gcc/ChangeLog

   1 2009-11-28  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * matrix-reorg.c (analyze_matrix_allocation_site): Remove unused
   4         malloc_fname variable.
   5         (check_allocation_function): Remove unused gsi and bb_level_0
   6         variables.
   7         (transform_access_sites): Remove unused d_type_size and d_type_size_k
   8         variables.
   9         * omega.c (resurrect_subs): Remove unused n variable.
  10         (omega_solve_geq): Remove unused neweqns variable.
  11         * lto-streamer-in.c (lto_read_tree): Remove unused end_marker variable.
  12         * tree-inline.c (declare_return_variable): Remove USE_P argument,
  13         return use instead of var.
  14         (remap_decl, remap_block): Remove unused fn variable.
  15         (expand_call_inline): Remove unused retvar variable, adjust
  16         declare_return_variable caller.
  17         (optimize_inline_calls): Remove unused prev_fn variable.
  18         * tree-vect-slp.c (vect_analyze_slp_instance): Remove unused ncopies
  19         variable.
  20         (vect_create_mask_and_perm): Remove unused group_size and dr_chain_size
  21         variables.
  22         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle MINUS_EXPR
  23         properly.
  24         * tree-vect-loop.c (vect_analyze_loop_form): Remove unused backedge
  25         variable.
  26         (vect_create_epilog_for_reduction): Remove unused bytesize variable.
  27         * omp-low.c (workshare_safe_to_combine_p): Remove par_entry_bb
  28         parameter.  Remove unused par_stmt variable.
  29         (determine_parallel_type): Adjust workshare_safe_to_combine_p caller.
  30         (expand_omp_sections): Remove unused l1 variable.
  31         (lower_omp_for): Remove unused ilist variable.
  32         * tree-loop-distribution.c (mark_nodes_having_upstream_mem_writes):
  33         Remove unused has_upstream_mem_write_p variable.
  34         * recog.c (decode_asm_operands): Remove unused noperands variable.
  35         * tree-ssa-alias.c (refs_may_alias_p_1): Remove unused size1 and
  36         size2 variable.
  37         * libgcov.c (__gcov_merge_delta): Remove unused last variable.
  38         * tree-call-cdce.c (gen_conditions_for_pow_int_base): Remove unused
  39         base_nm variable.
  40         (gen_conditions_for_pow): Remove unused ec variable.
  41         * tree-ssa-sccvn.c (vn_reference_lookup_3): Remove unused size
  42         variable.
  43         * ipa-struct-reorg.c (program_redefines_malloc_p): Remove unused
  44         fndecl variable.
  45         * tree-ssa-sink.c (statement_sink_location): Remove unused code
  46         variable.
  47         * regmove.c (copy_src_to_dest): Remove unused insn_uid and move_uid
  48         variables.
  49         * tree-complex.c (create_one_component_var): Remove unused inner_type
  50         variable.
  51         * calls.c (emit_call_1): Don't GEN_INT (struct_value_size)
  52         unnecessarily when GEN_*CALL omits that argument.
  53         * regrename.c (regrename_optimize): Remove unused regs_seen variable.
  54         (build_def_use): Remove unused icode variable.
  55         * ipa-pure-const.c (check_call): Remove unused callee and avail
  56         variables.
  57         * tree-dfa.c (add_referenced_var): Remove unused v_ann variable.
  58         * tree-vect-patterns.c (vect_recog_pow_pattern): Remove unused type
  59         variable.
  60         (vect_pattern_recog): Remove unused stmt variable.
  61         * sel-sched-ir.c (make_regions_from_the_rest): Remove unused
  62         new_regions variable.
  63         * postreload.c (reload_cse_simplify_operands): Remove unused mode
  64         variable.
  65         * tree-parloops.c (create_call_for_reduction_1): Remove unused
  66         addr_type variable.
  67         (create_parallel_loop): Remove unused res variable.
  68         (gen_parallel_loop): Remove unused nloop variable.
  69         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
  70         * value-prof.c (gimple_mod_subtract_transform,
  71         gimple_stringops_transform): Remove unused value variable.
  72         (gimple_stringops_values_to_profile): Remove unused fcode variable.
  73         * tree-vrp.c (register_new_assert_for): Remove unused found variable.
  74         (vrp_visit_switch_stmt): Remove unused n variable.
  75         * tree-vect-stmts.c (vectorizable_conversion): Remove unused expr
  76         variable.
  77         (vectorizable_operation): Remove unused shift_p variable.
  78         (vectorizable_store): Remove unused first_stmt_vinfo variable.
  79         * tree-ssa-operands.c (add_stmt_operand): Remove unused v_ann variable.
  80         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove unused bb
  81         variable.
  82         (vect_permute_store_chain): Remove unused scalar_dest variable.
  83         (vect_supportable_dr_alignment): Remove unused invariant_in_outerloop
  84         variable.
  85         * tree-ssa-threadupdate.c (thread_single_edge): Remove unused
  86         local_info variable.
  87         * tree-optimize.c (tree_rest_of_compilation): Remove unused node
  88         variable.
  89         * optabs.c (expand_binop): Remove unused equiv_value variable.
  90         (emit_libcall_block): Remove unused prev variable.
  91         (init_optabs): Remove unused int_mode variable.
  92         * tree-ssa-structalias.c (scc_visit): Remove unused have_ref_node
  93         variable.
  94         (do_structure_copy): Remove unused lhsbase and rhsbase variables.
  95         (find_func_aliases): Remove unused rhstype variable.
  96         (ipa_pta_execute): Remove unused varid variable.
  97
  98 2009-11-28  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
  99
 100         * config/avr/avr.h (ASM_OUTPUT_EXTERNAL): Add.
 101
 102 2009-11-28  David Binderman  <dcb314@hotmail.com>
 103
 104         * ira-color.c (put_allocno_into_bucket): Remove set but not used
 105         local variable hard_regs_num.
 106         * ira-lives.c (process_single_reg_class_operands): Remove cover_class.
 107         * loop-unswitch.c (unswitch_loop): Remove zero_bitmap.
 108         * lower-subreg.c (decompose_multiword_subregs): Remove next.
 109
 110 2009-11-27  Martin Jambor  <mjambor@suse.cz>
 111
 112         PR middle-end/42006
 113         * tree-sra.c (get_replaced_param_substitute): Call create_tmp_var
 114         instead of create_tmp_var.  Set DECL_GIMPLE_REG_P to one manually
 115         for vector and complex types.
 116         (get_adjustment_for_base): Describe return value in the comment.
 117
 118 2009-11-27  Nick Clifton  <nickc@redhat.com>
 119
 120         * longlong.h (count_leading_zeros): Define macro for stormy16
 121         target.
 122         (COUNT_LEADING_ZEROS_0): Likewise.
 123         * config/stormy16/stormy16-lib2.c: Arrange for separate
 124         compilation of each function.
 125         (__ffshi2): New function.
 126         (__stormy16_count_leading_zeros): New function.
 127         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Use stub files to
 128         compile each function into its own object file.
 129         (stormy16-lib2-ashlsi3.c): New stub file.
 130         (stormy16-lib2-ashrsi3.c): New stub file.
 131         (stormy16-lib2-clzhi2.c): New stub file.
 132         (stormy16-lib2-count-leading-zeros.c): New stub file.
 133         (stormy16-lib2-ctzhi2.c): New stub file.
 134         (stormy16-lib2-divsi3.c): New stub file.
 135         (stormy16-lib2-ffshi2.c): New stub file.
 136         (stormy16-lib2-lshrsi3.c): New stub file.
 137         (stormy16-lib2-modsi3.c): New stub file.
 138         (stormy16-lib2-parityhi2.c): New stub file.
 139         (stormy16-lib2-popcounthi2.c): New stub file.
 140         (stormy16-lib2-udivmodsi4.c): New stub file.
 141         (stormy16-lib2-udivsi3.c): New stub file.
 142         (stormy16-lib2-umodsi3.c): New stub file.
 143
 144 2009-11-27  Richard Henderson  <rth@redhat.com>
 145
 146         * config/i386/sse.md (vec_interleave_highv16qi,
 147         vec_interleave_lowv16qi, vec_interleave_highv8hi,
 148         vec_interleave_lowv8hi, vec_interleave_highv4si,
 149         vec_interleave_lowv4si, vec_interleave_highv2di,
 150         vec_interleave_lowv2di, vec_interleave_highv4sf,
 151         vec_interleave_lowv4sf, vec_interleave_highv2df,
 152         vec_interleave_lowv2df): Remove expanders.
 153         (sse_unpcklps, sse_unpckhps, sse2_unpckhpd_exp, sse2_unpcklpd_exp,
 154         sse2_punpckhqdq, sse2_punpcklqdq, sse2_punpckhbw, sse2_punpcklbw,
 155         sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq):
 156         Rename to their proper vec_interleave equivalent.  Update all users
 157         to the new name.
 158         * config/i386/i386.c, config/i386/i386.md: Update all users.
 159
 160 2009-11-27  Michael Matz  <matz@suse.de>
 161
 162         PR rtl-optimization/42084
 163         * cfgexpand.c (maybe_cleanup_end_of_block): Add new parameter,
 164         use it to stop walking.
 165         (expand_gimple_cond): Adjust call to above.
 166
 167 2009-11-27  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 168
 169         PR target/41810
 170         * gthr-solaris.h (__gthread_mutex_destroy): Remove UNUSED.
 171         [SUPPORTS_WEAK && GTHREAD_USE_WEAK] (__gthread_active_p): Use
 172         __extension__ to allow cast from function pointer to object
 173         pointer in C++.
 174         * doc/install.texi (--enable-threads): Clarify use of Solaris
 175         threads.
 176
 177 2009-11-27  Steven Bosscher  <steven@gcc.gnu.org>
 178
 179         * config/ia64/itanium1.md: Remove.
 180         * config/ia64/ia64.md: Do not include it.
 181         * config/ia64/ia64.c (ia64_handle_option): Remove "itanium",
 182         "itanium1", and "merced" from the processor alias table.
 183         (clocks, add_cycles): Remove global variables.
 184         (ia64_sched_reorder2): Don't set/use them.
 185         (ia64_dfa_new_cycle, ia64_h_i_d_extended, ia64_reorg): Likewise.
 186         (bundling): Likewise. Remove extra pass for MMMUL/MMSHF.
 187
 188 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 189
 190         * config/s390/s390.c (last_scheduled_insn): New variable.
 191         (s390_fpload_toreg, s390_z10_prevent_earlyload_conflicts): New
 192         functions.
 193         (s390_sched_reorder, s390_sched_variable_issue): New functions.
 194         (TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_REORDER): Target hooks
 195         defined.
 196
 197 2009-11-27  Michael Matz  <matz@suse.de>
 198
 199         PR c++/41906
 200         * tree-eh.c (lower_catch): Stop after expanding a catch-all.
 201
 202 2009-11-27  Richard Guenther  <rguenther@suse.de>
 203
 204         * timevar.def (TV_LOOP_MOVE_INVARIANTS, TV_LOOP_UNSWITCH,
 205         TV_LOOP_UNROLL, TV_LOOP_DOLOOP): New timevars.
 206         * loop-init.c (pass_rtl_move_loop_invariants): Use
 207         TV_LOOP_MOVE_INVARIANTS.
 208         (pass_rtl_unswitch): Use TV_LOOP_UNSWITCH.
 209         (pass_rtl_unroll_and_peel): Use TV_LOOP_UNROLL.
 210         (pass_rtl_doloop): Use TV_LOOP_DOLOOP.
 211
 212 2009-11-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 213
 214         * emit-rtl.c (next_active_insn, prev_active_insn): Correct
 215         comment.
 216
 217 2009-11-27  Jakub Jelinek  <jakub@redhat.com>
 218
 219         * config/i386/i386.c (ix86_emit_restore_sse_regs_using_mov): Remove
 220         unused insn variable.
 221         * genemit.c (output_peephole2_scratches): Only declare and initialize
 222         _regs_allocated if it will be ever used.
 223         * cfgloopmanip.c (create_empty_if_region_on_edge): Remove unused
 224         succ_bb variable.
 225         (create_empty_loop_on_edge): Remove unused freq and cnt variables.
 226         * unwind-c.c (PERSONALITY_FUNCTION): Remove unused action_record
 227         variable.
 228
 229         * opts.c (decode_options): If optimize is bigger than 255,
 230         set it to 255.
 231
 232 2009-11-26  Richard Henderson  <rth@redhat.com>
 233
 234         * config/i386/sse.md (mulv16qi3): Change back from an expander
 235         to an insn-and-split.
 236         (mulv4si): Mention AVX not XOP for AVX exception.
 237         (*sse2_mulv4si3): Likewise.
 238         (mulv2di3): Use vmulld not vpmacsdd for XOP expansion.  Tidy.
 239
 240 2009-11-26  Bernd Schmidt  <bernd.schmidt@analog.com>
 241
 242         * cfgexpand (n_stack_vars_conflict): New static variable.
 243         (triangular_index): Reduce likelyhood of overflow by performing
 244         the division before the multiplication.
 245         (resize_stack_vars_conflict): Call fatal_error if overflow
 246         occurred in triangular_index.  Update n_stack_vars_conflict.
 247
 248         PR rtl-opt/38582
 249         * regrename.c (struct du_chain): Remove member earlyclobber.
 250         (scan_rtx_reg): Don't set it.  Remove argument earlyclobber,
 251         all callers changed.
 252         (scan_rtx): Remove argument earlyclobber, all callers changed.
 253         (hide_operands, restore_operands, record_out_operands): New functions,
 254         broken out of build_def_use.
 255         (build_def_use): Call them as necessary.
 256
 257         * regrename.c (struct du_head): New members id, conflicts,
 258         hard_conflicts and cannot_rename.
 259         (enum scan_actions): Remove terminate_all_read and
 260         terminate_overlapping_read; add mark_all_read.
 261         (scan_actions_name): Likewise.
 262         (du_head_p): New typedef.  Define a vector type for it.
 263         (id_to_chain): New static variable.
 264         (note_sets, clear_dead_regs): Delete functions.
 265         (free_chain_data): New function.
 266         (merge_overlapping_regs): Simply walk the conflicts bitmap.
 267         Remove argument B, all callers changed.
 268         (regrename_optimize): Allocate id_to_chain.  Ignore chains that have
 269         the cannot_rename bit set.  Update regno and nregs of a renamed chain.
 270         Call free_chain_data when done.
 271         (do_replace): Remove death notes when the renamed reg is set in the
 272         last insn; add them if not.
 273         (mark_conflict, note_sets_clobbers): New static function.
 274         (fail_current_block, current_id, open_chains_set, live_hard_regs): New
 275         static variables.
 276         (scan_rtx_reg): Keep track of conflicts between chains, and between
 277         chains and hard regs.  Don't terminate chains when we find a read we
 278         can't handle, mark it unrenameable instead.  For terminate_write,
 279         terminate chains that are written with an exact match or a superset
 280         of registers.  Set fail_current_block if multi-word lifetimes are too
 281         complex to handle.
 282         (scan_rtx_address): Use mark_all_read instead of terminate_all_read.
 283         (build_def_use): Initialize current_id, live_chains and live_hard_regs;
 284         free memory for them when done.
 285         Rearrange the steps so that earlyclobbers are noted before reads
 286         are processed.  Add new steps to keep track of hard register lifetimes
 287         outside insn operands.
 288
 289 2009-11-26  Richard Guenther  <rguenther@suse.de>
 290
 291         * tree-ssa-dce.c (nr_walks): New variable.
 292         (mark_aliased_reaching_defs_necessary): Adjust oracle cut-off.
 293         (perform_tree_ssa_dce): Init nr_walks.
 294
 295 2009-11-26  Michael Matz  <matz@suse.de>
 296
 297         PR tree-optimization/41905
 298         * tree-eh.c (lower_eh_constructs_2): Don't add assignments
 299         below statements that can't fall thru.
 300
 301 2009-11-26  Michael Matz  <matz@suse.de>
 302
 303         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
 304         expand_builtin_sprintf): Remove.
 305         (expand_builtin): Don't call them.
 306
 307 2009-11-26  Richard Guenther  <rguenther@suse.de>
 308
 309         * tree-ssa-dce.c (perform_tree_ssa_dce): Allocate visited bitmap.
 310
 311 2009-11-26  Nick Clifton  <nickc@redhat.com>
 312
 313         * config/rx/rx.c (rx_expand_epilogue): Add checks for sibcalls
 314         being used incorrectly.
 315         (rx_function_ok_for_sibcall): New function.  Do not allow indirect
 316         sibcalls, or sibcalls from interrupt functions.
 317         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
 318         * config/rx/rx.md (sibcall): Convert to a define_expand.  Check
 319         for a MEM inside a MEM.
 320         (sibcall_value): Likewise.
 321         (sibcall_internal): New pattern containing old sibcall pattern.
 322         (sibcall_value_internal): Likewise.
 323
 324 2009-11-25  Richard Henderson  <rth@redhat.com>
 325
 326         * config/i386/i386-builtin-types.awk (DEF_VECTOR_TYPE): Allow an
 327         optional 3rd argument to define the mode.
 328         * config/i386/i386-builtin-types.def (UQI, UHI, USI, UDI): New.
 329         (V2UDI, V4USI, V8UHI, V16UQI): New.
 330         (V4SF_FTYPE_V4SF_V4SF_V4SI, V2UDI_FTYPE_V2UDI_V2UDI_V2UDI,
 331         V4USI_FTYPE_V4USI_V4USI_V4USI, V8UHI_FTYPE_V8UHI_V8UHI_V8UHI,
 332         V16UQI_FTYPE_V16UQI_V16UQI_V16UQI): New.
 333         * config/i386/i386-modes.def: Rearrange for double-wide AVX.
 334         * config/i386/i386-protos.h (ix86_expand_vec_extract_even_odd): New.
 335         * config/i386/i386.c (IX86_BUILTIN_VEC_PERM_*): New.
 336         (bdesc_args): Add the builtin definitions to match.
 337         (ix86_expand_builtin): Expand them.
 338         (ix86_builtin_vectorization_cost): Rename from
 339         x86_builtin_vectorization_cost.
 340         (ix86_vectorize_builtin_vec_perm, struct expand_vec_perm_d,
 341         doublesize_vector_mode, expand_vselect, expand_vselect_vconcat,
 342         expand_vec_perm_blend, expand_vec_perm_vpermil,
 343         expand_vec_perm_pshufb, expand_vec_perm_1,
 344         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_palignr,
 345         expand_vec_perm_interleave2, expand_vec_perm_pshufb2,
 346         expand_vec_perm_even_odd_1, expand_vec_perm_even_odd,
 347         ix86_expand_vec_perm_builtin_1, extract_vec_perm_cst,
 348         ix86_expand_vec_perm_builtin, ix86_vectorize_builtin_vec_perm_ok,
 349         ix86_expand_vec_extract_even_odd, TARGET_VECTORIZE_BUILTIN_VEC_PERM,
 350         TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
 351         * sse.md (SSEMODE_EO): New.
 352         (vec_extract_even<mode>): Use SSEMODE_EO and
 353         ix86_expand_vec_extract_even_odd.
 354         (vec_extract_odd<mode>): Likewise.
 355         (mulv16qi3, vec_pack_trunc_v8hi, vec_pack_trunc_v4si,
 356         vec_pack_trunc_v2di): Use ix86_expand_vec_extract_even_odd.
 357
 358 2009-11-25  Richard Henderson  <rth@redhat.com>
 359
 360         * target.h (targetm.vectorize.builtin_vec_perm_ok): New.
 361         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New.
 362         * hooks.h, hooks.c (hook_bool_tree_tree_true): New.
 363         * tree-vect-slp.c (vect_create_mask_and_perm): Don't create
 364         the vector constant here...
 365         (vect_transform_slp_perm_load): ... do it here instead.  Validate
 366         that the permutation vector is implementable by the target.
 367
 368 2009-11-25  Jakub Jelinek  <jakub@redhat.com>
 369
 370         * config/rs6000/sysv4.opt (mregnames): Change Var to rs6000_regnames.
 371         * config/rs6000/sysv4.h (TARGET_REGNAMES): Define.
 372
 373         * print-rtl.c (print_rtx): When printing newline, append
 374         print_rtx_head and indentation after the newline.
 375
 376         PR target/42165
 377         * config/i386/i386.c (print_operand): For 32-byte memory use
 378         YMMWORD in -masm=intel mode.  Use TBYTE instead of XWORD.
 379         * config/i386/i386.md (crc32modesuffix): Expand to nothing
 380         in -masm=intel mode.
 381         (sse4_2_crc32di): Print just crc32 instead of crc32q in
 382         -masm=intel mode.
 383         * config/i386/mmx.md (*mmx_pinsrw): Print correct size of
 384         memory operand in -masm=intel mode.
 385         * config/i386/sse.md (*avx_pinsr<ssevecsize>, *sse4_1_pinsrb,
 386         *sse2_pinsrw): Likewise.
 387         (sse_cvtss2siq, sse_cvtss2siq_2, sse_cvttss2siq): Don't print
 388         q suffix in -masm=intel mode.
 389
 390 2009-11-25  Eric Botcazou  <ebotcazou@adacore.com>
 391
 392         PR target/10127
 393         PR ada/20548
 394         PR middle-end/42004
 395         * dwarf2out.c (dwarf2out_args_size_adjust): Rename to...
 396         (dwarf2out_stack_adjust): ...this.  Do not adjust the arg size for
 397         ACCUMULATE_OUTGOING_ARGS targets.  Rename former version to...
 398         (dwarf2out_notice_stack_adjust): ...this.  Adjust for above renaming.
 399         (dwarf2out_frame_debug_expr): Revert previous change and adjust for
 400         above renaming.
 401         (dwarf2out_frame_debug): Add ??? comment.  Adjust for above renaming.
 402
 403 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
 404
 405         * config/i386/predicates.md (emms_operation): New predicate.
 406         (vzeroupper_operation): Ditto.
 407         (vzeroall_operation): Improve pattern recognition.
 408         * config/i386/sse.md (avx_vzeroupper_rex64): Remove insn pattern.
 409         (avx_vzeroupper): Change insn pattern to expander.
 410         (*avx_vzeroupper): New insn pattern.  Use vzeroupper_operation
 411         predicate.
 412         (*avx_vzeroall): Remove operands 1 and 2.
 413         * config/i386/mmx.md (mmx_emms): Change insn pattern to expander.
 414         (mmx_femms): Ditto.
 415         (*mmx_emms): New insn pattern.  Use emms_operation predicate.
 416         (*mmx_femms): Ditto.
 417         * config/i386/i386.c (enum ix86_builtins)
 418         <IX86_BUILTIN_VZEROUPPER_REX64>: Remove.
 419         (struct builtin_description) <CODE_FOR_avx_vzeroupper_rex64>:
 420         Remove initailization.
 421         <CODE_FOR_avx_vzeroupper>: Unconditionally initialize here.
 422
 423 2009-11-25  Paul Brook  <paul@codesourcery.com>
 424
 425         * config/arm/arm.md (consttable_4): Handle (high ...).
 426
 427 2009-11-25  Robert Nelson  <robert.nelson@digikey.com>
 428             Richard Earnshaw  <rearnsha@arm.com>
 429
 430         * arm.h (enum vfp_reg_type): Add VFP_NONE.
 431         * arm.c (all_fpus): Use it for floating point units that aren't based
 432         on the VFP architecture.
 433         (aapcs_vfp_is_call_or_return_candidate): Make base_mode a pointer to
 434         enum machine_mode.
 435
 436 2009-11-25  H.J. Lu  <hongjiu.lu@intel.com>
 437
 438         * alias.c: Remove trailing white spaces.
 439         * alloc-pool.c: Likewise.
 440         * alloc-pool.h: Likewise.
 441         * attribs.c: Likewise.
 442         * auto-inc-dec.c: Likewise.
 443         * basic-block.h: Likewise.
 444         * bb-reorder.c: Likewise.
 445         * bt-load.c: Likewise.
 446         * builtins.c: Likewise.
 447         * builtins.def: Likewise.
 448         * c-common.c: Likewise.
 449         * c-common.h: Likewise.
 450         * c-cppbuiltin.c: Likewise.
 451         * c-decl.c: Likewise.
 452         * c-format.c: Likewise.
 453         * c-lex.c: Likewise.
 454         * c-omp.c: Likewise.
 455         * c-opts.c: Likewise.
 456         * c-parser.c: Likewise.
 457         * c-pretty-print.c: Likewise.
 458         * c-tree.h: Likewise.
 459         * c-typeck.c: Likewise.
 460         * caller-save.c: Likewise.
 461         * calls.c: Likewise.
 462         * cfg.c: Likewise.
 463         * cfganal.c: Likewise.
 464         * cfgexpand.c: Likewise.
 465         * cfghooks.c: Likewise.
 466         * cfghooks.h: Likewise.
 467         * cfglayout.c: Likewise.
 468         * cfgloop.c: Likewise.
 469         * cfgloop.h: Likewise.
 470         * cfgloopmanip.c: Likewise.
 471         * cfgrtl.c: Likewise.
 472         * cgraph.c: Likewise.
 473         * cgraph.h: Likewise.
 474         * cgraphbuild.c: Likewise.
 475         * cgraphunit.c: Likewise.
 476         * cif-code.def: Likewise.
 477         * collect2.c: Likewise.
 478         * combine.c: Likewise.
 479         * convert.c: Likewise.
 480         * coverage.c: Likewise.
 481         * crtstuff.c: Likewise.
 482         * cse.c: Likewise.
 483         * cselib.c: Likewise.
 484         * dbgcnt.c: Likewise.
 485         * dbgcnt.def: Likewise.
 486         * dbgcnt.h: Likewise.
 487         * dbxout.c: Likewise.
 488         * dce.c: Likewise.
 489         * ddg.c: Likewise.
 490         * ddg.h: Likewise.
 491         * defaults.h: Likewise.
 492         * df-byte-scan.c: Likewise.
 493         * df-core.c: Likewise.
 494         * df-problems.c: Likewise.
 495         * df-scan.c: Likewise.
 496         * df.h: Likewise.
 497         * dfp.c: Likewise.
 498         * diagnostic.c: Likewise.
 499         * diagnostic.h: Likewise.
 500         * dominance.c: Likewise.
 501         * domwalk.c: Likewise.
 502         * double-int.c: Likewise.
 503         * double-int.h: Likewise.
 504         * dse.c: Likewise.
 505         * dwarf2asm.c: Likewise.
 506         * dwarf2asm.h: Likewise.
 507         * dwarf2out.c: Likewise.
 508         * ebitmap.c: Likewise.
 509         * ebitmap.h: Likewise.
 510         * emit-rtl.c: Likewise.
 511         * et-forest.c: Likewise.
 512         * except.c: Likewise.
 513         * except.h: Likewise.
 514         * expmed.c: Likewise.
 515         * expr.c: Likewise.
 516         * expr.h: Likewise.
 517         * final.c: Likewise.
 518         * flags.h: Likewise.
 519         * fold-const.c: Likewise.
 520         * function.c: Likewise.
 521         * function.h: Likewise.
 522         * fwprop.c: Likewise.
 523         * gcc.c: Likewise.
 524         * gcov-dump.c: Likewise.
 525         * gcov-io.c: Likewise.
 526         * gcov-io.h: Likewise.
 527         * gcov.c: Likewise.
 528         * gcse.c: Likewise.
 529         * genattr.c: Likewise.
 530         * genattrtab.c: Likewise.
 531         * genautomata.c: Likewise.
 532         * genchecksum.c: Likewise.
 533         * genconfig.c: Likewise.
 534         * genflags.c: Likewise.
 535         * gengtype-parse.c: Likewise.
 536         * gengtype.c: Likewise.
 537         * gengtype.h: Likewise.
 538         * genmddeps.c: Likewise.
 539         * genmodes.c: Likewise.
 540         * genopinit.c: Likewise.
 541         * genpreds.c: Likewise.
 542         * gensupport.c: Likewise.
 543         * ggc-common.c: Likewise.
 544         * ggc-page.c: Likewise.
 545         * ggc-zone.c: Likewise.
 546         * ggc.h: Likewise.
 547         * gimple-iterator.c: Likewise.
 548         * gimple-low.c: Likewise.
 549         * gimple-pretty-print.c: Likewise.
 550         * gimple.c: Likewise.
 551         * gimple.def: Likewise.
 552         * gimple.h: Likewise.
 553         * gimplify.c: Likewise.
 554         * graphds.c: Likewise.
 555         * graphite-clast-to-gimple.c: Likewise.
 556         * gthr-nks.h: Likewise.
 557         * gthr-posix.c: Likewise.
 558         * gthr-posix.h: Likewise.
 559         * gthr-posix95.h: Likewise.
 560         * gthr-single.h: Likewise.
 561         * gthr-tpf.h: Likewise.
 562         * gthr-vxworks.h: Likewise.
 563         * gthr.h: Likewise.
 564         * haifa-sched.c: Likewise.
 565         * hard-reg-set.h: Likewise.
 566         * hooks.c: Likewise.
 567         * hooks.h: Likewise.
 568         * hosthooks.h: Likewise.
 569         * hwint.h: Likewise.
 570         * ifcvt.c: Likewise.
 571         * incpath.c: Likewise.
 572         * init-regs.c: Likewise.
 573         * integrate.c: Likewise.
 574         * ipa-cp.c: Likewise.
 575         * ipa-inline.c: Likewise.
 576         * ipa-prop.c: Likewise.
 577         * ipa-pure-const.c: Likewise.
 578         * ipa-reference.c: Likewise.
 579         * ipa-struct-reorg.c: Likewise.
 580         * ipa-struct-reorg.h: Likewise.
 581         * ipa-type-escape.c: Likewise.
 582         * ipa-type-escape.h: Likewise.
 583         * ipa-utils.c: Likewise.
 584         * ipa-utils.h: Likewise.
 585         * ipa.c: Likewise.
 586         * ira-build.c: Likewise.
 587         * ira-color.c: Likewise.
 588         * ira-conflicts.c: Likewise.
 589         * ira-costs.c: Likewise.
 590         * ira-emit.c: Likewise.
 591         * ira-int.h: Likewise.
 592         * ira-lives.c: Likewise.
 593         * ira.c: Likewise.
 594         * jump.c: Likewise.
 595         * lambda-code.c: Likewise.
 596         * lambda-mat.c: Likewise.
 597         * lambda-trans.c: Likewise.
 598         * lambda.h: Likewise.
 599         * langhooks.c: Likewise.
 600         * lcm.c: Likewise.
 601         * libgcov.c: Likewise.
 602         * lists.c: Likewise.
 603         * loop-doloop.c: Likewise.
 604         * loop-init.c: Likewise.
 605         * loop-invariant.c: Likewise.
 606         * loop-iv.c: Likewise.
 607         * loop-unroll.c: Likewise.
 608         * lower-subreg.c: Likewise.
 609         * lto-cgraph.c: Likewise.
 610         * lto-compress.c: Likewise.
 611         * lto-opts.c: Likewise.
 612         * lto-section-in.c: Likewise.
 613         * lto-section-out.c: Likewise.
 614         * lto-streamer-in.c: Likewise.
 615         * lto-streamer-out.c: Likewise.
 616         * lto-streamer.c: Likewise.
 617         * lto-streamer.h: Likewise.
 618         * lto-symtab.c: Likewise.
 619         * lto-wpa-fixup.c: Likewise.
 620         * matrix-reorg.c: Likewise.
 621         * mcf.c: Likewise.
 622         * mode-switching.c: Likewise.
 623         * modulo-sched.c: Likewise.
 624         * omega.c: Likewise.
 625         * omega.h: Likewise.
 626         * omp-low.c: Likewise.
 627         * optabs.c: Likewise.
 628         * optabs.h: Likewise.
 629         * opts-common.c: Likewise.
 630         * opts.c: Likewise.
 631         * params.def: Likewise.
 632         * params.h: Likewise.
 633         * passes.c: Likewise.
 634         * plugin.c: Likewise.
 635         * postreload-gcse.c: Likewise.
 636         * postreload.c: Likewise.
 637         * predict.c: Likewise.
 638         * predict.def: Likewise.
 639         * pretty-print.c: Likewise.
 640         * pretty-print.h: Likewise.
 641         * print-rtl.c: Likewise.
 642         * print-tree.c: Likewise.
 643         * profile.c: Likewise.
 644         * read-rtl.c: Likewise.
 645         * real.c: Likewise.
 646         * recog.c: Likewise.
 647         * reg-stack.c: Likewise.
 648         * regcprop.c: Likewise.
 649         * reginfo.c: Likewise.
 650         * regmove.c: Likewise.
 651         * regrename.c: Likewise.
 652         * regs.h: Likewise.
 653         * regstat.c: Likewise.
 654         * reload.c: Likewise.
 655         * reload1.c: Likewise.
 656         * resource.c: Likewise.
 657         * rtl.c: Likewise.
 658         * rtl.def: Likewise.
 659         * rtl.h: Likewise.
 660         * rtlanal.c: Likewise.
 661         * sbitmap.c: Likewise.
 662         * sched-deps.c: Likewise.
 663         * sched-ebb.c: Likewise.
 664         * sched-int.h: Likewise.
 665         * sched-rgn.c: Likewise.
 666         * sched-vis.c: Likewise.
 667         * sdbout.c: Likewise.
 668         * sel-sched-dump.c: Likewise.
 669         * sel-sched-dump.h: Likewise.
 670         * sel-sched-ir.c: Likewise.
 671         * sel-sched-ir.h: Likewise.
 672         * sel-sched.c: Likewise.
 673         * sel-sched.h: Likewise.
 674         * sese.c: Likewise.
 675         * sese.h: Likewise.
 676         * simplify-rtx.c: Likewise.
 677         * stack-ptr-mod.c: Likewise.
 678         * stmt.c: Likewise.
 679         * stor-layout.c: Likewise.
 680         * store-motion.c: Likewise.
 681         * stringpool.c: Likewise.
 682         * stub-objc.c: Likewise.
 683         * sync-builtins.def: Likewise.
 684         * target-def.h: Likewise.
 685         * target.h: Likewise.
 686         * targhooks.c: Likewise.
 687         * targhooks.h: Likewise.
 688         * timevar.c: Likewise.
 689         * tlink.c: Likewise.
 690         * toplev.c: Likewise.
 691         * toplev.h: Likewise.
 692         * tracer.c: Likewise.
 693         * tree-affine.c: Likewise.
 694         * tree-affine.h: Likewise.
 695         * tree-browser.def: Likewise.
 696         * tree-call-cdce.c: Likewise.
 697         * tree-cfg.c: Likewise.
 698         * tree-cfgcleanup.c: Likewise.
 699         * tree-chrec.c: Likewise.
 700         * tree-chrec.h: Likewise.
 701         * tree-complex.c: Likewise.
 702         * tree-data-ref.c: Likewise.
 703         * tree-data-ref.h: Likewise.
 704         * tree-dfa.c: Likewise.
 705         * tree-dump.c: Likewise.
 706         * tree-dump.h: Likewise.
 707         * tree-eh.c: Likewise.
 708         * tree-flow-inline.h: Likewise.
 709         * tree-flow.h: Likewise.
 710         * tree-if-conv.c: Likewise.
 711         * tree-inline.c: Likewise.
 712         * tree-into-ssa.c: Likewise.
 713         * tree-loop-distribution.c: Likewise.
 714         * tree-loop-linear.c: Likewise.
 715         * tree-mudflap.c: Likewise.
 716         * tree-nested.c: Likewise.
 717         * tree-nomudflap.c: Likewise.
 718         * tree-nrv.c: Likewise.
 719         * tree-object-size.c: Likewise.
 720         * tree-optimize.c: Likewise.
 721         * tree-outof-ssa.c: Likewise.
 722         * tree-parloops.c: Likewise.
 723         * tree-pass.h: Likewise.
 724         * tree-phinodes.c: Likewise.
 725         * tree-predcom.c: Likewise.
 726         * tree-pretty-print.c: Likewise.
 727         * tree-profile.c: Likewise.
 728         * tree-scalar-evolution.c: Likewise.
 729         * tree-ssa-address.c: Likewise.
 730         * tree-ssa-alias.c: Likewise.
 731         * tree-ssa-ccp.c: Likewise.
 732         * tree-ssa-coalesce.c: Likewise.
 733         * tree-ssa-copy.c: Likewise.
 734         * tree-ssa-copyrename.c: Likewise.
 735         * tree-ssa-dce.c: Likewise.
 736         * tree-ssa-dom.c: Likewise.
 737         * tree-ssa-dse.c: Likewise.
 738         * tree-ssa-forwprop.c: Likewise.
 739         * tree-ssa-ifcombine.c: Likewise.
 740         * tree-ssa-live.c: Likewise.
 741         * tree-ssa-live.h: Likewise.
 742         * tree-ssa-loop-ch.c: Likewise.
 743         * tree-ssa-loop-im.c: Likewise.
 744         * tree-ssa-loop-ivcanon.c: Likewise.
 745         * tree-ssa-loop-ivopts.c: Likewise.
 746         * tree-ssa-loop-manip.c: Likewise.
 747         * tree-ssa-loop-niter.c: Likewise.
 748         * tree-ssa-loop-prefetch.c: Likewise.
 749         * tree-ssa-loop-unswitch.c: Likewise.
 750         * tree-ssa-loop.c: Likewise.
 751         * tree-ssa-math-opts.c: Likewise.
 752         * tree-ssa-operands.c: Likewise.
 753         * tree-ssa-operands.h: Likewise.
 754         * tree-ssa-phiopt.c: Likewise.
 755         * tree-ssa-phiprop.c: Likewise.
 756         * tree-ssa-pre.c: Likewise.
 757         * tree-ssa-propagate.c: Likewise.
 758         * tree-ssa-reassoc.c: Likewise.
 759         * tree-ssa-sccvn.c: Likewise.
 760         * tree-ssa-sink.c: Likewise.
 761         * tree-ssa-structalias.c: Likewise.
 762         * tree-ssa-ter.c: Likewise.
 763         * tree-ssa-threadedge.c: Likewise.
 764         * tree-ssa-threadupdate.c: Likewise.
 765         * tree-ssa-uncprop.c: Likewise.
 766         * tree-ssa.c: Likewise.
 767         * tree-ssanames.c: Likewise.
 768         * tree-switch-conversion.c: Likewise.
 769         * tree-tailcall.c: Likewise.
 770         * tree-vect-data-refs.c: Likewise.
 771         * tree-vect-generic.c: Likewise.
 772         * tree-vect-loop-manip.c: Likewise.
 773         * tree-vect-loop.c: Likewise.
 774         * tree-vect-patterns.c: Likewise.
 775         * tree-vect-slp.c: Likewise.
 776         * tree-vect-stmts.c: Likewise.
 777         * tree-vectorizer.c: Likewise.
 778         * tree-vectorizer.h: Likewise.
 779         * tree-vrp.c: Likewise.
 780         * tree.c: Likewise.
 781         * tree.def: Likewise.
 782         * tree.h: Likewise.
 783         * treestruct.def: Likewise.
 784         * unwind-compat.c: Likewise.
 785         * unwind-dw2-fde-glibc.c: Likewise.
 786         * unwind-dw2.c: Likewise.
 787         * value-prof.c: Likewise.
 788         * value-prof.h: Likewise.
 789         * var-tracking.c: Likewise.
 790         * varasm.c: Likewise.
 791         * varpool.c: Likewise.
 792         * vec.c: Likewise.
 793         * vec.h: Likewise.
 794         * vmsdbgout.c: Likewise.
 795         * web.c: Likewise.
 796         * xcoffout.c: Likewise.
 797
 798 2009-11-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 799
 800         * pa.c (output_call): Only use sr4 for long interspace calls if
 801         call binds local and generating non PIC code.
 802         (attr_length_call): Adjust length calculation for above.
 803
 804 2009-11-25  Uros Bizjak  <ubizjak@gmail.com>
 805
 806         * config/i386/i386.md (plusminus_carry_mnemonic): New code attribute.
 807         (add<mode>3_carry): Change operand order of plus RTX.
 808         (*add<mode>3_carry): Ditto.
 809         (*addsi3_carry_zext): Ditto.
 810         (*add<dwi>3_doubleword): Update for changed operand order.
 811         (*negti2_1 splitter): Ditto.
 812         (*negdi2_1 splitter): Ditto.
 813         (<plusminus_insn><mode>3_carry): Macroize expander from
 814         {add,sub}<mode>3_carry patterns using plusminus code iterator.
 815         (*<plusminus_insn><mode>3_carry): Macroize insn from
 816         *{add,sub}<mode>3_carry patetrns using plusminus code iterator.
 817         (neg<mode>2): Macroize expander from neg{qi,hi,si,di,ti}2
 818         patterns using SDWIM mode iterator.
 819         (*neg<dwi>2_doubleword): New insn_and_split pattern.  Macroize
 820         pattern from *neg{di,ti}2_1 patterns and corresponding splitters
 821         using DWIH mode iterator.
 822         (*neg<mode>2_1): Macroize insn from neg{qi,hi,si,di}2_1 patterns
 823         using SWI mode iterator.
 824         (*neg<mode>2_cmpz): Ditto from neg{qi,hi,si,di}2_cmpz patterns.
 825         (one_cmpl<mode>2): Macroize expander from one_cmpl{qi,hi,si,di}2
 826         patterns using SWIM mode iterator.
 827         (*one_cmpl<mode>2_1): Macroize insn from one_cmpl{hi,si,di}2_1
 828         patterns using SWI248 mode iterator.
 829         (*one_cmpl<mode>2_2): Macroize insn from one_cmpl{qi,hi,si,di}2_2
 830         patterns using SWI mode iterator.
 831         (*one_cmpl<mode>2_2 splitter): Macroize splitter from
 832         one_cmpl{qi,hi,si,di}2_2 splitter patterns using SWI mode iterator.
 833
 834 2009-11-24  Michael Matz  <matz@suse.de>
 835
 836         * expr.c (set_storage_via_libcall): Fix build_call_expr call.
 837
 838 2009-11-24  David Binderman  <dcb314@hotmail.com>
 839
 840         * expr.c (store_field): Remove set but not used local variable
 841         width_mask.
 842         (expand_expr_real_2): Remove treeop2.
 843         * gcse.c (update_ld_motion_stores): Remove new_rtx.
 844         * haifa-sched.c (max_issue): Remove points.
 845         (sched_create_recovery_edges): Remove e.
 846         * ira-costs.c (setup_allocno_cover_class_and_costs): Remove mode.
 847
 848 2009-11-24  Nick Clifton  <nickc@redhat.com>
 849
 850         * config/v850/v850.c (function_arg): Fix handling of zero-length
 851         function arguments.
 852
 853 2009-11-24  Michael Matz  <matz@suse.de>
 854
 855         * tree.h (union tree_ann_d): Don't declare.
 856         (tree_base): Remove ann field.
 857         (struct var_ann_d): Declare forward.
 858         (tree_result_decl, tree_parm_decl, tree_var_decl): Add ann field.
 859         (DECL_VAR_ANN_PTR): New macro.
 860         * tree-dfa.c (create_var_ann): Rewrite in terms of above macro,
 861         accept only VAR, PARM or RESULT decls.
 862         (create_tree_common_ann): Remove.
 863         (remove_referenced_var): Use DECL_VAR_ANN_PTR.
 864         * tree-eh.c (lookup_expr_eh_lp): Remove.
 865         * tree-flow-inline.h (var_ann, get_var_ann): Rewrite in terms of
 866         DECL_VAR_ANN_PTR.
 867         (ann_type, tree_common_ann, get_tree_common_ann): Remove.
 868         * tree-flow.h (enum tree_ann_type): Remove.
 869         (struct tree_ann_common_d): Remove.
 870         (struct var_ann_d): Remove common field.
 871         (union tree_ann_d): Remove.
 872         (tree_ann_t, tree_ann_common_t): Remove typedefs.
 873         (tree_common_ann, get_tree_common_ann, ann_type,
 874         create_tree_common_ann, lookup_expr_eh_lp): Don't declare.
 875         * tree-ssa.c (delete_tree_ssa): Use DECL_VAR_ANN_PTR.
 876         * tree.c (copy_node_stat): Use DECL_VAR_ANN_PTR.
 877         * builtins.c (expand_builtin_memcpy): Use
 878         currently_expanding_gimple_stmt instead of tree annotation.
 879         (expand_builtin_memset_args): Ditto.
 880         * cfgexpand.c (currently_expanding_gimple_stmt): Add global variable.
 881         (expand_call_stmt): Don't set tree annotation.
 882         (expand_gimple_basic_block): Set currently_expanding_gimple_stmt.
 883         * expr.c (expand_expr_real): Don't call lookup_expr_eh_lp.
 884         * gimple.h (currently_expanding_gimple_stmt): Declare.
 885
 886 2009-11-24  Paolo Carlini  <paolo.carlini@oracle.com>
 887
 888         * dwarf2out.c (add_location_or_const_value_attribute): Remove
 889         useless NOTE_VAR_LOCATION_STATUS call.
 890         * cfgrtl.c (commit_one_edge_insertion): Remove useless loop, tidy.
 891
 892 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
 893
 894         * lto-wrapper.c (lto_wrapper_exit): Don't try to delete files if
 895         being called recursively.
 896
 897 2009-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
 898
 899         * Makefile.in (PLUGIN_HEADERS): Added files: cppdefault.h flags.h
 900         $(MD5_H) params.def params.h prefix.h tree-inline.h.
 901
 902 2009-11-24  Paul Brook  <paul@codesourcery.com>
 903
 904         * gcc/config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Fix comment
 905         typo.
 906
 907 2009-11-24  Julian Brown  <julian@codesourcery.com>
 908             Paul Brook  <paul@codesourcery.com>
 909
 910         * config/arm/arm.c (TARGET_DWARF_REGISTER_SPAN): Define.
 911         (arm_dwarf_register_span): New function.
 912         (arm_dbx_register_number): Add VFPv3 dwarf numbering.
 913
 914 2009-11-24  David Binderman  <dcb314@hotmail.com>
 915
 916         * cfgrtl.c (commit_one_edge_insertion): Remove set but not used
 917         local variable bb_note.
 918         * dominance.c (get_dominated_by): Likewise local var n.
 919         (output_file_names): Likewise local var idx.
 920         (add_location_or_const_value_attribute): Likewise local var status.
 921         * dwarf2out.c (gen_variable_die): Likewise local var field.
 922         * emit-rtl.c (no_line_numbers): Remove.
 923         (init_emit_once): Remove line_numbers parameter.
 924         * rtl.h (init_emit_once): Adjust prototype.
 925         * toplev.c (backend_init): Adjust init_emit_once call.
 926
 927 2009-11-24  Richard Guenther  <rguenther@suse.de>
 928
 929         PR tree-optimization/42142
 930         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
 931         Handle iv-dependent (non-)kills properly.
 932         (mark_aliased_reaching_defs_necessary): Pass the basic-block
 933         of the reference statement to mark_aliased_reaching_defs_necessary_1.
 934
 935 2009-11-24  Martin Jambor  <mjambor@suse.cz>
 936
 937         PR tree-optimization/42154
 938         * tree-sra.c (struct access): Added comments.
 939         (sra_modify_expr): Build references to the old aggregate with
 940         build_ref_for_offset instead of reusing access->expr.
 941         (load_assign_lhs_subreplacements): Likewise.
 942
 943 2009-11-24  Uros Bizjak  <ubizjak@gmail.com>
 944
 945         * config/i386/i386.md (add<mode>3_carry): Change insn pattern
 946         to expander.
 947         (sub<mode>3_carry): Ditto.
 948         (x86_mov<mode>cc_0_m1): Ditto.
 949         (*add<mode>3_carry): New insn pattern.  Use VOIDmode match_operator
 950         for ix86_carry_flag_operator operator predicate.
 951         (*sub<mode>3_carry): Ditto.
 952         (*x86_mov<mode>cc_0_m1): Ditto.
 953         (*addsi3_carry_zext): Use VOIDmode match_operator for
 954         ix86_carry_flag_operator operator predicate.
 955         (*subsi3_carry_zext): Ditto.
 956         (*x86_mov<mode>cc_0_m1_s): Ditto.
 957         (*x86_mov<mode>cc_0_m1_neg): Ditto.
 958         * config/i386/predocates.md (ix86_carry_flag_operator): Do not
 959         check operator sub-expressions for FLAGS_REG and const0_rtx.
 960         * config/i386/i386.c (*ix86_gen_sub3_carry): Update prototype.
 961         (ix86_expand_int_movcc): Update calls to gen_x86_mov{si,di}cc_0_m1.
 962         (ix86_expand_int_addcc): Update calls to
 963         gen_{add,sub}{qi,hi,si,di}3_carry.  Do not set mode of compare_op.
 964         (ix86_expand_strlensi_unroll_1): Update calls to ix86_gen_sub3_carry.
 965         Do not set mode of compare operation.
 966
 967 2009-11-23  Jan Hubicka  <jh@suse.cz>
 968
 969         PR middle-end/42151
 970         * ipa-inline.c (inline_transform): Avoid ICE when transform is called
 971         twice.
 972
 973 2009-11-23  Jan Hubicka  <jh@suse.cz>
 974
 975         * ipa-cp.c (ipcp_compute_node_scale): Work around completely
 976         wrong profile updates.
 977         * predict.c (counts_to_freqs): Be expected for ENTRY/EXIT block
 978         having largest frequency.
 979         * ira-live.c (ira_implicitly_set_insn_hard_regs): Silecne
 980         used uninitalized warning.
 981         * tree-optimize.c (execute_fixup_cfg): Rescale entry and exit block
 982         frequencies.
 983
 984 2009-11-23  Uros Bizjak  <ubizjak@gmail.com>
 985
 986         * config/alpha/alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead
 987         of gen_rtx_REG to generate operand 5.
 988         (*cmp_ssub_sidi): Ditto.
 989
 990 2009-11-23  Richard Henderson  <rth@redhat.com>
 991
 992         * config/i386/i386.c (avx_vpermilp_parallel): Fix sign compare
 993         mismatch.
 994
 995 2009-11-23  Paul Brook  <paul@codesourcery.com>
 996
 997         * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Add special
 998         case for noreturn functions.
 999         (arm_compute_save_reg_mask): Remove special noreturn handling.
1000
1001 2009-11-23  Richard Guenther  <rguenther@suse.de>
1002
1003         * tree-dfa.c (get_ref_base_and_extent): Adjust maximum access
1004         size for DECL bases.
1005
1006 2009-11-22  Richard Henderson  <rth@redhat.com>
1007
1008         * i386.c (avx_vpermilp_parallel): New function.
1009         * i386-protos.h: Declare it.
1010         * predicates.md (avx_vpermilp_v8sf_operand, avx_vpermilp_v4df_operand,
1011         avx_vpermilp_v4sf_operand, avx_vpermilp_v2df_operand): New.
1012         * sse.md (AVXMODEFDP, AVXMODEFSP): New iterators.
1013         (ssescalarnum, ssedoublesizemode): Add AVX modes.
1014         (vpermilbits): Remove.
1015         (avx_vpermil<mode>): Change insns to expanders.
1016         (*avx_vpermil<mode>): New.  Use vec_select.
1017
1018 2009-11-22  Richard Earnshaw  <rearnsha@arm.com>
1019
1020         * opts.c (decode_options): Don't enable flag_schedule_insns
1021         when optimizing for size.
1022         * doc/invoke.texi: Document change.
1023
1024 2009-11-22  Uros Bizjak  <ubizjak@gmail.com>
1025
1026         PR target/42113
1027         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1028         of scratch register to SImode.
1029         (*cmp_sadd_sidi): Ditto.
1030         (*cmp_ssub_si): Ditto.
1031         (*cmp_ssub_sidi): Ditto.
1032
1033 2009-11-21  Ian Lance Taylor  <iant@google.com>
1034
1035         * Makefile.in (HOST_LIBS): Move higher in file.
1036         (LINKER, LINKER_FLAGS): If ENABLE_BUILD_WITH_CXX, but $(HOST_LIBS)
1037         is not empty, set to $(CC) and $(CFLAGS).
1038
1039 2009-11-22  Martin Jambor  <mjambor@suse.cz>
1040
1041         * tree-cfg.c (verify_types_in_gimple_reference): Error out on
1042         V_C_E of an SSA_NAME or an invariant if lvalue is required.
1043         (verify_gimple_call): Verify LHS also with with
1044         verify_types_in_gimple_reference.
1045
1046 2009-11-21  Martin Jambor  <mjambor@suse.cz>
1047
1048         PR middle-end/42025
1049         * tree-sra.c (access_precludes_ipa_sra_p): New function.
1050         (splice_param_accesses): Check all accesses by calling
1051         access_precludes_ipa_sra_p.
1052         (sra_ipa_modify_expr): Rename argument erite to dont_convert and do
1053         not convert types if it is true.
1054         (sra_ipa_modify_assign): Convert types in case of mismatch.
1055
1056 2009-11-21  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1057
1058         * config/sh/sh.md (cmpeqsi_t-1): Use logical_operand predicate
1059         for operand 1.
1060
1061 2009-11-21  Adam Nemet  <adambnemet@gmail.com>
1062
1063         * config/mips/mips-protos.h (mulsidi3_gen_fn): New typedef.
1064         (mips_mulsidi3_gen_fn): Declare new function.
1065         * config/mips/mips.c (mips_mulsidi3_gen_fn): New function.
1066         * config/mips/mips.md (<u>mulsidi3): Change condition to use
1067         mips_mulsidi3_gen_fn.  Use mips_mulsidi3_gen_fn to generate the insn.
1068         (<u>mulsidi3_64bit): Don't match for ISA_HAS_DMUL3.
1069         (mulsidi3_64bit_dmul): New define_insn.
1070
1071 2009-11-21  Ben Elliston  <bje@au.ibm.com>
1072
1073         * gengtype-lex.l: Enable noinput flex option.
1074         (YY_NO_INPUT): Remove define.
1075
1076 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
1077
1078         * tree-ssa.c (find_released_ssa_name): Handle NULL wi.
1079         (insert_debug_temp_for_var_def): Handle degenerate PHI nodes.
1080         (insert_debug_temps_for_defs): Handle PHI nodes.
1081         * tree-ssa-dom.c (degenerate_phi_result): Don't crash on released
1082         SSA names.
1083
1084 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
1085
1086         * tree-ssa-pre.c (remove_dead_inserted_code): Don't release_defs
1087         after remove_phi_node.
1088
1089 2009-11-21  Alexandre Oliva  <aoliva@redhat.com>
1090
1091         PR tree-optimization/42078
1092         * gimple.h (gimple_replace_lhs): New declaration.
1093         * gimple.c (gimple_replace_lhs): New function.
1094         * tree-ssa-math-opts.c (execute_cse_reciprocals): Call it before
1095         modifying the call.
1096
1097 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * config/i386/sse.md (*xop_pmacsdql_mem): Don't call reg_mentioned_p.
1100         (xop_mulv2div2di3_low): Same.
1101         (*xop_pmacsdqh_mem): Same.
1102
1103 2009-11-20  Richard Henderson  <rth@redhat.com>
1104
1105         * config/i386/i386-builtin-types.awk: New file.
1106         * config/i386/i386-builtin-types.def: New file.
1107         * config/i386/t-i386: Use them to build i386-builtin-types.inc.
1108         * config/i386/i386.c: Include it.
1109         (ix86_builtin_type_tab, ix86_get_builtin_type): New.
1110         (ix86_builtin_func_type_tab, ix86_get_builtin_func_type): New.
1111         (struct builtin_isa): Remove GTY marker.  Replace tree type with
1112         ix86_builtin_func_type; add set_and_not_built_p.
1113         (def_builtin): Change type parameter to tcode; use
1114         ix86_get_builtin_func_type; update all callers.  Accept zero mask
1115         to mean the builtin is unconditionally available.
1116         (ix86_add_new_builtins): Use set_and_not_built_p instead of type
1117         being set to NULL.
1118         (enum ix86_special_builtin_type, enum ix86_builtin_type): Remove.
1119         Update some users to rationalized enumeration codes from new include.
1120         (enum multi_arg_type): Remove.  Replace all enumeration values
1121         with defines to new ix86_builtin_func_type.
1122         (ix86_init_mmx_sse_builtins): Don't build any types here.  Defer
1123         all type resolution to def_builtin.
1124         (ix86_init_builtin_types): Split out from ...
1125         (ix86_init_builtins): ... here.  Use ix86_get_builtin_func_type.
1126
1127 2009-11-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
1128
1129         PR target/41787
1130         * config/rs6000/rs6000.c (struct machine_function): Revert
1131         2009-10-23 change to set VRSAVE to non-0 if we use VSX.
1132         (rs6000_expand_to_rtl_hook): Ditto.
1133         (rs6000_check_vector_mode): Ditto.
1134         (compute_vrsave_mask): Ditto.
1135
1136 2009-11-20  Paul Brook  <paul@codesourcery.com>
1137
1138         * doc/invoke.texi: Document ARM -mcpu=cortex-a5.
1139         * config/arm/arm-cores.def: Add cortex-a5.
1140         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a5.
1141         * config/arm/arm-tune.md: Regenerate.
1142
1143 2009-11-20 Olga Golovanevsky <olga@il.ibm.com>
1144
1145         PR middle-end/39960
1146         * ipa-struct-reorg.c (find_pos_in_stmt): New parameter.
1147         (ref_pos): New field in structure.
1148         (insert_new_var_in_stmt): New function.
1149
1150
1151 2009-11-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1152
1153         * config.gcc (alpha*-dec-osf[45]*): Set use_gcc_stdint.
1154         * config/alpha/osf.h (SIG_ATOMIC_TYPE): Define.
1155         (INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE): Define.
1156         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
1157         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1158         INT_LEAST64_TYPE): Define.
1159         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
1160         UINT_LEAST64_TYPE): Define.
1161         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
1162         INT_FAST64_TYPE): Define.
1163         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1164         UINT_FAST64_TYPE): Define.
1165         (INTPTR_TYPE, UINTPTR_TYPE): Define.
1166
1167 2009-11-20  Julian Brown  <julian@codesourcery.com>
1168
1169         * config/arm/arm.h (ASM_OUTPUT_REG_PUSH): Handle STATIC_CHAIN_REGNUM
1170         specially for Thumb-1.
1171         (ASM_OUTPUT_REG_POP): Likewise.
1172
1173 2009-11-19  Jason Merrill  <jason@redhat.com>
1174
1175         * dwarf2out.c (get_context_die): Take TYPE_MAIN_VARIANT.
1176
1177 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
1178             Rafael Avila de Espindola  <espindola@google.com>
1179
1180         * doc/plugins.texi (Plugin initialization): Added advices for
1181         retrieving the version of GCC at plugin compilation and loading times.
1182
1183 2009-11-19  Basile Starynkevitch  <basile@starynkevitch.net>
1184
1185         * plugin.c (FMT_FOR_PLUGIN_EVENT): added definition.
1186         (dump_active_plugins): output to file everything. Use
1187         internationalized dump & FMT_FOR_PLUGIN_EVENT.
1188
1189 2009-11-19  Richard Guenther  <rguenther@suse.de>
1190
1191         * gimple.c (canonicalize_cond_expr_cond): Strip conversions
1192         around truth-valued expressions.
1193         * tree.c (free_lang_data): Untangle check for LTO frontend.
1194
1195 2009-11-19  Jakub Jelinek  <jakub@redhat.com>
1196
1197         * tree.c (need_assembler_name_p): Use cgraph_get_node instead
1198         of cgraph_node_for_decl.
1199         * cgraph.h (cgraph_node_for_decl): Remove prototype.
1200         * cgraph.c (cgraph_node_for_decl): Remove.
1201         (cgraph_get_node): Just return NULL if !cgraph_hash.
1202
1203 2009-11-19  Paul Brook  <paul@codesourcery.com>
1204
1205         * config.gcc: Add new ARM --with-fpu options.
1206         * doc/invoke.texi: Docuent ARM -mfpu=fpv4-sp-d16.
1207         * config/arm/arm.c (all_fpus): Add fpv4-sp-d16.
1208
1209 2009-11-18  Richard Guenther  <rguenther@suse.de>
1210
1211         * gimple.h (union gimple_statement_d): Add gsmembase member.
1212         (gimple_vuse_op): Use gsmembase for access.
1213         (gimple_vdef_op): Likewise.
1214         (gimple_vuse): Likewise.
1215         (gimple_vdef): Likewise.
1216         (gimple_vuse_ptr): Likewise.
1217         (gimple_vdef_ptr): Likewise.
1218         (gimple_set_vuse): Likewise.
1219         (gimple_set_vdef): Likewise.
1220         * gsstruct.def (GSS_WITH_MEM_OPS_BASE): Add.
1221
1222 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
1223
1224         * doc/arm-neon-intrinsics.texi: Regenerated.
1225
1226 2009-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
1227
1228         * config/arm/neon-docgen.ml (analyze_shape_elt): Handle alternatives.
1229
1230 2009-11-18  Paul Brook  <paul@codesourcery.com>
1231             Daniel Jacobowitz  <dan@codesourcery.com>
1232
1233         * config/arm/arm.c (FL_ARCH7EM, FL_FOR_ARCH7EM): Define.
1234         (arm_arch7em): New variable.
1235         (all_architectures): Add armv7e-m.
1236         (arm_override_options): Set arm_arch7em.
1237         * config/arm/arm.h (TARGET_DSP_MULTIPLY, TARGET_INT_SIMD):
1238         Include arm_arch7em.
1239         (arm_arch7em): Declare.
1240
1241 2009-11-18  Richard Guenther  <rguenther@suse.de>
1242
1243         * lto-streamer-in.c (input_gimple_stmt): Assert that we find
1244         a valid field decl if checking is enabled.
1245
1246 2009-11-18  Martin Jambor  <mjambor@suse.cz>
1247
1248         * ipa-prop.h (struct ipa_param_call_note): New field lto_stmt_uid.
1249         (lto_ipa_fixup_call_notes): Declare.
1250         * ipa-prop.c (ipa_note_param_call): Store gimple uid.
1251         (update_call_notes_after_inlining): Copy call stmt uid to the new
1252         edge.
1253         (ipa_write_param_call_note): New function.
1254         (ipa_read_param_call_note): New function
1255         (ipa_write_node_info): Write also param call notes.  Removed a bogus
1256         comment, reformatted to fit 80 columns.
1257         (ipa_read_node_info): Read also param call notes. Removed a bogus
1258         comment.  Remove ipa_edge_args_vector growth.
1259         (lto_ipa_fixup_call_notes): New function.
1260         * ipa-cp.c (pass_ipa_cp): Add stmt_fixup hook.
1261         * ipa-inline.c (cgraph_mark_inline_edge): Perform indirect
1262         inlining regardless of flag_wpa.
1263         (cgraph_decide_inlining_of_small_functions): Likewise.
1264         (cgraph_decide_inlining): Likewise.
1265         (inline_read_summary): Likewise.
1266
1267 2009-11-18  Jan Hubicka  <jh@suse.cz>
1268
1269         * predict.c (compute_function_frequency): Export.
1270         * predict.h (compute_function_frequency): Declare.
1271         * tree-optimize.c (execute_fixup_cfg): Rescale frequencies.
1272
1273 2009-11-18  Martin Jambor  <mjambor@suse.cz>
1274
1275         * passes.c (ipa_write_summaries): Call renumber_gimple_stmt_uids
1276         on all nodes we write summaries for.
1277
1278 2009-11-18  Shujing Zhao  <pearly.zhao@oracle.com>
1279
1280         PR middle-end/22201
1281         * params.def (PARAM_INLINE_UNIT_GROWTH, PARAM_IPCP_UNIT_GROWTH)
1282         (PARAM_EARLY_INLINING_INSNS, PARAM_IRA_MAX_LOOPS_NUM)
1283         (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
1284         (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP)
1285         (PARAM_MIN_INSN_TO_PREFETCH_RATIO)
1286         (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
1287         (PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Uppercase the first letter of the
1288         description string.
1289
1290 2009-11-18  Jakub Jelinek  <jakub@redhat.com>
1291
1292         * dwarf2out.c (loc_list_from_tree): Don't call rtl_for_decl_location
1293         unnecessarily.
1294         (rtl_for_decl_location): Try harder to get a rtl for TREE_STATIC vars.
1295
1296         PR c++/3187
1297         * cgraph.h (struct cgraph_node): Add same_body and same_body_alias
1298         fields.
1299         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
1300         prototypes.
1301         * cgraphunit.c (cgraph_expand_function, cgraph_emit_thunks,
1302         cgraph_materialize_all_clones): Handle same_body aliases.
1303         * cgraph.c (cgraph_allocate_node): New function.
1304         (cgraph_create_node): Use it.
1305         (cgraph_node_for_decl, cgraph_node, cgraph_get_node,
1306         cgraph_node_for_asm, cgraph_remove_node): Handle same_body aliases.
1307         (cgraph_same_body_alias, cgraph_remove_same_body_alias): New
1308         functions.
1309         * lto-cgraph.c (lto_output_node): Stream out same_body aliases.
1310         (input_node): Stream in same_body aliases.
1311         * lto-symtab.c (lto_cgraph_replace_node): Clear node pointers
1312         for same_body aliases.
1313         (lto_symtab_merge_cgraph_nodes_1): Handle same_body aliases.
1314
1315 2009-11-18  Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1316
1317         PR other/39888
1318         * config/darwin.h: Use the extension stub libraries to access
1319         current libgcc_s features.
1320
1321 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1322
1323         PR debug/41926
1324         * tree-vect-loop.c (vect_loop_kill_debug_uses): New.
1325         (vect_transform_loop): Call it.
1326
1327 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1328
1329         * tree-ssa.c (insert_debug_temp_for_var_def): Fix handling of
1330         released SSA names.
1331
1332 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1333
1334         PR debug/41888
1335         PR debug/41886
1336         * graphite-scop-detection.c (stmt_simple_for_scop_p): Debug stmts
1337         are ok.
1338         * graphite-sese-to-poly.c (graphite_stmt_p): Likewise.
1339         (try_generate_gimple_bb): Skip debug stmts when finding data refs.
1340         * sese.c (sese_build_liveouts_bb): Skip debug stmts.
1341         (sese_bad_liveouts_use): New.
1342         (sese_reset_debug_liveouts_bb): New.
1343         (sese_build_liveouts): Use it.
1344         (rename_variables_in_stmt): Reset debug stmts rather than creating
1345         new vars for them.
1346         (expand_scalar_variable_stmt): Likewise.
1347
1348 2009-11-18  Alexandre Oliva  <aoliva@redhat.com>
1349
1350         * df-scan.c (df_ref_create): Don't mark BB as dirty on debug insns.
1351         (df_ref_remove): Likewise.
1352
1353 2009-11-17  Jan Hubicka  <jh@suse.cz>
1354
1355         * ipa-struct-reorg.c (update_cgraph_with_malloc_call): Fix profile
1356         info.
1357
1358 2009-11-17  Eric Botcazou  <ebotcazou@adacore.com>
1359
1360         * toplev.c (process_options): Remove dead code.
1361         * doc/invoke.texi (-frename-registers): Mention -fpeel-loops.
1362
1363 2009-11-17  Rafael Avila de Espindola  <espindola@google.com>
1364
1365         * lto-symtab.c (lto_symtab_resolve_symbols): Always initialize the
1366         nodes.
1367
1368 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1369
1370         PR tree-optimization/41857
1371         * tree-ssa-address.c (move_hint_to_base): Use void pointer to
1372         TYPE's address space instead of pointer to TYPE.
1373
1374 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1375
1376         * reload.c (find_reloads_address): Fix typo.
1377
1378 2009-11-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1379
1380         * config/spu/spu.c (get_pic_reg): Use LAST_ARG_REGNUM as PIC
1381         registers in leaf functions if possible.
1382
1383 2009-11-17  Maxim Kuvyrkov  <maxim@codesourcery.com>
1384
1385         * config/m68k/m68k-devices.def: Add MCF5441x family.
1386
1387 2009-11-17  Jan Hubicka  <jh@suse.cz>
1388
1389         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not access
1390         removed node.
1391         * cgraphunit.c (verify_cgraph_node): Verify frequencies for match.
1392
1393 2009-11-17  Uros Bizjak  <ubizjak@gmail.com>
1394
1395         * config/i386/predicates.md (x86_64_szext_general_operand): Do not
1396         nest ior expressions.
1397         (x86_64_szext_nonmemory_operand): Ditto.
1398         (call_insn_operand): Ditto.
1399
1400 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
1401
1402         * stmt.c (expand_asm_stmt): Get locus from stmt.
1403
1404 2009-11-16  Alexandre Oliva  <aoliva@redhat.com>
1405
1406         * tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>:
1407         Create the decl label for the new dest block on demand.  Require
1408         a fallthrough edge if no asm labels were redirected.
1409
1410 2009-11-16  Uros Bizjak  <ubizjak@gmail.com>
1411
1412         * config/i386/i386.md (cbranchsi4): Use nonimmediate_operand for
1413         operand 1 predicate.
1414         (cstoresi4): Ditto for operand 2.
1415         (cbranch<mode>4): Macroize expander from cbranch{qi,hi,si,di,ti}4
1416         patterns using SDWIM mode iterator.
1417         (cstore<mode>4): Macroize expander from cstore{qi,hi,si,di}4 patterns
1418         using SWIM mode iterator.
1419         (cmpdi_1): Rename from cmpdi_1_rex64.
1420         (cmp<mode>_1): Macroize expander from cmp{si,di}_1 patterns using
1421         SWI48 mode iterator.
1422         (*cmp<mode>_1): Macroize insn from *cmp{qi,hi,si,di}_1_insn patterns
1423         using SWI mode iterator.
1424         (*cmp<mode>_ccno_1): Ditto from *cmp{qi,hi,si,di}_ccno_1.
1425         (*cmp<mode>_minus_1): Ditto from *cmp{qi,hi,si,di}_minus_1.
1426         (*cmpqi_ext_3_insn): Make private.
1427         (*cmpqi_ext_3_insn_rex64): Make private.
1428         (cmpstrnsi): Update for renamed cmpdi_1_rex64.
1429         * config/i386/predicates.md (cmpsi_operand): Remove.
1430
1431 2009-11-16  Paul Brook  <paul@codesourcery.com>
1432
1433         * doc/invoke.texi: Document ARM VFPv4 based FPUs.
1434         * config/arm/arm.c (all_fpus): Add VFPv4 entries.
1435
1436 2009-11-14  Jan Hubicka  <jh@suse.cz>
1437
1438         * cgraphbuild.c (compute_call_stmt_bb_frequency): Use proper
1439         ENTRY_BLOCK_PTR.
1440         * cgraph.c (cgraph_clone_edge): Avoid freq_scale 0 to completely
1441         zero out all callees.
1442         * cgraphunit.c (verify_cgraph_node): Verify cgraph nodes for
1443         frequency and count match.
1444         * ipa-inline.c (update_noncloned_frequencies): New function.
1445         (cgraph_clone_inlined_nodes): Use it.
1446         * tree-inline.c (copy_bb): Fix frequency scaling; output
1447         diagnostic on frequency mismatches to dump file.
1448         (initialize_cfun): Do not scale frequency; fix count scaling;
1449         initialize entry and exit block frequencies; copy profile info.
1450         (copy_cfg_body): Use frequency_scale as argument; fix count scaling.
1451         (copy_body): Use frequency_scale as argument.
1452         (expand_call_inline): Compute frequency scale and output diagnostic
1453         to dump file.
1454         (delete_unreachable_blocks_update_callgrah): Remove checking that
1455         has to be done after edge redirection.
1456         (tree_function_versioning): Update initialize_cfun and copy_body call.
1457
1458 2009-11-14  Jan Hubicka  <jh@suse.cz>
1459
1460         * cgraph.c (cgraph_release_function_body): Update use of
1461         ipa_transforms_to_apply.
1462         (cgraph_remove_node): Remove ipa_transforms_to_apply.
1463         * cgraph.h (struct cgraph_node): Add ipa_transforms_to_apply.
1464         * cgraphunit.c (save_inline_function_body): Clear ipa_transforms for
1465         copied body.
1466         (cgraph_materialize_clone): Remove original if dead.
1467         * lto-streamer-in.c (lto_read_body): Remove FIXME and
1468         ipa_transforms_to_apply hack.
1469         * function.h (struct function): Add ipa_transforms_to_apply.
1470         * ipa.c (cgraph_remove_unreachable_nodes): Handle dead clone originals.
1471         * tree-inline.c (copy_bb): Update sanity check.
1472         (initialize_cfun): Do not copy ipa_transforms_to_apply.
1473         (expand_call_inline): remove dead clone originals.
1474         (tree_function_versioning): Merge transformation queues.
1475         * passes.c (add_ipa_transform_pass): Remove.
1476         (execute_one_ipa_transform_pass): Update ipa_transforms_to_apply
1477         tracking.
1478         (execute_all_ipa_transforms): Update.
1479         (execute_one_pass): Update.
1480
1481 2009-11-14  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
1482
1483         PR target/21078, 21080
1484         * config/avr/avr.c (avr_return_addr_rtx): New function for
1485         builtin_return_address.
1486         (expand_prologue): Calculate stack usage.
1487         (avr_asm_function_end_prologue): Output stack size and offset label.
1488         * config/avr/avr.h (RETURN_ADDR_RTX): Replace.
1489         (machine_function): Add stack_usage.
1490         * config/avr/avr-protos.h (avr_return_addr_rtx): New function.
1491
1492 2009-11-14  Anatoly Sokolov  <aesok@post.ru>
1493
1494         * config/iq2000/iq2000.c (iq2000_function_value): Make static, add
1495         new 'outgoing' argument.
1496         (iq2000_libcall_value, iq2000_function_value_regno_p): New functions.
1497         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
1498         * config/iq2000/iq2000.h (FUNCTION_VALUE_REGNO_P): Redefine, use
1499         iq2000_function_value_regno_p.
1500         (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
1501         * config/iq2000/iq2000-protos.h (iq2000_function_value_regno_p):
1502         Declare.
1503
1504 2009-11-14  Richard Earnshaw  <rearnsha@arm.com>
1505
1506         PR target/42031
1507         * arm.md (adddi_sesidi_di): Place tied contraint first.
1508         (adddi_zesidi_di, subdi_di_zesidi, subdi_di_sesidi): Likewise
1509         (subdi_zesidi_di, subdi_sesidi_di): Likewise.
1510         (mulsi3_compare0, mulsi_compare0_scratch): Likewise.
1511         (mulsi3addsi, mulsi3addsi_compare0): Likewise.
1512         (mulsi3addsi_compare0_scratch, smulsi3_highpart_nov6): Likewise.
1513         (umulsi3_highpart_nov6, anddi_zesidi_di, anddi_sesdi_di): Likewise.
1514         (anddi_notdi_di, iordi_sesidi_di, xordi_sesidi_di): Likewise.
1515         (andsi_iorsi3_notsi, arm_ashldi3_1bit, arm_ashrdi3_1_bit): Likewise.
1516         (arm_lshrdi3_1bit, one_cmpldi2): Likewise.
1517
1518 2009-11-14  Uros Bizjak  <ubizjak@gmail.com>
1519
1520         * config/i386/predicates.md (call_register_no_elim_operand):
1521         New predicate.  Reject stack register as valid call operand
1522         for 32bit targets.
1523         (call_insn_operand): Use call_register_no_elim_operand.
1524
1525 2009-11-13  Richard Henderson  <rth@redhat.com>
1526
1527         * function.c (stack_protect_prologue): Don't bypass expand_expr
1528         for stack_protect_guard and guard_decl.
1529         (stack_protect_epilogue): Likewise.
1530
1531 2009-11-13  Jan Hubicka  <jh@suse.cz>
1532
1533         * ipa.c (function_and_variable_visibility): Clear COMDAT on functions
1534         when to PUBLIC is set.
1535
1536 2009-11-13  Jakub Jelinek  <jakub@redhat.com>
1537
1538         PR middle-end/42029
1539         * gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on
1540         tmp_load if needed.
1541
1542 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
1543
1544         PR target/41900
1545         * config/i386/i386.md (*call_pop_1, *call_1, *call_value_pop_1,
1546         *call_value_1): Use "lsm" as operand 1 constraint.
1547         * config/i386/predicates.md (call_insn_operand): Depend on
1548         index_register_operand to avoid %esp register.
1549
1550 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
1551
1552         Revert:
1553         2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
1554
1555         PR target/41900
1556         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
1557         (TARGET_CALL_ESP): New define.
1558         * config/i386/i386.c (initial_ix86_tune_features): Initialize
1559         X86_ARCH_CALL_ESP.
1560         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
1561         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
1562         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
1563         TARGET_CALL_ESP.
1564         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
1565         New patterns, use "lsm" as operand 1 constraint.
1566         * config/i386/predicates.md (call_insn_operand): Depend on
1567         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
1568
1569 2009-11-13  Jason Merrill  <jason@redhat.com>
1570
1571         PR debug/26965
1572         * dwarf2out.c (gen_variable_die): Don't worry about DECL_COMDAT.
1573         Don't emit a second declaration at any scope.
1574
1575 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
1576
1577         PR rtl-optimization/41697
1578         * sel-sched-ir.c (fallthru_bb_of_jump): Bail out when a block with
1579         a conditional jump has a single successor.
1580
1581 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
1582
1583         * sched-deps.c (init_deps): New parameter lazy_reg_last.  Don't
1584         allocate reg_last when in case lazy_reg_last is true.
1585         (init_deps_reg_last): New.
1586         (free_deps): When max_reg is 0, this context is already freed.
1587         * sched-int.h (init_deps_reg_last): Export.
1588         (init_deps): Update prototype.
1589         * sched-ebb.c (schedule_ebb): Update the call to init_deps.
1590         * sched-rgn.c (sched_rgn_compute_dependencies): Likewise.
1591         * ddg.c (build_intra_loop_deps): Likewise.
1592         * sel-sched-ir.c (copy_deps_context, create_deps_context,
1593         reset_deps_context, deps_init_id): Likewise.
1594         (init_first_time_insn_data): Lazy allocate INSN_DEPS_CONTEXT.
1595         (free_data_for_scheduled_insn): New, break down from ...
1596         (free_first_time_insn_data): ... here.
1597         (has_dependence_p): Allocate reg_last now, when it is needed.
1598         (extend_insn_data): When maximal LUID is big enough, allocate
1599         per-insn data in smaller chunks.
1600         * sel-sched-ir.h (free_data_for_scheduled_insn): Export.
1601         * sel-sched.c (update_seqnos_and_stage): Free INSN_DEPS_CONTEXT
1602         in scheduled insn.
1603
1604 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
1605
1606         * config/i386/i386.md (call_value): Fix comment.
1607         (sibcall_value): Ditto.
1608
1609 2009-11-13  Eric Botcazou  <ebotcazou@adacore.com>
1610
1611         * config/i386/linux-unwind.h (x86_frob_update_context): New function.
1612         (MD_FROB_UPDATE_CONTEXT): Define.
1613
1614 2009-11-12  Eric Botcazou  <ebotcazou@adacore.com>
1615             Laurent GUERBY  <laurent@guerby.net>
1616
1617         * config/sparc/linux-unwind.h (sparc64_fallback_frame_state): Tidy.
1618         Do not schedule an %sp restore.  Compensate for RETURN_ADDR_OFFSET.
1619         (sparc_fallback_frame_state): Tidy.  Compensate for RETURN_ADDR_OFFSET.
1620
1621 2009-11-12  Jan Hubicka  <jh@suse.cz>
1622
1623         * ipa.c (function_and_variable_visibility): Fix my accidentail commit
1624         and clear DECL_COMMON on localized declarations.
1625
1626 2009-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1627
1628         PR rtl-opt/38582
1629         * regrename.c (struct du_head): New structure; some elements moved
1630         from...
1631         (struct du_chain): ... this one.
1632         (open_chains, closed_chains): Now of type struct du_head *.
1633         (do_replace): Accept du_head argument, not du_chain.  All callers
1634         changed.  Modified code to match new data structures.
1635         (build_def_use): Return a list of du_head structures.  Modified code
1636         to match new data structures.
1637         (dump_def_use_chain): Accept du_head argument, not du_chain.  All
1638         callers changed.  Modified code to match new data structures.
1639         (merge_overlapping_regs): Accept du_head argument, not du_chain.  All
1640         callers changed.  Modified code to match new data structures.
1641         (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned.
1642         Allocate a du_head structure as well as a du_chain when creating a
1643         new chain.  Modified other code to match new data structures.
1644
1645 2009-11-12  Jan Hubicka  <jh@suse.cz>
1646
1647         * cgraph.h (varpool_node_name): Declare.
1648         * cgraphunit.c (process_function_and_variable_attributes): Set
1649         force_output flag on used variables.
1650         * ipa.c (function_and_variable_visibility): Dump externally visible
1651         and needed variables.
1652         * varpool.c (varpool_node_name): Export.
1653         (decide_is_variable_needed): Check COMDAT for externally visible vars;
1654         ignore needed flag.
1655
1656 2009-11-12  Uros Bizjak  <ubizjak@gmail.com>
1657
1658         PR middle-end/41930
1659         * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip
1660         processing if XEXP (x, i) is NULL.
1661
1662 2009-11-12  Jan Hubicka  <jh@suse.cz>
1663
1664         * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON
1665         imply PUBLIC || EXTERNAL.
1666
1667 2009-11-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
1668
1669         PR middle-end/41440
1670         * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
1671         single successor block, ending with jump created by RTL expander.
1672
1673 2009-11-11  Jan Hubicka  <jh@suse.cz>
1674
1675         PR middle-end/41729
1676         * ipa.c (function_and_variable_visibility): Do not privatize COMDAT
1677         and WEAK variables at -fwhole-program.
1678
1679         PR middle-end/41735
1680         * ipa.c (whole_program_function_and_variable_visility): COMDAT
1681         functions/variables are not needed even if they are externally visible.
1682
1683 2009-11-11  Jan Hubicka  <jh@suse.cz>
1684
1685         (patch by Richard Guenther)
1686         * lto-streamer-out.c (output_function): Output head of argument list
1687         earlier.
1688         * lto-streamer-in.c (input_function): Re-map arguments into merged
1689         declaration.
1690
1691 2009-11-11  Jan Hubicka  <jh@suse.cz>
1692
1693         * lto-cgraph.c: Include gcov-io.h
1694         (output_profile_summary): New function.
1695         (output_cgraph): Use it.
1696         (input_profile_summary): New function.
1697         (input_cgraph): Use it.
1698         * coverage.c (build_ctr_info_value): Use varpool; initalize
1699         DECL_ASSEMBLER_NAME.
1700         (create_coverage): Likewise.
1701         * tree-profile.c (tree_init_ic_make_global_vars): Likewise.
1702         (tree_init_edge_profiler): Likewise.
1703         * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
1704
1705 2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
1706
1707         * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
1708         * c-pragma.c (def_pragma_macro_value): Likewise.
1709         (def_pragma_macro): Likewise.
1710         (pushed_macro_table): Likewise.
1711         (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
1712         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
1713
1714 2009-11-11  Basile Starynkevitch  <basile@starynkevitch.net>
1715
1716         * doc/plugins.texi (Registering custom attributes): section
1717         renamed as (Registering custom attributes or pragmas).
1718         Mentions custom attributes & pragmas, and c_register_pragma, with
1719         a small example.
1720         * doc/cpp.texi (Pragmas): Mentions that plugins can provide their
1721         pragmas.
1722         * doc/extend.texi (Function Attributes): Mentions that plugin can
1723         provide their attributes.
1724
1725 2009-11-11  Jon Beniston  <jon@beniston.com>
1726
1727         * config.gcc: Add lm32 elf and uclinux targets.
1728         * config/lm32: New directory.
1729         * config/lm32/lm32.c: New file.
1730         * config/lm32/lm32.h: New file.
1731         * config/lm32/lm32.md: New file.
1732         * config/lm32/lm32.opt: New file.
1733         * config/lm32/lm32-protos.h: New file.
1734         * config/lm32/constraints.md: New file.
1735         * config/lm32/predicates.md: New file.
1736         * config/lm32/sfp-machine.h: New file.
1737         * config/lm32/t-fprules-softfp: New file.
1738         * config/lm32/uclinux-elf.h: New file.
1739         * doc/invoke.texi: Document lm32 options.
1740         * doc/contrib.texi: Document lm32 porter.
1741         * doc/install.texi: Document lm32 targets.
1742
1743 2009-11-11  Martin Jambor  <mjambor@suse.cz>
1744
1745         PR lto/41932
1746         * ipa-prop.c (ipa_update_after_lto_read): Call
1747         ipa_check_create_node_params and ipa_check_create_edge_args.  Also
1748         call ipa_initialize_node_params instead of ipa_populate_param_decls.
1749
1750 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1751
1752         * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New.
1753         (neon_expand_vector_init): Use them.  Also handle non-constant
1754         vectors with identical elements and vectors with only one
1755         non-constant element.
1756         (arm_print_operand): Handle 'y' modifier.
1757         * config/arm/arm-protos.h (neon_make_constant): Declare.
1758         * config/arm/neon.md (neon_vdup_n<mode>): Split into two
1759         patterns.  Use VX instead of VDQW for the first one.  Allow
1760         a VFP alternative and V32 modes for the second one.
1761         * config/arm/neon.ml (shape_elt): Add Alternatives.
1762         (ops): Use Alternatives for vdup lane instructions.
1763         * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives.
1764         * config/arm/vec-common.md (mov<mode>): Use neon_make_constant.
1765
1766 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1767
1768         * config/arm/neon.md (*neon_mov<mode>): Reject two non-register
1769         operands.
1770         (movti, mov<mode>): Call force_reg on one operand if required.
1771         * config/arm/vec-common.md (mov<mode>): Likewise.
1772
1773 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
1774
1775         * config/arm/arm.c (arm_override_options): Enable scheduling for
1776         Thumb-2.
1777
1778 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1779
1780         PR target/10127
1781         PR ada/20548
1782         * expr.h (anti_adjust_stack_and_probe): Declare.
1783         * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK
1784         parameter and rewrite head comment.
1785         (allocate_dynamic_stack_space): Adjust call to above function.
1786         * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP.
1787
1788         * tree.h (dwarf2out_args_size): Delete.
1789         * dwarf2out.c (dwarf2out_args_size): Make static and move around.
1790         (dwarf2out_args_size_adjust): Delete prototype and move around.
1791         (dwarf2out_frame_debug_expr): Do not record arg size adjustments for
1792         ACCUMULATE_OUTGOING_ARGS targets.
1793
1794 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1795
1796         * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
1797         DECL_SIZE of DECL_RESULT before evaluating it.
1798
1799 2009-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1800
1801         PR tree-optimization/41987
1802         * fold-const.c (const_binop): Avoid using fold_buildN().
1803
1804 2009-11-10  Martin Jambor  <mjambor@suse.cz>
1805
1806         * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field.
1807         (execute_all_ipa_stmt_fixups): Declare.
1808         * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value.
1809         * ipa-inline.c (pass_ipa_inline): Likewise.
1810         * ipa-pure-const.c (pass_ipa_pure_cons): Likewise.
1811         * ipa-reference.c (pass_ipa_reference): Likewise.
1812         * ipa.c (pass_ipa_whole_program_visibility): Likewise.
1813         * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise.
1814         (pass_ipa_lto_finish_out): Likewise.
1815         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise.
1816         * passes.c (execute_ipa_stmt_fixups): New function.
1817         (execute_all_ipa_stmt_fixups): New function.
1818         * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups.
1819
1820 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
1821
1822         PR ada/20548
1823         * explow.c (probe_stack_range): Fix typo.
1824         * config/sparc/sparc.md (probe_stack): New expander.
1825
1826 2009-11-09  Dave Korn  <dave.korn.cygwin@gmail.com>
1827
1828         * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.
1829
1830 2009-11-09  Jason Merrill  <jason@redhat.com>
1831
1832         * gdbinit.in (pgq): New function for printing gimple sequence.
1833
1834 2009-11-09  Paul Brook  <paul@codesourcery.com>
1835             Daniel Jacobowitz  <dan@codesourcery.com>
1836             Sandra Loosemore  <sandra@codesourcery.com>
1837
1838         * doc/extend.texi (Half-Precision): Update wording to reflect
1839         that there are now multiple -mfpu options that enable fp16
1840         hardware support.
1841         * doc/invoke.texi: Update list of ARM -mfpu= options.
1842         * config.gcc: Update ARM --with-fpu option list.
1843         * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16,
1844         vfpv3xd and vfpv3xd-fp16.
1845         (use_vfp_abi): New function.
1846         (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs
1847         when undesirable.
1848         (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate,
1849         aapcs_vfp_allocate_return_reg): Use use_vfp_abi.
1850         (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs,
1851         arm_9e_rtx_costs): Only expect double-precision operations if the FPU
1852         provides them.
1853         (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no
1854         NEON.
1855         (arm_print_operand): Handle 'p' modifier.
1856         (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if
1857         TARGET_FP16.
1858         * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define.
1859         (TARGET_FP16): Define.
1860         * config/arm/vfp.md: Disable double-precision patterns if the FPU
1861         does not provide them.
1862         (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move
1863         double-precision values on a single-precision FPU.
1864         (movdf_vfp, thumb2_movdf_vfp): Likewise.  Use "Dy" for
1865         double-precision constants.
1866         (movhf_vfp_neon): New pattern (was movhf_vfp).
1867         (movhf_vfp): Remove NEON instructions.
1868         * config/arm/constraints.md: Add new "Dy" constraint for
1869         double-precision constants.  Update description of "Dv".
1870         * config/arm/arm.md: Disable double-precision patterns if the FPU
1871         does not provide them
1872
1873 2009-11-09  Jakub Jelinek  <jakub@redhat.com>
1874
1875         * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting.
1876         (print_operand) <case 'Y'>: Likewise.  Fix a pasto in operand lossage
1877         diagnostics.
1878
1879 2009-11-08  H.J. Lu  <hongjiu.lu@intel.com>
1880
1881         * collect2.c (main): Search PLUGIN_LD for plugin linker.
1882
1883         * configure.ac (--with-plugin-ld): New.  Default to ld.
1884         * configure: Regenerated.
1885         * config.in: Likewise.
1886
1887         * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New.
1888         (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin.
1889
1890 2009-11-08  Jonathan Gray  <jsg@openbsd.org>
1891
1892         * config/openbsd-stdint.h: Change to reflect what
1893         c_common_nodes_and_builtins expects.
1894
1895 2009-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
1896
1897         * builtins.c (apply_args_reg_offset): Remove commented out delaration.
1898
1899 2009-11-08  Jakub Jelinek  <jakub@redhat.com>
1900
1901         PR target/41985
1902         * config/i386/i386.c (get_some_local_dynamic_name): Don't assert
1903         function contains at least one local dynamic name.
1904         (print_operand) <case '&'>: Instead output operand lossage diagnostics
1905         here if that happens.
1906
1907 2009-11-08  Zbigniew Chamski  <zbigniew.chamski@gmail.com>
1908             Joern Rennecke  <amylaar@spamcop.net>
1909
1910         * cfgrtl.c (pass_free_cfg): Add pass name.
1911         * cgraphbuild.c (pass_build_cgraph_edges): Likewise.
1912         (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise.
1913         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name.
1914         * df-core.c (pass_df_initialize_no_opt): Likewise.
1915         * except.c (pass_rtl_eh): Likewise.
1916         * function.c (pass_init_function, pass_leaf_regs): Likewise.
1917         * gcse.c (pass_rtl_pre): Change pass name.
1918         * passes.c (pass_postreload): Add pass name.
1919         (make_pass_instance): Don't use duplicate-tracking logic for
1920         names starting with '*'.
1921         (next_pass_1): Assert that pass has a name.
1922         (register_one_dump_file): If there is an space in the name,
1923         skip past it.
1924         * predict.c (pass_strip_predict_hints): Add pass name.
1925         * reg-stack.c (pass_stack_regs): Likewise.
1926         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
1927         * tree-cfg.c (pass_warn_function_return,
1928         pass_warn_function_noreturn): Add pass name.
1929         * tree-dfa.c (pass_referenced_vars): Likewise.
1930         * tree-optimize.c (pass_cleanup_cfg_post_optimizing):
1931         Fix whitespace before comment.
1932         (pass_fixup_cfg): Add pass name, fix whitespace before comment.
1933         (pass_init_datastructures): Add pass name.
1934         * tree-ssa-loop.c (pass_record_bounds): Likewise.
1935         * tree-ssa.c (pass_early_warn_uninitialized,
1936         pass_late_warn_uninitialized): Likewise.
1937         * tree.c (pass_ipa_free_lang_data): Likewise.
1938         * doc/passes.texi (pass manager): Document how to disambiguate
1939         pass names.
1940
1941 2009-11-08  Paolo Bonzini  <bonzini@gnu.org>
1942
1943         * df-problems.c: Fix documentation for forward simulation of LR.
1944         (df_simulate_one_insn_forwards): Use df_simulate_find_defs.
1945         (df_simulate_finalize_forwards): Remove.
1946         * df.h (df_simulate_finalize_forwards): Remove.
1947
1948 2009-11-08  Richard Guenther  <rguenther@suse.de>
1949
1950         * tree-ssa-structalias.c (build_succ_graph): Properly make
1951         variables escape if they are stored to anything.
1952
1953 2009-11-08  Richard Guenther  <rguenther@suse.de>
1954
1955         PR rtl-optimization/41928
1956         * loop-invariant.c (free_loop_data): If we didn't allocate
1957         loop data do not try to free it.
1958
1959 2009-11-07  Jason Merrill  <jason@redhat.com>
1960
1961         * tree.c (reconstruct_complex_type): Preserve attributes.
1962
1963 2009-11-07  Richard Guenther  <rguenther@suse.de>
1964
1965         * tree-ssa-structalias.c (build_succ_graph): Feed stores
1966         to anything only to variables that can take pointers.
1967         (get_constraint_for_ssa_var): Properly exclude full
1968         variables from expanding.
1969         (first_vi_for_offset): Avoid overflow in arithmetic.
1970         (first_or_preceding_vi_for_offset): Likewise.
1971         (count_num_arguments): Fix implementation.
1972         (gate_ipa_pta): Do not run when not optimizing.
1973
1974 2009-11-07  David Binderman <dcb314@hotmail.com>
1975
1976         * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi,
1977         expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some
1978         set but not used variables.
1979         (apply_args_reg_offset): Comment out as unused.
1980         * calls.c (flags_from_decl_or_type): Likewise.
1981         * genautomata.c (check_regexp_units_distribution): Likewise.
1982
1983 2009-11-07  Uros Bizjak  <ubizjak@gmail.com>
1984
1985         * config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd,
1986         xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql,
1987         *xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd,
1988         xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>,
1989         xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si,
1990         xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress
1991         operand alternatives.
1992
1993 2009-11-06  Michael Matz  <matz@suse.de>
1994
1995         PR middle-end/41963
1996         * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
1997         of a potential reciprocal to really be reciprocals.
1998
1999 2009-11-06  Jakub Jelinek  <jakub@redhat.com>
2000
2001         * config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and
2002         lwpintrin.h after immintrin.h.
2003         * config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove
2004         typedefs.
2005
2006         PR middle-end/41935
2007         * c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs
2008         or non-constant index, allow index one past the last element and
2009         allow exceeding array bound in arrays that might be used as flexible
2010         array members.
2011
2012 2009-11-05  Richard Henderson  <rth@redhat.com>
2013
2014         * config/i386/ia32intrin.h: Protect CRC32 builtins with __SSE4_2__.
2015
2016 2009-11-05  Paul Brook  <paul@codesourcery.com>
2017
2018         * config/arm/arm.c (arm_fp_model, arm_fpu_arch, arm_fpu_tune): Remove.
2019         (arm_fpu_desc): New.
2020         (all_fpus): Add FPU details.
2021         (fp_model_for_fpu): Remove.
2022         (arm_override_options): Set and use arm_fpu_desc and arm_fpu_attr.
2023         (arm_output_epilogue, arm_save_coproc_regs): Use TARGET_FPA_EMU2.
2024         (arm_file_start): Use arm_fpu_desc.
2025         * config/arm/arm.h (TARGET_FPA, TARGET_MAVERICK, TARGET_VFP,
2026         TARGET_VFPD32, TARGET_VFP3, TARGET_NEON_FP16, TARGET_NEON): Use
2027         arm_fpu_desc.
2028         (TARGET_FPA_EMU2): Define.
2029         (arm_fp_model, fputype, arm_fpu_tune): Remove.
2030         (vfp_reg_type, arm_fpu_desc): New.
2031         * config/arm/arm.md (attr fpu): Simplify.
2032         * config/arm/fpa.md (movxf_fpa): Use TARGET_FPA_EMU2.
2033         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Use string value.
2034         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Use string value.
2035         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Use string value.
2036         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Use string value.
2037
2038 2009-11-05  Michael Matz  <matz@suse.de>
2039
2040         * config/i386/i386.c (ix86_builtin_reciprocal): Remove dependency
2041         on TARGET_RECIP.
2042         * doc/invoke.texi (-mrecip): Clarify that we don't need -mrecip
2043         for 1/sqrtf.
2044
2045 2009-11-04  Jason Merrill  <jason@redhat.com>
2046
2047         PR c++/36912
2048         * varasm.c (initializer_constant_valid_p): A PLUS_EXPR
2049         or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
2050         (output_constant): Avoid crash after error.
2051
2052 2009-11-05  Martin Jambor  <mjambor@suse.cz>
2053
2054         * tree-sra.c (struct access): Changed comment of next_sibling field.
2055         (analyze_modified_params): Loop over accesses of a group rather than
2056         over all with the ame base, pass a common bitmap to
2057         walk_aliased_vdefs.
2058         (unmodified_by_ref_scalar_representative): Build link lists of
2059         accesses of a group.
2060         (splice_param_accesses): Likewise.
2061
2062 2009-11-04  Kenneth Zadeck  <zadeck@naturalbridge.com>
2063
2064         * df-scan.c (df-uses-record): Add case zero_extract of mem.
2065
2066 2009-11-04  Eric Botcazou  <ebotcazou@adacore.com>
2067
2068         PR target/10127
2069         PR ada/20548
2070         * config/i386/i386.md (probe_stack): New expander.
2071         (logical operation peepholes): Do not split stack checking probes.
2072
2073 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
2074             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2075
2076         * doc/invoke.texi (-mlwp): Add documentation.
2077         * doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
2078         * config.gcc (i[34567]86-*-*): Include lwpintrin.h.
2079         (x86_64-*-*): Ditto.
2080         * config/i386/lwpintrin.h: New file, provide x86 compiler
2081         intrinisics for LWP.
2082         * config/i386/cpuid.h (bit_LWP): Define LWP bit.
2083         * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
2084         * config/i386/i386-c.c (ix86_target_macros_internal): Check
2085         ISA_FLAG for LWP.
2086         * config/i386/i386.h (TARGET_LWP): New macro for LWP.
2087         * config/i386/i386.opt (-mlwp): New switch for LWP support.
2088         * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
2089         (OPTION_MASK_ISA_LWP_UNSET): New.
2090         (ix86_handle_option): Handle -mlwp.
2091         (isa_opts): Handle -mlwp.
2092         (enum pta_flags): Add PTA_LWP.
2093         (override_options): Add LWP support.
2094         (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
2095         (IX86_BUILTIN_LLWPCB32): Ditto.
2096         (IX86_BUILTIN_LLWPCB64): Ditto.
2097         (IX86_BUILTIN_SLWPCB16): Ditto.
2098         (IX86_BUILTIN_SLWPCB32): Ditto.
2099         (IX86_BUILTIN_SLWPCB64): Ditto.
2100         (IX86_BUILTIN_LWPVAL16): Ditto.
2101         (IX86_BUILTIN_LWPVAL32): Ditto.
2102         (IX86_BUILTIN_LWPVAL64): Ditto.
2103         (IX86_BUILTIN_LWPINS16): Ditto.
2104         (IX86_BUILTIN_LWPINS32): Ditto.
2105         (IX86_BUILTIN_LWPINS64): Ditto.
2106         (enum  ix86_special_builtin_type): Add LWP intrinsic support.
2107         (builtin_description): Ditto.
2108         (ix86_init_mmx_sse_builtins): Ditto.
2109         (ix86_expand_special_args_builtin): Ditto.
2110         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for
2111         LWP support.
2112         (UNSPEC_SLWP_INTRINSIC): Ditto.
2113         (UNSPECV_LWPVAL_INTRINSIC): Ditto.
2114         (UNSPECV_LWPINS_INTRINSIC): Ditto.
2115         (lwp_llwpcbhi1): New lwp pattern.
2116         (lwp_llwpcbsi1): Ditto.
2117         (lwp_llwpcbdi1): Ditto.
2118         (lwp_slwpcbhi1): Ditto.
2119         (lwp_slwpcbsi1): Ditto.
2120         (lwp_slwpcbdi1): Ditto.
2121         (lwp_lwpvalhi3): Ditto.
2122         (lwp_lwpvalsi3): Ditto.
2123         (lwp_lwpvaldi3): Ditto.
2124         (lwp_lwpinshi3): Ditto.
2125         (lwp_lwpinssi3): Ditto.
2126         (lwp_lwpinsdi3): Ditto.
2127
2128 2009-11-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2129             Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2130
2131         PR rtl-opt/41833
2132         * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
2133         a vec_duplicate.
2134
2135 2009-11-04  Richard Guenther  <rguenther@suse.de>
2136             Rafael Avila de Espindola  <espindola@google.com>
2137
2138         * gcc.c (process_command): Handle arguments name@offset.
2139
2140 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
2141             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2142
2143         * config.gcc (i[34567]86-*-*): Include xopintrin.h.
2144         (x86_64-*-*): Ditto.
2145         * config/i386/xopintrin.h: New file, provide common x86 compiler
2146         intrinisics for XOP.
2147         * config/i386/cpuid.h (bit_XOP): Define XOP bit.
2148         * config/i386/x86intrin.h: Add XOP check and xopintrin.h.
2149         * config/i386/i386-c.c(ix86_target_macros_internal): Check
2150         ISA_FLAG for XOP.
2151         * config/i386/i386.h(TARGET_XOP): New macro for XOP.
2152         * config/i386/i386.opt (-mxop): New switch for XOP support.
2153         * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
2154         (UNSPEC_XOP_TRUEFALSE)
2155         (UNSPEC_XOP_PERMUTE)
2156         (UNSPEC_FRCZ): Add new UNSPEC for XOP support.
2157         (PPERM_*): New constants for vpperm instruction.
2158         (xop_pcmov_<mode>): Add XOP conditional mov instructions.
2159         * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
2160         (OPTION_MASK_ISA_XOP_UNSET): New.
2161         (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
2162         (ix86_handle_option): Handle -mxop.
2163         (isa_opts): Handle -mxop.
2164         (enum pta_flags): Add PTA_XOP.
2165         (override_options): Add XOP support.
2166         (print_operand): Add code for XOP compare instructions.
2167         (ix86_expand_sse_movcc): Extend for XOP conditional move instruction.
2168         (ix86_expand_int_vcond): Extend for XOP compare instruction.
2169
2170         (IX86_BUILTIN_VPCMOV): New for XOP intrinsic.
2171         (IX86_BUILTIN_VPCMOV_V2DI): Ditto.
2172         (IX86_BUILTIN_VPCMOV_V4SI): Ditto.
2173         (IX86_BUILTIN_VPCMOV_V8HI): Ditto.
2174         (IX86_BUILTIN_VPCMOV_V16QI): Ditto.
2175         (IX86_BUILTIN_VPCMOV_V4SF): Ditto.
2176         (IX86_BUILTIN_VPCMOV_V2DF): Ditto.
2177
2178         (IX86_BUILTIN_VPCMOV256): Ditto.
2179         (IX86_BUILTIN_VPCMOV_V4DI256): Ditto.
2180         (IX86_BUILTIN_VPCMOV_V8SI256): Ditto.
2181         (IX86_BUILTIN_VPCMOV_V16HI256): Ditto.
2182         (IX86_BUILTIN_VPCMOV_V32QI256): Ditto.
2183         (IX86_BUILTIN_VPCMOV_V8SF256): Ditto.
2184         (IX86_BUILTIN_VPCMOV_V4DF256): Ditto.
2185
2186         (IX86_BUILTIN_VPPERM): Ditto.
2187
2188         (IX86_BUILTIN_VPMACSSWW): Ditto.
2189         (IX86_BUILTIN_VPMACSWW): Ditto.
2190         (IX86_BUILTIN_VPMACSSWD): Ditto.
2191         (IX86_BUILTIN_VPMACSWD): Ditto.
2192         (IX86_BUILTIN_VPMACSSDD): Ditto.
2193         (IX86_BUILTIN_VPMACSDD): Ditto.
2194         (IX86_BUILTIN_VPMACSSDQL): Ditto.
2195         (IX86_BUILTIN_VPMACSSDQH): Ditto.
2196         (IX86_BUILTIN_VPMACSDQL): Ditto.
2197         (IX86_BUILTIN_VPMACSDQH): Ditto.
2198         (IX86_BUILTIN_VPMADCSSWD): Ditto.
2199         (IX86_BUILTIN_VPMADCSWD): Ditto.
2200
2201         (IX86_BUILTIN_VPHADDBW): Ditto.
2202         (IX86_BUILTIN_VPHADDBD): Ditto.
2203         (IX86_BUILTIN_VPHADDBQ): Ditto.
2204         (IX86_BUILTIN_VPHADDWD): Ditto.
2205         (IX86_BUILTIN_VPHADDWQ): Ditto.
2206         (IX86_BUILTIN_VPHADDDQ): Ditto.
2207         (IX86_BUILTIN_VPHADDUBW): Ditto.
2208         (IX86_BUILTIN_VPHADDUBD): Ditto.
2209         (IX86_BUILTIN_VPHADDUBQ): Ditto.
2210         (IX86_BUILTIN_VPHADDUWD): Ditto.
2211         (IX86_BUILTIN_VPHADDUWQ): Ditto.
2212         (IX86_BUILTIN_VPHADDUDQ): Ditto.
2213         (IX86_BUILTIN_VPHSUBBW): Ditto.
2214         (IX86_BUILTIN_VPHSUBWD): Ditto.
2215         (IX86_BUILTIN_VPHSUBDQ): Ditto.
2216
2217         (IX86_BUILTIN_VPROTB): Ditto.
2218         (IX86_BUILTIN_VPROTW): Ditto.
2219         (IX86_BUILTIN_VPROTD): Ditto.
2220         (IX86_BUILTIN_VPROTQ): Ditto.
2221         (IX86_BUILTIN_VPROTB_IMM): Ditto.
2222         (IX86_BUILTIN_VPROTW_IMM): Ditto.
2223         (IX86_BUILTIN_VPROTD_IMM): Ditto.
2224         (IX86_BUILTIN_VPROTQ_IMM): Ditto.
2225
2226         (IX86_BUILTIN_VPSHLB): Ditto.
2227         (IX86_BUILTIN_VPSHLW): Ditto.
2228         (IX86_BUILTIN_VPSHLD): Ditto.
2229         (IX86_BUILTIN_VPSHLQ): Ditto.
2230         (IX86_BUILTIN_VPSHAB): Ditto.
2231         (IX86_BUILTIN_VPSHAW): Ditto.
2232         (IX86_BUILTIN_VPSHAD): Ditto.
2233         (IX86_BUILTIN_VPSHAQ): Ditto.
2234
2235         (IX86_BUILTIN_VFRCZSS): Ditto.
2236         (IX86_BUILTIN_VFRCZSD): Ditto.
2237         (IX86_BUILTIN_VFRCZPS): Ditto.
2238         (IX86_BUILTIN_VFRCZPD): Ditto.
2239         (IX86_BUILTIN_VFRCZPS256): Ditto.
2240         (IX86_BUILTIN_VFRCZPD256): Ditto.
2241
2242         (IX86_BUILTIN_VPCOMEQUB): Ditto.
2243         (IX86_BUILTIN_VPCOMNEUB): Ditto.
2244         (IX86_BUILTIN_VPCOMLTUB): Ditto.
2245         (IX86_BUILTIN_VPCOMLEUB): Ditto.
2246         (IX86_BUILTIN_VPCOMGTUB): Ditto.
2247         (IX86_BUILTIN_VPCOMGEUB): Ditto.
2248         (IX86_BUILTIN_VPCOMFALSEUB): Ditto.
2249         (IX86_BUILTIN_VPCOMTRUEUB): Ditto.
2250
2251         (IX86_BUILTIN_VPCOMEQUW): Ditto.
2252         (IX86_BUILTIN_VPCOMNEUW): Ditto.
2253         (IX86_BUILTIN_VPCOMLTUW): Ditto.
2254         (IX86_BUILTIN_VPCOMLEUW): Ditto.
2255         (IX86_BUILTIN_VPCOMGTUW): Ditto.
2256         (IX86_BUILTIN_VPCOMGEUW): Ditto.
2257         (IX86_BUILTIN_VPCOMFALSEUW): Ditto.
2258         (IX86_BUILTIN_VPCOMTRUEUW): Ditto.
2259
2260         (IX86_BUILTIN_VPCOMEQUD): Ditto.
2261         (IX86_BUILTIN_VPCOMNEUD): Ditto.
2262         (IX86_BUILTIN_VPCOMLTUD): Ditto.
2263         (IX86_BUILTIN_VPCOMLEUD): Ditto.
2264         (IX86_BUILTIN_VPCOMGTUD): Ditto.
2265         (IX86_BUILTIN_VPCOMGEUD): Ditto.
2266         (IX86_BUILTIN_VPCOMFALSEUD): Ditto.
2267         (IX86_BUILTIN_VPCOMTRUEUD): Ditto.
2268
2269         (IX86_BUILTIN_VPCOMEQUQ): Ditto.
2270         (IX86_BUILTIN_VPCOMNEUQ): Ditto.
2271         (IX86_BUILTIN_VPCOMLTUQ): Ditto.
2272         (IX86_BUILTIN_VPCOMLEUQ): Ditto.
2273         (IX86_BUILTIN_VPCOMGTUQ): Ditto.
2274         (IX86_BUILTIN_VPCOMGEUQ): Ditto.
2275         (IX86_BUILTIN_VPCOMFALSEUQ): Ditto.
2276         (IX86_BUILTIN_VPCOMTRUEUQ): Ditto.
2277
2278         (IX86_BUILTIN_VPCOMEQB): Ditto.
2279         (IX86_BUILTIN_VPCOMNEB): Ditto.
2280         (IX86_BUILTIN_VPCOMLTB): Ditto.
2281         (IX86_BUILTIN_VPCOMLEB): Ditto.
2282         (IX86_BUILTIN_VPCOMGTB): Ditto.
2283         (IX86_BUILTIN_VPCOMGEB): Ditto.
2284         (IX86_BUILTIN_VPCOMFALSEB): Ditto.
2285         (IX86_BUILTIN_VPCOMTRUEB): Ditto.
2286
2287         (IX86_BUILTIN_VPCOMEQW): Ditto.
2288         (IX86_BUILTIN_VPCOMNEW): Ditto.
2289         (IX86_BUILTIN_VPCOMLTW): Ditto.
2290         (IX86_BUILTIN_VPCOMLEW): Ditto.
2291         (IX86_BUILTIN_VPCOMGTW): Ditto.
2292         (IX86_BUILTIN_VPCOMGEW): Ditto.
2293         (IX86_BUILTIN_VPCOMFALSEW): Ditto.
2294         (IX86_BUILTIN_VPCOMTRUEW): Ditto.
2295
2296         (IX86_BUILTIN_VPCOMEQD): Ditto.
2297         (IX86_BUILTIN_VPCOMNED): Ditto.
2298         (IX86_BUILTIN_VPCOMLTD): Ditto.
2299         (IX86_BUILTIN_VPCOMLED): Ditto.
2300         (IX86_BUILTIN_VPCOMGTD): Ditto.
2301         (IX86_BUILTIN_VPCOMGED): Ditto.
2302         (IX86_BUILTIN_VPCOMFALSED): Ditto.
2303         (IX86_BUILTIN_VPCOMTRUED): Ditto.
2304
2305         (IX86_BUILTIN_VPCOMEQQ): Ditto.
2306         (IX86_BUILTIN_VPCOMNEQ): Ditto.
2307         (IX86_BUILTIN_VPCOMLTQ): Ditto.
2308         (IX86_BUILTIN_VPCOMLEQ): Ditto.
2309         (IX86_BUILTIN_VPCOMGTQ): Ditto.
2310         (IX86_BUILTIN_VPCOMGEQ): Ditto.
2311         (IX86_BUILTIN_VPCOMFALSEQ): Ditto.
2312         (IX86_BUILTIN_VPCOMTRUEQ): Ditto.
2313
2314         (enum multi_arg_type): New enum for describing the various XOP
2315         intrinsic argument types.
2316         (bdesc_multi_arg): New table for XOP intrinsics.
2317         (ix86_init_mmx_sse_builtins): Add XOP intrinsic support.
2318         (ix86_expand_multi_arg_builtin): New function for creating XOP
2319         intrinsics.
2320
2321         * config/i386/sse.md (sserotatemax): New mode attribute for XOP.
2322         (xop_pmacsww): Ditto.
2323         (xop_pmacssww): Ditto.
2324         (xop_pmacsdd): Ditto.
2325         (xop_pmacssdd): Ditto.
2326         (xop_pmacssdql): Ditto.
2327         (xop_pmacssdqh): Ditto.
2328         (xop_pmacsdql): Ditto.
2329         (xop_pmacsdql_mem): Ditto.
2330         (xop_mulv2div2di3_low): Ditto.
2331         (xop_pmacsdqh): Ditto.
2332         (xop_pmacsdqh_mem): Ditto.
2333         (xop_mulv2div2di3_high): Ditto.
2334         (xop_pmacsswd): Ditto.
2335         (xop_pmacswd): Ditto.
2336         (xop_pmadcsswd): Ditto.
2337         (xop_pmadcswd): Ditto.
2338         (xop_pcmov_<mode>): Ditto.
2339         (xop_pcmov_<mode>256): Ditto.
2340         (xop_phaddbw): Ditto.
2341         (xop_phaddbd): Ditto.
2342         (xop_phaddbq): Ditto.
2343         (xop_phaddwd): Ditto.
2344         (xop_phaddwq): Ditto.
2345         (xop_phadddq): Ditto.
2346         (xop_phaddubw): Ditto.
2347         (xop_phaddubd): Ditto.
2348         (xop_phaddubq): Ditto.
2349         (xop_phadduwd): Ditto.
2350         (xop_phadduwq): Ditto.
2351         (xop_phaddudq): Ditto.
2352         (xop_phsubbw): Ditto.
2353         (xop_phsubwd): Ditto.
2354         (xop_phsubdq): Ditto.
2355         (xop_pperm): Ditto.
2356         (rotl<mode>3): Ditto.
2357         (rotr<mode>3): Ditto.
2358         (xop_rotl<mode>3): Ditto.
2359         (xop_rotr<mode>3): Ditto.
2360         (vrotr<mode>3): Ditto.
2361         (vrotl<mode>3): Ditto.
2362         (xop_vrotl<mode>3): Ditto.
2363         (vlshr<mode>3): Ditto.
2364         (vashr<mode>3): Ditto.
2365         (vashl<mode>3
2366         (xop_ashl<mode>3): Ditto.
2367         (xop_lshl<mode>3): Ditto.
2368         (ashlv16qi3): Ditto.
2369         (lshlv16qi3): Ditto.
2370         (ashrv16qi3): Ditto.
2371         (ashrv2di3): Ditto.
2372         (xop_frcz<mode>2): Ditto.
2373         (xop_vmfrcz<mode>2): Ditto.
2374         (xop_frcz<mode>2256): Ditto.
2375         (xop_maskcmp<mode>3): Ditto.
2376         (xop_maskcmp_uns<mode>3): Ditto.
2377         (xop_maskcmp_uns2<mode>3): Ditto.
2378         (xop_pcom_tf<mode>3): Ditto.
2379
2380         * doc/invoke.texi (-mxop): Add documentation.
2381         * doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
2382
2383 2009-11-03  Mark Mitchell  <mark@codesourcery.com>
2384
2385         PR driver/11810
2386         * gcc.c (SWITCHES_NEED_SPACES): Define to "o".
2387         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Remove here.
2388         * config/mips/iris.h (SWITCHES_NEED_SPACES): Remove here.
2389
2390 2009-11-04  Richard Earnshaw  <rearnsha@arm.com>
2391
2392         PR target/40835
2393         * arm.md (peephole2 patterns for move and compare): New.
2394
2395 2009-11-04  Nick Clifton  <nickc@redhat.com>
2396
2397         * defaults.h (CONSTANT_ADDRESS_P): Provide a default definition.
2398         Make sure that it does not allow CONST_DOUBLEs.
2399         * doc/tm.texi (CONSTANT_ADDRESS_P): Update description.
2400         * config/avr/avr.h (CONSTANT_ADDRESS_P): Delete.
2401         * config/bfin/bfin.h (CONSTANT_ADDRESS_P): Delete.
2402         * config/cris/cris.h (CONSTANT_ADDRESS_P): Delete.
2403         * config/fr30/fr30.h (CONSTANT_ADDRESS_P): Delete.
2404         * config/frv/frv.h (CONSTANT_ADDRESS_P): Delete.
2405         * config/m32c/m32c.h (CONSTANT_ADDRESS_P): Delete.
2406         * config/m68hc11/m68hc11.h (CONSTANT_ADDRESS_P): Delete.
2407         * config/mep/mep.h (CONSTANT_ADDRESS_P): Delete.
2408         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Delete.
2409         * config/moxie/moxie.h (CONSTANT_ADDRESS_P): Delete.
2410         * config/pdp11/pdp11.h (CONSTANT_ADDRESS_P): Delete.
2411         * config/picochip/picochip.h (CONSTANT_ADDRESS_P): Delete.
2412         * config/score/score.h (CONSTANT_ADDRESS_P): Delete.
2413         * config/stormy16/stormy16.h (CONSTANT_ADDRESS_P): Delete.
2414
2415 2009-11-04  Richard Guenther  <rguenther@suse.de>
2416
2417         PR tree-optimization/41919
2418         * tree-vrp.c (test_for_singularity): Properly compare values.
2419
2420 2009-11-04  Revital Eres  <eres@il.ibm.com>
2421
2422         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
2423         Consider peeling for alignment only for stores and remove
2424         redundant assignment.
2425
2426 2009-11-04  Maxim Kuvyrkov  <maxim@codesourcery.com>
2427
2428         PR target/41302
2429         * config/m68k/m68k.c (m68k_reg_present_p): New static function.
2430         (m68k_ok_for_sibcall_p): Handle different result return locations.
2431
2432 2009-11-04  Richard Guenther  <rguenther@suse.de>
2433
2434         * c-opts.c (c_common_post_options): Move LTO option processing
2435         code ...
2436         * opts.c (decode_options): ... here.
2437
2438 2009-11-04  Jakub Jelinek  <jakub@redhat.com>
2439
2440         * c-common.c (fold_offsetof_1): Use %wd instead of
2441         HOST_WIDE_INT_PRINT_DEC.
2442
2443 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
2444
2445         * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define
2446         __pic__ or __PIC__.
2447
2448 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
2449
2450         * config.gcc (vax-*-linux*): Keep the original contents of
2451         tmake_file while adding vax/t-linux.
2452
2453 2009-11-03  Eric Botcazou  <ebotcazou@adacore.com>
2454
2455         PR target/10127
2456         PR ada/20548
2457         * expr.h (STACK_CHECK_PROBE_INTERVAL): Delete.
2458         (STACK_CHECK_PROBE_INTERVAL_EXP): New macro.
2459         (STACK_CHECK_MOVING_SP): Likewise.
2460         * system.h (STACK_CHECK_PROBE_INTERVAL): Poison it.
2461         * doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL.
2462         Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP.
2463         * doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK.
2464         Document PROBE_STACK.
2465         * explow.c (anti_adjust_stack_and_probe): New function.
2466         (allocate_dynamic_stack_space): Do not directly allocate space if
2467         STACK_CHECK_MOVING_SP, instead invoke above function.
2468         (emit_stack_probe): Handle probe_stack insn.
2469         (PROBE_INTERVAL): New macro.
2470         (STACK_GROW_OPTAB): Likewise.
2471         (STACK_GROW_OFF): Likewise.
2472         (probe_stack_range): Use Pmode and memory_address consistently.  Fix
2473         loop condition in the small constant case.  Rewrite in the general
2474         case to be immune to wraparounds.  Make sure the address of probes
2475         is valid.  Try to use [base + disp] addressing mode if possible.
2476         * ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack
2477         checking is enabled and STACK_CHECK_MOVING_SP.
2478         * rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled,
2479         return 1 for volatile references to the stack pointer.
2480         * tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on
2481         __builtin_alloca if stack checking is enabled.
2482         * unwind-dw2.c (uw_identify_context): Take into account whether the
2483         context is that of a signal frame or not.
2484         * config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1.
2485         * config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise.
2486
2487 2009-11-03  Jakub Jelinek  <jakub@redhat.com>
2488
2489         PR rtl-optimization/41917
2490         * rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
2491         operand isn't known to be 0, return 1.
2492
2493 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
2494
2495         * config/mips/mips.md: Fix typos.
2496
2497 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
2498
2499         * doc/invoke.texi: Fix typo.
2500
2501 2009-11-03  Paul Brook  <paul@codesourcery.com>
2502
2503         * config/arm/neon.ml (vectype): Add T_floatSF.
2504         (string_of_vectype): Ditto.
2505         * config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
2506         (deftypes): Use float for float32_t.
2507         * config/arm/arm_neon.h: Regenerate.
2508
2509 2009-11-03  Nick Clifton  <nickc@redhat.com>
2510             Kevin Buettner  <kevinb@redhat.com>
2511
2512         * config/rx/predicates.md (rx_store_multiple_vector): Reverse
2513         order of expected registers.
2514         (rx_load_multiple_vector): Likewise.
2515         (rx_rtsd_vector): Likewise.
2516         * config/rx/rx.c (rx_cpu_type): New variable.
2517         (rx_print_operand): Fix bug printing 64-bit constant values.
2518         (rx_emit_stack_pushm): Reverse order of pushed registers.
2519         (gen_rx_store_vector): Likewise.
2520         (is_fast_interrupt_func): Only accept "fast_interrupt" as the
2521         attribute name.
2522         (is_exception_func): Rename to is_interrupt_func and only accept
2523         "interrupt" as the attribute name.
2524         (rx_get_stack_layout): Use new function name.
2525         (rx_func_attr_inlinable): Likewise.
2526         (rx_attribute_table): Remove "exception".
2527         (rx_expand_prologue): If necessary push the accumulator register
2528         in the prologue of interrupt functions.
2529         (rx_expand_epilogue): If necessary pop the accumulator.
2530         (rx_builtins): Add RX_BUILTIN_MVTIPL.
2531         (rx_expand_builtin_stz): Remove.
2532         (rx_expand_builtin_mvtipl): New function.
2533         (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
2534         (rx_expand_builtin): Likewise.
2535         (rx_enable_fpu): New variable.
2536         (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
2537         * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
2538         on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
2539         (enum rx_cpu_types): Define.
2540         (ASM_SPEC): Pass -m32bit-doubles on to assembler.
2541         (INCOMING_FRAME_SP_OFFSET): Define.
2542         (ARG_POINTER_CFA_OFFSET): Define.
2543         (FRAME_POINTER_CFA_OFFSET): Define.
2544         (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
2545         (ALLOW_RX_FPU_INSNS): Define.
2546         * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
2547         fast_math_flags_set_p.
2548         (UNSPEC_BUILTIN_MVTIPL): Define.
2549         (revl): Rename to bswapsi2.
2550         (bswaphi2): New pattern.
2551         (mvtachi): Mark as volatile because it uses a register unknown to GCC.
2552         (mvtaclo): Likewise.
2553         (racw): Likewise.
2554         (mvtc): Remove clobber of cc0.
2555         (mvtcp): Delete.
2556         (opecp): Delete.
2557         * config/rx/rx.opt (mieee): Remove.
2558         (fpu): Add.
2559         (nofpu): Add.
2560         (mcpu=): Add.
2561         (patch=): Add.
2562         (msave-acc-in-interrupts): Add.
2563         * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles.
2564         (MULTILIB_DIRS): Likewise.
2565         (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
2566         * doc/extend.texi: Remove description of "exception" function
2567         attribute.
2568         * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
2569         -msave-acc-in-interrupts options.
2570
2571 2009-11-03  Richard Guenther  <rguenther@suse.de>
2572
2573         * c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.
2574
2575 2009-11-03  Dodji Seketeli  <dodji@redhat.com>
2576
2577         PR c++/38699
2578         * c-common.c (fold_offsetof_1): Issue errors when the member
2579         designator of the offsetof expression is not legitimate.
2580
2581 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
2582
2583         * config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
2584         names instead of numerical constants.
2585         (sse_prologue_save): Ditto.
2586         (*sse_prologue_save_insn): Ditto.
2587
2588 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
2589
2590         PR target/41900
2591         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
2592         (TARGET_CALL_ESP): New define.
2593         * config/i386/i386.c (initial_ix86_tune_features): Initialize
2594         X86_ARCH_CALL_ESP.
2595         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
2596         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
2597         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
2598         TARGET_CALL_ESP.
2599         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
2600         New patterns, use "lsm" as operand 1 constraint.
2601         * config/i386/predicates.md (call_insn_operand): Depend on
2602         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
2603
2604 2009-11-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2605
2606         PR tree-optimization/41857
2607         * tree-flow.h (rewrite_use_address): Add BASE_HINT argument.
2608         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass base hint
2609         to create_mem_ref.
2610         * tree-ssa-address.c (move_hint_to_base): New function.
2611         (most_expensive_mult_to_index): Add TYPE argument.  Use mode and
2612         address space associated with TYPE.
2613         (addr_to_parts): Add TYPE and BASE_HINT arguments.  Pass TYPE to
2614         most_expensive_mult_to_index.  Call move_hint_to_base.
2615         (create_mem_ref): Add BASE_HINT argument.  Pass BASE_HINT and
2616         TYPE to addr_to_parts.
2617
2618 2009-11-02  Martin Jambor  <mjambor@suse.cz>
2619
2620         PR tree-optimization/41750
2621         * tree-sra.c (analyze_modified_params): Loop over all
2622         representatives of components of a parameter.
2623
2624 2009-11-02  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR tree-optimization/41841
2627         * ipa-struct-reorg.c (build_data_structure): Don't attempt to look at
2628         local variables of not yet materialized clones.
2629
2630         PR debug/41893
2631         * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
2632         for a VOIDmode variable.
2633
2634         PR c++/41774
2635         * c-pragma.c (visstack): Change into vector of ints rather than
2636         enum symbol_visibility.
2637         (push_visibility): Add kind argument, push default_visibility together
2638         with kind.
2639         (pop_visibility): Add kind argument, return true if successful, fail
2640         if visibility stack is empty or if stack top is of different kind.
2641         (handle_pragma_visibility): Don't check length of visstack, instead
2642         call pop_visibility and issue diagnostics if it failed.  Pass 0
2643         as last argument to push_visibility and pop_visibility.
2644         * c-pragma.h (push_visibility): Add kind argument.
2645         (pop_visibility): Likewise.  Return bool instead of void.
2646
2647 2009-11-01  Eric Botcazou  <ebotcazou@adacore.com>
2648
2649         * tree.def (TARGET_MEM_REF): Update comment.
2650         * alias.c (get_alias_set): Retrieve the original memory reference for
2651         a TARGET_MEM_REF before proceeding.
2652
2653 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
2654
2655         * config/frv/frv.c (frv_function_value, frv_libcall_value,
2656         frv_function_value_regno_p): New functions.
2657         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2658         * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
2659         (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p.
2660         * config/frv/frv-protos.h (frv_function_value_regno_p): Declare.
2661
2662 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
2663
2664         * config/mn10300/mn10300.c (mn10300_function_value): Make static, add
2665         new 'outgoing' argument.
2666         (mn10300_libcall_value, mn10300_function_value_regno_p): New functions.
2667         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2668         * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
2669         LIBCALL_VALUE): Remove.
2670         (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p.
2671         * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove.
2672         (mh10300_function_value_regno_p): Declare.
2673
2674 2009-10-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2675
2676         * config/arm/cortex-a9.md: New - integer pipeline description.
2677
2678 2009-10-31  Eric Botcazou  <ebotcazou@adacore.com>
2679
2680         * tree-ssa-sccvn.c (vn_reference_lookup_3): Bail out instead of
2681         aborting if the sizes of the two references don't match.
2682
2683 2009-10-31  Toon Moene  <toon@moene.org>
2684
2685         * ipa-inline.c (cgraph_decide_inlining):
2686         Include reason for not inlining called-once functions in dump file.
2687
2688 2009-10-30  Daniel Gutson  <dgutson@codesourcery.com>
2689
2690         * config/arm/linux-eabi.h (LINK_SPEC): BE8_LINK_SPEC added.
2691         * config/arm/bpapi.h (BE8_LINK_SPEC): New define.
2692         (LINK_SPEC): BE_LINK_SPEC added.
2693
2694 2009-10-30  Richard Guenther  <rguenther@suse.de>
2695
2696         PR lto/41858
2697         * lto-streamer.h (struct lto_file_decl_data): Remove fd member.
2698
2699 2009-10-30  Nathan Sidwell  <nathan@codesourcery.com>
2700
2701         * target-def.h (TARGET_ASM_TTYPE): Correct typo of TARGET_ARM_TTYPE.
2702         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): Remove unused
2703         label.
2704
2705 2009-10-30  Martin Jambor  <mjambor@suse.cz>
2706
2707         * tree-sra.c (build_ref_for_offset_1): Remove a comment.
2708
2709 2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>
2710
2711         PR target/40838
2712         * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
2713         first.  Move assert on stack_alignment_estimated just before
2714         setting stack_realign_needed.
2715         (gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
2716         Don't call update_stack_boundary.
2717
2718         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
2719         (verride_options): Don't check ix86_force_align_arg_pointer here.
2720         (ix86_function_ok_for_sibcall): Use it.
2721         (ix86_update_stack_boundary): Likewise.
2722
2723         * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.
2724
2725 2009-10-30  Richard Earnshaw  <rearnsha@arm.com>
2726
2727         * arm.md (QHSI): New mode iterator.
2728         (movqi): If generating for thumb, then truncate any immediate to
2729         8 bits.
2730         * thumb2.md (thumb2_movsi_shortim and peephole2 generator): Replace
2731         with...
2732         (thumb2_mov<mode>_shortim and peephole2 generator): ... iterator based
2733         version.
2734
2735 2009-10-29  Cary Coutant  <ccoutant@google.com>
2736
2737         PR debug/41700
2738         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hook (two
2739         locations in the source).
2740         (store_vcall_insn): New function.
2741         (lookup_vcall_insn): New function.
2742         (dwarf2out_virtual_call_token): Use store_vcall_insn.
2743         (dwarf2out_copy_call_info): New function.
2744         (dwarf2out_virtual_call): Use lookup_vcall_insn.
2745         * emit-rtl.c (try_split): Call copy_call_info debug hook.
2746         * debug.h (struct gcc_debug_hooks): Add copy_call_info hook.
2747         * debug.c (do_nothing_debug_hooks): Add dummy entry for new hook.
2748         (debug_nothing_rtx_rtx): New dummy hook.
2749         * dbxout.c (dbx_debug_hooks): Add dummy entry for new hook.
2750         (xcoff_debug_hooks): Likewise.
2751         * sdbout.c (sdb_debug_hooks): Likewise.
2752         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
2753
2754 2009-10-29  David Daney  <ddaney@caviumnetworks.com>
2755
2756         * doc/invoke.texi (mmcount-ra-address): Document new command line
2757         option.
2758         * config/mips/mips.opt (mmcount-ra-address): New option.
2759         * config/mips/mips-protos.h (mips_function_profiler): Declare new
2760         function.
2761         * config/mips/mips.c (struct mips_frame_info): Add ra_fp_offset
2762         member.
2763         (mips_for_each_saved_gpr_and_fpr): Set ra_fp_offset.
2764         (mips_function_profiler): Moved from FUNCTION_PROFILER, and
2765         rewritten.
2766         * config/mips/mips.h (FUNCTION_PROFILER): Body of macro moved to
2767         mips_function_profiler.
2768
2769 2009-10-29  Steve Ellcey  <sje@cup.hp.com>
2770
2771         PR middle-end/37565
2772         PR target/38018
2773         * doc/tm.texi (OVERRIDE_OPTIONS): Update.
2774         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
2775         * optc-gen.awk (cl_target_option_restore): Include call to
2776         targetm.override_options_after_change.
2777         * target-def.h (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
2778         * target.h (override_options_after_change): New.
2779         * c-common.c (parse_optimize_options): Call
2780         targetm.override_options_after_change.
2781         * config/ia64/ia64.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
2782         (ia64_override_options_after_change): New.
2783         (ia64_override_options) Add call to above.
2784
2785 2009-10-29  Michael Matz  <matz@suse.de>
2786
2787         * tree-ssa-math-opts.c (execute_convert_to_rsqrt): Remove.
2788         (gate_convert_to_rsqrt): Ditto.
2789         (pass_convert_to_rsqrt): Ditto.
2790         * tree-pass.h (pass_convert_to_rsqrt): Don't declare.
2791         * passes.c (init_optimization_passes): Don't add pass_convert_to_rsqrt
2792         to pass list.
2793
2794         * config/i386/i386.c (ix86_emit_swdivsf): Change evaluation order.
2795
2796 2009-10-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2797
2798         * config/arm/arm.c (find_best_start): Fix type of remainder to be
2799         unsigned.
2800
2801 2009-10-29  Martin Jambor  <mjambor@suse.cz>
2802
2803         PR tree-optimization/41775
2804         * tree-sra.c (build_ref_for_offset): Unshare *expr if not NULL.
2805         (generate_subtree_copies): Do not unshare agg.
2806         (load_assign_lhs_subreplacements): Do not unshare rhs.
2807         (sra_modify_assign): Do not unshare exprs.
2808         (propagate_subacesses_accross_link): Renamed to
2809         propagate_subaccesses_across_link.
2810
2811 2009-10-29  Richard Earnshaw  <rearnsha@arm.com>
2812
2813         * arm.c (count_insns_for_constant): Rework to support counting for
2814         thumb2 immediates as well.
2815         (find_best_start): Split out from arm_gen_constant.
2816         (arm_gen_constant): Rework to support XOR with immediate.
2817
2818 2009-10-29  Chao-ying Fu  <fu@mips.com>
2819
2820         * config/mips/mips.c (mips_emit_unary, mips_force_unary): New
2821         functions.
2822         (mips_expand_synci_loop):  Use the length rtx to control the
2823         synci loop from the begin rtx that points to the first byte of
2824         the cache line.
2825
2826 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
2827
2828         * doc/invoke.texi: Rename -use-linker-plugin -fuse-linker-plugin.
2829
2830 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
2831
2832         * dbxout.c (dbxout_common_check): Accept non public trees.
2833         * dwarf2out.c (fortran_common): Accept non public trees.
2834
2835 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
2836
2837         * common.opt (fuse-linker-plugin): New option.
2838         * gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
2839         fuse-linker-plugin.
2840         * opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
2841
2842 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
2843
2844         PR rtl-optimization/39715
2845         * config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1.
2846         (gen_cstoresi_ltu_thumb1): New splitter.
2847
2848 2009-10-28  Richard Guenther  <rguenther@suse.de>
2849
2850         PR lto/41808
2851         PR lto/41839
2852         * tree-ssa.c (useless_type_conversion_p): Do not treat
2853         conversions to pointers to incomplete types as useless.
2854         * gimple.c (gimple_types_compatible_p): Compare struct tags,
2855         not typedef names.
2856
2857 2009-10-28  Jakub Jelinek  <jakub@redhat.com>
2858
2859         * var-tracking.c (emit_note_insn_var_location): Don't call the second
2860         vt_expand_loc unnecessarily when location is not a register nor
2861         memory.
2862
2863         PR middle-end/41837
2864         * ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
2865         fields don't have DECL_NAME.
2866
2867         PR debug/41801
2868         * builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
2869         call convert_memory_address on addr.
2870
2871         PR target/41762
2872         * config/i386/i386.c (ix86_pic_register_p): Don't call
2873         rtx_equal_for_cselib_p for VALUEs discarded as useless.
2874
2875 2009-10-28  Richard Sandiford  <rdsandiford@googlemail.com>
2876
2877         * var-tracking.c (emit_note_insn_var_location): Get the mode of
2878         a variable part from its REG, MEM or VALUE.
2879
2880 2009-10-28  Richard Guenther  <rguenther@suse.de>
2881
2882         * gimple.c (gimple_get_alias_set): Fix comment typo.
2883
2884 2009-10-28  Richard Guenther  <rguenther@suse.de>
2885
2886         * tree.c (free_lang_data_in_type): Do not call get_alias_set.
2887         (free_lang_data): Unconditionally compute alias sets for all
2888         standard integer types.  Bail out if gate bailed out previously.
2889         Do not reset the types_compatible_p langhook.
2890         (gate_free_lang_data): Remove.
2891         (struct pass_ipa_free_lang_data): Enable unconditionally.
2892         * gimple.c (gimple_get_alias_set): Use the same alias-set for
2893         all pointer types.
2894
2895 2009-10-28  Richard Guenther  <rguenther@suse.de>
2896
2897         PR middle-end/41855
2898         * tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs
2899         (ref_maybe_used_by_call_p_1): Fix bcopy handling.
2900         (call_may_clobber_ref_p_1): Likewise.
2901         * tree-ssa-structalias.c (find_func_aliases): Likewise.
2902         * alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs.
2903
2904 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
2905
2906         PR rtl-optimization/41812
2907
2908         Revert:
2909         2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
2910
2911         * df-problems.c (df_md_scratch): New.
2912         (df_md_alloc, df_md_free): Allocate/free it.
2913         (df_md_local_compute): Only include live registers in init.
2914         (df_md_transfer_function): Prune the in-set computed by
2915         the confluence function, and the gen-set too.
2916
2917 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
2918
2919         PR rtl-optimization/39715
2920         * combine.c (simplify_comparison): Use extensions to
2921         widen comparisons.  Try an ANDing first.
2922
2923 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
2924
2925         PR rtl-optimization/40741
2926         * config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
2927         a small constant is cheap.
2928         * config/arm/arm.md (andsi3, iorsi3): Try to place the result of
2929         force_reg on the LHS.
2930         (xorsi3): Likewise, and split the XOR if the constant is complex
2931         and not in Thumb mode.
2932
2933 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
2934
2935         * expmed.c (emit_store_flag): Check costs before
2936         transforming to the opposite representation.
2937
2938 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
2939
2940         * config/sh/sh.md (cbranchfp4_media): Remove hack extending
2941         cstore result to DImode.
2942
2943 2009-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2944
2945         * config/sh/sh.md (stuff_delay_slot): Move const_int pattern
2946         inside the unspec vector.
2947
2948 2009-10-27  Richard Henderson  <rth@redhat.com>
2949
2950         * cgraphunit.c (cgraph_optimize): Maintain timevar stack properly.
2951
2952 2009-10-27  Richard Henderson  <rth@redhat.com>
2953
2954         PR c++/41819
2955         * tree-eh.c (eh_region_may_contain_throw_map): Rename from
2956         eh_region_may_contain_throw; update users.
2957         (eh_region_may_contain_throw): New function.
2958         (lower_catch): Check flag_exceptions before creating exception region.
2959         (lower_eh_filter, lower_eh_must_not_throw): Likewise.
2960         (lower_cleanup): Tidy existing flag_exceptions check to match.
2961
2962 2009-10-27  Kai Tietz <kai.tietz@onevision.com>
2963
2964         PR/41799
2965         * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro.
2966         * config/i386/mingw.opt: Add fset-stack-executable.
2967         * config/i386/i386.c (ix86_trampoline_init): Make call to
2968         emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is
2969         defined and its value is not zero.
2970         * doc/invoke.texi
2971
2972 2009-10-27  Richard Guenther  <rguenther@suse.de>
2973
2974         * tree-ssa-structalias.c (find_func_aliases): In IPA mode
2975         handle calls to externally visible functions like in regular mode.
2976         (create_variable_info_for): Do not create function infos here.
2977         (have_alias_info): Remove write-only variable.
2978         (solve_constraints): New function split out from common code
2979         in compute_points_to_sets and ipa_pta_execute.
2980         (compute_points_to_sets): Adjust.
2981         (ipa_pta_execute): Likewise.  Handle clones and externally visible
2982         functions like in non-IPA mode.
2983
2984 2009-10-27  Jakub Jelinek  <jakub@redhat.com>
2985
2986         PR c/41842
2987         * c-typeck.c (convert_arguments): Return -1 if any of the arguments is
2988         error_mark_node.
2989
2990 2009-10-27  Richard Guenther  <rguenther@suse.de>
2991
2992         * tree-complex.c (expand_complex_div_wide): Check for
2993         INTEGER_CST, not TREE_CONSTANT on comparison folding result.
2994
2995 2009-10-27  Revital Eres  <eres@il.ibm.com>
2996
2997         PR tree-optimization/40648
2998         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
2999         Change decision of when to peel for alignment.
3000
3001 2009-10-27  Richard Guenther  <rguenther@suse.de>
3002
3003         PR lto/41821
3004         * gimple.c (gimple_types_compatible_p): Handle OFFSET_TYPE.
3005
3006 2009-10-27  Aldy Hernandez  <aldyh@redhat.com>
3007
3008         PR bootstrap/41451
3009         * fold-const.c (fold_binary_loc): Do not call
3010         protected_set_expr_location.
3011
3012 2009-10-27  Wei Guozhi  <carrot@google.com>
3013
3014         PR target/41705
3015         * target.h (have_conditional_execution): Add a new target hook
3016         function.
3017         * target-def.h (TARGET_HAVE_CONDITIONAL_EXECUTION): Likewise.
3018         * targhooks.h (default_have_conditional_execution): Likewise.
3019         * targhooks.c (default_have_conditional_execution): Likewise.
3020         * doc/tm.texi (TARGET_HAVE_CONDITIONAL_EXECUTION): Document it.
3021         * config/arm/arm.c (TARGET_HAVE_CONDITIONAL_EXECUTION): Define it.
3022         (arm_have_conditional_execution): New function.
3023         * ifcvt.c (noce_process_if_block, find_if_header,
3024         cond_exec_find_if_block, dead_or_predicable): Change the usage of
3025         macro HAVE_conditional_execution to a target hook call.
3026         * recog.c (peephole2_optimize): Likewise.
3027         * sched-rgn.c (add_branch_dependences): Likewise.
3028         * final.c (asm_insn_count, final_scan_insn): Likewise.
3029         * bb-reorder.c (HAVE_conditional_execution): Remove it.
3030
3031 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3032             Michael Meissner  <meissner@linux.vnet.ibm.com>
3033             Ulrich Weigand  <uweigand@de.ibm.com>
3034
3035         * config.gcc (spu-*-elf*): Add spu_cache.h to extra_headers.
3036         * config/spu/spu_cache.h: New file.
3037
3038         * config/spu/cachemgr.c: New file.
3039         * config/spu/cache.S: New file.
3040
3041         * config/spu/spu.h (ASM_OUTPUT_SYMBOL_REF): Define.
3042         (ADDR_SPACE_EA): Define.
3043         (TARGET_ADDR_SPACE_KEYWORDS): Define.
3044         * config/spu/spu.c (EAmode): New macro.
3045         (TARGET_ADDR_SPACE_POINTER_MODE): Define.
3046         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
3047         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Likewise.
3048         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
3049         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3050         (TARGET_ADDR_SPACE_CONVERT): Likewise.
3051         (TARGET_ASM_SELECT_SECTION): Likewise.
3052         (TARGET_ASM_UNIQUE_SECTION): Likewise.
3053         (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
3054         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
3055         (ea_symbol_ref): New function.
3056         (spu_legitimate_constant_p): Handle __ea qualified addresses.
3057         (spu_addr_space_legitimate_address_p): New function.
3058         (spu_addr_space_legitimize_address): Likewise.
3059         (cache_fetch): New global.
3060         (cache_fetch_dirty): Likewise.
3061         (ea_alias_set): Likewise.
3062         (ea_load_store): New function.
3063         (ea_load_store_inline): Likewise.
3064         (expand_ea_mem): Likewise.
3065         (spu_expand_mov): Handle __ea qualified memory references.
3066         (spu_addr_space_pointer_mode): New function.
3067         (spu_addr_space_address_mode): Likewise.
3068         (spu_addr_space_subset_p): Likewise.
3069         (spu_addr_space_convert): Likewise.
3070         (spu_section_type_flags): Handle "._ea" section.
3071         (spu_select_section): New function.
3072         (spu_unique_section): Likewise.
3073         * config/spu/spu-c.c (spu_cpu_cpp_builtins): Support __EA32__
3074         and __EA64__ predefined macros.
3075         * config/spu/spu-elf.h (LIB_SPEC): Handle -mcache-size= and
3076         -matomic-updates switches.
3077
3078         * config/spu/t-spu-elf (MULTILIB_OPTIONS): Define.
3079         (EXTRA_MULTILIB_PARTS): Add libgcc_cachemgr.a,
3080         libgcc_cachemgr_nonatomic.a, libgcc_cache8k.a, libgcc_cache16k.a,
3081         libgcc_cache32k.a, libgcc_cache64k.a, libgcc_cache128k.a.
3082         ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o): New target.
3083         ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache64k.o,
3084         $(T)cache128k.o): Likewise.
3085         ($(T)libgcc_%.a): Likewise.
3086
3087         * config/spu/spu.h (TARGET_DEFAULT): Add MASK_ADDRESS_SPACE_CONVERSION.
3088         * config/spu/spu.opt (-mea32/-mea64): Add switches.
3089         (-maddress-space-conversion): Likewise.
3090         (-mcache-size=): Likewise.
3091         (-matomic-updates): Likewise.
3092         * doc/invoke.texi (-mea32/-mea64): Document.
3093         (-maddress-space-conversion): Likewise.
3094         (-mcache-size=): Likewise.
3095         (-matomic-updates): Likewise.
3096
3097 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3098             Michael Meissner  <meissner@linux.vnet.ibm.com>
3099             Ulrich Weigand  <uweigand@de.ibm.com>
3100
3101         * doc/tm.texi (TARGET_ADDR_SPACE_KEYWORDS): Document.
3102
3103         * c-common.c (c_common_reswords): If TARGET_ADDR_SPACE_KEYWORDS is
3104         defined, add the named address space keywords.
3105         (c_addr_space_name): New function.
3106         (complete_array_type): Preserve named address space.
3107         (handle_mode_attribute): Use targetm.addr_space.valid_pointer_mode
3108         instead of targetm.valid_pointer_mode.
3109
3110         * c-common.h (enum rid): Add RID_ADDR_SPACE_0 .. RID_ADDR_SPACE_15,
3111         RID_FIRST_ADDR_SPACE and RID_LAST_ADDR_SPACE.
3112         (ADDR_SPACE_KEYWORD): New macro.
3113         (c_addr_space_name): Add prototype.
3114
3115         * c-tree.h (struct c_declspecs): Add address_space member.
3116         (declspecs_add_addrspace): Add prototype.
3117
3118         * c-pretty-print.c (pp_c_type_qualifier_list): Handle address spaces.
3119
3120         * c-parser.c (c_parse_init): Add assertion.
3121         (typedef enum c_id_kind): Add C_ID_ADDRSPACE.
3122         (c_lex_one_token): Handle address space keywords.
3123         (c_token_starts_typename): Likewise.
3124         (c_token_starts_declspecs): Likewise.
3125         (c_parser_declspecs): Likewise.
3126         (c_parser_postfix_expression_after_paren_type): Diagnose compound
3127         literal within function qualified with named address space.
3128
3129         * c-decl.c (diagnose_mismatched_decls): Diagnose conflicting named
3130         address space qualifiers.
3131         (shadow_tag_warned): Warn about useless address space qualifiers.
3132         (quals_from_declspecs): Handle address space qualifiers.
3133         (grokdeclarator): Likewise.
3134         (build_null_declspecs): Likewise.
3135         (declspecs_add_addrspace): New function.
3136
3137         * c-typeck.c (addr_space_superset): New function.
3138         (qualify_type): Handle named address spaces.
3139         (composite_type): Likewise.
3140         (common_pointer_type): Likewise.
3141         (comp_target_types): Likewise.
3142         (build_conditional_expr): Likewise.
3143         (handle_warn_cast_qual): Likewise.
3144         (build_c_cast): Likewise.
3145         (convert_for_assignment): Likewise.
3146         (build_binary_op): Likewise.
3147         (pointer_diff): Handle named address spaces.  Use intermediate
3148         integer type of sufficient size if required.
3149
3150 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3151             Michael Meissner  <meissner@linux.vnet.ibm.com>
3152             Ulrich Weigand  <uweigand@de.ibm.com>
3153
3154         * doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
3155         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
3156         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
3157
3158         * target.h (struct target_def): Add pointer_mode, address_mode,
3159         and valid_pointer_mode to addr_space substructure.
3160         * target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
3161         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
3162         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
3163         (TARGET_ADDR_SPACE_HOOKS): Add them.
3164         * targhooks.c (target_default_pointer_address_modes_p): New function.
3165         * target.h (target_default_pointer_address_modes_p): Add prototype.
3166         * targhooks.c (default_addr_space_pointer_mode): New function.
3167         (default_addr_space_address_mode): Likewise.
3168         (default_addr_space_valid_pointer_mode): Likewise.
3169         * targhooks.h (default_addr_space_pointer_mode): Add prototype.
3170         (default_addr_space_address_mode): Likewise.
3171         (default_addr_space_valid_pointer_mode): Likewise.
3172         * output.h (default_valid_pointer_mode): Move to ...
3173         * targhooks.h (default_valid_pointer_mode): ... here.
3174         * varasm.c (default_valid_pointer_mode): Move to ...
3175         * targhooks.c (default_valid_pointer_mode): ... here.
3176
3177         * varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
3178         instead of targetm.valid_pointer_mode.
3179
3180         * fold-const.c (fit_double_type): Use int_or_pointer_precision.
3181         * tree.c (integer_pow2p): Likewise.
3182         (tree_log2): Likewise.
3183         (tree_floor_log2): Likewise.
3184         (signed_or_unsigned_type_for): Support pointer type of different size.
3185         (int_or_pointer_precision): New function.
3186         * tree.h (int_or_pointer_precision): Add prototype.
3187         * stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
3188         * varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
3189         incoming pointer type instead of POINTER_SIZE.
3190
3191         * tree.c (build_pointer_type): Use appropriate pointer mode
3192         instead of ptr_mode.
3193         (build_reference_type): Likewise.
3194         * expr.c (store_expr): Likewise.
3195         (expand_expr_addr_expr): Likewise.
3196         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
3197         * cfgexpand.c (expand_debug_expr): Likewise.
3198
3199         * auto-inc-dec.c: Include "target.h".
3200         (try_merge): Use appropriate address mode instead of Pmode.
3201         (find_inc): Likewise.
3202         * combine.c (find_split_point): Likewise.
3203         * cselib.c (cselib_record_sets): Likewise.
3204         * dse.c (replace_inc_dec): Likewise.
3205         (canon_address): Likewise.
3206         * var-tracking.c (replace_expr_with_values): Likewise.
3207         (count_uses): Likewise.
3208         (add_uses): Likewise.
3209         (add_stores): Likewise.
3210         * emit-rtl.c: Include "target.h".
3211         (adjust_address_1): Use appropriate address mode instead of Pmode.
3212         (offset_address): Likewise.
