memory attribute.
3441         (MEM_ADDR_SPACE): New macro.
3442         * emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set
3443         address space memory attribute.
3444         (mem_attrs_htab_hash): Handle address space memory attribute.
3445         (mem_attrs_htab_eq): Likewise.
3446         (set_mem_attributes_minus_bitpos): Likewise.
3447         (set_mem_alias_set): Likewise.
3448         (set_mem_align): Likewise.
3449         (set_mem_expr): Likewise.
3450         (set_mem_offset): Likewise.
3451         (set_mem_size): Likewise.
3452         (adjust_address_1): Likewise.
3453         (offset_address): Likewise.
3454         (widen_memoy_address): Likewise.
3455         (get_spill_slot_decl): Likewise.
3456         (set_mem_attrs_for_spill): Likewise.
3457         (set_mem_addr_space): New function.
3458         * emit-rtl.h (set_mem_addr_space): Add prototype.
3459         * print-rtl.c (print_rtx): Print address space memory attribute.
3460         * expr.c (expand_assignment): Set address space memory attribute
3461         of generated MEM RTXes as appropriate.
3462         (expand_expr_real_1): Likewise.
3463         * cfgexpand.c (expand_debug_expr): Likewise.
3464         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3465
3466         * tree.h (struct tree_base): Add address_space bitfield.  Reduce
3467         size of "spare" bitfield.
3468         (TYPE_ADDR_SPACE): New macro.
3469         (ENCODE_QUAL_ADDR_SPACE): Likewise.
3470         (DECODE_QUAL_ADDR_SPACE): Likewise.
3471         (CLEAR_QUAL_ADDR_SPACE): Likewise.
3472         (KEEP_QUAL_ADDR_SPACE): Likewise.
3473         (TYPE_QUALS): Encode type address space.
3474         (TYPE_QUALS_NO_ADDR_SPACE): New macro.
3475         * tree.c (set_type_quals): Set type address space.
3476         (build_array_type): Inherit array address space from element type.
3477         * print-tree.c (print_node_brief): Print type address space.
3478         (print_node): Likewise.
3479         * tree-pretty-print.c (dump_generic_node): Likewise.
3480
3481         * explow.c (memory_address): Rename to ...
3482         (memory_address_addr_space): ... this.  Add ADDRSPACE argument.
3483         Use address-space aware variants of memory address routines.
3484         * recog.c (memory_address_p): Rename to ...
3485         (memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
3486         Use address-space aware variants of memory address routines.
3487         (offsettable_address_p): Rename to ...
3488         (offsettable_address_addr_space_p): ... this.  Add ADDRSPACE argument.
3489         Use address-space aware variants of memory address routines.
3490         * reload.c (strict_memory_address_p): Rename to ...
3491         (strict_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
3492         Use address-space aware variants of memory address routines.
3493         (maybe_memory_address_p): Rename to ...
3494         (maybe_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
3495         Use address-space aware variants of memory address routines.
3496         * expr.h (memory_address_addr_space): Add prototype.
3497         (memory_address): Define as macro.
3498         * recog.h (memory_address_addr_space_p): Add prototype.
3499         (memory_address_p): Define as macro.
3500         (offsettable_address_addr_space_p): Add prototype.
3501         (offsettable_address_p): Define as macro.
3502         (strict_memory_address_addr_space_p): Add prototype.
3503         (strict_memory_address_p): Define as macro.
3504
3505         * combine.c (find_split_point): Use address-space aware variants
3506         of memory address routines.
3507         * emit-rtl.c (operand_subword): Likewise.
3508         (change_address_1): Likewise.
3509         (adjust_address_1): Likewise.
3510         (offset_address): Likewise.
3511         * expr.c (emit_move_insn): Likewise.
3512         (expand_assignment): Likewise.
3513         (expand_expr_real_1): Likewise.
3514         * recog.c (verify_changes): Likewise.
3515         (general_operand): Likewise.
3516         (offsettable_memref_p): Likewise.
3517         (offsettable_nonstrict_memref_p): Likewise.
3518         (constrain_operands): Likewise.
3519         * reload.c (get_secondary_mem): Likewise.
3520         (find_reloads_toplev): Likewise.
3521         (find_reloads_address): Likewise.
3522         (find_reloads_subreg_address): Likewise.
3523         * reload1.c (reload): Likewise.
3524         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
3525         * rtl.h (address_cost): Add ADDRSPACE argument.
3526         * rtlanal.c (address_cost): Add ADDRSPACE argument.  Use address-space
3527         aware variant of memory address routines.
3528         * loop-invariant.c (create_new_invariant): Update address_cost call.
3529         * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
3530         * fwprop.c (should_replace_address): Add ADDRSPACE argument.
3531         Use address-space aware variant of memory address routines.
3532         (propagate_rtx_1): Update call to should_replace_address.
3533         * tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE
3534         argument.
3535         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add
3536         ADDRSPACE argument.  Use per-address-space instead of global cache.
3537         Use address-space aware variant of memory address routines.
3538         (get_address_cost): Likewise.
3539         (get_computation_cost_at): Update calls.
3540         * tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument.
3541         Use address-space aware variant of memory address routines.
3542         (create_mem_ref_raw): Update call to valid_mem_ref_p.
3543         (most_expensive_mult_to_index): Update call to
3544         multiplier_allowed_in_address_p.
3545
3546         * dwarf2out.c (modified_type_die): Output DW_AT_address_class
3547         attribute to indicate named address spaces.
3548
3549         * varasm.c (get_variable_section): DECLs in named address spaces
3550         cannot be "common".
3551
3552         * reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS
3553         for addresses in a non-generic address space.
3554
3555         * expr.c (emit_block_move_hints): Do not use libcalls for
3556         memory in non-generic address spaces.
3557         (clear_storage_hints): Likewise.
3558         (expand_assignment): Likewise.
3559
3560         * fold-const.c (operand_equal_p): Expressions refering to different
3561         address spaces are not equivalent.
3562
3563         * rtl.c (rtx_equal_p_cb): MEMs refering to different address
3564         spaces are not equivalent.
3565         (rtx_equal_p): Likewise.
3566         * cse.c (exp_equiv_p): Likewise.
3567         * jump.c (rtx_renumbered_equal_p): Likewise.
3568         * reload.c (operands_match_p): Likewise.
3569
3570         * alias.c (nonoverlapping_memrefs_p): MEMs refering to different
3571         address spaces may alias.
3572         (true_dependence): Likewise.
3573         (canon_true_dependence): Likewise.
3574         (write_dependence_p): Likewise.
3575
3576         * dse.c (canon_address): Handle named address spaces.
3577         * ifcvt.c (noce_try_cmove_arith): Likewise.
3578
3579         * tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code.
3580         * expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR.
3581         * convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR
3582         to handle conversions between different address spaces.
3583         * fold-const.c (fold_convert_loc): Likewise.
3584         (fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR.
3585         * tree-pretty-print.c (dump_generic_node): Likewise.
3586         * gimple-pretty-print.c (dump_unary_rhs): Likewise.
3587         * tree-cfg.c (verify_gimple_assign_unary): Likewise.
3588         * tree-inline.c (estimate_operator_cost): Likewise.
3589         * tree-ssa.c (useless_type_conversion_p): Conversions between pointers
3590         to different address spaces are not useless.
3591
3592 2009-10-26  Jakub Jelinek  <jakub@redhat.com>
3593
3594         PR bootstrap/41345
3595         * cfgcleanup.c (trivially_empty_bb_p): New function.
3596         (try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.
3597
3598         PR debug/41828
3599         * dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die,
3600         add_name_and_src_coords_attributes, gen_namespace_die,
3601         dwarf2out_set_name): Handle dwarf2_name returning NULL.
3602
3603 2009-10-26  Nick Clifton  <nickc@redhat.com>
3604
3605         * config.gcc: Add support for RX target.
3606         * config/rx: New directory.
3607         * config/rx/constraints.md: New file.
3608         * config/rx/predicates.md: New file.
3609         * config/rx/rx.c: New file.
3610         * config/rx/rx.h: New file.
3611         * config/rx/rx.md: New file.
3612         * config/rx/rx.opt: New file.
3613         * config/rx/rx-protos.h: New file.
3614         * config/rx/t-rx: New file.
3615         * doc/extend.texi: Document RX function attributes.
3616         * doc/invoke.texi: Document RX specific command line options.
3617         * doc/contrib.texi: Document RX contribution.
3618         * doc/md.texi: Document RX constraints.
3619         * doc/install.texi: Document RX support.
3620
3621 2009-10-26  Michael Matz  <matz@suse.de>
3622
3623         PR tree-optimization/41783
3624         * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
3625         case for simple diamonds.
3626         * tree-ssa-alias.h (get_continuation_for_phi): Declare.
3627         * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
3628         argument, use alias oracle to skip some vdefs.
3629         (phi_translate_1): Change call to above, don't allocate new
3630         value ids if they can stay the same.
3631         (compute_avail): Allow vuse walking when looking up references.
3632
3633 2009-10-26  Richard Guenther  <rguenther@suse.de>
3634
3635         PR tree-optimization/41826
3636         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
3637         access to re-allocated vector fields.
3638
3639 2009-10-26  Richard Guenther  <rguenther@suse.de>
3640
3641         * graphite-sese-to-poly.c (check_poly_representation): Fix
3642         compile without checking.
3643
3644 2009-10-26  Janus Weil  <janus@gcc.gnu.org>
3645
3646         PR fortran/41714
3647         * gimple.h (tree_annotate_all_with_location): Remove prototype.
3648         * gimplify.c (tree_should_carry_location_p,
3649         tree_annotate_one_with_location,tree_annotate_all_with_location):
3650         Remove obsolete functions.
3651
3652 2009-10-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3653
3654         PR target/41813
3655         * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.
3656
3657 2009-10-25  Richard Guenther  <rguenther@suse.de>
3658
3659         * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
3660         Stream DECL_RESTRICTED_P.
3661         * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
3662
3663 2009-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
3664
3665         * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
3666         a note when expanding to nothing.
3667
3668 2009-10-25  Richard Guenther  <rguenther@suse.de>
3669
3670         PR middle-end/41814
3671         * tree.c (find_decls_types_r): Deal with Java overloading
3672         BINFO_VIRTUALS for its own purpose.
3673
3674 2009-10-24  Adam Nemet  <anemet@caviumnetworks.com>
3675
3676         * config/mips/predicates.md (hilo_operand): New predicate.
3677         * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
3678         define_insn.  Correct !ISA_HAS_EXT_INS length from 24 to 28.  Move
3679         splitter part from here ...:
3680         (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here.  Swap
3681         op0 and op4 to match the DINS case.
3682         (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.
3683
3684 2009-10-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
3685
3686         PR middle-end/19154
3687         * avr.md (QIDI): Add new mode iterator.
3688         (sbrx_branch<mode>): Create new zero extract bit, test and jump
3689         patterns for all QI thru DI modes combinations.
3690         (sbrx_and_branch<mode>): Create new and based bit test and jump
3691         patterns for QI thru SI modes.
3692         avr.c (avr_out_sbxx_branch): Use only bit number.
3693
3694 2009-10-24  Jan Hubicka  <jh@suse.cz>
3695
3696         * ipa-reference.c (check_call): Noreturn notrhow calls do not write
3697         to memory.
3698         (analyze_function): When analyzing noreturn nothrow call, do not
3699         compute written stats; free bitmaps of vars early if possible.
3700         (generate_summary): Only update bitmaps if computed.
3701         (propagate): Only dump bitmaps if computed.
3702         (ipa_reference_read_summary): Fix pasto.
3703
3704 2009-10-24  Eric Botcazou  <ebotcazou@adacore.com>
3705
3706         * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
3707         (aliasing_component_refs_p): ...this.  Return true if there is no
3708         common base and the base access types have the same alias set.
3709         (indirect_ref_may_alias_decl_p): Adjust for above renaming.
3710         (indirect_refs_may_alias_p): Likewise.
3711
3712 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
3713
3714         PR c/40033
3715         * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
3716         a C_MAYBE_CONST_EXPR.
3717
3718 2009-10-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3719
3720         PR target/41787
3721         * config/rs6000/rs6000.c (struct machine_function): Add
3722         vsx_or_altivec_used_p to record if vector types are used.
3723         (rs6000_expand_to_rtl_hook): Rename from
3724         rs6000_alloc_sdmode_stack_slot.  If VSX, check to see if there are
3725         any vector operations, so if there are, we can set VRSAVE to
3726         non-zero when only floating point vector registers are used.
3727         (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
3728         (rs6000_check_vector_mode): Inner function to check if vector
3729         types are used in the code.
3730         (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
3731         vector instructions are used.
3732
3733         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
3734         Indicate that VSX registers which overlap floating point
3735         registers, can't be used across a call, since the ABI only states
3736         the scalar part of the register will be saved and restored.
3737
3738 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
3739
3740         PR c/41673
3741         * alias.c (get_alias_set): Call langhook before returning 0 for
3742         types with structural equality.
3743         * c-common.c (c_common_get_alias_set): Use alias set of element
3744         type for arrays with structural comparison.
3745
3746 2009-10-23  Richard Guenther  <rguenther@suse.de>
3747
3748         PR middle-end/41805
3749         * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
3750         gimple_call_nothrow_p.
3751
3752 2009-10-23  Richard Guenther  <rguenther@suse.de>
3753
3754         PR tree-optimization/41778
3755         * tree-ssa-pre.c (do_regular_insertion): Only insert if a
3756         redundancy along a path in the CFG we want to optimize for speed
3757         is going to be removed.
3758         (execute_pre): Do partial-PRE only if the function is to be
3759         optimized for speed.
3760         (gate_pre): Do not turn off all of PRE when not optimizing a
3761         function for speed.
3762
3763 2009-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3764
3765         * builtins.c (fold_builtin_cabs): Use validate_arg().
3766         (fold_builtin_cexp): Fix if-logic.
3767         (fold_builtin_1): Check subtype for BUILT_IN_CIMAG.
3768
3769 2009-10-22  Jeff Law  <law@redhat.com>
3770
3771         * ira-lives.c (process_single_reg_class_operands): Update the
3772         hard reg costs for all the hard registers desired by the
3773         single reg class operand.
3774
3775 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
3776
3777         * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
3778         for rtxes that aren't handled specially.
3779
3780 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
3781
3782         * rtl.h (shallow_copy_rtvec): Declare.
3783         * rtl.c (shallow_copy_rtvec): New function.
3784         * cselib.c (cselib_subst_to_values): Use it.  Only modify an
3785         rtx field if the subrtx has changed.
3786
3787 2009-10-22  Anatoly Sokolov  <aesok@post.ru>
3788
3789         * config/m32c/m32c.c (m32c_function_value_regno_p): New function.
3790         (m32c_function_value): Make static, add new 'outgoing' argument.
3791         (m32c_libcall_value): Make static, add new 'fun' argument.
3792         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
3793         * config/m32c/m32c.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
3794         (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p.
3795         * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare.
3796         (m32c_function_value, m32c_libcall_value): Delete declaration.
3797
3798 2009-10-22  Diego Novillo  <dnovillo@google.com>
3799
3800         * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H.
3801
3802 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
3803
3804         * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white
3805         space.
3806
3807 2009-10-22  Richard Guenther  <rguenther@suse.de>
3808
3809         * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
3810         * lto-symtab.c (struct lto_symtab_entry_def): Add node member.
3811         (lto_symtab_merge): Do not merge cgraph nodes here.
3812         (lto_symtab_resolve_can_prevail_p): Simplify.
3813         (lto_symtab_resolve_symbols): Store cgraph node.
3814         (lto_symtab_merge_decls_1): Simplify.  Do not drop non-prevailing
3815         functions from the symtab.
3816         (lto_symtab_merge_cgraph_nodes_1): New function.
3817         (lto_symtab_merge_cgraph_nodes): Likewise.
3818
3819 2009-10-22  Richard Guenther  <rguenther@suse.de>
3820
3821         PR lto/41791
3822         * lto-streamer-out.c (lto_output_location): Stream the
3823         system header flag.
3824         * lto-streamer-in.c (lto_input_location): Likewise.
3825
3826 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
3827
3828         * cfgloopmanip.c (duplicate_subloops): Export.
3829         * tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
3830         (transform_to_exit_first_loop): Duplicate bbs starting from
3831         header up to loop->latch instead of exit->src.
3832         Initialize control variable to the correct number of iterations.
3833         (gather_scalar_reductions): Do not register double reductions.
3834         (parallelize_loops): Dump which loop is tested.
3835         Indicate whether the parallelized loop is inner or not.
3836         Remove the innermost-loop requirement.
3837         * cfgloop.h (duplicate_subloops): Export.
3838         * tree-cfg.c (add_phi_args_after_redirect): New function.
3839         (gimple_duplicate_sese_tail): Remove the no-subloops constraint.
3840         Call duplicate_subloops.
3841         Update number of iterations at the exit condition.
3842         Don't redirect nexits always to the loop exit.
3843         Redirect copied edges from latch to the loop exit.
3844
3845 2009-10-22  Jan Hubicka  <jh@suse.cz>
3846
3847         * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and
3848         flag_ltrans check.
3849         * ipa-inline.c (cgraph_mark_inline_edge,
3850         cgraph_decide_inlining_of_small_function,
3851         cgraph_decide_inlining, inline_read_summary): Disable indirect
3852         inlining for WPA for time being.
3853
3854         PR tree-optimize/40556
3855         * ipa-inline.c (cgraph_early_inlining): Fix iterations condition.
3856
3857 2009-10-22  Richard Guenther  <rguenther@suse.de>
3858
3859         * lto-streamer.h (lto_symtab_clear_resolution): Remove.
3860         * lto-symtab.c (lto_symtab_clear_resolution): Likewise.
3861
3862 2009-10-22  Jan Hubicka  <jh@suse.cz>
3863
3864         PR lto/41730
3865         * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
3866         global vars.
3867         (check_call): Handle only indirect calls.
3868         (propagate_bits): Update comment.
3869         (write_node_summary_p): Turn bogus check to assert.
3870         (ipa_reference_write_summary): Stream calls_read_all properly.
3871         (ipa_reference_read_summary): Stream in calls_read_all properly.
3872         (read_write_all_from_decl): New function.
3873         (propagate): Handle OVERWRITABLE nodes and external calls here.
3874         * ipa-pre-const.c (check_call): In IPA mode handle indirect
3875         calls only.
3876         (analyze_function): Do not check visibility here.
3877         (add_new_function): We summary OVERWRITABLE too.
3878         (generate_summary): Stream OVERWRITABLE nodes too.
3879         (propagate): Handle external calls and OVERWRITABLE nodes here.
3880         (local_pure_const): Check visibility here.
3881
3882 2009-10-22  Jan Hubicka  <jh@suse.cz>
3883
3884         * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
3885         (pass_ipa_cp): Register them.
3886         (ipcp_init_stage): Analyze all functions for whopr/lto.
3887         (ipcp_propagate_stage): Skip external calls.
3888         (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
3889         * ipa-reference.c (write_node_summary_p): Fix thinko about
3890         availability.
3891         * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
3892         when in ltrans, skip executing of ipa passes since everything
3893         should've been done.
3894         * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
3895         (inline_generate_summary): Likewise.
3896         (inline_read_summary): New function.
3897         (inline_write_summary): New function.
3898         (pass_ipa_inline): Register new hooks.
3899         * ipa-prop.c: Inlcude lto-streamer.h
3900         (ipa_edge_args_vector): Update declaration.
3901         (ipa_count_arguments, ipa_compute_jump_functions,
3902         ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
3903         (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
3904         ipa_read_node_info): New static functions.
3905         (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
3906         (duplicate_array): Use xmalloc.
3907         (duplicate_ggc_array): New.
3908         (ipa_edge_duplication_hook): Use it.
3909         (ipa_update_after_lto_read): New function.
3910         * ipa-prop.h (ipa_prop_write_jump_functions,
3911         ipa_prop_read_jump_functions): Declare.
3912         (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
3913         jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
3914         (ipa_edge_args_vector): Move into GGC.
3915         (ipa_check_create_edge_args): Update.
3916         (ipa_update_after_lto_read): New.
3917         * passes.c (ipa_write_summaries_1): When in wpa, do not write
3918         summaries.
3919         (ipa_read_summaries): When in ltrans, so not read summaries.
3920         * lto-streamer.c (lto_get_section_name): Add
3921         LTO_section_jump_functions.
3922         * lto-streamer.h (LTO_section_jump_functions): New section.
3923         (produce_asm): Declare.
3924         * lto-cgraph.c (output_cgraph): Output edges in reverse order.
3925         * lto-streamer-out.c (produce_asm): Export.
3926         * lto-streamer-in.c: Include tree-pass.h
3927         (input_function): Free dominance info when done.
3928         (lto_read_body): Push ipa_inline in ltrans stage.
3929         * gengtype.c (open_base_files): Add ipa-prop.h into includes.
3930         * Makefile.in (GTFILES): Add ipa-prop.h
3931
3932 2009-10-22  Matthias Klose  <doko@ubuntu.com>
3933
3934         * doc/install.texi: Document --enable-browser-plugin.
3935
3936 2009-10-21  Vladimir Makarov  <vmakarov@redhat.com>
3937
3938         * doc/invoke.texi (fira-loop-pressure): Update default value.
3939         * opts.c (decode_options): Remove default value setting for
3940         flag_ira_loop_pressure.
3941         * config/ia64/ia64.c (ia64_override_options): Set
3942         flag_ira_loop_pressure up for -O3.
3943         * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
3944
3945 2009-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         PR tree-optimization/41497
3948         * tree-scalar-evolution.c (analyze_evolution_in_loop): Return
3949         chrec_dont_know if the evolution function returned by follow_ssa_edge
3950         is constant in the analyzed loop and is not compatible with the
3951         initial value before the loop.
3952         * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
3953
3954 2009-10-21  Joseph Myers  <joseph@codesourcery.com>
3955
3956         * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF.
3957
3958 2009-10-21  Jakub Jelinek  <jakub@redhat.com>
3959
3960         PR other/25507
3961         * doc/invoke.texi: Document -print-multi-os-directory.
3962
3963 2009-10-21  Jack Howarth  <howarth@bromo.med.uc.edu>
3964
3965         PR c++/41313
3966         * gcc/config/darwin10.h: Use default_emit_unwind_label.
3967         * gcc/config/darwin.c: Disable -freorder-blocks-and-partition
3968         when darwin_emit_unwind_label is used.
3969
3970 2009-10-21  Eric Botcazou  <ebotcazou@adacore.com>
3971
3972         * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak
3973         order of checks.
3974
3975 2009-10-20  Richard Henderson  <rth@redhat.com>
3976
3977         * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1
3978         before emit_post_landing_pad.
3979
3980 2009-10-20  Adam Nemet  <anemet@caviumnetworks.com>
3981
3982         * config/mips/mips.c (mips_binary_cost): Add new argument speed.
3983         Use when calling rtx_costs.
3984         (mips_rtx_costs): Fix formatting.  Use argument speed rather than the
3985         global optimize_size.  Pass speed to mips_binary_cost.
3986
3987 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
3988
3989         * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
3990         of TREE_CONSTANT.
3991
3992 2009-10-20  Richard Sandiford  <rdsandiford@googlemail.com>
3993
3994         * rtl.h (simplify_replace_fn_rtx): Declare.
3995         (wrap_constant, unwrap_constant): Delete.
3996         * cfgexpand.c (unwrap_constant, wrap_constant): Delete.
3997         (expand_debug_expr): Don't call wrap_constant.
3998         * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
3999         (auto_adjust_pair): Fold into...
4000         (propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
4001         Just return a new value.
4002         (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
4003         otherwise use simplify_replace_rtx.
4004         * cselib.c (wrap_constant): Reinstate old definition.
4005         (cselib_expand_value_rtx_1): Don't wrap constants.
4006         * gcse.c (try_replace_reg): Don't use copy_rtx in the call to
4007         simplify_replace_rtx.
4008         (bypass_block): Fix formatting in calls to simplify_replace_rtx.
4009         * reload1.c (reload): Skip all uses for an insn before adjusting it.
4010         Use simplify_replace_rtx.
4011         * simplify-rtx.c (simplify_replace_fn_rtx): New function,
4012         adapted from...
4013         (simplify_replace_rtx): ...here.  Turn into a wrapper for
4014         simplify_replace_fn_rtx.
4015         (simplify_unary_operation): Don't unwrap CONSTs.
4016         * var-tracking.c (check_wrap_constant): Delete.
4017         (vt_expand_loc_callback): Don't call it.
4018         (vt_expand_loc): Likewise.
4019
4020 2009-10-20  Pascal Obry  <obry@adacore.com>
4021             Eric Botcazou  <ebotcazou@adacore.com>
4022
4023         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.
4024
4025 2009-10-20  Michael Matz  <matz@suse.de>
4026
4027         * loop-invariant.c (create_new_invariant): Use different magic number.
4028
4029 2009-10-20  Richard Earnshaw  <rearnsha@arm.com>
4030
4031         PR target/39247
4032         * arm.c (arm_override_options): Forcibly disable hot/cold block
4033         partitioning.
4034
4035 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
4036
4037         PR debug/41739
4038         * haifa-sched.c (try_ready): Skip debug deps updating speculation
4039         status.
4040
4041 2009-10-20  Richard Guenther  <rguenther@suse.de>
4042
4043         * ggc-page.c: Include cfgloop.h.
4044         (struct max_alignment): Drop long double, add void *.
4045         (extra_order_size_table): Add low non-power-of-two multiples
4046         of MAX_ALIGNMENT.  Drop small type-based entries, add
4047         tree_type, cgraph_node and loop.
4048         * alloc-pool.c (struct allocation_object_def): Drop long double
4049         aligning element.
4050
4051 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
4052
4053         PR debug/41340
4054         * loop-invariant.c (calculate_loop_reg_pressure): Don't count regs
4055         referenced just in DEBUG_INSNs.
4056
4057 2009-10-20  Richard Guenther  <rguenther@suse.de>
4058
4059         PR lto/41761
4060         * gimple.c (gimple_register_type): Make sure we register
4061         the types main variant first.
4062
4063 2009-10-20  Richard Guenther  <rguenther@suse.de>
4064
4065         * gimple.c (gimple_types_compatible_p): Simplify.  Move
4066         cheap checks before hashtable queries.  Add checks for
4067         TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P.
4068
4069 2009-10-20  Eric Botcazou  <ebotcazou@adacore.com>
4070
4071         * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields
4072         without size or with size that can't be represented as a host integer.
4073
4074 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
4075
4076         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
4077         the removal of a debug stmt as a significant change.
4078
4079 2009-10-20  Wolfgang Gellerich  <gellerich@de.ibm.com>
4080
4081         * config/s390/s390.md: Added agen condition to operand
4082         forwarding bypasses.  Added bypass for early address generation
4083         use of int results.  Updated comments.
4084
4085 2009-10-20  Stefan Dösinger  <stefan@codeweavers.com>
4086
4087         * config/i386/i386.c: Remove signal.h #include.
4088
4089 2009-10-20  Jie Zhang  <jie.zhang@analog.com>
4090
4091         * simplify-rtx.c (simplify_const_unary_operation): Handle SS_ABS.
4092         * doc/rtl.texi: Document ss_abs.
4093
4094 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
4095
4096         * c-common.c (c_parse_error): Handle CPP_UTF8STRING.
4097         * c-lex.c (c_lex_with_flags): Likewise.  Test C_LEX_STRING_NO_JOIN
4098         instead of C_LEX_RAW_STRINGS.
4099         (lex_string): Handle CPP_UTF8STRING.
4100         * c-parser.c (c_parser_postfix_expression): Likewise.
4101         * c-pragma.h (C_LEX_RAW_STRINGS): Rename to ...
4102         (C_LEX_STRING_NO_JOIN): ... this.
4103
4104 2009-10-19  Anatoly Sokolov  <aesok@post.ru>
4105
4106         * config/cris/cris.c (cris_function_value, cris_libcall_value,
4107         cris_function_value_regno_p): New functions.
4108         (cris_promote_function_mode): Update comment.
4109         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
4110         * config/cris/cris.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
4111         (FUNCTION_VALUE_REGNO_P): Redefine, use cris_function_value_regno_p.
4112         * config/cris/cris-protos.h (cris_function_value_regno_p): Declare.
4113
4114 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
4115
4116         * unwind-dw2.c (execute_stack_op): Fix operand order for
4117         DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.
4118
4119 2009-10-19  Eric Botcazou  <ebotcazou@adacore.com>
4120
4121         * gimple-low.c (struct lower_data): Add cannot_fallthru field.
4122         (lower_stmt) <GIMPLE_BIND>: Add comment.
4123         <GIMPLE_COND, GIMPLE_GOTO, GIMPLE_SWITCH>: Set cannot_fallthru to true
4124         and return.
4125         <GIMPLE_RETURN>: Remove the statement if cannot_fallthru is set.
4126         Otherwise lower it and set cannot_fallthru to true.
4127         <GIMPLE_TRY>: Update cannot_fallthru for GIMPLE_TRY_FINALLY and return.
4128         <GIMPLE_CATCH, GIMPLE_EH_FILTER>: Set cannot_fallthru to false.
4129         <GIMPLE_CALL>: Set cannot_fallthru to false for BUILT_IN_SETJMP and
4130         to true for a noreturn call.  Do not remove statements.
4131         <GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TASK>: Set cannot_fallthru to false.
4132         Set cannot_fallthru to false on function exit.
4133         (gimple_stmt_may_fallthru) <GIMPLE_SWITCH>: Really return false.
4134         <GIMPLE_ASSIGN>: Remove.
4135
4136 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4137
4138         * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
4139
4140 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4141
4142         * config/s390/s390.c (s390_z10_optimize_cmp): Use
4143         next/prev_active_insn to skip DEBUG_INSNs as well.
4144
4145 2009-10-19  Joseph Myers  <joseph@codesourcery.com>
4146
4147         * config/arm/arm.c (output_move_neon): Use DImode in call to
4148         adjust_address.
4149
4150 2009-10-19  Matthias Klose  <doko@ubuntu.com>
4151
4152         PR target/40134
4153         * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.
4154
4155 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
4156
4157         * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM op0.
4158
4159 2009-10-17  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
4160
4161         PR middle-end/41738
4162         * optabs.c (expand_binop): Make mode of shift count expression mode
4163         of shift count not target.
4164         Remove indent nit.
4165
4166 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4167
4168         * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New
4169         case.  Force using values to replace references within the statement.
4170         (convert_local_reference_stmt): Likewise.
4171
4172 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4173
4174         * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn,
4175         remove a subsequent GOTO or RETURN statement.
4176
4177 2009-10-17  Andy Hutchinson  <hutchinsonandy@aim.com>
4178
4179         * config/avr.md (*movqi): Add zero as equally preferable constraint
4180         as general register.
4181         (*movhi): Ditto.
4182
4183 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4184
4185         * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION.
4186
4187 2009-10-17  Richard Guenther  <rguenther@suse.de>
4188
4189         * lto-streamer-in.c (lto_input_location): Try to reuse previous maps.
4190
4191 2009-10-17  Richard Guenther  <rguenther@suse.de>
4192
4193         * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL
4194         operands in COMPONENT_REFs.
4195
4196 2009-10-17  Anatoly Sokolov  <aesok@post.ru>
4197
4198         * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro
4199         if not defined. Change type of second argument to const_rtx.
4200         (default_function_value): Call gcc_unreachable if FUNCTION_VALUE
4201         macro not defined.
4202         * targhooks.h (default_libcall_value): Update prototype.
4203         * target.h (struct gcc_target): Change type of second argument of
4204         libcall_value to const_rtx.
4205         * config/arm/arm.c (arm_libcall_value): Change type of second argument
4206         to const_rtx.
4207         (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx.
4208         * doc/tm.texi (TARGET_LIBCALL_VALUE):  Revise documentation.
4209
4210 2009-10-17  Jakub Jelinek  <jakub@redhat.com>
4211
4212         PR debug/40521
4213         * debug.h (struct gcc_debug_hooks): Add assembly_start hook.
4214         * cgraphunit.c (cgraph_optimize): Call it.
4215         * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
4216         (dwarf2out_assembly_start): ... here.  New hook.
4217         (dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
4218         * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
4219         hook.
4220         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
4221         * sdbout.c (sdb_debug_hooks): Likewise.
4222         * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
4223         (vmsdbgout_assembly_start): New hook.
4224
4225 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
4226
4227         * rtl.h (RTL_LOCATION): Fix typo.
4228
4229 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
4230
4231         * print-rtl.c (print_rtx): Print locators in asm_operands
4232         and asm_input.
4233
4234 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
4235
4236         PR debug/41535
4237         * sched-deps.c (depl_on_debug_p): New.
4238         (attach_dep_link): Reject debug deps before nondebug deps.
4239         (add_to_deps_list): Insert debug deps after nondebug deps.
4240         (sd_lists_empty_p): Stop at first nonempty list.  Disregard debug
4241         deps.
4242         (sd_add_dep): Do not reject debug deps.
4243         (add_insn_mem_dependence): Don't count debug deps.
4244         (remove_from_deps): Likewise.
4245         (sched_analyze_2): Set up mem deps on debug insns.
4246         (sched_analyze_insn): Record reg uses for deps on debug insns.
4247         * haifa-sched.c (schedule_insn): Reset deferred debug insn.  Don't
4248         try_ready nondebug insn after debug insn.
4249         * ddg.c (create_ddg_dep_from_intra_loop_link,
4250         create_ddg_dep_no_link): Don't reject debug deps.
4251
4252 2009-10-16  Richard Guenther  <rguenther@suse.de>
4253
4254         * lto-symtab.c (merge_incomplete_and_complete_type): Remove.
4255         (maybe_merge_incomplete_and_complete_type): Likewise.
4256         (lto_symtab_merge): Do not call them.  Do not warn for
4257         complete vs. incomplete compatible types.
4258         (lto_symtab_merge_decls_2): Simplify.
4259         * gimple.c (gimple_force_type_merge): Remove.
4260         (gimple_types_compatible_p): Make it static.
4261         * gimple.h (gimple_force_type_merge): Remove.
4262         (gimple_types_compatible_p): Likewise.
4263
4264 2009-10-16  Jakub Jelinek  <jakub@redhat.com>
4265
4266         * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
4267         DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.
4268
4269 2009-10-16  Richard Guenther  <rguenther@suse.de>
4270
4271         PR tree-optimization/41728
4272         * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified
4273         if fold_stmt did anything.
4274
4275 2009-10-16  Richard Guenther  <rguenther@suse.de>
4276
4277         PR lto/41715
4278         * lto-streamer-in.c (lto_input_tree_ref): Revert last change.
4279         (maybe_fixup_handled_component): New function.
4280         (input_gimple_stmt): Fixup mismatched decl replacements.
4281
4282 2009-10-16  Richard Guenther  <rguenther@suse.de>
4283
4284         PR lto/41713
4285         * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
4286         the same as VAR_DECL.
4287
4288 2009-10-16  Richard Guenther  <rguenther@suse.de>
4289
4290         * gimple.c (iterative_hash_gimple_type): For integer types
4291         also hash their minimum and maximum values and the string flag.
4292         For array types hash their domain and the string flag.
4293
4294 2009-10-16  Richard Guenther  <rguenther@suse.de>
4295
4296         * gimple.c (gimple_types_compatible_p): Restrict completing
4297         types to record or unions.  Simplify completion.
4298         Do not merge records or unions with different
4299         TYPE_STRUCTURAL_EQUALITY_P tag.
4300         (iterative_hash_gimple_type): Restrict non-recursing into
4301         pointer targets for records and unions.
4302
4303 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
4304
4305         PR debug/41717
4306         * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
4307         * dwarf2out.c (mem_loc_descriptor): Don't handle
4308         POST_INT/POST_DEC/POST_MODIFY like SUBREG.  For SUBREG
4309         punt if it is not lowpart subreg or if inner mode isn't
4310         MODE_INT.
4311
4312 2009-10-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4313
4314         * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
4315         investigating previous or next insns.
4316
4317 2009-10-16  Eric Botcazou  <ebotcazou@adacore.com>
4318
4319         * tree-sra.c (build_ref_for_offset_1): Update comment.
4320
4321 2009-10-16  Wolfgang Gellerich  <gellerich@de.ibm.com>
4322
4323         * config/s390/s390.md (atype): Added missing values.
4324
4325 2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4326
4327         PR target/41702
4328         * pa.md (casesi): Use sign extended index in call to gen_casesi64p.
4329         (casesi64p): Update pattern to reflect above.
4330
4331 2009-10-15  Steve Ellcey  <sje@cup.hp.com>
4332
4333         PR rtl-optimization/41697
4334         * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
4335
4336 2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
4337
4338         PR target/23983
4339         * config/rs6000/predicates.md: Update copyright year.
4340         * config/rs6000/altivec.md: Ditto.
4341
4342         * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
4343         (MD_INCLUDES): Add a2.md.
4344
4345         * config/rs6000/rs6000.c (rs6000_builtin_decls): Change
4346         RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
4347         (builtin_classify): New static vector to classify various builtins
4348         to get the tree attributes correct.
4349         (def_builtin): Set the attributes of builtins based on what the
4350         builtin does (i.e. memory operation, floating point, saturation
4351         need special attributes, others are pure functions).
4352
4353         * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
4354         the builtins.
4355         (enum rs6000_builtins): Include rs6000-builtin.def to define the
4356         builtins.  Change the end marker to MAX_RS6000_BUILTINS from
4357         RS6000_BUILTIN_COUNT.
4358         (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
4359         MAX_RS6000_BUILTINS.
4360
4361         * config/rs6000/rs6000-builtin.def: New file that combines the
4362         builtin enumeration name and attributes.
4363
4364 2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>
4365
4366         * config/i386/linux.h (ASM_SPEC): Add --32.
4367
4368 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
4369
4370         * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type
4371         and DW_TAG_template_alias.
4372         (dwarf_attr_name): Handle DW_AT_main_subprogram,
4373         DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class,
4374         DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by,
4375         DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded,
4376         DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required
4377         and DW_AT_GNU_odr_signature.
4378         (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
4379         DW_FORM_flag_present and DW_FORM_ref_sig8.
4380         (output_signature): Only print name on the first byte.
4381         (output_die): Likewise for dw_val_class_data8.
4382
4383 2009-10-15  Alexander Monakov  <amonakov@ispras.ru>
4384
4385         * doc/invoke.texi: Clarify that most optimizations are not enabled
4386         without -O.
4387
4388 2009-10-15  Richard Guenther  <rguenther@suse.de>
4389
4390         PR lto/41668
4391         * gimple.c (compare_type_names_p): Handle anonymous names
4392         differently based on new mode argument.
4393         (gimple_types_compatible_p): For structs also compare the tags.
4394         (iterative_hash_type_name): Rename to ...
4395         (iterative_hash_name): ... this.  Hash all names.
4396         (iterative_hash_gimple_type): Fix hashing the struct tag of
4397         pointer targets.  Hash field decl names.
4398
4399 2009-10-15  Richard Guenther  <rguenther@suse.de>
4400
4401         PR lto/41669
4402         * gimple.c (gimple_get_alias_set): Avoid recursing on
4403         invalid type topology.
4404
4405 2009-10-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4406
4407         * config/spu/spu.c (get_branch_target): Use extract_asm_operands.
4408
4409 2009-10-15  Richard Guenther  <rguenther@suse.de>
4410
4411         * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
4412
4413 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
4414
4415         * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
4416         add --with-tune{,-32,-64} configured default for -mtune if explicit
4417         -mcpu is used.
4418
4419 2009-10-14  Daniel Gutson  <dgutson@codesourcery.com>
4420
4421         * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds fixed.
4422
4423 2009-10-14  DJ Delorie  <dj@redhat.com>
4424
4425         * config/h8300/h8300.c (F): New.
4426         (Fpa): New.
4427         (h8300_emit_stack_adjustment): Call them.
4428         (push): Likewise.
4429         (h8300_push_pop): Likewise.
4430         (h8300_expand_prologue): Likewise.
4431         * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
4432         (MUST_USE_SJLJ_EXCEPTIONS): Define.
4433         (INCOMING_RETURN_ADDR_RTX): Define.
4434         (INCOMING_FRAME_SP_OFFSET): Define.
4435         (DWARF_CIE_DATA_ALIGNMENT): Define.
4436
4437 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
4438
4439         * stor-layout.c (place_field): Don't emit -Wpadded warnings for
4440         fields in builtin structs.
4441         (finalize_record_size): Likewise.
4442
4443 2009-10-14  Richard Guenther  <rguenther@suse.de>
4444
4445         * gimple.c (gtc_ob): New global.
4446         (struct type_pair_d): Replace pointers with type UIDs.
4447         (type_pair_hash): Adjust.
4448         (type_pair_eq): Likewise.
4449         (lookup_type_pair): Likewise.  Allocate from an obstack.
4450         (gimple_force_type_merge): Adjust.
4451         (gimple_types_compatible_p): Likewise.
4452         (free_gimple_type_tables): Free the obstack.
4453
4454 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
4455
4456         * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
4457         stmts setting DEBUG_EXPR_DECLs.
4458
4459         * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
4460         Don't crash if mode1 is VOIDmode.
4461
4462 2009-09-26  Vladimir Makarov  <vmakarov@redhat.com>
4463
4464         * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
4465         * params.h (IRA_LOOP_RESERVED_REGS): New.
4466         * tree-pass.h (pass_subregs_of_mode_init,
4467         pass_subregs_of_mode_finish): Remove.
4468         * passes.c (pass_subregs_of_mode_init,
4469         pass_subregs_of_mode_finish): Remove.
4470         (pass_reginfo_init): Move before loop optimizations.
4471         * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
4472         * common.opt (fira-loop-pressure): New.
4473         * toplev.h (flag_ira_loop_pressure): New.
4474         * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New externals.
4475         * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
4476         Make external and void type functions.
4477         (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
4478         pass_subregs_of_mode_finish): Remove.
4479         * ira-costs.c (init_costs): Call init_subregs_of_mode.
4480         * regmove.c: Include ira.h.
4481         (regmove_optimize): Call ira_set_pseudo_classes after IRA based
4482         register pressure calculation in loops.
4483         * loop-invariant.c: Include REGS_H and ira.h.
4484         (struct loop_data): New members max_reg_pressure, regs_ref, and
4485         regs_live.
4486         (struct invariant): New member orig_regno.
4487         (curr_loop): New variable.
4488         (find_exits): Initialize regs_ref and regs_live.
4489         (create_new_invariant): Initialize orig_regno.
4490         (get_cover_class_and_nregs): New.
4491         (get_inv_cost): Make aregs_needed an array.  Use regs_needed as an
4492         array.  Add code for flag_ira_loop_pressure.
4493         (gain_for_invariant): Make new_regs an array.  Add code for
4494         flag_ira_loop_pressure.
4495         (best_gain_for_invariant): Ditto.
4496         (set_move_mark): New parameter gain.  Use it for debugging output.
4497         (find_invariants_to_move): Make regs_needed and new_regs an array.
4498         Add code for flag_ira_loop_pressure.
4499         (move_invariant_reg): Set up orig_regno.
4500         (move_invariants): Set up reg classes for pseudos for
4501         flag_ira_loop_pressure.
4502         (free_loop_data): Clear regs_ref and regs_live.
4503         (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
4504         get_regno_cover_class, change_pressure, mark_regno_live,
4505         mark_regno_death, mark_reg_store, mark_reg_clobber,
4506         mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
4507         (move_loop_invariants): Calculate pressure.  Initialize curr_loop.
4508         * ira.c (ira): Call ira_set_pseudo_classes after IRA based
4509         register pressure calculation in loops if new regs were added.
4510         Call finish_subregs_of_mode.
4511         * opts.c (decode_options): Set up flag_ira_loop_pressure.
4512         * Makefile.in (loop-invariant.o): Add ira.h.
4513         (regmove.o): Ditto.
4514         * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
4515         Describe.
4516         * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
4517
4518 2009-10-14  Richard Guenther  <rguenther@suse.de>
4519
4520         * lto-symtab.c (lto_symtab_compatible): Fold in ...
4521         (lto_symtab_merge): ... here.  Rewrite both to take the
4522         prevailing and a to-be-merged entry and to queue diagnostics properly.
4523         (lto_symtab_resolve_replaceable_p): New predicate for
4524         symbol resolution.
4525         (lto_symtab_resolve_can_prevail_p): Likewise.
4526         (lto_symtab_resolve_symbols): Rewrite.  Fold in code that
4527         handles merging commons by choosing the largest decl.  Fold
4528         in code that gives ODR errors.
4529         (lto_symtab_merge_decls_2): Simplify a lot.  Emit queued
4530         diagnostics here.
4531         (lto_symtab_merge_decls_1): Re-structure.  Deal with the
4532         case of no prevailing decl here.  Diagnose mismatches
4533         in object types here.  Drop all but the prevailing decls.
4534         (lto_symtab_prevailing_decl): Return the single prevailing decl.
4535         * lto-streamer-in.c (lto_input_tree_ref): Deal with
4536         VIEW_CONVERT_EXPRs in decl slots.  Unshare the tree in this case.
4537
4538 2009-10-14  Richard Guenther  <rguenther@suse.de>
4539
4540         PR lto/41521
4541         * lto-streamer-in.c (input_bb): Replace debug stmts with
4542         nops instead of dropping them.
4543
4544 2009-10-14  Nick Clifton  <nickc@redhat.com>
4545
4546         * gcc/doc/extended.texi: Replace the dash character with @minus{}
4547         in situations where it is being used as a minus symbol.
4548         * gcc/doc/tm.texi: Likewise.
4549         * gcc/doc/md.texi: Likewise.
4550
4551 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
4552
4553         PR preprocessor/41543
4554         * input.h (BUILTINS_LOCATION): Change to 1 from 2.
4555         Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
4556         * tree.c: Include intl.h.
4557         (expand_location): Handle BUILTINS_LOCATION.
4558         * Makefile.in (tree.o): Depend on intl.h.
4559
4560         PR debug/41695
4561         * dwarf2out.c (dwarf2out_var_location): Always clear
4562         last_postcall_label when changing last_label.
4563
4564 2009-10-14  Pascal Obry  <obry@adacore.com>
4565
4566         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
4567         (process_command): Handle -E as done with -c and -S.  Do not add
4568         the target executable suffix to the output file when -E is used.
4569         (main): Adjust error message accordingly.
4570
4571 2009-10-14  Alexandre Oliva  <aoliva@redhat.com>
4572
4573         PR debug/41343
4574         PR debug/41447
4575         PR debug/41264
4576         PR debug/41338
4577         * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
4578         decl with rtl.
4579         (tree_code_size): Likewise.
4580
4581 2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4582
4583         * builtins.c (fold_builtin_1): Support complex "arc" functions.
4584         * real.h (HAVE_mpc_arc): Define.
4585
4586 2009-10-14  Kaz Kojima  <kkojima@gcc.gnu.org>
4587
4588         * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
4589         (struct builtin_description): Add fndecl field.
4590         (bdesc): Remove const qualifier.  Update initializer.
4591         (sh_media_init_builtins): Remove const qualifier for d.  Record
4592         the result of add_builtin_function to the fndecl field.
4593         (sh_builtin_decl): New.
4594         (sh_media_builtin_decl): New.
4595
4596 2009-10-14  Hans-Peter Nilsson  <hp@axis.com>
4597
4598         PR target/38948
4599         * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
4600         requests between special registers.
4601
4602 2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>
4603
4604         * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.
4605
4606 2009-10-13  Richard Henderson  <rth@redhat.com>
4607
4608         PR tree-optimization/41377
4609         * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
4610         (cleanup_empty_eh_merge_phis): New change_region parameter;
4611         pass it on to redirect_eh_edge_1.  Update callers.
4612         (cleanup_empty_eh_unsplit): Don't require an existing EH label
4613         at the destination block.
4614
4615 2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>
4616
4617         * passes.c (register_pass): Replaced gcc_unreachable by
4618         fatal_error on failure. Mentions plugins in comments & messages.
4619
4620 2009-10-13  Jakub Jelinek  <jakub@redhat.com>
4621
4622         PR target/41693
4623         * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
4624         * sched-vis.c (print_value): Use it.
4625         * cselib.c (cselib_hash_rtx): Likewise.
4626         * print-rtl.c (print_rtx): Likewise.
4627         * cfgexpand.c (expand_debug_rtx): Likewise.
4628         * var-tracking.c (vt_expand_loc_callback): Likewise.
4629
4630 2009-10-13  Richard Guenther  <rguenther@suse.de>
4631
4632         PR lto/41565
4633         * opts.c (handle_option): Split out code to handle setting
4634         the options flag var ...
4635         (set_option): ... here.
4636         * opts.h (set_option): Declare.
4637         * lto-opts.c (register_user_option_p): Include -fexceptions
4638         and all position independent code variants.
4639         (handle_common_option): Remove.
4640         (lto_reissue_options): Use set_option.
4641
4642 2009-10-13  Martin Jambor  <mjambor@suse.cz>
4643
4644         PR tree-optimization/41661
4645         * ipa-prop.c (compute_complex_pass_through): Allow only operations
4646         that are tcc_comparisons or do not change the type in any
4647         un-usleless way.
4648         * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
4649         folding tcc_comparison operations.
4650
4651 2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4652
4653         * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
4654         properly.
4655
4656 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
4657
4658         PR debug/41343
4659         PR debug/41447
4660         PR debug/41264
4661         PR debug/41338
4662         * tree.def (DEBUG_EXPR_DECL): New.
4663         * rtl.def (DEBUG_EXPR): New.
4664         * gengtype.c (adjust_field_rtx_def): Handle it.
4665         * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
4666         (insert_debug_temp_for_var_def): ... this.  Drop support for
4667         moving.  Take iterator for def stmt; insert debug stmt before it.
4668         Scan early for use count and kind in debug stmts.
4669         (propagate_defs_into_debug_stmts): Rename to...
4670         (insert_debug_temps_for_defs): ... this.  Likewise.
4671         * tree.h (DEBUG_TEMP_UID): New.
4672         * tree.c (next_debug_decl_uid): New.
4673         (make_node_stat): Count debug decls separately.
4674         (copy_node_stat): Likewise.
4675         * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
4676         * var-tracking.c (dv_is_decl_p): Recognize it.
4677         (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
4678         (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
4679         (vt_expand_loc_callback): Expand DEBUG_EXPRs.
4680         (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
4681         * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
4682         (cselib_hash_rtx): Likewise.
4683         (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
4684         * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
4685         debug bind stmts.
4686         * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
4687         (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
4688         * rtl.c (copy_rtx): Likewise.
4689         (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
4690         * print-rtl.c (print_rtx): Likewise.
4691         * sched-vis.c (print_value): Likewise.
4692         (print_insn): Handle DEBUG_EXPR_DECL.
4693         * tree-dump.c (dequeue_and_dump): Likewise.
4694         * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
4695         * gimple-iterator (gsi_replace): Check for same lhs.
4696         (gsi_remove): Insert debug temps.
4697         * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
4698         (move_computations_stmt): Drop explicit propagation into debug stmts.
4699         (rewrite_bittest): Likewise.  Use gsi_remove for propagation.
4700         * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
4701         * tree-ssa-sink.c (statement_sink_location): Likewise.
4702         * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
4703         * tree-ssanames.c (release_ssa_name): Adjust for rename.
4704         * tree-flow.h: Likewise.
4705         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
4706         debug temps without values.
4707         (eliminate_unnecessary_stmts): Don't discard just-inserted
4708         debug stmts.
4709
4710 2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
4711
4712         PR target/26515
4713         * config/cris/cris.md (andu): Check that operand 1 is one of the
4714         general registers.  Fix typo in head comment.
4715
4716 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
4717
4718         * config/i386/i386.md (vswapmov): New.
4719         * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
4720         (ix86_function_ms_hook_prologue): New.
4721         (ix86_expand_prologue): Handle ms_hook_prologue attribute.
4722         * configure.ac: Test for swap suffix support in as.
4723         * configure: Rebuild.
4724
4725 2009-10-12  Jakub Jelinek  <jakub@redhat.com>
4726
4727         PR target/41680
4728         * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
4729         paradoxical subregs to prevent partial register stalls if the inner
4730         mode is integer mode.
4731
4732 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
4733
4734         * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
4735
4736 2009-10-12  Dodji Seketeli  <dodji@redhat.com>
4737
4738         PR c++/41570
4739         * gcc/dwarf2out.c (template_parameter_pack_die,
4740         gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
4741
4742 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
4743
4744         PR debug/41616
4745         * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
4746         on updates too.
4747         (maybe_register_def): Likewise.  Take stmt iterator.
4748         (rewrite_update_stmt): Take stmt iterator and pass it on.
4749         (rewrite_update_enter_block): Pass stmt iterator.
4750
4751 2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4752
4753         * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
4754         (spu_builtin_decl): New function.
4755
4756 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
4757
4758         * config/i386/i386.md (SWIM): New mode iterator.
4759         (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
4760         using SWIM mode iterator.
4761         (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
4762         patterns using SWI48 mode iterator.
4763         (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
4764         *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
4765         (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
4766         (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
4767         patterns using SWI248 mode iterator.
4768         * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
4769         gen_x86_movdicc_0_m1_rex64 for renamed function
4770
4771 2009-10-11  Jose Ruiz  <ruiz@adacore.com>
4772             Eric Botcazou  <ebotcazou@adacore.com>
4773
4774         PR target/33743
4775         * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
4776         * config/sparc/sol2-unwind.h: New file.
4777
4778 2009-10-11  Olivier Hainque  <hainque@adacore.com>
4779             Eric Botcazou  <ebotcazou@adacore.com>
4780
4781         PR target/33743
4782         * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
4783         * config/i386/sol2-unwind.h: New file.
4784
4785 2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>
4786
4787         PR target/41665
4788         * config/i386/i386.md (addsi_1_zext): Get the proper second
4789         operand for lea.
4790
4791 2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>
4792
4793         * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
4794         all OLD_RTXes, not just REGs.  Use copy_rtx to create the
4795         replacement value.
4796
4797 2009-10-11  Richard Guenther  <rguenther@suse.de>
4798
4799         * gimple.c (iterative_hash_type_name): Do not handle special
4800         anonymous names.
4801
4802 2009-10-11  Uros Bizjak  <ubizjak@gmail.com>
4803
4804         * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
4805         (*setcc_si_1_and): Ditto.
4806         (*setcc_si_1_movzbl): Ditto.
4807         (*setcc_<mode>_2): Ditto.
4808         (*setcc_qi): Rename from *setcc_1.
4809         (*setcc_qi_slp): Rename from *setcc_2.
4810
4811         (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
4812         (*zero_extendqisi2_movzbw_and splitter): Ditto.
4813
4814         * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
4815         "if" condition, there is already assert with reload_completed present.
4816
4817 2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>
4818
4819         * plugin.c (try_init_one_plugin): Improve constness of variable err.
4820
4821 2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>
4822
4823         * doc/install.texi (Final install): Refer to
4824         http://gcc.gnu.org/bugs/ for bug reporting.
4825
4826 2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>
4827
4828         * configure.ac: Add test for dci instruction.
4829         * configure: Regenerate.
4830         * config.in: Likewise.
4831         * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
4832         * doc/invoke.texi: Add cpu_type 476 and 476fp.
4833         (-mmulhw): Add 476 to description.
4834         (-mdlmzb): Likewise.
4835         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
4836         * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
4837         (processor_target_table): Add 476 and 476fp entries.
4838         (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
4839         (rs6000_issue_rate): Add CPU_PPC476.
4840         * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
4841         (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
4842         (processor_type): Add PROCESSOR_PPC476.
4843         (EXTRA_SPECS): Add asm_cpu_476 string.
4844         * config/rs6000/rs6000.md (define_attr "type"): Add isel attribute.
4845         (define_attr "cpu"): Add ppc476.
4846         Include 476.md.
4847         Update comments for 476.
4848         (isel_signed, isel_unsigned): Change to use "isel" type attribute.
4849         * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
4850         Update copyright year.
4851         * config/rs6000/476.md: New file.
4852         * config/rs6000/40x.md: Add description for "isel" attribute.
4853         Update copyright year.
4854         * config/rs6000/440.md: Likewise.
4855         * config/rs6000/603.md: Likewise.
4856         * config/rs6000/6xx.md: Likewise.
4857         * config/rs6000/7450.md: Likewise.
4858         * config/rs6000/7xx.md: Likewise.
4859         * config/rs6000/8540.md: Likewise.
4860         * config/rs6000/cell.md: Likewise.
4861         * config/rs6000/e300c2c3.md: Likewise.
4862         * config/rs6000/e500mc.md: Likewise.
4863         * config/rs6000/mpc.md: Likewise.
4864         * config/rs6000/power4.md: Likewise.
4865         * config/rs6000/power5.md: Likewise.
4866         * config/rs6000/power6.md: Likewise.
4867         * config/rs6000/power7.md: Likewise.
4868         * config/rs6000/rios1.md: Likewise.
4869         * config/rs6000/rios2.md: Likewise.
4870         * config/rs6000/rs64.md: Likewise.
4871
4872 2009-10-10  Richard Guenther  <rguenther@suse.de>
4873
4874         PR tree-optimization/41654
4875         * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
4876         a cond expr before calling gimple_cond_set_condition_from_tree.
4877         (ifcombine_iforif): Likewise.
4878
4879 2009-10-09  Ian Lance Taylor  <iant@google.com>
4880
4881         * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
4882         * configure: Rebuild.
4883
4884 2009-10-09  Neil Vachharajani <nvachhar@google.com>
4885
4886         * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
4887         deprecated.
4888
4889 2009-10-09  Richard Guenther  <rguenther@suse.de>
4890
4891         PR lto/41638
4892         * target-def.h (TARGET_BUILTIN_DECL): Define.
4893         (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
4894         * target.h (struct gcc_target): Add builtin_decl target hook.
4895         * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
4896         * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
4897         target builtins.
4898         * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
4899         not gcc_unreachable.
4900         (lto_output_builtin_tree): Sorry if the target does not support
4901         streaming target builtins.
4902         * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
4903         (rs6000_builtin_decl): New function.
4904         * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
4905         (ix86_builtin_decl): New function.
4906
4907 2009-10-09  Jakub Jelinek  <jakub@redhat.com>
4908
4909         PR preprocessor/41445
4910         * c-ppoutput.c (do_line_change): New function.
4911         (cb_line_change): Use it.
4912         (scan_translation_unit): Call do_line_change if
4913         avoid_paste or PREV_WHITE and token location is on a different line
4914         than print.src_line.
4915
4916         PR debug/40521
4917         * dwarf2out.c (dwarf2out_init): Test whether
4918         HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
4919         it is defined.
4920
4921         PR rtl-optimization/41646
4922         * calls.c (expand_call): For BLKmode types returned in registers
4923         avoid likely spilled hard regs in copy_blkmode_from_reg generated
4924         insns.
4925
4926 2009-10-09  Richard Guenther  <rguenther@suse.de>
4927
4928         PR tree-optimization/41634
4929         * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
4930         we remove the correct elements.
4931         (optimize_stmt): Make sure to update stmt operands before
4932         optimizing redundancies.
4933
4934 2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4935
4936         * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
4937
4938 2009-10-09  Richard Guenther  <rguenther@suse.de>
4939
4940         PR driver/41637
4941         * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
4942         globals.
4943         (lto_wrapper_exit): New function.
4944         (fatal): Use it.
4945         (fatal_perror): Likewise.
4946         (fork_execute): Use global args_name, do not free it.
4947         (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
4948         * lto-streamer.h: Remove duplicate prototypes.
4949
4950 2009-10-09  Richard Guenther  <rguenther@suse.de>
4951
4952         * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
4953         before calling stmt_can_throw_external.
4954
4955 2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>
4956
4957         PR tree-optimization/40071
4958         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
4959         pointer if the original data reference doesn't conflict with the
4960         created vector data reference.  Fix long line.
4961
4962 2009-10-09  Uros Bizjak  <ubizjak@gmail.com>
4963
4964         * config/i386/i386.md (any_div): New code iterator.
4965         (u): Handle div and udiv.
4966         (sgnprefix): Ditto.
4967         (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
4968         code iterator.
4969         (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
4970         lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
4971         (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
4972         lceil<mode>{si,di}2 patterns using SWI48 mode iterator.
4973
4974 2009-10-08  Joseph Myers  <joseph@codesourcery.com>
4975
4976         * gcc.c (main): Remove trailing "." from diagnostics.
4977
4978 2009-10-08  Cary Coutant  <ccoutant@google.com>
4979
4980         Add support for debugging with ICF (Identical Code Folding).
4981         * calls.c (debug.h): New #include.
4982         (emit_call_1): Call virtual_call_token debug hook.
4983         * common.opt (-fenable-icf-debug): New option.
4984         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
4985         locations in the source).
4986         (poc_label_num): New variable.
4987         (dcall_entry, vcall_entry): New typedefs.
4988         (dcall_table, vcall_table): New variables.
4989         (struct vcall_insn): New type.
4990         (vcall_insn_table): New variable.
4991         (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
4992         (size_of_dcall_table): New function.
4993         (output_dcall_table): New function.
4994         (size_of_vcall_table): New function.
4995         (output_vcall_table): New function.
4996         (dwarf2out_direct_call): New function.
4997         (vcall_insn_table_hash): New function.
4998         (vcall_insn_table_eq): New function.
4999         (dwarf2out_virtual_call_token): New function.
5000         (dwarf2out_virtual_call): New function.
5001         (dwarf2out_init): Allocate new tables and sections.
5002         (prune_unused_types): Mark DIEs referenced from direct call table.
5003         (dwarf2out_finish): Output direct and virtual call tables.
5004         * final.c (final_scan_insn): Call direct_call and virtual_call
5005         debug hooks.
5006         * debug.h (struct gcc_debug_hooks): Add direct_call,
5007         virtual_call_token, virtual_call hooks.
5008         (debug_nothing_uid): New function.
5009         * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
5010         (debug_nothing_uid): New function.
5011         * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
5012         (xcoff_debug_hooks): Likewise.
5013         * sdbout.c (sdb_debug_hooks): Likewise.
5014         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
5015         * doc/invoke.texi (-fenable-icf-debug): New option.
5016
5017 2009-10-08  Alexandre Oliva  <aoliva@redhat.com>
5018
5019         PR debug/41353
5020         * regmove.c (regmove_backward_pass): Replace src with dst in the
5021         debug insn, and check for dst before rather than after.
5022
5023 2009-10-08  Janis Johnson <janis187@us.ibm.com>
5024
5025         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
5026         (TARGET_DELEGITIMIZE_ADDRESS): Likewise.
5027
5028 2009-10-08  Jan Hubicka  <jh@suse.cz>
5029
5030         PR middle-end/41626
5031         * cgraphbuild.c (record_reference): When parameter DATA is NULL,
5032         do not mark cgraph nodes as needed.
5033         (record_references_in_initializer): Add new only_vars parameter.
5034         * cgraph.h (record_references_in_initializer): New parameter.
5035         * varasm.c (assemble_variable): Update call.
5036         * varpool.c (varpool_analyze_pending_decls): Always look for
5037         referenced vars.
5038
5039 2009-10-08  Anatoly Sokolov  <aesok@post.ru>
5040
5041         * config/avr/avr.c (last_insn_address) Remove variable.
5042         (expand_prologue): Don't initialise last_insn_address variable.
5043         (final_prescan_insn): Don't output insn size.
5044         * config/avr/avr.opt (msize): Remove switch.
5045         * doc/invoke.texi (AVR Options): Remove documentation of -msize
5046         switch.
5047
5048 2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>
5049
5050         * combine.c (label_tick_ebb_start): Fix comment.
5051         (combine_instructions): Set label_tick and label_tick_ebb_start before
5052         calling setup_incoming_promotions.  Start them from 1.  Increment
5053         label_tick instead of deriving it from the BB index.  Rather than
5054         comparing ticks use the block from the previous iteration to decide
5055         whether to start a new EBB.  Remove empty lines before function.
5056
5057 2009-10-08  Michael Matz  <matz@suse.de>
5058
5059         PR middle-end/41573
5060         * builtins.c (fold_builtin_isascii): Use fold_build2.
5061         (fold_builtin_isdigit): Ditto.
5062         * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
5063         * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
5064         remove_useless_stmts_cond, remove_useless_stmts_tf,
5065         remove_useless_stmts_tc, remove_useless_stmts_bind,
5066         remove_useless_stmts_goto, remove_useless_stmts_label,
5067         remove_useless_stmts_1, remove_useless_stmts,
5068         pass_remove_useless_stmts): Remove.
5069         * tree-pass.h (pass_remove_useless_stmts): Don't declare.
5070         * passes.c (init_optimization_passes): Don't add
5071         pass_remove_useless_stmts.
5072         * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
5073         * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
5074         static constants.
5075         * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
5076         for static constants.
5077         * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
5078         * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.
5079
5080 2009-10-08  Richard Guenther  <rguenther@suse.de>
5081
5082         * gimple.c (free_gimple_type_tables): New function.
5083         * gimple.h (free_gimple_type_tables): Declare.
5084
5085 2009-10-07  Mark Heffernan  <meheff@google.com>
5086
5087         * ipa-prop.c (ipa_print_node_params) Only print
5088         names of named arguments.
5089
5090 2009-10-08  Rafael Avila de Espindola  <espindola@google.com>
5091
5092         * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
5093         being statically linked.
5094
5095 2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5096
5097         * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.
5098
5099 2009-10-08  Jan Hubicka  <jh@suse.cz>
5100
5101         PR bootstrap/41620
5102         * ipa.c (cgraph_externally_visible_p,
5103         function_and_variable_visibility,
5104         whole_program_function_and_variable_visibility): Skip non-finalized
5105         nodes.
5106
5107 2009-10-08  Nick Clifton  <nickc@redhat.com>
5108
5109         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
5110         CONST_DOUBLEs.
5111
5112 2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>
5113
5114         PR bootstrap/37739
5115         * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.
5116
5117 2009-10-07  Joseph Myers  <joseph@codesourcery.com>
5118
5119         PR c/41182
5120         * c-common.c (c_fully_fold_internal): Strip nops from the result
5121         of recursive calls to c_fully_fold_internal.
5122         (c_wrap_maybe_const): New.
5123         (c_save_expr): Use c_wrap_maybe_const.
5124         * c-common.h (c_wrap_maybe_const): Declare.
5125         * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
5126         build_binary_op): Use c_wrap_maybe_const.
5127
5128 2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5129
5130         * real.c: Fix comment to reflect actual exponent size.
5131
5132 2009-10-08  Ben Elliston  <bje@au.ibm.com>
5133
5134         * config/rs6000/a2.md: Add FSF comment header.
5135
5136 2009-10-07  Uros Bizjak  <ubizjak@gmail.com>
5137
5138         * config/i386/i386.md (any_extend): New code iterator.
5139         (u, s): New code attributes.
5140         (sgnprefix): Ditto.
5141         (DWIH): Rewrite as code iterator for SI and DI modes.
5142         (DWI): Rewrite as mode attribute.
5143         (dwi): New mode attribute.
5144         (di): Depend on SI mode and DI mode.
5145         (doubleint_general_operand): Remove mode attribute.
5146
5147         (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
5148         DWIH mode iterator.
5149
5150         (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
5151         (*sub<mode>3_doubleword): Ditto.
5152
5153         (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
5154         using SWIM248 mode iterator.
5155         (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
5156         using SWI48 mode iterator.
5157         (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
5158         patterns using DWIH mode iterator and any_extend code iterator.
5159         (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
5160         using any_extend code iterator.
5161         (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
5162         patterns using DWIH mode iterator and any_extend code iterator.
5163         (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
5164         using any_extend code iterator.
5165         (<s>mul<mode>3_highpart): Macroize expander from
5166         {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
5167         and any_extend code iterator.
5168         (*<s>muldi3_highpart_1): Macroize insn from
5169         *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
5170         (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
5171         patterns using any_extend code iterator.
5172         (*<s>mulsi3_highpart_zext): Macroize insn from
5173         *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.
5174
5175 2009-10-07  Jakub Jelinek  <jakub@redhat.com>
5176
5177         * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
5178         DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
5179         refering to a DIE with DW_AT_const_value.
5180
5181 2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>
5182
5183         PR middle-end/22072
5184         * ira-lives.c (check_and_make_def_conflict): Process all operands.
5185
5186 2009-10-06  Jan Hubicka  <jh@suse.cz>
5187
5188         * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
5189         correctly.
5190
5191 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
5192
5193         * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
5194         *lea_2_rex64): Move before *add<mode>_1 pattern.
5195
5196 2009-10-07  Jan Hubicka  <jh@suse.cz>
5197
5198         * collect2.c (main): Add -fno-whole-program.
5199         * gcc.c (set_collect_gcc_options): Do not remove whole program here.
5200
5201 2009-10-07  Jan Hubicka  <jh@suse.cz>
5202
5203         * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
5204         has no address taken.
5205         * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
5206         never needed.
5207         (cgraph_clone_node): Clear externally_visible flag for clones.
5208         * cgraph.h (cgraph_only_called_directly_p,
5209         cgraph_can_remove_if_no_direct_calls_p): New predicates.
5210         * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
5211         * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
5212         (ipcp_initialize_node_lattices, ipcp_estimate_growth,
5213         ipcp_insert_stage): Likwise.
5214         * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
5215         externally_visible flag.
5216         (verify_cgraph_node): Verify that inline clones look right.
5217         (process_function_and_variable_attributes): Do not set
5218         externally_visible flags.
5219         (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
5220         been already run.
5221         * lto-cgraph.c (lto_output_node): Assert that inline clones are not
5222         boundaries.
5223         * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
5224         clear externally_visible when turning into inline clones
5225         (cgraph_mark_inline_edge): Use new predicates.
5226         (cgraph_estimate_growth): Likewise.
5227         (cgraph_decide_inlining): Likewise.
5228         * ipa.c (cgraph_postorder): Likewise.
5229         (cgraph_remove_unreachable_nodes): Likewise; sanity check
5230         that inline clones are not needed.
5231         (cgraph_externally_visible_p): New predicate.
5232         (function_and_variable_visibility): Add whole_program parameter;
5233         always set externally_visible flag; handle COMDAT function
5234         privatization.
5235         (local_function_and_variable_visibility): New function.
5236         (gate_whole_program_function_and_variable_visibility): New function.
5237         (whole_program_function_and_variable_visibility): New function.
5238         (pass_ipa_whole_program_visibility): New function.
5239         * passes.c  (init_optimization_passes): Add whole program visibility
5240         pass.
5241         (do_per_function_toporder, function_called_by_processed_nodes_p): Do
5242         not care about needed/reachable flags.
5243         * varpool.c: Include flags.h
5244         (decide_is_variable_needed): When doing LTO assume whole-program mode.
5245         (varpool_finalize_decl): When we are in LTO read-back, all variables
5246         are analyzed.
5247         (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
5248
5249 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5250
5251         * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
5252         add MASK_HARD_DFP.
5253
5254 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5255
5256         * config.gcc: Don't include the makefile fragments intended for
5257         libgcc.
5258         * config/s390/fixdfdi.h: File removed.
5259         * config/s390/libgcc-glibc.ver: File removed.
5260         * config/s390/s390.h: Remove the fixdfdi.h hack.
5261         * config/s390/t-crtstuff: File moved to libgcc dir.
5262         * config/s390/t-linux: Likewise.
5263         * config/s390/t-tpf: libgcc specific parts removed.
5264         * config/s390/t-linux64: Likewise.
5265
5266 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
5267
5268         * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
5269         (lto-compress.o): Likewise.
5270
5271 2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>
5272
5273         PR target/41512
5274         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
5275         dllexport to class members here.
5276         (i386_pe_determine_dllimport_p): Only check static class data for
5277         definition.
5278         (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
5279         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
5280         functions for vague linkage.
5281         (i386_pe_type_dllexport_p): Fix formatting.
5282         (maybe_add_dllexport) New function.
5283         (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
5284         to class members.
5285
5286 2009-10-07  Ben Elliston  <bje@au.ibm.com>
5287
5288         * config/rs6000/a2.md: Remove duplicated lines.
5289
5290 2009-10-07  Ben Elliston  <bje@au.ibm.com>
5291
5292         * config.gcc (powerpc*-*-*): Handle a2.
5293         * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
5294         * config/rs6000/a2.md: New file.
5295         * config/rs6000/rs6000.opt (mno-update): New.
5296         (mupdate): Return to using a mask, not a var.
5297         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
5298         (enum processor_type): Add PROCESSOR_PPCA2.
5299         * config/rs6000/rs6000.c (ppca2_cost): New costs.
5300         (rs6000_override_options): Add "a2" to processor_target_table.
5301         Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
5302         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.
5303
5304 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
5305
5306         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
5307         Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
5308         reference to nonexistent gen_truncxfxf2 function.
5309
5310 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
5311
5312         * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
5313         (DWIH, g, di, doubleint_general_operand): New mode attributes.
5314         (general_operand): Handle TI mode.
5315         (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
5316         using SDWIM mode iterator.
5317         (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
5318         pattern from *add{di,ti}3_1 patterns and corresponding splitters
5319         using DWI mode iterator.
5320         (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
5321         patterns using SWI mode iterator.
5322         (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
5323         using SWI48 mode iterator.
5324         (*add<mode>_1): Ditto from add{si,di}_1 patterns.
5325         (*add<mode>_2): Ditto from add{si,di}_2 patterns.
5326         (*add<mode>_3): Ditto from add{si,di}_3 patterns.
5327         (*add<mode>_5): Ditto from add{si,di}_5 patterns.
5328         (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
5329         using SDWIM mode iterator.
5330         (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
5331         pattern from *sub{di,ti}3_1 patterns and corresponding splitters
5332         using DWI mode iterator.
5333         (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
5334         patterns using SWI mode iterator.
5335         (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
5336         (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
5337         (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
5338         (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
5339         patterns using plusminus code iterator.
5340         (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
5341         sub<mode>3 patterns using plusminus code iterator.
5342         * config/i386/i386.c (override_options): Update the call to
5343         gen_subdi_carry_rex64 for renamed function.
5344         (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
5345         and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
5346         calls to instruction expanders.
5347
5348 2009-10-06  Martin Jambor  <mjambor@suse.cz>
5349
5350         PR bootstrap/41395
5351         * opts.c (decode_options): Run IPA-SRA at -O2.
5352
5353 2009-10-06  Richard Guenther  <rguenther@suse.de>
5354
5355         * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.
5356
5357 2009-10-06  Tobias Burnus  <burnus@net-b.de>
5358
5359         PR lto/41591
5360         * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
5361         -flto and -fwhole-program flags can be combined.
5362
5363 2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>
5364
5365         PR driver/41217
5366         * gcc.c (process_command): Check that -o argument was specified.
5367
5368 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
5369
5370         * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.
5371
5372 2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5373
5374         * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
5375         * doc/invoke.texi (Warning Options): Annotate allowed languages
5376         for -Wunsuffixed-float-constants.
5377
5378 2009-10-05  Jakub Jelinek  <jakub@redhat.com>
5379
5380         * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
5381         DW_TAG_{const,volatile}_type if its DW_AT_type already has the
5382         same name and isn't the main variant.
5383
5384         PR debug/41558
5385         * dwarf2out.c (loc_by_reference): Removed.
5386         (dw_loc_list_1): New function.
5387         (dw_loc_list): Remove toplev argument, add want_address argument.
5388         Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
5389         (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
5390         want_address == 2 to dw_loc_list.  For successful dw_loc_list
5391         set have_address to 1 only if want_address is not 0.
5392
5393 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
5394
5395         * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
5396         * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
5397         a code block followed by two pointers.
5398         (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
5399         * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
5400         (MIPS_MOVE): Likewise.
5401         (MIPS_LUI): Likewise.
5402         (MIPS_JR): Likewise.
5403         (MIPS_BAL): Likewise.
5404         (MIPS_NOP): Likewise.
5405         (mips_asm_trampoline_template): Delete.
5406         (mips_trampoline_code_size): New function.
5407         (mips_trampoline_init): Add shorter sequences for all cases
5408         except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
5409         Calculate the opcodes directly, rather than copying from a template.
5410         Only flush the code part of the trampoline.
5411         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
5412
5413 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
5414
5415         * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
5416         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
5417         (INCOMING_RETURN_ADDR_RTX): Likewise.
5418         (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
5419         with AT_REGNUM.
5420         * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
5421         with RETURN_ADDR_REGNUM.
5422         (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
5423         * config/mips/mips.c (mips16_build_call_stub): Replace
5424         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
5425         with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
5426         (mips_print_operand_punctuation): Likewise.
5427         (mips_frame_set): Likewise.
5428         (mips16e_output_save_restore): Likewise.
5429         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5430         (mips_save_reg_p): Likewise.
5431         (mips_return_addr): Likewise.
5432         (mips_set_return_address): Likewise.
5433         (mips_direct_save_slot_move_p): Likewise.
5434         (mips_output_function_prologue): Likewise.
5435         (mips_restore_reg): Likewise.
5436         (mips_expand_epilogue): Likewise.
5437         (mips_epilogue_uses): Likewise.
5438         * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
5439         (*mov<mode>_ra): Use it instead of a hard-coded 31.
5440         (clear_hazard_<mode>): Likewise.
5441         (call_internal): Likewise.
5442         (call_internal_direct): Likewise.
5443         (call_direct_split): Likewise.
5444         (call_value_internal): Likewise.
5445         (call_value_split): Likewise.
5446         (call_value_internal_direct): Likewise.
5447         (call_value_direct_split): Likewise.
5448         (call_value_multiple_internal): Likewise.
5449         (call_value_multiple_split): Likewise.
5450
5451 2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
5452             Jakub Jelinek  <jakub@redhat.com>
5453
5454         PR rtl-optimization/41511
5455         * combine.c (record_value_for_reg): Pass explicit values as argument
5456         to get_last_value_validate.
5457         (get_last_value_validate): Document INSN parameter.
5458         For non-readonly MEMs, assume they might have been modified if INSN
5459         was in another basic block.
5460         (get_last_value): Minor reformatting.
5461
5462 2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5463
5464         PR tree-opt/40992
5465         * final.c (asm_str_count): Split out from asm_insn_count.
5466         * rtl.h (asm_str_count): New prototype.
5467         * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
5468         asm_str_count.
5469
5470 2009-10-05  Sriraman Tallam  <tmsriram@google.com>
5471
5472         * doc/plugins.texi: Change plugin_pass to register_pass_info.
5473
5474 2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
5475             Rafael Espindola  <espindola@google.com>
5476
5477         * gengtype.c (write_types): Moved call to write_func_for_structure
5478         into seperate loops.
5479
5480 2009-10-05  Richard Guenther  <rguenther@suse.de>
5481
5482         PR lto/41281
5483         * lto-cgraph.c (output_cgraph): Output toplevel asms.
5484         (input_cgraph_1): Input toplevel asms.
5485
5486 2009-10-05  Richard Guenther  <rguenther@suse.de>
5487
5488         PR lto/40902
5489         * lto-symtab.c (lto_compatible_attributes_p): Remove.
5490         (external_aggregate_decl_p): Likewise.
5491         (lto_symtab_compatible): Re-structure.  Remove dead code.
5492         For variables ignore toplevel qualifiers when comparing types.
5493         Issue warnings, not errors for mismatched user-alignment.
5494
5495 2009-10-05  Richard Guenther  <rguenther@suse.de>
5496
5497         PR lto/41552
5498         PR lto/41487
5499         * lto-symtab.c (struct lto_symtab_base_def): Remove.
5500         (struct lto_symtab_identifier_def): Likewise.
5501         (struct lto_symtab_decl_def): Likewise.
5502         (struct lto_symtab_entry_def): New.
5503         (lto_symtab_identifier_t): Rename to ...
5504         (lto_symtab_entry_t): ... this.
5505         (lto_symtab_decls): Remove.
5506         (lto_symtab_base_hash): Rename to ...
5507         (lto_symtab_entry_hash): ... this.
5508         (lto_symtab_base_eq): Rename to ...
5509         (lto_symtab_entry_eq): ... this.
5510         (lto_symtab_base_marked_p): Rename to ...
5511         (lto_symtab_entry_marked_p): ... this.
5512         (lto_symtab_identifier_marked_p): Remove.
5513         (lto_symtab_decl_marked_p): Likewise.
5514         (lto_symtab_maybe_init_hash_tables): Rename to ...
5515         (lto_symtab_maybe_init_hash_table): ... this.
5516         (lto_symtab_set_resolution_and_file_data): Remove.
5517         (lto_symtab_register_decl): New function.
5518         (lto_symtab_get_identifier): Remove.
5519         (lto_symtab_get): New function.
5520         (lto_symtab_get_resolution): Adjust.
5521         (lto_symtab_get_identifier_decl): Remove.
5522         (lto_symtab_set_identifier_decl): Likewise.
5523         (lto_symtab_merge_decl): Rename to ...
5524         (lto_symtab_merge): ... this.  Rewrite.
5525         (lto_symtab_merge_var): Remove.
5526         (lto_symtab_merge_fn): Likewise.
5527         (lto_symtab_prevailing_decl): Adjust.
5528         (lto_cgraph_replace_node): New function.
5529         (lto_symtab_merge_decls_2): Likewise.
5530         (lto_symtab_merge_decls_1): Likewise.
5531         (lto_symtab_fixup_var_decls): Likewise.
5532         (lto_symtab_resolve_symbols): Likewise.
5533         (lto_symtab_merge_decls): Likewise.
5534         (lto_symtab_prevailing_decl): Adjust.
5535         (lto_symtab_get_symtab_def): Remove.
5536         (lto_symtab_get_file_data): Likewise.
5537         (lto_symtab_clear_resolution): Adjust.
5538         (lto_symtab_clear_resolution): Likewise.
5539         * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
5540         (input_cgraph_1): Likewise.
5541         * lto-streamer-in.c (get_resolution): Do not provide fake
5542         symbol resolutions here.
5543         (deferred_global_decls): Remove.
5544         (lto_register_deferred_decls_in_symtab): Likewise.
5545         (lto_register_var_decl_in_symtab): Change signature, register
5546         variable via lto_symtab_register_decl.
5547         (lto_register_function_decl_in_symtab): Likewise.
5548         (lto_read_tree): Adjust.
5549         * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
5550         (lto_symtab_merge_var): Likewise.
5551         (lto_symtab_merge_fn): Likewise.
5552         (lto_symtab_register_decl): Declare.
5553         (lto_symtab_merge_decls): Likewise.
5554
5555 2009-10-05  Richard Guenther  <rguenther@suse.de>
5556
5557         PR tree-optimization/23821
5558         * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
5559         * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
5560         simple IV increments.
5561
5562 2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5563
5564         * config/arm/arm.c (arm_override_options): Really initialize
5565         flag_dwarf2_cfi_asm to 0.
5566
5567 2009-10-05  Doug Kwan  <dougkwan@google.com>
5568
5569         PR rtl-optimization/41574
5570         * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
5571         floating point and we are not doing unsafe math optimizations.
5572
5573 2009-10-03  Simon Baldwin  <simonb@google.com>
5574             Cary Coutant  <ccoutant@google.com>
5575             Rafael Espindola  <espindola@google.com>
5576             Richard Guenther  <rguenther@suse.de>
5577             Jan Hubicka  <jh@suse.cz>
5578             Doug Kwan <dougkwan@google.com>
5579             H.J. Lu  <hongjiu.lu@intel.com>
5580             Bill Maddox  <maddox@google.com>
5581             Ryan Mansfield  <rmansfield@qnx.com>
5582             Diego Novillo  <dnovillo@google.com>
5583             Ollie Wild  <aaw@google.com>
5584             Kenneth Zadeck <zadeck@naturalbridge.com>
5585
5586         * lto-cgraph.c: New file.
5587         * lto-compress.c: New file.
5588         * lto-compress.h: New file.
5589         * lto-opts.c: New file.
5590         * lto-section-in.c: New file.
5591         * lto-section-out.c: New file.
5592         * lto-streamer-in.c: New file.
5593         * lto-streamer-out.c: New file.
5594         * lto-streamer.c: New file.
5595         * lto-streamer.h: New file.
5596         * lto-symtab.c: New file.
5597         * lto-wpa-fixup.c: New file.
5598         * lto-wrapper.c: New file.
5599
5600 2009-10-03  Simon Baldwin  <baldwin@google.com>
5601             Ben Elliston  <bje@au.ibm.com>
5602             Rafael Espindola  <espindola@google.com>
5603             Nathan Froyd  <froydnj@codesourcery.com>
5604             Jan Hubicka  <jh@suse.cz>
5605             Doug Kwan  <dougkwan@google.com>
5606             Diego Novillo  <dnovillo@google.com>
5607             Kenneth Zadeck  <zadeck@naturalbridge.com>
5608
5609         * Makefile.in (enable_lto): New.
5610         (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
5611         (LINKER_PLUGIN_API_H): Define.
5612         (LTO_SYMTAB_H): Define.
5613         (LTO_STREAMER_H): Define.
5614         (TREE_VECTORIZER_H): Define.
5615         (INCLUDES): Add LIBELFINC.
5616         (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
5617         lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
5618         lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
5619         (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
5620         (native): Add lto-wrapper$(exeext)
5621         (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
5622         lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
5623         lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
5624         (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
5625         (varasm.o): Add dependency on tree-iterator.h.
5626         (cgraph.o): Add dependency on cif-code.def.
5627         (ipa-reference.o): Add dependency on LTO_STREAMER_H.
5628         (ipa-pure-const.o): Likewise.
5629         (GTFILES): Add lto-symtab.c.
5630         (install-lto-wrapper): New.
5631         * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
5632         and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
5633         * config.in: Regenerate.
5634
5635 2009-10-03  Rafael Espindola  <espindola@google.com>
5636             Diego Novillo  <dnovillo@google.com>
5637
5638         * cgraphunit.c (ipa_passes): Prevent lto1 from calling
5639         ipa_write_summaries.
5640         Call execute_ipa_summary_passes for all_regular_ipa_passes and
5641         all_lto_gen_passes.
5642         (cgraph_optimize): Make extern.
5643
5644 2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
5645             Kenneth Zadeck <zadeck@naturalbridge.com>
5646
5647         * toplev.c (in_lto_p): Declare.
5648         * collect2.c (scan_prog_file): Read all the output when reading
5649         information for LTO.
5650         (enum lto_mode_d): Declare.
5651
5652 2009-10-03  Richard Guenther  <rguenther@suse.de>
5653             Diego Novillo  <dnovillo@google.com>
5654
5655         * gimple.c: Include target.h and alias.h.
5656         (gimple_types): Declare.
5657         (type_hash_cache): Declare.
5658         (gimple_alloc_stat): Make extern.
5659         (gimple_build_eh_must_not_throw): Call
5660         gimple_eh_must_not_throw_set_fndecl.
5661         (struct type_pair_d): Declare.
5662         (type_pair_t): Declare.
5663         (type_pair_hash): New.
5664         (type_pair_eq): New.
5665         (lookup_type_pair): New.
5666         (gimple_force_type_merge): New.
5667         (compare_type_names_p): New.
5668         (compare_field_offset): New.
5669         (gimple_types_compatible_p): New.
5670         (struct sccs): Declare.
5671         (next_dfs_num): Declare.
5672         (iterative_hash_gimple_type): New.
5673         (visit): New.
5674         (iterative_hash_type_name): New.
5675         (iterative_hash_gimple_type): New.
5676         (gimple_type_hash): New.
5677         (gimple_type_eq): New.
5678         (gimple_register_type): New.
5679         (print_gimple_types_stats): New.
5680         (gimple_signed_or_unsigned_type): New.
5681         (gimple_unsigned_type): New.
5682         (gimple_signed_type): New.
5683         (gimple_get_alias_set): New.
5684         (gimple_decl_printable_name): Do not use DMGL_TYPES.
5685         * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
5686         (gimple_force_type_merge): Declare.
5687         (gimple_types_compatible_p): Declare.
5688         (gimple_register_type): Declare.
5689         (print_gimple_types_stats): Declare.
5690         (gimple_unsigned_type): Declare.
5691         (gimple_signed_type): Declare.
5692         (gimple_get_alias_set): Declare.
5693         (gimple_eh_must_not_throw_set_fndecl): New.
5694
5695 2009-10-03  Jan Hubicka  <jh@suse.cz>
5696             Kenneth Zadeck <zadeck@naturalbridge.com>
5697
5698         * ipa-pure-const.c: Include lto-streamer.h.
5699         (register_hooks): Factor out of ...
5700         (generate_summary): ... here.
5701         (pure_const_write_summary): New.
5702         (pure_const_read_summary): New.
5703         (pass_ipa_pure_const): Add pure_const_write_summary and
5704         pure_const_read_summary.
5705         * ipa-reference.c: Include lto-streamer.h.
5706         (add_new_function): New.
5707         (remove_node_data): New.
5708         (duplicate_node_data): New.
5709         (ipa_init): Guard against multiple calls.
5710         Move hook setup from analyze_function.
5711         (write_node_summary_p): New.
5712         (ipa_reference_write_summary): New.
5713         (ipa_reference_read_summary): New.
5714         (pass_ipa_reference): Add ipa_reference_write_summary and
5715         ipa_reference_read_summary.
5716         * cgraph.h (cgraph_local_info): Add field lto_file_data.
5717         (struct cgraph_edge): Add fields lto_stmt_uid and
5718         call_stmt_cannot_inline_p.
5719         (cgraph_optimize): Declare.
5720         (cgraph_decide_is_function_needed): Declare.
5721         (reset_inline_failed): Declare.
5722         (enum LTO_cgraph_tags): Declare.
5723         (LTO_cgraph_tag_names): Declare.
5724         (LCC_NOT_FOUND): Define.
5725
5726 2009-10-03  Doug Kwan  <dougkwan@google.com>
5727             Rafael Espindola  <espindola@google.com>
5728             Jan Hubicka  <jh@suse.cz>
5729             Diego Novillo  <dnovillo@google.com>
5730             Kenneth Zadeck  <zadeck@naturalbridge.com>
5731
5732         * passes.c (all_regular_ipa_passes): New.
5733         (all_ipa_passes): Rename to all_small_ipa_passes.
5734         (init_optimization_passes): Init all_regular_ipa_passes.
5735         * tree-pass.h (all_regular_ipa_passes): New.
5736         (all_ipa_passes): Rename to all_small_ipa_passes.
5737         * passes.c (all_lto_gen_passes): New.
5738         (init_optimization_passes): Initialize all_lto_gen_passes.
5739         (execute_ipa_summary_passes): Make non-static.
5740         (ipa_write_summaries_1): New.
5741         (ipa_write_summaries_2): New.
5742         (ipa_write_summaries): New.
5743         (ipa_write_summaries_of_cgraph_node_set): New.
5744         (ipa_read_summaries_1): New.
5745         (ipa_read_summaries): New.
5746         (execute_ipa_pass_list): Call cgraph_process_new_functions.
5747         (execute_regular_ipa_pass_list): Remove.
5748         (init_optimization_passes): Schedule
5749         pass_rebuild_cgraph_edges and pass_early_inline outside
5750         of pass_all_early_optimizations.  Document reason.
5751         (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
5752         pass_ipa_lto_finish_out): New pass.
5753         (pass_ipa_summary_passes): Start and stop timers if the pass has them.
5754         (execute_all_ipa_transforms): New.
5755         (execute_one_pass): Don't call execute_one_ipa_transform_pass.
5756         (dump_properties, debug_properties): New.
5757         * tree-optimize.c (gate_all_early_local_passes): Return
5758         false if we are in lto1.
5759         (tree_rest_of_compilation): Call execute_all_ipa_transforms.
5760         * tree-pass.h (execute_all_ipa_transforms): Declare.
5761         (pass_ipa_function_and_variable_visibility): Declare.
5762         (pass_ipa_early_inline): Declare.
5763         (pass_ipa_lto_gimple_out): Declare.
5764         (pass_ipa_lto_wpa_fixup): Declare.
5765         (pass_ipa_lto_finish_out): Declare.
5766         (all_small_ipa_passes, all_regular_ipa_passes,
5767         all_lto_gen_passes): Declare.
5768         (execute_ipa_summary_passes): Declare.
5769         (execute_all_ipa_transforms): Declare.
5770         (ipa_write_summaries): Declare
5771         (ipa_write_summaries_of_cgraph_node_set): Declare.
5772         (ipa_read_summaries): Declare.
5773
5774 2009-10-03  Doug Kwan  <dougkwan@google.com>
5775             Ollie Wild  <aaw@google.com>
5776
5777         * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.
5778
5779         * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
5780         (lto_mode): New variable.
5781         (maybe_run_lto_and_relink): Handle the -fwpa option.
5782         (main): Handle the -fwpa option.
5783         (maybe_unlink_list): New function.
5784         * gcc.c (link_lto_options): Replace -flto with -fwpa.
5785         * common.opt (flto): New flag.
5786         * toplev.c (flag_generate_lto): Declare.
5787
5788 2009-10-03  Simon Baldwin  <simonb@google.com>
5789
5790         * common.opt (flto-compression-level): New flag.
5791
5792         * opts.c: Include lto-opts.h.
5793         (handle_option): Call lto_register_user_option for each
5794         valid option handled.
5795         (decode_options): Clear registered options before the options
5796         handling loop.
5797
5798 2009-10-03  Cary Coutant  <ccoutant@google.com>
5799
5800         * collect2.c (is_elf): New function.
5801         (scan_prog_file): Require LTO object to be in ELF format.
5802
5803 2009-10-03  Rafael Espindola  <espindola@google.com>
5804
5805         * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
5806         libgcc to the linker.
5807
5808         * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.
5809
5810         * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
5811         (collect_execute): Add flags argument. Pass flags to pex_run. Update
5812         all callers.
5813         * collect2.h (collect_execute): Add flags argument.
5814         * tlink.c (tlink_execute): Update call to collect_execute.
5815         * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
5816         (use_linker_plugin): New.
5817         (use_linker_plugin_spec_function): New.
5818         (LINK_COMMAND_SPEC): Pass plugin options to the linker.
5819         (linker_plugin_file_spec): New.
5820         (lto_wrapper_spec): New.
5821         (lto_gcc_spec): New.
5822         (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
5823         (static_spec_functions): Add use-linker-plugin.
5824         (process_command): Handle -use-linker-plugin.
5825         (main): Use lto_wrapper_spec instead of lto_wrapper. Set
5826         linker_plugin_file_spec and lto_gcc_spec.
5827         (use_linker_plugin_spec_function): New.
5828
5829 2009-10-03  Richard Guenther  <rguenther@suse.de>
5830
5831         PR lto/41547
5832         PR lto/41548
5833         * tree.h (is_lang_specific): Include LANG_TYPE.
5834         * tree.c (find_decls_types_r): Manually add interesting parts
5835         of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.
5836
5837         * gimple.c (type_pair_hash): Make symmetric.
5838         (type_pair_eq): Likewise.
5839         (lookup_type_pair): Increase initial hashtable size.
5840         (gimple_force_type_merge): Rely on type-pair symmetry.
5841         (visit): Remove excessive checking code.
5842         (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
5843         (gimple_register_type): Remove getenv calls, shrink initial
5844         hashtable size.
5845
5846         PR middle-end/41502
5847         * cgraphunit.c (ipa_passes): Do not remove bodies of extern
5848         inline functions if not generating lto output.
5849
5850         PR lto/41379
5851         * toplev.c (finalize): In WPA mode remove the asm file.
5852
5853 2009-10-03  Doug Kwan  <dougkwan@google.com>
5854
5855         * ipa-inline.c (cgraph_mark_inline): Check
5856         edge->call_stmt_cannot_inline_p instead of calling
5857         gimple_call_cannot_inline_p.
5858         (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
5859         (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
5860         (inline_generate_summary): Do nothing in LTRANS.
5861         * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
5862         exists before calling gimple_call_cannot_inline_p.
5863         (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
5864         (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
5865         Update new_edge->lto_stmt_uid.
5866         * cgraphbuild.c (reset_inline_failed): New.
5867
5868         * common.opt (fwpa): New flag.
5869         (fltrans): New option.
5870         * gcc.c (gcc_lto_option_t): New type.
5871         (current_lto_option): New variable.
5872         (lto_single_spec_function): Remove and is replaced by ..
5873         (lto_option_spec_function): New function.
5874         (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
5875         passing the -flto flag.
5876         (cc1_options): Separate non-LTO related parts into ..
5877         (cc1_non_lto_options): Non-LTO related options shared by all FEs.
5878         (lto1_options): New spec for lto FE.
5879         (link_lto_options): New spec for handling LTO flags in linker.
5880         (invoke_lto_single): Re-format to fit in 80 column.  Replace
5881         lto-single with lto-option.
5882         (static_specs): Add cc1_non_lto_options, lto1_options and
5883         link_lto_options.
5884         (static_spec_function): Replace lto-single with lto-option.
5885         (process_command): Handle -flto, -fwpa and -fltran by setting
5886         current_lto_option and not passing it to subprocess unconditionally.
5887
5888 2009-10-03  Bill Maddox  <maddox@google.com>
5889
5890         Add `gcc' driver support for link-time code generation (LTO).
5891
5892         * collect2.c (enum pass): Add new literal PASS_LTOINFO.
5893         (lto_flag, lto_objects, lto_o_file): New variables.
5894         (struct lto_object, struct lto_object_list): New structures.
5895         (collect_exit, handler): Remove LTO temporary output file on exit.
5896         (add_lto_object): New function.
5897         (maybe_run_lto_and_relink): New function. Perform link time code
5898         generation and relinking for object files containing LTO information.
5899         (main): Invoke maybe_run_lto_and_relink().
5900         (dump_argv): New function.  For debugging, currently disabled.
5901         (scan_prog_file): Add LTO information pass.
5902         * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
5903         collect2.
5904         * toplev.c (compile_file): Emit assembler directive to create
5905         the `gnu_lto_v1' marker symbol when compiling with `-flto'.
5906
5907 2009-10-03  Diego Novillo  <dnovillo@google.com>
5908
5909         * c.opt: Add LTO to warn_abi and warn_psabi.
5910
5911         * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
5912         inline function.  Ignore language-specific nodes.  Update all users.
5913         (find_decls_types_r): Do not traverse the subtrees of
5914         language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
5915         * tree.h (is_lang_specific): New.
5916         * langhooks.h (struct lang_hooks_for_decls): Remove
5917         may_need_assembler_name_p.  Update all users.
5918
5919         * c-common.c (set_builtin_user_assembler_name): Move ...
5920         * builtins.c (set_builtin_user_assembler_name): ... here.
5921         (is_builtin_name): Add comment
5922         (is_builtin_fn): New.
5923         * except.c (output_ttype): Only call
5924         lookup_type_for_runtime if TYPE is not a runtime type.
5925
5926         * passes.c (register_pass): Call position_pass on
5927         all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
5928         * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
5929         (TV_IPA_LTO_DECL_IO): Define.
5930         (TV_IPA_LTO_CGRAPH_IO): Define.
5931         (TV_LTO): Define.
5932         (TV_WHOPR_WPA): Define.
5933         (TV_WHOPR_WPA_IO): Define.
5934         (TV_WHOPR_LTRANS): Define.
5935         (TV_WHOPR_WPA_FIXUP): Define.
5936         (TV_WHOPR_WPA_LTRANS_EXEC): Define.
5937         * tree-cfg.c (tree_node_can_be_shared): Make extern.
5938         * tree-flow.h (tree_node_can_be_shared): Declare.
5939         * tree-inline.c (tree_can_inline_p): Check that E has a
5940         statement associated with it.
5941         * tree.c (free_lang_data_in_binf): Factor out of ...
5942         (free_lang_data_in_type): ... here.
5943         Call RECORD_OR_UNION_TYPE_P.
5944         (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
5945         set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
5946         (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
5947         (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
5948         write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
5949         (gate_free_lang_data): Return true if flag_generate_lto is set.
5950         (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
5951         * c-common.h (set_builtin_user_assembler_name): Move ...
5952         * tree.h (set_builtin_user_assembler_name): ... here.
5953
5954         * common.opt (flto-report): New flag.
5955         * opts.c (complain_wrong_lang): Do not complain if running lto1.
5956         * collect2.c (scan_prog_file): Send the error output of
5957         'nm' to HOST_BIT_BUCKET.
5958
5959 2009-10-03  Ollie Wild  <aaw@google.com>
5960
5961         * langhooks-def.h (lhd_begin_section): New function declaration.
5962         (lhd_write_section): New function declaration.
5963         (lhd_end_section): New function declaration.
5964         (LANG_HOOKS_BEGIN_SECTION): New macro.
5965         (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
5966         (LANG_HOOKS_END_SECTION): New macro.
5967         (LANG_HOOKS_LTO): New macro.
5968         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
5969         * langhooks.c (output.h): Add include.
5970         (saved_section): New static variable.
5971         (lhd_begin_section): New function.
5972         (lhd_write_section_data): New function.
5973         (lhd_end_section): New function.
5974         * langhooks.h (struct lang_hooks_for_lto): New structure.
5975         (struct lang_hooks): Add member lto.
5976         * Makefile.in (langhooks.o): Add dependency on output.h.
5977
5978         * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.
5979
5980 2009-10-03  Richard Guenther  <rguenther@suse.de>
5981
5982         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
5983         Handle LTO.
5984
5985 2009-10-03  Simon Baldwin  <simonb@google.com>
5986             Richard Guenther  <rguenther@suse.de>
5987             Janis Johnson  <janis187@us.ibm.com>
5988             Doug Kwan  <dougkwan@google.com>
5989             Diego Novillo  <dnovillo@google.com>
5990             Ramana Radhakrishnan  <ramana.r@gmail.com>
5991             Ollie Wild  <aaw@google.com>
5992
5993         * doc/install.texi: Add documentation for libelf and --enable-lto.
5994         * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
5995         -flto-report, -flto-compression-level and -use-linker-plugin.
5996         * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
5997         Add section for LTO Testing.
5998
5999 2009-10-02  Cary Coutant  <ccoutant@google.com>
6000
6001         Add support for comdat type sections for DWARF v4.
6002         Merge from dwarf4 branch.
6003
6004         * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
6005         (dw_die_ref): Define vector type.
6006         (enum dw_val_class): Add dw_val_class_data8.
6007         (struct dw_val_struct): Add v.val_data8.
6008         (comdat_type_node_ref): New type.
6009         (struct die_struct): Move die_symbol into a union; add new field
6010         die_type_node.  Change all uses.
6011         (comdat_type_node): New type.
6012         (skeleton_chain_node): New type.
6013         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
6014         (comdat_type_list): New variable.
6015         (dwarf_tag_name): Add DW_TAG_type_unit.
6016         (dwarf_attr_name): Add DW_AT_signature.
6017         (add_AT_data8): New function.
6018         (replace_child): New function.
6019         (move_all_children): New function.
6020         (print_signature): New function.
6021         (print_die): Print signature information; add dw_val_class_data8.
6022         (attr_checksum): Support dw_val_class_data8.
6023         (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
6024         (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
6025         (checksum_sleb128, checksum_uleb128): New functions.
6026         (checksum_die_context): New function.
6027         (loc_checksum_ordered): New function.
6028         (attr_checksum_ordered): New function.
6029         (struct checksum_attributes): New structure.
6030         (collect_checksum_attributes): New function.
6031         (die_checksum_ordered): New function.
6032         (generate_type_signature): New function.
6033         (same_dw_val_p): Add dw_val_class_data8.
6034         (is_symbol_die): Use new is_declaration_die function.
6035         (is_declaration_die): New function.
6036         (should_move_die_to_comdat): New function.
6037         (clone_die): New function.
6038         (clone_tree): New function.
6039         (clone_as_declaration): New function.
6040         (copy_declaration_context): New function.
6041         (generate_skeleton_ancestor_tree): New function.
6042         (generate_skeleton_bottom_up): New function.
6043         (generate_skeleton): New function.
6044         (remove_child_or_replace_with_skeleton): New function.
6045         (break_out_comdat_types): New function.
6046         (struct decl_table_entry): New type.
6047         (htab_decl_hash): New function.
6048         (htab_decl_eq): New function.
6049         (htab_decl_del): New function.
6050         (copy_ancestor_tree): New function.
6051         (copy_decls_walk): New function.
6052         (copy_decls_for_unworthy_types): New function.
6053         (build_abbrev_table): Don't assert on missing die_symbol when doing
6054         comdat type sections.
6055         (size_of_die): Use DW_FORM_sig8 for external references.  Add
6056         dw_val_class_data8.
6057         (unmark_dies): Don't assert for unmarked dies when doing comdat
6058         type sections.
6059         (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
6060         (output_signature): New function.
6061         (output_die): Likewise.
6062         (output_compilation_unit_header): Mark output as DWARF version 3
6063         even if generating DWARF 4.
6064         (output_comdat_type_unit): New function.
6065         (output_line_info): Mark output as DWARF version 3 even if generating
6066         DWARF 4.
6067         (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
6068         DWARF-4.
6069         (dwarf2out_end_source_file): Likewise.
6070         (prune_unused_types_walk_attribs): Don't follow references into
6071         comdat type sections.
6072         (prune_unused_types_mark): When generating type units, do not mark
6073         children of non-defining declarations of types; do mark children of
6074         type entries.
6075         (prune_unused_types): Process comdat type sections.
6076         (htab_ct_hash): New function.
6077         (htab_ct_eq): New function.
6078         (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
6079         Add a pointer to the line table from type unit entries so
6080         DW_AT_decl_file has meaning.
6081         * varasm.c (default_elf_asm_named_section): Use identifier name as
6082         comdat key instead of lang hook.
6083
6084 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
6085
6086         * gcov-io.c (gcov_open): Open files read-only when MODE < 0.
6087
6088 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
6089
6090         * config/i386/i386.md (SWIM248): New mode iterator.
6091         (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
6092         divmodhi4 patterns using SWIM248 macro.
6093         (*divmod<mode>4): Macroize insn_and_split pattern from
6094         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
6095         and their corresponding splitters usign SWIM248 macro.  Split SImode
6096         insn to generate cltd and DImode insn to generate cqto instead of
6097         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
6098         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
6099         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
6100         *divmodsi_noext patterns using SWIM248 macro.
6101         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
6102         udivmodhi4 patterns using SWIM248 macro.
6103         (*udivmod<mode>4): Macroize insn_and_split pattern from
6104         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
6105         corresponding splitters using SWIM248 macro.
6106         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
6107         *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.
6108
6109 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
6110
6111         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
6112         of zero-sized element is zero-sized regardless of its extent.
6113
6114 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
6115
6116         PR debug/40521
6117         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
6118         * configure: Regenerated.
6119         * config.in: Regenerated.
6120         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
6121         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
6122         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
6123         not emitting .eh_frame, emit .cfi_sections .debug_frame
6124         directive.
6125
6126         PR debug/41404
6127         PR debug/41353
6128         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
6129         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
6130         with '\0'.
6131         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
6132         vars use DECL_RTL with resetting it back to NULL afterwards.
6133         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
6134         rtx_equal_p instead of asserting it is a SYMBOL_REF.
6135         (value_format): For dw_val_class_addr only use DW_FORM_addr if
6136         the attribute type allows it, otherwise use DW_FORM_dataN.
6137         (mem_loc_descriptor): Handle CONST_STRING.
6138         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
6139         Handle MEM with CONST_STRING address using add_AT_string.
6140         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
6141         CONST_STRING for const arrays initialized with a string literal.
6142         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
6143         (dwarf2out_finish): Call resolve_addr.
6144
6145 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
6146             Maxim Kuvyrkov  <maxim@codesourcery.com>
6147
6148         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
6149
6150 2009-10-02  Nick Clifton  <nickc@redhat.com>
6151
6152         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
6153         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
6154
6155 2009-10-01  Jan Hubicka  <jh@suse.cz>
6156
6157         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
6158         (cgraph_create_virtual_clone): Just pass redirect_callers
6159         around.
6160         * cgraph.h (cgraph_clone_node): Update prototype.
6161         * ipa-pure-const.c (self_recursive_p): New function.
6162         (propagate): Use it.
6163         * ipa-inline.c (cgraph_clone_inlined_nodes,
6164         cgraph_decide_recursive_inlining): Update.
6165
6166 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
6167
6168         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
6169         instructions for TARGET_OCTEON.
6170
6171 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6172
6173         * config/arm/arm.c (arm_override_options): Turn off
6174         flag_dwarf2_cfi_asm for AAPCS variants.
6175
6176 2009-10-01  Martin Jambor  <mjambor@suse.cz>
6177
6178         PR middle-end/12392
6179         * tree-sra.c (convert_callers): Do not call
6180         compute_inline_parameters on one caller more than once.
6181
6182 2009-10-01  Nick Clifton  <nickc@redhat.com>
6183
6184         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
6185         an empty string if not already defined.
6186
6187 2009-10-01  Martin Jambor  <mjambor@suse.cz>
6188
6189         PR bootstrap/41395
6190         * tree-sra.c (is_va_list_type): New function.
6191         (find_var_candidates): Call is_va_list_type.
6192         (find_param_candidates): Check that the type or the type pointed
6193         to are not va_list types.
6194
6195 2009-10-01  Martin Jambor  <mjambor@suse.cz>
6196
6197         PR c++/41503
6198         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
6199         DECL_ARTIFICIAL (param_decl) is true.
6200
6201 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
6202
6203         * tree.h (tree_decl_common::lang_flag_8): New.
6204         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
6205         keyword.
6206         * c-common.h (RID_CONSTEXPR): New.
6207
6208 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
6209
6210         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
6211         Use ref-all pointers.
6212         (alpha_gimplify_va_arg): Ditto.
6213
6214 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
6215
6216         PR target/41279
6217         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
6218         before insn counting loop now that BB_END (bb) is counted.  Ensure
6219         the return value isn't zero.
6220
6221 2009-09-30  Nick Clifton  <nickc@redhat.com>
6222
6223         * config.gcc (sh-symbianelf): Replace definition of extra_objs
6224         with separate definitions of c_target_objs and cxx_target_objs.
6225         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
6226         and symbian-base.o.
6227         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
6228         sh_symbian_import_export_class.
6229         * config/sh/sh-protos.h: Fix names of exported symbian functions.
6230         * config/sh/symbian.c: Delete, moving code into...
6231         * config/sh/symbian-base.c: ... here
6232         * config/sh/symbian-c.c: ... and here
6233         * config/sh/symbian-cxx.c: ... and here.
6234
6235 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
6236
6237         PR target/22093
6238         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
6239         of plus RTX into register.
6240
6241 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6242
6243         * doc/install.texi: Linguistic and markup fixes.
6244         (Configuration) <--disable-cpp>: Remove description.
6245         <--enable-maintainer-mode>: Autotools files are affected, too.
6246         <--with-sysroot>: Improve description.
6247         (Building): Bump required GNU make version.
6248
6249 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
6250
6251         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
6252         (x86_64-*-*): Ditto.
6253
6254         * config/i386/fma4intrin.h: New file, provide common x86 compiler
6255         intrinisics for FMA4.
6256         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
6257         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
6258         Add FMA4 check and fma4intrin.h.
6259         * config/i386/i386-c.c(ix86_target_macros_internal): Check
6260         ISA_FLAG for FMA4.
6261         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
6262         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
6263         constant for FMA4 support.
6264         (UNSPEC_FMA4_FMADDSUB): Ditto.
6265         (UNSPEC_FMA4_FMSUBADD): Ditto.
6266         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
6267         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
6268         (ix86_expand_fma4_multiple_memory): Ditto.
6269         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
6270         (OPTION_MASK_ISA_FMA4_UNSET): New.
6271         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
6272         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
6273         (ix86_handle_option): Handle -mfma4.
6274         (isa_opts): Handle -mfma4.
6275         (enum pta_flags): Add PTA_FMA4.
6276         (override_options): Add FMA4 support.
6277         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
6278         (IX86_BUILTIN_VFMADDSD): Ditto.
6279         (IX86_BUILTIN_VFMADDPS): Ditto.
6280         (IX86_BUILTIN_VFMADDPD): Ditto.
6281         (IX86_BUILTIN_VFMSUBSS): Ditto.
6282         (IX86_BUILTIN_VFMSUBSD): Ditto.
6283         (IX86_BUILTIN_VFMSUBPS): Ditto.
6284         (IX86_BUILTIN_VFMSUBPD): Ditto.
6285         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
6286         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
6287         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
6288         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
6289         (IX86_BUILTIN_VFNMADDSS): Ditto.
6290         (IX86_BUILTIN_VFNMADDSD): Ditto.
6291         (IX86_BUILTIN_VFNMADDPS): Ditto.
6292         (IX86_BUILTIN_VFNMADDPD): Ditto.
6293         (IX86_BUILTIN_VFNMSUBSS): Ditto.
6294         (IX86_BUILTIN_VFNMSUBSD): Ditto.
6295         (IX86_BUILTIN_VFNMSUBPS): Ditto.
6296         (IX86_BUILTIN_VFNMSUBPD): Ditto.
6297         (IX86_BUILTIN_VFMADDPS256): Ditto.
6298         (IX86_BUILTIN_VFMADDPD256): Ditto.
6299         (IX86_BUILTIN_VFMSUBPS256): Ditto.
6300         (IX86_BUILTIN_VFMSUBPD256): Ditto.
6301         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
6302         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
6303         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
6304         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
6305         (IX86_BUILTIN_VFNMADDPS256): Ditto.
6306         (IX86_BUILTIN_VFNMADDPD256): Ditto.
6307         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
6308         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
6309         (enum multi_arg_type): New enum for describing the various FMA4
6310         intrinsic argument types.
6311         (bdesc_multi_arg): New table for FMA4 intrinsics.
6312         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
6313         (ix86_expand_multi_arg_builtin): New function for creating FMA4
6314         intrinsics.
6315         (ix86_expand_builtin): Add FMA4 intrinsic support.
6316         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
6317         operand instructions.
6318         (ix86_expand_fma4_multiple_memory): New function to split the
6319         second memory reference from FMA4 instructions.
6320         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
6321         (ssemodesuffixf2s): Ditto.
6322         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
6323         instructions.
6324         (fma4_fmsub<mode>4): Ditto.
6325         (fma4_fnmadd<mode>4): Ditto.
6326         (fma4_fnmsub<mode>4): Ditto.
6327         (fma4_vmfmadd<mode>4): Ditto.
6328         (fma4_vmfmsub<mode>4): Ditto.
6329         (fma4_vmfnmadd<mode>4): Ditto.
6330         (fma4_vmfnmsub<mode>4): Ditto.
6331         (fma4_fmadd<mode>4256): Ditto.
6332         (fma4_fmsub<mode>4256): Ditto.
6333         (fma4_fnmadd<mode>4256): Ditto.
6334         (fma4_fnmsub<mode>4256): Ditto.
6335         (fma4_fmaddsubv8sf4): Ditto.
6336         (fma4_fmaddsubv4sf4): Ditto.
6337         (fma4_fmaddsubv4df4): Ditto.
6338         (fma4_fmaddsubv2df4): Ditto.
6339         (fma4_fmsubaddv8sf4): Ditto.
6340         (fma4_fmsubaddv4sf4): Ditto.
6341         (fma4_fmsubaddv4df4): Ditto.
6342         (fma4_fmsubaddv2df4): Ditto.
6343         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
6344         instructions for intrinsics.
6345         (fma4i_fmsub<mode>4): Ditto.
6346         (fma4i_fnmadd<mode>4): Ditto.
6347         (fma4i_fnmsub<mode>4): Ditto.
6348         (fma4i_vmfmadd<mode>4): Ditto.
6349         (fma4i_vmfmsub<mode>4): Ditto.
6350         (fma4i_vmfnmadd<mode>4): Ditto.
6351         (fma4i_vmfnmsub<mode>4): Ditto.
6352         (fma4i_fmadd<mode>4256): Ditto.
6353         (fma4i_fmsub<mode>4256): Ditto.
6354         (fma4i_fnmadd<mode>4256): Ditto.
6355         (fma4i_fnmsub<mode>4256): Ditto.
6356         (fma4i_fmaddsubv8sf4): Ditto.
6357         (fma4i_fmaddsubv4sf4): Ditto.
6358         (fma4i_fmaddsubv4df4): Ditto.
6359         (fma4i_fmaddsubv2df4): Ditto.
6360         (fma4i_fmsubaddv8sf4): Ditto.
6361         (fma4i_fmsubaddv4sf4): Ditto.
6362         (fma4i_fmsubaddv4df4): Ditto.
6363         (fma4i_fmsubaddv2df4): Ditto.
6364
6365         * doc/invoke.texi (-mfma4): Add documentation.
6366         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
6367
6368 2009-09-29  Richard Henderson  <rth@redhat.com>
6369
6370         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
6371         an edge to the new destination block.
6372
6373 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6374
6375         PR target/41393
6376         * pa.c (hppa_profile_hook): Use
6377         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
6378
6379 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
6380             Alexander Monakov  <amonakov@ispras.ru>
6381
6382         PR target/41365
6383         * config/ia64/predicates.md (not_postinc_destination_operand): New.
6384         (not_postinc_memory_operand): New.
6385         (not_postinc_move_operand): New.
6386         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
6387         (*cmovsi_internal): Ditto.
6388
6389 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
6390
6391         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
6392         restrict issue_rate in first pass when scheduling for register
6393         pressure.
6394
6395 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
6396             Rafael Avila de Espindola  <espindola@google.com>
6397
6398         * gengtype.c (plugin_output): New.
6399         (get_output_file_with_visibility): Return plugin_output for plugins.
6400         (main): Parse and use the -P option.
6401         * gty.texi: Update the command line format.
6402
6403 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
6404
6405         PR debug/41438
6406         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
6407         functions.
6408         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
6409         out if !const_ok_for_output.
6410
6411         PR debug/41474
6412         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
6413         case VAR_LOCATION>: Remove gcc_unreachable ().
6414
6415 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
6416
6417         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
6418         (x86_64-*-*): Ditto.
6419         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
6420         back to smmintrin.h.
6421         * config/i386/cpuid.h (bit_SSE5): Remove SSE5 bit.
6422         * config/i386/x86intrin.h: Remove SSE5.
6423         * config/i386/mmintrin-common.h: Delete file.
6424         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
6425
6426 2009-09-29  Richard Guenther  <rguenther@suse.de>
6427
6428         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
6429         resulting from stack temporaries on STRICT_ALIGNMENT targets.
6430
6431 2009-09-29  Nick Clifton  <nickc@redhat.com>
6432
6433         * function.c (current_function_name): If there is no current
6434         function just return "<none>".
6435
6436 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
6437
6438         * tree-pass.h (register_pass_info): New structure.
6439         (pass_positioning_ops): Move enum from gcc-plugin.h.
6440         (register_pass): New function.
6441         * gcc-plugin.h (plugin_pass): Delete structure.
6442         (pass_positioning_ops): Delete enum.
6443         * plugin.c (regsiter_pass): Delete function.
6444         (position_pass): Delete function.
6445         (added_pass_nodes): Delete variable.
6446         (prev_added_pass_nodes): Delete variable.
6447         (pass_list_node): Delete structure.
6448         * passes.c (make_pass_instance): New function.
6449         (next_pass_1): Change to call make_pass_instance.
6450         (pass_list_node): Move structure from gcc-plugin.h.
6451         (added_pass_nodes): Move variable from plugin.c.
6452         (prev_added_pass_nodes): Move variable from plugin.c.
6453         (position_pass): New function.
6454         (register_pass): New function.
6455
6456 2009-09-28  Easwaran Raman  <eraman@google.com>
6457
6458         * ifcvt.c (noce_try_abs): Recognize pattern and call
6459         expand_one_cmpl_abs_nojump.
6460         * optabs.c (expand_one_cmpl_abs_nojump): New function.
6461         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
6462
6463 2009-09-28  Ian Lance Taylor  <iant@google.com>
6464
6465         PR middle-end/40500
6466         * c-opts.c (c_common_handle_option): Don't set
6467         warn_jump_misses_init for -Wall.
6468         * doc/invoke.texi (Warning Options): Update documentation.
6469
6470 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6471
6472         * Makefile.in ($(out_object_file)): Depend on
6473         gt-$(basename $(notdir $(out_file))).h.
6474
6475 2009-09-28  Richard Henderson  <rth@redhat.com>
6476
6477         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
6478         * except.c (gen_eh_region): Set it.
6479         (duplicate_eh_regions_1): Copy it.
6480         * tree-eh.c (lower_resx): Use it to determine which function
6481         to call to resume.
6482
6483         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
6484         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
6485         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
6486         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
6487         BUILT_IN_CXA_END_CLEANUP if necessary.
6488
6489         * c-common.c (c_define_builtins): Update call to
6490         build_common_builtin_nodes.
6491
6492 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6493
6494         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
6495
6496 2009-09-28  Michael Matz  <matz@suse.de>
6497
6498         * builtins.c (interclass_mathfn_icode): New helper.
6499         (expand_builtin_interclass_mathfn): Use it here, and split folding
6500         into ...
6501         (fold_builtin_interclass_mathfn): ... this new folder.
6502         (build_call_nofold_loc): New static helper.
6503         (build_call_nofold): New wrapper macro for above.
6504         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
6505         (expand_builtin_pow): Ditto.
6506         (expand_builtin_memset_args): Ditto.
6507         (expand_builtin_printf): Ditto.
6508         (expand_builtin_fprintf): Ditto.
6509         (expand_builtin_sprintf): Ditto.
6510         (expand_builtin_memory_chk): Ditto.
6511         (expand_builtin_mempcpy_args): Ditto and don't call folders.
6512         (expand_builtin_stpcpy): Ditto.
6513         (expand_builtin_strcmp): Ditto.
6514         (expand_builtin_strncmp): Ditto.
6515         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
6516         (expand_builtin_strcpy_args): Don't call folders.
6517         (expand_builtin_memcmp): Ditto.
6518         (expand_builtin_strncpy): Ditto, and use target.
6519         (expand_builtin_memcpy): Ditto.
6520         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
6521         expand_builtin_strpbrk, expand_builtin_memmove,
6522         expand_builtin_memmove_args, expand_builtin_bcopy,
6523         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
6524         expand_builtin_strspn, expand_builtin_strcspn,
6525         expand_builtin_fputs): Remove these.
6526         (expand_builtin): Don't call the above, change calls to other
6527         expanders that changed prototype.
6528         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
6529         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
6530         fold_builtin_interclass_mathfn.
6531         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
6532         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
6533
6534         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
6535         * passes.c (init_optimization_passes): Move pass_fold_builtins
6536         after last phiopt pass.
6537         * tree-inline.c (fold_marked_statements): When folding builtins
6538         iterate over all instruction potentially generated.
6539         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
6540         earlier.
6541         (fold_gimple_call): Use it to always fold calls (into potentially
6542         multiple instructions).
6543         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
6544         calls into zero at this time.
6545         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
6546         statements generated by builtin folding.
6547
6548 2009-09-28  Nick Clifton  <nickc@redhat.com>
6549
6550         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.
6551
6552 2009-09-28  Duncan Sands  <baldrick@free.fr>
6553
6554         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
6555         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
6556         (register_callback): Dispatch it.
6557         (invoke_plugin_callbacks): Incorporate in sanity check.
6558         * ggc.h (ggc_register_cache_tab): Add declaration.
6559         * ggc-common.c (ggc_register_root_tab): Simplify.
6560         (const_ggc_cache_tab_t): New typedef.
6561         (extra_cache_vec): New vector of dynamically added cache tables.
6562         (ggc_register_cache_tab): New function.
6563         (ggc_scan_cache_tab): New function.
6564         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
6565         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
6566
6567 2009-09-27  Richard Henderson  <rth@redhat.com>
6568
6569         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
6570         which we remove __builtin_stack_restore.
6571
6572 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6573
6574         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
6575         to test for GRD_INVARIANT.
6576         (simple_rhs_p): Anything that's function_invariant_p is fine.
6577
6578 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
6579
6580         * gengtype.c (main): Use plunge_files instead of plugin_output.
6581
6582 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
6583             Rafael Avila de Espindola  <espindola@google.com>
6584
6585         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
6586         Don't print pch related info if it is false.
6587         (main): Don't print pch info in plugin mode.
6588
6589 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
6590
6591         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
6592         with dw_val_class_const_double.
6593         (struct dw_val_struct): Replace val_long_long with val_double and
6594         adjust for above change.
6595         (output_loc_operands): Likewise.
6596         (add_AT_long_long): Rename into...
6597         (add_AT_double): ...this.
6598         (print_die): Replace dw_val_class_long_long with
6599         dw_val_class_const_double and adjust.
6600         (attr_checksum): Likewise.
6601         (same_dw_val_p): Likewise.
6602         (size_of_die): Likewise.
6603         (value_format): Likewise.
6604         (output_die): Likewise.
6605         (loc_descriptor) <CONST_DOUBLE>: Likewise.
6606         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
6607         instead of add_AT_long_long.
6608         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
6609         value with the precision of its type.
6610
6611 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
6612
6613         PR c/41476
6614         * c-typeck.c (build_conditional_expr): Use the readonly and
6615         volatile flags of the operand types, not of the operands itself.
6616
6617 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
6618
6619         * collect2.c (main): Look for -brtl before adding libraries.
6620
6621 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
6622
6623         * config.gcc: Update OpenBSD targets.
6624         * config/openbsd-stdint.h: New file.
6625         * config/openbsd-libpthread.h: New file.
6626         * config/openbsd.h: Update and break out LIB_SPEC definition.
6627         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
6628         * config/i386/openbsdelf.h: Correct types.
6629         * config/m68k/openbsd.h: Likewise.
6630         * config/mips/openbsd.h: Likewise.
6631         * config/vax/openbsd.h: Likewise.
6632
6633 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
6634
6635         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
6636         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
6637         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
6638         of the length and zero.
6639
6640 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6641
6642         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
6643         (FLAGS_H): Add options.h $(REAL_H).
6644         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
6645         (TREE_VECTORIZER_H): New.
6646         (EBITMAP_H): Renamed from EBIMAP_H.
6647         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
6648         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
6649         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
6650         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
6651         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
6652         (graphite-clast-to-gimple.o, graphite-dependences.o)
6653         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
6654         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
6655         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
6656         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
6657         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
6658         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
6659         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
6660         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
6661         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
6662         updated and fixed as per above changes and per
6663         check_makefile_deps.sh output.
6664
6665         PR bootstrap/40928
6666         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
6667         * configure: Regenerate.
6668
6669 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6670
6671         * doc/install.texi: Update minimum MPC version to 0.7.
6672
6673 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
6674
6675         * doc/install.texi (Binaries): Remove reference to the binary
6676         distribution CD-ROM from the FSF.
6677
6678 2009-09-26  Michael Matz  <matz@suse.de>
6679
6680         PR lto/40758
6681         PR middle-end/41470
6682         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
6683         that are mentioned in the body.
6684
6685 2009-09-26  Michael Matz  <matz@suse.de>
6686
6687         PR tree-optimization/41454
6688         * tree-ssa-dom (stmts_to_rescan): Remove variable.
6689         (tree_ssa_dominator_optimize): Don't allocate and free it.
6690         (dom_opt_leave_block): Don't iterate over it.
6691         (eliminate_redundant_computations): Don't return a value.
6692         (cprop_operand, cprop_into_stmt): Ditto.
6693         (optimize_stmt): Don't defer updating stmts.
6694
6695 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
6696
6697         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
6698         generic_parameter_die, template_parameter_pack_die,
6699         gen_formal_parameter_die, gen_subprogram_die): Adjust after
6700         renaming DW_TAG_formal_parameter_pack and
6701         DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
6702         and DW_TAG_GNU_template_parameter_pack.
6703
6704 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
6705
6706         * config/v850/v850.h (FUNCTION_VALUE): Remove.
6707         * config/v850/v850.c (v850_function_value): New function.
6708         (TARGET_FUNCTION_VALUE): Define.
6709
6710 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
6711
6712         * tree-vect-stmts.c (vectorizable_call): Call
6713         mark_symbols_for_renaming after vect_finish_stmt_generation.
6714
6715         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
6716         to loc_descriptor_from_tree.
6717         (add_location_or_const_value_attribute): Pass 0 instead of 2
6718         for decl_by_reference_p decls.
6719
6720 2009-09-25  Richard Guenther  <rguenther@suse.de>
6721
6722         PR middle-end/41463
6723         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
6724         arrays again.
6725
6726 2009-09-25  Ben Elliston  <bje@au.ibm.com>
6727
6728         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
6729         after `power7'.
6730
6731 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
6732
6733         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
6734         form of instruction.
6735
6736 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6737
6738         PR middle-end/41435
6739         * fold-const.c (const_binop): Handle complex int division.
6740         * tree-complex.c (expand_complex_div_straight,
6741         expand_complex_div_wide): Update comments.
6742
6743 2009-09-24  DJ Delorie  <dj@redhat.com>
6744
6745         PR target/41456
6746         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
6747         (reg_class): Likewise.
6748         (REG_CLASS_NAMES): Likewise.
6749         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
6750         (m32c_override_options): Disable -fivopts for M32C.
6751
6752 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6753
6754         * config/rs6000/predicates.md (indexed_or_indirect_operand):
6755         Delete VSX load/store with update support.
6756         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
6757         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
6758         (vsx_movti): Ditto.
6759         (VSX_U): Delete.
6760         (VSbit): Ditto.
6761         (VStype_load_update): Ditto.
6762         (VStype_store_update): Ditto.
6763         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
6764         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
6765
6766         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
6767         load/store with update builtins.
6768
6769 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
6770
6771         * libgcc2.c (L_trampoline): Prototype for getpagesize
6772         and mprotect in WINNT case.
6773
6774 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
6775
6776         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
6777         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
6778         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
6779         'outgoing' argument.
6780         (TARGET_FUNCTION_VALUE): Define.
6781
6782 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6783
6784         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
6785
6786 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6787
6788         PR bootstrap/41405
6789         * common.opt: Initialize dwarf_strict to -1.
6790         * toplev.c (process_options): Catch unset dwarf_strict
6791         and set to 0 for all targets not overriding.
6792         * config/darwin.c (darwin_override_options): Catch unset
6793         dwarf_strict and override to 1.
6794
6795 2009-09-24  Jeff Law  <law@redhat.com>
6796
6797         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
6798
6799 2009-09-24  Richard Guenther  <rguenther@suse.de>
6800
6801         PR tree-optimization/36143
6802         PR tree-optimization/38747
6803         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
6804         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
6805
6806 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
6807
6808         PR bootstrap/41457
6809         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
6810         return false instead of gcc_unreachable ().  For CONST return the
6811         value returned by recursive call instead of always returning true.
6812         (tree_add_const_value_attribute): Return the value returned by
6813         add_const_value_attribute instead of always returning true if rtl
6814         is non-NULL.
6815
6816 2009-09-23  Justin Seyster  <jrseys@gmail.com>
6817
6818         * Makefile.in (PLUGIN_HEADERS): Include real.h.
6819
6820 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
6821
6822         * cgraphunit.c (cgraph_lower_function): Revert last change.
6823         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
6824         instead of DECL_NO_STATIC_CHAIN.
6825         * tree-cfg.c (verify_gimple_call): Likewise.
6826         * tree-nested.c (get_chain_decl, get_chain_field,
6827         convert_tramp_reference_op, convert_gimple_call): Likewise.
6828         (convert_all_function_calls): Likewise.  Always set or clear
6829         DECL_STATIC_CHAIN initially, for !n->outer clear it.
6830         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
6831         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
6832         if nested.
6833         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
6834         DECL_NO_STATIC_CHAIN.
6835         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
6836         instead of DECL_NO_STATIC_CHAIN.
6837         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
6838         decl_function_context.
6839         * varasm.c (initializer_constant_valid_p): Likewise.
6840         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
6841         (DECL_STATIC_CHAIN): ... this.
6842         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
6843         instead of DECL_NO_STATIC_CHAIN.
6844
6845 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
6846             Rafael Avila de Espindola  <espindola@google.com>
6847
6848         * gengtype.c (nb_plugin_files): Make it unsigned to match
6849         num_gt_files. Adjust other variables to avoid warnings.
6850         (main): Allocate an all zero lang_bitmap before each plugin file name
6851         to match regular file names.
