gcc/ChangeLog

   1 2009-11-13  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR middle-end/42029
   4         * gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on
   5         tmp_load if needed.
   6
   7 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
   8
   9         PR target/41900
  10         * config/i386/i386.md (*call_pop_1, *call_1, *call_value_pop_1,
  11         *call_value_1): Use "lsm" as operand 1 constraint.
  12         * config/i386/predicates.md (call_insn_operand): Depend on
  13         index_register_operand to avoid %esp register.
  14
  15 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
  16
  17         Revert:
  18         2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
  19
  20         PR target/41900
  21         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
  22         (TARGET_CALL_ESP): New define.
  23         * config/i386/i386.c (initial_ix86_tune_features): Initialize
  24         X86_ARCH_CALL_ESP.
  25         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
  26         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
  27         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
  28         TARGET_CALL_ESP.
  29         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
  30         New patterns, use "lsm" as operand 1 constraint.
  31         * config/i386/predicates.md (call_insn_operand): Depend on
  32         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
  33
  34 2009-11-13  Jason Merrill  <jason@redhat.com>
  35
  36         PR debug/26965
  37         * dwarf2out.c (gen_variable_die): Don't worry about DECL_COMDAT.
  38         Don't emit a second declaration at any scope.
  39
  40 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
  41
  42         PR rtl-optimization/41697
  43         * sel-sched-ir.c (fallthru_bb_of_jump): Bail out when a block with
  44         a conditional jump has a single successor.
  45
  46 2009-11-13  Andrey Belevantsev  <abel@ispras.ru>
  47
  48         * sched-deps.c (init_deps): New parameter lazy_reg_last.  Don't
  49         allocate reg_last when in case lazy_reg_last is true.
  50         (init_deps_reg_last): New.
  51         (free_deps): When max_reg is 0, this context is already freed.
  52         * sched-int.h (init_deps_reg_last): Export.
  53         (init_deps): Update prototype.
  54         * sched-ebb.c (schedule_ebb): Update the call to init_deps.
  55         * sched-rgn.c (sched_rgn_compute_dependencies): Likewise.
  56         * ddg.c (build_intra_loop_deps): Likewise.
  57         * sel-sched-ir.c (copy_deps_context, create_deps_context,
  58         reset_deps_context, deps_init_id): Likewise.
  59         (init_first_time_insn_data): Lazy allocate INSN_DEPS_CONTEXT.
  60         (free_data_for_scheduled_insn): New, break down from ...
  61         (free_first_time_insn_data): ... here.
  62         (has_dependence_p): Allocate reg_last now, when it is needed.
  63         (extend_insn_data): When maximal LUID is big enough, allocate
  64         per-insn data in smaller chunks.
  65         * sel-sched-ir.h (free_data_for_scheduled_insn): Export.
  66         * sel-sched.c (update_seqnos_and_stage): Free INSN_DEPS_CONTEXT
  67         in scheduled insn.
  68
  69 2009-11-13  Uros Bizjak  <ubizjak@gmail.com>
  70
  71         * config/i386/i386.md (call_value): Fix comment.
  72         (sibcall_value): Ditto.
  73
  74 2009-11-13  Eric Botcazou  <ebotcazou@adacore.com>
  75
  76         * config/i386/linux-unwind.h (x86_frob_update_context): New function.
  77         (MD_FROB_UPDATE_CONTEXT): Define.
  78
  79 2009-11-12  Eric Botcazou  <ebotcazou@adacore.com>
  80             Laurent GUERBY  <laurent@guerby.net>
  81
  82         * config/sparc/linux-unwind.h (sparc64_fallback_frame_state): Tidy.
  83         Do not schedule an %sp restore.  Compensate for RETURN_ADDR_OFFSET.
  84         (sparc_fallback_frame_state): Tidy.  Compensate for RETURN_ADDR_OFFSET.
  85
  86 2009-11-12  Jan Hubicka  <jh@suse.cz>
  87
  88         * ipa.c (function_and_variable_visibility): Fix my accidentail commit
  89         and clear DECL_COMMON on localized declarations.
  90
  91 2009-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>
  92
  93         PR rtl-opt/38582
  94         * regrename.c (struct du_head): New structure; some elements moved
  95         from...
  96         (struct du_chain): ... this one.
  97         (open_chains, closed_chains): Now of type struct du_head *.
  98         (do_replace): Accept du_head argument, not du_chain.  All callers
  99         changed.  Modified code to match new data structures.
 100         (build_def_use): Return a list of du_head structures.  Modified code
 101         to match new data structures.
 102         (dump_def_use_chain): Accept du_head argument, not du_chain.  All
 103         callers changed.  Modified code to match new data structures.
 104         (merge_overlapping_regs): Accept du_head argument, not du_chain.  All
 105         callers changed.  Modified code to match new data structures.
 106         (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned.
 107         Allocate a du_head structure as well as a du_chain when creating a
 108         new chain.  Modified other code to match new data structures.
 109
 110 2009-11-12  Jan Hubicka  <jh@suse.cz>
 111
 112         * cgraph.h (varpool_node_name): Declare.
 113         * cgraphunit.c (process_function_and_variable_attributes): Set
 114         force_output flag on used variables.
 115         * ipa.c (function_and_variable_visibility): Dump externally visible
 116         and needed variables.
 117         * varpool.c (varpool_node_name): Export.
 118         (decide_is_variable_needed): Check COMDAT for externally visible vars;
 119         ignore needed flag.
 120
 121 2009-11-12  Uros Bizjak  <ubizjak@gmail.com>
 122
 123         PR middle-end/41930
 124         * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip
 125         processing if XEXP (x, i) is NULL.
 126
 127 2009-11-12  Jan Hubicka  <jh@suse.cz>
 128
 129         * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON
 130         imply PUBLIC || EXTERNAL.
 131
 132 2009-11-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
 133
 134         PR middle-end/41440
 135         * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
 136         single successor block, ending with jump created by RTL expander.
 137
 138 2009-11-11  Jan Hubicka  <jh@suse.cz>
 139
 140         PR middle-end/41729
 141         * ipa.c (function_and_variable_visibility): Do not privatize COMDAT
 142         and WEAK variables at -fwhole-program.
 143
 144         PR middle-end/41735
 145         * ipa.c (whole_program_function_and_variable_visility): COMDAT
 146         functions/variables are not needed even if they are externally visible.
 147
 148 2009-11-11  Jan Hubicka  <jh@suse.cz>
 149
 150         (patch by Richard Guenther)
 151         * lto-streamer-out.c (output_function): Output head of argument list
 152         earlier.
 153         * lto-streamer-in.c (input_function): Re-map arguments into merged
 154         declaration.
 155
 156 2009-11-11  Jan Hubicka  <jh@suse.cz>
 157
 158         * lto-cgraph.c: Include gcov-io.h
 159         (output_profile_summary): New function.
 160         (output_cgraph): Use it.
 161         (input_profile_summary): New function.
 162         (input_cgraph): Use it.
 163         * coverage.c (build_ctr_info_value): Use varpool; initalize
 164         DECL_ASSEMBLER_NAME.
 165         (create_coverage): Likewise.
 166         * tree-profile.c (tree_init_ic_make_global_vars): Likewise.
 167         (tree_init_edge_profiler): Likewise.
 168         * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
 169
 170 2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
 171
 172         * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
 173         * c-pragma.c (def_pragma_macro_value): Likewise.
 174         (def_pragma_macro): Likewise.
 175         (pushed_macro_table): Likewise.
 176         (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
 177         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
 178
 179 2009-11-11  Basile Starynkevitch  <basile@starynkevitch.net>
 180
 181         * doc/plugins.texi (Registering custom attributes): section
 182         renamed as (Registering custom attributes or pragmas).
 183         Mentions custom attributes & pragmas, and c_register_pragma, with
 184         a small example.
 185         * doc/cpp.texi (Pragmas): Mentions that plugins can provide their
 186         pragmas.
 187         * doc/extend.texi (Function Attributes): Mentions that plugin can
 188         provide their attributes.
 189
 190 2009-11-11  Jon Beniston  <jon@beniston.com>
 191
 192         * config.gcc: Add lm32 elf and uclinux targets.
 193         * config/lm32: New directory.
 194         * config/lm32/lm32.c: New file.
 195         * config/lm32/lm32.h: New file.
 196         * config/lm32/lm32.md: New file.
 197         * config/lm32/lm32.opt: New file.
 198         * config/lm32/lm32-protos.h: New file.
 199         * config/lm32/constraints.md: New file.
 200         * config/lm32/predicates.md: New file.
 201         * config/lm32/sfp-machine.h: New file.
 202         * config/lm32/t-fprules-softfp: New file.
 203         * config/lm32/uclinux-elf.h: New file.
 204         * doc/invoke.texi: Document lm32 options.
 205         * doc/contrib.texi: Document lm32 porter.
 206         * doc/install.texi: Document lm32 targets.
 207
 208 2009-11-11  Martin Jambor  <mjambor@suse.cz>
 209
 210         PR lto/41932
 211         * ipa-prop.c (ipa_update_after_lto_read): Call
 212         ipa_check_create_node_params and ipa_check_create_edge_args.  Also
 213         call ipa_initialize_node_params instead of ipa_populate_param_decls.
 214
 215 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
 216
 217         * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New.
 218         (neon_expand_vector_init): Use them.  Also handle non-constant
 219         vectors with identical elements and vectors with only one
 220         non-constant element.
 221         (arm_print_operand): Handle 'y' modifier.
 222         * config/arm/arm-protos.h (neon_make_constant): Declare.
 223         * config/arm/neon.md (neon_vdup_n<mode>): Split into two
 224         patterns.  Use VX instead of VDQW for the first one.  Allow
 225         a VFP alternative and V32 modes for the second one.
 226         * config/arm/neon.ml (shape_elt): Add Alternatives.
 227         (ops): Use Alternatives for vdup lane instructions.
 228         * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives.
 229         * config/arm/vec-common.md (mov<mode>): Use neon_make_constant.
 230
 231 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
 232
 233         * config/arm/neon.md (*neon_mov<mode>): Reject two non-register
 234         operands.
 235         (movti, mov<mode>): Call force_reg on one operand if required.
 236         * config/arm/vec-common.md (mov<mode>): Likewise.
 237
 238 2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
 239
 240         * config/arm/arm.c (arm_override_options): Enable scheduling for
 241         Thumb-2.
 242
 243 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
 244
 245         PR target/10127
 246         PR ada/20548
 247         * expr.h (anti_adjust_stack_and_probe): Declare.
 248         * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK
 249         parameter and rewrite head comment.
 250         (allocate_dynamic_stack_space): Adjust call to above function.
 251         * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP.
 252
 253         * tree.h (dwarf2out_args_size): Delete.
 254         * dwarf2out.c (dwarf2out_args_size): Make static and move around.
 255         (dwarf2out_args_size_adjust): Delete prototype and move around.
 256         (dwarf2out_frame_debug_expr): Do not record arg size adjustments for
 257         ACCUMULATE_OUTGOING_ARGS targets.
 258
 259 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
 260
 261         * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
 262         DECL_SIZE of DECL_RESULT before evaluating it.
 263
 264 2009-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 265
 266         PR tree-optimization/41987
 267         * fold-const.c (const_binop): Avoid using fold_buildN().
 268
 269 2009-11-10  Martin Jambor  <mjambor@suse.cz>
 270
 271         * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field.
 272         (execute_all_ipa_stmt_fixups): Declare.
 273         * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value.
 274         * ipa-inline.c (pass_ipa_inline): Likewise.
 275         * ipa-pure-const.c (pass_ipa_pure_cons): Likewise.
 276         * ipa-reference.c (pass_ipa_reference): Likewise.
 277         * ipa.c (pass_ipa_whole_program_visibility): Likewise.
 278         * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise.
 279         (pass_ipa_lto_finish_out): Likewise.
 280         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise.
 281         * passes.c (execute_ipa_stmt_fixups): New function.
 282         (execute_all_ipa_stmt_fixups): New function.
 283         * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups.
 284
 285 2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
 286
 287         PR ada/20548
 288         * explow.c (probe_stack_range): Fix typo.
 289         * config/sparc/sparc.md (probe_stack): New expander.
 290
 291 2009-11-09  Dave Korn  <dave.korn.cygwin@gmail.com>
 292
 293         * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.
 294
 295 2009-11-09  Jason Merrill  <jason@redhat.com>
 296
 297         * gdbinit.in (pgq): New function for printing gimple sequence.
 298
 299 2009-11-09  Paul Brook  <paul@codesourcery.com>
 300             Daniel Jacobowitz  <dan@codesourcery.com>
 301             Sandra Loosemore  <sandra@codesourcery.com>
 302
 303         * doc/extend.texi (Half-Precision): Update wording to reflect
 304         that there are now multiple -mfpu options that enable fp16
 305         hardware support.
 306         * doc/invoke.texi: Update list of ARM -mfpu= options.
 307         * config.gcc: Update ARM --with-fpu option list.
 308         * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16,
 309         vfpv3xd and vfpv3xd-fp16.
 310         (use_vfp_abi): New function.
 311         (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs
 312         when undesirable.
 313         (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate,
 314         aapcs_vfp_allocate_return_reg): Use use_vfp_abi.
 315         (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs,
 316         arm_9e_rtx_costs): Only expect double-precision operations if the FPU
 317         provides them.
 318         (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no
 319         NEON.
 320         (arm_print_operand): Handle 'p' modifier.
 321         (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if
 322         TARGET_FP16.
 323         * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define.
 324         (TARGET_FP16): Define.
 325         * config/arm/vfp.md: Disable double-precision patterns if the FPU
 326         does not provide them.
 327         (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move
 328         double-precision values on a single-precision FPU.
 329         (movdf_vfp, thumb2_movdf_vfp): Likewise.  Use "Dy" for
 330         double-precision constants.
 331         (movhf_vfp_neon): New pattern (was movhf_vfp).
 332         (movhf_vfp): Remove NEON instructions.
 333         * config/arm/constraints.md: Add new "Dy" constraint for
 334         double-precision constants.  Update description of "Dv".
 335         * config/arm/arm.md: Disable double-precision patterns if the FPU
 336         does not provide them
 337
 338 2009-11-09  Jakub Jelinek  <jakub@redhat.com>
 339
 340         * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting.
 341         (print_operand) <case 'Y'>: Likewise.  Fix a pasto in operand lossage
 342         diagnostics.
 343
 344 2009-11-08  H.J. Lu  <hongjiu.lu@intel.com>
 345
 346         * collect2.c (main): Search PLUGIN_LD for plugin linker.
 347
 348         * configure.ac (--with-plugin-ld): New.  Default to ld.
 349         * configure: Regenerated.
 350         * config.in: Likewise.
 351
 352         * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New.
 353         (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin.
 354
 355 2009-11-08  Jonathan Gray  <jsg@openbsd.org>
 356
 357         * config/openbsd-stdint.h: Change to reflect what
 358         c_common_nodes_and_builtins expects.
 359
 360 2009-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
 361
 362         * builtins.c (apply_args_reg_offset): Remove commented out delaration.
 363
 364 2009-11-08  Jakub Jelinek  <jakub@redhat.com>
 365
 366         PR target/41985
 367         * config/i386/i386.c (get_some_local_dynamic_name): Don't assert
 368         function contains at least one local dynamic name.
 369         (print_operand) <case '&'>: Instead output operand lossage diagnostics
 370         here if that happens.
 371
 372 2009-11-08  Zbigniew Chamski  <zbigniew.chamski@gmail.com>
 373             Joern Rennecke  <amylaar@spamcop.net>
 374
 375         * cfgrtl.c (pass_free_cfg): Add pass name.
 376         * cgraphbuild.c (pass_build_cgraph_edges): Likewise.
 377         (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise.
 378         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name.
 379         * df-core.c (pass_df_initialize_no_opt): Likewise.
 380         * except.c (pass_rtl_eh): Likewise.
 381         * function.c (pass_init_function, pass_leaf_regs): Likewise.
 382         * gcse.c (pass_rtl_pre): Change pass name.
 383         * passes.c (pass_postreload): Add pass name.
 384         (make_pass_instance): Don't use duplicate-tracking logic for
 385         names starting with '*'.
 386         (next_pass_1): Assert that pass has a name.
 387         (register_one_dump_file): If there is an space in the name,
 388         skip past it.
 389         * predict.c (pass_strip_predict_hints): Add pass name.
 390         * reg-stack.c (pass_stack_regs): Likewise.
 391         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
 392         * tree-cfg.c (pass_warn_function_return,
 393         pass_warn_function_noreturn): Add pass name.
 394         * tree-dfa.c (pass_referenced_vars): Likewise.
 395         * tree-optimize.c (pass_cleanup_cfg_post_optimizing):
 396         Fix whitespace before comment.
 397         (pass_fixup_cfg): Add pass name, fix whitespace before comment.
 398         (pass_init_datastructures): Add pass name.
 399         * tree-ssa-loop.c (pass_record_bounds): Likewise.
 400         * tree-ssa.c (pass_early_warn_uninitialized,
 401         pass_late_warn_uninitialized): Likewise.
 402         * tree.c (pass_ipa_free_lang_data): Likewise.
 403         * doc/passes.texi (pass manager): Document how to disambiguate
 404         pass names.
 405
 406 2009-11-08  Paolo Bonzini  <bonzini@gnu.org>
 407
 408         * df-problems.c: Fix documentation for forward simulation of LR.
 409         (df_simulate_one_insn_forwards): Use df_simulate_find_defs.
 410         (df_simulate_finalize_forwards): Remove.
 411         * df.h (df_simulate_finalize_forwards): Remove.
 412
 413 2009-11-08  Richard Guenther  <rguenther@suse.de>
 414
 415         * tree-ssa-structalias.c (build_succ_graph): Properly make
 416         variables escape if they are stored to anything.
 417
 418 2009-11-08  Richard Guenther  <rguenther@suse.de>
 419
 420         PR rtl-optimization/41928
 421         * loop-invariant.c (free_loop_data): If we didn't allocate
 422         loop data do not try to free it.
 423
 424 2009-11-07  Jason Merrill  <jason@redhat.com>
 425
 426         * tree.c (reconstruct_complex_type): Preserve attributes.
 427
 428 2009-11-07  Richard Guenther  <rguenther@suse.de>
 429
 430         * tree-ssa-structalias.c (build_succ_graph): Feed stores
 431         to anything only to variables that can take pointers.
 432         (get_constraint_for_ssa_var): Properly exclude full
 433         variables from expanding.
 434         (first_vi_for_offset): Avoid overflow in arithmetic.
 435         (first_or_preceding_vi_for_offset): Likewise.
 436         (count_num_arguments): Fix implementation.
 437         (gate_ipa_pta): Do not run when not optimizing.
 438
 439 2009-11-07  David Binderman <dcb314@hotmail.com>
 440
 441         * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi,
 442         expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some
 443         set but not used variables.
 444         (apply_args_reg_offset): Comment out as unused.
 445         * calls.c (flags_from_decl_or_type): Likewise.
 446         * genautomata.c (check_regexp_units_distribution): Likewise.
 447
 448 2009-11-07  Uros Bizjak  <ubizjak@gmail.com>
 449
 450         * config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd,
 451         xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql,
 452         *xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd,
 453         xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>,
 454         xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si,
 455         xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress
 456         operand alternatives.
 457
 458 2009-11-06  Michael Matz  <matz@suse.de>
 459
 460         PR middle-end/41963
 461         * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
 462         of a potential reciprocal to really be reciprocals.
 463
 464 2009-11-06  Jakub Jelinek  <jakub@redhat.com>
 465
 466         * config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and
 467         lwpintrin.h after immintrin.h.
 468         * config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove
 469         typedefs.
 470
 471         PR middle-end/41935
 472         * c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs
 473         or non-constant index, allow index one past the last element and
 474         allow exceeding array bound in arrays that might be used as flexible
 475         array members.
 476
 477 2009-11-05  Richard Henderson  <rth@redhat.com>
 478
 479         * config/i386/ia32intrin.h: Protect CRC32 builtins with __SSE4_2__.
 480
 481 2009-11-05  Paul Brook  <paul@codesourcery.com>
 482
 483         * config/arm/arm.c (arm_fp_model, arm_fpu_arch, arm_fpu_tune): Remove.
 484         (arm_fpu_desc): New.
 485         (all_fpus): Add FPU details.
 486         (fp_model_for_fpu): Remove.
 487         (arm_override_options): Set and use arm_fpu_desc and arm_fpu_attr.
 488         (arm_output_epilogue, arm_save_coproc_regs): Use TARGET_FPA_EMU2.
 489         (arm_file_start): Use arm_fpu_desc.
 490         * config/arm/arm.h (TARGET_FPA, TARGET_MAVERICK, TARGET_VFP,
 491         TARGET_VFPD32, TARGET_VFP3, TARGET_NEON_FP16, TARGET_NEON): Use
 492         arm_fpu_desc.
 493         (TARGET_FPA_EMU2): Define.
 494         (arm_fp_model, fputype, arm_fpu_tune): Remove.
 495         (vfp_reg_type, arm_fpu_desc): New.
 496         * config/arm/arm.md (attr fpu): Simplify.
 497         * config/arm/fpa.md (movxf_fpa): Use TARGET_FPA_EMU2.
 498         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Use string value.
 499         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Use string value.
 500         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Use string value.
 501         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Use string value.
 502
 503 2009-11-05  Michael Matz  <matz@suse.de>
 504
 505         * config/i386/i386.c (ix86_builtin_reciprocal): Remove dependency
 506         on TARGET_RECIP.
 507         * doc/invoke.texi (-mrecip): Clarify that we don't need -mrecip
 508         for 1/sqrtf.
 509
 510 2009-11-04  Jason Merrill  <jason@redhat.com>
 511
 512         PR c++/36912
 513         * varasm.c (initializer_constant_valid_p): A PLUS_EXPR
 514         or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
 515         (output_constant): Avoid crash after error.
 516
 517 2009-11-05  Martin Jambor  <mjambor@suse.cz>
 518
 519         * tree-sra.c (struct access): Changed comment of next_sibling field.
 520         (analyze_modified_params): Loop over accesses of a group rather than
 521         over all with the ame base, pass a common bitmap to
 522         walk_aliased_vdefs.
 523         (unmodified_by_ref_scalar_representative): Build link lists of
 524         accesses of a group.
 525         (splice_param_accesses): Likewise.
 526
 527 2009-11-04  Kenneth Zadeck  <zadeck@naturalbridge.com>
 528
 529         * df-scan.c (df-uses-record): Add case zero_extract of mem.
 530
 531 2009-11-04  Eric Botcazou  <ebotcazou@adacore.com>
 532
 533         PR target/10127
 534         PR ada/20548
 535         * config/i386/i386.md (probe_stack): New expander.
 536         (logical operation peepholes): Do not split stack checking probes.
 537
 538 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
 539             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 540
 541         * doc/invoke.texi (-mlwp): Add documentation.
 542         * doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
 543         * config.gcc (i[34567]86-*-*): Include lwpintrin.h.
 544         (x86_64-*-*): Ditto.
 545         * config/i386/lwpintrin.h: New file, provide x86 compiler
 546         intrinisics for LWP.
 547         * config/i386/cpuid.h (bit_LWP): Define LWP bit.
 548         * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
 549         * config/i386/i386-c.c (ix86_target_macros_internal): Check
 550         ISA_FLAG for LWP.
 551         * config/i386/i386.h (TARGET_LWP): New macro for LWP.
 552         * config/i386/i386.opt (-mlwp): New switch for LWP support.
 553         * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
 554         (OPTION_MASK_ISA_LWP_UNSET): New.
 555         (ix86_handle_option): Handle -mlwp.
 556         (isa_opts): Handle -mlwp.
 557         (enum pta_flags): Add PTA_LWP.
 558         (override_options): Add LWP support.
 559         (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
 560         (IX86_BUILTIN_LLWPCB32): Ditto.
 561         (IX86_BUILTIN_LLWPCB64): Ditto.
 562         (IX86_BUILTIN_SLWPCB16): Ditto.
 563         (IX86_BUILTIN_SLWPCB32): Ditto.
 564         (IX86_BUILTIN_SLWPCB64): Ditto.
 565         (IX86_BUILTIN_LWPVAL16): Ditto.
 566         (IX86_BUILTIN_LWPVAL32): Ditto.
 567         (IX86_BUILTIN_LWPVAL64): Ditto.
 568         (IX86_BUILTIN_LWPINS16): Ditto.
 569         (IX86_BUILTIN_LWPINS32): Ditto.
 570         (IX86_BUILTIN_LWPINS64): Ditto.
 571         (enum  ix86_special_builtin_type): Add LWP intrinsic support.
 572         (builtin_description): Ditto.
 573         (ix86_init_mmx_sse_builtins): Ditto.
 574         (ix86_expand_special_args_builtin): Ditto.
 575         * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for
 576         LWP support.
 577         (UNSPEC_SLWP_INTRINSIC): Ditto.
 578         (UNSPECV_LWPVAL_INTRINSIC): Ditto.
 579         (UNSPECV_LWPINS_INTRINSIC): Ditto.
 580         (lwp_llwpcbhi1): New lwp pattern.
 581         (lwp_llwpcbsi1): Ditto.
 582         (lwp_llwpcbdi1): Ditto.
 583         (lwp_slwpcbhi1): Ditto.
 584         (lwp_slwpcbsi1): Ditto.
 585         (lwp_slwpcbdi1): Ditto.
 586         (lwp_lwpvalhi3): Ditto.
 587         (lwp_lwpvalsi3): Ditto.
 588         (lwp_lwpvaldi3): Ditto.
 589         (lwp_lwpinshi3): Ditto.
 590         (lwp_lwpinssi3): Ditto.
 591         (lwp_lwpinsdi3): Ditto.
 592
 593 2009-11-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 594             Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
 595
 596         PR rtl-opt/41833
 597         * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
 598         a vec_duplicate.
 599
 600 2009-11-04  Richard Guenther  <rguenther@suse.de>
 601             Rafael Avila de Espindola  <espindola@google.com>
 602
 603         * gcc.c (process_command): Handle arguments name@offset.
 604
 605 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
 606             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 607
 608         * config.gcc (i[34567]86-*-*): Include xopintrin.h.
 609         (x86_64-*-*): Ditto.
 610         * config/i386/xopintrin.h: New file, provide common x86 compiler
 611         intrinisics for XOP.
 612         * config/i386/cpuid.h (bit_XOP): Define XOP bit.
 613         * config/i386/x86intrin.h: Add XOP check and xopintrin.h.
 614         * config/i386/i386-c.c(ix86_target_macros_internal): Check
 615         ISA_FLAG for XOP.
 616         * config/i386/i386.h(TARGET_XOP): New macro for XOP.
 617         * config/i386/i386.opt (-mxop): New switch for XOP support.
 618         * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
 619         (UNSPEC_XOP_TRUEFALSE)
 620         (UNSPEC_XOP_PERMUTE)
 621         (UNSPEC_FRCZ): Add new UNSPEC for XOP support.
 622         (PPERM_*): New constants for vpperm instruction.
 623         (xop_pcmov_<mode>): Add XOP conditional mov instructions.
 624         * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
 625         (OPTION_MASK_ISA_XOP_UNSET): New.
 626         (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
 627         (ix86_handle_option): Handle -mxop.
 628         (isa_opts): Handle -mxop.
 629         (enum pta_flags): Add PTA_XOP.
 630         (override_options): Add XOP support.
 631         (print_operand): Add code for XOP compare instructions.
 632         (ix86_expand_sse_movcc): Extend for XOP conditional move instruction.
 633         (ix86_expand_int_vcond): Extend for XOP compare instruction.
 634
 635         (IX86_BUILTIN_VPCMOV): New for XOP intrinsic.
 636         (IX86_BUILTIN_VPCMOV_V2DI): Ditto.
 637         (IX86_BUILTIN_VPCMOV_V4SI): Ditto.
 638         (IX86_BUILTIN_VPCMOV_V8HI): Ditto.
 639         (IX86_BUILTIN_VPCMOV_V16QI): Ditto.
 640         (IX86_BUILTIN_VPCMOV_V4SF): Ditto.
 641         (IX86_BUILTIN_VPCMOV_V2DF): Ditto.
 642
 643         (IX86_BUILTIN_VPCMOV256): Ditto.
 644         (IX86_BUILTIN_VPCMOV_V4DI256): Ditto.
 645         (IX86_BUILTIN_VPCMOV_V8SI256): Ditto.
 646         (IX86_BUILTIN_VPCMOV_V16HI256): Ditto.
 647         (IX86_BUILTIN_VPCMOV_V32QI256): Ditto.
 648         (IX86_BUILTIN_VPCMOV_V8SF256): Ditto.
 649         (IX86_BUILTIN_VPCMOV_V4DF256): Ditto.
 650
 651         (IX86_BUILTIN_VPPERM): Ditto.
 652
 653         (IX86_BUILTIN_VPMACSSWW): Ditto.
 654         (IX86_BUILTIN_VPMACSWW): Ditto.
 655         (IX86_BUILTIN_VPMACSSWD): Ditto.
 656         (IX86_BUILTIN_VPMACSWD): Ditto.
 657         (IX86_BUILTIN_VPMACSSDD): Ditto.
 658         (IX86_BUILTIN_VPMACSDD): Ditto.
 659         (IX86_BUILTIN_VPMACSSDQL): Ditto.
 660         (IX86_BUILTIN_VPMACSSDQH): Ditto.
 661         (IX86_BUILTIN_VPMACSDQL): Ditto.
 662         (IX86_BUILTIN_VPMACSDQH): Ditto.
 663         (IX86_BUILTIN_VPMADCSSWD): Ditto.
 664         (IX86_BUILTIN_VPMADCSWD): Ditto.
 665
 666         (IX86_BUILTIN_VPHADDBW): Ditto.
 667         (IX86_BUILTIN_VPHADDBD): Ditto.
 668         (IX86_BUILTIN_VPHADDBQ): Ditto.
 669         (IX86_BUILTIN_VPHADDWD): Ditto.
 670         (IX86_BUILTIN_VPHADDWQ): Ditto.
 671         (IX86_BUILTIN_VPHADDDQ): Ditto.
 672         (IX86_BUILTIN_VPHADDUBW): Ditto.
 673         (IX86_BUILTIN_VPHADDUBD): Ditto.
 674         (IX86_BUILTIN_VPHADDUBQ): Ditto.
 675         (IX86_BUILTIN_VPHADDUWD): Ditto.
 676         (IX86_BUILTIN_VPHADDUWQ): Ditto.
 677         (IX86_BUILTIN_VPHADDUDQ): Ditto.
 678         (IX86_BUILTIN_VPHSUBBW): Ditto.
 679         (IX86_BUILTIN_VPHSUBWD): Ditto.
 680         (IX86_BUILTIN_VPHSUBDQ): Ditto.
 681
 682         (IX86_BUILTIN_VPROTB): Ditto.
 683         (IX86_BUILTIN_VPROTW): Ditto.
 684         (IX86_BUILTIN_VPROTD): Ditto.
 685         (IX86_BUILTIN_VPROTQ): Ditto.
 686         (IX86_BUILTIN_VPROTB_IMM): Ditto.
 687         (IX86_BUILTIN_VPROTW_IMM): Ditto.
 688         (IX86_BUILTIN_VPROTD_IMM): Ditto.
 689         (IX86_BUILTIN_VPROTQ_IMM): Ditto.
 690
 691         (IX86_BUILTIN_VPSHLB): Ditto.
 692         (IX86_BUILTIN_VPSHLW): Ditto.
 693         (IX86_BUILTIN_VPSHLD): Ditto.
 694         (IX86_BUILTIN_VPSHLQ): Ditto.
 695         (IX86_BUILTIN_VPSHAB): Ditto.
 696         (IX86_BUILTIN_VPSHAW): Ditto.
 697         (IX86_BUILTIN_VPSHAD): Ditto.
 698         (IX86_BUILTIN_VPSHAQ): Ditto.
 699
 700         (IX86_BUILTIN_VFRCZSS): Ditto.
 701         (IX86_BUILTIN_VFRCZSD): Ditto.
 702         (IX86_BUILTIN_VFRCZPS): Ditto.
 703         (IX86_BUILTIN_VFRCZPD): Ditto.
 704         (IX86_BUILTIN_VFRCZPS256): Ditto.
 705         (IX86_BUILTIN_VFRCZPD256): Ditto.
 706
 707         (IX86_BUILTIN_VPCOMEQUB): Ditto.
 708         (IX86_BUILTIN_VPCOMNEUB): Ditto.
 709         (IX86_BUILTIN_VPCOMLTUB): Ditto.
 710         (IX86_BUILTIN_VPCOMLEUB): Ditto.
 711         (IX86_BUILTIN_VPCOMGTUB): Ditto.
 712         (IX86_BUILTIN_VPCOMGEUB): Ditto.
 713         (IX86_BUILTIN_VPCOMFALSEUB): Ditto.
 714         (IX86_BUILTIN_VPCOMTRUEUB): Ditto.
 715
 716         (IX86_BUILTIN_VPCOMEQUW): Ditto.
 717         (IX86_BUILTIN_VPCOMNEUW): Ditto.
 718         (IX86_BUILTIN_VPCOMLTUW): Ditto.
 719         (IX86_BUILTIN_VPCOMLEUW): Ditto.
 720         (IX86_BUILTIN_VPCOMGTUW): Ditto.
 721         (IX86_BUILTIN_VPCOMGEUW): Ditto.
 722         (IX86_BUILTIN_VPCOMFALSEUW): Ditto.
 723         (IX86_BUILTIN_VPCOMTRUEUW): Ditto.
 724
 725         (IX86_BUILTIN_VPCOMEQUD): Ditto.
 726         (IX86_BUILTIN_VPCOMNEUD): Ditto.
 727         (IX86_BUILTIN_VPCOMLTUD): Ditto.
 728         (IX86_BUILTIN_VPCOMLEUD): Ditto.
 729         (IX86_BUILTIN_VPCOMGTUD): Ditto.
 730         (IX86_BUILTIN_VPCOMGEUD): Ditto.
 731         (IX86_BUILTIN_VPCOMFALSEUD): Ditto.
 732         (IX86_BUILTIN_VPCOMTRUEUD): Ditto.
 733
 734         (IX86_BUILTIN_VPCOMEQUQ): Ditto.
 735         (IX86_BUILTIN_VPCOMNEUQ): Ditto.
 736         (IX86_BUILTIN_VPCOMLTUQ): Ditto.
 737         (IX86_BUILTIN_VPCOMLEUQ): Ditto.
 738         (IX86_BUILTIN_VPCOMGTUQ): Ditto.
 739         (IX86_BUILTIN_VPCOMGEUQ): Ditto.
 740         (IX86_BUILTIN_VPCOMFALSEUQ): Ditto.
 741         (IX86_BUILTIN_VPCOMTRUEUQ): Ditto.
 742
 743         (IX86_BUILTIN_VPCOMEQB): Ditto.
 744         (IX86_BUILTIN_VPCOMNEB): Ditto.
 745         (IX86_BUILTIN_VPCOMLTB): Ditto.
 746         (IX86_BUILTIN_VPCOMLEB): Ditto.
 747         (IX86_BUILTIN_VPCOMGTB): Ditto.
 748         (IX86_BUILTIN_VPCOMGEB): Ditto.
 749         (IX86_BUILTIN_VPCOMFALSEB): Ditto.
 750         (IX86_BUILTIN_VPCOMTRUEB): Ditto.
 751
 752         (IX86_BUILTIN_VPCOMEQW): Ditto.
 753         (IX86_BUILTIN_VPCOMNEW): Ditto.
 754         (IX86_BUILTIN_VPCOMLTW): Ditto.
 755         (IX86_BUILTIN_VPCOMLEW): Ditto.
 756         (IX86_BUILTIN_VPCOMGTW): Ditto.
 757         (IX86_BUILTIN_VPCOMGEW): Ditto.
 758         (IX86_BUILTIN_VPCOMFALSEW): Ditto.
 759         (IX86_BUILTIN_VPCOMTRUEW): Ditto.
 760
 761         (IX86_BUILTIN_VPCOMEQD): Ditto.
 762         (IX86_BUILTIN_VPCOMNED): Ditto.
 763         (IX86_BUILTIN_VPCOMLTD): Ditto.
 764         (IX86_BUILTIN_VPCOMLED): Ditto.
 765         (IX86_BUILTIN_VPCOMGTD): Ditto.
 766         (IX86_BUILTIN_VPCOMGED): Ditto.
 767         (IX86_BUILTIN_VPCOMFALSED): Ditto.
 768         (IX86_BUILTIN_VPCOMTRUED): Ditto.
 769
 770         (IX86_BUILTIN_VPCOMEQQ): Ditto.
 771         (IX86_BUILTIN_VPCOMNEQ): Ditto.
 772         (IX86_BUILTIN_VPCOMLTQ): Ditto.
 773         (IX86_BUILTIN_VPCOMLEQ): Ditto.
 774         (IX86_BUILTIN_VPCOMGTQ): Ditto.
 775         (IX86_BUILTIN_VPCOMGEQ): Ditto.
 776         (IX86_BUILTIN_VPCOMFALSEQ): Ditto.
 777         (IX86_BUILTIN_VPCOMTRUEQ): Ditto.
 778
 779         (enum multi_arg_type): New enum for describing the various XOP
 780         intrinsic argument types.
 781         (bdesc_multi_arg): New table for XOP intrinsics.
 782         (ix86_init_mmx_sse_builtins): Add XOP intrinsic support.
 783         (ix86_expand_multi_arg_builtin): New function for creating XOP
 784         intrinsics.
 785
 786         * config/i386/sse.md (sserotatemax): New mode attribute for XOP.
 787         (xop_pmacsww): Ditto.
 788         (xop_pmacssww): Ditto.
 789         (xop_pmacsdd): Ditto.
 790         (xop_pmacssdd): Ditto.
 791         (xop_pmacssdql): Ditto.
 792         (xop_pmacssdqh): Ditto.
 793         (xop_pmacsdql): Ditto.
 794         (xop_pmacsdql_mem): Ditto.
 795         (xop_mulv2div2di3_low): Ditto.
 796         (xop_pmacsdqh): Ditto.
 797         (xop_pmacsdqh_mem): Ditto.
 798         (xop_mulv2div2di3_high): Ditto.
 799         (xop_pmacsswd): Ditto.
 800         (xop_pmacswd): Ditto.
 801         (xop_pmadcsswd): Ditto.
 802         (xop_pmadcswd): Ditto.
 803         (xop_pcmov_<mode>): Ditto.
 804         (xop_pcmov_<mode>256): Ditto.
 805         (xop_phaddbw): Ditto.
 806         (xop_phaddbd): Ditto.
 807         (xop_phaddbq): Ditto.
 808         (xop_phaddwd): Ditto.
 809         (xop_phaddwq): Ditto.
 810         (xop_phadddq): Ditto.
 811         (xop_phaddubw): Ditto.
 812         (xop_phaddubd): Ditto.
 813         (xop_phaddubq): Ditto.
 814         (xop_phadduwd): Ditto.
 815         (xop_phadduwq): Ditto.
 816         (xop_phaddudq): Ditto.
 817         (xop_phsubbw): Ditto.
 818         (xop_phsubwd): Ditto.
 819         (xop_phsubdq): Ditto.
 820         (xop_pperm): Ditto.
 821         (rotl<mode>3): Ditto.
 822         (rotr<mode>3): Ditto.
 823         (xop_rotl<mode>3): Ditto.
 824         (xop_rotr<mode>3): Ditto.
 825         (vrotr<mode>3): Ditto.
 826         (vrotl<mode>3): Ditto.
 827         (xop_vrotl<mode>3): Ditto.
 828         (vlshr<mode>3): Ditto.
 829         (vashr<mode>3): Ditto.
 830         (vashl<mode>3
 831         (xop_ashl<mode>3): Ditto.
 832         (xop_lshl<mode>3): Ditto.
 833         (ashlv16qi3): Ditto.
 834         (lshlv16qi3): Ditto.
 835         (ashrv16qi3): Ditto.
 836         (ashrv2di3): Ditto.
 837         (xop_frcz<mode>2): Ditto.
 838         (xop_vmfrcz<mode>2): Ditto.
 839         (xop_frcz<mode>2256): Ditto.
 840         (xop_maskcmp<mode>3): Ditto.
 841         (xop_maskcmp_uns<mode>3): Ditto.
 842         (xop_maskcmp_uns2<mode>3): Ditto.
 843         (xop_pcom_tf<mode>3): Ditto.
 844
 845         * doc/invoke.texi (-mxop): Add documentation.
 846         * doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
 847
 848 2009-11-03  Mark Mitchell  <mark@codesourcery.com>
 849
 850         PR driver/11810
 851         * gcc.c (SWITCHES_NEED_SPACES): Define to "o".
 852         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Remove here.
 853         * config/mips/iris.h (SWITCHES_NEED_SPACES): Remove here.
 854
 855 2009-11-04  Richard Earnshaw  <rearnsha@arm.com>
 856
 857         PR target/40835
 858         * arm.md (peephole2 patterns for move and compare): New.
 859
 860 2009-11-04  Nick Clifton  <nickc@redhat.com>
 861
 862         * defaults.h (CONSTANT_ADDRESS_P): Provide a default definition.
 863         Make sure that it does not allow CONST_DOUBLEs.
 864         * doc/tm.texi (CONSTANT_ADDRESS_P): Update description.
 865         * config/avr/avr.h (CONSTANT_ADDRESS_P): Delete.
 866         * config/bfin/bfin.h (CONSTANT_ADDRESS_P): Delete.
 867         * config/cris/cris.h (CONSTANT_ADDRESS_P): Delete.
 868         * config/fr30/fr30.h (CONSTANT_ADDRESS_P): Delete.
 869         * config/frv/frv.h (CONSTANT_ADDRESS_P): Delete.
 870         * config/m32c/m32c.h (CONSTANT_ADDRESS_P): Delete.
 871         * config/m68hc11/m68hc11.h (CONSTANT_ADDRESS_P): Delete.
 872         * config/mep/mep.h (CONSTANT_ADDRESS_P): Delete.
 873         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Delete.
 874         * config/moxie/moxie.h (CONSTANT_ADDRESS_P): Delete.
 875         * config/pdp11/pdp11.h (CONSTANT_ADDRESS_P): Delete.
 876         * config/picochip/picochip.h (CONSTANT_ADDRESS_P): Delete.
 877         * config/score/score.h (CONSTANT_ADDRESS_P): Delete.
 878         * config/stormy16/stormy16.h (CONSTANT_ADDRESS_P): Delete.
 879
 880 2009-11-04  Richard Guenther  <rguenther@suse.de>
 881
 882         PR tree-optimization/41919
 883         * tree-vrp.c (test_for_singularity): Properly compare values.
 884
 885 2009-11-04  Revital Eres  <eres@il.ibm.com>
 886
 887         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
 888         Consider peeling for alignment only for stores and remove
 889         redundant assignment.
 890
 891 2009-11-04  Maxim Kuvyrkov  <maxim@codesourcery.com>
 892
 893         PR target/41302
 894         * config/m68k/m68k.c (m68k_reg_present_p): New static function.
 895         (m68k_ok_for_sibcall_p): Handle different result return locations.
 896
 897 2009-11-04  Richard Guenther  <rguenther@suse.de>
 898
 899         * c-opts.c (c_common_post_options): Move LTO option processing
 900         code ...
 901         * opts.c (decode_options): ... here.
 902
 903 2009-11-04  Jakub Jelinek  <jakub@redhat.com>
 904
 905         * c-common.c (fold_offsetof_1): Use %wd instead of
 906         HOST_WIDE_INT_PRINT_DEC.
 907
 908 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
 909
 910         * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define
 911         __pic__ or __PIC__.
 912
 913 2009-11-04  Maciej W. Rozycki  <macro@linux-mips.org>
 914
 915         * config.gcc (vax-*-linux*): Keep the original contents of
 916         tmake_file while adding vax/t-linux.
 917
 918 2009-11-03  Eric Botcazou  <ebotcazou@adacore.com>
 919
 920         PR target/10127
 921         PR ada/20548
 922         * expr.h (STACK_CHECK_PROBE_INTERVAL): Delete.
 923         (STACK_CHECK_PROBE_INTERVAL_EXP): New macro.
 924         (STACK_CHECK_MOVING_SP): Likewise.
 925         * system.h (STACK_CHECK_PROBE_INTERVAL): Poison it.
 926         * doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL.
 927         Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP.
 928         * doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK.
 929         Document PROBE_STACK.
 930         * explow.c (anti_adjust_stack_and_probe): New function.
 931         (allocate_dynamic_stack_space): Do not directly allocate space if
 932         STACK_CHECK_MOVING_SP, instead invoke above function.
 933         (emit_stack_probe): Handle probe_stack insn.
 934         (PROBE_INTERVAL): New macro.
 935         (STACK_GROW_OPTAB): Likewise.
 936         (STACK_GROW_OFF): Likewise.
 937         (probe_stack_range): Use Pmode and memory_address consistently.  Fix
 938         loop condition in the small constant case.  Rewrite in the general
 939         case to be immune to wraparounds.  Make sure the address of probes
 940         is valid.  Try to use [base + disp] addressing mode if possible.
 941         * ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack
 942         checking is enabled and STACK_CHECK_MOVING_SP.
 943         * rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled,
 944         return 1 for volatile references to the stack pointer.
 945         * tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on
 946         __builtin_alloca if stack checking is enabled.
 947         * unwind-dw2.c (uw_identify_context): Take into account whether the
 948         context is that of a signal frame or not.
 949         * config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1.
 950         * config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise.
 951
 952 2009-11-03  Jakub Jelinek  <jakub@redhat.com>
 953
 954         PR rtl-optimization/41917
 955         * rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
 956         operand isn't known to be 0, return 1.
 957
 958 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
 959
 960         * config/mips/mips.md: Fix typos.
 961
 962 2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>
 963
 964         * doc/invoke.texi: Fix typo.
 965
 966 2009-11-03  Paul Brook  <paul@codesourcery.com>
 967
 968         * config/arm/neon.ml (vectype): Add T_floatSF.
 969         (string_of_vectype): Ditto.
 970         * config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
 971         (deftypes): Use float for float32_t.
 972         * config/arm/arm_neon.h: Regenerate.
 973
 974 2009-11-03  Nick Clifton  <nickc@redhat.com>
 975             Kevin Buettner  <kevinb@redhat.com>
 976
 977         * config/rx/predicates.md (rx_store_multiple_vector): Reverse
 978         order of expected registers.
 979         (rx_load_multiple_vector): Likewise.
 980         (rx_rtsd_vector): Likewise.
 981         * config/rx/rx.c (rx_cpu_type): New variable.
 982         (rx_print_operand): Fix bug printing 64-bit constant values.
 983         (rx_emit_stack_pushm): Reverse order of pushed registers.
 984         (gen_rx_store_vector): Likewise.
 985         (is_fast_interrupt_func): Only accept "fast_interrupt" as the
 986         attribute name.
 987         (is_exception_func): Rename to is_interrupt_func and only accept
 988         "interrupt" as the attribute name.
 989         (rx_get_stack_layout): Use new function name.
 990         (rx_func_attr_inlinable): Likewise.
 991         (rx_attribute_table): Remove "exception".
 992         (rx_expand_prologue): If necessary push the accumulator register
 993         in the prologue of interrupt functions.
 994         (rx_expand_epilogue): If necessary pop the accumulator.
 995         (rx_builtins): Add RX_BUILTIN_MVTIPL.
 996         (rx_expand_builtin_stz): Remove.
 997         (rx_expand_builtin_mvtipl): New function.
 998         (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
 999         (rx_expand_builtin): Likewise.
1000         (rx_enable_fpu): New variable.
1001         (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
1002         * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
1003         on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
1004         (enum rx_cpu_types): Define.
1005         (ASM_SPEC): Pass -m32bit-doubles on to assembler.
1006         (INCOMING_FRAME_SP_OFFSET): Define.
1007         (ARG_POINTER_CFA_OFFSET): Define.
1008         (FRAME_POINTER_CFA_OFFSET): Define.
1009         (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
1010         (ALLOW_RX_FPU_INSNS): Define.
1011         * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
1012         fast_math_flags_set_p.
1013         (UNSPEC_BUILTIN_MVTIPL): Define.
1014         (revl): Rename to bswapsi2.
1015         (bswaphi2): New pattern.
1016         (mvtachi): Mark as volatile because it uses a register unknown to GCC.
1017         (mvtaclo): Likewise.
1018         (racw): Likewise.
1019         (mvtc): Remove clobber of cc0.
1020         (mvtcp): Delete.
1021         (opecp): Delete.
1022         * config/rx/rx.opt (mieee): Remove.
1023         (fpu): Add.
1024         (nofpu): Add.
1025         (mcpu=): Add.
1026         (patch=): Add.
1027         (msave-acc-in-interrupts): Add.
1028         * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles.
1029         (MULTILIB_DIRS): Likewise.
1030         (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
1031         * doc/extend.texi: Remove description of "exception" function
1032         attribute.
1033         * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
1034         -msave-acc-in-interrupts options.
1035
1036 2009-11-03  Richard Guenther  <rguenther@suse.de>
1037
1038         * c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.
1039
1040 2009-11-03  Dodji Seketeli  <dodji@redhat.com>
1041
1042         PR c++/38699
1043         * c-common.c (fold_offsetof_1): Issue errors when the member
1044         designator of the offsetof expression is not legitimate.
1045
1046 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
1047
1048         * config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
1049         names instead of numerical constants.
1050         (sse_prologue_save): Ditto.
1051         (*sse_prologue_save_insn): Ditto.
1052
1053 2009-11-03  Uros Bizjak  <ubizjak@gmail.com>
1054
1055         PR target/41900
1056         * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
1057         (TARGET_CALL_ESP): New define.
1058         * config/i386/i386.c (initial_ix86_tune_features): Initialize
1059         X86_ARCH_CALL_ESP.
1060         * config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
1061         *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
1062         *call_1, *call_value_pop_1 and *call_value_1.  Depend on
1063         TARGET_CALL_ESP.
1064         (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
1065         New patterns, use "lsm" as operand 1 constraint.
1066         * config/i386/predicates.md (call_insn_operand): Depend on
1067         index_register_operand for !TARGET_CALL_ESP to avoid %esp register.
1068
1069 2009-11-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1070
1071         PR tree-optimization/41857
1072         * tree-flow.h (rewrite_use_address): Add BASE_HINT argument.
1073         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass base hint
1074         to create_mem_ref.
1075         * tree-ssa-address.c (move_hint_to_base): New function.
1076         (most_expensive_mult_to_index): Add TYPE argument.  Use mode and
1077         address space associated with TYPE.
1078         (addr_to_parts): Add TYPE and BASE_HINT arguments.  Pass TYPE to
1079         most_expensive_mult_to_index.  Call move_hint_to_base.
1080         (create_mem_ref): Add BASE_HINT argument.  Pass BASE_HINT and
1081         TYPE to addr_to_parts.
1082
1083 2009-11-02  Martin Jambor  <mjambor@suse.cz>
1084
1085         PR tree-optimization/41750
1086         * tree-sra.c (analyze_modified_params): Loop over all
1087         representatives of components of a parameter.
1088
1089 2009-11-02  Jakub Jelinek  <jakub@redhat.com>
1090
1091         PR tree-optimization/41841
1092         * ipa-struct-reorg.c (build_data_structure): Don't attempt to look at
1093         local variables of not yet materialized clones.
1094
1095         PR debug/41893
1096         * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
1097         for a VOIDmode variable.
1098
1099         PR c++/41774
1100         * c-pragma.c (visstack): Change into vector of ints rather than
1101         enum symbol_visibility.
1102         (push_visibility): Add kind argument, push default_visibility together
1103         with kind.
1104         (pop_visibility): Add kind argument, return true if successful, fail
1105         if visibility stack is empty or if stack top is of different kind.
1106         (handle_pragma_visibility): Don't check length of visstack, instead
1107         call pop_visibility and issue diagnostics if it failed.  Pass 0
1108         as last argument to push_visibility and pop_visibility.
1109         * c-pragma.h (push_visibility): Add kind argument.
1110         (pop_visibility): Likewise.  Return bool instead of void.
1111
1112 2009-11-01  Eric Botcazou  <ebotcazou@adacore.com>
1113
1114         * tree.def (TARGET_MEM_REF): Update comment.
1115         * alias.c (get_alias_set): Retrieve the original memory reference for
1116         a TARGET_MEM_REF before proceeding.
1117
1118 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
1119
1120         * config/frv/frv.c (frv_function_value, frv_libcall_value,
1121         frv_function_value_regno_p): New functions.
1122         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
1123         * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
1124         (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p.
1125         * config/frv/frv-protos.h (frv_function_value_regno_p): Declare.
1126
1127 2009-10-31  Anatoly Sokolov  <aesok@post.ru>
1128
1129         * config/mn10300/mn10300.c (mn10300_function_value): Make static, add
1130         new 'outgoing' argument.
1131         (mn10300_libcall_value, mn10300_function_value_regno_p): New functions.
1132         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
1133         * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
1134         LIBCALL_VALUE): Remove.
1135         (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p.
1136         * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove.
1137         (mh10300_function_value_regno_p): Declare.
1138
1139 2009-10-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1140
1141         * config/arm/cortex-a9.md: New - integer pipeline description.
1142
1143 2009-10-31  Eric Botcazou  <ebotcazou@adacore.com>
1144
1145         * tree-ssa-sccvn.c (vn_reference_lookup_3): Bail out instead of
1146         aborting if the sizes of the two references don't match.
1147
1148 2009-10-31  Toon Moene  <toon@moene.org>
1149
1150         * ipa-inline.c (cgraph_decide_inlining):
1151         Include reason for not inlining called-once functions in dump file.
1152
1153 2009-10-30  Daniel Gutson  <dgutson@codesourcery.com>
1154
1155         * config/arm/linux-eabi.h (LINK_SPEC): BE8_LINK_SPEC added.
1156         * config/arm/bpapi.h (BE8_LINK_SPEC): New define.
1157         (LINK_SPEC): BE_LINK_SPEC added.
1158
1159 2009-10-30  Richard Guenther  <rguenther@suse.de>
1160
1161         PR lto/41858
1162         * lto-streamer.h (struct lto_file_decl_data): Remove fd member.
1163
1164 2009-10-30  Nathan Sidwell  <nathan@codesourcery.com>
1165
1166         * target-def.h (TARGET_ASM_TTYPE): Correct typo of TARGET_ARM_TTYPE.
1167         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): Remove unused
1168         label.
1169
1170 2009-10-30  Martin Jambor  <mjambor@suse.cz>
1171
1172         * tree-sra.c (build_ref_for_offset_1): Remove a comment.
1173
1174 2009-10-30  H.J. Lu  <hongjiu.lu@intel.com>
1175
1176         PR target/40838
1177         * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary
1178         first.  Move assert on stack_alignment_estimated just before
1179         setting stack_realign_needed.
1180         (gimple_expand_cfg): Initialize stack_alignment_estimated to 0.
1181         Don't call update_stack_boundary.
1182
1183         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New.
1184         (verride_options): Don't check ix86_force_align_arg_pointer here.
1185         (ix86_function_ok_for_sibcall): Use it.
1186         (ix86_update_stack_boundary): Likewise.
1187
1188         * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments.
1189
1190 2009-10-30  Richard Earnshaw  <rearnsha@arm.com>
1191
1192         * arm.md (QHSI): New mode iterator.
1193         (movqi): If generating for thumb, then truncate any immediate to
1194         8 bits.
1195         * thumb2.md (thumb2_movsi_shortim and peephole2 generator): Replace
1196         with...
1197         (thumb2_mov<mode>_shortim and peephole2 generator): ... iterator based
1198         version.
1199
1200 2009-10-29  Cary Coutant  <ccoutant@google.com>
1201
1202         PR debug/41700
1203         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hook (two
1204         locations in the source).
1205         (store_vcall_insn): New function.
1206         (lookup_vcall_insn): New function.
1207         (dwarf2out_virtual_call_token): Use store_vcall_insn.
1208         (dwarf2out_copy_call_info): New function.
1209         (dwarf2out_virtual_call): Use lookup_vcall_insn.
1210         * emit-rtl.c (try_split): Call copy_call_info debug hook.
1211         * debug.h (struct gcc_debug_hooks): Add copy_call_info hook.
1212         * debug.c (do_nothing_debug_hooks): Add dummy entry for new hook.
1213         (debug_nothing_rtx_rtx): New dummy hook.
1214         * dbxout.c (dbx_debug_hooks): Add dummy entry for new hook.
1215         (xcoff_debug_hooks): Likewise.
1216         * sdbout.c (sdb_debug_hooks): Likewise.
1217         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
1218
1219 2009-10-29  David Daney  <ddaney@caviumnetworks.com>
1220
1221         * doc/invoke.texi (mmcount-ra-address): Document new command line
1222         option.
1223         * config/mips/mips.opt (mmcount-ra-address): New option.
1224         * config/mips/mips-protos.h (mips_function_profiler): Declare new
1225         function.
1226         * config/mips/mips.c (struct mips_frame_info): Add ra_fp_offset
1227         member.
1228         (mips_for_each_saved_gpr_and_fpr): Set ra_fp_offset.
1229         (mips_function_profiler): Moved from FUNCTION_PROFILER, and
1230         rewritten.
1231         * config/mips/mips.h (FUNCTION_PROFILER): Body of macro moved to
1232         mips_function_profiler.
1233
1234 2009-10-29  Steve Ellcey  <sje@cup.hp.com>
1235
1236         PR middle-end/37565
1237         PR target/38018
1238         * doc/tm.texi (OVERRIDE_OPTIONS): Update.
1239         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
1240         * optc-gen.awk (cl_target_option_restore): Include call to
1241         targetm.override_options_after_change.
1242         * target-def.h (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
1243         * target.h (override_options_after_change): New.
1244         * c-common.c (parse_optimize_options): Call
1245         targetm.override_options_after_change.
1246         * config/ia64/ia64.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New.
1247         (ia64_override_options_after_change): New.
1248         (ia64_override_options) Add call to above.
1249
1250 2009-10-29  Michael Matz  <matz@suse.de>
1251
1252         * tree-ssa-math-opts.c (execute_convert_to_rsqrt): Remove.
1253         (gate_convert_to_rsqrt): Ditto.
1254         (pass_convert_to_rsqrt): Ditto.
1255         * tree-pass.h (pass_convert_to_rsqrt): Don't declare.
1256         * passes.c (init_optimization_passes): Don't add pass_convert_to_rsqrt
1257         to pass list.
1258
1259         * config/i386/i386.c (ix86_emit_swdivsf): Change evaluation order.
1260
1261 2009-10-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1262
1263         * config/arm/arm.c (find_best_start): Fix type of remainder to be
1264         unsigned.
1265
1266 2009-10-29  Martin Jambor  <mjambor@suse.cz>
1267
1268         PR tree-optimization/41775
1269         * tree-sra.c (build_ref_for_offset): Unshare *expr if not NULL.
1270         (generate_subtree_copies): Do not unshare agg.
1271         (load_assign_lhs_subreplacements): Do not unshare rhs.
1272         (sra_modify_assign): Do not unshare exprs.
1273         (propagate_subacesses_accross_link): Renamed to
1274         propagate_subaccesses_across_link.
1275
1276 2009-10-29  Richard Earnshaw  <rearnsha@arm.com>
1277
1278         * arm.c (count_insns_for_constant): Rework to support counting for
1279         thumb2 immediates as well.
1280         (find_best_start): Split out from arm_gen_constant.
1281         (arm_gen_constant): Rework to support XOR with immediate.
1282
1283 2009-10-29  Chao-ying Fu  <fu@mips.com>
1284
1285         * config/mips/mips.c (mips_emit_unary, mips_force_unary): New
1286         functions.
1287         (mips_expand_synci_loop):  Use the length rtx to control the
1288         synci loop from the begin rtx that points to the first byte of
1289         the cache line.
1290
1291 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
1292
1293         * doc/invoke.texi: Rename -use-linker-plugin -fuse-linker-plugin.
1294
1295 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
1296
1297         * dbxout.c (dbxout_common_check): Accept non public trees.
1298         * dwarf2out.c (fortran_common): Accept non public trees.
1299
1300 2009-10-28  Rafael Avila de Espindola  <espindola@google.com>
1301
1302         * common.opt (fuse-linker-plugin): New option.
1303         * gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
1304         fuse-linker-plugin.
1305         * opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
1306
1307 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1308
1309         PR rtl-optimization/39715
1310         * config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1.
1311         (gen_cstoresi_ltu_thumb1): New splitter.
1312
1313 2009-10-28  Richard Guenther  <rguenther@suse.de>
1314
1315         PR lto/41808
1316         PR lto/41839
1317         * tree-ssa.c (useless_type_conversion_p): Do not treat
1318         conversions to pointers to incomplete types as useless.
1319         * gimple.c (gimple_types_compatible_p): Compare struct tags,
1320         not typedef names.
1321
1322 2009-10-28  Jakub Jelinek  <jakub@redhat.com>
1323
1324         * var-tracking.c (emit_note_insn_var_location): Don't call the second
1325         vt_expand_loc unnecessarily when location is not a register nor
1326         memory.
1327
1328         PR middle-end/41837
1329         * ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
1330         fields don't have DECL_NAME.
1331
1332         PR debug/41801
1333         * builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
1334         call convert_memory_address on addr.
1335
1336         PR target/41762
1337         * config/i386/i386.c (ix86_pic_register_p): Don't call
1338         rtx_equal_for_cselib_p for VALUEs discarded as useless.
1339
1340 2009-10-28  Richard Sandiford  <rdsandiford@googlemail.com>
1341
1342         * var-tracking.c (emit_note_insn_var_location): Get the mode of
1343         a variable part from its REG, MEM or VALUE.
1344
1345 2009-10-28  Richard Guenther  <rguenther@suse.de>
1346
1347         * gimple.c (gimple_get_alias_set): Fix comment typo.
1348
1349 2009-10-28  Richard Guenther  <rguenther@suse.de>
1350
1351         * tree.c (free_lang_data_in_type): Do not call get_alias_set.
1352         (free_lang_data): Unconditionally compute alias sets for all
1353         standard integer types.  Bail out if gate bailed out previously.
1354         Do not reset the types_compatible_p langhook.
1355         (gate_free_lang_data): Remove.
1356         (struct pass_ipa_free_lang_data): Enable unconditionally.
1357         * gimple.c (gimple_get_alias_set): Use the same alias-set for
1358         all pointer types.
1359
1360 2009-10-28  Richard Guenther  <rguenther@suse.de>
1361
1362         PR middle-end/41855
1363         * tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs
1364         (ref_maybe_used_by_call_p_1): Fix bcopy handling.
1365         (call_may_clobber_ref_p_1): Likewise.
1366         * tree-ssa-structalias.c (find_func_aliases): Likewise.
1367         * alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs.
1368
1369 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1370
1371         PR rtl-optimization/41812
1372
1373         Revert:
1374         2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
1375
1376         * df-problems.c (df_md_scratch): New.
1377         (df_md_alloc, df_md_free): Allocate/free it.
1378         (df_md_local_compute): Only include live registers in init.
1379         (df_md_transfer_function): Prune the in-set computed by
1380         the confluence function, and the gen-set too.
1381
1382 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1383
1384         PR rtl-optimization/39715
1385         * combine.c (simplify_comparison): Use extensions to
1386         widen comparisons.  Try an ANDing first.
1387
1388 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1389
1390         PR rtl-optimization/40741
1391         * config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with
1392         a small constant is cheap.
1393         * config/arm/arm.md (andsi3, iorsi3): Try to place the result of
1394         force_reg on the LHS.
1395         (xorsi3): Likewise, and split the XOR if the constant is complex
1396         and not in Thumb mode.
1397
1398 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1399
1400         * expmed.c (emit_store_flag): Check costs before
1401         transforming to the opposite representation.
1402
1403 2009-10-28  Paolo Bonzini  <bonzini@gnu.org>
1404
1405         * config/sh/sh.md (cbranchfp4_media): Remove hack extending
1406         cstore result to DImode.
1407
1408 2009-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1409
1410         * config/sh/sh.md (stuff_delay_slot): Move const_int pattern
1411         inside the unspec vector.
1412
1413 2009-10-27  Richard Henderson  <rth@redhat.com>
1414
1415         * cgraphunit.c (cgraph_optimize): Maintain timevar stack properly.
1416
1417 2009-10-27  Richard Henderson  <rth@redhat.com>
1418
1419         PR c++/41819
1420         * tree-eh.c (eh_region_may_contain_throw_map): Rename from
1421         eh_region_may_contain_throw; update users.
1422         (eh_region_may_contain_throw): New function.
1423         (lower_catch): Check flag_exceptions before creating exception region.
1424         (lower_eh_filter, lower_eh_must_not_throw): Likewise.
1425         (lower_cleanup): Tidy existing flag_exceptions check to match.
1426
1427 2009-10-27  Kai Tietz <kai.tietz@onevision.com>
1428
1429         PR/41799
1430         * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro.
1431         * config/i386/mingw.opt: Add fset-stack-executable.
1432         * config/i386/i386.c (ix86_trampoline_init): Make call to
1433         emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is
1434         defined and its value is not zero.
1435         * doc/invoke.texi
1436
1437 2009-10-27  Richard Guenther  <rguenther@suse.de>
1438
1439         * tree-ssa-structalias.c (find_func_aliases): In IPA mode
1440         handle calls to externally visible functions like in regular mode.
1441         (create_variable_info_for): Do not create function infos here.
1442         (have_alias_info): Remove write-only variable.
1443         (solve_constraints): New function split out from common code
1444         in compute_points_to_sets and ipa_pta_execute.
1445         (compute_points_to_sets): Adjust.
1446         (ipa_pta_execute): Likewise.  Handle clones and externally visible
1447         functions like in non-IPA mode.
1448
1449 2009-10-27  Jakub Jelinek  <jakub@redhat.com>
1450
1451         PR c/41842
1452         * c-typeck.c (convert_arguments): Return -1 if any of the arguments is
1453         error_mark_node.
1454
1455 2009-10-27  Richard Guenther  <rguenther@suse.de>
1456
1457         * tree-complex.c (expand_complex_div_wide): Check for
1458         INTEGER_CST, not TREE_CONSTANT on comparison folding result.
1459
1460 2009-10-27  Revital Eres  <eres@il.ibm.com>
1461
1462         PR tree-optimization/40648
1463         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
1464         Change decision of when to peel for alignment.
1465
1466 2009-10-27  Richard Guenther  <rguenther@suse.de>
1467
1468         PR lto/41821
1469         * gimple.c (gimple_types_compatible_p): Handle OFFSET_TYPE.
1470
1471 2009-10-27  Aldy Hernandez  <aldyh@redhat.com>
1472
1473         PR bootstrap/41451
1474         * fold-const.c (fold_binary_loc): Do not call
1475         protected_set_expr_location.
1476
1477 2009-10-27  Wei Guozhi  <carrot@google.com>
1478
1479         PR target/41705
1480         * target.h (have_conditional_execution): Add a new target hook
1481         function.
1482         * target-def.h (TARGET_HAVE_CONDITIONAL_EXECUTION): Likewise.
1483         * targhooks.h (default_have_conditional_execution): Likewise.
1484         * targhooks.c (default_have_conditional_execution): Likewise.
1485         * doc/tm.texi (TARGET_HAVE_CONDITIONAL_EXECUTION): Document it.
1486         * config/arm/arm.c (TARGET_HAVE_CONDITIONAL_EXECUTION): Define it.
1487         (arm_have_conditional_execution): New function.
1488         * ifcvt.c (noce_process_if_block, find_if_header,
1489         cond_exec_find_if_block, dead_or_predicable): Change the usage of
1490         macro HAVE_conditional_execution to a target hook call.
1491         * recog.c (peephole2_optimize): Likewise.
1492         * sched-rgn.c (add_branch_dependences): Likewise.
1493         * final.c (asm_insn_count, final_scan_insn): Likewise.
1494         * bb-reorder.c (HAVE_conditional_execution): Remove it.
1495
1496 2009-10-26  Ben Elliston  <bje@au.ibm.com>
1497             Michael Meissner  <meissner@linux.vnet.ibm.com>
1498             Ulrich Weigand  <uweigand@de.ibm.com>
1499
1500         * config.gcc (spu-*-elf*): Add spu_cache.h to extra_headers.
1501         * config/spu/spu_cache.h: New file.
1502
1503         * config/spu/cachemgr.c: New file.
1504         * config/spu/cache.S: New file.
1505
1506         * config/spu/spu.h (ASM_OUTPUT_SYMBOL_REF): Define.
1507         (ADDR_SPACE_EA): Define.
1508         (TARGET_ADDR_SPACE_KEYWORDS): Define.
1509         * config/spu/spu.c (EAmode): New macro.
1510         (TARGET_ADDR_SPACE_POINTER_MODE): Define.
1511         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
1512         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Likewise.
1513         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
1514         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
1515         (TARGET_ADDR_SPACE_CONVERT): Likewise.
1516         (TARGET_ASM_SELECT_SECTION): Likewise.
1517         (TARGET_ASM_UNIQUE_SECTION): Likewise.
1518         (TARGET_ASM_UNALIGNED_SI_OP): Likewise.
1519         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
1520         (ea_symbol_ref): New function.
1521         (spu_legitimate_constant_p): Handle __ea qualified addresses.
1522         (spu_addr_space_legitimate_address_p): New function.
1523         (spu_addr_space_legitimize_address): Likewise.
1524         (cache_fetch): New global.
1525         (cache_fetch_dirty): Likewise.
1526         (ea_alias_set): Likewise.
1527         (ea_load_store): New function.
1528         (ea_load_store_inline): Likewise.
1529         (expand_ea_mem): Likewise.
1530         (spu_expand_mov): Handle __ea qualified memory references.
1531         (spu_addr_space_pointer_mode): New function.
1532         (spu_addr_space_address_mode): Likewise.
1533         (spu_addr_space_subset_p): Likewise.
1534         (spu_addr_space_convert): Likewise.
1535         (spu_section_type_flags): Handle "._ea" section.
1536         (spu_select_section): New function.
1537         (spu_unique_section): Likewise.
1538         * config/spu/spu-c.c (spu_cpu_cpp_builtins): Support __EA32__
1539         and __EA64__ predefined macros.
1540         * config/spu/spu-elf.h (LIB_SPEC): Handle -mcache-size= and
1541         -matomic-updates switches.
1542
1543         * config/spu/t-spu-elf (MULTILIB_OPTIONS): Define.
1544         (EXTRA_MULTILIB_PARTS): Add libgcc_cachemgr.a,
1545         libgcc_cachemgr_nonatomic.a, libgcc_cache8k.a, libgcc_cache16k.a,
1546         libgcc_cache32k.a, libgcc_cache64k.a, libgcc_cache128k.a.
1547         ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o): New target.
1548         ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache64k.o,
1549         $(T)cache128k.o): Likewise.
1550         ($(T)libgcc_%.a): Likewise.
1551
1552         * config/spu/spu.h (TARGET_DEFAULT): Add MASK_ADDRESS_SPACE_CONVERSION.
1553         * config/spu/spu.opt (-mea32/-mea64): Add switches.
1554         (-maddress-space-conversion): Likewise.
1555         (-mcache-size=): Likewise.
1556         (-matomic-updates): Likewise.
1557         * doc/invoke.texi (-mea32/-mea64): Document.
1558         (-maddress-space-conversion): Likewise.
1559         (-mcache-size=): Likewise.
1560         (-matomic-updates): Likewise.
1561
1562 2009-10-26  Ben Elliston  <bje@au.ibm.com>
1563             Michael Meissner  <meissner@linux.vnet.ibm.com>
1564             Ulrich Weigand  <uweigand@de.ibm.com>
1565
1566         * doc/tm.texi (TARGET_ADDR_SPACE_KEYWORDS): Document.
1567
1568         * c-common.c (c_common_reswords): If TARGET_ADDR_SPACE_KEYWORDS is
1569         defined, add the named address space keywords.
1570         (c_addr_space_name): New function.
1571         (complete_array_type): Preserve named address space.
1572         (handle_mode_attribute): Use targetm.addr_space.valid_pointer_mode
1573         instead of targetm.valid_pointer_mode.
1574
1575         * c-common.h (enum rid): Add RID_ADDR_SPACE_0 .. RID_ADDR_SPACE_15,
1576         RID_FIRST_ADDR_SPACE and RID_LAST_ADDR_SPACE.
1577         (ADDR_SPACE_KEYWORD): New macro.
1578         (c_addr_space_name): Add prototype.
1579
1580         * c-tree.h (struct c_declspecs): Add address_space member.
1581         (declspecs_add_addrspace): Add prototype.
1582
1583         * c-pretty-print.c (pp_c_type_qualifier_list): Handle address spaces.
1584
1585         * c-parser.c (c_parse_init): Add assertion.
1586         (typedef enum c_id_kind): Add C_ID_ADDRSPACE.
1587         (c_lex_one_token): Handle address space keywords.
1588         (c_token_starts_typename): Likewise.
1589         (c_token_starts_declspecs): Likewise.
1590         (c_parser_declspecs): Likewise.
1591         (c_parser_postfix_expression_after_paren_type): Diagnose compound
1592         literal within function qualified with named address space.
1593
1594         * c-decl.c (diagnose_mismatched_decls): Diagnose conflicting named
1595         address space qualifiers.
1596         (shadow_tag_warned): Warn about useless address space qualifiers.
1597         (quals_from_declspecs): Handle address space qualifiers.
1598         (grokdeclarator): Likewise.
1599         (build_null_declspecs): Likewise.
1600         (declspecs_add_addrspace): New function.
1601
1602         * c-typeck.c (addr_space_superset): New function.
1603         (qualify_type): Handle named address spaces.
1604         (composite_type): Likewise.
1605         (common_pointer_type): Likewise.
1606         (comp_target_types): Likewise.
1607         (build_conditional_expr): Likewise.
1608         (handle_warn_cast_qual): Likewise.
1609         (build_c_cast): Likewise.
1610         (convert_for_assignment): Likewise.