3213         * explow.c (break_out_memory_refs): Likewise.
3214         (memory_address_addr_space): Likewise.
3215         (promote_mode): Likewise.
3216         * expr.c (move_by_pieces): Likewise.
3217         (emit_block_move_via_loop): Likewise.
3218         (store_by_pieces): Likewise.
3219         (store_by_pieces_1): Likewise.
3220         (expand_assignment): Likewise.
3221         (store_constructor): Likewise.
3222         (expand_expr_addr_expr): Likewise.
3223         (expand_expr_real_1): Likewise.
3224         * cfgexpand.c (expand_debug_expr): Likewise.
3225         * ifcvt.c (noce_try_cmove_arith): Likewise.
3226         * regcprop.c (kill_autoinc_value): Likewise.
3227         * regmove.c (try_auto_increment): Likewise.
3228         * reload.c (find_reloads): Likewise.
3229         (find_reloads_address): Likewise.
3230         (find_reloads_address_1): Likewise.
3231         * sched-deps.c: Include "target.h".
3232         (sched_analyze_1): Use appropriate address mode instead of Pmode.
3233         (sched_analyze_2): Likewise.
3234         * sel-sched-dump.c: Include "target.h".
3235         (debug_mem_addr_value): Use appropriate address mode instead of Pmode.
3236         * stor-layout.c (layout_type): Likewise.
3237         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3238         (multiplier_allowed_in_address_p): Likewise.
3239         (get_address_cost): Likewise.
3240         * varasm.c (make_decl_rtl): Likewise.
3241
3242         * expr.c (expand_assignment): Always convert offsets to appropriate
3243         address mode.
3244         (store_expr): Likewise.
3245         (store_constructor): Likewise.
3246         (expand_expr_real_1): Likewise.
3247
3248         * reload.h (form_sum): Add MODE argument.
3249         * reload.c (form_sum): Add MODE argument, use it instead of Pmode.
3250         Update recursive calls.
3251         (subst_indexed_address): Update calls to form_sum.
3252
3253         * tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
3254         * tree-ssa-address.c: Include "target.h".
3255         (templates): Replace by ...
3256         (mem_addr_template_list): ... this new vector.
3257         (TEMPL_IDX): Handle address space numbers.
3258         (gen_addr_rtx): Add address mode argument, use it instead of Pmode.
3259         (addr_for_mem_ref): Add ADDRSPACE argument.  Use per-address-space
3260         instead of global cache.  Update call to gen_addr_rtx.
3261         (valid_mem_ref_p): Update call to addr_for_mem_ref.
3262         * expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
3263
3264         * rtl.h (convert_memory_address_addr_space): Add prototype.
3265         (convert_memory_address): Define as macro.
3266         * explow.c (convert_memory_address): Rename to ...
3267         (convert_memory_address_addr_space): ... this.  Add ADDRSPACE argument.
3268         Use appropriate pointer and address modes instead of ptr_mode / Pmode.
3269         Update recursive calls.
3270         (memory_address_addr_space): Call convert_memory_address_addr_space.
3271         * expmed.c (make_tree): Likewise.
3272         * expr.c (expand_assignment): Likewise.
3273         (expand_expr_addr_expr_1): Likewise.  Also, add ADDRSPACE argument.
3274         (expand_expr_addr_expr): Likewise.  Also, update call.
3275
3276         * alias.c (find_base_value): Guard pointer size optimizations.
3277         (find_base_term): Likewise.
3278         * rtlanal.c (nonzero_bits1): Likewise.
3279         (num_sign_bit_copies1): Likewise.
3280         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3281
3282         * Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
3283         (emit-rtl.o): Likewise.
3284         (auto-inc-dec.o): Likewise.
3285         (sched-deps.o): Likewise.
3286
3287 2009-10-26  Ben Elliston  <bje@au.ibm.com>
3288             Michael Meissner  <meissner@linux.vnet.ibm.com>
3289             Ulrich Weigand  <uweigand@de.ibm.com>
3290
3291         * doc/extend.texi (Named Address Spaces): New section.
3292         * coretypes.h (addr_space_t): New type.
3293         (ADDR_SPACE_GENERIC): New define.
3294         (ADDR_SPACE_GENERIC_P): New macro.
3295
3296         * doc/tm.texi (Named Address Spaces): New section.
3297         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document.
3298         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document.
3299         (TARGET_ADDR_SPACE_SUBSET_P): Document.
3300         (TARGET_ADDR_SPACE_CONVERT): Document.
3301         * target.h (struct gcc_target): Add addr_space substructure.
3302         * target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.
3303         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
3304         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3305         (TARGET_ADDR_SPACE_CONVERT): Likewise.
3306         (TARGET_ADDR_SPACE_HOOKS): Likewise.
3307         (TARGET_INITIALIZER): Initialize addr_space hooks.
3308         * targhooks.c (default_addr_space_legitimate_address_p): New function.
3309         (default_addr_space_legitimize_address): Likewise.
3310         (default_addr_space_subset_p): Likewise.
3311         (default_addr_space_convert): Likewise.
3312         * targhooks.h (default_addr_space_legitimate_address_p): Add prototype.
3313         (default_addr_space_legitimize_address): Likewise.
3314         (default_addr_space_subset_p): Likewise.
3315         (default_addr_space_convert): Likewise.
3316
3317         * doc/rtl.texi (MEM_ADDR_SPACE): Document.
3318         * rtl.h (mem_attrs): Add ADDRSPACE memory attribute.
3319         (MEM_ADDR_SPACE): New macro.
3320         * emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set
3321         address space memory attribute.
3322         (mem_attrs_htab_hash): Handle address space memory attribute.
3323         (mem_attrs_htab_eq): Likewise.
3324         (set_mem_attributes_minus_bitpos): Likewise.
3325         (set_mem_alias_set): Likewise.
3326         (set_mem_align): Likewise.
3327         (set_mem_expr): Likewise.
3328         (set_mem_offset): Likewise.
3329         (set_mem_size): Likewise.
3330         (adjust_address_1): Likewise.
3331         (offset_address): Likewise.
3332         (widen_memoy_address): Likewise.
3333         (get_spill_slot_decl): Likewise.
3334         (set_mem_attrs_for_spill): Likewise.
3335         (set_mem_addr_space): New function.
3336         * emit-rtl.h (set_mem_addr_space): Add prototype.
3337         * print-rtl.c (print_rtx): Print address space memory attribute.
3338         * expr.c (expand_assignment): Set address space memory attribute
3339         of generated MEM RTXes as appropriate.
3340         (expand_expr_real_1): Likewise.
3341         * cfgexpand.c (expand_debug_expr): Likewise.
3342         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
3343
3344         * tree.h (struct tree_base): Add address_space bitfield.  Reduce
3345         size of "spare" bitfield.
3346         (TYPE_ADDR_SPACE): New macro.
3347         (ENCODE_QUAL_ADDR_SPACE): Likewise.
3348         (DECODE_QUAL_ADDR_SPACE): Likewise.
3349         (CLEAR_QUAL_ADDR_SPACE): Likewise.
3350         (KEEP_QUAL_ADDR_SPACE): Likewise.
3351         (TYPE_QUALS): Encode type address space.
3352         (TYPE_QUALS_NO_ADDR_SPACE): New macro.
3353         * tree.c (set_type_quals): Set type address space.
3354         (build_array_type): Inherit array address space from element type.
3355         * print-tree.c (print_node_brief): Print type address space.
3356         (print_node): Likewise.
3357         * tree-pretty-print.c (dump_generic_node): Likewise.
3358
3359         * explow.c (memory_address): Rename to ...
3360         (memory_address_addr_space): ... this.  Add ADDRSPACE argument.
3361         Use address-space aware variants of memory address routines.
3362         * recog.c (memory_address_p): Rename to ...
3363         (memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
3364         Use address-space aware variants of memory address routines.
3365         (offsettable_address_p): Rename to ...
3366         (offsettable_address_addr_space_p): ... this.  Add ADDRSPACE argument.
3367         Use address-space aware variants of memory address routines.
3368         * reload.c (strict_memory_address_p): Rename to ...
3369         (strict_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
3370         Use address-space aware variants of memory address routines.
3371         (maybe_memory_address_p): Rename to ...
3372         (maybe_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
3373         Use address-space aware variants of memory address routines.
3374         * expr.h (memory_address_addr_space): Add prototype.
3375         (memory_address): Define as macro.
3376         * recog.h (memory_address_addr_space_p): Add prototype.
3377         (memory_address_p): Define as macro.
3378         (offsettable_address_addr_space_p): Add prototype.
3379         (offsettable_address_p): Define as macro.
3380         (strict_memory_address_addr_space_p): Add prototype.
3381         (strict_memory_address_p): Define as macro.
3382
3383         * combine.c (find_split_point): Use address-space aware variants
3384         of memory address routines.
3385         * emit-rtl.c (operand_subword): Likewise.
3386         (change_address_1): Likewise.
3387         (adjust_address_1): Likewise.
3388         (offset_address): Likewise.
3389         * expr.c (emit_move_insn): Likewise.
3390         (expand_assignment): Likewise.
3391         (expand_expr_real_1): Likewise.
3392         * recog.c (verify_changes): Likewise.
3393         (general_operand): Likewise.
3394         (offsettable_memref_p): Likewise.
3395         (offsettable_nonstrict_memref_p): Likewise.
3396         (constrain_operands): Likewise.
3397         * reload.c (get_secondary_mem): Likewise.
3398         (find_reloads_toplev): Likewise.
3399         (find_reloads_address): Likewise.
3400         (find_reloads_subreg_address): Likewise.
3401         * reload1.c (reload): Likewise.
3402         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
3403         * rtl.h (address_cost): Add ADDRSPACE argument.
3404         * rtlanal.c (address_cost): Add ADDRSPACE argument.  Use address-space
3405         aware variant of memory address routines.
3406         * loop-invariant.c (create_new_invariant): Update address_cost call.
3407         * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
3408         * fwprop.c (should_replace_address): Add ADDRSPACE argument.
3409         Use address-space aware variant of memory address routines.
3410         (propagate_rtx_1): Update call to should_replace_address.
3411         * tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE
3412         argument.
3413         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add
3414         ADDRSPACE argument.  Use per-address-space instead of global cache.
3415         Use address-space aware variant of memory address routines.
3416         (get_address_cost): Likewise.
3417         (get_computation_cost_at): Update calls.
3418         * tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument.
3419         Use address-space aware variant of memory address routines.
3420         (create_mem_ref_raw): Update call to valid_mem_ref_p.
3421         (most_expensive_mult_to_index): Update call to
3422         multiplier_allowed_in_address_p.
3423
3424         * dwarf2out.c (modified_type_die): Output DW_AT_address_class
3425         attribute to indicate named address spaces.
3426
3427         * varasm.c (get_variable_section): DECLs in named address spaces
3428         cannot be "common".
3429
3430         * reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS
3431         for addresses in a non-generic address space.
3432
3433         * expr.c (emit_block_move_hints): Do not use libcalls for
3434         memory in non-generic address spaces.
3435         (clear_storage_hints): Likewise.
3436         (expand_assignment): Likewise.
3437
3438         * fold-const.c (operand_equal_p): Expressions refering to different
3439         address spaces are not equivalent.
3440
3441         * rtl.c (rtx_equal_p_cb): MEMs refering to different address
3442         spaces are not equivalent.
3443         (rtx_equal_p): Likewise.
3444         * cse.c (exp_equiv_p): Likewise.
3445         * jump.c (rtx_renumbered_equal_p): Likewise.
3446         * reload.c (operands_match_p): Likewise.
3447
3448         * alias.c (nonoverlapping_memrefs_p): MEMs refering to different
3449         address spaces may alias.
3450         (true_dependence): Likewise.
3451         (canon_true_dependence): Likewise.
3452         (write_dependence_p): Likewise.
3453
3454         * dse.c (canon_address): Handle named address spaces.
3455         * ifcvt.c (noce_try_cmove_arith): Likewise.
3456
3457         * tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code.
3458         * expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR.
3459         * convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR
3460         to handle conversions between different address spaces.
3461         * fold-const.c (fold_convert_loc): Likewise.
3462         (fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR.
3463         * tree-pretty-print.c (dump_generic_node): Likewise.
3464         * gimple-pretty-print.c (dump_unary_rhs): Likewise.
3465         * tree-cfg.c (verify_gimple_assign_unary): Likewise.
3466         * tree-inline.c (estimate_operator_cost): Likewise.
3467         * tree-ssa.c (useless_type_conversion_p): Conversions between pointers
3468         to different address spaces are not useless.
3469
3470 2009-10-26  Jakub Jelinek  <jakub@redhat.com>
3471
3472         PR bootstrap/41345
3473         * cfgcleanup.c (trivially_empty_bb_p): New function.
3474         (try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.
3475
3476         PR debug/41828
3477         * dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die,
3478         add_name_and_src_coords_attributes, gen_namespace_die,
3479         dwarf2out_set_name): Handle dwarf2_name returning NULL.
3480
3481 2009-10-26  Nick Clifton  <nickc@redhat.com>
3482
3483         * config.gcc: Add support for RX target.
3484         * config/rx: New directory.
3485         * config/rx/constraints.md: New file.
3486         * config/rx/predicates.md: New file.
3487         * config/rx/rx.c: New file.
3488         * config/rx/rx.h: New file.
3489         * config/rx/rx.md: New file.
3490         * config/rx/rx.opt: New file.
3491         * config/rx/rx-protos.h: New file.
3492         * config/rx/t-rx: New file.
3493         * doc/extend.texi: Document RX function attributes.
3494         * doc/invoke.texi: Document RX specific command line options.
3495         * doc/contrib.texi: Document RX contribution.
3496         * doc/md.texi: Document RX constraints.
3497         * doc/install.texi: Document RX support.
3498
3499 2009-10-26  Michael Matz  <matz@suse.de>
3500
3501         PR tree-optimization/41783
3502         * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
3503         case for simple diamonds.
3504         * tree-ssa-alias.h (get_continuation_for_phi): Declare.
3505         * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
3506         argument, use alias oracle to skip some vdefs.
3507         (phi_translate_1): Change call to above, don't allocate new
3508         value ids if they can stay the same.
3509         (compute_avail): Allow vuse walking when looking up references.
3510
3511 2009-10-26  Richard Guenther  <rguenther@suse.de>
3512
3513         PR tree-optimization/41826
3514         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
3515         access to re-allocated vector fields.
3516
3517 2009-10-26  Richard Guenther  <rguenther@suse.de>
3518
3519         * graphite-sese-to-poly.c (check_poly_representation): Fix
3520         compile without checking.
3521
3522 2009-10-26  Janus Weil  <janus@gcc.gnu.org>
3523
3524         PR fortran/41714
3525         * gimple.h (tree_annotate_all_with_location): Remove prototype.
3526         * gimplify.c (tree_should_carry_location_p,
3527         tree_annotate_one_with_location,tree_annotate_all_with_location):
3528         Remove obsolete functions.
3529
3530 2009-10-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3531
3532         PR target/41813
3533         * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.
3534
3535 2009-10-25  Richard Guenther  <rguenther@suse.de>
3536
3537         * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
3538         Stream DECL_RESTRICTED_P.
3539         * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
3540
3541 2009-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
3542
3543         * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
3544         a note when expanding to nothing.
3545
3546 2009-10-25  Richard Guenther  <rguenther@suse.de>
3547
3548         PR middle-end/41814
3549         * tree.c (find_decls_types_r): Deal with Java overloading
3550         BINFO_VIRTUALS for its own purpose.
3551
3552 2009-10-24  Adam Nemet  <anemet@caviumnetworks.com>
3553
3554         * config/mips/predicates.md (hilo_operand): New predicate.
3555         * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
3556         define_insn.  Correct !ISA_HAS_EXT_INS length from 24 to 28.  Move
3557         splitter part from here ...:
3558         (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here.  Swap
3559         op0 and op4 to match the DINS case.
3560         (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.
3561
3562 2009-10-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
3563
3564         PR middle-end/19154
3565         * avr.md (QIDI): Add new mode iterator.
3566         (sbrx_branch<mode>): Create new zero extract bit, test and jump
3567         patterns for all QI thru DI modes combinations.
3568         (sbrx_and_branch<mode>): Create new and based bit test and jump
3569         patterns for QI thru SI modes.
3570         avr.c (avr_out_sbxx_branch): Use only bit number.
3571
3572 2009-10-24  Jan Hubicka  <jh@suse.cz>
3573
3574         * ipa-reference.c (check_call): Noreturn notrhow calls do not write
3575         to memory.
3576         (analyze_function): When analyzing noreturn nothrow call, do not
3577         compute written stats; free bitmaps of vars early if possible.
3578         (generate_summary): Only update bitmaps if computed.
3579         (propagate): Only dump bitmaps if computed.
3580         (ipa_reference_read_summary): Fix pasto.
3581
3582 2009-10-24  Eric Botcazou  <ebotcazou@adacore.com>
3583
3584         * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
3585         (aliasing_component_refs_p): ...this.  Return true if there is no
3586         common base and the base access types have the same alias set.
3587         (indirect_ref_may_alias_decl_p): Adjust for above renaming.
3588         (indirect_refs_may_alias_p): Likewise.
3589
3590 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
3591
3592         PR c/40033
3593         * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
3594         a C_MAYBE_CONST_EXPR.
3595
3596 2009-10-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3597
3598         PR target/41787
3599         * config/rs6000/rs6000.c (struct machine_function): Add
3600         vsx_or_altivec_used_p to record if vector types are used.
3601         (rs6000_expand_to_rtl_hook): Rename from
3602         rs6000_alloc_sdmode_stack_slot.  If VSX, check to see if there are
3603         any vector operations, so if there are, we can set VRSAVE to
3604         non-zero when only floating point vector registers are used.
3605         (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
3606         (rs6000_check_vector_mode): Inner function to check if vector
3607         types are used in the code.
3608         (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
3609         vector instructions are used.
3610
3611         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
3612         Indicate that VSX registers which overlap floating point
3613         registers, can't be used across a call, since the ABI only states
3614         the scalar part of the register will be saved and restored.
3615
3616 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
3617
3618         PR c/41673
3619         * alias.c (get_alias_set): Call langhook before returning 0 for
3620         types with structural equality.
3621         * c-common.c (c_common_get_alias_set): Use alias set of element
3622         type for arrays with structural comparison.
3623
3624 2009-10-23  Richard Guenther  <rguenther@suse.de>
3625
3626         PR middle-end/41805
3627         * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
3628         gimple_call_nothrow_p.
3629
3630 2009-10-23  Richard Guenther  <rguenther@suse.de>
3631
3632         PR tree-optimization/41778
3633         * tree-ssa-pre.c (do_regular_insertion): Only insert if a
3634         redundancy along a path in the CFG we want to optimize for speed
3635         is going to be removed.
3636         (execute_pre): Do partial-PRE only if the function is to be
3637         optimized for speed.
3638         (gate_pre): Do not turn off all of PRE when not optimizing a
3639         function for speed.
3640
3641 2009-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3642
3643         * builtins.c (fold_builtin_cabs): Use validate_arg().
3644         (fold_builtin_cexp): Fix if-logic.
3645         (fold_builtin_1): Check subtype for BUILT_IN_CIMAG.
3646
3647 2009-10-22  Jeff Law  <law@redhat.com>
3648
3649         * ira-lives.c (process_single_reg_class_operands): Update the
3650         hard reg costs for all the hard registers desired by the
3651         single reg class operand.
3652
3653 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
3654
3655         * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
3656         for rtxes that aren't handled specially.
3657
3658 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
3659
3660         * rtl.h (shallow_copy_rtvec): Declare.
3661         * rtl.c (shallow_copy_rtvec): New function.
3662         * cselib.c (cselib_subst_to_values): Use it.  Only modify an
3663         rtx field if the subrtx has changed.
3664
3665 2009-10-22  Anatoly Sokolov  <aesok@post.ru>
3666
3667         * config/m32c/m32c.c (m32c_function_value_regno_p): New function.
3668         (m32c_function_value): Make static, add new 'outgoing' argument.
3669         (m32c_libcall_value): Make static, add new 'fun' argument.
3670         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
3671         * config/m32c/m32c.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
3672         (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p.
3673         * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare.
3674         (m32c_function_value, m32c_libcall_value): Delete declaration.
3675
3676 2009-10-22  Diego Novillo  <dnovillo@google.com>
3677
3678         * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H.
3679
3680 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
3681
3682         * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white
3683         space.
3684
3685 2009-10-22  Richard Guenther  <rguenther@suse.de>
3686
3687         * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
3688         * lto-symtab.c (struct lto_symtab_entry_def): Add node member.
3689         (lto_symtab_merge): Do not merge cgraph nodes here.
3690         (lto_symtab_resolve_can_prevail_p): Simplify.
3691         (lto_symtab_resolve_symbols): Store cgraph node.
3692         (lto_symtab_merge_decls_1): Simplify.  Do not drop non-prevailing
3693         functions from the symtab.
3694         (lto_symtab_merge_cgraph_nodes_1): New function.
3695         (lto_symtab_merge_cgraph_nodes): Likewise.
3696
3697 2009-10-22  Richard Guenther  <rguenther@suse.de>
3698
3699         PR lto/41791
3700         * lto-streamer-out.c (lto_output_location): Stream the
3701         system header flag.
3702         * lto-streamer-in.c (lto_input_location): Likewise.
3703
3704 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
3705
3706         * cfgloopmanip.c (duplicate_subloops): Export.
3707         * tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
3708         (transform_to_exit_first_loop): Duplicate bbs starting from
3709         header up to loop->latch instead of exit->src.
3710         Initialize control variable to the correct number of iterations.
3711         (gather_scalar_reductions): Do not register double reductions.
3712         (parallelize_loops): Dump which loop is tested.
3713         Indicate whether the parallelized loop is inner or not.
3714         Remove the innermost-loop requirement.
3715         * cfgloop.h (duplicate_subloops): Export.
3716         * tree-cfg.c (add_phi_args_after_redirect): New function.
3717         (gimple_duplicate_sese_tail): Remove the no-subloops constraint.
3718         Call duplicate_subloops.
3719         Update number of iterations at the exit condition.
3720         Don't redirect nexits always to the loop exit.
3721         Redirect copied edges from latch to the loop exit.
3722
3723 2009-10-22  Jan Hubicka  <jh@suse.cz>
3724
3725         * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and
3726         flag_ltrans check.
3727         * ipa-inline.c (cgraph_mark_inline_edge,
3728         cgraph_decide_inlining_of_small_function,
3729         cgraph_decide_inlining, inline_read_summary): Disable indirect
3730         inlining for WPA for time being.
3731
3732         PR tree-optimize/40556
3733         * ipa-inline.c (cgraph_early_inlining): Fix iterations condition.
3734
3735 2009-10-22  Richard Guenther  <rguenther@suse.de>
3736
3737         * lto-streamer.h (lto_symtab_clear_resolution): Remove.
3738         * lto-symtab.c (lto_symtab_clear_resolution): Likewise.
3739
3740 2009-10-22  Jan Hubicka  <jh@suse.cz>
3741
3742         PR lto/41730
3743         * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
3744         global vars.
3745         (check_call): Handle only indirect calls.
3746         (propagate_bits): Update comment.
3747         (write_node_summary_p): Turn bogus check to assert.
3748         (ipa_reference_write_summary): Stream calls_read_all properly.
3749         (ipa_reference_read_summary): Stream in calls_read_all properly.
3750         (read_write_all_from_decl): New function.
3751         (propagate): Handle OVERWRITABLE nodes and external calls here.
3752         * ipa-pre-const.c (check_call): In IPA mode handle indirect
3753         calls only.
3754         (analyze_function): Do not check visibility here.
3755         (add_new_function): We summary OVERWRITABLE too.
3756         (generate_summary): Stream OVERWRITABLE nodes too.
3757         (propagate): Handle external calls and OVERWRITABLE nodes here.
3758         (local_pure_const): Check visibility here.
3759
3760 2009-10-22  Jan Hubicka  <jh@suse.cz>
3761
3762         * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
3763         (pass_ipa_cp): Register them.
3764         (ipcp_init_stage): Analyze all functions for whopr/lto.
3765         (ipcp_propagate_stage): Skip external calls.
3766         (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
3767         * ipa-reference.c (write_node_summary_p): Fix thinko about
3768         availability.
3769         * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
3770         when in ltrans, skip executing of ipa passes since everything
3771         should've been done.
3772         * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
3773         (inline_generate_summary): Likewise.
3774         (inline_read_summary): New function.
3775         (inline_write_summary): New function.
3776         (pass_ipa_inline): Register new hooks.
3777         * ipa-prop.c: Inlcude lto-streamer.h
3778         (ipa_edge_args_vector): Update declaration.
3779         (ipa_count_arguments, ipa_compute_jump_functions,
3780         ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
3781         (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
3782         ipa_read_node_info): New static functions.
3783         (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
3784         (duplicate_array): Use xmalloc.
3785         (duplicate_ggc_array): New.
3786         (ipa_edge_duplication_hook): Use it.
3787         (ipa_update_after_lto_read): New function.
3788         * ipa-prop.h (ipa_prop_write_jump_functions,
3789         ipa_prop_read_jump_functions): Declare.
3790         (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
3791         jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
3792         (ipa_edge_args_vector): Move into GGC.
3793         (ipa_check_create_edge_args): Update.
3794         (ipa_update_after_lto_read): New.
3795         * passes.c (ipa_write_summaries_1): When in wpa, do not write
3796         summaries.
3797         (ipa_read_summaries): When in ltrans, so not read summaries.
3798         * lto-streamer.c (lto_get_section_name): Add
3799         LTO_section_jump_functions.
3800         * lto-streamer.h (LTO_section_jump_functions): New section.
3801         (produce_asm): Declare.
3802         * lto-cgraph.c (output_cgraph): Output edges in reverse order.
3803         * lto-streamer-out.c (produce_asm): Export.
3804         * lto-streamer-in.c: Include tree-pass.h
3805         (input_function): Free dominance info when done.
3806         (lto_read_body): Push ipa_inline in ltrans stage.
3807         * gengtype.c (open_base_files): Add ipa-prop.h into includes.
3808         * Makefile.in (GTFILES): Add ipa-prop.h
3809
3810 2009-10-22  Matthias Klose  <doko@ubuntu.com>
3811
3812         * doc/install.texi: Document --enable-browser-plugin.
3813
3814 2009-10-21  Vladimir Makarov  <vmakarov@redhat.com>
3815
3816         * doc/invoke.texi (fira-loop-pressure): Update default value.
3817         * opts.c (decode_options): Remove default value setting for
3818         flag_ira_loop_pressure.
3819         * config/ia64/ia64.c (ia64_override_options): Set
3820         flag_ira_loop_pressure up for -O3.
3821         * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
3822
3823 2009-10-21  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         PR tree-optimization/41497
3826         * tree-scalar-evolution.c (analyze_evolution_in_loop): Return
3827         chrec_dont_know if the evolution function returned by follow_ssa_edge
3828         is constant in the analyzed loop and is not compatible with the
3829         initial value before the loop.
3830         * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
3831
3832 2009-10-21  Joseph Myers  <joseph@codesourcery.com>
3833
3834         * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF.
3835
3836 2009-10-21  Jakub Jelinek  <jakub@redhat.com>
3837
3838         PR other/25507
3839         * doc/invoke.texi: Document -print-multi-os-directory.
3840
3841 2009-10-21  Jack Howarth  <howarth@bromo.med.uc.edu>
3842
3843         PR c++/41313
3844         * gcc/config/darwin10.h: Use default_emit_unwind_label.
3845         * gcc/config/darwin.c: Disable -freorder-blocks-and-partition
3846         when darwin_emit_unwind_label is used.
3847
3848 2009-10-21  Eric Botcazou  <ebotcazou@adacore.com>
3849
3850         * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak
3851         order of checks.
3852
3853 2009-10-20  Richard Henderson  <rth@redhat.com>
3854
3855         * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1
3856         before emit_post_landing_pad.
3857
3858 2009-10-20  Adam Nemet  <anemet@caviumnetworks.com>
3859
3860         * config/mips/mips.c (mips_binary_cost): Add new argument speed.
3861         Use when calling rtx_costs.
3862         (mips_rtx_costs): Fix formatting.  Use argument speed rather than the
3863         global optimize_size.  Pass speed to mips_binary_cost.
3864
3865 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
3866
3867         * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
3868         of TREE_CONSTANT.
3869
3870 2009-10-20  Richard Sandiford  <rdsandiford@googlemail.com>
3871
3872         * rtl.h (simplify_replace_fn_rtx): Declare.
3873         (wrap_constant, unwrap_constant): Delete.
3874         * cfgexpand.c (unwrap_constant, wrap_constant): Delete.
3875         (expand_debug_expr): Don't call wrap_constant.
3876         * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
3877         (auto_adjust_pair): Fold into...
3878         (propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
3879         Just return a new value.
3880         (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
3881         otherwise use simplify_replace_rtx.
3882         * cselib.c (wrap_constant): Reinstate old definition.
3883         (cselib_expand_value_rtx_1): Don't wrap constants.
3884         * gcse.c (try_replace_reg): Don't use copy_rtx in the call to
3885         simplify_replace_rtx.
3886         (bypass_block): Fix formatting in calls to simplify_replace_rtx.
3887         * reload1.c (reload): Skip all uses for an insn before adjusting it.
3888         Use simplify_replace_rtx.
3889         * simplify-rtx.c (simplify_replace_fn_rtx): New function,
3890         adapted from...
3891         (simplify_replace_rtx): ...here.  Turn into a wrapper for
3892         simplify_replace_fn_rtx.
3893         (simplify_unary_operation): Don't unwrap CONSTs.
3894         * var-tracking.c (check_wrap_constant): Delete.
3895         (vt_expand_loc_callback): Don't call it.
3896         (vt_expand_loc): Likewise.
3897
3898 2009-10-20  Pascal Obry  <obry@adacore.com>
3899             Eric Botcazou  <ebotcazou@adacore.com>
3900
3901         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.
3902
3903 2009-10-20  Michael Matz  <matz@suse.de>
3904
3905         * loop-invariant.c (create_new_invariant): Use different magic number.
3906
3907 2009-10-20  Richard Earnshaw  <rearnsha@arm.com>
3908
3909         PR target/39247
3910         * arm.c (arm_override_options): Forcibly disable hot/cold block
3911         partitioning.
3912
3913 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
3914
3915         PR debug/41739
3916         * haifa-sched.c (try_ready): Skip debug deps updating speculation
3917         status.
3918
3919 2009-10-20  Richard Guenther  <rguenther@suse.de>
3920
3921         * ggc-page.c: Include cfgloop.h.
3922         (struct max_alignment): Drop long double, add void *.
3923         (extra_order_size_table): Add low non-power-of-two multiples
3924         of MAX_ALIGNMENT.  Drop small type-based entries, add
3925         tree_type, cgraph_node and loop.
3926         * alloc-pool.c (struct allocation_object_def): Drop long double
3927         aligning element.
3928
3929 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
3930
3931         PR debug/41340
3932         * loop-invariant.c (calculate_loop_reg_pressure): Don't count regs
3933         referenced just in DEBUG_INSNs.
3934
3935 2009-10-20  Richard Guenther  <rguenther@suse.de>
3936
3937         PR lto/41761
3938         * gimple.c (gimple_register_type): Make sure we register
3939         the types main variant first.
3940
3941 2009-10-20  Richard Guenther  <rguenther@suse.de>
3942
3943         * gimple.c (gimple_types_compatible_p): Simplify.  Move
3944         cheap checks before hashtable queries.  Add checks for
3945         TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P.
3946
3947 2009-10-20  Eric Botcazou  <ebotcazou@adacore.com>
3948
3949         * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields
3950         without size or with size that can't be represented as a host integer.
3951
3952 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
3953
3954         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
3955         the removal of a debug stmt as a significant change.
3956
3957 2009-10-20  Wolfgang Gellerich  <gellerich@de.ibm.com>
3958
3959         * config/s390/s390.md: Added agen condition to operand
3960         forwarding bypasses.  Added bypass for early address generation
3961         use of int results.  Updated comments.
3962
3963 2009-10-20  Stefan Dösinger  <stefan@codeweavers.com>
3964
3965         * config/i386/i386.c: Remove signal.h #include.
3966
3967 2009-10-20  Jie Zhang  <jie.zhang@analog.com>
3968
3969         * simplify-rtx.c (simplify_const_unary_operation): Handle SS_ABS.
3970         * doc/rtl.texi: Document ss_abs.
3971
3972 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
3973
3974         * c-common.c (c_parse_error): Handle CPP_UTF8STRING.
3975         * c-lex.c (c_lex_with_flags): Likewise.  Test C_LEX_STRING_NO_JOIN
3976         instead of C_LEX_RAW_STRINGS.
3977         (lex_string): Handle CPP_UTF8STRING.
3978         * c-parser.c (c_parser_postfix_expression): Likewise.
3979         * c-pragma.h (C_LEX_RAW_STRINGS): Rename to ...
3980         (C_LEX_STRING_NO_JOIN): ... this.
3981
3982 2009-10-19  Anatoly Sokolov  <aesok@post.ru>
3983
3984         * config/cris/cris.c (cris_function_value, cris_libcall_value,
3985         cris_function_value_regno_p): New functions.
3986         (cris_promote_function_mode): Update comment.
3987         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
3988         * config/cris/cris.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
3989         (FUNCTION_VALUE_REGNO_P): Redefine, use cris_function_value_regno_p.
3990         * config/cris/cris-protos.h (cris_function_value_regno_p): Declare.
3991
3992 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
3993
3994         * unwind-dw2.c (execute_stack_op): Fix operand order for
3995         DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.
3996
3997 2009-10-19  Eric Botcazou  <ebotcazou@adacore.com>
3998
3999         * gimple-low.c (struct lower_data): Add cannot_fallthru field.
4000         (lower_stmt) <GIMPLE_BIND>: Add comment.
4001         <GIMPLE_COND, GIMPLE_GOTO, GIMPLE_SWITCH>: Set cannot_fallthru to true
4002         and return.
4003         <GIMPLE_RETURN>: Remove the statement if cannot_fallthru is set.
4004         Otherwise lower it and set cannot_fallthru to true.
4005         <GIMPLE_TRY>: Update cannot_fallthru for GIMPLE_TRY_FINALLY and return.
4006         <GIMPLE_CATCH, GIMPLE_EH_FILTER>: Set cannot_fallthru to false.
4007         <GIMPLE_CALL>: Set cannot_fallthru to false for BUILT_IN_SETJMP and
4008         to true for a noreturn call.  Do not remove statements.
4009         <GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TASK>: Set cannot_fallthru to false.
4010         Set cannot_fallthru to false on function exit.
4011         (gimple_stmt_may_fallthru) <GIMPLE_SWITCH>: Really return false.
4012         <GIMPLE_ASSIGN>: Remove.
4013
4014 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4015
4016         * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
4017
4018 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4019
4020         * config/s390/s390.c (s390_z10_optimize_cmp): Use
4021         next/prev_active_insn to skip DEBUG_INSNs as well.
4022
4023 2009-10-19  Joseph Myers  <joseph@codesourcery.com>
4024
4025         * config/arm/arm.c (output_move_neon): Use DImode in call to
4026         adjust_address.
4027
4028 2009-10-19  Matthias Klose  <doko@ubuntu.com>
4029
4030         PR target/40134
4031         * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.
4032
4033 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
4034
4035         * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM op0.
4036
4037 2009-10-17  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
4038
4039         PR middle-end/41738
4040         * optabs.c (expand_binop): Make mode of shift count expression mode
4041         of shift count not target.
4042         Remove indent nit.
4043
4044 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4045
4046         * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New
4047         case.  Force using values to replace references within the statement.
4048         (convert_local_reference_stmt): Likewise.
4049
4050 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4051
4052         * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn,
4053         remove a subsequent GOTO or RETURN statement.
4054
4055 2009-10-17  Andy Hutchinson  <hutchinsonandy@aim.com>
4056
4057         * config/avr.md (*movqi): Add zero as equally preferable constraint
4058         as general register.
4059         (*movhi): Ditto.
4060
4061 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
4062
4063         * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION.
4064
4065 2009-10-17  Richard Guenther  <rguenther@suse.de>
4066
4067         * lto-streamer-in.c (lto_input_location): Try to reuse previous maps.
4068
4069 2009-10-17  Richard Guenther  <rguenther@suse.de>
4070
4071         * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL
4072         operands in COMPONENT_REFs.
4073
4074 2009-10-17  Anatoly Sokolov  <aesok@post.ru>
4075
4076         * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro
4077         if not defined. Change type of second argument to const_rtx.
4078         (default_function_value): Call gcc_unreachable if FUNCTION_VALUE
4079         macro not defined.
4080         * targhooks.h (default_libcall_value): Update prototype.
4081         * target.h (struct gcc_target): Change type of second argument of
4082         libcall_value to const_rtx.
4083         * config/arm/arm.c (arm_libcall_value): Change type of second argument
4084         to const_rtx.
4085         (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx.
4086         * doc/tm.texi (TARGET_LIBCALL_VALUE):  Revise documentation.
4087
4088 2009-10-17  Jakub Jelinek  <jakub@redhat.com>
4089
4090         PR debug/40521
4091         * debug.h (struct gcc_debug_hooks): Add assembly_start hook.
4092         * cgraphunit.c (cgraph_optimize): Call it.
4093         * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
4094         (dwarf2out_assembly_start): ... here.  New hook.
4095         (dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
4096         * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
4097         hook.
4098         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
4099         * sdbout.c (sdb_debug_hooks): Likewise.
4100         * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
4101         (vmsdbgout_assembly_start): New hook.
4102
4103 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
4104
4105         * rtl.h (RTL_LOCATION): Fix typo.
4106
4107 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
4108
4109         * print-rtl.c (print_rtx): Print locators in asm_operands
4110         and asm_input.
4111
4112 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
4113
4114         PR debug/41535
4115         * sched-deps.c (depl_on_debug_p): New.
4116         (attach_dep_link): Reject debug deps before nondebug deps.
4117         (add_to_deps_list): Insert debug deps after nondebug deps.
4118         (sd_lists_empty_p): Stop at first nonempty list.  Disregard debug
4119         deps.
4120         (sd_add_dep): Do not reject debug deps.
4121         (add_insn_mem_dependence): Don't count debug deps.
4122         (remove_from_deps): Likewise.
4123         (sched_analyze_2): Set up mem deps on debug insns.
4124         (sched_analyze_insn): Record reg uses for deps on debug insns.
4125         * haifa-sched.c (schedule_insn): Reset deferred debug insn.  Don't
4126         try_ready nondebug insn after debug insn.
4127         * ddg.c (create_ddg_dep_from_intra_loop_link,
4128         create_ddg_dep_no_link): Don't reject debug deps.
4129
4130 2009-10-16  Richard Guenther  <rguenther@suse.de>
4131
4132         * lto-symtab.c (merge_incomplete_and_complete_type): Remove.
4133         (maybe_merge_incomplete_and_complete_type): Likewise.
4134         (lto_symtab_merge): Do not call them.  Do not warn for
4135         complete vs. incomplete compatible types.
4136         (lto_symtab_merge_decls_2): Simplify.
4137         * gimple.c (gimple_force_type_merge): Remove.
4138         (gimple_types_compatible_p): Make it static.
4139         * gimple.h (gimple_force_type_merge): Remove.
4140         (gimple_types_compatible_p): Likewise.
4141
4142 2009-10-16  Jakub Jelinek  <jakub@redhat.com>
4143
4144         * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
4145         DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.
4146
4147 2009-10-16  Richard Guenther  <rguenther@suse.de>
4148
4149         PR tree-optimization/41728
4150         * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified
4151         if fold_stmt did anything.
4152
4153 2009-10-16  Richard Guenther  <rguenther@suse.de>
4154
4155         PR lto/41715
4156         * lto-streamer-in.c (lto_input_tree_ref): Revert last change.
4157         (maybe_fixup_handled_component): New function.
4158         (input_gimple_stmt): Fixup mismatched decl replacements.
4159
4160 2009-10-16  Richard Guenther  <rguenther@suse.de>
4161
4162         PR lto/41713
4163         * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
4164         the same as VAR_DECL.
4165
4166 2009-10-16  Richard Guenther  <rguenther@suse.de>
4167
4168         * gimple.c (iterative_hash_gimple_type): For integer types
4169         also hash their minimum and maximum values and the string flag.
4170         For array types hash their domain and the string flag.
4171
4172 2009-10-16  Richard Guenther  <rguenther@suse.de>
4173
4174         * gimple.c (gimple_types_compatible_p): Restrict completing
4175         types to record or unions.  Simplify completion.
4176         Do not merge records or unions with different
4177         TYPE_STRUCTURAL_EQUALITY_P tag.
4178         (iterative_hash_gimple_type): Restrict non-recursing into
4179         pointer targets for records and unions.
4180
4181 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
4182
4183         PR debug/41717
4184         * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
4185         * dwarf2out.c (mem_loc_descriptor): Don't handle
4186         POST_INT/POST_DEC/POST_MODIFY like SUBREG.  For SUBREG
4187         punt if it is not lowpart subreg or if inner mode isn't
4188         MODE_INT.
4189
4190 2009-10-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4191
4192         * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
4193         investigating previous or next insns.
4194
4195 2009-10-16  Eric Botcazou  <ebotcazou@adacore.com>
4196
4197         * tree-sra.c (build_ref_for_offset_1): Update comment.
4198
4199 2009-10-16  Wolfgang Gellerich  <gellerich@de.ibm.com>
4200
4201         * config/s390/s390.md (atype): Added missing values.
4202
4203 2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4204
4205         PR target/41702
4206         * pa.md (casesi): Use sign extended index in call to gen_casesi64p.
4207         (casesi64p): Update pattern to reflect above.
4208
4209 2009-10-15  Steve Ellcey  <sje@cup.hp.com>
4210
4211         PR rtl-optimization/41697
4212         * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
4213
4214 2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
4215
4216         PR target/23983
4217         * config/rs6000/predicates.md: Update copyright year.
4218         * config/rs6000/altivec.md: Ditto.
4219
4220         * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
4221         (MD_INCLUDES): Add a2.md.
4222
4223         * config/rs6000/rs6000.c (rs6000_builtin_decls): Change
4224         RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
4225         (builtin_classify): New static vector to classify various builtins
4226         to get the tree attributes correct.
4227         (def_builtin): Set the attributes of builtins based on what the
4228         builtin does (i.e. memory operation, floating point, saturation
4229         need special attributes, others are pure functions).
4230
4231         * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
4232         the builtins.
4233         (enum rs6000_builtins): Include rs6000-builtin.def to define the
4234         builtins.  Change the end marker to MAX_RS6000_BUILTINS from
4235         RS6000_BUILTIN_COUNT.
4236         (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
4237         MAX_RS6000_BUILTINS.
4238
4239         * config/rs6000/rs6000-builtin.def: New file that combines the
4240         builtin enumeration name and attributes.
4241
4242 2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>
4243
4244         * config/i386/linux.h (ASM_SPEC): Add --32.
4245
4246 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
4247
4248         * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type
4249         and DW_TAG_template_alias.
4250         (dwarf_attr_name): Handle DW_AT_main_subprogram,
4251         DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class,
4252         DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by,
4253         DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded,
4254         DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required
4255         and DW_AT_GNU_odr_signature.
4256         (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
4257         DW_FORM_flag_present and DW_FORM_ref_sig8.
4258         (output_signature): Only print name on the first byte.
4259         (output_die): Likewise for dw_val_class_data8.
4260
4261 2009-10-15  Alexander Monakov  <amonakov@ispras.ru>
4262
4263         * doc/invoke.texi: Clarify that most optimizations are not enabled
4264         without -O.
4265
4266 2009-10-15  Richard Guenther  <rguenther@suse.de>
4267
4268         PR lto/41668
4269         * gimple.c (compare_type_names_p): Handle anonymous names
4270         differently based on new mode argument.
4271         (gimple_types_compatible_p): For structs also compare the tags.
4272         (iterative_hash_type_name): Rename to ...
4273         (iterative_hash_name): ... this.  Hash all names.
4274         (iterative_hash_gimple_type): Fix hashing the struct tag of
4275         pointer targets.  Hash field decl names.
4276
4277 2009-10-15  Richard Guenther  <rguenther@suse.de>
4278
4279         PR lto/41669
4280         * gimple.c (gimple_get_alias_set): Avoid recursing on
4281         invalid type topology.
4282
4283 2009-10-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4284
4285         * config/spu/spu.c (get_branch_target): Use extract_asm_operands.
4286
4287 2009-10-15  Richard Guenther  <rguenther@suse.de>
4288
4289         * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
4290
4291 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
4292
4293         * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
4294         add --with-tune{,-32,-64} configured default for -mtune if explicit
4295         -mcpu is used.
4296
4297 2009-10-14  Daniel Gutson  <dgutson@codesourcery.com>
4298
4299         * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds fixed.
4300
4301 2009-10-14  DJ Delorie  <dj@redhat.com>
4302
4303         * config/h8300/h8300.c (F): New.
4304         (Fpa): New.
4305         (h8300_emit_stack_adjustment): Call them.
4306         (push): Likewise.
4307         (h8300_push_pop): Likewise.
4308         (h8300_expand_prologue): Likewise.
4309         * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
4310         (MUST_USE_SJLJ_EXCEPTIONS): Define.
4311         (INCOMING_RETURN_ADDR_RTX): Define.
4312         (INCOMING_FRAME_SP_OFFSET): Define.
4313         (DWARF_CIE_DATA_ALIGNMENT): Define.
4314
4315 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
4316
4317         * stor-layout.c (place_field): Don't emit -Wpadded warnings for
4318         fields in builtin structs.
4319         (finalize_record_size): Likewise.
4320
4321 2009-10-14  Richard Guenther  <rguenther@suse.de>
4322
4323         * gimple.c (gtc_ob): New global.
4324         (struct type_pair_d): Replace pointers with type UIDs.
4325         (type_pair_hash): Adjust.
4326         (type_pair_eq): Likewise.
4327         (lookup_type_pair): Likewise.  Allocate from an obstack.
4328         (gimple_force_type_merge): Adjust.
4329         (gimple_types_compatible_p): Likewise.
4330         (free_gimple_type_tables): Free the obstack.
4331
4332 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
4333
4334         * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
4335         stmts setting DEBUG_EXPR_DECLs.
4336
4337         * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
4338         Don't crash if mode1 is VOIDmode.
4339
4340 2009-09-26  Vladimir Makarov  <vmakarov@redhat.com>
4341
4342         * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
4343         * params.h (IRA_LOOP_RESERVED_REGS): New.
4344         * tree-pass.h (pass_subregs_of_mode_init,
4345         pass_subregs_of_mode_finish): Remove.
4346         * passes.c (pass_subregs_of_mode_init,
4347         pass_subregs_of_mode_finish): Remove.
4348         (pass_reginfo_init): Move before loop optimizations.
4349         * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
4350         * common.opt (fira-loop-pressure): New.
4351         * toplev.h (flag_ira_loop_pressure): New.
4352         * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New externals.
4353         * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
4354         Make external and void type functions.
4355         (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
4356         pass_subregs_of_mode_finish): Remove.
4357         * ira-costs.c (init_costs): Call init_subregs_of_mode.
4358         * regmove.c: Include ira.h.
4359         (regmove_optimize): Call ira_set_pseudo_classes after IRA based
4360         register pressure calculation in loops.
4361         * loop-invariant.c: Include REGS_H and ira.h.
4362         (struct loop_data): New members max_reg_pressure, regs_ref, and
4363         regs_live.
4364         (struct invariant): New member orig_regno.
4365         (curr_loop): New variable.
4366         (find_exits): Initialize regs_ref and regs_live.
4367         (create_new_invariant): Initialize orig_regno.
4368         (get_cover_class_and_nregs): New.
4369         (get_inv_cost): Make aregs_needed an array.  Use regs_needed as an
4370         array.  Add code for flag_ira_loop_pressure.
4371         (gain_for_invariant): Make new_regs an array.  Add code for
4372         flag_ira_loop_pressure.
4373         (best_gain_for_invariant): Ditto.
4374         (set_move_mark): New parameter gain.  Use it for debugging output.
4375         (find_invariants_to_move): Make regs_needed and new_regs an array.
4376         Add code for flag_ira_loop_pressure.
4377         (move_invariant_reg): Set up orig_regno.
4378         (move_invariants): Set up reg classes for pseudos for
4379         flag_ira_loop_pressure.
4380         (free_loop_data): Clear regs_ref and regs_live.
4381         (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
4382         get_regno_cover_class, change_pressure, mark_regno_live,
4383         mark_regno_death, mark_reg_store, mark_reg_clobber,
4384         mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
4385         (move_loop_invariants): Calculate pressure.  Initialize curr_loop.
4386         * ira.c (ira): Call ira_set_pseudo_classes after IRA based
4387         register pressure calculation in loops if new regs were added.
4388         Call finish_subregs_of_mode.
4389         * opts.c (decode_options): Set up flag_ira_loop_pressure.
4390         * Makefile.in (loop-invariant.o): Add ira.h.
4391         (regmove.o): Ditto.
4392         * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
4393         Describe.
4394         * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
4395
4396 2009-10-14  Richard Guenther  <rguenther@suse.de>
4397
4398         * lto-symtab.c (lto_symtab_compatible): Fold in ...
4399         (lto_symtab_merge): ... here.  Rewrite both to take the
4400         prevailing and a to-be-merged entry and to queue diagnostics properly.
4401         (lto_symtab_resolve_replaceable_p): New predicate for
4402         symbol resolution.
4403         (lto_symtab_resolve_can_prevail_p): Likewise.
4404         (lto_symtab_resolve_symbols): Rewrite.  Fold in code that
4405         handles merging commons by choosing the largest decl.  Fold
4406         in code that gives ODR errors.
4407         (lto_symtab_merge_decls_2): Simplify a lot.  Emit queued
4408         diagnostics here.
4409         (lto_symtab_merge_decls_1): Re-structure.  Deal with the
4410         case of no prevailing decl here.  Diagnose mismatches
4411         in object types here.  Drop all but the prevailing decls.
4412         (lto_symtab_prevailing_decl): Return the single prevailing decl.
4413         * lto-streamer-in.c (lto_input_tree_ref): Deal with
4414         VIEW_CONVERT_EXPRs in decl slots.  Unshare the tree in this case.
4415
4416 2009-10-14  Richard Guenther  <rguenther@suse.de>
4417
4418         PR lto/41521
4419         * lto-streamer-in.c (input_bb): Replace debug stmts with
4420         nops instead of dropping them.
4421
4422 2009-10-14  Nick Clifton  <nickc@redhat.com>
4423
4424         * gcc/doc/extended.texi: Replace the dash character with @minus{}
4425         in situations where it is being used as a minus symbol.
4426         * gcc/doc/tm.texi: Likewise.
4427         * gcc/doc/md.texi: Likewise.
4428
4429 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
4430
4431         PR preprocessor/41543
4432         * input.h (BUILTINS_LOCATION): Change to 1 from 2.
4433         Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
4434         * tree.c: Include intl.h.
4435         (expand_location): Handle BUILTINS_LOCATION.
4436         * Makefile.in (tree.o): Depend on intl.h.
4437
4438         PR debug/41695
4439         * dwarf2out.c (dwarf2out_var_location): Always clear
4440         last_postcall_label when changing last_label.
4441
4442 2009-10-14  Pascal Obry  <obry@adacore.com>
4443
4444         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
4445         (process_command): Handle -E as done with -c and -S.  Do not add
4446         the target executable suffix to the output file when -E is used.
4447         (main): Adjust error message accordingly.
4448
4449 2009-10-14  Alexandre Oliva  <aoliva@redhat.com>
4450
4451         PR debug/41343
4452         PR debug/41447
4453         PR debug/41264
4454         PR debug/41338
4455         * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
4456         decl with rtl.
4457         (tree_code_size): Likewise.
4458
4459 2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4460
4461         * builtins.c (fold_builtin_1): Support complex "arc" functions.
4462         * real.h (HAVE_mpc_arc): Define.
4463
4464 2009-10-14  Kaz Kojima  <kkojima@gcc.gnu.org>
4465
4466         * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
4467         (struct builtin_description): Add fndecl field.
4468         (bdesc): Remove const qualifier.  Update initializer.
4469         (sh_media_init_builtins): Remove const qualifier for d.  Record
4470         the result of add_builtin_function to the fndecl field.
4471         (sh_builtin_decl): New.
4472         (sh_media_builtin_decl): New.
4473
4474 2009-10-14  Hans-Peter Nilsson  <hp@axis.com>
4475
4476         PR target/38948
4477         * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
4478         requests between special registers.
4479
4480 2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>
4481
4482         * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.
4483
4484 2009-10-13  Richard Henderson  <rth@redhat.com>
4485
4486         PR tree-optimization/41377
4487         * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
4488         (cleanup_empty_eh_merge_phis): New change_region parameter;
4489         pass it on to redirect_eh_edge_1.  Update callers.
4490         (cleanup_empty_eh_unsplit): Don't require an existing EH label
4491         at the destination block.
4492
4493 2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>
4494
4495         * passes.c (register_pass): Replaced gcc_unreachable by
4496         fatal_error on failure. Mentions plugins in comments & messages.
4497
4498 2009-10-13  Jakub Jelinek  <jakub@redhat.com>
4499
4500         PR target/41693
4501         * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
4502         * sched-vis.c (print_value): Use it.
4503         * cselib.c (cselib_hash_rtx): Likewise.
4504         * print-rtl.c (print_rtx): Likewise.
4505         * cfgexpand.c (expand_debug_rtx): Likewise.
4506         * var-tracking.c (vt_expand_loc_callback): Likewise.
4507
4508 2009-10-13  Richard Guenther  <rguenther@suse.de>
4509
4510         PR lto/41565
4511         * opts.c (handle_option): Split out code to handle setting
4512         the options flag var ...
4513         (set_option): ... here.
4514         * opts.h (set_option): Declare.
4515         * lto-opts.c (register_user_option_p): Include -fexceptions
4516         and all position independent code variants.
4517         (handle_common_option): Remove.
4518         (lto_reissue_options): Use set_option.
4519
4520 2009-10-13  Martin Jambor  <mjambor@suse.cz>
4521
4522         PR tree-optimization/41661
4523         * ipa-prop.c (compute_complex_pass_through): Allow only operations
4524         that are tcc_comparisons or do not change the type in any
4525         un-usleless way.
4526         * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
4527         folding tcc_comparison operations.
4528
4529 2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4530
4531         * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
4532         properly.
4533
4534 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
4535
4536         PR debug/41343
4537         PR debug/41447
4538         PR debug/41264
4539         PR debug/41338
4540         * tree.def (DEBUG_EXPR_DECL): New.
4541         * rtl.def (DEBUG_EXPR): New.
4542         * gengtype.c (adjust_field_rtx_def): Handle it.
4543         * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
4544         (insert_debug_temp_for_var_def): ... this.  Drop support for
4545         moving.  Take iterator for def stmt; insert debug stmt before it.
4546         Scan early for use count and kind in debug stmts.
4547         (propagate_defs_into_debug_stmts): Rename to...
4548         (insert_debug_temps_for_defs): ... this.  Likewise.
4549         * tree.h (DEBUG_TEMP_UID): New.
4550         * tree.c (next_debug_decl_uid): New.
4551         (make_node_stat): Count debug decls separately.
4552         (copy_node_stat): Likewise.
4553         * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
4554         * var-tracking.c (dv_is_decl_p): Recognize it.
4555         (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
4556         (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
4557         (vt_expand_loc_callback): Expand DEBUG_EXPRs.
4558         (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
4559         * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
4560         (cselib_hash_rtx): Likewise.
4561         (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
4562         * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
4563         debug bind stmts.
4564         * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
4565         (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
4566         * rtl.c (copy_rtx): Likewise.
4567         (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
4568         * print-rtl.c (print_rtx): Likewise.
4569         * sched-vis.c (print_value): Likewise.
4570         (print_insn): Handle DEBUG_EXPR_DECL.
4571         * tree-dump.c (dequeue_and_dump): Likewise.
4572         * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
4573         * gimple-iterator (gsi_replace): Check for same lhs.
4574         (gsi_remove): Insert debug temps.
4575         * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
4576         (move_computations_stmt): Drop explicit propagation into debug stmts.
4577         (rewrite_bittest): Likewise.  Use gsi_remove for propagation.
4578         * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
4579         * tree-ssa-sink.c (statement_sink_location): Likewise.
4580         * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
4581         * tree-ssanames.c (release_ssa_name): Adjust for rename.
4582         * tree-flow.h: Likewise.
4583         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
4584         debug temps without values.
4585         (eliminate_unnecessary_stmts): Don't discard just-inserted
4586         debug stmts.
4587
4588 2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
4589
4590         PR target/26515
4591         * config/cris/cris.md (andu): Check that operand 1 is one of the
4592         general registers.  Fix typo in head comment.
4593
4594 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
4595
4596         * config/i386/i386.md (vswapmov): New.
4597         * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
4598         (ix86_function_ms_hook_prologue): New.
4599         (ix86_expand_prologue): Handle ms_hook_prologue attribute.
4600         * configure.ac: Test for swap suffix support in as.
4601         * configure: Rebuild.
4602
4603 2009-10-12  Jakub Jelinek  <jakub@redhat.com>
4604
4605         PR target/41680
4606         * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
4607         paradoxical subregs to prevent partial register stalls if the inner
4608         mode is integer mode.
4609
4610 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
4611
4612         * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
4613
4614 2009-10-12  Dodji Seketeli  <dodji@redhat.com>
4615
4616         PR c++/41570
4617         * gcc/dwarf2out.c (template_parameter_pack_die,
4618         gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
4619
4620 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
4621
4622         PR debug/41616
4623         * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
4624         on updates too.
4625         (maybe_register_def): Likewise.  Take stmt iterator.
4626         (rewrite_update_stmt): Take stmt iterator and pass it on.
4627         (rewrite_update_enter_block): Pass stmt iterator.
4628
4629 2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4630
4631         * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
4632         (spu_builtin_decl): New function.
4633
4634 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
4635
4636         * config/i386/i386.md (SWIM): New mode iterator.
4637         (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
4638         using SWIM mode iterator.
4639         (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
4640         patterns using SWI48 mode iterator.
4641         (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
4642         *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
4643         (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
4644         (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
4645         patterns using SWI248 mode iterator.
4646         * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
4647         gen_x86_movdicc_0_m1_rex64 for renamed function
4648
4649 2009-10-11  Jose Ruiz  <ruiz@adacore.com>
4650             Eric Botcazou  <ebotcazou@adacore.com>
4651
4652         PR target/33743
4653         * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
4654         * config/sparc/sol2-unwind.h: New file.
4655
4656 2009-10-11  Olivier Hainque  <hainque@adacore.com>
4657             Eric Botcazou  <ebotcazou@adacore.com>
4658
4659         PR target/33743
4660         * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
4661         * config/i386/sol2-unwind.h: New file.
4662
4663 2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>
4664
4665         PR target/41665
4666         * config/i386/i386.md (addsi_1_zext): Get the proper second
4667         operand for lea.
4668
4669 2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>
4670
4671         * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
4672         all OLD_RTXes, not just REGs.  Use copy_rtx to create the
4673         replacement value.
4674
4675 2009-10-11  Richard Guenther  <rguenther@suse.de>
4676
4677         * gimple.c (iterative_hash_type_name): Do not handle special
4678         anonymous names.
4679
4680 2009-10-11  Uros Bizjak  <ubizjak@gmail.com>
4681
4682         * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
4683         (*setcc_si_1_and): Ditto.
4684         (*setcc_si_1_movzbl): Ditto.
4685         (*setcc_<mode>_2): Ditto.
4686         (*setcc_qi): Rename from *setcc_1.
4687         (*setcc_qi_slp): Rename from *setcc_2.
4688
4689         (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
4690         (*zero_extendqisi2_movzbw_and splitter): Ditto.
4691
4692         * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
4693         "if" condition, there is already assert with reload_completed present.
4694
4695 2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>
4696
4697         * plugin.c (try_init_one_plugin): Improve constness of variable err.
4698
4699 2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>
4700
4701         * doc/install.texi (Final install): Refer to
4702         http://gcc.gnu.org/bugs/ for bug reporting.
4703
4704 2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>
4705
4706         * configure.ac: Add test for dci instruction.
4707         * configure: Regenerate.
4708         * config.in: Likewise.
4709         * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
4710         * doc/invoke.texi: Add cpu_type 476 and 476fp.
4711         (-mmulhw): Add 476 to description.
4712         (-mdlmzb): Likewise.
4713         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
4714         * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
4715         (processor_target_table): Add 476 and 476fp entries.
4716         (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
4717         (rs6000_issue_rate): Add CPU_PPC476.
4718         * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
4719         (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
4720         (processor_type): Add PROCESSOR_PPC476.
4721         (EXTRA_SPECS): Add asm_cpu_476 string.
4722         * config/rs6000/rs6000.md (define_attr "type"): Add isel attribute.
4723         (define_attr "cpu"): Add ppc476.
4724         Include 476.md.
4725         Update comments for 476.
4726         (isel_signed, isel_unsigned): Change to use "isel" type attribute.
4727         * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
4728         Update copyright year.
4729         * config/rs6000/476.md: New file.
4730         * config/rs6000/40x.md: Add description for "isel" attribute.
4731         Update copyright year.
4732         * config/rs6000/440.md: Likewise.
4733         * config/rs6000/603.md: Likewise.
4734         * config/rs6000/6xx.md: Likewise.
4735         * config/rs6000/7450.md: Likewise.
4736         * config/rs6000/7xx.md: Likewise.
4737         * config/rs6000/8540.md: Likewise.
4738         * config/rs6000/cell.md: Likewise.
4739         * config/rs6000/e300c2c3.md: Likewise.
4740         * config/rs6000/e500mc.md: Likewise.
4741         * config/rs6000/mpc.md: Likewise.
4742         * config/rs6000/power4.md: Likewise.
4743         * config/rs6000/power5.md: Likewise.
4744         * config/rs6000/power6.md: Likewise.
4745         * config/rs6000/power7.md: Likewise.
4746         * config/rs6000/rios1.md: Likewise.
4747         * config/rs6000/rios2.md: Likewise.
4748         * config/rs6000/rs64.md: Likewise.
4749
4750 2009-10-10  Richard Guenther  <rguenther@suse.de>
4751
4752         PR tree-optimization/41654
4753         * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
4754         a cond expr before calling gimple_cond_set_condition_from_tree.
4755         (ifcombine_iforif): Likewise.
4756
4757 2009-10-09  Ian Lance Taylor  <iant@google.com>
4758
4759         * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
4760         * configure: Rebuild.
4761
4762 2009-10-09  Neil Vachharajani <nvachhar@google.com>
4763
4764         * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
4765         deprecated.
4766
4767 2009-10-09  Richard Guenther  <rguenther@suse.de>
4768
4769         PR lto/41638
4770         * target-def.h (TARGET_BUILTIN_DECL): Define.
4771         (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
4772         * target.h (struct gcc_target): Add builtin_decl target hook.
4773         * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
4774         * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
4775         target builtins.
4776         * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
4777         not gcc_unreachable.
4778         (lto_output_builtin_tree): Sorry if the target does not support
4779         streaming target builtins.
4780         * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
4781         (rs6000_builtin_decl): New function.
4782         * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
4783         (ix86_builtin_decl): New function.
4784
4785 2009-10-09  Jakub Jelinek  <jakub@redhat.com>
4786
4787         PR preprocessor/41445
4788         * c-ppoutput.c (do_line_change): New function.
4789         (cb_line_change): Use it.
4790         (scan_translation_unit): Call do_line_change if
4791         avoid_paste or PREV_WHITE and token location is on a different line
4792         than print.src_line.
4793
4794         PR debug/40521
4795         * dwarf2out.c (dwarf2out_init): Test whether
4796         HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
4797         it is defined.
4798
4799         PR rtl-optimization/41646
4800         * calls.c (expand_call): For BLKmode types returned in registers
4801         avoid likely spilled hard regs in copy_blkmode_from_reg generated
4802         insns.
4803
4804 2009-10-09  Richard Guenther  <rguenther@suse.de>
4805
4806         PR tree-optimization/41634
4807         * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
4808         we remove the correct elements.
4809         (optimize_stmt): Make sure to update stmt operands before
4810         optimizing redundancies.
4811
4812 2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4813
4814         * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
4815
4816 2009-10-09  Richard Guenther  <rguenther@suse.de>
4817
4818         PR driver/41637
4819         * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
4820         globals.
4821         (lto_wrapper_exit): New function.
4822         (fatal): Use it.
4823         (fatal_perror): Likewise.
4824         (fork_execute): Use global args_name, do not free it.
4825         (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
4826         * lto-streamer.h: Remove duplicate prototypes.
4827
4828 2009-10-09  Richard Guenther  <rguenther@suse.de>
4829
4830         * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
4831         before calling stmt_can_throw_external.
4832
4833 2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>
4834
4835         PR tree-optimization/40071
4836         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
4837         pointer if the original data reference doesn't conflict with the
4838         created vector data reference.  Fix long line.
4839
4840 2009-10-09  Uros Bizjak  <ubizjak@gmail.com>
4841
4842         * config/i386/i386.md (any_div): New code iterator.
4843         (u): Handle div and udiv.
4844         (sgnprefix): Ditto.
4845         (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
4846         code iterator.
4847         (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
4848         lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
4849         (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
4850         lceil<mode>{si,di}2 patterns using SWI48 mode iterator.
4851
4852 2009-10-08  Joseph Myers  <joseph@codesourcery.com>
4853
4854         * gcc.c (main): Remove trailing "." from diagnostics.
4855
4856 2009-10-08  Cary Coutant  <ccoutant@google.com>
4857
4858         Add support for debugging with ICF (Identical Code Folding).
4859         * calls.c (debug.h): New #include.
4860         (emit_call_1): Call virtual_call_token debug hook.
4861         * common.opt (-fenable-icf-debug): New option.
4862         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
4863         locations in the source).
4864         (poc_label_num): New variable.
4865         (dcall_entry, vcall_entry): New typedefs.
4866         (dcall_table, vcall_table): New variables.
4867         (struct vcall_insn): New type.
4868         (vcall_insn_table): New variable.
4869         (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
4870         (size_of_dcall_table): New function.
4871         (output_dcall_table): New function.
4872         (size_of_vcall_table): New function.
4873         (output_vcall_table): New function.
4874         (dwarf2out_direct_call): New function.
4875         (vcall_insn_table_hash): New function.
4876         (vcall_insn_table_eq): New function.
4877         (dwarf2out_virtual_call_token): New function.
4878         (dwarf2out_virtual_call): New function.
4879         (dwarf2out_init): Allocate new tables and sections.
4880         (prune_unused_types): Mark DIEs referenced from direct call table.
4881         (dwarf2out_finish): Output direct and virtual call tables.
4882         * final.c (final_scan_insn): Call direct_call and virtual_call
4883         debug hooks.
4884         * debug.h (struct gcc_debug_hooks): Add direct_call,
4885         virtual_call_token, virtual_call hooks.
4886         (debug_nothing_uid): New function.
4887         * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
4888         (debug_nothing_uid): New function.
4889         * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
4890         (xcoff_debug_hooks): Likewise.
4891         * sdbout.c (sdb_debug_hooks): Likewise.
4892         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4893         * doc/invoke.texi (-fenable-icf-debug): New option.
4894
4895 2009-10-08  Alexandre Oliva  <aoliva@redhat.com>
4896
4897         PR debug/41353
4898         * regmove.c (regmove_backward_pass): Replace src with dst in the
4899         debug insn, and check for dst before rather than after.
4900
4901 2009-10-08  Janis Johnson <janis187@us.ibm.com>
4902
4903         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
4904         (TARGET_DELEGITIMIZE_ADDRESS): Likewise.
4905
4906 2009-10-08  Jan Hubicka  <jh@suse.cz>
4907
4908         PR middle-end/41626
4909         * cgraphbuild.c (record_reference): When parameter DATA is NULL,
4910         do not mark cgraph nodes as needed.
4911         (record_references_in_initializer): Add new only_vars parameter.
4912         * cgraph.h (record_references_in_initializer): New parameter.
4913         * varasm.c (assemble_variable): Update call.
4914         * varpool.c (varpool_analyze_pending_decls): Always look for
4915         referenced vars.
4916
4917 2009-10-08  Anatoly Sokolov  <aesok@post.ru>
4918
4919         * config/avr/avr.c (last_insn_address) Remove variable.
4920         (expand_prologue): Don't initialise last_insn_address variable.
4921         (final_prescan_insn): Don't output insn size.
4922         * config/avr/avr.opt (msize): Remove switch.
4923         * doc/invoke.texi (AVR Options): Remove documentation of -msize
4924         switch.
4925
4926 2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>
4927
4928         * combine.c (label_tick_ebb_start): Fix comment.
4929         (combine_instructions): Set label_tick and label_tick_ebb_start before
4930         calling setup_incoming_promotions.  Start them from 1.  Increment
4931         label_tick instead of deriving it from the BB index.  Rather than
4932         comparing ticks use the block from the previous iteration to decide
4933         whether to start a new EBB.  Remove empty lines before function.
4934
4935 2009-10-08  Michael Matz  <matz@suse.de>
4936
4937         PR middle-end/41573
4938         * builtins.c (fold_builtin_isascii): Use fold_build2.
4939         (fold_builtin_isdigit): Ditto.
4940         * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
4941         * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
4942         remove_useless_stmts_cond, remove_useless_stmts_tf,
4943         remove_useless_stmts_tc, remove_useless_stmts_bind,
4944         remove_useless_stmts_goto, remove_useless_stmts_label,
4945         remove_useless_stmts_1, remove_useless_stmts,
4946         pass_remove_useless_stmts): Remove.
4947         * tree-pass.h (pass_remove_useless_stmts): Don't declare.
4948         * passes.c (init_optimization_passes): Don't add
4949         pass_remove_useless_stmts.
4950         * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
4951         * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
4952         static constants.
4953         * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
4954         for static constants.
4955         * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
4956         * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.
4957
4958 2009-10-08  Richard Guenther  <rguenther@suse.de>
4959
4960         * gimple.c (free_gimple_type_tables): New function.
4961         * gimple.h (free_gimple_type_tables): Declare.
4962
4963 2009-10-07  Mark Heffernan  <meheff@google.com>
4964
4965         * ipa-prop.c (ipa_print_node_params) Only print
4966         names of named arguments.
4967
4968 2009-10-08  Rafael Avila de Espindola  <espindola@google.com>
4969
4970         * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
4971         being statically linked.
4972
4973 2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4974
4975         * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.
4976
4977 2009-10-08  Jan Hubicka  <jh@suse.cz>
4978
4979         PR bootstrap/41620
4980         * ipa.c (cgraph_externally_visible_p,
4981         function_and_variable_visibility,
4982         whole_program_function_and_variable_visibility): Skip non-finalized
4983         nodes.
4984
4985 2009-10-08  Nick Clifton  <nickc@redhat.com>
4986
4987         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
4988         CONST_DOUBLEs.
4989
4990 2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>
4991
4992         PR bootstrap/37739
4993         * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.
4994
4995 2009-10-07  Joseph Myers  <joseph@codesourcery.com>
4996
4997         PR c/41182
4998         * c-common.c (c_fully_fold_internal): Strip nops from the result
4999         of recursive calls to c_fully_fold_internal.
5000         (c_wrap_maybe_const): New.
5001         (c_save_expr): Use c_wrap_maybe_const.
5002         * c-common.h (c_wrap_maybe_const): Declare.
5003         * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
5004         build_binary_op): Use c_wrap_maybe_const.
5005
5006 2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5007
5008         * real.c: Fix comment to reflect actual exponent size.
5009
5010 2009-10-08  Ben Elliston  <bje@au.ibm.com>
5011
5012         * config/rs6000/a2.md: Add FSF comment header.
5013
5014 2009-10-07  Uros Bizjak  <ubizjak@gmail.com>
5015
5016         * config/i386/i386.md (any_extend): New code iterator.
5017         (u, s): New code attributes.
5018         (sgnprefix): Ditto.
5019         (DWIH): Rewrite as code iterator for SI and DI modes.
5020         (DWI): Rewrite as mode attribute.
5021         (dwi): New mode attribute.
5022         (di): Depend on SI mode and DI mode.
5023         (doubleint_general_operand): Remove mode attribute.
5024
5025         (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
5026         DWIH mode iterator.
5027
5028         (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
5029         (*sub<mode>3_doubleword): Ditto.
5030
5031         (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
5032         using SWIM248 mode iterator.
5033         (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
5034         using SWI48 mode iterator.
5035         (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
5036         patterns using DWIH mode iterator and any_extend code iterator.
5037         (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
5038         using any_extend code iterator.
5039         (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
5040         patterns using DWIH mode iterator and any_extend code iterator.
5041         (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
5042         using any_extend code iterator.
5043         (<s>mul<mode>3_highpart): Macroize expander from
5044         {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
5045         and any_extend code iterator.
5046         (*<s>muldi3_highpart_1): Macroize insn from
5047         *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
5048         (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
5049         patterns using any_extend code iterator.
5050         (*<s>mulsi3_highpart_zext): Macroize insn from
5051         *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.
5052
5053 2009-10-07  Jakub Jelinek  <jakub@redhat.com>
5054
5055         * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
5056         DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
5057         refering to a DIE with DW_AT_const_value.
5058
5059 2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>
5060
5061         PR middle-end/22072
5062         * ira-lives.c (check_and_make_def_conflict): Process all operands.
5063
5064 2009-10-06  Jan Hubicka  <jh@suse.cz>
5065
5066         * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
5067         correctly.
5068
5069 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
5070
5071         * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
5072         *lea_2_rex64): Move before *add<mode>_1 pattern.
5073
5074 2009-10-07  Jan Hubicka  <jh@suse.cz>
5075
5076         * collect2.c (main): Add -fno-whole-program.
5077         * gcc.c (set_collect_gcc_options): Do not remove whole program here.
5078
5079 2009-10-07  Jan Hubicka  <jh@suse.cz>
5080
5081         * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
5082         has no address taken.
5083         * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
5084         never needed.
5085         (cgraph_clone_node): Clear externally_visible flag for clones.
5086         * cgraph.h (cgraph_only_called_directly_p,
5087         cgraph_can_remove_if_no_direct_calls_p): New predicates.
5088         * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
5089         * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
5090         (ipcp_initialize_node_lattices, ipcp_estimate_growth,
5091         ipcp_insert_stage): Likwise.
5092         * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
5093         externally_visible flag.
5094         (verify_cgraph_node): Verify that inline clones look right.
5095         (process_function_and_variable_attributes): Do not set
5096         externally_visible flags.
5097         (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
5098         been already run.
5099         * lto-cgraph.c (lto_output_node): Assert that inline clones are not
5100         boundaries.
5101         * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
5102         clear externally_visible when turning into inline clones
5103         (cgraph_mark_inline_edge): Use new predicates.
5104         (cgraph_estimate_growth): Likewise.
5105         (cgraph_decide_inlining): Likewise.
5106         * ipa.c (cgraph_postorder): Likewise.
5107         (cgraph_remove_unreachable_nodes): Likewise; sanity check
5108         that inline clones are not needed.
5109         (cgraph_externally_visible_p): New predicate.
5110         (function_and_variable_visibility): Add whole_program parameter;
5111         always set externally_visible flag; handle COMDAT function
5112         privatization.
5113         (local_function_and_variable_visibility): New function.
5114         (gate_whole_program_function_and_variable_visibility): New function.
5115         (whole_program_function_and_variable_visibility): New function.
5116         (pass_ipa_whole_program_visibility): New function.
5117         * passes.c  (init_optimization_passes): Add whole program visibility
5118         pass.
5119         (do_per_function_toporder, function_called_by_processed_nodes_p): Do
5120         not care about needed/reachable flags.
5121         * varpool.c: Include flags.h
5122         (decide_is_variable_needed): When doing LTO assume whole-program mode.
5123         (varpool_finalize_decl): When we are in LTO read-back, all variables
5124         are analyzed.
5125         (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
5126
5127 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5128
5129         * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
5130         add MASK_HARD_DFP.
5131
5132 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5133
5134         * config.gcc: Don't include the makefile fragments intended for
5135         libgcc.
5136         * config/s390/fixdfdi.h: File removed.
5137         * config/s390/libgcc-glibc.ver: File removed.
5138         * config/s390/s390.h: Remove the fixdfdi.h hack.
5139         * config/s390/t-crtstuff: File moved to libgcc dir.
5140         * config/s390/t-linux: Likewise.
5141         * config/s390/t-tpf: libgcc specific parts removed.
5142         * config/s390/t-linux64: Likewise.
5143
5144 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
5145
5146         * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
5147         (lto-compress.o): Likewise.
5148
5149 2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>
5150
5151         PR target/41512
5152         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
5153         dllexport to class members here.
5154         (i386_pe_determine_dllimport_p): Only check static class data for
5155         definition.
5156         (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
5157         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
5158         functions for vague linkage.
5159         (i386_pe_type_dllexport_p): Fix formatting.
5160         (maybe_add_dllexport) New function.
5161         (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
5162         to class members.
5163
5164 2009-10-07  Ben Elliston  <bje@au.ibm.com>
5165
5166         * config/rs6000/a2.md: Remove duplicated lines.
5167
5168 2009-10-07  Ben Elliston  <bje@au.ibm.com>
5169
5170         * config.gcc (powerpc*-*-*): Handle a2.
5171         * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
5172         * config/rs6000/a2.md: New file.
5173         * config/rs6000/rs6000.opt (mno-update): New.
5174         (mupdate): Return to using a mask, not a var.
5175         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
5176         (enum processor_type): Add PROCESSOR_PPCA2.
5177         * config/rs6000/rs6000.c (ppca2_cost): New costs.
5178         (rs6000_override_options): Add "a2" to processor_target_table.
5179         Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
5180         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.
5181
5182 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
5183
5184         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
5185         Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
5186         reference to nonexistent gen_truncxfxf2 function.
5187
5188 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
5189
5190         * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
5191         (DWIH, g, di, doubleint_general_operand): New mode attributes.
5192         (general_operand): Handle TI mode.
5193         (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
5194         using SDWIM mode iterator.
5195         (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
5196         pattern from *add{di,ti}3_1 patterns and corresponding splitters
5197         using DWI mode iterator.
5198         (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
5199         patterns using SWI mode iterator.
5200         (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
5201         using SWI48 mode iterator.
5202         (*add<mode>_1): Ditto from add{si,di}_1 patterns.
5203         (*add<mode>_2): Ditto from add{si,di}_2 patterns.
5204         (*add<mode>_3): Ditto from add{si,di}_3 patterns.
5205         (*add<mode>_5): Ditto from add{si,di}_5 patterns.
5206         (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
5207         using SDWIM mode iterator.
5208         (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
5209         pattern from *sub{di,ti}3_1 patterns and corresponding splitters
5210         using DWI mode iterator.
5211         (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
5212         patterns using SWI mode iterator.
5213         (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
5214         (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
5215         (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
5216         (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
5217         patterns using plusminus code iterator.
5218         (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
5219         sub<mode>3 patterns using plusminus code iterator.
5220         * config/i386/i386.c (override_options): Update the call to
5221         gen_subdi_carry_rex64 for renamed function.
5222         (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
5223         and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
5224         calls to instruction expanders.
5225
5226 2009-10-06  Martin Jambor  <mjambor@suse.cz>
5227
5228         PR bootstrap/41395
5229         * opts.c (decode_options): Run IPA-SRA at -O2.
5230
5231 2009-10-06  Richard Guenther  <rguenther@suse.de>
5232
5233         * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.
5234
5235 2009-10-06  Tobias Burnus  <burnus@net-b.de>
5236
5237         PR lto/41591
5238         * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
5239         -flto and -fwhole-program flags can be combined.
5240
5241 2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>
5242
5243         PR driver/41217
5244         * gcc.c (process_command): Check that -o argument was specified.
5245
5246 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
5247
5248         * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.
5249
5250 2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5251
5252         * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
5253         * doc/invoke.texi (Warning Options): Annotate allowed languages
5254         for -Wunsuffixed-float-constants.
5255
5256 2009-10-05  Jakub Jelinek  <jakub@redhat.com>
5257
5258         * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
5259         DW_TAG_{const,volatile}_type if its DW_AT_type already has the
5260         same name and isn't the main variant.
5261
5262         PR debug/41558
5263         * dwarf2out.c (loc_by_reference): Removed.
5264         (dw_loc_list_1): New function.
5265         (dw_loc_list): Remove toplev argument, add want_address argument.
5266         Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
5267         (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
5268         want_address == 2 to dw_loc_list.  For successful dw_loc_list
5269         set have_address to 1 only if want_address is not 0.
5270
5271 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
5272
5273         * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
5274         * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
5275         a code block followed by two pointers.
5276         (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
5277         * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
5278         (MIPS_MOVE): Likewise.
5279         (MIPS_LUI): Likewise.
5280         (MIPS_JR): Likewise.
5281         (MIPS_BAL): Likewise.
5282         (MIPS_NOP): Likewise.
5283         (mips_asm_trampoline_template): Delete.
5284         (mips_trampoline_code_size): New function.
5285         (mips_trampoline_init): Add shorter sequences for all cases
5286         except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
5287         Calculate the opcodes directly, rather than copying from a template.
5288         Only flush the code part of the trampoline.
5289         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
5290
5291 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
5292
5293         * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
5294         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
5295         (INCOMING_RETURN_ADDR_RTX): Likewise.
5296         (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
5297         with AT_REGNUM.
5298         * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
5299         with RETURN_ADDR_REGNUM.
5300         (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
5301         * config/mips/mips.c (mips16_build_call_stub): Replace
5302         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
5303         with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
5304         (mips_print_operand_punctuation): Likewise.
5305         (mips_frame_set): Likewise.
5306         (mips16e_output_save_restore): Likewise.
5307         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5308         (mips_save_reg_p): Likewise.
5309         (mips_return_addr): Likewise.
5310         (mips_set_return_address): Likewise.
5311         (mips_direct_save_slot_move_p): Likewise.
5312         (mips_output_function_prologue): Likewise.
5313         (mips_restore_reg): Likewise.
5314         (mips_expand_epilogue): Likewise.
5315         (mips_epilogue_uses): Likewise.
5316         * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
5317         (*mov<mode>_ra): Use it instead of a hard-coded 31.
5318         (clear_hazard_<mode>): Likewise.
5319         (call_internal): Likewise.
5320         (call_internal_direct): Likewise.
5321         (call_direct_split): Likewise.
5322         (call_value_internal): Likewise.
5323         (call_value_split): Likewise.
5324         (call_value_internal_direct): Likewise.
5325         (call_value_direct_split): Likewise.
5326         (call_value_multiple_internal): Likewise.
5327         (call_value_multiple_split): Likewise.
5328
5329 2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
5330             Jakub Jelinek  <jakub@redhat.com>
5331
5332         PR rtl-optimization/41511
5333         * combine.c (record_value_for_reg): Pass explicit values as argument
5334         to get_last_value_validate.
5335         (get_last_value_validate): Document INSN parameter.
5336         For non-readonly MEMs, assume they might have been modified if INSN
5337         was in another basic block.
5338         (get_last_value): Minor reformatting.
5339
5340 2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5341
5342         PR tree-opt/40992
5343         * final.c (asm_str_count): Split out from asm_insn_count.
5344         * rtl.h (asm_str_count): New prototype.
5345         * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
5346         asm_str_count.
5347
5348 2009-10-05  Sriraman Tallam  <tmsriram@google.com>
5349
5350         * doc/plugins.texi: Change plugin_pass to register_pass_info.
5351
5352 2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
5353             Rafael Espindola  <espindola@google.com>
5354
5355         * gengtype.c (write_types): Moved call to write_func_for_structure
5356         into seperate loops.
5357
5358 2009-10-05  Richard Guenther  <rguenther@suse.de>
5359
5360         PR lto/41281
5361         * lto-cgraph.c (output_cgraph): Output toplevel asms.
5362         (input_cgraph_1): Input toplevel asms.
5363
5364 2009-10-05  Richard Guenther  <rguenther@suse.de>
5365
5366         PR lto/40902
5367         * lto-symtab.c (lto_compatible_attributes_p): Remove.
5368         (external_aggregate_decl_p): Likewise.
5369         (lto_symtab_compatible): Re-structure.  Remove dead code.
5370         For variables ignore toplevel qualifiers when comparing types.
5371         Issue warnings, not errors for mismatched user-alignment.
5372
5373 2009-10-05  Richard Guenther  <rguenther@suse.de>
5374
5375         PR lto/41552
5376         PR lto/41487
5377         * lto-symtab.c (struct lto_symtab_base_def): Remove.
5378         (struct lto_symtab_identifier_def): Likewise.
5379         (struct lto_symtab_decl_def): Likewise.
5380         (struct lto_symtab_entry_def): New.
5381         (lto_symtab_identifier_t): Rename to ...
5382         (lto_symtab_entry_t): ... this.
5383         (lto_symtab_decls): Remove.
5384         (lto_symtab_base_hash): Rename to ...
5385         (lto_symtab_entry_hash): ... this.
5386         (lto_symtab_base_eq): Rename to ...
5387         (lto_symtab_entry_eq): ... this.
5388         (lto_symtab_base_marked_p): Rename to ...
5389         (lto_symtab_entry_marked_p): ... this.
5390         (lto_symtab_identifier_marked_p): Remove.
5391         (lto_symtab_decl_marked_p): Likewise.
5392         (lto_symtab_maybe_init_hash_tables): Rename to ...
5393         (lto_symtab_maybe_init_hash_table): ... this.
5394         (lto_symtab_set_resolution_and_file_data): Remove.
5395         (lto_symtab_register_decl): New function.
5396         (lto_symtab_get_identifier): Remove.
5397         (lto_symtab_get): New function.
5398         (lto_symtab_get_resolution): Adjust.
5399         (lto_symtab_get_identifier_decl): Remove.
5400         (lto_symtab_set_identifier_decl): Likewise.
5401         (lto_symtab_merge_decl): Rename to ...
5402         (lto_symtab_merge): ... this.  Rewrite.
5403         (lto_symtab_merge_var): Remove.
5404         (lto_symtab_merge_fn): Likewise.
5405         (lto_symtab_prevailing_decl): Adjust.
5406         (lto_cgraph_replace_node): New function.
5407         (lto_symtab_merge_decls_2): Likewise.
5408         (lto_symtab_merge_decls_1): Likewise.
5409         (lto_symtab_fixup_var_decls): Likewise.
5410         (lto_symtab_resolve_symbols): Likewise.
5411         (lto_symtab_merge_decls): Likewise.
5412         (lto_symtab_prevailing_decl): Adjust.
5413         (lto_symtab_get_symtab_def): Remove.
5414         (lto_symtab_get_file_data): Likewise.
5415         (lto_symtab_clear_resolution): Adjust.
5416         (lto_symtab_clear_resolution): Likewise.
5417         * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
5418         (input_cgraph_1): Likewise.
5419         * lto-streamer-in.c (get_resolution): Do not provide fake
5420         symbol resolutions here.
5421         (deferred_global_decls): Remove.
5422         (lto_register_deferred_decls_in_symtab): Likewise.
5423         (lto_register_var_decl_in_symtab): Change signature, register
5424         variable via lto_symtab_register_decl.
5425         (lto_register_function_decl_in_symtab): Likewise.
5426         (lto_read_tree): Adjust.
5427         * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
5428         (lto_symtab_merge_var): Likewise.
5429         (lto_symtab_merge_fn): Likewise.
5430         (lto_symtab_register_decl): Declare.
5431         (lto_symtab_merge_decls): Likewise.
5432
5433 2009-10-05  Richard Guenther  <rguenther@suse.de>
5434
5435         PR tree-optimization/23821
5436         * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
5437         * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
5438         simple IV increments.
5439
5440 2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5441
5442         * config/arm/arm.c (arm_override_options): Really initialize
5443         flag_dwarf2_cfi_asm to 0.
5444
5445 2009-10-05  Doug Kwan  <dougkwan@google.com>
5446
5447         PR rtl-optimization/41574
5448         * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
5449         floating point and we are not doing unsafe math optimizations.
5450
5451 2009-10-03  Simon Baldwin  <simonb@google.com>
5452             Cary Coutant  <ccoutant@google.com>
5453             Rafael Espindola  <espindola@google.com>
5454             Richard Guenther  <rguenther@suse.de>
5455             Jan Hubicka  <jh@suse.cz>
5456             Doug Kwan <dougkwan@google.com>
5457             H.J. Lu  <hongjiu.lu@intel.com>
5458             Bill Maddox  <maddox@google.com>
5459             Ryan Mansfield  <rmansfield@qnx.com>
5460             Diego Novillo  <dnovillo@google.com>
5461             Ollie Wild  <aaw@google.com>
5462             Kenneth Zadeck <zadeck@naturalbridge.com>
5463
5464         * lto-cgraph.c: New file.
5465         * lto-compress.c: New file.
5466         * lto-compress.h: New file.
5467         * lto-opts.c: New file.
5468         * lto-section-in.c: New file.
5469         * lto-section-out.c: New file.
5470         * lto-streamer-in.c: New file.
5471         * lto-streamer-out.c: New file.
5472         * lto-streamer.c: New file.
5473         * lto-streamer.h: New file.
5474         * lto-symtab.c: New file.
5475         * lto-wpa-fixup.c: New file.
5476         * lto-wrapper.c: New file.
5477
5478 2009-10-03  Simon Baldwin  <baldwin@google.com>
5479             Ben Elliston  <bje@au.ibm.com>
5480             Rafael Espindola  <espindola@google.com>
5481             Nathan Froyd  <froydnj@codesourcery.com>
5482             Jan Hubicka  <jh@suse.cz>
5483             Doug Kwan  <dougkwan@google.com>
5484             Diego Novillo  <dnovillo@google.com>
5485             Kenneth Zadeck  <zadeck@naturalbridge.com>
5486
5487         * Makefile.in (enable_lto): New.
5488         (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
5489         (LINKER_PLUGIN_API_H): Define.
5490         (LTO_SYMTAB_H): Define.
5491         (LTO_STREAMER_H): Define.
5492         (TREE_VECTORIZER_H): Define.
5493         (INCLUDES): Add LIBELFINC.
5494         (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
5495         lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
5496         lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
5497         (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
5498         (native): Add lto-wrapper$(exeext)
5499         (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
5500         lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
5501         lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
5502         (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
5503         (varasm.o): Add dependency on tree-iterator.h.
5504         (cgraph.o): Add dependency on cif-code.def.
5505         (ipa-reference.o): Add dependency on LTO_STREAMER_H.
5506         (ipa-pure-const.o): Likewise.
5507         (GTFILES): Add lto-symtab.c.
5508         (install-lto-wrapper): New.
5509         * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
5510         and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
5511         * config.in: Regenerate.
5512
5513 2009-10-03  Rafael Espindola  <espindola@google.com>
5514             Diego Novillo  <dnovillo@google.com>
5515
5516         * cgraphunit.c (ipa_passes): Prevent lto1 from calling
5517         ipa_write_summaries.
5518         Call execute_ipa_summary_passes for all_regular_ipa_passes and
5519         all_lto_gen_passes.
5520         (cgraph_optimize): Make extern.
5521
5522 2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
5523             Kenneth Zadeck <zadeck@naturalbridge.com>
5524
5525         * toplev.c (in_lto_p): Declare.
5526         * collect2.c (scan_prog_file): Read all the output when reading
5527         information for LTO.
5528         (enum lto_mode_d): Declare.
5529
5530 2009-10-03  Richard Guenther  <rguenther@suse.de>
5531             Diego Novillo  <dnovillo@google.com>
5532
5533         * gimple.c: Include target.h and alias.h.
5534         (gimple_types): Declare.
5535         (type_hash_cache): Declare.
5536         (gimple_alloc_stat): Make extern.
5537         (gimple_build_eh_must_not_throw): Call
5538         gimple_eh_must_not_throw_set_fndecl.
5539         (struct type_pair_d): Declare.
5540         (type_pair_t): Declare.
5541         (type_pair_hash): New.
5542         (type_pair_eq): New.
5543         (lookup_type_pair): New.
5544         (gimple_force_type_merge): New.
5545         (compare_type_names_p): New.
5546         (compare_field_offset): New.
5547         (gimple_types_compatible_p): New.
5548         (struct sccs): Declare.
5549         (next_dfs_num): Declare.
5550         (iterative_hash_gimple_type): New.
5551         (visit): New.
5552         (iterative_hash_type_name): New.
5553         (iterative_hash_gimple_type): New.
5554         (gimple_type_hash): New.
5555         (gimple_type_eq): New.
5556         (gimple_register_type): New.
5557         (print_gimple_types_stats): New.
5558         (gimple_signed_or_unsigned_type): New.
5559         (gimple_unsigned_type): New.
5560         (gimple_signed_type): New.
5561         (gimple_get_alias_set): New.
5562         (gimple_decl_printable_name): Do not use DMGL_TYPES.
5563         * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
5564         (gimple_force_type_merge): Declare.
5565         (gimple_types_compatible_p): Declare.
5566         (gimple_register_type): Declare.
5567         (print_gimple_types_stats): Declare.
5568         (gimple_unsigned_type): Declare.
5569         (gimple_signed_type): Declare.
5570         (gimple_get_alias_set): Declare.
5571         (gimple_eh_must_not_throw_set_fndecl): New.
5572
5573 2009-10-03  Jan Hubicka  <jh@suse.cz>
5574             Kenneth Zadeck <zadeck@naturalbridge.com>
5575
5576         * ipa-pure-const.c: Include lto-streamer.h.
5577         (register_hooks): Factor out of ...
5578         (generate_summary): ... here.
5579         (pure_const_write_summary): New.
5580         (pure_const_read_summary): New.
5581         (pass_ipa_pure_const): Add pure_const_write_summary and
5582         pure_const_read_summary.
5583         * ipa-reference.c: Include lto-streamer.h.
5584         (add_new_function): New.
5585         (remove_node_data): New.
5586         (duplicate_node_data): New.
5587         (ipa_init): Guard against multiple calls.
5588         Move hook setup from analyze_function.
5589         (write_node_summary_p): New.
5590         (ipa_reference_write_summary): New.
5591         (ipa_reference_read_summary): New.
5592         (pass_ipa_reference): Add ipa_reference_write_summary and
5593         ipa_reference_read_summary.
5594         * cgraph.h (cgraph_local_info): Add field lto_file_data.
5595         (struct cgraph_edge): Add fields lto_stmt_uid and
5596         call_stmt_cannot_inline_p.
5597         (cgraph_optimize): Declare.
5598         (cgraph_decide_is_function_needed): Declare.
5599         (reset_inline_failed): Declare.
5600         (enum LTO_cgraph_tags): Declare.
5601         (LTO_cgraph_tag_names): Declare.
5602         (LCC_NOT_FOUND): Define.
5603
5604 2009-10-03  Doug Kwan  <dougkwan@google.com>
5605             Rafael Espindola  <espindola@google.com>
5606             Jan Hubicka  <jh@suse.cz>
5607             Diego Novillo  <dnovillo@google.com>
5608             Kenneth Zadeck  <zadeck@naturalbridge.com>
5609
5610         * passes.c (all_regular_ipa_passes): New.
5611         (all_ipa_passes): Rename to all_small_ipa_passes.
5612         (init_optimization_passes): Init all_regular_ipa_passes.
5613         * tree-pass.h (all_regular_ipa_passes): New.
5614         (all_ipa_passes): Rename to all_small_ipa_passes.
5615         * passes.c (all_lto_gen_passes): New.
5616         (init_optimization_passes): Initialize all_lto_gen_passes.
5617         (execute_ipa_summary_passes): Make non-static.
5618         (ipa_write_summaries_1): New.
5619         (ipa_write_summaries_2): New.
5620         (ipa_write_summaries): New.
5621         (ipa_write_summaries_of_cgraph_node_set): New.
5622         (ipa_read_summaries_1): New.
5623         (ipa_read_summaries): New.
5624         (execute_ipa_pass_list): Call cgraph_process_new_functions.
5625         (execute_regular_ipa_pass_list): Remove.
5626         (init_optimization_passes): Schedule
5627         pass_rebuild_cgraph_edges and pass_early_inline outside
5628         of pass_all_early_optimizations.  Document reason.
5629         (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
5630         pass_ipa_lto_finish_out): New pass.
5631         (pass_ipa_summary_passes): Start and stop timers if the pass has them.
5632         (execute_all_ipa_transforms): New.
5633         (execute_one_pass): Don't call execute_one_ipa_transform_pass.
5634         (dump_properties, debug_properties): New.
5635         * tree-optimize.c (gate_all_early_local_passes): Return
5636         false if we are in lto1.
5637         (tree_rest_of_compilation): Call execute_all_ipa_transforms.
5638         * tree-pass.h (execute_all_ipa_transforms): Declare.
5639         (pass_ipa_function_and_variable_visibility): Declare.
5640         (pass_ipa_early_inline): Declare.
5641         (pass_ipa_lto_gimple_out): Declare.
5642         (pass_ipa_lto_wpa_fixup): Declare.
5643         (pass_ipa_lto_finish_out): Declare.
5644         (all_small_ipa_passes, all_regular_ipa_passes,
5645         all_lto_gen_passes): Declare.
5646         (execute_ipa_summary_passes): Declare.
5647         (execute_all_ipa_transforms): Declare.
5648         (ipa_write_summaries): Declare
5649         (ipa_write_summaries_of_cgraph_node_set): Declare.
5650         (ipa_read_summaries): Declare.
5651
5652 2009-10-03  Doug Kwan  <dougkwan@google.com>
5653             Ollie Wild  <aaw@google.com>
5654
5655         * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.
5656
5657         * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
5658         (lto_mode): New variable.
5659         (maybe_run_lto_and_relink): Handle the -fwpa option.
5660         (main): Handle the -fwpa option.
5661         (maybe_unlink_list): New function.
5662         * gcc.c (link_lto_options): Replace -flto with -fwpa.
5663         * common.opt (flto): New flag.
5664         * toplev.c (flag_generate_lto): Declare.
5665
5666 2009-10-03  Simon Baldwin  <simonb@google.com>
5667
5668         * common.opt (flto-compression-level): New flag.
5669
5670         * opts.c: Include lto-opts.h.
5671         (handle_option): Call lto_register_user_option for each
5672         valid option handled.
5673         (decode_options): Clear registered options before the options
5674         handling loop.
5675
5676 2009-10-03  Cary Coutant  <ccoutant@google.com>
5677
5678         * collect2.c (is_elf): New function.
5679         (scan_prog_file): Require LTO object to be in ELF format.
5680
5681 2009-10-03  Rafael Espindola  <espindola@google.com>
5682
5683         * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
5684         libgcc to the linker.
5685
5686         * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.
5687
5688         * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
5689         (collect_execute): Add flags argument. Pass flags to pex_run. Update
5690         all callers.
5691         * collect2.h (collect_execute): Add flags argument.
5692         * tlink.c (tlink_execute): Update call to collect_execute.
5693         * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
5694         (use_linker_plugin): New.
5695         (use_linker_plugin_spec_function): New.
5696         (LINK_COMMAND_SPEC): Pass plugin options to the linker.
5697         (linker_plugin_file_spec): New.
5698         (lto_wrapper_spec): New.
5699         (lto_gcc_spec): New.
5700         (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
5701         (static_spec_functions): Add use-linker-plugin.
5702         (process_command): Handle -use-linker-plugin.
5703         (main): Use lto_wrapper_spec instead of lto_wrapper. Set
5704         linker_plugin_file_spec and lto_gcc_spec.
5705         (use_linker_plugin_spec_function): New.
5706
5707 2009-10-03  Richard Guenther  <rguenther@suse.de>
5708
5709         PR lto/41547
5710         PR lto/41548
5711         * tree.h (is_lang_specific): Include LANG_TYPE.
5712         * tree.c (find_decls_types_r): Manually add interesting parts
5713         of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.
5714
5715         * gimple.c (type_pair_hash): Make symmetric.
5716         (type_pair_eq): Likewise.
5717         (lookup_type_pair): Increase initial hashtable size.
5718         (gimple_force_type_merge): Rely on type-pair symmetry.
5719         (visit): Remove excessive checking code.
5720         (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
5721         (gimple_register_type): Remove getenv calls, shrink initial
5722         hashtable size.
5723
5724         PR middle-end/41502
5725         * cgraphunit.c (ipa_passes): Do not remove bodies of extern
5726         inline functions if not generating lto output.
5727
5728         PR lto/41379
5729         * toplev.c (finalize): In WPA mode remove the asm file.
5730
5731 2009-10-03  Doug Kwan  <dougkwan@google.com>
5732
5733         * ipa-inline.c (cgraph_mark_inline): Check
5734         edge->call_stmt_cannot_inline_p instead of calling
5735         gimple_call_cannot_inline_p.
5736         (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
5737         (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
5738         (inline_generate_summary): Do nothing in LTRANS.
5739         * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
5740         exists before calling gimple_call_cannot_inline_p.
5741         (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
5742         (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
5743         Update new_edge->lto_stmt_uid.
5744         * cgraphbuild.c (reset_inline_failed): New.
5745
5746         * common.opt (fwpa): New flag.
5747         (fltrans): New option.
5748         * gcc.c (gcc_lto_option_t): New type.
5749         (current_lto_option): New variable.
5750         (lto_single_spec_function): Remove and is replaced by ..
5751         (lto_option_spec_function): New function.
5752         (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
5753         passing the -flto flag.
5754         (cc1_options): Separate non-LTO related parts into ..
5755         (cc1_non_lto_options): Non-LTO related options shared by all FEs.
5756         (lto1_options): New spec for lto FE.
5757         (link_lto_options): New spec for handling LTO flags in linker.
5758         (invoke_lto_single): Re-format to fit in 80 column.  Replace
5759         lto-single with lto-option.
5760         (static_specs): Add cc1_non_lto_options, lto1_options and
5761         link_lto_options.
5762         (static_spec_function): Replace lto-single with lto-option.
5763         (process_command): Handle -flto, -fwpa and -fltran by setting
5764         current_lto_option and not passing it to subprocess unconditionally.
5765
5766 2009-10-03  Bill Maddox  <maddox@google.com>
5767
5768         Add `gcc' driver support for link-time code generation (LTO).
5769
5770         * collect2.c (enum pass): Add new literal PASS_LTOINFO.
5771         (lto_flag, lto_objects, lto_o_file): New variables.
5772         (struct lto_object, struct lto_object_list): New structures.
5773         (collect_exit, handler): Remove LTO temporary output file on exit.
5774         (add_lto_object): New function.
5775         (maybe_run_lto_and_relink): New function. Perform link time code
5776         generation and relinking for object files containing LTO information.
5777         (main): Invoke maybe_run_lto_and_relink().
5778         (dump_argv): New function.  For debugging, currently disabled.
5779         (scan_prog_file): Add LTO information pass.
5780         * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
5781         collect2.
5782         * toplev.c (compile_file): Emit assembler directive to create
5783         the `gnu_lto_v1' marker symbol when compiling with `-flto'.
5784
5785 2009-10-03  Diego Novillo  <dnovillo@google.com>
5786
5787         * c.opt: Add LTO to warn_abi and warn_psabi.
5788
5789         * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
5790         inline function.  Ignore language-specific nodes.  Update all users.
5791         (find_decls_types_r): Do not traverse the subtrees of
5792         language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
5793         * tree.h (is_lang_specific): New.
5794         * langhooks.h (struct lang_hooks_for_decls): Remove
5795         may_need_assembler_name_p.  Update all users.
5796
5797         * c-common.c (set_builtin_user_assembler_name): Move ...
5798         * builtins.c (set_builtin_user_assembler_name): ... here.
5799         (is_builtin_name): Add comment
5800         (is_builtin_fn): New.
5801         * except.c (output_ttype): Only call
5802         lookup_type_for_runtime if TYPE is not a runtime type.
5803
5804         * passes.c (register_pass): Call position_pass on
5805         all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
5806         * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
5807         (TV_IPA_LTO_DECL_IO): Define.
5808         (TV_IPA_LTO_CGRAPH_IO): Define.
5809         (TV_LTO): Define.
5810         (TV_WHOPR_WPA): Define.
5811         (TV_WHOPR_WPA_IO): Define.
5812         (TV_WHOPR_LTRANS): Define.
5813         (TV_WHOPR_WPA_FIXUP): Define.
5814         (TV_WHOPR_WPA_LTRANS_EXEC): Define.
5815         * tree-cfg.c (tree_node_can_be_shared): Make extern.
5816         * tree-flow.h (tree_node_can_be_shared): Declare.
5817         * tree-inline.c (tree_can_inline_p): Check that E has a
5818         statement associated with it.
5819         * tree.c (free_lang_data_in_binf): Factor out of ...
5820         (free_lang_data_in_type): ... here.
5821         Call RECORD_OR_UNION_TYPE_P.
5822         (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
5823         set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
5824         (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
5825         (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
5826         write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
5827         (gate_free_lang_data): Return true if flag_generate_lto is set.
5828         (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
5829         * c-common.h (set_builtin_user_assembler_name): Move ...
5830         * tree.h (set_builtin_user_assembler_name): ... here.
5831
5832         * common.opt (flto-report): New flag.
5833         * opts.c (complain_wrong_lang): Do not complain if running lto1.
5834         * collect2.c (scan_prog_file): Send the error output of
5835         'nm' to HOST_BIT_BUCKET.
5836
5837 2009-10-03  Ollie Wild  <aaw@google.com>
5838
5839         * langhooks-def.h (lhd_begin_section): New function declaration.
5840         (lhd_write_section): New function declaration.
5841         (lhd_end_section): New function declaration.
5842         (LANG_HOOKS_BEGIN_SECTION): New macro.
5843         (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
5844         (LANG_HOOKS_END_SECTION): New macro.
5845         (LANG_HOOKS_LTO): New macro.
5846         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
5847         * langhooks.c (output.h): Add include.
5848         (saved_section): New static variable.
5849         (lhd_begin_section): New function.
5850         (lhd_write_section_data): New function.
5851         (lhd_end_section): New function.
5852         * langhooks.h (struct lang_hooks_for_lto): New structure.
5853         (struct lang_hooks): Add member lto.
5854         * Makefile.in (langhooks.o): Add dependency on output.h.
5855
5856         * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.
5857
5858 2009-10-03  Richard Guenther  <rguenther@suse.de>
5859
5860         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
5861         Handle LTO.
5862
5863 2009-10-03  Simon Baldwin  <simonb@google.com>
5864             Richard Guenther  <rguenther@suse.de>
5865             Janis Johnson  <janis187@us.ibm.com>
5866             Doug Kwan  <dougkwan@google.com>
5867             Diego Novillo  <dnovillo@google.com>
5868             Ramana Radhakrishnan  <ramana.r@gmail.com>
5869             Ollie Wild  <aaw@google.com>
5870
5871         * doc/install.texi: Add documentation for libelf and --enable-lto.
5872         * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
5873         -flto-report, -flto-compression-level and -use-linker-plugin.
5874         * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
5875         Add section for LTO Testing.
5876
5877 2009-10-02  Cary Coutant  <ccoutant@google.com>
5878
5879         Add support for comdat type sections for DWARF v4.
5880         Merge from dwarf4 branch.
5881
5882         * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
5883         (dw_die_ref): Define vector type.
5884         (enum dw_val_class): Add dw_val_class_data8.
5885         (struct dw_val_struct): Add v.val_data8.
5886         (comdat_type_node_ref): New type.
5887         (struct die_struct): Move die_symbol into a union; add new field
5888         die_type_node.  Change all uses.
5889         (comdat_type_node): New type.
5890         (skeleton_chain_node): New type.
5891         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
5892         (comdat_type_list): New variable.
5893         (dwarf_tag_name): Add DW_TAG_type_unit.
5894         (dwarf_attr_name): Add DW_AT_signature.
5895         (add_AT_data8): New function.
5896         (replace_child): New function.
5897         (move_all_children): New function.
5898         (print_signature): New function.
5899         (print_die): Print signature information; add dw_val_class_data8.
5900         (attr_checksum): Support dw_val_class_data8.
5901         (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
5902         (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
5903         (checksum_sleb128, checksum_uleb128): New functions.
5904         (checksum_die_context): New function.
5905         (loc_checksum_ordered): New function.
5906         (attr_checksum_ordered): New function.
5907         (struct checksum_attributes): New structure.
5908         (collect_checksum_attributes): New function.
5909         (die_checksum_ordered): New function.
5910         (generate_type_signature): New function.
5911         (same_dw_val_p): Add dw_val_class_data8.
5912         (is_symbol_die): Use new is_declaration_die function.
5913         (is_declaration_die): New function.
5914         (should_move_die_to_comdat): New function.
5915         (clone_die): New function.
5916         (clone_tree): New function.
5917         (clone_as_declaration): New function.
5918         (copy_declaration_context): New function.
5919         (generate_skeleton_ancestor_tree): New function.
5920         (generate_skeleton_bottom_up): New function.
5921         (generate_skeleton): New function.
5922         (remove_child_or_replace_with_skeleton): New function.
5923         (break_out_comdat_types): New function.
5924         (struct decl_table_entry): New type.
5925         (htab_decl_hash): New function.
5926         (htab_decl_eq): New function.
5927         (htab_decl_del): New function.
5928         (copy_ancestor_tree): New function.
5929         (copy_decls_walk): New function.
5930         (copy_decls_for_unworthy_types): New function.
5931         (build_abbrev_table): Don't assert on missing die_symbol when doing
5932         comdat type sections.
5933         (size_of_die): Use DW_FORM_sig8 for external references.  Add
5934         dw_val_class_data8.
5935         (unmark_dies): Don't assert for unmarked dies when doing comdat
5936         type sections.
5937         (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
5938         (output_signature): New function.
5939         (output_die): Likewise.
5940         (output_compilation_unit_header): Mark output as DWARF version 3
5941         even if generating DWARF 4.
5942         (output_comdat_type_unit): New function.
5943         (output_line_info): Mark output as DWARF version 3 even if generating
5944         DWARF 4.
5945         (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
5946         DWARF-4.
5947         (dwarf2out_end_source_file): Likewise.
5948         (prune_unused_types_walk_attribs): Don't follow references into
5949         comdat type sections.
5950         (prune_unused_types_mark): When generating type units, do not mark
5951         children of non-defining declarations of types; do mark children of
5952         type entries.
5953         (prune_unused_types): Process comdat type sections.
5954         (htab_ct_hash): New function.
5955         (htab_ct_eq): New function.
5956         (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
5957         Add a pointer to the line table from type unit entries so
5958         DW_AT_decl_file has meaning.
5959         * varasm.c (default_elf_asm_named_section): Use identifier name as
5960         comdat key instead of lang hook.
5961
5962 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
5963
5964         * gcov-io.c (gcov_open): Open files read-only when MODE < 0.
5965
5966 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
5967
5968         * config/i386/i386.md (SWIM248): New mode iterator.
5969         (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
5970         divmodhi4 patterns using SWIM248 macro.
5971         (*divmod<mode>4): Macroize insn_and_split pattern from
5972         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
5973         and their corresponding splitters usign SWIM248 macro.  Split SImode
5974         insn to generate cltd and DImode insn to generate cqto instead of
5975         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
5976         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
5977         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
5978         *divmodsi_noext patterns using SWIM248 macro.
5979         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
5980         udivmodhi4 patterns using SWIM248 macro.
5981         (*udivmod<mode>4): Macroize insn_and_split pattern from
5982         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
5983         corresponding splitters using SWIM248 macro.
5984         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
5985         *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.
5986
5987 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
5988
5989         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
5990         of zero-sized element is zero-sized regardless of its extent.
5991
5992 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
5993
5994         PR debug/40521
5995         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
5996         * configure: Regenerated.
5997         * config.in: Regenerated.
5998         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
5999         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
6000         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
6001         not emitting .eh_frame, emit .cfi_sections .debug_frame
6002         directive.
6003
6004         PR debug/41404
6005         PR debug/41353
6006         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
6007         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
6008         with '\0'.
6009         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
6010         vars use DECL_RTL with resetting it back to NULL afterwards.
6011         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
6012         rtx_equal_p instead of asserting it is a SYMBOL_REF.
6013         (value_format): For dw_val_class_addr only use DW_FORM_addr if
6014         the attribute type allows it, otherwise use DW_FORM_dataN.
6015         (mem_loc_descriptor): Handle CONST_STRING.
6016         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
6017         Handle MEM with CONST_STRING address using add_AT_string.
6018         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
6019         CONST_STRING for const arrays initialized with a string literal.
6020         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
6021         (dwarf2out_finish): Call resolve_addr.
6022
6023 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
6024             Maxim Kuvyrkov  <maxim@codesourcery.com>
6025
6026         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
6027
6028 2009-10-02  Nick Clifton  <nickc@redhat.com>
6029
6030         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
6031         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
6032
6033 2009-10-01  Jan Hubicka  <jh@suse.cz>
6034
6035         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
6036         (cgraph_create_virtual_clone): Just pass redirect_callers
6037         around.
6038         * cgraph.h (cgraph_clone_node): Update prototype.
6039         * ipa-pure-const.c (self_recursive_p): New function.
6040         (propagate): Use it.
6041         * ipa-inline.c (cgraph_clone_inlined_nodes,
6042         cgraph_decide_recursive_inlining): Update.
6043
6044 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
6045
6046         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
6047         instructions for TARGET_OCTEON.
6048
6049 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6050
6051         * config/arm/arm.c (arm_override_options): Turn off
6052         flag_dwarf2_cfi_asm for AAPCS variants.
6053
6054 2009-10-01  Martin Jambor  <mjambor@suse.cz>
6055
6056         PR middle-end/12392
6057         * tree-sra.c (convert_callers): Do not call
6058         compute_inline_parameters on one caller more than once.
6059
6060 2009-10-01  Nick Clifton  <nickc@redhat.com>
6061
6062         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
6063         an empty string if not already defined.
6064
6065 2009-10-01  Martin Jambor  <mjambor@suse.cz>
6066
6067         PR bootstrap/41395
6068         * tree-sra.c (is_va_list_type): New function.
6069         (find_var_candidates): Call is_va_list_type.
6070         (find_param_candidates): Check that the type or the type pointed
6071         to are not va_list types.
6072
6073 2009-10-01  Martin Jambor  <mjambor@suse.cz>
6074
6075         PR c++/41503
6076         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
6077         DECL_ARTIFICIAL (param_decl) is true.
6078
6079 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
6080
6081         * tree.h (tree_decl_common::lang_flag_8): New.
6082         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
6083         keyword.
6084         * c-common.h (RID_CONSTEXPR): New.
6085
6086 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
6087
6088         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
6089         Use ref-all pointers.
6090         (alpha_gimplify_va_arg): Ditto.
6091
6092 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
6093
6094         PR target/41279
6095         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
6096         before insn counting loop now that BB_END (bb) is counted.  Ensure
6097         the return value isn't zero.
6098
6099 2009-09-30  Nick Clifton  <nickc@redhat.com>
6100
6101         * config.gcc (sh-symbianelf): Replace definition of extra_objs
6102         with separate definitions of c_target_objs and cxx_target_objs.
6103         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
6104         and symbian-base.o.
6105         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
6106         sh_symbian_import_export_class.
6107         * config/sh/sh-protos.h: Fix names of exported symbian functions.
6108         * config/sh/symbian.c: Delete, moving code into...
6109         * config/sh/symbian-base.c: ... here
6110         * config/sh/symbian-c.c: ... and here
6111         * config/sh/symbian-cxx.c: ... and here.
6112
6113 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
6114
6115         PR target/22093
6116         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
6117         of plus RTX into register.
6118
6119 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6120
6121         * doc/install.texi: Linguistic and markup fixes.
6122         (Configuration) <--disable-cpp>: Remove description.
6123         <--enable-maintainer-mode>: Autotools files are affected, too.
6124         <--with-sysroot>: Improve description.
6125         (Building): Bump required GNU make version.
6126
6127 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
6128
6129         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
6130         (x86_64-*-*): Ditto.
6131
6132         * config/i386/fma4intrin.h: New file, provide common x86 compiler
6133         intrinisics for FMA4.
6134         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
6135         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
6136         Add FMA4 check and fma4intrin.h.
6137         * config/i386/i386-c.c(ix86_target_macros_internal): Check
6138         ISA_FLAG for FMA4.
6139         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
6140         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
6141         constant for FMA4 support.
6142         (UNSPEC_FMA4_FMADDSUB): Ditto.
6143         (UNSPEC_FMA4_FMSUBADD): Ditto.
6144         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
6145         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
6146         (ix86_expand_fma4_multiple_memory): Ditto.
6147         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
6148         (OPTION_MASK_ISA_FMA4_UNSET): New.
6149         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
6150         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
6151         (ix86_handle_option): Handle -mfma4.
6152         (isa_opts): Handle -mfma4.
6153         (enum pta_flags): Add PTA_FMA4.
6154         (override_options): Add FMA4 support.
6155         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
6156         (IX86_BUILTIN_VFMADDSD): Ditto.
6157         (IX86_BUILTIN_VFMADDPS): Ditto.
6158         (IX86_BUILTIN_VFMADDPD): Ditto.
6159         (IX86_BUILTIN_VFMSUBSS): Ditto.
6160         (IX86_BUILTIN_VFMSUBSD): Ditto.
6161         (IX86_BUILTIN_VFMSUBPS): Ditto.
6162         (IX86_BUILTIN_VFMSUBPD): Ditto.
6163         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
6164         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
6165         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
6166         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
6167         (IX86_BUILTIN_VFNMADDSS): Ditto.
6168         (IX86_BUILTIN_VFNMADDSD): Ditto.
6169         (IX86_BUILTIN_VFNMADDPS): Ditto.
6170         (IX86_BUILTIN_VFNMADDPD): Ditto.
6171         (IX86_BUILTIN_VFNMSUBSS): Ditto.
6172         (IX86_BUILTIN_VFNMSUBSD): Ditto.
6173         (IX86_BUILTIN_VFNMSUBPS): Ditto.
6174         (IX86_BUILTIN_VFNMSUBPD): Ditto.
6175         (IX86_BUILTIN_VFMADDPS256): Ditto.
6176         (IX86_BUILTIN_VFMADDPD256): Ditto.
6177         (IX86_BUILTIN_VFMSUBPS256): Ditto.
6178         (IX86_BUILTIN_VFMSUBPD256): Ditto.
6179         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
6180         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
6181         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
6182         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
6183         (IX86_BUILTIN_VFNMADDPS256): Ditto.
6184         (IX86_BUILTIN_VFNMADDPD256): Ditto.
6185         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
6186         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
6187         (enum multi_arg_type): New enum for describing the various FMA4
6188         intrinsic argument types.
6189         (bdesc_multi_arg): New table for FMA4 intrinsics.
6190         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
6191         (ix86_expand_multi_arg_builtin): New function for creating FMA4
6192         intrinsics.
6193         (ix86_expand_builtin): Add FMA4 intrinsic support.
6194         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
6195         operand instructions.
6196         (ix86_expand_fma4_multiple_memory): New function to split the
6197         second memory reference from FMA4 instructions.
6198         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
6199         (ssemodesuffixf2s): Ditto.
6200         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
6201         instructions.
6202         (fma4_fmsub<mode>4): Ditto.
6203         (fma4_fnmadd<mode>4): Ditto.
6204         (fma4_fnmsub<mode>4): Ditto.
6205         (fma4_vmfmadd<mode>4): Ditto.
6206         (fma4_vmfmsub<mode>4): Ditto.
6207         (fma4_vmfnmadd<mode>4): Ditto.
6208         (fma4_vmfnmsub<mode>4): Ditto.
6209         (fma4_fmadd<mode>4256): Ditto.
6210         (fma4_fmsub<mode>4256): Ditto.
6211         (fma4_fnmadd<mode>4256): Ditto.
6212         (fma4_fnmsub<mode>4256): Ditto.
6213         (fma4_fmaddsubv8sf4): Ditto.
6214         (fma4_fmaddsubv4sf4): Ditto.
6215         (fma4_fmaddsubv4df4): Ditto.
6216         (fma4_fmaddsubv2df4): Ditto.
6217         (fma4_fmsubaddv8sf4): Ditto.
6218         (fma4_fmsubaddv4sf4): Ditto.
6219         (fma4_fmsubaddv4df4): Ditto.
6220         (fma4_fmsubaddv2df4): Ditto.
6221         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
6222         instructions for intrinsics.
6223         (fma4i_fmsub<mode>4): Ditto.
6224         (fma4i_fnmadd<mode>4): Ditto.
6225         (fma4i_fnmsub<mode>4): Ditto.
6226         (fma4i_vmfmadd<mode>4): Ditto.
6227         (fma4i_vmfmsub<mode>4): Ditto.
6228         (fma4i_vmfnmadd<mode>4): Ditto.
6229         (fma4i_vmfnmsub<mode>4): Ditto.
6230         (fma4i_fmadd<mode>4256): Ditto.
6231         (fma4i_fmsub<mode>4256): Ditto.
6232         (fma4i_fnmadd<mode>4256): Ditto.
6233         (fma4i_fnmsub<mode>4256): Ditto.
6234         (fma4i_fmaddsubv8sf4): Ditto.
6235         (fma4i_fmaddsubv4sf4): Ditto.
6236         (fma4i_fmaddsubv4df4): Ditto.
6237         (fma4i_fmaddsubv2df4): Ditto.
6238         (fma4i_fmsubaddv8sf4): Ditto.
6239         (fma4i_fmsubaddv4sf4): Ditto.
6240         (fma4i_fmsubaddv4df4): Ditto.
6241         (fma4i_fmsubaddv2df4): Ditto.
6242
6243         * doc/invoke.texi (-mfma4): Add documentation.
6244         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
6245
6246 2009-09-29  Richard Henderson  <rth@redhat.com>
6247
6248         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
6249         an edge to the new destination block.
6250
6251 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6252
6253         PR target/41393
6254         * pa.c (hppa_profile_hook): Use
6255         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
6256
6257 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
6258             Alexander Monakov  <amonakov@ispras.ru>
6259
6260         PR target/41365
6261         * config/ia64/predicates.md (not_postinc_destination_operand): New.
6262         (not_postinc_memory_operand): New.
6263         (not_postinc_move_operand): New.
6264         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
6265         (*cmovsi_internal): Ditto.
6266
6267 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
6268
6269         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
6270         restrict issue_rate in first pass when scheduling for register
6271         pressure.
6272
6273 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
6274             Rafael Avila de Espindola  <espindola@google.com>
6275
6276         * gengtype.c (plugin_output): New.
6277         (get_output_file_with_visibility): Return plugin_output for plugins.
6278         (main): Parse and use the -P option.
6279         * gty.texi: Update the command line format.
6280
6281 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
6282
6283         PR debug/41438
6284         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
6285         functions.
6286         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
6287         out if !const_ok_for_output.
6288
6289         PR debug/41474
6290         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
6291         case VAR_LOCATION>: Remove gcc_unreachable ().
6292
6293 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
6294
6295         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
6296         (x86_64-*-*): Ditto.
6297         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
6298         back to smmintrin.h.
6299         * config/i386/cpuid.h (bit_SSE5): Remove SSE5 bit.
6300         * config/i386/x86intrin.h: Remove SSE5.
6301         * config/i386/mmintrin-common.h: Delete file.
6302         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
6303
6304 2009-09-29  Richard Guenther  <rguenther@suse.de>
6305
6306         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
6307         resulting from stack temporaries on STRICT_ALIGNMENT targets.
6308
6309 2009-09-29  Nick Clifton  <nickc@redhat.com>
6310
6311         * function.c (current_function_name): If there is no current
6312         function just return "<none>".
6313
6314 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
6315
6316         * tree-pass.h (register_pass_info): New structure.
6317         (pass_positioning_ops): Move enum from gcc-plugin.h.
6318         (register_pass): New function.
6319         * gcc-plugin.h (plugin_pass): Delete structure.
6320         (pass_positioning_ops): Delete enum.
6321         * plugin.c (regsiter_pass): Delete function.
6322         (position_pass): Delete function.
6323         (added_pass_nodes): Delete variable.
6324         (prev_added_pass_nodes): Delete variable.
6325         (pass_list_node): Delete structure.
6326         * passes.c (make_pass_instance): New function.
6327         (next_pass_1): Change to call make_pass_instance.
6328         (pass_list_node): Move structure from gcc-plugin.h.
6329         (added_pass_nodes): Move variable from plugin.c.
6330         (prev_added_pass_nodes): Move variable from plugin.c.
6331         (position_pass): New function.
6332         (register_pass): New function.
6333
6334 2009-09-28  Easwaran Raman  <eraman@google.com>
6335
6336         * ifcvt.c (noce_try_abs): Recognize pattern and call
6337         expand_one_cmpl_abs_nojump.
6338         * optabs.c (expand_one_cmpl_abs_nojump): New function.
6339         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
6340
6341 2009-09-28  Ian Lance Taylor  <iant@google.com>
6342
6343         PR middle-end/40500
6344         * c-opts.c (c_common_handle_option): Don't set
6345         warn_jump_misses_init for -Wall.
6346         * doc/invoke.texi (Warning Options): Update documentation.
6347
6348 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6349
6350         * Makefile.in ($(out_object_file)): Depend on
6351         gt-$(basename $(notdir $(out_file))).h.
6352
6353 2009-09-28  Richard Henderson  <rth@redhat.com>
6354
6355         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
6356         * except.c (gen_eh_region): Set it.
6357         (duplicate_eh_regions_1): Copy it.
6358         * tree-eh.c (lower_resx): Use it to determine which function
6359         to call to resume.
6360
6361         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
6362         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
6363         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
6364         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
6365         BUILT_IN_CXA_END_CLEANUP if necessary.
6366
6367         * c-common.c (c_define_builtins): Update call to
6368         build_common_builtin_nodes.
6369
6370 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6371
6372         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
6373
6374 2009-09-28  Michael Matz  <matz@suse.de>
6375
6376         * builtins.c (interclass_mathfn_icode): New helper.
6377         (expand_builtin_interclass_mathfn): Use it here, and split folding
6378         into ...
6379         (fold_builtin_interclass_mathfn): ... this new folder.
6380         (build_call_nofold_loc): New static helper.
6381         (build_call_nofold): New wrapper macro for above.
6382         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
6383         (expand_builtin_pow): Ditto.
6384         (expand_builtin_memset_args): Ditto.
6385         (expand_builtin_printf): Ditto.
6386         (expand_builtin_fprintf): Ditto.
6387         (expand_builtin_sprintf): Ditto.
6388         (expand_builtin_memory_chk): Ditto.
6389         (expand_builtin_mempcpy_args): Ditto and don't call folders.
6390         (expand_builtin_stpcpy): Ditto.
6391         (expand_builtin_strcmp): Ditto.
6392         (expand_builtin_strncmp): Ditto.
6393         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
6394         (expand_builtin_strcpy_args): Don't call folders.
6395         (expand_builtin_memcmp): Ditto.
6396         (expand_builtin_strncpy): Ditto, and use target.
6397         (expand_builtin_memcpy): Ditto.
6398         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
6399         expand_builtin_strpbrk, expand_builtin_memmove,
6400         expand_builtin_memmove_args, expand_builtin_bcopy,
6401         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
6402         expand_builtin_strspn, expand_builtin_strcspn,
6403         expand_builtin_fputs): Remove these.
6404         (expand_builtin): Don't call the above, change calls to other
6405         expanders that changed prototype.
6406         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
6407         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
6408         fold_builtin_interclass_mathfn.
6409         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
6410         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
6411
6412         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
6413         * passes.c (init_optimization_passes): Move pass_fold_builtins
6414         after last phiopt pass.
6415         * tree-inline.c (fold_marked_statements): When folding builtins
6416         iterate over all instruction potentially generated.
6417         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
6418         earlier.
6419         (fold_gimple_call): Use it to always fold calls (into potentially
6420         multiple instructions).
6421         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
6422         calls into zero at this time.
6423         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
6424         statements generated by builtin folding.
6425
6426 2009-09-28  Nick Clifton  <nickc@redhat.com>
6427
6428         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.
6429
6430 2009-09-28  Duncan Sands  <baldrick@free.fr>
6431
6432         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
6433         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
6434         (register_callback): Dispatch it.
6435         (invoke_plugin_callbacks): Incorporate in sanity check.
6436         * ggc.h (ggc_register_cache_tab): Add declaration.
6437         * ggc-common.c (ggc_register_root_tab): Simplify.
6438         (const_ggc_cache_tab_t): New typedef.
6439         (extra_cache_vec): New vector of dynamically added cache tables.
6440         (ggc_register_cache_tab): New function.
6441         (ggc_scan_cache_tab): New function.
6442         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
6443         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
6444
6445 2009-09-27  Richard Henderson  <rth@redhat.com>
6446
6447         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
6448         which we remove __builtin_stack_restore.
6449
6450 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6451
6452         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
6453         to test for GRD_INVARIANT.
6454         (simple_rhs_p): Anything that's function_invariant_p is fine.
6455
6456 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
6457
6458         * gengtype.c (main): Use plunge_files instead of plugin_output.
6459
6460 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
6461             Rafael Avila de Espindola  <espindola@google.com>
6462
6463         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
6464         Don't print pch related info if it is false.
6465         (main): Don't print pch info in plugin mode.
6466
6467 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
6468
6469         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
6470         with dw_val_class_const_double.
6471         (struct dw_val_struct): Replace val_long_long with val_double and
6472         adjust for above change.
6473         (output_loc_operands): Likewise.
6474         (add_AT_long_long): Rename into...
6475         (add_AT_double): ...this.
6476         (print_die): Replace dw_val_class_long_long with
6477         dw_val_class_const_double and adjust.
6478         (attr_checksum): Likewise.
6479         (same_dw_val_p): Likewise.
6480         (size_of_die): Likewise.
6481         (value_format): Likewise.
6482         (output_die): Likewise.
6483         (loc_descriptor) <CONST_DOUBLE>: Likewise.
6484         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
6485         instead of add_AT_long_long.
6486         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
6487         value with the precision of its type.
6488
6489 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
6490
6491         PR c/41476
6492         * c-typeck.c (build_conditional_expr): Use the readonly and
6493         volatile flags of the operand types, not of the operands itself.
6494
6495 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
6496
6497         * collect2.c (main): Look for -brtl before adding libraries.
6498
6499 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
6500
6501         * config.gcc: Update OpenBSD targets.
6502         * config/openbsd-stdint.h: New file.
6503         * config/openbsd-libpthread.h: New file.
6504         * config/openbsd.h: Update and break out LIB_SPEC definition.
6505         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
6506         * config/i386/openbsdelf.h: Correct types.
6507         * config/m68k/openbsd.h: Likewise.
6508         * config/mips/openbsd.h: Likewise.
6509         * config/vax/openbsd.h: Likewise.
6510
6511 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
6512
6513         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
6514         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
6515         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
6516         of the length and zero.
6517
6518 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6519
6520         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
6521         (FLAGS_H): Add options.h $(REAL_H).
6522         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
6523         (TREE_VECTORIZER_H): New.
6524         (EBITMAP_H): Renamed from EBIMAP_H.
6525         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
6526         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
6527         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
6528         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
6529         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
6530         (graphite-clast-to-gimple.o, graphite-dependences.o)
6531         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
6532         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
6533         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
6534         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
6535         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
6536         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
6537         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
6538         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
6539         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
6540         updated and fixed as per above changes and per
6541         check_makefile_deps.sh output.
6542
6543         PR bootstrap/40928
6544         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
6545         * configure: Regenerate.
6546
6547 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6548
6549         * doc/install.texi: Update minimum MPC version to 0.7.
6550
6551 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
6552
6553         * doc/install.texi (Binaries): Remove reference to the binary
6554         distribution CD-ROM from the FSF.
6555
6556 2009-09-26  Michael Matz  <matz@suse.de>
6557
6558         PR lto/40758
6559         PR middle-end/41470
6560         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
6561         that are mentioned in the body.
6562
6563 2009-09-26  Michael Matz  <matz@suse.de>
6564
6565         PR tree-optimization/41454
6566         * tree-ssa-dom (stmts_to_rescan): Remove variable.
6567         (tree_ssa_dominator_optimize): Don't allocate and free it.
6568         (dom_opt_leave_block): Don't iterate over it.
6569         (eliminate_redundant_computations): Don't return a value.
6570         (cprop_operand, cprop_into_stmt): Ditto.
6571         (optimize_stmt): Don't defer updating stmts.
6572
6573 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
6574
6575         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
6576         generic_parameter_die, template_parameter_pack_die,
6577         gen_formal_parameter_die, gen_subprogram_die): Adjust after
6578         renaming DW_TAG_formal_parameter_pack and
6579         DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
6580         and DW_TAG_GNU_template_parameter_pack.
6581
6582 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
6583
6584         * config/v850/v850.h (FUNCTION_VALUE): Remove.
6585         * config/v850/v850.c (v850_function_value): New function.
6586         (TARGET_FUNCTION_VALUE): Define.
6587
6588 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
6589
6590         * tree-vect-stmts.c (vectorizable_call): Call
6591         mark_symbols_for_renaming after vect_finish_stmt_generation.
6592
6593         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
6594         to loc_descriptor_from_tree.
6595         (add_location_or_const_value_attribute): Pass 0 instead of 2
6596         for decl_by_reference_p decls.
6597
6598 2009-09-25  Richard Guenther  <rguenther@suse.de>
6599
6600         PR middle-end/41463
6601         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
6602         arrays again.
6603
6604 2009-09-25  Ben Elliston  <bje@au.ibm.com>
6605
6606         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
6607         after `power7'.
6608
6609 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
6610
6611         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
6612         form of instruction.
6613
6614 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6615
6616         PR middle-end/41435
6617         * fold-const.c (const_binop): Handle complex int division.
6618         * tree-complex.c (expand_complex_div_straight,
6619         expand_complex_div_wide): Update comments.
6620
6621 2009-09-24  DJ Delorie  <dj@redhat.com>
6622
6623         PR target/41456
6624         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
6625         (reg_class): Likewise.
6626         (REG_CLASS_NAMES): Likewise.
6627         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
6628         (m32c_override_options): Disable -fivopts for M32C.
6629
6630 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
6631
6632         * config/rs6000/predicates.md (indexed_or_indirect_operand):
6633         Delete VSX load/store with update support.
6634         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
6635         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
6636         (vsx_movti): Ditto.
6637         (VSX_U): Delete.
6638         (VSbit): Ditto.
6639         (VStype_load_update): Ditto.
6640         (VStype_store_update): Ditto.
6641         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
6642         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
6643
6644         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
6645         load/store with update builtins.
6646
6647 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
6648
6649         * libgcc2.c (L_trampoline): Prototype for getpagesize
6650         and mprotect in WINNT case.
6651
6652 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
6653
6654         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
6655         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
6656         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
6657         'outgoing' argument.
6658         (TARGET_FUNCTION_VALUE): Define.
6659
6660 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6661
6662         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
6663
6664 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6665
6666         PR bootstrap/41405
6667         * common.opt: Initialize dwarf_strict to -1.
6668         * toplev.c (process_options): Catch unset dwarf_strict
6669         and set to 0 for all targets not overriding.
6670         * config/darwin.c (darwin_override_options): Catch unset
6671         dwarf_strict and override to 1.
6672
6673 2009-09-24  Jeff Law  <law@redhat.com>
6674
6675         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
6676
6677 2009-09-24  Richard Guenther  <rguenther@suse.de>
6678
6679         PR tree-optimization/36143
6680         PR tree-optimization/38747
6681         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
6682         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
6683
6684 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
6685
6686         PR bootstrap/41457
6687         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
6688         return false instead of gcc_unreachable ().  For CONST return the
6689         value returned by recursive call instead of always returning true.
6690         (tree_add_const_value_attribute): Return the value returned by
6691         add_const_value_attribute instead of always returning true if rtl
6692         is non-NULL.
6693
6694 2009-09-23  Justin Seyster  <jrseys@gmail.com>
6695
6696         * Makefile.in (PLUGIN_HEADERS): Include real.h.
6697
6698 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
6699
6700         * cgraphunit.c (cgraph_lower_function): Revert last change.
6701         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
6702         instead of DECL_NO_STATIC_CHAIN.
6703         * tree-cfg.c (verify_gimple_call): Likewise.
6704         * tree-nested.c (get_chain_decl, get_chain_field,
6705         convert_tramp_reference_op, convert_gimple_call): Likewise.
6706         (convert_all_function_calls): Likewise.  Always set or clear
6707         DECL_STATIC_CHAIN initially, for !n->outer clear it.
6708         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
6709         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
6710         if nested.
6711         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
6712         DECL_NO_STATIC_CHAIN.
6713         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
6714         instead of DECL_NO_STATIC_CHAIN.
6715         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
6716         decl_function_context.
6717         * varasm.c (initializer_constant_valid_p): Likewise.
6718         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
6719         (DECL_STATIC_CHAIN): ... this.
6720         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
6721         instead of DECL_NO_STATIC_CHAIN.
6722
6723 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
6724             Rafael Avila de Espindola  <espindola@google.com>
6725
6726         * gengtype.c (nb_plugin_files): Make it unsigned to match
6727         num_gt_files. Adjust other variables to avoid warnings.
6728         (main): Allocate an all zero lang_bitmap before each plugin file name
6729         to match regular file names.
6730
6731 2009-09-23  Richard Henderson  <rth@redhat.com>
6732
6733         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
6734         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
6735         static chain passed in memory.
6736         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
6737         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
6738         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
6739         STATIC_CHAIN_REGNUM defined.
6740
6741         * config/picochip/picochip-protos.h: s/class/klass/.
6742         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
6743         (picochip_static_chain): New.
6744         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
6745         (STATIC_CHAIN_INCOMING): Remove.
6746
6747         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
6748         (xtensa_static_chain): New.
6749         * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
6750         (STATIC_CHAIN_INCOMING): Remove.
6751
6752 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
6753
6754         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
6755         * config/pa/pa-protos.h (function_value): Remove.
6756         * config/pa/pa.c (pa_function_value): Rename from function_value.
6757         Make static, add 'outgoing' argument.
6758         (TARGET_FUNCTION_VALUE): Define.
6759
6760 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
6761
6762         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
6763         instead of cfun->machine->is_leaf.
6764         * config/avr/avr.h (machine_function): Remove is_leaf field.
6765
6766 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
6767
6768         PR debug/41439
6769         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
6770         DW_OP_piece after DW_OP_stack_value, adjust size calculations
6771         for it, when DW_OP_stack_value and DW_OP_implicit_value has
6772         the same size, prefer DW_OP_stack_value.
6773         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
6774         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
6775
6776 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
6777
6778         PR debug/41353
6779         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
6780
6781 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
6782
6783         PR debug/41248
6784         * cfgexpand.c (convert_debug_memory_address): New.
6785         (expand_debug_expr): Convert base address and offset to the same
6786         mode.  Use it to convert addresses to other modes.  Accept
6787         ptr_mode addresses.
6788
6789 2009-09-23  Dodji Seketeli <dodji@redhat.com>
6790
6791         PR debug/41065
6792         * function.h (types_used_by_vars_hash): Declare new hash table.
6793         (types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
6794         equality and hash function for the hash table.
6795         (types_used_by_cur_var_decl): Declare a new global chained list.
6796         (types_used_by_var_decl_insert): Declare new function.
6797         * function.c (types_used_by_vars_hash): Define the hashtable ...
6798         (types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
6799         its equality and hash functions.
6800         (hash_types_used_by_vars_entry): New hash helper.
6801         (types_used_by_cur_var_decl): Define the global chained list.
6802         (used_types_insert): Update the list of types used by the global
6803         variable being parsed.
6804         (types_used_by_var_decl_insert): Define new function.
6805         * c-common.h (record_types_used_by_current_var_decl): Declare ...
6806         * c-common.c (record_types_used_by_current_var_decl): ... new
6807         function.
6808         * c-decl.c (finish_decl): Record the types used by the global
6809         variable declaration we've just parsed.
6810         * dwarf2out.c (premark_used_types): Insert a new line between
6811         comment and function.
6812         (premark_used_types_helper): Fix comment.
6813         (premark_types_used_by_global_vars_helper,
6814         premark_types_used_by_global_vars): New functions.
6815         (prune_unused_types): Do not prune types used by global variables.
6816
6817 2009-09-23  Richard Guenther  <rguenther@suse.de>
6818
6819         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
6820         produced for bigendian targets with promoted subregs.
6821
6822 2009-09-23  Richard Guenther  <rguenther@suse.de>
6823
6824         * value-prof.c (gimple_ic): Purge old EH edges only after building
6825         the new ones.
6826
6827 2009-09-23  Nick Clifton  <nickc@redhat.com>
6828
6829         * config/arc/arc.c (arc_trampoline_init): Fix typo.
6830
6831 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
6832
6833         PR bootstrap/41405
6834         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
6835
6836         PR bootstrap/41436
6837         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
6838         on non-nested functions.
6839
6840 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
6841             Jan Hubicka  <jh@suse.cz>
6842
6843         * dwarf2out.c (loc_list_plus_const): Only define if
6844         DWARF2_DEBUGGING_INFO.
6845         (address_of_int_loc_descriptor): Likewise.
6846
6847         PR debug/41411
6848         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
6849
6850 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
6851
6852         PR c/39779
6853         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
6854         constant is more than zero.
6855
6856 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
6857
6858         PR target/40473
6859         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
6860         call final to emit non-scheduled prologue, instead insert at entry.
6861
6862 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
6863             Joseph S. Myers  <joseph@codesourcery.com>
6864
6865         * doc/install.texi (*-*-freebsd*): Add proper format codes.
6866
6867 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
6868             Rafael Avila de Espindola  <espindola@google.com>
6869
6870         * gengtype.c (is_file_equal): New function.
6871         (close_output_files): Use is_file_equal. Free of->buf.
6872
6873 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
6874             Rafael Avila de Espindola  <espindola@google.com>
6875
6876         * gengtype.c (write_types, write_local): Add the output_header
6877         argument. Update all callers.
6878
6879 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
6880
6881         * dwarf2out.c (template_parameter_pack_die,
6882         gen_formal_parameter_pack_die ): New functions.
6883         (make_ith_pack_parameter_name): Remove this function.
6884         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
6885         DW_TAG_formal_parameter_pack.
6886         (gen_generic_params_dies): Represent each template parameter pack
6887         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
6888         represented by usual DW_TAG_template_*_parameter DIEs that are
6889         children of the DW_TAG_template_parameter_pack element DIE.
6890         (generic_parameter_die): This doesn't deal with parameter pack
6891         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
6892         of parameter pack DIEs.
6893         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
6894         in certain cases, e.g. for pack elements.
6895         (gen_formal_types_die, gen_decl_die): Adjust usage of
6896         gen_formal_parameter_die.
6897         (gen_subprogram_die): Represent each function parameter pack by a
6898         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
6899         represented by usual DW_TAG_formal_parameter DIEs that are children
6900         of the DW_TAG_formal_parameter_pack DIE. Remove references to
6901         ____builtin_va_alist decls as no part of the compiler uses those
6902         anymore.
6903         * langhooks.h (struct lang_hooks_for_decls): Add
6904         function_parm_expanded_from_pack_p, get_generic_function_decl
6905         and function_parameter_pack_p hooks.  Fix comment for
6906         get_innermost_generic_parms hook.
6907         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
6908         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
6909         macros and use them to initialize lang_hook.
6910
6911 2009-09-22  Richard Henderson  <rth@redhat.com>
6912
6913         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
6914         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
6915         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
6916         on TRAMPOLINE_TEMPLATE.
6917         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
6918         TRAMPOLINE_ADJUST_ADDRESS.
6919         * targhooks.c (default_asm_trampoline_template): Remove.
6920         (default_trampoline_adjust_address): Remove.
6921         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
6922         * targhooks.h: Update decls.
6923
6924 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
6925
6926         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
6927         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
6928         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
6929
6930 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
6931
6932         PR debug/41295
6933         * reload1.c (reload): Reset debug insns with pseudos without
6934         equivalences.
6935
6936 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
6937
6938         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
6939         unconditional true for decimal float modes.
6940         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
6941         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
6942
6943 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
6944
6945         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
6946         Enable a new case for __FreeBSD__ >= 7.
6947         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
6948         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
6949         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
6950         and USE_LD_AS_NEEDED.
6951
6952         * doc/install.texi (*-*-freebsd*): Update target information.
6953
6954 2009-09-22  Richard Guenther  <rguenther@suse.de>
6955
6956         PR middle-end/41395
6957         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
6958         arrays really properly.
6959
6960 2009-09-22  Richard Henderson  <rth@redhat.com>
6961
6962         PR target/41246
6963         * target.h (struct gcc_target): Add asm_out.trampoline_template,
6964         calls.static_chain, calls.trampoline_init,
6965         calls.trampoline_adjust_address.
6966         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
6967         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
6968         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
6969         * builtins.c (expand_builtin_setjmp_receiver): Use
6970         targetm.calls.static_chain; only clobber registers.
6971         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
6972         set up memory attributes properly for the trampoline block.
6973         (expand_builtin_adjust_trampoline): Use
6974         targetm.calls.trampoline_adjust_address.
6975         * calls.c (prepare_call_address): Add fndecl argument.  Use
6976         targetm.calls.static_chain.
6977         * df-scan.c (df_need_static_chain_reg): Remove.
6978         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
6979         consolodate static chain handling.
6980         * doc/tm.texi: Document new hooks.
6981         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
6982         (init_emit_regs): Don't initialize them.
6983         * expr.h (prepare_call_address): Update decl.
6984         * final.c (profile_function): Use targetm.calls.static_chain.
6985         * function.c (expand_function_start): Likewise.
6986         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
6987         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
6988         only clobber registers.
6989         * targhooks.c (default_static_chain): New.
6990         (default_asm_trampoline_template, default_trampoline_init): New.
6991         (default_trampoline_adjust_address): New.
6992         * targhooks.h: Declare them.
6993         * varasm.c (assemble_trampoline_template): Use
6994         targetm.asm_out.trampoline_template.  Make the memory block const
6995         and set its size.
6996
6997         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
6998         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
6999         differences into the TARGET_ABI_OPEN_VMS code block.
7000         (TARGET_TRAMPOLINE_INIT): New.
7001         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
7002         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
7003         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
7004         (INITIALIZE_TRAMPOLINE): Remove.
7005
7006         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
7007         (TRAMPOLINE_TEMPLATE): Merge with ...
7008         (INITIALIZE_TRAMPOLINE): ... this and move ...
7009         * config/arc/arc.c (arc_trampoline_init): ... here.
7010         (TARGET_TRAMPOLINE_INIT): New.
7011
7012         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7013         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
7014         (arm_asm_trampoline_template): New.
7015         (arm_trampoline_init, arm_trampoline_adjust_address): New.
7016         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
7017         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
7018         code to arm_asm_trampoline_template.
7019         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
7020         arm_trampoline_adjust_address.
7021         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
7022         adjust for target hook parameters.
7023
7024         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
7025         Remove.
7026
7027         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
7028         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
7029         (bfin_trampoline_init): Rename from initialize_trampoline;
7030         make static; update for target hook parameters.
7031         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
7032         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
7033         bfin_asm_trampoline_template.
7034         (INITIALIZE_TRAMPOLINE): Remove.
7035
7036         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7037         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
7038         cris_trampoline_init): New.
7039         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
7040         cris_asm_trampoline_template.
7041         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
7042         adjust for target hook parameters.
7043
7044         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
7045
7046         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7047         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
7048         fr30_trampoline_init): New.
7049         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
7050         fr30_asm_trampoline_template.
7051         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
7052         adjust for target hook parameters.
7053
7054         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
7055         (frv_trampoline_init): Rename from frv_initialize_trampoline;
7056         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
7057         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
7058         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
7059
7060         * config/h8300/h8300.c (h8300_trampoline_init): New.
7061         (TARGET_TRAMPOLINE_INIT): New.
7062         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
7063         to h8300_trampoline_init and adjust for hook parameters.
7064
7065         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
7066         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
7067         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
7068         make static; adjust for hook parameters.
7069         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
7070
7071         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7072         (TARGET_TRAMPOLINE_INIT): New.
7073         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
7074         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
7075         iq2000_asm_trampoline_template.
7076         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
7077         (TRAMPOLINE_CODE_SIZE): New.
7078         (TRAMPOLINE_SIZE): Use it.
7079         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
7080
7081         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
7082         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
7083         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
7084         adjust for hook parameters.
7085         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
7086
7087         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
7088         (m32r_trampoline_init): New.
7089         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
7090         m32r_trampoline_init.
7091
7092         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
7093         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
7094         make static; update for hook parameters.
7095         * config/m68hc11/m68hc11-protos.h: Update.
7096         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
7097
7098         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7099         (TARGET_TRAMPOLINE_INIT): New.
7100         (mcore_function_value): Fix typo.
7101         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
7102         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
7103         to mcore_asm_trampoline_template.
7104         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
7105
7106         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
7107         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
7108         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
7109         update for hook parameters.
7110         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
7111
7112         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7113         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
7114         mips_trampoline_init): New.
7115         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
7116         mips_asm_trampoline_template.
7117         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
7118         update for hook parameters.
7119
7120         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7121         (TARGET_TRAMPOLINE_INIT): New.
7122         (mmix_trampoline_size): Remove.
7123         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
7124         make static.  Remove out-of-date tetra vs octa comment.
7125         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
7126         make static; update for hook parameters.
7127         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
7128         (INITIALIZE_TRAMPOLINE): Remove.
7129         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
7130         (TRAMPOLINE_ALIGNMENT): New.
7131         * gcc/config/mmix/mmix-protos.h: Update.
7132
7133         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7134         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
7135         mn10300_trampoline_init): New.
7136         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
7137         mn10300_asm_trampoline_template.
7138         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
7139
7140         * config/moxie/moxie.c (moxie_static_chain,
7141         moxie_asm_trampoline_template, moxie_trampoline_init,
7142         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
7143         TARGET_TRAMPOLINE_INIT): New.
7144         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
7145         moxie_trampoline_init.
7146         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
7147         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
7148
7149         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
7150         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
7151         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
7152         pa_trampoline_adjust_address): New.
7153         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
7154         pa_asm_trampoline_template.
7155         (TRAMPOLINE_ALIGNMENT): New.
7156         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
7157         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
7158         adjust for hook parameters.
7159         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
7160
7161         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
7162         (TARGET_TRAMPOLINE_INIT): New.
7163         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
7164         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
7165
7166         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
7167
7168         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
7169         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
7170         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
7171         make static; adjust parameters for the hook.
7172         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
7173
7174         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
7175         s390_trampoline_template; make static.
7176         (s390_trampoline_init): Rename from s390_initialize_trampoline;
7177         make static; adjust for target hook.
7178         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
7179         * config/s390/s390-protos.h: Remove trampoline decls.
7180         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
7181         (TRAMPOLINE_TEMPLATE): Remove.
7182         (TRAMPOLINE_ALIGNMENT): New.
7183
7184         * config/score/score-protos.h (score_initialize_trampoline): Remove.
7185         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7186         (TARGET_TRAMPOLINE_INIT): New.
7187         (score_asm_trampoline_template): New.
7188         (score_trampoline_init): Rename from score_initialize_trampoline;
7189         make static; adjust for hook parameters.
7190         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
7191         score[37]_asm_trampoline_template.
7192         (INITIALIZE_TRAMPOLINE): Remove.
7193         * config/score/score3.c (score3_asm_trampoline_template): New.
7194         (score3_trampoline_init): Rename from score3_initialize_trampoline;
7195         adjust for target hook.
7196         * config/score/score7.c (score7_asm_trampoline_template): New.