6852
6853 2009-09-23  Richard Henderson  <rth@redhat.com>
6854
6855         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
6856         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
6857         static chain passed in memory.
6858         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
6859         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
6860         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
6861         STATIC_CHAIN_REGNUM defined.
6862
6863         * config/picochip/picochip-protos.h: s/class/klass/.
6864         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
6865         (picochip_static_chain): New.
6866         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
6867         (STATIC_CHAIN_INCOMING): Remove.
6868
6869         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
6870         (xtensa_static_chain): New.
6871         * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
6872         (STATIC_CHAIN_INCOMING): Remove.
6873
6874 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
6875
6876         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
6877         * config/pa/pa-protos.h (function_value): Remove.
6878         * config/pa/pa.c (pa_function_value): Rename from function_value.
6879         Make static, add 'outgoing' argument.
6880         (TARGET_FUNCTION_VALUE): Define.
6881
6882 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
6883
6884         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
6885         instead of cfun->machine->is_leaf.
6886         * config/avr/avr.h (machine_function): Remove is_leaf field.
6887
6888 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
6889
6890         PR debug/41439
6891         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
6892         DW_OP_piece after DW_OP_stack_value, adjust size calculations
6893         for it, when DW_OP_stack_value and DW_OP_implicit_value has
6894         the same size, prefer DW_OP_stack_value.
6895         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
6896         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
6897
6898 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
6899
6900         PR debug/41353
6901         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
6902
6903 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
6904
6905         PR debug/41248
6906         * cfgexpand.c (convert_debug_memory_address): New.
6907         (expand_debug_expr): Convert base address and offset to the same
6908         mode.  Use it to convert addresses to other modes.  Accept
6909         ptr_mode addresses.
6910
6911 2009-09-23  Dodji Seketeli <dodji@redhat.com>
6912
6913         PR debug/41065
6914         * function.h (types_used_by_vars_hash): Declare new hash table.
6915         (types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
6916         equality and hash function for the hash table.
6917         (types_used_by_cur_var_decl): Declare a new global chained list.
6918         (types_used_by_var_decl_insert): Declare new function.
6919         * function.c (types_used_by_vars_hash): Define the hashtable ...
6920         (types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
6921         its equality and hash functions.
6922         (hash_types_used_by_vars_entry): New hash helper.
6923         (types_used_by_cur_var_decl): Define the global chained list.
6924         (used_types_insert): Update the list of types used by the global
6925         variable being parsed.
6926         (types_used_by_var_decl_insert): Define new function.
6927         * c-common.h (record_types_used_by_current_var_decl): Declare ...
6928         * c-common.c (record_types_used_by_current_var_decl): ... new
6929         function.
6930         * c-decl.c (finish_decl): Record the types used by the global
6931         variable declaration we've just parsed.
6932         * dwarf2out.c (premark_used_types): Insert a new line between
6933         comment and function.
6934         (premark_used_types_helper): Fix comment.
6935         (premark_types_used_by_global_vars_helper,
6936         premark_types_used_by_global_vars): New functions.
6937         (prune_unused_types): Do not prune types used by global variables.
6938
6939 2009-09-23  Richard Guenther  <rguenther@suse.de>
6940
6941         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
6942         produced for bigendian targets with promoted subregs.
6943
6944 2009-09-23  Richard Guenther  <rguenther@suse.de>
6945
6946         * value-prof.c (gimple_ic): Purge old EH edges only after building
6947         the new ones.
6948
6949 2009-09-23  Nick Clifton  <nickc@redhat.com>
6950
6951         * config/arc/arc.c (arc_trampoline_init): Fix typo.
6952
6953 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
6954
6955         PR bootstrap/41405
6956         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
6957
6958         PR bootstrap/41436
6959         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
6960         on non-nested functions.
6961
6962 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
6963             Jan Hubicka  <jh@suse.cz>
6964
6965         * dwarf2out.c (loc_list_plus_const): Only define if
6966         DWARF2_DEBUGGING_INFO.
6967         (address_of_int_loc_descriptor): Likewise.
6968
6969         PR debug/41411
6970         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
6971
6972 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
6973
6974         PR c/39779
6975         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
6976         constant is more than zero.
6977
6978 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
6979
6980         PR target/40473
6981         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
6982         call final to emit non-scheduled prologue, instead insert at entry.
6983
6984 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
6985             Joseph S. Myers  <joseph@codesourcery.com>
6986
6987         * doc/install.texi (*-*-freebsd*): Add proper format codes.
6988
6989 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
6990             Rafael Avila de Espindola  <espindola@google.com>
6991
6992         * gengtype.c (is_file_equal): New function.
6993         (close_output_files): Use is_file_equal. Free of->buf.
6994
6995 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
6996             Rafael Avila de Espindola  <espindola@google.com>
6997
6998         * gengtype.c (write_types, write_local): Add the output_header
6999         argument. Update all callers.
7000
7001 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
7002
7003         * dwarf2out.c (template_parameter_pack_die,
7004         gen_formal_parameter_pack_die ): New functions.
7005         (make_ith_pack_parameter_name): Remove this function.
7006         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
7007         DW_TAG_formal_parameter_pack.
7008         (gen_generic_params_dies): Represent each template parameter pack
7009         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
7010         represented by usual DW_TAG_template_*_parameter DIEs that are
7011         children of the DW_TAG_template_parameter_pack element DIE.
7012         (generic_parameter_die): This doesn't deal with parameter pack
7013         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
7014         of parameter pack DIEs.
7015         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
7016         in certain cases, e.g. for pack elements.
7017         (gen_formal_types_die, gen_decl_die): Adjust usage of
7018         gen_formal_parameter_die.
7019         (gen_subprogram_die): Represent each function parameter pack by a
7020         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
7021         represented by usual DW_TAG_formal_parameter DIEs that are children
7022         of the DW_TAG_formal_parameter_pack DIE. Remove references to
7023         ____builtin_va_alist decls as no part of the compiler uses those
7024         anymore.
7025         * langhooks.h (struct lang_hooks_for_decls): Add
7026         function_parm_expanded_from_pack_p, get_generic_function_decl
7027         and function_parameter_pack_p hooks.  Fix comment for
7028         get_innermost_generic_parms hook.
7029         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
7030         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
7031         macros and use them to initialize lang_hook.
7032
7033 2009-09-22  Richard Henderson  <rth@redhat.com>
7034
7035         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
7036         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
7037         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
7038         on TRAMPOLINE_TEMPLATE.
7039         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
7040         TRAMPOLINE_ADJUST_ADDRESS.
7041         * targhooks.c (default_asm_trampoline_template): Remove.
7042         (default_trampoline_adjust_address): Remove.
7043         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
7044         * targhooks.h: Update decls.
7045
7046 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
7047
7048         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
7049         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
7050         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
7051
7052 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
7053
7054         PR debug/41295
7055         * reload1.c (reload): Reset debug insns with pseudos without
7056         equivalences.
7057
7058 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
7059
7060         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
7061         unconditional true for decimal float modes.
7062         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
7063         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
7064
7065 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
7066
7067         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
7068         Enable a new case for __FreeBSD__ >= 7.
7069         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
7070         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
7071         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
7072         and USE_LD_AS_NEEDED.
7073
7074         * doc/install.texi (*-*-freebsd*): Update target information.
7075
7076 2009-09-22  Richard Guenther  <rguenther@suse.de>
7077
7078         PR middle-end/41395
7079         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
7080         arrays really properly.
7081
7082 2009-09-22  Richard Henderson  <rth@redhat.com>
7083
7084         PR target/41246
7085         * target.h (struct gcc_target): Add asm_out.trampoline_template,
7086         calls.static_chain, calls.trampoline_init,
7087         calls.trampoline_adjust_address.
7088         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7089         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
7090         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
7091         * builtins.c (expand_builtin_setjmp_receiver): Use
7092         targetm.calls.static_chain; only clobber registers.
7093         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
7094         set up memory attributes properly for the trampoline block.
7095         (expand_builtin_adjust_trampoline): Use
7096         targetm.calls.trampoline_adjust_address.
7097         * calls.c (prepare_call_address): Add fndecl argument.  Use
7098         targetm.calls.static_chain.
7099         * df-scan.c (df_need_static_chain_reg): Remove.
7100         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
7101         consolodate static chain handling.
7102         * doc/tm.texi: Document new hooks.
7103         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
7104         (init_emit_regs): Don't initialize them.
7105         * expr.h (prepare_call_address): Update decl.
7106         * final.c (profile_function): Use targetm.calls.static_chain.
7107         * function.c (expand_function_start): Likewise.
7108         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
7109         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
7110         only clobber registers.
7111         * targhooks.c (default_static_chain): New.
7112         (default_asm_trampoline_template, default_trampoline_init): New.
7113         (default_trampoline_adjust_address): New.
7114         * targhooks.h: Declare them.
7115         * varasm.c (assemble_trampoline_template): Use
7116         targetm.asm_out.trampoline_template.  Make the memory block const
7117         and set its size.
7118
7119         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
7120         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
7121         differences into the TARGET_ABI_OPEN_VMS code block.
7122         (TARGET_TRAMPOLINE_INIT): New.
7123         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
7124         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
7125         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
7126         (INITIALIZE_TRAMPOLINE): Remove.
7127
7128         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
7129         (TRAMPOLINE_TEMPLATE): Merge with ...
7130         (INITIALIZE_TRAMPOLINE): ... this and move ...
7131         * config/arc/arc.c (arc_trampoline_init): ... here.
7132         (TARGET_TRAMPOLINE_INIT): New.
7133
7134         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7135         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
7136         (arm_asm_trampoline_template): New.
7137         (arm_trampoline_init, arm_trampoline_adjust_address): New.
7138         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
7139         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
7140         code to arm_asm_trampoline_template.
7141         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
7142         arm_trampoline_adjust_address.
7143         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
7144         adjust for target hook parameters.
7145
7146         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
7147         Remove.
7148
7149         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
7150         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
7151         (bfin_trampoline_init): Rename from initialize_trampoline;
7152         make static; update for target hook parameters.
7153         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
7154         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
7155         bfin_asm_trampoline_template.
7156         (INITIALIZE_TRAMPOLINE): Remove.
7157
7158         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7159         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
7160         cris_trampoline_init): New.
7161         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
7162         cris_asm_trampoline_template.
7163         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
7164         adjust for target hook parameters.
7165
7166         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
7167
7168         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7169         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
7170         fr30_trampoline_init): New.
7171         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
7172         fr30_asm_trampoline_template.
7173         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
7174         adjust for target hook parameters.
7175
7176         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
7177         (frv_trampoline_init): Rename from frv_initialize_trampoline;
7178         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
7179         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
7180         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
7181
7182         * config/h8300/h8300.c (h8300_trampoline_init): New.
7183         (TARGET_TRAMPOLINE_INIT): New.
7184         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
7185         to h8300_trampoline_init and adjust for hook parameters.
7186
7187         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
7188         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
7189         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
7190         make static; adjust for hook parameters.
7191         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
7192
7193         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7194         (TARGET_TRAMPOLINE_INIT): New.
7195         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
7196         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
7197         iq2000_asm_trampoline_template.
7198         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
7199         (TRAMPOLINE_CODE_SIZE): New.
7200         (TRAMPOLINE_SIZE): Use it.
7201         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
7202
7203         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
7204         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
7205         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
7206         adjust for hook parameters.
7207         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
7208
7209         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
7210         (m32r_trampoline_init): New.
7211         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
7212         m32r_trampoline_init.
7213
7214         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
7215         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
7216         make static; update for hook parameters.
7217         * config/m68hc11/m68hc11-protos.h: Update.
7218         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
7219
7220         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7221         (TARGET_TRAMPOLINE_INIT): New.
7222         (mcore_function_value): Fix typo.
7223         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
7224         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
7225         to mcore_asm_trampoline_template.
7226         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
7227
7228         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
7229         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
7230         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
7231         update for hook parameters.
7232         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
7233
7234         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7235         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
7236         mips_trampoline_init): New.
7237         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
7238         mips_asm_trampoline_template.
7239         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
7240         update for hook parameters.
7241
7242         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7243         (TARGET_TRAMPOLINE_INIT): New.
7244         (mmix_trampoline_size): Remove.
7245         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
7246         make static.  Remove out-of-date tetra vs octa comment.
7247         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
7248         make static; update for hook parameters.
7249         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
7250         (INITIALIZE_TRAMPOLINE): Remove.
7251         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
7252         (TRAMPOLINE_ALIGNMENT): New.
7253         * gcc/config/mmix/mmix-protos.h: Update.
7254
7255         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7256         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
7257         mn10300_trampoline_init): New.
7258         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
7259         mn10300_asm_trampoline_template.
7260         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
7261
7262         * config/moxie/moxie.c (moxie_static_chain,
7263         moxie_asm_trampoline_template, moxie_trampoline_init,
7264         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
7265         TARGET_TRAMPOLINE_INIT): New.
7266         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
7267         moxie_trampoline_init.
7268         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
7269         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
7270
7271         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7272         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
7273         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
7274         pa_trampoline_adjust_address): New.
7275         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
7276         pa_asm_trampoline_template.
7277         (TRAMPOLINE_ALIGNMENT): New.
7278         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
7279         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
7280         adjust for hook parameters.
7281         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
7282
7283         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
7284         (TARGET_TRAMPOLINE_INIT): New.
7285         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
7286         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
7287
7288         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
7289
7290         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
7291         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
7292         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
7293         make static; adjust parameters for the hook.
7294         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
7295
7296         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
7297         s390_trampoline_template; make static.
7298         (s390_trampoline_init): Rename from s390_initialize_trampoline;
7299         make static; adjust for target hook.
7300         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
7301         * config/s390/s390-protos.h: Remove trampoline decls.
7302         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
7303         (TRAMPOLINE_TEMPLATE): Remove.
7304         (TRAMPOLINE_ALIGNMENT): New.
7305
7306         * config/score/score-protos.h (score_initialize_trampoline): Remove.
7307         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7308         (TARGET_TRAMPOLINE_INIT): New.
7309         (score_asm_trampoline_template): New.
7310         (score_trampoline_init): Rename from score_initialize_trampoline;
7311         make static; adjust for hook parameters.
7312         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
7313         score[37]_asm_trampoline_template.
7314         (INITIALIZE_TRAMPOLINE): Remove.
7315         * config/score/score3.c (score3_asm_trampoline_template): New.
7316         (score3_trampoline_init): Rename from score3_initialize_trampoline;
7317         adjust for target hook.
7318         * config/score/score7.c (score7_asm_trampoline_template): New.
7319         (score7_trampoline_init): Rename from score7_initialize_trampoline;
7320         adjust for target hook.
7321         * config/score/score3.h, config/score/score7.h: Update.
7322
7323         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
7324         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
7325         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
7326         (sh_trampoline_init): Rename from sh_initialize_trampoline;
7327         make static; adjust for target hook parameters.
7328         (sh_trampoline_adjust_address): New.
7329         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
7330         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
7331
7332         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
7333         (sparc32_initialize_trampoline): Rename from
7334         sparc_initialize_trampoline; make static; replace tramp parameter
7335         with m_tramp and update memory accesses.
7336         (sparc64_initialize_trampoline): Similarly.
7337         (sparc_trampoline_init): New.
7338         * config/sparc/sparc-protos.h: Remove trampoline decls.
7339         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
7340         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
7341
7342         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
7343         (array_to_constant): Make ARR parameter const.
7344         (spu_trampoline_init): Rename from spu_initialize_trampoline;
7345         make static; update for hook parameters.
7346         * config/spu/spu-protos.h: Update decls.
7347         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
7348
7349         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
7350         from xstormy16_initialize_trampoline; make static; update for
7351         hook parameters.
7352         (TARGET_TRAMPOLINE_INIT): New.
7353         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
7354
7355         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7356         (TARGET_TRAMPOLINE_INIT): New.
7357         (v850_can_eliminate): Make static.
7358         (v850_asm_trampoline_template, v850_trampoline_init): New.
7359         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
7360         v850_asm_trampoline_template.
7361         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
7362         and adjust for target hook parameters.
7363
7364         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7365         (TARGET_TRAMPOLINE_INIT): New.
7366         (vax_asm_trampoline_template, vax_trampoline_init): New.
7367         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
7368         vax_asm_trampoline_template.
7369         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
7370
7371         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7372         (TARGET_TRAMPOLINE_INIT): New.
7373         (xtensa_asm_trampoline_template): Rename from
7374         xtensa_trampoline_template; make static.
7375         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
7376         make static; update for hook parameters.
7377         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
7378         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
7379         (INITIALIZE_TRAMPOLINE): Remove.
7380
7381         * config/i386/i386.c (ix86_function_regparm): Do not issue an
7382         error for nested functions with regparm=3.
7383         (ix86_compute_frame_layout): Adjust frame pointer offset for
7384         ix86_static_chain_on_stack.
7385         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
7386         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
7387         don't reset to UNITS_PER_WORD.
7388         (ix86_emit_leave): Adjust ix86_cfa_state.
7389         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
7390         (ix86_static_chain): New.
7391         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
7392         make static; update for target hook parameters; use ix86_static_chain.
7393         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
7394         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
7395         (INITIALIZE_TRAMPOLINE): Remove.
7396         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
7397         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
7398         to the end.  Add static_chain_on_stack.
7399         (ix86_static_chain_on_stack): New.
7400
7401         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
7402         (m68k_output_mi_thunk): Don't use static_chain_rtx.
7403         (m68k_trampoline_init): New.
7404         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
7405         m68k_trampoline_init and adjust for hook parameters.
7406         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
7407         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
7408
7409 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
7410
7411         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
7412         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
7413
7414         * reload1.c (reload): Call wrap_constant when substituting
7415         reg for equiv inside of DEBUG_INSNs.
7416
7417         PR bootstrap/41405
7418         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
7419         add_call_src_coords_attributes, add_high_low_attributes,
7420         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
7421         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
7422         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
7423         when -gdwarf-2 -gstrict-dwarf.
7424         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
7425         -gdwarf-[23] -gstrict-dwarf.
7426         (address_of_int_loc_descriptor, loc_descriptor,
7427         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
7428         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
7429         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
7430
7431 2009-09-22  Richard Guenther  <rguenther@suse.de>
7432
7433         PR tree-optimization/41428
7434         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
7435         (ccp_finalize): Pass it to substitute_and_fold.
7436
7437 2009-09-22  Richard Guenther  <rguenther@suse.de>
7438
7439         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
7440         (substitute_and_fold): Adjust prototype.
7441         * tree-vrp.c (vrp_evaluate_conditional): Make static.
7442         (simplify_stmt_using_ranges): Likewise.
7443         (fold_predicate_in): Move here from tree-ssa-propagate.c.
7444         (vrp_fold_stmt): New function.
7445         (vrp_finalize): Pass it to substitute_and_fold.
7446         * tree-flow.h (vrp_evaluate_conditional): Remove.
7447         (simplify_stmt_using_ranges): Likewise.
7448         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
7449         * tree-ssa-copy.c (fini_copy_prop): Likewise.
7450         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
7451         member.
7452         (fold_predicate_in): Move to tree-vrp.c.
7453         (substitute_and_fold): Use the callback instead of calling into
7454         tree-vrp.c functions directly.
7455
7456 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
7457
7458         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
7459         comparison warning on rs6000.
7460
7461         PR middle-end/41429
7462         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
7463         GIMPLE_EH_MUST_NOT_THROW cleanup.
7464         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
7465
7466 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
7467
7468         PR middle-end/41260
7469         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
7470         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
7471         LIB_SPEC for darwin10 and later since it always uses the unwinder in
7472         libSystem which is derived from the gcc 4.2.1 unwinder.
7473
7474 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
7475
7476         PR middle-end/41357
7477         * varasm.c (default_encode_section_info): Copy TLS model into
7478         sym_ref flags regardless of backend support for TLS, for all
7479         model types except TLS_MODEL_EMULATED.
7480
7481 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
7482
7483         PR bootstrap/41404
7484         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
7485         we can handle it correctly.
7486
7487 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
7488
7489         * doc/install.texi (os2): Remove section.
7490
7491 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
7492
7493         * doc/standards.texi (Objective-C): Adjust two URLs.
7494
7495 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
7496
7497         * tree-tailcall.c (process_assignment): Don't check if a
7498         multiplication or an addition are already present.
7499         (find_tail_calls): Combine multiple additions and multiplications.
7500         (adjust_accumulator_values): Emit accumulators.
7501
7502 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
7503
7504         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
7505         xmm register restore.
7506
7507 2009-09-21  Jan Hubicka  <jh@suse.cz>
7508
7509         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
7510         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
7511         restore at the end.
7512
7513 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
7514
7515         * stor-layout.c (layout_type): Remove obsolete code.
7516
7517 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
7518
7519         PR middle-end/41395
7520         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
7521
7522 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7523
7524         PR middle-end/30789
7525         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
7526         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
7527         (fold_builtin_2, do_mpc_arg1): Update accordingly.
7528         * fold-const.c (const_binop): Likewise.
7529         * real.h (do_mpc_arg2): Update prototype.
7530
7531 2009-09-20  Jan Hubicka  <jh@suse.cz>
7532
7533         * dwarf2out.c (add_const_value_attribute): Return true if successful.
7534         (add_location_or_const_value_attribute): Rewrite using
7535         loc_list_from_tree.
7536         (tree_add_const_value_attribute): Return true if successful.
7537         (tree_add_const_value_attribute_for_decl): Likewise.
7538
7539         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
7540         (loc_descriptor): ... here;
7541         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
7542         (cst_pool_loc_descr): Break out from ...; do not reffer constant
7543         pool items that was not marked for output.
7544         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
7545         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
7546         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
7547         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
7548         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
7549         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
7550         DW_OP_stack_value to get address of items that are not available
7551         as addresses.
7552         (dw_loc_list): Handle single element lists correctly.
7553
7554 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
7555             Pascal Obry  <obry@adacore.com>
7556
7557         * unwind-dw2-fde.c (classify_object_over_fdes):
7558         Cast the constant 1 to _Unwind_Ptr.
7559         (add_fdes): Likewise.
7560         (linear_search_fdes): Likewise.
7561
7562 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
7563
7564         * stor-layout.c (set_sizetype): Avoid useless type copy.
7565
7566 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
7567
7568         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
7569         feature check.
7570         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
7571         * configure, config.in: Regenerate.
7572         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
7573         DW_EH_PE_absptr.
7574         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
7575         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
7576         for global data if the output could be used in a shared library.
7577         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
7578         to 0 if TARGET_WRITABLE_EH_FRAME.
7579
7580 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
7581
7582         PR rtl-optimization/39886
7583         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
7584         just when insn is equal to BB_END (bb).
7585
7586 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
7587
7588         * config/mips/mips.opt (mrelax-pic-calls): New option.
7589         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
7590         the file.
7591         (mips_unspec_call): Change "unspec_call" expander into this.
7592         (mips_strip_unspec_call): New function.
7593         (mips_got_load): Call mips_unspec_call instead of
7594         gen_unspec_call<mode>.
7595         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
7596         MIPS_CALL.
7597         (mips_cfg_in_reorg): New function.
7598         (mips16_lay_out_constants): Use it to decide whether to call
7599         CFG-aware insn splitting.
7600         (r10k_insert_cache_barriers): Move CFG set-up code from here to
7601         mips_reorg.  Move DF set-up code from here ...
7602         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
7603         from here.
7604         (mips_reorg): Call mips_df_reorg instead of
7605         r10k_insert_cache_barriers.  Move CFG set-up code here from
7606         r10k_insert_cache_barriers.
7607         (mips_call_expr_from_insn): New function.
7608         (mips_pic_call_symbol_from_set): Likewise.
7609         (mips_find_pic_call_symbol): Likewise.
7610         (mips_annotate_pic_call_expr): Likewise.
7611         (mips_get_pic_call_symbol): Likewise.
7612         (mips_annotate_pic_calls): Likewise.
7613         (mips_override_options): Disable -mrelax-pic-calls unless PIC
7614         calls are used.
7615         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
7616         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
7617         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
7618         directive.
7619         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
7620         (unspec_call<mode>): Remove it.
7621         (sibcall_internal, sibcall_value_internal,
7622         sibcall_value_multiple_internal, call_internal, call_split,
7623         call_value_internal, call_value_split,
7624         call_value_multiple_internal, call_value_multiple_split): Pass
7625         SIZE_OPNO to MIPS_CALL.
7626         (call_internal_direct, call_direct_split,
7627         call_value_internal_direct, call_value_direct_split): Pass -1 as
7628         SIZE_OPNO to MIPS_CALL.
7629         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
7630         * configure: Regenerate.
7631         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
7632         and -mno-relax-pic-calls.
7633         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
7634
7635 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7636
7637         PR bootstrap/35619
7638         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
7639         in the directory this rule is called from, rather than the
7640         toplevel 'gcc' directory, to fix in-tree build.
7641
7642 2009-09-19  Chris Demetriou  <cgd@google.com>
7643
7644         PR preprocessor/28435:
7645         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
7646         to cpplib that the preprocessor output is needed.
7647
7648 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
7649
7650         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
7651         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
7652         *return_and_restore_fpregs_<mode>,
7653         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
7654
7655         PR bootstrap/41397
7656         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
7657         instead of assuming it has always a REG inside of it.
7658
7659 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
7660
7661         * config/freebsd.h: Update comment on types.
7662         (WINT_TYPE): Define.
7663
7664 2009-09-18  Jason Merrill  <jason@redhat.com>
7665
7666         * c.opt: Add -fno-deduce-init-list.
7667
7668 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
7669
7670         * value-prof.c (interesting_stringop_to_profile_p): Added output
7671         argument to indicate which parameter is the size parameter.
7672         * value-prof.c (gimple_stringop_fixed_value): Use
7673         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
7674         * value-prof.c (gimple_stringops_transform): Update call sites to
7675         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
7676
7677 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
7678
7679         PR target/38288
7680         From David Binderman <dcb314@hotmail.com>:
7681         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
7682         local variable f.  Remove stale comments.
7683         (ix86_compute_frame_layout): Remove useless local variable total_size.
7684         Remove #if 0'd code.
7685         (legitimate_address_p): Remove useless local variables
7686         reason_rtx and reason.
7687         (ix86_split_copysign_const): Remove useless local variable op1.
7688         (scale_counter): Remove useless local variable piece_size_mask.
7689
7690 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
7691
7692         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
7693         output decl.
7694
7695 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
7696
7697         PR target/40913
7698         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
7699
7700 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
7701
7702         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
7703         TYPE_STUB_DECL.
7704
7705 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
7706
7707         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
7708         DW_OP_implicit_value even without dwarf_version 4.
7709
7710 2009-09-17  Jan Hubicka  <jh@suse.cz>
7711
7712         * dwarf2out.c: Include tree-pass.h and gimple.h.
7713         (loc_list_plus_const): New function.
7714         (loc_descriptor_from_tree_1): Rename to ...
7715         (loc_descriptor_from_tree): ... remove original.
7716         (loc_list_from_tree): New function.
7717         (add_AT_location_description): Accept location list.
7718         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
7719         (concatn_mem_loc_descriptor): Remove.
7720         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
7721         returning NULL.
7722         (secname_for_decl): Move up.
7723         (hidden_reference_p): New function; break out from ...
7724         (loc_by_refernece): ... here; move up.
7725         (dw_loc_list): New function.
7726         (single_element_loc_list): New function.
7727         (single_element_loc_list_p): New function.
7728         (add_loc_descr_to_each): New function.
7729         (add_loc_list): New function.
7730         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
7731         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
7732         add diagnostics why expansion failed.
7733         (add_location_or_const_value_attribute): Support location lists.
7734         (add_bound_info): Likewise.
7735         (descr_info_loc): Update call of loc_descriptor_from_tree.
7736         (gen_variable_die): Work on location lists.
7737         * final.c (pass_final): Add dump file.
7738         * Makefile.in (dwarf2out.o): Add new dependencies.
7739
7740 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
7741
7742         PR c/41049
7743         * real.c decimal_from_integer, decimal_integer_string): New.
7744         (real_from_integer): Use them as special case for decimal float.
7745         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
7746         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
7747         Do not append zero after the decimal point in string to convert.
7748
7749 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
7750
7751         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
7752         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
7753
7754 2009-09-17  Martin Jambor  <mjambor@suse.cz>
7755
7756         * common.opt (fipa-sra): New switch.
7757         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
7758         * timevar.def (TV_IPA_SRA): New timevar.
7759         * params.def (ipa-sra-ptr-growth-factor): New parameter.
7760         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
7761         * tree-sra.c: Include cgraph.c.
7762         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
7763         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
7764         and grp_not_necessarilly_dereferenced.
7765         (func_param_count): New variable.
7766         (encountered_apply_args): New variable.
7767         (bb_dereferences): New variable.
7768         (final_bbs): New variable.
7769         (no_accesses_representant): New variable.
7770         (no_accesses_p): New function.
7771         (dump_access): Dump the new fields.
7772         (sra_initialize): Set encountered_apply_args to false.
7773         (get_ssa_base_param): New function.
7774         (mark_parm_dereference): New function.
7775         (create_access): Caring for INIDRECT_REFs and different handling of
7776         varialble length accesses in early IPA SRA.  Store the stmt - a new
7777         parameter - to the new access.
7778         (build_access_from_expr_1): New parameter stmt, passed to
7779         create_access.  Handle INDIRECT_REFs.
7780         (build_access_from_expr): Pass the current statement to
7781         build_access_from_expr_1.
7782         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
7783         passes.
7784         (build_accesses_from_assign): Pass the current statement to
7785         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
7786         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
7787         final_bbs when necessary.  Check for calls to __builtin_apply_args.
7788         Fixup EH info if anythng was changed.
7789         (is_unused_scalar_param): New function.
7790         (ptr_parm_has_direct_uses): New function.
7791         (find_param_candidates): New function.
7792         (mark_maybe_modified): New function.
7793         (analyze_modified_params): New function.
7794         (propagate_dereference_distances): New function.
7795         (dump_dereferences_table): New function.
7796         (analyze_caller_dereference_legality): New function.
7797         (unmodified_by_ref_scalar_representative): New function.
7798         (splice_param_accesses): New function.
7799         (decide_one_param_reduction): New function.
7800         (enum ipa_splicing_result): New type.
7801         (splice_all_param_accesses): New function.
7802         (get_param_index): New function.
7803         (turn_representatives_into_adjustments): New function.
7804         (analyze_all_param_acesses): New function.
7805         (get_replaced_param_substitute): New function.
7806         (get_adjustment_for_base): New function.
7807         (replace_removed_params_ssa_names): New function.
7808         (sra_ipa_reset_debug_stmts): New function.
7809         (sra_ipa_modify_expr): New function.
7810         (sra_ipa_modify_assign): New function.
7811         (convert_callers): New function.
7812         (modify_function): New function.
7813         (ipa_sra_preliminary_function_checks): New function.
7814         (ipa_early_sra): New function.
7815         (ipa_early_sra_gate): New function.
7816         (pass_early_ipa_sra): New variable.
7817         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
7818
7819 2009-09-17  Michael Matz  <matz@suse.de>
7820
7821         PR middle-end/41347
7822         * tree.c (build_type_attribute_qual_variant): Export.
7823         * tree.h (build_type_attribute_qual_variant): Declare.
7824         * tree-inline.c (remap_type_1): Use it to build variants with
7825         the original qualifiers and attributes.
7826
7827 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7828
7829         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
7830         without a fallthrough edge.
7831
7832 2009-09-16  DJ Delorie  <dj@redhat.com>
7833
7834         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
7835         chip and ignore the "fast_interrupt" attribute if so.
7836
7837 2009-09-16  Richard Henderson  <rth@redhat.com>
7838
7839         PR middle-end/41360
7840         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
7841         barrier fix.
7842
7843 2009-09-16  Richard Henderson  <rth@redhat.com>
7844
7845         PR target/41246
7846         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
7847         is set only if DECL_NO_STATIC_CHAIN is unset.
7848         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
7849         (FOR_EACH_NEST_INFO): New.
7850         (walk_all_functions): Use it.
7851         (finalize_nesting_tree): Likewise.
7852         (unnest_nesting_tree): Likewise.
7853         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
7854         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
7855         (convert_gimple_call): Early out if gimple_call_chain already set.
7856         (convert_all_function_calls): Iterate until no new functions
7857         require a static chain.
7858         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
7859         when building a trampoline.  Use dump_function_to_file instead
7860         of dump_function.
7861         (lower_nested_functions): Open dump_file.  Validate that decls
7862         that have DECL_NO_STATIC_CHAIN from the front end don't have that
7863         bit reset by this pass.
7864
7865 2009-09-16  Michael Matz  <matz@suse.de>
7866
7867         PR fortran/41212
7868         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
7869         shorten decl_common_unused.
7870         (DECL_RESTRICTED_P): New accessor.
7871         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
7872         to disambiguate marked decls and restrict pointers.
7873
7874 2009-09-16  Richard Henderson  <rth@redhat.com>
7875
7876         PR middle-end/41360
7877         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
7878
7879 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
7880
7881         * integrate.c (set_block_abstract_flags): Call
7882         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
7883
7884 2009-09-16  Richard Guenther  <rguenther@suse.de>
7885
7886         PR middle-end/34011
7887         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
7888         as non-aliased.
7889
7890 2009-09-16  DJ Delorie  <dj@redhat.com>
7891             Kaz Kojima  <kkojima@gcc.gnu.org>
7892
7893         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
7894         (sh_expand_prologue): Update calls to output_stack_adjust.
7895         (sh_expand_epilogue): Likewise.
7896
7897 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
7898
7899         PR bootstrap/41349
7900         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
7901         trying to limit the extent of searches in the insn stream.
7902
7903 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
7904             Jakub Jelinek  <jakub@redhat.com>
7905
7906         PR target/41175
7907         PR target/40677
7908         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
7909         problem.
7910         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
7911         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
7912         (rs6000_savres_strategy): Always save FP registers inline if the
7913         target doesn't support hardware double-precision.  Set the above
7914         bits in return value when needed.
7915         (rs6000_savres_routine_sym): Fix computation for cache selector.
7916         Mark the generated symbol as a function.  Rename exitp argument to
7917         lr.  Move code for determining the name of the symbol...
7918         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
7919         getting the names right on AIX and 64-bit Linux.
7920         (savres_routine_name): New variable.
7921         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
7922         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
7923         on what the target routine uses as a base register.  If savep && lr
7924         describe saving of r0 into memory slot.
7925         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
7926         line calls for AIX ABI.
7927         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
7928         determine FP save/restore functions.
7929         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
7930         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
7931         gen_addsi3.
7932         (rs6000_emit_epilogue): Adjust computation of restore_lr.
7933         Duplicate restoration of LR and execute the appropriate one
7934         depending on whether GPRs are being restored inline.  Set r11 from
7935         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
7936         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
7937         Fix out of line calls for AIX ABI.
7938         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
7939         New insn.
7940         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
7941         register 11.
7942         (*restore_gpregs_spe): Likewise.
7943         (*return_and_restore_gpregs_spe): Likewise.
7944         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
7945         Define to empty string unconditionally.
7946         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
7947         Define to empty string unconditionally.
7948         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
7949         !TARGET_64BIT.
7950
7951 2009-09-15  Jan Hubicka  <jh@suse.cz>
7952
7953         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
7954         * params.def (inline-insns-auto): Likewise.
7955
7956 2009-09-15  Martin Jambor  <mjambor@suse.cz>
7957
7958         * ipa-inline.c (estimate_function_body_sizes): Dump info about
7959         individual statements only at TDF_DETAILS dump level.  Format
7960         source for 80 characters per line.
7961
7962 2009-09-15  Christian Bruel  <christian.bruel@st.com>
7963
7964         * regrename.c (do_replace): Update REG_DEAD notes.
7965
7966 2009-09-15  Revital Eres  <eres@il.ibm.com>
7967
7968         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
7969         * targhooks.c (default_builtin_support_vector_misalignment):
7970         New builtin function.
7971         * targhooks.h (default_builtin_support_vector_misalignment):
7972         Declare.
7973         * target.h (builtin_support_vector_misalignment):
7974         New field in struct gcc_target.
7975         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
7976         new builtin function.
7977         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
7978         Define.
7979         * config/rs6000/rs6000.c
7980         (rs6000_builtin_support_vector_misalignment): New function.
7981         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
7982
7983 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
7984
7985         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
7986         instead of INSN_P.
7987         (bfin_optimize_loop): Likewise.
7988         (bfin_gen_bundles): Likewise.
7989         (workaround_speculation): Likewise.
7990         (find_load): Return NULL_RTX for debug_insn.
7991
7992 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
7993
7994         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
7995         (sminsf3): Ditto.
7996
7997 2009-09-14  DJ Delorie  <dj@redhat.com>
7998
7999         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
8000         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
8001         VLIW mode.
8002
8003 2009-09-14  Richard Henderson  <rth@redhat.com>
8004             Jakub Jelinek  <jakub@redhat.com>
8005
8006         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
8007         * cfgbuild.c (make_edges): Handle asm goto.
8008         * cfglayout.c (fixup_reorder_chain): Likewise.
8009         * cfgrtl.c (patch_jump_insn): Likewise.
8010         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
8011         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
8012         (gimple_build_asm_vec): Add and use labels parameter.
8013         (gimple_build_asm): Remove.
8014         (walk_gimple_asm): Walk labels too.
8015         * gimple.def (GIMPLE_ASM): Update docs.
8016         * gimple.h: Update decls.
8017         (struct gimple_statement_asm): Change nc to use unsigned char;
8018         add nl member.
8019         (gimple_asm_nlabels): New.
8020         (gimple_asm_label_op, gimple_asm_set_label_op): New.
8021         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
8022         into gimple_build_asm_vec.
8023         * jump.c (mark_jump_label_asm): New.
8024         (mark_jump_label): Use it.
8025         (redirect_jump_1): Handle asm goto.
8026         (invert_jump_1): Soft fail if X is null.
8027         * recog.c (extract_asm_operands): New.
8028         (asm_noperands): Use it; handle asm labels.
8029         (decode_asm_operands): Use extract_asm_operands.
8030         (asm_operand_ok): Properly handle empty string.
8031         * reg-stack.c (get_asm_operands_in_out): Rename from
8032         get_asm_operand_n_inputs; use extract_asm_operands; return both
8033         inputs and outputs by reference; update all callers.
8034         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
8035         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
8036         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
8037         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
8038         (extract_asm_operands): Declare.
8039         * stmt.c (expand_asm_operands): Add and use labels parameter.
8040         (check_unique_operand_names): Likewise.
8041         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
8042         (expand_asm_stmt): Handle asm labels.
8043         * tree-cfg.c (make_gimple_asm_edges): New.
8044         (make_edges): Use it.
8045         (cleanup_dead_labels): Handle asm labels.
8046         (is_ctrl_altering_stmt): Likewise.
8047         (gimple_redirect_edge_and_branch): Likewise.
8048         * tree.def (ASM_EXPR): Add 5th operand.
8049         * tree.h (ASM_LABELS): New.
8050         (resolve_asm_operand_names): Update decl.
8051
8052         * c-parser.c (c_parser_asm_statement): Parse asm goto.
8053         (c_parser_asm_goto_operands): New.
8054         * c-tree.h (build_asm_expr): Update decl.
8055         * c-typeck.c (build_asm_expr): Add and use labels parameter.
8056         * doc/extend.texi: Document asm goto.
8057
8058 2009-09-14  Richard Henderson  <rth@redhat.com>
8059
8060         * except.h: Update declarations.
8061         (struct pointer_map_t): Forward declare.
8062         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
8063         (struct eh_landing_pad_d, eh_landing_pad): New.
8064         (struct eh_catch_d, eh_catch): New.
8065         (struct eh_region_d): Remove next_region_sharing_label, aka,
8066         label, tree_label, landing_pad, post_landing_pad, resume,
8067         may_contain_throw.  Rename region_number to index.  Remove
8068         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
8069         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
8070         (VEC(eh_landing_pad,gc)): New.
8071         (struct eh_status): Remove last_region_number.  Add lp_array,
8072         throw_stmt_table, ttype_data, ehspec_data.
8073         (ehr_next, FOR_ALL_EH_REGION_AT): New.
8074         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
8075         * except.c (lang_protect_cleanup_actions): Return tree.
8076         (struct ehl_map_entry): Remove.
8077         (init_eh_for_function): Push zero entries for region and lp_array.
8078         (gen_eh_region): Add to region_array immediately.
8079         (gen_eh_region_catch): Operate on eh_catch objects.
8080         (gen_eh_landing_pad): New.
8081         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
8082         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
8083         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
8084         (get_eh_landing_pad_from_number_fn): New.
8085         (get_eh_landing_pad_from_number): New.
8086         (get_eh_region_from_lp_number_fn): New.
8087         (get_eh_region_from_lp_number): New.
8088         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
8089         (get_exception_pointer, get_exception_filter): Remove.
8090         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
8091         (current_function_has_exception_handlers): Simplify.
8092         (bring_to_root, eh_region_replaceable_by_p): Remove.
8093         (replace_region, hash_type_list, hash_eh_region): Remove.
8094         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
8095         (label_to_region_map, num_eh_regions): Remove.
8096         (get_next_region_sharing_label, must_not_throw_labels): Remove.
8097         (find_exception_handler_labels): Remove.
8098         (duplicate_eh_regions_0, find_prev_try): Remove.
8099         (struct duplicate_eh_regions_data): New.
8100         (duplicate_eh_regions_1): Rewrite.
8101         (duplicate_eh_regions): Return a pointer map instead of an
8102         integer offset.
8103         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
8104         (redirect_eh_edge_to_label): Remove.
8105         (eh_region_outermost): Rewrite using eh_region pointers
8106         instead of integers.
8107         (add_ttypes_entry): Update for ttype_data move to eh_status.
8108         (add_ehspec_entry): Rewrite with VEC instead of varray.
8109         (assign_filter_values): Likewise.  Export.
8110         (build_post_landing_pads, connect_post_landing_pads): Remove.
8111         (dw2_build_landing_pads): Rewrite to use lp_array.
8112         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
8113         (sjlj_assign_call_site_values): Rewrite to use lp_array.
8114         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
8115         (sjlj_mark_call_sites): Update for landing pad numbers.
8116         (finish_eh_generation): Rewrite.
8117         (gate_handle_eh): Do nothing for no eh tree.
8118         (pass_rtl_eh): Move up near finish_eh_generation.
8119         (remove_eh_landing_pad): New.
8120         (remove_eh_handler): Export.
8121         (remove_eh_region, remove_eh_handler_and_replace): Remove.
8122         (for_each_eh_label): Rewrite to use lp_array.
8123         (make_reg_eh_region_note): New.
8124         (make_reg_eh_region_note_nothrow_nononlocal): New.
8125         (insn_could_throw_p): New.
8126         (copy_reg_eh_region_note_forward): New.
8127         (copy_reg_eh_region_note_backward): New.
8128         (check_handled, add_reachable_handler): Remove.
8129         (reachable_next_level, foreach_reachable_handler): Remove.
8130         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
8131         (get_eh_region_and_lp_from_rtx): New.
8132         (get_eh_region_from_rtx): New.
8133         (can_throw_internal_1, can_throw_external_1): Remove.
8134         (can_throw_internal): Use get_eh_region_from_rtx.
8135         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
8136         (insn_nothrow_p, can_nonlocal_goto): New.
8137         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
8138         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
8139         (add_action_record): Use VEC not varray.
8140         (collect_one_action_chain): Update for eh_region changes.
8141         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
8142         Use get_eh_region_and_lp_from_rtx.
8143         (gate_convert_to_eh_region_ranges): New.
8144         (pass_convert_to_eh_region_ranges): Use it.
8145         (push_uleb128, push_sleb128): Use VEC not varray.
8146         (output_one_function_exception_table): Likewise.
8147         (dump_eh_tree): Update for eh_region changes.
8148         (verify_eh_tree): Likewise.
8149         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
8150         * tree-eh.c: Include target.h.
8151         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
8152         Don't disallow GIMPLE_RESX; adjust argument check.
8153         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
8154         (record_stmt_eh_region): Update for landing pad numbers;
8155         generate a landing pad if necessary.
8156         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
8157         (remove_stmt_from_eh_lp_fn): Similarly.
8158         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
8159         Update for lp numbers; don't special case missing throw_stmt_table.
8160         (lookup_expr_eh_lp): Similarly.
8161         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
8162         (eh_seq, eh_region_may_contain_throw): New.
8163         (struct leh_state): Add ehp_region.
8164         (struct leh_tf_state): Remove eh_label.
8165         (emit_post_landing_pad): New.
8166         (emit_resx, emit_eh_dispatch): New.
8167         (note_eh_region_may_contain_throw): New.
8168         (frob_into_branch_around): Take eh_region not eh label;
8169         emit eh code into eh_seq.
8170         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
8171         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
8172         lower_eh_must_not_throw.  Emit code to eh_seq.
8173         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
8174         (lower_try_finally_onedest): Likewise.
8175         (lower_try_finally_copy): Likewise.
8176         (lower_try_finally_switch): Likewise.
8177         (lower_try_finally): Initialize ehp_region.
8178         (lower_catch): Update for eh_catch objects.
8179         (lower_eh_filter): Don't handle must_not_throw.
8180         (lower_eh_must_not_throw): New.
8181         (lower_cleanup): Don't set eh_label.
8182         (lower_eh_constructs_2): Resolve eh builtins.
8183         Handle GIMPLE_EH_MUST_NOT_THROW.
8184         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
8185         Add eh_seq to the end of the function body.
8186         (make_eh_dispatch_edges): New.
8187         (make_eh_edge): Remove.
8188         (make_eh_edges): Simplify for landing pads.
8189         (redirect_eh_edge_1): New.
8190         (redirect_eh_edge): Use it.
8191         (redirect_eh_dispatch_edge): New.
8192         (stmt_could_throw_p): Use a switch.  Allow RESX.
8193         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
8194         (stmt_can_throw_internal): Likewise.
8195         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
8196         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
8197         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
8198         (gate_refactor_eh): New.
8199         (pass_refactor_eh): Use it.
8200         (lower_resx, execute_lower_resx, pass_lower_resx): New.
8201         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
8202         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
8203         (remove_unreachable_handlers): Rename from
8204         tree_remove_unreachable_handlers; rewrite for landing pads;
8205         call remove_eh_handler directly.
8206         (remove_unreachable_handlers_no_lp): New.
8207         (unsplit_eh, unsplit_all_eh): New.
8208         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
8209         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
8210         (cleanup_empty_eh_unsplit): New.
8211         (cleanup_empty_eh): Rewrite.
8212         (cleanup_all_empty_eh): New.
8213         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
8214         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
8215         (gate_cleanup_eh): New.
8216         (pass_cleanup_eh): Use it.
8217         (verify_eh_edges): Move later in file.  Expect one EH edge.
8218         (verify_eh_dispatch_edge): New.
8219
8220         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
8221         (gtype-desc.o): Add TARGET_H.
8222         (tree.o): Use EXCEPT_H, not except.h.
8223         (cfgbuild.o): Add EXPR_H.
8224         (GTFILES): Add vecprim.h.
8225         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
8226         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
8227         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
8228         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
8229         * calls.c (emit_call_1): Use make_reg_eh_region_note.
8230         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
8231         calls to can_throw_internal.
8232         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
8233         (make_edges): Don't handle RESX; use can_nonlocal_goto.
8234         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
8235         (expand_gimple_stmt): Use make_reg_eh_region_note.
8236         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
8237         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
8238         or find_exception_handler_labels.
8239         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
8240         there is exacly one EH edge.  Use can_nonlocal_goto and
8241         can_throw_internal.
8242         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
8243         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
8244         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
8245         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
8246         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
8247         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
8248         * dse.c (scan_insn): Use insn_could_throw_p.
8249         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
8250         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
8251         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
8252         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
8253         EXC_PTR_EXPR or FILTER_EXPR.
8254         (tree_expr_nonzero_warnv_p): Likewise.
8255         * function.h: Include vecprim.h, not varray.h
8256         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
8257         move ttype_data and ehspec_data members to struct eh_status; change
8258         action_record_data member to a VEC.
8259         * gcse.c (hash_scan_set): Use can_throw_internal.
8260         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
8261         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
8262         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
8263         (block_may_fallthru): Don't handle RESX_EXPR.
8264         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
8265         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
8266         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
8267         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
8268         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
8269         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
8270         (gimple_size): Likewise.
8271         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
8272         (gimple_build_resx): Use gimple_build_with_ops.
8273         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
8274         (is_gimple_val): Likewise.
8275         (is_gimple_stmt): Remove RESX_EXPR.
8276         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
8277         (GIMPLE_RESX): Reorder with other EH constructs.
8278         * gimple.h (struct gimple_statement_eh_mnt): New.
8279         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
8280         (gimple_eh_filter_must_not_throw): Remove.
8281         (gimple_eh_filter_set_must_not_throw): Remove.
8282         (gimple_eh_must_not_throw_fndecl): New.
8283         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
8284         (is_gimple_resx): New.
8285         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
8286         Don't copy EH_FILTER_MUST_NOT_THROW.
8287         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
8288         * ipa-inline.c (estimate_function_body_sizes): Don't try to
8289         handle must_not_throw_labels specially.
8290         * ipa-pure-const.c (check_call): Update debug statement for LP.
8291         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
8292         * ipa-utils.c (get_base_var): Likewise.
8293         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
8294         * lower-subreg.c (move_eh_region_note): Remove.
8295         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
8296         * omp-low.c (new_omp_context): Update for eh_lp_nr.
8297         (create_task_copyfn): Likewise.
8298         (maybe_catch_exception): Use gimple_build_eh_filter.
8299         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
8300         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
8301         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
8302         and pass_lower_resx.
8303         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
8304         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
8305         can_throw_internal, can_nonlocal_goto.
8306         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
8307         copy_reg_eh_region_note_forward.
8308         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
8309         (emit_output_reload_insns): Likewise.
8310         (copy_eh_notes): Remove.
8311         * rtl.def (RESX): Remove.
8312         * rtl.h: Update declarations.
8313         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
8314         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
8315         (update_eh_label): Remove.
8316         (cleanup_dead_labels_eh): New.
8317         (cleanup_deal_labels): Use it instead of update_eh_label.
8318         (gimple_merge_blocks): Update landing pad data structure when
8319         removing a landing pad label.
8320         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
8321         test; handle GIMPLE_EH_MUST_NOT_THROW.
8322         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
8323         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
8324         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
8325         (verify_stmt): Likewise.  Verify landing pads.
8326         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
8327         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
8328         (struct move_stmt_d): Add eh_map.
8329         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
8330         (move_stmt_r): Remap eh region numbers in builtin calls,
8331         resx and eh_dispatch.
8332         (move_block_to_fn): Remove eh_offset parameter.  Use
8333         maybe_duplicate_eh_stmt_fn.
8334         (find_outermost_region_in_block): Operate on eh_region pointers
8335         instead of region numbers.
8336         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
8337         duplicate_eh_regions.
8338         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
8339         test earlier.  Disallow EH landing pads.
8340         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
8341         * tree-flow.h: Update declarations.
8342         (struct tree_ann_common_d): Replace rn with lp_nr.
8343         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
8344         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
8345         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
8346         resx and eh_dispatch.
8347         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
8348         (copy_edges_for_bb): Use make_eh_dispatch_edges.
8349         (copy_cfg_body): Expect eh_map instead of eh_region_offset
8350         from duplicate_eh_regions.
8351         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
8352         update RESX; handle EH_DISPATCH.
8353         (expand_call_inline): Set eh_lp_nr, not eh_region.
8354         (maybe_inline_call_in_expr): Likewise.
8355         * tree-inline.h (struct copy_body_data): Replace eh_region with
8356         eh_lp_nr, eh_region_offset with eh_map.
8357         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
8358         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
8359         * tree-pretty-print.c (dump_generic_node): Don't handle
8360         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
8361         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
8362         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
8363         EXC_PTR_EXPR, FILTER_EXPR.
8364         * tree-ssa-operands.c (get_expr_operands): Likewise.
8365         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
8366         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
8367         (ao_ref_init_from_vn_reference): Likewise.
8368         * tree-ssa-sink.c (statement_sink_location): Likewise.
8369         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
8370         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
8371         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
8372         EXC_PTR_EXPR, FILTER_EXPR.
8373         (is_exception_related): Remove.
8374         (compute_avail): Don't call it.
8375         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
8376         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
8377         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
8378         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
8379         Build EH builtins.
8380         (build_resx): Remove.
8381         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
8382         * tree.h: Update declarations.
8383         (EH_FILTER_MUST_NOT_THROW): Remove.
8384         (struct tree_label_decl): Add eh_landing_pad_nr.
8385         (EH_LANDING_PAD_NR): New.
8386         * value-prof.c (gimple_ic): Tidy variable names.  Update for
8387         landing pad numbers.
8388         (gimple_stringop_fixed_value): Tidy variable names.  Assert
8389         that neither call stmt can throw.
8390         * vecprim.h (uchar): New.
8391         (VEC(uchar,heap), VEC(uchar,gc)): New.
8392
8393         * c-common.c (c_define_builtins): Update call to
8394         build_common_builtin_nodes.
8395         * c-parser.c (c_parse_file): Don't call
8396         default_init_unwind_resume_libfunc.
8397
8398 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
8399
8400         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
8401         (mips_cprestore_address_p): Likewise.
8402         (mips_save_gp_to_cprestore_slot): Likewise.
8403         (mips_restore_gp): Rename to...
8404         (mips_restore_gp_from_cprestore_slot): ...this.
8405         (mips_must_initialize_gp_p): Declare.
8406         (mips_emit_save_slot_move): Likewise.
8407         (mips_output_load_label): Return nothing.
8408         (mips_eh_uses): Declare.
8409         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
8410         (TARGET_CPRESTORE_DIRECTIVE): New macro.
8411         (TARGET_ABSOLUTE_JUMPS): Likewise.
8412         (EH_USES): Likewise.
8413         (FIRST_PSEUDO_REGISTER): Update comment.
8414         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
8415         (MIPS_CALL): ...here.
8416         (REGISTER_NAMES): Add $cprestore.
8417         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
8418         Add load_label_length, has_inflexible_gp_insn_p,
8419         has_flexible_gp_insn_p, must_initialize_gp_p and
8420         must_restore_gp_when_clobbered_p.
8421         (mips_expand_call): Don't generate split instructions here.
8422         (mips_split_call): Update the call to mips_restore_gp after
8423         the above name change.
8424         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
8425         (mips_find_gp_ref): New function.
8426         (mips_insn_has_inflexible_gp_ref_p): Likewise.
8427         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
8428         (mips_insn_has_flexible_gp_ref_p): Likewise.
8429         (mips_cfun_has_flexible_gp_ref_p): Likewise.
8430         (mips_function_has_gp_insn): Delete.
8431         (mips_global_pointer): Drop the df_regs_ever_live_p check.
8432         Use the new functions above.  Only return INVALID_REGNUM
8433         for TARGET_ABSOLUTE_JUMPS.
8434         (mips_must_initialize_gp_p): New function.
8435         (mips_get_cprestore_base_and_offset): New function, extracted from...
8436         (mips_cprestore_slot): ...here.  Take a bool parameter.
8437         (mips_cfun_has_cprestore_slot_p): New function.
8438         (mips_cprestore_address_p): Likewise.
8439         (mips_save_gp_to_cprestore_slot): Likewise.
8440         (mips_restore_gp): Rename to...
8441         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
8442         epilogue_completed.  Update the call to mips_cprestore_slot.
8443         Test cfun->machine->must_restore_gp_when_clobbered_p.
8444         (mips_direct_save_slot_move_p): New function.
8445         (mips_emit_save_slot_move): Likewise.
8446         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
8447         of cfun->machine->global_pointer.
8448         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
8449         (mips_save_reg): Use mips_emit_save_slot_move.
8450         (mips_expand_prologue): Set must_initialize_gp_p.
8451         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
8452         for all cprestore saves.  Emit a use_cprestore instruction after
8453         setting up the cprestore slot.
8454         (mips_restore_reg): Use mips_emit_save_slot_move.
8455         (mips_process_load_label): New function.
8456         (mips_load_label_length): Likewise.
8457         (mips_output_load_label): Don't return asm: output it here instead.
8458         Use mips_process_load_label.
8459         (mips_adjust_insn_length): Adjust the length of branch instructions
8460         that have length MAX_PIC_BRANCH_LENGTH.
8461         (mips_output_conditional_branch): Update the call to
8462         mips_output_load_label.  Assume the branch target is OPERANDS[0]
8463         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
8464         (mips_output_order_conditional_branch): Swap the meaning of
8465         OPERANDS[0] and OPERANDS[1].
8466         (mips_variable_issue): Don't count ghost instructions.
8467         (mips_expand_ghost_gp_insns): New function.
8468         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
8469         (mips_output_mi_thunk): Set must_initialize_gp_p.
8470         (mips_eh_uses): New function.
8471         * config/mips/predicates.md (cprestore_save_slot_operand)
8472         (cprestore_load_slot_operand): New predicates.
8473         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
8474         (UNSPEC_MOVE_GP): Likewise.
8475         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
8476         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
8477         (CPRESTORE_SLOT_REGNUM): New register.
8478         (MAX_PIC_BRANCH_LENGTH): New constant.
8479         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
8480         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
8481         branches.  Fix commentary.
8482         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
8483         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
8484         Change type to "ghost".
8485         (loadgp_absolute_<mode>): Likewise.
8486         (loadgp_rtp_<mode>): Likewise.
8487         (copygp_mips16): Likewise.
8488         (loadgp_blockage): Remove redundant mode attribute.
8489         (potential_cprestore): New instruction.
8490         (cprestore): Turn into an unspec set.
8491         (use_cprestore): New instruction.
8492         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
8493         (*branch_fp_inverted): Likewise.
8494         (*branch_order<mode>): Likewise.
8495         (*branch_order<mode>_inverted): Likewise.
8496         (*branch_equality<mode>): Likewise.
8497         (*branch_equality<mode>_inverted): Likewise.
8498         (*branch_bit<bbv><mode>): Likewise.
8499         (*branch_bit<bbv><mode>_inverted): Likewise.
8500         (*branch_equality<mode>_mips16): Remove redundant mode.
8501         (jump): Turn into a define_expand.
8502         (*jump_absolute): New instruction.
8503         (*jump_pic): Likewise.
8504         (*jump_mips16): Rename previously-unnamed pattern.  Remove
8505         redundant mode attribute.
8506         (restore_gp): Split on epilogue_completed rather than
8507         reload_completed.  Change type to "ghost".
8508         (move_gp<mode>): New instruction.
8509         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
8510         Remove redundant mode attribute.
8511         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
8512         (bc1any4f, bc1any2t, bc1any2f): Likewise.
8513         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
8514
8515 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8516
8517         PR target/41210
8518         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
8519         are returned in the same register (vs34 or v2) that Altivec vector
8520         types are returned in.
8521         (rs6000_libcall_value): Ditto.
8522
8523         PR target/41331
8524         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
8525         instead of explicit addsi3/adddi3 calls.
8526         (rs6000_split_multireg_move): Ditto.
8527         (rs6000_emit_allocate_stack): Ditto.
8528         (rs6000_emit_prologue): Ditto.
8529         (rs6000_output_mi_thunk): Ditto.
8530
8531         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
8532         size is 64 bits if we can use 64-bit registers.
8533
8534 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
8535
8536         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
8537         symbols.
8538
8539         From Jie Zhang <jie.zhang@analog.com>:
8540         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
8541         save FP and RETS with saveall attribute.
8542         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
8543         with saveall attribute.
8544
8545         * config/bfin/bfin.c (bfin_expand_builtin,
8546         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
8547         operands.
8548
8549         From Jie Zhang <jie.zhang@analog.com>:
8550         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
8551         before use in two places.
8552         * config/bfin/bfin.md (AREG): Define mode iterator.
8553         (reload_in, reload_out): Use mode iterator AREG.
8554
8555 2009-09-14  Richard Guenther  <rguenther@suse.de>
8556
8557         PR middle-end/41350
8558         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
8559         EH personality path.
8560
8561 2009-09-13  Richard Guenther  <rguenther@suse.de>
8562             Rafael Avila de Espindola  <espindola@google.com>
8563
8564         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
8565         (LANG_HOOKS_EH_PERSONALITY): Likewise.
8566         (LANG_HOOKS_INITIALIZER): Adjust.
8567         (lhd_pass_through_t): Declare.
8568         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
8569         eh_personality.
8570         * langhooks.c (lhd_pass_through_t): New function.
8571         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
8572         dwarf2out_begin_prologue): Use personality from current_function_decl.
8573         * expr.h (get_personality_function): Declare.
8574         * expr.c (get_personality_function): New function.
8575         (build_personality_function): Likewise.
8576         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
8577         (eh_personality_libfunc): Remove.
8578         * optabs.c (build_libfunc_function): New function split out from ...
8579         (init_one_libfunc): ... here.
8580         * tree.h (DECL_FUNCTION_PERSONALITY): New.
8581         (tree_function_decl): Add personality.
8582         (lhd_gcc_personality): Declare.
8583         (build_personality_function): Likewise.
8584         * tree.c (gcc_eh_personality_decl): New.
8585         (lhd_gcc_personality): New function.
8586         * except.h (lang_eh_runtime_type): Remove.
8587         (enum eh_personality_kind): New.
8588         (build_personality_function): Declare.
8589         (function_needs_eh_personality): Declare.
8590         * except.c (lang_eh_runtime_type): Remove.
8591         (function_needs_eh_personality): New function.
8592         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
8593         (sjlj_emit_function_enter, output_function_exception_table):
8594         Use personality from current_function_decl.
8595         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
8596         * tree-inline.c (tree_can_inline_p): Do not inline across different
8597         EH personalities.
8598         (expand_call_inline): Likewise.  Adjust the callers EH personality.
8599         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
8600         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
8601         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
8602         (c-parser.o): Likewise
8603         * c-tree.h (c_eh_initialized_p): Remove.
8604         (c_maybe_initialize_eh): Likewise.
8605         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
8606         (finish_decl): Don't call c_maybe_initialize_eh.
8607         (c_eh_initialized_p): Remove.
8608         (c_maybe_initialize_eh): Likewise.
8609         * c-parser.c (c_parser_omp_construct): Likewise.
8610         (c_parse_file): Initialize exception handling.
8611
8612 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
8613
8614         * config.gcc (tm_file): Remove i386/biarch32.h
8615         for i?86-w64-mingw* case.
8616         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
8617         support.
8618         * config.host: Set for x64 mingw the option
8619         use_long_long_for_widest_fast_int to yes.
8620
8621 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
8622
8623         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8624         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
8625         (dbxout_begin_function): Likewise.
8626         * final.c (dwarf2_debug_info_emitted_p): New predicate.
8627         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
8628         set on the function.
8629         (final_end_function): Likewise.
8630         (final_scan_insn): Likewise.
8631         (rest_of_handle_final): Likewise.
8632         * varasm.c (assemble_start_function): Likewise.
8633         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8634
8635 2009-09-12  Jason Merrill  <jason@redhat.com>
8636
8637         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
8638         * opts.c (common_handle_option): constify.
8639
8640 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
8641
8642         * doc/install.texi (avr): Remove obsolete reference site.
8643
8644 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
8645
8646         * doc/install.texi (Binaries): Adjust AIX link.
8647
8648 2009-09-12  Akim Demaille  <demaille@gostai.com>
8649
8650         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
8651         Use an imperative sentence.
8652
8653 2009-09-11  Richard Henderson  <rth@redhat.com>
8654
8655         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
8656         structure-name and has-tree-operands arguments; update all entries.
8657         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
8658         update all entries.
8659         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
8660         (gsstruct_code_size): New.
8661         (gss_for_code_): New.
8662         (gss_for_code): Remove.
8663         (gimple_size): Rewrite using gsstruct_code_size.
8664         (gimple_statement_structure): Move to gimple.h.
8665         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
8666         (gss_for_code, gimple_statement_structure): New.
8667         (gimple_ops): Use new arrays; tidy.
8668
8669 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8670
8671         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
8672         operand to be a PLUS expression.
8673         * config/pa/pa.c (pa_secondary_reload): Likewise.
8674
8675 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
8676
8677         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
8678
8679         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
8680         XEXP (in_rtx, 8).
8681
8682 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8683
8684         From Jie Zhang <jie.zhang@analog.com>:
8685         * doc/extend.texi (node Function Attributes): Document l2
8686         function attribute.
8687         (node Blackfin Variable Attributes): Document l2 variable attributes.
8688
8689 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
8690
8691         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
8692         to match the system compiler's configuration at inflection point.
8693         Add comment to remark a remaining difference with system compiler.
8694
8695         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
8696         * configure: Regenerate.
8697
8698 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8699
8700         From Jie Zhang <jie.zhang@analog.com>:
8701         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
8702         (bfin_handle_l2_attribute): New.
8703         (bfin_attribute_table): Add l2 attribute.
8704
8705 2009-09-11  Michael Matz  <matz@suse.de>
8706
8707         PR middle-end/41275
8708         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
8709         on the local_decls list.
8710
8711 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
8712
8713         PR debug/41276
8714         PR debug/41307
8715         * cselib.c (cselib_expand_value_rtx_cb): Document callback
8716         interface.
8717         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
8718         for VALUEs, to implement the documented interface.
8719         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
8720         Adjust for VALUEs and anything else, to implement the
8721         documented interface.
8722
8723 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
8724
8725         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
8726         with actual SPE/paired vector modes before using 64-bit alignment.
8727         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
8728
8729 2009-09-10  DJ Delorie  <dj@redhat.com>
8730
8731         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
8732         emitted.
8733
8734         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
8735         * config/mep/mep.c (mep_legitimate_constant_p): New.
8736         * config/mep/mep-protos.h: Prototype it.
8737
8738 2009-09-10  Richard Henderson  <rth@redhat.com>
8739
8740         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
8741
8742 2009-09-10  Jason Merrill  <jason@redhat.com>
8743
8744         * tree.c (chain_index): New fn.
8745         * tree.h: Declare it.
8746
8747 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8748
8749         * config/sol2-c.c (cmn_err_length_specs): Initialize
8750         scalar_identity_flag.
8751
8752 2009-09-10  Richard Henderson  <rth@redhat.com>
8753
8754         * tree.h (struct tree_decl_common): Move align member earlier;
8755         move label_decl_uid member ...
8756         (struct tree_label_decl): ... here.
8757         (LABEL_DECL_UID): Update to match.
8758
8759         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
8760         not TDF_DETAILS.
8761
8762         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
8763         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
8764
8765         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
8766         dest_prev if the edge is complex.
8767
8768         * tree-cfg.c (is_ctrl_stmt): Use a switch.
8769
8770         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
8771         loop latch tests earlier.
8772
8773         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
8774         before GIMPLE_RETURN, not after its predecessor; insert
8775         before GIMPLE_RESX.
8776
8777         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
8778         gimple_seq_empty_p to test for no PHI nodes.
8779         * tree-cfg.c (split_critical_edges): Likewise.
8780
8781         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
8782
8783 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
8784
8785         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
8786         introduced by the VTA branch merge.
8787
8788 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
8789
8790         * ira-conflicts.c: Use fputs or putc instead of fprintf
8791         where appropriate.
8792         * cfg.c: Ditto.
8793         * toplev.c: Ditto.
8794         * tree-switch-conversion.c: Ditto.
8795
8796 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
8797
8798         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
8799         introduced by the VTA branch merge.
8800
8801 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
8802
8803         Revert:
8804         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
8805
8806         PR rtl-optimization/39779
8807         * expr.c (convert_modes): Return when mode == oldmode after
8808         CONST_INTs are processed.
8809
8810 2009-09-10  Nick Clifton  <nickc@redhat.com>
8811
8812         * config/mep/mep.c (mep_encode_section_info): Copy weakness
8813         attribute and referring decl when creating renamed symbol.
8814
8815 2009-09-10  Richard Guenther  <rguenther@suse.de>
8816
8817         PR middle-end/41257
8818         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
8819         reachable nodes.
8820         (cgraph_finalize_compilation_unit): Compute reachability
8821         before emitting thunks.  Properly process aliases before
8822         possibly removing unreachable nodes.
8823
8824 2009-09-10  Richard Guenther  <rguenther@suse.de>
8825
8826         PR middle-end/41254
8827         * tree.c (struct free_lang_data_d): Add worklist member.
8828         (find_decls_types_r): Push onto the worklist instead of recursing.
8829         Handle TREE_BINFOs properly.
8830         (find_decls_types): New function wrapped around find_decls_types_r
8831         to process the worklist.
8832         (find_decls_types_in_eh_region): Use it.
8833         (find_decls_types_in_node): Likewise.
8834         (find_decls_types_in_var): Likewise.
8835         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
8836         * tree.h (RECORD_OR_UNION_TYPE_P): New.
8837         (AGGREGATE_TYPE_P): Adjust.
8838
8839 2009-09-09  Jason Merrill  <jason@redhat.com>
8840
8841         * configure.ac: Check glibc version even if we have an in-tree
8842         assembler.
8843
8844 2009-09-09  Anthony Green  <green@moxielogic.com>
8845
8846         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
8847         the constant 0 when appropriate.
8848         * config/moxie/constraints.md: Add constraint O.
8849
8850         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
8851         to pass up to 6 32-bit argument values in registers.
8852         (moxie_function_arg): Ditto.
8853         (moxie_arg_partial_bytes): Ditto.
8854         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
8855         (REG_PARM_STACK_SPACE): Ditto.
8856         (FUNCTION_ARG_REGNO_P): Ditto.
8857
8858         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
8859         instruction to allocate stack space.
8860
8861 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
8862
8863         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
8864         unnecessarily stringent constraints.  Fix address
8865         calculation in the splitters.
8866
8867 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
8868
8869         PR rtl-optimization/39779
8870         * expr.c (convert_modes): Return when mode == oldmode after
8871         CONST_INTs are processed.
8872
8873 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
8874
8875         PR/41315
8876         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
8877         (ix86_expand_prologue): Take frame.padding0 into logic of
8878         to_allocate checks.
8879         (ix86_expand_epilogue): Likewise.
8880
8881 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
8882
8883         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
8884         New variables.
8885         (SHLIB_LINK, SHLIB_INSTALL): Use them.
8886         * config/t-slibgcc-libgcc: New file.
8887         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
8888
8889 2009-09-09  Martin Jambor  <mjambor@suse.cz>
8890
8891         PR tree-optimization/41089
8892         * tree-sra.c (find_var_candidates): Do not consider va_lists in
8893         early SRA.
8894
8895 2009-09-09  Richard Henderson  <rth@redhat.com>
8896
8897         * gimple.h (CASE_GIMPLE_OMP): New.
8898         (is_gimple_omp): Use it.
8899         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
8900         (verify_gimple_debug): Likewise.
8901
8902 2009-09-09  Richard Guenther  <rguenther@suse.de>
8903
8904         PR tree-optimization/41101
8905         * tree-ssa-pre.c (maximal_set): Remove.
8906         (compute_antic_aux): Treat the maximal set as implicitly all ones.
8907         Defer all blocks we didn't visit at least one successor.
8908         (add_to_exp_gen): Do not add to the maximal set.
8909         (make_values_for_phi): Likewise.
8910         (compute_avail): Likewise.
8911         (init_pre): Do not allocate the maximal set.
8912         (execute_pre): Do not dump it.
8913
8914 2009-09-09  Martin Jambor  <mjambor@suse.cz>
8915
8916         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
8917         an SSA_NAME rather than a is_gimple_variable.
8918
8919 2009-09-09  Richard Guenther  <rguenther@suse.de>
8920
8921         PR middle-end/41317
8922         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
8923         code dealing with plain pointer bases.
8924         (maybe_fold_offset_to_reference): Likewise.
8925         (maybe_fold_stmt_addition): Adjust.
8926
8927 2009-09-09  Richard Guenther  <rguenther@suse.de>
8928
8929         * tree.c (free_lang_data_in_type): Do not free the type variant
8930         chains.
8931         (free_lang_data): Merge char_type_node with its properly signed
8932         variant.
8933         (pass_ipa_free): Collect after freeing language specific data.
8934
8935 2009-09-09  Michael Matz  <matz@suse.de>
8936
8937         PR middle-end/41268
8938         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
8939         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
8940         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
8941         to reflect reality.
8942
8943 2009-09-08  DJ Delorie  <dj@redhat.com>
8944
8945         * config/mep/mep.c (conversions[]): Add "ml" pattern.
8946
8947 2009-09-04  Jason Merrill  <jason@redhat.com>
8948
8949         * tree.c (tree_find_value): Remove.
8950         * tree.h: Remove prototype.
8951         * varasm.c (assemble_external): Use value_member instead.
8952
8953 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8954
8955         * toplev.c (process_options): Choose default debugging type when
8956         gtoggle enables debug info and type is unset.
8957
8958 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8959
8960         PR debug/41276
8961         PR debug/41307
8962         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
8963         invalid subreg.
8964
8965 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8966
8967         * configure: Rebuilt with modified libtool.m4.
8968
8969 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8970
8971         PR debug/41229
8972         PR debug/41291
8973         PR debug/41300
8974         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
8975
8976 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8977
8978         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
8979         (remove_statement): Likewise.
8980         (rewrite_use_nonlinear_expr): Adjust.
8981         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
8982         * tree-ssa.c (release_defs_bitset): ... this.  New.
8983         * tree-flow.h (release_defs_bitset): Declare.
8984
8985 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8986
8987         PR debug/41232
8988         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
8989         in the middle block.
8990
8991 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
8992
8993         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
8994         via intptr_t to long type.
8995         (insert_operand_rank): Cast long type via intptr_t to
8996         pointer type.
8997         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
8998         pointer to scalar.
8999         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
9000         from pointer to unsigned via uintptr_t.
9001
9002         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
9003         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
9004         and HAVE_INTPTR_T.
9005         * configure: Regenerated.
9006         * config.in: Regenerated
9007         * system.h (stdint.h): Add include.
9008         (inttypes.h): Likewise.
9009         * Makefile.in (aclocal): Add config/stdint.m4.
9010         * aclocal.m4: Regenerated.
9011
9012 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
9013
9014         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
9015         variables.
9016         (note_np_check_stores): New function.
9017         (harmless_null_pointer_p): New function.
9018         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
9019         changed.  Take into account whether we're in the shadow of a condjump
9020         that tested NP_REG for NULL.
9021         Lose all code that tested for SEQUENCEs.
9022         (workaround_speculation): Avoid inserting NOPs for loads that are
9023         either always executed or a NULL pointer.
9024
9025 2009-09-08  Jan Hubicka  <jh@suse.cz>
9026
9027         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
9028         * params.def (early-inlining-insns): Likewise.
9029
9030 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
9031
9032         PR rtl-optimization/41239
9033         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
9034         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
9035         lists.
9036         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
9037         across calls, as the calls might not always return normally.
9038         (call_may_noreturn_p): New function.
9039         (deps_analyze_insn): Update last_function_call_may_noreturn list.
9040         (init_deps): Initialize it.
9041         (remove_from_deps): Also remove calls from
9042         last_function_call_may_noreturn list.
9043
9044 2009-09-07  Richard Henderson  <rth@redhat.com>
9045
9046         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
9047         more VR->OPERANDS than LHS operands.  Free LHS before returning.
9048
9049 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
9050
9051         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
9052         (attr "addrtype"): New member "spreg".
9053         Use it if mem_spfp_address_operand is true for the address.
9054         (attr "type"): New entry "stall".
9055         (cpu_unit "load"): New.
9056         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
9057         "load".
9058         (insn_reservation "loadsp"): New.
9059         (insn_reservation "load_stall1"): New.
9060         (insn_reservation "load_stall3"): New.
9061         (stall): New insn.
9062         * config/bfin/predicates.md (const1_operand, const3_operand): New.
9063         (mem_p_address_operand): Exclude stack and frame pointer based
9064         addresses.
9065         (mem_spfp_address_operand): New; match them here.
9066         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
9067         (bfin_reorg): Call it if scheduling insns.
9068         (bfin_gen_bundles): Remove dummy insns created by
9069         add_sched_insns_for_speculation.
9070
9071         From Jie Zhang <jie.zhang@analog.com>:
9072         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
9073         bfin_si_revision, bfin_workarounds): Move these ...
9074         * config/bfin/bfin.h: ... here.
9075
9076         From Mike Frysinger  <michael.frysinger@analog.com>
9077         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
9078         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
9079         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
9080         bf547m, bf548m, and bf549m.
9081         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
9082         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
9083         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
9084         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
9085         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
9086         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
9087         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
9088         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
9089         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
9090         bf542m, bf544m, bf547m, bf548m, and bf549m.
9091
9092         From Jie Zhang <jie.zhang@analog.com>:
9093         * config/bfin/predicates.md (p_register_operand): New predicate.
9094         (dp_register_operand): New predicate.
9095         * config/bfin/bfin-protos.h (WA_05000074): Define.
9096         (ENABLE_WA_05000074): Define.
9097         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
9098         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
9099         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
9100         (define_attr addrtype): Allow load/store register to be P register.
9101         (define_attr storereg): New.
9102         (define_cpu_unit anomaly_05000074): New.
9103         (define_insn_reservation dsp32shiftimm): New.
9104         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
9105         (define_insn_reservation loadp): Cannot use slot2.
9106         (define_insn_reservation loadsp): Cannot use slot2.
9107         (define_insn_reservation storep): Cannot use slot2. Does not
9108         apply when working around 05000074.
9109         (define_insn_reservation storep_anomaly_05000074): New.
9110         (define_insn_reservation storei): Does not apply when working
9111         around 05000074.
9112         (define_insn_reservation storei_anomaly_05000074): New.
9113         (define_attr length): Add dsp32shiftimm case.
9114         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
9115         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
9116         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
9117         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
9118         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
9119
9120 2009-09-07  Martin Jambor  <mjambor@suse.cz>
9121
9122         PR middle-end/41282
9123         * tree-sra.c (create_artificial_child_access): Return NULL if
9124         build_ref_for_offset fails.
9125         (propagate_subacesses_accross_link): Allow build_ref_for_offset
9126         and create_artificial_child_access to fail.
9127
9128 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
9129
9130         PR c++/41214
9131         * unwind-dw2.c (uw_init_context_1): Mark noinline.
9132         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
9133         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
9134
9135 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
9136
9137         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
9138         block, ensure it has an exit edge.  Emit a barrier after a jump.
9139
9140 2009-09-07  Nick Clifton  <nickc@redhat.com>
9141
9142         * gcc.c (this_is_linker_script): New variable.  Like
9143         this_is_library_file but for the %T constructor.
9144         (end_going_arg): If this_is_linker_script is set then locate the
9145         script and insert a --script switch before it
9146         (do_spec_2): Initialise this_is_linker_script.
9147         (do_spec_1): Likewise.  Handle %T construct.
9148         (eval_spec_function): Preserve this_is_linker_script.
9149         * doc/invoke.texi: Document %T construct in spec files.
9150         * config/m32c/m32c.h (LIB_SPEC): Use it.
9151
9152 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9153
9154         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
9155         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
9156         when volatile flag is set.
9157         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
9158
9159 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
9160
9161         PR bootstrap/41241
9162         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
9163         (combine_stack_adjustments_for_block): Allow insns between stack
9164         adjustments and stores with corresponding pre-(dec|inc)rement or
9165         pre-modify operation.
9166
9167 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
9168
9169         PR bootstrap/41241
9170         * combine-stack-adj.c (struct csa_memlist): Rename to...
9171         (struct csa_reflist): ... this.  Rename mem field to ref.
9172         (free_csa_memlist): Rename to...
9173         (free_csa_reflist): ... this.
9174         (record_one_stack_memref): Rename to...
9175         (record_one_stack_ref): ... this.  Handle also REG_P.
9176         (try_apply_stack_adjustment): Handle also REG_P.
9177         (struct record_stack_memrefs_data): Rename to...
9178         (struct record_stack_refs_data): ... this.  Rename memlist field to
9179         reflist.
9180         (record_stack_memrefs): Rename to...
9181         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
9182         subexpressions instead of failing when a MEM contains SP references.
9183         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
9184         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
9185
9186 2009-09-06  Richard Guenther  <rguenther@suse.de>
9187
9188         PR middle-end/41144
9189         * tree.c (build_array_type): Do not record types marked
9190         with structural equality in the canonical type hashtable.
9191
9192 2009-09-06  Richard Guenther  <rguenther@suse.de>
9193
9194         PR middle-end/41261
9195         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
9196
9197 2009-09-05  Richard Guenther  <rguenther@suse.de>
9198
9199         PR middle-end/41181
9200         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
9201
9202 2009-09-05  Richard Guenther  <rguenther@suse.de>
9203
9204         PR debug/41273
9205         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
9206
9207 2009-09-05  Richard Guenther  <rguenther@suse.de>
9208
9209         PR middle-end/41271
9210         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
9211         before comparing function argument types.
9212
9213 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
9214
9215         PR target/41024
9216         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
9217         the assembler.
9218
9219 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
9220
9221         Revert:
9222         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
9223
9224         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
9225         locators before emit_insn is called.
9226
9227 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
9228
9229         PR bootstrap/41241
9230         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
9231         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
9232         (reginfo_init): Don't call allocate_reg_info.
9233
9234 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
9235
9236         PR target/41262
9237         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
9238         NONDEBUG_INSN_P instead of INSN_P.
9239
9240 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9241
9242         PR debug/41225
9243         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
9244
9245 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9246
9247         PR target/41252
9248         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
9249         pattern of the split.
9250
9251 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9252
9253         * toplev.c (process_options): Move setter of flag_var_tracking
9254         before other tests that depend on it.  Move down setter of
9255         flag_rename_registers.  Don't enable var-tracking-assignments
9256         by default if selective scheduling is enabled.  Warn if both
9257         are enabled.
9258
9259 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9260
9261         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
9262         comment.  Use switch statement to catch overlaps between rtx
9263         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
9264         (IS_DECL_CODE): ... here. Remove.
9265         (check_value_is_not_decl): Remove.
9266         (dv_from_decl, dv_from_value): Check after conversion.
9267
9268 2009-09-04  Richard Guenther  <rguenther@suse.de>
9269
9270         PR middle-end/41257
9271         * (cgraph_finalize_compilation_unit): Move finalizing aliases
9272         after emitting tunks.  Move emitting thunks and ctors from ...
9273         (cgraph_optimize): ... here.  Remove redundant
9274         cgraph_analyze_functions.
9275         * varasm.c (find_decl_and_mark_needed): Remove no longer
9276         necessary check.
9277         (finish_aliases_1): Adjust check for thunk aliases.
9278
9279 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
9280
9281         * config/arm/arm.md (ctzsi2): Added braces
9282         to avoid warning that broke booststrap.
9283
9284 2009-09-04  Martin Jambor  <mjambor@suse.cz>
9285
9286         PR tree-optimization/41112
9287         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
9288         handle variable-bounded arrays.
9289         (expr_with_var_bounded_array_refs_p): New function.
9290         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
9291
9292 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
9293
9294         * config/s390/2097.md: Removed two incorrect bypasses.
9295         (z10_fsimpdf): Fixed latency.
9296         (z10_fhex): New insn_reservation.
9297         (z10_floaddf): Fixed latency.
9298         (z10_floadsf): Fixed latency.
9299         (z10_ftrunctf): Fixed latency.
9300         (z10_ftruncdf): Fixed latency.
9301         * config/s390/s390.c (z10_cost): Fixed values.
9302         (s390_adjust_priority): Added z10 path.
9303         * config/s390/s390.md (type): Added fhex.
9304         (*mov<mode>_64dfp): Updated type attribute.
9305         (*mov<mode>_64): Updated type attribute.
9306         (*mov<mode>_31): Updated type attribute.
9307         (*mov<mode>"): Likewise.
9308         * config/s390/2084.md (x_fsimpdf): Updated condition.
9309
9310 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
9311
9312         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
9313         RTXs in the predicate for operand 1.
9314
9315 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
9316
9317         * config/arm/arm.md (UNSPEC_RBIT): New constant.
9318         (rbitsi2): New insn.
9319         (ctzsi2): New expand.
9320         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
9321
9322 2009-09-03  Martin Jambor  <mjambor@suse.cz>
9323
9324         * tree-sra.c (duplicate_expr_for_different_base): Removed.
9325         (create_artificial_child_access): Use build_ref_for_offset instead
9326         of duplicate_expr_for_different_base.
9327         (propagate_subacesses_accross_link): Likewise.
9328
9329 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
9330
9331         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
9332         of INSN_P.
9333         (mips16e_collect_argument_saves): Skip debug instructions.
9334         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
9335         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
9336         (r10k_insert_cache_barriers): Likewise.
9337         (mips_reorg_process_insns): Likewise.
9338
9339 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
9340
9341         PR bootstrap/41241
9342         * ira.c (update_equiv_reg): Remove check on class likely spill.
9343
9344 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
9345
9346         PR debug/41236
9347         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
9348         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
9349         it or SUBREG.
9350
9351         PR debug/41238
9352         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
9353         the stack slot if it is passed by invisible reference.
9354         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
9355         by invisible reference.
9356
9357 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
9358
9359         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
9360         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
9361         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
9362         0.
9363         * config/bfin/sync.md: New file.
9364         * config/bfin/bfin.md: Include it.
9365         (UNSPEC_ATOMIC): New.
9366         (UNSPEC_ONES): Provide a unique number.
9367
9368         From Jie Zhang <jie.zhang@analog.com>:
9369         * config/bfin/bfin.c (ret_regs): New.
9370         (must_save_fp_p): Don't return true because of frame_pointer_needed.
9371         (must_save_rets_p): New.
9372         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
9373         current_function_is_leaf.
9374         (do_link): Likewise.
9375         (do_unlink): Likewise.
9376         (expand_interrupt_handler_prologue): Use ret_regs array.
9377         (expand_interrupt_handler_epilogue): Use ret_regs array and
9378         pass return register to gen_return_internal.
9379         (bfin_expand_epilogue): Pass return register to
9380         gen_return_internal.
9381         (bfin_expand_call): Explicitly clobber RETS.
9382         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
9383         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
9384         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
9385         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
9386         RETS.
9387         (return_internal): Take a reg rtx rather than the register number.
9388
9389 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
9390
9391         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
9392         when comparing against estimated_loop_iterations_int return.
9393
9394 2009-09-03  Richard Guenther  <rguenther@suse.de>
9395
9396         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
9397         eh_personality_libfunc.
9398
9399 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
9400
9401         * tree-parloops.c (separate_decls_in_region): Add space.
9402
9403 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
9404
9405         * tree-parloops.c (separate_decls_in_region): Change the condition
9406         checking if there are reductions in the loop.
9407
9408 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
9409
9410         PR tree-optimization/38275
9411         * tree-parloops.c (parallelize_loops): Replace profitability condition
9412         for expected number of iterations.
9413
9414 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
9415
9416         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
9417         (bootstrap-debug): Explain conditions in which it becomes default.
9418         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
9419         make it add to it.
9420
9421 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
9422
9423         * doc/invoke.texi (Optimize Options): Move
9424         -finline-small-functions to the -O2 list.
9425
9426 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
9427
9428         * toplev.c (process_options): Enable var-tracking-assignments
9429         by default if var-tracking is enabled.
9430
9431 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
9432
9433         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
9434         barrier.
9435         * emit-rtl.c (prev_nonnote_insn_bb): New function.
9436         * rtl.h (prev_nonnote_insn_bb): Declare it.
9437
9438 2009-09-03  Diego Novillo  <dnovillo@google.com>
9439
9440         * cgraph.c (cgraph_node_for_decl): New.
9441         * cgraph.h (cgraph_node_for_decl): Declare.
9442         * tree.c (host_integerp): Return 0 if T is NULL.
9443
9444 2009-09-03  Diego Novillo  <dnovillo@google.com>
9445
9446         * tree.h (struct alias_pair): Move from varasm.c.
9447         (alias_pairs): Likewise.
9448         (TYPE_MAXVAL): Define.
9449         (TYPE_MINVAL): Define.
9450         (iterative_hash_host_wide_int): Declare.
9451         (remove_unreachable_alias_pairs): Declare.
9452         * tree-pass.h (pass_ipa_free_lang_data): Declare.
9453         * diagnostic.c (default_diagnostic_starter): Make extern.
9454         (default_diagnostic_finalizer): Make extern.
9455         * diagnostic.h (default_diagnostic_starter): Declare.
9456         (default_diagnostic_finalizer): Declare.
9457         (default_tree_printer): Declare.
9458         * toplev.c (default_tree_printer): Make extern.
9459
9460 2009-09-03  Richard Guenther  <rguenther@suse.de>
9461             Diego Novillo  <dnovillo@google.com>
9462
9463         * cgraph.c (cgraph_add_new_function): Remove gimplification.
9464         * cgraphunit.c (cgraph_expand_function): Do not emit
9465         associated thunks from here.
9466         (cgraph_emit_thunks): New.
9467         (cgraph_optimize): Call it.
9468         Return if any IPA pass finds an error.
9469         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
9470         by thunks.
9471
9472 2009-09-03  Simon Baldwin  <simonb@google.com>
9473             Rafael Espindola  <espindola@google.com>
9474             Richard Guenther  <rguenther@suse.de>
9475             Doug Kwan  <dougkwan@google.com>
9476             Diego Novillo  <dnovillo@google.com>
9477
9478         * tree.c: Include tree-pass.h, langhooks-def.h,
9479         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
9480         (free_lang_data_in_type): New.
9481         (need_assembler_name_p): New.
9482         (free_lang_data_in_block): New.
9483         (free_lang_data_in_decl): New.
9484         (struct free_lang_data_d): New.
9485         (add_tree_to_fld_list): New.
9486         (find_decls_types_r): New.
9487         (get_eh_types_for_runtime): New.
9488         (find_decls_types_in_eh_region): New.
9489         (find_decls_types_in_node): New.
9490         (find_decls_types_in_var): New.
9491         (free_lang_data_in_cgraph): New.
9492         (free_lang_data): New.
9493         (gate_free_lang_data): New.
9494         (pass_ipa_free_lang_data): New.
9495
9496 2009-09-03  Diego Novillo  <dnovillo@google.com>
9497
9498         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
9499         * langhooks.h (struct lang_hooks): Add field free_lang_data.
9500         (lang_hooks): Remove const qualifier.
9501         * ipa.c (cgraph_remove_unreachable_nodes): Call
9502         remove_unreachable_alias_pairs.
9503         * except.c (add_type_for_runtime): Check if TYPE has
9504         already been converted.
9505         (lookup_type_for_runtime): Likewise.
9506         (check_handled): Handle converted types.
9507         * varasm.c (remove_unreachable_alias_pairs): New.
9508         * gimple.c: Include demangle.h.
9509         (gimple_decl_printable_name): New.
9510         (gimple_fold_obj_type_ref): New.
9511         * gimple.h (gimple_decl_printable_name): Declare.
9512         (gimple_fold_obj_type_ref): Declare.
9513         * passes.c (init_optimization_passes): Add pass
9514         pass_ipa_free_lang_data.
9515         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
9516         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
9517
9518 2009-09-03  Diego Novillo  <dnovillo@google.com>
9519
9520         * c-lang.c (lang_hooks): Remove const qualifier.
9521
9522 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
9523
9524         * doc/install.texi (*-*-freebsd*): Update target information.
9525
9526 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
9527
9528         * hard-reg-set.h (call_fixed_regs): Remove.
9529         * reginfo.c (call_fixed_regs): Remove.
9530         (init_reg_sets_1): Remove initialization of call_fixed_regs.
9531         (globalize_reg): Don't use call_fixed_regs.
9532         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
9533         call_fixed_regs.
9534
9535 2009-09-01  Michael Matz  <matz@suse.de>
9536
9537         * expr.h (emit_storent_insn, expand_expr_real_1,
9538         expand_expr_real_2): Declare.
9539         * expr.c (emit_storent_insn, expand_expr_real_1,
9540         expand_expr_real_2): Export.
9541         (store_expr): Setting and evaluating dont_return_target is useless.
9542         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
9543         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
9544         * except.c (expand_resx_expr): Rename to ...
9545         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
9546         * except.h (expand_resx_stmt): Declare.
9547         * stmt.c: Add include gimple.h
9548         (expand_asm_expr): Rename to ...
9549         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
9550         (expand_case): Rewrite to take gimple statement.
9551         * tree.h (expand_asm_stmt): Declare.
9552         (expand_case): Change prototype.
9553         * Makefile.in (stmt.o): Depend on gimple.h.
9554         * builtins.c (expand_builtin_synchronize): Build gimple asm
9555         statement, not an ASM_EXPR.
9556         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
9557         gimple_to_tree, release_stmt_tree): Remove.
9558         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
9559         ggc_free, but hold comparison code and operands separately.
9560         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
9561         (expand_call_stmt, expand_gimple_stmt_1,
9562         expand_gimple_stmt): New helpers.
9563         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
9564         release_stmt_tree.  Call expand_gimple_stmt instead.
9565         (expand_gimple_basic_block): Ditto.
9566
9567         * calls.c (emit_call_1): Don't look at EH regions here, make
9568         fntree parameter useless.
9569         (expand_call): New local rettype for TREE_TYPE(exp), use it
9570         throughout.  Remove local p, use addr instead.
9571         Don't look at EH regions here.
9572
9573 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
9574
9575         * doc/invoke.texi (-fsched-pressure): Document it.
9576         (-fsched-reg-pressure-heuristic): Remove it.
9577
9578         * reload.c (ira.h): Include.
9579         (find_reloads): Add choosing reload on number of small spilled
9580         classes.
9581
9582         * haifa-sched.c (ira.h): Include.
9583         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
9584         saved_reg_pressure, curr_reg_live, saved_reg_live,
9585         region_ref_regs): New variables.
9586         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
9587         initiate_reg_pressure_info, setup_ref_regs,
9588         initiate_bb_reg_pressure_info, save_reg_pressure,
9589         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
9590         functions.
9591         (setup_insn_reg_pressure_info): New function.
9592         (rank_for_schedule): Add pressure checking and insn issue time.
9593         Remove comparison of insn reg weights.
9594         (ready_sort): Set insn reg pressure info.
9595         (update_register_pressure, setup_insn_max_reg_pressure,
9596         update_reg_and_insn_max_reg_pressure,
9597         sched_setup_bb_reg_pressure_info): New functions.
9598         (schedule_insn): Add code for printing and updating reg pressure info.
9599         (find_set_reg_weight, find_insn_reg_weight): Remove.
9600         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
9601         (debug_ready_list): Print reg pressure info.
9602         (schedule_block): Ditto.  Check insn issue time.
9603         (sched_init): Set up sched_pressure_p.  Allocate and set up some
9604         reg pressure related info.
9605         (sched_finish): Free some reg pressure related info.
9606         (fix_tick_ready): Make insn always ready if pressure_p.
9607         (init_h_i_d): Don't call find_insn_reg_weight.
9608         (haifa_finish_h_i_d): Free insn reg pressure info.
9609
9610         * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
9611         ira_memory_move_cost, ira_class_hard_regs,
9612         ira_class_hard_regs_num, ira_no_alloc_regs,
9613         ira_available_class_regs, ira_reg_class_cover_size,
9614         ira_reg_class_cover, ira_class_translate): Move to ira.h.
9615
9616         * ira-lives.c (single_reg_class): Check mode to find how many
9617         registers are necessary for operand.
9618         (ira_implicitly_set_insn_hard_regs): New.
9619
9620         * common.opt (fsched-pressure): New options.
9621         (fsched-reg-pressure-heuristic): Remove.
9622
9623         * ira.c (setup_eliminable_regset): Rename to
9624         ira_setup_eliminable_regset.  Make it external.
9625         (expand_reg_info): Pass cover class to setup_reg_classes.
9626         (ira): Call resize_reg_info instead of allocate_reg_info.
9627
9628         * sched-deps.c: Include ira.h.
9629         (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
9630         (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
9631         reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
9632         mark_insn_hard_regno_birth, mark_insn_reg_birth,
9633         mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
9634         mark_insn_reg_store, mark_insn_reg_clobber,
9635         setup_insn_reg_pressure_info): New.
9636         (sched_analyze_1): Update implicit_reg_pending_uses.
9637         (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
9638         Use them to create dependencies.  Set insn reg uses and pressure
9639         info.  Process reg_pending_uses in one place.
9640         (free_deps): Free implicit sets.
9641         (remove_from_deps): Remove implicit sets if necessary.  Check
9642         implicit sets when clearing reg_last_in_use.
9643         (init_deps_global): Clear implicit_reg_pending_clobbers and
9644         implicit_reg_pending_uses.
9645
9646         * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
9647         ira_memory_move_cost, ira_class_hard_regs,
9648         ira_class_hard_regs_num, ira_no_alloc_regs,
9649         ira_available_class_regs, ira_reg_class_cover_size,
9650         ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
9651         (ira_setup_eliminable_regset, ira_set_pseudo_classes,
9652         ira_implicitly_set_insn_hard_regs): New prototypes.
9653
9654         * ira-costs.c (pseudo_classes_defined_p, allocno_p,
9655         cost_elements_num): New variables.
9656         (allocno_costs, total_costs): Rename to costs and
9657         total_allocno_costs.
9658         (COSTS_OF_ALLOCNO): Rename to COSTS.
9659         (allocno_pref): Rename to pref.
9660         (allocno_pref_buffer): Rename to pref_buffer.
9661         (common_classes): Rename to regno_cover_class.
9662         (COST_INDEX): New.
9663         (record_reg_classes): Set allocno attributes only if allocno_p.
9664         (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
9665         (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
9666         and COSTS_OF_ALLOCNO.
9667         (print_costs): Rename to print_allocno_costs.
9668         (print_pseudo_costs): New.
9669         (process_bb_node_for_costs): Split into 2 functions with new
9670         function process_bb_for_costs.  Pass BB to process_bb_for_costs.
9671         (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
9672         new parameter dump_file.  Use cost_elements_num instead of
9673         ira_allocnos_num.  Make one iteration if preferred classes were
9674         already calculated for scheduler.  Make 2 versions of code
9675         depending on allocno_p.
9676         (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
9677         regno_cover_class and COSTS instead of common_classes and
9678         COSTS_OF_ALLOCNO.
9679         (init_costs, finish_costs): New.
9680         (ira_costs): Set up allocno_p and cost_elements_num.  Call
9681         init_costs and finish_costs.
9682         (ira_set_pseudo_classes): New.
9683
9684         * rtl.h (allocate_reg_info): Remove.
9685         (resize_reg_info): Change return type.
9686         (reg_cover_class): New.
9687         (setup_reg_classes): Add new parameter.
9688
9689         * sched-int.h (struct deps_reg): New member implicit_sets.
9690         (sched_pressure_p, sched_regno_cover_class): New external definitions.
9691         (INCREASE_BITS): New macro.
9692         (struct reg_pressure_data, struct reg_use_data): New.
9693         (struct _haifa_insn_data): Remove reg_weight.  Add members
9694         reg_pressure, reg_use_list, reg_set_list, and
9695         reg_pressure_excess_cost_change.
9696         (struct deps): New member implicit_sets.
9697         (pressure_p): New variable.
9698         (COVER_CLASS_BITS, INCREASE_BITS): New macros.
9699         (struct reg_pressure_data, struct reg_use_data): New.
9700         (INSN_REG_WEIGHT): Remove.
9701         (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
9702         INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
9703         (sched_init_region_reg_pressure_info,
9704         sched_setup_bb_reg_pressure_info): New prototypes.
9705
9706         * reginfo.c (struct reg_pref): New member coverclass.
9707         (reg_cover_class): New function.
9708         (reginfo_init, pass_reginfo_init): Move after free_reg_info.
9709         (reg_info_size): New variable.
9710         (allocate_reg_info): Make static.  Setup reg_info_size.
9711         (resize_reg_info): Use reg_info_size.  Return flag of resizing.
9712         (setup_reg_classes): Add a new parameter.  Setup cover class too.
9713
9714         * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
9715         the dependencies.
9716
9717         * sched-rgn.c (deps_join): Set up implicit_sets.
9718         (schedule_region): Set up region and basic blocks pressure
9719         relative info.
9720
9721         * passes.c (init_optimization_passes): Move
9722         pass_subregs_of_mode_init before pass_sched.
9723
9724 2009-09-02  Martin Jambor  <mjambor@suse.cz>
9725
9726         * tree-sra.c (struct access): New field grp_hint.
9727         (dump_access): Dump grp_hint.
9728         (sort_and_splice_var_accesses): Set grp_hint if a group is read
9729         multiple times.
9730         (analyze_access_subtree): Only scalarize accesses with grp_hint set or
9731         those which have been specifically read and somehow written to.
9732         (propagate_subacesses_accross_link): Set grp_hint of right child and
9733         also possibly of the left child.
9734
9735 2009-09-02  Jakub Jelinek  <jakub@redhat.com>
9736
9737         * tree-object-size.c (addr_object_size): Always use object_size_type
9738         0 or 2 when determining the pointer pointed object size.
9739
9740 2009-09-02  Richard Guenther  <rguenther@suse.de>
9741
9742         Revert
9743         2009-08-31  Richard Guenther  <rguenther@suse.de>
9744
9745         * builtins.c (fold_builtin_memory_op): Use the alias oracle
9746         to query if the memory regions for memmove overlap.
9747         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
9748         asserts on pointers, instead deal with odd trees.
9749         (ptr_derefs_may_alias_p): Likewise.
9750         (refs_may_alias_p_1): Constructor bases also never alias.
9751
9752 2009-08-01  Christian Bruel  <christian.bruel@st.com>
9753
9754         Revert:
9755         2009-07-31  Christian Bruel  <christian.bruel@st.com>
9756         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
9757
9758 2009-09-01  Alexandre Oliva  <aoliva@redhat.com>
9759
9760         * doc/invoke.texi (-fvar-tracking-assignments): New.
9761         (-fvar-tracking-assignments-toggle): New.
9762         (-fdump-final-insns=file): Mark filename as optional.
9763         (--param min-nondebug-insn-uid): New.
9764         (-gdwarf-@{version}): Mention version 4.
9765         * opts.c (common_handle_option): Accept it.
9766         * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
9767         * regrename.c (regrename_optimize): Drop last.  Don't count debug
9768         insns as uses.  Don't reject change because of debug insn.
9769         (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
9770         from the chain starter, and check for inexact matches in DEBUG_INSNS.
9771         (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
9772         (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
9773         * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
9774         * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
9775         * doc/gimple.texi (is_gimple_debug): New.
9776         (gimple_debug_bind_p): New.
9777         (is_gimple_call, gimple_assign_cast_p): End sentence with period.
9778         * doc/install.texi (bootstrap-debug): More details.
9779         (bootstrap-debug-big, bootstrap-debug-lean): Document.
9780         (bootstrap-debug-lib): More details.
9781         (bootstrap-debug-ckovw): Update.
9782         (bootstrap-time): New.
9783         * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
9784         (insert_phi_nodes_for): Insert debug stmts.
9785         (rewrite_stmt): Take iterator.  Insert debug stmts.
9786         (rewrite_enter_block): Adjust.
9787         (maybe_replace_use_in_debug_stmt): New.
9788         (rewrite_update_stmt): Use it.
9789         (mark_use_interesting): Return early for debug stmts.
9790         * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
9791         stmts before replacing stmt.
9792         (move_computations_stmt): Likewise.
9793         * ira-conflicts.c (add_copies): Skip debug insns.
9794         * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
9795         (regstat_bb_compute_ri): Skip debug insns.
9796         * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
9797         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
9798         check_loop_closed_ssa_stmt): Skip debug stmts.
9799         * tree-tailcall.c (find_tail_calls): Likewise.
9800         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
9801         * tree.h (MAY_HAVE_DEBUG_STMTS): New.
9802         (build_var_debug_value_stat): Declare.
9803         (build_var_debug_value): Define.
9804         (target_for_debug_bind): Declare.
9805         * reload.c (find_equiv_reg): Skip debug insns.
9806         * rtlanal.c (reg_used_between_p): Skip debug insns.
9807         (side_effects_p): Likewise.
9808         (canonicalize_condition): Likewise.
9809         * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
9810         insns never depend on debug insns.
9811         (create_ddg_dep_no_link): Likewise.
9812         (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
9813         Don't add inter-loop dependencies for debug insns.
9814         (build_intra_loop_deps): Likewise.
9815         (create_ddg): Count debug insns.
9816         * ddg.h (struct ddg::num_debug): New.
9817         (num_backargs): Pair up with previous int field.
9818         * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
9819         -fcompare-debug-second.
9820         * final.c (get_attr_length_1): Skip debug insns.
9821         (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
9822         * gcc.c (invoke_as): Call compare-debug-dump-opt.
9823         (driver_self_specs): Map -fdump-final-insns to
9824         -fdump-final-insns=..
9825         (get_local_tick): New.
9826         (compare_debug_dump_opt_spec_function): Test for . argument and
9827         compute output name.  Compute temp output spec without flag name.
9828         Compute -frandom-seed.
9829         (OPT): Undef after use.
9830         * cfgloopanal.c (num_loop_insns): Skip debug insns.
9831         (average_num_loop_insns): Likewise.
9832         * params.h (MIN_NONDEBUG_INSN_UID): New.
9833         * gimple.def (GIMPLE_DEBUG): New.
9834         * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
9835         * auto-inc-dec.c (merge_in_block): Skip debug insns.
9836         (merge_in_block): Fix whitespace.
9837         * toplev.c (flag_var_tracking): Update comment.
9838         (flag_var_tracking_assignments): New.
9839         (flag_var_tracking_assignments_toggle): New.
9840         (process_options): Don't open final insns dump file if we're not
9841         going to write to it.  Compute defaults for var_tracking.
9842         * df-scan.c (df_insn_rescan_debug_internal): New.
9843         (df_uses_record): Handle debug insns.
9844         * haifa-sched.c (ready): Initialize n_debug.
9845         (contributes_to_priority): Skip debug insns.
9846         (dep_list_size): New.
9847         (priority): Use it.
9848         (rank_for_schedule): Likewise.  Schedule debug insns as soon as
9849         they're ready.  Disregard previous debug insns to make decisions.
9850         (queue_insn): Never queue debug insns.
9851         (ready_add, ready_remove_first, ready_remove): Count debug insns.
9852         (schedule_insn): Don't reject debug insns because of issue rate.
9853         (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
9854         (queue_to_ready): Skip and discount debug insns.
9855         (choose_ready): Let debug insns through.
9856         (schedule_block): Check boundary debug insns.  Discount debug
9857         insns, schedule them early.  Adjust whitespace.
9858         (set_priorities): Check for boundary debug insns.
9859         (add_jump_dependencies): Use dep_list_size.
9860         (prev_non_location_insn): New.
9861         (check_cfg): Use it.
9862         * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
9863         stmts.
9864         (remove_unused_ivs): Reset debug stmts.
9865         * modulo-sched.c (const_iteration_count): Skip debug insns.
9866         (res_MII): Discount debug insns.
9867         (loop_single_full_bb_p): Skip debug insns.
9868         (sms_schedule): Likewise.
9869         (sms_schedule_by_order): Likewise.
9870         (ps_has_conflicts): Likewise.
9871         * caller-save.c (refmarker_fn): New.
9872         (save_call_clobbered_regs): Replace regs with saved mem in
9873         debug insns.
9874         (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
9875         Call refmarker_fn mark for hardregnos.
9876         (mark_reg_as_referenced): New.
9877         (replace_reg_with_saved_mem): New.
9878         * ipa-pure-const.c (check_stmt): Skip debug stmts.
9879         * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
9880         searching back.
9881         (cse_extended_basic_block): Skip debug insns.
9882         (count_reg_usage): Likewise.
9883         (is_dead_reg): New, split out of...
9884         (set_live_p): ... here.
9885         (insn_live_p): Use it for debug insns.
9886         * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
9887         (execute_optimize_stdarg): Likewise.
9888         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
9889         * tree-ssa-propagate.c (substitute_and_fold): Don't regard
9890         changes in debug stmts as changes.
9891         * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
9892         (moveup_expr): Don't move across debug insns.  Don't move
9893         debug insn if it would create a bookkeeping block.
9894         (moveup_expr_cached): Don't use cache for debug insns that
9895         are heads of blocks.
9896         (compute_av_set_inside_bb): Skip debug insns.
9897         (sel_rank_for_schedule): Schedule debug insns first.  Remove
9898         dead code.
9899         (block_valid_for_bookkeeping_p); Support lax searches.
9900         (create_block_for_bookkeeping): Adjust block numbers when
9901         encountering debug-only blocks.
9902         (find_place_for_bookkeeping): Deal with debug-only blocks.
9903         (generate_bookkeeping_insn): Accept no place to insert.
9904         (remove_temp_moveop_nops): New argument full_tidying.
9905         (prepare_place_to_insert): Deal with debug insns.
9906         (advance_state_on_fence): Debug insns don't start cycles.
9907         (update_boundaries): Take fence as argument.  Deal with
9908         debug insns.
9909         (schedule_expr_on_boundary): No full_tidying on debug insns.
9910         (fill_insns): Deal with debug insns.
9911         (track_scheduled_insns_and_blocks): Don't count debug insns.
9912         (need_nop_to_preserve_insn_bb): New, split out of...
9913         (remove_insn_from_stream): ... this.
9914         (fur_orig_expr_not_found): Skip debug insns.
9915         * rtl.def (VALUE): Move up.
9916         (DEBUG_INSN): New.
9917         * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
9918         (nearest_common_dominator_of_uses): Take debug_stmts argument.
9919         Set it if debug stmts are found.
9920         (statement_sink_location): Skip debug stmts.  Propagate
9921         moving defs into debug stmts.
9922         * ifcvt.c (first_active_insn): Skip debug insns.
9923         (last_active_insns): Likewise.
9924         (cond_exec_process_insns): Likewise.
9925         (noce_process_if_block): Likewise.
9926         (check_cond_move_block): Likewise.
9927         (cond_move_convert_if_block): Likewise.
9928         (block_jumps_and_fallthru_p): Likewise.
9929         (dead_or_predicable): Likewise.
9930         * dwarf2out.c (debug_str_hash_forced): New.
9931         (find_AT_string): Add comment.
9932         (gen_label_for_indirect_string): New.
9933         (get_debug_string_label): New.
9934         (AT_string_form): Use it.
9935         (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
9936         MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
9937         discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
9938         several operations that cannot be represented with DWARF opcodes.
9939         (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
9940         dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
9941         (dwarf2out_var_location): Take during-call mark into account.
9942         (output_indirect_string): Update comment.  Output if there are
9943         label and references.
9944         (prune_indirect_string): New.
9945         (prune_unused_types): Call it if debug_str_hash_forced.
9946         More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
9947         (dw_long_long_const): Remove.
9948         (struct dw_val_struct): Change val_long_long type to rtx.
9949         (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
9950         val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
9951         (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
9952         component instead of HOST_BITS_PER_LONG.
9953         (output_loc_operands): Likewise.  For const8* assert
9954         HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
9955         (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
9956         rather than HOST_BITS_PER_LONG is >= 64.
9957         (add_AT_long_long): Remove val_hi and val_lo arguments, add
9958         val_const_double.
9959         (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
9960         HOST_BITS_PER_LONG for dw_val_class_long_long.
9961         (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
9962         handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
9963         (dwarf_stack_op_name): Handle DW_OP_implicit_value and
9964         DW_OP_stack_value.
9965         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
9966         Handle DW_OP_implicit_value.
9967         (extract_int): Move prototype earlier.
9968         (mem_loc_descriptor): For SUBREG punt if inner
9969         mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
9970         and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
9971         EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
9972         UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
9973         (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
9974         instead of Pmode size.
9975         (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
9976         CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
9977         attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
9978         (concat_loc_descriptor, concatn_loc_descriptor,
9979         loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
9980         (add_location_or_const_value_attribute): Likewise.  For single
9981         location loc_lists attempt to use add_const_value_attribute
9982         for constant decls.  Add DW_AT_const_value even if
9983         NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
9984         in its expression.
9985         * cfgbuild.c (inside_basic_block_p): Handle debug insns.
9986         (control_flow_insn_p): Likewise.
9987         * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
9988         (separate_decls_in_region_debug_bind): New.
9989         (separate_decls_in_region): Process debug bind stmts afterwards.
9990         * recog.c (verify_changes): Handle debug insns.
9991         (extract_insn): Likewise.
9992         (peephole2_optimize): Skip debug insns.
9993         * dse.c (scan_insn): Skip debug insns.
9994         * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
9995         Pass it on.
9996         (setup_id_for_insn): Handle debug insns.
9997         (maybe_tidy_empty_bb): Adjust whitespace.
9998         (tidy_control_flow): Skip debug insns.
9999         (sel_remove_insn): Adjust for debug insns.
10000         (sel_estimate_number_of_insns): Skip debug insns.
10001         (create_insn_rtx_from_pattern): Handle debug insns.
10002         (create_copy_of_insn_rtx): Likewise.
10003         * sel-sched-.h (sel_bb_end): Declare.
10004         (sel_bb_empty_or_nop_p): New.
10005         (get_all_loop_exits): Use it.
10006         (_eligible_successor_edge_p): Likewise.
10007         (return_nop_to_pool): Adjust.
10008         * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
10009         * ira-lives.c (process_bb_node_lives): Skip debug insns.
10010         * gimple-pretty-print.c (dump_gimple_debug): New.
10011         (dump_gimple_stmt): Use it.
10012         (dump_bb_header): Skip gimple debug stmts.
10013         * regmove.c (optimize_reg_copy_1): Discount debug insns.
10014         (fixup_match_2): Likewise.
10015         (regmove_backward_pass): Likewise.  Simplify combined
10016         replacement.  Handle debug insns.
10017         * function.c (instantiate_virtual_regs): Handle debug insns.
10018         * function.h (struct emit_status): Add x_cur_debug_insn_uid.
10019         * print-rtl.h: Include cselib.h.
10020         (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
10021         * df.h (df_inns_rescan_debug_internal): Declare.
10022         * gcse.c (alloc_hash_table): Estimate n_insns.
10023         (cprop_insn): Don't regard debug insns as changes.
10024         (bypass_conditional_jumps): Skip debug insns.
10025         (one_pre_gcse_pass): Adjust.
10026         (one_code_hoisting_pass): Likewise.
10027         (compute_ld_motion_mems): Skip debug insns.
10028         (one_cprop_pass): Adjust.
10029         * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
10030         (if_convertible_stmt_p): Handle debug stmts.
10031         * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
10032         * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
10033         * ira-build.c (create_bb_allocnos): Skip debug insns.
10034         * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
10035         (has_single_use): Likewise.
10036         (single_imm_use): Likewise.
10037         (num_imm_uses): Likewise.
10038         * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
10039         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
10040         (create_outofssa_var_map): Likewise.
10041         * lower-subreg.c (adjust_decomposed_uses): New.
10042         (resolve_debug): New.
10043         (decompose_multiword_subregs): Use it.
10044         * tree-dfa.c (find_referenced_vars): Skip debug stmts.
10045         * emit-rtl.c: Include params.h.
10046         (cur_debug_insn_uid): Define.
10047         (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
10048         (copy_rtx_if_shared_1): Handle debug insns.
10049         (reset_used_flags): Likewise.
10050         (set_used_flags): LIkewise.
10051         (get_max_insn_count): New.
10052         (next_nondebug_insn): New.
10053         (prev_nondebug_insn): New.
10054         (make_debug_insn_raw): New.
10055         (emit_insn_before_noloc): Handle debug insns.
10056         (emit_jump_insn_before_noloc): Likewise.
10057         (emit_call_insn_before_noloc): Likewise.
10058         (emit_debug_insn_before_noloc): New.
10059         (emit_insn_after_noloc): Handle debug insns.
10060         (emit_jump_insn_after_noloc): Likewise.
10061         (emit_call_insn_after_noloc): Likewise.
10062         (emit_debug_insn_after_noloc): Likewise.
10063         (emit_insn_after): Take loc from earlier non-debug insn.
10064         (emit_jump_insn_after): Likewise.
10065         (emit_call_insn_after): Likewise.
10066         (emit_debug_insn_after_setloc): New.
10067         (emit_debug_insn_after): New.
10068         (emit_insn_before): Take loc from later non-debug insn.
10069         (emit_jump_insn_before): Likewise.
10070         (emit_call_insn_before): Likewise.
10071         (emit_debug_insn_before_setloc): New.
10072         (emit_debug_insn_before): New.
10073         (emit_insn): Handle debug insns.
10074         (emit_debug_insn): New.
10075         (emit_jump_insn): Handle debug insns.
10076         (emit_call_insn): Likewise.
10077         (emit): Likewise.
10078         (init_emit): Take min-nondebug-insn-uid into account.
10079         Initialize cur_debug_insn_uid.
10080         (emit_copy_of_insn_after): Handle debug insns.
10081         * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
10082         location of single rhs in place.
10083         (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
10084         (floor_sdiv_adjust): New.
10085         (cell_sdiv_adjust): New.
10086         (cell_udiv_adjust): New.
10087         (round_sdiv_adjust): New.
10088         (round_udiv_adjust): New.
10089         (wrap_constant): Moved from cselib.
10090         (unwrap_constant): New.
10091         (expand_debug_expr): New.
10092         (expand_debug_locations): New.
10093         (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
10094         debug bind stmts.
10095         (gimple_expand_cfg): Expand debug locations.
10096         * cselib.c: Include tree-pass.h.
10097         (struct expand_value_data): New.
10098         (cselib_record_sets_hook): New.
10099         (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
10100         (cselib_clear_table): Move, and implemnet in terms of...
10101         (cselib_reset_table_with_next_value): ... this.
10102         (cselib_get_next_unknown_value): New.
10103         (discard_useless_locs): Don't discard preserved values.
10104         (cselib_preserve_value): New.
10105         (cselib_preserved_value_p): New.
10106         (cselib_preserve_definitely): New.
10107         (cselib_clear_preserve): New.
10108         (cselib_preserve_only_values): New.
10109         (new_cselib_val): Take rtx argument.  Dump it in details.
10110         (cselib_lookup_mem): Adjust.
10111         (expand_loc): Take regs_active in struct.  Adjust.  Silence
10112         dumps unless details are requested.
10113         (cselib_expand_value_rtx_cb): New.
10114         (cselib_expand_value_rtx): Rename and reimplment in terms of...
10115         (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
10116         without details.  Copy more subregs.  Try to resolve values
10117         using a callback.  Wrap constants.
10118         (cselib_subst_to_values): Adjust.
10119         (cselib_log_lookup): New.
10120         (cselib_lookup): Call it.
10121         (cselib_invalidate_regno): Don't count preserved values as useless.
10122         (cselib_invalidate_mem): Likewise.
10123         (cselib_record_set): Likewise.
10124         (struct set): Renamed to cselib_set, moved to cselib.h.
10125         (cselib_record_sets): Adjust.  Call hook.
10126         (cselib_process_insn): Reset table when it would be cleared.
10127         (dump_cselib_val): New.
10128         (dump_cselib_table): New.
10129         * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
10130         (remove_forwarder_block): Support moving debug stmts.
10131         * cselib.h (cselib_record_sets_hook): Declare.
10132         (cselib_expand_callback): New type.
10133         (cselib_expand_value_rtx_cb): Declare.
10134         (cselib_reset_table_with_next_value): Declare.
10135         (cselib_get_next_unknown_value): Declare.
10136         (cselib_preserve_value): Declare.
10137         (cselib_preserved_value_p): Declare.
10138         (cselib_preserve_only_values): Declare.
10139         (dump_cselib_table): Declare.
10140         * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
10141         (try_crossjump_to_edge): Likewise.
10142         (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
10143         dominated blocks when debug stmts are present.
10144         * simplify-rtx.c (delegitimize_mem_from_attrs): New.
10145         * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
10146         (set_var_live_on_entry): Likewise.
10147         * loop-invariant.c (find_invariants_bb): Skip debug insns.
10148         * cfglayout.c (curr_location, last_location): Make static.
10149         (set_curr_insn_source_location): Don't avoid bouncing.
10150         (get_curr_insn_source_location): New.
10151         (get_curr_insn_block): New.
10152         (duplicate_insn_chain): Handle debug insns.
10153         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
10154         into debug stmts.
10155         * common.opt (fcompare-debug): Move to sort order.
10156         (fdump-unnumbered-links): Likewise.
10157         (fvar-tracking-assignments): New.
10158         (fvar-tracking-assignments-toggle): New.
10159         * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
10160         because of debug stmts.
10161         (mark_stmt_if_obviously_necessary): Mark debug stmts.
10162         (eliminate_unnecessary_stmts): Walk dominated blocks before
10163         dominators.
10164         * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
10165         * ira.c (memref_used_between_p): Skip debug insns.
10166         (update_equiv_regs): Likewise.
10167         * sched-deps.c (sd_lists_size): Accept empty list.
10168         (sd_init_insn): Mark debug insns.
10169         (sd_finish_insn): Unmark them.
10170         (sd_add_dep): Reject non-debug deps on debug insns.
10171         (fixup_sched_groups): Give debug insns group treatment.
10172         Skip debug insns.
10173         (sched_analyze_reg): Don't mark debug insns for sched before call.
10174         (sched_analyze_2): Handle debug insns.
10175         (sched_analyze_insn): Compute next non-debug insn.  Handle debug
10176         insns.
10177         (deps_analyze_insn): Handle debug insns.
10178         (deps_start_bb): Skip debug insns.
10179         (init_deps): Initialize last_debug_insn.
10180         * tree-ssa.c (target_for_debug_bind): New.
10181         (find_released_ssa_name): New.
10182         (propagate_var_def_into_debug_stmts): New.
10183         (propagate_defs_into_debug_stmts): New.
10184         (verify_ssa): Skip debug bind stmts without values.
10185         (warn_uninialized_vars): Skip debug stmts.
10186         * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
10187         * rtl.c (rtx_equal_p_cb): Handle VALUEs.
10188         (rtx_equal_p): Likewise.
10189         * ira-costs.c (scan_one_insn): Skip debug insns.
10190         (process_bb_node_for_hard_reg_moves): Likewise.
10191         * rtl.h (DEBUG_INSN_P): New.
10192         (NONDEBUG_INSN_P): New.
10193         (MAY_HAVE_DEBUG_INSNS): New.
10194         (INSN_P): Accept debug insns.
10195         (RTX_FRAME_RELATED_P): Likewise.
10196         (INSN_DELETED_P): Likewise
10197         (PAT_VAR_LOCATION_DECL): New.
10198         (PAT_VAR_LOCATION_LOC): New.
10199         (PAT_VAR_OCATION_STATUS): New.
10200         (NOTE_VAR_LOCATION_DECL): Reimplement.
10201         (NOTE_VAR_LOCATION_LOC): Likewise.
10202         (NOTE_VAR_LOCATION_STATUS): Likewise.
10203         (INSN_VAR_LOCATION): New.
10204         (INSN_VAR_LOCATION_DECL): New.
10205         (INSN_VAR_LOCATION_LOC): New.
10206         (INSN_VAR_LOCATION_STATUS): New.
10207         (gen_rtx_UNKNOWN_VAR_LOC): New.
10208         (VAR_LOC_UNKNOWN_P): New.
10209         (NOTE_DURING_CALL_P): New.
10210         (SCHED_GROUP_P): Accept debug insns.
10211         (emit_debug_insn_before): Declare.
10212         (emit_debug_insn_before_noloc): Declare.
10213         (emit_debug_insn_beore_setloc): Declare.
10214         (emit_debug_insn_after): Declare.
10215         (emit_debug_insn_after_noloc): Declare.
10216         (emit_debug_insn_after_setloc): Declare.
10217         (emit_debug_insn): Declare.
10218         (make_debug_insn_raw): Declare.
10219         (prev_nondebug_insn): Declare.
10220         (next_nondebug_insn): Declare.
10221         (delegitimize_mem_from_attrs): Declare.
10222         (get_max_insn_count): Declare.
10223         (wrap_constant): Declare.
10224         (unwrap_constant): Declare.
10225         (get_curr_insn_source_location): Declare.
10226         (get_curr_insn_block): Declare.
10227         * tree-inline.c (insert_debug_decl_map): New.
10228         (processing_debug_stmt): New.
10229         (remap_decl): Don't create new mappings in debug stmts.
10230         (remap_gimple_op_r): Don't add references in debug stmts.
10231         (copy_tree_body_r): Likewise.
10232         (remap_gimple_stmt): Handle debug bind stmts.
10233         (copy_bb): Skip debug stmts.
10234         (copy_edges_for_bb): Likewise.
10235         (copy_debug_stmt): New.
10236         (copy_debug_stmts): New.
10237         (copy_body): Copy debug stmts at the end.
10238         (insert_init_debug_bind): New.
10239         (insert_init_stmt): Take id.  Skip and emit debug stmts.
10240         (setup_one_parameter): Remap variable earlier, register debug mapping.
10241         (estimate_num_insns): Skip debug stmts.
10242         (expand_call_inline): Preserve debug_map.
10243         (optimize_inline_calls): Check for no debug_stmts left-overs.
10244         (unsave_expr_now): Preserve debug_map.
10245         (copy_gimple_seq_and_replace_locals): Likewise.
10246         (tree_function_versioning): Check for no debug_stmts left-overs.
10247         Init and destroy debug_map as needed.  Split edges unconditionally.
10248         (build_duplicate_type): Init and destroy debug_map as needed.
10249         * tree-inline.h: Include gimple.h instead of pointer-set.h.
10250         (struct copy_body_data): Add debug_stmts and debug_map.
10251         * sched-int.h (struct ready_list): Add n_debug.
10252         (struct deps): Add last_debug_insn.
10253         (DEBUG_INSN_SCHED_P): New.
10254         (BOUNDARY_DEBUG_INSN_P): New.
10255         (SCHEDULE_DEBUG_INSN_P): New.
10256         (sd_iterator_cond): Accept empty list.
10257         * combine.c (create_log_links): Skip debug insns.
10258         (combine_instructions): Likewise.
10259         (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
10260         return value is always unshared.
10261         (struct rtx_subst_pair): New.
10262         (auto_adjust_pair): New.
10263         (propagate_for_debug_subst): New.
10264         (propagate_for_debug): New.
10265         (try_combine): Skip debug insns.  Propagate removed defs into
10266         debug insns.
10267         (next_nonnote_nondebug_insn): New.
10268         (distribute_notes): Use it.  Skip debug insns.
10269         (distribute_links): Skip debug insns.
10270         * tree-outof-ssa.c (set_location_for_edge): Likewise.
10271         * resource.c (mark_target_live_regs): Likewise.
10272         * var-tracking.c: Include cselib.h and target.h.
10273         (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
10274         MO_VAL_SET.
10275         (micro_operation_type_name): New.
10276         (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
10277         (struct micro_operation_def): Update comments.
10278         (decl_or_value): New type.  Use instead of decls.
10279         (struct emit_note_data_def): Add vars.
10280         (struct attrs_def): Use decl_or_value.
10281         (struct variable_tracking_info_def): Add permp, flooded.
10282         (struct location_chain_def): Update comment.
10283         (struct variable_part_def): Use decl_or_value.
10284         (struct variable_def): Make var_part a variable length array.
10285         (valvar_pool): New.
10286         (scratch_regs): New.
10287         (cselib_hook_called): New.
10288         (dv_is_decl_p): New.
10289         (dv_is_value_p): New.
10290         (dv_as_decl): New.
10291         (dv_as_value): New.
10292         (dv_as_opaque): New.
10293         (dv_onepart_p): New.
10294         (dv_pool): New.
10295         (IS_DECL_CODE): New.
10296         (check_value_is_not_decl): New.
10297         (dv_from_decl): New.
10298         (dv_from_value): New.
10299         (dv_htab_hash): New.
10300         (variable_htab_hash): Use it.
10301         (variable_htab_eq): Support values.
10302         (variable_htab_free): Free from the right pool.
10303         (attrs_list_member, attrs_list_insert): Use decl_or_value.
10304         (attrs_list_union): Adjust.
10305         (attrs_list_mpdv_union): New.
10306         (tie_break_pointers): New.
10307         (canon_value_cmp): New.
10308         (unshare_variable): Return possibly-modified slot.
10309         (vars_copy_1): Adjust.
10310         (var_reg_decl_set): Adjust.  Split out of...
10311         (var_reg_set): ... this.
10312         (get_init_value): Adjust.
10313         (var_reg_delete_and_set): Adjust.
10314         (var_reg_delete): Adjust.
10315         (var_regno_delete): Adjust.
10316         (var_mem_decl_set): Split out of...
10317         (var_mem_set): ... this.
10318         (var_mem_delete_and_set): Adjust.
10319         (var_mem_delete): Adjust.
10320         (val_store): New.
10321         (val_reset): New.
10322         (val_resolve): New.
10323         (variable_union): Adjust.  Speed up merge of 1-part vars.
10324         (variable_canonicalize): Use unshared slot.
10325         (VALUED_RECURSED_INTO): New.
10326         (find_loc_in_1pdv): New.
10327         (struct dfset_merge): New.
10328         (insert_into_intersection): New.
10329         (intersect_loc_chains): New.
10330         (loc_cmp): New.
10331         (canonicalize_loc_order_check): New.
10332         (canonicalize_values_mark): New.
10333         (canonicalize_values_star): New.
10334         (variable_merge_over_cur): New.
10335         (variable_merge_over_src): New.
10336         (dataflow_set_merge): New.
10337         (dataflow_set_equiv_regs): New.
10338         (remove_duplicate_values): New.
10339         (struct dfset_post_merge): New.
10340         (variable_post_merge_new_vals): New.
10341         (variable_post_merge_perm_vals): New.
10342         (dataflow_post_merge_adjust): New.
10343         (find_mem_expr_in_1pdv): New.
10344         (dataflow_set_preserve_mem_locs): New.
10345         (dataflow_set_remove_mem_locs): New.
10346         (dataflow_set_clear_at_call): New.
10347         (onepart_variable_different_p): New.
10348         (variable_different_p): Use it.
10349         (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
10350         (track_expr_p): Add need_rtl parameter.  Don't generate rtl
10351         if not needed.
10352         (track_loc_p): Pass it true.
10353         (struct count_use_info): New.
10354         (find_use_val): New.
10355         (replace_expr_with_values): New.
10356         (log_op_type): New.
10357         (use_type): New, partially split out of...
10358         (count_uses): ... this.  Count new micro-ops.
10359         (count_uses_1): Adjust.
10360         (count_stores): Adjust.
10361         (count_with_sets): New.
10362         (VAL_NEEDS_RESOLUTION): New.
10363         (VAL_HOLDS_TRACK_EXPR): New.
10364         (VAL_EXPR_IS_COPIED): New.
10365         (VAL_EXPR_IS_CLOBBERED): New.
10366         (add_uses): Adjust.  Generate new micro-ops.
10367         (add_uses_1): Adjust.
10368         (add_stores): Generate new micro-ops.
10369         (add_with_sets): New.
10370         (find_src_status): Adjust.
10371         (find_src_set_src): Adjust.
10372         (compute_bb_dataflow): Use dataflow_set_clear_at_call.
10373         Handle new micro-ops.  Canonicalize value equivalances.
10374         (vt_find_locations): Compute total size of hash tables for
10375         dumping.  Perform merge for var-tracking-assignments.  Don't
10376         disregard single-block loops.
10377         (dump_attrs_list): Handle decl_or_value.
10378         (dump_variable): Take variable.  Deal with decl_or_value.
10379         (dump_variable_slot): New.
10380         (dump_vars): Use it.
10381         (dump_dataflow_sets): Adjust.
10382         (set_slot_part): New, extended to support one-part variables
10383         after splitting out of...
10384         (set_variable_part): ... this.
10385         (clobber_slot_part): New, split out of...
10386         (clobber_variable_part): ... this.
10387         (delete_slot_part): New, split out of...
10388         (delete_variable_part): .... this.
10389         (check_wrap_constant): New.
10390         (vt_expand_loc_callback): New.
10391         (vt_expand_loc): New.
10392         (emit_note_insn_var_location): Adjust.  Handle values.  Handle
10393         EMIT_NOTE_AFTER_CALL_INSN.
10394         (emit_notes_for_differences_1): Adjust.  Handle values.