1611         (build_binary_op): Likewise.
1612         (pointer_diff): Handle named address spaces.  Use intermediate
1613         integer type of sufficient size if required.
1614
1615 2009-10-26  Ben Elliston  <bje@au.ibm.com>
1616             Michael Meissner  <meissner@linux.vnet.ibm.com>
1617             Ulrich Weigand  <uweigand@de.ibm.com>
1618
1619         * doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document.
1620         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
1621         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
1622
1623         * target.h (struct target_def): Add pointer_mode, address_mode,
1624         and valid_pointer_mode to addr_space substructure.
1625         * target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define.
1626         (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise.
1627         (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise.
1628         (TARGET_ADDR_SPACE_HOOKS): Add them.
1629         * targhooks.c (target_default_pointer_address_modes_p): New function.
1630         * target.h (target_default_pointer_address_modes_p): Add prototype.
1631         * targhooks.c (default_addr_space_pointer_mode): New function.
1632         (default_addr_space_address_mode): Likewise.
1633         (default_addr_space_valid_pointer_mode): Likewise.
1634         * targhooks.h (default_addr_space_pointer_mode): Add prototype.
1635         (default_addr_space_address_mode): Likewise.
1636         (default_addr_space_valid_pointer_mode): Likewise.
1637         * output.h (default_valid_pointer_mode): Move to ...
1638         * targhooks.h (default_valid_pointer_mode): ... here.
1639         * varasm.c (default_valid_pointer_mode): Move to ...
1640         * targhooks.c (default_valid_pointer_mode): ... here.
1641
1642         * varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode
1643         instead of targetm.valid_pointer_mode.
1644
1645         * fold-const.c (fit_double_type): Use int_or_pointer_precision.
1646         * tree.c (integer_pow2p): Likewise.
1647         (tree_log2): Likewise.
1648         (tree_floor_log2): Likewise.
1649         (signed_or_unsigned_type_for): Support pointer type of different size.
1650         (int_or_pointer_precision): New function.
1651         * tree.h (int_or_pointer_precision): Add prototype.
1652         * stor-layout.c (layout_type): Set TYPE_PRECISION for offset types.
1653         * varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of
1654         incoming pointer type instead of POINTER_SIZE.
1655
1656         * tree.c (build_pointer_type): Use appropriate pointer mode
1657         instead of ptr_mode.
1658         (build_reference_type): Likewise.
1659         * expr.c (store_expr): Likewise.
1660         (expand_expr_addr_expr): Likewise.
1661         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise.
1662         * cfgexpand.c (expand_debug_expr): Likewise.
1663
1664         * auto-inc-dec.c: Include "target.h".
1665         (try_merge): Use appropriate address mode instead of Pmode.
1666         (find_inc): Likewise.
1667         * combine.c (find_split_point): Likewise.
1668         * cselib.c (cselib_record_sets): Likewise.
1669         * dse.c (replace_inc_dec): Likewise.
1670         (canon_address): Likewise.
1671         * var-tracking.c (replace_expr_with_values): Likewise.
1672         (count_uses): Likewise.
1673         (add_uses): Likewise.
1674         (add_stores): Likewise.
1675         * emit-rtl.c: Include "target.h".
1676         (adjust_address_1): Use appropriate address mode instead of Pmode.
1677         (offset_address): Likewise.
1678         * explow.c (break_out_memory_refs): Likewise.
1679         (memory_address_addr_space): Likewise.
1680         (promote_mode): Likewise.
1681         * expr.c (move_by_pieces): Likewise.
1682         (emit_block_move_via_loop): Likewise.
1683         (store_by_pieces): Likewise.
1684         (store_by_pieces_1): Likewise.
1685         (expand_assignment): Likewise.
1686         (store_constructor): Likewise.
1687         (expand_expr_addr_expr): Likewise.
1688         (expand_expr_real_1): Likewise.
1689         * cfgexpand.c (expand_debug_expr): Likewise.
1690         * ifcvt.c (noce_try_cmove_arith): Likewise.
1691         * regcprop.c (kill_autoinc_value): Likewise.
1692         * regmove.c (try_auto_increment): Likewise.
1693         * reload.c (find_reloads): Likewise.
1694         (find_reloads_address): Likewise.
1695         (find_reloads_address_1): Likewise.
1696         * sched-deps.c: Include "target.h".
1697         (sched_analyze_1): Use appropriate address mode instead of Pmode.
1698         (sched_analyze_2): Likewise.
1699         * sel-sched-dump.c: Include "target.h".
1700         (debug_mem_addr_value): Use appropriate address mode instead of Pmode.
1701         * stor-layout.c (layout_type): Likewise.
1702         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
1703         (multiplier_allowed_in_address_p): Likewise.
1704         (get_address_cost): Likewise.
1705         * varasm.c (make_decl_rtl): Likewise.
1706
1707         * expr.c (expand_assignment): Always convert offsets to appropriate
1708         address mode.
1709         (store_expr): Likewise.
1710         (store_constructor): Likewise.
1711         (expand_expr_real_1): Likewise.
1712
1713         * reload.h (form_sum): Add MODE argument.
1714         * reload.c (form_sum): Add MODE argument, use it instead of Pmode.
1715         Update recursive calls.
1716         (subst_indexed_address): Update calls to form_sum.
1717
1718         * tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument.
1719         * tree-ssa-address.c: Include "target.h".
1720         (templates): Replace by ...
1721         (mem_addr_template_list): ... this new vector.
1722         (TEMPL_IDX): Handle address space numbers.
1723         (gen_addr_rtx): Add address mode argument, use it instead of Pmode.
1724         (addr_for_mem_ref): Add ADDRSPACE argument.  Use per-address-space
1725         instead of global cache.  Update call to gen_addr_rtx.
1726         (valid_mem_ref_p): Update call to addr_for_mem_ref.
1727         * expr.c (expand_expr_real_1): Update call to addr_for_mem_ref.
1728
1729         * rtl.h (convert_memory_address_addr_space): Add prototype.
1730         (convert_memory_address): Define as macro.
1731         * explow.c (convert_memory_address): Rename to ...
1732         (convert_memory_address_addr_space): ... this.  Add ADDRSPACE argument.
1733         Use appropriate pointer and address modes instead of ptr_mode / Pmode.
1734         Update recursive calls.
1735         (memory_address_addr_space): Call convert_memory_address_addr_space.
1736         * expmed.c (make_tree): Likewise.
1737         * expr.c (expand_assignment): Likewise.
1738         (expand_expr_addr_expr_1): Likewise.  Also, add ADDRSPACE argument.
1739         (expand_expr_addr_expr): Likewise.  Also, update call.
1740
1741         * alias.c (find_base_value): Guard pointer size optimizations.
1742         (find_base_term): Likewise.
1743         * rtlanal.c (nonzero_bits1): Likewise.
1744         (num_sign_bit_copies1): Likewise.
1745         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
1746
1747         * Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency.
1748         (emit-rtl.o): Likewise.
1749         (auto-inc-dec.o): Likewise.
1750         (sched-deps.o): Likewise.
1751
1752 2009-10-26  Ben Elliston  <bje@au.ibm.com>
1753             Michael Meissner  <meissner@linux.vnet.ibm.com>
1754             Ulrich Weigand  <uweigand@de.ibm.com>
1755
1756         * doc/extend.texi (Named Address Spaces): New section.
1757         * coretypes.h (addr_space_t): New type.
1758         (ADDR_SPACE_GENERIC): New define.
1759         (ADDR_SPACE_GENERIC_P): New macro.
1760
1761         * doc/tm.texi (Named Address Spaces): New section.
1762         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document.
1763         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document.
1764         (TARGET_ADDR_SPACE_SUBSET_P): Document.
1765         (TARGET_ADDR_SPACE_CONVERT): Document.
1766         * target.h (struct gcc_target): Add addr_space substructure.
1767         * target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define.
1768         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise.
1769         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
1770         (TARGET_ADDR_SPACE_CONVERT): Likewise.
1771         (TARGET_ADDR_SPACE_HOOKS): Likewise.
1772         (TARGET_INITIALIZER): Initialize addr_space hooks.
1773         * targhooks.c (default_addr_space_legitimate_address_p): New function.
1774         (default_addr_space_legitimize_address): Likewise.
1775         (default_addr_space_subset_p): Likewise.
1776         (default_addr_space_convert): Likewise.
1777         * targhooks.h (default_addr_space_legitimate_address_p): Add prototype.
1778         (default_addr_space_legitimize_address): Likewise.
1779         (default_addr_space_subset_p): Likewise.
1780         (default_addr_space_convert): Likewise.
1781
1782         * doc/rtl.texi (MEM_ADDR_SPACE): Document.
1783         * rtl.h (mem_attrs): Add ADDRSPACE memory attribute.
1784         (MEM_ADDR_SPACE): New macro.
1785         * emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set
1786         address space memory attribute.
1787         (mem_attrs_htab_hash): Handle address space memory attribute.
1788         (mem_attrs_htab_eq): Likewise.
1789         (set_mem_attributes_minus_bitpos): Likewise.
1790         (set_mem_alias_set): Likewise.
1791         (set_mem_align): Likewise.
1792         (set_mem_expr): Likewise.
1793         (set_mem_offset): Likewise.
1794         (set_mem_size): Likewise.
1795         (adjust_address_1): Likewise.
1796         (offset_address): Likewise.
1797         (widen_memoy_address): Likewise.
1798         (get_spill_slot_decl): Likewise.
1799         (set_mem_attrs_for_spill): Likewise.
1800         (set_mem_addr_space): New function.
1801         * emit-rtl.h (set_mem_addr_space): Add prototype.
1802         * print-rtl.c (print_rtx): Print address space memory attribute.
1803         * expr.c (expand_assignment): Set address space memory attribute
1804         of generated MEM RTXes as appropriate.
1805         (expand_expr_real_1): Likewise.
1806         * cfgexpand.c (expand_debug_expr): Likewise.
1807         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
1808
1809         * tree.h (struct tree_base): Add address_space bitfield.  Reduce
1810         size of "spare" bitfield.
1811         (TYPE_ADDR_SPACE): New macro.
1812         (ENCODE_QUAL_ADDR_SPACE): Likewise.
1813         (DECODE_QUAL_ADDR_SPACE): Likewise.
1814         (CLEAR_QUAL_ADDR_SPACE): Likewise.
1815         (KEEP_QUAL_ADDR_SPACE): Likewise.
1816         (TYPE_QUALS): Encode type address space.
1817         (TYPE_QUALS_NO_ADDR_SPACE): New macro.
1818         * tree.c (set_type_quals): Set type address space.
1819         (build_array_type): Inherit array address space from element type.
1820         * print-tree.c (print_node_brief): Print type address space.
1821         (print_node): Likewise.
1822         * tree-pretty-print.c (dump_generic_node): Likewise.
1823
1824         * explow.c (memory_address): Rename to ...
1825         (memory_address_addr_space): ... this.  Add ADDRSPACE argument.
1826         Use address-space aware variants of memory address routines.
1827         * recog.c (memory_address_p): Rename to ...
1828         (memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
1829         Use address-space aware variants of memory address routines.
1830         (offsettable_address_p): Rename to ...
1831         (offsettable_address_addr_space_p): ... this.  Add ADDRSPACE argument.
1832         Use address-space aware variants of memory address routines.
1833         * reload.c (strict_memory_address_p): Rename to ...
1834         (strict_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
1835         Use address-space aware variants of memory address routines.
1836         (maybe_memory_address_p): Rename to ...
1837         (maybe_memory_address_addr_space_p): ... this.  Add ADDSPACE argument.
1838         Use address-space aware variants of memory address routines.
1839         * expr.h (memory_address_addr_space): Add prototype.
1840         (memory_address): Define as macro.
1841         * recog.h (memory_address_addr_space_p): Add prototype.
1842         (memory_address_p): Define as macro.
1843         (offsettable_address_addr_space_p): Add prototype.
1844         (offsettable_address_p): Define as macro.
1845         (strict_memory_address_addr_space_p): Add prototype.
1846         (strict_memory_address_p): Define as macro.
1847
1848         * combine.c (find_split_point): Use address-space aware variants
1849         of memory address routines.
1850         * emit-rtl.c (operand_subword): Likewise.
1851         (change_address_1): Likewise.
1852         (adjust_address_1): Likewise.
1853         (offset_address): Likewise.
1854         * expr.c (emit_move_insn): Likewise.
1855         (expand_assignment): Likewise.
1856         (expand_expr_real_1): Likewise.
1857         * recog.c (verify_changes): Likewise.
1858         (general_operand): Likewise.
1859         (offsettable_memref_p): Likewise.
1860         (offsettable_nonstrict_memref_p): Likewise.
1861         (constrain_operands): Likewise.
1862         * reload.c (get_secondary_mem): Likewise.
1863         (find_reloads_toplev): Likewise.
1864         (find_reloads_address): Likewise.
1865         (find_reloads_subreg_address): Likewise.
1866         * reload1.c (reload): Likewise.
1867         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
1868         * rtl.h (address_cost): Add ADDRSPACE argument.
1869         * rtlanal.c (address_cost): Add ADDRSPACE argument.  Use address-space
1870         aware variant of memory address routines.
1871         * loop-invariant.c (create_new_invariant): Update address_cost call.
1872         * tree-ssa-loop-ivopts.c (computation_cost): Likewise.
1873         * fwprop.c (should_replace_address): Add ADDRSPACE argument.
1874         Use address-space aware variant of memory address routines.
1875         (propagate_rtx_1): Update call to should_replace_address.
1876         * tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE
1877         argument.
1878         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add
1879         ADDRSPACE argument.  Use per-address-space instead of global cache.
1880         Use address-space aware variant of memory address routines.
1881         (get_address_cost): Likewise.
1882         (get_computation_cost_at): Update calls.
1883         * tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument.
1884         Use address-space aware variant of memory address routines.
1885         (create_mem_ref_raw): Update call to valid_mem_ref_p.
1886         (most_expensive_mult_to_index): Update call to
1887         multiplier_allowed_in_address_p.
1888
1889         * dwarf2out.c (modified_type_die): Output DW_AT_address_class
1890         attribute to indicate named address spaces.
1891
1892         * varasm.c (get_variable_section): DECLs in named address spaces
1893         cannot be "common".
1894
1895         * reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS
1896         for addresses in a non-generic address space.
1897
1898         * expr.c (emit_block_move_hints): Do not use libcalls for
1899         memory in non-generic address spaces.
1900         (clear_storage_hints): Likewise.
1901         (expand_assignment): Likewise.
1902
1903         * fold-const.c (operand_equal_p): Expressions refering to different
1904         address spaces are not equivalent.
1905
1906         * rtl.c (rtx_equal_p_cb): MEMs refering to different address
1907         spaces are not equivalent.
1908         (rtx_equal_p): Likewise.
1909         * cse.c (exp_equiv_p): Likewise.
1910         * jump.c (rtx_renumbered_equal_p): Likewise.
1911         * reload.c (operands_match_p): Likewise.
1912
1913         * alias.c (nonoverlapping_memrefs_p): MEMs refering to different
1914         address spaces may alias.
1915         (true_dependence): Likewise.
1916         (canon_true_dependence): Likewise.
1917         (write_dependence_p): Likewise.
1918
1919         * dse.c (canon_address): Handle named address spaces.
1920         * ifcvt.c (noce_try_cmove_arith): Likewise.
1921
1922         * tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code.
1923         * expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR.
1924         * convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR
1925         to handle conversions between different address spaces.
1926         * fold-const.c (fold_convert_loc): Likewise.
1927         (fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR.
1928         * tree-pretty-print.c (dump_generic_node): Likewise.
1929         * gimple-pretty-print.c (dump_unary_rhs): Likewise.
1930         * tree-cfg.c (verify_gimple_assign_unary): Likewise.
1931         * tree-inline.c (estimate_operator_cost): Likewise.
1932         * tree-ssa.c (useless_type_conversion_p): Conversions between pointers
1933         to different address spaces are not useless.
1934
1935 2009-10-26  Jakub Jelinek  <jakub@redhat.com>
1936
1937         PR bootstrap/41345
1938         * cfgcleanup.c (trivially_empty_bb_p): New function.
1939         (try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.
1940
1941         PR debug/41828
1942         * dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die,
1943         add_name_and_src_coords_attributes, gen_namespace_die,
1944         dwarf2out_set_name): Handle dwarf2_name returning NULL.
1945
1946 2009-10-26  Nick Clifton  <nickc@redhat.com>
1947
1948         * config.gcc: Add support for RX target.
1949         * config/rx: New directory.
1950         * config/rx/constraints.md: New file.
1951         * config/rx/predicates.md: New file.
1952         * config/rx/rx.c: New file.
1953         * config/rx/rx.h: New file.
1954         * config/rx/rx.md: New file.
1955         * config/rx/rx.opt: New file.
1956         * config/rx/rx-protos.h: New file.
1957         * config/rx/t-rx: New file.
1958         * doc/extend.texi: Document RX function attributes.
1959         * doc/invoke.texi: Document RX specific command line options.
1960         * doc/contrib.texi: Document RX contribution.
1961         * doc/md.texi: Document RX constraints.
1962         * doc/install.texi: Document RX support.
1963
1964 2009-10-26  Michael Matz  <matz@suse.de>
1965
1966         PR tree-optimization/41783
1967         * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
1968         case for simple diamonds.
1969         * tree-ssa-alias.h (get_continuation_for_phi): Declare.
1970         * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
1971         argument, use alias oracle to skip some vdefs.
1972         (phi_translate_1): Change call to above, don't allocate new
1973         value ids if they can stay the same.
1974         (compute_avail): Allow vuse walking when looking up references.
1975
1976 2009-10-26  Richard Guenther  <rguenther@suse.de>
1977
1978         PR tree-optimization/41826
1979         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
1980         access to re-allocated vector fields.
1981
1982 2009-10-26  Richard Guenther  <rguenther@suse.de>
1983
1984         * graphite-sese-to-poly.c (check_poly_representation): Fix
1985         compile without checking.
1986
1987 2009-10-26  Janus Weil  <janus@gcc.gnu.org>
1988
1989         PR fortran/41714
1990         * gimple.h (tree_annotate_all_with_location): Remove prototype.
1991         * gimplify.c (tree_should_carry_location_p,
1992         tree_annotate_one_with_location,tree_annotate_all_with_location):
1993         Remove obsolete functions.
1994
1995 2009-10-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1996
1997         PR target/41813
1998         * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.
1999
2000 2009-10-25  Richard Guenther  <rguenther@suse.de>
2001
2002         * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
2003         Stream DECL_RESTRICTED_P.
2004         * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
2005
2006 2009-10-25  Richard Sandiford  <rdsandiford@googlemail.com>
2007
2008         * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
2009         a note when expanding to nothing.
2010
2011 2009-10-25  Richard Guenther  <rguenther@suse.de>
2012
2013         PR middle-end/41814
2014         * tree.c (find_decls_types_r): Deal with Java overloading
2015         BINFO_VIRTUALS for its own purpose.
2016
2017 2009-10-24  Adam Nemet  <anemet@caviumnetworks.com>
2018
2019         * config/mips/predicates.md (hilo_operand): New predicate.
2020         * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
2021         define_insn.  Correct !ISA_HAS_EXT_INS length from 24 to 28.  Move
2022         splitter part from here ...:
2023         (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here.  Swap
2024         op0 and op4 to match the DINS case.
2025         (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.
2026
2027 2009-10-24  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
2028
2029         PR middle-end/19154
2030         * avr.md (QIDI): Add new mode iterator.
2031         (sbrx_branch<mode>): Create new zero extract bit, test and jump
2032         patterns for all QI thru DI modes combinations.
2033         (sbrx_and_branch<mode>): Create new and based bit test and jump
2034         patterns for QI thru SI modes.
2035         avr.c (avr_out_sbxx_branch): Use only bit number.
2036
2037 2009-10-24  Jan Hubicka  <jh@suse.cz>
2038
2039         * ipa-reference.c (check_call): Noreturn notrhow calls do not write
2040         to memory.
2041         (analyze_function): When analyzing noreturn nothrow call, do not
2042         compute written stats; free bitmaps of vars early if possible.
2043         (generate_summary): Only update bitmaps if computed.
2044         (propagate): Only dump bitmaps if computed.
2045         (ipa_reference_read_summary): Fix pasto.
2046
2047 2009-10-24  Eric Botcazou  <ebotcazou@adacore.com>
2048
2049         * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
2050         (aliasing_component_refs_p): ...this.  Return true if there is no
2051         common base and the base access types have the same alias set.
2052         (indirect_ref_may_alias_decl_p): Adjust for above renaming.
2053         (indirect_refs_may_alias_p): Likewise.
2054
2055 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
2056
2057         PR c/40033
2058         * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
2059         a C_MAYBE_CONST_EXPR.
2060
2061 2009-10-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2062
2063         PR target/41787
2064         * config/rs6000/rs6000.c (struct machine_function): Add
2065         vsx_or_altivec_used_p to record if vector types are used.
2066         (rs6000_expand_to_rtl_hook): Rename from
2067         rs6000_alloc_sdmode_stack_slot.  If VSX, check to see if there are
2068         any vector operations, so if there are, we can set VRSAVE to
2069         non-zero when only floating point vector registers are used.
2070         (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
2071         (rs6000_check_vector_mode): Inner function to check if vector
2072         types are used in the code.
2073         (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
2074         vector instructions are used.
2075
2076         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
2077         Indicate that VSX registers which overlap floating point
2078         registers, can't be used across a call, since the ABI only states
2079         the scalar part of the register will be saved and restored.
2080
2081 2009-10-23  Joseph Myers  <joseph@codesourcery.com>
2082
2083         PR c/41673
2084         * alias.c (get_alias_set): Call langhook before returning 0 for
2085         types with structural equality.
2086         * c-common.c (c_common_get_alias_set): Use alias set of element
2087         type for arrays with structural comparison.
2088
2089 2009-10-23  Richard Guenther  <rguenther@suse.de>
2090
2091         PR middle-end/41805
2092         * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
2093         gimple_call_nothrow_p.
2094
2095 2009-10-23  Richard Guenther  <rguenther@suse.de>
2096
2097         PR tree-optimization/41778
2098         * tree-ssa-pre.c (do_regular_insertion): Only insert if a
2099         redundancy along a path in the CFG we want to optimize for speed
2100         is going to be removed.
2101         (execute_pre): Do partial-PRE only if the function is to be
2102         optimized for speed.
2103         (gate_pre): Do not turn off all of PRE when not optimizing a
2104         function for speed.
2105
2106 2009-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2107
2108         * builtins.c (fold_builtin_cabs): Use validate_arg().
2109         (fold_builtin_cexp): Fix if-logic.
2110         (fold_builtin_1): Check subtype for BUILT_IN_CIMAG.
2111
2112 2009-10-22  Jeff Law  <law@redhat.com>
2113
2114         * ira-lives.c (process_single_reg_class_operands): Update the
2115         hard reg costs for all the hard registers desired by the
2116         single reg class operand.
2117
2118 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
2119
2120         * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
2121         for rtxes that aren't handled specially.
2122
2123 2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>
2124
2125         * rtl.h (shallow_copy_rtvec): Declare.
2126         * rtl.c (shallow_copy_rtvec): New function.
2127         * cselib.c (cselib_subst_to_values): Use it.  Only modify an
2128         rtx field if the subrtx has changed.
2129
2130 2009-10-22  Anatoly Sokolov  <aesok@post.ru>
2131
2132         * config/m32c/m32c.c (m32c_function_value_regno_p): New function.
2133         (m32c_function_value): Make static, add new 'outgoing' argument.
2134         (m32c_libcall_value): Make static, add new 'fun' argument.
2135         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2136         * config/m32c/m32c.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
2137         (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p.
2138         * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare.
2139         (m32c_function_value, m32c_libcall_value): Delete declaration.
2140
2141 2009-10-22  Diego Novillo  <dnovillo@google.com>
2142
2143         * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H.
2144
2145 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
2146
2147         * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white
2148         space.
2149
2150 2009-10-22  Richard Guenther  <rguenther@suse.de>
2151
2152         * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
2153         * lto-symtab.c (struct lto_symtab_entry_def): Add node member.
2154         (lto_symtab_merge): Do not merge cgraph nodes here.
2155         (lto_symtab_resolve_can_prevail_p): Simplify.
2156         (lto_symtab_resolve_symbols): Store cgraph node.
2157         (lto_symtab_merge_decls_1): Simplify.  Do not drop non-prevailing
2158         functions from the symtab.
2159         (lto_symtab_merge_cgraph_nodes_1): New function.
2160         (lto_symtab_merge_cgraph_nodes): Likewise.
2161
2162 2009-10-22  Richard Guenther  <rguenther@suse.de>
2163
2164         PR lto/41791
2165         * lto-streamer-out.c (lto_output_location): Stream the
2166         system header flag.
2167         * lto-streamer-in.c (lto_input_location): Likewise.
2168
2169 2009-10-22  Razya Ladelsky  <razya@il.ibm.com>
2170
2171         * cfgloopmanip.c (duplicate_subloops): Export.
2172         * tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
2173         (transform_to_exit_first_loop): Duplicate bbs starting from
2174         header up to loop->latch instead of exit->src.
2175         Initialize control variable to the correct number of iterations.
2176         (gather_scalar_reductions): Do not register double reductions.
2177         (parallelize_loops): Dump which loop is tested.
2178         Indicate whether the parallelized loop is inner or not.
2179         Remove the innermost-loop requirement.
2180         * cfgloop.h (duplicate_subloops): Export.
2181         * tree-cfg.c (add_phi_args_after_redirect): New function.
2182         (gimple_duplicate_sese_tail): Remove the no-subloops constraint.
2183         Call duplicate_subloops.
2184         Update number of iterations at the exit condition.
2185         Don't redirect nexits always to the loop exit.
2186         Redirect copied edges from latch to the loop exit.
2187
2188 2009-10-22  Jan Hubicka  <jh@suse.cz>
2189
2190         * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and
2191         flag_ltrans check.
2192         * ipa-inline.c (cgraph_mark_inline_edge,
2193         cgraph_decide_inlining_of_small_function,
2194         cgraph_decide_inlining, inline_read_summary): Disable indirect
2195         inlining for WPA for time being.
2196
2197         PR tree-optimize/40556
2198         * ipa-inline.c (cgraph_early_inlining): Fix iterations condition.
2199
2200 2009-10-22  Richard Guenther  <rguenther@suse.de>
2201
2202         * lto-streamer.h (lto_symtab_clear_resolution): Remove.
2203         * lto-symtab.c (lto_symtab_clear_resolution): Likewise.
2204
2205 2009-10-22  Jan Hubicka  <jh@suse.cz>
2206
2207         PR lto/41730
2208         * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
2209         global vars.
2210         (check_call): Handle only indirect calls.
2211         (propagate_bits): Update comment.
2212         (write_node_summary_p): Turn bogus check to assert.
2213         (ipa_reference_write_summary): Stream calls_read_all properly.
2214         (ipa_reference_read_summary): Stream in calls_read_all properly.
2215         (read_write_all_from_decl): New function.
2216         (propagate): Handle OVERWRITABLE nodes and external calls here.
2217         * ipa-pre-const.c (check_call): In IPA mode handle indirect
2218         calls only.
2219         (analyze_function): Do not check visibility here.
2220         (add_new_function): We summary OVERWRITABLE too.
2221         (generate_summary): Stream OVERWRITABLE nodes too.
2222         (propagate): Handle external calls and OVERWRITABLE nodes here.
2223         (local_pure_const): Check visibility here.
2224
2225 2009-10-22  Jan Hubicka  <jh@suse.cz>
2226
2227         * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
2228         (pass_ipa_cp): Register them.
2229         (ipcp_init_stage): Analyze all functions for whopr/lto.
2230         (ipcp_propagate_stage): Skip external calls.
2231         (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
2232         * ipa-reference.c (write_node_summary_p): Fix thinko about
2233         availability.
2234         * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
2235         when in ltrans, skip executing of ipa passes since everything
2236         should've been done.
2237         * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
2238         (inline_generate_summary): Likewise.
2239         (inline_read_summary): New function.
2240         (inline_write_summary): New function.
2241         (pass_ipa_inline): Register new hooks.
2242         * ipa-prop.c: Inlcude lto-streamer.h
2243         (ipa_edge_args_vector): Update declaration.
2244         (ipa_count_arguments, ipa_compute_jump_functions,
2245         ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
2246         (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
2247         ipa_read_node_info): New static functions.
2248         (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
2249         (duplicate_array): Use xmalloc.
2250         (duplicate_ggc_array): New.
2251         (ipa_edge_duplication_hook): Use it.
2252         (ipa_update_after_lto_read): New function.
2253         * ipa-prop.h (ipa_prop_write_jump_functions,
2254         ipa_prop_read_jump_functions): Declare.
2255         (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
2256         jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
2257         (ipa_edge_args_vector): Move into GGC.
2258         (ipa_check_create_edge_args): Update.
2259         (ipa_update_after_lto_read): New.
2260         * passes.c (ipa_write_summaries_1): When in wpa, do not write
2261         summaries.
2262         (ipa_read_summaries): When in ltrans, so not read summaries.
2263         * lto-streamer.c (lto_get_section_name): Add
2264         LTO_section_jump_functions.
2265         * lto-streamer.h (LTO_section_jump_functions): New section.
2266         (produce_asm): Declare.
2267         * lto-cgraph.c (output_cgraph): Output edges in reverse order.
2268         * lto-streamer-out.c (produce_asm): Export.
2269         * lto-streamer-in.c: Include tree-pass.h
2270         (input_function): Free dominance info when done.
2271         (lto_read_body): Push ipa_inline in ltrans stage.
2272         * gengtype.c (open_base_files): Add ipa-prop.h into includes.
2273         * Makefile.in (GTFILES): Add ipa-prop.h
2274
2275 2009-10-22  Matthias Klose  <doko@ubuntu.com>
2276
2277         * doc/install.texi: Document --enable-browser-plugin.
2278
2279 2009-10-21  Vladimir Makarov  <vmakarov@redhat.com>
2280
2281         * doc/invoke.texi (fira-loop-pressure): Update default value.
2282         * opts.c (decode_options): Remove default value setting for
2283         flag_ira_loop_pressure.
2284         * config/ia64/ia64.c (ia64_override_options): Set
2285         flag_ira_loop_pressure up for -O3.
2286         * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
2287
2288 2009-10-21  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         PR tree-optimization/41497
2291         * tree-scalar-evolution.c (analyze_evolution_in_loop): Return
2292         chrec_dont_know if the evolution function returned by follow_ssa_edge
2293         is constant in the analyzed loop and is not compatible with the
2294         initial value before the loop.
2295         * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
2296
2297 2009-10-21  Joseph Myers  <joseph@codesourcery.com>
2298
2299         * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF.
2300
2301 2009-10-21  Jakub Jelinek  <jakub@redhat.com>
2302
2303         PR other/25507
2304         * doc/invoke.texi: Document -print-multi-os-directory.
2305
2306 2009-10-21  Jack Howarth  <howarth@bromo.med.uc.edu>
2307
2308         PR c++/41313
2309         * gcc/config/darwin10.h: Use default_emit_unwind_label.
2310         * gcc/config/darwin.c: Disable -freorder-blocks-and-partition
2311         when darwin_emit_unwind_label is used.
2312
2313 2009-10-21  Eric Botcazou  <ebotcazou@adacore.com>
2314
2315         * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak
2316         order of checks.
2317
2318 2009-10-20  Richard Henderson  <rth@redhat.com>
2319
2320         * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1
2321         before emit_post_landing_pad.
2322
2323 2009-10-20  Adam Nemet  <anemet@caviumnetworks.com>
2324
2325         * config/mips/mips.c (mips_binary_cost): Add new argument speed.
2326         Use when calling rtx_costs.
2327         (mips_rtx_costs): Fix formatting.  Use argument speed rather than the
2328         global optimize_size.  Pass speed to mips_binary_cost.
2329
2330 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
2331
2332         * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
2333         of TREE_CONSTANT.
2334
2335 2009-10-20  Richard Sandiford  <rdsandiford@googlemail.com>
2336
2337         * rtl.h (simplify_replace_fn_rtx): Declare.
2338         (wrap_constant, unwrap_constant): Delete.
2339         * cfgexpand.c (unwrap_constant, wrap_constant): Delete.
2340         (expand_debug_expr): Don't call wrap_constant.
2341         * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
2342         (auto_adjust_pair): Fold into...
2343         (propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
2344         Just return a new value.
2345         (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
2346         otherwise use simplify_replace_rtx.
2347         * cselib.c (wrap_constant): Reinstate old definition.
2348         (cselib_expand_value_rtx_1): Don't wrap constants.
2349         * gcse.c (try_replace_reg): Don't use copy_rtx in the call to
2350         simplify_replace_rtx.
2351         (bypass_block): Fix formatting in calls to simplify_replace_rtx.
2352         * reload1.c (reload): Skip all uses for an insn before adjusting it.
2353         Use simplify_replace_rtx.
2354         * simplify-rtx.c (simplify_replace_fn_rtx): New function,
2355         adapted from...
2356         (simplify_replace_rtx): ...here.  Turn into a wrapper for
2357         simplify_replace_fn_rtx.
2358         (simplify_unary_operation): Don't unwrap CONSTs.
2359         * var-tracking.c (check_wrap_constant): Delete.
2360         (vt_expand_loc_callback): Don't call it.
2361         (vt_expand_loc): Likewise.
2362
2363 2009-10-20  Pascal Obry  <obry@adacore.com>
2364             Eric Botcazou  <ebotcazou@adacore.com>
2365
2366         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.
2367
2368 2009-10-20  Michael Matz  <matz@suse.de>
2369
2370         * loop-invariant.c (create_new_invariant): Use different magic number.
2371
2372 2009-10-20  Richard Earnshaw  <rearnsha@arm.com>
2373
2374         PR target/39247
2375         * arm.c (arm_override_options): Forcibly disable hot/cold block
2376         partitioning.
2377
2378 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
2379
2380         PR debug/41739
2381         * haifa-sched.c (try_ready): Skip debug deps updating speculation
2382         status.
2383
2384 2009-10-20  Richard Guenther  <rguenther@suse.de>
2385
2386         * ggc-page.c: Include cfgloop.h.
2387         (struct max_alignment): Drop long double, add void *.
2388         (extra_order_size_table): Add low non-power-of-two multiples
2389         of MAX_ALIGNMENT.  Drop small type-based entries, add
2390         tree_type, cgraph_node and loop.
2391         * alloc-pool.c (struct allocation_object_def): Drop long double
2392         aligning element.
2393
2394 2009-10-20  Jakub Jelinek  <jakub@redhat.com>
2395
2396         PR debug/41340
2397         * loop-invariant.c (calculate_loop_reg_pressure): Don't count regs
2398         referenced just in DEBUG_INSNs.
2399
2400 2009-10-20  Richard Guenther  <rguenther@suse.de>
2401
2402         PR lto/41761
2403         * gimple.c (gimple_register_type): Make sure we register
2404         the types main variant first.
2405
2406 2009-10-20  Richard Guenther  <rguenther@suse.de>
2407
2408         * gimple.c (gimple_types_compatible_p): Simplify.  Move
2409         cheap checks before hashtable queries.  Add checks for
2410         TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P.
2411
2412 2009-10-20  Eric Botcazou  <ebotcazou@adacore.com>
2413
2414         * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields
2415         without size or with size that can't be represented as a host integer.
2416
2417 2009-10-20  Alexandre Oliva  <aoliva@redhat.com>
2418
2419         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
2420         the removal of a debug stmt as a significant change.
2421
2422 2009-10-20  Wolfgang Gellerich  <gellerich@de.ibm.com>
2423
2424         * config/s390/s390.md: Added agen condition to operand
2425         forwarding bypasses.  Added bypass for early address generation
2426         use of int results.  Updated comments.
2427
2428 2009-10-20  Stefan Dösinger  <stefan@codeweavers.com>
2429
2430         * config/i386/i386.c: Remove signal.h #include.
2431
2432 2009-10-20  Jie Zhang  <jie.zhang@analog.com>
2433
2434         * simplify-rtx.c (simplify_const_unary_operation): Handle SS_ABS.
2435         * doc/rtl.texi: Document ss_abs.
2436
2437 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
2438
2439         * c-common.c (c_parse_error): Handle CPP_UTF8STRING.
2440         * c-lex.c (c_lex_with_flags): Likewise.  Test C_LEX_STRING_NO_JOIN
2441         instead of C_LEX_RAW_STRINGS.
2442         (lex_string): Handle CPP_UTF8STRING.
2443         * c-parser.c (c_parser_postfix_expression): Likewise.
2444         * c-pragma.h (C_LEX_RAW_STRINGS): Rename to ...
2445         (C_LEX_STRING_NO_JOIN): ... this.
2446
2447 2009-10-19  Anatoly Sokolov  <aesok@post.ru>
2448
2449         * config/cris/cris.c (cris_function_value, cris_libcall_value,
2450         cris_function_value_regno_p): New functions.
2451         (cris_promote_function_mode): Update comment.
2452         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
2453         * config/cris/cris.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
2454         (FUNCTION_VALUE_REGNO_P): Redefine, use cris_function_value_regno_p.
2455         * config/cris/cris-protos.h (cris_function_value_regno_p): Declare.
2456
2457 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
2458
2459         * unwind-dw2.c (execute_stack_op): Fix operand order for
2460         DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.
2461
2462 2009-10-19  Eric Botcazou  <ebotcazou@adacore.com>
2463
2464         * gimple-low.c (struct lower_data): Add cannot_fallthru field.
2465         (lower_stmt) <GIMPLE_BIND>: Add comment.
2466         <GIMPLE_COND, GIMPLE_GOTO, GIMPLE_SWITCH>: Set cannot_fallthru to true
2467         and return.
2468         <GIMPLE_RETURN>: Remove the statement if cannot_fallthru is set.
2469         Otherwise lower it and set cannot_fallthru to true.
2470         <GIMPLE_TRY>: Update cannot_fallthru for GIMPLE_TRY_FINALLY and return.
2471         <GIMPLE_CATCH, GIMPLE_EH_FILTER>: Set cannot_fallthru to false.
2472         <GIMPLE_CALL>: Set cannot_fallthru to false for BUILT_IN_SETJMP and
2473         to true for a noreturn call.  Do not remove statements.
2474         <GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TASK>: Set cannot_fallthru to false.
2475         Set cannot_fallthru to false on function exit.
2476         (gimple_stmt_may_fallthru) <GIMPLE_SWITCH>: Really return false.
2477         <GIMPLE_ASSIGN>: Remove.
2478
2479 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2480
2481         * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.
2482
2483 2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2484
2485         * config/s390/s390.c (s390_z10_optimize_cmp): Use
2486         next/prev_active_insn to skip DEBUG_INSNs as well.
2487
2488 2009-10-19  Joseph Myers  <joseph@codesourcery.com>
2489
2490         * config/arm/arm.c (output_move_neon): Use DImode in call to
2491         adjust_address.
2492
2493 2009-10-19  Matthias Klose  <doko@ubuntu.com>
2494
2495         PR target/40134
2496         * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc.
2497
2498 2009-10-19  Jakub Jelinek  <jakub@redhat.com>
2499
2500         * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM op0.
2501
2502 2009-10-17  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
2503
2504         PR middle-end/41738
2505         * optabs.c (expand_binop): Make mode of shift count expression mode
2506         of shift count not target.
2507         Remove indent nit.
2508
2509 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
2510
2511         * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New
2512         case.  Force using values to replace references within the statement.
2513         (convert_local_reference_stmt): Likewise.
2514
2515 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
2516
2517         * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn,
2518         remove a subsequent GOTO or RETURN statement.
2519
2520 2009-10-17  Andy Hutchinson  <hutchinsonandy@aim.com>
2521
2522         * config/avr.md (*movqi): Add zero as equally preferable constraint
2523         as general register.
2524         (*movhi): Ditto.
2525
2526 2009-10-17  Eric Botcazou  <ebotcazou@adacore.com>
2527
2528         * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION.
2529
2530 2009-10-17  Richard Guenther  <rguenther@suse.de>
2531
2532         * lto-streamer-in.c (lto_input_location): Try to reuse previous maps.
2533
2534 2009-10-17  Richard Guenther  <rguenther@suse.de>
2535
2536         * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL
2537         operands in COMPONENT_REFs.
2538
2539 2009-10-17  Anatoly Sokolov  <aesok@post.ru>
2540
2541         * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro
2542         if not defined. Change type of second argument to const_rtx.
2543         (default_function_value): Call gcc_unreachable if FUNCTION_VALUE
2544         macro not defined.
2545         * targhooks.h (default_libcall_value): Update prototype.
2546         * target.h (struct gcc_target): Change type of second argument of
2547         libcall_value to const_rtx.
2548         * config/arm/arm.c (arm_libcall_value): Change type of second argument
2549         to const_rtx.
2550         (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx.
2551         * doc/tm.texi (TARGET_LIBCALL_VALUE):  Revise documentation.
2552
2553 2009-10-17  Jakub Jelinek  <jakub@redhat.com>
2554
2555         PR debug/40521
2556         * debug.h (struct gcc_debug_hooks): Add assembly_start hook.
2557         * cgraphunit.c (cgraph_optimize): Call it.
2558         * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
2559         (dwarf2out_assembly_start): ... here.  New hook.
2560         (dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
2561         * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
2562         hook.
2563         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
2564         * sdbout.c (sdb_debug_hooks): Likewise.
2565         * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
2566         (vmsdbgout_assembly_start): New hook.
2567
2568 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
2569
2570         * rtl.h (RTL_LOCATION): Fix typo.
2571
2572 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
2573
2574         * print-rtl.c (print_rtx): Print locators in asm_operands
2575         and asm_input.
2576
2577 2009-10-17  Alexandre Oliva  <aoliva@redhat.com>
2578
2579         PR debug/41535
2580         * sched-deps.c (depl_on_debug_p): New.
2581         (attach_dep_link): Reject debug deps before nondebug deps.
2582         (add_to_deps_list): Insert debug deps after nondebug deps.
2583         (sd_lists_empty_p): Stop at first nonempty list.  Disregard debug
2584         deps.
2585         (sd_add_dep): Do not reject debug deps.
2586         (add_insn_mem_dependence): Don't count debug deps.
2587         (remove_from_deps): Likewise.
2588         (sched_analyze_2): Set up mem deps on debug insns.
2589         (sched_analyze_insn): Record reg uses for deps on debug insns.
2590         * haifa-sched.c (schedule_insn): Reset deferred debug insn.  Don't
2591         try_ready nondebug insn after debug insn.
2592         * ddg.c (create_ddg_dep_from_intra_loop_link,
2593         create_ddg_dep_no_link): Don't reject debug deps.
2594
2595 2009-10-16  Richard Guenther  <rguenther@suse.de>
2596
2597         * lto-symtab.c (merge_incomplete_and_complete_type): Remove.
2598         (maybe_merge_incomplete_and_complete_type): Likewise.
2599         (lto_symtab_merge): Do not call them.  Do not warn for
2600         complete vs. incomplete compatible types.
2601         (lto_symtab_merge_decls_2): Simplify.
2602         * gimple.c (gimple_force_type_merge): Remove.
2603         (gimple_types_compatible_p): Make it static.
2604         * gimple.h (gimple_force_type_merge): Remove.
2605         (gimple_types_compatible_p): Likewise.
2606
2607 2009-10-16  Jakub Jelinek  <jakub@redhat.com>
2608
2609         * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
2610         DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.
2611
2612 2009-10-16  Richard Guenther  <rguenther@suse.de>
2613
2614         PR tree-optimization/41728
2615         * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified
2616         if fold_stmt did anything.
2617
2618 2009-10-16  Richard Guenther  <rguenther@suse.de>
2619
2620         PR lto/41715
2621         * lto-streamer-in.c (lto_input_tree_ref): Revert last change.
2622         (maybe_fixup_handled_component): New function.
2623         (input_gimple_stmt): Fixup mismatched decl replacements.
2624
2625 2009-10-16  Richard Guenther  <rguenther@suse.de>
2626
2627         PR lto/41713
2628         * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
2629         the same as VAR_DECL.
2630
2631 2009-10-16  Richard Guenther  <rguenther@suse.de>
2632
2633         * gimple.c (iterative_hash_gimple_type): For integer types
2634         also hash their minimum and maximum values and the string flag.
2635         For array types hash their domain and the string flag.
2636
2637 2009-10-16  Richard Guenther  <rguenther@suse.de>
2638
2639         * gimple.c (gimple_types_compatible_p): Restrict completing
2640         types to record or unions.  Simplify completion.
2641         Do not merge records or unions with different
2642         TYPE_STRUCTURAL_EQUALITY_P tag.
2643         (iterative_hash_gimple_type): Restrict non-recursing into
2644         pointer targets for records and unions.
2645
2646 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
2647
2648         PR debug/41717
2649         * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
2650         * dwarf2out.c (mem_loc_descriptor): Don't handle
2651         POST_INT/POST_DEC/POST_MODIFY like SUBREG.  For SUBREG
2652         punt if it is not lowpart subreg or if inner mode isn't
2653         MODE_INT.
2654
2655 2009-10-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2656
2657         * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
2658         investigating previous or next insns.
2659
2660 2009-10-16  Eric Botcazou  <ebotcazou@adacore.com>
2661
2662         * tree-sra.c (build_ref_for_offset_1): Update comment.
2663
2664 2009-10-16  Wolfgang Gellerich  <gellerich@de.ibm.com>
2665
2666         * config/s390/s390.md (atype): Added missing values.
2667
2668 2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2669
2670         PR target/41702
2671         * pa.md (casesi): Use sign extended index in call to gen_casesi64p.
2672         (casesi64p): Update pattern to reflect above.
2673
2674 2009-10-15  Steve Ellcey  <sje@cup.hp.com>
2675
2676         PR rtl-optimization/41697
2677         * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
2678
2679 2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2680
2681         PR target/23983
2682         * config/rs6000/predicates.md: Update copyright year.
2683         * config/rs6000/altivec.md: Ditto.
2684
2685         * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
2686         (MD_INCLUDES): Add a2.md.
2687
2688         * config/rs6000/rs6000.c (rs6000_builtin_decls): Change
2689         RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
2690         (builtin_classify): New static vector to classify various builtins
2691         to get the tree attributes correct.
2692         (def_builtin): Set the attributes of builtins based on what the
2693         builtin does (i.e. memory operation, floating point, saturation
2694         need special attributes, others are pure functions).
2695
2696         * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
2697         the builtins.
2698         (enum rs6000_builtins): Include rs6000-builtin.def to define the
2699         builtins.  Change the end marker to MAX_RS6000_BUILTINS from
2700         RS6000_BUILTIN_COUNT.
2701         (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
2702         MAX_RS6000_BUILTINS.
2703
2704         * config/rs6000/rs6000-builtin.def: New file that combines the
2705         builtin enumeration name and attributes.
2706
2707 2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>
2708
2709         * config/i386/linux.h (ASM_SPEC): Add --32.
2710
2711 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
2712
2713         * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type
2714         and DW_TAG_template_alias.
2715         (dwarf_attr_name): Handle DW_AT_main_subprogram,
2716         DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class,
2717         DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by,
2718         DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded,
2719         DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required
2720         and DW_AT_GNU_odr_signature.
2721         (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc,
2722         DW_FORM_flag_present and DW_FORM_ref_sig8.
2723         (output_signature): Only print name on the first byte.
2724         (output_die): Likewise for dw_val_class_data8.
2725
2726 2009-10-15  Alexander Monakov  <amonakov@ispras.ru>
2727
2728         * doc/invoke.texi: Clarify that most optimizations are not enabled
2729         without -O.
2730
2731 2009-10-15  Richard Guenther  <rguenther@suse.de>
2732
2733         PR lto/41668
2734         * gimple.c (compare_type_names_p): Handle anonymous names
2735         differently based on new mode argument.
2736         (gimple_types_compatible_p): For structs also compare the tags.
2737         (iterative_hash_type_name): Rename to ...
2738         (iterative_hash_name): ... this.  Hash all names.
2739         (iterative_hash_gimple_type): Fix hashing the struct tag of
2740         pointer targets.  Hash field decl names.
2741
2742 2009-10-15  Richard Guenther  <rguenther@suse.de>
2743
2744         PR lto/41669
2745         * gimple.c (gimple_get_alias_set): Avoid recursing on
2746         invalid type topology.
2747
2748 2009-10-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2749
2750         * config/spu/spu.c (get_branch_target): Use extract_asm_operands.
2751
2752 2009-10-15  Richard Guenther  <rguenther@suse.de>
2753
2754         * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT.
2755
2756 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
2757
2758         * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
2759         add --with-tune{,-32,-64} configured default for -mtune if explicit
2760         -mcpu is used.
2761
2762 2009-10-14  Daniel Gutson  <dgutson@codesourcery.com>
2763
2764         * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds fixed.
2765
2766 2009-10-14  DJ Delorie  <dj@redhat.com>
2767
2768         * config/h8300/h8300.c (F): New.
2769         (Fpa): New.
2770         (h8300_emit_stack_adjustment): Call them.
2771         (push): Likewise.
2772         (h8300_push_pop): Likewise.
2773         (h8300_expand_prologue): Likewise.
2774         * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
2775         (MUST_USE_SJLJ_EXCEPTIONS): Define.
2776         (INCOMING_RETURN_ADDR_RTX): Define.
2777         (INCOMING_FRAME_SP_OFFSET): Define.
2778         (DWARF_CIE_DATA_ALIGNMENT): Define.
2779
2780 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
2781
2782         * stor-layout.c (place_field): Don't emit -Wpadded warnings for
2783         fields in builtin structs.
2784         (finalize_record_size): Likewise.
2785
2786 2009-10-14  Richard Guenther  <rguenther@suse.de>
2787
2788         * gimple.c (gtc_ob): New global.
2789         (struct type_pair_d): Replace pointers with type UIDs.
2790         (type_pair_hash): Adjust.
2791         (type_pair_eq): Likewise.
2792         (lookup_type_pair): Likewise.  Allocate from an obstack.
2793         (gimple_force_type_merge): Adjust.
2794         (gimple_types_compatible_p): Likewise.
2795         (free_gimple_type_tables): Free the obstack.
2796
2797 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
2798
2799         * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
2800         stmts setting DEBUG_EXPR_DECLs.
2801
2802         * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
2803         Don't crash if mode1 is VOIDmode.
2804
2805 2009-09-26  Vladimir Makarov  <vmakarov@redhat.com>
2806
2807         * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
2808         * params.h (IRA_LOOP_RESERVED_REGS): New.
2809         * tree-pass.h (pass_subregs_of_mode_init,
2810         pass_subregs_of_mode_finish): Remove.
2811         * passes.c (pass_subregs_of_mode_init,
2812         pass_subregs_of_mode_finish): Remove.
2813         (pass_reginfo_init): Move before loop optimizations.
2814         * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
2815         * common.opt (fira-loop-pressure): New.
2816         * toplev.h (flag_ira_loop_pressure): New.
2817         * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New externals.
2818         * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
2819         Make external and void type functions.
2820         (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
2821         pass_subregs_of_mode_finish): Remove.
2822         * ira-costs.c (init_costs): Call init_subregs_of_mode.
2823         * regmove.c: Include ira.h.
2824         (regmove_optimize): Call ira_set_pseudo_classes after IRA based
2825         register pressure calculation in loops.
2826         * loop-invariant.c: Include REGS_H and ira.h.
2827         (struct loop_data): New members max_reg_pressure, regs_ref, and
2828         regs_live.
2829         (struct invariant): New member orig_regno.
2830         (curr_loop): New variable.
2831         (find_exits): Initialize regs_ref and regs_live.
2832         (create_new_invariant): Initialize orig_regno.
2833         (get_cover_class_and_nregs): New.
2834         (get_inv_cost): Make aregs_needed an array.  Use regs_needed as an
2835         array.  Add code for flag_ira_loop_pressure.
2836         (gain_for_invariant): Make new_regs an array.  Add code for
2837         flag_ira_loop_pressure.
2838         (best_gain_for_invariant): Ditto.
2839         (set_move_mark): New parameter gain.  Use it for debugging output.
2840         (find_invariants_to_move): Make regs_needed and new_regs an array.
2841         Add code for flag_ira_loop_pressure.
2842         (move_invariant_reg): Set up orig_regno.
2843         (move_invariants): Set up reg classes for pseudos for
2844         flag_ira_loop_pressure.
2845         (free_loop_data): Clear regs_ref and regs_live.
2846         (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
2847         get_regno_cover_class, change_pressure, mark_regno_live,
2848         mark_regno_death, mark_reg_store, mark_reg_clobber,
2849         mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
2850         (move_loop_invariants): Calculate pressure.  Initialize curr_loop.
2851         * ira.c (ira): Call ira_set_pseudo_classes after IRA based
2852         register pressure calculation in loops if new regs were added.
2853         Call finish_subregs_of_mode.
2854         * opts.c (decode_options): Set up flag_ira_loop_pressure.
2855         * Makefile.in (loop-invariant.o): Add ira.h.
2856         (regmove.o): Ditto.
2857         * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
2858         Describe.
2859         * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
2860
2861 2009-10-14  Richard Guenther  <rguenther@suse.de>
2862
2863         * lto-symtab.c (lto_symtab_compatible): Fold in ...
2864         (lto_symtab_merge): ... here.  Rewrite both to take the
2865         prevailing and a to-be-merged entry and to queue diagnostics properly.
2866         (lto_symtab_resolve_replaceable_p): New predicate for
2867         symbol resolution.
2868         (lto_symtab_resolve_can_prevail_p): Likewise.
2869         (lto_symtab_resolve_symbols): Rewrite.  Fold in code that
2870         handles merging commons by choosing the largest decl.  Fold
2871         in code that gives ODR errors.
2872         (lto_symtab_merge_decls_2): Simplify a lot.  Emit queued
2873         diagnostics here.
2874         (lto_symtab_merge_decls_1): Re-structure.  Deal with the
2875         case of no prevailing decl here.  Diagnose mismatches
2876         in object types here.  Drop all but the prevailing decls.
2877         (lto_symtab_prevailing_decl): Return the single prevailing decl.
2878         * lto-streamer-in.c (lto_input_tree_ref): Deal with
2879         VIEW_CONVERT_EXPRs in decl slots.  Unshare the tree in this case.
2880
2881 2009-10-14  Richard Guenther  <rguenther@suse.de>
2882
2883         PR lto/41521
2884         * lto-streamer-in.c (input_bb): Replace debug stmts with
2885         nops instead of dropping them.
2886
2887 2009-10-14  Nick Clifton  <nickc@redhat.com>
2888
2889         * gcc/doc/extended.texi: Replace the dash character with @minus{}
2890         in situations where it is being used as a minus symbol.
2891         * gcc/doc/tm.texi: Likewise.
2892         * gcc/doc/md.texi: Likewise.
2893
2894 2009-10-14  Jakub Jelinek  <jakub@redhat.com>
2895
2896         PR preprocessor/41543
2897         * input.h (BUILTINS_LOCATION): Change to 1 from 2.
2898         Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
2899         * tree.c: Include intl.h.
2900         (expand_location): Handle BUILTINS_LOCATION.
2901         * Makefile.in (tree.o): Depend on intl.h.
2902
2903         PR debug/41695
2904         * dwarf2out.c (dwarf2out_var_location): Always clear
2905         last_postcall_label when changing last_label.
2906
2907 2009-10-14  Pascal Obry  <obry@adacore.com>
2908
2909         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
2910         (process_command): Handle -E as done with -c and -S.  Do not add
2911         the target executable suffix to the output file when -E is used.
2912         (main): Adjust error message accordingly.
2913
2914 2009-10-14  Alexandre Oliva  <aoliva@redhat.com>
2915
2916         PR debug/41343
2917         PR debug/41447
2918         PR debug/41264
2919         PR debug/41338
2920         * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
2921         decl with rtl.
2922         (tree_code_size): Likewise.
2923
2924 2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2925
2926         * builtins.c (fold_builtin_1): Support complex "arc" functions.
2927         * real.h (HAVE_mpc_arc): Define.
2928
2929 2009-10-14  Kaz Kojima  <kkojima@gcc.gnu.org>
2930
2931         * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
2932         (struct builtin_description): Add fndecl field.
2933         (bdesc): Remove const qualifier.  Update initializer.
2934         (sh_media_init_builtins): Remove const qualifier for d.  Record
2935         the result of add_builtin_function to the fndecl field.
2936         (sh_builtin_decl): New.
2937         (sh_media_builtin_decl): New.
2938
2939 2009-10-14  Hans-Peter Nilsson  <hp@axis.com>
2940
2941         PR target/38948
2942         * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
2943         requests between special registers.
2944
2945 2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>
2946
2947         * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.
2948
2949 2009-10-13  Richard Henderson  <rth@redhat.com>
2950
2951         PR tree-optimization/41377
2952         * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
2953         (cleanup_empty_eh_merge_phis): New change_region parameter;
2954         pass it on to redirect_eh_edge_1.  Update callers.
2955         (cleanup_empty_eh_unsplit): Don't require an existing EH label
2956         at the destination block.
2957
2958 2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>
2959
2960         * passes.c (register_pass): Replaced gcc_unreachable by
2961         fatal_error on failure. Mentions plugins in comments & messages.
2962
2963 2009-10-13  Jakub Jelinek  <jakub@redhat.com>
2964
2965         PR target/41693
2966         * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
2967         * sched-vis.c (print_value): Use it.
2968         * cselib.c (cselib_hash_rtx): Likewise.
2969         * print-rtl.c (print_rtx): Likewise.
2970         * cfgexpand.c (expand_debug_rtx): Likewise.
2971         * var-tracking.c (vt_expand_loc_callback): Likewise.
2972
2973 2009-10-13  Richard Guenther  <rguenther@suse.de>
2974
2975         PR lto/41565
2976         * opts.c (handle_option): Split out code to handle setting
2977         the options flag var ...
2978         (set_option): ... here.
2979         * opts.h (set_option): Declare.
2980         * lto-opts.c (register_user_option_p): Include -fexceptions
2981         and all position independent code variants.
2982         (handle_common_option): Remove.
2983         (lto_reissue_options): Use set_option.
2984
2985 2009-10-13  Martin Jambor  <mjambor@suse.cz>
2986
2987         PR tree-optimization/41661
2988         * ipa-prop.c (compute_complex_pass_through): Allow only operations
2989         that are tcc_comparisons or do not change the type in any
2990         un-usleless way.
2991         * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
2992         folding tcc_comparison operations.
2993
2994 2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2995
2996         * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
2997         properly.
2998
2999 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
3000
3001         PR debug/41343
3002         PR debug/41447
3003         PR debug/41264
3004         PR debug/41338
3005         * tree.def (DEBUG_EXPR_DECL): New.
3006         * rtl.def (DEBUG_EXPR): New.
3007         * gengtype.c (adjust_field_rtx_def): Handle it.
3008         * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
3009         (insert_debug_temp_for_var_def): ... this.  Drop support for
3010         moving.  Take iterator for def stmt; insert debug stmt before it.
3011         Scan early for use count and kind in debug stmts.
3012         (propagate_defs_into_debug_stmts): Rename to...
3013         (insert_debug_temps_for_defs): ... this.  Likewise.
3014         * tree.h (DEBUG_TEMP_UID): New.
3015         * tree.c (next_debug_decl_uid): New.
3016         (make_node_stat): Count debug decls separately.
3017         (copy_node_stat): Likewise.
3018         * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
3019         * var-tracking.c (dv_is_decl_p): Recognize it.
3020         (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
3021         (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
3022         (vt_expand_loc_callback): Expand DEBUG_EXPRs.
3023         (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
3024         * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
3025         (cselib_hash_rtx): Likewise.
3026         (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
3027         * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
3028         debug bind stmts.
3029         * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
3030         (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
3031         * rtl.c (copy_rtx): Likewise.
3032         (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
3033         * print-rtl.c (print_rtx): Likewise.
3034         * sched-vis.c (print_value): Likewise.
3035         (print_insn): Handle DEBUG_EXPR_DECL.
3036         * tree-dump.c (dequeue_and_dump): Likewise.
3037         * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
3038         * gimple-iterator (gsi_replace): Check for same lhs.
3039         (gsi_remove): Insert debug temps.
3040         * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
3041         (move_computations_stmt): Drop explicit propagation into debug stmts.
3042         (rewrite_bittest): Likewise.  Use gsi_remove for propagation.
3043         * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
3044         * tree-ssa-sink.c (statement_sink_location): Likewise.
3045         * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
3046         * tree-ssanames.c (release_ssa_name): Adjust for rename.
3047         * tree-flow.h: Likewise.
3048         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
3049         debug temps without values.
3050         (eliminate_unnecessary_stmts): Don't discard just-inserted
3051         debug stmts.
3052
3053 2009-10-12  Hans-Peter Nilsson  <hp@axis.com>
3054
3055         PR target/26515
3056         * config/cris/cris.md (andu): Check that operand 1 is one of the
3057         general registers.  Fix typo in head comment.
3058
3059 2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>
3060
3061         * config/i386/i386.md (vswapmov): New.
3062         * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
3063         (ix86_function_ms_hook_prologue): New.
3064         (ix86_expand_prologue): Handle ms_hook_prologue attribute.
3065         * configure.ac: Test for swap suffix support in as.
3066         * configure: Rebuild.
3067
3068 2009-10-12  Jakub Jelinek  <jakub@redhat.com>
3069
3070         PR target/41680
3071         * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
3072         paradoxical subregs to prevent partial register stalls if the inner
3073         mode is integer mode.
3074
3075 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
3076
3077         * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.
3078
3079 2009-10-12  Dodji Seketeli  <dodji@redhat.com>
3080
3081         PR c++/41570
3082         * gcc/dwarf2out.c (template_parameter_pack_die,
3083         gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
3084
3085 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
3086
3087         PR debug/41616
3088         * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
3089         on updates too.
3090         (maybe_register_def): Likewise.  Take stmt iterator.
3091         (rewrite_update_stmt): Take stmt iterator and pass it on.
3092         (rewrite_update_enter_block): Pass stmt iterator.
3093
3094 2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3095
3096         * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
3097         (spu_builtin_decl): New function.
3098
3099 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
3100
3101         * config/i386/i386.md (SWIM): New mode iterator.
3102         (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
3103         using SWIM mode iterator.
3104         (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
3105         patterns using SWI48 mode iterator.
3106         (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
3107         *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
3108         (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
3109         (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
3110         patterns using SWI248 mode iterator.
3111         * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
3112         gen_x86_movdicc_0_m1_rex64 for renamed function
3113
3114 2009-10-11  Jose Ruiz  <ruiz@adacore.com>
3115             Eric Botcazou  <ebotcazou@adacore.com>
3116
3117         PR target/33743
3118         * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
3119         * config/sparc/sol2-unwind.h: New file.
3120
3121 2009-10-11  Olivier Hainque  <hainque@adacore.com>
3122             Eric Botcazou  <ebotcazou@adacore.com>
3123
3124         PR target/33743
3125         * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
3126         * config/i386/sol2-unwind.h: New file.
3127
3128 2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>
3129
3130         PR target/41665
3131         * config/i386/i386.md (addsi_1_zext): Get the proper second
3132         operand for lea.
3133
3134 2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>
3135
3136         * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
3137         all OLD_RTXes, not just REGs.  Use copy_rtx to create the
3138         replacement value.
3139
3140 2009-10-11  Richard Guenther  <rguenther@suse.de>
3141
3142         * gimple.c (iterative_hash_type_name): Do not handle special
3143         anonymous names.
3144
3145 2009-10-11  Uros Bizjak  <ubizjak@gmail.com>
3146
3147         * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
3148         (*setcc_si_1_and): Ditto.
3149         (*setcc_si_1_movzbl): Ditto.
3150         (*setcc_<mode>_2): Ditto.
3151         (*setcc_qi): Rename from *setcc_1.
3152         (*setcc_qi_slp): Rename from *setcc_2.
3153
3154         (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
3155         (*zero_extendqisi2_movzbw_and splitter): Ditto.
3156
3157         * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
3158         "if" condition, there is already assert with reload_completed present.
3159
3160 2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>
3161
3162         * plugin.c (try_init_one_plugin): Improve constness of variable err.
3163
3164 2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>
3165
3166         * doc/install.texi (Final install): Refer to
3167         http://gcc.gnu.org/bugs/ for bug reporting.
3168
3169 2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>
3170
3171         * configure.ac: Add test for dci instruction.
3172         * configure: Regenerate.
3173         * config.in: Likewise.
3174         * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
3175         * doc/invoke.texi: Add cpu_type 476 and 476fp.
3176         (-mmulhw): Add 476 to description.
3177         (-mdlmzb): Likewise.
3178         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
3179         * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
3180         (processor_target_table): Add 476 and 476fp entries.
3181         (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
3182         (rs6000_issue_rate): Add CPU_PPC476.
3183         * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
3184         (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
3185         (processor_type): Add PROCESSOR_PPC476.
3186         (EXTRA_SPECS): Add asm_cpu_476 string.
3187         * config/rs6000/rs6000.md (define_attr "type"): Add isel attribute.
3188         (define_attr "cpu"): Add ppc476.
3189         Include 476.md.
3190         Update comments for 476.
3191         (isel_signed, isel_unsigned): Change to use "isel" type attribute.
3192         * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
3193         Update copyright year.
3194         * config/rs6000/476.md: New file.
3195         * config/rs6000/40x.md: Add description for "isel" attribute.
3196         Update copyright year.
3197         * config/rs6000/440.md: Likewise.
3198         * config/rs6000/603.md: Likewise.
3199         * config/rs6000/6xx.md: Likewise.
3200         * config/rs6000/7450.md: Likewise.
3201         * config/rs6000/7xx.md: Likewise.
3202         * config/rs6000/8540.md: Likewise.
3203         * config/rs6000/cell.md: Likewise.
3204         * config/rs6000/e300c2c3.md: Likewise.
3205         * config/rs6000/e500mc.md: Likewise.
3206         * config/rs6000/mpc.md: Likewise.
3207         * config/rs6000/power4.md: Likewise.
3208         * config/rs6000/power5.md: Likewise.
3209         * config/rs6000/power6.md: Likewise.
3210         * config/rs6000/power7.md: Likewise.
3211         * config/rs6000/rios1.md: Likewise.
3212         * config/rs6000/rios2.md: Likewise.
3213         * config/rs6000/rs64.md: Likewise.
3214
3215 2009-10-10  Richard Guenther  <rguenther@suse.de>
3216
3217         PR tree-optimization/41654
3218         * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
3219         a cond expr before calling gimple_cond_set_condition_from_tree.
3220         (ifcombine_iforif): Likewise.
3221
3222 2009-10-09  Ian Lance Taylor  <iant@google.com>
3223
3224         * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
3225         * configure: Rebuild.
3226
3227 2009-10-09  Neil Vachharajani <nvachhar@google.com>
3228
3229         * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
3230         deprecated.
3231
3232 2009-10-09  Richard Guenther  <rguenther@suse.de>
3233
3234         PR lto/41638
3235         * target-def.h (TARGET_BUILTIN_DECL): Define.
3236         (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
3237         * target.h (struct gcc_target): Add builtin_decl target hook.
3238         * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
3239         * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
3240         target builtins.
3241         * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
3242         not gcc_unreachable.
3243         (lto_output_builtin_tree): Sorry if the target does not support
3244         streaming target builtins.
3245         * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
3246         (rs6000_builtin_decl): New function.
3247         * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
3248         (ix86_builtin_decl): New function.
3249
3250 2009-10-09  Jakub Jelinek  <jakub@redhat.com>
3251
3252         PR preprocessor/41445
3253         * c-ppoutput.c (do_line_change): New function.
3254         (cb_line_change): Use it.
3255         (scan_translation_unit): Call do_line_change if
3256         avoid_paste or PREV_WHITE and token location is on a different line
3257         than print.src_line.
3258
3259         PR debug/40521
3260         * dwarf2out.c (dwarf2out_init): Test whether
3261         HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
3262         it is defined.
3263
3264         PR rtl-optimization/41646
3265         * calls.c (expand_call): For BLKmode types returned in registers
3266         avoid likely spilled hard regs in copy_blkmode_from_reg generated
3267         insns.
3268
3269 2009-10-09  Richard Guenther  <rguenther@suse.de>
3270
3271         PR tree-optimization/41634
3272         * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
3273         we remove the correct elements.
3274         (optimize_stmt): Make sure to update stmt operands before
3275         optimizing redundancies.
3276
3277 2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3278
3279         * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
3280
3281 2009-10-09  Richard Guenther  <rguenther@suse.de>
3282
3283         PR driver/41637
3284         * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
3285         globals.
3286         (lto_wrapper_exit): New function.
3287         (fatal): Use it.
3288         (fatal_perror): Likewise.
3289         (fork_execute): Use global args_name, do not free it.
3290         (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
3291         * lto-streamer.h: Remove duplicate prototypes.
3292
3293 2009-10-09  Richard Guenther  <rguenther@suse.de>
3294
3295         * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
3296         before calling stmt_can_throw_external.
3297
3298 2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>
3299
3300         PR tree-optimization/40071
3301         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
3302         pointer if the original data reference doesn't conflict with the
3303         created vector data reference.  Fix long line.
3304
3305 2009-10-09  Uros Bizjak  <ubizjak@gmail.com>
3306
3307         * config/i386/i386.md (any_div): New code iterator.
3308         (u): Handle div and udiv.
3309         (sgnprefix): Ditto.
3310         (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
3311         code iterator.
3312         (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
3313         lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
3314         (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
3315         lceil<mode>{si,di}2 patterns using SWI48 mode iterator.
3316
3317 2009-10-08  Joseph Myers  <joseph@codesourcery.com>
3318
3319         * gcc.c (main): Remove trailing "." from diagnostics.
3320
3321 2009-10-08  Cary Coutant  <ccoutant@google.com>
3322
3323         Add support for debugging with ICF (Identical Code Folding).
3324         * calls.c (debug.h): New #include.
3325         (emit_call_1): Call virtual_call_token debug hook.
3326         * common.opt (-fenable-icf-debug): New option.
3327         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
3328         locations in the source).
3329         (poc_label_num): New variable.
3330         (dcall_entry, vcall_entry): New typedefs.
3331         (dcall_table, vcall_table): New variables.
3332         (struct vcall_insn): New type.
3333         (vcall_insn_table): New variable.
3334         (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
3335         (size_of_dcall_table): New function.
3336         (output_dcall_table): New function.
3337         (size_of_vcall_table): New function.
3338         (output_vcall_table): New function.
3339         (dwarf2out_direct_call): New function.
3340         (vcall_insn_table_hash): New function.
3341         (vcall_insn_table_eq): New function.
3342         (dwarf2out_virtual_call_token): New function.
3343         (dwarf2out_virtual_call): New function.
3344         (dwarf2out_init): Allocate new tables and sections.
3345         (prune_unused_types): Mark DIEs referenced from direct call table.
3346         (dwarf2out_finish): Output direct and virtual call tables.
3347         * final.c (final_scan_insn): Call direct_call and virtual_call
3348         debug hooks.
3349         * debug.h (struct gcc_debug_hooks): Add direct_call,
3350         virtual_call_token, virtual_call hooks.
3351         (debug_nothing_uid): New function.
3352         * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
3353         (debug_nothing_uid): New function.
3354         * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
3355         (xcoff_debug_hooks): Likewise.
3356         * sdbout.c (sdb_debug_hooks): Likewise.
3357         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3358         * doc/invoke.texi (-fenable-icf-debug): New option.
3359
3360 2009-10-08  Alexandre Oliva  <aoliva@redhat.com>
3361
3362         PR debug/41353
3363         * regmove.c (regmove_backward_pass): Replace src with dst in the
3364         debug insn, and check for dst before rather than after.
3365
3366 2009-10-08  Janis Johnson <janis187@us.ibm.com>
3367
3368         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
3369         (TARGET_DELEGITIMIZE_ADDRESS): Likewise.
3370
3371 2009-10-08  Jan Hubicka  <jh@suse.cz>
3372
3373         PR middle-end/41626
3374         * cgraphbuild.c (record_reference): When parameter DATA is NULL,
3375         do not mark cgraph nodes as needed.
3376         (record_references_in_initializer): Add new only_vars parameter.
3377         * cgraph.h (record_references_in_initializer): New parameter.
3378         * varasm.c (assemble_variable): Update call.
3379         * varpool.c (varpool_analyze_pending_decls): Always look for
3380         referenced vars.
3381
3382 2009-10-08  Anatoly Sokolov  <aesok@post.ru>
3383
3384         * config/avr/avr.c (last_insn_address) Remove variable.
3385         (expand_prologue): Don't initialise last_insn_address variable.
3386         (final_prescan_insn): Don't output insn size.
3387         * config/avr/avr.opt (msize): Remove switch.
3388         * doc/invoke.texi (AVR Options): Remove documentation of -msize
3389         switch.
3390
3391 2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>
3392
3393         * combine.c (label_tick_ebb_start): Fix comment.
3394         (combine_instructions): Set label_tick and label_tick_ebb_start before
3395         calling setup_incoming_promotions.  Start them from 1.  Increment
3396         label_tick instead of deriving it from the BB index.  Rather than
3397         comparing ticks use the block from the previous iteration to decide
3398         whether to start a new EBB.  Remove empty lines before function.
3399
3400 2009-10-08  Michael Matz  <matz@suse.de>
3401
3402         PR middle-end/41573
3403         * builtins.c (fold_builtin_isascii): Use fold_build2.
3404         (fold_builtin_isdigit): Ditto.
3405         * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
3406         * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
3407         remove_useless_stmts_cond, remove_useless_stmts_tf,
3408         remove_useless_stmts_tc, remove_useless_stmts_bind,
3409         remove_useless_stmts_goto, remove_useless_stmts_label,
3410         remove_useless_stmts_1, remove_useless_stmts,
3411         pass_remove_useless_stmts): Remove.
3412         * tree-pass.h (pass_remove_useless_stmts): Don't declare.
3413         * passes.c (init_optimization_passes): Don't add
3414         pass_remove_useless_stmts.