7197         (score7_trampoline_init): Rename from score7_initialize_trampoline;
7198         adjust for target hook.
7199         * config/score/score3.h, config/score/score7.h: Update.
7200
7201         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
7202         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
7203         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
7204         (sh_trampoline_init): Rename from sh_initialize_trampoline;
7205         make static; adjust for target hook parameters.
7206         (sh_trampoline_adjust_address): New.
7207         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
7208         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
7209
7210         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
7211         (sparc32_initialize_trampoline): Rename from
7212         sparc_initialize_trampoline; make static; replace tramp parameter
7213         with m_tramp and update memory accesses.
7214         (sparc64_initialize_trampoline): Similarly.
7215         (sparc_trampoline_init): New.
7216         * config/sparc/sparc-protos.h: Remove trampoline decls.
7217         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
7218         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
7219
7220         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
7221         (array_to_constant): Make ARR parameter const.
7222         (spu_trampoline_init): Rename from spu_initialize_trampoline;
7223         make static; update for hook parameters.
7224         * config/spu/spu-protos.h: Update decls.
7225         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
7226
7227         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
7228         from xstormy16_initialize_trampoline; make static; update for
7229         hook parameters.
7230         (TARGET_TRAMPOLINE_INIT): New.
7231         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
7232
7233         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7234         (TARGET_TRAMPOLINE_INIT): New.
7235         (v850_can_eliminate): Make static.
7236         (v850_asm_trampoline_template, v850_trampoline_init): New.
7237         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
7238         v850_asm_trampoline_template.
7239         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
7240         and adjust for target hook parameters.
7241
7242         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7243         (TARGET_TRAMPOLINE_INIT): New.
7244         (vax_asm_trampoline_template, vax_trampoline_init): New.
7245         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
7246         vax_asm_trampoline_template.
7247         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
7248
7249         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
7250         (TARGET_TRAMPOLINE_INIT): New.
7251         (xtensa_asm_trampoline_template): Rename from
7252         xtensa_trampoline_template; make static.
7253         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
7254         make static; update for hook parameters.
7255         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
7256         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
7257         (INITIALIZE_TRAMPOLINE): Remove.
7258
7259         * config/i386/i386.c (ix86_function_regparm): Do not issue an
7260         error for nested functions with regparm=3.
7261         (ix86_compute_frame_layout): Adjust frame pointer offset for
7262         ix86_static_chain_on_stack.
7263         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
7264         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
7265         don't reset to UNITS_PER_WORD.
7266         (ix86_emit_leave): Adjust ix86_cfa_state.
7267         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
7268         (ix86_static_chain): New.
7269         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
7270         make static; update for target hook parameters; use ix86_static_chain.
7271         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
7272         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
7273         (INITIALIZE_TRAMPOLINE): Remove.
7274         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
7275         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
7276         to the end.  Add static_chain_on_stack.
7277         (ix86_static_chain_on_stack): New.
7278
7279         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
7280         (m68k_output_mi_thunk): Don't use static_chain_rtx.
7281         (m68k_trampoline_init): New.
7282         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
7283         m68k_trampoline_init and adjust for hook parameters.
7284         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
7285         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
7286
7287 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
7288
7289         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
7290         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
7291
7292         * reload1.c (reload): Call wrap_constant when substituting
7293         reg for equiv inside of DEBUG_INSNs.
7294
7295         PR bootstrap/41405
7296         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
7297         add_call_src_coords_attributes, add_high_low_attributes,
7298         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
7299         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
7300         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
7301         when -gdwarf-2 -gstrict-dwarf.
7302         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
7303         -gdwarf-[23] -gstrict-dwarf.
7304         (address_of_int_loc_descriptor, loc_descriptor,
7305         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
7306         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
7307         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
7308
7309 2009-09-22  Richard Guenther  <rguenther@suse.de>
7310
7311         PR tree-optimization/41428
7312         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
7313         (ccp_finalize): Pass it to substitute_and_fold.
7314
7315 2009-09-22  Richard Guenther  <rguenther@suse.de>
7316
7317         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
7318         (substitute_and_fold): Adjust prototype.
7319         * tree-vrp.c (vrp_evaluate_conditional): Make static.
7320         (simplify_stmt_using_ranges): Likewise.
7321         (fold_predicate_in): Move here from tree-ssa-propagate.c.
7322         (vrp_fold_stmt): New function.
7323         (vrp_finalize): Pass it to substitute_and_fold.
7324         * tree-flow.h (vrp_evaluate_conditional): Remove.
7325         (simplify_stmt_using_ranges): Likewise.
7326         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
7327         * tree-ssa-copy.c (fini_copy_prop): Likewise.
7328         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
7329         member.
7330         (fold_predicate_in): Move to tree-vrp.c.
7331         (substitute_and_fold): Use the callback instead of calling into
7332         tree-vrp.c functions directly.
7333
7334 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
7335
7336         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
7337         comparison warning on rs6000.
7338
7339         PR middle-end/41429
7340         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
7341         GIMPLE_EH_MUST_NOT_THROW cleanup.
7342         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
7343
7344 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
7345
7346         PR middle-end/41260
7347         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
7348         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
7349         LIB_SPEC for darwin10 and later since it always uses the unwinder in
7350         libSystem which is derived from the gcc 4.2.1 unwinder.
7351
7352 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
7353
7354         PR middle-end/41357
7355         * varasm.c (default_encode_section_info): Copy TLS model into
7356         sym_ref flags regardless of backend support for TLS, for all
7357         model types except TLS_MODEL_EMULATED.
7358
7359 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
7360
7361         PR bootstrap/41404
7362         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
7363         we can handle it correctly.
7364
7365 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
7366
7367         * doc/install.texi (os2): Remove section.
7368
7369 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
7370
7371         * doc/standards.texi (Objective-C): Adjust two URLs.
7372
7373 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
7374
7375         * tree-tailcall.c (process_assignment): Don't check if a
7376         multiplication or an addition are already present.
7377         (find_tail_calls): Combine multiple additions and multiplications.
7378         (adjust_accumulator_values): Emit accumulators.
7379
7380 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
7381
7382         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
7383         xmm register restore.
7384
7385 2009-09-21  Jan Hubicka  <jh@suse.cz>
7386
7387         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
7388         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
7389         restore at the end.
7390
7391 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
7392
7393         * stor-layout.c (layout_type): Remove obsolete code.
7394
7395 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
7396
7397         PR middle-end/41395
7398         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
7399
7400 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7401
7402         PR middle-end/30789
7403         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
7404         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
7405         (fold_builtin_2, do_mpc_arg1): Update accordingly.
7406         * fold-const.c (const_binop): Likewise.
7407         * real.h (do_mpc_arg2): Update prototype.
7408
7409 2009-09-20  Jan Hubicka  <jh@suse.cz>
7410
7411         * dwarf2out.c (add_const_value_attribute): Return true if successful.
7412         (add_location_or_const_value_attribute): Rewrite using
7413         loc_list_from_tree.
7414         (tree_add_const_value_attribute): Return true if successful.
7415         (tree_add_const_value_attribute_for_decl): Likewise.
7416
7417         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
7418         (loc_descriptor): ... here;
7419         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
7420         (cst_pool_loc_descr): Break out from ...; do not reffer constant
7421         pool items that was not marked for output.
7422         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
7423         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
7424         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
7425         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
7426         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
7427         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
7428         DW_OP_stack_value to get address of items that are not available
7429         as addresses.
7430         (dw_loc_list): Handle single element lists correctly.
7431
7432 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
7433             Pascal Obry  <obry@adacore.com>
7434
7435         * unwind-dw2-fde.c (classify_object_over_fdes):
7436         Cast the constant 1 to _Unwind_Ptr.
7437         (add_fdes): Likewise.
7438         (linear_search_fdes): Likewise.
7439
7440 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
7441
7442         * stor-layout.c (set_sizetype): Avoid useless type copy.
7443
7444 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
7445
7446         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
7447         feature check.
7448         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
7449         * configure, config.in: Regenerate.
7450         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
7451         DW_EH_PE_absptr.
7452         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
7453         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
7454         for global data if the output could be used in a shared library.
7455         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
7456         to 0 if TARGET_WRITABLE_EH_FRAME.
7457
7458 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
7459
7460         PR rtl-optimization/39886
7461         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
7462         just when insn is equal to BB_END (bb).
7463
7464 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
7465
7466         * config/mips/mips.opt (mrelax-pic-calls): New option.
7467         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
7468         the file.
7469         (mips_unspec_call): Change "unspec_call" expander into this.
7470         (mips_strip_unspec_call): New function.
7471         (mips_got_load): Call mips_unspec_call instead of
7472         gen_unspec_call<mode>.
7473         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
7474         MIPS_CALL.
7475         (mips_cfg_in_reorg): New function.
7476         (mips16_lay_out_constants): Use it to decide whether to call
7477         CFG-aware insn splitting.
7478         (r10k_insert_cache_barriers): Move CFG set-up code from here to
7479         mips_reorg.  Move DF set-up code from here ...
7480         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
7481         from here.
7482         (mips_reorg): Call mips_df_reorg instead of
7483         r10k_insert_cache_barriers.  Move CFG set-up code here from
7484         r10k_insert_cache_barriers.
7485         (mips_call_expr_from_insn): New function.
7486         (mips_pic_call_symbol_from_set): Likewise.
7487         (mips_find_pic_call_symbol): Likewise.
7488         (mips_annotate_pic_call_expr): Likewise.
7489         (mips_get_pic_call_symbol): Likewise.
7490         (mips_annotate_pic_calls): Likewise.
7491         (mips_override_options): Disable -mrelax-pic-calls unless PIC
7492         calls are used.
7493         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
7494         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
7495         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
7496         directive.
7497         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
7498         (unspec_call<mode>): Remove it.
7499         (sibcall_internal, sibcall_value_internal,
7500         sibcall_value_multiple_internal, call_internal, call_split,
7501         call_value_internal, call_value_split,
7502         call_value_multiple_internal, call_value_multiple_split): Pass
7503         SIZE_OPNO to MIPS_CALL.
7504         (call_internal_direct, call_direct_split,
7505         call_value_internal_direct, call_value_direct_split): Pass -1 as
7506         SIZE_OPNO to MIPS_CALL.
7507         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
7508         * configure: Regenerate.
7509         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
7510         and -mno-relax-pic-calls.
7511         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
7512
7513 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7514
7515         PR bootstrap/35619
7516         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
7517         in the directory this rule is called from, rather than the
7518         toplevel 'gcc' directory, to fix in-tree build.
7519
7520 2009-09-19  Chris Demetriou  <cgd@google.com>
7521
7522         PR preprocessor/28435:
7523         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
7524         to cpplib that the preprocessor output is needed.
7525
7526 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
7527
7528         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
7529         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
7530         *return_and_restore_fpregs_<mode>,
7531         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
7532
7533         PR bootstrap/41397
7534         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
7535         instead of assuming it has always a REG inside of it.
7536
7537 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
7538
7539         * config/freebsd.h: Update comment on types.
7540         (WINT_TYPE): Define.
7541
7542 2009-09-18  Jason Merrill  <jason@redhat.com>
7543
7544         * c.opt: Add -fno-deduce-init-list.
7545
7546 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
7547
7548         * value-prof.c (interesting_stringop_to_profile_p): Added output
7549         argument to indicate which parameter is the size parameter.
7550         * value-prof.c (gimple_stringop_fixed_value): Use
7551         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
7552         * value-prof.c (gimple_stringops_transform): Update call sites to
7553         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
7554
7555 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
7556
7557         PR target/38288
7558         From David Binderman <dcb314@hotmail.com>:
7559         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
7560         local variable f.  Remove stale comments.
7561         (ix86_compute_frame_layout): Remove useless local variable total_size.
7562         Remove #if 0'd code.
7563         (legitimate_address_p): Remove useless local variables
7564         reason_rtx and reason.
7565         (ix86_split_copysign_const): Remove useless local variable op1.
7566         (scale_counter): Remove useless local variable piece_size_mask.
7567
7568 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
7569
7570         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
7571         output decl.
7572
7573 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
7574
7575         PR target/40913
7576         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
7577
7578 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
7579
7580         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
7581         TYPE_STUB_DECL.
7582
7583 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
7584
7585         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
7586         DW_OP_implicit_value even without dwarf_version 4.
7587
7588 2009-09-17  Jan Hubicka  <jh@suse.cz>
7589
7590         * dwarf2out.c: Include tree-pass.h and gimple.h.
7591         (loc_list_plus_const): New function.
7592         (loc_descriptor_from_tree_1): Rename to ...
7593         (loc_descriptor_from_tree): ... remove original.
7594         (loc_list_from_tree): New function.
7595         (add_AT_location_description): Accept location list.
7596         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
7597         (concatn_mem_loc_descriptor): Remove.
7598         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
7599         returning NULL.
7600         (secname_for_decl): Move up.
7601         (hidden_reference_p): New function; break out from ...
7602         (loc_by_refernece): ... here; move up.
7603         (dw_loc_list): New function.
7604         (single_element_loc_list): New function.
7605         (single_element_loc_list_p): New function.
7606         (add_loc_descr_to_each): New function.
7607         (add_loc_list): New function.
7608         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
7609         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
7610         add diagnostics why expansion failed.
7611         (add_location_or_const_value_attribute): Support location lists.
7612         (add_bound_info): Likewise.
7613         (descr_info_loc): Update call of loc_descriptor_from_tree.
7614         (gen_variable_die): Work on location lists.
7615         * final.c (pass_final): Add dump file.
7616         * Makefile.in (dwarf2out.o): Add new dependencies.
7617
7618 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
7619
7620         PR c/41049
7621         * real.c decimal_from_integer, decimal_integer_string): New.
7622         (real_from_integer): Use them as special case for decimal float.
7623         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
7624         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
7625         Do not append zero after the decimal point in string to convert.
7626
7627 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
7628
7629         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
7630         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
7631
7632 2009-09-17  Martin Jambor  <mjambor@suse.cz>
7633
7634         * common.opt (fipa-sra): New switch.
7635         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
7636         * timevar.def (TV_IPA_SRA): New timevar.
7637         * params.def (ipa-sra-ptr-growth-factor): New parameter.
7638         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
7639         * tree-sra.c: Include cgraph.c.
7640         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
7641         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
7642         and grp_not_necessarilly_dereferenced.
7643         (func_param_count): New variable.
7644         (encountered_apply_args): New variable.
7645         (bb_dereferences): New variable.
7646         (final_bbs): New variable.
7647         (no_accesses_representant): New variable.
7648         (no_accesses_p): New function.
7649         (dump_access): Dump the new fields.
7650         (sra_initialize): Set encountered_apply_args to false.
7651         (get_ssa_base_param): New function.
7652         (mark_parm_dereference): New function.
7653         (create_access): Caring for INIDRECT_REFs and different handling of
7654         varialble length accesses in early IPA SRA.  Store the stmt - a new
7655         parameter - to the new access.
7656         (build_access_from_expr_1): New parameter stmt, passed to
7657         create_access.  Handle INDIRECT_REFs.
7658         (build_access_from_expr): Pass the current statement to
7659         build_access_from_expr_1.
7660         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
7661         passes.
7662         (build_accesses_from_assign): Pass the current statement to
7663         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
7664         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
7665         final_bbs when necessary.  Check for calls to __builtin_apply_args.
7666         Fixup EH info if anythng was changed.
7667         (is_unused_scalar_param): New function.
7668         (ptr_parm_has_direct_uses): New function.
7669         (find_param_candidates): New function.
7670         (mark_maybe_modified): New function.
7671         (analyze_modified_params): New function.
7672         (propagate_dereference_distances): New function.
7673         (dump_dereferences_table): New function.
7674         (analyze_caller_dereference_legality): New function.
7675         (unmodified_by_ref_scalar_representative): New function.
7676         (splice_param_accesses): New function.
7677         (decide_one_param_reduction): New function.
7678         (enum ipa_splicing_result): New type.
7679         (splice_all_param_accesses): New function.
7680         (get_param_index): New function.
7681         (turn_representatives_into_adjustments): New function.
7682         (analyze_all_param_acesses): New function.
7683         (get_replaced_param_substitute): New function.
7684         (get_adjustment_for_base): New function.
7685         (replace_removed_params_ssa_names): New function.
7686         (sra_ipa_reset_debug_stmts): New function.
7687         (sra_ipa_modify_expr): New function.
7688         (sra_ipa_modify_assign): New function.
7689         (convert_callers): New function.
7690         (modify_function): New function.
7691         (ipa_sra_preliminary_function_checks): New function.
7692         (ipa_early_sra): New function.
7693         (ipa_early_sra_gate): New function.
7694         (pass_early_ipa_sra): New variable.
7695         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
7696
7697 2009-09-17  Michael Matz  <matz@suse.de>
7698
7699         PR middle-end/41347
7700         * tree.c (build_type_attribute_qual_variant): Export.
7701         * tree.h (build_type_attribute_qual_variant): Declare.
7702         * tree-inline.c (remap_type_1): Use it to build variants with
7703         the original qualifiers and attributes.
7704
7705 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7706
7707         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
7708         without a fallthrough edge.
7709
7710 2009-09-16  DJ Delorie  <dj@redhat.com>
7711
7712         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
7713         chip and ignore the "fast_interrupt" attribute if so.
7714
7715 2009-09-16  Richard Henderson  <rth@redhat.com>
7716
7717         PR middle-end/41360
7718         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
7719         barrier fix.
7720
7721 2009-09-16  Richard Henderson  <rth@redhat.com>
7722
7723         PR target/41246
7724         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
7725         is set only if DECL_NO_STATIC_CHAIN is unset.
7726         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
7727         (FOR_EACH_NEST_INFO): New.
7728         (walk_all_functions): Use it.
7729         (finalize_nesting_tree): Likewise.
7730         (unnest_nesting_tree): Likewise.
7731         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
7732         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
7733         (convert_gimple_call): Early out if gimple_call_chain already set.
7734         (convert_all_function_calls): Iterate until no new functions
7735         require a static chain.
7736         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
7737         when building a trampoline.  Use dump_function_to_file instead
7738         of dump_function.
7739         (lower_nested_functions): Open dump_file.  Validate that decls
7740         that have DECL_NO_STATIC_CHAIN from the front end don't have that
7741         bit reset by this pass.
7742
7743 2009-09-16  Michael Matz  <matz@suse.de>
7744
7745         PR fortran/41212
7746         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
7747         shorten decl_common_unused.
7748         (DECL_RESTRICTED_P): New accessor.
7749         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
7750         to disambiguate marked decls and restrict pointers.
7751
7752 2009-09-16  Richard Henderson  <rth@redhat.com>
7753
7754         PR middle-end/41360
7755         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
7756
7757 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
7758
7759         * integrate.c (set_block_abstract_flags): Call
7760         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
7761
7762 2009-09-16  Richard Guenther  <rguenther@suse.de>
7763
7764         PR middle-end/34011
7765         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
7766         as non-aliased.
7767
7768 2009-09-16  DJ Delorie  <dj@redhat.com>
7769             Kaz Kojima  <kkojima@gcc.gnu.org>
7770
7771         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
7772         (sh_expand_prologue): Update calls to output_stack_adjust.
7773         (sh_expand_epilogue): Likewise.
7774
7775 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
7776
7777         PR bootstrap/41349
7778         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
7779         trying to limit the extent of searches in the insn stream.
7780
7781 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
7782             Jakub Jelinek  <jakub@redhat.com>
7783
7784         PR target/41175
7785         PR target/40677
7786         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
7787         problem.
7788         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
7789         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
7790         (rs6000_savres_strategy): Always save FP registers inline if the
7791         target doesn't support hardware double-precision.  Set the above
7792         bits in return value when needed.
7793         (rs6000_savres_routine_sym): Fix computation for cache selector.
7794         Mark the generated symbol as a function.  Rename exitp argument to
7795         lr.  Move code for determining the name of the symbol...
7796         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
7797         getting the names right on AIX and 64-bit Linux.
7798         (savres_routine_name): New variable.
7799         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
7800         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
7801         on what the target routine uses as a base register.  If savep && lr
7802         describe saving of r0 into memory slot.
7803         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
7804         line calls for AIX ABI.
7805         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
7806         determine FP save/restore functions.
7807         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
7808         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
7809         gen_addsi3.
7810         (rs6000_emit_epilogue): Adjust computation of restore_lr.
7811         Duplicate restoration of LR and execute the appropriate one
7812         depending on whether GPRs are being restored inline.  Set r11 from
7813         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
7814         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
7815         Fix out of line calls for AIX ABI.
7816         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
7817         New insn.
7818         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
7819         register 11.
7820         (*restore_gpregs_spe): Likewise.
7821         (*return_and_restore_gpregs_spe): Likewise.
7822         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
7823         Define to empty string unconditionally.
7824         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
7825         Define to empty string unconditionally.
7826         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
7827         !TARGET_64BIT.
7828
7829 2009-09-15  Jan Hubicka  <jh@suse.cz>
7830
7831         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
7832         * params.def (inline-insns-auto): Likewise.
7833
7834 2009-09-15  Martin Jambor  <mjambor@suse.cz>
7835
7836         * ipa-inline.c (estimate_function_body_sizes): Dump info about
7837         individual statements only at TDF_DETAILS dump level.  Format
7838         source for 80 characters per line.
7839
7840 2009-09-15  Christian Bruel  <christian.bruel@st.com>
7841
7842         * regrename.c (do_replace): Update REG_DEAD notes.
7843
7844 2009-09-15  Revital Eres  <eres@il.ibm.com>
7845
7846         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
7847         * targhooks.c (default_builtin_support_vector_misalignment):
7848         New builtin function.
7849         * targhooks.h (default_builtin_support_vector_misalignment):
7850         Declare.
7851         * target.h (builtin_support_vector_misalignment):
7852         New field in struct gcc_target.
7853         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
7854         new builtin function.
7855         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
7856         Define.
7857         * config/rs6000/rs6000.c
7858         (rs6000_builtin_support_vector_misalignment): New function.
7859         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
7860
7861 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
7862
7863         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
7864         instead of INSN_P.
7865         (bfin_optimize_loop): Likewise.
7866         (bfin_gen_bundles): Likewise.
7867         (workaround_speculation): Likewise.
7868         (find_load): Return NULL_RTX for debug_insn.
7869
7870 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
7871
7872         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
7873         (sminsf3): Ditto.
7874
7875 2009-09-14  DJ Delorie  <dj@redhat.com>
7876
7877         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
7878         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
7879         VLIW mode.
7880
7881 2009-09-14  Richard Henderson  <rth@redhat.com>
7882             Jakub Jelinek  <jakub@redhat.com>
7883
7884         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
7885         * cfgbuild.c (make_edges): Handle asm goto.
7886         * cfglayout.c (fixup_reorder_chain): Likewise.
7887         * cfgrtl.c (patch_jump_insn): Likewise.
7888         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
7889         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
7890         (gimple_build_asm_vec): Add and use labels parameter.
7891         (gimple_build_asm): Remove.
7892         (walk_gimple_asm): Walk labels too.
7893         * gimple.def (GIMPLE_ASM): Update docs.
7894         * gimple.h: Update decls.
7895         (struct gimple_statement_asm): Change nc to use unsigned char;
7896         add nl member.
7897         (gimple_asm_nlabels): New.
7898         (gimple_asm_label_op, gimple_asm_set_label_op): New.
7899         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
7900         into gimple_build_asm_vec.
7901         * jump.c (mark_jump_label_asm): New.
7902         (mark_jump_label): Use it.
7903         (redirect_jump_1): Handle asm goto.
7904         (invert_jump_1): Soft fail if X is null.
7905         * recog.c (extract_asm_operands): New.
7906         (asm_noperands): Use it; handle asm labels.
7907         (decode_asm_operands): Use extract_asm_operands.
7908         (asm_operand_ok): Properly handle empty string.
7909         * reg-stack.c (get_asm_operands_in_out): Rename from
7910         get_asm_operand_n_inputs; use extract_asm_operands; return both
7911         inputs and outputs by reference; update all callers.
7912         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
7913         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
7914         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
7915         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
7916         (extract_asm_operands): Declare.
7917         * stmt.c (expand_asm_operands): Add and use labels parameter.
7918         (check_unique_operand_names): Likewise.
7919         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
7920         (expand_asm_stmt): Handle asm labels.
7921         * tree-cfg.c (make_gimple_asm_edges): New.
7922         (make_edges): Use it.
7923         (cleanup_dead_labels): Handle asm labels.
7924         (is_ctrl_altering_stmt): Likewise.
7925         (gimple_redirect_edge_and_branch): Likewise.
7926         * tree.def (ASM_EXPR): Add 5th operand.
7927         * tree.h (ASM_LABELS): New.
7928         (resolve_asm_operand_names): Update decl.
7929
7930         * c-parser.c (c_parser_asm_statement): Parse asm goto.
7931         (c_parser_asm_goto_operands): New.
7932         * c-tree.h (build_asm_expr): Update decl.
7933         * c-typeck.c (build_asm_expr): Add and use labels parameter.
7934         * doc/extend.texi: Document asm goto.
7935
7936 2009-09-14  Richard Henderson  <rth@redhat.com>
7937
7938         * except.h: Update declarations.
7939         (struct pointer_map_t): Forward declare.
7940         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
7941         (struct eh_landing_pad_d, eh_landing_pad): New.
7942         (struct eh_catch_d, eh_catch): New.
7943         (struct eh_region_d): Remove next_region_sharing_label, aka,
7944         label, tree_label, landing_pad, post_landing_pad, resume,
7945         may_contain_throw.  Rename region_number to index.  Remove
7946         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
7947         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
7948         (VEC(eh_landing_pad,gc)): New.
7949         (struct eh_status): Remove last_region_number.  Add lp_array,
7950         throw_stmt_table, ttype_data, ehspec_data.
7951         (ehr_next, FOR_ALL_EH_REGION_AT): New.
7952         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
7953         * except.c (lang_protect_cleanup_actions): Return tree.
7954         (struct ehl_map_entry): Remove.
7955         (init_eh_for_function): Push zero entries for region and lp_array.
7956         (gen_eh_region): Add to region_array immediately.
7957         (gen_eh_region_catch): Operate on eh_catch objects.
7958         (gen_eh_landing_pad): New.
7959         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
7960         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
7961         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
7962         (get_eh_landing_pad_from_number_fn): New.
7963         (get_eh_landing_pad_from_number): New.
7964         (get_eh_region_from_lp_number_fn): New.
7965         (get_eh_region_from_lp_number): New.
7966         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
7967         (get_exception_pointer, get_exception_filter): Remove.
7968         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
7969         (current_function_has_exception_handlers): Simplify.
7970         (bring_to_root, eh_region_replaceable_by_p): Remove.
7971         (replace_region, hash_type_list, hash_eh_region): Remove.
7972         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
7973         (label_to_region_map, num_eh_regions): Remove.
7974         (get_next_region_sharing_label, must_not_throw_labels): Remove.
7975         (find_exception_handler_labels): Remove.
7976         (duplicate_eh_regions_0, find_prev_try): Remove.
7977         (struct duplicate_eh_regions_data): New.
7978         (duplicate_eh_regions_1): Rewrite.
7979         (duplicate_eh_regions): Return a pointer map instead of an
7980         integer offset.
7981         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
7982         (redirect_eh_edge_to_label): Remove.
7983         (eh_region_outermost): Rewrite using eh_region pointers
7984         instead of integers.
7985         (add_ttypes_entry): Update for ttype_data move to eh_status.
7986         (add_ehspec_entry): Rewrite with VEC instead of varray.
7987         (assign_filter_values): Likewise.  Export.
7988         (build_post_landing_pads, connect_post_landing_pads): Remove.
7989         (dw2_build_landing_pads): Rewrite to use lp_array.
7990         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
7991         (sjlj_assign_call_site_values): Rewrite to use lp_array.
7992         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
7993         (sjlj_mark_call_sites): Update for landing pad numbers.
7994         (finish_eh_generation): Rewrite.
7995         (gate_handle_eh): Do nothing for no eh tree.
7996         (pass_rtl_eh): Move up near finish_eh_generation.
7997         (remove_eh_landing_pad): New.
7998         (remove_eh_handler): Export.
7999         (remove_eh_region, remove_eh_handler_and_replace): Remove.
8000         (for_each_eh_label): Rewrite to use lp_array.
8001         (make_reg_eh_region_note): New.
8002         (make_reg_eh_region_note_nothrow_nononlocal): New.
8003         (insn_could_throw_p): New.
8004         (copy_reg_eh_region_note_forward): New.
8005         (copy_reg_eh_region_note_backward): New.
8006         (check_handled, add_reachable_handler): Remove.
8007         (reachable_next_level, foreach_reachable_handler): Remove.
8008         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
8009         (get_eh_region_and_lp_from_rtx): New.
8010         (get_eh_region_from_rtx): New.
8011         (can_throw_internal_1, can_throw_external_1): Remove.
8012         (can_throw_internal): Use get_eh_region_from_rtx.
8013         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
8014         (insn_nothrow_p, can_nonlocal_goto): New.
8015         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
8016         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
8017         (add_action_record): Use VEC not varray.
8018         (collect_one_action_chain): Update for eh_region changes.
8019         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
8020         Use get_eh_region_and_lp_from_rtx.
8021         (gate_convert_to_eh_region_ranges): New.
8022         (pass_convert_to_eh_region_ranges): Use it.
8023         (push_uleb128, push_sleb128): Use VEC not varray.
8024         (output_one_function_exception_table): Likewise.
8025         (dump_eh_tree): Update for eh_region changes.
8026         (verify_eh_tree): Likewise.
8027         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
8028         * tree-eh.c: Include target.h.
8029         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
8030         Don't disallow GIMPLE_RESX; adjust argument check.
8031         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
8032         (record_stmt_eh_region): Update for landing pad numbers;
8033         generate a landing pad if necessary.
8034         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
8035         (remove_stmt_from_eh_lp_fn): Similarly.
8036         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
8037         Update for lp numbers; don't special case missing throw_stmt_table.
8038         (lookup_expr_eh_lp): Similarly.
8039         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
8040         (eh_seq, eh_region_may_contain_throw): New.
8041         (struct leh_state): Add ehp_region.
8042         (struct leh_tf_state): Remove eh_label.
8043         (emit_post_landing_pad): New.
8044         (emit_resx, emit_eh_dispatch): New.
8045         (note_eh_region_may_contain_throw): New.
8046         (frob_into_branch_around): Take eh_region not eh label;
8047         emit eh code into eh_seq.
8048         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
8049         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
8050         lower_eh_must_not_throw.  Emit code to eh_seq.
8051         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
8052         (lower_try_finally_onedest): Likewise.
8053         (lower_try_finally_copy): Likewise.
8054         (lower_try_finally_switch): Likewise.
8055         (lower_try_finally): Initialize ehp_region.
8056         (lower_catch): Update for eh_catch objects.
8057         (lower_eh_filter): Don't handle must_not_throw.
8058         (lower_eh_must_not_throw): New.
8059         (lower_cleanup): Don't set eh_label.
8060         (lower_eh_constructs_2): Resolve eh builtins.
8061         Handle GIMPLE_EH_MUST_NOT_THROW.
8062         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
8063         Add eh_seq to the end of the function body.
8064         (make_eh_dispatch_edges): New.
8065         (make_eh_edge): Remove.
8066         (make_eh_edges): Simplify for landing pads.
8067         (redirect_eh_edge_1): New.
8068         (redirect_eh_edge): Use it.
8069         (redirect_eh_dispatch_edge): New.
8070         (stmt_could_throw_p): Use a switch.  Allow RESX.
8071         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
8072         (stmt_can_throw_internal): Likewise.
8073         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
8074         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
8075         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
8076         (gate_refactor_eh): New.
8077         (pass_refactor_eh): Use it.
8078         (lower_resx, execute_lower_resx, pass_lower_resx): New.
8079         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
8080         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
8081         (remove_unreachable_handlers): Rename from
8082         tree_remove_unreachable_handlers; rewrite for landing pads;
8083         call remove_eh_handler directly.
8084         (remove_unreachable_handlers_no_lp): New.
8085         (unsplit_eh, unsplit_all_eh): New.
8086         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
8087         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
8088         (cleanup_empty_eh_unsplit): New.
8089         (cleanup_empty_eh): Rewrite.
8090         (cleanup_all_empty_eh): New.
8091         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
8092         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
8093         (gate_cleanup_eh): New.
8094         (pass_cleanup_eh): Use it.
8095         (verify_eh_edges): Move later in file.  Expect one EH edge.
8096         (verify_eh_dispatch_edge): New.
8097
8098         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
8099         (gtype-desc.o): Add TARGET_H.
8100         (tree.o): Use EXCEPT_H, not except.h.
8101         (cfgbuild.o): Add EXPR_H.
8102         (GTFILES): Add vecprim.h.
8103         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
8104         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
8105         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
8106         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
8107         * calls.c (emit_call_1): Use make_reg_eh_region_note.
8108         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
8109         calls to can_throw_internal.
8110         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
8111         (make_edges): Don't handle RESX; use can_nonlocal_goto.
8112         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
8113         (expand_gimple_stmt): Use make_reg_eh_region_note.
8114         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
8115         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
8116         or find_exception_handler_labels.
8117         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
8118         there is exacly one EH edge.  Use can_nonlocal_goto and
8119         can_throw_internal.
8120         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
8121         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
8122         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
8123         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
8124         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
8125         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
8126         * dse.c (scan_insn): Use insn_could_throw_p.
8127         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
8128         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
8129         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
8130         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
8131         EXC_PTR_EXPR or FILTER_EXPR.
8132         (tree_expr_nonzero_warnv_p): Likewise.
8133         * function.h: Include vecprim.h, not varray.h
8134         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
8135         move ttype_data and ehspec_data members to struct eh_status; change
8136         action_record_data member to a VEC.
8137         * gcse.c (hash_scan_set): Use can_throw_internal.
8138         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
8139         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
8140         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
8141         (block_may_fallthru): Don't handle RESX_EXPR.
8142         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
8143         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
8144         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
8145         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
8146         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
8147         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
8148         (gimple_size): Likewise.
8149         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
8150         (gimple_build_resx): Use gimple_build_with_ops.
8151         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
8152         (is_gimple_val): Likewise.
8153         (is_gimple_stmt): Remove RESX_EXPR.
8154         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
8155         (GIMPLE_RESX): Reorder with other EH constructs.
8156         * gimple.h (struct gimple_statement_eh_mnt): New.
8157         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
8158         (gimple_eh_filter_must_not_throw): Remove.
8159         (gimple_eh_filter_set_must_not_throw): Remove.
8160         (gimple_eh_must_not_throw_fndecl): New.
8161         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
8162         (is_gimple_resx): New.
8163         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
8164         Don't copy EH_FILTER_MUST_NOT_THROW.
8165         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
8166         * ipa-inline.c (estimate_function_body_sizes): Don't try to
8167         handle must_not_throw_labels specially.
8168         * ipa-pure-const.c (check_call): Update debug statement for LP.
8169         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
8170         * ipa-utils.c (get_base_var): Likewise.
8171         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
8172         * lower-subreg.c (move_eh_region_note): Remove.
8173         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
8174         * omp-low.c (new_omp_context): Update for eh_lp_nr.
8175         (create_task_copyfn): Likewise.
8176         (maybe_catch_exception): Use gimple_build_eh_filter.
8177         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
8178         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
8179         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
8180         and pass_lower_resx.
8181         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
8182         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
8183         can_throw_internal, can_nonlocal_goto.
8184         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
8185         copy_reg_eh_region_note_forward.
8186         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
8187         (emit_output_reload_insns): Likewise.
8188         (copy_eh_notes): Remove.
8189         * rtl.def (RESX): Remove.
8190         * rtl.h: Update declarations.
8191         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
8192         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
8193         (update_eh_label): Remove.
8194         (cleanup_dead_labels_eh): New.
8195         (cleanup_deal_labels): Use it instead of update_eh_label.
8196         (gimple_merge_blocks): Update landing pad data structure when
8197         removing a landing pad label.
8198         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
8199         test; handle GIMPLE_EH_MUST_NOT_THROW.
8200         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
8201         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
8202         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
8203         (verify_stmt): Likewise.  Verify landing pads.
8204         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
8205         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
8206         (struct move_stmt_d): Add eh_map.
8207         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
8208         (move_stmt_r): Remap eh region numbers in builtin calls,
8209         resx and eh_dispatch.
8210         (move_block_to_fn): Remove eh_offset parameter.  Use
8211         maybe_duplicate_eh_stmt_fn.
8212         (find_outermost_region_in_block): Operate on eh_region pointers
8213         instead of region numbers.
8214         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
8215         duplicate_eh_regions.
8216         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
8217         test earlier.  Disallow EH landing pads.
8218         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
8219         * tree-flow.h: Update declarations.
8220         (struct tree_ann_common_d): Replace rn with lp_nr.
8221         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
8222         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
8223         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
8224         resx and eh_dispatch.
8225         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
8226         (copy_edges_for_bb): Use make_eh_dispatch_edges.
8227         (copy_cfg_body): Expect eh_map instead of eh_region_offset
8228         from duplicate_eh_regions.
8229         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
8230         update RESX; handle EH_DISPATCH.
8231         (expand_call_inline): Set eh_lp_nr, not eh_region.
8232         (maybe_inline_call_in_expr): Likewise.
8233         * tree-inline.h (struct copy_body_data): Replace eh_region with
8234         eh_lp_nr, eh_region_offset with eh_map.
8235         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
8236         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
8237         * tree-pretty-print.c (dump_generic_node): Don't handle
8238         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
8239         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
8240         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
8241         EXC_PTR_EXPR, FILTER_EXPR.
8242         * tree-ssa-operands.c (get_expr_operands): Likewise.
8243         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
8244         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
8245         (ao_ref_init_from_vn_reference): Likewise.
8246         * tree-ssa-sink.c (statement_sink_location): Likewise.
8247         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
8248         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
8249         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
8250         EXC_PTR_EXPR, FILTER_EXPR.
8251         (is_exception_related): Remove.
8252         (compute_avail): Don't call it.
8253         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
8254         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
8255         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
8256         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
8257         Build EH builtins.
8258         (build_resx): Remove.
8259         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
8260         * tree.h: Update declarations.
8261         (EH_FILTER_MUST_NOT_THROW): Remove.
8262         (struct tree_label_decl): Add eh_landing_pad_nr.
8263         (EH_LANDING_PAD_NR): New.
8264         * value-prof.c (gimple_ic): Tidy variable names.  Update for
8265         landing pad numbers.
8266         (gimple_stringop_fixed_value): Tidy variable names.  Assert
8267         that neither call stmt can throw.
8268         * vecprim.h (uchar): New.
8269         (VEC(uchar,heap), VEC(uchar,gc)): New.
8270
8271         * c-common.c (c_define_builtins): Update call to
8272         build_common_builtin_nodes.
8273         * c-parser.c (c_parse_file): Don't call
8274         default_init_unwind_resume_libfunc.
8275
8276 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
8277
8278         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
8279         (mips_cprestore_address_p): Likewise.
8280         (mips_save_gp_to_cprestore_slot): Likewise.
8281         (mips_restore_gp): Rename to...
8282         (mips_restore_gp_from_cprestore_slot): ...this.
8283         (mips_must_initialize_gp_p): Declare.
8284         (mips_emit_save_slot_move): Likewise.
8285         (mips_output_load_label): Return nothing.
8286         (mips_eh_uses): Declare.
8287         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
8288         (TARGET_CPRESTORE_DIRECTIVE): New macro.
8289         (TARGET_ABSOLUTE_JUMPS): Likewise.
8290         (EH_USES): Likewise.
8291         (FIRST_PSEUDO_REGISTER): Update comment.
8292         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
8293         (MIPS_CALL): ...here.
8294         (REGISTER_NAMES): Add $cprestore.
8295         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
8296         Add load_label_length, has_inflexible_gp_insn_p,
8297         has_flexible_gp_insn_p, must_initialize_gp_p and
8298         must_restore_gp_when_clobbered_p.
8299         (mips_expand_call): Don't generate split instructions here.
8300         (mips_split_call): Update the call to mips_restore_gp after
8301         the above name change.
8302         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
8303         (mips_find_gp_ref): New function.
8304         (mips_insn_has_inflexible_gp_ref_p): Likewise.
8305         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
8306         (mips_insn_has_flexible_gp_ref_p): Likewise.
8307         (mips_cfun_has_flexible_gp_ref_p): Likewise.
8308         (mips_function_has_gp_insn): Delete.
8309         (mips_global_pointer): Drop the df_regs_ever_live_p check.
8310         Use the new functions above.  Only return INVALID_REGNUM
8311         for TARGET_ABSOLUTE_JUMPS.
8312         (mips_must_initialize_gp_p): New function.
8313         (mips_get_cprestore_base_and_offset): New function, extracted from...
8314         (mips_cprestore_slot): ...here.  Take a bool parameter.
8315         (mips_cfun_has_cprestore_slot_p): New function.
8316         (mips_cprestore_address_p): Likewise.
8317         (mips_save_gp_to_cprestore_slot): Likewise.
8318         (mips_restore_gp): Rename to...
8319         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
8320         epilogue_completed.  Update the call to mips_cprestore_slot.
8321         Test cfun->machine->must_restore_gp_when_clobbered_p.
8322         (mips_direct_save_slot_move_p): New function.
8323         (mips_emit_save_slot_move): Likewise.
8324         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
8325         of cfun->machine->global_pointer.
8326         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
8327         (mips_save_reg): Use mips_emit_save_slot_move.
8328         (mips_expand_prologue): Set must_initialize_gp_p.
8329         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
8330         for all cprestore saves.  Emit a use_cprestore instruction after
8331         setting up the cprestore slot.
8332         (mips_restore_reg): Use mips_emit_save_slot_move.
8333         (mips_process_load_label): New function.
8334         (mips_load_label_length): Likewise.
8335         (mips_output_load_label): Don't return asm: output it here instead.
8336         Use mips_process_load_label.
8337         (mips_adjust_insn_length): Adjust the length of branch instructions
8338         that have length MAX_PIC_BRANCH_LENGTH.
8339         (mips_output_conditional_branch): Update the call to
8340         mips_output_load_label.  Assume the branch target is OPERANDS[0]
8341         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
8342         (mips_output_order_conditional_branch): Swap the meaning of
8343         OPERANDS[0] and OPERANDS[1].
8344         (mips_variable_issue): Don't count ghost instructions.
8345         (mips_expand_ghost_gp_insns): New function.
8346         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
8347         (mips_output_mi_thunk): Set must_initialize_gp_p.
8348         (mips_eh_uses): New function.
8349         * config/mips/predicates.md (cprestore_save_slot_operand)
8350         (cprestore_load_slot_operand): New predicates.
8351         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
8352         (UNSPEC_MOVE_GP): Likewise.
8353         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
8354         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
8355         (CPRESTORE_SLOT_REGNUM): New register.
8356         (MAX_PIC_BRANCH_LENGTH): New constant.
8357         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
8358         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
8359         branches.  Fix commentary.
8360         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
8361         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
8362         Change type to "ghost".
8363         (loadgp_absolute_<mode>): Likewise.
8364         (loadgp_rtp_<mode>): Likewise.
8365         (copygp_mips16): Likewise.
8366         (loadgp_blockage): Remove redundant mode attribute.
8367         (potential_cprestore): New instruction.
8368         (cprestore): Turn into an unspec set.
8369         (use_cprestore): New instruction.
8370         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
8371         (*branch_fp_inverted): Likewise.
8372         (*branch_order<mode>): Likewise.
8373         (*branch_order<mode>_inverted): Likewise.
8374         (*branch_equality<mode>): Likewise.
8375         (*branch_equality<mode>_inverted): Likewise.
8376         (*branch_bit<bbv><mode>): Likewise.
8377         (*branch_bit<bbv><mode>_inverted): Likewise.
8378         (*branch_equality<mode>_mips16): Remove redundant mode.
8379         (jump): Turn into a define_expand.
8380         (*jump_absolute): New instruction.
8381         (*jump_pic): Likewise.
8382         (*jump_mips16): Rename previously-unnamed pattern.  Remove
8383         redundant mode attribute.
8384         (restore_gp): Split on epilogue_completed rather than
8385         reload_completed.  Change type to "ghost".
8386         (move_gp<mode>): New instruction.
8387         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
8388         Remove redundant mode attribute.
8389         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
8390         (bc1any4f, bc1any2t, bc1any2f): Likewise.
8391         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
8392
8393 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8394
8395         PR target/41210
8396         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
8397         are returned in the same register (vs34 or v2) that Altivec vector
8398         types are returned in.
8399         (rs6000_libcall_value): Ditto.
8400
8401         PR target/41331
8402         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
8403         instead of explicit addsi3/adddi3 calls.
8404         (rs6000_split_multireg_move): Ditto.
8405         (rs6000_emit_allocate_stack): Ditto.
8406         (rs6000_emit_prologue): Ditto.
8407         (rs6000_output_mi_thunk): Ditto.
8408
8409         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
8410         size is 64 bits if we can use 64-bit registers.
8411
8412 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
8413
8414         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
8415         symbols.
8416
8417         From Jie Zhang <jie.zhang@analog.com>:
8418         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
8419         save FP and RETS with saveall attribute.
8420         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
8421         with saveall attribute.
8422
8423         * config/bfin/bfin.c (bfin_expand_builtin,
8424         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
8425         operands.
8426
8427         From Jie Zhang <jie.zhang@analog.com>:
8428         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
8429         before use in two places.
8430         * config/bfin/bfin.md (AREG): Define mode iterator.
8431         (reload_in, reload_out): Use mode iterator AREG.
8432
8433 2009-09-14  Richard Guenther  <rguenther@suse.de>
8434
8435         PR middle-end/41350
8436         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
8437         EH personality path.
8438
8439 2009-09-13  Richard Guenther  <rguenther@suse.de>
8440             Rafael Avila de Espindola  <espindola@google.com>
8441
8442         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
8443         (LANG_HOOKS_EH_PERSONALITY): Likewise.
8444         (LANG_HOOKS_INITIALIZER): Adjust.
8445         (lhd_pass_through_t): Declare.
8446         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
8447         eh_personality.
8448         * langhooks.c (lhd_pass_through_t): New function.
8449         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
8450         dwarf2out_begin_prologue): Use personality from current_function_decl.
8451         * expr.h (get_personality_function): Declare.
8452         * expr.c (get_personality_function): New function.
8453         (build_personality_function): Likewise.
8454         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
8455         (eh_personality_libfunc): Remove.
8456         * optabs.c (build_libfunc_function): New function split out from ...
8457         (init_one_libfunc): ... here.
8458         * tree.h (DECL_FUNCTION_PERSONALITY): New.
8459         (tree_function_decl): Add personality.
8460         (lhd_gcc_personality): Declare.
8461         (build_personality_function): Likewise.
8462         * tree.c (gcc_eh_personality_decl): New.
8463         (lhd_gcc_personality): New function.
8464         * except.h (lang_eh_runtime_type): Remove.
8465         (enum eh_personality_kind): New.
8466         (build_personality_function): Declare.
8467         (function_needs_eh_personality): Declare.
8468         * except.c (lang_eh_runtime_type): Remove.
8469         (function_needs_eh_personality): New function.
8470         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
8471         (sjlj_emit_function_enter, output_function_exception_table):
8472         Use personality from current_function_decl.
8473         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
8474         * tree-inline.c (tree_can_inline_p): Do not inline across different
8475         EH personalities.
8476         (expand_call_inline): Likewise.  Adjust the callers EH personality.
8477         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
8478         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
8479         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
8480         (c-parser.o): Likewise
8481         * c-tree.h (c_eh_initialized_p): Remove.
8482         (c_maybe_initialize_eh): Likewise.
8483         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
8484         (finish_decl): Don't call c_maybe_initialize_eh.
8485         (c_eh_initialized_p): Remove.
8486         (c_maybe_initialize_eh): Likewise.
8487         * c-parser.c (c_parser_omp_construct): Likewise.
8488         (c_parse_file): Initialize exception handling.
8489
8490 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
8491
8492         * config.gcc (tm_file): Remove i386/biarch32.h
8493         for i?86-w64-mingw* case.
8494         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
8495         support.
8496         * config.host: Set for x64 mingw the option
8497         use_long_long_for_widest_fast_int to yes.
8498
8499 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
8500
8501         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8502         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
8503         (dbxout_begin_function): Likewise.
8504         * final.c (dwarf2_debug_info_emitted_p): New predicate.
8505         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
8506         set on the function.
8507         (final_end_function): Likewise.
8508         (final_scan_insn): Likewise.
8509         (rest_of_handle_final): Likewise.
8510         * varasm.c (assemble_start_function): Likewise.
8511         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8512
8513 2009-09-12  Jason Merrill  <jason@redhat.com>
8514
8515         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
8516         * opts.c (common_handle_option): constify.
8517
8518 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
8519
8520         * doc/install.texi (avr): Remove obsolete reference site.
8521
8522 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
8523
8524         * doc/install.texi (Binaries): Adjust AIX link.
8525
8526 2009-09-12  Akim Demaille  <demaille@gostai.com>
8527
8528         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
8529         Use an imperative sentence.
8530
8531 2009-09-11  Richard Henderson  <rth@redhat.com>
8532
8533         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
8534         structure-name and has-tree-operands arguments; update all entries.
8535         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
8536         update all entries.
8537         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
8538         (gsstruct_code_size): New.
8539         (gss_for_code_): New.
8540         (gss_for_code): Remove.
8541         (gimple_size): Rewrite using gsstruct_code_size.
8542         (gimple_statement_structure): Move to gimple.h.
8543         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
8544         (gss_for_code, gimple_statement_structure): New.
8545         (gimple_ops): Use new arrays; tidy.
8546
8547 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8548
8549         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
8550         operand to be a PLUS expression.
8551         * config/pa/pa.c (pa_secondary_reload): Likewise.
8552
8553 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
8554
8555         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
8556
8557         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
8558         XEXP (in_rtx, 8).
8559
8560 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8561
8562         From Jie Zhang <jie.zhang@analog.com>:
8563         * doc/extend.texi (node Function Attributes): Document l2
8564         function attribute.
8565         (node Blackfin Variable Attributes): Document l2 variable attributes.
8566
8567 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
8568
8569         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
8570         to match the system compiler's configuration at inflection point.
8571         Add comment to remark a remaining difference with system compiler.
8572
8573         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
8574         * configure: Regenerate.
8575
8576 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
8577
8578         From Jie Zhang <jie.zhang@analog.com>:
8579         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
8580         (bfin_handle_l2_attribute): New.
8581         (bfin_attribute_table): Add l2 attribute.
8582
8583 2009-09-11  Michael Matz  <matz@suse.de>
8584
8585         PR middle-end/41275
8586         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
8587         on the local_decls list.
8588
8589 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
8590
8591         PR debug/41276
8592         PR debug/41307
8593         * cselib.c (cselib_expand_value_rtx_cb): Document callback
8594         interface.
8595         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
8596         for VALUEs, to implement the documented interface.
8597         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
8598         Adjust for VALUEs and anything else, to implement the
8599         documented interface.
8600
8601 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
8602
8603         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
8604         with actual SPE/paired vector modes before using 64-bit alignment.
8605         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
8606
8607 2009-09-10  DJ Delorie  <dj@redhat.com>
8608
8609         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
8610         emitted.
8611
8612         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
8613         * config/mep/mep.c (mep_legitimate_constant_p): New.
8614         * config/mep/mep-protos.h: Prototype it.
8615
8616 2009-09-10  Richard Henderson  <rth@redhat.com>
8617
8618         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
8619
8620 2009-09-10  Jason Merrill  <jason@redhat.com>
8621
8622         * tree.c (chain_index): New fn.
8623         * tree.h: Declare it.
8624
8625 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8626
8627         * config/sol2-c.c (cmn_err_length_specs): Initialize
8628         scalar_identity_flag.
8629
8630 2009-09-10  Richard Henderson  <rth@redhat.com>
8631
8632         * tree.h (struct tree_decl_common): Move align member earlier;
8633         move label_decl_uid member ...
8634         (struct tree_label_decl): ... here.
8635         (LABEL_DECL_UID): Update to match.
8636
8637         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
8638         not TDF_DETAILS.
8639
8640         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
8641         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
8642
8643         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
8644         dest_prev if the edge is complex.
8645
8646         * tree-cfg.c (is_ctrl_stmt): Use a switch.
8647
8648         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
8649         loop latch tests earlier.
8650
8651         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
8652         before GIMPLE_RETURN, not after its predecessor; insert
8653         before GIMPLE_RESX.
8654
8655         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
8656         gimple_seq_empty_p to test for no PHI nodes.
8657         * tree-cfg.c (split_critical_edges): Likewise.
8658
8659         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
8660
8661 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
8662
8663         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
8664         introduced by the VTA branch merge.
8665
8666 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
8667
8668         * ira-conflicts.c: Use fputs or putc instead of fprintf
8669         where appropriate.
8670         * cfg.c: Ditto.
8671         * toplev.c: Ditto.
8672         * tree-switch-conversion.c: Ditto.
8673
8674 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
8675
8676         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
8677         introduced by the VTA branch merge.
8678
8679 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
8680
8681         Revert:
8682         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
8683
8684         PR rtl-optimization/39779
8685         * expr.c (convert_modes): Return when mode == oldmode after
8686         CONST_INTs are processed.
8687
8688 2009-09-10  Nick Clifton  <nickc@redhat.com>
8689
8690         * config/mep/mep.c (mep_encode_section_info): Copy weakness
8691         attribute and referring decl when creating renamed symbol.
8692
8693 2009-09-10  Richard Guenther  <rguenther@suse.de>
8694
8695         PR middle-end/41257
8696         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
8697         reachable nodes.
8698         (cgraph_finalize_compilation_unit): Compute reachability
8699         before emitting thunks.  Properly process aliases before
8700         possibly removing unreachable nodes.
8701
8702 2009-09-10  Richard Guenther  <rguenther@suse.de>
8703
8704         PR middle-end/41254
8705         * tree.c (struct free_lang_data_d): Add worklist member.
8706         (find_decls_types_r): Push onto the worklist instead of recursing.
8707         Handle TREE_BINFOs properly.
8708         (find_decls_types): New function wrapped around find_decls_types_r
8709         to process the worklist.
8710         (find_decls_types_in_eh_region): Use it.
8711         (find_decls_types_in_node): Likewise.
8712         (find_decls_types_in_var): Likewise.
8713         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
8714         * tree.h (RECORD_OR_UNION_TYPE_P): New.
8715         (AGGREGATE_TYPE_P): Adjust.
8716
8717 2009-09-09  Jason Merrill  <jason@redhat.com>
8718
8719         * configure.ac: Check glibc version even if we have an in-tree
8720         assembler.
8721
8722 2009-09-09  Anthony Green  <green@moxielogic.com>
8723
8724         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
8725         the constant 0 when appropriate.
8726         * config/moxie/constraints.md: Add constraint O.
8727
8728         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
8729         to pass up to 6 32-bit argument values in registers.
8730         (moxie_function_arg): Ditto.
8731         (moxie_arg_partial_bytes): Ditto.
8732         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
8733         (REG_PARM_STACK_SPACE): Ditto.
8734         (FUNCTION_ARG_REGNO_P): Ditto.
8735
8736         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
8737         instruction to allocate stack space.
8738
8739 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
8740
8741         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
8742         unnecessarily stringent constraints.  Fix address
8743         calculation in the splitters.
8744
8745 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
8746
8747         PR rtl-optimization/39779
8748         * expr.c (convert_modes): Return when mode == oldmode after
8749         CONST_INTs are processed.
8750
8751 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
8752
8753         PR/41315
8754         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
8755         (ix86_expand_prologue): Take frame.padding0 into logic of
8756         to_allocate checks.
8757         (ix86_expand_epilogue): Likewise.
8758
8759 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
8760
8761         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
8762         New variables.
8763         (SHLIB_LINK, SHLIB_INSTALL): Use them.
8764         * config/t-slibgcc-libgcc: New file.
8765         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
8766
8767 2009-09-09  Martin Jambor  <mjambor@suse.cz>
8768
8769         PR tree-optimization/41089
8770         * tree-sra.c (find_var_candidates): Do not consider va_lists in
8771         early SRA.
8772
8773 2009-09-09  Richard Henderson  <rth@redhat.com>
8774
8775         * gimple.h (CASE_GIMPLE_OMP): New.
8776         (is_gimple_omp): Use it.
8777         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
8778         (verify_gimple_debug): Likewise.
8779
8780 2009-09-09  Richard Guenther  <rguenther@suse.de>
8781
8782         PR tree-optimization/41101
8783         * tree-ssa-pre.c (maximal_set): Remove.
8784         (compute_antic_aux): Treat the maximal set as implicitly all ones.
8785         Defer all blocks we didn't visit at least one successor.
8786         (add_to_exp_gen): Do not add to the maximal set.
8787         (make_values_for_phi): Likewise.
8788         (compute_avail): Likewise.
8789         (init_pre): Do not allocate the maximal set.
8790         (execute_pre): Do not dump it.
8791
8792 2009-09-09  Martin Jambor  <mjambor@suse.cz>
8793
8794         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
8795         an SSA_NAME rather than a is_gimple_variable.
8796
8797 2009-09-09  Richard Guenther  <rguenther@suse.de>
8798
8799         PR middle-end/41317
8800         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
8801         code dealing with plain pointer bases.
8802         (maybe_fold_offset_to_reference): Likewise.
8803         (maybe_fold_stmt_addition): Adjust.
8804
8805 2009-09-09  Richard Guenther  <rguenther@suse.de>
8806
8807         * tree.c (free_lang_data_in_type): Do not free the type variant
8808         chains.
8809         (free_lang_data): Merge char_type_node with its properly signed
8810         variant.
8811         (pass_ipa_free): Collect after freeing language specific data.
8812
8813 2009-09-09  Michael Matz  <matz@suse.de>
8814
8815         PR middle-end/41268
8816         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
8817         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
8818         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
8819         to reflect reality.
8820
8821 2009-09-08  DJ Delorie  <dj@redhat.com>
8822
8823         * config/mep/mep.c (conversions[]): Add "ml" pattern.
8824
8825 2009-09-04  Jason Merrill  <jason@redhat.com>
8826
8827         * tree.c (tree_find_value): Remove.
8828         * tree.h: Remove prototype.
8829         * varasm.c (assemble_external): Use value_member instead.
8830
8831 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8832
8833         * toplev.c (process_options): Choose default debugging type when
8834         gtoggle enables debug info and type is unset.
8835
8836 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8837
8838         PR debug/41276
8839         PR debug/41307
8840         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
8841         invalid subreg.
8842
8843 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8844
8845         * configure: Rebuilt with modified libtool.m4.
8846
8847 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8848
8849         PR debug/41229
8850         PR debug/41291
8851         PR debug/41300
8852         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
8853
8854 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8855
8856         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
8857         (remove_statement): Likewise.
8858         (rewrite_use_nonlinear_expr): Adjust.
8859         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
8860         * tree-ssa.c (release_defs_bitset): ... this.  New.
8861         * tree-flow.h (release_defs_bitset): Declare.
8862
8863 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
8864
8865         PR debug/41232
8866         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
8867         in the middle block.
8868
8869 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
8870
8871         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
8872         via intptr_t to long type.
8873         (insert_operand_rank): Cast long type via intptr_t to
8874         pointer type.
8875         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
8876         pointer to scalar.
8877         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
8878         from pointer to unsigned via uintptr_t.
8879
8880         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
8881         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
8882         and HAVE_INTPTR_T.
8883         * configure: Regenerated.
8884         * config.in: Regenerated
8885         * system.h (stdint.h): Add include.
8886         (inttypes.h): Likewise.
8887         * Makefile.in (aclocal): Add config/stdint.m4.
8888         * aclocal.m4: Regenerated.
8889
8890 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
8891
8892         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
8893         variables.
8894         (note_np_check_stores): New function.
8895         (harmless_null_pointer_p): New function.
8896         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
8897         changed.  Take into account whether we're in the shadow of a condjump
8898         that tested NP_REG for NULL.
8899         Lose all code that tested for SEQUENCEs.
8900         (workaround_speculation): Avoid inserting NOPs for loads that are
8901         either always executed or a NULL pointer.
8902
8903 2009-09-08  Jan Hubicka  <jh@suse.cz>
8904
8905         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
8906         * params.def (early-inlining-insns): Likewise.
8907
8908 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
8909
8910         PR rtl-optimization/41239
8911         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
8912         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
8913         lists.
8914         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
8915         across calls, as the calls might not always return normally.
8916         (call_may_noreturn_p): New function.
8917         (deps_analyze_insn): Update last_function_call_may_noreturn list.
8918         (init_deps): Initialize it.
8919         (remove_from_deps): Also remove calls from
8920         last_function_call_may_noreturn list.
8921
8922 2009-09-07  Richard Henderson  <rth@redhat.com>
8923
8924         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
8925         more VR->OPERANDS than LHS operands.  Free LHS before returning.
8926
8927 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
8928
8929         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
8930         (attr "addrtype"): New member "spreg".
8931         Use it if mem_spfp_address_operand is true for the address.
8932         (attr "type"): New entry "stall".
8933         (cpu_unit "load"): New.
8934         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
8935         "load".
8936         (insn_reservation "loadsp"): New.
8937         (insn_reservation "load_stall1"): New.
8938         (insn_reservation "load_stall3"): New.
8939         (stall): New insn.
8940         * config/bfin/predicates.md (const1_operand, const3_operand): New.
8941         (mem_p_address_operand): Exclude stack and frame pointer based
8942         addresses.
8943         (mem_spfp_address_operand): New; match them here.
8944         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
8945         (bfin_reorg): Call it if scheduling insns.
8946         (bfin_gen_bundles): Remove dummy insns created by
8947         add_sched_insns_for_speculation.
8948
8949         From Jie Zhang <jie.zhang@analog.com>:
8950         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
8951         bfin_si_revision, bfin_workarounds): Move these ...
8952         * config/bfin/bfin.h: ... here.
8953
8954         From Mike Frysinger  <michael.frysinger@analog.com>
8955         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
8956         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
8957         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
8958         bf547m, bf548m, and bf549m.
8959         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
8960         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
8961         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
8962         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
8963         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
8964         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
8965         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
8966         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
8967         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
8968         bf542m, bf544m, bf547m, bf548m, and bf549m.
8969
8970         From Jie Zhang <jie.zhang@analog.com>:
8971         * config/bfin/predicates.md (p_register_operand): New predicate.
8972         (dp_register_operand): New predicate.
8973         * config/bfin/bfin-protos.h (WA_05000074): Define.
8974         (ENABLE_WA_05000074): Define.
8975         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
8976         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
8977         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
8978         (define_attr addrtype): Allow load/store register to be P register.
8979         (define_attr storereg): New.
8980         (define_cpu_unit anomaly_05000074): New.
8981         (define_insn_reservation dsp32shiftimm): New.
8982         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
8983         (define_insn_reservation loadp): Cannot use slot2.
8984         (define_insn_reservation loadsp): Cannot use slot2.
8985         (define_insn_reservation storep): Cannot use slot2. Does not
8986         apply when working around 05000074.
8987         (define_insn_reservation storep_anomaly_05000074): New.
8988         (define_insn_reservation storei): Does not apply when working
8989         around 05000074.
8990         (define_insn_reservation storei_anomaly_05000074): New.
8991         (define_attr length): Add dsp32shiftimm case.
8992         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
8993         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
8994         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
8995         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
8996         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
8997
8998 2009-09-07  Martin Jambor  <mjambor@suse.cz>
8999
9000         PR middle-end/41282
9001         * tree-sra.c (create_artificial_child_access): Return NULL if
9002         build_ref_for_offset fails.
9003         (propagate_subacesses_accross_link): Allow build_ref_for_offset
9004         and create_artificial_child_access to fail.
9005
9006 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
9007
9008         PR c++/41214
9009         * unwind-dw2.c (uw_init_context_1): Mark noinline.
9010         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
9011         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
9012
9013 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
9014
9015         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
9016         block, ensure it has an exit edge.  Emit a barrier after a jump.
9017
9018 2009-09-07  Nick Clifton  <nickc@redhat.com>
9019
9020         * gcc.c (this_is_linker_script): New variable.  Like
9021         this_is_library_file but for the %T constructor.
9022         (end_going_arg): If this_is_linker_script is set then locate the
9023         script and insert a --script switch before it
9024         (do_spec_2): Initialise this_is_linker_script.
9025         (do_spec_1): Likewise.  Handle %T construct.
9026         (eval_spec_function): Preserve this_is_linker_script.
9027         * doc/invoke.texi: Document %T construct in spec files.
9028         * config/m32c/m32c.h (LIB_SPEC): Use it.
9029
9030 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9031
9032         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
9033         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
9034         when volatile flag is set.
9035         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
9036
9037 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
9038
9039         PR bootstrap/41241
9040         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
9041         (combine_stack_adjustments_for_block): Allow insns between stack
9042         adjustments and stores with corresponding pre-(dec|inc)rement or
9043         pre-modify operation.
9044
9045 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
9046
9047         PR bootstrap/41241
9048         * combine-stack-adj.c (struct csa_memlist): Rename to...
9049         (struct csa_reflist): ... this.  Rename mem field to ref.
9050         (free_csa_memlist): Rename to...
9051         (free_csa_reflist): ... this.
9052         (record_one_stack_memref): Rename to...
9053         (record_one_stack_ref): ... this.  Handle also REG_P.
9054         (try_apply_stack_adjustment): Handle also REG_P.
9055         (struct record_stack_memrefs_data): Rename to...
9056         (struct record_stack_refs_data): ... this.  Rename memlist field to
9057         reflist.
9058         (record_stack_memrefs): Rename to...
9059         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
9060         subexpressions instead of failing when a MEM contains SP references.
9061         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
9062         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
9063
9064 2009-09-06  Richard Guenther  <rguenther@suse.de>
9065
9066         PR middle-end/41144
9067         * tree.c (build_array_type): Do not record types marked
9068         with structural equality in the canonical type hashtable.
9069
9070 2009-09-06  Richard Guenther  <rguenther@suse.de>
9071
9072         PR middle-end/41261
9073         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
9074
9075 2009-09-05  Richard Guenther  <rguenther@suse.de>
9076
9077         PR middle-end/41181
9078         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
9079
9080 2009-09-05  Richard Guenther  <rguenther@suse.de>
9081
9082         PR debug/41273
9083         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
9084
9085 2009-09-05  Richard Guenther  <rguenther@suse.de>
9086
9087         PR middle-end/41271
9088         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
9089         before comparing function argument types.
9090
9091 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
9092
9093         PR target/41024
9094         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
9095         the assembler.
9096
9097 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
9098
9099         Revert:
9100         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
9101
9102         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
9103         locators before emit_insn is called.
9104
9105 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
9106
9107         PR bootstrap/41241
9108         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
9109         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
9110         (reginfo_init): Don't call allocate_reg_info.
9111
9112 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
9113
9114         PR target/41262
9115         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
9116         NONDEBUG_INSN_P instead of INSN_P.
9117
9118 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9119
9120         PR debug/41225
9121         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
9122
9123 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9124
9125         PR target/41252
9126         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
9127         pattern of the split.
9128
9129 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9130
9131         * toplev.c (process_options): Move setter of flag_var_tracking
9132         before other tests that depend on it.  Move down setter of
9133         flag_rename_registers.  Don't enable var-tracking-assignments
9134         by default if selective scheduling is enabled.  Warn if both
9135         are enabled.
9136
9137 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
9138
9139         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
9140         comment.  Use switch statement to catch overlaps between rtx
9141         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
9142         (IS_DECL_CODE): ... here. Remove.
9143         (check_value_is_not_decl): Remove.
9144         (dv_from_decl, dv_from_value): Check after conversion.
9145
9146 2009-09-04  Richard Guenther  <rguenther@suse.de>
9147
9148         PR middle-end/41257
9149         * (cgraph_finalize_compilation_unit): Move finalizing aliases
9150         after emitting tunks.  Move emitting thunks and ctors from ...
9151         (cgraph_optimize): ... here.  Remove redundant
9152         cgraph_analyze_functions.
9153         * varasm.c (find_decl_and_mark_needed): Remove no longer
9154         necessary check.
9155         (finish_aliases_1): Adjust check for thunk aliases.
9156
9157 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
9158
9159         * config/arm/arm.md (ctzsi2): Added braces
9160         to avoid warning that broke booststrap.
9161
9162 2009-09-04  Martin Jambor  <mjambor@suse.cz>
9163
9164         PR tree-optimization/41112
9165         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
9166         handle variable-bounded arrays.
9167         (expr_with_var_bounded_array_refs_p): New function.
9168         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
9169
9170 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
9171
9172         * config/s390/2097.md: Removed two incorrect bypasses.
9173         (z10_fsimpdf): Fixed latency.
9174         (z10_fhex): New insn_reservation.
9175         (z10_floaddf): Fixed latency.
9176         (z10_floadsf): Fixed latency.
9177         (z10_ftrunctf): Fixed latency.
9178         (z10_ftruncdf): Fixed latency.
9179         * config/s390/s390.c (z10_cost): Fixed values.
9180         (s390_adjust_priority): Added z10 path.
9181         * config/s390/s390.md (type): Added fhex.
9182         (*mov<mode>_64dfp): Updated type attribute.
9183         (*mov<mode>_64): Updated type attribute.
9184         (*mov<mode>_31): Updated type attribute.
9185         (*mov<mode>"): Likewise.
9186         * config/s390/2084.md (x_fsimpdf): Updated condition.
9187
9188 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
9189
9190         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
9191         RTXs in the predicate for operand 1.
9192
9193 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
9194
9195         * config/arm/arm.md (UNSPEC_RBIT): New constant.
9196         (rbitsi2): New insn.
9197         (ctzsi2): New expand.
9198         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
9199
9200 2009-09-03  Martin Jambor  <mjambor@suse.cz>
9201
9202         * tree-sra.c (duplicate_expr_for_different_base): Removed.
9203         (create_artificial_child_access): Use build_ref_for_offset instead
9204         of duplicate_expr_for_different_base.
9205         (propagate_subacesses_accross_link): Likewise.
9206
9207 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
9208
9209         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
9210         of INSN_P.
9211         (mips16e_collect_argument_saves): Skip debug instructions.
9212         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
9213         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
9214         (r10k_insert_cache_barriers): Likewise.
9215         (mips_reorg_process_insns): Likewise.
9216
9217 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
9218
9219         PR bootstrap/41241
9220         * ira.c (update_equiv_reg): Remove check on class likely spill.
9221
9222 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
9223
9224         PR debug/41236
9225         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
9226         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
9227         it or SUBREG.
9228
9229         PR debug/41238
9230         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
9231         the stack slot if it is passed by invisible reference.
9232         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
9233         by invisible reference.
9234
9235 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
9236
9237         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
9238         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
9239         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
9240         0.
9241         * config/bfin/sync.md: New file.
9242         * config/bfin/bfin.md: Include it.
9243         (UNSPEC_ATOMIC): New.
9244         (UNSPEC_ONES): Provide a unique number.
9245
9246         From Jie Zhang <jie.zhang@analog.com>:
9247         * config/bfin/bfin.c (ret_regs): New.
9248         (must_save_fp_p): Don't return true because of frame_pointer_needed.
9249         (must_save_rets_p): New.
9250         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
9251         current_function_is_leaf.
9252         (do_link): Likewise.
9253         (do_unlink): Likewise.
9254         (expand_interrupt_handler_prologue): Use ret_regs array.
9255         (expand_interrupt_handler_epilogue): Use ret_regs array and
9256         pass return register to gen_return_internal.
9257         (bfin_expand_epilogue): Pass return register to
9258         gen_return_internal.
9259         (bfin_expand_call): Explicitly clobber RETS.
9260         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
9261         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
9262         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
9263         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
9264         RETS.
9265         (return_internal): Take a reg rtx rather than the register number.
9266
9267 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
9268
9269         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
9270         when comparing against estimated_loop_iterations_int return.
9271
9272 2009-09-03  Richard Guenther  <rguenther@suse.de>
9273
9274         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
9275         eh_personality_libfunc.
9276
9277 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
9278
9279         * tree-parloops.c (separate_decls_in_region): Add space.
9280
9281 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
9282
9283         * tree-parloops.c (separate_decls_in_region): Change the condition
9284         checking if there are reductions in the loop.
9285
9286 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
9287
9288         PR tree-optimization/38275
9289         * tree-parloops.c (parallelize_loops): Replace profitability condition
9290         for expected number of iterations.
9291
9292 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
9293
9294         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
9295         (bootstrap-debug): Explain conditions in which it becomes default.
9296         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
9297         make it add to it.
9298
9299 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
9300
9301         * doc/invoke.texi (Optimize Options): Move
9302         -finline-small-functions to the -O2 list.
9303
9304 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
9305
9306         * toplev.c (process_options): Enable var-tracking-assignments
9307         by default if var-tracking is enabled.
9308
9309 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
9310
9311         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
9312         barrier.
9313         * emit-rtl.c (prev_nonnote_insn_bb): New function.
9314         * rtl.h (prev_nonnote_insn_bb): Declare it.
9315
9316 2009-09-03  Diego Novillo  <dnovillo@google.com>
9317
9318         * cgraph.c (cgraph_node_for_decl): New.
9319         * cgraph.h (cgraph_node_for_decl): Declare.
9320         * tree.c (host_integerp): Return 0 if T is NULL.
9321
9322 2009-09-03  Diego Novillo  <dnovillo@google.com>
9323
9324         * tree.h (struct alias_pair): Move from varasm.c.
9325         (alias_pairs): Likewise.
9326         (TYPE_MAXVAL): Define.
9327         (TYPE_MINVAL): Define.
9328         (iterative_hash_host_wide_int): Declare.
9329         (remove_unreachable_alias_pairs): Declare.
9330         * tree-pass.h (pass_ipa_free_lang_data): Declare.
9331         * diagnostic.c (default_diagnostic_starter): Make extern.
9332         (default_diagnostic_finalizer): Make extern.
9333         * diagnostic.h (default_diagnostic_starter): Declare.
9334         (default_diagnostic_finalizer): Declare.
9335         (default_tree_printer): Declare.
9336         * toplev.c (default_tree_printer): Make extern.
9337
9338 2009-09-03  Richard Guenther  <rguenther@suse.de>
9339             Diego Novillo  <dnovillo@google.com>
9340
9341         * cgraph.c (cgraph_add_new_function): Remove gimplification.
9342         * cgraphunit.c (cgraph_expand_function): Do not emit
9343         associated thunks from here.
9344         (cgraph_emit_thunks): New.
9345         (cgraph_optimize): Call it.
9346         Return if any IPA pass finds an error.
9347         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
9348         by thunks.
9349
9350 2009-09-03  Simon Baldwin  <simonb@google.com>
9351             Rafael Espindola  <espindola@google.com>
9352             Richard Guenther  <rguenther@suse.de>
9353             Doug Kwan  <dougkwan@google.com>
9354             Diego Novillo  <dnovillo@google.com>
9355
9356         * tree.c: Include tree-pass.h, langhooks-def.h,
9357         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
9358         (free_lang_data_in_type): New.
9359         (need_assembler_name_p): New.
9360         (free_lang_data_in_block): New.
9361         (free_lang_data_in_decl): New.
9362         (struct free_lang_data_d): New.
9363         (add_tree_to_fld_list): New.
9364         (find_decls_types_r): New.
9365         (get_eh_types_for_runtime): New.
9366         (find_decls_types_in_eh_region): New.
9367         (find_decls_types_in_node): New.
9368         (find_decls_types_in_var): New.
9369         (free_lang_data_in_cgraph): New.
9370         (free_lang_data): New.
9371         (gate_free_lang_data): New.
9372         (pass_ipa_free_lang_data): New.
9373
9374 2009-09-03  Diego Novillo  <dnovillo@google.com>
9375
9376         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
9377         * langhooks.h (struct lang_hooks): Add field free_lang_data.
9378         (lang_hooks): Remove const qualifier.
9379         * ipa.c (cgraph_remove_unreachable_nodes): Call
9380         remove_unreachable_alias_pairs.
9381         * except.c (add_type_for_runtime): Check if TYPE has
9382         already been converted.
9383         (lookup_type_for_runtime): Likewise.
9384         (check_handled): Handle converted types.
9385         * varasm.c (remove_unreachable_alias_pairs): New.
9386         * gimple.c: Include demangle.h.
9387         (gimple_decl_printable_name): New.
9388         (gimple_fold_obj_type_ref): New.
9389         * gimple.h (gimple_decl_printable_name): Declare.
9390         (gimple_fold_obj_type_ref): Declare.
9391         * passes.c (init_optimization_passes): Add pass
9392         pass_ipa_free_lang_data.
9393         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
9394         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
9395
9396 2009-09-03  Diego Novillo  <dnovillo@google.com>
9397
9398         * c-lang.c (lang_hooks): Remove const qualifier.
9399
9400 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
9401
9402         * doc/install.texi (*-*-freebsd*): Update target information.
9403
9404 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
9405
9406         * hard-reg-set.h (call_fixed_regs): Remove.
9407         * reginfo.c (call_fixed_regs): Remove.
9408         (init_reg_sets_1): Remove initialization of call_fixed_regs.
9409         (globalize_reg): Don't use call_fixed_regs.
9410         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
9411         call_fixed_regs.
9412
9413 2009-09-01  Michael Matz  <matz@suse.de>
9414
9415         * expr.h (emit_storent_insn, expand_expr_real_1,
9416         expand_expr_real_2): Declare.
9417         * expr.c (emit_storent_insn, expand_expr_real_1,
9418         expand_expr_real_2): Export.
9419         (store_expr): Setting and evaluating dont_return_target is useless.
9420         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
9421         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
9422         * except.c (expand_resx_expr): Rename to ...
9423         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
9424         * except.h (expand_resx_stmt): Declare.
9425         * stmt.c: Add include gimple.h
9426         (expand_asm_expr): Rename to ...
9427         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
9428         (expand_case): Rewrite to take gimple statement.
9429         * tree.h (expand_asm_stmt): Declare.
9430         (expand_case): Change prototype.
9431         * Makefile.in (stmt.o): Depend on gimple.h.
9432         * builtins.c (expand_builtin_synchronize): Build gimple asm
9433         statement, not an ASM_EXPR.
9434         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
9435         gimple_to_tree, release_stmt_tree): Remove.
9436         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
9437         ggc_free, but hold comparison code and operands separately.
9438         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
9439         (expand_call_stmt, expand_gimple_stmt_1,
9440         expand_gimple_stmt): New helpers.
9441         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
9442         release_stmt_tree.  Call expand_gimple_stmt instead.
9443         (expand_gimple_basic_block): Ditto.
9444
9445         * calls.c (emit_call_1): Don't look at EH regions here, make
9446         fntree parameter useless.
9447         (expand_call): New local rettype for TREE_TYPE(exp), use it
9448         throughout.  Remove local p, use addr instead.
9449         Don't look at EH regions here.
9450
9451 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
9452
9453         * doc/invoke.texi (-fsched-pressure): Document it.
9454         (-fsched-reg-pressure-heuristic): Remove it.
9455
9456         * reload.c (ira.h): Include.
9457         (find_reloads): Add choosing reload on number of small spilled
9458         classes.
9459
9460         * haifa-sched.c (ira.h): Include.
9461         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
9462         saved_reg_pressure, curr_reg_live, saved_reg_live,
9463         region_ref_regs): New variables.
9464         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
9465         initiate_reg_pressure_info, setup_ref_regs,
9466         initiate_bb_reg_pressure_info, save_reg_pressure,
9467         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
9468         functions.
9469         (setup_insn_reg_pressure_info): New function.
9470         (rank_for_schedule): Add pressure checking and insn issue time.
9471         Remove comparison of insn reg weights.
9472         (ready_sort): Set insn reg pressure info.
9473         (update_register_pressure, setup_insn_max_reg_pressure,
9474         update_reg_and_insn_max_reg_pressure,
9475         sched_setup_bb_reg_pressure_info): New functions.
9476         (schedule_insn): Add code for printing and updating reg pressure info.
9477         (find_set_reg_weight, find_insn_reg_weight): Remove.
9478         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
9479         (debug_ready_list): Print reg pressure info.
9480         (schedule_block): Ditto.  Check insn issue time.
9481         (sched_init): Set up sched_pressure_p.  Allocate and set up some
9482         reg pressure related info.
9483         (sched_finish): Free some reg pressure related info.
9484         (fix_tick_ready): Make insn always ready if pressure_p.
9485         (init_h_i_d): Don't call find_insn_reg_weight.
9486         (haifa_finish_h_i_d): Free insn reg pressure info.
9487
9488         * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
9489         ira_memory_move_cost, ira_class_hard_regs,
9490         ira_class_hard_regs_num, ira_no_alloc_regs,
9491         ira_available_class_regs, ira_reg_class_cover_size,
9492         ira_reg_class_cover, ira_class_translate): Move to ira.h.
9493
9494         * ira-lives.c (single_reg_class): Check mode to find how many
9495         registers are necessary for operand.
9496         (ira_implicitly_set_insn_hard_regs): New.
9497
9498         * common.opt (fsched-pressure): New options.
9499         (fsched-reg-pressure-heuristic): Remove.
9500
9501         * ira.c (setup_eliminable_regset): Rename to
9502         ira_setup_eliminable_regset.  Make it external.
9503         (expand_reg_info): Pass cover class to setup_reg_classes.
9504         (ira): Call resize_reg_info instead of allocate_reg_info.
9505
9506         * sched-deps.c: Include ira.h.
9507         (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
9508         (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
9509         reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
9510         mark_insn_hard_regno_birth, mark_insn_reg_birth,
9511         mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
9512         mark_insn_reg_store, mark_insn_reg_clobber,
9513         setup_insn_reg_pressure_info): New.
9514         (sched_analyze_1): Update implicit_reg_pending_uses.
9515         (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
9516         Use them to create dependencies.  Set insn reg uses and pressure
9517         info.  Process reg_pending_uses in one place.
9518         (free_deps): Free implicit sets.
9519         (remove_from_deps): Remove implicit sets if necessary.  Check
9520         implicit sets when clearing reg_last_in_use.
9521         (init_deps_global): Clear implicit_reg_pending_clobbers and
9522         implicit_reg_pending_uses.
9523
9524         * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
9525         ira_memory_move_cost, ira_class_hard_regs,
9526         ira_class_hard_regs_num, ira_no_alloc_regs,
9527         ira_available_class_regs, ira_reg_class_cover_size,
9528         ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
9529         (ira_setup_eliminable_regset, ira_set_pseudo_classes,
9530         ira_implicitly_set_insn_hard_regs): New prototypes.
9531
9532         * ira-costs.c (pseudo_classes_defined_p, allocno_p,
9533         cost_elements_num): New variables.
9534         (allocno_costs, total_costs): Rename to costs and
9535         total_allocno_costs.
9536         (COSTS_OF_ALLOCNO): Rename to COSTS.
9537         (allocno_pref): Rename to pref.
9538         (allocno_pref_buffer): Rename to pref_buffer.
9539         (common_classes): Rename to regno_cover_class.
9540         (COST_INDEX): New.
9541         (record_reg_classes): Set allocno attributes only if allocno_p.
9542         (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
9543         (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
9544         and COSTS_OF_ALLOCNO.
9545         (print_costs): Rename to print_allocno_costs.
9546         (print_pseudo_costs): New.
9547         (process_bb_node_for_costs): Split into 2 functions with new
9548         function process_bb_for_costs.  Pass BB to process_bb_for_costs.
9549         (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
9550         new parameter dump_file.  Use cost_elements_num instead of
9551         ira_allocnos_num.  Make one iteration if preferred classes were
9552         already calculated for scheduler.  Make 2 versions of code
9553         depending on allocno_p.
9554         (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
9555         regno_cover_class and COSTS instead of common_classes and
9556         COSTS_OF_ALLOCNO.
9557         (init_costs, finish_costs): New.
9558         (ira_costs): Set up allocno_p and cost_elements_num.  Call
9559         init_costs and finish_costs.
9560         (ira_set_pseudo_classes): New.
9561
9562         * rtl.h (allocate_reg_info): Remove.
9563         (resize_reg_info): Change return type.
9564         (reg_cover_class): New.
9565         (setup_reg_classes): Add new parameter.
9566
9567         * sched-int.h (struct deps_reg): New member implicit_sets.
9568         (sched_pressure_p, sched_regno_cover_class): New external definitions.
9569         (INCREASE_BITS): New macro.
9570         (struct reg_pressure_data, struct reg_use_data): New.
9571         (struct _haifa_insn_data): Remove reg_weight.  Add members
9572         reg_pressure, reg_use_list, reg_set_list, and
9573         reg_pressure_excess_cost_change.
9574         (struct deps): New member implicit_sets.
9575         (pressure_p): New variable.
9576         (COVER_CLASS_BITS, INCREASE_BITS): New macros.
9577         (struct reg_pressure_data, struct reg_use_data): New.
9578         (INSN_REG_WEIGHT): Remove.
9579         (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
9580         INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
9581         (sched_init_region_reg_pressure_info,
9582         sched_setup_bb_reg_pressure_info): New prototypes.
9583
9584         * reginfo.c (struct reg_pref): New member coverclass.
9585         (reg_cover_class): New function.
9586         (reginfo_init, pass_reginfo_init): Move after free_reg_info.
9587         (reg_info_size): New variable.
9588         (allocate_reg_info): Make static.  Setup reg_info_size.
9589         (resize_reg_info): Use reg_info_size.  Return flag of resizing.
9590         (setup_reg_classes): Add a new parameter.  Setup cover class too.
9591
9592         * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
9593         the dependencies.
9594
9595         * sched-rgn.c (deps_join): Set up implicit_sets.
9596         (schedule_region): Set up region and basic blocks pressure
9597         relative info.
9598
9599         * passes.c (init_optimization_passes): Move
9600         pass_subregs_of_mode_init before pass_sched.
9601
9602 2009-09-02  Martin Jambor  <mjambor@suse.cz>
9603
9604         * tree-sra.c (struct access): New field grp_hint.
9605         (dump_access): Dump grp_hint.
9606         (sort_and_splice_var_accesses): Set grp_hint if a group is read
9607         multiple times.
9608         (analyze_access_subtree): Only scalarize accesses with grp_hint set or
9609         those which have been specifically read and somehow written to.
9610         (propagate_subacesses_accross_link): Set grp_hint of right child and
9611         also possibly of the left child.
9612
9613 2009-09-02  Jakub Jelinek  <jakub@redhat.com>
9614
9615         * tree-object-size.c (addr_object_size): Always use object_size_type
9616         0 or 2 when determining the pointer pointed object size.
9617
9618 2009-09-02  Richard Guenther  <rguenther@suse.de>
9619
9620         Revert
9621         2009-08-31  Richard Guenther  <rguenther@suse.de>
9622
9623         * builtins.c (fold_builtin_memory_op): Use the alias oracle
9624         to query if the memory regions for memmove overlap.
9625         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
9626         asserts on pointers, instead deal with odd trees.
9627         (ptr_derefs_may_alias_p): Likewise.
9628         (refs_may_alias_p_1): Constructor bases also never alias.
9629
9630 2009-08-01  Christian Bruel  <christian.bruel@st.com>
9631
9632         Revert:
9633         2009-07-31  Christian Bruel  <christian.bruel@st.com>
9634         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
9635
9636 2009-09-01  Alexandre Oliva  <aoliva@redhat.com>
9637
9638         * doc/invoke.texi (-fvar-tracking-assignments): New.
9639         (-fvar-tracking-assignments-toggle): New.
9640         (-fdump-final-insns=file): Mark filename as optional.
9641         (--param min-nondebug-insn-uid): New.
9642         (-gdwarf-@{version}): Mention version 4.
9643         * opts.c (common_handle_option): Accept it.
9644         * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
9645         * regrename.c (regrename_optimize): Drop last.  Don't count debug
9646         insns as uses.  Don't reject change because of debug insn.
9647         (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
9648         from the chain starter, and check for inexact matches in DEBUG_INSNS.
9649         (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
9650         (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
9651         * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
9652         * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
9653         * doc/gimple.texi (is_gimple_debug): New.
9654         (gimple_debug_bind_p): New.
9655         (is_gimple_call, gimple_assign_cast_p): End sentence with period.
9656         * doc/install.texi (bootstrap-debug): More details.
9657         (bootstrap-debug-big, bootstrap-debug-lean): Document.
9658         (bootstrap-debug-lib): More details.
9659         (bootstrap-debug-ckovw): Update.
9660         (bootstrap-time): New.
9661         * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
9662         (insert_phi_nodes_for): Insert debug stmts.
9663         (rewrite_stmt): Take iterator.  Insert debug stmts.
9664         (rewrite_enter_block): Adjust.
9665         (maybe_replace_use_in_debug_stmt): New.
9666         (rewrite_update_stmt): Use it.
9667         (mark_use_interesting): Return early for debug stmts.
9668         * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
9669         stmts before replacing stmt.
9670         (move_computations_stmt): Likewise.
9671         * ira-conflicts.c (add_copies): Skip debug insns.
9672         * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
9673         (regstat_bb_compute_ri): Skip debug insns.
9674         * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
9675         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
9676         check_loop_closed_ssa_stmt): Skip debug stmts.
9677         * tree-tailcall.c (find_tail_calls): Likewise.
9678         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
9679         * tree.h (MAY_HAVE_DEBUG_STMTS): New.
9680         (build_var_debug_value_stat): Declare.
9681         (build_var_debug_value): Define.
9682         (target_for_debug_bind): Declare.
9683         * reload.c (find_equiv_reg): Skip debug insns.
9684         * rtlanal.c (reg_used_between_p): Skip debug insns.
9685         (side_effects_p): Likewise.
9686         (canonicalize_condition): Likewise.
9687         * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
9688         insns never depend on debug insns.
9689         (create_ddg_dep_no_link): Likewise.
9690         (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
9691         Don't add inter-loop dependencies for debug insns.
9692         (build_intra_loop_deps): Likewise.
9693         (create_ddg): Count debug insns.
9694         * ddg.h (struct ddg::num_debug): New.
9695         (num_backargs): Pair up with previous int field.
9696         * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
9697         -fcompare-debug-second.
9698         * final.c (get_attr_length_1): Skip debug insns.
9699         (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
9700         * gcc.c (invoke_as): Call compare-debug-dump-opt.
9701         (driver_self_specs): Map -fdump-final-insns to
9702         -fdump-final-insns=..
9703         (get_local_tick): New.
9704         (compare_debug_dump_opt_spec_function): Test for . argument and
9705         compute output name.  Compute temp output spec without flag name.
9706         Compute -frandom-seed.
9707         (OPT): Undef after use.
9708         * cfgloopanal.c (num_loop_insns): Skip debug insns.
9709         (average_num_loop_insns): Likewise.
9710         * params.h (MIN_NONDEBUG_INSN_UID): New.
9711         * gimple.def (GIMPLE_DEBUG): New.
9712         * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
9713         * auto-inc-dec.c (merge_in_block): Skip debug insns.
9714         (merge_in_block): Fix whitespace.
9715         * toplev.c (flag_var_tracking): Update comment.
9716         (flag_var_tracking_assignments): New.
9717         (flag_var_tracking_assignments_toggle): New.
9718         (process_options): Don't open final insns dump file if we're not
9719         going to write to it.  Compute defaults for var_tracking.
9720         * df-scan.c (df_insn_rescan_debug_internal): New.
9721         (df_uses_record): Handle debug insns.
9722         * haifa-sched.c (ready): Initialize n_debug.
9723         (contributes_to_priority): Skip debug insns.
9724         (dep_list_size): New.
9725         (priority): Use it.
9726         (rank_for_schedule): Likewise.  Schedule debug insns as soon as
9727         they're ready.  Disregard previous debug insns to make decisions.
9728         (queue_insn): Never queue debug insns.
9729         (ready_add, ready_remove_first, ready_remove): Count debug insns.
9730         (schedule_insn): Don't reject debug insns because of issue rate.
9731         (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
9732         (queue_to_ready): Skip and discount debug insns.
9733         (choose_ready): Let debug insns through.
9734         (schedule_block): Check boundary debug insns.  Discount debug
9735         insns, schedule them early.  Adjust whitespace.
9736         (set_priorities): Check for boundary debug insns.
9737         (add_jump_dependencies): Use dep_list_size.
9738         (prev_non_location_insn): New.
9739         (check_cfg): Use it.
9740         * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
9741         stmts.
9742         (remove_unused_ivs): Reset debug stmts.
9743         * modulo-sched.c (const_iteration_count): Skip debug insns.
9744         (res_MII): Discount debug insns.
9745         (loop_single_full_bb_p): Skip debug insns.
9746         (sms_schedule): Likewise.
9747         (sms_schedule_by_order): Likewise.
9748         (ps_has_conflicts): Likewise.
9749         * caller-save.c (refmarker_fn): New.
9750         (save_call_clobbered_regs): Replace regs with saved mem in
9751         debug insns.
9752         (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
9753         Call refmarker_fn mark for hardregnos.
9754         (mark_reg_as_referenced): New.
9755         (replace_reg_with_saved_mem): New.
9756         * ipa-pure-const.c (check_stmt): Skip debug stmts.
9757         * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
9758         searching back.
9759         (cse_extended_basic_block): Skip debug insns.
9760         (count_reg_usage): Likewise.
9761         (is_dead_reg): New, split out of...
9762         (set_live_p): ... here.
9763         (insn_live_p): Use it for debug insns.
9764         * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
9765         (execute_optimize_stdarg): Likewise.
9766         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
9767         * tree-ssa-propagate.c (substitute_and_fold): Don't regard
9768         changes in debug stmts as changes.
9769         * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
9770         (moveup_expr): Don't move across debug insns.  Don't move
9771         debug insn if it would create a bookkeeping block.
9772         (moveup_expr_cached): Don't use cache for debug insns that
9773         are heads of blocks.
9774         (compute_av_set_inside_bb): Skip debug insns.
9775         (sel_rank_for_schedule): Schedule debug insns first.  Remove
9776         dead code.
9777         (block_valid_for_bookkeeping_p); Support lax searches.
9778         (create_block_for_bookkeeping): Adjust block numbers when
9779         encountering debug-only blocks.
9780         (find_place_for_bookkeeping): Deal with debug-only blocks.
9781         (generate_bookkeeping_insn): Accept no place to insert.
9782         (remove_temp_moveop_nops): New argument full_tidying.
9783         (prepare_place_to_insert): Deal with debug insns.
9784         (advance_state_on_fence): Debug insns don't start cycles.
9785         (update_boundaries): Take fence as argument.  Deal with
9786         debug insns.
9787         (schedule_expr_on_boundary): No full_tidying on debug insns.
9788         (fill_insns): Deal with debug insns.
9789         (track_scheduled_insns_and_blocks): Don't count debug insns.
9790         (need_nop_to_preserve_insn_bb): New, split out of...
9791         (remove_insn_from_stream): ... this.
9792         (fur_orig_expr_not_found): Skip debug insns.
9793         * rtl.def (VALUE): Move up.
9794         (DEBUG_INSN): New.
9795         * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
9796         (nearest_common_dominator_of_uses): Take debug_stmts argument.
9797         Set it if debug stmts are found.
9798         (statement_sink_location): Skip debug stmts.  Propagate
9799         moving defs into debug stmts.
9800         * ifcvt.c (first_active_insn): Skip debug insns.
9801         (last_active_insns): Likewise.
9802         (cond_exec_process_insns): Likewise.
9803         (noce_process_if_block): Likewise.
9804         (check_cond_move_block): Likewise.
9805         (cond_move_convert_if_block): Likewise.
9806         (block_jumps_and_fallthru_p): Likewise.
9807         (dead_or_predicable): Likewise.
9808         * dwarf2out.c (debug_str_hash_forced): New.
9809         (find_AT_string): Add comment.
9810         (gen_label_for_indirect_string): New.
9811         (get_debug_string_label): New.
9812         (AT_string_form): Use it.
9813         (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
9814         MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
9815         discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
9816         several operations that cannot be represented with DWARF opcodes.
9817         (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
9818         dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
9819         (dwarf2out_var_location): Take during-call mark into account.
9820         (output_indirect_string): Update comment.  Output if there are
9821         label and references.
9822         (prune_indirect_string): New.
9823         (prune_unused_types): Call it if debug_str_hash_forced.
9824         More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
9825         (dw_long_long_const): Remove.
9826         (struct dw_val_struct): Change val_long_long type to rtx.
9827         (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
9828         val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
9829         (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
9830         component instead of HOST_BITS_PER_LONG.
9831         (output_loc_operands): Likewise.  For const8* assert
9832         HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
9833         (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
9834         rather than HOST_BITS_PER_LONG is >= 64.
9835         (add_AT_long_long): Remove val_hi and val_lo arguments, add
9836         val_const_double.
9837         (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
9838         HOST_BITS_PER_LONG for dw_val_class_long_long.
9839         (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
9840         handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
9841         (dwarf_stack_op_name): Handle DW_OP_implicit_value and
9842         DW_OP_stack_value.
9843         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
9844         Handle DW_OP_implicit_value.
9845         (extract_int): Move prototype earlier.
9846         (mem_loc_descriptor): For SUBREG punt if inner
9847         mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
9848         and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
9849         EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
9850         UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
9851         (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
9852         instead of Pmode size.
9853         (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
9854         CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
9855         attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
9856         (concat_loc_descriptor, concatn_loc_descriptor,
9857         loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
9858         (add_location_or_const_value_attribute): Likewise.  For single
9859         location loc_lists attempt to use add_const_value_attribute
9860         for constant decls.  Add DW_AT_const_value even if
9861         NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
9862         in its expression.
9863         * cfgbuild.c (inside_basic_block_p): Handle debug insns.
9864         (control_flow_insn_p): Likewise.
9865         * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
9866         (separate_decls_in_region_debug_bind): New.
9867         (separate_decls_in_region): Process debug bind stmts afterwards.
9868         * recog.c (verify_changes): Handle debug insns.
9869         (extract_insn): Likewise.
9870         (peephole2_optimize): Skip debug insns.
9871         * dse.c (scan_insn): Skip debug insns.
9872         * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
9873         Pass it on.
9874         (setup_id_for_insn): Handle debug insns.
9875         (maybe_tidy_empty_bb): Adjust whitespace.
9876         (tidy_control_flow): Skip debug insns.
9877         (sel_remove_insn): Adjust for debug insns.
9878         (sel_estimate_number_of_insns): Skip debug insns.
9879         (create_insn_rtx_from_pattern): Handle debug insns.
9880         (create_copy_of_insn_rtx): Likewise.
9881         * sel-sched-.h (sel_bb_end): Declare.
9882         (sel_bb_empty_or_nop_p): New.
9883         (get_all_loop_exits): Use it.
9884         (_eligible_successor_edge_p): Likewise.
9885         (return_nop_to_pool): Adjust.
9886         * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
9887         * ira-lives.c (process_bb_node_lives): Skip debug insns.
9888         * gimple-pretty-print.c (dump_gimple_debug): New.
9889         (dump_gimple_stmt): Use it.
9890         (dump_bb_header): Skip gimple debug stmts.
9891         * regmove.c (optimize_reg_copy_1): Discount debug insns.
9892         (fixup_match_2): Likewise.
9893         (regmove_backward_pass): Likewise.  Simplify combined
9894         replacement.  Handle debug insns.
9895         * function.c (instantiate_virtual_regs): Handle debug insns.
9896         * function.h (struct emit_status): Add x_cur_debug_insn_uid.
9897         * print-rtl.h: Include cselib.h.
9898         (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
9899         * df.h (df_inns_rescan_debug_internal): Declare.
9900         * gcse.c (alloc_hash_table): Estimate n_insns.
9901         (cprop_insn): Don't regard debug insns as changes.
9902         (bypass_conditional_jumps): Skip debug insns.
9903         (one_pre_gcse_pass): Adjust.
9904         (one_code_hoisting_pass): Likewise.
9905         (compute_ld_motion_mems): Skip debug insns.
9906         (one_cprop_pass): Adjust.
9907         * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
9908         (if_convertible_stmt_p): Handle debug stmts.
9909         * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
9910         * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
9911         * ira-build.c (create_bb_allocnos): Skip debug insns.
9912         * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
9913         (has_single_use): Likewise.
9914         (single_imm_use): Likewise.
9915         (num_imm_uses): Likewise.
9916         * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
9917         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
9918         (create_outofssa_var_map): Likewise.
9919         * lower-subreg.c (adjust_decomposed_uses): New.
9920         (resolve_debug): New.
9921         (decompose_multiword_subregs): Use it.
9922         * tree-dfa.c (find_referenced_vars): Skip debug stmts.
9923         * emit-rtl.c: Include params.h.
9924         (cur_debug_insn_uid): Define.
9925         (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
9926         (copy_rtx_if_shared_1): Handle debug insns.
9927         (reset_used_flags): Likewise.
9928         (set_used_flags): LIkewise.
9929         (get_max_insn_count): New.
9930         (next_nondebug_insn): New.
9931         (prev_nondebug_insn): New.
9932         (make_debug_insn_raw): New.
9933         (emit_insn_before_noloc): Handle debug insns.
9934         (emit_jump_insn_before_noloc): Likewise.
9935         (emit_call_insn_before_noloc): Likewise.
9936         (emit_debug_insn_before_noloc): New.
9937         (emit_insn_after_noloc): Handle debug insns.
9938         (emit_jump_insn_after_noloc): Likewise.
9939         (emit_call_insn_after_noloc): Likewise.
9940         (emit_debug_insn_after_noloc): Likewise.
9941         (emit_insn_after): Take loc from earlier non-debug insn.
9942         (emit_jump_insn_after): Likewise.
9943         (emit_call_insn_after): Likewise.
9944         (emit_debug_insn_after_setloc): New.
9945         (emit_debug_insn_after): New.
9946         (emit_insn_before): Take loc from later non-debug insn.
9947         (emit_jump_insn_before): Likewise.
9948         (emit_call_insn_before): Likewise.
9949         (emit_debug_insn_before_setloc): New.
9950         (emit_debug_insn_before): New.
9951         (emit_insn): Handle debug insns.
9952         (emit_debug_insn): New.
9953         (emit_jump_insn): Handle debug insns.
9954         (emit_call_insn): Likewise.
9955         (emit): Likewise.
9956         (init_emit): Take min-nondebug-insn-uid into account.
9957         Initialize cur_debug_insn_uid.
9958         (emit_copy_of_insn_after): Handle debug insns.
9959         * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
9960         location of single rhs in place.
9961         (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
9962         (floor_sdiv_adjust): New.
9963         (cell_sdiv_adjust): New.
9964         (cell_udiv_adjust): New.
9965         (round_sdiv_adjust): New.
9966         (round_udiv_adjust): New.
9967         (wrap_constant): Moved from cselib.
9968         (unwrap_constant): New.
9969         (expand_debug_expr): New.
9970         (expand_debug_locations): New.
9971         (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
9972         debug bind stmts.
9973         (gimple_expand_cfg): Expand debug locations.
9974         * cselib.c: Include tree-pass.h.
9975         (struct expand_value_data): New.
9976         (cselib_record_sets_hook): New.
9977         (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
9978         (cselib_clear_table): Move, and implemnet in terms of...
9979         (cselib_reset_table_with_next_value): ... this.
9980         (cselib_get_next_unknown_value): New.
9981         (discard_useless_locs): Don't discard preserved values.
9982         (cselib_preserve_value): New.
9983         (cselib_preserved_value_p): New.
9984         (cselib_preserve_definitely): New.
9985         (cselib_clear_preserve): New.
9986         (cselib_preserve_only_values): New.
9987         (new_cselib_val): Take rtx argument.  Dump it in details.
9988         (cselib_lookup_mem): Adjust.
9989         (expand_loc): Take regs_active in struct.  Adjust.  Silence
9990         dumps unless details are requested.
9991         (cselib_expand_value_rtx_cb): New.
9992         (cselib_expand_value_rtx): Rename and reimplment in terms of...
9993         (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
9994         without details.  Copy more subregs.  Try to resolve values
9995         using a callback.  Wrap constants.
9996         (cselib_subst_to_values): Adjust.
9997         (cselib_log_lookup): New.
9998         (cselib_lookup): Call it.
9999         (cselib_invalidate_regno): Don't count preserved values as useless.
10000         (cselib_invalidate_mem): Likewise.
10001         (cselib_record_set): Likewise.
10002         (struct set): Renamed to cselib_set, moved to cselib.h.
10003         (cselib_record_sets): Adjust.  Call hook.
10004         (cselib_process_insn): Reset table when it would be cleared.
10005         (dump_cselib_val): New.
10006         (dump_cselib_table): New.
10007         * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
10008         (remove_forwarder_block): Support moving debug stmts.
10009         * cselib.h (cselib_record_sets_hook): Declare.
10010         (cselib_expand_callback): New type.
10011         (cselib_expand_value_rtx_cb): Declare.
10012         (cselib_reset_table_with_next_value): Declare.
10013         (cselib_get_next_unknown_value): Declare.
10014         (cselib_preserve_value): Declare.
10015         (cselib_preserved_value_p): Declare.
10016         (cselib_preserve_only_values): Declare.
10017         (dump_cselib_table): Declare.
10018         * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
10019         (try_crossjump_to_edge): Likewise.
10020         (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
10021         dominated blocks when debug stmts are present.
10022         * simplify-rtx.c (delegitimize_mem_from_attrs): New.
10023         * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
10024         (set_var_live_on_entry): Likewise.
10025         * loop-invariant.c (find_invariants_bb): Skip debug insns.
10026         * cfglayout.c (curr_location, last_location): Make static.
10027         (set_curr_insn_source_location): Don't avoid bouncing.
10028         (get_curr_insn_source_location): New.
10029         (get_curr_insn_block): New.
10030         (duplicate_insn_chain): Handle debug insns.
10031         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
10032         into debug stmts.
10033         * common.opt (fcompare-debug): Move to sort order.
10034         (fdump-unnumbered-links): Likewise.
10035         (fvar-tracking-assignments): New.
10036         (fvar-tracking-assignments-toggle): New.
10037         * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
10038         because of debug stmts.
10039         (mark_stmt_if_obviously_necessary): Mark debug stmts.
10040         (eliminate_unnecessary_stmts): Walk dominated blocks before
10041         dominators.
10042         * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
10043         * ira.c (memref_used_between_p): Skip debug insns.
10044         (update_equiv_regs): Likewise.
10045         * sched-deps.c (sd_lists_size): Accept empty list.
10046         (sd_init_insn): Mark debug insns.
10047         (sd_finish_insn): Unmark them.
10048         (sd_add_dep): Reject non-debug deps on debug insns.
10049         (fixup_sched_groups): Give debug insns group treatment.
10050         Skip debug insns.
10051         (sched_analyze_reg): Don't mark debug insns for sched before call.
10052         (sched_analyze_2): Handle debug insns.
10053         (sched_analyze_insn): Compute next non-debug insn.  Handle debug
10054         insns.
10055         (deps_analyze_insn): Handle debug insns.
10056         (deps_start_bb): Skip debug insns.
10057         (init_deps): Initialize last_debug_insn.
10058         * tree-ssa.c (target_for_debug_bind): New.
10059         (find_released_ssa_name): New.
10060         (propagate_var_def_into_debug_stmts): New.
10061         (propagate_defs_into_debug_stmts): New.
10062         (verify_ssa): Skip debug bind stmts without values.
10063         (warn_uninialized_vars): Skip debug stmts.
10064         * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
10065         * rtl.c (rtx_equal_p_cb): Handle VALUEs.
10066         (rtx_equal_p): Likewise.
10067         * ira-costs.c (scan_one_insn): Skip debug insns.
10068         (process_bb_node_for_hard_reg_moves): Likewise.
10069         * rtl.h (DEBUG_INSN_P): New.
10070         (NONDEBUG_INSN_P): New.
10071         (MAY_HAVE_DEBUG_INSNS): New.
10072         (INSN_P): Accept debug insns.
10073         (RTX_FRAME_RELATED_P): Likewise.
10074         (INSN_DELETED_P): Likewise
10075         (PAT_VAR_LOCATION_DECL): New.
10076         (PAT_VAR_LOCATION_LOC): New.
10077         (PAT_VAR_OCATION_STATUS): New.
10078         (NOTE_VAR_LOCATION_DECL): Reimplement.
10079         (NOTE_VAR_LOCATION_LOC): Likewise.
10080         (NOTE_VAR_LOCATION_STATUS): Likewise.
10081         (INSN_VAR_LOCATION): New.
10082         (INSN_VAR_LOCATION_DECL): New.
10083         (INSN_VAR_LOCATION_LOC): New.
10084         (INSN_VAR_LOCATION_STATUS): New.
10085         (gen_rtx_UNKNOWN_VAR_LOC): New.
10086         (VAR_LOC_UNKNOWN_P): New.
10087         (NOTE_DURING_CALL_P): New.
10088         (SCHED_GROUP_P): Accept debug insns.
10089         (emit_debug_insn_before): Declare.
10090         (emit_debug_insn_before_noloc): Declare.
10091         (emit_debug_insn_beore_setloc): Declare.
10092         (emit_debug_insn_after): Declare.
10093         (emit_debug_insn_after_noloc): Declare.
10094         (emit_debug_insn_after_setloc): Declare.
10095         (emit_debug_insn): Declare.
10096         (make_debug_insn_raw): Declare.
10097         (prev_nondebug_insn): Declare.
10098         (next_nondebug_insn): Declare.
10099         (delegitimize_mem_from_attrs): Declare.
10100         (get_max_insn_count): Declare.
10101         (wrap_constant): Declare.
10102         (unwrap_constant): Declare.
10103         (get_curr_insn_source_location): Declare.
10104         (get_curr_insn_block): Declare.
10105         * tree-inline.c (insert_debug_decl_map): New.
10106         (processing_debug_stmt): New.
10107         (remap_decl): Don't create new mappings in debug stmts.
10108         (remap_gimple_op_r): Don't add references in debug stmts.
10109         (copy_tree_body_r): Likewise.
10110         (remap_gimple_stmt): Handle debug bind stmts.
10111         (copy_bb): Skip debug stmts.
10112         (copy_edges_for_bb): Likewise.
10113         (copy_debug_stmt): New.
10114         (copy_debug_stmts): New.
10115         (copy_body): Copy debug stmts at the end.
10116         (insert_init_debug_bind): New.
10117         (insert_init_stmt): Take id.  Skip and emit debug stmts.
10118         (setup_one_parameter): Remap variable earlier, register debug mapping.
10119         (estimate_num_insns): Skip debug stmts.
10120         (expand_call_inline): Preserve debug_map.
10121         (optimize_inline_calls): Check for no debug_stmts left-overs.
10122         (unsave_expr_now): Preserve debug_map.
10123         (copy_gimple_seq_and_replace_locals): Likewise.
10124         (tree_function_versioning): Check for no debug_stmts left-overs.
10125         Init and destroy debug_map as needed.  Split edges unconditionally.
10126         (build_duplicate_type): Init and destroy debug_map as needed.
10127         * tree-inline.h: Include gimple.h instead of pointer-set.h.
10128         (struct copy_body_data): Add debug_stmts and debug_map.
10129         * sched-int.h (struct ready_list): Add n_debug.
10130         (struct deps): Add last_debug_insn.
10131         (DEBUG_INSN_SCHED_P): New.
10132         (BOUNDARY_DEBUG_INSN_P): New.
10133         (SCHEDULE_DEBUG_INSN_P): New.
10134         (sd_iterator_cond): Accept empty list.
10135         * combine.c (create_log_links): Skip debug insns.
10136         (combine_instructions): Likewise.
10137         (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
10138         return value is always unshared.
10139         (struct rtx_subst_pair): New.
10140         (auto_adjust_pair): New.
10141         (propagate_for_debug_subst): New.
10142         (propagate_for_debug): New.
10143         (try_combine): Skip debug insns.  Propagate removed defs into
10144         debug insns.
10145         (next_nonnote_nondebug_insn): New.
10146         (distribute_notes): Use it.  Skip debug insns.
10147         (distribute_links): Skip debug insns.
10148         * tree-outof-ssa.c (set_location_for_edge): Likewise.
10149         * resource.c (mark_target_live_regs): Likewise.
10150         * var-tracking.c: Include cselib.h and target.h.
10151         (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
10152         MO_VAL_SET.
10153         (micro_operation_type_name): New.
10154         (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
10155         (struct micro_operation_def): Update comments.
10156         (decl_or_value): New type.  Use instead of decls.
10157         (struct emit_note_data_def): Add vars.
10158         (struct attrs_def): Use decl_or_value.
10159         (struct variable_tracking_info_def): Add permp, flooded.
10160         (struct location_chain_def): Update comment.
10161         (struct variable_part_def): Use decl_or_value.
10162         (struct variable_def): Make var_part a variable length array.
10163         (valvar_pool): New.
10164         (scratch_regs): New.
10165         (cselib_hook_called): New.
10166         (dv_is_decl_p): New.
10167         (dv_is_value_p): New.
10168         (dv_as_decl): New.
10169         (dv_as_value): New.
10170         (dv_as_opaque): New.
10171         (dv_onepart_p): New.
10172         (dv_pool): New.
10173         (IS_DECL_CODE): New.
10174         (check_value_is_not_decl): New.
10175         (dv_from_decl): New.
10176         (dv_from_value): New.
10177         (dv_htab_hash): New.
10178         (variable_htab_hash): Use it.
10179         (variable_htab_eq): Support values.
10180         (variable_htab_free): Free from the right pool.
10181         (attrs_list_member, attrs_list_insert): Use decl_or_value.
10182         (attrs_list_union): Adjust.
10183         (attrs_list_mpdv_union): New.
10184         (tie_break_pointers): New.
10185         (canon_value_cmp): New.
10186         (unshare_variable): Return possibly-modified slot.
10187         (vars_copy_1): Adjust.
10188         (var_reg_decl_set): Adjust.  Split out of...
10189         (var_reg_set): ... this.
10190         (get_init_value): Adjust.
10191         (var_reg_delete_and_set): Adjust.
10192         (var_reg_delete): Adjust.
10193         (var_regno_delete): Adjust.
10194         (var_mem_decl_set): Split out of...
10195         (var_mem_set): ... this.
10196         (var_mem_delete_and_set): Adjust.
10197         (var_mem_delete): Adjust.
10198         (val_store): New.
10199         (val_reset): New.
10200         (val_resolve): New.
10201         (variable_union): Adjust.  Speed up merge of 1-part vars.
10202         (variable_canonicalize): Use unshared slot.
10203         (VALUED_RECURSED_INTO): New.
10204         (find_loc_in_1pdv): New.
10205         (struct dfset_merge): New.
10206         (insert_into_intersection): New.
10207         (intersect_loc_chains): New.
10208         (loc_cmp): New.
10209         (canonicalize_loc_order_check): New.
10210         (canonicalize_values_mark): New.
10211         (canonicalize_values_star): New.
10212         (variable_merge_over_cur): New.
10213         (variable_merge_over_src): New.
10214         (dataflow_set_merge): New.
10215         (dataflow_set_equiv_regs): New.
10216         (remove_duplicate_values): New.
10217         (struct dfset_post_merge): New.
10218         (variable_post_merge_new_vals): New.
10219         (variable_post_merge_perm_vals): New.
10220         (dataflow_post_merge_adjust): New.
10221         (find_mem_expr_in_1pdv): New.
10222         (dataflow_set_preserve_mem_locs): New.
10223         (dataflow_set_remove_mem_locs): New.
10224         (dataflow_set_clear_at_call): New.
10225         (onepart_variable_different_p): New.
10226         (variable_different_p): Use it.
10227         (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
10228         (track_expr_p): Add need_rtl parameter.  Don't generate rtl
10229         if not needed.
10230         (track_loc_p): Pass it true.
10231         (struct count_use_info): New.
10232         (find_use_val): New.
10233         (replace_expr_with_values): New.
10234         (log_op_type): New.
10235         (use_type): New, partially split out of...
10236         (count_uses): ... this.  Count new micro-ops.
10237         (count_uses_1): Adjust.
10238         (count_stores): Adjust.
10239         (count_with_sets): New.
10240         (VAL_NEEDS_RESOLUTION): New.
10241         (VAL_HOLDS_TRACK_EXPR): New.
10242         (VAL_EXPR_IS_COPIED): New.
10243         (VAL_EXPR_IS_CLOBBERED): New.
10244         (add_uses): Adjust.  Generate new micro-ops.
10245         (add_uses_1): Adjust.
10246         (add_stores): Generate new micro-ops.
10247         (add_with_sets): New.
10248         (find_src_status): Adjust.
10249         (find_src_set_src): Adjust.
10250         (compute_bb_dataflow): Use dataflow_set_clear_at_call.
10251         Handle new micro-ops.  Canonicalize value equivalances.
10252         (vt_find_locations): Compute total size of hash tables for
10253         dumping.  Perform merge for var-tracking-assignments.  Don't
10254         disregard single-block loops.
10255         (dump_attrs_list): Handle decl_or_value.
10256         (dump_variable): Take variable.  Deal with decl_or_value.
10257         (dump_variable_slot): New.
10258         (dump_vars): Use it.
10259         (dump_dataflow_sets): Adjust.
10260         (set_slot_part): New, extended to support one-part variables
10261         after splitting out of...
10262         (set_variable_part): ... this.
10263         (clobber_slot_part): New, split out of...
10264         (clobber_variable_part): ... this.
10265         (delete_slot_part): New, split out of...
10266         (delete_variable_part): .... this.
10267         (check_wrap_constant): New.
10268         (vt_expand_loc_callback): New.
10269         (vt_expand_loc): New.
10270         (emit_note_insn_var_location): Adjust.  Handle values.  Handle
10271         EMIT_NOTE_AFTER_CALL_INSN.
10272         (emit_notes_for_differences_1): Adjust.  Handle values.
10273         (emit_notes_for_differences_2): Likewise.
10274         (emit_notes_for_differences): Adjust.
10275         (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
10276         Adjust.  Handle new micro-ops.
10277         (vt_add_function_parameters): Adjust.  Create and bind values.
10278         (vt_initialize): Adjust.  Initialize scratch_regs and
10279         valvar_pool, flooded and perm..  Initialize and use cselib.  Log
10280         operations.  Move some code to count_with_sets and add_with_sets.
10281         (delete_debug_insns): New.
10282         (vt_debug_insns_local): New.
10283         (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
10284         cselib.
10285         (var_tracking_main): If var-tracking-assignments is enabled
10286         but var-tracking isn't, delete debug insns and leave.  Likewise
10287         if we exceed limits or fail the stack adjustments tests, and
10288         after all var-tracking processing.
10289         More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
10290         (dataflow_set): Add traversed_vars.
10291         (value_chain, const_value_chain): New typedefs.
10292         (value_chain_pool, value_chains): New variables.
10293         (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
10294         add_value_chains, add_cselib_value_chains, remove_value_chain,
10295         remove_value_chains, remove_cselib_value_chains): New functions.
10296         (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
10297         shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
10298         static inlines.
10299         (shared_hash_find_slot_unshare, shared_hash_find_slot,
10300         shared_hash_find_slot_noinsert, shared_hash_find): Update.
10301         (dst_can_be_shared): New variable.
10302         (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
10303         Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
10304         different from set->vars, look up slot again instead of using the
10305         passed in slot.
10306         (dataflow_set_init): Initialize traversed_vars.
10307         (variable_union): Use shared_hash_*.  Use initially NO_INSERT
10308         lookup if set->vars is shared.  Don't keep slot cleared before
10309         calling unshare_variable.  Unshare set->vars if needed.  Adjust
10310         unshare_variable callers.  Clear dst_can_be_shared if needed.
10311         Even ->refcount == 1 vars must be unshared if set->vars is shared
10312         and var needs to be modified.
10313         (dataflow_set_union): Set traversed_vars during canonicalization.
10314         (VALUE_CHANGED, DECL_CHANGED): Define.
10315         (set_dv_changed, dv_changed_p): New static inlines.
10316         (track_expr_p): Clear DECL_CHANGED.
10317         (dump_dataflow_sets): Set it.
10318         (variable_was_changed): Call set_dv_changed.
10319         (emit_note_insn_var_location): Likewise.
10320         (changed_variables_stack): New variable.
10321         (check_changed_vars_1, check_changed_vars_2): New functions.
10322         (emit_notes_for_changes): Do nothing if changed_variables is
10323         empty.  Traverse changed_variables with check_changed_vars_1,
10324         call check_changed_vars_2 on each changed_variables_stack entry.
10325         (emit_notes_in_bb): Add SET argument.  Just clear it at the
10326         beginning, use it instead of local &set, don't destroy it at the end.
10327         (vt_emit_notes): Call dataflow_set_clear early on all
10328         VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
10329         computed set, dataflow_set_clear also VTI(bb)->in when we are
10330         done with the basic block.  Initialize changed_variables_stack,
10331         free it afterwards.  If ENABLE_CHECKING verify that after noting
10332         differences to an empty set value_chains hash table is empty.
10333         (vt_initialize): Initialize value_chains and value_chain_pool.
10334         (vt_finalize): Delete value_chains htab, free value_chain_pool.
10335         (variable_tracking_main): Call dump_dataflow_sets before calling
10336         vt_emit_notes, not after it.
10337         * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
10338         (propagate_var_def_into_debug_stmts): Declare.
10339         * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
10340         (df_set_note): Reject debug insns.
10341         (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
10342         add notes to debug insns.
10343         (df_note_bb_compute): Adjust.  Likewise.
10344         (df_simulate_uses): Skip debug insns.
10345         (df_simulate_initialize_backwards): Likewise.
10346         * reg-stack.c (subst_stack_regs_in_debug_insn): New.
10347         (subst_stack_regs_pat): Reject debug insns.
10348         (convert_regs_1): Handle debug insns.
10349         * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
10350         (print-rtl.o): Depend on cselib.h.
10351         (cselib.o): Depend on TREE_PASS_H.
10352         (var-tracking.o): Depend on cselib.h and TARGET_H.
10353         * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
10354         (init_ready_list): Skip boundary debug insns.
10355         (add_branch_dependences): Skip debug insns.
10356         (free_block_dependencies): Check for blocks with only debug insns.
10357         (compute_priorities): Likewise.
10358         * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
10359         (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
10360         all callers.
10361         (gimple_build_debug_bind_stat): New.
10362         (empty_body_p): Skip debug stmts.
10363         (gimple_has_side_effects): Likewise.
10364         (gimple_rhs_has_side_effects): Likewise.
10365         * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
10366         (gimple_build_debug_bind_stat): Declare.
10367         (gimple_build_debug_bind): Define.
10368         (is_gimple_debug): New.
10369         (gimple_debug_bind_p): New.
10370         (gimple_debug_bind_get_var): New.
10371         (gimple_debug_bind_get_value): New.
10372         (gimple_debug_bind_get_value_ptr): New.
10373         (gimple_debug_bind_set_var): New.
10374         (gimple_debug_bind_set_value): New.
10375         (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
10376         (gimple_debug_bind_reset_value): New.
10377         (gimple_debug_bind_has_value_p): New.
10378         (gsi_next_nondebug): New.
10379         (gsi_prev_nondebug): New.
10380         (gsi_start_nondebug_bb): New.
10381         (gsi_last_nondebug_bb): New.
10382         * sched-vis.c (print_pattern): Handle VAR_LOCATION.
10383         (print_insn): Handle DEBUG_INSN.
10384         * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
10385         of first insn prevail.
10386         (first_stmt): Skip debug stmts.
10387         (first_non_label_stmt): Likewise.
10388         (last_stmt): Likewise.
10389         (has_zero_uses_1): New.
10390         (single_imm_use_1): New.
10391         (verify_gimple_debug): New.
10392         (verify_types_in_gimple_stmt): Handle debug stmts.
10393         (verify_stmt): Likewise.
10394         (debug_loop_num): Skip debug stmts.
10395         (remove_edge_and_dominated_blocks): Remove dominators last.
10396         * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
10397         (linearize_expr): Likewise.
10398         * config/i386/i386.c (ix86_delegitimize_address): Call
10399         default implementation.
10400         * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
10401         (group_barrier_needed): Skip debug insns.
10402         (emit_insn_group_barriers): Likewise.
10403         (emit_all_insn_group_barriers): Likewise.
10404         (ia64_variable_issue): Handle debug insns.
10405         (ia64_dfa_new_cycle): Likewise.
10406         (final_emit_insn_group_barriers): Skip debug insns.
10407         (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
10408         def cfa without frame.
10409         (process_set): Likewise.
10410         (process_for_unwind_directive): Pass frame on.
10411         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
10412         (rs6000_delegitimize_address): New.
10413         (rs6000_debug_adjust_cost): Handle debug insns.
10414         (is_microcoded_insn): Likewise.
10415         (is_cracked_insn): Likewise.
10416         (is_nonpipeline_insn): Likewise.
10417         (insn_must_be_first_in_group): Likewise.
10418         (insn_must_be_last_in_group): Likewise.
10419         (force_new_group): Likewise.
10420         * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
10421         contains only debug insns.
10422         (rtl_merge_blocks): Skip debug insns.
10423         (purge_dead_edges): Likewise.
10424         (rtl_block_ends_with_call_p): Skip debug insns.
10425         * dce.c (deletable_insn_p): Handle VAR_LOCATION.
10426         (mark_reg_dependencies): Skip debug insns.
10427         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
10428         * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
10429         * tree-ssa-threadedge.c
10430         (record_temporary_equivalences_from_stmts): Skip debug stmts.
10431         * regcprop.c (replace_oldest_value_addr): Skip debug insns.
10432         (replace_oldest_value_mem): Use ALL_REGS for debug insns.
10433         (copyprop_hardreg_forward_1): Handle debug insns.
10434         * reload1.c (reload): Skip debug insns.  Replace unassigned
10435         pseudos in debug insns with their equivalences.
10436         (eliminate_regs_in_insn): Skip debug insns.
10437         (emit_input_reload_insns): Skip debug insns at first, adjust
10438         them later.
10439         * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
10440         (get_indirect_ref_operands): Pass opf_no_vops on.
10441         (get_expr_operands): Likewise.  Skip debug stmts.
10442         (parse_ssa_operands): Scan debug insns with opf_no_vops.
10443
10444 2009-09-01  Richard Henderson  <rth@redhat.com>
10445
10446         * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
10447         stmt_ends_pp_p statements at least once.
10448         * tree-vrp.c (vrp_initialize): Likewise.
10449         (vrp_visit_stmt): Be prepared for non-interesting stmts.
10450
10451 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
10452
10453         PR bootstrap/41205
10454         Fix AIX bootstrap after PR debug/30161
10455         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
10456         that is a GNU extension.
10457         (tmpl_value_parm_die_table): Move the definition of this global
10458         outside #ifdef DWARF2_DEBUGGING_INFO region.
10459
10460 2009-09-01  Richard Guenther  <rguenther@suse.de>
10461
10462         * tree.c (tree_expr_size): New function.
10463         * tree.h (tree_expr_size): Declare.
10464         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
10465         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
10466         * langhooks.c (lhd_expr_size): Remove.
10467         * langhooks.h (struct lang_hooks): Remove expr_size.
10468         * explow.c (expr_size): Use tree_expr_size.
10469         (int_expr_size): Likewise.
10470         * langhooks-def.h (lhd_expr_size): Remove.
10471         (LANG_HOOKS_EXPR_SIZE): Likewise.
10472         (LANG_HOOKS_INITIALIZER): Adjust.
10473
10474 2009-09-01  Richard Guenther  <rguenther@suse.de>
10475
10476         * tree-flow.h (mark_addressable): Move declaration ...
10477         * tree.h (mark_addressable): ... here.
10478         * stmt.c (expand_asm_operands): Use mark_addressable, not
10479         lang_hooks.mark_addressable.
10480         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
10481         LANG_HOOKS_MARK_ADDRESSABLE.
10482         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
10483         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
10484
10485 2009-08-31  Chris Demetriou  <cgd@google.com>
10486
10487         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
10488         vectorize if not TARGET_SSE2.
10489
10490 2009-08-31  DJ Delorie  <dj@redhat.com>
10491
10492         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
10493         registers if no coprocessor is enabled.
10494
10495 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
10496
10497         PR debug/30161
10498         * cgraph.h (cgraph_get_node): Declare ...
10499         * cgraph.c (cgraph_get_node): ... new function.
10500         * dwarf2out.c (gen_generic_params_dies,
10501         generic_parameter_die, tree_add_const_value_attribute_for_decl,
10502         make_ith_pack_parameter_name,
10503         append_entry_to_tmpl_value_parm_die_table,
10504         gen_remaining_tmpl_value_param_die_attribute): New functions.
10505         (gen_subprogram_die): Generate debug info for template parameters
10506         if debug info level is higher than DINFO_LEVEL_TERSE.
10507         Use tree_add_const_value_attribute_for_decl instead of
10508         tree_add_const_value_attribute.
10509         (gen_const_die): Use tree_add_const_value_attribute_for_decl
10510         instead of tree_add_const_value_attribute.
10511         (gen_struct_or_union_type_die): Generate debug
10512         info for template parameters if debug info level is higher than
10513         DINFO_LEVEL_TERSE.
10514         (tree_add_const_value_attribute): Handle integral and pointer
10515         constants. Update comment.
10516         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
10517         (dwarf_attr_name): Support DW_AT_GNU_template_name.
10518         (reference_to_unused): Fix thinko. Remove redundant predicates from
10519         tests.
10520         (tree_add_const_value_attribute): Make this work for constant
10521         expressions only.
10522         tree_add_const_value_attribute_for_decl is to be used for variable
10523         DECLs now.
10524         (add_location_or_const_value_attribute): Use
10525         tree_add_const_value_attribute_for_decl now.
10526         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
10527         DW_TAG_template_value_param DIEs after function DIEs have been
10528         emitted.
10529         * langhooks.h (lang_hooks_for_types): Add
10530         get_argument_pack_elems.
10531         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
10532         (lang_hooks): Added get_innermost_generic_parms,
10533         get_innermost_generic_args.
10534         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
10535         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
10536         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
10537         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
10538
10539 2009-08-31  DJ Delorie  <dj@redhat.com>
10540
10541         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
10542         it once we start generating the prologue or epilogue.
10543         (mep_call_saves_register): If the frame is locked, re-use
10544         cached values.
10545         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
10546         (mep_expand_prologue): Call it.
10547         (mep_expand_epilogue): Likewise.
10548         (mep_start_function): Use the same logic as mep_expand_prologue.
10549         (mep_pass_by_reference): Make logic more readable.
10550         (mep_return_in_memory): Zero-sized objects are passed in memory.
10551         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
10552
10553 2009-08-31  Richard Guenther  <rguenther@suse.de>
10554
10555         * builtins.c (fold_builtin_memory_op): Use the alias oracle
10556         to query if the memory regions for memmove overlap.
10557         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
10558         asserts on pointers, instead deal with odd trees.
10559         (ptr_derefs_may_alias_p): Likewise.
10560         (refs_may_alias_p_1): Constructor bases also never alias.
10561
10562 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
10563
10564         * doc/install.texi (Final install): Adjust reference on where to
10565         order printed manuals.
10566
10567 2009-08-30  Olivier Hainque  <hainque@adacore.com>
10568
10569         * dwarf2out.c (switch_to_frame_table_section): Move
10570         definition prior to first use.
10571
10572 2009-08-30  Richard Guenther  <rguenther@suse.de>
10573
10574         PR tree-optimization/41186
10575         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
10576         (ao_ref_init_from_ptr_and_size): New function.
10577         (ref_maybe_used_by_call_p_1): Be more precise tracking
10578         used ranges for builtin functions.
10579         (ref_maybe_used_by_call_p): Adjust.
10580         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
10581         ranges for builtin functions.
10582         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
10583
10584 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
10585
10586         PR target/41081
10587         * fwprop.c (get_reg_use_in): Delete.
10588         (free_load_extend): New function.
10589         (forward_propagate_subreg): Use it.
10590
10591 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10592
10593         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
10594
10595 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
10596
10597         PR/41184
10598         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
10599         padding.
10600
10601 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
10602
10603         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
10604         fini or fini_array section.
10605
10606 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10607
10608         * graphite-dependences.c (graphite_legal_transform_bb): Call
10609         pbb_remove_duplicate_pdrs.
10610         * graphite-poly.c (can_collapse_pdr): Removed.
10611         (pdr_find_duplicate): Removed.
10612         (can_collapse_pdrs): New.
10613         (pbb_remove_duplicate_pdrs): New.
10614         (new_poly_dr): Do not look for duplicates.
10615         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
10616         (PBB_PDR_DUPLICATES_REMOVED): New.
10617         (pbb_remove_duplicate_pdrs): Declared.
10618
10619 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10620
10621         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
10622         the strides by multiplying by PDR_NB_REFS.
10623         * graphite-poly.c (can_collapse_pdr): New.
10624         (pdr_find_duplicate): New.
10625         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
10626         Initialize PDR_NB_REFS.
10627         * graphite-poly.h (struct poly_dr): Add field nb_refs.
10628         (PDR_NB_REFS): New.
10629         (new_poly_dr): Number of subscripts is a graphite_dim_t.
10630
10631 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10632
10633         PR middle-end/40965
10634         * graphite-poly.c (apply_poly_transforms): Remove legality test before
10635         any transform.
10636
10637 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10638
10639         * graphite-dependences.c (pddr_original_scattering): Return NULL
10640         for read-read dependence relations.
10641         * graphite-poly.h (enum poly_dr_type): Fix comment.
10642         (pdr_read_p): New.
10643         (pdr_write_p): New.
10644         (pdr_may_write_p): New.
10645
10646 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10647
10648         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
10649         (struct poly_dr): Same.
10650         (new_poly_dr): Same.
10651         * graphite-poly.c (new_poly_dr): Same.
10652         * graphite-dependences.c (dot_deps): Disable call to system.
10653
10654 2009-08-28  Cary Coutant  <ccoutant@google.com>
10655
10656         PR debug/41063
10657         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
10658         struct/union/enum types local to a function.
10659
10660 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
10661             Sebastian Pop  <sebastian.pop@amd.com>
10662
10663         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
10664         pbb_strip_mine_time_depth.  Changed the implementation so that
10665         transformation is expressed as a transformation on
10666         time (scatttering) dimensions.  Also, ensures that the 2d+1
10667         scheduling format is preserved.
10668         (pbb_strip_mine_profitable_p): Profitability is based on the
10669         iteration number of a given time (scattering) dimension,
10670         and not on a original loop depth dimension.
10671         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
10672         (pbb_do_strip_mine): Call psct_dynamic_dim.
10673         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
10674         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
10675         (pbb_nb_dynamic_scattering_transform): New.
10676         (psct_dynamic_dim): New.
10677
10678 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
10679
10680         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
10681         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
10682         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
10683         * graphite-interchange.c (build_linearized_memory_access): Same.
10684         (memory_stride_in_loop): Same.
10685
10686 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10687
10688         * graphite-dependences.c (pddr_original_scattering): New.
10689         (graphite_legal_transform_dr): Call pddr_original_scattering.
10690         (dot_deps_1): New.
10691         (dot_deps): New.
10692         * graphite-dependences.h (dot_deps): Declared.
10693         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
10694         (print_pdr): Print PDR_ID.
10695         * graphite-poly.h (struct poly_dr): Add field id.
10696         (PDR_ID): New.
10697         (pbb_index): New.
10698         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
10699
10700 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10701
10702         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
10703         not delete the original dependence relation.
10704
10705 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10706
10707         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
10708         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
10709         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
10710         (free_poly_ddr): New.
10711         (pddr_is_empty): New.
10712         (dependence_polyhedron_1): Now returns a poly_ddr_p.
10713         (dependence_polyhedron): Same.  Remove useless gcc_assert.
10714         Remove fprintfs.
10715         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
10716         (graphite_carried_dependence_level_k): Call pddr_is_empty.
10717         * graphite-dependences.h (enum poly_dependence_kind): New.
10718         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
10719         (PDRP_SOURCE): Renamed PDDR_SOURCE.
10720         (PDRP_SINK): Renamed PDDR_SINK.
10721         (PDRP_DDP): Renamed PDDR_DDP.
10722         (PDDR_KIND): New.
10723         (free_poly_ddr): Declared.
10724         * graphite-poly.c (new_scop): Use the new hash function names.
10725         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
10726         into original_pddrs.
10727         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
10728
10729 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10730
10731         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
10732         bounds with LT_EXPR to make niter analysis more precise on code
10733         generated by Graphite.
10734
10735 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
10736
10737         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
10738         (graphite_legal_transform_bb): Same.
10739         (poly_drs_may_alias_p): Same.
10740
10741 2009-08-28  Richard Guenther  <rguenther@suse.de>
10742
10743         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
10744
10745 2009-08-28  Jan Beulich  <jbeulich@novell.com>
10746
10747         * config/i386/netware.c: Include langhooks.h.
10748         (i386_nlm_encode_section_info): Simplify.
10749         (netware_override_options): Delete.
10750         * config/i386/netware.h (netware_override_options): Delete
10751         declaration.
10752         (OVERRIDE_OPTIONS): Delete definition.
10753         (SUBTARGET_OVERRIDE_OPTIONS): Define.
10754         (ASM_COMMENT_START): Define.
10755         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
10756
10757 2009-08-28  Jan Beulich  <jbeulich@novell.com>
10758
10759         * configure.ac: For in-tree ld, do a plain version check to
10760         determine whether comdat groups are supported.
10761         * configure: Regenerate.
10762
10763 2009-08-28  Olivier Hainque  <hainque@adacore.com>
10764
10765         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
10766         always defined.  Reflect definition or absence of such for
10767         COLLECT_EXPORT_LIST.  Readability helper.
10768         (scanfilter): New enum, to help control what symbols
10769         are to be considered or ignored by scan_prog_file.
10770         (enum pass): Rename as "scanpass", moved together with scanfilter
10771         prior to scan_prog_file's prototype.
10772         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
10773         Group prototype with the scanpass/scanfilter definitions, factorize
10774         head comments for the several implementations at the prototype.
10775         (main): Reorganize the first pass link control to let AIX
10776         drag only the needed frame tables in executables.  Prevent
10777         frame tables collection during the scan aimed at static ctors.
10778         Pre-link and scan for frame tables later to compensate.
10779         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
10780         A C statement to issue assembly directives that create a reference
10781         to the given DWARF table identifier label from the current function
10782         section.
10783         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
10784         to differentiate first time section entry.  Only emit a .data
10785         tables start identifier label the first time around.
10786         (switch_to_frame_table_section): New function.  Helper for
10787         output_call_frame_info to switch possibly BACK into the eh_frame
10788         or the debug_frame section depending on FOR_EH.
10789         (output_call_frame_info): Use helper to first enter the proper
10790         frame section.
10791         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
10792         emit a link to the frame table start label from each function
10793         section.
10794         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
10795         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
10796         * config/rs6000/rs6000-protos.h: Declare it.
10797         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
10798
10799 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
10800
10801         * config/sh/sh.c (split_branches): Check the result of
10802         next_active_insn.
10803
10804 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
10805
10806         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
10807         using -pthread -fopenmp
10808
10809 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
10810
10811         * doc/service.texi (service directory): Update URL.
10812
10813 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
10814
10815         PR rtl-optimization/40861
10816         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
10817         extract word from a multi-word subreg for negative byte positions.
10818
10819 2009-08-27  Tristan Gingold  <gingold@adacore.com>
10820             Douglas B Rupp  <rupp@gnat.com>
10821
10822         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
10823         (SECTION_VMS_OVERLAY): Define.
10824         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
10825         attribute.
10826         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
10827         for common_object.
10828         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
10829         common_object declarations.
10830         (ia64_section_type_flags): Set section flag for common_object.
10831         * config/ia64/ia64-protos.h
10832         (ia64_vms_output_aligned_decl_common): Declare.
10833         (ia64_vms_elf_asm_named_section): Declare.
10834
10835 2009-08-27  Michael Matz  <matz@suse.de>
10836
10837         * expr.c (expand_expr_real_2): New function taking exploded
10838         unary or binary expression, split out from ...
10839         (expand_expr_real_1): ... here.  Move over all unary/binary
10840         switch parts to above function, in particular these codes:
10841         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
10842         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
10843         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
10844         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
10845         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
10846         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
10847         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
10848         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
10849         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
10850         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
10851         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
10852         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
10853         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
10854         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
10855         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
10856         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
10857         VEC_PACK_FIX_TRUNC_EXPR.
10858         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
10859         full expression.
10860
10861 2009-08-27  Richard Guenther  <rguenther@suse.de>
10862
10863         * gengtype.c (main): Handle uint64_t.
10864         * ipa-utils.c (get_base_var): Indent properly.
10865         * tree-ssa-live.c (debug_scope_block): New function.
10866         * tree-flow.h (debug_scope_block): Declare.
10867         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
10868         * basic-block.h (enum profile_status): Rename to
10869         enum profile_status_d.
10870         (x_profile_status): Adjust type.
10871
10872 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
10873
10874         PR debug/41170
10875         * dwarf2out.c (get_context_die): Declare this static function.
10876         (gen_type_die_with_usage): Make sure a DIE is a generated for
10877         the context of a typedef.
10878
10879 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
10880
10881         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
10882         switch.
10883
10884 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
10885
10886         * config/mips/mips-protos.h (mips_output_sync): Declare.
10887         (mips_sync_loop_insns): Likewise.
10888         (mips_output_sync_loop): Replace first two parameters with an rtx.
10889         * config/mips/mips.c (mips_multi_member): New structure.
10890         (mips_multi_members): New variable.
10891         (mips_multi_start): New function.
10892         (mips_multi_add): Likewise.
10893         (mips_multi_add_insn): Likewise.
10894         (mips_multi_add_label): Likewise.
10895         (mips_multi_last_index): Likewise.
10896         (mips_multi_copy_insn): Likewise.
10897         (mips_multi_set_operand): Likewise.
10898         (mips_multi_write): Likewise.
10899         (mips_print_operand_punctuation): Remove '%|' and '%-'.
10900         (mips_init_print_operand_punct): Update accordingly.
10901         (mips_start_ll_sc_sync_block): New function.
10902         (mips_end_ll_sc_sync_block): Likewise.
10903         (mips_output_sync): Likewise.
10904         (mips_sync_insn1_template): Likewise.
10905         (mips_sync_insn2_template): Likewise.
10906         (mips_get_sync_operand): Likewise.
10907         (mips_process_sync_loop): Likewise.
10908         (mips_output_sync_loop): Use mips_process_sync_loop.
10909         (mips_sync_loop_insns): New function.
10910         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
10911         (MIPS_COMPARE_AND_SWAP_12): Likewise.
10912         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
10913         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
10914         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
10915         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
10916         (MIPS_SYNC_OLD_OP_12): Likewise.
10917         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
10918         (MIPS_SYNC_NEW_OP_12): Likewise.
10919         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
10920         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
10921         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
10922         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
10923         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
10924         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
10925         * config/mips/mips.md (sync_mem): New attribute.
10926         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
10927         (sync_exclusive_mask, sync_required_oldval): Likewise.
10928         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
10929         (sync_release_barrier): Likewise.
10930         (length): Handle sync loops.
10931         (sync): Use mips_output_sync.
10932         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
10933         (sync_compare_and_swap<mode>): Set the new sync_* attributes
10934         and use mips_output_sync_loop.
10935         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
10936         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
10937         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
10938         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
10939         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
10940         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
10941         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
10942         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
10943         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
10944
10945 2009-08-26  Richard Guenther  <rguenther@suse.de>
10946
10947         PR middle-end/41163
10948         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
10949         the types to not match.
10950         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
10951         verification.
10952         * tree-ssa.c (useless_type_conversion_p): Conversions to
10953         pointers to unprototyped functions are useless.
10954
10955 2009-08-26  Richard Guenther  <rguenther@suse.de>
10956
10957         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
10958         whole-program condition, prepare to be called for non-globals.
10959         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
10960         params build a representative with known type and track its fields.
10961
10962 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
10963
10964         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
10965         clearing by a taken branch.
10966         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
10967         effectively after bbro pass.
10968         (sync_nand<mode>): Ditto.
10969         (sync_old_<fetchop_name><mode>): Ditto.
10970         (sync_old_nand<mode>): Ditto.
10971         (sync_new_<fetchop_name><mode>): Dito.
10972         (sync_new_nand<mode>): Ditto.
10973         (sync_compare_and_swap<mode>_1): Ditto.
10974         (*sync_compare_and_swap<mode>): Ditto.
10975         (sync_lock_test_and_set<mode>_1): Ditto.
10976         ("sync_lock_test_and_set<mode>): Ditto.
10977
10978 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
10979
10980         * hwint.h (HOST_LONG_FORMAT): New macro
10981         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
10982         Use HOST_PTR_PRINTF.
10983         * system.h (HOST_PTR_PRINTF): Resurrect old macro
10984         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
10985         (HOST_PTR_PRINTF): Document.
10986
10987 2009-08-25 Jan Hubicka  <jh@suse.cz>
10988
10989         * config/i386/bmmintrin.h: Replace by #error.
10990
10991         Revert:
10992         Michael Meissner  <michael.meissner@amd.com>
10993         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10994         Tony Linthicum  <tony.linthicum@amd.com>
10995
10996         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
10997         (TARGET_ROUND): New macro for the round/ptest instructions which
10998         are shared between SSE4.1 and SSE5.
10999         (OPTION_MASK_ISA_ROUND): Ditto.
11000         (OPTION_ISA_ROUND): Ditto.
11001         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
11002         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
11003
11004         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
11005         (-mfused-madd): New switch to give users control over whether the
11006         compiler optimizes to use the multiply/add SSE5 instructions.
11007
11008         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
11009         (ix86_handle_option): Turn off 3dnow if -msse5.
11010         (override_options): Add SSE5 support.
11011         (print_operand): %Y prints comparison codes for SSE5 com/pcom
11012         instructions.
11013         (ix86_expand_sse_movcc): Add SSE5 support.
11014         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
11015         vector type to the next largest size.
11016         (ix86_expand_sse5_pack): New function to use pperm to pack a
11017         vector type to the next smallest size.
11018         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
11019         (IX86_BUILTIN_FMADDSD): Ditto.
11020         (IX86_BUILTIN_FMADDPS): Ditto.
11021         (IX86_BUILTIN_FMADDPD): Ditto.
11022         (IX86_BUILTIN_FMSUBSS): Ditto.
11023         (IX86_BUILTIN_FMSUBSD): Ditto.
11024         (IX86_BUILTIN_FMSUBPS): Ditto.
11025         (IX86_BUILTIN_FMSUBPD): Ditto.
11026         (IX86_BUILTIN_FNMADDSS): Ditto.
11027         (IX86_BUILTIN_FNMADDSD): Ditto.
11028         (IX86_BUILTIN_FNMADDPS): Ditto.
11029         (IX86_BUILTIN_FNMADDPD): Ditto.
11030         (IX86_BUILTIN_FNMSUBSS): Ditto.
11031         (IX86_BUILTIN_FNMSUBSD): Ditto.
11032         (IX86_BUILTIN_FNMSUBPS): Ditto.
11033         (IX86_BUILTIN_FNMSUBPD): Ditto.
11034         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
11035         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
11036         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
11037         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
11038         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
11039         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
11040         (IX86_BUILTIN_PPERM): Ditto.
11041         (IX86_BUILTIN_PERMPS): Ditto.
11042         (IX86_BUILTIN_PERMPD): Ditto.
11043         (IX86_BUILTIN_PMACSSWW): Ditto.
11044         (IX86_BUILTIN_PMACSWW): Ditto.
11045         (IX86_BUILTIN_PMACSSWD): Ditto.
11046         (IX86_BUILTIN_PMACSWD): Ditto.
11047         (IX86_BUILTIN_PMACSSDD): Ditto.
11048         (IX86_BUILTIN_PMACSDD): Ditto.
11049         (IX86_BUILTIN_PMACSSDQL): Ditto.
11050         (IX86_BUILTIN_PMACSSDQH): Ditto.
11051         (IX86_BUILTIN_PMACSDQL): Ditto.
11052         (IX86_BUILTIN_PMACSDQH): Ditto.
11053         (IX86_BUILTIN_PMADCSSWD): Ditto.
11054         (IX86_BUILTIN_PMADCSWD): Ditto.
11055         (IX86_BUILTIN_PHADDBW): Ditto.
11056         (IX86_BUILTIN_PHADDBD): Ditto.
11057         (IX86_BUILTIN_PHADDBQ): Ditto.
11058         (IX86_BUILTIN_PHADDWD): Ditto.
11059         (IX86_BUILTIN_PHADDWQ): Ditto.
11060         (IX86_BUILTIN_PHADDDQ): Ditto.
11061         (IX86_BUILTIN_PHADDUBW): Ditto.
11062         (IX86_BUILTIN_PHADDUBD): Ditto.
11063         (IX86_BUILTIN_PHADDUBQ): Ditto.
11064         (IX86_BUILTIN_PHADDUWD): Ditto.
11065         (IX86_BUILTIN_PHADDUWQ): Ditto.
11066         (IX86_BUILTIN_PHADDUDQ): Ditto.
11067         (IX86_BUILTIN_PHSUBBW): Ditto.
11068         (IX86_BUILTIN_PHSUBWD): Ditto.
11069         (IX86_BUILTIN_PHSUBDQ): Ditto.
11070         (IX86_BUILTIN_PROTB): Ditto.
11071         (IX86_BUILTIN_PROTW): Ditto.
11072         (IX86_BUILTIN_PROTD): Ditto.
11073         (IX86_BUILTIN_PROTQ): Ditto.
11074         (IX86_BUILTIN_PROTB_IMM): Ditto.
11075         (IX86_BUILTIN_PROTW_IMM): Ditto.
11076         (IX86_BUILTIN_PROTD_IMM): Ditto.
11077         (IX86_BUILTIN_PROTQ_IMM): Ditto.
11078         (IX86_BUILTIN_PSHLB): Ditto.
11079         (IX86_BUILTIN_PSHLW): Ditto.
11080         (IX86_BUILTIN_PSHLD): Ditto.
11081         (IX86_BUILTIN_PSHLQ): Ditto.
11082         (IX86_BUILTIN_PSHAB): Ditto.
11083         (IX86_BUILTIN_PSHAW): Ditto.
11084         (IX86_BUILTIN_PSHAD): Ditto.
11085         (IX86_BUILTIN_PSHAQ): Ditto.
11086         (IX86_BUILTIN_FRCZSS): Ditto.
11087         (IX86_BUILTIN_FRCZSD): Ditto.
11088         (IX86_BUILTIN_FRCZPS): Ditto.
11089         (IX86_BUILTIN_FRCZPD): Ditto.
11090         (IX86_BUILTIN_CVTPH2PS): Ditto.
11091         (IX86_BUILTIN_CVTPS2PH): Ditto.
11092         (IX86_BUILTIN_COMEQSS): Ditto.
11093         (IX86_BUILTIN_COMNESS): Ditto.
11094         (IX86_BUILTIN_COMLTSS): Ditto.
11095         (IX86_BUILTIN_COMLESS): Ditto.
11096         (IX86_BUILTIN_COMGTSS): Ditto.
11097         (IX86_BUILTIN_COMGESS): Ditto.
11098         (IX86_BUILTIN_COMUEQSS): Ditto.
11099         (IX86_BUILTIN_COMUNESS): Ditto.
11100         (IX86_BUILTIN_COMULTSS): Ditto.
11101         (IX86_BUILTIN_COMULESS): Ditto.
11102         (IX86_BUILTIN_COMUGTSS): Ditto.
11103         (IX86_BUILTIN_COMUGESS): Ditto.
11104         (IX86_BUILTIN_COMORDSS): Ditto.
11105         (IX86_BUILTIN_COMUNORDSS): Ditto.