10395         (emit_notes_for_differences_2): Likewise.
10396         (emit_notes_for_differences): Adjust.
10397         (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
10398         Adjust.  Handle new micro-ops.
10399         (vt_add_function_parameters): Adjust.  Create and bind values.
10400         (vt_initialize): Adjust.  Initialize scratch_regs and
10401         valvar_pool, flooded and perm..  Initialize and use cselib.  Log
10402         operations.  Move some code to count_with_sets and add_with_sets.
10403         (delete_debug_insns): New.
10404         (vt_debug_insns_local): New.
10405         (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
10406         cselib.
10407         (var_tracking_main): If var-tracking-assignments is enabled
10408         but var-tracking isn't, delete debug insns and leave.  Likewise
10409         if we exceed limits or fail the stack adjustments tests, and
10410         after all var-tracking processing.
10411         More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
10412         (dataflow_set): Add traversed_vars.
10413         (value_chain, const_value_chain): New typedefs.
10414         (value_chain_pool, value_chains): New variables.
10415         (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
10416         add_value_chains, add_cselib_value_chains, remove_value_chain,
10417         remove_value_chains, remove_cselib_value_chains): New functions.
10418         (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
10419         shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
10420         static inlines.
10421         (shared_hash_find_slot_unshare, shared_hash_find_slot,
10422         shared_hash_find_slot_noinsert, shared_hash_find): Update.
10423         (dst_can_be_shared): New variable.
10424         (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
10425         Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
10426         different from set->vars, look up slot again instead of using the
10427         passed in slot.
10428         (dataflow_set_init): Initialize traversed_vars.
10429         (variable_union): Use shared_hash_*.  Use initially NO_INSERT
10430         lookup if set->vars is shared.  Don't keep slot cleared before
10431         calling unshare_variable.  Unshare set->vars if needed.  Adjust
10432         unshare_variable callers.  Clear dst_can_be_shared if needed.
10433         Even ->refcount == 1 vars must be unshared if set->vars is shared
10434         and var needs to be modified.
10435         (dataflow_set_union): Set traversed_vars during canonicalization.
10436         (VALUE_CHANGED, DECL_CHANGED): Define.
10437         (set_dv_changed, dv_changed_p): New static inlines.
10438         (track_expr_p): Clear DECL_CHANGED.
10439         (dump_dataflow_sets): Set it.
10440         (variable_was_changed): Call set_dv_changed.
10441         (emit_note_insn_var_location): Likewise.
10442         (changed_variables_stack): New variable.
10443         (check_changed_vars_1, check_changed_vars_2): New functions.
10444         (emit_notes_for_changes): Do nothing if changed_variables is
10445         empty.  Traverse changed_variables with check_changed_vars_1,
10446         call check_changed_vars_2 on each changed_variables_stack entry.
10447         (emit_notes_in_bb): Add SET argument.  Just clear it at the
10448         beginning, use it instead of local &set, don't destroy it at the end.
10449         (vt_emit_notes): Call dataflow_set_clear early on all
10450         VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
10451         computed set, dataflow_set_clear also VTI(bb)->in when we are
10452         done with the basic block.  Initialize changed_variables_stack,
10453         free it afterwards.  If ENABLE_CHECKING verify that after noting
10454         differences to an empty set value_chains hash table is empty.
10455         (vt_initialize): Initialize value_chains and value_chain_pool.
10456         (vt_finalize): Delete value_chains htab, free value_chain_pool.
10457         (variable_tracking_main): Call dump_dataflow_sets before calling
10458         vt_emit_notes, not after it.
10459         * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
10460         (propagate_var_def_into_debug_stmts): Declare.
10461         * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
10462         (df_set_note): Reject debug insns.
10463         (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
10464         add notes to debug insns.
10465         (df_note_bb_compute): Adjust.  Likewise.
10466         (df_simulate_uses): Skip debug insns.
10467         (df_simulate_initialize_backwards): Likewise.
10468         * reg-stack.c (subst_stack_regs_in_debug_insn): New.
10469         (subst_stack_regs_pat): Reject debug insns.
10470         (convert_regs_1): Handle debug insns.
10471         * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
10472         (print-rtl.o): Depend on cselib.h.
10473         (cselib.o): Depend on TREE_PASS_H.
10474         (var-tracking.o): Depend on cselib.h and TARGET_H.
10475         * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
10476         (init_ready_list): Skip boundary debug insns.
10477         (add_branch_dependences): Skip debug insns.
10478         (free_block_dependencies): Check for blocks with only debug insns.
10479         (compute_priorities): Likewise.
10480         * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
10481         (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
10482         all callers.
10483         (gimple_build_debug_bind_stat): New.
10484         (empty_body_p): Skip debug stmts.
10485         (gimple_has_side_effects): Likewise.
10486         (gimple_rhs_has_side_effects): Likewise.
10487         * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
10488         (gimple_build_debug_bind_stat): Declare.
10489         (gimple_build_debug_bind): Define.
10490         (is_gimple_debug): New.
10491         (gimple_debug_bind_p): New.
10492         (gimple_debug_bind_get_var): New.
10493         (gimple_debug_bind_get_value): New.
10494         (gimple_debug_bind_get_value_ptr): New.
10495         (gimple_debug_bind_set_var): New.
10496         (gimple_debug_bind_set_value): New.
10497         (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
10498         (gimple_debug_bind_reset_value): New.
10499         (gimple_debug_bind_has_value_p): New.
10500         (gsi_next_nondebug): New.
10501         (gsi_prev_nondebug): New.
10502         (gsi_start_nondebug_bb): New.
10503         (gsi_last_nondebug_bb): New.
10504         * sched-vis.c (print_pattern): Handle VAR_LOCATION.
10505         (print_insn): Handle DEBUG_INSN.
10506         * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
10507         of first insn prevail.
10508         (first_stmt): Skip debug stmts.
10509         (first_non_label_stmt): Likewise.
10510         (last_stmt): Likewise.
10511         (has_zero_uses_1): New.
10512         (single_imm_use_1): New.
10513         (verify_gimple_debug): New.
10514         (verify_types_in_gimple_stmt): Handle debug stmts.
10515         (verify_stmt): Likewise.
10516         (debug_loop_num): Skip debug stmts.
10517         (remove_edge_and_dominated_blocks): Remove dominators last.
10518         * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
10519         (linearize_expr): Likewise.
10520         * config/i386/i386.c (ix86_delegitimize_address): Call
10521         default implementation.
10522         * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
10523         (group_barrier_needed): Skip debug insns.
10524         (emit_insn_group_barriers): Likewise.
10525         (emit_all_insn_group_barriers): Likewise.
10526         (ia64_variable_issue): Handle debug insns.
10527         (ia64_dfa_new_cycle): Likewise.
10528         (final_emit_insn_group_barriers): Skip debug insns.
10529         (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
10530         def cfa without frame.
10531         (process_set): Likewise.
10532         (process_for_unwind_directive): Pass frame on.
10533         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
10534         (rs6000_delegitimize_address): New.
10535         (rs6000_debug_adjust_cost): Handle debug insns.
10536         (is_microcoded_insn): Likewise.
10537         (is_cracked_insn): Likewise.
10538         (is_nonpipeline_insn): Likewise.
10539         (insn_must_be_first_in_group): Likewise.
10540         (insn_must_be_last_in_group): Likewise.
10541         (force_new_group): Likewise.
10542         * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
10543         contains only debug insns.
10544         (rtl_merge_blocks): Skip debug insns.
10545         (purge_dead_edges): Likewise.
10546         (rtl_block_ends_with_call_p): Skip debug insns.
10547         * dce.c (deletable_insn_p): Handle VAR_LOCATION.
10548         (mark_reg_dependencies): Skip debug insns.
10549         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
10550         * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
10551         * tree-ssa-threadedge.c
10552         (record_temporary_equivalences_from_stmts): Skip debug stmts.
10553         * regcprop.c (replace_oldest_value_addr): Skip debug insns.
10554         (replace_oldest_value_mem): Use ALL_REGS for debug insns.
10555         (copyprop_hardreg_forward_1): Handle debug insns.
10556         * reload1.c (reload): Skip debug insns.  Replace unassigned
10557         pseudos in debug insns with their equivalences.
10558         (eliminate_regs_in_insn): Skip debug insns.
10559         (emit_input_reload_insns): Skip debug insns at first, adjust
10560         them later.
10561         * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
10562         (get_indirect_ref_operands): Pass opf_no_vops on.
10563         (get_expr_operands): Likewise.  Skip debug stmts.
10564         (parse_ssa_operands): Scan debug insns with opf_no_vops.
10565
10566 2009-09-01  Richard Henderson  <rth@redhat.com>
10567
10568         * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
10569         stmt_ends_pp_p statements at least once.
10570         * tree-vrp.c (vrp_initialize): Likewise.
10571         (vrp_visit_stmt): Be prepared for non-interesting stmts.
10572
10573 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
10574
10575         PR bootstrap/41205
10576         Fix AIX bootstrap after PR debug/30161
10577         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
10578         that is a GNU extension.
10579         (tmpl_value_parm_die_table): Move the definition of this global
10580         outside #ifdef DWARF2_DEBUGGING_INFO region.
10581
10582 2009-09-01  Richard Guenther  <rguenther@suse.de>
10583
10584         * tree.c (tree_expr_size): New function.
10585         * tree.h (tree_expr_size): Declare.
10586         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
10587         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
10588         * langhooks.c (lhd_expr_size): Remove.
10589         * langhooks.h (struct lang_hooks): Remove expr_size.
10590         * explow.c (expr_size): Use tree_expr_size.
10591         (int_expr_size): Likewise.
10592         * langhooks-def.h (lhd_expr_size): Remove.
10593         (LANG_HOOKS_EXPR_SIZE): Likewise.
10594         (LANG_HOOKS_INITIALIZER): Adjust.
10595
10596 2009-09-01  Richard Guenther  <rguenther@suse.de>
10597
10598         * tree-flow.h (mark_addressable): Move declaration ...
10599         * tree.h (mark_addressable): ... here.
10600         * stmt.c (expand_asm_operands): Use mark_addressable, not
10601         lang_hooks.mark_addressable.
10602         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
10603         LANG_HOOKS_MARK_ADDRESSABLE.
10604         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
10605         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
10606
10607 2009-08-31  Chris Demetriou  <cgd@google.com>
10608
10609         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
10610         vectorize if not TARGET_SSE2.
10611
10612 2009-08-31  DJ Delorie  <dj@redhat.com>
10613
10614         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
10615         registers if no coprocessor is enabled.
10616
10617 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
10618
10619         PR debug/30161
10620         * cgraph.h (cgraph_get_node): Declare ...
10621         * cgraph.c (cgraph_get_node): ... new function.
10622         * dwarf2out.c (gen_generic_params_dies,
10623         generic_parameter_die, tree_add_const_value_attribute_for_decl,
10624         make_ith_pack_parameter_name,
10625         append_entry_to_tmpl_value_parm_die_table,
10626         gen_remaining_tmpl_value_param_die_attribute): New functions.
10627         (gen_subprogram_die): Generate debug info for template parameters
10628         if debug info level is higher than DINFO_LEVEL_TERSE.
10629         Use tree_add_const_value_attribute_for_decl instead of
10630         tree_add_const_value_attribute.
10631         (gen_const_die): Use tree_add_const_value_attribute_for_decl
10632         instead of tree_add_const_value_attribute.
10633         (gen_struct_or_union_type_die): Generate debug
10634         info for template parameters if debug info level is higher than
10635         DINFO_LEVEL_TERSE.
10636         (tree_add_const_value_attribute): Handle integral and pointer
10637         constants. Update comment.
10638         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
10639         (dwarf_attr_name): Support DW_AT_GNU_template_name.
10640         (reference_to_unused): Fix thinko. Remove redundant predicates from
10641         tests.
10642         (tree_add_const_value_attribute): Make this work for constant
10643         expressions only.
10644         tree_add_const_value_attribute_for_decl is to be used for variable
10645         DECLs now.
10646         (add_location_or_const_value_attribute): Use
10647         tree_add_const_value_attribute_for_decl now.
10648         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
10649         DW_TAG_template_value_param DIEs after function DIEs have been
10650         emitted.
10651         * langhooks.h (lang_hooks_for_types): Add
10652         get_argument_pack_elems.
10653         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
10654         (lang_hooks): Added get_innermost_generic_parms,
10655         get_innermost_generic_args.
10656         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
10657         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
10658         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
10659         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
10660
10661 2009-08-31  DJ Delorie  <dj@redhat.com>
10662
10663         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
10664         it once we start generating the prologue or epilogue.
10665         (mep_call_saves_register): If the frame is locked, re-use
10666         cached values.
10667         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
10668         (mep_expand_prologue): Call it.
10669         (mep_expand_epilogue): Likewise.
10670         (mep_start_function): Use the same logic as mep_expand_prologue.
10671         (mep_pass_by_reference): Make logic more readable.
10672         (mep_return_in_memory): Zero-sized objects are passed in memory.
10673         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
10674
10675 2009-08-31  Richard Guenther  <rguenther@suse.de>
10676
10677         * builtins.c (fold_builtin_memory_op): Use the alias oracle
10678         to query if the memory regions for memmove overlap.
10679         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
10680         asserts on pointers, instead deal with odd trees.
10681         (ptr_derefs_may_alias_p): Likewise.
10682         (refs_may_alias_p_1): Constructor bases also never alias.
10683
10684 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
10685
10686         * doc/install.texi (Final install): Adjust reference on where to
10687         order printed manuals.
10688
10689 2009-08-30  Olivier Hainque  <hainque@adacore.com>
10690
10691         * dwarf2out.c (switch_to_frame_table_section): Move
10692         definition prior to first use.
10693
10694 2009-08-30  Richard Guenther  <rguenther@suse.de>
10695
10696         PR tree-optimization/41186
10697         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
10698         (ao_ref_init_from_ptr_and_size): New function.
10699         (ref_maybe_used_by_call_p_1): Be more precise tracking
10700         used ranges for builtin functions.
10701         (ref_maybe_used_by_call_p): Adjust.
10702         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
10703         ranges for builtin functions.
10704         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
10705
10706 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
10707
10708         PR target/41081
10709         * fwprop.c (get_reg_use_in): Delete.
10710         (free_load_extend): New function.
10711         (forward_propagate_subreg): Use it.
10712
10713 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10714
10715         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
10716
10717 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
10718
10719         PR/41184
10720         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
10721         padding.
10722
10723 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
10724
10725         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
10726         fini or fini_array section.
10727
10728 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10729
10730         * graphite-dependences.c (graphite_legal_transform_bb): Call
10731         pbb_remove_duplicate_pdrs.
10732         * graphite-poly.c (can_collapse_pdr): Removed.
10733         (pdr_find_duplicate): Removed.
10734         (can_collapse_pdrs): New.
10735         (pbb_remove_duplicate_pdrs): New.
10736         (new_poly_dr): Do not look for duplicates.
10737         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
10738         (PBB_PDR_DUPLICATES_REMOVED): New.
10739         (pbb_remove_duplicate_pdrs): Declared.
10740
10741 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10742
10743         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
10744         the strides by multiplying by PDR_NB_REFS.
10745         * graphite-poly.c (can_collapse_pdr): New.
10746         (pdr_find_duplicate): New.
10747         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
10748         Initialize PDR_NB_REFS.
10749         * graphite-poly.h (struct poly_dr): Add field nb_refs.
10750         (PDR_NB_REFS): New.
10751         (new_poly_dr): Number of subscripts is a graphite_dim_t.
10752
10753 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10754
10755         PR middle-end/40965
10756         * graphite-poly.c (apply_poly_transforms): Remove legality test before
10757         any transform.
10758
10759 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10760
10761         * graphite-dependences.c (pddr_original_scattering): Return NULL
10762         for read-read dependence relations.
10763         * graphite-poly.h (enum poly_dr_type): Fix comment.
10764         (pdr_read_p): New.
10765         (pdr_write_p): New.
10766         (pdr_may_write_p): New.
10767
10768 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10769
10770         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
10771         (struct poly_dr): Same.
10772         (new_poly_dr): Same.
10773         * graphite-poly.c (new_poly_dr): Same.
10774         * graphite-dependences.c (dot_deps): Disable call to system.
10775
10776 2009-08-28  Cary Coutant  <ccoutant@google.com>
10777
10778         PR debug/41063
10779         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
10780         struct/union/enum types local to a function.
10781
10782 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
10783             Sebastian Pop  <sebastian.pop@amd.com>
10784
10785         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
10786         pbb_strip_mine_time_depth.  Changed the implementation so that
10787         transformation is expressed as a transformation on
10788         time (scatttering) dimensions.  Also, ensures that the 2d+1
10789         scheduling format is preserved.
10790         (pbb_strip_mine_profitable_p): Profitability is based on the
10791         iteration number of a given time (scattering) dimension,
10792         and not on a original loop depth dimension.
10793         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
10794         (pbb_do_strip_mine): Call psct_dynamic_dim.
10795         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
10796         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
10797         (pbb_nb_dynamic_scattering_transform): New.
10798         (psct_dynamic_dim): New.
10799
10800 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
10801
10802         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
10803         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
10804         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
10805         * graphite-interchange.c (build_linearized_memory_access): Same.
10806         (memory_stride_in_loop): Same.
10807
10808 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10809
10810         * graphite-dependences.c (pddr_original_scattering): New.
10811         (graphite_legal_transform_dr): Call pddr_original_scattering.
10812         (dot_deps_1): New.
10813         (dot_deps): New.
10814         * graphite-dependences.h (dot_deps): Declared.
10815         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
10816         (print_pdr): Print PDR_ID.
10817         * graphite-poly.h (struct poly_dr): Add field id.
10818         (PDR_ID): New.
10819         (pbb_index): New.
10820         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
10821
10822 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10823
10824         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
10825         not delete the original dependence relation.
10826
10827 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10828
10829         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
10830         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
10831         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
10832         (free_poly_ddr): New.
10833         (pddr_is_empty): New.
10834         (dependence_polyhedron_1): Now returns a poly_ddr_p.
10835         (dependence_polyhedron): Same.  Remove useless gcc_assert.
10836         Remove fprintfs.
10837         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
10838         (graphite_carried_dependence_level_k): Call pddr_is_empty.
10839         * graphite-dependences.h (enum poly_dependence_kind): New.
10840         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
10841         (PDRP_SOURCE): Renamed PDDR_SOURCE.
10842         (PDRP_SINK): Renamed PDDR_SINK.
10843         (PDRP_DDP): Renamed PDDR_DDP.
10844         (PDDR_KIND): New.
10845         (free_poly_ddr): Declared.
10846         * graphite-poly.c (new_scop): Use the new hash function names.
10847         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
10848         into original_pddrs.
10849         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
10850
10851 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10852
10853         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
10854         bounds with LT_EXPR to make niter analysis more precise on code
10855         generated by Graphite.
10856
10857 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10858
10859         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
10860         (graphite_legal_transform_bb): Same.
10861         (poly_drs_may_alias_p): Same.
10862
10863 2009-08-28  Richard Guenther  <rguenther@suse.de>
10864
10865         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
10866
10867 2009-08-28  Jan Beulich  <jbeulich@novell.com>
10868
10869         * config/i386/netware.c: Include langhooks.h.
10870         (i386_nlm_encode_section_info): Simplify.
10871         (netware_override_options): Delete.
10872         * config/i386/netware.h (netware_override_options): Delete
10873         declaration.
10874         (OVERRIDE_OPTIONS): Delete definition.
10875         (SUBTARGET_OVERRIDE_OPTIONS): Define.
10876         (ASM_COMMENT_START): Define.
10877         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
10878
10879 2009-08-28  Jan Beulich  <jbeulich@novell.com>
10880
10881         * configure.ac: For in-tree ld, do a plain version check to
10882         determine whether comdat groups are supported.
10883         * configure: Regenerate.
10884
10885 2009-08-28  Olivier Hainque  <hainque@adacore.com>
10886
10887         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
10888         always defined.  Reflect definition or absence of such for
10889         COLLECT_EXPORT_LIST.  Readability helper.
10890         (scanfilter): New enum, to help control what symbols
10891         are to be considered or ignored by scan_prog_file.
10892         (enum pass): Rename as "scanpass", moved together with scanfilter
10893         prior to scan_prog_file's prototype.
10894         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
10895         Group prototype with the scanpass/scanfilter definitions, factorize
10896         head comments for the several implementations at the prototype.
10897         (main): Reorganize the first pass link control to let AIX
10898         drag only the needed frame tables in executables.  Prevent
10899         frame tables collection during the scan aimed at static ctors.
10900         Pre-link and scan for frame tables later to compensate.
10901         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
10902         A C statement to issue assembly directives that create a reference
10903         to the given DWARF table identifier label from the current function
10904         section.
10905         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
10906         to differentiate first time section entry.  Only emit a .data
10907         tables start identifier label the first time around.
10908         (switch_to_frame_table_section): New function.  Helper for
10909         output_call_frame_info to switch possibly BACK into the eh_frame
10910         or the debug_frame section depending on FOR_EH.
10911         (output_call_frame_info): Use helper to first enter the proper
10912         frame section.
10913         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
10914         emit a link to the frame table start label from each function
10915         section.
10916         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
10917         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
10918         * config/rs6000/rs6000-protos.h: Declare it.
10919         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
10920
10921 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
10922
10923         * config/sh/sh.c (split_branches): Check the result of
10924         next_active_insn.
10925
10926 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
10927
10928         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
10929         using -pthread -fopenmp
10930
10931 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
10932
10933         * doc/service.texi (service directory): Update URL.
10934
10935 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
10936
10937         PR rtl-optimization/40861
10938         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
10939         extract word from a multi-word subreg for negative byte positions.
10940
10941 2009-08-27  Tristan Gingold  <gingold@adacore.com>
10942             Douglas B Rupp  <rupp@gnat.com>
10943
10944         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
10945         (SECTION_VMS_OVERLAY): Define.
10946         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
10947         attribute.
10948         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
10949         for common_object.
10950         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
10951         common_object declarations.
10952         (ia64_section_type_flags): Set section flag for common_object.
10953         * config/ia64/ia64-protos.h
10954         (ia64_vms_output_aligned_decl_common): Declare.
10955         (ia64_vms_elf_asm_named_section): Declare.
10956
10957 2009-08-27  Michael Matz  <matz@suse.de>
10958
10959         * expr.c (expand_expr_real_2): New function taking exploded
10960         unary or binary expression, split out from ...
10961         (expand_expr_real_1): ... here.  Move over all unary/binary
10962         switch parts to above function, in particular these codes:
10963         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
10964         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
10965         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
10966         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
10967         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
10968         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
10969         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
10970         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
10971         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
10972         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
10973         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
10974         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
10975         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
10976         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
10977         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
10978         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
10979         VEC_PACK_FIX_TRUNC_EXPR.
10980         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
10981         full expression.
10982
10983 2009-08-27  Richard Guenther  <rguenther@suse.de>
10984
10985         * gengtype.c (main): Handle uint64_t.
10986         * ipa-utils.c (get_base_var): Indent properly.
10987         * tree-ssa-live.c (debug_scope_block): New function.
10988         * tree-flow.h (debug_scope_block): Declare.
10989         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
10990         * basic-block.h (enum profile_status): Rename to
10991         enum profile_status_d.
10992         (x_profile_status): Adjust type.
10993
10994 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
10995
10996         PR debug/41170
10997         * dwarf2out.c (get_context_die): Declare this static function.
10998         (gen_type_die_with_usage): Make sure a DIE is a generated for
10999         the context of a typedef.
11000
11001 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
11002
11003         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
11004         switch.
11005
11006 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
11007
11008         * config/mips/mips-protos.h (mips_output_sync): Declare.
11009         (mips_sync_loop_insns): Likewise.
11010         (mips_output_sync_loop): Replace first two parameters with an rtx.
11011         * config/mips/mips.c (mips_multi_member): New structure.
11012         (mips_multi_members): New variable.
11013         (mips_multi_start): New function.
11014         (mips_multi_add): Likewise.
11015         (mips_multi_add_insn): Likewise.
11016         (mips_multi_add_label): Likewise.
11017         (mips_multi_last_index): Likewise.
11018         (mips_multi_copy_insn): Likewise.
11019         (mips_multi_set_operand): Likewise.
11020         (mips_multi_write): Likewise.
11021         (mips_print_operand_punctuation): Remove '%|' and '%-'.
11022         (mips_init_print_operand_punct): Update accordingly.
11023         (mips_start_ll_sc_sync_block): New function.
11024         (mips_end_ll_sc_sync_block): Likewise.
11025         (mips_output_sync): Likewise.
11026         (mips_sync_insn1_template): Likewise.
11027         (mips_sync_insn2_template): Likewise.
11028         (mips_get_sync_operand): Likewise.
11029         (mips_process_sync_loop): Likewise.
11030         (mips_output_sync_loop): Use mips_process_sync_loop.
11031         (mips_sync_loop_insns): New function.
11032         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
11033         (MIPS_COMPARE_AND_SWAP_12): Likewise.
11034         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
11035         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
11036         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
11037         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
11038         (MIPS_SYNC_OLD_OP_12): Likewise.
11039         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
11040         (MIPS_SYNC_NEW_OP_12): Likewise.
11041         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
11042         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
11043         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
11044         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
11045         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
11046         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
11047         * config/mips/mips.md (sync_mem): New attribute.
11048         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
11049         (sync_exclusive_mask, sync_required_oldval): Likewise.
11050         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
11051         (sync_release_barrier): Likewise.
11052         (length): Handle sync loops.
11053         (sync): Use mips_output_sync.
11054         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
11055         (sync_compare_and_swap<mode>): Set the new sync_* attributes
11056         and use mips_output_sync_loop.
11057         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
11058         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
11059         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
11060         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
11061         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
11062         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
11063         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
11064         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
11065         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
11066
11067 2009-08-26  Richard Guenther  <rguenther@suse.de>
11068
11069         PR middle-end/41163
11070         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
11071         the types to not match.
11072         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
11073         verification.
11074         * tree-ssa.c (useless_type_conversion_p): Conversions to
11075         pointers to unprototyped functions are useless.
11076
11077 2009-08-26  Richard Guenther  <rguenther@suse.de>
11078
11079         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
11080         whole-program condition, prepare to be called for non-globals.
11081         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
11082         params build a representative with known type and track its fields.
11083
11084 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
11085
11086         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
11087         clearing by a taken branch.
11088         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
11089         effectively after bbro pass.
11090         (sync_nand<mode>): Ditto.
11091         (sync_old_<fetchop_name><mode>): Ditto.
11092         (sync_old_nand<mode>): Ditto.
11093         (sync_new_<fetchop_name><mode>): Dito.
11094         (sync_new_nand<mode>): Ditto.
11095         (sync_compare_and_swap<mode>_1): Ditto.
11096         (*sync_compare_and_swap<mode>): Ditto.
11097         (sync_lock_test_and_set<mode>_1): Ditto.
11098         ("sync_lock_test_and_set<mode>): Ditto.
11099
11100 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
11101
11102         * hwint.h (HOST_LONG_FORMAT): New macro
11103         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
11104         Use HOST_PTR_PRINTF.
11105         * system.h (HOST_PTR_PRINTF): Resurrect old macro
11106         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
11107         (HOST_PTR_PRINTF): Document.
11108
11109 2009-08-25 Jan Hubicka  <jh@suse.cz>
11110
11111         * config/i386/bmmintrin.h: Replace by #error.
11112
11113         Revert:
11114         Michael Meissner  <michael.meissner@amd.com>
11115         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
11116         Tony Linthicum  <tony.linthicum@amd.com>
11117
11118         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
11119         (TARGET_ROUND): New macro for the round/ptest instructions which
11120         are shared between SSE4.1 and SSE5.
11121         (OPTION_MASK_ISA_ROUND): Ditto.
11122         (OPTION_ISA_ROUND): Ditto.
11123         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
11124         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
11125
11126         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
11127         (-mfused-madd): New switch to give users control over whether the
11128         compiler optimizes to use the multiply/add SSE5 instructions.
11129
11130         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
11131         (ix86_handle_option): Turn off 3dnow if -msse5.
11132         (override_options): Add SSE5 support.
11133         (print_operand): %Y prints comparison codes for SSE5 com/pcom
11134         instructions.
11135         (ix86_expand_sse_movcc): Add SSE5 support.
11136         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
11137         vector type to the next largest size.
11138         (ix86_expand_sse5_pack): New function to use pperm to pack a
11139         vector type to the next smallest size.
11140         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
11141         (IX86_BUILTIN_FMADDSD): Ditto.
11142         (IX86_BUILTIN_FMADDPS): Ditto.
11143         (IX86_BUILTIN_FMADDPD): Ditto.
11144         (IX86_BUILTIN_FMSUBSS): Ditto.
11145         (IX86_BUILTIN_FMSUBSD): Ditto.
11146         (IX86_BUILTIN_FMSUBPS): Ditto.
11147         (IX86_BUILTIN_FMSUBPD): Ditto.
11148         (IX86_BUILTIN_FNMADDSS): Ditto.
11149         (IX86_BUILTIN_FNMADDSD): Ditto.
11150         (IX86_BUILTIN_FNMADDPS): Ditto.
11151         (IX86_BUILTIN_FNMADDPD): Ditto.
11152         (IX86_BUILTIN_FNMSUBSS): Ditto.
11153         (IX86_BUILTIN_FNMSUBSD): Ditto.
11154         (IX86_BUILTIN_FNMSUBPS): Ditto.
11155         (IX86_BUILTIN_FNMSUBPD): Ditto.
11156         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
11157         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
11158         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
11159         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
11160         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
11161         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
11162         (IX86_BUILTIN_PPERM): Ditto.
11163         (IX86_BUILTIN_PERMPS): Ditto.
11164         (IX86_BUILTIN_PERMPD): Ditto.
11165         (IX86_BUILTIN_PMACSSWW): Ditto.
11166         (IX86_BUILTIN_PMACSWW): Ditto.
11167         (IX86_BUILTIN_PMACSSWD): Ditto.
11168         (IX86_BUILTIN_PMACSWD): Ditto.
11169         (IX86_BUILTIN_PMACSSDD): Ditto.
11170         (IX86_BUILTIN_PMACSDD): Ditto.
11171         (IX86_BUILTIN_PMACSSDQL): Ditto.
11172         (IX86_BUILTIN_PMACSSDQH): Ditto.
11173         (IX86_BUILTIN_PMACSDQL): Ditto.
11174         (IX86_BUILTIN_PMACSDQH): Ditto.
11175         (IX86_BUILTIN_PMADCSSWD): Ditto.
11176         (IX86_BUILTIN_PMADCSWD): Ditto.
11177         (IX86_BUILTIN_PHADDBW): Ditto.
11178         (IX86_BUILTIN_PHADDBD): Ditto.
11179         (IX86_BUILTIN_PHADDBQ): Ditto.
11180         (IX86_BUILTIN_PHADDWD): Ditto.
11181         (IX86_BUILTIN_PHADDWQ): Ditto.
11182         (IX86_BUILTIN_PHADDDQ): Ditto.
11183         (IX86_BUILTIN_PHADDUBW): Ditto.
11184         (IX86_BUILTIN_PHADDUBD): Ditto.
11185         (IX86_BUILTIN_PHADDUBQ): Ditto.
11186         (IX86_BUILTIN_PHADDUWD): Ditto.
11187         (IX86_BUILTIN_PHADDUWQ): Ditto.
11188         (IX86_BUILTIN_PHADDUDQ): Ditto.
11189         (IX86_BUILTIN_PHSUBBW): Ditto.
11190         (IX86_BUILTIN_PHSUBWD): Ditto.
11191         (IX86_BUILTIN_PHSUBDQ): Ditto.
11192         (IX86_BUILTIN_PROTB): Ditto.
11193         (IX86_BUILTIN_PROTW): Ditto.
11194         (IX86_BUILTIN_PROTD): Ditto.
11195         (IX86_BUILTIN_PROTQ): Ditto.
11196         (IX86_BUILTIN_PROTB_IMM): Ditto.
11197         (IX86_BUILTIN_PROTW_IMM): Ditto.
11198         (IX86_BUILTIN_PROTD_IMM): Ditto.
11199         (IX86_BUILTIN_PROTQ_IMM): Ditto.
11200         (IX86_BUILTIN_PSHLB): Ditto.
11201         (IX86_BUILTIN_PSHLW): Ditto.
11202         (IX86_BUILTIN_PSHLD): Ditto.
11203         (IX86_BUILTIN_PSHLQ): Ditto.
11204         (IX86_BUILTIN_PSHAB): Ditto.
11205         (IX86_BUILTIN_PSHAW): Ditto.
11206         (IX86_BUILTIN_PSHAD): Ditto.
11207         (IX86_BUILTIN_PSHAQ): Ditto.
11208         (IX86_BUILTIN_FRCZSS): Ditto.
11209         (IX86_BUILTIN_FRCZSD): Ditto.
11210         (IX86_BUILTIN_FRCZPS): Ditto.
11211         (IX86_BUILTIN_FRCZPD): Ditto.
11212         (IX86_BUILTIN_CVTPH2PS): Ditto.
11213         (IX86_BUILTIN_CVTPS2PH): Ditto.
11214         (IX86_BUILTIN_COMEQSS): Ditto.
11215         (IX86_BUILTIN_COMNESS): Ditto.
11216         (IX86_BUILTIN_COMLTSS): Ditto.
11217         (IX86_BUILTIN_COMLESS): Ditto.
11218         (IX86_BUILTIN_COMGTSS): Ditto.
11219         (IX86_BUILTIN_COMGESS): Ditto.
11220         (IX86_BUILTIN_COMUEQSS): Ditto.
11221         (IX86_BUILTIN_COMUNESS): Ditto.
11222         (IX86_BUILTIN_COMULTSS): Ditto.
11223         (IX86_BUILTIN_COMULESS): Ditto.
11224         (IX86_BUILTIN_COMUGTSS): Ditto.
11225         (IX86_BUILTIN_COMUGESS): Ditto.
11226         (IX86_BUILTIN_COMORDSS): Ditto.
11227         (IX86_BUILTIN_COMUNORDSS): Ditto.
11228         (IX86_BUILTIN_COMFALSESS): Ditto.
11229         (IX86_BUILTIN_COMTRUESS): Ditto.
11230         (IX86_BUILTIN_COMEQSD): Ditto.
11231         (IX86_BUILTIN_COMNESD): Ditto.
11232         (IX86_BUILTIN_COMLTSD): Ditto.
11233         (IX86_BUILTIN_COMLESD): Ditto.
11234         (IX86_BUILTIN_COMGTSD): Ditto.
11235         (IX86_BUILTIN_COMGESD): Ditto.
11236         (IX86_BUILTIN_COMUEQSD): Ditto.
11237         (IX86_BUILTIN_COMUNESD): Ditto.
11238         (IX86_BUILTIN_COMULTSD): Ditto.
11239         (IX86_BUILTIN_COMULESD): Ditto.
11240         (IX86_BUILTIN_COMUGTSD): Ditto.
11241         (IX86_BUILTIN_COMUGESD): Ditto.
11242         (IX86_BUILTIN_COMORDSD): Ditto.
11243         (IX86_BUILTIN_COMUNORDSD): Ditto.
11244         (IX86_BUILTIN_COMFALSESD): Ditto.
11245         (IX86_BUILTIN_COMTRUESD): Ditto.
11246         (IX86_BUILTIN_COMEQPS): Ditto.
11247         (IX86_BUILTIN_COMNEPS): Ditto.
11248         (IX86_BUILTIN_COMLTPS): Ditto.
11249         (IX86_BUILTIN_COMLEPS): Ditto.
11250         (IX86_BUILTIN_COMGTPS): Ditto.
11251         (IX86_BUILTIN_COMGEPS): Ditto.
11252         (IX86_BUILTIN_COMUEQPS): Ditto.
11253         (IX86_BUILTIN_COMUNEPS): Ditto.
11254         (IX86_BUILTIN_COMULTPS): Ditto.
11255         (IX86_BUILTIN_COMULEPS): Ditto.
11256         (IX86_BUILTIN_COMUGTPS): Ditto.
11257         (IX86_BUILTIN_COMUGEPS): Ditto.
11258         (IX86_BUILTIN_COMORDPS): Ditto.
11259         (IX86_BUILTIN_COMUNORDPS): Ditto.
11260         (IX86_BUILTIN_COMFALSEPS): Ditto.
11261         (IX86_BUILTIN_COMTRUEPS): Ditto.
11262         (IX86_BUILTIN_COMEQPD): Ditto.
11263         (IX86_BUILTIN_COMNEPD): Ditto.
11264         (IX86_BUILTIN_COMLTPD): Ditto.
11265         (IX86_BUILTIN_COMLEPD): Ditto.
11266         (IX86_BUILTIN_COMGTPD): Ditto.
11267         (IX86_BUILTIN_COMGEPD): Ditto.
11268         (IX86_BUILTIN_COMUEQPD): Ditto.
11269         (IX86_BUILTIN_COMUNEPD): Ditto.
11270         (IX86_BUILTIN_COMULTPD): Ditto.
11271         (IX86_BUILTIN_COMULEPD): Ditto.
11272         (IX86_BUILTIN_COMUGTPD): Ditto.
11273         (IX86_BUILTIN_COMUGEPD): Ditto.
11274         (IX86_BUILTIN_COMORDPD): Ditto.
11275         (IX86_BUILTIN_COMUNORDPD): Ditto.
11276         (IX86_BUILTIN_COMFALSEPD): Ditto.
11277         (IX86_BUILTIN_COMTRUEPD): Ditto.
11278         (IX86_BUILTIN_PCOMEQUB): Ditto.
11279         (IX86_BUILTIN_PCOMNEUB): Ditto.
11280         (IX86_BUILTIN_PCOMLTUB): Ditto.
11281         (IX86_BUILTIN_PCOMLEUB): Ditto.
11282         (IX86_BUILTIN_PCOMGTUB): Ditto.
11283         (IX86_BUILTIN_PCOMGEUB): Ditto.
11284         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
11285         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
11286         (IX86_BUILTIN_PCOMEQUW): Ditto.
11287         (IX86_BUILTIN_PCOMNEUW): Ditto.
11288         (IX86_BUILTIN_PCOMLTUW): Ditto.
11289         (IX86_BUILTIN_PCOMLEUW): Ditto.
11290         (IX86_BUILTIN_PCOMGTUW): Ditto.
11291         (IX86_BUILTIN_PCOMGEUW): Ditto.
11292         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
11293         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
11294         (IX86_BUILTIN_PCOMEQUD): Ditto.
11295         (IX86_BUILTIN_PCOMNEUD): Ditto.
11296         (IX86_BUILTIN_PCOMLTUD): Ditto.
11297         (IX86_BUILTIN_PCOMLEUD): Ditto.
11298         (IX86_BUILTIN_PCOMGTUD): Ditto.
11299         (IX86_BUILTIN_PCOMGEUD): Ditto.
11300         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
11301         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
11302         (IX86_BUILTIN_PCOMEQUQ): Ditto.
11303         (IX86_BUILTIN_PCOMNEUQ): Ditto.
11304         (IX86_BUILTIN_PCOMLTUQ): Ditto.
11305         (IX86_BUILTIN_PCOMLEUQ): Ditto.
11306         (IX86_BUILTIN_PCOMGTUQ): Ditto.
11307         (IX86_BUILTIN_PCOMGEUQ): Ditto.
11308         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
11309         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
11310         (IX86_BUILTIN_PCOMEQB): Ditto.
11311         (IX86_BUILTIN_PCOMNEB): Ditto.
11312         (IX86_BUILTIN_PCOMLTB): Ditto.
11313         (IX86_BUILTIN_PCOMLEB): Ditto.
11314         (IX86_BUILTIN_PCOMGTB): Ditto.
11315         (IX86_BUILTIN_PCOMGEB): Ditto.
11316         (IX86_BUILTIN_PCOMFALSEB): Ditto.
11317         (IX86_BUILTIN_PCOMTRUEB): Ditto.
11318         (IX86_BUILTIN_PCOMEQW): Ditto.
11319         (IX86_BUILTIN_PCOMNEW): Ditto.
11320         (IX86_BUILTIN_PCOMLTW): Ditto.
11321         (IX86_BUILTIN_PCOMLEW): Ditto.
11322         (IX86_BUILTIN_PCOMGTW): Ditto.
11323         (IX86_BUILTIN_PCOMGEW): Ditto.
11324         (IX86_BUILTIN_PCOMFALSEW): Ditto.
11325         (IX86_BUILTIN_PCOMTRUEW): Ditto.
11326         (IX86_BUILTIN_PCOMEQD): Ditto.
11327         (IX86_BUILTIN_PCOMNED): Ditto.
11328         (IX86_BUILTIN_PCOMLTD): Ditto.
11329         (IX86_BUILTIN_PCOMLED): Ditto.
11330         (IX86_BUILTIN_PCOMGTD): Ditto.
11331         (IX86_BUILTIN_PCOMGED): Ditto.
11332         (IX86_BUILTIN_PCOMFALSED): Ditto.
11333         (IX86_BUILTIN_PCOMTRUED): Ditto.
11334         (IX86_BUILTIN_PCOMEQQ): Ditto.
11335         (IX86_BUILTIN_PCOMNEQ): Ditto.
11336         (IX86_BUILTIN_PCOMLTQ): Ditto.
11337         (IX86_BUILTIN_PCOMLEQ): Ditto.
11338         (IX86_BUILTIN_PCOMGTQ): Ditto.
11339         (IX86_BUILTIN_PCOMGEQ): Ditto.
11340         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
11341         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
11342         (enum multi_arg_type): New enum for describing the various SSE5
11343         intrinsic argument types.
11344         (bdesc_multi_arg): New table for SSE5 intrinsics.
11345         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
11346         (ix86_expand_multi_arg_builtin): New function for creating SSE5
11347         intrinsics.
11348         (ix86_expand_builtin): Add SSE5 intrinsic support.
11349         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
11350         operand instructions.
11351         (ix86_expand_sse5_multiple_memory): New function to split the
11352         second memory reference from SSE5 instructions.
11353         (type_has_variadic_args_p): Delete in favor of stdarg_p.
11354         (ix86_return_pops_args): Use stdarg_p to determine if the function
11355         has variable arguments.
11356         (ix86_setup_incoming_varargs): Ditto.
11357         (x86_this_parameter): Ditto.
11358
11359         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
11360         declaration.
11361         (ix86_expand_sse5_pack): Ditto.
11362         (ix86_sse5_valid_op_p): Ditto.
11363         (ix86_expand_sse5_multiple_memory): Ditto.
11364
11365         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
11366         constant for SSE5 support.
11367         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
11368         (UNSPEC_SSE5_TRUEFALSE): Ditto.
11369         (UNSPEC_SSE5_PERMUTE): Ditto.
11370         (UNSPEC_SSE5_ASHIFT): Ditto.
11371         (UNSPEC_SSE5_LSHIFT): Ditto.
11372         (UNSPEC_FRCZ): Ditto.
11373         (UNSPEC_CVTPH2PS): Ditto.
11374         (UNSPEC_CVTPS2PH): Ditto.
11375         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
11376         (PCOM_TRUE): Ditto.
11377         (COM_FALSE_S): Ditto.
11378         (COM_FALSE_P): Ditto.
11379         (COM_TRUE_S): Ditto.
11380         (COM_TRUE_P): Ditto.
11381         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
11382         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
11383         types.
11384         (memory attribute): Ditto.
11385         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
11386         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
11387         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
11388         (floor<mode>2): Ditto.
11389         (ceil<mode>2): Ditto.
11390         (btrunc<mode>2): Ditto.
11391         (nearbyintdf2): Ditto.
11392         (nearbyintsf2): Ditto.
11393         (sse_setccsf): Disable if SSE5.
11394         (sse_setccdf): Ditto.
11395         (sse5_setcc<mode>): New support for SSE5 conditional move.
11396         (sse5_pcmov_<mode>): Ditto.
11397
11398         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
11399         (SSEMODEF4): Ditto.
11400         (SSEMODEF2P): Ditto.
11401         (ssemodesuffixf4): New mode attribute for SSE5.
11402         (ssemodesuffixf2s): Ditto.
11403         (ssemodesuffixf2c): Ditto.
11404         (sserotatemax): Ditto.
11405         (ssescalarmode): Ditto.
11406         (sse_maskcmpv4sf3): Disable if SSE5.
11407         (sse_maskcmpv2df3): Ditto.
11408         (sse_vmmaskcmpv4sf3): Ditto.
11409         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
11410         (sse5_vmfmadd<mode>4): Ditto.
11411         (sse5_fmsub<mode>4): Ditto.
11412         (sse5_vmfmsub<mode>4): Ditto.
11413         (sse5_fnmadd<mode>4): Ditto.
11414         (sse5_vmfnmadd<mode>4): Ditto.
11415         (sse5_fnmsub<mode>4): Ditto.
11416         (sse5_vmfnmsub<mode>4): Ditto.
11417         (sse5i_fmadd<mode>4): Ditto.
11418         (sse5i_fmsub<mode>4): Ditto.
11419         (sse5i_fnmadd<mode>4): Ditto.
11420         (sse5i_fnmsub<mode>4): Ditto.
11421         (sse5i_vmfmadd<mode>4): Ditto.
11422         (sse5i_vmfmsub<mode>4): Ditto.
11423         (sse5i_vmfnmadd<mode>4): Ditto.
11424         (sse5i_vmfnmsub<mode>4): Ditto.
11425         (mulv16qi3): Add SSE5 support.
11426         (mulv4si3): Ditto.
11427         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
11428         (sse2_mulv4si3): Disable if SSE5.
11429         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
11430         (sse4_1_roundps): Ditto.
11431         (sse4_1_roundsd): Ditto.
11432         (sse4_1_roundss): Ditto.
11433         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
11434         be generated.
11435         (sse_maskcmpsf3): Ditto.
11436         (sse_vmmaskcmpv4sf3): Ditto.
11437         (sse2_maskcmpv2df3): Ditto.
11438         (sse2_maskcmpdf3): Ditto.
11439         (sse2_vmmaskcmpv2df3): Ditto.
11440         (sse2_eq<mode>3): Ditto.
11441         (sse2_gt<mode>3): Ditto.
11442         (sse5_pcmov_<mode>): Add SSE5 support.
11443         (vec_unpacku_hi_v16qi): Ditto.
11444         (vec_unpacks_hi_v16qi): Ditto.
11445         (vec_unpacku_lo_v16qi): Ditto.
11446         (vec_unpacks_lo_v16qi): Ditto.
11447         (vec_unpacku_hi_v8hi): Ditto.
11448         (vec_unpacks_hi_v8hi): Ditto.
11449         (vec_unpacku_lo_v8hi): Ditto.
11450         (vec_unpacks_lo_v8hi): Ditto.
11451         (vec_unpacku_hi_v4si): Ditto.
11452         (vec_unpacks_hi_v4si): Ditto.
11453         (vec_unpacku_lo_v4si): Ditto.
11454         (vec_unpacks_lo_v4si): Ditto.
11455         (sse5_pmacsww): New SSE5 intrinsic insn.
11456         (sse5_pmacssww): Ditto.
11457         (sse5_pmacsdd): Ditto.
11458         (sse5_pmacssdd): Ditto.
11459         (sse5_pmacssdql): Ditto.
11460         (sse5_pmacssdqh): Ditto.
11461         (sse5_pmacsdqh): Ditto.
11462         (sse5_pmacsswd): Ditto.
11463         (sse5_pmacswd): Ditto.
11464         (sse5_pmadcsswd): Ditto.
11465         (sse5_pmadcswd): Ditto.
11466         (sse5_pcmov_<move>): Conditional move support on SSE5.
11467         (sse5_phaddbw): New SSE5 intrinsic insn.
11468         (sse5_phaddbd): Ditto.
11469         (sse5_phaddbq): Ditto.
11470         (sse5_phaddwd): Ditto.
11471         (sse5_phaddwq): Ditto.
11472         (sse5_phadddq): Ditto.
11473         (sse5_phaddubw): Ditto.
11474         (sse5_phaddubd): Ditto.
11475         (sse5_phaddubq): Ditto.
11476         (sse5_phadduwd): Ditto.
11477         (sse5_phadduwq): Ditto.
11478         (sse5_phaddudq): Ditto.
11479         (sse5_phsubbw): Ditto.
11480         (sse5_phsubwd): Ditto.
11481         (sse5_phsubdq): Ditto.
11482         (sse5_pperm): Ditto.
11483         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
11484         (sse5_pperm_zero_v16qi_v8hi): Ditto.
11485         (sse5_pperm_sign_v8hi_v4si): Ditto.
11486         (sse5_pperm_zero_v8hi_v4si): Ditto.
11487         (sse5_pperm_sign_v4si_v2di): Ditto.
11488         (sse5_pperm_sign_v4si_v2di): Ditto.
11489         (sse5_pperm_pack_v2di_v4si): Ditto.
11490         (sse5_pperm_pack_v4si_v8hi): Ditto.
11491         (sse5_pperm_pack_v8hi_v16qi): Ditto.
11492         (sse5_perm<mode>): New SSE5 intrinsic insn.
11493         (rotl<mode>3): Ditto.
11494         (sse5_rotl<mode>3): Ditto.
11495         (sse5_ashl<mode>3): Ditto.
11496         (sse5_lshl<mode>3): Ditto.
11497         (sse5_frcz<mode>2): Ditto.
11498         (sse5s_frcz<mode>2): Ditto.
11499         (sse5_cvtph2ps): Ditto.
11500         (sse5_cvtps2ph): Ditto.
11501         (sse5_vmmaskcmp<mode>3): Ditto.
11502         (sse5_com_tf<mode>3): Ditto.
11503         (sse5_maskcmp<mode>3): Ditto.
11504         (sse5_maskcmp_uns<mode>3): Ditto.
11505         (sse5_maskcmp_uns2<mode>3): Ditto.
11506         (sse5_pcom_tf<mode>3): Ditto.
11507
11508         * config/i386/predicates.md (sse5_comparison_float_operator):
11509         New predicate to match the comparison operators supported by
11510         the SSE5 com instruction.
11511         (ix86_comparison_int_operator): New predicate to match just the
11512         signed int comparisons.
11513         (ix86_comparison_uns_operator): New predicate to match just the
11514         unsigned int comparisons.
11515
11516         * doc/invoke.texi (-msse5): Add documentation.
11517         (-mfused-madd): Ditto.
11518
11519         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
11520
11521         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
11522         mmintrin-common.h.
11523         (x86_64-*-*): Ditto.
11524
11525         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
11526
11527         * config/i386/bmmintrin.h: New file, provide common x86 compiler
11528         intrinisics for SSE5.
11529
11530         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
11531         mmintrin-common.h.
11532
11533         * config/i386/mmintrin-common.h: New file, to contain common
11534         instructions between SSE4.1 and SSE5.
11535
11536         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
11537         FOREACH_FUNCTION_ARGS to iterate over the argument list.
11538         (gen_regparm_prefix): Ditto.
11539
11540         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
11541         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
11542         prototype_p to determine if a function is prototyped.
11543
11544 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
11545
11546         * c-common.c (c_common_reswords) add the alignof keyword,
11547         with same RID as __alignof and __alignof__
11548
11549 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
11550
11551         * hooks.h (hook_bool_const_int_const_int_true): Declare.
11552         * hooks.c (hook_bool_const_int_const_int_true): New function.
11553         * target.h (struct gcc_target): Add can_eliminate field.
11554         * target-def.h (TARGET_CAN_ELIMINATE): Define.
11555         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
11556         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
11557         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
11558         (elim_table): Revise comment.
11559         * system.h (CAN_ELIMINATE): Poison.
11560         * defaults.h (CAN_ELIMINATE): Remove.
11561         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
11562
11563         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
11564         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
11565         Define macro.
11566         (alpha_vms_can_eliminate): Declare as static, change return type to
11567         bool.
11568         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
11569
11570         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
11571         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
11572         (arm_can_eliminate): New function.
11573
11574         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
11575         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
11576         (avr_can_eliminate): Declare as static.
11577         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
11578
11579         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
11580         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
11581         (bfin_can_eliminate): New function.
11582
11583         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
11584         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
11585         (crx_can_eliminate): New function.
11586
11587         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
11588         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
11589         (fr30_can_eliminate): New function.
11590
11591         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
11592         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
11593         (frv_can_eliminate): New function.
11594
11595         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
11596         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
11597         (h8300_can_eliminate): New function.
11598
11599         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
11600         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
11601         (i386_can_eliminate): Declare as static, change return type to bool.
11602         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
11603
11604         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
11605         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
11606         (ia64_can_eliminate): New function.
11607
11608         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
11609         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
11610         (iq2000_can_eliminate): New function.
11611
11612         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
11613         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
11614         (m32r_can_eliminate): New function.
11615
11616         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
11617         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
11618         (m68hc11_can_eliminate): New function.
11619
11620         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
11621         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
11622         (m68k_can_eliminate): New function.
11623
11624         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
11625         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
11626         (mep_can_eliminate): New function.
11627
11628         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
11629         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
11630         (mips_can_eliminate): New function.
11631
11632         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
11633         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
11634         (rs6000_can_eliminate): New function.
11635
11636         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
11637         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
11638         (s390_can_eliminate): Declare as static.
11639         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
11640
11641         * config/score/score.h (CAN_ELIMINATE): Remove macro.
11642         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
11643         (score_can_eliminate): New function.
11644
11645         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
11646         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
11647         (sparc_can_eliminate): Declare as static.
11648         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
11649
11650         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
11651         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
11652         (xstormy16_can_eliminate): New function.
11653
11654         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
11655         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
11656         (v850_can_eliminate): New function.
11657
11658 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
11659
11660         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
11661         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
11662         (*movdfcc_ext[1234]): Disable for IEEE mode.
11663
11664 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
11665
11666         * gimplify.c (prepare_gimple_addressable): New static function.
11667         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
11668         it addressable.
11669         (gimplify_addr_expr): Invoke it similarly on the operand instead of
11670         manually fiddling with it.
11671
11672 2009-08-25  Michael Matz  <matz@suse.de>
11673
11674         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
11675         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
11676         full expression.
11677         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
11678         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
11679         (do_jump): Split out code for simple binary comparisons into ...
11680         (do_jump_1): ... this, taking the individual operands and code.
11681         Change callers to helper function above accordingly.
11682         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
11683         comparisons.
11684
11685 2009-08-25  Michael Matz  <matz@suse.de>
11686
11687         * expr.h (struct separate_ops, sepops): New type for passing
11688         around an exploded simple expression.
11689         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
11690         Use this structure instead of expression tree.
11691         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
11692         expression, only its type.
11693         (expand_vec_cond_expr): Take type and individual operands instead
11694         of full expression.
11695         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
11696         expand_vec_shift_expr): Change prototype accordingly.
11697         * tree-vect-stmts.c (vectorizable_condition): Change call of
11698         expand_vec_cond_expr_p to pass only type.
11699         * expr.c (do_store_flags): Change prototype and implementation
11700         to take an exploded expression.
11701         (expand_expr_real_1): New local ops initialized with details
11702         of the full expression.  Use it instead of full
11703         expression in calls to do_store_flags, expand_vec_cond_expr,
11704         expand_widen_pattern_expr and expand_vec_shift_expr.
11705
11706 2009-08-25  Michael Matz  <matz@suse.de>
11707
11708         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
11709         treeop2 initialized with first three operands of the full expression.
11710         Substitute all TREE_OPERAND (exp, [012]) calls with them.
11711
11712 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
11713
11714         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
11715         (__gthread_objc_condition_allocate): Mark arguments as unused.
11716         (__gthread_objc_condition_deallocate): Likewise.
11717         (__gthread_objc_condition_wait): Likewise.
11718         (__gthread_objc_condition_broadcast): Likewise.
11719         (__gthread_objc_condition_signal): Likewise.
11720         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
11721         (__gthread_objc_thread_id): Likewise.
11722
11723 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
11724
11725         PR middle-end/41149
11726         * tree-pretty-print.c (print_call_name): Print the correct call name
11727         for procedure pointer components.
11728
11729 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
11730
11731         * config/ia64/ia64.c (ia64_promote_function_mode): Call
11732         default_promote_function_mode when not VMS.
11733
11734 2009-08-24  Olivier Hainque  <hainque@adacore.com>
11735
11736         * convert.c (convert_to_integer): Don't assume an input pointer is
11737         POINTER_SIZE wide.  Fetch from the type instead.
11738
11739 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11740
11741         * configure.ac (AC_PREREQ): Bump to 2.64.
11742
11743 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
11744
11745         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
11746         (process_command): Don't search standard_exec_prefix_1 and
11747         standard_exec_prefix_2.
11748
11749 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11750
11751         * config/arm/arm.c (output_return_instruction): Handle for
11752         unified syntax.
11753
11754 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11755
11756         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
11757
11758 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11759
11760         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
11761         (*arm_movdf_vfp): Likewise.
11762
11763 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11764
11765         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
11766         (vashr<mode>3): Rename from ashr<mode>3.
11767         (vlshr<mode>3): Rename from lshr<mode>3.
11768
11769 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
11770
11771         PR/40786
11772         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
11773         (check_format_info_main): Use scalar_identify_flag.
11774         (check_format_types): Check for scalar size identity if
11775         scalar_identify_flag is set.
11776         (printf_length_specs): Extend by new field.
11777         (asm_fprintf_length_specs): Likewise.
11778         (gcc_diag_length_specs): Likewise.
11779         (scanf_length_specs): Likewise.
11780         (strfmon_length_specs): Likewise.
11781         (gcc_gfc_length_specs): Likewise.
11782         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
11783         (ms_printf_flag_specs): Likewise.
11784         * c-format.h (format_length_info): Add new member scalar_identity_flag.
11785
11786 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
11787
11788         PR target/40718
11789         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
11790         (*call_value_pop_1): Ditto.
11791         (*sibcall_pop_1): New insn pattern.
11792         (*sibcall_value_pop_1): Ditto.
11793
11794 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
11795
11796         PR target/41081
11797         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
11798         ashrsi3_64): New.
11799
11800 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
11801
11802         PR target/41081
11803         * fwprop.c (try_fwprop_subst): Allow multiple sets.
11804         (get_reg_use_in): New function.
11805         (forward_propagate_subreg): Propagate through subreg of zero_extend
11806         or sign_extend.
11807
11808 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
11809
11810         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
11811         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
11812
11813 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11814
11815         * configure.ac: Remove --with-datarootdir, --with-docdir,
11816         --with-htmldir switches.  No need to call AC_SUBST for
11817         datarootdir, docdir, htmldir any more.
11818         * configure: Regenerate.
11819         * doc/install.texi (Configuration): Document --datarootdir,
11820         --docdir, --htmldir, --pdfdir; update documentation for
11821         --infodir, --mandir.
11822         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
11823         M4 to 1.4.6.
11824
11825         * aclocal.m4: Regenerate.
11826         * config.in: Regenerate.
11827         * configure: Regenerate.
11828
11829 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
11830             Olivier Hainque  <hainque@adacore.com>
11831
11832         * config/ia64/ia64.c: Include libfuncs.h.
11833         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
11834         (ia64_expand_call): Use reg 25 on VMS.
11835         (ia64_initialize_trampoline): Fix for VMS ABI.
11836         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
11837         (ia64_function_arg): Initialize reg 25 on VMS.
11838         Fix OpenVMS ABI issues for varargs.
11839         For OpenVMS, emit the Argument Information register set in the
11840         incoming/sibcall case as well.
11841         (ia64_arg_type): New function.
11842         (ia64_function_arg_advance): Keep track of cum->words.
11843         Fix OpenVMS ABI issues for varargs.
11844         (ia64_function_value): On VMS, promote mode of non-aggregate types.
11845         (ia64_override_options): Set flag_no_common on VMS.
11846         (ia64_init_builtins): Disable FWRITE builtin.
11847         (ia64_asm_output_external): Call DO_CRTL_NAMES.
11848         (ia64_vms_init_libfuncs): Add decc$ routines.
11849         (ia64_vms_valid_pointer_mode): New function.
11850         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
11851         (ia64_promote_function_mode): New function
11852         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
11853         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
11854         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11855         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
11856         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
11857         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
11858         Suppress trailing '#' if VALUE is numeric.
11859         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
11860         ia64_promote_function_mode.
11861         (TARGET_VALID_POINTER_MODE): Define.
11862
11863 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
11864
11865         PR target/40671
11866         * config/rs6000/rs6000.c (rs6000_override_options): Use
11867         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
11868
11869         PR target/41145
11870         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
11871         reporting of vector + decimal/boolean/complex error.
11872
11873 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
11874
11875         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
11876         __vector double TYPE_DECL.
11877
11878 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
11879
11880         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
11881         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
11882         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
11883         to pointer to enum machine_mode.  Update all callers as needed.
11884
11885 2009-08-21  Uros Bizjak  <ubizjak@gmail.com>
11886
11887         * config/alpha/alpha.md (exception_receiver): Emit alternative
11888         GP load sequence if flag_reorder_blocks_and_partition is set.
11889         (*exception_receiver_2): Also enable when
11890         flag_reorder_blocks_and_partition is set.
11891
11892 2009-08-20  Matt Rice  <ratmice@gmail.com>
11893             Diego Novillo  <dnovillo@google.com>
11894
11895         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
11896         tree-ssa-sccvn.h.
11897
11898 2009-08-20  Richard Guenther  <rguenther@suse.de>
11899
11900         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
11901         * c-tree.h (c_dup_lang_specific_decl): Remove.
11902         (struct lang_decl, struct lang_type): Move definitions ...
11903         * c-lang.h: ... here.  New file.
11904         * c-decl.c: Include c-lang.h.
11905         (c_dup_lang_specific_decl): Remove.
11906         * c-typeck.c: Include c-lang.h.
11907         * Makefile.in (c-decl.o): Add c-lang.h dependency.
11908         (c-typeck.o): Likewise.
11909         * c-config-lang.in (gtfiles): Add c-lang.h.
11910         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
11911         like c-tree.h.
11912
11913 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
11914
11915         * config/alpha/alpha.c (alpha_end_function): Do not clear
11916         crtl->emit structure and free insn locators if cfun->is_thunk is true,
11917         this is now handled in generic code.
11918
11919 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
11920
11921         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
11922         (s390_z10_fix_long_loop_prediction): New function.
11923         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
11924         (s390_reorg): Walk over the INSNs and invoke
11925         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
11926
11927 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
11928
11929         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
11930         "*brx_64bit", "*brx_31bit"): New patterns.
11931         * config/s390/s390.c ('E'): New output modifier.
11932
11933 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11934             Richard Earnshaw  <richard.earnshaw@arm.com>
11935
11936         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
11937         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
11938
11939 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11940
11941         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
11942         patterns.
11943         * pa.c (emit_move_sequence): Check if address of operand1 is valid
11944         for mode mode of operand0 when doing secondary reload for SAR.
11945
11946 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
11947
11948         PR middle-end/41123
11949         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
11950         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
11951
11952 2009-08-19  Jason Merrill  <jason@redhat.com>
11953
11954         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
11955         supported template depth in C++0x.
11956
11957 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
11958
11959         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
11960         free_after_compilation.
11961         * config/score/score7.c (score7_output_mi_thunk): Likewise.
11962         * config/score/score3.c (score3_output_mi_thunk): Likewise.
11963         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
11964         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
11965         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11966         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
11967         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
11968
11969 2009-08-19  Ian Lance Taylor  <iant@google.com>
11970
11971         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
11972         of (plus (mult (neg B) C) A).
11973
11974 2009-08-18  Michael Matz  <matz@suse.de>
11975
11976         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
11977         instead of comparing TYPE_MAIN_VARIANT for equality.
11978         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
11979         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
11980         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
11981         * gimplify.c (goa_lhs_expr_p): Ditto and use
11982         STRIP_USELESS_TYPE_CONVERSION.
11983
11984 2009-08-18  Michael Matz  <matz@suse.de>
11985
11986         * tree-ssa-structalias.c (create_variable_info_for): Also mark
11987         first field in a struct.
11988         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
11989
11990 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
11991
11992         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
11993         locators before emit_insn is called.  Remove assert that
11994         cfun->is_thunk.
11995         (alpha_end_function): Clear crtl->emit structure and free insn
11996         locators if cfun->is_thunk is true.
11997
11998 2009-08-18  Jason Merrill  <jason@redhat.com>
11999
12000         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
12001         type if available.
12002         * configure.ac: Test for it.
12003         * configure, config.in: Regenerate.
12004         * doc/install.texi: Document --enable-gnu-unique-object.
12005
12006 2009-08-18  Richard Guenther  <rguenther@suse.de>
12007
12008         PR middle-end/41094
12009         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
12010         pow(x,y*z) only if x is nonnegative.
12011
12012 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
12013
12014         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
12015         on jumps.
12016
12017         PR target/40971
12018         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
12019         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
12020
12021 2009-08-17  DJ Delorie  <dj@redhat.com>
12022
12023         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
12024         * config/m32c/prologue.md (epilogue_freit): New.
12025         (fset_b): New.
12026         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
12027         (bank_switch_p): Likewise.
12028         (fast_interrupt_p): Likewise.
12029         (interrupt_p): Likewise.
12030         (m32c_conditional_register_usage): Round memregs size up.
12031         (need_to_save): We only need to save $a0 when we use ENTER.
12032         (interrupt_p): Check for fast_interrupt too.
12033         (bank_switch_p): New.
12034         (fast_interrupt_p): New.
12035         (m32c_attribute_table): Add bank_switch and fast_interrupt.
12036         (m32c_emit_prolog): Support bank switching and fast interrupts.
12037         * doc/extend.texi (Function Attributes): Add bank_switch and
12038         fast_interrupt.
12039
12040 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
12041
12042         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
12043         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
12044
12045 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
12046
12047         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
12048         (menu): Add IA-64/VMS Options.
12049         (IA-64/VMS Options): Likewise.
12050
12051 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
12052
12053         PR target/38599
12054         * config/mips/mips.md (*lwxs): Use :P for pointer values.
12055
12056 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
12057
12058         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
12059         (mips_pop_asm_switch): Likewise.
12060         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
12061         with...
12062         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
12063         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
12064         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
12065         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
12066         instead of set_noreorder.
12067         (mips_output_function_prologue): Use the new functions.
12068         (mips_output_function_epilogue): Likewise.
12069         (mips_need_noat_wrapper_p): New function, split out from...
12070         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
12071         Use mips_push_asm_switch and mips_pop_asm_switch.
12072         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
12073         and mips_pop_asm_switch.
12074         (ASM_OUTPUT_REG_POP): Likewise.
12075         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
12076         Use mips_pop_asm_switch.
12077         (mips_asm_switch): New structure.
12078         (set_noreorder, set_nomacro): Replace with...
12079         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
12080         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
12081         instead of set_nomacro.
12082         (fix_truncsfsi2_macro): Likewise.
12083         (cprestore): Likewise.
12084         (hazard): Use mips_noreorder instead of set_noreorder.
12085         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
12086
12087 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
12088
12089         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
12090         from prev_active_insn.
12091
12092 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
12093
12094         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
12095         * config/avr/avr.c (avr_override_options): Initialize
12096         avr_current_arch variable.
12097         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
12098         __AVR_HAVE_16BIT_SP__ according to the device type.
12099         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
12100         TARGET_TINY_STACK.
12101         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
12102         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
12103
12104 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
12105
12106         PR debug/37801
12107         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
12108         generating inlined subroutine die only. We shouldn't be
12109         called for anything else.
12110         (gen_block_die): Don't generate inline subroutine debug info for
12111         abstract blocks.
12112
12113 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
12114
12115         * graphite-poly.c (print_pbb): Print PBB index.
12116
12117 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
12118
12119         PR middle-end/40981
12120         * graphite-interchange.c (ppl_max_for_le): Moved...
12121         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
12122         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
12123         ppl_Pointset_Powerset_C_Polyhedron_maximize.
12124         * graphite-ppl.h (ppl_max_for_le): Declared.
12125
12126 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
12127
12128         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
12129         supported on all platforms.
12130         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
12131         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
12132         * c-pragma.c: Likewise.
12133         * target-def.h (TARGET_INITIALIZER): Remove
12134         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
12135         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
12136
12137 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
12138
12139         * config/ia64/fde-vms.c: New file.
12140         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
12141         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
12142         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
12143         (uw_frame_state_for): Only register a personality routine if it is
12144         known to be compatible with our expectations.
12145         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
12146         Declare unw_table_entry stack variable and
12147         mod all calls to _Unwind_FindTableEntry to add arg.
12148         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
12149         (_Unwind_FindTableEntry): Add arg to prototype.
12150
12151 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
12152
12153         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
12154         field 'signal_pfs_loc'.
12155         (uw_frame_state_for): Remove duplicate code dealing with leaf
12156         procedures without unwind info.
12157         If in the frame after unwinding through a signal handler, restore
12158         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
12159         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
12160         'pfs_loc' to the AR.PFS location in the signal context; instead
12161         set 'signal_pfs_loc'.
12162         Manually generate the unwind info for the AR.PFS register.
12163         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
12164         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
12165         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
12166         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
12167         instead set 'signal_pfs_loc'.
12168         Remove code preventing the AR.PFS register from being restored
12169         from the signal context.
12170
12171 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
12172             Tristan Gingold  <gingold@adacore.com>
12173
12174         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
12175         * config/ia64/t-vms: New file.
12176         * config/ia64/vms64.h: New file.
12177         * config/ia64/vms.h: New file.
12178         * config/ia64/vms-crtinit.asm: New file.
12179         * config/ia64/vms_symvec_libgcc_s.opt: New file.
12180         * config/ia64/vms-unwind.h: New file.
12181
12182 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
12183
12184         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
12185         TFmode compares.
12186
12187 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12188
12189         PR middle-end/30789
12190         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
12191         Move declaration...
12192         * real.h (do_mpc_arg2): ... here.
12193         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
12194         and RDIV_EXPR.
12195
12196 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
12197
12198         * final.c (add_debug_prefix_map): Don't use GC memory for
12199         old_prefix and new_prefix.
12200
12201 2009-08-14  Richard Guenther  <rguenther@suse.de>
12202
12203         * ipa-prop.c (compute_complex_pass_through): If we cannot
12204         compute a non-varying offset for IPA_JF_ANCESTOR punt.
12205
12206 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12207
12208         * c-lex.c (c_lex_with_flags): Increase size of local variable
12209         to avoid memory clobber.
12210
12211 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
12212
12213         PR target/40934
12214         * config/i386/i386.c (ix86_fp_comparison_strategy):
12215         Only enable/disable sahf at function granularity.
12216
12217 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
12218
12219         PR rtl-optimization/41064
12220         * reload1.c (reload_as_needed): Don't call extract_insn
12221         for known invalid replacements after calling
12222         validate_replace_rtx_group and verify_changes.
12223
12224 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
12225
12226         PR target/41019
12227         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
12228         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
12229         ix86_expand_fp_vcond.
12230         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
12231         Assert that operation is supported by ix86_expand_int_vcond.
12232         (vcondu<SSEMODE124C8:mode>): Ditto.
12233
12234 2009-08-13  DJ Delorie  <dj@redhat.com>
12235
12236         * config/i386/djgpp-stdint.h: New.
12237         * config.gcc (djgpp): Use it.
12238
12239 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
12240
12241         * config/sh/sh.c (sh_override_options): When flag_exceptions or
12242         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
12243
12244 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
12245
12246         * tree-ssa-loop-prefetch.c
12247         (prune_ref_by_group_reuse): Enhance probabilistic analysis
12248         for long-stride pruning.
12249         (compute_miss_rate): New function to compute the probability
12250         that two memory references access different cache lines.
12251
12252 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
12253
12254         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
12255
12256 2009-08-13  Richard Guenther  <rguenther@suse.de>
12257
12258         PR middle-end/41047
12259         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
12260         use the constant pointer type.
12261         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
12262         of CV qualifiers on the target pointer type.
12263         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
12264         conversion check before restrict check.
12265
12266 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
12267
12268         PR target/41029
12269         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
12270
12271 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
12272
12273         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
12274
12275 2009-08-12  Richard Guenther  <rguenther@suse.de>
12276
12277         PR tree-optimization/41011
12278         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
12279         and reference constructing.
12280
12281 2009-08-12  Xinliang David Li  <davidxl@google.com>
12282
12283         PR tree-optimization/41012
12284         * tree-flow.h : New external interface.
12285         * gimple-low.c (check_call_arg): Change to public function.
12286         Remove argument mismatch check in lowering.
12287         * tree-inline.h (tree_can_inline_p): Interface change.
12288         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
12289         into this function.
12290         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
12291         Call change to tree_can_inline_p function.
12292         (cgraph_decide_inlining_incrementally): Ditto.
12293
12294 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
12295
12296         PR tree-optimization/41031
12297         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
12298         on the partition variable rather than promote_mode on the source
12299         type.  Assert that the partition variable's type has the same
12300         mode as the source value's.
12301
12302 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
12303
12304         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
12305         for for_return == 2.
12306         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
12307         comments.
12308         * calls.c (expand_call): Fix typo.
12309         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
12310         and PARM_DECL.
12311         * stmt.c (expand_value_return): Use promote_function_mode to copy out
12312         of pseudo.
12313         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
12314         * config/cris/cris.c (cris_promote_function_mode): Likewise.
12315         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
12316         * config/pa/pa.c (pa_promote_function_mode): Likewise.
12317
12318 2009-08-12  Andrew Haley  <aph@redhat.com>
12319
12320         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
12321
12322 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12323
12324         PR bootstrap/40103
12325         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
12326
12327 2009-08-12  Richard Guenther  <rguenther@suse.de>
12328
12329         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
12330         * gimplify.c (gimplify_modify_expr): Do not use
12331         lang_hooks.types_compatible_p.
12332         * tree-ssa.c (useless_type_conversion_p): For aggregates
12333         just return false if the canonical types differ.
12334
12335 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12336
12337         PR middle-end/40980
12338         * sese.c (convert_for_phi_arg): New.
12339         (add_guard_exit_phis): Use convert_for_phi_arg.
12340
12341 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12342
12343         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
12344         unknown subscript upper bounds.
12345
12346 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12347             Pranav Garg  <pranav.garg2107@gmail.com>
12348
12349         * graphite-interchange.c (gather_access_strides): Removed.
12350         (ppl_max_for_le): New.
12351         (build_linearized_memory_access): New.
12352         (memory_stride_in_loop): New.
12353         (pbb_interchange_profitable_p): Reimplemented.
12354         * graphite-ppl.h (ppl_new_id_map): New.
12355         (ppl_interchange): New.
12356
12357 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12358
12359         * graphite-interchange.c (compute_subscript): Removed.
12360         (compute_array_size_cstr): Removed.
12361         (compute_array_size_poly): Removed.
12362         (compute_array_size): Removed.
12363         (gather_access_strides_poly): Removed.
12364         (gather_access_strides): Empty.
12365
12366 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12367
12368         * graphite-dependences.c (dependence_polyhedron_1): Replace
12369         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
12370         (graphite_legal_transform_dr): Same.
12371         (graphite_carried_dependence_level_k): Same.
12372         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
12373         Initialize PDR_NB_SUBSCRIPTS.
12374         (print_pdr_access_layout): Replace pdr_nb_subscripts with
12375         PDR_NB_SUBSCRIPTS.
12376         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
12377         (PDR_NB_SUBSCRIPTS): New.
12378         (pdr_nb_subscripts): Removed.
12379         (pdr_dim): Simplified.
12380         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
12381         with PDR_NB_SUBSCRIPTS.
12382
12383 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12384
12385         * graphite-interchange.c (compute_array_size): Remove use of
12386         PDR_DATA_CONTAINER.
12387         * graphite-poly.c (new_poly_dr): Remove argument data_container.
12388         Do not initialize PDR_DATA_CONTAINER.
12389         (print_pdr): Do not print PDR_DATA_CONTAINER.
12390         * graphite-poly.h (struct poly_dr): Remove data_container field.
12391         (PDR_DATA_CONTAINER): Removed.
12392         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
12393         PDR_DATA_CONTAINER.
12394         (build_poly_dr): Same.
12395
12396 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
12397             Sebastian Pop  <sebastian.pop@amd.com>
12398
12399         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
12400         copy of the dependence polyhedron.  Free the temporary objects.
12401         (graphite_carried_dependence_level_k): Free unused objects before
12402         returning.
12403
12404 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12405
12406         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
12407         Early return without analyzing the data dependences if no
12408         transform has been done.  Call restore_scattering if the transform
12409         is not legal.
12410         (graphite-interchange.c): Same.
12411         * graphite-poly.c (print_scattering_function): Test for
12412         PBB_TRANSFORMED.
12413         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
12414         (apply_poly_transforms): Do not gcc_assert that
12415         the transform is legal.
12416         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
12417         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
12418         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
12419         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
12420         * graphite-poly.h (struct poly_scattering): New.
12421         (struct poly_bb): Add original, transformed, and saved fields.
12422         Remove transformed_scattering, original_scattering,
12423         nb_local_variables and nb_scattering_transform fields.
12424         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
12425         (poly_scattering_new): New.
12426         (poly_scattering_free): New.
12427         (poly_scattering_copy): New.
12428         (store_scattering_pbb): New.
12429         (store_scattering): New.
12430         (restore_scattering_pbb): New.
12431         (restore_scattering): New.
12432         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
12433         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
12434
12435 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12436
12437         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
12438         (print_scop): Same.
12439
12440 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12441
12442         * Makefile.in (graphite.o): Depends on PREDICT_H.
12443         * graphite.c: Include predict.h.
12444         (graphite_finalize): Call tree_estimate_probability.
12445         * predict.c (predict_loops): Do not call scev_initialize and
12446         scev_finalize.
12447         (tree_estimate_probability_bb): New.
12448         (tree_estimate_probability): Do not initialize loops: move that
12449         code to the driver.  Call tree_estimate_probability_bb.
12450         (tree_estimate_probability_driver): New.
12451         (pass_profile): Use tree_estimate_probability_driver.
12452         * predict.h (tree_estimate_probability): Declared.
12453
12454 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12455
12456         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
12457         * graphite-dependences.c (graphite_legal_transform): Add time to
12458         TV_GRAPHITE_DATA_DEPS.
12459         (dependency_between_pbbs_p): Same.
12460         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
12461
12462 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
12463
12464         PR rtl-optimization/41033
12465         * alias.c (nonoverlapping_component_refs_p): Punt when strict
12466         aliasing is disabled.
12467
12468 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
12469
12470         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
12471         si_mask_operand, and_load_operand, low_bitmask_operand,
12472         and_reg_operand, and_operand): New predicates.
12473         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
12474         * config/mips/mips.c (and_operands_ok): New function.
12475         * config/mips/mips-protos.h (and_operands_ok): Declare it.
12476         * config/mips/mips.md (move_type): Add ext_ins and logical.
12477         (type): Handle them.
12478         (and<mode>3): Use and_reg_operand as the second operand's predicate.
12479         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
12480         shift_shift.  Remove commutative constraint modifier.
12481         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
12482         shift_shift.
12483         (*clear_upper32_dext): Remove define_insn_and_split.
12484         (*clear_upper32): Turn this define_insn_and_split ...
12485         (splitter for ANDing register with 0xffff_ffff): .. into this.
12486
12487 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
12488
12489         * combine.c (try_widen_shift_mode): Factor out code to check if an
12490         integer constant is a low-order bitmask from here ...
12491         * rtlanal.c (low_bitmask_len): ... to here.
12492         * rtl.h (low_bitmask_len): Declare.
12493
12494 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
12495
12496         PR target/8603
12497         * config/alpha/alpha.md (addsi3): Remove expander.
12498         (addsi3): Rename from *addsi3_internal insn pattern.
12499         (subsi3): Remove expander.
12500         (subsi3): Rename from *subsi3_internal insn pattern.
12501
12502 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
12503
12504         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
12505         FWRITE_UNLOCKED.
12506
12507 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
12508             Eric Botcazou  <botcazou@adacore.com>
12509             Douglas B Rupp  <rupp@gnat.com>
12510
12511         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
12512         that records that fit in 64 bits are returned by immediate value,
12513         as required by OpenVMS Calling Standard.
12514         (function_value): Adjust for above modification.
12515         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
12516         virtual_incoming_args_rtx as base object, not next_arg.
12517         * config/alpha/vms.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
12518
12519 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12520
12521         * reload.c (find_reloads_subreg_address): Check the original
12522         req_equiv_mem address to detect the case where an address is
12523         not valid in the outer mode.
12524
12525 2009-08-11  Richard Guenther  <rguenther@suse.de>
12526
12527         PR bootstrap/40788
12528         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
12529
12530 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
12531
12532         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
12533         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
12534
12535 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
12536             Douglas B Rupp  <rupp@gnat.com>
12537
12538         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
12539         PT_STACK when frame_pointer_needed on OpenVMS.
12540         (alpha_pv_save_size, alpha_using_fp): Remove.
12541         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
12542         with proper processing for PT_NULL.
12543         (alpha_vms_initial_elimination_offset): New function. Support for
12544         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
12545         (alpha_sa_size): Force procedure type to PT_STACK when
12546         frame_pointer_needed on OpenVMS.
12547         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
12548         (alpha_using_fp): Likewise.
12549         (alpha_vms_can_eliminate): Add prototype.
12550         (alpha_vms_initial_elimination_offset): Likewise.
12551         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
12552         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
12553
12554 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
12555             Douglas B Rupp  <rupp@gnat.com>
12556
12557         * config/alpha/alpha.c (common_object_handler): New function.
12558         (vms_attribute_table): Declare a single attribute "common_object".
12559         (vms_output_aligned_decl_common): New global function.
12560         (SECTION_VMS_OVERLAY): Delete.
12561         (SECTION_VMS_GLOBAL): Likewise.
12562         (SECTION_VMS_INITIALIZE): Likewise.
12563         (vms_asm_named_section): Remove support for above flags.
12564         (vms_section_type_flags): Delete.
12565         (TARGET_SECTION_TYPE_FLAGS): Likewise.
12566         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
12567         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
12568         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
12569
12570 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
12571
12572         PR target/41015
12573         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
12574         (sub_ddmmss): Likewise.
12575
12576 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
12577
12578         PR bootstrap/41018
12579         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
12580         year.
12581
12582 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12583
12584         PR target/37053
12585         * reload1.c (reload_as_needed): Use cancel_changes to completely
12586         undo a failed replacement attempt.
12587
12588 2009-08-10  Richard Guenther  <rguenther@suse.de>
12589
12590         PR middle-end/41006
12591         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
12592         (useless_type_conversion_p): ... here.  Require pointer targets
12593         to be compatible.
12594
12595 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
12596
12597         PR c++/40866
12598         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
12599         loose the original type of the statement list.
12600
12601 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12602
12603         * config/alpha/alpha.c: Include libfuncs.h
12604         (avms_asm_output_extern): New function.
12605         (alpha_init_libfuncs): Init some decc libfuncs.
12606         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
12607         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
12608         (DO_CRTL_NAMES): Define.
12609         (LIB_SPEC): Remove.
12610         * config/alpha/vms64.h (POINTERS_EXTEND_UNSIGNED): Remove undef.
12611         (LONG_TYPE_SIZE): Define.
12612         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
12613         (SUBTARGET_SWITCHES): Define malloc64 switch.
12614         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
12615         (MASK_RETURN_ADDR): Define.
12616         doc/invoke.texi (mmalloc64): Document switch.
12617
12618 2009-08-09  Olivier Hainque  <hainque@adacore.com>
12619             Douglas B Rupp  <rupp@gnat.com>
12620
12621         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
12622         uses_condition_handler.
12623         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
12624         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
12625         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
12626         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
12627         (code_for_builtin): New insn codes for the new alpha_builtins.
12628         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
12629         (alpha_sa_size): Account for uses_condition_handler.
12630         (alpha_expand_prologue): Likewise.
12631         (alpha_start_function): Likewise.
12632         (alpha_expand_epilogue): Likewise.
12633         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
12634         establish/revert expanders.
12635         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
12636         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
12637         New expander, resorting to the alpha.c associated function.
12638         (builtin_revert_vms_condition_handler): Likewise.
12639         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
12640         __gcc_shell_handler, the static VMS condition handler used as
12641         an indirection wrapper to the current dynamically established
12642         handler.
12643         * config/alpha/vms-unwind.h: Complete rewrite.
12644         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
12645         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
12646
12647 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
12648             Douglas B Rupp  <rupp@gnat.com>
12649
12650         * config/alpha/alpha.c (alpha_links): Add 'target' field.
12651         (alpha_need_linkage): Handle aliases.  Return function symbol.
12652         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
12653         Use ultimate alias target for the linkage name.
12654         * config/alpha/alpha.md (movmemdi): Use the symbol returned
12655         by alpha_need_linkage for the function symbol.
12656         (setmemdi): Likewise.
12657
12658 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12659
12660         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
12661         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
12662         (ASM_WEAKEN_LABEL): Define.
12663         (CRT_CALL_STATIC_FUNCTION): Define.
12664         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
12665         (ENDFILE_SPEC): Define.
12666         (INIT_SECTION_ASM_OP): Define.
12667         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
12668         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
12669         crtend.o crtendS.o.
12670         (MULTILIB_OSDIRNAMES): Define.
12671         (shlib_version): Define.
12672         (SHLIB_EXT): Define.
12673         (SHLIB_OBJS): Define.
12674         (SHLIB_NAME): Define.
12675         (SHLIB_MULTILIB): Define.
12676         (SHLIB_INSTALL): Define.
12677         (SHLIB_SYMVEC): Define.
12678         (SHLIB_SYMVECX2): Define.
12679         (SHLIB_LINK): Define.
12680
12681 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12682
12683         * config/alpha/alpha.c (alpha_initialize_trampoline):
12684         Initialize VMS trampoline IAW ABI for bounded procedure calls.
12685         (alpha_start_function): Emit transfer address on nested functions
12686         for VMS trampoline call.
12687         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
12688         since no longer used.
12689         * config/alpha/vms-tramp.asm: Remove.
12690         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
12691         since now only data initialized at runtime.
12692
12693 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12694
12695         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
12696         (LINK_GCC_C_SEQUENCE_SPEC): Define.
12697         (MD_EXEC_PREFIX): Remove, no longer used.
12698         (MD_STARTFILE_PREFIX): Likewise.
12699         (INCLUDE_DEFAULTS): Likewise.
12700         * config/alpha/t-vms:
12701         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
12702
12703 2009-08-09  Richard Guenther  <rguenther@suse.de>
12704
12705         PR tree-optimization/41016
12706         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
12707         (operand_precision): Remove.
12708         (integral_operand_p): Likewise.
12709         (recognize_single_bit_test): Adjust.
12710
12711 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
12712
12713         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
12714         operation overflows.  Likewise non-cast unary arithmetic.
12715         If one arm of a conditional expression is always taken,
12716         inhibit evaluation warnings for the other arm.  Likewise inhibit
12717         evaluation warnings for the second && or || operand if the first
12718         operand is enough to determine the result.
12719         * c-typeck.c (build_conditional_expr): Apply the same inhibition
12720         rules here.
12721         (build_binary_op): Prevent duplicate evaluation warnings.
12722
12723 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
12724
12725         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
12726         and destination have different modes, Use promote_mode to
12727         determine the signedness of the conversion.  Assert that the
12728         promoted source mode matches the destination mode.  Don't pass
12729         the destination and destination mode to expand_expr if the source
12730         mode is different.  Simplify conversion logic.
12731
12732 2009-08-09  Ira Rosen  <irar@il.ibm.com>
12733
12734         PR tree-optimization/41008
12735         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
12736         from condition only in case it's a comparison. Adjust checks.
12737
12738 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
12739
12740         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
12741         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
12742         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
12743         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
12744         (dump_cand): Handle them.
12745         (struct iv_cand): New members COST_STEP and AINC_USE.
12746         (stmt_after_increment): Likewise.
12747         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
12748         callers changed.  Use gimple_uid comparison instead of scanning.
12749         (add_candidate_1): When looking for identical candidates, take
12750         AINC_USE into account.  Set it for new candidates.
12751         (force_expr_to_var_cost): Cast target_spill_cost to int.
12752         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
12753         All callers changed.  Check for availability of autoinc addressing
12754         modes, both in general for a given mode, and in the specific use case.
12755         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
12756         changed.
12757         (get_computation_cost): Likewise.
12758         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
12759         add_autoinc_candidates): New static functions.
12760         (add_candidate): Call add_autoinc_candidates for candidates based on
12761         a USE_ADDRESS use.
12762         (find_iv_candidates): Call set_autoinc_for_original_candidates.
12763         (determine_use_iv_cost_address): If we have an autoinc candidate at
12764         the matching use, verify autoinc is possible and subtract the cost
12765         of the candidate's step from the cost.
12766         (determine_iv_cost): Record the cost of the increment in the COST_STEP
12767         member of the candidate.
12768         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
12769         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
12770
12771 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12772
12773         * config.build (ia64-hp-*vms*): New target.
12774         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
12775         with ia64-hp-*vms*.
12776         * config.gcc (ia64-hp-*vms*): New target.
12777         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
12778         with ia64-hp-*vms*.
12779         * config.host (ia64-hp-*vms*): New target.
12780         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
12781         with ia64-hp-*vms*.
12782
12783 2009-08-08  Richard Guenther  <rguenther@suse.de>
12784
12785         PR tree-optimization/40991
12786         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
12787
12788 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
12789
12790         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
12791         mode check.  Do truncations in an integer mode.
12792         (force_to_mode): Handle subregs for all mode types.  Only do
12793         arithmetic simplifications on integer modes.
12794
12795 2009-08-07  Richard Guenther  <rguenther@suse.de>
12796
12797         PR tree-optimization/40999
12798         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
12799         (maybe_fold_reference): Lookup constant initializers.
12800         (fold_gimple_assign): Likewise.
12801
12802 2009-08-07  Richard Guenther  <rguenther@suse.de>
12803
12804         * tree-ssa.c (useless_type_conversion_p_1): Only for types
12805         that require structural equality defer to the langhook.
12806
12807 2009-08-07  Martin Jambor  <mjambor@suse.cz>
12808
12809         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
12810         comments.
12811         (struct ipa_pass_through_data): New type.
12812         (struct ipa_ancestor_jf_data): New type.
12813         (union jump_func_value): Removed field formal_id, added fields
12814         pass_through and ancestor.
12815         (struct ipa_param_call_note): Changed type of formal_id to int from
12816         unsigned.
12817         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
12818         operations jump functions and ancestor jump functions.
12819         (compute_complex_pass_through): New function.
12820         (compute_scalar_jump_functions): Call compute_complex_pass_through,
12821         reflect changes in the jump function strucutre.
12822         (update_jump_functions_after_inlining): Ignore complex pass-through
12823         and ancestor jump functions.
12824         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
12825         polynomial pass-through with operation jump functions.
12826
12827 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
12828
12829         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
12830         fde->dw_fde_begin as begin label instead of hot/cold label.
12831         Use LLSDAC label instead of LLSDA for second section lsda.
12832         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
12833         label instead of LLSDA if it is true.
12834         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
12835         callers.
12836         * except.c (add_call_site, dw2_size_of_call_site_table): Add
12837         SECTION argument.  Use it as index into crtl->eh.call_site_record
12838         array.
12839         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
12840         use it to determine how to print table entries instead of using
12841         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
12842         label instead of normal begin label as base.
12843         (sjlj_assign_call_site_values): Adjust add_call_site caller.
12844         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
12845         ensure no EH range spans between sections and that landing pads
12846         are always in the corresponding section.
12847         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
12848         for crtl->eh.call_site_record being an array rather than scalar.
12849         (output_one_function_exception_table): New function, copied
12850         from output_function_exception_table.  Adjust
12851         dw2_size_of_call_site_table, dw2_output_call_site_table
12852         callers.  For SECOND section use *C suffixed labels.
12853         (output_function_exception_table): Call
12854         output_one_function_exception_table and, when doing hot/cold
12855         partitioning, also another time for the second section.
12856         * opts.c: Include except.h.
12857         (decode_options): Allow -freorder-blocks-and-partition with
12858         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
12859         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
12860         * function.h (struct rtl_eh): Change call_site_record from
12861         scalar into array of 2 elements.
12862
12863 2009-08-07  Martin Jambor  <mjambor@suse.cz>
12864
12865         * ipa-prop.c (count_formal_params_1): New function.
12866         (ipa_get_vector_of_formal_parms): New function.
12867         (get_vector_of_formal_parm_types): New function.
12868         (ipa_modify_formal_parameters): New function.
12869         (ipa_modify_call_arguments): New function.
12870         (index_in_adjustments_multiple_times_p): New function.
12871         (ipa_combine_adjustments): New function.
12872         (ipa_dump_param_adjustments): New function.
12873         * ipa-prop.h (struct ipa_parm_adjustment): New type.
12874         (ipa_get_vector_of_formal_parms): Declare.
12875         (ipa_modify_formal_parameters): Declare.
12876         (ipa_modify_call_arguments): Declare.
12877         (ipa_combine_adjustments): Declare.
12878         (ipa_dump_param_adjustments): Declare.
12879         (build_ref_for_offset): Declare.
12880         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
12881         * tree-sra.c: Include ipa-prop.c.
12882         (build_ref_for_offset): Make public.
12883
12884 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
12885
12886         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
12887
12888 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
12889
12890         * gcc/doc/extend.texi (__builtin_extract_return_address)
12891         (__builtin_frob_return_address): Document.
12892
12893 2009-08-06  Paul Brook  <paul@codesourcery.com>
12894
12895         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
12896         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
12897         implementation on ARMv6-M.
12898
12899 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12900
12901         * doc/extend.texi (pcs): Document new attribute for ARM.
12902
12903 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12904
12905         * arm.c (pcs_attribute_args): Comment out unsupported attribute
12906         variants.
12907
12908 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12909
12910         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
12911         warning ().
12912
12913 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12914
12915         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
12916
12917 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12918
12919         Merge ARM/hard_vfp_branch to trunk.
12920
12921         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
12922
12923         * arm.c (libcall_eq): New function.
12924         (libcall_hash): New function.
12925         (add_libcall): New function.
12926         (arm_libcall_uses_aapcs_base): New function.
12927         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
12928         libcalls using the base PCS.
12929         (arm_init_cumulative_args): Likewise.
12930
12931         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
12932
12933         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
12934         Use base ABI for conversion libfuncs between HFmode and SFmode.
12935
12936         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
12937
12938         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
12939         V4SImode as representatives of all 64-bit and 128-bit vector
12940         types.  Allow vector types without vector modes.
12941         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
12942         without vector modes like BLKmode.
12943         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
12944         BLKmode.  Avoid unsupported vector modes or TImode moves for
12945         non-TARGET_NEON.
12946         (aapcs_vfp_allocate_return_reg): Likewise.
12947         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
12948         V8QImode if TARGET_NEON || TARGET_IWMMXT.
12949
12950         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
12951
12952         * config/arm/arm.c (arm_handle_pcs_attribute): New.
12953         (arm_get_pcs_model): Pass attribute arguments to
12954         arm_pcs_from_attribute.
12955         (arm_init_cumulative_args): Use base AAPCS for conversions from
12956         floating-point types to DImode.
12957         (arm_attribute_table): Add pcs attribute.
12958         (arm_handle_pcs_attribute): New.
12959         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
12960         conversions from floating-point types to DImode, also declare them
12961         to use base AAPCS and declare functions they call to use base
12962         AAPCS and their RTABI names.
12963
12964         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
12965
12966         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
12967         -mfloat-abi=hard not being supported for VFP.
12968
12969         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
12970
12971         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
12972         SYMBOL_REF to hard_libcall_value.
12973
12974         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
12975             Richard Earnshaw  <rearnsha@arm.com>
12976
12977         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
12978         has been put on the stack, all remaining co-processory arguments for
12979         that co-processor also go on the stack.
12980
12981         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
12982
12983         * config/arm/arm.c (arm_return_in_memory): Handle returning
12984         vectors of suitable size in registers also for AAPCS case.
12985
12986         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
12987
12988         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
12989
12990         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
12991
12992         ARM Hard-VFP calling convention
12993         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
12994         * target.h (gcc_target): Add libcall_value to table of call hooks.
12995         * targhooks.h (default_libcall_value): Default implementation.
12996         * targhooks.c (default_libcall_value): Likewise.
12997         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
12998         * optabs.c (expand_unop): Use it.
12999         * expr.h (hard_libcall_value): Pass the function RTX through.
13000         * calls.c (emit_library_call_value_1): Update call to
13001         hard_libcall_value.
13002         * explow.c (hard_libcall_value): Use new target hook.
13003         * config/arm/arm.c: Include cgraph.h
13004         (TARGET_FUNCTION_VALUE): Override default hook.
13005         (arm_pcs_default): New variable.
13006         (arm_override_options): Don't fault hard calling convention with VFP.
13007         Add support for AAPCS variants.
13008         (arm_function_value): Make static.  Handle AAPCS variants.
13009         (arm_libcall_value): New function.
13010         (arm_apply_result_size): Handle VFP registers in results.
13011         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
13012         conventions.
13013         (pcs_attribute_args): New variable.
13014         (arm_pcs_from_attribute): New function.
13015         (arm_get_pcs_model): New function.
13016         (aapcs_vfp_cum_init): New function.
13017         (aapcs_vfp_sub_candidate): New function.
13018         (aapcs_vfp_is_return_candidate): New function.
13019         (aapcs_vfp_is_call_candidate): New function.
13020         (aapcs_vfp_allocate): New function.
13021         (aapcs_vfp_allocate_return_reg): New function.
13022         (aapcs_vfp_advance): New function.
13023         (aapcs_cp_arg_layout): New variable.
13024         (aapcs_select_call_coproc): New function.
13025         (aapcs_select_return_coproc): New function.
13026         (aapcs_allocate_return_reg): New function.
13027         (aapcs_libcall_value): New function.
13028         (aapcs_layout_arg): New function.
13029         (arm_init_cumulative_args): Initialize AAPCS args data.
13030         (arm_function_arg): Handle AAPCS variants using new interface.
13031         (arm_arg_parital_bytes): Likewise.
13032         (arm_function_arg_advance): New function.
13033         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
13034         calling conventions.
13035         (arm_setup_incoming_varargs): Handle new AAPCS args data.
13036         * arm.h (NUM_VFP_ARG_REGS): Define.
13037         (LIBCALL_VALUE): Update.
13038         (FUNCTION_VALUE): Delete.
13039         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
13040         (arm_pcs): New enum.
13041         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
13042         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
13043         (FUNCTION_ARG_REGNO_P): Add VFP regs.
13044         * arm-protos.h (arm_function_arg_advance): Add.
13045         (aapcs_libcall_value): Add.
13046         (arm_function_value): Delete.
13047
13048 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
13049             H.J. Lu  <hongjiu.lu@intel.com>
13050
13051         PR target/40957
13052         * config/i386/i386.c (standard_sse_mode_p): Remove.
13053         (standard_sse_constant_p): Return 2 for integer mode
13054         vector_all_ones_operand when SSE2 is enabled.
13055         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
13056         (ix86_expand_vector_move): Do not check for negative values from
13057         standard_sse_constant_p.
13058
13059 2009-08-06  Richard Guenther  <rguenther@suse.de>
13060
13061         * tree-ssa.c (useless_type_conversion_p_1): Make function and
13062         array type comparisons frontend independent.
13063         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
13064         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
13065         out array reference lower bound and element size operands.
13066         (ao_ref_init_from_vn_reference): Properly compute the offset
13067         for ARRAY_RANGE_REF.
13068         (vn_reference_fold_indirect): Fill out array reference lower
13069         bound and element size operands.
13070         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
13071         a non gimple valued reference operand which can happen for
13072         array reference lower bound or element size.
13073         (create_component_ref_by_pieces_1): Properly generate the
13074         element size operand for array references.
13075
13076 2009-08-06  Richard Guenther  <rguenther@suse.de>
13077
13078         PR tree-optimization/40964
13079         * tree.c (iterative_hash_host_wide_int): Export.
13080         * tree.h (iterative_hash_host_wide_int): Declare.
13081         * tree-ssa-structalias.c (heapvar_map): New struct.
13082         (heapvar_map_eq): New function.
13083         (heapvar_map_hash): Likewise.
13084         (heapvar_lookup): Adjust.
13085         (heapvar_insert): Likewise.
13086         (make_constraint_from_heapvar): Allow multiple heap variables
13087         per decl at different offsets.
13088         (init_alias_heapvars): Adjust.
13089
13090 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
13091
13092         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
13093         * mips_output_sync_loop (mips_output_sync_loop): Only emit
13094         trailing sync if TARGET_SYNC_AFTER_SC.
13095
13096 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
13097
13098         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
13099         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
13100         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
13101         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
13102         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
13103         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
13104         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
13105         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
13106         test_and_set_12): Rewrite calls to mips_output_sync_loop.
13107         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
13108         the prototype declaration match the definition.
13109         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
13110         instructions explicitly.  Add barrier_before and operands
13111         parameters.
13112         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
13113         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
13114         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
13115         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
13116         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
13117         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
13118
13119 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
13120
13121         * tree-ssa-alias.c: Fix intervals to use [) syntax.
13122
13123 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
13124             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
13125
13126         PR target/40906
13127         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
13128         source operand.
13129
13130 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
13131
13132         PR rtl-optimization/40924
13133         * dse.c (canon_address): Before calling cselib_expand_value_rtx
13134         make sure canon_rtx (mem_address) isn't simpler than
13135         canon_rtx (expanded_mem_address).
13136
13137 2009-08-05  Li Feng  <nemokingdom@gmail.com>
13138
13139         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
13140         for each poly_bb_p.
13141         (build_scop_drs): Build alias set for each SCoP.
13142
13143 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
13144
13145         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
13146         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
13147         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
13148         (MIPS_ARCH_FLOAT_SPEC): Likewise.
13149         (BASE_DRIVER_SELF_SPECS): Likewise.
13150
13151 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
13152
13153         * tree-ssa-alias.c: Fix some comment typos.
13154
13155 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
13156
13157         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
13158         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
13159
13160 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
13161
13162         PR c/39902
13163         * simplify-rtx.c (simplify_binary_operation_1): Disable
13164         simplifications for decimal float operations.
13165
13166 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
13167
13168         PR middle-end/40943
13169         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
13170         operand of INDIRECT_REF.
13171
13172 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
13173
13174         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
13175         constants referencing TLS symbols.
13176
13177 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
13178
13179         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
13180         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
13181
13182 2009-08-03  Richard Guenther  <rguenther@suse.de>
13183
13184         * tree.c (make_vector_type): Build a main variant first,
13185         get the canonical one and then build the variant.
13186         * tree-ssa.c (useless_type_conversion_p_1): Handle
13187         fixed-point types.
13188         (useless_type_conversion_p): Conversions to pointers to
13189         incomplete record types are useless.
13190
13191 2009-08-03  Richard Guenther  <rguenther@suse.de>
13192
13193         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
13194         file will be created.
13195         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
13196         * toplev.c (compile_file): Adjust comment.
13197
13198 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13199
13200         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
13201         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
13202         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13203         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
13204         (sh_promote_function_mode): Fix typo.
13205
13206 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
13207
13208         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
13209
13210 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13211
13212         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
13213         declaration arguments.
13214
13215 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
13216
13217         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
13218         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
13219         (ix86_split_ashl): Ditto.
13220         (ix86_expand_vector_init_one_nonzero): Ditto.
13221         (ix86_expand_vector_set): Ditto.
13222         (ix86_expand_reduc_v4sf): Ditto.
13223
13224 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
13225
13226         * explow.c (promote_function_mode): Remove assert.
13227         * config/sh/sh.c (sh_promote_function_mode): Declare.
13228
13229 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13230
13231         * config/pa/pa.c (pa_promote_function_mode): Declare.
13232         Change to static.  Fix promote_mode call.
13233
13234         * gthr-dce.h (CONST_CAST2): Define if not defined.
13235         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
13236
13237         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
13238
13239 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
13240
13241         * expr.c (store_constructor): Use promote_decl_mode.  Remove
13242         now write-only variable unsignedp.
13243         (expand_expr_real_1): Use promote_decl_mode.
13244         * expr.h (promote_function_mode, promote_decl_mode): New.
13245         (promote_mode): Remove last argument.
13246         * function.c (assign_temp): Drop last argument of promote_mode.
13247         (assign_parm_find_data_types): Use promote_function_mode.
13248         (assign_parm_setup_reg): Likewise.
13249         (expand_function_end): Use promote_function_mode.
13250         * calls.c (initialize_argument_information): Use promote_function_mode.
13251         (precompute_arguments): Use promote_mode instead of checking if
13252         only PROMOTE_FUNCTION_MODE is defined.
13253         (expand_call): When making sibcall decisions, use promote_function_mode.
13254         Below, remove an if for targetm.calls.promote_function_return and
13255         and use promote_function_mode.
13256         (emit_library_call_value_1): Use promote_function_mode, fix bug
13257         where promote_mode was passed FOR_CALL == 0 for a return value in an
13258         assertion.
13259         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
13260         * explow.c (promote_function_mode, promote_decl_mode): New.
13261         (promote_mode): Keep only the FOR_CALL == 0 case.
13262         * combine.c (setup_incoming_promotion): Remove test of
13263         promote_function_args.  Use promote_function_mode.
13264         * stmt.c (expand_value_return): Use promote_decl_mode.
13265         (expand_decl): Use promote_decl_mode.
13266
13267         * expr.c (store_constructor): Use promote_decl_mode.  Remove
13268         now write-only variable unsignedp.
13269         (expand_expr_real_1): Use promote_decl_mode.
13270         * expr.h (promote_function_mode, promote_decl_mode): New.
13271         (promote_mode): Remove last argument.
13272         * function.c (assign_temp): Drop last argument of promote_mode.
13273         (assign_parm_find_data_types): Use promote_function_mode.
13274         (assign_parm_setup_reg): Likewise.
13275         (expand_function_end): Use promote_function_mode.
13276         * calls.c (initialize_argument_information): Use promote_function_mode.
13277         (precompute_arguments): Use promote_mode instead of checking if
13278         only PROMOTE_FUNCTION_MODE is defined.
13279         (expand_call): When making sibcall decisions, use promote_function_mode.
13280         Below, remove an if for targetm.calls.promote_function_return and
13281         and use promote_function_mode.
13282         (emit_library_call_value_1): Use promote_function_mode, fix bug
13283         where promote_mode was passed FOR_CALL == 0 for a return value in an
13284         assertion.
13285         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
13286         * explow.c (promote_function_mode, promote_decl_mode): New.
13287         (promote_mode): Keep only the FOR_CALL == 0 case.
13288         * combine.c (setup_incoming_promotion): Remove test of
13289         promote_function_args.  Use promote_function_mode.
13290         * stmt.c (expand_value_return): Use promote_decl_mode.
13291         (expand_decl): Use promote_decl_mode.
13292
13293         * explow.c (promote_function_mode): Just call the target hook.
13294         * targhooks.c (default_promote_function_mode,
13295         default_promote_function_mode_always_promote): New.
13296         * targhooks.h (default_promote_function_mode,
13297         default_promote_function_mode_always_promote): Declare.
13298         * target.h (promote_function_args, promote_function_return): Remove.
13299         (promote_function_mode): New.
13300         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
13301         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13302         (TARGET_PROMOTE_FUNCTION_MODE): New.
13303         (TARGET_CALLS): Adjust.
13304         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
13305         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
13306
13307         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
13308         * config/s390/s390.c (s390_promote_function_mode): ... here,
13309         with pointer handling.
13310         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13311         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13312
13313         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
13314         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
13315         with pointer handling.
13316         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13317         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13318
13319         * config/sh/sh-protos.h (sh_promote_function_mode): New.
13320         * config/sh/sh.c (sh_promote_function_mode): New.
13321         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13322         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13323
13324         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
13325         * config/cris/cris.c (cris_promote_function_mode): ... here.
13326         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13327         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
13328
13329         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
13330         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
13331         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13332         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
13333
13334         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
13335         * config/arm/arm.c (arm_promote_function_mode): ... here, without
13336         complex type handling.
13337         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13338         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13339
13340         * config/pa/pa.c (pa_promote_function_mode): New.
13341         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13342         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13343
13344         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
13345         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13346         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
13347         * config/xtensa/xtensa.c: Likewise.
13348         * config/stormy16/stormy16.c: Likewise.
13349         * config/iq2000/iq2000.c: Likewise.
13350         * config/rs6000/rs6000.c: Likewise.
13351         * config/picochip/picochip.c: Likewise.
13352         * config/arc/arc.c: Likewise.
13353         * config/mcore/mcore.c: Likewise.
13354         * config/score/score.c: Likewise.
13355         * config/mips/mips.c: Likewise.
13356         * config/bfin/bfin.c: Likewise.
13357         * config/ia64/ia64.c: Likewise (disabled though).
13358
13359         * config/frv/frv.h: Remove pointless remark.
13360
13361         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
13362         TARGET_PROMOTE_FUNCTION_ARGS,
13363         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
13364         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
13365
13366 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
13367
13368         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
13369         -floop-parallelize-all.
13370         * toplev.c (process_options): Rename flag_graphite_force_parallel to
13371         flag_loop_parallelize_all.
13372         * tree-ssa-loop.c (gate_graphite_transforms): Same.
13373         * graphite.c (graphite_transform_loops): Same.
13374         * common.opt: Same.
13375         * graphite-poly.c (apply_poly_transforms): Same.
13376
13377 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
13378
13379         PR tree-optimization/40914
13380         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
13381         if set, then check the delta field of the PMF record.
13382         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
13383         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
13384         call is stored in the delta.
13385
13386 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
13387
13388         * config/mips/mips.md (*clear_upper32_dext): New pattern.
13389
13390 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
13391
13392         * config/i386/bsd.h (ASM_BYTE): New define.
13393         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
13394         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
13395         .byte.  Use fputs or putc instead of fprintf where appropriate.
13396         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
13397         fputs or putc instead of fprintf where appropriate.
13398         * config/i386/i386elf.h: Ditto.
13399         * config/i386/sysv4.h: Ditto.
13400
13401         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
13402         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
13403         (*tls_global_dynamic_64): Ditto.
13404
13405 2009-07-31  Christian Bruel  <christian.bruel@st.com>
13406
13407         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
13408
13409 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13410
13411         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
13412         Remove dead code for MINUS.
13413
13414 2009-07-31  Anthony Green  <green@moxielogic.com>
13415
13416         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
13417         $r12 in prologue.
13418         (moxie_expand_epilogue): Ditto for epilogue.
13419         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
13420         incoming arguments.
13421         (moxie_function_arg): Ditto.
13422         (moxie_pass_by_reference): Ditto.
13423         (moxie_arg_partial_bytes): Ditto.
13424         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
13425         (FUNCTION_ARG_ADVANCE) Ditto.
13426         (REG_PARM_STACK_SPACE) Ditto.
13427         (FUNCTION_ARG_REGNO_P) Dito.
13428
13429         * config.gcc: Add moxie linux config support.
13430         * gcc/config/moxie/uclinux.h: New file.
13431
13432 2009-07-31  DJ Delorie  <dj@redhat.com>
13433
13434         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
13435         (UNSPECV_SP_SWITCH_E): New.
13436         (sp_switch_1): Change to an unspec.
13437         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
13438         replace $r15.
13439         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
13440         reference the new stack's address
13441
13442 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13443
13444         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
13445         graphite-clast-to-gimple.o, graphite-dependences.o,
13446         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
13447         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
13448         (graphite-blocking.o,
13449         graphite-clast-to-gimple.o, graphite-dependences.o,
13450         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
13451         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
13452         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
13453         * cfgloop.h (struct loop): Add can_be_parallel field.
13454         * common.opt (fgraphite-identity): Moved up.
13455         (fgraphite-force-parallel): New flag.
13456         * graphite.c: Rewrite.
13457         * graphite.h: Rewrite.
13458         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
13459         after Graphite.
13460         * toplev.c (graphite_out_file): New file descriptor.
13461         (graphite_in_file): New.
13462         (process_options): flag_graphite_force_parallel cannot be used without
13463         Graphite.
13464         * tree-ssa-loop.c: Include toplev.h.
13465         (gate_graphite_transforms): Enable flag_graphite for
13466         flag_graphite_force_parallel.
13467
13468 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13469
13470         * ChangeLog.graphite: New.
13471         * graphite-blocking.c: New.
13472         * graphite-clast-to-gimple.c: New.
13473         * graphite-clast-to-gimple.h: New.
13474         * graphite-dependences.c: New.
13475         * graphite-dependences.h: New.
13476         * graphite-interchange.c: New.
13477         * graphite-poly.c: New.
13478         * graphite-poly.h: New.
13479         * graphite-ppl.c: New.
13480         * graphite-ppl.h: New.
13481         * graphite-scop-detection.c: New.
13482         * graphite-scop-detection.h: New.
13483         * graphite-sese-to-poly.c: New.
13484         * graphite-sese-to-poly.h: New.
13485         * sese.c: New.
13486         * sese.h: New.
13487
13488 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13489
13490         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
13491         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
13492
13493 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13494
13495         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
13496         (scev_is_linear_expression): Return false if the evolution is not
13497         affine multivariate.
13498
13499 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13500
13501         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
13502         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
13503
13504 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13505
13506         * tree-data-ref.c (debug_data_references): New.
13507         (debug_data_reference): New.
13508         * tree-data-ref.h (debug_data_references): Declared.
13509         (debug_data_reference): Declared.
13510
13511 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13512
13513         * tree-data-ref.c (stmt_simple_memref_p: Removed.
13514         * tree-data-ref.h (scop_p): Removed.
13515         (struct data_reference): Remove field scop.
13516         (DR_SCOP): Removed.
13517         (stmt_simple_memref_p): Removed.
13518
13519 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13520
13521         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
13522         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
13523         basic block empty.
13524
13525 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13526
13527         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
13528
13529 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13530
13531         * doc/invoke.texi (-fgraphite-identity): Documented.
13532
13533 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13534
13535         * tree-scalar-evolution.c: Fix comment.
13536         (instantiate_scev_1): Return unknow from scev instantiation if the
13537         result is not above instantiate_below.
13538
13539 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13540
13541         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
13542         static anymore.  Instantiate the symbols that may have been introduced
13543         by chrec_apply.
13544         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
13545         Declared.
13546
13547 2009-07-30  DJ Delorie  <dj@redhat.com>
13548
13549         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
13550         .vliw directive to VLIW sections.
13551
13552 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13553
13554         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
13555         New variables.
13556         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
13557         (AUTOHEADER): New variable.
13558         ($(srcdir)/cstamp-h.in): Use it.
13559
13560 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
13561             Pat Haugen  <pthaugen@us.ibm.com>
13562             Revital Eres <ERES@il.ibm.com>
13563
13564         * config/rs6000/vector.md (VEC_F): Add VSX support.
13565         (VEC_A): Ditto.
13566         (VEC_N): Ditto.
13567         (mov<mode>): Ditto.
13568         (vector_load_<mode>): Ditto.
13569         (vector_store_<mode>): Ditto.
13570         (vector GPR move split): Ditto.
13571         (vec_reload_and_plus_<mptrsize>): Ditto.
13572         (vec_reload_and_reg_<mptrsize>): Ditto.
13573         (add<mode>3): Ditto.
13574         (sub<mode>3): Ditto.
13575         (mul<mode>3): Ditto.
13576         (neg<mode>2): Ditto.
13577         (abs<mode>2): Ditto.
13578         (smin<mode>3): Ditto.
13579         (smax<mode>3): Ditto.
13580         (vector_eq<mode>): Ditto.
13581         (vector_gt<mode>): Ditto.
13582         (vector_ge<mode>): Ditto.
13583         (vector_gtu<mode>): Ditto.
13584         (vector_select_<mode>_uns): Ditto.
13585         (vector_eq_<mode>_p): Ditto.
13586         (vector_gt_<mode>_p): Ditto.
13587         (vector_ge_<mode>_p): Ditto.
13588         (vector_gtu_<mode>_p): Ditto.
13589         (cr6_test_for_zero): Ditto.
13590         (cr6_test_for_zero_reverse): Ditto.
13591         (cr6_test_for_lt): Ditto.
13592         (cr6_test_for_lt_reverse): Ditto.
13593         (xor<mode>3): Ditto.
13594         (ior<mode>3): Ditto.
13595         (and<mode>3): Ditto.
13596         (one_cmpl<mode>2): Ditto.
13597         (nor<mode>2): Ditto.
13598         (andc<mode>2): Ditto.
13599         (float<VEC_int<mode>2): Ditto.
13600         (unsigned_float<VEC_int><mode>2): Ditto.
13601         (fix_trunc<mode><VEC_int>2): Ditto.
13602         (fixuns_trunc<mode><VEC_int>2): Ditto.
13603         (vec_init<mode>):
13604         (vec_set<mode>): Ditto.
13605         (vec_extract<mode>): Ditto.
13606         (vec_interleave_highv4sf): Ditto.
13607         (vec_interleave_lowv4sf): Ditto.
13608         (vec_realign_load_<mode>): Ditto.
13609         (vec_shl_<mode>): Ditto.
13610         (vec_shr_<mode>): Ditto.
13611         (div<mode>3): New patterns for VSX.
13612         (vec_interleave_highv2df): Ditto.
13613         (vec_interleave_lowv2df): Ditto.
13614         (vec_pack_trunc_v2df): Ditto.
13615         (vec_pack_sfix_trunc_v2df): Ditto.
13616         (vec_pack_ufix_trunc_v2df): Ditto.
13617         (vec_unpacks_hi_v4sf): Ditto.
13618         (vec_unpacks_lo_v4sf): Ditto.
13619         (vec_unpacks_float_hi_v4si): Ditto.
13620         (vec_unpacks_float_lo_v4si): Ditto.
13621         (vec_unpacku_float_hi_v4si): Ditto.
13622         (vec_unpacku_float_lo_v4si): Ditto.
13623         (movmisalign<mode>): Ditto.
13624         (vector_ceil<mode>2): New patterns for vectorizing math library.
13625         (vector_floor<mode>2): Ditto.
13626         (vector_btrunc<mode>2): Ditto.
13627         (vector_copysign<mode>3): Ditto.
13628
13629         * config/rs6000/predicates.md (easy_vector_constant_msb): New
13630         predicate for setting the high bit in each word, used for copysign.
13631
13632         * config/rs6000/ppc-asm.h (f19): Whitespace.
13633         (f32-f63): Define if VSX.
13634         (v0-v31): Define if Altivec.
13635         (vs0-vs63): Define if VSX.
13636
13637         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
13638
13639         * config/rs6000/power7.md: New file, provide tuning parameters for
13640         -mcpu=power7.
13641
13642         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
13643         (rs6000_cpu_cpp_builtins): Ditto.
13644         (altivec_overloaded_builtins): Ditto.
13645         (altivec_resolve_overloaded_builtin): Ditto.
13646
13647         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
13648         debug switch to disable vectorizing simple math builtin
13649         functions.
13650
13651         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
13652         Vectorize simple math builtin functions.
13653         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
13654         hook to vectorize math builtins.
13655         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
13656         (rs6000_builtin_conversion): Add VSX/power7 support.
13657         (rs6000_builtin_vec_perm): Ditto.
13658         (vsplits_constant): Add support for loading up a vector constant
13659         with just the high bit set in each part.
13660         (rs6000_expand_vector_init): Add VSX/power7 support.
13661         (rs6000_expand_vector_set): Ditto.
13662         (rs6000_expand_vector_extract): Ditto.
13663         (rs6000_emit_move): Ditto.
13664         (bdesc_3arg): Ditto.
13665         (bdesc_2arg): Ditto.
13666         (bdesc_1arg): Ditto.
13667         (rs6000_expand_ternop_builtin): Ditto.
13668         (altivec_expand_builtin): Ditto.
13669         (rs6000_expand_unop_builtin): Ditto.
13670         (rs6000_init_builtins): Ditto.
13671         (altivec_init_builtins): Ditto.
13672         (builtin_function_type): Ditto.
13673         (rs6000_common_init_builtins): Ditto.
13674         (rs6000_handle_altivec_attribute); Ditto.
13675         (rs6000_mangle_type): Ditto.
13676         (rs6000_vector_mode_supported_p): Ditto.
13677         (rs6000_mode_dependent_address): Altivec addresses with AND -16
13678         are mode dependent.
13679
13680         * config/rs6000/vsx.md: New file for VSX support.
13681
13682         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
13683         identifing values with just the most significant bit set.
13684         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
13685         vectorized builtins.
13686
13687         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
13688         (UNSPEC_VRFIM): Delete.
13689         (splitter for loading up vector with most significant bit): New
13690         splitter for vectorizing copysign.
13691         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
13692         vectorizing simple math functions.
13693         (altivec_vrfip): Add support for vectorizing simple math functions.
13694         (altivec_vrfim): Ditto.
13695         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
13696
13697         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
13698         (power7.md, vsx.md): Include for power7 support.
13699         (copysigndf3): Use VSX instructions if -mvsx.
13700         (negdf2_fpr): Ditto.
13701         (absdf2_fpr): Ditto.
13702         (nabsdf2_fpr): Ditto.
13703         (adddf3_fpr): Ditto.
13704         (subdf3_fpr): Ditto.
13705         (muldf3_fpr): Ditto.
13706         (divdf3_fpr): Ditto.
13707         (fix_truncdfdi2_fpr): Ditto.
13708         (cmpdf_internal1): Ditto.
13709         (fred, fred_fpr): Convert into expander/insn to add VSX support.
13710         (btruncdf2, btruncdf2_fpr): Ditto.
13711         (ceildf2, ceildf2_fpr): Ditto.
13712         (floordf2, floordf2_fpr): Ditto.
13713         (floatdidf2, floatdidf2_fpr): Ditto.
13714         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
13715         (fmsubdf4_fpr): Ditto.
13716         (fnmadddf4_fpr_1): Ditto.
13717         (fnmadddf4_fpr_2): Ditto.
13718         (fnmsubdf4_fpr_1): Ditto.
13719         (fnmsubdf4_fpr_2): Ditto.
13720         (fixuns_truncdfdi2): Add expander for VSX support.
13721         (fix_truncdfdi2): Ditto.
13722         (fix_truncdfsi2): Ditto.
13723         (ftruncdf2): Ditto.
13724         (btruncsf2): Whitespace.
13725         (movdf_hardfloat32): Add support for VSX registers.
13726         (movdf_softfloat32): Ditto.
13727         (movdf_hardfloat64): Ditto.
13728         (movdf_hardfloat64_mfpgpr): Ditto.
13729         (movdf_softfloat64): Ditto.
13730         (movti splitters): Add check for vector registers supporting
13731         TImode in the future.
13732         (bpermd): Add power7 bpermd instruction.
13733
13734         * config/rs6000/altivec.h (vec_div): Define if VSX.
13735         (vec_mul): Ditto.
13736         (vec_msub): Ditto.
13737         (vec_nmadd): Ditto.
13738         (vec_nearbyint): Ditto.
13739         (vec_rint): Ditto.
13740         (vec_sqrt): Ditto.
13741         (all predicates): Use the generic builtin function, and not the V4SF
13742         specific function so that the predicates will work with VSX's V2DF.
13743         (vec_all_*): Ditto.
13744         (vec_any_*): Ditto.
13745
13746         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
13747         Document new VSX functions and types.
13748
13749         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
13750         switches.
13751
13752         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
13753         "wa", and "j" constraints.  Modify "v" to talk about Altivec
13754         instead of just vector.
13755
13756 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
13757
13758         PR debug/26475
13759         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
13760         location for phi arguments.
13761         (rewrite_update_phi_arguments): Find locations for reaching defs.
13762         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
13763         Add location to add_phi_arg calls.
13764         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
13765         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
13766         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
13767         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
13768         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
13769         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
13770         * tree-phinodes.c (make_phi_node): Initialize location.
13771         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
13772         (add_phi_arg): Add location parameter.
13773         (remove_phi_arg_num): Move location when moving phi argument.
13774         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
13775         location.
13776         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
13777         slpeel_update_phi_nodes_for_guard1,
13778         slpeel_update_phi_nodes_for_guard2,
13779         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
13780         vect_loop_versioning): Set locations.
13781         * tree-parloops.c (create_phi_for_local_result,
13782         transform_to_exit_first_loop, create_parallel_loop): Add locations.
13783         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
13784         * tree-vect-loop.c (get_initial_def_for_induction,
13785         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
13786         locations.
13787         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
13788         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
13789         (gimple_phi_arg_set_location): New.  Set locus.
13790         (gimple_phi_arg_has_location): New.  Check for locus.
13791         (redirect_edge_var_map_location): New.  Return locus from var_map.
13792         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
13793         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
13794         combining PHI arguments.
13795         (cond_store_replacement): Set location.
13796         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
13797         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
13798         scop_add_exit_phis_edge): Add locations.
13799         * tree-cfgcleanup.c (remove_forwarder_block,
13800         remove_forwarder_block_with_phi): Add locations.
13801         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
13802         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
13803         locations.
13804         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
13805         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
13806         flush_pending_stmts): Add source location.
13807         * lambda-code.c (perfect_nestify): Maintain location stack with argument
13808         stack to preserve locations.
13809         * tree-vect-stmts.c (vectorizable_load): Add location.
13810         * tree-inline.c (copy_phis_for_bb): Copy locus.
13811         (setup_one_parameter): Add call locus to inlined parameter stmts.
13812         (initialize_inlined_parameters): Pass in call location as parameter
13813         assignment locus.
13814         (tree_function_versioning): Pass location to setup_one_parameter.
13815         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
13816         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
13817         copy and edge lists.
13818         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
13819         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
13820         locus parameter and override the stmt default if provided.
13821         (new_elim_graph, clear_elim_graph, delete_elim_graph,
13822         elim_graph_add_edge, elim_graph_remove_succ_edge,
13823         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
13824         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
13825         eliminate_phi):  Add locus info in elimination graph for each edge and
13826         value copy.
13827         (insert_backedge_copies): Copy locus if present.
13828         * tree-flow.h (struct _edge_var_map): Add locus field.
13829         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
13830         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
13831         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
13832         locations.
13833         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
13834
13835 2009-07-30  Martin Jambor  <mjambor@suse.cz>
13836
13837         PR tree-optimization/40570
13838         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
13839         use inlining loops.
13840
13841 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
13842
13843         * ssa-loop-manip.c: Include langhooks.h.
13844         (rewrite_phi_with_iv): New.
13845         (rewrite_all_phi_nodes_with_iv): New.
13846         (canonicalize_loop_ivs): Move here from tree-parloops.c.
13847         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
13848         * tree-parloops.c (loop_parallel_p): Move out all conditions
13849         except dependency check.
13850         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
13851         (gen_parallel_loop): Call canonicalize_loop_ivs without
13852         reduction_list argument.
13853         (build_new_reduction): New.
13854         (gather_scalar_reductions): New.
13855         (try_get_loop_niter): New.
13856         (try_create_reduction_list): New.
13857         (parallleize_loops): Change the parallel conditions check.
13858         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
13859         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
13860
13861 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
13862
13863         * opt-functions.awk (opt_args): Allow argument to be enclosed in
13864         curly braces.
13865         * doc/options.texi (Option properties):  Mention new quoting syntax.
13866
13867 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13868
13869         * config/alpha/alpha.c (alpha_start_function):
13870         Handle VMS_DEBUG_MAIN_POINTER
13871         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
13872         * doc/invoke.texi: Document -mdebug-main switch.
13873
13874 2009-07-29  Richard Henderson  <rth@redhat.com>
13875
13876         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
13877         (cgraph_create_edge_including_clones): Likewise.
13878         * tree-inline.c (copy_bb): Operate on the correct edges
13879         when updating the callgraph.
13880
13881 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13882
13883         * config/alpha/vms-cc.c: Deleted.
13884         * config/alpha/vms-ld.c: Deleted.
13885         * config/alpha/t-vms64: Moved to config/vms
13886         * config/alpha/vms-crt0-64.c: Moved to config/vms
13887         * config/alpha/vms-crt0.c: Moved to config/vms
13888         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
13889         * config/alpha/vms-psxcrt0.c: Moved to config/vms
13890         * config/alpha/xm-vms.h: Moved to config/vms
13891         * config/alpha/x-vms: Moved to config/vms
13892         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
13893         config/vms/t-vms.
13894         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
13895         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
13896         (version): Set.
13897         * config/vms/t-vms64: Moved here from config/alpha
13898         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
13899         (argc,argv,envp): Enforce 32bit malloc'ing.
13900         * config/vms/vms-psxcrt0-64.c: Likewise.
13901         * config/vms/vms-crt0.c: Moved here from config/alpha.
13902         * config/vms/vms-psxcrt0.c: Likewise.
13903         * config/vms/vms-crtl-64.h: New file.
13904         * config/vms/vms-crtl.h: New file.
13905         * config/vms/vms.opt: New file.
13906         * config/vms/xm-vms64.h: New file.
13907         * config/vms/xm-vms.h: Moved here from config/alpha.
13908         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
13909         Set.
13910         * config/vms/x-vms: Moved here from config/alpha.
13911         (version, VMS_EXTRA_PARTS): Moved to t-vms.
13912         (vms-ld.o, vms-cc.o): Removed.
13913         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
13914
13915 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13916
13917         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
13918         correct stack (obvious VMS fix).
13919
13920 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13921
13922         * dwarf2out.c (output_file_names): Output VMS style file name, size,
13923         date, version info if VMS_DEBUGGING_INFO defined.
13924         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
13925         size, date calculating code moved here.
13926
13927 2009-07-29  Paul Brook  <paul@codesourcery.com>
13928
13929         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
13930         do_push/do_pop.
13931
13932 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
13933
13934         PR target/40577
13935         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
13936         to DImode when generating insq_le insn.
13937
13938 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
13939
13940         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
13941         New macro set for VMS_DEBUGGGING_INFO.
13942         (AT_string_form): Use it.
13943
13944 2009-07-28  DJ Delorie  <dj@redhat.com>
13945
13946         * config/mep/mep.c (vtext_section): New.
13947         (vftext_section): New.
13948         (ftext_section): New.
13949         (mep_select_section): Add support for functions.
13950         (mep_unique_section): Likewise.
13951         (mep_asm_init_sections): Likewise.
13952         (mep_encode_section_info): Remove it from here.
13953
13954         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
13955
13956 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
13957
13958         * tree.h (TREE_DEPRECATED): Document it is used for types too.
13959         (TYPE_VECTOR_OPAQUE): Use default_def_flag
13960
13961 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
13962
13963         * dwarf2out.c (output_file_names): Test new macro
13964         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
13965         (add_comp_dir_attribute): Likewise.
13966
13967 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
13968
13969         * config/i386/mingw-w64.h (LINK_SPEC): Add
13970         separating space between commands.
13971
13972 2009-07-28  Jan Hubicka  <jh@suse.cz>
13973
13974         PR tree-optimization/40759
13975         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
13976         for renaming.
13977
13978 2009-07-27  DJ Delorie  <dj@redhat.com>
13979
13980         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
13981         types are dword-aligned.
13982         (mep_expand_va_start): Likewise.
13983
13984 2009-07-27  Olivier Hainque  <hainque@adacore.com>
13985             Douglas B Rupp  <rupp@gnat.com>
13986
13987         * convert.c (convert_to_pointer): Don't assume the target
13988         pointer type is POINTER_SIZE long. Fetch its precision instead.
13989
13990 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
13991
13992         * system.h (fopen): Undefine if macro.
13993
13994 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
13995
13996         * dwarf2out.c (output_cfi_p): Removed.
13997         (output_cfis): New function.
13998         (output_fde): New function, split from output_call_frame_info.
13999         (output_call_frame_info): Use it.
14000         (dwarf2out_switch_text_section): Use output_cfis.
14001
14002 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
14003
14004         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
14005         TARGET_BI_ARCH is specified without enabling SJLJ.
14006         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
14007         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
14008
14009 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
14010
14011         * arm.md (negdi2): Use DImode if forcing a value into a register.