3415         * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
3416         * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
3417         static constants.
3418         * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
3419         for static constants.
3420         * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
3421         * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.
3422
3423 2009-10-08  Richard Guenther  <rguenther@suse.de>
3424
3425         * gimple.c (free_gimple_type_tables): New function.
3426         * gimple.h (free_gimple_type_tables): Declare.
3427
3428 2009-10-07  Mark Heffernan  <meheff@google.com>
3429
3430         * ipa-prop.c (ipa_print_node_params) Only print
3431         names of named arguments.
3432
3433 2009-10-08  Rafael Avila de Espindola  <espindola@google.com>
3434
3435         * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
3436         being statically linked.
3437
3438 2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3439
3440         * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.
3441
3442 2009-10-08  Jan Hubicka  <jh@suse.cz>
3443
3444         PR bootstrap/41620
3445         * ipa.c (cgraph_externally_visible_p,
3446         function_and_variable_visibility,
3447         whole_program_function_and_variable_visibility): Skip non-finalized
3448         nodes.
3449
3450 2009-10-08  Nick Clifton  <nickc@redhat.com>
3451
3452         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
3453         CONST_DOUBLEs.
3454
3455 2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>
3456
3457         PR bootstrap/37739
3458         * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.
3459
3460 2009-10-07  Joseph Myers  <joseph@codesourcery.com>
3461
3462         PR c/41182
3463         * c-common.c (c_fully_fold_internal): Strip nops from the result
3464         of recursive calls to c_fully_fold_internal.
3465         (c_wrap_maybe_const): New.
3466         (c_save_expr): Use c_wrap_maybe_const.
3467         * c-common.h (c_wrap_maybe_const): Declare.
3468         * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
3469         build_binary_op): Use c_wrap_maybe_const.
3470
3471 2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3472
3473         * real.c: Fix comment to reflect actual exponent size.
3474
3475 2009-10-08  Ben Elliston  <bje@au.ibm.com>
3476
3477         * config/rs6000/a2.md: Add FSF comment header.
3478
3479 2009-10-07  Uros Bizjak  <ubizjak@gmail.com>
3480
3481         * config/i386/i386.md (any_extend): New code iterator.
3482         (u, s): New code attributes.
3483         (sgnprefix): Ditto.
3484         (DWIH): Rewrite as code iterator for SI and DI modes.
3485         (DWI): Rewrite as mode attribute.
3486         (dwi): New mode attribute.
3487         (di): Depend on SI mode and DI mode.
3488         (doubleint_general_operand): Remove mode attribute.
3489
3490         (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
3491         DWIH mode iterator.
3492
3493         (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
3494         (*sub<mode>3_doubleword): Ditto.
3495
3496         (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
3497         using SWIM248 mode iterator.
3498         (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
3499         using SWI48 mode iterator.
3500         (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
3501         patterns using DWIH mode iterator and any_extend code iterator.
3502         (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
3503         using any_extend code iterator.
3504         (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
3505         patterns using DWIH mode iterator and any_extend code iterator.
3506         (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
3507         using any_extend code iterator.
3508         (<s>mul<mode>3_highpart): Macroize expander from
3509         {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
3510         and any_extend code iterator.
3511         (*<s>muldi3_highpart_1): Macroize insn from
3512         *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
3513         (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
3514         patterns using any_extend code iterator.
3515         (*<s>mulsi3_highpart_zext): Macroize insn from
3516         *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.
3517
3518 2009-10-07  Jakub Jelinek  <jakub@redhat.com>
3519
3520         * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
3521         DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
3522         refering to a DIE with DW_AT_const_value.
3523
3524 2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>
3525
3526         PR middle-end/22072
3527         * ira-lives.c (check_and_make_def_conflict): Process all operands.
3528
3529 2009-10-06  Jan Hubicka  <jh@suse.cz>
3530
3531         * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
3532         correctly.
3533
3534 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
3535
3536         * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
3537         *lea_2_rex64): Move before *add<mode>_1 pattern.
3538
3539 2009-10-07  Jan Hubicka  <jh@suse.cz>
3540
3541         * collect2.c (main): Add -fno-whole-program.
3542         * gcc.c (set_collect_gcc_options): Do not remove whole program here.
3543
3544 2009-10-07  Jan Hubicka  <jh@suse.cz>
3545
3546         * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
3547         has no address taken.
3548         * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
3549         never needed.
3550         (cgraph_clone_node): Clear externally_visible flag for clones.
3551         * cgraph.h (cgraph_only_called_directly_p,
3552         cgraph_can_remove_if_no_direct_calls_p): New predicates.
3553         * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
3554         * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
3555         (ipcp_initialize_node_lattices, ipcp_estimate_growth,
3556         ipcp_insert_stage): Likwise.
3557         * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
3558         externally_visible flag.
3559         (verify_cgraph_node): Verify that inline clones look right.
3560         (process_function_and_variable_attributes): Do not set
3561         externally_visible flags.
3562         (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
3563         been already run.
3564         * lto-cgraph.c (lto_output_node): Assert that inline clones are not
3565         boundaries.
3566         * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
3567         clear externally_visible when turning into inline clones
3568         (cgraph_mark_inline_edge): Use new predicates.
3569         (cgraph_estimate_growth): Likewise.
3570         (cgraph_decide_inlining): Likewise.
3571         * ipa.c (cgraph_postorder): Likewise.
3572         (cgraph_remove_unreachable_nodes): Likewise; sanity check
3573         that inline clones are not needed.
3574         (cgraph_externally_visible_p): New predicate.
3575         (function_and_variable_visibility): Add whole_program parameter;
3576         always set externally_visible flag; handle COMDAT function
3577         privatization.
3578         (local_function_and_variable_visibility): New function.
3579         (gate_whole_program_function_and_variable_visibility): New function.
3580         (whole_program_function_and_variable_visibility): New function.
3581         (pass_ipa_whole_program_visibility): New function.
3582         * passes.c  (init_optimization_passes): Add whole program visibility
3583         pass.
3584         (do_per_function_toporder, function_called_by_processed_nodes_p): Do
3585         not care about needed/reachable flags.
3586         * varpool.c: Include flags.h
3587         (decide_is_variable_needed): When doing LTO assume whole-program mode.
3588         (varpool_finalize_decl): When we are in LTO read-back, all variables
3589         are analyzed.
3590         (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
3591
3592 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3593
3594         * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
3595         add MASK_HARD_DFP.
3596
3597 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3598
3599         * config.gcc: Don't include the makefile fragments intended for
3600         libgcc.
3601         * config/s390/fixdfdi.h: File removed.
3602         * config/s390/libgcc-glibc.ver: File removed.
3603         * config/s390/s390.h: Remove the fixdfdi.h hack.
3604         * config/s390/t-crtstuff: File moved to libgcc dir.
3605         * config/s390/t-linux: Likewise.
3606         * config/s390/t-tpf: libgcc specific parts removed.
3607         * config/s390/t-linux64: Likewise.
3608
3609 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
3610
3611         * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
3612         (lto-compress.o): Likewise.
3613
3614 2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>
3615
3616         PR target/41512
3617         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
3618         dllexport to class members here.
3619         (i386_pe_determine_dllimport_p): Only check static class data for
3620         definition.
3621         (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
3622         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
3623         functions for vague linkage.
3624         (i386_pe_type_dllexport_p): Fix formatting.
3625         (maybe_add_dllexport) New function.
3626         (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
3627         to class members.
3628
3629 2009-10-07  Ben Elliston  <bje@au.ibm.com>
3630
3631         * config/rs6000/a2.md: Remove duplicated lines.
3632
3633 2009-10-07  Ben Elliston  <bje@au.ibm.com>
3634
3635         * config.gcc (powerpc*-*-*): Handle a2.
3636         * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
3637         * config/rs6000/a2.md: New file.
3638         * config/rs6000/rs6000.opt (mno-update): New.
3639         (mupdate): Return to using a mask, not a var.
3640         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
3641         (enum processor_type): Add PROCESSOR_PPCA2.
3642         * config/rs6000/rs6000.c (ppca2_cost): New costs.
3643         (rs6000_override_options): Add "a2" to processor_target_table.
3644         Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
3645         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.
3646
3647 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
3648
3649         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3650         Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
3651         reference to nonexistent gen_truncxfxf2 function.
3652
3653 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
3654
3655         * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
3656         (DWIH, g, di, doubleint_general_operand): New mode attributes.
3657         (general_operand): Handle TI mode.
3658         (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
3659         using SDWIM mode iterator.
3660         (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
3661         pattern from *add{di,ti}3_1 patterns and corresponding splitters
3662         using DWI mode iterator.
3663         (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
3664         patterns using SWI mode iterator.
3665         (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
3666         using SWI48 mode iterator.
3667         (*add<mode>_1): Ditto from add{si,di}_1 patterns.
3668         (*add<mode>_2): Ditto from add{si,di}_2 patterns.
3669         (*add<mode>_3): Ditto from add{si,di}_3 patterns.
3670         (*add<mode>_5): Ditto from add{si,di}_5 patterns.
3671         (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
3672         using SDWIM mode iterator.
3673         (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
3674         pattern from *sub{di,ti}3_1 patterns and corresponding splitters
3675         using DWI mode iterator.
3676         (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
3677         patterns using SWI mode iterator.
3678         (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
3679         (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
3680         (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
3681         (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
3682         patterns using plusminus code iterator.
3683         (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
3684         sub<mode>3 patterns using plusminus code iterator.
3685         * config/i386/i386.c (override_options): Update the call to
3686         gen_subdi_carry_rex64 for renamed function.
3687         (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
3688         and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
3689         calls to instruction expanders.
3690
3691 2009-10-06  Martin Jambor  <mjambor@suse.cz>
3692
3693         PR bootstrap/41395
3694         * opts.c (decode_options): Run IPA-SRA at -O2.
3695
3696 2009-10-06  Richard Guenther  <rguenther@suse.de>
3697
3698         * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.
3699
3700 2009-10-06  Tobias Burnus  <burnus@net-b.de>
3701
3702         PR lto/41591
3703         * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
3704         -flto and -fwhole-program flags can be combined.
3705
3706 2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>
3707
3708         PR driver/41217
3709         * gcc.c (process_command): Check that -o argument was specified.
3710
3711 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
3712
3713         * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.
3714
3715 2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3716
3717         * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
3718         * doc/invoke.texi (Warning Options): Annotate allowed languages
3719         for -Wunsuffixed-float-constants.
3720
3721 2009-10-05  Jakub Jelinek  <jakub@redhat.com>
3722
3723         * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
3724         DW_TAG_{const,volatile}_type if its DW_AT_type already has the
3725         same name and isn't the main variant.
3726
3727         PR debug/41558
3728         * dwarf2out.c (loc_by_reference): Removed.
3729         (dw_loc_list_1): New function.
3730         (dw_loc_list): Remove toplev argument, add want_address argument.
3731         Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
3732         (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
3733         want_address == 2 to dw_loc_list.  For successful dw_loc_list
3734         set have_address to 1 only if want_address is not 0.
3735
3736 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
3737
3738         * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
3739         * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
3740         a code block followed by two pointers.
3741         (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
3742         * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
3743         (MIPS_MOVE): Likewise.
3744         (MIPS_LUI): Likewise.
3745         (MIPS_JR): Likewise.
3746         (MIPS_BAL): Likewise.
3747         (MIPS_NOP): Likewise.
3748         (mips_asm_trampoline_template): Delete.
3749         (mips_trampoline_code_size): New function.
3750         (mips_trampoline_init): Add shorter sequences for all cases
3751         except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
3752         Calculate the opcodes directly, rather than copying from a template.
3753         Only flush the code part of the trampoline.
3754         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
3755
3756 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
3757
3758         * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
3759         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
3760         (INCOMING_RETURN_ADDR_RTX): Likewise.
3761         (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
3762         with AT_REGNUM.
3763         * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
3764         with RETURN_ADDR_REGNUM.
3765         (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
3766         * config/mips/mips.c (mips16_build_call_stub): Replace
3767         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
3768         with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
3769         (mips_print_operand_punctuation): Likewise.
3770         (mips_frame_set): Likewise.
3771         (mips16e_output_save_restore): Likewise.
3772         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
3773         (mips_save_reg_p): Likewise.
3774         (mips_return_addr): Likewise.
3775         (mips_set_return_address): Likewise.
3776         (mips_direct_save_slot_move_p): Likewise.
3777         (mips_output_function_prologue): Likewise.
3778         (mips_restore_reg): Likewise.
3779         (mips_expand_epilogue): Likewise.
3780         (mips_epilogue_uses): Likewise.
3781         * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
3782         (*mov<mode>_ra): Use it instead of a hard-coded 31.
3783         (clear_hazard_<mode>): Likewise.
3784         (call_internal): Likewise.
3785         (call_internal_direct): Likewise.
3786         (call_direct_split): Likewise.
3787         (call_value_internal): Likewise.
3788         (call_value_split): Likewise.
3789         (call_value_internal_direct): Likewise.
3790         (call_value_direct_split): Likewise.
3791         (call_value_multiple_internal): Likewise.
3792         (call_value_multiple_split): Likewise.
3793
3794 2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
3795             Jakub Jelinek  <jakub@redhat.com>
3796
3797         PR rtl-optimization/41511
3798         * combine.c (record_value_for_reg): Pass explicit values as argument
3799         to get_last_value_validate.
3800         (get_last_value_validate): Document INSN parameter.
3801         For non-readonly MEMs, assume they might have been modified if INSN
3802         was in another basic block.
3803         (get_last_value): Minor reformatting.
3804
3805 2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3806
3807         PR tree-opt/40992
3808         * final.c (asm_str_count): Split out from asm_insn_count.
3809         * rtl.h (asm_str_count): New prototype.
3810         * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
3811         asm_str_count.
3812
3813 2009-10-05  Sriraman Tallam  <tmsriram@google.com>
3814
3815         * doc/plugins.texi: Change plugin_pass to register_pass_info.
3816
3817 2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
3818             Rafael Espindola  <espindola@google.com>
3819
3820         * gengtype.c (write_types): Moved call to write_func_for_structure
3821         into seperate loops.
3822
3823 2009-10-05  Richard Guenther  <rguenther@suse.de>
3824
3825         PR lto/41281
3826         * lto-cgraph.c (output_cgraph): Output toplevel asms.
3827         (input_cgraph_1): Input toplevel asms.
3828
3829 2009-10-05  Richard Guenther  <rguenther@suse.de>
3830
3831         PR lto/40902
3832         * lto-symtab.c (lto_compatible_attributes_p): Remove.
3833         (external_aggregate_decl_p): Likewise.
3834         (lto_symtab_compatible): Re-structure.  Remove dead code.
3835         For variables ignore toplevel qualifiers when comparing types.
3836         Issue warnings, not errors for mismatched user-alignment.
3837
3838 2009-10-05  Richard Guenther  <rguenther@suse.de>
3839
3840         PR lto/41552
3841         PR lto/41487
3842         * lto-symtab.c (struct lto_symtab_base_def): Remove.
3843         (struct lto_symtab_identifier_def): Likewise.
3844         (struct lto_symtab_decl_def): Likewise.
3845         (struct lto_symtab_entry_def): New.
3846         (lto_symtab_identifier_t): Rename to ...
3847         (lto_symtab_entry_t): ... this.
3848         (lto_symtab_decls): Remove.
3849         (lto_symtab_base_hash): Rename to ...
3850         (lto_symtab_entry_hash): ... this.
3851         (lto_symtab_base_eq): Rename to ...
3852         (lto_symtab_entry_eq): ... this.
3853         (lto_symtab_base_marked_p): Rename to ...
3854         (lto_symtab_entry_marked_p): ... this.
3855         (lto_symtab_identifier_marked_p): Remove.
3856         (lto_symtab_decl_marked_p): Likewise.
3857         (lto_symtab_maybe_init_hash_tables): Rename to ...
3858         (lto_symtab_maybe_init_hash_table): ... this.
3859         (lto_symtab_set_resolution_and_file_data): Remove.
3860         (lto_symtab_register_decl): New function.
3861         (lto_symtab_get_identifier): Remove.
3862         (lto_symtab_get): New function.
3863         (lto_symtab_get_resolution): Adjust.
3864         (lto_symtab_get_identifier_decl): Remove.
3865         (lto_symtab_set_identifier_decl): Likewise.
3866         (lto_symtab_merge_decl): Rename to ...
3867         (lto_symtab_merge): ... this.  Rewrite.
3868         (lto_symtab_merge_var): Remove.
3869         (lto_symtab_merge_fn): Likewise.
3870         (lto_symtab_prevailing_decl): Adjust.
3871         (lto_cgraph_replace_node): New function.
3872         (lto_symtab_merge_decls_2): Likewise.
3873         (lto_symtab_merge_decls_1): Likewise.
3874         (lto_symtab_fixup_var_decls): Likewise.
3875         (lto_symtab_resolve_symbols): Likewise.
3876         (lto_symtab_merge_decls): Likewise.
3877         (lto_symtab_prevailing_decl): Adjust.
3878         (lto_symtab_get_symtab_def): Remove.
3879         (lto_symtab_get_file_data): Likewise.
3880         (lto_symtab_clear_resolution): Adjust.
3881         (lto_symtab_clear_resolution): Likewise.
3882         * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
3883         (input_cgraph_1): Likewise.
3884         * lto-streamer-in.c (get_resolution): Do not provide fake
3885         symbol resolutions here.
3886         (deferred_global_decls): Remove.
3887         (lto_register_deferred_decls_in_symtab): Likewise.
3888         (lto_register_var_decl_in_symtab): Change signature, register
3889         variable via lto_symtab_register_decl.
3890         (lto_register_function_decl_in_symtab): Likewise.
3891         (lto_read_tree): Adjust.
3892         * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
3893         (lto_symtab_merge_var): Likewise.
3894         (lto_symtab_merge_fn): Likewise.
3895         (lto_symtab_register_decl): Declare.
3896         (lto_symtab_merge_decls): Likewise.
3897
3898 2009-10-05  Richard Guenther  <rguenther@suse.de>
3899
3900         PR tree-optimization/23821
3901         * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
3902         * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
3903         simple IV increments.
3904
3905 2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3906
3907         * config/arm/arm.c (arm_override_options): Really initialize
3908         flag_dwarf2_cfi_asm to 0.
3909
3910 2009-10-05  Doug Kwan  <dougkwan@google.com>
3911
3912         PR rtl-optimization/41574
3913         * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
3914         floating point and we are not doing unsafe math optimizations.
3915
3916 2009-10-03  Simon Baldwin  <simonb@google.com>
3917             Cary Coutant  <ccoutant@google.com>
3918             Rafael Espindola  <espindola@google.com>
3919             Richard Guenther  <rguenther@suse.de>
3920             Jan Hubicka  <jh@suse.cz>
3921             Doug Kwan <dougkwan@google.com>
3922             H.J. Lu  <hongjiu.lu@intel.com>
3923             Bill Maddox  <maddox@google.com>
3924             Ryan Mansfield  <rmansfield@qnx.com>
3925             Diego Novillo  <dnovillo@google.com>
3926             Ollie Wild  <aaw@google.com>
3927             Kenneth Zadeck <zadeck@naturalbridge.com>
3928
3929         * lto-cgraph.c: New file.
3930         * lto-compress.c: New file.
3931         * lto-compress.h: New file.
3932         * lto-opts.c: New file.
3933         * lto-section-in.c: New file.
3934         * lto-section-out.c: New file.
3935         * lto-streamer-in.c: New file.
3936         * lto-streamer-out.c: New file.
3937         * lto-streamer.c: New file.
3938         * lto-streamer.h: New file.
3939         * lto-symtab.c: New file.
3940         * lto-wpa-fixup.c: New file.
3941         * lto-wrapper.c: New file.
3942
3943 2009-10-03  Simon Baldwin  <baldwin@google.com>
3944             Ben Elliston  <bje@au.ibm.com>
3945             Rafael Espindola  <espindola@google.com>
3946             Nathan Froyd  <froydnj@codesourcery.com>
3947             Jan Hubicka  <jh@suse.cz>
3948             Doug Kwan  <dougkwan@google.com>
3949             Diego Novillo  <dnovillo@google.com>
3950             Kenneth Zadeck  <zadeck@naturalbridge.com>
3951
3952         * Makefile.in (enable_lto): New.
3953         (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
3954         (LINKER_PLUGIN_API_H): Define.
3955         (LTO_SYMTAB_H): Define.
3956         (LTO_STREAMER_H): Define.
3957         (TREE_VECTORIZER_H): Define.
3958         (INCLUDES): Add LIBELFINC.
3959         (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
3960         lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
3961         lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
3962         (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
3963         (native): Add lto-wrapper$(exeext)
3964         (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
3965         lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
3966         lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
3967         (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
3968         (varasm.o): Add dependency on tree-iterator.h.
3969         (cgraph.o): Add dependency on cif-code.def.
3970         (ipa-reference.o): Add dependency on LTO_STREAMER_H.
3971         (ipa-pure-const.o): Likewise.
3972         (GTFILES): Add lto-symtab.c.
3973         (install-lto-wrapper): New.
3974         * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
3975         and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
3976         * config.in: Regenerate.
3977
3978 2009-10-03  Rafael Espindola  <espindola@google.com>
3979             Diego Novillo  <dnovillo@google.com>
3980
3981         * cgraphunit.c (ipa_passes): Prevent lto1 from calling
3982         ipa_write_summaries.
3983         Call execute_ipa_summary_passes for all_regular_ipa_passes and
3984         all_lto_gen_passes.
3985         (cgraph_optimize): Make extern.
3986
3987 2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
3988             Kenneth Zadeck <zadeck@naturalbridge.com>
3989
3990         * toplev.c (in_lto_p): Declare.
3991         * collect2.c (scan_prog_file): Read all the output when reading
3992         information for LTO.
3993         (enum lto_mode_d): Declare.
3994
3995 2009-10-03  Richard Guenther  <rguenther@suse.de>
3996             Diego Novillo  <dnovillo@google.com>
3997
3998         * gimple.c: Include target.h and alias.h.
3999         (gimple_types): Declare.
4000         (type_hash_cache): Declare.
4001         (gimple_alloc_stat): Make extern.
4002         (gimple_build_eh_must_not_throw): Call
4003         gimple_eh_must_not_throw_set_fndecl.
4004         (struct type_pair_d): Declare.
4005         (type_pair_t): Declare.
4006         (type_pair_hash): New.
4007         (type_pair_eq): New.
4008         (lookup_type_pair): New.
4009         (gimple_force_type_merge): New.
4010         (compare_type_names_p): New.
4011         (compare_field_offset): New.
4012         (gimple_types_compatible_p): New.
4013         (struct sccs): Declare.
4014         (next_dfs_num): Declare.
4015         (iterative_hash_gimple_type): New.
4016         (visit): New.
4017         (iterative_hash_type_name): New.
4018         (iterative_hash_gimple_type): New.
4019         (gimple_type_hash): New.
4020         (gimple_type_eq): New.
4021         (gimple_register_type): New.
4022         (print_gimple_types_stats): New.
4023         (gimple_signed_or_unsigned_type): New.
4024         (gimple_unsigned_type): New.
4025         (gimple_signed_type): New.
4026         (gimple_get_alias_set): New.
4027         (gimple_decl_printable_name): Do not use DMGL_TYPES.
4028         * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
4029         (gimple_force_type_merge): Declare.
4030         (gimple_types_compatible_p): Declare.
4031         (gimple_register_type): Declare.
4032         (print_gimple_types_stats): Declare.
4033         (gimple_unsigned_type): Declare.
4034         (gimple_signed_type): Declare.
4035         (gimple_get_alias_set): Declare.
4036         (gimple_eh_must_not_throw_set_fndecl): New.
4037
4038 2009-10-03  Jan Hubicka  <jh@suse.cz>
4039             Kenneth Zadeck <zadeck@naturalbridge.com>
4040
4041         * ipa-pure-const.c: Include lto-streamer.h.
4042         (register_hooks): Factor out of ...
4043         (generate_summary): ... here.
4044         (pure_const_write_summary): New.
4045         (pure_const_read_summary): New.
4046         (pass_ipa_pure_const): Add pure_const_write_summary and
4047         pure_const_read_summary.
4048         * ipa-reference.c: Include lto-streamer.h.
4049         (add_new_function): New.
4050         (remove_node_data): New.
4051         (duplicate_node_data): New.
4052         (ipa_init): Guard against multiple calls.
4053         Move hook setup from analyze_function.
4054         (write_node_summary_p): New.
4055         (ipa_reference_write_summary): New.
4056         (ipa_reference_read_summary): New.
4057         (pass_ipa_reference): Add ipa_reference_write_summary and
4058         ipa_reference_read_summary.
4059         * cgraph.h (cgraph_local_info): Add field lto_file_data.
4060         (struct cgraph_edge): Add fields lto_stmt_uid and
4061         call_stmt_cannot_inline_p.
4062         (cgraph_optimize): Declare.
4063         (cgraph_decide_is_function_needed): Declare.
4064         (reset_inline_failed): Declare.
4065         (enum LTO_cgraph_tags): Declare.
4066         (LTO_cgraph_tag_names): Declare.
4067         (LCC_NOT_FOUND): Define.
4068
4069 2009-10-03  Doug Kwan  <dougkwan@google.com>
4070             Rafael Espindola  <espindola@google.com>
4071             Jan Hubicka  <jh@suse.cz>
4072             Diego Novillo  <dnovillo@google.com>
4073             Kenneth Zadeck  <zadeck@naturalbridge.com>
4074
4075         * passes.c (all_regular_ipa_passes): New.
4076         (all_ipa_passes): Rename to all_small_ipa_passes.
4077         (init_optimization_passes): Init all_regular_ipa_passes.
4078         * tree-pass.h (all_regular_ipa_passes): New.
4079         (all_ipa_passes): Rename to all_small_ipa_passes.
4080         * passes.c (all_lto_gen_passes): New.
4081         (init_optimization_passes): Initialize all_lto_gen_passes.
4082         (execute_ipa_summary_passes): Make non-static.
4083         (ipa_write_summaries_1): New.
4084         (ipa_write_summaries_2): New.
4085         (ipa_write_summaries): New.
4086         (ipa_write_summaries_of_cgraph_node_set): New.
4087         (ipa_read_summaries_1): New.
4088         (ipa_read_summaries): New.
4089         (execute_ipa_pass_list): Call cgraph_process_new_functions.
4090         (execute_regular_ipa_pass_list): Remove.
4091         (init_optimization_passes): Schedule
4092         pass_rebuild_cgraph_edges and pass_early_inline outside
4093         of pass_all_early_optimizations.  Document reason.
4094         (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
4095         pass_ipa_lto_finish_out): New pass.
4096         (pass_ipa_summary_passes): Start and stop timers if the pass has them.
4097         (execute_all_ipa_transforms): New.
4098         (execute_one_pass): Don't call execute_one_ipa_transform_pass.
4099         (dump_properties, debug_properties): New.
4100         * tree-optimize.c (gate_all_early_local_passes): Return
4101         false if we are in lto1.
4102         (tree_rest_of_compilation): Call execute_all_ipa_transforms.
4103         * tree-pass.h (execute_all_ipa_transforms): Declare.
4104         (pass_ipa_function_and_variable_visibility): Declare.
4105         (pass_ipa_early_inline): Declare.
4106         (pass_ipa_lto_gimple_out): Declare.
4107         (pass_ipa_lto_wpa_fixup): Declare.
4108         (pass_ipa_lto_finish_out): Declare.
4109         (all_small_ipa_passes, all_regular_ipa_passes,
4110         all_lto_gen_passes): Declare.
4111         (execute_ipa_summary_passes): Declare.
4112         (execute_all_ipa_transforms): Declare.
4113         (ipa_write_summaries): Declare
4114         (ipa_write_summaries_of_cgraph_node_set): Declare.
4115         (ipa_read_summaries): Declare.
4116
4117 2009-10-03  Doug Kwan  <dougkwan@google.com>
4118             Ollie Wild  <aaw@google.com>
4119
4120         * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.
4121
4122         * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
4123         (lto_mode): New variable.
4124         (maybe_run_lto_and_relink): Handle the -fwpa option.
4125         (main): Handle the -fwpa option.
4126         (maybe_unlink_list): New function.
4127         * gcc.c (link_lto_options): Replace -flto with -fwpa.
4128         * common.opt (flto): New flag.
4129         * toplev.c (flag_generate_lto): Declare.
4130
4131 2009-10-03  Simon Baldwin  <simonb@google.com>
4132
4133         * common.opt (flto-compression-level): New flag.
4134
4135         * opts.c: Include lto-opts.h.
4136         (handle_option): Call lto_register_user_option for each
4137         valid option handled.
4138         (decode_options): Clear registered options before the options
4139         handling loop.
4140
4141 2009-10-03  Cary Coutant  <ccoutant@google.com>
4142
4143         * collect2.c (is_elf): New function.
4144         (scan_prog_file): Require LTO object to be in ELF format.
4145
4146 2009-10-03  Rafael Espindola  <espindola@google.com>
4147
4148         * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
4149         libgcc to the linker.
4150
4151         * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.
4152
4153         * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
4154         (collect_execute): Add flags argument. Pass flags to pex_run. Update
4155         all callers.
4156         * collect2.h (collect_execute): Add flags argument.
4157         * tlink.c (tlink_execute): Update call to collect_execute.
4158         * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
4159         (use_linker_plugin): New.
4160         (use_linker_plugin_spec_function): New.
4161         (LINK_COMMAND_SPEC): Pass plugin options to the linker.
4162         (linker_plugin_file_spec): New.
4163         (lto_wrapper_spec): New.
4164         (lto_gcc_spec): New.
4165         (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
4166         (static_spec_functions): Add use-linker-plugin.
4167         (process_command): Handle -use-linker-plugin.
4168         (main): Use lto_wrapper_spec instead of lto_wrapper. Set
4169         linker_plugin_file_spec and lto_gcc_spec.
4170         (use_linker_plugin_spec_function): New.
4171
4172 2009-10-03  Richard Guenther  <rguenther@suse.de>
4173
4174         PR lto/41547
4175         PR lto/41548
4176         * tree.h (is_lang_specific): Include LANG_TYPE.
4177         * tree.c (find_decls_types_r): Manually add interesting parts
4178         of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.
4179
4180         * gimple.c (type_pair_hash): Make symmetric.
4181         (type_pair_eq): Likewise.
4182         (lookup_type_pair): Increase initial hashtable size.
4183         (gimple_force_type_merge): Rely on type-pair symmetry.
4184         (visit): Remove excessive checking code.
4185         (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
4186         (gimple_register_type): Remove getenv calls, shrink initial
4187         hashtable size.
4188
4189         PR middle-end/41502
4190         * cgraphunit.c (ipa_passes): Do not remove bodies of extern
4191         inline functions if not generating lto output.
4192
4193         PR lto/41379
4194         * toplev.c (finalize): In WPA mode remove the asm file.
4195
4196 2009-10-03  Doug Kwan  <dougkwan@google.com>
4197
4198         * ipa-inline.c (cgraph_mark_inline): Check
4199         edge->call_stmt_cannot_inline_p instead of calling
4200         gimple_call_cannot_inline_p.
4201         (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
4202         (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
4203         (inline_generate_summary): Do nothing in LTRANS.
4204         * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
4205         exists before calling gimple_call_cannot_inline_p.
4206         (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
4207         (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
4208         Update new_edge->lto_stmt_uid.
4209         * cgraphbuild.c (reset_inline_failed): New.
4210
4211         * common.opt (fwpa): New flag.
4212         (fltrans): New option.
4213         * gcc.c (gcc_lto_option_t): New type.
4214         (current_lto_option): New variable.
4215         (lto_single_spec_function): Remove and is replaced by ..
4216         (lto_option_spec_function): New function.
4217         (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
4218         passing the -flto flag.
4219         (cc1_options): Separate non-LTO related parts into ..
4220         (cc1_non_lto_options): Non-LTO related options shared by all FEs.
4221         (lto1_options): New spec for lto FE.
4222         (link_lto_options): New spec for handling LTO flags in linker.
4223         (invoke_lto_single): Re-format to fit in 80 column.  Replace
4224         lto-single with lto-option.
4225         (static_specs): Add cc1_non_lto_options, lto1_options and
4226         link_lto_options.
4227         (static_spec_function): Replace lto-single with lto-option.
4228         (process_command): Handle -flto, -fwpa and -fltran by setting
4229         current_lto_option and not passing it to subprocess unconditionally.
4230
4231 2009-10-03  Bill Maddox  <maddox@google.com>
4232
4233         Add `gcc' driver support for link-time code generation (LTO).
4234
4235         * collect2.c (enum pass): Add new literal PASS_LTOINFO.
4236         (lto_flag, lto_objects, lto_o_file): New variables.
4237         (struct lto_object, struct lto_object_list): New structures.
4238         (collect_exit, handler): Remove LTO temporary output file on exit.
4239         (add_lto_object): New function.
4240         (maybe_run_lto_and_relink): New function. Perform link time code
4241         generation and relinking for object files containing LTO information.
4242         (main): Invoke maybe_run_lto_and_relink().
4243         (dump_argv): New function.  For debugging, currently disabled.
4244         (scan_prog_file): Add LTO information pass.
4245         * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
4246         collect2.
4247         * toplev.c (compile_file): Emit assembler directive to create
4248         the `gnu_lto_v1' marker symbol when compiling with `-flto'.
4249
4250 2009-10-03  Diego Novillo  <dnovillo@google.com>
4251
4252         * c.opt: Add LTO to warn_abi and warn_psabi.
4253
4254         * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
4255         inline function.  Ignore language-specific nodes.  Update all users.
4256         (find_decls_types_r): Do not traverse the subtrees of
4257         language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
4258         * tree.h (is_lang_specific): New.
4259         * langhooks.h (struct lang_hooks_for_decls): Remove
4260         may_need_assembler_name_p.  Update all users.
4261
4262         * c-common.c (set_builtin_user_assembler_name): Move ...
4263         * builtins.c (set_builtin_user_assembler_name): ... here.
4264         (is_builtin_name): Add comment
4265         (is_builtin_fn): New.
4266         * except.c (output_ttype): Only call
4267         lookup_type_for_runtime if TYPE is not a runtime type.
4268
4269         * passes.c (register_pass): Call position_pass on
4270         all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
4271         * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
4272         (TV_IPA_LTO_DECL_IO): Define.
4273         (TV_IPA_LTO_CGRAPH_IO): Define.
4274         (TV_LTO): Define.
4275         (TV_WHOPR_WPA): Define.
4276         (TV_WHOPR_WPA_IO): Define.
4277         (TV_WHOPR_LTRANS): Define.
4278         (TV_WHOPR_WPA_FIXUP): Define.
4279         (TV_WHOPR_WPA_LTRANS_EXEC): Define.
4280         * tree-cfg.c (tree_node_can_be_shared): Make extern.
4281         * tree-flow.h (tree_node_can_be_shared): Declare.
4282         * tree-inline.c (tree_can_inline_p): Check that E has a
4283         statement associated with it.
4284         * tree.c (free_lang_data_in_binf): Factor out of ...
4285         (free_lang_data_in_type): ... here.
4286         Call RECORD_OR_UNION_TYPE_P.
4287         (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
4288         set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
4289         (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
4290         (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
4291         write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
4292         (gate_free_lang_data): Return true if flag_generate_lto is set.
4293         (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
4294         * c-common.h (set_builtin_user_assembler_name): Move ...
4295         * tree.h (set_builtin_user_assembler_name): ... here.
4296
4297         * common.opt (flto-report): New flag.
4298         * opts.c (complain_wrong_lang): Do not complain if running lto1.
4299         * collect2.c (scan_prog_file): Send the error output of
4300         'nm' to HOST_BIT_BUCKET.
4301
4302 2009-10-03  Ollie Wild  <aaw@google.com>
4303
4304         * langhooks-def.h (lhd_begin_section): New function declaration.
4305         (lhd_write_section): New function declaration.
4306         (lhd_end_section): New function declaration.
4307         (LANG_HOOKS_BEGIN_SECTION): New macro.
4308         (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
4309         (LANG_HOOKS_END_SECTION): New macro.
4310         (LANG_HOOKS_LTO): New macro.
4311         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
4312         * langhooks.c (output.h): Add include.
4313         (saved_section): New static variable.
4314         (lhd_begin_section): New function.
4315         (lhd_write_section_data): New function.
4316         (lhd_end_section): New function.
4317         * langhooks.h (struct lang_hooks_for_lto): New structure.
4318         (struct lang_hooks): Add member lto.
4319         * Makefile.in (langhooks.o): Add dependency on output.h.
4320
4321         * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.
4322
4323 2009-10-03  Richard Guenther  <rguenther@suse.de>
4324
4325         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
4326         Handle LTO.
4327
4328 2009-10-03  Simon Baldwin  <simonb@google.com>
4329             Richard Guenther  <rguenther@suse.de>
4330             Janis Johnson  <janis187@us.ibm.com>
4331             Doug Kwan  <dougkwan@google.com>
4332             Diego Novillo  <dnovillo@google.com>
4333             Ramana Radhakrishnan  <ramana.r@gmail.com>
4334             Ollie Wild  <aaw@google.com>
4335
4336         * doc/install.texi: Add documentation for libelf and --enable-lto.
4337         * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
4338         -flto-report, -flto-compression-level and -use-linker-plugin.
4339         * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
4340         Add section for LTO Testing.
4341
4342 2009-10-02  Cary Coutant  <ccoutant@google.com>
4343
4344         Add support for comdat type sections for DWARF v4.
4345         Merge from dwarf4 branch.
4346
4347         * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
4348         (dw_die_ref): Define vector type.
4349         (enum dw_val_class): Add dw_val_class_data8.
4350         (struct dw_val_struct): Add v.val_data8.
4351         (comdat_type_node_ref): New type.
4352         (struct die_struct): Move die_symbol into a union; add new field
4353         die_type_node.  Change all uses.
4354         (comdat_type_node): New type.
4355         (skeleton_chain_node): New type.
4356         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
4357         (comdat_type_list): New variable.
4358         (dwarf_tag_name): Add DW_TAG_type_unit.
4359         (dwarf_attr_name): Add DW_AT_signature.
4360         (add_AT_data8): New function.
4361         (replace_child): New function.
4362         (move_all_children): New function.
4363         (print_signature): New function.
4364         (print_die): Print signature information; add dw_val_class_data8.
4365         (attr_checksum): Support dw_val_class_data8.
4366         (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
4367         (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
4368         (checksum_sleb128, checksum_uleb128): New functions.
4369         (checksum_die_context): New function.
4370         (loc_checksum_ordered): New function.
4371         (attr_checksum_ordered): New function.
4372         (struct checksum_attributes): New structure.
4373         (collect_checksum_attributes): New function.
4374         (die_checksum_ordered): New function.
4375         (generate_type_signature): New function.
4376         (same_dw_val_p): Add dw_val_class_data8.
4377         (is_symbol_die): Use new is_declaration_die function.
4378         (is_declaration_die): New function.
4379         (should_move_die_to_comdat): New function.
4380         (clone_die): New function.
4381         (clone_tree): New function.
4382         (clone_as_declaration): New function.
4383         (copy_declaration_context): New function.
4384         (generate_skeleton_ancestor_tree): New function.
4385         (generate_skeleton_bottom_up): New function.
4386         (generate_skeleton): New function.
4387         (remove_child_or_replace_with_skeleton): New function.
4388         (break_out_comdat_types): New function.
4389         (struct decl_table_entry): New type.
4390         (htab_decl_hash): New function.
4391         (htab_decl_eq): New function.
4392         (htab_decl_del): New function.
4393         (copy_ancestor_tree): New function.
4394         (copy_decls_walk): New function.
4395         (copy_decls_for_unworthy_types): New function.
4396         (build_abbrev_table): Don't assert on missing die_symbol when doing
4397         comdat type sections.
4398         (size_of_die): Use DW_FORM_sig8 for external references.  Add
4399         dw_val_class_data8.
4400         (unmark_dies): Don't assert for unmarked dies when doing comdat
4401         type sections.
4402         (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
4403         (output_signature): New function.
4404         (output_die): Likewise.
4405         (output_compilation_unit_header): Mark output as DWARF version 3
4406         even if generating DWARF 4.
4407         (output_comdat_type_unit): New function.
4408         (output_line_info): Mark output as DWARF version 3 even if generating
4409         DWARF 4.
4410         (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
4411         DWARF-4.
4412         (dwarf2out_end_source_file): Likewise.
4413         (prune_unused_types_walk_attribs): Don't follow references into
4414         comdat type sections.
4415         (prune_unused_types_mark): When generating type units, do not mark
4416         children of non-defining declarations of types; do mark children of
4417         type entries.
4418         (prune_unused_types): Process comdat type sections.
4419         (htab_ct_hash): New function.
4420         (htab_ct_eq): New function.
4421         (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
4422         Add a pointer to the line table from type unit entries so
4423         DW_AT_decl_file has meaning.
4424         * varasm.c (default_elf_asm_named_section): Use identifier name as
4425         comdat key instead of lang hook.
4426
4427 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
4428
4429         * gcov-io.c (gcov_open): Open files read-only when MODE < 0.
4430
4431 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
4432
4433         * config/i386/i386.md (SWIM248): New mode iterator.
4434         (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
4435         divmodhi4 patterns using SWIM248 macro.
4436         (*divmod<mode>4): Macroize insn_and_split pattern from
4437         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
4438         and their corresponding splitters usign SWIM248 macro.  Split SImode
4439         insn to generate cltd and DImode insn to generate cqto instead of
4440         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
4441         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
4442         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
4443         *divmodsi_noext patterns using SWIM248 macro.
4444         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
4445         udivmodhi4 patterns using SWIM248 macro.
4446         (*udivmod<mode>4): Macroize insn_and_split pattern from
4447         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
4448         corresponding splitters using SWIM248 macro.
4449         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
4450         *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.
4451
4452 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
4453
4454         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
4455         of zero-sized element is zero-sized regardless of its extent.
4456
4457 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
4458
4459         PR debug/40521
4460         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
4461         * configure: Regenerated.
4462         * config.in: Regenerated.
4463         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
4464         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
4465         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
4466         not emitting .eh_frame, emit .cfi_sections .debug_frame
4467         directive.
4468
4469         PR debug/41404
4470         PR debug/41353
4471         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
4472         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
4473         with '\0'.
4474         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
4475         vars use DECL_RTL with resetting it back to NULL afterwards.
4476         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
4477         rtx_equal_p instead of asserting it is a SYMBOL_REF.
4478         (value_format): For dw_val_class_addr only use DW_FORM_addr if
4479         the attribute type allows it, otherwise use DW_FORM_dataN.
4480         (mem_loc_descriptor): Handle CONST_STRING.
4481         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
4482         Handle MEM with CONST_STRING address using add_AT_string.
4483         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
4484         CONST_STRING for const arrays initialized with a string literal.
4485         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
4486         (dwarf2out_finish): Call resolve_addr.
4487
4488 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
4489             Maxim Kuvyrkov  <maxim@codesourcery.com>
4490
4491         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
4492
4493 2009-10-02  Nick Clifton  <nickc@redhat.com>
4494
4495         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
4496         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4497
4498 2009-10-01  Jan Hubicka  <jh@suse.cz>
4499
4500         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
4501         (cgraph_create_virtual_clone): Just pass redirect_callers
4502         around.
4503         * cgraph.h (cgraph_clone_node): Update prototype.
4504         * ipa-pure-const.c (self_recursive_p): New function.
4505         (propagate): Use it.
4506         * ipa-inline.c (cgraph_clone_inlined_nodes,
4507         cgraph_decide_recursive_inlining): Update.
4508
4509 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
4510
4511         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
4512         instructions for TARGET_OCTEON.
4513
4514 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4515
4516         * config/arm/arm.c (arm_override_options): Turn off
4517         flag_dwarf2_cfi_asm for AAPCS variants.
4518
4519 2009-10-01  Martin Jambor  <mjambor@suse.cz>
4520
4521         PR middle-end/12392
4522         * tree-sra.c (convert_callers): Do not call
4523         compute_inline_parameters on one caller more than once.
4524
4525 2009-10-01  Nick Clifton  <nickc@redhat.com>
4526
4527         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
4528         an empty string if not already defined.
4529
4530 2009-10-01  Martin Jambor  <mjambor@suse.cz>
4531
4532         PR bootstrap/41395
4533         * tree-sra.c (is_va_list_type): New function.
4534         (find_var_candidates): Call is_va_list_type.
4535         (find_param_candidates): Check that the type or the type pointed
4536         to are not va_list types.
4537
4538 2009-10-01  Martin Jambor  <mjambor@suse.cz>
4539
4540         PR c++/41503
4541         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
4542         DECL_ARTIFICIAL (param_decl) is true.
4543
4544 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
4545
4546         * tree.h (tree_decl_common::lang_flag_8): New.
4547         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
4548         keyword.
4549         * c-common.h (RID_CONSTEXPR): New.
4550
4551 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
4552
4553         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
4554         Use ref-all pointers.
4555         (alpha_gimplify_va_arg): Ditto.
4556
4557 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
4558
4559         PR target/41279
4560         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
4561         before insn counting loop now that BB_END (bb) is counted.  Ensure
4562         the return value isn't zero.
4563
4564 2009-09-30  Nick Clifton  <nickc@redhat.com>
4565
4566         * config.gcc (sh-symbianelf): Replace definition of extra_objs
4567         with separate definitions of c_target_objs and cxx_target_objs.
4568         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
4569         and symbian-base.o.
4570         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
4571         sh_symbian_import_export_class.
4572         * config/sh/sh-protos.h: Fix names of exported symbian functions.
4573         * config/sh/symbian.c: Delete, moving code into...
4574         * config/sh/symbian-base.c: ... here
4575         * config/sh/symbian-c.c: ... and here
4576         * config/sh/symbian-cxx.c: ... and here.
4577
4578 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
4579
4580         PR target/22093
4581         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
4582         of plus RTX into register.
4583
4584 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4585
4586         * doc/install.texi: Linguistic and markup fixes.
4587         (Configuration) <--disable-cpp>: Remove description.
4588         <--enable-maintainer-mode>: Autotools files are affected, too.
4589         <--with-sysroot>: Improve description.
4590         (Building): Bump required GNU make version.
4591
4592 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
4593
4594         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
4595         (x86_64-*-*): Ditto.
4596
4597         * config/i386/fma4intrin.h: New file, provide common x86 compiler
4598         intrinisics for FMA4.
4599         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
4600         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
4601         Add FMA4 check and fma4intrin.h.
4602         * config/i386/i386-c.c(ix86_target_macros_internal): Check
4603         ISA_FLAG for FMA4.
4604         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
4605         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
4606         constant for FMA4 support.
4607         (UNSPEC_FMA4_FMADDSUB): Ditto.
4608         (UNSPEC_FMA4_FMSUBADD): Ditto.
4609         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
4610         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
4611         (ix86_expand_fma4_multiple_memory): Ditto.
4612         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
4613         (OPTION_MASK_ISA_FMA4_UNSET): New.
4614         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
4615         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
4616         (ix86_handle_option): Handle -mfma4.
4617         (isa_opts): Handle -mfma4.
4618         (enum pta_flags): Add PTA_FMA4.
4619         (override_options): Add FMA4 support.
4620         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
4621         (IX86_BUILTIN_VFMADDSD): Ditto.
4622         (IX86_BUILTIN_VFMADDPS): Ditto.
4623         (IX86_BUILTIN_VFMADDPD): Ditto.
4624         (IX86_BUILTIN_VFMSUBSS): Ditto.
4625         (IX86_BUILTIN_VFMSUBSD): Ditto.
4626         (IX86_BUILTIN_VFMSUBPS): Ditto.
4627         (IX86_BUILTIN_VFMSUBPD): Ditto.
4628         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
4629         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
4630         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
4631         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
4632         (IX86_BUILTIN_VFNMADDSS): Ditto.
4633         (IX86_BUILTIN_VFNMADDSD): Ditto.
4634         (IX86_BUILTIN_VFNMADDPS): Ditto.
4635         (IX86_BUILTIN_VFNMADDPD): Ditto.
4636         (IX86_BUILTIN_VFNMSUBSS): Ditto.
4637         (IX86_BUILTIN_VFNMSUBSD): Ditto.
4638         (IX86_BUILTIN_VFNMSUBPS): Ditto.
4639         (IX86_BUILTIN_VFNMSUBPD): Ditto.
4640         (IX86_BUILTIN_VFMADDPS256): Ditto.
4641         (IX86_BUILTIN_VFMADDPD256): Ditto.
4642         (IX86_BUILTIN_VFMSUBPS256): Ditto.
4643         (IX86_BUILTIN_VFMSUBPD256): Ditto.
4644         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
4645         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
4646         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
4647         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
4648         (IX86_BUILTIN_VFNMADDPS256): Ditto.
4649         (IX86_BUILTIN_VFNMADDPD256): Ditto.
4650         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
4651         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
4652         (enum multi_arg_type): New enum for describing the various FMA4
4653         intrinsic argument types.
4654         (bdesc_multi_arg): New table for FMA4 intrinsics.
4655         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
4656         (ix86_expand_multi_arg_builtin): New function for creating FMA4
4657         intrinsics.
4658         (ix86_expand_builtin): Add FMA4 intrinsic support.
4659         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
4660         operand instructions.
4661         (ix86_expand_fma4_multiple_memory): New function to split the
4662         second memory reference from FMA4 instructions.
4663         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
4664         (ssemodesuffixf2s): Ditto.
4665         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
4666         instructions.
4667         (fma4_fmsub<mode>4): Ditto.
4668         (fma4_fnmadd<mode>4): Ditto.
4669         (fma4_fnmsub<mode>4): Ditto.
4670         (fma4_vmfmadd<mode>4): Ditto.
4671         (fma4_vmfmsub<mode>4): Ditto.
4672         (fma4_vmfnmadd<mode>4): Ditto.
4673         (fma4_vmfnmsub<mode>4): Ditto.
4674         (fma4_fmadd<mode>4256): Ditto.
4675         (fma4_fmsub<mode>4256): Ditto.
4676         (fma4_fnmadd<mode>4256): Ditto.
4677         (fma4_fnmsub<mode>4256): Ditto.
4678         (fma4_fmaddsubv8sf4): Ditto.
4679         (fma4_fmaddsubv4sf4): Ditto.
4680         (fma4_fmaddsubv4df4): Ditto.
4681         (fma4_fmaddsubv2df4): Ditto.
4682         (fma4_fmsubaddv8sf4): Ditto.
4683         (fma4_fmsubaddv4sf4): Ditto.
4684         (fma4_fmsubaddv4df4): Ditto.
4685         (fma4_fmsubaddv2df4): Ditto.
4686         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
4687         instructions for intrinsics.
4688         (fma4i_fmsub<mode>4): Ditto.
4689         (fma4i_fnmadd<mode>4): Ditto.
4690         (fma4i_fnmsub<mode>4): Ditto.
4691         (fma4i_vmfmadd<mode>4): Ditto.
4692         (fma4i_vmfmsub<mode>4): Ditto.
4693         (fma4i_vmfnmadd<mode>4): Ditto.
4694         (fma4i_vmfnmsub<mode>4): Ditto.
4695         (fma4i_fmadd<mode>4256): Ditto.
4696         (fma4i_fmsub<mode>4256): Ditto.
4697         (fma4i_fnmadd<mode>4256): Ditto.
4698         (fma4i_fnmsub<mode>4256): Ditto.
4699         (fma4i_fmaddsubv8sf4): Ditto.
4700         (fma4i_fmaddsubv4sf4): Ditto.
4701         (fma4i_fmaddsubv4df4): Ditto.
4702         (fma4i_fmaddsubv2df4): Ditto.
4703         (fma4i_fmsubaddv8sf4): Ditto.
4704         (fma4i_fmsubaddv4sf4): Ditto.
4705         (fma4i_fmsubaddv4df4): Ditto.
4706         (fma4i_fmsubaddv2df4): Ditto.
4707
4708         * doc/invoke.texi (-mfma4): Add documentation.
4709         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
4710
4711 2009-09-29  Richard Henderson  <rth@redhat.com>
4712
4713         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
4714         an edge to the new destination block.
4715
4716 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4717
4718         PR target/41393
4719         * pa.c (hppa_profile_hook): Use
4720         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
4721
4722 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
4723             Alexander Monakov  <amonakov@ispras.ru>
4724
4725         PR target/41365
4726         * config/ia64/predicates.md (not_postinc_destination_operand): New.
4727         (not_postinc_memory_operand): New.
4728         (not_postinc_move_operand): New.
4729         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
4730         (*cmovsi_internal): Ditto.
4731
4732 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
4733
4734         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
4735         restrict issue_rate in first pass when scheduling for register
4736         pressure.
4737
4738 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
4739             Rafael Avila de Espindola  <espindola@google.com>
4740
4741         * gengtype.c (plugin_output): New.
4742         (get_output_file_with_visibility): Return plugin_output for plugins.
4743         (main): Parse and use the -P option.
4744         * gty.texi: Update the command line format.
4745
4746 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
4747
4748         PR debug/41438
4749         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
4750         functions.
4751         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
4752         out if !const_ok_for_output.
4753
4754         PR debug/41474
4755         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
4756         case VAR_LOCATION>: Remove gcc_unreachable ().
4757
4758 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
4759
4760         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
4761         (x86_64-*-*): Ditto.
4762         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
4763         back to smmintrin.h.
4764         * config/i386/cpuid.h (bit_SSE5): Remove SSE5 bit.
4765         * config/i386/x86intrin.h: Remove SSE5.
4766         * config/i386/mmintrin-common.h: Delete file.
4767         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
4768
4769 2009-09-29  Richard Guenther  <rguenther@suse.de>
4770
4771         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
4772         resulting from stack temporaries on STRICT_ALIGNMENT targets.
4773
4774 2009-09-29  Nick Clifton  <nickc@redhat.com>
4775
4776         * function.c (current_function_name): If there is no current
4777         function just return "<none>".
4778
4779 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
4780
4781         * tree-pass.h (register_pass_info): New structure.
4782         (pass_positioning_ops): Move enum from gcc-plugin.h.
4783         (register_pass): New function.
4784         * gcc-plugin.h (plugin_pass): Delete structure.
4785         (pass_positioning_ops): Delete enum.
4786         * plugin.c (regsiter_pass): Delete function.
4787         (position_pass): Delete function.
4788         (added_pass_nodes): Delete variable.
4789         (prev_added_pass_nodes): Delete variable.
4790         (pass_list_node): Delete structure.
4791         * passes.c (make_pass_instance): New function.
4792         (next_pass_1): Change to call make_pass_instance.
4793         (pass_list_node): Move structure from gcc-plugin.h.
4794         (added_pass_nodes): Move variable from plugin.c.
4795         (prev_added_pass_nodes): Move variable from plugin.c.
4796         (position_pass): New function.
4797         (register_pass): New function.
4798
4799 2009-09-28  Easwaran Raman  <eraman@google.com>
4800
4801         * ifcvt.c (noce_try_abs): Recognize pattern and call
4802         expand_one_cmpl_abs_nojump.
4803         * optabs.c (expand_one_cmpl_abs_nojump): New function.
4804         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
4805
4806 2009-09-28  Ian Lance Taylor  <iant@google.com>
4807
4808         PR middle-end/40500
4809         * c-opts.c (c_common_handle_option): Don't set
4810         warn_jump_misses_init for -Wall.
4811         * doc/invoke.texi (Warning Options): Update documentation.
4812
4813 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4814
4815         * Makefile.in ($(out_object_file)): Depend on
4816         gt-$(basename $(notdir $(out_file))).h.
4817
4818 2009-09-28  Richard Henderson  <rth@redhat.com>
4819
4820         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
4821         * except.c (gen_eh_region): Set it.
4822         (duplicate_eh_regions_1): Copy it.
4823         * tree-eh.c (lower_resx): Use it to determine which function
4824         to call to resume.
4825
4826         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
4827         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
4828         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
4829         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
4830         BUILT_IN_CXA_END_CLEANUP if necessary.
4831
4832         * c-common.c (c_define_builtins): Update call to
4833         build_common_builtin_nodes.
4834
4835 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4836
4837         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
4838
4839 2009-09-28  Michael Matz  <matz@suse.de>
4840
4841         * builtins.c (interclass_mathfn_icode): New helper.
4842         (expand_builtin_interclass_mathfn): Use it here, and split folding
4843         into ...
4844         (fold_builtin_interclass_mathfn): ... this new folder.
4845         (build_call_nofold_loc): New static helper.
4846         (build_call_nofold): New wrapper macro for above.
4847         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
4848         (expand_builtin_pow): Ditto.
4849         (expand_builtin_memset_args): Ditto.
4850         (expand_builtin_printf): Ditto.
4851         (expand_builtin_fprintf): Ditto.
4852         (expand_builtin_sprintf): Ditto.
4853         (expand_builtin_memory_chk): Ditto.
4854         (expand_builtin_mempcpy_args): Ditto and don't call folders.
4855         (expand_builtin_stpcpy): Ditto.
4856         (expand_builtin_strcmp): Ditto.
4857         (expand_builtin_strncmp): Ditto.
4858         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
4859         (expand_builtin_strcpy_args): Don't call folders.
4860         (expand_builtin_memcmp): Ditto.
4861         (expand_builtin_strncpy): Ditto, and use target.
4862         (expand_builtin_memcpy): Ditto.
4863         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
4864         expand_builtin_strpbrk, expand_builtin_memmove,
4865         expand_builtin_memmove_args, expand_builtin_bcopy,
4866         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
4867         expand_builtin_strspn, expand_builtin_strcspn,
4868         expand_builtin_fputs): Remove these.
4869         (expand_builtin): Don't call the above, change calls to other
4870         expanders that changed prototype.
4871         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
4872         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
4873         fold_builtin_interclass_mathfn.
4874         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
4875         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
4876
4877         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
4878         * passes.c (init_optimization_passes): Move pass_fold_builtins
4879         after last phiopt pass.
4880         * tree-inline.c (fold_marked_statements): When folding builtins
4881         iterate over all instruction potentially generated.
4882         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
4883         earlier.
4884         (fold_gimple_call): Use it to always fold calls (into potentially
4885         multiple instructions).
4886         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
4887         calls into zero at this time.
4888         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
4889         statements generated by builtin folding.
4890
4891 2009-09-28  Nick Clifton  <nickc@redhat.com>
4892
4893         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.
4894
4895 2009-09-28  Duncan Sands  <baldrick@free.fr>
4896
4897         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
4898         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
4899         (register_callback): Dispatch it.
4900         (invoke_plugin_callbacks): Incorporate in sanity check.
4901         * ggc.h (ggc_register_cache_tab): Add declaration.
4902         * ggc-common.c (ggc_register_root_tab): Simplify.
4903         (const_ggc_cache_tab_t): New typedef.
4904         (extra_cache_vec): New vector of dynamically added cache tables.
4905         (ggc_register_cache_tab): New function.
4906         (ggc_scan_cache_tab): New function.
4907         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
4908         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
4909
4910 2009-09-27  Richard Henderson  <rth@redhat.com>
4911
4912         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
4913         which we remove __builtin_stack_restore.
4914
4915 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4916
4917         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
4918         to test for GRD_INVARIANT.
4919         (simple_rhs_p): Anything that's function_invariant_p is fine.
4920
4921 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
4922
4923         * gengtype.c (main): Use plunge_files instead of plugin_output.
4924
4925 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
4926             Rafael Avila de Espindola  <espindola@google.com>
4927
4928         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
4929         Don't print pch related info if it is false.
4930         (main): Don't print pch info in plugin mode.
4931
4932 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
4933
4934         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
4935         with dw_val_class_const_double.
4936         (struct dw_val_struct): Replace val_long_long with val_double and
4937         adjust for above change.
4938         (output_loc_operands): Likewise.
4939         (add_AT_long_long): Rename into...
4940         (add_AT_double): ...this.
4941         (print_die): Replace dw_val_class_long_long with
4942         dw_val_class_const_double and adjust.
4943         (attr_checksum): Likewise.
4944         (same_dw_val_p): Likewise.
4945         (size_of_die): Likewise.
4946         (value_format): Likewise.
4947         (output_die): Likewise.
4948         (loc_descriptor) <CONST_DOUBLE>: Likewise.
4949         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
4950         instead of add_AT_long_long.
4951         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
4952         value with the precision of its type.
4953
4954 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
4955
4956         PR c/41476
4957         * c-typeck.c (build_conditional_expr): Use the readonly and
4958         volatile flags of the operand types, not of the operands itself.
4959
4960 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
4961
4962         * collect2.c (main): Look for -brtl before adding libraries.
4963
4964 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
4965
4966         * config.gcc: Update OpenBSD targets.
4967         * config/openbsd-stdint.h: New file.
4968         * config/openbsd-libpthread.h: New file.
4969         * config/openbsd.h: Update and break out LIB_SPEC definition.
4970         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
4971         * config/i386/openbsdelf.h: Correct types.
4972         * config/m68k/openbsd.h: Likewise.
4973         * config/mips/openbsd.h: Likewise.
4974         * config/vax/openbsd.h: Likewise.
4975
4976 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
4977
4978         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
4979         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
4980         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
4981         of the length and zero.
4982
4983 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4984
4985         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
4986         (FLAGS_H): Add options.h $(REAL_H).
4987         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
4988         (TREE_VECTORIZER_H): New.
4989         (EBITMAP_H): Renamed from EBIMAP_H.
4990         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
4991         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
4992         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
4993         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
4994         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
4995         (graphite-clast-to-gimple.o, graphite-dependences.o)
4996         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
4997         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
4998         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
4999         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
5000         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
5001         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
5002         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
5003         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
5004         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
5005         updated and fixed as per above changes and per
5006         check_makefile_deps.sh output.
5007
5008         PR bootstrap/40928
5009         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
5010         * configure: Regenerate.
5011
5012 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5013
5014         * doc/install.texi: Update minimum MPC version to 0.7.
5015
5016 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
5017
5018         * doc/install.texi (Binaries): Remove reference to the binary
5019         distribution CD-ROM from the FSF.
5020
5021 2009-09-26  Michael Matz  <matz@suse.de>
5022
5023         PR lto/40758
5024         PR middle-end/41470
5025         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
5026         that are mentioned in the body.
5027
5028 2009-09-26  Michael Matz  <matz@suse.de>
5029
5030         PR tree-optimization/41454
5031         * tree-ssa-dom (stmts_to_rescan): Remove variable.
5032         (tree_ssa_dominator_optimize): Don't allocate and free it.
5033         (dom_opt_leave_block): Don't iterate over it.
5034         (eliminate_redundant_computations): Don't return a value.
5035         (cprop_operand, cprop_into_stmt): Ditto.
5036         (optimize_stmt): Don't defer updating stmts.
5037
5038 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
5039
5040         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
5041         generic_parameter_die, template_parameter_pack_die,
5042         gen_formal_parameter_die, gen_subprogram_die): Adjust after
5043         renaming DW_TAG_formal_parameter_pack and
5044         DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
5045         and DW_TAG_GNU_template_parameter_pack.
5046
5047 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
5048
5049         * config/v850/v850.h (FUNCTION_VALUE): Remove.
5050         * config/v850/v850.c (v850_function_value): New function.
5051         (TARGET_FUNCTION_VALUE): Define.
5052
5053 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
5054
5055         * tree-vect-stmts.c (vectorizable_call): Call
5056         mark_symbols_for_renaming after vect_finish_stmt_generation.
5057
5058         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
5059         to loc_descriptor_from_tree.
5060         (add_location_or_const_value_attribute): Pass 0 instead of 2
5061         for decl_by_reference_p decls.
5062
5063 2009-09-25  Richard Guenther  <rguenther@suse.de>
5064
5065         PR middle-end/41463
5066         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
5067         arrays again.
5068
5069 2009-09-25  Ben Elliston  <bje@au.ibm.com>
5070
5071         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
5072         after `power7'.
5073
5074 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
5075
5076         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
5077         form of instruction.
5078
5079 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5080
5081         PR middle-end/41435
5082         * fold-const.c (const_binop): Handle complex int division.
5083         * tree-complex.c (expand_complex_div_straight,
5084         expand_complex_div_wide): Update comments.
5085
5086 2009-09-24  DJ Delorie  <dj@redhat.com>
5087
5088         PR target/41456
5089         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
5090         (reg_class): Likewise.
5091         (REG_CLASS_NAMES): Likewise.
5092         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
5093         (m32c_override_options): Disable -fivopts for M32C.
5094
5095 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
5096
5097         * config/rs6000/predicates.md (indexed_or_indirect_operand):
5098         Delete VSX load/store with update support.
5099         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
5100         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
5101         (vsx_movti): Ditto.
5102         (VSX_U): Delete.
5103         (VSbit): Ditto.
5104         (VStype_load_update): Ditto.
5105         (VStype_store_update): Ditto.
5106         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
5107         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
5108
5109         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
5110         load/store with update builtins.
5111
5112 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
5113
5114         * libgcc2.c (L_trampoline): Prototype for getpagesize
5115         and mprotect in WINNT case.
5116
5117 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
5118
5119         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
5120         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
5121         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
5122         'outgoing' argument.
5123         (TARGET_FUNCTION_VALUE): Define.
5124
5125 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
5126
5127         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
5128
5129 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
5130
5131         PR bootstrap/41405
5132         * common.opt: Initialize dwarf_strict to -1.
5133         * toplev.c (process_options): Catch unset dwarf_strict
5134         and set to 0 for all targets not overriding.
5135         * config/darwin.c (darwin_override_options): Catch unset
5136         dwarf_strict and override to 1.
5137
5138 2009-09-24  Jeff Law  <law@redhat.com>
5139
5140         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
5141
5142 2009-09-24  Richard Guenther  <rguenther@suse.de>
5143
5144         PR tree-optimization/36143
5145         PR tree-optimization/38747
5146         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
5147         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
5148
5149 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
5150
5151         PR bootstrap/41457
5152         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
5153         return false instead of gcc_unreachable ().  For CONST return the
5154         value returned by recursive call instead of always returning true.
5155         (tree_add_const_value_attribute): Return the value returned by
5156         add_const_value_attribute instead of always returning true if rtl
5157         is non-NULL.
5158
5159 2009-09-23  Justin Seyster  <jrseys@gmail.com>
5160
5161         * Makefile.in (PLUGIN_HEADERS): Include real.h.
5162
5163 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
5164
5165         * cgraphunit.c (cgraph_lower_function): Revert last change.
5166         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
5167         instead of DECL_NO_STATIC_CHAIN.
5168         * tree-cfg.c (verify_gimple_call): Likewise.
5169         * tree-nested.c (get_chain_decl, get_chain_field,
5170         convert_tramp_reference_op, convert_gimple_call): Likewise.
5171         (convert_all_function_calls): Likewise.  Always set or clear
5172         DECL_STATIC_CHAIN initially, for !n->outer clear it.
5173         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
5174         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
5175         if nested.
5176         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
5177         DECL_NO_STATIC_CHAIN.
5178         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
5179         instead of DECL_NO_STATIC_CHAIN.
5180         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
5181         decl_function_context.
5182         * varasm.c (initializer_constant_valid_p): Likewise.
5183         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
5184         (DECL_STATIC_CHAIN): ... this.
5185         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
5186         instead of DECL_NO_STATIC_CHAIN.
5187
5188 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
5189             Rafael Avila de Espindola  <espindola@google.com>
5190
5191         * gengtype.c (nb_plugin_files): Make it unsigned to match
5192         num_gt_files. Adjust other variables to avoid warnings.
5193         (main): Allocate an all zero lang_bitmap before each plugin file name
5194         to match regular file names.
5195
5196 2009-09-23  Richard Henderson  <rth@redhat.com>
5197
5198         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
5199         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
5200         static chain passed in memory.
5201         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
5202         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
5203         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
5204         STATIC_CHAIN_REGNUM defined.
5205
5206         * config/picochip/picochip-protos.h: s/class/klass/.
5207         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
5208         (picochip_static_chain): New.
5209         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
5210         (STATIC_CHAIN_INCOMING): Remove.
5211
5212         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
5213         (xtensa_static_chain): New.
5214         * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
5215         (STATIC_CHAIN_INCOMING): Remove.
5216
5217 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
5218
5219         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
5220         * config/pa/pa-protos.h (function_value): Remove.
5221         * config/pa/pa.c (pa_function_value): Rename from function_value.
5222         Make static, add 'outgoing' argument.
5223         (TARGET_FUNCTION_VALUE): Define.
5224
5225 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
5226
5227         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
5228         instead of cfun->machine->is_leaf.
5229         * config/avr/avr.h (machine_function): Remove is_leaf field.
5230
5231 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
5232
5233         PR debug/41439
5234         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
5235         DW_OP_piece after DW_OP_stack_value, adjust size calculations
5236         for it, when DW_OP_stack_value and DW_OP_implicit_value has
5237         the same size, prefer DW_OP_stack_value.
5238         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
5239         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
5240
5241 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
5242
5243         PR debug/41353
5244         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
5245
5246 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
5247
5248         PR debug/41248
5249         * cfgexpand.c (convert_debug_memory_address): New.
5250         (expand_debug_expr): Convert base address and offset to the same
5251         mode.  Use it to convert addresses to other modes.  Accept
5252         ptr_mode addresses.
5253
5254 2009-09-23  Dodji Seketeli <dodji@redhat.com>
5255
5256         PR debug/41065
5257         * function.h (types_used_by_vars_hash): Declare new hash table.
5258         (types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
5259         equality and hash function for the hash table.
5260         (types_used_by_cur_var_decl): Declare a new global chained list.
5261         (types_used_by_var_decl_insert): Declare new function.
5262         * function.c (types_used_by_vars_hash): Define the hashtable ...
5263         (types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
5264         its equality and hash functions.
5265         (hash_types_used_by_vars_entry): New hash helper.
5266         (types_used_by_cur_var_decl): Define the global chained list.
5267         (used_types_insert): Update the list of types used by the global
5268         variable being parsed.
5269         (types_used_by_var_decl_insert): Define new function.
5270         * c-common.h (record_types_used_by_current_var_decl): Declare ...
5271         * c-common.c (record_types_used_by_current_var_decl): ... new
5272         function.
5273         * c-decl.c (finish_decl): Record the types used by the global
5274         variable declaration we've just parsed.
5275         * dwarf2out.c (premark_used_types): Insert a new line between
5276         comment and function.
5277         (premark_used_types_helper): Fix comment.
5278         (premark_types_used_by_global_vars_helper,
5279         premark_types_used_by_global_vars): New functions.
5280         (prune_unused_types): Do not prune types used by global variables.
5281
5282 2009-09-23  Richard Guenther  <rguenther@suse.de>
5283
5284         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
5285         produced for bigendian targets with promoted subregs.
5286
5287 2009-09-23  Richard Guenther  <rguenther@suse.de>
5288
5289         * value-prof.c (gimple_ic): Purge old EH edges only after building
5290         the new ones.
5291
5292 2009-09-23  Nick Clifton  <nickc@redhat.com>
5293
5294         * config/arc/arc.c (arc_trampoline_init): Fix typo.
5295
5296 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
5297
5298         PR bootstrap/41405
5299         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
5300
5301         PR bootstrap/41436
5302         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
5303         on non-nested functions.
5304
5305 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
5306             Jan Hubicka  <jh@suse.cz>
5307
5308         * dwarf2out.c (loc_list_plus_const): Only define if
5309         DWARF2_DEBUGGING_INFO.
5310         (address_of_int_loc_descriptor): Likewise.
5311
5312         PR debug/41411
5313         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
5314
5315 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
5316
5317         PR c/39779
5318         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
5319         constant is more than zero.
5320
5321 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
5322
5323         PR target/40473
5324         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
5325         call final to emit non-scheduled prologue, instead insert at entry.
5326
5327 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
5328             Joseph S. Myers  <joseph@codesourcery.com>
5329
5330         * doc/install.texi (*-*-freebsd*): Add proper format codes.
5331
5332 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
5333             Rafael Avila de Espindola  <espindola@google.com>
5334
5335         * gengtype.c (is_file_equal): New function.
5336         (close_output_files): Use is_file_equal. Free of->buf.
5337
5338 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
5339             Rafael Avila de Espindola  <espindola@google.com>
5340
5341         * gengtype.c (write_types, write_local): Add the output_header
5342         argument. Update all callers.
5343
5344 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
5345
5346         * dwarf2out.c (template_parameter_pack_die,
5347         gen_formal_parameter_pack_die ): New functions.
5348         (make_ith_pack_parameter_name): Remove this function.
5349         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
5350         DW_TAG_formal_parameter_pack.
5351         (gen_generic_params_dies): Represent each template parameter pack
5352         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
5353         represented by usual DW_TAG_template_*_parameter DIEs that are
5354         children of the DW_TAG_template_parameter_pack element DIE.
5355         (generic_parameter_die): This doesn't deal with parameter pack
5356         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
5357         of parameter pack DIEs.
5358         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
5359         in certain cases, e.g. for pack elements.
5360         (gen_formal_types_die, gen_decl_die): Adjust usage of
5361         gen_formal_parameter_die.
5362         (gen_subprogram_die): Represent each function parameter pack by a
5363         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
5364         represented by usual DW_TAG_formal_parameter DIEs that are children
5365         of the DW_TAG_formal_parameter_pack DIE. Remove references to
5366         ____builtin_va_alist decls as no part of the compiler uses those
5367         anymore.
5368         * langhooks.h (struct lang_hooks_for_decls): Add
5369         function_parm_expanded_from_pack_p, get_generic_function_decl
5370         and function_parameter_pack_p hooks.  Fix comment for
5371         get_innermost_generic_parms hook.
5372         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
5373         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
5374         macros and use them to initialize lang_hook.
5375
5376 2009-09-22  Richard Henderson  <rth@redhat.com>
5377
5378         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
5379         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
5380         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
5381         on TRAMPOLINE_TEMPLATE.
5382         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
5383         TRAMPOLINE_ADJUST_ADDRESS.
5384         * targhooks.c (default_asm_trampoline_template): Remove.
5385         (default_trampoline_adjust_address): Remove.
5386         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
5387         * targhooks.h: Update decls.