11106         (IX86_BUILTIN_COMFALSESS): Ditto.
11107         (IX86_BUILTIN_COMTRUESS): Ditto.
11108         (IX86_BUILTIN_COMEQSD): Ditto.
11109         (IX86_BUILTIN_COMNESD): Ditto.
11110         (IX86_BUILTIN_COMLTSD): Ditto.
11111         (IX86_BUILTIN_COMLESD): Ditto.
11112         (IX86_BUILTIN_COMGTSD): Ditto.
11113         (IX86_BUILTIN_COMGESD): Ditto.
11114         (IX86_BUILTIN_COMUEQSD): Ditto.
11115         (IX86_BUILTIN_COMUNESD): Ditto.
11116         (IX86_BUILTIN_COMULTSD): Ditto.
11117         (IX86_BUILTIN_COMULESD): Ditto.
11118         (IX86_BUILTIN_COMUGTSD): Ditto.
11119         (IX86_BUILTIN_COMUGESD): Ditto.
11120         (IX86_BUILTIN_COMORDSD): Ditto.
11121         (IX86_BUILTIN_COMUNORDSD): Ditto.
11122         (IX86_BUILTIN_COMFALSESD): Ditto.
11123         (IX86_BUILTIN_COMTRUESD): Ditto.
11124         (IX86_BUILTIN_COMEQPS): Ditto.
11125         (IX86_BUILTIN_COMNEPS): Ditto.
11126         (IX86_BUILTIN_COMLTPS): Ditto.
11127         (IX86_BUILTIN_COMLEPS): Ditto.
11128         (IX86_BUILTIN_COMGTPS): Ditto.
11129         (IX86_BUILTIN_COMGEPS): Ditto.
11130         (IX86_BUILTIN_COMUEQPS): Ditto.
11131         (IX86_BUILTIN_COMUNEPS): Ditto.
11132         (IX86_BUILTIN_COMULTPS): Ditto.
11133         (IX86_BUILTIN_COMULEPS): Ditto.
11134         (IX86_BUILTIN_COMUGTPS): Ditto.
11135         (IX86_BUILTIN_COMUGEPS): Ditto.
11136         (IX86_BUILTIN_COMORDPS): Ditto.
11137         (IX86_BUILTIN_COMUNORDPS): Ditto.
11138         (IX86_BUILTIN_COMFALSEPS): Ditto.
11139         (IX86_BUILTIN_COMTRUEPS): Ditto.
11140         (IX86_BUILTIN_COMEQPD): Ditto.
11141         (IX86_BUILTIN_COMNEPD): Ditto.
11142         (IX86_BUILTIN_COMLTPD): Ditto.
11143         (IX86_BUILTIN_COMLEPD): Ditto.
11144         (IX86_BUILTIN_COMGTPD): Ditto.
11145         (IX86_BUILTIN_COMGEPD): Ditto.
11146         (IX86_BUILTIN_COMUEQPD): Ditto.
11147         (IX86_BUILTIN_COMUNEPD): Ditto.
11148         (IX86_BUILTIN_COMULTPD): Ditto.
11149         (IX86_BUILTIN_COMULEPD): Ditto.
11150         (IX86_BUILTIN_COMUGTPD): Ditto.
11151         (IX86_BUILTIN_COMUGEPD): Ditto.
11152         (IX86_BUILTIN_COMORDPD): Ditto.
11153         (IX86_BUILTIN_COMUNORDPD): Ditto.
11154         (IX86_BUILTIN_COMFALSEPD): Ditto.
11155         (IX86_BUILTIN_COMTRUEPD): Ditto.
11156         (IX86_BUILTIN_PCOMEQUB): Ditto.
11157         (IX86_BUILTIN_PCOMNEUB): Ditto.
11158         (IX86_BUILTIN_PCOMLTUB): Ditto.
11159         (IX86_BUILTIN_PCOMLEUB): Ditto.
11160         (IX86_BUILTIN_PCOMGTUB): Ditto.
11161         (IX86_BUILTIN_PCOMGEUB): Ditto.
11162         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
11163         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
11164         (IX86_BUILTIN_PCOMEQUW): Ditto.
11165         (IX86_BUILTIN_PCOMNEUW): Ditto.
11166         (IX86_BUILTIN_PCOMLTUW): Ditto.
11167         (IX86_BUILTIN_PCOMLEUW): Ditto.
11168         (IX86_BUILTIN_PCOMGTUW): Ditto.
11169         (IX86_BUILTIN_PCOMGEUW): Ditto.
11170         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
11171         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
11172         (IX86_BUILTIN_PCOMEQUD): Ditto.
11173         (IX86_BUILTIN_PCOMNEUD): Ditto.
11174         (IX86_BUILTIN_PCOMLTUD): Ditto.
11175         (IX86_BUILTIN_PCOMLEUD): Ditto.
11176         (IX86_BUILTIN_PCOMGTUD): Ditto.
11177         (IX86_BUILTIN_PCOMGEUD): Ditto.
11178         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
11179         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
11180         (IX86_BUILTIN_PCOMEQUQ): Ditto.
11181         (IX86_BUILTIN_PCOMNEUQ): Ditto.
11182         (IX86_BUILTIN_PCOMLTUQ): Ditto.
11183         (IX86_BUILTIN_PCOMLEUQ): Ditto.
11184         (IX86_BUILTIN_PCOMGTUQ): Ditto.
11185         (IX86_BUILTIN_PCOMGEUQ): Ditto.
11186         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
11187         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
11188         (IX86_BUILTIN_PCOMEQB): Ditto.
11189         (IX86_BUILTIN_PCOMNEB): Ditto.
11190         (IX86_BUILTIN_PCOMLTB): Ditto.
11191         (IX86_BUILTIN_PCOMLEB): Ditto.
11192         (IX86_BUILTIN_PCOMGTB): Ditto.
11193         (IX86_BUILTIN_PCOMGEB): Ditto.
11194         (IX86_BUILTIN_PCOMFALSEB): Ditto.
11195         (IX86_BUILTIN_PCOMTRUEB): Ditto.
11196         (IX86_BUILTIN_PCOMEQW): Ditto.
11197         (IX86_BUILTIN_PCOMNEW): Ditto.
11198         (IX86_BUILTIN_PCOMLTW): Ditto.
11199         (IX86_BUILTIN_PCOMLEW): Ditto.
11200         (IX86_BUILTIN_PCOMGTW): Ditto.
11201         (IX86_BUILTIN_PCOMGEW): Ditto.
11202         (IX86_BUILTIN_PCOMFALSEW): Ditto.
11203         (IX86_BUILTIN_PCOMTRUEW): Ditto.
11204         (IX86_BUILTIN_PCOMEQD): Ditto.
11205         (IX86_BUILTIN_PCOMNED): Ditto.
11206         (IX86_BUILTIN_PCOMLTD): Ditto.
11207         (IX86_BUILTIN_PCOMLED): Ditto.
11208         (IX86_BUILTIN_PCOMGTD): Ditto.
11209         (IX86_BUILTIN_PCOMGED): Ditto.
11210         (IX86_BUILTIN_PCOMFALSED): Ditto.
11211         (IX86_BUILTIN_PCOMTRUED): Ditto.
11212         (IX86_BUILTIN_PCOMEQQ): Ditto.
11213         (IX86_BUILTIN_PCOMNEQ): Ditto.
11214         (IX86_BUILTIN_PCOMLTQ): Ditto.
11215         (IX86_BUILTIN_PCOMLEQ): Ditto.
11216         (IX86_BUILTIN_PCOMGTQ): Ditto.
11217         (IX86_BUILTIN_PCOMGEQ): Ditto.
11218         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
11219         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
11220         (enum multi_arg_type): New enum for describing the various SSE5
11221         intrinsic argument types.
11222         (bdesc_multi_arg): New table for SSE5 intrinsics.
11223         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
11224         (ix86_expand_multi_arg_builtin): New function for creating SSE5
11225         intrinsics.
11226         (ix86_expand_builtin): Add SSE5 intrinsic support.
11227         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
11228         operand instructions.
11229         (ix86_expand_sse5_multiple_memory): New function to split the
11230         second memory reference from SSE5 instructions.
11231         (type_has_variadic_args_p): Delete in favor of stdarg_p.
11232         (ix86_return_pops_args): Use stdarg_p to determine if the function
11233         has variable arguments.
11234         (ix86_setup_incoming_varargs): Ditto.
11235         (x86_this_parameter): Ditto.
11236
11237         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
11238         declaration.
11239         (ix86_expand_sse5_pack): Ditto.
11240         (ix86_sse5_valid_op_p): Ditto.
11241         (ix86_expand_sse5_multiple_memory): Ditto.
11242
11243         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
11244         constant for SSE5 support.
11245         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
11246         (UNSPEC_SSE5_TRUEFALSE): Ditto.
11247         (UNSPEC_SSE5_PERMUTE): Ditto.
11248         (UNSPEC_SSE5_ASHIFT): Ditto.
11249         (UNSPEC_SSE5_LSHIFT): Ditto.
11250         (UNSPEC_FRCZ): Ditto.
11251         (UNSPEC_CVTPH2PS): Ditto.
11252         (UNSPEC_CVTPS2PH): Ditto.
11253         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
11254         (PCOM_TRUE): Ditto.
11255         (COM_FALSE_S): Ditto.
11256         (COM_FALSE_P): Ditto.
11257         (COM_TRUE_S): Ditto.
11258         (COM_TRUE_P): Ditto.
11259         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
11260         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
11261         types.
11262         (memory attribute): Ditto.
11263         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
11264         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
11265         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
11266         (floor<mode>2): Ditto.
11267         (ceil<mode>2): Ditto.
11268         (btrunc<mode>2): Ditto.
11269         (nearbyintdf2): Ditto.
11270         (nearbyintsf2): Ditto.
11271         (sse_setccsf): Disable if SSE5.
11272         (sse_setccdf): Ditto.
11273         (sse5_setcc<mode>): New support for SSE5 conditional move.
11274         (sse5_pcmov_<mode>): Ditto.
11275
11276         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
11277         (SSEMODEF4): Ditto.
11278         (SSEMODEF2P): Ditto.
11279         (ssemodesuffixf4): New mode attribute for SSE5.
11280         (ssemodesuffixf2s): Ditto.
11281         (ssemodesuffixf2c): Ditto.
11282         (sserotatemax): Ditto.
11283         (ssescalarmode): Ditto.
11284         (sse_maskcmpv4sf3): Disable if SSE5.
11285         (sse_maskcmpv2df3): Ditto.
11286         (sse_vmmaskcmpv4sf3): Ditto.
11287         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
11288         (sse5_vmfmadd<mode>4): Ditto.
11289         (sse5_fmsub<mode>4): Ditto.
11290         (sse5_vmfmsub<mode>4): Ditto.
11291         (sse5_fnmadd<mode>4): Ditto.
11292         (sse5_vmfnmadd<mode>4): Ditto.
11293         (sse5_fnmsub<mode>4): Ditto.
11294         (sse5_vmfnmsub<mode>4): Ditto.
11295         (sse5i_fmadd<mode>4): Ditto.
11296         (sse5i_fmsub<mode>4): Ditto.
11297         (sse5i_fnmadd<mode>4): Ditto.
11298         (sse5i_fnmsub<mode>4): Ditto.
11299         (sse5i_vmfmadd<mode>4): Ditto.
11300         (sse5i_vmfmsub<mode>4): Ditto.
11301         (sse5i_vmfnmadd<mode>4): Ditto.
11302         (sse5i_vmfnmsub<mode>4): Ditto.
11303         (mulv16qi3): Add SSE5 support.
11304         (mulv4si3): Ditto.
11305         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
11306         (sse2_mulv4si3): Disable if SSE5.
11307         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
11308         (sse4_1_roundps): Ditto.
11309         (sse4_1_roundsd): Ditto.
11310         (sse4_1_roundss): Ditto.
11311         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
11312         be generated.
11313         (sse_maskcmpsf3): Ditto.
11314         (sse_vmmaskcmpv4sf3): Ditto.
11315         (sse2_maskcmpv2df3): Ditto.
11316         (sse2_maskcmpdf3): Ditto.
11317         (sse2_vmmaskcmpv2df3): Ditto.
11318         (sse2_eq<mode>3): Ditto.
11319         (sse2_gt<mode>3): Ditto.
11320         (sse5_pcmov_<mode>): Add SSE5 support.
11321         (vec_unpacku_hi_v16qi): Ditto.
11322         (vec_unpacks_hi_v16qi): Ditto.
11323         (vec_unpacku_lo_v16qi): Ditto.
11324         (vec_unpacks_lo_v16qi): Ditto.
11325         (vec_unpacku_hi_v8hi): Ditto.
11326         (vec_unpacks_hi_v8hi): Ditto.
11327         (vec_unpacku_lo_v8hi): Ditto.
11328         (vec_unpacks_lo_v8hi): Ditto.
11329         (vec_unpacku_hi_v4si): Ditto.
11330         (vec_unpacks_hi_v4si): Ditto.
11331         (vec_unpacku_lo_v4si): Ditto.
11332         (vec_unpacks_lo_v4si): Ditto.
11333         (sse5_pmacsww): New SSE5 intrinsic insn.
11334         (sse5_pmacssww): Ditto.
11335         (sse5_pmacsdd): Ditto.
11336         (sse5_pmacssdd): Ditto.
11337         (sse5_pmacssdql): Ditto.
11338         (sse5_pmacssdqh): Ditto.
11339         (sse5_pmacsdqh): Ditto.
11340         (sse5_pmacsswd): Ditto.
11341         (sse5_pmacswd): Ditto.
11342         (sse5_pmadcsswd): Ditto.
11343         (sse5_pmadcswd): Ditto.
11344         (sse5_pcmov_<move>): Conditional move support on SSE5.
11345         (sse5_phaddbw): New SSE5 intrinsic insn.
11346         (sse5_phaddbd): Ditto.
11347         (sse5_phaddbq): Ditto.
11348         (sse5_phaddwd): Ditto.
11349         (sse5_phaddwq): Ditto.
11350         (sse5_phadddq): Ditto.
11351         (sse5_phaddubw): Ditto.
11352         (sse5_phaddubd): Ditto.
11353         (sse5_phaddubq): Ditto.
11354         (sse5_phadduwd): Ditto.
11355         (sse5_phadduwq): Ditto.
11356         (sse5_phaddudq): Ditto.
11357         (sse5_phsubbw): Ditto.
11358         (sse5_phsubwd): Ditto.
11359         (sse5_phsubdq): Ditto.
11360         (sse5_pperm): Ditto.
11361         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
11362         (sse5_pperm_zero_v16qi_v8hi): Ditto.
11363         (sse5_pperm_sign_v8hi_v4si): Ditto.
11364         (sse5_pperm_zero_v8hi_v4si): Ditto.
11365         (sse5_pperm_sign_v4si_v2di): Ditto.
11366         (sse5_pperm_sign_v4si_v2di): Ditto.
11367         (sse5_pperm_pack_v2di_v4si): Ditto.
11368         (sse5_pperm_pack_v4si_v8hi): Ditto.
11369         (sse5_pperm_pack_v8hi_v16qi): Ditto.
11370         (sse5_perm<mode>): New SSE5 intrinsic insn.
11371         (rotl<mode>3): Ditto.
11372         (sse5_rotl<mode>3): Ditto.
11373         (sse5_ashl<mode>3): Ditto.
11374         (sse5_lshl<mode>3): Ditto.
11375         (sse5_frcz<mode>2): Ditto.
11376         (sse5s_frcz<mode>2): Ditto.
11377         (sse5_cvtph2ps): Ditto.
11378         (sse5_cvtps2ph): Ditto.
11379         (sse5_vmmaskcmp<mode>3): Ditto.
11380         (sse5_com_tf<mode>3): Ditto.
11381         (sse5_maskcmp<mode>3): Ditto.
11382         (sse5_maskcmp_uns<mode>3): Ditto.
11383         (sse5_maskcmp_uns2<mode>3): Ditto.
11384         (sse5_pcom_tf<mode>3): Ditto.
11385
11386         * config/i386/predicates.md (sse5_comparison_float_operator):
11387         New predicate to match the comparison operators supported by
11388         the SSE5 com instruction.
11389         (ix86_comparison_int_operator): New predicate to match just the
11390         signed int comparisons.
11391         (ix86_comparison_uns_operator): New predicate to match just the
11392         unsigned int comparisons.
11393
11394         * doc/invoke.texi (-msse5): Add documentation.
11395         (-mfused-madd): Ditto.
11396
11397         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
11398
11399         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
11400         mmintrin-common.h.
11401         (x86_64-*-*): Ditto.
11402
11403         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
11404
11405         * config/i386/bmmintrin.h: New file, provide common x86 compiler
11406         intrinisics for SSE5.
11407
11408         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
11409         mmintrin-common.h.
11410
11411         * config/i386/mmintrin-common.h: New file, to contain common
11412         instructions between SSE4.1 and SSE5.
11413
11414         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
11415         FOREACH_FUNCTION_ARGS to iterate over the argument list.
11416         (gen_regparm_prefix): Ditto.
11417
11418         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
11419         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
11420         prototype_p to determine if a function is prototyped.
11421
11422 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
11423
11424         * c-common.c (c_common_reswords) add the alignof keyword,
11425         with same RID as __alignof and __alignof__
11426
11427 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
11428
11429         * hooks.h (hook_bool_const_int_const_int_true): Declare.
11430         * hooks.c (hook_bool_const_int_const_int_true): New function.
11431         * target.h (struct gcc_target): Add can_eliminate field.
11432         * target-def.h (TARGET_CAN_ELIMINATE): Define.
11433         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
11434         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
11435         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
11436         (elim_table): Revise comment.
11437         * system.h (CAN_ELIMINATE): Poison.
11438         * defaults.h (CAN_ELIMINATE): Remove.
11439         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
11440
11441         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
11442         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
11443         Define macro.
11444         (alpha_vms_can_eliminate): Declare as static, change return type to
11445         bool.
11446         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
11447
11448         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
11449         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
11450         (arm_can_eliminate): New function.
11451
11452         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
11453         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
11454         (avr_can_eliminate): Declare as static.
11455         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
11456
11457         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
11458         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
11459         (bfin_can_eliminate): New function.
11460
11461         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
11462         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
11463         (crx_can_eliminate): New function.
11464
11465         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
11466         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
11467         (fr30_can_eliminate): New function.
11468
11469         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
11470         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
11471         (frv_can_eliminate): New function.
11472
11473         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
11474         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
11475         (h8300_can_eliminate): New function.
11476
11477         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
11478         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
11479         (i386_can_eliminate): Declare as static, change return type to bool.
11480         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
11481
11482         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
11483         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
11484         (ia64_can_eliminate): New function.
11485
11486         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
11487         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
11488         (iq2000_can_eliminate): New function.
11489
11490         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
11491         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
11492         (m32r_can_eliminate): New function.
11493
11494         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
11495         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
11496         (m68hc11_can_eliminate): New function.
11497
11498         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
11499         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
11500         (m68k_can_eliminate): New function.
11501
11502         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
11503         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
11504         (mep_can_eliminate): New function.
11505
11506         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
11507         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
11508         (mips_can_eliminate): New function.
11509
11510         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
11511         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
11512         (rs6000_can_eliminate): New function.
11513
11514         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
11515         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
11516         (s390_can_eliminate): Declare as static.
11517         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
11518
11519         * config/score/score.h (CAN_ELIMINATE): Remove macro.
11520         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
11521         (score_can_eliminate): New function.
11522
11523         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
11524         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
11525         (sparc_can_eliminate): Declare as static.
11526         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
11527
11528         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
11529         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
11530         (xstormy16_can_eliminate): New function.
11531
11532         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
11533         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
11534         (v850_can_eliminate): New function.
11535
11536 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
11537
11538         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
11539         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
11540         (*movdfcc_ext[1234]): Disable for IEEE mode.
11541
11542 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
11543
11544         * gimplify.c (prepare_gimple_addressable): New static function.
11545         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
11546         it addressable.
11547         (gimplify_addr_expr): Invoke it similarly on the operand instead of
11548         manually fiddling with it.
11549
11550 2009-08-25  Michael Matz  <matz@suse.de>
11551
11552         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
11553         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
11554         full expression.
11555         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
11556         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
11557         (do_jump): Split out code for simple binary comparisons into ...
11558         (do_jump_1): ... this, taking the individual operands and code.
11559         Change callers to helper function above accordingly.
11560         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
11561         comparisons.
11562
11563 2009-08-25  Michael Matz  <matz@suse.de>
11564
11565         * expr.h (struct separate_ops, sepops): New type for passing
11566         around an exploded simple expression.
11567         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
11568         Use this structure instead of expression tree.
11569         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
11570         expression, only its type.
11571         (expand_vec_cond_expr): Take type and individual operands instead
11572         of full expression.
11573         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
11574         expand_vec_shift_expr): Change prototype accordingly.
11575         * tree-vect-stmts.c (vectorizable_condition): Change call of
11576         expand_vec_cond_expr_p to pass only type.
11577         * expr.c (do_store_flags): Change prototype and implementation
11578         to take an exploded expression.
11579         (expand_expr_real_1): New local ops initialized with details
11580         of the full expression.  Use it instead of full
11581         expression in calls to do_store_flags, expand_vec_cond_expr,
11582         expand_widen_pattern_expr and expand_vec_shift_expr.
11583
11584 2009-08-25  Michael Matz  <matz@suse.de>
11585
11586         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
11587         treeop2 initialized with first three operands of the full expression.
11588         Substitute all TREE_OPERAND (exp, [012]) calls with them.
11589
11590 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
11591
11592         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
11593         (__gthread_objc_condition_allocate): Mark arguments as unused.
11594         (__gthread_objc_condition_deallocate): Likewise.
11595         (__gthread_objc_condition_wait): Likewise.
11596         (__gthread_objc_condition_broadcast): Likewise.
11597         (__gthread_objc_condition_signal): Likewise.
11598         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
11599         (__gthread_objc_thread_id): Likewise.
11600
11601 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
11602
11603         PR middle-end/41149
11604         * tree-pretty-print.c (print_call_name): Print the correct call name
11605         for procedure pointer components.
11606
11607 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
11608
11609         * config/ia64/ia64.c (ia64_promote_function_mode): Call
11610         default_promote_function_mode when not VMS.
11611
11612 2009-08-24  Olivier Hainque  <hainque@adacore.com>
11613
11614         * convert.c (convert_to_integer): Don't assume an input pointer is
11615         POINTER_SIZE wide.  Fetch from the type instead.
11616
11617 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11618
11619         * configure.ac (AC_PREREQ): Bump to 2.64.
11620
11621 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
11622
11623         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
11624         (process_command): Don't search standard_exec_prefix_1 and
11625         standard_exec_prefix_2.
11626
11627 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11628
11629         * config/arm/arm.c (output_return_instruction): Handle for
11630         unified syntax.
11631
11632 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11633
11634         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
11635
11636 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11637
11638         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
11639         (*arm_movdf_vfp): Likewise.
11640
11641 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11642
11643         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
11644         (vashr<mode>3): Rename from ashr<mode>3.
11645         (vlshr<mode>3): Rename from lshr<mode>3.
11646
11647 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
11648
11649         PR/40786
11650         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
11651         (check_format_info_main): Use scalar_identify_flag.
11652         (check_format_types): Check for scalar size identity if
11653         scalar_identify_flag is set.
11654         (printf_length_specs): Extend by new field.
11655         (asm_fprintf_length_specs): Likewise.
11656         (gcc_diag_length_specs): Likewise.
11657         (scanf_length_specs): Likewise.
11658         (strfmon_length_specs): Likewise.
11659         (gcc_gfc_length_specs): Likewise.
11660         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
11661         (ms_printf_flag_specs): Likewise.
11662         * c-format.h (format_length_info): Add new member scalar_identity_flag.
11663
11664 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
11665
11666         PR target/40718
11667         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
11668         (*call_value_pop_1): Ditto.
11669         (*sibcall_pop_1): New insn pattern.
11670         (*sibcall_value_pop_1): Ditto.
11671
11672 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
11673
11674         PR target/41081
11675         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
11676         ashrsi3_64): New.
11677
11678 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
11679
11680         PR target/41081
11681         * fwprop.c (try_fwprop_subst): Allow multiple sets.
11682         (get_reg_use_in): New function.
11683         (forward_propagate_subreg): Propagate through subreg of zero_extend
11684         or sign_extend.
11685
11686 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
11687
11688         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
11689         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
11690
11691 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11692
11693         * configure.ac: Remove --with-datarootdir, --with-docdir,
11694         --with-htmldir switches.  No need to call AC_SUBST for
11695         datarootdir, docdir, htmldir any more.
11696         * configure: Regenerate.
11697         * doc/install.texi (Configuration): Document --datarootdir,
11698         --docdir, --htmldir, --pdfdir; update documentation for
11699         --infodir, --mandir.
11700         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
11701         M4 to 1.4.6.
11702
11703         * aclocal.m4: Regenerate.
11704         * config.in: Regenerate.
11705         * configure: Regenerate.
11706
11707 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
11708             Olivier Hainque  <hainque@adacore.com>
11709
11710         * config/ia64/ia64.c: Include libfuncs.h.
11711         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
11712         (ia64_expand_call): Use reg 25 on VMS.
11713         (ia64_initialize_trampoline): Fix for VMS ABI.
11714         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
11715         (ia64_function_arg): Initialize reg 25 on VMS.
11716         Fix OpenVMS ABI issues for varargs.
11717         For OpenVMS, emit the Argument Information register set in the
11718         incoming/sibcall case as well.
11719         (ia64_arg_type): New function.
11720         (ia64_function_arg_advance): Keep track of cum->words.
11721         Fix OpenVMS ABI issues for varargs.
11722         (ia64_function_value): On VMS, promote mode of non-aggregate types.
11723         (ia64_override_options): Set flag_no_common on VMS.
11724         (ia64_init_builtins): Disable FWRITE builtin.
11725         (ia64_asm_output_external): Call DO_CRTL_NAMES.
11726         (ia64_vms_init_libfuncs): Add decc$ routines.
11727         (ia64_vms_valid_pointer_mode): New function.
11728         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
11729         (ia64_promote_function_mode): New function
11730         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
11731         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
11732         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11733         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
11734         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
11735         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
11736         Suppress trailing '#' if VALUE is numeric.
11737         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
11738         ia64_promote_function_mode.
11739         (TARGET_VALID_POINTER_MODE): Define.
11740
11741 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
11742
11743         PR target/40671
11744         * config/rs6000/rs6000.c (rs6000_override_options): Use
11745         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
11746
11747         PR target/41145
11748         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
11749         reporting of vector + decimal/boolean/complex error.
11750
11751 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
11752
11753         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
11754         __vector double TYPE_DECL.
11755
11756 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
11757
11758         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
11759         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
11760         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
11761         to pointer to enum machine_mode.  Update all callers as needed.
11762
11763 2009-08-21  Uros Bizjak  <ubizjak@gmail.com>
11764
11765         * config/alpha/alpha.md (exception_receiver): Emit alternative
11766         GP load sequence if flag_reorder_blocks_and_partition is set.
11767         (*exception_receiver_2): Also enable when
11768         flag_reorder_blocks_and_partition is set.
11769
11770 2009-08-20  Matt Rice  <ratmice@gmail.com>
11771             Diego Novillo  <dnovillo@google.com>
11772
11773         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
11774         tree-ssa-sccvn.h.
11775
11776 2009-08-20  Richard Guenther  <rguenther@suse.de>
11777
11778         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
11779         * c-tree.h (c_dup_lang_specific_decl): Remove.
11780         (struct lang_decl, struct lang_type): Move definitions ...
11781         * c-lang.h: ... here.  New file.
11782         * c-decl.c: Include c-lang.h.
11783         (c_dup_lang_specific_decl): Remove.
11784         * c-typeck.c: Include c-lang.h.
11785         * Makefile.in (c-decl.o): Add c-lang.h dependency.
11786         (c-typeck.o): Likewise.
11787         * c-config-lang.in (gtfiles): Add c-lang.h.
11788         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
11789         like c-tree.h.
11790
11791 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
11792
11793         * config/alpha/alpha.c (alpha_end_function): Do not clear
11794         crtl->emit structure and free insn locators if cfun->is_thunk is true,
11795         this is now handled in generic code.
11796
11797 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
11798
11799         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
11800         (s390_z10_fix_long_loop_prediction): New function.
11801         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
11802         (s390_reorg): Walk over the INSNs and invoke
11803         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
11804
11805 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
11806
11807         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
11808         "*brx_64bit", "*brx_31bit"): New patterns.
11809         * config/s390/s390.c ('E'): New output modifier.
11810
11811 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11812             Richard Earnshaw  <richard.earnshaw@arm.com>
11813
11814         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
11815         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
11816
11817 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11818
11819         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
11820         patterns.
11821         * pa.c (emit_move_sequence): Check if address of operand1 is valid
11822         for mode mode of operand0 when doing secondary reload for SAR.
11823
11824 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
11825
11826         PR middle-end/41123
11827         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
11828         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
11829
11830 2009-08-19  Jason Merrill  <jason@redhat.com>
11831
11832         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
11833         supported template depth in C++0x.
11834
11835 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
11836
11837         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
11838         free_after_compilation.
11839         * config/score/score7.c (score7_output_mi_thunk): Likewise.
11840         * config/score/score3.c (score3_output_mi_thunk): Likewise.
11841         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
11842         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
11843         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11844         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
11845         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
11846
11847 2009-08-19  Ian Lance Taylor  <iant@google.com>
11848
11849         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
11850         of (plus (mult (neg B) C) A).
11851
11852 2009-08-18  Michael Matz  <matz@suse.de>
11853
11854         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
11855         instead of comparing TYPE_MAIN_VARIANT for equality.
11856         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
11857         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
11858         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
11859         * gimplify.c (goa_lhs_expr_p): Ditto and use
11860         STRIP_USELESS_TYPE_CONVERSION.
11861
11862 2009-08-18  Michael Matz  <matz@suse.de>
11863
11864         * tree-ssa-structalias.c (create_variable_info_for): Also mark
11865         first field in a struct.
11866         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
11867
11868 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
11869
11870         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
11871         locators before emit_insn is called.  Remove assert that
11872         cfun->is_thunk.
11873         (alpha_end_function): Clear crtl->emit structure and free insn
11874         locators if cfun->is_thunk is true.
11875
11876 2009-08-18  Jason Merrill  <jason@redhat.com>
11877
11878         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
11879         type if available.
11880         * configure.ac: Test for it.
11881         * configure, config.in: Regenerate.
11882         * doc/install.texi: Document --enable-gnu-unique-object.
11883
11884 2009-08-18  Richard Guenther  <rguenther@suse.de>
11885
11886         PR middle-end/41094
11887         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
11888         pow(x,y*z) only if x is nonnegative.
11889
11890 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
11891
11892         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
11893         on jumps.
11894
11895         PR target/40971
11896         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
11897         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
11898
11899 2009-08-17  DJ Delorie  <dj@redhat.com>
11900
11901         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
11902         * config/m32c/prologue.md (epilogue_freit): New.
11903         (fset_b): New.
11904         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
11905         (bank_switch_p): Likewise.
11906         (fast_interrupt_p): Likewise.
11907         (interrupt_p): Likewise.
11908         (m32c_conditional_register_usage): Round memregs size up.
11909         (need_to_save): We only need to save $a0 when we use ENTER.
11910         (interrupt_p): Check for fast_interrupt too.
11911         (bank_switch_p): New.
11912         (fast_interrupt_p): New.
11913         (m32c_attribute_table): Add bank_switch and fast_interrupt.
11914         (m32c_emit_prolog): Support bank switching and fast interrupts.
11915         * doc/extend.texi (Function Attributes): Add bank_switch and
11916         fast_interrupt.
11917
11918 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
11919
11920         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
11921         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
11922
11923 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
11924
11925         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
11926         (menu): Add IA-64/VMS Options.
11927         (IA-64/VMS Options): Likewise.
11928
11929 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
11930
11931         PR target/38599
11932         * config/mips/mips.md (*lwxs): Use :P for pointer values.
11933
11934 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
11935
11936         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
11937         (mips_pop_asm_switch): Likewise.
11938         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
11939         with...
11940         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
11941         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
11942         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
11943         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
11944         instead of set_noreorder.
11945         (mips_output_function_prologue): Use the new functions.
11946         (mips_output_function_epilogue): Likewise.
11947         (mips_need_noat_wrapper_p): New function, split out from...
11948         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
11949         Use mips_push_asm_switch and mips_pop_asm_switch.
11950         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
11951         and mips_pop_asm_switch.
11952         (ASM_OUTPUT_REG_POP): Likewise.
11953         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
11954         Use mips_pop_asm_switch.
11955         (mips_asm_switch): New structure.
11956         (set_noreorder, set_nomacro): Replace with...
11957         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
11958         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
11959         instead of set_nomacro.
11960         (fix_truncsfsi2_macro): Likewise.
11961         (cprestore): Likewise.
11962         (hazard): Use mips_noreorder instead of set_noreorder.
11963         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
11964
11965 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
11966
11967         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
11968         from prev_active_insn.
11969
11970 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
11971
11972         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
11973         * config/avr/avr.c (avr_override_options): Initialize
11974         avr_current_arch variable.
11975         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
11976         __AVR_HAVE_16BIT_SP__ according to the device type.
11977         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
11978         TARGET_TINY_STACK.
11979         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
11980         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
11981
11982 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
11983
11984         PR debug/37801
11985         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
11986         generating inlined subroutine die only. We shouldn't be
11987         called for anything else.
11988         (gen_block_die): Don't generate inline subroutine debug info for
11989         abstract blocks.
11990
11991 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
11992
11993         * graphite-poly.c (print_pbb): Print PBB index.
11994
11995 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
11996
11997         PR middle-end/40981
11998         * graphite-interchange.c (ppl_max_for_le): Moved...
11999         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
12000         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
12001         ppl_Pointset_Powerset_C_Polyhedron_maximize.
12002         * graphite-ppl.h (ppl_max_for_le): Declared.
12003
12004 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
12005
12006         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
12007         supported on all platforms.
12008         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
12009         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
12010         * c-pragma.c: Likewise.
12011         * target-def.h (TARGET_INITIALIZER): Remove
12012         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
12013         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
12014
12015 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
12016
12017         * config/ia64/fde-vms.c: New file.
12018         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
12019         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
12020         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
12021         (uw_frame_state_for): Only register a personality routine if it is
12022         known to be compatible with our expectations.
12023         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
12024         Declare unw_table_entry stack variable and
12025         mod all calls to _Unwind_FindTableEntry to add arg.
12026         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
12027         (_Unwind_FindTableEntry): Add arg to prototype.
12028
12029 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
12030
12031         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
12032         field 'signal_pfs_loc'.
12033         (uw_frame_state_for): Remove duplicate code dealing with leaf
12034         procedures without unwind info.
12035         If in the frame after unwinding through a signal handler, restore
12036         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
12037         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
12038         'pfs_loc' to the AR.PFS location in the signal context; instead
12039         set 'signal_pfs_loc'.
12040         Manually generate the unwind info for the AR.PFS register.
12041         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
12042         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
12043         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
12044         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
12045         instead set 'signal_pfs_loc'.
12046         Remove code preventing the AR.PFS register from being restored
12047         from the signal context.
12048
12049 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
12050             Tristan Gingold  <gingold@adacore.com>
12051
12052         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
12053         * config/ia64/t-vms: New file.
12054         * config/ia64/vms64.h: New file.
12055         * config/ia64/vms.h: New file.
12056         * config/ia64/vms-crtinit.asm: New file.
12057         * config/ia64/vms_symvec_libgcc_s.opt: New file.
12058         * config/ia64/vms-unwind.h: New file.
12059
12060 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
12061
12062         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
12063         TFmode compares.
12064
12065 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12066
12067         PR middle-end/30789
12068         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
12069         Move declaration...
12070         * real.h (do_mpc_arg2): ... here.
12071         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
12072         and RDIV_EXPR.
12073
12074 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
12075
12076         * final.c (add_debug_prefix_map): Don't use GC memory for
12077         old_prefix and new_prefix.
12078
12079 2009-08-14  Richard Guenther  <rguenther@suse.de>
12080
12081         * ipa-prop.c (compute_complex_pass_through): If we cannot
12082         compute a non-varying offset for IPA_JF_ANCESTOR punt.
12083
12084 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12085
12086         * c-lex.c (c_lex_with_flags): Increase size of local variable
12087         to avoid memory clobber.
12088
12089 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
12090
12091         PR target/40934
12092         * config/i386/i386.c (ix86_fp_comparison_strategy):
12093         Only enable/disable sahf at function granularity.
12094
12095 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
12096
12097         PR rtl-optimization/41064
12098         * reload1.c (reload_as_needed): Don't call extract_insn
12099         for known invalid replacements after calling
12100         validate_replace_rtx_group and verify_changes.
12101
12102 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
12103
12104         PR target/41019
12105         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
12106         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
12107         ix86_expand_fp_vcond.
12108         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
12109         Assert that operation is supported by ix86_expand_int_vcond.
12110         (vcondu<SSEMODE124C8:mode>): Ditto.
12111
12112 2009-08-13  DJ Delorie  <dj@redhat.com>
12113
12114         * config/i386/djgpp-stdint.h: New.
12115         * config.gcc (djgpp): Use it.
12116
12117 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
12118
12119         * config/sh/sh.c (sh_override_options): When flag_exceptions or
12120         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
12121
12122 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
12123
12124         * tree-ssa-loop-prefetch.c
12125         (prune_ref_by_group_reuse): Enhance probabilistic analysis
12126         for long-stride pruning.
12127         (compute_miss_rate): New function to compute the probability
12128         that two memory references access different cache lines.
12129
12130 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
12131
12132         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
12133
12134 2009-08-13  Richard Guenther  <rguenther@suse.de>
12135
12136         PR middle-end/41047
12137         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
12138         use the constant pointer type.
12139         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
12140         of CV qualifiers on the target pointer type.
12141         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
12142         conversion check before restrict check.
12143
12144 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
12145
12146         PR target/41029
12147         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
12148
12149 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
12150
12151         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
12152
12153 2009-08-12  Richard Guenther  <rguenther@suse.de>
12154
12155         PR tree-optimization/41011
12156         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
12157         and reference constructing.
12158
12159 2009-08-12  Xinliang David Li  <davidxl@google.com>
12160
12161         PR tree-optimization/41012
12162         * tree-flow.h : New external interface.
12163         * gimple-low.c (check_call_arg): Change to public function.
12164         Remove argument mismatch check in lowering.
12165         * tree-inline.h (tree_can_inline_p): Interface change.
12166         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
12167         into this function.
12168         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
12169         Call change to tree_can_inline_p function.
12170         (cgraph_decide_inlining_incrementally): Ditto.
12171
12172 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
12173
12174         PR tree-optimization/41031
12175         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
12176         on the partition variable rather than promote_mode on the source
12177         type.  Assert that the partition variable's type has the same
12178         mode as the source value's.
12179
12180 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
12181
12182         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
12183         for for_return == 2.
12184         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
12185         comments.
12186         * calls.c (expand_call): Fix typo.
12187         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
12188         and PARM_DECL.
12189         * stmt.c (expand_value_return): Use promote_function_mode to copy out
12190         of pseudo.
12191         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
12192         * config/cris/cris.c (cris_promote_function_mode): Likewise.
12193         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
12194         * config/pa/pa.c (pa_promote_function_mode): Likewise.
12195
12196 2009-08-12  Andrew Haley  <aph@redhat.com>
12197
12198         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
12199
12200 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12201
12202         PR bootstrap/40103
12203         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
12204
12205 2009-08-12  Richard Guenther  <rguenther@suse.de>
12206
12207         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
12208         * gimplify.c (gimplify_modify_expr): Do not use
12209         lang_hooks.types_compatible_p.
12210         * tree-ssa.c (useless_type_conversion_p): For aggregates
12211         just return false if the canonical types differ.
12212
12213 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12214
12215         PR middle-end/40980
12216         * sese.c (convert_for_phi_arg): New.
12217         (add_guard_exit_phis): Use convert_for_phi_arg.
12218
12219 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12220
12221         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
12222         unknown subscript upper bounds.
12223
12224 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12225             Pranav Garg  <pranav.garg2107@gmail.com>
12226
12227         * graphite-interchange.c (gather_access_strides): Removed.
12228         (ppl_max_for_le): New.
12229         (build_linearized_memory_access): New.
12230         (memory_stride_in_loop): New.
12231         (pbb_interchange_profitable_p): Reimplemented.
12232         * graphite-ppl.h (ppl_new_id_map): New.
12233         (ppl_interchange): New.
12234
12235 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12236
12237         * graphite-interchange.c (compute_subscript): Removed.
12238         (compute_array_size_cstr): Removed.
12239         (compute_array_size_poly): Removed.
12240         (compute_array_size): Removed.
12241         (gather_access_strides_poly): Removed.
12242         (gather_access_strides): Empty.
12243
12244 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12245
12246         * graphite-dependences.c (dependence_polyhedron_1): Replace
12247         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
12248         (graphite_legal_transform_dr): Same.
12249         (graphite_carried_dependence_level_k): Same.
12250         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
12251         Initialize PDR_NB_SUBSCRIPTS.
12252         (print_pdr_access_layout): Replace pdr_nb_subscripts with
12253         PDR_NB_SUBSCRIPTS.
12254         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
12255         (PDR_NB_SUBSCRIPTS): New.
12256         (pdr_nb_subscripts): Removed.
12257         (pdr_dim): Simplified.
12258         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
12259         with PDR_NB_SUBSCRIPTS.
12260
12261 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12262
12263         * graphite-interchange.c (compute_array_size): Remove use of
12264         PDR_DATA_CONTAINER.
12265         * graphite-poly.c (new_poly_dr): Remove argument data_container.
12266         Do not initialize PDR_DATA_CONTAINER.
12267         (print_pdr): Do not print PDR_DATA_CONTAINER.
12268         * graphite-poly.h (struct poly_dr): Remove data_container field.
12269         (PDR_DATA_CONTAINER): Removed.
12270         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
12271         PDR_DATA_CONTAINER.
12272         (build_poly_dr): Same.
12273
12274 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
12275             Sebastian Pop  <sebastian.pop@amd.com>
12276
12277         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
12278         copy of the dependence polyhedron.  Free the temporary objects.
12279         (graphite_carried_dependence_level_k): Free unused objects before
12280         returning.
12281
12282 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12283
12284         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
12285         Early return without analyzing the data dependences if no
12286         transform has been done.  Call restore_scattering if the transform
12287         is not legal.
12288         (graphite-interchange.c): Same.
12289         * graphite-poly.c (print_scattering_function): Test for
12290         PBB_TRANSFORMED.
12291         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
12292         (apply_poly_transforms): Do not gcc_assert that
12293         the transform is legal.
12294         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
12295         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
12296         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
12297         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
12298         * graphite-poly.h (struct poly_scattering): New.
12299         (struct poly_bb): Add original, transformed, and saved fields.
12300         Remove transformed_scattering, original_scattering,
12301         nb_local_variables and nb_scattering_transform fields.
12302         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
12303         (poly_scattering_new): New.
12304         (poly_scattering_free): New.
12305         (poly_scattering_copy): New.
12306         (store_scattering_pbb): New.
12307         (store_scattering): New.
12308         (restore_scattering_pbb): New.
12309         (restore_scattering): New.
12310         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
12311         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
12312
12313 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12314
12315         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
12316         (print_scop): Same.
12317
12318 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12319
12320         * Makefile.in (graphite.o): Depends on PREDICT_H.
12321         * graphite.c: Include predict.h.
12322         (graphite_finalize): Call tree_estimate_probability.
12323         * predict.c (predict_loops): Do not call scev_initialize and
12324         scev_finalize.
12325         (tree_estimate_probability_bb): New.
12326         (tree_estimate_probability): Do not initialize loops: move that
12327         code to the driver.  Call tree_estimate_probability_bb.
12328         (tree_estimate_probability_driver): New.
12329         (pass_profile): Use tree_estimate_probability_driver.
12330         * predict.h (tree_estimate_probability): Declared.
12331
12332 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
12333
12334         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
12335         * graphite-dependences.c (graphite_legal_transform): Add time to
12336         TV_GRAPHITE_DATA_DEPS.
12337         (dependency_between_pbbs_p): Same.
12338         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
12339
12340 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
12341
12342         PR rtl-optimization/41033
12343         * alias.c (nonoverlapping_component_refs_p): Punt when strict
12344         aliasing is disabled.
12345
12346 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
12347
12348         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
12349         si_mask_operand, and_load_operand, low_bitmask_operand,
12350         and_reg_operand, and_operand): New predicates.
12351         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
12352         * config/mips/mips.c (and_operands_ok): New function.
12353         * config/mips/mips-protos.h (and_operands_ok): Declare it.
12354         * config/mips/mips.md (move_type): Add ext_ins and logical.
12355         (type): Handle them.
12356         (and<mode>3): Use and_reg_operand as the second operand's predicate.
12357         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
12358         shift_shift.  Remove commutative constraint modifier.
12359         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
12360         shift_shift.
12361         (*clear_upper32_dext): Remove define_insn_and_split.
12362         (*clear_upper32): Turn this define_insn_and_split ...
12363         (splitter for ANDing register with 0xffff_ffff): .. into this.
12364
12365 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
12366
12367         * combine.c (try_widen_shift_mode): Factor out code to check if an
12368         integer constant is a low-order bitmask from here ...
12369         * rtlanal.c (low_bitmask_len): ... to here.
12370         * rtl.h (low_bitmask_len): Declare.
12371
12372 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
12373
12374         PR target/8603
12375         * config/alpha/alpha.md (addsi3): Remove expander.
12376         (addsi3): Rename from *addsi3_internal insn pattern.
12377         (subsi3): Remove expander.
12378         (subsi3): Rename from *subsi3_internal insn pattern.
12379
12380 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
12381
12382         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
12383         FWRITE_UNLOCKED.
12384
12385 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
12386             Eric Botcazou  <botcazou@adacore.com>
12387             Douglas B Rupp  <rupp@gnat.com>
12388
12389         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
12390         that records that fit in 64 bits are returned by immediate value,
12391         as required by OpenVMS Calling Standard.
12392         (function_value): Adjust for above modification.
12393         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
12394         virtual_incoming_args_rtx as base object, not next_arg.
12395         * config/alpha/vms.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
12396
12397 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12398
12399         * reload.c (find_reloads_subreg_address): Check the original
12400         req_equiv_mem address to detect the case where an address is
12401         not valid in the outer mode.
12402
12403 2009-08-11  Richard Guenther  <rguenther@suse.de>
12404
12405         PR bootstrap/40788
12406         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
12407
12408 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
12409
12410         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
12411         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
12412
12413 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
12414             Douglas B Rupp  <rupp@gnat.com>
12415
12416         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
12417         PT_STACK when frame_pointer_needed on OpenVMS.
12418         (alpha_pv_save_size, alpha_using_fp): Remove.
12419         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
12420         with proper processing for PT_NULL.
12421         (alpha_vms_initial_elimination_offset): New function. Support for
12422         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
12423         (alpha_sa_size): Force procedure type to PT_STACK when
12424         frame_pointer_needed on OpenVMS.
12425         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
12426         (alpha_using_fp): Likewise.
12427         (alpha_vms_can_eliminate): Add prototype.
12428         (alpha_vms_initial_elimination_offset): Likewise.
12429         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
12430         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
12431
12432 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
12433             Douglas B Rupp  <rupp@gnat.com>
12434
12435         * config/alpha/alpha.c (common_object_handler): New function.
12436         (vms_attribute_table): Declare a single attribute "common_object".
12437         (vms_output_aligned_decl_common): New global function.
12438         (SECTION_VMS_OVERLAY): Delete.
12439         (SECTION_VMS_GLOBAL): Likewise.
12440         (SECTION_VMS_INITIALIZE): Likewise.
12441         (vms_asm_named_section): Remove support for above flags.
12442         (vms_section_type_flags): Delete.
12443         (TARGET_SECTION_TYPE_FLAGS): Likewise.
12444         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
12445         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
12446         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
12447
12448 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
12449
12450         PR target/41015
12451         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
12452         (sub_ddmmss): Likewise.
12453
12454 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
12455
12456         PR bootstrap/41018
12457         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
12458         year.
12459
12460 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
12461
12462         PR target/37053
12463         * reload1.c (reload_as_needed): Use cancel_changes to completely
12464         undo a failed replacement attempt.
12465
12466 2009-08-10  Richard Guenther  <rguenther@suse.de>
12467
12468         PR middle-end/41006
12469         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
12470         (useless_type_conversion_p): ... here.  Require pointer targets
12471         to be compatible.
12472
12473 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
12474
12475         PR c++/40866
12476         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
12477         loose the original type of the statement list.
12478
12479 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12480
12481         * config/alpha/alpha.c: Include libfuncs.h
12482         (avms_asm_output_extern): New function.
12483         (alpha_init_libfuncs): Init some decc libfuncs.
12484         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
12485         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
12486         (DO_CRTL_NAMES): Define.
12487         (LIB_SPEC): Remove.
12488         * config/alpha/vms64.h (POINTERS_EXTEND_UNSIGNED): Remove undef.
12489         (LONG_TYPE_SIZE): Define.
12490         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
12491         (SUBTARGET_SWITCHES): Define malloc64 switch.
12492         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
12493         (MASK_RETURN_ADDR): Define.
12494         doc/invoke.texi (mmalloc64): Document switch.
12495
12496 2009-08-09  Olivier Hainque  <hainque@adacore.com>
12497             Douglas B Rupp  <rupp@gnat.com>
12498
12499         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
12500         uses_condition_handler.
12501         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
12502         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
12503         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
12504         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
12505         (code_for_builtin): New insn codes for the new alpha_builtins.
12506         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
12507         (alpha_sa_size): Account for uses_condition_handler.
12508         (alpha_expand_prologue): Likewise.
12509         (alpha_start_function): Likewise.
12510         (alpha_expand_epilogue): Likewise.
12511         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
12512         establish/revert expanders.
12513         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
12514         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
12515         New expander, resorting to the alpha.c associated function.
12516         (builtin_revert_vms_condition_handler): Likewise.
12517         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
12518         __gcc_shell_handler, the static VMS condition handler used as
12519         an indirection wrapper to the current dynamically established
12520         handler.
12521         * config/alpha/vms-unwind.h: Complete rewrite.
12522         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
12523         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
12524
12525 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
12526             Douglas B Rupp  <rupp@gnat.com>
12527
12528         * config/alpha/alpha.c (alpha_links): Add 'target' field.
12529         (alpha_need_linkage): Handle aliases.  Return function symbol.
12530         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
12531         Use ultimate alias target for the linkage name.
12532         * config/alpha/alpha.md (movmemdi): Use the symbol returned
12533         by alpha_need_linkage for the function symbol.
12534         (setmemdi): Likewise.
12535
12536 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12537
12538         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
12539         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
12540         (ASM_WEAKEN_LABEL): Define.
12541         (CRT_CALL_STATIC_FUNCTION): Define.
12542         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
12543         (ENDFILE_SPEC): Define.
12544         (INIT_SECTION_ASM_OP): Define.
12545         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
12546         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
12547         crtend.o crtendS.o.
12548         (MULTILIB_OSDIRNAMES): Define.
12549         (shlib_version): Define.
12550         (SHLIB_EXT): Define.
12551         (SHLIB_OBJS): Define.
12552         (SHLIB_NAME): Define.
12553         (SHLIB_MULTILIB): Define.
12554         (SHLIB_INSTALL): Define.
12555         (SHLIB_SYMVEC): Define.
12556         (SHLIB_SYMVECX2): Define.
12557         (SHLIB_LINK): Define.
12558
12559 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12560
12561         * config/alpha/alpha.c (alpha_initialize_trampoline):
12562         Initialize VMS trampoline IAW ABI for bounded procedure calls.
12563         (alpha_start_function): Emit transfer address on nested functions
12564         for VMS trampoline call.
12565         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
12566         since no longer used.
12567         * config/alpha/vms-tramp.asm: Remove.
12568         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
12569         since now only data initialized at runtime.
12570
12571 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12572
12573         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
12574         (LINK_GCC_C_SEQUENCE_SPEC): Define.
12575         (MD_EXEC_PREFIX): Remove, no longer used.
12576         (MD_STARTFILE_PREFIX): Likewise.
12577         (INCLUDE_DEFAULTS): Likewise.
12578         * config/alpha/t-vms:
12579         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
12580
12581 2009-08-09  Richard Guenther  <rguenther@suse.de>
12582
12583         PR tree-optimization/41016
12584         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
12585         (operand_precision): Remove.
12586         (integral_operand_p): Likewise.
12587         (recognize_single_bit_test): Adjust.
12588
12589 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
12590
12591         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
12592         operation overflows.  Likewise non-cast unary arithmetic.
12593         If one arm of a conditional expression is always taken,
12594         inhibit evaluation warnings for the other arm.  Likewise inhibit
12595         evaluation warnings for the second && or || operand if the first
12596         operand is enough to determine the result.
12597         * c-typeck.c (build_conditional_expr): Apply the same inhibition
12598         rules here.
12599         (build_binary_op): Prevent duplicate evaluation warnings.
12600
12601 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
12602
12603         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
12604         and destination have different modes, Use promote_mode to
12605         determine the signedness of the conversion.  Assert that the
12606         promoted source mode matches the destination mode.  Don't pass
12607         the destination and destination mode to expand_expr if the source
12608         mode is different.  Simplify conversion logic.
12609
12610 2009-08-09  Ira Rosen  <irar@il.ibm.com>
12611
12612         PR tree-optimization/41008
12613         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
12614         from condition only in case it's a comparison. Adjust checks.
12615
12616 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
12617
12618         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
12619         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
12620         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
12621         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
12622         (dump_cand): Handle them.
12623         (struct iv_cand): New members COST_STEP and AINC_USE.
12624         (stmt_after_increment): Likewise.
12625         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
12626         callers changed.  Use gimple_uid comparison instead of scanning.
12627         (add_candidate_1): When looking for identical candidates, take
12628         AINC_USE into account.  Set it for new candidates.
12629         (force_expr_to_var_cost): Cast target_spill_cost to int.
12630         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
12631         All callers changed.  Check for availability of autoinc addressing
12632         modes, both in general for a given mode, and in the specific use case.
12633         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
12634         changed.
12635         (get_computation_cost): Likewise.
12636         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
12637         add_autoinc_candidates): New static functions.
12638         (add_candidate): Call add_autoinc_candidates for candidates based on
12639         a USE_ADDRESS use.
12640         (find_iv_candidates): Call set_autoinc_for_original_candidates.
12641         (determine_use_iv_cost_address): If we have an autoinc candidate at
12642         the matching use, verify autoinc is possible and subtract the cost
12643         of the candidate's step from the cost.
12644         (determine_iv_cost): Record the cost of the increment in the COST_STEP
12645         member of the candidate.
12646         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
12647         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
12648
12649 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
12650
12651         * config.build (ia64-hp-*vms*): New target.
12652         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
12653         with ia64-hp-*vms*.
12654         * config.gcc (ia64-hp-*vms*): New target.
12655         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
12656         with ia64-hp-*vms*.
12657         * config.host (ia64-hp-*vms*): New target.
12658         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
12659         with ia64-hp-*vms*.
12660
12661 2009-08-08  Richard Guenther  <rguenther@suse.de>
12662
12663         PR tree-optimization/40991
12664         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
12665
12666 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
12667
12668         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
12669         mode check.  Do truncations in an integer mode.
12670         (force_to_mode): Handle subregs for all mode types.  Only do
12671         arithmetic simplifications on integer modes.
12672
12673 2009-08-07  Richard Guenther  <rguenther@suse.de>
12674
12675         PR tree-optimization/40999
12676         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
12677         (maybe_fold_reference): Lookup constant initializers.
12678         (fold_gimple_assign): Likewise.
12679
12680 2009-08-07  Richard Guenther  <rguenther@suse.de>
12681
12682         * tree-ssa.c (useless_type_conversion_p_1): Only for types
12683         that require structural equality defer to the langhook.
12684
12685 2009-08-07  Martin Jambor  <mjambor@suse.cz>
12686
12687         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
12688         comments.
12689         (struct ipa_pass_through_data): New type.
12690         (struct ipa_ancestor_jf_data): New type.
12691         (union jump_func_value): Removed field formal_id, added fields
12692         pass_through and ancestor.
12693         (struct ipa_param_call_note): Changed type of formal_id to int from
12694         unsigned.
12695         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
12696         operations jump functions and ancestor jump functions.
12697         (compute_complex_pass_through): New function.
12698         (compute_scalar_jump_functions): Call compute_complex_pass_through,
12699         reflect changes in the jump function strucutre.
12700         (update_jump_functions_after_inlining): Ignore complex pass-through
12701         and ancestor jump functions.
12702         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
12703         polynomial pass-through with operation jump functions.
12704
12705 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
12706
12707         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
12708         fde->dw_fde_begin as begin label instead of hot/cold label.
12709         Use LLSDAC label instead of LLSDA for second section lsda.
12710         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
12711         label instead of LLSDA if it is true.
12712         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
12713         callers.
12714         * except.c (add_call_site, dw2_size_of_call_site_table): Add
12715         SECTION argument.  Use it as index into crtl->eh.call_site_record
12716         array.
12717         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
12718         use it to determine how to print table entries instead of using
12719         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
12720         label instead of normal begin label as base.
12721         (sjlj_assign_call_site_values): Adjust add_call_site caller.
12722         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
12723         ensure no EH range spans between sections and that landing pads
12724         are always in the corresponding section.
12725         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
12726         for crtl->eh.call_site_record being an array rather than scalar.
12727         (output_one_function_exception_table): New function, copied
12728         from output_function_exception_table.  Adjust
12729         dw2_size_of_call_site_table, dw2_output_call_site_table
12730         callers.  For SECOND section use *C suffixed labels.
12731         (output_function_exception_table): Call
12732         output_one_function_exception_table and, when doing hot/cold
12733         partitioning, also another time for the second section.
12734         * opts.c: Include except.h.
12735         (decode_options): Allow -freorder-blocks-and-partition with
12736         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
12737         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
12738         * function.h (struct rtl_eh): Change call_site_record from
12739         scalar into array of 2 elements.
12740
12741 2009-08-07  Martin Jambor  <mjambor@suse.cz>
12742
12743         * ipa-prop.c (count_formal_params_1): New function.
12744         (ipa_get_vector_of_formal_parms): New function.
12745         (get_vector_of_formal_parm_types): New function.
12746         (ipa_modify_formal_parameters): New function.
12747         (ipa_modify_call_arguments): New function.
12748         (index_in_adjustments_multiple_times_p): New function.
12749         (ipa_combine_adjustments): New function.
12750         (ipa_dump_param_adjustments): New function.
12751         * ipa-prop.h (struct ipa_parm_adjustment): New type.
12752         (ipa_get_vector_of_formal_parms): Declare.
12753         (ipa_modify_formal_parameters): Declare.
12754         (ipa_modify_call_arguments): Declare.
12755         (ipa_combine_adjustments): Declare.
12756         (ipa_dump_param_adjustments): Declare.
12757         (build_ref_for_offset): Declare.
12758         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
12759         * tree-sra.c: Include ipa-prop.c.
12760         (build_ref_for_offset): Make public.
12761
12762 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
12763
12764         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
12765
12766 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
12767
12768         * gcc/doc/extend.texi (__builtin_extract_return_address)
12769         (__builtin_frob_return_address): Document.
12770
12771 2009-08-06  Paul Brook  <paul@codesourcery.com>
12772
12773         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
12774         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
12775         implementation on ARMv6-M.
12776
12777 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12778
12779         * doc/extend.texi (pcs): Document new attribute for ARM.
12780
12781 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12782
12783         * arm.c (pcs_attribute_args): Comment out unsupported attribute
12784         variants.
12785
12786 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12787
12788         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
12789         warning ().
12790
12791 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12792
12793         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
12794
12795 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
12796
12797         Merge ARM/hard_vfp_branch to trunk.
12798
12799         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
12800
12801         * arm.c (libcall_eq): New function.
12802         (libcall_hash): New function.
12803         (add_libcall): New function.
12804         (arm_libcall_uses_aapcs_base): New function.
12805         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
12806         libcalls using the base PCS.
12807         (arm_init_cumulative_args): Likewise.
12808
12809         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
12810
12811         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
12812         Use base ABI for conversion libfuncs between HFmode and SFmode.
12813
12814         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
12815
12816         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
12817         V4SImode as representatives of all 64-bit and 128-bit vector
12818         types.  Allow vector types without vector modes.
12819         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
12820         without vector modes like BLKmode.
12821         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
12822         BLKmode.  Avoid unsupported vector modes or TImode moves for
12823         non-TARGET_NEON.
12824         (aapcs_vfp_allocate_return_reg): Likewise.
12825         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
12826         V8QImode if TARGET_NEON || TARGET_IWMMXT.
12827
12828         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
12829
12830         * config/arm/arm.c (arm_handle_pcs_attribute): New.
12831         (arm_get_pcs_model): Pass attribute arguments to
12832         arm_pcs_from_attribute.
12833         (arm_init_cumulative_args): Use base AAPCS for conversions from
12834         floating-point types to DImode.
12835         (arm_attribute_table): Add pcs attribute.
12836         (arm_handle_pcs_attribute): New.
12837         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
12838         conversions from floating-point types to DImode, also declare them
12839         to use base AAPCS and declare functions they call to use base
12840         AAPCS and their RTABI names.
12841
12842         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
12843
12844         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
12845         -mfloat-abi=hard not being supported for VFP.
12846
12847         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
12848
12849         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
12850         SYMBOL_REF to hard_libcall_value.
12851
12852         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
12853             Richard Earnshaw  <rearnsha@arm.com>
12854
12855         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
12856         has been put on the stack, all remaining co-processory arguments for
12857         that co-processor also go on the stack.
12858
12859         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
12860
12861         * config/arm/arm.c (arm_return_in_memory): Handle returning
12862         vectors of suitable size in registers also for AAPCS case.
12863
12864         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
12865
12866         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
12867
12868         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
12869
12870         ARM Hard-VFP calling convention
12871         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
12872         * target.h (gcc_target): Add libcall_value to table of call hooks.
12873         * targhooks.h (default_libcall_value): Default implementation.
12874         * targhooks.c (default_libcall_value): Likewise.
12875         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
12876         * optabs.c (expand_unop): Use it.
12877         * expr.h (hard_libcall_value): Pass the function RTX through.
12878         * calls.c (emit_library_call_value_1): Update call to
12879         hard_libcall_value.
12880         * explow.c (hard_libcall_value): Use new target hook.
12881         * config/arm/arm.c: Include cgraph.h
12882         (TARGET_FUNCTION_VALUE): Override default hook.
12883         (arm_pcs_default): New variable.
12884         (arm_override_options): Don't fault hard calling convention with VFP.
12885         Add support for AAPCS variants.
12886         (arm_function_value): Make static.  Handle AAPCS variants.
12887         (arm_libcall_value): New function.
12888         (arm_apply_result_size): Handle VFP registers in results.
12889         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
12890         conventions.
12891         (pcs_attribute_args): New variable.
12892         (arm_pcs_from_attribute): New function.
12893         (arm_get_pcs_model): New function.
12894         (aapcs_vfp_cum_init): New function.
12895         (aapcs_vfp_sub_candidate): New function.
12896         (aapcs_vfp_is_return_candidate): New function.
12897         (aapcs_vfp_is_call_candidate): New function.
12898         (aapcs_vfp_allocate): New function.
12899         (aapcs_vfp_allocate_return_reg): New function.
12900         (aapcs_vfp_advance): New function.
12901         (aapcs_cp_arg_layout): New variable.
12902         (aapcs_select_call_coproc): New function.
12903         (aapcs_select_return_coproc): New function.
12904         (aapcs_allocate_return_reg): New function.
12905         (aapcs_libcall_value): New function.
12906         (aapcs_layout_arg): New function.
12907         (arm_init_cumulative_args): Initialize AAPCS args data.
12908         (arm_function_arg): Handle AAPCS variants using new interface.
12909         (arm_arg_parital_bytes): Likewise.
12910         (arm_function_arg_advance): New function.
12911         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
12912         calling conventions.
12913         (arm_setup_incoming_varargs): Handle new AAPCS args data.
12914         * arm.h (NUM_VFP_ARG_REGS): Define.
12915         (LIBCALL_VALUE): Update.
12916         (FUNCTION_VALUE): Delete.
12917         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
12918         (arm_pcs): New enum.
12919         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
12920         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
12921         (FUNCTION_ARG_REGNO_P): Add VFP regs.
12922         * arm-protos.h (arm_function_arg_advance): Add.
12923         (aapcs_libcall_value): Add.
12924         (arm_function_value): Delete.
12925
12926 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
12927             H.J. Lu  <hongjiu.lu@intel.com>
12928
12929         PR target/40957
12930         * config/i386/i386.c (standard_sse_mode_p): Remove.
12931         (standard_sse_constant_p): Return 2 for integer mode
12932         vector_all_ones_operand when SSE2 is enabled.
12933         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
12934         (ix86_expand_vector_move): Do not check for negative values from
12935         standard_sse_constant_p.
12936
12937 2009-08-06  Richard Guenther  <rguenther@suse.de>
12938
12939         * tree-ssa.c (useless_type_conversion_p_1): Make function and
12940         array type comparisons frontend independent.
12941         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
12942         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
12943         out array reference lower bound and element size operands.
12944         (ao_ref_init_from_vn_reference): Properly compute the offset
12945         for ARRAY_RANGE_REF.
12946         (vn_reference_fold_indirect): Fill out array reference lower
12947         bound and element size operands.
12948         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
12949         a non gimple valued reference operand which can happen for
12950         array reference lower bound or element size.
12951         (create_component_ref_by_pieces_1): Properly generate the
12952         element size operand for array references.
12953
12954 2009-08-06  Richard Guenther  <rguenther@suse.de>
12955
12956         PR tree-optimization/40964
12957         * tree.c (iterative_hash_host_wide_int): Export.
12958         * tree.h (iterative_hash_host_wide_int): Declare.
12959         * tree-ssa-structalias.c (heapvar_map): New struct.
12960         (heapvar_map_eq): New function.
12961         (heapvar_map_hash): Likewise.
12962         (heapvar_lookup): Adjust.
12963         (heapvar_insert): Likewise.
12964         (make_constraint_from_heapvar): Allow multiple heap variables
12965         per decl at different offsets.
12966         (init_alias_heapvars): Adjust.
12967
12968 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
12969
12970         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
12971         * mips_output_sync_loop (mips_output_sync_loop): Only emit
12972         trailing sync if TARGET_SYNC_AFTER_SC.
12973
12974 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
12975
12976         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
12977         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
12978         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
12979         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
12980         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
12981         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
12982         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
12983         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
12984         test_and_set_12): Rewrite calls to mips_output_sync_loop.
12985         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
12986         the prototype declaration match the definition.
12987         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
12988         instructions explicitly.  Add barrier_before and operands
12989         parameters.
12990         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
12991         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
12992         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
12993         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
12994         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
12995         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
12996
12997 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
12998
12999         * tree-ssa-alias.c: Fix intervals to use [) syntax.
13000
13001 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
13002             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
13003
13004         PR target/40906
13005         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
13006         source operand.
13007
13008 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
13009
13010         PR rtl-optimization/40924
13011         * dse.c (canon_address): Before calling cselib_expand_value_rtx
13012         make sure canon_rtx (mem_address) isn't simpler than
13013         canon_rtx (expanded_mem_address).
13014
13015 2009-08-05  Li Feng  <nemokingdom@gmail.com>
13016
13017         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
13018         for each poly_bb_p.
13019         (build_scop_drs): Build alias set for each SCoP.
13020
13021 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
13022
13023         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
13024         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
13025         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
13026         (MIPS_ARCH_FLOAT_SPEC): Likewise.
13027         (BASE_DRIVER_SELF_SPECS): Likewise.
13028
13029 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
13030
13031         * tree-ssa-alias.c: Fix some comment typos.
13032
13033 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
13034
13035         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
13036         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
13037
13038 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
13039
13040         PR c/39902
13041         * simplify-rtx.c (simplify_binary_operation_1): Disable
13042         simplifications for decimal float operations.
13043
13044 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
13045
13046         PR middle-end/40943
13047         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
13048         operand of INDIRECT_REF.
13049
13050 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
13051
13052         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
13053         constants referencing TLS symbols.
13054
13055 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
13056
13057         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
13058         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
13059
13060 2009-08-03  Richard Guenther  <rguenther@suse.de>
13061
13062         * tree.c (make_vector_type): Build a main variant first,
13063         get the canonical one and then build the variant.
13064         * tree-ssa.c (useless_type_conversion_p_1): Handle
13065         fixed-point types.
13066         (useless_type_conversion_p): Conversions to pointers to
13067         incomplete record types are useless.
13068
13069 2009-08-03  Richard Guenther  <rguenther@suse.de>
13070
13071         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
13072         file will be created.
13073         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
13074         * toplev.c (compile_file): Adjust comment.
13075
13076 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13077
13078         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
13079         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
13080         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13081         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
13082         (sh_promote_function_mode): Fix typo.
13083
13084 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
13085
13086         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
13087
13088 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13089
13090         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
13091         declaration arguments.
13092
13093 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
13094
13095         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
13096         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
13097         (ix86_split_ashl): Ditto.
13098         (ix86_expand_vector_init_one_nonzero): Ditto.
13099         (ix86_expand_vector_set): Ditto.
13100         (ix86_expand_reduc_v4sf): Ditto.
13101
13102 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
13103
13104         * explow.c (promote_function_mode): Remove assert.
13105         * config/sh/sh.c (sh_promote_function_mode): Declare.
13106
13107 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13108
13109         * config/pa/pa.c (pa_promote_function_mode): Declare.
13110         Change to static.  Fix promote_mode call.
13111
13112         * gthr-dce.h (CONST_CAST2): Define if not defined.
13113         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
13114
13115         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
13116
13117 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
13118
13119         * expr.c (store_constructor): Use promote_decl_mode.  Remove
13120         now write-only variable unsignedp.
13121         (expand_expr_real_1): Use promote_decl_mode.
13122         * expr.h (promote_function_mode, promote_decl_mode): New.
13123         (promote_mode): Remove last argument.
13124         * function.c (assign_temp): Drop last argument of promote_mode.
13125         (assign_parm_find_data_types): Use promote_function_mode.
13126         (assign_parm_setup_reg): Likewise.
13127         (expand_function_end): Use promote_function_mode.
13128         * calls.c (initialize_argument_information): Use promote_function_mode.
13129         (precompute_arguments): Use promote_mode instead of checking if
13130         only PROMOTE_FUNCTION_MODE is defined.
13131         (expand_call): When making sibcall decisions, use promote_function_mode.
13132         Below, remove an if for targetm.calls.promote_function_return and
13133         and use promote_function_mode.
13134         (emit_library_call_value_1): Use promote_function_mode, fix bug
13135         where promote_mode was passed FOR_CALL == 0 for a return value in an
13136         assertion.
13137         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
13138         * explow.c (promote_function_mode, promote_decl_mode): New.
13139         (promote_mode): Keep only the FOR_CALL == 0 case.
13140         * combine.c (setup_incoming_promotion): Remove test of
13141         promote_function_args.  Use promote_function_mode.
13142         * stmt.c (expand_value_return): Use promote_decl_mode.
13143         (expand_decl): Use promote_decl_mode.
13144
13145         * expr.c (store_constructor): Use promote_decl_mode.  Remove
13146         now write-only variable unsignedp.
13147         (expand_expr_real_1): Use promote_decl_mode.
13148         * expr.h (promote_function_mode, promote_decl_mode): New.
13149         (promote_mode): Remove last argument.
13150         * function.c (assign_temp): Drop last argument of promote_mode.
13151         (assign_parm_find_data_types): Use promote_function_mode.
13152         (assign_parm_setup_reg): Likewise.
13153         (expand_function_end): Use promote_function_mode.
13154         * calls.c (initialize_argument_information): Use promote_function_mode.
13155         (precompute_arguments): Use promote_mode instead of checking if
13156         only PROMOTE_FUNCTION_MODE is defined.
13157         (expand_call): When making sibcall decisions, use promote_function_mode.
13158         Below, remove an if for targetm.calls.promote_function_return and
13159         and use promote_function_mode.
13160         (emit_library_call_value_1): Use promote_function_mode, fix bug
13161         where promote_mode was passed FOR_CALL == 0 for a return value in an
13162         assertion.
13163         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
13164         * explow.c (promote_function_mode, promote_decl_mode): New.
13165         (promote_mode): Keep only the FOR_CALL == 0 case.
13166         * combine.c (setup_incoming_promotion): Remove test of
13167         promote_function_args.  Use promote_function_mode.
13168         * stmt.c (expand_value_return): Use promote_decl_mode.
13169         (expand_decl): Use promote_decl_mode.
13170
13171         * explow.c (promote_function_mode): Just call the target hook.
13172         * targhooks.c (default_promote_function_mode,
13173         default_promote_function_mode_always_promote): New.
13174         * targhooks.h (default_promote_function_mode,
13175         default_promote_function_mode_always_promote): Declare.
13176         * target.h (promote_function_args, promote_function_return): Remove.
13177         (promote_function_mode): New.
13178         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
13179         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13180         (TARGET_PROMOTE_FUNCTION_MODE): New.
13181         (TARGET_CALLS): Adjust.
13182         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
13183         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
13184
13185         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
13186         * config/s390/s390.c (s390_promote_function_mode): ... here,
13187         with pointer handling.
13188         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13189         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13190
13191         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
13192         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
13193         with pointer handling.
13194         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13195         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13196
13197         * config/sh/sh-protos.h (sh_promote_function_mode): New.
13198         * config/sh/sh.c (sh_promote_function_mode): New.
13199         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13200         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13201
13202         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
13203         * config/cris/cris.c (cris_promote_function_mode): ... here.
13204         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13205         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
13206
13207         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
13208         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
13209         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13210         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
13211
13212         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
13213         * config/arm/arm.c (arm_promote_function_mode): ... here, without
13214         complex type handling.
13215         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13216         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13217
13218         * config/pa/pa.c (pa_promote_function_mode): New.
13219         (TARGET_PROMOTE_FUNCTION_MODE): Define.
13220         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13221
13222         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
13223         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
13224         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
13225         * config/xtensa/xtensa.c: Likewise.
13226         * config/stormy16/stormy16.c: Likewise.
13227         * config/iq2000/iq2000.c: Likewise.
13228         * config/rs6000/rs6000.c: Likewise.
13229         * config/picochip/picochip.c: Likewise.
13230         * config/arc/arc.c: Likewise.
13231         * config/mcore/mcore.c: Likewise.
13232         * config/score/score.c: Likewise.
13233         * config/mips/mips.c: Likewise.
13234         * config/bfin/bfin.c: Likewise.
13235         * config/ia64/ia64.c: Likewise (disabled though).
13236
13237         * config/frv/frv.h: Remove pointless remark.
13238
13239         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
13240         TARGET_PROMOTE_FUNCTION_ARGS,
13241         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
13242         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
13243
13244 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
13245
13246         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
13247         -floop-parallelize-all.
13248         * toplev.c (process_options): Rename flag_graphite_force_parallel to
13249         flag_loop_parallelize_all.
13250         * tree-ssa-loop.c (gate_graphite_transforms): Same.
13251         * graphite.c (graphite_transform_loops): Same.
13252         * common.opt: Same.
13253         * graphite-poly.c (apply_poly_transforms): Same.
13254
13255 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
13256
13257         PR tree-optimization/40914
13258         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
13259         if set, then check the delta field of the PMF record.
13260         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
13261         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
13262         call is stored in the delta.
13263
13264 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
13265
13266         * config/mips/mips.md (*clear_upper32_dext): New pattern.
13267
13268 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
13269
13270         * config/i386/bsd.h (ASM_BYTE): New define.
13271         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
13272         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
13273         .byte.  Use fputs or putc instead of fprintf where appropriate.
13274         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
13275         fputs or putc instead of fprintf where appropriate.
13276         * config/i386/i386elf.h: Ditto.
13277         * config/i386/sysv4.h: Ditto.
13278
13279         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
13280         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
13281         (*tls_global_dynamic_64): Ditto.
13282
13283 2009-07-31  Christian Bruel  <christian.bruel@st.com>
13284
13285         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
13286
13287 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13288
13289         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
13290         Remove dead code for MINUS.
13291
13292 2009-07-31  Anthony Green  <green@moxielogic.com>
13293
13294         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
13295         $r12 in prologue.
13296         (moxie_expand_epilogue): Ditto for epilogue.
13297         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
13298         incoming arguments.
13299         (moxie_function_arg): Ditto.
13300         (moxie_pass_by_reference): Ditto.
13301         (moxie_arg_partial_bytes): Ditto.
13302         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
13303         (FUNCTION_ARG_ADVANCE) Ditto.
13304         (REG_PARM_STACK_SPACE) Ditto.
13305         (FUNCTION_ARG_REGNO_P) Dito.
13306
13307         * config.gcc: Add moxie linux config support.
13308         * gcc/config/moxie/uclinux.h: New file.
13309
13310 2009-07-31  DJ Delorie  <dj@redhat.com>
13311
13312         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
13313         (UNSPECV_SP_SWITCH_E): New.
13314         (sp_switch_1): Change to an unspec.
13315         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
13316         replace $r15.
13317         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
13318         reference the new stack's address
13319
13320 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13321
13322         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
13323         graphite-clast-to-gimple.o, graphite-dependences.o,
13324         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
13325         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
13326         (graphite-blocking.o,
13327         graphite-clast-to-gimple.o, graphite-dependences.o,
13328         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
13329         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
13330         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
13331         * cfgloop.h (struct loop): Add can_be_parallel field.
13332         * common.opt (fgraphite-identity): Moved up.
13333         (fgraphite-force-parallel): New flag.
13334         * graphite.c: Rewrite.
13335         * graphite.h: Rewrite.
13336         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
13337         after Graphite.
13338         * toplev.c (graphite_out_file): New file descriptor.
13339         (graphite_in_file): New.
13340         (process_options): flag_graphite_force_parallel cannot be used without
13341         Graphite.
13342         * tree-ssa-loop.c: Include toplev.h.
13343         (gate_graphite_transforms): Enable flag_graphite for
13344         flag_graphite_force_parallel.
13345
13346 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13347
13348         * ChangeLog.graphite: New.
13349         * graphite-blocking.c: New.
13350         * graphite-clast-to-gimple.c: New.
13351         * graphite-clast-to-gimple.h: New.
13352         * graphite-dependences.c: New.
13353         * graphite-dependences.h: New.
13354         * graphite-interchange.c: New.
13355         * graphite-poly.c: New.
13356         * graphite-poly.h: New.
13357         * graphite-ppl.c: New.
13358         * graphite-ppl.h: New.
13359         * graphite-scop-detection.c: New.
13360         * graphite-scop-detection.h: New.
13361         * graphite-sese-to-poly.c: New.
13362         * graphite-sese-to-poly.h: New.
13363         * sese.c: New.
13364         * sese.h: New.
13365
13366 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13367
13368         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
13369         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
13370
13371 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13372
13373         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
13374         (scev_is_linear_expression): Return false if the evolution is not
13375         affine multivariate.
13376
13377 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13378
13379         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
13380         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
13381
13382 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13383
13384         * tree-data-ref.c (debug_data_references): New.
13385         (debug_data_reference): New.
13386         * tree-data-ref.h (debug_data_references): Declared.
13387         (debug_data_reference): Declared.
13388
13389 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13390
13391         * tree-data-ref.c (stmt_simple_memref_p: Removed.
13392         * tree-data-ref.h (scop_p): Removed.
13393         (struct data_reference): Remove field scop.
13394         (DR_SCOP): Removed.
13395         (stmt_simple_memref_p): Removed.
13396
13397 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13398
13399         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
13400         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
13401         basic block empty.
13402
13403 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13404
13405         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
13406
13407 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13408
13409         * doc/invoke.texi (-fgraphite-identity): Documented.
13410
13411 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13412
13413         * tree-scalar-evolution.c: Fix comment.
13414         (instantiate_scev_1): Return unknow from scev instantiation if the
13415         result is not above instantiate_below.
13416
13417 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
13418
13419         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
13420         static anymore.  Instantiate the symbols that may have been introduced
13421         by chrec_apply.
13422         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
13423         Declared.
13424
13425 2009-07-30  DJ Delorie  <dj@redhat.com>
13426
13427         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
13428         .vliw directive to VLIW sections.
13429
13430 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13431
13432         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
13433         New variables.
13434         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
13435         (AUTOHEADER): New variable.
13436         ($(srcdir)/cstamp-h.in): Use it.
13437
13438 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
13439             Pat Haugen  <pthaugen@us.ibm.com>
13440             Revital Eres <ERES@il.ibm.com>
13441
13442         * config/rs6000/vector.md (VEC_F): Add VSX support.
13443         (VEC_A): Ditto.
13444         (VEC_N): Ditto.
13445         (mov<mode>): Ditto.
13446         (vector_load_<mode>): Ditto.
13447         (vector_store_<mode>): Ditto.
13448         (vector GPR move split): Ditto.
13449         (vec_reload_and_plus_<mptrsize>): Ditto.
13450         (vec_reload_and_reg_<mptrsize>): Ditto.
13451         (add<mode>3): Ditto.
13452         (sub<mode>3): Ditto.
13453         (mul<mode>3): Ditto.
13454         (neg<mode>2): Ditto.
13455         (abs<mode>2): Ditto.
13456         (smin<mode>3): Ditto.
13457         (smax<mode>3): Ditto.
13458         (vector_eq<mode>): Ditto.
13459         (vector_gt<mode>): Ditto.
13460         (vector_ge<mode>): Ditto.
13461         (vector_gtu<mode>): Ditto.
13462         (vector_select_<mode>_uns): Ditto.
13463         (vector_eq_<mode>_p): Ditto.
13464         (vector_gt_<mode>_p): Ditto.
13465         (vector_ge_<mode>_p): Ditto.
13466         (vector_gtu_<mode>_p): Ditto.
13467         (cr6_test_for_zero): Ditto.
13468         (cr6_test_for_zero_reverse): Ditto.
13469         (cr6_test_for_lt): Ditto.
13470         (cr6_test_for_lt_reverse): Ditto.
13471         (xor<mode>3): Ditto.
13472         (ior<mode>3): Ditto.
13473         (and<mode>3): Ditto.
13474         (one_cmpl<mode>2): Ditto.
13475         (nor<mode>2): Ditto.
13476         (andc<mode>2): Ditto.
13477         (float<VEC_int<mode>2): Ditto.
13478         (unsigned_float<VEC_int><mode>2): Ditto.
13479         (fix_trunc<mode><VEC_int>2): Ditto.
13480         (fixuns_trunc<mode><VEC_int>2): Ditto.
13481         (vec_init<mode>):
13482         (vec_set<mode>): Ditto.
13483         (vec_extract<mode>): Ditto.
13484         (vec_interleave_highv4sf): Ditto.
13485         (vec_interleave_lowv4sf): Ditto.
13486         (vec_realign_load_<mode>): Ditto.
13487         (vec_shl_<mode>): Ditto.
13488         (vec_shr_<mode>): Ditto.
13489         (div<mode>3): New patterns for VSX.
13490         (vec_interleave_highv2df): Ditto.
13491         (vec_interleave_lowv2df): Ditto.
13492         (vec_pack_trunc_v2df): Ditto.
13493         (vec_pack_sfix_trunc_v2df): Ditto.
13494         (vec_pack_ufix_trunc_v2df): Ditto.
13495         (vec_unpacks_hi_v4sf): Ditto.
13496         (vec_unpacks_lo_v4sf): Ditto.
13497         (vec_unpacks_float_hi_v4si): Ditto.
13498         (vec_unpacks_float_lo_v4si): Ditto.
13499         (vec_unpacku_float_hi_v4si): Ditto.
13500         (vec_unpacku_float_lo_v4si): Ditto.
13501         (movmisalign<mode>): Ditto.
13502         (vector_ceil<mode>2): New patterns for vectorizing math library.
13503         (vector_floor<mode>2): Ditto.
13504         (vector_btrunc<mode>2): Ditto.
13505         (vector_copysign<mode>3): Ditto.
13506
13507         * config/rs6000/predicates.md (easy_vector_constant_msb): New
13508         predicate for setting the high bit in each word, used for copysign.
13509
13510         * config/rs6000/ppc-asm.h (f19): Whitespace.
13511         (f32-f63): Define if VSX.
13512         (v0-v31): Define if Altivec.
13513         (vs0-vs63): Define if VSX.
13514
13515         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
13516
13517         * config/rs6000/power7.md: New file, provide tuning parameters for
13518         -mcpu=power7.
13519
13520         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
13521         (rs6000_cpu_cpp_builtins): Ditto.
13522         (altivec_overloaded_builtins): Ditto.
13523         (altivec_resolve_overloaded_builtin): Ditto.
13524
13525         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
13526         debug switch to disable vectorizing simple math builtin
13527         functions.
13528
13529         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
13530         Vectorize simple math builtin functions.
13531         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
13532         hook to vectorize math builtins.
13533         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
13534         (rs6000_builtin_conversion): Add VSX/power7 support.
13535         (rs6000_builtin_vec_perm): Ditto.
13536         (vsplits_constant): Add support for loading up a vector constant
13537         with just the high bit set in each part.
13538         (rs6000_expand_vector_init): Add VSX/power7 support.
13539         (rs6000_expand_vector_set): Ditto.
13540         (rs6000_expand_vector_extract): Ditto.
13541         (rs6000_emit_move): Ditto.
13542         (bdesc_3arg): Ditto.
13543         (bdesc_2arg): Ditto.
13544         (bdesc_1arg): Ditto.
13545         (rs6000_expand_ternop_builtin): Ditto.
13546         (altivec_expand_builtin): Ditto.
13547         (rs6000_expand_unop_builtin): Ditto.
13548         (rs6000_init_builtins): Ditto.
13549         (altivec_init_builtins): Ditto.
13550         (builtin_function_type): Ditto.
13551         (rs6000_common_init_builtins): Ditto.
13552         (rs6000_handle_altivec_attribute); Ditto.
13553         (rs6000_mangle_type): Ditto.
13554         (rs6000_vector_mode_supported_p): Ditto.
13555         (rs6000_mode_dependent_address): Altivec addresses with AND -16
13556         are mode dependent.
13557
13558         * config/rs6000/vsx.md: New file for VSX support.
13559
13560         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
13561         identifing values with just the most significant bit set.
13562         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
13563         vectorized builtins.
13564
13565         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
13566         (UNSPEC_VRFIM): Delete.
13567         (splitter for loading up vector with most significant bit): New
13568         splitter for vectorizing copysign.
13569         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
13570         vectorizing simple math functions.
13571         (altivec_vrfip): Add support for vectorizing simple math functions.
13572         (altivec_vrfim): Ditto.
13573         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
13574
13575         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
13576         (power7.md, vsx.md): Include for power7 support.
13577         (copysigndf3): Use VSX instructions if -mvsx.
13578         (negdf2_fpr): Ditto.
13579         (absdf2_fpr): Ditto.
13580         (nabsdf2_fpr): Ditto.
13581         (adddf3_fpr): Ditto.
13582         (subdf3_fpr): Ditto.
13583         (muldf3_fpr): Ditto.
13584         (divdf3_fpr): Ditto.
13585         (fix_truncdfdi2_fpr): Ditto.
13586         (cmpdf_internal1): Ditto.
13587         (fred, fred_fpr): Convert into expander/insn to add VSX support.
13588         (btruncdf2, btruncdf2_fpr): Ditto.
13589         (ceildf2, ceildf2_fpr): Ditto.
13590         (floordf2, floordf2_fpr): Ditto.
13591         (floatdidf2, floatdidf2_fpr): Ditto.
13592         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
13593         (fmsubdf4_fpr): Ditto.
13594         (fnmadddf4_fpr_1): Ditto.
13595         (fnmadddf4_fpr_2): Ditto.
13596         (fnmsubdf4_fpr_1): Ditto.
13597         (fnmsubdf4_fpr_2): Ditto.
13598         (fixuns_truncdfdi2): Add expander for VSX support.
13599         (fix_truncdfdi2): Ditto.
13600         (fix_truncdfsi2): Ditto.
13601         (ftruncdf2): Ditto.
13602         (btruncsf2): Whitespace.
13603         (movdf_hardfloat32): Add support for VSX registers.
13604         (movdf_softfloat32): Ditto.
13605         (movdf_hardfloat64): Ditto.
13606         (movdf_hardfloat64_mfpgpr): Ditto.
13607         (movdf_softfloat64): Ditto.
13608         (movti splitters): Add check for vector registers supporting
13609         TImode in the future.
13610         (bpermd): Add power7 bpermd instruction.
13611
13612         * config/rs6000/altivec.h (vec_div): Define if VSX.
13613         (vec_mul): Ditto.
13614         (vec_msub): Ditto.
13615         (vec_nmadd): Ditto.
13616         (vec_nearbyint): Ditto.
13617         (vec_rint): Ditto.
13618         (vec_sqrt): Ditto.
13619         (all predicates): Use the generic builtin function, and not the V4SF
13620         specific function so that the predicates will work with VSX's V2DF.
13621         (vec_all_*): Ditto.
13622         (vec_any_*): Ditto.
13623
13624         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
13625         Document new VSX functions and types.
13626
13627         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
13628         switches.
13629
13630         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
13631         "wa", and "j" constraints.  Modify "v" to talk about Altivec
13632         instead of just vector.
13633
13634 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
13635
13636         PR debug/26475
13637         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
13638         location for phi arguments.
13639         (rewrite_update_phi_arguments): Find locations for reaching defs.
13640         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
13641         Add location to add_phi_arg calls.
13642         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
13643         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
13644         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
13645         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
13646         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
13647         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
13648         * tree-phinodes.c (make_phi_node): Initialize location.
13649         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
13650         (add_phi_arg): Add location parameter.
13651         (remove_phi_arg_num): Move location when moving phi argument.
13652         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
13653         location.
13654         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
13655         slpeel_update_phi_nodes_for_guard1,
13656         slpeel_update_phi_nodes_for_guard2,
13657         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
13658         vect_loop_versioning): Set locations.
13659         * tree-parloops.c (create_phi_for_local_result,
13660         transform_to_exit_first_loop, create_parallel_loop): Add locations.
13661         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
13662         * tree-vect-loop.c (get_initial_def_for_induction,
13663         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
13664         locations.
13665         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
13666         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
13667         (gimple_phi_arg_set_location): New.  Set locus.
13668         (gimple_phi_arg_has_location): New.  Check for locus.
13669         (redirect_edge_var_map_location): New.  Return locus from var_map.
13670         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
13671         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
13672         combining PHI arguments.
13673         (cond_store_replacement): Set location.
13674         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
13675         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
13676         scop_add_exit_phis_edge): Add locations.
13677         * tree-cfgcleanup.c (remove_forwarder_block,
13678         remove_forwarder_block_with_phi): Add locations.
13679         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
13680         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
13681         locations.
13682         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
13683         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
13684         flush_pending_stmts): Add source location.
13685         * lambda-code.c (perfect_nestify): Maintain location stack with argument
13686         stack to preserve locations.
13687         * tree-vect-stmts.c (vectorizable_load): Add location.
13688         * tree-inline.c (copy_phis_for_bb): Copy locus.
13689         (setup_one_parameter): Add call locus to inlined parameter stmts.
13690         (initialize_inlined_parameters): Pass in call location as parameter
13691         assignment locus.
13692         (tree_function_versioning): Pass location to setup_one_parameter.
13693         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
13694         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
13695         copy and edge lists.
13696         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
13697         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
13698         locus parameter and override the stmt default if provided.
13699         (new_elim_graph, clear_elim_graph, delete_elim_graph,
13700         elim_graph_add_edge, elim_graph_remove_succ_edge,
13701         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
13702         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
13703         eliminate_phi):  Add locus info in elimination graph for each edge and
13704         value copy.
13705         (insert_backedge_copies): Copy locus if present.
13706         * tree-flow.h (struct _edge_var_map): Add locus field.
13707         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
13708         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
13709         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
13710         locations.
13711         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
13712
13713 2009-07-30  Martin Jambor  <mjambor@suse.cz>
13714
13715         PR tree-optimization/40570
13716         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
13717         use inlining loops.
13718
13719 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
13720
13721         * ssa-loop-manip.c: Include langhooks.h.
13722         (rewrite_phi_with_iv): New.
13723         (rewrite_all_phi_nodes_with_iv): New.
13724         (canonicalize_loop_ivs): Move here from tree-parloops.c.
13725         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
13726         * tree-parloops.c (loop_parallel_p): Move out all conditions
13727         except dependency check.
13728         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
13729         (gen_parallel_loop): Call canonicalize_loop_ivs without
13730         reduction_list argument.
13731         (build_new_reduction): New.
13732         (gather_scalar_reductions): New.
13733         (try_get_loop_niter): New.
13734         (try_create_reduction_list): New.
13735         (parallleize_loops): Change the parallel conditions check.
13736         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
13737         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
13738
13739 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
13740
13741         * opt-functions.awk (opt_args): Allow argument to be enclosed in
13742         curly braces.
13743         * doc/options.texi (Option properties):  Mention new quoting syntax.
13744
13745 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13746
13747         * config/alpha/alpha.c (alpha_start_function):
13748         Handle VMS_DEBUG_MAIN_POINTER
13749         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
13750         * doc/invoke.texi: Document -mdebug-main switch.
13751
13752 2009-07-29  Richard Henderson  <rth@redhat.com>
13753
13754         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
13755         (cgraph_create_edge_including_clones): Likewise.
13756         * tree-inline.c (copy_bb): Operate on the correct edges
13757         when updating the callgraph.
13758
13759 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13760
13761         * config/alpha/vms-cc.c: Deleted.
13762         * config/alpha/vms-ld.c: Deleted.
13763         * config/alpha/t-vms64: Moved to config/vms
13764         * config/alpha/vms-crt0-64.c: Moved to config/vms
13765         * config/alpha/vms-crt0.c: Moved to config/vms
13766         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
13767         * config/alpha/vms-psxcrt0.c: Moved to config/vms
13768         * config/alpha/xm-vms.h: Moved to config/vms
13769         * config/alpha/x-vms: Moved to config/vms
13770         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
13771         config/vms/t-vms.
13772         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
13773         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
13774         (version): Set.
13775         * config/vms/t-vms64: Moved here from config/alpha
13776         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
13777         (argc,argv,envp): Enforce 32bit malloc'ing.
13778         * config/vms/vms-psxcrt0-64.c: Likewise.
13779         * config/vms/vms-crt0.c: Moved here from config/alpha.
13780         * config/vms/vms-psxcrt0.c: Likewise.
13781         * config/vms/vms-crtl-64.h: New file.
13782         * config/vms/vms-crtl.h: New file.
13783         * config/vms/vms.opt: New file.
13784         * config/vms/xm-vms64.h: New file.
13785         * config/vms/xm-vms.h: Moved here from config/alpha.
13786         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
13787         Set.
13788         * config/vms/x-vms: Moved here from config/alpha.
13789         (version, VMS_EXTRA_PARTS): Moved to t-vms.
13790         (vms-ld.o, vms-cc.o): Removed.
13791         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
13792
13793 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13794
13795         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
13796         correct stack (obvious VMS fix).
13797
13798 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
13799
13800         * dwarf2out.c (output_file_names): Output VMS style file name, size,
13801         date, version info if VMS_DEBUGGING_INFO defined.
13802         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
13803         size, date calculating code moved here.
13804
13805 2009-07-29  Paul Brook  <paul@codesourcery.com>
13806
13807         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
13808         do_push/do_pop.
13809
13810 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
13811
13812         PR target/40577
13813         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
13814         to DImode when generating insq_le insn.
13815
13816 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
13817
13818         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
13819         New macro set for VMS_DEBUGGGING_INFO.
13820         (AT_string_form): Use it.
13821
13822 2009-07-28  DJ Delorie  <dj@redhat.com>
13823
13824         * config/mep/mep.c (vtext_section): New.
13825         (vftext_section): New.
13826         (ftext_section): New.
13827         (mep_select_section): Add support for functions.
13828         (mep_unique_section): Likewise.
13829         (mep_asm_init_sections): Likewise.
13830         (mep_encode_section_info): Remove it from here.
13831
13832         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
13833
13834 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
13835
13836         * tree.h (TREE_DEPRECATED): Document it is used for types too.
13837         (TYPE_VECTOR_OPAQUE): Use default_def_flag
13838
13839 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
13840
13841         * dwarf2out.c (output_file_names): Test new macro
13842         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
13843         (add_comp_dir_attribute): Likewise.
13844
13845 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
13846
13847         * config/i386/mingw-w64.h (LINK_SPEC): Add
13848         separating space between commands.
13849
13850 2009-07-28  Jan Hubicka  <jh@suse.cz>
13851
13852         PR tree-optimization/40759
13853         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
13854         for renaming.
13855
13856 2009-07-27  DJ Delorie  <dj@redhat.com>
13857
13858         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
13859         types are dword-aligned.
13860         (mep_expand_va_start): Likewise.
13861
13862 2009-07-27  Olivier Hainque  <hainque@adacore.com>
13863             Douglas B Rupp  <rupp@gnat.com>
13864
13865         * convert.c (convert_to_pointer): Don't assume the target
13866         pointer type is POINTER_SIZE long. Fetch its precision instead.
13867
13868 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
13869
13870         * system.h (fopen): Undefine if macro.
13871
13872 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
13873
13874         * dwarf2out.c (output_cfi_p): Removed.
13875         (output_cfis): New function.
13876         (output_fde): New function, split from output_call_frame_info.
13877         (output_call_frame_info): Use it.
13878         (dwarf2out_switch_text_section): Use output_cfis.
13879
13880 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
13881
13882         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
13883         TARGET_BI_ARCH is specified without enabling SJLJ.
13884         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
13885         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
13886
13887 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
13888
13889         * arm.md (negdi2): Use DImode if forcing a value into a register.
13890
13891 2009-07-26  Ira Rosen  <irar@il.ibm.com>
13892
13893         PR tree-optimization/40801
13894         * tree-vect-stmts.c (vectorizable_call): Get previous copy
13895         of vector operand from the previous copy of vector statement.
13896         Pass the correct definition type value to
13897         vect_get_vec_def_for_stmt_copy().
13898
13899 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13900
13901         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
13902         const char ** conversion.
13903
13904 2009-07-25 David Daney <ddaney@caviumnetworks.com>
13905
13906         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
13907         fancy_abort() if !ENABLE_ASSERT_CHECKING.
13908         (gcc_unreachable): Invoke __builtin_unreachable() if
13909         !ENABLE_ASSERT_CHECKING.
13910
13911 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
13912
13913         PR rtl-optimization/40445
13914         * emit-rtl.c (next_nonnote_insn_bb): New function.
13915         * rtl.h (next_nonnote_insn_bb): Declare new function.
13916         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
13917         with no successors that is the successor of the ENTRY_BLOCK.
13918         Continue from the top after removing an empty fallthrough block.
13919         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
13920         of next_nonnote_insn.
13921
13922 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
13923
13924         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
13925
13926 2009-07-25  Martin Jambor  <mjambor@suse.cz>
13927
13928         * c-common.c (c_common_attribute_table): New element for noclone.
13929         (handle_noclone_attribute): New function. Forward-declare.
13930         * tree-inline.c (tree_versionable_function_p): Check for noclone
13931         attribute.
13932         * doc/extend.texi (Labels as Values): Document need for noclone.
13933         (Function Attributes): Document noclone attribute.
13934
13935 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
13936
13937         PR rtl-optimization/34999
13938         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
13939         and dw_fde_switched_cold_to_hot fields.
13940         (output_cfi_p): New function.
13941         (output_call_frame_info): If fde->dw_fde_switched_sections,
13942         output 2 FDEs instead of one with corrupted header.
13943         (dwarf2out_do_cfi_startproc): New function.
13944         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
13945         and fde->dw_fde_switched_cold_to_hot.
13946         (dwarf2out_switch_text_section): Compute
13947         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
13948         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
13949         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
13950         Otherwise, compute fde->dw_fde_switch_cfi.
13951
13952 2009-07-24  Cary Coutant  <ccoutant@google.com>
13953
13954         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
13955
13956 2009-07-24  Cary Coutant  <ccoutant@google.com>
13957
13958         * cfghooks.c (split_block): Copy discriminator to new block.
13959         * tree-cfg.c (assign_discriminator): Check location of last
13960         instruction in block as well as first.
13961
13962 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
13963
13964         * config/i386/linux.c: Use fputs or putc instead of fprintf
13965         where appropriate.
13966         * config/i386/gas.h: Ditto.
13967         * config/i386/x86-64.h: Ditto.
13968         * config/i386/att.h: Ditto.
13969
13970 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
13971
13972         * expmed.c (emit_store_flag): Use a recursive call to optimize the
13973         xor case.
13974
13975 2009-07-24  Martin Jambor  <mjambor@suse.cz>
13976
13977         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
13978         (ipa_push_func_to_list_1): Declare.
13979         (ipa_push_func_to_list): New function.
13980
13981         * ipa-prop.c (ipa_push_func_to_list_1): New function.
13982         (ipa_init_func_list): Call ipa_push_func_to_list_1.
13983         (ipa_push_func_to_list): Removed.
13984         (ipa_pop_func_from_list): Clear node_enqueued flag.
13985
13986 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
13987
13988         * config/s390/s390.c (override_options): Default
13989         max-unrolled-insns to 100 for z10 tuning.
13990
13991 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
13992
13993         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
13994         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
13995         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
13996         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
13997         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
13998         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
13999         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
14000
14001 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
14002
14003         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
14004         use default set in mingw32.h header.
14005         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
14006         64-bit /mingw/include path.
14007         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
14008         path.
14009
14010 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
14011
14012         PR rtl-optimization/40209
14013         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
14014
14015 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
14016
14017         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
14018         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
14019         with the rest of string where appropriate.  Use fputs or putc
14020         instead of fprintf where appropriate.
14021
14022 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
14023             Pat Haugen  <pthaugen@us.ibm.com>
14024             Revital Eres <ERES@il.ibm.com>
14025
14026         * config/rs6000/vector.md: New file.  Move most of the vector
14027         expander support here from altivec.md to allow for the VSX vector
14028         unit in the future.  Add support for secondary_reload patterns.
14029         Rewrite the patterns for vector comparison, and vector comparison
14030         predicate instructions so that the RTL expresses the desired
14031         behavior, instead of using unspec.
14032
14033         * config/rs6000/constraints.md ("f" constraint): Use
14034         rs6000_constraints to hold the precalculated register class.
14035         ("d" constraint): Ditto.
14036         ("wd" constraint): New constraint for VSX.
14037         ("wf" constraint): Ditto.
14038         ("ws" constraint): Ditto.
14039         ("wa" constraint): Ditto.
14040         ("wZ" constraint): Ditto.
14041         ("j" constraint): Ditto.
14042
14043         * config/rs6000/predicates.md (vsx_register_operand): New
14044         predicate for VSX.
14045         (vfloat_operand): New predicate for vector.md.
14046         (vint_operand): Ditto.
14047         (vlogical_operand): Ditto.
14048         (easy_fp_constant): If VSX, 0.0 is an easy constant.
14049         (easy_vector_constant): Add VSX support.
14050         (altivec_indexed_or_indirect_operand): New predicate for
14051         recognizing Altivec style memory references with AND -16.
14052
14053         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
14054         for vector secondary reload support.
14055         (rs6000_vector_reg_class): Delete, replacing it with
14056         rs6000_constraints.
14057         (rs6000_vsx_reg_class): Ditto.
14058         (rs6000_constraints): New array to hold the register classes of
14059         each of the register constraints that can vary at runtime.
14060         (builtin_mode_to_type): New static array for builtin function type
14061         creation.
14062         (builtin_hash_table): New static hash table for builtin function
14063         type creation.
14064         (TARGET_SECONDARY_RELOAD): Define target hook.
14065         (TARGET_IRA_COVER_CLASSES): Ditto.
14066         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
14067         registers are 128 bits if VSX memory reference instructions are used.
14068         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
14069         unit is being used.
14070         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
14071         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
14072         Print several of the scheduling related parameters.
14073         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
14074         rs6000_constraints instead of rs6000_vector_reg_class.  Move
14075         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
14076         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
14077         Altivec.  Add VSX support.  Setup for secondary reload support on
14078         Altivec/VSX registers.
14079         (rs6000_override_options): Make power7 set the scheduling groups
14080         like the power5.  Add support for new debug switches to override
14081         the scheduling defaults.  Temporarily disable -mcpu=power7 from
14082         setting -mvsx.  Add support for debug switches -malways-hint,
14083         -msched-groups, and -malign-branch-targets.
14084         (rs6000_buitlin_conversion): Add support for returning unsigned
14085         vector conversion functions to fix regressions due to stricter
14086         type checking.
14087         (rs6000_builtin_mul_widen_even): Ditto.
14088         (rs6000_builtin_mul_widen_odd): Ditto.
14089         (rs6000_builtin_vec_perm): Ditto.
14090         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
14091         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
14092         to zero a register.
14093         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
14094         generated upstream.
14095         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
14096         VSX types for bit operations.  Changes to accomidate vector.md.
14097         (bdesc_2arg): Ditto.
14098         (bdesc_1arg): Ditto.
14099         (struct builtin_description_predicates): Rewrite predicate
14100         handling so that RTL describes the operation, instead of passing
14101         the instruction to be used as a string argument.
14102         (bdesc_altivec_preds): Ditto.
14103         (altivec_expand_predicate_builtin): Ditto.
14104         (altivec_expand_builtin): Ditto.
14105         (rs6000_expand_ternop_builtin): Use a switch instead of an if
14106         statement for vsldoi support.
14107         (altivec_expand_ld_builtin): Change to use new names from vector.md.
14108         (altivec_expand_st_builtin): Ditto.
14109         (paired_expand_builtin): Whitespace changes.
14110         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
14111         builtin_mode_to_type table for secondary reload.  Call
14112         builtin_function_type to build random builtin functions.
14113         (altivec_init_builtins): Change to use builtin_function_type to
14114         create builtin function types dynamically as we need them.
14115         (builtin_hash_function): New support for hashing the tree types
14116         for builtin function as we need it, rather than trying to build
14117         all of the trees that we need.  Add initial preliminary VSX support.
14118         (builtin_function_type): Ditto.
14119         (builtin_function_eq): Ditto.
14120         (builtin_hash_struct): Ditto.
14121         (rs6000_init_builtins): Ditto.
14122         (rs6000_common_init_builtins): Ditto.
14123         (altivec_init_builtins): Ditto.
14124         (rs6000_common_init_builtins): Ditto.
14125         (enum reload_reg_type): New enum for simplifing reg classes.
14126         (rs6000_reload_register_type): Simplify register classes into GPR,
14127         Vector, and other registers.  Altivec and VSX addresses in reload.
14128         (rs6000_secondary_reload_inner): Ditto.
14129         (rs6000_ira_cover_classes): New target hook, that returns the
14130         appropriate cover classes, based on -mvsx being used or not.
14131         (rs6000_secondary_reload_class): Add VSX support.
14132         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
14133         (get_vsel_insn): Ditto.
14134         (rs6000_emit_vector_compare): Rewrite vector conditional support
14135         so that where we can, we use RTL operators, instead of blindly use
14136         UNSPEC.
14137         (rs6000_emit_vector_select): Ditto.
14138         (rs6000_emit_vector_cond_expr): Ditto.
14139         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
14140         (create_TOC_reference): Add -mdebug=addr support.
14141         (emit_frame_save): VSX loads/stores need register indexed addressing.
14142
14143         * config/rs6000/rs6000.md: Include vector.md.
14144
14145         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
14146
14147         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
14148         support for V2DI, V2DF in logical, permute, select operations.
14149
14150         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
14151         switch for vsx/power7.
14152         (-mvsx-scalar-memory): Ditto.
14153         (-mvsx-align-128): Ditto.
14154         (-mallow-movmisalign): Ditto.
14155         (-mallow-df-permute): Ditto.
14156         (-msched-groups): Ditto.
14157         (-malways-hint): Ditto.
14158         (-malign-branch-targets): Ditto.
14159
14160         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
14161         hook instead.
14162         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
14163         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
14164         (rs6000_vector_reg_class): Delete.
14165         (rs6000_vsx_reg_class): Ditto.
14166         (enum rs6000_reg_class_enum): New enum for the constraints that
14167         vary based on target switches.
14168         (rs6000_constraints): New array to hold the register class for all
14169         of the register constraints that vary based on the switches used.
14170         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
14171         (enum rs6000_builtins): Add unsigned varients for the builtin
14172         declarations returned by target hooks for expanding multiplies,
14173         select, and permute operations.  Add VSX builtins.
14174         (enum rs6000_builtin_type_index): Add entries for VSX.
14175         (V2DI_type_node): Ditto.
14176         (V2DF_type_node): Ditto.
14177         (unsigned_V2DI_type_node): Ditto.
14178         (bool_long_type_node): Ditto.
14179         (intDI_type_internal_node): Ditto.
14180         (uintDI_type_internal_node): Ditto.
14181         (double_type_internal_node): Ditto.
14182
14183         * config/rs6000/altivec.md (whole file): Move all expanders to
14184         vector.md from altivec.md.  Rename insn matching functions to be
14185         altivec_foo.
14186         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
14187         (altivec_vcmp*): Ditto.
14188         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
14189         (VM): New iterator for moves that includes the VSX types.
14190         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
14191         (altivec_vperm_<mode>_uns): New, for unsigned types.
14192         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
14193         (altivec_eq<mode>): Ditto.
14194         (altivec_gt<mode>): Ditto.
14195         (altivec_gtu<mode>): Ditto.
14196         (altivec_eqv4sf): Ditto.
14197         (altivec_gev4sf): Ditto.
14198         (altivec_gtv4sf): Ditto.
14199         (altivec_vcmpbfp_p): Ditto.
14200
14201 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
14202
14203         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
14204         unsigned HWI.
14205
14206 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
14207
14208         PR target/40832
14209         * config/i386/i386.c (output_387_ffreep): Rewrite to use
14210         ASM_SHORT instead of .word.
14211         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
14212         instead of .word in asm template.
14213
14214 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
14215
14216         PR target/37488
14217         * ira-lives.c (bb_has_abnormal_call_pred): New function.
14218         (process_bb_node_lives): Use it.
14219
14220         * ira.c (setup_cover_and_important_classes): Don't setup
14221         ira_important_class_nums.  Add cover classes to the end of
14222         important classes.
14223         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
14224         New.
14225         (find_reg_class_closure): Use reorder_important_classes.
14226
14227         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
14228
14229         * config/i386/i386.c (i386_ira_cover_classes): New function.
14230         (TARGET_IRA_COVER_CLASSES): Redefine.
14231
14232         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
14233         importance of order of cover classes in the array.
14234
14235 2009-07-22  Diego Novillo  <dnovillo@google.com>
14236
14237         * tree-pass.h (TDF_EH): Define.
14238         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
14239         contains TDF_EH, print the EH region number holding GS.
14240         * tree-dump.c (dump_options): Add "eh".
14241         * doc/invoke.texi: Document it.
14242
14243 2009-07-22  Doug Kwan  <dougkwan@google.com>
14244
14245         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
14246
14247 2009-07-22  Michael Matz  <matz@suse.de>
14248
14249         PR tree-optimization/35229
14250         PR tree-optimization/39300
14251
14252         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
14253         (inhibit_phi_insertion): New function.
14254         (insert_into_preds_of_block): Call it for REFERENCEs.
14255         (init_pre): Initialize and finalize scalar evolutions.
14256         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
14257
14258 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
14259
14260         * config/i386/predicates.md (zero_extended_scalar_load_operand):
14261         Use CONST_VECTOR_NUNITS to determine number of elements.
14262
14263 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
14264
14265         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
14266         (U, W): Constraints are now deprecated and will be removed if we
14267         run out of letters.
14268         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
14269         the file.
14270         ("prefetch"): Add the stcmh instruction for prefetching.
14271         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
14272         changes.
14273         (s390_short_displacement): Return always true if compiling for
14274         machines not providing the long displacement facility.
14275         (s390_mem_constraint): Support the new constraint letter Z.
14276         (s390_check_qrst_address): New function.
14277
14278 2009-07-21  DJ Delorie  <dj@redhat.com>
14279
14280         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
14281         alone too.
14282
14283 2009-07-21  Jason Merrill  <jason@redhat.com>
14284
14285         * c-common.c (max_tinst_depth): Increase default to 1024.
14286
14287 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
14288
14289         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
14290         (vec_unpacku_float_lo_v4si): Ditto.
14291
14292 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
14293
14294         PR target/40811
14295         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
14296         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
14297         (builtin_description): Add __builtin_ia32_cvtudq2ps.
14298         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
14299
14300 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
14301
14302         PR tree-optimization/40813
14303         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
14304         it.
14305
14306 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
14307
14308         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
14309         with a NOP_EXPR if needed.
14310
14311 2009-07-21  Paul Brook <paul@codesourcery.com>
14312
14313         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
14314         Terminate debug dump with newline.
14315
14316 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14317
14318         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
14319         Cast "1" to unsigned HOST_WIDE_INT.
14320         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
14321         deposit length to the maximum length - lsb.  Extend length if
14322         HOST_BITS_PER_WIDE_INT is 32.
14323
14324 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
14325
14326         * cgraph.h (constant_pool_htab): New function.
14327         (constant_descriptor_tree): Move from varasm.c.
14328         * varasm.c (constant_pool_htab): New function.
14329         (constant_descriptor_tree): Move to cgraph.h.
14330
14331 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
14332
14333         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
14334
14335 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
14336
14337         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
14338         $(VARRAY_H).
14339
14340 2009-07-20  Xinliang David Li  <davidxl@google.com>
14341
14342         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
14343
14344 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
14345
14346         * config/mips/mips.md (move_type): Add arith.
14347         (type): Handle arith.
14348         (zero_extendsidi2): Rename this into ...
14349         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
14350         (zero_extendsidi2): New expander.
14351         (*zero_extendsidi2_dext): New pattern.
14352
14353 2009-07-20  Nick Clifton  <nickc@redhat.com>
14354
14355         * config.gcc (mips64-*-*): Add definition of tm_defines in order
14356         to set MIPS_ABI_DEFAULT.
14357         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
14358
14359 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
14360
14361         * tree-object-size.c (addr_object_size): Handle unions with
14362         array in it as last field of structs in __bos (, 1) as __bos (, 0).
14363
14364         PR tree-optimization/40792
14365         * tree.c (build_function_type_skip_args): Remove bogus assert.
14366
14367 2009-07-20  Jan Hubicka  <jh@suse.cz>
14368             Martin Jambor  <mjambor@suse.cz>
14369
14370         * cgraph.h (combined_args_to_skip): New field.
14371         * cgraph.c (cgraph_create_virtual_clone): Properly handle
14372         combined_args_to_skip and args_to_skip.
14373         * tree-inline.c (update_clone_info): New function.
14374         (tree_function_versioning): Call update_clone_info.
14375         * cgraphunit.c (cgraph_materialize_clone): Dump materialized
14376         functions.
14377         (cgraph_materialize_all_clones): More extensive dumping, working
14378         with combined_args_to_skip rather than args_to_skip.
14379
14380 2009-07-20  Ira Rosen  <irar@il.ibm.com>
14381
14382         * tree-vectorizer.h (vectorizable_condition): Add parameters.
14383         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
14384         (get_initial_def_for_reduction): Likewise.
14385         (vectorizable_reduction): Skip the check of first operand in case
14386         of COND_EXPR. Add check that it is outer loop vectorization if
14387         nested cycle was detected. Call vectorizable_condition() for
14388         COND_EXPR. If reduction epilogue cannot be created do not fail for
14389         nested cycles (if it is not double reduction). Assert that there
14390         is only one type in the loop in case of COND_EXPR. Call
14391         vectorizable_condition() to vectorize COND_EXPR.
14392         * tree-vect-stmts.c (vectorizable_condition): Update comment.
14393         Add parameters. Allow nested cycles if called from
14394         vectorizable_reduction(). Use reduction vector variable if provided.
14395         (vect_analyze_stmt): Call vectorizable_reduction() before
14396         vectorizable_condition().
14397         (vect_transform_stmt): Update call to vectorizable_condition().
14398
14399 2009-07-20  Christian Bruel  <christian.bruel@st.com>
14400
14401         * config/sh/sh.opt (-mfmovd): Resurrect and document.
14402         * doc/invoke.texi (-mfmovd): Likewise.
14403         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
14404
14405 2009-07-20  Jan Hubicka  <jh@suse.cz>
14406
14407         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
14408         when handling SSA name.
14409
14410 2009-07-19  Jan Hubicka  <jh@suse.cz>
14411
14412         PR tree-optimization/40676
14413         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
14414         virtual PHIs in empty BBs.
14415
14416 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14417
14418         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
14419         re-expanded the compound use gen_lowpart instead to convert to the
14420         desired mode.
14421
14422 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14423
14424         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
14425         OUTER_CONST arguments.
14426         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
14427         the new wider mode will be masked off.
14428         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
14429
14430 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14431
14432         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
14433         high-order bits are zero.
14434
14435 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
14436
14437         * combine.c (simplify_shift_const_1): Split code to determine
14438         shift_mode into ...
14439         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
14440         new bits shifted in are identical to the old sign bit.
14441
14442 2009-07-18  Richard Guenther  <rguenther@suse.de>
14443
14444         PR c/40787
14445         * gimplify.c (gimplify_call_expr): Reject code using results from
14446         functions returning void.
14447
14448 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
14449
14450         * doc/md.texi: Document the new PowerPC "es" constraint.
14451         Document that "m" can include automodified addresses on this target,
14452         and explain how %U must be used.  Extend the "Q" and "Z" documentation
14453         to suggest "es" as well as "m".
14454         * config/rs6000/constraints.md (es): New memory constraint.
14455         (Q, Z): Update strings to match new documentation.
14456
14457 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
14458
14459         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
14460         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
14461         * config/rs6000/predicates.md (volatile_mem_operand): Use
14462         offsettable_nonstrict_memref_p.
14463         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
14464         (*floatunssidf2_internal): Likewise.
14465         (*fix_truncdfsi2_internal): Likewise.
14466         (*fix_trunctfsi2_internal): Likewise.
14467
14468 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
14469
14470         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
14471         atmega32u2 devices.
14472         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
14473
14474 2009-07-17  Richard Guenther  <rguenther@suse.de>
14475
14476         PR c/40401
14477         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
14478         (pass_warn_unused_result): Likewise.
14479         (TODO_set_props): Remove.
14480         * omp-low.c (diagnose_omp_structured_block_errors): Change to
14481         run as a pass.
14482         (pass_diagnose_omp_blocks): Define.
14483         * c-decl.c (pop_file_scope): Do not finalize the CU here.
14484         (c_gimple_diagnostics_recursively): Remove.
14485         (finish_function): Do not call it.
14486         (c_write_global_declarations): Continue after errors.
14487         Finalize the CU here.
14488         * c-gimplify.c (c_genericize): Do not gimplify here.
14489         * c-common.c (c_warn_unused_result): Move ...
14490         * tree-cfg.c (do_warn_unused_result): ... here.
14491         (run_warn_unused_result): New function.
14492         (gate_warn_unused_result): New function.
14493         (pass_warn_unused_result): New pass.
14494         * c-common.h (c_warn_unused_result): Remove.
14495         * flags.h (flag_warn_unused_result): Declare.
14496         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
14497         * opts.c (flag_warn_unused_result): Initialize to false.
14498         * toplev.c (compile_file): Add comment.
14499         * omp-low.c (create_omp_child_function): Do not register
14500         the function with the frontend.
14501         (diagnose_omp_structured_block_errors): Prepare to be
14502         called as optimization pass.
14503         (gate_diagnose_omp_blocks): New function.
14504         (pass_diagnose_omp_blocks): New pass.
14505         * cgraph.h (cgraph_optimize): Remove.
14506         (cgraph_analyze_function): Likewise.
14507         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
14508         * cgraphunit.c (cgraph_lower_function): Lower nested functions
14509         before their parents here.
14510         (cgraph_finalize_function): Not here.
14511         (cgraph_analyze_function): Gimplify functions here.
14512         (cgraph_finalize_compilation_unit): Continue after errors.
14513         Optimize the callgraph from here.
14514         (cgraph_optimize): Make static.
14515         * langhooks.c (write_global_declarations): Finalize the CU.
14516         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
14517         (gimplify_function_tree): Assert we gimplify only once.
14518         Set PROP_gimple_any property.
14519         * tree-nested.c (gimplify_all_functions): New function.
14520         (lower_nested_functions): Gimplify all nested functions.
14521         * gimple.h (diagnose_omp_structured_block_errors): Remove.
14522         * passes.c (init_optimization_passes): Add pass_warn_unused_result
14523         and pass_diagnose_omp_blocks after gimplification.  Do not
14524         set TODO_set_props on all_lowering_passes.
14525         (execute_one_pass): Do not handle TODO_set_props.
14526         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
14527         (gimplify.o): Add tree-pass.h dependency.
14528         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
14529         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
14530         (unsave_r): Likewise.
14531         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
14532         temporary variable.
14533
14534 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
14535
14536         * doc/service.texi (Service): Restore previously removed link,
14537         which isn't broken after all.
14538
14539 2009-07-17  Richard Guenther  <rguenther@suse.de>
14540
14541         PR tree-optimization/40321
14542         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
14543         PHI nodes to the maximal set.
14544         (make_values_for_phi): Add PHI arguments to the maximal set.
14545         (execute_pre): Dump PHI_GEN and the maximal set.
14546
14547 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
14548
14549         PR c++/40780
14550         * gimplify.c (gimplify_conversion): Don't change non-conversions into
14551         VIEW_CONVERT_EXPR.
14552
14553 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
14554
14555         * doc/extend.texi (Nested Functions): Replace broken link with
14556         textual reference.
14557         * doc/service.texi (Service): Remove broken link.
14558
14559 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
14560
14561         PR bootstrap/40781
14562         * builtins.c (expand_builtin_memcmp): Use loc instead of
14563         EXPR_LOCATION (exp).
14564         (expand_builtin_strncmp): Likewise.
14565
14566 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
14567             Manuel López-Ibáñez  <manu@gcc.gnu.org>
14568
14569         PR 40435
14570         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
14571         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
14572         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
14573         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
14574         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
14575         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
14576         tree-inline.c, c-common.c, c-common.h, gimple.c,
14577         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
14578         convert.c: Add location argument to fold_{unary,binary,ternary},
14579         fold_build[123], build_call_expr, build_size_arg,
14580         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
14581         fold_build1_initializer, fold_build2_initializer,
14582         fold_build3_initializer, fold_build_call_array,
14583         fold_build_call_array_initializer, fold_single_bit_test,
14584         omit_one_operand, omit_two_operands, invert_truthvalue,
14585         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
14586         combine_comparisons, fold_builtin_*, fold_call_expr,
14587         build_range_check, maybe_fold_offset_to_address, round_up,
14588         round_down.
14589
14590 2009-07-16  Jason Merrill  <jason@redhat.com>
14591
14592         PR libstdc++/37907
14593         * c-common.c (c_common_reswords): Add __is_standard_layout
14594         and __is_trivial.
14595         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
14596         * doc/implement-cxx.texi: New.
14597         * doc/gcc.texi: Include it.
14598
14599 2009-07-16  DJ Delorie  <dj@redhat.com>
14600
14601         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
14602         compares that may be indirectly affected by previous instructions.
14603
14604 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14605
14606         * builtins.c (do_mpc_arg2): New.
14607         (fold_builtin_2): Fold builtin cpow.
14608         * real.h (HAVE_mpc_pow): New.
14609
14610 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
14611
14612         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
14613         comparison to skip unprofitable schedule
14614
14615 2009-07-16  Simon Baldwin  <simonb@google.com>
14616
14617         * gcc.c (option_map): New flag -no-canonical-prefixes.
14618         * (display_help): Print help text for new flag.
14619         * (process_command): Move options translation and language specifics
14620         and handle new flag early.  Use it to set a function pointer to a
14621         prefix builder.  Replace make_relative_prefix calls with calls to
14622         the function pointed to.  Ignore new flag in regular options handling.
14623         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
14624
14625 2009-07-15  DJ Delorie  <dj@redhat.com>
14626
14627         * config/mep/mep.md (sibcall_internal): Change register to avoid
14628         argument registers.
14629         (sibcall_value_internal): Likewise.
14630
14631 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
14632
14633         PR rtl-optimization/40710
14634         * resource.c (mark_target_live_regs): Reset DF problem to LR.
14635
14636 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
14637
14638         * config/mips/mips.md (*extenddi_truncate<mode>,
14639         *extendsi_truncate<mode>): Change type attribute to move_type
14640         with shift_shift.  Split out code handling exts from here ...
14641         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
14642         pattern.
14643         (*extendhi_truncateqi): Change type attribute to move_type with
14644         shift_shift.  Split out code handling exts from here ...
14645         (*extendhi_truncateqi_exts): ... to this new pattern.
14646
14647 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
14648
14649         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
14650         instead of "and" with inverted sign bit mask value.  Use
14651         "nonimmediate_operand" for operand 1 and operand 2 predicate.
14652         Allocate registers only for operand 4 and operand 5.
14653
14654 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
14655
14656         PR middle-end/40747
14657         * fold-const.c (fold_cond_expr_with_comparison): When folding
14658         < and <= to MIN, make sure the MIN uses the same type as the
14659         comparison's operands.
14660
14661 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
14662
14663         * arm.md (ior_xor): New code iterator.
14664         (split for ior/xor with shift and zero-extend): New split pattern.
14665         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
14666
14667 2009-07-15  Richard Guenther  <rguenther@suse.de>
14668
14669         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
14670         offset member.
14671
14672 2009-07-15  Richard Guenther  <rguenther@suse.de>
14673
14674         PR middle-end/40753
14675         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
14676
14677 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
14678
14679         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
14680         handle 2.6.30 kernel.
14681
14682 2009-07-15  DJ Delorie  <dj@redhat.com>
14683
14684         * config/mep/mep.md (sibcall_internal): Change register to allow
14685         for 24-bit addresses.
14686         (sibcall_value_internal): Likewise.
14687
14688 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
14689
14690         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
14691         that are enabled/disabled by the flags introduced by a previous patch.
14692
14693 2009-07-14  DJ Delorie  <dj@redhat.com>
14694
14695         * config/mep/mep.md (sibcall_internal): Include non-toggling
14696         non-jmp case.
14697         (sibcall_value_internal): Likewise.
14698
14699 2009-07-14  Taras Glek  <tglek@mozilla.com>
14700             Rafael Espindola  <espindola@google.com>
14701
14702         * doc/sourcebuild.texi: Document install-plugin target.
14703         * configure.ac: Added install-plugin target to language makefiles.
14704         * configure: Regenerate.
14705         * Makefile.in (install-plugin): Install more headers,
14706         depend on lang.install-plugin.
14707
14708 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14709
14710         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
14711         translation.
14712
14713 2009-07-14  DJ Delorie  <dj@redhat.com>
14714
14715         * config/mep/mep.c (mep_vliw_jmp_match): New function.
14716         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
14717         * config/mep/mep.md (sibcall_internal): Change test from
14718         mep_vliw_mode_match to mep_vliw_jmp_match.
14719         (sibcall_value_internal): Likewise.
14720
14721 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
14722
14723         * config/i386/sse.md (copysign<mode>3): New expander.
14724         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
14725         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
14726         Use ix86_build_const_vector.
14727         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
14728         IX86_BUILTIN_CPYSGNPD.
14729         (builtin_description): Add __builtin_ia32_copysignps and
14730         __builtin_ia32_copysignpd.
14731         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
14732         and BUILT_IN_COPYSIGNF.
14733
14734 2009-07-13  Jason Merrill  <jason@redhat.com>
14735
14736         * builtins.c (can_trust_pointer_alignment): New fn.
14737         (get_pointer_alignment): Factor it out from here.
14738         * tree.h: Declare it.
14739
14740 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
14741
14742         * config/rs6000/predicates.md (offsettable_mem_operand): Test
14743         RTX_AUTOINC class.
14744
14745 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
14746
14747         PR debug/40705
14748         PR c++/403057
14749         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
14750
14751 2009-07-14  Richard Guenther  <rguenther@suse.de>
14752             Andrey Belevantsev <abel@ispras.ru>
14753
14754         PR middle-end/40745
14755         * cfgexpand.c (partition_stack_vars): Do not bother to update
14756         alias information when not optimizing.
14757
14758 2009-07-14  Richard Guenther  <rguenther@suse.de>
14759             Andrey Belevantsev <abel@ispras.ru>
14760
14761         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
14762         (pt_solution_set): Likewise.
14763         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
14764         * tree-ssa-structalias.c (pt_solution_set): New function.
14765         * final.c (rest_of_clean_state): Free SSA data structures.
14766         * print-rtl.c (print_decl_name): Remove.
14767         (print_mem_expr): Implement in terms of print_generic_expr.
14768         * alias.c (ao_ref_from_mem): New function.
14769         (rtx_refs_may_alias_p): Likewise.
14770         (true_dependence): Query alias-export info.
14771         (canon_true_dependence): Likewise.
14772         (write_dependence_p): Likewise.
14773         * tree-dfa.c (get_ref_base_and_extent): For void types leave
14774         size unknown.
14775         * emit-rtl.c (component_ref_for_mem_expr): Remove.
14776         (mem_expr_equal_p): Use operand_equal_p.
14777         (set_mem_attributes_minus_bitpos): Do not use
14778         component_ref_for_mem_expr.
14779         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
14780         (update_alias_info_with_stack_vars): Likewise.
14781         (partition_stack_vars): Call update_alias_info_with_stack_vars.
14782         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
14783         explicitly nor clear stmt operands.
14784         Free the decl-to-pointer map.
14785         * tree-optimize.c (execute_free_datastructures): Do not free
14786         SSA data structures here.
14787         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
14788         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
14789         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
14790         dependencies.
14791         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
14792
14793 2009-07-13  DJ Delorie  <dj@redhat.com>
14794
14795         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
14796         unrolling at the right iteration count.
14797
14798         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
14799         calculations.
14800
14801 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
14802
14803         * haifa-sched.c (rank_for_schedule): Introduced flags to
14804         enable/disable individual scheduling heuristics.
14805         * common.opt: Introduced flags to enable/disable individual
14806         heuristics in the scheduler.
14807         * doc/invoke.texi: Introduced flags to enable/disable individual
14808         heuristics in the scheduler.
14809
14810 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
14811
14812         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
14813         config/i386/mingw-tls.c.
14814         * config/i386/mingw-tls.c: Removed.
14815
14816 2009-07-13  Ira Rosen  <irar@il.ibm.com>
14817
14818         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
14819         checks access only relevant statements.
14820         (vectorizable_reduction): Likewise.
14821
14822 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
14823
14824         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
14825         just for 32-bit case.
14826
14827 2009-07-12  Jan Hubicka  <jh@suse.cz>
14828
14829         PR tree-optimization/40585
14830         * except.c (expand_resx_expr): When there already is resume
14831         instruction, produce linked list.
14832         (build_post_landing_pads): Assert that resume is empty.
14833         (connect_post_landing_pads): Handle resume lists.
14834         (dump_eh_tree): Dump resume list.
14835
14836 2009-07-12  Ira Rosen  <irar@il.ibm.com>
14837
14838         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
14839         with additional argument.
14840         * tree-vectorizer.h (enum vect_def_type): Add
14841         vect_double_reduction_def.
14842         (vect_is_simple_reduction): Add argument.
14843         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
14844         indentation.
14845         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
14846         vect_is_simple_reduction with additional argument.
14847         (vect_analyze_loop_operations): Handle exit phi nodes in case of
14848         double reduction.
14849         (reduction_code_for_scalar_code): Handle additional codes by
14850         returning ERROR_MARK for them. Fix comment and indentation.
14851         (vect_is_simple_reduction): Fix comment, add argument to specify
14852         double reduction. Detect double reduction.
14853         (get_initial_def_for_induction): Fix indentation.
14854         (get_initial_def_for_reduction): Fix comment and indentation.
14855         Handle double reduction. Create initial definitions that do not
14856         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
14857         (vect_create_epilog_for_reduction): Fix comment, add argument to
14858         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
14859         epilogue result extraction. Create double reduction phi node and
14860         replace relevant uses.
14861         (vectorizable_reduction): Call vect_is_simple_reduction with
14862         additional argument. Fix indentation. Update epilogue code treatment
14863         according to the changes in reduction_code_for_scalar_code. Check
14864         for double reduction. Call vect_create_epilog_for_reduction with
14865         additional argument.
14866         * tree-vect-stmts.c (process_use): Handle double reduction, update
14867         documentation.
14868         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
14869         (vect_get_vec_def_for_operand): Likewise.
14870
14871 2009-07-12  Danny Smith  <dansmister@gmail.com>
14872
14873         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
14874         dllexport if !TREE_PUBLIC.
14875         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
14876
14877 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
14878
14879         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
14880         (avr_extra_arch_macro) Remove declatation.
14881         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
14882         (avr_extra_arch_macro) Declare as static.
14883         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
14884
14885 2009-07-11  Jan Hubicka  <jh@suse.cz>
14886
14887         PR middle-end/48388
14888         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
14889
14890 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
14891
14892         PR debug/40713
14893         * dwarf2out.c (dw_fde_struct): Add in_std_section and
14894         cold_in_std_section bits.
14895         (dwarf2out_begin_prologue): Initialize them.
14896         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
14897         if already covered by text_section or cold_text_section range.
14898
14899         PR rtl-optimization/40667
14900         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
14901         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
14902         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
14903         * config/i386/i386.c (ix86_minimum_alignment): New function.
14904         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
14905         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
14906         * emit-rtl.c (gen_reg_rtx): Likewise.
14907         * function.c (assign_parms): Likewise.  If nominal_type needs
14908         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
14909         rather than passed_type's alignment.
14910
14911         PR target/40668
14912         * function.c (assign_parm_setup_stack): Adjust
14913         MEM_OFFSET (data->stack_parm) if promoted_mode is different
14914         from nominal_mode on big endian.
14915
14916 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
14917
14918         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
14919
14920 2009-07-10  DJ Delorie  <dj@redhat.com>
14921
14922         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
14923
14924 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
14925
14926         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
14927         attribute.
14928         (thumb2_cbnz): Likewise.
14929
14930 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
14931
14932         PR target/39079
14933         * config.gcc (supported_defaults): Add synci.
14934         (with_synci): Add validation.
14935         (all_defaults): Add synci.
14936         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
14937         ISA_HAS_SYNCI.
14938         (synci): Same.
14939         * config/mips/mips.opt (msynci): New option.
14940         * config/mips/mips.c (mips_override_options): Warn on use of
14941         -msynci for targets that do now support it.
14942         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
14943         msynci.
14944         * gcc/doc/invoke.texi (-msynci): Document the new option.
14945         * doc/install.texi (--with-synci): Document the new option.
14946
14947 2009-07-10  Richard Guenther  <rguenther@suse.de>
14948
14949         PR tree-optimization/40496
14950         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
14951         the PHI result with a compatible type.
14952
14953 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14954
14955         PR 25509
14956         PR 40614
14957         * c.opt (Wunused-result): New.
14958         * doc/invoke.texi: Document it.
14959         * c-common.c (c_warn_unused_result): Use it.
14960
14961 2009-07-09  DJ Delorie  <dj@redhat.com>
14962
14963         * targhooks.c (default_target_can_inline_p): Rename from
14964         default_target_option_can_inline_p.
14965         * targhooks.h (default_target_can_inline_p): Likewise.
14966         * target-def.h (TARGET_CAN_INLINE_P): Rename from
14967         TARGET_OPTION_CAN_INLINE_P.
14968         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
14969         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
14970         (mep_target_can_inline_p): Rename from
14971         mep_target_option_can_inline_p.
14972
14973         PR target/40626
14974         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
14975         registers used to pass vectors.
14976
14977         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
14978
14979 2009-07-09  Tom Tromey  <tromey@redhat.com>
14980
14981         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
14982         * config/mmix/mmix.c: Include dwarf2.h.
14983         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
14984         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
14985         * config/sh/sh.c: Include dwarf2.h.
14986         * config/i386/i386.c: Include dwarf2.h.
14987         * Makefile.in (DWARF2_H): Remove 'elf'.
14988         * except.c: Include dwarf2.h.
14989         * unwind-dw2.c: Include dwarf2.h.
14990         * dwarf2out.c: Include dwarf2.h.
14991         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
14992         * unwind-dw2-fde.c: Include dwarf2.h.
14993         * dwarf2asm.c: Include dwarf2.h.
14994
14995 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
14996
14997         * haifa-sched.c (insn_finishes_cycle_p): New static function.
14998         (max_issue): Use it.
14999         * sched-int.h (struct sched_info: insn_finishes_block_p): New
15000         scheduler hook.
15001         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
15002         (region_sched_info): Update.
15003         * sched-ebb.c (ebb_sched_info): Update.
15004         * modulo-sched.c (sms_sched_info): Update.
15005         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
15006
15007 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
15008
15009         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
15010
15011 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
15012
15013         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
15014
15015 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
15016
15017         PR middle-end/40692
15018         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
15019         arg1 with arg01 if arg1 is already INTEGER_CST.
15020
15021 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
15022
15023         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
15024         Transform (and (truncate)) into (truncate (and)).
15025
15026 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
15027
15028         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
15029         creating LHS paradoxical subregs.  Fix surrounding returns to
15030         use NULL_RTX rather than 0.
15031
15032 2009-07-08  DJ Delorie  <dj@redhat.com>
15033
15034         * config/mep/mep.c (mep_option_can_inline_p): New.
15035         (TARGET_OPTION_CAN_INLINE_P): Define.
15036
15037 2009-07-08  Mark Wielaard  <mjw@redhat.com>
15038
15039         PR debug/40659
15040         * dwarf2out.c (add_data_member_location_attribute): When we have
15041         only a constant offset don't emit a new location description using
15042         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
15043         dwarf_version > 2.
15044
15045 2009-07-08  Richard Henderson  <rth@redhat.com>
15046
15047         PR target/38900
15048         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
15049         (enum reg_class): Add CLOBBERED_REGS.
15050         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
15051         * config/i386/i386.c (ix86_conditional_register_usage): Moved
15052         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
15053         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
15054         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
15055         force 64-bit sibcalls into R11.
15056         * config/i386/constraints.md (U): New constraint.
15057         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
15058         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
15059         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
15060
15061 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
15062
15063         * basic-block.h (dump_regset, debug_regset): Remove duplicate
15064         prototypes.
15065         * c-objc-common.h (c_initialize_diagnostics): Ditto.
15066         * ebitmap.h (dump_ebitmap): Ditto.
15067         * optabs.h (optab_libfunc): Ditto.
15068         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
15069         * tree-flow.h (vect_can_force_dr_alignment_p,
15070         get_vectype_for_scalar_type): Ditto.
15071         (vectorize_loops): Move prototype to ...
15072         * tree-vectorizer.h: ... here. Also, adjust comment.
15073         (vect_set_verbosity_level): Remove duplicate prototype.
15074         * tree-ssa-loop.c: Include tree-vectorizer.h.
15075         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
15076
15077 2009-07-08  Nick Clifton  <nickc@redhat.com>
15078
15079         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
15080         forward slash.
15081
15082 2009-07-08  DJ Delorie  <dj@redhat.com>
15083
15084         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
15085         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
15086         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
15087         written to.
15088         * config/mep/intrinsics.md: Regenerated.
15089         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
15090         registers when asm() or calls are detected.
15091
15092 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15093
15094         PR c++/31246
15095         * gimplify.c (gimplify_expr): Propagate no_warning flag when
15096         gimplifying.
15097         * gimple (gimple_build_call_from_tree): Likewise.
15098         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
15099         no_warning flag before warning.
15100
15101 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15102
15103         * tree.c (set_expr_locus): Remove.
15104         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
15105         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
15106         EXPR_LOCATION.
15107         * gimplify.c (internal_get_tmp_var): Likewise.
15108         (gimplify_call_expr): Likewise.
15109         (gimplify_one_sizepos): Likewise.
15110
15111 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
15112
15113         PR debug/40666
15114         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
15115         to variables for debugging purposes.
15116
15117 2009-06-23  Mark Loeser  <mark@halcy0n.com>
15118
15119         PR build/40010
15120         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
15121
15122 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15123
15124         * pretty-print.c (pp_base_format): Remove %J.
15125         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
15126         gcc_cxxdiag_char_table): Likewise.
15127         (init_dynamic_diag_info): Likewise.
15128
15129 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15130
15131         * pretty-print.c (pp_base_format): Remove %H.
15132         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
15133         gcc_cxxdiag_char_table): Likewise.
15134         (init_dynamic_diag_info): Likewise.
15135         * config/mep/mep.c (mep_select_section): Likewise.
15136
15137 2009-07-07  Duncan Sands  <baldrick@free.fr>
15138
15139         * final.c (pass_clean_state): Give the pass a name.
15140         * passes.c (pass_rest_of_compilation): Likewise.
15141         * tree-optimize.c (pass_all_optimizations): Likewise.
15142
15143 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
15144
15145         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
15146         an extra 'decl' for error_at.
15147
15148 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
15149
15150         PR middle-end/40669
15151         * tree-tailcall.c (adjust_return_value_with_ops,
15152         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
15153         if it has complex or vector type.
15154
15155 2009-07-07  Olivier Hainque  <hainque@adacore.com>
15156
15157         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
15158         pthread symbols.
15159
15160 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
15161
15162         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
15163
15164 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15165
15166         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
15167         * c-decl.c: Likewise.
15168         * function.c: Likewise.
15169         * varasm.c: Likewise.
15170         * tree-ssa.c: Likewise.
15171         * c-common.c: Likewise.
15172         * tree-cfg.c: Likewise.
15173         * config/spu/spu.c: Likewise.
15174         * config/ia64/ia64.c: Likewise.
15175         * config/v850/v850.c: Likewise.
15176
15177 2009-07-06  DJ Delorie  <dj@redhat.com>
15178
15179         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
15180         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
15181         unspecified accesses to control registers.
15182         * config/mep/intrinsics.md: Regenerate.
15183         * config/mep/intrinsics.h: Regenerate.
15184         * config/mep/mep-intrin.h: Regenerate.
15185
15186 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15187
15188         * c-lex.c: Replace %H by an explicit location. Update all calls.
15189         * c-common.c: Likewise.
15190         * c-decl.c: Likewise.
15191         * c-typeck.c: Likewise.
15192         * fold-const.c: Likewise.
15193         * gimplify.c: Likewise.
15194         * stmt.c: Likewise.
15195         * tree-cfg.c: Likewise.
15196         * tree-ssa-loop-niter.c: Likewise.
15197         * tree-vrp.c: Likewise.
15198         * value-prof.c: Likewise.
15199
15200 2009-07-06  Diego Novillo  <dnovillo@google.com>
15201
15202         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
15203         if it has one.  Handle cases where VAR does not have an
15204         annotation or cfun is NULL.
15205
15206 2009-07-06  Diego Novillo  <dnovillo@google.com>
15207
15208         * tree.c: Include debug.h.
15209         (initialize_tree_contains_struct): New.
15210         (init_ttree): Call it.
15211         (tree_node_structure_for_code): Factor out of ...
15212         (tree_node_structure): ... here.
15213         * treestruct.def (TS_PHI_NODE): Remove.
15214         (TS_GIMPLE_STATEMENT): Remove.
15215
15216 2009-07-06  Diego Novillo  <dnovillo@google.com>
15217
15218         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
15219         (debug_tree_chain): Handle cycles.
15220
15221 2009-07-06  Nick Clifton  <nickc@redhat.com>
15222             DJ Delorie  <dj@redhat.com>
15223
15224         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
15225         __FMOVD_ENABLED__ is defined.
15226         * config/sh/sh.h
15227         (TARGET_FMOVD): Provide a default definition.
15228         (MASK_FMOVD): Likewise.
15229         (TARGET_CPU_CPP_BUILTINS): Define
15230         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
15231         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
15232         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
15233         (split for DF load from memory into register): Also handle
15234         MEMs which consist of REG+DISP addressing.
15235         (split for DF store from register to memory): Likewise.
15236         (movsf_ie): Always use single fp_mode.
15237         * config/sh/sh.c (sh_override_options): Do not automatically
15238         enable TARGET_MOVD for the SH2A when supporting doubles - leave
15239         that to the -mfmovd command line switch.
15240         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
15241         (fldi_ok): Always allow.
15242         * config/sh/sh.opt (mfmovd): Remove this switch.
15243         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
15244
15245 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
15246             Kaz Kojima  <kkojima@gcc.gnu.org>
15247
15248         PR rtl-optimization/30807
15249         * postreload.c (reload_combine): For every new use of REG_SUM,
15250         record the use of BASE.
15251
15252 2009-07-06  Jan Hubicka  <jh@suse.cz>
15253
15254         * params.def: Revert my accidental commit at 2009-06-30.
15255
15256 2009-07-04  Ian Lance Taylor  <iant@google.com>
15257
15258         PR target/40636
15259         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
15260         EXPORTED_CONST.
15261         (mingw_format_attribute_overrides): Likewise.
15262
15263 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
15264
15265         PR debug/40596
15266         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
15267         don't check cfa.reg.  Instead of cfa.indirect use
15268         fde && fde->drap_reg != INVALID_REGNUM test.
15269
15270 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
15271
15272         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
15273
15274 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
15275
15276         PR target/40587
15277         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
15278
15279 2009-07-03  Richard Guenther  <rguenther@suse.de>
15280
15281         PR tree-optimization/40640
15282         * tree-switch-conversion.c (build_arrays): Perform arithmetic
15283         in original type.
15284
15285 2009-07-03  Jan Hubicka  <jh@suse.cz>
15286
15287         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
15288         for size, reduce amount of inlining.
15289
15290 2009-07-03  Richard Guenther  <rguenther@suse.de>
15291
15292         PR middle-end/34163
15293         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
15294         if t +- x is known to not overflow and the conversion widens the
15295         operation.
15296         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
15297
15298 2009-07-03  Jan Hubicka  <jh@suse.cz>
15299
15300         * ipa-pure-const.c (analyze): Update loop optimizer init.
15301         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
15302         try_remove_empty_loop, remove_empty_loops): Remove.
15303         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
15304         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
15305         to mark regular loops as neccesary.
15306         (degenerate_phi_p): New function.
15307         (propagate_necessity, remove_dead_phis): Use it.
15308         (forward_edge_to_pdom): Likewise.
15309         (eliminate_unnecessary_stmts): Take care to remove uses of results of
15310         virtual PHI nodes that became unreachable.
15311         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
15312         * tree-flow.h (remove_empty_loops): Remove.
15313         * passes.c (init_optimization_passes): Remove.
15314
15315 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
15316
15317         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
15318         can_create_pseudo_p.
15319         (*fix_trunc<mode>_i387_1): Ditto.
15320         (*floathi<mode>2_1): Ditto.
15321         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
15322         (*fistdi2_1): Ditto.
15323         (*fist<mode>2_1): Ditto.
15324         (frndintxf2_floor): Ditto.
15325         (*fist<mode>2_floor_1): Ditto.
15326         (frndintxf2_ceil): Ditto.
15327         (*fist<mode>2_ceil_1): Ditto.
15328         (frndintxf2_trunc): Ditto.
15329         (frndintxf2_mask_pm): Ditto.
15330         (fxam<mode>2_i387_with_temp): Ditto.
15331         * config/i386/sse.md (mulv16qi3): Ditto.
15332         (*sse2_mulv4si3): Ditto.
15333         (mulv2di3): Ditto.
15334         (sse4_2_pcmpestr): Ditto.
15335         (sse4_2_pcmpistr): Ditto.
15336
15337 2009-07-03  Jan Hubicka  <jh@suse.cz>
15338
15339         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
15340         (mark_stmt_necessary): Set it.
15341         (mark_operand_necessary): Set it.
15342         (mark_control_dependent_edges_necessary): Set it.
15343         (mark_virtual_phi_result_for_renaming): New function.
15344         (get_live_post_dom): New function.
15345         (forward_edge_to_pdom): New function.
15346         (remove_dead_stmt): Fix handling of control dependences.
15347         (tree_dce_init): Init new bitmap.
15348         (tree_dce_done): Free it.
15349
15350 2009-07-02  Richard Guenther  <rguenther@suse.de>
15351
15352         PR bootstrap/40617
15353         * tree-ssa-structalias.c (new_var_info): Initialize
15354         is_restrict_var.
15355
15356 2009-07-02  Jan Hubicka  <jh@suse.cz>
15357
15358         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
15359         local.
15360
15361 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
15362
15363         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
15364         instead of recomputing it.  Adjust calls.
15365         (emit_store_flag): Adjust recursive calls.
15366
15367 2009-07-02  Richard Guenther  <rguenther@suse.de>
15368
15369         * tree-ssa-live.c (remove_unused_locals): Do not remove
15370         heap variables.
15371         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
15372         of DECL_EXTERNAL for HEAP variables.
15373         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
15374         HEAP variables.  Do not adjust RESTRICT vars.
15375         (find_what_var_points_to): Nobody cares if something
15376         points to READONLY.
15377
15378 2009-07-02  Ben Elliston  <bje@au.ibm.com>
15379
15380         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
15381         pc_low and pc_high declarations to the top of the function.
15382
15383 2009-07-01  DJ Delorie  <dj@redhat.com>
15384
15385         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
15386         registers as fixed.
15387         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
15388         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
15389         unspecified accesses to control registers.
15390         * config/mep/intrinsics.md: Regenerate.
15391         * config/mep/intrinsics.h: Regenerate.
15392         * config/mep/mep-intrin.h: Regenerate.
15393
15394 2009-07-01  Anthony Green  <green@moxielogic.com>
15395
15396         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
15397         instruction when possible.
15398         (moxie_expand_prologue): Ditto.  Also, save an instruction and
15399         some complexity by popping off of $r12 instead of $sp.
15400         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
15401         operands.
15402
15403 2009-07-01  Richard Henderson  <rth@redhat.com>
15404
15405         PR bootstrap/40347
15406         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
15407         contained no insns, reposition note before last insn.
15408
15409 2009-07-01  Richard Henderson  <rth@redhat.com>
15410
15411         PR debug/40431
15412         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
15413         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
15414
15415 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
15416
15417         PR bootstrap/40558
15418         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
15419         darwin9 for printing reg addresses with %y.
15420
15421 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
15422
15423         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
15424         truncation from operands in binary operations.
15425
15426 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
15427
15428         Revert:
15429         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
15430         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
15431         subreg of op0 to the original op0.
15432
15433         * expmed.c (store_bit_field_1): Use a temporary as the destination
15434         instead of a paradoxical subreg when we need to truncate the result.
15435
15436 2009-07-01  DJ Delorie  <dj@redhat.com>
15437
15438         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
15439         names to VLIW variants.
15440         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
15441         * config/mep/intrinsics.md: Regenerate.
15442         * config/mep/intrinsics.h: Regenerate.
15443         * config/mep/mep-intrin.h: Regenerate.
15444
15445 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
15446
15447         PR debug/40462
15448         * jump.c (returnjump_p): Revert last patch.
15449         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
15450
15451 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15452
15453         PR target/40575
15454         * pa.md (casesi32p): Use jump table label to determine the offset
15455         of the jump table.
15456         (casesi64p): Likewise.
15457
15458         * pa.c (forward_branch_p): Return bool type.  Use instruction
15459         addresses when available.  Assert that INSN has a jump label.