14012
14013 2009-07-26  Ira Rosen  <irar@il.ibm.com>
14014
14015         PR tree-optimization/40801
14016         * tree-vect-stmts.c (vectorizable_call): Get previous copy
14017         of vector operand from the previous copy of vector statement.
14018         Pass the correct definition type value to
14019         vect_get_vec_def_for_stmt_copy().
14020
14021 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14022
14023         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
14024         const char ** conversion.
14025
14026 2009-07-25 David Daney <ddaney@caviumnetworks.com>
14027
14028         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
14029         fancy_abort() if !ENABLE_ASSERT_CHECKING.
14030         (gcc_unreachable): Invoke __builtin_unreachable() if
14031         !ENABLE_ASSERT_CHECKING.
14032
14033 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
14034
14035         PR rtl-optimization/40445
14036         * emit-rtl.c (next_nonnote_insn_bb): New function.
14037         * rtl.h (next_nonnote_insn_bb): Declare new function.
14038         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
14039         with no successors that is the successor of the ENTRY_BLOCK.
14040         Continue from the top after removing an empty fallthrough block.
14041         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
14042         of next_nonnote_insn.
14043
14044 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
14045
14046         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
14047
14048 2009-07-25  Martin Jambor  <mjambor@suse.cz>
14049
14050         * c-common.c (c_common_attribute_table): New element for noclone.
14051         (handle_noclone_attribute): New function. Forward-declare.
14052         * tree-inline.c (tree_versionable_function_p): Check for noclone
14053         attribute.
14054         * doc/extend.texi (Labels as Values): Document need for noclone.
14055         (Function Attributes): Document noclone attribute.
14056
14057 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
14058
14059         PR rtl-optimization/34999
14060         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
14061         and dw_fde_switched_cold_to_hot fields.
14062         (output_cfi_p): New function.
14063         (output_call_frame_info): If fde->dw_fde_switched_sections,
14064         output 2 FDEs instead of one with corrupted header.
14065         (dwarf2out_do_cfi_startproc): New function.
14066         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
14067         and fde->dw_fde_switched_cold_to_hot.
14068         (dwarf2out_switch_text_section): Compute
14069         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
14070         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
14071         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
14072         Otherwise, compute fde->dw_fde_switch_cfi.
14073
14074 2009-07-24  Cary Coutant  <ccoutant@google.com>
14075
14076         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
14077
14078 2009-07-24  Cary Coutant  <ccoutant@google.com>
14079
14080         * cfghooks.c (split_block): Copy discriminator to new block.
14081         * tree-cfg.c (assign_discriminator): Check location of last
14082         instruction in block as well as first.
14083
14084 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
14085
14086         * config/i386/linux.c: Use fputs or putc instead of fprintf
14087         where appropriate.
14088         * config/i386/gas.h: Ditto.
14089         * config/i386/x86-64.h: Ditto.
14090         * config/i386/att.h: Ditto.
14091
14092 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14093
14094         * expmed.c (emit_store_flag): Use a recursive call to optimize the
14095         xor case.
14096
14097 2009-07-24  Martin Jambor  <mjambor@suse.cz>
14098
14099         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
14100         (ipa_push_func_to_list_1): Declare.
14101         (ipa_push_func_to_list): New function.
14102
14103         * ipa-prop.c (ipa_push_func_to_list_1): New function.
14104         (ipa_init_func_list): Call ipa_push_func_to_list_1.
14105         (ipa_push_func_to_list): Removed.
14106         (ipa_pop_func_from_list): Clear node_enqueued flag.
14107
14108 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
14109
14110         * config/s390/s390.c (override_options): Default
14111         max-unrolled-insns to 100 for z10 tuning.
14112
14113 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
14114
14115         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
14116         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
14117         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
14118         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
14119         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
14120         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
14121         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
14122
14123 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
14124
14125         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
14126         use default set in mingw32.h header.
14127         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
14128         64-bit /mingw/include path.
14129         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
14130         path.
14131
14132 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
14133
14134         PR rtl-optimization/40209
14135         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
14136
14137 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
14138
14139         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
14140         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
14141         with the rest of string where appropriate.  Use fputs or putc
14142         instead of fprintf where appropriate.
14143
14144 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
14145             Pat Haugen  <pthaugen@us.ibm.com>
14146             Revital Eres <ERES@il.ibm.com>
14147
14148         * config/rs6000/vector.md: New file.  Move most of the vector
14149         expander support here from altivec.md to allow for the VSX vector
14150         unit in the future.  Add support for secondary_reload patterns.
14151         Rewrite the patterns for vector comparison, and vector comparison
14152         predicate instructions so that the RTL expresses the desired
14153         behavior, instead of using unspec.
14154
14155         * config/rs6000/constraints.md ("f" constraint): Use
14156         rs6000_constraints to hold the precalculated register class.
14157         ("d" constraint): Ditto.
14158         ("wd" constraint): New constraint for VSX.
14159         ("wf" constraint): Ditto.
14160         ("ws" constraint): Ditto.
14161         ("wa" constraint): Ditto.
14162         ("wZ" constraint): Ditto.
14163         ("j" constraint): Ditto.
14164
14165         * config/rs6000/predicates.md (vsx_register_operand): New
14166         predicate for VSX.
14167         (vfloat_operand): New predicate for vector.md.
14168         (vint_operand): Ditto.
14169         (vlogical_operand): Ditto.
14170         (easy_fp_constant): If VSX, 0.0 is an easy constant.
14171         (easy_vector_constant): Add VSX support.
14172         (altivec_indexed_or_indirect_operand): New predicate for
14173         recognizing Altivec style memory references with AND -16.
14174
14175         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
14176         for vector secondary reload support.
14177         (rs6000_vector_reg_class): Delete, replacing it with
14178         rs6000_constraints.
14179         (rs6000_vsx_reg_class): Ditto.
14180         (rs6000_constraints): New array to hold the register classes of
14181         each of the register constraints that can vary at runtime.
14182         (builtin_mode_to_type): New static array for builtin function type
14183         creation.
14184         (builtin_hash_table): New static hash table for builtin function
14185         type creation.
14186         (TARGET_SECONDARY_RELOAD): Define target hook.
14187         (TARGET_IRA_COVER_CLASSES): Ditto.
14188         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
14189         registers are 128 bits if VSX memory reference instructions are used.
14190         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
14191         unit is being used.
14192         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
14193         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
14194         Print several of the scheduling related parameters.
14195         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
14196         rs6000_constraints instead of rs6000_vector_reg_class.  Move
14197         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
14198         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
14199         Altivec.  Add VSX support.  Setup for secondary reload support on
14200         Altivec/VSX registers.
14201         (rs6000_override_options): Make power7 set the scheduling groups
14202         like the power5.  Add support for new debug switches to override
14203         the scheduling defaults.  Temporarily disable -mcpu=power7 from
14204         setting -mvsx.  Add support for debug switches -malways-hint,
14205         -msched-groups, and -malign-branch-targets.
14206         (rs6000_buitlin_conversion): Add support for returning unsigned
14207         vector conversion functions to fix regressions due to stricter
14208         type checking.
14209         (rs6000_builtin_mul_widen_even): Ditto.
14210         (rs6000_builtin_mul_widen_odd): Ditto.
14211         (rs6000_builtin_vec_perm): Ditto.
14212         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
14213         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
14214         to zero a register.
14215         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
14216         generated upstream.
14217         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
14218         VSX types for bit operations.  Changes to accomidate vector.md.
14219         (bdesc_2arg): Ditto.
14220         (bdesc_1arg): Ditto.
14221         (struct builtin_description_predicates): Rewrite predicate
14222         handling so that RTL describes the operation, instead of passing
14223         the instruction to be used as a string argument.
14224         (bdesc_altivec_preds): Ditto.
14225         (altivec_expand_predicate_builtin): Ditto.
14226         (altivec_expand_builtin): Ditto.
14227         (rs6000_expand_ternop_builtin): Use a switch instead of an if
14228         statement for vsldoi support.
14229         (altivec_expand_ld_builtin): Change to use new names from vector.md.
14230         (altivec_expand_st_builtin): Ditto.
14231         (paired_expand_builtin): Whitespace changes.
14232         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
14233         builtin_mode_to_type table for secondary reload.  Call
14234         builtin_function_type to build random builtin functions.
14235         (altivec_init_builtins): Change to use builtin_function_type to
14236         create builtin function types dynamically as we need them.
14237         (builtin_hash_function): New support for hashing the tree types
14238         for builtin function as we need it, rather than trying to build
14239         all of the trees that we need.  Add initial preliminary VSX support.
14240         (builtin_function_type): Ditto.
14241         (builtin_function_eq): Ditto.
14242         (builtin_hash_struct): Ditto.
14243         (rs6000_init_builtins): Ditto.
14244         (rs6000_common_init_builtins): Ditto.
14245         (altivec_init_builtins): Ditto.
14246         (rs6000_common_init_builtins): Ditto.
14247         (enum reload_reg_type): New enum for simplifing reg classes.
14248         (rs6000_reload_register_type): Simplify register classes into GPR,
14249         Vector, and other registers.  Altivec and VSX addresses in reload.
14250         (rs6000_secondary_reload_inner): Ditto.
14251         (rs6000_ira_cover_classes): New target hook, that returns the
14252         appropriate cover classes, based on -mvsx being used or not.
14253         (rs6000_secondary_reload_class): Add VSX support.
14254         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
14255         (get_vsel_insn): Ditto.
14256         (rs6000_emit_vector_compare): Rewrite vector conditional support
14257         so that where we can, we use RTL operators, instead of blindly use
14258         UNSPEC.
14259         (rs6000_emit_vector_select): Ditto.
14260         (rs6000_emit_vector_cond_expr): Ditto.
14261         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
14262         (create_TOC_reference): Add -mdebug=addr support.
14263         (emit_frame_save): VSX loads/stores need register indexed addressing.
14264
14265         * config/rs6000/rs6000.md: Include vector.md.
14266
14267         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
14268
14269         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
14270         support for V2DI, V2DF in logical, permute, select operations.
14271
14272         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
14273         switch for vsx/power7.
14274         (-mvsx-scalar-memory): Ditto.
14275         (-mvsx-align-128): Ditto.
14276         (-mallow-movmisalign): Ditto.
14277         (-mallow-df-permute): Ditto.
14278         (-msched-groups): Ditto.
14279         (-malways-hint): Ditto.
14280         (-malign-branch-targets): Ditto.
14281
14282         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
14283         hook instead.
14284         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
14285         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
14286         (rs6000_vector_reg_class): Delete.
14287         (rs6000_vsx_reg_class): Ditto.
14288         (enum rs6000_reg_class_enum): New enum for the constraints that
14289         vary based on target switches.
14290         (rs6000_constraints): New array to hold the register class for all
14291         of the register constraints that vary based on the switches used.
14292         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
14293         (enum rs6000_builtins): Add unsigned varients for the builtin
14294         declarations returned by target hooks for expanding multiplies,
14295         select, and permute operations.  Add VSX builtins.
14296         (enum rs6000_builtin_type_index): Add entries for VSX.
14297         (V2DI_type_node): Ditto.
14298         (V2DF_type_node): Ditto.
14299         (unsigned_V2DI_type_node): Ditto.
14300         (bool_long_type_node): Ditto.
14301         (intDI_type_internal_node): Ditto.
14302         (uintDI_type_internal_node): Ditto.
14303         (double_type_internal_node): Ditto.
14304
14305         * config/rs6000/altivec.md (whole file): Move all expanders to
14306         vector.md from altivec.md.  Rename insn matching functions to be
14307         altivec_foo.
14308         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
14309         (altivec_vcmp*): Ditto.
14310         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
14311         (VM): New iterator for moves that includes the VSX types.
14312         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
14313         (altivec_vperm_<mode>_uns): New, for unsigned types.
14314         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
14315         (altivec_eq<mode>): Ditto.
14316         (altivec_gt<mode>): Ditto.
14317         (altivec_gtu<mode>): Ditto.
14318         (altivec_eqv4sf): Ditto.
14319         (altivec_gev4sf): Ditto.
14320         (altivec_gtv4sf): Ditto.
14321         (altivec_vcmpbfp_p): Ditto.
14322
14323 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
14324
14325         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
14326         unsigned HWI.
14327
14328 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
14329
14330         PR target/40832
14331         * config/i386/i386.c (output_387_ffreep): Rewrite to use
14332         ASM_SHORT instead of .word.
14333         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
14334         instead of .word in asm template.
14335
14336 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
14337
14338         PR target/37488
14339         * ira-lives.c (bb_has_abnormal_call_pred): New function.
14340         (process_bb_node_lives): Use it.
14341
14342         * ira.c (setup_cover_and_important_classes): Don't setup
14343         ira_important_class_nums.  Add cover classes to the end of
14344         important classes.
14345         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
14346         New.
14347         (find_reg_class_closure): Use reorder_important_classes.
14348
14349         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
14350
14351         * config/i386/i386.c (i386_ira_cover_classes): New function.
14352         (TARGET_IRA_COVER_CLASSES): Redefine.
14353
14354         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
14355         importance of order of cover classes in the array.
14356
14357 2009-07-22  Diego Novillo  <dnovillo@google.com>
14358
14359         * tree-pass.h (TDF_EH): Define.
14360         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
14361         contains TDF_EH, print the EH region number holding GS.
14362         * tree-dump.c (dump_options): Add "eh".
14363         * doc/invoke.texi: Document it.
14364
14365 2009-07-22  Doug Kwan  <dougkwan@google.com>
14366
14367         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
14368
14369 2009-07-22  Michael Matz  <matz@suse.de>
14370
14371         PR tree-optimization/35229
14372         PR tree-optimization/39300
14373
14374         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
14375         (inhibit_phi_insertion): New function.
14376         (insert_into_preds_of_block): Call it for REFERENCEs.
14377         (init_pre): Initialize and finalize scalar evolutions.
14378         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
14379
14380 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
14381
14382         * config/i386/predicates.md (zero_extended_scalar_load_operand):
14383         Use CONST_VECTOR_NUNITS to determine number of elements.
14384
14385 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
14386
14387         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
14388         (U, W): Constraints are now deprecated and will be removed if we
14389         run out of letters.
14390         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
14391         the file.
14392         ("prefetch"): Add the stcmh instruction for prefetching.
14393         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
14394         changes.
14395         (s390_short_displacement): Return always true if compiling for
14396         machines not providing the long displacement facility.
14397         (s390_mem_constraint): Support the new constraint letter Z.
14398         (s390_check_qrst_address): New function.
14399
14400 2009-07-21  DJ Delorie  <dj@redhat.com>
14401
14402         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
14403         alone too.
14404
14405 2009-07-21  Jason Merrill  <jason@redhat.com>
14406
14407         * c-common.c (max_tinst_depth): Increase default to 1024.
14408
14409 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
14410
14411         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
14412         (vec_unpacku_float_lo_v4si): Ditto.
14413
14414 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
14415
14416         PR target/40811
14417         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
14418         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
14419         (builtin_description): Add __builtin_ia32_cvtudq2ps.
14420         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
14421
14422 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
14423
14424         PR tree-optimization/40813
14425         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
14426         it.
14427
14428 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
14429
14430         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
14431         with a NOP_EXPR if needed.
14432
14433 2009-07-21  Paul Brook <paul@codesourcery.com>
14434
14435         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
14436         Terminate debug dump with newline.
14437
14438 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14439
14440         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
14441         Cast "1" to unsigned HOST_WIDE_INT.
14442         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
14443         deposit length to the maximum length - lsb.  Extend length if
14444         HOST_BITS_PER_WIDE_INT is 32.
14445
14446 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
14447
14448         * cgraph.h (constant_pool_htab): New function.
14449         (constant_descriptor_tree): Move from varasm.c.
14450         * varasm.c (constant_pool_htab): New function.
14451         (constant_descriptor_tree): Move to cgraph.h.
14452
14453 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
14454
14455         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
14456
14457 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
14458
14459         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
14460         $(VARRAY_H).
14461
14462 2009-07-20  Xinliang David Li  <davidxl@google.com>
14463
14464         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
14465
14466 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
14467
14468         * config/mips/mips.md (move_type): Add arith.
14469         (type): Handle arith.
14470         (zero_extendsidi2): Rename this into ...
14471         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
14472         (zero_extendsidi2): New expander.
14473         (*zero_extendsidi2_dext): New pattern.
14474
14475 2009-07-20  Nick Clifton  <nickc@redhat.com>
14476
14477         * config.gcc (mips64-*-*): Add definition of tm_defines in order
14478         to set MIPS_ABI_DEFAULT.
14479         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
14480
14481 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
14482
14483         * tree-object-size.c (addr_object_size): Handle unions with
14484         array in it as last field of structs in __bos (, 1) as __bos (, 0).
14485
14486         PR tree-optimization/40792
14487         * tree.c (build_function_type_skip_args): Remove bogus assert.
14488
14489 2009-07-20  Jan Hubicka  <jh@suse.cz>
14490             Martin Jambor  <mjambor@suse.cz>
14491
14492         * cgraph.h (combined_args_to_skip): New field.
14493         * cgraph.c (cgraph_create_virtual_clone): Properly handle
14494         combined_args_to_skip and args_to_skip.
14495         * tree-inline.c (update_clone_info): New function.
14496         (tree_function_versioning): Call update_clone_info.
14497         * cgraphunit.c (cgraph_materialize_clone): Dump materialized
14498         functions.
14499         (cgraph_materialize_all_clones): More extensive dumping, working
14500         with combined_args_to_skip rather than args_to_skip.
14501
14502 2009-07-20  Ira Rosen  <irar@il.ibm.com>
14503
14504         * tree-vectorizer.h (vectorizable_condition): Add parameters.
14505         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
14506         (get_initial_def_for_reduction): Likewise.
14507         (vectorizable_reduction): Skip the check of first operand in case
14508         of COND_EXPR. Add check that it is outer loop vectorization if
14509         nested cycle was detected. Call vectorizable_condition() for
14510         COND_EXPR. If reduction epilogue cannot be created do not fail for
14511         nested cycles (if it is not double reduction). Assert that there
14512         is only one type in the loop in case of COND_EXPR. Call
14513         vectorizable_condition() to vectorize COND_EXPR.
14514         * tree-vect-stmts.c (vectorizable_condition): Update comment.
14515         Add parameters. Allow nested cycles if called from
14516         vectorizable_reduction(). Use reduction vector variable if provided.
14517         (vect_analyze_stmt): Call vectorizable_reduction() before
14518         vectorizable_condition().
14519         (vect_transform_stmt): Update call to vectorizable_condition().
14520
14521 2009-07-20  Christian Bruel  <christian.bruel@st.com>
14522
14523         * config/sh/sh.opt (-mfmovd): Resurrect and document.
14524         * doc/invoke.texi (-mfmovd): Likewise.
14525         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
14526
14527 2009-07-20  Jan Hubicka  <jh@suse.cz>
14528
14529         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
14530         when handling SSA name.
14531
14532 2009-07-19  Jan Hubicka  <jh@suse.cz>
14533
14534         PR tree-optimization/40676
14535         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
14536         virtual PHIs in empty BBs.
14537
14538 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14539
14540         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
14541         re-expanded the compound use gen_lowpart instead to convert to the
14542         desired mode.
14543
14544 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14545
14546         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
14547         OUTER_CONST arguments.
14548         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
14549         the new wider mode will be masked off.
14550         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
14551
14552 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14553
14554         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
14555         high-order bits are zero.
14556
14557 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14558
14559         * combine.c (simplify_shift_const_1): Split code to determine
14560         shift_mode into ...
14561         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
14562         new bits shifted in are identical to the old sign bit.
14563
14564 2009-07-18  Richard Guenther  <rguenther@suse.de>
14565
14566         PR c/40787
14567         * gimplify.c (gimplify_call_expr): Reject code using results from
14568         functions returning void.
14569
14570 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
14571
14572         * doc/md.texi: Document the new PowerPC "es" constraint.
14573         Document that "m" can include automodified addresses on this target,
14574         and explain how %U must be used.  Extend the "Q" and "Z" documentation
14575         to suggest "es" as well as "m".
14576         * config/rs6000/constraints.md (es): New memory constraint.
14577         (Q, Z): Update strings to match new documentation.
14578
14579 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
14580
14581         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
14582         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
14583         * config/rs6000/predicates.md (volatile_mem_operand): Use
14584         offsettable_nonstrict_memref_p.
14585         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
14586         (*floatunssidf2_internal): Likewise.
14587         (*fix_truncdfsi2_internal): Likewise.
14588         (*fix_trunctfsi2_internal): Likewise.
14589
14590 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
14591
14592         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
14593         atmega32u2 devices.
14594         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
14595
14596 2009-07-17  Richard Guenther  <rguenther@suse.de>
14597
14598         PR c/40401
14599         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
14600         (pass_warn_unused_result): Likewise.
14601         (TODO_set_props): Remove.
14602         * omp-low.c (diagnose_omp_structured_block_errors): Change to
14603         run as a pass.
14604         (pass_diagnose_omp_blocks): Define.
14605         * c-decl.c (pop_file_scope): Do not finalize the CU here.
14606         (c_gimple_diagnostics_recursively): Remove.
14607         (finish_function): Do not call it.
14608         (c_write_global_declarations): Continue after errors.
14609         Finalize the CU here.
14610         * c-gimplify.c (c_genericize): Do not gimplify here.
14611         * c-common.c (c_warn_unused_result): Move ...
14612         * tree-cfg.c (do_warn_unused_result): ... here.
14613         (run_warn_unused_result): New function.
14614         (gate_warn_unused_result): New function.
14615         (pass_warn_unused_result): New pass.
14616         * c-common.h (c_warn_unused_result): Remove.
14617         * flags.h (flag_warn_unused_result): Declare.
14618         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
14619         * opts.c (flag_warn_unused_result): Initialize to false.
14620         * toplev.c (compile_file): Add comment.
14621         * omp-low.c (create_omp_child_function): Do not register
14622         the function with the frontend.
14623         (diagnose_omp_structured_block_errors): Prepare to be
14624         called as optimization pass.
14625         (gate_diagnose_omp_blocks): New function.
14626         (pass_diagnose_omp_blocks): New pass.
14627         * cgraph.h (cgraph_optimize): Remove.
14628         (cgraph_analyze_function): Likewise.
14629         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
14630         * cgraphunit.c (cgraph_lower_function): Lower nested functions
14631         before their parents here.
14632         (cgraph_finalize_function): Not here.
14633         (cgraph_analyze_function): Gimplify functions here.
14634         (cgraph_finalize_compilation_unit): Continue after errors.
14635         Optimize the callgraph from here.
14636         (cgraph_optimize): Make static.
14637         * langhooks.c (write_global_declarations): Finalize the CU.
14638         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
14639         (gimplify_function_tree): Assert we gimplify only once.
14640         Set PROP_gimple_any property.
14641         * tree-nested.c (gimplify_all_functions): New function.
14642         (lower_nested_functions): Gimplify all nested functions.
14643         * gimple.h (diagnose_omp_structured_block_errors): Remove.
14644         * passes.c (init_optimization_passes): Add pass_warn_unused_result
14645         and pass_diagnose_omp_blocks after gimplification.  Do not
14646         set TODO_set_props on all_lowering_passes.
14647         (execute_one_pass): Do not handle TODO_set_props.
14648         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
14649         (gimplify.o): Add tree-pass.h dependency.
14650         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
14651         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
14652         (unsave_r): Likewise.
14653         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
14654         temporary variable.
14655
14656 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
14657
14658         * doc/service.texi (Service): Restore previously removed link,
14659         which isn't broken after all.
14660
14661 2009-07-17  Richard Guenther  <rguenther@suse.de>
14662
14663         PR tree-optimization/40321
14664         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
14665         PHI nodes to the maximal set.
14666         (make_values_for_phi): Add PHI arguments to the maximal set.
14667         (execute_pre): Dump PHI_GEN and the maximal set.
14668
14669 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
14670
14671         PR c++/40780
14672         * gimplify.c (gimplify_conversion): Don't change non-conversions into
14673         VIEW_CONVERT_EXPR.
14674
14675 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
14676
14677         * doc/extend.texi (Nested Functions): Replace broken link with
14678         textual reference.
14679         * doc/service.texi (Service): Remove broken link.
14680
14681 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
14682
14683         PR bootstrap/40781
14684         * builtins.c (expand_builtin_memcmp): Use loc instead of
14685         EXPR_LOCATION (exp).
14686         (expand_builtin_strncmp): Likewise.
14687
14688 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
14689             Manuel López-Ibáñez  <manu@gcc.gnu.org>
14690
14691         PR 40435
14692         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
14693         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
14694         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
14695         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
14696         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
14697         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
14698         tree-inline.c, c-common.c, c-common.h, gimple.c,
14699         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
14700         convert.c: Add location argument to fold_{unary,binary,ternary},
14701         fold_build[123], build_call_expr, build_size_arg,
14702         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
14703         fold_build1_initializer, fold_build2_initializer,
14704         fold_build3_initializer, fold_build_call_array,
14705         fold_build_call_array_initializer, fold_single_bit_test,
14706         omit_one_operand, omit_two_operands, invert_truthvalue,
14707         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
14708         combine_comparisons, fold_builtin_*, fold_call_expr,
14709         build_range_check, maybe_fold_offset_to_address, round_up,
14710         round_down.
14711
14712 2009-07-16  Jason Merrill  <jason@redhat.com>
14713
14714         PR libstdc++/37907
14715         * c-common.c (c_common_reswords): Add __is_standard_layout
14716         and __is_trivial.
14717         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
14718         * doc/implement-cxx.texi: New.
14719         * doc/gcc.texi: Include it.
14720
14721 2009-07-16  DJ Delorie  <dj@redhat.com>
14722
14723         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
14724         compares that may be indirectly affected by previous instructions.
14725
14726 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14727
14728         * builtins.c (do_mpc_arg2): New.
14729         (fold_builtin_2): Fold builtin cpow.
14730         * real.h (HAVE_mpc_pow): New.
14731
14732 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
14733
14734         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
14735         comparison to skip unprofitable schedule
14736
14737 2009-07-16  Simon Baldwin  <simonb@google.com>
14738
14739         * gcc.c (option_map): New flag -no-canonical-prefixes.
14740         * (display_help): Print help text for new flag.
14741         * (process_command): Move options translation and language specifics
14742         and handle new flag early.  Use it to set a function pointer to a
14743         prefix builder.  Replace make_relative_prefix calls with calls to
14744         the function pointed to.  Ignore new flag in regular options handling.
14745         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
14746
14747 2009-07-15  DJ Delorie  <dj@redhat.com>
14748
14749         * config/mep/mep.md (sibcall_internal): Change register to avoid
14750         argument registers.
14751         (sibcall_value_internal): Likewise.
14752
14753 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
14754
14755         PR rtl-optimization/40710
14756         * resource.c (mark_target_live_regs): Reset DF problem to LR.
14757
14758 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
14759
14760         * config/mips/mips.md (*extenddi_truncate<mode>,
14761         *extendsi_truncate<mode>): Change type attribute to move_type
14762         with shift_shift.  Split out code handling exts from here ...
14763         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
14764         pattern.
14765         (*extendhi_truncateqi): Change type attribute to move_type with
14766         shift_shift.  Split out code handling exts from here ...
14767         (*extendhi_truncateqi_exts): ... to this new pattern.
14768
14769 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
14770
14771         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
14772         instead of "and" with inverted sign bit mask value.  Use
14773         "nonimmediate_operand" for operand 1 and operand 2 predicate.
14774         Allocate registers only for operand 4 and operand 5.
14775
14776 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
14777
14778         PR middle-end/40747
14779         * fold-const.c (fold_cond_expr_with_comparison): When folding
14780         < and <= to MIN, make sure the MIN uses the same type as the
14781         comparison's operands.
14782
14783 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
14784
14785         * arm.md (ior_xor): New code iterator.
14786         (split for ior/xor with shift and zero-extend): New split pattern.
14787         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
14788
14789 2009-07-15  Richard Guenther  <rguenther@suse.de>
14790
14791         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
14792         offset member.
14793
14794 2009-07-15  Richard Guenther  <rguenther@suse.de>
14795
14796         PR middle-end/40753
14797         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
14798
14799 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
14800
14801         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
14802         handle 2.6.30 kernel.
14803
14804 2009-07-15  DJ Delorie  <dj@redhat.com>
14805
14806         * config/mep/mep.md (sibcall_internal): Change register to allow
14807         for 24-bit addresses.
14808         (sibcall_value_internal): Likewise.
14809
14810 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
14811
14812         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
14813         that are enabled/disabled by the flags introduced by a previous patch.
14814
14815 2009-07-14  DJ Delorie  <dj@redhat.com>
14816
14817         * config/mep/mep.md (sibcall_internal): Include non-toggling
14818         non-jmp case.
14819         (sibcall_value_internal): Likewise.
14820
14821 2009-07-14  Taras Glek  <tglek@mozilla.com>
14822             Rafael Espindola  <espindola@google.com>
14823
14824         * doc/sourcebuild.texi: Document install-plugin target.
14825         * configure.ac: Added install-plugin target to language makefiles.
14826         * configure: Regenerate.
14827         * Makefile.in (install-plugin): Install more headers,
14828         depend on lang.install-plugin.
14829
14830 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14831
14832         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
14833         translation.
14834
14835 2009-07-14  DJ Delorie  <dj@redhat.com>
14836
14837         * config/mep/mep.c (mep_vliw_jmp_match): New function.
14838         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
14839         * config/mep/mep.md (sibcall_internal): Change test from
14840         mep_vliw_mode_match to mep_vliw_jmp_match.
14841         (sibcall_value_internal): Likewise.
14842
14843 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
14844
14845         * config/i386/sse.md (copysign<mode>3): New expander.
14846         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
14847         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
14848         Use ix86_build_const_vector.
14849         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
14850         IX86_BUILTIN_CPYSGNPD.
14851         (builtin_description): Add __builtin_ia32_copysignps and
14852         __builtin_ia32_copysignpd.
14853         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
14854         and BUILT_IN_COPYSIGNF.
14855
14856 2009-07-13  Jason Merrill  <jason@redhat.com>
14857
14858         * builtins.c (can_trust_pointer_alignment): New fn.
14859         (get_pointer_alignment): Factor it out from here.
14860         * tree.h: Declare it.
14861
14862 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
14863
14864         * config/rs6000/predicates.md (offsettable_mem_operand): Test
14865         RTX_AUTOINC class.
14866
14867 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
14868
14869         PR debug/40705
14870         PR c++/403057
14871         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
14872
14873 2009-07-14  Richard Guenther  <rguenther@suse.de>
14874             Andrey Belevantsev <abel@ispras.ru>
14875
14876         PR middle-end/40745
14877         * cfgexpand.c (partition_stack_vars): Do not bother to update
14878         alias information when not optimizing.
14879
14880 2009-07-14  Richard Guenther  <rguenther@suse.de>
14881             Andrey Belevantsev <abel@ispras.ru>
14882
14883         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
14884         (pt_solution_set): Likewise.
14885         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
14886         * tree-ssa-structalias.c (pt_solution_set): New function.
14887         * final.c (rest_of_clean_state): Free SSA data structures.
14888         * print-rtl.c (print_decl_name): Remove.
14889         (print_mem_expr): Implement in terms of print_generic_expr.
14890         * alias.c (ao_ref_from_mem): New function.
14891         (rtx_refs_may_alias_p): Likewise.
14892         (true_dependence): Query alias-export info.
14893         (canon_true_dependence): Likewise.
14894         (write_dependence_p): Likewise.
14895         * tree-dfa.c (get_ref_base_and_extent): For void types leave
14896         size unknown.
14897         * emit-rtl.c (component_ref_for_mem_expr): Remove.
14898         (mem_expr_equal_p): Use operand_equal_p.
14899         (set_mem_attributes_minus_bitpos): Do not use
14900         component_ref_for_mem_expr.
14901         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
14902         (update_alias_info_with_stack_vars): Likewise.
14903         (partition_stack_vars): Call update_alias_info_with_stack_vars.
14904         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
14905         explicitly nor clear stmt operands.
14906         Free the decl-to-pointer map.
14907         * tree-optimize.c (execute_free_datastructures): Do not free
14908         SSA data structures here.
14909         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
14910         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
14911         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
14912         dependencies.
14913         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
14914
14915 2009-07-13  DJ Delorie  <dj@redhat.com>
14916
14917         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
14918         unrolling at the right iteration count.
14919
14920         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
14921         calculations.
14922
14923 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
14924
14925         * haifa-sched.c (rank_for_schedule): Introduced flags to
14926         enable/disable individual scheduling heuristics.
14927         * common.opt: Introduced flags to enable/disable individual
14928         heuristics in the scheduler.
14929         * doc/invoke.texi: Introduced flags to enable/disable individual
14930         heuristics in the scheduler.
14931
14932 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
14933
14934         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
14935         config/i386/mingw-tls.c.
14936         * config/i386/mingw-tls.c: Removed.
14937
14938 2009-07-13  Ira Rosen  <irar@il.ibm.com>
14939
14940         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
14941         checks access only relevant statements.
14942         (vectorizable_reduction): Likewise.
14943
14944 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
14945
14946         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
14947         just for 32-bit case.
14948
14949 2009-07-12  Jan Hubicka  <jh@suse.cz>
14950
14951         PR tree-optimization/40585
14952         * except.c (expand_resx_expr): When there already is resume
14953         instruction, produce linked list.
14954         (build_post_landing_pads): Assert that resume is empty.
14955         (connect_post_landing_pads): Handle resume lists.
14956         (dump_eh_tree): Dump resume list.
14957
14958 2009-07-12  Ira Rosen  <irar@il.ibm.com>
14959
14960         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
14961         with additional argument.
14962         * tree-vectorizer.h (enum vect_def_type): Add
14963         vect_double_reduction_def.
14964         (vect_is_simple_reduction): Add argument.
14965         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
14966         indentation.
14967         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
14968         vect_is_simple_reduction with additional argument.
14969         (vect_analyze_loop_operations): Handle exit phi nodes in case of
14970         double reduction.
14971         (reduction_code_for_scalar_code): Handle additional codes by
14972         returning ERROR_MARK for them. Fix comment and indentation.
14973         (vect_is_simple_reduction): Fix comment, add argument to specify
14974         double reduction. Detect double reduction.
14975         (get_initial_def_for_induction): Fix indentation.
14976         (get_initial_def_for_reduction): Fix comment and indentation.
14977         Handle double reduction. Create initial definitions that do not
14978         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
14979         (vect_create_epilog_for_reduction): Fix comment, add argument to
14980         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
14981         epilogue result extraction. Create double reduction phi node and
14982         replace relevant uses.
14983         (vectorizable_reduction): Call vect_is_simple_reduction with
14984         additional argument. Fix indentation. Update epilogue code treatment
14985         according to the changes in reduction_code_for_scalar_code. Check
14986         for double reduction. Call vect_create_epilog_for_reduction with
14987         additional argument.
14988         * tree-vect-stmts.c (process_use): Handle double reduction, update
14989         documentation.
14990         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
14991         (vect_get_vec_def_for_operand): Likewise.
14992
14993 2009-07-12  Danny Smith  <dansmister@gmail.com>
14994
14995         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
14996         dllexport if !TREE_PUBLIC.
14997         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
14998
14999 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
15000
15001         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
15002         (avr_extra_arch_macro) Remove declatation.
15003         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
15004         (avr_extra_arch_macro) Declare as static.
15005         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
15006
15007 2009-07-11  Jan Hubicka  <jh@suse.cz>
15008
15009         PR middle-end/48388
15010         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
15011
15012 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
15013
15014         PR debug/40713
15015         * dwarf2out.c (dw_fde_struct): Add in_std_section and
15016         cold_in_std_section bits.
15017         (dwarf2out_begin_prologue): Initialize them.
15018         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
15019         if already covered by text_section or cold_text_section range.
15020
15021         PR rtl-optimization/40667
15022         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
15023         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
15024         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
15025         * config/i386/i386.c (ix86_minimum_alignment): New function.
15026         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
15027         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
15028         * emit-rtl.c (gen_reg_rtx): Likewise.
15029         * function.c (assign_parms): Likewise.  If nominal_type needs
15030         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
15031         rather than passed_type's alignment.
15032
15033         PR target/40668
15034         * function.c (assign_parm_setup_stack): Adjust
15035         MEM_OFFSET (data->stack_parm) if promoted_mode is different
15036         from nominal_mode on big endian.
15037
15038 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
15039
15040         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
15041
15042 2009-07-10  DJ Delorie  <dj@redhat.com>
15043
15044         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
15045
15046 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
15047
15048         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
15049         attribute.
15050         (thumb2_cbnz): Likewise.
15051
15052 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
15053
15054         PR target/39079
15055         * config.gcc (supported_defaults): Add synci.
15056         (with_synci): Add validation.
15057         (all_defaults): Add synci.
15058         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
15059         ISA_HAS_SYNCI.
15060         (synci): Same.
15061         * config/mips/mips.opt (msynci): New option.
15062         * config/mips/mips.c (mips_override_options): Warn on use of
15063         -msynci for targets that do now support it.
15064         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
15065         msynci.
15066         * gcc/doc/invoke.texi (-msynci): Document the new option.
15067         * doc/install.texi (--with-synci): Document the new option.
15068
15069 2009-07-10  Richard Guenther  <rguenther@suse.de>
15070
15071         PR tree-optimization/40496
15072         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
15073         the PHI result with a compatible type.
15074
15075 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15076
15077         PR 25509
15078         PR 40614
15079         * c.opt (Wunused-result): New.
15080         * doc/invoke.texi: Document it.
15081         * c-common.c (c_warn_unused_result): Use it.
15082
15083 2009-07-09  DJ Delorie  <dj@redhat.com>
15084
15085         * targhooks.c (default_target_can_inline_p): Rename from
15086         default_target_option_can_inline_p.
15087         * targhooks.h (default_target_can_inline_p): Likewise.
15088         * target-def.h (TARGET_CAN_INLINE_P): Rename from
15089         TARGET_OPTION_CAN_INLINE_P.
15090         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
15091         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
15092         (mep_target_can_inline_p): Rename from
15093         mep_target_option_can_inline_p.
15094
15095         PR target/40626
15096         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
15097         registers used to pass vectors.
15098
15099         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
15100
15101 2009-07-09  Tom Tromey  <tromey@redhat.com>
15102
15103         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
15104         * config/mmix/mmix.c: Include dwarf2.h.
15105         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
15106         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
15107         * config/sh/sh.c: Include dwarf2.h.
15108         * config/i386/i386.c: Include dwarf2.h.
15109         * Makefile.in (DWARF2_H): Remove 'elf'.
15110         * except.c: Include dwarf2.h.
15111         * unwind-dw2.c: Include dwarf2.h.
15112         * dwarf2out.c: Include dwarf2.h.
15113         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
15114         * unwind-dw2-fde.c: Include dwarf2.h.
15115         * dwarf2asm.c: Include dwarf2.h.
15116
15117 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
15118
15119         * haifa-sched.c (insn_finishes_cycle_p): New static function.
15120         (max_issue): Use it.
15121         * sched-int.h (struct sched_info: insn_finishes_block_p): New
15122         scheduler hook.
15123         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
15124         (region_sched_info): Update.
15125         * sched-ebb.c (ebb_sched_info): Update.
15126         * modulo-sched.c (sms_sched_info): Update.
15127         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
15128
15129 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
15130
15131         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
15132
15133 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
15134
15135         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
15136
15137 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
15138
15139         PR middle-end/40692
15140         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
15141         arg1 with arg01 if arg1 is already INTEGER_CST.
15142
15143 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
15144
15145         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
15146         Transform (and (truncate)) into (truncate (and)).
15147
15148 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
15149
15150         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
15151         creating LHS paradoxical subregs.  Fix surrounding returns to
15152         use NULL_RTX rather than 0.
15153
15154 2009-07-08  DJ Delorie  <dj@redhat.com>
15155
15156         * config/mep/mep.c (mep_option_can_inline_p): New.
15157         (TARGET_OPTION_CAN_INLINE_P): Define.
15158
15159 2009-07-08  Mark Wielaard  <mjw@redhat.com>
15160
15161         PR debug/40659
15162         * dwarf2out.c (add_data_member_location_attribute): When we have
15163         only a constant offset don't emit a new location description using
15164         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
15165         dwarf_version > 2.
15166
15167 2009-07-08  Richard Henderson  <rth@redhat.com>
15168
15169         PR target/38900
15170         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
15171         (enum reg_class): Add CLOBBERED_REGS.
15172         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
15173         * config/i386/i386.c (ix86_conditional_register_usage): Moved
15174         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
15175         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
15176         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
15177         force 64-bit sibcalls into R11.
15178         * config/i386/constraints.md (U): New constraint.
15179         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
15180         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
15181         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
15182
15183 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
15184
15185         * basic-block.h (dump_regset, debug_regset): Remove duplicate
15186         prototypes.
15187         * c-objc-common.h (c_initialize_diagnostics): Ditto.
15188         * ebitmap.h (dump_ebitmap): Ditto.
15189         * optabs.h (optab_libfunc): Ditto.
15190         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
15191         * tree-flow.h (vect_can_force_dr_alignment_p,
15192         get_vectype_for_scalar_type): Ditto.
15193         (vectorize_loops): Move prototype to ...
15194         * tree-vectorizer.h: ... here. Also, adjust comment.
15195         (vect_set_verbosity_level): Remove duplicate prototype.
15196         * tree-ssa-loop.c: Include tree-vectorizer.h.
15197         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
15198
15199 2009-07-08  Nick Clifton  <nickc@redhat.com>
15200
15201         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
15202         forward slash.
15203
15204 2009-07-08  DJ Delorie  <dj@redhat.com>
15205
15206         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
15207         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
15208         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
15209         written to.
15210         * config/mep/intrinsics.md: Regenerated.
15211         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
15212         registers when asm() or calls are detected.
15213
15214 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15215
15216         PR c++/31246
15217         * gimplify.c (gimplify_expr): Propagate no_warning flag when
15218         gimplifying.
15219         * gimple (gimple_build_call_from_tree): Likewise.
15220         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
15221         no_warning flag before warning.
15222
15223 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15224
15225         * tree.c (set_expr_locus): Remove.
15226         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
15227         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
15228         EXPR_LOCATION.
15229         * gimplify.c (internal_get_tmp_var): Likewise.
15230         (gimplify_call_expr): Likewise.
15231         (gimplify_one_sizepos): Likewise.
15232
15233 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
15234
15235         PR debug/40666
15236         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
15237         to variables for debugging purposes.
15238
15239 2009-06-23  Mark Loeser  <mark@halcy0n.com>
15240
15241         PR build/40010
15242         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
15243
15244 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15245
15246         * pretty-print.c (pp_base_format): Remove %J.
15247         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
15248         gcc_cxxdiag_char_table): Likewise.
15249         (init_dynamic_diag_info): Likewise.
15250
15251 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15252
15253         * pretty-print.c (pp_base_format): Remove %H.
15254         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
15255         gcc_cxxdiag_char_table): Likewise.
15256         (init_dynamic_diag_info): Likewise.
15257         * config/mep/mep.c (mep_select_section): Likewise.
15258
15259 2009-07-07  Duncan Sands  <baldrick@free.fr>
15260
15261         * final.c (pass_clean_state): Give the pass a name.
15262         * passes.c (pass_rest_of_compilation): Likewise.
15263         * tree-optimize.c (pass_all_optimizations): Likewise.
15264
15265 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
15266
15267         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
15268         an extra 'decl' for error_at.
15269
15270 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
15271
15272         PR middle-end/40669
15273         * tree-tailcall.c (adjust_return_value_with_ops,
15274         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
15275         if it has complex or vector type.
15276
15277 2009-07-07  Olivier Hainque  <hainque@adacore.com>
15278
15279         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
15280         pthread symbols.
15281
15282 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
15283
15284         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
15285
15286 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15287
15288         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
15289         * c-decl.c: Likewise.
15290         * function.c: Likewise.
15291         * varasm.c: Likewise.
15292         * tree-ssa.c: Likewise.
15293         * c-common.c: Likewise.
15294         * tree-cfg.c: Likewise.
15295         * config/spu/spu.c: Likewise.
15296         * config/ia64/ia64.c: Likewise.
15297         * config/v850/v850.c: Likewise.
15298
15299 2009-07-06  DJ Delorie  <dj@redhat.com>
15300
15301         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
15302         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
15303         unspecified accesses to control registers.
15304         * config/mep/intrinsics.md: Regenerate.
15305         * config/mep/intrinsics.h: Regenerate.
15306         * config/mep/mep-intrin.h: Regenerate.
15307
15308 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15309
15310         * c-lex.c: Replace %H by an explicit location. Update all calls.
15311         * c-common.c: Likewise.
15312         * c-decl.c: Likewise.
15313         * c-typeck.c: Likewise.
15314         * fold-const.c: Likewise.
15315         * gimplify.c: Likewise.
15316         * stmt.c: Likewise.
15317         * tree-cfg.c: Likewise.
15318         * tree-ssa-loop-niter.c: Likewise.
15319         * tree-vrp.c: Likewise.
15320         * value-prof.c: Likewise.
15321
15322 2009-07-06  Diego Novillo  <dnovillo@google.com>
15323
15324         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
15325         if it has one.  Handle cases where VAR does not have an
15326         annotation or cfun is NULL.
15327
15328 2009-07-06  Diego Novillo  <dnovillo@google.com>
15329
15330         * tree.c: Include debug.h.
15331         (initialize_tree_contains_struct): New.
15332         (init_ttree): Call it.
15333         (tree_node_structure_for_code): Factor out of ...
15334         (tree_node_structure): ... here.
15335         * treestruct.def (TS_PHI_NODE): Remove.
15336         (TS_GIMPLE_STATEMENT): Remove.
15337
15338 2009-07-06  Diego Novillo  <dnovillo@google.com>
15339
15340         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
15341         (debug_tree_chain): Handle cycles.
15342
15343 2009-07-06  Nick Clifton  <nickc@redhat.com>
15344             DJ Delorie  <dj@redhat.com>
15345
15346         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
15347         __FMOVD_ENABLED__ is defined.
15348         * config/sh/sh.h
15349         (TARGET_FMOVD): Provide a default definition.
15350         (MASK_FMOVD): Likewise.
15351         (TARGET_CPU_CPP_BUILTINS): Define
15352         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
15353         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
15354         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
15355         (split for DF load from memory into register): Also handle
15356         MEMs which consist of REG+DISP addressing.
15357         (split for DF store from register to memory): Likewise.
15358         (movsf_ie): Always use single fp_mode.
15359         * config/sh/sh.c (sh_override_options): Do not automatically
15360         enable TARGET_MOVD for the SH2A when supporting doubles - leave
15361         that to the -mfmovd command line switch.
15362         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
15363         (fldi_ok): Always allow.
15364         * config/sh/sh.opt (mfmovd): Remove this switch.
15365         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
15366
15367 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
15368             Kaz Kojima  <kkojima@gcc.gnu.org>
15369
15370         PR rtl-optimization/30807
15371         * postreload.c (reload_combine): For every new use of REG_SUM,
15372         record the use of BASE.
15373
15374 2009-07-06  Jan Hubicka  <jh@suse.cz>
15375
15376         * params.def: Revert my accidental commit at 2009-06-30.
15377
15378 2009-07-04  Ian Lance Taylor  <iant@google.com>
15379
15380         PR target/40636
15381         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
15382         EXPORTED_CONST.
15383         (mingw_format_attribute_overrides): Likewise.
15384
15385 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
15386
15387         PR debug/40596
15388         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
15389         don't check cfa.reg.  Instead of cfa.indirect use
15390         fde && fde->drap_reg != INVALID_REGNUM test.
15391
15392 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
15393
15394         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
15395
15396 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
15397
15398         PR target/40587
15399         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
15400
15401 2009-07-03  Richard Guenther  <rguenther@suse.de>
15402
15403         PR tree-optimization/40640
15404         * tree-switch-conversion.c (build_arrays): Perform arithmetic
15405         in original type.
15406
15407 2009-07-03  Jan Hubicka  <jh@suse.cz>
15408
15409         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
15410         for size, reduce amount of inlining.
15411
15412 2009-07-03  Richard Guenther  <rguenther@suse.de>
15413
15414         PR middle-end/34163
15415         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
15416         if t +- x is known to not overflow and the conversion widens the
15417         operation.
15418         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
15419
15420 2009-07-03  Jan Hubicka  <jh@suse.cz>
15421
15422         * ipa-pure-const.c (analyze): Update loop optimizer init.
15423         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
15424         try_remove_empty_loop, remove_empty_loops): Remove.
15425         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
15426         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
15427         to mark regular loops as neccesary.
15428         (degenerate_phi_p): New function.
15429         (propagate_necessity, remove_dead_phis): Use it.
15430         (forward_edge_to_pdom): Likewise.
15431         (eliminate_unnecessary_stmts): Take care to remove uses of results of
15432         virtual PHI nodes that became unreachable.
15433         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
15434         * tree-flow.h (remove_empty_loops): Remove.
15435         * passes.c (init_optimization_passes): Remove.
15436
15437 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
15438
15439         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
15440         can_create_pseudo_p.
15441         (*fix_trunc<mode>_i387_1): Ditto.
15442         (*floathi<mode>2_1): Ditto.
15443         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
15444         (*fistdi2_1): Ditto.
15445         (*fist<mode>2_1): Ditto.
15446         (frndintxf2_floor): Ditto.
15447         (*fist<mode>2_floor_1): Ditto.
15448         (frndintxf2_ceil): Ditto.
15449         (*fist<mode>2_ceil_1): Ditto.
15450         (frndintxf2_trunc): Ditto.
15451         (frndintxf2_mask_pm): Ditto.
15452         (fxam<mode>2_i387_with_temp): Ditto.
15453         * config/i386/sse.md (mulv16qi3): Ditto.
15454         (*sse2_mulv4si3): Ditto.
15455         (mulv2di3): Ditto.
15456         (sse4_2_pcmpestr): Ditto.
15457         (sse4_2_pcmpistr): Ditto.
15458
15459 2009-07-03  Jan Hubicka  <jh@suse.cz>
15460
15461         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
15462         (mark_stmt_necessary): Set it.
15463         (mark_operand_necessary): Set it.
15464         (mark_control_dependent_edges_necessary): Set it.
15465         (mark_virtual_phi_result_for_renaming): New function.
15466         (get_live_post_dom): New function.
15467         (forward_edge_to_pdom): New function.
15468         (remove_dead_stmt): Fix handling of control dependences.
15469         (tree_dce_init): Init new bitmap.
15470         (tree_dce_done): Free it.
15471
15472 2009-07-02  Richard Guenther  <rguenther@suse.de>
15473
15474         PR bootstrap/40617
15475         * tree-ssa-structalias.c (new_var_info): Initialize
15476         is_restrict_var.
15477
15478 2009-07-02  Jan Hubicka  <jh@suse.cz>
15479
15480         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
15481         local.
15482
15483 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
15484
15485         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
15486         instead of recomputing it.  Adjust calls.
15487         (emit_store_flag): Adjust recursive calls.
15488
15489 2009-07-02  Richard Guenther  <rguenther@suse.de>
15490
15491         * tree-ssa-live.c (remove_unused_locals): Do not remove
15492         heap variables.
15493         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
15494         of DECL_EXTERNAL for HEAP variables.
15495         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
15496         HEAP variables.  Do not adjust RESTRICT vars.
15497         (find_what_var_points_to): Nobody cares if something
15498         points to READONLY.
15499
15500 2009-07-02  Ben Elliston  <bje@au.ibm.com>
15501
15502         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
15503         pc_low and pc_high declarations to the top of the function.
15504
15505 2009-07-01  DJ Delorie  <dj@redhat.com>
15506
15507         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
15508         registers as fixed.
15509         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
15510         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
15511         unspecified accesses to control registers.
15512         * config/mep/intrinsics.md: Regenerate.
15513         * config/mep/intrinsics.h: Regenerate.
15514         * config/mep/mep-intrin.h: Regenerate.
15515
15516 2009-07-01  Anthony Green  <green@moxielogic.com>
15517
15518         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
15519         instruction when possible.
15520         (moxie_expand_prologue): Ditto.  Also, save an instruction and
15521         some complexity by popping off of $r12 instead of $sp.
15522         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
15523         operands.
15524
15525 2009-07-01  Richard Henderson  <rth@redhat.com>
15526
15527         PR bootstrap/40347
15528         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
15529         contained no insns, reposition note before last insn.
15530
15531 2009-07-01  Richard Henderson  <rth@redhat.com>
15532
15533         PR debug/40431
15534         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
15535         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
15536
15537 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
15538
15539         PR bootstrap/40558
15540         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
15541         darwin9 for printing reg addresses with %y.
15542
15543 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
15544
15545         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
15546         truncation from operands in binary operations.
15547
15548 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
15549
15550         Revert:
15551         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
15552         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
15553         subreg of op0 to the original op0.
15554
15555         * expmed.c (store_bit_field_1): Use a temporary as the destination
15556         instead of a paradoxical subreg when we need to truncate the result.
15557
15558 2009-07-01  DJ Delorie  <dj@redhat.com>
15559
15560         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
15561         names to VLIW variants.
15562         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
15563         * config/mep/intrinsics.md: Regenerate.
15564         * config/mep/intrinsics.h: Regenerate.
15565         * config/mep/mep-intrin.h: Regenerate.
15566
15567 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
15568
15569         PR debug/40462
15570         * jump.c (returnjump_p): Revert last patch.
15571         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
15572
15573 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15574
15575         PR target/40575
15576         * pa.md (casesi32p): Use jump table label to determine the offset
15577         of the jump table.
15578         (casesi64p): Likewise.
15579
15580         * pa.c (forward_branch_p): Return bool type.  Use instruction
15581         addresses when available.  Assert that INSN has a jump label.
15582         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
15583         have a jump label.
15584
15585 2009-07-01  Richard Guenther  <rguenther@suse.de>
15586
15587         PR tree-optimization/19831
15588         * tree-ssa-dce.c (propagate_necessity): Calls to functions
15589         that only act as barriers do not make any previous stores necessary.
15590         * tree-ssa-structalias.c (handle_lhs_call): Delay making
15591         HEAP variables global, do not add a constraint from nonlocal.
15592         (find_func_aliases): Handle escapes through return statements.
15593         (compute_points_to_sets): Make escaped HEAP variables global.
15594
15595 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
15596
15597         PR bootstrap/40597
15598         * expmed.c (emit_store_flag): Perform a conversion if necessary,
15599         after reducing a DImode cstore to SImode.
15600
15601 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
15602
15603         * expr.c (expand_expr_real_1): Reinstate fallthrough to
15604         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
15605
15606 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
15607
15608         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
15609         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
15610         to 0.
15611         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
15612         and umod_optab if TARGET_BSD_DIVMOD.
15613         * config/vax/lib1funcs.asm: New file.
15614         * config/vax/t-linux: New file.
15615         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
15616
15617 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
15618
15619         PR c++/40566
15620         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
15621         to type arguments that have void type.
15622
15623         PR debug/40573
15624         * dwarf2out.c (gen_formal_parameter_die): Call
15625         equate_decl_number_to_die if node is different from origin.
15626
15627 2009-06-30  Anthony Green  <green@moxielogic.com>
15628
15629         Clean up moxie port for --enable-build-with-cxx.
15630         * config/moxie/moxie.c (moxie_function_value): First two
15631         parameters are const_tree, not tree.
15632         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
15633         (REG_CLASS_NAMES): Ditto.
15634         (REGNO_REG_CLASS): Ditto.
15635         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
15636         (moxie_function_value): Fix constyness of arguments.
15637
15638 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
15639
15640         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
15641         finalize_size_functions before further processing.
15642         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
15643         (variable_size): Call self_referential_size on size expressions
15644         that contain a PLACEHOLDER_EXPR.
15645         (size_functions): New static variable.
15646         (copy_self_referential_tree_r): New static function.
15647         (self_referential_size): Likewise.
15648         (finalize_size_functions): New global function.
15649         * tree.c: Include tree-inline.h.
15650         (push_without_duplicates): New static function.
15651         (find_placeholder_in_expr): New global function.
15652         (substitute_in_expr) <tcc_declaration>: Return the replacement object
15653         on equality.
15654         <tcc_expression>: Likewise.
15655         <tcc_vl_exp>: If the replacement object is a constant, try to inline
15656         the call in the expression.
15657         * tree.h (finalize_size_functions): Declare.
15658         (find_placeholder_in_expr): Likewise.
15659         (FIND_PLACEHOLDER_IN_EXPR): New macro.
15660         (substitute_placeholder_in_expr): Update comment.
15661         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
15662         is true.
15663         (copy_tree_body_r): Likewise.
15664         (copy_tree_body): New static function.
15665         (maybe_inline_call_in_expr): New global function.
15666         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
15667         (maybe_inline_call_in_expr): Declare.
15668         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
15669         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
15670         GIMPLE_H.
15671
15672 2009-06-30  Richard Guenther  <rguenther@suse.de>
15673
15674         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
15675         continue walking.
15676         (propagate_necessity): Do not mark reaching defs of stores
15677         as necessary.
15678
15679 2009-06-30  Jan Hubicka  <jh@suse.cz>
15680
15681         * cfgloopanal.c (check_irred): Move into ...
15682         (mark_irreducible_loops): ... here; return true if ireducible
15683         loops was found.
15684         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
15685         (analyze_function): Try to prove loop finiteness.
15686         * cfgloop.h (mark_irreducible_loops): Update prototype.
15687         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
15688
15689 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
15690
15691         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
15692
15693 2009-06-30  Ira Rosen  <irar@il.ibm.com>
15694
15695         PR tree-optimization/40542
15696         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
15697         types.
15698
15699 2009-06-30  Martin Jambor  <mjambor@suse.cz>
15700
15701         PR tree-optimization/40582
15702         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
15703         than useless_type_conversion_p.
15704         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
15705         proper place.
15706
15707 2009-06-30  Martin Jambor  <mjambor@suse.cz>
15708
15709         PR middle-end/40554
15710         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
15711
15712 2009-06-30  Richard Guenther  <rguenther@suse.de>
15713
15714         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
15715         use ao_ref references.
15716         (walk_aliased_vdefs): Likewise.
15717         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
15718         * tree-ssa-dce.c (struct ref_data): Remove.
15719         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
15720         (mark_aliased_reaching_defs_necessary): Adjust.
15721         (mark_all_reaching_defs_necessary_1): Likewise.
15722
15723 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
15724
15725         PR boostrap/40597
15726         * expmed.c (emit_cstore): New name of emit_store_flag_1.
15727         (emit_store_flag_1): Extract from emit_store_flag, adjust
15728         calls to (what now is) emit_cstore.
15729         (emit_store_flag): Call emit_store_flag_1 and also use it
15730         for what used to be recursive calls.
15731
15732 2009-06-30  Wei Guozhi  <carrot@google.com>
15733
15734         PR/40416
15735         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
15736         if the target bb post dominates from bb.
15737         * config/i386/i386.c (memory_address_length): Check existence of base
15738         register before using it.
15739
15740 2009-06-30  Nick Clifton  <nickc@redhat.com>
15741             DJ Delorie  <dj@redhat.com>
15742
15743         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
15744         __FMOVD_ENABLED__ is defined.
15745         * config/sh/sh.h
15746         (TARGET_FMOVD): Provide a default definition.
15747         (MASK_FMOVD): Likewise.
15748         (TARGET_CPU_CPP_BUILTINS): Define
15749         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
15750         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
15751         two fmov instructions depending upon whether TARGET_FMOVD is
15752         enabled.
15753         (split for DF load from memory into register): Also handle
15754         MEMs which consist of REG+DISP addressing.
15755         (split for DF store from register to memory): Likewise.
15756         * config/sh/sh.opt (mfmovd): Remove this switch.
15757         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
15758         * config/sh/sh.c (sh_override_options): Do not automatically
15759         enable TARGET_MOVD for the SH2A when supporting doubles - leave
15760         that to the -mfmovd command line switch.
15761
15762         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
15763         the SH4 and SH4A.
15764         (fldi_ok): Always allow.
15765         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
15766
15767 2009-06-29  DJ Delorie  <dj@redhat.com>
15768
15769         * doc/install.texi (mep-x-elf): Correct chip's full name.
15770
15771 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
15772
15773         * doc/extend.texi: Fix typo.
15774
15775 2009-06-29  Tom Tromey  <tromey@redhat.com>
15776
15777         * dwarf2.h: Remove.
15778         * Makefile.in (DWARF2_H): New variable.
15779         (except.o): Use it.
15780         (dwarf2out.o): Likewise.
15781         (dwarf2asm.o): Likewise.
15782         * config/i386/t-i386: Use DWARF2_H.
15783         * except.c: Include elf/dwarf2.h.
15784         * unwind-dw2.c: Include elf/dwarf2.h.
15785         * dwarf2out.c: Include elf/dwarf2.h.
15786         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
15787         <dtprel>: New field.
15788         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
15789         (size_of_loc_descr): Likewise.
15790         (output_loc_operands_raw): Likewise.
15791         (output_loc_operands): Handle new dtprel field.
15792         (loc_checksum): Update.
15793         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
15794         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
15795         * unwind-dw2-fde.c: Include elf/dwarf2.h.
15796         * dwarf2asm.c: Include elf/dwarf2.h.
15797         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
15798         * config/mmix/mmix.c: Include elf/dwarf2.h.
15799         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
15800         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
15801         * config/sh/sh.c: Include elf/dwarf2.h.
15802         * config/i386/i386.c: Include elf/dwarf2.h.
15803
15804 2009-06-29  DJ Delorie  <dj@redhat.com>
15805
15806         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
15807
15808         * doc/extend.texi: Add MeP attributes and pragmas.
15809         * doc/invoke.text: Add MeP Options.
15810         * doc/contrib.texi: Add MeP contribution.
15811         * doc/md.texi: Add MeP constraints.
15812         * doc/install.texi: Add MeP target.
15813
15814 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
15815
15816         * target.h (struct gcc_target): Add frame_pointer_required field.
15817         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
15818         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
15819         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
15820         hook.
15821         * reload1.c (update_eliminables): (Ditto.).
15822         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
15823         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
15824         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
15825
15826         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
15827
15828         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
15829         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15830         (arm_frame_pointer_required): New function.
15831
15832         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
15833         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15834         (avr_frame_pointer_required_p): Declare as static.
15835         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
15836
15837         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
15838         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15839         (bfin_frame_pointer_required): Make as static, change return type
15840         to bool.
15841         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
15842
15843         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
15844         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15845         (cris_frame_pointer_required): New function.
15846
15847         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
15848
15849         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
15850         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15851         (fr30_frame_pointer_required): New function.
15852
15853         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
15854         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15855         (frv_frame_pointer_required): Make as static, change return type
15856         to bool.
15857         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
15858
15859         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
15860         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15861         (ix86_frame_pointer_required): Make as static, change return type to
15862         bool.
15863         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
15864
15865         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
15866         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15867
15868         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
15869
15870         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
15871
15872         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
15873
15874         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
15875         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15876         (mips_frame_pointer_required): Make as static.
15877         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
15878
15879         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
15880         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15881         (mmix_frame_pointer_required): Mew function.
15882
15883         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
15884         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15885
15886         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
15887
15888         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
15889
15890         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
15891
15892         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
15893         (CAN_ELIMINATE): Redefine.
15894         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15895         (sparc_frame_pointer_required): New function.
15896         (sparc_can_eliminate): New function.
15897         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
15898
15899         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
15900         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15901
15902         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
15903         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15904         (xtensa_frame_pointer_required): Make as static, change return type
15905         to bool.
15906         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
15907         Remove.
15908
15909 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
15910
15911         * doc/plugins.texi: Document PLUGIN_START_UNIT.
15912         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
15913         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
15914         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
15915         (register_callback): Handle PLUGIN_START_UNIT.
15916         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
15917
15918 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
15919
15920         * tree.c (process_call_operands): Propagate TREE_READONLY from the
15921         operands.
15922         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
15923         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
15924
15925 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
15926
15927         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
15928         move cost.
15929
15930 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
15931
15932         * doc/extend.texi (Additional Floating Types): __float128 is also
15933         supported on i386 targets.
15934
15935 2009-06-29  Richard Guenther  <rguenther@suse.de>
15936
15937         PR middle-end/14187
15938         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
15939         flag.
15940         (pt_solutions_same_restrict_base): Declare.
15941         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
15942         flag.
15943         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
15944         (make_constraint_from, make_copy_constraint): Move earlier.
15945         (make_constraint_from_heapvar): New function.
15946         (make_constraint_from_restrict): Likewise.
15947         (handle_lhs_call): Use it.
15948         (find_func_aliases): Use it to track conversions to restrict
15949         qualified pointers.
15950         (struct fieldoff): Add only_restrict_pointers flag.
15951         (push_fields_onto_fieldstack): Initialize it.
15952         (create_variable_info_for): Track global restrict qualified pointers.
15953         (intra_create_variable_infos): Use make_constraint_from_heapvar.
15954         Track restrict qualified pointer arguments.
15955         (set_uids_in_ptset): Use varinfo is_global_var flag.
15956         (find_what_var_points_to): Set the vars_contains_restrict flag.
15957         Always create the points-to solution for sets including restrict tags.
15958         (pt_solutions_same_restrict_base): New function.
15959         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
15960         qualified pointers use pt_solutions_same_restrict_base as
15961         additional source for disambiguation.
15962
15963 2009-06-29  Richard Guenther  <rguenther@suse.de>
15964
15965         PR middle-end/38212
15966         * alias.c (find_base_decl): Remove.
15967         (get_deref_alias_set_1): Remove restrict handling.
15968         * c-common.c (c_apply_type_quals_to_decl): Do not set
15969         DECL_POINTER_ALIAS_SET.
15970         * gimplify.c (find_single_pointer_decl_1): Remove.
15971         (find_single_pointer_decl): Likewise.
15972         (internal_get_tmp_var): Remove restrict handling.
15973         (gimple_regimplify_operands): Likewise.
15974         * omp-low.c (expand_omp_atomic_pipeline): Do not set
15975         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
15976         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
15977         * tree.c (restrict_base_for_decl): Remove.
15978         (init_ttree): Do not allocate it.
15979         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
15980         LABEL_DECL_UID for label decls.
15981         (copy_node_stat): Do not copy restrict information.
15982         (decl_restrict_base_lookup): Remove.
15983         (decl_restrict_base_insert): Likewise.
15984         (print_restrict_base_statistics): Likewise.
15985         (dump_tree_statistics): Do not call print_restrict_base_statistics.
15986         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
15987         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
15988         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
15989         (LABEL_DECL_UID): Adjust.
15990         (DECL_BASED_ON_RESTRICT_P): Remove.
15991         (DECL_GET_RESTRICT_BASE): Likewise.
15992         (SET_DECL_RESTRICT_BASE): Likewise.
15993         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
15994
15995         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
15996         instead of DECL_POINTER_ALIAS_SET.
15997         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
15998         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
15999         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
16000
16001 2009-06-29  Richard Guenther  <rguenther@suse.de>
16002
16003         PR tree-optimization/40579
16004         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
16005         the IL to simplify has constants that overflowed.
16006
16007 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
16008
16009         PR tree-optimization/40550
16010         * tree-vect-generic.c (expand_vector_operations_1): Compute in
16011         vector_compute_type only when the size of vector_compute_type is
16012         less than the size of type.
16013
16014 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
16015
16016         * fold-const.c (contains_label_1): Fix comments.
16017         (contains_label_p): Do not walk trees multiple time.
16018
16019 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
16020
16021         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
16022         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
16023         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
16024         ix86_fp_comparison_operator.
16025         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
16026         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
16027         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
16028         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
16029         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
16030         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
16031         (related splits): Change predicate to ix86_fp_comparison_operator.
16032         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
16033         instead of ix86_fp_comparison_codes.
16034         (ix86_trivial_fp_comparison_operator,
16035         ix86_fp_comparison_operator): New.
16036         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
16037         (ix86_expand_compare): Eliminate last two parameters.
16038         (ix86_fp_jump_nontrivial_p): Kill.
16039         * config/i386/i386.c (put_condition_code): Eliminate call to
16040         ix86_fp_comparison_codes and subsequent assertion.
16041         (ix86_fp_comparison_codes): Eliminate.
16042         (ix86_fp_swap_condition): New.
16043         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
16044         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
16045         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
16046         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
16047         and ix86_fp_swap_condition.
16048         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
16049         Use ix86_fp_comparison_strategy.
16050         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
16051         (ix86_fp_jump_nontrivial_p): Eliminate.
16052         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
16053         call to ix86_expand_compare.
16054         (ix86_split_fp_branch, ix86_expand_setcc,
16055         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
16056         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
16057
16058 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
16059
16060         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
16061         related to jump_clobbers.
16062         * config/arm/arm.md (conds): Remove jump_clob case.
16063         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
16064         splits): Change comparison_operator to arm_comparison_operator.
16065         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
16066         Eliminate.
16067
16068 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
16069
16070         * dojump.c (do_compare_rtx_and_jump): Try swapping the
16071         condition for floating point modes.
16072         * expmed.c (emit_store_flag_1): Move here a bigger part
16073         of emit_store_flag.
16074         (emit_store_flag): Try swapping the condition for floating point
16075         modes.
16076         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
16077
16078 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
16079
16080         * expr.c (expand_expr_real_1): Just use do_store_flag.
16081         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
16082         emit_store_flag_force.
16083         * expmed.c (emit_store_flag_force): Copy here trick
16084         previously in expand_expr_real_1.  Try reversing the comparison.
16085         (emit_store_flag_1): Work if target is NULL.
16086         (emit_store_flag): Work if target is NULL, using the result mode
16087         from the comparison.  Use split_comparison, restructure final part
16088         to simplify conditionals.
16089
16090 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
16091
16092         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
16093         * dojump.c (do_jump): Change handling of floating-point
16094         ops to use just do_compare_and_jump.
16095         (split_comparison): New.
16096         (do_compare_rtx_and_jump): Add here logic coming previously
16097         in do_jump, using split_comparison.
16098
16099 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
16100
16101         PR target/40489
16102         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
16103
16104 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16105
16106         * tree-ssa-alias.c: Fix unintentional commit.
16107
16108 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16109
16110         * passes.c (execute_one_pass): Fix unintentional commit.
16111
16112 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16113
16114         * df-problems.c (df_set_seen, df_unset_seen): Delete.
16115         (df_rd_local_compute, df_md_local_compute): Inline them.
16116
16117         (df_md_scratch): New.
16118         (df_md_alloc, df_md_free): Allocate/free it.
16119         (df_md_local_compute): Only include live registers in init.
16120         (df_md_transfer_function): Prune the in-set computed by
16121         the confluence function, and the gen-set too.
16122
16123 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16124
16125         PR rtl-optimization/26854
16126         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
16127         * df-problems.c (df_rd_add_problem): Fix comment.
16128         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
16129         df_md_simulate_artificial_defs_at_top,
16130         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
16131         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
16132         df_md_transfer_function, df_md_init, df_md_confluence_0,
16133         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
16134         problem_MD, df_md_add_problem): New.
16135         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
16136         df_md_get_bb_info): New.
16137         (DF_LAST_PROBLEM_PLUS1): Adjust.
16138
16139         * Makefile.in (fwprop.o): Include domwalk.h.
16140         * fwprop.c: Include domwalk.h.
16141         (reg_defs, reg_defs_stack): New.
16142         (bitmap_only_bit_between): Remove.
16143         (process_defs): New.
16144         (process_uses): Use reg_defs and local_md instead of
16145         bitmap_only_bit_between and local_rd.
16146         (single_def_use_enter_block): New, from build_single_def_use_links.
16147         (single_def_use_leave_block): New.
16148         (build_single_def_use_links): Remove code moved to
16149         single_def_use_enter_block, invoke domwalk.
16150         (use_killed_between): Adjust comment.
16151
16152 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16153
16154         * bitmap.h (bitmap_ior_and_into): New.
16155         * bitmap.c (bitmap_ior_and_into): New.
16156
16157 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16158
16159         * domwalk.h (struct dom_walk_data): Remove all callbacks except
16160         before_dom_children_before_stmts and after_dom_children_after_stmts.
16161         Rename the two remaining callbacks to just before_dom_children and
16162         after_dom_children. Remove other GIMPLE statement walking bits.
16163         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
16164         * graphite.c: Do not include domwalk.h.
16165         * tree-into-ssa.c (interesting_blocks): New global.
16166         (struct mark_def_sites_global_data): Remove it and names_to_rename.
16167         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
16168         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
16169         now that they're not domwalk callbacks.
16170         (rewrite_initialize_block): Rename to...
16171         (rewrite_enter_block): ... this, place after called functions.  Test
16172         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
16173         (rewrite_finalize_block): Rename to...
16174         (rewrite_leave_block): ... this, place after called functions.
16175         (rewrite_update_init_block): Rename to...
16176         (rewrite_update_enter_block): ... this, place after called functions.
16177         Test interesting_blocks, call rewrite_update_stmt and
16178         rewrite_update_phi_arguments.
16179         (rewrite_update_fini_block): Rename to...
16180         (rewrite_leave_block): ... this, place after called functions.
16181         (rewrite_blocks): Remove last argument, simplify initialization of
16182         walk_data.
16183         (mark_def_sites_initialize_block): Rename to...
16184         (mark_def_sites_block): ... this, call mark_def_sites.
16185         (mark_def_sites_blocks): Remove argument, simplify initialization of
16186         walk_data.
16187         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
16188         (update_ssa): Likewise.
16189         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
16190         callback.
16191         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
16192         (dom_opt_initialize_block): Rename to...
16193         (dom_opt_enter_block): ... this, place after called functions.  Walk
16194         statements here, inline propagate_to_outgoing_edges.
16195         (dom_opt_finalize_block): Rename to...
16196         (dom_opt_leave_block): ... this, place after called functions.
16197         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
16198         domwalk callback.
16199         (dse_enter_block, dse_record_phi): New.
16200         (dse_record_phis): Delete.
16201         (dse_finalize_block): Rename to...
16202         (dse_leave_block): ... this.
16203         (tree_ssa_dse): Simplify initialization of walk_data.
16204         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
16205         Adjust initialization of walk_data.
16206         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
16207         * tree-ssa-loop-phiopt.c (get_non_trapping):
16208         Adjust initialization of walk_data.
16209         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
16210         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
16211         it's not a domwalk callback.
16212         (uncprop_initialize_block): Rename to...
16213         (dse_enter_block): ... this, call uncprop_into_successor_phis.
16214         (dse_finalize_block): Rename to...
16215         (dse_leave_block): ... this.
16216         (tree_ssa_uncprop): Simplify initialization of walk_data.
16217         * Makefile.in: Adjust dependencies.
16218
16219 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
16220
16221         * arm.md (casesi): Fix test for Thumb1.
16222         (thumb1_casesi_internal_pic): Likewise.
16223         (thumb1_casesi_dispatch): Likewise.
16224
16225 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
16226
16227         * config/arm/arm-cores.def: Added core cortex-m0.
16228         * config/arm/arm-tune.md: Regenerated.
16229         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
16230
16231 2009-06-26  DJ Delorie  <dj@redhat.com>
16232
16233         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
16234
16235         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
16236         the scheduler doesn't tag jump insns.
16237
16238 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
16239
16240         * c-decl.c (merge_decls): Re-indent.
16241
16242 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
16243
16244         PR c/39902
16245         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
16246         Special-case decimal float constants.
16247
16248 2009-06-26  Richard Henderson  <rth@redhat.com>
16249
16250         * function.h (struct function): Add cannot_be_copied_reason,
16251         and cannot_be_copied_set.
16252         * tree-inline.c (has_label_address_in_static_1): Rename from
16253         inline_forbidden_p_2; don't set inline_forbidden_reason here.
16254         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
16255         don't set inline_forbidden_reason.
16256         (copy_forbidden): New function, split out of inline_forbidden_p.
16257         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
16258         (inline_forbidden_p): Use copy_forbidden.
16259         (tree_versionable_function_p): Likewise.
16260         (inlinable_function_p): Merge into tree_inlinable_function_p.
16261         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
16262         * ipa-cp.c (ipcp_versionable_function_p): New function.
16263         (ipcp_cloning_candidate_p): Use it.
16264         (ipcp_node_modifiable_p): Likewise.
16265
16266 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
16267
16268         * builtins.c (expand_builtin_alloca): Handle builtin alloca
16269         that is marked not to be inlined. Remove flag_mudflap use.
16270         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
16271         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
16272
16273 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
16274
16275         PR bootstrap/40338
16276         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
16277         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
16278
16279 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
16280
16281         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
16282         shared libgcc.
16283         (__mingwthr_remove_key_dtor): Likewise.
16284
16285 2009-06-26  Richard Guenther  <rguenther@suse.de>
16286
16287         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
16288
16289 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
16290
16291         PR middle-end/40525
16292         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
16293         try the non-cond_exec path also.
16294
16295 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16296
16297         PR target/40468
16298         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
16299         (output_cbranch): Use new functions.
16300         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
16301         Likewise.
16302
16303 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
16304             Pat Haugen  <pthaugen@us.ibm.com>
16305             Revital Eres <ERES@il.ibm.com>
16306
16307         * config/rs6000/rs6000.c (print_operand): Correct lossage message
16308         for %c error.  Add %x support to print VSX registers as a unified
16309         register set, instead of separate float and altivec registers.
16310         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
16311         %y case, and add support for VSX pre-modify addresses.
16312         (output_toc): Add assert for CONST containing an integer constant
16313         in the PLUS case.
16314         (rs6000_adjust_cost): Add POWER7 support.
16315         (insn_must_be_first_in_group): Ditto.
16316         (insn_must_be_last_in_group): Ditto.
16317         (rs6000_emit_popcount): Ditto.
16318         (rs6000_vector_mode_supported_p): Ditto.
16319
16320         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
16321         Change some of the functions called by macros to being called
16322         through a pointer, so debug functions can be inserted if
16323         -mdebug=addr or -mdebug=cost.
16324         (rs6000_preferred_reload_class_ptr): Ditto.
16325         (rs6000_secondary_reload_class_ptr): Ditto.
16326         (rs6000_secondary_memory_needed_ptr): Ditto.
16327         (rs6000_cannot_change_mode_class_ptr): Ditto.
16328         (rs6000_secondary_reload_inner): Ditto.
16329         (rs6000_legitimize_reload_address): Ditto.
16330         (rs6000_legitimize_reload_address_ptr): Ditto.
16331         (rs6000_mode_dependent_address): Ditto.
16332         (rs6000_mode_dependent_address_ptr): Ditto.
16333
16334         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
16335         function to return true if the mode allows reg + integer
16336         addresses.
16337         (virtual_stack_registers_memory_p): New function to return true if
16338         the address refers to a virtual stack register.
16339         (rs6000_legitimate_offset_address_p): Move code to say whether a
16340         mode supports reg+int addressing to reg_offset_addressing_ok_p and
16341         call it.
16342         (rs6000_legitimate_address_p): Add checks for modes that only can
16343         do reg+reg addressing.  Start adding VSX support.
16344         (rs6000_legitimize_reload_address): Ditto.
16345         (rs6000_legitimize_address): Ditto.
16346         (rs6000_debug_legitimate_address_p): New debug functions for
16347         -mdebug=addr and -mdebug=cost.
16348         (rs6000_debug_rtx_costs): Ditto.
16349         (rs6000_debug_address_costs): Ditto.
16350         (rs6000_debug_adjust_cost): Ditto.
16351         (rs6000_debug_legitimize_address): Ditto.
16352         (rs6000_legitimize_reload_address_ptr): Point to call normal
16353         function or debug function.  Make functions called via pointer
16354         static.
16355         (rs6000_mode_dependent_address_ptr): Ditto.
16356         (rs6000_secondary_reload_class_ptr): Ditto.
16357         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
16358         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
16359         into a friendlier error.
16360         (rs6000_init_builtins): Add initial VSX support.
16361         (rs6000_adjust_cost): Fix some spacing issues.
16362
16363         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
16364         (REG_CLASS_NAMES): Ditto.
16365         (REG_CLASS_CONTENTS): Ditto.
16366         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
16367         pointer, to add -mdebug=addr support.
16368         (CANNOT_CHANGE_MODE_CLASS): Ditto.
16369         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
16370         -mdebug=addr support.
16371         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
16372         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
16373         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
16374
16375         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
16376         16-bit values.
16377         (bswapsi*): Set attribute types for load/store.  Add combiner
16378         patterns to eliminate zero extend on 64-bit.
16379         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
16380         stdbrx if the hardware supports those instructions.
16381
16382 2009-06-25  Ian Lance Taylor  <iant@google.com>
16383
16384         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
16385         (Link Options): Document -static-libstdc++.
16386
16387 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16388
16389         PR target/38731
16390         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
16391         DATA_ALIGNMENT instead.
16392
16393 2009-06-25  Richard Guenther  <rguenther@suse.de>
16394
16395         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
16396         indirect references against the callused/escaped solutions.
16397         (call_may_clobber_ref_p_1): Likewise.
16398
16399 2009-06-25  Martin Jambor  <mjambor@suse.cz>
16400
16401         PR tree-optimization/40493
16402         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
16403         (enum unscalarized_data_handling): New type.
16404         (handle_unscalarized_data_in_subtree): Return what has been done.
16405         (load_assign_lhs_subreplacements): Handle left flushes differently.
16406         (sra_modify_assign): Use unscalarized_data_handling, simplified
16407         condition determining whether to remove the statement.
16408
16409 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
16410
16411         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
16412         excerpt - @ should be doubled for texinfo.
16413
16414 2009-06-24  Ian Lance Taylor  <iant@google.com>
16415
16416         * config/arc/arc.c: Include "df.h".
16417         (arc_attribute_table): Make static.  Move higher in file.
16418         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
16419         (output_shift): Initialize n later to avoid warning.
16420         * config/arm/arm.c (arm_attribute_table): Make static.  Move
16421         higher in file.
16422         * config/avr/avr.c (avr_attribute_table): Make static.  Move
16423         higher in file.
16424         (reg_class_tab): Change array type from int to enum reg_class.
16425         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
16426         LABEL_REF.
16427         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
16428         (lshrhi3_out): Likewise.
16429         (class_likely_spilled_p): Change return type to bool.
16430         (avr_rtx_costs): Use local code variable with enum type.
16431         * config/avr/avr.md (movmemhi): Use add_reg_note.
16432         (andhi3, andsi3): Don't use AS2 with "and".
16433         (iorhi3, iorsi3): Don't use AS2 with "or".
16434         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
16435         * config/crx/crx.c: Include "df.h".
16436         (crx_attribute_table): Make static.
16437         * config/m32r/m32r.c: Include "df.h".
16438         (m32r_attribute_table): Make static.  Move higher in file.
16439         (pop): Use add_reg_note.
16440         (block_move_call): Change 0 to LCT_NORMAL in function call.
16441         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
16442         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
16443         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
16444         declare, not just when TREE_CODE is defined.
16445         * config/m68hc11/m68hc11.c: Include "expr.h".
16446         (m68hc11_attribute_table): Make static.  Move higher in file.
16447         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
16448         function call.
16449         (m68hc11_register_indirect_p): Likewise.
16450         (m68hc11_function_arg_padding): Change return type to enum
16451         direction.
16452         (emit_move_after_reload): Use add_reg_note.
16453         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
16454         (m68hc11_split_logical): Likewise.
16455         (m68hc11_rtx_costs): Add local code_and outer_code variables with
16456         enum type.
16457         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
16458         to VOIDmode in function call.
16459         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
16460         tree is defined.
16461         (m68hc11_split_logical): Update declaration.
16462         (m68hc11_function_arg_padding): Update declaration.
16463         * config/mcore/mcore.c (regno_reg_class): Change form array of int
16464         to array of enum reg_class.
16465         (mcore_attribute_table): Make static.  Move higher in file.
16466         (mcore_rtx_costs): Add cast to enum type.
16467         * config/mcore/mcore.h (regno_reg_class): Update declaration.
16468         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
16469         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
16470         in file.
16471         * config/sh/predicates.md (trapping_target_operand): Rename and to
16472         and_expr.
16473         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
16474         higher in file.
16475         * config/spu/spu.c (spu_attribute_table): Make static.  Move
16476         higher in file.
16477         * config/v850/v850.c (v850_attribute_table): Make static.  Move
16478         higher in file.
16479         (v850_rtx_costs): Use local code with enum type.
16480         (expand_epilogue): Add cast.
16481         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
16482
16483 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
16484
16485         PR target/40515
16486         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
16487         -m2a-single-only and -m2a-nofpu.
16488         * config/sh/sh.opt: Document m2a generates FPU code.
16489
16490 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
16491
16492         * defaults.h (CAN_ELIMINATE): Provide default.
16493         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
16494         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
16495         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
16496         * config/spu/spu.h (CAN_ELIMINATE): Delete.
16497         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
16498         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
16499         * config/cris/cris.h (CAN_ELIMINATE): Delete.
16500         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
16501         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
16502         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
16503
16504 2009-06-24  DJ Delorie  <dj@redhat.com>
16505
16506         * mep-ext-cop.cpu: Fix copyright notice.
16507         * mep-default: Fix copyright notice.
16508         * mep-core: Fix copyright notice.
16509         * mep: Fix copyright notice.
16510         * mep-ivc2: Fix copyright notice.
16511         * mep-c5: Fix copyright notice.
16512
16513 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
16514
16515         * doc/contrib.texi (Contributors):
16516
16517 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16518
16519         PR middle-end/40501
16520         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
16521         src and dst operands if necessary.
16522
16523 2009-06-23  DJ Delorie  <dj@redhat.com>
16524
16525         Add MeP port.
16526         * config.gcc: Add mep support.
16527         * recog.c: Resurrect validate_replace_rtx_subexp().
16528         * recog.h: Likewise.
16529         * config/mep/: Add new port:
16530         * config/mep/constraints.md: New file.
16531         * config/mep/default.h: New file.
16532         * config/mep/intrinsics.h: New file.
16533         * config/mep/intrinsics.md: New file.
16534         * config/mep/ivc2-template.h: New file.
16535         * config/mep/mep-c5.cpu: New file.
16536         * config/mep/mep-core.cpu: New file.
16537         * config/mep/mep-default.cpu: New file.
16538         * config/mep/mep-ext-cop.cpu: New file.
16539         * config/mep/mep-intrin.h: New file.
16540         * config/mep/mep-ivc2.cpu: New file.
16541         * config/mep/mep-lib1.asm: New file.
16542         * config/mep/mep-lib2.c: New file.
16543         * config/mep/mep-pragma.c: New file.
16544         * config/mep/mep-protos.h: New file.
16545         * config/mep/mep-tramp.c: New file.
16546         * config/mep/mep.c: New file.
16547         * config/mep/mep.cpu: New file.
16548         * config/mep/mep.h: New file.
16549         * config/mep/mep.md: New file.
16550         * config/mep/mep.opt: New file.
16551         * config/mep/predicates.md: New file.
16552         * config/mep/t-mep: New file.
16553
16554 2009-06-23  Ian Lance Taylor  <iant@google.com>
16555
16556         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
16557         from loose_warn into c_loose_warn and from strict_warn into
16558         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
16559         --enable-build-with-cxx.  Set and substitute
16560         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
16561         * Makefile.in (CXXFLAGS): New variable.
16562         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
16563         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
16564         the default is the same as $(STRICT_WARN).
16565         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
16566         (CXX): New variable.
16567         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
16568         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
16569         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
16570         (HOST_LIBS): New variable.
16571         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
16572         (ALL_CXXFLAGS): New variable.
16573         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
16574         * doc/install.texi (Configuration): Document
16575         --enable-build-with-cxx, --with-stage1-ldflags,
16576         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
16577         * configure: Rebuild.
16578
16579 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16580
16581         * config/arm/arm.c (arm_override_options): Fix braces and formatting
16582         from previous commit.
16583
16584 2009-06-23  Ian Lance Taylor  <iant@google.com>
16585
16586         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
16587
16588 2009-06-23  Ian Lance Taylor  <iant@google.com>
16589
16590         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
16591         with ATTRIBUTE_UNUSED.
16592
16593 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
16594             Pat Haugen  <pthaugen@us.ibm.com>
16595             Revital Eres  <eres@il.ibm.com>
16596
16597         * config.in (HAVE_AS_POPCNTD): Add default definition.
16598         (HAVE_AS_LWSYNC): Ditto.
16599
16600         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
16601         release number.
16602         (gcc_cv_as_powerpc_cmpb): Ditto.
16603         (gcc_cv_as_powerpc_dfp): Ditto.
16604         (gcc_cv_as_powerpc_vsx): Ditto.
16605         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
16606         supporting the popcntd/lwsync instructions.
16607         (gcc_cv_as_powerpc_lwsync): Ditto.
16608         * configure: Regenerate.
16609
16610         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
16611         -mcpu=native and -mcpu=power7.
16612         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
16613
16614         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
16615         a variable instead of a mask to reduce the number of mask bits.
16616         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
16617         (-mbit-word): Ditto.
16618         (-mregnames): Ditto.
16619         * config/rs6000/rs6000.opt (-mupdate): Ditto.
16620         (-mfused-madd): Ditto.
16621
16622         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
16623         2.06 instructions.
16624         (-mvsx): New switch for VSX instructions.
16625         (-misel): Move from a variable to a mask to allow it to be set by
16626         -mcpu=.
16627
16628         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
16629         function declaration to an array declaration.
16630         (rs6000_hard_regno_nregs): New external array declaration.
16631
16632         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
16633         files included by rs6000.md.
16634
16635         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
16636         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
16637
16638         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
16639         a target mask.
16640         (rs6000_debug_reg): New -mdebug= variables.
16641         (rs6000_debug_addr): Ditto.
16642         (rs6000_debug_cost): Ditto.
16643         (rs6000_pmode): New variable to hold Pmode.
16644         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
16645         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
16646         calculated at compiler start.
16647         (rs6000_hard_regno_nregs): Change function to an array which holds
16648         HARD_REGNO_NREGS calculated at compiler start.
16649         (rs6000_explicit_options): Delete isel field.
16650         (rs6000_vector_unit): New array to hold which vector unit
16651         supports arithmetic options for a given type.
16652         (rs6000_vector_mem): New array to hold which vector unit supports
16653         memory reference operations for a given type.
16654         (rs6000_vector_align): New array to given the alignment of each
16655         vector type.
16656         (power7_cost): New basic costs for power7.
16657         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
16658         (rs6000_hard_regno_nregs_internal): New function, moved from
16659         HARD_REGNO_NREGS, to calculate the number of registers each hard
16660         register takes for each type.
16661         (rs6000_debug_reg_print): New function for -mdebug=reg support.
16662         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
16663         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
16664         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
16665         unit information here so it is calculated once at compiler startup
16666         time.
16667         (rs6000_override_options): Make -misel a target mask.  Add more
16668         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
16669         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
16670         -mdebug=cost.
16671         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
16672         (rs6000_handle_option): Move -misel from variable to target mask.
16673         (rs6000_builtin_mask_for_load): Add VSX support.
16674         (rs6000_conditional_register_usage): Ditto.
16675         (USE_ALTIVEC_FOR_ARG_P): Ditto.
16676         (function_arg_boundary): Ditto.
16677         (rs6000_expand_builtin): Ditto.
16678         (def_builtin): Make abort message a little friendlier.
16679         (rs6000_emit_int_cmove): Add support for 64-bit isel.
16680
16681         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
16682         assembler support the popcntd instruction instead of a vsx
16683         instruction to enable power7 support.
16684         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
16685         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
16686         option to the assembler if -mcpu=native.
16687         (ASM_CPU_NATIVE_SPEC): Ditto.
16688         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
16689         ISA 2.06 features.
16690         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
16691         the lwsync instruction.
16692         (enum processor_type): Add PROCESSOR_POWER7.
16693         (rs6000_debug_reg): New -mdebug= options.
16694         (rs6000_debug_addr): Ditto.
16695         (rs6000_debug_cost): Ditto.
16696         (rs6000_isel): Delete.
16697         (enum rs6000_vector): New enum to say what vector unit we have.
16698         (VECTOR_UNIT_*): New macros to say which vector unit has
16699         arithmetic operations for a given type.
16700         (VECTOR_MEM_*): New macros to say which vector unit has memory
16701         operations for a given type.
16702         (TARGET_LDBRX): Whether the machine supports the ldbrx
16703         instruction.
16704         (TARGET_ISEL): Delete, -misel moved to be a mask.
16705         (TARGET_ISEL64): New macro for 64-bit isel support.
16706         (UNITS_PER_VSX_WORD): New macro.
16707         (POINTER_SIZE): Move to be an external variable, rather than
16708         calculating whether we are generating 32 ot 64-bit code.
16709         (Pmode): Ditto.
16710         (STACK_BOUNDARY): Add VSX support.
16711         (LOCAL_ALIGNMENT): Ditto.
16712         (SLOW_UNALIGNED_ACCESS): Ditto.
16713         (VSX_REGNO_P): New macro for VSX support.
16714         (VFLOAT_REGNO_P): Ditto.
16715         (VINT_REGNO_P): Ditto.
16716         (VLOGICAL_REGNO_P): Ditto.
16717         (VSX_VECTOR_MODE): Ditto.
16718         (VSX_SCALAR_MODE): Ditto.
16719         (VSX_MODE): Ditto.
16720         (VSX_MOVE_MODE): Ditto.
16721         (VSX_REG_CLASS_P): Ditto.
16722         (HARD_REGNO_NREGS): Instead of calling a function, use an array
16723         lookup.
16724         (UNITS_PER_SIMD_WORD): Add VSX support.
16725         (MODES_TIEABLE_P): Ditto.
16726         (STARTING_FRAME_OFFSET): Ditto.
16727         (STACK_DYNAMIC_OFFSET): Ditto.
16728         (EPILOGUE_USES): Ditto.
16729         (REGNO_REG_CLASS): Move to array lookup.
16730         (CLASS_MAX_NREGS): Ditto.
16731         (rs6000_vector_reg_class): Add declaration.
16732         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
16733         overlap with the floating point and Altivec registers.
16734
16735         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
16736
16737         * config/rs6000/driver-rs6000.c (asm_names): New static array to
16738         give the appropriate asm switches if -mcpu=native.
16739         (host_detect_local_cpu): Add support for "asm".
16740         (host_detect_local_cpu): Follow GNU code guidelines for name.
16741
16742         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
16743         -mbit-word to a variable instead of being a target mask.
16744
16745         * config/rs6000/sync.md (lwsync): If the assembler supports it,
16746         emit the lwsync instruction instead of emitting the instruction as
16747         an integer constant.
16748
16749         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
16750         fixuns_trundfsi2, move expander into rs6000.md.
16751
16752         * config/rs6000/rs6000.md (cpu): Add power7.
16753         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
16754         (logical predicate patterns): Change the single instruction
16755         primitives that set CR0 to be fast_compare instead of compare.
16756         (norsi*): Ditto.
16757         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
16758         (popcntddi2): Ditto.
16759         (popcount<mode>): Ditto.
16760         (floating multiply/add insns): Name the floating point
16761         multiply/add insns.
16762         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
16763         (isel_unsigned_<mode>): Ditto.
16764         (fixuns_trundfsi2): Move expander here from spe.md.
16765         (smindi3): Define if we have -misel on 64-bit systems.
16766         (smaxdi3): Ditto.
16767         (umindi3): Ditto.
16768         (umaxdi3): Ditto.
16769
16770 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
16771
16772         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
16773         extra_objs.
16774         * config/avr/avr.c (avr_current_device): New variable.
16775         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
16776         (avr_arch, mcu_type_s): Move to avr.h.
16777         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
16778         default_data_section_start fields.
16779         (avr_arch): Moved from avr.c.
16780         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
16781         library_name fields.
16782         (avr_current_device, avr_mcu_types, avr_arch_types,
16783         avr_device_to_arch, avr_device_to_data_start,
16784         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
16785         (EXTRA_SPEC_FUNCTIONS): Define.
16786         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
16787         options mapping. Use device_to_arch and device_to_data_start insted.
16788         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
16789         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
16790         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
16791         * config/avr/driver-avr.c: New file.
16792         * config/avr/avr-devices.c: New file.
16793
16794 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
16795
16796         * var-tracking.c (unshare_variable): Force initialized to
16797         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
16798         (set_variable_part): Likewise.
16799         (struct variable_union_info): Remove pos_src field.
16800         (vui_vec, vui_allocated): New variables.
16801         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
16802         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
16803         == 1 use a simpler sorting algorithm.  Compute pos field right
16804         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
16805         Avoid quadratic comparison if !flag_var_tracking_uninit.
16806         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
16807         unshare_variable unconditionally.
16808         (dataflow_set_different_2): Removed.
16809         (dataflow_set_different): Don't traverse second hash table.
16810         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
16811         unconditionally to var_reg_set or var_mem_set.
16812         (emit_notes_in_bb): Likewise.
16813         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
16814         unshare_variable.
16815         (emit_note_insn_var_location): Don't set initialized to
16816         VAR_INIT_STATUS_INITIALIZED early.
16817         (vt_finalize): Free vui_vec if needed, clear vui_vec and
16818         vui_allocated.
16819         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
16820
16821         * tree-object-size.c (addr_object_size): Instead of checking
16822         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
16823         are no FIELD_DECLs following it.
16824
16825 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
16826
16827         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
16828         order to match bswaps with signed source operands.
16829
16830 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
16831
16832         * sdbout.c (sdbout_one_type): Fix braces in switch.
16833
16834 2009-06-23  Richard Guenther  <rguenther@suse.de>
16835
16836         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
16837         member.
16838         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
16839         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
16840         var_callused, callused_tree, var_storedanything, storedanything_tree,
16841         var_integer, integer_tree): Remove global variables.
16842         (new_var_info): Do not pass new id, append the new var to the
16843         global variable vector.
16844         (do_ds_constraint): Use is_global_var member of the variable-info.
16845         (new_scalar_tmp_constraint_exp): Adjust.
16846         (create_function_info_for): Likewise.
16847         (create_variable_info_for): Likewise.
16848         (find_what_var_points_to): Remove dead code.
16849         (init_base_vars): Simplify.
16850         (compute_points_to_sets): Adjust.
16851
16852 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
16853
16854         * combine.c (try_combine): Dump information about the insns we're
16855         combining.
16856
16857 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
16858
16859         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
16860         check when calling force_to_mode on TRUNCATE's operand.
16861
16862 2009-06-22  Ian Lance Taylor  <iant@google.com>
16863
16864         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
16865
16866 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
16867
16868         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
16869
16870 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16871
16872         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
16873         override library linkage flags such as -static-libgcc or
16874         -shared-libgcc.
16875
16876 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
16877
16878         * config/m68k/m68k-devices.def: Add line for MCF5221x.
16879
16880 2009-06-22  Ian Lance Taylor  <iant@google.com>
16881
16882         * config/linux.opt: Put mglibc ahead of muclibc.
16883
16884         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
16885         for duplicate decls.
16886
16887 2009-06-22  Matthias Klose  <doko@ubuntu.com>
16888
16889         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
16890
16891 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
16892
16893         PR objc/28050
16894         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
16895         instead of NULL if a parser error occurs.
16896
16897 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
16898
16899         * dwarf2out.c (dwarf2_debug_hooks): Initialize
16900         non-DWARF2_DEBUGGING_INFO version.
16901
16902 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
16903
16904         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
16905         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
16906
16907         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
16908         (LIBGCC2_TF_CEXT): Define.
16909         (TF_SIZE): Define.
16910
16911 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16912
16913         PR target/40463
16914         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
16915
16916 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16917
16918         * config/arm/arm.c (arm_override_options): Disable
16919         -mcaller-super-interworking and -mcallee-super-interworking.
16920         * doc/invoke.texi (ARM Options): Document this.
16921
16922 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
16923
16924         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
16925         * config/arm/constraints.md (j): New constraint for movw operands.
16926         (N): Remove thumb2 meaning.
16927         * config/arm/arm.md (*arm_movw): Delete.
16928         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
16929         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
16930         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
16931
16932 2009-06-22  Martin Jambor  <mjambor@suse.cz>
16933
16934         PR tree-optimization/40492
16935         * tree-sra.c (sra_modify_assign): Pass zero offsets to
16936         build_ref_for_offset.
16937
16938 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
16939
16940         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
16941         JUMP_TABLE_DATA_P predicates where applicable.
16942         * auto-inc-dec.c: Ditto.
16943         * builtins.c: Ditto.
16944         * caller-save.c: Ditto.
16945         * calls.c: Ditto.
16946         * cfgcleanup.c: Ditto.
16947         * cfglayout.c: Ditto.
16948         * cfgrtl.c: Ditto.
16949         * combine.c: Ditto.
16950         * combine-stack-adj.c: Ditto.
16951         * cse.c: Ditto.
16952         * cselib.c: Ditto.
16953         * dbxout.c: Ditto.
16954         * df-scan.c: Ditto.
16955         * dse.c: Ditto.
16956         * dwarf2asm.c: Ditto.
16957         * dwarf2out.c: Ditto.
16958         * emit-rtl.c: Ditto.
16959         * except.c: Ditto.
16960         * explow.c: Ditto.
16961         * expmed.c: Ditto.
16962         * expr.c: Ditto.
16963         * final.c: Ditto.
16964         * function.c: Ditto.
16965         * fwprop.c: Ditto.
16966         * gcse.c: Ditto.
16967         * genpreds.c: Ditto.
16968         * genrecog.c: Ditto.
16969         * ifcvt.c: Ditto.
16970         * ira-costs.c: Ditto.
16971         * ira-lives.c: Ditto.
16972         * jump.c: Ditto.
16973         * loop-iv.c: Ditto.
16974         * lower-subreg.c: Ditto.
16975         * modulo-sched.c: Ditto.
16976         * optabs.c: Ditto.
16977         * postreload.c: Ditto.
16978         * print-rtl.c: Ditto.
16979         * recog.c: Ditto.
16980         * reginfo.c: Ditto.
16981         * regmove.c: Ditto.
16982         * reload1.c: Ditto.
16983         * reload.c: Ditto.
16984         * reorg.c: Ditto.
16985         * rtlanal.c: Ditto.
16986         * rtl.c: Ditto.
16987         * sched-vis.c: Ditto.
16988         * sdbout.c: Ditto.
16989         * sel-sched-ir.c: Ditto.
16990         * simplify-rtx.c: Ditto.
16991         * targhooks.c: Ditto.
16992         * var-tracking.c: Ditto.
16993         * vmsdbgout.c: Ditto.
16994
16995 2009-06-22  Matthias Klose  <doko@ubuntu.com>
16996
16997         * Makefile.in (install-plugin): Always use DESTDIR.
16998
16999 2009-06-22  Olivier Hainque  <hainque@adacore.com>
17000
17001         * config/pa/pa.c (output_call): Don't optimize post call jumps
17002         into return address adjustments if the call may throw.
17003
17004 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
17005
17006         * arm.c (thumb1_output_casesi): New function.
17007         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
17008         optimizing for size or PIC.
17009         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
17010         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
17011         (casesi): Handle Thumb-1 when optimizing for size or PIC.
17012         (thumb1_casesi_internal_pic): New expand rule.
17013         (thumb1_casesi_dispatch): New pattern.
17014         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
17015         thumb-1 mode.
17016         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
17017         in the text seciton when PIC or optimizing for size.
17018         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
17019         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
17020         preservation properties of code.
17021         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
17022         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
17023         (__gnu_thumb1_case_si): New function.
17024         * t-arm (LIB1ASMSRC): Define here.
17025         (LIB1ASMFUNCS): Add some common functions.
17026         * t-arm-elf (LIB1ASMSRC): Delete.
17027         (LIB1ASMFUNCS): Append to existing set.
17028         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
17029         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
17030         * t-symbian (LIB1ASMFUNCS): Likewise.
17031         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
17032         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
17033
17034 2009-06-21  Richard Guenther  <rguenther@suse.de>
17035
17036         PR tree-optimization/38729
17037         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
17038         to loops with a single exit if -fno-expensive-optimizations.
17039
17040 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
17041
17042         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
17043         (dataflow_set): Change vars type from htab_t to shared_hash.
17044         (shared_hash_pool, empty_shared_hash): New variables.
17045         (vars_clear): Removed.
17046         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
17047         shared_hash_find_slot_unshare, shared_hash_find_slot,
17048         shared_hash_find_slot_noinsert, shared_hash_find): New
17049         static inlines.
17050         (shared_hash_unshare, shared_hash_destroy): New functions.
17051         (unshare_variable): Unshare set->vars if shared, use
17052         shared_hash_htab.
17053         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
17054         (get_init_value, find_src_set_src, dump_dataflow_set,
17055         clobber_variable_part, emit_notes_for_differences): Use
17056         shared_hash_htab.
17057         (dataflow_set_init): Remove second argument, set vars to
17058         empty_shared_hash instead of creating a new htab.
17059         (dataflow_set_clear): Call shared_hash_destroy and set vars
17060         to empty_shared_hash instead of calling vars_clear.
17061         (dataflow_set_copy): Don't call vars_copy, instead just share
17062         the src htab with dst.
17063         (variable_union): Use shared_hash_*, use initially NO_INSERT
17064         lookup if set->vars is shared.  Don't keep slot cleared before
17065         calling unshare_variable.  Unshare set->vars if needed.
17066         Even ->refcount == 1 vars must be unshared if set->vars is shared
17067         and var needs to be modified.
17068         (variable_canonicalize): New function.
17069         (dataflow_set_union): If dst->vars is empty, just share src->vars
17070         with dst->vars and traverse with variable_canonicalize to canonicalize
17071         and unshare what is needed.
17072         (dataflow_set_different): If old_set and new_set use the same shared
17073         htab, they aren't different.  If number of htab elements is different,
17074         htabs are different.  Use shared_hash_*.
17075         (dataflow_set_destroy): Call shared_hash_destroy instead of
17076         htab_delete.
17077         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
17078         second argument to dataflow_set_init.
17079         (vt_initialize): Likewise.  Initialize shared_hash_pool and
17080         empty_shared_hash, move bb in/out initialization afterwards.
17081         Use variable_htab_free instead of NULL as changed_variables del hook.
17082         (variable_was_changed): Change type of second argument to pointer to
17083         dataflow_set.  When inserting var into changed_variables, bump
17084         refcount.  Unshare set->vars if set is shared htab and slot needs to
17085         be cleared.
17086         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
17087         lookup if set->vars is shared.  Unshare set->vars if needed.
17088         Even ->refcount == 1 vars must be unshared if set->vars is shared
17089         and var needs to be modified.  Adjust variable_was_changed caller.
17090         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
17091         vars must be unshared if set->vars is shared and var needs to be
17092         modified.  Adjust variable_was_changed caller.
17093         (emit_note_insn_var_location): Don't pool_free var.
17094         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
17095         instead of 1.
17096         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
17097         free_alloc_pool on shared_hash_pool.
17098
17099 2009-06-20  Anthony Green  <green@moxielogic.com>
17100
17101         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
17102         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
17103
17104 2009-06-20  Richard Guenther  <rguenther@suse.de>
17105
17106         * tree-ssa-structalias.c (find_func_aliases): For memset use
17107         a constraint from NULL if we memset to zero.
17108         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
17109         we explicitly handle that do not read from memory.
17110         (call_may_clobber_ref_p_1): Properly handle builtins that may
17111         set errno.
17112
17113 2009-06-20  Richard Guenther  <rguenther@suse.de>
17114
17115         PR tree-optimization/40495
17116         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
17117         (new_scalar_tmp_constraint_exp): New function.
17118         (process_constraint): Do not create temporary decls.
17119         (process_all_all_constraints): Likewise.
17120         (handle_const_call): Likewise.
17121         (create_function_info_for): Do not set decl.
17122
17123 2009-06-19  Ian Lance Taylor  <iant@google.com>
17124
17125         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
17126         (rs6000_attribute_table): Make static; move before use.
17127
17128 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
17129
17130         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
17131         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
17132         Propagate the TREE_READONLY flag without overwriting it.
17133         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
17134         Propagate the TREE_READONLY flag onto the result.
17135         (process_call_operands): Move around.  Use correct constant value.
17136
17137 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17138
17139         PR target/40482
17140         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
17141         * config/arm/arm.md: Likewise.
17142
17143 2009-06-19  Ian Lance Taylor  <iant@google.com>
17144
17145         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
17146         to GIMPLE_ERROR_MARK.
17147
17148         * c-typeck.c (build_conditional_expr): Add op1_original_type and
17149         op2_original_type parameters.  Warn about using different enum types.
17150         * c-parser.c (c_parser_conditional_expression): Pass original
17151         types to build_conditional_expr.
17152         * c-tree.h (build_conditional_expr): Update declaration.
17153
17154 2009-06-19  Ian Lance Taylor  <iant@google.com>
17155
17156         * config/i386/i386.c (ix86_function_specific_save): Test that
17157         fields match values, rather than testing the values are in a
17158         certain range.
17159
17160 2009-06-19  Richard Guenther  <rguenther@suse.de>
17161
17162         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
17163         ADDR_EXPR pointers.
17164         (ptr_derefs_may_alias_p): Likewise.
17165         (ptr_deref_may_alias_ref_p_1): New function.
17166         (ptr_deref_may_alias_ref_p): Likewise.
17167         (ref_maybe_used_by_call_p_1): Handle builtins that are not
17168         covered by looking at the ESCAPED solution.
17169         (call_may_clobber_ref_p_1): Likewise.
17170         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
17171         Handle NULL_TREE offset.  Do not produce redundant constraints.
17172         (process_all_all_constraints): New helper function.
17173         (do_structure_copy): Use it.
17174         (handle_lhs_call): Likewise.
17175         (find_func_aliases): Handle some builtins with pointer arguments
17176         and/or return values explicitly.
17177
17178 2009-06-19  Ian Lance Taylor  <iant@google.com>
17179
17180         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
17181
17182 2009-06-19  Ian Lance Taylor  <iant@google.com>
17183
17184         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
17185
17186 2009-06-19  Ian Lance Taylor  <iant@google.com>
17187
17188         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
17189         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
17190         version.
17191
17192         * c-decl.c (finish_decl): If -Wc++-compat, warn about
17193         uninitialized const.
17194
17195 2009-06-19  Ian Lance Taylor  <iant@google.com>
17196
17197         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
17198         all uses.
17199
17200         * c-decl.c (in_struct, struct_types): Remove.
17201         (struct c_binding): Add in_struct field.
17202         (c_binding_ptr): Define type, along with VEC.
17203         (struct c_struct_parse_info): Define.
17204         (struct_parse_info): New static variable.
17205         (bind): Initialize in_struct field.
17206         (start_struct): Remove enclosing_in_struct and
17207         enclosing_struct_types parameters.  Add
17208         enclosing_struct_parse_info parameter.  Change all callers.  Set
17209         struct_parse_info rather than in_struct and struct_types.
17210         (grokfield): If -Wc++-compat and there is a symbol binding for the
17211         field name, set the in_struct flag and push it on the
17212         struct_parse_info->fields vector.
17213         (warn_cxx_compat_finish_struct): New static function.
17214         (finish_struct): Remove enclosing_in_struct and
17215         enclosing_struct_types parameters.  Add
17216         enclosing_struct_parse_info parameter.  Change all callers.  Don't
17217         set C_TYPE_DEFINED_IN_STRUCT here.  Call
17218         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
17219         parameter.  Only push on struct_types if warn_cxx_compat.
17220         (finish_enum): Only push on struct_types if warn_cxx_compat.
17221         (declspecs_add_type): Add loc parameter.  Change all callers.
17222         Change all error calls to error_at.  Pass loc, not input_location,
17223         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
17224         defined in a struct.  If -Wc++-compat and parsing a struct, record
17225         that a typedef name was used.
17226         * c-parser.c (c_parser_declspecs): Get location to pass to
17227         declspecs_add_type.
17228         (c_parser_struct_or_union_specifier): Update calls to start_struct
17229         and finish_struct.
17230         * c-tree.h (struct c_struct_parse_info): Declare.
17231         (finish_struct, start_struct): Update declarations.
17232         (declspecs_add_type): Update declaration.
17233
17234 2009-06-19  Ian Lance Taylor  <iant@google.com>
17235
17236         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
17237         variable with an anonymous type.
17238
17239 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
17240
17241         * see.c: Remove for real.
17242
17243 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
17244
17245         * optabs.h (enum optab_index): Add new OTI_significand.
17246         (significand_optab): Define corresponding macro.
17247         * optabs.c (init_optabs): Initialize significand_optab.
17248         * genopinit.c (optabs): Implement significand_optab using
17249         significand?f2 patterns.
17250         * builtins.c (expand_builtin_mathfn): Handle
17251         BUILT_IN_SIGNIFICAND{,F,L}.
17252         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
17253         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
17254
17255         * config/i386/i386.md (significandxf2, significand<mode>2): New
17256         expanders to implement significandf, significand and significandl
17257         built-ins as inline x87 intrinsics.
17258
17259 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
17260
17261         * config/avr/avr.c (avr_override_options): Remove setting value of
17262         PARAM_INLINE_CALL_COST.
17263
17264 2009-06-18  Richard Henderson  <rth@redhat.com>
17265
17266         PR 40488
17267         * tree-pass.h (TDF_ASMNAME): New.
17268         * tree-dump.c (dump_options): Add asmname.
17269         * doc/invoke.texi: Document it.
17270
17271         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
17272         (dump_decl_name): ...here.
17273         (dump_function_name): New flags arg; mind TDF_ASMNAME.
17274         (dump_generic_node): Update dump_function_name calls.
17275         (print_call_name): New flags arg; update all dump calls.
17276         * diagnostic.h (print_call_name): Update.
17277         * gimple-pretty-print.c (dump_gimple_call): Update.
17278
17279 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
17280
17281         PR target/40470
17282         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
17283
17284 2009-06-18  Diego Novillo  <dnovillo@google.com>
17285
17286         * doc/plugins.texi: Document plugin_is_GPL_compatible.
17287         * plugin.c (str_license): Declare.
17288         (try_init_one_plugin): Assert that the symbol
17289         'plugin_is_GPL_compatible' exists.
17290
17291 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
17292
17293         * see.c: Remove.
17294         * Makefile.in (OBJS-common): Remove see.o.
17295         (see.o): Remove.
17296         * common.opt (fsee): Mark as preserved for backward compatibility.
17297         * opts.c (common_handle_option): Add OPT_fsee to the backward
17298         compatibility section.
17299         * passes.c (init_optimization_passes, pass_see): Remove pass.
17300         * timevar.def (TV_SEE): Remove.
17301         * tree-pass.h (pass_see): Remove declaration.
17302         * doc/invoke.texi (-fsee): Remove documentation.
17303
17304 2009-06-18  Martin Jambor  <mjambor@suse.cz>
17305
17306         * tree-sra.c: Include statistics.h
17307         (sra_stats): New variable.
17308         (sra_initialize): Clear sra_stats.
17309         (create_access_replacement): Increment sra_stats.replacements.
17310         (get_access_replacement): Do not return twice.
17311         (analyze_all_variable_accesses): Increment statistics counter by the
17312         number of scalarized aggregates.
17313         (generate_subtree_copies): Increment sra_stats.subtree_copies.
17314         (sra_modify_expr): Increment sra_stats.exprs.
17315         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
17316         (sra_modify_assign): Increment sra_stats.exprs,
17317         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
17318         (perform_intra_sra): Update statistics counters.
17319         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
17320
17321 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
17322
17323         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
17324         (arm_scalar_mode_supported_p): New function.
17325
17326 2009-06-18  Paul Brook  <paul@codesourcery.com>
17327             Sandra Loosemore  <sandra@codesourcery.com>
17328
17329         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
17330         (__extendhfsf2, __truncsfhf2): Define.
17331         * config/arm/fp16.c: New file.
17332         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
17333         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
17334
17335 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
17336
17337         * doc/extend.texi (Half-Precision): New section.
17338         * doc/invoke.texi (Option Summary): List -mfp16-format.
17339         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
17340         * config/arm/arm.opt (mfp16-format=): New.
17341         * config/arm/arm.c: Include intl.h.
17342         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
17343         (TARGET_INVALID_RETURN_TYPE): Redefine.
17344         (TARGET_PROMOTED_TYPE): Redefine.
17345         (TARGET_CONVERT_TO_TYPE): Redefine.
17346         (arm_fp16_format): Define.
17347         (all_fpus): Add entry for neon-fp16.
17348         (fp_model_for_fpu): Likewise.
17349         (struct fp16_format): Declare.
17350         (all_fp16_formats): Define.
17351         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
17352         functions.
17353         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
17354         and no ldrh.
17355         (arm_legitimate_index_p): Treat HFmode like HImode.
17356         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
17357         (coproc_secondary_reload_class): Special-case HFmode.
17358         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
17359         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
17360         (arm_init_fp16_builtins): New.
17361         (arm_init_builtins): Call it.
17362         (arm_invalid_parameter_type): New.
17363         (arm_invalid_return_type): New.
17364         (arm_promoted_type): New.
17365         (arm_convert_to_type).
17366         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
17367         format.
17368         (arm_emit_fp16_const): New function.
17369         (arm_mangle_type): Mangle __fp16 as "Dh".
17370         * config/arm/arm.h (TARGET_VFPD32): Make it know about
17371         FPUTYPE_NEON_FP16.
17372         (TARGET_NEON_FP16): New.
17373         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
17374         (enum fputype): Add FPUTYPE_NEON_FP16.
17375         (enum arm_fp16_format_type): Declare.
17376         (arm_fp16_format): Declare.
17377         (LARGEST_EXPONENT_IS_NORMAL): Define.
17378         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
17379         * config/arm/arm-modes.def (HFmode): Define.
17380         * config/arm/vfp.md (*movhf_vfp): New.
17381         (extendhfsf2): New.
17382         (truncsfhf2): New.
17383         * config/arm/arm.md (fpu): Add neon_fp16.
17384         (floatsihf2, floatdihf2): New.
17385         (fix_trunchfsi2, fix_trunchfdi2): New.
17386         (truncdfhf2): New.
17387         (extendhfdf2): New.
17388         (movhf): New.
17389         (*arm32_movhf): New.
17390         (*thumb1_movhf): New.
17391         (consttable_2): Add check for HFmode constants.
17392         (consttable_4): Handle HFmode constants.
17393
17394 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
17395
17396         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
17397
17398 2009-06-17  Olivier Hainque  <hainque@adacore.com>
17399
17400         * collect2.c (main): Use CONST_CAST2 to perform char ** to
17401         const char ** conversion in AIX specific section.
17402
17403 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
17404
17405         * config/i386/i386.c (ix86_special_builtin_type): Remove
17406         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
17407         (bdesc_special_args): Updated.
17408         (ix86_init_mmx_sse_builtins): Likewise.
17409         (ix86_expand_special_args_builtin): Likewise.
17410
17411 2009-06-17  Richard Henderson  <rth@redhat.com>
17412
17413         * tree-pretty-print.c (maybe_dump_asm_name): New.
17414         (dump_decl_name): Use it.
17415         (PRINT_FUNCTION_NAME): Merge into...
17416         (dump_function_name): ... here.  Use maybe_dump_asm_name.
17417
17418 2009-06-17  Cary Coutant  <ccoutant@google.com>
17419
17420         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
17421         Change caller.
17422         * debug.c (struct gcc_debug_hooks): Change placeholder for
17423         source_line hook.
17424         (debug_nothing_int_charstar_int): Replaced by...
17425         (debug_nothing_int_charstar_int_bool): ...this.
17426         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
17427         source_line prototype.
17428         (debug_nothing_int_charstar_int): Replaced by...
17429         (debug_nothing_int_charstar_int_bool): ...this.
17430         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
17431         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
17432         Output is_stmt operand when necessary.
17433         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
17434         (notice_source_line): Add is_stmt parameter.
17435         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
17436         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
17437         Change callers.
17438         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
17439         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
17440
17441 2009-06-17  Ian Lance Taylor  <iant@google.com>
17442
17443         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
17444         Change all uses.
17445         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
17446         call uses.
17447
17448 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
17449
17450         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
17451         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
17452         tree_strip_sign_nop_conversions and
17453         tree_ssa_strip_useless_type_conversions rather than stripping
17454         the operations here.
17455         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
17456         Declare them.
17457         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
17458         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
17459         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
17460         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
17461         functions.
17462
17463 2009-06-17  Michael Eager  <eager@eagercon.com>
17464
17465         * config/rs6000/constraints.md (register_constraint "d"): New.
17466         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
17467         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
17468         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
17469         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
17470         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
17471         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
17472         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
17473         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
17474         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
17475         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
17476         __fctiwz): Same.
17477         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
17478         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
17479         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
17480         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
17481         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
17482         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
17483         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
17484         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
17485         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
17486         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
17487         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
17488         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
17489         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
17490         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
17491
17492 2009-06-16  Ian Lance Taylor  <iant@google.com>
17493
17494         * profile.c (total_num_never_executed): Don't define.
17495         (compute_branch_probabilities): Don't count or print
17496         num_never_executed.
17497         (init_branch_prob): Don't set total_num_never_executed.
17498         (end_branch_prob): Don't print total_num_never_executed.
17499
17500 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
17501
17502         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
17503
17504 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
17505
17506         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
17507         (nabstd2_fpr): Same.
17508
17509 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
17510
17511         * expr.c (expand_assignment): Change complex type check.
17512
17513 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
17514
17515         * doc/plugins.texi (Building GCC plugins): Added new section.
17516
17517 2009-06-17  Ian Lance Taylor  <iant@google.com>
17518
17519         * c-pch.c (get_ident): Don't set size of templ array.
17520         (pch_init): Don't set size of partial_pch array.
17521
17522         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
17523         string constant to intialize an array whose size is the length of
17524         the string.
17525
17526 2009-06-17  Richard Guenther  <rguenther@suse.de>
17527
17528         PR tree-optimization/40389
17529         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
17530         to addressable types.
17531         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
17532
17533 2009-06-17  Richard Guenther  <rguenther@suse.de>
17534
17535         PR middle-end/40460
17536         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
17537         if there is no evolution of left in the loop bail out.
17538         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
17539         chrec_fold_multiply.
17540
17541 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
17542             Janis Johnson  <janis187@us.ibm.com>
17543
17544         PR target/39254
17545         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
17546         for the symbol ref of a constant that is the source of a move
17547         - nor for any other not-obvious-label-ref constants.
17548
17549 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
17550
17551         * plugin.c (position_pass): Skip newly inserted pass during list
17552         traversal to avoid repeated insertion.
17553
17554 2009-06-16  Ian Lance Taylor  <iant@google.com>
17555
17556         * vec.h (VEC_stack_alloc): Define different version if
17557         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
17558         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
17559         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
17560         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
17561
17562 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
17563
17564         * config.gcc (extra_headers): Add ia32intrin.h for x86.
17565
17566         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
17567         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
17568         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
17569         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
17570         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
17571         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
17572         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
17573         (bdesc_special_args): Add __builtin_ia32_rdtsc and
17574         __builtin_ia32_rdtscp.
17575         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
17576         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
17577         and __builtin_ia32_rorhi.
17578         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
17579         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
17580         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
17581         (ix86_expand_args_builtin): Likewise.
17582         (ix86_expand_special_args_builtin): Likewise.
17583
17584         * config/i386/i386.md (UNSPECV_RDTSCP): New.
17585         (UNSPECV_RDTSC): Likewise.
17586         (UNSPECV_RDPMC): Likewise.
17587         (*bsr): Renamed to ...
17588         (bsr): This
17589         (*bsr_rex64): Renamed to ...
17590         (bsr_rex64): This.
17591         (rdpmc): New.
17592         (*rdpmc): Likewise.
17593         (*rdpmc_rex64): Likewise.
17594         (rdtsc): Likewise.
17595         (*rdtsc): Likewise.
17596         (*rdtsc_rex64): Likewise.
17597         (rdtscp): Likewise.
17598         (*rdtscp): Likewise.
17599         (*rdtscp_rex64): Likewise.
17600
17601         * config/i386/ia32intrin.h: New.
17602
17603         * config/i386/x86intrin.h: Include <ia32intrin.h>.
17604
17605 2009-06-16  Ian Lance Taylor  <iant@google.com>
17606
17607         * ira-build.c (copy_info_to_removed_store_destinations):
17608         Initialize parent_a.
17609
17610 2009-06-16  Ian Lance Taylor  <iant@google.com>
17611
17612         * c-decl.c (grokdeclarator): Change size_varies to bool.
17613
17614 2009-06-16  Ian Lance Taylor  <iant@google.com>
17615
17616         * sel-sched.c: Make forward declarations of move_op_hooks and
17617         fur_hooks explicitly extern.
17618
17619 2009-06-16  Ian Lance Taylor  <iant@google.com>
17620
17621         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
17622         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
17623
17624 2009-06-16  Ian Lance Taylor  <iant@google.com>
17625
17626         * resource.c (mark_referenced_resources): Change
17627         include_delayed_effects parameter to bool.  Change all callers.
17628         (mark_end_of_function_resources): Likewise.
17629         * reorg.c (insn_references_resource_p): Likewise.
17630         (insn_sets_resource_p): Likewise.
17631         * resource.h (mark_referenced_resources): Update declaration.
17632         (mark_end_of_function_resources): Update declaration.
17633
17634 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
17635
17636         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
17637
17638 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
17639
17640         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
17641         GCC can bootstrap on AIX with GNU Binutils 2.20.
17642
17643 2009-06-16  Ian Lance Taylor  <iant@google.com>
17644
17645         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
17646
17647 2009-06-16  Ian Lance Taylor  <iant@google.com>
17648
17649         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
17650         inline, not extern inline.
17651         (exact_log2): Likewise.
17652         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
17653         test CLZ_HWI.
17654         (exact_log2): Likewise, but don't test CTZ_HWI.
17655
17656 2009-06-16  Ian Lance Taylor  <iant@google.com>
17657
17658         * bitmap.c (bitmap_clear): Don't declare as inline.
17659         * gimple.c (gimplify_assign): Likewise.
17660         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
17661         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
17662         (sched_scan_info): Remove duplicate definition.
17663
17664 2009-06-16  Ian Lance Taylor  <iant@google.com>
17665
17666         * c-common.c (skip_evaluation): Don't define.
17667         (c_inhibit_evaluation_warnings): Define global variable.
17668         (overflow_warning): Check c_inhibit_evaluation_warnings rather
17669         than skip_evaluation.
17670         (convert_and_check, warn_for_div_by_zero): Likewise.
17671         * c-common.h (skip_evaluation): Don't declare.
17672         (c_inhibit_evaluation_warnings): Declare.
17673         * c-parser.c (c_parser_typeof_specifier): Set
17674         c_inhibit_evaluation_warnings rather than skip_evaluation.
17675         (c_parser_conditional_expression): Likewise.
17676         (c_parser_binary_expression): Likewise.
17677         (c_parser_sizeof_expression): Likewise.
17678         (c_parser_alignof_expression): Likewise.
17679         * c-typeck.c (build_indirect_ref): Check
17680         c_inhibit_evaluation_warnings rather than skip_evaluation.
17681         (build_conditional_expr, build_binary_op): Likewise.
17682
17683 2009-06-16  Richard Guenther  <rguenther@suse.de>
17684
17685         * tree-ssa-alias.c (is_escape_site): Remove.
17686         * tree-ssa-alias.h (enum escape_type): Remove.
17687         (is_escape_site): Likewise.
17688         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
17689         via casts and asms without deferring to is_escape_site.
17690
17691 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
17692
17693         PR middle-end/40446
17694         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
17695         use gen_lowpart if op0 has complex mode.
17696
17697 2009-06-16  Richard Guenther  <rguenther@suse.de>
17698
17699         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
17700         variables add them to ESCAPED.
17701         (find_func_aliases): Do not make all indirectly stored values escaped.
17702
17703 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
17704
17705         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
17706         make_decl_one_only.
17707
17708 2009-06-16  Martin Jambor  <mjambor@suse.cz>
17709
17710         PR tree-optimization/40432
17711         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
17712         check whether we need to force gimple register operand.
17713
17714 2009-06-16  Martin Jambor  <mjambor@suse.cz>
17715
17716         PR tree-optimization/40413
17717         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
17718         build_ref_for_offset.
17719         (propagate_subacesses_accross_link): Fix a typo in a comment.
17720
17721 2009-06-16  Ira Rosen  <irar@il.ibm.com>
17722
17723         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
17724         with additional parameter.
17725         * tree-vectorizer.h (enum vect_def_type): Add new value
17726         vect_nested_cycle.
17727         (enum vect_relevant): Add comments.
17728         (vect_is_simple_reduction): Add new argument.
17729         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
17730         Detect nested cycles.
17731         (vect_is_simple_reduction): Update documentation, add an argument to
17732         distinguish inner-loop reduction from nested cycle, detect nested
17733         cycles, fix printings and indentation, don't swap operands in case
17734         of nested cycle.
17735         (get_initial_def_for_reduction): Handle subtraction.
17736         (vect_create_epilog_for_reduction): Add new argument to specify
17737         reduction variable.
17738         (vect_finalize_reduction): Handle subtraction, fix comments.
17739         (vectorizable_reduction): Handle nested cycles. In case of nested
17740         cycle keep track of the reduction variable position. Call
17741         vect_is_simple_reduction with additional parameter. Use original
17742         statement code in reduction epilogue for nested cycle. Call
17743         vect_create_epilog_for_reduction with additional parameter.
17744         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
17745         inner-loop vectorization.
17746         (vect_recog_widen_sum_pattern): Likewise.
17747         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
17748         and reductions.
17749         (vect_mark_stmts_to_be_vectorized): Likewise.
17750         (vect_get_vec_def_for_operand): Handle nested cycles.
17751
17752 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17753
17754         * doc/invoke.texi (Debugging Options): Fix option index entries
17755         for -fdump-statistics, -frandom-seed add entries for
17756         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
17757         (FRV Options): Fix entries for -mTLS, -mtls.
17758         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
17759         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
17760         (M68hc1x Options): Fix @itemx for -mnominmax.
17761         (MCore Options): Fix entry for -mno-lsim.
17762         (MMIX Options): Fix entry for -mabi=mmixware.
17763         (PDP-11 Options): Fix entry for -mbcopy-builtin.
17764
17765 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
17766
17767         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
17768         Mention the plugin mode of gengtype.
17769         * doc/gty.texi (Source Files Containing Type Information): Likewise.
17770         * gengtype.c: Updated copyright.
17771         (plugin_files, nb_plugin_files) Added new static variables.
17772         (measure_input_list) Care about plugin_files.
17773         (write_rtx_next): Added early return in plugin mode.
17774         (create_file): Updated copyright year in generated file. Added
17775         asserts.
17776         (oprintf): Added early return if NULL outf.
17777         (get_output_file_with_visibility): Care of plugin_files.
17778         (get_output_file_name): May return null.
17779         (write_local): Added early return.
17780         (put_mangled_filename): Ditto.
17781         (finish_root_table): Added check for base_files.
17782         (write_roots): Care about null when plugins.
17783         (main): Added plugin mode.
17784
17785 2009-06-15  Ian Lance Taylor  <iant@google.com>
17786
17787         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
17788         * gcov.c (read_count_file): Add braces around variables declared
17789         before label.
17790
17791         * c.opt (Wjump-misses-init): New warning.
17792         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
17793         -Wall and -Wc++-compat if not already set.
17794         (c_common_post_options): Clear warn_jump_misses_init if it was not
17795         set.
17796         * c-decl.c (struct c_binding): Change type field to a union with
17797         new label field.  Make it the first field in the struct.  Update
17798         references to type to use u.type instead.
17799         (struct c_spot_bindings): Define.
17800         (struct c_goto_bindings): Define.
17801         (c_goto_bindings_p): Define, along with VECs.
17802         (struct c_label_vars): Define.
17803         (struct c_scope): Add has_label_bindings field.
17804         (bind_label, set_spot_bindings): New static functions.
17805         (decl_jump_unsafe, update_spot_bindings): New static functions.
17806         (update_label_decls): New static function.
17807         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
17808         Update binding u.label field to shadowed field.
17809         (c_binding_start_stmt_expr): New function.
17810         (c_binding_end_stmt_expr): New function.