5388
5389 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5390
5391         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
5392         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
5393         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
5394
5395 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
5396
5397         PR debug/41295
5398         * reload1.c (reload): Reset debug insns with pseudos without
5399         equivalences.
5400
5401 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
5402
5403         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
5404         unconditional true for decimal float modes.
5405         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
5406         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
5407
5408 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
5409
5410         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
5411         Enable a new case for __FreeBSD__ >= 7.
5412         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
5413         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
5414         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
5415         and USE_LD_AS_NEEDED.
5416
5417         * doc/install.texi (*-*-freebsd*): Update target information.
5418
5419 2009-09-22  Richard Guenther  <rguenther@suse.de>
5420
5421         PR middle-end/41395
5422         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
5423         arrays really properly.
5424
5425 2009-09-22  Richard Henderson  <rth@redhat.com>
5426
5427         PR target/41246
5428         * target.h (struct gcc_target): Add asm_out.trampoline_template,
5429         calls.static_chain, calls.trampoline_init,
5430         calls.trampoline_adjust_address.
5431         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5432         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
5433         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
5434         * builtins.c (expand_builtin_setjmp_receiver): Use
5435         targetm.calls.static_chain; only clobber registers.
5436         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
5437         set up memory attributes properly for the trampoline block.
5438         (expand_builtin_adjust_trampoline): Use
5439         targetm.calls.trampoline_adjust_address.
5440         * calls.c (prepare_call_address): Add fndecl argument.  Use
5441         targetm.calls.static_chain.
5442         * df-scan.c (df_need_static_chain_reg): Remove.
5443         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
5444         consolodate static chain handling.
5445         * doc/tm.texi: Document new hooks.
5446         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
5447         (init_emit_regs): Don't initialize them.
5448         * expr.h (prepare_call_address): Update decl.
5449         * final.c (profile_function): Use targetm.calls.static_chain.
5450         * function.c (expand_function_start): Likewise.
5451         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
5452         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
5453         only clobber registers.
5454         * targhooks.c (default_static_chain): New.
5455         (default_asm_trampoline_template, default_trampoline_init): New.
5456         (default_trampoline_adjust_address): New.
5457         * targhooks.h: Declare them.
5458         * varasm.c (assemble_trampoline_template): Use
5459         targetm.asm_out.trampoline_template.  Make the memory block const
5460         and set its size.
5461
5462         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
5463         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
5464         differences into the TARGET_ABI_OPEN_VMS code block.
5465         (TARGET_TRAMPOLINE_INIT): New.
5466         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
5467         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
5468         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
5469         (INITIALIZE_TRAMPOLINE): Remove.
5470
5471         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
5472         (TRAMPOLINE_TEMPLATE): Merge with ...
5473         (INITIALIZE_TRAMPOLINE): ... this and move ...
5474         * config/arc/arc.c (arc_trampoline_init): ... here.
5475         (TARGET_TRAMPOLINE_INIT): New.
5476
5477         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5478         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
5479         (arm_asm_trampoline_template): New.
5480         (arm_trampoline_init, arm_trampoline_adjust_address): New.
5481         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
5482         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
5483         code to arm_asm_trampoline_template.
5484         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
5485         arm_trampoline_adjust_address.
5486         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
5487         adjust for target hook parameters.
5488
5489         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
5490         Remove.
5491
5492         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
5493         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
5494         (bfin_trampoline_init): Rename from initialize_trampoline;
5495         make static; update for target hook parameters.
5496         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
5497         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
5498         bfin_asm_trampoline_template.
5499         (INITIALIZE_TRAMPOLINE): Remove.
5500
5501         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5502         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
5503         cris_trampoline_init): New.
5504         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
5505         cris_asm_trampoline_template.
5506         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
5507         adjust for target hook parameters.
5508
5509         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
5510
5511         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5512         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
5513         fr30_trampoline_init): New.
5514         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
5515         fr30_asm_trampoline_template.
5516         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
5517         adjust for target hook parameters.
5518
5519         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
5520         (frv_trampoline_init): Rename from frv_initialize_trampoline;
5521         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
5522         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
5523         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
5524
5525         * config/h8300/h8300.c (h8300_trampoline_init): New.
5526         (TARGET_TRAMPOLINE_INIT): New.
5527         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
5528         to h8300_trampoline_init and adjust for hook parameters.
5529
5530         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
5531         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
5532         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
5533         make static; adjust for hook parameters.
5534         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
5535
5536         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5537         (TARGET_TRAMPOLINE_INIT): New.
5538         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
5539         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
5540         iq2000_asm_trampoline_template.
5541         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
5542         (TRAMPOLINE_CODE_SIZE): New.
5543         (TRAMPOLINE_SIZE): Use it.
5544         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
5545
5546         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
5547         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
5548         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
5549         adjust for hook parameters.
5550         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
5551
5552         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
5553         (m32r_trampoline_init): New.
5554         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
5555         m32r_trampoline_init.
5556
5557         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
5558         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
5559         make static; update for hook parameters.
5560         * config/m68hc11/m68hc11-protos.h: Update.
5561         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
5562
5563         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5564         (TARGET_TRAMPOLINE_INIT): New.
5565         (mcore_function_value): Fix typo.
5566         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
5567         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
5568         to mcore_asm_trampoline_template.
5569         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
5570
5571         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
5572         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
5573         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
5574         update for hook parameters.
5575         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
5576
5577         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5578         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
5579         mips_trampoline_init): New.
5580         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
5581         mips_asm_trampoline_template.
5582         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
5583         update for hook parameters.
5584
5585         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5586         (TARGET_TRAMPOLINE_INIT): New.
5587         (mmix_trampoline_size): Remove.
5588         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
5589         make static.  Remove out-of-date tetra vs octa comment.
5590         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
5591         make static; update for hook parameters.
5592         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
5593         (INITIALIZE_TRAMPOLINE): Remove.
5594         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
5595         (TRAMPOLINE_ALIGNMENT): New.
5596         * gcc/config/mmix/mmix-protos.h: Update.
5597
5598         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5599         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
5600         mn10300_trampoline_init): New.
5601         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
5602         mn10300_asm_trampoline_template.
5603         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
5604
5605         * config/moxie/moxie.c (moxie_static_chain,
5606         moxie_asm_trampoline_template, moxie_trampoline_init,
5607         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
5608         TARGET_TRAMPOLINE_INIT): New.
5609         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
5610         moxie_trampoline_init.
5611         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
5612         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
5613
5614         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
5615         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
5616         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
5617         pa_trampoline_adjust_address): New.
5618         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
5619         pa_asm_trampoline_template.
5620         (TRAMPOLINE_ALIGNMENT): New.
5621         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
5622         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
5623         adjust for hook parameters.
5624         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
5625
5626         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
5627         (TARGET_TRAMPOLINE_INIT): New.
5628         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
5629         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
5630
5631         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
5632
5633         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
5634         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
5635         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
5636         make static; adjust parameters for the hook.
5637         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
5638
5639         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
5640         s390_trampoline_template; make static.
5641         (s390_trampoline_init): Rename from s390_initialize_trampoline;
5642         make static; adjust for target hook.
5643         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
5644         * config/s390/s390-protos.h: Remove trampoline decls.
5645         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
5646         (TRAMPOLINE_TEMPLATE): Remove.
5647         (TRAMPOLINE_ALIGNMENT): New.
5648
5649         * config/score/score-protos.h (score_initialize_trampoline): Remove.
5650         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5651         (TARGET_TRAMPOLINE_INIT): New.
5652         (score_asm_trampoline_template): New.
5653         (score_trampoline_init): Rename from score_initialize_trampoline;
5654         make static; adjust for hook parameters.
5655         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
5656         score[37]_asm_trampoline_template.
5657         (INITIALIZE_TRAMPOLINE): Remove.
5658         * config/score/score3.c (score3_asm_trampoline_template): New.
5659         (score3_trampoline_init): Rename from score3_initialize_trampoline;
5660         adjust for target hook.
5661         * config/score/score7.c (score7_asm_trampoline_template): New.
5662         (score7_trampoline_init): Rename from score7_initialize_trampoline;
5663         adjust for target hook.
5664         * config/score/score3.h, config/score/score7.h: Update.
5665
5666         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
5667         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
5668         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
5669         (sh_trampoline_init): Rename from sh_initialize_trampoline;
5670         make static; adjust for target hook parameters.
5671         (sh_trampoline_adjust_address): New.
5672         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
5673         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
5674
5675         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
5676         (sparc32_initialize_trampoline): Rename from
5677         sparc_initialize_trampoline; make static; replace tramp parameter
5678         with m_tramp and update memory accesses.
5679         (sparc64_initialize_trampoline): Similarly.
5680         (sparc_trampoline_init): New.
5681         * config/sparc/sparc-protos.h: Remove trampoline decls.
5682         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
5683         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
5684
5685         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
5686         (array_to_constant): Make ARR parameter const.
5687         (spu_trampoline_init): Rename from spu_initialize_trampoline;
5688         make static; update for hook parameters.
5689         * config/spu/spu-protos.h: Update decls.
5690         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
5691
5692         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
5693         from xstormy16_initialize_trampoline; make static; update for
5694         hook parameters.
5695         (TARGET_TRAMPOLINE_INIT): New.
5696         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
5697
5698         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5699         (TARGET_TRAMPOLINE_INIT): New.
5700         (v850_can_eliminate): Make static.
5701         (v850_asm_trampoline_template, v850_trampoline_init): New.
5702         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
5703         v850_asm_trampoline_template.
5704         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
5705         and adjust for target hook parameters.
5706
5707         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5708         (TARGET_TRAMPOLINE_INIT): New.
5709         (vax_asm_trampoline_template, vax_trampoline_init): New.
5710         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
5711         vax_asm_trampoline_template.
5712         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
5713
5714         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
5715         (TARGET_TRAMPOLINE_INIT): New.
5716         (xtensa_asm_trampoline_template): Rename from
5717         xtensa_trampoline_template; make static.
5718         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
5719         make static; update for hook parameters.
5720         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
5721         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
5722         (INITIALIZE_TRAMPOLINE): Remove.
5723
5724         * config/i386/i386.c (ix86_function_regparm): Do not issue an
5725         error for nested functions with regparm=3.
5726         (ix86_compute_frame_layout): Adjust frame pointer offset for
5727         ix86_static_chain_on_stack.
5728         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
5729         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
5730         don't reset to UNITS_PER_WORD.
5731         (ix86_emit_leave): Adjust ix86_cfa_state.
5732         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
5733         (ix86_static_chain): New.
5734         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
5735         make static; update for target hook parameters; use ix86_static_chain.
5736         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
5737         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
5738         (INITIALIZE_TRAMPOLINE): Remove.
5739         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
5740         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
5741         to the end.  Add static_chain_on_stack.
5742         (ix86_static_chain_on_stack): New.
5743
5744         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
5745         (m68k_output_mi_thunk): Don't use static_chain_rtx.
5746         (m68k_trampoline_init): New.
5747         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
5748         m68k_trampoline_init and adjust for hook parameters.
5749         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
5750         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
5751
5752 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
5753
5754         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
5755         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
5756
5757         * reload1.c (reload): Call wrap_constant when substituting
5758         reg for equiv inside of DEBUG_INSNs.
5759
5760         PR bootstrap/41405
5761         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
5762         add_call_src_coords_attributes, add_high_low_attributes,
5763         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
5764         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
5765         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
5766         when -gdwarf-2 -gstrict-dwarf.
5767         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
5768         -gdwarf-[23] -gstrict-dwarf.
5769         (address_of_int_loc_descriptor, loc_descriptor,
5770         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
5771         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
5772         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
5773
5774 2009-09-22  Richard Guenther  <rguenther@suse.de>
5775
5776         PR tree-optimization/41428
5777         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
5778         (ccp_finalize): Pass it to substitute_and_fold.
5779
5780 2009-09-22  Richard Guenther  <rguenther@suse.de>
5781
5782         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
5783         (substitute_and_fold): Adjust prototype.
5784         * tree-vrp.c (vrp_evaluate_conditional): Make static.
5785         (simplify_stmt_using_ranges): Likewise.
5786         (fold_predicate_in): Move here from tree-ssa-propagate.c.
5787         (vrp_fold_stmt): New function.
5788         (vrp_finalize): Pass it to substitute_and_fold.
5789         * tree-flow.h (vrp_evaluate_conditional): Remove.
5790         (simplify_stmt_using_ranges): Likewise.
5791         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
5792         * tree-ssa-copy.c (fini_copy_prop): Likewise.
5793         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
5794         member.
5795         (fold_predicate_in): Move to tree-vrp.c.
5796         (substitute_and_fold): Use the callback instead of calling into
5797         tree-vrp.c functions directly.
5798
5799 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
5800
5801         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
5802         comparison warning on rs6000.
5803
5804         PR middle-end/41429
5805         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
5806         GIMPLE_EH_MUST_NOT_THROW cleanup.
5807         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
5808
5809 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
5810
5811         PR middle-end/41260
5812         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
5813         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
5814         LIB_SPEC for darwin10 and later since it always uses the unwinder in
5815         libSystem which is derived from the gcc 4.2.1 unwinder.
5816
5817 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5818
5819         PR middle-end/41357
5820         * varasm.c (default_encode_section_info): Copy TLS model into
5821         sym_ref flags regardless of backend support for TLS, for all
5822         model types except TLS_MODEL_EMULATED.
5823
5824 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
5825
5826         PR bootstrap/41404
5827         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
5828         we can handle it correctly.
5829
5830 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
5831
5832         * doc/install.texi (os2): Remove section.
5833
5834 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
5835
5836         * doc/standards.texi (Objective-C): Adjust two URLs.
5837
5838 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
5839
5840         * tree-tailcall.c (process_assignment): Don't check if a
5841         multiplication or an addition are already present.
5842         (find_tail_calls): Combine multiple additions and multiplications.
5843         (adjust_accumulator_values): Emit accumulators.
5844
5845 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
5846
5847         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
5848         xmm register restore.
5849
5850 2009-09-21  Jan Hubicka  <jh@suse.cz>
5851
5852         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
5853         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
5854         restore at the end.
5855
5856 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
5857
5858         * stor-layout.c (layout_type): Remove obsolete code.
5859
5860 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
5861
5862         PR middle-end/41395
5863         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
5864
5865 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5866
5867         PR middle-end/30789
5868         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
5869         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
5870         (fold_builtin_2, do_mpc_arg1): Update accordingly.
5871         * fold-const.c (const_binop): Likewise.
5872         * real.h (do_mpc_arg2): Update prototype.
5873
5874 2009-09-20  Jan Hubicka  <jh@suse.cz>
5875
5876         * dwarf2out.c (add_const_value_attribute): Return true if successful.
5877         (add_location_or_const_value_attribute): Rewrite using
5878         loc_list_from_tree.
5879         (tree_add_const_value_attribute): Return true if successful.
5880         (tree_add_const_value_attribute_for_decl): Likewise.
5881
5882         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
5883         (loc_descriptor): ... here;
5884         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
5885         (cst_pool_loc_descr): Break out from ...; do not reffer constant
5886         pool items that was not marked for output.
5887         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
5888         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
5889         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
5890         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
5891         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
5892         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
5893         DW_OP_stack_value to get address of items that are not available
5894         as addresses.
5895         (dw_loc_list): Handle single element lists correctly.
5896
5897 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
5898             Pascal Obry  <obry@adacore.com>
5899
5900         * unwind-dw2-fde.c (classify_object_over_fdes):
5901         Cast the constant 1 to _Unwind_Ptr.
5902         (add_fdes): Likewise.
5903         (linear_search_fdes): Likewise.
5904
5905 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
5906
5907         * stor-layout.c (set_sizetype): Avoid useless type copy.
5908
5909 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
5910
5911         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
5912         feature check.
5913         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
5914         * configure, config.in: Regenerate.
5915         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
5916         DW_EH_PE_absptr.
5917         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
5918         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
5919         for global data if the output could be used in a shared library.
5920         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5921         to 0 if TARGET_WRITABLE_EH_FRAME.
5922
5923 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
5924
5925         PR rtl-optimization/39886
5926         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
5927         just when insn is equal to BB_END (bb).
5928
5929 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
5930
5931         * config/mips/mips.opt (mrelax-pic-calls): New option.
5932         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
5933         the file.
5934         (mips_unspec_call): Change "unspec_call" expander into this.
5935         (mips_strip_unspec_call): New function.
5936         (mips_got_load): Call mips_unspec_call instead of
5937         gen_unspec_call<mode>.
5938         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
5939         MIPS_CALL.
5940         (mips_cfg_in_reorg): New function.
5941         (mips16_lay_out_constants): Use it to decide whether to call
5942         CFG-aware insn splitting.
5943         (r10k_insert_cache_barriers): Move CFG set-up code from here to
5944         mips_reorg.  Move DF set-up code from here ...
5945         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
5946         from here.
5947         (mips_reorg): Call mips_df_reorg instead of
5948         r10k_insert_cache_barriers.  Move CFG set-up code here from
5949         r10k_insert_cache_barriers.
5950         (mips_call_expr_from_insn): New function.
5951         (mips_pic_call_symbol_from_set): Likewise.
5952         (mips_find_pic_call_symbol): Likewise.
5953         (mips_annotate_pic_call_expr): Likewise.
5954         (mips_get_pic_call_symbol): Likewise.
5955         (mips_annotate_pic_calls): Likewise.
5956         (mips_override_options): Disable -mrelax-pic-calls unless PIC
5957         calls are used.
5958         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
5959         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
5960         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
5961         directive.
5962         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
5963         (unspec_call<mode>): Remove it.
5964         (sibcall_internal, sibcall_value_internal,
5965         sibcall_value_multiple_internal, call_internal, call_split,
5966         call_value_internal, call_value_split,
5967         call_value_multiple_internal, call_value_multiple_split): Pass
5968         SIZE_OPNO to MIPS_CALL.
5969         (call_internal_direct, call_direct_split,
5970         call_value_internal_direct, call_value_direct_split): Pass -1 as
5971         SIZE_OPNO to MIPS_CALL.
5972         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
5973         * configure: Regenerate.
5974         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
5975         and -mno-relax-pic-calls.
5976         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
5977
5978 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5979
5980         PR bootstrap/35619
5981         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
5982         in the directory this rule is called from, rather than the
5983         toplevel 'gcc' directory, to fix in-tree build.
5984
5985 2009-09-19  Chris Demetriou  <cgd@google.com>
5986
5987         PR preprocessor/28435:
5988         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
5989         to cpplib that the preprocessor output is needed.
5990
5991 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
5992
5993         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
5994         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
5995         *return_and_restore_fpregs_<mode>,
5996         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
5997
5998         PR bootstrap/41397
5999         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
6000         instead of assuming it has always a REG inside of it.
6001
6002 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
6003
6004         * config/freebsd.h: Update comment on types.
6005         (WINT_TYPE): Define.
6006
6007 2009-09-18  Jason Merrill  <jason@redhat.com>
6008
6009         * c.opt: Add -fno-deduce-init-list.
6010
6011 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
6012
6013         * value-prof.c (interesting_stringop_to_profile_p): Added output
6014         argument to indicate which parameter is the size parameter.
6015         * value-prof.c (gimple_stringop_fixed_value): Use
6016         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
6017         * value-prof.c (gimple_stringops_transform): Update call sites to
6018         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
6019
6020 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
6021
6022         PR target/38288
6023         From David Binderman <dcb314@hotmail.com>:
6024         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
6025         local variable f.  Remove stale comments.
6026         (ix86_compute_frame_layout): Remove useless local variable total_size.
6027         Remove #if 0'd code.
6028         (legitimate_address_p): Remove useless local variables
6029         reason_rtx and reason.
6030         (ix86_split_copysign_const): Remove useless local variable op1.
6031         (scale_counter): Remove useless local variable piece_size_mask.
6032
6033 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
6034
6035         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
6036         output decl.
6037
6038 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
6039
6040         PR target/40913
6041         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
6042
6043 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
6044
6045         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
6046         TYPE_STUB_DECL.
6047
6048 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
6049
6050         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
6051         DW_OP_implicit_value even without dwarf_version 4.
6052
6053 2009-09-17  Jan Hubicka  <jh@suse.cz>
6054
6055         * dwarf2out.c: Include tree-pass.h and gimple.h.
6056         (loc_list_plus_const): New function.
6057         (loc_descriptor_from_tree_1): Rename to ...
6058         (loc_descriptor_from_tree): ... remove original.
6059         (loc_list_from_tree): New function.
6060         (add_AT_location_description): Accept location list.
6061         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
6062         (concatn_mem_loc_descriptor): Remove.
6063         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
6064         returning NULL.
6065         (secname_for_decl): Move up.
6066         (hidden_reference_p): New function; break out from ...
6067         (loc_by_refernece): ... here; move up.
6068         (dw_loc_list): New function.
6069         (single_element_loc_list): New function.
6070         (single_element_loc_list_p): New function.
6071         (add_loc_descr_to_each): New function.
6072         (add_loc_list): New function.
6073         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
6074         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
6075         add diagnostics why expansion failed.
6076         (add_location_or_const_value_attribute): Support location lists.
6077         (add_bound_info): Likewise.
6078         (descr_info_loc): Update call of loc_descriptor_from_tree.
6079         (gen_variable_die): Work on location lists.
6080         * final.c (pass_final): Add dump file.
6081         * Makefile.in (dwarf2out.o): Add new dependencies.
6082
6083 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
6084
6085         PR c/41049
6086         * real.c decimal_from_integer, decimal_integer_string): New.
6087         (real_from_integer): Use them as special case for decimal float.
6088         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
6089         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
6090         Do not append zero after the decimal point in string to convert.
6091
6092 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
6093
6094         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
6095         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
6096
6097 2009-09-17  Martin Jambor  <mjambor@suse.cz>
6098
6099         * common.opt (fipa-sra): New switch.
6100         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
6101         * timevar.def (TV_IPA_SRA): New timevar.
6102         * params.def (ipa-sra-ptr-growth-factor): New parameter.
6103         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
6104         * tree-sra.c: Include cgraph.c.
6105         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
6106         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
6107         and grp_not_necessarilly_dereferenced.
6108         (func_param_count): New variable.
6109         (encountered_apply_args): New variable.
6110         (bb_dereferences): New variable.
6111         (final_bbs): New variable.
6112         (no_accesses_representant): New variable.
6113         (no_accesses_p): New function.
6114         (dump_access): Dump the new fields.
6115         (sra_initialize): Set encountered_apply_args to false.
6116         (get_ssa_base_param): New function.
6117         (mark_parm_dereference): New function.
6118         (create_access): Caring for INIDRECT_REFs and different handling of
6119         varialble length accesses in early IPA SRA.  Store the stmt - a new
6120         parameter - to the new access.
6121         (build_access_from_expr_1): New parameter stmt, passed to
6122         create_access.  Handle INDIRECT_REFs.
6123         (build_access_from_expr): Pass the current statement to
6124         build_access_from_expr_1.
6125         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
6126         passes.
6127         (build_accesses_from_assign): Pass the current statement to
6128         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
6129         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
6130         final_bbs when necessary.  Check for calls to __builtin_apply_args.
6131         Fixup EH info if anythng was changed.
6132         (is_unused_scalar_param): New function.
6133         (ptr_parm_has_direct_uses): New function.
6134         (find_param_candidates): New function.
6135         (mark_maybe_modified): New function.
6136         (analyze_modified_params): New function.
6137         (propagate_dereference_distances): New function.
6138         (dump_dereferences_table): New function.
6139         (analyze_caller_dereference_legality): New function.
6140         (unmodified_by_ref_scalar_representative): New function.
6141         (splice_param_accesses): New function.
6142         (decide_one_param_reduction): New function.
6143         (enum ipa_splicing_result): New type.
6144         (splice_all_param_accesses): New function.
6145         (get_param_index): New function.
6146         (turn_representatives_into_adjustments): New function.
6147         (analyze_all_param_acesses): New function.
6148         (get_replaced_param_substitute): New function.
6149         (get_adjustment_for_base): New function.
6150         (replace_removed_params_ssa_names): New function.
6151         (sra_ipa_reset_debug_stmts): New function.
6152         (sra_ipa_modify_expr): New function.
6153         (sra_ipa_modify_assign): New function.
6154         (convert_callers): New function.
6155         (modify_function): New function.
6156         (ipa_sra_preliminary_function_checks): New function.
6157         (ipa_early_sra): New function.
6158         (ipa_early_sra_gate): New function.
6159         (pass_early_ipa_sra): New variable.
6160         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
6161
6162 2009-09-17  Michael Matz  <matz@suse.de>
6163
6164         PR middle-end/41347
6165         * tree.c (build_type_attribute_qual_variant): Export.
6166         * tree.h (build_type_attribute_qual_variant): Declare.
6167         * tree-inline.c (remap_type_1): Use it to build variants with
6168         the original qualifiers and attributes.
6169
6170 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6171
6172         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
6173         without a fallthrough edge.
6174
6175 2009-09-16  DJ Delorie  <dj@redhat.com>
6176
6177         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
6178         chip and ignore the "fast_interrupt" attribute if so.
6179
6180 2009-09-16  Richard Henderson  <rth@redhat.com>
6181
6182         PR middle-end/41360
6183         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
6184         barrier fix.
6185
6186 2009-09-16  Richard Henderson  <rth@redhat.com>
6187
6188         PR target/41246
6189         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
6190         is set only if DECL_NO_STATIC_CHAIN is unset.
6191         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
6192         (FOR_EACH_NEST_INFO): New.
6193         (walk_all_functions): Use it.
6194         (finalize_nesting_tree): Likewise.
6195         (unnest_nesting_tree): Likewise.
6196         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
6197         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
6198         (convert_gimple_call): Early out if gimple_call_chain already set.
6199         (convert_all_function_calls): Iterate until no new functions
6200         require a static chain.
6201         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
6202         when building a trampoline.  Use dump_function_to_file instead
6203         of dump_function.
6204         (lower_nested_functions): Open dump_file.  Validate that decls
6205         that have DECL_NO_STATIC_CHAIN from the front end don't have that
6206         bit reset by this pass.
6207
6208 2009-09-16  Michael Matz  <matz@suse.de>
6209
6210         PR fortran/41212
6211         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
6212         shorten decl_common_unused.
6213         (DECL_RESTRICTED_P): New accessor.
6214         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
6215         to disambiguate marked decls and restrict pointers.
6216
6217 2009-09-16  Richard Henderson  <rth@redhat.com>
6218
6219         PR middle-end/41360
6220         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
6221
6222 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
6223
6224         * integrate.c (set_block_abstract_flags): Call
6225         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
6226
6227 2009-09-16  Richard Guenther  <rguenther@suse.de>
6228
6229         PR middle-end/34011
6230         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
6231         as non-aliased.
6232
6233 2009-09-16  DJ Delorie  <dj@redhat.com>
6234             Kaz Kojima  <kkojima@gcc.gnu.org>
6235
6236         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
6237         (sh_expand_prologue): Update calls to output_stack_adjust.
6238         (sh_expand_epilogue): Likewise.
6239
6240 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
6241
6242         PR bootstrap/41349
6243         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
6244         trying to limit the extent of searches in the insn stream.
6245
6246 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
6247             Jakub Jelinek  <jakub@redhat.com>
6248
6249         PR target/41175
6250         PR target/40677
6251         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
6252         problem.
6253         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
6254         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
6255         (rs6000_savres_strategy): Always save FP registers inline if the
6256         target doesn't support hardware double-precision.  Set the above
6257         bits in return value when needed.
6258         (rs6000_savres_routine_sym): Fix computation for cache selector.
6259         Mark the generated symbol as a function.  Rename exitp argument to
6260         lr.  Move code for determining the name of the symbol...
6261         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
6262         getting the names right on AIX and 64-bit Linux.
6263         (savres_routine_name): New variable.
6264         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
6265         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
6266         on what the target routine uses as a base register.  If savep && lr
6267         describe saving of r0 into memory slot.
6268         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
6269         line calls for AIX ABI.
6270         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
6271         determine FP save/restore functions.
6272         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
6273         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
6274         gen_addsi3.
6275         (rs6000_emit_epilogue): Adjust computation of restore_lr.
6276         Duplicate restoration of LR and execute the appropriate one
6277         depending on whether GPRs are being restored inline.  Set r11 from
6278         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
6279         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
6280         Fix out of line calls for AIX ABI.
6281         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
6282         New insn.
6283         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
6284         register 11.
6285         (*restore_gpregs_spe): Likewise.
6286         (*return_and_restore_gpregs_spe): Likewise.
6287         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
6288         Define to empty string unconditionally.
6289         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
6290         Define to empty string unconditionally.
6291         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
6292         !TARGET_64BIT.
6293
6294 2009-09-15  Jan Hubicka  <jh@suse.cz>
6295
6296         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
6297         * params.def (inline-insns-auto): Likewise.
6298
6299 2009-09-15  Martin Jambor  <mjambor@suse.cz>
6300
6301         * ipa-inline.c (estimate_function_body_sizes): Dump info about
6302         individual statements only at TDF_DETAILS dump level.  Format
6303         source for 80 characters per line.
6304
6305 2009-09-15  Christian Bruel  <christian.bruel@st.com>
6306
6307         * regrename.c (do_replace): Update REG_DEAD notes.
6308
6309 2009-09-15  Revital Eres  <eres@il.ibm.com>
6310
6311         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
6312         * targhooks.c (default_builtin_support_vector_misalignment):
6313         New builtin function.
6314         * targhooks.h (default_builtin_support_vector_misalignment):
6315         Declare.
6316         * target.h (builtin_support_vector_misalignment):
6317         New field in struct gcc_target.
6318         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
6319         new builtin function.
6320         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
6321         Define.
6322         * config/rs6000/rs6000.c
6323         (rs6000_builtin_support_vector_misalignment): New function.
6324         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
6325
6326 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
6327
6328         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
6329         instead of INSN_P.
6330         (bfin_optimize_loop): Likewise.
6331         (bfin_gen_bundles): Likewise.
6332         (workaround_speculation): Likewise.
6333         (find_load): Return NULL_RTX for debug_insn.
6334
6335 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
6336
6337         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
6338         (sminsf3): Ditto.
6339
6340 2009-09-14  DJ Delorie  <dj@redhat.com>
6341
6342         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
6343         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
6344         VLIW mode.
6345
6346 2009-09-14  Richard Henderson  <rth@redhat.com>
6347             Jakub Jelinek  <jakub@redhat.com>
6348
6349         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
6350         * cfgbuild.c (make_edges): Handle asm goto.
6351         * cfglayout.c (fixup_reorder_chain): Likewise.
6352         * cfgrtl.c (patch_jump_insn): Likewise.
6353         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
6354         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
6355         (gimple_build_asm_vec): Add and use labels parameter.
6356         (gimple_build_asm): Remove.
6357         (walk_gimple_asm): Walk labels too.
6358         * gimple.def (GIMPLE_ASM): Update docs.
6359         * gimple.h: Update decls.
6360         (struct gimple_statement_asm): Change nc to use unsigned char;
6361         add nl member.
6362         (gimple_asm_nlabels): New.
6363         (gimple_asm_label_op, gimple_asm_set_label_op): New.
6364         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
6365         into gimple_build_asm_vec.
6366         * jump.c (mark_jump_label_asm): New.
6367         (mark_jump_label): Use it.
6368         (redirect_jump_1): Handle asm goto.
6369         (invert_jump_1): Soft fail if X is null.
6370         * recog.c (extract_asm_operands): New.
6371         (asm_noperands): Use it; handle asm labels.
6372         (decode_asm_operands): Use extract_asm_operands.
6373         (asm_operand_ok): Properly handle empty string.
6374         * reg-stack.c (get_asm_operands_in_out): Rename from
6375         get_asm_operand_n_inputs; use extract_asm_operands; return both
6376         inputs and outputs by reference; update all callers.
6377         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
6378         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
6379         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
6380         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
6381         (extract_asm_operands): Declare.
6382         * stmt.c (expand_asm_operands): Add and use labels parameter.
6383         (check_unique_operand_names): Likewise.
6384         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
6385         (expand_asm_stmt): Handle asm labels.
6386         * tree-cfg.c (make_gimple_asm_edges): New.
6387         (make_edges): Use it.
6388         (cleanup_dead_labels): Handle asm labels.
6389         (is_ctrl_altering_stmt): Likewise.
6390         (gimple_redirect_edge_and_branch): Likewise.
6391         * tree.def (ASM_EXPR): Add 5th operand.
6392         * tree.h (ASM_LABELS): New.
6393         (resolve_asm_operand_names): Update decl.
6394
6395         * c-parser.c (c_parser_asm_statement): Parse asm goto.
6396         (c_parser_asm_goto_operands): New.
6397         * c-tree.h (build_asm_expr): Update decl.
6398         * c-typeck.c (build_asm_expr): Add and use labels parameter.
6399         * doc/extend.texi: Document asm goto.
6400
6401 2009-09-14  Richard Henderson  <rth@redhat.com>
6402
6403         * except.h: Update declarations.
6404         (struct pointer_map_t): Forward declare.
6405         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
6406         (struct eh_landing_pad_d, eh_landing_pad): New.
6407         (struct eh_catch_d, eh_catch): New.
6408         (struct eh_region_d): Remove next_region_sharing_label, aka,
6409         label, tree_label, landing_pad, post_landing_pad, resume,
6410         may_contain_throw.  Rename region_number to index.  Remove
6411         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
6412         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
6413         (VEC(eh_landing_pad,gc)): New.
6414         (struct eh_status): Remove last_region_number.  Add lp_array,
6415         throw_stmt_table, ttype_data, ehspec_data.
6416         (ehr_next, FOR_ALL_EH_REGION_AT): New.
6417         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
6418         * except.c (lang_protect_cleanup_actions): Return tree.
6419         (struct ehl_map_entry): Remove.
6420         (init_eh_for_function): Push zero entries for region and lp_array.
6421         (gen_eh_region): Add to region_array immediately.
6422         (gen_eh_region_catch): Operate on eh_catch objects.
6423         (gen_eh_landing_pad): New.
6424         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
6425         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
6426         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
6427         (get_eh_landing_pad_from_number_fn): New.
6428         (get_eh_landing_pad_from_number): New.
6429         (get_eh_region_from_lp_number_fn): New.
6430         (get_eh_region_from_lp_number): New.
6431         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
6432         (get_exception_pointer, get_exception_filter): Remove.
6433         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
6434         (current_function_has_exception_handlers): Simplify.
6435         (bring_to_root, eh_region_replaceable_by_p): Remove.
6436         (replace_region, hash_type_list, hash_eh_region): Remove.
6437         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
6438         (label_to_region_map, num_eh_regions): Remove.
6439         (get_next_region_sharing_label, must_not_throw_labels): Remove.
6440         (find_exception_handler_labels): Remove.
6441         (duplicate_eh_regions_0, find_prev_try): Remove.
6442         (struct duplicate_eh_regions_data): New.
6443         (duplicate_eh_regions_1): Rewrite.
6444         (duplicate_eh_regions): Return a pointer map instead of an
6445         integer offset.
6446         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
6447         (redirect_eh_edge_to_label): Remove.
6448         (eh_region_outermost): Rewrite using eh_region pointers
6449         instead of integers.
6450         (add_ttypes_entry): Update for ttype_data move to eh_status.
6451         (add_ehspec_entry): Rewrite with VEC instead of varray.
6452         (assign_filter_values): Likewise.  Export.
6453         (build_post_landing_pads, connect_post_landing_pads): Remove.
6454         (dw2_build_landing_pads): Rewrite to use lp_array.
6455         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
6456         (sjlj_assign_call_site_values): Rewrite to use lp_array.
6457         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
6458         (sjlj_mark_call_sites): Update for landing pad numbers.
6459         (finish_eh_generation): Rewrite.
6460         (gate_handle_eh): Do nothing for no eh tree.
6461         (pass_rtl_eh): Move up near finish_eh_generation.
6462         (remove_eh_landing_pad): New.
6463         (remove_eh_handler): Export.
6464         (remove_eh_region, remove_eh_handler_and_replace): Remove.
6465         (for_each_eh_label): Rewrite to use lp_array.
6466         (make_reg_eh_region_note): New.
6467         (make_reg_eh_region_note_nothrow_nononlocal): New.
6468         (insn_could_throw_p): New.
6469         (copy_reg_eh_region_note_forward): New.
6470         (copy_reg_eh_region_note_backward): New.
6471         (check_handled, add_reachable_handler): Remove.
6472         (reachable_next_level, foreach_reachable_handler): Remove.
6473         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
6474         (get_eh_region_and_lp_from_rtx): New.
6475         (get_eh_region_from_rtx): New.
6476         (can_throw_internal_1, can_throw_external_1): Remove.
6477         (can_throw_internal): Use get_eh_region_from_rtx.
6478         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
6479         (insn_nothrow_p, can_nonlocal_goto): New.
6480         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
6481         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
6482         (add_action_record): Use VEC not varray.
6483         (collect_one_action_chain): Update for eh_region changes.
6484         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
6485         Use get_eh_region_and_lp_from_rtx.
6486         (gate_convert_to_eh_region_ranges): New.
6487         (pass_convert_to_eh_region_ranges): Use it.
6488         (push_uleb128, push_sleb128): Use VEC not varray.
6489         (output_one_function_exception_table): Likewise.
6490         (dump_eh_tree): Update for eh_region changes.
6491         (verify_eh_tree): Likewise.
6492         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
6493         * tree-eh.c: Include target.h.
6494         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
6495         Don't disallow GIMPLE_RESX; adjust argument check.
6496         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
6497         (record_stmt_eh_region): Update for landing pad numbers;
6498         generate a landing pad if necessary.
6499         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
6500         (remove_stmt_from_eh_lp_fn): Similarly.
6501         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
6502         Update for lp numbers; don't special case missing throw_stmt_table.
6503         (lookup_expr_eh_lp): Similarly.
6504         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
6505         (eh_seq, eh_region_may_contain_throw): New.
6506         (struct leh_state): Add ehp_region.
6507         (struct leh_tf_state): Remove eh_label.
6508         (emit_post_landing_pad): New.
6509         (emit_resx, emit_eh_dispatch): New.
6510         (note_eh_region_may_contain_throw): New.
6511         (frob_into_branch_around): Take eh_region not eh label;
6512         emit eh code into eh_seq.
6513         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
6514         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
6515         lower_eh_must_not_throw.  Emit code to eh_seq.
6516         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
6517         (lower_try_finally_onedest): Likewise.
6518         (lower_try_finally_copy): Likewise.
6519         (lower_try_finally_switch): Likewise.
6520         (lower_try_finally): Initialize ehp_region.
6521         (lower_catch): Update for eh_catch objects.
6522         (lower_eh_filter): Don't handle must_not_throw.
6523         (lower_eh_must_not_throw): New.
6524         (lower_cleanup): Don't set eh_label.
6525         (lower_eh_constructs_2): Resolve eh builtins.
6526         Handle GIMPLE_EH_MUST_NOT_THROW.
6527         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
6528         Add eh_seq to the end of the function body.
6529         (make_eh_dispatch_edges): New.
6530         (make_eh_edge): Remove.
6531         (make_eh_edges): Simplify for landing pads.
6532         (redirect_eh_edge_1): New.
6533         (redirect_eh_edge): Use it.
6534         (redirect_eh_dispatch_edge): New.
6535         (stmt_could_throw_p): Use a switch.  Allow RESX.
6536         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
6537         (stmt_can_throw_internal): Likewise.
6538         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
6539         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
6540         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
6541         (gate_refactor_eh): New.
6542         (pass_refactor_eh): Use it.
6543         (lower_resx, execute_lower_resx, pass_lower_resx): New.
6544         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
6545         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
6546         (remove_unreachable_handlers): Rename from
6547         tree_remove_unreachable_handlers; rewrite for landing pads;
6548         call remove_eh_handler directly.
6549         (remove_unreachable_handlers_no_lp): New.
6550         (unsplit_eh, unsplit_all_eh): New.
6551         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
6552         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
6553         (cleanup_empty_eh_unsplit): New.
6554         (cleanup_empty_eh): Rewrite.
6555         (cleanup_all_empty_eh): New.
6556         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
6557         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
6558         (gate_cleanup_eh): New.
6559         (pass_cleanup_eh): Use it.
6560         (verify_eh_edges): Move later in file.  Expect one EH edge.
6561         (verify_eh_dispatch_edge): New.
6562
6563         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
6564         (gtype-desc.o): Add TARGET_H.
6565         (tree.o): Use EXCEPT_H, not except.h.
6566         (cfgbuild.o): Add EXPR_H.
6567         (GTFILES): Add vecprim.h.
6568         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
6569         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
6570         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
6571         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
6572         * calls.c (emit_call_1): Use make_reg_eh_region_note.
6573         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
6574         calls to can_throw_internal.
6575         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
6576         (make_edges): Don't handle RESX; use can_nonlocal_goto.
6577         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
6578         (expand_gimple_stmt): Use make_reg_eh_region_note.
6579         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
6580         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
6581         or find_exception_handler_labels.
6582         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
6583         there is exacly one EH edge.  Use can_nonlocal_goto and
6584         can_throw_internal.
6585         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
6586         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
6587         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
6588         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
6589         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
6590         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
6591         * dse.c (scan_insn): Use insn_could_throw_p.
6592         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
6593         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
6594         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
6595         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
6596         EXC_PTR_EXPR or FILTER_EXPR.
6597         (tree_expr_nonzero_warnv_p): Likewise.
6598         * function.h: Include vecprim.h, not varray.h
6599         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
6600         move ttype_data and ehspec_data members to struct eh_status; change
6601         action_record_data member to a VEC.
6602         * gcse.c (hash_scan_set): Use can_throw_internal.
6603         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
6604         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
6605         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
6606         (block_may_fallthru): Don't handle RESX_EXPR.
6607         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
6608         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
6609         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
6610         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
6611         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
6612         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
6613         (gimple_size): Likewise.
6614         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
6615         (gimple_build_resx): Use gimple_build_with_ops.
6616         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
6617         (is_gimple_val): Likewise.
6618         (is_gimple_stmt): Remove RESX_EXPR.
6619         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
6620         (GIMPLE_RESX): Reorder with other EH constructs.
6621         * gimple.h (struct gimple_statement_eh_mnt): New.
6622         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
6623         (gimple_eh_filter_must_not_throw): Remove.
6624         (gimple_eh_filter_set_must_not_throw): Remove.
6625         (gimple_eh_must_not_throw_fndecl): New.
6626         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
6627         (is_gimple_resx): New.
6628         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
6629         Don't copy EH_FILTER_MUST_NOT_THROW.
6630         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
6631         * ipa-inline.c (estimate_function_body_sizes): Don't try to
6632         handle must_not_throw_labels specially.
6633         * ipa-pure-const.c (check_call): Update debug statement for LP.
6634         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
6635         * ipa-utils.c (get_base_var): Likewise.
6636         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
6637         * lower-subreg.c (move_eh_region_note): Remove.
6638         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
6639         * omp-low.c (new_omp_context): Update for eh_lp_nr.
6640         (create_task_copyfn): Likewise.
6641         (maybe_catch_exception): Use gimple_build_eh_filter.
6642         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
6643         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
6644         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
6645         and pass_lower_resx.
6646         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
6647         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
6648         can_throw_internal, can_nonlocal_goto.
6649         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
6650         copy_reg_eh_region_note_forward.
6651         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
6652         (emit_output_reload_insns): Likewise.
6653         (copy_eh_notes): Remove.
6654         * rtl.def (RESX): Remove.
6655         * rtl.h: Update declarations.
6656         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
6657         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
6658         (update_eh_label): Remove.
6659         (cleanup_dead_labels_eh): New.
6660         (cleanup_deal_labels): Use it instead of update_eh_label.
6661         (gimple_merge_blocks): Update landing pad data structure when
6662         removing a landing pad label.
6663         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
6664         test; handle GIMPLE_EH_MUST_NOT_THROW.
6665         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
6666         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
6667         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
6668         (verify_stmt): Likewise.  Verify landing pads.
6669         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
6670         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
6671         (struct move_stmt_d): Add eh_map.
6672         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
6673         (move_stmt_r): Remap eh region numbers in builtin calls,
6674         resx and eh_dispatch.
6675         (move_block_to_fn): Remove eh_offset parameter.  Use
6676         maybe_duplicate_eh_stmt_fn.
6677         (find_outermost_region_in_block): Operate on eh_region pointers
6678         instead of region numbers.
6679         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
6680         duplicate_eh_regions.
6681         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
6682         test earlier.  Disallow EH landing pads.
6683         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
6684         * tree-flow.h: Update declarations.
6685         (struct tree_ann_common_d): Replace rn with lp_nr.
6686         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
6687         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
6688         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
6689         resx and eh_dispatch.
6690         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
6691         (copy_edges_for_bb): Use make_eh_dispatch_edges.
6692         (copy_cfg_body): Expect eh_map instead of eh_region_offset
6693         from duplicate_eh_regions.
6694         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
6695         update RESX; handle EH_DISPATCH.
6696         (expand_call_inline): Set eh_lp_nr, not eh_region.
6697         (maybe_inline_call_in_expr): Likewise.
6698         * tree-inline.h (struct copy_body_data): Replace eh_region with
6699         eh_lp_nr, eh_region_offset with eh_map.
6700         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
6701         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
6702         * tree-pretty-print.c (dump_generic_node): Don't handle
6703         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
6704         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
6705         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
6706         EXC_PTR_EXPR, FILTER_EXPR.
6707         * tree-ssa-operands.c (get_expr_operands): Likewise.
6708         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
6709         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6710         (ao_ref_init_from_vn_reference): Likewise.
6711         * tree-ssa-sink.c (statement_sink_location): Likewise.
6712         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
6713         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
6714         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
6715         EXC_PTR_EXPR, FILTER_EXPR.
6716         (is_exception_related): Remove.
6717         (compute_avail): Don't call it.
6718         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
6719         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
6720         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
6721         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
6722         Build EH builtins.
6723         (build_resx): Remove.
6724         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
6725         * tree.h: Update declarations.
6726         (EH_FILTER_MUST_NOT_THROW): Remove.
6727         (struct tree_label_decl): Add eh_landing_pad_nr.
6728         (EH_LANDING_PAD_NR): New.
6729         * value-prof.c (gimple_ic): Tidy variable names.  Update for
6730         landing pad numbers.
6731         (gimple_stringop_fixed_value): Tidy variable names.  Assert
6732         that neither call stmt can throw.
6733         * vecprim.h (uchar): New.
6734         (VEC(uchar,heap), VEC(uchar,gc)): New.
6735
6736         * c-common.c (c_define_builtins): Update call to
6737         build_common_builtin_nodes.
6738         * c-parser.c (c_parse_file): Don't call
6739         default_init_unwind_resume_libfunc.
6740
6741 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
6742
6743         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
6744         (mips_cprestore_address_p): Likewise.
6745         (mips_save_gp_to_cprestore_slot): Likewise.
6746         (mips_restore_gp): Rename to...
6747         (mips_restore_gp_from_cprestore_slot): ...this.
6748         (mips_must_initialize_gp_p): Declare.
6749         (mips_emit_save_slot_move): Likewise.
6750         (mips_output_load_label): Return nothing.
6751         (mips_eh_uses): Declare.
6752         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
6753         (TARGET_CPRESTORE_DIRECTIVE): New macro.
6754         (TARGET_ABSOLUTE_JUMPS): Likewise.
6755         (EH_USES): Likewise.
6756         (FIRST_PSEUDO_REGISTER): Update comment.
6757         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
6758         (MIPS_CALL): ...here.
6759         (REGISTER_NAMES): Add $cprestore.
6760         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
6761         Add load_label_length, has_inflexible_gp_insn_p,
6762         has_flexible_gp_insn_p, must_initialize_gp_p and
6763         must_restore_gp_when_clobbered_p.
6764         (mips_expand_call): Don't generate split instructions here.
6765         (mips_split_call): Update the call to mips_restore_gp after
6766         the above name change.
6767         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
6768         (mips_find_gp_ref): New function.
6769         (mips_insn_has_inflexible_gp_ref_p): Likewise.
6770         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
6771         (mips_insn_has_flexible_gp_ref_p): Likewise.
6772         (mips_cfun_has_flexible_gp_ref_p): Likewise.
6773         (mips_function_has_gp_insn): Delete.
6774         (mips_global_pointer): Drop the df_regs_ever_live_p check.
6775         Use the new functions above.  Only return INVALID_REGNUM
6776         for TARGET_ABSOLUTE_JUMPS.
6777         (mips_must_initialize_gp_p): New function.
6778         (mips_get_cprestore_base_and_offset): New function, extracted from...
6779         (mips_cprestore_slot): ...here.  Take a bool parameter.
6780         (mips_cfun_has_cprestore_slot_p): New function.
6781         (mips_cprestore_address_p): Likewise.
6782         (mips_save_gp_to_cprestore_slot): Likewise.
6783         (mips_restore_gp): Rename to...
6784         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
6785         epilogue_completed.  Update the call to mips_cprestore_slot.
6786         Test cfun->machine->must_restore_gp_when_clobbered_p.
6787         (mips_direct_save_slot_move_p): New function.
6788         (mips_emit_save_slot_move): Likewise.
6789         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
6790         of cfun->machine->global_pointer.
6791         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
6792         (mips_save_reg): Use mips_emit_save_slot_move.
6793         (mips_expand_prologue): Set must_initialize_gp_p.
6794         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
6795         for all cprestore saves.  Emit a use_cprestore instruction after
6796         setting up the cprestore slot.
6797         (mips_restore_reg): Use mips_emit_save_slot_move.
6798         (mips_process_load_label): New function.
6799         (mips_load_label_length): Likewise.
6800         (mips_output_load_label): Don't return asm: output it here instead.
6801         Use mips_process_load_label.
6802         (mips_adjust_insn_length): Adjust the length of branch instructions
6803         that have length MAX_PIC_BRANCH_LENGTH.
6804         (mips_output_conditional_branch): Update the call to
6805         mips_output_load_label.  Assume the branch target is OPERANDS[0]
6806         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
6807         (mips_output_order_conditional_branch): Swap the meaning of
6808         OPERANDS[0] and OPERANDS[1].
6809         (mips_variable_issue): Don't count ghost instructions.
6810         (mips_expand_ghost_gp_insns): New function.
6811         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
6812         (mips_output_mi_thunk): Set must_initialize_gp_p.
6813         (mips_eh_uses): New function.
6814         * config/mips/predicates.md (cprestore_save_slot_operand)
6815         (cprestore_load_slot_operand): New predicates.
6816         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
6817         (UNSPEC_MOVE_GP): Likewise.
6818         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
6819         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
6820         (CPRESTORE_SLOT_REGNUM): New register.
6821         (MAX_PIC_BRANCH_LENGTH): New constant.
6822         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
6823         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
6824         branches.  Fix commentary.
6825         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
6826         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
6827         Change type to "ghost".
6828         (loadgp_absolute_<mode>): Likewise.
6829         (loadgp_rtp_<mode>): Likewise.
6830         (copygp_mips16): Likewise.
6831         (loadgp_blockage): Remove redundant mode attribute.
6832         (potential_cprestore): New instruction.
6833         (cprestore): Turn into an unspec set.
6834         (use_cprestore): New instruction.
6835         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
6836         (*branch_fp_inverted): Likewise.
6837         (*branch_order<mode>): Likewise.
6838         (*branch_order<mode>_inverted): Likewise.
6839         (*branch_equality<mode>): Likewise.
6840         (*branch_equality<mode>_inverted): Likewise.
6841         (*branch_bit<bbv><mode>): Likewise.
6842         (*branch_bit<bbv><mode>_inverted): Likewise.
6843         (*branch_equality<mode>_mips16): Remove redundant mode.
6844         (jump): Turn into a define_expand.
6845         (*jump_absolute): New instruction.
6846         (*jump_pic): Likewise.
6847         (*jump_mips16): Rename previously-unnamed pattern.  Remove
6848         redundant mode attribute.
6849         (restore_gp): Split on epilogue_completed rather than
6850         reload_completed.  Change type to "ghost".
6851         (move_gp<mode>): New instruction.
6852         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
6853         Remove redundant mode attribute.
6854         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
6855         (bc1any4f, bc1any2t, bc1any2f): Likewise.
6856         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
6857
6858 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6859
6860         PR target/41210
6861         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
6862         are returned in the same register (vs34 or v2) that Altivec vector
6863         types are returned in.
6864         (rs6000_libcall_value): Ditto.
6865
6866         PR target/41331
6867         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
6868         instead of explicit addsi3/adddi3 calls.
6869         (rs6000_split_multireg_move): Ditto.
6870         (rs6000_emit_allocate_stack): Ditto.
6871         (rs6000_emit_prologue): Ditto.
6872         (rs6000_output_mi_thunk): Ditto.
6873
6874         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
6875         size is 64 bits if we can use 64-bit registers.
6876
6877 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
6878
6879         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
6880         symbols.
6881
6882         From Jie Zhang <jie.zhang@analog.com>:
6883         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
6884         save FP and RETS with saveall attribute.
6885         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
6886         with saveall attribute.
6887
6888         * config/bfin/bfin.c (bfin_expand_builtin,
6889         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
6890         operands.
6891
6892         From Jie Zhang <jie.zhang@analog.com>:
6893         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
6894         before use in two places.
6895         * config/bfin/bfin.md (AREG): Define mode iterator.
6896         (reload_in, reload_out): Use mode iterator AREG.
6897
6898 2009-09-14  Richard Guenther  <rguenther@suse.de>
6899
6900         PR middle-end/41350
6901         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
6902         EH personality path.
6903
6904 2009-09-13  Richard Guenther  <rguenther@suse.de>
6905             Rafael Avila de Espindola  <espindola@google.com>
6906
6907         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
6908         (LANG_HOOKS_EH_PERSONALITY): Likewise.
6909         (LANG_HOOKS_INITIALIZER): Adjust.
6910         (lhd_pass_through_t): Declare.
6911         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
6912         eh_personality.
6913         * langhooks.c (lhd_pass_through_t): New function.
6914         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
6915         dwarf2out_begin_prologue): Use personality from current_function_decl.
6916         * expr.h (get_personality_function): Declare.
6917         * expr.c (get_personality_function): New function.
6918         (build_personality_function): Likewise.
6919         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
6920         (eh_personality_libfunc): Remove.
6921         * optabs.c (build_libfunc_function): New function split out from ...
6922         (init_one_libfunc): ... here.
6923         * tree.h (DECL_FUNCTION_PERSONALITY): New.
6924         (tree_function_decl): Add personality.
6925         (lhd_gcc_personality): Declare.
6926         (build_personality_function): Likewise.
6927         * tree.c (gcc_eh_personality_decl): New.
6928         (lhd_gcc_personality): New function.
6929         * except.h (lang_eh_runtime_type): Remove.
6930         (enum eh_personality_kind): New.
6931         (build_personality_function): Declare.
6932         (function_needs_eh_personality): Declare.
6933         * except.c (lang_eh_runtime_type): Remove.
6934         (function_needs_eh_personality): New function.
6935         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
6936         (sjlj_emit_function_enter, output_function_exception_table):
6937         Use personality from current_function_decl.
6938         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
6939         * tree-inline.c (tree_can_inline_p): Do not inline across different
6940         EH personalities.
6941         (expand_call_inline): Likewise.  Adjust the callers EH personality.
6942         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
6943         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
6944         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
6945         (c-parser.o): Likewise
6946         * c-tree.h (c_eh_initialized_p): Remove.
6947         (c_maybe_initialize_eh): Likewise.
6948         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
6949         (finish_decl): Don't call c_maybe_initialize_eh.
6950         (c_eh_initialized_p): Remove.
6951         (c_maybe_initialize_eh): Likewise.
6952         * c-parser.c (c_parser_omp_construct): Likewise.
6953         (c_parse_file): Initialize exception handling.
6954
6955 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
6956
6957         * config.gcc (tm_file): Remove i386/biarch32.h
6958         for i?86-w64-mingw* case.
6959         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
6960         support.
6961         * config.host: Set for x64 mingw the option
6962         use_long_long_for_widest_fast_int to yes.
6963
6964 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
6965
6966         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6967         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
6968         (dbxout_begin_function): Likewise.
6969         * final.c (dwarf2_debug_info_emitted_p): New predicate.
6970         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
6971         set on the function.
6972         (final_end_function): Likewise.
6973         (final_scan_insn): Likewise.
6974         (rest_of_handle_final): Likewise.
6975         * varasm.c (assemble_start_function): Likewise.
6976         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6977
6978 2009-09-12  Jason Merrill  <jason@redhat.com>
6979
6980         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
6981         * opts.c (common_handle_option): constify.
6982
6983 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
6984
6985         * doc/install.texi (avr): Remove obsolete reference site.
6986
6987 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
6988
6989         * doc/install.texi (Binaries): Adjust AIX link.
6990
6991 2009-09-12  Akim Demaille  <demaille@gostai.com>
6992
6993         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
6994         Use an imperative sentence.
6995
6996 2009-09-11  Richard Henderson  <rth@redhat.com>
6997
6998         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
6999         structure-name and has-tree-operands arguments; update all entries.
7000         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
7001         update all entries.
7002         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
7003         (gsstruct_code_size): New.
7004         (gss_for_code_): New.
7005         (gss_for_code): Remove.
7006         (gimple_size): Rewrite using gsstruct_code_size.
7007         (gimple_statement_structure): Move to gimple.h.
7008         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
7009         (gss_for_code, gimple_statement_structure): New.
7010         (gimple_ops): Use new arrays; tidy.
7011
7012 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7013
7014         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
7015         operand to be a PLUS expression.
7016         * config/pa/pa.c (pa_secondary_reload): Likewise.
7017
7018 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
7019
7020         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
7021
7022         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
7023         XEXP (in_rtx, 8).
7024
7025 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7026
7027         From Jie Zhang <jie.zhang@analog.com>:
7028         * doc/extend.texi (node Function Attributes): Document l2
7029         function attribute.
7030         (node Blackfin Variable Attributes): Document l2 variable attributes.
7031
7032 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
7033
7034         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
7035         to match the system compiler's configuration at inflection point.
7036         Add comment to remark a remaining difference with system compiler.
7037
7038         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
7039         * configure: Regenerate.
7040
7041 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7042
7043         From Jie Zhang <jie.zhang@analog.com>:
7044         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
7045         (bfin_handle_l2_attribute): New.
7046         (bfin_attribute_table): Add l2 attribute.
7047
7048 2009-09-11  Michael Matz  <matz@suse.de>
7049
7050         PR middle-end/41275
7051         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
7052         on the local_decls list.
7053
7054 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
7055
7056         PR debug/41276
7057         PR debug/41307
7058         * cselib.c (cselib_expand_value_rtx_cb): Document callback
7059         interface.
7060         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
7061         for VALUEs, to implement the documented interface.
7062         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
7063         Adjust for VALUEs and anything else, to implement the
7064         documented interface.
7065
7066 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
7067
7068         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
7069         with actual SPE/paired vector modes before using 64-bit alignment.
7070         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
7071
7072 2009-09-10  DJ Delorie  <dj@redhat.com>
7073
7074         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
7075         emitted.
7076
7077         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
7078         * config/mep/mep.c (mep_legitimate_constant_p): New.
7079         * config/mep/mep-protos.h: Prototype it.
7080
7081 2009-09-10  Richard Henderson  <rth@redhat.com>
7082
7083         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
7084
7085 2009-09-10  Jason Merrill  <jason@redhat.com>
7086
7087         * tree.c (chain_index): New fn.
7088         * tree.h: Declare it.
7089
7090 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7091
7092         * config/sol2-c.c (cmn_err_length_specs): Initialize
7093         scalar_identity_flag.
7094
7095 2009-09-10  Richard Henderson  <rth@redhat.com>
7096
7097         * tree.h (struct tree_decl_common): Move align member earlier;
7098         move label_decl_uid member ...
7099         (struct tree_label_decl): ... here.
7100         (LABEL_DECL_UID): Update to match.
7101
7102         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
7103         not TDF_DETAILS.
7104
7105         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
7106         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
7107
7108         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
7109         dest_prev if the edge is complex.
7110
7111         * tree-cfg.c (is_ctrl_stmt): Use a switch.
7112
7113         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
7114         loop latch tests earlier.
7115
7116         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
7117         before GIMPLE_RETURN, not after its predecessor; insert
7118         before GIMPLE_RESX.
7119
7120         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
7121         gimple_seq_empty_p to test for no PHI nodes.
7122         * tree-cfg.c (split_critical_edges): Likewise.
7123
7124         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
7125
7126 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
7127
7128         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
7129         introduced by the VTA branch merge.
7130
7131 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
7132
7133         * ira-conflicts.c: Use fputs or putc instead of fprintf
7134         where appropriate.
7135         * cfg.c: Ditto.
7136         * toplev.c: Ditto.
7137         * tree-switch-conversion.c: Ditto.
7138
7139 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
7140
7141         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
7142         introduced by the VTA branch merge.
7143
7144 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
7145
7146         Revert:
7147         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
7148
7149         PR rtl-optimization/39779
7150         * expr.c (convert_modes): Return when mode == oldmode after
7151         CONST_INTs are processed.
7152
7153 2009-09-10  Nick Clifton  <nickc@redhat.com>
7154
7155         * config/mep/mep.c (mep_encode_section_info): Copy weakness
7156         attribute and referring decl when creating renamed symbol.
7157
7158 2009-09-10  Richard Guenther  <rguenther@suse.de>
7159
7160         PR middle-end/41257
7161         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
7162         reachable nodes.
7163         (cgraph_finalize_compilation_unit): Compute reachability
7164         before emitting thunks.  Properly process aliases before
7165         possibly removing unreachable nodes.
7166
7167 2009-09-10  Richard Guenther  <rguenther@suse.de>
7168
7169         PR middle-end/41254
7170         * tree.c (struct free_lang_data_d): Add worklist member.
7171         (find_decls_types_r): Push onto the worklist instead of recursing.
7172         Handle TREE_BINFOs properly.
7173         (find_decls_types): New function wrapped around find_decls_types_r
7174         to process the worklist.
7175         (find_decls_types_in_eh_region): Use it.
7176         (find_decls_types_in_node): Likewise.
7177         (find_decls_types_in_var): Likewise.
7178         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
7179         * tree.h (RECORD_OR_UNION_TYPE_P): New.
7180         (AGGREGATE_TYPE_P): Adjust.
7181
7182 2009-09-09  Jason Merrill  <jason@redhat.com>
7183
7184         * configure.ac: Check glibc version even if we have an in-tree
7185         assembler.
7186
7187 2009-09-09  Anthony Green  <green@moxielogic.com>
7188
7189         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
7190         the constant 0 when appropriate.
7191         * config/moxie/constraints.md: Add constraint O.
7192
7193         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
7194         to pass up to 6 32-bit argument values in registers.
7195         (moxie_function_arg): Ditto.
7196         (moxie_arg_partial_bytes): Ditto.
7197         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
7198         (REG_PARM_STACK_SPACE): Ditto.
7199         (FUNCTION_ARG_REGNO_P): Ditto.
7200
7201         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
7202         instruction to allocate stack space.
7203
7204 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
7205
7206         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
7207         unnecessarily stringent constraints.  Fix address
7208         calculation in the splitters.
7209
7210 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
7211
7212         PR rtl-optimization/39779
7213         * expr.c (convert_modes): Return when mode == oldmode after
7214         CONST_INTs are processed.
7215
7216 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
7217
7218         PR/41315
7219         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
7220         (ix86_expand_prologue): Take frame.padding0 into logic of
7221         to_allocate checks.
7222         (ix86_expand_epilogue): Likewise.
7223
7224 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
7225
7226         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
7227         New variables.
7228         (SHLIB_LINK, SHLIB_INSTALL): Use them.
7229         * config/t-slibgcc-libgcc: New file.
7230         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
7231
7232 2009-09-09  Martin Jambor  <mjambor@suse.cz>
7233
7234         PR tree-optimization/41089
7235         * tree-sra.c (find_var_candidates): Do not consider va_lists in
7236         early SRA.
7237
7238 2009-09-09  Richard Henderson  <rth@redhat.com>
7239
7240         * gimple.h (CASE_GIMPLE_OMP): New.
7241         (is_gimple_omp): Use it.
7242         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
7243         (verify_gimple_debug): Likewise.
7244
7245 2009-09-09  Richard Guenther  <rguenther@suse.de>
7246
7247         PR tree-optimization/41101
7248         * tree-ssa-pre.c (maximal_set): Remove.
7249         (compute_antic_aux): Treat the maximal set as implicitly all ones.
7250         Defer all blocks we didn't visit at least one successor.
7251         (add_to_exp_gen): Do not add to the maximal set.
7252         (make_values_for_phi): Likewise.
7253         (compute_avail): Likewise.
7254         (init_pre): Do not allocate the maximal set.
7255         (execute_pre): Do not dump it.
7256
7257 2009-09-09  Martin Jambor  <mjambor@suse.cz>
7258
7259         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
7260         an SSA_NAME rather than a is_gimple_variable.
7261
7262 2009-09-09  Richard Guenther  <rguenther@suse.de>
7263
7264         PR middle-end/41317
7265         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
7266         code dealing with plain pointer bases.
7267         (maybe_fold_offset_to_reference): Likewise.
7268         (maybe_fold_stmt_addition): Adjust.
7269
7270 2009-09-09  Richard Guenther  <rguenther@suse.de>
7271
7272         * tree.c (free_lang_data_in_type): Do not free the type variant
7273         chains.
7274         (free_lang_data): Merge char_type_node with its properly signed
7275         variant.
7276         (pass_ipa_free): Collect after freeing language specific data.
7277
7278 2009-09-09  Michael Matz  <matz@suse.de>
7279
7280         PR middle-end/41268
7281         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
7282         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
7283         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
7284         to reflect reality.
7285
7286 2009-09-08  DJ Delorie  <dj@redhat.com>
7287
7288         * config/mep/mep.c (conversions[]): Add "ml" pattern.
7289
7290 2009-09-04  Jason Merrill  <jason@redhat.com>
7291
7292         * tree.c (tree_find_value): Remove.
7293         * tree.h: Remove prototype.
7294         * varasm.c (assemble_external): Use value_member instead.
7295
7296 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7297
7298         * toplev.c (process_options): Choose default debugging type when
7299         gtoggle enables debug info and type is unset.
7300
7301 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7302
7303         PR debug/41276
7304         PR debug/41307
7305         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
7306         invalid subreg.
7307
7308 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7309
7310         * configure: Rebuilt with modified libtool.m4.
7311
7312 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7313
7314         PR debug/41229
7315         PR debug/41291
7316         PR debug/41300
7317         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
7318
7319 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7320
7321         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
7322         (remove_statement): Likewise.
7323         (rewrite_use_nonlinear_expr): Adjust.
7324         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
7325         * tree-ssa.c (release_defs_bitset): ... this.  New.
7326         * tree-flow.h (release_defs_bitset): Declare.
7327
7328 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
7329
7330         PR debug/41232
7331         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
7332         in the middle block.
7333
7334 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
7335
7336         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
7337         via intptr_t to long type.
7338         (insert_operand_rank): Cast long type via intptr_t to
7339         pointer type.
7340         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
7341         pointer to scalar.
7342         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
7343         from pointer to unsigned via uintptr_t.
7344
7345         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
7346         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
7347         and HAVE_INTPTR_T.
7348         * configure: Regenerated.
7349         * config.in: Regenerated
7350         * system.h (stdint.h): Add include.
7351         (inttypes.h): Likewise.
7352         * Makefile.in (aclocal): Add config/stdint.m4.
7353         * aclocal.m4: Regenerated.
7354
7355 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
7356
7357         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
7358         variables.
7359         (note_np_check_stores): New function.
7360         (harmless_null_pointer_p): New function.
7361         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
7362         changed.  Take into account whether we're in the shadow of a condjump
7363         that tested NP_REG for NULL.
7364         Lose all code that tested for SEQUENCEs.
7365         (workaround_speculation): Avoid inserting NOPs for loads that are
7366         either always executed or a NULL pointer.
7367
7368 2009-09-08  Jan Hubicka  <jh@suse.cz>
7369
7370         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
7371         * params.def (early-inlining-insns): Likewise.
7372
7373 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
7374
7375         PR rtl-optimization/41239
7376         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
7377         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
7378         lists.
7379         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
7380         across calls, as the calls might not always return normally.
7381         (call_may_noreturn_p): New function.
7382         (deps_analyze_insn): Update last_function_call_may_noreturn list.
7383         (init_deps): Initialize it.
7384         (remove_from_deps): Also remove calls from
7385         last_function_call_may_noreturn list.
7386
7387 2009-09-07  Richard Henderson  <rth@redhat.com>
7388
7389         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
7390         more VR->OPERANDS than LHS operands.  Free LHS before returning.
7391
7392 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
7393
7394         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
7395         (attr "addrtype"): New member "spreg".
7396         Use it if mem_spfp_address_operand is true for the address.
7397         (attr "type"): New entry "stall".
7398         (cpu_unit "load"): New.
7399         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
7400         "load".
7401         (insn_reservation "loadsp"): New.
7402         (insn_reservation "load_stall1"): New.
7403         (insn_reservation "load_stall3"): New.
7404         (stall): New insn.
7405         * config/bfin/predicates.md (const1_operand, const3_operand): New.
7406         (mem_p_address_operand): Exclude stack and frame pointer based
7407         addresses.
7408         (mem_spfp_address_operand): New; match them here.
7409         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
7410         (bfin_reorg): Call it if scheduling insns.
7411         (bfin_gen_bundles): Remove dummy insns created by
7412         add_sched_insns_for_speculation.
7413
7414         From Jie Zhang <jie.zhang@analog.com>:
7415         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
7416         bfin_si_revision, bfin_workarounds): Move these ...
7417         * config/bfin/bfin.h: ... here.
7418
7419         From Mike Frysinger  <michael.frysinger@analog.com>
7420         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
7421         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
7422         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
7423         bf547m, bf548m, and bf549m.
7424         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
7425         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
7426         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
7427         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
7428         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
7429         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
7430         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
7431         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
7432         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
7433         bf542m, bf544m, bf547m, bf548m, and bf549m.
7434
7435         From Jie Zhang <jie.zhang@analog.com>:
7436         * config/bfin/predicates.md (p_register_operand): New predicate.
7437         (dp_register_operand): New predicate.
7438         * config/bfin/bfin-protos.h (WA_05000074): Define.
7439         (ENABLE_WA_05000074): Define.
7440         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
7441         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
7442         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
7443         (define_attr addrtype): Allow load/store register to be P register.
7444         (define_attr storereg): New.
7445         (define_cpu_unit anomaly_05000074): New.
7446         (define_insn_reservation dsp32shiftimm): New.
7447         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
7448         (define_insn_reservation loadp): Cannot use slot2.
7449         (define_insn_reservation loadsp): Cannot use slot2.
7450         (define_insn_reservation storep): Cannot use slot2. Does not
7451         apply when working around 05000074.
7452         (define_insn_reservation storep_anomaly_05000074): New.
7453         (define_insn_reservation storei): Does not apply when working
7454         around 05000074.
7455         (define_insn_reservation storei_anomaly_05000074): New.
7456         (define_attr length): Add dsp32shiftimm case.
7457         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
7458         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
7459         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
7460         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
7461         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
7462
7463 2009-09-07  Martin Jambor  <mjambor@suse.cz>
7464
7465         PR middle-end/41282
7466         * tree-sra.c (create_artificial_child_access): Return NULL if
7467         build_ref_for_offset fails.
7468         (propagate_subacesses_accross_link): Allow build_ref_for_offset
7469         and create_artificial_child_access to fail.
7470
7471 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7472
7473         PR c++/41214
7474         * unwind-dw2.c (uw_init_context_1): Mark noinline.
7475         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
7476         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
7477
7478 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
7479
7480         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
7481         block, ensure it has an exit edge.  Emit a barrier after a jump.
7482
7483 2009-09-07  Nick Clifton  <nickc@redhat.com>
7484
7485         * gcc.c (this_is_linker_script): New variable.  Like
7486         this_is_library_file but for the %T constructor.
7487         (end_going_arg): If this_is_linker_script is set then locate the
7488         script and insert a --script switch before it
7489         (do_spec_2): Initialise this_is_linker_script.
7490         (do_spec_1): Likewise.  Handle %T construct.
7491         (eval_spec_function): Preserve this_is_linker_script.
7492         * doc/invoke.texi: Document %T construct in spec files.
7493         * config/m32c/m32c.h (LIB_SPEC): Use it.
7494
7495 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7496
7497         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
7498         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
7499         when volatile flag is set.
7500         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
7501
7502 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
7503
7504         PR bootstrap/41241
7505         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
7506         (combine_stack_adjustments_for_block): Allow insns between stack
7507         adjustments and stores with corresponding pre-(dec|inc)rement or
7508         pre-modify operation.
7509
7510 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
7511
7512         PR bootstrap/41241
7513         * combine-stack-adj.c (struct csa_memlist): Rename to...
7514         (struct csa_reflist): ... this.  Rename mem field to ref.
7515         (free_csa_memlist): Rename to...
7516         (free_csa_reflist): ... this.
7517         (record_one_stack_memref): Rename to...
7518         (record_one_stack_ref): ... this.  Handle also REG_P.
7519         (try_apply_stack_adjustment): Handle also REG_P.
7520         (struct record_stack_memrefs_data): Rename to...
7521         (struct record_stack_refs_data): ... this.  Rename memlist field to
7522         reflist.
7523         (record_stack_memrefs): Rename to...
7524         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
7525         subexpressions instead of failing when a MEM contains SP references.
7526         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
7527         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
7528
7529 2009-09-06  Richard Guenther  <rguenther@suse.de>
7530
7531         PR middle-end/41144
7532         * tree.c (build_array_type): Do not record types marked
7533         with structural equality in the canonical type hashtable.
7534
7535 2009-09-06  Richard Guenther  <rguenther@suse.de>
7536
7537         PR middle-end/41261
7538         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
7539
7540 2009-09-05  Richard Guenther  <rguenther@suse.de>
7541
7542         PR middle-end/41181
7543         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
7544
7545 2009-09-05  Richard Guenther  <rguenther@suse.de>
7546
7547         PR debug/41273
7548         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
7549
7550 2009-09-05  Richard Guenther  <rguenther@suse.de>
7551
7552         PR middle-end/41271
7553         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
7554         before comparing function argument types.