15460         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
15461         have a jump label.
15462
15463 2009-07-01  Richard Guenther  <rguenther@suse.de>
15464
15465         PR tree-optimization/19831
15466         * tree-ssa-dce.c (propagate_necessity): Calls to functions
15467         that only act as barriers do not make any previous stores necessary.
15468         * tree-ssa-structalias.c (handle_lhs_call): Delay making
15469         HEAP variables global, do not add a constraint from nonlocal.
15470         (find_func_aliases): Handle escapes through return statements.
15471         (compute_points_to_sets): Make escaped HEAP variables global.
15472
15473 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
15474
15475         PR bootstrap/40597
15476         * expmed.c (emit_store_flag): Perform a conversion if necessary,
15477         after reducing a DImode cstore to SImode.
15478
15479 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
15480
15481         * expr.c (expand_expr_real_1): Reinstate fallthrough to
15482         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
15483
15484 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
15485
15486         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
15487         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
15488         to 0.
15489         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
15490         and umod_optab if TARGET_BSD_DIVMOD.
15491         * config/vax/lib1funcs.asm: New file.
15492         * config/vax/t-linux: New file.
15493         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
15494
15495 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
15496
15497         PR c++/40566
15498         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
15499         to type arguments that have void type.
15500
15501         PR debug/40573
15502         * dwarf2out.c (gen_formal_parameter_die): Call
15503         equate_decl_number_to_die if node is different from origin.
15504
15505 2009-06-30  Anthony Green  <green@moxielogic.com>
15506
15507         Clean up moxie port for --enable-build-with-cxx.
15508         * config/moxie/moxie.c (moxie_function_value): First two
15509         parameters are const_tree, not tree.
15510         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
15511         (REG_CLASS_NAMES): Ditto.
15512         (REGNO_REG_CLASS): Ditto.
15513         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
15514         (moxie_function_value): Fix constyness of arguments.
15515
15516 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
15517
15518         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
15519         finalize_size_functions before further processing.
15520         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
15521         (variable_size): Call self_referential_size on size expressions
15522         that contain a PLACEHOLDER_EXPR.
15523         (size_functions): New static variable.
15524         (copy_self_referential_tree_r): New static function.
15525         (self_referential_size): Likewise.
15526         (finalize_size_functions): New global function.
15527         * tree.c: Include tree-inline.h.
15528         (push_without_duplicates): New static function.
15529         (find_placeholder_in_expr): New global function.
15530         (substitute_in_expr) <tcc_declaration>: Return the replacement object
15531         on equality.
15532         <tcc_expression>: Likewise.
15533         <tcc_vl_exp>: If the replacement object is a constant, try to inline
15534         the call in the expression.
15535         * tree.h (finalize_size_functions): Declare.
15536         (find_placeholder_in_expr): Likewise.
15537         (FIND_PLACEHOLDER_IN_EXPR): New macro.
15538         (substitute_placeholder_in_expr): Update comment.
15539         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
15540         is true.
15541         (copy_tree_body_r): Likewise.
15542         (copy_tree_body): New static function.
15543         (maybe_inline_call_in_expr): New global function.
15544         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
15545         (maybe_inline_call_in_expr): Declare.
15546         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
15547         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
15548         GIMPLE_H.
15549
15550 2009-06-30  Richard Guenther  <rguenther@suse.de>
15551
15552         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
15553         continue walking.
15554         (propagate_necessity): Do not mark reaching defs of stores
15555         as necessary.
15556
15557 2009-06-30  Jan Hubicka  <jh@suse.cz>
15558
15559         * cfgloopanal.c (check_irred): Move into ...
15560         (mark_irreducible_loops): ... here; return true if ireducible
15561         loops was found.
15562         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
15563         (analyze_function): Try to prove loop finiteness.
15564         * cfgloop.h (mark_irreducible_loops): Update prototype.
15565         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
15566
15567 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
15568
15569         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
15570
15571 2009-06-30  Ira Rosen  <irar@il.ibm.com>
15572
15573         PR tree-optimization/40542
15574         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
15575         types.
15576
15577 2009-06-30  Martin Jambor  <mjambor@suse.cz>
15578
15579         PR tree-optimization/40582
15580         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
15581         than useless_type_conversion_p.
15582         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
15583         proper place.
15584
15585 2009-06-30  Martin Jambor  <mjambor@suse.cz>
15586
15587         PR middle-end/40554
15588         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
15589
15590 2009-06-30  Richard Guenther  <rguenther@suse.de>
15591
15592         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
15593         use ao_ref references.
15594         (walk_aliased_vdefs): Likewise.
15595         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
15596         * tree-ssa-dce.c (struct ref_data): Remove.
15597         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
15598         (mark_aliased_reaching_defs_necessary): Adjust.
15599         (mark_all_reaching_defs_necessary_1): Likewise.
15600
15601 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
15602
15603         PR boostrap/40597
15604         * expmed.c (emit_cstore): New name of emit_store_flag_1.
15605         (emit_store_flag_1): Extract from emit_store_flag, adjust
15606         calls to (what now is) emit_cstore.
15607         (emit_store_flag): Call emit_store_flag_1 and also use it
15608         for what used to be recursive calls.
15609
15610 2009-06-30  Wei Guozhi  <carrot@google.com>
15611
15612         PR/40416
15613         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
15614         if the target bb post dominates from bb.
15615         * config/i386/i386.c (memory_address_length): Check existence of base
15616         register before using it.
15617
15618 2009-06-30  Nick Clifton  <nickc@redhat.com>
15619             DJ Delorie  <dj@redhat.com>
15620
15621         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
15622         __FMOVD_ENABLED__ is defined.
15623         * config/sh/sh.h
15624         (TARGET_FMOVD): Provide a default definition.
15625         (MASK_FMOVD): Likewise.
15626         (TARGET_CPU_CPP_BUILTINS): Define
15627         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
15628         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
15629         two fmov instructions depending upon whether TARGET_FMOVD is
15630         enabled.
15631         (split for DF load from memory into register): Also handle
15632         MEMs which consist of REG+DISP addressing.
15633         (split for DF store from register to memory): Likewise.
15634         * config/sh/sh.opt (mfmovd): Remove this switch.
15635         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
15636         * config/sh/sh.c (sh_override_options): Do not automatically
15637         enable TARGET_MOVD for the SH2A when supporting doubles - leave
15638         that to the -mfmovd command line switch.
15639
15640         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
15641         the SH4 and SH4A.
15642         (fldi_ok): Always allow.
15643         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
15644
15645 2009-06-29  DJ Delorie  <dj@redhat.com>
15646
15647         * doc/install.texi (mep-x-elf): Correct chip's full name.
15648
15649 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
15650
15651         * doc/extend.texi: Fix typo.
15652
15653 2009-06-29  Tom Tromey  <tromey@redhat.com>
15654
15655         * dwarf2.h: Remove.
15656         * Makefile.in (DWARF2_H): New variable.
15657         (except.o): Use it.
15658         (dwarf2out.o): Likewise.
15659         (dwarf2asm.o): Likewise.
15660         * config/i386/t-i386: Use DWARF2_H.
15661         * except.c: Include elf/dwarf2.h.
15662         * unwind-dw2.c: Include elf/dwarf2.h.
15663         * dwarf2out.c: Include elf/dwarf2.h.
15664         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
15665         <dtprel>: New field.
15666         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
15667         (size_of_loc_descr): Likewise.
15668         (output_loc_operands_raw): Likewise.
15669         (output_loc_operands): Handle new dtprel field.
15670         (loc_checksum): Update.
15671         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
15672         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
15673         * unwind-dw2-fde.c: Include elf/dwarf2.h.
15674         * dwarf2asm.c: Include elf/dwarf2.h.
15675         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
15676         * config/mmix/mmix.c: Include elf/dwarf2.h.
15677         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
15678         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
15679         * config/sh/sh.c: Include elf/dwarf2.h.
15680         * config/i386/i386.c: Include elf/dwarf2.h.
15681
15682 2009-06-29  DJ Delorie  <dj@redhat.com>
15683
15684         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
15685
15686         * doc/extend.texi: Add MeP attributes and pragmas.
15687         * doc/invoke.text: Add MeP Options.
15688         * doc/contrib.texi: Add MeP contribution.
15689         * doc/md.texi: Add MeP constraints.
15690         * doc/install.texi: Add MeP target.
15691
15692 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
15693
15694         * target.h (struct gcc_target): Add frame_pointer_required field.
15695         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
15696         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
15697         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
15698         hook.
15699         * reload1.c (update_eliminables): (Ditto.).
15700         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
15701         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
15702         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
15703
15704         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
15705
15706         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
15707         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15708         (arm_frame_pointer_required): New function.
15709
15710         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
15711         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15712         (avr_frame_pointer_required_p): Declare as static.
15713         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
15714
15715         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
15716         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15717         (bfin_frame_pointer_required): Make as static, change return type
15718         to bool.
15719         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
15720
15721         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
15722         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15723         (cris_frame_pointer_required): New function.
15724
15725         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
15726
15727         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
15728         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15729         (fr30_frame_pointer_required): New function.
15730
15731         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
15732         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15733         (frv_frame_pointer_required): Make as static, change return type
15734         to bool.
15735         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
15736
15737         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
15738         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15739         (ix86_frame_pointer_required): Make as static, change return type to
15740         bool.
15741         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
15742
15743         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
15744         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15745
15746         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
15747
15748         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
15749
15750         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
15751
15752         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
15753         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15754         (mips_frame_pointer_required): Make as static.
15755         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
15756
15757         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
15758         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15759         (mmix_frame_pointer_required): Mew function.
15760
15761         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
15762         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15763
15764         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
15765
15766         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
15767
15768         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
15769
15770         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
15771         (CAN_ELIMINATE): Redefine.
15772         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
15773         (sparc_frame_pointer_required): New function.
15774         (sparc_can_eliminate): New function.
15775         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
15776
15777         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
15778         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15779
15780         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
15781         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
15782         (xtensa_frame_pointer_required): Make as static, change return type
15783         to bool.
15784         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
15785         Remove.
15786
15787 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
15788
15789         * doc/plugins.texi: Document PLUGIN_START_UNIT.
15790         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
15791         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
15792         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
15793         (register_callback): Handle PLUGIN_START_UNIT.
15794         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
15795
15796 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
15797
15798         * tree.c (process_call_operands): Propagate TREE_READONLY from the
15799         operands.
15800         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
15801         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
15802
15803 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
15804
15805         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
15806         move cost.
15807
15808 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
15809
15810         * doc/extend.texi (Additional Floating Types): __float128 is also
15811         supported on i386 targets.
15812
15813 2009-06-29  Richard Guenther  <rguenther@suse.de>
15814
15815         PR middle-end/14187
15816         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
15817         flag.
15818         (pt_solutions_same_restrict_base): Declare.
15819         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
15820         flag.
15821         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
15822         (make_constraint_from, make_copy_constraint): Move earlier.
15823         (make_constraint_from_heapvar): New function.
15824         (make_constraint_from_restrict): Likewise.
15825         (handle_lhs_call): Use it.
15826         (find_func_aliases): Use it to track conversions to restrict
15827         qualified pointers.
15828         (struct fieldoff): Add only_restrict_pointers flag.
15829         (push_fields_onto_fieldstack): Initialize it.
15830         (create_variable_info_for): Track global restrict qualified pointers.
15831         (intra_create_variable_infos): Use make_constraint_from_heapvar.
15832         Track restrict qualified pointer arguments.
15833         (set_uids_in_ptset): Use varinfo is_global_var flag.
15834         (find_what_var_points_to): Set the vars_contains_restrict flag.
15835         Always create the points-to solution for sets including restrict tags.
15836         (pt_solutions_same_restrict_base): New function.
15837         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
15838         qualified pointers use pt_solutions_same_restrict_base as
15839         additional source for disambiguation.
15840
15841 2009-06-29  Richard Guenther  <rguenther@suse.de>
15842
15843         PR middle-end/38212
15844         * alias.c (find_base_decl): Remove.
15845         (get_deref_alias_set_1): Remove restrict handling.
15846         * c-common.c (c_apply_type_quals_to_decl): Do not set
15847         DECL_POINTER_ALIAS_SET.
15848         * gimplify.c (find_single_pointer_decl_1): Remove.
15849         (find_single_pointer_decl): Likewise.
15850         (internal_get_tmp_var): Remove restrict handling.
15851         (gimple_regimplify_operands): Likewise.
15852         * omp-low.c (expand_omp_atomic_pipeline): Do not set
15853         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
15854         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
15855         * tree.c (restrict_base_for_decl): Remove.
15856         (init_ttree): Do not allocate it.
15857         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
15858         LABEL_DECL_UID for label decls.
15859         (copy_node_stat): Do not copy restrict information.
15860         (decl_restrict_base_lookup): Remove.
15861         (decl_restrict_base_insert): Likewise.
15862         (print_restrict_base_statistics): Likewise.
15863         (dump_tree_statistics): Do not call print_restrict_base_statistics.
15864         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
15865         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
15866         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
15867         (LABEL_DECL_UID): Adjust.
15868         (DECL_BASED_ON_RESTRICT_P): Remove.
15869         (DECL_GET_RESTRICT_BASE): Likewise.
15870         (SET_DECL_RESTRICT_BASE): Likewise.
15871         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
15872
15873         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
15874         instead of DECL_POINTER_ALIAS_SET.
15875         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
15876         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
15877         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
15878
15879 2009-06-29  Richard Guenther  <rguenther@suse.de>
15880
15881         PR tree-optimization/40579
15882         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
15883         the IL to simplify has constants that overflowed.
15884
15885 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
15886
15887         PR tree-optimization/40550
15888         * tree-vect-generic.c (expand_vector_operations_1): Compute in
15889         vector_compute_type only when the size of vector_compute_type is
15890         less than the size of type.
15891
15892 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
15893
15894         * fold-const.c (contains_label_1): Fix comments.
15895         (contains_label_p): Do not walk trees multiple time.
15896
15897 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
15898
15899         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
15900         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
15901         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
15902         ix86_fp_comparison_operator.
15903         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
15904         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
15905         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
15906         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
15907         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
15908         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
15909         (related splits): Change predicate to ix86_fp_comparison_operator.
15910         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
15911         instead of ix86_fp_comparison_codes.
15912         (ix86_trivial_fp_comparison_operator,
15913         ix86_fp_comparison_operator): New.
15914         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
15915         (ix86_expand_compare): Eliminate last two parameters.
15916         (ix86_fp_jump_nontrivial_p): Kill.
15917         * config/i386/i386.c (put_condition_code): Eliminate call to
15918         ix86_fp_comparison_codes and subsequent assertion.
15919         (ix86_fp_comparison_codes): Eliminate.
15920         (ix86_fp_swap_condition): New.
15921         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
15922         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
15923         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
15924         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
15925         and ix86_fp_swap_condition.
15926         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
15927         Use ix86_fp_comparison_strategy.
15928         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
15929         (ix86_fp_jump_nontrivial_p): Eliminate.
15930         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
15931         call to ix86_expand_compare.
15932         (ix86_split_fp_branch, ix86_expand_setcc,
15933         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
15934         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
15935
15936 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
15937
15938         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
15939         related to jump_clobbers.
15940         * config/arm/arm.md (conds): Remove jump_clob case.
15941         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
15942         splits): Change comparison_operator to arm_comparison_operator.
15943         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
15944         Eliminate.
15945
15946 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
15947
15948         * dojump.c (do_compare_rtx_and_jump): Try swapping the
15949         condition for floating point modes.
15950         * expmed.c (emit_store_flag_1): Move here a bigger part
15951         of emit_store_flag.
15952         (emit_store_flag): Try swapping the condition for floating point
15953         modes.
15954         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
15955
15956 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
15957
15958         * expr.c (expand_expr_real_1): Just use do_store_flag.
15959         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
15960         emit_store_flag_force.
15961         * expmed.c (emit_store_flag_force): Copy here trick
15962         previously in expand_expr_real_1.  Try reversing the comparison.
15963         (emit_store_flag_1): Work if target is NULL.
15964         (emit_store_flag): Work if target is NULL, using the result mode
15965         from the comparison.  Use split_comparison, restructure final part
15966         to simplify conditionals.
15967
15968 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
15969
15970         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
15971         * dojump.c (do_jump): Change handling of floating-point
15972         ops to use just do_compare_and_jump.
15973         (split_comparison): New.
15974         (do_compare_rtx_and_jump): Add here logic coming previously
15975         in do_jump, using split_comparison.
15976
15977 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
15978
15979         PR target/40489
15980         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
15981
15982 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
15983
15984         * tree-ssa-alias.c: Fix unintentional commit.
15985
15986 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
15987
15988         * passes.c (execute_one_pass): Fix unintentional commit.
15989
15990 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
15991
15992         * df-problems.c (df_set_seen, df_unset_seen): Delete.
15993         (df_rd_local_compute, df_md_local_compute): Inline them.
15994
15995         (df_md_scratch): New.
15996         (df_md_alloc, df_md_free): Allocate/free it.
15997         (df_md_local_compute): Only include live registers in init.
15998         (df_md_transfer_function): Prune the in-set computed by
15999         the confluence function, and the gen-set too.
16000
16001 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16002
16003         PR rtl-optimization/26854
16004         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
16005         * df-problems.c (df_rd_add_problem): Fix comment.
16006         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
16007         df_md_simulate_artificial_defs_at_top,
16008         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
16009         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
16010         df_md_transfer_function, df_md_init, df_md_confluence_0,
16011         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
16012         problem_MD, df_md_add_problem): New.
16013         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
16014         df_md_get_bb_info): New.
16015         (DF_LAST_PROBLEM_PLUS1): Adjust.
16016
16017         * Makefile.in (fwprop.o): Include domwalk.h.
16018         * fwprop.c: Include domwalk.h.
16019         (reg_defs, reg_defs_stack): New.
16020         (bitmap_only_bit_between): Remove.
16021         (process_defs): New.
16022         (process_uses): Use reg_defs and local_md instead of
16023         bitmap_only_bit_between and local_rd.
16024         (single_def_use_enter_block): New, from build_single_def_use_links.
16025         (single_def_use_leave_block): New.
16026         (build_single_def_use_links): Remove code moved to
16027         single_def_use_enter_block, invoke domwalk.
16028         (use_killed_between): Adjust comment.
16029
16030 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16031
16032         * bitmap.h (bitmap_ior_and_into): New.
16033         * bitmap.c (bitmap_ior_and_into): New.
16034
16035 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
16036
16037         * domwalk.h (struct dom_walk_data): Remove all callbacks except
16038         before_dom_children_before_stmts and after_dom_children_after_stmts.
16039         Rename the two remaining callbacks to just before_dom_children and
16040         after_dom_children. Remove other GIMPLE statement walking bits.
16041         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
16042         * graphite.c: Do not include domwalk.h.
16043         * tree-into-ssa.c (interesting_blocks): New global.
16044         (struct mark_def_sites_global_data): Remove it and names_to_rename.
16045         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
16046         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
16047         now that they're not domwalk callbacks.
16048         (rewrite_initialize_block): Rename to...
16049         (rewrite_enter_block): ... this, place after called functions.  Test
16050         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
16051         (rewrite_finalize_block): Rename to...
16052         (rewrite_leave_block): ... this, place after called functions.
16053         (rewrite_update_init_block): Rename to...
16054         (rewrite_update_enter_block): ... this, place after called functions.
16055         Test interesting_blocks, call rewrite_update_stmt and
16056         rewrite_update_phi_arguments.
16057         (rewrite_update_fini_block): Rename to...
16058         (rewrite_leave_block): ... this, place after called functions.
16059         (rewrite_blocks): Remove last argument, simplify initialization of
16060         walk_data.
16061         (mark_def_sites_initialize_block): Rename to...
16062         (mark_def_sites_block): ... this, call mark_def_sites.
16063         (mark_def_sites_blocks): Remove argument, simplify initialization of
16064         walk_data.
16065         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
16066         (update_ssa): Likewise.
16067         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
16068         callback.
16069         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
16070         (dom_opt_initialize_block): Rename to...
16071         (dom_opt_enter_block): ... this, place after called functions.  Walk
16072         statements here, inline propagate_to_outgoing_edges.
16073         (dom_opt_finalize_block): Rename to...
16074         (dom_opt_leave_block): ... this, place after called functions.
16075         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
16076         domwalk callback.
16077         (dse_enter_block, dse_record_phi): New.
16078         (dse_record_phis): Delete.
16079         (dse_finalize_block): Rename to...
16080         (dse_leave_block): ... this.
16081         (tree_ssa_dse): Simplify initialization of walk_data.
16082         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
16083         Adjust initialization of walk_data.
16084         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
16085         * tree-ssa-loop-phiopt.c (get_non_trapping):
16086         Adjust initialization of walk_data.
16087         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
16088         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
16089         it's not a domwalk callback.
16090         (uncprop_initialize_block): Rename to...
16091         (dse_enter_block): ... this, call uncprop_into_successor_phis.
16092         (dse_finalize_block): Rename to...
16093         (dse_leave_block): ... this.
16094         (tree_ssa_uncprop): Simplify initialization of walk_data.
16095         * Makefile.in: Adjust dependencies.
16096
16097 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
16098
16099         * arm.md (casesi): Fix test for Thumb1.
16100         (thumb1_casesi_internal_pic): Likewise.
16101         (thumb1_casesi_dispatch): Likewise.
16102
16103 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
16104
16105         * config/arm/arm-cores.def: Added core cortex-m0.
16106         * config/arm/arm-tune.md: Regenerated.
16107         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
16108
16109 2009-06-26  DJ Delorie  <dj@redhat.com>
16110
16111         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
16112
16113         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
16114         the scheduler doesn't tag jump insns.
16115
16116 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
16117
16118         * c-decl.c (merge_decls): Re-indent.
16119
16120 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
16121
16122         PR c/39902
16123         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
16124         Special-case decimal float constants.
16125
16126 2009-06-26  Richard Henderson  <rth@redhat.com>
16127
16128         * function.h (struct function): Add cannot_be_copied_reason,
16129         and cannot_be_copied_set.
16130         * tree-inline.c (has_label_address_in_static_1): Rename from
16131         inline_forbidden_p_2; don't set inline_forbidden_reason here.
16132         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
16133         don't set inline_forbidden_reason.
16134         (copy_forbidden): New function, split out of inline_forbidden_p.
16135         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
16136         (inline_forbidden_p): Use copy_forbidden.
16137         (tree_versionable_function_p): Likewise.
16138         (inlinable_function_p): Merge into tree_inlinable_function_p.
16139         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
16140         * ipa-cp.c (ipcp_versionable_function_p): New function.
16141         (ipcp_cloning_candidate_p): Use it.
16142         (ipcp_node_modifiable_p): Likewise.
16143
16144 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
16145
16146         * builtins.c (expand_builtin_alloca): Handle builtin alloca
16147         that is marked not to be inlined. Remove flag_mudflap use.
16148         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
16149         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
16150
16151 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
16152
16153         PR bootstrap/40338
16154         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
16155         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
16156
16157 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
16158
16159         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
16160         shared libgcc.
16161         (__mingwthr_remove_key_dtor): Likewise.
16162
16163 2009-06-26  Richard Guenther  <rguenther@suse.de>
16164
16165         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
16166
16167 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
16168
16169         PR middle-end/40525
16170         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
16171         try the non-cond_exec path also.
16172
16173 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16174
16175         PR target/40468
16176         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
16177         (output_cbranch): Use new functions.
16178         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
16179         Likewise.
16180
16181 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
16182             Pat Haugen  <pthaugen@us.ibm.com>
16183             Revital Eres <ERES@il.ibm.com>
16184
16185         * config/rs6000/rs6000.c (print_operand): Correct lossage message
16186         for %c error.  Add %x support to print VSX registers as a unified
16187         register set, instead of separate float and altivec registers.
16188         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
16189         %y case, and add support for VSX pre-modify addresses.
16190         (output_toc): Add assert for CONST containing an integer constant
16191         in the PLUS case.
16192         (rs6000_adjust_cost): Add POWER7 support.
16193         (insn_must_be_first_in_group): Ditto.
16194         (insn_must_be_last_in_group): Ditto.
16195         (rs6000_emit_popcount): Ditto.
16196         (rs6000_vector_mode_supported_p): Ditto.
16197
16198         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
16199         Change some of the functions called by macros to being called
16200         through a pointer, so debug functions can be inserted if
16201         -mdebug=addr or -mdebug=cost.
16202         (rs6000_preferred_reload_class_ptr): Ditto.
16203         (rs6000_secondary_reload_class_ptr): Ditto.
16204         (rs6000_secondary_memory_needed_ptr): Ditto.
16205         (rs6000_cannot_change_mode_class_ptr): Ditto.
16206         (rs6000_secondary_reload_inner): Ditto.
16207         (rs6000_legitimize_reload_address): Ditto.
16208         (rs6000_legitimize_reload_address_ptr): Ditto.
16209         (rs6000_mode_dependent_address): Ditto.
16210         (rs6000_mode_dependent_address_ptr): Ditto.
16211
16212         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
16213         function to return true if the mode allows reg + integer
16214         addresses.
16215         (virtual_stack_registers_memory_p): New function to return true if
16216         the address refers to a virtual stack register.
16217         (rs6000_legitimate_offset_address_p): Move code to say whether a
16218         mode supports reg+int addressing to reg_offset_addressing_ok_p and
16219         call it.
16220         (rs6000_legitimate_address_p): Add checks for modes that only can
16221         do reg+reg addressing.  Start adding VSX support.
16222         (rs6000_legitimize_reload_address): Ditto.
16223         (rs6000_legitimize_address): Ditto.
16224         (rs6000_debug_legitimate_address_p): New debug functions for
16225         -mdebug=addr and -mdebug=cost.
16226         (rs6000_debug_rtx_costs): Ditto.
16227         (rs6000_debug_address_costs): Ditto.
16228         (rs6000_debug_adjust_cost): Ditto.
16229         (rs6000_debug_legitimize_address): Ditto.
16230         (rs6000_legitimize_reload_address_ptr): Point to call normal
16231         function or debug function.  Make functions called via pointer
16232         static.
16233         (rs6000_mode_dependent_address_ptr): Ditto.
16234         (rs6000_secondary_reload_class_ptr): Ditto.
16235         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
16236         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
16237         into a friendlier error.
16238         (rs6000_init_builtins): Add initial VSX support.
16239         (rs6000_adjust_cost): Fix some spacing issues.
16240
16241         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
16242         (REG_CLASS_NAMES): Ditto.
16243         (REG_CLASS_CONTENTS): Ditto.
16244         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
16245         pointer, to add -mdebug=addr support.
16246         (CANNOT_CHANGE_MODE_CLASS): Ditto.
16247         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
16248         -mdebug=addr support.
16249         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
16250         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
16251         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
16252
16253         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
16254         16-bit values.
16255         (bswapsi*): Set attribute types for load/store.  Add combiner
16256         patterns to eliminate zero extend on 64-bit.
16257         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
16258         stdbrx if the hardware supports those instructions.
16259
16260 2009-06-25  Ian Lance Taylor  <iant@google.com>
16261
16262         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
16263         (Link Options): Document -static-libstdc++.
16264
16265 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16266
16267         PR target/38731
16268         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
16269         DATA_ALIGNMENT instead.
16270
16271 2009-06-25  Richard Guenther  <rguenther@suse.de>
16272
16273         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
16274         indirect references against the callused/escaped solutions.
16275         (call_may_clobber_ref_p_1): Likewise.
16276
16277 2009-06-25  Martin Jambor  <mjambor@suse.cz>
16278
16279         PR tree-optimization/40493
16280         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
16281         (enum unscalarized_data_handling): New type.
16282         (handle_unscalarized_data_in_subtree): Return what has been done.
16283         (load_assign_lhs_subreplacements): Handle left flushes differently.
16284         (sra_modify_assign): Use unscalarized_data_handling, simplified
16285         condition determining whether to remove the statement.
16286
16287 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
16288
16289         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
16290         excerpt - @ should be doubled for texinfo.
16291
16292 2009-06-24  Ian Lance Taylor  <iant@google.com>
16293
16294         * config/arc/arc.c: Include "df.h".
16295         (arc_attribute_table): Make static.  Move higher in file.
16296         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
16297         (output_shift): Initialize n later to avoid warning.
16298         * config/arm/arm.c (arm_attribute_table): Make static.  Move
16299         higher in file.
16300         * config/avr/avr.c (avr_attribute_table): Make static.  Move
16301         higher in file.
16302         (reg_class_tab): Change array type from int to enum reg_class.
16303         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
16304         LABEL_REF.
16305         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
16306         (lshrhi3_out): Likewise.
16307         (class_likely_spilled_p): Change return type to bool.
16308         (avr_rtx_costs): Use local code variable with enum type.
16309         * config/avr/avr.md (movmemhi): Use add_reg_note.
16310         (andhi3, andsi3): Don't use AS2 with "and".
16311         (iorhi3, iorsi3): Don't use AS2 with "or".
16312         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
16313         * config/crx/crx.c: Include "df.h".
16314         (crx_attribute_table): Make static.
16315         * config/m32r/m32r.c: Include "df.h".
16316         (m32r_attribute_table): Make static.  Move higher in file.
16317         (pop): Use add_reg_note.
16318         (block_move_call): Change 0 to LCT_NORMAL in function call.
16319         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
16320         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
16321         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
16322         declare, not just when TREE_CODE is defined.
16323         * config/m68hc11/m68hc11.c: Include "expr.h".
16324         (m68hc11_attribute_table): Make static.  Move higher in file.
16325         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
16326         function call.
16327         (m68hc11_register_indirect_p): Likewise.
16328         (m68hc11_function_arg_padding): Change return type to enum
16329         direction.
16330         (emit_move_after_reload): Use add_reg_note.
16331         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
16332         (m68hc11_split_logical): Likewise.
16333         (m68hc11_rtx_costs): Add local code_and outer_code variables with
16334         enum type.
16335         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
16336         to VOIDmode in function call.
16337         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
16338         tree is defined.
16339         (m68hc11_split_logical): Update declaration.
16340         (m68hc11_function_arg_padding): Update declaration.
16341         * config/mcore/mcore.c (regno_reg_class): Change form array of int
16342         to array of enum reg_class.
16343         (mcore_attribute_table): Make static.  Move higher in file.
16344         (mcore_rtx_costs): Add cast to enum type.
16345         * config/mcore/mcore.h (regno_reg_class): Update declaration.
16346         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
16347         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
16348         in file.
16349         * config/sh/predicates.md (trapping_target_operand): Rename and to
16350         and_expr.
16351         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
16352         higher in file.
16353         * config/spu/spu.c (spu_attribute_table): Make static.  Move
16354         higher in file.
16355         * config/v850/v850.c (v850_attribute_table): Make static.  Move
16356         higher in file.
16357         (v850_rtx_costs): Use local code with enum type.
16358         (expand_epilogue): Add cast.
16359         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
16360
16361 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
16362
16363         PR target/40515
16364         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
16365         -m2a-single-only and -m2a-nofpu.
16366         * config/sh/sh.opt: Document m2a generates FPU code.
16367
16368 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
16369
16370         * defaults.h (CAN_ELIMINATE): Provide default.
16371         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
16372         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
16373         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
16374         * config/spu/spu.h (CAN_ELIMINATE): Delete.
16375         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
16376         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
16377         * config/cris/cris.h (CAN_ELIMINATE): Delete.
16378         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
16379         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
16380         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
16381
16382 2009-06-24  DJ Delorie  <dj@redhat.com>
16383
16384         * mep-ext-cop.cpu: Fix copyright notice.
16385         * mep-default: Fix copyright notice.
16386         * mep-core: Fix copyright notice.
16387         * mep: Fix copyright notice.
16388         * mep-ivc2: Fix copyright notice.
16389         * mep-c5: Fix copyright notice.
16390
16391 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
16392
16393         * doc/contrib.texi (Contributors):
16394
16395 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16396
16397         PR middle-end/40501
16398         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
16399         src and dst operands if necessary.
16400
16401 2009-06-23  DJ Delorie  <dj@redhat.com>
16402
16403         Add MeP port.
16404         * config.gcc: Add mep support.
16405         * recog.c: Resurrect validate_replace_rtx_subexp().
16406         * recog.h: Likewise.
16407         * config/mep/: Add new port:
16408         * config/mep/constraints.md: New file.
16409         * config/mep/default.h: New file.
16410         * config/mep/intrinsics.h: New file.
16411         * config/mep/intrinsics.md: New file.
16412         * config/mep/ivc2-template.h: New file.
16413         * config/mep/mep-c5.cpu: New file.
16414         * config/mep/mep-core.cpu: New file.
16415         * config/mep/mep-default.cpu: New file.
16416         * config/mep/mep-ext-cop.cpu: New file.
16417         * config/mep/mep-intrin.h: New file.
16418         * config/mep/mep-ivc2.cpu: New file.
16419         * config/mep/mep-lib1.asm: New file.
16420         * config/mep/mep-lib2.c: New file.
16421         * config/mep/mep-pragma.c: New file.
16422         * config/mep/mep-protos.h: New file.
16423         * config/mep/mep-tramp.c: New file.
16424         * config/mep/mep.c: New file.
16425         * config/mep/mep.cpu: New file.
16426         * config/mep/mep.h: New file.
16427         * config/mep/mep.md: New file.
16428         * config/mep/mep.opt: New file.
16429         * config/mep/predicates.md: New file.
16430         * config/mep/t-mep: New file.
16431
16432 2009-06-23  Ian Lance Taylor  <iant@google.com>
16433
16434         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
16435         from loose_warn into c_loose_warn and from strict_warn into
16436         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
16437         --enable-build-with-cxx.  Set and substitute
16438         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
16439         * Makefile.in (CXXFLAGS): New variable.
16440         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
16441         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
16442         the default is the same as $(STRICT_WARN).
16443         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
16444         (CXX): New variable.
16445         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
16446         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
16447         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
16448         (HOST_LIBS): New variable.
16449         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
16450         (ALL_CXXFLAGS): New variable.
16451         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
16452         * doc/install.texi (Configuration): Document
16453         --enable-build-with-cxx, --with-stage1-ldflags,
16454         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
16455         * configure: Rebuild.
16456
16457 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16458
16459         * config/arm/arm.c (arm_override_options): Fix braces and formatting
16460         from previous commit.
16461
16462 2009-06-23  Ian Lance Taylor  <iant@google.com>
16463
16464         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
16465
16466 2009-06-23  Ian Lance Taylor  <iant@google.com>
16467
16468         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
16469         with ATTRIBUTE_UNUSED.
16470
16471 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
16472             Pat Haugen  <pthaugen@us.ibm.com>
16473             Revital Eres  <eres@il.ibm.com>
16474
16475         * config.in (HAVE_AS_POPCNTD): Add default definition.
16476         (HAVE_AS_LWSYNC): Ditto.
16477
16478         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
16479         release number.
16480         (gcc_cv_as_powerpc_cmpb): Ditto.
16481         (gcc_cv_as_powerpc_dfp): Ditto.
16482         (gcc_cv_as_powerpc_vsx): Ditto.
16483         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
16484         supporting the popcntd/lwsync instructions.
16485         (gcc_cv_as_powerpc_lwsync): Ditto.
16486         * configure: Regenerate.
16487
16488         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
16489         -mcpu=native and -mcpu=power7.
16490         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
16491
16492         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
16493         a variable instead of a mask to reduce the number of mask bits.
16494         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
16495         (-mbit-word): Ditto.
16496         (-mregnames): Ditto.
16497         * config/rs6000/rs6000.opt (-mupdate): Ditto.
16498         (-mfused-madd): Ditto.
16499
16500         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
16501         2.06 instructions.
16502         (-mvsx): New switch for VSX instructions.
16503         (-misel): Move from a variable to a mask to allow it to be set by
16504         -mcpu=.
16505
16506         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
16507         function declaration to an array declaration.
16508         (rs6000_hard_regno_nregs): New external array declaration.
16509
16510         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
16511         files included by rs6000.md.
16512
16513         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
16514         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
16515
16516         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
16517         a target mask.
16518         (rs6000_debug_reg): New -mdebug= variables.
16519         (rs6000_debug_addr): Ditto.
16520         (rs6000_debug_cost): Ditto.
16521         (rs6000_pmode): New variable to hold Pmode.
16522         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
16523         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
16524         calculated at compiler start.
16525         (rs6000_hard_regno_nregs): Change function to an array which holds
16526         HARD_REGNO_NREGS calculated at compiler start.
16527         (rs6000_explicit_options): Delete isel field.
16528         (rs6000_vector_unit): New array to hold which vector unit
16529         supports arithmetic options for a given type.
16530         (rs6000_vector_mem): New array to hold which vector unit supports
16531         memory reference operations for a given type.
16532         (rs6000_vector_align): New array to given the alignment of each
16533         vector type.
16534         (power7_cost): New basic costs for power7.
16535         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
16536         (rs6000_hard_regno_nregs_internal): New function, moved from
16537         HARD_REGNO_NREGS, to calculate the number of registers each hard
16538         register takes for each type.
16539         (rs6000_debug_reg_print): New function for -mdebug=reg support.
16540         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
16541         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
16542         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
16543         unit information here so it is calculated once at compiler startup
16544         time.
16545         (rs6000_override_options): Make -misel a target mask.  Add more
16546         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
16547         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
16548         -mdebug=cost.
16549         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
16550         (rs6000_handle_option): Move -misel from variable to target mask.
16551         (rs6000_builtin_mask_for_load): Add VSX support.
16552         (rs6000_conditional_register_usage): Ditto.
16553         (USE_ALTIVEC_FOR_ARG_P): Ditto.
16554         (function_arg_boundary): Ditto.
16555         (rs6000_expand_builtin): Ditto.
16556         (def_builtin): Make abort message a little friendlier.
16557         (rs6000_emit_int_cmove): Add support for 64-bit isel.
16558
16559         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
16560         assembler support the popcntd instruction instead of a vsx
16561         instruction to enable power7 support.
16562         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
16563         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
16564         option to the assembler if -mcpu=native.
16565         (ASM_CPU_NATIVE_SPEC): Ditto.
16566         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
16567         ISA 2.06 features.
16568         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
16569         the lwsync instruction.
16570         (enum processor_type): Add PROCESSOR_POWER7.
16571         (rs6000_debug_reg): New -mdebug= options.
16572         (rs6000_debug_addr): Ditto.
16573         (rs6000_debug_cost): Ditto.
16574         (rs6000_isel): Delete.
16575         (enum rs6000_vector): New enum to say what vector unit we have.
16576         (VECTOR_UNIT_*): New macros to say which vector unit has
16577         arithmetic operations for a given type.
16578         (VECTOR_MEM_*): New macros to say which vector unit has memory
16579         operations for a given type.
16580         (TARGET_LDBRX): Whether the machine supports the ldbrx
16581         instruction.
16582         (TARGET_ISEL): Delete, -misel moved to be a mask.
16583         (TARGET_ISEL64): New macro for 64-bit isel support.
16584         (UNITS_PER_VSX_WORD): New macro.
16585         (POINTER_SIZE): Move to be an external variable, rather than
16586         calculating whether we are generating 32 ot 64-bit code.
16587         (Pmode): Ditto.
16588         (STACK_BOUNDARY): Add VSX support.
16589         (LOCAL_ALIGNMENT): Ditto.
16590         (SLOW_UNALIGNED_ACCESS): Ditto.
16591         (VSX_REGNO_P): New macro for VSX support.
16592         (VFLOAT_REGNO_P): Ditto.
16593         (VINT_REGNO_P): Ditto.
16594         (VLOGICAL_REGNO_P): Ditto.
16595         (VSX_VECTOR_MODE): Ditto.
16596         (VSX_SCALAR_MODE): Ditto.
16597         (VSX_MODE): Ditto.
16598         (VSX_MOVE_MODE): Ditto.
16599         (VSX_REG_CLASS_P): Ditto.
16600         (HARD_REGNO_NREGS): Instead of calling a function, use an array
16601         lookup.
16602         (UNITS_PER_SIMD_WORD): Add VSX support.
16603         (MODES_TIEABLE_P): Ditto.
16604         (STARTING_FRAME_OFFSET): Ditto.
16605         (STACK_DYNAMIC_OFFSET): Ditto.
16606         (EPILOGUE_USES): Ditto.
16607         (REGNO_REG_CLASS): Move to array lookup.
16608         (CLASS_MAX_NREGS): Ditto.
16609         (rs6000_vector_reg_class): Add declaration.
16610         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
16611         overlap with the floating point and Altivec registers.
16612
16613         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
16614
16615         * config/rs6000/driver-rs6000.c (asm_names): New static array to
16616         give the appropriate asm switches if -mcpu=native.
16617         (host_detect_local_cpu): Add support for "asm".
16618         (host_detect_local_cpu): Follow GNU code guidelines for name.
16619
16620         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
16621         -mbit-word to a variable instead of being a target mask.
16622
16623         * config/rs6000/sync.md (lwsync): If the assembler supports it,
16624         emit the lwsync instruction instead of emitting the instruction as
16625         an integer constant.
16626
16627         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
16628         fixuns_trundfsi2, move expander into rs6000.md.
16629
16630         * config/rs6000/rs6000.md (cpu): Add power7.
16631         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
16632         (logical predicate patterns): Change the single instruction
16633         primitives that set CR0 to be fast_compare instead of compare.
16634         (norsi*): Ditto.
16635         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
16636         (popcntddi2): Ditto.
16637         (popcount<mode>): Ditto.
16638         (floating multiply/add insns): Name the floating point
16639         multiply/add insns.
16640         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
16641         (isel_unsigned_<mode>): Ditto.
16642         (fixuns_trundfsi2): Move expander here from spe.md.
16643         (smindi3): Define if we have -misel on 64-bit systems.
16644         (smaxdi3): Ditto.
16645         (umindi3): Ditto.
16646         (umaxdi3): Ditto.
16647
16648 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
16649
16650         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
16651         extra_objs.
16652         * config/avr/avr.c (avr_current_device): New variable.
16653         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
16654         (avr_arch, mcu_type_s): Move to avr.h.
16655         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
16656         default_data_section_start fields.
16657         (avr_arch): Moved from avr.c.
16658         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
16659         library_name fields.
16660         (avr_current_device, avr_mcu_types, avr_arch_types,
16661         avr_device_to_arch, avr_device_to_data_start,
16662         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
16663         (EXTRA_SPEC_FUNCTIONS): Define.
16664         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
16665         options mapping. Use device_to_arch and device_to_data_start insted.
16666         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
16667         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
16668         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
16669         * config/avr/driver-avr.c: New file.
16670         * config/avr/avr-devices.c: New file.
16671
16672 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
16673
16674         * var-tracking.c (unshare_variable): Force initialized to
16675         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
16676         (set_variable_part): Likewise.
16677         (struct variable_union_info): Remove pos_src field.
16678         (vui_vec, vui_allocated): New variables.
16679         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
16680         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
16681         == 1 use a simpler sorting algorithm.  Compute pos field right
16682         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
16683         Avoid quadratic comparison if !flag_var_tracking_uninit.
16684         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
16685         unshare_variable unconditionally.
16686         (dataflow_set_different_2): Removed.
16687         (dataflow_set_different): Don't traverse second hash table.
16688         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
16689         unconditionally to var_reg_set or var_mem_set.
16690         (emit_notes_in_bb): Likewise.
16691         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
16692         unshare_variable.
16693         (emit_note_insn_var_location): Don't set initialized to
16694         VAR_INIT_STATUS_INITIALIZED early.
16695         (vt_finalize): Free vui_vec if needed, clear vui_vec and
16696         vui_allocated.
16697         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
16698
16699         * tree-object-size.c (addr_object_size): Instead of checking
16700         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
16701         are no FIELD_DECLs following it.
16702
16703 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
16704
16705         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
16706         order to match bswaps with signed source operands.
16707
16708 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
16709
16710         * sdbout.c (sdbout_one_type): Fix braces in switch.
16711
16712 2009-06-23  Richard Guenther  <rguenther@suse.de>
16713
16714         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
16715         member.
16716         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
16717         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
16718         var_callused, callused_tree, var_storedanything, storedanything_tree,
16719         var_integer, integer_tree): Remove global variables.
16720         (new_var_info): Do not pass new id, append the new var to the
16721         global variable vector.
16722         (do_ds_constraint): Use is_global_var member of the variable-info.
16723         (new_scalar_tmp_constraint_exp): Adjust.
16724         (create_function_info_for): Likewise.
16725         (create_variable_info_for): Likewise.
16726         (find_what_var_points_to): Remove dead code.
16727         (init_base_vars): Simplify.
16728         (compute_points_to_sets): Adjust.
16729
16730 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
16731
16732         * combine.c (try_combine): Dump information about the insns we're
16733         combining.
16734
16735 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
16736
16737         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
16738         check when calling force_to_mode on TRUNCATE's operand.
16739
16740 2009-06-22  Ian Lance Taylor  <iant@google.com>
16741
16742         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
16743
16744 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
16745
16746         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
16747
16748 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16749
16750         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
16751         override library linkage flags such as -static-libgcc or
16752         -shared-libgcc.
16753
16754 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
16755
16756         * config/m68k/m68k-devices.def: Add line for MCF5221x.
16757
16758 2009-06-22  Ian Lance Taylor  <iant@google.com>
16759
16760         * config/linux.opt: Put mglibc ahead of muclibc.
16761
16762         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
16763         for duplicate decls.
16764
16765 2009-06-22  Matthias Klose  <doko@ubuntu.com>
16766
16767         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
16768
16769 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
16770
16771         PR objc/28050
16772         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
16773         instead of NULL if a parser error occurs.
16774
16775 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
16776
16777         * dwarf2out.c (dwarf2_debug_hooks): Initialize
16778         non-DWARF2_DEBUGGING_INFO version.
16779
16780 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
16781
16782         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
16783         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
16784
16785         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
16786         (LIBGCC2_TF_CEXT): Define.
16787         (TF_SIZE): Define.
16788
16789 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16790
16791         PR target/40463
16792         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
16793
16794 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16795
16796         * config/arm/arm.c (arm_override_options): Disable
16797         -mcaller-super-interworking and -mcallee-super-interworking.
16798         * doc/invoke.texi (ARM Options): Document this.
16799
16800 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
16801
16802         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
16803         * config/arm/constraints.md (j): New constraint for movw operands.
16804         (N): Remove thumb2 meaning.
16805         * config/arm/arm.md (*arm_movw): Delete.
16806         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
16807         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
16808         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
16809
16810 2009-06-22  Martin Jambor  <mjambor@suse.cz>
16811
16812         PR tree-optimization/40492
16813         * tree-sra.c (sra_modify_assign): Pass zero offsets to
16814         build_ref_for_offset.
16815
16816 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
16817
16818         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
16819         JUMP_TABLE_DATA_P predicates where applicable.
16820         * auto-inc-dec.c: Ditto.
16821         * builtins.c: Ditto.
16822         * caller-save.c: Ditto.
16823         * calls.c: Ditto.
16824         * cfgcleanup.c: Ditto.
16825         * cfglayout.c: Ditto.
16826         * cfgrtl.c: Ditto.
16827         * combine.c: Ditto.
16828         * combine-stack-adj.c: Ditto.
16829         * cse.c: Ditto.
16830         * cselib.c: Ditto.
16831         * dbxout.c: Ditto.
16832         * df-scan.c: Ditto.
16833         * dse.c: Ditto.
16834         * dwarf2asm.c: Ditto.
16835         * dwarf2out.c: Ditto.
16836         * emit-rtl.c: Ditto.
16837         * except.c: Ditto.
16838         * explow.c: Ditto.
16839         * expmed.c: Ditto.
16840         * expr.c: Ditto.
16841         * final.c: Ditto.
16842         * function.c: Ditto.
16843         * fwprop.c: Ditto.
16844         * gcse.c: Ditto.
16845         * genpreds.c: Ditto.
16846         * genrecog.c: Ditto.
16847         * ifcvt.c: Ditto.
16848         * ira-costs.c: Ditto.
16849         * ira-lives.c: Ditto.
16850         * jump.c: Ditto.
16851         * loop-iv.c: Ditto.
16852         * lower-subreg.c: Ditto.
16853         * modulo-sched.c: Ditto.
16854         * optabs.c: Ditto.
16855         * postreload.c: Ditto.
16856         * print-rtl.c: Ditto.
16857         * recog.c: Ditto.
16858         * reginfo.c: Ditto.
16859         * regmove.c: Ditto.
16860         * reload1.c: Ditto.
16861         * reload.c: Ditto.
16862         * reorg.c: Ditto.
16863         * rtlanal.c: Ditto.
16864         * rtl.c: Ditto.
16865         * sched-vis.c: Ditto.
16866         * sdbout.c: Ditto.
16867         * sel-sched-ir.c: Ditto.
16868         * simplify-rtx.c: Ditto.
16869         * targhooks.c: Ditto.
16870         * var-tracking.c: Ditto.
16871         * vmsdbgout.c: Ditto.
16872
16873 2009-06-22  Matthias Klose  <doko@ubuntu.com>
16874
16875         * Makefile.in (install-plugin): Always use DESTDIR.
16876
16877 2009-06-22  Olivier Hainque  <hainque@adacore.com>
16878
16879         * config/pa/pa.c (output_call): Don't optimize post call jumps
16880         into return address adjustments if the call may throw.
16881
16882 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
16883
16884         * arm.c (thumb1_output_casesi): New function.
16885         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
16886         optimizing for size or PIC.
16887         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
16888         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
16889         (casesi): Handle Thumb-1 when optimizing for size or PIC.
16890         (thumb1_casesi_internal_pic): New expand rule.
16891         (thumb1_casesi_dispatch): New pattern.
16892         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
16893         thumb-1 mode.
16894         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
16895         in the text seciton when PIC or optimizing for size.
16896         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
16897         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
16898         preservation properties of code.
16899         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
16900         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
16901         (__gnu_thumb1_case_si): New function.
16902         * t-arm (LIB1ASMSRC): Define here.
16903         (LIB1ASMFUNCS): Add some common functions.
16904         * t-arm-elf (LIB1ASMSRC): Delete.
16905         (LIB1ASMFUNCS): Append to existing set.
16906         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
16907         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
16908         * t-symbian (LIB1ASMFUNCS): Likewise.
16909         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
16910         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
16911
16912 2009-06-21  Richard Guenther  <rguenther@suse.de>
16913
16914         PR tree-optimization/38729
16915         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
16916         to loops with a single exit if -fno-expensive-optimizations.
16917
16918 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
16919
16920         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
16921         (dataflow_set): Change vars type from htab_t to shared_hash.
16922         (shared_hash_pool, empty_shared_hash): New variables.
16923         (vars_clear): Removed.
16924         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
16925         shared_hash_find_slot_unshare, shared_hash_find_slot,
16926         shared_hash_find_slot_noinsert, shared_hash_find): New
16927         static inlines.
16928         (shared_hash_unshare, shared_hash_destroy): New functions.
16929         (unshare_variable): Unshare set->vars if shared, use
16930         shared_hash_htab.
16931         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
16932         (get_init_value, find_src_set_src, dump_dataflow_set,
16933         clobber_variable_part, emit_notes_for_differences): Use
16934         shared_hash_htab.
16935         (dataflow_set_init): Remove second argument, set vars to
16936         empty_shared_hash instead of creating a new htab.
16937         (dataflow_set_clear): Call shared_hash_destroy and set vars
16938         to empty_shared_hash instead of calling vars_clear.
16939         (dataflow_set_copy): Don't call vars_copy, instead just share
16940         the src htab with dst.
16941         (variable_union): Use shared_hash_*, use initially NO_INSERT
16942         lookup if set->vars is shared.  Don't keep slot cleared before
16943         calling unshare_variable.  Unshare set->vars if needed.
16944         Even ->refcount == 1 vars must be unshared if set->vars is shared
16945         and var needs to be modified.
16946         (variable_canonicalize): New function.
16947         (dataflow_set_union): If dst->vars is empty, just share src->vars
16948         with dst->vars and traverse with variable_canonicalize to canonicalize
16949         and unshare what is needed.
16950         (dataflow_set_different): If old_set and new_set use the same shared
16951         htab, they aren't different.  If number of htab elements is different,
16952         htabs are different.  Use shared_hash_*.
16953         (dataflow_set_destroy): Call shared_hash_destroy instead of
16954         htab_delete.
16955         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
16956         second argument to dataflow_set_init.
16957         (vt_initialize): Likewise.  Initialize shared_hash_pool and
16958         empty_shared_hash, move bb in/out initialization afterwards.
16959         Use variable_htab_free instead of NULL as changed_variables del hook.
16960         (variable_was_changed): Change type of second argument to pointer to
16961         dataflow_set.  When inserting var into changed_variables, bump
16962         refcount.  Unshare set->vars if set is shared htab and slot needs to
16963         be cleared.
16964         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
16965         lookup if set->vars is shared.  Unshare set->vars if needed.
16966         Even ->refcount == 1 vars must be unshared if set->vars is shared
16967         and var needs to be modified.  Adjust variable_was_changed caller.
16968         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
16969         vars must be unshared if set->vars is shared and var needs to be
16970         modified.  Adjust variable_was_changed caller.
16971         (emit_note_insn_var_location): Don't pool_free var.
16972         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
16973         instead of 1.
16974         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
16975         free_alloc_pool on shared_hash_pool.
16976
16977 2009-06-20  Anthony Green  <green@moxielogic.com>
16978
16979         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
16980         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
16981
16982 2009-06-20  Richard Guenther  <rguenther@suse.de>
16983
16984         * tree-ssa-structalias.c (find_func_aliases): For memset use
16985         a constraint from NULL if we memset to zero.
16986         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
16987         we explicitly handle that do not read from memory.
16988         (call_may_clobber_ref_p_1): Properly handle builtins that may
16989         set errno.
16990
16991 2009-06-20  Richard Guenther  <rguenther@suse.de>
16992
16993         PR tree-optimization/40495
16994         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
16995         (new_scalar_tmp_constraint_exp): New function.
16996         (process_constraint): Do not create temporary decls.
16997         (process_all_all_constraints): Likewise.
16998         (handle_const_call): Likewise.
16999         (create_function_info_for): Do not set decl.
17000
17001 2009-06-19  Ian Lance Taylor  <iant@google.com>
17002
17003         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
17004         (rs6000_attribute_table): Make static; move before use.
17005
17006 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
17007
17008         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
17009         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
17010         Propagate the TREE_READONLY flag without overwriting it.
17011         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
17012         Propagate the TREE_READONLY flag onto the result.
17013         (process_call_operands): Move around.  Use correct constant value.
17014
17015 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17016
17017         PR target/40482
17018         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
17019         * config/arm/arm.md: Likewise.
17020
17021 2009-06-19  Ian Lance Taylor  <iant@google.com>
17022
17023         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
17024         to GIMPLE_ERROR_MARK.
17025
17026         * c-typeck.c (build_conditional_expr): Add op1_original_type and
17027         op2_original_type parameters.  Warn about using different enum types.
17028         * c-parser.c (c_parser_conditional_expression): Pass original
17029         types to build_conditional_expr.
17030         * c-tree.h (build_conditional_expr): Update declaration.
17031
17032 2009-06-19  Ian Lance Taylor  <iant@google.com>
17033
17034         * config/i386/i386.c (ix86_function_specific_save): Test that
17035         fields match values, rather than testing the values are in a
17036         certain range.
17037
17038 2009-06-19  Richard Guenther  <rguenther@suse.de>
17039
17040         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
17041         ADDR_EXPR pointers.
17042         (ptr_derefs_may_alias_p): Likewise.
17043         (ptr_deref_may_alias_ref_p_1): New function.
17044         (ptr_deref_may_alias_ref_p): Likewise.
17045         (ref_maybe_used_by_call_p_1): Handle builtins that are not
17046         covered by looking at the ESCAPED solution.
17047         (call_may_clobber_ref_p_1): Likewise.
17048         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
17049         Handle NULL_TREE offset.  Do not produce redundant constraints.
17050         (process_all_all_constraints): New helper function.
17051         (do_structure_copy): Use it.
17052         (handle_lhs_call): Likewise.
17053         (find_func_aliases): Handle some builtins with pointer arguments
17054         and/or return values explicitly.
17055
17056 2009-06-19  Ian Lance Taylor  <iant@google.com>
17057
17058         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
17059
17060 2009-06-19  Ian Lance Taylor  <iant@google.com>
17061
17062         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
17063
17064 2009-06-19  Ian Lance Taylor  <iant@google.com>
17065
17066         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
17067         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
17068         version.
17069
17070         * c-decl.c (finish_decl): If -Wc++-compat, warn about
17071         uninitialized const.
17072
17073 2009-06-19  Ian Lance Taylor  <iant@google.com>
17074
17075         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
17076         all uses.
17077
17078         * c-decl.c (in_struct, struct_types): Remove.
17079         (struct c_binding): Add in_struct field.
17080         (c_binding_ptr): Define type, along with VEC.
17081         (struct c_struct_parse_info): Define.
17082         (struct_parse_info): New static variable.
17083         (bind): Initialize in_struct field.
17084         (start_struct): Remove enclosing_in_struct and
17085         enclosing_struct_types parameters.  Add
17086         enclosing_struct_parse_info parameter.  Change all callers.  Set
17087         struct_parse_info rather than in_struct and struct_types.
17088         (grokfield): If -Wc++-compat and there is a symbol binding for the
17089         field name, set the in_struct flag and push it on the
17090         struct_parse_info->fields vector.
17091         (warn_cxx_compat_finish_struct): New static function.
17092         (finish_struct): Remove enclosing_in_struct and
17093         enclosing_struct_types parameters.  Add
17094         enclosing_struct_parse_info parameter.  Change all callers.  Don't
17095         set C_TYPE_DEFINED_IN_STRUCT here.  Call
17096         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
17097         parameter.  Only push on struct_types if warn_cxx_compat.
17098         (finish_enum): Only push on struct_types if warn_cxx_compat.
17099         (declspecs_add_type): Add loc parameter.  Change all callers.
17100         Change all error calls to error_at.  Pass loc, not input_location,
17101         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
17102         defined in a struct.  If -Wc++-compat and parsing a struct, record
17103         that a typedef name was used.
17104         * c-parser.c (c_parser_declspecs): Get location to pass to
17105         declspecs_add_type.
17106         (c_parser_struct_or_union_specifier): Update calls to start_struct
17107         and finish_struct.
17108         * c-tree.h (struct c_struct_parse_info): Declare.
17109         (finish_struct, start_struct): Update declarations.
17110         (declspecs_add_type): Update declaration.
17111
17112 2009-06-19  Ian Lance Taylor  <iant@google.com>
17113
17114         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
17115         variable with an anonymous type.
17116
17117 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
17118
17119         * see.c: Remove for real.
17120
17121 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
17122
17123         * optabs.h (enum optab_index): Add new OTI_significand.
17124         (significand_optab): Define corresponding macro.
17125         * optabs.c (init_optabs): Initialize significand_optab.
17126         * genopinit.c (optabs): Implement significand_optab using
17127         significand?f2 patterns.
17128         * builtins.c (expand_builtin_mathfn): Handle
17129         BUILT_IN_SIGNIFICAND{,F,L}.
17130         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
17131         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
17132
17133         * config/i386/i386.md (significandxf2, significand<mode>2): New
17134         expanders to implement significandf, significand and significandl
17135         built-ins as inline x87 intrinsics.
17136
17137 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
17138
17139         * config/avr/avr.c (avr_override_options): Remove setting value of
17140         PARAM_INLINE_CALL_COST.
17141
17142 2009-06-18  Richard Henderson  <rth@redhat.com>
17143
17144         PR 40488
17145         * tree-pass.h (TDF_ASMNAME): New.
17146         * tree-dump.c (dump_options): Add asmname.
17147         * doc/invoke.texi: Document it.
17148
17149         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
17150         (dump_decl_name): ...here.
17151         (dump_function_name): New flags arg; mind TDF_ASMNAME.
17152         (dump_generic_node): Update dump_function_name calls.
17153         (print_call_name): New flags arg; update all dump calls.
17154         * diagnostic.h (print_call_name): Update.
17155         * gimple-pretty-print.c (dump_gimple_call): Update.
17156
17157 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
17158
17159         PR target/40470
17160         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
17161
17162 2009-06-18  Diego Novillo  <dnovillo@google.com>
17163
17164         * doc/plugins.texi: Document plugin_is_GPL_compatible.
17165         * plugin.c (str_license): Declare.
17166         (try_init_one_plugin): Assert that the symbol
17167         'plugin_is_GPL_compatible' exists.
17168
17169 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
17170
17171         * see.c: Remove.
17172         * Makefile.in (OBJS-common): Remove see.o.
17173         (see.o): Remove.
17174         * common.opt (fsee): Mark as preserved for backward compatibility.
17175         * opts.c (common_handle_option): Add OPT_fsee to the backward
17176         compatibility section.
17177         * passes.c (init_optimization_passes, pass_see): Remove pass.
17178         * timevar.def (TV_SEE): Remove.
17179         * tree-pass.h (pass_see): Remove declaration.
17180         * doc/invoke.texi (-fsee): Remove documentation.
17181
17182 2009-06-18  Martin Jambor  <mjambor@suse.cz>
17183
17184         * tree-sra.c: Include statistics.h
17185         (sra_stats): New variable.
17186         (sra_initialize): Clear sra_stats.
17187         (create_access_replacement): Increment sra_stats.replacements.
17188         (get_access_replacement): Do not return twice.
17189         (analyze_all_variable_accesses): Increment statistics counter by the
17190         number of scalarized aggregates.
17191         (generate_subtree_copies): Increment sra_stats.subtree_copies.
17192         (sra_modify_expr): Increment sra_stats.exprs.
17193         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
17194         (sra_modify_assign): Increment sra_stats.exprs,
17195         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
17196         (perform_intra_sra): Update statistics counters.
17197         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
17198
17199 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
17200
17201         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
17202         (arm_scalar_mode_supported_p): New function.
17203
17204 2009-06-18  Paul Brook  <paul@codesourcery.com>
17205             Sandra Loosemore  <sandra@codesourcery.com>
17206
17207         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
17208         (__extendhfsf2, __truncsfhf2): Define.
17209         * config/arm/fp16.c: New file.
17210         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
17211         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
17212
17213 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
17214
17215         * doc/extend.texi (Half-Precision): New section.
17216         * doc/invoke.texi (Option Summary): List -mfp16-format.
17217         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
17218         * config/arm/arm.opt (mfp16-format=): New.
17219         * config/arm/arm.c: Include intl.h.
17220         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
17221         (TARGET_INVALID_RETURN_TYPE): Redefine.
17222         (TARGET_PROMOTED_TYPE): Redefine.
17223         (TARGET_CONVERT_TO_TYPE): Redefine.
17224         (arm_fp16_format): Define.
17225         (all_fpus): Add entry for neon-fp16.
17226         (fp_model_for_fpu): Likewise.
17227         (struct fp16_format): Declare.
17228         (all_fp16_formats): Define.
17229         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
17230         functions.
17231         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
17232         and no ldrh.
17233         (arm_legitimate_index_p): Treat HFmode like HImode.
17234         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
17235         (coproc_secondary_reload_class): Special-case HFmode.
17236         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
17237         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
17238         (arm_init_fp16_builtins): New.
17239         (arm_init_builtins): Call it.
17240         (arm_invalid_parameter_type): New.
17241         (arm_invalid_return_type): New.
17242         (arm_promoted_type): New.
17243         (arm_convert_to_type).
17244         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
17245         format.
17246         (arm_emit_fp16_const): New function.
17247         (arm_mangle_type): Mangle __fp16 as "Dh".
17248         * config/arm/arm.h (TARGET_VFPD32): Make it know about
17249         FPUTYPE_NEON_FP16.
17250         (TARGET_NEON_FP16): New.
17251         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
17252         (enum fputype): Add FPUTYPE_NEON_FP16.
17253         (enum arm_fp16_format_type): Declare.
17254         (arm_fp16_format): Declare.
17255         (LARGEST_EXPONENT_IS_NORMAL): Define.
17256         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
17257         * config/arm/arm-modes.def (HFmode): Define.
17258         * config/arm/vfp.md (*movhf_vfp): New.
17259         (extendhfsf2): New.
17260         (truncsfhf2): New.
17261         * config/arm/arm.md (fpu): Add neon_fp16.
17262         (floatsihf2, floatdihf2): New.
17263         (fix_trunchfsi2, fix_trunchfdi2): New.
17264         (truncdfhf2): New.
17265         (extendhfdf2): New.
17266         (movhf): New.
17267         (*arm32_movhf): New.
17268         (*thumb1_movhf): New.
17269         (consttable_2): Add check for HFmode constants.
17270         (consttable_4): Handle HFmode constants.
17271
17272 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
17273
17274         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
17275
17276 2009-06-17  Olivier Hainque  <hainque@adacore.com>
17277
17278         * collect2.c (main): Use CONST_CAST2 to perform char ** to
17279         const char ** conversion in AIX specific section.
17280
17281 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
17282
17283         * config/i386/i386.c (ix86_special_builtin_type): Remove
17284         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
17285         (bdesc_special_args): Updated.
17286         (ix86_init_mmx_sse_builtins): Likewise.
17287         (ix86_expand_special_args_builtin): Likewise.
17288
17289 2009-06-17  Richard Henderson  <rth@redhat.com>
17290
17291         * tree-pretty-print.c (maybe_dump_asm_name): New.
17292         (dump_decl_name): Use it.
17293         (PRINT_FUNCTION_NAME): Merge into...
17294         (dump_function_name): ... here.  Use maybe_dump_asm_name.
17295
17296 2009-06-17  Cary Coutant  <ccoutant@google.com>
17297
17298         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
17299         Change caller.
17300         * debug.c (struct gcc_debug_hooks): Change placeholder for
17301         source_line hook.
17302         (debug_nothing_int_charstar_int): Replaced by...
17303         (debug_nothing_int_charstar_int_bool): ...this.
17304         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
17305         source_line prototype.
17306         (debug_nothing_int_charstar_int): Replaced by...
17307         (debug_nothing_int_charstar_int_bool): ...this.
17308         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
17309         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
17310         Output is_stmt operand when necessary.
17311         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
17312         (notice_source_line): Add is_stmt parameter.
17313         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
17314         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
17315         Change callers.
17316         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
17317         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
17318
17319 2009-06-17  Ian Lance Taylor  <iant@google.com>
17320
17321         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
17322         Change all uses.
17323         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
17324         call uses.
17325
17326 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
17327
17328         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
17329         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
17330         tree_strip_sign_nop_conversions and
17331         tree_ssa_strip_useless_type_conversions rather than stripping
17332         the operations here.
17333         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
17334         Declare them.
17335         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
17336         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
17337         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
17338         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
17339         functions.
17340
17341 2009-06-17  Michael Eager  <eager@eagercon.com>
17342
17343         * config/rs6000/constraints.md (register_constraint "d"): New.
17344         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
17345         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
17346         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
17347         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
17348         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
17349         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
17350         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
17351         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
17352         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
17353         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
17354         __fctiwz): Same.
17355         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
17356         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
17357         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
17358         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
17359         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
17360         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
17361         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
17362         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
17363         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
17364         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
17365         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
17366         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
17367         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
17368         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
17369
17370 2009-06-16  Ian Lance Taylor  <iant@google.com>
17371
17372         * profile.c (total_num_never_executed): Don't define.
17373         (compute_branch_probabilities): Don't count or print
17374         num_never_executed.
17375         (init_branch_prob): Don't set total_num_never_executed.
17376         (end_branch_prob): Don't print total_num_never_executed.
17377
17378 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
17379
17380         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
17381
17382 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
17383
17384         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
17385         (nabstd2_fpr): Same.
17386
17387 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
17388
17389         * expr.c (expand_assignment): Change complex type check.
17390
17391 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
17392
17393         * doc/plugins.texi (Building GCC plugins): Added new section.
17394
17395 2009-06-17  Ian Lance Taylor  <iant@google.com>
17396
17397         * c-pch.c (get_ident): Don't set size of templ array.
17398         (pch_init): Don't set size of partial_pch array.
17399
17400         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
17401         string constant to intialize an array whose size is the length of
17402         the string.
17403
17404 2009-06-17  Richard Guenther  <rguenther@suse.de>
17405
17406         PR tree-optimization/40389
17407         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
17408         to addressable types.
17409         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
17410
17411 2009-06-17  Richard Guenther  <rguenther@suse.de>
17412
17413         PR middle-end/40460
17414         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
17415         if there is no evolution of left in the loop bail out.
17416         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
17417         chrec_fold_multiply.
17418
17419 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
17420             Janis Johnson  <janis187@us.ibm.com>
17421
17422         PR target/39254
17423         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
17424         for the symbol ref of a constant that is the source of a move
17425         - nor for any other not-obvious-label-ref constants.
17426
17427 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
17428
17429         * plugin.c (position_pass): Skip newly inserted pass during list
17430         traversal to avoid repeated insertion.
17431
17432 2009-06-16  Ian Lance Taylor  <iant@google.com>
17433
17434         * vec.h (VEC_stack_alloc): Define different version if
17435         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
17436         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
17437         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
17438         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
17439
17440 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
17441
17442         * config.gcc (extra_headers): Add ia32intrin.h for x86.
17443
17444         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
17445         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
17446         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
17447         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
17448         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
17449         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
17450         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
17451         (bdesc_special_args): Add __builtin_ia32_rdtsc and
17452         __builtin_ia32_rdtscp.
17453         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
17454         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
17455         and __builtin_ia32_rorhi.
17456         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
17457         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
17458         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
17459         (ix86_expand_args_builtin): Likewise.
17460         (ix86_expand_special_args_builtin): Likewise.
17461
17462         * config/i386/i386.md (UNSPECV_RDTSCP): New.
17463         (UNSPECV_RDTSC): Likewise.
17464         (UNSPECV_RDPMC): Likewise.
17465         (*bsr): Renamed to ...
17466         (bsr): This
17467         (*bsr_rex64): Renamed to ...
17468         (bsr_rex64): This.
17469         (rdpmc): New.
17470         (*rdpmc): Likewise.
17471         (*rdpmc_rex64): Likewise.
17472         (rdtsc): Likewise.
17473         (*rdtsc): Likewise.
17474         (*rdtsc_rex64): Likewise.
17475         (rdtscp): Likewise.
17476         (*rdtscp): Likewise.
17477         (*rdtscp_rex64): Likewise.
17478
17479         * config/i386/ia32intrin.h: New.
17480
17481         * config/i386/x86intrin.h: Include <ia32intrin.h>.
17482
17483 2009-06-16  Ian Lance Taylor  <iant@google.com>
17484
17485         * ira-build.c (copy_info_to_removed_store_destinations):
17486         Initialize parent_a.
17487
17488 2009-06-16  Ian Lance Taylor  <iant@google.com>
17489
17490         * c-decl.c (grokdeclarator): Change size_varies to bool.
17491
17492 2009-06-16  Ian Lance Taylor  <iant@google.com>
17493
17494         * sel-sched.c: Make forward declarations of move_op_hooks and
17495         fur_hooks explicitly extern.
17496
17497 2009-06-16  Ian Lance Taylor  <iant@google.com>
17498
17499         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
17500         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
17501
17502 2009-06-16  Ian Lance Taylor  <iant@google.com>
17503
17504         * resource.c (mark_referenced_resources): Change
17505         include_delayed_effects parameter to bool.  Change all callers.
17506         (mark_end_of_function_resources): Likewise.
17507         * reorg.c (insn_references_resource_p): Likewise.
17508         (insn_sets_resource_p): Likewise.
17509         * resource.h (mark_referenced_resources): Update declaration.
17510         (mark_end_of_function_resources): Update declaration.
17511
17512 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
17513
17514         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
17515
17516 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
17517
17518         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
17519         GCC can bootstrap on AIX with GNU Binutils 2.20.
17520
17521 2009-06-16  Ian Lance Taylor  <iant@google.com>
17522
17523         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
17524
17525 2009-06-16  Ian Lance Taylor  <iant@google.com>
17526
17527         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
17528         inline, not extern inline.
17529         (exact_log2): Likewise.
17530         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
17531         test CLZ_HWI.
17532         (exact_log2): Likewise, but don't test CTZ_HWI.
17533
17534 2009-06-16  Ian Lance Taylor  <iant@google.com>
17535
17536         * bitmap.c (bitmap_clear): Don't declare as inline.
17537         * gimple.c (gimplify_assign): Likewise.
17538         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
17539         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
17540         (sched_scan_info): Remove duplicate definition.
17541
17542 2009-06-16  Ian Lance Taylor  <iant@google.com>
17543
17544         * c-common.c (skip_evaluation): Don't define.
17545         (c_inhibit_evaluation_warnings): Define global variable.
17546         (overflow_warning): Check c_inhibit_evaluation_warnings rather
17547         than skip_evaluation.
17548         (convert_and_check, warn_for_div_by_zero): Likewise.
17549         * c-common.h (skip_evaluation): Don't declare.
17550         (c_inhibit_evaluation_warnings): Declare.
17551         * c-parser.c (c_parser_typeof_specifier): Set
17552         c_inhibit_evaluation_warnings rather than skip_evaluation.
17553         (c_parser_conditional_expression): Likewise.
17554         (c_parser_binary_expression): Likewise.
17555         (c_parser_sizeof_expression): Likewise.
17556         (c_parser_alignof_expression): Likewise.
17557         * c-typeck.c (build_indirect_ref): Check
17558         c_inhibit_evaluation_warnings rather than skip_evaluation.
17559         (build_conditional_expr, build_binary_op): Likewise.
17560
17561 2009-06-16  Richard Guenther  <rguenther@suse.de>
17562
17563         * tree-ssa-alias.c (is_escape_site): Remove.
17564         * tree-ssa-alias.h (enum escape_type): Remove.
17565         (is_escape_site): Likewise.
17566         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
17567         via casts and asms without deferring to is_escape_site.
17568
17569 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
17570
17571         PR middle-end/40446
17572         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
17573         use gen_lowpart if op0 has complex mode.
17574
17575 2009-06-16  Richard Guenther  <rguenther@suse.de>
17576
17577         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
17578         variables add them to ESCAPED.
17579         (find_func_aliases): Do not make all indirectly stored values escaped.
17580
17581 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
17582
17583         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
17584         make_decl_one_only.
17585
17586 2009-06-16  Martin Jambor  <mjambor@suse.cz>
17587
17588         PR tree-optimization/40432
17589         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
17590         check whether we need to force gimple register operand.
17591
17592 2009-06-16  Martin Jambor  <mjambor@suse.cz>
17593
17594         PR tree-optimization/40413
17595         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
17596         build_ref_for_offset.
17597         (propagate_subacesses_accross_link): Fix a typo in a comment.
17598
17599 2009-06-16  Ira Rosen  <irar@il.ibm.com>
17600
17601         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
17602         with additional parameter.
17603         * tree-vectorizer.h (enum vect_def_type): Add new value
17604         vect_nested_cycle.
17605         (enum vect_relevant): Add comments.
17606         (vect_is_simple_reduction): Add new argument.
17607         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
17608         Detect nested cycles.
17609         (vect_is_simple_reduction): Update documentation, add an argument to
17610         distinguish inner-loop reduction from nested cycle, detect nested
17611         cycles, fix printings and indentation, don't swap operands in case
17612         of nested cycle.
17613         (get_initial_def_for_reduction): Handle subtraction.
17614         (vect_create_epilog_for_reduction): Add new argument to specify
17615         reduction variable.
17616         (vect_finalize_reduction): Handle subtraction, fix comments.
17617         (vectorizable_reduction): Handle nested cycles. In case of nested
17618         cycle keep track of the reduction variable position. Call
17619         vect_is_simple_reduction with additional parameter. Use original
17620         statement code in reduction epilogue for nested cycle. Call
17621         vect_create_epilog_for_reduction with additional parameter.
17622         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
17623         inner-loop vectorization.
17624         (vect_recog_widen_sum_pattern): Likewise.
17625         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
17626         and reductions.
17627         (vect_mark_stmts_to_be_vectorized): Likewise.
17628         (vect_get_vec_def_for_operand): Handle nested cycles.
17629
17630 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17631
17632         * doc/invoke.texi (Debugging Options): Fix option index entries
17633         for -fdump-statistics, -frandom-seed add entries for
17634         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
17635         (FRV Options): Fix entries for -mTLS, -mtls.
17636         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
17637         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
17638         (M68hc1x Options): Fix @itemx for -mnominmax.
17639         (MCore Options): Fix entry for -mno-lsim.
17640         (MMIX Options): Fix entry for -mabi=mmixware.
17641         (PDP-11 Options): Fix entry for -mbcopy-builtin.
17642
17643 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
17644
17645         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
17646         Mention the plugin mode of gengtype.
17647         * doc/gty.texi (Source Files Containing Type Information): Likewise.
17648         * gengtype.c: Updated copyright.
17649         (plugin_files, nb_plugin_files) Added new static variables.
17650         (measure_input_list) Care about plugin_files.
17651         (write_rtx_next): Added early return in plugin mode.
17652         (create_file): Updated copyright year in generated file. Added
17653         asserts.
17654         (oprintf): Added early return if NULL outf.
17655         (get_output_file_with_visibility): Care of plugin_files.
17656         (get_output_file_name): May return null.
17657         (write_local): Added early return.
17658         (put_mangled_filename): Ditto.
17659         (finish_root_table): Added check for base_files.
17660         (write_roots): Care about null when plugins.
17661         (main): Added plugin mode.
17662
17663 2009-06-15  Ian Lance Taylor  <iant@google.com>
17664
17665         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
17666         * gcov.c (read_count_file): Add braces around variables declared
17667         before label.
17668
17669         * c.opt (Wjump-misses-init): New warning.
17670         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
17671         -Wall and -Wc++-compat if not already set.
17672         (c_common_post_options): Clear warn_jump_misses_init if it was not
17673         set.
17674         * c-decl.c (struct c_binding): Change type field to a union with
17675         new label field.  Make it the first field in the struct.  Update
17676         references to type to use u.type instead.
17677         (struct c_spot_bindings): Define.
17678         (struct c_goto_bindings): Define.
17679         (c_goto_bindings_p): Define, along with VECs.
17680         (struct c_label_vars): Define.
17681         (struct c_scope): Add has_label_bindings field.
17682         (bind_label, set_spot_bindings): New static functions.
17683         (decl_jump_unsafe, update_spot_bindings): New static functions.
17684         (update_label_decls): New static function.
17685         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
17686         Update binding u.label field to shadowed field.
17687         (c_binding_start_stmt_expr): New function.
17688         (c_binding_end_stmt_expr): New function.
17689         (pushdecl): Don't call c_begin_vm_scope.
17690         (make_label): Add defining and p_label_vars parameters.  Change
17691         all callers.
17692         (lookup_label): Correct test for whether a label has not yet been
17693         defined.  Call bind_label rather than bind.
17694         (warn_about_goto): New static function.
17695         (lookup_label_for_goto): New function.
17696         (declare_label): Call bind_label rather than bind.
17697         (check_earlier_gotos): New static function.
17698         (define_label): Don't give errors about jumping into statement
17699         expressions or scopes of variably modified types.  Call
17700         set_spot_bindings and check_earlier_gotos.  Call bind_label
17701         instead of bind.  Don't set label_context_stack_se or
17702         label_context_stack_vm.
17703         (c_get_switch_bindings): New function.
17704         (c_release_switch_bindings): New function.
17705         (c_check_switch_jump_warnings): New function.
17706         (start_function): Don't set label_context_stack_se or
17707         label_context_stack_vm.
17708         (finish_function): Likewise.
17709         * c-typeck.c (label_context_stack_se): Don't define.
17710         (label_context_stack_vm): Don't define.
17711         (c_finish_goto_label): Call lookup_label_for_goto rather than
17712         lookup_label.  Don't give errors about jumping into a statement
17713         expression or the scope of a variably modified type.  Don't set
17714         label_context_stack_se or label_context_stack_vm.
17715         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
17716         fields.  Add bindings field.
17717         (c_start_case): Don't set deleted fields.  Set bindings field.
17718         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
17719         or blocked_vm.  Call c_check_switch_jump_warnings.
17720         (c_finish_case): Don't test blocked_stmt_expr field.  Call
17721         c_release_switch_bindings.
17722         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
17723         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
17724         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
17725         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
17726         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
17727         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
17728         (c_begin_vm_scope, c_end_vm_scope): Don't define.
17729         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
17730         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
17731         (C_DECL_UNJUMPABLE_VM): Don't define.
17732         (C_DECL_UNDEFINABLE_VM): Don't define.
17733         (struct c_label_list): Don't define.
17734         (struct c_label_context_se): Don't define.
17735         (struct c_label_context_vm): Don't define.
17736         (struct c_spot_bindings): Declare.
17737         (c_bindings_start_stmt_expr): Declare.
17738         (c_bindings_end_stmt_expr): Declare.
17739         (lookup_label_for_goto): Declare.
17740         (c_get_switch_bindings, c_release_switch_bindings): Declare.
17741         (c_check_switch_jump_warnings): Declare.
17742         (label_context_stack_se, label_context_stack_vm): Don't declare.
17743         (c_finish_goto_label): Update declaration.
17744         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
17745         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
17746         (Warning Options): Document -Wjump-misses-init.
17747
17748 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
17749
17750         * tree-object-size.c (addr_object_size): Fix a pasto in the last
17751         change.
17752
17753 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
17754
17755         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
17756
17757 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
17758
17759         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
17760
17761 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
17762
17763         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
17764
17765 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
17766
17767         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
17768         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
17769         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
17770         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
17771         * dwarf2asm.c (dw2_force_const_mem): Update call to
17772         make_decl_one_only.
17773         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
17774         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
17775         * langhooks.c (lhd_comdat_group): Remove.
17776         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
17777         * tree.h (DECL_COMDAT_GROUP): New.
17778         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
17779         (tree_decl_with_vis): Add comdat_group. Remove one_only.
17780         (make_decl_one_only): Change signature.
17781         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
17782         make_decl_one_only.
17783         (make_decl_one_only): Change signature.
17784         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
17785
17786 2009-06-15  Richard Guenther  <rguenther@suse.de>
17787
17788         PR middle-end/40439
17789         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
17790
17791 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17792
17793         * tree-ssa-math-opts.c: Remove extra divide.
17794
17795 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17796
17797         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
17798
17799 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17800
17801         * passes.c: Add bswap pass.
17802         * tree-pass.h: Add pass_optimize_bswap declaration.
17803         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
17804         Include rtl.h, expr.h and optabs.h for optab_handler check.
17805         (struct symbolic_number, pass_optimize_bswap): New definition.
17806         (do_shift_rotate, verify_symbolic_number_p): New functions.
17807         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
17808         (gate_optimize_bswap): New function.
17809         * tree.c (widest_int_cst_value): New function.
17810         * tree.h (widest_int_cst_value): Prototype added.
17811
17812 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
17813
17814         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
17815         REG_EQUAL/REG_EQUIV notes.
17816
17817 2009-06-14  Richard Guenther  <rguenther@suse.de>
17818
17819         PR middle-end/40389
17820         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
17821         has its address taken if NRV was applied and it is addressable.
17822         * tree-ssa-structalias.c (get_constraint_for_address_of): New
17823         function split out from ...
17824         (get_constraint_for_1): ... here.
17825         (handle_rhs_call): Use it to mark the return slot escaped if
17826         it is addressable and NRV was applied.
17827
17828 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
17829
17830         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
17831         Change first argument type to location_t.
17832         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
17833         Do not set input_location.
17834         Use loc instead of input_location throughout.
17835
17836 2009-06-13  Richard Guenther  <rguenther@suse.de>
17837
17838         PR tree-optimization/40421
17839         * tree-predcom.c (should_unroll_loop_p): Remove.
17840         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
17841
17842 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
17843
17844         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17845         Add location argument.
17846
17847 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
17848
17849         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
17850         build_decl.
17851         * config/s390/s390.c (s390_build_builtin_va_list): Same.
17852         (s390_gimplify_va_arg): Pass location to create_artificial_label.
17853         * config/spu/spu-protos.h: Add location to
17854         spu_resolve_overloaded_builtin.
17855         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
17856         spu_build_builtin_va_list.
17857         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
17858         argument.  Pass location to build_function_call_vec.
17859         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
17860         build_decl.
17861         (emit_fpu_switch): Same.
17862         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
17863         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
17864         to build_decl and create_artificial_label.
17865         (xtensa_gimplify_va_arg_expr): Same.
17866         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
17867         (xstormy16_gimplify_va_arg_expr): Same.
17868         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
17869         * config/arm/arm.c (arm_build_builtin_va_list): Same.
17870         * config/mips/mips.c (mips_build_builtin_va_list): Same.
17871         (mips16_build_function_stub): Same.
17872         (mips16_build_call_stub): Same.
17873
17874 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
17875
17876         PR target/40327
17877         * arm/constraints.md (Pa, Pb): New constraints.
17878         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
17879         split pattern to deal with them.
17880
17881 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
17882
17883         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
17884         fix index entry for -Xpreprocessor.
17885
17886 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
17887
17888         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17889         Add location argument to build_decl call.
17890         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
17891         (rs6000_init_builtins): Same.
17892         (spe_init_builtins): Same.
17893         (rs6000_gimplify_va_arg): Add location argument to
17894         create_artificial_label call.
17895
17896 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
17897
17898         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
17899         * combine-stack-adj.c (pass_stack_adjustments): Use it.
17900         * Makefile.in: Fix GGC dependency for gcse.o.
17901
17902 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
17903
17904         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
17905         * gimple-pretty-print.c (dump_gimple_stmt): Same.
17906         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
17907         created.
17908         * c-parser.c (c_parser_binary_expression): Use current column while
17909         building binary operations.
17910         * common.opt (fshow-column): Enable by default.
17911         * tree-vrp.c (check_array_ref): Use warning_at.
17912         (check_array_bounds): Use location from call back if expr has no
17913         location.
17914         * tree.h: Add location argument to maybe_fold_*.
17915         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
17916         (maybe_fold_offset_to_array_ref): Add location argument and use it.
17917         (maybe_fold_offset_to_component_ref): Same.
17918         (maybe_fold_offset_to_reference): Same.
17919         (maybe_fold_offset_to_address): Same.
17920         (maybe_fold_stmt_indirect): Same.
17921         (maybe_fold_stmt_addition): Same.
17922         (fold_stmt_r): Pass location to maybe_fold_*.
17923         (fold_gimple_assign): Same.
17924         * c-tree.h: Add location argument to finish_decl,
17925         default_function_array_conversion, store_init_value.
17926         * c-decl.c (define_label): Use error_at.
17927         (c_make_fname_decl): Pass location to finish_decl.
17928         (finish_decl): New location argument.
17929         (build_compound_literal): Pass location to store_init_value.
17930         (grokdeclarator): Pass location to finish_decl.
17931         (grokfield): Same.
17932         * c-typeck.c (array_to_pointer_conversion): New location argument.
17933         (function_to_pointer_conversion): Same.
17934         (default_function_array_conversion): Same.
17935         (parser_build_unary_op): Pass location to overflow_warning.
17936         (parser_build_binary_op): Same.  Use warning_at.
17937         (build_unary_op): Pass location to array_to_pointer_conversion.
17938         (build_c_cast): Pass location to digest_init.
17939         (build_modify_expr): New location argument.
17940         (convert_for_assignment): Same.
17941         (store_init_value): Same.
17942         (digest_init): Same.
17943         (output_init_element): Pass location to digest_init and
17944         array_to_pointer_conversion.
17945         (c_finish_return): Pass location to convert_for_assignment.
17946         * gimplify.c (gimplify_conversion): Pass location to
17947         maybe_fold_offset_to_address.
17948         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
17949         to maybe_fold_stmt_addition.
17950         * c-omp.c (c_finish_omp_atomic): Pass new location to
17951         build_modify_expr.
17952         (c_finish_omp_for): Same.
17953         * c-common.c (overflow_warning): New argument.
17954         * c-common.h: New argument to build_modify_expr, overflow_warning.
17955         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
17956         finish_decl.
17957         (c_parser_initializer): Pass location to
17958         default_function_array_conversion.
17959         (c_parser_initelt): Same.
17960         (c_parser_initval): Same.
17961         (c_parser_asm_operands): Same.
17962         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
17963         (c_parser_conditional_expression): Same.
17964         (c_parser_binary_expression): Add location info to stack.  Use it.
17965         (c_parser_unary_expression): Pass location to
17966         default_function_array_conversion, parser_build_unary_op,
17967         build_indirect_ref, c_parser_postfix_expression_after_primary.
17968         (c_parser_postfix_expression_after_primary): New location argument.
17969         Use it.
17970         (c_parser_expression_conv): Pass location to
17971         default_function_array_conversion.
17972         (c_parser_expr_list): Same.
17973         (c_parser_omp_atomic): Same.
17974         (c_parser_omp_for_loop): Same.
17975         * c-tree.h (struct c_declarator): Add comment to id_loc.
17976         (build_array_declarator): New argument.
17977         * c-decl.c (build_array_declarator): Add location argument.
17978         (grokdeclarator): Set id_loc for cdk_array.
17979         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
17980         build_array_declarator.
17981         * tree.c (build_omp_clause): Add location argument.
17982         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
17983         (OMP_CLAUSE_LOCATION): New macro.
17984         (struct tree_omp_clause): Add location field.
17985         (build_omp_clause): Add argument.
17986         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
17987         build_omp_clause.
17988         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
17989         (cp_parser_omp_clause_collapse): Same.
17990         (cp_parser_omp_clause_default): Same.
17991         (cp_parser_omp_clause_if): Same.
17992         (cp_parser_omp_clause_nowait): Same.
17993         (cp_parser_omp_clause_num_threads): Same.
17994         (cp_parser_omp_clause_ordered): Same.
17995         (cp_parser_omp_clause_schedule): Same.
17996         (cp_parser_omp_clause_untied): Same.
17997         (cp_parser_omp_for_loop): Same.
17998         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
17999         * c-tree.h (c_start_case): Add location argument.
18000         (c_process_expr_stmt): Same.
18001         (c_finish_goto_*): Same.
18002         * tree-parloops.c (initialize_reductions): Pass location to
18003         build_omp_clause.
18004         (create_parallel_loop): Same.
18005         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
18006         (gfc_trans_omp_reduction_list): Same.
18007         (gfc_trans_omp_clauses): Same.
18008         (gfc_trans_omp_do): Same.
18009         * c-typeck.c (c_finish_goto_label): Same.
18010         (c_finish_goto_ptr): New location argument.
18011         (c_start_case): Same.
18012         (emit_side_effect_warnings): Same.
18013         (c_process_expr_stmt): Same.
18014         (c_finish_stmt_expr): Same.
18015         (c_finish_omp_clauses): Use error_at instead of error.
18016         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
18017         build_omp_clause.
18018         * c-omp.c (c_split_parallel_clauses): New location argument.
18019         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
18020         to build_omp_clause.
18021         (convert_local_reference_stmt): Same.
18022         (convert_gimple_call): Same.
18023         * c-common.h (c_split_parallel_clauses): New argument.
18024         * c-parser.c (c_parser_statement_after_labels): Pass location to
18025         c_finish_goto_label.
18026         (c_parser_switch_statement): Pass location to c_start_case.
18027         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
18028         and c_process_expr_stmt.
18029         (c_parser_omp_variable_list): Add location argument.
18030         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
18031         (c_parser_omp_clause_default): Same.
18032         (c_parser_omp_clause_if): Same.
18033         (c_parser_omp_clause_num_threads): Same.
18034         (-c_parser_omp_clause_ordered): Same.
18035         (c_parser_omp_clause_reduction): Pass location to
18036         c_parser_omp_variable_list.
18037         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
18038         (c_parser_omp_clause_untied): Same.
18039         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
18040         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
18041
18042         * c-tree.h (check_for_loop_decls, undeclared_variable,
18043         build_component_ref, build_array_ref, build_external_ref,
18044         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
18045         build_conditional_expr, build_compound_expr, c_cast_expr,
18046         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
18047         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
18048         argument.
18049         * c-semantics.c (build_stmt): Same.
18050         (build_case_label): Same.
18051         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
18052         (undeclared_variable): New argument.
18053         (make_label): Same.
18054         (lookup_label): Pass location on down.
18055         (define_label): Same.
18056         (finish_decl): Same.
18057         (build_compound_literal): Same.
18058         (finish_struct): Same.
18059         (finish_function): Do not set location here.
18060         (check_for_loop_decls): New argument.
18061         * tree.c (save_expr): Set location.
18062         (build_empty_stmt): New argument.
18063         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
18064         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
18065         * builtins.c (gimplify_va_arg_expr): Use locations.
18066         (expand_builtin_sync_operation): Same.
18067         * c-typeck.c (build_component_ref): New argument.
18068         (build_array_ref): Same.
18069         (build_external_ref): Same.
18070         (c_expr_sizeof_expr): Same.
18071         (c_expr_sizeof_type): Same.
18072         (parser_build_unary_op): Same.
18073         (build_conditional_expr): Same.
18074         (build_compound_expr): Pass location on down.
18075         (build_compound_expr): New argument.
18076         (build_c_cast): Same.
18077         (c_cast_expr): Same.
18078         (build_asm_expr): Same.
18079         (c_finish_return): Same.
18080         (c_process_expr_stmt): Pass location on down.
18081         (c_finish_stmt_expr): New argument.
18082         (push_clenaup): Same.
18083         (c_finish_omp_parallel): Same.
18084         (c_finish_omp_task): Same.
18085         * gimplify.c (gimplify_call_expr): Pass location on down.
18086         * c-omp.c (c_finish_omp_master): New argument.
18087         (c_finish_omp_critical): Same.
18088         (c_finish_omp_ordered): Same.
18089         (c_finish_omp_barrier): Same.
18090         (-c_finish_omp_taskwait): Same.
18091         (c_finish_omp_atomic): Same.
18092         (c_finish_omp_flush): Same.
18093         * tree-inline.c (copy_tree_body_r): Pass location on down.
18094         (inline_forbidden_p): Remove use of input_location.
18095         * c-gimplify.c (c_build_bind_expr): New argument.
18096         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
18097         (c_sizeof_or_alignof_type): New argument.
18098         (c_alignof_expr): Same.
18099         (build_va_arg): Same.
18100         (c_add_case_label): Same.
18101         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
18102         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
18103         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
18104         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
18105         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
18106         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
18107         New argument.
18108         * stub-objc.c (objc_build_selector_expr): Same.
18109         (objc_build_throw_stmt): Same.
18110         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
18111         (c_parser_initelt): Same.
18112         (c_parser_compound_statement): Same.
18113         (c_parser_compound_statement_nostart): Same.
18114         (c_parser_label): Same.
18115         (c_parser_statement_after_labels): Same.
18116         (c_parser_if_body): Same.
18117         (c_parser_else_body): Same.
18118         (c_parser_if_statement): Same.
18119         (c_parser_switch_statement): Same.
18120         (c_parser_while_statement): Same.
18121         (c_parser_do_statement): Same.
18122         (c_parser_for_statement): Same.
18123         (c_parser_asm_statement): Same.
18124         (c_parser_conditional_expression): Same.
18125         (c_parser_binary_expression): Same.
18126         (c_parser_cast_expression): Same.
18127         (c_parser_unary_expression): Same.
18128         (c_parser_sizeof_expression): Same.
18129         (c_parser_alignof_expression): Same.
18130         (c_parser_postfix_expression): Same.
18131         (c_parser_expression): Same.
18132         (c_parser_objc_receiver): Same.
18133         (c_parser_omp_variable_list): Same.
18134         (c_parser_omp_structured_block): Same.
18135         (c_parser_omp_atomic): New argument.
18136         (c_parser_omp_barrier): Same.
18137         (c_parser_omp_critical): Same.
18138         (c_parser_omp_flush): Pass location on down.
18139         (c_parser_omp_for_loop): New argument.
18140         (c_parser_omp_for): Same.
18141         (c_parser_omp_master): Same.
18142         (c_parser_omp_ordered): Same.
18143         (c_parser_omp_sections_scope): Same.
18144         (c_parser_omp_sections): Same.
18145         (c_parser_omp_parallel): Same.
18146         (c_parser_omp_single): Same.
18147         (c_parser_omp_task): Same.
18148         (c_parser_omp_taskwait): Pass location on down.
18149         (c_parser_omp_construct): Same.
18150         (c_parser_omp_threadprivate): Same.
18151         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
18152         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
18153         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
18154         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
18155         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
18156         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
18157         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
18158         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
18159         config/i386/i386.c, stmt.c:
18160         Add location argument to the following function definitions and/or
18161         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
18162         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
18163         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
18164         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
18165         do_case, c_finish_bc_stmt, build_compound_literal,
18166         build_function_call.
18167         * c-decl.c (build_compound_literal): Add location argument.
18168         Make all diagnostic calls use location.
18169         (start_struct): Same.
18170         (finish_struct): Same.
18171         (start_enum): Same.
18172         (build_enumerator): Same.
18173         (start_function): Same.
18174         (grokdeclarator): Make all diagnostic calls use location.
18175         (store_parm_decls_oldstyle): Same.
18176         * c-typeck.c (build_function_call): Add location argument.
18177         Make all diagnostic calls use location.
18178         (do_case): Same.
18179         (c_finish_bc_stmt): Same.
18180         * tree-nested.c (get_trampoline_type): Add argument.
18181         Pass location to build_decl.
18182         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
18183         * rtl.h (RTL_LOCATION): New.
18184         * c-common.c (c_add_case_label): Add location argument.
18185         Make all diagnostic calls use location.
18186         * c-common.h: Add location argument to make_fname_decl, do_case,
18187         c_add_case_label, build_function_call, resolve_overloaded_builtin.
18188         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
18189         Set it appropriately for every case.  Pass enum_loc to start_enum
18190         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
18191         parser_xref_tag.
18192         (c_parser_struct_or_union_specifier): Save location.  Use it for
18193         start_struct, finish_struct, and parser_xref_tag.
18194
18195 2009-06-12  Ian Lance Taylor  <iant@google.com>
18196
18197         * fold-const.c (fold_unary): Rename local variable and to and_expr.
18198
18199         * c-opts.c (c_common_handle_option): For -Wc++-compat set
18200         cpp_opts->warn_cxx_operator_names.
18201
18202 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18203
18204         PR tree-opt/38865
18205         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
18206         is returns NULL and OP is a VCE, look through the VCE.
18207
18208 2009-06-12  Ian Lance Taylor  <iant@google.com>
18209
18210         PR bootstrap/40430
18211         * collect2.c (main): Use CONST_CAST2 in code inside #if
18212         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
18213
18214 2009-06-12  Joey Ye  <joey.ye@intel.com>
18215
18216         PR middle-end/39146
18217         * cfgexpand.c (get_decl_align_unit): Update
18218         max_used_stack_slot_alignment with align instead of
18219         stack_alignment_needed.
18220
18221         * function.c (assign_stack_local_1): Update
18222         max_used_stack_slot_alignment with alignment_in_bits instead
18223         of stack_alignment_needed.
18224         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
18225         here.
18226
18227 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
18228
18229         * dwarf2out.c (last_var_location_insn): New variable.
18230         (dwarf2out_end_epilogue): Clear last_var_location_insn.
18231         (dwarf2out_var_location): Don't record anything after last real
18232         insn.  Only change labels if there were any real instructions
18233         in between last note and this one, or if changed sections.
18234
18235 2009-06-11  Richard Henderson  <rth@redhat.com>
18236
18237         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
18238         note when storing the frame pointer in a register.
18239         (FRP): Don't redefine to nothing for epilogue.
18240         (alpha_expand_epilogue): Mark register and sp restores.
18241         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
18242
18243         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
18244         when gen_lowpart is needed.
18245
18246 2009-06-11  Richard Henderson  <rth@redhat.com>
18247
18248         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
18249
18250         * dwarf2out.c (need_data_align_sf_opcode): New.
18251         (div_data_align): Move earlier.
18252         (def_cfa_1, reg_save): Use it.
18253
18254 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
18255
18256         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
18257         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
18258         (ix86_handle_option): Handle OPT_mcrc32.
18259         (ix86_target_string): Add -mcrc32.
18260         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
18261
18262         * config/i386/i386.h (TARGET_CRC32): New.
18263
18264         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
18265         (sse4_2_crc32di): Likewise.
18266
18267         * config/i386/i386.opt (mcrc32): New.
18268
18269         * doc/invoke.texi: Document -mcrc32.
18270
18271 2009-06-11  Richard Henderson  <rth@redhat.com>
18272
18273         * common.opt (gdwarf-): Accept a version number.
18274         * doc/invoke.texi (gdwarf-): Update docs.
18275         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
18276         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
18277         version level, and record it.
18278
18279         * dwarf2.h (DW_CIE_VERSION): Remove.
18280         * dwarf2out.c (DWARF_VERSION): Remove.
18281         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
18282         (output_call_frame_info): Use CIE version 3 for dwarf3,
18283         or if the return register column is out of range for version 1.
18284         (dwarf_stack_op_name): Add all dwarf3 values.
18285         (DEBUG_PUBTYPES_SECTION): New.
18286         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
18287         encoding change for dwarf3.
18288         (output_die) [dw_val_class_die_ref]: Likewise.
18289         (output_compilation_unit_header): Emit correct version for dwarf3.
18290         (output_line_info): Likewise.
18291         (output_pubnames): Update for DWARF_VERSION removal.
18292         (output_aranges): Likewise.
18293         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
18294         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
18295         (dwarf2out_finish): Likewise.
18296
18297 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
18298
18299         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
18300         in r148403.
18301
18302 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
18303
18304         PR c/39252
18305         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
18306         * builtins.c (expand_builtin_unreachable): New function.
18307         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
18308         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
18309         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
18310         successors.
18311         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
18312         searching for missing barriers.
18313
18314 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
18315
18316         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
18317         when -fprofile-generate* was passed.
18318         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
18319
18320 2009-06-11  Anthony Green  <green@moxielogic.com>
18321
18322         * config/moxie/moxie.md: Define length attribute for all instructions.
18323         (rCC): Define.
18324         (*b<cond:code>): Support limited branch ranges for new PC-relative
18325         branch instructions.
18326         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
18327
18328 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
18329
18330         * config/i386/i386.c (min_insn_size): Use get_attr_length
18331         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
18332         For __asm return 0.
18333
18334         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
18335         instead of emit_insn_before.
18336
18337 2009-06-10  Ian Lance Taylor  <iant@google.com>
18338
18339         PR bootstrap/40408
18340         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
18341         GIMPLE_SWITCH.
18342
18343 2009-06-10  Revital Eres  <eres@il.ibm.com>
18344
18345         * passes.c (init_optimization_passes): Reschedule
18346         predictive-commoning pass before complete unroll pass.
18347
18348 2009-06-10  Martin Jambor  <mjambor@suse.cz>
18349
18350         * cgraph.c (cgraph_node_can_be_local_p): New function.
18351         (cgraph_make_node_local): New function.
18352         * cgraph.h (cgraph_node_can_be_local_p): Declare.
18353         (cgraph_make_node_local): Declare.
18354
18355 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
18356
18357         * tree.h (tree_base): Add packed_flag and user_align fields.
18358         Decrease size of spare field.
18359         (TYPE_USER_ALIGN): Use user_align from tree_base.
18360         (DECL_USER_ALIGN): Likewise.
18361         (TYPE_PACKED): Use packed_flag from tree_base.
18362         (DECL_PACKED): Likewise.
18363         (tree_type): Delete packed_flag and user_align fields.  Widen
18364         precision field.  Widen mode field and shuffle fields to align
18365         mode on an 8-bit boundary.
18366         (tree_decl_common): Delete decl_flag_1 and user_align fields.
18367         Renumber decl_flag_* fields.  Fix comments.  Widen
18368         decl_common_unused field.
18369         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
18370         (DECL_EXTERNAL): Likewise.
18371         (DECL_BIT_FIELD): Likewise.
18372         (DECL_NONADDRESSABLE_P): Likewise.
18373         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
18374         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
18375
18376 2009-06-10  Ian Lance Taylor  <iant@google.com>
18377
18378         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
18379         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
18380         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
18381         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
18382         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
18383         DEF_VEC_ALLOC_FUNC_P.
18384         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
18385         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
18386         DEF_VEC_ALLOC_FUNC_O.
18387         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
18388         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
18389         DEF_VEC_ALLOC_FUNC_I.
18390         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
18391         (vec_stack_p_reserve_exact_1): Declare.
18392         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
18393         (vec_stack_free): Declare.
18394         (VEC_stack_alloc): Define.
18395         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
18396         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
18397         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
18398         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
18399         for void_p.
18400         (stack_vecs): New static variable.
18401         (vec_stack_p_reserve_exact_1): New function.
18402         (vec_stack_o_reserve_1): New static function.
18403         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
18404         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
18405         (vec_stack_free): New function.
18406         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
18407         (VEC_df_ref_stack_alloc): Define.
18408         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
18409         DEF_VEC_ALLOC_P_STACK.
18410         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
18411         (struct df_collection_rec): Change _vec fields to VEC.  Remove
18412         _use fields.
18413         (df_free_collection_rec): Adjust for new fields.
18414         (df_insn_rescan): Use new df_collection_rec fields.
18415         (df_notes_rescan, df_canonize_collection_rec): Likewise.
18416         (df_ref_create_structure, df_ref_record): Likewise.
18417         (df_get_conditional_uses, df_get_call_refs): Likewise.
18418         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
18419         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
18420         (df_record_exit_block_uses, df_bb_verify): Likewise.
18421         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
18422         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
18423         Remove count parameter.  Change return type to void.  Change all
18424         callers.
18425         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
18426         Remove count parameter.  Change return type to void.  Change all
18427         callers.
18428         (df_install_refs): Change old_vec parameter to VEC.  Remove count
18429         parameter.  Change all callers.
18430         (df_install_mws): Change old_vec parameter to VEC.  Remove count
18431         parameter.  Change all callers.
18432         (df_refs_verify): Change new_rec parameter to VEC.  Change call
18433         callers.
18434         (df_mws_verify): Likewise.
18435
18436 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
18437
18438         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
18439
18440 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
18441
18442         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
18443
18444 2009-06-10  Anthony Green  <green@moxielogic.com>
18445
18446         * config/moxie/crti.asm: New file.
18447         * config/moxie/crtn.asm: New file.
18448         * config/moxie/moxie.c: New file.
18449         * config/moxie/moxie.h: New file.
18450         * config/moxie/sfp-machine.h: New file.
18451         * config/moxie/moxie-protos.h: New file.
18452         * config/moxie/t-moxie: Created.
18453         * config/moxie/t-moxie-softfp: Created.
18454         * config/moxie/moxie.md: Created.
18455         * config/moxie/constraints.md: Created.
18456         * config.gcc: Add moxie support.
18457         * doc/md.texi (Machine Constraints): Add moxie constraints.
18458         * doc/contrib.texi (Contributors): Mention moxie port.
18459         * doc/install.texi (Specific): Mention the moxie port.
18460
18461 2009-06-09  Ian Lance Taylor  <iant@google.com>
18462
18463         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
18464         compiling with C++.
18465         * optabs.c (optab_table): Only use designated initializers if
18466         HAVE_DESIGNATED_INITIALIZERS is defined.
18467         (convert_optab_table): Likewise.
18468         (init_optabs): Always call init_insn_codes if
18469         HAVE_DESIGNATED_INITIALIZERS is not defined.
18470
18471 2009-06-09  Ian Lance Taylor  <iant@google.com>
18472
18473         * targhooks.c (default_builtin_vectorized_function): Change fn
18474         parameter to unsigned int.
18475         (default_builtin_vectorized_conversion): Change code parameter to
18476         unsigned int.
18477         (default_builtin_reciprocal): Change fn parameter to unsigned int.
18478         * targhooks.h: Update declarations.
18479         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
18480         parameter to unsigned int.
18481
18482         * c-typeck.c (comptypes_check_enum_int): New static function.
18483         (comptypes_internal): Add enum_and_int_p parameter.  Change all
18484         callers.
18485         (comp_target_types): Add location parameter.  Change all callers.
18486         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
18487         Change all callers.
18488         (function_types_compatible_p, type_lists_compatible_p): Likewise.
18489         (build_conditional_expr): Add colon_loc parameter.  Change all
18490         callers.
18491         (convert_for_assignment): Add location parameter.  Change all callers.
18492         * c-parser.c (c_parser_conditional_expression): Pass location of
18493         colon to build_conditional_expr.
18494         * c-tree.h (build_conditional_expr): Update declaration.
18495
18496 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
18497
18498         * graphite.c: Revert previous patch.
18499
18500 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
18501
18502         PR bootstrap/40103
18503         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
18504
18505 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
18506
18507         * tree-ssa-loop-prefetch.c
18508         (loop_prefetch_arrays): Fixed a portability problem in printf format
18509         string.
18510
18511 2009-06-09  Martin Jambor  <mjambor@suse.cz>
18512
18513         PR tree-optimization/40351
18514         * tree-sra.c (propagate_subacesses_accross_link): Check that a
18515         refrence to a potential artifical subaccess can be constructed.
18516
18517 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
18518
18519         * config/sh/sh-protos.h (sh_optimization_options): Declare.
18520         (sh_override_options): Likewise.
18521         * config/sh/sh.c: Include params.h.
18522         (sh_optimization_options): New.
18523         (sh_override_options): Likewise.
18524         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
18525         (OVERRIDE_OPTIONS): Use sh_override_options.
18526
18527 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
18528
18529         * dwarf2out.c (emit_cfa_remember): New variable.
18530         (add_fde_cfi): If emit_cfa_remember, recurse to add
18531         DW_CFA_remember_state first.
18532         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
18533         instead just set emit_cfa_remember.
18534
18535 2009-06-08  Jan Hubicka  <jh@suse.cz>
18536
18537         PR debug/40126
18538         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
18539
18540 2009-06-08  Jan Hubicka  <jh@suse.cz>
18541
18542         PR middle-end/39834
18543         * cgraphunit.c (save_inline_function_body): Do not copy transform
18544         hooks for saved inline bodies.
18545         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
18546         for given function.
18547
18548 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
18549
18550         * jump.c (returnjump_p): Handle delayed branches.  Add missing
18551         function comment.
18552
18553 2009-06-08  Jan Hubicka  <jh@suse.cz>
18554
18555         PR middle-end/40102
18556         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
18557         original node might've been modified.
18558         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
18559
18560 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
18561
18562         * tree-object-size.c (addr_object_size): Add OSI argument.
18563         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
18564         (compute_builtin_object_size, expr_object_size): Adjust callers.
18565         (plus_stmt_object_size): Call addr_object_size instead of
18566         compute_builtin_object_size.
18567
18568 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
18569             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
18570
18571         * tree-ssa-loop-prefetch.c
18572         (gather_memory_references): Introduced a counter for the number of
18573         memory references.
18574         (anything_to_prefetch_p): Introduced a counter for the number of
18575         prefetches.
18576         (is_loop_prefetching_profitable): New function with a cost model
18577         for prefetching.
18578         (loop_prefetch_arrays): Use the new cost model to determine if
18579         prefetching is profitable.
18580         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
18581         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
18582         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
18583         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
18584         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
18585         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
18586
18587 2009-06-08  Michael Matz  <matz@suse.de>
18588
18589         PR debug/40012
18590         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
18591         partitions use the same.
18592         (expand_one_var): Deal with DECL_RTL sometimes begin set also
18593         for basevars of SSA_NAMEs.
18594         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
18595         to not expand them twice.
18596         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
18597         multiple places.
18598
18599 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
18600
18601         * common.opt (fcompare-debug=, fcompare-debug-second): New.
18602         (fdump-final-insns=, gtoggle): New.
18603         * doc/invoke.texi: Document them.
18604         * final.c (rest_of_clean_state): Dump final insn stream.
18605         * gcc.c (invoke_as): Hook in -fcompare-debug.
18606         (static_spec_functions): Add compare-debug-dump-opt,
18607         compare-debug-self-opt and compare-debug-auxbase-opt.
18608         (compare_debug, compare_debug_second, compare_debug_opt): New.
18609         (switches_debug_check, n_switches_debug_check): New.
18610         (debug_auxbase_opt, debug_check_temp_file): New.
18611         (process_command): Handle -fno-compare-debug, -fcompare-debug and
18612         -fcompare-debug=*.
18613         (do_self_spec): Handle arguments after switches.
18614         (do_spec_1): Add .gk extension to temp file basenames for compare.
18615         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
18616         (cc1_options): Use it instead of normal auxbase computation for
18617         the second compare-debug compilation.
18618         (compare_files): New.
18619         (main): Set up and implement compare debug mode.
18620         (compare_debug_dump_opt_spec_function): New.
18621         (compare_debug_self_opt_spec_function): New.
18622         (compare_debug_auxbase_opt_spec_function): New.
18623         * toplev.c (process_options): Handle flag_gtoggle,
18624         flag_dump_final_insns.
18625         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
18626         during -fcompare-debug-second compilation.
18627
18628 2009-06-07  Ian Lance Taylor  <iant@google.com>
18629
18630         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
18631         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
18632
18633         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
18634         with no default node.  Change warning with %H to warning_at.
18635         Don't clear warn_switch around case checking.
18636         * doc/invoke.texi (Warning Options): Clarify distinction between
18637         -Wswitch and -Wswitch-enum.
18638
18639 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18640
18641         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
18642
18643 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18644
18645         * gbl-ctors.h: Add header guard.
18646
18647 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18648
18649         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
18650         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
18651         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
18652         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
18653         prototypes for removed functions.
18654         (expressions_equal_p): Move to ...
18655         * tree-ssa-sccvn.h: ... here and ...
18656         * matrix-reorg.c: ... adjust includes.
18657
18658 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18659
18660         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
18661
18662 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18663
18664         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
18665         (finish_function): Remove erroneous whitespace.
18666
18667 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18668
18669         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
18670         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
18671
18672 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18673
18674         * errors.c (internal_error): Commentary typo fix.
18675         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
18676         * tree-ssa-pre.c: Ditto.
18677
18678 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
18679
18680         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
18681         them is supposed to hold actual statements.
18682
18683 2009-06-06  Ian Lance Taylor  <iant@google.com>
18684
18685         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
18686         empty statements can now have attributes.
18687
18688 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
18689
18690         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
18691         * config/mips/mips.md: Ditto.
18692
18693 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
18694
18695         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
18696         _RELOCATABLE.
18697         (__eabi_uconvert): Likewise.
18698
18699 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
18700
18701         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
18702         CFI_* definitions with IN_GCC.
18703
18704 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
18705
18706         * xcoffout.h (xcoffout_source_line): Update prototype.
18707
18708 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18709
18710         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
18711         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
18712
18713 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
18714
18715         PR middle-end/40340
18716         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
18717         inlined_function_outer_scope_p blocks for artificial inlines
18718         even at -g0/-g1.
18719         * tree.c (tree_nonartificial_location): Rewrite using
18720         block_nonartificial_location.
18721
18722 2009-06-05  Revital Eres  <eres@il.ibm.com>
18723             Leehod Baruch  <leehod@il.ibm.com>
18724
18725         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
18726         (expand_expr_real_1): Remove comment.
18727         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
18728         Vectorize misaligned access when the target supports it.
18729         (vect_supportable_dr_alignment): Check for unaligned access support.
18730         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
18731         and remove asset.
18732
18733 2009-06-05  Julian Brown  <julian@codesourcery.com>
18734
18735         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
18736         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
18737
18738 2009-06-05  Richard Guenther  <rguenther@suse.de>
18739
18740         PR bootstrap/40350
18741         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
18742         as possibly unused.
18743
18744 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
18745
18746         * config/s390/s390.c (global_not_special_regno_p): New static inline.
18747         (save_gprs): Don't tell unwinder when a global register is saved.
18748         (s390_emit_epilogue): Emit needed epilogue unwind info.
18749
18750 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
18751
18752         * dwarf2out.c (deferred_asm_name): New.
18753         (add_name_and_src_coords_attributes): Defer creation of
18754         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
18755         computed yet.
18756         (move_linkage_attr): New.
18757         (dwarf2out_finish): Revisit deferrals and emit attributes at the
18758         right place.
18759
18760 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
18761
18762         * tree-nested.c (finalize_nesting_tree_1): Declare the
18763         frame_decl in the binding tree.
18764
18765 2009-06-04  Cary Coutant  <ccoutant@google.com>
18766
18767         * basic-block.h (struct basic_block_def): Add discriminator field.
18768         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
18769         callers.
18770         * debug.c (do_nothing_debug_hooks): Add additional entry.
18771         (debug_nothing_int_charstar_int): New function.
18772         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
18773         (debug_nothing_int_charstar_int): New declaration.
18774         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
18775         discriminator value in .loc directive.
18776         * final.c (last_discriminator): New variable.
18777         (discriminator): New variable.
18778         (final_start_function): Initialize above variables, pass current
18779         discriminator to debug hook.
18780         (notice_source_line): Check for discriminator change.
18781         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
18782         * sdbout.c (sdbout_source_line): New parameter.
18783         * tree-cfg.c (struct locus_discrim_map): New structure type.
18784         (discriminator_per_locus): New hash table.
18785         (build_gimple_cfg): Allocate and free discriminator hash table.
18786         (make_edges): Call assign_discriminator.
18787         (locus_map_hash): New function.
18788         (locus_map_eq): New function.
18789         (next_discriminator_for_locus): New function.
18790         (same_line_p): New function.
18791         (assign_discriminator): New function.
18792         (make_cond_expr_edges): Call assign_discriminator.
18793         (make_gimple_switch_edges): Likewise.
18794         (first_non_label_stmt): New function.
18795         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
18796         all callers.
18797         * xcoffout.c (xcoffout_source_line): Add new parameter.
18798
18799         * configure.ac (gcc_cv_as_discriminator): New configury check for
18800         gas support for discriminator.
18801         * configure: Regenerate.
18802         * config.in: Regenerate.
18803
18804 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18805
18806         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
18807         val after checking for integers.
18808
18809 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
18810
18811         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
18812         X64_REGPARM_MAX.
18813         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
18814         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
18815         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
18816         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
18817         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
18818         X64_SSE_REGPARM_MAX.
18819         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
18820         X64_SSE_REGPARM_MAX.
18821
18822 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
18823
18824         * gcc.c (report_times_to_file): New.
18825         (execute): Implement it.
18826         (process_command): Support -time=.
18827         * doc/invoke.texi: Document it.
18828
18829 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
18830
18831         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
18832         that have value exprs.
18833
18834 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
18835
18836         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
18837         declarations for constants until...
18838         (dw2_output_indirect_constant_1): ... this point.
18839
18840 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
18841
18842         PR target/10242
18843         * arm.md (arm_addsi3): Don't try to split an add with an
18844         eliminable register until after reload has completed.
18845
18846 2009-06-03  Ian Lance Taylor  <iant@google.com>
18847
18848         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
18849         * genattrtab.c (write_length_unit_log): Likewise.
18850         * genchecksum.c (dosum): Likewise.
18851         * gengtype.c (write_rtx_next): Likewise.
18852         (finish_root_table, write_roots): Likewise.
18853         * gimple.c (gimple_ops_offset_): Likewise.
18854         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
18855         * config/arc/arc.c (arc_attribute_table): Likewise.
18856         * config/arm/arm.c (arm_attribute_table): Likewise.
18857         * config/avr/avr.c (avr_attribute_table): Likewise.
18858         * config/crx/crx.c (crx_attribute_table): Likewise.
18859         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
18860         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
18861         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
18862         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
18863         * config/sh/sh.c (sh_attribute_table): Likewise.
18864         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
18865         * config/spu/spu.c (spu_attribute_table): Likewise.
18866         * config/v850/v850.c (v850_attribute_table): Likewise.
18867
18868         * config/alpha/alpha.c (vms_attribute_table): Make static.
18869         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
18870         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
18871         * config/mips/mips.c (mips_attribute_table): Likewise.
18872
18873         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
18874         $(SYSTEM_H).
18875         (cc1-checksum.o): Likewise.
18876
18877 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
18878
18879         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
18880
18881 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
18882
18883         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
18884         insn if it is changing sp.  Use gen_add3_insn instead of
18885         conditionally gen_addsi3 and gen_adddi3.
18886         (offset_below_red_zone_p): New static inline function.
18887         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
18888         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
18889         * config/rs6000/ppc-asm.h: Include auto-host.h.
18890         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
18891         CFI_RESTORE): Define.
18892         * config/rs6000/crtresxgpr.asm: Add unwind info.
18893         * config/rs6000/crtresxfpr.asm: Likewise.
18894         * config/rs6000/crtresgpr.asm: Likewise.
18895         * config/rs6000/crtresfpr.asm: Likewise.
18896         * config/rs6000/crtsavgpr.asm: Likewise.
18897         * config/rs6000/crtsavfpr.asm: Likewise.
18898
18899         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
18900         argument of DWARF2_FRAME_REG_OUT macros.
18901
18902 2009-06-03  Julian Brown  <julian@codesourcery.com>
18903
18904         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
18905         words or less (including TImode) in core registers.
18906
18907 2009-06-03  Richard Guenther  <rguenther@suse.de>
18908
18909         PR middle-end/40328
18910         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
18911
18912 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
18913
18914         * statistics.c (statistics_counter_event): Do not record event
18915         in pass dump if its number == -1.
18916         (curr_statistics_hash): Add assert that we never get passes
18917         with static number == -1.
18918
18919 2009-06-03  Richard Guenther  <rguenther@suse.de>
18920             Andrey Belevantsev  <abel@ispras.ru>
18921
18922         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
18923         non-BLKmode arrays addressable.
18924
18925 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
18926
18927         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
18928         * config/m68k/m68k.h: ... here.
18929
18930 2009-06-03  Martin Jambor  <mjambor@suse.cz>
18931
18932         PR tree-optimization/40323
18933         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
18934         assignment.
18935
18936 2009-06-03  Richard Guenther  <rguenther@suse.de>
18937
18938         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
18939         consistently.
18940
18941 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
18942
18943         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
18944         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
18945         JUMP_TABLE_DATA_P where applicable.
18946         * config/sh/sh.c: Ditto.
18947         * config/sh/sh.h: Ditto.
18948         * config/sh/sh.md: Ditto.
18949         * config/sh/symbian.c: Ditto.
18950
18951 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
18952
18953         * config/i386/driver-i386.c (describe_cache): Optimize
18954         concatenation of strings.  Use snprintf instead of sprintf.
18955         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
18956         target when not compiling with GCC.
18957
18958 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
18959
18960         * config/sh/sh.c: Revert last change.
18961         (sh_expand_epilogue): Emit a blockage insn before the frame
18962         pointer adjustment unconditionally.
18963
18964 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
18965
18966         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
18967         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
18968         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
18969         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
18970         to COLLECT_GCC_OPTIONS.
18971
18972 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
18973
18974         * collect2.c (target_system_root): New variable.
18975         (main): Handle --sysroot=.
18976         (ignore_library): Strip the sysroot from the library path.
18977
18978 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
18979
18980         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
18981         (collect2.o): Depend on collect2-aix.h.
18982         (collect2-aix.o): New rule.
18983         * collect2-aix.h: New file.
18984         * collect2-aix.c: Likewise.
18985         * collect2.c: Include collect2-aix.h.  Don't undefine
18986         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
18987         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
18988         Use TARGET_AIX_VERSION instead of _AIX51.
18989         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
18990         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
18991         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
18992         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
18993         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
18994
18995 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
18996
18997         * collect2.c (ignore_library): Avoid premature post-increment
18998         and null deference.
18999
19000 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
19001
19002         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
19003         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
19004         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
19005         CROSS_DIRECTORY_STRUCTURE too.
19006         (LINK_LIBG_SPEC): Likewise.
19007         (LIB_SPEC): Add %R to sysroot paths.
19008         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
19009         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
19010         * config/rs6000/aix51.h: As for aix43.h.
19011         * config/rs6000/aix52.h: Likewise.
19012         * config/rs6000/aix53.h: Likewise.
19013         * config/rs6000/aix61.h: Likewise.
19014         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
19015         to the beginning of sysroot paths.
19016
19017 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19018
19019         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
19020         INSN_LISTs that are out of the REG_NOTE range.
19021
19022 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19023
19024         * loop-unroll.c (struct iv_to_split): Add pointer to next.
19025         (struct var_to_expand): Likewise.
19026         (struct opt_info): Add head and tail for linked lists of the above.
19027         (analyze_insn_to_expand_var): Initialize next.
19028         (analyze_iv_to_split_insn): Likewise.
19029         (analyze_insns_in_loop): Create linked lists.
19030         (allocate_basic_variable): Simplify for use without hash table.
19031         (insert_var_expansion_initialization): Likewise, make it type-safer.
19032         (combine_var_copies_in_loop_exit): Likewise.
19033         (apply_opt_in_copies): Walk lists rather than hash tables.
19034         (release_var_copies): Simplified and inlined by hand into...
19035         (free_opt_info): ... this function.
19036
19037 2009-06-02  Richard Guenther  <rguenther@suse.de>
19038
19039         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
19040         for field decls.
19041
19042 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19043
19044         * cfgexpand.c (gimple_expand_cfg): Discard the source location
19045         only for builtins that are not overridden.
19046
19047 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19048
19049         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
19050         label string.
19051
19052 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19053
19054         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
19055
19056 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19057
19058         * combine.c (move_deaths): Compare LUIDs within the same BB only.
19059
19060 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
19061
19062         * common.opt (fdump-unnumbered-links): New.
19063         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
19064         * print-rtl.c (flag_dump_unnumbered_links): New.
19065         (print_rtx): Test it.
19066
19067 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
19068
19069         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
19070         push/pop multiple to 8-byte alignment.
19071
19072 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
19073
19074         * config/i386/i386.c (queued_cfa_restores): New static variable.
19075         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
19076         functions.
19077         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
19078         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
19079         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
19080         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
19081         note unconditionally.
19082         (ix86_emit_restore_regs_using_mov): Likewise.
19083         (ix86_emit_restore_sse_regs_using_mov): Likewise.
19084         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
19085         it through to ix86_emit_restore_reg_using_pop.
19086         (ix86_emit_leave): Add RED_OFFSET argument.  Call
19087         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
19088         instead of adding REG_CFA_OFFSET note unconditionally.
19089         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
19090         the above functions.  Call ix86_add_queued_cfa_restore_notes when
19091         needed.
19092
19093         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
19094         force output of the label even for dwarf2out_do_cfi_asm.
19095         (add_fde_cfi): If -g2 and above and cfi might change CFA,
19096         force creation of CFI label and chain DW_CFA_set_loc jumping to it
19097         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
19098         caller.
19099         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
19100         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
19101         dwarf2out_cfi_label callers.
19102         * tree.h (dwarf2out_cfi_label): Adjust prototype.
19103         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
19104         Adjust dwarf2out_cfi_label callers.
19105         * config/vax/vax.c (vax_output_function_prologue): Likewise.
19106
19107         * config/i386/i386.h (struct machine_cfa_state,
19108         struct machine_function): Guard with ifndef USED_FOR_TARGET
19109         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
19110
19111         PR other/40024
19112         * emutls.c (__emutls_get_address): Change arr->size to mean number
19113         of allocated arr->data entries instead of # of slots + 1.
19114
19115         PR middle-end/40316
19116         * recog.c (peep2_reinit_state): New function.
19117         (peephole2_init_state): Use it at the end of a basic block and also
19118         when seeing a RTX_FRAME_RELATED_P insn.
19119
19120 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
19121
19122         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
19123         fixuns_truncrfdi2): New.
19124         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
19125         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
19126         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
19127         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
19128         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
19129         *recip_approx): Remove.
19130         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
19131         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
19132         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
19133         move to div.md.
19134         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
19135         setf_exp_rf): New.
19136
19137 2009-06-01  Ian Lance Taylor  <iant@google.com>
19138
19139         * attribs.c (register_attribute): Use CONST_CAST.
19140         * collect2.c (main): Use CONST_CAST2.
19141         (scan_prog_file): Likewise.
19142         * gcc.c (process_command, main): Likewise.
19143         * toplev.c (toplev_main): Likewise.
19144
19145         * c-typeck.c (handle_warn_cast_qual): New static function,
19146         partially broken out of build_c_cast.
19147         (build_c_cast): Call handle_warn_cast_qual.
19148         * doc/invoke.texi (Warning Options): Document new effect of
19149         -Wcast-qual.
19150
19151 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
19152
19153         * diagnostic.c (diagnostic_build_prefix): Always print columns.
19154         (diagnostic_report_current_module): Print columns.
19155         * common.opt (flag_show_column): Enable by default.
19156
19157 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
19158
19159         * alias.c (find_base_term): Check for NULL term before returning.
19160
19161 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
19162
19163         Revert due to PR40320:
19164         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
19165         * calls.c (emit_library_call_value_1): Don't force_operand for move
19166         and push insns.
19167
19168 2009-06-01  Olivier Hainque  <hainque@adacore.com>
19169             Eric Botcazou  <ebotcazou@adacore.com>
19170
19171         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
19172         to be processed as a bitfield for constructor output purposes.
19173         * output.h (initializer_constant_valid_for_bitfield_p): Declare
19174         new function.
19175         * varasm.c (oc_local_state): New type, output_constructor
19176         local state to support communication with helpers.
19177         (oc_outer_state): New type, output_constructor outer state of
19178         relevance in recursive calls.
19179         (output_constructor_array_range): New output_constructor helper,
19180         extracted code for an array range element.
19181         (output_constructor_regular_field): New output_constructor helper,
19182         extracted code for an element that is not a bitfield.
19183         (output_constructor_bitfield): New output_constructor helper,
19184         extracted code for a bitfield element.  Accept an OUTER state
19185         argument for recursive processing.  Recurse on record or array
19186         CONSTRUCTOR values, possibly past noop conversions.
19187         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
19188         VALUE is a valid constant-valued expression for use in a static
19189         bit-field initializer.
19190         (output_constructor): Rework to use helpers.  Accept and honor an
19191         OUTER state argument for recursive calls.  Return total size.  Be
19192         prepared for nested constructors initializing bitfields.
19193         (output_constant): Feed OUTER in calls to output_constructor.
19194
19195 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
19196
19197         * calls.c (emit_library_call_value_1): Don't force_operand for move
19198         and push insns.
19199
19200 2009-06-01  Nick Clifton  <nickc@redhat.com>
19201
19202         * doc/invoke.texi (IA-64 Options): Fix typo.
19203
19204 2009-06-01  Ira Rosen  <irar@il.ibm.com>
19205
19206         PR tree-optimization/39129
19207         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
19208         printed message.
19209         (vect_do_peeling_for_loop_bound): Use
19210         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
19211         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
19212         (vect_loop_versioning): Likewise.
19213         (vect_create_cond_for_alias_checks): Fix indentation.
19214         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
19215         macros.
19216         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
19217         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
19218         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
19219         "control flow in loop".
19220         (vect_estimate_min_profitable_iters): Use
19221         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
19222         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
19223         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
19224         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
19225         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
19226         statement belongs to a group of strided accesses with the exact code
19227         check.
19228         (vectorizable_load): Likewise.
19229         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
19230         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
19231
19232 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
19233
19234         * config/freebsd-stdint.h: New file.
19235         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
19236         Add freebsd-stdint.h to tm_file.
19237
19238 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
19239
19240         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
19241         (thumb2_extendhidi2): Likewise.
19242
19243 2009-05-31  Ian Lance Taylor  <iant@google.com>
19244
19245         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
19246
19247 2009-05-31  Ian Lance Taylor  <iant@google.com>
19248
19249         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
19250         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
19251         (ipa-reference.o): Depend upon gt-ipa-reference.h.
19252
19253 2009-05-31  Jason Merrill  <jason@redhat.com>
19254
19255         * tree-pretty-print.c (print_call_name): Take the callee, not the
19256         call itself.  Make non-static.  Use dump_function_name for functions.
19257         (dump_generic_node): Adjust.
19258         * diagnostic.h: Declare print_call_name.
19259         * gimple-pretty-print.c (dump_gimple_call): Use it.
19260
19261 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
19262
19263         * config/sh/sh.md (ashldi3_std): New define_expand.
19264         (ashldi3): Use it.
19265
19266 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
19267
19268         PR target/40313
19269         * config/sh/sh.c: Include debug.h.
19270         (sh_expand_epilogue): Emit a blockage insn before the frame
19271         pointer adjustment also when dwarf2out_do_frame returns true.
19272
19273 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
19274
19275         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
19276         (thumb2_extendqidi2): New pattern.
19277
19278 2009-05-31  Ira Rosen  <irar@il.ibm.com>
19279
19280         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
19281         mark phis for renaming.
19282         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
19283         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
19284         Call mark_sym_for_renaming.
19285         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
19286         * tree-vect-loop.c (vect_transform_loop): Remove
19287         vect_memsyms_to_rename initialization and a call to
19288         mark_set_for_renaming.
19289
19290 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
19291
19292         PR middle-end/40304
19293         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
19294         frame related even if !set_cfa && style < 0.
19295
19296 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
19297
19298         * config/i386/mingw-tls.c: New file.
19299         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
19300         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
19301         defining _WIN32 but not __CYGWIN__.
19302
19303 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19304
19305         * configure.ac: Add MPC support.
19306
19307         * config.in, configure: Regenerate.
19308
19309 2009-05-29  Richard Henderson  <rth@redhat.com>
19310
19311         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
19312         NOTE_INSN_BASIC_BLOCK.
19313         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
19314         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
19315         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
19316         to be deleted.
19317         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
19318         add in_use field.
19319         (add_cfi): Disable check redefining cfa away from drap.
19320         (lookup_cfa_1): Add remember argument; handle remember/restore.
19321         (lookup_cfa): Pass remember argument.
19322         (cfa_remember): New.
19323         (compute_barrier_args_size_1): Remove sibcall check.
19324         (dwarf2out_frame_debug_def_cfa): New.
19325         (dwarf2out_frame_debug_adjust_cfa): New.
19326         (dwarf2out_frame_debug_cfa_offset): New.
19327         (dwarf2out_frame_debug_cfa_register): New.
19328         (dwarf2out_frame_debug_cfa_restore): New.
19329         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
19330         (dwarf2out_begin_epilogue): New.
19331         (dwarf2out_frame_debug_restore_state): New.
19332         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
19333         DW_CFA_restore_state.
19334         (output_cfi_directive): Likewise.
19335         (convert_cfa_to_fb_loc_list): Likewise.
19336         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
19337         * dwarf2out.h: Update.
19338         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
19339         (copy_insn_1): Early out for null.
19340         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
19341         and dwarf2out_frame_debug_restore_state.
19342         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
19343         (prologue_insn_hash, epilogue_insn_hash): New.
19344         (free_after_compilation): Adjust freeing accordingly.
19345         (record_insns): Create hash table if needed; push insns into
19346         hash instead of array.
19347         (maybe_copy_epilogue_insn): New.
19348         (contains): Search hash table instead of array.
19349         (sibcall_epilogue_contains): Remove.
19350         (thread_prologue_and_epilogue_insns): Split eh_return insns
19351         and mark them as epilogues.
19352         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
19353         scanning in terms of basic blocks.
19354         * insn-notes.def (CFA_RESTORE_STATE): New.
19355         * jump.c (returnjump_p_1): Accept EH_RETURN.
19356         (eh_returnjump_p_1, eh_returnjump_p): New.
19357         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
19358         CFA_REGISTER, CFA_RESTORE): New.
19359         * rtl.def (EH_RETURN): New.
19360         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
19361
19362         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
19363         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
19364
19365         * config/i386/i386.c (gen_push): Update cfa state.
19366         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
19367         add a CFA_ADJUST_CFA note.
19368         (ix86_dwarf_handle_frame_unspec): Remove.
19369         (ix86_expand_prologue): Update cfa state.
19370         (ix86_emit_restore_reg_using_pop): New.
19371         (ix86_emit_restore_regs_using_pop): New.
19372         (ix86_emit_leave): New.
19373         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
19374         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
19375         * config/i386/i386.h (struct machine_cfa_state): New.
19376         (ix86_cfa_state): New.
19377         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
19378         (eh_return_internal): Merge from eh_return_<mode>,
19379         use eh_return rtx, split w/ epilogue.
19380
19381 2009-05-29  Ian Lance Taylor  <iant@google.com>
19382
19383         * builtins.c (validate_gimple_arglist): Don't use va_arg with
19384         enum type.
19385         * calls.c (emit_library_call_value_1): Likewise.
19386
19387         * c-typeck.c (c_build_va_arg): New function.
19388         * c-tree.h (c_build_va_arg): Declare.
19389         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
19390         instead of build_va_arg.
19391
19392 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
19393
19394         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
19395         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
19396         (ptr_difference_cost): Use affine combinations to compute it.
19397         (difference_cost): Likewise.
19398         (get_computation_cost_at): Compute more accurate cost for addresses
19399         if the ratio is a multiplier allowed in addresses.
19400         For non-addresses, consider that an additional offset or symbol is
19401         added only once.
19402
19403 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19404
19405         * config/i386/i386.c (ix86_decompose_address): Avoid useless
19406         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
19407
19408         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
19409         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
19410         (prefix_rex): For UNIT_MMX don't imply the prefix by default
19411         if MODE_DI.
19412         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
19413         to 1 for TYPE_SSE{IADD1,CVT1}.
19414         (prefix_vex_imm8): Removed.
19415         (length_vex): Only pass 1 as second argument to
19416         ix86_attr_length_vex_default if prefix_extra is 0.
19417         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
19418         (length): For prefix vex computation use length_immediate
19419         attribute instead of prefix_vex_imm8.
19420         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
19421         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
19422         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
19423         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
19424         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
19425         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
19426         a space in between the operands.
19427         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
19428         if one operand is 0xff and the other one si, di, bp or sp.
19429         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
19430         other one si, di, bp or sp.
19431         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
19432         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
19433         type and mode attributes.
19434         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
19435         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
19436         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
19437         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
19438         prefix_data16 attribute iff MODE_DF.
19439         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
19440         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
19441         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
19442         constm128_operand in length_immediate computation.
19443         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
19444         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
19445         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
19446         length_immediate attribute to 1.
19447         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
19448         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
19449         for certain alternatives.
19450         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
19451         prefix_data16 attribute if MODE_V1DF.
19452         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
19453         length_immediate to 1.
19454         (set_got_rex64, set_rip_rex64): Remove length attribute, set
19455         length_address to 4, set mode attribute to MODE_DI.
19456         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
19457         (fxam<mode>2_i387): Set length attribute to 4.
19458         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
19459         *prefetch_3dnow_rex): Override length_address attribute.
19460         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
19461         attributes.
19462         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
19463         (constm128_operand): Removed.
19464         * config/i386/i386.c (memory_address_length): For
19465         disp && !index && !base in 64-bit mode account for SIB byte if
19466         print_operand_address can't optimize disp32 into disp32(%rip)
19467         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
19468         for fs: or gs: segment.
19469         (ix86_attr_length_immediate_default): When checking if shortform
19470         is possible, truncate immediate to the length of the non-shortened
19471         immediate.
19472         (ix86_attr_length_address_default): Ignore MEM_P operands
19473         with X constraint.
19474         (ix86_attr_length_vex_default): Only check for DImode on
19475         GENERAL_REG_P operands.
19476         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
19477         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
19478         (sse_cvttps2pi): Clear prefix_rep attribute.
19479         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
19480         attribute.
19481         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
19482         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
19483         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
19484         iff operand 2 is const_int_operand.
19485         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
19486         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
19487         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
19488         instead of vex.
19489         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
19490         prefix_data16.
19491         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
19492         prefix_data16 attribute for movlpd and movhpd instructions.
19493         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
19494         length_immediate for shufpd instruction.
19495         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
19496         (avx_cmpp<avxmodesuffixf2c><mode>3,
19497         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
19498         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
19499         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
19500         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
19501         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
19502         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
19503         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
19504         prefix_data16 attribute for the first alternative to 1.
19505         (*avx_loadlps): Override length_immediate for the first alternative.
19506         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
19507         attributes for second alternative.
19508         (*vec_concatv2sf_sse4_1): Override length_immediate and
19509         prefix_data16 attributes for second alternative.
19510         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
19511         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
19512         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
19513         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
19514         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
19515         prefix_data16 and length_immediate to 1.
19516         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
19517         to 1.
19518         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
19519         prefix_extra attribute for variants that don't have 0f prefix alone.
19520         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
19521         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
19522         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
19523         *sse4_1_pextrd): Set length_immediate to 1.
19524         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
19525         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
19526         to 1.
19527         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
19528         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
19529         length_immediate to 1 for second alternative.
19530         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
19531         prefix_extra and length_immediate attributes for the first
19532         alternative.
19533         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
19534         first alternative.
19535         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
19536         to 1 for the first and third alternative.
19537         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
19538         alternative.
19539         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
19540         attribute.
19541         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
19542         attribute to 0.
19543         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
19544         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
19545         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
19546         *avx_psign<mode>3): Set prefix_extra attribute to 1.
19547         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
19548         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
19549         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
19550         ssse3_psign<mode>3): Override prefix_rex attribute.
19551         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
19552         (ssse3_palignrti): Override length_immediate to 1.
19553         (ssse3_palignrdi): Override length_immediate to 1, override
19554         prefix_rex attribute.
19555         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
19556         (sse4a_extrqi): Override length_immediate to 2.
19557         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
19558         (sse4a_insertq): Override prefix_data16 to 0.
19559         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
19560         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
19561         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
19562         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
19563         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
19564         and length_immediate to 1.
19565         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
19566         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
19567         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
19568         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
19569         and length_immediate to 1.
19570         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
19571         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
19572         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
19573         avx_ptest256): Override prefix_extra to 1.
19574         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
19575         Override prefix_data16 and length_immediate to 1.
19576         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
19577         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
19578         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
19579         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
19580         prefix_data16 to 0 and prefix_extra to 2.
19581         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
19582         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
19583         attribute.
19584         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
19585         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
19586         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
19587         and prefix_extra to 2.
19588         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
19589         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
19590         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
19591         avx_vpermilvar<mode>3,
19592         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
19593         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
19594         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
19595         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
19596         Override prefix_extra to 1.
19597         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
19598         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
19599         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
19600         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
19601         prefix_extra and length_immediate to 1.
19602         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
19603         modrm to 0.
19604         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
19605         to 1 for the first alternative.
19606         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
19607         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
19608         cases.
19609         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
19610         *movv2sf_internal_avx, *movv2sf_internal): Override
19611         prefix_rep attribute for certain alternatives.
19612         (*mov<mode>_internal): Override prefix_rep or prefix_data16
19613         attributes for certain alternatives.
19614         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
19615         attributes for certain alternatives.
19616         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
19617         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
19618         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
19619         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
19620         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
19621         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
19622         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
19623         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
19624         length_immediate to 1 if operand 2 is const_int_operand.
19625         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
19626         *vec_extractv2si_1): Set length_immediate attribute to 1.
19627         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
19628         using old 3DNOW insn rather than SSE/3DNOW_A.
19629         (mmx_emms, mmx_femms): Clear modrm attribute.
19630
19631 2009-05-29  Martin Jambor  <mjambor@suse.cz>
19632
19633         * tree-sra.c:  New implementation of SRA.
19634
19635         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
19636         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
19637         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
19638         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
19639         (SRA_MAX_STRUCTURE_COUNT): Removed.
19640         (SRA_FIELD_STRUCTURE_RATIO): Removed.
19641         * doc/invoke.texi (sra-max-structure-size): Removed.
19642         (sra-field-structure-ratio): Removed.
19643
19644 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19645
19646         PR middle-end/40291
19647         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
19648         before expansion.
19649
19650 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
19651
19652         PR rtl-optimization/40101
19653         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
19654         seqno.  Adjust comment.
19655         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
19656         inserting bookkeeping before a jump, the jump is not scheduled.
19657         When no positive seqno found, provide a value.  Add comment.
19658
19659 2009-05-29  Richard Guenther  <rguenther@suse.de>
19660
19661         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
19662         short-cutting on the first component.
19663
19664 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19665
19666         PR middle-end/39958
19667         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
19668         for trees other than decls/types.
19669
19670 2009-05-29  Richard Guenther  <rguenther@suse.de>
19671
19672         * tree-ssa-operands.c (get_expr_operands): Do not handle
19673         INDIRECT_REFs in the handled-component case.  Remove
19674         unused get_ref_base_and_extent case.
19675         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
19676         tree_low_cst and host_integerp where possible.
19677         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
19678         codes for equivalence.
19679         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
19680
19681 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
19682
19683         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
19684         to tmake_file for i[34567]86-*-cygwin*.
19685
19686 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
19687
19688         PR target/40017
19689         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
19690         (altivec_categorize_keyword, init_vector_keywords,
19691         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
19692         similar to bool.
19693
19694 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
19695
19696         * tree.c (handle_dll_attribute): Check if node is
19697         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
19698
19699 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
19700
19701         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
19702         component.
19703         (thumb2_zero_extendqidi2): Likewise.
19704
19705 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19706
19707         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
19708         instead of gen_movrt.
19709         * config/sh/sh.md (movrt): Remove.
19710
19711 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
19712
19713         * doc/invoke.texi (IA-64 Options):
19714         Add -msdata, -mfused-madd, -mno-inline-float-divide,
19715         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
19716         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
19717         -msched-prefer-non-control-spec-insns,
19718         -msched-stop-bits-after-every-cycle,
19719         -msched-count-spec-in-critical-path,
19720         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
19721         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
19722         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
19723         and -msched-spec-verbose.
19724
19725 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
19726
19727         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
19728         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
19729         error if used.
19730         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
19731
19732 2009-05-28  Richard Guenther  <rguenther@suse.de>
19733
19734         * tree-ssa-alias.c (ao_ref_init): New function.
19735         (ao_ref_base): Likewise.
19736         (ao_ref_base_alias_set): Likewise.
19737         (ao_ref_alias_set): Likewise.
19738         (refs_may_alias_p_1): Change signature.
19739         (refs_may_alias_p): Adjust.
19740         (refs_anti_dependent_p): Likewise.
19741         (refs_output_dependent_p): Likewise.
19742         (call_may_clobber_ref_p_1): Change signature.
19743         (call_may_clobber_ref_p): Adjust.
19744         (stmt_may_clobber_ref_p_1): New function split out from ...
19745         (stmt_may_clobber_ref_p): ... here.
19746         (maybe_skip_until): Adjust signature.
19747         (get_continuation_for_phi): Likewise.
19748         (walk_non_aliased_vuses): Likewise.
19749         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
19750         (ao_ref_init): Declare.
19751         (ao_ref_base): Likewise.
19752         (ao_ref_alias_set): Likewise.
19753         (stmt_may_clobber_ref_p_1): Likewise.
19754         (walk_non_aliased_vuses): Adjust.
19755         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
19756         (get_ref_from_reference_ops): remove.
19757         (vn_reference_lookup_2): Adjust signature.
19758         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
19759         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
19760         (vn_reference_lookup): Adjust.
19761         (vn_reference_insert): Likewise.
19762         (vn_reference_insert_pieces): Adjust signature.
19763         (visit_reference_op_call): Adjust.
19764         * tree-ssa-pre.c (get_expr_type): Simplify.
19765         (phi_translate_1): Adjust.
19766         (compute_avail): Likewise.
19767         (translate_vuse_through_block): Do not re-build trees.
19768         (value_dies_in_block_x): Likewise.
19769         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
19770         fields.
19771         (vn_reference_lookup_pieces): Adjust declaration.
19772         (vn_reference_insert_pieces): Likewise.
19773
19774 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
19775
19776         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
19777         with checking disabled.
19778
19779 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
19780
19781         PR target/37216
19782
19783         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
19784         macro definition for support of three-operand format aligned
19785         .comm directive in assembler on cygwin/pe/mingw target OS.
19786         * configure:  Regenerate.
19787         * config.h:  Regenerate.
19788
19789         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
19790         aligned form of .comm directive if -mpe-aligned-commons is in effect.
19791         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
19792
19793         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
19794         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
19795
19796 2009-05-28  Ira Rosen  <irar@il.ibm.com>
19797
19798         PR tree-optimization/40254
19799         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
19800         in analysis of basic blocks.
19801
19802 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
19803
19804         PR middle-end/33699
19805         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
19806         * target-def.h (TARGET_CONST_ANCHOR): New macro.
19807         (TARGET_INITIALIZER): Use it.
19808         * cse.c (CHEAPER): Move it up to the other macros.
19809         (insert): Rename this ...
19810         (insert_with_costs): ... to this.  Add cost parameters.  Update
19811         function comment.
19812         (insert): New function.  Call insert_with_costs.
19813         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
19814         find_reg_offset_for_const, try_const_anchors): New functions.
19815         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
19816         when using a const-anchor.  Call insert_const_anchors.
19817         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
19818         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
19819
19820 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
19821
19822         * tree-inline.c (remap_decls): Enable nonlocalized variables
19823         when not optimizing.
19824
19825 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
19826
19827         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
19828         Simplify other tests involving optimize.
19829
19830 2009-05-27  Tom Tromey  <tromey@redhat.com>
19831
19832         * unwind-dw2.c (_Unwind_DebugHook): New function.
19833         (uw_install_context): Call _Unwind_DebugHook.
19834
19835 2009-05-27  Tom Tromey  <tromey@redhat.com>
19836
19837         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
19838
19839 2009-05-27  Ian Lance Taylor  <iant@google.com>
19840
19841         * Makefile.in (LINKER, LINKER_FLAGS): Define.
19842         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
19843         (ALL_LINKERFLAGS): Define.
19844         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
19845         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
19846         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
19847         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
19848         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
19849         $(LINKER_FOR_BUILD).
19850         (build/gcov-iov$(build_exeext)): Likewise.
19851
19852 2009-05-27  Julian Brown  <julian@codesourcery.com>
19853
19854         * gcse.c (target.h): Include.
19855         (can_assign_to_reg_without_clobbers_p): Check that the target allows
19856         copy of argument to a pseudo register.
19857
19858 2009-05-27  Diego Novillo  <dnovillo@google.com>
19859
19860         * tree-ssa-live.c (dump_scope_block): Document arguments.
19861         (dump_scope_blocks): Document.
19862         (debug_scope_blocks): New.
19863         * tree-flow.h (debug_scope_blocks): Declare.
19864
19865 2009-05-21  Denis Chertykov  <denisc@overta.ru>
19866
19867         * doc/contrib.texi (Contributors): Add myself to the list.
19868
19869 2009-05-27  Olivier Hainque  <hainque@adacore.com>
19870
19871         * expr.c (target_align): New function.  Alignment the TARGET of an
19872         assignment may be assume to have.
19873         (highest_pow2_factor_for_target): Use it instead of relying on
19874         immediate tree attributes of TARGET, not necessarily honored when
19875         intermediate bitfields are involved.
19876
19877 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
19878
19879         PR target/40266
19880         * config/i386/driver-i386.c (host_detect_local_cpu): Support
19881         AVX, SSE4, AES, PCLMUL and POPCNT.
19882
19883 2009-05-27  Diego Novillo  <dnovillo@google.com>
19884
19885         * tree-pretty-print.c (dump_location): New.
19886         (dump_generic_node): Call it.
19887         Factor code to handle BLOCK nodes ...
19888         (dump_block_node): ... here.
19889
19890 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
19891
19892         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
19893         with it.
19894         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
19895         included.
19896         * gcc-plugin.h: Include config.h and system.h.
19897         (IN_GCC): Define if not defined.
19898
19899 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
19900
19901         PR middle-end/40249
19902         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
19903         with -fno-inline.
19904
19905 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
19906
19907         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
19908         applicable.
19909         * config/m32r/m32r.h: Ditto.
19910         * config/m32r/m32r.md: Ditto.
19911         * config/m32r/predicates.md: Ditto.