17811         (pushdecl): Don't call c_begin_vm_scope.
17812         (make_label): Add defining and p_label_vars parameters.  Change
17813         all callers.
17814         (lookup_label): Correct test for whether a label has not yet been
17815         defined.  Call bind_label rather than bind.
17816         (warn_about_goto): New static function.
17817         (lookup_label_for_goto): New function.
17818         (declare_label): Call bind_label rather than bind.
17819         (check_earlier_gotos): New static function.
17820         (define_label): Don't give errors about jumping into statement
17821         expressions or scopes of variably modified types.  Call
17822         set_spot_bindings and check_earlier_gotos.  Call bind_label
17823         instead of bind.  Don't set label_context_stack_se or
17824         label_context_stack_vm.
17825         (c_get_switch_bindings): New function.
17826         (c_release_switch_bindings): New function.
17827         (c_check_switch_jump_warnings): New function.
17828         (start_function): Don't set label_context_stack_se or
17829         label_context_stack_vm.
17830         (finish_function): Likewise.
17831         * c-typeck.c (label_context_stack_se): Don't define.
17832         (label_context_stack_vm): Don't define.
17833         (c_finish_goto_label): Call lookup_label_for_goto rather than
17834         lookup_label.  Don't give errors about jumping into a statement
17835         expression or the scope of a variably modified type.  Don't set
17836         label_context_stack_se or label_context_stack_vm.
17837         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
17838         fields.  Add bindings field.
17839         (c_start_case): Don't set deleted fields.  Set bindings field.
17840         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
17841         or blocked_vm.  Call c_check_switch_jump_warnings.
17842         (c_finish_case): Don't test blocked_stmt_expr field.  Call
17843         c_release_switch_bindings.
17844         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
17845         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
17846         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
17847         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
17848         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
17849         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
17850         (c_begin_vm_scope, c_end_vm_scope): Don't define.
17851         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
17852         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
17853         (C_DECL_UNJUMPABLE_VM): Don't define.
17854         (C_DECL_UNDEFINABLE_VM): Don't define.
17855         (struct c_label_list): Don't define.
17856         (struct c_label_context_se): Don't define.
17857         (struct c_label_context_vm): Don't define.
17858         (struct c_spot_bindings): Declare.
17859         (c_bindings_start_stmt_expr): Declare.
17860         (c_bindings_end_stmt_expr): Declare.
17861         (lookup_label_for_goto): Declare.
17862         (c_get_switch_bindings, c_release_switch_bindings): Declare.
17863         (c_check_switch_jump_warnings): Declare.
17864         (label_context_stack_se, label_context_stack_vm): Don't declare.
17865         (c_finish_goto_label): Update declaration.
17866         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
17867         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
17868         (Warning Options): Document -Wjump-misses-init.
17869
17870 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
17871
17872         * tree-object-size.c (addr_object_size): Fix a pasto in the last
17873         change.
17874
17875 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
17876
17877         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
17878
17879 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
17880
17881         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
17882
17883 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
17884
17885         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
17886
17887 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
17888
17889         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
17890         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
17891         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
17892         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
17893         * dwarf2asm.c (dw2_force_const_mem): Update call to
17894         make_decl_one_only.
17895         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
17896         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
17897         * langhooks.c (lhd_comdat_group): Remove.
17898         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
17899         * tree.h (DECL_COMDAT_GROUP): New.
17900         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
17901         (tree_decl_with_vis): Add comdat_group. Remove one_only.
17902         (make_decl_one_only): Change signature.
17903         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
17904         make_decl_one_only.
17905         (make_decl_one_only): Change signature.
17906         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
17907
17908 2009-06-15  Richard Guenther  <rguenther@suse.de>
17909
17910         PR middle-end/40439
17911         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
17912
17913 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17914
17915         * tree-ssa-math-opts.c: Remove extra divide.
17916
17917 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17918
17919         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
17920
17921 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17922
17923         * passes.c: Add bswap pass.
17924         * tree-pass.h: Add pass_optimize_bswap declaration.
17925         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
17926         Include rtl.h, expr.h and optabs.h for optab_handler check.
17927         (struct symbolic_number, pass_optimize_bswap): New definition.
17928         (do_shift_rotate, verify_symbolic_number_p): New functions.
17929         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
17930         (gate_optimize_bswap): New function.
17931         * tree.c (widest_int_cst_value): New function.
17932         * tree.h (widest_int_cst_value): Prototype added.
17933
17934 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
17935
17936         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
17937         REG_EQUAL/REG_EQUIV notes.
17938
17939 2009-06-14  Richard Guenther  <rguenther@suse.de>
17940
17941         PR middle-end/40389
17942         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
17943         has its address taken if NRV was applied and it is addressable.
17944         * tree-ssa-structalias.c (get_constraint_for_address_of): New
17945         function split out from ...
17946         (get_constraint_for_1): ... here.
17947         (handle_rhs_call): Use it to mark the return slot escaped if
17948         it is addressable and NRV was applied.
17949
17950 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
17951
17952         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
17953         Change first argument type to location_t.
17954         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
17955         Do not set input_location.
17956         Use loc instead of input_location throughout.
17957
17958 2009-06-13  Richard Guenther  <rguenther@suse.de>
17959
17960         PR tree-optimization/40421
17961         * tree-predcom.c (should_unroll_loop_p): Remove.
17962         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
17963
17964 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
17965
17966         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17967         Add location argument.
17968
17969 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
17970
17971         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
17972         build_decl.
17973         * config/s390/s390.c (s390_build_builtin_va_list): Same.
17974         (s390_gimplify_va_arg): Pass location to create_artificial_label.
17975         * config/spu/spu-protos.h: Add location to
17976         spu_resolve_overloaded_builtin.
17977         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
17978         spu_build_builtin_va_list.
17979         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
17980         argument.  Pass location to build_function_call_vec.
17981         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
17982         build_decl.
17983         (emit_fpu_switch): Same.
17984         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
17985         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
17986         to build_decl and create_artificial_label.
17987         (xtensa_gimplify_va_arg_expr): Same.
17988         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
17989         (xstormy16_gimplify_va_arg_expr): Same.
17990         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
17991         * config/arm/arm.c (arm_build_builtin_va_list): Same.
17992         * config/mips/mips.c (mips_build_builtin_va_list): Same.
17993         (mips16_build_function_stub): Same.
17994         (mips16_build_call_stub): Same.
17995
17996 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
17997
17998         PR target/40327
17999         * arm/constraints.md (Pa, Pb): New constraints.
18000         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
18001         split pattern to deal with them.
18002
18003 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
18004
18005         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
18006         fix index entry for -Xpreprocessor.
18007
18008 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
18009
18010         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
18011         Add location argument to build_decl call.
18012         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
18013         (rs6000_init_builtins): Same.
18014         (spe_init_builtins): Same.
18015         (rs6000_gimplify_va_arg): Add location argument to
18016         create_artificial_label call.
18017
18018 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
18019
18020         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
18021         * combine-stack-adj.c (pass_stack_adjustments): Use it.
18022         * Makefile.in: Fix GGC dependency for gcse.o.
18023
18024 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
18025
18026         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
18027         * gimple-pretty-print.c (dump_gimple_stmt): Same.
18028         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
18029         created.
18030         * c-parser.c (c_parser_binary_expression): Use current column while
18031         building binary operations.
18032         * common.opt (fshow-column): Enable by default.
18033         * tree-vrp.c (check_array_ref): Use warning_at.
18034         (check_array_bounds): Use location from call back if expr has no
18035         location.
18036         * tree.h: Add location argument to maybe_fold_*.
18037         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
18038         (maybe_fold_offset_to_array_ref): Add location argument and use it.
18039         (maybe_fold_offset_to_component_ref): Same.
18040         (maybe_fold_offset_to_reference): Same.
18041         (maybe_fold_offset_to_address): Same.
18042         (maybe_fold_stmt_indirect): Same.
18043         (maybe_fold_stmt_addition): Same.
18044         (fold_stmt_r): Pass location to maybe_fold_*.
18045         (fold_gimple_assign): Same.
18046         * c-tree.h: Add location argument to finish_decl,
18047         default_function_array_conversion, store_init_value.
18048         * c-decl.c (define_label): Use error_at.
18049         (c_make_fname_decl): Pass location to finish_decl.
18050         (finish_decl): New location argument.
18051         (build_compound_literal): Pass location to store_init_value.
18052         (grokdeclarator): Pass location to finish_decl.
18053         (grokfield): Same.
18054         * c-typeck.c (array_to_pointer_conversion): New location argument.
18055         (function_to_pointer_conversion): Same.
18056         (default_function_array_conversion): Same.
18057         (parser_build_unary_op): Pass location to overflow_warning.
18058         (parser_build_binary_op): Same.  Use warning_at.
18059         (build_unary_op): Pass location to array_to_pointer_conversion.
18060         (build_c_cast): Pass location to digest_init.
18061         (build_modify_expr): New location argument.
18062         (convert_for_assignment): Same.
18063         (store_init_value): Same.
18064         (digest_init): Same.
18065         (output_init_element): Pass location to digest_init and
18066         array_to_pointer_conversion.
18067         (c_finish_return): Pass location to convert_for_assignment.
18068         * gimplify.c (gimplify_conversion): Pass location to
18069         maybe_fold_offset_to_address.
18070         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
18071         to maybe_fold_stmt_addition.
18072         * c-omp.c (c_finish_omp_atomic): Pass new location to
18073         build_modify_expr.
18074         (c_finish_omp_for): Same.
18075         * c-common.c (overflow_warning): New argument.
18076         * c-common.h: New argument to build_modify_expr, overflow_warning.
18077         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
18078         finish_decl.
18079         (c_parser_initializer): Pass location to
18080         default_function_array_conversion.
18081         (c_parser_initelt): Same.
18082         (c_parser_initval): Same.
18083         (c_parser_asm_operands): Same.
18084         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
18085         (c_parser_conditional_expression): Same.
18086         (c_parser_binary_expression): Add location info to stack.  Use it.
18087         (c_parser_unary_expression): Pass location to
18088         default_function_array_conversion, parser_build_unary_op,
18089         build_indirect_ref, c_parser_postfix_expression_after_primary.
18090         (c_parser_postfix_expression_after_primary): New location argument.
18091         Use it.
18092         (c_parser_expression_conv): Pass location to
18093         default_function_array_conversion.
18094         (c_parser_expr_list): Same.
18095         (c_parser_omp_atomic): Same.
18096         (c_parser_omp_for_loop): Same.
18097         * c-tree.h (struct c_declarator): Add comment to id_loc.
18098         (build_array_declarator): New argument.
18099         * c-decl.c (build_array_declarator): Add location argument.
18100         (grokdeclarator): Set id_loc for cdk_array.
18101         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
18102         build_array_declarator.
18103         * tree.c (build_omp_clause): Add location argument.
18104         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
18105         (OMP_CLAUSE_LOCATION): New macro.
18106         (struct tree_omp_clause): Add location field.
18107         (build_omp_clause): Add argument.
18108         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
18109         build_omp_clause.
18110         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
18111         (cp_parser_omp_clause_collapse): Same.
18112         (cp_parser_omp_clause_default): Same.
18113         (cp_parser_omp_clause_if): Same.
18114         (cp_parser_omp_clause_nowait): Same.
18115         (cp_parser_omp_clause_num_threads): Same.
18116         (cp_parser_omp_clause_ordered): Same.
18117         (cp_parser_omp_clause_schedule): Same.
18118         (cp_parser_omp_clause_untied): Same.
18119         (cp_parser_omp_for_loop): Same.
18120         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
18121         * c-tree.h (c_start_case): Add location argument.
18122         (c_process_expr_stmt): Same.
18123         (c_finish_goto_*): Same.
18124         * tree-parloops.c (initialize_reductions): Pass location to
18125         build_omp_clause.
18126         (create_parallel_loop): Same.
18127         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
18128         (gfc_trans_omp_reduction_list): Same.
18129         (gfc_trans_omp_clauses): Same.
18130         (gfc_trans_omp_do): Same.
18131         * c-typeck.c (c_finish_goto_label): Same.
18132         (c_finish_goto_ptr): New location argument.
18133         (c_start_case): Same.
18134         (emit_side_effect_warnings): Same.
18135         (c_process_expr_stmt): Same.
18136         (c_finish_stmt_expr): Same.
18137         (c_finish_omp_clauses): Use error_at instead of error.
18138         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
18139         build_omp_clause.
18140         * c-omp.c (c_split_parallel_clauses): New location argument.
18141         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
18142         to build_omp_clause.
18143         (convert_local_reference_stmt): Same.
18144         (convert_gimple_call): Same.
18145         * c-common.h (c_split_parallel_clauses): New argument.
18146         * c-parser.c (c_parser_statement_after_labels): Pass location to
18147         c_finish_goto_label.
18148         (c_parser_switch_statement): Pass location to c_start_case.
18149         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
18150         and c_process_expr_stmt.
18151         (c_parser_omp_variable_list): Add location argument.
18152         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
18153         (c_parser_omp_clause_default): Same.
18154         (c_parser_omp_clause_if): Same.
18155         (c_parser_omp_clause_num_threads): Same.
18156         (-c_parser_omp_clause_ordered): Same.
18157         (c_parser_omp_clause_reduction): Pass location to
18158         c_parser_omp_variable_list.
18159         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
18160         (c_parser_omp_clause_untied): Same.
18161         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
18162         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
18163
18164         * c-tree.h (check_for_loop_decls, undeclared_variable,
18165         build_component_ref, build_array_ref, build_external_ref,
18166         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
18167         build_conditional_expr, build_compound_expr, c_cast_expr,
18168         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
18169         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
18170         argument.
18171         * c-semantics.c (build_stmt): Same.
18172         (build_case_label): Same.
18173         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
18174         (undeclared_variable): New argument.
18175         (make_label): Same.
18176         (lookup_label): Pass location on down.
18177         (define_label): Same.
18178         (finish_decl): Same.
18179         (build_compound_literal): Same.
18180         (finish_struct): Same.
18181         (finish_function): Do not set location here.
18182         (check_for_loop_decls): New argument.
18183         * tree.c (save_expr): Set location.
18184         (build_empty_stmt): New argument.
18185         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
18186         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
18187         * builtins.c (gimplify_va_arg_expr): Use locations.
18188         (expand_builtin_sync_operation): Same.
18189         * c-typeck.c (build_component_ref): New argument.
18190         (build_array_ref): Same.
18191         (build_external_ref): Same.
18192         (c_expr_sizeof_expr): Same.
18193         (c_expr_sizeof_type): Same.
18194         (parser_build_unary_op): Same.
18195         (build_conditional_expr): Same.
18196         (build_compound_expr): Pass location on down.
18197         (build_compound_expr): New argument.
18198         (build_c_cast): Same.
18199         (c_cast_expr): Same.
18200         (build_asm_expr): Same.
18201         (c_finish_return): Same.
18202         (c_process_expr_stmt): Pass location on down.
18203         (c_finish_stmt_expr): New argument.
18204         (push_clenaup): Same.
18205         (c_finish_omp_parallel): Same.
18206         (c_finish_omp_task): Same.
18207         * gimplify.c (gimplify_call_expr): Pass location on down.
18208         * c-omp.c (c_finish_omp_master): New argument.
18209         (c_finish_omp_critical): Same.
18210         (c_finish_omp_ordered): Same.
18211         (c_finish_omp_barrier): Same.
18212         (-c_finish_omp_taskwait): Same.
18213         (c_finish_omp_atomic): Same.
18214         (c_finish_omp_flush): Same.
18215         * tree-inline.c (copy_tree_body_r): Pass location on down.
18216         (inline_forbidden_p): Remove use of input_location.
18217         * c-gimplify.c (c_build_bind_expr): New argument.
18218         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
18219         (c_sizeof_or_alignof_type): New argument.
18220         (c_alignof_expr): Same.
18221         (build_va_arg): Same.
18222         (c_add_case_label): Same.
18223         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
18224         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
18225         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
18226         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
18227         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
18228         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
18229         New argument.
18230         * stub-objc.c (objc_build_selector_expr): Same.
18231         (objc_build_throw_stmt): Same.
18232         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
18233         (c_parser_initelt): Same.
18234         (c_parser_compound_statement): Same.
18235         (c_parser_compound_statement_nostart): Same.
18236         (c_parser_label): Same.
18237         (c_parser_statement_after_labels): Same.
18238         (c_parser_if_body): Same.
18239         (c_parser_else_body): Same.
18240         (c_parser_if_statement): Same.
18241         (c_parser_switch_statement): Same.
18242         (c_parser_while_statement): Same.
18243         (c_parser_do_statement): Same.
18244         (c_parser_for_statement): Same.
18245         (c_parser_asm_statement): Same.
18246         (c_parser_conditional_expression): Same.
18247         (c_parser_binary_expression): Same.
18248         (c_parser_cast_expression): Same.
18249         (c_parser_unary_expression): Same.
18250         (c_parser_sizeof_expression): Same.
18251         (c_parser_alignof_expression): Same.
18252         (c_parser_postfix_expression): Same.
18253         (c_parser_expression): Same.
18254         (c_parser_objc_receiver): Same.
18255         (c_parser_omp_variable_list): Same.
18256         (c_parser_omp_structured_block): Same.
18257         (c_parser_omp_atomic): New argument.
18258         (c_parser_omp_barrier): Same.
18259         (c_parser_omp_critical): Same.
18260         (c_parser_omp_flush): Pass location on down.
18261         (c_parser_omp_for_loop): New argument.
18262         (c_parser_omp_for): Same.
18263         (c_parser_omp_master): Same.
18264         (c_parser_omp_ordered): Same.
18265         (c_parser_omp_sections_scope): Same.
18266         (c_parser_omp_sections): Same.
18267         (c_parser_omp_parallel): Same.
18268         (c_parser_omp_single): Same.
18269         (c_parser_omp_task): Same.
18270         (c_parser_omp_taskwait): Pass location on down.
18271         (c_parser_omp_construct): Same.
18272         (c_parser_omp_threadprivate): Same.
18273         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
18274         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
18275         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
18276         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
18277         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
18278         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
18279         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
18280         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
18281         config/i386/i386.c, stmt.c:
18282         Add location argument to the following function definitions and/or
18283         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
18284         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
18285         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
18286         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
18287         do_case, c_finish_bc_stmt, build_compound_literal,
18288         build_function_call.
18289         * c-decl.c (build_compound_literal): Add location argument.
18290         Make all diagnostic calls use location.
18291         (start_struct): Same.
18292         (finish_struct): Same.
18293         (start_enum): Same.
18294         (build_enumerator): Same.
18295         (start_function): Same.
18296         (grokdeclarator): Make all diagnostic calls use location.
18297         (store_parm_decls_oldstyle): Same.
18298         * c-typeck.c (build_function_call): Add location argument.
18299         Make all diagnostic calls use location.
18300         (do_case): Same.
18301         (c_finish_bc_stmt): Same.
18302         * tree-nested.c (get_trampoline_type): Add argument.
18303         Pass location to build_decl.
18304         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
18305         * rtl.h (RTL_LOCATION): New.
18306         * c-common.c (c_add_case_label): Add location argument.
18307         Make all diagnostic calls use location.
18308         * c-common.h: Add location argument to make_fname_decl, do_case,
18309         c_add_case_label, build_function_call, resolve_overloaded_builtin.
18310         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
18311         Set it appropriately for every case.  Pass enum_loc to start_enum
18312         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
18313         parser_xref_tag.
18314         (c_parser_struct_or_union_specifier): Save location.  Use it for
18315         start_struct, finish_struct, and parser_xref_tag.
18316
18317 2009-06-12  Ian Lance Taylor  <iant@google.com>
18318
18319         * fold-const.c (fold_unary): Rename local variable and to and_expr.
18320
18321         * c-opts.c (c_common_handle_option): For -Wc++-compat set
18322         cpp_opts->warn_cxx_operator_names.
18323
18324 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18325
18326         PR tree-opt/38865
18327         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
18328         is returns NULL and OP is a VCE, look through the VCE.
18329
18330 2009-06-12  Ian Lance Taylor  <iant@google.com>
18331
18332         PR bootstrap/40430
18333         * collect2.c (main): Use CONST_CAST2 in code inside #if
18334         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
18335
18336 2009-06-12  Joey Ye  <joey.ye@intel.com>
18337
18338         PR middle-end/39146
18339         * cfgexpand.c (get_decl_align_unit): Update
18340         max_used_stack_slot_alignment with align instead of
18341         stack_alignment_needed.
18342
18343         * function.c (assign_stack_local_1): Update
18344         max_used_stack_slot_alignment with alignment_in_bits instead
18345         of stack_alignment_needed.
18346         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
18347         here.
18348
18349 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
18350
18351         * dwarf2out.c (last_var_location_insn): New variable.
18352         (dwarf2out_end_epilogue): Clear last_var_location_insn.
18353         (dwarf2out_var_location): Don't record anything after last real
18354         insn.  Only change labels if there were any real instructions
18355         in between last note and this one, or if changed sections.
18356
18357 2009-06-11  Richard Henderson  <rth@redhat.com>
18358
18359         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
18360         note when storing the frame pointer in a register.
18361         (FRP): Don't redefine to nothing for epilogue.
18362         (alpha_expand_epilogue): Mark register and sp restores.
18363         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
18364
18365         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
18366         when gen_lowpart is needed.
18367
18368 2009-06-11  Richard Henderson  <rth@redhat.com>
18369
18370         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
18371
18372         * dwarf2out.c (need_data_align_sf_opcode): New.
18373         (div_data_align): Move earlier.
18374         (def_cfa_1, reg_save): Use it.
18375
18376 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
18377
18378         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
18379         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
18380         (ix86_handle_option): Handle OPT_mcrc32.
18381         (ix86_target_string): Add -mcrc32.
18382         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
18383
18384         * config/i386/i386.h (TARGET_CRC32): New.
18385
18386         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
18387         (sse4_2_crc32di): Likewise.
18388
18389         * config/i386/i386.opt (mcrc32): New.
18390
18391         * doc/invoke.texi: Document -mcrc32.
18392
18393 2009-06-11  Richard Henderson  <rth@redhat.com>
18394
18395         * common.opt (gdwarf-): Accept a version number.
18396         * doc/invoke.texi (gdwarf-): Update docs.
18397         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
18398         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
18399         version level, and record it.
18400
18401         * dwarf2.h (DW_CIE_VERSION): Remove.
18402         * dwarf2out.c (DWARF_VERSION): Remove.
18403         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
18404         (output_call_frame_info): Use CIE version 3 for dwarf3,
18405         or if the return register column is out of range for version 1.
18406         (dwarf_stack_op_name): Add all dwarf3 values.
18407         (DEBUG_PUBTYPES_SECTION): New.
18408         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
18409         encoding change for dwarf3.
18410         (output_die) [dw_val_class_die_ref]: Likewise.
18411         (output_compilation_unit_header): Emit correct version for dwarf3.
18412         (output_line_info): Likewise.
18413         (output_pubnames): Update for DWARF_VERSION removal.
18414         (output_aranges): Likewise.
18415         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
18416         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
18417         (dwarf2out_finish): Likewise.
18418
18419 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
18420
18421         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
18422         in r148403.
18423
18424 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
18425
18426         PR c/39252
18427         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
18428         * builtins.c (expand_builtin_unreachable): New function.
18429         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
18430         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
18431         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
18432         successors.
18433         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
18434         searching for missing barriers.
18435
18436 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
18437
18438         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
18439         when -fprofile-generate* was passed.
18440         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
18441
18442 2009-06-11  Anthony Green  <green@moxielogic.com>
18443
18444         * config/moxie/moxie.md: Define length attribute for all instructions.
18445         (rCC): Define.
18446         (*b<cond:code>): Support limited branch ranges for new PC-relative
18447         branch instructions.
18448         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
18449
18450 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
18451
18452         * config/i386/i386.c (min_insn_size): Use get_attr_length
18453         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
18454         For __asm return 0.
18455
18456         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
18457         instead of emit_insn_before.
18458
18459 2009-06-10  Ian Lance Taylor  <iant@google.com>
18460
18461         PR bootstrap/40408
18462         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
18463         GIMPLE_SWITCH.
18464
18465 2009-06-10  Revital Eres  <eres@il.ibm.com>
18466
18467         * passes.c (init_optimization_passes): Reschedule
18468         predictive-commoning pass before complete unroll pass.
18469
18470 2009-06-10  Martin Jambor  <mjambor@suse.cz>
18471
18472         * cgraph.c (cgraph_node_can_be_local_p): New function.
18473         (cgraph_make_node_local): New function.
18474         * cgraph.h (cgraph_node_can_be_local_p): Declare.
18475         (cgraph_make_node_local): Declare.
18476
18477 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
18478
18479         * tree.h (tree_base): Add packed_flag and user_align fields.
18480         Decrease size of spare field.
18481         (TYPE_USER_ALIGN): Use user_align from tree_base.
18482         (DECL_USER_ALIGN): Likewise.
18483         (TYPE_PACKED): Use packed_flag from tree_base.
18484         (DECL_PACKED): Likewise.
18485         (tree_type): Delete packed_flag and user_align fields.  Widen
18486         precision field.  Widen mode field and shuffle fields to align
18487         mode on an 8-bit boundary.
18488         (tree_decl_common): Delete decl_flag_1 and user_align fields.
18489         Renumber decl_flag_* fields.  Fix comments.  Widen
18490         decl_common_unused field.
18491         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
18492         (DECL_EXTERNAL): Likewise.
18493         (DECL_BIT_FIELD): Likewise.
18494         (DECL_NONADDRESSABLE_P): Likewise.
18495         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
18496         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
18497
18498 2009-06-10  Ian Lance Taylor  <iant@google.com>
18499
18500         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
18501         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
18502         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
18503         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
18504         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
18505         DEF_VEC_ALLOC_FUNC_P.
18506         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
18507         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
18508         DEF_VEC_ALLOC_FUNC_O.
18509         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
18510         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
18511         DEF_VEC_ALLOC_FUNC_I.
18512         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
18513         (vec_stack_p_reserve_exact_1): Declare.
18514         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
18515         (vec_stack_free): Declare.
18516         (VEC_stack_alloc): Define.
18517         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
18518         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
18519         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
18520         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
18521         for void_p.
18522         (stack_vecs): New static variable.
18523         (vec_stack_p_reserve_exact_1): New function.
18524         (vec_stack_o_reserve_1): New static function.
18525         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
18526         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
18527         (vec_stack_free): New function.
18528         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
18529         (VEC_df_ref_stack_alloc): Define.
18530         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
18531         DEF_VEC_ALLOC_P_STACK.
18532         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
18533         (struct df_collection_rec): Change _vec fields to VEC.  Remove
18534         _use fields.
18535         (df_free_collection_rec): Adjust for new fields.
18536         (df_insn_rescan): Use new df_collection_rec fields.
18537         (df_notes_rescan, df_canonize_collection_rec): Likewise.
18538         (df_ref_create_structure, df_ref_record): Likewise.
18539         (df_get_conditional_uses, df_get_call_refs): Likewise.
18540         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
18541         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
18542         (df_record_exit_block_uses, df_bb_verify): Likewise.
18543         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
18544         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
18545         Remove count parameter.  Change return type to void.  Change all
18546         callers.
18547         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
18548         Remove count parameter.  Change return type to void.  Change all
18549         callers.
18550         (df_install_refs): Change old_vec parameter to VEC.  Remove count
18551         parameter.  Change all callers.
18552         (df_install_mws): Change old_vec parameter to VEC.  Remove count
18553         parameter.  Change all callers.
18554         (df_refs_verify): Change new_rec parameter to VEC.  Change call
18555         callers.
18556         (df_mws_verify): Likewise.
18557
18558 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
18559
18560         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
18561
18562 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
18563
18564         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
18565
18566 2009-06-10  Anthony Green  <green@moxielogic.com>
18567
18568         * config/moxie/crti.asm: New file.
18569         * config/moxie/crtn.asm: New file.
18570         * config/moxie/moxie.c: New file.
18571         * config/moxie/moxie.h: New file.
18572         * config/moxie/sfp-machine.h: New file.
18573         * config/moxie/moxie-protos.h: New file.
18574         * config/moxie/t-moxie: Created.
18575         * config/moxie/t-moxie-softfp: Created.
18576         * config/moxie/moxie.md: Created.
18577         * config/moxie/constraints.md: Created.
18578         * config.gcc: Add moxie support.
18579         * doc/md.texi (Machine Constraints): Add moxie constraints.
18580         * doc/contrib.texi (Contributors): Mention moxie port.
18581         * doc/install.texi (Specific): Mention the moxie port.
18582
18583 2009-06-09  Ian Lance Taylor  <iant@google.com>
18584
18585         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
18586         compiling with C++.
18587         * optabs.c (optab_table): Only use designated initializers if
18588         HAVE_DESIGNATED_INITIALIZERS is defined.
18589         (convert_optab_table): Likewise.
18590         (init_optabs): Always call init_insn_codes if
18591         HAVE_DESIGNATED_INITIALIZERS is not defined.
18592
18593 2009-06-09  Ian Lance Taylor  <iant@google.com>
18594
18595         * targhooks.c (default_builtin_vectorized_function): Change fn
18596         parameter to unsigned int.
18597         (default_builtin_vectorized_conversion): Change code parameter to
18598         unsigned int.
18599         (default_builtin_reciprocal): Change fn parameter to unsigned int.
18600         * targhooks.h: Update declarations.
18601         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
18602         parameter to unsigned int.
18603
18604         * c-typeck.c (comptypes_check_enum_int): New static function.
18605         (comptypes_internal): Add enum_and_int_p parameter.  Change all
18606         callers.
18607         (comp_target_types): Add location parameter.  Change all callers.
18608         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
18609         Change all callers.
18610         (function_types_compatible_p, type_lists_compatible_p): Likewise.
18611         (build_conditional_expr): Add colon_loc parameter.  Change all
18612         callers.
18613         (convert_for_assignment): Add location parameter.  Change all callers.
18614         * c-parser.c (c_parser_conditional_expression): Pass location of
18615         colon to build_conditional_expr.
18616         * c-tree.h (build_conditional_expr): Update declaration.
18617
18618 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
18619
18620         * graphite.c: Revert previous patch.
18621
18622 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
18623
18624         PR bootstrap/40103
18625         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
18626
18627 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
18628
18629         * tree-ssa-loop-prefetch.c
18630         (loop_prefetch_arrays): Fixed a portability problem in printf format
18631         string.
18632
18633 2009-06-09  Martin Jambor  <mjambor@suse.cz>
18634
18635         PR tree-optimization/40351
18636         * tree-sra.c (propagate_subacesses_accross_link): Check that a
18637         refrence to a potential artifical subaccess can be constructed.
18638
18639 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
18640
18641         * config/sh/sh-protos.h (sh_optimization_options): Declare.
18642         (sh_override_options): Likewise.
18643         * config/sh/sh.c: Include params.h.
18644         (sh_optimization_options): New.
18645         (sh_override_options): Likewise.
18646         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
18647         (OVERRIDE_OPTIONS): Use sh_override_options.
18648
18649 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
18650
18651         * dwarf2out.c (emit_cfa_remember): New variable.
18652         (add_fde_cfi): If emit_cfa_remember, recurse to add
18653         DW_CFA_remember_state first.
18654         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
18655         instead just set emit_cfa_remember.
18656
18657 2009-06-08  Jan Hubicka  <jh@suse.cz>
18658
18659         PR debug/40126
18660         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
18661
18662 2009-06-08  Jan Hubicka  <jh@suse.cz>
18663
18664         PR middle-end/39834
18665         * cgraphunit.c (save_inline_function_body): Do not copy transform
18666         hooks for saved inline bodies.
18667         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
18668         for given function.
18669
18670 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
18671
18672         * jump.c (returnjump_p): Handle delayed branches.  Add missing
18673         function comment.
18674
18675 2009-06-08  Jan Hubicka  <jh@suse.cz>
18676
18677         PR middle-end/40102
18678         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
18679         original node might've been modified.
18680         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
18681
18682 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
18683
18684         * tree-object-size.c (addr_object_size): Add OSI argument.
18685         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
18686         (compute_builtin_object_size, expr_object_size): Adjust callers.
18687         (plus_stmt_object_size): Call addr_object_size instead of
18688         compute_builtin_object_size.
18689
18690 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
18691             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
18692
18693         * tree-ssa-loop-prefetch.c
18694         (gather_memory_references): Introduced a counter for the number of
18695         memory references.
18696         (anything_to_prefetch_p): Introduced a counter for the number of
18697         prefetches.
18698         (is_loop_prefetching_profitable): New function with a cost model
18699         for prefetching.
18700         (loop_prefetch_arrays): Use the new cost model to determine if
18701         prefetching is profitable.
18702         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
18703         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
18704         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
18705         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
18706         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
18707         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
18708
18709 2009-06-08  Michael Matz  <matz@suse.de>
18710
18711         PR debug/40012
18712         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
18713         partitions use the same.
18714         (expand_one_var): Deal with DECL_RTL sometimes begin set also
18715         for basevars of SSA_NAMEs.
18716         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
18717         to not expand them twice.
18718         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
18719         multiple places.
18720
18721 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
18722
18723         * common.opt (fcompare-debug=, fcompare-debug-second): New.
18724         (fdump-final-insns=, gtoggle): New.
18725         * doc/invoke.texi: Document them.
18726         * final.c (rest_of_clean_state): Dump final insn stream.
18727         * gcc.c (invoke_as): Hook in -fcompare-debug.
18728         (static_spec_functions): Add compare-debug-dump-opt,
18729         compare-debug-self-opt and compare-debug-auxbase-opt.
18730         (compare_debug, compare_debug_second, compare_debug_opt): New.
18731         (switches_debug_check, n_switches_debug_check): New.
18732         (debug_auxbase_opt, debug_check_temp_file): New.
18733         (process_command): Handle -fno-compare-debug, -fcompare-debug and
18734         -fcompare-debug=*.
18735         (do_self_spec): Handle arguments after switches.
18736         (do_spec_1): Add .gk extension to temp file basenames for compare.
18737         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
18738         (cc1_options): Use it instead of normal auxbase computation for
18739         the second compare-debug compilation.
18740         (compare_files): New.
18741         (main): Set up and implement compare debug mode.
18742         (compare_debug_dump_opt_spec_function): New.
18743         (compare_debug_self_opt_spec_function): New.
18744         (compare_debug_auxbase_opt_spec_function): New.
18745         * toplev.c (process_options): Handle flag_gtoggle,
18746         flag_dump_final_insns.
18747         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
18748         during -fcompare-debug-second compilation.
18749
18750 2009-06-07  Ian Lance Taylor  <iant@google.com>
18751
18752         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
18753         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
18754
18755         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
18756         with no default node.  Change warning with %H to warning_at.
18757         Don't clear warn_switch around case checking.
18758         * doc/invoke.texi (Warning Options): Clarify distinction between
18759         -Wswitch and -Wswitch-enum.
18760
18761 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18762
18763         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
18764
18765 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18766
18767         * gbl-ctors.h: Add header guard.
18768
18769 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18770
18771         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
18772         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
18773         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
18774         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
18775         prototypes for removed functions.
18776         (expressions_equal_p): Move to ...
18777         * tree-ssa-sccvn.h: ... here and ...
18778         * matrix-reorg.c: ... adjust includes.
18779
18780 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18781
18782         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
18783
18784 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18785
18786         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
18787         (finish_function): Remove erroneous whitespace.
18788
18789 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18790
18791         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
18792         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
18793
18794 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18795
18796         * errors.c (internal_error): Commentary typo fix.
18797         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
18798         * tree-ssa-pre.c: Ditto.
18799
18800 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18801
18802         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
18803         them is supposed to hold actual statements.
18804
18805 2009-06-06  Ian Lance Taylor  <iant@google.com>
18806
18807         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
18808         empty statements can now have attributes.
18809
18810 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
18811
18812         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
18813         * config/mips/mips.md: Ditto.
18814
18815 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
18816
18817         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
18818         _RELOCATABLE.
18819         (__eabi_uconvert): Likewise.
18820
18821 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
18822
18823         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
18824         CFI_* definitions with IN_GCC.
18825
18826 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
18827
18828         * xcoffout.h (xcoffout_source_line): Update prototype.
18829
18830 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18831
18832         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
18833         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
18834
18835 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
18836
18837         PR middle-end/40340
18838         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
18839         inlined_function_outer_scope_p blocks for artificial inlines
18840         even at -g0/-g1.
18841         * tree.c (tree_nonartificial_location): Rewrite using
18842         block_nonartificial_location.
18843
18844 2009-06-05  Revital Eres  <eres@il.ibm.com>
18845             Leehod Baruch  <leehod@il.ibm.com>
18846
18847         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
18848         (expand_expr_real_1): Remove comment.
18849         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
18850         Vectorize misaligned access when the target supports it.
18851         (vect_supportable_dr_alignment): Check for unaligned access support.
18852         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
18853         and remove asset.
18854
18855 2009-06-05  Julian Brown  <julian@codesourcery.com>
18856
18857         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
18858         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
18859
18860 2009-06-05  Richard Guenther  <rguenther@suse.de>
18861
18862         PR bootstrap/40350
18863         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
18864         as possibly unused.
18865
18866 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
18867
18868         * config/s390/s390.c (global_not_special_regno_p): New static inline.
18869         (save_gprs): Don't tell unwinder when a global register is saved.
18870         (s390_emit_epilogue): Emit needed epilogue unwind info.
18871
18872 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
18873
18874         * dwarf2out.c (deferred_asm_name): New.
18875         (add_name_and_src_coords_attributes): Defer creation of
18876         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
18877         computed yet.
18878         (move_linkage_attr): New.
18879         (dwarf2out_finish): Revisit deferrals and emit attributes at the
18880         right place.
18881
18882 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
18883
18884         * tree-nested.c (finalize_nesting_tree_1): Declare the
18885         frame_decl in the binding tree.
18886
18887 2009-06-04  Cary Coutant  <ccoutant@google.com>
18888
18889         * basic-block.h (struct basic_block_def): Add discriminator field.
18890         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
18891         callers.
18892         * debug.c (do_nothing_debug_hooks): Add additional entry.
18893         (debug_nothing_int_charstar_int): New function.
18894         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
18895         (debug_nothing_int_charstar_int): New declaration.
18896         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
18897         discriminator value in .loc directive.
18898         * final.c (last_discriminator): New variable.
18899         (discriminator): New variable.
18900         (final_start_function): Initialize above variables, pass current
18901         discriminator to debug hook.
18902         (notice_source_line): Check for discriminator change.
18903         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
18904         * sdbout.c (sdbout_source_line): New parameter.
18905         * tree-cfg.c (struct locus_discrim_map): New structure type.
18906         (discriminator_per_locus): New hash table.
18907         (build_gimple_cfg): Allocate and free discriminator hash table.
18908         (make_edges): Call assign_discriminator.
18909         (locus_map_hash): New function.
18910         (locus_map_eq): New function.
18911         (next_discriminator_for_locus): New function.
18912         (same_line_p): New function.
18913         (assign_discriminator): New function.
18914         (make_cond_expr_edges): Call assign_discriminator.
18915         (make_gimple_switch_edges): Likewise.
18916         (first_non_label_stmt): New function.
18917         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
18918         all callers.
18919         * xcoffout.c (xcoffout_source_line): Add new parameter.
18920
18921         * configure.ac (gcc_cv_as_discriminator): New configury check for
18922         gas support for discriminator.
18923         * configure: Regenerate.
18924         * config.in: Regenerate.
18925
18926 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18927
18928         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
18929         val after checking for integers.
18930
18931 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
18932
18933         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
18934         X64_REGPARM_MAX.
18935         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
18936         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
18937         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
18938         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
18939         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
18940         X64_SSE_REGPARM_MAX.
18941         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
18942         X64_SSE_REGPARM_MAX.
18943
18944 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
18945
18946         * gcc.c (report_times_to_file): New.
18947         (execute): Implement it.
18948         (process_command): Support -time=.
18949         * doc/invoke.texi: Document it.
18950
18951 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
18952
18953         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
18954         that have value exprs.
18955
18956 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
18957
18958         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
18959         declarations for constants until...
18960         (dw2_output_indirect_constant_1): ... this point.
18961
18962 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
18963
18964         PR target/10242
18965         * arm.md (arm_addsi3): Don't try to split an add with an
18966         eliminable register until after reload has completed.
18967
18968 2009-06-03  Ian Lance Taylor  <iant@google.com>
18969
18970         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
18971         * genattrtab.c (write_length_unit_log): Likewise.
18972         * genchecksum.c (dosum): Likewise.
18973         * gengtype.c (write_rtx_next): Likewise.
18974         (finish_root_table, write_roots): Likewise.
18975         * gimple.c (gimple_ops_offset_): Likewise.
18976         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
18977         * config/arc/arc.c (arc_attribute_table): Likewise.
18978         * config/arm/arm.c (arm_attribute_table): Likewise.
18979         * config/avr/avr.c (avr_attribute_table): Likewise.
18980         * config/crx/crx.c (crx_attribute_table): Likewise.
18981         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
18982         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
18983         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
18984         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
18985         * config/sh/sh.c (sh_attribute_table): Likewise.
18986         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
18987         * config/spu/spu.c (spu_attribute_table): Likewise.
18988         * config/v850/v850.c (v850_attribute_table): Likewise.
18989
18990         * config/alpha/alpha.c (vms_attribute_table): Make static.
18991         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
18992         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
18993         * config/mips/mips.c (mips_attribute_table): Likewise.
18994
18995         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
18996         $(SYSTEM_H).
18997         (cc1-checksum.o): Likewise.
18998
18999 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
19000
19001         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
19002
19003 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
19004
19005         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
19006         insn if it is changing sp.  Use gen_add3_insn instead of
19007         conditionally gen_addsi3 and gen_adddi3.
19008         (offset_below_red_zone_p): New static inline function.
19009         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
19010         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
19011         * config/rs6000/ppc-asm.h: Include auto-host.h.
19012         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
19013         CFI_RESTORE): Define.
19014         * config/rs6000/crtresxgpr.asm: Add unwind info.
19015         * config/rs6000/crtresxfpr.asm: Likewise.
19016         * config/rs6000/crtresgpr.asm: Likewise.
19017         * config/rs6000/crtresfpr.asm: Likewise.
19018         * config/rs6000/crtsavgpr.asm: Likewise.
19019         * config/rs6000/crtsavfpr.asm: Likewise.
19020
19021         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
19022         argument of DWARF2_FRAME_REG_OUT macros.
19023
19024 2009-06-03  Julian Brown  <julian@codesourcery.com>
19025
19026         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
19027         words or less (including TImode) in core registers.
19028
19029 2009-06-03  Richard Guenther  <rguenther@suse.de>
19030
19031         PR middle-end/40328
19032         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
19033
19034 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
19035
19036         * statistics.c (statistics_counter_event): Do not record event
19037         in pass dump if its number == -1.
19038         (curr_statistics_hash): Add assert that we never get passes
19039         with static number == -1.
19040
19041 2009-06-03  Richard Guenther  <rguenther@suse.de>
19042             Andrey Belevantsev  <abel@ispras.ru>
19043
19044         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
19045         non-BLKmode arrays addressable.
19046
19047 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
19048
19049         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
19050         * config/m68k/m68k.h: ... here.
19051
19052 2009-06-03  Martin Jambor  <mjambor@suse.cz>
19053
19054         PR tree-optimization/40323
19055         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
19056         assignment.
19057
19058 2009-06-03  Richard Guenther  <rguenther@suse.de>
19059
19060         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
19061         consistently.
19062
19063 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
19064
19065         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
19066         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
19067         JUMP_TABLE_DATA_P where applicable.
19068         * config/sh/sh.c: Ditto.
19069         * config/sh/sh.h: Ditto.
19070         * config/sh/sh.md: Ditto.
19071         * config/sh/symbian.c: Ditto.
19072
19073 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
19074
19075         * config/i386/driver-i386.c (describe_cache): Optimize
19076         concatenation of strings.  Use snprintf instead of sprintf.
19077         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
19078         target when not compiling with GCC.
19079
19080 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
19081
19082         * config/sh/sh.c: Revert last change.
19083         (sh_expand_epilogue): Emit a blockage insn before the frame
19084         pointer adjustment unconditionally.
19085
19086 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
19087
19088         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
19089         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
19090         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
19091         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
19092         to COLLECT_GCC_OPTIONS.
19093
19094 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
19095
19096         * collect2.c (target_system_root): New variable.
19097         (main): Handle --sysroot=.
19098         (ignore_library): Strip the sysroot from the library path.
19099
19100 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
19101
19102         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
19103         (collect2.o): Depend on collect2-aix.h.
19104         (collect2-aix.o): New rule.
19105         * collect2-aix.h: New file.
19106         * collect2-aix.c: Likewise.
19107         * collect2.c: Include collect2-aix.h.  Don't undefine
19108         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
19109         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
19110         Use TARGET_AIX_VERSION instead of _AIX51.
19111         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
19112         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
19113         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
19114         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
19115         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
19116
19117 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
19118
19119         * collect2.c (ignore_library): Avoid premature post-increment
19120         and null deference.
19121
19122 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
19123
19124         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
19125         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
19126         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
19127         CROSS_DIRECTORY_STRUCTURE too.
19128         (LINK_LIBG_SPEC): Likewise.
19129         (LIB_SPEC): Add %R to sysroot paths.
19130         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
19131         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
19132         * config/rs6000/aix51.h: As for aix43.h.
19133         * config/rs6000/aix52.h: Likewise.
19134         * config/rs6000/aix53.h: Likewise.
19135         * config/rs6000/aix61.h: Likewise.
19136         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
19137         to the beginning of sysroot paths.
19138
19139 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19140
19141         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
19142         INSN_LISTs that are out of the REG_NOTE range.
19143
19144 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19145
19146         * loop-unroll.c (struct iv_to_split): Add pointer to next.
19147         (struct var_to_expand): Likewise.
19148         (struct opt_info): Add head and tail for linked lists of the above.
19149         (analyze_insn_to_expand_var): Initialize next.
19150         (analyze_iv_to_split_insn): Likewise.
19151         (analyze_insns_in_loop): Create linked lists.
19152         (allocate_basic_variable): Simplify for use without hash table.
19153         (insert_var_expansion_initialization): Likewise, make it type-safer.
19154         (combine_var_copies_in_loop_exit): Likewise.
19155         (apply_opt_in_copies): Walk lists rather than hash tables.
19156         (release_var_copies): Simplified and inlined by hand into...
19157         (free_opt_info): ... this function.
19158
19159 2009-06-02  Richard Guenther  <rguenther@suse.de>
19160
19161         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
19162         for field decls.
19163
19164 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19165
19166         * cfgexpand.c (gimple_expand_cfg): Discard the source location
19167         only for builtins that are not overridden.
19168
19169 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19170
19171         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
19172         label string.
19173
19174 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19175
19176         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
19177
19178 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19179
19180         * combine.c (move_deaths): Compare LUIDs within the same BB only.
19181
19182 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19183
19184         * common.opt (fdump-unnumbered-links): New.
19185         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
19186         * print-rtl.c (flag_dump_unnumbered_links): New.
19187         (print_rtx): Test it.
19188
19189 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
19190
19191         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
19192         push/pop multiple to 8-byte alignment.
19193
19194 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
19195
19196         * config/i386/i386.c (queued_cfa_restores): New static variable.
19197         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
19198         functions.
19199         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
19200         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
19201         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
19202         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
19203         note unconditionally.
19204         (ix86_emit_restore_regs_using_mov): Likewise.
19205         (ix86_emit_restore_sse_regs_using_mov): Likewise.
19206         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
19207         it through to ix86_emit_restore_reg_using_pop.
19208         (ix86_emit_leave): Add RED_OFFSET argument.  Call
19209         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
19210         instead of adding REG_CFA_OFFSET note unconditionally.
19211         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
19212         the above functions.  Call ix86_add_queued_cfa_restore_notes when
19213         needed.
19214
19215         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
19216         force output of the label even for dwarf2out_do_cfi_asm.
19217         (add_fde_cfi): If -g2 and above and cfi might change CFA,
19218         force creation of CFI label and chain DW_CFA_set_loc jumping to it
19219         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
19220         caller.
19221         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
19222         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
19223         dwarf2out_cfi_label callers.
19224         * tree.h (dwarf2out_cfi_label): Adjust prototype.
19225         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
19226         Adjust dwarf2out_cfi_label callers.
19227         * config/vax/vax.c (vax_output_function_prologue): Likewise.
19228
19229         * config/i386/i386.h (struct machine_cfa_state,
19230         struct machine_function): Guard with ifndef USED_FOR_TARGET
19231         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
19232
19233         PR other/40024
19234         * emutls.c (__emutls_get_address): Change arr->size to mean number
19235         of allocated arr->data entries instead of # of slots + 1.
19236
19237         PR middle-end/40316
19238         * recog.c (peep2_reinit_state): New function.
19239         (peephole2_init_state): Use it at the end of a basic block and also
19240         when seeing a RTX_FRAME_RELATED_P insn.
19241
19242 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
19243
19244         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
19245         fixuns_truncrfdi2): New.
19246         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
19247         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
19248         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
19249         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
19250         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
19251         *recip_approx): Remove.
19252         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
19253         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
19254         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
19255         move to div.md.
19256         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
19257         setf_exp_rf): New.
19258
19259 2009-06-01  Ian Lance Taylor  <iant@google.com>
19260
19261         * attribs.c (register_attribute): Use CONST_CAST.
19262         * collect2.c (main): Use CONST_CAST2.
19263         (scan_prog_file): Likewise.
19264         * gcc.c (process_command, main): Likewise.
19265         * toplev.c (toplev_main): Likewise.
19266
19267         * c-typeck.c (handle_warn_cast_qual): New static function,
19268         partially broken out of build_c_cast.
19269         (build_c_cast): Call handle_warn_cast_qual.
19270         * doc/invoke.texi (Warning Options): Document new effect of
19271         -Wcast-qual.
19272
19273 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
19274
19275         * diagnostic.c (diagnostic_build_prefix): Always print columns.
19276         (diagnostic_report_current_module): Print columns.
19277         * common.opt (flag_show_column): Enable by default.
19278
19279 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
19280
19281         * alias.c (find_base_term): Check for NULL term before returning.
19282
19283 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
19284
19285         Revert due to PR40320:
19286         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
19287         * calls.c (emit_library_call_value_1): Don't force_operand for move
19288         and push insns.
19289
19290 2009-06-01  Olivier Hainque  <hainque@adacore.com>
19291             Eric Botcazou  <ebotcazou@adacore.com>
19292
19293         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
19294         to be processed as a bitfield for constructor output purposes.
19295         * output.h (initializer_constant_valid_for_bitfield_p): Declare
19296         new function.
19297         * varasm.c (oc_local_state): New type, output_constructor
19298         local state to support communication with helpers.
19299         (oc_outer_state): New type, output_constructor outer state of
19300         relevance in recursive calls.
19301         (output_constructor_array_range): New output_constructor helper,
19302         extracted code for an array range element.
19303         (output_constructor_regular_field): New output_constructor helper,
19304         extracted code for an element that is not a bitfield.
19305         (output_constructor_bitfield): New output_constructor helper,
19306         extracted code for a bitfield element.  Accept an OUTER state
19307         argument for recursive processing.  Recurse on record or array
19308         CONSTRUCTOR values, possibly past noop conversions.
19309         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
19310         VALUE is a valid constant-valued expression for use in a static
19311         bit-field initializer.
19312         (output_constructor): Rework to use helpers.  Accept and honor an
19313         OUTER state argument for recursive calls.  Return total size.  Be
19314         prepared for nested constructors initializing bitfields.
19315         (output_constant): Feed OUTER in calls to output_constructor.
19316
19317 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
19318
19319         * calls.c (emit_library_call_value_1): Don't force_operand for move
19320         and push insns.
19321
19322 2009-06-01  Nick Clifton  <nickc@redhat.com>
19323
19324         * doc/invoke.texi (IA-64 Options): Fix typo.
19325
19326 2009-06-01  Ira Rosen  <irar@il.ibm.com>
19327
19328         PR tree-optimization/39129
19329         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
19330         printed message.
19331         (vect_do_peeling_for_loop_bound): Use
19332         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
19333         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
19334         (vect_loop_versioning): Likewise.
19335         (vect_create_cond_for_alias_checks): Fix indentation.
19336         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
19337         macros.
19338         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
19339         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
19340         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
19341         "control flow in loop".
19342         (vect_estimate_min_profitable_iters): Use
19343         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
19344         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
19345         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
19346         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
19347         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
19348         statement belongs to a group of strided accesses with the exact code
19349         check.
19350         (vectorizable_load): Likewise.
19351         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
19352         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
19353
19354 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
19355
19356         * config/freebsd-stdint.h: New file.
19357         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
19358         Add freebsd-stdint.h to tm_file.
19359
19360 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
19361
19362         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
19363         (thumb2_extendhidi2): Likewise.
19364
19365 2009-05-31  Ian Lance Taylor  <iant@google.com>
19366
19367         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
19368
19369 2009-05-31  Ian Lance Taylor  <iant@google.com>
19370
19371         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
19372         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
19373         (ipa-reference.o): Depend upon gt-ipa-reference.h.
19374
19375 2009-05-31  Jason Merrill  <jason@redhat.com>
19376
19377         * tree-pretty-print.c (print_call_name): Take the callee, not the
19378         call itself.  Make non-static.  Use dump_function_name for functions.
19379         (dump_generic_node): Adjust.
19380         * diagnostic.h: Declare print_call_name.
19381         * gimple-pretty-print.c (dump_gimple_call): Use it.
19382
19383 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
19384
19385         * config/sh/sh.md (ashldi3_std): New define_expand.
19386         (ashldi3): Use it.
19387
19388 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
19389
19390         PR target/40313
19391         * config/sh/sh.c: Include debug.h.
19392         (sh_expand_epilogue): Emit a blockage insn before the frame
19393         pointer adjustment also when dwarf2out_do_frame returns true.
19394
19395 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
19396
19397         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
19398         (thumb2_extendqidi2): New pattern.
19399
19400 2009-05-31  Ira Rosen  <irar@il.ibm.com>
19401
19402         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
19403         mark phis for renaming.
19404         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
19405         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
19406         Call mark_sym_for_renaming.
19407         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
19408         * tree-vect-loop.c (vect_transform_loop): Remove
19409         vect_memsyms_to_rename initialization and a call to
19410         mark_set_for_renaming.
19411
19412 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
19413
19414         PR middle-end/40304
19415         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
19416         frame related even if !set_cfa && style < 0.
19417
19418 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
19419
19420         * config/i386/mingw-tls.c: New file.
19421         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
19422         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
19423         defining _WIN32 but not __CYGWIN__.
19424
19425 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19426
19427         * configure.ac: Add MPC support.
19428
19429         * config.in, configure: Regenerate.
19430
19431 2009-05-29  Richard Henderson  <rth@redhat.com>
19432
19433         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
19434         NOTE_INSN_BASIC_BLOCK.
19435         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
19436         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
19437         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
19438         to be deleted.
19439         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
19440         add in_use field.
19441         (add_cfi): Disable check redefining cfa away from drap.
19442         (lookup_cfa_1): Add remember argument; handle remember/restore.
19443         (lookup_cfa): Pass remember argument.
19444         (cfa_remember): New.
19445         (compute_barrier_args_size_1): Remove sibcall check.
19446         (dwarf2out_frame_debug_def_cfa): New.
19447         (dwarf2out_frame_debug_adjust_cfa): New.
19448         (dwarf2out_frame_debug_cfa_offset): New.
19449         (dwarf2out_frame_debug_cfa_register): New.
19450         (dwarf2out_frame_debug_cfa_restore): New.
19451         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
19452         (dwarf2out_begin_epilogue): New.
19453         (dwarf2out_frame_debug_restore_state): New.
19454         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
19455         DW_CFA_restore_state.
19456         (output_cfi_directive): Likewise.
19457         (convert_cfa_to_fb_loc_list): Likewise.
19458         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
19459         * dwarf2out.h: Update.
19460         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
19461         (copy_insn_1): Early out for null.
19462         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
19463         and dwarf2out_frame_debug_restore_state.
19464         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
19465         (prologue_insn_hash, epilogue_insn_hash): New.
19466         (free_after_compilation): Adjust freeing accordingly.
19467         (record_insns): Create hash table if needed; push insns into
19468         hash instead of array.
19469         (maybe_copy_epilogue_insn): New.
19470         (contains): Search hash table instead of array.
19471         (sibcall_epilogue_contains): Remove.
19472         (thread_prologue_and_epilogue_insns): Split eh_return insns
19473         and mark them as epilogues.
19474         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
19475         scanning in terms of basic blocks.
19476         * insn-notes.def (CFA_RESTORE_STATE): New.
19477         * jump.c (returnjump_p_1): Accept EH_RETURN.
19478         (eh_returnjump_p_1, eh_returnjump_p): New.
19479         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
19480         CFA_REGISTER, CFA_RESTORE): New.
19481         * rtl.def (EH_RETURN): New.
19482         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
19483
19484         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
19485         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
19486
19487         * config/i386/i386.c (gen_push): Update cfa state.
19488         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
19489         add a CFA_ADJUST_CFA note.
19490         (ix86_dwarf_handle_frame_unspec): Remove.
19491         (ix86_expand_prologue): Update cfa state.
19492         (ix86_emit_restore_reg_using_pop): New.
19493         (ix86_emit_restore_regs_using_pop): New.
19494         (ix86_emit_leave): New.
19495         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
19496         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
19497         * config/i386/i386.h (struct machine_cfa_state): New.
19498         (ix86_cfa_state): New.
19499         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
19500         (eh_return_internal): Merge from eh_return_<mode>,
19501         use eh_return rtx, split w/ epilogue.
19502
19503 2009-05-29  Ian Lance Taylor  <iant@google.com>
19504
19505         * builtins.c (validate_gimple_arglist): Don't use va_arg with
19506         enum type.
19507         * calls.c (emit_library_call_value_1): Likewise.
19508
19509         * c-typeck.c (c_build_va_arg): New function.
19510         * c-tree.h (c_build_va_arg): Declare.
19511         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
19512         instead of build_va_arg.
19513
19514 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
19515
19516         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
19517         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
19518         (ptr_difference_cost): Use affine combinations to compute it.
19519         (difference_cost): Likewise.
19520         (get_computation_cost_at): Compute more accurate cost for addresses
19521         if the ratio is a multiplier allowed in addresses.
19522         For non-addresses, consider that an additional offset or symbol is
19523         added only once.
19524
19525 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19526
19527         * config/i386/i386.c (ix86_decompose_address): Avoid useless
19528         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
19529
19530         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
19531         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
19532         (prefix_rex): For UNIT_MMX don't imply the prefix by default
19533         if MODE_DI.
19534         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
19535         to 1 for TYPE_SSE{IADD1,CVT1}.
19536         (prefix_vex_imm8): Removed.
19537         (length_vex): Only pass 1 as second argument to
19538         ix86_attr_length_vex_default if prefix_extra is 0.
19539         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
19540         (length): For prefix vex computation use length_immediate
19541         attribute instead of prefix_vex_imm8.
19542         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
19543         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
19544         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
19545         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
19546         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
19547         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
19548         a space in between the operands.
19549         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
19550         if one operand is 0xff and the other one si, di, bp or sp.
19551         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
19552         other one si, di, bp or sp.
19553         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
19554         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
19555         type and mode attributes.
19556         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
19557         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
19558         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
19559         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
19560         prefix_data16 attribute iff MODE_DF.
19561         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
19562         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
19563         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
19564         constm128_operand in length_immediate computation.
19565         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
19566         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
19567         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
19568         length_immediate attribute to 1.
19569         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
19570         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
19571         for certain alternatives.
19572         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
19573         prefix_data16 attribute if MODE_V1DF.
19574         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
19575         length_immediate to 1.
19576         (set_got_rex64, set_rip_rex64): Remove length attribute, set
19577         length_address to 4, set mode attribute to MODE_DI.
19578         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
19579         (fxam<mode>2_i387): Set length attribute to 4.
19580         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
19581         *prefetch_3dnow_rex): Override length_address attribute.
19582         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
19583         attributes.
19584         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
19585         (constm128_operand): Removed.
19586         * config/i386/i386.c (memory_address_length): For
19587         disp && !index && !base in 64-bit mode account for SIB byte if
19588         print_operand_address can't optimize disp32 into disp32(%rip)
19589         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
19590         for fs: or gs: segment.
19591         (ix86_attr_length_immediate_default): When checking if shortform
19592         is possible, truncate immediate to the length of the non-shortened
19593         immediate.
19594         (ix86_attr_length_address_default): Ignore MEM_P operands
19595         with X constraint.
19596         (ix86_attr_length_vex_default): Only check for DImode on
19597         GENERAL_REG_P operands.
19598         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
19599         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
19600         (sse_cvttps2pi): Clear prefix_rep attribute.
19601         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
19602         attribute.
19603         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
19604         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
19605         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
19606         iff operand 2 is const_int_operand.
19607         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
19608         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
19609         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
19610         instead of vex.
19611         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
19612         prefix_data16.
19613         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
19614         prefix_data16 attribute for movlpd and movhpd instructions.
19615         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
19616         length_immediate for shufpd instruction.
19617         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
19618         (avx_cmpp<avxmodesuffixf2c><mode>3,
19619         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
19620         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
19621         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
19622         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
19623         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
19624         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
19625         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
19626         prefix_data16 attribute for the first alternative to 1.
19627         (*avx_loadlps): Override length_immediate for the first alternative.
19628         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
19629         attributes for second alternative.
19630         (*vec_concatv2sf_sse4_1): Override length_immediate and
19631         prefix_data16 attributes for second alternative.
19632         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
19633         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
19634         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
19635         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
19636         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
19637         prefix_data16 and length_immediate to 1.
19638         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
19639         to 1.
19640         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
19641         prefix_extra attribute for variants that don't have 0f prefix alone.
19642         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
19643         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
19644         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
19645         *sse4_1_pextrd): Set length_immediate to 1.
19646         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
19647         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
19648         to 1.
19649         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
19650         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
19651         length_immediate to 1 for second alternative.
19652         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
19653         prefix_extra and length_immediate attributes for the first
19654         alternative.
19655         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
19656         first alternative.
19657         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
19658         to 1 for the first and third alternative.
19659         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
19660         alternative.
19661         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
19662         attribute.
19663         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
19664         attribute to 0.
19665         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
19666         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
19667         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
19668         *avx_psign<mode>3): Set prefix_extra attribute to 1.
19669         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
19670         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
19671         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
19672         ssse3_psign<mode>3): Override prefix_rex attribute.
19673         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
19674         (ssse3_palignrti): Override length_immediate to 1.
19675         (ssse3_palignrdi): Override length_immediate to 1, override
19676         prefix_rex attribute.
19677         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
19678         (sse4a_extrqi): Override length_immediate to 2.
19679         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
19680         (sse4a_insertq): Override prefix_data16 to 0.
19681         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
19682         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
19683         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
19684         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
19685         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
19686         and length_immediate to 1.
19687         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
19688         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
19689         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
19690         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
19691         and length_immediate to 1.
19692         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
19693         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
19694         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
19695         avx_ptest256): Override prefix_extra to 1.
19696         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
19697         Override prefix_data16 and length_immediate to 1.
19698         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
19699         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
19700         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
19701         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
19702         prefix_data16 to 0 and prefix_extra to 2.
19703         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
19704         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
19705         attribute.
19706         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
19707         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
19708         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
19709         and prefix_extra to 2.
19710         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
19711         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
19712         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
19713         avx_vpermilvar<mode>3,
19714         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
19715         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
19716         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
19717         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
19718         Override prefix_extra to 1.
19719         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
19720         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
19721         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
19722         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
19723         prefix_extra and length_immediate to 1.
19724         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
19725         modrm to 0.
19726         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
19727         to 1 for the first alternative.
19728         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
19729         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
19730         cases.
19731         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
19732         *movv2sf_internal_avx, *movv2sf_internal): Override
19733         prefix_rep attribute for certain alternatives.
19734         (*mov<mode>_internal): Override prefix_rep or prefix_data16
19735         attributes for certain alternatives.
19736         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
19737         attributes for certain alternatives.
19738         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
19739         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
19740         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
19741         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
19742         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
19743         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
19744         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
19745         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
19746         length_immediate to 1 if operand 2 is const_int_operand.
19747         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
19748         *vec_extractv2si_1): Set length_immediate attribute to 1.
19749         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
19750         using old 3DNOW insn rather than SSE/3DNOW_A.
19751         (mmx_emms, mmx_femms): Clear modrm attribute.
19752
19753 2009-05-29  Martin Jambor  <mjambor@suse.cz>
19754
19755         * tree-sra.c:  New implementation of SRA.
19756
19757         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
19758         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
19759         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
19760         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
19761         (SRA_MAX_STRUCTURE_COUNT): Removed.
19762         (SRA_FIELD_STRUCTURE_RATIO): Removed.
19763         * doc/invoke.texi (sra-max-structure-size): Removed.
19764         (sra-field-structure-ratio): Removed.
19765
19766 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19767
19768         PR middle-end/40291
19769         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
19770         before expansion.
19771
19772 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
19773
19774         PR rtl-optimization/40101
19775         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
19776         seqno.  Adjust comment.
19777         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
19778         inserting bookkeeping before a jump, the jump is not scheduled.
19779         When no positive seqno found, provide a value.  Add comment.
19780
19781 2009-05-29  Richard Guenther  <rguenther@suse.de>
19782
19783         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
19784         short-cutting on the first component.
19785
19786 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19787
19788         PR middle-end/39958
19789         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
19790         for trees other than decls/types.
19791
19792 2009-05-29  Richard Guenther  <rguenther@suse.de>
19793
19794         * tree-ssa-operands.c (get_expr_operands): Do not handle
19795         INDIRECT_REFs in the handled-component case.  Remove
19796         unused get_ref_base_and_extent case.
19797         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
19798         tree_low_cst and host_integerp where possible.
19799         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
19800         codes for equivalence.
19801         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
19802
19803 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
19804
19805         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
19806         to tmake_file for i[34567]86-*-cygwin*.
19807
19808 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19809
19810         PR target/40017
19811         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
19812         (altivec_categorize_keyword, init_vector_keywords,
19813         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
19814         similar to bool.
19815
19816 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
19817
19818         * tree.c (handle_dll_attribute): Check if node is
19819         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
19820
19821 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
19822
19823         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
19824         component.
19825         (thumb2_zero_extendqidi2): Likewise.
19826
19827 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19828
19829         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
19830         instead of gen_movrt.
19831         * config/sh/sh.md (movrt): Remove.
19832
19833 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
19834
19835         * doc/invoke.texi (IA-64 Options):
19836         Add -msdata, -mfused-madd, -mno-inline-float-divide,
19837         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
19838         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
19839         -msched-prefer-non-control-spec-insns,
19840         -msched-stop-bits-after-every-cycle,
19841         -msched-count-spec-in-critical-path,
19842         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
19843         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
19844         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
19845         and -msched-spec-verbose.
19846
19847 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
19848
19849         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
19850         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
19851         error if used.
19852         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
19853
19854 2009-05-28  Richard Guenther  <rguenther@suse.de>
19855
19856         * tree-ssa-alias.c (ao_ref_init): New function.
19857         (ao_ref_base): Likewise.
19858         (ao_ref_base_alias_set): Likewise.
19859         (ao_ref_alias_set): Likewise.
19860         (refs_may_alias_p_1): Change signature.
19861         (refs_may_alias_p): Adjust.
19862         (refs_anti_dependent_p): Likewise.
19863         (refs_output_dependent_p): Likewise.
19864         (call_may_clobber_ref_p_1): Change signature.
19865         (call_may_clobber_ref_p): Adjust.
19866         (stmt_may_clobber_ref_p_1): New function split out from ...
19867         (stmt_may_clobber_ref_p): ... here.
19868         (maybe_skip_until): Adjust signature.
19869         (get_continuation_for_phi): Likewise.
19870         (walk_non_aliased_vuses): Likewise.
19871         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
19872         (ao_ref_init): Declare.
19873         (ao_ref_base): Likewise.
19874         (ao_ref_alias_set): Likewise.
19875         (stmt_may_clobber_ref_p_1): Likewise.
19876         (walk_non_aliased_vuses): Adjust.
19877         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
19878         (get_ref_from_reference_ops): remove.
19879         (vn_reference_lookup_2): Adjust signature.
19880         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
19881         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
19882         (vn_reference_lookup): Adjust.
19883         (vn_reference_insert): Likewise.
19884         (vn_reference_insert_pieces): Adjust signature.
19885         (visit_reference_op_call): Adjust.
19886         * tree-ssa-pre.c (get_expr_type): Simplify.
19887         (phi_translate_1): Adjust.
19888         (compute_avail): Likewise.
19889         (translate_vuse_through_block): Do not re-build trees.
19890         (value_dies_in_block_x): Likewise.
19891         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
19892         fields.
19893         (vn_reference_lookup_pieces): Adjust declaration.
19894         (vn_reference_insert_pieces): Likewise.
19895
19896 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
19897
19898         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
19899         with checking disabled.
19900
19901 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
19902
19903         PR target/37216
19904
19905         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
19906         macro definition for support of three-operand format aligned
19907         .comm directive in assembler on cygwin/pe/mingw target OS.
19908         * configure:  Regenerate.
19909         * config.h:  Regenerate.
19910
19911         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
19912         aligned form of .comm directive if -mpe-aligned-commons is in effect.
19913         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
19914
19915         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
19916         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
19917
19918 2009-05-28  Ira Rosen  <irar@il.ibm.com>
19919
19920         PR tree-optimization/40254
19921         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
19922         in analysis of basic blocks.
19923
19924 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
19925
19926         PR middle-end/33699
19927         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
19928         * target-def.h (TARGET_CONST_ANCHOR): New macro.
19929         (TARGET_INITIALIZER): Use it.
19930         * cse.c (CHEAPER): Move it up to the other macros.
19931         (insert): Rename this ...
19932         (insert_with_costs): ... to this.  Add cost parameters.  Update
19933         function comment.
19934         (insert): New function.  Call insert_with_costs.
19935         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
19936         find_reg_offset_for_const, try_const_anchors): New functions.
19937         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
19938         when using a const-anchor.  Call insert_const_anchors.
19939         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
19940         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
19941
19942 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
19943
19944         * tree-inline.c (remap_decls): Enable nonlocalized variables
19945         when not optimizing.
19946
19947 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
19948
19949         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
19950         Simplify other tests involving optimize.
19951
19952 2009-05-27  Tom Tromey  <tromey@redhat.com>
19953
19954         * unwind-dw2.c (_Unwind_DebugHook): New function.
19955         (uw_install_context): Call _Unwind_DebugHook.
19956
19957 2009-05-27  Tom Tromey  <tromey@redhat.com>
19958
19959         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
19960
19961 2009-05-27  Ian Lance Taylor  <iant@google.com>
19962
19963         * Makefile.in (LINKER, LINKER_FLAGS): Define.
19964         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
19965         (ALL_LINKERFLAGS): Define.
19966         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
19967         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
19968         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
19969         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
19970         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
19971         $(LINKER_FOR_BUILD).
19972         (build/gcov-iov$(build_exeext)): Likewise.
19973
19974 2009-05-27  Julian Brown  <julian@codesourcery.com>
19975
19976         * gcse.c (target.h): Include.
19977         (can_assign_to_reg_without_clobbers_p): Check that the target allows
19978         copy of argument to a pseudo register.
19979
19980 2009-05-27  Diego Novillo  <dnovillo@google.com>
19981
19982         * tree-ssa-live.c (dump_scope_block): Document arguments.
19983         (dump_scope_blocks): Document.
19984         (debug_scope_blocks): New.
19985         * tree-flow.h (debug_scope_blocks): Declare.
19986
19987 2009-05-21  Denis Chertykov  <denisc@overta.ru>
19988
19989         * doc/contrib.texi (Contributors): Add myself to the list.
19990
19991 2009-05-27  Olivier Hainque  <hainque@adacore.com>
19992
19993         * expr.c (target_align): New function.  Alignment the TARGET of an
19994         assignment may be assume to have.
19995         (highest_pow2_factor_for_target): Use it instead of relying on
19996         immediate tree attributes of TARGET, not necessarily honored when
19997         intermediate bitfields are involved.
19998
19999 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
20000
20001         PR target/40266
20002         * config/i386/driver-i386.c (host_detect_local_cpu): Support
20003         AVX, SSE4, AES, PCLMUL and POPCNT.
20004
20005 2009-05-27  Diego Novillo  <dnovillo@google.com>
20006
20007         * tree-pretty-print.c (dump_location): New.
20008         (dump_generic_node): Call it.
20009         Factor code to handle BLOCK nodes ...
20010         (dump_block_node): ... here.
20011
20012 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
20013
20014         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
20015         with it.
20016         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
20017         included.
20018         * gcc-plugin.h: Include config.h and system.h.
20019         (IN_GCC): Define if not defined.
20020
20021 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
20022
20023         PR middle-end/40249
20024         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
20025         with -fno-inline.
20026
20027 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
20028
20029         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
20030         applicable.
20031         * config/m32r/m32r.h: Ditto.
20032         * config/m32r/m32r.md: Ditto.
20033         * config/m32r/predicates.md: Ditto.
20034
20035 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
20036
20037         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
20038
20039 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
20040
20041         * doc/plugins.texi
20042         (Loading plugins): typo.
20043         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
20044         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
20045         (Interacting with the GCC Garbage Collector): Added new section.
20046         (Giving information about a plugin): Added new section for
20047         PLUGIN_INFO.
20048         * ggc.h (ggc_register_root_tab): Added declaration.
20049         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
20050         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
20051         (register_callback): Improved comment in declaration.
20052         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
20053         (extra_root_vec) Added static variable for dynamic roots registration.
20054         (ggc_register_root_tab) Added new routine.
20055         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
20056         PLUGIN_GGC_MARKING event.
20057         * ggc-zone.c: Include plugin.h.
20058         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
20059         * ggc-page.c: Include plugin.h.
20060         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
20061         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
20062         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
20063         (register_callback): check lack of callbacks for
20064         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
20065         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
20066         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
20067         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
20068         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
20069         dependency on plugin.h.
20070         (plugin.o): Added dependency on ggc.h...
20071
20072 2009-05-26  Richard Guenther  <rguenther@suse.de>
20073
20074         PR middle-end/40248
20075         Revert
20076         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
20077         with mismatched comparison modes.
20078
20079         * expr.c (expand_expr_real_1): Expand the operand of a
20080         VIEW_CONVERT_EXPR in its natural mode.
20081
20082 2009-05-26  Ian Lance Taylor  <iant@google.com>
20083
20084         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
20085         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
20086         (ALL_COMPILERFLAGS): Define.
20087         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
20088         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
20089         (collect2$(exeext), collect2.o): Likewise.
20090         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
20091         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
20092         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
20093         (libbackend.o, intl.o, cppdefault.o): Likewise.
20094         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
20095         (build/%.o): Use $(COMPILER_FOR_BUILD).
20096         (build/gen%$(build_exeext)): Likewise.
20097         (build/gcov-iov$(build_exeext)): LIkewise.
20098         * config/t-darwin (darwin.o): Use $(COMPILER).
20099         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
20100         * config/t-sol2 (sol2-c.o): Likewise.
20101         (sol2.o): Likewise.
20102         * config/t-vxworks (vxworks.o): Likewise.
20103         * config/x-darwin (host-darwin.o): Likewise.
20104         * config/x-hpux (host-hpux.o): Likewise.
20105         * config/x-linux (host-linux.o): Likewise.
20106         * config/x-solaris (host-solaris.o): Likewise.
20107         * config/alpha/x-alpha (driver-alpha.o): Likewise.
20108         * config/arm/t-arm (arm-c.o): Likewise.
20109         * config/arm/t-pe (pe.o): Likewise.
20110         * config/arm/t-wince-pe (pe.o): Likewise.
20111         * config/i386/t-cygming (winnt.o): Likewise.
20112         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
20113         * config/i386/t-cygwin (cygwin1.o): Likewise.
20114         (cygwin2.o): Likewise.
20115         * config/i386/t-i386 (i386-c.o): Likewise.
20116         * config/i386/t-interix (winnt.o): Likewise.
20117         * config/i386/t-netware (netware.o): Likewise.
20118         * config/i386/t-nwld (nwld.o): Likewise.
20119         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
20120         * config/i386/x-i386 (driver-i386.o): Likewise.
20121         * config/i386/x-cygwin (host-cygwin.o): Likewise.
20122         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
20123         * config/ia64/t-ia64 (ia64-c.o): Likewise.
20124         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
20125         * config/mips/x-native (driver-native.o): Likewise.
20126         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
20127         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
20128         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
20129         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
20130         * config/score/t-score-elf (score7.o): Likewise.
20131         (score3.o): Likewise.
20132         * config/sh/t-sh (sh-c.o): Likewise.
20133         * config/sh/t-symbian (sh-c.o): Likewise.
20134         (symbian.o): Likewise.
20135         * config/spu/t-spu-elf (spu-c.o): Likewise.
20136         * config/v850/t-v850 (v850-c.o): Likewise.
20137         * config/v850/t-v850e (v850-c.o): Likewise.
20138
20139 2009-05-26  Richard Guenther  <rguenther@suse.de>
20140
20141         PR tree-optimization/40122
20142         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
20143         VECTOR_CSTs if possible.
20144         (fold_gimple_assign): Likewise.
20145
20146 2009-05-26  Richard Guenther  <rguenther@suse.de>
20147
20148         PR middle-end/40252
20149         * fold-const.c (fold_binary): Use the correct types for building
20150         rotates.
20151
20152 2009-05-26  Richard Guenther  <rguenther@suse.de>
20153
20154         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
20155         redundant calls to merge_alias_info.
20156         (bump_vector_ptr): Likewise.
20157         * tree-ssa-copy.c (merge_alias_info): Remove.
20158         (replace_exp_1): Remove call to merge_alias_info.
20159         (propagate_tree_value): Likewise.
20160         (fini_copy_prop): Propagate points-to info.
20161         * tree-flow.h (merge_alias_info): Remove.
20162
20163 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
20164
20165         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
20166
20167 2009-05-25  Jan Hubicka  <jh@suse.cz>
20168
20169         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
20170         * cgraph.h (struct inline_summary): New filed self_wize,
20171         size_inlining_benefit, self_time and time_inlining_benefit.
20172         (struct cgraph_global_info): Replace insns by time ans size fields.
20173         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
20174         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
20175         (ipcp_update_callgraph): Do not touch function bodies.
20176         * ipa-inline.c: Include except.h
20177         (MAX_TIME): New constant.
20178         (overall_insns): Remove.
20179         (leaf_node_p): New.
20180         (overall_size, max_benefit): New static variables.
20181         (cgraph_estimate_time_after_inlining): New function.
20182         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
20183         (cgraph_clone_inlined_nodes): Update size.
20184         (cgraph_mark_inline_edge): Update size.
20185         (cgraph_estimate_growth): Use size info.
20186         (cgraph_check_inline_limits): Check size.
20187         (cgraph_default_inline_p): Likewise.
20188         (cgraph_edge_badness): Compute badness based on benefit and size cost.
20189         (cgraph_decide_recursive_inlining): Check size.
20190         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
20191         and times.
20192         (cgraph_decide_inlining): Likewise.
20193         (cgraph_decide_inlining_incrementally): Likewise; honor
20194         PARAM_EARLY_INLINING_INSNS.
20195         (likely_eliminated_by_inlining_p): New predicate.
20196         (estimate_function_body_sizes): New function.
20197         (compute_inline_parameters): Use it.
20198         * except.c (must_not_throw_labels): New function.
20199         * except.h (must_not_throw_labels): Declare.
20200         * tree-inline.c (init_inline_once): Kill inlining_weigths
20201         * tree-ssa-structalias.c: Avoid uninitialized warning.
20202         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
20203         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
20204         (PARAM_INLINE_CALL_COST): Remove.
20205         (PARAM_EARLY_INLINING_INSNS): New.
20206
20207 2009-05-25  Richard Guenther  <rguenther@suse.de>
20208
20209         PR tree-optimization/36327
20210         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
20211         callback for reference translation or lookup at the point of may-defs.
20212         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
20213         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
20214         for union COMPONENT_REFs.
20215         (vn_reference_lookup_3): New callback.  Lookup from memset
20216         and CONSTRUCTOR assignment, translate through struct copies.
20217         (vn_reference_lookup_pieces): Make sure to not free the
20218         passed operands array.  Adjust walk_non_aliased_vuses call.
20219         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
20220         make sure we do not leak memory.
20221
20222 2009-05-25  Richard Guenther  <rguenther@suse.de>
20223
20224         * tree-ssa-alias.h (dump_points_to_solution): Declare.
20225         * tree-inline.c (expand_call_inline): Reset the escaped and
20226         callused solutions.
20227         * tree-ssa-structalias.c (pass_build_ealias): New.
20228         * tree-pass.h (pass_build_ealias): Declare.
20229         * passes.c (init_optimization_passes): Add PTA during
20230         early optimizations.
20231         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
20232         and CALLUSED solutions.
20233         (dump_points_to_solution): New function, split out from ...
20234         (dump_points_to_info_for): ... here.
20235         * tree-parloops.c (parallelize_loops): Reset the escaped and
20236         callused solutions.
20237
20238 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
20239
20240         PR bootstrap/40027
20241         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
20242         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
20243
20244 2009-05-25  Ira Rosen  <irar@il.ibm.com>
20245
20246         PR tree-optimization/40238
20247         * tree-vect-stmts.c (vect_init_vector): Insert initialization
20248         statements after basic block's labels.
20249         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
20250         to free the allocated memory.
20251
20252 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
20253
20254         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
20255         return address with a USE.
20256
20257 2009-05-24  Richard Guenther  <rguenther@suse.de>
20258
20259         PR middle-end/40233
20260         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
20261         array type from the main variant of the inner type.
20262
20263 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
20264
20265         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
20266         definition to bool (from int) to un-break build.
20267         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
20268
20269 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
20270
20271         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
20272         discard_stmt_changes): Delete.
20273         * tree-ssa-operands.c (scb_stack): Delete.
20274         (init_ssa_operands): Do not initialize it.
20275         (fini_ssa_operands): Do not free it.
20276         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
20277
20278         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
20279         update_stmt, remove the others.  Fix comments.
20280         * tree-dfa.c (optimize_stack_restore): Likewise.
20281         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
20282         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
20283         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
20284         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
20285         Likewise.
20286         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
20287         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
20288         (dom_opt_finalize_block): Likewise, adjusting access to
20289         stmts_to_rescan.
20290         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
20291         (stmts_to_rescan): Change item type to gimple.
20292         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
20293
20294 2009-05-24  Ira Rosen  <irar@il.ibm.com>
20295
20296         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
20297         * tree-pass.h (pass_slp_vectorize): New pass.
20298         * params.h (SLP_MAX_INSNS_IN_BB): Define.
20299         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
20300         * tree-vectorizer.c (timevar.h): Include.
20301         (user_vect_verbosity_level): Declare.
20302         (vect_location): Fix comment.
20303         (vect_set_verbosity_level): Update user_vect_verbosity_level
20304         instead of vect_verbosity_level.
20305         (vect_set_dump_settings): Add an argument. Ignore user defined
20306         verbosity if dump flags require higher level of verbosity. Print to
20307         stderr only for loop vectorization.
20308         (vectorize_loops): Update call to vect_set_dump_settings.
20309         (execute_vect_slp): New function.
20310         (gate_vect_slp): Likewise.
20311         (struct gimple_opt_pass pass_slp_vectorize): New.
20312         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
20313         access its members.
20314         (vec_info_for_bb): New function.
20315         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
20316         (VECTORIZATION_ENABLED): New macro.
20317         (SLP_ENABLED, SLP_DISABLED): Likewise.
20318         (vect_is_simple_use): Add bb_vec_info argument.
20319         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
20320         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
20321         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
20322         vect_schedule_slp, vect_analyze_slp): Likewise.
20323         (vect_analyze_stmt): Add slp_tree argument.
20324         (find_bb_location): Declare.
20325         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
20326         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
20327         (vect_analyze_loop_operations, vect_analyze_loop,
20328         get_initial_def_for_induction, vect_create_epilog_for_reduction,
20329         vect_finalize_reduction, vectorizable_reduction,
20330         vectorizable_live_operation, vect_transform_loop): Likewise.
20331         * tree-data-ref.c (dr_analyze_innermost): Update comment,
20332         skip evolution analysis if analyzing a basic block.
20333         (dr_analyze_indices): Likewise.
20334         (initialize_data_dependence_relation): Skip the test whether the
20335         object is invariant for basic blocks.
20336         (compute_all_dependences): Skip dependence analysis for data
20337         references in basic blocks.
20338         (find_data_references_in_stmt): Don't fail in case of invariant
20339         access in basic block.
20340         (find_data_references_in_bb): New function.
20341         (find_data_references_in_loop): Move code to
20342         find_data_references_in_bb and add a call to it.
20343         (compute_data_dependences_for_bb): New function.
20344         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
20345         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
20346         that STEP is 0.
20347         (vect_analyze_data_ref_dependence): Check for interleaving in case of
20348         unknown dependence in basic block and fail in case of dependence in
20349         basic block.
20350         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
20351         dependence instances from either loop or basic block vectorization
20352         info.
20353         (vect_compute_data_ref_alignment): Check if it is loop vectorization
20354         before calling nested_in_vect_loop_p.
20355         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
20356         dependence instances from either loop or basic block vectorization
20357         info.
20358         (vect_verify_datarefs_alignment): Likewise.
20359         (vect_enhance_data_refs_alignment): Adjust function calls.
20360         (vect_analyze_data_refs_alignment): Likewise.
20361         (vect_analyze_group_access): Fix printing. Skip different checks if
20362         DR_STEP is 0. Keep strided stores either in loop or basic block
20363         vectorization data structure. Fix indentation.
20364         (vect_analyze_data_ref_access): Fix comments, allow zero step in
20365         basic blocks.
20366         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
20367         dependence instances from either loop or basic block vectorization
20368         info.
20369         (vect_analyze_data_refs): Update comment. Call
20370         compute_data_dependences_for_bb to analyze basic blocks.
20371         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
20372         case of loop vectorization. In case of basic block vectorization use
20373         data-ref itself as a base.
20374         (vect_create_data_ref_ptr): In case of basic block vectorization:
20375         don't advance the pointer, add new statements before the current
20376         statement.  Adjust function calls.
20377         (vect_supportable_dr_alignment): Support only aligned accesses in
20378         basic block vectorization.
20379         * common.opt (ftree-slp-vectorize): New flag.
20380         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
20381         (vect_pattern_recog_1): Likewise.
20382         * tree-vect-stmts.c (process_use): Likewise.
20383         (vect_init_vector): Add new statements in the beginning of the basic
20384         block in case of basic block SLP.
20385         (vect_get_vec_def_for_operand): Adjust function calls.
20386         (vect_finish_stmt_generation): Likewise.
20387         (vectorizable_call): Add assert that it is loop vectorization, adjust
20388         function calls.
20389         (vectorizable_conversion, vectorizable_assignment): Likewise.
20390         (vectorizable_operation): In case of basic block SLP, take
20391         vectorization factor from statement's type and skip the relevance
20392         check. Adjust function calls.
20393         (vectorizable_type_demotion): Add assert that it is loop
20394         vectorization, adjust function calls.
20395         (vectorizable_type_promotion): Likewise.
20396         (vectorizable_store): Check for outer loop only in case of loop
20397         vectorization. Adjust function calls. For basic blocks, skip the
20398         relevance check and don't advance pointers.
20399         (vectorizable_load): Likewise.
20400         (vectorizable_condition): Add assert that it is loop vectorization,
20401         adjust function calls.
20402         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
20403         that it is not reduction, get vector type, call only supported
20404         functions, skip loop specific parts.
20405         (vect_transform_stmt): Check for outer loop only in case of loop
20406         vectorization.
20407         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
20408         (vect_is_simple_use): Fix comment, add new argument, fix conditions
20409         for external definition.
20410         * passes.c (pass_slp_vectorize): New pass.
20411         * tree-vect-slp.c (find_bb_location): New function.
20412         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
20413         check for patterns only in loops.
20414         (vect_build_slp_tree): Add argument, adjust function calls, fail in
20415         case of multiple types in basic block SLP.
20416         (vect_mark_slp_stmts_relevant): New function.
20417         (vect_supported_load_permutation_p): Fix comment.
20418         (vect_analyze_slp_instance): Add argument. In case of basic block
20419         SLP, take vectorization factor from statement's type, check that
20420         unrolling factor is 1. Adjust function call. Save SLP instance in
20421         either loop or basic block vectorization structure. Return FALSE,
20422         if SLP failed.
20423         (vect_analyze_slp): Add argument. Get strided stores groups from
20424         either loop or basic block vectorization structure. Return FALSE
20425         if basic block SLP failed.
20426         (new_bb_vec_info): New function.
20427         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
20428         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
20429         (vect_schedule_slp): Add argument. Get SLP instances from either
20430         loop or basic block vectorization structure. Set vectorization factor
20431         to be 1 for basic block SLP.
20432         (vect_slp_transform_bb): New function.
20433         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
20434
20435 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
20436
20437         * final.c (shorten_branches): Do not align labels for jump tables.
20438         (final_scan_insn): Use JUMP_TABLE_DATA_P.
20439
20440 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
20441
20442         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
20443         Remove outdated reference to flow.c and fix nits.
20444         * doc/gccint.texi: Tweak RTL description.
20445         * doc/rtl.texi: Likewise.
20446
20447 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
20448
20449         * config/avr/avr.c: Change my email address.
20450         * config/avr/avr.h: Likewise.
20451         * config/avr/avr.md: Likewise.
20452         * config/avr/avr-protos.h: Likewise.
20453         * config/avr/libgcc.S: Likewise.
20454
20455 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
20456
20457         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
20458         (spu_split_load, spu_split_store): Change return type to int.
20459         (spu_split_convert): Declare.
20460         * config/spu/predicates.md (spu_mem_operand): Remove.
20461         (spu_mov_operand): Update.
20462         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
20463         * config/spu/spu.c (regno_aligned_for_load): Remove.
20464         (reg_aligned_for_addr, spu_expand_load): Define.
20465         (spu_expand_extv): Reimplement and handle MEM.
20466         (spu_expand_insv): Handle MEM.
20467         (spu_sched_reorder): Handle insn's with length 0.
20468         (spu_legitimate_address_p): Reimplement.
20469         (store_with_one_insn_p): Return TRUE for any mode with size
20470         larger than 16 bytes.
20471         (address_needs_split): Define.
20472         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
20473         operands.
20474         (spu_convert_move): Define.
20475         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
20476         (spu_split_store): Change all MEM's to TImode.
20477         (spu_init_expanders): Preallocate registers that correspond to
20478         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
20479         mark_reg_pointer.
20480         (spu_split_convert): Define.
20481         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
20482         (_move<mode>, _movdi, _movti): Update predicate and condition.
20483         (load, store): Change to define_split.
20484         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
20485         extend<mode>ti2.
20486         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
20487         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
20488         define_insn_and_split of lshr<mode>3.
20489         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
20490         (<v>ashr<mode>3_imm): Define.
20491         (extv, extzv, insv): Allow MEM operands.
20492         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
20493         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
20494         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
20495         (_spu_convert2): Change to define_insn_and_split and remove the
20496         corresponding define_peephole2.
20497         (stack_protect_set, stack_protect_test, stack_protect_test_si):
20498         Change predicates to memory_operand.
20499
20500 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
20501
20502         * config/arm/thumb2.md: Add 16-bit multiply instructions.
20503
20504 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
20505
20506         PR tree-optimization/40219
20507         * tree.c (iterative_hash_expr): Make sure the builtin function is
20508         a normal builtin function and not a front end or back end builtin
20509         before indexing into the built_in_decls array.
20510
20511 2009-05-22  Richard Guenther  <rguenther@suse.de>
20512
20513         PR middle-end/38964
20514         * alias.c (write_dependence_p): Do not use TBAA for answering
20515         anti-dependence or output-dependence.
20516         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
20517         (emit_pointer_definition): Remove.
20518         (emit_alias_warning): Likewise.
20519         (find_what_var_points_to): Remove TBAA pruning code.
20520         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
20521         violations.
20522         (compute_points_to_sets): Remove code computing the set of
20523         dereferenced pointers.
20524         * tree-data-ref.c (dr_may_alias_p): Properly use the split
20525         oracle for querying anti and output dependencies.
20526         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
20527         if TBAA may be applied.
20528         (refs_anti_dependent_p): New function.
20529         (refs_output_dependent_p): Likewise.
20530         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
20531         (refs_output_dependent_p): Likewise.
20532         * doc/tree-ssa.texi (Memory model): New section.
20533         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
20534         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
20535         * cfgexpand.c (expand_gimple_basic_block): Do not handle
20536         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
20537         * expr.c (expand_expr_real_1): Likewise.
20538         * gimple-low.c (lower_stmt): Likewise.
20539         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
20540         (dump_gimple_cdt): Remove.
20541         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
20542         (gimple_size): Likewise.
20543         (walk_gimple_op): Likewise.
20544         (is_gimple_stmt): Likewise.
20545         (walk_stmt_load_store_addr_ops): Likewise.
20546         (gimple_build_cdt): Remove.
20547         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
20548         * gimple.h (gimple_cdt_new_type): Remove.
20549         (gimple_cdt_new_type_ptr): Likewise.
20550         (gimple_cdt_set_new_type): Likewise.
20551         (gimple_cdt_location): Likewise.
20552         (gimple_cdt_location_ptr): Likewise.
20553         (gimple_cdt_set_location): Likewise.
20554         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
20555         * tree-cfg.c (remove_useless_stmts_1): Do not handle
20556         GIMPLE_CHANGE_DYNAMIC_TYPE.
20557         (verify_types_in_gimple_stmt): Likewise.
20558         * tree-inline.c (estimate_num_insns): Likewise.
20559         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
20560         (copy_decl_to_var): Likewise.
20561         (copy_result_decl_to_var): Likewise.
20562         * tree-pretty-print.c (dump_generic_node): Do not handle
20563         CHANGE_DYNAMIC_TYPE_EXPR.
20564         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
20565         * tree-ssa-operands.c (get_expr_operands): Likewise.
20566         * tree-ssa-structalias.c (struct variable_info): Remove
20567         no_tbaa_pruning member.
20568         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
20569         (unify_nodes): Do not copy it.
20570         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
20571         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
20572         (set_uids_in_ptset): Do not check it.
20573         (find_what_var_points_to): Likewise.
20574         (compute_tbaa_pruning): Remove.
20575         (compute_points_to_sets): Do not call it.
20576         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
20577         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
20578         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
20579         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
20580         (DECL_NO_TBAA_P): Likewise.
20581         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
20582         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
20583         (expand_omp_atomic_pipeline): Do not set it.
20584         * print-tree.c (print_node): Do not dump it.
20585         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
20586         redundant check.
20587
20588 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
20589
20590         PR target/39856
20591         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
20592         for clobber.
20593
20594 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
20595
20596         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
20597         non-external.
20598
20599 2009-05-22  Ben Elliston  <bje@au.ibm.com>
20600
20601         * Makefile.in (bversion.h, s-bversion): New targets.
20602         (TOPLEV_H): Add bversion.h.
20603         * toplev.h: Include "bversion.h".
20604         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
20605         the __format__ attribute only if compiling with the same version
20606         of GCC as the sources (the "build version").
20607
20608 2009-05-22  Ben Elliston  <bje@au.ibm.com>
20609
20610         * c-format.c (handle_format_attribute): Fix comment typo.
20611
20612 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
20613
20614         PR target/37846
20615         * config/ia64/ia64.opt (mfused-madd): New.
20616         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
20617         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
20618         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
20619         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
20620         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
20621         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
20622         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
20623         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
20624         instruction if !TARGET_FUSED_MADD.
20625         (fpma, fpms): Remove colon from name.
20626
20627 2009-05-22  Richard Guenther  <rguenther@suse.de>
20628
20629         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
20630         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
20631         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
20632         TARGET_MEM_REF.
20633         (create_expression_by_pieces): Only convert if necessary.
20634         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
20635         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
20636
20637 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
20638
20639         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
20640         regular pattern from a template and rename it ...
20641         (*extzv_truncsi_exts): ... to this.
20642
20643 2009-05-21  Richard Guenther  <rguenther@suse.de>
20644
20645         * cgraph.h (struct cgraph_node): Remove inline_decl member.
20646         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
20647         (cgraph_default_inline_p): Likewise.
20648         (cgraph_decide_inlining_incrementally): Likewise.
20649
20650 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
20651             Uros Bizjak  <ubizjak@gmail.com>
20652
20653         * config/i386/cpuid.h (bit_MOVBE): New.
20654
20655         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
20656
20657         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
20658         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
20659         (ix86_handle_option): Handle OPT_mmovbe.
20660         (ix86_target_string): Add -mmovbe.
20661         (pta_flags): Add PTA_MOVBE.
20662         (processor_alias_table): Add PTA_MOVBE to "atom".
20663         (override_options): Handle PTA_MOVBE.
20664
20665         * config/i386/i386.h (TARGET_MOVBE): New.
20666
20667         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
20668         (*bswapsi_movbe): New.
20669         (*bswapdi_movbe): Likewise.
20670         (bswapdi2): Renamed to ...
20671         (*bswapdi_1): This.
20672         (bswapdi2): New expander.
20673
20674         * config/i386/i386.opt (mmovbe): New.
20675
20676         * doc/invoke.texi: Document -mmovbe.
20677
20678 2009-05-21  Taras Glek  <tglek@mozilla.com>
20679
20680         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
20681         * gcc-plugin.h (plugin_init): Updated signature.
20682         * gcc-plugin.h (plugin_name_args): Moved to this header.
20683         * doc/plugins.texi (plugin_init): Updated documention to reflect
20684         API change.
20685         * doc/plugins.texi (plugin_name_args): Added to documention.
20686
20687 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
20688
20689         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
20690         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
20691
20692 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
20693
20694         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
20695         JUMP_TABLE_DATA_P predicates where applicable.
20696         * config/i386/predicates.md: Ditto.
20697         * config/i386/sse.md: Ditto.
20698
20699 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
20700
20701         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
20702         operand2 -128 override length_immediate attribute to 1.
20703         * config/i386/predicates.md (constm128_operand): New predicate.
20704
20705         * config/i386/i386.c (memory_address_length): Handle %r12
20706         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
20707         also check REGNO.
20708         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
20709         mode look through optional ZERO_EXTEND and SUBREG.
20710         * config/i386/i386.md (R12_REG): New define_constant.
20711         (prefix_data16): For sse unit set also for MODE_TI insns.
20712         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
20713         insns set if operand 1 is ext_QIreg_operand.
20714         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
20715         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
20716         immediate.
20717         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
20718         mode from MODE_DI to MODE_SI.
20719         (movdi_1_rex64): Override modrm and length_immediate attributes
20720         only for movabs (TYPE_IMOV, alternative 2).
20721         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
20722         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
20723         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
20724         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
20725         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
20726         prefix_rex attribute if DImode.
20727         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
20728         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
20729         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
20730         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
20731         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
20732         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
20733         Likewise.  For TYPE_IMOV clear length_immediate attribute.
20734         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
20735         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
20736         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
20737         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
20738         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
20739         or one operand TYPE_ISHIFT.
20740         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
20741         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
20742         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
20743         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
20744         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
20745         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
20746         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
20747         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
20748         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
20749         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
20750         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
20751         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
20752         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
20753         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
20754         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
20755         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
20756         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
20757         set mode attribute, don't override length attribute.
20758         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
20759         to 1.
20760         (return_internal_long): Set length attribute to 2 instead of 1.
20761         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
20762         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
20763         prefix_rex attribute.
20764         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
20765         New predicates.
20766         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
20767
20768 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20769
20770         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
20771
20772 2009-05-20  Ian Lance Taylor  <iant@google.com>
20773
20774         * tree.c (build_tree_list_vec_stat): New function.
20775         (ctor_to_vec): New function.
20776         (build_nt_call_vec): New function.
20777         (build_call_array): Change args to be a const pointer.
20778         (build_call_vec): New function.
20779         * tree.h (build_nt_call_vec): Declare.
20780         (build_tree_list_vec_stat): Declare.
20781         (build_tree_list_vec): Define.
20782         (build_call_array): Update declaration.
20783         (build_call_vec): Declare.
20784         (ctor_to_vec): Declare.
20785         * c-common.c (tree_vector_cache): New static variable.
20786         (make_tree_vector): New function.
20787         (release_tree_vector): New function.
20788         (make_tree_vector_single): New function.
20789         (make_tree_vector_copy): New function.
20790         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
20791         (make_tree_vector_single, make_tree_vector_copy): Declare.
20792         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
20793         (c_parser_expr_list): Don't manage cache here, instead call
20794         make_tree_vector.
20795         (c_parser_release_expr_list): Remove static function.
20796         (c_parser_vec_to_tree_list): Remove static function.
20797         (c_parser_attributes): Call build_tree_list_vec instead of
20798         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
20799         c_parser_release_expr_list.
20800         (c_parser_postfix_expression_after_primary): Likewise.
20801         (c_parser_objc_keywordexpr): Likewise.
20802
20803 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
20804
20805         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
20806         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
20807         TARGET_CONVERT_TO_TYPE.
20808         * hooks.c (hook_tree_const_tree_null): Define.
20809         * hooks.h (hook_tree_const_tree_null): Declare.
20810         * target.h (struct gcc_target):  Add invalid_parameter_type,
20811         invalid_return_type, promoted_type, and convert_to_type fields.
20812         * target-def.h (TARGET_INVALID_PARAMETER_TYPE): Define.
20813         (TARGET_INVALID_RETURN_TYPE): Define.
20814         (TARGET_PROMOTED_TYPE): Define.
20815         (TARGET_CONVERT_TO_TYPE): Define.
20816         (TARGET_INITIALIZER): Update for new fields.
20817         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
20818         (grokparms): Check targetm.invalid_parameter_type.
20819         * c-typeck.c (default_conversion): Check targetm.promoted_type.
20820         * c-convert.c (convert): Check targetm.convert_to_type.
20821
20822 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
20823
20824         * config/mips/mips.md (*extenddi_truncate<mode>,
20825         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
20826         defintions.
20827         (*extendhi_truncateqi): New define_insn_and_sptit.
20828
20829 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
20830
20831         PR middle-end/40204
20832         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
20833         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
20834
20835 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
20836
20837         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
20838         the operand of VIEW_CONVERT_EXPR.
20839
20840 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
20841
20842         * config/i386/driver-i386.c (host_detect_local_cpu): Check
20843         extended family and model for Intel processors.  Support Intel Atom.
20844
20845 2009-05-20  Olivier Hainque  <hainque@adacore.com>
20846
20847         * gstab.h (stab_code_type): Define, to be used instead of the
20848         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
20849         notice.
20850         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
20851         occurrences by stab_code_type.
20852         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
20853
20854 2009-05-20  Martin Jambor  <mjambor@suse.cz>
20855
20856         * tree-flow.h (insert_edge_copies_seq): Undeclare.
20857         (sra_insert_before): Likewise.
20858         (sra_insert_after): Likewise.
20859         (sra_init_cache): Likewise.
20860         (sra_type_can_be_decomposed_p): Likewise.
20861         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
20862         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
20863         (sra_insert_before): Likewise.
20864         (sra_insert_after): Likewise.
20865         (sra_init_cache): Likewise.
20866         (insert_edge_copies_seq): Made static and moved upwards.
20867
20868         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
20869         case.
20870
20871         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
20872
20873         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
20874         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
20875         simple copies.
20876
20877 2009-05-20  Richard Guenther  <rguenther@suse.de>
20878
20879         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
20880         with mismatched comparison modes.
20881
20882 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20883
20884         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
20885         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
20886         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
20887         with shifts for Thumb2.
20888         (orsi_notsi): New for orn.
20889         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
20890         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
20891         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
20892         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
20893         Don't invert remainder for IOR.
20894
20895 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
20896
20897         PR tree-optimization/40087
20898         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
20899         number_of_iterations_ne): Rename never_infinite argument.
20900         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
20901         number_of_iterations_le): Handle pointer-type ivs when
20902         exit_must_be_taken is false.
20903         (number_of_iterations_cond):  Do not always assume that
20904         exit_must_be_taken if the control variable is a pointer.
20905
20906 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20907
20908         * c-typeck.c (build_binary_op): Allow % on integal vectors.
20909         * doc/extend.texi (Vector Extension): Document that % is allowed too.
20910
20911 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
20912
20913         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
20914         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
20915
20916 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20917
20918         PR c/40172
20919         * c.opt (Wlogical-op): Disabled by default.
20920         * c-opt (c_common_post_options): Do not enable Wlogical-op with
20921         Wextra.
20922         * doc/invoke.texi (Wlogical-op): Likewise.
20923
20924 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
20925
20926         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
20927         into CASE_CONVERT.
20928         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
20929         Propagate the type of the first operand.
20930         <ASSERT_EXPR>: Simplify.
20931         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
20932         Rewrite using the RHS code as discriminant.
20933         <NOP_EXPR>: Turn into CASE_CONVERT.
20934         <PLUS_EXPR>: Propagate the type of the first operand.
20935
20936 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
20937
20938         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
20939         (ia64_dconst_0_375): New.
20940         * config/ia64/ia64.c (ia64_override_options): Remove
20941         -minline-sqrt-min-latency warning.
20942         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
20943         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
20944         * config/ia64/ia64.md (*sqrt_approx): Remove.
20945         (sqrtsf2): Remove #if 0.
20946         (sqrtsf2_internal_thr): Rewrite and move to div.md.
20947         (sqrtdf): Remove assert.
20948         (sqrtdf2_internal_thr): Rewrite and move to div.md.
20949         (sqrtxf2): Remove #if 0.
20950         (sqrtxf2_internal_thr): Rewrite and move to div.md.
20951         * div.md (sqrt_approx_rf): New.
20952         (sqrtsf2_internal_thr): New implementation.
20953         (sqrtsf2_internal_lat): New.
20954         (sqrtdf2_internal_thr: New implementation.
20955         (sqrtxf2_internal): New implementation.
20956
20957 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
20958             Hans-Peter Nilsson  <hp@axis.com>
20959
20960         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
20961         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
20962         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
20963         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
20964         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
20965         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
20966         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
20967         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
20968         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
20969         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
20970         * c-common.c: ...from here.
20971
20972 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20973
20974         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
20975
20976 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20977
20978         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
20979
20980 2009-05-19  Ben Elliston  <bje@au.ibm.com>
20981
20982         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
20983         assignments with memcpy calls.
20984         (add_fdes): Likewise.
20985         (binary_search_unencoded_fdes): Likewise.
20986         (linear_search_fdes): Eliminate type puns.
20987
20988 2009-05-19  Richard Guenther  <rguenther@suse.de>
20989
20990         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
20991         not falsely claim to have propagated into all uses.
20992
20993 2009-05-19  Ben Elliston  <bje@au.ibm.com>
20994
20995         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
20996         version to v3.0.
20997
20998 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
20999
21000         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
21001         * config/sh/sh.c (sh_legitimate_address_p): Make static.
21002         (TARGET_LEGITIMATE_ADDRESS_P): New.
21003         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21004         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
21005
21006 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
21007
21008         PR debug/40109
21009         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
21010         child of the containing namespace's DIE.
21011
21012 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
21013
21014         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
21015         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
21016         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
21017         extend patterns.
21018
21019 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
21020
21021         PR target/39942
21022         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
21023         gen_align with gen_pad.
21024         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
21025         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
21026
21027         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
21028         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
21029
21030         * config/i386/i386.md (align): Renamed to ...
21031         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
21032         ASM_OUTPUT_MAX_SKIP_PAD.
21033
21034 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
21035
21036         * config.gcc: Fix variable syntax.
21037
21038         PR target/39531
21039         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
21040         before calling exact_log2.
21041         (output_iorsi3): Likewise.
21042         (output_xorsi3): Likewise.
21043
21044 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
21045
21046         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
21047         for the none zero constant operand except for EQ and NE
21048         comprisons even when the first operand is R0.
21049
21050 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
21051
21052         * config/s390/2064.md: Remove trailing whitespaces.
21053         * config/s390/2084.md: Likewise.
21054         * config/s390/constraints.md: Likewise.
21055         * config/s390/fixdfdi.h: Likewise.
21056         * config/s390/libgcc-glibc.ver: Likewise.
21057         * config/s390/s390-modes.def: Likewise.
21058         * config/s390/s390-protos.h: Likewise.
21059         * config/s390/s390.c: Likewise.
21060         * config/s390/s390.h: Likewise.
21061         * config/s390/s390.md: Likewise.
21062         * config/s390/tpf-unwind.h: Likewise.
21063
21064 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
21065
21066         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
21067
21068 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
21069
21070         M68K TLS support.
21071         * configure.ac (m68k-*-*): Check if binutils support TLS.
21072         * configure: Regenerate.
21073         * config/m68k/predicates.md (symbolic_operand): Extend comment.
21074         * config/m68k/constraints.md (Cu): New constraint.
21075         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
21076         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
21077         (movsi): Handle TLS symbols.
21078         (addsi3_5200): Handle XTLS symbols, indent.
21079         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
21080         (m68k_tls_reference_p): Declare.
21081         (m68k_legitimize_address): Declare.
21082         (m68k_unwrap_symbol): Declare.
21083         * config/m68k/m68k.opt (mxtls): New option.
21084         * config/m68k/m68k.c (ggc.h): Include.
21085         (m68k_output_dwarf_dtprel): Implement hook.
21086         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
21087         (m68k_expand_prologue): Load GOT pointer when function needs it.
21088         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
21089         (m68k_legitimate_constant_address_p): Same.
21090         (m68k_decompose_address): Handle TLS references.
21091         (m68k_get_gp): New static function.
21092         (enum m68k_reloc): New contants.
21093         (TLS_RELOC_P): New macro.
21094         (m68k_wrap_symbol): New static function.
21095         (m68k_unwrap_symbol): New function.
21096         (m68k_final_prescan_insn_1): New static function.
21097         (m68k_final_prescan_insn): New function.
21098         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
21099         functions.
21100         (legitimize_pic_address): Handle TLS references..
21101         (m68k_tls_get_addr, m68k_get_tls_get_addr)
21102         (m68k_libcall_value_in_a0_p)
21103         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
21104         (m68k_call_m68k_read_tp): Helper variables and functions for ...
21105         (m68k_legitimize_tls_address): Handle TLS references.
21106         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
21107         New functions.
21108         (m68k_legitimize_address): Handle TLS symbols.
21109         (m68k_get_reloc_decoration): New static function.
21110         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
21111         UNSPEC_RELOC32.
21112         (m68k_output_dwarf_dtprel): Implement hook.
21113         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
21114         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
21115         m68k_call_* routines.
21116         (sched_attr_op_type): Handle TLS symbols.
21117         (gt-m68k.h): Include.
21118         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
21119         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
21120
21121 2009-05-18  Martin Jambor  <mjambor@suse.cz>
21122
21123         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
21124         (visit_store_addr_for_mod_analysis): New function.
21125         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
21126         (determine_cst_member_ptr): Use gimple_assign_single_p.
21127         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
21128         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
21129         operands.  Don't check number of operands of a NOP_EXPR.
21130
21131 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
21132
21133         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
21134
21135 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21136
21137         PR c/40172
21138         * c-common.c (warn_logical_operator): Don't warn if one of
21139         expression isn't always true or false.
21140
21141 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
21142
21143         * config/i386/biarch32.h: New file.
21144         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
21145
21146 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
21147
21148         * config/mips/mips.md (*zero_extend<mode>_trunchi,
21149         *zero_extend<mode>_truncqi): Merge these into ...
21150         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
21151         Name the pattern following this as *zero_extendhi_truncqi.
21152
21153 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
21154
21155         PR middle-end/39301
21156         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
21157         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
21158         (output_info): Make field HOST_WIDEST_INT.
21159         (print_statistics): Use HOST_WIDEST_INT_PRINT.
21160         (dump_bitmat_statistics): Same.
21161
21162 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
21163
21164         * config.gcc (use_gcc_stdint):  Set to wrap.
21165         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
21166         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
21167         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
21168         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
21169         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
21170         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
21171         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
21172         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
21173
21174 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
21175
21176         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
21177         tune_64.
21178         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
21179         Move definitions earlier.
21180         (OPT_ARCH64, OPT_ARCH32): Define.
21181         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
21182         and tune_64.
21183
21184 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
21185
21186         PR target/40153
21187         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
21188         implies.
21189
21190 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
21191
21192         * arm.md (movdi2): Copy non-reg values to DImode registers.
21193
21194 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
21195
21196         PR target/39942
21197         * final.c (label_to_max_skip): New function.
21198         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
21199         CODE_LABEL_NUMBER <= max_labelno.
21200         * output.h (label_to_max_skip): New prototype.
21201         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
21202         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
21203         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
21204         Handle CODE_LABELs with >= 16 byte alignment or with
21205         max_skip == (1 << align) - 1.
21206         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
21207         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
21208
21209         PR target/39942
21210         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
21211         .p2align 3 if MAX_SKIP is smaller than 7.
21212         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
21213
21214 2009-05-15  Ian Lance Taylor  <iant@google.com>
21215
21216         * alias.c (struct alias_set_entry_d): Rename from struct
21217         alias_set_entry.  Change all uses.
21218         * except.c (struct call_site_record_d): Rename from struct
21219         call_site_record.  Change all uses.
21220         * except.h (struct eh_region_d): Rename from struct eh_region.
21221         Change all uses.
21222         * gcse.c (struct hash_table_d): Rename from struct hash_table.
21223         Change all uses.
21224         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
21225         ivtype_map_elt.  Change all uses.
21226         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
21227         Change all uses.
21228         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
21229         * graphite.h (struct name_tree_d): Rename from struct name_tree.
21230         Change all uses.
21231         (struct sese_d): Rename from struct sese.  Change all uses.
21232         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
21233         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
21234         * optabs.h (struct optab_d): Rename from struct optab.  Change all
21235         uses.
21236         (struct convert_optab_d): Rename from struct convert_optab.
21237         Change all uses.
21238         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
21239         ipa_opt_pass.  Change all uses.
21240         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
21241         all uses.
21242
21243         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
21244         defined as a typedef.
21245         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
21246         defined as a tag.
21247
21248 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21249
21250         PR 16302
21251         * fold-const.c (make_range,build_range_check,merge_ranges): Move
21252         declaration to...
21253         (merge_ranges): Returns bool.
21254         * tree.h (make_range): .. to here.
21255         (build_range_check): Likewise.
21256         (merge_ranges): Likewise. Renamed from merge_ranges.
21257         * c-typeck.c (parser_build_binary_op): Update calls to
21258         warn_logical_operator.
21259         * c-common.c (warn_logical_operator): Add new warning.
21260         * c-common.h (warn_logical_operator): Update declaration.
21261
21262 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21263
21264         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
21265
21266 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21267
21268         * doc/install.texi: Document MPC requirements, flags etc.
21269
21270         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
21271         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
21272         Evaluate constant arguments.
21273         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
21274         (fold_builtin_1): Likewise, also evaluate constant arguments.
21275         Remove superfluous break.
21276         (do_mpc_ckconv): New.
21277         * real.h: Include mpc.h.
21278         * toplev.c (print_version): Output MPC version info if available.
21279
21280 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
21281
21282         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
21283
21284 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
21285
21286         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
21287         only once.
21288
21289 2009-05-15  Jan Hubicka  <jh@suse.cz>
21290
21291         * doc/invoke.texi (max-early-inliner-iterations): New flag.
21292         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
21293         (try_inline): Fix return value.
21294         (cgraph_decide_inlining_incrementally): Honor new value.
21295         (cgraph_early_inlining): Handle indirect inlining.
21296         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
21297
21298 2009-05-15  Jan Hubicka  <jh@suse.cz>
21299
21300         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
21301         * cgraphunit.c (cgraph_finalize_function): Set it.
21302         (cgraph_expand_function): Use it.
21303
21304 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
21305
21306         * real.c (encode_ieee_half): Define.
21307         (decode_ieee_half): Define.
21308         (ieee_half_format): Define.
21309         (arm_half_format): Define.
21310         * real.h (ieee_half_format): Declare.
21311         (arm_half_format): Declare.
21312
21313 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
21314
21315         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
21316         swapped, and reversed optabs exist before trying to use them.
21317
21318 2009-05-15  Paul Brook  <paul@codesourcery.com>
21319             Sandra Loosemore  <sandra@codesourcery.com>
21320
21321         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
21322         loads.  Allow PRE_DEC.
21323         (output_move_neon): Handle PRE_DEC.
21324         (arm_print_operand): Add 'A' for neon structure loads.
21325         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
21326         * config/arm/neon.md (neon_mov): Update comment.
21327         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
21328         calls.
21329         (Um): New constraint.
21330
21331 2009-05-15  Jan Hubicka  <jh@suse.cz>
21332
21333         Revert the following patch until testsuite fallout is fixed:
21334         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
21335         * cgraph.h (struct inline_summary): New filed self_wize,
21336         size_inlining_benefit, self_time and time_inlining_benefit.
21337         (struct cgraph_global_info): Replace insns by time ans size fields.
21338         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
21339         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
21340         (ipcp_update_callgraph): Do not touch function bodies.
21341         * ipa-inline.c: Include except.h
21342         (MAX_TIME): New constant.
21343         (overall_insns): Remove
21344         (overall_size, max_benefit): New static variables.
21345         (cgraph_estimate_time_after_inlining): New function.
21346         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
21347         (cgraph_clone_inlined_nodes): Update size.
21348         (cgraph_mark_inline_edge): Update size.
21349         (cgraph_estimate_growth): Use size info.
21350         (cgraph_check_inline_limits): Check size.
21351         (cgraph_default_inline_p): Likewise.
21352         (cgraph_edge_badness): Compute badness based on benefit and size cost.
21353         (cgraph_decide_recursive_inlining): Check size.
21354         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
21355         and times.
21356         (cgraph_decide_inlining): Likewise.
21357         (cgraph_decide_inlining_incrementally): Likewise; honor
21358         PARAM_EARLY_INLINING_INSNS.
21359         (likely_eliminated_by_inlining_p): New predicate.
21360         (estimate_function_body_sizes): New function.
21361         (compute_inline_parameters): Use it.
21362         * except.c (must_not_throw_labels): New function.
21363         * except.h (must_not_throw_labels): Declare.
21364         * tree-inline.c (init_inline_once): Kill inlining_weigths
21365         * tree-ssa-structalias.c: Avoid uninitialized warning.
21366         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
21367         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
21368         (PARAM_INLINE_CALL_COST): Remove.
21369         (PARAM_EARLY_INLINING_INSNS): New.
21370
21371 2009-05-15  Richard Guenther  <rguenther@suse.de>
21372
21373         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
21374         not TODO_update_ssa.
21375
21376 2009-05-15  Richard Guenther  <rguenther@suse.de>
21377
21378         PR tree-optimization/39999
21379         * gimple.h (gimple_expr_type): Use the expression type looking
21380         through useless conversions.
21381         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
21382         (vn_nary_op_insert_stmt): Likewise.
21383         (simplify_binary_expression): Likewise.
21384
21385 2009-05-15  Richard Guenther  <rguenther@suse.de>
21386
21387         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
21388         New options, enabled by default.
21389         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
21390         Document.
21391         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
21392         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
21393         * tree-ssa-structalias.c (gate_tree_pta): New function.
21394         (pass_build_alias): Use it.
21395
21396 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
21397
21398         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
21399         recurse on an invariant address if a conversion from a pointer
21400         type to a wider integer type is involved.
21401
21402 2009-05-15  Jan Hubicka  <jh@suse.cz>
21403
21404         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
21405         * cgraph.h (struct inline_summary): New filed self_wize,
21406         size_inlining_benefit, self_time and time_inlining_benefit.
21407         (struct cgraph_global_info): Replace insns by time ans size fields.
21408         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
21409         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
21410         (ipcp_update_callgraph): Do not touch function bodies.
21411         * ipa-inline.c: Include except.h
21412         (MAX_TIME): New constant.
21413         (overall_insns): Remove
21414         (overall_size, max_benefit): New static variables.
21415         (cgraph_estimate_time_after_inlining): New function.
21416         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
21417         (cgraph_clone_inlined_nodes): Update size.
21418         (cgraph_mark_inline_edge): Update size.
21419         (cgraph_estimate_growth): Use size info.
21420         (cgraph_check_inline_limits): Check size.
21421         (cgraph_default_inline_p): Likewise.
21422         (cgraph_edge_badness): Compute badness based on benefit and size cost.
21423         (cgraph_decide_recursive_inlining): Check size.
21424         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
21425         and times.
21426         (cgraph_decide_inlining): Likewise.
21427         (cgraph_decide_inlining_incrementally): Likewise; honor
21428         PARAM_EARLY_INLINING_INSNS.
21429         (likely_eliminated_by_inlining_p): New predicate.
21430         (estimate_function_body_sizes): New function.
21431         (compute_inline_parameters): Use it.
21432         * except.c (must_not_throw_labels): New function.
21433         * except.h (must_not_throw_labels): Declare.
21434         * tree-inline.c (init_inline_once): Kill inlining_weigths
21435         * tree-ssa-structalias.c: Avoid uninitialized warning.
21436         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
21437         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
21438         (PARAM_INLINE_CALL_COST): Remove.
21439         (PARAM_EARLY_INLINING_INSNS): New.
21440         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
21441         (inline-call-cost): Remove.
21442         (early-inlining-insns): New.
21443
21444 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
21445
21446         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
21447         for bounds.
21448         (print_int_cst_bounds_in_octal_p): Likewise.
21449         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
21450         with subtypes.
21451         * dwarf2out.c (base_type_die): Likewise.
21452         (is_subrange_type): Delete.
21453         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
21454         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
21455         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
21456         if the destination type is boolean.
21457         (build_range_check): Do not special-case subtypes.
21458         (fold_sign_changed_comparison): Likewise.
21459         (fold_unary): Likewise.
21460         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
21461         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
21462         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
21463         * tree.c (subrange_type_for_debug_p): New predicate based on the
21464         former is_subrange_type.
21465         * tree.h (subrange_type_for_debug_p): Declare.
21466         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
21467         (convert_affine_scev): Remove call to above function.
21468         (chrec_convert_aggressive): Likewise.
21469         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
21470         false for conversions involving subtypes.
21471         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
21472         (vrp_val_min): Likewise.
21473         (needs_overflow_infinity): Likewise.
21474         (extract_range_from_unary_expr): Likewise.
21475
21476 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
21477
21478         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
21479         * config/frv/frv.c: Likewise.
21480         * config/s390/s390.c: Likewise.
21481         * config/sparc/sparc.h: Likewise.
21482         * config/i386/i386.h: Likewise.
21483         * config/i386/i386.c: Likewise.
21484         * config/crx/crx.c: Likewise.
21485         * config/m68hc11/m68hc11.h: Likewise.
21486         * config/iq2000/iq2000.c: Likewise.
21487         * config/mn10300/mn10300.h: Likewise.
21488         * config/mn10300/mn10300.c: Likewise.
21489         * config/m68k/m68k.c: Likewise.
21490         * config/rs6000/rs6000.c: Likewise.
21491         * config/rs6000/xcoff.h: Likewise.
21492         * config/rs6000/linux64.h: Likewise.
21493         * config/rs6000/sysv4.h: Likewise.
21494         * config/score/score3.c: Likewise.
21495         * config/score/score7.c: Likewise.
21496         * config/score/score.c: Likewise.
21497         * config/arm/arm.md: Likewise.
21498         * config/mips/mips.c: Likewise.
21499         * config/mips/mips.md: Likewise.
21500         * config/bfin/bfin.h: Likewise.
21501         * config/pa/pa.c: Likewise.
21502         * config/pa/constraints.md: Likewise.
21503
21504         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
21505         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
21506         * config/pdp11/pdp11.h: Use memory_address_p instead.
21507
21508 2009-05-14  Ian Lance Taylor  <iant@google.com>
21509
21510         * passes.c (finish_optimization_passes): Change i to int.
21511         * plugin.c (plugins_active_p): Change event to int.
21512         (dump_active_plugins): Likewise.
21513         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
21514         Add cast.
21515         * tree.c (tree_range_check_failed): Change c to unsigned int.
21516         (omp_clause_range_check_failed): Likewise.
21517         (build_common_builtin_nodes): Change mode to int.  Add cast.
21518         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
21519         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
21520
21521         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
21522         ++ or -- with a variable of enum type.
21523
21524 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
21525
21526         PR driver/40144
21527         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
21528
21529 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
21530
21531         * store-motion.c: Do not include params.h
21532         * Makefile.in: Fix dependencies for various files.
21533
21534 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
21535
21536         * auto-inc-dec.c: Fix pass description, remove apparent
21537         accidental duplication.
21538
21539 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
21540
21541         PR middle-end/40147
21542         * ipa-utils.h (memory_identifier_string): Moved to ...
21543         * tree.h (memory_identifier_string): Here.  Add GTY(()).
21544
21545 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
21546
21547         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
21548         in the former documentation of...
21549         (GO_IF_LEGITIMATE_ADDRESS): ... this.
21550         * ira-conflicts.c (get_dup_num): Use address_operand.
21551         * targhooks.c (default_legitimate_address_p): New.
21552         * targhooks.h (default_legitimate_address_p): New.
21553         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
21554         Call hook.
21555         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
21556         * target.h (struct target): Add legitimate_address_p.
21557         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
21558         (TARGET_INITIALIZER): Include it.
21559
21560         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21561         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
21562         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
21563         (TARGET_LEGITIMATE_ADDRESS_P): New.
21564
21565         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21566         (REG_OK_STRICT_P): Delete.
21567         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
21568         (frv_legitimate_address_p_1): ... this.
21569         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
21570         (frv_legitimate_address_p_1): ... the renamed old
21571         frv_legitimate_address_p.
21572         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
21573         (TARGET_LEGITIMATE_ADDRESS_P): New.
21574
21575         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21576         * config/s390/s390-protos.h (legitimate_address_p): Remove.
21577         * config/s390/s390.c (legitimate_address_p): Rename to...
21578         (s390_legitimate_address_p): ... this, make static.
21579         (legitimize_address): Adjust call.
21580         (TARGET_LEGITIMATE_ADDRESS_P): New.
21581         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
21582
21583         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21584         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
21585         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
21586         (TARGET_LEGITIMATE_ADDRESS_P): New.
21587
21588         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21589         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
21590         * config/spu/spu.c (spu_legitimate_address): Rename to...
21591         (spu_legitimate_address_p): ... this, make static.
21592         (TARGET_LEGITIMATE_ADDRESS_P): New.
21593
21594         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21595         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
21596         * config/sparc/sparc.c (legitimate_address_p): Rename to...
21597         (sparc_legitimate_address_p): ... this, make static and return bool.
21598         (legitimize_address): Adjust call.
21599         (TARGET_LEGITIMATE_ADDRESS_P): New.
21600
21601         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21602         * config/i386/i386-protos.h (legitimate_address_p): Remove.
21603         * config/i386/i386.c (legitimate_address_p): Rename to...
21604         (ix86_legitimate_address_p): ... this, make static.
21605         (constant_address_p): Move after it, adjust call.
21606         (TARGET_LEGITIMATE_ADDRESS_P): New.
21607
21608         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21609         * config/avr/avr-protos.h (legitimate_address_p): Remove.
21610         * config/avr/avr.c (legitimate_address_p): Rename to...
21611         (avr_legitimate_address_p): ... this, make static.
21612         (legitimize_address): Adjust call.
21613         (TARGET_LEGITIMATE_ADDRESS_P): New.
21614
21615         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21616         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
21617         * config/crx/crx.c (crx_legitimate_address_p): Make static.
21618         (TARGET_LEGITIMATE_ADDRESS_P): New.
21619
21620         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21621         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
21622         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
21623         (TARGET_LEGITIMATE_ADDRESS_P): New.
21624
21625         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21626         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
21627         Remove.
21628         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
21629         Make static.
21630         (TARGET_LEGITIMATE_ADDRESS_P): New.
21631
21632         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21633         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
21634         Remove.
21635         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
21636         Rename to...
21637         (m68hc11_legitimate_address_p): ... this, make static.
21638         (go_if_legitimate_address_internal): Rename to...
21639         (m68hc11_legitimate_address_p_1): ... this.
21640         (legitimize_address): Adjust call.
21641         (TARGET_LEGITIMATE_ADDRESS_P): New.
21642
21643         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21644         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
21645         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
21646         (TARGET_LEGITIMATE_ADDRESS_P): New.
21647
21648         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21649         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
21650         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
21651         (mn10300_legitimate_address_p): ... this, make static.
21652         (TARGET_LEGITIMATE_ADDRESS_P): New.
21653
21654         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21655         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
21656         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
21657         (TARGET_LEGITIMATE_ADDRESS_P): New.
21658
21659         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21660         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
21661         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
21662         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21663         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
21664         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
21665         (rs6000_legitimate_address_p): ... this, make static.
21666         (TARGET_LEGITIMATE_ADDRESS_P): New.
21667         (REG_MODE_OK_FOR_BASE_P): Delete.
21668         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
21669
21670         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21671         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
21672         Delete.
21673         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
21674         static, adjust types.
21675         (TARGET_LEGITIMATE_ADDRESS_P): New.
21676
21677         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21678         * config/score/score.c (score_address_p): Rename to...
21679         (score_legitimate_address_p): ... this.
21680         (TARGET_LEGITIMATE_ADDRESS_P): New.
21681         * config/score/score3.c (score3_address_p): Rename to...
21682         (score3_legitimate_address_p): ... this.
21683         * config/score/score7.c (score7_address_p): Rename to...
21684         (score7_legitimate_address_p): ... this.
21685
21686         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
21687         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
21688         GO_IF_LEGITIMATE_ADDRESS): Delete.
21689         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
21690         thumb2_legitimate_address_p): Delete.
21691         (arm_legitimate_address_p): Rename to...
21692         (arm_legitimate_address_outer_p): ... this.
21693         * config/arm/constraints.md ("Uq"): Adjust call.
21694         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
21695         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
21696         to...
21697         (arm_legitimate_address_outer_p): ... this.
21698         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
21699         static.
21700         (TARGET_LEGITIMATE_ADDRESS_P): New.
21701
21702         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21703         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
21704         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
21705         (TARGET_LEGITIMATE_ADDRESS_P): New.
21706
21707         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21708         * config/vax/vax-protos.h (legitimate_address_p): Remove.
21709         * config/vax/vax.c (legitimate_address_p): Rename to...
21710         (vax_legitimate_address_p): ... this, make static.
21711         (TARGET_LEGITIMATE_ADDRESS_P): New.
21712
21713         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21714         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
21715         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
21716         (TARGET_LEGITIMATE_ADDRESS_P): New.
21717
21718         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21719         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
21720         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
21721         (mmix_legitimate_address_p): ... this, make static.
21722         (TARGET_LEGITIMATE_ADDRESS_P): New.
21723
21724         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21725         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
21726         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
21727         (TARGET_LEGITIMATE_ADDRESS_P): New.
21728
21729 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
21730
21731         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
21732         of MODE_COMPLEX_INT.
21733
21734 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
21735
21736         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
21737         LCT_NORMAL in function call.
21738         * mips-tdump.c (print_file_desc): Add cast to enum type.
21739         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
21740         (mark_stabs): Add casts to enum types.
21741         (parse_stabs_common): Add casts to enum types.
21742
21743 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
21744
21745         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
21746         Check for invalid values of LETTER.
21747
21748 2009-05-13  Taras Glek  <tglek@mozilla.com>
21749
21750         * attribs.c (register_attribute): moved out attribute registration
21751         into register_attribute.
21752         * doc/plugins.texi: Documented register_attribute and
21753         PLUGIN_ATTRIBUTES.
21754         * gcc-plugin.h: Added forward decl for register_attribute.
21755         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
21756         * plugin.c (register_callback, invoke_plugin_callbacks): Added
21757         PLUGIN_ATTRIBUTES boilerplate.
21758
21759 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
21760
21761         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
21762         values even in sentinel and empty entries.