7555
7556 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
7557
7558         PR target/41024
7559         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
7560         the assembler.
7561
7562 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
7563
7564         Revert:
7565         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
7566
7567         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
7568         locators before emit_insn is called.
7569
7570 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
7571
7572         PR bootstrap/41241
7573         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
7574         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
7575         (reginfo_init): Don't call allocate_reg_info.
7576
7577 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
7578
7579         PR target/41262
7580         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
7581         NONDEBUG_INSN_P instead of INSN_P.
7582
7583 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7584
7585         PR debug/41225
7586         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
7587
7588 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7589
7590         PR target/41252
7591         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
7592         pattern of the split.
7593
7594 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7595
7596         * toplev.c (process_options): Move setter of flag_var_tracking
7597         before other tests that depend on it.  Move down setter of
7598         flag_rename_registers.  Don't enable var-tracking-assignments
7599         by default if selective scheduling is enabled.  Warn if both
7600         are enabled.
7601
7602 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
7603
7604         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
7605         comment.  Use switch statement to catch overlaps between rtx
7606         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
7607         (IS_DECL_CODE): ... here. Remove.
7608         (check_value_is_not_decl): Remove.
7609         (dv_from_decl, dv_from_value): Check after conversion.
7610
7611 2009-09-04  Richard Guenther  <rguenther@suse.de>
7612
7613         PR middle-end/41257
7614         * (cgraph_finalize_compilation_unit): Move finalizing aliases
7615         after emitting tunks.  Move emitting thunks and ctors from ...
7616         (cgraph_optimize): ... here.  Remove redundant
7617         cgraph_analyze_functions.
7618         * varasm.c (find_decl_and_mark_needed): Remove no longer
7619         necessary check.
7620         (finish_aliases_1): Adjust check for thunk aliases.
7621
7622 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
7623
7624         * config/arm/arm.md (ctzsi2): Added braces
7625         to avoid warning that broke booststrap.
7626
7627 2009-09-04  Martin Jambor  <mjambor@suse.cz>
7628
7629         PR tree-optimization/41112
7630         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
7631         handle variable-bounded arrays.
7632         (expr_with_var_bounded_array_refs_p): New function.
7633         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
7634
7635 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
7636
7637         * config/s390/2097.md: Removed two incorrect bypasses.
7638         (z10_fsimpdf): Fixed latency.
7639         (z10_fhex): New insn_reservation.
7640         (z10_floaddf): Fixed latency.
7641         (z10_floadsf): Fixed latency.
7642         (z10_ftrunctf): Fixed latency.
7643         (z10_ftruncdf): Fixed latency.
7644         * config/s390/s390.c (z10_cost): Fixed values.
7645         (s390_adjust_priority): Added z10 path.
7646         * config/s390/s390.md (type): Added fhex.
7647         (*mov<mode>_64dfp): Updated type attribute.
7648         (*mov<mode>_64): Updated type attribute.
7649         (*mov<mode>_31): Updated type attribute.
7650         (*mov<mode>"): Likewise.
7651         * config/s390/2084.md (x_fsimpdf): Updated condition.
7652
7653 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
7654
7655         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
7656         RTXs in the predicate for operand 1.
7657
7658 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
7659
7660         * config/arm/arm.md (UNSPEC_RBIT): New constant.
7661         (rbitsi2): New insn.
7662         (ctzsi2): New expand.
7663         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
7664
7665 2009-09-03  Martin Jambor  <mjambor@suse.cz>
7666
7667         * tree-sra.c (duplicate_expr_for_different_base): Removed.
7668         (create_artificial_child_access): Use build_ref_for_offset instead
7669         of duplicate_expr_for_different_base.
7670         (propagate_subacesses_accross_link): Likewise.
7671
7672 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
7673
7674         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
7675         of INSN_P.
7676         (mips16e_collect_argument_saves): Skip debug instructions.
7677         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
7678         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
7679         (r10k_insert_cache_barriers): Likewise.
7680         (mips_reorg_process_insns): Likewise.
7681
7682 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
7683
7684         PR bootstrap/41241
7685         * ira.c (update_equiv_reg): Remove check on class likely spill.
7686
7687 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
7688
7689         PR debug/41236
7690         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
7691         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
7692         it or SUBREG.
7693
7694         PR debug/41238
7695         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
7696         the stack slot if it is passed by invisible reference.
7697         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
7698         by invisible reference.
7699
7700 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
7701
7702         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
7703         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
7704         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
7705         0.
7706         * config/bfin/sync.md: New file.
7707         * config/bfin/bfin.md: Include it.
7708         (UNSPEC_ATOMIC): New.
7709         (UNSPEC_ONES): Provide a unique number.
7710
7711         From Jie Zhang <jie.zhang@analog.com>:
7712         * config/bfin/bfin.c (ret_regs): New.
7713         (must_save_fp_p): Don't return true because of frame_pointer_needed.
7714         (must_save_rets_p): New.
7715         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
7716         current_function_is_leaf.
7717         (do_link): Likewise.
7718         (do_unlink): Likewise.
7719         (expand_interrupt_handler_prologue): Use ret_regs array.
7720         (expand_interrupt_handler_epilogue): Use ret_regs array and
7721         pass return register to gen_return_internal.
7722         (bfin_expand_epilogue): Pass return register to
7723         gen_return_internal.
7724         (bfin_expand_call): Explicitly clobber RETS.
7725         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
7726         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
7727         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
7728         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
7729         RETS.
7730         (return_internal): Take a reg rtx rather than the register number.
7731
7732 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
7733
7734         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
7735         when comparing against estimated_loop_iterations_int return.
7736
7737 2009-09-03  Richard Guenther  <rguenther@suse.de>
7738
7739         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
7740         eh_personality_libfunc.
7741
7742 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
7743
7744         * tree-parloops.c (separate_decls_in_region): Add space.
7745
7746 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
7747
7748         * tree-parloops.c (separate_decls_in_region): Change the condition
7749         checking if there are reductions in the loop.
7750
7751 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
7752
7753         PR tree-optimization/38275
7754         * tree-parloops.c (parallelize_loops): Replace profitability condition
7755         for expected number of iterations.
7756
7757 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
7758
7759         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
7760         (bootstrap-debug): Explain conditions in which it becomes default.
7761         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
7762         make it add to it.
7763
7764 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
7765
7766         * doc/invoke.texi (Optimize Options): Move
7767         -finline-small-functions to the -O2 list.
7768
7769 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
7770
7771         * toplev.c (process_options): Enable var-tracking-assignments
7772         by default if var-tracking is enabled.
7773
7774 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
7775
7776         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
7777         barrier.
7778         * emit-rtl.c (prev_nonnote_insn_bb): New function.
7779         * rtl.h (prev_nonnote_insn_bb): Declare it.
7780
7781 2009-09-03  Diego Novillo  <dnovillo@google.com>
7782
7783         * cgraph.c (cgraph_node_for_decl): New.
7784         * cgraph.h (cgraph_node_for_decl): Declare.
7785         * tree.c (host_integerp): Return 0 if T is NULL.
7786
7787 2009-09-03  Diego Novillo  <dnovillo@google.com>
7788
7789         * tree.h (struct alias_pair): Move from varasm.c.
7790         (alias_pairs): Likewise.
7791         (TYPE_MAXVAL): Define.
7792         (TYPE_MINVAL): Define.
7793         (iterative_hash_host_wide_int): Declare.
7794         (remove_unreachable_alias_pairs): Declare.
7795         * tree-pass.h (pass_ipa_free_lang_data): Declare.
7796         * diagnostic.c (default_diagnostic_starter): Make extern.
7797         (default_diagnostic_finalizer): Make extern.
7798         * diagnostic.h (default_diagnostic_starter): Declare.
7799         (default_diagnostic_finalizer): Declare.
7800         (default_tree_printer): Declare.
7801         * toplev.c (default_tree_printer): Make extern.
7802
7803 2009-09-03  Richard Guenther  <rguenther@suse.de>
7804             Diego Novillo  <dnovillo@google.com>
7805
7806         * cgraph.c (cgraph_add_new_function): Remove gimplification.
7807         * cgraphunit.c (cgraph_expand_function): Do not emit
7808         associated thunks from here.
7809         (cgraph_emit_thunks): New.
7810         (cgraph_optimize): Call it.
7811         Return if any IPA pass finds an error.
7812         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
7813         by thunks.
7814
7815 2009-09-03  Simon Baldwin  <simonb@google.com>
7816             Rafael Espindola  <espindola@google.com>
7817             Richard Guenther  <rguenther@suse.de>
7818             Doug Kwan  <dougkwan@google.com>
7819             Diego Novillo  <dnovillo@google.com>
7820
7821         * tree.c: Include tree-pass.h, langhooks-def.h,
7822         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
7823         (free_lang_data_in_type): New.
7824         (need_assembler_name_p): New.
7825         (free_lang_data_in_block): New.
7826         (free_lang_data_in_decl): New.
7827         (struct free_lang_data_d): New.
7828         (add_tree_to_fld_list): New.
7829         (find_decls_types_r): New.
7830         (get_eh_types_for_runtime): New.
7831         (find_decls_types_in_eh_region): New.
7832         (find_decls_types_in_node): New.
7833         (find_decls_types_in_var): New.
7834         (free_lang_data_in_cgraph): New.
7835         (free_lang_data): New.
7836         (gate_free_lang_data): New.
7837         (pass_ipa_free_lang_data): New.
7838
7839 2009-09-03  Diego Novillo  <dnovillo@google.com>
7840
7841         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
7842         * langhooks.h (struct lang_hooks): Add field free_lang_data.
7843         (lang_hooks): Remove const qualifier.
7844         * ipa.c (cgraph_remove_unreachable_nodes): Call
7845         remove_unreachable_alias_pairs.
7846         * except.c (add_type_for_runtime): Check if TYPE has
7847         already been converted.
7848         (lookup_type_for_runtime): Likewise.
7849         (check_handled): Handle converted types.
7850         * varasm.c (remove_unreachable_alias_pairs): New.
7851         * gimple.c: Include demangle.h.
7852         (gimple_decl_printable_name): New.
7853         (gimple_fold_obj_type_ref): New.
7854         * gimple.h (gimple_decl_printable_name): Declare.
7855         (gimple_fold_obj_type_ref): Declare.
7856         * passes.c (init_optimization_passes): Add pass
7857         pass_ipa_free_lang_data.
7858         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
7859         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
7860
7861 2009-09-03  Diego Novillo  <dnovillo@google.com>
7862
7863         * c-lang.c (lang_hooks): Remove const qualifier.
7864
7865 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
7866
7867         * doc/install.texi (*-*-freebsd*): Update target information.
7868
7869 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
7870
7871         * hard-reg-set.h (call_fixed_regs): Remove.
7872         * reginfo.c (call_fixed_regs): Remove.
7873         (init_reg_sets_1): Remove initialization of call_fixed_regs.
7874         (globalize_reg): Don't use call_fixed_regs.
7875         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
7876         call_fixed_regs.
7877
7878 2009-09-01  Michael Matz  <matz@suse.de>
7879
7880         * expr.h (emit_storent_insn, expand_expr_real_1,
7881         expand_expr_real_2): Declare.
7882         * expr.c (emit_storent_insn, expand_expr_real_1,
7883         expand_expr_real_2): Export.
7884         (store_expr): Setting and evaluating dont_return_target is useless.
7885         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
7886         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
7887         * except.c (expand_resx_expr): Rename to ...
7888         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
7889         * except.h (expand_resx_stmt): Declare.
7890         * stmt.c: Add include gimple.h
7891         (expand_asm_expr): Rename to ...
7892         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
7893         (expand_case): Rewrite to take gimple statement.
7894         * tree.h (expand_asm_stmt): Declare.
7895         (expand_case): Change prototype.
7896         * Makefile.in (stmt.o): Depend on gimple.h.
7897         * builtins.c (expand_builtin_synchronize): Build gimple asm
7898         statement, not an ASM_EXPR.
7899         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
7900         gimple_to_tree, release_stmt_tree): Remove.
7901         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
7902         ggc_free, but hold comparison code and operands separately.
7903         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
7904         (expand_call_stmt, expand_gimple_stmt_1,
7905         expand_gimple_stmt): New helpers.
7906         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
7907         release_stmt_tree.  Call expand_gimple_stmt instead.
7908         (expand_gimple_basic_block): Ditto.
7909
7910         * calls.c (emit_call_1): Don't look at EH regions here, make
7911         fntree parameter useless.
7912         (expand_call): New local rettype for TREE_TYPE(exp), use it
7913         throughout.  Remove local p, use addr instead.
7914         Don't look at EH regions here.
7915
7916 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
7917
7918         * doc/invoke.texi (-fsched-pressure): Document it.
7919         (-fsched-reg-pressure-heuristic): Remove it.
7920
7921         * reload.c (ira.h): Include.
7922         (find_reloads): Add choosing reload on number of small spilled
7923         classes.
7924
7925         * haifa-sched.c (ira.h): Include.
7926         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
7927         saved_reg_pressure, curr_reg_live, saved_reg_live,
7928         region_ref_regs): New variables.
7929         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
7930         initiate_reg_pressure_info, setup_ref_regs,
7931         initiate_bb_reg_pressure_info, save_reg_pressure,
7932         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
7933         functions.
7934         (setup_insn_reg_pressure_info): New function.
7935         (rank_for_schedule): Add pressure checking and insn issue time.
7936         Remove comparison of insn reg weights.
7937         (ready_sort): Set insn reg pressure info.
7938         (update_register_pressure, setup_insn_max_reg_pressure,
7939         update_reg_and_insn_max_reg_pressure,
7940         sched_setup_bb_reg_pressure_info): New functions.
7941         (schedule_insn): Add code for printing and updating reg pressure info.
7942         (find_set_reg_weight, find_insn_reg_weight): Remove.
7943         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
7944         (debug_ready_list): Print reg pressure info.
7945         (schedule_block): Ditto.  Check insn issue time.
7946         (sched_init): Set up sched_pressure_p.  Allocate and set up some
7947         reg pressure related info.
7948         (sched_finish): Free some reg pressure related info.
7949         (fix_tick_ready): Make insn always ready if pressure_p.
7950         (init_h_i_d): Don't call find_insn_reg_weight.
7951         (haifa_finish_h_i_d): Free insn reg pressure info.
7952
7953         * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
7954         ira_memory_move_cost, ira_class_hard_regs,
7955         ira_class_hard_regs_num, ira_no_alloc_regs,
7956         ira_available_class_regs, ira_reg_class_cover_size,
7957         ira_reg_class_cover, ira_class_translate): Move to ira.h.
7958
7959         * ira-lives.c (single_reg_class): Check mode to find how many
7960         registers are necessary for operand.
7961         (ira_implicitly_set_insn_hard_regs): New.
7962
7963         * common.opt (fsched-pressure): New options.
7964         (fsched-reg-pressure-heuristic): Remove.
7965
7966         * ira.c (setup_eliminable_regset): Rename to
7967         ira_setup_eliminable_regset.  Make it external.
7968         (expand_reg_info): Pass cover class to setup_reg_classes.
7969         (ira): Call resize_reg_info instead of allocate_reg_info.
7970
7971         * sched-deps.c: Include ira.h.
7972         (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
7973         (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
7974         reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
7975         mark_insn_hard_regno_birth, mark_insn_reg_birth,
7976         mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
7977         mark_insn_reg_store, mark_insn_reg_clobber,
7978         setup_insn_reg_pressure_info): New.
7979         (sched_analyze_1): Update implicit_reg_pending_uses.
7980         (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
7981         Use them to create dependencies.  Set insn reg uses and pressure
7982         info.  Process reg_pending_uses in one place.
7983         (free_deps): Free implicit sets.
7984         (remove_from_deps): Remove implicit sets if necessary.  Check
7985         implicit sets when clearing reg_last_in_use.
7986         (init_deps_global): Clear implicit_reg_pending_clobbers and
7987         implicit_reg_pending_uses.
7988
7989         * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
7990         ira_memory_move_cost, ira_class_hard_regs,
7991         ira_class_hard_regs_num, ira_no_alloc_regs,
7992         ira_available_class_regs, ira_reg_class_cover_size,
7993         ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
7994         (ira_setup_eliminable_regset, ira_set_pseudo_classes,
7995         ira_implicitly_set_insn_hard_regs): New prototypes.
7996
7997         * ira-costs.c (pseudo_classes_defined_p, allocno_p,
7998         cost_elements_num): New variables.
7999         (allocno_costs, total_costs): Rename to costs and
8000         total_allocno_costs.
8001         (COSTS_OF_ALLOCNO): Rename to COSTS.
8002         (allocno_pref): Rename to pref.
8003         (allocno_pref_buffer): Rename to pref_buffer.
8004         (common_classes): Rename to regno_cover_class.
8005         (COST_INDEX): New.
8006         (record_reg_classes): Set allocno attributes only if allocno_p.
8007         (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
8008         (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
8009         and COSTS_OF_ALLOCNO.
8010         (print_costs): Rename to print_allocno_costs.
8011         (print_pseudo_costs): New.
8012         (process_bb_node_for_costs): Split into 2 functions with new
8013         function process_bb_for_costs.  Pass BB to process_bb_for_costs.
8014         (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
8015         new parameter dump_file.  Use cost_elements_num instead of
8016         ira_allocnos_num.  Make one iteration if preferred classes were
8017         already calculated for scheduler.  Make 2 versions of code
8018         depending on allocno_p.
8019         (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
8020         regno_cover_class and COSTS instead of common_classes and
8021         COSTS_OF_ALLOCNO.
8022         (init_costs, finish_costs): New.
8023         (ira_costs): Set up allocno_p and cost_elements_num.  Call
8024         init_costs and finish_costs.
8025         (ira_set_pseudo_classes): New.
8026
8027         * rtl.h (allocate_reg_info): Remove.
8028         (resize_reg_info): Change return type.
8029         (reg_cover_class): New.
8030         (setup_reg_classes): Add new parameter.
8031
8032         * sched-int.h (struct deps_reg): New member implicit_sets.
8033         (sched_pressure_p, sched_regno_cover_class): New external definitions.
8034         (INCREASE_BITS): New macro.
8035         (struct reg_pressure_data, struct reg_use_data): New.
8036         (struct _haifa_insn_data): Remove reg_weight.  Add members
8037         reg_pressure, reg_use_list, reg_set_list, and
8038         reg_pressure_excess_cost_change.
8039         (struct deps): New member implicit_sets.
8040         (pressure_p): New variable.
8041         (COVER_CLASS_BITS, INCREASE_BITS): New macros.
8042         (struct reg_pressure_data, struct reg_use_data): New.
8043         (INSN_REG_WEIGHT): Remove.
8044         (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
8045         INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
8046         (sched_init_region_reg_pressure_info,
8047         sched_setup_bb_reg_pressure_info): New prototypes.
8048
8049         * reginfo.c (struct reg_pref): New member coverclass.
8050         (reg_cover_class): New function.
8051         (reginfo_init, pass_reginfo_init): Move after free_reg_info.
8052         (reg_info_size): New variable.
8053         (allocate_reg_info): Make static.  Setup reg_info_size.
8054         (resize_reg_info): Use reg_info_size.  Return flag of resizing.
8055         (setup_reg_classes): Add a new parameter.  Setup cover class too.
8056
8057         * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
8058         the dependencies.
8059
8060         * sched-rgn.c (deps_join): Set up implicit_sets.
8061         (schedule_region): Set up region and basic blocks pressure
8062         relative info.
8063
8064         * passes.c (init_optimization_passes): Move
8065         pass_subregs_of_mode_init before pass_sched.
8066
8067 2009-09-02  Martin Jambor  <mjambor@suse.cz>
8068
8069         * tree-sra.c (struct access): New field grp_hint.
8070         (dump_access): Dump grp_hint.
8071         (sort_and_splice_var_accesses): Set grp_hint if a group is read
8072         multiple times.
8073         (analyze_access_subtree): Only scalarize accesses with grp_hint set or
8074         those which have been specifically read and somehow written to.
8075         (propagate_subacesses_accross_link): Set grp_hint of right child and
8076         also possibly of the left child.
8077
8078 2009-09-02  Jakub Jelinek  <jakub@redhat.com>
8079
8080         * tree-object-size.c (addr_object_size): Always use object_size_type
8081         0 or 2 when determining the pointer pointed object size.
8082
8083 2009-09-02  Richard Guenther  <rguenther@suse.de>
8084
8085         Revert
8086         2009-08-31  Richard Guenther  <rguenther@suse.de>
8087
8088         * builtins.c (fold_builtin_memory_op): Use the alias oracle
8089         to query if the memory regions for memmove overlap.
8090         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
8091         asserts on pointers, instead deal with odd trees.
8092         (ptr_derefs_may_alias_p): Likewise.
8093         (refs_may_alias_p_1): Constructor bases also never alias.
8094
8095 2009-08-01  Christian Bruel  <christian.bruel@st.com>
8096
8097         Revert:
8098         2009-07-31  Christian Bruel  <christian.bruel@st.com>
8099         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
8100
8101 2009-09-01  Alexandre Oliva  <aoliva@redhat.com>
8102
8103         * doc/invoke.texi (-fvar-tracking-assignments): New.
8104         (-fvar-tracking-assignments-toggle): New.
8105         (-fdump-final-insns=file): Mark filename as optional.
8106         (--param min-nondebug-insn-uid): New.
8107         (-gdwarf-@{version}): Mention version 4.
8108         * opts.c (common_handle_option): Accept it.
8109         * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
8110         * regrename.c (regrename_optimize): Drop last.  Don't count debug
8111         insns as uses.  Don't reject change because of debug insn.
8112         (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
8113         from the chain starter, and check for inexact matches in DEBUG_INSNS.
8114         (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
8115         (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
8116         * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
8117         * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
8118         * doc/gimple.texi (is_gimple_debug): New.
8119         (gimple_debug_bind_p): New.
8120         (is_gimple_call, gimple_assign_cast_p): End sentence with period.
8121         * doc/install.texi (bootstrap-debug): More details.
8122         (bootstrap-debug-big, bootstrap-debug-lean): Document.
8123         (bootstrap-debug-lib): More details.
8124         (bootstrap-debug-ckovw): Update.
8125         (bootstrap-time): New.
8126         * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
8127         (insert_phi_nodes_for): Insert debug stmts.
8128         (rewrite_stmt): Take iterator.  Insert debug stmts.
8129         (rewrite_enter_block): Adjust.
8130         (maybe_replace_use_in_debug_stmt): New.
8131         (rewrite_update_stmt): Use it.
8132         (mark_use_interesting): Return early for debug stmts.
8133         * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
8134         stmts before replacing stmt.
8135         (move_computations_stmt): Likewise.
8136         * ira-conflicts.c (add_copies): Skip debug insns.
8137         * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
8138         (regstat_bb_compute_ri): Skip debug insns.
8139         * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
8140         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
8141         check_loop_closed_ssa_stmt): Skip debug stmts.
8142         * tree-tailcall.c (find_tail_calls): Likewise.
8143         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
8144         * tree.h (MAY_HAVE_DEBUG_STMTS): New.
8145         (build_var_debug_value_stat): Declare.
8146         (build_var_debug_value): Define.
8147         (target_for_debug_bind): Declare.
8148         * reload.c (find_equiv_reg): Skip debug insns.
8149         * rtlanal.c (reg_used_between_p): Skip debug insns.
8150         (side_effects_p): Likewise.
8151         (canonicalize_condition): Likewise.
8152         * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
8153         insns never depend on debug insns.
8154         (create_ddg_dep_no_link): Likewise.
8155         (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
8156         Don't add inter-loop dependencies for debug insns.
8157         (build_intra_loop_deps): Likewise.
8158         (create_ddg): Count debug insns.
8159         * ddg.h (struct ddg::num_debug): New.
8160         (num_backargs): Pair up with previous int field.
8161         * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
8162         -fcompare-debug-second.
8163         * final.c (get_attr_length_1): Skip debug insns.
8164         (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
8165         * gcc.c (invoke_as): Call compare-debug-dump-opt.
8166         (driver_self_specs): Map -fdump-final-insns to
8167         -fdump-final-insns=..
8168         (get_local_tick): New.
8169         (compare_debug_dump_opt_spec_function): Test for . argument and
8170         compute output name.  Compute temp output spec without flag name.
8171         Compute -frandom-seed.
8172         (OPT): Undef after use.
8173         * cfgloopanal.c (num_loop_insns): Skip debug insns.
8174         (average_num_loop_insns): Likewise.
8175         * params.h (MIN_NONDEBUG_INSN_UID): New.
8176         * gimple.def (GIMPLE_DEBUG): New.
8177         * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
8178         * auto-inc-dec.c (merge_in_block): Skip debug insns.
8179         (merge_in_block): Fix whitespace.
8180         * toplev.c (flag_var_tracking): Update comment.
8181         (flag_var_tracking_assignments): New.
8182         (flag_var_tracking_assignments_toggle): New.
8183         (process_options): Don't open final insns dump file if we're not
8184         going to write to it.  Compute defaults for var_tracking.
8185         * df-scan.c (df_insn_rescan_debug_internal): New.
8186         (df_uses_record): Handle debug insns.
8187         * haifa-sched.c (ready): Initialize n_debug.
8188         (contributes_to_priority): Skip debug insns.
8189         (dep_list_size): New.
8190         (priority): Use it.
8191         (rank_for_schedule): Likewise.  Schedule debug insns as soon as
8192         they're ready.  Disregard previous debug insns to make decisions.
8193         (queue_insn): Never queue debug insns.
8194         (ready_add, ready_remove_first, ready_remove): Count debug insns.
8195         (schedule_insn): Don't reject debug insns because of issue rate.
8196         (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
8197         (queue_to_ready): Skip and discount debug insns.
8198         (choose_ready): Let debug insns through.
8199         (schedule_block): Check boundary debug insns.  Discount debug
8200         insns, schedule them early.  Adjust whitespace.
8201         (set_priorities): Check for boundary debug insns.
8202         (add_jump_dependencies): Use dep_list_size.
8203         (prev_non_location_insn): New.
8204         (check_cfg): Use it.
8205         * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
8206         stmts.
8207         (remove_unused_ivs): Reset debug stmts.
8208         * modulo-sched.c (const_iteration_count): Skip debug insns.
8209         (res_MII): Discount debug insns.
8210         (loop_single_full_bb_p): Skip debug insns.
8211         (sms_schedule): Likewise.
8212         (sms_schedule_by_order): Likewise.
8213         (ps_has_conflicts): Likewise.
8214         * caller-save.c (refmarker_fn): New.
8215         (save_call_clobbered_regs): Replace regs with saved mem in
8216         debug insns.
8217         (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
8218         Call refmarker_fn mark for hardregnos.
8219         (mark_reg_as_referenced): New.
8220         (replace_reg_with_saved_mem): New.
8221         * ipa-pure-const.c (check_stmt): Skip debug stmts.
8222         * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
8223         searching back.
8224         (cse_extended_basic_block): Skip debug insns.
8225         (count_reg_usage): Likewise.
8226         (is_dead_reg): New, split out of...
8227         (set_live_p): ... here.
8228         (insn_live_p): Use it for debug insns.
8229         * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
8230         (execute_optimize_stdarg): Likewise.
8231         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
8232         * tree-ssa-propagate.c (substitute_and_fold): Don't regard
8233         changes in debug stmts as changes.
8234         * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
8235         (moveup_expr): Don't move across debug insns.  Don't move
8236         debug insn if it would create a bookkeeping block.
8237         (moveup_expr_cached): Don't use cache for debug insns that
8238         are heads of blocks.
8239         (compute_av_set_inside_bb): Skip debug insns.
8240         (sel_rank_for_schedule): Schedule debug insns first.  Remove
8241         dead code.
8242         (block_valid_for_bookkeeping_p); Support lax searches.
8243         (create_block_for_bookkeeping): Adjust block numbers when
8244         encountering debug-only blocks.
8245         (find_place_for_bookkeeping): Deal with debug-only blocks.
8246         (generate_bookkeeping_insn): Accept no place to insert.
8247         (remove_temp_moveop_nops): New argument full_tidying.
8248         (prepare_place_to_insert): Deal with debug insns.
8249         (advance_state_on_fence): Debug insns don't start cycles.
8250         (update_boundaries): Take fence as argument.  Deal with
8251         debug insns.
8252         (schedule_expr_on_boundary): No full_tidying on debug insns.
8253         (fill_insns): Deal with debug insns.
8254         (track_scheduled_insns_and_blocks): Don't count debug insns.
8255         (need_nop_to_preserve_insn_bb): New, split out of...
8256         (remove_insn_from_stream): ... this.
8257         (fur_orig_expr_not_found): Skip debug insns.
8258         * rtl.def (VALUE): Move up.
8259         (DEBUG_INSN): New.
8260         * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
8261         (nearest_common_dominator_of_uses): Take debug_stmts argument.
8262         Set it if debug stmts are found.
8263         (statement_sink_location): Skip debug stmts.  Propagate
8264         moving defs into debug stmts.
8265         * ifcvt.c (first_active_insn): Skip debug insns.
8266         (last_active_insns): Likewise.
8267         (cond_exec_process_insns): Likewise.
8268         (noce_process_if_block): Likewise.
8269         (check_cond_move_block): Likewise.
8270         (cond_move_convert_if_block): Likewise.
8271         (block_jumps_and_fallthru_p): Likewise.
8272         (dead_or_predicable): Likewise.
8273         * dwarf2out.c (debug_str_hash_forced): New.
8274         (find_AT_string): Add comment.
8275         (gen_label_for_indirect_string): New.
8276         (get_debug_string_label): New.
8277         (AT_string_form): Use it.
8278         (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
8279         MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
8280         discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
8281         several operations that cannot be represented with DWARF opcodes.
8282         (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
8283         dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
8284         (dwarf2out_var_location): Take during-call mark into account.
8285         (output_indirect_string): Update comment.  Output if there are
8286         label and references.
8287         (prune_indirect_string): New.
8288         (prune_unused_types): Call it if debug_str_hash_forced.
8289         More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
8290         (dw_long_long_const): Remove.
8291         (struct dw_val_struct): Change val_long_long type to rtx.
8292         (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
8293         val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
8294         (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
8295         component instead of HOST_BITS_PER_LONG.
8296         (output_loc_operands): Likewise.  For const8* assert
8297         HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
8298         (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
8299         rather than HOST_BITS_PER_LONG is >= 64.
8300         (add_AT_long_long): Remove val_hi and val_lo arguments, add
8301         val_const_double.
8302         (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
8303         HOST_BITS_PER_LONG for dw_val_class_long_long.
8304         (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
8305         handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
8306         (dwarf_stack_op_name): Handle DW_OP_implicit_value and
8307         DW_OP_stack_value.
8308         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
8309         Handle DW_OP_implicit_value.
8310         (extract_int): Move prototype earlier.
8311         (mem_loc_descriptor): For SUBREG punt if inner
8312         mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
8313         and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
8314         EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
8315         UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
8316         (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
8317         instead of Pmode size.
8318         (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
8319         CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
8320         attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
8321         (concat_loc_descriptor, concatn_loc_descriptor,
8322         loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
8323         (add_location_or_const_value_attribute): Likewise.  For single
8324         location loc_lists attempt to use add_const_value_attribute
8325         for constant decls.  Add DW_AT_const_value even if
8326         NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
8327         in its expression.
8328         * cfgbuild.c (inside_basic_block_p): Handle debug insns.
8329         (control_flow_insn_p): Likewise.
8330         * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
8331         (separate_decls_in_region_debug_bind): New.
8332         (separate_decls_in_region): Process debug bind stmts afterwards.
8333         * recog.c (verify_changes): Handle debug insns.
8334         (extract_insn): Likewise.
8335         (peephole2_optimize): Skip debug insns.
8336         * dse.c (scan_insn): Skip debug insns.
8337         * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
8338         Pass it on.
8339         (setup_id_for_insn): Handle debug insns.
8340         (maybe_tidy_empty_bb): Adjust whitespace.
8341         (tidy_control_flow): Skip debug insns.
8342         (sel_remove_insn): Adjust for debug insns.
8343         (sel_estimate_number_of_insns): Skip debug insns.
8344         (create_insn_rtx_from_pattern): Handle debug insns.
8345         (create_copy_of_insn_rtx): Likewise.
8346         * sel-sched-.h (sel_bb_end): Declare.
8347         (sel_bb_empty_or_nop_p): New.
8348         (get_all_loop_exits): Use it.
8349         (_eligible_successor_edge_p): Likewise.
8350         (return_nop_to_pool): Adjust.
8351         * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
8352         * ira-lives.c (process_bb_node_lives): Skip debug insns.
8353         * gimple-pretty-print.c (dump_gimple_debug): New.
8354         (dump_gimple_stmt): Use it.
8355         (dump_bb_header): Skip gimple debug stmts.
8356         * regmove.c (optimize_reg_copy_1): Discount debug insns.
8357         (fixup_match_2): Likewise.
8358         (regmove_backward_pass): Likewise.  Simplify combined
8359         replacement.  Handle debug insns.
8360         * function.c (instantiate_virtual_regs): Handle debug insns.
8361         * function.h (struct emit_status): Add x_cur_debug_insn_uid.
8362         * print-rtl.h: Include cselib.h.
8363         (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
8364         * df.h (df_inns_rescan_debug_internal): Declare.
8365         * gcse.c (alloc_hash_table): Estimate n_insns.
8366         (cprop_insn): Don't regard debug insns as changes.
8367         (bypass_conditional_jumps): Skip debug insns.
8368         (one_pre_gcse_pass): Adjust.
8369         (one_code_hoisting_pass): Likewise.
8370         (compute_ld_motion_mems): Skip debug insns.
8371         (one_cprop_pass): Adjust.
8372         * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
8373         (if_convertible_stmt_p): Handle debug stmts.
8374         * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
8375         * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
8376         * ira-build.c (create_bb_allocnos): Skip debug insns.
8377         * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
8378         (has_single_use): Likewise.
8379         (single_imm_use): Likewise.
8380         (num_imm_uses): Likewise.
8381         * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
8382         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
8383         (create_outofssa_var_map): Likewise.
8384         * lower-subreg.c (adjust_decomposed_uses): New.
8385         (resolve_debug): New.
8386         (decompose_multiword_subregs): Use it.
8387         * tree-dfa.c (find_referenced_vars): Skip debug stmts.
8388         * emit-rtl.c: Include params.h.
8389         (cur_debug_insn_uid): Define.
8390         (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
8391         (copy_rtx_if_shared_1): Handle debug insns.
8392         (reset_used_flags): Likewise.
8393         (set_used_flags): LIkewise.
8394         (get_max_insn_count): New.
8395         (next_nondebug_insn): New.
8396         (prev_nondebug_insn): New.
8397         (make_debug_insn_raw): New.
8398         (emit_insn_before_noloc): Handle debug insns.
8399         (emit_jump_insn_before_noloc): Likewise.
8400         (emit_call_insn_before_noloc): Likewise.
8401         (emit_debug_insn_before_noloc): New.
8402         (emit_insn_after_noloc): Handle debug insns.
8403         (emit_jump_insn_after_noloc): Likewise.
8404         (emit_call_insn_after_noloc): Likewise.
8405         (emit_debug_insn_after_noloc): Likewise.
8406         (emit_insn_after): Take loc from earlier non-debug insn.
8407         (emit_jump_insn_after): Likewise.
8408         (emit_call_insn_after): Likewise.
8409         (emit_debug_insn_after_setloc): New.
8410         (emit_debug_insn_after): New.
8411         (emit_insn_before): Take loc from later non-debug insn.
8412         (emit_jump_insn_before): Likewise.
8413         (emit_call_insn_before): Likewise.
8414         (emit_debug_insn_before_setloc): New.
8415         (emit_debug_insn_before): New.
8416         (emit_insn): Handle debug insns.
8417         (emit_debug_insn): New.
8418         (emit_jump_insn): Handle debug insns.
8419         (emit_call_insn): Likewise.
8420         (emit): Likewise.
8421         (init_emit): Take min-nondebug-insn-uid into account.
8422         Initialize cur_debug_insn_uid.
8423         (emit_copy_of_insn_after): Handle debug insns.
8424         * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
8425         location of single rhs in place.
8426         (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
8427         (floor_sdiv_adjust): New.
8428         (cell_sdiv_adjust): New.
8429         (cell_udiv_adjust): New.
8430         (round_sdiv_adjust): New.
8431         (round_udiv_adjust): New.
8432         (wrap_constant): Moved from cselib.
8433         (unwrap_constant): New.
8434         (expand_debug_expr): New.
8435         (expand_debug_locations): New.
8436         (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
8437         debug bind stmts.
8438         (gimple_expand_cfg): Expand debug locations.
8439         * cselib.c: Include tree-pass.h.
8440         (struct expand_value_data): New.
8441         (cselib_record_sets_hook): New.
8442         (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
8443         (cselib_clear_table): Move, and implemnet in terms of...
8444         (cselib_reset_table_with_next_value): ... this.
8445         (cselib_get_next_unknown_value): New.
8446         (discard_useless_locs): Don't discard preserved values.
8447         (cselib_preserve_value): New.
8448         (cselib_preserved_value_p): New.
8449         (cselib_preserve_definitely): New.
8450         (cselib_clear_preserve): New.
8451         (cselib_preserve_only_values): New.
8452         (new_cselib_val): Take rtx argument.  Dump it in details.
8453         (cselib_lookup_mem): Adjust.
8454         (expand_loc): Take regs_active in struct.  Adjust.  Silence
8455         dumps unless details are requested.
8456         (cselib_expand_value_rtx_cb): New.
8457         (cselib_expand_value_rtx): Rename and reimplment in terms of...
8458         (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
8459         without details.  Copy more subregs.  Try to resolve values
8460         using a callback.  Wrap constants.
8461         (cselib_subst_to_values): Adjust.
8462         (cselib_log_lookup): New.
8463         (cselib_lookup): Call it.
8464         (cselib_invalidate_regno): Don't count preserved values as useless.
8465         (cselib_invalidate_mem): Likewise.
8466         (cselib_record_set): Likewise.
8467         (struct set): Renamed to cselib_set, moved to cselib.h.
8468         (cselib_record_sets): Adjust.  Call hook.
8469         (cselib_process_insn): Reset table when it would be cleared.
8470         (dump_cselib_val): New.
8471         (dump_cselib_table): New.
8472         * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
8473         (remove_forwarder_block): Support moving debug stmts.
8474         * cselib.h (cselib_record_sets_hook): Declare.
8475         (cselib_expand_callback): New type.
8476         (cselib_expand_value_rtx_cb): Declare.
8477         (cselib_reset_table_with_next_value): Declare.
8478         (cselib_get_next_unknown_value): Declare.
8479         (cselib_preserve_value): Declare.
8480         (cselib_preserved_value_p): Declare.
8481         (cselib_preserve_only_values): Declare.
8482         (dump_cselib_table): Declare.
8483         * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
8484         (try_crossjump_to_edge): Likewise.
8485         (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
8486         dominated blocks when debug stmts are present.
8487         * simplify-rtx.c (delegitimize_mem_from_attrs): New.
8488         * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
8489         (set_var_live_on_entry): Likewise.
8490         * loop-invariant.c (find_invariants_bb): Skip debug insns.
8491         * cfglayout.c (curr_location, last_location): Make static.
8492         (set_curr_insn_source_location): Don't avoid bouncing.
8493         (get_curr_insn_source_location): New.
8494         (get_curr_insn_block): New.
8495         (duplicate_insn_chain): Handle debug insns.
8496         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
8497         into debug stmts.
8498         * common.opt (fcompare-debug): Move to sort order.
8499         (fdump-unnumbered-links): Likewise.
8500         (fvar-tracking-assignments): New.
8501         (fvar-tracking-assignments-toggle): New.
8502         * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
8503         because of debug stmts.
8504         (mark_stmt_if_obviously_necessary): Mark debug stmts.
8505         (eliminate_unnecessary_stmts): Walk dominated blocks before
8506         dominators.
8507         * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
8508         * ira.c (memref_used_between_p): Skip debug insns.
8509         (update_equiv_regs): Likewise.
8510         * sched-deps.c (sd_lists_size): Accept empty list.
8511         (sd_init_insn): Mark debug insns.
8512         (sd_finish_insn): Unmark them.
8513         (sd_add_dep): Reject non-debug deps on debug insns.
8514         (fixup_sched_groups): Give debug insns group treatment.
8515         Skip debug insns.
8516         (sched_analyze_reg): Don't mark debug insns for sched before call.
8517         (sched_analyze_2): Handle debug insns.
8518         (sched_analyze_insn): Compute next non-debug insn.  Handle debug
8519         insns.
8520         (deps_analyze_insn): Handle debug insns.
8521         (deps_start_bb): Skip debug insns.
8522         (init_deps): Initialize last_debug_insn.
8523         * tree-ssa.c (target_for_debug_bind): New.
8524         (find_released_ssa_name): New.
8525         (propagate_var_def_into_debug_stmts): New.
8526         (propagate_defs_into_debug_stmts): New.
8527         (verify_ssa): Skip debug bind stmts without values.
8528         (warn_uninialized_vars): Skip debug stmts.
8529         * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
8530         * rtl.c (rtx_equal_p_cb): Handle VALUEs.
8531         (rtx_equal_p): Likewise.
8532         * ira-costs.c (scan_one_insn): Skip debug insns.
8533         (process_bb_node_for_hard_reg_moves): Likewise.
8534         * rtl.h (DEBUG_INSN_P): New.
8535         (NONDEBUG_INSN_P): New.
8536         (MAY_HAVE_DEBUG_INSNS): New.
8537         (INSN_P): Accept debug insns.
8538         (RTX_FRAME_RELATED_P): Likewise.
8539         (INSN_DELETED_P): Likewise
8540         (PAT_VAR_LOCATION_DECL): New.
8541         (PAT_VAR_LOCATION_LOC): New.
8542         (PAT_VAR_OCATION_STATUS): New.
8543         (NOTE_VAR_LOCATION_DECL): Reimplement.
8544         (NOTE_VAR_LOCATION_LOC): Likewise.
8545         (NOTE_VAR_LOCATION_STATUS): Likewise.
8546         (INSN_VAR_LOCATION): New.
8547         (INSN_VAR_LOCATION_DECL): New.
8548         (INSN_VAR_LOCATION_LOC): New.
8549         (INSN_VAR_LOCATION_STATUS): New.
8550         (gen_rtx_UNKNOWN_VAR_LOC): New.
8551         (VAR_LOC_UNKNOWN_P): New.
8552         (NOTE_DURING_CALL_P): New.
8553         (SCHED_GROUP_P): Accept debug insns.
8554         (emit_debug_insn_before): Declare.
8555         (emit_debug_insn_before_noloc): Declare.
8556         (emit_debug_insn_beore_setloc): Declare.
8557         (emit_debug_insn_after): Declare.
8558         (emit_debug_insn_after_noloc): Declare.
8559         (emit_debug_insn_after_setloc): Declare.
8560         (emit_debug_insn): Declare.
8561         (make_debug_insn_raw): Declare.
8562         (prev_nondebug_insn): Declare.
8563         (next_nondebug_insn): Declare.
8564         (delegitimize_mem_from_attrs): Declare.
8565         (get_max_insn_count): Declare.
8566         (wrap_constant): Declare.
8567         (unwrap_constant): Declare.
8568         (get_curr_insn_source_location): Declare.
8569         (get_curr_insn_block): Declare.
8570         * tree-inline.c (insert_debug_decl_map): New.
8571         (processing_debug_stmt): New.
8572         (remap_decl): Don't create new mappings in debug stmts.
8573         (remap_gimple_op_r): Don't add references in debug stmts.
8574         (copy_tree_body_r): Likewise.
8575         (remap_gimple_stmt): Handle debug bind stmts.
8576         (copy_bb): Skip debug stmts.
8577         (copy_edges_for_bb): Likewise.
8578         (copy_debug_stmt): New.
8579         (copy_debug_stmts): New.
8580         (copy_body): Copy debug stmts at the end.
8581         (insert_init_debug_bind): New.
8582         (insert_init_stmt): Take id.  Skip and emit debug stmts.
8583         (setup_one_parameter): Remap variable earlier, register debug mapping.
8584         (estimate_num_insns): Skip debug stmts.
8585         (expand_call_inline): Preserve debug_map.
8586         (optimize_inline_calls): Check for no debug_stmts left-overs.
8587         (unsave_expr_now): Preserve debug_map.
8588         (copy_gimple_seq_and_replace_locals): Likewise.
8589         (tree_function_versioning): Check for no debug_stmts left-overs.
8590         Init and destroy debug_map as needed.  Split edges unconditionally.
8591         (build_duplicate_type): Init and destroy debug_map as needed.
8592         * tree-inline.h: Include gimple.h instead of pointer-set.h.
8593         (struct copy_body_data): Add debug_stmts and debug_map.
8594         * sched-int.h (struct ready_list): Add n_debug.
8595         (struct deps): Add last_debug_insn.
8596         (DEBUG_INSN_SCHED_P): New.
8597         (BOUNDARY_DEBUG_INSN_P): New.
8598         (SCHEDULE_DEBUG_INSN_P): New.
8599         (sd_iterator_cond): Accept empty list.
8600         * combine.c (create_log_links): Skip debug insns.
8601         (combine_instructions): Likewise.
8602         (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
8603         return value is always unshared.
8604         (struct rtx_subst_pair): New.
8605         (auto_adjust_pair): New.
8606         (propagate_for_debug_subst): New.
8607         (propagate_for_debug): New.
8608         (try_combine): Skip debug insns.  Propagate removed defs into
8609         debug insns.
8610         (next_nonnote_nondebug_insn): New.
8611         (distribute_notes): Use it.  Skip debug insns.
8612         (distribute_links): Skip debug insns.
8613         * tree-outof-ssa.c (set_location_for_edge): Likewise.
8614         * resource.c (mark_target_live_regs): Likewise.
8615         * var-tracking.c: Include cselib.h and target.h.
8616         (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
8617         MO_VAL_SET.
8618         (micro_operation_type_name): New.
8619         (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
8620         (struct micro_operation_def): Update comments.
8621         (decl_or_value): New type.  Use instead of decls.
8622         (struct emit_note_data_def): Add vars.
8623         (struct attrs_def): Use decl_or_value.
8624         (struct variable_tracking_info_def): Add permp, flooded.
8625         (struct location_chain_def): Update comment.
8626         (struct variable_part_def): Use decl_or_value.
8627         (struct variable_def): Make var_part a variable length array.
8628         (valvar_pool): New.
8629         (scratch_regs): New.
8630         (cselib_hook_called): New.
8631         (dv_is_decl_p): New.
8632         (dv_is_value_p): New.
8633         (dv_as_decl): New.
8634         (dv_as_value): New.
8635         (dv_as_opaque): New.
8636         (dv_onepart_p): New.
8637         (dv_pool): New.
8638         (IS_DECL_CODE): New.
8639         (check_value_is_not_decl): New.
8640         (dv_from_decl): New.
8641         (dv_from_value): New.
8642         (dv_htab_hash): New.
8643         (variable_htab_hash): Use it.
8644         (variable_htab_eq): Support values.
8645         (variable_htab_free): Free from the right pool.
8646         (attrs_list_member, attrs_list_insert): Use decl_or_value.
8647         (attrs_list_union): Adjust.
8648         (attrs_list_mpdv_union): New.
8649         (tie_break_pointers): New.
8650         (canon_value_cmp): New.
8651         (unshare_variable): Return possibly-modified slot.
8652         (vars_copy_1): Adjust.
8653         (var_reg_decl_set): Adjust.  Split out of...
8654         (var_reg_set): ... this.
8655         (get_init_value): Adjust.
8656         (var_reg_delete_and_set): Adjust.
8657         (var_reg_delete): Adjust.
8658         (var_regno_delete): Adjust.
8659         (var_mem_decl_set): Split out of...
8660         (var_mem_set): ... this.
8661         (var_mem_delete_and_set): Adjust.
8662         (var_mem_delete): Adjust.
8663         (val_store): New.
8664         (val_reset): New.
8665         (val_resolve): New.
8666         (variable_union): Adjust.  Speed up merge of 1-part vars.
8667         (variable_canonicalize): Use unshared slot.
8668         (VALUED_RECURSED_INTO): New.
8669         (find_loc_in_1pdv): New.
8670         (struct dfset_merge): New.
8671         (insert_into_intersection): New.
8672         (intersect_loc_chains): New.
8673         (loc_cmp): New.
8674         (canonicalize_loc_order_check): New.
8675         (canonicalize_values_mark): New.
8676         (canonicalize_values_star): New.
8677         (variable_merge_over_cur): New.
8678         (variable_merge_over_src): New.
8679         (dataflow_set_merge): New.
8680         (dataflow_set_equiv_regs): New.
8681         (remove_duplicate_values): New.
8682         (struct dfset_post_merge): New.
8683         (variable_post_merge_new_vals): New.
8684         (variable_post_merge_perm_vals): New.
8685         (dataflow_post_merge_adjust): New.
8686         (find_mem_expr_in_1pdv): New.
8687         (dataflow_set_preserve_mem_locs): New.
8688         (dataflow_set_remove_mem_locs): New.
8689         (dataflow_set_clear_at_call): New.
8690         (onepart_variable_different_p): New.
8691         (variable_different_p): Use it.
8692         (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
8693         (track_expr_p): Add need_rtl parameter.  Don't generate rtl
8694         if not needed.
8695         (track_loc_p): Pass it true.
8696         (struct count_use_info): New.
8697         (find_use_val): New.
8698         (replace_expr_with_values): New.
8699         (log_op_type): New.
8700         (use_type): New, partially split out of...
8701         (count_uses): ... this.  Count new micro-ops.
8702         (count_uses_1): Adjust.
8703         (count_stores): Adjust.
8704         (count_with_sets): New.
8705         (VAL_NEEDS_RESOLUTION): New.
8706         (VAL_HOLDS_TRACK_EXPR): New.
8707         (VAL_EXPR_IS_COPIED): New.
8708         (VAL_EXPR_IS_CLOBBERED): New.
8709         (add_uses): Adjust.  Generate new micro-ops.
8710         (add_uses_1): Adjust.
8711         (add_stores): Generate new micro-ops.
8712         (add_with_sets): New.
8713         (find_src_status): Adjust.
8714         (find_src_set_src): Adjust.
8715         (compute_bb_dataflow): Use dataflow_set_clear_at_call.
8716         Handle new micro-ops.  Canonicalize value equivalances.
8717         (vt_find_locations): Compute total size of hash tables for
8718         dumping.  Perform merge for var-tracking-assignments.  Don't
8719         disregard single-block loops.
8720         (dump_attrs_list): Handle decl_or_value.
8721         (dump_variable): Take variable.  Deal with decl_or_value.
8722         (dump_variable_slot): New.
8723         (dump_vars): Use it.
8724         (dump_dataflow_sets): Adjust.
8725         (set_slot_part): New, extended to support one-part variables
8726         after splitting out of...
8727         (set_variable_part): ... this.
8728         (clobber_slot_part): New, split out of...
8729         (clobber_variable_part): ... this.
8730         (delete_slot_part): New, split out of...
8731         (delete_variable_part): .... this.
8732         (check_wrap_constant): New.
8733         (vt_expand_loc_callback): New.
8734         (vt_expand_loc): New.
8735         (emit_note_insn_var_location): Adjust.  Handle values.  Handle
8736         EMIT_NOTE_AFTER_CALL_INSN.
8737         (emit_notes_for_differences_1): Adjust.  Handle values.
8738         (emit_notes_for_differences_2): Likewise.
8739         (emit_notes_for_differences): Adjust.
8740         (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
8741         Adjust.  Handle new micro-ops.
8742         (vt_add_function_parameters): Adjust.  Create and bind values.
8743         (vt_initialize): Adjust.  Initialize scratch_regs and
8744         valvar_pool, flooded and perm..  Initialize and use cselib.  Log
8745         operations.  Move some code to count_with_sets and add_with_sets.
8746         (delete_debug_insns): New.
8747         (vt_debug_insns_local): New.
8748         (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
8749         cselib.
8750         (var_tracking_main): If var-tracking-assignments is enabled
8751         but var-tracking isn't, delete debug insns and leave.  Likewise
8752         if we exceed limits or fail the stack adjustments tests, and
8753         after all var-tracking processing.
8754         More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
8755         (dataflow_set): Add traversed_vars.
8756         (value_chain, const_value_chain): New typedefs.
8757         (value_chain_pool, value_chains): New variables.
8758         (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
8759         add_value_chains, add_cselib_value_chains, remove_value_chain,
8760         remove_value_chains, remove_cselib_value_chains): New functions.
8761         (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
8762         shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
8763         static inlines.
8764         (shared_hash_find_slot_unshare, shared_hash_find_slot,
8765         shared_hash_find_slot_noinsert, shared_hash_find): Update.
8766         (dst_can_be_shared): New variable.
8767         (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
8768         Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
8769         different from set->vars, look up slot again instead of using the
8770         passed in slot.
8771         (dataflow_set_init): Initialize traversed_vars.
8772         (variable_union): Use shared_hash_*.  Use initially NO_INSERT
8773         lookup if set->vars is shared.  Don't keep slot cleared before
8774         calling unshare_variable.  Unshare set->vars if needed.  Adjust
8775         unshare_variable callers.  Clear dst_can_be_shared if needed.
8776         Even ->refcount == 1 vars must be unshared if set->vars is shared
8777         and var needs to be modified.
8778         (dataflow_set_union): Set traversed_vars during canonicalization.
8779         (VALUE_CHANGED, DECL_CHANGED): Define.
8780         (set_dv_changed, dv_changed_p): New static inlines.
8781         (track_expr_p): Clear DECL_CHANGED.
8782         (dump_dataflow_sets): Set it.
8783         (variable_was_changed): Call set_dv_changed.
8784         (emit_note_insn_var_location): Likewise.
8785         (changed_variables_stack): New variable.
8786         (check_changed_vars_1, check_changed_vars_2): New functions.
8787         (emit_notes_for_changes): Do nothing if changed_variables is
8788         empty.  Traverse changed_variables with check_changed_vars_1,
8789         call check_changed_vars_2 on each changed_variables_stack entry.
8790         (emit_notes_in_bb): Add SET argument.  Just clear it at the
8791         beginning, use it instead of local &set, don't destroy it at the end.
8792         (vt_emit_notes): Call dataflow_set_clear early on all
8793         VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
8794         computed set, dataflow_set_clear also VTI(bb)->in when we are
8795         done with the basic block.  Initialize changed_variables_stack,
8796         free it afterwards.  If ENABLE_CHECKING verify that after noting
8797         differences to an empty set value_chains hash table is empty.
8798         (vt_initialize): Initialize value_chains and value_chain_pool.
8799         (vt_finalize): Delete value_chains htab, free value_chain_pool.
8800         (variable_tracking_main): Call dump_dataflow_sets before calling
8801         vt_emit_notes, not after it.
8802         * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
8803         (propagate_var_def_into_debug_stmts): Declare.
8804         * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
8805         (df_set_note): Reject debug insns.
8806         (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
8807         add notes to debug insns.
8808         (df_note_bb_compute): Adjust.  Likewise.
8809         (df_simulate_uses): Skip debug insns.
8810         (df_simulate_initialize_backwards): Likewise.
8811         * reg-stack.c (subst_stack_regs_in_debug_insn): New.
8812         (subst_stack_regs_pat): Reject debug insns.
8813         (convert_regs_1): Handle debug insns.
8814         * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
8815         (print-rtl.o): Depend on cselib.h.
8816         (cselib.o): Depend on TREE_PASS_H.
8817         (var-tracking.o): Depend on cselib.h and TARGET_H.
8818         * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
8819         (init_ready_list): Skip boundary debug insns.
8820         (add_branch_dependences): Skip debug insns.
8821         (free_block_dependencies): Check for blocks with only debug insns.
8822         (compute_priorities): Likewise.
8823         * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
8824         (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
8825         all callers.
8826         (gimple_build_debug_bind_stat): New.
8827         (empty_body_p): Skip debug stmts.
8828         (gimple_has_side_effects): Likewise.
8829         (gimple_rhs_has_side_effects): Likewise.
8830         * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
8831         (gimple_build_debug_bind_stat): Declare.
8832         (gimple_build_debug_bind): Define.
8833         (is_gimple_debug): New.
8834         (gimple_debug_bind_p): New.
8835         (gimple_debug_bind_get_var): New.
8836         (gimple_debug_bind_get_value): New.
8837         (gimple_debug_bind_get_value_ptr): New.
8838         (gimple_debug_bind_set_var): New.
8839         (gimple_debug_bind_set_value): New.
8840         (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
8841         (gimple_debug_bind_reset_value): New.
8842         (gimple_debug_bind_has_value_p): New.
8843         (gsi_next_nondebug): New.
8844         (gsi_prev_nondebug): New.
8845         (gsi_start_nondebug_bb): New.
8846         (gsi_last_nondebug_bb): New.
8847         * sched-vis.c (print_pattern): Handle VAR_LOCATION.
8848         (print_insn): Handle DEBUG_INSN.
8849         * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
8850         of first insn prevail.
8851         (first_stmt): Skip debug stmts.
8852         (first_non_label_stmt): Likewise.
8853         (last_stmt): Likewise.
8854         (has_zero_uses_1): New.
8855         (single_imm_use_1): New.
8856         (verify_gimple_debug): New.
8857         (verify_types_in_gimple_stmt): Handle debug stmts.
8858         (verify_stmt): Likewise.
8859         (debug_loop_num): Skip debug stmts.
8860         (remove_edge_and_dominated_blocks): Remove dominators last.
8861         * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
8862         (linearize_expr): Likewise.
8863         * config/i386/i386.c (ix86_delegitimize_address): Call
8864         default implementation.
8865         * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
8866         (group_barrier_needed): Skip debug insns.
8867         (emit_insn_group_barriers): Likewise.
8868         (emit_all_insn_group_barriers): Likewise.
8869         (ia64_variable_issue): Handle debug insns.
8870         (ia64_dfa_new_cycle): Likewise.
8871         (final_emit_insn_group_barriers): Skip debug insns.
8872         (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
8873         def cfa without frame.
8874         (process_set): Likewise.
8875         (process_for_unwind_directive): Pass frame on.
8876         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
8877         (rs6000_delegitimize_address): New.
8878         (rs6000_debug_adjust_cost): Handle debug insns.
8879         (is_microcoded_insn): Likewise.
8880         (is_cracked_insn): Likewise.
8881         (is_nonpipeline_insn): Likewise.
8882         (insn_must_be_first_in_group): Likewise.
8883         (insn_must_be_last_in_group): Likewise.
8884         (force_new_group): Likewise.
8885         * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
8886         contains only debug insns.
8887         (rtl_merge_blocks): Skip debug insns.
8888         (purge_dead_edges): Likewise.
8889         (rtl_block_ends_with_call_p): Skip debug insns.
8890         * dce.c (deletable_insn_p): Handle VAR_LOCATION.
8891         (mark_reg_dependencies): Skip debug insns.
8892         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
8893         * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
8894         * tree-ssa-threadedge.c
8895         (record_temporary_equivalences_from_stmts): Skip debug stmts.
8896         * regcprop.c (replace_oldest_value_addr): Skip debug insns.
8897         (replace_oldest_value_mem): Use ALL_REGS for debug insns.
8898         (copyprop_hardreg_forward_1): Handle debug insns.
8899         * reload1.c (reload): Skip debug insns.  Replace unassigned
8900         pseudos in debug insns with their equivalences.
8901         (eliminate_regs_in_insn): Skip debug insns.
8902         (emit_input_reload_insns): Skip debug insns at first, adjust
8903         them later.
8904         * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
8905         (get_indirect_ref_operands): Pass opf_no_vops on.
8906         (get_expr_operands): Likewise.  Skip debug stmts.
8907         (parse_ssa_operands): Scan debug insns with opf_no_vops.
8908
8909 2009-09-01  Richard Henderson  <rth@redhat.com>
8910
8911         * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
8912         stmt_ends_pp_p statements at least once.
8913         * tree-vrp.c (vrp_initialize): Likewise.
8914         (vrp_visit_stmt): Be prepared for non-interesting stmts.
8915
8916 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
8917
8918         PR bootstrap/41205
8919         Fix AIX bootstrap after PR debug/30161
8920         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
8921         that is a GNU extension.
8922         (tmpl_value_parm_die_table): Move the definition of this global
8923         outside #ifdef DWARF2_DEBUGGING_INFO region.
8924
8925 2009-09-01  Richard Guenther  <rguenther@suse.de>
8926
8927         * tree.c (tree_expr_size): New function.
8928         * tree.h (tree_expr_size): Declare.
8929         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
8930         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
8931         * langhooks.c (lhd_expr_size): Remove.
8932         * langhooks.h (struct lang_hooks): Remove expr_size.
8933         * explow.c (expr_size): Use tree_expr_size.
8934         (int_expr_size): Likewise.
8935         * langhooks-def.h (lhd_expr_size): Remove.
8936         (LANG_HOOKS_EXPR_SIZE): Likewise.
8937         (LANG_HOOKS_INITIALIZER): Adjust.
8938
8939 2009-09-01  Richard Guenther  <rguenther@suse.de>
8940
8941         * tree-flow.h (mark_addressable): Move declaration ...
8942         * tree.h (mark_addressable): ... here.
8943         * stmt.c (expand_asm_operands): Use mark_addressable, not
8944         lang_hooks.mark_addressable.
8945         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8946         LANG_HOOKS_MARK_ADDRESSABLE.
8947         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
8948         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
8949
8950 2009-08-31  Chris Demetriou  <cgd@google.com>
8951
8952         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
8953         vectorize if not TARGET_SSE2.
8954
8955 2009-08-31  DJ Delorie  <dj@redhat.com>
8956
8957         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
8958         registers if no coprocessor is enabled.
8959
8960 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
8961
8962         PR debug/30161
8963         * cgraph.h (cgraph_get_node): Declare ...
8964         * cgraph.c (cgraph_get_node): ... new function.
8965         * dwarf2out.c (gen_generic_params_dies,
8966         generic_parameter_die, tree_add_const_value_attribute_for_decl,
8967         make_ith_pack_parameter_name,
8968         append_entry_to_tmpl_value_parm_die_table,
8969         gen_remaining_tmpl_value_param_die_attribute): New functions.
8970         (gen_subprogram_die): Generate debug info for template parameters
8971         if debug info level is higher than DINFO_LEVEL_TERSE.
8972         Use tree_add_const_value_attribute_for_decl instead of
8973         tree_add_const_value_attribute.
8974         (gen_const_die): Use tree_add_const_value_attribute_for_decl
8975         instead of tree_add_const_value_attribute.
8976         (gen_struct_or_union_type_die): Generate debug
8977         info for template parameters if debug info level is higher than
8978         DINFO_LEVEL_TERSE.
8979         (tree_add_const_value_attribute): Handle integral and pointer
8980         constants. Update comment.
8981         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
8982         (dwarf_attr_name): Support DW_AT_GNU_template_name.
8983         (reference_to_unused): Fix thinko. Remove redundant predicates from
8984         tests.
8985         (tree_add_const_value_attribute): Make this work for constant
8986         expressions only.
8987         tree_add_const_value_attribute_for_decl is to be used for variable
8988         DECLs now.
8989         (add_location_or_const_value_attribute): Use
8990         tree_add_const_value_attribute_for_decl now.
8991         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
8992         DW_TAG_template_value_param DIEs after function DIEs have been
8993         emitted.
8994         * langhooks.h (lang_hooks_for_types): Add
8995         get_argument_pack_elems.
8996         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
8997         (lang_hooks): Added get_innermost_generic_parms,
8998         get_innermost_generic_args.
8999         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
9000         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
9001         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
9002         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
9003
9004 2009-08-31  DJ Delorie  <dj@redhat.com>
9005
9006         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
9007         it once we start generating the prologue or epilogue.
9008         (mep_call_saves_register): If the frame is locked, re-use
9009         cached values.
9010         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
9011         (mep_expand_prologue): Call it.
9012         (mep_expand_epilogue): Likewise.
9013         (mep_start_function): Use the same logic as mep_expand_prologue.
9014         (mep_pass_by_reference): Make logic more readable.
9015         (mep_return_in_memory): Zero-sized objects are passed in memory.
9016         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
9017
9018 2009-08-31  Richard Guenther  <rguenther@suse.de>
9019
9020         * builtins.c (fold_builtin_memory_op): Use the alias oracle
9021         to query if the memory regions for memmove overlap.
9022         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
9023         asserts on pointers, instead deal with odd trees.
9024         (ptr_derefs_may_alias_p): Likewise.
9025         (refs_may_alias_p_1): Constructor bases also never alias.
9026
9027 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
9028
9029         * doc/install.texi (Final install): Adjust reference on where to
9030         order printed manuals.
9031
9032 2009-08-30  Olivier Hainque  <hainque@adacore.com>
9033
9034         * dwarf2out.c (switch_to_frame_table_section): Move
9035         definition prior to first use.
9036
9037 2009-08-30  Richard Guenther  <rguenther@suse.de>
9038
9039         PR tree-optimization/41186
9040         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
9041         (ao_ref_init_from_ptr_and_size): New function.
9042         (ref_maybe_used_by_call_p_1): Be more precise tracking
9043         used ranges for builtin functions.
9044         (ref_maybe_used_by_call_p): Adjust.
9045         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
9046         ranges for builtin functions.
9047         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
9048
9049 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
9050
9051         PR target/41081
9052         * fwprop.c (get_reg_use_in): Delete.
9053         (free_load_extend): New function.
9054         (forward_propagate_subreg): Use it.
9055
9056 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9057
9058         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
9059
9060 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
9061
9062         PR/41184
9063         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
9064         padding.
9065
9066 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
9067
9068         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
9069         fini or fini_array section.
9070
9071 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9072
9073         * graphite-dependences.c (graphite_legal_transform_bb): Call
9074         pbb_remove_duplicate_pdrs.
9075         * graphite-poly.c (can_collapse_pdr): Removed.
9076         (pdr_find_duplicate): Removed.
9077         (can_collapse_pdrs): New.
9078         (pbb_remove_duplicate_pdrs): New.
9079         (new_poly_dr): Do not look for duplicates.
9080         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
9081         (PBB_PDR_DUPLICATES_REMOVED): New.
9082         (pbb_remove_duplicate_pdrs): Declared.
9083
9084 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9085
9086         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
9087         the strides by multiplying by PDR_NB_REFS.
9088         * graphite-poly.c (can_collapse_pdr): New.
9089         (pdr_find_duplicate): New.
9090         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
9091         Initialize PDR_NB_REFS.
9092         * graphite-poly.h (struct poly_dr): Add field nb_refs.
9093         (PDR_NB_REFS): New.
9094         (new_poly_dr): Number of subscripts is a graphite_dim_t.
9095
9096 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9097
9098         PR middle-end/40965
9099         * graphite-poly.c (apply_poly_transforms): Remove legality test before
9100         any transform.
9101
9102 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9103
9104         * graphite-dependences.c (pddr_original_scattering): Return NULL
9105         for read-read dependence relations.
9106         * graphite-poly.h (enum poly_dr_type): Fix comment.
9107         (pdr_read_p): New.
9108         (pdr_write_p): New.
9109         (pdr_may_write_p): New.
9110
9111 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9112
9113         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
9114         (struct poly_dr): Same.
9115         (new_poly_dr): Same.
9116         * graphite-poly.c (new_poly_dr): Same.
9117         * graphite-dependences.c (dot_deps): Disable call to system.
9118
9119 2009-08-28  Cary Coutant  <ccoutant@google.com>
9120
9121         PR debug/41063
9122         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
9123         struct/union/enum types local to a function.
9124
9125 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
9126             Sebastian Pop  <sebastian.pop@amd.com>
9127
9128         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
9129         pbb_strip_mine_time_depth.  Changed the implementation so that
9130         transformation is expressed as a transformation on
9131         time (scatttering) dimensions.  Also, ensures that the 2d+1
9132         scheduling format is preserved.
9133         (pbb_strip_mine_profitable_p): Profitability is based on the
9134         iteration number of a given time (scattering) dimension,
9135         and not on a original loop depth dimension.
9136         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
9137         (pbb_do_strip_mine): Call psct_dynamic_dim.
9138         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
9139         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
9140         (pbb_nb_dynamic_scattering_transform): New.
9141         (psct_dynamic_dim): New.
9142
9143 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
9144
9145         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
9146         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
9147         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
9148         * graphite-interchange.c (build_linearized_memory_access): Same.
9149         (memory_stride_in_loop): Same.
9150
9151 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9152
9153         * graphite-dependences.c (pddr_original_scattering): New.
9154         (graphite_legal_transform_dr): Call pddr_original_scattering.
9155         (dot_deps_1): New.
9156         (dot_deps): New.
9157         * graphite-dependences.h (dot_deps): Declared.
9158         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
9159         (print_pdr): Print PDR_ID.
9160         * graphite-poly.h (struct poly_dr): Add field id.
9161         (PDR_ID): New.
9162         (pbb_index): New.
9163         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
9164
9165 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9166
9167         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
9168         not delete the original dependence relation.
9169
9170 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9171
9172         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
9173         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
9174         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
9175         (free_poly_ddr): New.
9176         (pddr_is_empty): New.
9177         (dependence_polyhedron_1): Now returns a poly_ddr_p.
9178         (dependence_polyhedron): Same.  Remove useless gcc_assert.
9179         Remove fprintfs.
9180         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
9181         (graphite_carried_dependence_level_k): Call pddr_is_empty.
9182         * graphite-dependences.h (enum poly_dependence_kind): New.
9183         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
9184         (PDRP_SOURCE): Renamed PDDR_SOURCE.
9185         (PDRP_SINK): Renamed PDDR_SINK.
9186         (PDRP_DDP): Renamed PDDR_DDP.
9187         (PDDR_KIND): New.
9188         (free_poly_ddr): Declared.
9189         * graphite-poly.c (new_scop): Use the new hash function names.
9190         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
9191         into original_pddrs.
9192         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
9193
9194 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9195
9196         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
9197         bounds with LT_EXPR to make niter analysis more precise on code
9198         generated by Graphite.
9199
9200 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
9201
9202         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
9203         (graphite_legal_transform_bb): Same.
9204         (poly_drs_may_alias_p): Same.
9205
9206 2009-08-28  Richard Guenther  <rguenther@suse.de>
9207
9208         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
9209
9210 2009-08-28  Jan Beulich  <jbeulich@novell.com>
9211
9212         * config/i386/netware.c: Include langhooks.h.
9213         (i386_nlm_encode_section_info): Simplify.
9214         (netware_override_options): Delete.
9215         * config/i386/netware.h (netware_override_options): Delete
9216         declaration.
9217         (OVERRIDE_OPTIONS): Delete definition.
9218         (SUBTARGET_OVERRIDE_OPTIONS): Define.
9219         (ASM_COMMENT_START): Define.
9220         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
9221
9222 2009-08-28  Jan Beulich  <jbeulich@novell.com>
9223
9224         * configure.ac: For in-tree ld, do a plain version check to
9225         determine whether comdat groups are supported.
9226         * configure: Regenerate.
9227
9228 2009-08-28  Olivier Hainque  <hainque@adacore.com>
9229
9230         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
9231         always defined.  Reflect definition or absence of such for
9232         COLLECT_EXPORT_LIST.  Readability helper.
9233         (scanfilter): New enum, to help control what symbols
9234         are to be considered or ignored by scan_prog_file.
9235         (enum pass): Rename as "scanpass", moved together with scanfilter
9236         prior to scan_prog_file's prototype.
9237         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
9238         Group prototype with the scanpass/scanfilter definitions, factorize
9239         head comments for the several implementations at the prototype.
9240         (main): Reorganize the first pass link control to let AIX
9241         drag only the needed frame tables in executables.  Prevent
9242         frame tables collection during the scan aimed at static ctors.
9243         Pre-link and scan for frame tables later to compensate.
9244         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
9245         A C statement to issue assembly directives that create a reference
9246         to the given DWARF table identifier label from the current function
9247         section.
9248         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
9249         to differentiate first time section entry.  Only emit a .data
9250         tables start identifier label the first time around.
9251         (switch_to_frame_table_section): New function.  Helper for
9252         output_call_frame_info to switch possibly BACK into the eh_frame
9253         or the debug_frame section depending on FOR_EH.
9254         (output_call_frame_info): Use helper to first enter the proper
9255         frame section.
9256         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
9257         emit a link to the frame table start label from each function
9258         section.
9259         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
9260         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
9261         * config/rs6000/rs6000-protos.h: Declare it.
9262         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
9263
9264 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
9265
9266         * config/sh/sh.c (split_branches): Check the result of
9267         next_active_insn.
9268
9269 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
9270
9271         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
9272         using -pthread -fopenmp
9273
9274 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
9275
9276         * doc/service.texi (service directory): Update URL.
9277
9278 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
9279
9280         PR rtl-optimization/40861
9281         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
9282         extract word from a multi-word subreg for negative byte positions.
9283
9284 2009-08-27  Tristan Gingold  <gingold@adacore.com>
9285             Douglas B Rupp  <rupp@gnat.com>
9286
9287         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
9288         (SECTION_VMS_OVERLAY): Define.
9289         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
9290         attribute.
9291         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
9292         for common_object.
9293         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
9294         common_object declarations.
9295         (ia64_section_type_flags): Set section flag for common_object.
9296         * config/ia64/ia64-protos.h
9297         (ia64_vms_output_aligned_decl_common): Declare.
9298         (ia64_vms_elf_asm_named_section): Declare.
9299
9300 2009-08-27  Michael Matz  <matz@suse.de>
9301
9302         * expr.c (expand_expr_real_2): New function taking exploded
9303         unary or binary expression, split out from ...