19912
19913 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
19914
19915         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
19916
19917 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
19918
19919         * doc/plugins.texi
19920         (Loading plugins): typo.
19921         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
19922         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
19923         (Interacting with the GCC Garbage Collector): Added new section.
19924         (Giving information about a plugin): Added new section for
19925         PLUGIN_INFO.
19926         * ggc.h (ggc_register_root_tab): Added declaration.
19927         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
19928         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
19929         (register_callback): Improved comment in declaration.
19930         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
19931         (extra_root_vec) Added static variable for dynamic roots registration.
19932         (ggc_register_root_tab) Added new routine.
19933         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
19934         PLUGIN_GGC_MARKING event.
19935         * ggc-zone.c: Include plugin.h.
19936         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
19937         * ggc-page.c: Include plugin.h.
19938         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
19939         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
19940         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
19941         (register_callback): check lack of callbacks for
19942         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
19943         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
19944         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
19945         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
19946         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
19947         dependency on plugin.h.
19948         (plugin.o): Added dependency on ggc.h...
19949
19950 2009-05-26  Richard Guenther  <rguenther@suse.de>
19951
19952         PR middle-end/40248
19953         Revert
19954         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
19955         with mismatched comparison modes.
19956
19957         * expr.c (expand_expr_real_1): Expand the operand of a
19958         VIEW_CONVERT_EXPR in its natural mode.
19959
19960 2009-05-26  Ian Lance Taylor  <iant@google.com>
19961
19962         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
19963         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
19964         (ALL_COMPILERFLAGS): Define.
19965         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
19966         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
19967         (collect2$(exeext), collect2.o): Likewise.
19968         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
19969         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
19970         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
19971         (libbackend.o, intl.o, cppdefault.o): Likewise.
19972         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
19973         (build/%.o): Use $(COMPILER_FOR_BUILD).
19974         (build/gen%$(build_exeext)): Likewise.
19975         (build/gcov-iov$(build_exeext)): LIkewise.
19976         * config/t-darwin (darwin.o): Use $(COMPILER).
19977         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
19978         * config/t-sol2 (sol2-c.o): Likewise.
19979         (sol2.o): Likewise.
19980         * config/t-vxworks (vxworks.o): Likewise.
19981         * config/x-darwin (host-darwin.o): Likewise.
19982         * config/x-hpux (host-hpux.o): Likewise.
19983         * config/x-linux (host-linux.o): Likewise.
19984         * config/x-solaris (host-solaris.o): Likewise.
19985         * config/alpha/x-alpha (driver-alpha.o): Likewise.
19986         * config/arm/t-arm (arm-c.o): Likewise.
19987         * config/arm/t-pe (pe.o): Likewise.
19988         * config/arm/t-wince-pe (pe.o): Likewise.
19989         * config/i386/t-cygming (winnt.o): Likewise.
19990         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
19991         * config/i386/t-cygwin (cygwin1.o): Likewise.
19992         (cygwin2.o): Likewise.
19993         * config/i386/t-i386 (i386-c.o): Likewise.
19994         * config/i386/t-interix (winnt.o): Likewise.
19995         * config/i386/t-netware (netware.o): Likewise.
19996         * config/i386/t-nwld (nwld.o): Likewise.
19997         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
19998         * config/i386/x-i386 (driver-i386.o): Likewise.
19999         * config/i386/x-cygwin (host-cygwin.o): Likewise.
20000         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
20001         * config/ia64/t-ia64 (ia64-c.o): Likewise.
20002         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
20003         * config/mips/x-native (driver-native.o): Likewise.
20004         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
20005         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
20006         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
20007         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
20008         * config/score/t-score-elf (score7.o): Likewise.
20009         (score3.o): Likewise.
20010         * config/sh/t-sh (sh-c.o): Likewise.
20011         * config/sh/t-symbian (sh-c.o): Likewise.
20012         (symbian.o): Likewise.
20013         * config/spu/t-spu-elf (spu-c.o): Likewise.
20014         * config/v850/t-v850 (v850-c.o): Likewise.
20015         * config/v850/t-v850e (v850-c.o): Likewise.
20016
20017 2009-05-26  Richard Guenther  <rguenther@suse.de>
20018
20019         PR tree-optimization/40122
20020         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
20021         VECTOR_CSTs if possible.
20022         (fold_gimple_assign): Likewise.
20023
20024 2009-05-26  Richard Guenther  <rguenther@suse.de>
20025
20026         PR middle-end/40252
20027         * fold-const.c (fold_binary): Use the correct types for building
20028         rotates.
20029
20030 2009-05-26  Richard Guenther  <rguenther@suse.de>
20031
20032         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
20033         redundant calls to merge_alias_info.
20034         (bump_vector_ptr): Likewise.
20035         * tree-ssa-copy.c (merge_alias_info): Remove.
20036         (replace_exp_1): Remove call to merge_alias_info.
20037         (propagate_tree_value): Likewise.
20038         (fini_copy_prop): Propagate points-to info.
20039         * tree-flow.h (merge_alias_info): Remove.
20040
20041 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
20042
20043         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
20044
20045 2009-05-25  Jan Hubicka  <jh@suse.cz>
20046
20047         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
20048         * cgraph.h (struct inline_summary): New filed self_wize,
20049         size_inlining_benefit, self_time and time_inlining_benefit.
20050         (struct cgraph_global_info): Replace insns by time ans size fields.
20051         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
20052         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
20053         (ipcp_update_callgraph): Do not touch function bodies.
20054         * ipa-inline.c: Include except.h
20055         (MAX_TIME): New constant.
20056         (overall_insns): Remove.
20057         (leaf_node_p): New.
20058         (overall_size, max_benefit): New static variables.
20059         (cgraph_estimate_time_after_inlining): New function.
20060         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
20061         (cgraph_clone_inlined_nodes): Update size.
20062         (cgraph_mark_inline_edge): Update size.
20063         (cgraph_estimate_growth): Use size info.
20064         (cgraph_check_inline_limits): Check size.
20065         (cgraph_default_inline_p): Likewise.
20066         (cgraph_edge_badness): Compute badness based on benefit and size cost.
20067         (cgraph_decide_recursive_inlining): Check size.
20068         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
20069         and times.
20070         (cgraph_decide_inlining): Likewise.
20071         (cgraph_decide_inlining_incrementally): Likewise; honor
20072         PARAM_EARLY_INLINING_INSNS.
20073         (likely_eliminated_by_inlining_p): New predicate.
20074         (estimate_function_body_sizes): New function.
20075         (compute_inline_parameters): Use it.
20076         * except.c (must_not_throw_labels): New function.
20077         * except.h (must_not_throw_labels): Declare.
20078         * tree-inline.c (init_inline_once): Kill inlining_weigths
20079         * tree-ssa-structalias.c: Avoid uninitialized warning.
20080         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
20081         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
20082         (PARAM_INLINE_CALL_COST): Remove.
20083         (PARAM_EARLY_INLINING_INSNS): New.
20084
20085 2009-05-25  Richard Guenther  <rguenther@suse.de>
20086
20087         PR tree-optimization/36327
20088         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
20089         callback for reference translation or lookup at the point of may-defs.
20090         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
20091         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
20092         for union COMPONENT_REFs.
20093         (vn_reference_lookup_3): New callback.  Lookup from memset
20094         and CONSTRUCTOR assignment, translate through struct copies.
20095         (vn_reference_lookup_pieces): Make sure to not free the
20096         passed operands array.  Adjust walk_non_aliased_vuses call.
20097         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
20098         make sure we do not leak memory.
20099
20100 2009-05-25  Richard Guenther  <rguenther@suse.de>
20101
20102         * tree-ssa-alias.h (dump_points_to_solution): Declare.
20103         * tree-inline.c (expand_call_inline): Reset the escaped and
20104         callused solutions.
20105         * tree-ssa-structalias.c (pass_build_ealias): New.
20106         * tree-pass.h (pass_build_ealias): Declare.
20107         * passes.c (init_optimization_passes): Add PTA during
20108         early optimizations.
20109         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
20110         and CALLUSED solutions.
20111         (dump_points_to_solution): New function, split out from ...
20112         (dump_points_to_info_for): ... here.
20113         * tree-parloops.c (parallelize_loops): Reset the escaped and
20114         callused solutions.
20115
20116 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
20117
20118         PR bootstrap/40027
20119         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
20120         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
20121
20122 2009-05-25  Ira Rosen  <irar@il.ibm.com>
20123
20124         PR tree-optimization/40238
20125         * tree-vect-stmts.c (vect_init_vector): Insert initialization
20126         statements after basic block's labels.
20127         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
20128         to free the allocated memory.
20129
20130 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
20131
20132         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
20133         return address with a USE.
20134
20135 2009-05-24  Richard Guenther  <rguenther@suse.de>
20136
20137         PR middle-end/40233
20138         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
20139         array type from the main variant of the inner type.
20140
20141 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
20142
20143         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
20144         definition to bool (from int) to un-break build.
20145         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
20146
20147 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
20148
20149         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
20150         discard_stmt_changes): Delete.
20151         * tree-ssa-operands.c (scb_stack): Delete.
20152         (init_ssa_operands): Do not initialize it.
20153         (fini_ssa_operands): Do not free it.
20154         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
20155
20156         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
20157         update_stmt, remove the others.  Fix comments.
20158         * tree-dfa.c (optimize_stack_restore): Likewise.
20159         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
20160         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
20161         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
20162         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
20163         Likewise.
20164         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
20165         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
20166         (dom_opt_finalize_block): Likewise, adjusting access to
20167         stmts_to_rescan.
20168         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
20169         (stmts_to_rescan): Change item type to gimple.
20170         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
20171
20172 2009-05-24  Ira Rosen  <irar@il.ibm.com>
20173
20174         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
20175         * tree-pass.h (pass_slp_vectorize): New pass.
20176         * params.h (SLP_MAX_INSNS_IN_BB): Define.
20177         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
20178         * tree-vectorizer.c (timevar.h): Include.
20179         (user_vect_verbosity_level): Declare.
20180         (vect_location): Fix comment.
20181         (vect_set_verbosity_level): Update user_vect_verbosity_level
20182         instead of vect_verbosity_level.
20183         (vect_set_dump_settings): Add an argument. Ignore user defined
20184         verbosity if dump flags require higher level of verbosity. Print to
20185         stderr only for loop vectorization.
20186         (vectorize_loops): Update call to vect_set_dump_settings.
20187         (execute_vect_slp): New function.
20188         (gate_vect_slp): Likewise.
20189         (struct gimple_opt_pass pass_slp_vectorize): New.
20190         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
20191         access its members.
20192         (vec_info_for_bb): New function.
20193         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
20194         (VECTORIZATION_ENABLED): New macro.
20195         (SLP_ENABLED, SLP_DISABLED): Likewise.
20196         (vect_is_simple_use): Add bb_vec_info argument.
20197         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
20198         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
20199         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
20200         vect_schedule_slp, vect_analyze_slp): Likewise.
20201         (vect_analyze_stmt): Add slp_tree argument.
20202         (find_bb_location): Declare.
20203         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
20204         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
20205         (vect_analyze_loop_operations, vect_analyze_loop,
20206         get_initial_def_for_induction, vect_create_epilog_for_reduction,
20207         vect_finalize_reduction, vectorizable_reduction,
20208         vectorizable_live_operation, vect_transform_loop): Likewise.
20209         * tree-data-ref.c (dr_analyze_innermost): Update comment,
20210         skip evolution analysis if analyzing a basic block.
20211         (dr_analyze_indices): Likewise.
20212         (initialize_data_dependence_relation): Skip the test whether the
20213         object is invariant for basic blocks.
20214         (compute_all_dependences): Skip dependence analysis for data
20215         references in basic blocks.
20216         (find_data_references_in_stmt): Don't fail in case of invariant
20217         access in basic block.
20218         (find_data_references_in_bb): New function.
20219         (find_data_references_in_loop): Move code to
20220         find_data_references_in_bb and add a call to it.
20221         (compute_data_dependences_for_bb): New function.
20222         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
20223         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
20224         that STEP is 0.
20225         (vect_analyze_data_ref_dependence): Check for interleaving in case of
20226         unknown dependence in basic block and fail in case of dependence in
20227         basic block.
20228         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
20229         dependence instances from either loop or basic block vectorization
20230         info.
20231         (vect_compute_data_ref_alignment): Check if it is loop vectorization
20232         before calling nested_in_vect_loop_p.
20233         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
20234         dependence instances from either loop or basic block vectorization
20235         info.
20236         (vect_verify_datarefs_alignment): Likewise.
20237         (vect_enhance_data_refs_alignment): Adjust function calls.
20238         (vect_analyze_data_refs_alignment): Likewise.
20239         (vect_analyze_group_access): Fix printing. Skip different checks if
20240         DR_STEP is 0. Keep strided stores either in loop or basic block
20241         vectorization data structure. Fix indentation.
20242         (vect_analyze_data_ref_access): Fix comments, allow zero step in
20243         basic blocks.
20244         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
20245         dependence instances from either loop or basic block vectorization
20246         info.
20247         (vect_analyze_data_refs): Update comment. Call
20248         compute_data_dependences_for_bb to analyze basic blocks.
20249         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
20250         case of loop vectorization. In case of basic block vectorization use
20251         data-ref itself as a base.
20252         (vect_create_data_ref_ptr): In case of basic block vectorization:
20253         don't advance the pointer, add new statements before the current
20254         statement.  Adjust function calls.
20255         (vect_supportable_dr_alignment): Support only aligned accesses in
20256         basic block vectorization.
20257         * common.opt (ftree-slp-vectorize): New flag.
20258         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
20259         (vect_pattern_recog_1): Likewise.
20260         * tree-vect-stmts.c (process_use): Likewise.
20261         (vect_init_vector): Add new statements in the beginning of the basic
20262         block in case of basic block SLP.
20263         (vect_get_vec_def_for_operand): Adjust function calls.
20264         (vect_finish_stmt_generation): Likewise.
20265         (vectorizable_call): Add assert that it is loop vectorization, adjust
20266         function calls.
20267         (vectorizable_conversion, vectorizable_assignment): Likewise.
20268         (vectorizable_operation): In case of basic block SLP, take
20269         vectorization factor from statement's type and skip the relevance
20270         check. Adjust function calls.
20271         (vectorizable_type_demotion): Add assert that it is loop
20272         vectorization, adjust function calls.
20273         (vectorizable_type_promotion): Likewise.
20274         (vectorizable_store): Check for outer loop only in case of loop
20275         vectorization. Adjust function calls. For basic blocks, skip the
20276         relevance check and don't advance pointers.
20277         (vectorizable_load): Likewise.
20278         (vectorizable_condition): Add assert that it is loop vectorization,
20279         adjust function calls.
20280         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
20281         that it is not reduction, get vector type, call only supported
20282         functions, skip loop specific parts.
20283         (vect_transform_stmt): Check for outer loop only in case of loop
20284         vectorization.
20285         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
20286         (vect_is_simple_use): Fix comment, add new argument, fix conditions
20287         for external definition.
20288         * passes.c (pass_slp_vectorize): New pass.
20289         * tree-vect-slp.c (find_bb_location): New function.
20290         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
20291         check for patterns only in loops.
20292         (vect_build_slp_tree): Add argument, adjust function calls, fail in
20293         case of multiple types in basic block SLP.
20294         (vect_mark_slp_stmts_relevant): New function.
20295         (vect_supported_load_permutation_p): Fix comment.
20296         (vect_analyze_slp_instance): Add argument. In case of basic block
20297         SLP, take vectorization factor from statement's type, check that
20298         unrolling factor is 1. Adjust function call. Save SLP instance in
20299         either loop or basic block vectorization structure. Return FALSE,
20300         if SLP failed.
20301         (vect_analyze_slp): Add argument. Get strided stores groups from
20302         either loop or basic block vectorization structure. Return FALSE
20303         if basic block SLP failed.
20304         (new_bb_vec_info): New function.
20305         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
20306         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
20307         (vect_schedule_slp): Add argument. Get SLP instances from either
20308         loop or basic block vectorization structure. Set vectorization factor
20309         to be 1 for basic block SLP.
20310         (vect_slp_transform_bb): New function.
20311         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
20312
20313 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
20314
20315         * final.c (shorten_branches): Do not align labels for jump tables.
20316         (final_scan_insn): Use JUMP_TABLE_DATA_P.
20317
20318 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
20319
20320         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
20321         Remove outdated reference to flow.c and fix nits.
20322         * doc/gccint.texi: Tweak RTL description.
20323         * doc/rtl.texi: Likewise.
20324
20325 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
20326
20327         * config/avr/avr.c: Change my email address.
20328         * config/avr/avr.h: Likewise.
20329         * config/avr/avr.md: Likewise.
20330         * config/avr/avr-protos.h: Likewise.
20331         * config/avr/libgcc.S: Likewise.
20332
20333 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
20334
20335         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
20336         (spu_split_load, spu_split_store): Change return type to int.
20337         (spu_split_convert): Declare.
20338         * config/spu/predicates.md (spu_mem_operand): Remove.
20339         (spu_mov_operand): Update.
20340         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
20341         * config/spu/spu.c (regno_aligned_for_load): Remove.
20342         (reg_aligned_for_addr, spu_expand_load): Define.
20343         (spu_expand_extv): Reimplement and handle MEM.
20344         (spu_expand_insv): Handle MEM.
20345         (spu_sched_reorder): Handle insn's with length 0.
20346         (spu_legitimate_address_p): Reimplement.
20347         (store_with_one_insn_p): Return TRUE for any mode with size
20348         larger than 16 bytes.
20349         (address_needs_split): Define.
20350         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
20351         operands.
20352         (spu_convert_move): Define.
20353         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
20354         (spu_split_store): Change all MEM's to TImode.
20355         (spu_init_expanders): Preallocate registers that correspond to
20356         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
20357         mark_reg_pointer.
20358         (spu_split_convert): Define.
20359         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
20360         (_move<mode>, _movdi, _movti): Update predicate and condition.
20361         (load, store): Change to define_split.
20362         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
20363         extend<mode>ti2.
20364         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
20365         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
20366         define_insn_and_split of lshr<mode>3.
20367         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
20368         (<v>ashr<mode>3_imm): Define.
20369         (extv, extzv, insv): Allow MEM operands.
20370         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
20371         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
20372         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
20373         (_spu_convert2): Change to define_insn_and_split and remove the
20374         corresponding define_peephole2.
20375         (stack_protect_set, stack_protect_test, stack_protect_test_si):
20376         Change predicates to memory_operand.
20377
20378 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
20379
20380         * config/arm/thumb2.md: Add 16-bit multiply instructions.
20381
20382 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
20383
20384         PR tree-optimization/40219
20385         * tree.c (iterative_hash_expr): Make sure the builtin function is
20386         a normal builtin function and not a front end or back end builtin
20387         before indexing into the built_in_decls array.
20388
20389 2009-05-22  Richard Guenther  <rguenther@suse.de>
20390
20391         PR middle-end/38964
20392         * alias.c (write_dependence_p): Do not use TBAA for answering
20393         anti-dependence or output-dependence.
20394         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
20395         (emit_pointer_definition): Remove.
20396         (emit_alias_warning): Likewise.
20397         (find_what_var_points_to): Remove TBAA pruning code.
20398         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
20399         violations.
20400         (compute_points_to_sets): Remove code computing the set of
20401         dereferenced pointers.
20402         * tree-data-ref.c (dr_may_alias_p): Properly use the split
20403         oracle for querying anti and output dependencies.
20404         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
20405         if TBAA may be applied.
20406         (refs_anti_dependent_p): New function.
20407         (refs_output_dependent_p): Likewise.
20408         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
20409         (refs_output_dependent_p): Likewise.
20410         * doc/tree-ssa.texi (Memory model): New section.
20411         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
20412         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
20413         * cfgexpand.c (expand_gimple_basic_block): Do not handle
20414         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
20415         * expr.c (expand_expr_real_1): Likewise.
20416         * gimple-low.c (lower_stmt): Likewise.
20417         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
20418         (dump_gimple_cdt): Remove.
20419         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
20420         (gimple_size): Likewise.
20421         (walk_gimple_op): Likewise.
20422         (is_gimple_stmt): Likewise.
20423         (walk_stmt_load_store_addr_ops): Likewise.
20424         (gimple_build_cdt): Remove.
20425         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
20426         * gimple.h (gimple_cdt_new_type): Remove.
20427         (gimple_cdt_new_type_ptr): Likewise.
20428         (gimple_cdt_set_new_type): Likewise.
20429         (gimple_cdt_location): Likewise.
20430         (gimple_cdt_location_ptr): Likewise.
20431         (gimple_cdt_set_location): Likewise.
20432         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
20433         * tree-cfg.c (remove_useless_stmts_1): Do not handle
20434         GIMPLE_CHANGE_DYNAMIC_TYPE.
20435         (verify_types_in_gimple_stmt): Likewise.
20436         * tree-inline.c (estimate_num_insns): Likewise.
20437         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
20438         (copy_decl_to_var): Likewise.
20439         (copy_result_decl_to_var): Likewise.
20440         * tree-pretty-print.c (dump_generic_node): Do not handle
20441         CHANGE_DYNAMIC_TYPE_EXPR.
20442         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
20443         * tree-ssa-operands.c (get_expr_operands): Likewise.
20444         * tree-ssa-structalias.c (struct variable_info): Remove
20445         no_tbaa_pruning member.
20446         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
20447         (unify_nodes): Do not copy it.
20448         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
20449         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
20450         (set_uids_in_ptset): Do not check it.
20451         (find_what_var_points_to): Likewise.
20452         (compute_tbaa_pruning): Remove.
20453         (compute_points_to_sets): Do not call it.
20454         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
20455         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
20456         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
20457         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
20458         (DECL_NO_TBAA_P): Likewise.
20459         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
20460         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
20461         (expand_omp_atomic_pipeline): Do not set it.
20462         * print-tree.c (print_node): Do not dump it.
20463         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
20464         redundant check.
20465
20466 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
20467
20468         PR target/39856
20469         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
20470         for clobber.
20471
20472 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
20473
20474         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
20475         non-external.
20476
20477 2009-05-22  Ben Elliston  <bje@au.ibm.com>
20478
20479         * Makefile.in (bversion.h, s-bversion): New targets.
20480         (TOPLEV_H): Add bversion.h.
20481         * toplev.h: Include "bversion.h".
20482         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
20483         the __format__ attribute only if compiling with the same version
20484         of GCC as the sources (the "build version").
20485
20486 2009-05-22  Ben Elliston  <bje@au.ibm.com>
20487
20488         * c-format.c (handle_format_attribute): Fix comment typo.
20489
20490 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
20491
20492         PR target/37846
20493         * config/ia64/ia64.opt (mfused-madd): New.
20494         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
20495         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
20496         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
20497         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
20498         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
20499         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
20500         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
20501         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
20502         instruction if !TARGET_FUSED_MADD.
20503         (fpma, fpms): Remove colon from name.
20504
20505 2009-05-22  Richard Guenther  <rguenther@suse.de>
20506
20507         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
20508         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
20509         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
20510         TARGET_MEM_REF.
20511         (create_expression_by_pieces): Only convert if necessary.
20512         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
20513         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
20514
20515 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
20516
20517         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
20518         regular pattern from a template and rename it ...
20519         (*extzv_truncsi_exts): ... to this.
20520
20521 2009-05-21  Richard Guenther  <rguenther@suse.de>
20522
20523         * cgraph.h (struct cgraph_node): Remove inline_decl member.
20524         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
20525         (cgraph_default_inline_p): Likewise.
20526         (cgraph_decide_inlining_incrementally): Likewise.
20527
20528 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
20529             Uros Bizjak  <ubizjak@gmail.com>
20530
20531         * config/i386/cpuid.h (bit_MOVBE): New.
20532
20533         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
20534
20535         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
20536         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
20537         (ix86_handle_option): Handle OPT_mmovbe.
20538         (ix86_target_string): Add -mmovbe.
20539         (pta_flags): Add PTA_MOVBE.
20540         (processor_alias_table): Add PTA_MOVBE to "atom".
20541         (override_options): Handle PTA_MOVBE.
20542
20543         * config/i386/i386.h (TARGET_MOVBE): New.
20544
20545         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
20546         (*bswapsi_movbe): New.
20547         (*bswapdi_movbe): Likewise.
20548         (bswapdi2): Renamed to ...
20549         (*bswapdi_1): This.
20550         (bswapdi2): New expander.
20551
20552         * config/i386/i386.opt (mmovbe): New.
20553
20554         * doc/invoke.texi: Document -mmovbe.
20555
20556 2009-05-21  Taras Glek  <tglek@mozilla.com>
20557
20558         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
20559         * gcc-plugin.h (plugin_init): Updated signature.
20560         * gcc-plugin.h (plugin_name_args): Moved to this header.
20561         * doc/plugins.texi (plugin_init): Updated documention to reflect
20562         API change.
20563         * doc/plugins.texi (plugin_name_args): Added to documention.
20564
20565 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
20566
20567         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
20568         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
20569
20570 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
20571
20572         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
20573         JUMP_TABLE_DATA_P predicates where applicable.
20574         * config/i386/predicates.md: Ditto.
20575         * config/i386/sse.md: Ditto.
20576
20577 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
20578
20579         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
20580         operand2 -128 override length_immediate attribute to 1.
20581         * config/i386/predicates.md (constm128_operand): New predicate.
20582
20583         * config/i386/i386.c (memory_address_length): Handle %r12
20584         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
20585         also check REGNO.
20586         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
20587         mode look through optional ZERO_EXTEND and SUBREG.
20588         * config/i386/i386.md (R12_REG): New define_constant.
20589         (prefix_data16): For sse unit set also for MODE_TI insns.
20590         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
20591         insns set if operand 1 is ext_QIreg_operand.
20592         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
20593         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
20594         immediate.
20595         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
20596         mode from MODE_DI to MODE_SI.
20597         (movdi_1_rex64): Override modrm and length_immediate attributes
20598         only for movabs (TYPE_IMOV, alternative 2).
20599         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
20600         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
20601         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
20602         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
20603         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
20604         prefix_rex attribute if DImode.
20605         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
20606         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
20607         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
20608         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
20609         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
20610         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
20611         Likewise.  For TYPE_IMOV clear length_immediate attribute.
20612         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
20613         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
20614         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
20615         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
20616         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
20617         or one operand TYPE_ISHIFT.
20618         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
20619         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
20620         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
20621         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
20622         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
20623         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
20624         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
20625         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
20626         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
20627         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
20628         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
20629         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
20630         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
20631         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
20632         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
20633         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
20634         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
20635         set mode attribute, don't override length attribute.
20636         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
20637         to 1.
20638         (return_internal_long): Set length attribute to 2 instead of 1.
20639         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
20640         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
20641         prefix_rex attribute.
20642         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
20643         New predicates.
20644         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
20645
20646 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20647
20648         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
20649
20650 2009-05-20  Ian Lance Taylor  <iant@google.com>
20651
20652         * tree.c (build_tree_list_vec_stat): New function.
20653         (ctor_to_vec): New function.
20654         (build_nt_call_vec): New function.
20655         (build_call_array): Change args to be a const pointer.
20656         (build_call_vec): New function.
20657         * tree.h (build_nt_call_vec): Declare.
20658         (build_tree_list_vec_stat): Declare.
20659         (build_tree_list_vec): Define.
20660         (build_call_array): Update declaration.
20661         (build_call_vec): Declare.
20662         (ctor_to_vec): Declare.
20663         * c-common.c (tree_vector_cache): New static variable.
20664         (make_tree_vector): New function.
20665         (release_tree_vector): New function.
20666         (make_tree_vector_single): New function.
20667         (make_tree_vector_copy): New function.
20668         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
20669         (make_tree_vector_single, make_tree_vector_copy): Declare.
20670         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
20671         (c_parser_expr_list): Don't manage cache here, instead call
20672         make_tree_vector.
20673         (c_parser_release_expr_list): Remove static function.
20674         (c_parser_vec_to_tree_list): Remove static function.
20675         (c_parser_attributes): Call build_tree_list_vec instead of
20676         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
20677         c_parser_release_expr_list.
20678         (c_parser_postfix_expression_after_primary): Likewise.
20679         (c_parser_objc_keywordexpr): Likewise.
20680
20681 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
20682
20683         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
20684         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
20685         TARGET_CONVERT_TO_TYPE.
20686         * hooks.c (hook_tree_const_tree_null): Define.
20687         * hooks.h (hook_tree_const_tree_null): Declare.
20688         * target.h (struct gcc_target):  Add invalid_parameter_type,
20689         invalid_return_type, promoted_type, and convert_to_type fields.
20690         * target-def.h (TARGET_INVALID_PARAMETER_TYPE): Define.
20691         (TARGET_INVALID_RETURN_TYPE): Define.
20692         (TARGET_PROMOTED_TYPE): Define.
20693         (TARGET_CONVERT_TO_TYPE): Define.
20694         (TARGET_INITIALIZER): Update for new fields.
20695         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
20696         (grokparms): Check targetm.invalid_parameter_type.
20697         * c-typeck.c (default_conversion): Check targetm.promoted_type.
20698         * c-convert.c (convert): Check targetm.convert_to_type.
20699
20700 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
20701
20702         * config/mips/mips.md (*extenddi_truncate<mode>,
20703         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
20704         defintions.
20705         (*extendhi_truncateqi): New define_insn_and_sptit.
20706
20707 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
20708
20709         PR middle-end/40204
20710         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
20711         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
20712
20713 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
20714
20715         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
20716         the operand of VIEW_CONVERT_EXPR.
20717
20718 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
20719
20720         * config/i386/driver-i386.c (host_detect_local_cpu): Check
20721         extended family and model for Intel processors.  Support Intel Atom.
20722
20723 2009-05-20  Olivier Hainque  <hainque@adacore.com>
20724
20725         * gstab.h (stab_code_type): Define, to be used instead of the
20726         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
20727         notice.
20728         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
20729         occurrences by stab_code_type.
20730         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
20731
20732 2009-05-20  Martin Jambor  <mjambor@suse.cz>
20733
20734         * tree-flow.h (insert_edge_copies_seq): Undeclare.
20735         (sra_insert_before): Likewise.
20736         (sra_insert_after): Likewise.
20737         (sra_init_cache): Likewise.
20738         (sra_type_can_be_decomposed_p): Likewise.
20739         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
20740         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
20741         (sra_insert_before): Likewise.
20742         (sra_insert_after): Likewise.
20743         (sra_init_cache): Likewise.
20744         (insert_edge_copies_seq): Made static and moved upwards.
20745
20746         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
20747         case.
20748
20749         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
20750
20751         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
20752         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
20753         simple copies.
20754
20755 2009-05-20  Richard Guenther  <rguenther@suse.de>
20756
20757         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
20758         with mismatched comparison modes.
20759
20760 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20761
20762         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
20763         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
20764         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
20765         with shifts for Thumb2.
20766         (orsi_notsi): New for orn.
20767         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
20768         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
20769         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
20770         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
20771         Don't invert remainder for IOR.
20772
20773 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
20774
20775         PR tree-optimization/40087
20776         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
20777         number_of_iterations_ne): Rename never_infinite argument.
20778         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
20779         number_of_iterations_le): Handle pointer-type ivs when
20780         exit_must_be_taken is false.
20781         (number_of_iterations_cond):  Do not always assume that
20782         exit_must_be_taken if the control variable is a pointer.
20783
20784 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20785
20786         * c-typeck.c (build_binary_op): Allow % on integal vectors.
20787         * doc/extend.texi (Vector Extension): Document that % is allowed too.
20788
20789 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
20790
20791         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
20792         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
20793
20794 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20795
20796         PR c/40172
20797         * c.opt (Wlogical-op): Disabled by default.
20798         * c-opt (c_common_post_options): Do not enable Wlogical-op with
20799         Wextra.
20800         * doc/invoke.texi (Wlogical-op): Likewise.
20801
20802 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
20803
20804         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
20805         into CASE_CONVERT.
20806         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
20807         Propagate the type of the first operand.
20808         <ASSERT_EXPR>: Simplify.
20809         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
20810         Rewrite using the RHS code as discriminant.
20811         <NOP_EXPR>: Turn into CASE_CONVERT.
20812         <PLUS_EXPR>: Propagate the type of the first operand.
20813
20814 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
20815
20816         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
20817         (ia64_dconst_0_375): New.
20818         * config/ia64/ia64.c (ia64_override_options): Remove
20819         -minline-sqrt-min-latency warning.
20820         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
20821         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
20822         * config/ia64/ia64.md (*sqrt_approx): Remove.
20823         (sqrtsf2): Remove #if 0.
20824         (sqrtsf2_internal_thr): Rewrite and move to div.md.
20825         (sqrtdf): Remove assert.
20826         (sqrtdf2_internal_thr): Rewrite and move to div.md.
20827         (sqrtxf2): Remove #if 0.
20828         (sqrtxf2_internal_thr): Rewrite and move to div.md.
20829         * div.md (sqrt_approx_rf): New.
20830         (sqrtsf2_internal_thr): New implementation.
20831         (sqrtsf2_internal_lat): New.
20832         (sqrtdf2_internal_thr: New implementation.
20833         (sqrtxf2_internal): New implementation.
20834
20835 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
20836             Hans-Peter Nilsson  <hp@axis.com>
20837
20838         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
20839         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
20840         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
20841         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
20842         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
20843         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
20844         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
20845         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
20846         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
20847         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
20848         * c-common.c: ...from here.
20849
20850 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20851
20852         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
20853
20854 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20855
20856         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
20857
20858 2009-05-19  Ben Elliston  <bje@au.ibm.com>
20859
20860         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
20861         assignments with memcpy calls.
20862         (add_fdes): Likewise.
20863         (binary_search_unencoded_fdes): Likewise.
20864         (linear_search_fdes): Eliminate type puns.
20865
20866 2009-05-19  Richard Guenther  <rguenther@suse.de>
20867
20868         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
20869         not falsely claim to have propagated into all uses.
20870
20871 2009-05-19  Ben Elliston  <bje@au.ibm.com>
20872
20873         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
20874         version to v3.0.
20875
20876 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
20877
20878         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
20879         * config/sh/sh.c (sh_legitimate_address_p): Make static.
20880         (TARGET_LEGITIMATE_ADDRESS_P): New.
20881         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20882         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
20883
20884 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
20885
20886         PR debug/40109
20887         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
20888         child of the containing namespace's DIE.
20889
20890 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
20891
20892         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
20893         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
20894         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
20895         extend patterns.
20896
20897 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
20898
20899         PR target/39942
20900         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
20901         gen_align with gen_pad.
20902         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
20903         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
20904
20905         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
20906         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
20907
20908         * config/i386/i386.md (align): Renamed to ...
20909         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
20910         ASM_OUTPUT_MAX_SKIP_PAD.
20911
20912 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
20913
20914         * config.gcc: Fix variable syntax.
20915
20916         PR target/39531
20917         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
20918         before calling exact_log2.
20919         (output_iorsi3): Likewise.
20920         (output_xorsi3): Likewise.
20921
20922 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
20923
20924         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
20925         for the none zero constant operand except for EQ and NE
20926         comprisons even when the first operand is R0.
20927
20928 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
20929
20930         * config/s390/2064.md: Remove trailing whitespaces.
20931         * config/s390/2084.md: Likewise.
20932         * config/s390/constraints.md: Likewise.
20933         * config/s390/fixdfdi.h: Likewise.
20934         * config/s390/libgcc-glibc.ver: Likewise.
20935         * config/s390/s390-modes.def: Likewise.
20936         * config/s390/s390-protos.h: Likewise.
20937         * config/s390/s390.c: Likewise.
20938         * config/s390/s390.h: Likewise.
20939         * config/s390/s390.md: Likewise.
20940         * config/s390/tpf-unwind.h: Likewise.
20941
20942 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
20943
20944         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
20945
20946 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
20947
20948         M68K TLS support.
20949         * configure.ac (m68k-*-*): Check if binutils support TLS.
20950         * configure: Regenerate.
20951         * config/m68k/predicates.md (symbolic_operand): Extend comment.
20952         * config/m68k/constraints.md (Cu): New constraint.
20953         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
20954         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
20955         (movsi): Handle TLS symbols.
20956         (addsi3_5200): Handle XTLS symbols, indent.
20957         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
20958         (m68k_tls_reference_p): Declare.
20959         (m68k_legitimize_address): Declare.
20960         (m68k_unwrap_symbol): Declare.
20961         * config/m68k/m68k.opt (mxtls): New option.
20962         * config/m68k/m68k.c (ggc.h): Include.
20963         (m68k_output_dwarf_dtprel): Implement hook.
20964         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
20965         (m68k_expand_prologue): Load GOT pointer when function needs it.
20966         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
20967         (m68k_legitimate_constant_address_p): Same.
20968         (m68k_decompose_address): Handle TLS references.
20969         (m68k_get_gp): New static function.
20970         (enum m68k_reloc): New contants.
20971         (TLS_RELOC_P): New macro.
20972         (m68k_wrap_symbol): New static function.
20973         (m68k_unwrap_symbol): New function.
20974         (m68k_final_prescan_insn_1): New static function.
20975         (m68k_final_prescan_insn): New function.
20976         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
20977         functions.
20978         (legitimize_pic_address): Handle TLS references..
20979         (m68k_tls_get_addr, m68k_get_tls_get_addr)
20980         (m68k_libcall_value_in_a0_p)
20981         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
20982         (m68k_call_m68k_read_tp): Helper variables and functions for ...
20983         (m68k_legitimize_tls_address): Handle TLS references.
20984         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
20985         New functions.
20986         (m68k_legitimize_address): Handle TLS symbols.
20987         (m68k_get_reloc_decoration): New static function.
20988         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
20989         UNSPEC_RELOC32.
20990         (m68k_output_dwarf_dtprel): Implement hook.
20991         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
20992         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
20993         m68k_call_* routines.
20994         (sched_attr_op_type): Handle TLS symbols.
20995         (gt-m68k.h): Include.
20996         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
20997         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
20998
20999 2009-05-18  Martin Jambor  <mjambor@suse.cz>
21000
21001         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
21002         (visit_store_addr_for_mod_analysis): New function.
21003         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
21004         (determine_cst_member_ptr): Use gimple_assign_single_p.
21005         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
21006         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
21007         operands.  Don't check number of operands of a NOP_EXPR.
21008
21009 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
21010
21011         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
21012
21013 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21014
21015         PR c/40172
21016         * c-common.c (warn_logical_operator): Don't warn if one of
21017         expression isn't always true or false.
21018
21019 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
21020
21021         * config/i386/biarch32.h: New file.
21022         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
21023
21024 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
21025
21026         * config/mips/mips.md (*zero_extend<mode>_trunchi,
21027         *zero_extend<mode>_truncqi): Merge these into ...
21028         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
21029         Name the pattern following this as *zero_extendhi_truncqi.
21030
21031 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
21032
21033         PR middle-end/39301
21034         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
21035         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
21036         (output_info): Make field HOST_WIDEST_INT.
21037         (print_statistics): Use HOST_WIDEST_INT_PRINT.
21038         (dump_bitmat_statistics): Same.
21039
21040 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
21041
21042         * config.gcc (use_gcc_stdint):  Set to wrap.
21043         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
21044         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
21045         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
21046         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
21047         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
21048         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
21049         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
21050         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
21051
21052 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
21053
21054         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
21055         tune_64.
21056         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
21057         Move definitions earlier.
21058         (OPT_ARCH64, OPT_ARCH32): Define.
21059         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
21060         and tune_64.
21061
21062 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
21063
21064         PR target/40153
21065         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
21066         implies.
21067
21068 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
21069
21070         * arm.md (movdi2): Copy non-reg values to DImode registers.
21071
21072 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
21073
21074         PR target/39942
21075         * final.c (label_to_max_skip): New function.
21076         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
21077         CODE_LABEL_NUMBER <= max_labelno.
21078         * output.h (label_to_max_skip): New prototype.
21079         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
21080         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
21081         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
21082         Handle CODE_LABELs with >= 16 byte alignment or with
21083         max_skip == (1 << align) - 1.
21084         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
21085         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
21086
21087         PR target/39942
21088         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
21089         .p2align 3 if MAX_SKIP is smaller than 7.
21090         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
21091
21092 2009-05-15  Ian Lance Taylor  <iant@google.com>
21093
21094         * alias.c (struct alias_set_entry_d): Rename from struct
21095         alias_set_entry.  Change all uses.
21096         * except.c (struct call_site_record_d): Rename from struct
21097         call_site_record.  Change all uses.
21098         * except.h (struct eh_region_d): Rename from struct eh_region.
21099         Change all uses.
21100         * gcse.c (struct hash_table_d): Rename from struct hash_table.
21101         Change all uses.
21102         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
21103         ivtype_map_elt.  Change all uses.
21104         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
21105         Change all uses.
21106         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
21107         * graphite.h (struct name_tree_d): Rename from struct name_tree.
21108         Change all uses.
21109         (struct sese_d): Rename from struct sese.  Change all uses.
21110         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
21111         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
21112         * optabs.h (struct optab_d): Rename from struct optab.  Change all
21113         uses.
21114         (struct convert_optab_d): Rename from struct convert_optab.
21115         Change all uses.
21116         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
21117         ipa_opt_pass.  Change all uses.
21118         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
21119         all uses.
21120
21121         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
21122         defined as a typedef.
21123         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
21124         defined as a tag.
21125
21126 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21127
21128         PR 16302
21129         * fold-const.c (make_range,build_range_check,merge_ranges): Move
21130         declaration to...
21131         (merge_ranges): Returns bool.
21132         * tree.h (make_range): .. to here.
21133         (build_range_check): Likewise.
21134         (merge_ranges): Likewise. Renamed from merge_ranges.
21135         * c-typeck.c (parser_build_binary_op): Update calls to
21136         warn_logical_operator.
21137         * c-common.c (warn_logical_operator): Add new warning.
21138         * c-common.h (warn_logical_operator): Update declaration.
21139
21140 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21141
21142         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
21143
21144 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21145
21146         * doc/install.texi: Document MPC requirements, flags etc.
21147
21148         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
21149         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
21150         Evaluate constant arguments.
21151         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
21152         (fold_builtin_1): Likewise, also evaluate constant arguments.
21153         Remove superfluous break.
21154         (do_mpc_ckconv): New.
21155         * real.h: Include mpc.h.
21156         * toplev.c (print_version): Output MPC version info if available.
21157
21158 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
21159
21160         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
21161
21162 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
21163
21164         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
21165         only once.
21166
21167 2009-05-15  Jan Hubicka  <jh@suse.cz>
21168
21169         * doc/invoke.texi (max-early-inliner-iterations): New flag.
21170         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
21171         (try_inline): Fix return value.
21172         (cgraph_decide_inlining_incrementally): Honor new value.
21173         (cgraph_early_inlining): Handle indirect inlining.
21174         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
21175
21176 2009-05-15  Jan Hubicka  <jh@suse.cz>
21177
21178         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
21179         * cgraphunit.c (cgraph_finalize_function): Set it.
21180         (cgraph_expand_function): Use it.
21181
21182 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
21183
21184         * real.c (encode_ieee_half): Define.
21185         (decode_ieee_half): Define.
21186         (ieee_half_format): Define.
21187         (arm_half_format): Define.
21188         * real.h (ieee_half_format): Declare.
21189         (arm_half_format): Declare.
21190
21191 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
21192
21193         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
21194         swapped, and reversed optabs exist before trying to use them.
21195
21196 2009-05-15  Paul Brook  <paul@codesourcery.com>
21197             Sandra Loosemore  <sandra@codesourcery.com>
21198
21199         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
21200         loads.  Allow PRE_DEC.
21201         (output_move_neon): Handle PRE_DEC.
21202         (arm_print_operand): Add 'A' for neon structure loads.
21203         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
21204         * config/arm/neon.md (neon_mov): Update comment.
21205         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
21206         calls.
21207         (Um): New constraint.
21208
21209 2009-05-15  Jan Hubicka  <jh@suse.cz>
21210
21211         Revert the following patch until testsuite fallout is fixed:
21212         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
21213         * cgraph.h (struct inline_summary): New filed self_wize,
21214         size_inlining_benefit, self_time and time_inlining_benefit.
21215         (struct cgraph_global_info): Replace insns by time ans size fields.
21216         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
21217         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
21218         (ipcp_update_callgraph): Do not touch function bodies.
21219         * ipa-inline.c: Include except.h
21220         (MAX_TIME): New constant.
21221         (overall_insns): Remove
21222         (overall_size, max_benefit): New static variables.
21223         (cgraph_estimate_time_after_inlining): New function.
21224         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
21225         (cgraph_clone_inlined_nodes): Update size.
21226         (cgraph_mark_inline_edge): Update size.
21227         (cgraph_estimate_growth): Use size info.
21228         (cgraph_check_inline_limits): Check size.
21229         (cgraph_default_inline_p): Likewise.
21230         (cgraph_edge_badness): Compute badness based on benefit and size cost.
21231         (cgraph_decide_recursive_inlining): Check size.
21232         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
21233         and times.
21234         (cgraph_decide_inlining): Likewise.
21235         (cgraph_decide_inlining_incrementally): Likewise; honor
21236         PARAM_EARLY_INLINING_INSNS.
21237         (likely_eliminated_by_inlining_p): New predicate.
21238         (estimate_function_body_sizes): New function.
21239         (compute_inline_parameters): Use it.
21240         * except.c (must_not_throw_labels): New function.
21241         * except.h (must_not_throw_labels): Declare.
21242         * tree-inline.c (init_inline_once): Kill inlining_weigths
21243         * tree-ssa-structalias.c: Avoid uninitialized warning.
21244         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
21245         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
21246         (PARAM_INLINE_CALL_COST): Remove.
21247         (PARAM_EARLY_INLINING_INSNS): New.
21248
21249 2009-05-15  Richard Guenther  <rguenther@suse.de>
21250
21251         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
21252         not TODO_update_ssa.
21253
21254 2009-05-15  Richard Guenther  <rguenther@suse.de>
21255
21256         PR tree-optimization/39999
21257         * gimple.h (gimple_expr_type): Use the expression type looking
21258         through useless conversions.
21259         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
21260         (vn_nary_op_insert_stmt): Likewise.
21261         (simplify_binary_expression): Likewise.
21262
21263 2009-05-15  Richard Guenther  <rguenther@suse.de>
21264
21265         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
21266         New options, enabled by default.
21267         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
21268         Document.
21269         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
21270         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
21271         * tree-ssa-structalias.c (gate_tree_pta): New function.
21272         (pass_build_alias): Use it.
21273
21274 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
21275
21276         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
21277         recurse on an invariant address if a conversion from a pointer
21278         type to a wider integer type is involved.
21279
21280 2009-05-15  Jan Hubicka  <jh@suse.cz>
21281
21282         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
21283         * cgraph.h (struct inline_summary): New filed self_wize,
21284         size_inlining_benefit, self_time and time_inlining_benefit.
21285         (struct cgraph_global_info): Replace insns by time ans size fields.
21286         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
21287         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
21288         (ipcp_update_callgraph): Do not touch function bodies.
21289         * ipa-inline.c: Include except.h
21290         (MAX_TIME): New constant.
21291         (overall_insns): Remove
21292         (overall_size, max_benefit): New static variables.
21293         (cgraph_estimate_time_after_inlining): New function.
21294         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
21295         (cgraph_clone_inlined_nodes): Update size.
21296         (cgraph_mark_inline_edge): Update size.
21297         (cgraph_estimate_growth): Use size info.
21298         (cgraph_check_inline_limits): Check size.
21299         (cgraph_default_inline_p): Likewise.
21300         (cgraph_edge_badness): Compute badness based on benefit and size cost.
21301         (cgraph_decide_recursive_inlining): Check size.
21302         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
21303         and times.
21304         (cgraph_decide_inlining): Likewise.
21305         (cgraph_decide_inlining_incrementally): Likewise; honor
21306         PARAM_EARLY_INLINING_INSNS.
21307         (likely_eliminated_by_inlining_p): New predicate.
21308         (estimate_function_body_sizes): New function.
21309         (compute_inline_parameters): Use it.
21310         * except.c (must_not_throw_labels): New function.
21311         * except.h (must_not_throw_labels): Declare.
21312         * tree-inline.c (init_inline_once): Kill inlining_weigths
21313         * tree-ssa-structalias.c: Avoid uninitialized warning.
21314         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
21315         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
21316         (PARAM_INLINE_CALL_COST): Remove.
21317         (PARAM_EARLY_INLINING_INSNS): New.
21318         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
21319         (inline-call-cost): Remove.
21320         (early-inlining-insns): New.
21321
21322 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
21323
21324         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
21325         for bounds.
21326         (print_int_cst_bounds_in_octal_p): Likewise.
21327         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
21328         with subtypes.
21329         * dwarf2out.c (base_type_die): Likewise.
21330         (is_subrange_type): Delete.
21331         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
21332         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
21333         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
21334         if the destination type is boolean.
21335         (build_range_check): Do not special-case subtypes.
21336         (fold_sign_changed_comparison): Likewise.
21337         (fold_unary): Likewise.
21338         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
21339         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
21340         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
21341         * tree.c (subrange_type_for_debug_p): New predicate based on the
21342         former is_subrange_type.
21343         * tree.h (subrange_type_for_debug_p): Declare.
21344         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
21345         (convert_affine_scev): Remove call to above function.
21346         (chrec_convert_aggressive): Likewise.
21347         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
21348         false for conversions involving subtypes.
21349         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
21350         (vrp_val_min): Likewise.
21351         (needs_overflow_infinity): Likewise.
21352         (extract_range_from_unary_expr): Likewise.
21353
21354 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
21355
21356         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
21357         * config/frv/frv.c: Likewise.
21358         * config/s390/s390.c: Likewise.
21359         * config/sparc/sparc.h: Likewise.
21360         * config/i386/i386.h: Likewise.
21361         * config/i386/i386.c: Likewise.
21362         * config/crx/crx.c: Likewise.
21363         * config/m68hc11/m68hc11.h: Likewise.
21364         * config/iq2000/iq2000.c: Likewise.
21365         * config/mn10300/mn10300.h: Likewise.
21366         * config/mn10300/mn10300.c: Likewise.
21367         * config/m68k/m68k.c: Likewise.
21368         * config/rs6000/rs6000.c: Likewise.
21369         * config/rs6000/xcoff.h: Likewise.
21370         * config/rs6000/linux64.h: Likewise.
21371         * config/rs6000/sysv4.h: Likewise.
21372         * config/score/score3.c: Likewise.
21373         * config/score/score7.c: Likewise.
21374         * config/score/score.c: Likewise.
21375         * config/arm/arm.md: Likewise.
21376         * config/mips/mips.c: Likewise.
21377         * config/mips/mips.md: Likewise.
21378         * config/bfin/bfin.h: Likewise.
21379         * config/pa/pa.c: Likewise.
21380         * config/pa/constraints.md: Likewise.
21381
21382         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
21383         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
21384         * config/pdp11/pdp11.h: Use memory_address_p instead.
21385
21386 2009-05-14  Ian Lance Taylor  <iant@google.com>
21387
21388         * passes.c (finish_optimization_passes): Change i to int.
21389         * plugin.c (plugins_active_p): Change event to int.
21390         (dump_active_plugins): Likewise.
21391         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
21392         Add cast.
21393         * tree.c (tree_range_check_failed): Change c to unsigned int.
21394         (omp_clause_range_check_failed): Likewise.
21395         (build_common_builtin_nodes): Change mode to int.  Add cast.
21396         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
21397         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
21398
21399         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
21400         ++ or -- with a variable of enum type.
21401
21402 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
21403
21404         PR driver/40144
21405         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
21406
21407 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
21408
21409         * store-motion.c: Do not include params.h
21410         * Makefile.in: Fix dependencies for various files.
21411
21412 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
21413
21414         * auto-inc-dec.c: Fix pass description, remove apparent
21415         accidental duplication.
21416
21417 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
21418
21419         PR middle-end/40147
21420         * ipa-utils.h (memory_identifier_string): Moved to ...
21421         * tree.h (memory_identifier_string): Here.  Add GTY(()).
21422
21423 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
21424
21425         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
21426         in the former documentation of...
21427         (GO_IF_LEGITIMATE_ADDRESS): ... this.
21428         * ira-conflicts.c (get_dup_num): Use address_operand.
21429         * targhooks.c (default_legitimate_address_p): New.
21430         * targhooks.h (default_legitimate_address_p): New.
21431         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
21432         Call hook.
21433         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
21434         * target.h (struct target): Add legitimate_address_p.
21435         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
21436         (TARGET_INITIALIZER): Include it.
21437
21438         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21439         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
21440         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
21441         (TARGET_LEGITIMATE_ADDRESS_P): New.
21442
21443         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21444         (REG_OK_STRICT_P): Delete.
21445         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
21446         (frv_legitimate_address_p_1): ... this.
21447         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
21448         (frv_legitimate_address_p_1): ... the renamed old
21449         frv_legitimate_address_p.
21450         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
21451         (TARGET_LEGITIMATE_ADDRESS_P): New.
21452
21453         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21454         * config/s390/s390-protos.h (legitimate_address_p): Remove.
21455         * config/s390/s390.c (legitimate_address_p): Rename to...
21456         (s390_legitimate_address_p): ... this, make static.
21457         (legitimize_address): Adjust call.
21458         (TARGET_LEGITIMATE_ADDRESS_P): New.
21459         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
21460
21461         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21462         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
21463         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
21464         (TARGET_LEGITIMATE_ADDRESS_P): New.
21465
21466         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21467         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
21468         * config/spu/spu.c (spu_legitimate_address): Rename to...
21469         (spu_legitimate_address_p): ... this, make static.
21470         (TARGET_LEGITIMATE_ADDRESS_P): New.
21471
21472         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21473         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
21474         * config/sparc/sparc.c (legitimate_address_p): Rename to...
21475         (sparc_legitimate_address_p): ... this, make static and return bool.
21476         (legitimize_address): Adjust call.
21477         (TARGET_LEGITIMATE_ADDRESS_P): New.
21478
21479         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21480         * config/i386/i386-protos.h (legitimate_address_p): Remove.
21481         * config/i386/i386.c (legitimate_address_p): Rename to...
21482         (ix86_legitimate_address_p): ... this, make static.
21483         (constant_address_p): Move after it, adjust call.
21484         (TARGET_LEGITIMATE_ADDRESS_P): New.
21485
21486         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21487         * config/avr/avr-protos.h (legitimate_address_p): Remove.
21488         * config/avr/avr.c (legitimate_address_p): Rename to...
21489         (avr_legitimate_address_p): ... this, make static.
21490         (legitimize_address): Adjust call.
21491         (TARGET_LEGITIMATE_ADDRESS_P): New.
21492
21493         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21494         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
21495         * config/crx/crx.c (crx_legitimate_address_p): Make static.
21496         (TARGET_LEGITIMATE_ADDRESS_P): New.
21497
21498         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21499         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
21500         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
21501         (TARGET_LEGITIMATE_ADDRESS_P): New.
21502
21503         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21504         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
21505         Remove.
21506         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
21507         Make static.
21508         (TARGET_LEGITIMATE_ADDRESS_P): New.
21509
21510         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21511         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
21512         Remove.
21513         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
21514         Rename to...
21515         (m68hc11_legitimate_address_p): ... this, make static.
21516         (go_if_legitimate_address_internal): Rename to...
21517         (m68hc11_legitimate_address_p_1): ... this.
21518         (legitimize_address): Adjust call.
21519         (TARGET_LEGITIMATE_ADDRESS_P): New.
21520
21521         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21522         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
21523         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
21524         (TARGET_LEGITIMATE_ADDRESS_P): New.
21525
21526         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21527         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
21528         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
21529         (mn10300_legitimate_address_p): ... this, make static.
21530         (TARGET_LEGITIMATE_ADDRESS_P): New.
21531
21532         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21533         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
21534         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
21535         (TARGET_LEGITIMATE_ADDRESS_P): New.
21536
21537         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21538         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
21539         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
21540         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21541         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
21542         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
21543         (rs6000_legitimate_address_p): ... this, make static.
21544         (TARGET_LEGITIMATE_ADDRESS_P): New.
21545         (REG_MODE_OK_FOR_BASE_P): Delete.
21546         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
21547
21548         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21549         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
21550         Delete.
21551         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
21552         static, adjust types.
21553         (TARGET_LEGITIMATE_ADDRESS_P): New.
21554
21555         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21556         * config/score/score.c (score_address_p): Rename to...
21557         (score_legitimate_address_p): ... this.
21558         (TARGET_LEGITIMATE_ADDRESS_P): New.
21559         * config/score/score3.c (score3_address_p): Rename to...
21560         (score3_legitimate_address_p): ... this.
21561         * config/score/score7.c (score7_address_p): Rename to...
21562         (score7_legitimate_address_p): ... this.
21563
21564         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
21565         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
21566         GO_IF_LEGITIMATE_ADDRESS): Delete.
21567         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
21568         thumb2_legitimate_address_p): Delete.
21569         (arm_legitimate_address_p): Rename to...
21570         (arm_legitimate_address_outer_p): ... this.
21571         * config/arm/constraints.md ("Uq"): Adjust call.
21572         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
21573         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
21574         to...
21575         (arm_legitimate_address_outer_p): ... this.
21576         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
21577         static.
21578         (TARGET_LEGITIMATE_ADDRESS_P): New.
21579
21580         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21581         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
21582         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
21583         (TARGET_LEGITIMATE_ADDRESS_P): New.
21584
21585         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21586         * config/vax/vax-protos.h (legitimate_address_p): Remove.
21587         * config/vax/vax.c (legitimate_address_p): Rename to...
21588         (vax_legitimate_address_p): ... this, make static.
21589         (TARGET_LEGITIMATE_ADDRESS_P): New.
21590
21591         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21592         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
21593         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
21594         (TARGET_LEGITIMATE_ADDRESS_P): New.
21595
21596         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21597         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
21598         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
21599         (mmix_legitimate_address_p): ... this, make static.
21600         (TARGET_LEGITIMATE_ADDRESS_P): New.
21601
21602         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
21603         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
21604         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
21605         (TARGET_LEGITIMATE_ADDRESS_P): New.
21606
21607 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
21608
21609         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
21610         of MODE_COMPLEX_INT.
21611
21612 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
21613
21614         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
21615         LCT_NORMAL in function call.
21616         * mips-tdump.c (print_file_desc): Add cast to enum type.
21617         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
21618         (mark_stabs): Add casts to enum types.
21619         (parse_stabs_common): Add casts to enum types.
21620
21621 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
21622
21623         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
21624         Check for invalid values of LETTER.
21625
21626 2009-05-13  Taras Glek  <tglek@mozilla.com>
21627
21628         * attribs.c (register_attribute): moved out attribute registration
21629         into register_attribute.
21630         * doc/plugins.texi: Documented register_attribute and
21631         PLUGIN_ATTRIBUTES.
21632         * gcc-plugin.h: Added forward decl for register_attribute.
21633         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
21634         * plugin.c (register_callback, invoke_plugin_callbacks): Added
21635         PLUGIN_ATTRIBUTES boilerplate.
21636
21637 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
21638
21639         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
21640         values even in sentinel and empty entries.
21641         (ms_printf_flag_specs):  Likewise.
21642         (ms_scanf_flag_specs):  Likewise.
21643         (ms_strftime_flag_specs):  Likewise.
21644         (ms_print_char_table):  Likewise.
21645         (ms_scan_char_table):  Likewise.
21646         (ms_time_char_table):  Likewise.
21647
21648 2009-05-13  Doug Kwan  <dougkwan@google.com>
21649
21650         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
21651
21652 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
21653
21654         * config/mips/mips.md (store): Add attributes for QI and HI.
21655         Update comment.
21656         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
21657         (truncdi<mode>2): ... this new pattern.
21658
21659 2009-05-13  Brad Hards  <bradh@kde.org>
21660
21661         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
21662
21663 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
21664             Ben Elliston <bje@au.ibm.com>
21665
21666         PR middle-end/40035
21667         * dse.c (check_mem_read_rtx): Guard against width == -1.
21668
21669 2009-05-13  Michael Matz  <matz@suse.de>
21670
21671         PR middle-end/39976
21672         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
21673         (trivially_conflicts_p): New function.
21674         (insert_backedge_copies): Use it.
21675
21676 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
21677
21678         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
21679         (handle_stdc_pragma): Use new enum constant names.
21680         (handle_pragma_float_const_decimal64): Ditto.
21681
21682 2009-05-13  Ian Lance Taylor  <iant@google.com>
21683
21684         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
21685         tree.def.
21686
21687 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
21688
21689         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
21690         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
21691         multilibs.
21692         * config/m68k/m68k.h (FL_UCLINUX): Define.
21693
21694 2009-05-13  Jan Hubicka  <jh@suse.cz>
21695
21696         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
21697
21698 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
21699
21700         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
21701         unless -fschedule-insns is specified.
21702
21703 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
21704
21705         PR target/39561
21706         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
21707         TARGET_EXPAND_CBRANCHDI4.
21708         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
21709         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
21710         (cmpeqdi): Fix comment.
21711
21712 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
21713
21714         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
21715         (sh_legitimate_address_p): Likewise.
21716         * config/sh/sh.c (sh_legitimate_index_p): New.
21717         (sh_legitimate_address_p): Likewise.
21718         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
21719         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
21720         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
21721         (MAYBE_BASE_REGISTER_RTX_P): New macro.
21722         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
21723         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
21724         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
21725         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
21726         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
21727
21728 2009-05-12  Jan Hubicka  <jh@suse.cz>
21729
21730         * tree-inline.c (estimate_operator_cost): Add operands;
21731         when division happens by constant, it is cheap.
21732         (estimate_num_insns): Loads and stores are not having cost of 0;
21733         EH magic stuff is cheap; when computing runtime cost of switch,
21734         use log2 base of amount of its cases; builtin_expect has cost of 0;
21735         compute cost for moving return value of call.
21736         (init_inline_once): Initialize time_based flags.
21737         * tree-inline.h (eni_weights_d): Add time_based flag.
21738
21739 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21740
21741         * df-core.c: Update head documentation.
21742
21743 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
21744
21745         PR bootstrap/40118
21746         * rs6000.c (rs6000_generate_compare): Use op1b instead of
21747         shadowing exisiting variable op1.
21748
21749 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
21750
21751         PR target/37179
21752         * config/i386/driver-i386.c (processor_signatures): New enum.
21753         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
21754         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
21755         processor signature to detect geode processor.
21756
21757 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21758
21759         Revert:
21760
21761         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21762
21763         * optabs.c (prepare_cmp_insn): Temporarily disable test that
21764         causes spurious differences between trunk and cond-optab branch.
21765
21766 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
21767
21768         * dojump.c (compare_from_rtx): Delete.
21769         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
21770         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
21771         if the comparison does not satisfy the predicate; test predicates for
21772         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
21773         further if one existing pattern fails.
21774         * expr.h (compare_from_rtx): Delete.
21775         (prepare_operand): Declare it.
21776         * optabs.c: Change "lib call" to "libcall" throughout.
21777         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
21778         HAVE_conditional_trap, emit_cmp_insn): Delete.
21779         (can_compare_p): Delete cmp_optab case.
21780         (prepare_float_lib_cmp): Return an rtx and a machine mode.
21781         Accept other parameters by value.
21782         (prepare_operand): Make non-static.
21783         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
21784         other parameters by value.  Try to widen operands here based on
21785         an optab_methods argument and looking at cbranch_optab.
21786         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
21787         loop.  Use cbranch_optab directly.
21788         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
21789         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
21790         assertion.
21791         (emit_conditional_move, emit_conditional_add): Inline what's needed
21792         of compare_from_rtx, using new prepare_cmp_insn for the rest.
21793         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
21794         with COMPARE.  Move cmov_optab and cstore_optab above
21795         with cbranch_optab, move cmp_optab down with ucmp_optab,
21796         remove tst_otpab.  Do not initialize trap_rtx.
21797         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
21798         for trap code.  Do not check HAVE_conditional_trap.  Use
21799         prepare_cmp_insn.  Accept no predicate for operand 3.
21800         * optabs.h (OTI_cmp): Mark as used only for libcalls.
21801         (OTI_ctrap, ctrap_optab): New.
21802         (tst_optab): Delete.
21803         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
21804         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
21805         with lookup of ctrap_optab.
21806         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
21807         Delete.
21808         (ctrap_optab): New.
21809
21810         * combine.c (combine_simplify_rtx, simplify_set): Do not
21811         special case comparing against zero for cc0 machines.
21812         * simplify-rtx.c (simplify_binary_operation_1): Never remove
21813         COMPARE on cc0 machines.
21814         (simplify_relational_operation): Return a new expression when
21815         a COMPARE could be removed.
21816         * final.c (final_scan_insn): Compare cc_status values
21817         against LHS of a (compare FOO (const_int 0)) cc0 source.
21818         Also check if cc_status.value is the full compare.
21819
21820         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
21821         (cstoreMM4): Document.
21822         (conditional_trap): Document ctrapMM4 instead.
21823         (sync_compare_and_swapMM): Refer to cbranchcc4.
21824         (Dependent Patterns): Eliminate obsolete information referring to
21825         the old jump optimization phase.
21826         (Canonicalization): Include cbranchcc4 case, omit canonicalization
21827         of compares with 0 on cc0 machines.
21828         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
21829         avoiding references to cc0.  Remove text about storing operands
21830         in cmpMM.
21831         * doc/tm.texi (Condition Codes): Include blurb on different
21832         condition code representations, separate into subsections for
21833         CC0, MODE_CC and conditional execution.
21834
21835         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
21836         alpha_emit_setcc): Accept operands and a machine mode.
21837         * config/alpha/alpha.c (alpha_emit_conditional_branch):
21838         Get code/op0/op1 from operands, use machine mode argument
21839         instead of alpha_compare.fp_p.  Emit the branch here.
21840         (alpha_emit_setcc): Likewise, and return boolean.
21841         (alpha_emit_conditional_move): Likewise.  Assert that
21842         cmp_op_mode == cmp_mode, and simplify accordingly.
21843         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
21844         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
21845         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
21846         Delete.
21847         (stack probe test): Use cbranchdi4.
21848         * config/alpha/predicates.md (alpha_cbranch_operator): New.
21849
21850         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
21851         * config/arc/arc.h (movsicc, movsfcc): Use it.
21852         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
21853         (cbranchsi4, cstoresi4): New.
21854         (cmpsi, bCC and sCC expanders): Remove.
21855
21856         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
21857         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
21858         * config/arm/predicates.md (arm_comparison_operator): Only include
21859         floating-point operators if there is a hardware floating-point unit.
21860         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
21861         deferring to cbranch_cc and cstore_cc respectively.
21862         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
21863         cbranch_cc, cstore_cc): New.
21864         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
21865         arm_compare_op1.
21866         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
21867
21868         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
21869         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
21870         as an argument.
21871         (adjust_insn_length): Adjust calls.
21872         (avr_reorg): Handle (compare (foo) (const_int 0)).
21873         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
21874         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
21875         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
21876         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
21877         (bCC): Remove.
21878         (cbranchqi4, cbranchhi4, cbranchsi4): New.
21879         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
21880
21881         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
21882         (cbranchsi4, cstorebi4, cstoresi4): New.
21883         (movbisi): This insn is duplicate, split it to zero_extend.
21884         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
21885         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
21886         (bfin_optimize_loop): Use cbranch expander.
21887         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
21888         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
21889         (bfin_bimode_comparison_operator): ... this.
21890         (bfin_direct_comparison_operator): New.
21891
21892         * config/cris/cris.c (cris_normal_notice_update_cc): Look
21893         inside (compare FOO (const_int 0)).
21894         (cris_rtx_costs): Handle ZERO_EXTRACT.
21895         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
21896         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
21897         (*tstdi_v32): Delete.
21898         (*cmpdi_non_v32): Add M alternative for operand 1.
21899         (cmpsi, cmp<mode>): Make private.
21900         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
21901         with COMPARE.
21902         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
21903
21904         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
21905         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
21906         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
21907         (cc_reg_operand): New.
21908         (any_cond): Delete.
21909         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
21910         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
21911         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
21912         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
21913         crx_expand_scond): Delete.
21914
21915         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
21916         (cbranchsi4): New.
21917         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
21918         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
21919
21920         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
21921         cstoresi4, cstoresf4, cstoredf4): New.
21922         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
21923         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
21924         Receive the entire operands array.
21925         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
21926         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
21927         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
21928         Get test/op0/op1 from the operands array.
21929         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
21930
21931         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
21932         (h8300_expand_store): New.
21933         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
21934         (const_int 0)).
21935         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
21936         (h8300_expand_store): New.
21937         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
21938         or do not try to produce (set (cc0) REG).
21939         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
21940         change a compare into a move to a scratch register.  Disable some
21941         peepholes when comparing with zero.
21942         (tstsi, tsthi, tstsi, cmpqi): Make private.
21943         (cmphi): Delete.
21944         (bCC, sCC): Delete.
21945         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
21946         cstoresi4): New.
21947
21948         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
21949         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
21950         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
21951         (ix86_emit_i387_log1p): Use cbranchxf2.
21952         (ix86_expand_setcc): Return void.
21953         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
21954         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
21955         cmp<MODEF>, cmpcc): Remove.
21956         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
21957         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
21958         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
21959         (sCC and bCC expanders): Remove.
21960         (stack_protect_test): Use cbranchcc4.
21961
21962         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
21963         Delete.
21964         (ia64_expand_compare): Accept three rtx by reference and return void.
21965         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
21966         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
21967         from *expr.  Update *expr with the BImode comparison to do.
21968         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
21969         cmptf, bCC, sCC, conditional_trap): Delete.
21970         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
21971         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
21972         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
21973         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
21974         * config/ia64/predicates.md (ia64_cbranch_operator): New.
21975
21976         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
21977         type of last argument.
21978         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
21979         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
21980         use machine mode argument instead of branch_type.  Remove dead
21981         code for floating-point comparisons.
21982         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
21983         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
21984         Remove.
21985         (cbranchsi4, cstoresi4): New.
21986         * config/iq2000/predicates.md (reg_or_const_operand): New.
21987
21988         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
21989         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
21990         (b<code>_op): Rewrite to...
21991         (bcc_op): ... this, using match_operator.
21992         (s<code>_op): Rewrite to...
21993         (scc_op): ... this, using match_operator.
21994         (s<code>_24_op): Rewrite to...
21995         (scc_op_24): ... this, using match_operator.
21996         (s<code>_<mode>): Rewrite to...
21997         (cstore<mode>4): ... this, using match_operator.
21998         (s<code>_<mode>_24): Rewrite to...
21999         (cstore<mode>4_24): ... this, using match_operator.
22000         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
22001         m32c_unpend_compare, m32c_expand_scc): Delete.
22002         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
22003         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
22004         (m32c_expand_movcc): Change NE to EQ if necessary.
22005         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
22006
22007         * config/m32r/m32r-protos.h (gen_cond_store): New.
22008         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
22009         (gen_cond_store): New, from sCC patterns.
22010         (m32r_expand_block_move): Use cbranchsi4.
22011         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
22012         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
22013         (cbranchsi4, cstoresi4): New.
22014
22015         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
22016         Delete.
22017         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
22018         (m68hc11_notice_update_cc): Look into a compare with 0.
22019         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
22020         Delete.
22021         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
22022         cmphi, cmpqi, bCC): Delete.
22023         (cbranchsi4, cbranchhi4, cbranchqi4): New.
22024         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
22025         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
22026         sets with COMPARE.
22027
22028         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
22029         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
22030         * config/m68k/constraints.md (H): New.
22031         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
22032         the define_insn below.
22033         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
22034         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
22035         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
22036         patterns): Wrap RHS with COMPARE.
22037         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
22038         (*cmpdi_internal): Name this pattern.
22039         (cmpdi): Change to define_insn.
22040         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
22041         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
22042         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
22043         predicate.
22044         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
22045         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
22046         (conditional_trap): Change to...
22047         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
22048         (*conditional_trap): Use the ordered_comparison_operator and
22049         const1_operand predicates.
22050         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
22051         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
22052         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
22053         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
22054
22055         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
22056         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
22057         (mcore_gen_compare): New.
22058         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
22059         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
22060         (mcore_gen_compare): ... this.
22061         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
22062         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
22063         (stack probe pattern): Use cbranchsi4.
22064
22065         * config/mips/predicates.md (mips_cstore_operator): New.
22066         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
22067         * config/mips/mips.md (any_cond): Delete.
22068         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
22069         always succeed.
22070         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
22071         fixuns_truncsfdi2): Use cbranch patterns.
22072         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
22073         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
22074         Adjust call to mips_expand_conditional_branch.
22075         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
22076         cstore<GPR:mode>4.
22077         * config/mips/mips-protos.h (mips_expand_conditional_branch,
22078         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
22079         * config/mips/mips.c (cmp_operands): Delete.
22080         (mips_emit_compare): Get comparison operands from *op0/*op1.
22081         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
22082         that it succeeds.  Use op0/op1 instead of cmp_operands.
22083         (mips_expand_conditional_branch, mips_expand_conditional_move,
22084         mips_expand_conditional_trap): Likewise.
22085         (mips_block_move_loop): Use cbranch patterns.
22086         * config/mips/mips.h (cmp_operands): Delete.
22087
22088         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
22089         (mmix_gen_compare_reg): Just return a register in the right CC mode.
22090         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
22091         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
22092         (*cmpcc_folded): Rename to...
22093         (*cmpdi_folded): this.
22094         (*cmpcc): Rename to...
22095         (*cmps): ... this.
22096         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
22097         (bCC): Remove.
22098         (cbranchdi4): New.
22099         (cbranchdf4): New.  Handle invalid comparisons here.
22100         * config/mmix/predicates.md (float_comparison_operator): New.
22101
22102         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
22103         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
22104         * config/mn10300/mn10300.md (tst): Delete.
22105         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
22106         Name these patterns and wrap RHS in a compare.
22107         (*cmpsi): Make this pattern private.  Include tst.
22108         (*cmpsf): Make this pattern private.
22109         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
22110         (compare with zero peepholes): Likewise.
22111         (bCC): Remove.
22112         (cbranchsi4, cbranchsf4): New.
22113         (casesi): Use cbranchsi4.
22114
22115         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
22116         hppa_branch_type): Delete.
22117         (return_addr_rtx): Use cbranchsi4.
22118         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
22119         Emit CCFPmode comparison here.
22120         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
22121         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
22122         hppa_branch_type): Delete.
22123         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
22124         (movsicc, movdicc): Remove references to hppa_compare_op0,
22125         hppa_compare_op1 and compare_from_rtx.
22126         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
22127         (casesi): Use cbranchsi4.
22128
22129         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
22130         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
22131         * config/pdp11/pdp11.md (register_or_const0_operand): New.
22132         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
22133         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
22134         (bCC): Delete.
22135         (cbranchdf4, cbranchhi4, cbranchqi4): New.
22136         (*branch, *branch_inverted): New.
22137
22138         * config/picochip/picochip.md (cbranchhi4): Use
22139         ordered_comparison_operator.
22140         (cmphi, bCC): Remove.
22141
22142         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
22143         (trap_comparison_operator): Delete.
22144         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
22145         rs6000_emit_cbranch): Accept mode and operands.
22146         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
22147         rs6000_compare_fp_p): Delete.
22148         (rs6000_generate_compare): Accept mode and comparison.  Extract code
22149         and op0/op1 from there.  Replace references to rs6000_compare_op0
22150         and rs6000_compare_op1.
22151         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
22152         extract result from passed operands.
22153         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
22154         extract loc from passed operands.
22155         (rs6000_emit_cmove): Likewise.
22156         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
22157         rs6000_compare_fp_p): Delete.
22158         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
22159         (cbranch<GPR>4, cbranch<FP>4): New.
22160         (cstore<mode>4): New.  Consolidate here all choices about when to use
22161         portable or specialized sCC sequences.
22162         (stack_protect_test): Use cbranchsi4.
22163         (conditional_trap): Replace with ctrap<GPR>4.
22164         (conditional trap insn): Replace trap_comparison_operator with
22165         ordered_comparison_operator.
22166
22167         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
22168         (s390_emit_prologue): Use ctrap.
22169         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
22170         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
22171         New predicates replacing...
22172         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
22173         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
22174         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
22175         (add<mode>cc): Do not use s390_compare_op0/op1.
22176         (s<code>): Change to...
22177         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
22178         (seq): Change to...
22179         (cstorecc4): ... this.  Handle EQ or NE equally.
22180         (*sne): Un-privatize for use in cstorecc4.
22181         (b<code>): Change to...
22182         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
22183         (conditional_trap): Replace with...
22184         (ctrap<GPR>4, ctrap<FP>4): ... these.
22185         (stack_protect): Use cbranchcc4.
22186
22187         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
22188         * config/score/score-protos.h (score_gen_cmp): Delete.
22189         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
22190         (score_block_move-loop): Use cbranchsi4.
22191         * config/score/score.md (cbranchsi4): New.
22192         (cmpsi, bCC): Delete.
22193         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
22194         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
22195         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
22196         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
22197         * config/score/score3.h (score3_gen_cmp): Delete.
22198         * config/score/score7.h (score7_gen_cmp): Delete.
22199
22200         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
22201         (sh_emit_scc_to_t): ... this.  Return void.
22202         (from_compare): Rename to...
22203         (sh_emit_compare_and_branch): ... this.
22204         (sh_emit_compare_and_set): New.
22205         (sh_expand_t_scc): Accept operands.
22206         * config/sh/predicates.md (sh_float_comparison_operator): New.
22207         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
22208         (prepare_scc_operands): Rename to...
22209         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
22210         arguments.
22211         (sh_emit_cheap_store_flag): New.
22212         (sh_emit_set_t_insn): New.
22213         (from_compare): Rename to...
22214         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
22215         handling of TARGET_SH2E floating point to avoid recursive call.
22216         Generate branch here.
22217         (sh_emit_compare_and_set): New.
22218         (sh_expand_t_scc): Get op0/op1 from arguments.
22219         (sh_emit_cheap_store_flag): New.
22220         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
22221         cases.
22222         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
22223         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
22224         (movsicc, movdicc): Do nothing when it recreated operands from
22225         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
22226         prepare_scc_operands (now sh_emit_scc_to_t).
22227         (udivdi3): Use cstoresi4.
22228         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
22229         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
22230         (cbranchint4_media, cbranchfp4_media): New.
22231         (casesi): Use cbranchdi4.
22232         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
22233         Delete.
22234         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
22235         (movnegt): Remove second operand.
22236         (cbranchsf4, cbranchdf4): New.
22237         (stack_protect): Use cbranchdi4/cbranchsi4.
22238
22239         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
22240         (gen_compare_reg): Accept comparison, extract part of it to...
22241         (gen_compare_reg_1): ... this.
22242         (gen_compare_operator): Delete.
22243         (gen_v9_scc): Accept separate destination, comparison code and arms.
22244         Do not use sparc_compare_op0/sparc_compare_op1.
22245         (emit_scc_insn, emit_conditional_branch_insn): New.
22246         (emit_v9_brxx): Make static.  Remove useless assertion.
22247         (sparc_emit_float_lib_cmp): Return RTL instead of calling
22248         emit_cmp_insn.
22249         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
22250         * config/sparc/sparc-protos.h (gen_compare_reg,
22251         sparc_emit_float_lib_cmp): Adjust prototype.
22252         (emit_scc_insn, emit_conditional_branch_insn): New.
22253         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
22254         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
22255         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
22256         iterators to the top.
22257         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
22258         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
22259         snedi_special_trunc): Delete.
22260         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
22261         and snedi_special_trunc.
22262         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
22263         cbranchdi4, cbranch<F:mode>4): New.
22264         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
22265         here.  Use gen_compare_reg instead of gen_compare_operator.
22266         (conditional_trap): Replace with...
22267         (ctrapsi4, ctrapdi4): ... this.
22268         (stack_protect_test): Use cbranchcc4.
22269
22270         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
22271         argument to rtx.
22272         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
22273         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
22274         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
22275         from operands[0] or operands[3] depending on is_set.
22276         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
22277         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
22278         cmpdf, bCC), sCC: Remove.
22279         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
22280         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
22281         cstoredf4): New.
22282         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
22283         spu_emit_branch_or_set.
22284
22285         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
22286         Add two arguments.
22287         * config/stormy16/stormy16.h (xstormy16_compare_op0,
22288         xstormy16_compare_op1): Delete.
22289         * config/stormy16/stormy16.c (xstormy16_compare_op0,
22290         xstormy16_compare_op1): Delete.
22291         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
22292         Adjust calls.
22293         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
22294         (cmphi, cmpsi, bCC): Remove.
22295
22296         * config/v850/v850.md (tstsi, cmpsi): Fold into...
22297         (*cmpsi): ... this one.
22298         (cbranchsi4, cstoresi4): New.
22299         (bCC expanders): Delete.
22300         (sCC insns): Fold into...
22301         (*setcc): ... this one.
22302         (casesi): Do not use gen_cmpsi and gen_bgtu.
22303         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
22304         (movsicc): Simplify.
22305         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
22306
22307         * config/vax/vax-protos.h (cond_name): New.
22308         (vax_output_conditional_branch): Remove.
22309         * config/vax/vax.c (cond_name): New.
22310         (vax_output_conditional_branch): Remove.
22311         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
22312         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
22313         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
22314         (bit<VAXint>): Wrap source with (compare).
22315         (b<code> and following unnamed pattern): Rename to *branch and
22316         *branch_reversed.  Change macroization to match_operator.
22317         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
22318
22319         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
22320         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
22321         Change last argument to machine_mode.
22322         (xtensa_expand_scc): Add machine_mode argument.
22323         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
22324         (gen_conditional_move, xtensa_expand_conditional_branch,
22325         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
22326         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
22327         Adjust operand numbers.
22328         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
22329         Delete.
22330         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
22331         (cmpsi, cmpsf, b<code>, s<code>): Delete.
22332         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
22333
22334 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
22335
22336         * optabs.c (prepare_cmp_insn): Temporarily disable test that
22337         causes spurious differences between trunk and cond-optab branch.
22338
22339 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
22340
22341         PR target/37137
22342         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
22343
22344 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
22345
22346         * tree.c (iterative_hash_pointer): Delete.
22347         (iterative_hash_expr): Short-circuit handling of NULL pointer.
22348         Hash UIDs and versions of SSA names.  Don't special-case built-in
22349         function declarations.
22350
22351 2009-05-11  Ian Lance Taylor  <iant@google.com>
22352
22353         PR bootstrap/40103
22354         * graphite.c: Force -Wc++-compat to only be a warning before
22355         #including "cloog/cloog.h".
22356
22357 2009-05-11  Martin Jambor  <mjambor@suse.cz>
22358
22359         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
22360
22361 2009-05-11  Jan Hubicka  <jh@suse.cz>
22362
22363         * tree-ssa-loop-ivcanon.c: Include target.h
22364         (struct loop_size): new structure.
22365         (constant_after_peeling): New predicate.
22366         (tree_estimate_loop_size): New function.
22367         (estimated_unrolled_size): Rewrite for new estimates.
22368         (try_unroll_loop_completely): Use new estimates.
22369         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
22370
22371 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22372
22373         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
22374         libcpp interface change.
22375         (spu_macro_to_expand): Likewise.
22376
22377 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
22378
22379         PR tree-optimization/40026
22380         * gimplify.c (gimplify_init_constructor): Change initial conditional
22381         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
22382         optimize_compound_literals_in_ctor.
22383
22384 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
22385
22386         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
22387         New devices.
22388         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
22389
22390 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
22391
22392         * tree-vect-data-refs.c (vect_analyze_group_access): Use
22393         HOST_WIDE_INT for gap.
22394
22395 2009-05-11  Ira Rosen  <irar@il.ibm.com>
22396
22397         PR tree-optimization/40074
22398         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
22399         account in group size and step comparison.
22400
22401 2009-05-11  Richard Guenther  <rguenther@suse.de>
22402
22403         * passes.c (init_optimization_passes): Strip now incorrect comment.
22404         (execute_function_todo): Do not set PROP_alias.
22405         * tree-pass.h (PROP_alias): Remove.
22406         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
22407         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
22408         * tree-nrv.c (pass_return_slot): Likewise.
22409         * tree-object-size.c (pass_object_sizes): Likewise.
22410         * tree-ssa-dom.c (pass_dominator): Likewise.
22411         (pass_phi_only_cprop): Likewise.
22412         * tree-ssa-dse.c (pass_dse): Likewise.
22413         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
22414         (pass_cselim): Likewise.
22415         * tree-ssa-pre.c (pass_pre): Likewise.
22416         (pass_fre): Likewise.
22417         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
22418         * tree-ssa-sink.c (pass_sink_code): Likewise.
22419         * tree-stdarg.c (pass_stdarg): Likewise.
22420         * tree-tailcall.c (pass_tail_calls): Likewise.
22421         * tree-vrp.c (pass_vrp): Likewise.
22422
22423 2009-05-10  Ian Lance Taylor  <iant@google.com>
22424
22425         * basic-block.h (enum profile_status): Break out of struct
22426         control_flow_graph.
22427         * cgraph.h (struct inline_summary): Break out of struct
22428         cgraph_local_info.
22429         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
22430         of struct cgraph_order_sort.
22431         * combine.c (enum undo_kind): New enum, broken out of struct undo.
22432         * cse.c (struct branch_path): Break out of struct
22433         cse_basic_block_data.
22434         * except.h (enum eh_region_type): Break out of struct eh_region.
22435         * gcc.c (enum add_del): Break out of struct modify_target.
22436         * genrecog.c (enum decision_type): Break out of struct decision_test.
22437         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
22438         ggc_pch_data.
22439         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
22440         * regmove.c (enum match_use): New enum, broken out of struct match.
22441         * sched-int.h (enum post_call_group): New enum, broken out of
22442         struct deps.
22443         (struct deps_reg): Break out of struct deps.
22444         * target.h (struct asm_int_op): Break out of struct gcc_target.
22445         * tree-eh.c (struct goto_queue_node): Break out of struct
22446         leh_tf_state.
22447         * tree-inline.h (enum copy_body_cge_which): Break out of
22448         copy_body_data.
22449         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
22450
22451         * c-decl.c (in_struct, struct_types): New static variables.
22452         (pushtag): Add loc parameter.  Change all callers.
22453         (lookup_tag): Add ploc parameter.  Change all callers.
22454         (check_compound_literal_type): New function.
22455         (parser_xref_tag): Add loc parameter.  Change all callers.  If
22456         -Wc++-compat, warn about struct/union/enum types defined within a
22457         struct or union.
22458         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
22459         and loc parameters.  Change all callers.  Change error calls to
22460         error_at, using loc.  For a redefinition, if the location of the
22461         original definition is known, report it.  Set in_struct and
22462         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
22463         (finish_struct): Add new parameters enclosing_in_struct and
22464         enclosing_struct_types.  Change all callers.  Set
22465         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
22466         in the struct.  If in a struct, add this struct to struct_types.
22467         (start_enum): Add loc parameter.  Change all callers.  Use
22468         error_at for errors, using loc.  For a redefinition, if the
22469         location of the original definition is known, report it.  If in a
22470         struct, add this enum type to struct_types.  If -Wc++-compat warn
22471         if in sizeof, typeof, or alignof.
22472         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
22473         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
22474         (c_parser_enum_specifier): Get enum location for start_enum.
22475         (c_parser_struct_or_union_specifier): Get struct location for
22476         start_struct.  Save in_struct and struct_types status between
22477         start_struct and finish_struct.
22478         (c_parser_cast_expression): Get location of cast.
22479         (c_parser_alignof_expression): Get location of type.
22480         (c_parser_postfix_expression): Likewise.
22481         (c_parser_postfix_expression_after_paren_type): Add type_loc
22482         parameter.  Change all callers.  Call check_compound_literal_type.
22483         Use type_loc for error about variable size type.
22484         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
22485         of an enum constant from an enum type defined in a struct or union.
22486         (c_cast_expr): Add loc parameter.  Change all callers.  If
22487         -Wc++-compat, warn about defining a type in a cast.
22488         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
22489         (start_enum, start_struct, finish_struct): Update declarations.
22490         (parser_xref_tag, c_cast_expr): Update declarations.
22491         (check_compound_literal_type): Declare.
22492
22493 2009-05-11  Ben Elliston  <bje@au.ibm.com>
22494
22495         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
22496         for recent libcpp interface change.
22497         (rs6000_macro_to_expand): Likewise.
22498
22499 2009-05-10  Michael Matz  <matz@suse.de>
22500
22501         PR target/40031
22502         * config/arm/arm.c (require_pic_register): Emit on entry edge,
22503         not at entry of function.
22504
22505 2009-05-10  Richard Guenther  <rguenther@suse.de>
22506
22507         PR tree-optimization/40081
22508         Revert
22509         * tree-sra.c (instantiate_element): Instantiate scalar replacements
22510         using the main variant of the element type.  Do not fiddle with
22511         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
22512
22513         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
22514         structs with volatile fields.
22515
22516 2009-05-10  Jan Hubicka  <jh@suse.cz>
22517
22518         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
22519         (estimate_move_cost): Assert that it does not get called for
22520         VOID_TYPE_P.
22521         (estimate_num_insns): Skip VOID types in argument handling.
22522         (optimize_inline_calls): Delete unreachable blocks and verify that
22523         callgraph is valid.
22524
22525 2009-05-10  Jan Hubicka  <jh@suse.cz>
22526
22527         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
22528         * cgraph.c (cgraph_mark_address_taken_node): New function.
22529         (dump_cgraph_node): Dump new flag.
22530         * cgraph.h (struct cgraph_node): Add address_taken.
22531         (cgraph_mark_address_taken_node): New function.
22532         * ipa.c (cgraph_postorder): Prioritize functions with address taken
22533         since new direct calls can be born.
22534
22535 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
22536
22537         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
22538         tok->val.node.node.
22539
22540 2009-05-10  Jan Hubicka  <jh@suse.cz>
22541
22542         PR middle-end/40084
22543         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
22544         argument; rewrite.
22545         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
22546         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
22547         * tree-inline.c (copy_bb): Set frequency correctly.
22548         (fold_marked_statements): Update call to
22549         cgraph_update_edges_for_call_stmt.
22550
22551 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
22552
22553         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
22554         identifiers in diagnostics.
22555         * config/arm/arm.c (arm_handle_fndecl_attribute,
22556         arm_handle_isr_attribute): Likewise.
22557         * config/avr/avr.c (avr_handle_progmem_attribute,
22558         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
22559         * config/bfin/bfin.c (handle_int_attribute,
22560         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
22561         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
22562         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
22563         Likewise.
22564         * config/darwin.c (darwin_handle_kext_attribute,
22565         darwin_handle_weak_import_attribute): Likewise.
22566         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
22567         h8300_handle_eightbit_data_attribute,
22568         h8300_handle_tiny_data_attribute): Likewise.
22569         * config/i386/i386.c (ix86_handle_cconv_attribute,
22570         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
22571         * config/i386/winnt.c (ix86_handle_shared_attribute,
22572         ix86_handle_selectany_attribute): Likewise.
22573         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
22574         * config/m32c/m32c.c (function_vector_handler): Likewise.
22575         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
22576         m68hc11_handle_fntype_attribute): Likewise.
22577         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
22578         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
22579         * config/mips/mips.c (mips_insert_attributes,
22580         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
22581         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
22582         rs6000_handle_struct_attribute): Likewise.
22583         * config/sh/sh.c (sh_insert_attributes,
22584         sh_handle_resbank_handler_attribute,
22585         sh_handle_interrupt_handler_attribute,
22586         sh2a_handle_function_vector_handler_attribute,
22587         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
22588         Likewise.
22589         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
22590         * config/spu/spu.c (spu_handle_fndecl_attribute,
22591         spu_handle_vector_attribute): Likewise.
22592         * config/stormy16/stormy16.c
22593         (xstormy16_handle_interrupt_attribute): Likewise.
22594         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
22595         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
22596
22597 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
22598
22599         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
22600         (pp_translate_identifiers): New.
22601         (pp_identifier): Only conditionally translate identifier to locale
22602         character set.
22603         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
22604         (pp_base_tree_identifier): Only conditionally translate identifier
22605         to locale character set.
22606         * c-pretty-print.c (M_): Define.
22607         (pp_c_type_specifier, pp_c_primary_expression): Mark English
22608         fragments for conditional translation with M_.
22609         * tree-pretty-print.c (maybe_init_pretty_print): Disable
22610         identifier translation.
22611
22612 2009-05-10  Richard Guenther  <rguenther@suse.de>
22613
22614         PR tree-optimization/40081
22615         * tree-sra.c (instantiate_element): Instantiate scalar replacements
22616         using the main variant of the element type.  Do not fiddle with
22617         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
22618
22619 2009-05-09  Jan Hubicka  <jh@suse.cz>
22620
22621         PR middle-end/40080
22622         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
22623         indirect calls; verify cgraph afterwards.
22624
22625 2009-05-09  Jan Hubicka  <jh@suse.cz>
22626
22627         PR bootstrap/40082
22628         * ipa.c (update_inlined_to_pointer): New function.
22629         (cgraph_remove_unreachable_nodes): Use it.
22630
22631 2009-05-09  Jan Hubicka  <jh@suse.cz>
22632
22633         * tree-eh.c (struct leh_state): Remove prev_try.
22634         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
22635         not track prev_try.
22636         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
22637         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
22638         remove_eh_handler_and_replace, foreach_reachable_handler,
22639         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
22640         * except.h (struct eh_region): Remove eh_region_u_cleanup.
22641         (gen_eh_region_cleanup): Update prototype.
22642
22643 2009-05-09  Jan Hubicka  <jh@suse.cz>
22644
22645         PR middle-end/40043
22646         * except.c (copy_eh_region): Always set prev_try.
22647         (redirect_eh_edge_to_label): Find outer try.
22648         (foreach_reachable_handler): When looking for prev try
22649         handle case where previous try is not going to be taken.
22650
22651 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
22652
22653         PR tree-optimization/40049
22654         * tree-vect-stmts.c (vectorizable_operation): If the machine has
22655         only vector/vector shifts, convert the type of the constant to the
22656         appropriate type to avoid building incorrect trees, which
22657         eventually have problems with garbage collection.
22658
22659 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
22660
22661         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
22662         -1 for complex floating-point types if honoring signed zeros.
22663
22664 2009-05-08  Jan Hubicka  <jh@suse.cz>
22665
22666         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
22667         argument; handle correctly when profile is absent.
22668         (build_cgraph_edges): Update.
22669         (rebuild_cgraph_edges): Update.
22670         * cgraph.c: Do not include varray.h.
22671         (cgraph_set_call_stmt_including_clones): New function.
22672         (cgraph_create_edge_including_clones): Likewise
22673         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
22674         (cgraph_update_edges_for_call_stmt): Handle clones.
22675         (cgraph_remove_node): Handle clone tree.
22676         (cgraph_remove_node_and_inline_clones): New function.
22677         (dump_cgraph_node): Dump clone tree.
22678         (cgraph_clone_node): Handle clone tree.
22679         (clone_function_name): Bring here from tree-inline.c.
22680         (cgraph_create_virtual_clone): New function.
22681         * cgraph.h (ipa_replace_map): Move here from ipa.h.
22682         (cgraph_clone_info): New function.
22683         (strut cgraph_node): Add clone_info and new clone tree pointers.
22684         (cgraph_remove_node_and_inline_clones,
22685         cgraph_set_call_stmt_including_clones,
22686         cgraph_create_edge_including_clones,
22687         cgraph_create_virtual_clone): Declare.
22688         (cgraph_function_versioning): Use VEC argument.
22689         (compute_call_stmt_bb_frequency): Update prototype.
22690         (cgraph_materialize_all_clones): New function.
22691         * ipa-cp.c (ipcp_update_cloned_node): Remove.
22692         (ipcp_create_replace_map): Update to VECtors.
22693         (ipcp_update_callgraph): Use virtual clones.
22694         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
22695         (ipcp_update_profiling): Do not update local profiling.
22696         (ipcp_insert_stage): Use VECtors and virtual clones.
22697         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
22698         (clone_of_p): New function.
22699         (cgraph_preserve_function_body_p): Use clone tree.
22700         (cgraph_optimize): Materialize clones.
22701         (cgraph_function_versioning): Update for VECtors.
22702         (save_inline_function_body): Use clone tree.
22703         (cgraph_materialize_clone): New function.
22704         (cgraph_materialize_all_clones): Likewise.
22705         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
22706         * ipa.c: Include gimple.h.
22707         (cgraph_remove_unreachable_nodes): Use clone tree.
22708         * ipa-prop.c (ipa_note_param_call): Update call to
22709         compute_call_stmt_bb_frequencycall.
22710         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
22711         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
22712         (copy_bb): Handle updating of clone tree; add new edge when new call
22713         appears.
22714         (expand_call_inline): Be strict about every call having edge.
22715         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
22716         (delete_unreachable_blocks_update_callgraph): New function.
22717         (tree_function_versioning): Use VECtors; always remove unreachable
22718         blocks and fold conditionals.
22719         * tree-inline.h: Do not include varray.h.
22720         (tree_function_versioning): Remove.
22721         * Makefile.in (GTFILES): Remove tree-inline.c
22722         * passes.c (do_per_function): Do only functions having body.
22723         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
22724         tree.
22725
22726 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
22727             Andrew Morrow  <acm@google.com>
22728
22729         PR c/36892
22730         * c-common.c (c_common_attribute_table): Permit deprecated
22731         attribute to take an optional argument.
22732         (handle_deprecated_attribute): If the optional argument to
22733         __attribute__((deprecated)) is not a string ignore the attribute
22734         and emit a warning.
22735
22736         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
22737         * c-typeck.c (build_component_ref): Likewise.
22738         (build_external_ref): Likewise.
22739
22740         * toplev.c (warn_deprecated_use): Add an attribute argument.
22741         Emit the message associated with __attribute__((deprecated)).
22742
22743         * toplev.h (warn_deprecated_use): Updated.
22744
22745         * doc/extend.texi: Document new optional parameter to
22746         __attribute__((deprecated))
22747
22748 2009-05-08  Michael Eager <eager@eagercon.com>
22749
22750         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
22751         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
22752
22753 2009-05-08  Richard Guenther  <rguenther@suse.de>
22754
22755         PR tree-optimization/40062
22756         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
22757         Avoid exponential behavior.
22758
22759 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
22760
22761         PR rtl-optimization/33928
22762         PR 26854
22763         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
22764         process_uses, build_single_def_use_links): New.
22765         (update_df): Update use_def_ref.
22766         (forward_propagate_into): Use get_def_for_use instead of use-def
22767         chains.
22768         (fwprop_init): Call build_single_def_use_links and let it initialize
22769         dataflow.
22770         (fwprop_done): Free use_def_ref.
22771         (fwprop_addr): Eliminate duplicate call to df_set_flags.
22772         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
22773         df_rd_simulate_one_insn): New.
22774         (df_rd_bb_local_compute_process_def): Update head comment.
22775         (df_chain_create_bb): Use the new RD simulation functions.
22776         * df.h (df_rd_simulate_artificial_defs_at_top,
22777         df_rd_simulate_one_insn): New.
22778         * opts.c (decode_options): Enable fwprop at -O1.
22779         * doc/invoke.texi (-fforward-propagate): Document this.
22780
22781 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
22782
22783         PR c/24581
22784         * c-typeck.c (build_binary_op): Handle arithmetic between one real
22785         and one complex operand specially.
22786         * tree-complex.c (some_nonzerop): Do not identify a real value as
22787         zero if flag_signed_zeros.
22788
22789 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
22790
22791         PR rtl-optimization/33928
22792         * loop-invariant.c (record_use): Fix && vs. || mishap.
22793
22794 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
22795
22796         PR rtl-optimization/33928
22797         * loop-invariant.c (struct use): Add addr_use_p.
22798         (struct def): Add n_addr_uses.
22799         (struct invariant): Add cheap_address.
22800         (create_new_invariant): Set cheap_address.
22801         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
22802         (record_uses): Pass df_ref to record_use.
22803         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
22804         used only as such.
22805
22806 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
22807
22808         * config/sh/sh.c: Do not include c-pragma.h.
22809
22810 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22811
22812         * config/spu/spu.c: Remove include of c-common.h.
22813
22814 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
22815
22816         PR c/39037
22817         * c-common.h (mark_valid_location_for_stdc_pragma,
22818         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
22819         clear_float_const_decimal64, float_const_decimal64_p): New.
22820         * c.opt (Wunsuffixed-float-constants): New.
22821         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
22822         unsuffixed float constant, handle new warning.
22823         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
22824         * c-decl.c (c_scope): New flag float_const_decimal64.
22825         (set_float_const_decimal64, clear_float_const_decimal64,
22826         float_const_decimal64_p): New.
22827         (push_scope): Set new flag.
22828         * c-parser.c (c_parser_translation_unit): Mark when it's valid
22829         to use STDC pragmas.
22830         (c_parser_external_declaration): Ditto.
22831         (c_parser_compound_statement_nostart): Ditto.
22832         * c-pragma.c (valid_location_for_stdc_pragma,
22833         mark_valid_location_for_stdc_pragma,
22834         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
22835         handle_pragma_float_const_decimal64): New.
22836         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
22837         * cp/semantics.c (valid_location_for_stdc_pragma_p,
22838         set_float_const_decimal64, clear_float_const_decimal64,
22839         float_const_decimal64_p): New dummy functions.
22840         * doc/extend.texi (Decimal Float): Remove statement that the
22841         pragma, and suffix for double constants, are not supported.
22842         * doc/invoke.texi (Warning Options): List new option.
22843         (-Wunsuffixed-float-constants): New.
22844
22845 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
22846
22847         * config/i386/i386.c: Do not include c-common.h.
22848
22849 2009-05-07  Mark Heffernan  <meheff@google.com>
22850
22851         * doc/invoke.texi (Debugging Options): Document change of debugging
22852         dump location.
22853         * opts.c (decode_options): Make dump_base_name relative to
22854         aux_base_name directory.
22855
22856 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
22857
22858         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
22859         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
22860
22861 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
22862
22863         * Makefile.in (install-plugin): Simplify a bit.
22864
22865 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
22866
22867         * Makefile.in (OBJS-common): Add regcprop.o.
22868         (regcprop.o): New.
22869         * timevar.def (TV_CPROP_REGISTERS): New.
22870         * regrename.c (regrename_optimize): Return 0.
22871         (rest_of_handle_regrename): Delete.
22872         (pass_rename_registers): Point to regrename_optimize.
22873         (struct value_data_entry, struct value_data,
22874         kill_value_one_regno, kill_value_regno, kill_value,
22875         set_value_regno, init_value_data, kill_clobbered_value,
22876         kill_set_value, kill_autoinc_value, copy_value,
22877         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
22878         replace_oldest_value_reg, replace_oldest_value_addr,
22879         replace_oldest_value_mem, copyprop_hardreg_forward_1,
22880         debug_value_data, validate_value_data): Move...
22881         * regcprop.c: ... here.
22882         (rest_of_handle_cprop): Delete.
22883         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
22884
22885 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
22886
22887         PR middle-end/40057
22888         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
22889         GEN_INT for 1 << bitnum.
22890         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
22891         build_int_cst_type.
22892
22893 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
22894
22895         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
22896         Remove wrong description of "nand" operation.
22897
22898 2009-05-06  Richard Guenther  <rguenther@suse.de>
22899             Adam Nemet  <anemet@caviumnetworks.com>
22900
22901         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
22902         comment.  Add that if LHS is not a gimple register, then RHS1 has
22903         to be a single object (GIMPLE_SINGLE_RHS).
22904
22905 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
22906
22907         * expr.c (get_def_for_expr): Move it up in the file.
22908         (store_field): When expanding a bit-field store, look at the
22909         defining gimple stmt for the masking conversion.
22910
22911 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
22912
22913         PR middle-end/39986
22914         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
22915         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
22916         32-bit memcpy into long.
22917
22918 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
22919
22920         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
22921         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
22922         new_reg_loc_descr.
22923         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
22924         instead of appending DW_OP_deref*.
22925
22926 2009-05-06  Michael Matz  <matz@suse.de>
22927
22928         PR middle-end/40021
22929         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
22930         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
22931
22932 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
22933
22934         * Makefile.in (install-plugin): Fix srcdir handling.
22935
22936 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
22937
22938         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
22939         when processing for not_regs_needed bitmap.
22940         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
22941         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
22942         handling it for rhs.
22943
22944 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
22945
22946         * config/i386/i386.md (unnamed inc/dec peephole): Use
22947         optimize_insn_for_size_p instead of optimize_size.
22948         * config/i386/predicates.md (incdec_operand): Likewise.
22949         (aligned_operand): Likewise.
22950         * config/i386/sse.md (divv8sf3): Likewise.
22951         (sqrtv8sf2): Likewise.
22952
22953 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
22954
22955         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
22956
22957         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
22958
22959 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
22960
22961         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
22962         ssemodesuffixf2c with avxmodesuffixf2c.
22963
22964 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
22965
22966         PR c/40032
22967         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
22968
22969 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
22970
22971         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
22972         (struct tree_base): Adjust spacing for 8 bit boundaries.
22973         (struct tree_decl_common): Add decl_by_reference_flag bit.
22974         (DECL_BY_REFERENCE): Adjust.
22975         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
22976         print DECL_BY_REFERENCE bit.
22977         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
22978         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
22979         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
22980         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
22981         unconditionally.
22982
22983         PR middle-end/39666
22984         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
22985         range of the type, but default label is missing, add it with one
22986         of the existing labels instead of adding a new label for it.
22987
22988 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
22989
22990         * dwarf.h: Remove.
22991
22992 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
22993
22994         * Makefile.in (enable_plugin, plugin_includedir): New.
22995         (install): Depend on install-plugin.
22996         (PLUGIN_HEADERS): New.
22997         (install-plugin): New.
22998         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
22999
23000 2009-05-05  Richard Guenther  <rguenther@suse.de>
23001
23002         PR tree-optimization/40022
23003         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
23004         the only vuse.
23005         (phivn_valid_p): Fix tuplification error, simplify.
23006         (phiprop_insert_phi): Add dumps.
23007         (propagate_with_phi): Simplify.
23008
23009 2009-05-05  Richard Guenther  <rguenther@suse.de>
23010
23011         PR middle-end/40023
23012         * builtins.c (gimplify_va_arg_expr): Properly build the address.
23013
23014 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
23015
23016         * tree.h (strip_float_extensions): Remove duplicate declaration.
23017         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
23018         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
23019         block_ultimate_origin): Rearrange the declarations line to match the
23020         comment that indicates the .c file which the functions are defined.
23021         (dwarf2out_*, set_decl_rtl): Add comment.
23022         (get_base_address): Adjust comment.
23023         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
23024         declarations line and add comment.
23025         (is_builtin_name): Add blank after function name, for clarity.
23026
23027 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
23028
23029         * attribs.c (decl_attributes): Use %qE for identifiers in
23030         diagnostics.
23031         * cgraphunit.c (verify_cgraph_node): Translate function names to
23032         locale character set in diagnostics.
23033         * coverage.c (get_coverage_counts): Use %qE for identifiers in
23034         diagnostics.
23035         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
23036         Document that functions are named in UTF-8.
23037         * expr.c (expand_expr_real_1): Translate function names to locale
23038         character set in diagnostics.
23039         * gimplify.c (omp_notice_variable, omp_is_private,
23040         gimplify_scan_omp_clauses): Use %qE for identifiers in
23041         diagnostics.
23042         * langhooks.c (lhd_print_error_function): Translate function names
23043         to locale character set.
23044         * langhooks.h (decl_printable_name): Document that return value is
23045         in internal character set.
23046         * stmt.c: Include pretty-print.h
23047         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
23048         diagnostics.
23049         (resolve_operand_name_1): Translate named operand name to locale
23050         character set.
23051         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
23052         diagnostics.
23053         * toplev.c (announce_function): Translate function names to locale
23054         character set.
23055         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
23056         (default_tree_printer): Use pp_identifier or translate identifiers
23057         to locale character set.  Mark "<anonymous>" for translation.
23058         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
23059         for identifiers in diagnostics.
23060         * tree.c (handle_dll_attribute): Use %qE for identifiers in
23061         diagnostics.
23062         * varasm.c (output_constructor): Use %qE for identifiers in
23063         diagnostics.
23064
23065 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
23066
23067         * configure.ac: use ` ` instead of $()
23068         * configure: Regenerate.
23069
23070 2009-05-05  Ben Elliston  <bje@au.ibm.com>
23071
23072         * config/pa/linux-atomic.c: Eliminate conditional include of
23073         errno.h on non-LP64 systems to simplify build requirements.
23074
23075 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
23076
23077         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
23078         diagnostics.
23079         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
23080         and pass value to identifier_to_locale.
23081         (warn_variable_length_array): Make name a tree.
23082         (grokdeclarator): Separate diagnostic texts for named and unnamed
23083         declarators.  Use %qE for named declarators.
23084         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
23085         diagnostics.
23086         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
23087         identifiers in diagnostics.
23088         * c-typeck.c (push_member_name, start_init): Pass identifiers to
23089         identifier_to_locale.  Mark "anonymous" strings for translation.
23090
23091 2009-05-04  Michael Eager <eager@eagercon.com>
23092
23093         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
23094         address for DImode/DFmode only if double-precision FP regs.
23095
23096 2009-05-04  Michael Eager <eager@eagercon.com>
23097
23098         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
23099         TARGET_SINGLE_FLOAT check.
23100
23101 2009-05-04  Michael Eager <eager@eagercon.com>
23102
23103         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
23104
23105 2009-05-04  Michael Eager <eager@eagercon.com>
23106
23107         * gcc/config.gcc (powerpc-xilinx-eabi*): Add tm t-xilinx
23108         * config/rs6000/t-xilinx: New
23109
23110 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
23111
23112         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
23113         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
23114         * gcc/explow.c (memory_address): Use target hook.
23115         * gcc/targhooks.c (default_legitimize_address): New.
23116         * gcc/targhooks.h (default_legitimize_address): New.
23117         * gcc/target.h (legitimize_address): New.
23118         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
23119         (TARGET_INITIALIZER): Include it.
23120         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
23121
23122         * config/bfin/bfin-protos.h (legitimize_address): Remove.
23123         * config/bfin/bfin.c (legitimize_address): Remove.
23124         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
23125         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
23126         Remove.
23127         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
23128         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
23129
23130         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
23131         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
23132         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
23133         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
23134         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
23135         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
23136         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
23137         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
23138         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
23139         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
23140         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
23141         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
23142         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
23143         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
23144         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
23145         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
23146         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
23147         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
23148         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
23149         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
23150         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
23151         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
23152         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
23153
23154         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
23155         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
23156         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
23157         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
23158         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
23159         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
23160         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
23161         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
23162         (thumb_legitimize_address): Delete.
23163         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
23164         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
23165         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
23166         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
23167         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
23168         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
23169         Delete.
23170         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
23171         Delete.
23172
23173         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
23174         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
23175         * config/m32r/m32r.c (m32r_legitimize_address): New.
23176         * config/m68k/m68k.c (m68k_legitimize_address): New.
23177         * config/score/score.c (score_legitimize_address): Standardize.
23178         * config/score/score3.c (score3_legitimize_address): Standardize.
23179         * config/score/score3.h (score3_legitimize_address): Adjust.
23180         * config/score/score7.c (score7_legitimize_address): Standardize.
23181         * config/score/score7.h (score7_legitimize_address): Adjust.
23182         * config/sh/sh.c (sh_legitimize_address): New.
23183         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
23184
23185         * gcc/config/s390/s390.c (legitimize_address): Rename to...
23186         (s390_legitimize_address): ... this.
23187         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
23188         (sparc_legitimize_address): ... this.
23189         * gcc/config/i386/i386.c (legitimize_address): Rename to...
23190         (ix86_legitimize_address): ... this.
23191         * gcc/config/avr/avr.c (legitimize_address): Rename to...
23192         (avr_legitimize_address): ... this.
23193         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
23194         (mn10300_legitimize_address): ... this.
23195         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
23196         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
23197         (alpha_expand_mov): Adjust call.
23198
23199         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
23200         * config/spu/spu.c (spu_legitimize_address): Likewise.
23201         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
23202         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
23203
23204 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
23205
23206         * intl.c (locale_encoding, locale_utf8): New.
23207         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
23208         * intl.h (locale_encoding, locale_utf8): Declare.
23209         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
23210         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
23211         New.
23212         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
23213         argument.
23214         (pp_tree_identifier): Define to call pp_base_tree_identifier.
23215         (pp_base_tree_identifier): Declare as function.
23216         (identifier_to_locale): Declare.
23217         * Makefile.in (pretty-print.o): Update dependencies.
23218         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
23219
23220 2009-05-04  Richard Guenther  <rguenther@suse.de>
23221
23222         PR middle-end/40015
23223         * builtins.c (fold_builtin_memory_op): Do not decay to element
23224         type if the size matches the whole array.
23225
23226 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
23227
23228         * expmed.c (synth_mult): When trying out a shift, pass the result
23229         of a signed shift.
23230
23231 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
23232
23233         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
23234         (shiftsub1_cost): New.
23235         (init_expmed): Compute shiftsub1_cost.
23236         (synth_mult): Optimize multiplications by constants of the form
23237         -(2^^m-1) for some constant positive integer m.
23238
23239 2009-05-03  Richard Guenther  <rguenther@suse.de>
23240
23241         PR c/39983
23242         * c-typeck.c (array_to_pointer_conversion): Do not built
23243         ADDR_EXPRs of arrays of pointer-to-element type.
23244         * c-gimplify.c (c_gimplify_expr): Revert change fixing
23245         up wrong ADDR_EXPRs after-the-fact.
23246         * c-common.c (strict_aliasing_warning): Strip pointer
23247         conversions for obtaining the original type.
23248         * builtins.c (fold_builtin_memset): Handle array types.
23249         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
23250         and array types
23251
23252 2009-05-03  Richard Guenther  <rguenther@suse.de>
23253
23254         PR middle-end/23329
23255         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
23256         Do not lose casts from array types with unknown extent to array
23257         types with known extent.
23258         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
23259         alias set compatibility.
23260
23261 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23262
23263         * flags.h (extra_warnings): Delete.
23264         * toplev.c (process_options): Handle Wuninitialized here.
23265         * opts.c (extra_warnings): Delete.
23266         (set_Wextra): Delete.
23267         (common_handle_option): -Wextra can be handled automatically.
23268         * c-opts.c (c_common_handle_option): Delete obsolete code.
23269         (c_common_post_options): Simplify comment.
23270         * common.opt (W): Add Var.
23271         (Wextra): Add Var.
23272         (Wuninitialized): Initialize to -1.
23273
23274 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
23275             Richard Guenther  <rguenther@suse.de>
23276
23277         * expr.c (get_def_for_expr): New function.
23278         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
23279         SSA rather than trees.
23280         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
23281         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
23282
23283 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
23284
23285         * c-common.c (reswords): Add _Imaginary.
23286         * c-common.c (enum rid): Add RID_IMAGINARY.
23287
23288 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
23289
23290         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
23291         Patch by Richard Guenther.
23292
23293 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
23294
23295         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
23296         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
23297         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
23298         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
23299         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
23300         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
23301         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
23302         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
23303         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
23304         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
23305         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
23306         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
23307         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
23308         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
23309         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
23310         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
23311         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
23312         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
23313
23314 2009-05-02  Richard Guenther  <rguenther@suse.de>
23315
23316         PR tree-optimization/39940
23317         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
23318         doing so.
23319
23320 2009-05-02  Richard Guenther  <rguenther@suse.de>
23321
23322         PR middle-end/40001
23323         * tree-ssa.c (execute_update_addresses_taken): Properly check
23324         if we can mark a variable DECL_GIMPLE_REG_P.
23325         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
23326         back to the end of the function.
23327         (is_gimple_reg_type): Remove complex type special casing.
23328         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
23329         if not optimizing.
23330
23331 2009-05-02  Ben Elliston  <bje@au.ibm.com>
23332
23333         * doc/collect2.texi (Collect2): Document search path behaviour
23334         when configured with --with-ld.
23335
23336 2009-05-02  Jan Hubicka  <jh@suse.cz>
23337
23338         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
23339         parameter; update callers.
23340         (coalesce_cost_edge): EH edges are costier because they needs
23341         splitting even if not critical and even more costier when there are
23342         multiple EH predecestors.
23343
23344 2009-05-02  Jan Hubicka  <jh@suse.cz>
23345
23346         * except.c (remove_eh_handler_and_replace): Handle updating after
23347         removing TRY blocks.
23348
23349 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
23350
23351         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
23352
23353 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
23354
23355         * varasm.c: Do not include c-pragma.h.
23356         * attribs.c: Do not incude c-common.h.
23357
23358 2009-05-01  Michael Matz  <matz@suse.de>
23359
23360         * calls.c (initialize_argument_information): Handle SSA names like
23361         decls with a non MEM_P DECL_RTL.
23362
23363 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
23364
23365         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
23366         * ipa-utils.c: Likewise.
23367         * ipa-type-escape.c: Likewise.
23368         * cgraphunit.c Do not include c-common.h.
23369         * ipa-pure-const.c: Likewise.
23370         * tree-if-conv.c: Likewise.
23371         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
23372         * ipa-struct-reorg.c: Likewise.
23373         * tree-nomudflap.c: Likewise.
23374         * tree-ssa-structalias.c: Likewise.
23375
23376 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
23377
23378         * store-motion.c: Many cleanups to make this pass a first-class
23379         citizen instead of an appendix to gcse load motion.  Add TODO list
23380         to make this pass faster/cleaner/better.
23381
23382         (struct ls_expr): Post gcse.c-split cleanups.
23383         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
23384         "stores" field to "avail_stores".
23385         (pre_ldst_mems): Rename to store_motion_mems.
23386         (pre_ldst_table): Rename to store_motion_mems_table.
23387         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
23388         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
23389         (ldst_entry): Rename to st_expr_entry, update users.
23390         (free_ldst_entry): Rename to free_st_expr_entry, update users.
23391         (free_ldst_mems): Rename to free_store_motion_mems, update users.
23392         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
23393         update caller.
23394         (first_ls_expr): Rename to first_st_expr, update users.
23395         (next_ls_expr): Rename to next_st_expr, update users.
23396         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
23397         fields properly for store motion instead of names inherited from load
23398         motion in gcse.c.
23399         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
23400         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
23401         are done with it.
23402
23403         (ae_kill): Rename to st_kill, update users.
23404         (ae_gen): Rename to st_avloc, update users.
23405         (transp): Rename to st_transp, update users.
23406         (pre_insert_map): Rename to st_insert_map, update users.
23407         (pre_delete_map): Rename to st_delete_map, update users.
23408         (insert_store, build_store_vectors, free_store_memory,
23409         one_store_motion_pass): Update for abovementioned changes.
23410
23411         (gcse_subst_count, gcse_create_count): Remove.
23412         (one_store_motion_pass): New statistics counters "n_stores_deleted"
23413         and "n_stores_created", local variables.
23414
23415         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
23416         use for_each_rtx.
23417
23418         (regvec, compute_store_table_current_insn): Remove.
23419         (reg_set_info, reg_clear_last_set): Remove.
23420         (compute_store_table): Use DF caches instead of local dataflow
23421         solvers.
23422
23423 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
23424
23425         * c-objc-common.c (c_tree_printer): Print identifiers with
23426         pp_identifier, not pp_string.  Mark "({anonymous})" for
23427         translation.
23428         * c-pretty-print.c (pp_c_ws_string): New.
23429         (pp_c_cv_qualifier, pp_c_type_specifier,
23430         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
23431         pp_c_storage_class_specifier, pp_c_function_specifier,
23432         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
23433         pp_c_primary_expression, pp_c_postfix_expression,
23434         pp_c_unary_expression, pp_c_shift_expression,
23435         pp_c_relational_expression, pp_c_equality_expression,
23436         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
23437         use pp_string and pp_c_ws_string in place of pp_identifier and
23438         pp_c_identifier for non-identifiers.  Mark English strings for
23439         translation.
23440         * c-pretty-print.h (pp_c_ws_string): Declare.
23441
23442 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
23443             Roland McGrath <roland@redhat.com>
23444
23445         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
23446         (ENABLE_LD_BUILDID): New configuration option.
23447         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
23448         (LINK_BUILDID_SPEC): New macro.
23449         (init_spec): If defined, prepend it between LINK_EH_SPEC and
23450         link_spec.
23451         * doc/install.texi: Document --enable-linker-build-id option.
23452         * configure: Rebuild.
23453         * config.in: Rebuild.
23454
23455 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
23456
23457         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
23458         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
23459         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
23460         MIPS_GP_SAVE_AREA_SIZE.
23461         * config/mips/mips.c (struct mips_frame_info): Update comment
23462         before arg_pointer_offset and hard_frame_pointer_offset.
23463         (mips_compute_frame_info): Update diagram before function: to
23464         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
23465         indicate the position of frame_pointer_rtx with -fstack-protector and
23466         to show args_size.  Don't allocate cprestore area for leaf functions
23467         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
23468         cprestore_size.
23469         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
23470
23471 2009-04-30  Michael Matz  <matz@suse.de>
23472
23473         PR tree-optimization/39955
23474         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
23475
23476 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
23477
23478         * ira.c (setup_cover_and_important_classes):  Use safe macro
23479         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
23480         directly.
23481         * genpreds.c (write_tm_preds_h):  Output suitable definition of
23482         REG_CLASS_FOR_CONSTRAINT.
23483
23484 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
23485
23486         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
23487         instead of an int.
23488         * bitmap.c (bitmap_descriptor): Likewise.
23489         * ggc-common.c (loc_descriptor): Likewise.
23490         * varray.c (varray_descriptor): Likewise.
23491         * vec.c (vec_descriptor): Likewise.
23492
23493 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
23494
23495         * Makefile.in (dce.o): Add $(EXCEPT_H).
23496         * dce.c: Include except.h and delete redundant vector definitions.
23497         (deletable_insn_p): Return false for non-call insns that can throw
23498         if DF is running.
23499
23500 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
23501
23502         * gcse.c (ae_gen): Remove.
23503         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
23504         and make non-static function to make it available in store-motion.c.
23505         Update call sites with search-and-replace.
23506         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
23507         extract_mentioned_regs, extract_mentioned_regs_helper,
23508         find_moveable_store, compute_store_table, load_kills_store, find_loads,
23509         store_killed_in_insn, store_killed_after, store_killed_before,
23510         build_store_vectors, insert_insn_start_basic_block, insert-store,
23511         remove_reachable_equiv_notes, replace_store_insn, delete_store,
23512         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
23513         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
23514         * store-motion.c: ...new file.  Also copy data structures from gcse.c
23515         and clean up to remove parts not used by store motion.
23516         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
23517         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
23518
23519 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
23520
23521         PR target/38571
23522         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
23523         when optimizing for size.
23524
23525 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
23526
23527         * gcse.c (gcse_constant_p): Fix typo in last change.
23528
23529 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
23530
23531         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
23532
23533 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
23534
23535         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
23536
23537 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
23538
23539         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
23540         CONST_HIGH_PART result.
23541
23542 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
23543
23544         * config/avr/avr.c (initial_elimination_offset): Rename to
23545         avr_initial_elimination_offset.
23546         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
23547         change return type to bool.
23548         (avr_can_eliminate): New function.
23549         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
23550         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
23551         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
23552         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
23553         avr_initial_elimination_offset.
23554         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
23555         (avr_initial_elimination_offset): Define.
23556
23557 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
23558             Steven Bosscher  <steven@gcc.gnu.org>
23559
23560         PR rtl-optimization/39938
23561         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
23562         * cfgrtl.c: Include insn-attr.h.
23563         (rest_of_pass_free_cfg): New function.
23564         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
23565         * resource.c (init_resource_info): Remove call to df_analyze.
23566
23567 2009-04-29  Richard Guenther  <rguenther@suse.de>
23568
23569         PR target/39943
23570         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
23571         allow conversion to signed integers.
23572
23573 2009-04-29  Richard Guenther  <rguenther@suse.de>
23574
23575         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
23576         shifts of floating point vectors if the shift amount is
23577         a constant multiple of the element size.
23578
23579 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
23580             Michael Matz  <matz@suse.de>
23581
23582         PR middle-end/39927
23583         PR bootstrap/39929
23584         * tree-outof-ssa.c (emit_partition_copy): New function.
23585         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
23586         insert_part_to_rtx_on_edge): Perform the partition base var
23587         copy using emit_partition_copy.
23588         (insert_value_copy_on_edge): Convert constants to the right mode.
23589         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
23590         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
23591
23592 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23593
23594         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
23595         scan backwards to try to find a constant to initialize it.
23596
23597         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
23598         insn before the loop_end instruction, don't look past labels.
23599
23600 2009-04-29  Richard Guenther  <rguenther@suse.de>
23601
23602         PR middle-end/39937
23603         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
23604         loose type conversions.
23605         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
23606         stmts only if there are no uses of its definition.
23607
23608 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23609
23610         * config/bfin/bfin.h (splitting_loops): Declare.
23611         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
23612         Reorder bit definitions to be ascending.
23613         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
23614         * config/bfin/bfin.c (splitting_loops): New variable.
23615         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
23616         (struct loop_info): Remove members INIT and LOOP_INIT.
23617         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
23618         the LSETUP sequence.  Allow LC to be loaded from any register, but
23619         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
23620         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
23621         set to 1.
23622         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
23623         of reload_completed.
23624
23625         From Jie Zhang:
23626         * config/bfin/bfin.md (movsi_insn): Refine constraints.
23627
23628 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
23629
23630         * Makefile.in (PLUGIN_VERSION_H): New.
23631         (OBJS-common): Remove plugin-version.o.
23632         (plugin.o): Depend on (PLUGIN_VERSION_H).
23633         (plugin-version.o): Remove.
23634         * configure: Regenerate
23635         * configure.ac: Create plugin-version.h.
23636         * gcc-plugin.h (plugin_gcc_version): Remove.
23637         (plugin_default_version_check): Change signature.
23638         * plugin-version.c: Remove.
23639         * plugin.c: Include plugin-version.h.
23640         (str_plugin_gcc_version_name): Remove.
23641         (try_init_one_plugin): Pass gcc version to plugin_init.
23642         (plugin_default_version_check): Both gcc and plugin versions are now
23643         arguments.
23644
23645 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23646
23647         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
23648         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
23649         Remove special case testing for last insn of inner loops. Don't fail
23650         if the loop ends with a jump, emit an extra nop instead.
23651
23652         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
23653         DREGS rather than comparing directly.  Remove code that tries to
23654         account for latencies.
23655
23656 2009-04-29  Richard Guenther  <rguenther@suse.de>
23657
23658         PR tree-optimization/39941
23659         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
23660         eliminating an indirect call.
23661
23662 2009-04-29  Richard Guenther  <rguenther@suse.de>
23663
23664         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
23665         parameter.  Allow invariants as base if !require_lvalue.
23666         (verify_gimple_assign_single): Adjust.
23667
23668 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
23669
23670         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
23671         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
23672         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
23673         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
23674         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
23675         a VEC_SELECT.
23676         * config/bfin/bfin.c (bfin_expand_builtin,
23677         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
23678
23679 2009-04-28  Richard Guenther  <rguenther@suse.de>
23680
23681         * tree-vect-loop.c (get_initial_def_for_induction): Use
23682         correct types for pointer increment.
23683
23684 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
23685
23686         * toplev.c (print_version): Update GMP version string calculation.
23687
23688 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
23689
23690         PR rtl-optimization/39938
23691         * resource.c (init_resource_info): Add call to df_analyze.
23692
23693 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23694
23695         * config/alpha/alpha.md (usegp): Cast the result of
23696         alpha_find_lo_sum_using_gp to enum attr_usegp.
23697         * config/alpha/alpha.c (override_options): Remove end-of-structure
23698         marker element from cpu_table.  Use array size of cpu_table to handle
23699         -mcpu and -mtune options.
23700         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
23701
23702 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
23703
23704         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
23705         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
23706         tune_32 and tune_64.
23707         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
23708         support on PowerPC.
23709         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
23710         * config/rs6000/option-defaults.h: ... here.  New file.
23711         (OPT_64, OPT_32): Define.
23712         (MASK_64BIT): Define to 0 if not already defined.
23713         (OPT_ARCH64, OPT_ARCH32): Define.
23714         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
23715         and tune_64.
23716
23717 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
23718
23719         * config/arm/arm.c (arm_override_options): Emit error on using
23720         fpa with AAPCS.
23721
23722 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23723
23724         PR rtl-optimization/39914
23725         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
23726         registers for allocnos created from user-defined variables only
23727         when not optimizing.
23728
23729 2009-04-28  Richard Guenther  <rguenther@suse.de>
23730
23731         PR middle-end/39937
23732         * fold-const.c (fold_binary): Use distribute_real_division only
23733         on float types.
23734
23735 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
23736
23737         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
23738         add hpux-stdint.h to tm_file.
23739         (hppa[12]*-*-hpux11*): Ditto.
23740         (ia64*-*-hpux*): Ditto.
23741         * config/hpux-stdint.h: New.
23742         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
23743         __STDC_EXT__ for all compiles.
23744         * config/pa/pa-hpux.h: Ditto.
23745         * config/pa/pa-hpux10.h: Ditto.
23746         * config/pa/pa-hpux11.h: Ditto.
23747
23748 2009-04-28  Catherine Moore  <clm@codesourcery.com>
23749
23750         * debug.h (set_name): Add comment.
23751
23752 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
23753
23754         PR target/39929
23755         * config/darwin.c (machopic_gen_offset): Check
23756         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
23757         * config/arm/arm.c (require_pic_register): Likewise.
23758
23759 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
23760
23761         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
23762         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
23763         m32c_promote_prototypes): Delete.
23764
23765 2009-04-28  Michael Matz  <matz@suse.de>
23766
23767         PR middle-end/39922
23768         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
23769         constants.
23770
23771 2009-04-28  Richard Guenther  <rguenther@suse.de>
23772
23773         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
23774
23775 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
23776
23777         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
23778         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
23779         * config/arm/arm-tune.md: Regenerate.
23780
23781 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
23782
23783         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
23784         block if there are complex incoming edges.
23785         (sel_merge_blocks): Remove useless assert.
23786         (sel_redirect_edge_and_branch): Check that edge was redirected.
23787         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
23788         (sel_find_rgns): Delete declaration.
23789         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
23790         the region when it is not a preheader.
23791
23792 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23793
23794         PR c/39323
23795         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
23796
23797 2009-04-28  Richard Guenther  <rguenther@suse.de>
23798
23799         * tree.h (SSA_NAME_VALUE): Remove.
23800         (struct tree_ssa_name): Remove value_handle member.
23801         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
23802         array for jump threading.
23803         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
23804         SSA_NAME_VALUEs.
23805         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
23806         * tree-flow.h (threadedge_initialize_values): Declare.
23807         (threadedge_finalize_values): Likewise.
23808         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
23809         (SSA_NAME_VALUE): Define.
23810         (threadedge_initialize_values): New function.
23811         (threadedge_finalize_values): Likewise.
23812         * tree-ssa-dom.c (ssa_name_values): New global variable.
23813         (SSA_NAME_VALUE): Define.
23814         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
23815
23816 2009-04-28  Ira Rosen  <irar@il.ibm.com>
23817
23818         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
23819         Use REPORT_VECTORIZED_LOCATIONS instead
23820         REPORT_VECTORIZED_LOOPS.
23821         * tree-vectorizer.c (vect_verbosity_level): Make static.
23822         (vect_loop_location): Rename to vect_location.
23823         (vect_set_verbosity_level): Update comment.
23824         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
23825         and vect_location.
23826         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
23827         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
23828         instead REPORT_UNVECTORIZED_LOOPS.
23829         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
23830         and vect_loop_def to vect_external_def and vect_internal_def.
23831         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
23832         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
23833         REPORT_UNVECTORIZED_LOCATIONS.
23834         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
23835         and vect_used_in_loop and to vect_unused_in_scope and
23836         vect_used_in_scope.
23837         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
23838         (vect_verbosity_level): Remove declaration.
23839         (vect_analyze_operations): Likewise.
23840         (vect_analyze_stmt): Declare.
23841         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
23842         REPORT_UNVECTORIZED_LOCATIONS.
23843         (vect_get_loop_niters): Fix indentation.
23844         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
23845         (vect_analyze_loop_operations): New function.
23846         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
23847         vect_analyze_operations.
23848         (vect_is_simple_reduction): Use new names.
23849         (vectorizable_live_operation, vect_transform_loop): Likewise.
23850         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
23851         to specify whether the data references can be a part of interleaving
23852         chain.
23853         (vect_analyze_data_ref_dependence): Use new names.
23854         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
23855         (vect_create_addr_base_for_vector_ref): Remove redundant code.
23856         * tree-vect-patterns.c (widened_name_p): Use new names.
23857         (vect_recog_dot_prod_pattern): Likewise.
23858         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
23859         (process_use, vect_mark_stmts_to_be_vectorized,
23860         vect_model_simple_cost, vect_model_store_cost,
23861         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
23862         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
23863         vectorizable_operation, vectorizable_type_demotion,
23864         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
23865         vectorizable_condition): Likewise.
23866         (vect_analyze_operations): Split into vect_analyze_loop_operations
23867         and ...
23868         (vect_analyze_stmt): ... new function.
23869         (new_stmt_vec_info): Use new names.
23870         (vect_is_simple_use): Use new names and fix comment.
23871         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
23872         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
23873
23874 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
23875
23876         PR target/39911
23877         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
23878         and integer modes for x87 operands.  Do not ICE for unsupported size,
23879         generate error instead.  Generate error for unsupported operand types.
23880         ['z']: Do not handle HImode memory operands specially.  Warning
23881         for floating-point operands.  Fallthru to 'Z' for unsupported operand
23882         types.  Do not ICE for unsupported size, generate error instead.
23883         (output_387_binary_op): Use %Z to output operands.
23884         (output_fp_compare): Ditto.
23885         (output_387_reg_move): Ditto.
23886
23887 2009-04-28  Ben Elliston  <bje@au.ibm.com>
23888
23889         PR c++/35652
23890         Revert:
23891
23892         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23893
23894         * builtins.c (c_strlen): Do not warn here.
23895         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
23896         * c-common.c (pointer_int_sum): Take an explicit location.
23897         Warn about offsets out of bounds.
23898         * c-common.h (pointer_int_sum): Adjust declaration.
23899
23900 2009-04-27  Ian Lance Taylor  <iant@google.com>
23901
23902         * collect2.c (is_ctor_dtor): Change type of ret field in struct
23903         names to symkind.
23904         * dce.c (run_fast_df_dce): Change type of old_flags to int.
23905         * df-core.c (df_set_flags): Change return type to int.  Change
23906         type of old_flags to int.
23907         (df_clear_flags): Likewise.
23908         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
23909         (df_get_conditional_uses): Likewise.
23910         * df.h (df_set_flags, df_clear_flags): Update declarations.
23911         * dwarf2out.c (struct indirect_string_node): Change type of form
23912         field to enum dwarf_form.
23913         (AT_string_form): Change return type to enum dwarf_form.
23914         * fixed-value.c (fixed_compare): Add cast to enum type.
23915         * fwprop.c (update_df): Change 0 to VOIDmode.
23916         * gensupport.c: Change 0 to UNKNOWN.
23917         * gimple.h (gimple_cond_code): Add cast to enum type.
23918         * haifa-sched.c (reemit_notes): Add cast to enum type.
23919         * hooks.c (hook_int_void_no_regs): Remove function.
23920         * hooks.h (hook_int_void_no_regs): Remove declaration.
23921         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
23922         * predict.c (combine_predictions_for_insn): Add casts to enum type.
23923         * real.c (real_arithmetic): Add cast to enum type.
23924         (real_compare): Likewise.
23925         * target.h (struct gcc_target): Change return type of
23926         branch_target_register_class to enum reg_class.
23927         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
23928         default_branch_target_register_class.
23929         * targhooks.c (default_branch_target_register_class): New function.
23930         * targhooks.h (default_branch_target_register_class): Declare.
23931         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
23932         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
23933         cast to int.
23934         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
23935         ERROR_MARK.
23936         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
23937         vect_uninitialized_def.  Change 0 to ERROR_MARK.
23938         * tree-vect-stmts.c (supportable_widening_operation): Don't
23939         initialize icode1 and icode2.
23940         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
23941         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
23942         and to STD_C89.
23943         (cmn_err_flag_specs): Change 0 to STD_C89.
23944         (cmn_err_char_table): Likewise.
23945         * config/arm/arm.c (get_arm_condition_code): Change type of code
23946         to enum arm_cond_code.
23947         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
23948         (IWMMXT_BUILTIN2): Likewise.
23949         (neon_builtin_type_bits): Don't define typedef.
23950         (neon_builtin_datum): Change type of bits field to int.
23951         (arm_expand_neon_args): Add cast to enum type.
23952         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
23953         TLS_MODEL_NONE.
23954         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
23955         casts to enum type.
23956         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
23957         MIPS_FP_COND_f.
23958         * config/mips/mips.md (jal_macro): Return enum constant.
23959         (single_insn): Likewise.
23960         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
23961         CODE_FOR_nothing.
23962         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
23963         casts to enum type.
23964         * config/s390/s390.c (s390_tune_flags): Change type to int.
23965         (s390_arch_flags): Likewise.
23966         (s390_handle_arch_option): Change flags field of struct pta to int.
23967         * config/s390/s390.h (s390_tune_flags): Update declaration.
23968         (s390_arch_flags): Likewise.
23969         * config/sh/sh.c (prepare_move_operands): Compare
23970         tls_symbolic_operand result with enum constant.
23971         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
23972         (sh_expand_prologue): Add cast to enum type.
23973         (sh_expand_epilogue): Likewise.
23974         (tls_symbolic_operand): Change return type to enum tls_model.
23975         (fpscr_set_from_mem): Add cast to enum type.
23976         (legitimize_pic_address): Compare tls_symbolic_operand result with
23977         enum constant.
23978         (sh_target_reg_class): Change return type to enum reg_class.
23979         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
23980         PROCESSOR_xxx.
23981         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
23982         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
23983         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
23984         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
23985         (delayed_branch, tls_call_delay): Likewise.
23986         (eligible_for_sibcall_delay): Likewise.
23987         (eligible_for_return_delay): Likewise.
23988         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
23989         (spu_expand_builtin_1): Likewise.
23990
23991         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
23992         for all types of conversions.
23993         (output_init_element): Issue -Wc++-compat warning if needed when
23994         initializing a bitfield with enum type.
23995         * c-parser.c (c_parser_expression): Set original_type to
23996         original_type of right hand operand of comma operator.
23997
23998 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23999
24000         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
24001         grammar nits.
24002         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
24003         * doc/cpp.texi (Standard Predefined Macros)
24004         (Implementation-defined behavior): Likewise.
24005         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
24006         * doc/gimple.texi (GIMPLE Exception Handling)
24007         (@code{GIMPLE_ASSIGN}): Likewise.
24008         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
24009         * doc/invoke.texi (Warning Options, Optimize Options)
24010         (AVR Options, Darwin Options): Likewise.
24011         (Optimize Options): Reformulate -fwhole-program description.
24012         * doc/loop.texi (Lambda): Likewise.
24013         * doc/md.texi (Output Template, Define Constraints)
24014         (Standard Names, Insn Splitting): Likewise.
24015         * doc/options.texi (Option properties): Likewise.
24016         * doc/passes.texi (Tree-SSA passes): Likewise.
24017         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
24018         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
24019         (File Names and DBX): Likewise.
24020         * doc/trouble.texi (Incompatibilities): Likewise.
24021
24022 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
24023
24024         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
24025         instruction is correct.
24026
24027 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
24028
24029         Allow non-constant arguments to conversion intrinsics.
24030         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
24031         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
24032         * spu.c (print_operand): Handle 'v' and 'w'.
24033         (exp2_immediate_p, spu_gen_exp2): Define.
24034         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
24035         spu_convtf_1): Update parameter descriptions.
24036         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
24037         * constraints.md ('v', 'w'): New.
24038         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
24039         Remove.
24040         (i2f, I2F): New define_mode_attr.
24041         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
24042         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
24043         fixuns_truncv4sfv4si2):  Update to use mode attribute.
24044         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
24045         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
24046         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
24047         patterns for combine.
24048
24049 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
24050
24051         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
24052         (cprop, hoist, pre, store_motion): New debug counters.
24053         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
24054         is not an RTL pass anymore.
24055         (pass_profiling): Remove extern decl for pass removed in 2005.
24056         (pass_gcse, pass_jump_bypass): Remove.
24057         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
24058         to 0 for clean state.
24059         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
24060         * cse.c (gate_handle_cse_after_global_opts,
24061         rest_of_handle_cse_after_global_opts): New functions.
24062         (pass_cse_after_global_opts): New pass, does local CSE.
24063         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
24064         (TV_CPROP): New timevar.
24065         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
24066         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
24067         (gcse_main, recompute_all_luids): Remove.
24068         (compute_hash_table_work): Call max_reg_num instead of reading
24069         max_gcse_regno.
24070         (cprop_jump): Don't set run_jump_opt_after_gcse.
24071         (constprop_register): Always allow to alter jumps.
24072         (cprop_insn): Likewise.
24073         (do_local_cprop): Likewise.
24074         (local_cprop_pass): Likewise.  Return non-zero if something changed.
24075         (cprop): Remove function, fold interesting bits into one_cprop_pass.
24076         (find_implicit_sets): Add note about missed optimization opportunity.
24077         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
24078         pass_rtl_cprop execute function.
24079         Don't bother tracking the pass number, each pass gets its own dumpfile
24080         now anyway.
24081         Always allow to alter jumpsand bypass jumps.
24082         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
24083         will just find no suitable set.
24084         (pre_edge_insert): Fix dumping, this function is for PRE only.
24085         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
24086         pass_rtl_pre execute function.
24087         (hoist_code): Return non-zero if something changed.  Keep track of
24088         substitutions and insertions for statistics gathering similar to PRE.
24089         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
24090         called from the pass_rtl_hoist execute function.  Show pass statistics.
24091         (compute_store_table): Use max_reg_num directly instead of using the
24092         formerly global max_gcse_regno.
24093         (build_store_vectors): Likewise.
24094         (replace_store_insn): Fix dumping.
24095         (store_motion): Rename to ...
24096         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
24097         pass, called from the pass_rtl_store_motion execute function.  Keep
24098         track of substitutions and insertions for statistics gathering similar
24099         to PRE.
24100         (bypass_jumps): Remove, fold interesting bits into ...
24101         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
24102         from the pass_rtl_cprop execute function.
24103         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
24104         pass_jump_bypass): Remove.
24105         (gate_handle_gcse, rest_of_handle_gcse): Remove.
24106         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
24107         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
24108         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
24109         (gate_rtl_store_motion, execute_rtl_store_motion,
24110         pass_rtl_store_motion): New.
24111         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
24112         make it clear that -fcse-skip-blocks is a no-op for backward compat.
24113         * passes.c (init_optimization_passes): Remove pass_gcse and
24114         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
24115         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
24116         instead of pass_jump_bypass.
24117
24118 2009-04-27  Richard Guenther  <rguenther@suse.de>
24119
24120         PR middle-end/39928
24121         * gimplify.c (gimplify_expr): If we are required to create
24122         a temporary make sure it ends up as register.
24123
24124 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
24125
24126         PR target/39903
24127         * config/i386/i386.c (construct_container): Don't call
24128         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
24129         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
24130
24131 2009-04-27  Michael Matz  <matz@suse.de>
24132
24133         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
24134         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
24135         * tree-ssa-live.h (find_replaceable_exprs): Return a bitmap.
24136         (dump_replaceable_exprs): Take a bitmap.
24137         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
24138         array.
24139         (expand_gimple_basic_block): Likewise.
24140         * tree-ssa-ter.c (struct temp_expr_table_d): Make
24141         replaceable_expressions member a bitmap.
24142         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
24143         (mark_replaceable): Likewise.
24144         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
24145         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
24146
24147 2009-04-27  Richard Guenther  <rguenther@suse.de>
24148
24149         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
24150         (verify_stmts): Dispatch to gimple/type verification code.
24151         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
24152         issue with call argument types.
24153
24154 2009-04-27  Michael Matz  <matz@suse.de>
24155
24156         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
24157         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
24158         to above.
24159
24160 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
24161             Eric Botcazou  <ebotcazou@adacore.com>
24162
24163         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
24164         a label's basic block.
24165         (mark_target_live_regs): Tidy and rework obsolete comments.
24166         Change back DF problem to LIVE.  If a label starts a basic block,
24167         assume that all registers that used to be live then still are.
24168         (init_resource_info): If a label starts a basic block, set its
24169         BLOCK_FOR_INSN accordingly.
24170         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
24171
24172 2009-04-27  Richard Guenther  <rguenther@suse.de>
24173
24174         * tree-flow-inline.h (function_ann): Remove.
24175         (get_function_ann): Likewise.
24176         * tree-dfa.c (create_function_ann): Remove.
24177         * tree-flow.h (struct static_var_ann_d): Remove.
24178         (struct function_ann_d): Likewise.
24179         (union tree_ann_d): Remove fdecl member.
24180         (function_ann_t): Remove.
24181         (function_ann, get_function_ann, create_function_ann): Remove
24182         declarations.
24183
24184 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
24185
24186         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
24187
24188 2009-04-27  Jan Hubicka  <jh@suse.cz>
24189
24190         * ipa-pure-const.c (struct funct_state_d): New fields
24191         state_previously_known, looping_previously_known; remove
24192         state_set_in_source.
24193         (analyze_function): Use new fields.
24194         (propagate): Avoid assumption that state_set_in_source imply
24195         nonlooping.
24196
24197         * tree-ssa-loop-niter.c (finite_loop_p): New function.
24198         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
24199         * cfgloop.h (finite_loop_p): Declare.
24200
24201 2009-04-26  Michael Matz  <matz@suse.de>
24202
24203         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
24204
24205 2009-04-26  Michael Matz  <matz@suse.de>
24206
24207         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
24208         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
24209         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
24210         pass_mark_used_blocks): Remove.
24211         * tree-optimize.c (pass_free_datastructures,
24212         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
24213         * passes.c (init_optimization_passes): Don't call
24214         pass_mark_used_blocks, remove dead code.
24215
24216 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
24217
24218         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
24219         * tree-ssa-live.h (register_ssa_partition): Likewise.
24220
24221 2009-04-26  Michael Matz  <matz@suse.de>
24222
24223         Expand from SSA.
24224         * builtins.c (fold_builtin_next_arg): Handle SSA names.
24225         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
24226         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
24227         SSA names.
24228         (compare_pairs): Swap cost comparison.
24229         (coalesce_ssa_name): Don't use change_partition_var.
24230         * tree-nrv.c (struct nrv_data): Add modified member.
24231         (finalize_nrv_r): Set it.
24232         (tree_nrv): Use it to update statements.
24233         (pass_nrv): Require PROP_ssa.
24234         * tree-mudflap.c (mf_decl_cache_locals,
24235         mf_build_check_statement_for): Use make_rename_temp.
24236         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
24237         * alias.c (find_base_decl): Handle SSA names.
24238         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
24239         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
24240         * rtl.h (set_reg_attrs_for_parm): Declare.
24241         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
24242         to "optimized", remove unused locals at finish.
24243         (execute_free_datastructures): Make global, call
24244         delete_tree_cfg_annotations.
24245         (execute_free_cfg_annotations): Don't call
24246         delete_tree_cfg_annotations.
24247
24248         * ssaexpand.h: New file.
24249         * expr.c (toplevel): Include ssaexpand.h.
24250         (expand_assignment): Handle SSA names the same as register variables.
24251         (expand_expr_real_1): Expand SSA names.
24252         * cfgexpand.c (toplevel): Include ssaexpand.h.
24253         (SA): New global variable.
24254         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
24255         (SSAVAR): New macro.
24256         (set_rtl): New helper function.
24257         (add_stack_var): Deal with SSA names, use set_rtl.
24258         (expand_one_stack_var_at): Likewise.
24259         (expand_one_stack_var): Deal with SSA names.
24260         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
24261         before unique numbers.
24262         (expand_stack_vars): Use set_rtl.
24263         (expand_one_var): Accept SSA names, add asserts for them, feed them
24264         to above subroutines.
24265         (expand_used_vars): Expand all partitions (without default defs),
24266         then only the local decls (ignoring those expanded already).
24267         (expand_gimple_cond): Remove edges when jumpif() expands an
24268         unconditional jump.
24269         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
24270         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
24271         SSA name.
24272         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
24273         members of SA; deal with PARM_DECL partitions here; expand
24274         all PHI nodes, free tree datastructures and SA.  Commit instructions
24275         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
24276         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
24277         info and statements at start, collect garbage at finish.
24278         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
24279         (VAR_ANN_PARTITION) Remove.
24280         (change_partition_var): Don't declare.
24281         (partition_to_var): Always return SSA names.
24282         (var_to_partition): Only accept SSA names.
24283         (register_ssa_partition): Only check argument.
24284         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
24285         member.
24286         (delete_var_map): Don't free it.
24287         (var_union): Only accept SSA names, simplify.
24288         (partition_view_init): Mark only useful SSA names as used.
24289         (partition_view_fini): Only deal with SSA names.
24290         (change_partition_var): Remove.
24291         (dump_var_map): Use ssa_name instead of partition_to_var member.
24292         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
24293         basic blocks.
24294         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
24295         (struct _elim_graph): New member const_dests; nodes member vector of
24296         ints.
24297         (set_location_for_edge): New static helper.
24298         (create_temp): Remove.
24299         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
24300         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
24301         (new_elim_graph): Allocate const_dests member.
24302         (clean_elim_graph): Truncate const_dests member.
24303         (delete_elim_graph): Free const_dests member.
24304         (elim_graph_size): Adapt to new type of nodes member.
24305         (elim_graph_add_node): Likewise.
24306         (eliminate_name): Likewise.
24307         (eliminate_build): Don't take basic block argument, deal only with
24308         partition numbers, not variables.
24309         (get_temp_reg): New static helper.
24310         (elim_create): Use it, deal with RTL temporaries instead of trees.
24311         (eliminate_phi): Adjust all calls to new signature.
24312         (assign_vars, replace_use_variable, replace_def_variable): Remove.
24313         (rewrite_trees): Only do checking.
24314         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
24315         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
24316         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
24317         contains_tree_r, MAX_STMTS_IN_LATCH,
24318         process_single_block_loop_latch, analyze_edges_for_bb,
24319         perform_edge_inserts): Remove.
24320         (expand_phi_nodes): New global function.
24321         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
24322         functions, initialize new parameter, remember partitions having a
24323         default def.
24324         (finish_out_of_ssa): New global function.
24325         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
24326         don't reset in_ssa_p here, don't disable TER when mudflap.
24327         (pass_del_ssa): Remove.
24328         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
24329         partition members.
24330         (execute_free_datastructures): Declare.
24331         * Makefile.in (SSAEXPAND_H): New variable.
24332         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
24333         * basic-block.h (commit_one_edge_insertion): Declare.
24334         * passes.c (init_optimization_passes): Move pass_nrv and
24335         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
24336         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
24337         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
24338         (redirect_branch_edge): Deal with super block when expanding, split
24339         out jump patching itself into ...
24340         (patch_jump_insn): ... here, new static helper.
24341
24342 2009-04-26  Michael Matz  <matz@suse.de>
24343
24344         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
24345         beyond num_ssa_names.
24346         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
24347         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
24348
24349 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
24350
24351         PR inline-asm/39543
24352         * fwprop.c (forward_propagate_asm): New function.
24353         (forward_propagate_and_simplify): Propagate also into __asm, if it
24354         doesn't increase the number of referenced registers.