21763         (ms_printf_flag_specs):  Likewise.
21764         (ms_scanf_flag_specs):  Likewise.
21765         (ms_strftime_flag_specs):  Likewise.
21766         (ms_print_char_table):  Likewise.
21767         (ms_scan_char_table):  Likewise.
21768         (ms_time_char_table):  Likewise.
21769
21770 2009-05-13  Doug Kwan  <dougkwan@google.com>
21771
21772         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
21773
21774 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
21775
21776         * config/mips/mips.md (store): Add attributes for QI and HI.
21777         Update comment.
21778         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
21779         (truncdi<mode>2): ... this new pattern.
21780
21781 2009-05-13  Brad Hards  <bradh@kde.org>
21782
21783         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
21784
21785 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
21786             Ben Elliston <bje@au.ibm.com>
21787
21788         PR middle-end/40035
21789         * dse.c (check_mem_read_rtx): Guard against width == -1.
21790
21791 2009-05-13  Michael Matz  <matz@suse.de>
21792
21793         PR middle-end/39976
21794         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
21795         (trivially_conflicts_p): New function.
21796         (insert_backedge_copies): Use it.
21797
21798 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
21799
21800         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
21801         (handle_stdc_pragma): Use new enum constant names.
21802         (handle_pragma_float_const_decimal64): Ditto.
21803
21804 2009-05-13  Ian Lance Taylor  <iant@google.com>
21805
21806         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
21807         tree.def.
21808
21809 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
21810
21811         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
21812         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
21813         multilibs.
21814         * config/m68k/m68k.h (FL_UCLINUX): Define.
21815
21816 2009-05-13  Jan Hubicka  <jh@suse.cz>
21817
21818         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
21819
21820 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
21821
21822         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
21823         unless -fschedule-insns is specified.
21824
21825 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
21826
21827         PR target/39561
21828         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
21829         TARGET_EXPAND_CBRANCHDI4.
21830         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
21831         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
21832         (cmpeqdi): Fix comment.
21833
21834 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
21835
21836         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
21837         (sh_legitimate_address_p): Likewise.
21838         * config/sh/sh.c (sh_legitimate_index_p): New.
21839         (sh_legitimate_address_p): Likewise.
21840         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
21841         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
21842         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
21843         (MAYBE_BASE_REGISTER_RTX_P): New macro.
21844         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
21845         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
21846         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
21847         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
21848         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
21849
21850 2009-05-12  Jan Hubicka  <jh@suse.cz>
21851
21852         * tree-inline.c (estimate_operator_cost): Add operands;
21853         when division happens by constant, it is cheap.
21854         (estimate_num_insns): Loads and stores are not having cost of 0;
21855         EH magic stuff is cheap; when computing runtime cost of switch,
21856         use log2 base of amount of its cases; builtin_expect has cost of 0;
21857         compute cost for moving return value of call.
21858         (init_inline_once): Initialize time_based flags.
21859         * tree-inline.h (eni_weights_d): Add time_based flag.
21860
21861 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21862
21863         * df-core.c: Update head documentation.
21864
21865 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
21866
21867         PR bootstrap/40118
21868         * rs6000.c (rs6000_generate_compare): Use op1b instead of
21869         shadowing exisiting variable op1.
21870
21871 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
21872
21873         PR target/37179
21874         * config/i386/driver-i386.c (processor_signatures): New enum.
21875         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
21876         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
21877         processor signature to detect geode processor.
21878
21879 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21880
21881         Revert:
21882
21883         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21884
21885         * optabs.c (prepare_cmp_insn): Temporarily disable test that
21886         causes spurious differences between trunk and cond-optab branch.
21887
21888 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21889
21890         * dojump.c (compare_from_rtx): Delete.
21891         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
21892         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
21893         if the comparison does not satisfy the predicate; test predicates for
21894         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
21895         further if one existing pattern fails.
21896         * expr.h (compare_from_rtx): Delete.
21897         (prepare_operand): Declare it.
21898         * optabs.c: Change "lib call" to "libcall" throughout.
21899         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
21900         HAVE_conditional_trap, emit_cmp_insn): Delete.
21901         (can_compare_p): Delete cmp_optab case.
21902         (prepare_float_lib_cmp): Return an rtx and a machine mode.
21903         Accept other parameters by value.
21904         (prepare_operand): Make non-static.
21905         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
21906         other parameters by value.  Try to widen operands here based on
21907         an optab_methods argument and looking at cbranch_optab.
21908         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
21909         loop.  Use cbranch_optab directly.
21910         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
21911         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
21912         assertion.
21913         (emit_conditional_move, emit_conditional_add): Inline what's needed
21914         of compare_from_rtx, using new prepare_cmp_insn for the rest.
21915         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
21916         with COMPARE.  Move cmov_optab and cstore_optab above
21917         with cbranch_optab, move cmp_optab down with ucmp_optab,
21918         remove tst_otpab.  Do not initialize trap_rtx.
21919         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
21920         for trap code.  Do not check HAVE_conditional_trap.  Use
21921         prepare_cmp_insn.  Accept no predicate for operand 3.
21922         * optabs.h (OTI_cmp): Mark as used only for libcalls.
21923         (OTI_ctrap, ctrap_optab): New.
21924         (tst_optab): Delete.
21925         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
21926         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
21927         with lookup of ctrap_optab.
21928         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
21929         Delete.
21930         (ctrap_optab): New.
21931
21932         * combine.c (combine_simplify_rtx, simplify_set): Do not
21933         special case comparing against zero for cc0 machines.
21934         * simplify-rtx.c (simplify_binary_operation_1): Never remove
21935         COMPARE on cc0 machines.
21936         (simplify_relational_operation): Return a new expression when
21937         a COMPARE could be removed.
21938         * final.c (final_scan_insn): Compare cc_status values
21939         against LHS of a (compare FOO (const_int 0)) cc0 source.
21940         Also check if cc_status.value is the full compare.
21941
21942         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
21943         (cstoreMM4): Document.
21944         (conditional_trap): Document ctrapMM4 instead.
21945         (sync_compare_and_swapMM): Refer to cbranchcc4.
21946         (Dependent Patterns): Eliminate obsolete information referring to
21947         the old jump optimization phase.
21948         (Canonicalization): Include cbranchcc4 case, omit canonicalization
21949         of compares with 0 on cc0 machines.
21950         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
21951         avoiding references to cc0.  Remove text about storing operands
21952         in cmpMM.
21953         * doc/tm.texi (Condition Codes): Include blurb on different
21954         condition code representations, separate into subsections for
21955         CC0, MODE_CC and conditional execution.
21956
21957         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
21958         alpha_emit_setcc): Accept operands and a machine mode.
21959         * config/alpha/alpha.c (alpha_emit_conditional_branch):
21960         Get code/op0/op1 from operands, use machine mode argument
21961         instead of alpha_compare.fp_p.  Emit the branch here.
21962         (alpha_emit_setcc): Likewise, and return boolean.
21963         (alpha_emit_conditional_move): Likewise.  Assert that
21964         cmp_op_mode == cmp_mode, and simplify accordingly.
21965         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
21966         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
21967         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
21968         Delete.
21969         (stack probe test): Use cbranchdi4.
21970         * config/alpha/predicates.md (alpha_cbranch_operator): New.
21971
21972         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
21973         * config/arc/arc.h (movsicc, movsfcc): Use it.
21974         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
21975         (cbranchsi4, cstoresi4): New.
21976         (cmpsi, bCC and sCC expanders): Remove.
21977
21978         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
21979         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
21980         * config/arm/predicates.md (arm_comparison_operator): Only include
21981         floating-point operators if there is a hardware floating-point unit.
21982         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
21983         deferring to cbranch_cc and cstore_cc respectively.
21984         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
21985         cbranch_cc, cstore_cc): New.
21986         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
21987         arm_compare_op1.
21988         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
21989
21990         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
21991         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
21992         as an argument.
21993         (adjust_insn_length): Adjust calls.
21994         (avr_reorg): Handle (compare (foo) (const_int 0)).
21995         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
21996         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
21997         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
21998         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
21999         (bCC): Remove.
22000         (cbranchqi4, cbranchhi4, cbranchsi4): New.
22001         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
22002
22003         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
22004         (cbranchsi4, cstorebi4, cstoresi4): New.
22005         (movbisi): This insn is duplicate, split it to zero_extend.
22006         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
22007         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
22008         (bfin_optimize_loop): Use cbranch expander.
22009         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
22010         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
22011         (bfin_bimode_comparison_operator): ... this.
22012         (bfin_direct_comparison_operator): New.
22013
22014         * config/cris/cris.c (cris_normal_notice_update_cc): Look
22015         inside (compare FOO (const_int 0)).
22016         (cris_rtx_costs): Handle ZERO_EXTRACT.
22017         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
22018         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
22019         (*tstdi_v32): Delete.
22020         (*cmpdi_non_v32): Add M alternative for operand 1.
22021         (cmpsi, cmp<mode>): Make private.
22022         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
22023         with COMPARE.
22024         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
22025
22026         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
22027         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
22028         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
22029         (cc_reg_operand): New.
22030         (any_cond): Delete.
22031         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
22032         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
22033         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
22034         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
22035         crx_expand_scond): Delete.
22036
22037         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
22038         (cbranchsi4): New.
22039         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
22040         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
22041
22042         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
22043         cstoresi4, cstoresf4, cstoredf4): New.
22044         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
22045         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
22046         Receive the entire operands array.
22047         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
22048         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
22049         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
22050         Get test/op0/op1 from the operands array.
22051         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
22052
22053         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
22054         (h8300_expand_store): New.
22055         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
22056         (const_int 0)).
22057         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
22058         (h8300_expand_store): New.
22059         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
22060         or do not try to produce (set (cc0) REG).
22061         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
22062         change a compare into a move to a scratch register.  Disable some
22063         peepholes when comparing with zero.
22064         (tstsi, tsthi, tstsi, cmpqi): Make private.
22065         (cmphi): Delete.
22066         (bCC, sCC): Delete.
22067         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
22068         cstoresi4): New.
22069
22070         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
22071         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
22072         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
22073         (ix86_emit_i387_log1p): Use cbranchxf2.
22074         (ix86_expand_setcc): Return void.
22075         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
22076         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
22077         cmp<MODEF>, cmpcc): Remove.
22078         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
22079         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
22080         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
22081         (sCC and bCC expanders): Remove.
22082         (stack_protect_test): Use cbranchcc4.
22083
22084         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
22085         Delete.
22086         (ia64_expand_compare): Accept three rtx by reference and return void.
22087         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
22088         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
22089         from *expr.  Update *expr with the BImode comparison to do.
22090         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
22091         cmptf, bCC, sCC, conditional_trap): Delete.
22092         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
22093         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
22094         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
22095         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
22096         * config/ia64/predicates.md (ia64_cbranch_operator): New.
22097
22098         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
22099         type of last argument.
22100         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
22101         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
22102         use machine mode argument instead of branch_type.  Remove dead
22103         code for floating-point comparisons.
22104         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
22105         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
22106         Remove.
22107         (cbranchsi4, cstoresi4): New.
22108         * config/iq2000/predicates.md (reg_or_const_operand): New.
22109
22110         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
22111         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
22112         (b<code>_op): Rewrite to...
22113         (bcc_op): ... this, using match_operator.
22114         (s<code>_op): Rewrite to...
22115         (scc_op): ... this, using match_operator.
22116         (s<code>_24_op): Rewrite to...
22117         (scc_op_24): ... this, using match_operator.
22118         (s<code>_<mode>): Rewrite to...
22119         (cstore<mode>4): ... this, using match_operator.
22120         (s<code>_<mode>_24): Rewrite to...
22121         (cstore<mode>4_24): ... this, using match_operator.
22122         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
22123         m32c_unpend_compare, m32c_expand_scc): Delete.
22124         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
22125         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
22126         (m32c_expand_movcc): Change NE to EQ if necessary.
22127         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
22128
22129         * config/m32r/m32r-protos.h (gen_cond_store): New.
22130         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
22131         (gen_cond_store): New, from sCC patterns.
22132         (m32r_expand_block_move): Use cbranchsi4.
22133         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
22134         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
22135         (cbranchsi4, cstoresi4): New.
22136
22137         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
22138         Delete.
22139         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
22140         (m68hc11_notice_update_cc): Look into a compare with 0.
22141         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
22142         Delete.
22143         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
22144         cmphi, cmpqi, bCC): Delete.
22145         (cbranchsi4, cbranchhi4, cbranchqi4): New.
22146         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
22147         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
22148         sets with COMPARE.
22149
22150         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
22151         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
22152         * config/m68k/constraints.md (H): New.
22153         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
22154         the define_insn below.
22155         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
22156         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
22157         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
22158         patterns): Wrap RHS with COMPARE.
22159         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
22160         (*cmpdi_internal): Name this pattern.
22161         (cmpdi): Change to define_insn.
22162         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
22163         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
22164         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
22165         predicate.
22166         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
22167         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
22168         (conditional_trap): Change to...
22169         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
22170         (*conditional_trap): Use the ordered_comparison_operator and
22171         const1_operand predicates.
22172         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
22173         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
22174         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
22175         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
22176
22177         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
22178         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
22179         (mcore_gen_compare): New.
22180         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
22181         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
22182         (mcore_gen_compare): ... this.
22183         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
22184         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
22185         (stack probe pattern): Use cbranchsi4.
22186
22187         * config/mips/predicates.md (mips_cstore_operator): New.
22188         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
22189         * config/mips/mips.md (any_cond): Delete.
22190         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
22191         always succeed.
22192         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
22193         fixuns_truncsfdi2): Use cbranch patterns.
22194         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
22195         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
22196         Adjust call to mips_expand_conditional_branch.
22197         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
22198         cstore<GPR:mode>4.
22199         * config/mips/mips-protos.h (mips_expand_conditional_branch,
22200         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
22201         * config/mips/mips.c (cmp_operands): Delete.
22202         (mips_emit_compare): Get comparison operands from *op0/*op1.
22203         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
22204         that it succeeds.  Use op0/op1 instead of cmp_operands.
22205         (mips_expand_conditional_branch, mips_expand_conditional_move,
22206         mips_expand_conditional_trap): Likewise.
22207         (mips_block_move_loop): Use cbranch patterns.
22208         * config/mips/mips.h (cmp_operands): Delete.
22209
22210         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
22211         (mmix_gen_compare_reg): Just return a register in the right CC mode.
22212         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
22213         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
22214         (*cmpcc_folded): Rename to...
22215         (*cmpdi_folded): this.
22216         (*cmpcc): Rename to...
22217         (*cmps): ... this.
22218         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
22219         (bCC): Remove.
22220         (cbranchdi4): New.
22221         (cbranchdf4): New.  Handle invalid comparisons here.
22222         * config/mmix/predicates.md (float_comparison_operator): New.
22223
22224         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
22225         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
22226         * config/mn10300/mn10300.md (tst): Delete.
22227         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
22228         Name these patterns and wrap RHS in a compare.
22229         (*cmpsi): Make this pattern private.  Include tst.
22230         (*cmpsf): Make this pattern private.
22231         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
22232         (compare with zero peepholes): Likewise.
22233         (bCC): Remove.
22234         (cbranchsi4, cbranchsf4): New.
22235         (casesi): Use cbranchsi4.
22236
22237         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
22238         hppa_branch_type): Delete.
22239         (return_addr_rtx): Use cbranchsi4.
22240         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
22241         Emit CCFPmode comparison here.
22242         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
22243         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
22244         hppa_branch_type): Delete.
22245         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
22246         (movsicc, movdicc): Remove references to hppa_compare_op0,
22247         hppa_compare_op1 and compare_from_rtx.
22248         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
22249         (casesi): Use cbranchsi4.
22250
22251         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
22252         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
22253         * config/pdp11/pdp11.md (register_or_const0_operand): New.
22254         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
22255         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
22256         (bCC): Delete.
22257         (cbranchdf4, cbranchhi4, cbranchqi4): New.
22258         (*branch, *branch_inverted): New.
22259
22260         * config/picochip/picochip.md (cbranchhi4): Use
22261         ordered_comparison_operator.
22262         (cmphi, bCC): Remove.
22263
22264         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
22265         (trap_comparison_operator): Delete.
22266         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
22267         rs6000_emit_cbranch): Accept mode and operands.
22268         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
22269         rs6000_compare_fp_p): Delete.
22270         (rs6000_generate_compare): Accept mode and comparison.  Extract code
22271         and op0/op1 from there.  Replace references to rs6000_compare_op0
22272         and rs6000_compare_op1.
22273         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
22274         extract result from passed operands.
22275         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
22276         extract loc from passed operands.
22277         (rs6000_emit_cmove): Likewise.
22278         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
22279         rs6000_compare_fp_p): Delete.
22280         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
22281         (cbranch<GPR>4, cbranch<FP>4): New.
22282         (cstore<mode>4): New.  Consolidate here all choices about when to use
22283         portable or specialized sCC sequences.
22284         (stack_protect_test): Use cbranchsi4.
22285         (conditional_trap): Replace with ctrap<GPR>4.
22286         (conditional trap insn): Replace trap_comparison_operator with
22287         ordered_comparison_operator.
22288
22289         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
22290         (s390_emit_prologue): Use ctrap.
22291         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
22292         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
22293         New predicates replacing...
22294         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
22295         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
22296         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
22297         (add<mode>cc): Do not use s390_compare_op0/op1.
22298         (s<code>): Change to...
22299         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
22300         (seq): Change to...
22301         (cstorecc4): ... this.  Handle EQ or NE equally.
22302         (*sne): Un-privatize for use in cstorecc4.
22303         (b<code>): Change to...
22304         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
22305         (conditional_trap): Replace with...
22306         (ctrap<GPR>4, ctrap<FP>4): ... these.
22307         (stack_protect): Use cbranchcc4.
22308
22309         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
22310         * config/score/score-protos.h (score_gen_cmp): Delete.
22311         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
22312         (score_block_move-loop): Use cbranchsi4.
22313         * config/score/score.md (cbranchsi4): New.
22314         (cmpsi, bCC): Delete.
22315         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
22316         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
22317         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
22318         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
22319         * config/score/score3.h (score3_gen_cmp): Delete.
22320         * config/score/score7.h (score7_gen_cmp): Delete.
22321
22322         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
22323         (sh_emit_scc_to_t): ... this.  Return void.
22324         (from_compare): Rename to...
22325         (sh_emit_compare_and_branch): ... this.
22326         (sh_emit_compare_and_set): New.
22327         (sh_expand_t_scc): Accept operands.
22328         * config/sh/predicates.md (sh_float_comparison_operator): New.
22329         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
22330         (prepare_scc_operands): Rename to...
22331         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
22332         arguments.
22333         (sh_emit_cheap_store_flag): New.
22334         (sh_emit_set_t_insn): New.
22335         (from_compare): Rename to...
22336         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
22337         handling of TARGET_SH2E floating point to avoid recursive call.
22338         Generate branch here.
22339         (sh_emit_compare_and_set): New.
22340         (sh_expand_t_scc): Get op0/op1 from arguments.
22341         (sh_emit_cheap_store_flag): New.
22342         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
22343         cases.
22344         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
22345         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
22346         (movsicc, movdicc): Do nothing when it recreated operands from
22347         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
22348         prepare_scc_operands (now sh_emit_scc_to_t).
22349         (udivdi3): Use cstoresi4.
22350         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
22351         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
22352         (cbranchint4_media, cbranchfp4_media): New.
22353         (casesi): Use cbranchdi4.
22354         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
22355         Delete.
22356         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
22357         (movnegt): Remove second operand.
22358         (cbranchsf4, cbranchdf4): New.
22359         (stack_protect): Use cbranchdi4/cbranchsi4.
22360
22361         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
22362         (gen_compare_reg): Accept comparison, extract part of it to...
22363         (gen_compare_reg_1): ... this.
22364         (gen_compare_operator): Delete.
22365         (gen_v9_scc): Accept separate destination, comparison code and arms.
22366         Do not use sparc_compare_op0/sparc_compare_op1.
22367         (emit_scc_insn, emit_conditional_branch_insn): New.
22368         (emit_v9_brxx): Make static.  Remove useless assertion.
22369         (sparc_emit_float_lib_cmp): Return RTL instead of calling
22370         emit_cmp_insn.
22371         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
22372         * config/sparc/sparc-protos.h (gen_compare_reg,
22373         sparc_emit_float_lib_cmp): Adjust prototype.
22374         (emit_scc_insn, emit_conditional_branch_insn): New.
22375         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
22376         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
22377         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
22378         iterators to the top.
22379         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
22380         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
22381         snedi_special_trunc): Delete.
22382         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
22383         and snedi_special_trunc.
22384         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
22385         cbranchdi4, cbranch<F:mode>4): New.
22386         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
22387         here.  Use gen_compare_reg instead of gen_compare_operator.
22388         (conditional_trap): Replace with...
22389         (ctrapsi4, ctrapdi4): ... this.
22390         (stack_protect_test): Use cbranchcc4.
22391
22392         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
22393         argument to rtx.
22394         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
22395         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
22396         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
22397         from operands[0] or operands[3] depending on is_set.
22398         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
22399         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
22400         cmpdf, bCC), sCC: Remove.
22401         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
22402         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
22403         cstoredf4): New.
22404         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
22405         spu_emit_branch_or_set.
22406
22407         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
22408         Add two arguments.
22409         * config/stormy16/stormy16.h (xstormy16_compare_op0,
22410         xstormy16_compare_op1): Delete.
22411         * config/stormy16/stormy16.c (xstormy16_compare_op0,
22412         xstormy16_compare_op1): Delete.
22413         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
22414         Adjust calls.
22415         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
22416         (cmphi, cmpsi, bCC): Remove.
22417
22418         * config/v850/v850.md (tstsi, cmpsi): Fold into...
22419         (*cmpsi): ... this one.
22420         (cbranchsi4, cstoresi4): New.
22421         (bCC expanders): Delete.
22422         (sCC insns): Fold into...
22423         (*setcc): ... this one.
22424         (casesi): Do not use gen_cmpsi and gen_bgtu.
22425         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
22426         (movsicc): Simplify.
22427         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
22428
22429         * config/vax/vax-protos.h (cond_name): New.
22430         (vax_output_conditional_branch): Remove.
22431         * config/vax/vax.c (cond_name): New.
22432         (vax_output_conditional_branch): Remove.
22433         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
22434         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
22435         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
22436         (bit<VAXint>): Wrap source with (compare).
22437         (b<code> and following unnamed pattern): Rename to *branch and
22438         *branch_reversed.  Change macroization to match_operator.
22439         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
22440
22441         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
22442         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
22443         Change last argument to machine_mode.
22444         (xtensa_expand_scc): Add machine_mode argument.
22445         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
22446         (gen_conditional_move, xtensa_expand_conditional_branch,
22447         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
22448         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
22449         Adjust operand numbers.
22450         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
22451         Delete.
22452         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
22453         (cmpsi, cmpsf, b<code>, s<code>): Delete.
22454         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
22455
22456 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
22457
22458         * optabs.c (prepare_cmp_insn): Temporarily disable test that
22459         causes spurious differences between trunk and cond-optab branch.
22460
22461 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
22462
22463         PR target/37137
22464         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
22465
22466 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
22467
22468         * tree.c (iterative_hash_pointer): Delete.
22469         (iterative_hash_expr): Short-circuit handling of NULL pointer.
22470         Hash UIDs and versions of SSA names.  Don't special-case built-in
22471         function declarations.
22472
22473 2009-05-11  Ian Lance Taylor  <iant@google.com>
22474
22475         PR bootstrap/40103
22476         * graphite.c: Force -Wc++-compat to only be a warning before
22477         #including "cloog/cloog.h".
22478
22479 2009-05-11  Martin Jambor  <mjambor@suse.cz>
22480
22481         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
22482
22483 2009-05-11  Jan Hubicka  <jh@suse.cz>
22484
22485         * tree-ssa-loop-ivcanon.c: Include target.h
22486         (struct loop_size): new structure.
22487         (constant_after_peeling): New predicate.
22488         (tree_estimate_loop_size): New function.
22489         (estimated_unrolled_size): Rewrite for new estimates.
22490         (try_unroll_loop_completely): Use new estimates.
22491         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
22492
22493 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22494
22495         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
22496         libcpp interface change.
22497         (spu_macro_to_expand): Likewise.
22498
22499 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
22500
22501         PR tree-optimization/40026
22502         * gimplify.c (gimplify_init_constructor): Change initial conditional
22503         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
22504         optimize_compound_literals_in_ctor.
22505
22506 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
22507
22508         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
22509         New devices.
22510         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
22511
22512 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
22513
22514         * tree-vect-data-refs.c (vect_analyze_group_access): Use
22515         HOST_WIDE_INT for gap.
22516
22517 2009-05-11  Ira Rosen  <irar@il.ibm.com>
22518
22519         PR tree-optimization/40074
22520         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
22521         account in group size and step comparison.
22522
22523 2009-05-11  Richard Guenther  <rguenther@suse.de>
22524
22525         * passes.c (init_optimization_passes): Strip now incorrect comment.
22526         (execute_function_todo): Do not set PROP_alias.
22527         * tree-pass.h (PROP_alias): Remove.
22528         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
22529         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
22530         * tree-nrv.c (pass_return_slot): Likewise.
22531         * tree-object-size.c (pass_object_sizes): Likewise.
22532         * tree-ssa-dom.c (pass_dominator): Likewise.
22533         (pass_phi_only_cprop): Likewise.
22534         * tree-ssa-dse.c (pass_dse): Likewise.
22535         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
22536         (pass_cselim): Likewise.
22537         * tree-ssa-pre.c (pass_pre): Likewise.
22538         (pass_fre): Likewise.
22539         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
22540         * tree-ssa-sink.c (pass_sink_code): Likewise.
22541         * tree-stdarg.c (pass_stdarg): Likewise.
22542         * tree-tailcall.c (pass_tail_calls): Likewise.
22543         * tree-vrp.c (pass_vrp): Likewise.
22544
22545 2009-05-10  Ian Lance Taylor  <iant@google.com>
22546
22547         * basic-block.h (enum profile_status): Break out of struct
22548         control_flow_graph.
22549         * cgraph.h (struct inline_summary): Break out of struct
22550         cgraph_local_info.
22551         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
22552         of struct cgraph_order_sort.
22553         * combine.c (enum undo_kind): New enum, broken out of struct undo.
22554         * cse.c (struct branch_path): Break out of struct
22555         cse_basic_block_data.
22556         * except.h (enum eh_region_type): Break out of struct eh_region.
22557         * gcc.c (enum add_del): Break out of struct modify_target.
22558         * genrecog.c (enum decision_type): Break out of struct decision_test.
22559         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
22560         ggc_pch_data.
22561         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
22562         * regmove.c (enum match_use): New enum, broken out of struct match.
22563         * sched-int.h (enum post_call_group): New enum, broken out of
22564         struct deps.
22565         (struct deps_reg): Break out of struct deps.
22566         * target.h (struct asm_int_op): Break out of struct gcc_target.
22567         * tree-eh.c (struct goto_queue_node): Break out of struct
22568         leh_tf_state.
22569         * tree-inline.h (enum copy_body_cge_which): Break out of
22570         copy_body_data.
22571         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
22572
22573         * c-decl.c (in_struct, struct_types): New static variables.
22574         (pushtag): Add loc parameter.  Change all callers.
22575         (lookup_tag): Add ploc parameter.  Change all callers.
22576         (check_compound_literal_type): New function.
22577         (parser_xref_tag): Add loc parameter.  Change all callers.  If
22578         -Wc++-compat, warn about struct/union/enum types defined within a
22579         struct or union.
22580         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
22581         and loc parameters.  Change all callers.  Change error calls to
22582         error_at, using loc.  For a redefinition, if the location of the
22583         original definition is known, report it.  Set in_struct and
22584         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
22585         (finish_struct): Add new parameters enclosing_in_struct and
22586         enclosing_struct_types.  Change all callers.  Set
22587         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
22588         in the struct.  If in a struct, add this struct to struct_types.
22589         (start_enum): Add loc parameter.  Change all callers.  Use
22590         error_at for errors, using loc.  For a redefinition, if the
22591         location of the original definition is known, report it.  If in a
22592         struct, add this enum type to struct_types.  If -Wc++-compat warn
22593         if in sizeof, typeof, or alignof.
22594         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
22595         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
22596         (c_parser_enum_specifier): Get enum location for start_enum.
22597         (c_parser_struct_or_union_specifier): Get struct location for
22598         start_struct.  Save in_struct and struct_types status between
22599         start_struct and finish_struct.
22600         (c_parser_cast_expression): Get location of cast.
22601         (c_parser_alignof_expression): Get location of type.
22602         (c_parser_postfix_expression): Likewise.
22603         (c_parser_postfix_expression_after_paren_type): Add type_loc
22604         parameter.  Change all callers.  Call check_compound_literal_type.
22605         Use type_loc for error about variable size type.
22606         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
22607         of an enum constant from an enum type defined in a struct or union.
22608         (c_cast_expr): Add loc parameter.  Change all callers.  If
22609         -Wc++-compat, warn about defining a type in a cast.
22610         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
22611         (start_enum, start_struct, finish_struct): Update declarations.
22612         (parser_xref_tag, c_cast_expr): Update declarations.
22613         (check_compound_literal_type): Declare.
22614
22615 2009-05-11  Ben Elliston  <bje@au.ibm.com>
22616
22617         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
22618         for recent libcpp interface change.
22619         (rs6000_macro_to_expand): Likewise.
22620
22621 2009-05-10  Michael Matz  <matz@suse.de>
22622
22623         PR target/40031
22624         * config/arm/arm.c (require_pic_register): Emit on entry edge,
22625         not at entry of function.
22626
22627 2009-05-10  Richard Guenther  <rguenther@suse.de>
22628
22629         PR tree-optimization/40081
22630         Revert
22631         * tree-sra.c (instantiate_element): Instantiate scalar replacements
22632         using the main variant of the element type.  Do not fiddle with
22633         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
22634
22635         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
22636         structs with volatile fields.
22637
22638 2009-05-10  Jan Hubicka  <jh@suse.cz>
22639
22640         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
22641         (estimate_move_cost): Assert that it does not get called for
22642         VOID_TYPE_P.
22643         (estimate_num_insns): Skip VOID types in argument handling.
22644         (optimize_inline_calls): Delete unreachable blocks and verify that
22645         callgraph is valid.
22646
22647 2009-05-10  Jan Hubicka  <jh@suse.cz>
22648
22649         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
22650         * cgraph.c (cgraph_mark_address_taken_node): New function.
22651         (dump_cgraph_node): Dump new flag.
22652         * cgraph.h (struct cgraph_node): Add address_taken.
22653         (cgraph_mark_address_taken_node): New function.
22654         * ipa.c (cgraph_postorder): Prioritize functions with address taken
22655         since new direct calls can be born.
22656
22657 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
22658
22659         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
22660         tok->val.node.node.
22661
22662 2009-05-10  Jan Hubicka  <jh@suse.cz>
22663
22664         PR middle-end/40084
22665         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
22666         argument; rewrite.
22667         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
22668         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
22669         * tree-inline.c (copy_bb): Set frequency correctly.
22670         (fold_marked_statements): Update call to
22671         cgraph_update_edges_for_call_stmt.
22672
22673 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
22674
22675         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
22676         identifiers in diagnostics.
22677         * config/arm/arm.c (arm_handle_fndecl_attribute,
22678         arm_handle_isr_attribute): Likewise.
22679         * config/avr/avr.c (avr_handle_progmem_attribute,
22680         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
22681         * config/bfin/bfin.c (handle_int_attribute,
22682         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
22683         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
22684         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
22685         Likewise.
22686         * config/darwin.c (darwin_handle_kext_attribute,
22687         darwin_handle_weak_import_attribute): Likewise.
22688         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
22689         h8300_handle_eightbit_data_attribute,
22690         h8300_handle_tiny_data_attribute): Likewise.
22691         * config/i386/i386.c (ix86_handle_cconv_attribute,
22692         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
22693         * config/i386/winnt.c (ix86_handle_shared_attribute,
22694         ix86_handle_selectany_attribute): Likewise.
22695         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
22696         * config/m32c/m32c.c (function_vector_handler): Likewise.
22697         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
22698         m68hc11_handle_fntype_attribute): Likewise.
22699         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
22700         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
22701         * config/mips/mips.c (mips_insert_attributes,
22702         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
22703         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
22704         rs6000_handle_struct_attribute): Likewise.
22705         * config/sh/sh.c (sh_insert_attributes,
22706         sh_handle_resbank_handler_attribute,
22707         sh_handle_interrupt_handler_attribute,
22708         sh2a_handle_function_vector_handler_attribute,
22709         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
22710         Likewise.
22711         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
22712         * config/spu/spu.c (spu_handle_fndecl_attribute,
22713         spu_handle_vector_attribute): Likewise.
22714         * config/stormy16/stormy16.c
22715         (xstormy16_handle_interrupt_attribute): Likewise.
22716         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
22717         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
22718
22719 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
22720
22721         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
22722         (pp_translate_identifiers): New.
22723         (pp_identifier): Only conditionally translate identifier to locale
22724         character set.
22725         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
22726         (pp_base_tree_identifier): Only conditionally translate identifier
22727         to locale character set.
22728         * c-pretty-print.c (M_): Define.
22729         (pp_c_type_specifier, pp_c_primary_expression): Mark English
22730         fragments for conditional translation with M_.
22731         * tree-pretty-print.c (maybe_init_pretty_print): Disable
22732         identifier translation.
22733
22734 2009-05-10  Richard Guenther  <rguenther@suse.de>
22735
22736         PR tree-optimization/40081
22737         * tree-sra.c (instantiate_element): Instantiate scalar replacements
22738         using the main variant of the element type.  Do not fiddle with
22739         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
22740
22741 2009-05-09  Jan Hubicka  <jh@suse.cz>
22742
22743         PR middle-end/40080
22744         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
22745         indirect calls; verify cgraph afterwards.
22746
22747 2009-05-09  Jan Hubicka  <jh@suse.cz>
22748
22749         PR bootstrap/40082
22750         * ipa.c (update_inlined_to_pointer): New function.
22751         (cgraph_remove_unreachable_nodes): Use it.
22752
22753 2009-05-09  Jan Hubicka  <jh@suse.cz>
22754
22755         * tree-eh.c (struct leh_state): Remove prev_try.
22756         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
22757         not track prev_try.
22758         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
22759         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
22760         remove_eh_handler_and_replace, foreach_reachable_handler,
22761         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
22762         * except.h (struct eh_region): Remove eh_region_u_cleanup.
22763         (gen_eh_region_cleanup): Update prototype.
22764
22765 2009-05-09  Jan Hubicka  <jh@suse.cz>
22766
22767         PR middle-end/40043
22768         * except.c (copy_eh_region): Always set prev_try.
22769         (redirect_eh_edge_to_label): Find outer try.
22770         (foreach_reachable_handler): When looking for prev try
22771         handle case where previous try is not going to be taken.
22772
22773 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
22774
22775         PR tree-optimization/40049
22776         * tree-vect-stmts.c (vectorizable_operation): If the machine has
22777         only vector/vector shifts, convert the type of the constant to the
22778         appropriate type to avoid building incorrect trees, which
22779         eventually have problems with garbage collection.
22780
22781 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
22782
22783         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
22784         -1 for complex floating-point types if honoring signed zeros.
22785
22786 2009-05-08  Jan Hubicka  <jh@suse.cz>
22787
22788         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
22789         argument; handle correctly when profile is absent.
22790         (build_cgraph_edges): Update.
22791         (rebuild_cgraph_edges): Update.
22792         * cgraph.c: Do not include varray.h.
22793         (cgraph_set_call_stmt_including_clones): New function.
22794         (cgraph_create_edge_including_clones): Likewise
22795         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
22796         (cgraph_update_edges_for_call_stmt): Handle clones.
22797         (cgraph_remove_node): Handle clone tree.
22798         (cgraph_remove_node_and_inline_clones): New function.
22799         (dump_cgraph_node): Dump clone tree.
22800         (cgraph_clone_node): Handle clone tree.
22801         (clone_function_name): Bring here from tree-inline.c.
22802         (cgraph_create_virtual_clone): New function.
22803         * cgraph.h (ipa_replace_map): Move here from ipa.h.
22804         (cgraph_clone_info): New function.
22805         (strut cgraph_node): Add clone_info and new clone tree pointers.
22806         (cgraph_remove_node_and_inline_clones,
22807         cgraph_set_call_stmt_including_clones,
22808         cgraph_create_edge_including_clones,
22809         cgraph_create_virtual_clone): Declare.
22810         (cgraph_function_versioning): Use VEC argument.
22811         (compute_call_stmt_bb_frequency): Update prototype.
22812         (cgraph_materialize_all_clones): New function.
22813         * ipa-cp.c (ipcp_update_cloned_node): Remove.
22814         (ipcp_create_replace_map): Update to VECtors.
22815         (ipcp_update_callgraph): Use virtual clones.
22816         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
22817         (ipcp_update_profiling): Do not update local profiling.
22818         (ipcp_insert_stage): Use VECtors and virtual clones.
22819         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
22820         (clone_of_p): New function.
22821         (cgraph_preserve_function_body_p): Use clone tree.
22822         (cgraph_optimize): Materialize clones.
22823         (cgraph_function_versioning): Update for VECtors.
22824         (save_inline_function_body): Use clone tree.
22825         (cgraph_materialize_clone): New function.
22826         (cgraph_materialize_all_clones): Likewise.
22827         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
22828         * ipa.c: Include gimple.h.
22829         (cgraph_remove_unreachable_nodes): Use clone tree.
22830         * ipa-prop.c (ipa_note_param_call): Update call to
22831         compute_call_stmt_bb_frequencycall.
22832         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
22833         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
22834         (copy_bb): Handle updating of clone tree; add new edge when new call
22835         appears.
22836         (expand_call_inline): Be strict about every call having edge.
22837         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
22838         (delete_unreachable_blocks_update_callgraph): New function.
22839         (tree_function_versioning): Use VECtors; always remove unreachable
22840         blocks and fold conditionals.
22841         * tree-inline.h: Do not include varray.h.
22842         (tree_function_versioning): Remove.
22843         * Makefile.in (GTFILES): Remove tree-inline.c
22844         * passes.c (do_per_function): Do only functions having body.
22845         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
22846         tree.
22847
22848 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
22849             Andrew Morrow  <acm@google.com>
22850
22851         PR c/36892
22852         * c-common.c (c_common_attribute_table): Permit deprecated
22853         attribute to take an optional argument.
22854         (handle_deprecated_attribute): If the optional argument to
22855         __attribute__((deprecated)) is not a string ignore the attribute
22856         and emit a warning.
22857
22858         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
22859         * c-typeck.c (build_component_ref): Likewise.
22860         (build_external_ref): Likewise.
22861
22862         * toplev.c (warn_deprecated_use): Add an attribute argument.
22863         Emit the message associated with __attribute__((deprecated)).
22864
22865         * toplev.h (warn_deprecated_use): Updated.
22866
22867         * doc/extend.texi: Document new optional parameter to
22868         __attribute__((deprecated))
22869
22870 2009-05-08  Michael Eager <eager@eagercon.com>
22871
22872         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
22873         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
22874
22875 2009-05-08  Richard Guenther  <rguenther@suse.de>
22876
22877         PR tree-optimization/40062
22878         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
22879         Avoid exponential behavior.
22880
22881 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
22882
22883         PR rtl-optimization/33928
22884         PR 26854
22885         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
22886         process_uses, build_single_def_use_links): New.
22887         (update_df): Update use_def_ref.
22888         (forward_propagate_into): Use get_def_for_use instead of use-def
22889         chains.
22890         (fwprop_init): Call build_single_def_use_links and let it initialize
22891         dataflow.
22892         (fwprop_done): Free use_def_ref.
22893         (fwprop_addr): Eliminate duplicate call to df_set_flags.
22894         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
22895         df_rd_simulate_one_insn): New.
22896         (df_rd_bb_local_compute_process_def): Update head comment.
22897         (df_chain_create_bb): Use the new RD simulation functions.
22898         * df.h (df_rd_simulate_artificial_defs_at_top,
22899         df_rd_simulate_one_insn): New.
22900         * opts.c (decode_options): Enable fwprop at -O1.
22901         * doc/invoke.texi (-fforward-propagate): Document this.
22902
22903 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
22904
22905         PR c/24581
22906         * c-typeck.c (build_binary_op): Handle arithmetic between one real
22907         and one complex operand specially.
22908         * tree-complex.c (some_nonzerop): Do not identify a real value as
22909         zero if flag_signed_zeros.
22910
22911 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
22912
22913         PR rtl-optimization/33928
22914         * loop-invariant.c (record_use): Fix && vs. || mishap.
22915
22916 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
22917
22918         PR rtl-optimization/33928
22919         * loop-invariant.c (struct use): Add addr_use_p.
22920         (struct def): Add n_addr_uses.
22921         (struct invariant): Add cheap_address.
22922         (create_new_invariant): Set cheap_address.
22923         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
22924         (record_uses): Pass df_ref to record_use.
22925         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
22926         used only as such.
22927
22928 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
22929
22930         * config/sh/sh.c: Do not include c-pragma.h.
22931
22932 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22933
22934         * config/spu/spu.c: Remove include of c-common.h.
22935
22936 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
22937
22938         PR c/39037
22939         * c-common.h (mark_valid_location_for_stdc_pragma,
22940         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
22941         clear_float_const_decimal64, float_const_decimal64_p): New.
22942         * c.opt (Wunsuffixed-float-constants): New.
22943         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
22944         unsuffixed float constant, handle new warning.
22945         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
22946         * c-decl.c (c_scope): New flag float_const_decimal64.
22947         (set_float_const_decimal64, clear_float_const_decimal64,
22948         float_const_decimal64_p): New.
22949         (push_scope): Set new flag.
22950         * c-parser.c (c_parser_translation_unit): Mark when it's valid
22951         to use STDC pragmas.
22952         (c_parser_external_declaration): Ditto.
22953         (c_parser_compound_statement_nostart): Ditto.
22954         * c-pragma.c (valid_location_for_stdc_pragma,
22955         mark_valid_location_for_stdc_pragma,
22956         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
22957         handle_pragma_float_const_decimal64): New.
22958         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
22959         * cp/semantics.c (valid_location_for_stdc_pragma_p,
22960         set_float_const_decimal64, clear_float_const_decimal64,
22961         float_const_decimal64_p): New dummy functions.
22962         * doc/extend.texi (Decimal Float): Remove statement that the
22963         pragma, and suffix for double constants, are not supported.
22964         * doc/invoke.texi (Warning Options): List new option.
22965         (-Wunsuffixed-float-constants): New.
22966
22967 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
22968
22969         * config/i386/i386.c: Do not include c-common.h.
22970
22971 2009-05-07  Mark Heffernan  <meheff@google.com>
22972
22973         * doc/invoke.texi (Debugging Options): Document change of debugging
22974         dump location.
22975         * opts.c (decode_options): Make dump_base_name relative to
22976         aux_base_name directory.
22977
22978 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
22979
22980         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
22981         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
22982
22983 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
22984
22985         * Makefile.in (install-plugin): Simplify a bit.
22986
22987 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
22988
22989         * Makefile.in (OBJS-common): Add regcprop.o.
22990         (regcprop.o): New.
22991         * timevar.def (TV_CPROP_REGISTERS): New.
22992         * regrename.c (regrename_optimize): Return 0.
22993         (rest_of_handle_regrename): Delete.
22994         (pass_rename_registers): Point to regrename_optimize.
22995         (struct value_data_entry, struct value_data,
22996         kill_value_one_regno, kill_value_regno, kill_value,
22997         set_value_regno, init_value_data, kill_clobbered_value,
22998         kill_set_value, kill_autoinc_value, copy_value,
22999         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
23000         replace_oldest_value_reg, replace_oldest_value_addr,
23001         replace_oldest_value_mem, copyprop_hardreg_forward_1,
23002         debug_value_data, validate_value_data): Move...
23003         * regcprop.c: ... here.
23004         (rest_of_handle_cprop): Delete.
23005         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
23006
23007 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
23008
23009         PR middle-end/40057
23010         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
23011         GEN_INT for 1 << bitnum.
23012         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
23013         build_int_cst_type.
23014
23015 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
23016
23017         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
23018         Remove wrong description of "nand" operation.
23019
23020 2009-05-06  Richard Guenther  <rguenther@suse.de>
23021             Adam Nemet  <anemet@caviumnetworks.com>
23022
23023         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
23024         comment.  Add that if LHS is not a gimple register, then RHS1 has
23025         to be a single object (GIMPLE_SINGLE_RHS).
23026
23027 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
23028
23029         * expr.c (get_def_for_expr): Move it up in the file.
23030         (store_field): When expanding a bit-field store, look at the
23031         defining gimple stmt for the masking conversion.
23032
23033 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
23034
23035         PR middle-end/39986
23036         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
23037         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
23038         32-bit memcpy into long.
23039
23040 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
23041
23042         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
23043         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
23044         new_reg_loc_descr.
23045         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
23046         instead of appending DW_OP_deref*.
23047
23048 2009-05-06  Michael Matz  <matz@suse.de>
23049
23050         PR middle-end/40021
23051         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
23052         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
23053
23054 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
23055
23056         * Makefile.in (install-plugin): Fix srcdir handling.
23057
23058 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
23059
23060         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
23061         when processing for not_regs_needed bitmap.
23062         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
23063         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
23064         handling it for rhs.
23065
23066 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
23067
23068         * config/i386/i386.md (unnamed inc/dec peephole): Use
23069         optimize_insn_for_size_p instead of optimize_size.
23070         * config/i386/predicates.md (incdec_operand): Likewise.
23071         (aligned_operand): Likewise.
23072         * config/i386/sse.md (divv8sf3): Likewise.
23073         (sqrtv8sf2): Likewise.
23074
23075 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
23076
23077         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
23078
23079         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
23080
23081 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
23082
23083         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
23084         ssemodesuffixf2c with avxmodesuffixf2c.
23085
23086 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
23087
23088         PR c/40032
23089         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
23090
23091 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
23092
23093         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
23094         (struct tree_base): Adjust spacing for 8 bit boundaries.
23095         (struct tree_decl_common): Add decl_by_reference_flag bit.
23096         (DECL_BY_REFERENCE): Adjust.
23097         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
23098         print DECL_BY_REFERENCE bit.
23099         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
23100         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
23101         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
23102         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
23103         unconditionally.
23104
23105         PR middle-end/39666
23106         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
23107         range of the type, but default label is missing, add it with one
23108         of the existing labels instead of adding a new label for it.
23109
23110 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
23111
23112         * dwarf.h: Remove.
23113
23114 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
23115
23116         * Makefile.in (enable_plugin, plugin_includedir): New.
23117         (install): Depend on install-plugin.
23118         (PLUGIN_HEADERS): New.
23119         (install-plugin): New.
23120         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
23121
23122 2009-05-05  Richard Guenther  <rguenther@suse.de>
23123
23124         PR tree-optimization/40022
23125         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
23126         the only vuse.
23127         (phivn_valid_p): Fix tuplification error, simplify.
23128         (phiprop_insert_phi): Add dumps.
23129         (propagate_with_phi): Simplify.
23130
23131 2009-05-05  Richard Guenther  <rguenther@suse.de>
23132
23133         PR middle-end/40023
23134         * builtins.c (gimplify_va_arg_expr): Properly build the address.
23135
23136 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
23137
23138         * tree.h (strip_float_extensions): Remove duplicate declaration.
23139         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
23140         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
23141         block_ultimate_origin): Rearrange the declarations line to match the
23142         comment that indicates the .c file which the functions are defined.
23143         (dwarf2out_*, set_decl_rtl): Add comment.
23144         (get_base_address): Adjust comment.
23145         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
23146         declarations line and add comment.
23147         (is_builtin_name): Add blank after function name, for clarity.
23148
23149 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
23150
23151         * attribs.c (decl_attributes): Use %qE for identifiers in
23152         diagnostics.
23153         * cgraphunit.c (verify_cgraph_node): Translate function names to
23154         locale character set in diagnostics.
23155         * coverage.c (get_coverage_counts): Use %qE for identifiers in
23156         diagnostics.
23157         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
23158         Document that functions are named in UTF-8.
23159         * expr.c (expand_expr_real_1): Translate function names to locale
23160         character set in diagnostics.
23161         * gimplify.c (omp_notice_variable, omp_is_private,
23162         gimplify_scan_omp_clauses): Use %qE for identifiers in
23163         diagnostics.
23164         * langhooks.c (lhd_print_error_function): Translate function names
23165         to locale character set.
23166         * langhooks.h (decl_printable_name): Document that return value is
23167         in internal character set.
23168         * stmt.c: Include pretty-print.h
23169         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
23170         diagnostics.
23171         (resolve_operand_name_1): Translate named operand name to locale
23172         character set.
23173         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
23174         diagnostics.
23175         * toplev.c (announce_function): Translate function names to locale
23176         character set.
23177         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
23178         (default_tree_printer): Use pp_identifier or translate identifiers
23179         to locale character set.  Mark "<anonymous>" for translation.
23180         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
23181         for identifiers in diagnostics.
23182         * tree.c (handle_dll_attribute): Use %qE for identifiers in
23183         diagnostics.
23184         * varasm.c (output_constructor): Use %qE for identifiers in
23185         diagnostics.
23186
23187 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
23188
23189         * configure.ac: use ` ` instead of $()
23190         * configure: Regenerate.
23191
23192 2009-05-05  Ben Elliston  <bje@au.ibm.com>
23193
23194         * config/pa/linux-atomic.c: Eliminate conditional include of
23195         errno.h on non-LP64 systems to simplify build requirements.
23196
23197 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
23198
23199         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
23200         diagnostics.
23201         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
23202         and pass value to identifier_to_locale.
23203         (warn_variable_length_array): Make name a tree.
23204         (grokdeclarator): Separate diagnostic texts for named and unnamed
23205         declarators.  Use %qE for named declarators.
23206         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
23207         diagnostics.
23208         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
23209         identifiers in diagnostics.
23210         * c-typeck.c (push_member_name, start_init): Pass identifiers to
23211         identifier_to_locale.  Mark "anonymous" strings for translation.
23212
23213 2009-05-04  Michael Eager <eager@eagercon.com>
23214
23215         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
23216         address for DImode/DFmode only if double-precision FP regs.
23217
23218 2009-05-04  Michael Eager <eager@eagercon.com>
23219
23220         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
23221         TARGET_SINGLE_FLOAT check.
23222
23223 2009-05-04  Michael Eager <eager@eagercon.com>
23224
23225         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
23226
23227 2009-05-04  Michael Eager <eager@eagercon.com>
23228
23229         * gcc/config.gcc (powerpc-xilinx-eabi*): Add tm t-xilinx
23230         * config/rs6000/t-xilinx: New
23231
23232 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
23233
23234         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
23235         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
23236         * gcc/explow.c (memory_address): Use target hook.
23237         * gcc/targhooks.c (default_legitimize_address): New.
23238         * gcc/targhooks.h (default_legitimize_address): New.
23239         * gcc/target.h (legitimize_address): New.
23240         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
23241         (TARGET_INITIALIZER): Include it.
23242         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
23243
23244         * config/bfin/bfin-protos.h (legitimize_address): Remove.
23245         * config/bfin/bfin.c (legitimize_address): Remove.
23246         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
23247         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
23248         Remove.
23249         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
23250         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
23251
23252         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
23253         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
23254         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
23255         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
23256         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
23257         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
23258         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
23259         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
23260         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
23261         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
23262         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
23263         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
23264         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
23265         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
23266         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
23267         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
23268         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
23269         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
23270         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
23271         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
23272         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
23273         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
23274         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
23275
23276         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
23277         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
23278         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
23279         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
23280         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
23281         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
23282         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
23283         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
23284         (thumb_legitimize_address): Delete.
23285         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
23286         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
23287         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
23288         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
23289         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
23290         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
23291         Delete.
23292         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
23293         Delete.
23294
23295         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
23296         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
23297         * config/m32r/m32r.c (m32r_legitimize_address): New.
23298         * config/m68k/m68k.c (m68k_legitimize_address): New.
23299         * config/score/score.c (score_legitimize_address): Standardize.
23300         * config/score/score3.c (score3_legitimize_address): Standardize.
23301         * config/score/score3.h (score3_legitimize_address): Adjust.
23302         * config/score/score7.c (score7_legitimize_address): Standardize.
23303         * config/score/score7.h (score7_legitimize_address): Adjust.
23304         * config/sh/sh.c (sh_legitimize_address): New.
23305         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
23306
23307         * gcc/config/s390/s390.c (legitimize_address): Rename to...
23308         (s390_legitimize_address): ... this.
23309         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
23310         (sparc_legitimize_address): ... this.
23311         * gcc/config/i386/i386.c (legitimize_address): Rename to...
23312         (ix86_legitimize_address): ... this.
23313         * gcc/config/avr/avr.c (legitimize_address): Rename to...
23314         (avr_legitimize_address): ... this.
23315         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
23316         (mn10300_legitimize_address): ... this.
23317         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
23318         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
23319         (alpha_expand_mov): Adjust call.
23320
23321         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
23322         * config/spu/spu.c (spu_legitimize_address): Likewise.
23323         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
23324         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
23325
23326 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
23327
23328         * intl.c (locale_encoding, locale_utf8): New.
23329         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
23330         * intl.h (locale_encoding, locale_utf8): Declare.
23331         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
23332         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
23333         New.
23334         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
23335         argument.
23336         (pp_tree_identifier): Define to call pp_base_tree_identifier.
23337         (pp_base_tree_identifier): Declare as function.
23338         (identifier_to_locale): Declare.
23339         * Makefile.in (pretty-print.o): Update dependencies.
23340         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
23341
23342 2009-05-04  Richard Guenther  <rguenther@suse.de>
23343
23344         PR middle-end/40015
23345         * builtins.c (fold_builtin_memory_op): Do not decay to element
23346         type if the size matches the whole array.
23347
23348 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
23349
23350         * expmed.c (synth_mult): When trying out a shift, pass the result
23351         of a signed shift.
23352
23353 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
23354
23355         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
23356         (shiftsub1_cost): New.
23357         (init_expmed): Compute shiftsub1_cost.
23358         (synth_mult): Optimize multiplications by constants of the form
23359         -(2^^m-1) for some constant positive integer m.
23360
23361 2009-05-03  Richard Guenther  <rguenther@suse.de>
23362
23363         PR c/39983
23364         * c-typeck.c (array_to_pointer_conversion): Do not built
23365         ADDR_EXPRs of arrays of pointer-to-element type.
23366         * c-gimplify.c (c_gimplify_expr): Revert change fixing
23367         up wrong ADDR_EXPRs after-the-fact.
23368         * c-common.c (strict_aliasing_warning): Strip pointer
23369         conversions for obtaining the original type.
23370         * builtins.c (fold_builtin_memset): Handle array types.
23371         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
23372         and array types
23373
23374 2009-05-03  Richard Guenther  <rguenther@suse.de>
23375
23376         PR middle-end/23329
23377         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
23378         Do not lose casts from array types with unknown extent to array
23379         types with known extent.
23380         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
23381         alias set compatibility.
23382
23383 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23384
23385         * flags.h (extra_warnings): Delete.
23386         * toplev.c (process_options): Handle Wuninitialized here.
23387         * opts.c (extra_warnings): Delete.
23388         (set_Wextra): Delete.
23389         (common_handle_option): -Wextra can be handled automatically.
23390         * c-opts.c (c_common_handle_option): Delete obsolete code.
23391         (c_common_post_options): Simplify comment.
23392         * common.opt (W): Add Var.
23393         (Wextra): Add Var.
23394         (Wuninitialized): Initialize to -1.
23395
23396 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
23397             Richard Guenther  <rguenther@suse.de>
23398
23399         * expr.c (get_def_for_expr): New function.
23400         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
23401         SSA rather than trees.
23402         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
23403         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
23404
23405 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
23406
23407         * c-common.c (reswords): Add _Imaginary.
23408         * c-common.c (enum rid): Add RID_IMAGINARY.
23409
23410 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
23411
23412         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
23413         Patch by Richard Guenther.
23414
23415 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
23416
23417         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
23418         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
23419         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
23420         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
23421         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
23422         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
23423         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
23424         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
23425         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
23426         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
23427         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
23428         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
23429         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
23430         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
23431         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
23432         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
23433         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
23434         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
23435
23436 2009-05-02  Richard Guenther  <rguenther@suse.de>
23437
23438         PR tree-optimization/39940
23439         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
23440         doing so.
23441
23442 2009-05-02  Richard Guenther  <rguenther@suse.de>
23443
23444         PR middle-end/40001
23445         * tree-ssa.c (execute_update_addresses_taken): Properly check
23446         if we can mark a variable DECL_GIMPLE_REG_P.
23447         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
23448         back to the end of the function.
23449         (is_gimple_reg_type): Remove complex type special casing.
23450         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
23451         if not optimizing.
23452
23453 2009-05-02  Ben Elliston  <bje@au.ibm.com>
23454
23455         * doc/collect2.texi (Collect2): Document search path behaviour
23456         when configured with --with-ld.
23457
23458 2009-05-02  Jan Hubicka  <jh@suse.cz>
23459
23460         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
23461         parameter; update callers.
23462         (coalesce_cost_edge): EH edges are costier because they needs
23463         splitting even if not critical and even more costier when there are
23464         multiple EH predecestors.
23465
23466 2009-05-02  Jan Hubicka  <jh@suse.cz>
23467
23468         * except.c (remove_eh_handler_and_replace): Handle updating after
23469         removing TRY blocks.
23470
23471 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
23472
23473         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
23474
23475 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
23476
23477         * varasm.c: Do not include c-pragma.h.
23478         * attribs.c: Do not incude c-common.h.
23479
23480 2009-05-01  Michael Matz  <matz@suse.de>
23481
23482         * calls.c (initialize_argument_information): Handle SSA names like
23483         decls with a non MEM_P DECL_RTL.
23484
23485 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
23486
23487         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
23488         * ipa-utils.c: Likewise.
23489         * ipa-type-escape.c: Likewise.
23490         * cgraphunit.c Do not include c-common.h.
23491         * ipa-pure-const.c: Likewise.
23492         * tree-if-conv.c: Likewise.
23493         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
23494         * ipa-struct-reorg.c: Likewise.
23495         * tree-nomudflap.c: Likewise.
23496         * tree-ssa-structalias.c: Likewise.
23497
23498 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
23499
23500         * store-motion.c: Many cleanups to make this pass a first-class
23501         citizen instead of an appendix to gcse load motion.  Add TODO list
23502         to make this pass faster/cleaner/better.
23503
23504         (struct ls_expr): Post gcse.c-split cleanups.
23505         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
23506         "stores" field to "avail_stores".
23507         (pre_ldst_mems): Rename to store_motion_mems.
23508         (pre_ldst_table): Rename to store_motion_mems_table.
23509         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
23510         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
23511         (ldst_entry): Rename to st_expr_entry, update users.
23512         (free_ldst_entry): Rename to free_st_expr_entry, update users.
23513         (free_ldst_mems): Rename to free_store_motion_mems, update users.
23514         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
23515         update caller.
23516         (first_ls_expr): Rename to first_st_expr, update users.
23517         (next_ls_expr): Rename to next_st_expr, update users.
23518         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
23519         fields properly for store motion instead of names inherited from load
23520         motion in gcse.c.
23521         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
23522         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
23523         are done with it.
23524
23525         (ae_kill): Rename to st_kill, update users.
23526         (ae_gen): Rename to st_avloc, update users.
23527         (transp): Rename to st_transp, update users.
23528         (pre_insert_map): Rename to st_insert_map, update users.
23529         (pre_delete_map): Rename to st_delete_map, update users.
23530         (insert_store, build_store_vectors, free_store_memory,
23531         one_store_motion_pass): Update for abovementioned changes.
23532
23533         (gcse_subst_count, gcse_create_count): Remove.
23534         (one_store_motion_pass): New statistics counters "n_stores_deleted"
23535         and "n_stores_created", local variables.
23536
23537         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
23538         use for_each_rtx.
23539
23540         (regvec, compute_store_table_current_insn): Remove.
23541         (reg_set_info, reg_clear_last_set): Remove.
23542         (compute_store_table): Use DF caches instead of local dataflow
23543         solvers.
23544
23545 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
23546
23547         * c-objc-common.c (c_tree_printer): Print identifiers with
23548         pp_identifier, not pp_string.  Mark "({anonymous})" for
23549         translation.
23550         * c-pretty-print.c (pp_c_ws_string): New.
23551         (pp_c_cv_qualifier, pp_c_type_specifier,
23552         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
23553         pp_c_storage_class_specifier, pp_c_function_specifier,
23554         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
23555         pp_c_primary_expression, pp_c_postfix_expression,
23556         pp_c_unary_expression, pp_c_shift_expression,
23557         pp_c_relational_expression, pp_c_equality_expression,
23558         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
23559         use pp_string and pp_c_ws_string in place of pp_identifier and
23560         pp_c_identifier for non-identifiers.  Mark English strings for
23561         translation.
23562         * c-pretty-print.h (pp_c_ws_string): Declare.
23563
23564 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
23565             Roland McGrath <roland@redhat.com>
23566
23567         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
23568         (ENABLE_LD_BUILDID): New configuration option.
23569         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
23570         (LINK_BUILDID_SPEC): New macro.
23571         (init_spec): If defined, prepend it between LINK_EH_SPEC and
23572         link_spec.
23573         * doc/install.texi: Document --enable-linker-build-id option.
23574         * configure: Rebuild.
23575         * config.in: Rebuild.
23576
23577 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
23578
23579         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
23580         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
23581         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
23582         MIPS_GP_SAVE_AREA_SIZE.
23583         * config/mips/mips.c (struct mips_frame_info): Update comment
23584         before arg_pointer_offset and hard_frame_pointer_offset.
23585         (mips_compute_frame_info): Update diagram before function: to
23586         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
23587         indicate the position of frame_pointer_rtx with -fstack-protector and
23588         to show args_size.  Don't allocate cprestore area for leaf functions
23589         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
23590         cprestore_size.
23591         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
23592
23593 2009-04-30  Michael Matz  <matz@suse.de>
23594
23595         PR tree-optimization/39955
23596         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
23597
23598 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
23599
23600         * ira.c (setup_cover_and_important_classes):  Use safe macro
23601         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
23602         directly.
23603         * genpreds.c (write_tm_preds_h):  Output suitable definition of
23604         REG_CLASS_FOR_CONSTRAINT.
23605
23606 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
23607
23608         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
23609         instead of an int.
23610         * bitmap.c (bitmap_descriptor): Likewise.
23611         * ggc-common.c (loc_descriptor): Likewise.
23612         * varray.c (varray_descriptor): Likewise.
23613         * vec.c (vec_descriptor): Likewise.
23614
23615 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
23616
23617         * Makefile.in (dce.o): Add $(EXCEPT_H).
23618         * dce.c: Include except.h and delete redundant vector definitions.
23619         (deletable_insn_p): Return false for non-call insns that can throw
23620         if DF is running.
23621
23622 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
23623
23624         * gcse.c (ae_gen): Remove.
23625         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
23626         and make non-static function to make it available in store-motion.c.
23627         Update call sites with search-and-replace.
23628         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
23629         extract_mentioned_regs, extract_mentioned_regs_helper,
23630         find_moveable_store, compute_store_table, load_kills_store, find_loads,
23631         store_killed_in_insn, store_killed_after, store_killed_before,
23632         build_store_vectors, insert_insn_start_basic_block, insert-store,
23633         remove_reachable_equiv_notes, replace_store_insn, delete_store,
23634         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
23635         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
23636         * store-motion.c: ...new file.  Also copy data structures from gcse.c
23637         and clean up to remove parts not used by store motion.
23638         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
23639         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
23640
23641 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
23642
23643         PR target/38571
23644         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
23645         when optimizing for size.
23646
23647 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
23648
23649         * gcse.c (gcse_constant_p): Fix typo in last change.
23650
23651 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
23652
23653         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
23654
23655 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
23656
23657         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
23658
23659 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
23660
23661         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
23662         CONST_HIGH_PART result.
23663
23664 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
23665
23666         * config/avr/avr.c (initial_elimination_offset): Rename to
23667         avr_initial_elimination_offset.
23668         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
23669         change return type to bool.
23670         (avr_can_eliminate): New function.
23671         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
23672         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
23673         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
23674         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
23675         avr_initial_elimination_offset.
23676         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
23677         (avr_initial_elimination_offset): Define.
23678
23679 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
23680             Steven Bosscher  <steven@gcc.gnu.org>
23681
23682         PR rtl-optimization/39938
23683         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
23684         * cfgrtl.c: Include insn-attr.h.
23685         (rest_of_pass_free_cfg): New function.
23686         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
23687         * resource.c (init_resource_info): Remove call to df_analyze.
23688
23689 2009-04-29  Richard Guenther  <rguenther@suse.de>
23690
23691         PR target/39943
23692         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
23693         allow conversion to signed integers.
23694
23695 2009-04-29  Richard Guenther  <rguenther@suse.de>
23696
23697         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
23698         shifts of floating point vectors if the shift amount is
23699         a constant multiple of the element size.
23700
23701 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
23702             Michael Matz  <matz@suse.de>
23703
23704         PR middle-end/39927
23705         PR bootstrap/39929
23706         * tree-outof-ssa.c (emit_partition_copy): New function.
23707         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
23708         insert_part_to_rtx_on_edge): Perform the partition base var
23709         copy using emit_partition_copy.
23710         (insert_value_copy_on_edge): Convert constants to the right mode.
23711         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
23712         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
23713
23714 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23715
23716         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
23717         scan backwards to try to find a constant to initialize it.
23718
23719         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
23720         insn before the loop_end instruction, don't look past labels.
23721
23722 2009-04-29  Richard Guenther  <rguenther@suse.de>
23723
23724         PR middle-end/39937
23725         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
23726         loose type conversions.
23727         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
23728         stmts only if there are no uses of its definition.
23729
23730 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23731
23732         * config/bfin/bfin.h (splitting_loops): Declare.
23733         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
23734         Reorder bit definitions to be ascending.
23735         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
23736         * config/bfin/bfin.c (splitting_loops): New variable.
23737         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
23738         (struct loop_info): Remove members INIT and LOOP_INIT.
23739         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
23740         the LSETUP sequence.  Allow LC to be loaded from any register, but
23741         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
23742         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
23743         set to 1.
23744         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
23745         of reload_completed.
23746
23747         From Jie Zhang:
23748         * config/bfin/bfin.md (movsi_insn): Refine constraints.
23749
23750 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
23751
23752         * Makefile.in (PLUGIN_VERSION_H): New.
23753         (OBJS-common): Remove plugin-version.o.
23754         (plugin.o): Depend on (PLUGIN_VERSION_H).
23755         (plugin-version.o): Remove.
23756         * configure: Regenerate
23757         * configure.ac: Create plugin-version.h.
23758         * gcc-plugin.h (plugin_gcc_version): Remove.
23759         (plugin_default_version_check): Change signature.
23760         * plugin-version.c: Remove.
23761         * plugin.c: Include plugin-version.h.
23762         (str_plugin_gcc_version_name): Remove.
23763         (try_init_one_plugin): Pass gcc version to plugin_init.
23764         (plugin_default_version_check): Both gcc and plugin versions are now
23765         arguments.
23766
23767 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23768
23769         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
23770         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
23771         Remove special case testing for last insn of inner loops. Don't fail
23772         if the loop ends with a jump, emit an extra nop instead.
23773
23774         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
23775         DREGS rather than comparing directly.  Remove code that tries to
23776         account for latencies.
23777
23778 2009-04-29  Richard Guenther  <rguenther@suse.de>
23779
23780         PR tree-optimization/39941
23781         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
23782         eliminating an indirect call.
23783
23784 2009-04-29  Richard Guenther  <rguenther@suse.de>
23785
23786         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
23787         parameter.  Allow invariants as base if !require_lvalue.
23788         (verify_gimple_assign_single): Adjust.
23789
23790 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23791
23792         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
23793         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
23794         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
23795         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
23796         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
23797         a VEC_SELECT.
23798         * config/bfin/bfin.c (bfin_expand_builtin,
23799         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
23800
23801 2009-04-28  Richard Guenther  <rguenther@suse.de>
23802
23803         * tree-vect-loop.c (get_initial_def_for_induction): Use
23804         correct types for pointer increment.
23805
23806 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
23807
23808         * toplev.c (print_version): Update GMP version string calculation.
23809
23810 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
23811
23812         PR rtl-optimization/39938
23813         * resource.c (init_resource_info): Add call to df_analyze.
23814
23815 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23816
23817         * config/alpha/alpha.md (usegp): Cast the result of
23818         alpha_find_lo_sum_using_gp to enum attr_usegp.
23819         * config/alpha/alpha.c (override_options): Remove end-of-structure
23820         marker element from cpu_table.  Use array size of cpu_table to handle
23821         -mcpu and -mtune options.
23822         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
23823
23824 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
23825
23826         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
23827         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
23828         tune_32 and tune_64.
23829         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
23830         support on PowerPC.
23831         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
23832         * config/rs6000/option-defaults.h: ... here.  New file.
23833         (OPT_64, OPT_32): Define.
23834         (MASK_64BIT): Define to 0 if not already defined.
23835         (OPT_ARCH64, OPT_ARCH32): Define.
23836         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
23837         and tune_64.
23838
23839 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
23840
23841         * config/arm/arm.c (arm_override_options): Emit error on using
23842         fpa with AAPCS.
23843
23844 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23845
23846         PR rtl-optimization/39914
23847         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
23848         registers for allocnos created from user-defined variables only
23849         when not optimizing.
23850
23851 2009-04-28  Richard Guenther  <rguenther@suse.de>
23852
23853         PR middle-end/39937
23854         * fold-const.c (fold_binary): Use distribute_real_division only
23855         on float types.
23856
23857 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
23858
23859         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
23860         add hpux-stdint.h to tm_file.
23861         (hppa[12]*-*-hpux11*): Ditto.
23862         (ia64*-*-hpux*): Ditto.
23863         * config/hpux-stdint.h: New.
23864         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
23865         __STDC_EXT__ for all compiles.
23866         * config/pa/pa-hpux.h: Ditto.
23867         * config/pa/pa-hpux10.h: Ditto.
23868         * config/pa/pa-hpux11.h: Ditto.
23869
23870 2009-04-28  Catherine Moore  <clm@codesourcery.com>
23871
23872         * debug.h (set_name): Add comment.
23873
23874 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
23875
23876         PR target/39929
23877         * config/darwin.c (machopic_gen_offset): Check
23878         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
23879         * config/arm/arm.c (require_pic_register): Likewise.
23880
23881 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
23882
23883         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
23884         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
23885         m32c_promote_prototypes): Delete.
23886
23887 2009-04-28  Michael Matz  <matz@suse.de>
23888
23889         PR middle-end/39922
23890         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
23891         constants.
23892
23893 2009-04-28  Richard Guenther  <rguenther@suse.de>
23894
23895         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
23896
23897 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
23898
23899         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
23900         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
23901         * config/arm/arm-tune.md: Regenerate.
23902
23903 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
23904
23905         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
23906         block if there are complex incoming edges.
23907         (sel_merge_blocks): Remove useless assert.
23908         (sel_redirect_edge_and_branch): Check that edge was redirected.
23909         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
23910         (sel_find_rgns): Delete declaration.
23911         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
23912         the region when it is not a preheader.
23913
23914 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23915
23916         PR c/39323
23917         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
23918
23919 2009-04-28  Richard Guenther  <rguenther@suse.de>
23920
23921         * tree.h (SSA_NAME_VALUE): Remove.
23922         (struct tree_ssa_name): Remove value_handle member.
23923         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
23924         array for jump threading.
23925         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
23926         SSA_NAME_VALUEs.
23927         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
23928         * tree-flow.h (threadedge_initialize_values): Declare.
23929         (threadedge_finalize_values): Likewise.
23930         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
23931         (SSA_NAME_VALUE): Define.
23932         (threadedge_initialize_values): New function.
23933         (threadedge_finalize_values): Likewise.
23934         * tree-ssa-dom.c (ssa_name_values): New global variable.
23935         (SSA_NAME_VALUE): Define.
23936         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
23937
23938 2009-04-28  Ira Rosen  <irar@il.ibm.com>
23939
23940         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
23941         Use REPORT_VECTORIZED_LOCATIONS instead
23942         REPORT_VECTORIZED_LOOPS.
23943         * tree-vectorizer.c (vect_verbosity_level): Make static.
23944         (vect_loop_location): Rename to vect_location.
23945         (vect_set_verbosity_level): Update comment.
23946         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
23947         and vect_location.
23948         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
23949         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
23950         instead REPORT_UNVECTORIZED_LOOPS.
23951         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
23952         and vect_loop_def to vect_external_def and vect_internal_def.
23953         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
23954         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
23955         REPORT_UNVECTORIZED_LOCATIONS.
23956         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
23957         and vect_used_in_loop and to vect_unused_in_scope and
23958         vect_used_in_scope.
23959         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
23960         (vect_verbosity_level): Remove declaration.
23961         (vect_analyze_operations): Likewise.
23962         (vect_analyze_stmt): Declare.
23963         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
23964         REPORT_UNVECTORIZED_LOCATIONS.
23965         (vect_get_loop_niters): Fix indentation.
23966         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
23967         (vect_analyze_loop_operations): New function.
23968         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
23969         vect_analyze_operations.
23970         (vect_is_simple_reduction): Use new names.
23971         (vectorizable_live_operation, vect_transform_loop): Likewise.
23972         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
23973         to specify whether the data references can be a part of interleaving
23974         chain.
23975         (vect_analyze_data_ref_dependence): Use new names.
23976         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
23977         (vect_create_addr_base_for_vector_ref): Remove redundant code.
23978         * tree-vect-patterns.c (widened_name_p): Use new names.
23979         (vect_recog_dot_prod_pattern): Likewise.
23980         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
23981         (process_use, vect_mark_stmts_to_be_vectorized,
23982         vect_model_simple_cost, vect_model_store_cost,
23983         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
23984         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
23985         vectorizable_operation, vectorizable_type_demotion,
23986         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
23987         vectorizable_condition): Likewise.
23988         (vect_analyze_operations): Split into vect_analyze_loop_operations
23989         and ...
23990         (vect_analyze_stmt): ... new function.
23991         (new_stmt_vec_info): Use new names.
23992         (vect_is_simple_use): Use new names and fix comment.
23993         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
23994         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
23995
23996 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23997
23998         PR target/39911
23999         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
24000         and integer modes for x87 operands.  Do not ICE for unsupported size,
24001         generate error instead.  Generate error for unsupported operand types.
24002         ['z']: Do not handle HImode memory operands specially.  Warning
24003         for floating-point operands.  Fallthru to 'Z' for unsupported operand
24004         types.  Do not ICE for unsupported size, generate error instead.
24005         (output_387_binary_op): Use %Z to output operands.
24006         (output_fp_compare): Ditto.
24007         (output_387_reg_move): Ditto.
24008
24009 2009-04-28  Ben Elliston  <bje@au.ibm.com>
24010
24011         PR c++/35652
24012         Revert:
24013
24014         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24015
24016         * builtins.c (c_strlen): Do not warn here.
24017         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
24018         * c-common.c (pointer_int_sum): Take an explicit location.
24019         Warn about offsets out of bounds.
24020         * c-common.h (pointer_int_sum): Adjust declaration.
24021
24022 2009-04-27  Ian Lance Taylor  <iant@google.com>
24023
24024         * collect2.c (is_ctor_dtor): Change type of ret field in struct
24025         names to symkind.
24026         * dce.c (run_fast_df_dce): Change type of old_flags to int.
24027         * df-core.c (df_set_flags): Change return type to int.  Change
24028         type of old_flags to int.
24029         (df_clear_flags): Likewise.
24030         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
24031         (df_get_conditional_uses): Likewise.
24032         * df.h (df_set_flags, df_clear_flags): Update declarations.
24033         * dwarf2out.c (struct indirect_string_node): Change type of form
24034         field to enum dwarf_form.
24035         (AT_string_form): Change return type to enum dwarf_form.
24036         * fixed-value.c (fixed_compare): Add cast to enum type.
24037         * fwprop.c (update_df): Change 0 to VOIDmode.
24038         * gensupport.c: Change 0 to UNKNOWN.
24039         * gimple.h (gimple_cond_code): Add cast to enum type.
24040         * haifa-sched.c (reemit_notes): Add cast to enum type.
24041         * hooks.c (hook_int_void_no_regs): Remove function.
24042         * hooks.h (hook_int_void_no_regs): Remove declaration.
24043         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
24044         * predict.c (combine_predictions_for_insn): Add casts to enum type.
24045         * real.c (real_arithmetic): Add cast to enum type.
24046         (real_compare): Likewise.
24047         * target.h (struct gcc_target): Change return type of
24048         branch_target_register_class to enum reg_class.
24049         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
24050         default_branch_target_register_class.
24051         * targhooks.c (default_branch_target_register_class): New function.
24052         * targhooks.h (default_branch_target_register_class): Declare.
24053         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
24054         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
24055         cast to int.
24056         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
24057         ERROR_MARK.
24058         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
24059         vect_uninitialized_def.  Change 0 to ERROR_MARK.
24060         * tree-vect-stmts.c (supportable_widening_operation): Don't
24061         initialize icode1 and icode2.
24062         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
24063         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
24064         and to STD_C89.
24065         (cmn_err_flag_specs): Change 0 to STD_C89.
24066         (cmn_err_char_table): Likewise.
24067         * config/arm/arm.c (get_arm_condition_code): Change type of code
24068         to enum arm_cond_code.
24069         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
24070         (IWMMXT_BUILTIN2): Likewise.
24071         (neon_builtin_type_bits): Don't define typedef.
24072         (neon_builtin_datum): Change type of bits field to int.
24073         (arm_expand_neon_args): Add cast to enum type.
24074         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
24075         TLS_MODEL_NONE.
24076         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
24077         casts to enum type.
24078         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
24079         MIPS_FP_COND_f.
24080         * config/mips/mips.md (jal_macro): Return enum constant.
24081         (single_insn): Likewise.
24082         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
24083         CODE_FOR_nothing.
24084         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
24085         casts to enum type.
24086         * config/s390/s390.c (s390_tune_flags): Change type to int.
24087         (s390_arch_flags): Likewise.
24088         (s390_handle_arch_option): Change flags field of struct pta to int.
24089         * config/s390/s390.h (s390_tune_flags): Update declaration.
24090         (s390_arch_flags): Likewise.
24091         * config/sh/sh.c (prepare_move_operands): Compare
24092         tls_symbolic_operand result with enum constant.
24093         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
24094         (sh_expand_prologue): Add cast to enum type.
24095         (sh_expand_epilogue): Likewise.
24096         (tls_symbolic_operand): Change return type to enum tls_model.
24097         (fpscr_set_from_mem): Add cast to enum type.
24098         (legitimize_pic_address): Compare tls_symbolic_operand result with
24099         enum constant.
24100         (sh_target_reg_class): Change return type to enum reg_class.
24101         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
24102         PROCESSOR_xxx.
24103         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
24104         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
24105         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
24106         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
24107         (delayed_branch, tls_call_delay): Likewise.
24108         (eligible_for_sibcall_delay): Likewise.
24109         (eligible_for_return_delay): Likewise.
24110         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
24111         (spu_expand_builtin_1): Likewise.
24112
24113         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
24114         for all types of conversions.
24115         (output_init_element): Issue -Wc++-compat warning if needed when
24116         initializing a bitfield with enum type.
24117         * c-parser.c (c_parser_expression): Set original_type to
24118         original_type of right hand operand of comma operator.
24119
24120 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24121
24122         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
24123         grammar nits.
24124         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
24125         * doc/cpp.texi (Standard Predefined Macros)
24126         (Implementation-defined behavior): Likewise.
24127         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
24128         * doc/gimple.texi (GIMPLE Exception Handling)
24129         (@code{GIMPLE_ASSIGN}): Likewise.
24130         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
24131         * doc/invoke.texi (Warning Options, Optimize Options)
24132         (AVR Options, Darwin Options): Likewise.
24133         (Optimize Options): Reformulate -fwhole-program description.
24134         * doc/loop.texi (Lambda): Likewise.
24135         * doc/md.texi (Output Template, Define Constraints)
24136         (Standard Names, Insn Splitting): Likewise.
24137         * doc/options.texi (Option properties): Likewise.
24138         * doc/passes.texi (Tree-SSA passes): Likewise.
24139         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
24140         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
24141         (File Names and DBX): Likewise.
24142         * doc/trouble.texi (Incompatibilities): Likewise.
24143
24144 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
24145
24146         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
24147         instruction is correct.
24148
24149 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
24150
24151         Allow non-constant arguments to conversion intrinsics.
24152         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
24153         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
24154         * spu.c (print_operand): Handle 'v' and 'w'.
24155         (exp2_immediate_p, spu_gen_exp2): Define.
24156         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
24157         spu_convtf_1): Update parameter descriptions.
24158         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
24159         * constraints.md ('v', 'w'): New.
24160         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
24161         Remove.
24162         (i2f, I2F): New define_mode_attr.
24163         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
24164         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
24165         fixuns_truncv4sfv4si2):  Update to use mode attribute.
24166         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
24167         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
24168         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
24169         patterns for combine.
24170
24171 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
24172
24173         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
24174         (cprop, hoist, pre, store_motion): New debug counters.
24175         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
24176         is not an RTL pass anymore.
24177         (pass_profiling): Remove extern decl for pass removed in 2005.
24178         (pass_gcse, pass_jump_bypass): Remove.
24179         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
24180         to 0 for clean state.
24181         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
24182         * cse.c (gate_handle_cse_after_global_opts,
24183         rest_of_handle_cse_after_global_opts): New functions.
24184         (pass_cse_after_global_opts): New pass, does local CSE.
24185         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
24186         (TV_CPROP): New timevar.
24187         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
24188         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
24189         (gcse_main, recompute_all_luids): Remove.
24190         (compute_hash_table_work): Call max_reg_num instead of reading
24191         max_gcse_regno.
24192         (cprop_jump): Don't set run_jump_opt_after_gcse.
24193         (constprop_register): Always allow to alter jumps.
24194         (cprop_insn): Likewise.
24195         (do_local_cprop): Likewise.
24196         (local_cprop_pass): Likewise.  Return non-zero if something changed.
24197         (cprop): Remove function, fold interesting bits into one_cprop_pass.
24198         (find_implicit_sets): Add note about missed optimization opportunity.
24199         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
24200         pass_rtl_cprop execute function.
24201         Don't bother tracking the pass number, each pass gets its own dumpfile
24202         now anyway.
24203         Always allow to alter jumpsand bypass jumps.
24204         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
24205         will just find no suitable set.
24206         (pre_edge_insert): Fix dumping, this function is for PRE only.
24207         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
24208         pass_rtl_pre execute function.
24209         (hoist_code): Return non-zero if something changed.  Keep track of
24210         substitutions and insertions for statistics gathering similar to PRE.
24211         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
24212         called from the pass_rtl_hoist execute function.  Show pass statistics.
24213         (compute_store_table): Use max_reg_num directly instead of using the
24214         formerly global max_gcse_regno.
24215         (build_store_vectors): Likewise.
24216         (replace_store_insn): Fix dumping.
24217         (store_motion): Rename to ...
24218         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
24219         pass, called from the pass_rtl_store_motion execute function.  Keep
24220         track of substitutions and insertions for statistics gathering similar
24221         to PRE.
24222         (bypass_jumps): Remove, fold interesting bits into ...
24223         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
24224         from the pass_rtl_cprop execute function.
24225         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
24226         pass_jump_bypass): Remove.
24227         (gate_handle_gcse, rest_of_handle_gcse): Remove.
24228         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
24229         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
24230         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
24231         (gate_rtl_store_motion, execute_rtl_store_motion,
24232         pass_rtl_store_motion): New.
24233         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
24234         make it clear that -fcse-skip-blocks is a no-op for backward compat.
24235         * passes.c (init_optimization_passes): Remove pass_gcse and
24236         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
24237         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
24238         instead of pass_jump_bypass.
24239
24240 2009-04-27  Richard Guenther  <rguenther@suse.de>
24241
24242         PR middle-end/39928
24243         * gimplify.c (gimplify_expr): If we are required to create
24244         a temporary make sure it ends up as register.
24245
24246 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
24247
24248         PR target/39903
24249         * config/i386/i386.c (construct_container): Don't call
24250         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
24251         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
24252
24253 2009-04-27  Michael Matz  <matz@suse.de>
24254
24255         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
24256         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
24257         * tree-ssa-live.h (find_replaceable_exprs): Return a bitmap.
24258         (dump_replaceable_exprs): Take a bitmap.
24259         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
24260         array.
24261         (expand_gimple_basic_block): Likewise.
24262         * tree-ssa-ter.c (struct temp_expr_table_d): Make
24263         replaceable_expressions member a bitmap.
24264         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
24265         (mark_replaceable): Likewise.
24266         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
24267         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
24268
24269 2009-04-27  Richard Guenther  <rguenther@suse.de>
24270
24271         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
24272         (verify_stmts): Dispatch to gimple/type verification code.
24273         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
24274         issue with call argument types.
24275
24276 2009-04-27  Michael Matz  <matz@suse.de>
24277
24278         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
24279         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
24280         to above.
24281
24282 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
24283             Eric Botcazou  <ebotcazou@adacore.com>
24284
24285         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
24286         a label's basic block.
24287         (mark_target_live_regs): Tidy and rework obsolete comments.
24288         Change back DF problem to LIVE.  If a label starts a basic block,
24289         assume that all registers that used to be live then still are.
24290         (init_resource_info): If a label starts a basic block, set its
24291         BLOCK_FOR_INSN accordingly.
24292         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
24293
24294 2009-04-27  Richard Guenther  <rguenther@suse.de>
24295
24296         * tree-flow-inline.h (function_ann): Remove.
24297         (get_function_ann): Likewise.
24298         * tree-dfa.c (create_function_ann): Remove.
24299         * tree-flow.h (struct static_var_ann_d): Remove.
24300         (struct function_ann_d): Likewise.
24301         (union tree_ann_d): Remove fdecl member.
24302         (function_ann_t): Remove.
24303         (function_ann, get_function_ann, create_function_ann): Remove
24304         declarations.
24305
24306 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
24307
24308         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
24309
24310 2009-04-27  Jan Hubicka  <jh@suse.cz>
24311
24312         * ipa-pure-const.c (struct funct_state_d): New fields
24313         state_previously_known, looping_previously_known; remove
24314         state_set_in_source.
24315         (analyze_function): Use new fields.
24316         (propagate): Avoid assumption that state_set_in_source imply
24317         nonlooping.
24318
24319         * tree-ssa-loop-niter.c (finite_loop_p): New function.
24320         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
24321         * cfgloop.h (finite_loop_p): Declare.
24322
24323 2009-04-26  Michael Matz  <matz@suse.de>
24324
24325         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
24326
24327 2009-04-26  Michael Matz  <matz@suse.de>
24328
24329         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
24330         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
24331         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
24332         pass_mark_used_blocks): Remove.
24333         * tree-optimize.c (pass_free_datastructures,
24334         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
24335         * passes.c (init_optimization_passes): Don't call
24336         pass_mark_used_blocks, remove dead code.
24337
24338 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
24339
24340         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
24341         * tree-ssa-live.h (register_ssa_partition): Likewise.
24342
24343 2009-04-26  Michael Matz  <matz@suse.de>
24344
24345         Expand from SSA.
24346         * builtins.c (fold_builtin_next_arg): Handle SSA names.
24347         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
24348         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
24349         SSA names.
24350         (compare_pairs): Swap cost comparison.
24351         (coalesce_ssa_name): Don't use change_partition_var.
24352         * tree-nrv.c (struct nrv_data): Add modified member.
24353         (finalize_nrv_r): Set it.
24354         (tree_nrv): Use it to update statements.
24355         (pass_nrv): Require PROP_ssa.
24356         * tree-mudflap.c (mf_decl_cache_locals,
24357         mf_build_check_statement_for): Use make_rename_temp.
24358         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
24359         * alias.c (find_base_decl): Handle SSA names.
24360         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
24361         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
24362         * rtl.h (set_reg_attrs_for_parm): Declare.
24363         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
24364         to "optimized", remove unused locals at finish.
24365         (execute_free_datastructures): Make global, call
24366         delete_tree_cfg_annotations.
24367         (execute_free_cfg_annotations): Don't call
24368         delete_tree_cfg_annotations.
24369
24370         * ssaexpand.h: New file.
24371         * expr.c (toplevel): Include ssaexpand.h.
24372         (expand_assignment): Handle SSA names the same as register variables.
24373         (expand_expr_real_1): Expand SSA names.
24374         * cfgexpand.c (toplevel): Include ssaexpand.h.
24375         (SA): New global variable.
24376         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
24377         (SSAVAR): New macro.
24378         (set_rtl): New helper function.
24379         (add_stack_var): Deal with SSA names, use set_rtl.
24380         (expand_one_stack_var_at): Likewise.
24381         (expand_one_stack_var): Deal with SSA names.
24382         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
24383         before unique numbers.
24384         (expand_stack_vars): Use set_rtl.
24385         (expand_one_var): Accept SSA names, add asserts for them, feed them
24386         to above subroutines.
24387         (expand_used_vars): Expand all partitions (without default defs),
24388         then only the local decls (ignoring those expanded already).
24389         (expand_gimple_cond): Remove edges when jumpif() expands an
24390         unconditional jump.
24391         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
24392         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
24393         SSA name.
24394         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
24395         members of SA; deal with PARM_DECL partitions here; expand
24396         all PHI nodes, free tree datastructures and SA.  Commit instructions
24397         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
24398         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
24399         info and statements at start, collect garbage at finish.
24400         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
24401         (VAR_ANN_PARTITION) Remove.
24402         (change_partition_var): Don't declare.
24403         (partition_to_var): Always return SSA names.
24404         (var_to_partition): Only accept SSA names.
24405         (register_ssa_partition): Only check argument.
24406         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
24407         member.
24408         (delete_var_map): Don't free it.
24409         (var_union): Only accept SSA names, simplify.
24410         (partition_view_init): Mark only useful SSA names as used.
24411         (partition_view_fini): Only deal with SSA names.
24412         (change_partition_var): Remove.
24413         (dump_var_map): Use ssa_name instead of partition_to_var member.
24414         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
24415         basic blocks.
24416         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
24417         (struct _elim_graph): New member const_dests; nodes member vector of
24418         ints.
24419         (set_location_for_edge): New static helper.
24420         (create_temp): Remove.
24421         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
24422         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
24423         (new_elim_graph): Allocate const_dests member.
24424         (clean_elim_graph): Truncate const_dests member.
24425         (delete_elim_graph): Free const_dests member.
24426         (elim_graph_size): Adapt to new type of nodes member.
24427         (elim_graph_add_node): Likewise.
24428         (eliminate_name): Likewise.
24429         (eliminate_build): Don't take basic block argument, deal only with
24430         partition numbers, not variables.
24431         (get_temp_reg): New static helper.
24432         (elim_create): Use it, deal with RTL temporaries instead of trees.
24433         (eliminate_phi): Adjust all calls to new signature.
24434         (assign_vars, replace_use_variable, replace_def_variable): Remove.
24435         (rewrite_trees): Only do checking.
24436         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
24437         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
24438         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
24439         contains_tree_r, MAX_STMTS_IN_LATCH,
24440         process_single_block_loop_latch, analyze_edges_for_bb,
24441         perform_edge_inserts): Remove.
24442         (expand_phi_nodes): New global function.
24443         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
24444         functions, initialize new parameter, remember partitions having a
24445         default def.
24446         (finish_out_of_ssa): New global function.
24447         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
24448         don't reset in_ssa_p here, don't disable TER when mudflap.
24449         (pass_del_ssa): Remove.
24450         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
24451         partition members.
24452         (execute_free_datastructures): Declare.
24453         * Makefile.in (SSAEXPAND_H): New variable.
24454         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
24455         * basic-block.h (commit_one_edge_insertion): Declare.
24456         * passes.c (init_optimization_passes): Move pass_nrv and
24457         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
24458         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
24459         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
24460         (redirect_branch_edge): Deal with super block when expanding, split
24461         out jump patching itself into ...
24462         (patch_jump_insn): ... here, new static helper.
24463
24464 2009-04-26  Michael Matz  <matz@suse.de>
24465
24466         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
24467         beyond num_ssa_names.
24468         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
24469         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
24470
24471 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
24472
24473         PR inline-asm/39543
24474         * fwprop.c (forward_propagate_asm): New function.
24475         (forward_propagate_and_simplify): Propagate also into __asm, if it
24476         doesn't increase the number of referenced registers.
24477
24478         PR c/39889
24479         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
24480
24481 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
24482
24483         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
24484         note_nonlocal_vla_type for nonlocal VLAs.
24485         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
24486         contains_remapped_vars, remap_vla_decls): New functions.
24487         (convert_nonlocal_reference_stmt): If not optimizing, call
24488         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
24489         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
24490         if it wasn't found in var_map.
24491         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
24492         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
24493         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
24494         declare_vars.
24495         * gimplify.c (nonlocal_vlas): New variable.
24496         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
24497         referenced VLAs.
24498         (gimplify_body): Create and destroy nonlocal_vlas.
24499
24500         * dwarf2out.c (loc_descr_plus_const): New function.
24501         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
24502         mem_loc_descriptor, loc_descriptor_from_tree_1,
24503         descr_info_loc, gen_variable_die): Use it.
24504
24505         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
24506         !TREE_STATIC VAR_DECLs.
24507         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
24508         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
24509         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
24510         DECL_BY_REFERENCE is valid.
24511         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
24512         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
24513         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
24514         Copy DECL_BY_REFERENCE.
24515         (struct nesting_copy_body_data): New type.
24516         (nesting_copy_decl): New function.
24517         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
24518         if they have variable length.
24519
24520 2009-04-26  Michael Matz  <matz@suse.de>
24521
24522         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
24523         mark new temporaries for renaming.
24524
24525 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
24526
24527         PR c/39581
24528         * c-decl.c (global_bindings_p): Return negative value.
24529         (c_variable_size): New.  Based on variable_size from
24530         stor-layout.c.
24531         (grokdeclarator): Call c_variable_size not variable_size.
24532
24533 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
24534
24535         * config/i386/i386.c (print_operand) ['z']: Fix typo.
24536
24537 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
24538
24539         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
24540         Redefine it to just use mingw/include.
24541         (ASM_SPEC): Rules for -m32 and -m64.
24542         (LINK_SPEC): Use Likewise.
24543         (SPEC_32): New define.
24544         (SPEC_64): Likewise.
24545         (SUB_LINK_SPEC): Likewise.
24546         (MULTILIB_DEFAULTS): New define.
24547         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
24548         Add multilib options.
24549         (MULTILIB_DIRNAMES): Likewise.
24550         (MULTILIB_OSDIRNAMES): Likewise.
24551         (LIBGCC): Likewise.
24552         (INSTALL_LIBGCC): Likewise.
24553
24554 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
24555
24556         PR c/39556
24557         * c-tree.h (enum c_inline_static_type): New.
24558         (record_inline_static): Declare.
24559         * c-decl.c (struct c_inline_static, c_inline_statics,
24560         record_inline_static, check_inline_statics): New.
24561         (pop_file_scope): Call check_inline_statics.
24562         (start_decl): Call record_inline_static instead of pedwarning
24563         directly for static in inline function.
24564         * c-typeck.c (build_external_ref): Call record_inline_static
24565         instead of pedwarning directly for static referenced in inline
24566         function.
24567
24568 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
24569
24570         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
24571         not new but only being rescanned.
24572         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
24573         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
24574         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
24575         record_set_info, compute_set, grealloc): Remove.
24576         (recompute_all_luids): New function.
24577         (gcse_main): Don't compute sets, and don't do related memory
24578         allocations/free-ing.  If something changed before the end of the
24579         pass, update LUIDs using recompute_all_luids.
24580         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
24581         (free_gcse_mem): Don't free it either.
24582         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
24583         Use the df insn LUIDs.
24584         (load_killed_in_block): Likewise.
24585         (compute_hash_table_work): Don't compute reg_set_in_block.
24586         (compute_transp): Use DF_REG_DEF_CHAINs.
24587         (local_cprop_pass): Don't use compute_sets and related functions.
24588         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
24589         Use get_max_uid() instead of max_cuid.
24590         (insert_insn_end_basic_block, pre_insert_copy_insn,
24591         update_ld_motion_stores): Don't try to
24592         keep reg_set tables up to date.
24593         (pre_insert_copies): Use df insn LUIDs.
24594         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
24595         (reg_set_info): Don't use extra bitmap argument.
24596         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
24597         information to compute regs_set_in_block.
24598         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
24599         (bypass_jumps): Don't use compute_sets and friends.
24600
24601 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24602
24603         PR testsuite/39710
24604         * opts.c (undocumented_msg): Do not leave blank even with
24605         ENABLE_CHECKING.
24606
24607 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
24608
24609         * c-decl.c (build_enumerator): Allow values folding to integer
24610         constants but not integer constant expressions with a pedwarn if
24611         pedantic.
24612
24613 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
24614
24615         PR c/39582
24616         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
24617         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
24618         type is an integer constant.
24619
24620 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
24621
24622         PR target/39897
24623         * config/i386/i386.c (print_operand) ['z']: Revert handling of
24624         HImode operands.
24625
24626 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
24627
24628         PR c/39564
24629         * c-decl.c (grokdeclarator): Diagnose declarations of functions
24630         with variably modified return type and no storage class
24631         specifiers, except for the case of nested functions.  Distinguish
24632         extern declarations of functions with variably modified return
24633         types from those of objects with variably modified types.
24634
24635 2009-04-25  Jan Hubicka  <jh@suse.cz>
24636
24637         * tree.c (list_equal_p): New function.
24638         * tree.h (list_equal_p): Declare.
24639         * coretypes.h (edge_def, edge, const_edge, basic_block_def
24640         basic_block_def, basic_block, const_basic_block): New.
24641         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
24642         (redirect_eh_edge): New function.
24643         (make_eh_edge_update_phi): EH edges are not abnormal.
24644         * except.c: Include tree-flow.h.
24645         (list_match): New function.
24646         (eh_region_replaceable_by_p): New function.
24647         (replace_region): New function.
24648         (hash_type_list): New function.
24649         (hash_eh_region): New function.
24650         (eh_regions_equal_p): New function.
24651         (merge_peers): New function.
24652         (remove_unreachable_regions): Verify EH tree when checking;
24653         merge peers.
24654         (copy_eh_region_1): New function.
24655         (copy_eh_region): New function.
24656         (push_reachable_handler): New function.
24657         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
24658         regions without label but with live RESX.
24659         * except.h (redirect_eh_edge_to_label): New.
24660         * tree-flow.h (redirect_eh_edge): New.
24661         * coretypes.h (edge_def, edge, const_edge, basic_block_def
24662         basic_block_def, basic_block, const_basic_block): Remove.
24663         * Makefile.in (except.o): Add dependency on tree-flow.h
24664         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
24665         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
24666         Remove.
24667
24668 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
24669
24670         PR bootstrap/39645
24671         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
24672         on the destination of memcpy.
24673
24674 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
24675
24676         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
24677         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
24678         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
24679
24680 2009-04-25  Jan Hubicka  <jh@suse.cz>
24681
24682         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
24683         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
24684         to be reached by different label than left.
24685         (update_eh_edges): Update comment; remove edge_to_remove if possible
24686         and return true if suceeded.
24687         (cleanup_empty_eh): Accept sharing map; handle shared regions.
24688         (cleanup_eh): Compute sharing map.
24689         * except.c (remove_eh_handler_and_replace): Add argument if we should
24690         update regions.
24691         (remove_unreachable_regions): Update for label sharing.
24692         (label_to_region_map): Likewise.
24693         (get_next_region_sharing_label): New function.
24694         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
24695         prev_try pointers.
24696         (remove_eh_handler): Update.
24697         (remove_eh_region_and_replace_by_outer_of): New function.
24698         * except.h (struct eh_region): Add next_region_sharing_label.
24699         (remove_eh_region_and_replace_by_outer_of,
24700         get_next_region_sharing_label): Declare.
24701         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
24702
24703 2009-04-25  Jan Hubicka  <jh@suse.cz>
24704
24705         * tree-cfg.c (split_critical_edges): Split also edges where we can't
24706         insert code even if they are not critical.
24707
24708 2009-04-25  Jan Hubicka  <jh@suse.cz>
24709
24710         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
24711         (gimple_can_remove_branch_p): EH edges won't remove branch by
24712         redirection.
24713         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
24714         updating of non-abnormal EH edges.
24715         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
24716         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
24717         (split_critical_edges): Split also edges where emitting code on them
24718         will lead to splitting later.
24719
24720 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
24721             H.J. Lu  <hongjiu.lu@intel.com>
24722
24723         PR target/39590
24724         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
24725         the configured assembler supports fildq and fistpq mnemonics.
24726         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
24727         * configure: Regenerated.
24728         * config.in: Ditto.
24729
24730         * config/i386/i386.c (print_operand): Handle 'Z'.
24731         ['z']: Remove handling of special fild/fist suffixes.
24732         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
24733         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
24734         suffix of fild insn.
24735         (*floatsi<mode>2_vector_mixed): Ditto.
24736         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
24737         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
24738         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
24739         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
24740         * config/i386/gas.h (GAS_MNEMONICS): Remove.
24741
24742 2009-04-25  Ben Elliston  <bje@au.ibm.com>
24743
24744         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
24745         the source of a set operation.
24746
24747 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
24748
24749         * target.h (struct gcc_target): Add case_values_threshold field.
24750         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
24751         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
24752         * targhooks.c (default_case_values_threshold): New function.
24753         * targhooks.h (default_case_values_threshold): Declare function.
24754         * stmt.c (expand_case): Use case_values_threshold target hook.
24755         * expr.h (case_values_threshold): Remove declartation.
24756         * expr.c (case_values_threshold): Remove function.
24757         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
24758
24759         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
24760         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
24761         (avr_case_values_threshold): Declare as static.
24762         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
24763
24764         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
24765         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
24766         (mn10300_case_values_threshold): New function.
24767
24768 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
24769
24770         * ira.c (setup_cover_and_important_classes): Add enum cast.
24771
24772 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
24773
24774         * genpreds.c (write_enum_constraint_num): Output definition of
24775         CONSTRAINT_NUM_DEFINED_P macro.
24776         * ira.c (setup_cover_and_important_classes): Use
24777         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
24778
24779 2009-04-24  DJ Delorie  <dj@redhat.com>
24780
24781         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
24782         __SH2A_SINGLE_ONLY__ also.
24783
24784 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
24785
24786         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
24787         (movdf_internal): Ditto.
24788         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
24789         SFmode and DFmode constants.
24790         (ia64_print_operand): Add 'G' format for printing
24791         floating point constants.
24792
24793 2009-04-24  Richard Guenther  <rguenther@suse.de>
24794
24795         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
24796         from unsigned additions.
24797
24798 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
24799
24800         * c-typeck.c (set_init_index): Allow array designators that are
24801         not integer constant expressions with a pedwarn if pedantic.
24802
24803 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
24804
24805         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
24806         zero if no overlap in nonzero bits between the operands.
24807
24808 2009-04-24  Ian Lance Taylor  <iant@google.com>
24809
24810         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
24811         (record_dead_and_set_regs): Likewise.
24812         * df.h (struct df_mw_hardreg): Change flags field to int.
24813         (struct df_base_ref): Likewise.
24814         (struct df): Change changeable_flags field to int.
24815         * df-scan.c (df_defs_record): Change clobber_flags to int.
24816         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
24817         constants rather than #define macros.
24818         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
24819         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
24820         (enum dwarf_calling_convention): Likewise.
24821         (enum dwarf_line_number_x_ops): Likewise.
24822         (enum dwarf_call_frame_info): Likewise.
24823         (enum dwarf_source_language): Likewise.
24824         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
24825         (add_calling_convention_attribute): Likewise.
24826         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
24827         (combine_comparisons): Change compcode to int.  Add cast to enum type.
24828         * genrecog.c (maybe_both_true_2): Change c to int.
24829         (write_switch): Likewise.  Add cast to enum type.
24830         * gimplify.c (gimplify_omp_for): Handle return values from
24831         gimplify_expr using MIN rather than bitwise or.
24832         (gimplify_expr): Add cast to enum type.
24833         * ipa-prop.c (update_jump_functions_after_inlining): Change
24834         IPA_BOTTOM to IPA_JF_UNKNOWN.
24835         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
24836         Add casts to enum type.
24837         (setup_cover_and_important_classes): Change cl to int.  Add casts
24838         to enum type.
24839         (setup_class_translate): Change cl and mode to int.
24840         (ira_init_once): Change mode to int.
24841         (free_register_move_costs): Likewise.
24842         (setup_prohibited_mode_move_regs): Add casts to enum type.
24843         * langhooks.c (add_builtin_function_common): Rework assertion that
24844         value fits bitfield.
24845         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
24846         * omega.c (omega_do_elimination): Avoid math on enum types.
24847         * optabs.c (expand_vec_shift_expr): Remove casts to int.
24848         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
24849         int local to handle integral_argment value.
24850         * regmove.c (try_auto_increment): Change PUT_MODE to
24851         PUT_REG_NOTE_KIND.
24852         * reload.c (push_secondary_reload): Add casts to enum type.
24853         (secondary_reload_class, find_valid_class): Likewise.
24854         * reload1.c (emit_input_reload_insns): Likewise.
24855         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
24856         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
24857         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
24858         constant.
24859         * tree.c (build_common_builtin_nodes): Add casts to enum type.
24860         * tree-complex.c (complex_lattice_t): Typedef to int rather than
24861         enum type.
24862         (expand_complex_libcall): Add casts to enum type.
24863         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
24864         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
24865         with ERROR_MARK, not NUM_TREE_CODES.
24866         (vect_create_epilog_for_reduction): Likewise.
24867         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
24868         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
24869         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
24870         enum machine_mode.
24871         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
24872         vect_unused_in_loop.  Change 0 to loop_vect.
24873         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
24874         * var-tracking.c (get_init_value): Change return type to enum
24875         var_init_status.
24876         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
24877         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
24878         arm_fp_model.
24879         (arm_override_options): Add casts to enum type.
24880         (arm_emit_tls_decoration): Likewise.
24881         * config/i386/i386.c (ix86_function_specific_restore): Add casts
24882         to enum type.
24883         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
24884         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
24885         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
24886         enum type.
24887         * config/s390/s390.c (code_for_builtin_64): Change to array of
24888         enum insn_code.
24889         (code_for_builtin_31): Likewise.
24890         (s390_expand_builtin): Change code_for_builtin to enum insn_code
24891         const *.
24892         * config/sparc/sparc.c (sparc_override_options): Change value
24893         field in struct code_model to enum cmodel.  In initializer change
24894         0 to NULL and add cast to enum type.
24895
24896         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
24897         Change all callers.  Issue a -Wc++-compat warning using
24898         lhs_origtype if necessary.
24899         (convert_for_assignment): Issue -Wc++-compat warnings about
24900         invalid conversions to enum type on assignment.
24901         * c-common.h (build_modify_expr): Update declaration.
24902
24903 2009-04-24  Nick Clifton  <nickc@redhat.com>
24904
24905         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
24906         (function_arg_advance): Likewise.
24907         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
24908         5th alternative.
24909
24910 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
24911
24912         * config/s390/constraints.md ('I', 'J'): Fix condition.
24913
24914 2009-04-24  Diego Novillo  <dnovillo@google.com>
24915
24916         * gengtype-parse.c (parse_error): Add newline after message.
24917
24918 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
24919
24920         * config/i386/sse.md (avxmodesuffixs): Removed.
24921         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
24922         (*avx_pinsr<ssevecsize>): This.
24923
24924 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
24925
24926         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
24927         follow chains of regs with a single definition, and allow expressions
24928         that are function_invariant_p.
24929         (simple_rhs_p): Allow expressions that are function_invariant_p.
24930
24931 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
24932
24933         PR middle-end/39867
24934         * fold-const.c (fold_cond_expr_with_comparison): When folding
24935         > and >= to MAX, make sure the MAX uses the same type as the
24936         comparison's operands.
24937
24938 2009-04-24  Nick Clifton  <nickc@redhat.com>
24939
24940         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
24941         addressing for DImode accesses.
24942         (frv_print_operand_address): Handle PLUS case.
24943         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
24944
24945 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
24946
24947         PR rtl-optimization/39794
24948         * alias.c (canon_true_dependence): Add x_addr argument.
24949         * rtl.h (canon_true_dependence): Adjust prototype.
24950         * cse.c (check_dependence): Adjust canon_true_dependence callers.
24951         * cselib.c (cselib_invalidate_mem): Likewise.
24952         * gcse.c (compute_transp): Likewise.
24953         * dse.c (scan_reads_nospill): Likewise.
24954         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
24955         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
24956         canon_base_addr of the group, plus optional offset.
24957         (struct group_info): Rename canon_base_mem to
24958         canon_base_addr.
24959         (get_group_info): Set canon_base_addr to canon_rtx of base, not
24960         canon_rtx of base_mem.
24961
24962 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
24963
24964         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
24965         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
24966
24967 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
24968
24969         * config/spu/spu-builtins.h: Delete file.
24970
24971         * config/spu/spu.h (enum spu_builtin_type): Move here from
24972         spu-builtins.h.
24973         (struct spu_builtin_description): Likewise.  Add GTY marker.
24974         Do not use enum spu_function_code or enum insn_code.
24975         (spu_builtins): Add extern declaration.
24976
24977         * config/spu/spu.c: Do not include "spu-builtins.h".
24978         (enum spu_function_code, enum spu_builtin_type_index,
24979         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
24980         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
24981         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
24982         unsigned_V2DI_type_node): Move here from spu-builtins.h.
24983         (spu_builtin_types): Make static.  Add GTY marker.
24984         (spu_builtins): Add extern declaration with GTY marker.
24985         Include "gt-spu.h".
24986
24987         * config/spu/spu-c.c: Do not include "spu-builtins.h".
24988         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
24989         Check programmatically whether all parameters are scalar.
24990
24991         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
24992
24993 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
24994
24995         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
24996         assignment from the constructor either if the target is volatile.
24997
24998 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
24999
25000         * config/arm/arm.md (insv): Do not share operands[0].
25001
25002 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
25003
25004         * config/vxlib-tls.c (active_tls_threads): Delete.
25005         (delete_hook_installed): New.
25006         (tls_delete_hook): Don't delete the delete hook.
25007         (tls_destructor): Delete it here.
25008         (__gthread_set_specific): Adjust installing the delete hook.
25009         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
25010         __gthread_leave_tsd_dtor_context.
25011
25012 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
25013
25014         * c-format.c (gcc_tdiag_char_table): Add support for %E.
25015
25016 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
25017
25018         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
25019         enum type.
25020         (alpha_rtx_costs): Ditto.
25021         (emit_unlikely_jump): Use add_reg_note.
25022         (emit_frame_store_1): Ditto.
25023         (alpha_expand_prologue): Ditto.
25024         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
25025         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
25026
25027 2009-04-23  Nick Clifton  <nickc@redhat.com>
25028
25029         * config/v850/v850.md (epilogue): Remove suppressed code.
25030         (return): Rename to return_simple and remove test of frame size.
25031         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
25032         to gen_return_simple.
25033
25034 2009-04-22  Jing Yu  <jingyu@google.com>
25035
25036         PR testsuite/39781
25037         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
25038
25039 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
25040
25041         PR C/31499
25042         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
25043         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
25044         value is a VECTOR_CST, the element type is the element type of the
25045         vector.
25046
25047 2009-04-22  DJ Delorie  <dj@redhat.com>
25048
25049         * config/m32c/m32c.h: Update GTY annotations to new syntax.
25050
25051 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
25052
25053         * alias.c (find_base_term): Move around LO_SUM case, so that
25054         CONST falls through into PLUS/MINUS handling.
25055
25056         PR c/39855
25057         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
25058         into 0, use omit_one_operand.
25059
25060 2009-04-23  Ben Elliston  <bje@au.ibm.com>
25061
25062         * config/rs6000/linux-unwind.h (get_regs): Remove type
25063         puns. Change the type of `pc' to an array of unsigned ints and
25064         update all users.  Constify frame24.
25065
25066 2009-04-22  DJ Delorie  <dj@redhat.com>
25067
25068         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
25069         declarations before code.
25070         (current_function_special_page_vector): Likewise.
25071         (m32c_expand_insv): Silence a warning.
25072
25073 2009-04-21  Taras Glek  <tglek@mozilla.com>
25074
25075         * alias.c: Update GTY annotations to new syntax.
25076         * basic-block.h: Likewise.
25077         * bitmap.h: Likewise.
25078         * c-common.h: Likewise.
25079         * c-decl.c: Likewise.
25080         * c-parser.c: Likewise.
25081         * c-pragma.c: Likewise.
25082         * c-tree.h: Likewise.
25083         * cfgloop.h: Likewise.
25084         * cgraph.h: Likewise.
25085         * config/alpha/alpha.c: Likewise.
25086         * config/arm/arm.h: Likewise.
25087         * config/avr/avr.h: Likewise.
25088         * config/bfin/bfin.c: Likewise.
25089         * config/cris/cris.c: Likewise.
25090         * config/darwin.c: Likewise.
25091         * config/frv/frv.c: Likewise.
25092         * config/i386/i386.c: Likewise.
25093         * config/i386/i386.h: Likewise.
25094         * config/i386/winnt.c: Likewise.
25095         * config/ia64/ia64.h: Likewise.
25096         * config/iq2000/iq2000.c: Likewise.
25097         * config/mips/mips.c: Likewise.
25098         * config/mmix/mmix.h: Likewise.
25099         * config/pa/pa.c: Likewise.
25100         * config/pa/pa.h: Likewise.
25101         * config/rs6000/rs6000.c: Likewise.
25102         * config/s390/s390.c: Likewise.
25103         * config/sparc/sparc.c: Likewise.
25104         * config/xtensa/xtensa.c: Likewise.
25105         * cselib.h: Likewise.
25106         * dbxout.c: Likewise.
25107         * dwarf2out.c: Likewise.
25108         * except.c: Likewise.
25109         * except.h: Likewise.
25110         * fixed-value.h: Likewise.
25111         * function.c: Likewise.
25112         * function.h: Likewise.
25113         * gimple.h: Likewise.
25114         * integrate.c: Likewise.
25115         * optabs.c: Likewise.
25116         * output.h: Likewise.
25117         * real.h: Likewise.
25118         * rtl.h: Likewise.
25119         * stringpool.c: Likewise.
25120         * tree-data-ref.c: Likewise.
25121         * tree-flow.h: Likewise.
25122         * tree-scalar-evolution.c: Likewise.
25123         * tree-ssa-address.c: Likewise.
25124         * tree-ssa-alias.h: Likewise.
25125         * tree-ssa-operands.h: Likewise.
25126         * tree.c: Likewise.
25127         * tree.h: Likewise.
25128         * varasm.c: Likewise.
25129         * varray.h: Likewise.
25130         * vec.h: Likewise.
25131         * coretypes.h: Do not define GTY macro if it is already defined.
25132         * doc/gty.texi: Update GTY documentation to new syntax.
25133         * gengtype-lex.l: Enforce attribute-like syntax for GTY
25134         annotations on structs.
25135         * gengtype-parse.c: Likewise.
25136
25137 2009-04-22  Mark Heffernan  <meheff@google.com>
25138
25139         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
25140
25141 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
25142
25143         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
25144         where appropriate.
25145
25146 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
25147
25148         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
25149         the same as a PLUS without a shift.  Increase the cost of a
25150         CONST_INT in MULT.
25151
25152 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25153
25154         * Makefile.in: Update dependencies.
25155         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
25156         * errors.h: Remove bogus comment about compatibility.
25157         (warning): Update declaration.
25158         * genautomata.c: Update all calls to warning.
25159         * gimple.c: Do not include errors.h. Include toplev.h.
25160         * tree-ssa-structalias.c: Do not include errors.h.
25161         * omega.c: Likewise.
25162         * tree-ssa-reassoc.c: Likewise.
25163         * config/spu/spu-c.c: Likewise.
25164         * config/spu/t-spu-elf: Update dependencies.
25165
25166 2009-04-22  Richard Guenther  <rguenther@suse.de>
25167
25168         PR tree-optimization/39824
25169         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
25170         make sure the types are compatible.
25171
25172 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25173
25174         PR c++/14875
25175         * c-common.c (c_parse_error): Take a token_flags parameter.
25176         Use token_type for the token type instead.
25177         Pass token_flags to cpp_type2name.
25178         * c-common.h (c_parse_error): Update declaration.
25179         * c-parser.c (c_parser_error): Pass 0 as token flags.
25180
25181 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
25182
25183         PR rtl-optimization/39580
25184         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
25185
25186 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
25187
25188         * function.c (expand_function_end): Do not emit a jump to the "naked"
25189         return label for fall-through returns.
25190         * except.c (sjlj_emit_function_exit): Always place the call to the
25191         unregister function at the location installed by expand_function_end.
25192
25193 2009-04-22  Richard Guenther  <rguenther@suse.de>
25194
25195         PR tree-optimization/39845
25196         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
25197         (gen_inbound_check): Likewise.
25198
25199 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
25200
25201         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
25202         padding for PPC.
25203         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
25204         * config/vxlib.c (__gthread_once): Add race guard for PPC.
25205
25206 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
25207
25208         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
25209         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
25210         shift counts to avoid out-of-bounds array accesses.
25211
25212 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
25213
25214         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
25215         (Pmode): Move above.
25216
25217 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
25218
25219         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
25220         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
25221         GET_CODE macro.  Use IN_RANGE macro where appropriate.
25222         * config/alpha/alpha.h: Ditto.
25223         * config/alpha/alpha.md: Ditto.
25224         * config/alpha/constraints.md: Ditto.
25225         * config/alpha/predicates.md: Ditto.
25226
25227 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
25228
25229         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
25230         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25231         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25232         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25233         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25234         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25235         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25236         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25237         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25238         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25239         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25240         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25241         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25242         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25243         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25244         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25245         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25246         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25247         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25248         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25249         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25250         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25251         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25252         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25253         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25254         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25255         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25256
25257 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
25258
25259         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
25260         references from comments.
25261         * cfgbuild.c (count_basic_blocks): Delete.
25262         (find_basic_blocks_1): Delete.
25263         (find_basic_blocks): Delete.
25264         * except.c (finish_eh_generation): Make static.  Move comment from
25265         except.h here.  Remove find_basic_blocks references from comments.
25266         * except.h (finish_eh_generation): Delete.
25267         * basic-block.h (find_basic_blocks): Delete.
25268         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
25269
25270 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
25271
25272         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
25273         (sdbout_parms):  Likewise.
25274
25275 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
25276
25277         * config/sh/sh.c (prepare_cbranch_operands): Use
25278         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
25279         (expand_cbranchdi4): Likewise.
25280         (from_compare): Add cast to enum type.
25281         (expand_cbranchsi4): Use add_reg_note.
25282         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
25283         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
25284         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
25285         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
25286         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
25287         instead of CODE_FOR_nothing.
25288         (cbranchdi4): Likewise.  Fix the order of arguments for
25289         gen_rtx_fmt_ee.
25290         (push_fpscr): Use add_reg_note.
25291         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
25292         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
25293
25294 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
25295
25296         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
25297         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
25298         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
25299         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
25300         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
25301         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
25302         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
25303         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
25304         config/alpha/x-vms, config/arc/t-arc,
25305         config/arm/README-interworking, config/arm/arm-c.c,
25306         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
25307         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
25308         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
25309         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
25310         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
25311         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
25312         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
25313         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
25314         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
25315         config/cris/t-elfmulti, config/crx/t-crx,
25316         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
25317         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
25318         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
25319         config/h8300/t-h8300, config/i386/athlon.md,
25320         config/i386/darwin-libgcc.10.4.ver,
25321         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
25322         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
25323         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
25324         config/i386/t-linux64, config/i386/t-nwld,
25325         config/i386/t-rtems-i386, config/i386/t-sol2-10,
25326         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
25327         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
25328         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
25329         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
25330         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
25331         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
25332         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
25333         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
25334         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
25335         config/m68k/t-uclinux, config/mcore/t-mcore,
25336         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
25337         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
25338         config/mips/crtn.asm, config/mips/irix-crti.asm,
25339         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
25340         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
25341         config/mips/mips-fixed.md, config/mips/sb1.md,
25342         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
25343         config/mips/t-iris6, config/mips/t-isa3264,
25344         config/mips/t-libgcc-mips16, config/mips/t-linux64,
25345         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
25346         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
25347         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
25348         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
25349         config/mn10300/t-linux, config/mn10300/t-mn10300,
25350         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
25351         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
25352         config/picochip/libgccExtras/clzsi2.asm,
25353         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
25354         config/rs6000/darwin-libgcc.10.4.ver,
25355         config/rs6000/darwin-libgcc.10.5.ver,
25356         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
25357         config/rs6000/t-aix43, config/rs6000/t-aix52,
25358         config/rs6000/t-darwin, config/rs6000/t-fprules,
25359         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
25360         config/rs6000/t-lynx, config/rs6000/t-netbsd,
25361         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
25362         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
25363         config/rs6000/t-rtems, config/rs6000/t-spe,
25364         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
25365         config/score/t-score-elf, config/sh/divcost-analysis,
25366         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
25367         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
25368         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
25369         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
25370         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
25371         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
25372         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
25373         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
25374         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
25375         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
25376         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
25377         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
25378         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
25379         limitx.h, version.c, xcoff.h: Add copyright and license notices.
25380         * config/h8300/genmova.sh: Include copyright and license notices
25381         in generated output.
25382         * config/h8300/mova.md: Regenerate.
25383         * doc/install.texi2html: Include word "Copyright" in copyright
25384         notice and use name "Free Software Foundation, Inc.".
25385         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
25386         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
25387         ChangeLog-2007, ChangeLog-2008: Correct dates.
25388
25389 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
25390
25391         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
25392         NE_EXPR operations as well.
25393         * c-parser.c (c_parser_condition): Do not set location information on
25394         the condition.
25395         (c_parser_conditional_expression): Likewise.
25396         (c_parser_binary_expression): Set location information on operators.
25397         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
25398         TRUTH_NOT_EXPR has been folded.
25399         * fold-const.c (fold_truth_not_expr): Copy location information from
25400         the incoming expression to the outgoing one.
25401         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
25402         recursive calls on the LHS of the operator but pass that of the
25403         operator to recursive calls on the RHS of the operator.  Set it
25404         on the COND_EXPR.
25405         (shortcut_cond_expr): Set the locus of the operator on the second
25406         COND_EXPR and that of the expression on the first in degenerate cases.
25407         Pass the locus of the expression to calls to shortcut_cond_r.
25408         Set the locus of the 'then' block on the associated jump, if any.
25409         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
25410         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
25411         expression to call to gimplify_boolean_expr.
25412
25413 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
25414
25415         * config.gcc: Add additional configuration for
25416         i686-w64-mingw* and x86_64-w64-mingw* triplet.
25417         * config/i386/mingw-w64.h: New mingw-w64 specific header.
25418         (CPP_SPEC): Redefine for allowing -municode option.
25419         (STARTFILE_SPEC): Likewise.
25420         * config/i386/t-mingw-w64: New.
25421         * config/i386/mingw-w64.opt: New.
25422         (municode): Add new target option.
25423         * doc/invoke.texi (municode): Add documentation for new option.
25424
25425 2009-04-21  Ian Lance Taylor  <iant@google.com>
25426
25427         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
25428         Correct test for number of arguments.
25429         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
25430
25431 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
25432
25433         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
25434         argument of emit_library_call.
25435
25436 2009-04-21  Richard Guenther  <rguenther@suse.de>
25437
25438         PR middle-end/39829
25439         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
25440         inside VIEW_CONVERT_EXPRs.
25441
25442 2009-04-21  Martin Jambor  <mjambor@suse.cz>
25443
25444         * tree-switch-conversion.c (build_constructors): Split a long line.
25445         (constructor_contains_same_values_p): New function.
25446         (build_one_array): Create assigns of constants if possible, do not
25447         call mark_sym_for_renaming, call update_stmt.
25448         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
25449         make_rename_temp.  Do not call mark_symbols_for_renaming, call
25450         update_stmt.
25451         (gen_def_assigns): Do not call mark_symbols_for_renaming or
25452         find_new_referenced_vars, call update_stmt.
25453         (gen_inbound_check): Use create_tmp_var and create ssa names manually
25454         instead of calling make_rename_temp.  Do not call
25455         find_new_referenced_vars or mark_symbols_for_renaming, call
25456         update_stmt.
25457
25458 2009-04-21  Richard Guenther  <rguenther@suse.de>
25459
25460         PR tree-optimization/39827
25461         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
25462         (tree_ssa_phiprop): Pass the correct array size.
25463
25464 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
25465
25466         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
25467
25468 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25469
25470         PR 16202
25471         * c-typeck.c (lvalue_p): Move declaration ...
25472         * c-common.h (lvalue_p): ... to here.
25473         * c-common.c (candidate_equal_p): New.
25474         (add_tlist): Use it.
25475         (merge_tlist): Use it.
25476         (warn_for_collisions_1): Likewise.
25477         (warning_candidate_p): Accept more candidates.
25478         (verify_tree): A warning candidate can be an expression. Use
25479         candidate_equal_p.
25480
25481 2009-04-21  Ben Elliston  <bje@au.ibm.com>
25482
25483         PR target/5267
25484         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
25485         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
25486         options.  Remove -mcall-solaris documentation.
25487
25488 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25489
25490         PR c++/13358
25491         * doc/invoke.texi (-Wlong-long): Update description.
25492         * c-lex (interpret_integer): Only warn if there was no previous
25493         overflow and -Wlong-long is enabled.
25494         * c-decl.c (declspecs_add_type): Drop redundant flags.
25495         * c.opt (Wlong-long): Init to -1.
25496         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
25497         and front-end warn_long_long. Wlong-long only depends on other
25498         flags if it is uninitialized.
25499         * c-parser.c (disable_extension_diagnostics): warn_long_long is
25500         the same for CPP and FE.
25501         (restore_extension_diagnostics): Likewise.
25502
25503 2009-04-20  Ian Lance Taylor  <iant@google.com>
25504
25505         Fix enum conversions which are invalid in C++:
25506         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
25507         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
25508         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
25509         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
25510         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
25511         (dbxout_parms): Likewise.
25512         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
25513         (df_clear_flags): Likewise.
25514         * df-problems.c (df_rd_bb_local_compute_process_def): Change
25515         top_flag parameter to int.
25516         (df_chain_create_bb_process_use): Likewise.
25517         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
25518         Remove cast.
25519         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
25520         (df_ref_create_structure, df_def_record_1): Likewise.
25521         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
25522         (df_notes_rescan): Change 0 to VOIDmode in function call.
25523         (df_get_call_refs, df_insn_refs_collect): Likewise.
25524         (df_bb_regs_collect): Likewise.
25525         (df_entry_block_defs_collect): Likewise.
25526         (df_exit_block_uses_collect): Likewise.
25527         * df.h: Update declarations.
25528         * double-int.c (double_int_divmod): Add cast to enum type.
25529         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
25530         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
25531         (based_loc_descr): Likewise.
25532         (loc_descriptor_from_tree_1): Change first_op and second_op to
25533         enum dwarf_location_atom.  Add cast to enum type.
25534         * expmed.c (init_expmed): Change 0 to SET in function call.
25535         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
25536         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
25537         (do_store_flag): Likewise.
25538         * fixed-value.h (struct fixed_value): Change mode to enum
25539         machine_mode.
25540         * function.c (assign_parms): Change 0 to VOIDmode in function call.
25541         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
25542         function call.
25543         (insert_insn_decl, insert_decl, insert_state): Likewise.
25544         (automata_list_finish): Likewise.
25545         * genrecog.c (process_define_predicate): Add cast to enum type.
25546         * gensupport.c (init_predicate_table): Add cast to enum type.
25547         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
25548         function call.
25549         (gimple_build_call_1, gimple_build_label): Likewise.
25550         (gimple_build_goto, gimple_build_asm_1): Likewise.
25551         (gimple_build_switch_1, gimple_build_cdt): Likewise.
25552         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
25553         (enum fallback): Rename from enum fallback_t.
25554         (fallback_t): Typedef as int.
25555         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
25556         GSI_SAME_STMT in function call.
25557         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
25558         enum type.
25559         (setup_reg_class_relations): Likewise.
25560         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
25561         (setup_prohibited_class_mode_regs): Add cast to enum type.
25562         (setup_prohibited_mode_move_regs): Likewise.
25563         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
25564         (record_address_regs): Change i to enum reg_class.
25565         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
25566         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
25567         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
25568         (GET_MODE_2XWIDER_MODE): Likewise.
25569         (GET_CLASS_NARROWEST_MODE): Likewise.
25570         * omp-low.c (expand_omp_for): Add cast to enum type.
25571         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
25572         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
25573         * postreload.c (reload_cse_simplify_operands): Change rclass local
25574         to enum reg_class.
25575         * predict.c (combine_predictions_for_insn): Change best_predictor
25576         and predictor to enum br_predictor.
25577         (combine_predictions_for_bb): Likewise.
25578         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
25579         use SET_PREDICT_EXPR_OUTCOME.
25580         * real.c (real_arithmetic): Change icode to code in function call.
25581         * reginfo.c (init_move_cost): Add casts to enum type.
25582         (init_reg_sets_1, init_fake_stack_mems): Likewise.
25583         * regmove.c (regclass_compatible_p): Change class0 and class1 to
25584         enum reg_class.
25585         * reload.c (find_valid_class): Add casts to enum type.
25586         (push_reload): Change 0 to NO_REGS in function call.
25587         (find_reloads): Change this_alternative to array of enum
25588         reg_class.  Remove some now-unnecessary casts.
25589         (make_memloc): Change 0 to VOIDmode in function call.
25590         * reload1.c (reload): Change 0 to VOIDmode in function call.
25591         (eliminate_regs_1, elimination_effects): Likewise.
25592         (eliminate_regs_in_insn): Likewise.
25593         (emit_input_reload_insns): Add cast to enum type.
25594         (delete_output_reload): Change 0 to VOIDmode in function call.
25595         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
25596         to enum type in function call.
25597         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
25598         (SET_PREDICT_EXPR_OUTCOME): Define.
25599         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
25600         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
25601         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
25602         (dump_function): Likewise.
25603         * tree-dump.h: Update declarations.
25604         * tree-pass.h: Update declarations.
25605         * varasm.c (assemble_integer): Change mclass to enum mode_class.
25606         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
25607         enum type.
25608         (arm_rtx_costs_1): Correct parenthesization.
25609         (arm_rtx_costs): Add casts to enum type.
25610         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
25611         (vfp_emit_fstmd): Use add_rg_note.
25612         (emit_multi_reg_push, emit_sfm): Likewise.
25613         (thumb_set_frame_pointer): Likewise.
25614         (arm_expand_prologue): Likewise.
25615         (arm_regno_class): Change return type to enum reg_class.
25616         (thumb1_expand_prologue): Use add_reg_note.
25617         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
25618         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
25619         in function call.
25620         * config/arm/gentune.sh: Add cast to enum type.
25621         * config/arm/arm-tune.md: Rebuild.
25622         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
25623         (ix86_split_fp_branch, predict_jump): Likewise.
25624         (ix86_expand_multi_arg_builtin): Change sub_code from enum
25625         insn_code to enum rtx_code.
25626         (ix86_builtin_vectorized_function): Add cast to enum type.
25627         * config/i386/i386.md (truncdfsf2): Change slot to enum
25628         ix86_stack_slot.
25629         (truncxf<mode>2, isinf<mode>2): Likewise.
25630         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
25631         enum type.
25632         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
25633         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
25634         (insert_bundle_state): Change 1 to INSERT in function call.