9304         (expand_expr_real_1): ... here.  Move over all unary/binary
9305         switch parts to above function, in particular these codes:
9306         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
9307         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
9308         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
9309         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
9310         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
9311         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
9312         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
9313         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
9314         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
9315         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
9316         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
9317         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
9318         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
9319         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
9320         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
9321         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
9322         VEC_PACK_FIX_TRUNC_EXPR.
9323         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
9324         full expression.
9325
9326 2009-08-27  Richard Guenther  <rguenther@suse.de>
9327
9328         * gengtype.c (main): Handle uint64_t.
9329         * ipa-utils.c (get_base_var): Indent properly.
9330         * tree-ssa-live.c (debug_scope_block): New function.
9331         * tree-flow.h (debug_scope_block): Declare.
9332         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
9333         * basic-block.h (enum profile_status): Rename to
9334         enum profile_status_d.
9335         (x_profile_status): Adjust type.
9336
9337 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
9338
9339         PR debug/41170
9340         * dwarf2out.c (get_context_die): Declare this static function.
9341         (gen_type_die_with_usage): Make sure a DIE is a generated for
9342         the context of a typedef.
9343
9344 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
9345
9346         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
9347         switch.
9348
9349 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
9350
9351         * config/mips/mips-protos.h (mips_output_sync): Declare.
9352         (mips_sync_loop_insns): Likewise.
9353         (mips_output_sync_loop): Replace first two parameters with an rtx.
9354         * config/mips/mips.c (mips_multi_member): New structure.
9355         (mips_multi_members): New variable.
9356         (mips_multi_start): New function.
9357         (mips_multi_add): Likewise.
9358         (mips_multi_add_insn): Likewise.
9359         (mips_multi_add_label): Likewise.
9360         (mips_multi_last_index): Likewise.
9361         (mips_multi_copy_insn): Likewise.
9362         (mips_multi_set_operand): Likewise.
9363         (mips_multi_write): Likewise.
9364         (mips_print_operand_punctuation): Remove '%|' and '%-'.
9365         (mips_init_print_operand_punct): Update accordingly.
9366         (mips_start_ll_sc_sync_block): New function.
9367         (mips_end_ll_sc_sync_block): Likewise.
9368         (mips_output_sync): Likewise.
9369         (mips_sync_insn1_template): Likewise.
9370         (mips_sync_insn2_template): Likewise.
9371         (mips_get_sync_operand): Likewise.
9372         (mips_process_sync_loop): Likewise.
9373         (mips_output_sync_loop): Use mips_process_sync_loop.
9374         (mips_sync_loop_insns): New function.
9375         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
9376         (MIPS_COMPARE_AND_SWAP_12): Likewise.
9377         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
9378         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
9379         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
9380         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
9381         (MIPS_SYNC_OLD_OP_12): Likewise.
9382         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
9383         (MIPS_SYNC_NEW_OP_12): Likewise.
9384         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
9385         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
9386         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
9387         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
9388         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
9389         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
9390         * config/mips/mips.md (sync_mem): New attribute.
9391         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
9392         (sync_exclusive_mask, sync_required_oldval): Likewise.
9393         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
9394         (sync_release_barrier): Likewise.
9395         (length): Handle sync loops.
9396         (sync): Use mips_output_sync.
9397         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
9398         (sync_compare_and_swap<mode>): Set the new sync_* attributes
9399         and use mips_output_sync_loop.
9400         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
9401         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
9402         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
9403         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
9404         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
9405         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
9406         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
9407         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
9408         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
9409
9410 2009-08-26  Richard Guenther  <rguenther@suse.de>
9411
9412         PR middle-end/41163
9413         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
9414         the types to not match.
9415         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
9416         verification.
9417         * tree-ssa.c (useless_type_conversion_p): Conversions to
9418         pointers to unprototyped functions are useless.
9419
9420 2009-08-26  Richard Guenther  <rguenther@suse.de>
9421
9422         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
9423         whole-program condition, prepare to be called for non-globals.
9424         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
9425         params build a representative with known type and track its fields.
9426
9427 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
9428
9429         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
9430         clearing by a taken branch.
9431         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
9432         effectively after bbro pass.
9433         (sync_nand<mode>): Ditto.
9434         (sync_old_<fetchop_name><mode>): Ditto.
9435         (sync_old_nand<mode>): Ditto.
9436         (sync_new_<fetchop_name><mode>): Dito.
9437         (sync_new_nand<mode>): Ditto.
9438         (sync_compare_and_swap<mode>_1): Ditto.
9439         (*sync_compare_and_swap<mode>): Ditto.
9440         (sync_lock_test_and_set<mode>_1): Ditto.
9441         ("sync_lock_test_and_set<mode>): Ditto.
9442
9443 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
9444
9445         * hwint.h (HOST_LONG_FORMAT): New macro
9446         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
9447         Use HOST_PTR_PRINTF.
9448         * system.h (HOST_PTR_PRINTF): Resurrect old macro
9449         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
9450         (HOST_PTR_PRINTF): Document.
9451
9452 2009-08-25 Jan Hubicka  <jh@suse.cz>
9453
9454         * config/i386/bmmintrin.h: Replace by #error.
9455
9456         Revert:
9457         Michael Meissner  <michael.meissner@amd.com>
9458         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
9459         Tony Linthicum  <tony.linthicum@amd.com>
9460
9461         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
9462         (TARGET_ROUND): New macro for the round/ptest instructions which
9463         are shared between SSE4.1 and SSE5.
9464         (OPTION_MASK_ISA_ROUND): Ditto.
9465         (OPTION_ISA_ROUND): Ditto.
9466         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
9467         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
9468
9469         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
9470         (-mfused-madd): New switch to give users control over whether the
9471         compiler optimizes to use the multiply/add SSE5 instructions.
9472
9473         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
9474         (ix86_handle_option): Turn off 3dnow if -msse5.
9475         (override_options): Add SSE5 support.
9476         (print_operand): %Y prints comparison codes for SSE5 com/pcom
9477         instructions.
9478         (ix86_expand_sse_movcc): Add SSE5 support.
9479         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
9480         vector type to the next largest size.
9481         (ix86_expand_sse5_pack): New function to use pperm to pack a
9482         vector type to the next smallest size.
9483         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
9484         (IX86_BUILTIN_FMADDSD): Ditto.
9485         (IX86_BUILTIN_FMADDPS): Ditto.
9486         (IX86_BUILTIN_FMADDPD): Ditto.
9487         (IX86_BUILTIN_FMSUBSS): Ditto.
9488         (IX86_BUILTIN_FMSUBSD): Ditto.
9489         (IX86_BUILTIN_FMSUBPS): Ditto.
9490         (IX86_BUILTIN_FMSUBPD): Ditto.
9491         (IX86_BUILTIN_FNMADDSS): Ditto.
9492         (IX86_BUILTIN_FNMADDSD): Ditto.
9493         (IX86_BUILTIN_FNMADDPS): Ditto.
9494         (IX86_BUILTIN_FNMADDPD): Ditto.
9495         (IX86_BUILTIN_FNMSUBSS): Ditto.
9496         (IX86_BUILTIN_FNMSUBSD): Ditto.
9497         (IX86_BUILTIN_FNMSUBPS): Ditto.
9498         (IX86_BUILTIN_FNMSUBPD): Ditto.
9499         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
9500         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
9501         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
9502         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
9503         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
9504         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
9505         (IX86_BUILTIN_PPERM): Ditto.
9506         (IX86_BUILTIN_PERMPS): Ditto.
9507         (IX86_BUILTIN_PERMPD): Ditto.
9508         (IX86_BUILTIN_PMACSSWW): Ditto.
9509         (IX86_BUILTIN_PMACSWW): Ditto.
9510         (IX86_BUILTIN_PMACSSWD): Ditto.
9511         (IX86_BUILTIN_PMACSWD): Ditto.
9512         (IX86_BUILTIN_PMACSSDD): Ditto.
9513         (IX86_BUILTIN_PMACSDD): Ditto.
9514         (IX86_BUILTIN_PMACSSDQL): Ditto.
9515         (IX86_BUILTIN_PMACSSDQH): Ditto.
9516         (IX86_BUILTIN_PMACSDQL): Ditto.
9517         (IX86_BUILTIN_PMACSDQH): Ditto.
9518         (IX86_BUILTIN_PMADCSSWD): Ditto.
9519         (IX86_BUILTIN_PMADCSWD): Ditto.
9520         (IX86_BUILTIN_PHADDBW): Ditto.
9521         (IX86_BUILTIN_PHADDBD): Ditto.
9522         (IX86_BUILTIN_PHADDBQ): Ditto.
9523         (IX86_BUILTIN_PHADDWD): Ditto.
9524         (IX86_BUILTIN_PHADDWQ): Ditto.
9525         (IX86_BUILTIN_PHADDDQ): Ditto.
9526         (IX86_BUILTIN_PHADDUBW): Ditto.
9527         (IX86_BUILTIN_PHADDUBD): Ditto.
9528         (IX86_BUILTIN_PHADDUBQ): Ditto.
9529         (IX86_BUILTIN_PHADDUWD): Ditto.
9530         (IX86_BUILTIN_PHADDUWQ): Ditto.
9531         (IX86_BUILTIN_PHADDUDQ): Ditto.
9532         (IX86_BUILTIN_PHSUBBW): Ditto.
9533         (IX86_BUILTIN_PHSUBWD): Ditto.
9534         (IX86_BUILTIN_PHSUBDQ): Ditto.
9535         (IX86_BUILTIN_PROTB): Ditto.
9536         (IX86_BUILTIN_PROTW): Ditto.
9537         (IX86_BUILTIN_PROTD): Ditto.
9538         (IX86_BUILTIN_PROTQ): Ditto.
9539         (IX86_BUILTIN_PROTB_IMM): Ditto.
9540         (IX86_BUILTIN_PROTW_IMM): Ditto.
9541         (IX86_BUILTIN_PROTD_IMM): Ditto.
9542         (IX86_BUILTIN_PROTQ_IMM): Ditto.
9543         (IX86_BUILTIN_PSHLB): Ditto.
9544         (IX86_BUILTIN_PSHLW): Ditto.
9545         (IX86_BUILTIN_PSHLD): Ditto.
9546         (IX86_BUILTIN_PSHLQ): Ditto.
9547         (IX86_BUILTIN_PSHAB): Ditto.
9548         (IX86_BUILTIN_PSHAW): Ditto.
9549         (IX86_BUILTIN_PSHAD): Ditto.
9550         (IX86_BUILTIN_PSHAQ): Ditto.
9551         (IX86_BUILTIN_FRCZSS): Ditto.
9552         (IX86_BUILTIN_FRCZSD): Ditto.
9553         (IX86_BUILTIN_FRCZPS): Ditto.
9554         (IX86_BUILTIN_FRCZPD): Ditto.
9555         (IX86_BUILTIN_CVTPH2PS): Ditto.
9556         (IX86_BUILTIN_CVTPS2PH): Ditto.
9557         (IX86_BUILTIN_COMEQSS): Ditto.
9558         (IX86_BUILTIN_COMNESS): Ditto.
9559         (IX86_BUILTIN_COMLTSS): Ditto.
9560         (IX86_BUILTIN_COMLESS): Ditto.
9561         (IX86_BUILTIN_COMGTSS): Ditto.
9562         (IX86_BUILTIN_COMGESS): Ditto.
9563         (IX86_BUILTIN_COMUEQSS): Ditto.
9564         (IX86_BUILTIN_COMUNESS): Ditto.
9565         (IX86_BUILTIN_COMULTSS): Ditto.
9566         (IX86_BUILTIN_COMULESS): Ditto.
9567         (IX86_BUILTIN_COMUGTSS): Ditto.
9568         (IX86_BUILTIN_COMUGESS): Ditto.
9569         (IX86_BUILTIN_COMORDSS): Ditto.
9570         (IX86_BUILTIN_COMUNORDSS): Ditto.
9571         (IX86_BUILTIN_COMFALSESS): Ditto.
9572         (IX86_BUILTIN_COMTRUESS): Ditto.
9573         (IX86_BUILTIN_COMEQSD): Ditto.
9574         (IX86_BUILTIN_COMNESD): Ditto.
9575         (IX86_BUILTIN_COMLTSD): Ditto.
9576         (IX86_BUILTIN_COMLESD): Ditto.
9577         (IX86_BUILTIN_COMGTSD): Ditto.
9578         (IX86_BUILTIN_COMGESD): Ditto.
9579         (IX86_BUILTIN_COMUEQSD): Ditto.
9580         (IX86_BUILTIN_COMUNESD): Ditto.
9581         (IX86_BUILTIN_COMULTSD): Ditto.
9582         (IX86_BUILTIN_COMULESD): Ditto.
9583         (IX86_BUILTIN_COMUGTSD): Ditto.
9584         (IX86_BUILTIN_COMUGESD): Ditto.
9585         (IX86_BUILTIN_COMORDSD): Ditto.
9586         (IX86_BUILTIN_COMUNORDSD): Ditto.
9587         (IX86_BUILTIN_COMFALSESD): Ditto.
9588         (IX86_BUILTIN_COMTRUESD): Ditto.
9589         (IX86_BUILTIN_COMEQPS): Ditto.
9590         (IX86_BUILTIN_COMNEPS): Ditto.
9591         (IX86_BUILTIN_COMLTPS): Ditto.
9592         (IX86_BUILTIN_COMLEPS): Ditto.
9593         (IX86_BUILTIN_COMGTPS): Ditto.
9594         (IX86_BUILTIN_COMGEPS): Ditto.
9595         (IX86_BUILTIN_COMUEQPS): Ditto.
9596         (IX86_BUILTIN_COMUNEPS): Ditto.
9597         (IX86_BUILTIN_COMULTPS): Ditto.
9598         (IX86_BUILTIN_COMULEPS): Ditto.
9599         (IX86_BUILTIN_COMUGTPS): Ditto.
9600         (IX86_BUILTIN_COMUGEPS): Ditto.
9601         (IX86_BUILTIN_COMORDPS): Ditto.
9602         (IX86_BUILTIN_COMUNORDPS): Ditto.
9603         (IX86_BUILTIN_COMFALSEPS): Ditto.
9604         (IX86_BUILTIN_COMTRUEPS): Ditto.
9605         (IX86_BUILTIN_COMEQPD): Ditto.
9606         (IX86_BUILTIN_COMNEPD): Ditto.
9607         (IX86_BUILTIN_COMLTPD): Ditto.
9608         (IX86_BUILTIN_COMLEPD): Ditto.
9609         (IX86_BUILTIN_COMGTPD): Ditto.
9610         (IX86_BUILTIN_COMGEPD): Ditto.
9611         (IX86_BUILTIN_COMUEQPD): Ditto.
9612         (IX86_BUILTIN_COMUNEPD): Ditto.
9613         (IX86_BUILTIN_COMULTPD): Ditto.
9614         (IX86_BUILTIN_COMULEPD): Ditto.
9615         (IX86_BUILTIN_COMUGTPD): Ditto.
9616         (IX86_BUILTIN_COMUGEPD): Ditto.
9617         (IX86_BUILTIN_COMORDPD): Ditto.
9618         (IX86_BUILTIN_COMUNORDPD): Ditto.
9619         (IX86_BUILTIN_COMFALSEPD): Ditto.
9620         (IX86_BUILTIN_COMTRUEPD): Ditto.
9621         (IX86_BUILTIN_PCOMEQUB): Ditto.
9622         (IX86_BUILTIN_PCOMNEUB): Ditto.
9623         (IX86_BUILTIN_PCOMLTUB): Ditto.
9624         (IX86_BUILTIN_PCOMLEUB): Ditto.
9625         (IX86_BUILTIN_PCOMGTUB): Ditto.
9626         (IX86_BUILTIN_PCOMGEUB): Ditto.
9627         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
9628         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
9629         (IX86_BUILTIN_PCOMEQUW): Ditto.
9630         (IX86_BUILTIN_PCOMNEUW): Ditto.
9631         (IX86_BUILTIN_PCOMLTUW): Ditto.
9632         (IX86_BUILTIN_PCOMLEUW): Ditto.
9633         (IX86_BUILTIN_PCOMGTUW): Ditto.
9634         (IX86_BUILTIN_PCOMGEUW): Ditto.
9635         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
9636         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
9637         (IX86_BUILTIN_PCOMEQUD): Ditto.
9638         (IX86_BUILTIN_PCOMNEUD): Ditto.
9639         (IX86_BUILTIN_PCOMLTUD): Ditto.
9640         (IX86_BUILTIN_PCOMLEUD): Ditto.
9641         (IX86_BUILTIN_PCOMGTUD): Ditto.
9642         (IX86_BUILTIN_PCOMGEUD): Ditto.
9643         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
9644         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
9645         (IX86_BUILTIN_PCOMEQUQ): Ditto.
9646         (IX86_BUILTIN_PCOMNEUQ): Ditto.
9647         (IX86_BUILTIN_PCOMLTUQ): Ditto.
9648         (IX86_BUILTIN_PCOMLEUQ): Ditto.
9649         (IX86_BUILTIN_PCOMGTUQ): Ditto.
9650         (IX86_BUILTIN_PCOMGEUQ): Ditto.
9651         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
9652         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
9653         (IX86_BUILTIN_PCOMEQB): Ditto.
9654         (IX86_BUILTIN_PCOMNEB): Ditto.
9655         (IX86_BUILTIN_PCOMLTB): Ditto.
9656         (IX86_BUILTIN_PCOMLEB): Ditto.
9657         (IX86_BUILTIN_PCOMGTB): Ditto.
9658         (IX86_BUILTIN_PCOMGEB): Ditto.
9659         (IX86_BUILTIN_PCOMFALSEB): Ditto.
9660         (IX86_BUILTIN_PCOMTRUEB): Ditto.
9661         (IX86_BUILTIN_PCOMEQW): Ditto.
9662         (IX86_BUILTIN_PCOMNEW): Ditto.
9663         (IX86_BUILTIN_PCOMLTW): Ditto.
9664         (IX86_BUILTIN_PCOMLEW): Ditto.
9665         (IX86_BUILTIN_PCOMGTW): Ditto.
9666         (IX86_BUILTIN_PCOMGEW): Ditto.
9667         (IX86_BUILTIN_PCOMFALSEW): Ditto.
9668         (IX86_BUILTIN_PCOMTRUEW): Ditto.
9669         (IX86_BUILTIN_PCOMEQD): Ditto.
9670         (IX86_BUILTIN_PCOMNED): Ditto.
9671         (IX86_BUILTIN_PCOMLTD): Ditto.
9672         (IX86_BUILTIN_PCOMLED): Ditto.
9673         (IX86_BUILTIN_PCOMGTD): Ditto.
9674         (IX86_BUILTIN_PCOMGED): Ditto.
9675         (IX86_BUILTIN_PCOMFALSED): Ditto.
9676         (IX86_BUILTIN_PCOMTRUED): Ditto.
9677         (IX86_BUILTIN_PCOMEQQ): Ditto.
9678         (IX86_BUILTIN_PCOMNEQ): Ditto.
9679         (IX86_BUILTIN_PCOMLTQ): Ditto.
9680         (IX86_BUILTIN_PCOMLEQ): Ditto.
9681         (IX86_BUILTIN_PCOMGTQ): Ditto.
9682         (IX86_BUILTIN_PCOMGEQ): Ditto.
9683         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
9684         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
9685         (enum multi_arg_type): New enum for describing the various SSE5
9686         intrinsic argument types.
9687         (bdesc_multi_arg): New table for SSE5 intrinsics.
9688         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
9689         (ix86_expand_multi_arg_builtin): New function for creating SSE5
9690         intrinsics.
9691         (ix86_expand_builtin): Add SSE5 intrinsic support.
9692         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
9693         operand instructions.
9694         (ix86_expand_sse5_multiple_memory): New function to split the
9695         second memory reference from SSE5 instructions.
9696         (type_has_variadic_args_p): Delete in favor of stdarg_p.
9697         (ix86_return_pops_args): Use stdarg_p to determine if the function
9698         has variable arguments.
9699         (ix86_setup_incoming_varargs): Ditto.
9700         (x86_this_parameter): Ditto.
9701
9702         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
9703         declaration.
9704         (ix86_expand_sse5_pack): Ditto.
9705         (ix86_sse5_valid_op_p): Ditto.
9706         (ix86_expand_sse5_multiple_memory): Ditto.
9707
9708         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
9709         constant for SSE5 support.
9710         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
9711         (UNSPEC_SSE5_TRUEFALSE): Ditto.
9712         (UNSPEC_SSE5_PERMUTE): Ditto.
9713         (UNSPEC_SSE5_ASHIFT): Ditto.
9714         (UNSPEC_SSE5_LSHIFT): Ditto.
9715         (UNSPEC_FRCZ): Ditto.
9716         (UNSPEC_CVTPH2PS): Ditto.
9717         (UNSPEC_CVTPS2PH): Ditto.
9718         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
9719         (PCOM_TRUE): Ditto.
9720         (COM_FALSE_S): Ditto.
9721         (COM_FALSE_P): Ditto.
9722         (COM_TRUE_S): Ditto.
9723         (COM_TRUE_P): Ditto.
9724         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
9725         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
9726         types.
9727         (memory attribute): Ditto.
9728         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
9729         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
9730         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
9731         (floor<mode>2): Ditto.
9732         (ceil<mode>2): Ditto.
9733         (btrunc<mode>2): Ditto.
9734         (nearbyintdf2): Ditto.
9735         (nearbyintsf2): Ditto.
9736         (sse_setccsf): Disable if SSE5.
9737         (sse_setccdf): Ditto.
9738         (sse5_setcc<mode>): New support for SSE5 conditional move.
9739         (sse5_pcmov_<mode>): Ditto.
9740
9741         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
9742         (SSEMODEF4): Ditto.
9743         (SSEMODEF2P): Ditto.
9744         (ssemodesuffixf4): New mode attribute for SSE5.
9745         (ssemodesuffixf2s): Ditto.
9746         (ssemodesuffixf2c): Ditto.
9747         (sserotatemax): Ditto.
9748         (ssescalarmode): Ditto.
9749         (sse_maskcmpv4sf3): Disable if SSE5.
9750         (sse_maskcmpv2df3): Ditto.
9751         (sse_vmmaskcmpv4sf3): Ditto.
9752         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
9753         (sse5_vmfmadd<mode>4): Ditto.
9754         (sse5_fmsub<mode>4): Ditto.
9755         (sse5_vmfmsub<mode>4): Ditto.
9756         (sse5_fnmadd<mode>4): Ditto.
9757         (sse5_vmfnmadd<mode>4): Ditto.
9758         (sse5_fnmsub<mode>4): Ditto.
9759         (sse5_vmfnmsub<mode>4): Ditto.
9760         (sse5i_fmadd<mode>4): Ditto.
9761         (sse5i_fmsub<mode>4): Ditto.
9762         (sse5i_fnmadd<mode>4): Ditto.
9763         (sse5i_fnmsub<mode>4): Ditto.
9764         (sse5i_vmfmadd<mode>4): Ditto.
9765         (sse5i_vmfmsub<mode>4): Ditto.
9766         (sse5i_vmfnmadd<mode>4): Ditto.
9767         (sse5i_vmfnmsub<mode>4): Ditto.
9768         (mulv16qi3): Add SSE5 support.
9769         (mulv4si3): Ditto.
9770         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
9771         (sse2_mulv4si3): Disable if SSE5.
9772         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
9773         (sse4_1_roundps): Ditto.
9774         (sse4_1_roundsd): Ditto.
9775         (sse4_1_roundss): Ditto.
9776         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
9777         be generated.
9778         (sse_maskcmpsf3): Ditto.
9779         (sse_vmmaskcmpv4sf3): Ditto.
9780         (sse2_maskcmpv2df3): Ditto.
9781         (sse2_maskcmpdf3): Ditto.
9782         (sse2_vmmaskcmpv2df3): Ditto.
9783         (sse2_eq<mode>3): Ditto.
9784         (sse2_gt<mode>3): Ditto.
9785         (sse5_pcmov_<mode>): Add SSE5 support.
9786         (vec_unpacku_hi_v16qi): Ditto.
9787         (vec_unpacks_hi_v16qi): Ditto.
9788         (vec_unpacku_lo_v16qi): Ditto.
9789         (vec_unpacks_lo_v16qi): Ditto.
9790         (vec_unpacku_hi_v8hi): Ditto.
9791         (vec_unpacks_hi_v8hi): Ditto.
9792         (vec_unpacku_lo_v8hi): Ditto.
9793         (vec_unpacks_lo_v8hi): Ditto.
9794         (vec_unpacku_hi_v4si): Ditto.
9795         (vec_unpacks_hi_v4si): Ditto.
9796         (vec_unpacku_lo_v4si): Ditto.
9797         (vec_unpacks_lo_v4si): Ditto.
9798         (sse5_pmacsww): New SSE5 intrinsic insn.
9799         (sse5_pmacssww): Ditto.
9800         (sse5_pmacsdd): Ditto.
9801         (sse5_pmacssdd): Ditto.
9802         (sse5_pmacssdql): Ditto.
9803         (sse5_pmacssdqh): Ditto.
9804         (sse5_pmacsdqh): Ditto.
9805         (sse5_pmacsswd): Ditto.
9806         (sse5_pmacswd): Ditto.
9807         (sse5_pmadcsswd): Ditto.
9808         (sse5_pmadcswd): Ditto.
9809         (sse5_pcmov_<move>): Conditional move support on SSE5.
9810         (sse5_phaddbw): New SSE5 intrinsic insn.
9811         (sse5_phaddbd): Ditto.
9812         (sse5_phaddbq): Ditto.
9813         (sse5_phaddwd): Ditto.
9814         (sse5_phaddwq): Ditto.
9815         (sse5_phadddq): Ditto.
9816         (sse5_phaddubw): Ditto.
9817         (sse5_phaddubd): Ditto.
9818         (sse5_phaddubq): Ditto.
9819         (sse5_phadduwd): Ditto.
9820         (sse5_phadduwq): Ditto.
9821         (sse5_phaddudq): Ditto.
9822         (sse5_phsubbw): Ditto.
9823         (sse5_phsubwd): Ditto.
9824         (sse5_phsubdq): Ditto.
9825         (sse5_pperm): Ditto.
9826         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
9827         (sse5_pperm_zero_v16qi_v8hi): Ditto.
9828         (sse5_pperm_sign_v8hi_v4si): Ditto.
9829         (sse5_pperm_zero_v8hi_v4si): Ditto.
9830         (sse5_pperm_sign_v4si_v2di): Ditto.
9831         (sse5_pperm_sign_v4si_v2di): Ditto.
9832         (sse5_pperm_pack_v2di_v4si): Ditto.
9833         (sse5_pperm_pack_v4si_v8hi): Ditto.
9834         (sse5_pperm_pack_v8hi_v16qi): Ditto.
9835         (sse5_perm<mode>): New SSE5 intrinsic insn.
9836         (rotl<mode>3): Ditto.
9837         (sse5_rotl<mode>3): Ditto.
9838         (sse5_ashl<mode>3): Ditto.
9839         (sse5_lshl<mode>3): Ditto.
9840         (sse5_frcz<mode>2): Ditto.
9841         (sse5s_frcz<mode>2): Ditto.
9842         (sse5_cvtph2ps): Ditto.
9843         (sse5_cvtps2ph): Ditto.
9844         (sse5_vmmaskcmp<mode>3): Ditto.
9845         (sse5_com_tf<mode>3): Ditto.
9846         (sse5_maskcmp<mode>3): Ditto.
9847         (sse5_maskcmp_uns<mode>3): Ditto.
9848         (sse5_maskcmp_uns2<mode>3): Ditto.
9849         (sse5_pcom_tf<mode>3): Ditto.
9850
9851         * config/i386/predicates.md (sse5_comparison_float_operator):
9852         New predicate to match the comparison operators supported by
9853         the SSE5 com instruction.
9854         (ix86_comparison_int_operator): New predicate to match just the
9855         signed int comparisons.
9856         (ix86_comparison_uns_operator): New predicate to match just the
9857         unsigned int comparisons.
9858
9859         * doc/invoke.texi (-msse5): Add documentation.
9860         (-mfused-madd): Ditto.
9861
9862         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
9863
9864         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
9865         mmintrin-common.h.
9866         (x86_64-*-*): Ditto.
9867
9868         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
9869
9870         * config/i386/bmmintrin.h: New file, provide common x86 compiler
9871         intrinisics for SSE5.
9872
9873         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
9874         mmintrin-common.h.
9875
9876         * config/i386/mmintrin-common.h: New file, to contain common
9877         instructions between SSE4.1 and SSE5.
9878
9879         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
9880         FOREACH_FUNCTION_ARGS to iterate over the argument list.
9881         (gen_regparm_prefix): Ditto.
9882
9883         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
9884         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
9885         prototype_p to determine if a function is prototyped.
9886
9887 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
9888
9889         * c-common.c (c_common_reswords) add the alignof keyword,
9890         with same RID as __alignof and __alignof__
9891
9892 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
9893
9894         * hooks.h (hook_bool_const_int_const_int_true): Declare.
9895         * hooks.c (hook_bool_const_int_const_int_true): New function.
9896         * target.h (struct gcc_target): Add can_eliminate field.
9897         * target-def.h (TARGET_CAN_ELIMINATE): Define.
9898         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
9899         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
9900         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
9901         (elim_table): Revise comment.
9902         * system.h (CAN_ELIMINATE): Poison.
9903         * defaults.h (CAN_ELIMINATE): Remove.
9904         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
9905
9906         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
9907         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
9908         Define macro.
9909         (alpha_vms_can_eliminate): Declare as static, change return type to
9910         bool.
9911         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
9912
9913         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
9914         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
9915         (arm_can_eliminate): New function.
9916
9917         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
9918         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
9919         (avr_can_eliminate): Declare as static.
9920         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
9921
9922         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
9923         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
9924         (bfin_can_eliminate): New function.
9925
9926         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
9927         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
9928         (crx_can_eliminate): New function.
9929
9930         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
9931         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
9932         (fr30_can_eliminate): New function.
9933
9934         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
9935         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
9936         (frv_can_eliminate): New function.
9937
9938         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
9939         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
9940         (h8300_can_eliminate): New function.
9941
9942         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
9943         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
9944         (i386_can_eliminate): Declare as static, change return type to bool.
9945         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
9946
9947         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
9948         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
9949         (ia64_can_eliminate): New function.
9950
9951         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
9952         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
9953         (iq2000_can_eliminate): New function.
9954
9955         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
9956         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
9957         (m32r_can_eliminate): New function.
9958
9959         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
9960         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
9961         (m68hc11_can_eliminate): New function.
9962
9963         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
9964         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
9965         (m68k_can_eliminate): New function.
9966
9967         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
9968         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
9969         (mep_can_eliminate): New function.
9970
9971         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
9972         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
9973         (mips_can_eliminate): New function.
9974
9975         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
9976         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
9977         (rs6000_can_eliminate): New function.
9978
9979         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
9980         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
9981         (s390_can_eliminate): Declare as static.
9982         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
9983
9984         * config/score/score.h (CAN_ELIMINATE): Remove macro.
9985         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
9986         (score_can_eliminate): New function.
9987
9988         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
9989         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
9990         (sparc_can_eliminate): Declare as static.
9991         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
9992
9993         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
9994         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
9995         (xstormy16_can_eliminate): New function.
9996
9997         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
9998         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
9999         (v850_can_eliminate): New function.
10000
10001 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
10002
10003         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
10004         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
10005         (*movdfcc_ext[1234]): Disable for IEEE mode.
10006
10007 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
10008
10009         * gimplify.c (prepare_gimple_addressable): New static function.
10010         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
10011         it addressable.
10012         (gimplify_addr_expr): Invoke it similarly on the operand instead of
10013         manually fiddling with it.
10014
10015 2009-08-25  Michael Matz  <matz@suse.de>
10016
10017         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
10018         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
10019         full expression.
10020         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
10021         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
10022         (do_jump): Split out code for simple binary comparisons into ...
10023         (do_jump_1): ... this, taking the individual operands and code.
10024         Change callers to helper function above accordingly.
10025         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
10026         comparisons.
10027
10028 2009-08-25  Michael Matz  <matz@suse.de>
10029
10030         * expr.h (struct separate_ops, sepops): New type for passing
10031         around an exploded simple expression.
10032         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
10033         Use this structure instead of expression tree.
10034         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
10035         expression, only its type.
10036         (expand_vec_cond_expr): Take type and individual operands instead
10037         of full expression.
10038         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
10039         expand_vec_shift_expr): Change prototype accordingly.
10040         * tree-vect-stmts.c (vectorizable_condition): Change call of
10041         expand_vec_cond_expr_p to pass only type.
10042         * expr.c (do_store_flags): Change prototype and implementation
10043         to take an exploded expression.
10044         (expand_expr_real_1): New local ops initialized with details
10045         of the full expression.  Use it instead of full
10046         expression in calls to do_store_flags, expand_vec_cond_expr,
10047         expand_widen_pattern_expr and expand_vec_shift_expr.
10048
10049 2009-08-25  Michael Matz  <matz@suse.de>
10050
10051         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
10052         treeop2 initialized with first three operands of the full expression.
10053         Substitute all TREE_OPERAND (exp, [012]) calls with them.
10054
10055 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
10056
10057         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
10058         (__gthread_objc_condition_allocate): Mark arguments as unused.
10059         (__gthread_objc_condition_deallocate): Likewise.
10060         (__gthread_objc_condition_wait): Likewise.
10061         (__gthread_objc_condition_broadcast): Likewise.
10062         (__gthread_objc_condition_signal): Likewise.
10063         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
10064         (__gthread_objc_thread_id): Likewise.
10065
10066 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
10067
10068         PR middle-end/41149
10069         * tree-pretty-print.c (print_call_name): Print the correct call name
10070         for procedure pointer components.
10071
10072 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
10073
10074         * config/ia64/ia64.c (ia64_promote_function_mode): Call
10075         default_promote_function_mode when not VMS.
10076
10077 2009-08-24  Olivier Hainque  <hainque@adacore.com>
10078
10079         * convert.c (convert_to_integer): Don't assume an input pointer is
10080         POINTER_SIZE wide.  Fetch from the type instead.
10081
10082 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10083
10084         * configure.ac (AC_PREREQ): Bump to 2.64.
10085
10086 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
10087
10088         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
10089         (process_command): Don't search standard_exec_prefix_1 and
10090         standard_exec_prefix_2.
10091
10092 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10093
10094         * config/arm/arm.c (output_return_instruction): Handle for
10095         unified syntax.
10096
10097 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10098
10099         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
10100
10101 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10102
10103         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
10104         (*arm_movdf_vfp): Likewise.
10105
10106 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10107
10108         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
10109         (vashr<mode>3): Rename from ashr<mode>3.
10110         (vlshr<mode>3): Rename from lshr<mode>3.
10111
10112 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
10113
10114         PR/40786
10115         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
10116         (check_format_info_main): Use scalar_identify_flag.
10117         (check_format_types): Check for scalar size identity if
10118         scalar_identify_flag is set.
10119         (printf_length_specs): Extend by new field.
10120         (asm_fprintf_length_specs): Likewise.
10121         (gcc_diag_length_specs): Likewise.
10122         (scanf_length_specs): Likewise.
10123         (strfmon_length_specs): Likewise.
10124         (gcc_gfc_length_specs): Likewise.
10125         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
10126         (ms_printf_flag_specs): Likewise.
10127         * c-format.h (format_length_info): Add new member scalar_identity_flag.
10128
10129 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
10130
10131         PR target/40718
10132         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
10133         (*call_value_pop_1): Ditto.
10134         (*sibcall_pop_1): New insn pattern.
10135         (*sibcall_value_pop_1): Ditto.
10136
10137 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
10138
10139         PR target/41081
10140         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
10141         ashrsi3_64): New.
10142
10143 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
10144
10145         PR target/41081
10146         * fwprop.c (try_fwprop_subst): Allow multiple sets.
10147         (get_reg_use_in): New function.
10148         (forward_propagate_subreg): Propagate through subreg of zero_extend
10149         or sign_extend.
10150
10151 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10152
10153         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
10154         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10155
10156 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10157
10158         * configure.ac: Remove --with-datarootdir, --with-docdir,
10159         --with-htmldir switches.  No need to call AC_SUBST for
10160         datarootdir, docdir, htmldir any more.
10161         * configure: Regenerate.
10162         * doc/install.texi (Configuration): Document --datarootdir,
10163         --docdir, --htmldir, --pdfdir; update documentation for
10164         --infodir, --mandir.
10165         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
10166         M4 to 1.4.6.
10167
10168         * aclocal.m4: Regenerate.
10169         * config.in: Regenerate.
10170         * configure: Regenerate.
10171
10172 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
10173             Olivier Hainque  <hainque@adacore.com>
10174
10175         * config/ia64/ia64.c: Include libfuncs.h.
10176         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
10177         (ia64_expand_call): Use reg 25 on VMS.
10178         (ia64_initialize_trampoline): Fix for VMS ABI.
10179         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
10180         (ia64_function_arg): Initialize reg 25 on VMS.
10181         Fix OpenVMS ABI issues for varargs.
10182         For OpenVMS, emit the Argument Information register set in the
10183         incoming/sibcall case as well.
10184         (ia64_arg_type): New function.
10185         (ia64_function_arg_advance): Keep track of cum->words.
10186         Fix OpenVMS ABI issues for varargs.
10187         (ia64_function_value): On VMS, promote mode of non-aggregate types.
10188         (ia64_override_options): Set flag_no_common on VMS.
10189         (ia64_init_builtins): Disable FWRITE builtin.
10190         (ia64_asm_output_external): Call DO_CRTL_NAMES.
10191         (ia64_vms_init_libfuncs): Add decc$ routines.
10192         (ia64_vms_valid_pointer_mode): New function.
10193         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
10194         (ia64_promote_function_mode): New function
10195         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
10196         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
10197         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10198         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
10199         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
10200         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
10201         Suppress trailing '#' if VALUE is numeric.
10202         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
10203         ia64_promote_function_mode.
10204         (TARGET_VALID_POINTER_MODE): Define.
10205
10206 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
10207
10208         PR target/40671
10209         * config/rs6000/rs6000.c (rs6000_override_options): Use
10210         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
10211
10212         PR target/41145
10213         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
10214         reporting of vector + decimal/boolean/complex error.
10215
10216 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
10217
10218         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
10219         __vector double TYPE_DECL.
10220
10221 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
10222
10223         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
10224         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
10225         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
10226         to pointer to enum machine_mode.  Update all callers as needed.
10227
10228 2009-08-21  Uros Bizjak  <ubizjak@gmail.com>
10229
10230         * config/alpha/alpha.md (exception_receiver): Emit alternative
10231         GP load sequence if flag_reorder_blocks_and_partition is set.
10232         (*exception_receiver_2): Also enable when
10233         flag_reorder_blocks_and_partition is set.
10234
10235 2009-08-20  Matt Rice  <ratmice@gmail.com>
10236             Diego Novillo  <dnovillo@google.com>
10237
10238         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
10239         tree-ssa-sccvn.h.
10240
10241 2009-08-20  Richard Guenther  <rguenther@suse.de>
10242
10243         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
10244         * c-tree.h (c_dup_lang_specific_decl): Remove.
10245         (struct lang_decl, struct lang_type): Move definitions ...
10246         * c-lang.h: ... here.  New file.
10247         * c-decl.c: Include c-lang.h.
10248         (c_dup_lang_specific_decl): Remove.
10249         * c-typeck.c: Include c-lang.h.
10250         * Makefile.in (c-decl.o): Add c-lang.h dependency.
10251         (c-typeck.o): Likewise.
10252         * c-config-lang.in (gtfiles): Add c-lang.h.
10253         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
10254         like c-tree.h.
10255
10256 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
10257
10258         * config/alpha/alpha.c (alpha_end_function): Do not clear
10259         crtl->emit structure and free insn locators if cfun->is_thunk is true,
10260         this is now handled in generic code.
10261
10262 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
10263
10264         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
10265         (s390_z10_fix_long_loop_prediction): New function.
10266         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
10267         (s390_reorg): Walk over the INSNs and invoke
10268         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
10269
10270 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
10271
10272         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
10273         "*brx_64bit", "*brx_31bit"): New patterns.
10274         * config/s390/s390.c ('E'): New output modifier.
10275
10276 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10277             Richard Earnshaw  <richard.earnshaw@arm.com>
10278
10279         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
10280         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
10281
10282 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10283
10284         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
10285         patterns.
10286         * pa.c (emit_move_sequence): Check if address of operand1 is valid
10287         for mode mode of operand0 when doing secondary reload for SAR.
10288
10289 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
10290
10291         PR middle-end/41123
10292         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
10293         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
10294
10295 2009-08-19  Jason Merrill  <jason@redhat.com>
10296
10297         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
10298         supported template depth in C++0x.
10299
10300 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
10301
10302         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
10303         free_after_compilation.
10304         * config/score/score7.c (score7_output_mi_thunk): Likewise.
10305         * config/score/score3.c (score3_output_mi_thunk): Likewise.
10306         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
10307         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
10308         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10309         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
10310         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
10311
10312 2009-08-19  Ian Lance Taylor  <iant@google.com>
10313
10314         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
10315         of (plus (mult (neg B) C) A).
10316
10317 2009-08-18  Michael Matz  <matz@suse.de>
10318
10319         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
10320         instead of comparing TYPE_MAIN_VARIANT for equality.
10321         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
10322         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
10323         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
10324         * gimplify.c (goa_lhs_expr_p): Ditto and use
10325         STRIP_USELESS_TYPE_CONVERSION.
10326
10327 2009-08-18  Michael Matz  <matz@suse.de>
10328
10329         * tree-ssa-structalias.c (create_variable_info_for): Also mark
10330         first field in a struct.
10331         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
10332
10333 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
10334
10335         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
10336         locators before emit_insn is called.  Remove assert that
10337         cfun->is_thunk.
10338         (alpha_end_function): Clear crtl->emit structure and free insn
10339         locators if cfun->is_thunk is true.
10340
10341 2009-08-18  Jason Merrill  <jason@redhat.com>
10342
10343         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
10344         type if available.
10345         * configure.ac: Test for it.
10346         * configure, config.in: Regenerate.
10347         * doc/install.texi: Document --enable-gnu-unique-object.
10348
10349 2009-08-18  Richard Guenther  <rguenther@suse.de>
10350
10351         PR middle-end/41094
10352         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
10353         pow(x,y*z) only if x is nonnegative.
10354
10355 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
10356
10357         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
10358         on jumps.
10359
10360         PR target/40971
10361         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
10362         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
10363
10364 2009-08-17  DJ Delorie  <dj@redhat.com>
10365
10366         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
10367         * config/m32c/prologue.md (epilogue_freit): New.
10368         (fset_b): New.
10369         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
10370         (bank_switch_p): Likewise.
10371         (fast_interrupt_p): Likewise.
10372         (interrupt_p): Likewise.
10373         (m32c_conditional_register_usage): Round memregs size up.
10374         (need_to_save): We only need to save $a0 when we use ENTER.
10375         (interrupt_p): Check for fast_interrupt too.
10376         (bank_switch_p): New.
10377         (fast_interrupt_p): New.
10378         (m32c_attribute_table): Add bank_switch and fast_interrupt.
10379         (m32c_emit_prolog): Support bank switching and fast interrupts.
10380         * doc/extend.texi (Function Attributes): Add bank_switch and
10381         fast_interrupt.
10382
10383 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
10384
10385         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
10386         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
10387
10388 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
10389
10390         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
10391         (menu): Add IA-64/VMS Options.
10392         (IA-64/VMS Options): Likewise.
10393
10394 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
10395
10396         PR target/38599
10397         * config/mips/mips.md (*lwxs): Use :P for pointer values.
10398
10399 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
10400
10401         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
10402         (mips_pop_asm_switch): Likewise.
10403         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
10404         with...
10405         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
10406         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
10407         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
10408         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
10409         instead of set_noreorder.
10410         (mips_output_function_prologue): Use the new functions.
10411         (mips_output_function_epilogue): Likewise.
10412         (mips_need_noat_wrapper_p): New function, split out from...
10413         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
10414         Use mips_push_asm_switch and mips_pop_asm_switch.
10415         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
10416         and mips_pop_asm_switch.
10417         (ASM_OUTPUT_REG_POP): Likewise.
10418         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
10419         Use mips_pop_asm_switch.
10420         (mips_asm_switch): New structure.
10421         (set_noreorder, set_nomacro): Replace with...
10422         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
10423         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
10424         instead of set_nomacro.
10425         (fix_truncsfsi2_macro): Likewise.
10426         (cprestore): Likewise.
10427         (hazard): Use mips_noreorder instead of set_noreorder.
10428         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
10429
10430 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
10431
10432         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
10433         from prev_active_insn.
10434
10435 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
10436
10437         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
10438         * config/avr/avr.c (avr_override_options): Initialize
10439         avr_current_arch variable.
10440         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
10441         __AVR_HAVE_16BIT_SP__ according to the device type.
10442         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
10443         TARGET_TINY_STACK.
10444         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
10445         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
10446
10447 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
10448
10449         PR debug/37801
10450         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
10451         generating inlined subroutine die only. We shouldn't be
10452         called for anything else.
10453         (gen_block_die): Don't generate inline subroutine debug info for
10454         abstract blocks.
10455
10456 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
10457
10458         * graphite-poly.c (print_pbb): Print PBB index.
10459
10460 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
10461
10462         PR middle-end/40981
10463         * graphite-interchange.c (ppl_max_for_le): Moved...
10464         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
10465         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
10466         ppl_Pointset_Powerset_C_Polyhedron_maximize.
10467         * graphite-ppl.h (ppl_max_for_le): Declared.
10468
10469 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
10470
10471         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
10472         supported on all platforms.
10473         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
10474         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
10475         * c-pragma.c: Likewise.
10476         * target-def.h (TARGET_INITIALIZER): Remove
10477         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
10478         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
10479
10480 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
10481
10482         * config/ia64/fde-vms.c: New file.
10483         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
10484         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
10485         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
10486         (uw_frame_state_for): Only register a personality routine if it is
10487         known to be compatible with our expectations.
10488         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
10489         Declare unw_table_entry stack variable and
10490         mod all calls to _Unwind_FindTableEntry to add arg.
10491         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
10492         (_Unwind_FindTableEntry): Add arg to prototype.
10493
10494 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
10495
10496         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
10497         field 'signal_pfs_loc'.
10498         (uw_frame_state_for): Remove duplicate code dealing with leaf
10499         procedures without unwind info.
10500         If in the frame after unwinding through a signal handler, restore
10501         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
10502         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
10503         'pfs_loc' to the AR.PFS location in the signal context; instead
10504         set 'signal_pfs_loc'.
10505         Manually generate the unwind info for the AR.PFS register.
10506         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
10507         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
10508         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
10509         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
10510         instead set 'signal_pfs_loc'.
10511         Remove code preventing the AR.PFS register from being restored
10512         from the signal context.
10513
10514 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
10515             Tristan Gingold  <gingold@adacore.com>
10516
10517         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
10518         * config/ia64/t-vms: New file.
10519         * config/ia64/vms64.h: New file.
10520         * config/ia64/vms.h: New file.
10521         * config/ia64/vms-crtinit.asm: New file.
10522         * config/ia64/vms_symvec_libgcc_s.opt: New file.
10523         * config/ia64/vms-unwind.h: New file.
10524
10525 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
10526
10527         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
10528         TFmode compares.
10529
10530 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10531
10532         PR middle-end/30789
10533         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
10534         Move declaration...
10535         * real.h (do_mpc_arg2): ... here.
10536         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
10537         and RDIV_EXPR.
10538
10539 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
10540
10541         * final.c (add_debug_prefix_map): Don't use GC memory for
10542         old_prefix and new_prefix.
10543
10544 2009-08-14  Richard Guenther  <rguenther@suse.de>
10545
10546         * ipa-prop.c (compute_complex_pass_through): If we cannot
10547         compute a non-varying offset for IPA_JF_ANCESTOR punt.
10548
10549 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10550
10551         * c-lex.c (c_lex_with_flags): Increase size of local variable
10552         to avoid memory clobber.
10553
10554 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
10555
10556         PR target/40934
10557         * config/i386/i386.c (ix86_fp_comparison_strategy):
10558         Only enable/disable sahf at function granularity.
10559
10560 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
10561
10562         PR rtl-optimization/41064
10563         * reload1.c (reload_as_needed): Don't call extract_insn
10564         for known invalid replacements after calling
10565         validate_replace_rtx_group and verify_changes.
10566
10567 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
10568
10569         PR target/41019
10570         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
10571         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
10572         ix86_expand_fp_vcond.
10573         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
10574         Assert that operation is supported by ix86_expand_int_vcond.
10575         (vcondu<SSEMODE124C8:mode>): Ditto.
10576
10577 2009-08-13  DJ Delorie  <dj@redhat.com>
10578
10579         * config/i386/djgpp-stdint.h: New.
10580         * config.gcc (djgpp): Use it.
10581
10582 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
10583
10584         * config/sh/sh.c (sh_override_options): When flag_exceptions or
10585         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
10586
10587 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
10588
10589         * tree-ssa-loop-prefetch.c
10590         (prune_ref_by_group_reuse): Enhance probabilistic analysis
10591         for long-stride pruning.
10592         (compute_miss_rate): New function to compute the probability
10593         that two memory references access different cache lines.
10594
10595 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
10596
10597         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
10598
10599 2009-08-13  Richard Guenther  <rguenther@suse.de>
10600
10601         PR middle-end/41047
10602         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
10603         use the constant pointer type.
10604         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
10605         of CV qualifiers on the target pointer type.
10606         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
10607         conversion check before restrict check.
10608
10609 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10610
10611         PR target/41029
10612         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
10613
10614 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
10615
10616         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
10617
10618 2009-08-12  Richard Guenther  <rguenther@suse.de>
10619
10620         PR tree-optimization/41011
10621         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
10622         and reference constructing.
10623
10624 2009-08-12  Xinliang David Li  <davidxl@google.com>
10625
10626         PR tree-optimization/41012
10627         * tree-flow.h : New external interface.
10628         * gimple-low.c (check_call_arg): Change to public function.
10629         Remove argument mismatch check in lowering.
10630         * tree-inline.h (tree_can_inline_p): Interface change.
10631         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
10632         into this function.
10633         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
10634         Call change to tree_can_inline_p function.
10635         (cgraph_decide_inlining_incrementally): Ditto.
10636
10637 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
10638
10639         PR tree-optimization/41031
10640         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
10641         on the partition variable rather than promote_mode on the source
10642         type.  Assert that the partition variable's type has the same
10643         mode as the source value's.
10644
10645 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
10646
10647         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
10648         for for_return == 2.
10649         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
10650         comments.
10651         * calls.c (expand_call): Fix typo.
10652         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
10653         and PARM_DECL.
10654         * stmt.c (expand_value_return): Use promote_function_mode to copy out
10655         of pseudo.
10656         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
10657         * config/cris/cris.c (cris_promote_function_mode): Likewise.
10658         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
10659         * config/pa/pa.c (pa_promote_function_mode): Likewise.
10660
10661 2009-08-12  Andrew Haley  <aph@redhat.com>
10662
10663         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
10664
10665 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10666
10667         PR bootstrap/40103
10668         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
10669
10670 2009-08-12  Richard Guenther  <rguenther@suse.de>
10671
10672         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
10673         * gimplify.c (gimplify_modify_expr): Do not use
10674         lang_hooks.types_compatible_p.
10675         * tree-ssa.c (useless_type_conversion_p): For aggregates
10676         just return false if the canonical types differ.
10677
10678 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10679
10680         PR middle-end/40980
10681         * sese.c (convert_for_phi_arg): New.
10682         (add_guard_exit_phis): Use convert_for_phi_arg.
10683
10684 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10685
10686         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
10687         unknown subscript upper bounds.
10688
10689 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10690             Pranav Garg  <pranav.garg2107@gmail.com>
10691
10692         * graphite-interchange.c (gather_access_strides): Removed.
10693         (ppl_max_for_le): New.
10694         (build_linearized_memory_access): New.
10695         (memory_stride_in_loop): New.
10696         (pbb_interchange_profitable_p): Reimplemented.
10697         * graphite-ppl.h (ppl_new_id_map): New.
10698         (ppl_interchange): New.
10699
10700 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10701
10702         * graphite-interchange.c (compute_subscript): Removed.
10703         (compute_array_size_cstr): Removed.
10704         (compute_array_size_poly): Removed.
10705         (compute_array_size): Removed.
10706         (gather_access_strides_poly): Removed.
10707         (gather_access_strides): Empty.
10708
10709 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10710
10711         * graphite-dependences.c (dependence_polyhedron_1): Replace
10712         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
10713         (graphite_legal_transform_dr): Same.
10714         (graphite_carried_dependence_level_k): Same.
10715         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
10716         Initialize PDR_NB_SUBSCRIPTS.
10717         (print_pdr_access_layout): Replace pdr_nb_subscripts with
10718         PDR_NB_SUBSCRIPTS.
10719         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
10720         (PDR_NB_SUBSCRIPTS): New.
10721         (pdr_nb_subscripts): Removed.
10722         (pdr_dim): Simplified.
10723         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
10724         with PDR_NB_SUBSCRIPTS.
10725
10726 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10727
10728         * graphite-interchange.c (compute_array_size): Remove use of
10729         PDR_DATA_CONTAINER.
10730         * graphite-poly.c (new_poly_dr): Remove argument data_container.
10731         Do not initialize PDR_DATA_CONTAINER.
10732         (print_pdr): Do not print PDR_DATA_CONTAINER.
10733         * graphite-poly.h (struct poly_dr): Remove data_container field.
10734         (PDR_DATA_CONTAINER): Removed.
10735         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
10736         PDR_DATA_CONTAINER.
10737         (build_poly_dr): Same.
10738
10739 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
10740             Sebastian Pop  <sebastian.pop@amd.com>
10741
10742         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
10743         copy of the dependence polyhedron.  Free the temporary objects.
10744         (graphite_carried_dependence_level_k): Free unused objects before
10745         returning.
10746
10747 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10748
10749         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
10750         Early return without analyzing the data dependences if no
10751         transform has been done.  Call restore_scattering if the transform
10752         is not legal.
10753         (graphite-interchange.c): Same.
10754         * graphite-poly.c (print_scattering_function): Test for
10755         PBB_TRANSFORMED.
10756         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
10757         (apply_poly_transforms): Do not gcc_assert that
10758         the transform is legal.
10759         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
10760         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
10761         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
10762         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
10763         * graphite-poly.h (struct poly_scattering): New.
10764         (struct poly_bb): Add original, transformed, and saved fields.
10765         Remove transformed_scattering, original_scattering,
10766         nb_local_variables and nb_scattering_transform fields.
10767         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
10768         (poly_scattering_new): New.
10769         (poly_scattering_free): New.
10770         (poly_scattering_copy): New.
10771         (store_scattering_pbb): New.
10772         (store_scattering): New.
10773         (restore_scattering_pbb): New.
10774         (restore_scattering): New.
10775         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
10776         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
10777
10778 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10779
10780         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
10781         (print_scop): Same.
10782
10783 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10784
10785         * Makefile.in (graphite.o): Depends on PREDICT_H.
10786         * graphite.c: Include predict.h.
10787         (graphite_finalize): Call tree_estimate_probability.
10788         * predict.c (predict_loops): Do not call scev_initialize and
10789         scev_finalize.
10790         (tree_estimate_probability_bb): New.
10791         (tree_estimate_probability): Do not initialize loops: move that
10792         code to the driver.  Call tree_estimate_probability_bb.
10793         (tree_estimate_probability_driver): New.
10794         (pass_profile): Use tree_estimate_probability_driver.
10795         * predict.h (tree_estimate_probability): Declared.
10796
10797 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
10798
10799         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
10800         * graphite-dependences.c (graphite_legal_transform): Add time to
10801         TV_GRAPHITE_DATA_DEPS.
10802         (dependency_between_pbbs_p): Same.
10803         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
10804
10805 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
10806
10807         PR rtl-optimization/41033
10808         * alias.c (nonoverlapping_component_refs_p): Punt when strict
10809         aliasing is disabled.
10810
10811 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
10812
10813         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
10814         si_mask_operand, and_load_operand, low_bitmask_operand,
10815         and_reg_operand, and_operand): New predicates.
10816         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
10817         * config/mips/mips.c (and_operands_ok): New function.
10818         * config/mips/mips-protos.h (and_operands_ok): Declare it.
10819         * config/mips/mips.md (move_type): Add ext_ins and logical.
10820         (type): Handle them.
10821         (and<mode>3): Use and_reg_operand as the second operand's predicate.
10822         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
10823         shift_shift.  Remove commutative constraint modifier.
10824         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
10825         shift_shift.
10826         (*clear_upper32_dext): Remove define_insn_and_split.
10827         (*clear_upper32): Turn this define_insn_and_split ...
10828         (splitter for ANDing register with 0xffff_ffff): .. into this.
10829
10830 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
10831
10832         * combine.c (try_widen_shift_mode): Factor out code to check if an
10833         integer constant is a low-order bitmask from here ...
10834         * rtlanal.c (low_bitmask_len): ... to here.
10835         * rtl.h (low_bitmask_len): Declare.
10836
10837 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
10838
10839         PR target/8603
10840         * config/alpha/alpha.md (addsi3): Remove expander.
10841         (addsi3): Rename from *addsi3_internal insn pattern.
10842         (subsi3): Remove expander.
10843         (subsi3): Rename from *subsi3_internal insn pattern.
10844
10845 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
10846
10847         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
10848         FWRITE_UNLOCKED.
10849
10850 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
10851             Eric Botcazou  <botcazou@adacore.com>
10852             Douglas B Rupp  <rupp@gnat.com>
10853
10854         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
10855         that records that fit in 64 bits are returned by immediate value,
10856         as required by OpenVMS Calling Standard.
10857         (function_value): Adjust for above modification.
10858         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
10859         virtual_incoming_args_rtx as base object, not next_arg.
10860         * config/alpha/vms.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
10861
10862 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10863
10864         * reload.c (find_reloads_subreg_address): Check the original
10865         req_equiv_mem address to detect the case where an address is
10866         not valid in the outer mode.
10867
10868 2009-08-11  Richard Guenther  <rguenther@suse.de>
10869
10870         PR bootstrap/40788
10871         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
10872
10873 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
10874
10875         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
10876         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
10877
10878 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
10879             Douglas B Rupp  <rupp@gnat.com>
10880
10881         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
10882         PT_STACK when frame_pointer_needed on OpenVMS.
10883         (alpha_pv_save_size, alpha_using_fp): Remove.
10884         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
10885         with proper processing for PT_NULL.
10886         (alpha_vms_initial_elimination_offset): New function. Support for
10887         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
10888         (alpha_sa_size): Force procedure type to PT_STACK when
10889         frame_pointer_needed on OpenVMS.
10890         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
10891         (alpha_using_fp): Likewise.
10892         (alpha_vms_can_eliminate): Add prototype.
10893         (alpha_vms_initial_elimination_offset): Likewise.
10894         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
10895         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
10896
10897 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
10898             Douglas B Rupp  <rupp@gnat.com>
10899
10900         * config/alpha/alpha.c (common_object_handler): New function.
10901         (vms_attribute_table): Declare a single attribute "common_object".
10902         (vms_output_aligned_decl_common): New global function.
10903         (SECTION_VMS_OVERLAY): Delete.
10904         (SECTION_VMS_GLOBAL): Likewise.
10905         (SECTION_VMS_INITIALIZE): Likewise.
10906         (vms_asm_named_section): Remove support for above flags.
10907         (vms_section_type_flags): Delete.
10908         (TARGET_SECTION_TYPE_FLAGS): Likewise.
10909         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
10910         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
10911         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
10912
10913 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
10914
10915         PR target/41015
10916         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
10917         (sub_ddmmss): Likewise.
10918
10919 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
10920
10921         PR bootstrap/41018
10922         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
10923         year.
10924
10925 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10926
10927         PR target/37053
10928         * reload1.c (reload_as_needed): Use cancel_changes to completely
10929         undo a failed replacement attempt.
10930
10931 2009-08-10  Richard Guenther  <rguenther@suse.de>
10932
10933         PR middle-end/41006
10934         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
10935         (useless_type_conversion_p): ... here.  Require pointer targets
10936         to be compatible.
10937
10938 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
10939
10940         PR c++/40866
10941         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
10942         loose the original type of the statement list.
10943
10944 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
10945
10946         * config/alpha/alpha.c: Include libfuncs.h
10947         (avms_asm_output_extern): New function.
10948         (alpha_init_libfuncs): Init some decc libfuncs.
10949         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
10950         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
10951         (DO_CRTL_NAMES): Define.
10952         (LIB_SPEC): Remove.
10953         * config/alpha/vms64.h (POINTERS_EXTEND_UNSIGNED): Remove undef.
10954         (LONG_TYPE_SIZE): Define.
10955         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
10956         (SUBTARGET_SWITCHES): Define malloc64 switch.
10957         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
10958         (MASK_RETURN_ADDR): Define.
10959         doc/invoke.texi (mmalloc64): Document switch.
10960
10961 2009-08-09  Olivier Hainque  <hainque@adacore.com>
10962             Douglas B Rupp  <rupp@gnat.com>
10963
10964         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
10965         uses_condition_handler.
10966         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
10967         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
10968         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
10969         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
10970         (code_for_builtin): New insn codes for the new alpha_builtins.
10971         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
10972         (alpha_sa_size): Account for uses_condition_handler.
10973         (alpha_expand_prologue): Likewise.
10974         (alpha_start_function): Likewise.
10975         (alpha_expand_epilogue): Likewise.
10976         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
10977         establish/revert expanders.
10978         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
10979         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
10980         New expander, resorting to the alpha.c associated function.
10981         (builtin_revert_vms_condition_handler): Likewise.
10982         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
10983         __gcc_shell_handler, the static VMS condition handler used as
10984         an indirection wrapper to the current dynamically established
10985         handler.
10986         * config/alpha/vms-unwind.h: Complete rewrite.
10987         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
10988         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
10989
10990 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
10991             Douglas B Rupp  <rupp@gnat.com>
10992
10993         * config/alpha/alpha.c (alpha_links): Add 'target' field.
10994         (alpha_need_linkage): Handle aliases.  Return function symbol.
10995         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
10996         Use ultimate alias target for the linkage name.
10997         * config/alpha/alpha.md (movmemdi): Use the symbol returned
10998         by alpha_need_linkage for the function symbol.
10999         (setmemdi): Likewise.
11000
11001 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11002
11003         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
11004         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
11005         (ASM_WEAKEN_LABEL): Define.
11006         (CRT_CALL_STATIC_FUNCTION): Define.
11007         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
11008         (ENDFILE_SPEC): Define.
11009         (INIT_SECTION_ASM_OP): Define.
11010         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
11011         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
11012         crtend.o crtendS.o.
11013         (MULTILIB_OSDIRNAMES): Define.
11014         (shlib_version): Define.
11015         (SHLIB_EXT): Define.
11016         (SHLIB_OBJS): Define.
11017         (SHLIB_NAME): Define.
11018         (SHLIB_MULTILIB): Define.
11019         (SHLIB_INSTALL): Define.
11020         (SHLIB_SYMVEC): Define.
11021         (SHLIB_SYMVECX2): Define.
11022         (SHLIB_LINK): Define.
11023
11024 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11025
11026         * config/alpha/alpha.c (alpha_initialize_trampoline):
11027         Initialize VMS trampoline IAW ABI for bounded procedure calls.
11028         (alpha_start_function): Emit transfer address on nested functions
11029         for VMS trampoline call.
11030         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
11031         since no longer used.
11032         * config/alpha/vms-tramp.asm: Remove.
11033         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
11034         since now only data initialized at runtime.
11035
11036 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11037
11038         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
11039         (LINK_GCC_C_SEQUENCE_SPEC): Define.
11040         (MD_EXEC_PREFIX): Remove, no longer used.
11041         (MD_STARTFILE_PREFIX): Likewise.
11042         (INCLUDE_DEFAULTS): Likewise.
11043         * config/alpha/t-vms:
11044         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
11045
11046 2009-08-09  Richard Guenther  <rguenther@suse.de>
11047
11048         PR tree-optimization/41016
11049         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
11050         (operand_precision): Remove.
11051         (integral_operand_p): Likewise.
11052         (recognize_single_bit_test): Adjust.
11053
11054 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11055
11056         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
11057         operation overflows.  Likewise non-cast unary arithmetic.
11058         If one arm of a conditional expression is always taken,
11059         inhibit evaluation warnings for the other arm.  Likewise inhibit
11060         evaluation warnings for the second && or || operand if the first
11061         operand is enough to determine the result.
11062         * c-typeck.c (build_conditional_expr): Apply the same inhibition
11063         rules here.
11064         (build_binary_op): Prevent duplicate evaluation warnings.
11065
11066 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
11067
11068         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
11069         and destination have different modes, Use promote_mode to
11070         determine the signedness of the conversion.  Assert that the
11071         promoted source mode matches the destination mode.  Don't pass
11072         the destination and destination mode to expand_expr if the source
11073         mode is different.  Simplify conversion logic.
11074
11075 2009-08-09  Ira Rosen  <irar@il.ibm.com>
11076
11077         PR tree-optimization/41008
11078         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
11079         from condition only in case it's a comparison. Adjust checks.
11080
11081 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
11082
11083         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
11084         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
11085         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
11086         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
11087         (dump_cand): Handle them.
11088         (struct iv_cand): New members COST_STEP and AINC_USE.
11089         (stmt_after_increment): Likewise.
11090         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
11091         callers changed.  Use gimple_uid comparison instead of scanning.
11092         (add_candidate_1): When looking for identical candidates, take
11093         AINC_USE into account.  Set it for new candidates.
11094         (force_expr_to_var_cost): Cast target_spill_cost to int.
11095         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
11096         All callers changed.  Check for availability of autoinc addressing
11097         modes, both in general for a given mode, and in the specific use case.
11098         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
11099         changed.
11100         (get_computation_cost): Likewise.
11101         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
11102         add_autoinc_candidates): New static functions.
11103         (add_candidate): Call add_autoinc_candidates for candidates based on
11104         a USE_ADDRESS use.
11105         (find_iv_candidates): Call set_autoinc_for_original_candidates.
11106         (determine_use_iv_cost_address): If we have an autoinc candidate at
11107         the matching use, verify autoinc is possible and subtract the cost
11108         of the candidate's step from the cost.
11109         (determine_iv_cost): Record the cost of the increment in the COST_STEP
11110         member of the candidate.
11111         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
11112         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
11113
11114 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
11115
11116         * config.build (ia64-hp-*vms*): New target.
11117         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
11118         with ia64-hp-*vms*.
11119         * config.gcc (ia64-hp-*vms*): New target.
11120         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
11121         with ia64-hp-*vms*.
11122         * config.host (ia64-hp-*vms*): New target.
11123         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
11124         with ia64-hp-*vms*.
11125
11126 2009-08-08  Richard Guenther  <rguenther@suse.de>
11127
11128         PR tree-optimization/40991
11129         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
11130
11131 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
11132
11133         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
11134         mode check.  Do truncations in an integer mode.
11135         (force_to_mode): Handle subregs for all mode types.  Only do
11136         arithmetic simplifications on integer modes.
11137
11138 2009-08-07  Richard Guenther  <rguenther@suse.de>
11139
11140         PR tree-optimization/40999
11141         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
11142         (maybe_fold_reference): Lookup constant initializers.
11143         (fold_gimple_assign): Likewise.
11144
11145 2009-08-07  Richard Guenther  <rguenther@suse.de>
11146
11147         * tree-ssa.c (useless_type_conversion_p_1): Only for types
11148         that require structural equality defer to the langhook.
11149
11150 2009-08-07  Martin Jambor  <mjambor@suse.cz>
11151
11152         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
11153         comments.
11154         (struct ipa_pass_through_data): New type.
11155         (struct ipa_ancestor_jf_data): New type.
11156         (union jump_func_value): Removed field formal_id, added fields
11157         pass_through and ancestor.
11158         (struct ipa_param_call_note): Changed type of formal_id to int from
11159         unsigned.
11160         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
11161         operations jump functions and ancestor jump functions.
11162         (compute_complex_pass_through): New function.
11163         (compute_scalar_jump_functions): Call compute_complex_pass_through,
11164         reflect changes in the jump function strucutre.
11165         (update_jump_functions_after_inlining): Ignore complex pass-through
11166         and ancestor jump functions.
11167         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
11168         polynomial pass-through with operation jump functions.
11169
11170 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
11171
11172         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
11173         fde->dw_fde_begin as begin label instead of hot/cold label.
11174         Use LLSDAC label instead of LLSDA for second section lsda.
11175         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
11176         label instead of LLSDA if it is true.
11177         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
11178         callers.
11179         * except.c (add_call_site, dw2_size_of_call_site_table): Add
11180         SECTION argument.  Use it as index into crtl->eh.call_site_record
11181         array.
11182         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
11183         use it to determine how to print table entries instead of using
11184         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
11185         label instead of normal begin label as base.
11186         (sjlj_assign_call_site_values): Adjust add_call_site caller.
11187         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
11188         ensure no EH range spans between sections and that landing pads
11189         are always in the corresponding section.
11190         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
11191         for crtl->eh.call_site_record being an array rather than scalar.
11192         (output_one_function_exception_table): New function, copied
11193         from output_function_exception_table.  Adjust
11194         dw2_size_of_call_site_table, dw2_output_call_site_table
11195         callers.  For SECOND section use *C suffixed labels.
11196         (output_function_exception_table): Call
11197         output_one_function_exception_table and, when doing hot/cold
11198         partitioning, also another time for the second section.
11199         * opts.c: Include except.h.
11200         (decode_options): Allow -freorder-blocks-and-partition with
11201         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
11202         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
11203         * function.h (struct rtl_eh): Change call_site_record from
11204         scalar into array of 2 elements.
11205
11206 2009-08-07  Martin Jambor  <mjambor@suse.cz>
11207
11208         * ipa-prop.c (count_formal_params_1): New function.
11209         (ipa_get_vector_of_formal_parms): New function.
11210         (get_vector_of_formal_parm_types): New function.
11211         (ipa_modify_formal_parameters): New function.
11212         (ipa_modify_call_arguments): New function.
11213         (index_in_adjustments_multiple_times_p): New function.
11214         (ipa_combine_adjustments): New function.
11215         (ipa_dump_param_adjustments): New function.
11216         * ipa-prop.h (struct ipa_parm_adjustment): New type.
11217         (ipa_get_vector_of_formal_parms): Declare.
11218         (ipa_modify_formal_parameters): Declare.
11219         (ipa_modify_call_arguments): Declare.
11220         (ipa_combine_adjustments): Declare.
11221         (ipa_dump_param_adjustments): Declare.
11222         (build_ref_for_offset): Declare.
11223         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
11224         * tree-sra.c: Include ipa-prop.c.
11225         (build_ref_for_offset): Make public.
11226
11227 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
11228
11229         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
11230
11231 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
11232
11233         * gcc/doc/extend.texi (__builtin_extract_return_address)
11234         (__builtin_frob_return_address): Document.
11235
11236 2009-08-06  Paul Brook  <paul@codesourcery.com>
11237
11238         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
11239         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
11240         implementation on ARMv6-M.
11241
11242 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11243
11244         * doc/extend.texi (pcs): Document new attribute for ARM.
11245
11246 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11247
11248         * arm.c (pcs_attribute_args): Comment out unsupported attribute
11249         variants.
11250
11251 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11252
11253         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
11254         warning ().
11255
11256 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11257
11258         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
11259
11260 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
11261
11262         Merge ARM/hard_vfp_branch to trunk.
11263
11264         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
11265
11266         * arm.c (libcall_eq): New function.
11267         (libcall_hash): New function.
11268         (add_libcall): New function.
11269         (arm_libcall_uses_aapcs_base): New function.
11270         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
11271         libcalls using the base PCS.
11272         (arm_init_cumulative_args): Likewise.
11273
11274         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
11275
11276         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
11277         Use base ABI for conversion libfuncs between HFmode and SFmode.
11278
11279         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
11280
11281         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
11282         V4SImode as representatives of all 64-bit and 128-bit vector
11283         types.  Allow vector types without vector modes.
11284         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
11285         without vector modes like BLKmode.
11286         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
11287         BLKmode.  Avoid unsupported vector modes or TImode moves for
11288         non-TARGET_NEON.
11289         (aapcs_vfp_allocate_return_reg): Likewise.
11290         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
11291         V8QImode if TARGET_NEON || TARGET_IWMMXT.
11292
11293         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
11294
11295         * config/arm/arm.c (arm_handle_pcs_attribute): New.
11296         (arm_get_pcs_model): Pass attribute arguments to
11297         arm_pcs_from_attribute.
11298         (arm_init_cumulative_args): Use base AAPCS for conversions from
11299         floating-point types to DImode.
11300         (arm_attribute_table): Add pcs attribute.
11301         (arm_handle_pcs_attribute): New.
11302         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
11303         conversions from floating-point types to DImode, also declare them
11304         to use base AAPCS and declare functions they call to use base
11305         AAPCS and their RTABI names.
11306
11307         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
11308
11309         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
11310         -mfloat-abi=hard not being supported for VFP.
11311
11312         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
11313
11314         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
11315         SYMBOL_REF to hard_libcall_value.
11316
11317         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
11318             Richard Earnshaw  <rearnsha@arm.com>
11319
11320         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
11321         has been put on the stack, all remaining co-processory arguments for
11322         that co-processor also go on the stack.
11323
11324         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
11325
11326         * config/arm/arm.c (arm_return_in_memory): Handle returning
11327         vectors of suitable size in registers also for AAPCS case.
11328
11329         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
11330
11331         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
11332
11333         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
11334
11335         ARM Hard-VFP calling convention
11336         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
11337         * target.h (gcc_target): Add libcall_value to table of call hooks.
11338         * targhooks.h (default_libcall_value): Default implementation.
11339         * targhooks.c (default_libcall_value): Likewise.
11340         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
11341         * optabs.c (expand_unop): Use it.
11342         * expr.h (hard_libcall_value): Pass the function RTX through.
11343         * calls.c (emit_library_call_value_1): Update call to
11344         hard_libcall_value.
11345         * explow.c (hard_libcall_value): Use new target hook.