24355
24356         PR c/39889
24357         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
24358
24359 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
24360
24361         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
24362         note_nonlocal_vla_type for nonlocal VLAs.
24363         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
24364         contains_remapped_vars, remap_vla_decls): New functions.
24365         (convert_nonlocal_reference_stmt): If not optimizing, call
24366         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
24367         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
24368         if it wasn't found in var_map.
24369         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
24370         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
24371         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
24372         declare_vars.
24373         * gimplify.c (nonlocal_vlas): New variable.
24374         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
24375         referenced VLAs.
24376         (gimplify_body): Create and destroy nonlocal_vlas.
24377
24378         * dwarf2out.c (loc_descr_plus_const): New function.
24379         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
24380         mem_loc_descriptor, loc_descriptor_from_tree_1,
24381         descr_info_loc, gen_variable_die): Use it.
24382
24383         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
24384         !TREE_STATIC VAR_DECLs.
24385         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
24386         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
24387         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
24388         DECL_BY_REFERENCE is valid.
24389         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
24390         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
24391         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
24392         Copy DECL_BY_REFERENCE.
24393         (struct nesting_copy_body_data): New type.
24394         (nesting_copy_decl): New function.
24395         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
24396         if they have variable length.
24397
24398 2009-04-26  Michael Matz  <matz@suse.de>
24399
24400         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
24401         mark new temporaries for renaming.
24402
24403 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
24404
24405         PR c/39581
24406         * c-decl.c (global_bindings_p): Return negative value.
24407         (c_variable_size): New.  Based on variable_size from
24408         stor-layout.c.
24409         (grokdeclarator): Call c_variable_size not variable_size.
24410
24411 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
24412
24413         * config/i386/i386.c (print_operand) ['z']: Fix typo.
24414
24415 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
24416
24417         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
24418         Redefine it to just use mingw/include.
24419         (ASM_SPEC): Rules for -m32 and -m64.
24420         (LINK_SPEC): Use Likewise.
24421         (SPEC_32): New define.
24422         (SPEC_64): Likewise.
24423         (SUB_LINK_SPEC): Likewise.
24424         (MULTILIB_DEFAULTS): New define.
24425         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
24426         Add multilib options.
24427         (MULTILIB_DIRNAMES): Likewise.
24428         (MULTILIB_OSDIRNAMES): Likewise.
24429         (LIBGCC): Likewise.
24430         (INSTALL_LIBGCC): Likewise.
24431
24432 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
24433
24434         PR c/39556
24435         * c-tree.h (enum c_inline_static_type): New.
24436         (record_inline_static): Declare.
24437         * c-decl.c (struct c_inline_static, c_inline_statics,
24438         record_inline_static, check_inline_statics): New.
24439         (pop_file_scope): Call check_inline_statics.
24440         (start_decl): Call record_inline_static instead of pedwarning
24441         directly for static in inline function.
24442         * c-typeck.c (build_external_ref): Call record_inline_static
24443         instead of pedwarning directly for static referenced in inline
24444         function.
24445
24446 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
24447
24448         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
24449         not new but only being rescanned.
24450         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
24451         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
24452         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
24453         record_set_info, compute_set, grealloc): Remove.
24454         (recompute_all_luids): New function.
24455         (gcse_main): Don't compute sets, and don't do related memory
24456         allocations/free-ing.  If something changed before the end of the
24457         pass, update LUIDs using recompute_all_luids.
24458         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
24459         (free_gcse_mem): Don't free it either.
24460         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
24461         Use the df insn LUIDs.
24462         (load_killed_in_block): Likewise.
24463         (compute_hash_table_work): Don't compute reg_set_in_block.
24464         (compute_transp): Use DF_REG_DEF_CHAINs.
24465         (local_cprop_pass): Don't use compute_sets and related functions.
24466         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
24467         Use get_max_uid() instead of max_cuid.
24468         (insert_insn_end_basic_block, pre_insert_copy_insn,
24469         update_ld_motion_stores): Don't try to
24470         keep reg_set tables up to date.
24471         (pre_insert_copies): Use df insn LUIDs.
24472         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
24473         (reg_set_info): Don't use extra bitmap argument.
24474         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
24475         information to compute regs_set_in_block.
24476         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
24477         (bypass_jumps): Don't use compute_sets and friends.
24478
24479 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24480
24481         PR testsuite/39710
24482         * opts.c (undocumented_msg): Do not leave blank even with
24483         ENABLE_CHECKING.
24484
24485 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
24486
24487         * c-decl.c (build_enumerator): Allow values folding to integer
24488         constants but not integer constant expressions with a pedwarn if
24489         pedantic.
24490
24491 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
24492
24493         PR c/39582
24494         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
24495         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
24496         type is an integer constant.
24497
24498 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
24499
24500         PR target/39897
24501         * config/i386/i386.c (print_operand) ['z']: Revert handling of
24502         HImode operands.
24503
24504 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
24505
24506         PR c/39564
24507         * c-decl.c (grokdeclarator): Diagnose declarations of functions
24508         with variably modified return type and no storage class
24509         specifiers, except for the case of nested functions.  Distinguish
24510         extern declarations of functions with variably modified return
24511         types from those of objects with variably modified types.
24512
24513 2009-04-25  Jan Hubicka  <jh@suse.cz>
24514
24515         * tree.c (list_equal_p): New function.
24516         * tree.h (list_equal_p): Declare.
24517         * coretypes.h (edge_def, edge, const_edge, basic_block_def
24518         basic_block_def, basic_block, const_basic_block): New.
24519         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
24520         (redirect_eh_edge): New function.
24521         (make_eh_edge_update_phi): EH edges are not abnormal.
24522         * except.c: Include tree-flow.h.
24523         (list_match): New function.
24524         (eh_region_replaceable_by_p): New function.
24525         (replace_region): New function.
24526         (hash_type_list): New function.
24527         (hash_eh_region): New function.
24528         (eh_regions_equal_p): New function.
24529         (merge_peers): New function.
24530         (remove_unreachable_regions): Verify EH tree when checking;
24531         merge peers.
24532         (copy_eh_region_1): New function.
24533         (copy_eh_region): New function.
24534         (push_reachable_handler): New function.
24535         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
24536         regions without label but with live RESX.
24537         * except.h (redirect_eh_edge_to_label): New.
24538         * tree-flow.h (redirect_eh_edge): New.
24539         * coretypes.h (edge_def, edge, const_edge, basic_block_def
24540         basic_block_def, basic_block, const_basic_block): Remove.
24541         * Makefile.in (except.o): Add dependency on tree-flow.h
24542         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
24543         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
24544         Remove.
24545
24546 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
24547
24548         PR bootstrap/39645
24549         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
24550         on the destination of memcpy.
24551
24552 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
24553
24554         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
24555         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
24556         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
24557
24558 2009-04-25  Jan Hubicka  <jh@suse.cz>
24559
24560         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
24561         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
24562         to be reached by different label than left.
24563         (update_eh_edges): Update comment; remove edge_to_remove if possible
24564         and return true if suceeded.
24565         (cleanup_empty_eh): Accept sharing map; handle shared regions.
24566         (cleanup_eh): Compute sharing map.
24567         * except.c (remove_eh_handler_and_replace): Add argument if we should
24568         update regions.
24569         (remove_unreachable_regions): Update for label sharing.
24570         (label_to_region_map): Likewise.
24571         (get_next_region_sharing_label): New function.
24572         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
24573         prev_try pointers.
24574         (remove_eh_handler): Update.
24575         (remove_eh_region_and_replace_by_outer_of): New function.
24576         * except.h (struct eh_region): Add next_region_sharing_label.
24577         (remove_eh_region_and_replace_by_outer_of,
24578         get_next_region_sharing_label): Declare.
24579         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
24580
24581 2009-04-25  Jan Hubicka  <jh@suse.cz>
24582
24583         * tree-cfg.c (split_critical_edges): Split also edges where we can't
24584         insert code even if they are not critical.
24585
24586 2009-04-25  Jan Hubicka  <jh@suse.cz>
24587
24588         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
24589         (gimple_can_remove_branch_p): EH edges won't remove branch by
24590         redirection.
24591         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
24592         updating of non-abnormal EH edges.
24593         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
24594         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
24595         (split_critical_edges): Split also edges where emitting code on them
24596         will lead to splitting later.
24597
24598 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
24599             H.J. Lu  <hongjiu.lu@intel.com>
24600
24601         PR target/39590
24602         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
24603         the configured assembler supports fildq and fistpq mnemonics.
24604         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
24605         * configure: Regenerated.
24606         * config.in: Ditto.
24607
24608         * config/i386/i386.c (print_operand): Handle 'Z'.
24609         ['z']: Remove handling of special fild/fist suffixes.
24610         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
24611         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
24612         suffix of fild insn.
24613         (*floatsi<mode>2_vector_mixed): Ditto.
24614         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
24615         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
24616         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
24617         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
24618         * config/i386/gas.h (GAS_MNEMONICS): Remove.
24619
24620 2009-04-25  Ben Elliston  <bje@au.ibm.com>
24621
24622         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
24623         the source of a set operation.
24624
24625 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
24626
24627         * target.h (struct gcc_target): Add case_values_threshold field.
24628         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
24629         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
24630         * targhooks.c (default_case_values_threshold): New function.
24631         * targhooks.h (default_case_values_threshold): Declare function.
24632         * stmt.c (expand_case): Use case_values_threshold target hook.
24633         * expr.h (case_values_threshold): Remove declartation.
24634         * expr.c (case_values_threshold): Remove function.
24635         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
24636
24637         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
24638         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
24639         (avr_case_values_threshold): Declare as static.
24640         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
24641
24642         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
24643         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
24644         (mn10300_case_values_threshold): New function.
24645
24646 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
24647
24648         * ira.c (setup_cover_and_important_classes): Add enum cast.
24649
24650 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
24651
24652         * genpreds.c (write_enum_constraint_num): Output definition of
24653         CONSTRAINT_NUM_DEFINED_P macro.
24654         * ira.c (setup_cover_and_important_classes): Use
24655         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
24656
24657 2009-04-24  DJ Delorie  <dj@redhat.com>
24658
24659         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
24660         __SH2A_SINGLE_ONLY__ also.
24661
24662 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
24663
24664         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
24665         (movdf_internal): Ditto.
24666         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
24667         SFmode and DFmode constants.
24668         (ia64_print_operand): Add 'G' format for printing
24669         floating point constants.
24670
24671 2009-04-24  Richard Guenther  <rguenther@suse.de>
24672
24673         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
24674         from unsigned additions.
24675
24676 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
24677
24678         * c-typeck.c (set_init_index): Allow array designators that are
24679         not integer constant expressions with a pedwarn if pedantic.
24680
24681 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
24682
24683         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
24684         zero if no overlap in nonzero bits between the operands.
24685
24686 2009-04-24  Ian Lance Taylor  <iant@google.com>
24687
24688         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
24689         (record_dead_and_set_regs): Likewise.
24690         * df.h (struct df_mw_hardreg): Change flags field to int.
24691         (struct df_base_ref): Likewise.
24692         (struct df): Change changeable_flags field to int.
24693         * df-scan.c (df_defs_record): Change clobber_flags to int.
24694         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
24695         constants rather than #define macros.
24696         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
24697         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
24698         (enum dwarf_calling_convention): Likewise.
24699         (enum dwarf_line_number_x_ops): Likewise.
24700         (enum dwarf_call_frame_info): Likewise.
24701         (enum dwarf_source_language): Likewise.
24702         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
24703         (add_calling_convention_attribute): Likewise.
24704         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
24705         (combine_comparisons): Change compcode to int.  Add cast to enum type.
24706         * genrecog.c (maybe_both_true_2): Change c to int.
24707         (write_switch): Likewise.  Add cast to enum type.
24708         * gimplify.c (gimplify_omp_for): Handle return values from
24709         gimplify_expr using MIN rather than bitwise or.
24710         (gimplify_expr): Add cast to enum type.
24711         * ipa-prop.c (update_jump_functions_after_inlining): Change
24712         IPA_BOTTOM to IPA_JF_UNKNOWN.
24713         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
24714         Add casts to enum type.
24715         (setup_cover_and_important_classes): Change cl to int.  Add casts
24716         to enum type.
24717         (setup_class_translate): Change cl and mode to int.
24718         (ira_init_once): Change mode to int.
24719         (free_register_move_costs): Likewise.
24720         (setup_prohibited_mode_move_regs): Add casts to enum type.
24721         * langhooks.c (add_builtin_function_common): Rework assertion that
24722         value fits bitfield.
24723         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
24724         * omega.c (omega_do_elimination): Avoid math on enum types.
24725         * optabs.c (expand_vec_shift_expr): Remove casts to int.
24726         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
24727         int local to handle integral_argment value.
24728         * regmove.c (try_auto_increment): Change PUT_MODE to
24729         PUT_REG_NOTE_KIND.
24730         * reload.c (push_secondary_reload): Add casts to enum type.
24731         (secondary_reload_class, find_valid_class): Likewise.
24732         * reload1.c (emit_input_reload_insns): Likewise.
24733         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
24734         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
24735         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
24736         constant.
24737         * tree.c (build_common_builtin_nodes): Add casts to enum type.
24738         * tree-complex.c (complex_lattice_t): Typedef to int rather than
24739         enum type.
24740         (expand_complex_libcall): Add casts to enum type.
24741         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
24742         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
24743         with ERROR_MARK, not NUM_TREE_CODES.
24744         (vect_create_epilog_for_reduction): Likewise.
24745         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
24746         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
24747         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
24748         enum machine_mode.
24749         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
24750         vect_unused_in_loop.  Change 0 to loop_vect.
24751         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
24752         * var-tracking.c (get_init_value): Change return type to enum
24753         var_init_status.
24754         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
24755         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
24756         arm_fp_model.
24757         (arm_override_options): Add casts to enum type.
24758         (arm_emit_tls_decoration): Likewise.
24759         * config/i386/i386.c (ix86_function_specific_restore): Add casts
24760         to enum type.
24761         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
24762         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
24763         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
24764         enum type.
24765         * config/s390/s390.c (code_for_builtin_64): Change to array of
24766         enum insn_code.
24767         (code_for_builtin_31): Likewise.
24768         (s390_expand_builtin): Change code_for_builtin to enum insn_code
24769         const *.
24770         * config/sparc/sparc.c (sparc_override_options): Change value
24771         field in struct code_model to enum cmodel.  In initializer change
24772         0 to NULL and add cast to enum type.
24773
24774         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
24775         Change all callers.  Issue a -Wc++-compat warning using
24776         lhs_origtype if necessary.
24777         (convert_for_assignment): Issue -Wc++-compat warnings about
24778         invalid conversions to enum type on assignment.
24779         * c-common.h (build_modify_expr): Update declaration.
24780
24781 2009-04-24  Nick Clifton  <nickc@redhat.com>
24782
24783         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
24784         (function_arg_advance): Likewise.
24785         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
24786         5th alternative.
24787
24788 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
24789
24790         * config/s390/constraints.md ('I', 'J'): Fix condition.
24791
24792 2009-04-24  Diego Novillo  <dnovillo@google.com>
24793
24794         * gengtype-parse.c (parse_error): Add newline after message.
24795
24796 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
24797
24798         * config/i386/sse.md (avxmodesuffixs): Removed.
24799         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
24800         (*avx_pinsr<ssevecsize>): This.
24801
24802 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
24803
24804         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
24805         follow chains of regs with a single definition, and allow expressions
24806         that are function_invariant_p.
24807         (simple_rhs_p): Allow expressions that are function_invariant_p.
24808
24809 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
24810
24811         PR middle-end/39867
24812         * fold-const.c (fold_cond_expr_with_comparison): When folding
24813         > and >= to MAX, make sure the MAX uses the same type as the
24814         comparison's operands.
24815
24816 2009-04-24  Nick Clifton  <nickc@redhat.com>
24817
24818         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
24819         addressing for DImode accesses.
24820         (frv_print_operand_address): Handle PLUS case.
24821         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
24822
24823 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
24824
24825         PR rtl-optimization/39794
24826         * alias.c (canon_true_dependence): Add x_addr argument.
24827         * rtl.h (canon_true_dependence): Adjust prototype.
24828         * cse.c (check_dependence): Adjust canon_true_dependence callers.
24829         * cselib.c (cselib_invalidate_mem): Likewise.
24830         * gcse.c (compute_transp): Likewise.
24831         * dse.c (scan_reads_nospill): Likewise.
24832         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
24833         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
24834         canon_base_addr of the group, plus optional offset.
24835         (struct group_info): Rename canon_base_mem to
24836         canon_base_addr.
24837         (get_group_info): Set canon_base_addr to canon_rtx of base, not
24838         canon_rtx of base_mem.
24839
24840 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
24841
24842         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
24843         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
24844
24845 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
24846
24847         * config/spu/spu-builtins.h: Delete file.
24848
24849         * config/spu/spu.h (enum spu_builtin_type): Move here from
24850         spu-builtins.h.
24851         (struct spu_builtin_description): Likewise.  Add GTY marker.
24852         Do not use enum spu_function_code or enum insn_code.
24853         (spu_builtins): Add extern declaration.
24854
24855         * config/spu/spu.c: Do not include "spu-builtins.h".
24856         (enum spu_function_code, enum spu_builtin_type_index,
24857         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
24858         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
24859         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
24860         unsigned_V2DI_type_node): Move here from spu-builtins.h.
24861         (spu_builtin_types): Make static.  Add GTY marker.
24862         (spu_builtins): Add extern declaration with GTY marker.
24863         Include "gt-spu.h".
24864
24865         * config/spu/spu-c.c: Do not include "spu-builtins.h".
24866         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
24867         Check programmatically whether all parameters are scalar.
24868
24869         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
24870
24871 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
24872
24873         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
24874         assignment from the constructor either if the target is volatile.
24875
24876 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
24877
24878         * config/arm/arm.md (insv): Do not share operands[0].
24879
24880 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
24881
24882         * config/vxlib-tls.c (active_tls_threads): Delete.
24883         (delete_hook_installed): New.
24884         (tls_delete_hook): Don't delete the delete hook.
24885         (tls_destructor): Delete it here.
24886         (__gthread_set_specific): Adjust installing the delete hook.
24887         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
24888         __gthread_leave_tsd_dtor_context.
24889
24890 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
24891
24892         * c-format.c (gcc_tdiag_char_table): Add support for %E.
24893
24894 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
24895
24896         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
24897         enum type.
24898         (alpha_rtx_costs): Ditto.
24899         (emit_unlikely_jump): Use add_reg_note.
24900         (emit_frame_store_1): Ditto.
24901         (alpha_expand_prologue): Ditto.
24902         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
24903         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
24904
24905 2009-04-23  Nick Clifton  <nickc@redhat.com>
24906
24907         * config/v850/v850.md (epilogue): Remove suppressed code.
24908         (return): Rename to return_simple and remove test of frame size.
24909         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
24910         to gen_return_simple.
24911
24912 2009-04-22  Jing Yu  <jingyu@google.com>
24913
24914         PR testsuite/39781
24915         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
24916
24917 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
24918
24919         PR C/31499
24920         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
24921         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
24922         value is a VECTOR_CST, the element type is the element type of the
24923         vector.
24924
24925 2009-04-22  DJ Delorie  <dj@redhat.com>
24926
24927         * config/m32c/m32c.h: Update GTY annotations to new syntax.
24928
24929 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
24930
24931         * alias.c (find_base_term): Move around LO_SUM case, so that
24932         CONST falls through into PLUS/MINUS handling.
24933
24934         PR c/39855
24935         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
24936         into 0, use omit_one_operand.
24937
24938 2009-04-23  Ben Elliston  <bje@au.ibm.com>
24939
24940         * config/rs6000/linux-unwind.h (get_regs): Remove type
24941         puns. Change the type of `pc' to an array of unsigned ints and
24942         update all users.  Constify frame24.
24943
24944 2009-04-22  DJ Delorie  <dj@redhat.com>
24945
24946         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
24947         declarations before code.
24948         (current_function_special_page_vector): Likewise.
24949         (m32c_expand_insv): Silence a warning.
24950
24951 2009-04-21  Taras Glek  <tglek@mozilla.com>
24952
24953         * alias.c: Update GTY annotations to new syntax.
24954         * basic-block.h: Likewise.
24955         * bitmap.h: Likewise.
24956         * c-common.h: Likewise.
24957         * c-decl.c: Likewise.
24958         * c-parser.c: Likewise.
24959         * c-pragma.c: Likewise.
24960         * c-tree.h: Likewise.
24961         * cfgloop.h: Likewise.
24962         * cgraph.h: Likewise.
24963         * config/alpha/alpha.c: Likewise.
24964         * config/arm/arm.h: Likewise.
24965         * config/avr/avr.h: Likewise.
24966         * config/bfin/bfin.c: Likewise.
24967         * config/cris/cris.c: Likewise.
24968         * config/darwin.c: Likewise.
24969         * config/frv/frv.c: Likewise.
24970         * config/i386/i386.c: Likewise.
24971         * config/i386/i386.h: Likewise.
24972         * config/i386/winnt.c: Likewise.
24973         * config/ia64/ia64.h: Likewise.
24974         * config/iq2000/iq2000.c: Likewise.
24975         * config/mips/mips.c: Likewise.
24976         * config/mmix/mmix.h: Likewise.
24977         * config/pa/pa.c: Likewise.
24978         * config/pa/pa.h: Likewise.
24979         * config/rs6000/rs6000.c: Likewise.
24980         * config/s390/s390.c: Likewise.
24981         * config/sparc/sparc.c: Likewise.
24982         * config/xtensa/xtensa.c: Likewise.
24983         * cselib.h: Likewise.
24984         * dbxout.c: Likewise.
24985         * dwarf2out.c: Likewise.
24986         * except.c: Likewise.
24987         * except.h: Likewise.
24988         * fixed-value.h: Likewise.
24989         * function.c: Likewise.
24990         * function.h: Likewise.
24991         * gimple.h: Likewise.
24992         * integrate.c: Likewise.
24993         * optabs.c: Likewise.
24994         * output.h: Likewise.
24995         * real.h: Likewise.
24996         * rtl.h: Likewise.
24997         * stringpool.c: Likewise.
24998         * tree-data-ref.c: Likewise.
24999         * tree-flow.h: Likewise.
25000         * tree-scalar-evolution.c: Likewise.
25001         * tree-ssa-address.c: Likewise.
25002         * tree-ssa-alias.h: Likewise.
25003         * tree-ssa-operands.h: Likewise.
25004         * tree.c: Likewise.
25005         * tree.h: Likewise.
25006         * varasm.c: Likewise.
25007         * varray.h: Likewise.
25008         * vec.h: Likewise.
25009         * coretypes.h: Do not define GTY macro if it is already defined.
25010         * doc/gty.texi: Update GTY documentation to new syntax.
25011         * gengtype-lex.l: Enforce attribute-like syntax for GTY
25012         annotations on structs.
25013         * gengtype-parse.c: Likewise.
25014
25015 2009-04-22  Mark Heffernan  <meheff@google.com>
25016
25017         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
25018
25019 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
25020
25021         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
25022         where appropriate.
25023
25024 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
25025
25026         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
25027         the same as a PLUS without a shift.  Increase the cost of a
25028         CONST_INT in MULT.
25029
25030 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25031
25032         * Makefile.in: Update dependencies.
25033         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
25034         * errors.h: Remove bogus comment about compatibility.
25035         (warning): Update declaration.
25036         * genautomata.c: Update all calls to warning.
25037         * gimple.c: Do not include errors.h. Include toplev.h.
25038         * tree-ssa-structalias.c: Do not include errors.h.
25039         * omega.c: Likewise.
25040         * tree-ssa-reassoc.c: Likewise.
25041         * config/spu/spu-c.c: Likewise.
25042         * config/spu/t-spu-elf: Update dependencies.
25043
25044 2009-04-22  Richard Guenther  <rguenther@suse.de>
25045
25046         PR tree-optimization/39824
25047         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
25048         make sure the types are compatible.
25049
25050 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25051
25052         PR c++/14875
25053         * c-common.c (c_parse_error): Take a token_flags parameter.
25054         Use token_type for the token type instead.
25055         Pass token_flags to cpp_type2name.
25056         * c-common.h (c_parse_error): Update declaration.
25057         * c-parser.c (c_parser_error): Pass 0 as token flags.
25058
25059 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
25060
25061         PR rtl-optimization/39580
25062         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
25063
25064 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
25065
25066         * function.c (expand_function_end): Do not emit a jump to the "naked"
25067         return label for fall-through returns.
25068         * except.c (sjlj_emit_function_exit): Always place the call to the
25069         unregister function at the location installed by expand_function_end.
25070
25071 2009-04-22  Richard Guenther  <rguenther@suse.de>
25072
25073         PR tree-optimization/39845
25074         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
25075         (gen_inbound_check): Likewise.
25076
25077 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
25078
25079         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
25080         padding for PPC.
25081         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
25082         * config/vxlib.c (__gthread_once): Add race guard for PPC.
25083
25084 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
25085
25086         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
25087         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
25088         shift counts to avoid out-of-bounds array accesses.
25089
25090 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
25091
25092         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
25093         (Pmode): Move above.
25094
25095 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
25096
25097         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
25098         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
25099         GET_CODE macro.  Use IN_RANGE macro where appropriate.
25100         * config/alpha/alpha.h: Ditto.
25101         * config/alpha/alpha.md: Ditto.
25102         * config/alpha/constraints.md: Ditto.
25103         * config/alpha/predicates.md: Ditto.
25104
25105 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
25106
25107         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
25108         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25109         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25110         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25111         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25112         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25113         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25114         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25115         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25116         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25117         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25118         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25119         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25120         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25121         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25122         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25123         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25124         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25125         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25126         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25127         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25128         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25129         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25130         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25131         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25132         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25133         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
25134
25135 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
25136
25137         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
25138         references from comments.
25139         * cfgbuild.c (count_basic_blocks): Delete.
25140         (find_basic_blocks_1): Delete.
25141         (find_basic_blocks): Delete.
25142         * except.c (finish_eh_generation): Make static.  Move comment from
25143         except.h here.  Remove find_basic_blocks references from comments.
25144         * except.h (finish_eh_generation): Delete.
25145         * basic-block.h (find_basic_blocks): Delete.
25146         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
25147
25148 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
25149
25150         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
25151         (sdbout_parms):  Likewise.
25152
25153 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
25154
25155         * config/sh/sh.c (prepare_cbranch_operands): Use
25156         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
25157         (expand_cbranchdi4): Likewise.
25158         (from_compare): Add cast to enum type.
25159         (expand_cbranchsi4): Use add_reg_note.
25160         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
25161         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
25162         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
25163         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
25164         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
25165         instead of CODE_FOR_nothing.
25166         (cbranchdi4): Likewise.  Fix the order of arguments for
25167         gen_rtx_fmt_ee.
25168         (push_fpscr): Use add_reg_note.
25169         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
25170         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
25171
25172 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
25173
25174         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
25175         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
25176         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
25177         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
25178         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
25179         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
25180         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
25181         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
25182         config/alpha/x-vms, config/arc/t-arc,
25183         config/arm/README-interworking, config/arm/arm-c.c,
25184         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
25185         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
25186         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
25187         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
25188         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
25189         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
25190         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
25191         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
25192         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
25193         config/cris/t-elfmulti, config/crx/t-crx,
25194         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
25195         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
25196         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
25197         config/h8300/t-h8300, config/i386/athlon.md,
25198         config/i386/darwin-libgcc.10.4.ver,
25199         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
25200         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
25201         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
25202         config/i386/t-linux64, config/i386/t-nwld,
25203         config/i386/t-rtems-i386, config/i386/t-sol2-10,
25204         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
25205         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
25206         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
25207         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
25208         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
25209         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
25210         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
25211         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
25212         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
25213         config/m68k/t-uclinux, config/mcore/t-mcore,
25214         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
25215         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
25216         config/mips/crtn.asm, config/mips/irix-crti.asm,
25217         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
25218         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
25219         config/mips/mips-fixed.md, config/mips/sb1.md,
25220         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
25221         config/mips/t-iris6, config/mips/t-isa3264,
25222         config/mips/t-libgcc-mips16, config/mips/t-linux64,
25223         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
25224         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
25225         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
25226         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
25227         config/mn10300/t-linux, config/mn10300/t-mn10300,
25228         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
25229         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
25230         config/picochip/libgccExtras/clzsi2.asm,
25231         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
25232         config/rs6000/darwin-libgcc.10.4.ver,
25233         config/rs6000/darwin-libgcc.10.5.ver,
25234         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
25235         config/rs6000/t-aix43, config/rs6000/t-aix52,
25236         config/rs6000/t-darwin, config/rs6000/t-fprules,
25237         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
25238         config/rs6000/t-lynx, config/rs6000/t-netbsd,
25239         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
25240         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
25241         config/rs6000/t-rtems, config/rs6000/t-spe,
25242         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
25243         config/score/t-score-elf, config/sh/divcost-analysis,
25244         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
25245         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
25246         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
25247         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
25248         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
25249         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
25250         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
25251         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
25252         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
25253         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
25254         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
25255         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
25256         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
25257         limitx.h, version.c, xcoff.h: Add copyright and license notices.
25258         * config/h8300/genmova.sh: Include copyright and license notices
25259         in generated output.
25260         * config/h8300/mova.md: Regenerate.
25261         * doc/install.texi2html: Include word "Copyright" in copyright
25262         notice and use name "Free Software Foundation, Inc.".
25263         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
25264         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
25265         ChangeLog-2007, ChangeLog-2008: Correct dates.
25266
25267 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
25268
25269         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
25270         NE_EXPR operations as well.
25271         * c-parser.c (c_parser_condition): Do not set location information on
25272         the condition.
25273         (c_parser_conditional_expression): Likewise.
25274         (c_parser_binary_expression): Set location information on operators.
25275         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
25276         TRUTH_NOT_EXPR has been folded.
25277         * fold-const.c (fold_truth_not_expr): Copy location information from
25278         the incoming expression to the outgoing one.
25279         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
25280         recursive calls on the LHS of the operator but pass that of the
25281         operator to recursive calls on the RHS of the operator.  Set it
25282         on the COND_EXPR.
25283         (shortcut_cond_expr): Set the locus of the operator on the second
25284         COND_EXPR and that of the expression on the first in degenerate cases.
25285         Pass the locus of the expression to calls to shortcut_cond_r.
25286         Set the locus of the 'then' block on the associated jump, if any.
25287         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
25288         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
25289         expression to call to gimplify_boolean_expr.
25290
25291 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
25292
25293         * config.gcc: Add additional configuration for
25294         i686-w64-mingw* and x86_64-w64-mingw* triplet.
25295         * config/i386/mingw-w64.h: New mingw-w64 specific header.
25296         (CPP_SPEC): Redefine for allowing -municode option.
25297         (STARTFILE_SPEC): Likewise.
25298         * config/i386/t-mingw-w64: New.
25299         * config/i386/mingw-w64.opt: New.
25300         (municode): Add new target option.
25301         * doc/invoke.texi (municode): Add documentation for new option.
25302
25303 2009-04-21  Ian Lance Taylor  <iant@google.com>
25304
25305         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
25306         Correct test for number of arguments.
25307         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
25308
25309 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
25310
25311         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
25312         argument of emit_library_call.
25313
25314 2009-04-21  Richard Guenther  <rguenther@suse.de>
25315
25316         PR middle-end/39829
25317         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
25318         inside VIEW_CONVERT_EXPRs.
25319
25320 2009-04-21  Martin Jambor  <mjambor@suse.cz>
25321
25322         * tree-switch-conversion.c (build_constructors): Split a long line.
25323         (constructor_contains_same_values_p): New function.
25324         (build_one_array): Create assigns of constants if possible, do not
25325         call mark_sym_for_renaming, call update_stmt.
25326         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
25327         make_rename_temp.  Do not call mark_symbols_for_renaming, call
25328         update_stmt.
25329         (gen_def_assigns): Do not call mark_symbols_for_renaming or
25330         find_new_referenced_vars, call update_stmt.
25331         (gen_inbound_check): Use create_tmp_var and create ssa names manually
25332         instead of calling make_rename_temp.  Do not call
25333         find_new_referenced_vars or mark_symbols_for_renaming, call
25334         update_stmt.
25335
25336 2009-04-21  Richard Guenther  <rguenther@suse.de>
25337
25338         PR tree-optimization/39827
25339         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
25340         (tree_ssa_phiprop): Pass the correct array size.
25341
25342 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
25343
25344         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
25345
25346 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25347
25348         PR 16202
25349         * c-typeck.c (lvalue_p): Move declaration ...
25350         * c-common.h (lvalue_p): ... to here.
25351         * c-common.c (candidate_equal_p): New.
25352         (add_tlist): Use it.
25353         (merge_tlist): Use it.
25354         (warn_for_collisions_1): Likewise.
25355         (warning_candidate_p): Accept more candidates.
25356         (verify_tree): A warning candidate can be an expression. Use
25357         candidate_equal_p.
25358
25359 2009-04-21  Ben Elliston  <bje@au.ibm.com>
25360
25361         PR target/5267
25362         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
25363         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
25364         options.  Remove -mcall-solaris documentation.
25365
25366 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25367
25368         PR c++/13358
25369         * doc/invoke.texi (-Wlong-long): Update description.
25370         * c-lex (interpret_integer): Only warn if there was no previous
25371         overflow and -Wlong-long is enabled.
25372         * c-decl.c (declspecs_add_type): Drop redundant flags.
25373         * c.opt (Wlong-long): Init to -1.
25374         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
25375         and front-end warn_long_long. Wlong-long only depends on other
25376         flags if it is uninitialized.
25377         * c-parser.c (disable_extension_diagnostics): warn_long_long is
25378         the same for CPP and FE.
25379         (restore_extension_diagnostics): Likewise.
25380
25381 2009-04-20  Ian Lance Taylor  <iant@google.com>
25382
25383         Fix enum conversions which are invalid in C++:
25384         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
25385         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
25386         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
25387         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
25388         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
25389         (dbxout_parms): Likewise.
25390         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
25391         (df_clear_flags): Likewise.
25392         * df-problems.c (df_rd_bb_local_compute_process_def): Change
25393         top_flag parameter to int.
25394         (df_chain_create_bb_process_use): Likewise.
25395         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
25396         Remove cast.
25397         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
25398         (df_ref_create_structure, df_def_record_1): Likewise.
25399         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
25400         (df_notes_rescan): Change 0 to VOIDmode in function call.
25401         (df_get_call_refs, df_insn_refs_collect): Likewise.
25402         (df_bb_regs_collect): Likewise.
25403         (df_entry_block_defs_collect): Likewise.
25404         (df_exit_block_uses_collect): Likewise.
25405         * df.h: Update declarations.
25406         * double-int.c (double_int_divmod): Add cast to enum type.
25407         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
25408         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
25409         (based_loc_descr): Likewise.
25410         (loc_descriptor_from_tree_1): Change first_op and second_op to
25411         enum dwarf_location_atom.  Add cast to enum type.
25412         * expmed.c (init_expmed): Change 0 to SET in function call.
25413         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
25414         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
25415         (do_store_flag): Likewise.
25416         * fixed-value.h (struct fixed_value): Change mode to enum
25417         machine_mode.
25418         * function.c (assign_parms): Change 0 to VOIDmode in function call.
25419         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
25420         function call.
25421         (insert_insn_decl, insert_decl, insert_state): Likewise.
25422         (automata_list_finish): Likewise.
25423         * genrecog.c (process_define_predicate): Add cast to enum type.
25424         * gensupport.c (init_predicate_table): Add cast to enum type.
25425         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
25426         function call.
25427         (gimple_build_call_1, gimple_build_label): Likewise.
25428         (gimple_build_goto, gimple_build_asm_1): Likewise.
25429         (gimple_build_switch_1, gimple_build_cdt): Likewise.
25430         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
25431         (enum fallback): Rename from enum fallback_t.
25432         (fallback_t): Typedef as int.
25433         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
25434         GSI_SAME_STMT in function call.
25435         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
25436         enum type.
25437         (setup_reg_class_relations): Likewise.
25438         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
25439         (setup_prohibited_class_mode_regs): Add cast to enum type.
25440         (setup_prohibited_mode_move_regs): Likewise.
25441         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
25442         (record_address_regs): Change i to enum reg_class.
25443         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
25444         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
25445         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
25446         (GET_MODE_2XWIDER_MODE): Likewise.
25447         (GET_CLASS_NARROWEST_MODE): Likewise.
25448         * omp-low.c (expand_omp_for): Add cast to enum type.
25449         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
25450         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
25451         * postreload.c (reload_cse_simplify_operands): Change rclass local
25452         to enum reg_class.
25453         * predict.c (combine_predictions_for_insn): Change best_predictor
25454         and predictor to enum br_predictor.
25455         (combine_predictions_for_bb): Likewise.
25456         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
25457         use SET_PREDICT_EXPR_OUTCOME.
25458         * real.c (real_arithmetic): Change icode to code in function call.
25459         * reginfo.c (init_move_cost): Add casts to enum type.
25460         (init_reg_sets_1, init_fake_stack_mems): Likewise.
25461         * regmove.c (regclass_compatible_p): Change class0 and class1 to
25462         enum reg_class.
25463         * reload.c (find_valid_class): Add casts to enum type.
25464         (push_reload): Change 0 to NO_REGS in function call.
25465         (find_reloads): Change this_alternative to array of enum
25466         reg_class.  Remove some now-unnecessary casts.
25467         (make_memloc): Change 0 to VOIDmode in function call.
25468         * reload1.c (reload): Change 0 to VOIDmode in function call.
25469         (eliminate_regs_1, elimination_effects): Likewise.
25470         (eliminate_regs_in_insn): Likewise.
25471         (emit_input_reload_insns): Add cast to enum type.
25472         (delete_output_reload): Change 0 to VOIDmode in function call.
25473         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
25474         to enum type in function call.
25475         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
25476         (SET_PREDICT_EXPR_OUTCOME): Define.
25477         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
25478         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
25479         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
25480         (dump_function): Likewise.
25481         * tree-dump.h: Update declarations.
25482         * tree-pass.h: Update declarations.
25483         * varasm.c (assemble_integer): Change mclass to enum mode_class.
25484         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
25485         enum type.
25486         (arm_rtx_costs_1): Correct parenthesization.
25487         (arm_rtx_costs): Add casts to enum type.
25488         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
25489         (vfp_emit_fstmd): Use add_rg_note.
25490         (emit_multi_reg_push, emit_sfm): Likewise.
25491         (thumb_set_frame_pointer): Likewise.
25492         (arm_expand_prologue): Likewise.
25493         (arm_regno_class): Change return type to enum reg_class.
25494         (thumb1_expand_prologue): Use add_reg_note.
25495         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
25496         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
25497         in function call.
25498         * config/arm/gentune.sh: Add cast to enum type.
25499         * config/arm/arm-tune.md: Rebuild.
25500         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
25501         (ix86_split_fp_branch, predict_jump): Likewise.
25502         (ix86_expand_multi_arg_builtin): Change sub_code from enum
25503         insn_code to enum rtx_code.
25504         (ix86_builtin_vectorized_function): Add cast to enum type.
25505         * config/i386/i386.md (truncdfsf2): Change slot to enum
25506         ix86_stack_slot.
25507         (truncxf<mode>2, isinf<mode>2): Likewise.
25508         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
25509         enum type.
25510         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
25511         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
25512         (insert_bundle_state): Change 1 to INSERT in function call.
25513         (ia64_add_bundle_selector_before): Likewise.
25514         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
25515         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
25516         (restore_stack_nonlocal): Likewise.
25517         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
25518         function call.
25519         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
25520         function call.
25521         (mips_rtx_costs): Likewise.
25522         (mips_override_options): Add casts to enum type.
25523         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
25524         in function call.
25525         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
25526         (store_reg, set_reg_plus_d): Likewise.
25527         (hppa_expand_prologue, hppa_profile_hook): Likewise.
25528         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
25529         cast to enum type.
25530         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
25531         function call.
25532         (emit_unlikely_jump): Use add_reg_note.
25533         (rs6000_emit_allocate_stack): Likewise.
25534         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
25535         (output_toc): Change 1 to INSERT in function call.
25536         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
25537         (rs6000_initialize_trampoline): Likewise.
25538         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
25539         function call.
25540         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
25541         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
25542         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
25543         (save_gprs): Use add_reg_note.
25544         (s390_emit_prologue): Likewise.
25545         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
25546         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
25547         (sparc_fold_builtin): Add cast to enum type.
25548         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
25549         enum insn_code.
25550         (spu_expand_prologue): Use add_reg_note.
25551         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
25552
25553 2009-04-20  Ian Lance Taylor  <iant@google.com>
25554
25555         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
25556         (c_parser_postfix_expression_after_primary): Get VEC for list of
25557         arguments.  Get original types of arguments.  Call
25558         build_function_call_vec.
25559         (cached_expr_list_1, cached_expr_list_2): New static variables.
25560         (c_parser_expr_list): Change return type to VEC *.  Add
25561         p_orig_types parameter.  Change all callers.
25562         (c_parser_release_expr): New static function.
25563         (c_parser_vec_to_tree_list): New static function.
25564         * c-typeck.c (build_function_call): Rewrite to build a VEC and
25565         call build_function_call_vec.
25566         (build_function_call_vec): New function, based on old
25567         build_function_call.
25568         (convert_arguments): Remove nargs and argarray parameters.  Change
25569         values to a VEC.  Add origtypes parameter.
25570         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
25571         (convert_for_assignment): Add origtype parameter.  Change all
25572         callers.  If warn_cxx_compat, check for conversion to an enum
25573         type when calling a function.
25574         (store_init_value): Add origtype parameter.  Change all callers.
25575         (digest_init): Likewise.
25576         (struct init_node): Add origtype field.
25577         (add_pending_init): Add origtype parameter.  Change all callers.
25578         (output_init_element): Likewise.
25579         (output_pending_init_elements): Pass origtype from init_node to
25580         output_init_element.
25581         (process_init_element): Pass origtype from c_expr to
25582         output_init_element.
25583         (c_finish_return): Add origtype parameter.  Change all callers.
25584         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
25585         caller.
25586         (sync_resolve_params): Likewise.
25587         (sync_resolve_return): Change params to first_param.  Change caller.
25588         (resolve_overloaded_builtins): Change params to VEC *.  Change
25589         callers.  Save first parameter around call to build_function_call_vec.
25590         * c-decl.c (finish_decl): Add origtype parameter.  Change all
25591         callers.  Call build_function_call_vec rather than
25592         build_function_call for cleanup.
25593         * c-tree.h: Update declarations.
25594         * c-common.h: Update declarations.
25595         * stub-objc.c (objc_rewrite_function_call): Change parameter from
25596         params to first_param.
25597         * target.h (struct gcc_target): Change resolve_overloaded_builtin
25598         params parameter from tree to void *.
25599         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
25600         Change arglist parameter to have type void *, and to be a pointer
25601         to a VEC.
25602         * config/rs6000/rs6000-protos.h
25603         (altivec_resolve_overloaded_builtin): Update declaration.
25604         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
25605         fnargs parameter to have type void *, and to be a pointer to a
25606         VEC.  Call build_function_call_vec instead of
25607         build_function_call.
25608         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
25609
25610 2009-04-20  Joey Ye  <joey.ye@intel.com>
25611             Xuepeng Guo  <xuepeng.guo@intel.com>
25612             H.J. Lu  <hongjiu.lu@intel.com>
25613
25614         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
25615
25616         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
25617         (IX86_LEA_PRIORITY): Likewise.
25618         (distance_non_agu_define): New function.
25619         (distance_agu_use): Likewise.
25620         (ix86_lea_for_add_ok): Likewise.
25621         (ix86_dep_by_shift_count): Likewise.
25622
25623         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
25624         should split for LEA.
25625
25626         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
25627         function.
25628         (ix86_dep_by_shift_count): Likewise.
25629
25630 2009-04-20  Richard Guenther  <rguenther@suse.de>
25631
25632         * expr.c (handled_component_p): Move ...
25633         * tree.h (handled_component_p): ... here.
25634         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
25635         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
25636         and REALPART_EXPR to be in one group.
25637
25638 2009-04-20  Richard Guenther  <rguenther@suse.de>
25639
25640         * basic-block.h (get_all_dominated_blocks): Declare.
25641         * dominance.c (get_all_dominated_blocks): New function.
25642         * tree-cfg.c (get_all_dominated_blocks): Remove.
25643         (remove_edge_and_dominated_blocks): Adjust.
25644         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
25645         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
25646         instead of recursing.
25647
25648 2009-04-20  Doug Kwan  <dougkwan@google.com>
25649
25650         * cgraph.h (cgraph_node_ptr): New type for vector functions.
25651         (struct cgraph_node_set_def): New type.
25652         (cgraph_node_set) New type. Also declare vector functions.
25653         (struct cgraph_node_set_element_def): New type.
25654         (cgraph_node_set_element): Ditto.
25655         (cgraph_node_set_iterator): New iterator type.
25656         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
25657         cgraph_node_set_remove, dump_cgraph_node_set,
25658         debug_cgraph_node_set): New prototypes.
25659         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
25660         cgraph_node_set_size): New inlines.
25661         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
25662         including cgraph.h.
25663         (struct ipa_opt_pass): Add struct cgraph_node_set_def
25664         argument to function 'write_summary'.
25665         * ipa.c: Include ggc.h.
25666         (hash_cgraph_node_set_element,
25667         eq_cgraph_node_set_element, cgraph_node_set_new,
25668         cgraph_node_set_add, cgraph_node_set_remove,
25669         cgraph_node_set_find, dump_cgraph_node_set,
25670         debug_cgraph_node_set): New functions.
25671         * Makefile.in (ipa.o): Add dependency on GGC_H.
25672
25673 2009-04-20  Ira Rosen  <irar@il.ibm.com>
25674
25675         PR tree-optimization/39675
25676         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
25677         check of the return code of vect_schedule_slp. Check that
25678         stmt_vec_info still exists for the statement, before checking its
25679         vectorization type.
25680
25681 2009-04-20  Michael Matz  <matz@suse.de>
25682
25683         * Makefile.in (generated_files): Take out $(simple_generated_c).
25684
25685 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
25686
25687         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
25688         (UINTPTR_TYPE):  Likewise.
25689
25690 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
25691
25692         PR c/37481
25693         * c-typeck.c (digest_init): Check for initializing an array with a
25694         string literal.
25695
25696 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
25697
25698         PR c/19771
25699         * c-semantics.c (pop_stmt_list): Propagate
25700         STATEMENT_LIST_HAS_LABEL to parent statement list.
25701
25702 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
25703
25704         * config/mips/mips.h (mips_tune_attr): New macro.
25705         * config/mips/mips.md (cpu): Use it.
25706
25707 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
25708
25709         PR c/38243
25710         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
25711         declaring a tag.
25712
25713 2009-04-19  Diego Novillo  <dnovillo@google.com>
25714
25715         * toplev.c (compile_file): Move call to coverage_finish ...
25716         * cgraphunit.c (ipa_passes): ... here.
25717         Call cgraph_process_new_functions.
25718         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
25719         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
25720
25721 2009-04-19  Jan Hubicka  <jh@suse.cz>
25722
25723         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
25724         cfun.
25725         (dump_cgraph_node): Dump can throw external flag.
25726         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
25727
25728 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25729
25730         PR c/32061
25731         PR c++/36954
25732         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
25733         * common.opt (Wlogical-op): Move from here...
25734         * c.opt (Wlogical-op): ... to here.
25735         * c-typeck.c (parser_build_binary_op): Update call to
25736         warn_logical_operator.
25737         * c-opts.c (c_common_post_options): Enable warn_logical_op with
25738         extra_warnings.
25739         * c-common.c (warn_logical_op): Update.
25740         * c-common.h (warn_logical_op): Update declaration.
25741
25742 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
25743
25744         * tree.c (protected_set_expr_location): Fix formatting.
25745
25746 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
25747
25748         PR c/27676
25749         * c-typeck.c (readonly_warning): new.
25750         (build_unary_op, build_modify_expr): Use readonly_warning for
25751         storing into something readonly but not const-qualified.
25752
25753 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
25754
25755         PR c/22367
25756         * c-typeck.c (build_unary_op): Check for taking address of
25757         expression of type void.
25758
25759 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
25760
25761         PR c/35210
25762         * c-typeck.c (build_function_call): Check for calling a function
25763         with qualified void return types.  Call require_complete_type when
25764         generating a trap.
25765
25766 2009-04-18  Jan Hubicka  <jh@suse.cz>
25767
25768         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
25769         Set nothrow flag.
25770         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
25771         can_throw_external flag.
25772         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
25773         * ipa-pure-const.c (ignore_edge): New function.
25774         (propagate): Compute order for NOTHROW computation; set NOTHROWs
25775         only over can_throw_external edges.
25776         (local_pure_const): Add nothrow flag.
25777         * ipa-utils.c (searchc): Add ignore_edge callback.
25778         (ipa_utils_reduced_inorder): Add ignore_edge callback.
25779         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
25780         (set_nothrow_function_flags): Update cgraph.
25781         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
25782
25783 2009-04-18  Richard Guenther  <rguenther@suse.de>
25784
25785         PR middle-end/39804
25786         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
25787         (fold_stmt): ... this and ...
25788         (fold_stmt_inplace): ... this.
25789         (fold_stmt_1): Fold references in calls and asms.
25790         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
25791
25792 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25793
25794         * tree-vrp.c (ssa_name_nonzero_p): Remove.
25795         * tree.h: Remove the prototype for ssa_name_nonzero_p.
25796
25797 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25798
25799         * tree.c (function_args_count): Remove.
25800         * tree.h: Remove the prototype for function_args_count.
25801
25802 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25803
25804         * tree-iterator.c (expr_only): Remove.
25805         * tree.h: Remove the prototype for expr_only.
25806
25807 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25808
25809         * reginfo.c (cannot_change_mode_set_regs): Remove.
25810         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
25811
25812 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
25813
25814         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
25815         whether operands 0 and 1 overlaps.
25816
25817 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25818
25819         PR middle-end/36902
25820         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
25821         pointer. Use warning_at instead of warning.
25822         (search_for_addr_array): Likewise.
25823         (check_array_bounds): Likewise.
25824         (check_all_array_refs): Check that the incoming edge is not in the
25825         list of edges to be removed.
25826         (check_all_array_refs): Avoid the temporal pointer.
25827         (vrp_visit_cond_stmt): Fix typo.
25828         (simplify_switch_using_ranges): Handle the case where the switch
25829         index is an integer constant.
25830
25831 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
25832
25833         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
25834
25835 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
25836
25837         * doc/extend.texi, doc/invoke.texi: Fix typos.
25838
25839 2009-04-17  Cary Coutant  <ccoutant@google.com>
25840
25841         * tree-flow-inline.h (get_lineno): Fix inverted test.
25842
25843 2009-04-17  Diego Novillo  <dnovillo@google.com>
25844
25845         * tree-ssa-pre.c (create_expression_by_pieces): Remove
25846         assertion for AVAIL_OUT.
25847
25848 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
25849
25850         PR target/38627
25851         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
25852         * config/sh/linux-atomic.asm: Likewise.
25853
25854 2009-04-17  Diego Novillo  <dnovillo@google.com>
25855
25856         * except.c (debug_eh_tree): New.
25857         (struct eh_region, struct eh_status): Move ...
25858         * except.h: ... here.
25859         (add_type_for_runtime): Declare extern.
25860         (lookup_type_for_runtime): Likewise.
25861         (debug_eh_tree): Declare.
25862         * Makefile.in (GTFILES): List except.h before except.c
25863
25864 2009-04-17  Diego Novillo  <dnovillo@google.com>
25865
25866         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
25867         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
25868         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
25869         (find_vars_r): ... here.
25870         * tree-flow.h (find_referenced_vars_in): Declare.
25871         * tree-ssa-pre.c (create_expression_by_pieces): Assert
25872         that AVAIL_OUT exists for BLOCK.
25873         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
25874         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
25875         (tree-parloops.o): Likewise.
25876
25877 2009-04-17  Simon Baldwin  <simonb@google.com>
25878
25879         * toplev.c (default_tree_printer): Add handling for %E format.
25880
25881 2009-04-17  Diego Novillo  <dnovillo@google.com>
25882
25883         * tree-pretty-print.c (dump_generic_node): Add break after
25884         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
25885         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
25886         FUNCTION_TYPE together.  Call print_struct_decl when printing
25887         structures and TDF_SLIM is not given.
25888         (print_struct_decl): Fix logic for detecting recursion.
25889
25890 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
25891
25892         PR 31567
25893         * gcc.c (create_at_file): New.
25894         (compile_input_file_p): New.
25895         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
25896         * main.c (main): Update call to toplev_main.
25897         * toplev.c (toplev_main): Change signature. Call expandargv.
25898         * toplev.h (toplev_main): Change signature.
25899
25900 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
25901
25902         * dwarf2out.c (field_byte_offset): Use the type size as the field size
25903         if the latter is not constant.
25904
25905 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
25906
25907         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
25908
25909 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
25910
25911         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
25912         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
25913
25914 2009-04-17  Richard Guenther  <rguenther@suse.de>
25915
25916         * tree-ssa-structalias.c (get_constraint_for_component_ref):
25917         Handle component references view-converting an invariant address.
25918
25919 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
25920
25921         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
25922         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
25923         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
25924         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
25925         Use @deftypevr rather than @deftypevar.
25926
25927 2009-04-17  Richard Guenther  <rguenther@suse.de>
25928
25929         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
25930         (get_prop_source_stmt): Likewise.
25931         (can_propagate_from): Likewise.
25932
25933 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
25934
25935         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
25936         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
25937         (--with-multilib-list): Add default value.
25938         * configure: Regenerate.
25939         * Makefile.in (TM_ENDIAN_CONFIG): Define.
25940         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
25941         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
25942         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
25943         Don't add default cpu to multilib list unnecessarily, but do enable
25944         the relevant compiler option..
25945         Add support for --with-multilib-list=<blank> and
25946         --with-multilib-list=!<somelib> to supress unwanted multilibs.
25947         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
25948         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
25949         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
25950         TM_MULTILIB_CONFIG.
25951         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
25952         (MULTILIB_OSDIRNAMES): New variable.
25953         * config/sh/t-1e: Delete file.
25954         * config/sh/t-mlib-sh1: Delete file.
25955         * config/sh/t-mlib-sh2: Delete file.
25956         * config/sh/t-mlib-sh2a: Delete file.
25957         * config/sh/t-mlib-sh2a-nofpu: Delete file.
25958         * config/sh/t-mlib-sh2a-single: Delete file.
25959         * config/sh/t-mlib-sh2a-single-only: Delete file.
25960         * config/sh/t-mlib-sh2e: Delete file.
25961         * config/sh/t-mlib-sh3e: Delete file.
25962         * config/sh/t-mlib-sh4: Delete file.
25963         * config/sh/t-mlib-sh4-nofpu: Delete file.
25964         * config/sh/t-mlib-sh4-single: Delete file.
25965         * config/sh/t-mlib-sh4-single-only: Delete file.
25966         * config/sh/t-mlib-sh4a: Delete file.
25967         * config/sh/t-mlib-sh4a-nofpu: Delete file.
25968         * config/sh/t-mlib-sh4a-single: Delete file.
25969         * config/sh/t-mlib-sh4a-single-only: Delete file.
25970         * config/sh/t-mlib-sh4al: Delete file.
25971         * config/sh/t-mlib-sh5-32media: Delete file.
25972         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
25973         * config/sh/t-mlib-sh5-64media: Delete file.
25974         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
25975         * config/sh/t-mlib-sh5-compact: Delete file.
25976         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
25977         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
25978         * doc/install.texi (Options specification): Add
25979         --with-multilib-list and --with-endian.
25980
25981 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
25982
25983         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
25984         REVISION_c.
25985         (OBJS-common): Add plugin-version.o.
25986         (plugin-version.o): New.
25987         * gcc-plugin.h (plugin_gcc_version): New.
25988         (plugin_default_version_check): New.
25989         (plugin_init_func, plugin_init): Add version argument.
25990         * plugin-version.c: New.
25991         * plugin.c (str_plugin_gcc_version_name): New.
25992         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
25993         pass it to the init function.
25994         (plugin_default_version_check): New.
25995
25996 2009-04-17  Richard Guenther  <rguenther@suse.de>
25997
25998         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
25999         for decl-vs-decl disambiguation.
26000
26001 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
26002
26003         * config/s390/s390.h (s390_tune_attr): New macro definition.
26004         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
26005
26006 2009-04-17  Richard Guenther  <rguenther@suse.de>
26007
26008         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
26009         (fold_stmt_r): Likewise.
26010         (maybe_fold_reference): New function.
26011         (fold_gimple_assign): Handle cases fold_stmt_r did.
26012         (fold_stmt): Do not use fold_stmt_r.
26013         (fold_stmt_inplace): Likewise.
26014
26015 2009-04-17  Richard Guenther  <rguenther@suse.de>
26016
26017         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
26018         (record_equivalences_from_stmt): Remove useless checks and
26019         simplifications.
26020         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
26021         the type is already suitable.
26022
26023 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
26024
26025         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
26026
26027 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
26028
26029         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
26030         (CMPtype): Define as __gcc_CMPtype.
26031
26032 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
26033
26034         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
26035         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
26036
26037 2009-04-17  Richard Guenther  <rguenther@suse.de>
26038
26039         PR tree-optimization/39746
26040         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
26041         special-casing for builtins and static variable use/def.
26042         (call_may_clobber_ref_p_1): Likewise.
26043
26044 2009-04-16  Ian Lance Taylor  <iant@google.com>
26045
26046         * df.h: Include "timevar.h".
26047         (struct df_problem): Change tv_id field to timevar_id_t.
26048         * tree-pass.h: Include "timevar.h".
26049         (struct opt_pass): Change tv_id field to timevar_id_t.
26050         * timevar.h (timevar_id_t): Define TV_NONE.
26051         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
26052         TV_NONE rather than tv_id != 0.
26053         (execute_one_pass): Likewise.
26054         * Makefile.in (DF_H): Add $(TIMEVAR_H).
26055         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
26056         dependencies to $(TREE_PASS_H).
26057         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
26058         to TV_NONE.
26059         (pass_branch_target_load_optimize2): Likewise.
26060         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
26061         (pass_outof_cfg_layout_mode): Likewise.
26062         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
26063         (pass_rebuild_cgraph_edges): Likewise.
26064         (pass_remove_cgraph_callee_edges): Likewise.
26065         * df-core.c (pass_df_initialize_opt): Likewise.
26066         (pass_df_initialize_no_opt): Likewise.
26067         (pass_df_finish): Likewise.
26068         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
26069         * except.c (pass_set_nothrow_function_flags): Likewise.
26070         (pass_convert_to_eh_region_ranges): Likewise.
26071         * final.c (pass_compute_alignments): Likewise.
26072         * function.c (pass_instantiate_virtual_regs): Likewise.
26073         (pass_init_function): Likewise.
26074         (pass_leaf_regs): Likewise.
26075         (pass_match_asm_constraints): Likewise.
26076         * gimple-low.c (pass_lower_cf): Likewise.
26077         (pass_mark_used_blocks): Likewise.
26078         * init-regs.c (pass_initialize_regs): Likewise.
26079         * integrate.c (pass_initial_value_sets): Likewise.
26080         * ira.c (pass_ira): Likewise.
26081         * jump.c (pass_cleanup_barriers): Likewise.
26082         * omp-low.c (pass_expand_omp): Likewise.
26083         (pass_lower_omp): Likewise.
26084         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
26085         * recog.c (pass_split_all_insns): Likewise.
26086         (pass_split_after_reload): Likewise.
26087         (pass_split_before_regstack): Likewise.
26088         (pass_split_before_sched2): Likewise.
26089         (pass_split_for_shorten_branches): Likewise.
26090         * reginfo.c (pass_reginfo_init): Likewise.
26091         (pass_subregs_of_mode_init): Likewise.
26092         (pass_subregs_of_mode_finish): Likewise.
26093         * passes.c (pass_postreload): Likewise.
26094         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
26095         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
26096         (pass_warn_function_return): Likewise.
26097         (pass_warn_function_noreturn): Likewise.
26098         * tree-complex.c (pass_lower_complex): Likewise.
26099         (pass_lower_complex_O0): Likewise.
26100         * tree-if-conv.c (pass_if_conversion): Likewise.
26101         * tree-into-ssa.c (pass_build_ssa): Likewise.
26102         * tree-mudflap.c (pass_mudflap_1): Likewise.
26103         (pass_mudflap_2): Likewise.
26104         * tree-nomudflap.c (pass_mudflap_1): Likewise.
26105         (pass_mudflap_2): Likewise.
26106         * tree-nrv.c (pass_return_slot): Likewise.
26107         * tree-object-size.c (pass_object_sizes): Likewise.
26108         * tree-optimize.c (pass_all_optimizations): Likewise.
26109         (pass_early_local_passes): Likewise.
26110         (pass_all_early_optimizations): Likewise.
26111         (pass_cleanup_cfg): Likewise.
26112         (pass_cleanup_cfg_post_optimizing): Likewise.
26113         (pass_free_datastructures): Likewise.
26114         (pass_free_cfg_annotations): Likewise.
26115         (pass_fixup_cfg): Likewise.
26116         (pass_init_datastructures): Likewise.
26117         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
26118         (pass_late_warn_uninitialized): Likewise.
26119         (pass_update_address_taken): Likewise.
26120         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
26121         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
26122         (pass_cse_sincos): Likewise.
26123         (pass_convert_to_rsqrt): Likewise.
26124         * tree-ssa-structalias.c (pass_build_alias): Likewise.
26125         * tree-stdarg.c (pass_stdarg): Likewise.
26126         * tree-tailcall.c (pass_tail_recursion): Likewise.
26127         (pass_tail_calls): Likewise.
26128         * tree-vect-generic.c (pass_lower_vector): Likewise.
26129         (pass_lower_vector_ssa): Likewise.
26130         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
26131
26132 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
26133
26134         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
26135         XLR entry.
26136         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
26137         Handle -march=xlr.
26138         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
26139         logical and signext.
26140
26141 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
26142
26143         PR target/39767
26144         * config/sh/predicates.md (arith_operand): Check if the operand
26145         of TRUNCATE is a REG.
26146
26147 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26148
26149         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
26150         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
26151
26152 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26153
26154         * tree-iterator.c (tsi_split_statement_list_after,
26155         tsi_split_statement_list_before): Remove.
26156         * tree-iterator.h: Remove the prototypes for
26157         tsi_split_statement_list_after and tsi_split_statement_list_before.
26158
26159 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26160
26161         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
26162         * tree-ssa-propagate.h: Remove the prototype for
26163         stmt_makes_single_load.
26164
26165 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26166
26167         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
26168         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
26169
26170 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26171
26172         * tree-iterator.c (EXPR_LAST_BODY): Remove.
26173
26174 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26175
26176         * except.c (eh_region_outer_p): Remove.
26177         * except.h: Remove the prototype for eh_region_outer_p.
26178
26179 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
26180
26181         * function.c (current_function_assembler_name): Remove.
26182         * function.h: Remove the prototype for
26183         current_function_assembler_name.
26184
26185 2009-04-16  Ian Lance Taylor  <iant@google.com>
26186
26187         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
26188         (add_reg_note): Call alloc_reg_note.
26189         * rtl.h (alloc_reg_note): Declare.
26190         * combine.c (try_combine): Use alloc_reg_note.
26191         (recog_for_combine, move_deaths): Likewise.
26192         (distribute_notes): Use alloc_reg_note and add_reg_note.
26193         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
26194         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
26195         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
26196
26197 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
26198
26199         PR rtl-optimization/39762
26200         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
26201         ira_may_move_out_cost): Add comments about way of their usage.
26202         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
26203
26204         * ira-conflicts.c (process_regs_for_copy): Use function
26205         ira_get_register_move_cost instead of global
26206         ira_register_move_cost.
26207
26208         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
26209         color_pass, move_spill_restore, update_curr_costs): Ditto.
26210
26211         * ira-lives.c (process_single_reg_class_operands): Ditto.
26212
26213         * ira-emit.c (emit_move_list): Ditto.
26214
26215         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
26216         (record_reg_classes): Ditto.  Use functions
26217         ira_get_register_move_cost and ira_get_may_move_cost instead of
26218         global vars ira_register_move_cost, ira_may_move_out_cost and
26219         ira_may_move_in_cost.
26220         (record_address_regs): Don't call ira_init_register_move_cost.
26221         Use function ira_get_may_move_cost instead of global
26222         ira_may_move_in_cost.
26223         (process_bb_node_for_hard_reg_moves): Use function
26224         ira_get_register_move_cost instead of global ira_register_move_cost.
26225         (ira_costs): Don't call ira_init_register_move_cost.
26226
26227 2009-04-16  Richard Guenther  <rguenther@suse.de>
26228
26229         * tree-cfg.c (verify_gimple_assign_binary):
26230         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
26231         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
26232         (create_general_new_stmt): Note that this function is broken.
26233
26234 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
26235
26236         * common.opt (fhelp): Add Var(help_flag).
26237         * gcc-plugin.h (plugin_info): Add help.
26238         * plugin.c (plugin_name_args): Add help.
26239         (register_plugin_info): Set plugin->help.
26240         (print_help_one_plugin): New.
26241         (print_plugins_help): New.
26242         * plugin.h (print_plugins_help): New.
26243         * toplev.c (toplev_main): Call print_plugins_help if needed.
26244
26245 2009-04-16  Richard Guenther  <rguenther@suse.de>
26246
26247         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
26248         (gimple_ior_addresses_taken_1): New function.
26249         (gimple_ior_addresses_taken): Likewise.
26250         * gimple.h (struct gimple_statement_with_ops_base): Remove
26251         addresses_taken member.
26252         (gimple_ior_addresses_taken): Declare.
26253         (gimple_addresses_taken, gimple_addresses_taken_ptr,
26254         gimple_set_addresses_taken): Remove.
26255         * ipa-reference.c (mark_address): New function.
26256         (scan_stmt_for_static_refs): Use it for marking addresses taken.
26257         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
26258         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
26259         (gimple_add_to_addresses_taken): Remove.
26260         (get_tmr_operands): Call mark_address_taken.
26261         (get_asm_expr_operands): Likewise.
26262         (get_expr_operands): Likewise.
26263         (build_ssa_operands): Do not clear the addresses_taken bitmap.
26264         (free_stmt_operands): Do not free it.
26265         * tree-ssa.c (delete_tree_ssa): Likewise.
26266         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
26267
26268 2009-04-16  Richard Guenther  <rguenther@suse.de>
26269
26270         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
26271         (walk_stmt_load_store_ops): Likewise.
26272         * gimple.c (get_base_loadstore): New function.
26273         (walk_stmt_load_store_addr_ops): Likewise.
26274         (walk_stmt_load_store_ops): Likewise.
26275         * ipa-pure-const.c (check_op): Simplify.
26276         (check_load, check_store): New functions.
26277         (check_stmt): Use walk_stmt_load_store_ops.
26278         * ipa-reference.c (mark_load): Adjust signature.
26279         (mark_store): Likewise.
26280         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
26281
26282 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
26283
26284         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
26285         (plugin_info): New.
26286         * opts.c (common_handle_option): Don't call print_version.
26287         * plugin.c (plugin_name_args): Add version.
26288         (register_plugin_info): New.
26289         (register_callback): Handle PLUGIN_INFO.
26290         (try_init_one_plugin): New.
26291         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
26292         if failed to init.
26293         (finalize_one_plugin): New.
26294         (finalize_plugins): New.
26295         (print_one_plugin): New.
26296         (print_plugins_versions): New.
26297         * plugin.h (print_plugins_versions): New.
26298         (finalize_plugins): New.
26299         * toplev.c (compile_file): Don't call initialize_plugins.
26300         (print_version): Call print_plugins_versions.
26301         (toplev_main): Call initialize_plugins. Print version if needed.
26302         Call finalize_plugins.
26303
26304 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
26305
26306         * common.opt (fversion): New.
26307         * gcc.c (print_version): New.
26308         (process_command): Don't print the version. Just set print_version.
26309         (main): Print version. Call subprocesses if print_version and
26310         verbose_flag are set.
26311         * opts.c (common_handle_option): Handle OPT_fversion.
26312
26313 2009-04-16  Richard Guenther  <rguenther@suse.de>
26314             Ira Rosen  <irar@il.ibm.com>
26315
26316         PR tree-optimization/39698
26317         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
26318         type of the reduction variable.  Only generate the def if
26319         it is needed.
26320
26321         * omp-low.c (expand_omp_for_generic): When converting to a pointer
26322         make sure to first convert to an integer of the same precision.
26323         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
26324         the type of the evolution correctly in computing the new
26325         induction variable base.
26326
26327 2009-04-16  Richard Guenther  <rguenther@suse.de>
26328
26329         PR middle-end/39625
26330         * tree-cfg.c (make_blocks): Split statements with to-be
26331         abnormal SSA names on the lhs.
26332
26333 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
26334
26335         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
26336         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
26337         * c-typeck.c (really_start_incremental_init): Likewise.
26338         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
26339         (TARGET_INITIALIZER): Remove it.
26340         * target.h (struct target): Remove vector_opaque_p.
26341         * tree.c (build_opaque_vector_type): New.
26342         * tree.h (TYPE_VECTOR_OPAQUE): New.
26343         (build_opaque_vector_type): Declare.
26344         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
26345         * config/rs6000/rs6000.c (build_opaque_vector_type,
26346         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
26347         (rs6000_init_builtins): Use build_opaque_vector_type for
26348         opaque_V4SI_type_node.
26349
26350 2009-04-15  Catherine Moore  <clm@codesourcery.com>
26351
26352         * debug.h (set_name):  Declare.
26353         * dwarf2out.c (dwarf2out_set_name): Declare.
26354         (dwarf2_debug_hooks): Add set_name.
26355         (find_AT_string): New.
26356         (add_AT_string): Call find_AT_string.
26357         (dwarf2out_set_name): New.
26358         * cp/decl.c (grokdeclarator): Call set_name.
26359         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
26360         * debug.c (do_nothing_debug_hooks):  Likewise.
26361         * dbxout.c (dbx_debug_hooks): Likewise.
26362         * sdbout.c (sdb_debug_hooks): Likewise.
26363
26364 2009-04-15  Michael Eager  <eager@eagercon.com>
26365
26366         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
26367         reg for single-precision FPU.
26368         * config/rs6000/rs6000.md (movsi_internal1): Only for
26369         !TARGET_SINGLE_FPU.
26370         (movsi_internal1_single): New. Add pattern to move SI values to/from
26371         single-precision FP regs.
26372
26373 2009-04-15  Richard Guenther  <rguenther@suse.de>
26374
26375         * omp-low.c (lower_rec_input_clauses): Build correct address
26376         expressions.
26377         (expand_omp_for_generic): Fix multiplication type.
26378         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
26379         (generate_memset_zero): Fix types.
26380         * tree-profile.c (prepare_instrumented_value): Correctly
26381         widen a pointer.
26382
26383 2009-04-15  Ian Lance Taylor  <iant@google.com>
26384
26385         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
26386         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
26387         for -Wall and for -Wc++-compat.
26388         (c_common_post_options): For C++, set warn_enum_compare if not
26389         already set.
26390         * c-tree.h (struct c_expr): Add field original_type.
26391         (build_external_ref): Update declaration.
26392         * c-parser.c (c_parser_braced_init): Set original_type.
26393         (c_parser_initelt): Likewise.
26394         (c_parser_expr_no_commas): Likewise.
26395         (c_parser_conditional_expression): Likewise.
26396         (c_parser_cast_expression): Likewise.
26397         (c_parser_unary_expression): Likewise.  Pull setting of
26398         original_code to top of function.
26399         (c_parser_sizeof_expression): Set original_type.
26400         (c_parser_alignof_expression): Likewise.
26401         (c_parser_postfix_expression): Likewise.  Pull setting of
26402         original_code to top of function.
26403         (c_parser_postfix_expression_after_paren_type): Set original_type.
26404         (c_parser_postfix_expression_after_primary): Likewise.
26405         (c_parser_expression): Likewise.
26406         * c-typeck.c (build_external_ref): Add type parameter.  Change all
26407         callers.
26408         (c_expr_sizeof_expr): Set original_type field.
26409         (parser_build_unary_op): Likewise.
26410         (parser_build_binary_op): Likewise.  Optionally warn about
26411         comparisons of enums of different types.
26412         (digest_init): Set original_type field.
26413         (really_start_incremental_init): Likewise.
26414         (push_init_level, pop_init_level): Likewise.
26415         * doc/invoke.texi (Warning Options): -Wenum-compare now
26416         supported in C.
26417
26418 2009-04-15  Richard Guenther  <rguenther@suse.de>
26419
26420         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
26421         out a necessary conversion.
26422         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
26423         names we didn't value number.
26424         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
26425
26426 2009-04-15  Richard Guenther  <rguenther@suse.de>
26427
26428         PR tree-optimization/39764
26429         * tree-ssa-ccp.c (get_value): Canonicalize value with
26430         canonicalize_float_value.
26431
26432 2009-04-15  Jan Hubicka  <jh@suse.cz>
26433
26434         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
26435         Wrong version of patch.
26436
26437 2009-04-15  Jan Hubicka  <jh@suse.cz>
26438
26439         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
26440
26441 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
26442
26443         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
26444         our distinct integral and vector types.
26445
26446 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
26447
26448         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
26449         * init.c (build_vtbl_address): Remove call to assemble_external.
26450
26451 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
26452
26453         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
26454         output for other floating point modes.
26455
26456 2009-04-14  Diego Novillo  <dnovillo@google.com>
26457
26458         * diagnostic.c (diagnostic_report_diagnostic): Do not
26459         warn about loaded plugins for DK_ERROR and DK_WARNING.
26460         * c-decl.c (declspecs_add_type): Move call to
26461         invoke_plugin_callbacks ...
26462         * c-parser.c (c_parser_declspecs): ... here.
26463         * plugin.c (dump_active_plugins): Tidy output.
26464
26465 2009-04-14  Diego Novillo  <dnovillo@google.com>
26466             Le-Chun Wu  <lcwu@google.com>
26467
26468         * configure.ac: Add --enable-plugin support.
26469         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
26470         * Makefile.in (PLUGIN_H): Define.
26471         Export ENABLE_PLUGIN and GMPINC to site.exp.
26472         Add PLUGINLIBS to link command.
26473         Add/modify dependencies for plugin.o and files including plugin.h.
26474         (plugin.o): New.
26475         * config.in: Regenerate.
26476
26477         * opts.c (common_handle_option): Handle OPT_fplugin_ and
26478         OPT_fplugin_arg_.
26479
26480 2009-04-14  Le-Chun Wu  <lcwu@google.com>
26481
26482         * tree-pass.h (register_one_dump_file): Add a prototype for
26483         register_one_dump_file.
26484         * toplev.c (compile_file): Call initialize_plugins.
26485         (do_compile): Call invoke_plugin_callbacks.
26486         (toplev_main): Call invoke_plugin_callbacks.
26487         * common.opt: Add -fplugin= and -fplugin-arg-.
26488         * gcc-plugin.h: New public header file for plugins to include.
26489         * plugin.c: New source file.
26490         * plugin.h: New internal header file.
26491         * passes.c (register_one_dump_file): Make it external.
26492
26493         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
26494
26495 2009-04-14  Diego Novillo  <dnovillo@google.com>
26496
26497         * doc/plugins.texi: New.
26498         * doc/gccint.texi: Add reference to Plugins chapter.
26499         * doc/invoke.texi: Document -fplugin and -fplugin-arg
26500         * diagnostic.c (diagnostic_report_diagnostic): Warn about
26501         loaded plugins, if any.
26502         * timevar.def (TV_PLUGIN_INIT): Define.
26503         (TV_PLUGIN_RUN): Define.
26504         * plugin.c: Include timevar.h
26505         (plugins_active_p): New.
26506         (dump_active_plugins): New.
26507         (debug_active_plugins): New.
26508
26509 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
26510
26511         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
26512         library paths.
26513         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
26514
26515 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
26516
26517         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
26518         the same as a minus without a shift.
26519
26520 2009-04-14  Nick Clifton  <nickc@redhat.com>
26521
26522         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
26523         comparisons with small integers will always produce a short
26524         branch.
26525
26526 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
26527
26528         Merge:
26529         2008-12-19  Diego Novillo  <dnovillo@google.com>
26530
26531         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
26532
26533 2009-04-14  Richard Guenther  <rguenther@suse.de>
26534
26535         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
26536         verification.
26537         (verify_gimple_assign_binary): Likewise.  Handle shifts and
26538         rotates correctly.
26539         (verify_gimple_phi): Print the mismatched argument position.
26540         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
26541         Fix types.
26542         (vect_update_init_of_dr): Likewise.
26543         * matrix-reorg.c (transform_access_sites): Do what the
26544         comment suggests.
26545         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
26546
26547 2009-04-13  Michael Eager  <eager@eagercon.com>
26548
26549         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
26550         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
26551         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
26552         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
26553         remove duplicate config
26554
26555 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
26556
26557         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
26558         file_name:line_number type locator of the call site.
26559
26560 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
26561
26562         * genautomata.c: Put blank after comma.
26563         (automaton_decls): New.
26564         (struct unit_usage): Add comments to member next.
26565         (store_alt_unit_usage): Keep the list ordered.
26566         (unit_present_on_list_p, equal_alternatives_p): New.
26567         (check_regexp_units_distribution): Check units distribution
26568         correctness correctly.
26569         (main): Don't write automata if error is found.  Return correct
26570         exit code.
26571
26572         * config/m68k/cf.md (cfv4_ds): Remove.
26573         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
26574         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
26575
26576         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
26577         power4-load-ext, power4-store, power4-store-update,
26578         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
26579         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
26580         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
26581         power4-sqrt, power4-isync): Modify reservation to make correct
26582         unit distribution to automata.
26583
26584         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
26585         power5-store-update, power5-two, power5-three, power5-lmul,
26586         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
26587
26588 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
26589
26590         * except.c (pass_set_nothrow_function_flags): Set name and add
26591         TODO_dump_func.
26592         (set_nothrow_function_flags): Mention in the dump file when
26593         changing a function to nothrow.
26594
26595 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
26596
26597         PR/39066
26598         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
26599         instead of unsigned long.
26600
26601 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
26602
26603         * config/arm/arm.c (return_used_this_function): Remove.
26604         (arm_output_function_prologue): Remove use of
26605         return_used_this_function.
26606         (output_return_instruction): Replace use of
26607         return_used_this_function
26608         by cfun->machine->return_used_this_function.
26609         (arm_output_epilogue): Likewise.
26610         (arm_output_function_epilogue): Likewise.
26611         (thumb_unexpanded_epilogue): Likewise.
26612         * config/arm/arm.h (struct machine_function):
26613         New member return_used_this_function.
26614
26615 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
26616
26617         * doc/install.texi: Correct description of default directory for
26618         --with-gxx-include-dir.
26619
26620 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
26621
26622         * fold-const.c (build_range_check): Properly deal with enumeral and
26623         boolean base types.
26624
26625 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
26626
26627         * doc/invoke.texi (max_gcse_passes): Remove documentation.
26628         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
26629         * params.h (MAX_GCSE_PASSES): Remove.
26630         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
26631         in sequence.  Remove ability to run multiple passes.
26632         (bypass_jumps): Report run as third CPROP pass.
26633
26634 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
26635
26636         PR middle-end/39651
26637         * except.c (can_throw_external): Look at each insn in a SEQUENCE
26638         when deciding whether the whole SEQUENCE can throw.
26639
26640 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
26641
26642         PR target/39740
26643         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
26644         offseted label references.
26645
26646 2009-04-11  Jan Hubicka  <jh@suse.cz>
26647
26648         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
26649
26650 2009-04-11  Richard Guenther  <rguenther@suse.de>
26651
26652         PR middle-end/39732
26653         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
26654         return variables as TREE_ADDRESSABLE.
26655
26656 2009-04-11  Richard Guenther  <rguenther@suse.de>
26657
26658         PR tree-optimization/39713
26659         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
26660         reference trees have SSA_NAME operands.
26661
26662 2009-04-11  Richard Guenther  <rguenther@suse.de>
26663
26664         PR c/39712
26665         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
26666         address expressions.
26667
26668 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
26669
26670         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
26671         match changes in Cygwin 1.7
26672         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
26673         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
26674
26675 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
26676
26677         PR tree-optimization/39701
26678         * doc/invoke.texi (Optimization Options): Document change in
26679         meaning and initialization of -fdelete-null-pointer-checks.
26680
26681 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
26682
26683         PR middle-end/39701
26684         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
26685
26686         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
26687         here.
26688
26689         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
26690
26691 2009-04-10  Chao-ying Fu  <fu@mips.com>
26692
26693         * doc/tm.texi (Instruction Output): Document
26694         TARGET_ASM_FINAL_POSTSCAN_INSN.
26695         * target.h (final_postscan_insn): New field in asm_out.
26696         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
26697         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
26698         * final.c (final_scan_insn): Call
26699         targetm.asm_out.final_postscan_insn after outputting
26700         an asm macro and a normal instruction.
26701
26702         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
26703         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
26704         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
26705         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
26706         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
26707
26708 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
26709
26710         PR middle-end/39701
26711         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
26712         variables as non-NULL even with -fdelete-null-pointer-checks.
26713
26714 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
26715
26716         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
26717
26718 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
26719
26720         PR target/39678
26721         * config/i386/i386.c (classify_argument): Handle SCmode with
26722         (bit_offset % 64) != 0.
26723
26724 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
26725
26726         * doc/invoke.texi (Optimize Options): Add cross-reference to
26727         -Q --help=optimizers examples.
26728
26729 2009-04-10  Ben Elliston  <bje@au.ibm.com>
26730
26731         PR target/36800
26732         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
26733         regalign for the reg == fpr and TDmode case.
26734
26735 2009-04-09  David Ayers  <ayers@fsfe.org>
26736
26737         PR objc/29200
26738         * objc/objc-act.c (warn_with_method): Remove helper function.
26739         (check_duplicates): Call warning and inform directly.
26740         (really_start_method): Likewise.
26741
26742 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
26743
26744         * expmed.c (expand_divmod): Always use a comparison for a division
26745         by a large unsigned integer.
26746
26747         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
26748         for things others than variables or functions as nonzero.
26749
26750 2009-04-09  Nick Clifton  <nickc@redhat.com>
26751
26752         * unwind-compat.c: Change copyright header to refer to version
26753         3 of the GNU General Public License with version 3.1 of the
26754         GCC Runtime Library Exception and to point readers at the
26755         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
26756         * config/alpha/crtfastmath.c: Likewise.
26757         * config/alpha/linux-unwind.h: Likewise.
26758         * config/alpha/qrnnd.asm: Likewise.
26759         * config/alpha/vms-crt0-64.c: Likewise.
26760         * config/alpha/vms-crt0.c: Likewise.
26761         * config/alpha/vms-dwarf2.asm: Likewise.
26762         * config/alpha/vms-dwarf2eh.asm: Likewise.
26763         * config/alpha/vms-psxcrt0-64.c: Likewise.
26764         * config/alpha/vms-psxcrt0.c: Likewise.
26765         * config/alpha/vms_tramp.asm: Likewise.
26766         * config/arc/initfini.c: Likewise.
26767         * config/arc/lib1funcs.asm: Likewise.
26768         * config/arm/bpabi-v6m.S: Likewise.
26769         * config/arm/bpabi.S: Likewise.
26770         * config/arm/bpabi.c: Likewise.
26771         * config/arm/crti.asm: Likewise.
26772         * config/arm/crtn.asm: Likewise.
26773         * config/arm/ieee754-df.S: Likewise.
26774         * config/arm/ieee754-sf.S: Likewise.
26775         * config/arm/lib1funcs.asm: Likewise.
26776         * config/arm/libunwind.S: Likewise.
26777         * config/arm/linux-atomic.c: Likewise.
26778         * config/arm/mmintrin.h: Likewise.
26779         * config/arm/pr-support.c: Likewise.
26780         * config/arm/unaligned-funcs.c: Likewise.
26781         * config/arm/unwind-arm.c: Likewise.
26782         * config/arm/unwind-arm.h: Likewise.
26783         * config/avr/libgcc.S: Likewise.
26784         * config/bfin/crti.s: Likewise.
26785         * config/bfin/crtlibid.s: Likewise.
26786         * config/bfin/crtn.s: Likewise.
26787         * config/bfin/lib1funcs.asm: Likewise.
26788         * config/bfin/linux-unwind.h: Likewise.
26789         * config/cris/arit.c: Likewise.
26790         * config/cris/cris_abi_symbol.c: Likewise.
26791         * config/darwin-64.c: Likewise.
26792         * config/darwin-crt2.c: Likewise.
26793         * config/darwin-crt3.c: Likewise.
26794         * config/darwin.h: Likewise.
26795         * config/dbxelf.h: Likewise.
26796         * config/dfp-bit.c: Likewise.
26797         * config/dfp-bit.h: Likewise.
26798         * config/elfos.h: Likewise.
26799         * config/fixed-bit.c: Likewise.
26800         * config/fixed-bit.h: Likewise.
26801         * config/fp-bit.c: Likewise.
26802         * config/fp-bit.h: Likewise.
26803         * config/fr30/crti.asm: Likewise.
26804         * config/fr30/crtn.asm: Likewise.
26805         * config/fr30/lib1funcs.asm: Likewise.
26806         * config/freebsd-spec.h: Likewise.
26807         * config/frv/cmovd.c: Likewise.
26808         * config/frv/cmovh.c: Likewise.
26809         * config/frv/cmovw.c: Likewise.
26810         * config/frv/frvbegin.c: Likewise.
26811         * config/frv/frvend.c: Likewise.
26812         * config/frv/lib1funcs.asm: Likewise.
26813         * config/glibc-stdint.h: Likewise.
26814         * config/h8300/clzhi2.c: Likewise.
26815         * config/h8300/crti.asm: Likewise.
26816         * config/h8300/crtn.asm: Likewise.
26817         * config/h8300/ctzhi2.c: Likewise.
26818         * config/h8300/fixunssfsi.c: Likewise.
26819         * config/h8300/lib1funcs.asm: Likewise.
26820         * config/h8300/parityhi2.c: Likewise.
26821         * config/h8300/popcounthi2.c: Likewise.
26822         * config/i386/ammintrin.h: Likewise.
26823         * config/i386/att.h: Likewise.
26824         * config/i386/avxintrin.h: Likewise.
26825         * config/i386/biarch64.h: Likewise.
26826         * config/i386/bmmintrin.h: Likewise.
26827         * config/i386/cpuid.h: Likewise.
26828         * config/i386/cross-stdarg.h: Likewise.
26829         * config/i386/crtfastmath.c: Likewise.
26830         * config/i386/crtprec.c: Likewise.
26831         * config/i386/cygming-crtbegin.c: Likewise.
26832         * config/i386/cygming-crtend.c: Likewise.
26833         * config/i386/cygwin.asm: Likewise.
26834         * config/i386/emmintrin.h: Likewise.
26835         * config/i386/gmm_malloc.h: Likewise.
26836         * config/i386/gthr-win32.c: Likewise.
26837         * config/i386/i386.h: Likewise.
26838         * config/i386/immintrin.h: Likewise.
26839         * config/i386/linux-unwind.h: Likewise.
26840         * config/i386/linux64.h: Likewise.
26841         * config/i386/mm3dnow.h: Likewise.
26842         * config/i386/mmintrin-common.h: Likewise.
26843         * config/i386/mmintrin.h: Likewise.
26844         * config/i386/nmmintrin.h: Likewise.
26845         * config/i386/pmm_malloc.h: Likewise.
26846         * config/i386/pmmintrin.h: Likewise.
26847         * config/i386/smmintrin.h: Likewise.
26848         * config/i386/sol2-c1.asm: Likewise.
26849         * config/i386/sol2-ci.asm: Likewise.
26850         * config/i386/sol2-cn.asm: Likewise.
26851         * config/i386/sol2-gc1.asm: Likewise.
26852         * config/i386/tmmintrin.h: Likewise.
26853         * config/i386/unix.h: Likewise.
26854         * config/i386/w32-unwind.h: Likewise.
26855         * config/i386/wmmintrin.h: Likewise.
26856         * config/i386/x86-64.h: Likewise.
26857         * config/i386/x86intrin.h: Likewise.
26858         * config/i386/xmmintrin.h: Likewise.
26859         * config/ia64/crtbegin.asm: Likewise.
26860         * config/ia64/crtend.asm: Likewise.
26861         * config/ia64/crtfastmath.c: Likewise.
26862         * config/ia64/crti.asm: Likewise.
26863         * config/ia64/crtn.asm: Likewise.
26864         * config/ia64/fde-glibc.c: Likewise.
26865         * config/ia64/lib1funcs.asm: Likewise.
26866         * config/ia64/linux-unwind.h: Likewise.
26867         * config/ia64/quadlib.c: Likewise.
26868         * config/ia64/unwind-ia64.c: Likewise.
26869         * config/linux.h: Likewise.
26870         * config/m32c/m32c-lib1.S: Likewise.
26871         * config/m32c/m32c-lib2-trapv.c: Likewise.
26872         * config/m32c/m32c-lib2.c: Likewise.
26873         * config/m32r/initfini.c: Likewise.
26874         * config/m68hc11/larith.asm: Likewise.
26875         * config/m68hc11/m68hc11-crt0.S: Likewise.
26876         * config/m68k/cf.md: Likewise.
26877         * config/m68k/crti.s: Likewise.
26878         * config/m68k/crtn.s: Likewise.
26879         * config/m68k/lb1sf68.asm: Likewise.
26880         * config/m68k/linux-unwind.h: Likewise.
26881         * config/mcore/crti.asm: Likewise.
26882         * config/mcore/crtn.asm: Likewise.
26883         * config/mcore/lib1.asm: Likewise.
26884         * config/mips/linux-unwind.h: Likewise.
26885         * config/mips/loongson.h: Likewise.
26886         * config/mips/mips16.S: Likewise.
26887         * config/mmix/crti.asm: Likewise.
26888         * config/mmix/crtn.asm: Likewise.
26889         * config/pa/fptr.c: Likewise.
26890         * config/pa/hpux-unwind.h: Likewise.
26891         * config/pa/lib2funcs.asm: Likewise.
26892         * config/pa/linux-atomic.c: Likewise.
26893         * config/pa/linux-unwind.h: Likewise.
26894         * config/pa/milli64.S: Likewise.
26895         * config/pa/quadlib.c: Likewise.
26896         * config/pa/stublib.c: Likewise.
26897         * config/picochip/libgccExtras/adddi3.asm: Likewise.
26898         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
26899         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
26900         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
26901         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
26902         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
26903         * config/picochip/libgccExtras/divmod15.asm: Likewise.
26904         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
26905         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
26906         * config/picochip/libgccExtras/longjmp.asm: Likewise.
26907         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
26908         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
26909         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
26910         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
26911         * config/picochip/libgccExtras/setjmp.asm: Likewise.
26912         * config/picochip/libgccExtras/subdi3.asm: Likewise.
26913         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
26914         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
26915         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
26916         * config/rs6000/750cl.h: Likewise.
26917         * config/rs6000/altivec.h: Likewise.
26918         * config/rs6000/biarch64.h: Likewise.
26919         * config/rs6000/crtresfpr.asm: Likewise.
26920         * config/rs6000/crtresgpr.asm: Likewise.
26921         * config/rs6000/crtresxfpr.asm: Likewise.
26922         * config/rs6000/crtresxgpr.asm: Likewise.
26923         * config/rs6000/crtsavfpr.asm: Likewise.
26924         * config/rs6000/crtsavgpr.asm: Likewise.
26925         * config/rs6000/darwin-asm.h: Likewise.
26926         * config/rs6000/darwin-fallback.c: Likewise.
26927         * config/rs6000/darwin-fpsave.asm: Likewise.
26928         * config/rs6000/darwin-ldouble.c: Likewise.
26929         * config/rs6000/darwin-tramp.asm: Likewise.
26930         * config/rs6000/darwin-unwind.h: Likewise.
26931         * config/rs6000/darwin-vecsave.asm: Likewise.
26932         * config/rs6000/darwin-world.asm: Likewise.
26933         * config/rs6000/e500crtres32gpr.asm: Likewise.
26934         * config/rs6000/e500crtres64gpr.asm: Likewise.
26935         * config/rs6000/e500crtres64gprctr.asm: Likewise.
26936         * config/rs6000/e500crtrest32gpr.asm: Likewise.
26937         * config/rs6000/e500crtrest64gpr.asm: Likewise.
26938         * config/rs6000/e500crtresx32gpr.asm: Likewise.
26939         * config/rs6000/e500crtresx64gpr.asm: Likewise.
26940         * config/rs6000/e500crtsav32gpr.asm: Likewise.
26941         * config/rs6000/e500crtsav64gpr.asm: Likewise.
26942         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
26943         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
26944         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
26945         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
26946         * config/rs6000/eabi-ci.asm: Likewise.
26947         * config/rs6000/eabi-cn.asm: Likewise.
26948         * config/rs6000/eabi.asm: Likewise.
26949         * config/rs6000/linux-unwind.h: Likewise.
26950         * config/rs6000/linux64.h: Likewise.
26951         * config/rs6000/paired.h: Likewise.
26952         * config/rs6000/paired.md: Likewise.
26953         * config/rs6000/ppc64-fp.c: Likewise.
26954         * config/rs6000/ppu_intrinsics.h: Likewise.
26955         * config/rs6000/rs6000.h: Likewise.
26956         * config/rs6000/si2vmx.h: Likewise.
26957         * config/rs6000/sol-ci.asm: Likewise.
26958         * config/rs6000/sol-cn.asm: Likewise.
26959         * config/rs6000/spe.h: Likewise.
26960         * config/rs6000/spu2vmx.h: Likewise.
26961         * config/rs6000/sysv4.h: Likewise.
26962         * config/rs6000/tramp.asm: Likewise.
26963         * config/rs6000/vec_types.h: Likewise.
26964         * config/s390/linux-unwind.h: Likewise.
26965         * config/s390/tpf-unwind.h: Likewise.
26966         * config/score/crti.asm: Likewise.
26967         * config/score/crtn.asm: Likewise.
26968         * config/sh/crt1.asm: Likewise.
26969         * config/sh/crti.asm: Likewise.
26970         * config/sh/crtn.asm: Likewise.
26971         * config/sh/divtab-sh4-300.c: Likewise.
26972         * config/sh/divtab-sh4.c: Likewise.
26973         * config/sh/divtab.c: Likewise.
26974         * config/sh/lib1funcs-4-300.asm: Likewise.
26975         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
26976         * config/sh/lib1funcs.asm: Likewise.
26977         * config/sh/lib1funcs.h: Likewise.
26978         * config/sh/linux-atomic.asm: Likewise.
26979         * config/sh/linux-unwind.h: Likewise.
26980         * config/sh/shmedia.h: Likewise.
26981         * config/sh/sshmedia.h: Likewise.
26982         * config/sh/ushmedia.h: Likewise.
26983         * config/sparc/crtfastmath.c: Likewise.
26984         * config/sparc/linux-unwind.h: Likewise.
26985         * config/sparc/sol2-c1.asm: Likewise.
26986         * config/sparc/sol2-ci.asm: Likewise.
26987         * config/sparc/sol2-cn.asm: Likewise.
26988         * config/spu/divmodti4.c: Likewise.
26989         * config/spu/divv2df3.c: Likewise.
26990         * config/spu/float_disf.c: Likewise.
26991         * config/spu/float_unsdidf.c: Likewise.
26992         * config/spu/float_unsdisf.c: Likewise.
26993         * config/spu/float_unssidf.c: Likewise.
26994         * config/spu/mfc_multi_tag_release.c: Likewise.
26995         * config/spu/mfc_multi_tag_reserve.c: Likewise.
26996         * config/spu/mfc_tag_release.c: Likewise.
26997         * config/spu/mfc_tag_reserve.c: Likewise.
26998         * config/spu/mfc_tag_table.c: Likewise.
26999         * config/spu/multi3.c: Likewise.
27000         * config/spu/spu_internals.h: Likewise.
27001         * config/spu/spu_intrinsics.h: Likewise.
27002         * config/spu/spu_mfcio.h: Likewise.
27003         * config/spu/vec_types.h: Likewise.
27004         * config/spu/vmx2spu.h: Likewise.
27005         * config/stormy16/stormy16-lib2.c: Likewise.
27006         * config/svr4.h: Likewise.
27007         * config/sync.c: Likewise.
27008         * config/v850/lib1funcs.asm: Likewise.
27009         * config/vxlib-tls.c: Likewise.
27010         * config/vxlib.c: Likewise.
27011         * config/vxworks-dummy.h: Likewise.
27012         * config/xtensa/crti.asm: Likewise.
27013         * config/xtensa/crtn.asm: Likewise.
27014         * config/xtensa/ieee754-df.S: Likewise.
27015         * config/xtensa/ieee754-sf.S: Likewise.
27016         * config/xtensa/lib1funcs.asm: Likewise.
27017         * config/xtensa/lib2funcs.S: Likewise.
27018         * config/xtensa/linux-unwind.h: Likewise.
27019         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
27020         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
27021         * coretypes.h: Likewise.
27022         * crtstuff.c: Likewise.
27023         * defaults.h: Likewise.
27024         * dwarf2.h: Likewise.
27025         * emutls.c: Likewise.
27026         * gbl-ctors.h: Likewise.
27027         * gcov-io.h: Likewise.
27028         * ginclude/float.h: Likewise.
27029         * ginclude/iso646.h: Likewise.
27030         * ginclude/stdarg.h: Likewise.
27031         * ginclude/stdbool.h: Likewise.
27032         * ginclude/stddef.h: Likewise.
27033         * ginclude/stdfix.h: Likewise.
27034         * ginclude/stdint-gcc.h: Likewise.
27035         * ginclude/tgmath.h: Likewise.
27036         * gthr-aix.h: Likewise.
27037         * gthr-dce.h: Likewise.
27038         * gthr-gnat.c: Likewise.
27039         * gthr-gnat.h: Likewise.
27040         * gthr-lynx.h: Likewise.
27041         * gthr-mipssde.h: Likewise.
27042         * gthr-nks.h: Likewise.
27043         * gthr-posix.c: Likewise.
27044         * gthr-posix.h: Likewise.
27045         * gthr-posix95.h: Likewise.
27046         * gthr-rtems.h: Likewise.
27047         * gthr-single.h: Likewise.
27048         * gthr-solaris.h: Likewise.
27049         * gthr-tpf.h: Likewise.
27050         * gthr-vxworks.h: Likewise.
27051         * gthr-win32.h: Likewise.
27052         * gthr.h: Likewise.
27053         * libgcc2.c: Likewise.
27054         * libgcc2.h: Likewise.
27055         * libgcov.c: Likewise.
27056         * tsystem.h: Likewise.
27057         * typeclass.h: Likewise.
27058         * unwind-c.c: Likewise.
27059         * unwind-compat.h: Likewise.
27060         * unwind-dw2-fde-compat.c: Likewise.
27061         * unwind-dw2-fde-darwin.c: Likewise.
27062         * unwind-dw2-fde-glibc.c: Likewise.
27063         * unwind-dw2-fde.c: Likewise.
27064         * unwind-dw2-fde.h: Likewise.
27065         * unwind-dw2.c: Likewise.
27066         * unwind-dw2.h: Likewise.
27067         * unwind-generic.h: Likewise.
27068         * unwind-pe.h: Likewise.
27069         * unwind-sjlj.c: Likewise.
27070         * unwind.inc: Likewise.
27071         * config/arm/neon-gen.ml: Change generated copyright header to
27072         refer to version 3 of the GNU General Public License with
27073         version 3.1 of the GCC Runtime Library Exception and to point
27074         readers at the COPYING3 and COPYING3.RUNTIME files and the
27075         FSF's license web page.
27076         * config/arm/arm_neon.h: Regenerate.
27077
27078 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
27079
27080         * config/cris/cris.md: Change copyright header to refer to version
27081         3 of the GNU General Public License.
27082         * doc/install.texi2html: Change copyright header to refer to version
27083         3 of the GNU General Public License and to point readers at the
27084         COPYING3 file and the FSF's license web page.
27085         * config/vax/linux.h: Likewise.
27086
27087 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
27088
27089         * config/i386/i386.md (cmpcc): New.
27090         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
27091         (sync_compare_and_swap_cc*): Delete.
27092
27093         * config/s390/s390.c (s390_compare_emitted): Remove.
27094         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
27095         s390_compare_emitted used to be handled.  Assert that modes match.
27096         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
27097         refer to sync_compare_and_swap_ccsi.
27098         * config/s390/s390.h (s390_compare_emitted): Remove.
27099         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
27100         instead of s390_compare_emitted.
27101         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
27102         instead of s390_compare_emitted.
27103         * config/s390/s390.md (cmpcc): New.
27104         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
27105         CC_REGNUM, do not pretend it's set.
27106         (sync_compare_and_swap_cc*): Delete.
27107         * config/s390/predicates.md (cc_reg_operand): New.
27108
27109         * expr.c (sync_compare_and_swap_cc): Delete.
27110         * optabs.h (sync_compare_and_swap_cc): Delete.
27111         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
27112         is being used with can_compare_p.
27113         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
27114         (find_cc_set): New.
27115         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
27116         look for a MODE_CC set instead.  Use emit_store_flag.
27117         (expand_compare_and_swap_loop): Likewise, with some additional
27118         complication to avoid a force_reg when useless.  Use
27119         emit_cmp_and_jump_insns.
27120         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
27121         * doc/md.texi (sync_compare_and_swap_cc): Merge with
27122         sync_compare_and_swap documentation.
27123
27124 2009-04-09  Jan Hubicka  <jh@suse.cz>
27125
27126         * except.c (find_prev_try): Break out from ....
27127         (duplicate_eh_regions): ... here; properly update prev_try pointers
27128         when duplication part of tree.
27129         (dump_eh_tree): Improve dumping.
27130         (verify_eh_region): New.
27131         (verify_eh_tree): Use it.
27132
27133 2009-04-06  Richard Guenther  <rguenther@suse.de>
27134
27135         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
27136         &ARRAY addresses by adjusting their types and prepending
27137         a conversion.
27138         * tree-cfg.c (verify_gimple_assign_single): Verify that
27139         addresses are correct.
27140
27141 2009-04-09  Richard Guenther  <rguenther@suse.de>
27142
27143         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
27144         indices into an array reference if possible.
27145         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
27146         Fold POINTER_PLUS_EXPR statements with invariant address.
27147
27148 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
27149
27150         PR target/39634
27151         * config.gcc (powerpc64-*-linux*): Always build biarch.
27152
27153 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
27154
27155         PR c/39613
27156         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
27157         it and pedwarn if this results in an INTEGER_CST.
27158
27159 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27160
27161         * doc/install.texi: Update minimum GMP version.  Remove obsolete
27162         text in MPFR section.
27163
27164 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
27165
27166         * dwarf2out.c (class_scope_p): New static inline.
27167         (class_or_namespace_scope_p): Use it.
27168         (gen_variable_die): Use DW_TAG_member tag for static data member
27169         declarations instead of DW_TAG_variable.
27170
27171         PR middle-end/39573
27172         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
27173         variables.
27174
27175 2009-04-08  Richard Guenther  <rguenther@suse.de>
27176
27177         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
27178         valueize random data.
27179
27180 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
27181
27182         * config.gcc (aix tm_file):  Add aix-stdint.h.
27183         (aix tm clause use_gcc_stdint):  Set to wrap.
27184         * config/rs6000/aix-stdint.h:  New file.
27185
27186 2009-04-08  Richard Guenther  <rguenther@suse.de>
27187
27188         PR middle-end/36291
27189         * tree-dfa.c (add_referenced_var): Do not recurse into
27190         global initializers.
27191         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
27192         exposed variables.
27193         (fold_const_aggregate_ref): Likewise.
27194
27195 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
27196
27197         * recog.c (ordered_comparison_operator): New.
27198         * gensupport.c (std_preds): Add it.
27199         * doc/md.texi (Machine-Independent Predicates): Document it.
27200
27201 2009-04-08  Jan Hubicka  <jh@suse.cz>
27202
27203         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
27204         * function.h (rtl_eh): Remove exception_handler_label_map.
27205         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
27206         remove_exception_handler_label, for_each_eh_label_1): Remove.
27207         (rtl_remove_unreachable_regions): Remove.
27208         (convert_from_eh_region_ranges): Do not remove unreachable regions.
27209         (find_exception_handler_labels): Don't build the hashtable.
27210         (maybe_remove_eh_handler): Remove.
27211         (for_each_eh_label): Rewrite to walk the tree.
27212         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
27213         * except.h (maybe_remove_eh_handler): Remove.
27214         * passes.c (init_optimization_passes): Schedule second EH cleanup
27215         before out-of-ssa.
27216         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
27217         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
27218
27219 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
27220
27221         * genoutput.c (validate_optab_operands): New.
27222         (gen_insn, gen_expand): Call it.
27223
27224         * genflags.c (gen_insn): Detect misused iterators.
27225         (main): Pass line_no to gen_insn, exit with status 1 on error.
27226
27227         * genextract.c (line_no): Make global.
27228         (VEC_safe_set_locstr): Change assertion to error message.
27229         (main): Exit with status 1 on error.
27230
27231 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
27232
27233         PR c/39614
27234         PR c/39673
27235         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
27236         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
27237         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
27238         * c-convert.c (convert): Do not call fold on results of conversion
27239         functions when the result is a C_MAYBE_CONST_EXPR.
27240         * c-parser.c (c_parser_postfix_expression): Do not fold condition
27241         of __builtin_choose_expr.
27242         * c-typeck.c (remove_c_maybe_const_expr): New.
27243         (build_unary_op, build_conditional_expr, build_compound_expr,
27244         build_binary_op, c_objc_common_truthvalue_conversion): Call
27245         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
27246         integer operands.
27247
27248 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
27249
27250         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
27251         CODE to produce a new one. Add a prototype to use fold_convert_const
27252
27253 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
27254
27255         PR bootstrap/39660
27256         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
27257         mix declarations and code.
27258
27259 2009-04-08  Ben Elliston  <bje@au.ibm.com>
27260
27261         * gcc.c: Replace `CC' with `GCC' throughout.
27262
27263 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
27264
27265         * doc/invoke.texi: Document Atom support.
27266
27267 2009-04-07  Jason Merrill  <jason@redhat.com>
27268
27269         PR c++/25185
27270         * c-common.h, c-common.c: Add flag_pretty_templates.
27271         * c-opts.c (c_common_handle_option): Set it.
27272         * c.opt: Add -fno-pretty-templates.
27273         * doc/invoke.texi (C++ Dialect Options): Likewise.
27274
27275 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
27276
27277         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
27278         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
27279         (ia64_expand_builtin): Likewise.
27280
27281 2009-04-07  Martin Jambor  <mjambor@suse.cz>
27282
27283         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
27284         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
27285         ADDR_EXPRS are include too.
27286
27287 2009-04-07  Richard Guenther  <rguenther@suse.de>
27288
27289         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
27290         decls are only used if passes as parameters or if they are
27291         local statics and the call is not to a builtin.
27292         (call_may_clobber_ref_p_1): Likewise.
27293
27294 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27295
27296         * expr.c (do_store_flag): Remove last argument.  Simplify code
27297         to avoid duplication of tests already done by can_compare_p.
27298         (expand_expr_real_1): Adjust caller.
27299
27300 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27301
27302         * optabs.c (can_compare_p): Test the predicate of a
27303         cbranch and cstore pattern.
27304
27305 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27306
27307         * expr.c (convert_move): Use emit_store_flag instead of
27308         "emulating" it.
27309
27310 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
27311
27312         * config/i386/i386.c (ix86_compare_emitted): Remove.
27313         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
27314         ix86_compare_op0 like ix86_compare_emitted used to be handled.
27315         * config/i386/i386.h (ix86_compare_emitted): Remove.
27316         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
27317         instead of ix86_compare_emitted.
27318         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
27319
27320 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
27321
27322         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
27323         Add t-sysroot-suffix to tmake_file.
27324         * config/print-sysroot-suffix.sh: New file.
27325         * config/t-sysroot-suffix: New file.
27326
27327 2009-04-07  Ben Elliston  <bje@au.ibm.com>
27328
27329         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
27330         as the latter produces a warning when the target does not support
27331         infinity.
27332
27333 2009-04-07  Ben Elliston  <bje@au.ibm.com>
27334
27335         * dfp.c: Replace type punning assignments with memcpy throughout.
27336         * Makefile.in (dfp.o-warn): Remove.
27337
27338 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
27339
27340         PR target/39634
27341         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
27342         Include soft-fp/t-softfp after rs6000/t-linux64.
27343
27344 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
27345
27346         * stor-layout.c (set_sizetype): Use the full precision of their
27347         machine mode for bitsize types.
27348
27349 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
27350
27351         * config/i386/i386.md: Revert 2 accidental checkins.
27352
27353 2009-04-06  Joey Ye  <joey.ye@intel.com>
27354             Xuepeng Guo  <xuepeng.guo@intel.com>
27355             H.J. Lu  <hongjiu.lu@intel.com>
27356
27357         Atom pipeline model, tuning and insn selection.
27358         * config.gcc (atom): Add atom config options and target.
27359
27360         * config/i386/atom.md: New.
27361
27362         * config/i386/i386.c (atom_cost): New cost.
27363         (m_ATOM): New macro flag.
27364         (initial_ix86_tune_features): Set m_ATOM.
27365         (x86_accumulate_outgoing_args): Likewise.
27366         (x86_arch_always_fancy_math_387): Likewise.
27367         (processor_target): Add Atom cost.
27368         (cpu_names): Add Atom cpu name.
27369         (override_options): Set Atom ISA.
27370         (ix86_issue_rate): New case PROCESSOR_ATOM.
27371         (ix86_adjust_cost): Likewise.
27372
27373         * config/i386/i386.h (TARGET_ATOM): New target macro.
27374         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
27375         (TARGET_OPT_AGU): New target option.
27376         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
27377         (processor_type): Add PROCESSOR_ATOM.
27378
27379         * config/i386/i386.md (cpu): Add new value "atom".
27380         (use_carry, movu): New attr.
27381         (atom.md): Include atom.md.
27382         (adddi3_carry_rex64): Set attr "use_carry".
27383         (addqi3_carry): Likewise.
27384         (addhi3_carry): Likewise.
27385         (addsi3_carry): Likewise.
27386         (*addsi3_carry_zext): Likewise.
27387         (subdi3_carry_rex64): Likewise.
27388         (subqi3_carry): Likewise.
27389         (subhi3_carry): Likewise.
27390         (subsi3_carry): Likewise.
27391         (x86_movdicc_0_m1_rex64): Likewise.
27392         (*x86_movdicc_0_m1_se): Likewise.
27393         (x86_movsicc_0_m1): Likewise.
27394         (*x86_movsicc_0_m1_se): Likewise.
27395         (*adddi_1_rex64): Emit add insn as much as possible.
27396         (*addsi_1): Likewise.
27397         (return_internal): Set atom_unit.
27398         (return_internal_long): Likewise.
27399         (return_pop_internal): Likewise.
27400         (*rcpsf2_sse): Set atom_sse_attr attr.
27401         (*qrt<mode>2_sse): Likewise.
27402         (*prefetch_sse): Likewise.
27403
27404         * config/i386/i386-c.c (ix86_target_macros_internal): New case
27405         PROCESSOR_ATOM.
27406         (ix86_target_macros_internal): Likewise.
27407
27408         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
27409         (*prefetch_sse_rex): Likewise.
27410         (sse_rcpv4sf2): Likewise.
27411         (sse_vmrcpv4sf2): Likewise.
27412         (sse_sqrtv4sf2): Likewise.
27413         (<sse>_vmsqrt<mode>2): Likewise.
27414         (sse_ldmxcsr): Likewise.
27415         (sse_stmxcsr): Likewise.
27416         (*sse_sfence): Likewise.
27417         (sse2_clflush): Likewise.
27418         (*sse2_mfence): Likewise.
27419         (*sse2_lfence): Likewise.
27420         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
27421         (<sse>_movup<ssemodesuffixf2c>): Likewise.
27422         (avx_movdqu<avxmodesuffix>): Likewise.
27423         (avx_lddqu<avxmodesuffix>): Likewise.
27424         (sse2_movntv2di): Change attr "type" to "ssemov".
27425         (sse2_movntsi): Likewise.
27426         (rsqrtv8sf2): Change attr "type" to "sseadd".
27427         (sse3_addsubv2df3): Set attr "atom_unit".
27428         (sse3_h<plusminus_insn>v4sf3): Likewise.
27429         (*sse2_pmaddwd): Likewise.
27430         (*vec_extractv2di_1_rex64): Likewise.
27431         (*vec_extractv2di_1_avx): Likewise.
27432         (sse2_psadbw): Likewise.
27433         (ssse3_phaddwv8hi3): Likewise.
27434         (ssse3_phaddwv4hi3): Likewise.
27435         (ssse3_phadddv4si3): Likewise.
27436         (ssse3_phadddv2si3): Likewise.
27437         (ssse3_phaddswv8hi3): Likewise.
27438         (ssse3_phaddswv4hi3): Likewise.
27439         (ssse3_phsubwv8hi3): Likewise.
27440         (ssse3_phsubwv4hi3): Likewise.
27441         (ssse3_phsubdv4si3): Likewise.
27442         (ssse3_phsubdv2si3): Likewise.
27443         (ssse3_phsubswv8hi3): Likewise.
27444         (ssse3_phsubswv4hi3): Likewise.
27445         (ssse3_pmaddubsw128): Likewise.
27446         (sse3_pmaddubsw: Likewise.
27447         (ssse3_palignrti): Likewise.
27448         (ssse3_palignrdi): Likewise.
27449
27450 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
27451
27452         * doc/install.texi (Specific): Fix two cross-references to MinGW.
27453
27454 2009-04-06  Richard Guenther  <rguenther@suse.de>
27455
27456         PR tree-optimization/28868
27457         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
27458         of which PHI results we inserted.
27459         (insert_into_preds_of_block): Record inserted PHIs.
27460         (eliminate): Eliminate redundant PHI nodes.
27461         (init_pre): Init inserted_phi_names.
27462
27463 2009-04-06  Richard Guenther  <rguenther@suse.de>
27464
27465         PR tree-optimization/39643
27466         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
27467         IMAGPART_EXPRs of complex constants.
27468         (execute_fold_all_builtins): If we folded a call queue
27469         TODO_update_address_taken.
27470
27471 2009-04-06  Jan Hubicka  <jh@suse.cz>
27472
27473         PR middle-end/39659
27474         * except.c (remove_unreachable_regions): Propagate may_contain_throw
27475         flag.
27476
27477 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
27478
27479         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
27480         delay slot.
27481         (ic_invalidate_array): Likewise.
27482
27483 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
27484
27485         * calls.c (emit_library_call_value_1): Fix a problem with parameter
27486         alignment for library calls.
27487
27488 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
27489
27490         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
27491         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
27492         * config/i386/mingw-stdint.h:  New file.
27493
27494 2009-04-05  Richard Guenther  <rguenther@suse.de>
27495
27496         PR tree-optimization/39648
27497         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
27498         our &A vs. &A[0] IL deficiencies.
27499
27500 2009-04-04  Jan Hubicka  <jh@suse.cz>
27501
27502         * except.c (sjlj_find_directly_reachable_regions): Be ready for
27503         removed toplevel regions.
27504         (sjlj_mark_call_sites): Likewise.
27505
27506 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
27507
27508         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
27509         (cygwin tm clause use_gcc_stdint):  Set to wrap.
27510         * config/i386/cygwin-stdint.h:  New file.
27511
27512 2009-04-04  Richard Guenther  <rguenther@suse.de>
27513
27514         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
27515         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
27516         single-argument PHIs if we are in loop-closed SSA form.
27517         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
27518         for the pre-condition.
27519         (slpeel_tree_peel_loop_to_edge): Likewise.
27520         (vect_build_loop_niters): Take an optional sequence to append stmts.
27521         (vect_generate_tmps_on_preheader): Likewise.
27522         (vect_do_peeling_for_loop_bound): Take extra guards for the
27523         pre-condition.
27524         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
27525         the cost model check.
27526         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
27527         guards if we are going to peel.  Do not apply versioning in that case.
27528         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
27529         (vect_do_peeling_for_loop_bound): Likewise.
27530         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
27531         loop bound only record extra pre-conditions, do not apply loop
27532         versioning.
27533
27534 2009-04-04  Richard Guenther  <rguenther@suse.de>
27535
27536         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
27537         renaming code.
27538
27539 2009-04-04  Jan Hubicka  <jh@suse.cz>
27540
27541         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
27542         last_basic_block for size of bb->index indexed array.
27543         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
27544         compute_out, link_btr_uses, build_btr_def_use_webs,
27545         build_btr_def_use_webs, migrate_btr_defs): Likewise.
27546
27547 2009-04-04  Jan Hubicka  <jh@suse.cz>
27548
27549         * except.c (remove_eh_handler_and_replace): Break out from ...
27550         (remove_eh_handler): ... here.
27551         (bring_to_root): New function.
27552         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
27553         handled ones, bring others to root of tree.
27554
27555 2009-04-04  Jan Hubicka  <jh@suse.cz>
27556
27557         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
27558         (all_phis_safe_to_merge): New function.
27559         (update_info): New structure.
27560         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
27561         (cleanup_empty_eh): Update SSA if possible.
27562
27563 2009-04-04  Richard Guenther  <rguenther@suse.de>
27564
27565         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
27566         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
27567         (append_vuse): Likewise.
27568
27569 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
27570
27571         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
27572         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
27573         instead of REG_UNSAVED for DW_CFA_undefined.
27574         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
27575         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
27576         outermost frame.
27577
27578 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
27579
27580         PR target/39501
27581         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
27582
27583 2009-04-04  Richard Guenther  <rguenther@suse.de>
27584
27585         PR tree-optimization/8781
27586         PR tree-optimization/37892
27587         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
27588         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
27589         (valueize_refs): Call it for *& valueizations.
27590         (shared_reference_ops_from_ref): Rename to ...
27591         (valueize_shared_reference_ops_from_ref): ... this and valueize.
27592         (shared_reference_ops_from_call): Rename to ...
27593         (valueize_shared_reference_ops_from_call): ... this and valueize.
27594         (vn_reference_lookup): Update.
27595         (visit_reference_op_call): Likewise.
27596         * tree-ssa-pre.c (phi_translate_1): Fold *&.
27597         (eliminate): Value-replace the call address in call statements.
27598
27599 2009-04-04  Richard Guenther  <rguenther@suse.de>
27600
27601         PR tree-optimization/39636
27602         * tree-ssa-forwprop.c
27603         (forward_propagate_addr_into_variable_array_index): Check for
27604         GIMPLE_ASSIGN before accessing the rhs code.
27605
27606 2009-04-03  Jason Merrill  <jason@redhat.com>
27607
27608         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
27609
27610 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
27611
27612         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
27613         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
27614         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
27615         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
27616         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
27617         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
27618         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
27619         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
27620         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
27621         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
27622         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
27623         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
27624         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
27625         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
27626         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
27627         Use fr_reg_or_fp01_operand instead of fr_register_operand
27628
27629         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
27630         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
27631         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
27632
27633 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
27634
27635         PR rtl-optimization/39607
27636         PR rtl-optimization/39631
27637
27638         Revert:
27639
27640         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
27641         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
27642         instead of DF_LR_OUT.
27643         * ira-lives.c (process_bb_node_lives): Ditto.
27644         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
27645         instead of DF_LR_{OUT,IN}.
27646         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
27647         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
27648
27649 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
27650
27651         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
27652         (execute_lower_omp): Always run but take the short way out if -fopenmp
27653         is not given.
27654         (gate_lower_omp): Remove, forcing the pass manager to always run the
27655         pass and always set PROP_gimple_lomp.
27656         (pass_lower_omp): Remove gate function.
27657         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
27658         PROP_trees.  Instead, require it.
27659         * ipa-cp.c (pass_ipa_cp): Likewise.
27660         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
27661         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
27662         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
27663         and PROP_gimple_leh.
27664
27665 2009-04-03  Richard Guenther  <rguenther@suse.de>
27666
27667         PR middle-end/13146
27668         PR tree-optimization/23940
27669         PR tree-optimization/33237
27670         PR middle-end/33974
27671         PR middle-end/34093
27672         PR tree-optimization/36201
27673         PR tree-optimization/36230
27674         PR tree-optimization/38049
27675         PR tree-optimization/38207
27676         PR tree-optimization/38230
27677         PR tree-optimization/38301
27678         PR tree-optimization/38585
27679         PR middle-end/38895
27680         PR tree-optimization/38985
27681         PR tree-optimization/39299
27682         * tree-ssa-structalias.h: Remove.
27683         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
27684         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
27685         (struct vuse_element_d): Remove.
27686         (struct vuse_vec_d): Likewise.
27687         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
27688         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
27689         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
27690         VUSE_ELEMENT_VAR): Likewise.
27691         (struct voptype_d): Likewise.
27692         (NUM_VOP_FREE_BUCKETS): Likewise.
27693         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
27694         (struct stmt_operands_d): Remove.
27695         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
27696         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
27697         VDEF_NUM, VDEF_VECT): Likewise.
27698         (copy_virtual_operands): Remove.
27699         (operand_build_cmp): Likewise.
27700         (create_ssa_artificial_load_stmt): Likewise.
27701         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
27702         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
27703         vuse_index and mayuse_index members.  Pack and move done and iter_type
27704         members to the front.
27705         (SSA_OP_VMAYUSE): Remove.
27706         (SSA_OP_VIRTUAL_USES): Adjust.
27707         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
27708         (unlink_stmt_vdef): Declare.
27709         (add_to_addressable_set): Remove.
27710         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
27711         (vrp_visit_stmt): Likewise.
27712         * doc/tree-ssa.texi (Alias analysis): Update.
27713         * doc/invoke.texi (max-aliased-vops): Remove docs.
27714         (avg-aliased-vops): Likewise.
27715         * tree-into-ssa.c (syms_to_rename): Remove.
27716         (need_to_update_vops_p): Likewise.
27717         (need_to_initialize_update_ssa_p): Rename to ...
27718         (update_ssa_initialized_fn): ... this.  Track function we are
27719         initialized for.
27720         (symbol_marked_for_renaming): Simplify.
27721         (add_new_name_mapping): Do not set need_to_update_vops_p.
27722         (dump_currdefs): Use SYMS_TO_RENAME.
27723         (rewrite_update_stmt): Always walk all uses/defs.
27724         (dump_update_ssa): Adjust.
27725         (init_update_ssa): Take function argument.  Track what we are
27726         initialized for.
27727         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
27728         (create_new_def_for): Initialize for cfun, assert we are initialized
27729         for cfun.
27730         (mark_sym_for_renaming): Simplify.
27731         (mark_set_for_renaming): Do not initialize update-ssa.
27732         (need_ssa_update_p): Simplify.  Take function argument.
27733         (name_mappings_registered_p): Assert we ask for the correct function.
27734         (name_registered_for_update_p): Likewise.
27735         (ssa_names_to_replace): Likewise.
27736         (release_ssa_name_after_update_ssa): Likewise.
27737         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
27738         (dump_decl_set): Do not print a newline.
27739         (debug_decl_set): Do it here.
27740         (dump_update_ssa): And here.
27741         * tree-ssa-loop-im.c (move_computations): Adjust.
27742         (movement_possibility): Likewise.
27743         (determine_max_movement): Likewise.
27744         (gather_mem_refs_stmt): Likewise.
27745         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
27746         or NAME_MEMORY_TAG.
27747         * tree-complex.c (update_all_vops): Remove.
27748         (expand_complex_move): Adjust.
27749         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
27750         Simplify test for memory referencing statement.  Exclude
27751         non-invariant ADDR_EXPRs.
27752         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
27753         * tree-loop-distribution.c (generate_memset_zero): Adjust.
27754         (rdg_flag_uses): Likewise.
27755         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
27756         related code.
27757         (tree_optimize_tail_calls_1): Also split the
27758         edge from the entry block if we have degenerate PHI nodes in
27759         the first basic block.
27760         * tree.c (init_ttree): Remove memory-tag related code.
27761         (tree_code_size): Likewise.
27762         (tree_node_structure): Likewise.
27763         (build7_stat): Re-write to be build6_stat.
27764         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
27765         (SSA_VAR_P): Adjust.
27766         (struct tree_memory_tag): Remove.
27767         (struct tree_memory_partition_tag): Likewise.
27768         (union tree_node): Adjust.
27769         (build7): Re-write to be build6.
27770         * tree-pass.h (pass_reset_cc_flags): Remove.
27771         (TODO_update_address_taken): New flag.
27772         (pass_simple_dse): Remove.
27773         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
27774         * params.h (MAX_ALIASED_VOPS): Remove.
27775         (AVG_ALIASED_VOPS): Likewise.
27776         * omp-low.c (expand_omp_taskreg): Update SSA form.
27777         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
27778         aliases the lhs in a copy stmt.
27779         * tree-ssa-dse.c (struct address_walk_data): Remove.
27780         (memory_ssa_name_same): Likewise.
27781         (memory_address_same): Likewise.
27782         (get_kill_of_stmt_lhs): Likewise.
27783         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
27784         unused stores.  Look through PHI nodes into post-dominated regions.
27785         (dse_optimize_stmt): Simplify.  Properly remove stores.
27786         (tree_ssa_dse): Compute dominators.
27787         (execute_simple_dse): Remove.
27788         (pass_simple_dse): Likewise.
27789         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
27790         gimple_loaded_syms and gimple_stored_syms computation.
27791         * toplev.c (dump_memory_report): Dump alias and pta stats.
27792         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
27793         (vn_reference_eq): Likewise.
27794         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
27795         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
27796         valueize_vuses): Remove.
27797         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
27798         (get_def_ref_stmt_vuse): ... this.
27799         (vn_reference_lookup_2): New function.
27800         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
27801         walking equivalent vuses.  Simplify.
27802         (vn_reference_lookup): Likewise.
27803         (vn_reference_insert): Likewise.
27804         (vn_reference_insert_pieces): Likewise.
27805         (visit_reference_op_call): Simplify.
27806         (visit_reference_op_load): Likewise.
27807         (visit_reference_op_store): Likewise.
27808         (init_scc_vn): Remove shared_lookup_vuses initialization.
27809         (free_scc_vn): Remove shared_lookup_vuses freeing.
27810         (sort_vuses, sort_vuses_heap): Remove.
27811         (get_ref_from_reference_ops): Export.
27812         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
27813         vector with single vuse pointer.
27814         (vn_reference_lookup_pieces, vn_reference_lookup,
27815         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
27816         (shared_vuses_from_stmt): Remove.
27817         (get_ref_from_reference_ops): Declare.
27818         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
27819         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
27820         memory-tag related code.
27821         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
27822         (likely_value): Add comment, skip static-chain of call statements.
27823         (surely_varying_stmt_p): Adjust.
27824         (gimplify_and_update_call_from_tree): Likewise.
27825         (execute_fold_all_builtins): Do not rebuild alias info.
27826         (gimplify_and_update_call_from_tree): Properly update VOPs.
27827         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
27828         (copy_ref_info): Remove memory-tag related code.
27829         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
27830         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
27831         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
27832         computation.
27833         * tree-ssa-dom.c (gimple_p): Remove typedef.
27834         (eliminate_redundant_computations): Adjust.
27835         (record_equivalences_from_stmt): Likewise.
27836         (avail_expr_hash): Likewise.
27837         (avail_expr_eq): Likewise.
27838         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
27839         (stmt_makes_single_load): Likewise.
27840         (stmt_makes_single_store): Likewise.
27841         * tree-ssa-alias.c: Rewrite completely.
27842         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
27843         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
27844         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
27845         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
27846         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
27847         Remove public functions.
27848         (pass_reset_cc_flags): Remove.
27849         (pass_build_alias): Move ...
27850         * tree-ssa-structalias.c (pass_build_alias): ... here.
27851         * tree-ssa-alias.c (may_be_aliased): Move ...
27852         * tree-flow-inline.h (may_be_aliased): ... here.
27853         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
27854         count_uses_and_derefs): Move ...
27855         * gimple.c: ... here.
27856         * gimple.h (count_uses_and_derefs): Declare.
27857         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
27858         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
27859         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
27860         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
27861         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
27862         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
27863         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
27864         New functions.
27865         * tree-dfa.c (refs_may_alias_p): Move ...
27866         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
27867         * tree-ssa-alias.h: New file.
27868         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
27869         (statement_sink_location): Likewise.
27870         * opts.c (decode_options): Do not adjust max-aliased-vops or
27871         avg-aliased-vops values.
27872         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
27873         (TV_CALL_CLOBBER): Likewise.
27874         (TV_FLOW_SENSITIVE): Likewise.
27875         (TV_FLOW_INSENSITIVE): Likewise.
27876         (TV_MEMORY_PARTITIONING): Likewise.
27877         (TV_ALIAS_STMT_WALK): New timevar.
27878         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
27879         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
27880         (get_address_description): Remove memory-tag related code.
27881         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
27882         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
27883         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
27884         and immediate uses in statements.  Document.
27885         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
27886         (dump_symbols): Remove.
27887         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
27888         * alias.c (get_deref_alias_set): New function split out from ...
27889         (get_alias_set): ... here.
27890         * alias.h (get_deref_alias_set): Declare.
27891         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
27892         type parameter.  Remove restrict pointer handling.  Create a
27893         ref-all pointer in case type-based alias sets do not conflict.
27894         (vect_analyze_data_refs): Remove SMT related code.
27895         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
27896         (vectorizable_load): Likewise.
27897         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
27898         (DR_SYMBOL_TAG, DR_VOPS): Remove.
27899         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
27900         Ignore vops and SMTs.
27901         (dr_analyze_alias): Likewise..
27902         (free_data_ref): Likewise.
27903         (create_data_ref): Likewise.
27904         (analyze_all_data_dependences): Likewise.
27905         (get_references_in_stmt): Adjust.
27906         * tree-flow-inline.h (gimple_aliases_computed_p,
27907         gimple_addressable_vars, gimple_call_clobbered_vars,
27908         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
27909         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
27910         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
27911         gimple_mem_ref_stats): Remove.
27912         (gimple_vop): New function.
27913         (op_iter_next_use): Remove vuses and mayuses cases.
27914         (op_iter_next_def): Remove vdefs case.
27915         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
27916         (clear_and_done_ssa_iter): Do not set removed fields.
27917         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
27918         Assert we are not iterating over vuses or vdefs if not also
27919         iterating over uses or defs.
27920         (op_iter_init_use): Likewise.
27921         (op_iter_init_def): Likewise.
27922         (op_iter_next_vdef): Remove.
27923         (op_iter_next_mustdef): Likewise.
27924         (op_iter_init_vdef): Likewise.
27925         (compare_ssa_operands_equal): Likewise.
27926         (link_use_stmts_after): Handle vuse operand.
27927         (is_call_used): Use is_call_clobbered.
27928         (is_call_clobbered): Global variables are always call clobbered,
27929         query the call-clobbers bitmap.
27930         (mark_call_clobbered): Ignore global variables.
27931         (clear_call_clobbered): Likewise.
27932         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
27933         virtual operands sanity check.
27934         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
27935         Remove.
27936         (TARGET_MEM_REF): Remove TMR_TAG operand.
27937         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
27938         Remove call-clobber related code.
27939         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
27940         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
27941         partitions or escape reason.
27942         (get_single_def_stmt, get_single_def_stmt_from_phi,
27943         get_single_def_stmt_with_phi): Remove.
27944         (dump_referenced_vars): Tidy.
27945         (get_ref_base_and_extent): Allow bare decls.
27946         (collect_dfa_stats): Adjust.
27947         * graphite.c (rename_variables_in_stmt): Adjust.
27948         (graphite_copy_stmts_from_block): Likewise.
27949         (translate_clast): Likewise.
27950         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
27951         (EXPR_DIES): New.
27952         (translate_vuse_through_block): Use the oracle.
27953         (phi_translate_1): Adjust.
27954         (value_dies_in_block_x): Use the oracle.  Cache the outcome
27955         in EXPR_DIES.
27956         (valid_in_sets): Check if the VUSE for
27957         a REFERENCE is available.
27958         (eliminate): Do not remove stmts during elimination,
27959         instead queue and remove them afterwards.
27960         (do_pre): Do not rebuild alias info.
27961         (pass_pre): Run TODO_rebuild_alias before PRE.
27962         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
27963         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
27964         (mark_all_v_defs_stmt): Remove.
27965         (mark_all_v_defs_seq): Adjust.
27966         (sra_replace): Likewise.
27967         (scalarize_use): Likewise.
27968         (scalarize_copy): Likewise.
27969         (scalarize_init): Likewise.
27970         (scalarize_ldst): Likewise.
27971         (todoflags): Remove.
27972         (tree_sra): Do not rebuild alias info.
27973         (tree_sra_early): Adjust.
27974         (pass_sra): Run TODO_update_address_taken before SRA.
27975         * tree-predcom.c (set_alias_info): Remove.
27976         (prepare_initializers_chain): Do not call it.
27977         (mark_virtual_ops_for_renaming): Adjust.
27978         (mark_virtual_ops_for_renaming_list): Remove.
27979         (initialize_root_vars): Adjust.
27980         (initialize_root_vars_lm): Likewise.
27981         (prepare_initializers_chain): Likewise.
27982         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
27983         (may_propagate_copy_into_stmt): Likewise.
27984         (merge_alias_info): Do nothing for now.
27985         (propagate_tree_value_into_stmt): Adjust.
27986         (stmt_may_generate_copy): Likewise.
27987         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
27988         not mark symbols for renaming.
27989         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
27990         with the same statement, make sure to update the new pointed-to one.
27991         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
27992         call statements, do not mark symbols for renaming.
27993         (mark_operand_necessary): Dump something.
27994         (ref_may_be_aliased): New function.
27995         (mark_aliased_reaching_defs_necessary_1): New helper function.
27996         (mark_aliased_reaching_defs_necessary): Likewise.
27997         (mark_all_reaching_defs_necessary_1): Likewise.
27998         (mark_all_reaching_defs_necessary): Likewise.
27999         (propagate_necessity): Do not process virtual PHIs.  For
28000         non-aliased loads mark all reaching definitions as necessary.
28001         For aliased loads and stores mark the immediate dominating
28002         aliased clobbers as necessary.
28003         (visited): New global static.
28004         (perform_tree_ssa_dce): Free visited bitmap after propagating
28005         necessity.
28006         (remove_dead_phis): Perform simple dead virtual PHI removal.
28007         (remove_dead_stmt): Properly unlink virtual operands when
28008         removing stores.
28009         (eliminate_unnecessary_stmts): Schedule PHI removal after
28010         stmt removal.
28011         * tree-ssa-ter.c (is_replaceable_p): Adjust.
28012         (process_replaceable): Likewise.
28013         (find_replaceable_in_bb): Likewise.
28014         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
28015         based on the single gimple vop.
28016         (verify_flow_insensitive_alias_info): Remove.
28017         (verify_flow_sensitive_alias_info): Likewise.
28018         (verify_call_clobbering): Likewise.
28019         (verify_memory_partitions): Likewise.
28020         (verify_alias_info): Likewise.
28021         (verify_ssa): Adjust..
28022         (execute_update_addresses_taken): Export.  Update SSA
28023         manually.  Optimize only when optimizing.  Use a local bitmap.
28024         (pass_update_address_taken): Remove TODO_update_ssa, add
28025         TODO_dump_func.
28026         (pass_update_address_taken): Just use TODO_update_address_taken.
28027         (init_tree_ssa): Do not initialize addressable_vars.
28028         (verify_ssa): Verify new VUSE / VDEF properties.
28029         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
28030         Do not call verify_alias_info.
28031         (delete_tree_ssa): Clear the VUSE, VDEF operands.
28032         Do not free the loaded and stored syms bitmaps.  Reset the escaped
28033         and callused solutions.  Do not free addressable_vars.
28034         Remove memory-tag related code.
28035         (warn_uninitialized_var): Aliases are always available.
28036         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
28037         * lambda-code.c (can_put_in_inner_loop): Adjust.
28038         (can_put_after_inner_loop): Likewise.
28039         (perfect_nestify): Likewise.
28040         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
28041         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
28042         (vectorizable_conversion): Do not mark symbols for renaming.
28043         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
28044         (expand_call_inline): Unlink the calls virtual operands before
28045         replacing it.
28046         (tree_function_versioning): Do not call update_ssa if we are not
28047         updating clones.  Simplify.
28048         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
28049         (propagate_with_phi): Likewise..
28050         * tree-outof-ssa.c (create_temp): Remove memory tag and call
28051         clobber code.  Assert we are not aliased or global.
28052         * tree-flow.h: Include tree-ssa-alias.h
28053         (enum escape_type): Remove.
28054         (struct mem_sym_stats_d): Likewise.
28055         (struct mem_ref_stats_d): Likewise.
28056         (struct gimple_df): Add vop member.  Remove global_var,
28057         call_clobbered_vars, call_used_vars, addressable_vars,
28058         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
28059         escaped and callused members.
28060         (struct ptr_info_def): Remove all members, add points-to solution
28061         member pt.
28062         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
28063         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
28064         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
28065         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
28066         (tree-ssa-alias.o): Likewise.
28067         (toplev.o): Add tree-ssa-alias.h
28068         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
28069         * gimple.c (gimple_set_bb): Fix off-by-one error.
28070         (is_gimple_reg): Do not handle memory tags.
28071         (gimple_copy): Also copy virtual operands.
28072         Delay updating the statement.  Do not reset loaded and stored syms.
28073         (gimple_set_stored_syms): Remove.
28074         (gimple_set_loaded_syms): Likewise.
28075         (gimple_call_copy_skip_args): Copy the virtual operands
28076         and mark the new statement modified.
28077         * tree-ssa-structalias.c (may_alias_p): Remove.
28078         (set_uids_in_ptset): Take the alias set to prune with as
28079         parameter.  Fold in the alias test of may_alias_p.
28080         (compute_points_to_sets): Compute whether a ptr is dereferenced
28081         in a local sbitmap.
28082         (process_constraint): Deal with &ANYTHING on the lhs, reject all
28083         other ADDRESSOF constraints on the lhs.
28084         (get_constraint_for_component_ref): Assert that we don't get
28085         ADDRESSOF constraints from the base of the reference.
28086         Properly generate UNKNOWN_OFFSET for DEREF if needed.
28087         (struct variable_info): Remove collapsed_to member.
28088         (get_varinfo_fc): Remove.
28089         (new_var_info): Do not set collapsed_to.
28090         (dump_constraint): Do not follow cycles.
28091         (dump_constraint_graph): Likewise.
28092         (build_pred_graph): Likewise.
28093         (build_succ_graph): Likewise.
28094         (rewrite_constraints): Likewise.
28095         (do_simple_structure_copy): Remove.
28096         (do_rhs_deref_structure_copy): Remove.
28097         (do_lhs_deref_structure_copy): Remove.
28098         (collapse_rest_of_var): Remove.
28099         (do_structure_copy): Re-implement.
28100         (pta_stats): New global variable.
28101         (dump_pta_stats): New function.
28102         (struct constraint_expr): Make offset signed.
28103         (UNKNOWN_OFFSET): Define special value.
28104         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
28105         (solution_set_expand): New helper function split out from ...
28106         (do_sd_constraint): ... here.
28107         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
28108         (do_ds_constraint): Likewise.
28109         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
28110         and CALLUSED = *CALLUSED.
28111         (set_union_with_increment): Make inc argument signed.
28112         (type_safe): Remove.
28113         (get_constraint_for_ptr_offset): Handle unknown and negative
28114         constant offsets.
28115         (first_vi_for_offset): Handle offsets before start.  Bail
28116         out early for offsets beyond the variable extent.
28117         (first_or_preceding_vi_for_offset): New function.
28118         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
28119         Together with ESCAPED = *ESCAPED this properly computes reachability.
28120         (find_what_var_points_to): New function.
28121         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
28122         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
28123         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
28124         pt_solutions_intersect): New functions.
28125         (compute_call_used_vars): Remove.
28126         (compute_may_aliases): New main entry into PTA computation.
28127         * gimple.h (gimple_p): New typedef.
28128         (struct gimple_statement_base): Remove references_memory_p.
28129         (struct gimple_statement_with_memory_ops_base): Remove
28130         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
28131         members.
28132         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
28133         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
28134         gimple_set_references_memory): Remove.
28135         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
28136         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
28137         New functions.
28138         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
28139         (verify_expr): Allow RESULT_DECL.
28140         (gimple_duplicate_bb): Do not copy virtual operands.
28141         (gimple_duplicate_sese_region): Adjust.
28142         (gimple_duplicate_sese_tail): Likewise.
28143         (mark_virtual_ops_in_region): Remove.
28144         (move_sese_region_to_fn): Do not call it.
28145         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
28146         and pass_simple_dse.
28147         (execute_function_todo): Handle TODO_update_address_taken,
28148         call execute_update_addresses_taken for TODO_rebuild_alias.
28149         (execute_todo): Adjust.
28150         (execute_one_pass): Init dump files early.
28151         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
28152         call-clobbered.
28153         (create_general_new_stmt): Clear vops.
28154         * tree-ssa-reassoc.c (get_rank): Adjust.
28155         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
28156         symbols for renaming.
28157         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
28158         (PARAM_AVG_ALIASED_VOPS): Likewise.
28159         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
28160         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
28161         * tree-ssa-operands.c: Simplify for new virtual operand representation.
28162         (operand_build_cmp, copy_virtual_operands,
28163         create_ssa_artificial_load_stmt, add_to_addressable_set,
28164         gimple_add_to_addresses_taken): Remove public functions.
28165         (unlink_stmt_vdef): New function.
28166
28167 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
28168
28169         * config.gcc (powerpc-*-linux*): Merge variants.
28170
28171 2009-04-02  Chao-ying Fu  <fu@mips.com>
28172             James Grosbach  <james.grosbach@microchip.com>
28173
28174         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
28175         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
28176         cop0_sp_offset.
28177         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
28178         keep_interrupts_masked_p, use_debug_exception_return_p.
28179         (mips_attribute_table): Add interrupt, use_shadow_register_set,
28180         keep_interrupts_masked, use_debug_exception_return.
28181         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
28182         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
28183         New functions.
28184         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
28185         (mips_print_operand): Process COP0 registers to print $0 .. $31
28186         correctly for GAS to process.
28187         (mips_interrupt_extra_call_saved_reg_p): New function.
28188         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
28189         extra registers.
28190         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
28191         (mips_compute_frame_info): Add supports for interrupt context that
28192         includes doubleword accumulators and COP0 registers.
28193         (mips_for_each_saved_acc): New function.
28194         (mips_for_each_saved_gpr_and_fpr): Change the function name from
28195         mips_for_each_saved_reg.
28196         (mips_save_reg): Save accumulators.
28197         (mips_kernel_reg_p): A new for_each_rtx callback.
28198         (mips_expand_prologue): Support interrupt handlers.
28199         (mips_restore_reg): Restore accumulators.
28200         (mips_expand_epilogue): Support interrupt handlers.
28201         (mips_can_use_return_insn): Return false for interrupt handlers.
28202         (mips_epilogue_uses): New function.
28203         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
28204         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
28205         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
28206         cop0_move): New instructions.
28207         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
28208         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
28209         defines.
28210         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
28211         New defines.
28212         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
28213         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
28214         interrupt handlers, we use K0 as the temporary register.
28215         (EPILOGUE_USES): Change to a function call.
28216         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
28217         handlers, we use K0 as the temporary register.
28218
28219         * doc/extend.texi (Function Attributes): Document interrupt,
28220         use_shadow_register_set, keep_interrupts_masked,
28221         use_debug_exception_return for MIPS attributes.
28222
28223 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
28224
28225         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
28226         Remove a number of t-files from tmake_file.
28227         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
28228         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
28229         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
28230         target_prototype, not TARGET_PROTOTYPE.
28231         (LINK_OS_GNU_SPEC): Define.
28232         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
28233         and darwin-ldoubdle.c.
28234
28235 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
28236
28237         PR driver/39293
28238         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
28239         (cpp_options): Ditto.
28240         (default_compilers): Ditto.
28241         (display_help): Ditto.
28242         (process_command): Ditto.
28243         (do_spec_1): Ditto.
28244         (set_input): Use lbasename instead of duplicate code.
28245         (save_temps_prefix): New static for -save-temps=obj.
28246         (save_temps_length): Ditto.
28247
28248         * doc/invoke.texi (-save-temps=obj): Document new variant to
28249         -save-temps switch.
28250
28251 2009-04-02  Jeff Law  <law@redhat.com>
28252
28253         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
28254         variable.
28255
28256 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
28257
28258         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
28259         * configure: Regenerated.
28260
28261 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
28262
28263         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
28264         share the argument list.
28265
28266 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
28267
28268         Merge
28269
28270         2009-02-12  Diego Novillo  <dnovillo@google.com>
28271
28272         * varpool.c (debug_varpool): New.
28273         * cgraph.h (debug_varpool): Declare.
28274
28275 2009-04-02  Jan Hubicka  <jh@suse.cz>
28276
28277         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
28278         pass.
28279
28280 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
28281
28282         * config/i386/i386.c (ix86_abi): Move initialization to ...
28283         (override_options): Here.
28284
28285 2009-04-02  Christian Bruel  <christian.bruel@st.com>
28286
28287         * config/sh/sh.c (sh_dwarf_register_span): New function.
28288         (TARGET_DWARF_REGISTER_SPAN): Define.
28289         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
28290
28291 2009-04-02  Ira Rosen  <irar@il.ibm.com>
28292
28293         PR tree-optimization/39595
28294         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
28295         interleaved loads group is not  greater than the SLP group size.
28296
28297 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
28298
28299         * builtins.c (is_builtin_name): New.
28300         (called_as_built_in): Use is_builtin_name.
28301         * tree.h (is_builtin_name): New.
28302         * varasm.c (incorporeal_function_p): Use is_builtin_name
28303
28304 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
28305
28306         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
28307
28308 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
28309
28310         PR c++/26693
28311         * c-decl.c (clone_underlying_type): Move this ...
28312         * c-common.c (set_underlying_type): ... here.
28313         Also, make sure the function properly sets TYPE_STUB_DECL() on
28314         the newly created typedef variant type.
28315         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
28316         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
28317         points.
28318
28319 2009-04-02  Richard Guenther  <rguenther@suse.de>
28320
28321         PR tree-optimization/37221
28322         * tree-flow.h (degenerate_phi_result): Declare.
28323         * tree-ssa-dom.c (degenerate_phi_result): Export.
28324         * tree-scalar-evolution.c (analyze_initial_condition): If
28325         the initial condition is defined by a degenerate PHI node
28326         use the degenerate value.
28327
28328 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
28329
28330         PR rtl-optimization/39588
28331         * combine.c (merge_outer_ops): Do not set the constant when this
28332         is not necessary.
28333         (simplify_shift_const_1): Do not modify it either in this case.
28334
28335 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
28336
28337         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
28338         tuning is deprecated if -mtune value is set to an Itanium1 variant.
28339
28340 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
28341
28342         PR c/29027
28343         * c-lex.c (interpret_float): Default (no suffix) is double.
28344
28345 2009-04-1  Xinliang David Li  <davidxl@google.com>
28346
28347         * config/i386/i386.c (legitimate_constant_p): Recognize
28348         all one vector constant.
28349
28350 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28351
28352         * config/vax/vax.c: Add #includes to silence warnings.
28353         Change #include order to silence two warnings.
28354
28355 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28356
28357         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
28358         (ASM_SPEC): Pass -k to the assembler for PIC code.
28359
28360 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28361
28362         * config.gcc: Add vax-*-linux* to the switch.
28363         * config/vax/linux.h: New file. (TARGET_VERSION,
28364         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
28365
28366 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28367
28368         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
28369         Use predicate macros instead of GET_CODE() == foo.
28370         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
28371         ashlsi3, rotrsi3, <unnamed>): Likewise.
28372
28373 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28374
28375         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
28376         jbbccihi, jbbccisi): Remova trailing whitespace.
28377         * config/vax/constraints.md: Likewise.
28378         * config/vax/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
28379         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
28380         * config/vax/predicates.md: Likewise.
28381         * config/vax/vax.c (print_operand_address, vax_output_int_move,
28382         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
28383         * config/vax/vax.h: Likewise.
28384         * config/vax/vax.md (nonlocal_goto): Likewise.
28385
28386 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28387
28388         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
28389         (indirectable_address_p, adjacent_operands_p): Add spaces around
28390         braces.
28391         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
28392
28393 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28394
28395         * config/vax/vax.c (legitimate_constant_address_p,
28396         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
28397         index_term_p, reg_plus_index_p, legitimate_address_p,
28398         vax_mode_dependent_address_p): Update comments to match functions
28399         modified by the recent int->bool conversion.
28400
28401 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28402
28403         * config/vax/builtins.md: Update copyright message.
28404         * config/vax/constraints.md: Likewise.
28405         * config/vax/netbsd-elf.h: Likewise.
28406         * config/vax/predicates.md: Likewise.
28407         * config/vax/vax-protos.h: Likewise.
28408         * config/vax/vax.c: Likewise.
28409         * config/vax/vax.h: Likewise.
28410         * config/vax/vax.md: Likewise.
28411         * config/vax/vax.opt: Likewise.
28412
28413 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
28414
28415         * config/vax/builtins.md (ffssi2, ffssi2_internal,
28416         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
28417         * config/vax/constraints.md (B, R): Likewise.
28418         * config/vax/predicates.md (external_memory_operand,
28419         nonimmediate_addsub_di_operand): Likewise.
28420         * config/vax/vax.c (vax_output_int_add): Likewise.
28421         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
28422         untyped_call): Likewise.
28423
28424 2009-04-01  Matt Thomas  <matt@3am-software.com>
28425
28426         * config/vax/predicates.md: New file.
28427         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
28428         external_const_operand, nonsymbolic_operand, external_memory_operand,
28429         indirect_memory_operand, indexed_memory_operand,
28430         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
28431         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
28432         predicate.
28433         * config/vax/constraints.md: New file.
28434         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
28435         New constraint.
28436         * config/vax/builtins.md: New file.
28437         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
28438         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
28439         jbbccisi): Define.
28440         * config/vax/vax.opt (mqmath): Add option.
28441         * config/vax/vax.md (isfx): Extend with DI.
28442         (VAXintQH, VAXintQHSD): Define.
28443         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
28444         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
28445         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
28446         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
28447         (movdi): Update constraints and use vax_output_int_move().
28448         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
28449         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
28450         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
28451         nonlocal_goto): New.
28452         (mov<mode>): Extend accepted operand types.
28453         (subdi3_old): Rename from subdi3, change update constraints and use
28454         a new implementation.
28455         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
28456         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
28457         MOVE_RATIO, CLEAR_RATIO): Define.
28458         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
28459         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
28460         (PRINT_OPERAND): Redefine using a function instead of inlined code.
28461         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
28462         (split_quadword_operands): Make static and really allow variable
28463         splitting.
28464         (print_operand_address): Update for PIC generation.
28465         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
28466         indexable_address_p, fixup_mathdi_operand,
28467         vax_expand_addsub_di_operands, adjacent_operands_p): New.
28468         (vax_float_literal, legitimate_constant_p,
28469         indirectable_constant_address_p, index_term_p,
28470         reg_plus_index_p): Return bool instead of int.
28471         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
28472         where needed.
28473         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
28474         generation.
28475         (vax_output_conditional_branch): Indent.