25635         (ia64_add_bundle_selector_before): Likewise.
25636         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
25637         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
25638         (restore_stack_nonlocal): Likewise.
25639         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
25640         function call.
25641         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
25642         function call.
25643         (mips_rtx_costs): Likewise.
25644         (mips_override_options): Add casts to enum type.
25645         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
25646         in function call.
25647         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
25648         (store_reg, set_reg_plus_d): Likewise.
25649         (hppa_expand_prologue, hppa_profile_hook): Likewise.
25650         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
25651         cast to enum type.
25652         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
25653         function call.
25654         (emit_unlikely_jump): Use add_reg_note.
25655         (rs6000_emit_allocate_stack): Likewise.
25656         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
25657         (output_toc): Change 1 to INSERT in function call.
25658         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
25659         (rs6000_initialize_trampoline): Likewise.
25660         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
25661         function call.
25662         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
25663         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
25664         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
25665         (save_gprs): Use add_reg_note.
25666         (s390_emit_prologue): Likewise.
25667         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
25668         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
25669         (sparc_fold_builtin): Add cast to enum type.
25670         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
25671         enum insn_code.
25672         (spu_expand_prologue): Use add_reg_note.
25673         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
25674
25675 2009-04-20  Ian Lance Taylor  <iant@google.com>
25676
25677         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
25678         (c_parser_postfix_expression_after_primary): Get VEC for list of
25679         arguments.  Get original types of arguments.  Call
25680         build_function_call_vec.
25681         (cached_expr_list_1, cached_expr_list_2): New static variables.
25682         (c_parser_expr_list): Change return type to VEC *.  Add
25683         p_orig_types parameter.  Change all callers.
25684         (c_parser_release_expr): New static function.
25685         (c_parser_vec_to_tree_list): New static function.
25686         * c-typeck.c (build_function_call): Rewrite to build a VEC and
25687         call build_function_call_vec.
25688         (build_function_call_vec): New function, based on old
25689         build_function_call.
25690         (convert_arguments): Remove nargs and argarray parameters.  Change
25691         values to a VEC.  Add origtypes parameter.
25692         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
25693         (convert_for_assignment): Add origtype parameter.  Change all
25694         callers.  If warn_cxx_compat, check for conversion to an enum
25695         type when calling a function.
25696         (store_init_value): Add origtype parameter.  Change all callers.
25697         (digest_init): Likewise.
25698         (struct init_node): Add origtype field.
25699         (add_pending_init): Add origtype parameter.  Change all callers.
25700         (output_init_element): Likewise.
25701         (output_pending_init_elements): Pass origtype from init_node to
25702         output_init_element.
25703         (process_init_element): Pass origtype from c_expr to
25704         output_init_element.
25705         (c_finish_return): Add origtype parameter.  Change all callers.
25706         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
25707         caller.
25708         (sync_resolve_params): Likewise.
25709         (sync_resolve_return): Change params to first_param.  Change caller.
25710         (resolve_overloaded_builtins): Change params to VEC *.  Change
25711         callers.  Save first parameter around call to build_function_call_vec.
25712         * c-decl.c (finish_decl): Add origtype parameter.  Change all
25713         callers.  Call build_function_call_vec rather than
25714         build_function_call for cleanup.
25715         * c-tree.h: Update declarations.
25716         * c-common.h: Update declarations.
25717         * stub-objc.c (objc_rewrite_function_call): Change parameter from
25718         params to first_param.
25719         * target.h (struct gcc_target): Change resolve_overloaded_builtin
25720         params parameter from tree to void *.
25721         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
25722         Change arglist parameter to have type void *, and to be a pointer
25723         to a VEC.
25724         * config/rs6000/rs6000-protos.h
25725         (altivec_resolve_overloaded_builtin): Update declaration.
25726         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
25727         fnargs parameter to have type void *, and to be a pointer to a
25728         VEC.  Call build_function_call_vec instead of
25729         build_function_call.
25730         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
25731
25732 2009-04-20  Joey Ye  <joey.ye@intel.com>
25733             Xuepeng Guo  <xuepeng.guo@intel.com>
25734             H.J. Lu  <hongjiu.lu@intel.com>
25735
25736         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
25737
25738         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
25739         (IX86_LEA_PRIORITY): Likewise.
25740         (distance_non_agu_define): New function.
25741         (distance_agu_use): Likewise.
25742         (ix86_lea_for_add_ok): Likewise.
25743         (ix86_dep_by_shift_count): Likewise.
25744
25745         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
25746         should split for LEA.
25747
25748         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
25749         function.
25750         (ix86_dep_by_shift_count): Likewise.
25751
25752 2009-04-20  Richard Guenther  <rguenther@suse.de>
25753
25754         * expr.c (handled_component_p): Move ...
25755         * tree.h (handled_component_p): ... here.
25756         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
25757         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
25758         and REALPART_EXPR to be in one group.
25759
25760 2009-04-20  Richard Guenther  <rguenther@suse.de>
25761
25762         * basic-block.h (get_all_dominated_blocks): Declare.
25763         * dominance.c (get_all_dominated_blocks): New function.
25764         * tree-cfg.c (get_all_dominated_blocks): Remove.
25765         (remove_edge_and_dominated_blocks): Adjust.
25766         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
25767         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
25768         instead of recursing.
25769
25770 2009-04-20  Doug Kwan  <dougkwan@google.com>
25771
25772         * cgraph.h (cgraph_node_ptr): New type for vector functions.
25773         (struct cgraph_node_set_def): New type.
25774         (cgraph_node_set) New type. Also declare vector functions.
25775         (struct cgraph_node_set_element_def): New type.
25776         (cgraph_node_set_element): Ditto.
25777         (cgraph_node_set_iterator): New iterator type.
25778         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
25779         cgraph_node_set_remove, dump_cgraph_node_set,
25780         debug_cgraph_node_set): New prototypes.
25781         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
25782         cgraph_node_set_size): New inlines.
25783         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
25784         including cgraph.h.
25785         (struct ipa_opt_pass): Add struct cgraph_node_set_def
25786         argument to function 'write_summary'.
25787         * ipa.c: Include ggc.h.
25788         (hash_cgraph_node_set_element,
25789         eq_cgraph_node_set_element, cgraph_node_set_new,
25790         cgraph_node_set_add, cgraph_node_set_remove,
25791         cgraph_node_set_find, dump_cgraph_node_set,
25792         debug_cgraph_node_set): New functions.
25793         * Makefile.in (ipa.o): Add dependency on GGC_H.
25794
25795 2009-04-20  Ira Rosen  <irar@il.ibm.com>
25796
25797         PR tree-optimization/39675
25798         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
25799         check of the return code of vect_schedule_slp. Check that
25800         stmt_vec_info still exists for the statement, before checking its
25801         vectorization type.
25802
25803 2009-04-20  Michael Matz  <matz@suse.de>
25804
25805         * Makefile.in (generated_files): Take out $(simple_generated_c).
25806
25807 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
25808
25809         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
25810         (UINTPTR_TYPE):  Likewise.
25811
25812 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
25813
25814         PR c/37481
25815         * c-typeck.c (digest_init): Check for initializing an array with a
25816         string literal.
25817
25818 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
25819
25820         PR c/19771
25821         * c-semantics.c (pop_stmt_list): Propagate
25822         STATEMENT_LIST_HAS_LABEL to parent statement list.
25823
25824 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
25825
25826         * config/mips/mips.h (mips_tune_attr): New macro.
25827         * config/mips/mips.md (cpu): Use it.
25828
25829 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
25830
25831         PR c/38243
25832         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
25833         declaring a tag.
25834
25835 2009-04-19  Diego Novillo  <dnovillo@google.com>
25836
25837         * toplev.c (compile_file): Move call to coverage_finish ...
25838         * cgraphunit.c (ipa_passes): ... here.
25839         Call cgraph_process_new_functions.
25840         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
25841         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
25842
25843 2009-04-19  Jan Hubicka  <jh@suse.cz>
25844
25845         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
25846         cfun.
25847         (dump_cgraph_node): Dump can throw external flag.
25848         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
25849
25850 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25851
25852         PR c/32061
25853         PR c++/36954
25854         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
25855         * common.opt (Wlogical-op): Move from here...
25856         * c.opt (Wlogical-op): ... to here.
25857         * c-typeck.c (parser_build_binary_op): Update call to
25858         warn_logical_operator.
25859         * c-opts.c (c_common_post_options): Enable warn_logical_op with
25860         extra_warnings.
25861         * c-common.c (warn_logical_op): Update.
25862         * c-common.h (warn_logical_op): Update declaration.
25863
25864 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
25865
25866         * tree.c (protected_set_expr_location): Fix formatting.
25867
25868 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
25869
25870         PR c/27676
25871         * c-typeck.c (readonly_warning): new.
25872         (build_unary_op, build_modify_expr): Use readonly_warning for
25873         storing into something readonly but not const-qualified.
25874
25875 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
25876
25877         PR c/22367
25878         * c-typeck.c (build_unary_op): Check for taking address of
25879         expression of type void.
25880
25881 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
25882
25883         PR c/35210
25884         * c-typeck.c (build_function_call): Check for calling a function
25885         with qualified void return types.  Call require_complete_type when
25886         generating a trap.
25887
25888 2009-04-18  Jan Hubicka  <jh@suse.cz>
25889
25890         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
25891         Set nothrow flag.
25892         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
25893         can_throw_external flag.
25894         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
25895         * ipa-pure-const.c (ignore_edge): New function.
25896         (propagate): Compute order for NOTHROW computation; set NOTHROWs
25897         only over can_throw_external edges.
25898         (local_pure_const): Add nothrow flag.
25899         * ipa-utils.c (searchc): Add ignore_edge callback.
25900         (ipa_utils_reduced_inorder): Add ignore_edge callback.
25901         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
25902         (set_nothrow_function_flags): Update cgraph.
25903         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
25904
25905 2009-04-18  Richard Guenther  <rguenther@suse.de>
25906
25907         PR middle-end/39804
25908         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
25909         (fold_stmt): ... this and ...
25910         (fold_stmt_inplace): ... this.
25911         (fold_stmt_1): Fold references in calls and asms.
25912         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
25913
25914 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25915
25916         * tree-vrp.c (ssa_name_nonzero_p): Remove.
25917         * tree.h: Remove the prototype for ssa_name_nonzero_p.
25918
25919 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25920
25921         * tree.c (function_args_count): Remove.
25922         * tree.h: Remove the prototype for function_args_count.
25923
25924 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25925
25926         * tree-iterator.c (expr_only): Remove.
25927         * tree.h: Remove the prototype for expr_only.
25928
25929 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25930
25931         * reginfo.c (cannot_change_mode_set_regs): Remove.
25932         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
25933
25934 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
25935
25936         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
25937         whether operands 0 and 1 overlaps.
25938
25939 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25940
25941         PR middle-end/36902
25942         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
25943         pointer. Use warning_at instead of warning.
25944         (search_for_addr_array): Likewise.
25945         (check_array_bounds): Likewise.
25946         (check_all_array_refs): Check that the incoming edge is not in the
25947         list of edges to be removed.
25948         (check_all_array_refs): Avoid the temporal pointer.
25949         (vrp_visit_cond_stmt): Fix typo.
25950         (simplify_switch_using_ranges): Handle the case where the switch
25951         index is an integer constant.
25952
25953 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
25954
25955         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
25956
25957 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25958
25959         * doc/extend.texi, doc/invoke.texi: Fix typos.
25960
25961 2009-04-17  Cary Coutant  <ccoutant@google.com>
25962
25963         * tree-flow-inline.h (get_lineno): Fix inverted test.
25964
25965 2009-04-17  Diego Novillo  <dnovillo@google.com>
25966
25967         * tree-ssa-pre.c (create_expression_by_pieces): Remove
25968         assertion for AVAIL_OUT.
25969
25970 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
25971
25972         PR target/38627
25973         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
25974         * config/sh/linux-atomic.asm: Likewise.
25975
25976 2009-04-17  Diego Novillo  <dnovillo@google.com>
25977
25978         * except.c (debug_eh_tree): New.
25979         (struct eh_region, struct eh_status): Move ...
25980         * except.h: ... here.
25981         (add_type_for_runtime): Declare extern.
25982         (lookup_type_for_runtime): Likewise.
25983         (debug_eh_tree): Declare.
25984         * Makefile.in (GTFILES): List except.h before except.c
25985
25986 2009-04-17  Diego Novillo  <dnovillo@google.com>
25987
25988         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
25989         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
25990         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
25991         (find_vars_r): ... here.
25992         * tree-flow.h (find_referenced_vars_in): Declare.
25993         * tree-ssa-pre.c (create_expression_by_pieces): Assert
25994         that AVAIL_OUT exists for BLOCK.
25995         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
25996         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
25997         (tree-parloops.o): Likewise.
25998
25999 2009-04-17  Simon Baldwin  <simonb@google.com>
26000
26001         * toplev.c (default_tree_printer): Add handling for %E format.
26002
26003 2009-04-17  Diego Novillo  <dnovillo@google.com>
26004
26005         * tree-pretty-print.c (dump_generic_node): Add break after
26006         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
26007         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
26008         FUNCTION_TYPE together.  Call print_struct_decl when printing
26009         structures and TDF_SLIM is not given.
26010         (print_struct_decl): Fix logic for detecting recursion.
26011
26012 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
26013
26014         PR 31567
26015         * gcc.c (create_at_file): New.
26016         (compile_input_file_p): New.
26017         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
26018         * main.c (main): Update call to toplev_main.
26019         * toplev.c (toplev_main): Change signature. Call expandargv.
26020         * toplev.h (toplev_main): Change signature.
26021
26022 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
26023
26024         * dwarf2out.c (field_byte_offset): Use the type size as the field size
26025         if the latter is not constant.
26026
26027 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
26028
26029         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
26030
26031 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
26032
26033         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
26034         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
26035
26036 2009-04-17  Richard Guenther  <rguenther@suse.de>
26037
26038         * tree-ssa-structalias.c (get_constraint_for_component_ref):
26039         Handle component references view-converting an invariant address.
26040
26041 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
26042
26043         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
26044         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
26045         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
26046         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
26047         Use @deftypevr rather than @deftypevar.
26048
26049 2009-04-17  Richard Guenther  <rguenther@suse.de>
26050
26051         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
26052         (get_prop_source_stmt): Likewise.
26053         (can_propagate_from): Likewise.
26054
26055 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
26056
26057         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
26058         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
26059         (--with-multilib-list): Add default value.
26060         * configure: Regenerate.
26061         * Makefile.in (TM_ENDIAN_CONFIG): Define.
26062         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
26063         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
26064         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
26065         Don't add default cpu to multilib list unnecessarily, but do enable
26066         the relevant compiler option..
26067         Add support for --with-multilib-list=<blank> and
26068         --with-multilib-list=!<somelib> to supress unwanted multilibs.
26069         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
26070         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
26071         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
26072         TM_MULTILIB_CONFIG.
26073         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
26074         (MULTILIB_OSDIRNAMES): New variable.
26075         * config/sh/t-1e: Delete file.
26076         * config/sh/t-mlib-sh1: Delete file.
26077         * config/sh/t-mlib-sh2: Delete file.
26078         * config/sh/t-mlib-sh2a: Delete file.
26079         * config/sh/t-mlib-sh2a-nofpu: Delete file.
26080         * config/sh/t-mlib-sh2a-single: Delete file.
26081         * config/sh/t-mlib-sh2a-single-only: Delete file.
26082         * config/sh/t-mlib-sh2e: Delete file.
26083         * config/sh/t-mlib-sh3e: Delete file.
26084         * config/sh/t-mlib-sh4: Delete file.
26085         * config/sh/t-mlib-sh4-nofpu: Delete file.
26086         * config/sh/t-mlib-sh4-single: Delete file.
26087         * config/sh/t-mlib-sh4-single-only: Delete file.
26088         * config/sh/t-mlib-sh4a: Delete file.
26089         * config/sh/t-mlib-sh4a-nofpu: Delete file.
26090         * config/sh/t-mlib-sh4a-single: Delete file.
26091         * config/sh/t-mlib-sh4a-single-only: Delete file.
26092         * config/sh/t-mlib-sh4al: Delete file.
26093         * config/sh/t-mlib-sh5-32media: Delete file.
26094         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
26095         * config/sh/t-mlib-sh5-64media: Delete file.
26096         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
26097         * config/sh/t-mlib-sh5-compact: Delete file.
26098         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
26099         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
26100         * doc/install.texi (Options specification): Add
26101         --with-multilib-list and --with-endian.
26102
26103 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
26104
26105         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
26106         REVISION_c.
26107         (OBJS-common): Add plugin-version.o.
26108         (plugin-version.o): New.
26109         * gcc-plugin.h (plugin_gcc_version): New.
26110         (plugin_default_version_check): New.
26111         (plugin_init_func, plugin_init): Add version argument.
26112         * plugin-version.c: New.
26113         * plugin.c (str_plugin_gcc_version_name): New.
26114         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
26115         pass it to the init function.
26116         (plugin_default_version_check): New.
26117
26118 2009-04-17  Richard Guenther  <rguenther@suse.de>
26119
26120         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
26121         for decl-vs-decl disambiguation.
26122
26123 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
26124
26125         * config/s390/s390.h (s390_tune_attr): New macro definition.
26126         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
26127
26128 2009-04-17  Richard Guenther  <rguenther@suse.de>
26129
26130         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
26131         (fold_stmt_r): Likewise.
26132         (maybe_fold_reference): New function.
26133         (fold_gimple_assign): Handle cases fold_stmt_r did.
26134         (fold_stmt): Do not use fold_stmt_r.
26135         (fold_stmt_inplace): Likewise.
26136
26137 2009-04-17  Richard Guenther  <rguenther@suse.de>
26138
26139         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
26140         (record_equivalences_from_stmt): Remove useless checks and
26141         simplifications.
26142         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
26143         the type is already suitable.
26144
26145 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
26146
26147         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
26148
26149 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
26150
26151         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
26152         (CMPtype): Define as __gcc_CMPtype.
26153
26154 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
26155
26156         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
26157         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
26158
26159 2009-04-17  Richard Guenther  <rguenther@suse.de>
26160
26161         PR tree-optimization/39746
26162         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
26163         special-casing for builtins and static variable use/def.
26164         (call_may_clobber_ref_p_1): Likewise.
26165
26166 2009-04-16  Ian Lance Taylor  <iant@google.com>
26167
26168         * df.h: Include "timevar.h".
26169         (struct df_problem): Change tv_id field to timevar_id_t.
26170         * tree-pass.h: Include "timevar.h".
26171         (struct opt_pass): Change tv_id field to timevar_id_t.
26172         * timevar.h (timevar_id_t): Define TV_NONE.
26173         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
26174         TV_NONE rather than tv_id != 0.
26175         (execute_one_pass): Likewise.
26176         * Makefile.in (DF_H): Add $(TIMEVAR_H).
26177         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
26178         dependencies to $(TREE_PASS_H).
26179         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
26180         to TV_NONE.
26181         (pass_branch_target_load_optimize2): Likewise.
26182         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
26183         (pass_outof_cfg_layout_mode): Likewise.
26184         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
26185         (pass_rebuild_cgraph_edges): Likewise.
26186         (pass_remove_cgraph_callee_edges): Likewise.
26187         * df-core.c (pass_df_initialize_opt): Likewise.
26188         (pass_df_initialize_no_opt): Likewise.
26189         (pass_df_finish): Likewise.
26190         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
26191         * except.c (pass_set_nothrow_function_flags): Likewise.
26192         (pass_convert_to_eh_region_ranges): Likewise.
26193         * final.c (pass_compute_alignments): Likewise.
26194         * function.c (pass_instantiate_virtual_regs): Likewise.
26195         (pass_init_function): Likewise.
26196         (pass_leaf_regs): Likewise.
26197         (pass_match_asm_constraints): Likewise.
26198         * gimple-low.c (pass_lower_cf): Likewise.
26199         (pass_mark_used_blocks): Likewise.
26200         * init-regs.c (pass_initialize_regs): Likewise.
26201         * integrate.c (pass_initial_value_sets): Likewise.
26202         * ira.c (pass_ira): Likewise.
26203         * jump.c (pass_cleanup_barriers): Likewise.
26204         * omp-low.c (pass_expand_omp): Likewise.
26205         (pass_lower_omp): Likewise.
26206         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
26207         * recog.c (pass_split_all_insns): Likewise.
26208         (pass_split_after_reload): Likewise.
26209         (pass_split_before_regstack): Likewise.
26210         (pass_split_before_sched2): Likewise.
26211         (pass_split_for_shorten_branches): Likewise.
26212         * reginfo.c (pass_reginfo_init): Likewise.
26213         (pass_subregs_of_mode_init): Likewise.
26214         (pass_subregs_of_mode_finish): Likewise.
26215         * passes.c (pass_postreload): Likewise.
26216         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
26217         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
26218         (pass_warn_function_return): Likewise.
26219         (pass_warn_function_noreturn): Likewise.
26220         * tree-complex.c (pass_lower_complex): Likewise.
26221         (pass_lower_complex_O0): Likewise.
26222         * tree-if-conv.c (pass_if_conversion): Likewise.
26223         * tree-into-ssa.c (pass_build_ssa): Likewise.
26224         * tree-mudflap.c (pass_mudflap_1): Likewise.
26225         (pass_mudflap_2): Likewise.
26226         * tree-nomudflap.c (pass_mudflap_1): Likewise.
26227         (pass_mudflap_2): Likewise.
26228         * tree-nrv.c (pass_return_slot): Likewise.
26229         * tree-object-size.c (pass_object_sizes): Likewise.
26230         * tree-optimize.c (pass_all_optimizations): Likewise.
26231         (pass_early_local_passes): Likewise.
26232         (pass_all_early_optimizations): Likewise.
26233         (pass_cleanup_cfg): Likewise.
26234         (pass_cleanup_cfg_post_optimizing): Likewise.
26235         (pass_free_datastructures): Likewise.
26236         (pass_free_cfg_annotations): Likewise.
26237         (pass_fixup_cfg): Likewise.
26238         (pass_init_datastructures): Likewise.
26239         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
26240         (pass_late_warn_uninitialized): Likewise.
26241         (pass_update_address_taken): Likewise.
26242         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
26243         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
26244         (pass_cse_sincos): Likewise.
26245         (pass_convert_to_rsqrt): Likewise.
26246         * tree-ssa-structalias.c (pass_build_alias): Likewise.
26247         * tree-stdarg.c (pass_stdarg): Likewise.
26248         * tree-tailcall.c (pass_tail_recursion): Likewise.
26249         (pass_tail_calls): Likewise.
26250         * tree-vect-generic.c (pass_lower_vector): Likewise.
26251         (pass_lower_vector_ssa): Likewise.
26252         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
26253
26254 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
26255
26256         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
26257         XLR entry.
26258         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
26259         Handle -march=xlr.
26260         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
26261         logical and signext.
26262
26263 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
26264
26265         PR target/39767
26266         * config/sh/predicates.md (arith_operand): Check if the operand
26267         of TRUNCATE is a REG.
26268
26269 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26270
26271         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
26272         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
26273
26274 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26275
26276         * tree-iterator.c (tsi_split_statement_list_after,
26277         tsi_split_statement_list_before): Remove.
26278         * tree-iterator.h: Remove the prototypes for
26279         tsi_split_statement_list_after and tsi_split_statement_list_before.
26280
26281 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26282
26283         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
26284         * tree-ssa-propagate.h: Remove the prototype for
26285         stmt_makes_single_load.
26286
26287 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26288
26289         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
26290         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
26291
26292 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26293
26294         * tree-iterator.c (EXPR_LAST_BODY): Remove.
26295
26296 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26297
26298         * except.c (eh_region_outer_p): Remove.
26299         * except.h: Remove the prototype for eh_region_outer_p.
26300
26301 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26302
26303         * function.c (current_function_assembler_name): Remove.
26304         * function.h: Remove the prototype for
26305         current_function_assembler_name.
26306
26307 2009-04-16  Ian Lance Taylor  <iant@google.com>
26308
26309         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
26310         (add_reg_note): Call alloc_reg_note.
26311         * rtl.h (alloc_reg_note): Declare.
26312         * combine.c (try_combine): Use alloc_reg_note.
26313         (recog_for_combine, move_deaths): Likewise.
26314         (distribute_notes): Use alloc_reg_note and add_reg_note.
26315         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
26316         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
26317         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
26318
26319 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
26320
26321         PR rtl-optimization/39762
26322         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
26323         ira_may_move_out_cost): Add comments about way of their usage.
26324         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
26325
26326         * ira-conflicts.c (process_regs_for_copy): Use function
26327         ira_get_register_move_cost instead of global
26328         ira_register_move_cost.
26329
26330         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
26331         color_pass, move_spill_restore, update_curr_costs): Ditto.
26332
26333         * ira-lives.c (process_single_reg_class_operands): Ditto.
26334
26335         * ira-emit.c (emit_move_list): Ditto.
26336
26337         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
26338         (record_reg_classes): Ditto.  Use functions
26339         ira_get_register_move_cost and ira_get_may_move_cost instead of
26340         global vars ira_register_move_cost, ira_may_move_out_cost and
26341         ira_may_move_in_cost.
26342         (record_address_regs): Don't call ira_init_register_move_cost.
26343         Use function ira_get_may_move_cost instead of global
26344         ira_may_move_in_cost.
26345         (process_bb_node_for_hard_reg_moves): Use function
26346         ira_get_register_move_cost instead of global ira_register_move_cost.
26347         (ira_costs): Don't call ira_init_register_move_cost.
26348
26349 2009-04-16  Richard Guenther  <rguenther@suse.de>
26350
26351         * tree-cfg.c (verify_gimple_assign_binary):
26352         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
26353         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
26354         (create_general_new_stmt): Note that this function is broken.
26355
26356 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
26357
26358         * common.opt (fhelp): Add Var(help_flag).
26359         * gcc-plugin.h (plugin_info): Add help.
26360         * plugin.c (plugin_name_args): Add help.
26361         (register_plugin_info): Set plugin->help.
26362         (print_help_one_plugin): New.
26363         (print_plugins_help): New.
26364         * plugin.h (print_plugins_help): New.
26365         * toplev.c (toplev_main): Call print_plugins_help if needed.
26366
26367 2009-04-16  Richard Guenther  <rguenther@suse.de>
26368
26369         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
26370         (gimple_ior_addresses_taken_1): New function.
26371         (gimple_ior_addresses_taken): Likewise.
26372         * gimple.h (struct gimple_statement_with_ops_base): Remove
26373         addresses_taken member.
26374         (gimple_ior_addresses_taken): Declare.
26375         (gimple_addresses_taken, gimple_addresses_taken_ptr,
26376         gimple_set_addresses_taken): Remove.
26377         * ipa-reference.c (mark_address): New function.
26378         (scan_stmt_for_static_refs): Use it for marking addresses taken.
26379         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
26380         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
26381         (gimple_add_to_addresses_taken): Remove.
26382         (get_tmr_operands): Call mark_address_taken.
26383         (get_asm_expr_operands): Likewise.
26384         (get_expr_operands): Likewise.
26385         (build_ssa_operands): Do not clear the addresses_taken bitmap.
26386         (free_stmt_operands): Do not free it.
26387         * tree-ssa.c (delete_tree_ssa): Likewise.
26388         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
26389
26390 2009-04-16  Richard Guenther  <rguenther@suse.de>
26391
26392         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
26393         (walk_stmt_load_store_ops): Likewise.
26394         * gimple.c (get_base_loadstore): New function.
26395         (walk_stmt_load_store_addr_ops): Likewise.
26396         (walk_stmt_load_store_ops): Likewise.
26397         * ipa-pure-const.c (check_op): Simplify.
26398         (check_load, check_store): New functions.
26399         (check_stmt): Use walk_stmt_load_store_ops.
26400         * ipa-reference.c (mark_load): Adjust signature.
26401         (mark_store): Likewise.
26402         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
26403
26404 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
26405
26406         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
26407         (plugin_info): New.
26408         * opts.c (common_handle_option): Don't call print_version.
26409         * plugin.c (plugin_name_args): Add version.
26410         (register_plugin_info): New.
26411         (register_callback): Handle PLUGIN_INFO.
26412         (try_init_one_plugin): New.
26413         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
26414         if failed to init.
26415         (finalize_one_plugin): New.
26416         (finalize_plugins): New.
26417         (print_one_plugin): New.
26418         (print_plugins_versions): New.
26419         * plugin.h (print_plugins_versions): New.
26420         (finalize_plugins): New.
26421         * toplev.c (compile_file): Don't call initialize_plugins.
26422         (print_version): Call print_plugins_versions.
26423         (toplev_main): Call initialize_plugins. Print version if needed.
26424         Call finalize_plugins.
26425
26426 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
26427
26428         * common.opt (fversion): New.
26429         * gcc.c (print_version): New.
26430         (process_command): Don't print the version. Just set print_version.
26431         (main): Print version. Call subprocesses if print_version and
26432         verbose_flag are set.
26433         * opts.c (common_handle_option): Handle OPT_fversion.
26434
26435 2009-04-16  Richard Guenther  <rguenther@suse.de>
26436             Ira Rosen  <irar@il.ibm.com>
26437
26438         PR tree-optimization/39698
26439         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
26440         type of the reduction variable.  Only generate the def if
26441         it is needed.
26442
26443         * omp-low.c (expand_omp_for_generic): When converting to a pointer
26444         make sure to first convert to an integer of the same precision.
26445         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
26446         the type of the evolution correctly in computing the new
26447         induction variable base.
26448
26449 2009-04-16  Richard Guenther  <rguenther@suse.de>
26450
26451         PR middle-end/39625
26452         * tree-cfg.c (make_blocks): Split statements with to-be
26453         abnormal SSA names on the lhs.
26454
26455 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
26456
26457         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
26458         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
26459         * c-typeck.c (really_start_incremental_init): Likewise.
26460         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
26461         (TARGET_INITIALIZER): Remove it.
26462         * target.h (struct target): Remove vector_opaque_p.
26463         * tree.c (build_opaque_vector_type): New.
26464         * tree.h (TYPE_VECTOR_OPAQUE): New.
26465         (build_opaque_vector_type): Declare.
26466         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
26467         * config/rs6000/rs6000.c (build_opaque_vector_type,
26468         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
26469         (rs6000_init_builtins): Use build_opaque_vector_type for
26470         opaque_V4SI_type_node.
26471
26472 2009-04-15  Catherine Moore  <clm@codesourcery.com>
26473
26474         * debug.h (set_name):  Declare.
26475         * dwarf2out.c (dwarf2out_set_name): Declare.
26476         (dwarf2_debug_hooks): Add set_name.
26477         (find_AT_string): New.
26478         (add_AT_string): Call find_AT_string.
26479         (dwarf2out_set_name): New.
26480         * cp/decl.c (grokdeclarator): Call set_name.
26481         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
26482         * debug.c (do_nothing_debug_hooks):  Likewise.
26483         * dbxout.c (dbx_debug_hooks): Likewise.
26484         * sdbout.c (sdb_debug_hooks): Likewise.
26485
26486 2009-04-15  Michael Eager  <eager@eagercon.com>
26487
26488         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
26489         reg for single-precision FPU.
26490         * config/rs6000/rs6000.md (movsi_internal1): Only for
26491         !TARGET_SINGLE_FPU.
26492         (movsi_internal1_single): New. Add pattern to move SI values to/from
26493         single-precision FP regs.
26494
26495 2009-04-15  Richard Guenther  <rguenther@suse.de>
26496
26497         * omp-low.c (lower_rec_input_clauses): Build correct address
26498         expressions.
26499         (expand_omp_for_generic): Fix multiplication type.
26500         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
26501         (generate_memset_zero): Fix types.
26502         * tree-profile.c (prepare_instrumented_value): Correctly
26503         widen a pointer.
26504
26505 2009-04-15  Ian Lance Taylor  <iant@google.com>
26506
26507         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
26508         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
26509         for -Wall and for -Wc++-compat.
26510         (c_common_post_options): For C++, set warn_enum_compare if not
26511         already set.
26512         * c-tree.h (struct c_expr): Add field original_type.
26513         (build_external_ref): Update declaration.
26514         * c-parser.c (c_parser_braced_init): Set original_type.
26515         (c_parser_initelt): Likewise.
26516         (c_parser_expr_no_commas): Likewise.
26517         (c_parser_conditional_expression): Likewise.
26518         (c_parser_cast_expression): Likewise.
26519         (c_parser_unary_expression): Likewise.  Pull setting of
26520         original_code to top of function.
26521         (c_parser_sizeof_expression): Set original_type.
26522         (c_parser_alignof_expression): Likewise.
26523         (c_parser_postfix_expression): Likewise.  Pull setting of
26524         original_code to top of function.
26525         (c_parser_postfix_expression_after_paren_type): Set original_type.
26526         (c_parser_postfix_expression_after_primary): Likewise.
26527         (c_parser_expression): Likewise.
26528         * c-typeck.c (build_external_ref): Add type parameter.  Change all
26529         callers.
26530         (c_expr_sizeof_expr): Set original_type field.
26531         (parser_build_unary_op): Likewise.
26532         (parser_build_binary_op): Likewise.  Optionally warn about
26533         comparisons of enums of different types.
26534         (digest_init): Set original_type field.
26535         (really_start_incremental_init): Likewise.
26536         (push_init_level, pop_init_level): Likewise.
26537         * doc/invoke.texi (Warning Options): -Wenum-compare now
26538         supported in C.
26539
26540 2009-04-15  Richard Guenther  <rguenther@suse.de>
26541
26542         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
26543         out a necessary conversion.
26544         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
26545         names we didn't value number.
26546         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
26547
26548 2009-04-15  Richard Guenther  <rguenther@suse.de>
26549
26550         PR tree-optimization/39764
26551         * tree-ssa-ccp.c (get_value): Canonicalize value with
26552         canonicalize_float_value.
26553
26554 2009-04-15  Jan Hubicka  <jh@suse.cz>
26555
26556         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
26557         Wrong version of patch.
26558
26559 2009-04-15  Jan Hubicka  <jh@suse.cz>
26560
26561         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
26562
26563 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
26564
26565         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
26566         our distinct integral and vector types.
26567
26568 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
26569
26570         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
26571         * init.c (build_vtbl_address): Remove call to assemble_external.
26572
26573 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
26574
26575         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
26576         output for other floating point modes.
26577
26578 2009-04-14  Diego Novillo  <dnovillo@google.com>
26579
26580         * diagnostic.c (diagnostic_report_diagnostic): Do not
26581         warn about loaded plugins for DK_ERROR and DK_WARNING.
26582         * c-decl.c (declspecs_add_type): Move call to
26583         invoke_plugin_callbacks ...
26584         * c-parser.c (c_parser_declspecs): ... here.
26585         * plugin.c (dump_active_plugins): Tidy output.
26586
26587 2009-04-14  Diego Novillo  <dnovillo@google.com>
26588             Le-Chun Wu  <lcwu@google.com>
26589
26590         * configure.ac: Add --enable-plugin support.
26591         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
26592         * Makefile.in (PLUGIN_H): Define.
26593         Export ENABLE_PLUGIN and GMPINC to site.exp.
26594         Add PLUGINLIBS to link command.
26595         Add/modify dependencies for plugin.o and files including plugin.h.
26596         (plugin.o): New.
26597         * config.in: Regenerate.
26598
26599         * opts.c (common_handle_option): Handle OPT_fplugin_ and
26600         OPT_fplugin_arg_.
26601
26602 2009-04-14  Le-Chun Wu  <lcwu@google.com>
26603
26604         * tree-pass.h (register_one_dump_file): Add a prototype for
26605         register_one_dump_file.
26606         * toplev.c (compile_file): Call initialize_plugins.
26607         (do_compile): Call invoke_plugin_callbacks.
26608         (toplev_main): Call invoke_plugin_callbacks.
26609         * common.opt: Add -fplugin= and -fplugin-arg-.
26610         * gcc-plugin.h: New public header file for plugins to include.
26611         * plugin.c: New source file.
26612         * plugin.h: New internal header file.
26613         * passes.c (register_one_dump_file): Make it external.
26614
26615         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
26616
26617 2009-04-14  Diego Novillo  <dnovillo@google.com>
26618
26619         * doc/plugins.texi: New.
26620         * doc/gccint.texi: Add reference to Plugins chapter.
26621         * doc/invoke.texi: Document -fplugin and -fplugin-arg
26622         * diagnostic.c (diagnostic_report_diagnostic): Warn about
26623         loaded plugins, if any.
26624         * timevar.def (TV_PLUGIN_INIT): Define.
26625         (TV_PLUGIN_RUN): Define.
26626         * plugin.c: Include timevar.h
26627         (plugins_active_p): New.
26628         (dump_active_plugins): New.
26629         (debug_active_plugins): New.
26630
26631 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
26632
26633         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
26634         library paths.
26635         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
26636
26637 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
26638
26639         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
26640         the same as a minus without a shift.
26641
26642 2009-04-14  Nick Clifton  <nickc@redhat.com>
26643
26644         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
26645         comparisons with small integers will always produce a short
26646         branch.
26647
26648 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
26649
26650         Merge:
26651         2008-12-19  Diego Novillo  <dnovillo@google.com>
26652
26653         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
26654
26655 2009-04-14  Richard Guenther  <rguenther@suse.de>
26656
26657         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
26658         verification.
26659         (verify_gimple_assign_binary): Likewise.  Handle shifts and
26660         rotates correctly.
26661         (verify_gimple_phi): Print the mismatched argument position.
26662         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
26663         Fix types.
26664         (vect_update_init_of_dr): Likewise.
26665         * matrix-reorg.c (transform_access_sites): Do what the
26666         comment suggests.
26667         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
26668
26669 2009-04-13  Michael Eager  <eager@eagercon.com>
26670
26671         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
26672         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
26673         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
26674         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
26675         remove duplicate config
26676
26677 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
26678
26679         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
26680         file_name:line_number type locator of the call site.
26681
26682 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
26683
26684         * genautomata.c: Put blank after comma.
26685         (automaton_decls): New.
26686         (struct unit_usage): Add comments to member next.
26687         (store_alt_unit_usage): Keep the list ordered.
26688         (unit_present_on_list_p, equal_alternatives_p): New.
26689         (check_regexp_units_distribution): Check units distribution
26690         correctness correctly.
26691         (main): Don't write automata if error is found.  Return correct
26692         exit code.
26693
26694         * config/m68k/cf.md (cfv4_ds): Remove.
26695         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
26696         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
26697
26698         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
26699         power4-load-ext, power4-store, power4-store-update,
26700         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
26701         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
26702         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
26703         power4-sqrt, power4-isync): Modify reservation to make correct
26704         unit distribution to automata.
26705
26706         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
26707         power5-store-update, power5-two, power5-three, power5-lmul,
26708         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
26709
26710 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
26711
26712         * except.c (pass_set_nothrow_function_flags): Set name and add
26713         TODO_dump_func.
26714         (set_nothrow_function_flags): Mention in the dump file when
26715         changing a function to nothrow.
26716
26717 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
26718
26719         PR/39066
26720         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
26721         instead of unsigned long.
26722
26723 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
26724
26725         * config/arm/arm.c (return_used_this_function): Remove.
26726         (arm_output_function_prologue): Remove use of
26727         return_used_this_function.
26728         (output_return_instruction): Replace use of
26729         return_used_this_function
26730         by cfun->machine->return_used_this_function.
26731         (arm_output_epilogue): Likewise.
26732         (arm_output_function_epilogue): Likewise.
26733         (thumb_unexpanded_epilogue): Likewise.
26734         * config/arm/arm.h (struct machine_function):
26735         New member return_used_this_function.
26736
26737 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
26738
26739         * doc/install.texi: Correct description of default directory for
26740         --with-gxx-include-dir.
26741
26742 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
26743
26744         * fold-const.c (build_range_check): Properly deal with enumeral and
26745         boolean base types.
26746
26747 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
26748
26749         * doc/invoke.texi (max_gcse_passes): Remove documentation.
26750         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
26751         * params.h (MAX_GCSE_PASSES): Remove.
26752         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
26753         in sequence.  Remove ability to run multiple passes.
26754         (bypass_jumps): Report run as third CPROP pass.
26755
26756 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
26757
26758         PR middle-end/39651
26759         * except.c (can_throw_external): Look at each insn in a SEQUENCE
26760         when deciding whether the whole SEQUENCE can throw.
26761
26762 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
26763
26764         PR target/39740
26765         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
26766         offseted label references.
26767
26768 2009-04-11  Jan Hubicka  <jh@suse.cz>
26769
26770         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
26771
26772 2009-04-11  Richard Guenther  <rguenther@suse.de>
26773
26774         PR middle-end/39732
26775         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
26776         return variables as TREE_ADDRESSABLE.
26777
26778 2009-04-11  Richard Guenther  <rguenther@suse.de>
26779
26780         PR tree-optimization/39713
26781         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
26782         reference trees have SSA_NAME operands.
26783
26784 2009-04-11  Richard Guenther  <rguenther@suse.de>
26785
26786         PR c/39712
26787         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
26788         address expressions.
26789
26790 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
26791
26792         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
26793         match changes in Cygwin 1.7
26794         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
26795         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
26796
26797 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
26798
26799         PR tree-optimization/39701
26800         * doc/invoke.texi (Optimization Options): Document change in
26801         meaning and initialization of -fdelete-null-pointer-checks.
26802
26803 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
26804
26805         PR middle-end/39701
26806         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
26807
26808         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
26809         here.
26810
26811         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
26812
26813 2009-04-10  Chao-ying Fu  <fu@mips.com>
26814
26815         * doc/tm.texi (Instruction Output): Document
26816         TARGET_ASM_FINAL_POSTSCAN_INSN.
26817         * target.h (final_postscan_insn): New field in asm_out.
26818         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
26819         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
26820         * final.c (final_scan_insn): Call
26821         targetm.asm_out.final_postscan_insn after outputting
26822         an asm macro and a normal instruction.
26823
26824         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
26825         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
26826         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
26827         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
26828         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
26829
26830 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
26831
26832         PR middle-end/39701
26833         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
26834         variables as non-NULL even with -fdelete-null-pointer-checks.
26835
26836 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
26837
26838         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
26839
26840 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
26841
26842         PR target/39678
26843         * config/i386/i386.c (classify_argument): Handle SCmode with
26844         (bit_offset % 64) != 0.
26845
26846 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
26847
26848         * doc/invoke.texi (Optimize Options): Add cross-reference to
26849         -Q --help=optimizers examples.
26850
26851 2009-04-10  Ben Elliston  <bje@au.ibm.com>
26852
26853         PR target/36800
26854         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
26855         regalign for the reg == fpr and TDmode case.
26856
26857 2009-04-09  David Ayers  <ayers@fsfe.org>
26858
26859         PR objc/29200
26860         * objc/objc-act.c (warn_with_method): Remove helper function.
26861         (check_duplicates): Call warning and inform directly.
26862         (really_start_method): Likewise.
26863
26864 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
26865
26866         * expmed.c (expand_divmod): Always use a comparison for a division
26867         by a large unsigned integer.
26868
26869         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
26870         for things others than variables or functions as nonzero.
26871
26872 2009-04-09  Nick Clifton  <nickc@redhat.com>
26873
26874         * unwind-compat.c: Change copyright header to refer to version
26875         3 of the GNU General Public License with version 3.1 of the
26876         GCC Runtime Library Exception and to point readers at the
26877         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
26878         * config/alpha/crtfastmath.c: Likewise.
26879         * config/alpha/linux-unwind.h: Likewise.
26880         * config/alpha/qrnnd.asm: Likewise.
26881         * config/alpha/vms-crt0-64.c: Likewise.
26882         * config/alpha/vms-crt0.c: Likewise.
26883         * config/alpha/vms-dwarf2.asm: Likewise.
26884         * config/alpha/vms-dwarf2eh.asm: Likewise.
26885         * config/alpha/vms-psxcrt0-64.c: Likewise.
26886         * config/alpha/vms-psxcrt0.c: Likewise.
26887         * config/alpha/vms_tramp.asm: Likewise.
26888         * config/arc/initfini.c: Likewise.
26889         * config/arc/lib1funcs.asm: Likewise.
26890         * config/arm/bpabi-v6m.S: Likewise.
26891         * config/arm/bpabi.S: Likewise.
26892         * config/arm/bpabi.c: Likewise.
26893         * config/arm/crti.asm: Likewise.
26894         * config/arm/crtn.asm: Likewise.
26895         * config/arm/ieee754-df.S: Likewise.
26896         * config/arm/ieee754-sf.S: Likewise.
26897         * config/arm/lib1funcs.asm: Likewise.
26898         * config/arm/libunwind.S: Likewise.
26899         * config/arm/linux-atomic.c: Likewise.
26900         * config/arm/mmintrin.h: Likewise.
26901         * config/arm/pr-support.c: Likewise.
26902         * config/arm/unaligned-funcs.c: Likewise.
26903         * config/arm/unwind-arm.c: Likewise.
26904         * config/arm/unwind-arm.h: Likewise.
26905         * config/avr/libgcc.S: Likewise.
26906         * config/bfin/crti.s: Likewise.
26907         * config/bfin/crtlibid.s: Likewise.
26908         * config/bfin/crtn.s: Likewise.
26909         * config/bfin/lib1funcs.asm: Likewise.
26910         * config/bfin/linux-unwind.h: Likewise.
26911         * config/cris/arit.c: Likewise.
26912         * config/cris/cris_abi_symbol.c: Likewise.
26913         * config/darwin-64.c: Likewise.
26914         * config/darwin-crt2.c: Likewise.
26915         * config/darwin-crt3.c: Likewise.
26916         * config/darwin.h: Likewise.
26917         * config/dbxelf.h: Likewise.
26918         * config/dfp-bit.c: Likewise.
26919         * config/dfp-bit.h: Likewise.
26920         * config/elfos.h: Likewise.
26921         * config/fixed-bit.c: Likewise.
26922         * config/fixed-bit.h: Likewise.
26923         * config/fp-bit.c: Likewise.
26924         * config/fp-bit.h: Likewise.
26925         * config/fr30/crti.asm: Likewise.
26926         * config/fr30/crtn.asm: Likewise.
26927         * config/fr30/lib1funcs.asm: Likewise.
26928         * config/freebsd-spec.h: Likewise.
26929         * config/frv/cmovd.c: Likewise.
26930         * config/frv/cmovh.c: Likewise.
26931         * config/frv/cmovw.c: Likewise.
26932         * config/frv/frvbegin.c: Likewise.
26933         * config/frv/frvend.c: Likewise.
26934         * config/frv/lib1funcs.asm: Likewise.
26935         * config/glibc-stdint.h: Likewise.
26936         * config/h8300/clzhi2.c: Likewise.
26937         * config/h8300/crti.asm: Likewise.
26938         * config/h8300/crtn.asm: Likewise.
26939         * config/h8300/ctzhi2.c: Likewise.
26940         * config/h8300/fixunssfsi.c: Likewise.
26941         * config/h8300/lib1funcs.asm: Likewise.
26942         * config/h8300/parityhi2.c: Likewise.
26943         * config/h8300/popcounthi2.c: Likewise.
26944         * config/i386/ammintrin.h: Likewise.
26945         * config/i386/att.h: Likewise.
26946         * config/i386/avxintrin.h: Likewise.
26947         * config/i386/biarch64.h: Likewise.
26948         * config/i386/bmmintrin.h: Likewise.
26949         * config/i386/cpuid.h: Likewise.
26950         * config/i386/cross-stdarg.h: Likewise.
26951         * config/i386/crtfastmath.c: Likewise.
26952         * config/i386/crtprec.c: Likewise.
26953         * config/i386/cygming-crtbegin.c: Likewise.
26954         * config/i386/cygming-crtend.c: Likewise.
26955         * config/i386/cygwin.asm: Likewise.
26956         * config/i386/emmintrin.h: Likewise.
26957         * config/i386/gmm_malloc.h: Likewise.
26958         * config/i386/gthr-win32.c: Likewise.
26959         * config/i386/i386.h: Likewise.
26960         * config/i386/immintrin.h: Likewise.
26961         * config/i386/linux-unwind.h: Likewise.
26962         * config/i386/linux64.h: Likewise.
26963         * config/i386/mm3dnow.h: Likewise.
26964         * config/i386/mmintrin-common.h: Likewise.
26965         * config/i386/mmintrin.h: Likewise.
26966         * config/i386/nmmintrin.h: Likewise.
26967         * config/i386/pmm_malloc.h: Likewise.
26968         * config/i386/pmmintrin.h: Likewise.
26969         * config/i386/smmintrin.h: Likewise.
26970         * config/i386/sol2-c1.asm: Likewise.
26971         * config/i386/sol2-ci.asm: Likewise.
26972         * config/i386/sol2-cn.asm: Likewise.
26973         * config/i386/sol2-gc1.asm: Likewise.
26974         * config/i386/tmmintrin.h: Likewise.
26975         * config/i386/unix.h: Likewise.
26976         * config/i386/w32-unwind.h: Likewise.
26977         * config/i386/wmmintrin.h: Likewise.
26978         * config/i386/x86-64.h: Likewise.
26979         * config/i386/x86intrin.h: Likewise.
26980         * config/i386/xmmintrin.h: Likewise.
26981         * config/ia64/crtbegin.asm: Likewise.
26982         * config/ia64/crtend.asm: Likewise.
26983         * config/ia64/crtfastmath.c: Likewise.
26984         * config/ia64/crti.asm: Likewise.
26985         * config/ia64/crtn.asm: Likewise.
26986         * config/ia64/fde-glibc.c: Likewise.
26987         * config/ia64/lib1funcs.asm: Likewise.
26988         * config/ia64/linux-unwind.h: Likewise.
26989         * config/ia64/quadlib.c: Likewise.
26990         * config/ia64/unwind-ia64.c: Likewise.
26991         * config/linux.h: Likewise.
26992         * config/m32c/m32c-lib1.S: Likewise.
26993         * config/m32c/m32c-lib2-trapv.c: Likewise.
26994         * config/m32c/m32c-lib2.c: Likewise.
26995         * config/m32r/initfini.c: Likewise.
26996         * config/m68hc11/larith.asm: Likewise.
26997         * config/m68hc11/m68hc11-crt0.S: Likewise.
26998         * config/m68k/cf.md: Likewise.
26999         * config/m68k/crti.s: Likewise.
27000         * config/m68k/crtn.s: Likewise.
27001         * config/m68k/lb1sf68.asm: Likewise.
27002         * config/m68k/linux-unwind.h: Likewise.
27003         * config/mcore/crti.asm: Likewise.
27004         * config/mcore/crtn.asm: Likewise.
27005         * config/mcore/lib1.asm: Likewise.
27006         * config/mips/linux-unwind.h: Likewise.
27007         * config/mips/loongson.h: Likewise.
27008         * config/mips/mips16.S: Likewise.
27009         * config/mmix/crti.asm: Likewise.
27010         * config/mmix/crtn.asm: Likewise.
27011         * config/pa/fptr.c: Likewise.
27012         * config/pa/hpux-unwind.h: Likewise.
27013         * config/pa/lib2funcs.asm: Likewise.
27014         * config/pa/linux-atomic.c: Likewise.
27015         * config/pa/linux-unwind.h: Likewise.
27016         * config/pa/milli64.S: Likewise.
27017         * config/pa/quadlib.c: Likewise.
27018         * config/pa/stublib.c: Likewise.
27019         * config/picochip/libgccExtras/adddi3.asm: Likewise.
27020         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
27021         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
27022         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
27023         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
27024         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
27025         * config/picochip/libgccExtras/divmod15.asm: Likewise.
27026         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
27027         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
27028         * config/picochip/libgccExtras/longjmp.asm: Likewise.
27029         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
27030         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
27031         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
27032         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
27033         * config/picochip/libgccExtras/setjmp.asm: Likewise.
27034         * config/picochip/libgccExtras/subdi3.asm: Likewise.
27035         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
27036         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
27037         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
27038         * config/rs6000/750cl.h: Likewise.
27039         * config/rs6000/altivec.h: Likewise.
27040         * config/rs6000/biarch64.h: Likewise.
27041         * config/rs6000/crtresfpr.asm: Likewise.
27042         * config/rs6000/crtresgpr.asm: Likewise.
27043         * config/rs6000/crtresxfpr.asm: Likewise.
27044         * config/rs6000/crtresxgpr.asm: Likewise.
27045         * config/rs6000/crtsavfpr.asm: Likewise.
27046         * config/rs6000/crtsavgpr.asm: Likewise.
27047         * config/rs6000/darwin-asm.h: Likewise.
27048         * config/rs6000/darwin-fallback.c: Likewise.
27049         * config/rs6000/darwin-fpsave.asm: Likewise.
27050         * config/rs6000/darwin-ldouble.c: Likewise.
27051         * config/rs6000/darwin-tramp.asm: Likewise.
27052         * config/rs6000/darwin-unwind.h: Likewise.
27053         * config/rs6000/darwin-vecsave.asm: Likewise.
27054         * config/rs6000/darwin-world.asm: Likewise.
27055         * config/rs6000/e500crtres32gpr.asm: Likewise.
27056         * config/rs6000/e500crtres64gpr.asm: Likewise.
27057         * config/rs6000/e500crtres64gprctr.asm: Likewise.
27058         * config/rs6000/e500crtrest32gpr.asm: Likewise.
27059         * config/rs6000/e500crtrest64gpr.asm: Likewise.
27060         * config/rs6000/e500crtresx32gpr.asm: Likewise.
27061         * config/rs6000/e500crtresx64gpr.asm: Likewise.
27062         * config/rs6000/e500crtsav32gpr.asm: Likewise.
27063         * config/rs6000/e500crtsav64gpr.asm: Likewise.
27064         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
27065         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
27066         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
27067         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
27068         * config/rs6000/eabi-ci.asm: Likewise.
27069         * config/rs6000/eabi-cn.asm: Likewise.
27070         * config/rs6000/eabi.asm: Likewise.
27071         * config/rs6000/linux-unwind.h: Likewise.
27072         * config/rs6000/linux64.h: Likewise.
27073         * config/rs6000/paired.h: Likewise.
27074         * config/rs6000/paired.md: Likewise.
27075         * config/rs6000/ppc64-fp.c: Likewise.
27076         * config/rs6000/ppu_intrinsics.h: Likewise.
27077         * config/rs6000/rs6000.h: Likewise.
27078         * config/rs6000/si2vmx.h: Likewise.
27079         * config/rs6000/sol-ci.asm: Likewise.
27080         * config/rs6000/sol-cn.asm: Likewise.
27081         * config/rs6000/spe.h: Likewise.
27082         * config/rs6000/spu2vmx.h: Likewise.
27083         * config/rs6000/sysv4.h: Likewise.
27084         * config/rs6000/tramp.asm: Likewise.
27085         * config/rs6000/vec_types.h: Likewise.
27086         * config/s390/linux-unwind.h: Likewise.
27087         * config/s390/tpf-unwind.h: Likewise.
27088         * config/score/crti.asm: Likewise.
27089         * config/score/crtn.asm: Likewise.
27090         * config/sh/crt1.asm: Likewise.
27091         * config/sh/crti.asm: Likewise.
27092         * config/sh/crtn.asm: Likewise.
27093         * config/sh/divtab-sh4-300.c: Likewise.
27094         * config/sh/divtab-sh4.c: Likewise.
27095         * config/sh/divtab.c: Likewise.
27096         * config/sh/lib1funcs-4-300.asm: Likewise.
27097         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
27098         * config/sh/lib1funcs.asm: Likewise.
27099         * config/sh/lib1funcs.h: Likewise.
27100         * config/sh/linux-atomic.asm: Likewise.
27101         * config/sh/linux-unwind.h: Likewise.
27102         * config/sh/shmedia.h: Likewise.
27103         * config/sh/sshmedia.h: Likewise.
27104         * config/sh/ushmedia.h: Likewise.
27105         * config/sparc/crtfastmath.c: Likewise.
27106         * config/sparc/linux-unwind.h: Likewise.
27107         * config/sparc/sol2-c1.asm: Likewise.
27108         * config/sparc/sol2-ci.asm: Likewise.
27109         * config/sparc/sol2-cn.asm: Likewise.
27110         * config/spu/divmodti4.c: Likewise.
27111         * config/spu/divv2df3.c: Likewise.
27112         * config/spu/float_disf.c: Likewise.
27113         * config/spu/float_unsdidf.c: Likewise.
27114         * config/spu/float_unsdisf.c: Likewise.
27115         * config/spu/float_unssidf.c: Likewise.
27116         * config/spu/mfc_multi_tag_release.c: Likewise.
27117         * config/spu/mfc_multi_tag_reserve.c: Likewise.
27118         * config/spu/mfc_tag_release.c: Likewise.
27119         * config/spu/mfc_tag_reserve.c: Likewise.
27120         * config/spu/mfc_tag_table.c: Likewise.
27121         * config/spu/multi3.c: Likewise.
27122         * config/spu/spu_internals.h: Likewise.
27123         * config/spu/spu_intrinsics.h: Likewise.
27124         * config/spu/spu_mfcio.h: Likewise.
27125         * config/spu/vec_types.h: Likewise.
27126         * config/spu/vmx2spu.h: Likewise.
27127         * config/stormy16/stormy16-lib2.c: Likewise.
27128         * config/svr4.h: Likewise.
27129         * config/sync.c: Likewise.
27130         * config/v850/lib1funcs.asm: Likewise.
27131         * config/vxlib-tls.c: Likewise.
27132         * config/vxlib.c: Likewise.
27133         * config/vxworks-dummy.h: Likewise.
27134         * config/xtensa/crti.asm: Likewise.
27135         * config/xtensa/crtn.asm: Likewise.
27136         * config/xtensa/ieee754-df.S: Likewise.
27137         * config/xtensa/ieee754-sf.S: Likewise.
27138         * config/xtensa/lib1funcs.asm: Likewise.
27139         * config/xtensa/lib2funcs.S: Likewise.
27140         * config/xtensa/linux-unwind.h: Likewise.
27141         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
27142         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
27143         * coretypes.h: Likewise.
27144         * crtstuff.c: Likewise.
27145         * defaults.h: Likewise.
27146         * dwarf2.h: Likewise.
27147         * emutls.c: Likewise.
27148         * gbl-ctors.h: Likewise.
27149         * gcov-io.h: Likewise.
27150         * ginclude/float.h: Likewise.
27151         * ginclude/iso646.h: Likewise.
27152         * ginclude/stdarg.h: Likewise.
27153         * ginclude/stdbool.h: Likewise.
27154         * ginclude/stddef.h: Likewise.
27155         * ginclude/stdfix.h: Likewise.
27156         * ginclude/stdint-gcc.h: Likewise.
27157         * ginclude/tgmath.h: Likewise.
27158         * gthr-aix.h: Likewise.
27159         * gthr-dce.h: Likewise.
27160         * gthr-gnat.c: Likewise.
27161         * gthr-gnat.h: Likewise.
27162         * gthr-lynx.h: Likewise.
27163         * gthr-mipssde.h: Likewise.
27164         * gthr-nks.h: Likewise.
27165         * gthr-posix.c: Likewise.
27166         * gthr-posix.h: Likewise.
27167         * gthr-posix95.h: Likewise.
27168         * gthr-rtems.h: Likewise.
27169         * gthr-single.h: Likewise.
27170         * gthr-solaris.h: Likewise.
27171         * gthr-tpf.h: Likewise.
27172         * gthr-vxworks.h: Likewise.
27173         * gthr-win32.h: Likewise.
27174         * gthr.h: Likewise.
27175         * libgcc2.c: Likewise.
27176         * libgcc2.h: Likewise.
27177         * libgcov.c: Likewise.
27178         * tsystem.h: Likewise.
27179         * typeclass.h: Likewise.
27180         * unwind-c.c: Likewise.
27181         * unwind-compat.h: Likewise.
27182         * unwind-dw2-fde-compat.c: Likewise.
27183         * unwind-dw2-fde-darwin.c: Likewise.
27184         * unwind-dw2-fde-glibc.c: Likewise.
27185         * unwind-dw2-fde.c: Likewise.
27186         * unwind-dw2-fde.h: Likewise.
27187         * unwind-dw2.c: Likewise.
27188         * unwind-dw2.h: Likewise.
27189         * unwind-generic.h: Likewise.
27190         * unwind-pe.h: Likewise.
27191         * unwind-sjlj.c: Likewise.
27192         * unwind.inc: Likewise.
27193         * config/arm/neon-gen.ml: Change generated copyright header to
27194         refer to version 3 of the GNU General Public License with
27195         version 3.1 of the GCC Runtime Library Exception and to point
27196         readers at the COPYING3 and COPYING3.RUNTIME files and the
27197         FSF's license web page.
27198         * config/arm/arm_neon.h: Regenerate.
27199
27200 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
27201
27202         * config/cris/cris.md: Change copyright header to refer to version
27203         3 of the GNU General Public License.
27204         * doc/install.texi2html: Change copyright header to refer to version
27205         3 of the GNU General Public License and to point readers at the
27206         COPYING3 file and the FSF's license web page.
27207         * config/vax/linux.h: Likewise.
27208
27209 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
27210
27211         * config/i386/i386.md (cmpcc): New.
27212         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
27213         (sync_compare_and_swap_cc*): Delete.
27214
27215         * config/s390/s390.c (s390_compare_emitted): Remove.
27216         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
27217         s390_compare_emitted used to be handled.  Assert that modes match.
27218         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
27219         refer to sync_compare_and_swap_ccsi.
27220         * config/s390/s390.h (s390_compare_emitted): Remove.
27221         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
27222         instead of s390_compare_emitted.
27223         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
27224         instead of s390_compare_emitted.
27225         * config/s390/s390.md (cmpcc): New.
27226         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
27227         CC_REGNUM, do not pretend it's set.
27228         (sync_compare_and_swap_cc*): Delete.
27229         * config/s390/predicates.md (cc_reg_operand): New.
27230
27231         * expr.c (sync_compare_and_swap_cc): Delete.
27232         * optabs.h (sync_compare_and_swap_cc): Delete.
27233         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
27234         is being used with can_compare_p.
27235         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
27236         (find_cc_set): New.
27237         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
27238         look for a MODE_CC set instead.  Use emit_store_flag.
27239         (expand_compare_and_swap_loop): Likewise, with some additional
27240         complication to avoid a force_reg when useless.  Use
27241         emit_cmp_and_jump_insns.
27242         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
27243         * doc/md.texi (sync_compare_and_swap_cc): Merge with
27244         sync_compare_and_swap documentation.
27245
27246 2009-04-09  Jan Hubicka  <jh@suse.cz>
27247
27248         * except.c (find_prev_try): Break out from ....
27249         (duplicate_eh_regions): ... here; properly update prev_try pointers
27250         when duplication part of tree.
27251         (dump_eh_tree): Improve dumping.
27252         (verify_eh_region): New.
27253         (verify_eh_tree): Use it.
27254
27255 2009-04-06  Richard Guenther  <rguenther@suse.de>
27256
27257         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
27258         &ARRAY addresses by adjusting their types and prepending
27259         a conversion.
27260         * tree-cfg.c (verify_gimple_assign_single): Verify that
27261         addresses are correct.
27262
27263 2009-04-09  Richard Guenther  <rguenther@suse.de>
27264
27265         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
27266         indices into an array reference if possible.
27267         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
27268         Fold POINTER_PLUS_EXPR statements with invariant address.
27269
27270 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
27271
27272         PR target/39634
27273         * config.gcc (powerpc64-*-linux*): Always build biarch.
27274
27275 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
27276
27277         PR c/39613
27278         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
27279         it and pedwarn if this results in an INTEGER_CST.
27280
27281 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27282
27283         * doc/install.texi: Update minimum GMP version.  Remove obsolete
27284         text in MPFR section.
27285
27286 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
27287
27288         * dwarf2out.c (class_scope_p): New static inline.
27289         (class_or_namespace_scope_p): Use it.
27290         (gen_variable_die): Use DW_TAG_member tag for static data member
27291         declarations instead of DW_TAG_variable.
27292
27293         PR middle-end/39573
27294         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
27295         variables.
27296
27297 2009-04-08  Richard Guenther  <rguenther@suse.de>
27298
27299         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
27300         valueize random data.
27301
27302 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
27303
27304         * config.gcc (aix tm_file):  Add aix-stdint.h.
27305         (aix tm clause use_gcc_stdint):  Set to wrap.
27306         * config/rs6000/aix-stdint.h:  New file.
27307
27308 2009-04-08  Richard Guenther  <rguenther@suse.de>
27309
27310         PR middle-end/36291
27311         * tree-dfa.c (add_referenced_var): Do not recurse into
27312         global initializers.
27313         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
27314         exposed variables.
27315         (fold_const_aggregate_ref): Likewise.
27316
27317 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
27318
27319         * recog.c (ordered_comparison_operator): New.
27320         * gensupport.c (std_preds): Add it.
27321         * doc/md.texi (Machine-Independent Predicates): Document it.
27322
27323 2009-04-08  Jan Hubicka  <jh@suse.cz>
27324
27325         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
27326         * function.h (rtl_eh): Remove exception_handler_label_map.
27327         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
27328         remove_exception_handler_label, for_each_eh_label_1): Remove.
27329         (rtl_remove_unreachable_regions): Remove.
27330         (convert_from_eh_region_ranges): Do not remove unreachable regions.
27331         (find_exception_handler_labels): Don't build the hashtable.
27332         (maybe_remove_eh_handler): Remove.
27333         (for_each_eh_label): Rewrite to walk the tree.
27334         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
27335         * except.h (maybe_remove_eh_handler): Remove.
27336         * passes.c (init_optimization_passes): Schedule second EH cleanup
27337         before out-of-ssa.
27338         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
27339         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
27340
27341 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
27342
27343         * genoutput.c (validate_optab_operands): New.
27344         (gen_insn, gen_expand): Call it.
27345
27346         * genflags.c (gen_insn): Detect misused iterators.
27347         (main): Pass line_no to gen_insn, exit with status 1 on error.
27348
27349         * genextract.c (line_no): Make global.
27350         (VEC_safe_set_locstr): Change assertion to error message.
27351         (main): Exit with status 1 on error.
27352
27353 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
27354
27355         PR c/39614
27356         PR c/39673
27357         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
27358         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
27359         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
27360         * c-convert.c (convert): Do not call fold on results of conversion
27361         functions when the result is a C_MAYBE_CONST_EXPR.
27362         * c-parser.c (c_parser_postfix_expression): Do not fold condition
27363         of __builtin_choose_expr.
27364         * c-typeck.c (remove_c_maybe_const_expr): New.
27365         (build_unary_op, build_conditional_expr, build_compound_expr,
27366         build_binary_op, c_objc_common_truthvalue_conversion): Call
27367         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
27368         integer operands.
27369
27370 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
27371
27372         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
27373         CODE to produce a new one. Add a prototype to use fold_convert_const
27374
27375 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
27376
27377         PR bootstrap/39660
27378         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
27379         mix declarations and code.
27380
27381 2009-04-08  Ben Elliston  <bje@au.ibm.com>
27382
27383         * gcc.c: Replace `CC' with `GCC' throughout.
27384
27385 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
27386
27387         * doc/invoke.texi: Document Atom support.
27388
27389 2009-04-07  Jason Merrill  <jason@redhat.com>
27390
27391         PR c++/25185
27392         * c-common.h, c-common.c: Add flag_pretty_templates.
27393         * c-opts.c (c_common_handle_option): Set it.
27394         * c.opt: Add -fno-pretty-templates.
27395         * doc/invoke.texi (C++ Dialect Options): Likewise.
27396
27397 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
27398
27399         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
27400         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
27401         (ia64_expand_builtin): Likewise.
27402
27403 2009-04-07  Martin Jambor  <mjambor@suse.cz>
27404
27405         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
27406         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
27407         ADDR_EXPRS are include too.
27408
27409 2009-04-07  Richard Guenther  <rguenther@suse.de>
27410
27411         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
27412         decls are only used if passes as parameters or if they are
27413         local statics and the call is not to a builtin.
27414         (call_may_clobber_ref_p_1): Likewise.
27415
27416 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27417
27418         * expr.c (do_store_flag): Remove last argument.  Simplify code
27419         to avoid duplication of tests already done by can_compare_p.
27420         (expand_expr_real_1): Adjust caller.
27421
27422 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27423
27424         * optabs.c (can_compare_p): Test the predicate of a
27425         cbranch and cstore pattern.
27426
27427 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27428
27429         * expr.c (convert_move): Use emit_store_flag instead of
27430         "emulating" it.
27431
27432 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27433
27434         * config/i386/i386.c (ix86_compare_emitted): Remove.
27435         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
27436         ix86_compare_op0 like ix86_compare_emitted used to be handled.
27437         * config/i386/i386.h (ix86_compare_emitted): Remove.
27438         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
27439         instead of ix86_compare_emitted.
27440         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
27441
27442 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
27443
27444         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
27445         Add t-sysroot-suffix to tmake_file.
27446         * config/print-sysroot-suffix.sh: New file.
27447         * config/t-sysroot-suffix: New file.
27448
27449 2009-04-07  Ben Elliston  <bje@au.ibm.com>
27450
27451         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
27452         as the latter produces a warning when the target does not support
27453         infinity.
27454
27455 2009-04-07  Ben Elliston  <bje@au.ibm.com>
27456
27457         * dfp.c: Replace type punning assignments with memcpy throughout.
27458         * Makefile.in (dfp.o-warn): Remove.
27459
27460 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
27461
27462         PR target/39634
27463         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
27464         Include soft-fp/t-softfp after rs6000/t-linux64.
27465
27466 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
27467
27468         * stor-layout.c (set_sizetype): Use the full precision of their
27469         machine mode for bitsize types.
27470
27471 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
27472
27473         * config/i386/i386.md: Revert 2 accidental checkins.
27474
27475 2009-04-06  Joey Ye  <joey.ye@intel.com>
27476             Xuepeng Guo  <xuepeng.guo@intel.com>
27477             H.J. Lu  <hongjiu.lu@intel.com>
27478
27479         Atom pipeline model, tuning and insn selection.
27480         * config.gcc (atom): Add atom config options and target.
27481
27482         * config/i386/atom.md: New.
27483
27484         * config/i386/i386.c (atom_cost): New cost.
27485         (m_ATOM): New macro flag.
27486         (initial_ix86_tune_features): Set m_ATOM.
27487         (x86_accumulate_outgoing_args): Likewise.
27488         (x86_arch_always_fancy_math_387): Likewise.
27489         (processor_target): Add Atom cost.
27490         (cpu_names): Add Atom cpu name.
27491         (override_options): Set Atom ISA.
27492         (ix86_issue_rate): New case PROCESSOR_ATOM.
27493         (ix86_adjust_cost): Likewise.
27494
27495         * config/i386/i386.h (TARGET_ATOM): New target macro.
27496         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
27497         (TARGET_OPT_AGU): New target option.
27498         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
27499         (processor_type): Add PROCESSOR_ATOM.
27500
27501         * config/i386/i386.md (cpu): Add new value "atom".
27502         (use_carry, movu): New attr.
27503         (atom.md): Include atom.md.
27504         (adddi3_carry_rex64): Set attr "use_carry".
27505         (addqi3_carry): Likewise.
27506         (addhi3_carry): Likewise.
27507         (addsi3_carry): Likewise.
27508         (*addsi3_carry_zext): Likewise.
27509         (subdi3_carry_rex64): Likewise.
27510         (subqi3_carry): Likewise.
27511         (subhi3_carry): Likewise.
27512         (subsi3_carry): Likewise.
27513         (x86_movdicc_0_m1_rex64): Likewise.
27514         (*x86_movdicc_0_m1_se): Likewise.
27515         (x86_movsicc_0_m1): Likewise.
27516         (*x86_movsicc_0_m1_se): Likewise.
27517         (*adddi_1_rex64): Emit add insn as much as possible.
27518         (*addsi_1): Likewise.
27519         (return_internal): Set atom_unit.
27520         (return_internal_long): Likewise.
27521         (return_pop_internal): Likewise.
27522         (*rcpsf2_sse): Set atom_sse_attr attr.
27523         (*qrt<mode>2_sse): Likewise.
27524         (*prefetch_sse): Likewise.
27525
27526         * config/i386/i386-c.c (ix86_target_macros_internal): New case
27527         PROCESSOR_ATOM.
27528         (ix86_target_macros_internal): Likewise.
27529
27530         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
27531         (*prefetch_sse_rex): Likewise.
27532         (sse_rcpv4sf2): Likewise.
27533         (sse_vmrcpv4sf2): Likewise.
27534         (sse_sqrtv4sf2): Likewise.
27535         (<sse>_vmsqrt<mode>2): Likewise.
27536         (sse_ldmxcsr): Likewise.
27537         (sse_stmxcsr): Likewise.
27538         (*sse_sfence): Likewise.
27539         (sse2_clflush): Likewise.
27540         (*sse2_mfence): Likewise.
27541         (*sse2_lfence): Likewise.
27542         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
27543         (<sse>_movup<ssemodesuffixf2c>): Likewise.
27544         (avx_movdqu<avxmodesuffix>): Likewise.
27545         (avx_lddqu<avxmodesuffix>): Likewise.
27546         (sse2_movntv2di): Change attr "type" to "ssemov".
27547         (sse2_movntsi): Likewise.
27548         (rsqrtv8sf2): Change attr "type" to "sseadd".
27549         (sse3_addsubv2df3): Set attr "atom_unit".
27550         (sse3_h<plusminus_insn>v4sf3): Likewise.
27551         (*sse2_pmaddwd): Likewise.
27552         (*vec_extractv2di_1_rex64): Likewise.
27553         (*vec_extractv2di_1_avx): Likewise.
27554         (sse2_psadbw): Likewise.
27555         (ssse3_phaddwv8hi3): Likewise.
27556         (ssse3_phaddwv4hi3): Likewise.
27557         (ssse3_phadddv4si3): Likewise.
27558         (ssse3_phadddv2si3): Likewise.
27559         (ssse3_phaddswv8hi3): Likewise.
27560         (ssse3_phaddswv4hi3): Likewise.
27561         (ssse3_phsubwv8hi3): Likewise.
27562         (ssse3_phsubwv4hi3): Likewise.
27563         (ssse3_phsubdv4si3): Likewise.
27564         (ssse3_phsubdv2si3): Likewise.
27565         (ssse3_phsubswv8hi3): Likewise.
27566         (ssse3_phsubswv4hi3): Likewise.
27567         (ssse3_pmaddubsw128): Likewise.
27568         (sse3_pmaddubsw: Likewise.
27569         (ssse3_palignrti): Likewise.
27570         (ssse3_palignrdi): Likewise.
27571
27572 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
27573
27574         * doc/install.texi (Specific): Fix two cross-references to MinGW.
27575
27576 2009-04-06  Richard Guenther  <rguenther@suse.de>
27577
27578         PR tree-optimization/28868
27579         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
27580         of which PHI results we inserted.
27581         (insert_into_preds_of_block): Record inserted PHIs.
27582         (eliminate): Eliminate redundant PHI nodes.
27583         (init_pre): Init inserted_phi_names.
27584
27585 2009-04-06  Richard Guenther  <rguenther@suse.de>
27586
27587         PR tree-optimization/39643
27588         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
27589         IMAGPART_EXPRs of complex constants.
27590         (execute_fold_all_builtins): If we folded a call queue
27591         TODO_update_address_taken.
27592
27593 2009-04-06  Jan Hubicka  <jh@suse.cz>
27594
27595         PR middle-end/39659
27596         * except.c (remove_unreachable_regions): Propagate may_contain_throw
27597         flag.
27598
27599 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
27600
27601         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
27602         delay slot.
27603         (ic_invalidate_array): Likewise.
27604
27605 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
27606
27607         * calls.c (emit_library_call_value_1): Fix a problem with parameter
27608         alignment for library calls.
27609
27610 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
27611
27612         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
27613         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
27614         * config/i386/mingw-stdint.h:  New file.
27615
27616 2009-04-05  Richard Guenther  <rguenther@suse.de>
27617
27618         PR tree-optimization/39648
27619         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
27620         our &A vs. &A[0] IL deficiencies.
27621
27622 2009-04-04  Jan Hubicka  <jh@suse.cz>
27623
27624         * except.c (sjlj_find_directly_reachable_regions): Be ready for
27625         removed toplevel regions.
27626         (sjlj_mark_call_sites): Likewise.
27627
27628 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
27629
27630         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
27631         (cygwin tm clause use_gcc_stdint):  Set to wrap.
27632         * config/i386/cygwin-stdint.h:  New file.
27633
27634 2009-04-04  Richard Guenther  <rguenther@suse.de>
27635
27636         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
27637         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
27638         single-argument PHIs if we are in loop-closed SSA form.
27639         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
27640         for the pre-condition.
27641         (slpeel_tree_peel_loop_to_edge): Likewise.
27642         (vect_build_loop_niters): Take an optional sequence to append stmts.
27643         (vect_generate_tmps_on_preheader): Likewise.
27644         (vect_do_peeling_for_loop_bound): Take extra guards for the
27645         pre-condition.
27646         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
27647         the cost model check.
27648         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
27649         guards if we are going to peel.  Do not apply versioning in that case.
27650         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
27651         (vect_do_peeling_for_loop_bound): Likewise.
27652         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
27653         loop bound only record extra pre-conditions, do not apply loop
27654         versioning.
27655
27656 2009-04-04  Richard Guenther  <rguenther@suse.de>
27657
27658         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
27659         renaming code.
27660
27661 2009-04-04  Jan Hubicka  <jh@suse.cz>
27662
27663         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
27664         last_basic_block for size of bb->index indexed array.
27665         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
27666         compute_out, link_btr_uses, build_btr_def_use_webs,
27667         build_btr_def_use_webs, migrate_btr_defs): Likewise.
27668
27669 2009-04-04  Jan Hubicka  <jh@suse.cz>
27670
27671         * except.c (remove_eh_handler_and_replace): Break out from ...
27672         (remove_eh_handler): ... here.
27673         (bring_to_root): New function.
27674         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
27675         handled ones, bring others to root of tree.
27676
27677 2009-04-04  Jan Hubicka  <jh@suse.cz>
27678
27679         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
27680         (all_phis_safe_to_merge): New function.
27681         (update_info): New structure.
27682         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
27683         (cleanup_empty_eh): Update SSA if possible.
27684
27685 2009-04-04  Richard Guenther  <rguenther@suse.de>
27686
27687         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
27688         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
27689         (append_vuse): Likewise.
27690
27691 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
27692
27693         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
27694         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
27695         instead of REG_UNSAVED for DW_CFA_undefined.
27696         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
27697         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
27698         outermost frame.
27699
27700 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
27701
27702         PR target/39501
27703         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
27704
27705 2009-04-04  Richard Guenther  <rguenther@suse.de>
27706
27707         PR tree-optimization/8781
27708         PR tree-optimization/37892
27709         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
27710         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
27711         (valueize_refs): Call it for *& valueizations.
27712         (shared_reference_ops_from_ref): Rename to ...
27713         (valueize_shared_reference_ops_from_ref): ... this and valueize.
27714         (shared_reference_ops_from_call): Rename to ...
27715         (valueize_shared_reference_ops_from_call): ... this and valueize.
27716         (vn_reference_lookup): Update.
27717         (visit_reference_op_call): Likewise.
27718         * tree-ssa-pre.c (phi_translate_1): Fold *&.
27719         (eliminate): Value-replace the call address in call statements.
27720
27721 2009-04-04  Richard Guenther  <rguenther@suse.de>
27722
27723         PR tree-optimization/39636
27724         * tree-ssa-forwprop.c
27725         (forward_propagate_addr_into_variable_array_index): Check for
27726         GIMPLE_ASSIGN before accessing the rhs code.
27727
27728 2009-04-03  Jason Merrill  <jason@redhat.com>
27729
27730         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
27731
27732 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
27733
27734         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
27735         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
27736         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
27737         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
27738         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
27739         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
27740         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
27741         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
27742         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
27743         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
27744         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
27745         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
27746         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
27747         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
27748         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
27749         Use fr_reg_or_fp01_operand instead of fr_register_operand
27750
27751         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
27752         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
27753         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
27754
27755 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
27756
27757         PR rtl-optimization/39607
27758         PR rtl-optimization/39631
27759
27760         Revert:
27761
27762         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
27763         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
27764         instead of DF_LR_OUT.
27765         * ira-lives.c (process_bb_node_lives): Ditto.
27766         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
27767         instead of DF_LR_{OUT,IN}.
27768         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
27769         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
27770
27771 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
27772
27773         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
27774         (execute_lower_omp): Always run but take the short way out if -fopenmp
27775         is not given.
27776         (gate_lower_omp): Remove, forcing the pass manager to always run the
27777         pass and always set PROP_gimple_lomp.
27778         (pass_lower_omp): Remove gate function.
27779         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
27780         PROP_trees.  Instead, require it.
27781         * ipa-cp.c (pass_ipa_cp): Likewise.
27782         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
27783         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
27784         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
27785         and PROP_gimple_leh.
27786
27787 2009-04-03  Richard Guenther  <rguenther@suse.de>
27788
27789         PR middle-end/13146
27790         PR tree-optimization/23940
27791         PR tree-optimization/33237
27792         PR middle-end/33974
27793         PR middle-end/34093
27794         PR tree-optimization/36201
27795         PR tree-optimization/36230
27796         PR tree-optimization/38049
27797         PR tree-optimization/38207
27798         PR tree-optimization/38230
27799         PR tree-optimization/38301
27800         PR tree-optimization/38585
27801         PR middle-end/38895
27802         PR tree-optimization/38985
27803         PR tree-optimization/39299
27804         * tree-ssa-structalias.h: Remove.
27805         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
27806         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
27807         (struct vuse_element_d): Remove.
27808         (struct vuse_vec_d): Likewise.
27809         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
27810         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
27811         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
27812         VUSE_ELEMENT_VAR): Likewise.
27813         (struct voptype_d): Likewise.
27814         (NUM_VOP_FREE_BUCKETS): Likewise.
27815         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
27816         (struct stmt_operands_d): Remove.
27817         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
27818         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
27819         VDEF_NUM, VDEF_VECT): Likewise.
27820         (copy_virtual_operands): Remove.
27821         (operand_build_cmp): Likewise.
27822         (create_ssa_artificial_load_stmt): Likewise.
27823         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
27824         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
27825         vuse_index and mayuse_index members.  Pack and move done and iter_type
27826         members to the front.
27827         (SSA_OP_VMAYUSE): Remove.
27828         (SSA_OP_VIRTUAL_USES): Adjust.
27829         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
27830         (unlink_stmt_vdef): Declare.
27831         (add_to_addressable_set): Remove.
27832         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
27833         (vrp_visit_stmt): Likewise.
27834         * doc/tree-ssa.texi (Alias analysis): Update.
27835         * doc/invoke.texi (max-aliased-vops): Remove docs.
27836         (avg-aliased-vops): Likewise.
27837         * tree-into-ssa.c (syms_to_rename): Remove.
27838         (need_to_update_vops_p): Likewise.
27839         (need_to_initialize_update_ssa_p): Rename to ...
27840         (update_ssa_initialized_fn): ... this.  Track function we are
27841         initialized for.
27842         (symbol_marked_for_renaming): Simplify.
27843         (add_new_name_mapping): Do not set need_to_update_vops_p.
27844         (dump_currdefs): Use SYMS_TO_RENAME.
27845         (rewrite_update_stmt): Always walk all uses/defs.
27846         (dump_update_ssa): Adjust.
27847         (init_update_ssa): Take function argument.  Track what we are
27848         initialized for.
27849         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
27850         (create_new_def_for): Initialize for cfun, assert we are initialized
27851         for cfun.
27852         (mark_sym_for_renaming): Simplify.
27853         (mark_set_for_renaming): Do not initialize update-ssa.
27854         (need_ssa_update_p): Simplify.  Take function argument.
27855         (name_mappings_registered_p): Assert we ask for the correct function.
27856         (name_registered_for_update_p): Likewise.
27857         (ssa_names_to_replace): Likewise.
27858         (release_ssa_name_after_update_ssa): Likewise.
27859         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
27860         (dump_decl_set): Do not print a newline.
27861         (debug_decl_set): Do it here.
27862         (dump_update_ssa): And here.
27863         * tree-ssa-loop-im.c (move_computations): Adjust.
27864         (movement_possibility): Likewise.
27865         (determine_max_movement): Likewise.
27866         (gather_mem_refs_stmt): Likewise.
27867         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
27868         or NAME_MEMORY_TAG.
27869         * tree-complex.c (update_all_vops): Remove.
27870         (expand_complex_move): Adjust.
27871         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
27872         Simplify test for memory referencing statement.  Exclude
27873         non-invariant ADDR_EXPRs.
27874         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
27875         * tree-loop-distribution.c (generate_memset_zero): Adjust.
27876         (rdg_flag_uses): Likewise.
27877         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
27878         related code.
27879         (tree_optimize_tail_calls_1): Also split the
27880         edge from the entry block if we have degenerate PHI nodes in
27881         the first basic block.
27882         * tree.c (init_ttree): Remove memory-tag related code.
27883         (tree_code_size): Likewise.
27884         (tree_node_structure): Likewise.
27885         (build7_stat): Re-write to be build6_stat.
27886         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
27887         (SSA_VAR_P): Adjust.
27888         (struct tree_memory_tag): Remove.
27889         (struct tree_memory_partition_tag): Likewise.
27890         (union tree_node): Adjust.
27891         (build7): Re-write to be build6.
27892         * tree-pass.h (pass_reset_cc_flags): Remove.
27893         (TODO_update_address_taken): New flag.
27894         (pass_simple_dse): Remove.
27895         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
27896         * params.h (MAX_ALIASED_VOPS): Remove.
27897         (AVG_ALIASED_VOPS): Likewise.
27898         * omp-low.c (expand_omp_taskreg): Update SSA form.
27899         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
27900         aliases the lhs in a copy stmt.
27901         * tree-ssa-dse.c (struct address_walk_data): Remove.
27902         (memory_ssa_name_same): Likewise.
27903         (memory_address_same): Likewise.
27904         (get_kill_of_stmt_lhs): Likewise.
27905         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
27906         unused stores.  Look through PHI nodes into post-dominated regions.
27907         (dse_optimize_stmt): Simplify.  Properly remove stores.
27908         (tree_ssa_dse): Compute dominators.
27909         (execute_simple_dse): Remove.
27910         (pass_simple_dse): Likewise.
27911         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
27912         gimple_loaded_syms and gimple_stored_syms computation.
27913         * toplev.c (dump_memory_report): Dump alias and pta stats.
27914         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
27915         (vn_reference_eq): Likewise.
27916         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
27917         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
27918         valueize_vuses): Remove.
27919         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
27920         (get_def_ref_stmt_vuse): ... this.
27921         (vn_reference_lookup_2): New function.
27922         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
27923         walking equivalent vuses.  Simplify.
27924         (vn_reference_lookup): Likewise.
27925         (vn_reference_insert): Likewise.
27926         (vn_reference_insert_pieces): Likewise.
27927         (visit_reference_op_call): Simplify.
27928         (visit_reference_op_load): Likewise.
27929         (visit_reference_op_store): Likewise.
27930         (init_scc_vn): Remove shared_lookup_vuses initialization.
27931         (free_scc_vn): Remove shared_lookup_vuses freeing.
27932         (sort_vuses, sort_vuses_heap): Remove.
27933         (get_ref_from_reference_ops): Export.
27934         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
27935         vector with single vuse pointer.
27936         (vn_reference_lookup_pieces, vn_reference_lookup,
27937         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
27938         (shared_vuses_from_stmt): Remove.
27939         (get_ref_from_reference_ops): Declare.
27940         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
27941         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
27942         memory-tag related code.
27943         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
27944         (likely_value): Add comment, skip static-chain of call statements.
27945         (surely_varying_stmt_p): Adjust.
27946         (gimplify_and_update_call_from_tree): Likewise.
27947         (execute_fold_all_builtins): Do not rebuild alias info.
27948         (gimplify_and_update_call_from_tree): Properly update VOPs.
27949         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
27950         (copy_ref_info): Remove memory-tag related code.
27951         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
27952         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
27953         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
27954         computation.
27955         * tree-ssa-dom.c (gimple_p): Remove typedef.
27956         (eliminate_redundant_computations): Adjust.
27957         (record_equivalences_from_stmt): Likewise.
27958         (avail_expr_hash): Likewise.
27959         (avail_expr_eq): Likewise.
27960         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
27961         (stmt_makes_single_load): Likewise.
27962         (stmt_makes_single_store): Likewise.
27963         * tree-ssa-alias.c: Rewrite completely.
27964         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
27965         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
27966         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
27967         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
27968         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
27969         Remove public functions.
27970         (pass_reset_cc_flags): Remove.
27971         (pass_build_alias): Move ...
27972         * tree-ssa-structalias.c (pass_build_alias): ... here.
27973         * tree-ssa-alias.c (may_be_aliased): Move ...
27974         * tree-flow-inline.h (may_be_aliased): ... here.
27975         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
27976         count_uses_and_derefs): Move ...
27977         * gimple.c: ... here.
27978         * gimple.h (count_uses_and_derefs): Declare.
27979         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
27980         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
27981         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
27982         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
27983         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
27984         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
27985         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
27986         New functions.
27987         * tree-dfa.c (refs_may_alias_p): Move ...
27988         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
27989         * tree-ssa-alias.h: New file.
27990         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
27991         (statement_sink_location): Likewise.
27992         * opts.c (decode_options): Do not adjust max-aliased-vops or
27993         avg-aliased-vops values.
27994         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
27995         (TV_CALL_CLOBBER): Likewise.
27996         (TV_FLOW_SENSITIVE): Likewise.
27997         (TV_FLOW_INSENSITIVE): Likewise.
27998         (TV_MEMORY_PARTITIONING): Likewise.
27999         (TV_ALIAS_STMT_WALK): New timevar.
28000         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
28001         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
28002         (get_address_description): Remove memory-tag related code.
28003         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
28004         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
28005         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
28006         and immediate uses in statements.  Document.
28007         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
28008         (dump_symbols): Remove.
28009         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
28010         * alias.c (get_deref_alias_set): New function split out from ...
28011         (get_alias_set): ... here.
28012         * alias.h (get_deref_alias_set): Declare.
28013         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
28014         type parameter.  Remove restrict pointer handling.  Create a
28015         ref-all pointer in case type-based alias sets do not conflict.
28016         (vect_analyze_data_refs): Remove SMT related code.
28017         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
28018         (vectorizable_load): Likewise.
28019         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
28020         (DR_SYMBOL_TAG, DR_VOPS): Remove.
28021         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
28022         Ignore vops and SMTs.
28023         (dr_analyze_alias): Likewise..
28024         (free_data_ref): Likewise.
28025         (create_data_ref): Likewise.
28026         (analyze_all_data_dependences): Likewise.
28027         (get_references_in_stmt): Adjust.
28028         * tree-flow-inline.h (gimple_aliases_computed_p,
28029         gimple_addressable_vars, gimple_call_clobbered_vars,
28030         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
28031         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
28032         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
28033         gimple_mem_ref_stats): Remove.
28034         (gimple_vop): New function.
28035         (op_iter_next_use): Remove vuses and mayuses cases.
28036         (op_iter_next_def): Remove vdefs case.
28037         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
28038         (clear_and_done_ssa_iter): Do not set removed fields.
28039         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
28040         Assert we are not iterating over vuses or vdefs if not also
28041         iterating over uses or defs.
28042         (op_iter_init_use): Likewise.
28043         (op_iter_init_def): Likewise.
28044         (op_iter_next_vdef): Remove.
28045         (op_iter_next_mustdef): Likewise.
28046         (op_iter_init_vdef): Likewise.
28047         (compare_ssa_operands_equal): Likewise.
28048         (link_use_stmts_after): Handle vuse operand.
28049         (is_call_used): Use is_call_clobbered.
28050         (is_call_clobbered): Global variables are always call clobbered,
28051         query the call-clobbers bitmap.
28052         (mark_call_clobbered): Ignore global variables.
28053         (clear_call_clobbered): Likewise.
28054         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
28055         virtual operands sanity check.
28056         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
28057         Remove.
28058         (TARGET_MEM_REF): Remove TMR_TAG operand.
28059         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
28060         Remove call-clobber related code.
28061         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
28062         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
28063         partitions or escape reason.
28064         (get_single_def_stmt, get_single_def_stmt_from_phi,
28065         get_single_def_stmt_with_phi): Remove.
28066         (dump_referenced_vars): Tidy.
28067         (get_ref_base_and_extent): Allow bare decls.
28068         (collect_dfa_stats): Adjust.
28069         * graphite.c (rename_variables_in_stmt): Adjust.
28070         (graphite_copy_stmts_from_block): Likewise.
28071         (translate_clast): Likewise.
28072         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
28073         (EXPR_DIES): New.
28074         (translate_vuse_through_block): Use the oracle.
28075         (phi_translate_1): Adjust.
28076         (value_dies_in_block_x): Use the oracle.  Cache the outcome
28077         in EXPR_DIES.
28078         (valid_in_sets): Check if the VUSE for
28079         a REFERENCE is available.
28080         (eliminate): Do not remove stmts during elimination,
28081         instead queue and remove them afterwards.
28082         (do_pre): Do not rebuild alias info.
28083         (pass_pre): Run TODO_rebuild_alias before PRE.
28084         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
28085         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
28086         (mark_all_v_defs_stmt): Remove.
28087         (mark_all_v_defs_seq): Adjust.
28088         (sra_replace): Likewise.
28089         (scalarize_use): Likewise.
28090         (scalarize_copy): Likewise.
28091         (scalarize_init): Likewise.
28092         (scalarize_ldst): Likewise.
28093         (todoflags): Remove.
28094         (tree_sra): Do not rebuild alias info.
28095         (tree_sra_early): Adjust.
28096         (pass_sra): Run TODO_update_address_taken before SRA.
28097         * tree-predcom.c (set_alias_info): Remove.
28098         (prepare_initializers_chain): Do not call it.
28099         (mark_virtual_ops_for_renaming): Adjust.
28100         (mark_virtual_ops_for_renaming_list): Remove.
28101         (initialize_root_vars): Adjust.
28102         (initialize_root_vars_lm): Likewise.
28103         (prepare_initializers_chain): Likewise.
28104         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
28105         (may_propagate_copy_into_stmt): Likewise.
28106         (merge_alias_info): Do nothing for now.
28107         (propagate_tree_value_into_stmt): Adjust.
28108         (stmt_may_generate_copy): Likewise.
28109         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
28110         not mark symbols for renaming.
28111         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
28112         with the same statement, make sure to update the new pointed-to one.
28113         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
28114         call statements, do not mark symbols for renaming.
28115         (mark_operand_necessary): Dump something.
28116         (ref_may_be_aliased): New function.
28117         (mark_aliased_reaching_defs_necessary_1): New helper function.
28118         (mark_aliased_reaching_defs_necessary): Likewise.
28119         (mark_all_reaching_defs_necessary_1): Likewise.
28120         (mark_all_reaching_defs_necessary): Likewise.
28121         (propagate_necessity): Do not process virtual PHIs.  For
28122         non-aliased loads mark all reaching definitions as necessary.
28123         For aliased loads and stores mark the immediate dominating
28124         aliased clobbers as necessary.
28125         (visited): New global static.
28126         (perform_tree_ssa_dce): Free visited bitmap after propagating
28127         necessity.
28128         (remove_dead_phis): Perform simple dead virtual PHI removal.
28129         (remove_dead_stmt): Properly unlink virtual operands when
28130         removing stores.
28131         (eliminate_unnecessary_stmts): Schedule PHI removal after
28132         stmt removal.
28133         * tree-ssa-ter.c (is_replaceable_p): Adjust.
28134         (process_replaceable): Likewise.
28135         (find_replaceable_in_bb): Likewise.
28136         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
28137         based on the single gimple vop.
28138         (verify_flow_insensitive_alias_info): Remove.
28139         (verify_flow_sensitive_alias_info): Likewise.
28140         (verify_call_clobbering): Likewise.
28141         (verify_memory_partitions): Likewise.
28142         (verify_alias_info): Likewise.
28143         (verify_ssa): Adjust..
28144         (execute_update_addresses_taken): Export.  Update SSA
28145         manually.  Optimize only when optimizing.  Use a local bitmap.
28146         (pass_update_address_taken): Remove TODO_update_ssa, add
28147         TODO_dump_func.
28148         (pass_update_address_taken): Just use TODO_update_address_taken.
28149         (init_tree_ssa): Do not initialize addressable_vars.
28150         (verify_ssa): Verify new VUSE / VDEF properties.
28151         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
28152         Do not call verify_alias_info.
28153         (delete_tree_ssa): Clear the VUSE, VDEF operands.
28154         Do not free the loaded and stored syms bitmaps.  Reset the escaped
28155         and callused solutions.  Do not free addressable_vars.
28156         Remove memory-tag related code.
28157         (warn_uninitialized_var): Aliases are always available.
28158         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
28159         * lambda-code.c (can_put_in_inner_loop): Adjust.
28160         (can_put_after_inner_loop): Likewise.
28161         (perfect_nestify): Likewise.
28162         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
28163         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
28164         (vectorizable_conversion): Do not mark symbols for renaming.
28165         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
28166         (expand_call_inline): Unlink the calls virtual operands before
28167         replacing it.
28168         (tree_function_versioning): Do not call update_ssa if we are not
28169         updating clones.  Simplify.
28170         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
28171         (propagate_with_phi): Likewise..
28172         * tree-outof-ssa.c (create_temp): Remove memory tag and call
28173         clobber code.  Assert we are not aliased or global.
28174         * tree-flow.h: Include tree-ssa-alias.h
28175         (enum escape_type): Remove.
28176         (struct mem_sym_stats_d): Likewise.
28177         (struct mem_ref_stats_d): Likewise.
28178         (struct gimple_df): Add vop member.  Remove global_var,
28179         call_clobbered_vars, call_used_vars, addressable_vars,
28180         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
28181         escaped and callused members.
28182         (struct ptr_info_def): Remove all members, add points-to solution
28183         member pt.
28184         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
28185         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
28186         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
28187         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
28188         (tree-ssa-alias.o): Likewise.
28189         (toplev.o): Add tree-ssa-alias.h
28190         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
28191         * gimple.c (gimple_set_bb): Fix off-by-one error.
28192         (is_gimple_reg): Do not handle memory tags.
28193         (gimple_copy): Also copy virtual operands.
28194         Delay updating the statement.  Do not reset loaded and stored syms.
28195         (gimple_set_stored_syms): Remove.
28196         (gimple_set_loaded_syms): Likewise.
28197         (gimple_call_copy_skip_args): Copy the virtual operands
28198         and mark the new statement modified.
28199         * tree-ssa-structalias.c (may_alias_p): Remove.
28200         (set_uids_in_ptset): Take the alias set to prune with as
28201         parameter.  Fold in the alias test of may_alias_p.
28202         (compute_points_to_sets): Compute whether a ptr is dereferenced
28203         in a local sbitmap.
28204         (process_constraint): Deal with &ANYTHING on the lhs, reject all
28205         other ADDRESSOF constraints on the lhs.
28206         (get_constraint_for_component_ref): Assert that we don't get
28207         ADDRESSOF constraints from the base of the reference.
28208         Properly generate UNKNOWN_OFFSET for DEREF if needed.
28209         (struct variable_info): Remove collapsed_to member.
28210         (get_varinfo_fc): Remove.
28211         (new_var_info): Do not set collapsed_to.
28212         (dump_constraint): Do not follow cycles.
28213         (dump_constraint_graph): Likewise.
28214         (build_pred_graph): Likewise.
28215         (build_succ_graph): Likewise.
28216         (rewrite_constraints): Likewise.
28217         (do_simple_structure_copy): Remove.
28218         (do_rhs_deref_structure_copy): Remove.
28219         (do_lhs_deref_structure_copy): Remove.
28220         (collapse_rest_of_var): Remove.
28221         (do_structure_copy): Re-implement.
28222         (pta_stats): New global variable.
28223         (dump_pta_stats): New function.
28224         (struct constraint_expr): Make offset signed.
28225         (UNKNOWN_OFFSET): Define special value.
28226         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
28227         (solution_set_expand): New helper function split out from ...
28228         (do_sd_constraint): ... here.
28229         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
28230         (do_ds_constraint): Likewise.
28231         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
28232         and CALLUSED = *CALLUSED.
28233         (set_union_with_increment): Make inc argument signed.
28234         (type_safe): Remove.
28235         (get_constraint_for_ptr_offset): Handle unknown and negative
28236         constant offsets.
28237         (first_vi_for_offset): Handle offsets before start.  Bail
28238         out early for offsets beyond the variable extent.
28239         (first_or_preceding_vi_for_offset): New function.
28240         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
28241         Together with ESCAPED = *ESCAPED this properly computes reachability.
28242         (find_what_var_points_to): New function.
28243         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
28244         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
28245         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
28246         pt_solutions_intersect): New functions.
28247         (compute_call_used_vars): Remove.
28248         (compute_may_aliases): New main entry into PTA computation.
28249         * gimple.h (gimple_p): New typedef.
28250         (struct gimple_statement_base): Remove references_memory_p.
28251         (struct gimple_statement_with_memory_ops_base): Remove
28252         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
28253         members.
28254         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
28255         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
28256         gimple_set_references_memory): Remove.
28257         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
28258         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
28259         New functions.
28260         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
28261         (verify_expr): Allow RESULT_DECL.
28262         (gimple_duplicate_bb): Do not copy virtual operands.
28263         (gimple_duplicate_sese_region): Adjust.
28264         (gimple_duplicate_sese_tail): Likewise.
28265         (mark_virtual_ops_in_region): Remove.
28266         (move_sese_region_to_fn): Do not call it.
28267         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
28268         and pass_simple_dse.
28269         (execute_function_todo): Handle TODO_update_address_taken,
28270         call execute_update_addresses_taken for TODO_rebuild_alias.
28271         (execute_todo): Adjust.
28272         (execute_one_pass): Init dump files early.
28273         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
28274         call-clobbered.
28275         (create_general_new_stmt): Clear vops.
28276         * tree-ssa-reassoc.c (get_rank): Adjust.
28277         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
28278         symbols for renaming.
28279         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
28280         (PARAM_AVG_ALIASED_VOPS): Likewise.
28281         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
28282         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
28283         * tree-ssa-operands.c: Simplify for new virtual operand representation.
28284         (operand_build_cmp, copy_virtual_operands,
28285         create_ssa_artificial_load_stmt, add_to_addressable_set,
28286         gimple_add_to_addresses_taken): Remove public functions.
28287         (unlink_stmt_vdef): New function.
28288
28289 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
28290
28291         * config.gcc (powerpc-*-linux*): Merge variants.
28292
28293 2009-04-02  Chao-ying Fu  <fu@mips.com>
28294             James Grosbach  <james.grosbach@microchip.com>
28295
28296         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
28297         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
28298         cop0_sp_offset.
28299         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
28300         keep_interrupts_masked_p, use_debug_exception_return_p.
28301         (mips_attribute_table): Add interrupt, use_shadow_register_set,
28302         keep_interrupts_masked, use_debug_exception_return.
28303         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
28304         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
28305         New functions.
28306         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
28307         (mips_print_operand): Process COP0 registers to print $0 .. $31
28308         correctly for GAS to process.
28309         (mips_interrupt_extra_call_saved_reg_p): New function.
28310         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
28311         extra registers.
28312         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
28313         (mips_compute_frame_info): Add supports for interrupt context that
28314         includes doubleword accumulators and COP0 registers.
28315         (mips_for_each_saved_acc): New function.
28316         (mips_for_each_saved_gpr_and_fpr): Change the function name from
28317         mips_for_each_saved_reg.
28318         (mips_save_reg): Save accumulators.
28319         (mips_kernel_reg_p): A new for_each_rtx callback.
28320         (mips_expand_prologue): Support interrupt handlers.
28321         (mips_restore_reg): Restore accumulators.
28322         (mips_expand_epilogue): Support interrupt handlers.
28323         (mips_can_use_return_insn): Return false for interrupt handlers.
28324         (mips_epilogue_uses): New function.
28325         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
28326         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
28327         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
28328         cop0_move): New instructions.
28329         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
28330         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
28331         defines.
28332         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
28333         New defines.
28334         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
28335         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
28336         interrupt handlers, we use K0 as the temporary register.
28337         (EPILOGUE_USES): Change to a function call.
28338         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
28339         handlers, we use K0 as the temporary register.
28340
28341         * doc/extend.texi (Function Attributes): Document interrupt,
28342         use_shadow_register_set, keep_interrupts_masked,
28343         use_debug_exception_return for MIPS attributes.
28344
28345 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
28346
28347         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
28348         Remove a number of t-files from tmake_file.
28349         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
28350         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
28351         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
28352         target_prototype, not TARGET_PROTOTYPE.
28353         (LINK_OS_GNU_SPEC): Define.
28354         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
28355         and darwin-ldoubdle.c.
28356
28357 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
28358
28359         PR driver/39293
28360         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
28361         (cpp_options): Ditto.
28362         (default_compilers): Ditto.
28363         (display_help): Ditto.
28364         (process_command): Ditto.
28365         (do_spec_1): Ditto.
28366         (set_input): Use lbasename instead of duplicate code.
28367         (save_temps_prefix): New static for -save-temps=obj.
28368         (save_temps_length): Ditto.
28369
28370         * doc/invoke.texi (-save-temps=obj): Document new variant to
28371         -save-temps switch.
28372
28373 2009-04-02  Jeff Law  <law@redhat.com>
28374
28375         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
28376         variable.
28377
28378 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
28379
28380         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
28381         * configure: Regenerated.
28382
28383 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
28384
28385         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
28386         share the argument list.
28387
28388 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
28389
28390         Merge
28391
28392         2009-02-12  Diego Novillo  <dnovillo@google.com>
28393
28394         * varpool.c (debug_varpool): New.
28395         * cgraph.h (debug_varpool): Declare.
28396
28397 2009-04-02  Jan Hubicka  <jh@suse.cz>
28398
28399         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
28400         pass.
28401
28402 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
28403
28404         * config/i386/i386.c (ix86_abi): Move initialization to ...
28405         (override_options): Here.
28406
28407 2009-04-02  Christian Bruel  <christian.bruel@st.com>
28408
28409         * config/sh/sh.c (sh_dwarf_register_span): New function.
28410         (TARGET_DWARF_REGISTER_SPAN): Define.
28411         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
28412
28413 2009-04-02  Ira Rosen  <irar@il.ibm.com>
28414
28415         PR tree-optimization/39595
28416         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
28417         interleaved loads group is not  greater than the SLP group size.
28418
28419 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
28420
28421         * builtins.c (is_builtin_name): New.
28422         (called_as_built_in): Use is_builtin_name.
28423         * tree.h (is_builtin_name): New.
28424         * varasm.c (incorporeal_function_p): Use is_builtin_name
28425
28426 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
28427
28428         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
28429
28430 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
28431
28432         PR c++/26693
28433         * c-decl.c (clone_underlying_type): Move this ...
28434         * c-common.c (set_underlying_type): ... here.
28435         Also, make sure the function properly sets TYPE_STUB_DECL() on
28436         the newly created typedef variant type.
28437         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
28438         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
28439         points.
28440
28441 2009-04-02  Richard Guenther  <rguenther@suse.de>
28442
28443         PR tree-optimization/37221
28444         * tree-flow.h (degenerate_phi_result): Declare.
28445         * tree-ssa-dom.c (degenerate_phi_result): Export.
28446         * tree-scalar-evolution.c (analyze_initial_condition): If
28447         the initial condition is defined by a degenerate PHI node
28448         use the degenerate value.
28449
28450 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
28451
28452         PR rtl-optimization/39588
28453         * combine.c (merge_outer_ops): Do not set the constant when this
28454         is not necessary.
28455         (simplify_shift_const_1): Do not modify it either in this case.
28456
28457 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
28458
28459         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
28460         tuning is deprecated if -mtune value is set to an Itanium1 variant.
28461
28462 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
28463
28464         PR c/29027
28465         * c-lex.c (interpret_float): Default (no suffix) is double.
28466
28467 2009-04-1  Xinliang David Li  <davidxl@google.com>
28468
28469         * config/i386/i386.c (legitimate_constant_p): Recognize
28470         all one vector constant.
28471
28472 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28473
28474         * config/vax/vax.c: Add #includes to silence warnings.
28475         Change #include order to silence two warnings.
28476
28477 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28478
28479         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
28480         (ASM_SPEC): Pass -k to the assembler for PIC code.
28481
28482 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28483
28484         * config.gcc: Add vax-*-linux* to the switch.
28485         * config/vax/linux.h: New file. (TARGET_VERSION,
28486         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
28487
28488 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28489
28490         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
28491         Use predicate macros instead of GET_CODE() == foo.
28492         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
28493         ashlsi3, rotrsi3, <unnamed>): Likewise.
28494
28495 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28496
28497         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
28498         jbbccihi, jbbccisi): Remova trailing whitespace.
28499         * config/vax/constraints.md: Likewise.
28500         * config/vax/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
28501         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
28502         * config/vax/predicates.md: Likewise.
28503         * config/vax/vax.c (print_operand_address, vax_output_int_move,
28504         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
28505         * config/vax/vax.h: Likewise.
28506         * config/vax/vax.md (nonlocal_goto): Likewise.
28507
28508 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28509
28510         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
28511         (indirectable_address_p, adjacent_operands_p): Add spaces around
28512         braces.
28513         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
28514
28515 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28516
28517         * config/vax/vax.c (legitimate_constant_address_p,
28518         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
28519         index_term_p, reg_plus_index_p, legitimate_address_p,
28520         vax_mode_dependent_address_p): Update comments to match functions
28521         modified by the recent int->bool conversion.
28522
28523 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28524
28525         * config/vax/builtins.md: Update copyright message.
28526         * config/vax/constraints.md: Likewise.
28527         * config/vax/netbsd-elf.h: Likewise.
28528         * config/vax/predicates.md: Likewise.
28529         * config/vax/vax-protos.h: Likewise.
28530         * config/vax/vax.c: Likewise.
28531         * config/vax/vax.h: Likewise.
28532         * config/vax/vax.md: Likewise.
28533         * config/vax/vax.opt: Likewise.
28534
28535 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28536
28537         * config/vax/builtins.md (ffssi2, ffssi2_internal,
28538         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
28539         * config/vax/constraints.md (B, R): Likewise.
28540         * config/vax/predicates.md (external_memory_operand,
28541         nonimmediate_addsub_di_operand): Likewise.
28542         * config/vax/vax.c (vax_output_int_add): Likewise.
28543         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
28544         untyped_call): Likewise.
28545
28546 2009-04-01  Matt Thomas  <matt@3am-software.com>
28547
28548         * config/vax/predicates.md: New file.
28549         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
28550         external_const_operand, nonsymbolic_operand, external_memory_operand,
28551         indirect_memory_operand, indexed_memory_operand,
28552         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
28553         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
28554         predicate.
28555         * config/vax/constraints.md: New file.
28556         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
28557         New constraint.
28558         * config/vax/builtins.md: New file.
28559         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
28560         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
28561         jbbccisi): Define.
28562         * config/vax/vax.opt (mqmath): Add option.
28563         * config/vax/vax.md (isfx): Extend with DI.
28564         (VAXintQH, VAXintQHSD): Define.
28565         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
28566         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
28567         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
28568         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
28569         (movdi): Update constraints and use vax_output_int_move().
28570         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
28571         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
28572         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
28573         nonlocal_goto): New.
28574         (mov<mode>): Extend accepted operand types.
28575         (subdi3_old): Rename from subdi3, change update constraints and use
28576         a new implementation.
28577         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
28578         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
28579         MOVE_RATIO, CLEAR_RATIO): Define.
28580         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
28581         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
28582         (PRINT_OPERAND): Redefine using a function instead of inlined code.
28583         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
28584         (split_quadword_operands): Make static and really allow variable
28585         splitting.
28586         (print_operand_address): Update for PIC generation.
28587         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
28588         indexable_address_p, fixup_mathdi_operand,
28589         vax_expand_addsub_di_operands, adjacent_operands_p): New.
28590         (vax_float_literal, legitimate_constant_p,
28591         indirectable_constant_address_p, index_term_p,
28592         reg_plus_index_p): Return bool instead of int.
28593         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
28594         where needed.
28595         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
28596         generation.
28597         (vax_output_conditional_branch): Indent.
28598         (legitimate_constant_address_p, indirectable_constant_address_p,
28599         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
28600         vax_mode_dependent_address_p): Return bool instead of int, update for
28601         PIC generation.
28602         * config/vax/vax-protos.h (legitimate_constant_address_p,
28603         legitimate_constant_p, legitimate_address_p,
28604         vax_mode_dependent_address_p): Change declaration to bool.
28605         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
28606         vax_expand_addsub_di_operands, vax_output_int_subtract,
28607         vax_output_movmemsi): Declare.
28608         (split_quadword_operands, vax_float_literal): Delete declaration.
28609         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
28610         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
28611         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
28612         ASM_OUTPUT_DWARF_PCREL): Define.
28613         (ASM_SPEC): Change definition to allow PIC generation.
28614
28615 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
28616
28617         * doc/sourcebuild.texi: Update front-end requirements.
28618
28619 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
28620
28621         PR target/39226
28622         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
28623         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
28624         (booldi3_internal3): Use boolean_or_operator instead of
28625         boolean_operator.
28626
28627 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
28628
28629         PR c/39605
28630         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
28631         declarator whose size is not an integer constant expression but
28632         folds to an integer constant, then treat it as a constant
28633         subsequently.
28634
28635 2009-04-01  Richard Guenther  <rguenther@suse.de>
28636
28637         * fold-const.c (fold_plusminus_mult_expr): Do not fold
28638         i * 4 + 2 to (i * 2 + 1) * 2.
28639
28640 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
28641
28642         PR c/37772
28643         * c-parser.c (c_parser_asm_statement): Skip until close paren and
28644         return if c_parser_asm_string_literal returned NULL.
28645
28646 2009-04-01  Nick Clifton  <nickc@redhat.com>
28647
28648         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
28649         already defined.
28650         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
28651         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
28652         other typedefs to avoid conflicts with libgcc2.c.  Define labels
28653         to gain 16-bit bit-manipulation functions from libgcc2.c and then
28654         include it.
28655         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
28656         to gain 16-bit trapping arithmetic functions from libgcc2.c and
28657         then include it.
28658
28659 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
28660
28661         * varasm.c (default_function_rodata_section): Declare DOT as
28662         const char*.
28663
28664 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
28665             Andrey Galkin  <agalkin@hypercom.com>
28666
28667         PR/39492
28668         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
28669         Make object_name unique for each process.
28670
28671 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
28672
28673         PR other/39591
28674         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
28675         addressable variables in the parallel that could go out of scope while
28676         running queued tasks.
28677
28678 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
28679
28680         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
28681         (CASE_VALUES_THRESHOLD): Redefine.
28682         * config/avr/avr.c (avr_override_options): Remove initialization of
28683         avr_case_values_threshold variable.
28684         (avr_case_values_threshold): Remove variable. Add new function.
28685         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
28686         * config/avr/avr.opt (mno-tablejump): Remove option.
28687         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
28688
28689 2009-04-01  DJ Delorie  <dj@redhat.com>
28690
28691         * varasm.c (default_function_rodata_section): Don't assume
28692         anything about where the first '.' in the section name is.
28693
28694 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
28695
28696         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
28697         rs6000_emit_stack_tie.
28698
28699 2009-03-31  Ian Lance Taylor  <iant@google.com>
28700
28701         * tree-eh.c (tree_remove_unreachable_handlers): Compare
28702         gimple_code with GIMPLE_RESX, not RESX.
28703
28704 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28705
28706         * c-common.c (c_get_ident): New.
28707         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
28708
28709 2009-04-01  Ben Elliston  <bje@au.ibm.com>
28710
28711         * config/rs6000/sysv4.opt (msdata): Improve option description.
28712
28713 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
28714
28715         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
28716         (divdf3_internal_lat): Remove.
28717         (divxf3_internal_lat): Remove.
28718         (divxf3_internal_thr): Remove.
28719         (divxf): Use divxf3_internal.
28720         * config/ia64/div.md (divsf3_internal_lat): New.
28721         (divdf3_internal_lat): New.
28722         (divxf3_internal): New.
28723
28724 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28725
28726         PR c/448
28727         * Makefile.in (USE_GCC_STDINT): Define.
28728         (stmp-int-hdrs): Install stdint.h if applicable.
28729         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
28730         if known.
28731         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
28732         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
28733         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
28734         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
28735         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
28736         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
28737         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
28738         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
28739         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
28740         (c_common_nodes_and_builtins): Initialize
28741         underlying_wchar_type_node.  Do not initialize
28742         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
28743         nodes for new types.
28744         (c_stddef_cpp_builtins): Define macros for new types.
28745         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
28746         Remove.
28747         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
28748         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
28749         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
28750         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
28751         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
28752         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
28753         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
28754         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
28755         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
28756         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
28757         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
28758         int16_type_node, int32_type_node, int64_type_node,
28759         uint8_type_node, uint16_type_node, c_uint32_type_node,
28760         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
28761         int_least32_type_node, int_least64_type_node,
28762         uint_least8_type_node, uint_least16_type_node,
28763         uint_least32_type_node, uint_least64_type_node,
28764         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
28765         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
28766         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
28767         uintptr_type_node): Define.
28768         * c-cppbuiltin.c (builtin_define_constants,
28769         builtin_define_type_minmax): New.
28770         (builtin_define_stdint_macros): Define more macros.
28771         (c_cpp_builtins): Define more limit macros.
28772         (type_suffix): New.
28773         (builtin_define_type_max): Define in terms of
28774         builtin_define_type_minmax.  Remove is_long parameter.  All
28775         callers changed.
28776         * config.gcc (use_gcc_stdint): Define.
28777         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
28778         Add newlib-stdint.h for generic targets.
28779         * config/glibc-stdint.h, config/newlib-stdint.h,
28780         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
28781         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
28782         * config/score/score.h (UINTPTR_TYPE): Define.
28783         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
28784         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
28785         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
28786         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
28787         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
28788         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
28789         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
28790         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
28791         * config/spu/spu.h (STDINT_LONG32): Define.
28792         * configure.ac (use_gcc_stdint): Substitute.
28793         * configure: Regenerate.
28794         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
28795         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
28796         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
28797         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
28798         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
28799         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
28800         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
28801         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
28802         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
28803         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
28804         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
28805         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
28806         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
28807         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
28808         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
28809         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
28810         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
28811         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
28812         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
28813         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
28814         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
28815         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
28816         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
28817         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
28818         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
28819         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
28820         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
28821         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
28822         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
28823
28824 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
28825
28826         * loop-iv.c (suitable_set_for_replacement): Renamed from
28827         simplify_using_assignment; changed to return bool and to accept new
28828         args DEST and SRC.  Return true iff we find a source/destination pair
28829         that can be used to make a replacement, and fill SRC and DEST if so.
28830         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
28831         changed.
28832         (simplify_using_initial_values): Deal with altered regs here and track
28833         more precisely the effect they have on the validity of our expression.
28834
28835         * loop-iv.c (simplify_using_condition): A condition of the form
28836         (EQ REG CONST) can be used to simply make a substitution.
28837         (simplify_using_initial_values): Keep track of conditions we have seen
28838         and keep using them to simplify new expressions, while applying the
28839         same substitutions to them as to the expression.
28840
28841         * simplify-rtx.c (simplify_relational_operation_1): Simplify
28842         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
28843         GEU/LTU reversed.
28844
28845         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
28846         changed.  Use this when trying to improve the upper bound.
28847         Generate the comparison by using simplify_gen_relational.
28848
28849         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
28850
28851         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
28852         functions.
28853         (simplify_using_assignment, simplify_using_initial_values): Call
28854         replace_in_expr to make replacements.  Call replace_single_def_regs
28855         once on the initial version of the expression.
28856
28857 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
28858
28859         PR target/27237
28860         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
28861
28862 2009-03-31  Richard Guenther  <rguenther@suse.de>
28863
28864         PR middle-end/31029
28865         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
28866         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
28867
28868 2009-03-31  Richard Guenther  <rguenther@suse.de>
28869
28870         * tree.h (div_if_zero_remainder): Declare.
28871         * fold-const.c (div_if_zero_remainder): Export.
28872         * tree-ssa-forwprop.c
28873         (forward_propagate_addr_into_variable_array_index): Handle
28874         constant array index addition outside of the variable index.
28875
28876 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28877
28878         PR target/39592
28879         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
28880         define_splits, floatunssi<mode>2): Require x87 conversions from
28881         DImode to be permitted.
28882
28883 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28884
28885         PR preprocessor/15638
28886         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
28887
28888 2009-03-31  Richard Guenther  <rguenther@suse.de>
28889
28890         PR middle-end/23401
28891         PR middle-end/27810
28892         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
28893         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
28894         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
28895         a separate statement.
28896         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
28897         (lookup_tmp_var): Likewise.
28898         (is_gimple_formal_tmp_or_call_rhs): Remove.
28899         (is_gimple_reg_or_call_rhs): Rename to ...
28900         (is_gimple_reg_rhs_or_call): ... this.
28901         (is_gimple_mem_or_call_rhs): Rename to ...
28902         (is_gimple_mem_rhs_or_call): ... this.
28903         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
28904         DECL_GIMPLE_REG_P only if is_formal is true.
28905         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
28906         for non-proper post-modify expression gimplification.
28907         (gimplify_self_mod_expr): For post-modify expressions gimplify
28908         the lvalue to a minimal lvalue.
28909         (rhs_predicate_for): Remove formal temp case.
28910         (gimplify_modify_expr_rhs): Likewise.
28911         (gimplify_addr_expr): Use is_gimple_reg.
28912         (gimplify_expr): Remove formal temp cases.
28913         (gimple_regimplify_operands): Likewise.
28914         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
28915         and FILTER_EXPR like constants.
28916         * gimple.c (walk_gimple_op): Fix val_only initialization, use
28917         is_gimple_reg.
28918         (is_gimple_formal_tmp_rhs): Remove.
28919         (is_gimple_reg_rhs): Remove special casing.
28920         (is_gimple_mem_rhs): Fix.
28921         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
28922         (is_gimple_formal_tmp_var): Remove.
28923         (is_gimple_formal_tmp_reg): Likewise.
28924         (is_gimple_min_lval): Allow invariant component ref parts.
28925         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
28926         is_gimple_formal_tmp_reg): Remove declarations.
28927         * tree-cfg.c (verify_expr): Verify that variables with address
28928         taken do not have DECL_GIMPLE_REG_P set.
28929         * tree-mudflap.c (mf_build_check_statement_for): Use
28930         force_gimple_operand instead of gimplify_expr.
28931
28932 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
28933
28934         * modulo-sched.c (sms_schedule_by_order): Pass the actual
28935         schedulable rows to compute_split_row.
28936
28937 2009-03-31  Ben Elliston  <bje@au.ibm.com>
28938
28939         PR target/31635
28940         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
28941         OPT_mvrsave.
28942
28943 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
28944
28945         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
28946         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
28947         * configure: Regenerate.
28948         * config.in: Regenerate.
28949         * config/rs6000/rs6000.opt (mtls-markers): Add.
28950         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
28951         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
28952         (tls_ld_aix, tls_ld_sysv): Likewise.
28953         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
28954         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
28955
28956 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
28957
28958         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
28959
28960 2009-03-30  Jan Hubicka  <jh@suse.cz>
28961
28962         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
28963         out of RESX.
28964         (tree_remove_unreachable_handlers): Cleanup EH predecestor
28965         detection and label handling.
28966
28967 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
28968
28969         * ira-int.h (ira_allocno): Rename left_conflicts_num to
28970         left_conflicts_size.
28971         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
28972         ALLOCNO_LEFT_CONFLICTS_SIZE.
28973
28974         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
28975         remove_allocno_from_bucket_and_push,
28976         allocno_spill_priority_compare, push_allocnos_to_stack,
28977         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
28978         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
28979         (setup_allocno_left_conflicts_num): Ditto.  Rename to
28980         setup_allocno_left_conflicts_size.
28981         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
28982         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
28983         setup_allocno_left_conflicts_size instead of
28984         setup_allocno_left_conflicts_num.
28985
28986         * ira-build.c (ira_create_allocno): Use
28987         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
28988         ALLOCNO_LEFT_CONFLICTS_NUM.
28989
28990 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
28991
28992         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
28993         instead of DF_LR_OUT.
28994
28995         * ira-lives.c (process_bb_node_lives): Ditto.
28996
28997         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
28998         instead of DF_LR_{OUT,IN}.
28999
29000         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
29001
29002         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
29003
29004 2009-03-30  Jan Hubicka  <jh@suse.cz>
29005
29006         * except.c (label_to_region_map): Fix thinko.
29007
29008 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
29009
29010         PR middle-end/38237
29011         * tree.h (tree_find_value): New declaration.
29012         * tree.c (tree_find_value): New function.
29013         * varasm.c (assemble_external): Avoid duplicate entries on lists.
29014
29015 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
29016
29017         PR debug/39563
29018         * c-decl.c (struct c_binding): Add locus field.
29019         (bind): Add locus argument, set locus field from it.
29020         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
29021         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
29022         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
29023         implicitly_declare, undeclared_variable, lookup_label,
29024         declare_label, c_make_fname_decl, c_builtin_function,
29025         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
29026         bind callers.
29027
29028 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
29029
29030         PR target/38781
29031         * config/i386/i386.c (classify_argument): Check total size of
29032         structure.
29033
29034 2009-03-30  Martin Jambor  <mjambor@suse.cz>
29035
29036         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
29037         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
29038         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
29039         respectively.
29040
29041         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
29042         seen_variable_array_ref while also traversing a union.
29043
29044         * tree-inline.c (optimize_inline_calls): Do not call
29045         cgraph_node_remove_callees.
29046         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
29047         (pass_remove_cgraph_callee_edges): New variable.
29048         * passes.c (init_optimization_passes): Add
29049         pass_remove_cgraph_callee_edges after early inlining and before all
29050         late intraprocedural passes.
29051
29052         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
29053
29054 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
29055
29056         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
29057         Fix typos in names.
29058
29059 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
29060
29061         * combine.c (simplify_comparison): Use have_insn_for.
29062         * dojump.c (do_jump): Likewise.
29063
29064 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
29065
29066         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
29067         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
29068         sparc_compare_op0 like sparc_compare_emitted used to be handled.
29069         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
29070         instead of sparc_compare_emitted.
29071         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
29072         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
29073         instead of sparc_compare_emitted.
29074
29075 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
29076
29077         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
29078         enter/exit cfglayout mode.
29079         (pass_partition_block): Require it.
29080         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
29081         (combine_instructions): Track basic blocks instead of labels.
29082         (update_cfg_for_uncondjump): New.
29083         (try_combine): Use it.  Update jumps after rescanning.
29084         (pass_combine): Require PROP_cfglayout.
29085         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
29086
29087 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
29088
29089         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
29090         Provide/destroy PROP_cfglayout respectively.
29091         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
29092         * tree-pass.h (PROP_cfglayout): New.
29093
29094 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
29095
29096         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
29097         fold_convert_const_fixed_from_fixed,
29098         fold_convert_const_fixed_from_int,
29099         fold_convert_const_fixed_from_real, fold_negate_const): Do not
29100         set TREE_CONSTANT_OVERFLOW.
29101         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
29102         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
29103
29104 2009-03-30  Ira Rosen  <irar@il.ibm.com>
29105
29106         * tree-vect-loop-manip.c: New file.
29107         * tree-vectorizer.c: Update documentation and included files.
29108         (vect_loop_location): Make extern.
29109         (rename_use_op): Move to tree-vect-loop-manip.c
29110         (rename_variables_in_bb, rename_variables_in_loop,
29111         slpeel_update_phis_for_duplicate_loop,
29112         slpeel_update_phi_nodes_for_guard1,
29113         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
29114         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
29115         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
29116         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
29117         find_loop_location): Likewise.
29118         (new_stmt_vec_info): Move to tree-vect-stmts.c.
29119         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
29120         get_vectype_for_scalar_type, vect_is_simple_use,
29121         supportable_widening_operation, supportable_narrowing_operation):
29122         Likewise.
29123         (bb_in_loop_p): Move to tree-vect-loop.c.
29124         (new_loop_vec_info, destroy_loop_vec_info,
29125         reduction_code_for_scalar_code, report_vect_op,
29126         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
29127         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
29128         (vect_supportable_dr_alignment): Likewise.
29129         * tree-vectorizer.h (tree-data-ref.h): Include.
29130         (vect_loop_location): Declare.
29131         Reorganize function declarations according to the new file structure.
29132         * tree-vect-loop.c: New file.
29133         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
29134         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
29135         * tree-vect-data-refs.c: New file.
29136         * tree-vect-patterns.c (timevar.h): Don't include.
29137         * tree-vect-stmts.c: New file.
29138         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
29139         tree-vect-slp.c, tree-vect-loop.c.
29140         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
29141         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
29142         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
29143         (tree-vect-analyze.o): Remove.
29144         (tree-vect-transform.o): Likewise.
29145         (tree-vect-data-refs.o): Add rule.
29146         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
29147         tree-vect-slp.o): Likewise.
29148         (tree-vect-patterns.o): Remove redundant dependencies.
29149         (tree-vectorizer.o): Likewise.
29150         * tree-vect-slp.c: New file.
29151
29152 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29153
29154         * optc-gen.awk: Warn if an option flag has multiple different
29155         help strings.
29156
29157 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
29158
29159         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
29160         -floop-block): Document dependences on PPL, CLooG and Graphite.
29161
29162 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
29163
29164         PR rtl-optimization/323
29165         * c-common.c (c_fully_fold, convert_and_check,
29166         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
29167         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
29168         * c-common.def (EXCESS_PRECISION_EXPR): New.
29169         * c-cppbuiltin.c (builtin_define_float_constants): Define
29170         constants with enough digits for long double.
29171         * c-lex.c (interpret_float): Interpret constant with excess
29172         precision where appropriate.
29173         * c-opts.c (c_common_post_options): Set
29174         flag_excess_precision_cmdline.  Give an error for
29175         -fexcess-precision=standard for C++ for processors where the
29176         option is significant.
29177         * c-parser.c (c_parser_conditional_expression): Handle excess
29178         precision in condition.
29179         * c-typeck.c (convert_arguments): Handle arguments with excess
29180         precision.
29181         (build_unary_op): Move excess precision outside operation.
29182         (build_conditional_expr): Likewise.
29183         (build_compound_expr): Likewise.
29184         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
29185         (build_modify_expr): Handle excess precision in RHS.
29186         (convert_for_assignment): Handle excess precision in converted
29187         value.
29188         (digest_init, output_init_element, process_init_element): Handle
29189         excess precision in initializer.
29190         (c_finish_return): Handle excess precision in return value.
29191         (build_binary_op): Handle excess precision in operands and add
29192         excess precision as needed for operation.
29193         * common.opt (-fexcess-precision=): New option.
29194         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
29195         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
29196         For standard excess precision, output explicit conversion to and
29197         truncation from XFmode.
29198         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
29199         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
29200         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
29201         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
29202         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
29203         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
29204         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
29205         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
29206         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
29207         define_splits, sqrt<mode>2): Disable where appropriate for
29208         standard excess precision.
29209         * convert.c (convert_to_real): Do not shorten arithmetic to type
29210         for which excess precision would be used.
29211         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
29212         * doc/invoke.texi (-fexcess-precision=): Document option.
29213         (-mfpmath=): Correct index entry.
29214         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
29215         flag_excess_precision): New.
29216         * langhooks.c (lhd_post_options): Set
29217         flag_excess_precision_cmdline.
29218         * opts.c (common_handle_option): Handle -fexcess-precision=.
29219         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
29220         init_excess_precision): New.
29221         (lang_dependent_init_target): Call init_excess_precision.
29222         * tree.c (excess_precision_type): New.
29223         * tree.h (excess_precision_type): Declare.