11346         * config/arm/arm.c: Include cgraph.h
11347         (TARGET_FUNCTION_VALUE): Override default hook.
11348         (arm_pcs_default): New variable.
11349         (arm_override_options): Don't fault hard calling convention with VFP.
11350         Add support for AAPCS variants.
11351         (arm_function_value): Make static.  Handle AAPCS variants.
11352         (arm_libcall_value): New function.
11353         (arm_apply_result_size): Handle VFP registers in results.
11354         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
11355         conventions.
11356         (pcs_attribute_args): New variable.
11357         (arm_pcs_from_attribute): New function.
11358         (arm_get_pcs_model): New function.
11359         (aapcs_vfp_cum_init): New function.
11360         (aapcs_vfp_sub_candidate): New function.
11361         (aapcs_vfp_is_return_candidate): New function.
11362         (aapcs_vfp_is_call_candidate): New function.
11363         (aapcs_vfp_allocate): New function.
11364         (aapcs_vfp_allocate_return_reg): New function.
11365         (aapcs_vfp_advance): New function.
11366         (aapcs_cp_arg_layout): New variable.
11367         (aapcs_select_call_coproc): New function.
11368         (aapcs_select_return_coproc): New function.
11369         (aapcs_allocate_return_reg): New function.
11370         (aapcs_libcall_value): New function.
11371         (aapcs_layout_arg): New function.
11372         (arm_init_cumulative_args): Initialize AAPCS args data.
11373         (arm_function_arg): Handle AAPCS variants using new interface.
11374         (arm_arg_parital_bytes): Likewise.
11375         (arm_function_arg_advance): New function.
11376         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
11377         calling conventions.
11378         (arm_setup_incoming_varargs): Handle new AAPCS args data.
11379         * arm.h (NUM_VFP_ARG_REGS): Define.
11380         (LIBCALL_VALUE): Update.
11381         (FUNCTION_VALUE): Delete.
11382         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
11383         (arm_pcs): New enum.
11384         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
11385         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
11386         (FUNCTION_ARG_REGNO_P): Add VFP regs.
11387         * arm-protos.h (arm_function_arg_advance): Add.
11388         (aapcs_libcall_value): Add.
11389         (arm_function_value): Delete.
11390
11391 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
11392             H.J. Lu  <hongjiu.lu@intel.com>
11393
11394         PR target/40957
11395         * config/i386/i386.c (standard_sse_mode_p): Remove.
11396         (standard_sse_constant_p): Return 2 for integer mode
11397         vector_all_ones_operand when SSE2 is enabled.
11398         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
11399         (ix86_expand_vector_move): Do not check for negative values from
11400         standard_sse_constant_p.
11401
11402 2009-08-06  Richard Guenther  <rguenther@suse.de>
11403
11404         * tree-ssa.c (useless_type_conversion_p_1): Make function and
11405         array type comparisons frontend independent.
11406         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
11407         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
11408         out array reference lower bound and element size operands.
11409         (ao_ref_init_from_vn_reference): Properly compute the offset
11410         for ARRAY_RANGE_REF.
11411         (vn_reference_fold_indirect): Fill out array reference lower
11412         bound and element size operands.
11413         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
11414         a non gimple valued reference operand which can happen for
11415         array reference lower bound or element size.
11416         (create_component_ref_by_pieces_1): Properly generate the
11417         element size operand for array references.
11418
11419 2009-08-06  Richard Guenther  <rguenther@suse.de>
11420
11421         PR tree-optimization/40964
11422         * tree.c (iterative_hash_host_wide_int): Export.
11423         * tree.h (iterative_hash_host_wide_int): Declare.
11424         * tree-ssa-structalias.c (heapvar_map): New struct.
11425         (heapvar_map_eq): New function.
11426         (heapvar_map_hash): Likewise.
11427         (heapvar_lookup): Adjust.
11428         (heapvar_insert): Likewise.
11429         (make_constraint_from_heapvar): Allow multiple heap variables
11430         per decl at different offsets.
11431         (init_alias_heapvars): Adjust.
11432
11433 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
11434
11435         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
11436         * mips_output_sync_loop (mips_output_sync_loop): Only emit
11437         trailing sync if TARGET_SYNC_AFTER_SC.
11438
11439 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
11440
11441         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
11442         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
11443         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
11444         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
11445         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
11446         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
11447         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
11448         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
11449         test_and_set_12): Rewrite calls to mips_output_sync_loop.
11450         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
11451         the prototype declaration match the definition.
11452         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
11453         instructions explicitly.  Add barrier_before and operands
11454         parameters.
11455         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
11456         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
11457         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
11458         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
11459         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
11460         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
11461
11462 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
11463
11464         * tree-ssa-alias.c: Fix intervals to use [) syntax.
11465
11466 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
11467             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
11468
11469         PR target/40906
11470         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
11471         source operand.
11472
11473 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
11474
11475         PR rtl-optimization/40924
11476         * dse.c (canon_address): Before calling cselib_expand_value_rtx
11477         make sure canon_rtx (mem_address) isn't simpler than
11478         canon_rtx (expanded_mem_address).
11479
11480 2009-08-05  Li Feng  <nemokingdom@gmail.com>
11481
11482         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
11483         for each poly_bb_p.
11484         (build_scop_drs): Build alias set for each SCoP.
11485
11486 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
11487
11488         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
11489         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
11490         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
11491         (MIPS_ARCH_FLOAT_SPEC): Likewise.
11492         (BASE_DRIVER_SELF_SPECS): Likewise.
11493
11494 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
11495
11496         * tree-ssa-alias.c: Fix some comment typos.
11497
11498 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
11499
11500         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
11501         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
11502
11503 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
11504
11505         PR c/39902
11506         * simplify-rtx.c (simplify_binary_operation_1): Disable
11507         simplifications for decimal float operations.
11508
11509 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
11510
11511         PR middle-end/40943
11512         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
11513         operand of INDIRECT_REF.
11514
11515 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
11516
11517         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
11518         constants referencing TLS symbols.
11519
11520 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
11521
11522         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
11523         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
11524
11525 2009-08-03  Richard Guenther  <rguenther@suse.de>
11526
11527         * tree.c (make_vector_type): Build a main variant first,
11528         get the canonical one and then build the variant.
11529         * tree-ssa.c (useless_type_conversion_p_1): Handle
11530         fixed-point types.
11531         (useless_type_conversion_p): Conversions to pointers to
11532         incomplete record types are useless.
11533
11534 2009-08-03  Richard Guenther  <rguenther@suse.de>
11535
11536         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
11537         file will be created.
11538         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
11539         * toplev.c (compile_file): Adjust comment.
11540
11541 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11542
11543         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
11544         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
11545         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11546         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
11547         (sh_promote_function_mode): Fix typo.
11548
11549 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
11550
11551         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
11552
11553 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11554
11555         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
11556         declaration arguments.
11557
11558 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
11559
11560         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
11561         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
11562         (ix86_split_ashl): Ditto.
11563         (ix86_expand_vector_init_one_nonzero): Ditto.
11564         (ix86_expand_vector_set): Ditto.
11565         (ix86_expand_reduc_v4sf): Ditto.
11566
11567 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
11568
11569         * explow.c (promote_function_mode): Remove assert.
11570         * config/sh/sh.c (sh_promote_function_mode): Declare.
11571
11572 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11573
11574         * config/pa/pa.c (pa_promote_function_mode): Declare.
11575         Change to static.  Fix promote_mode call.
11576
11577         * gthr-dce.h (CONST_CAST2): Define if not defined.
11578         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
11579
11580         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
11581
11582 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
11583
11584         * expr.c (store_constructor): Use promote_decl_mode.  Remove
11585         now write-only variable unsignedp.
11586         (expand_expr_real_1): Use promote_decl_mode.
11587         * expr.h (promote_function_mode, promote_decl_mode): New.
11588         (promote_mode): Remove last argument.
11589         * function.c (assign_temp): Drop last argument of promote_mode.
11590         (assign_parm_find_data_types): Use promote_function_mode.
11591         (assign_parm_setup_reg): Likewise.
11592         (expand_function_end): Use promote_function_mode.
11593         * calls.c (initialize_argument_information): Use promote_function_mode.
11594         (precompute_arguments): Use promote_mode instead of checking if
11595         only PROMOTE_FUNCTION_MODE is defined.
11596         (expand_call): When making sibcall decisions, use promote_function_mode.
11597         Below, remove an if for targetm.calls.promote_function_return and
11598         and use promote_function_mode.
11599         (emit_library_call_value_1): Use promote_function_mode, fix bug
11600         where promote_mode was passed FOR_CALL == 0 for a return value in an
11601         assertion.
11602         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
11603         * explow.c (promote_function_mode, promote_decl_mode): New.
11604         (promote_mode): Keep only the FOR_CALL == 0 case.
11605         * combine.c (setup_incoming_promotion): Remove test of
11606         promote_function_args.  Use promote_function_mode.
11607         * stmt.c (expand_value_return): Use promote_decl_mode.
11608         (expand_decl): Use promote_decl_mode.
11609
11610         * expr.c (store_constructor): Use promote_decl_mode.  Remove
11611         now write-only variable unsignedp.
11612         (expand_expr_real_1): Use promote_decl_mode.
11613         * expr.h (promote_function_mode, promote_decl_mode): New.
11614         (promote_mode): Remove last argument.
11615         * function.c (assign_temp): Drop last argument of promote_mode.
11616         (assign_parm_find_data_types): Use promote_function_mode.
11617         (assign_parm_setup_reg): Likewise.
11618         (expand_function_end): Use promote_function_mode.
11619         * calls.c (initialize_argument_information): Use promote_function_mode.
11620         (precompute_arguments): Use promote_mode instead of checking if
11621         only PROMOTE_FUNCTION_MODE is defined.
11622         (expand_call): When making sibcall decisions, use promote_function_mode.
11623         Below, remove an if for targetm.calls.promote_function_return and
11624         and use promote_function_mode.
11625         (emit_library_call_value_1): Use promote_function_mode, fix bug
11626         where promote_mode was passed FOR_CALL == 0 for a return value in an
11627         assertion.
11628         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
11629         * explow.c (promote_function_mode, promote_decl_mode): New.
11630         (promote_mode): Keep only the FOR_CALL == 0 case.
11631         * combine.c (setup_incoming_promotion): Remove test of
11632         promote_function_args.  Use promote_function_mode.
11633         * stmt.c (expand_value_return): Use promote_decl_mode.
11634         (expand_decl): Use promote_decl_mode.
11635
11636         * explow.c (promote_function_mode): Just call the target hook.
11637         * targhooks.c (default_promote_function_mode,
11638         default_promote_function_mode_always_promote): New.
11639         * targhooks.h (default_promote_function_mode,
11640         default_promote_function_mode_always_promote): Declare.
11641         * target.h (promote_function_args, promote_function_return): Remove.
11642         (promote_function_mode): New.
11643         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
11644         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
11645         (TARGET_PROMOTE_FUNCTION_MODE): New.
11646         (TARGET_CALLS): Adjust.
11647         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
11648         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
11649
11650         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
11651         * config/s390/s390.c (s390_promote_function_mode): ... here,
11652         with pointer handling.
11653         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11654         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
11655
11656         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
11657         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
11658         with pointer handling.
11659         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11660         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
11661
11662         * config/sh/sh-protos.h (sh_promote_function_mode): New.
11663         * config/sh/sh.c (sh_promote_function_mode): New.
11664         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11665         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
11666
11667         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
11668         * config/cris/cris.c (cris_promote_function_mode): ... here.
11669         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11670         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
11671
11672         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
11673         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
11674         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11675         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
11676
11677         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
11678         * config/arm/arm.c (arm_promote_function_mode): ... here, without
11679         complex type handling.
11680         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11681         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
11682
11683         * config/pa/pa.c (pa_promote_function_mode): New.
11684         (TARGET_PROMOTE_FUNCTION_MODE): Define.
11685         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
11686
11687         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
11688         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
11689         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
11690         * config/xtensa/xtensa.c: Likewise.
11691         * config/stormy16/stormy16.c: Likewise.
11692         * config/iq2000/iq2000.c: Likewise.
11693         * config/rs6000/rs6000.c: Likewise.
11694         * config/picochip/picochip.c: Likewise.
11695         * config/arc/arc.c: Likewise.
11696         * config/mcore/mcore.c: Likewise.
11697         * config/score/score.c: Likewise.
11698         * config/mips/mips.c: Likewise.
11699         * config/bfin/bfin.c: Likewise.
11700         * config/ia64/ia64.c: Likewise (disabled though).
11701
11702         * config/frv/frv.h: Remove pointless remark.
11703
11704         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
11705         TARGET_PROMOTE_FUNCTION_ARGS,
11706         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
11707         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
11708
11709 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
11710
11711         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
11712         -floop-parallelize-all.
11713         * toplev.c (process_options): Rename flag_graphite_force_parallel to
11714         flag_loop_parallelize_all.
11715         * tree-ssa-loop.c (gate_graphite_transforms): Same.
11716         * graphite.c (graphite_transform_loops): Same.
11717         * common.opt: Same.
11718         * graphite-poly.c (apply_poly_transforms): Same.
11719
11720 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
11721
11722         PR tree-optimization/40914
11723         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
11724         if set, then check the delta field of the PMF record.
11725         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
11726         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
11727         call is stored in the delta.
11728
11729 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
11730
11731         * config/mips/mips.md (*clear_upper32_dext): New pattern.
11732
11733 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
11734
11735         * config/i386/bsd.h (ASM_BYTE): New define.
11736         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
11737         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
11738         .byte.  Use fputs or putc instead of fprintf where appropriate.
11739         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
11740         fputs or putc instead of fprintf where appropriate.
11741         * config/i386/i386elf.h: Ditto.
11742         * config/i386/sysv4.h: Ditto.
11743
11744         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
11745         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
11746         (*tls_global_dynamic_64): Ditto.
11747
11748 2009-07-31  Christian Bruel  <christian.bruel@st.com>
11749
11750         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
11751
11752 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11753
11754         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
11755         Remove dead code for MINUS.
11756
11757 2009-07-31  Anthony Green  <green@moxielogic.com>
11758
11759         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
11760         $r12 in prologue.
11761         (moxie_expand_epilogue): Ditto for epilogue.
11762         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
11763         incoming arguments.
11764         (moxie_function_arg): Ditto.
11765         (moxie_pass_by_reference): Ditto.
11766         (moxie_arg_partial_bytes): Ditto.
11767         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
11768         (FUNCTION_ARG_ADVANCE) Ditto.
11769         (REG_PARM_STACK_SPACE) Ditto.
11770         (FUNCTION_ARG_REGNO_P) Dito.
11771
11772         * config.gcc: Add moxie linux config support.
11773         * gcc/config/moxie/uclinux.h: New file.
11774
11775 2009-07-31  DJ Delorie  <dj@redhat.com>
11776
11777         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
11778         (UNSPECV_SP_SWITCH_E): New.
11779         (sp_switch_1): Change to an unspec.
11780         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
11781         replace $r15.
11782         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
11783         reference the new stack's address
11784
11785 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11786
11787         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
11788         graphite-clast-to-gimple.o, graphite-dependences.o,
11789         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
11790         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
11791         (graphite-blocking.o,
11792         graphite-clast-to-gimple.o, graphite-dependences.o,
11793         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
11794         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
11795         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
11796         * cfgloop.h (struct loop): Add can_be_parallel field.
11797         * common.opt (fgraphite-identity): Moved up.
11798         (fgraphite-force-parallel): New flag.
11799         * graphite.c: Rewrite.
11800         * graphite.h: Rewrite.
11801         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
11802         after Graphite.
11803         * toplev.c (graphite_out_file): New file descriptor.
11804         (graphite_in_file): New.
11805         (process_options): flag_graphite_force_parallel cannot be used without
11806         Graphite.
11807         * tree-ssa-loop.c: Include toplev.h.
11808         (gate_graphite_transforms): Enable flag_graphite for
11809         flag_graphite_force_parallel.
11810
11811 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11812
11813         * ChangeLog.graphite: New.
11814         * graphite-blocking.c: New.
11815         * graphite-clast-to-gimple.c: New.
11816         * graphite-clast-to-gimple.h: New.
11817         * graphite-dependences.c: New.
11818         * graphite-dependences.h: New.
11819         * graphite-interchange.c: New.
11820         * graphite-poly.c: New.
11821         * graphite-poly.h: New.
11822         * graphite-ppl.c: New.
11823         * graphite-ppl.h: New.
11824         * graphite-scop-detection.c: New.
11825         * graphite-scop-detection.h: New.
11826         * graphite-sese-to-poly.c: New.
11827         * graphite-sese-to-poly.h: New.
11828         * sese.c: New.
11829         * sese.h: New.
11830
11831 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11832
11833         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
11834         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
11835
11836 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11837
11838         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
11839         (scev_is_linear_expression): Return false if the evolution is not
11840         affine multivariate.
11841
11842 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11843
11844         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
11845         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
11846
11847 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11848
11849         * tree-data-ref.c (debug_data_references): New.
11850         (debug_data_reference): New.
11851         * tree-data-ref.h (debug_data_references): Declared.
11852         (debug_data_reference): Declared.
11853
11854 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11855
11856         * tree-data-ref.c (stmt_simple_memref_p: Removed.
11857         * tree-data-ref.h (scop_p): Removed.
11858         (struct data_reference): Remove field scop.
11859         (DR_SCOP): Removed.
11860         (stmt_simple_memref_p): Removed.
11861
11862 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11863
11864         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
11865         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
11866         basic block empty.
11867
11868 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11869
11870         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
11871
11872 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11873
11874         * doc/invoke.texi (-fgraphite-identity): Documented.
11875
11876 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11877
11878         * tree-scalar-evolution.c: Fix comment.
11879         (instantiate_scev_1): Return unknow from scev instantiation if the
11880         result is not above instantiate_below.
11881
11882 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
11883
11884         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
11885         static anymore.  Instantiate the symbols that may have been introduced
11886         by chrec_apply.
11887         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
11888         Declared.
11889
11890 2009-07-30  DJ Delorie  <dj@redhat.com>
11891
11892         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
11893         .vliw directive to VLIW sections.
11894
11895 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11896
11897         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
11898         New variables.
11899         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
11900         (AUTOHEADER): New variable.
11901         ($(srcdir)/cstamp-h.in): Use it.
11902
11903 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
11904             Pat Haugen  <pthaugen@us.ibm.com>
11905             Revital Eres <ERES@il.ibm.com>
11906
11907         * config/rs6000/vector.md (VEC_F): Add VSX support.
11908         (VEC_A): Ditto.
11909         (VEC_N): Ditto.
11910         (mov<mode>): Ditto.
11911         (vector_load_<mode>): Ditto.
11912         (vector_store_<mode>): Ditto.
11913         (vector GPR move split): Ditto.
11914         (vec_reload_and_plus_<mptrsize>): Ditto.
11915         (vec_reload_and_reg_<mptrsize>): Ditto.
11916         (add<mode>3): Ditto.
11917         (sub<mode>3): Ditto.
11918         (mul<mode>3): Ditto.
11919         (neg<mode>2): Ditto.
11920         (abs<mode>2): Ditto.
11921         (smin<mode>3): Ditto.
11922         (smax<mode>3): Ditto.
11923         (vector_eq<mode>): Ditto.
11924         (vector_gt<mode>): Ditto.
11925         (vector_ge<mode>): Ditto.
11926         (vector_gtu<mode>): Ditto.
11927         (vector_select_<mode>_uns): Ditto.
11928         (vector_eq_<mode>_p): Ditto.
11929         (vector_gt_<mode>_p): Ditto.
11930         (vector_ge_<mode>_p): Ditto.
11931         (vector_gtu_<mode>_p): Ditto.
11932         (cr6_test_for_zero): Ditto.
11933         (cr6_test_for_zero_reverse): Ditto.
11934         (cr6_test_for_lt): Ditto.
11935         (cr6_test_for_lt_reverse): Ditto.
11936         (xor<mode>3): Ditto.
11937         (ior<mode>3): Ditto.
11938         (and<mode>3): Ditto.
11939         (one_cmpl<mode>2): Ditto.
11940         (nor<mode>2): Ditto.
11941         (andc<mode>2): Ditto.
11942         (float<VEC_int<mode>2): Ditto.
11943         (unsigned_float<VEC_int><mode>2): Ditto.
11944         (fix_trunc<mode><VEC_int>2): Ditto.
11945         (fixuns_trunc<mode><VEC_int>2): Ditto.
11946         (vec_init<mode>):
11947         (vec_set<mode>): Ditto.
11948         (vec_extract<mode>): Ditto.
11949         (vec_interleave_highv4sf): Ditto.
11950         (vec_interleave_lowv4sf): Ditto.
11951         (vec_realign_load_<mode>): Ditto.
11952         (vec_shl_<mode>): Ditto.
11953         (vec_shr_<mode>): Ditto.
11954         (div<mode>3): New patterns for VSX.
11955         (vec_interleave_highv2df): Ditto.
11956         (vec_interleave_lowv2df): Ditto.
11957         (vec_pack_trunc_v2df): Ditto.
11958         (vec_pack_sfix_trunc_v2df): Ditto.
11959         (vec_pack_ufix_trunc_v2df): Ditto.
11960         (vec_unpacks_hi_v4sf): Ditto.
11961         (vec_unpacks_lo_v4sf): Ditto.
11962         (vec_unpacks_float_hi_v4si): Ditto.
11963         (vec_unpacks_float_lo_v4si): Ditto.
11964         (vec_unpacku_float_hi_v4si): Ditto.
11965         (vec_unpacku_float_lo_v4si): Ditto.
11966         (movmisalign<mode>): Ditto.
11967         (vector_ceil<mode>2): New patterns for vectorizing math library.
11968         (vector_floor<mode>2): Ditto.
11969         (vector_btrunc<mode>2): Ditto.
11970         (vector_copysign<mode>3): Ditto.
11971
11972         * config/rs6000/predicates.md (easy_vector_constant_msb): New
11973         predicate for setting the high bit in each word, used for copysign.
11974
11975         * config/rs6000/ppc-asm.h (f19): Whitespace.
11976         (f32-f63): Define if VSX.
11977         (v0-v31): Define if Altivec.
11978         (vs0-vs63): Define if VSX.
11979
11980         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
11981
11982         * config/rs6000/power7.md: New file, provide tuning parameters for
11983         -mcpu=power7.
11984
11985         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
11986         (rs6000_cpu_cpp_builtins): Ditto.
11987         (altivec_overloaded_builtins): Ditto.
11988         (altivec_resolve_overloaded_builtin): Ditto.
11989
11990         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
11991         debug switch to disable vectorizing simple math builtin
11992         functions.
11993
11994         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
11995         Vectorize simple math builtin functions.
11996         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
11997         hook to vectorize math builtins.
11998         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
11999         (rs6000_builtin_conversion): Add VSX/power7 support.
12000         (rs6000_builtin_vec_perm): Ditto.
12001         (vsplits_constant): Add support for loading up a vector constant
12002         with just the high bit set in each part.
12003         (rs6000_expand_vector_init): Add VSX/power7 support.
12004         (rs6000_expand_vector_set): Ditto.
12005         (rs6000_expand_vector_extract): Ditto.
12006         (rs6000_emit_move): Ditto.
12007         (bdesc_3arg): Ditto.
12008         (bdesc_2arg): Ditto.
12009         (bdesc_1arg): Ditto.
12010         (rs6000_expand_ternop_builtin): Ditto.
12011         (altivec_expand_builtin): Ditto.
12012         (rs6000_expand_unop_builtin): Ditto.
12013         (rs6000_init_builtins): Ditto.
12014         (altivec_init_builtins): Ditto.
12015         (builtin_function_type): Ditto.
12016         (rs6000_common_init_builtins): Ditto.
12017         (rs6000_handle_altivec_attribute); Ditto.
12018         (rs6000_mangle_type): Ditto.
12019         (rs6000_vector_mode_supported_p): Ditto.
12020         (rs6000_mode_dependent_address): Altivec addresses with AND -16
12021         are mode dependent.
12022
12023         * config/rs6000/vsx.md: New file for VSX support.
12024
12025         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
12026         identifing values with just the most significant bit set.
12027         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
12028         vectorized builtins.
12029
12030         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
12031         (UNSPEC_VRFIM): Delete.
12032         (splitter for loading up vector with most significant bit): New
12033         splitter for vectorizing copysign.
12034         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
12035         vectorizing simple math functions.
12036         (altivec_vrfip): Add support for vectorizing simple math functions.
12037         (altivec_vrfim): Ditto.
12038         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
12039
12040         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
12041         (power7.md, vsx.md): Include for power7 support.
12042         (copysigndf3): Use VSX instructions if -mvsx.
12043         (negdf2_fpr): Ditto.
12044         (absdf2_fpr): Ditto.
12045         (nabsdf2_fpr): Ditto.
12046         (adddf3_fpr): Ditto.
12047         (subdf3_fpr): Ditto.
12048         (muldf3_fpr): Ditto.
12049         (divdf3_fpr): Ditto.
12050         (fix_truncdfdi2_fpr): Ditto.
12051         (cmpdf_internal1): Ditto.
12052         (fred, fred_fpr): Convert into expander/insn to add VSX support.
12053         (btruncdf2, btruncdf2_fpr): Ditto.
12054         (ceildf2, ceildf2_fpr): Ditto.
12055         (floordf2, floordf2_fpr): Ditto.
12056         (floatdidf2, floatdidf2_fpr): Ditto.
12057         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
12058         (fmsubdf4_fpr): Ditto.
12059         (fnmadddf4_fpr_1): Ditto.
12060         (fnmadddf4_fpr_2): Ditto.
12061         (fnmsubdf4_fpr_1): Ditto.
12062         (fnmsubdf4_fpr_2): Ditto.
12063         (fixuns_truncdfdi2): Add expander for VSX support.
12064         (fix_truncdfdi2): Ditto.
12065         (fix_truncdfsi2): Ditto.
12066         (ftruncdf2): Ditto.
12067         (btruncsf2): Whitespace.
12068         (movdf_hardfloat32): Add support for VSX registers.
12069         (movdf_softfloat32): Ditto.
12070         (movdf_hardfloat64): Ditto.
12071         (movdf_hardfloat64_mfpgpr): Ditto.
12072         (movdf_softfloat64): Ditto.
12073         (movti splitters): Add check for vector registers supporting
12074         TImode in the future.
12075         (bpermd): Add power7 bpermd instruction.
12076
12077         * config/rs6000/altivec.h (vec_div): Define if VSX.
12078         (vec_mul): Ditto.
12079         (vec_msub): Ditto.
12080         (vec_nmadd): Ditto.
12081         (vec_nearbyint): Ditto.
12082         (vec_rint): Ditto.
12083         (vec_sqrt): Ditto.
12084         (all predicates): Use the generic builtin function, and not the V4SF
12085         specific function so that the predicates will work with VSX's V2DF.
12086         (vec_all_*): Ditto.
12087         (vec_any_*): Ditto.
12088
12089         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
12090         Document new VSX functions and types.
12091
12092         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
12093         switches.
12094
12095         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
12096         "wa", and "j" constraints.  Modify "v" to talk about Altivec
12097         instead of just vector.
12098
12099 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
12100
12101         PR debug/26475
12102         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
12103         location for phi arguments.
12104         (rewrite_update_phi_arguments): Find locations for reaching defs.
12105         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
12106         Add location to add_phi_arg calls.
12107         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
12108         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
12109         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
12110         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
12111         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
12112         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
12113         * tree-phinodes.c (make_phi_node): Initialize location.
12114         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
12115         (add_phi_arg): Add location parameter.
12116         (remove_phi_arg_num): Move location when moving phi argument.
12117         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
12118         location.
12119         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
12120         slpeel_update_phi_nodes_for_guard1,
12121         slpeel_update_phi_nodes_for_guard2,
12122         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
12123         vect_loop_versioning): Set locations.
12124         * tree-parloops.c (create_phi_for_local_result,
12125         transform_to_exit_first_loop, create_parallel_loop): Add locations.
12126         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
12127         * tree-vect-loop.c (get_initial_def_for_induction,
12128         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
12129         locations.
12130         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
12131         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
12132         (gimple_phi_arg_set_location): New.  Set locus.
12133         (gimple_phi_arg_has_location): New.  Check for locus.
12134         (redirect_edge_var_map_location): New.  Return locus from var_map.
12135         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
12136         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
12137         combining PHI arguments.
12138         (cond_store_replacement): Set location.
12139         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
12140         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
12141         scop_add_exit_phis_edge): Add locations.
12142         * tree-cfgcleanup.c (remove_forwarder_block,
12143         remove_forwarder_block_with_phi): Add locations.
12144         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
12145         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
12146         locations.
12147         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
12148         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
12149         flush_pending_stmts): Add source location.
12150         * lambda-code.c (perfect_nestify): Maintain location stack with argument
12151         stack to preserve locations.
12152         * tree-vect-stmts.c (vectorizable_load): Add location.
12153         * tree-inline.c (copy_phis_for_bb): Copy locus.
12154         (setup_one_parameter): Add call locus to inlined parameter stmts.
12155         (initialize_inlined_parameters): Pass in call location as parameter
12156         assignment locus.
12157         (tree_function_versioning): Pass location to setup_one_parameter.
12158         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
12159         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
12160         copy and edge lists.
12161         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
12162         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
12163         locus parameter and override the stmt default if provided.
12164         (new_elim_graph, clear_elim_graph, delete_elim_graph,
12165         elim_graph_add_edge, elim_graph_remove_succ_edge,
12166         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
12167         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
12168         eliminate_phi):  Add locus info in elimination graph for each edge and
12169         value copy.
12170         (insert_backedge_copies): Copy locus if present.
12171         * tree-flow.h (struct _edge_var_map): Add locus field.
12172         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
12173         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
12174         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
12175         locations.
12176         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
12177
12178 2009-07-30  Martin Jambor  <mjambor@suse.cz>
12179
12180         PR tree-optimization/40570
12181         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
12182         use inlining loops.
12183
12184 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
12185
12186         * ssa-loop-manip.c: Include langhooks.h.
12187         (rewrite_phi_with_iv): New.
12188         (rewrite_all_phi_nodes_with_iv): New.
12189         (canonicalize_loop_ivs): Move here from tree-parloops.c.
12190         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
12191         * tree-parloops.c (loop_parallel_p): Move out all conditions
12192         except dependency check.
12193         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
12194         (gen_parallel_loop): Call canonicalize_loop_ivs without
12195         reduction_list argument.
12196         (build_new_reduction): New.
12197         (gather_scalar_reductions): New.
12198         (try_get_loop_niter): New.
12199         (try_create_reduction_list): New.
12200         (parallleize_loops): Change the parallel conditions check.
12201         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
12202         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
12203
12204 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
12205
12206         * opt-functions.awk (opt_args): Allow argument to be enclosed in
12207         curly braces.
12208         * doc/options.texi (Option properties):  Mention new quoting syntax.
12209
12210 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12211
12212         * config/alpha/alpha.c (alpha_start_function):
12213         Handle VMS_DEBUG_MAIN_POINTER
12214         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
12215         * doc/invoke.texi: Document -mdebug-main switch.
12216
12217 2009-07-29  Richard Henderson  <rth@redhat.com>
12218
12219         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
12220         (cgraph_create_edge_including_clones): Likewise.
12221         * tree-inline.c (copy_bb): Operate on the correct edges
12222         when updating the callgraph.
12223
12224 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12225
12226         * config/alpha/vms-cc.c: Deleted.
12227         * config/alpha/vms-ld.c: Deleted.
12228         * config/alpha/t-vms64: Moved to config/vms
12229         * config/alpha/vms-crt0-64.c: Moved to config/vms
12230         * config/alpha/vms-crt0.c: Moved to config/vms
12231         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
12232         * config/alpha/vms-psxcrt0.c: Moved to config/vms
12233         * config/alpha/xm-vms.h: Moved to config/vms
12234         * config/alpha/x-vms: Moved to config/vms
12235         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
12236         config/vms/t-vms.
12237         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
12238         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
12239         (version): Set.
12240         * config/vms/t-vms64: Moved here from config/alpha
12241         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
12242         (argc,argv,envp): Enforce 32bit malloc'ing.
12243         * config/vms/vms-psxcrt0-64.c: Likewise.
12244         * config/vms/vms-crt0.c: Moved here from config/alpha.
12245         * config/vms/vms-psxcrt0.c: Likewise.
12246         * config/vms/vms-crtl-64.h: New file.
12247         * config/vms/vms-crtl.h: New file.
12248         * config/vms/vms.opt: New file.
12249         * config/vms/xm-vms64.h: New file.
12250         * config/vms/xm-vms.h: Moved here from config/alpha.
12251         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
12252         Set.
12253         * config/vms/x-vms: Moved here from config/alpha.
12254         (version, VMS_EXTRA_PARTS): Moved to t-vms.
12255         (vms-ld.o, vms-cc.o): Removed.
12256         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
12257
12258 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12259
12260         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
12261         correct stack (obvious VMS fix).
12262
12263 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
12264
12265         * dwarf2out.c (output_file_names): Output VMS style file name, size,
12266         date, version info if VMS_DEBUGGING_INFO defined.
12267         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
12268         size, date calculating code moved here.
12269
12270 2009-07-29  Paul Brook  <paul@codesourcery.com>
12271
12272         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
12273         do_push/do_pop.
12274
12275 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
12276
12277         PR target/40577
12278         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
12279         to DImode when generating insq_le insn.
12280
12281 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
12282
12283         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
12284         New macro set for VMS_DEBUGGGING_INFO.
12285         (AT_string_form): Use it.
12286
12287 2009-07-28  DJ Delorie  <dj@redhat.com>
12288
12289         * config/mep/mep.c (vtext_section): New.
12290         (vftext_section): New.
12291         (ftext_section): New.
12292         (mep_select_section): Add support for functions.
12293         (mep_unique_section): Likewise.
12294         (mep_asm_init_sections): Likewise.
12295         (mep_encode_section_info): Remove it from here.
12296
12297         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
12298
12299 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
12300
12301         * tree.h (TREE_DEPRECATED): Document it is used for types too.
12302         (TYPE_VECTOR_OPAQUE): Use default_def_flag
12303
12304 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
12305
12306         * dwarf2out.c (output_file_names): Test new macro
12307         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
12308         (add_comp_dir_attribute): Likewise.
12309
12310 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
12311
12312         * config/i386/mingw-w64.h (LINK_SPEC): Add
12313         separating space between commands.
12314
12315 2009-07-28  Jan Hubicka  <jh@suse.cz>
12316
12317         PR tree-optimization/40759
12318         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
12319         for renaming.
12320
12321 2009-07-27  DJ Delorie  <dj@redhat.com>
12322
12323         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
12324         types are dword-aligned.
12325         (mep_expand_va_start): Likewise.
12326
12327 2009-07-27  Olivier Hainque  <hainque@adacore.com>
12328             Douglas B Rupp  <rupp@gnat.com>
12329
12330         * convert.c (convert_to_pointer): Don't assume the target
12331         pointer type is POINTER_SIZE long. Fetch its precision instead.
12332
12333 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
12334
12335         * system.h (fopen): Undefine if macro.
12336
12337 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
12338
12339         * dwarf2out.c (output_cfi_p): Removed.
12340         (output_cfis): New function.
12341         (output_fde): New function, split from output_call_frame_info.
12342         (output_call_frame_info): Use it.
12343         (dwarf2out_switch_text_section): Use output_cfis.
12344
12345 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
12346
12347         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
12348         TARGET_BI_ARCH is specified without enabling SJLJ.
12349         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
12350         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
12351
12352 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
12353
12354         * arm.md (negdi2): Use DImode if forcing a value into a register.
12355
12356 2009-07-26  Ira Rosen  <irar@il.ibm.com>
12357
12358         PR tree-optimization/40801
12359         * tree-vect-stmts.c (vectorizable_call): Get previous copy
12360         of vector operand from the previous copy of vector statement.
12361         Pass the correct definition type value to
12362         vect_get_vec_def_for_stmt_copy().
12363
12364 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12365
12366         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
12367         const char ** conversion.
12368
12369 2009-07-25 David Daney <ddaney@caviumnetworks.com>
12370
12371         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
12372         fancy_abort() if !ENABLE_ASSERT_CHECKING.
12373         (gcc_unreachable): Invoke __builtin_unreachable() if
12374         !ENABLE_ASSERT_CHECKING.
12375
12376 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
12377
12378         PR rtl-optimization/40445
12379         * emit-rtl.c (next_nonnote_insn_bb): New function.
12380         * rtl.h (next_nonnote_insn_bb): Declare new function.
12381         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
12382         with no successors that is the successor of the ENTRY_BLOCK.
12383         Continue from the top after removing an empty fallthrough block.
12384         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
12385         of next_nonnote_insn.
12386
12387 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
12388
12389         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
12390
12391 2009-07-25  Martin Jambor  <mjambor@suse.cz>
12392
12393         * c-common.c (c_common_attribute_table): New element for noclone.
12394         (handle_noclone_attribute): New function. Forward-declare.
12395         * tree-inline.c (tree_versionable_function_p): Check for noclone
12396         attribute.
12397         * doc/extend.texi (Labels as Values): Document need for noclone.
12398         (Function Attributes): Document noclone attribute.
12399
12400 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
12401
12402         PR rtl-optimization/34999
12403         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
12404         and dw_fde_switched_cold_to_hot fields.
12405         (output_cfi_p): New function.
12406         (output_call_frame_info): If fde->dw_fde_switched_sections,
12407         output 2 FDEs instead of one with corrupted header.
12408         (dwarf2out_do_cfi_startproc): New function.
12409         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
12410         and fde->dw_fde_switched_cold_to_hot.
12411         (dwarf2out_switch_text_section): Compute
12412         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
12413         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
12414         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
12415         Otherwise, compute fde->dw_fde_switch_cfi.
12416
12417 2009-07-24  Cary Coutant  <ccoutant@google.com>
12418
12419         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
12420
12421 2009-07-24  Cary Coutant  <ccoutant@google.com>
12422
12423         * cfghooks.c (split_block): Copy discriminator to new block.
12424         * tree-cfg.c (assign_discriminator): Check location of last
12425         instruction in block as well as first.
12426
12427 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
12428
12429         * config/i386/linux.c: Use fputs or putc instead of fprintf
12430         where appropriate.
12431         * config/i386/gas.h: Ditto.
12432         * config/i386/x86-64.h: Ditto.
12433         * config/i386/att.h: Ditto.
12434
12435 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
12436
12437         * expmed.c (emit_store_flag): Use a recursive call to optimize the
12438         xor case.
12439
12440 2009-07-24  Martin Jambor  <mjambor@suse.cz>
12441
12442         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
12443         (ipa_push_func_to_list_1): Declare.
12444         (ipa_push_func_to_list): New function.
12445
12446         * ipa-prop.c (ipa_push_func_to_list_1): New function.
12447         (ipa_init_func_list): Call ipa_push_func_to_list_1.
12448         (ipa_push_func_to_list): Removed.
12449         (ipa_pop_func_from_list): Clear node_enqueued flag.
12450
12451 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12452
12453         * config/s390/s390.c (override_options): Default
12454         max-unrolled-insns to 100 for z10 tuning.
12455
12456 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
12457
12458         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
12459         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
12460         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
12461         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
12462         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
12463         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
12464         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
12465
12466 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
12467
12468         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
12469         use default set in mingw32.h header.
12470         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
12471         64-bit /mingw/include path.
12472         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
12473         path.
12474
12475 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
12476
12477         PR rtl-optimization/40209
12478         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
12479
12480 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
12481
12482         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
12483         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
12484         with the rest of string where appropriate.  Use fputs or putc
12485         instead of fprintf where appropriate.
12486
12487 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
12488             Pat Haugen  <pthaugen@us.ibm.com>
12489             Revital Eres <ERES@il.ibm.com>
12490
12491         * config/rs6000/vector.md: New file.  Move most of the vector
12492         expander support here from altivec.md to allow for the VSX vector
12493         unit in the future.  Add support for secondary_reload patterns.
12494         Rewrite the patterns for vector comparison, and vector comparison
12495         predicate instructions so that the RTL expresses the desired
12496         behavior, instead of using unspec.
12497
12498         * config/rs6000/constraints.md ("f" constraint): Use
12499         rs6000_constraints to hold the precalculated register class.
12500         ("d" constraint): Ditto.
12501         ("wd" constraint): New constraint for VSX.
12502         ("wf" constraint): Ditto.
12503         ("ws" constraint): Ditto.
12504         ("wa" constraint): Ditto.
12505         ("wZ" constraint): Ditto.
12506         ("j" constraint): Ditto.
12507
12508         * config/rs6000/predicates.md (vsx_register_operand): New
12509         predicate for VSX.
12510         (vfloat_operand): New predicate for vector.md.
12511         (vint_operand): Ditto.
12512         (vlogical_operand): Ditto.
12513         (easy_fp_constant): If VSX, 0.0 is an easy constant.
12514         (easy_vector_constant): Add VSX support.
12515         (altivec_indexed_or_indirect_operand): New predicate for
12516         recognizing Altivec style memory references with AND -16.
12517
12518         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
12519         for vector secondary reload support.
12520         (rs6000_vector_reg_class): Delete, replacing it with
12521         rs6000_constraints.
12522         (rs6000_vsx_reg_class): Ditto.
12523         (rs6000_constraints): New array to hold the register classes of
12524         each of the register constraints that can vary at runtime.
12525         (builtin_mode_to_type): New static array for builtin function type
12526         creation.
12527         (builtin_hash_table): New static hash table for builtin function
12528         type creation.
12529         (TARGET_SECONDARY_RELOAD): Define target hook.
12530         (TARGET_IRA_COVER_CLASSES): Ditto.
12531         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
12532         registers are 128 bits if VSX memory reference instructions are used.
12533         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
12534         unit is being used.
12535         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
12536         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
12537         Print several of the scheduling related parameters.
12538         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
12539         rs6000_constraints instead of rs6000_vector_reg_class.  Move
12540         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
12541         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
12542         Altivec.  Add VSX support.  Setup for secondary reload support on
12543         Altivec/VSX registers.
12544         (rs6000_override_options): Make power7 set the scheduling groups
12545         like the power5.  Add support for new debug switches to override
12546         the scheduling defaults.  Temporarily disable -mcpu=power7 from
12547         setting -mvsx.  Add support for debug switches -malways-hint,
12548         -msched-groups, and -malign-branch-targets.
12549         (rs6000_buitlin_conversion): Add support for returning unsigned
12550         vector conversion functions to fix regressions due to stricter
12551         type checking.
12552         (rs6000_builtin_mul_widen_even): Ditto.
12553         (rs6000_builtin_mul_widen_odd): Ditto.
12554         (rs6000_builtin_vec_perm): Ditto.
12555         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
12556         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
12557         to zero a register.
12558         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
12559         generated upstream.
12560         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
12561         VSX types for bit operations.  Changes to accomidate vector.md.
12562         (bdesc_2arg): Ditto.
12563         (bdesc_1arg): Ditto.
12564         (struct builtin_description_predicates): Rewrite predicate
12565         handling so that RTL describes the operation, instead of passing
12566         the instruction to be used as a string argument.
12567         (bdesc_altivec_preds): Ditto.
12568         (altivec_expand_predicate_builtin): Ditto.
12569         (altivec_expand_builtin): Ditto.
12570         (rs6000_expand_ternop_builtin): Use a switch instead of an if
12571         statement for vsldoi support.
12572         (altivec_expand_ld_builtin): Change to use new names from vector.md.
12573         (altivec_expand_st_builtin): Ditto.
12574         (paired_expand_builtin): Whitespace changes.
12575         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
12576         builtin_mode_to_type table for secondary reload.  Call
12577         builtin_function_type to build random builtin functions.
12578         (altivec_init_builtins): Change to use builtin_function_type to
12579         create builtin function types dynamically as we need them.
12580         (builtin_hash_function): New support for hashing the tree types
12581         for builtin function as we need it, rather than trying to build
12582         all of the trees that we need.  Add initial preliminary VSX support.
12583         (builtin_function_type): Ditto.
12584         (builtin_function_eq): Ditto.
12585         (builtin_hash_struct): Ditto.
12586         (rs6000_init_builtins): Ditto.
12587         (rs6000_common_init_builtins): Ditto.
12588         (altivec_init_builtins): Ditto.
12589         (rs6000_common_init_builtins): Ditto.
12590         (enum reload_reg_type): New enum for simplifing reg classes.
12591         (rs6000_reload_register_type): Simplify register classes into GPR,
12592         Vector, and other registers.  Altivec and VSX addresses in reload.
12593         (rs6000_secondary_reload_inner): Ditto.
12594         (rs6000_ira_cover_classes): New target hook, that returns the
12595         appropriate cover classes, based on -mvsx being used or not.
12596         (rs6000_secondary_reload_class): Add VSX support.
12597         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
12598         (get_vsel_insn): Ditto.
12599         (rs6000_emit_vector_compare): Rewrite vector conditional support
12600         so that where we can, we use RTL operators, instead of blindly use
12601         UNSPEC.
12602         (rs6000_emit_vector_select): Ditto.
12603         (rs6000_emit_vector_cond_expr): Ditto.
12604         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
12605         (create_TOC_reference): Add -mdebug=addr support.
12606         (emit_frame_save): VSX loads/stores need register indexed addressing.
12607
12608         * config/rs6000/rs6000.md: Include vector.md.
12609
12610         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
12611
12612         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
12613         support for V2DI, V2DF in logical, permute, select operations.
12614
12615         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
12616         switch for vsx/power7.
12617         (-mvsx-scalar-memory): Ditto.
12618         (-mvsx-align-128): Ditto.
12619         (-mallow-movmisalign): Ditto.
12620         (-mallow-df-permute): Ditto.
12621         (-msched-groups): Ditto.
12622         (-malways-hint): Ditto.
12623         (-malign-branch-targets): Ditto.
12624
12625         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
12626         hook instead.
12627         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
12628         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
12629         (rs6000_vector_reg_class): Delete.
12630         (rs6000_vsx_reg_class): Ditto.
12631         (enum rs6000_reg_class_enum): New enum for the constraints that
12632         vary based on target switches.
12633         (rs6000_constraints): New array to hold the register class for all
12634         of the register constraints that vary based on the switches used.
12635         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
12636         (enum rs6000_builtins): Add unsigned varients for the builtin
12637         declarations returned by target hooks for expanding multiplies,
12638         select, and permute operations.  Add VSX builtins.
12639         (enum rs6000_builtin_type_index): Add entries for VSX.
12640         (V2DI_type_node): Ditto.
12641         (V2DF_type_node): Ditto.
12642         (unsigned_V2DI_type_node): Ditto.
12643         (bool_long_type_node): Ditto.
12644         (intDI_type_internal_node): Ditto.
12645         (uintDI_type_internal_node): Ditto.
12646         (double_type_internal_node): Ditto.
12647
12648         * config/rs6000/altivec.md (whole file): Move all expanders to
12649         vector.md from altivec.md.  Rename insn matching functions to be
12650         altivec_foo.
12651         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
12652         (altivec_vcmp*): Ditto.
12653         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
12654         (VM): New iterator for moves that includes the VSX types.
12655         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
12656         (altivec_vperm_<mode>_uns): New, for unsigned types.
12657         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
12658         (altivec_eq<mode>): Ditto.
12659         (altivec_gt<mode>): Ditto.
12660         (altivec_gtu<mode>): Ditto.
12661         (altivec_eqv4sf): Ditto.
12662         (altivec_gev4sf): Ditto.
12663         (altivec_gtv4sf): Ditto.
12664         (altivec_vcmpbfp_p): Ditto.
12665
12666 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
12667
12668         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
12669         unsigned HWI.
12670
12671 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
12672
12673         PR target/40832
12674         * config/i386/i386.c (output_387_ffreep): Rewrite to use
12675         ASM_SHORT instead of .word.
12676         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
12677         instead of .word in asm template.
12678
12679 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
12680
12681         PR target/37488
12682         * ira-lives.c (bb_has_abnormal_call_pred): New function.
12683         (process_bb_node_lives): Use it.
12684
12685         * ira.c (setup_cover_and_important_classes): Don't setup
12686         ira_important_class_nums.  Add cover classes to the end of
12687         important classes.
12688         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
12689         New.
12690         (find_reg_class_closure): Use reorder_important_classes.
12691
12692         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
12693
12694         * config/i386/i386.c (i386_ira_cover_classes): New function.
12695         (TARGET_IRA_COVER_CLASSES): Redefine.
12696
12697         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
12698         importance of order of cover classes in the array.
12699
12700 2009-07-22  Diego Novillo  <dnovillo@google.com>
12701
12702         * tree-pass.h (TDF_EH): Define.
12703         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
12704         contains TDF_EH, print the EH region number holding GS.
12705         * tree-dump.c (dump_options): Add "eh".
12706         * doc/invoke.texi: Document it.
12707
12708 2009-07-22  Doug Kwan  <dougkwan@google.com>
12709
12710         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
12711
12712 2009-07-22  Michael Matz  <matz@suse.de>
12713
12714         PR tree-optimization/35229
12715         PR tree-optimization/39300
12716
12717         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
12718         (inhibit_phi_insertion): New function.
12719         (insert_into_preds_of_block): Call it for REFERENCEs.
12720         (init_pre): Initialize and finalize scalar evolutions.
12721         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
12722
12723 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
12724
12725         * config/i386/predicates.md (zero_extended_scalar_load_operand):
12726         Use CONST_VECTOR_NUNITS to determine number of elements.
12727
12728 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
12729
12730         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
12731         (U, W): Constraints are now deprecated and will be removed if we
12732         run out of letters.
12733         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
12734         the file.
12735         ("prefetch"): Add the stcmh instruction for prefetching.
12736         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
12737         changes.
12738         (s390_short_displacement): Return always true if compiling for
12739         machines not providing the long displacement facility.
12740         (s390_mem_constraint): Support the new constraint letter Z.
12741         (s390_check_qrst_address): New function.
12742
12743 2009-07-21  DJ Delorie  <dj@redhat.com>
12744
12745         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
12746         alone too.
12747
12748 2009-07-21  Jason Merrill  <jason@redhat.com>
12749
12750         * c-common.c (max_tinst_depth): Increase default to 1024.
12751
12752 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
12753
12754         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
12755         (vec_unpacku_float_lo_v4si): Ditto.
12756
12757 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
12758
12759         PR target/40811
12760         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
12761         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
12762         (builtin_description): Add __builtin_ia32_cvtudq2ps.
12763         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
12764
12765 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
12766
12767         PR tree-optimization/40813
12768         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
12769         it.
12770
12771 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
12772
12773         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
12774         with a NOP_EXPR if needed.
12775
12776 2009-07-21  Paul Brook <paul@codesourcery.com>
12777
12778         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
12779         Terminate debug dump with newline.
12780
12781 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12782
12783         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
12784         Cast "1" to unsigned HOST_WIDE_INT.
12785         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
12786         deposit length to the maximum length - lsb.  Extend length if
12787         HOST_BITS_PER_WIDE_INT is 32.
12788
12789 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
12790
12791         * cgraph.h (constant_pool_htab): New function.
12792         (constant_descriptor_tree): Move from varasm.c.
12793         * varasm.c (constant_pool_htab): New function.
12794         (constant_descriptor_tree): Move to cgraph.h.
12795
12796 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
12797
12798         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
12799
12800 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
12801
12802         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
12803         $(VARRAY_H).
12804
12805 2009-07-20  Xinliang David Li  <davidxl@google.com>
12806
12807         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
12808
12809 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
12810
12811         * config/mips/mips.md (move_type): Add arith.
12812         (type): Handle arith.
12813         (zero_extendsidi2): Rename this into ...
12814         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
12815         (zero_extendsidi2): New expander.
12816         (*zero_extendsidi2_dext): New pattern.
12817
12818 2009-07-20  Nick Clifton  <nickc@redhat.com>
12819
12820         * config.gcc (mips64-*-*): Add definition of tm_defines in order
12821         to set MIPS_ABI_DEFAULT.
12822         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
12823
12824 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
12825
12826         * tree-object-size.c (addr_object_size): Handle unions with
12827         array in it as last field of structs in __bos (, 1) as __bos (, 0).
12828
12829         PR tree-optimization/40792
12830         * tree.c (build_function_type_skip_args): Remove bogus assert.
12831
12832 2009-07-20  Jan Hubicka  <jh@suse.cz>
12833             Martin Jambor  <mjambor@suse.cz>
12834
12835         * cgraph.h (combined_args_to_skip): New field.
12836         * cgraph.c (cgraph_create_virtual_clone): Properly handle
12837         combined_args_to_skip and args_to_skip.
12838         * tree-inline.c (update_clone_info): New function.
12839         (tree_function_versioning): Call update_clone_info.
12840         * cgraphunit.c (cgraph_materialize_clone): Dump materialized
12841         functions.
12842         (cgraph_materialize_all_clones): More extensive dumping, working
12843         with combined_args_to_skip rather than args_to_skip.
12844
12845 2009-07-20  Ira Rosen  <irar@il.ibm.com>
12846
12847         * tree-vectorizer.h (vectorizable_condition): Add parameters.
12848         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
12849         (get_initial_def_for_reduction): Likewise.
12850         (vectorizable_reduction): Skip the check of first operand in case
12851         of COND_EXPR. Add check that it is outer loop vectorization if
12852         nested cycle was detected. Call vectorizable_condition() for
12853         COND_EXPR. If reduction epilogue cannot be created do not fail for
12854         nested cycles (if it is not double reduction). Assert that there
12855         is only one type in the loop in case of COND_EXPR. Call
12856         vectorizable_condition() to vectorize COND_EXPR.
12857         * tree-vect-stmts.c (vectorizable_condition): Update comment.
12858         Add parameters. Allow nested cycles if called from
12859         vectorizable_reduction(). Use reduction vector variable if provided.
12860         (vect_analyze_stmt): Call vectorizable_reduction() before
12861         vectorizable_condition().
12862         (vect_transform_stmt): Update call to vectorizable_condition().
12863
12864 2009-07-20  Christian Bruel  <christian.bruel@st.com>
12865
12866         * config/sh/sh.opt (-mfmovd): Resurrect and document.
12867         * doc/invoke.texi (-mfmovd): Likewise.
12868         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
12869
12870 2009-07-20  Jan Hubicka  <jh@suse.cz>
12871
12872         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
12873         when handling SSA name.
12874
12875 2009-07-19  Jan Hubicka  <jh@suse.cz>
12876
12877         PR tree-optimization/40676
12878         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
12879         virtual PHIs in empty BBs.
12880
12881 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
12882
12883         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
12884         re-expanded the compound use gen_lowpart instead to convert to the
12885         desired mode.
12886
12887 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
12888
12889         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
12890         OUTER_CONST arguments.
12891         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
12892         the new wider mode will be masked off.
12893         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
12894
12895 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
12896
12897         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
12898         high-order bits are zero.
12899
12900 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
12901
12902         * combine.c (simplify_shift_const_1): Split code to determine
12903         shift_mode into ...
12904         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
12905         new bits shifted in are identical to the old sign bit.
12906
12907 2009-07-18  Richard Guenther  <rguenther@suse.de>
12908
12909         PR c/40787
12910         * gimplify.c (gimplify_call_expr): Reject code using results from
12911         functions returning void.
12912
12913 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
12914
12915         * doc/md.texi: Document the new PowerPC "es" constraint.
12916         Document that "m" can include automodified addresses on this target,
12917         and explain how %U must be used.  Extend the "Q" and "Z" documentation
12918         to suggest "es" as well as "m".
12919         * config/rs6000/constraints.md (es): New memory constraint.
12920         (Q, Z): Update strings to match new documentation.
12921
12922 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
12923
12924         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
12925         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
12926         * config/rs6000/predicates.md (volatile_mem_operand): Use
12927         offsettable_nonstrict_memref_p.
12928         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
12929         (*floatunssidf2_internal): Likewise.
12930         (*fix_truncdfsi2_internal): Likewise.
12931         (*fix_trunctfsi2_internal): Likewise.
12932
12933 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
12934
12935         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
12936         atmega32u2 devices.
12937         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12938
12939 2009-07-17  Richard Guenther  <rguenther@suse.de>
12940
12941         PR c/40401
12942         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
12943         (pass_warn_unused_result): Likewise.
12944         (TODO_set_props): Remove.
12945         * omp-low.c (diagnose_omp_structured_block_errors): Change to
12946         run as a pass.
12947         (pass_diagnose_omp_blocks): Define.
12948         * c-decl.c (pop_file_scope): Do not finalize the CU here.
12949         (c_gimple_diagnostics_recursively): Remove.
12950         (finish_function): Do not call it.
12951         (c_write_global_declarations): Continue after errors.
12952         Finalize the CU here.
12953         * c-gimplify.c (c_genericize): Do not gimplify here.
12954         * c-common.c (c_warn_unused_result): Move ...
12955         * tree-cfg.c (do_warn_unused_result): ... here.
12956         (run_warn_unused_result): New function.
12957         (gate_warn_unused_result): New function.
12958         (pass_warn_unused_result): New pass.
12959         * c-common.h (c_warn_unused_result): Remove.
12960         * flags.h (flag_warn_unused_result): Declare.
12961         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
12962         * opts.c (flag_warn_unused_result): Initialize to false.
12963         * toplev.c (compile_file): Add comment.
12964         * omp-low.c (create_omp_child_function): Do not register
12965         the function with the frontend.
12966         (diagnose_omp_structured_block_errors): Prepare to be
12967         called as optimization pass.
12968         (gate_diagnose_omp_blocks): New function.
12969         (pass_diagnose_omp_blocks): New pass.
12970         * cgraph.h (cgraph_optimize): Remove.
12971         (cgraph_analyze_function): Likewise.
12972         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
12973         * cgraphunit.c (cgraph_lower_function): Lower nested functions
12974         before their parents here.
12975         (cgraph_finalize_function): Not here.
12976         (cgraph_analyze_function): Gimplify functions here.
12977         (cgraph_finalize_compilation_unit): Continue after errors.
12978         Optimize the callgraph from here.
12979         (cgraph_optimize): Make static.
12980         * langhooks.c (write_global_declarations): Finalize the CU.
12981         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
12982         (gimplify_function_tree): Assert we gimplify only once.
12983         Set PROP_gimple_any property.
12984         * tree-nested.c (gimplify_all_functions): New function.
12985         (lower_nested_functions): Gimplify all nested functions.
12986         * gimple.h (diagnose_omp_structured_block_errors): Remove.
12987         * passes.c (init_optimization_passes): Add pass_warn_unused_result
12988         and pass_diagnose_omp_blocks after gimplification.  Do not
12989         set TODO_set_props on all_lowering_passes.
12990         (execute_one_pass): Do not handle TODO_set_props.
12991         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
12992         (gimplify.o): Add tree-pass.h dependency.
12993         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
12994         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
12995         (unsave_r): Likewise.
12996         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
12997         temporary variable.
12998
12999 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
13000
13001         * doc/service.texi (Service): Restore previously removed link,
13002         which isn't broken after all.
13003
13004 2009-07-17  Richard Guenther  <rguenther@suse.de>
13005
13006         PR tree-optimization/40321
13007         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
13008         PHI nodes to the maximal set.
13009         (make_values_for_phi): Add PHI arguments to the maximal set.
13010         (execute_pre): Dump PHI_GEN and the maximal set.
13011
13012 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
13013
13014         PR c++/40780
13015         * gimplify.c (gimplify_conversion): Don't change non-conversions into
13016         VIEW_CONVERT_EXPR.
13017
13018 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
13019
13020         * doc/extend.texi (Nested Functions): Replace broken link with
13021         textual reference.
13022         * doc/service.texi (Service): Remove broken link.
13023
13024 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
13025
13026         PR bootstrap/40781
13027         * builtins.c (expand_builtin_memcmp): Use loc instead of
13028         EXPR_LOCATION (exp).
13029         (expand_builtin_strncmp): Likewise.
13030
13031 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
13032             Manuel López-Ibáñez  <manu@gcc.gnu.org>
13033
13034         PR 40435
13035         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
13036         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
13037         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
13038         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
13039         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
13040         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
13041         tree-inline.c, c-common.c, c-common.h, gimple.c,
13042         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
13043         convert.c: Add location argument to fold_{unary,binary,ternary},
13044         fold_build[123], build_call_expr, build_size_arg,
13045         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
13046         fold_build1_initializer, fold_build2_initializer,
13047         fold_build3_initializer, fold_build_call_array,
13048         fold_build_call_array_initializer, fold_single_bit_test,
13049         omit_one_operand, omit_two_operands, invert_truthvalue,
13050         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
13051         combine_comparisons, fold_builtin_*, fold_call_expr,
13052         build_range_check, maybe_fold_offset_to_address, round_up,
13053         round_down.
13054
13055 2009-07-16  Jason Merrill  <jason@redhat.com>
13056
13057         PR libstdc++/37907
13058         * c-common.c (c_common_reswords): Add __is_standard_layout
13059         and __is_trivial.
13060         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
13061         * doc/implement-cxx.texi: New.
13062         * doc/gcc.texi: Include it.
13063
13064 2009-07-16  DJ Delorie  <dj@redhat.com>
13065
13066         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
13067         compares that may be indirectly affected by previous instructions.
13068
13069 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13070
13071         * builtins.c (do_mpc_arg2): New.
13072         (fold_builtin_2): Fold builtin cpow.
13073         * real.h (HAVE_mpc_pow): New.
13074
13075 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
13076
13077         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
13078         comparison to skip unprofitable schedule
13079
13080 2009-07-16  Simon Baldwin  <simonb@google.com>
13081
13082         * gcc.c (option_map): New flag -no-canonical-prefixes.
13083         * (display_help): Print help text for new flag.
13084         * (process_command): Move options translation and language specifics
13085         and handle new flag early.  Use it to set a function pointer to a
13086         prefix builder.  Replace make_relative_prefix calls with calls to
13087         the function pointed to.  Ignore new flag in regular options handling.
13088         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
13089
13090 2009-07-15  DJ Delorie  <dj@redhat.com>
13091
13092         * config/mep/mep.md (sibcall_internal): Change register to avoid
13093         argument registers.
13094         (sibcall_value_internal): Likewise.
13095
13096 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
13097
13098         PR rtl-optimization/40710
13099         * resource.c (mark_target_live_regs): Reset DF problem to LR.
13100
13101 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
13102
13103         * config/mips/mips.md (*extenddi_truncate<mode>,
13104         *extendsi_truncate<mode>): Change type attribute to move_type
13105         with shift_shift.  Split out code handling exts from here ...
13106         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
13107         pattern.
13108         (*extendhi_truncateqi): Change type attribute to move_type with
13109         shift_shift.  Split out code handling exts from here ...
13110         (*extendhi_truncateqi_exts): ... to this new pattern.
13111
13112 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
13113
13114         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
13115         instead of "and" with inverted sign bit mask value.  Use
13116         "nonimmediate_operand" for operand 1 and operand 2 predicate.
13117         Allocate registers only for operand 4 and operand 5.
13118
13119 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
13120
13121         PR middle-end/40747
13122         * fold-const.c (fold_cond_expr_with_comparison): When folding
13123         < and <= to MIN, make sure the MIN uses the same type as the
13124         comparison's operands.
13125
13126 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
13127
13128         * arm.md (ior_xor): New code iterator.
13129         (split for ior/xor with shift and zero-extend): New split pattern.
13130         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
13131
13132 2009-07-15  Richard Guenther  <rguenther@suse.de>
13133
13134         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
13135         offset member.
13136
13137 2009-07-15  Richard Guenther  <rguenther@suse.de>
13138
13139         PR middle-end/40753
13140         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
13141
13142 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
13143
13144         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
13145         handle 2.6.30 kernel.
13146
13147 2009-07-15  DJ Delorie  <dj@redhat.com>
13148
13149         * config/mep/mep.md (sibcall_internal): Change register to allow
13150         for 24-bit addresses.
13151         (sibcall_value_internal): Likewise.
13152
13153 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
13154
13155         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
13156         that are enabled/disabled by the flags introduced by a previous patch.
13157
13158 2009-07-14  DJ Delorie  <dj@redhat.com>
13159
13160         * config/mep/mep.md (sibcall_internal): Include non-toggling
13161         non-jmp case.
13162         (sibcall_value_internal): Likewise.
13163
13164 2009-07-14  Taras Glek  <tglek@mozilla.com>
13165             Rafael Espindola  <espindola@google.com>
13166
13167         * doc/sourcebuild.texi: Document install-plugin target.
13168         * configure.ac: Added install-plugin target to language makefiles.
13169         * configure: Regenerate.
13170         * Makefile.in (install-plugin): Install more headers,
13171         depend on lang.install-plugin.
13172
13173 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13174
13175         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
13176         translation.
13177
13178 2009-07-14  DJ Delorie  <dj@redhat.com>
13179
13180         * config/mep/mep.c (mep_vliw_jmp_match): New function.
13181         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
13182         * config/mep/mep.md (sibcall_internal): Change test from
13183         mep_vliw_mode_match to mep_vliw_jmp_match.
13184         (sibcall_value_internal): Likewise.
13185
13186 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
13187
13188         * config/i386/sse.md (copysign<mode>3): New expander.
13189         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
13190         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
13191         Use ix86_build_const_vector.
13192         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
13193         IX86_BUILTIN_CPYSGNPD.
13194         (builtin_description): Add __builtin_ia32_copysignps and
13195         __builtin_ia32_copysignpd.
13196         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
13197         and BUILT_IN_COPYSIGNF.
13198
13199 2009-07-13  Jason Merrill  <jason@redhat.com>
13200
13201         * builtins.c (can_trust_pointer_alignment): New fn.
13202         (get_pointer_alignment): Factor it out from here.
13203         * tree.h: Declare it.
13204
13205 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
13206
13207         * config/rs6000/predicates.md (offsettable_mem_operand): Test
13208         RTX_AUTOINC class.
13209
13210 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
13211
13212         PR debug/40705
13213         PR c++/403057
13214         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
13215
13216 2009-07-14  Richard Guenther  <rguenther@suse.de>
13217             Andrey Belevantsev <abel@ispras.ru>
13218
13219         PR middle-end/40745
13220         * cfgexpand.c (partition_stack_vars): Do not bother to update
13221         alias information when not optimizing.
13222
13223 2009-07-14  Richard Guenther  <rguenther@suse.de>
13224             Andrey Belevantsev <abel@ispras.ru>
13225
13226         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
13227         (pt_solution_set): Likewise.
13228         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
13229         * tree-ssa-structalias.c (pt_solution_set): New function.
13230         * final.c (rest_of_clean_state): Free SSA data structures.
13231         * print-rtl.c (print_decl_name): Remove.
13232         (print_mem_expr): Implement in terms of print_generic_expr.
13233         * alias.c (ao_ref_from_mem): New function.
13234         (rtx_refs_may_alias_p): Likewise.
13235         (true_dependence): Query alias-export info.
13236         (canon_true_dependence): Likewise.
13237         (write_dependence_p): Likewise.
13238         * tree-dfa.c (get_ref_base_and_extent): For void types leave
13239         size unknown.
13240         * emit-rtl.c (component_ref_for_mem_expr): Remove.
13241         (mem_expr_equal_p): Use operand_equal_p.
13242         (set_mem_attributes_minus_bitpos): Do not use
13243         component_ref_for_mem_expr.
13244         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
13245         (update_alias_info_with_stack_vars): Likewise.
13246         (partition_stack_vars): Call update_alias_info_with_stack_vars.
13247         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
13248         explicitly nor clear stmt operands.
13249         Free the decl-to-pointer map.
13250         * tree-optimize.c (execute_free_datastructures): Do not free
13251         SSA data structures here.
13252         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
13253         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
13254         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
13255         dependencies.
13256         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
13257
13258 2009-07-13  DJ Delorie  <dj@redhat.com>
13259
13260         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
13261         unrolling at the right iteration count.
13262
13263         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
13264         calculations.
13265
13266 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
13267
13268         * haifa-sched.c (rank_for_schedule): Introduced flags to
13269         enable/disable individual scheduling heuristics.
13270         * common.opt: Introduced flags to enable/disable individual
13271         heuristics in the scheduler.
13272         * doc/invoke.texi: Introduced flags to enable/disable individual
13273         heuristics in the scheduler.
13274
13275 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
13276
13277         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
13278         config/i386/mingw-tls.c.
13279         * config/i386/mingw-tls.c: Removed.
13280
13281 2009-07-13  Ira Rosen  <irar@il.ibm.com>
13282
13283         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
13284         checks access only relevant statements.
13285         (vectorizable_reduction): Likewise.
13286
13287 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
13288
13289         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
13290         just for 32-bit case.
13291
13292 2009-07-12  Jan Hubicka  <jh@suse.cz>
13293
13294         PR tree-optimization/40585
13295         * except.c (expand_resx_expr): When there already is resume
13296         instruction, produce linked list.
13297         (build_post_landing_pads): Assert that resume is empty.
13298         (connect_post_landing_pads): Handle resume lists.
13299         (dump_eh_tree): Dump resume list.
13300
13301 2009-07-12  Ira Rosen  <irar@il.ibm.com>
13302
13303         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
13304         with additional argument.
13305         * tree-vectorizer.h (enum vect_def_type): Add
13306         vect_double_reduction_def.
13307         (vect_is_simple_reduction): Add argument.
13308         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
13309         indentation.
13310         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
13311         vect_is_simple_reduction with additional argument.
13312         (vect_analyze_loop_operations): Handle exit phi nodes in case of
13313         double reduction.
13314         (reduction_code_for_scalar_code): Handle additional codes by
13315         returning ERROR_MARK for them. Fix comment and indentation.
13316         (vect_is_simple_reduction): Fix comment, add argument to specify
13317         double reduction. Detect double reduction.
13318         (get_initial_def_for_induction): Fix indentation.
13319         (get_initial_def_for_reduction): Fix comment and indentation.
13320         Handle double reduction. Create initial definitions that do not
13321         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
13322         (vect_create_epilog_for_reduction): Fix comment, add argument to
13323         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
13324         epilogue result extraction. Create double reduction phi node and
13325         replace relevant uses.
13326         (vectorizable_reduction): Call vect_is_simple_reduction with
13327         additional argument. Fix indentation. Update epilogue code treatment
13328         according to the changes in reduction_code_for_scalar_code. Check
13329         for double reduction. Call vect_create_epilog_for_reduction with
13330         additional argument.
13331         * tree-vect-stmts.c (process_use): Handle double reduction, update
13332         documentation.
13333         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
13334         (vect_get_vec_def_for_operand): Likewise.
13335
13336 2009-07-12  Danny Smith  <dansmister@gmail.com>
13337
13338         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
13339         dllexport if !TREE_PUBLIC.
13340         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
13341
13342 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
13343
13344         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
13345         (avr_extra_arch_macro) Remove declatation.
13346         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
13347         (avr_extra_arch_macro) Declare as static.
13348         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
13349
13350 2009-07-11  Jan Hubicka  <jh@suse.cz>
13351
13352         PR middle-end/48388
13353         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
13354
13355 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
13356
13357         PR debug/40713
13358         * dwarf2out.c (dw_fde_struct): Add in_std_section and
13359         cold_in_std_section bits.
13360         (dwarf2out_begin_prologue): Initialize them.
13361         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
13362         if already covered by text_section or cold_text_section range.
13363
13364         PR rtl-optimization/40667
13365         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
13366         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
13367         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
13368         * config/i386/i386.c (ix86_minimum_alignment): New function.
13369         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
13370         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
13371         * emit-rtl.c (gen_reg_rtx): Likewise.
13372         * function.c (assign_parms): Likewise.  If nominal_type needs
13373         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
13374         rather than passed_type's alignment.
13375
13376         PR target/40668
13377         * function.c (assign_parm_setup_stack): Adjust
13378         MEM_OFFSET (data->stack_parm) if promoted_mode is different
13379         from nominal_mode on big endian.
13380
13381 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
13382
13383         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
13384
13385 2009-07-10  DJ Delorie  <dj@redhat.com>
13386
13387         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
13388
13389 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
13390
13391         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
13392         attribute.
13393         (thumb2_cbnz): Likewise.
13394
13395 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
13396
13397         PR target/39079
13398         * config.gcc (supported_defaults): Add synci.
13399         (with_synci): Add validation.
13400         (all_defaults): Add synci.
13401         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
13402         ISA_HAS_SYNCI.
13403         (synci): Same.
13404         * config/mips/mips.opt (msynci): New option.
13405         * config/mips/mips.c (mips_override_options): Warn on use of
13406         -msynci for targets that do now support it.
13407         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
13408         msynci.
13409         * gcc/doc/invoke.texi (-msynci): Document the new option.
13410         * doc/install.texi (--with-synci): Document the new option.
13411
13412 2009-07-10  Richard Guenther  <rguenther@suse.de>
13413
13414         PR tree-optimization/40496
13415         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
13416         the PHI result with a compatible type.
13417
13418 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13419
13420         PR 25509
13421         PR 40614
13422         * c.opt (Wunused-result): New.
13423         * doc/invoke.texi: Document it.
13424         * c-common.c (c_warn_unused_result): Use it.
13425
13426 2009-07-09  DJ Delorie  <dj@redhat.com>
13427
13428         * targhooks.c (default_target_can_inline_p): Rename from
13429         default_target_option_can_inline_p.
13430         * targhooks.h (default_target_can_inline_p): Likewise.
13431         * target-def.h (TARGET_CAN_INLINE_P): Rename from
13432         TARGET_OPTION_CAN_INLINE_P.
13433         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
13434         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
13435         (mep_target_can_inline_p): Rename from
13436         mep_target_option_can_inline_p.
13437
13438         PR target/40626
13439         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
13440         registers used to pass vectors.
13441
13442         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
13443
13444 2009-07-09  Tom Tromey  <tromey@redhat.com>
13445
13446         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
13447         * config/mmix/mmix.c: Include dwarf2.h.
13448         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
13449         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
13450         * config/sh/sh.c: Include dwarf2.h.
13451         * config/i386/i386.c: Include dwarf2.h.
13452         * Makefile.in (DWARF2_H): Remove 'elf'.
13453         * except.c: Include dwarf2.h.