28476         (legitimate_constant_address_p, indirectable_constant_address_p,
28477         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
28478         vax_mode_dependent_address_p): Return bool instead of int, update for
28479         PIC generation.
28480         * config/vax/vax-protos.h (legitimate_constant_address_p,
28481         legitimate_constant_p, legitimate_address_p,
28482         vax_mode_dependent_address_p): Change declaration to bool.
28483         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
28484         vax_expand_addsub_di_operands, vax_output_int_subtract,
28485         vax_output_movmemsi): Declare.
28486         (split_quadword_operands, vax_float_literal): Delete declaration.
28487         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
28488         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
28489         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
28490         ASM_OUTPUT_DWARF_PCREL): Define.
28491         (ASM_SPEC): Change definition to allow PIC generation.
28492
28493 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
28494
28495         * doc/sourcebuild.texi: Update front-end requirements.
28496
28497 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
28498
28499         PR target/39226
28500         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
28501         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
28502         (booldi3_internal3): Use boolean_or_operator instead of
28503         boolean_operator.
28504
28505 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
28506
28507         PR c/39605
28508         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
28509         declarator whose size is not an integer constant expression but
28510         folds to an integer constant, then treat it as a constant
28511         subsequently.
28512
28513 2009-04-01  Richard Guenther  <rguenther@suse.de>
28514
28515         * fold-const.c (fold_plusminus_mult_expr): Do not fold
28516         i * 4 + 2 to (i * 2 + 1) * 2.
28517
28518 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
28519
28520         PR c/37772
28521         * c-parser.c (c_parser_asm_statement): Skip until close paren and
28522         return if c_parser_asm_string_literal returned NULL.
28523
28524 2009-04-01  Nick Clifton  <nickc@redhat.com>
28525
28526         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
28527         already defined.
28528         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
28529         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
28530         other typedefs to avoid conflicts with libgcc2.c.  Define labels
28531         to gain 16-bit bit-manipulation functions from libgcc2.c and then
28532         include it.
28533         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
28534         to gain 16-bit trapping arithmetic functions from libgcc2.c and
28535         then include it.
28536
28537 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
28538
28539         * varasm.c (default_function_rodata_section): Declare DOT as
28540         const char*.
28541
28542 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
28543             Andrey Galkin  <agalkin@hypercom.com>
28544
28545         PR/39492
28546         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
28547         Make object_name unique for each process.
28548
28549 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
28550
28551         PR other/39591
28552         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
28553         addressable variables in the parallel that could go out of scope while
28554         running queued tasks.
28555
28556 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
28557
28558         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
28559         (CASE_VALUES_THRESHOLD): Redefine.
28560         * config/avr/avr.c (avr_override_options): Remove initialization of
28561         avr_case_values_threshold variable.
28562         (avr_case_values_threshold): Remove variable. Add new function.
28563         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
28564         * config/avr/avr.opt (mno-tablejump): Remove option.
28565         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
28566
28567 2009-04-01  DJ Delorie  <dj@redhat.com>
28568
28569         * varasm.c (default_function_rodata_section): Don't assume
28570         anything about where the first '.' in the section name is.
28571
28572 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
28573
28574         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
28575         rs6000_emit_stack_tie.
28576
28577 2009-03-31  Ian Lance Taylor  <iant@google.com>
28578
28579         * tree-eh.c (tree_remove_unreachable_handlers): Compare
28580         gimple_code with GIMPLE_RESX, not RESX.
28581
28582 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28583
28584         * c-common.c (c_get_ident): New.
28585         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
28586
28587 2009-04-01  Ben Elliston  <bje@au.ibm.com>
28588
28589         * config/rs6000/sysv4.opt (msdata): Improve option description.
28590
28591 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
28592
28593         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
28594         (divdf3_internal_lat): Remove.
28595         (divxf3_internal_lat): Remove.
28596         (divxf3_internal_thr): Remove.
28597         (divxf): Use divxf3_internal.
28598         * config/ia64/div.md (divsf3_internal_lat): New.
28599         (divdf3_internal_lat): New.
28600         (divxf3_internal): New.
28601
28602 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28603
28604         PR c/448
28605         * Makefile.in (USE_GCC_STDINT): Define.
28606         (stmp-int-hdrs): Install stdint.h if applicable.
28607         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
28608         if known.
28609         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
28610         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
28611         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
28612         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
28613         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
28614         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
28615         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
28616         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
28617         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
28618         (c_common_nodes_and_builtins): Initialize
28619         underlying_wchar_type_node.  Do not initialize
28620         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
28621         nodes for new types.
28622         (c_stddef_cpp_builtins): Define macros for new types.
28623         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
28624         Remove.
28625         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
28626         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
28627         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
28628         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
28629         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
28630         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
28631         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
28632         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
28633         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
28634         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
28635         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
28636         int16_type_node, int32_type_node, int64_type_node,
28637         uint8_type_node, uint16_type_node, c_uint32_type_node,
28638         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
28639         int_least32_type_node, int_least64_type_node,
28640         uint_least8_type_node, uint_least16_type_node,
28641         uint_least32_type_node, uint_least64_type_node,
28642         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
28643         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
28644         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
28645         uintptr_type_node): Define.
28646         * c-cppbuiltin.c (builtin_define_constants,
28647         builtin_define_type_minmax): New.
28648         (builtin_define_stdint_macros): Define more macros.
28649         (c_cpp_builtins): Define more limit macros.
28650         (type_suffix): New.
28651         (builtin_define_type_max): Define in terms of
28652         builtin_define_type_minmax.  Remove is_long parameter.  All
28653         callers changed.
28654         * config.gcc (use_gcc_stdint): Define.
28655         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
28656         Add newlib-stdint.h for generic targets.
28657         * config/glibc-stdint.h, config/newlib-stdint.h,
28658         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
28659         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
28660         * config/score/score.h (UINTPTR_TYPE): Define.
28661         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
28662         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
28663         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
28664         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
28665         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
28666         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
28667         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
28668         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
28669         * config/spu/spu.h (STDINT_LONG32): Define.
28670         * configure.ac (use_gcc_stdint): Substitute.
28671         * configure: Regenerate.
28672         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
28673         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
28674         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
28675         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
28676         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
28677         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
28678         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
28679         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
28680         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
28681         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
28682         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
28683         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
28684         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
28685         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
28686         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
28687         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
28688         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
28689         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
28690         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
28691         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
28692         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
28693         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
28694         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
28695         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
28696         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
28697         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
28698         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
28699         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
28700         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
28701
28702 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
28703
28704         * loop-iv.c (suitable_set_for_replacement): Renamed from
28705         simplify_using_assignment; changed to return bool and to accept new
28706         args DEST and SRC.  Return true iff we find a source/destination pair
28707         that can be used to make a replacement, and fill SRC and DEST if so.
28708         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
28709         changed.
28710         (simplify_using_initial_values): Deal with altered regs here and track
28711         more precisely the effect they have on the validity of our expression.
28712
28713         * loop-iv.c (simplify_using_condition): A condition of the form
28714         (EQ REG CONST) can be used to simply make a substitution.
28715         (simplify_using_initial_values): Keep track of conditions we have seen
28716         and keep using them to simplify new expressions, while applying the
28717         same substitutions to them as to the expression.
28718
28719         * simplify-rtx.c (simplify_relational_operation_1): Simplify
28720         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
28721         GEU/LTU reversed.
28722
28723         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
28724         changed.  Use this when trying to improve the upper bound.
28725         Generate the comparison by using simplify_gen_relational.
28726
28727         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
28728
28729         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
28730         functions.
28731         (simplify_using_assignment, simplify_using_initial_values): Call
28732         replace_in_expr to make replacements.  Call replace_single_def_regs
28733         once on the initial version of the expression.
28734
28735 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
28736
28737         PR target/27237
28738         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
28739
28740 2009-03-31  Richard Guenther  <rguenther@suse.de>
28741
28742         PR middle-end/31029
28743         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
28744         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
28745
28746 2009-03-31  Richard Guenther  <rguenther@suse.de>
28747
28748         * tree.h (div_if_zero_remainder): Declare.
28749         * fold-const.c (div_if_zero_remainder): Export.
28750         * tree-ssa-forwprop.c
28751         (forward_propagate_addr_into_variable_array_index): Handle
28752         constant array index addition outside of the variable index.
28753
28754 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28755
28756         PR target/39592
28757         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
28758         define_splits, floatunssi<mode>2): Require x87 conversions from
28759         DImode to be permitted.
28760
28761 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
28762
28763         PR preprocessor/15638
28764         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
28765
28766 2009-03-31  Richard Guenther  <rguenther@suse.de>
28767
28768         PR middle-end/23401
28769         PR middle-end/27810
28770         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
28771         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
28772         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
28773         a separate statement.
28774         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
28775         (lookup_tmp_var): Likewise.
28776         (is_gimple_formal_tmp_or_call_rhs): Remove.
28777         (is_gimple_reg_or_call_rhs): Rename to ...
28778         (is_gimple_reg_rhs_or_call): ... this.
28779         (is_gimple_mem_or_call_rhs): Rename to ...
28780         (is_gimple_mem_rhs_or_call): ... this.
28781         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
28782         DECL_GIMPLE_REG_P only if is_formal is true.
28783         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
28784         for non-proper post-modify expression gimplification.
28785         (gimplify_self_mod_expr): For post-modify expressions gimplify
28786         the lvalue to a minimal lvalue.
28787         (rhs_predicate_for): Remove formal temp case.
28788         (gimplify_modify_expr_rhs): Likewise.
28789         (gimplify_addr_expr): Use is_gimple_reg.
28790         (gimplify_expr): Remove formal temp cases.
28791         (gimple_regimplify_operands): Likewise.
28792         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
28793         and FILTER_EXPR like constants.
28794         * gimple.c (walk_gimple_op): Fix val_only initialization, use
28795         is_gimple_reg.
28796         (is_gimple_formal_tmp_rhs): Remove.
28797         (is_gimple_reg_rhs): Remove special casing.
28798         (is_gimple_mem_rhs): Fix.
28799         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
28800         (is_gimple_formal_tmp_var): Remove.
28801         (is_gimple_formal_tmp_reg): Likewise.
28802         (is_gimple_min_lval): Allow invariant component ref parts.
28803         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
28804         is_gimple_formal_tmp_reg): Remove declarations.
28805         * tree-cfg.c (verify_expr): Verify that variables with address
28806         taken do not have DECL_GIMPLE_REG_P set.
28807         * tree-mudflap.c (mf_build_check_statement_for): Use
28808         force_gimple_operand instead of gimplify_expr.
28809
28810 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
28811
28812         * modulo-sched.c (sms_schedule_by_order): Pass the actual
28813         schedulable rows to compute_split_row.
28814
28815 2009-03-31  Ben Elliston  <bje@au.ibm.com>
28816
28817         PR target/31635
28818         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
28819         OPT_mvrsave.
28820
28821 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
28822
28823         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
28824         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
28825         * configure: Regenerate.
28826         * config.in: Regenerate.
28827         * config/rs6000/rs6000.opt (mtls-markers): Add.
28828         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
28829         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
28830         (tls_ld_aix, tls_ld_sysv): Likewise.
28831         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
28832         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
28833
28834 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
28835
28836         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
28837
28838 2009-03-30  Jan Hubicka  <jh@suse.cz>
28839
28840         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
28841         out of RESX.
28842         (tree_remove_unreachable_handlers): Cleanup EH predecestor
28843         detection and label handling.
28844
28845 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
28846
28847         * ira-int.h (ira_allocno): Rename left_conflicts_num to
28848         left_conflicts_size.
28849         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
28850         ALLOCNO_LEFT_CONFLICTS_SIZE.
28851
28852         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
28853         remove_allocno_from_bucket_and_push,
28854         allocno_spill_priority_compare, push_allocnos_to_stack,
28855         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
28856         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
28857         (setup_allocno_left_conflicts_num): Ditto.  Rename to
28858         setup_allocno_left_conflicts_size.
28859         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
28860         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
28861         setup_allocno_left_conflicts_size instead of
28862         setup_allocno_left_conflicts_num.
28863
28864         * ira-build.c (ira_create_allocno): Use
28865         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
28866         ALLOCNO_LEFT_CONFLICTS_NUM.
28867
28868 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
28869
28870         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
28871         instead of DF_LR_OUT.
28872
28873         * ira-lives.c (process_bb_node_lives): Ditto.
28874
28875         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
28876         instead of DF_LR_{OUT,IN}.
28877
28878         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
28879
28880         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
28881
28882 2009-03-30  Jan Hubicka  <jh@suse.cz>
28883
28884         * except.c (label_to_region_map): Fix thinko.
28885
28886 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
28887
28888         PR middle-end/38237
28889         * tree.h (tree_find_value): New declaration.
28890         * tree.c (tree_find_value): New function.
28891         * varasm.c (assemble_external): Avoid duplicate entries on lists.
28892
28893 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
28894
28895         PR debug/39563
28896         * c-decl.c (struct c_binding): Add locus field.
28897         (bind): Add locus argument, set locus field from it.
28898         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
28899         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
28900         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
28901         implicitly_declare, undeclared_variable, lookup_label,
28902         declare_label, c_make_fname_decl, c_builtin_function,
28903         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
28904         bind callers.
28905
28906 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
28907
28908         PR target/38781
28909         * config/i386/i386.c (classify_argument): Check total size of
28910         structure.
28911
28912 2009-03-30  Martin Jambor  <mjambor@suse.cz>
28913
28914         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
28915         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
28916         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
28917         respectively.
28918
28919         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
28920         seen_variable_array_ref while also traversing a union.
28921
28922         * tree-inline.c (optimize_inline_calls): Do not call
28923         cgraph_node_remove_callees.
28924         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
28925         (pass_remove_cgraph_callee_edges): New variable.
28926         * passes.c (init_optimization_passes): Add
28927         pass_remove_cgraph_callee_edges after early inlining and before all
28928         late intraprocedural passes.
28929
28930         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
28931
28932 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
28933
28934         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
28935         Fix typos in names.
28936
28937 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
28938
28939         * combine.c (simplify_comparison): Use have_insn_for.
28940         * dojump.c (do_jump): Likewise.
28941
28942 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
28943
28944         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
28945         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
28946         sparc_compare_op0 like sparc_compare_emitted used to be handled.
28947         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
28948         instead of sparc_compare_emitted.
28949         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
28950         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
28951         instead of sparc_compare_emitted.
28952
28953 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
28954
28955         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
28956         enter/exit cfglayout mode.
28957         (pass_partition_block): Require it.
28958         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
28959         (combine_instructions): Track basic blocks instead of labels.
28960         (update_cfg_for_uncondjump): New.
28961         (try_combine): Use it.  Update jumps after rescanning.
28962         (pass_combine): Require PROP_cfglayout.
28963         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
28964
28965 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
28966
28967         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
28968         Provide/destroy PROP_cfglayout respectively.
28969         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
28970         * tree-pass.h (PROP_cfglayout): New.
28971
28972 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
28973
28974         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
28975         fold_convert_const_fixed_from_fixed,
28976         fold_convert_const_fixed_from_int,
28977         fold_convert_const_fixed_from_real, fold_negate_const): Do not
28978         set TREE_CONSTANT_OVERFLOW.
28979         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
28980         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
28981
28982 2009-03-30  Ira Rosen  <irar@il.ibm.com>
28983
28984         * tree-vect-loop-manip.c: New file.
28985         * tree-vectorizer.c: Update documentation and included files.
28986         (vect_loop_location): Make extern.
28987         (rename_use_op): Move to tree-vect-loop-manip.c
28988         (rename_variables_in_bb, rename_variables_in_loop,
28989         slpeel_update_phis_for_duplicate_loop,
28990         slpeel_update_phi_nodes_for_guard1,
28991         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
28992         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
28993         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
28994         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
28995         find_loop_location): Likewise.
28996         (new_stmt_vec_info): Move to tree-vect-stmts.c.
28997         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
28998         get_vectype_for_scalar_type, vect_is_simple_use,
28999         supportable_widening_operation, supportable_narrowing_operation):
29000         Likewise.
29001         (bb_in_loop_p): Move to tree-vect-loop.c.
29002         (new_loop_vec_info, destroy_loop_vec_info,
29003         reduction_code_for_scalar_code, report_vect_op,
29004         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
29005         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
29006         (vect_supportable_dr_alignment): Likewise.
29007         * tree-vectorizer.h (tree-data-ref.h): Include.
29008         (vect_loop_location): Declare.
29009         Reorganize function declarations according to the new file structure.
29010         * tree-vect-loop.c: New file.
29011         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
29012         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
29013         * tree-vect-data-refs.c: New file.
29014         * tree-vect-patterns.c (timevar.h): Don't include.
29015         * tree-vect-stmts.c: New file.
29016         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
29017         tree-vect-slp.c, tree-vect-loop.c.
29018         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
29019         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
29020         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
29021         (tree-vect-analyze.o): Remove.
29022         (tree-vect-transform.o): Likewise.
29023         (tree-vect-data-refs.o): Add rule.
29024         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
29025         tree-vect-slp.o): Likewise.
29026         (tree-vect-patterns.o): Remove redundant dependencies.
29027         (tree-vectorizer.o): Likewise.
29028         * tree-vect-slp.c: New file.
29029
29030 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29031
29032         * optc-gen.awk: Warn if an option flag has multiple different
29033         help strings.
29034
29035 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
29036
29037         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
29038         -floop-block): Document dependences on PPL, CLooG and Graphite.
29039
29040 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
29041
29042         PR rtl-optimization/323
29043         * c-common.c (c_fully_fold, convert_and_check,
29044         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
29045         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
29046         * c-common.def (EXCESS_PRECISION_EXPR): New.
29047         * c-cppbuiltin.c (builtin_define_float_constants): Define
29048         constants with enough digits for long double.
29049         * c-lex.c (interpret_float): Interpret constant with excess
29050         precision where appropriate.
29051         * c-opts.c (c_common_post_options): Set
29052         flag_excess_precision_cmdline.  Give an error for
29053         -fexcess-precision=standard for C++ for processors where the
29054         option is significant.
29055         * c-parser.c (c_parser_conditional_expression): Handle excess
29056         precision in condition.
29057         * c-typeck.c (convert_arguments): Handle arguments with excess
29058         precision.
29059         (build_unary_op): Move excess precision outside operation.
29060         (build_conditional_expr): Likewise.
29061         (build_compound_expr): Likewise.
29062         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
29063         (build_modify_expr): Handle excess precision in RHS.
29064         (convert_for_assignment): Handle excess precision in converted
29065         value.
29066         (digest_init, output_init_element, process_init_element): Handle
29067         excess precision in initializer.
29068         (c_finish_return): Handle excess precision in return value.
29069         (build_binary_op): Handle excess precision in operands and add
29070         excess precision as needed for operation.
29071         * common.opt (-fexcess-precision=): New option.
29072         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
29073         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
29074         For standard excess precision, output explicit conversion to and
29075         truncation from XFmode.
29076         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
29077         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
29078         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
29079         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
29080         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
29081         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
29082         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
29083         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
29084         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
29085         define_splits, sqrt<mode>2): Disable where appropriate for
29086         standard excess precision.
29087         * convert.c (convert_to_real): Do not shorten arithmetic to type
29088         for which excess precision would be used.
29089         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
29090         * doc/invoke.texi (-fexcess-precision=): Document option.
29091         (-mfpmath=): Correct index entry.
29092         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
29093         flag_excess_precision): New.
29094         * langhooks.c (lhd_post_options): Set
29095         flag_excess_precision_cmdline.
29096         * opts.c (common_handle_option): Handle -fexcess-precision=.
29097         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
29098         init_excess_precision): New.
29099         (lang_dependent_init_target): Call init_excess_precision.
29100         * tree.c (excess_precision_type): New.
29101         * tree.h (excess_precision_type): Declare.
29102
29103 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
29104
29105         PR c/35235
29106         * c-typeck.c (build_component_ref): Do not copy qualifiers from
29107         non-lvalue to component.
29108
29109 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
29110
29111         PR preprocessor/34695
29112         * Makefile.in (c-opts.o): Depend on c-tree.h.
29113         * c-common.c: Move down include of diagnostic.h.
29114         (done_lexing, c_cpp_error): New.
29115         * c-common.h (done_lexing): Declare.
29116         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
29117         (parse_in).
29118         * c-opts.c: Include c-tree.h.
29119         (c_common_init_options): Set preprocessor error callback.
29120         (c_common_handle_option): Do not set preprocessor
29121         inhibit_warnings, warnings_are_errors, warn_system_headers,
29122         pedantic_errors or inhibit_warnings flags.
29123         (c_common_post_options): Do not check cpp_errors (parse_in).
29124         (c_common_finish): Do not output dependencies if there were
29125         errors.  Do not check return value of cpp_finish.
29126         * c-ppoutput.c (pp_file_change): Set input_location.
29127         * c-tree.h (c_cpp_error): Declare.
29128         * diagnostic.c (diagnostic_set_info_translated): Also initialize
29129         override_column.
29130         (diagnostic_build_prefix): Check override_column.
29131         * diagnostic.h (diagnostic_info): Add override_column field.
29132         (diagnostic_override_column): Define.
29133
29134 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
29135
29136         * c-common.c (c_expand_expr, c_staticp): Remove.
29137         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
29138         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
29139         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
29140         * c-gimplify.c (gimplify_compound_literal_expr,
29141         optimize_compound_literals_in_ctor): Remove.
29142         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
29143         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
29144         * c-semantics.c (emit_local_var): Remove.
29145
29146         * langhooks-def.h (lhd_expand_expr): Remove.
29147         * langhooks.c (lhd_expand_expr): Remove.
29148         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
29149
29150         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
29151         handling from c-semantics.c; don't call into langhook.
29152         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
29153         * gimplify.c (gimplify_compound_literal_expr,
29154         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
29155         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
29156         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
29157         as was done in c-gimplify.c.
29158         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
29159         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
29160         Move from c-common.h.
29161         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
29162
29163         * tree.c (staticp): Do not call langhook.
29164         * langhooks.c (lhd_staticp): Delete.
29165         * langhooks-def.h (lhd_staticp): Delete prototype.
29166         (LANG_HOOKS_STATICP): Delete.
29167         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
29168
29169         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
29170         instead of DECL_STMTs.
29171
29172 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
29173
29174         PR c/456
29175         PR c/5675
29176         PR c/19976
29177         PR c/29116
29178         PR c/31871
29179         PR c/35198
29180         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
29181         void_type_node.
29182         (fold_call_expr): Return a NOP_EXPR from folding rather than the
29183         contained expression.
29184         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
29185         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
29186         conditional expressions for C.
29187         (decl_constant_value_for_optimization): Move from
29188         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
29189         whether optimizing and that the expression is a VAR_DECL not of
29190         array type instead of doing such checks in the caller.  Do not
29191         check pedantic.  Call gcc_unreachable for C++.
29192         * c-common.def (C_MAYBE_CONST_EXPR): New.
29193         * c-common.h (c_fully_fold, c_save_expr,
29194         decl_constant_value_for_optimization): New prototypes.
29195         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
29196         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
29197         EXPR_INT_CONST_OPERANDS): Define.
29198         * c-convert.c (convert): Strip nops from expression.
29199         * c-decl.c (groktypename): Take extra parameters expr and
29200         expr_const_operands.  Update call to grokdeclarator.
29201         (start_decl): Update call to grokdeclarator.  Add statement for
29202         expressions used in type of decl.
29203         (grokparm): Update call to grokdeclarator.
29204         (push_parm_decl): Update call to grokdeclarator.
29205         (build_compound_literal): Add parameter non_const and build a
29206         C_MAYBE_COSNT_EXPR if applicable.
29207         (grokdeclarator): Take extra parameters expr and
29208         expr_const_operands.  Track expressions used in declaration
29209         specifiers and declarators.  Fold array sizes and track whether
29210         they are constant expressions and whether they are integer
29211         constant expressions.
29212         (parser_xref_tag): Set expr and expr_const_operands fields in
29213         return value.
29214         (grokfield): Update call to grokdeclarator.
29215         (start_function): Update call to grokdeclarator.
29216         (build_null_declspecs): Set expr and expr_const_operands fields in
29217         return value.
29218         (declspecs_add_type): Handle expressions in typeof specifiers.
29219         * c-parser.c (c_parser_declspecs): Set expr and
29220         expr_const_operands fields for declaration specifiers.
29221         (c_parser_enum_specifier): Likewise.
29222         (c_parser_struct_or_union_specifier): Likewise.
29223         (c_parser_typeof_specifier): Likewise.  Update call to
29224         groktypename.  Fold expression as needed.  Return expressions with
29225         type instead of adding statements.
29226         (c_parser_attributes): Update calls to c_parser_expr_list.
29227         (c_parser_statement_after_labels): Fold expression before passing
29228         to objc_build_throw_stmt.
29229         (c_parser_condition): Fold expression.
29230         (c_parser_asm_operands): Fold expression.
29231         (c_parser_conditional_expression): Use c_save_expr.  Update call
29232         to build_conditional_expr.
29233         (c_parser_alignof_expression): Update call to groktypename.
29234         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
29235         original_code.  Fold expression argument of va_arg.  Create
29236         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
29237         argument to va_arg.  Update calls to groktypename.  Fold array
29238         index for offsetof.  Verify that first argument to
29239         __builtin_choose_expr has integer type.
29240         (c_parser_postfix_expression_after_paren_type): Update calls to
29241         groktypename and build_compound_literal.  Handle expressions with
29242         side effects in type name.
29243         (c_parser_postfix_expression_after_primary): Update call to
29244         c_parser_expr_list.  Set original_code for calls to
29245         __builtin_constant_p.
29246         (c_parser_expr_list): Take extra parameter fold_p.  Fold
29247         expressions if requested.
29248         (c_parser_objc_type_name): Update call to groktypename.
29249         (c_parser_objc_synchronized_statement): Fold expression.
29250         (c_parser_objc_receiver): Fold expression.
29251         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
29252         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
29253         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
29254         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
29255         (struct c_typespec): Add elements expr and expr_const_operands.
29256         (struct c_declspecs): Add elements expr and expr_const_operands.
29257         (groktypename, build_conditional_expr, build_compound_literal):
29258         Update prototypes.
29259         (in_late_binary_op): Declare.
29260         * c-typeck.c (note_integer_operands): New function.
29261         (in_late_binary_op): New variable.
29262         (decl_constant_value_for_broken_optimization): Move to c-common.c
29263         and rename to decl_constant_value_for_optimization.
29264         (default_function_array_conversion): Do not strip nops.
29265         (default_conversion): Do not call
29266         decl_constant_value_for_broken_optimization.
29267         (build_array_ref): Do not fold result.
29268         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
29269         result when operand is a VLA.
29270         (c_expr_sizeof_type): Update call to groktypename.  Handle
29271         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
29272         result when operand names a VLA type.
29273         (build_function_call): Update call to build_compound_literal.
29274         Only fold result for calls to __builtin_* functions.  Strip
29275         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
29276         the function designator.
29277         (convert_arguments): Fold arguments.  Update call to
29278         convert_for_assignment.
29279         (build_unary_op): Handle increment and decrement of
29280         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
29281         decrement earlier.  Fold operand of increment and decrement.
29282         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
29283         built for integer operand.  Wrap returns that are INTEGER_CSTs
29284         without being integer constant expressions or that have integer
29285         constant operands without being INTEGER_CSTs.
29286         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
29287         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
29288         result is an integer constant expression or can be used in
29289         unevaluated parts of one and avoid folding and wrap as
29290         appropriate.  Fold operands before possibly doing -Wsign-compare
29291         warnings.
29292         (build_compound_expr): Wrap result for C99 if operands can be used
29293         in integer constant expressions.
29294         (build_c_cast): Update call to digest_init.  Do not ignore
29295         overflow from casting floating-point constants to integers.  Wrap
29296         results that could be confused with integer constant expressions,
29297         null pointer constants or floating-point constants.
29298         (c_cast_expr): Update call to groktypename.  Handle expressions
29299         included in type name.
29300         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
29301         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
29302         Update calls to convert_for_assignment.
29303         (convert_for_assignment): Take new parameter
29304         null_pointer_constant.  Do not strip nops or call
29305         decl_constant_value_for_broken_optimization.  Set
29306         in_late_binary_op for conversions to boolean.
29307         (store_init_value): Update call to digest_init.
29308         (digest_init): Take new parameter null_pointer_constant.  Do not
29309         call decl_constant_value_for_broken_optimization.  pedwarn for
29310         initializers not constant expressions.  Update calls to
29311         convert_for_assignment.
29312         (constructor_nonconst): New.
29313         (struct constructor_stack): Add nonconst element.
29314         (really_start_incremental_init, push_init_level, pop_init_level):
29315         Handle constructor_nonconst and nonconst element.
29316         (set_init_index): Call constant_expression_warning for array
29317         designators.
29318         (output_init_element): Fold value.  Set constructor_nonconst as
29319         applicable.  pedwarn for initializers not constant expressions.
29320         Update call to digest_init.  Call constant_expression_warning
29321         where constant initializers are required.
29322         (process_init_element): Use c_save_expr.
29323         (c_finish_goto_ptr): Fold expression.
29324         (c_finish_return): Fold return value.  Update call to
29325         convert_for_assignment.
29326         (c_start_case): Fold switch expression.
29327         (c_process_expr_stmt): Fold expression.
29328         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
29329         ensure statement expression is not evaluated in constant expression.
29330         (build_binary_op): Track whether results are integer constant
29331         expressions or may occur in such, disable folding and wrap results
29332         as applicable.  Fold operands for -Wsign-compare warnings unless
29333         in_late_binary_op.
29334         (c_objc_common_truthvalue_conversion): Handle results folded to
29335         integer constants that are not integer constant expressions.
29336         * doc/extend.texi: Document when typeof operands are evaluated,
29337         that condition of __builtin_choose_expr is an integer constant
29338         expression, and more about use of __builtin_constant_p in
29339         initializers.
29340
29341 2009-03-29  Richard Guenther  <rguenther@suse.de>
29342
29343         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
29344         propagate addresses of array references.
29345
29346 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
29347
29348         * regmove.c (perhaps_ends_bb_p): Remove.
29349         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
29350         from INSN and check that the main loop stays within that basic block.
29351         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
29352         (regmove_forward_pass): Split out from regmove_optimize.  Use
29353         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
29354         (regmove_backward_pass): Split out from regmove_optimize.  Use
29355         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
29356         (regmove_optimize): Simplify.
29357
29358 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
29359
29360         PR target/39545
29361         * config/i386/i386.c (classify_argument): Ignore flexible array
29362         member in struct and warn ABI change.
29363
29364 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
29365
29366         * config/i386/i386-protos.h (ix86_agi_dependent): New.
29367
29368         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
29369         (ix86_adjust_cost): Updated.
29370
29371 2009-03-29  Jan Hubicka  <jh@suse.cz>
29372
29373         PR middle-end/28850
29374         * tree-pass.h (pass_cleanup_eh): New function.
29375         (remove_unreachable_regions): Break code handling RTL
29376         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
29377         that can not be reached by runtime.
29378         (can_be_reached_by_runtime): New function.
29379         (label_to_region_map): New function.
29380         (num_eh_regions): New function.
29381         (rtl_remove_unreachable_regions): New function.
29382         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
29383         (remove_eh_region): New function.
29384         * except.h: Include sbitmap and vecprim.
29385         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
29386         num_eh_regions): Declare.
29387         * passes.c (init_optimization_passes): Schedule cleanup_eh.
29388         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
29389         * tree-eh.c (tree_remove_unreachable_handlers): New function.
29390         (tree_empty_eh_handler_p): New function.
29391         (cleanup_empty_eh): New function.
29392         (cleanup_eh): New function.
29393         (pass_cleanup_eh): New function.
29394
29395 2009-03-29  Jan Hubicka  <jh@suse.cz>
29396
29397         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
29398         for removed regions.
29399
29400 2009-03-29  Jan Hubicka  <jh@suse.cz>
29401
29402         * except.c (dump_eh_tree): Dump all datastructures.
29403
29404 2009-03-29  Jan Hubicka  <jh@suse.cz>
29405
29406         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
29407         (duplicate_eh_regions_1): Likewise.
29408         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
29409         vector; call EH verification.
29410         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
29411         Be ready for region being removed.
29412
29413 2009-03-29  Jan Hubicka  <jh@suse.cz>
29414
29415         * bitmap.c (bitmap_last_set_bit): New function.
29416         * bitmap.h (bitmap_last_set_bit): Declare.
29417
29418 2009-03-29  David Ayers  <ayers@fsfe.org>
29419
29420         PR objc/27377
29421         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
29422         by calling objc_compare_types and surpress warnings about
29423         incompatible C pointers that are compatible ObjC pointers.
29424
29425 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
29426
29427         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
29428         call initialize_inline_failed.
29429         (initialize_inline_failed): Move it from here ...
29430         * cgraph.c (initialize_inline_failed): ... to here.
29431         (cgraph_create_edge): Call initialize_inline_failed rather than
29432         setting inline_failed directly.
29433
29434 2009-03-29  Ben Elliston  <bje@au.ibm.com>
29435
29436         PR target/32542
29437         * sysv4.opt (msdata): Improve comment.
29438         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
29439         * sysv4.h (SVR4_ASM_SPEC): Likewise.
29440
29441 2009-03-29  Ben Elliston  <bje@au.ibm.com>
29442
29443         PR target/30451
29444         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
29445         load and store attributes.
29446
29447 2009-03-29  Ben Elliston  <bje@au.ibm.com>
29448
29449         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
29450         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
29451         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
29452         * doc/extend.texi (X86 Built-in Functions): Add index entries for
29453         __builtin_infq and __builtin_huge_valq.
29454
29455 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
29456
29457         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
29458         atmega8m1 devices.
29459         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
29460         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
29461
29462 2009-03-28  Xinliang David Li  <davidxl@google.com>
29463
29464         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
29465         (do_dbg_cnt): New function.
29466
29467 2009-03-28  Jan Hubicka  <jh@suse.cz>
29468
29469         Merge from pretty-ipa:
29470
29471         2009-03-27  Jan Hubicka  <jh@suse.cz>
29472
29473         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
29474         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
29475         * passes.c (function_called_by_processed_nodes_p): New.
29476         * ipa-pure-const.c (check_call): Fix handling of operands.
29477         (analyze_function): Dump debug output for skipped bodies.
29478         (local_pure_const): Use function_called_by_processed_nodes_p.
29479         * dwarf2out.c (reference_to_unused): Use output.
29480         * passes.c (do_per_function_toporder): Likewise.
29481
29482         2008-11-12  Jan Hubicka  <jh@suse.cz>
29483
29484         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
29485         * ipa-pure-const.c (funct_state_d): Add can throw field; make
29486         state_set_in_source enum
29487         (check_decl): Ignore memory tags; do not set fake looping flags;
29488         dump diagnostics.
29489         (check_operand, check_tree, check_rhs_var, check_lhs_var,
29490         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
29491         (check_call, analyze_function): Rewrite.
29492         (check_stmt): New.
29493         (add_new_function): Update call of analyze_function.
29494         (generate_summary): Add call of analyze_function.
29495         (propagate): Propagate can_throw; handle state_set_in_source correctly.
29496         (local_pure_const): New function.
29497         (pass_local_pure_const): New pass.
29498         * ipa-inline.c (inline_transform): Set after_inlining.
29499         * tree-eh.c (stmt_can_throw_external): New.
29500         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
29501         work with aliasing built.
29502         * tree-flow.h (stmt_can_throw_external): New.
29503         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
29504         and local pure/const pass in early and late optimization queue.
29505
29506 2009-03-28  Martin Jambor  <mjambor@suse.cz>
29507
29508         * fold-const.c (get_pointer_modulus_and_residue): New parameter
29509         allow_func_align.
29510         (fold_binary): Allow function decl aligment consideration is the
29511         second argument is integer constant one.
29512         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
29513         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
29514         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
29515
29516 2009-03-28  Jan Hubicka  <jh@suse.cz>
29517
29518         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
29519         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
29520         * function.h (rtl_data): Add nothrow flag.
29521         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
29522         set DECL_NOTHROW for AVAILABLE functions.
29523
29524 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
29525
29526         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
29527         following vector keyword has expansion starting with pixel or bool
29528         keyword, expand vector to __vector and pixel or bool to __pixel or
29529         __bool.
29530
29531         PR c++/39554
29532         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
29533         warn_if_disallowed_function_p): Removed.
29534         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
29535         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
29536         warning_if_disallowed_function_p.
29537         * flags.h (warn_if_disallowed_function_p,
29538         warn_disallowed_functions): Removed.
29539         * common.opt (Wdisallowed-function-list=): Removed.
29540         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
29541
29542 2009-03-28  Richard Guenther  <rguenther@suse.de>
29543
29544         PR tree-optimization/38723
29545         * tree-ssa-pre.c (compute_avail): Add all default definitions to
29546         the entry block.
29547
29548 2009-03-28  Jan Hubicka  <jh@suse.cz>
29549
29550         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
29551         test introduced by my previous patch.
29552
29553 2009-03-28  Richard Guenther  <rguenther@suse.de>
29554
29555         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
29556         the PHIs value undefined.
29557
29558 2009-03-28  Jan Hubicka  <jh@suse.cz>
29559
29560         * tree-pass.h (pass_fixup_cfg): New pass.
29561         * ipa-inline.c (inline_transform): Set
29562         always_inline_functions_inlined/after_inlining.
29563         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
29564         (pass_fixup_cfg): New pass.
29565         * passes.c (init_optimization_passes): Add fixup_cfg.
29566
29567 2009-03-28  Richard Guenther  <rguenther@suse.de>
29568
29569         PR tree-optimization/38458
29570         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
29571         argument use the arguments copy-of value.
29572
29573 2009-03-28  Richard Guenther  <rguenther@suse.de>
29574
29575         PR tree-optimization/38180
29576         * tree-ssa-ccp.c (get_default_value): Simplify.
29577         (likely_value): Likewise.
29578         (surely_varying_stmt_p): Properly handle VOP case.
29579         (ccp_initialize): Likewise.
29580         (ccp_fold): Handle propagating through *&.
29581         (fold_const_aggregate_ref): Also handle decls.
29582
29583 2009-03-28  Jan Hubicka  <jh@suse.cz>
29584
29585         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
29586         * cgraph.h (cgraph_node): Likewise.
29587         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
29588         (cgraph_reset_node): Use process flag.
29589         (cgraph_mark_functions_to_output): Likewise.
29590         (cgraph_expand_function): Likewise.
29591         (cgraph_expand_all_functions): Likewise.
29592         (cgraph_output_in_order): Likewise.
29593         * dwarf2out.c (reference_to_unused): Likewise.
29594         * passes.c do_per_function_toporder): Likewise.
29595
29596 2009-03-28  Jan Hubicka  <jh@suse.cz>
29597
29598         Bring from lto-branch:
29599
29600         2008-09-03  Doug Kwan  <dougkwan@google.com>
29601
29602         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
29603         enums instead of reason strings.
29604         * cgraph.c (cgraph_create_edge): Same.
29605         (cgraph_inline_failed_string): New function.
29606         * cgraph.h (cgraph_inline_failed_t): New enum type.
29607         (cgraph_inline_failed_string): New prototype.
29608         (struct cgraph_edge): Change type of INLINED_FAILED from constant
29609         char pointer to cgraph_inline_failed_t.
29610         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
29611         (cgraph_default_inline_p): Ditto.
29612         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
29613         to cgraph_inline_failed_t pointer.
29614         * cif-code.def: New file.
29615         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
29616         reason string.
29617         (cgraph_check_inline_limits): Change type of REASON to pointer to
29618         cgraph_inline_failed_t.  Replace reason strings with enums.
29619         (cgraph_default_inline_p): Ditto.
29620         (cgraph_recursive_inlining_p): Ditto.
29621         (update_caller_keys): Change type of FAILED_REASON to
29622         cgraph_inline_failed_t.
29623         (cgraph_set_inline_failed): Change type of REASON to pointer to
29624         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
29625         convert enums to strings for text output.
29626         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
29627         to be of type cgraph_inline_failed_t.  Replace reason strings with
29628         enums.  Call cgraph_inline_failed_string to covert enums
29629         to strings for text output.
29630         (cgraph_decide_inlining): Replace reason strings with enums.
29631         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
29632         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
29633         for text output.
29634         * tree-inline.c (expand_call_inline): Change type of REASON
29635         to cgraph_inline_failed_t.  Replace reason strings with enums.
29636         Call cgraph_inline_failed_string for text output.
29637         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
29638         (cgraph.o): Ditto.
29639
29640 2009-03-28  Jan Hubicka  <jh@suse.cz>
29641
29642         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
29643         cgraph_clone_node): Remove master clone handling.
29644         (cgraph_is_master_clone, cgraph_master_clone): Remove.
29645         * cgraph.h (master_clone): Remove.
29646         (cgraph_is_master_clone, cgraph_master_clone): Remove.
29647         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
29648         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
29649
29650 2009-03-28  Jan Hubicka  <jh@suse.cz>
29651
29652         * cgraph.c (cgraph_function_body_availability): Functions declared
29653         inline are always safe to assume that it is not going to be replaced.
29654
29655 2009-03-28  Richard Guenther  <rguenther@suse.de>
29656
29657         PR tree-optimization/38513
29658         * tree-ssa-pre.c (eliminate): Remove redundant stores.
29659         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
29660         EXC_PTR_EXPR and FILTER_EXPR.
29661         (get_ref_from_reference_ops): Likewise.
29662
29663 2009-03-28  Richard Guenther  <rguenther@suse.de>
29664
29665         PR tree-optimization/38968
29666         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
29667         Use FLOOR_MOD_EXPR to compute misalignment.
29668
29669 2009-03-28  Richard Guenther  <rguenther@suse.de>
29670
29671         PR tree-optimization/37795
29672         * tree.h (combine_comparisons): Declare.
29673         * fold-const.c (combine_comparisons): Export.
29674         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
29675         comparisons.
29676         (ifcombine_iforif): Use combine_comparisons.
29677
29678 2009-03-28  Jan Hubicka  <jh@suse.cz>
29679
29680         * tree-eh.c (inlinable_call_p): New function.
29681         (make_eh_edges): Use it.
29682         (verify_eh_edges): Use it.
29683         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
29684         * except.c (reachable_next_level): Add inlinable_function argument
29685         (sjlj_find_directly_reachable_regions): Update.
29686         (add_reachable_handler): Do not set saw_any_handlers.
29687         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
29688         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
29689         Add new inlinable call parameter.
29690         (can_throw_internal, can_throw_external): Update.
29691         * except.h (can_throw_internal_1, can_throw_external_1,
29692         foreach_reachable_handler): Update declaration.
29693
29694 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
29695
29696         * config/arm/t-arm-coff, config/h8300/coff.h,
29697         config/i386/i386-aout.h, config/i386/i386-coff.h,
29698         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
29699         config/pdp11/2bsd.h, config/rs6000/aix41.h,
29700         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
29701         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
29702         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
29703         sys-types.h: Remove.
29704         * Makefile.in: Remove protoize and fixproto support and references
29705         in comments.
29706         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
29707         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
29708         Remove.
29709         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
29710         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
29711         unprotoize$(exeext).
29712         (rest.encap): Don't depend on $(STMP_FIXPROTO)
29713         (.PHONY): Don't depend on proto.
29714         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
29715         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
29716         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
29717         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
29718         build/gen-protos.o, build/scan.o, xsys-protos.h,
29719         build/fix-header$(build_exeext), build/fix-header.o,
29720         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
29721         stmp-install-fixproto): Remove.
29722         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
29723         SYSCALLS.c or fixproto files.
29724         (install-common): Don't install protoize.
29725         (install-headers-tar, install-headers-cpio, install-headers-cp):
29726         Don't depend on $(STMP_FIXPROTO).
29727         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
29728         install fixproto files or write out fixproto settings.
29729         (uninstall): Don't uninstall protoize.
29730         * config.gcc (use_fixproto): Remove.
29731         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
29732         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
29733         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
29734         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
29735         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
29736         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
29737         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
29738         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
29739         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
29740         * config/t-vxworks (STMP_FIXPROTO): Remove.
29741         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
29742         STMP_FIXPROTO): Remove.
29743         * config.in, configure: Regenerate.
29744         * crtstuff.c (gid_t, uid_t): Don't undefine.
29745         * doc/install.texi: Change m68k-coff to m68k-elf in example.
29746         (arm-*-coff, arm-*-aout: Remove target entries.
29747         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
29748         Remove mention of AIX 4.1.
29749         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
29750         * doc/invoke.texi (Running Protoize): Remove.
29751         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
29752         (Protoize Caveats): Remove.
29753         * tsystem.h: Update comments on headers assumed to exist.
29754
29755 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
29756
29757         * genautomata.c: Add a new year to the copyright.  Add a new
29758         reference.
29759         (struct insn_reserv_decl): Add comments for member bypass_list.
29760         (find_bypass): Remove.
29761         (insert_bypass): New.
29762         (process_decls): Use insert_bypass.
29763         (output_internal_insn_latency_func): Output all bypasses with the
29764         same input insn in one switch case.
29765
29766         * rtl.def (define_bypass): Describe bypass choice.
29767         * doc/md.texi (define_bypass): Ditto.
29768
29769 2009-03-27  Richard Guenther  <rguenther@suse.de>
29770
29771         * gimplify.c (mark_addressable): Export.
29772         * tree-flow.h (mark_addressable): Declare.
29773         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
29774         * tree-ssa.c (verify_phi_args): Verify that address taken
29775         variables have TREE_ADDRESSABLE set.
29776
29777 2009-03-27  Richard Guenther  <rguenther@suse.de>
29778
29779         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
29780         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
29781         Do not mark decls TREE_ADDRESSABLE.
29782         (build_fold_addr_expr): Adjust.
29783         (fold_addr_expr): Remove.
29784         (fold_unary): Use build_fold_addr_expr.
29785         (fold_comparison): Likewise.
29786         (split_address_to_core_and_offset): Likewise.
29787         * coverage.c (tree_coverage_counter_addr): Mark the array decl
29788         TREE_ADDRESSABLE.
29789         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
29790         (gimplify_modify_expr_to_memcpy): Mark source and destination
29791         addressable.
29792         * omp-low.c (create_omp_child_function): Mark the object decl
29793         TREE_ADDRESSABLE.
29794         (lower_rec_input_clauses): Mark the var we take the address of
29795         TREE_ADDRESSABLE.
29796         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
29797
29798 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29799
29800         PR middle-end/39315
29801         * cfgexpand.c (expand_one_stack_var_at): Change alignment
29802         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
29803
29804 2009-03-27  Richard Guenther  <rguenther@suse.de>
29805
29806         PR tree-optimization/39120
29807         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
29808         constraints.
29809         (handle_lhs_call): Process return constraints.  Add escape
29810         constraints if necessary.
29811         (handle_const_call): Fill out return constraints.  Make nested
29812         case more precise.  Avoid consttmp if possible.
29813         (handle_pure_call): Fill out return constraints.  Avoid
29814         callused if possible.
29815         (find_func_aliases): Simplify call handling.
29816
29817 2009-03-27  Richard Guenther  <rguenther@suse.de>
29818
29819         PR tree-optimization/39120
29820         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
29821         as a representative.
29822         (solve_graph): Do propagate CALLUSED.
29823         (handle_pure_call): Use a scalar constraint from CALLUSED for
29824         the return value.
29825         (find_what_p_points_to): CALLUSED shall not appear in poins-to
29826         solutions.
29827
29828 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29829
29830         PR c/39323
29831         * c-common.c (handle_aligned_attribute): Properly check alignment
29832         overflow.  Use (1U << i) instead of (1 << i).
29833
29834         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
29835
29836         * expr.h (get_mem_align_offset): Updated.
29837
29838         * tree.h (tree_decl_common): Change align to "unsigned int" and
29839         move it before pointer_alias_set.
29840
29841 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29842             Jakub Jelinek  <jakub@redhat.com>
29843
29844         PR target/38034
29845         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
29846         gr_register_operand with gr_reg_or_0_operand.
29847         (cmpxchg_rel_di): Likewise.
29848         (sync_lock_test_and_set<mode>): Likewise.
29849
29850 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29851
29852         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
29853         (true_regnum): Likewise.
29854
29855         * rtlanal.c (subreg_info): Moved to ...
29856         * rtl.h (subreg_info): Here.  New.
29857         (subreg_get_info): New.
29858
29859         * rtlanal.c (subreg_get_info): Make it extern.
29860
29861 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29862
29863         PR target/39472
29864         * config/i386/i386.c (ix86_abi): New.
29865         (override_options): Handle -mabi=.
29866         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
29867         (ix86_call_abi_override): Likewise.
29868         (init_cumulative_args): Likewise.
29869         (function_arg_advance): Likewise.
29870         (function_arg_64): Likewise.
29871         (function_arg): Likewise.
29872         (ix86_pass_by_reference): Likewise.
29873         (ix86_function_value_regno_p): Likewise.
29874         (ix86_build_builtin_va_list_abi): Likewise.
29875         (setup_incoming_varargs_64): Likewise.
29876         (is_va_list_char_pointer): Likewise.
29877         (ix86_init_machine_status): Likewise.
29878         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
29879         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
29880         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
29881         (ix86_function_abi): Make it static and return enum calling_abi.
29882         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
29883         with ix86_abi.
29884         (ix86_fn_abi_va_list): Updated.
29885
29886         * config/i386/i386.h (ix86_abi): New.
29887         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
29888         (CONDITIONAL_REGISTER_USAGE): Likewise.
29889         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
29890         (machine_function): Likewise.
29891
29892         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
29893         with ix86_abi.
29894         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
29895         (STACK_BOUNDARY): Likewise.
29896         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
29897
29898         * config/i386/i386.opt (mabi=): New.
29899
29900         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
29901         return enum calling_abi.
29902         (ix86_function_type_abi): Likewise.
29903         (ix86_function_abi): Removed.
29904
29905         * doc/invoke.texi: Document -mabi= option for x86.
29906
29907 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
29908
29909         * builtins.c (real_dconstp): Delete.
29910         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
29911
29912 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
29913             Jakub Jelinek  <jakub@redhat.com>
29914
29915         PR debug/37959
29916         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
29917         (gen_subprogram_die): When a function is explicit, generate the
29918         DW_AT_explicit attribute.
29919         * langhooks.h (struct lang_hooks_for_decls): Add
29920         function_decl_explicit_p langhook.
29921         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
29922         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
29923
29924 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
29925
29926         * builtins.c (fold_builtin_memory_op): Optimize memmove
29927         into memcpy if we can prove source and destination don't overlap.
29928
29929         * tree-inline.c: Include gt-tree-inline.h.
29930         (clone_fn_id_num): New variable.
29931         (clone_function_name): New function.
29932         (tree_function_versioning): Use it.
29933         * Makefile.in (GTFILES): Add tree-inline.c.
29934
29935 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
29936
29937         * BASE-VER: Change to 4.5.0.
29938
29939 2009-03-27  Xinliang David Li  <davidxl@google.com>
29940
29941         PR tree-optimization/39557
29942         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
29943
29944 2009-03-27  Xinliang David Li  <davidxl@google.com>
29945
29946         PR tree-optimization/39548
29947         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
29948         candidate check.
29949
29950 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29951
29952         * c-common.c (pointer_int_sum): Use %wd on return from
29953         tree_low_cst.
29954
29955 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
29956
29957         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
29958         on return from tree_low_cst.
29959
29960 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
29961
29962         PR c++/36799
29963         * ginclude/stdarg.h (va_copy): Define also for
29964         __GXX_EXPERIMENTAL_CXX0X__.
29965
29966 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
29967
29968         PR c++/35652
29969         * builtins.h (c_strlen): Do not warn here.
29970         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
29971         * c-common.c (pointer_int_sum): Take an explicit location.
29972         Warn about offsets out of bounds.
29973         * c-common.h (pointer_int_sum): Adjust declaration.
29974
29975 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29976
29977         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
29978         markup glitch.
29979
29980 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
29981
29982         PR c++/39554
29983         * opts.c (warn_if_disallowed_function_p): Don't assume
29984         get_callee_fndecl must return non-NULL.
29985
29986 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
29987
29988         PR rtl-optimization/39522
29989         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
29990         when reg_reloaded_valid is set.
29991
29992 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29993
29994         * config/spu/divv2df3.c: New file.
29995         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
29996         (DPBIT_FUNCS): Filter out _div_df.
29997
29998 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
29999
30000         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
30001         a jump insn, count that jump in the distance to the loop start.
30002
30003 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
30004
30005         PR target/39523
30006         * config/sh/sh.c (calc_live_regs): Fix condition for global
30007         registers except PIC_OFFSET_TABLE_REGNUM.
30008
30009 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
30010
30011         PR/39518
30012         * doc/invoke.texi (-mconsole): New.
30013         (-mcygwin): New.
30014         (-mno-cygwin): New.
30015         (-mdll): New.
30016         (-mnop-fun-dllimport): New.
30017         (-mthread): New.
30018         (-mwin32): New.
30019         (-mwindows): New.
30020         (sub section "i386 and x86-64 Windows Options"): New.
30021
30022 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
30023
30024         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
30025         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
30026
30027 2009-03-25  Richard Guenther  <rguenther@suse.de>
30028
30029         PR middle-end/39497
30030         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
30031         of -Wno-error.
30032
30033 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
30034
30035         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
30036         neither of haifa/selective schedulers are working.
30037
30038 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30039
30040         * doc/invoke.texi (Debugging Options): Fix description of
30041         -fno-merge-debug-strings.
30042
30043 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
30044
30045         * config/cris/libgcc.ver: New version-script.
30046         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
30047
30048         * configure.ac <GAS features, nop mnemonic>: Add pattern
30049         crisv32-*-* for "nop".
30050         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
30051         * configure: Regenerate.
30052
30053 2009-03-24  Ira Rosen  <irar@il.ibm.com>
30054
30055         PR tree-optimization/39529
30056         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
30057         mark_sym_for_renaming for the tag copied to the new vector
30058         pointer.
30059
30060 2009-03-24  Arthur Loiret  <aloiret@debian.org>
30061
30062         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
30063         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
30064         EXTRA_SPEC_FUNCTIONS.
30065         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
30066         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
30067         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
30068         -march and -mtune options.
30069
30070 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
30071
30072         * config/m68k/t-rtems: Add m5329 multilib.
30073
30074 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
30075             Jakub Jelinek  <jakub@redhat.com>
30076
30077         PR debug/39524
30078         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
30079         nodes.
30080
30081 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
30082
30083         PR c/39495
30084         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
30085         instead of c_parser_expression_conv, if original_code isn't one of the
30086         4 allowed comparison codes, fail.
30087
30088 2009-03-23  Richard Guenther  <rguenther@suse.de>
30089
30090         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
30091         * tree.h (struct tree_type): Likewise.
30092         * reload.h (struct insn_chain): Likewise.
30093         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
30094         * function.h (struct function): Likewise.
30095         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
30096
30097 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
30098
30099         PR tree-optimization/39516
30100         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
30101
30102 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
30103
30104         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
30105         should be set true if BITS_PER_WORD of target is bigger than 32
30106
30107 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
30108
30109         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
30110         Translate -B-options to -rpath-link.  Correct existing
30111         rpath-link and conditionalize on !nostdlib.
30112
30113 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30114
30115         * doc/extend.texi (Function Attributes, Variable Attributes):
30116         Fix typos.
30117         * doc/invoke.texi (Debugging Options, Optimize Options)
30118         (i386 and x86-64 Options, MCore Options): Likewise.
30119
30120 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
30121
30122         PR debug/37890
30123         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
30124         it for block local namespace aliases.
30125         (gen_decl_die): Pass context_die to gen_namespace_die.
30126
30127 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
30128
30129         PR c/39495
30130         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
30131         minimum or maximum value.
30132
30133 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
30134
30135         * reginfo.c (globalize_reg): Recompute derived reg sets.
30136
30137 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
30138
30139         PR target/39063
30140         * libgcc2.c (mprotect): Do not use signed arguments for
30141         VirtualProtect, use DWORD arguments.  Also fix the 'may
30142         be used uninitialized' warning for the np variable.
30143
30144 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
30145
30146         PR target/39496
30147         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
30148         functions using regparm calling conventions when not optimizing.
30149         (ix86_function_sseregparm): Similarly for sseregparm calling
30150         conventions.
30151
30152 2009-03-19  Li Feng  <nemokingdom@gmail.com>
30153
30154         PR middle-end/39500
30155         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
30156         dependence if the first conflict is after niter iterations.
30157
30158 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
30159
30160         PR middle-end/38609
30161         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
30162         functions with dynamic stack-pointer adjustments.
30163
30164 2009-03-19  Ben Elliston  <bje@au.ibm.com>
30165
30166         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
30167         option; change to -msdata=data.
30168
30169 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30170
30171         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
30172         and -fopenmp.
30173
30174 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
30175
30176         PR target/35180
30177         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
30178
30179 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
30180
30181         * doc/invoke.texi (Code Gen Options): Expand discussion of
30182         -fno-common.
30183
30184 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
30185
30186         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
30187         * matrix-reorg.c (struct matrix_info): Likewise.
30188         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
30189         * rtl.h (struct mem_attrs): Likewise.
30190         * df.h (struct df): Likewise.
30191         * tree-data-ref.h (struct data_dependence_relation): Likewise.
30192         * ira-int.h (struct ira_allocno): Likewise.
30193         * df-scan.c (struct df_collection_rec): Likewise.
30194         * ira.c (struct equivalence): Likewise.
30195         * function.c (struct temp_slot): Likewise.
30196         * cfgloop.h (struct loop): Likewise.
30197
30198         PR debug/39485
30199         * function.c (use_register_for_decl): When not optimizing, disregard
30200         register keyword for variables with types containing methods.
30201
30202 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
30203
30204         PR middle-end/39447
30205         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
30206         (is_simple_operand): Call contains_component_ref_p before calling data
30207         reference analysis that would fail on COMPONENT_REFs.
30208
30209         * tree-vrp.c (search_for_addr_array): Fix formatting.
30210
30211 2009-03-18  Richard Guenther  <rguenther@suse.de>
30212
30213         * tree-vect-transform.c (vect_loop_versioning): Fold the
30214         generated comparisons.
30215         * tree-vectorizer.c (set_prologue_iterations): Likewise.
30216         (slpeel_tree_peel_loop_to_edge): Likewise.
30217
30218 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30219
30220         PR middle-end/37805
30221         * opts.c (print_specific_help): In addition to `undocumented',
30222         accept `separate' and `joined' flags if passed alone.  Describe
30223         output by the first matched one of those.
30224         (common_handle_option): Skip over empty strings.
30225         * gcc.c (display_help): Fix help string for `--help='.
30226         * doc/invoke.texi (Option Summary, Overall Options): With
30227         `--help=', classes and qualifiers can both be repeated, but
30228         only the latter can be negated.  One should not pass only
30229         negated qualifiers.  Fix markup and examples.
30230
30231         Revert
30232         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
30233         PR middle-end/37805
30234         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
30235         and -fhelp=separate.
30236
30237 2009-03-17  Jing Yu  <jingyu@google.com>
30238
30239         PR middle-end/39378
30240         * function.h (struct rtl_data): Move is_thunk from here...
30241         (struct function): ...to here.
30242         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
30243         * varasm.c (assemble_start_function): Change is_thunk from crtl to
30244         cfun.
30245         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
30246         cfun.
30247         (alpha_does_function_need_gp, alpha_start_function): Likewise.
30248         (alpha_output_function_end_prologue): Likewise.
30249         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
30250         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
30251         (rs6000_output_function_epilogue): Likewise.
30252         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
30253
30254 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
30255
30256         PR target/39482
30257         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
30258         from different units in a single alternative.
30259         (*truncdfsf_i387): Ditto.
30260         (*truncxfsf2_mixed): Ditto.
30261         (*truncxfdf2_mixed): Ditto.
30262
30263 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
30264
30265         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
30266         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
30267
30268         PR debug/39474
30269         * tree-ssa-live.c (remove_unused_locals): Don't remove local
30270         unused non-artificial variables when not optimizing.
30271
30272         PR debug/39471
30273         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
30274         DW_TAG_imported_module even if decl is IMPORTED_DECL with
30275         NAMESPACE_DECL in its DECL_INITIAL.
30276
30277         PR middle-end/39443
30278         * optabs.c (set_user_assembler_libfunc): New function.
30279         * expr.h (set_user_assembler_libfunc): New prototype.
30280         * c-common.c: Include libfuncs.h.
30281         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
30282         for memcmp, memset, memcpy, memmove and abort.
30283         * Makefile.in (c-common.o): Depend on libfuncs.h.
30284
30285         PR debug/39412
30286         * dwarf2out.c (gen_inlined_enumeration_type_die,
30287         gen_inlined_structure_type_die, gen_inlined_union_type_die,
30288         gen_tagged_type_instantiation_die): Removed.
30289         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
30290         do nothing.
30291
30292 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
30293
30294         PR testsuite/38526
30295         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
30296         its use.
30297         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
30298         (check-parallel-%): Ditto.
30299         (check-consistency): Ditto.
30300
30301 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
30302
30303         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
30304         local variable rhs by NULL_TREE.
30305
30306 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
30307
30308         PR target/39477
30309         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
30310
30311 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
30312
30313         PR target/39476
30314         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
30315
30316 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
30317
30318         PR target/39473
30319         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
30320         for ms->sysv ABI calls only in 64bit mode.
30321
30322         * config/i386/i386.md (untyped_call): Support 32bit.
30323
30324 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
30325
30326         * doc/extend.texi: Replace x86_65 with x86_64.
30327
30328 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
30329
30330         PR tree-optimization/39455
30331         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
30332         mismatches for POINTER_TYPE_P (type).
30333         (number_of_iterations_le): Likewise.
30334
30335 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
30336
30337         * config/picochip/picochip.c: Removed profiling support.
30338         * config/picochip/picochip.md: Removed profiling instruction.
30339         * config/picochip/picochip.h: Removed profiling builtin.
30340
30341 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
30342
30343         * doc/install.texi (--with-host-libstdcxx): Document.
30344
30345 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
30346
30347         PR target/34299
30348         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
30349         generate a warning if the function name does not begin with
30350         "__vector" and the function has either the 'signal' or 'interrupt'
30351         attribute, from here to ...
30352         (avr_declare_function_name): ...here. New function.
30353         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
30354         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
30355
30356 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
30357
30358         PR bootstrap/39454
30359         * cse.c (fold_rtx): Don't modify original const_arg1 when
30360         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
30361         separate variable instead.
30362         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
30363         from out of range shift counts.
30364         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
30365
30366 2009-03-13  Catherine Moore  <clm@codesourcery.com>
30367
30368         * config/i386/x-mingw32 (host-mingw32.o): Replace
30369         diagnostic.h with $(DIAGNOSTIC_H).
30370
30371 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
30372
30373         PR target/39431
30374         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
30375         predicate.
30376         * config/i386/sync.md (sync_compare_and_swap<mode>,
30377         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
30378         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
30379         into a register.
30380         (sync_double_compare_and_swapdi_pic,
30381         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
30382         cmpxchg8b_pic_memory_operand instead of just memory_operand.
30383
30384 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
30385
30386         PR target/39445
30387         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
30388
30389 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
30390
30391         PR target/39327
30392         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
30393         (avx_addsubv4df3): Likewise.
30394         (*avx_addsubv4sf3): Likewise.
30395         (sse3_addsubv4sf3): Likewise.
30396
30397 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
30398
30399         PR target/38824
30400         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
30401
30402 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
30403
30404         PR debug/39432
30405         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
30406         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
30407         registers for allocnos created from user-defined variables.
30408
30409 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30410
30411         PR target/39181
30412         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
30413         of non-integer mode as well.
30414
30415 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
30416
30417         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
30418         for functions for which the parameter types are unknown.
30419
30420 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
30421
30422         PR target/39137
30423         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
30424         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
30425         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
30426         * config/i386/i386.c (ix86_local_alignment): For
30427         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
30428         long long variables on the stack to avoid dynamic realignment.
30429         Allow the first argument to be a decl rather than type.
30430         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
30431
30432 2009-03-11  Nick Clifton  <nickc@redhat.com>
30433
30434         PR target/5362
30435         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
30436         options.
30437         Add description to mno-lsim option.
30438         * config/mcore/mcore.h: Remove comment about deprecated m4align
30439         option.
30440         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
30441         * doc/invoke.texi: Add description of mno-lsim and
30442         mstack-increment options.
30443
30444         * config/fr30/fr30.opt: Document the -mno-lsim option.
30445         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
30446         and -mno-lsim options.
30447
30448 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30449
30450         * fold-const.c (fold_comparison): Only call fold_inf_compare
30451         if the mode supports infinities.
30452
30453 2009-03-11  Jason Merrill  <jason@redhat.com>
30454
30455         PR debug/39086
30456         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
30457         end already did.  Notice GIMPLE_CALL modifications of the result.
30458         Don't copy debug information from an ignored decl or a decl from
30459         another function.
30460
30461 2009-03-10  Richard Guenther  <rguenther@suse.de>
30462             Nathan Froyd  <froydnj@codesourcery.com>
30463
30464         PR middle-end/37850
30465         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
30466         (__divMODE3): Likewise.
30467
30468 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
30469
30470         PR tree-optimization/39394
30471         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
30472         DECL_SIZE_UNIT of variable length FIELD_DECLs.
30473
30474 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
30475
30476         * recog.c (verfiy_changes): Disallow renaming of hard regs in
30477         inline asms for register asm ("") declarations.
30478
30479 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
30480
30481         * fold-const.c (fold_unary): Fix comment.
30482
30483 2009-03-07  Jan Hubicka  <jh@suse.cz>
30484
30485         PR target/39361
30486         * tree-inline.c (setup_one_parameter): Do replacement of const
30487         argument by constant in SSA form.
30488
30489 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30490
30491         PR middle-end/38028
30492         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
30493         determine alignment passed to assign_stack_local.
30494         (assign_parms_unsplit_complex): Likewise.
30495         * except.c (sjlj_build_landing_pads): Likewise.
30496
30497 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
30498
30499         PR middle-end/39360
30500         * tree-flow.h (add_referenced_var): Return bool instead of void.
30501         * tree-dfa.c (add_referenced_var): Return result of
30502         referenced_var_check_and_insert call.
30503         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
30504         of referenced_var_check_and_insert.
30505
30506         PR debug/39372
30507         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
30508         (gen_variable_die): Emit DW_AT_location on abstract static variable's
30509         DIE, don't emit it if abstract origin already has it.
30510         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
30511         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
30512
30513 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
30514
30515         * genpreds.c (needs_variable): Fix parentheses at variable name
30516         detection.
30517         (write_tm_constrs_h): Indent generated code.
30518
30519 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
30520
30521         * doc/extend.texi (Function Attributes): Add documentation
30522         for isr attributes.
30523
30524 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
30525
30526         PR debug/39387
30527         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
30528         take locus from its DECL_SOURCE_LOCATION instead of input_location.
30529
30530 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
30531
30532         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
30533         the loop as bad.
30534
30535 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
30536
30537         PR debug/39379
30538         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
30539         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
30540
30541 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
30542
30543         * config/i386/i386.md (R8_REG, R9_REG): New constants.
30544         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
30545         constants instead of magic numbers.
30546         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
30547         (QI_REG_P): Ditto.
30548         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
30549         (x86_64_ms_abi_int_parameter_registers): Ditto.
30550         (x86_64_int_return_registers): Ditto.
30551         (ix86_maybe_switch_abi): Ditto.
30552         (ix86_expand_call): Ditto for clobbered_registers array.
30553         (ix86_hard_regno_mode_ok): Ditto.
30554         (x86_extended_QIreg_mentioned_p): Ditto.
30555
30556 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
30557
30558         PR tree-optimization/39349
30559         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
30560
30561         * combine.c (gen_lowpart_for_combine): Use omode when generating
30562         clobber.
30563
30564 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
30565
30566         PR rtl-optimization/39235
30567         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
30568
30569 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
30570
30571         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
30572
30573 2009-03-04  Richard Guenther  <rguenther@suse.de>
30574
30575         PR tree-optimization/39362
30576         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
30577         that occur in abnormal PHIs should be varying.
30578
30579 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
30580
30581         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
30582         Extend comments.
30583         (simple_iv):  Take loop as an argument instead of statement.
30584         * tree-scalar-evolution.h (simple_iv): Declaration changed.
30585         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
30586         to simple_iv.
30587         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
30588         Ditto.
30589         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
30590         * matrix-reorg.c (analyze_transpose): Ditto.
30591         * tree-data-ref.c (dr_analyze_innermost): Ditto.
30592         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
30593         * tree-predcom.c (ref_at_iteration): Ditto.
30594         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
30595
30596 2009-03-04  Richard Guenther  <rguenther@suse.de>
30597
30598         PR tree-optimization/39358
30599         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
30600         escaped_id and callused_id.
30601         (solve_graph): Likewise.
30602
30603 2009-03-04  Richard Guenther  <rguenther@suse.de>
30604
30605         PR tree-optimization/39339
30606         * tree-sra.c (try_instantiate_multiple_fields): Make it
30607         no longer ICE on the above.
30608
30609 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
30610
30611         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
30612         that fits within Pmode.
30613
30614 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
30615
30616         PR middle-end/10109
30617         * tm.texi (LIBCALL_VALUE): Update description.
30618
30619 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
30620
30621         PR middle-end/34443
30622         * doc/extend.texi (section): Update description.
30623
30624 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
30625
30626         PR middle-end/39345
30627         * tree-inline.c (remapped_type): New.
30628         (can_be_nonlocal): Call remapped_type instead of remap_type.
30629
30630 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
30631
30632         PR fortran/39354
30633         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
30634         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
30635
30636 2009-03-03  Richard Guenther  <rguenther@suse.de>
30637
30638         PR middle-end/39272
30639         * tree.c (tree_nonartificial_location): New function.
30640         * tree.h (tree_nonartificial_location): Declare.
30641         * builtins.c (expand_builtin_memory_chk): Provide location
30642         of the call location for artificial function pieces.
30643         (maybe_emit_chk_warning): Likewise.
30644         (maybe_emit_sprintf_chk_warning): Likewise.
30645         (maybe_emit_free_warning): Likewise.
30646         * expr.c (expand_expr_real_1): Likewise.
30647
30648 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
30649
30650         PR tree-optimization/39343
30651         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
30652         COMPONENT_REF t has ARRAY_TYPE.
30653
30654 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
30655
30656         PR middle-end/39335
30657         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
30658         when the type precision of the induction variable should be
30659         larger than the type precision of nit.
30660         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
30661         * graphite.c (graphite_loop_normal_form): Same.
30662         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
30663
30664 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
30665
30666         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
30667         (*call_1_rex64_ms_sysv): Use named constants instead of magic
30668         numbers to describe clobbered registers.
30669         (*call_value_0_rex64_ms_sysv): Ditto.
30670         * config/i386/mmx.md (mmx_emms): Ditto.
30671         (mmx_femms): Ditto.
30672
30673 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
30674
30675         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
30676         of ABI_64.
30677
30678 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
30679
30680         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
30681         (spu_section_type_flags): New function.
30682
30683 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
30684
30685         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
30686         reg_class_contents of FLOAT_REGS into a temporary.
30687
30688 2009-03-02  Richard Guenther  <rguenther@suse.de>
30689             Ira Rosen  <irar@il.ibm.com>
30690
30691         PR tree-optimization/39318
30692         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
30693         information to the vectorized statement.
30694
30695 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
30696
30697         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
30698         variable.  Use defined names instead of magic constants for REX SSE
30699         registers.
30700
30701 2009-03-01  Richard Guenther  <rguenther@suse.de>
30702
30703         PR tree-optimization/39331
30704         * omp-low.c (lower_send_shared_vars): Do not receive new
30705         values for the reference of DECL_BY_REFERENCE parms or results.
30706
30707 2009-03-01  Jan Hubicka  <jh@suse.cz>
30708
30709         PR debug/39267
30710         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
30711         BLOCK_NONLOCALIZED_VAR): New macros.
30712         (tree_block): Add nonlocalized_vars.
30713         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
30714         gen_decl_die): Add origin argument.  Allow generation of die with
30715         origin at hand only.
30716         (gen_member_die, gen_type_die_with_usage, force_decl_die,
30717         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
30718         of gen_*.
30719         (gen_block_die): Fix checking for unused blocks.
30720         (process_scope_var): Break out from .... ; work with origins only.
30721         (decls_for_scope) ... here; process nonlocalized list.
30722         (dwarf2out_ignore_block): Look for nonlocalized vars.
30723         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
30724         vars.
30725         (dump_scope_block): Dump them.
30726         * tree-inline.c (remap_decls): Handle nonlocalized vars.
30727         (remap_block): Likewise.
30728         (can_be_nonlocal): New predicate.
30729         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
30730
30731 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30732
30733         * configure: Regenerate.
30734
30735 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
30736
30737         * optc-gen.awk: No need to duplicate option flags twice.
30738         Reuse help texts for duplicate options which do not have any.
30739
30740         * gcc.c (display_help): Document --version.
30741
30742         * gcc.c (main): If print_help_list and verbose_flag, ensure
30743         driver output comes before subprocess output.
30744
30745         * optc-gen.awk: Assign all remaining fields to help string,
30746         space-separated, for multi-line help in *.opt.
30747
30748         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
30749         -Wno-pedantic-ms-format is for MinGW targets only.
30750
30751         * doc/options.texi (Option file format): Fix bad indentation,
30752         restoring dropped sentence.
30753
30754 2009-02-28  Jan Hubicka  <jh@suse.cz>
30755
30756         * tree-inline.c (tree_function_versioning): Output debug info.
30757
30758 2009-02-28  Jan Hubicka  <jh@suse.cz>
30759
30760         PR debug/39267
30761         * tree-inline.c (setup_one_parameter): Do not copy propagate
30762         arguments when not optimizing.
30763
30764 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
30765
30766         PR target/39327
30767         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
30768         (avx_addsubv4df3): Likewise.
30769         (*avx_addsubv4sf3): Likewise.
30770         (sse3_addsubv4sf3): Likewise.
30771         (*avx_addsubv2df3): Likewise.
30772         (sse3_addsubv2df3): Likewise.
30773         (avx_unpckhps256): Correct item selectors.
30774         (avx_unpcklps256): Likewise.
30775         (avx_unpckhpd256): Likewise.
30776         (avx_unpcklpd256): Likewise.
30777
30778 2009-02-28  Jan Hubicka  <jh@suse.cz>
30779
30780         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
30781         static vars.
30782         (copy_arguments_for_versioning): If var is declared don't declare it.
30783         (tree_function_versioning): First setup substitutions and then copy
30784         args.
30785
30786 2009-02-27  Jan Hubicka  <jh@suse.cz>
30787
30788         PR debug/39267
30789         * cgraph.h (varpool_output_debug_info): Remove.
30790         * cgraphunit.c (varpool_output_debug_info): Remove.
30791         * dwarf2out.c (deferred_locations_struct): New struct
30792         (deferred_locations): New type.
30793         (deferred_locations_list): New static var.
30794         (deffer_location): New function.
30795         (gen_variable_die): Use it.
30796         (decls_for_scope): Output info on local static vars.
30797         (dwarf2out_finish): Process deferred locations.
30798         * varpool.c (varpool_output_debug_info): Remove.
30799
30800 2009-02-27  Jan Hubicka  <jh@suse.cz>
30801
30802         PR debug/39267
30803         * tree.h (TREE_PROTECTED): Fix comment.
30804         (BLOCK_HANDLER_BLOCK): Remove.
30805         (struct tree_block): Remove handler_block add body_block.
30806         (inlined_function_outer_scope_p): New.
30807         (is_body_block): Remove.
30808         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
30809         * dwarf2out.c (is_inlined_entry_point): Remove.
30810         (add_high_low_attributes): Use inlined_function_outer_scope_p.
30811         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
30812         code.
30813         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
30814         * gimplify.c (gimplify_expr): Gimplify body blocks.
30815         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
30816         block with multiple subblocks.
30817         (dump_scope_block): Prettier output; dump more flags and info.
30818         (dump_scope_blocks): New.
30819         (remove_unused_locals): Use dump_scope_blocks.
30820         * tree-flow.h (dump_scope_blocks): Declare.
30821         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
30822         * stmt.c (is_body_block): Remove.
30823         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
30824         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
30825
30826 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
30827
30828         PR middle-end/39308
30829         * graphite.c (graphite_loop_normal_form): Do not call
30830         number_of_iterations_exit from a gcc_assert.
30831
30832 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
30833
30834         * config/s390/s390.c (s390_swap_cmp): Look for conditional
30835         jumps if COND is NULL.
30836         (find_cond_jump): New function.
30837         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
30838         * config/s390/s390.md: Remove z10_cobra attribute value.
30839
30840 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
30841
30842         * config/alpha/alpha.h (alpha_expand_mov): Return false if
30843         force_const_mem returns NULL_RTX.
30844
30845 2009-02-26  Jan Hubicka  <jh@suse.cz>
30846
30847         PR debug/39267
30848         * cgraph.h (varpool_output_debug_info): Remove.
30849         * cgraphunit.c (varpool_output_debug_info): Remove.
30850         * dwarf2out.c (deferred_locations_struct): New struct
30851         (deferred_locations): New type.
30852         (deferred_locations_list): New static var.
30853         (deffer_location): New function.
30854         (gen_variable_die): Use it.
30855         (decls_for_scope): Output info on local static vars.
30856         (dwarf2out_finish): Process deferred locations.
30857         * varpool.c (varpool_output_debug_info): Remove.
30858
30859 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
30860
30861         PR rtl-optimization/39241
30862         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
30863         to subreg_offset_representable_p.
30864
30865 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
30866
30867         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
30868         execute function prototype.  Get f and nregs from max_reg_num
30869         and get_insns.  Remove the first backward pass as it's dead,
30870         guard the forward pass by flag_expensive_optimizations.
30871         (rest_of_handle_regmove): Delete.
30872         (pass_regmove): Replace it with regmove_optimize.
30873
30874 2009-02-25  Martin Jambor  <mjambor@suse.cz>
30875
30876         PR tree-optimization/39259
30877         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
30878         calls_alloca function flags.
30879         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
30880         calls are detected.
30881
30882 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
30883
30884         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
30885         flags_set_1_rtx, flags_set_1_set): Delete.
30886         (regmove_optimize): Do not call mark_flags_life_zones.
30887
30888 2009-02-24  Julian Brown  <julian@codesourcery.com>
30889
30890         PR target/35965
30891         * config/arm/arm.c (require_pic_register): Only set
30892         cfun->machine->pic_reg once per function.
30893
30894 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
30895
30896         * doc/invoke.texi (Link Options): Document an easier way to pass
30897         options that take arguments to the GNU linker using -Xlinker and -Wl.
30898
30899 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
30900
30901         PR target/33785
30902         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
30903
30904 2009-02-24  Richard Guenther  <rguenther@suse.de>
30905
30906         PR debug/39285
30907         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
30908
30909 2009-02-24  Richard Guenther  <rguenther@suse.de>
30910             Zdenek Dvorak  <ook@ucw.cz>
30911
30912         PR tree-optimization/39233
30913         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
30914         from converting them to a generic type.
30915
30916 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
30917
30918         PR tree-optimization/39260
30919         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
30920         contains a condition with a real type.
30921         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
30922
30923 2009-02-23  Jason Merrill  <jason@redhat.com>
30924
30925         PR c++/38880
30926         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
30927         narrowing_initializer_constant_valid_p.
30928         (narrowing_initializer_constant_valid_p): Don't return
30929         null_pointer_node for adding a pointer to itself.
30930
30931 2009-02-23  Jan Hubicka  <jh@suse.cz>
30932
30933         PR c/12245
30934         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
30935         resizing.
30936
30937 2009-02-23  Jan Hubicka  <jh@suse.cz>
30938
30939         PR tree-optimization/37709
30940         * tree.c (block_ultimate_origin): Move here from dwarf2out.
30941         * tree.h (block_ultimate_origin): Declare.
30942         * dwarf2out.c (block_ultimate_origin): Move to tree.c
30943         * tree-ssa-live.c (remove_unused_scope_block_p):
30944         Eliminate blocks containig no instructions nor live variables nor
30945         nested blocks.
30946         (dump_scope_block): New function.
30947         (remove_unused_locals): Enable removal of dead blocks by default;
30948         enable dumping at TDF_DETAILS.
30949
30950 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
30951
30952         * config/i386/i386.c (classify_argument): Don't allow COImode
30953         and OImode.
30954         (function_arg_advance_32): Don't allow OImode.
30955         (function_arg_32): Likewise.
30956         (function_value_32): Likewise.
30957         (return_in_memory_32): Likewise.
30958         (function_arg_64): Remove OImode comment.
30959
30960 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
30961
30962         PR target/39261
30963         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
30964         ix86_expand_vector_set for V4DImode in 64bit mode only.
30965         (ix86_expand_vector_init_one_var): Likewise.
30966
30967 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
30968
30969         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
30970
30971 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
30972
30973         PR bootstrap/39257
30974         * loop-iv.c: Revert last change.
30975         * emit-rtl.c: Likewise.
30976
30977 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
30978
30979         PR target/39256
30980         * config/i386/i386.c (type_natural_mode): Remove an extra
30981         space in the warning message.
30982         (function_value_32): Handle 32-byte vector modes.
30983         (return_in_memory_32): Likewise.
30984
30985 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
30986
30987         * loop-iv.c (truncate_value): New function.
30988         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
30989         of lowpart_subreg.
30990         (lowpart_subreg): Move to...
30991         * emit-rtl.c: ...here.
30992
30993 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
30994
30995         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
30996         accidental and undocumented change at revision 140860.
30997
30998 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
30999
31000         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
31001         take gimple_seq * arguments.
31002         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
31003         types_compatible_p langhook.
31004
31005 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
31006             Joseph Myers  <joseph@codesourcery.com>
31007
31008         * config/arm/arm.c (arm_builtin_va_list): New function.
31009         (arm_expand_builtin_va_start): Likewise.
31010         (arm_gimplify_va_arg_expr): Likewise.
31011         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
31012         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
31013         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
31014         (va_list_type): New variable.
31015         (arm_mangle_type): Mangle va_list_type appropriately.
31016
31017 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
31018
31019         PR middle-end/39157
31020         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
31021         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
31022         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
31023         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
31024         parameter to 1000 for -O1 by default.
31025         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
31026         parameter.
31027         * loop-invariant.c: Include params.h.
31028         (move_loop_invariants): Don't call move_single_loop_invariants on
31029         very large loops.
31030
31031 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
31032
31033         * calls.c (emit_library_call_value_1): Use slot_offset instead of
31034         offset when calculating bounds for indexing stack_usage_map.  Fixes
31035         a buffer overflow with certain target setups.
31036
31037 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
31038
31039         PR target/39240
31040         * calls.c (expand_call): Clear try_tail_call if caller and callee
31041         disagree in promotion of function return value.
31042
31043 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
31044
31045         PR target/39175
31046         * c-common.c (c_determine_visibility): If visibility changed and
31047         DECL_RTL has been already set, call make_decl_rtl to update symbol
31048         flags.
31049
31050 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
31051
31052         PR c++/39188
31053         * varasm.c (assemble_variable): Don't check DECL_NAME when
31054         globalizing a variable.
31055
31056 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
31057
31058         PR c/38483
31059         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
31060         expression before any __builtin_trap call.
31061         * c-typeck.c (build_function_call): Convert and check function
31062         arguments before generating a call to a trap.  Evaluate the
31063         function arguments before the trap.
31064
31065 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
31066
31067         PR target/39228
31068         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
31069         (UNSPEC_FXAM_MEM): New unspec.
31070         (fxam<mode>2_i387_with_temp): New insn and split pattern.
31071         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
31072         memory using fxam<mode>2_i387_with_temp to remove excess precision.
31073
31074 2009-02-19  Richard Guenther  <rguenther@suse.de>
31075
31076         PR tree-optimization/39207
31077         PR tree-optimization/39074
31078         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
31079         storedanything_tree): New.
31080         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
31081         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
31082         (build_succ_graph): Add edges from STOREDANYTHING to all
31083         non-direct nodes.
31084         (init_base_vars): Initialize STOREDANYTHING.
31085         (compute_points_to_sets): Free substitution info after
31086         building the succ graph.
31087         (ipa_pta_execute): Likewise.
31088
31089         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
31090         field.
31091         (do_ds_constraint): Do not add to special var or non-pointer
31092         field solutions.
31093         (type_could_have_pointers): Split out from ...
31094         (could_have_pointers): ... here.  For arrays use the element type.
31095         (create_variable_info_for): Initialize may_have_pointers.
31096         (new_var_info): Likewise.
31097         (handle_lhs_call): Make the HEAP variable unknown-sized.
31098         (intra_create_variable_infos): Use a type with pointers for
31099         PARM_NOALIAS, make it unknown-sized.
31100
31101 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
31102
31103         PR target/39224
31104         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
31105
31106 2009-02-18  Jason Merrill  <jason@redhat.com>
31107
31108         PR target/39179
31109         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
31110         value if DECL_EXTERNAL.
31111         * tree-sra.c (sra_walk_gimple_assign): Likewise.
31112         * target.h (gcc_target::binds_local_p): Clarify "module".
31113         * tree.h (TREE_PUBLIC): Clarify "module".
31114
31115 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
31116
31117         PR target/38891
31118         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
31119         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
31120
31121 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
31122
31123         PR target/39082
31124         * c.opt (Wabi): Support C and ObjC.
31125         (Wpsabi): New.
31126
31127         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
31128
31129         * config/i386/i386.c (classify_argument): Warn once about the ABI
31130         change when passing union with long double.
31131
31132         * doc/invoke.texi: Update -Wabi for warning psABI changes.
31133
31134 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
31135
31136         PR c/35447
31137         * c-parser.c (c_parser_compound_statement): Always enter and leave
31138         a scope.
31139
31140 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31141
31142         PR target/34587
31143         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
31144
31145 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
31146
31147         PR tree-optimization/36922
31148         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
31149         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
31150         Likewise.
31151
31152 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
31153
31154         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
31155         to 0 for EABI64.
31156
31157 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
31158
31159         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
31160
31161 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
31162
31163         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
31164         tree sharing.
31165
31166 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
31167             Richard Sandiford  <rdsandiford@googlemail.com>
31168
31169         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
31170         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
31171         (loongson_biadd): ...this.
31172
31173 2009-02-17  Richard Guenther  <rguenther@suse.de>
31174
31175         PR tree-optimization/39202
31176         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
31177         a var make sure to follow existing collapses.
31178
31179 2009-02-17  Richard Guenther  <rguenther@suse.de>
31180
31181         PR middle-end/39214
31182         * langhooks.c (lhd_print_error_function): Check for NULL block.
31183
31184 2009-02-17  Richard Guenther  <rguenther@suse.de>
31185
31186         PR tree-optimization/39204
31187         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
31188         of the PHI arg.
31189
31190 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
31191
31192         * config/soft-fp/double.h: Update from glibc CVS.
31193
31194 2009-02-17  Richard Guenther  <rguenther@suse.de>
31195
31196         PR tree-optimization/39207
31197         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
31198         strict-aliasing warnings for pointers pointing to NULL.
31199
31200 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
31201
31202         PR c/35446
31203         * c-parser.c (c_parser_braced_init): Call pop_init_level when
31204         skipping until next close brace.
31205
31206 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
31207
31208         PR target/37049
31209         * config/i386/i386.c (ix86_expand_push): Set memory alignment
31210         to function argument boundary.
31211
31212 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
31213
31214         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
31215         in the lea_add. Reload eventually constraints it properly.
31216         * config/picochip/constraints.md: Remove the target constraint
31217         "b", since it is not needed anymore.
31218
31219 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
31220
31221         * gthr-dce.h: Uglify function parameter and local variable names.
31222         * gthr-gnat.h: Likewise.
31223         * gthr-mipssde.h: Likewise.
31224         * gthr-nks.h: Likewise.
31225         * gthr-posix95.h: Likewise.
31226         * gthr-posix.h: Likewise.
31227         * gthr-rtems.h: Likewise.
31228         * gthr-single.h: Likewise.
31229         * gthr-solaris.h: Likewise.
31230         * gthr-tpf.h: Likewise.
31231         * gthr-vxworks.h: Likewise.
31232         * gthr-win32.h: Likewise.
31233
31234 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
31235
31236         PR target/39196
31237         * config/i386/i386.md: Restrict the new peephole2 to move
31238         between MMX/SSE registers.
31239
31240 2009-02-15  Richard Guenther  <rguenther@suse.de>
31241
31242         Revert
31243         2009-02-13  Richard Guenther  <rguenther@suse.de>
31244
31245         * configure.ac: Enable LFS.
31246         * configure: Re-generate.
31247         * config.in: Likewise.
31248
31249 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31250
31251         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
31252         spu_srqwbyte, spu_srqwbytebc): Define.
31253         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
31254         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
31255         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
31256         "shrqby_<mode>"): New insn-and-split patterns.
31257         * config/spu/spu.c (expand_builtin_args): Determine and return
31258         number of operands using spu_builtin_description data.
31259         (spu_expand_builtin_1): Use it.
31260
31261 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
31262
31263         PR target/38056
31264         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
31265         TARGET_CONST_GP.
31266
31267 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
31268
31269         PR target/39149
31270         * config/i386/i386.c (override_options): Correct warning
31271         messages for -malign-loops, -malign-jumps and -malign-functions.
31272
31273 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
31274
31275         PR target/39152
31276         * config/i386/i386.md: Restrict the new peephole2 to move
31277         between the general purpose registers.
31278
31279 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
31280
31281         PR target/39162
31282         * config/i386/i386.c (type_natural_mode): Add a new argument.
31283         Return the original mode and warn ABI change if vector size is 32byte.
31284         (function_arg_advance): Updated.
31285         (function_arg): Likewise.
31286         (ix86_function_value): Likewise.
31287         (ix86_return_in_memory): Likewise.
31288         (ix86_sol10_return_in_memory): Likewise.
31289         (ix86_gimplify_va_arg): Likewise.
31290         (function_arg_32): Don't warn ABX ABI change here.
31291         (function_arg_64): Likewise.
31292
31293 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
31294
31295         * loop-iv.c (implies_p): In the final case, test that operands 0
31296         of the two comparisons match.
31297
31298         * config/bfin/bfin.c (find_prev_insn_start): New function.
31299         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
31300         (find_next_insn_start): Move.
31301
31302 2009-02-13  Richard Guenther  <rguenther@suse.de>
31303
31304         * configure.ac: Enable LFS.
31305         * configure: Re-generate.
31306         * config.in: Likewise.
31307
31308 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
31309
31310         PR c/35444
31311         * c-parser.c (c_parser_parms_list_declarator): Discard pending
31312         sizes on syntax error after some arguments have been parsed.
31313
31314 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
31315
31316         * doc/invoke.texi (-fira): Remove.
31317
31318 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
31319
31320         * caller-save.c: Replace regclass.c with reginfo.c in comments.
31321         * recog.c: Likewise.
31322         * rtl.h: Likewise.
31323
31324 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
31325
31326         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
31327         (umul_ppmm): Likewise.
31328         (count_leading_zeros): Likewise.
31329         (count_trailing_zeros): Likewise.
31330         (UMUL_TIME): Likewise.
31331
31332 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
31333
31334         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
31335         soft-fp/t-softfp to tmake_file.
31336
31337         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
31338         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
31339         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
31340         IA64_BUILTIN_INFQ]: New.
31341         (ia64_init_builtins): Initialize __builtin_infq,
31342         __builtin_fabsq and __builtin_copysignq if not HPUX.
31343         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
31344         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
31345
31346         * config/ia64/lib1funcs.asm (__divtf3): Define only if
31347         SHARED is defined.
31348         (__fixtfti): Likewise.
31349         (__fixunstfti): Likewise.
31350         (__floattitf): Likewise.
31351
31352         * config/ia64/libgcc-glibc.ver: New.
31353         * config/ia64/t-fprules-softfp: Likewise.
31354         * config/ia64/sfp-machine.h: Likewise.
31355
31356         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
31357         (LIBGCC2_TF_CEXT): Likewise.
31358         (TF_SIZE): Likewise.
31359         (TARGET_INIT_LIBFUNCS): Likewise.
31360
31361         * config/ia64/t-glibc (SHLINB_MAPFILES):
31362         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
31363
31364 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
31365
31366         * config/i386/i386.c (construct_container): Rewrite processing
31367         BLKmode with X86_64_SSE_CLASS.
31368
31369 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
31370
31371         PR target/39152
31372         * config/i386/i386.md: Replace simplify_replace_rtx with
31373         replace_rtx in the new peephole2.
31374
31375 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
31376
31377         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
31378         loop unrolling do not happen at -O2.
31379
31380 2009-02-12  Michael Matz  <matz@suse.de>
31381
31382         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
31383
31384 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
31385
31386         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
31387         for -g3.
31388
31389 2009-02-12  Ben Elliston  <bje@au.ibm.com>
31390
31391         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
31392         patterns when updating the back chain.  Missed in the 2009-02-10
31393         change.
31394
31395 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
31396
31397         * doc/extend.texi (Decimal Floating Types): Update identifier of
31398         draft TR and list of missing support.
31399
31400 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
31401
31402         PR middle-end/39154
31403         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
31404         bit to variable length decl's flags, add it also to its
31405         pointer replacement variable.
31406
31407 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
31408             Jakub Jelinek  <jakub@redhat.com>
31409
31410         PR target/39118
31411         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
31412         (memory_blockage): New expander.
31413         (*memory_blockage): New insn pattern.
31414         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
31415         instead of general blockage at the end of function prologue when
31416         frame pointer is used to access red zone area.  Do not emit blockage
31417         when profiling, it is emitted in generic code.
31418         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
31419         function epilogue when frame pointer is used to access red zone area.
31420
31421 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
31422
31423         PR target/38824
31424         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
31425         by arithmetic with memory operands.
31426         * config/i386/predicates.md (commutative_operator): New.
31427
31428 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
31429
31430         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
31431         bulleted lists.
31432
31433 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
31434
31435         * alias.h (record_alias_subset): Declare.
31436         * alias.c (record_alias_subset): Make global.
31437
31438 2009-02-10  Nick Clifton  <nickc@redhat.com>
31439
31440         * tree-parloops.c: Change license to GPLv3.
31441         * ipa-struct-reorg.c: Change license to GPLv3.
31442         * ipa-struct-reorg.h: Change license to GPLv3.
31443
31444 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
31445
31446         PR c/39084
31447         * c-decl.c (start_struct): Return NULL on error.
31448
31449 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
31450
31451         PR middle-end/39124
31452         * cfgloopmanip.c (remove_path): Call remove_bbs after
31453         cancel_loop_tree, not before it.
31454
31455         PR target/39139
31456         * function.h (struct function): Add has_local_explicit_reg_vars bit.
31457         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
31458         VAR_DECLs were seen.
31459         * tree-ssa-live.c (remove_unused_locals): Recompute
31460         cfun->has_local_explicit_reg_vars.
31461         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
31462         copies or clearings if cfun->has_local_explicit_reg_vars.
31463
31464 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
31465
31466         PR target/39118
31467         * config/i386/i386.c (expand_prologue): Emit blockage at the end
31468         of function prologue when frame pointer is used to access
31469         red zone area.
31470
31471 2009-02-10  Richard Guenther  <rguenther@suse.de>
31472
31473         PR middle-end/39127
31474         * gimplify.c (gimple_regimplify_operands): Always look if
31475         we need to create a temporary.
31476
31477 2009-02-10  Richard Guenther  <rguenther@suse.de>
31478
31479         PR tree-optimization/39132
31480         * tree-loop-distribution.c (todo): New global var.
31481         (generate_memset_zero): Trigger TODO_rebuild_alias.
31482         (tree_loop_distribution): Return todo.
31483
31484 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
31485
31486         PR target/39119
31487         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
31488         (x86_64_reg_class_name): Removed.
31489         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
31490         first one isn't X86_64_SSE_CLASS or any other ones aren't
31491         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
31492         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
31493         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
31494         and 3 X86_64_SSEUP_CLASS.
31495         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
31496         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
31497
31498 2009-02-10  Ben Elliston  <bje@au.ibm.com>
31499
31500         * config/rs6000/rs6000.md (allocate_stack): Always use an update
31501         form instruction to update the stack back chain word, even if the
31502         user has disabled the generation of update instructions.
31503         (movdi_<mode>_update_stack): New.
31504         (movsi_update_stack): Likewise.
31505         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
31506         always use an update form instruction to update the stack back
31507         chain word.
31508
31509 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
31510
31511         PR middle-end/38953
31512         * graphite.c (if_region_set_false_region): After moving a region in
31513         the false branch of a condition, remove the empty dummy basic block.
31514         (gloog): Remove wrong fix for PR38953.
31515
31516 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31517
31518         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
31519         generation due to implicit sign extension.
31520
31521 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
31522
31523         PR middle-end/38981
31524         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
31525         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
31526
31527 2009-02-09  Richard Guenther  <rguenther@suse.de>
31528
31529         PR middle-end/35202
31530         * convert.c (convert_to_real): Disable (float)fn((double)x)
31531         to fnf(x) conversion if errno differences may occur and
31532         -fmath-errno is set.
31533
31534 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
31535
31536         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
31537         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
31538         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
31539
31540 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
31541
31542         PR c/35434
31543         * c-common.c (handle_alias_attribute): Disallow attribute for
31544         anything not a FUNCTION_DECL or VAR_DECL.
31545
31546 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
31547
31548         PR c/39035
31549         * real.c (do_compare): Special-case compare of zero against
31550         decimal float value.
31551
31552 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
31553
31554         PR c/36432
31555         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
31556         as indicating flexible array members unless the field itself is
31557         being declarared as the incomplete array.
31558
31559 2009-02-06  Jan Hubicka  <jh@suse.cz>
31560
31561         PR tree-optimization/38844
31562         * ipa-inline.c (try_inline): Stop inlining recursion when edge
31563         is already inlined.
31564
31565 2009-02-06  Richard Guenther  <rguenther@suse.de>
31566
31567         PR middle-end/38977
31568         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
31569         fork because we may expand it as __gcov_fork.
31570
31571 2009-02-06  Nick Clifton  <nickc@redhat.com>
31572
31573         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
31574
31575 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
31576
31577         PR tree-optimization/35659
31578         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
31579         vn_phi_eq): Shortcut if hashcode does not match.
31580         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
31581         NULL operands.
31582         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
31583         and avoid iterative_hash_expr.
31584         (FOR_EACH_VALUE_ID_IN_SET): New.
31585         (value_id_compare): Remove.
31586         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
31587         sort expressions by value id.
31588
31589 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
31590
31591         PR target/38991
31592         * config/sh/predicates.md (general_movsrc_operand): Don't check
31593         the subreg of system registers here.
31594
31595 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
31596
31597         PR c++/39106
31598         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
31599         on the copied decl.
31600
31601 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
31602
31603         PR rtl-optimization/39110
31604         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
31605         addresses, not aligned ones.
31606
31607 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
31608             Richard Guenther  <rguenther@suse.de>
31609
31610         PR tree-optimization/39100
31611         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
31612         comment says and add edges.
31613
31614 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
31615
31616         PR c/35435
31617         * c-common.c (handle_tls_model_attribute): Ignore attribute for
31618         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
31619
31620 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
31621
31622         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
31623         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
31624         register_bb_in_sese, new_sese, free_sese): Moved.
31625         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
31626         outermost_loop_in_scop, build_scop_iteration_domain,
31627         expand_scalar_variables_ssa_name, get_vdef_before_scop,
31628         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
31629         Use loop_in_sese_p instead of loop_in_scop_p.
31630         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
31631         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
31632         (scopdet_basic_block_info): Fix bug in scop detection.
31633         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
31634         eq_loop_to_cloog_loop): Remove.
31635         (nb_loops_around_loop_in_scop, nb_loop
31636         ref_nb_loops): Moved here...
31637         * graphite.h (ref_nb_loops): ... from here.
31638         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
31639         (loop_domain_dim, loop_iteration_vector_dim): Remove.
31640         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
31641
31642 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
31643             Hans-Peter Nilsson  <hp@axis.com>
31644
31645         PR rtl-optimization/37889
31646         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
31647         Move offset handling from PLUS to before the switch.  Use new
31648         arguments when considering SYMBOL_REFs too.
31649         (rtx_addr_can_trap_p): Pass dummy offset and size.
31650         (enum may_trap_p_flags): Remove.
31651         (may_trap_p_1): Pass size from MEM_SIZE.
31652
31653         PR rtl-optimization/38921
31654         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
31655         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
31656         * rtlanal.c (may_trap_after_code_motion_p): Delete.
31657         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
31658
31659 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
31660
31661         AVX Programming Reference (January, 2009)
31662         * config/i386/sse.md (*vpclmulqdq): New.
31663
31664 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
31665
31666         PR tree-optimization/38977
31667         PR gcov-profile/38292
31668         * calls.c (special_function_p): Disregard __builtin_ prefix.
31669
31670 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
31671
31672         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
31673         non-indexable addresses even before reload.
31674
31675 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
31676
31677         PR c/29129
31678         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
31679         as having variable size.  Do not give an error for unnamed
31680         parameters with [*] declarators.  Give a warning for type names
31681         with [*] declarators and mark them as variable size.
31682         * c-parser.c (c_parser_sizeof_expression): Do not give an error
31683         for sizeof applied to [*] type names.
31684
31685 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
31686
31687         PR C++/36607
31688         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
31689
31690 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
31691
31692         * gcc.c (process_command): Update copyright notice dates.
31693         * gcov.c (print_version): Likewise.
31694         * gcov-dump.c (print_version): Likewise.
31695         * mips-tfile.c (main): Likewise.
31696         * mips-tdump.c (main): Likewise.
31697
31698 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
31699
31700         PR c/35433
31701         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
31702         for composite type involving a zero-length array type.
31703
31704 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
31705
31706         PR target/35318
31707         * function.c (match_asm_constraints_1): Skip over
31708         initial optional % in the constraint.
31709
31710         PR inline-asm/39059
31711         * c-parser.c (c_parser_postfix_expression): If fixed point is not
31712         supported, don't accept FIXED_CSTs.
31713         * c-decl.c (finish_declspecs): Error if fixed point is not supported
31714         and _Sat is used without _Fract/_Accum.  Set specs->type to
31715         integer_type_node for cts_fract/cts_accum if fixed point is not
31716         supported.
31717
31718 2009-02-02  Catherine Moore  <clm@codesourcery.com>
31719
31720         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
31721
31722 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
31723
31724         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
31725         (ABI_HAS_64BIT_SYMBOLS): Use it.
31726         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
31727
31728 2009-02-02  Paul Brook  <paul@codesourcery.com>
31729
31730         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
31731
31732 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
31733
31734         PR inline-asm/39058
31735         * recog.h (asm_operand_ok): Add constraints argument.
31736         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
31737         recurse on matching constraint.
31738         (check_asm_operands): Pass constraints as 3rd argument to
31739         asm_operand_ok.  Don't look up matching constraint here.
31740         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
31741         to asm_operand_ok.
31742
31743 2009-02-02  Ben Elliston  <bje@au.ibm.com>
31744
31745         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
31746         TARGET_NARROW_VOLATILE_BITFIELD macro names.
31747
31748 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31749
31750         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
31751         information.  Remove some obsolete information.  Reorganize.
31752
31753         * config/pa/fptr.c: Revert license to GPL 2.
31754         * config/pa/milli64.S: Likewise.
31755
31756 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
31757
31758         PR target/38904
31759         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
31760         LIBRARY name in, instead of hard-coding it.
31761         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
31762         extra target make frag to tmake_files according to EH model.
31763         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
31764         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
31765         frags that define makefile variable EH_MODEL appropriately.
31766         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
31767         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
31768         to "-sjlj" according to type of EH configured.
31769         (LIBGCC_SONAME):  Concatenate it to shared library base name.
31770         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
31771         to "_sjlj" according to type of EH configured.
31772         (LIBGCC_SONAME):  Concatenate it to shared library base name.
31773         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
31774         (SHLIB_LINK):  Add missing semicolon to if-else construct.
31775         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
31776         string value of "pe_dll" command-line option.
31777         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
31778         (SHLIB_SONAME):  Use it when overriding t-cygming default.
31779         (SHLIB_IMPLIB):  Override t-cygming default.
31780         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
31781         string value of "pe_dll" command-line option.
31782
31783 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
31784
31785         PR target/38952
31786         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
31787         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
31788
31789 2009-01-31  Richard Guenther  <rguenther@suse.de>
31790
31791         PR tree-optimization/38937
31792         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
31793         computing the transitive closure.
31794
31795 2009-01-30  Richard Guenther  <rguenther@suse.de>
31796
31797         PR tree-optimization/39041
31798         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
31799         Propagate variable indices only if the types match for this stmt.
31800
31801 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
31802
31803         PR target/39013
31804         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
31805         inline but never defined.
31806
31807 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
31808
31809         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
31810         (*insv_h_di_reg_extimm): New insn.
31811         (*insv_l<mode>_reg_extimm): New insn.
31812
31813 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
31814
31815         * config/picochip/picochip.c (flag_conserve_stack): set
31816         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
31817         fconserve-stack. Reduce call-overhead used by inliner.
31818
31819 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
31820
31821         PR/38157
31822         * common.opt (flag_conserve_stack): Initialised to zero.
31823
31824 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
31825
31826         PR/39002
31827         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
31828         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
31829         method.
31830
31831 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
31832
31833         * ira-color.c (allocno_reload_assign): Update comments.
31834         * regmove.c (regmove_optimize): Likewise.
31835
31836         * ra.h: Removed.
31837
31838 2009-01-29  Robert Millan  <rmh@aybabtu.com>
31839
31840         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
31841         * config/i386/kopensolaris-gnu.h: New file.  Undefine
31842         `MD_UNWIND_SUPPORT'.
31843         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
31844
31845 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
31846
31847         PR tree-optimization/39007
31848         * tree-loop-distribution.c (generate_builtin): Use
31849         recompute_dominator to compute the immediate dominator of the
31850         basic block just after the loop.
31851
31852 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
31853
31854         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
31855         (ASM_OUTPUT_DWARF_PCREL): Define.
31856
31857 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
31858
31859         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
31860         * doc/passes.texi: Remove entries about regclass, local-alloc, and
31861         global.  Modify entries about regmove and IRA.
31862
31863         * ra-conflict.c: Remove the file.
31864
31865         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
31866
31867         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
31868         (pass_regclass_init): Rename to pass_reginfo_init.
31869
31870         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
31871
31872         * toplev.h (flag_ira): Remove.
31873
31874         * caller-save.c (setup_save_areas): Remove flag_ira.
31875
31876         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
31877
31878         * global.c: Remove the file.
31879
31880         * opts.c (decode_options): Remove flag_ira.
31881
31882         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
31883
31884         * regmove.c: Modify file description.
31885         (find_use_as_address, try_auto_increment): Define them only if
31886         AUTO_INC_DEC is defined.
31887         (replacement_quality, replace_in_call_usage, fixup_match_1,
31888         stable_and_no_regs_but_for_p): Remove.
31889         (reg_set_in_bb): Make it static.
31890         (regmove_optimize): Remove flag_ira and code which worked for
31891         !flag_ira.
31892
31893         * local-alloc.c: Remove the file.
31894
31895         * common.opt (fira): Remove.
31896
31897         * ira.c: Include except.h.
31898         (eliminable_regset): Move from global.c.
31899         (mark_elimination): Ditto.  Remove flag_ira.
31900         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
31901         equiv_mem_modified, validate_equiv_mem_from_store,
31902         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
31903         contains_replace_regs, memref_referenced_p, memref_used_between_p,
31904         no_equiv, recorded_label_ref): Move from local-alloc.c.
31905         (update_equiv_regs): Ditto.  Make it static.
31906         (print_insn_chain, print_insn_chains): Move it from global.c.
31907         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
31908         (build_insn_chain): Ditto.  Make it static.
31909         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
31910         Rename to init_live_subregs.
31911         (gate_ira): Remove flag_ira.
31912
31913         * regclass.c: Rename reginfo.c.  Change file description.
31914         (FORBIDDEN_INC_DEC_CLASSES): Remove.
31915         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
31916         (init_reg_sets_1): Remove code for evaluation of
31917         reg_class_superclasses and losing_caller_save_reg_set.
31918         (init_regs): Remove init_reg_autoinc.
31919         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
31920         ok_for_base_p_nonstrict): Remove.
31921         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
31922         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
31923         corresponding entries.
31924         (dump_regclass, record_operand_costs, scan_one_insn,
31925         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
31926         record_address_regs, auto_inc_dec_reg_p): Remove.
31927         (gt-regclass.h): Rename to gt-reginfo.h.
31928
31929         * rtl.h (dump_global_regs, retry_global_alloc,
31930         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
31931
31932         * Makefile.in (RA_H): Remove.
31933         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
31934         Rename regclass.o to reginfo.o.
31935         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
31936         gt-reginfo.h.
31937         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
31938         (GTFILES): Rename regclass.c to reginfo.c.
31939
31940         * passes.c (init_optimization_passes): Remove pass_local_alloc and
31941         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
31942
31943         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
31944         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
31945         Remove flag_ira.
31946         (finish_spills): Ditto.  Remove code for !flag_ira.
31947
31948 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
31949
31950         PR middle-end/35854
31951         * doc/invoke.texi (rtl debug options): Complete rewrite.
31952         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
31953         to auto_inc_dec".
31954         * mode-switching.c (pass_mode_switching): Rename pass from
31955         "mode-sw" to "mode_sw".
31956         * except.c (pass_convert_to_eh_ranges): Rename pass from
31957         "eh-ranges" to "eh_ranges".
31958         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
31959         to "subreg1".
31960
31961
31962 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
31963             Alexander Monakov  <amonakov@ispras.ru>
31964
31965         PR middle-end/38857
31966         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
31967         register.
31968         (move_exprs_to_boundary): Change return type and pass through
31969         should_move from move_op.  Relax assert.  Update usage ...
31970         (schedule_expr_on_boundary): ... here.  Use should_move instead of
31971         cant_move.
31972         (move_op_orig_expr_found): Indicate that insn was disconnected from
31973         stream.
31974         (code_motion_process_successors): Do not call after_merge_succs
31975         callback if original expression was not found when traversing any of
31976         the branches.
31977         (code_motion_path_driver): Change return type.  Update prototype.
31978         (move_op): Update comment.  Add a new parameter (should_move).  Update
31979         prototype.  Set *should_move based on indication provided by
31980         move_op_orig_expr_found.
31981
31982 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
31983
31984         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
31985         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
31986         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
31987         * config/rs6000/rs6000.c (rs6000_override_options): Default
31988         avoid-indexed-addresses on for Power6, off for everything else.
31989         (avoiding_indexed_address_p): New function.
31990         (rs6000_legitimize_address): Use it.
31991         (rs6000_legitimate_address): Likewise.
31992         * config/rs6000/rs6000.md (movXX_updateX): Likewise
31993
31994 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
31995
31996         PR tree-optimization/38997
31997         * tree-loop-distribution.c (generate_memset_zero): Use
31998         POINTER_PLUS_EXPR for a pointer addition.
31999
32000 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
32001
32002         * config/s390/s390.md (bswap<mode>2): New pattern added.
32003
32004 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
32005
32006         * config/s390/s390.md (*tls_load_31): Added type attribute.
32007
32008 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
32009
32010         * config/s390/s390.md: Fix a few comments.
32011
32012 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
32013
32014         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
32015         (*tm<mode>_full): Fixed z10prop attribute.
32016         (*tst<mode>_extimm): Fixed z10prop attribute.
32017         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
32018         (*tstqiCCT_cconly): Fixed z10prop attribute.
32019         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
32020         (*movsi_larl): Fixed z10prop attribute.
32021         (*movsi_zarch): Fixed z10prop attribute.
32022         (*movsi_eas): Fixed z10prop attribute.
32023         (*movhi): Fixed z10prop attribute.
32024         (*movqi): Fixed z10prop attribute.
32025         (*movstrictqi): Fixed z10prop attribute.
32026         (*mov<mode>): Fixed z10prop attribute.
32027         (*movcc): Fixed z10prop attribute.
32028         (*sethighpartdi_64): Fixed z10prop attribute.
32029         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
32030         (*negdi2_sign_cc): Fixed z10prop attribute.
32031         (*negdi2_sign): Fixed z10prop attribute.
32032         (*absdi2_sign_cc): Fixed z10prop attribute.
32033         (*absdi2_sign): Fixed z10prop attribute.
32034         (*negabsdi2_sign_cc): Fixed z10prop attribute.
32035         (*negabsdi2_sign): Fixed z10prop attribute.
32036         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
32037         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
32038         (doloop_si64): Fixed z10prop attribute.
32039         (doloop_si31): Fixed z10prop attribute.
32040         (doloop_long): Fixed z10prop attribute.
32041         (indirect_jump): Fixed z10prop attribute.
32042         (nop): Fixed z10prop attribute.
32043         (main_base_64): Fixed z10prop attribute.
32044         (reload_base_64): Fixed z10prop attribute.
32045
32046 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
32047
32048         PR rtl-optimization/38740
32049         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
32050         if !optimize.
32051         * config/mips/mips.c (mips_reorg): Likewise.
32052
32053 2009-01-28  Richard Guenther  <rguenther@suse.de>
32054
32055         PR tree-optimization/38926
32056         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
32057         with the correct value id to a value.
32058         (do_regular_insertion): Use the value number of edoubleprime
32059         for the value number of the expr.
32060
32061         Revert
32062         2008-08-21  Richard Guenther  <rguenther@suse.de>
32063
32064         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
32065         a PHI ask VN if it is already available.
32066         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
32067         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
32068
32069 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
32070
32071         PR middle-end/38934
32072         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
32073         set to varying whenever max has TREE_OVERFLOW set, similarly
32074         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
32075
32076 2009-01-28  Richard Guenther  <rguenther@suse.de>
32077
32078         PR middle-end/38908
32079         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
32080         uninitialized aggregate uses in call arguments.
32081
32082 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
32083
32084         PR tree-optimization/38984
32085         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
32086         the nothing_id variable if -fno-delete-null-pointer-checks.
32087
32088 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
32089
32090         PR target/38988
32091         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
32092         (set_got_offset_rex64): Ditto.
32093
32094 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
32095
32096         PR target/38941
32097         * doc/extend.texi: Improve local variable with asm reg.
32098
32099 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
32100
32101         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
32102         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
32103         was not supplied then set warn_packed_bitfield_compat to the
32104         default value of 1.
32105         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
32106         against 1.
32107
32108 2009-01-27  Richard Guenther  <rguenther@suse.de>
32109
32110         PR tree-optimization/38503
32111         * cfgexpand.c (expand_gimple_basic_block): Ignore
32112         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
32113         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
32114         variables that cannot have TBAA applied.
32115         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
32116         statements.
32117
32118 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
32119
32120         PR middle-end/38969
32121         * calls.c (initialize_argument_information): Do not wrap complex
32122         arguments in SAVE_EXPR.
32123
32124 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
32125
32126         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
32127         (INSTALL_LIBGCC): Revert typo commit.
32128
32129 2009-01-26  Richard Guenther  <rguenther@suse.de>
32130
32131         PR tree-optimization/38745
32132         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
32133         from special handling.
32134
32135 2009-01-26  Richard Guenther  <rguenther@suse.de>
32136
32137         PR tree-optimization/38745
32138         * tree-ssa.c (execute_update_addresses_taken): Do not include
32139         variables that cannot possibly be a register in not_reg_needs.
32140         Do not clear TREE_ADDRESSABLE on vars that may not become
32141         registers.
32142         * tree-ssa.c (update_alias_info_1): Include those in the set
32143         of addressable vars.
32144
32145 2009-01-26  Richard Guenther  <rguenther@suse.de>
32146
32147         PR middle-end/38851
32148         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
32149         * tree-ssa-dse.c: Include langhooks.h
32150         (execute_simple_dse): Remove stores with zero size.
32151
32152 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
32153
32154         PR c/38957
32155         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
32156         as PLUS_EXPR.
32157
32158 2009-01-24  Julian Brown  <julian@codesourcery.com>
32159
32160         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
32161         config/arm/linux-atomic.c.
32162         * config/arm/linux-atomic.c: New.
32163
32164 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
32165
32166         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
32167         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
32168         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
32169
32170 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
32171
32172         PR c/38938
32173         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
32174         properly.
32175
32176 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
32177
32178         PR tree-optimization/38953
32179         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
32180         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
32181         (gloog): Split the exit of the scop when the scop exit is a loop exit.
32182         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
32183         changed the CFG.
32184
32185 2009-01-24  Paul Brook  <paul@codesourcery.com>
32186
32187         * config/arm/neon.md (neon_type): Move to arm.md.
32188         (neon_mov<VSTRUCT>): Add neon_type attribute.
32189         * config/arm/arm.md (neon_type): Move to here.
32190         (conds): Add "unconditioal" and use as default for NEON insns.
32191
32192 2009-01-24  Ben Elliston  <bje@au.ibm.com>
32193
32194         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
32195         void *' warning from -Wc++-compat.
32196         * Makefile.in (dominance.o-warn): Remove.
32197
32198 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
32199
32200         PR tree-optimization/38932
32201         * fold-const.c (fold_unary_ignore_overflow): New.
32202         * tree.h (fold_unary_ignore_overflow): Declare.
32203         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
32204         * tree-ssa-sccvn.c (visit_reference_op_load,
32205         simplify_unary_expression): Likewise.
32206
32207 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
32208
32209         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
32210         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
32211         regardless of their type.
32212         * c-common.c (handle_packed_attribute): Don't ignore packed on
32213         bitfields.
32214         * c.opt (Wpacked-bitfield-compat): New warning option.
32215         * stor-layout.c (place_field): Warn if offset of a field changed.
32216         * doc/extend.texi (packed): Mention the ABI change.
32217         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
32218         (Warning Options): Add it to the list.
32219
32220 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
32221
32222         * c-opts.c (c_common_post_options): Fix a typo in comments.
32223
32224 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
32225
32226         PR middle-end/38615
32227         * gimplify.c (gimplify_init_constructor): Fix promotion of const
32228         variables to static.
32229         * doc/invoke.texi (-fmerge-all-constants): Update description.
32230
32231 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
32232
32233         PR target/38931
32234         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
32235         (*movdi_1_rex64): Use type "mmx" for alternative 5.
32236
32237 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
32238
32239         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
32240         a word boundary.
32241         (LOCAL_ALIGNMENT): Similarly.
32242
32243 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
32244             Joseph Myers  <joseph@codesourcery.com>
32245
32246         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
32247         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
32248         * config/arm/arm-tune.md: Regenerate.
32249         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
32250         -march=iwmmxt2.
32251
32252 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
32253
32254         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
32255         version number to five.
32256
32257 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
32258
32259         PR c++/38930
32260         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
32261         * c-common.c (set_underlying_type): Likewise.
32262         (is_typedef_decl ): Likewise
32263         * tree.h: Likewise
32264         (set_underlying_type): Likewise.
32265         (is_typedef_type): Likewise.
32266
32267 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
32268
32269         PR middle-end/38587
32270         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
32271         crossing setjmps.
32272
32273 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
32274
32275         PR bootstrap/37660
32276         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
32277         (LIBGCC_SPEC):  Don't define.
32278         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
32279
32280 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
32281
32282         PR rtl-optimization/38879
32283         * alias.c (base_alias_check): Unaligned access via AND address can
32284         alias all surrounding object types except those with sizes equal
32285         or wider than the size of unaligned access.
32286
32287 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
32288
32289         PR c++/26693
32290         * c-decl.c (clone_underlying_type): Move this ...
32291         * c-common.c (set_underlying_type): ... here.
32292         Also, make sure the function properly sets TYPE_STUB_DECL() on
32293         the newly created typedef variant type.
32294         (is_typedef_decl ): New entry point.
32295         * tree.h: Added a new member member_types_needing_access_check to
32296         struct tree_decl_non_common.
32297         (set_underlying_type): New entry point.
32298         (is_typedef_type): Likewise.
32299
32300 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
32301
32302         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
32303         Check whether two instructions have memory references that
32304         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
32305         are helper functions for traversing.
32306         * alias.h (insn_alias_sets_confilict_p): New prototypes.
32307         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
32308         not to draw dependency edge for instructions with non-conflicting
32309         alias sets.
32310
32311 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
32312
32313         PR other/38758
32314         * longlong.h: Update copyright years.  Use soft-fp license notice.
32315         Sync __clz_tab declaration with glibc.
32316
32317 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
32318
32319         PR target/30687
32320         * doc/extend.texi (syscall_linkage): New.
32321         (version_id): Modify.
32322
32323 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
32324             Richard Guenther  <rguenther@suse.de>
32325
32326         PR tree-optimization/38747
32327         PR tree-optimization/38748
32328         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
32329         conversion if the base address is an indirect reference and the
32330         aliasing sets could cause issues.
32331
32332 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
32333
32334         * common.opt (fgraphite, fgraphite-identity): Add comment for
32335         explaining why these options are not documented.
32336
32337 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
32338
32339         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
32340         gimple_call_lhs is NULL.
32341
32342 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
32343
32344         PR target/38868
32345         * emit-rtl.c (adjust_address_1): Make sure memref is never
32346         overwritten.
32347
32348 2009-01-20  Ben Elliston  <bje@au.ibm.com>
32349
32350         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
32351         const qualifier from arg parameter. Remove unnecessary cast to char *.
32352         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
32353         const qualifier from arg 2.
32354
32355 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
32356
32357         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
32358
32359 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
32360
32361         PR c/38869
32362         * rtl.h (reinit_regs): New prototype.
32363         * regclass.c: Include ira.h.
32364         (reinit_regs): New.
32365         * Makefile.in (regclass.o): Add ira.h.
32366         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
32367
32368 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
32369
32370         PR target/38736
32371         * c-common.c (handle_aligned_attribute): Use
32372         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
32373         default alignment value.
32374
32375         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
32376
32377         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
32378         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
32379
32380         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
32381         __BIGGEST_ALIGNMENT__.
32382
32383         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
32384
32385 2009-01-18  Richard Guenther  <rguenther@suse.de>
32386
32387         PR tree-optimization/38819
32388         * tree-flow.h (operation_could_trap_helper_p): Declare.
32389         * tree-eh.c (operation_could_trap_helper_p): Export.
32390         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
32391         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
32392         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
32393         are about to insert a possibly trapping instruction and fail
32394         in this case.
32395
32396 2009-01-18  Andreas Schwab  <schwab@suse.de>
32397
32398         * doc/install.texi (Configuration): Remove obsolete paragraph
32399         about use of --with-gnu-ld with --with-gnu-as.
32400
32401 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
32402
32403         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
32404         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
32405         Follow spelling conventions.
32406
32407 2009-01-18  Ben Elliston  <bje@au.ibm.com>
32408
32409         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
32410         C++ warning about implicit conversion from void * to struct
32411         bitmap_head_def *.
32412         (bitmap_obstack_free): Likewise for bitmap_element *.
32413         * Makefile.in (bitmap.o-warn): Remove.
32414
32415 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
32416
32417         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
32418
32419 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
32420             Tobias Grosser  <tobi.grosser@amd.com>
32421
32422         * graphite.c (graphite_trans_scop_block): Do not block single
32423         nested loops.
32424
32425 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
32426
32427         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
32428         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
32429         test with assertion.
32430
32431 2009-01-16  Richard Guenther  <rguenther@suse.de>
32432
32433         PR tree-optimization/38835
32434         PR middle-end/36227
32435         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
32436         and INT + PTR -> (INT)(PTR p+ INT) folding.
32437         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
32438
32439 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
32440
32441         PR target/38554
32442         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
32443         the subreg from a lowpart subreg if it is also casting the value.
32444
32445 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
32446             Tobias Grosser  <tobi.grosser@amd.com>
32447
32448         * graphite.c (compare_prefix_loops): New.
32449         (build_scop_canonical_schedules): Rewritten.
32450         (graphite_transform_loops): Move build_scop_canonical_schedules
32451         after build_scop_iteration_domain.
32452
32453 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
32454             Tobias Grosser  <tobi.grosser@amd.com>
32455
32456         * graphite.c (add_conditions_to_domain): Add the loops to
32457         the dimension of the iteration domain.  Do copy the domain
32458         only when it exists.
32459         (build_scop_conditions_1): Do not call add_conditions_to_domain.
32460         (add_conditions_to_constraints): New.
32461         (can_generate_code_stmt, can_generate_code): Removed.
32462         (gloog): Do not call can_generate_code.
32463         (graphite_transform_loops): Call add_conditions_to_constraints
32464         after building the iteration domain.
32465
32466 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
32467
32468         PR tree-optimization/38789
32469         * tree-ssa-threadedge.c
32470         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
32471         __builtin_constant_p.
32472
32473 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
32474
32475         * dce.c (delete_unmarked_insns): Reversed the order that insns are
32476         examined before deleting them.
32477
32478 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
32479
32480         * function.c (aggregate_value_p): Correctly extract the function
32481         type from CALL_EXPR_FN lookup.
32482
32483 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
32484
32485         * config/picochip/picochip.c (picochip_override_options): Revert
32486         CFI asm flag disable commited previously.
32487
32488 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
32489             Tobias Grosser  <tobi.grosser@amd.com>
32490             Jan Sjodin  <jan.sjodin@amd.com>
32491
32492         * graphite.c (scan_tree_for_params): On substractions negate
32493         all the coefficients of the term.
32494         (clast_to_gcc_expression_red): New.  Handle reduction expressions
32495         of more than two operands.
32496         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
32497         (get_vdef_before_scop): Handle also the case of default definitions.
32498
32499 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
32500
32501         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
32502         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
32503         Also use them when walking CALL_INSN_FUNCTION_USAGE.
32504
32505 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
32506             Joey Ye  <joey.ye@intel.com>
32507
32508         PR middle-end/37843
32509         * cfgexpand.c (expand_stack_alignment): Don't update stack
32510         boundary nor check incoming stack boundary here.
32511         (gimple_expand_cfg): Update stack boundary and check incoming
32512         stack boundary here.
32513
32514 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
32515
32516         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
32517
32518 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
32519
32520         PR rtl-optimization/38245
32521         * calls.c (expand_call): Add stack arguments to
32522         CALL_INSN_FUNCTION_USAGE even for pure calls (when
32523         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
32524         in regs and partially in memory or BLKmode arguments.
32525         (emit_library_call_value_1): Add stack arguments to
32526         CALL_INSN_FUNCTION_USAGE even for pure calls (when
32527         ACCUMULATE_OUTGOING_ARGS).
32528         * dce.c: Include tm_p.h.
32529         (find_call_stack_args): New function.
32530         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
32531         argument.
32532         (mark_insn): Call find_call_stack_args for CALL_Ps.
32533         (prescan_insns_for_dce): Walk insns backwards in bb rather than
32534         forwards.  Allocate and free arg_stores bitmap if needed, pass it
32535         down to deletable_insn_p, don't mark stores set in arg_stores
32536         bitmap, clear the bitmap at the beginning of each bb.
32537         * Makefile.in (dce.o): Depend on $(TM_P_H).
32538
32539 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
32540
32541         PR target/22599
32542         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
32543         to make sure the insn is a conditional test (bug 22599).  Reformat a
32544         few long lines.
32545
32546 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
32547
32548         PR middle-end/38431
32549         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
32550         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
32551         (gloog): Do not call cleanup_tree_cfg.
32552         (graphite_transform_loops): Call cleanup_tree_cfg after all
32553         scops have been code generated.
32554
32555 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
32556         * doc/gty.texi (Invoking the garbage collector): Added new node
32557         and section documenting ggc_collect.
32558
32559 2009-01-14  Richard Guenther  <rguenther@suse.de>
32560
32561         PR tree-optimization/38826
32562         PR middle-end/38477
32563         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
32564         initialization notes only if we actually emitted a warning.
32565         (intra_create_variable_infos): Add constraints for a result decl
32566         that is passed by hidden reference.
32567         (build_pred_graph): Mark all related variables non-direct on
32568         address-taking.
32569
32570 2009-01-14  Nick Clifton  <nickc@redhat.com>
32571
32572         * ira-conflicts.c: Include addresses.h for the definition of
32573         base_reg_class.
32574         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
32575         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
32576
32577 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
32578
32579         PR target/38811
32580         * Makefile.in (ira-lives.o): Add except.h.
32581
32582         * ira-lives.c: Include except.h.
32583         (process_bb_node_lives): Process can_throw_internal.
32584
32585 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
32586
32587         PR rtl-optimization/38774
32588         * combine.c (simplify_set): When undoing cc_use change, don't do
32589         PUT_CODE on the newly created comparison, but instead put back the
32590         old comparison.
32591
32592 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
32593
32594         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
32595         values.  Remove duplicate arm8 entry.
32596
32597 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
32598
32599         PR tree-optimization/38786
32600         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
32601         the SSA_NAME case of expand_scalar_variables_expr.
32602         Set the type of an expression to the type of its assign statement.
32603         (expand_scalar_variables_expr): Also gather the scalar computation
32604         used to index the memory access.  Do not pass loop_p.
32605         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
32606         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
32607         the gimple_stmt_iterator where it inserts new code.
32608         Do not pass loop_p.
32609         (copy_bb_and_scalar_dependences): Do not pass loop_p.
32610         (translate_clast): Update call to copy_bb_and_scalar_dependences.
32611
32612 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
32613
32614         * graphite.h (debug_value): Removed.
32615         * graphite.c (debug_value): Removed.
32616
32617 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
32618
32619         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
32620         ldrd/strd with two 32-bit instructions.
32621
32622 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
32623
32624         * config/arm/arm.c (struct processors): Pass for speed down into
32625         cost helper functions.
32626         (const_ok_for_op): Handle COMPARE and inequality nodes.
32627         (arm_rtx_costs_1): Rewrite.
32628         (arm_size_rtx_costs): Update prototype.
32629         (arm_rtx_costs): Pass speed down to helper functions.
32630         (arm_slowmul_rtx_costs): Rework cost calculations.
32631         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
32632         (arm_9e_rtx_costs): Likewise.
32633
32634 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
32635
32636         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
32637         relocations of local symbols wider than UNITS_PER_WORD are not valid.
32638         (alpha_legitimize_address): Do not split local symbols wider than
32639         UNITS_PER_WORD into HIGH/LO_SUM parts.
32640
32641 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
32642
32643         PR bootstrap/38580
32644         * gcc.c (process_command): Replace call to execvp with calls
32645         to pex_one and exit.
32646
32647 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
32648
32649         PR target/29141
32650         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
32651         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
32652         variant for devices with 3-byte PC.
32653         (__tablejump_elpm__): New.
32654
32655 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
32656
32657         PR c/32041
32658         * c-parser.c (c_parser_postfix_expression): Allow `->' in
32659         offsetof member-designator, handle it as `[0].'.
32660
32661 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32662
32663         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
32664         function when not using named sections on targets with named sections
32665         if branch distance is less than 262132.
32666
32667 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
32668
32669         * combine.c (combine_instructions):  Recompute
32670         optimize_this_for_speed_p  for each BB in the main combine loop.
32671
32672 2009-01-12  Tomas Bily  <tbily@suse.cz>
32673
32674         PR middlend/38385
32675         * tree-loop-distribution.c (prop_phis): New function.
32676         (generate_builtin): Call prop_phis.
32677
32678 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
32679
32680         PR tree-optimization/38807
32681         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
32682         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
32683
32684 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
32685
32686         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
32687         subreg of op0 to the original op0.
32688
32689 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
32690
32691         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
32692
32693 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
32694
32695         PR debug/7055
32696         * mips-tfile.c (parse_def): Fix parsing of def strings
32697         starting with digits.
32698
32699 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
32700
32701         PR target/38695
32702         * config/arm/arm.c (arm_is_long_call_p): Don't call
32703         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
32704
32705 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
32706
32707         * regrename.c (regrename_optimize): Fix dumping.
32708         (find_oldest_value_reg): Preserve REG_POINTER.
32709         (copy_hardreg_forward_1): Likewise.
32710
32711 2009-01-09  Diego Novillo  <dnovillo@google.com>
32712
32713         * gimple.h (struct gimple_statement_base) <uid>: Document
32714         the restrictions on its use.
32715         (gimple_uid): Tidy.
32716         (gimple_set_uid): Tidy.
32717
32718 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
32719
32720         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
32721         zero guard even if align_bytes != 0 and count is smaller than
32722         size_needed.
32723
32724 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
32725
32726         PR rtl-optimization/38495
32727         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
32728         (add_range_and_copies_from_move_list): Print all added ranges.
32729         Add ranges to memory optimized destination.
32730
32731 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
32732
32733         PR target/38686
32734         PR target/38708
32735         * config/i386/i386.c (override_options): Reject
32736         -mstringop-strategy=rep_8byte with -m32.
32737         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
32738         to 1.  Do count comparison against epilogue_size_needed at compile
32739         time even when count_exp was constant forced into register.  For
32740         size_needed don't jump to epilogue, instead just avoid aligning
32741         and invoke the body algorithm.  If need_zero_guard, add zero guard
32742         even if count is non-zero, but smaller than size_needed + number of
32743         bytes that could be stored for alignment.
32744         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
32745         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
32746         but smaller than size_needed + number of bytes that could be stored
32747         for alignment.  Compare size_needed with epilogue_size_needed instead
32748         of desired_align - align, don't adjust size_needed, pass
32749         epilogue_size_needed to the epilogue expanders.
32750
32751         PR c/35742
32752         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
32753
32754 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32755
32756         * pa.c (last_address): Change to unsigned.
32757         (update_total_code_bytes): Change argument to unsigned.  Don't
32758         check if insn addresses are set.
32759         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
32760         addresses are not set.
32761         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
32762
32763 2009-01-09  Nick Clifton  <nickc@redhat.com>
32764
32765         * config/sh/symbian.c: Replace uses of DECL_INLINE with
32766         DECL_DECLARED_INLINE_P.
32767
32768 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
32769
32770         PR middle-end/38347
32771         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
32772         GET_MODE (op0) in operand_subword_force calls.
32773
32774         PR middle-end/38771
32775         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
32776         fold_convert arg0 operands to TREE_TYPE (op0) first.
32777
32778 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
32779
32780         * params.def (ira-max-conflict-table-size): Decrease default value
32781         to 1000.
32782
32783 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
32784
32785         PR tree-optimization/37031
32786         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
32787         on parameter_set.
32788         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
32789         allocate it using gc instead of heap, use VEC_quick_push instead of
32790         VEC_safe_push.
32791         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
32792         instead of heap, use VEC_quick_push instead of VEC_safe_push.
32793         * tree-data-ref.h (struct access_matrix): Change matrix to gc
32794         allocated vector from heap allocated.
32795         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
32796         * tree-loop-linear.c (linear_transform_loops): Allocate nest
32797         vector only after perfect_loop_nest_depth call.
32798
32799 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
32800             Jan Sjodin  <jan.sjodin@amd.com>
32801
32802         PR tree-optimization/38559
32803         * graphite.c (debug_value, copy_constraint,
32804         swap_constraint_variables, scale_constraint_variable, ): New.
32805         (get_lower_bound, get_upper_bound): Removed.
32806         (graphite_trans_bb_strip_mine): Clean up this code that works
32807         only for constant number of iterations.  Fully copy upper and
32808         lower bound constraints, not only the constant part of them.
32809         * graphite.h (debug_value): Declared.
32810
32811 2009-01-08  Ira Rosen  <irar@il.ibm.com>
32812
32813         PR tree-optimization/37194
32814         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
32815         Don't add the cost of cost model guard in prologue to scalar
32816         outside cost in case of known number of iterations.
32817
32818 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
32819             Alan Modra  <amodra@bigpond.net.au>
32820
32821         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
32822         non-word-aligned REG+CONST addressing.
32823
32824 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
32825
32826         PR target/38706
32827         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
32828         free_after_compilation when outputting a thunk.
32829         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
32830         Do not call free_after_compilation here.
32831
32832 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
32833
32834         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
32835         (ix86_valid_target_attribute_inner_p): Ditto.
32836
32837 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
32838
32839         PR tree-optimization/38492
32840         PR tree-optimization/38498
32841         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
32842         * tree-chrec.h (scev_is_linear_expression): Declared.
32843         * graphite.c (graphite_cannot_represent_loop_niter): New.
32844         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
32845         (graphite_loop_normal_form): Use gcc_assert.
32846         (scan_tree_for_params): Use CASE_CONVERT.
32847         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
32848         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
32849         Use gcc_assert.  Discard scops that contain unhandled cases.
32850         (build_scop_conditions): Return a boolean status for unhandled cases.
32851         (strip_mine_profitable_p): Print the loop number, not its depth.
32852         (is_interchange_valid): Pass the depth of the loop nest, don't
32853         recompute it wrongly.
32854         (graphite_trans_bb_block): Same.
32855         (graphite_trans_bb_block): Print tentative of loop blocking.
32856         (graphite_trans_scop_block): Do not print that the loop has been
32857         blocked.
32858         (graphite_transform_loops): Do not handle scops that contain condition
32859         scalar phi nodes.
32860
32861 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
32862
32863         AVX Programming Reference (December, 2008)
32864         * config/i386/avxintrin.h (_mm256_stream_si256): New.
32865         (_mm256_stream_pd): Likewise.
32866         (_mm256_stream_ps): Likewise.
32867
32868         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
32869         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
32870         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
32871         (bdesc_special_args): Add __builtin_ia32_movntdq256,
32872         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
32873         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
32874         (ix86_expand_special_args_builtin): Likewise.
32875
32876         * config/i386/sse.md (AVXMODEDI): New.
32877         (avx_movnt<mode>): Likewise.
32878         (avx_movnt<mode>): Likewise.
32879         (<sse>_movnt<mode>): Remove AVX support.
32880         (sse2_movntv2di): Likewise.
32881
32882 2009-01-07  Richard Guenther  <rguenther@suse.de>
32883
32884         PR middle-end/38751
32885         * fold-const.c (extract_muldiv): Remove obsolete comment.
32886         (fold_plusminus_mult_expr): Undo MINUS_EXPR
32887         to PLUS_EXPR canonicalization for the canonicalization.
32888
32889 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
32890
32891         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
32892         hosted cross-compilers generating less efficient code.
32893
32894 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
32895
32896         * function.h (rtl_data): Add a dbr_scheduled_p field.
32897         * reorg.c (dbr_schedule): Set it.
32898         (gate_handle_delay_slots): Check it.
32899         * config/mips/mips.c (mips_base_delayed_branch): Delete.
32900         (mips_reorg): Check flag_delayed_branch instead of
32901         mips_base_delayed_branch.
32902         (mips_override_options): Don't set mips_base_delayed_branch
32903         or flag_delayed_branch.
32904
32905 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
32906
32907         PR rtl-optimization/38426.
32908         * ira.c (ira): Set current_function_is_leaf earlier.
32909
32910 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
32911
32912         PR rtl-optimization/38722
32913         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
32914         too early, only set a flag and modify after last possible
32915         undo_all point.
32916
32917 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
32918
32919         PR c/34252
32920         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
32921         * real.c (decimal_single_format): Correct values of emin and emax.
32922         (decimal_double_format): Ditto.
32923         (decimal_quad_format): Ditto.
32924         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
32925         computation of DECnn_MIN and DECnn_MAX for corrected values of
32926         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
32927         __DECnn_MIN__, and adjust its computation for the corrected value
32928         of emin.
32929
32930 2009-01-06  Jan Hubicka  <jh@suse.cz>
32931
32932         PR target/38744
32933         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
32934
32935 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
32936
32937         * doc/contrib.texi (Contributors): Slightly adjust the end note.
32938         Add Robert Clark to the list of testers.
32939
32940 2009-01-06  Jan Hubicka  <jh@suse.cz>
32941             Kai Tietz  <kai.tietz@onevision.com>
32942
32943         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
32944         * config/i386/i386.c (ix86_expand_call): Add clobbers.
32945
32946 2009-01-06  Jan Hubicka  <jh@suse.cz>
32947             Kai Tietz  <kai.tietz@onevision.com>
32948
32949         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
32950         for w64 ABI.
32951         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
32952         (ix86_nsaved_regs): Count only general purpose regs.
32953         (ix86_nsaved_sseregs): New.
32954         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
32955         to 16 for w64; compute padding and size of sse reg save area.
32956         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
32957         general purpose regs.
32958         (ix86_emit_save_sse_regs_using_mov): New.
32959         (ix86_expand_prologue): Save SSE regs if needed.
32960         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
32961         (ix86_emit_restore_sse_regs_using_mov): New.
32962         (ix86_expand_epilogue): Save SSE regs if needed.
32963
32964 2009-01-06  Jan Hubicka  <jh@suse.cz>
32965             Kai Tietz  <kai.tietz@onevision.com>
32966
32967         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
32968         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
32969         functions when accumulate outgoing args is off.
32970
32971 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
32972
32973         PR bootstrap/38742
32974         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
32975         before using pseudos_have_intersected_live_ranges_p.
32976
32977         * ira-int.h (ira_assert): Always define.
32978
32979 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
32980
32981         AVX Programming Reference (December, 2008)
32982         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
32983         (_mm256_permute2_pd): Likewise.
32984         (_mm_permute2_ps): Likewise.
32985         (_mm256_permute2_ps): Likewise.
32986         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
32987         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
32988
32989         * config/i386/i386.c (ix86_builtins): Remove
32990         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
32991         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
32992         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
32993         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
32994         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
32995         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
32996         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
32997         __builtin_ia32_vpermil2ps256.
32998         (ix86_init_mmx_sse_builtins): Updated.
32999         (ix86_expand_args_builtin): Likewise.
33000
33001 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
33002
33003         * pa.c (output_call): Relocate non-jump insns in the delay slot of
33004         long absolute calls when generating PA 2.0 code.
33005
33006 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
33007
33008         PR rtl-optimization/38583
33009         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
33010
33011         * params.def (ira-max-conflict-table-size): New.
33012
33013         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
33014
33015         * ira.h (ira_conflicts_p): New external definition.
33016
33017         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
33018         table.  Report this.  Return result of building.
33019         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
33020         building conflict table.
33021
33022         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
33023         (ira_color): Use ira_conflicts_p.
33024
33025         * global.c: Include ira.h.
33026         (pseudo_for_reload_consideration_p, build_insn_chain): Use
33027         ira_conflicts_p.
33028
33029         * Makefile.in (global.o): Add ira.h.
33030
33031         * ira-build.c (mark_all_loops_for_removal,
33032         propagate_some_info_from_allocno): New.
33033         (remove_unnecessary_allocnos): Call
33034         propagate_some_info_from_allocno.
33035         (remove_low_level_allocnos): New.
33036         (remove_unnecessary_regions): Add parameter.  Call
33037         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
33038         parameter to remove_unnecessary_regions.
33039         (ira_build): Remove all regions but root if the conflict table was
33040         not built.  Update conflict hard regs for allocnos crossing calls.
33041
33042         * ira.c (ira_conflicts_p): New global.
33043         (ira): Define and use ira_conflicts_p.
33044
33045         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
33046         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
33047         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
33048
33049 2009-01-06  Ben Elliston  <bje@au.ibm.com>
33050
33051         * gengtype-lex.l (YY_NO_INPUT): Define.
33052
33053 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
33054
33055         PR c/34911
33056         * c-common.c (handle_vector_size_attribute): Also reject
33057         BOOLEAN_TYPE types.
33058
33059 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
33060
33061         PR tree-optimization/38492
33062         * graphite.c (rename_map_elt, debug_rename_elt,
33063         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
33064         rename_map_elt_info, eq_rename_map_elts,
33065         get_new_name_from_old_name, bb_in_sese_p): Moved around.
33066         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
33067         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
33068         (sese_build_livein_liveouts): New.
33069         (new_sese, free_sese): New.
33070         (new_scop): Call new_sese.
33071         (free_scop): Call free_sese.
33072         (rename_variables_from_edge, rename_phis_end_scop): Removed.
33073         (register_old_new_names): Renamed register_old_and_new_names.
33074         (register_scop_liveout_renames, add_loop_exit_phis,
33075         insert_loop_close_phis, struct igp,
33076         default_liveout_before_guard, add_guard_exit_phis,
33077         insert_guard_phis, copy_renames): New.
33078         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
33079         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
33080         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
33081         (scop_adjust_phis_for_liveouts): New.
33082         (gloog): Call scop_adjust_phis_for_liveouts.
33083
33084         * graphite.h (struct sese): Documented.  Added fields liveout,
33085         num_ver and livein.
33086         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
33087         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
33088         (struct scop): Added field liveout_renames.
33089         (SCOP_LIVEOUT_RENAMES): New.
33090
33091 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
33092
33093         PR tree-optimization/38510
33094         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
33095         (translate_clast): Call recompute_all_dominators before
33096         graphite_verify.
33097         (gloog): Call recompute_all_dominators before graphite_verify.
33098
33099 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
33100             Jan Sjodin  <jan.sjodin@amd.com>
33101
33102         PR tree-optimization/38500
33103         * graphite.c (create_sese_edges): Call fix_loop_structure after
33104         splitting blocks.
33105
33106 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
33107
33108         * config.gcc: Add m32r*-*-rtems*.
33109         * config/m32r/rtems.h: New file.
33110
33111 2009-01-05  Ben Elliston  <bje@au.ibm.com>
33112
33113         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
33114         (.po.pox): Likewise.
33115         (po/gcc.pot): Likewise.
33116
33117 2009-01-04  David S. Miller  <davem@davemloft.net>
33118
33119         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
33120         (STARTING_FRAME_OFFSET): Always set to zero.
33121
33122 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
33123
33124         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
33125         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
33126         fixed-point types, and vectors of the same.
33127
33128 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
33129
33130         * config/mips/sync.md (*mb_barrier): Rename to...
33131         (*memory_barrier): ...this.
33132
33133 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
33134
33135         * doc/extend.texi (Function Attributes): Move @cindex after @item
33136         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
33137         and put in alphabetical order. Fix 'target' name and put in order.
33138         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
33139         typos.
33140
33141 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
33142
33143         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
33144         (memory_barrier): Expand as unspec instead of unspec_volatile.
33145         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33146         (*memory_barrier): Define as unspec instead of unspec_volatile.
33147         Use (match_dup 0) as input operand.
33148
33149         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
33150         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
33151         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
33152         scratch register.  Remove operand 1.
33153         (*stbar): Define as unspec instead of unspec_volatile.
33154         Use (match_dup 0) as input operand, remove (const_int 8).
33155         (*membar): Define as unspec instead of unspec_volatile.
33156         Use (match_dup 0) as input operand, remove input operand 2.
33157
33158         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
33159         (memory_barrier): Expand as unspec instead of unspec_volatile.
33160         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33161         (*memory_barrier): Define as unspec instead of unspec_volatile.
33162         Use (match_dup 0) as input operand.
33163
33164         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
33165         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33166         Set volatile flag on operand 0.
33167         (*memory_barrier): New insn pattern.
33168
33169         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
33170         insn operands.
33171         (*memory_barrier): Use (match_dup 0) as input operand.
33172
33173         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
33174         Remove mem:BLK from insn operands.  Use Pmode scratch register.
33175         Set volatile flag on operand 0.
33176         (*mb_internal): New insn pattern.
33177
33178         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
33179
33180 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
33181
33182         PR middle-end/38586
33183         * function.c (struct temp_slot): Move to the section of the file
33184         that deals with temp slots.  Remove field 'address'.
33185         (temp_slot_address_table): New hash table of address -> temp slot.
33186         (struct temp_slot_address_entry): New struct, items for the table.
33187         (temp_slot_address_compute_hash, temp_slot_address_hash,
33188         temp_slot_address_eq, insert_temp_slot_address): Support functions
33189         for the new table.
33190         (find_temp_slot_from_address): Rewrite to use the new hash table.
33191         (remove_unused_temp_slot_addresses): Remove addresses of temp
33192         slots that have been made available.
33193         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
33194         worker function for remove_unused_temp_slot_addresses.
33195         (assign_stack_temp_for_type): Don't clear the temp slot address list.
33196         Add the temp slot address to the address -> temp slot map.
33197         (update_temp_slot_address): Update via insert_temp_slot_address.
33198         (free_temp_slots): Call remove_unused_temp_slot_addresses.
33199         (pop_temp_slots): Likewise.
33200         (init_temp_slots): Allocate the address -> temp slot map, or empty
33201         the map if it is already allocated.
33202         (prepare_function_start): Initialize temp slot processing.
33203
33204 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
33205
33206         PR middle-end/38584
33207         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
33208         Calculate the size of all stack vars assuming no packing of stack
33209         vars will happen, replacing a quadratic algorithm with a linear one.
33210
33211 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
33212
33213         PR target/38707
33214         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
33215         can't be used.
33216
33217 2009-01-03  Diego Novillo  <dnovillo@google.com>
33218
33219         * doc/contrib.texi: Update contributions.
33220
33221 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
33222
33223         PR c++/38705
33224         * builtins.c (fold_builtin_memory_op): Give up if either operand
33225         is volatile.  Set srctype or desttype to non-qualified version
33226         of the other type.
33227
33228         PR c/38700
33229         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
33230         and FUNCTION_DECLs.
33231
33232 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
33233
33234         PR rtl-optimization/35805
33235         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
33236         problem if fast dce is able to remove any instructions.
33237         * dce.c (dce_process_block): Fix dump message.
33238
33239 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
33240
33241         PR 33649
33242         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
33243
33244 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
33245
33246         PR middle-end/38690
33247         * tree-flow.h (op_code_prio, op_prio): New prototypes.
33248         * tree-pretty-print.c (op_code_prio): New function.
33249         (op_prio): No longer static.  Use op_code_prio.
33250         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
33251         Use op_prio and op_code_prio to determine if () should be
33252         printed around operand(s) or not.
33253
33254         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
33255         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
33256         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
33257         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
33258         pp_character instead of pp_string for single letter printing.
33259
33260 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
33261
33262         * doc/extend.texi: Fix '#pragma GCC option' typo.
33263
33264 2009-01-02  Richard Guenther  <rguenther@suse.de>
33265
33266         * doc/install.texi (--enable-checking): Mention different
33267         default for stage1.
33268         (--enable-stage1-checking): Document.
33269
33270 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
33271
33272         PR middle-end/30142
33273         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
33274         case to be an error.
33275
33276 2009-01-02  Ben Elliston  <bje@au.ibm.com>
33277
33278         * config/fp-bit.h (pack_d): Constify argument.
33279         * config/fp-bit.c (makenan): Constify return type. Remove casts.
33280         (isnan): Constify argument.
33281         (isinf): Likewise.
33282         (iszero): Likewise.
33283         (pack_d): Likewise.
33284         (_fpadd_parts): Constify return type.
33285         (_fpmul_parts): Likewise.
33286         (_fpdiv_parts): Likewise.
33287
33288 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
33289
33290         PR c/36489
33291         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
33292         warn about overwriting initializer with side-effects or
33293         -Woverride-init if !IMPLICIT.
33294         (output_init_element): Likewise.  Pass IMPLICIT down to
33295         add_pending_init.
33296         (process_init_element): Add IMPLICIT argument.  Pass it down
33297         to output_init_element.
33298         (push_init_element, pop_init_level, set_designator): Adjust
33299         process_init_element callers.
33300         (set_nonincremental_init, set_nonincremental_init_from_string):
33301         Adjust add_pending_init callers.
33302         (output_pending_init_elements): Adjust output_init_element callers.
33303         * c-tree.h (process_init_element): Adjust prototype.
33304         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
33305         process_init_element callers.
33306
33307 \f
33308 Copyright (C) 2009 Free Software Foundation, Inc.
33309
33310 Copying and distribution of this file, with or without modification,
33311 are permitted in any medium without royalty provided the copyright
33312 notice and this notice are preserved.