29224
29225 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
29226
29227         PR c/35235
29228         * c-typeck.c (build_component_ref): Do not copy qualifiers from
29229         non-lvalue to component.
29230
29231 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
29232
29233         PR preprocessor/34695
29234         * Makefile.in (c-opts.o): Depend on c-tree.h.
29235         * c-common.c: Move down include of diagnostic.h.
29236         (done_lexing, c_cpp_error): New.
29237         * c-common.h (done_lexing): Declare.
29238         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
29239         (parse_in).
29240         * c-opts.c: Include c-tree.h.
29241         (c_common_init_options): Set preprocessor error callback.
29242         (c_common_handle_option): Do not set preprocessor
29243         inhibit_warnings, warnings_are_errors, warn_system_headers,
29244         pedantic_errors or inhibit_warnings flags.
29245         (c_common_post_options): Do not check cpp_errors (parse_in).
29246         (c_common_finish): Do not output dependencies if there were
29247         errors.  Do not check return value of cpp_finish.
29248         * c-ppoutput.c (pp_file_change): Set input_location.
29249         * c-tree.h (c_cpp_error): Declare.
29250         * diagnostic.c (diagnostic_set_info_translated): Also initialize
29251         override_column.
29252         (diagnostic_build_prefix): Check override_column.
29253         * diagnostic.h (diagnostic_info): Add override_column field.
29254         (diagnostic_override_column): Define.
29255
29256 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
29257
29258         * c-common.c (c_expand_expr, c_staticp): Remove.
29259         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
29260         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
29261         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
29262         * c-gimplify.c (gimplify_compound_literal_expr,
29263         optimize_compound_literals_in_ctor): Remove.
29264         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
29265         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
29266         * c-semantics.c (emit_local_var): Remove.
29267
29268         * langhooks-def.h (lhd_expand_expr): Remove.
29269         * langhooks.c (lhd_expand_expr): Remove.
29270         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
29271
29272         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
29273         handling from c-semantics.c; don't call into langhook.
29274         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
29275         * gimplify.c (gimplify_compound_literal_expr,
29276         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
29277         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
29278         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
29279         as was done in c-gimplify.c.
29280         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
29281         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
29282         Move from c-common.h.
29283         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
29284
29285         * tree.c (staticp): Do not call langhook.
29286         * langhooks.c (lhd_staticp): Delete.
29287         * langhooks-def.h (lhd_staticp): Delete prototype.
29288         (LANG_HOOKS_STATICP): Delete.
29289         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
29290
29291         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
29292         instead of DECL_STMTs.
29293
29294 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
29295
29296         PR c/456
29297         PR c/5675
29298         PR c/19976
29299         PR c/29116
29300         PR c/31871
29301         PR c/35198
29302         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
29303         void_type_node.
29304         (fold_call_expr): Return a NOP_EXPR from folding rather than the
29305         contained expression.
29306         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
29307         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
29308         conditional expressions for C.
29309         (decl_constant_value_for_optimization): Move from
29310         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
29311         whether optimizing and that the expression is a VAR_DECL not of
29312         array type instead of doing such checks in the caller.  Do not
29313         check pedantic.  Call gcc_unreachable for C++.
29314         * c-common.def (C_MAYBE_CONST_EXPR): New.
29315         * c-common.h (c_fully_fold, c_save_expr,
29316         decl_constant_value_for_optimization): New prototypes.
29317         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
29318         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
29319         EXPR_INT_CONST_OPERANDS): Define.
29320         * c-convert.c (convert): Strip nops from expression.
29321         * c-decl.c (groktypename): Take extra parameters expr and
29322         expr_const_operands.  Update call to grokdeclarator.
29323         (start_decl): Update call to grokdeclarator.  Add statement for
29324         expressions used in type of decl.
29325         (grokparm): Update call to grokdeclarator.
29326         (push_parm_decl): Update call to grokdeclarator.
29327         (build_compound_literal): Add parameter non_const and build a
29328         C_MAYBE_COSNT_EXPR if applicable.
29329         (grokdeclarator): Take extra parameters expr and
29330         expr_const_operands.  Track expressions used in declaration
29331         specifiers and declarators.  Fold array sizes and track whether
29332         they are constant expressions and whether they are integer
29333         constant expressions.
29334         (parser_xref_tag): Set expr and expr_const_operands fields in
29335         return value.
29336         (grokfield): Update call to grokdeclarator.
29337         (start_function): Update call to grokdeclarator.
29338         (build_null_declspecs): Set expr and expr_const_operands fields in
29339         return value.
29340         (declspecs_add_type): Handle expressions in typeof specifiers.
29341         * c-parser.c (c_parser_declspecs): Set expr and
29342         expr_const_operands fields for declaration specifiers.
29343         (c_parser_enum_specifier): Likewise.
29344         (c_parser_struct_or_union_specifier): Likewise.
29345         (c_parser_typeof_specifier): Likewise.  Update call to
29346         groktypename.  Fold expression as needed.  Return expressions with
29347         type instead of adding statements.
29348         (c_parser_attributes): Update calls to c_parser_expr_list.
29349         (c_parser_statement_after_labels): Fold expression before passing
29350         to objc_build_throw_stmt.
29351         (c_parser_condition): Fold expression.
29352         (c_parser_asm_operands): Fold expression.
29353         (c_parser_conditional_expression): Use c_save_expr.  Update call
29354         to build_conditional_expr.
29355         (c_parser_alignof_expression): Update call to groktypename.
29356         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
29357         original_code.  Fold expression argument of va_arg.  Create
29358         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
29359         argument to va_arg.  Update calls to groktypename.  Fold array
29360         index for offsetof.  Verify that first argument to
29361         __builtin_choose_expr has integer type.
29362         (c_parser_postfix_expression_after_paren_type): Update calls to
29363         groktypename and build_compound_literal.  Handle expressions with
29364         side effects in type name.
29365         (c_parser_postfix_expression_after_primary): Update call to
29366         c_parser_expr_list.  Set original_code for calls to
29367         __builtin_constant_p.
29368         (c_parser_expr_list): Take extra parameter fold_p.  Fold
29369         expressions if requested.
29370         (c_parser_objc_type_name): Update call to groktypename.
29371         (c_parser_objc_synchronized_statement): Fold expression.
29372         (c_parser_objc_receiver): Fold expression.
29373         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
29374         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
29375         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
29376         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
29377         (struct c_typespec): Add elements expr and expr_const_operands.
29378         (struct c_declspecs): Add elements expr and expr_const_operands.
29379         (groktypename, build_conditional_expr, build_compound_literal):
29380         Update prototypes.
29381         (in_late_binary_op): Declare.
29382         * c-typeck.c (note_integer_operands): New function.
29383         (in_late_binary_op): New variable.
29384         (decl_constant_value_for_broken_optimization): Move to c-common.c
29385         and rename to decl_constant_value_for_optimization.
29386         (default_function_array_conversion): Do not strip nops.
29387         (default_conversion): Do not call
29388         decl_constant_value_for_broken_optimization.
29389         (build_array_ref): Do not fold result.
29390         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
29391         result when operand is a VLA.
29392         (c_expr_sizeof_type): Update call to groktypename.  Handle
29393         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
29394         result when operand names a VLA type.
29395         (build_function_call): Update call to build_compound_literal.
29396         Only fold result for calls to __builtin_* functions.  Strip
29397         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
29398         the function designator.
29399         (convert_arguments): Fold arguments.  Update call to
29400         convert_for_assignment.
29401         (build_unary_op): Handle increment and decrement of
29402         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
29403         decrement earlier.  Fold operand of increment and decrement.
29404         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
29405         built for integer operand.  Wrap returns that are INTEGER_CSTs
29406         without being integer constant expressions or that have integer
29407         constant operands without being INTEGER_CSTs.
29408         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
29409         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
29410         result is an integer constant expression or can be used in
29411         unevaluated parts of one and avoid folding and wrap as
29412         appropriate.  Fold operands before possibly doing -Wsign-compare
29413         warnings.
29414         (build_compound_expr): Wrap result for C99 if operands can be used
29415         in integer constant expressions.
29416         (build_c_cast): Update call to digest_init.  Do not ignore
29417         overflow from casting floating-point constants to integers.  Wrap
29418         results that could be confused with integer constant expressions,
29419         null pointer constants or floating-point constants.
29420         (c_cast_expr): Update call to groktypename.  Handle expressions
29421         included in type name.
29422         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
29423         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
29424         Update calls to convert_for_assignment.
29425         (convert_for_assignment): Take new parameter
29426         null_pointer_constant.  Do not strip nops or call
29427         decl_constant_value_for_broken_optimization.  Set
29428         in_late_binary_op for conversions to boolean.
29429         (store_init_value): Update call to digest_init.
29430         (digest_init): Take new parameter null_pointer_constant.  Do not
29431         call decl_constant_value_for_broken_optimization.  pedwarn for
29432         initializers not constant expressions.  Update calls to
29433         convert_for_assignment.
29434         (constructor_nonconst): New.
29435         (struct constructor_stack): Add nonconst element.
29436         (really_start_incremental_init, push_init_level, pop_init_level):
29437         Handle constructor_nonconst and nonconst element.
29438         (set_init_index): Call constant_expression_warning for array
29439         designators.
29440         (output_init_element): Fold value.  Set constructor_nonconst as
29441         applicable.  pedwarn for initializers not constant expressions.
29442         Update call to digest_init.  Call constant_expression_warning
29443         where constant initializers are required.
29444         (process_init_element): Use c_save_expr.
29445         (c_finish_goto_ptr): Fold expression.
29446         (c_finish_return): Fold return value.  Update call to
29447         convert_for_assignment.
29448         (c_start_case): Fold switch expression.
29449         (c_process_expr_stmt): Fold expression.
29450         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
29451         ensure statement expression is not evaluated in constant expression.
29452         (build_binary_op): Track whether results are integer constant
29453         expressions or may occur in such, disable folding and wrap results
29454         as applicable.  Fold operands for -Wsign-compare warnings unless
29455         in_late_binary_op.
29456         (c_objc_common_truthvalue_conversion): Handle results folded to
29457         integer constants that are not integer constant expressions.
29458         * doc/extend.texi: Document when typeof operands are evaluated,
29459         that condition of __builtin_choose_expr is an integer constant
29460         expression, and more about use of __builtin_constant_p in
29461         initializers.
29462
29463 2009-03-29  Richard Guenther  <rguenther@suse.de>
29464
29465         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
29466         propagate addresses of array references.
29467
29468 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
29469
29470         * regmove.c (perhaps_ends_bb_p): Remove.
29471         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
29472         from INSN and check that the main loop stays within that basic block.
29473         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
29474         (regmove_forward_pass): Split out from regmove_optimize.  Use
29475         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
29476         (regmove_backward_pass): Split out from regmove_optimize.  Use
29477         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
29478         (regmove_optimize): Simplify.
29479
29480 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
29481
29482         PR target/39545
29483         * config/i386/i386.c (classify_argument): Ignore flexible array
29484         member in struct and warn ABI change.
29485
29486 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
29487
29488         * config/i386/i386-protos.h (ix86_agi_dependent): New.
29489
29490         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
29491         (ix86_adjust_cost): Updated.
29492
29493 2009-03-29  Jan Hubicka  <jh@suse.cz>
29494
29495         PR middle-end/28850
29496         * tree-pass.h (pass_cleanup_eh): New function.
29497         (remove_unreachable_regions): Break code handling RTL
29498         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
29499         that can not be reached by runtime.
29500         (can_be_reached_by_runtime): New function.
29501         (label_to_region_map): New function.
29502         (num_eh_regions): New function.
29503         (rtl_remove_unreachable_regions): New function.
29504         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
29505         (remove_eh_region): New function.
29506         * except.h: Include sbitmap and vecprim.
29507         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
29508         num_eh_regions): Declare.
29509         * passes.c (init_optimization_passes): Schedule cleanup_eh.
29510         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
29511         * tree-eh.c (tree_remove_unreachable_handlers): New function.
29512         (tree_empty_eh_handler_p): New function.
29513         (cleanup_empty_eh): New function.
29514         (cleanup_eh): New function.
29515         (pass_cleanup_eh): New function.
29516
29517 2009-03-29  Jan Hubicka  <jh@suse.cz>
29518
29519         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
29520         for removed regions.
29521
29522 2009-03-29  Jan Hubicka  <jh@suse.cz>
29523
29524         * except.c (dump_eh_tree): Dump all datastructures.
29525
29526 2009-03-29  Jan Hubicka  <jh@suse.cz>
29527
29528         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
29529         (duplicate_eh_regions_1): Likewise.
29530         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
29531         vector; call EH verification.
29532         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
29533         Be ready for region being removed.
29534
29535 2009-03-29  Jan Hubicka  <jh@suse.cz>
29536
29537         * bitmap.c (bitmap_last_set_bit): New function.
29538         * bitmap.h (bitmap_last_set_bit): Declare.
29539
29540 2009-03-29  David Ayers  <ayers@fsfe.org>
29541
29542         PR objc/27377
29543         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
29544         by calling objc_compare_types and surpress warnings about
29545         incompatible C pointers that are compatible ObjC pointers.
29546
29547 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
29548
29549         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
29550         call initialize_inline_failed.
29551         (initialize_inline_failed): Move it from here ...
29552         * cgraph.c (initialize_inline_failed): ... to here.
29553         (cgraph_create_edge): Call initialize_inline_failed rather than
29554         setting inline_failed directly.
29555
29556 2009-03-29  Ben Elliston  <bje@au.ibm.com>
29557
29558         PR target/32542
29559         * sysv4.opt (msdata): Improve comment.
29560         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
29561         * sysv4.h (SVR4_ASM_SPEC): Likewise.
29562
29563 2009-03-29  Ben Elliston  <bje@au.ibm.com>
29564
29565         PR target/30451
29566         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
29567         load and store attributes.
29568
29569 2009-03-29  Ben Elliston  <bje@au.ibm.com>
29570
29571         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
29572         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
29573         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
29574         * doc/extend.texi (X86 Built-in Functions): Add index entries for
29575         __builtin_infq and __builtin_huge_valq.
29576
29577 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
29578
29579         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
29580         atmega8m1 devices.
29581         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
29582         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
29583
29584 2009-03-28  Xinliang David Li  <davidxl@google.com>
29585
29586         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
29587         (do_dbg_cnt): New function.
29588
29589 2009-03-28  Jan Hubicka  <jh@suse.cz>
29590
29591         Merge from pretty-ipa:
29592
29593         2009-03-27  Jan Hubicka  <jh@suse.cz>
29594
29595         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
29596         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
29597         * passes.c (function_called_by_processed_nodes_p): New.
29598         * ipa-pure-const.c (check_call): Fix handling of operands.
29599         (analyze_function): Dump debug output for skipped bodies.
29600         (local_pure_const): Use function_called_by_processed_nodes_p.
29601         * dwarf2out.c (reference_to_unused): Use output.
29602         * passes.c (do_per_function_toporder): Likewise.
29603
29604         2008-11-12  Jan Hubicka  <jh@suse.cz>
29605
29606         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
29607         * ipa-pure-const.c (funct_state_d): Add can throw field; make
29608         state_set_in_source enum
29609         (check_decl): Ignore memory tags; do not set fake looping flags;
29610         dump diagnostics.
29611         (check_operand, check_tree, check_rhs_var, check_lhs_var,
29612         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
29613         (check_call, analyze_function): Rewrite.
29614         (check_stmt): New.
29615         (add_new_function): Update call of analyze_function.
29616         (generate_summary): Add call of analyze_function.
29617         (propagate): Propagate can_throw; handle state_set_in_source correctly.
29618         (local_pure_const): New function.
29619         (pass_local_pure_const): New pass.
29620         * ipa-inline.c (inline_transform): Set after_inlining.
29621         * tree-eh.c (stmt_can_throw_external): New.
29622         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
29623         work with aliasing built.
29624         * tree-flow.h (stmt_can_throw_external): New.
29625         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
29626         and local pure/const pass in early and late optimization queue.
29627
29628 2009-03-28  Martin Jambor  <mjambor@suse.cz>
29629
29630         * fold-const.c (get_pointer_modulus_and_residue): New parameter
29631         allow_func_align.
29632         (fold_binary): Allow function decl aligment consideration is the
29633         second argument is integer constant one.
29634         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
29635         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
29636         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
29637
29638 2009-03-28  Jan Hubicka  <jh@suse.cz>
29639
29640         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
29641         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
29642         * function.h (rtl_data): Add nothrow flag.
29643         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
29644         set DECL_NOTHROW for AVAILABLE functions.
29645
29646 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
29647
29648         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
29649         following vector keyword has expansion starting with pixel or bool
29650         keyword, expand vector to __vector and pixel or bool to __pixel or
29651         __bool.
29652
29653         PR c++/39554
29654         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
29655         warn_if_disallowed_function_p): Removed.
29656         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
29657         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
29658         warning_if_disallowed_function_p.
29659         * flags.h (warn_if_disallowed_function_p,
29660         warn_disallowed_functions): Removed.
29661         * common.opt (Wdisallowed-function-list=): Removed.
29662         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
29663
29664 2009-03-28  Richard Guenther  <rguenther@suse.de>
29665
29666         PR tree-optimization/38723
29667         * tree-ssa-pre.c (compute_avail): Add all default definitions to
29668         the entry block.
29669
29670 2009-03-28  Jan Hubicka  <jh@suse.cz>
29671
29672         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
29673         test introduced by my previous patch.
29674
29675 2009-03-28  Richard Guenther  <rguenther@suse.de>
29676
29677         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
29678         the PHIs value undefined.
29679
29680 2009-03-28  Jan Hubicka  <jh@suse.cz>
29681
29682         * tree-pass.h (pass_fixup_cfg): New pass.
29683         * ipa-inline.c (inline_transform): Set
29684         always_inline_functions_inlined/after_inlining.
29685         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
29686         (pass_fixup_cfg): New pass.
29687         * passes.c (init_optimization_passes): Add fixup_cfg.
29688
29689 2009-03-28  Richard Guenther  <rguenther@suse.de>
29690
29691         PR tree-optimization/38458
29692         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
29693         argument use the arguments copy-of value.
29694
29695 2009-03-28  Richard Guenther  <rguenther@suse.de>
29696
29697         PR tree-optimization/38180
29698         * tree-ssa-ccp.c (get_default_value): Simplify.
29699         (likely_value): Likewise.
29700         (surely_varying_stmt_p): Properly handle VOP case.
29701         (ccp_initialize): Likewise.
29702         (ccp_fold): Handle propagating through *&.
29703         (fold_const_aggregate_ref): Also handle decls.
29704
29705 2009-03-28  Jan Hubicka  <jh@suse.cz>
29706
29707         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
29708         * cgraph.h (cgraph_node): Likewise.
29709         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
29710         (cgraph_reset_node): Use process flag.
29711         (cgraph_mark_functions_to_output): Likewise.
29712         (cgraph_expand_function): Likewise.
29713         (cgraph_expand_all_functions): Likewise.
29714         (cgraph_output_in_order): Likewise.
29715         * dwarf2out.c (reference_to_unused): Likewise.
29716         * passes.c do_per_function_toporder): Likewise.
29717
29718 2009-03-28  Jan Hubicka  <jh@suse.cz>
29719
29720         Bring from lto-branch:
29721
29722         2008-09-03  Doug Kwan  <dougkwan@google.com>
29723
29724         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
29725         enums instead of reason strings.
29726         * cgraph.c (cgraph_create_edge): Same.
29727         (cgraph_inline_failed_string): New function.
29728         * cgraph.h (cgraph_inline_failed_t): New enum type.
29729         (cgraph_inline_failed_string): New prototype.
29730         (struct cgraph_edge): Change type of INLINED_FAILED from constant
29731         char pointer to cgraph_inline_failed_t.
29732         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
29733         (cgraph_default_inline_p): Ditto.
29734         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
29735         to cgraph_inline_failed_t pointer.
29736         * cif-code.def: New file.
29737         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
29738         reason string.
29739         (cgraph_check_inline_limits): Change type of REASON to pointer to
29740         cgraph_inline_failed_t.  Replace reason strings with enums.
29741         (cgraph_default_inline_p): Ditto.
29742         (cgraph_recursive_inlining_p): Ditto.
29743         (update_caller_keys): Change type of FAILED_REASON to
29744         cgraph_inline_failed_t.
29745         (cgraph_set_inline_failed): Change type of REASON to pointer to
29746         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
29747         convert enums to strings for text output.
29748         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
29749         to be of type cgraph_inline_failed_t.  Replace reason strings with
29750         enums.  Call cgraph_inline_failed_string to covert enums
29751         to strings for text output.
29752         (cgraph_decide_inlining): Replace reason strings with enums.
29753         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
29754         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
29755         for text output.
29756         * tree-inline.c (expand_call_inline): Change type of REASON
29757         to cgraph_inline_failed_t.  Replace reason strings with enums.
29758         Call cgraph_inline_failed_string for text output.
29759         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
29760         (cgraph.o): Ditto.
29761
29762 2009-03-28  Jan Hubicka  <jh@suse.cz>
29763
29764         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
29765         cgraph_clone_node): Remove master clone handling.
29766         (cgraph_is_master_clone, cgraph_master_clone): Remove.
29767         * cgraph.h (master_clone): Remove.
29768         (cgraph_is_master_clone, cgraph_master_clone): Remove.
29769         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
29770         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
29771
29772 2009-03-28  Jan Hubicka  <jh@suse.cz>
29773
29774         * cgraph.c (cgraph_function_body_availability): Functions declared
29775         inline are always safe to assume that it is not going to be replaced.
29776
29777 2009-03-28  Richard Guenther  <rguenther@suse.de>
29778
29779         PR tree-optimization/38513
29780         * tree-ssa-pre.c (eliminate): Remove redundant stores.
29781         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
29782         EXC_PTR_EXPR and FILTER_EXPR.
29783         (get_ref_from_reference_ops): Likewise.
29784
29785 2009-03-28  Richard Guenther  <rguenther@suse.de>
29786
29787         PR tree-optimization/38968
29788         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
29789         Use FLOOR_MOD_EXPR to compute misalignment.
29790
29791 2009-03-28  Richard Guenther  <rguenther@suse.de>
29792
29793         PR tree-optimization/37795
29794         * tree.h (combine_comparisons): Declare.
29795         * fold-const.c (combine_comparisons): Export.
29796         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
29797         comparisons.
29798         (ifcombine_iforif): Use combine_comparisons.
29799
29800 2009-03-28  Jan Hubicka  <jh@suse.cz>
29801
29802         * tree-eh.c (inlinable_call_p): New function.
29803         (make_eh_edges): Use it.
29804         (verify_eh_edges): Use it.
29805         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
29806         * except.c (reachable_next_level): Add inlinable_function argument
29807         (sjlj_find_directly_reachable_regions): Update.
29808         (add_reachable_handler): Do not set saw_any_handlers.
29809         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
29810         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
29811         Add new inlinable call parameter.
29812         (can_throw_internal, can_throw_external): Update.
29813         * except.h (can_throw_internal_1, can_throw_external_1,
29814         foreach_reachable_handler): Update declaration.
29815
29816 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
29817
29818         * config/arm/t-arm-coff, config/h8300/coff.h,
29819         config/i386/i386-aout.h, config/i386/i386-coff.h,
29820         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
29821         config/pdp11/2bsd.h, config/rs6000/aix41.h,
29822         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
29823         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
29824         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
29825         sys-types.h: Remove.
29826         * Makefile.in: Remove protoize and fixproto support and references
29827         in comments.
29828         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
29829         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
29830         Remove.
29831         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
29832         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
29833         unprotoize$(exeext).
29834         (rest.encap): Don't depend on $(STMP_FIXPROTO)
29835         (.PHONY): Don't depend on proto.
29836         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
29837         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
29838         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
29839         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
29840         build/gen-protos.o, build/scan.o, xsys-protos.h,
29841         build/fix-header$(build_exeext), build/fix-header.o,
29842         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
29843         stmp-install-fixproto): Remove.
29844         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
29845         SYSCALLS.c or fixproto files.
29846         (install-common): Don't install protoize.
29847         (install-headers-tar, install-headers-cpio, install-headers-cp):
29848         Don't depend on $(STMP_FIXPROTO).
29849         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
29850         install fixproto files or write out fixproto settings.
29851         (uninstall): Don't uninstall protoize.
29852         * config.gcc (use_fixproto): Remove.
29853         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
29854         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
29855         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
29856         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
29857         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
29858         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
29859         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
29860         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
29861         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
29862         * config/t-vxworks (STMP_FIXPROTO): Remove.
29863         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
29864         STMP_FIXPROTO): Remove.
29865         * config.in, configure: Regenerate.
29866         * crtstuff.c (gid_t, uid_t): Don't undefine.
29867         * doc/install.texi: Change m68k-coff to m68k-elf in example.
29868         (arm-*-coff, arm-*-aout: Remove target entries.
29869         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
29870         Remove mention of AIX 4.1.
29871         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
29872         * doc/invoke.texi (Running Protoize): Remove.
29873         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
29874         (Protoize Caveats): Remove.
29875         * tsystem.h: Update comments on headers assumed to exist.
29876
29877 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
29878
29879         * genautomata.c: Add a new year to the copyright.  Add a new
29880         reference.
29881         (struct insn_reserv_decl): Add comments for member bypass_list.
29882         (find_bypass): Remove.
29883         (insert_bypass): New.
29884         (process_decls): Use insert_bypass.
29885         (output_internal_insn_latency_func): Output all bypasses with the
29886         same input insn in one switch case.
29887
29888         * rtl.def (define_bypass): Describe bypass choice.
29889         * doc/md.texi (define_bypass): Ditto.
29890
29891 2009-03-27  Richard Guenther  <rguenther@suse.de>
29892
29893         * gimplify.c (mark_addressable): Export.
29894         * tree-flow.h (mark_addressable): Declare.
29895         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
29896         * tree-ssa.c (verify_phi_args): Verify that address taken
29897         variables have TREE_ADDRESSABLE set.
29898
29899 2009-03-27  Richard Guenther  <rguenther@suse.de>
29900
29901         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
29902         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
29903         Do not mark decls TREE_ADDRESSABLE.
29904         (build_fold_addr_expr): Adjust.
29905         (fold_addr_expr): Remove.
29906         (fold_unary): Use build_fold_addr_expr.
29907         (fold_comparison): Likewise.
29908         (split_address_to_core_and_offset): Likewise.
29909         * coverage.c (tree_coverage_counter_addr): Mark the array decl
29910         TREE_ADDRESSABLE.
29911         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
29912         (gimplify_modify_expr_to_memcpy): Mark source and destination
29913         addressable.
29914         * omp-low.c (create_omp_child_function): Mark the object decl
29915         TREE_ADDRESSABLE.
29916         (lower_rec_input_clauses): Mark the var we take the address of
29917         TREE_ADDRESSABLE.
29918         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
29919
29920 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29921
29922         PR middle-end/39315
29923         * cfgexpand.c (expand_one_stack_var_at): Change alignment
29924         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
29925
29926 2009-03-27  Richard Guenther  <rguenther@suse.de>
29927
29928         PR tree-optimization/39120
29929         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
29930         constraints.
29931         (handle_lhs_call): Process return constraints.  Add escape
29932         constraints if necessary.
29933         (handle_const_call): Fill out return constraints.  Make nested
29934         case more precise.  Avoid consttmp if possible.
29935         (handle_pure_call): Fill out return constraints.  Avoid
29936         callused if possible.
29937         (find_func_aliases): Simplify call handling.
29938
29939 2009-03-27  Richard Guenther  <rguenther@suse.de>
29940
29941         PR tree-optimization/39120
29942         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
29943         as a representative.
29944         (solve_graph): Do propagate CALLUSED.
29945         (handle_pure_call): Use a scalar constraint from CALLUSED for
29946         the return value.
29947         (find_what_p_points_to): CALLUSED shall not appear in poins-to
29948         solutions.
29949
29950 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29951
29952         PR c/39323
29953         * c-common.c (handle_aligned_attribute): Properly check alignment
29954         overflow.  Use (1U << i) instead of (1 << i).
29955
29956         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
29957
29958         * expr.h (get_mem_align_offset): Updated.
29959
29960         * tree.h (tree_decl_common): Change align to "unsigned int" and
29961         move it before pointer_alias_set.
29962
29963 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29964             Jakub Jelinek  <jakub@redhat.com>
29965
29966         PR target/38034
29967         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
29968         gr_register_operand with gr_reg_or_0_operand.
29969         (cmpxchg_rel_di): Likewise.
29970         (sync_lock_test_and_set<mode>): Likewise.
29971
29972 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29973
29974         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
29975         (true_regnum): Likewise.
29976
29977         * rtlanal.c (subreg_info): Moved to ...
29978         * rtl.h (subreg_info): Here.  New.
29979         (subreg_get_info): New.
29980
29981         * rtlanal.c (subreg_get_info): Make it extern.
29982
29983 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29984
29985         PR target/39472
29986         * config/i386/i386.c (ix86_abi): New.
29987         (override_options): Handle -mabi=.
29988         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
29989         (ix86_call_abi_override): Likewise.
29990         (init_cumulative_args): Likewise.
29991         (function_arg_advance): Likewise.
29992         (function_arg_64): Likewise.
29993         (function_arg): Likewise.
29994         (ix86_pass_by_reference): Likewise.
29995         (ix86_function_value_regno_p): Likewise.
29996         (ix86_build_builtin_va_list_abi): Likewise.
29997         (setup_incoming_varargs_64): Likewise.
29998         (is_va_list_char_pointer): Likewise.
29999         (ix86_init_machine_status): Likewise.
30000         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
30001         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
30002         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
30003         (ix86_function_abi): Make it static and return enum calling_abi.
30004         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
30005         with ix86_abi.
30006         (ix86_fn_abi_va_list): Updated.
30007
30008         * config/i386/i386.h (ix86_abi): New.
30009         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
30010         (CONDITIONAL_REGISTER_USAGE): Likewise.
30011         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
30012         (machine_function): Likewise.
30013
30014         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
30015         with ix86_abi.
30016         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
30017         (STACK_BOUNDARY): Likewise.
30018         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
30019
30020         * config/i386/i386.opt (mabi=): New.
30021
30022         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
30023         return enum calling_abi.
30024         (ix86_function_type_abi): Likewise.
30025         (ix86_function_abi): Removed.
30026
30027         * doc/invoke.texi: Document -mabi= option for x86.
30028
30029 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
30030
30031         * builtins.c (real_dconstp): Delete.
30032         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
30033
30034 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
30035             Jakub Jelinek  <jakub@redhat.com>
30036
30037         PR debug/37959
30038         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
30039         (gen_subprogram_die): When a function is explicit, generate the
30040         DW_AT_explicit attribute.
30041         * langhooks.h (struct lang_hooks_for_decls): Add
30042         function_decl_explicit_p langhook.
30043         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
30044         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
30045
30046 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
30047
30048         * builtins.c (fold_builtin_memory_op): Optimize memmove
30049         into memcpy if we can prove source and destination don't overlap.
30050
30051         * tree-inline.c: Include gt-tree-inline.h.
30052         (clone_fn_id_num): New variable.
30053         (clone_function_name): New function.
30054         (tree_function_versioning): Use it.
30055         * Makefile.in (GTFILES): Add tree-inline.c.
30056
30057 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
30058
30059         * BASE-VER: Change to 4.5.0.
30060
30061 2009-03-27  Xinliang David Li  <davidxl@google.com>
30062
30063         PR tree-optimization/39557
30064         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
30065
30066 2009-03-27  Xinliang David Li  <davidxl@google.com>
30067
30068         PR tree-optimization/39548
30069         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
30070         candidate check.
30071
30072 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
30073
30074         * c-common.c (pointer_int_sum): Use %wd on return from
30075         tree_low_cst.
30076
30077 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
30078
30079         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
30080         on return from tree_low_cst.
30081
30082 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
30083
30084         PR c++/36799
30085         * ginclude/stdarg.h (va_copy): Define also for
30086         __GXX_EXPERIMENTAL_CXX0X__.
30087
30088 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
30089
30090         PR c++/35652
30091         * builtins.h (c_strlen): Do not warn here.
30092         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
30093         * c-common.c (pointer_int_sum): Take an explicit location.
30094         Warn about offsets out of bounds.
30095         * c-common.h (pointer_int_sum): Adjust declaration.
30096
30097 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30098
30099         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
30100         markup glitch.
30101
30102 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
30103
30104         PR c++/39554
30105         * opts.c (warn_if_disallowed_function_p): Don't assume
30106         get_callee_fndecl must return non-NULL.
30107
30108 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
30109
30110         PR rtl-optimization/39522
30111         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
30112         when reg_reloaded_valid is set.
30113
30114 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30115
30116         * config/spu/divv2df3.c: New file.
30117         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
30118         (DPBIT_FUNCS): Filter out _div_df.
30119
30120 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
30121
30122         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
30123         a jump insn, count that jump in the distance to the loop start.
30124
30125 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
30126
30127         PR target/39523
30128         * config/sh/sh.c (calc_live_regs): Fix condition for global
30129         registers except PIC_OFFSET_TABLE_REGNUM.
30130
30131 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
30132
30133         PR/39518
30134         * doc/invoke.texi (-mconsole): New.
30135         (-mcygwin): New.
30136         (-mno-cygwin): New.
30137         (-mdll): New.
30138         (-mnop-fun-dllimport): New.
30139         (-mthread): New.
30140         (-mwin32): New.
30141         (-mwindows): New.
30142         (sub section "i386 and x86-64 Windows Options"): New.
30143
30144 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
30145
30146         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
30147         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
30148
30149 2009-03-25  Richard Guenther  <rguenther@suse.de>
30150
30151         PR middle-end/39497
30152         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
30153         of -Wno-error.
30154
30155 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
30156
30157         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
30158         neither of haifa/selective schedulers are working.
30159
30160 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30161
30162         * doc/invoke.texi (Debugging Options): Fix description of
30163         -fno-merge-debug-strings.
30164
30165 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
30166
30167         * config/cris/libgcc.ver: New version-script.
30168         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
30169
30170         * configure.ac <GAS features, nop mnemonic>: Add pattern
30171         crisv32-*-* for "nop".
30172         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
30173         * configure: Regenerate.
30174
30175 2009-03-24  Ira Rosen  <irar@il.ibm.com>
30176
30177         PR tree-optimization/39529
30178         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
30179         mark_sym_for_renaming for the tag copied to the new vector
30180         pointer.
30181
30182 2009-03-24  Arthur Loiret  <aloiret@debian.org>
30183
30184         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
30185         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
30186         EXTRA_SPEC_FUNCTIONS.
30187         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
30188         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
30189         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
30190         -march and -mtune options.
30191
30192 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
30193
30194         * config/m68k/t-rtems: Add m5329 multilib.
30195
30196 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
30197             Jakub Jelinek  <jakub@redhat.com>
30198
30199         PR debug/39524
30200         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
30201         nodes.
30202
30203 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
30204
30205         PR c/39495
30206         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
30207         instead of c_parser_expression_conv, if original_code isn't one of the
30208         4 allowed comparison codes, fail.
30209
30210 2009-03-23  Richard Guenther  <rguenther@suse.de>
30211
30212         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
30213         * tree.h (struct tree_type): Likewise.
30214         * reload.h (struct insn_chain): Likewise.
30215         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
30216         * function.h (struct function): Likewise.
30217         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
30218
30219 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
30220
30221         PR tree-optimization/39516
30222         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
30223
30224 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
30225
30226         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
30227         should be set true if BITS_PER_WORD of target is bigger than 32
30228
30229 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
30230
30231         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
30232         Translate -B-options to -rpath-link.  Correct existing
30233         rpath-link and conditionalize on !nostdlib.
30234
30235 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30236
30237         * doc/extend.texi (Function Attributes, Variable Attributes):
30238         Fix typos.
30239         * doc/invoke.texi (Debugging Options, Optimize Options)
30240         (i386 and x86-64 Options, MCore Options): Likewise.
30241
30242 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
30243
30244         PR debug/37890
30245         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
30246         it for block local namespace aliases.
30247         (gen_decl_die): Pass context_die to gen_namespace_die.
30248
30249 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
30250
30251         PR c/39495
30252         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
30253         minimum or maximum value.
30254
30255 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
30256
30257         * reginfo.c (globalize_reg): Recompute derived reg sets.
30258
30259 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
30260
30261         PR target/39063
30262         * libgcc2.c (mprotect): Do not use signed arguments for
30263         VirtualProtect, use DWORD arguments.  Also fix the 'may
30264         be used uninitialized' warning for the np variable.
30265
30266 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
30267
30268         PR target/39496
30269         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
30270         functions using regparm calling conventions when not optimizing.
30271         (ix86_function_sseregparm): Similarly for sseregparm calling
30272         conventions.
30273
30274 2009-03-19  Li Feng  <nemokingdom@gmail.com>
30275
30276         PR middle-end/39500
30277         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
30278         dependence if the first conflict is after niter iterations.
30279
30280 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
30281
30282         PR middle-end/38609
30283         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
30284         functions with dynamic stack-pointer adjustments.
30285
30286 2009-03-19  Ben Elliston  <bje@au.ibm.com>
30287
30288         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
30289         option; change to -msdata=data.
30290
30291 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30292
30293         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
30294         and -fopenmp.
30295
30296 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
30297
30298         PR target/35180
30299         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
30300
30301 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
30302
30303         * doc/invoke.texi (Code Gen Options): Expand discussion of
30304         -fno-common.
30305
30306 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
30307
30308         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
30309         * matrix-reorg.c (struct matrix_info): Likewise.
30310         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
30311         * rtl.h (struct mem_attrs): Likewise.
30312         * df.h (struct df): Likewise.
30313         * tree-data-ref.h (struct data_dependence_relation): Likewise.
30314         * ira-int.h (struct ira_allocno): Likewise.
30315         * df-scan.c (struct df_collection_rec): Likewise.
30316         * ira.c (struct equivalence): Likewise.
30317         * function.c (struct temp_slot): Likewise.
30318         * cfgloop.h (struct loop): Likewise.
30319
30320         PR debug/39485
30321         * function.c (use_register_for_decl): When not optimizing, disregard
30322         register keyword for variables with types containing methods.
30323
30324 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
30325
30326         PR middle-end/39447
30327         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
30328         (is_simple_operand): Call contains_component_ref_p before calling data
30329         reference analysis that would fail on COMPONENT_REFs.
30330
30331         * tree-vrp.c (search_for_addr_array): Fix formatting.
30332
30333 2009-03-18  Richard Guenther  <rguenther@suse.de>
30334
30335         * tree-vect-transform.c (vect_loop_versioning): Fold the
30336         generated comparisons.
30337         * tree-vectorizer.c (set_prologue_iterations): Likewise.
30338         (slpeel_tree_peel_loop_to_edge): Likewise.
30339
30340 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30341
30342         PR middle-end/37805
30343         * opts.c (print_specific_help): In addition to `undocumented',
30344         accept `separate' and `joined' flags if passed alone.  Describe
30345         output by the first matched one of those.
30346         (common_handle_option): Skip over empty strings.
30347         * gcc.c (display_help): Fix help string for `--help='.
30348         * doc/invoke.texi (Option Summary, Overall Options): With
30349         `--help=', classes and qualifiers can both be repeated, but
30350         only the latter can be negated.  One should not pass only
30351         negated qualifiers.  Fix markup and examples.
30352
30353         Revert
30354         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
30355         PR middle-end/37805
30356         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
30357         and -fhelp=separate.
30358
30359 2009-03-17  Jing Yu  <jingyu@google.com>
30360
30361         PR middle-end/39378
30362         * function.h (struct rtl_data): Move is_thunk from here...
30363         (struct function): ...to here.
30364         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
30365         * varasm.c (assemble_start_function): Change is_thunk from crtl to
30366         cfun.
30367         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
30368         cfun.
30369         (alpha_does_function_need_gp, alpha_start_function): Likewise.
30370         (alpha_output_function_end_prologue): Likewise.
30371         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
30372         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
30373         (rs6000_output_function_epilogue): Likewise.
30374         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
30375
30376 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
30377
30378         PR target/39482
30379         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
30380         from different units in a single alternative.
30381         (*truncdfsf_i387): Ditto.
30382         (*truncxfsf2_mixed): Ditto.
30383         (*truncxfdf2_mixed): Ditto.
30384
30385 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
30386
30387         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
30388         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
30389
30390         PR debug/39474
30391         * tree-ssa-live.c (remove_unused_locals): Don't remove local
30392         unused non-artificial variables when not optimizing.
30393
30394         PR debug/39471
30395         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
30396         DW_TAG_imported_module even if decl is IMPORTED_DECL with
30397         NAMESPACE_DECL in its DECL_INITIAL.
30398
30399         PR middle-end/39443
30400         * optabs.c (set_user_assembler_libfunc): New function.
30401         * expr.h (set_user_assembler_libfunc): New prototype.
30402         * c-common.c: Include libfuncs.h.
30403         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
30404         for memcmp, memset, memcpy, memmove and abort.
30405         * Makefile.in (c-common.o): Depend on libfuncs.h.
30406
30407         PR debug/39412
30408         * dwarf2out.c (gen_inlined_enumeration_type_die,
30409         gen_inlined_structure_type_die, gen_inlined_union_type_die,
30410         gen_tagged_type_instantiation_die): Removed.
30411         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
30412         do nothing.
30413
30414 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
30415
30416         PR testsuite/38526
30417         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
30418         its use.
30419         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
30420         (check-parallel-%): Ditto.
30421         (check-consistency): Ditto.
30422
30423 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
30424
30425         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
30426         local variable rhs by NULL_TREE.
30427
30428 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
30429
30430         PR target/39477
30431         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
30432
30433 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
30434
30435         PR target/39476
30436         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
30437
30438 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
30439
30440         PR target/39473
30441         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
30442         for ms->sysv ABI calls only in 64bit mode.
30443
30444         * config/i386/i386.md (untyped_call): Support 32bit.
30445
30446 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
30447
30448         * doc/extend.texi: Replace x86_65 with x86_64.
30449
30450 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
30451
30452         PR tree-optimization/39455
30453         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
30454         mismatches for POINTER_TYPE_P (type).
30455         (number_of_iterations_le): Likewise.
30456
30457 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
30458
30459         * config/picochip/picochip.c: Removed profiling support.
30460         * config/picochip/picochip.md: Removed profiling instruction.
30461         * config/picochip/picochip.h: Removed profiling builtin.
30462
30463 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
30464
30465         * doc/install.texi (--with-host-libstdcxx): Document.
30466
30467 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
30468
30469         PR target/34299
30470         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
30471         generate a warning if the function name does not begin with
30472         "__vector" and the function has either the 'signal' or 'interrupt'
30473         attribute, from here to ...
30474         (avr_declare_function_name): ...here. New function.
30475         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
30476         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
30477
30478 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
30479
30480         PR bootstrap/39454
30481         * cse.c (fold_rtx): Don't modify original const_arg1 when
30482         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
30483         separate variable instead.
30484         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
30485         from out of range shift counts.
30486         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
30487
30488 2009-03-13  Catherine Moore  <clm@codesourcery.com>
30489
30490         * config/i386/x-mingw32 (host-mingw32.o): Replace
30491         diagnostic.h with $(DIAGNOSTIC_H).
30492
30493 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
30494
30495         PR target/39431
30496         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
30497         predicate.
30498         * config/i386/sync.md (sync_compare_and_swap<mode>,
30499         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
30500         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
30501         into a register.
30502         (sync_double_compare_and_swapdi_pic,
30503         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
30504         cmpxchg8b_pic_memory_operand instead of just memory_operand.
30505
30506 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
30507
30508         PR target/39445
30509         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
30510
30511 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
30512
30513         PR target/39327
30514         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
30515         (avx_addsubv4df3): Likewise.
30516         (*avx_addsubv4sf3): Likewise.
30517         (sse3_addsubv4sf3): Likewise.
30518
30519 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
30520
30521         PR target/38824
30522         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
30523
30524 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
30525
30526         PR debug/39432
30527         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
30528         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
30529         registers for allocnos created from user-defined variables.
30530
30531 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30532
30533         PR target/39181
30534         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
30535         of non-integer mode as well.
30536
30537 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
30538
30539         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
30540         for functions for which the parameter types are unknown.
30541
30542 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
30543
30544         PR target/39137
30545         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
30546         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
30547         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
30548         * config/i386/i386.c (ix86_local_alignment): For
30549         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
30550         long long variables on the stack to avoid dynamic realignment.
30551         Allow the first argument to be a decl rather than type.
30552         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
30553
30554 2009-03-11  Nick Clifton  <nickc@redhat.com>
30555
30556         PR target/5362
30557         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
30558         options.
30559         Add description to mno-lsim option.
30560         * config/mcore/mcore.h: Remove comment about deprecated m4align
30561         option.
30562         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
30563         * doc/invoke.texi: Add description of mno-lsim and
30564         mstack-increment options.
30565
30566         * config/fr30/fr30.opt: Document the -mno-lsim option.
30567         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
30568         and -mno-lsim options.
30569
30570 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30571
30572         * fold-const.c (fold_comparison): Only call fold_inf_compare
30573         if the mode supports infinities.
30574
30575 2009-03-11  Jason Merrill  <jason@redhat.com>
30576
30577         PR debug/39086
30578         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
30579         end already did.  Notice GIMPLE_CALL modifications of the result.
30580         Don't copy debug information from an ignored decl or a decl from
30581         another function.
30582
30583 2009-03-10  Richard Guenther  <rguenther@suse.de>
30584             Nathan Froyd  <froydnj@codesourcery.com>
30585
30586         PR middle-end/37850
30587         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
30588         (__divMODE3): Likewise.
30589
30590 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
30591
30592         PR tree-optimization/39394
30593         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
30594         DECL_SIZE_UNIT of variable length FIELD_DECLs.
30595
30596 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
30597
30598         * recog.c (verfiy_changes): Disallow renaming of hard regs in
30599         inline asms for register asm ("") declarations.
30600
30601 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
30602
30603         * fold-const.c (fold_unary): Fix comment.
30604
30605 2009-03-07  Jan Hubicka  <jh@suse.cz>
30606
30607         PR target/39361
30608         * tree-inline.c (setup_one_parameter): Do replacement of const
30609         argument by constant in SSA form.
30610
30611 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30612
30613         PR middle-end/38028
30614         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
30615         determine alignment passed to assign_stack_local.
30616         (assign_parms_unsplit_complex): Likewise.
30617         * except.c (sjlj_build_landing_pads): Likewise.
30618
30619 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
30620
30621         PR middle-end/39360
30622         * tree-flow.h (add_referenced_var): Return bool instead of void.
30623         * tree-dfa.c (add_referenced_var): Return result of
30624         referenced_var_check_and_insert call.
30625         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
30626         of referenced_var_check_and_insert.
30627
30628         PR debug/39372
30629         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
30630         (gen_variable_die): Emit DW_AT_location on abstract static variable's
30631         DIE, don't emit it if abstract origin already has it.
30632         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
30633         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
30634
30635 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
30636
30637         * genpreds.c (needs_variable): Fix parentheses at variable name
30638         detection.
30639         (write_tm_constrs_h): Indent generated code.
30640
30641 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
30642
30643         * doc/extend.texi (Function Attributes): Add documentation
30644         for isr attributes.
30645
30646 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
30647
30648         PR debug/39387
30649         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
30650         take locus from its DECL_SOURCE_LOCATION instead of input_location.
30651
30652 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
30653
30654         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
30655         the loop as bad.
30656
30657 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
30658
30659         PR debug/39379
30660         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
30661         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
30662
30663 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
30664
30665         * config/i386/i386.md (R8_REG, R9_REG): New constants.
30666         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
30667         constants instead of magic numbers.
30668         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
30669         (QI_REG_P): Ditto.
30670         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
30671         (x86_64_ms_abi_int_parameter_registers): Ditto.
30672         (x86_64_int_return_registers): Ditto.
30673         (ix86_maybe_switch_abi): Ditto.
30674         (ix86_expand_call): Ditto for clobbered_registers array.
30675         (ix86_hard_regno_mode_ok): Ditto.
30676         (x86_extended_QIreg_mentioned_p): Ditto.
30677
30678 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
30679
30680         PR tree-optimization/39349
30681         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
30682
30683         * combine.c (gen_lowpart_for_combine): Use omode when generating
30684         clobber.
30685
30686 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
30687
30688         PR rtl-optimization/39235
30689         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
30690
30691 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
30692
30693         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
30694
30695 2009-03-04  Richard Guenther  <rguenther@suse.de>
30696
30697         PR tree-optimization/39362
30698         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
30699         that occur in abnormal PHIs should be varying.
30700
30701 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
30702
30703         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
30704         Extend comments.
30705         (simple_iv):  Take loop as an argument instead of statement.
30706         * tree-scalar-evolution.h (simple_iv): Declaration changed.
30707         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
30708         to simple_iv.
30709         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
30710         Ditto.
30711         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
30712         * matrix-reorg.c (analyze_transpose): Ditto.
30713         * tree-data-ref.c (dr_analyze_innermost): Ditto.
30714         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
30715         * tree-predcom.c (ref_at_iteration): Ditto.
30716         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
30717
30718 2009-03-04  Richard Guenther  <rguenther@suse.de>
30719
30720         PR tree-optimization/39358
30721         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
30722         escaped_id and callused_id.
30723         (solve_graph): Likewise.
30724
30725 2009-03-04  Richard Guenther  <rguenther@suse.de>
30726
30727         PR tree-optimization/39339
30728         * tree-sra.c (try_instantiate_multiple_fields): Make it
30729         no longer ICE on the above.
30730
30731 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
30732
30733         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
30734         that fits within Pmode.
30735
30736 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
30737
30738         PR middle-end/10109
30739         * tm.texi (LIBCALL_VALUE): Update description.
30740
30741 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
30742
30743         PR middle-end/34443
30744         * doc/extend.texi (section): Update description.
30745
30746 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
30747
30748         PR middle-end/39345
30749         * tree-inline.c (remapped_type): New.
30750         (can_be_nonlocal): Call remapped_type instead of remap_type.
30751
30752 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
30753
30754         PR fortran/39354
30755         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
30756         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
30757
30758 2009-03-03  Richard Guenther  <rguenther@suse.de>
30759
30760         PR middle-end/39272
30761         * tree.c (tree_nonartificial_location): New function.
30762         * tree.h (tree_nonartificial_location): Declare.
30763         * builtins.c (expand_builtin_memory_chk): Provide location
30764         of the call location for artificial function pieces.
30765         (maybe_emit_chk_warning): Likewise.
30766         (maybe_emit_sprintf_chk_warning): Likewise.
30767         (maybe_emit_free_warning): Likewise.
30768         * expr.c (expand_expr_real_1): Likewise.
30769
30770 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
30771
30772         PR tree-optimization/39343
30773         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
30774         COMPONENT_REF t has ARRAY_TYPE.
30775
30776 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
30777
30778         PR middle-end/39335
30779         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
30780         when the type precision of the induction variable should be
30781         larger than the type precision of nit.
30782         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
30783         * graphite.c (graphite_loop_normal_form): Same.
30784         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
30785
30786 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
30787
30788         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
30789         (*call_1_rex64_ms_sysv): Use named constants instead of magic
30790         numbers to describe clobbered registers.
30791         (*call_value_0_rex64_ms_sysv): Ditto.
30792         * config/i386/mmx.md (mmx_emms): Ditto.
30793         (mmx_femms): Ditto.
30794
30795 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
30796
30797         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
30798         of ABI_64.
30799
30800 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30801
30802         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
30803         (spu_section_type_flags): New function.
30804
30805 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
30806
30807         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
30808         reg_class_contents of FLOAT_REGS into a temporary.
30809
30810 2009-03-02  Richard Guenther  <rguenther@suse.de>
30811             Ira Rosen  <irar@il.ibm.com>
30812
30813         PR tree-optimization/39318
30814         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
30815         information to the vectorized statement.
30816
30817 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
30818
30819         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
30820         variable.  Use defined names instead of magic constants for REX SSE
30821         registers.
30822
30823 2009-03-01  Richard Guenther  <rguenther@suse.de>
30824
30825         PR tree-optimization/39331
30826         * omp-low.c (lower_send_shared_vars): Do not receive new
30827         values for the reference of DECL_BY_REFERENCE parms or results.
30828
30829 2009-03-01  Jan Hubicka  <jh@suse.cz>
30830
30831         PR debug/39267
30832         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
30833         BLOCK_NONLOCALIZED_VAR): New macros.
30834         (tree_block): Add nonlocalized_vars.
30835         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
30836         gen_decl_die): Add origin argument.  Allow generation of die with
30837         origin at hand only.
30838         (gen_member_die, gen_type_die_with_usage, force_decl_die,
30839         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
30840         of gen_*.
30841         (gen_block_die): Fix checking for unused blocks.
30842         (process_scope_var): Break out from .... ; work with origins only.
30843         (decls_for_scope) ... here; process nonlocalized list.
30844         (dwarf2out_ignore_block): Look for nonlocalized vars.
30845         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
30846         vars.
30847         (dump_scope_block): Dump them.
30848         * tree-inline.c (remap_decls): Handle nonlocalized vars.
30849         (remap_block): Likewise.
30850         (can_be_nonlocal): New predicate.
30851         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
30852
30853 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30854
30855         * configure: Regenerate.
30856
30857 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30858
30859         * optc-gen.awk: No need to duplicate option flags twice.
30860         Reuse help texts for duplicate options which do not have any.
30861
30862         * gcc.c (display_help): Document --version.
30863
30864         * gcc.c (main): If print_help_list and verbose_flag, ensure
30865         driver output comes before subprocess output.
30866
30867         * optc-gen.awk: Assign all remaining fields to help string,
30868         space-separated, for multi-line help in *.opt.
30869
30870         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
30871         -Wno-pedantic-ms-format is for MinGW targets only.
30872
30873         * doc/options.texi (Option file format): Fix bad indentation,
30874         restoring dropped sentence.
30875
30876 2009-02-28  Jan Hubicka  <jh@suse.cz>
30877
30878         * tree-inline.c (tree_function_versioning): Output debug info.
30879
30880 2009-02-28  Jan Hubicka  <jh@suse.cz>
30881
30882         PR debug/39267
30883         * tree-inline.c (setup_one_parameter): Do not copy propagate
30884         arguments when not optimizing.
30885
30886 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
30887
30888         PR target/39327
30889         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
30890         (avx_addsubv4df3): Likewise.
30891         (*avx_addsubv4sf3): Likewise.
30892         (sse3_addsubv4sf3): Likewise.
30893         (*avx_addsubv2df3): Likewise.
30894         (sse3_addsubv2df3): Likewise.
30895         (avx_unpckhps256): Correct item selectors.
30896         (avx_unpcklps256): Likewise.
30897         (avx_unpckhpd256): Likewise.
30898         (avx_unpcklpd256): Likewise.
30899
30900 2009-02-28  Jan Hubicka  <jh@suse.cz>
30901
30902         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
30903         static vars.
30904         (copy_arguments_for_versioning): If var is declared don't declare it.
30905         (tree_function_versioning): First setup substitutions and then copy
30906         args.
30907
30908 2009-02-27  Jan Hubicka  <jh@suse.cz>
30909
30910         PR debug/39267
30911         * cgraph.h (varpool_output_debug_info): Remove.
30912         * cgraphunit.c (varpool_output_debug_info): Remove.
30913         * dwarf2out.c (deferred_locations_struct): New struct
30914         (deferred_locations): New type.
30915         (deferred_locations_list): New static var.
30916         (deffer_location): New function.
30917         (gen_variable_die): Use it.
30918         (decls_for_scope): Output info on local static vars.
30919         (dwarf2out_finish): Process deferred locations.
30920         * varpool.c (varpool_output_debug_info): Remove.
30921
30922 2009-02-27  Jan Hubicka  <jh@suse.cz>
30923
30924         PR debug/39267
30925         * tree.h (TREE_PROTECTED): Fix comment.
30926         (BLOCK_HANDLER_BLOCK): Remove.
30927         (struct tree_block): Remove handler_block add body_block.
30928         (inlined_function_outer_scope_p): New.
30929         (is_body_block): Remove.
30930         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
30931         * dwarf2out.c (is_inlined_entry_point): Remove.
30932         (add_high_low_attributes): Use inlined_function_outer_scope_p.
30933         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
30934         code.
30935         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
30936         * gimplify.c (gimplify_expr): Gimplify body blocks.
30937         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
30938         block with multiple subblocks.
30939         (dump_scope_block): Prettier output; dump more flags and info.
30940         (dump_scope_blocks): New.
30941         (remove_unused_locals): Use dump_scope_blocks.
30942         * tree-flow.h (dump_scope_blocks): Declare.
30943         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
30944         * stmt.c (is_body_block): Remove.
30945         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
30946         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
30947
30948 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
30949
30950         PR middle-end/39308
30951         * graphite.c (graphite_loop_normal_form): Do not call
30952         number_of_iterations_exit from a gcc_assert.
30953
30954 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
30955
30956         * config/s390/s390.c (s390_swap_cmp): Look for conditional
30957         jumps if COND is NULL.
30958         (find_cond_jump): New function.
30959         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
30960         * config/s390/s390.md: Remove z10_cobra attribute value.
30961
30962 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
30963
30964         * config/alpha/alpha.h (alpha_expand_mov): Return false if
30965         force_const_mem returns NULL_RTX.
30966
30967 2009-02-26  Jan Hubicka  <jh@suse.cz>
30968
30969         PR debug/39267
30970         * cgraph.h (varpool_output_debug_info): Remove.
30971         * cgraphunit.c (varpool_output_debug_info): Remove.
30972         * dwarf2out.c (deferred_locations_struct): New struct
30973         (deferred_locations): New type.
30974         (deferred_locations_list): New static var.
30975         (deffer_location): New function.
30976         (gen_variable_die): Use it.
30977         (decls_for_scope): Output info on local static vars.
30978         (dwarf2out_finish): Process deferred locations.
30979         * varpool.c (varpool_output_debug_info): Remove.
30980
30981 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
30982
30983         PR rtl-optimization/39241
30984         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
30985         to subreg_offset_representable_p.
30986
30987 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
30988
30989         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
30990         execute function prototype.  Get f and nregs from max_reg_num
30991         and get_insns.  Remove the first backward pass as it's dead,
30992         guard the forward pass by flag_expensive_optimizations.
30993         (rest_of_handle_regmove): Delete.
30994         (pass_regmove): Replace it with regmove_optimize.
30995
30996 2009-02-25  Martin Jambor  <mjambor@suse.cz>
30997
30998         PR tree-optimization/39259
30999         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
31000         calls_alloca function flags.
31001         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
31002         calls are detected.
31003
31004 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
31005
31006         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
31007         flags_set_1_rtx, flags_set_1_set): Delete.
31008         (regmove_optimize): Do not call mark_flags_life_zones.
31009
31010 2009-02-24  Julian Brown  <julian@codesourcery.com>
31011
31012         PR target/35965
31013         * config/arm/arm.c (require_pic_register): Only set
31014         cfun->machine->pic_reg once per function.
31015
31016 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
31017
31018         * doc/invoke.texi (Link Options): Document an easier way to pass
31019         options that take arguments to the GNU linker using -Xlinker and -Wl.
31020
31021 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
31022
31023         PR target/33785
31024         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
31025
31026 2009-02-24  Richard Guenther  <rguenther@suse.de>
31027
31028         PR debug/39285
31029         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
31030
31031 2009-02-24  Richard Guenther  <rguenther@suse.de>
31032             Zdenek Dvorak  <ook@ucw.cz>
31033
31034         PR tree-optimization/39233
31035         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
31036         from converting them to a generic type.
31037
31038 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
31039
31040         PR tree-optimization/39260
31041         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
31042         contains a condition with a real type.
31043         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
31044
31045 2009-02-23  Jason Merrill  <jason@redhat.com>
31046
31047         PR c++/38880
31048         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
31049         narrowing_initializer_constant_valid_p.
31050         (narrowing_initializer_constant_valid_p): Don't return
31051         null_pointer_node for adding a pointer to itself.
31052
31053 2009-02-23  Jan Hubicka  <jh@suse.cz>
31054
31055         PR c/12245
31056         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
31057         resizing.
31058
31059 2009-02-23  Jan Hubicka  <jh@suse.cz>
31060
31061         PR tree-optimization/37709
31062         * tree.c (block_ultimate_origin): Move here from dwarf2out.
31063         * tree.h (block_ultimate_origin): Declare.
31064         * dwarf2out.c (block_ultimate_origin): Move to tree.c
31065         * tree-ssa-live.c (remove_unused_scope_block_p):
31066         Eliminate blocks containig no instructions nor live variables nor
31067         nested blocks.
31068         (dump_scope_block): New function.
31069         (remove_unused_locals): Enable removal of dead blocks by default;
31070         enable dumping at TDF_DETAILS.
31071
31072 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
31073
31074         * config/i386/i386.c (classify_argument): Don't allow COImode
31075         and OImode.
31076         (function_arg_advance_32): Don't allow OImode.
31077         (function_arg_32): Likewise.
31078         (function_value_32): Likewise.
31079         (return_in_memory_32): Likewise.
31080         (function_arg_64): Remove OImode comment.
31081
31082 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
31083
31084         PR target/39261
31085         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
31086         ix86_expand_vector_set for V4DImode in 64bit mode only.
31087         (ix86_expand_vector_init_one_var): Likewise.
31088
31089 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
31090
31091         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
31092
31093 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
31094
31095         PR bootstrap/39257
31096         * loop-iv.c: Revert last change.
31097         * emit-rtl.c: Likewise.
31098
31099 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
31100
31101         PR target/39256
31102         * config/i386/i386.c (type_natural_mode): Remove an extra
31103         space in the warning message.
31104         (function_value_32): Handle 32-byte vector modes.
31105         (return_in_memory_32): Likewise.
31106
31107 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
31108
31109         * loop-iv.c (truncate_value): New function.
31110         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
31111         of lowpart_subreg.
31112         (lowpart_subreg): Move to...
31113         * emit-rtl.c: ...here.
31114
31115 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
31116
31117         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
31118         accidental and undocumented change at revision 140860.
31119
31120 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
31121
31122         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
31123         take gimple_seq * arguments.
31124         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
31125         types_compatible_p langhook.
31126
31127 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
31128             Joseph Myers  <joseph@codesourcery.com>
31129
31130         * config/arm/arm.c (arm_builtin_va_list): New function.
31131         (arm_expand_builtin_va_start): Likewise.
31132         (arm_gimplify_va_arg_expr): Likewise.
31133         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
31134         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
31135         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
31136         (va_list_type): New variable.
31137         (arm_mangle_type): Mangle va_list_type appropriately.
31138
31139 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
31140
31141         PR middle-end/39157
31142         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
31143         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
31144         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
31145         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
31146         parameter to 1000 for -O1 by default.
31147         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
31148         parameter.
31149         * loop-invariant.c: Include params.h.
31150         (move_loop_invariants): Don't call move_single_loop_invariants on
31151         very large loops.
31152
31153 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
31154
31155         * calls.c (emit_library_call_value_1): Use slot_offset instead of
31156         offset when calculating bounds for indexing stack_usage_map.  Fixes
31157         a buffer overflow with certain target setups.
31158
31159 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
31160
31161         PR target/39240
31162         * calls.c (expand_call): Clear try_tail_call if caller and callee
31163         disagree in promotion of function return value.
31164
31165 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
31166
31167         PR target/39175
31168         * c-common.c (c_determine_visibility): If visibility changed and
31169         DECL_RTL has been already set, call make_decl_rtl to update symbol
31170         flags.
31171
31172 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
31173
31174         PR c++/39188
31175         * varasm.c (assemble_variable): Don't check DECL_NAME when
31176         globalizing a variable.
31177
31178 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
31179
31180         PR c/38483
31181         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
31182         expression before any __builtin_trap call.
31183         * c-typeck.c (build_function_call): Convert and check function
31184         arguments before generating a call to a trap.  Evaluate the
31185         function arguments before the trap.
31186
31187 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
31188
31189         PR target/39228
31190         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
31191         (UNSPEC_FXAM_MEM): New unspec.
31192         (fxam<mode>2_i387_with_temp): New insn and split pattern.
31193         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
31194         memory using fxam<mode>2_i387_with_temp to remove excess precision.
31195
31196 2009-02-19  Richard Guenther  <rguenther@suse.de>
31197
31198         PR tree-optimization/39207
31199         PR tree-optimization/39074
31200         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
31201         storedanything_tree): New.
31202         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
31203         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
31204         (build_succ_graph): Add edges from STOREDANYTHING to all
31205         non-direct nodes.
31206         (init_base_vars): Initialize STOREDANYTHING.
31207         (compute_points_to_sets): Free substitution info after
31208         building the succ graph.
31209         (ipa_pta_execute): Likewise.
31210
31211         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
31212         field.
31213         (do_ds_constraint): Do not add to special var or non-pointer
31214         field solutions.
31215         (type_could_have_pointers): Split out from ...
31216         (could_have_pointers): ... here.  For arrays use the element type.
31217         (create_variable_info_for): Initialize may_have_pointers.
31218         (new_var_info): Likewise.
31219         (handle_lhs_call): Make the HEAP variable unknown-sized.
31220         (intra_create_variable_infos): Use a type with pointers for
31221         PARM_NOALIAS, make it unknown-sized.
31222
31223 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
31224
31225         PR target/39224
31226         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
31227
31228 2009-02-18  Jason Merrill  <jason@redhat.com>
31229
31230         PR target/39179
31231         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
31232         value if DECL_EXTERNAL.
31233         * tree-sra.c (sra_walk_gimple_assign): Likewise.
31234         * target.h (gcc_target::binds_local_p): Clarify "module".
31235         * tree.h (TREE_PUBLIC): Clarify "module".
31236
31237 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
31238
31239         PR target/38891
31240         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
31241         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
31242
31243 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
31244
31245         PR target/39082
31246         * c.opt (Wabi): Support C and ObjC.
31247         (Wpsabi): New.
31248
31249         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
31250
31251         * config/i386/i386.c (classify_argument): Warn once about the ABI
31252         change when passing union with long double.
31253
31254         * doc/invoke.texi: Update -Wabi for warning psABI changes.
31255
31256 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
31257
31258         PR c/35447
31259         * c-parser.c (c_parser_compound_statement): Always enter and leave
31260         a scope.
31261
31262 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31263
31264         PR target/34587
31265         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
31266
31267 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
31268
31269         PR tree-optimization/36922
31270         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
31271         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
31272         Likewise.
31273
31274 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
31275
31276         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
31277         to 0 for EABI64.
31278
31279 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
31280
31281         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
31282
31283 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
31284
31285         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
31286         tree sharing.
31287
31288 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
31289             Richard Sandiford  <rdsandiford@googlemail.com>
31290
31291         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
31292         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
31293         (loongson_biadd): ...this.
31294
31295 2009-02-17  Richard Guenther  <rguenther@suse.de>
31296
31297         PR tree-optimization/39202
31298         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
31299         a var make sure to follow existing collapses.
31300
31301 2009-02-17  Richard Guenther  <rguenther@suse.de>
31302
31303         PR middle-end/39214
31304         * langhooks.c (lhd_print_error_function): Check for NULL block.
31305
31306 2009-02-17  Richard Guenther  <rguenther@suse.de>
31307
31308         PR tree-optimization/39204
31309         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
31310         of the PHI arg.
31311
31312 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
31313
31314         * config/soft-fp/double.h: Update from glibc CVS.
31315
31316 2009-02-17  Richard Guenther  <rguenther@suse.de>
31317
31318         PR tree-optimization/39207
31319         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
31320         strict-aliasing warnings for pointers pointing to NULL.
31321
31322 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
31323
31324         PR c/35446
31325         * c-parser.c (c_parser_braced_init): Call pop_init_level when
31326         skipping until next close brace.
31327
31328 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
31329
31330         PR target/37049
31331         * config/i386/i386.c (ix86_expand_push): Set memory alignment
31332         to function argument boundary.
31333
31334 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
31335
31336         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
31337         in the lea_add. Reload eventually constraints it properly.
31338         * config/picochip/constraints.md: Remove the target constraint
31339         "b", since it is not needed anymore.
31340
31341 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
31342
31343         * gthr-dce.h: Uglify function parameter and local variable names.
31344         * gthr-gnat.h: Likewise.
31345         * gthr-mipssde.h: Likewise.
31346         * gthr-nks.h: Likewise.
31347         * gthr-posix95.h: Likewise.
31348         * gthr-posix.h: Likewise.
31349         * gthr-rtems.h: Likewise.
31350         * gthr-single.h: Likewise.
31351         * gthr-solaris.h: Likewise.
31352         * gthr-tpf.h: Likewise.
31353         * gthr-vxworks.h: Likewise.
31354         * gthr-win32.h: Likewise.
31355
31356 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
31357
31358         PR target/39196
31359         * config/i386/i386.md: Restrict the new peephole2 to move
31360         between MMX/SSE registers.
31361
31362 2009-02-15  Richard Guenther  <rguenther@suse.de>
31363
31364         Revert
31365         2009-02-13  Richard Guenther  <rguenther@suse.de>
31366
31367         * configure.ac: Enable LFS.
31368         * configure: Re-generate.
31369         * config.in: Likewise.
31370
31371 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31372
31373         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
31374         spu_srqwbyte, spu_srqwbytebc): Define.
31375         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
31376         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
31377         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
31378         "shrqby_<mode>"): New insn-and-split patterns.
31379         * config/spu/spu.c (expand_builtin_args): Determine and return
31380         number of operands using spu_builtin_description data.
31381         (spu_expand_builtin_1): Use it.
31382
31383 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
31384
31385         PR target/38056
31386         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
31387         TARGET_CONST_GP.
31388
31389 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
31390
31391         PR target/39149
31392         * config/i386/i386.c (override_options): Correct warning
31393         messages for -malign-loops, -malign-jumps and -malign-functions.
31394
31395 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
31396
31397         PR target/39152
31398         * config/i386/i386.md: Restrict the new peephole2 to move
31399         between the general purpose registers.
31400
31401 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
31402
31403         PR target/39162
31404         * config/i386/i386.c (type_natural_mode): Add a new argument.
31405         Return the original mode and warn ABI change if vector size is 32byte.
31406         (function_arg_advance): Updated.
31407         (function_arg): Likewise.
31408         (ix86_function_value): Likewise.
31409         (ix86_return_in_memory): Likewise.
31410         (ix86_sol10_return_in_memory): Likewise.
31411         (ix86_gimplify_va_arg): Likewise.
31412         (function_arg_32): Don't warn ABX ABI change here.
31413         (function_arg_64): Likewise.
31414
31415 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
31416
31417         * loop-iv.c (implies_p): In the final case, test that operands 0
31418         of the two comparisons match.
31419
31420         * config/bfin/bfin.c (find_prev_insn_start): New function.
31421         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
31422         (find_next_insn_start): Move.
31423
31424 2009-02-13  Richard Guenther  <rguenther@suse.de>
31425
31426         * configure.ac: Enable LFS.
31427         * configure: Re-generate.
31428         * config.in: Likewise.
31429
31430 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
31431
31432         PR c/35444
31433         * c-parser.c (c_parser_parms_list_declarator): Discard pending
31434         sizes on syntax error after some arguments have been parsed.
31435
31436 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
31437
31438         * doc/invoke.texi (-fira): Remove.
31439
31440 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
31441
31442         * caller-save.c: Replace regclass.c with reginfo.c in comments.
31443         * recog.c: Likewise.
31444         * rtl.h: Likewise.
31445
31446 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
31447
31448         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
31449         (umul_ppmm): Likewise.
31450         (count_leading_zeros): Likewise.
31451         (count_trailing_zeros): Likewise.
31452         (UMUL_TIME): Likewise.
31453
31454 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
31455
31456         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
31457         soft-fp/t-softfp to tmake_file.
31458
31459         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
31460         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
31461         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
31462         IA64_BUILTIN_INFQ]: New.
31463         (ia64_init_builtins): Initialize __builtin_infq,
31464         __builtin_fabsq and __builtin_copysignq if not HPUX.
31465         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
31466         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
31467
31468         * config/ia64/lib1funcs.asm (__divtf3): Define only if
31469         SHARED is defined.
31470         (__fixtfti): Likewise.
31471         (__fixunstfti): Likewise.
31472         (__floattitf): Likewise.
31473
31474         * config/ia64/libgcc-glibc.ver: New.
31475         * config/ia64/t-fprules-softfp: Likewise.
31476         * config/ia64/sfp-machine.h: Likewise.
31477
31478         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
31479         (LIBGCC2_TF_CEXT): Likewise.
31480         (TF_SIZE): Likewise.
31481         (TARGET_INIT_LIBFUNCS): Likewise.
31482
31483         * config/ia64/t-glibc (SHLINB_MAPFILES):
31484         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
31485
31486 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
31487
31488         * config/i386/i386.c (construct_container): Rewrite processing
31489         BLKmode with X86_64_SSE_CLASS.
31490
31491 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
31492
31493         PR target/39152
31494         * config/i386/i386.md: Replace simplify_replace_rtx with
31495         replace_rtx in the new peephole2.
31496
31497 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
31498
31499         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
31500         loop unrolling do not happen at -O2.
31501
31502 2009-02-12  Michael Matz  <matz@suse.de>
31503
31504         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
31505
31506 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
31507
31508         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
31509         for -g3.
31510
31511 2009-02-12  Ben Elliston  <bje@au.ibm.com>
31512
31513         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
31514         patterns when updating the back chain.  Missed in the 2009-02-10
31515         change.
31516
31517 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
31518
31519         * doc/extend.texi (Decimal Floating Types): Update identifier of
31520         draft TR and list of missing support.
31521
31522 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
31523
31524         PR middle-end/39154
31525         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
31526         bit to variable length decl's flags, add it also to its
31527         pointer replacement variable.
31528
31529 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
31530             Jakub Jelinek  <jakub@redhat.com>
31531
31532         PR target/39118
31533         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
31534         (memory_blockage): New expander.
31535         (*memory_blockage): New insn pattern.
31536         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
31537         instead of general blockage at the end of function prologue when
31538         frame pointer is used to access red zone area.  Do not emit blockage
31539         when profiling, it is emitted in generic code.
31540         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
31541         function epilogue when frame pointer is used to access red zone area.
31542
31543 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
31544
31545         PR target/38824
31546         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
31547         by arithmetic with memory operands.
31548         * config/i386/predicates.md (commutative_operator): New.
31549
31550 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
31551
31552         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
31553         bulleted lists.
31554
31555 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
31556
31557         * alias.h (record_alias_subset): Declare.
31558         * alias.c (record_alias_subset): Make global.
31559
31560 2009-02-10  Nick Clifton  <nickc@redhat.com>
31561
31562         * tree-parloops.c: Change license to GPLv3.
31563         * ipa-struct-reorg.c: Change license to GPLv3.
31564         * ipa-struct-reorg.h: Change license to GPLv3.
31565
31566 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
31567
31568         PR c/39084
31569         * c-decl.c (start_struct): Return NULL on error.
31570
31571 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
31572
31573         PR middle-end/39124
31574         * cfgloopmanip.c (remove_path): Call remove_bbs after
31575         cancel_loop_tree, not before it.
31576
31577         PR target/39139
31578         * function.h (struct function): Add has_local_explicit_reg_vars bit.
31579         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
31580         VAR_DECLs were seen.
31581         * tree-ssa-live.c (remove_unused_locals): Recompute
31582         cfun->has_local_explicit_reg_vars.
31583         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
31584         copies or clearings if cfun->has_local_explicit_reg_vars.
31585
31586 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
31587
31588         PR target/39118
31589         * config/i386/i386.c (expand_prologue): Emit blockage at the end
31590         of function prologue when frame pointer is used to access
31591         red zone area.
31592
31593 2009-02-10  Richard Guenther  <rguenther@suse.de>
31594
31595         PR middle-end/39127
31596         * gimplify.c (gimple_regimplify_operands): Always look if
31597         we need to create a temporary.
31598
31599 2009-02-10  Richard Guenther  <rguenther@suse.de>
31600
31601         PR tree-optimization/39132
31602         * tree-loop-distribution.c (todo): New global var.
31603         (generate_memset_zero): Trigger TODO_rebuild_alias.
31604         (tree_loop_distribution): Return todo.
31605
31606 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
31607
31608         PR target/39119
31609         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
31610         (x86_64_reg_class_name): Removed.
31611         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
31612         first one isn't X86_64_SSE_CLASS or any other ones aren't
31613         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
31614         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
31615         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
31616         and 3 X86_64_SSEUP_CLASS.
31617         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
31618         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
31619
31620 2009-02-10  Ben Elliston  <bje@au.ibm.com>
31621
31622         * config/rs6000/rs6000.md (allocate_stack): Always use an update
31623         form instruction to update the stack back chain word, even if the
31624         user has disabled the generation of update instructions.
31625         (movdi_<mode>_update_stack): New.
31626         (movsi_update_stack): Likewise.
31627         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
31628         always use an update form instruction to update the stack back
31629         chain word.
31630
31631 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
31632
31633         PR middle-end/38953
31634         * graphite.c (if_region_set_false_region): After moving a region in
31635         the false branch of a condition, remove the empty dummy basic block.
31636         (gloog): Remove wrong fix for PR38953.
31637
31638 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31639
31640         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
31641         generation due to implicit sign extension.
31642
31643 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
31644
31645         PR middle-end/38981
31646         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
31647         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
31648
31649 2009-02-09  Richard Guenther  <rguenther@suse.de>
31650
31651         PR middle-end/35202
31652         * convert.c (convert_to_real): Disable (float)fn((double)x)
31653         to fnf(x) conversion if errno differences may occur and
31654         -fmath-errno is set.
31655
31656 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
31657
31658         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
31659         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
31660         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
31661
31662 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
31663
31664         PR c/35434
31665         * c-common.c (handle_alias_attribute): Disallow attribute for
31666         anything not a FUNCTION_DECL or VAR_DECL.
31667
31668 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
31669
31670         PR c/39035
31671         * real.c (do_compare): Special-case compare of zero against
31672         decimal float value.
31673
31674 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
31675
31676         PR c/36432
31677         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
31678         as indicating flexible array members unless the field itself is
31679         being declarared as the incomplete array.
31680
31681 2009-02-06  Jan Hubicka  <jh@suse.cz>
31682
31683         PR tree-optimization/38844
31684         * ipa-inline.c (try_inline): Stop inlining recursion when edge
31685         is already inlined.
31686
31687 2009-02-06  Richard Guenther  <rguenther@suse.de>
31688
31689         PR middle-end/38977
31690         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
31691         fork because we may expand it as __gcov_fork.
31692
31693 2009-02-06  Nick Clifton  <nickc@redhat.com>
31694
31695         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
31696
31697 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
31698
31699         PR tree-optimization/35659
31700         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
31701         vn_phi_eq): Shortcut if hashcode does not match.
31702         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
31703         NULL operands.
31704         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
31705         and avoid iterative_hash_expr.
31706         (FOR_EACH_VALUE_ID_IN_SET): New.
31707         (value_id_compare): Remove.
31708         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
31709         sort expressions by value id.
31710
31711 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
31712
31713         PR target/38991
31714         * config/sh/predicates.md (general_movsrc_operand): Don't check
31715         the subreg of system registers here.
31716
31717 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
31718
31719         PR c++/39106
31720         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
31721         on the copied decl.
31722
31723 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
31724
31725         PR rtl-optimization/39110
31726         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
31727         addresses, not aligned ones.
31728
31729 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
31730             Richard Guenther  <rguenther@suse.de>
31731
31732         PR tree-optimization/39100
31733         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
31734         comment says and add edges.
31735
31736 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
31737
31738         PR c/35435
31739         * c-common.c (handle_tls_model_attribute): Ignore attribute for
31740         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
31741
31742 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
31743
31744         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
31745         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
31746         register_bb_in_sese, new_sese, free_sese): Moved.
31747         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
31748         outermost_loop_in_scop, build_scop_iteration_domain,
31749         expand_scalar_variables_ssa_name, get_vdef_before_scop,
31750         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
31751         Use loop_in_sese_p instead of loop_in_scop_p.
31752         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
31753         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
31754         (scopdet_basic_block_info): Fix bug in scop detection.
31755         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
31756         eq_loop_to_cloog_loop): Remove.
31757         (nb_loops_around_loop_in_scop, nb_loop
31758         ref_nb_loops): Moved here...
31759         * graphite.h (ref_nb_loops): ... from here.
31760         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
31761         (loop_domain_dim, loop_iteration_vector_dim): Remove.
31762         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
31763
31764 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
31765             Hans-Peter Nilsson  <hp@axis.com>
31766
31767         PR rtl-optimization/37889
31768         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
31769         Move offset handling from PLUS to before the switch.  Use new
31770         arguments when considering SYMBOL_REFs too.
31771         (rtx_addr_can_trap_p): Pass dummy offset and size.
31772         (enum may_trap_p_flags): Remove.
31773         (may_trap_p_1): Pass size from MEM_SIZE.
31774
31775         PR rtl-optimization/38921
31776         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
31777         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
31778         * rtlanal.c (may_trap_after_code_motion_p): Delete.
31779         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
31780
31781 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
31782
31783         AVX Programming Reference (January, 2009)
31784         * config/i386/sse.md (*vpclmulqdq): New.
31785
31786 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
31787
31788         PR tree-optimization/38977
31789         PR gcov-profile/38292
31790         * calls.c (special_function_p): Disregard __builtin_ prefix.
31791
31792 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
31793
31794         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
31795         non-indexable addresses even before reload.
31796
31797 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
31798
31799         PR c/29129
31800         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
31801         as having variable size.  Do not give an error for unnamed
31802         parameters with [*] declarators.  Give a warning for type names
31803         with [*] declarators and mark them as variable size.
31804         * c-parser.c (c_parser_sizeof_expression): Do not give an error
31805         for sizeof applied to [*] type names.
31806
31807 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
31808
31809         PR C++/36607
31810         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
31811
31812 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
31813
31814         * gcc.c (process_command): Update copyright notice dates.
31815         * gcov.c (print_version): Likewise.
31816         * gcov-dump.c (print_version): Likewise.
31817         * mips-tfile.c (main): Likewise.
31818         * mips-tdump.c (main): Likewise.
31819
31820 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
31821
31822         PR c/35433
31823         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
31824         for composite type involving a zero-length array type.
31825
31826 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
31827
31828         PR target/35318
31829         * function.c (match_asm_constraints_1): Skip over
31830         initial optional % in the constraint.
31831
31832         PR inline-asm/39059
31833         * c-parser.c (c_parser_postfix_expression): If fixed point is not
31834         supported, don't accept FIXED_CSTs.
31835         * c-decl.c (finish_declspecs): Error if fixed point is not supported
31836         and _Sat is used without _Fract/_Accum.  Set specs->type to
31837         integer_type_node for cts_fract/cts_accum if fixed point is not
31838         supported.
31839
31840 2009-02-02  Catherine Moore  <clm@codesourcery.com>
31841
31842         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
31843
31844 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
31845
31846         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
31847         (ABI_HAS_64BIT_SYMBOLS): Use it.
31848         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
31849
31850 2009-02-02  Paul Brook  <paul@codesourcery.com>
31851
31852         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
31853
31854 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
31855
31856         PR inline-asm/39058
31857         * recog.h (asm_operand_ok): Add constraints argument.
31858         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
31859         recurse on matching constraint.
31860         (check_asm_operands): Pass constraints as 3rd argument to
31861         asm_operand_ok.  Don't look up matching constraint here.
31862         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
31863         to asm_operand_ok.
31864
31865 2009-02-02  Ben Elliston  <bje@au.ibm.com>
31866
31867         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
31868         TARGET_NARROW_VOLATILE_BITFIELD macro names.
31869
31870 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31871
31872         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
31873         information.  Remove some obsolete information.  Reorganize.
31874
31875         * config/pa/fptr.c: Revert license to GPL 2.
31876         * config/pa/milli64.S: Likewise.
31877
31878 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
31879
31880         PR target/38904
31881         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
31882         LIBRARY name in, instead of hard-coding it.
31883         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
31884         extra target make frag to tmake_files according to EH model.
31885         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
31886         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
31887         frags that define makefile variable EH_MODEL appropriately.
31888         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
31889         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
31890         to "-sjlj" according to type of EH configured.
31891         (LIBGCC_SONAME):  Concatenate it to shared library base name.
31892         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
31893         to "_sjlj" according to type of EH configured.
31894         (LIBGCC_SONAME):  Concatenate it to shared library base name.
31895         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
31896         (SHLIB_LINK):  Add missing semicolon to if-else construct.
31897         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
31898         string value of "pe_dll" command-line option.
31899         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
31900         (SHLIB_SONAME):  Use it when overriding t-cygming default.
31901         (SHLIB_IMPLIB):  Override t-cygming default.
31902         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
31903         string value of "pe_dll" command-line option.
31904
31905 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
31906
31907         PR target/38952
31908         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
31909         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
31910
31911 2009-01-31  Richard Guenther  <rguenther@suse.de>
31912
31913         PR tree-optimization/38937
31914         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
31915         computing the transitive closure.
31916
31917 2009-01-30  Richard Guenther  <rguenther@suse.de>
31918
31919         PR tree-optimization/39041
31920         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
31921         Propagate variable indices only if the types match for this stmt.
31922
31923 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
31924
31925         PR target/39013
31926         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
31927         inline but never defined.
31928
31929 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
31930
31931         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
31932         (*insv_h_di_reg_extimm): New insn.
31933         (*insv_l<mode>_reg_extimm): New insn.
31934
31935 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
31936
31937         * config/picochip/picochip.c (flag_conserve_stack): set
31938         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
31939         fconserve-stack. Reduce call-overhead used by inliner.
31940
31941 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
31942
31943         PR/38157
31944         * common.opt (flag_conserve_stack): Initialised to zero.
31945
31946 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
31947
31948         PR/39002
31949         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
31950         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
31951         method.
31952
31953 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
31954
31955         * ira-color.c (allocno_reload_assign): Update comments.
31956         * regmove.c (regmove_optimize): Likewise.
31957
31958         * ra.h: Removed.
31959
31960 2009-01-29  Robert Millan  <rmh@aybabtu.com>
31961
31962         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
31963         * config/i386/kopensolaris-gnu.h: New file.  Undefine
31964         `MD_UNWIND_SUPPORT'.
31965         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
31966
31967 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
31968
31969         PR tree-optimization/39007
31970         * tree-loop-distribution.c (generate_builtin): Use
31971         recompute_dominator to compute the immediate dominator of the
31972         basic block just after the loop.
31973
31974 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
31975
31976         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
31977         (ASM_OUTPUT_DWARF_PCREL): Define.
31978
31979 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
31980
31981         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
31982         * doc/passes.texi: Remove entries about regclass, local-alloc, and
31983         global.  Modify entries about regmove and IRA.
31984
31985         * ra-conflict.c: Remove the file.
31986
31987         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
31988
31989         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
31990         (pass_regclass_init): Rename to pass_reginfo_init.
31991
31992         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
31993
31994         * toplev.h (flag_ira): Remove.
31995
31996         * caller-save.c (setup_save_areas): Remove flag_ira.
31997
31998         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
31999
32000         * global.c: Remove the file.
32001
32002         * opts.c (decode_options): Remove flag_ira.
32003
32004         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
32005
32006         * regmove.c: Modify file description.
32007         (find_use_as_address, try_auto_increment): Define them only if
32008         AUTO_INC_DEC is defined.
32009         (replacement_quality, replace_in_call_usage, fixup_match_1,
32010         stable_and_no_regs_but_for_p): Remove.
32011         (reg_set_in_bb): Make it static.
32012         (regmove_optimize): Remove flag_ira and code which worked for
32013         !flag_ira.
32014
32015         * local-alloc.c: Remove the file.
32016
32017         * common.opt (fira): Remove.
32018
32019         * ira.c: Include except.h.
32020         (eliminable_regset): Move from global.c.
32021         (mark_elimination): Ditto.  Remove flag_ira.
32022         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
32023         equiv_mem_modified, validate_equiv_mem_from_store,
32024         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
32025         contains_replace_regs, memref_referenced_p, memref_used_between_p,
32026         no_equiv, recorded_label_ref): Move from local-alloc.c.
32027         (update_equiv_regs): Ditto.  Make it static.
32028         (print_insn_chain, print_insn_chains): Move it from global.c.
32029         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
32030         (build_insn_chain): Ditto.  Make it static.
32031         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
32032         Rename to init_live_subregs.
32033         (gate_ira): Remove flag_ira.
32034
32035         * regclass.c: Rename reginfo.c.  Change file description.
32036         (FORBIDDEN_INC_DEC_CLASSES): Remove.
32037         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
32038         (init_reg_sets_1): Remove code for evaluation of
32039         reg_class_superclasses and losing_caller_save_reg_set.
32040         (init_regs): Remove init_reg_autoinc.
32041         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
32042         ok_for_base_p_nonstrict): Remove.
32043         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
32044         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
32045         corresponding entries.
32046         (dump_regclass, record_operand_costs, scan_one_insn,
32047         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
32048         record_address_regs, auto_inc_dec_reg_p): Remove.
32049         (gt-regclass.h): Rename to gt-reginfo.h.
32050
32051         * rtl.h (dump_global_regs, retry_global_alloc,
32052         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
32053
32054         * Makefile.in (RA_H): Remove.
32055         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
32056         Rename regclass.o to reginfo.o.
32057         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
32058         gt-reginfo.h.
32059         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
32060         (GTFILES): Rename regclass.c to reginfo.c.
32061
32062         * passes.c (init_optimization_passes): Remove pass_local_alloc and
32063         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
32064
32065         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
32066         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
32067         Remove flag_ira.
32068         (finish_spills): Ditto.  Remove code for !flag_ira.
32069
32070 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
32071
32072         PR middle-end/35854
32073         * doc/invoke.texi (rtl debug options): Complete rewrite.
32074         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
32075         to auto_inc_dec".
32076         * mode-switching.c (pass_mode_switching): Rename pass from
32077         "mode-sw" to "mode_sw".
32078         * except.c (pass_convert_to_eh_ranges): Rename pass from
32079         "eh-ranges" to "eh_ranges".
32080         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
32081         to "subreg1".
32082
32083
32084 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
32085             Alexander Monakov  <amonakov@ispras.ru>
32086
32087         PR middle-end/38857
32088         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
32089         register.
32090         (move_exprs_to_boundary): Change return type and pass through
32091         should_move from move_op.  Relax assert.  Update usage ...
32092         (schedule_expr_on_boundary): ... here.  Use should_move instead of
32093         cant_move.
32094         (move_op_orig_expr_found): Indicate that insn was disconnected from
32095         stream.
32096         (code_motion_process_successors): Do not call after_merge_succs
32097         callback if original expression was not found when traversing any of
32098         the branches.
32099         (code_motion_path_driver): Change return type.  Update prototype.
32100         (move_op): Update comment.  Add a new parameter (should_move).  Update
32101         prototype.  Set *should_move based on indication provided by
32102         move_op_orig_expr_found.
32103
32104 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
32105
32106         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
32107         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
32108         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
32109         * config/rs6000/rs6000.c (rs6000_override_options): Default
32110         avoid-indexed-addresses on for Power6, off for everything else.
32111         (avoiding_indexed_address_p): New function.
32112         (rs6000_legitimize_address): Use it.
32113         (rs6000_legitimate_address): Likewise.
32114         * config/rs6000/rs6000.md (movXX_updateX): Likewise
32115
32116 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
32117
32118         PR tree-optimization/38997
32119         * tree-loop-distribution.c (generate_memset_zero): Use
32120         POINTER_PLUS_EXPR for a pointer addition.
32121
32122 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
32123
32124         * config/s390/s390.md (bswap<mode>2): New pattern added.
32125
32126 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
32127
32128         * config/s390/s390.md (*tls_load_31): Added type attribute.
32129
32130 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
32131
32132         * config/s390/s390.md: Fix a few comments.
32133
32134 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
32135
32136         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
32137         (*tm<mode>_full): Fixed z10prop attribute.
32138         (*tst<mode>_extimm): Fixed z10prop attribute.
32139         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
32140         (*tstqiCCT_cconly): Fixed z10prop attribute.
32141         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
32142         (*movsi_larl): Fixed z10prop attribute.
32143         (*movsi_zarch): Fixed z10prop attribute.
32144         (*movsi_eas): Fixed z10prop attribute.
32145         (*movhi): Fixed z10prop attribute.
32146         (*movqi): Fixed z10prop attribute.
32147         (*movstrictqi): Fixed z10prop attribute.
32148         (*mov<mode>): Fixed z10prop attribute.
32149         (*movcc): Fixed z10prop attribute.
32150         (*sethighpartdi_64): Fixed z10prop attribute.
32151         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
32152         (*negdi2_sign_cc): Fixed z10prop attribute.
32153         (*negdi2_sign): Fixed z10prop attribute.
32154         (*absdi2_sign_cc): Fixed z10prop attribute.
32155         (*absdi2_sign): Fixed z10prop attribute.
32156         (*negabsdi2_sign_cc): Fixed z10prop attribute.
32157         (*negabsdi2_sign): Fixed z10prop attribute.
32158         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
32159         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
32160         (doloop_si64): Fixed z10prop attribute.
32161         (doloop_si31): Fixed z10prop attribute.
32162         (doloop_long): Fixed z10prop attribute.
32163         (indirect_jump): Fixed z10prop attribute.
32164         (nop): Fixed z10prop attribute.
32165         (main_base_64): Fixed z10prop attribute.
32166         (reload_base_64): Fixed z10prop attribute.
32167
32168 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
32169
32170         PR rtl-optimization/38740
32171         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
32172         if !optimize.
32173         * config/mips/mips.c (mips_reorg): Likewise.
32174
32175 2009-01-28  Richard Guenther  <rguenther@suse.de>
32176
32177         PR tree-optimization/38926
32178         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
32179         with the correct value id to a value.
32180         (do_regular_insertion): Use the value number of edoubleprime
32181         for the value number of the expr.
32182
32183         Revert
32184         2008-08-21  Richard Guenther  <rguenther@suse.de>
32185
32186         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
32187         a PHI ask VN if it is already available.
32188         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
32189         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
32190
32191 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
32192
32193         PR middle-end/38934
32194         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
32195         set to varying whenever max has TREE_OVERFLOW set, similarly
32196         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
32197
32198 2009-01-28  Richard Guenther  <rguenther@suse.de>
32199
32200         PR middle-end/38908
32201         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
32202         uninitialized aggregate uses in call arguments.
32203
32204 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
32205
32206         PR tree-optimization/38984
32207         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
32208         the nothing_id variable if -fno-delete-null-pointer-checks.
32209
32210 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
32211
32212         PR target/38988
32213         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
32214         (set_got_offset_rex64): Ditto.
32215
32216 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
32217
32218         PR target/38941
32219         * doc/extend.texi: Improve local variable with asm reg.
32220
32221 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
32222
32223         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
32224         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
32225         was not supplied then set warn_packed_bitfield_compat to the
32226         default value of 1.
32227         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
32228         against 1.
32229
32230 2009-01-27  Richard Guenther  <rguenther@suse.de>
32231
32232         PR tree-optimization/38503
32233         * cfgexpand.c (expand_gimple_basic_block): Ignore
32234         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
32235         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
32236         variables that cannot have TBAA applied.
32237         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
32238         statements.
32239
32240 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
32241
32242         PR middle-end/38969
32243         * calls.c (initialize_argument_information): Do not wrap complex
32244         arguments in SAVE_EXPR.
32245
32246 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
32247
32248         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
32249         (INSTALL_LIBGCC): Revert typo commit.
32250
32251 2009-01-26  Richard Guenther  <rguenther@suse.de>
32252
32253         PR tree-optimization/38745
32254         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
32255         from special handling.
32256
32257 2009-01-26  Richard Guenther  <rguenther@suse.de>
32258
32259         PR tree-optimization/38745
32260         * tree-ssa.c (execute_update_addresses_taken): Do not include
32261         variables that cannot possibly be a register in not_reg_needs.
32262         Do not clear TREE_ADDRESSABLE on vars that may not become
32263         registers.
32264         * tree-ssa.c (update_alias_info_1): Include those in the set
32265         of addressable vars.
32266
32267 2009-01-26  Richard Guenther  <rguenther@suse.de>
32268
32269         PR middle-end/38851
32270         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
32271         * tree-ssa-dse.c: Include langhooks.h
32272         (execute_simple_dse): Remove stores with zero size.
32273
32274 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
32275
32276         PR c/38957
32277         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
32278         as PLUS_EXPR.
32279
32280 2009-01-24  Julian Brown  <julian@codesourcery.com>
32281
32282         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
32283         config/arm/linux-atomic.c.
32284         * config/arm/linux-atomic.c: New.
32285
32286 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
32287
32288         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
32289         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
32290         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
32291
32292 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
32293
32294         PR c/38938
32295         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
32296         properly.
32297
32298 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
32299
32300         PR tree-optimization/38953
32301         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
32302         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
32303         (gloog): Split the exit of the scop when the scop exit is a loop exit.
32304         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
32305         changed the CFG.
32306
32307 2009-01-24  Paul Brook  <paul@codesourcery.com>
32308
32309         * config/arm/neon.md (neon_type): Move to arm.md.
32310         (neon_mov<VSTRUCT>): Add neon_type attribute.
32311         * config/arm/arm.md (neon_type): Move to here.
32312         (conds): Add "unconditioal" and use as default for NEON insns.
32313
32314 2009-01-24  Ben Elliston  <bje@au.ibm.com>
32315
32316         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
32317         void *' warning from -Wc++-compat.
32318         * Makefile.in (dominance.o-warn): Remove.
32319
32320 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
32321
32322         PR tree-optimization/38932
32323         * fold-const.c (fold_unary_ignore_overflow): New.
32324         * tree.h (fold_unary_ignore_overflow): Declare.
32325         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
32326         * tree-ssa-sccvn.c (visit_reference_op_load,
32327         simplify_unary_expression): Likewise.
32328
32329 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
32330
32331         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
32332         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
32333         regardless of their type.
32334         * c-common.c (handle_packed_attribute): Don't ignore packed on
32335         bitfields.
32336         * c.opt (Wpacked-bitfield-compat): New warning option.
32337         * stor-layout.c (place_field): Warn if offset of a field changed.
32338         * doc/extend.texi (packed): Mention the ABI change.
32339         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
32340         (Warning Options): Add it to the list.
32341
32342 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
32343
32344         * c-opts.c (c_common_post_options): Fix a typo in comments.
32345
32346 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
32347
32348         PR middle-end/38615
32349         * gimplify.c (gimplify_init_constructor): Fix promotion of const
32350         variables to static.
32351         * doc/invoke.texi (-fmerge-all-constants): Update description.
32352
32353 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
32354
32355         PR target/38931
32356         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
32357         (*movdi_1_rex64): Use type "mmx" for alternative 5.
32358
32359 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
32360
32361         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
32362         a word boundary.
32363         (LOCAL_ALIGNMENT): Similarly.
32364
32365 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
32366             Joseph Myers  <joseph@codesourcery.com>
32367
32368         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
32369         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
32370         * config/arm/arm-tune.md: Regenerate.
32371         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
32372         -march=iwmmxt2.
32373
32374 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
32375
32376         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
32377         version number to five.
32378
32379 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
32380
32381         PR c++/38930
32382         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
32383         * c-common.c (set_underlying_type): Likewise.
32384         (is_typedef_decl ): Likewise
32385         * tree.h: Likewise
32386         (set_underlying_type): Likewise.
32387         (is_typedef_type): Likewise.
32388
32389 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
32390
32391         PR middle-end/38587
32392         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
32393         crossing setjmps.
32394
32395 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
32396
32397         PR bootstrap/37660
32398         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
32399         (LIBGCC_SPEC):  Don't define.
32400         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
32401
32402 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
32403
32404         PR rtl-optimization/38879
32405         * alias.c (base_alias_check): Unaligned access via AND address can
32406         alias all surrounding object types except those with sizes equal
32407         or wider than the size of unaligned access.
32408
32409 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
32410
32411         PR c++/26693
32412         * c-decl.c (clone_underlying_type): Move this ...
32413         * c-common.c (set_underlying_type): ... here.
32414         Also, make sure the function properly sets TYPE_STUB_DECL() on
32415         the newly created typedef variant type.
32416         (is_typedef_decl ): New entry point.
32417         * tree.h: Added a new member member_types_needing_access_check to
32418         struct tree_decl_non_common.
32419         (set_underlying_type): New entry point.
32420         (is_typedef_type): Likewise.
32421
32422 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
32423
32424         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
32425         Check whether two instructions have memory references that
32426         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
32427         are helper functions for traversing.
32428         * alias.h (insn_alias_sets_confilict_p): New prototypes.
32429         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
32430         not to draw dependency edge for instructions with non-conflicting
32431         alias sets.
32432
32433 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
32434
32435         PR other/38758
32436         * longlong.h: Update copyright years.  Use soft-fp license notice.
32437         Sync __clz_tab declaration with glibc.
32438
32439 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
32440
32441         PR target/30687
32442         * doc/extend.texi (syscall_linkage): New.
32443         (version_id): Modify.
32444
32445 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
32446             Richard Guenther  <rguenther@suse.de>
32447
32448         PR tree-optimization/38747
32449         PR tree-optimization/38748
32450         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
32451         conversion if the base address is an indirect reference and the
32452         aliasing sets could cause issues.
32453
32454 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
32455
32456         * common.opt (fgraphite, fgraphite-identity): Add comment for
32457         explaining why these options are not documented.
32458
32459 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
32460
32461         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
32462         gimple_call_lhs is NULL.
32463
32464 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
32465
32466         PR target/38868
32467         * emit-rtl.c (adjust_address_1): Make sure memref is never
32468         overwritten.
32469
32470 2009-01-20  Ben Elliston  <bje@au.ibm.com>
32471
32472         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
32473         const qualifier from arg parameter. Remove unnecessary cast to char *.
32474         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
32475         const qualifier from arg 2.
32476
32477 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
32478
32479         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
32480
32481 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
32482
32483         PR c/38869
32484         * rtl.h (reinit_regs): New prototype.
32485         * regclass.c: Include ira.h.
32486         (reinit_regs): New.
32487         * Makefile.in (regclass.o): Add ira.h.
32488         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
32489
32490 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
32491
32492         PR target/38736
32493         * c-common.c (handle_aligned_attribute): Use
32494         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
32495         default alignment value.
32496
32497         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
32498
32499         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
32500         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
32501
32502         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
32503         __BIGGEST_ALIGNMENT__.
32504
32505         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
32506
32507 2009-01-18  Richard Guenther  <rguenther@suse.de>
32508
32509         PR tree-optimization/38819
32510         * tree-flow.h (operation_could_trap_helper_p): Declare.
32511         * tree-eh.c (operation_could_trap_helper_p): Export.
32512         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
32513         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
32514         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
32515         are about to insert a possibly trapping instruction and fail
32516         in this case.
32517
32518 2009-01-18  Andreas Schwab  <schwab@suse.de>
32519
32520         * doc/install.texi (Configuration): Remove obsolete paragraph
32521         about use of --with-gnu-ld with --with-gnu-as.
32522
32523 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
32524
32525         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
32526         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
32527         Follow spelling conventions.
32528
32529 2009-01-18  Ben Elliston  <bje@au.ibm.com>
32530
32531         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
32532         C++ warning about implicit conversion from void * to struct
32533         bitmap_head_def *.
32534         (bitmap_obstack_free): Likewise for bitmap_element *.
32535         * Makefile.in (bitmap.o-warn): Remove.
32536
32537 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
32538
32539         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
32540
32541 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
32542             Tobias Grosser  <tobi.grosser@amd.com>
32543
32544         * graphite.c (graphite_trans_scop_block): Do not block single
32545         nested loops.
32546
32547 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
32548
32549         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
32550         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
32551         test with assertion.
32552
32553 2009-01-16  Richard Guenther  <rguenther@suse.de>
32554
32555         PR tree-optimization/38835
32556         PR middle-end/36227
32557         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
32558         and INT + PTR -> (INT)(PTR p+ INT) folding.
32559         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
32560
32561 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
32562
32563         PR target/38554
32564         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
32565         the subreg from a lowpart subreg if it is also casting the value.
32566
32567 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
32568             Tobias Grosser  <tobi.grosser@amd.com>
32569
32570         * graphite.c (compare_prefix_loops): New.
32571         (build_scop_canonical_schedules): Rewritten.
32572         (graphite_transform_loops): Move build_scop_canonical_schedules
32573         after build_scop_iteration_domain.
32574
32575 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
32576             Tobias Grosser  <tobi.grosser@amd.com>
32577
32578         * graphite.c (add_conditions_to_domain): Add the loops to
32579         the dimension of the iteration domain.  Do copy the domain
32580         only when it exists.
32581         (build_scop_conditions_1): Do not call add_conditions_to_domain.
32582         (add_conditions_to_constraints): New.
32583         (can_generate_code_stmt, can_generate_code): Removed.
32584         (gloog): Do not call can_generate_code.
32585         (graphite_transform_loops): Call add_conditions_to_constraints
32586         after building the iteration domain.
32587
32588 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
32589
32590         PR tree-optimization/38789
32591         * tree-ssa-threadedge.c
32592         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
32593         __builtin_constant_p.
32594
32595 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
32596
32597         * dce.c (delete_unmarked_insns): Reversed the order that insns are
32598         examined before deleting them.
32599
32600 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
32601
32602         * function.c (aggregate_value_p): Correctly extract the function
32603         type from CALL_EXPR_FN lookup.
32604
32605 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
32606
32607         * config/picochip/picochip.c (picochip_override_options): Revert
32608         CFI asm flag disable commited previously.
32609
32610 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
32611             Tobias Grosser  <tobi.grosser@amd.com>
32612             Jan Sjodin  <jan.sjodin@amd.com>
32613
32614         * graphite.c (scan_tree_for_params): On substractions negate
32615         all the coefficients of the term.
32616         (clast_to_gcc_expression_red): New.  Handle reduction expressions
32617         of more than two operands.
32618         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
32619         (get_vdef_before_scop): Handle also the case of default definitions.
32620
32621 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
32622
32623         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
32624         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
32625         Also use them when walking CALL_INSN_FUNCTION_USAGE.
32626
32627 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
32628             Joey Ye  <joey.ye@intel.com>
32629
32630         PR middle-end/37843
32631         * cfgexpand.c (expand_stack_alignment): Don't update stack
32632         boundary nor check incoming stack boundary here.
32633         (gimple_expand_cfg): Update stack boundary and check incoming
32634         stack boundary here.
32635
32636 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
32637
32638         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
32639
32640 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
32641
32642         PR rtl-optimization/38245
32643         * calls.c (expand_call): Add stack arguments to
32644         CALL_INSN_FUNCTION_USAGE even for pure calls (when
32645         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
32646         in regs and partially in memory or BLKmode arguments.
32647         (emit_library_call_value_1): Add stack arguments to
32648         CALL_INSN_FUNCTION_USAGE even for pure calls (when
32649         ACCUMULATE_OUTGOING_ARGS).
32650         * dce.c: Include tm_p.h.
32651         (find_call_stack_args): New function.
32652         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
32653         argument.
32654         (mark_insn): Call find_call_stack_args for CALL_Ps.
32655         (prescan_insns_for_dce): Walk insns backwards in bb rather than
32656         forwards.  Allocate and free arg_stores bitmap if needed, pass it
32657         down to deletable_insn_p, don't mark stores set in arg_stores
32658         bitmap, clear the bitmap at the beginning of each bb.
32659         * Makefile.in (dce.o): Depend on $(TM_P_H).
32660
32661 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
32662
32663         PR target/22599
32664         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
32665         to make sure the insn is a conditional test (bug 22599).  Reformat a
32666         few long lines.
32667
32668 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
32669
32670         PR middle-end/38431
32671         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
32672         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
32673         (gloog): Do not call cleanup_tree_cfg.
32674         (graphite_transform_loops): Call cleanup_tree_cfg after all
32675         scops have been code generated.
32676
32677 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
32678         * doc/gty.texi (Invoking the garbage collector): Added new node
32679         and section documenting ggc_collect.
32680
32681 2009-01-14  Richard Guenther  <rguenther@suse.de>
32682
32683         PR tree-optimization/38826
32684         PR middle-end/38477
32685         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
32686         initialization notes only if we actually emitted a warning.
32687         (intra_create_variable_infos): Add constraints for a result decl
32688         that is passed by hidden reference.
32689         (build_pred_graph): Mark all related variables non-direct on
32690         address-taking.
32691
32692 2009-01-14  Nick Clifton  <nickc@redhat.com>
32693
32694         * ira-conflicts.c: Include addresses.h for the definition of
32695         base_reg_class.
32696         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
32697         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
32698
32699 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
32700
32701         PR target/38811
32702         * Makefile.in (ira-lives.o): Add except.h.
32703
32704         * ira-lives.c: Include except.h.
32705         (process_bb_node_lives): Process can_throw_internal.
32706
32707 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
32708
32709         PR rtl-optimization/38774
32710         * combine.c (simplify_set): When undoing cc_use change, don't do
32711         PUT_CODE on the newly created comparison, but instead put back the
32712         old comparison.
32713
32714 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
32715
32716         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
32717         values.  Remove duplicate arm8 entry.
32718
32719 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
32720
32721         PR tree-optimization/38786
32722         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
32723         the SSA_NAME case of expand_scalar_variables_expr.
32724         Set the type of an expression to the type of its assign statement.
32725         (expand_scalar_variables_expr): Also gather the scalar computation
32726         used to index the memory access.  Do not pass loop_p.
32727         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
32728         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
32729         the gimple_stmt_iterator where it inserts new code.
32730         Do not pass loop_p.
32731         (copy_bb_and_scalar_dependences): Do not pass loop_p.
32732         (translate_clast): Update call to copy_bb_and_scalar_dependences.
32733
32734 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
32735
32736         * graphite.h (debug_value): Removed.
32737         * graphite.c (debug_value): Removed.
32738
32739 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
32740
32741         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
32742         ldrd/strd with two 32-bit instructions.
32743
32744 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
32745
32746         * config/arm/arm.c (struct processors): Pass for speed down into
32747         cost helper functions.
32748         (const_ok_for_op): Handle COMPARE and inequality nodes.
32749         (arm_rtx_costs_1): Rewrite.
32750         (arm_size_rtx_costs): Update prototype.
32751         (arm_rtx_costs): Pass speed down to helper functions.
32752         (arm_slowmul_rtx_costs): Rework cost calculations.
32753         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
32754         (arm_9e_rtx_costs): Likewise.
32755
32756 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
32757
32758         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
32759         relocations of local symbols wider than UNITS_PER_WORD are not valid.
32760         (alpha_legitimize_address): Do not split local symbols wider than
32761         UNITS_PER_WORD into HIGH/LO_SUM parts.
32762
32763 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
32764
32765         PR bootstrap/38580
32766         * gcc.c (process_command): Replace call to execvp with calls
32767         to pex_one and exit.
32768
32769 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
32770
32771         PR target/29141
32772         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
32773         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
32774         variant for devices with 3-byte PC.
32775         (__tablejump_elpm__): New.
32776
32777 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
32778
32779         PR c/32041
32780         * c-parser.c (c_parser_postfix_expression): Allow `->' in
32781         offsetof member-designator, handle it as `[0].'.
32782
32783 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32784
32785         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
32786         function when not using named sections on targets with named sections
32787         if branch distance is less than 262132.
32788
32789 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
32790
32791         * combine.c (combine_instructions):  Recompute
32792         optimize_this_for_speed_p  for each BB in the main combine loop.
32793
32794 2009-01-12  Tomas Bily  <tbily@suse.cz>
32795
32796         PR middlend/38385
32797         * tree-loop-distribution.c (prop_phis): New function.
32798         (generate_builtin): Call prop_phis.
32799
32800 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
32801
32802         PR tree-optimization/38807
32803         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
32804         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
32805
32806 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
32807
32808         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
32809         subreg of op0 to the original op0.
32810
32811 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
32812
32813         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
32814
32815 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
32816
32817         PR debug/7055
32818         * mips-tfile.c (parse_def): Fix parsing of def strings
32819         starting with digits.
32820
32821 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
32822
32823         PR target/38695
32824         * config/arm/arm.c (arm_is_long_call_p): Don't call
32825         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
32826
32827 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
32828
32829         * regrename.c (regrename_optimize): Fix dumping.
32830         (find_oldest_value_reg): Preserve REG_POINTER.
32831         (copy_hardreg_forward_1): Likewise.
32832
32833 2009-01-09  Diego Novillo  <dnovillo@google.com>
32834
32835         * gimple.h (struct gimple_statement_base) <uid>: Document
32836         the restrictions on its use.
32837         (gimple_uid): Tidy.
32838         (gimple_set_uid): Tidy.
32839
32840 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
32841
32842         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
32843         zero guard even if align_bytes != 0 and count is smaller than
32844         size_needed.
32845
32846 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
32847
32848         PR rtl-optimization/38495
32849         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
32850         (add_range_and_copies_from_move_list): Print all added ranges.
32851         Add ranges to memory optimized destination.
32852
32853 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
32854
32855         PR target/38686
32856         PR target/38708
32857         * config/i386/i386.c (override_options): Reject
32858         -mstringop-strategy=rep_8byte with -m32.
32859         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
32860         to 1.  Do count comparison against epilogue_size_needed at compile
32861         time even when count_exp was constant forced into register.  For
32862         size_needed don't jump to epilogue, instead just avoid aligning
32863         and invoke the body algorithm.  If need_zero_guard, add zero guard
32864         even if count is non-zero, but smaller than size_needed + number of
32865         bytes that could be stored for alignment.
32866         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
32867         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
32868         but smaller than size_needed + number of bytes that could be stored
32869         for alignment.  Compare size_needed with epilogue_size_needed instead
32870         of desired_align - align, don't adjust size_needed, pass
32871         epilogue_size_needed to the epilogue expanders.
32872
32873         PR c/35742
32874         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
32875
32876 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32877
32878         * pa.c (last_address): Change to unsigned.
32879         (update_total_code_bytes): Change argument to unsigned.  Don't
32880         check if insn addresses are set.
32881         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
32882         addresses are not set.
32883         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
32884
32885 2009-01-09  Nick Clifton  <nickc@redhat.com>
32886
32887         * config/sh/symbian.c: Replace uses of DECL_INLINE with
32888         DECL_DECLARED_INLINE_P.
32889
32890 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
32891
32892         PR middle-end/38347
32893         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
32894         GET_MODE (op0) in operand_subword_force calls.
32895
32896         PR middle-end/38771
32897         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
32898         fold_convert arg0 operands to TREE_TYPE (op0) first.
32899
32900 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
32901
32902         * params.def (ira-max-conflict-table-size): Decrease default value
32903         to 1000.
32904
32905 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
32906
32907         PR tree-optimization/37031
32908         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
32909         on parameter_set.
32910         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
32911         allocate it using gc instead of heap, use VEC_quick_push instead of
32912         VEC_safe_push.
32913         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
32914         instead of heap, use VEC_quick_push instead of VEC_safe_push.
32915         * tree-data-ref.h (struct access_matrix): Change matrix to gc
32916         allocated vector from heap allocated.
32917         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
32918         * tree-loop-linear.c (linear_transform_loops): Allocate nest
32919         vector only after perfect_loop_nest_depth call.
32920
32921 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
32922             Jan Sjodin  <jan.sjodin@amd.com>
32923
32924         PR tree-optimization/38559
32925         * graphite.c (debug_value, copy_constraint,
32926         swap_constraint_variables, scale_constraint_variable, ): New.
32927         (get_lower_bound, get_upper_bound): Removed.
32928         (graphite_trans_bb_strip_mine): Clean up this code that works
32929         only for constant number of iterations.  Fully copy upper and
32930         lower bound constraints, not only the constant part of them.
32931         * graphite.h (debug_value): Declared.
32932
32933 2009-01-08  Ira Rosen  <irar@il.ibm.com>
32934
32935         PR tree-optimization/37194
32936         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
32937         Don't add the cost of cost model guard in prologue to scalar
32938         outside cost in case of known number of iterations.
32939
32940 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
32941             Alan Modra  <amodra@bigpond.net.au>
32942
32943         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
32944         non-word-aligned REG+CONST addressing.
32945
32946 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
32947
32948         PR target/38706
32949         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
32950         free_after_compilation when outputting a thunk.
32951         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
32952         Do not call free_after_compilation here.
32953
32954 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
32955
32956         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
32957         (ix86_valid_target_attribute_inner_p): Ditto.
32958
32959 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
32960
32961         PR tree-optimization/38492
32962         PR tree-optimization/38498
32963         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
32964         * tree-chrec.h (scev_is_linear_expression): Declared.
32965         * graphite.c (graphite_cannot_represent_loop_niter): New.
32966         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
32967         (graphite_loop_normal_form): Use gcc_assert.
32968         (scan_tree_for_params): Use CASE_CONVERT.
32969         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
32970         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
32971         Use gcc_assert.  Discard scops that contain unhandled cases.
32972         (build_scop_conditions): Return a boolean status for unhandled cases.
32973         (strip_mine_profitable_p): Print the loop number, not its depth.
32974         (is_interchange_valid): Pass the depth of the loop nest, don't
32975         recompute it wrongly.
32976         (graphite_trans_bb_block): Same.
32977         (graphite_trans_bb_block): Print tentative of loop blocking.
32978         (graphite_trans_scop_block): Do not print that the loop has been
32979         blocked.
32980         (graphite_transform_loops): Do not handle scops that contain condition
32981         scalar phi nodes.
32982
32983 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
32984
32985         AVX Programming Reference (December, 2008)
32986         * config/i386/avxintrin.h (_mm256_stream_si256): New.
32987         (_mm256_stream_pd): Likewise.
32988         (_mm256_stream_ps): Likewise.
32989
32990         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
32991         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
32992         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
32993         (bdesc_special_args): Add __builtin_ia32_movntdq256,
32994         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
32995         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
32996         (ix86_expand_special_args_builtin): Likewise.
32997
32998         * config/i386/sse.md (AVXMODEDI): New.
32999         (avx_movnt<mode>): Likewise.
33000         (avx_movnt<mode>): Likewise.
33001         (<sse>_movnt<mode>): Remove AVX support.
33002         (sse2_movntv2di): Likewise.
33003
33004 2009-01-07  Richard Guenther  <rguenther@suse.de>
33005
33006         PR middle-end/38751
33007         * fold-const.c (extract_muldiv): Remove obsolete comment.
33008         (fold_plusminus_mult_expr): Undo MINUS_EXPR
33009         to PLUS_EXPR canonicalization for the canonicalization.
33010
33011 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
33012
33013         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
33014         hosted cross-compilers generating less efficient code.
33015
33016 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
33017
33018         * function.h (rtl_data): Add a dbr_scheduled_p field.
33019         * reorg.c (dbr_schedule): Set it.
33020         (gate_handle_delay_slots): Check it.
33021         * config/mips/mips.c (mips_base_delayed_branch): Delete.
33022         (mips_reorg): Check flag_delayed_branch instead of
33023         mips_base_delayed_branch.
33024         (mips_override_options): Don't set mips_base_delayed_branch
33025         or flag_delayed_branch.
33026
33027 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
33028
33029         PR rtl-optimization/38426.
33030         * ira.c (ira): Set current_function_is_leaf earlier.
33031
33032 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
33033
33034         PR rtl-optimization/38722
33035         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
33036         too early, only set a flag and modify after last possible
33037         undo_all point.
33038
33039 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
33040
33041         PR c/34252
33042         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
33043         * real.c (decimal_single_format): Correct values of emin and emax.
33044         (decimal_double_format): Ditto.
33045         (decimal_quad_format): Ditto.
33046         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
33047         computation of DECnn_MIN and DECnn_MAX for corrected values of
33048         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
33049         __DECnn_MIN__, and adjust its computation for the corrected value
33050         of emin.
33051
33052 2009-01-06  Jan Hubicka  <jh@suse.cz>
33053
33054         PR target/38744
33055         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
33056
33057 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
33058
33059         * doc/contrib.texi (Contributors): Slightly adjust the end note.
33060         Add Robert Clark to the list of testers.
33061
33062 2009-01-06  Jan Hubicka  <jh@suse.cz>
33063             Kai Tietz  <kai.tietz@onevision.com>
33064
33065         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
33066         * config/i386/i386.c (ix86_expand_call): Add clobbers.
33067
33068 2009-01-06  Jan Hubicka  <jh@suse.cz>
33069             Kai Tietz  <kai.tietz@onevision.com>
33070
33071         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
33072         for w64 ABI.
33073         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
33074         (ix86_nsaved_regs): Count only general purpose regs.
33075         (ix86_nsaved_sseregs): New.
33076         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
33077         to 16 for w64; compute padding and size of sse reg save area.
33078         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
33079         general purpose regs.
33080         (ix86_emit_save_sse_regs_using_mov): New.
33081         (ix86_expand_prologue): Save SSE regs if needed.
33082         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
33083         (ix86_emit_restore_sse_regs_using_mov): New.
33084         (ix86_expand_epilogue): Save SSE regs if needed.
33085
33086 2009-01-06  Jan Hubicka  <jh@suse.cz>
33087             Kai Tietz  <kai.tietz@onevision.com>
33088
33089         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
33090         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
33091         functions when accumulate outgoing args is off.
33092
33093 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
33094
33095         PR bootstrap/38742
33096         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
33097         before using pseudos_have_intersected_live_ranges_p.
33098
33099         * ira-int.h (ira_assert): Always define.
33100
33101 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
33102
33103         AVX Programming Reference (December, 2008)
33104         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
33105         (_mm256_permute2_pd): Likewise.
33106         (_mm_permute2_ps): Likewise.
33107         (_mm256_permute2_ps): Likewise.
33108         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
33109         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
33110
33111         * config/i386/i386.c (ix86_builtins): Remove
33112         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
33113         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
33114         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
33115         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
33116         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
33117         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
33118         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
33119         __builtin_ia32_vpermil2ps256.
33120         (ix86_init_mmx_sse_builtins): Updated.
33121         (ix86_expand_args_builtin): Likewise.
33122
33123 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33124
33125         * pa.c (output_call): Relocate non-jump insns in the delay slot of
33126         long absolute calls when generating PA 2.0 code.
33127
33128 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
33129
33130         PR rtl-optimization/38583
33131         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
33132
33133         * params.def (ira-max-conflict-table-size): New.
33134
33135         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
33136
33137         * ira.h (ira_conflicts_p): New external definition.
33138
33139         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
33140         table.  Report this.  Return result of building.
33141         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
33142         building conflict table.
33143
33144         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
33145         (ira_color): Use ira_conflicts_p.
33146
33147         * global.c: Include ira.h.
33148         (pseudo_for_reload_consideration_p, build_insn_chain): Use
33149         ira_conflicts_p.
33150
33151         * Makefile.in (global.o): Add ira.h.
33152
33153         * ira-build.c (mark_all_loops_for_removal,
33154         propagate_some_info_from_allocno): New.
33155         (remove_unnecessary_allocnos): Call
33156         propagate_some_info_from_allocno.
33157         (remove_low_level_allocnos): New.
33158         (remove_unnecessary_regions): Add parameter.  Call
33159         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
33160         parameter to remove_unnecessary_regions.
33161         (ira_build): Remove all regions but root if the conflict table was
33162         not built.  Update conflict hard regs for allocnos crossing calls.
33163
33164         * ira.c (ira_conflicts_p): New global.
33165         (ira): Define and use ira_conflicts_p.
33166
33167         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
33168         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
33169         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
33170
33171 2009-01-06  Ben Elliston  <bje@au.ibm.com>
33172
33173         * gengtype-lex.l (YY_NO_INPUT): Define.
33174
33175 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
33176
33177         PR c/34911
33178         * c-common.c (handle_vector_size_attribute): Also reject
33179         BOOLEAN_TYPE types.
33180
33181 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
33182
33183         PR tree-optimization/38492
33184         * graphite.c (rename_map_elt, debug_rename_elt,
33185         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
33186         rename_map_elt_info, eq_rename_map_elts,
33187         get_new_name_from_old_name, bb_in_sese_p): Moved around.
33188         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
33189         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
33190         (sese_build_livein_liveouts): New.
33191         (new_sese, free_sese): New.
33192         (new_scop): Call new_sese.
33193         (free_scop): Call free_sese.
33194         (rename_variables_from_edge, rename_phis_end_scop): Removed.
33195         (register_old_new_names): Renamed register_old_and_new_names.
33196         (register_scop_liveout_renames, add_loop_exit_phis,
33197         insert_loop_close_phis, struct igp,
33198         default_liveout_before_guard, add_guard_exit_phis,
33199         insert_guard_phis, copy_renames): New.
33200         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
33201         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
33202         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
33203         (scop_adjust_phis_for_liveouts): New.
33204         (gloog): Call scop_adjust_phis_for_liveouts.
33205
33206         * graphite.h (struct sese): Documented.  Added fields liveout,
33207         num_ver and livein.
33208         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
33209         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
33210         (struct scop): Added field liveout_renames.
33211         (SCOP_LIVEOUT_RENAMES): New.
33212
33213 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
33214
33215         PR tree-optimization/38510
33216         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
33217         (translate_clast): Call recompute_all_dominators before
33218         graphite_verify.
33219         (gloog): Call recompute_all_dominators before graphite_verify.
33220
33221 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
33222             Jan Sjodin  <jan.sjodin@amd.com>
33223
33224         PR tree-optimization/38500
33225         * graphite.c (create_sese_edges): Call fix_loop_structure after
33226         splitting blocks.
33227
33228 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
33229
33230         * config.gcc: Add m32r*-*-rtems*.
33231         * config/m32r/rtems.h: New file.
33232
33233 2009-01-05  Ben Elliston  <bje@au.ibm.com>
33234
33235         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
33236         (.po.pox): Likewise.
33237         (po/gcc.pot): Likewise.
33238
33239 2009-01-04  David S. Miller  <davem@davemloft.net>
33240
33241         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
33242         (STARTING_FRAME_OFFSET): Always set to zero.
33243
33244 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
33245
33246         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
33247         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
33248         fixed-point types, and vectors of the same.
33249
33250 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
33251
33252         * config/mips/sync.md (*mb_barrier): Rename to...
33253         (*memory_barrier): ...this.
33254
33255 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
33256
33257         * doc/extend.texi (Function Attributes): Move @cindex after @item
33258         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
33259         and put in alphabetical order. Fix 'target' name and put in order.
33260         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
33261         typos.
33262
33263 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
33264
33265         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
33266         (memory_barrier): Expand as unspec instead of unspec_volatile.
33267         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33268         (*memory_barrier): Define as unspec instead of unspec_volatile.
33269         Use (match_dup 0) as input operand.
33270
33271         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
33272         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
33273         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
33274         scratch register.  Remove operand 1.
33275         (*stbar): Define as unspec instead of unspec_volatile.
33276         Use (match_dup 0) as input operand, remove (const_int 8).
33277         (*membar): Define as unspec instead of unspec_volatile.
33278         Use (match_dup 0) as input operand, remove input operand 2.
33279
33280         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
33281         (memory_barrier): Expand as unspec instead of unspec_volatile.
33282         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33283         (*memory_barrier): Define as unspec instead of unspec_volatile.
33284         Use (match_dup 0) as input operand.
33285
33286         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
33287         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33288         Set volatile flag on operand 0.
33289         (*memory_barrier): New insn pattern.
33290
33291         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
33292         insn operands.
33293         (*memory_barrier): Use (match_dup 0) as input operand.
33294
33295         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
33296         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33297         Set volatile flag on operand 0.
33298         (*mb_internal): New insn pattern.
33299
33300         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
33301
33302 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
33303
33304         PR middle-end/38586
33305         * function.c (struct temp_slot): Move to the section of the file
33306         that deals with temp slots.  Remove field 'address'.
33307         (temp_slot_address_table): New hash table of address -> temp slot.
33308         (struct temp_slot_address_entry): New struct, items for the table.
33309         (temp_slot_address_compute_hash, temp_slot_address_hash,
33310         temp_slot_address_eq, insert_temp_slot_address): Support functions
33311         for the new table.
33312         (find_temp_slot_from_address): Rewrite to use the new hash table.
33313         (remove_unused_temp_slot_addresses): Remove addresses of temp
33314         slots that have been made available.
33315         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
33316         worker function for remove_unused_temp_slot_addresses.
33317         (assign_stack_temp_for_type): Don't clear the temp slot address list.
33318         Add the temp slot address to the address -> temp slot map.
33319         (update_temp_slot_address): Update via insert_temp_slot_address.
33320         (free_temp_slots): Call remove_unused_temp_slot_addresses.
33321         (pop_temp_slots): Likewise.
33322         (init_temp_slots): Allocate the address -> temp slot map, or empty
33323         the map if it is already allocated.
33324         (prepare_function_start): Initialize temp slot processing.
33325
33326 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
33327
33328         PR middle-end/38584
33329         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
33330         Calculate the size of all stack vars assuming no packing of stack
33331         vars will happen, replacing a quadratic algorithm with a linear one.
33332
33333 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
33334
33335         PR target/38707
33336         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
33337         can't be used.
33338
33339 2009-01-03  Diego Novillo  <dnovillo@google.com>
33340
33341         * doc/contrib.texi: Update contributions.
33342
33343 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
33344
33345         PR c++/38705
33346         * builtins.c (fold_builtin_memory_op): Give up if either operand
33347         is volatile.  Set srctype or desttype to non-qualified version
33348         of the other type.
33349
33350         PR c/38700
33351         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
33352         and FUNCTION_DECLs.
33353
33354 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
33355
33356         PR rtl-optimization/35805
33357         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
33358         problem if fast dce is able to remove any instructions.
33359         * dce.c (dce_process_block): Fix dump message.
33360
33361 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
33362
33363         PR 33649
33364         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
33365
33366 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
33367
33368         PR middle-end/38690
33369         * tree-flow.h (op_code_prio, op_prio): New prototypes.
33370         * tree-pretty-print.c (op_code_prio): New function.
33371         (op_prio): No longer static.  Use op_code_prio.
33372         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
33373         Use op_prio and op_code_prio to determine if () should be
33374         printed around operand(s) or not.
33375
33376         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
33377         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
33378         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
33379         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
33380         pp_character instead of pp_string for single letter printing.
33381
33382 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
33383
33384         * doc/extend.texi: Fix '#pragma GCC option' typo.
33385
33386 2009-01-02  Richard Guenther  <rguenther@suse.de>
33387
33388         * doc/install.texi (--enable-checking): Mention different
33389         default for stage1.
33390         (--enable-stage1-checking): Document.
33391
33392 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
33393
33394         PR middle-end/30142
33395         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
33396         case to be an error.
33397
33398 2009-01-02  Ben Elliston  <bje@au.ibm.com>
33399
33400         * config/fp-bit.h (pack_d): Constify argument.
33401         * config/fp-bit.c (makenan): Constify return type. Remove casts.
33402         (isnan): Constify argument.
33403         (isinf): Likewise.
33404         (iszero): Likewise.
33405         (pack_d): Likewise.
33406         (_fpadd_parts): Constify return type.
33407         (_fpmul_parts): Likewise.
33408         (_fpdiv_parts): Likewise.
33409
33410 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
33411
33412         PR c/36489
33413         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
33414         warn about overwriting initializer with side-effects or
33415         -Woverride-init if !IMPLICIT.
33416         (output_init_element): Likewise.  Pass IMPLICIT down to
33417         add_pending_init.
33418         (process_init_element): Add IMPLICIT argument.  Pass it down
33419         to output_init_element.
33420         (push_init_element, pop_init_level, set_designator): Adjust
33421         process_init_element callers.
33422         (set_nonincremental_init, set_nonincremental_init_from_string):
33423         Adjust add_pending_init callers.
33424         (output_pending_init_elements): Adjust output_init_element callers.
33425         * c-tree.h (process_init_element): Adjust prototype.
33426         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
33427         process_init_element callers.
33428
33429 \f
33430 Copyright (C) 2009 Free Software Foundation, Inc.
33431
33432 Copying and distribution of this file, with or without modification,
33433 are permitted in any medium without royalty provided the copyright
33434 notice and this notice are preserved.