13454         * unwind-dw2.c: Include dwarf2.h.
13455         * dwarf2out.c: Include dwarf2.h.
13456         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
13457         * unwind-dw2-fde.c: Include dwarf2.h.
13458         * dwarf2asm.c: Include dwarf2.h.
13459
13460 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
13461
13462         * haifa-sched.c (insn_finishes_cycle_p): New static function.
13463         (max_issue): Use it.
13464         * sched-int.h (struct sched_info: insn_finishes_block_p): New
13465         scheduler hook.
13466         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
13467         (region_sched_info): Update.
13468         * sched-ebb.c (ebb_sched_info): Update.
13469         * modulo-sched.c (sms_sched_info): Update.
13470         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
13471
13472 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
13473
13474         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
13475
13476 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
13477
13478         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
13479
13480 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
13481
13482         PR middle-end/40692
13483         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
13484         arg1 with arg01 if arg1 is already INTEGER_CST.
13485
13486 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
13487
13488         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
13489         Transform (and (truncate)) into (truncate (and)).
13490
13491 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
13492
13493         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
13494         creating LHS paradoxical subregs.  Fix surrounding returns to
13495         use NULL_RTX rather than 0.
13496
13497 2009-07-08  DJ Delorie  <dj@redhat.com>
13498
13499         * config/mep/mep.c (mep_option_can_inline_p): New.
13500         (TARGET_OPTION_CAN_INLINE_P): Define.
13501
13502 2009-07-08  Mark Wielaard  <mjw@redhat.com>
13503
13504         PR debug/40659
13505         * dwarf2out.c (add_data_member_location_attribute): When we have
13506         only a constant offset don't emit a new location description using
13507         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
13508         dwarf_version > 2.
13509
13510 2009-07-08  Richard Henderson  <rth@redhat.com>
13511
13512         PR target/38900
13513         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
13514         (enum reg_class): Add CLOBBERED_REGS.
13515         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
13516         * config/i386/i386.c (ix86_conditional_register_usage): Moved
13517         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
13518         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
13519         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
13520         force 64-bit sibcalls into R11.
13521         * config/i386/constraints.md (U): New constraint.
13522         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
13523         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
13524         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
13525
13526 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
13527
13528         * basic-block.h (dump_regset, debug_regset): Remove duplicate
13529         prototypes.
13530         * c-objc-common.h (c_initialize_diagnostics): Ditto.
13531         * ebitmap.h (dump_ebitmap): Ditto.
13532         * optabs.h (optab_libfunc): Ditto.
13533         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
13534         * tree-flow.h (vect_can_force_dr_alignment_p,
13535         get_vectype_for_scalar_type): Ditto.
13536         (vectorize_loops): Move prototype to ...
13537         * tree-vectorizer.h: ... here. Also, adjust comment.
13538         (vect_set_verbosity_level): Remove duplicate prototype.
13539         * tree-ssa-loop.c: Include tree-vectorizer.h.
13540         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
13541
13542 2009-07-08  Nick Clifton  <nickc@redhat.com>
13543
13544         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
13545         forward slash.
13546
13547 2009-07-08  DJ Delorie  <dj@redhat.com>
13548
13549         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
13550         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
13551         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
13552         written to.
13553         * config/mep/intrinsics.md: Regenerated.
13554         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
13555         registers when asm() or calls are detected.
13556
13557 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13558
13559         PR c++/31246
13560         * gimplify.c (gimplify_expr): Propagate no_warning flag when
13561         gimplifying.
13562         * gimple (gimple_build_call_from_tree): Likewise.
13563         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
13564         no_warning flag before warning.
13565
13566 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13567
13568         * tree.c (set_expr_locus): Remove.
13569         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
13570         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
13571         EXPR_LOCATION.
13572         * gimplify.c (internal_get_tmp_var): Likewise.
13573         (gimplify_call_expr): Likewise.
13574         (gimplify_one_sizepos): Likewise.
13575
13576 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
13577
13578         PR debug/40666
13579         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
13580         to variables for debugging purposes.
13581
13582 2009-06-23  Mark Loeser  <mark@halcy0n.com>
13583
13584         PR build/40010
13585         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
13586
13587 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13588
13589         * pretty-print.c (pp_base_format): Remove %J.
13590         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
13591         gcc_cxxdiag_char_table): Likewise.
13592         (init_dynamic_diag_info): Likewise.
13593
13594 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13595
13596         * pretty-print.c (pp_base_format): Remove %H.
13597         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
13598         gcc_cxxdiag_char_table): Likewise.
13599         (init_dynamic_diag_info): Likewise.
13600         * config/mep/mep.c (mep_select_section): Likewise.
13601
13602 2009-07-07  Duncan Sands  <baldrick@free.fr>
13603
13604         * final.c (pass_clean_state): Give the pass a name.
13605         * passes.c (pass_rest_of_compilation): Likewise.
13606         * tree-optimize.c (pass_all_optimizations): Likewise.
13607
13608 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
13609
13610         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
13611         an extra 'decl' for error_at.
13612
13613 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
13614
13615         PR middle-end/40669
13616         * tree-tailcall.c (adjust_return_value_with_ops,
13617         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
13618         if it has complex or vector type.
13619
13620 2009-07-07  Olivier Hainque  <hainque@adacore.com>
13621
13622         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
13623         pthread symbols.
13624
13625 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
13626
13627         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
13628
13629 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13630
13631         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
13632         * c-decl.c: Likewise.
13633         * function.c: Likewise.
13634         * varasm.c: Likewise.
13635         * tree-ssa.c: Likewise.
13636         * c-common.c: Likewise.
13637         * tree-cfg.c: Likewise.
13638         * config/spu/spu.c: Likewise.
13639         * config/ia64/ia64.c: Likewise.
13640         * config/v850/v850.c: Likewise.
13641
13642 2009-07-06  DJ Delorie  <dj@redhat.com>
13643
13644         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
13645         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
13646         unspecified accesses to control registers.
13647         * config/mep/intrinsics.md: Regenerate.
13648         * config/mep/intrinsics.h: Regenerate.
13649         * config/mep/mep-intrin.h: Regenerate.
13650
13651 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13652
13653         * c-lex.c: Replace %H by an explicit location. Update all calls.
13654         * c-common.c: Likewise.
13655         * c-decl.c: Likewise.
13656         * c-typeck.c: Likewise.
13657         * fold-const.c: Likewise.
13658         * gimplify.c: Likewise.
13659         * stmt.c: Likewise.
13660         * tree-cfg.c: Likewise.
13661         * tree-ssa-loop-niter.c: Likewise.
13662         * tree-vrp.c: Likewise.
13663         * value-prof.c: Likewise.
13664
13665 2009-07-06  Diego Novillo  <dnovillo@google.com>
13666
13667         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
13668         if it has one.  Handle cases where VAR does not have an
13669         annotation or cfun is NULL.
13670
13671 2009-07-06  Diego Novillo  <dnovillo@google.com>
13672
13673         * tree.c: Include debug.h.
13674         (initialize_tree_contains_struct): New.
13675         (init_ttree): Call it.
13676         (tree_node_structure_for_code): Factor out of ...
13677         (tree_node_structure): ... here.
13678         * treestruct.def (TS_PHI_NODE): Remove.
13679         (TS_GIMPLE_STATEMENT): Remove.
13680
13681 2009-07-06  Diego Novillo  <dnovillo@google.com>
13682
13683         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
13684         (debug_tree_chain): Handle cycles.
13685
13686 2009-07-06  Nick Clifton  <nickc@redhat.com>
13687             DJ Delorie  <dj@redhat.com>
13688
13689         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
13690         __FMOVD_ENABLED__ is defined.
13691         * config/sh/sh.h
13692         (TARGET_FMOVD): Provide a default definition.
13693         (MASK_FMOVD): Likewise.
13694         (TARGET_CPU_CPP_BUILTINS): Define
13695         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
13696         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
13697         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
13698         (split for DF load from memory into register): Also handle
13699         MEMs which consist of REG+DISP addressing.
13700         (split for DF store from register to memory): Likewise.
13701         (movsf_ie): Always use single fp_mode.
13702         * config/sh/sh.c (sh_override_options): Do not automatically
13703         enable TARGET_MOVD for the SH2A when supporting doubles - leave
13704         that to the -mfmovd command line switch.
13705         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
13706         (fldi_ok): Always allow.
13707         * config/sh/sh.opt (mfmovd): Remove this switch.
13708         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
13709
13710 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
13711             Kaz Kojima  <kkojima@gcc.gnu.org>
13712
13713         PR rtl-optimization/30807
13714         * postreload.c (reload_combine): For every new use of REG_SUM,
13715         record the use of BASE.
13716
13717 2009-07-06  Jan Hubicka  <jh@suse.cz>
13718
13719         * params.def: Revert my accidental commit at 2009-06-30.
13720
13721 2009-07-04  Ian Lance Taylor  <iant@google.com>
13722
13723         PR target/40636
13724         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
13725         EXPORTED_CONST.
13726         (mingw_format_attribute_overrides): Likewise.
13727
13728 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
13729
13730         PR debug/40596
13731         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
13732         don't check cfa.reg.  Instead of cfa.indirect use
13733         fde && fde->drap_reg != INVALID_REGNUM test.
13734
13735 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
13736
13737         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
13738
13739 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
13740
13741         PR target/40587
13742         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
13743
13744 2009-07-03  Richard Guenther  <rguenther@suse.de>
13745
13746         PR tree-optimization/40640
13747         * tree-switch-conversion.c (build_arrays): Perform arithmetic
13748         in original type.
13749
13750 2009-07-03  Jan Hubicka  <jh@suse.cz>
13751
13752         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
13753         for size, reduce amount of inlining.
13754
13755 2009-07-03  Richard Guenther  <rguenther@suse.de>
13756
13757         PR middle-end/34163
13758         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
13759         if t +- x is known to not overflow and the conversion widens the
13760         operation.
13761         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
13762
13763 2009-07-03  Jan Hubicka  <jh@suse.cz>
13764
13765         * ipa-pure-const.c (analyze): Update loop optimizer init.
13766         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
13767         try_remove_empty_loop, remove_empty_loops): Remove.
13768         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
13769         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
13770         to mark regular loops as neccesary.
13771         (degenerate_phi_p): New function.
13772         (propagate_necessity, remove_dead_phis): Use it.
13773         (forward_edge_to_pdom): Likewise.
13774         (eliminate_unnecessary_stmts): Take care to remove uses of results of
13775         virtual PHI nodes that became unreachable.
13776         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
13777         * tree-flow.h (remove_empty_loops): Remove.
13778         * passes.c (init_optimization_passes): Remove.
13779
13780 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
13781
13782         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
13783         can_create_pseudo_p.
13784         (*fix_trunc<mode>_i387_1): Ditto.
13785         (*floathi<mode>2_1): Ditto.
13786         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
13787         (*fistdi2_1): Ditto.
13788         (*fist<mode>2_1): Ditto.
13789         (frndintxf2_floor): Ditto.
13790         (*fist<mode>2_floor_1): Ditto.
13791         (frndintxf2_ceil): Ditto.
13792         (*fist<mode>2_ceil_1): Ditto.
13793         (frndintxf2_trunc): Ditto.
13794         (frndintxf2_mask_pm): Ditto.
13795         (fxam<mode>2_i387_with_temp): Ditto.
13796         * config/i386/sse.md (mulv16qi3): Ditto.
13797         (*sse2_mulv4si3): Ditto.
13798         (mulv2di3): Ditto.
13799         (sse4_2_pcmpestr): Ditto.
13800         (sse4_2_pcmpistr): Ditto.
13801
13802 2009-07-03  Jan Hubicka  <jh@suse.cz>
13803
13804         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
13805         (mark_stmt_necessary): Set it.
13806         (mark_operand_necessary): Set it.
13807         (mark_control_dependent_edges_necessary): Set it.
13808         (mark_virtual_phi_result_for_renaming): New function.
13809         (get_live_post_dom): New function.
13810         (forward_edge_to_pdom): New function.
13811         (remove_dead_stmt): Fix handling of control dependences.
13812         (tree_dce_init): Init new bitmap.
13813         (tree_dce_done): Free it.
13814
13815 2009-07-02  Richard Guenther  <rguenther@suse.de>
13816
13817         PR bootstrap/40617
13818         * tree-ssa-structalias.c (new_var_info): Initialize
13819         is_restrict_var.
13820
13821 2009-07-02  Jan Hubicka  <jh@suse.cz>
13822
13823         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
13824         local.
13825
13826 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
13827
13828         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
13829         instead of recomputing it.  Adjust calls.
13830         (emit_store_flag): Adjust recursive calls.
13831
13832 2009-07-02  Richard Guenther  <rguenther@suse.de>
13833
13834         * tree-ssa-live.c (remove_unused_locals): Do not remove
13835         heap variables.
13836         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
13837         of DECL_EXTERNAL for HEAP variables.
13838         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
13839         HEAP variables.  Do not adjust RESTRICT vars.
13840         (find_what_var_points_to): Nobody cares if something
13841         points to READONLY.
13842
13843 2009-07-02  Ben Elliston  <bje@au.ibm.com>
13844
13845         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
13846         pc_low and pc_high declarations to the top of the function.
13847
13848 2009-07-01  DJ Delorie  <dj@redhat.com>
13849
13850         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
13851         registers as fixed.
13852         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
13853         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
13854         unspecified accesses to control registers.
13855         * config/mep/intrinsics.md: Regenerate.
13856         * config/mep/intrinsics.h: Regenerate.
13857         * config/mep/mep-intrin.h: Regenerate.
13858
13859 2009-07-01  Anthony Green  <green@moxielogic.com>
13860
13861         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
13862         instruction when possible.
13863         (moxie_expand_prologue): Ditto.  Also, save an instruction and
13864         some complexity by popping off of $r12 instead of $sp.
13865         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
13866         operands.
13867
13868 2009-07-01  Richard Henderson  <rth@redhat.com>
13869
13870         PR bootstrap/40347
13871         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
13872         contained no insns, reposition note before last insn.
13873
13874 2009-07-01  Richard Henderson  <rth@redhat.com>
13875
13876         PR debug/40431
13877         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
13878         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
13879
13880 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
13881
13882         PR bootstrap/40558
13883         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
13884         darwin9 for printing reg addresses with %y.
13885
13886 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
13887
13888         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
13889         truncation from operands in binary operations.
13890
13891 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
13892
13893         Revert:
13894         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
13895         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
13896         subreg of op0 to the original op0.
13897
13898         * expmed.c (store_bit_field_1): Use a temporary as the destination
13899         instead of a paradoxical subreg when we need to truncate the result.
13900
13901 2009-07-01  DJ Delorie  <dj@redhat.com>
13902
13903         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
13904         names to VLIW variants.
13905         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
13906         * config/mep/intrinsics.md: Regenerate.
13907         * config/mep/intrinsics.h: Regenerate.
13908         * config/mep/mep-intrin.h: Regenerate.
13909
13910 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
13911
13912         PR debug/40462
13913         * jump.c (returnjump_p): Revert last patch.
13914         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
13915
13916 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13917
13918         PR target/40575
13919         * pa.md (casesi32p): Use jump table label to determine the offset
13920         of the jump table.
13921         (casesi64p): Likewise.
13922
13923         * pa.c (forward_branch_p): Return bool type.  Use instruction
13924         addresses when available.  Assert that INSN has a jump label.
13925         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
13926         have a jump label.
13927
13928 2009-07-01  Richard Guenther  <rguenther@suse.de>
13929
13930         PR tree-optimization/19831
13931         * tree-ssa-dce.c (propagate_necessity): Calls to functions
13932         that only act as barriers do not make any previous stores necessary.
13933         * tree-ssa-structalias.c (handle_lhs_call): Delay making
13934         HEAP variables global, do not add a constraint from nonlocal.
13935         (find_func_aliases): Handle escapes through return statements.
13936         (compute_points_to_sets): Make escaped HEAP variables global.
13937
13938 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
13939
13940         PR bootstrap/40597
13941         * expmed.c (emit_store_flag): Perform a conversion if necessary,
13942         after reducing a DImode cstore to SImode.
13943
13944 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
13945
13946         * expr.c (expand_expr_real_1): Reinstate fallthrough to
13947         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
13948
13949 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
13950
13951         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
13952         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
13953         to 0.
13954         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
13955         and umod_optab if TARGET_BSD_DIVMOD.
13956         * config/vax/lib1funcs.asm: New file.
13957         * config/vax/t-linux: New file.
13958         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
13959
13960 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
13961
13962         PR c++/40566
13963         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
13964         to type arguments that have void type.
13965
13966         PR debug/40573
13967         * dwarf2out.c (gen_formal_parameter_die): Call
13968         equate_decl_number_to_die if node is different from origin.
13969
13970 2009-06-30  Anthony Green  <green@moxielogic.com>
13971
13972         Clean up moxie port for --enable-build-with-cxx.
13973         * config/moxie/moxie.c (moxie_function_value): First two
13974         parameters are const_tree, not tree.
13975         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
13976         (REG_CLASS_NAMES): Ditto.
13977         (REGNO_REG_CLASS): Ditto.
13978         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
13979         (moxie_function_value): Fix constyness of arguments.
13980
13981 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
13982
13983         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
13984         finalize_size_functions before further processing.
13985         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
13986         (variable_size): Call self_referential_size on size expressions
13987         that contain a PLACEHOLDER_EXPR.
13988         (size_functions): New static variable.
13989         (copy_self_referential_tree_r): New static function.
13990         (self_referential_size): Likewise.
13991         (finalize_size_functions): New global function.
13992         * tree.c: Include tree-inline.h.
13993         (push_without_duplicates): New static function.
13994         (find_placeholder_in_expr): New global function.
13995         (substitute_in_expr) <tcc_declaration>: Return the replacement object
13996         on equality.
13997         <tcc_expression>: Likewise.
13998         <tcc_vl_exp>: If the replacement object is a constant, try to inline
13999         the call in the expression.
14000         * tree.h (finalize_size_functions): Declare.
14001         (find_placeholder_in_expr): Likewise.
14002         (FIND_PLACEHOLDER_IN_EXPR): New macro.
14003         (substitute_placeholder_in_expr): Update comment.
14004         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
14005         is true.
14006         (copy_tree_body_r): Likewise.
14007         (copy_tree_body): New static function.
14008         (maybe_inline_call_in_expr): New global function.
14009         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
14010         (maybe_inline_call_in_expr): Declare.
14011         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
14012         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
14013         GIMPLE_H.
14014
14015 2009-06-30  Richard Guenther  <rguenther@suse.de>
14016
14017         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
14018         continue walking.
14019         (propagate_necessity): Do not mark reaching defs of stores
14020         as necessary.
14021
14022 2009-06-30  Jan Hubicka  <jh@suse.cz>
14023
14024         * cfgloopanal.c (check_irred): Move into ...
14025         (mark_irreducible_loops): ... here; return true if ireducible
14026         loops was found.
14027         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
14028         (analyze_function): Try to prove loop finiteness.
14029         * cfgloop.h (mark_irreducible_loops): Update prototype.
14030         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
14031
14032 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
14033
14034         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
14035
14036 2009-06-30  Ira Rosen  <irar@il.ibm.com>
14037
14038         PR tree-optimization/40542
14039         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
14040         types.
14041
14042 2009-06-30  Martin Jambor  <mjambor@suse.cz>
14043
14044         PR tree-optimization/40582
14045         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
14046         than useless_type_conversion_p.
14047         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
14048         proper place.
14049
14050 2009-06-30  Martin Jambor  <mjambor@suse.cz>
14051
14052         PR middle-end/40554
14053         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
14054
14055 2009-06-30  Richard Guenther  <rguenther@suse.de>
14056
14057         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
14058         use ao_ref references.
14059         (walk_aliased_vdefs): Likewise.
14060         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
14061         * tree-ssa-dce.c (struct ref_data): Remove.
14062         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
14063         (mark_aliased_reaching_defs_necessary): Adjust.
14064         (mark_all_reaching_defs_necessary_1): Likewise.
14065
14066 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
14067
14068         PR boostrap/40597
14069         * expmed.c (emit_cstore): New name of emit_store_flag_1.
14070         (emit_store_flag_1): Extract from emit_store_flag, adjust
14071         calls to (what now is) emit_cstore.
14072         (emit_store_flag): Call emit_store_flag_1 and also use it
14073         for what used to be recursive calls.
14074
14075 2009-06-30  Wei Guozhi  <carrot@google.com>
14076
14077         PR/40416
14078         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
14079         if the target bb post dominates from bb.
14080         * config/i386/i386.c (memory_address_length): Check existence of base
14081         register before using it.
14082
14083 2009-06-30  Nick Clifton  <nickc@redhat.com>
14084             DJ Delorie  <dj@redhat.com>
14085
14086         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
14087         __FMOVD_ENABLED__ is defined.
14088         * config/sh/sh.h
14089         (TARGET_FMOVD): Provide a default definition.
14090         (MASK_FMOVD): Likewise.
14091         (TARGET_CPU_CPP_BUILTINS): Define
14092         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
14093         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
14094         two fmov instructions depending upon whether TARGET_FMOVD is
14095         enabled.
14096         (split for DF load from memory into register): Also handle
14097         MEMs which consist of REG+DISP addressing.
14098         (split for DF store from register to memory): Likewise.
14099         * config/sh/sh.opt (mfmovd): Remove this switch.
14100         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
14101         * config/sh/sh.c (sh_override_options): Do not automatically
14102         enable TARGET_MOVD for the SH2A when supporting doubles - leave
14103         that to the -mfmovd command line switch.
14104
14105         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
14106         the SH4 and SH4A.
14107         (fldi_ok): Always allow.
14108         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
14109
14110 2009-06-29  DJ Delorie  <dj@redhat.com>
14111
14112         * doc/install.texi (mep-x-elf): Correct chip's full name.
14113
14114 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
14115
14116         * doc/extend.texi: Fix typo.
14117
14118 2009-06-29  Tom Tromey  <tromey@redhat.com>
14119
14120         * dwarf2.h: Remove.
14121         * Makefile.in (DWARF2_H): New variable.
14122         (except.o): Use it.
14123         (dwarf2out.o): Likewise.
14124         (dwarf2asm.o): Likewise.
14125         * config/i386/t-i386: Use DWARF2_H.
14126         * except.c: Include elf/dwarf2.h.
14127         * unwind-dw2.c: Include elf/dwarf2.h.
14128         * dwarf2out.c: Include elf/dwarf2.h.
14129         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
14130         <dtprel>: New field.
14131         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
14132         (size_of_loc_descr): Likewise.
14133         (output_loc_operands_raw): Likewise.
14134         (output_loc_operands): Handle new dtprel field.
14135         (loc_checksum): Update.
14136         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
14137         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
14138         * unwind-dw2-fde.c: Include elf/dwarf2.h.
14139         * dwarf2asm.c: Include elf/dwarf2.h.
14140         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
14141         * config/mmix/mmix.c: Include elf/dwarf2.h.
14142         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
14143         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
14144         * config/sh/sh.c: Include elf/dwarf2.h.
14145         * config/i386/i386.c: Include elf/dwarf2.h.
14146
14147 2009-06-29  DJ Delorie  <dj@redhat.com>
14148
14149         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
14150
14151         * doc/extend.texi: Add MeP attributes and pragmas.
14152         * doc/invoke.text: Add MeP Options.
14153         * doc/contrib.texi: Add MeP contribution.
14154         * doc/md.texi: Add MeP constraints.
14155         * doc/install.texi: Add MeP target.
14156
14157 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
14158
14159         * target.h (struct gcc_target): Add frame_pointer_required field.
14160         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
14161         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
14162         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
14163         hook.
14164         * reload1.c (update_eliminables): (Ditto.).
14165         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
14166         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
14167         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
14168
14169         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
14170
14171         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
14172         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14173         (arm_frame_pointer_required): New function.
14174
14175         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
14176         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14177         (avr_frame_pointer_required_p): Declare as static.
14178         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
14179
14180         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
14181         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14182         (bfin_frame_pointer_required): Make as static, change return type
14183         to bool.
14184         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
14185
14186         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
14187         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14188         (cris_frame_pointer_required): New function.
14189
14190         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
14191
14192         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
14193         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14194         (fr30_frame_pointer_required): New function.
14195
14196         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
14197         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14198         (frv_frame_pointer_required): Make as static, change return type
14199         to bool.
14200         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
14201
14202         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
14203         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14204         (ix86_frame_pointer_required): Make as static, change return type to
14205         bool.
14206         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
14207
14208         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
14209         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14210
14211         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
14212
14213         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
14214
14215         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
14216
14217         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
14218         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14219         (mips_frame_pointer_required): Make as static.
14220         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
14221
14222         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
14223         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14224         (mmix_frame_pointer_required): Mew function.
14225
14226         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
14227         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14228
14229         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
14230
14231         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
14232
14233         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
14234
14235         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
14236         (CAN_ELIMINATE): Redefine.
14237         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
14238         (sparc_frame_pointer_required): New function.
14239         (sparc_can_eliminate): New function.
14240         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
14241
14242         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
14243         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14244
14245         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
14246         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
14247         (xtensa_frame_pointer_required): Make as static, change return type
14248         to bool.
14249         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
14250         Remove.
14251
14252 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
14253
14254         * doc/plugins.texi: Document PLUGIN_START_UNIT.
14255         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
14256         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
14257         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
14258         (register_callback): Handle PLUGIN_START_UNIT.
14259         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
14260
14261 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
14262
14263         * tree.c (process_call_operands): Propagate TREE_READONLY from the
14264         operands.
14265         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
14266         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
14267
14268 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
14269
14270         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
14271         move cost.
14272
14273 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
14274
14275         * doc/extend.texi (Additional Floating Types): __float128 is also
14276         supported on i386 targets.
14277
14278 2009-06-29  Richard Guenther  <rguenther@suse.de>
14279
14280         PR middle-end/14187
14281         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
14282         flag.
14283         (pt_solutions_same_restrict_base): Declare.
14284         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
14285         flag.
14286         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
14287         (make_constraint_from, make_copy_constraint): Move earlier.
14288         (make_constraint_from_heapvar): New function.
14289         (make_constraint_from_restrict): Likewise.
14290         (handle_lhs_call): Use it.
14291         (find_func_aliases): Use it to track conversions to restrict
14292         qualified pointers.
14293         (struct fieldoff): Add only_restrict_pointers flag.
14294         (push_fields_onto_fieldstack): Initialize it.
14295         (create_variable_info_for): Track global restrict qualified pointers.
14296         (intra_create_variable_infos): Use make_constraint_from_heapvar.
14297         Track restrict qualified pointer arguments.
14298         (set_uids_in_ptset): Use varinfo is_global_var flag.
14299         (find_what_var_points_to): Set the vars_contains_restrict flag.
14300         Always create the points-to solution for sets including restrict tags.
14301         (pt_solutions_same_restrict_base): New function.
14302         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
14303         qualified pointers use pt_solutions_same_restrict_base as
14304         additional source for disambiguation.
14305
14306 2009-06-29  Richard Guenther  <rguenther@suse.de>
14307
14308         PR middle-end/38212
14309         * alias.c (find_base_decl): Remove.
14310         (get_deref_alias_set_1): Remove restrict handling.
14311         * c-common.c (c_apply_type_quals_to_decl): Do not set
14312         DECL_POINTER_ALIAS_SET.
14313         * gimplify.c (find_single_pointer_decl_1): Remove.
14314         (find_single_pointer_decl): Likewise.
14315         (internal_get_tmp_var): Remove restrict handling.
14316         (gimple_regimplify_operands): Likewise.
14317         * omp-low.c (expand_omp_atomic_pipeline): Do not set
14318         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
14319         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
14320         * tree.c (restrict_base_for_decl): Remove.
14321         (init_ttree): Do not allocate it.
14322         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
14323         LABEL_DECL_UID for label decls.
14324         (copy_node_stat): Do not copy restrict information.
14325         (decl_restrict_base_lookup): Remove.
14326         (decl_restrict_base_insert): Likewise.
14327         (print_restrict_base_statistics): Likewise.
14328         (dump_tree_statistics): Do not call print_restrict_base_statistics.
14329         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
14330         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
14331         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
14332         (LABEL_DECL_UID): Adjust.
14333         (DECL_BASED_ON_RESTRICT_P): Remove.
14334         (DECL_GET_RESTRICT_BASE): Likewise.
14335         (SET_DECL_RESTRICT_BASE): Likewise.
14336         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
14337
14338         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
14339         instead of DECL_POINTER_ALIAS_SET.
14340         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
14341         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
14342         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
14343
14344 2009-06-29  Richard Guenther  <rguenther@suse.de>
14345
14346         PR tree-optimization/40579
14347         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
14348         the IL to simplify has constants that overflowed.
14349
14350 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
14351
14352         PR tree-optimization/40550
14353         * tree-vect-generic.c (expand_vector_operations_1): Compute in
14354         vector_compute_type only when the size of vector_compute_type is
14355         less than the size of type.
14356
14357 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
14358
14359         * fold-const.c (contains_label_1): Fix comments.
14360         (contains_label_p): Do not walk trees multiple time.
14361
14362 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14363
14364         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
14365         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
14366         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
14367         ix86_fp_comparison_operator.
14368         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
14369         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
14370         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
14371         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
14372         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
14373         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
14374         (related splits): Change predicate to ix86_fp_comparison_operator.
14375         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
14376         instead of ix86_fp_comparison_codes.
14377         (ix86_trivial_fp_comparison_operator,
14378         ix86_fp_comparison_operator): New.
14379         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
14380         (ix86_expand_compare): Eliminate last two parameters.
14381         (ix86_fp_jump_nontrivial_p): Kill.
14382         * config/i386/i386.c (put_condition_code): Eliminate call to
14383         ix86_fp_comparison_codes and subsequent assertion.
14384         (ix86_fp_comparison_codes): Eliminate.
14385         (ix86_fp_swap_condition): New.
14386         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
14387         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
14388         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
14389         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
14390         and ix86_fp_swap_condition.
14391         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
14392         Use ix86_fp_comparison_strategy.
14393         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
14394         (ix86_fp_jump_nontrivial_p): Eliminate.
14395         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
14396         call to ix86_expand_compare.
14397         (ix86_split_fp_branch, ix86_expand_setcc,
14398         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
14399         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
14400
14401 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14402
14403         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
14404         related to jump_clobbers.
14405         * config/arm/arm.md (conds): Remove jump_clob case.
14406         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
14407         splits): Change comparison_operator to arm_comparison_operator.
14408         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
14409         Eliminate.
14410
14411 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14412
14413         * dojump.c (do_compare_rtx_and_jump): Try swapping the
14414         condition for floating point modes.
14415         * expmed.c (emit_store_flag_1): Move here a bigger part
14416         of emit_store_flag.
14417         (emit_store_flag): Try swapping the condition for floating point
14418         modes.
14419         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
14420
14421 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14422
14423         * expr.c (expand_expr_real_1): Just use do_store_flag.
14424         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
14425         emit_store_flag_force.
14426         * expmed.c (emit_store_flag_force): Copy here trick
14427         previously in expand_expr_real_1.  Try reversing the comparison.
14428         (emit_store_flag_1): Work if target is NULL.
14429         (emit_store_flag): Work if target is NULL, using the result mode
14430         from the comparison.  Use split_comparison, restructure final part
14431         to simplify conditionals.
14432
14433 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
14434
14435         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
14436         * dojump.c (do_jump): Change handling of floating-point
14437         ops to use just do_compare_and_jump.
14438         (split_comparison): New.
14439         (do_compare_rtx_and_jump): Add here logic coming previously
14440         in do_jump, using split_comparison.
14441
14442 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
14443
14444         PR target/40489
14445         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
14446
14447 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14448
14449         * tree-ssa-alias.c: Fix unintentional commit.
14450
14451 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14452
14453         * passes.c (execute_one_pass): Fix unintentional commit.
14454
14455 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14456
14457         * df-problems.c (df_set_seen, df_unset_seen): Delete.
14458         (df_rd_local_compute, df_md_local_compute): Inline them.
14459
14460         (df_md_scratch): New.
14461         (df_md_alloc, df_md_free): Allocate/free it.
14462         (df_md_local_compute): Only include live registers in init.
14463         (df_md_transfer_function): Prune the in-set computed by
14464         the confluence function, and the gen-set too.
14465
14466 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14467
14468         PR rtl-optimization/26854
14469         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
14470         * df-problems.c (df_rd_add_problem): Fix comment.
14471         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
14472         df_md_simulate_artificial_defs_at_top,
14473         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
14474         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
14475         df_md_transfer_function, df_md_init, df_md_confluence_0,
14476         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
14477         problem_MD, df_md_add_problem): New.
14478         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
14479         df_md_get_bb_info): New.
14480         (DF_LAST_PROBLEM_PLUS1): Adjust.
14481
14482         * Makefile.in (fwprop.o): Include domwalk.h.
14483         * fwprop.c: Include domwalk.h.
14484         (reg_defs, reg_defs_stack): New.
14485         (bitmap_only_bit_between): Remove.
14486         (process_defs): New.
14487         (process_uses): Use reg_defs and local_md instead of
14488         bitmap_only_bit_between and local_rd.
14489         (single_def_use_enter_block): New, from build_single_def_use_links.
14490         (single_def_use_leave_block): New.
14491         (build_single_def_use_links): Remove code moved to
14492         single_def_use_enter_block, invoke domwalk.
14493         (use_killed_between): Adjust comment.
14494
14495 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14496
14497         * bitmap.h (bitmap_ior_and_into): New.
14498         * bitmap.c (bitmap_ior_and_into): New.
14499
14500 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
14501
14502         * domwalk.h (struct dom_walk_data): Remove all callbacks except
14503         before_dom_children_before_stmts and after_dom_children_after_stmts.
14504         Rename the two remaining callbacks to just before_dom_children and
14505         after_dom_children. Remove other GIMPLE statement walking bits.
14506         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
14507         * graphite.c: Do not include domwalk.h.
14508         * tree-into-ssa.c (interesting_blocks): New global.
14509         (struct mark_def_sites_global_data): Remove it and names_to_rename.
14510         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
14511         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
14512         now that they're not domwalk callbacks.
14513         (rewrite_initialize_block): Rename to...
14514         (rewrite_enter_block): ... this, place after called functions.  Test
14515         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
14516         (rewrite_finalize_block): Rename to...
14517         (rewrite_leave_block): ... this, place after called functions.
14518         (rewrite_update_init_block): Rename to...
14519         (rewrite_update_enter_block): ... this, place after called functions.
14520         Test interesting_blocks, call rewrite_update_stmt and
14521         rewrite_update_phi_arguments.
14522         (rewrite_update_fini_block): Rename to...
14523         (rewrite_leave_block): ... this, place after called functions.
14524         (rewrite_blocks): Remove last argument, simplify initialization of
14525         walk_data.
14526         (mark_def_sites_initialize_block): Rename to...
14527         (mark_def_sites_block): ... this, call mark_def_sites.
14528         (mark_def_sites_blocks): Remove argument, simplify initialization of
14529         walk_data.
14530         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
14531         (update_ssa): Likewise.
14532         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
14533         callback.
14534         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
14535         (dom_opt_initialize_block): Rename to...
14536         (dom_opt_enter_block): ... this, place after called functions.  Walk
14537         statements here, inline propagate_to_outgoing_edges.
14538         (dom_opt_finalize_block): Rename to...
14539         (dom_opt_leave_block): ... this, place after called functions.
14540         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
14541         domwalk callback.
14542         (dse_enter_block, dse_record_phi): New.
14543         (dse_record_phis): Delete.
14544         (dse_finalize_block): Rename to...
14545         (dse_leave_block): ... this.
14546         (tree_ssa_dse): Simplify initialization of walk_data.
14547         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
14548         Adjust initialization of walk_data.
14549         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
14550         * tree-ssa-loop-phiopt.c (get_non_trapping):
14551         Adjust initialization of walk_data.
14552         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
14553         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
14554         it's not a domwalk callback.
14555         (uncprop_initialize_block): Rename to...
14556         (dse_enter_block): ... this, call uncprop_into_successor_phis.
14557         (dse_finalize_block): Rename to...
14558         (dse_leave_block): ... this.
14559         (tree_ssa_uncprop): Simplify initialization of walk_data.
14560         * Makefile.in: Adjust dependencies.
14561
14562 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
14563
14564         * arm.md (casesi): Fix test for Thumb1.
14565         (thumb1_casesi_internal_pic): Likewise.
14566         (thumb1_casesi_dispatch): Likewise.
14567
14568 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
14569
14570         * config/arm/arm-cores.def: Added core cortex-m0.
14571         * config/arm/arm-tune.md: Regenerated.
14572         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
14573
14574 2009-06-26  DJ Delorie  <dj@redhat.com>
14575
14576         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
14577
14578         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
14579         the scheduler doesn't tag jump insns.
14580
14581 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
14582
14583         * c-decl.c (merge_decls): Re-indent.
14584
14585 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
14586
14587         PR c/39902
14588         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
14589         Special-case decimal float constants.
14590
14591 2009-06-26  Richard Henderson  <rth@redhat.com>
14592
14593         * function.h (struct function): Add cannot_be_copied_reason,
14594         and cannot_be_copied_set.
14595         * tree-inline.c (has_label_address_in_static_1): Rename from
14596         inline_forbidden_p_2; don't set inline_forbidden_reason here.
14597         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
14598         don't set inline_forbidden_reason.
14599         (copy_forbidden): New function, split out of inline_forbidden_p.
14600         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
14601         (inline_forbidden_p): Use copy_forbidden.
14602         (tree_versionable_function_p): Likewise.
14603         (inlinable_function_p): Merge into tree_inlinable_function_p.
14604         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
14605         * ipa-cp.c (ipcp_versionable_function_p): New function.
14606         (ipcp_cloning_candidate_p): Use it.
14607         (ipcp_node_modifiable_p): Likewise.
14608
14609 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
14610
14611         * builtins.c (expand_builtin_alloca): Handle builtin alloca
14612         that is marked not to be inlined. Remove flag_mudflap use.
14613         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
14614         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
14615
14616 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
14617
14618         PR bootstrap/40338
14619         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
14620         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
14621
14622 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
14623
14624         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
14625         shared libgcc.
14626         (__mingwthr_remove_key_dtor): Likewise.
14627
14628 2009-06-26  Richard Guenther  <rguenther@suse.de>
14629
14630         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
14631
14632 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
14633
14634         PR middle-end/40525
14635         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
14636         try the non-cond_exec path also.
14637
14638 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14639
14640         PR target/40468
14641         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
14642         (output_cbranch): Use new functions.
14643         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
14644         Likewise.
14645
14646 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
14647             Pat Haugen  <pthaugen@us.ibm.com>
14648             Revital Eres <ERES@il.ibm.com>
14649
14650         * config/rs6000/rs6000.c (print_operand): Correct lossage message
14651         for %c error.  Add %x support to print VSX registers as a unified
14652         register set, instead of separate float and altivec registers.
14653         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
14654         %y case, and add support for VSX pre-modify addresses.
14655         (output_toc): Add assert for CONST containing an integer constant
14656         in the PLUS case.
14657         (rs6000_adjust_cost): Add POWER7 support.
14658         (insn_must_be_first_in_group): Ditto.
14659         (insn_must_be_last_in_group): Ditto.
14660         (rs6000_emit_popcount): Ditto.
14661         (rs6000_vector_mode_supported_p): Ditto.
14662
14663         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
14664         Change some of the functions called by macros to being called
14665         through a pointer, so debug functions can be inserted if
14666         -mdebug=addr or -mdebug=cost.
14667         (rs6000_preferred_reload_class_ptr): Ditto.
14668         (rs6000_secondary_reload_class_ptr): Ditto.
14669         (rs6000_secondary_memory_needed_ptr): Ditto.
14670         (rs6000_cannot_change_mode_class_ptr): Ditto.
14671         (rs6000_secondary_reload_inner): Ditto.
14672         (rs6000_legitimize_reload_address): Ditto.
14673         (rs6000_legitimize_reload_address_ptr): Ditto.
14674         (rs6000_mode_dependent_address): Ditto.
14675         (rs6000_mode_dependent_address_ptr): Ditto.
14676
14677         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
14678         function to return true if the mode allows reg + integer
14679         addresses.
14680         (virtual_stack_registers_memory_p): New function to return true if
14681         the address refers to a virtual stack register.
14682         (rs6000_legitimate_offset_address_p): Move code to say whether a
14683         mode supports reg+int addressing to reg_offset_addressing_ok_p and
14684         call it.
14685         (rs6000_legitimate_address_p): Add checks for modes that only can
14686         do reg+reg addressing.  Start adding VSX support.
14687         (rs6000_legitimize_reload_address): Ditto.
14688         (rs6000_legitimize_address): Ditto.
14689         (rs6000_debug_legitimate_address_p): New debug functions for
14690         -mdebug=addr and -mdebug=cost.
14691         (rs6000_debug_rtx_costs): Ditto.
14692         (rs6000_debug_address_costs): Ditto.
14693         (rs6000_debug_adjust_cost): Ditto.
14694         (rs6000_debug_legitimize_address): Ditto.
14695         (rs6000_legitimize_reload_address_ptr): Point to call normal
14696         function or debug function.  Make functions called via pointer
14697         static.
14698         (rs6000_mode_dependent_address_ptr): Ditto.
14699         (rs6000_secondary_reload_class_ptr): Ditto.
14700         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
14701         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
14702         into a friendlier error.
14703         (rs6000_init_builtins): Add initial VSX support.
14704         (rs6000_adjust_cost): Fix some spacing issues.
14705
14706         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
14707         (REG_CLASS_NAMES): Ditto.
14708         (REG_CLASS_CONTENTS): Ditto.
14709         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
14710         pointer, to add -mdebug=addr support.
14711         (CANNOT_CHANGE_MODE_CLASS): Ditto.
14712         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
14713         -mdebug=addr support.
14714         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
14715         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
14716         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
14717
14718         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
14719         16-bit values.
14720         (bswapsi*): Set attribute types for load/store.  Add combiner
14721         patterns to eliminate zero extend on 64-bit.
14722         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
14723         stdbrx if the hardware supports those instructions.
14724
14725 2009-06-25  Ian Lance Taylor  <iant@google.com>
14726
14727         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
14728         (Link Options): Document -static-libstdc++.
14729
14730 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14731
14732         PR target/38731
14733         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
14734         DATA_ALIGNMENT instead.
14735
14736 2009-06-25  Richard Guenther  <rguenther@suse.de>
14737
14738         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
14739         indirect references against the callused/escaped solutions.
14740         (call_may_clobber_ref_p_1): Likewise.
14741
14742 2009-06-25  Martin Jambor  <mjambor@suse.cz>
14743
14744         PR tree-optimization/40493
14745         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
14746         (enum unscalarized_data_handling): New type.
14747         (handle_unscalarized_data_in_subtree): Return what has been done.
14748         (load_assign_lhs_subreplacements): Handle left flushes differently.
14749         (sra_modify_assign): Use unscalarized_data_handling, simplified
14750         condition determining whether to remove the statement.
14751
14752 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
14753
14754         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
14755         excerpt - @ should be doubled for texinfo.
14756
14757 2009-06-24  Ian Lance Taylor  <iant@google.com>
14758
14759         * config/arc/arc.c: Include "df.h".
14760         (arc_attribute_table): Make static.  Move higher in file.
14761         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
14762         (output_shift): Initialize n later to avoid warning.
14763         * config/arm/arm.c (arm_attribute_table): Make static.  Move
14764         higher in file.
14765         * config/avr/avr.c (avr_attribute_table): Make static.  Move
14766         higher in file.
14767         (reg_class_tab): Change array type from int to enum reg_class.
14768         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
14769         LABEL_REF.
14770         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
14771         (lshrhi3_out): Likewise.
14772         (class_likely_spilled_p): Change return type to bool.
14773         (avr_rtx_costs): Use local code variable with enum type.
14774         * config/avr/avr.md (movmemhi): Use add_reg_note.
14775         (andhi3, andsi3): Don't use AS2 with "and".
14776         (iorhi3, iorsi3): Don't use AS2 with "or".
14777         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
14778         * config/crx/crx.c: Include "df.h".
14779         (crx_attribute_table): Make static.
14780         * config/m32r/m32r.c: Include "df.h".
14781         (m32r_attribute_table): Make static.  Move higher in file.
14782         (pop): Use add_reg_note.
14783         (block_move_call): Change 0 to LCT_NORMAL in function call.
14784         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
14785         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
14786         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
14787         declare, not just when TREE_CODE is defined.
14788         * config/m68hc11/m68hc11.c: Include "expr.h".
14789         (m68hc11_attribute_table): Make static.  Move higher in file.
14790         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
14791         function call.
14792         (m68hc11_register_indirect_p): Likewise.
14793         (m68hc11_function_arg_padding): Change return type to enum
14794         direction.
14795         (emit_move_after_reload): Use add_reg_note.
14796         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
14797         (m68hc11_split_logical): Likewise.
14798         (m68hc11_rtx_costs): Add local code_and outer_code variables with
14799         enum type.
14800         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
14801         to VOIDmode in function call.
14802         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
14803         tree is defined.
14804         (m68hc11_split_logical): Update declaration.
14805         (m68hc11_function_arg_padding): Update declaration.
14806         * config/mcore/mcore.c (regno_reg_class): Change form array of int
14807         to array of enum reg_class.
14808         (mcore_attribute_table): Make static.  Move higher in file.
14809         (mcore_rtx_costs): Add cast to enum type.
14810         * config/mcore/mcore.h (regno_reg_class): Update declaration.
14811         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
14812         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
14813         in file.
14814         * config/sh/predicates.md (trapping_target_operand): Rename and to
14815         and_expr.
14816         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
14817         higher in file.
14818         * config/spu/spu.c (spu_attribute_table): Make static.  Move
14819         higher in file.
14820         * config/v850/v850.c (v850_attribute_table): Make static.  Move
14821         higher in file.
14822         (v850_rtx_costs): Use local code with enum type.
14823         (expand_epilogue): Add cast.
14824         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
14825
14826 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
14827
14828         PR target/40515
14829         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
14830         -m2a-single-only and -m2a-nofpu.
14831         * config/sh/sh.opt: Document m2a generates FPU code.
14832
14833 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
14834
14835         * defaults.h (CAN_ELIMINATE): Provide default.
14836         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
14837         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
14838         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
14839         * config/spu/spu.h (CAN_ELIMINATE): Delete.
14840         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
14841         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
14842         * config/cris/cris.h (CAN_ELIMINATE): Delete.
14843         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
14844         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
14845         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
14846
14847 2009-06-24  DJ Delorie  <dj@redhat.com>
14848
14849         * mep-ext-cop.cpu: Fix copyright notice.
14850         * mep-default: Fix copyright notice.
14851         * mep-core: Fix copyright notice.
14852         * mep: Fix copyright notice.
14853         * mep-ivc2: Fix copyright notice.
14854         * mep-c5: Fix copyright notice.
14855
14856 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
14857
14858         * doc/contrib.texi (Contributors):
14859
14860 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
14861
14862         PR middle-end/40501
14863         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
14864         src and dst operands if necessary.
14865
14866 2009-06-23  DJ Delorie  <dj@redhat.com>
14867
14868         Add MeP port.
14869         * config.gcc: Add mep support.
14870         * recog.c: Resurrect validate_replace_rtx_subexp().
14871         * recog.h: Likewise.
14872         * config/mep/: Add new port:
14873         * config/mep/constraints.md: New file.
14874         * config/mep/default.h: New file.
14875         * config/mep/intrinsics.h: New file.
14876         * config/mep/intrinsics.md: New file.
14877         * config/mep/ivc2-template.h: New file.
14878         * config/mep/mep-c5.cpu: New file.
14879         * config/mep/mep-core.cpu: New file.
14880         * config/mep/mep-default.cpu: New file.
14881         * config/mep/mep-ext-cop.cpu: New file.
14882         * config/mep/mep-intrin.h: New file.
14883         * config/mep/mep-ivc2.cpu: New file.
14884         * config/mep/mep-lib1.asm: New file.
14885         * config/mep/mep-lib2.c: New file.
14886         * config/mep/mep-pragma.c: New file.
14887         * config/mep/mep-protos.h: New file.
14888         * config/mep/mep-tramp.c: New file.
14889         * config/mep/mep.c: New file.
14890         * config/mep/mep.cpu: New file.
14891         * config/mep/mep.h: New file.
14892         * config/mep/mep.md: New file.
14893         * config/mep/mep.opt: New file.
14894         * config/mep/predicates.md: New file.
14895         * config/mep/t-mep: New file.
14896
14897 2009-06-23  Ian Lance Taylor  <iant@google.com>
14898
14899         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
14900         from loose_warn into c_loose_warn and from strict_warn into
14901         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
14902         --enable-build-with-cxx.  Set and substitute
14903         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
14904         * Makefile.in (CXXFLAGS): New variable.
14905         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
14906         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
14907         the default is the same as $(STRICT_WARN).
14908         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
14909         (CXX): New variable.
14910         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
14911         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
14912         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
14913         (HOST_LIBS): New variable.
14914         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
14915         (ALL_CXXFLAGS): New variable.
14916         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
14917         * doc/install.texi (Configuration): Document
14918         --enable-build-with-cxx, --with-stage1-ldflags,
14919         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
14920         * configure: Rebuild.
14921
14922 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14923
14924         * config/arm/arm.c (arm_override_options): Fix braces and formatting
14925         from previous commit.
14926
14927 2009-06-23  Ian Lance Taylor  <iant@google.com>
14928
14929         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
14930
14931 2009-06-23  Ian Lance Taylor  <iant@google.com>
14932
14933         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
14934         with ATTRIBUTE_UNUSED.
14935
14936 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
14937             Pat Haugen  <pthaugen@us.ibm.com>
14938             Revital Eres  <eres@il.ibm.com>
14939
14940         * config.in (HAVE_AS_POPCNTD): Add default definition.
14941         (HAVE_AS_LWSYNC): Ditto.
14942
14943         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
14944         release number.
14945         (gcc_cv_as_powerpc_cmpb): Ditto.
14946         (gcc_cv_as_powerpc_dfp): Ditto.
14947         (gcc_cv_as_powerpc_vsx): Ditto.
14948         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
14949         supporting the popcntd/lwsync instructions.
14950         (gcc_cv_as_powerpc_lwsync): Ditto.
14951         * configure: Regenerate.
14952
14953         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
14954         -mcpu=native and -mcpu=power7.
14955         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
14956
14957         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
14958         a variable instead of a mask to reduce the number of mask bits.
14959         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
14960         (-mbit-word): Ditto.
14961         (-mregnames): Ditto.
14962         * config/rs6000/rs6000.opt (-mupdate): Ditto.
14963         (-mfused-madd): Ditto.
14964
14965         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
14966         2.06 instructions.
14967         (-mvsx): New switch for VSX instructions.
14968         (-misel): Move from a variable to a mask to allow it to be set by
14969         -mcpu=.
14970
14971         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
14972         function declaration to an array declaration.
14973         (rs6000_hard_regno_nregs): New external array declaration.
14974
14975         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
14976         files included by rs6000.md.
14977
14978         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
14979         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
14980
14981         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
14982         a target mask.
14983         (rs6000_debug_reg): New -mdebug= variables.
14984         (rs6000_debug_addr): Ditto.
14985         (rs6000_debug_cost): Ditto.
14986         (rs6000_pmode): New variable to hold Pmode.
14987         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
14988         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
14989         calculated at compiler start.
14990         (rs6000_hard_regno_nregs): Change function to an array which holds
14991         HARD_REGNO_NREGS calculated at compiler start.
14992         (rs6000_explicit_options): Delete isel field.
14993         (rs6000_vector_unit): New array to hold which vector unit
14994         supports arithmetic options for a given type.
14995         (rs6000_vector_mem): New array to hold which vector unit supports
14996         memory reference operations for a given type.
14997         (rs6000_vector_align): New array to given the alignment of each
14998         vector type.
14999         (power7_cost): New basic costs for power7.
15000         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
15001         (rs6000_hard_regno_nregs_internal): New function, moved from
15002         HARD_REGNO_NREGS, to calculate the number of registers each hard
15003         register takes for each type.
15004         (rs6000_debug_reg_print): New function for -mdebug=reg support.
15005         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
15006         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
15007         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
15008         unit information here so it is calculated once at compiler startup
15009         time.
15010         (rs6000_override_options): Make -misel a target mask.  Add more
15011         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
15012         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
15013         -mdebug=cost.
15014         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
15015         (rs6000_handle_option): Move -misel from variable to target mask.
15016         (rs6000_builtin_mask_for_load): Add VSX support.
15017         (rs6000_conditional_register_usage): Ditto.
15018         (USE_ALTIVEC_FOR_ARG_P): Ditto.
15019         (function_arg_boundary): Ditto.
15020         (rs6000_expand_builtin): Ditto.
15021         (def_builtin): Make abort message a little friendlier.
15022         (rs6000_emit_int_cmove): Add support for 64-bit isel.
15023
15024         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
15025         assembler support the popcntd instruction instead of a vsx
15026         instruction to enable power7 support.
15027         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
15028         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
15029         option to the assembler if -mcpu=native.
15030         (ASM_CPU_NATIVE_SPEC): Ditto.
15031         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
15032         ISA 2.06 features.
15033         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
15034         the lwsync instruction.
15035         (enum processor_type): Add PROCESSOR_POWER7.
15036         (rs6000_debug_reg): New -mdebug= options.
15037         (rs6000_debug_addr): Ditto.
15038         (rs6000_debug_cost): Ditto.
15039         (rs6000_isel): Delete.
15040         (enum rs6000_vector): New enum to say what vector unit we have.
15041         (VECTOR_UNIT_*): New macros to say which vector unit has
15042         arithmetic operations for a given type.
15043         (VECTOR_MEM_*): New macros to say which vector unit has memory
15044         operations for a given type.
15045         (TARGET_LDBRX): Whether the machine supports the ldbrx
15046         instruction.
15047         (TARGET_ISEL): Delete, -misel moved to be a mask.
15048         (TARGET_ISEL64): New macro for 64-bit isel support.
15049         (UNITS_PER_VSX_WORD): New macro.
15050         (POINTER_SIZE): Move to be an external variable, rather than
15051         calculating whether we are generating 32 ot 64-bit code.
15052         (Pmode): Ditto.
15053         (STACK_BOUNDARY): Add VSX support.
15054         (LOCAL_ALIGNMENT): Ditto.
15055         (SLOW_UNALIGNED_ACCESS): Ditto.
15056         (VSX_REGNO_P): New macro for VSX support.
15057         (VFLOAT_REGNO_P): Ditto.
15058         (VINT_REGNO_P): Ditto.
15059         (VLOGICAL_REGNO_P): Ditto.
15060         (VSX_VECTOR_MODE): Ditto.
15061         (VSX_SCALAR_MODE): Ditto.
15062         (VSX_MODE): Ditto.
15063         (VSX_MOVE_MODE): Ditto.
15064         (VSX_REG_CLASS_P): Ditto.
15065         (HARD_REGNO_NREGS): Instead of calling a function, use an array
15066         lookup.
15067         (UNITS_PER_SIMD_WORD): Add VSX support.
15068         (MODES_TIEABLE_P): Ditto.
15069         (STARTING_FRAME_OFFSET): Ditto.
15070         (STACK_DYNAMIC_OFFSET): Ditto.
15071         (EPILOGUE_USES): Ditto.
15072         (REGNO_REG_CLASS): Move to array lookup.
15073         (CLASS_MAX_NREGS): Ditto.
15074         (rs6000_vector_reg_class): Add declaration.
15075         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
15076         overlap with the floating point and Altivec registers.
15077
15078         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
15079
15080         * config/rs6000/driver-rs6000.c (asm_names): New static array to
15081         give the appropriate asm switches if -mcpu=native.
15082         (host_detect_local_cpu): Add support for "asm".
15083         (host_detect_local_cpu): Follow GNU code guidelines for name.
15084
15085         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
15086         -mbit-word to a variable instead of being a target mask.
15087
15088         * config/rs6000/sync.md (lwsync): If the assembler supports it,
15089         emit the lwsync instruction instead of emitting the instruction as
15090         an integer constant.
15091
15092         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
15093         fixuns_trundfsi2, move expander into rs6000.md.
15094
15095         * config/rs6000/rs6000.md (cpu): Add power7.
15096         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
15097         (logical predicate patterns): Change the single instruction
15098         primitives that set CR0 to be fast_compare instead of compare.
15099         (norsi*): Ditto.
15100         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
15101         (popcntddi2): Ditto.
15102         (popcount<mode>): Ditto.
15103         (floating multiply/add insns): Name the floating point
15104         multiply/add insns.
15105         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
15106         (isel_unsigned_<mode>): Ditto.
15107         (fixuns_trundfsi2): Move expander here from spe.md.
15108         (smindi3): Define if we have -misel on 64-bit systems.
15109         (smaxdi3): Ditto.
15110         (umindi3): Ditto.
15111         (umaxdi3): Ditto.
15112
15113 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
15114
15115         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
15116         extra_objs.
15117         * config/avr/avr.c (avr_current_device): New variable.
15118         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
15119         (avr_arch, mcu_type_s): Move to avr.h.
15120         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
15121         default_data_section_start fields.
15122         (avr_arch): Moved from avr.c.
15123         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
15124         library_name fields.
15125         (avr_current_device, avr_mcu_types, avr_arch_types,
15126         avr_device_to_arch, avr_device_to_data_start,
15127         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
15128         (EXTRA_SPEC_FUNCTIONS): Define.
15129         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
15130         options mapping. Use device_to_arch and device_to_data_start insted.
15131         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
15132         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
15133         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
15134         * config/avr/driver-avr.c: New file.
15135         * config/avr/avr-devices.c: New file.
15136
15137 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
15138
15139         * var-tracking.c (unshare_variable): Force initialized to
15140         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
15141         (set_variable_part): Likewise.
15142         (struct variable_union_info): Remove pos_src field.
15143         (vui_vec, vui_allocated): New variables.
15144         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
15145         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
15146         == 1 use a simpler sorting algorithm.  Compute pos field right
15147         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
15148         Avoid quadratic comparison if !flag_var_tracking_uninit.
15149         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
15150         unshare_variable unconditionally.
15151         (dataflow_set_different_2): Removed.
15152         (dataflow_set_different): Don't traverse second hash table.
15153         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
15154         unconditionally to var_reg_set or var_mem_set.
15155         (emit_notes_in_bb): Likewise.
15156         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
15157         unshare_variable.
15158         (emit_note_insn_var_location): Don't set initialized to
15159         VAR_INIT_STATUS_INITIALIZED early.
15160         (vt_finalize): Free vui_vec if needed, clear vui_vec and
15161         vui_allocated.
15162         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
15163
15164         * tree-object-size.c (addr_object_size): Instead of checking
15165         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
15166         are no FIELD_DECLs following it.
15167
15168 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
15169
15170         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
15171         order to match bswaps with signed source operands.
15172
15173 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
15174
15175         * sdbout.c (sdbout_one_type): Fix braces in switch.
15176
15177 2009-06-23  Richard Guenther  <rguenther@suse.de>
15178
15179         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
15180         member.
15181         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
15182         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
15183         var_callused, callused_tree, var_storedanything, storedanything_tree,
15184         var_integer, integer_tree): Remove global variables.
15185         (new_var_info): Do not pass new id, append the new var to the
15186         global variable vector.
15187         (do_ds_constraint): Use is_global_var member of the variable-info.
15188         (new_scalar_tmp_constraint_exp): Adjust.
15189         (create_function_info_for): Likewise.
15190         (create_variable_info_for): Likewise.
15191         (find_what_var_points_to): Remove dead code.
15192         (init_base_vars): Simplify.
15193         (compute_points_to_sets): Adjust.
15194
15195 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
15196
15197         * combine.c (try_combine): Dump information about the insns we're
15198         combining.
15199
15200 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
15201
15202         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
15203         check when calling force_to_mode on TRUNCATE's operand.
15204
15205 2009-06-22  Ian Lance Taylor  <iant@google.com>
15206
15207         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
15208
15209 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
15210
15211         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
15212
15213 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15214
15215         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
15216         override library linkage flags such as -static-libgcc or
15217         -shared-libgcc.
15218
15219 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
15220
15221         * config/m68k/m68k-devices.def: Add line for MCF5221x.
15222
15223 2009-06-22  Ian Lance Taylor  <iant@google.com>
15224
15225         * config/linux.opt: Put mglibc ahead of muclibc.
15226
15227         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
15228         for duplicate decls.
15229
15230 2009-06-22  Matthias Klose  <doko@ubuntu.com>
15231
15232         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
15233
15234 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
15235
15236         PR objc/28050
15237         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
15238         instead of NULL if a parser error occurs.
15239
15240 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
15241
15242         * dwarf2out.c (dwarf2_debug_hooks): Initialize
15243         non-DWARF2_DEBUGGING_INFO version.
15244
15245 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
15246
15247         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
15248         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
15249
15250         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
15251         (LIBGCC2_TF_CEXT): Define.
15252         (TF_SIZE): Define.
15253
15254 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15255
15256         PR target/40463
15257         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
15258
15259 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15260
15261         * config/arm/arm.c (arm_override_options): Disable
15262         -mcaller-super-interworking and -mcallee-super-interworking.
15263         * doc/invoke.texi (ARM Options): Document this.
15264
15265 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
15266
15267         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
15268         * config/arm/constraints.md (j): New constraint for movw operands.
15269         (N): Remove thumb2 meaning.
15270         * config/arm/arm.md (*arm_movw): Delete.
15271         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
15272         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
15273         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
15274
15275 2009-06-22  Martin Jambor  <mjambor@suse.cz>
15276
15277         PR tree-optimization/40492
15278         * tree-sra.c (sra_modify_assign): Pass zero offsets to
15279         build_ref_for_offset.
15280
15281 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
15282
15283         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
15284         JUMP_TABLE_DATA_P predicates where applicable.
15285         * auto-inc-dec.c: Ditto.
15286         * builtins.c: Ditto.
15287         * caller-save.c: Ditto.
15288         * calls.c: Ditto.
15289         * cfgcleanup.c: Ditto.
15290         * cfglayout.c: Ditto.
15291         * cfgrtl.c: Ditto.
15292         * combine.c: Ditto.
15293         * combine-stack-adj.c: Ditto.
15294         * cse.c: Ditto.
15295         * cselib.c: Ditto.
15296         * dbxout.c: Ditto.
15297         * df-scan.c: Ditto.
15298         * dse.c: Ditto.
15299         * dwarf2asm.c: Ditto.
15300         * dwarf2out.c: Ditto.
15301         * emit-rtl.c: Ditto.
15302         * except.c: Ditto.
15303         * explow.c: Ditto.
15304         * expmed.c: Ditto.
15305         * expr.c: Ditto.
15306         * final.c: Ditto.
15307         * function.c: Ditto.
15308         * fwprop.c: Ditto.
15309         * gcse.c: Ditto.
15310         * genpreds.c: Ditto.
15311         * genrecog.c: Ditto.
15312         * ifcvt.c: Ditto.
15313         * ira-costs.c: Ditto.
15314         * ira-lives.c: Ditto.
15315         * jump.c: Ditto.
15316         * loop-iv.c: Ditto.
15317         * lower-subreg.c: Ditto.
15318         * modulo-sched.c: Ditto.
15319         * optabs.c: Ditto.
15320         * postreload.c: Ditto.
15321         * print-rtl.c: Ditto.
15322         * recog.c: Ditto.
15323         * reginfo.c: Ditto.
15324         * regmove.c: Ditto.
15325         * reload1.c: Ditto.
15326         * reload.c: Ditto.
15327         * reorg.c: Ditto.
15328         * rtlanal.c: Ditto.
15329         * rtl.c: Ditto.
15330         * sched-vis.c: Ditto.
15331         * sdbout.c: Ditto.
15332         * sel-sched-ir.c: Ditto.
15333         * simplify-rtx.c: Ditto.
15334         * targhooks.c: Ditto.
15335         * var-tracking.c: Ditto.
15336         * vmsdbgout.c: Ditto.
15337
15338 2009-06-22  Matthias Klose  <doko@ubuntu.com>
15339
15340         * Makefile.in (install-plugin): Always use DESTDIR.
15341
15342 2009-06-22  Olivier Hainque  <hainque@adacore.com>
15343
15344         * config/pa/pa.c (output_call): Don't optimize post call jumps
15345         into return address adjustments if the call may throw.
15346
15347 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
15348
15349         * arm.c (thumb1_output_casesi): New function.
15350         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
15351         optimizing for size or PIC.
15352         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
15353         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
15354         (casesi): Handle Thumb-1 when optimizing for size or PIC.
15355         (thumb1_casesi_internal_pic): New expand rule.
15356         (thumb1_casesi_dispatch): New pattern.
15357         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
15358         thumb-1 mode.
15359         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
15360         in the text seciton when PIC or optimizing for size.
15361         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
15362         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
15363         preservation properties of code.
15364         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
15365         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
15366         (__gnu_thumb1_case_si): New function.
15367         * t-arm (LIB1ASMSRC): Define here.
15368         (LIB1ASMFUNCS): Add some common functions.
15369         * t-arm-elf (LIB1ASMSRC): Delete.
15370         (LIB1ASMFUNCS): Append to existing set.
15371         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15372         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15373         * t-symbian (LIB1ASMFUNCS): Likewise.
15374         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15375         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
15376
15377 2009-06-21  Richard Guenther  <rguenther@suse.de>
15378
15379         PR tree-optimization/38729
15380         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
15381         to loops with a single exit if -fno-expensive-optimizations.
15382
15383 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
15384
15385         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
15386         (dataflow_set): Change vars type from htab_t to shared_hash.
15387         (shared_hash_pool, empty_shared_hash): New variables.
15388         (vars_clear): Removed.
15389         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
15390         shared_hash_find_slot_unshare, shared_hash_find_slot,
15391         shared_hash_find_slot_noinsert, shared_hash_find): New
15392         static inlines.
15393         (shared_hash_unshare, shared_hash_destroy): New functions.
15394         (unshare_variable): Unshare set->vars if shared, use
15395         shared_hash_htab.
15396         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
15397         (get_init_value, find_src_set_src, dump_dataflow_set,
15398         clobber_variable_part, emit_notes_for_differences): Use
15399         shared_hash_htab.
15400         (dataflow_set_init): Remove second argument, set vars to
15401         empty_shared_hash instead of creating a new htab.
15402         (dataflow_set_clear): Call shared_hash_destroy and set vars
15403         to empty_shared_hash instead of calling vars_clear.
15404         (dataflow_set_copy): Don't call vars_copy, instead just share
15405         the src htab with dst.
15406         (variable_union): Use shared_hash_*, use initially NO_INSERT
15407         lookup if set->vars is shared.  Don't keep slot cleared before
15408         calling unshare_variable.  Unshare set->vars if needed.
15409         Even ->refcount == 1 vars must be unshared if set->vars is shared
15410         and var needs to be modified.
15411         (variable_canonicalize): New function.
15412         (dataflow_set_union): If dst->vars is empty, just share src->vars
15413         with dst->vars and traverse with variable_canonicalize to canonicalize
15414         and unshare what is needed.
15415         (dataflow_set_different): If old_set and new_set use the same shared
15416         htab, they aren't different.  If number of htab elements is different,
15417         htabs are different.  Use shared_hash_*.
15418         (dataflow_set_destroy): Call shared_hash_destroy instead of
15419         htab_delete.
15420         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
15421         second argument to dataflow_set_init.
15422         (vt_initialize): Likewise.  Initialize shared_hash_pool and
15423         empty_shared_hash, move bb in/out initialization afterwards.
15424         Use variable_htab_free instead of NULL as changed_variables del hook.
15425         (variable_was_changed): Change type of second argument to pointer to
15426         dataflow_set.  When inserting var into changed_variables, bump
15427         refcount.  Unshare set->vars if set is shared htab and slot needs to
15428         be cleared.
15429         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
15430         lookup if set->vars is shared.  Unshare set->vars if needed.
15431         Even ->refcount == 1 vars must be unshared if set->vars is shared
15432         and var needs to be modified.  Adjust variable_was_changed caller.
15433         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
15434         vars must be unshared if set->vars is shared and var needs to be
15435         modified.  Adjust variable_was_changed caller.
15436         (emit_note_insn_var_location): Don't pool_free var.
15437         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
15438         instead of 1.
15439         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
15440         free_alloc_pool on shared_hash_pool.
15441
15442 2009-06-20  Anthony Green  <green@moxielogic.com>
15443
15444         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
15445         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
15446
15447 2009-06-20  Richard Guenther  <rguenther@suse.de>
15448
15449         * tree-ssa-structalias.c (find_func_aliases): For memset use
15450         a constraint from NULL if we memset to zero.
15451         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
15452         we explicitly handle that do not read from memory.
15453         (call_may_clobber_ref_p_1): Properly handle builtins that may
15454         set errno.
15455
15456 2009-06-20  Richard Guenther  <rguenther@suse.de>
15457
15458         PR tree-optimization/40495
15459         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
15460         (new_scalar_tmp_constraint_exp): New function.
15461         (process_constraint): Do not create temporary decls.
15462         (process_all_all_constraints): Likewise.
15463         (handle_const_call): Likewise.
15464         (create_function_info_for): Do not set decl.
15465
15466 2009-06-19  Ian Lance Taylor  <iant@google.com>
15467
15468         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
15469         (rs6000_attribute_table): Make static; move before use.
15470
15471 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
15472
15473         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
15474         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
15475         Propagate the TREE_READONLY flag without overwriting it.
15476         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
15477         Propagate the TREE_READONLY flag onto the result.
15478         (process_call_operands): Move around.  Use correct constant value.
15479
15480 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15481
15482         PR target/40482
15483         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
15484         * config/arm/arm.md: Likewise.
15485
15486 2009-06-19  Ian Lance Taylor  <iant@google.com>
15487
15488         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
15489         to GIMPLE_ERROR_MARK.
15490
15491         * c-typeck.c (build_conditional_expr): Add op1_original_type and
15492         op2_original_type parameters.  Warn about using different enum types.
15493         * c-parser.c (c_parser_conditional_expression): Pass original
15494         types to build_conditional_expr.
15495         * c-tree.h (build_conditional_expr): Update declaration.
15496
15497 2009-06-19  Ian Lance Taylor  <iant@google.com>
15498
15499         * config/i386/i386.c (ix86_function_specific_save): Test that
15500         fields match values, rather than testing the values are in a
15501         certain range.
15502
15503 2009-06-19  Richard Guenther  <rguenther@suse.de>
15504
15505         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
15506         ADDR_EXPR pointers.
15507         (ptr_derefs_may_alias_p): Likewise.
15508         (ptr_deref_may_alias_ref_p_1): New function.
15509         (ptr_deref_may_alias_ref_p): Likewise.
15510         (ref_maybe_used_by_call_p_1): Handle builtins that are not
15511         covered by looking at the ESCAPED solution.
15512         (call_may_clobber_ref_p_1): Likewise.
15513         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
15514         Handle NULL_TREE offset.  Do not produce redundant constraints.
15515         (process_all_all_constraints): New helper function.
15516         (do_structure_copy): Use it.
15517         (handle_lhs_call): Likewise.
15518         (find_func_aliases): Handle some builtins with pointer arguments
15519         and/or return values explicitly.
15520
15521 2009-06-19  Ian Lance Taylor  <iant@google.com>
15522
15523         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
15524
15525 2009-06-19  Ian Lance Taylor  <iant@google.com>
15526
15527         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
15528
15529 2009-06-19  Ian Lance Taylor  <iant@google.com>
15530
15531         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
15532         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
15533         version.
15534
15535         * c-decl.c (finish_decl): If -Wc++-compat, warn about
15536         uninitialized const.
15537
15538 2009-06-19  Ian Lance Taylor  <iant@google.com>
15539
15540         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
15541         all uses.
15542
15543         * c-decl.c (in_struct, struct_types): Remove.
15544         (struct c_binding): Add in_struct field.
15545         (c_binding_ptr): Define type, along with VEC.
15546         (struct c_struct_parse_info): Define.
15547         (struct_parse_info): New static variable.
15548         (bind): Initialize in_struct field.
15549         (start_struct): Remove enclosing_in_struct and
15550         enclosing_struct_types parameters.  Add
15551         enclosing_struct_parse_info parameter.  Change all callers.  Set
15552         struct_parse_info rather than in_struct and struct_types.
15553         (grokfield): If -Wc++-compat and there is a symbol binding for the
15554         field name, set the in_struct flag and push it on the
15555         struct_parse_info->fields vector.
15556         (warn_cxx_compat_finish_struct): New static function.
15557         (finish_struct): Remove enclosing_in_struct and
15558         enclosing_struct_types parameters.  Add
15559         enclosing_struct_parse_info parameter.  Change all callers.  Don't
15560         set C_TYPE_DEFINED_IN_STRUCT here.  Call
15561         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
15562         parameter.  Only push on struct_types if warn_cxx_compat.
15563         (finish_enum): Only push on struct_types if warn_cxx_compat.
15564         (declspecs_add_type): Add loc parameter.  Change all callers.
15565         Change all error calls to error_at.  Pass loc, not input_location,
15566         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
15567         defined in a struct.  If -Wc++-compat and parsing a struct, record
15568         that a typedef name was used.
15569         * c-parser.c (c_parser_declspecs): Get location to pass to
15570         declspecs_add_type.
15571         (c_parser_struct_or_union_specifier): Update calls to start_struct
15572         and finish_struct.
15573         * c-tree.h (struct c_struct_parse_info): Declare.
15574         (finish_struct, start_struct): Update declarations.
15575         (declspecs_add_type): Update declaration.
15576
15577 2009-06-19  Ian Lance Taylor  <iant@google.com>
15578
15579         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
15580         variable with an anonymous type.
15581
15582 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
15583
15584         * see.c: Remove for real.
15585
15586 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
15587
15588         * optabs.h (enum optab_index): Add new OTI_significand.
15589         (significand_optab): Define corresponding macro.
15590         * optabs.c (init_optabs): Initialize significand_optab.
15591         * genopinit.c (optabs): Implement significand_optab using
15592         significand?f2 patterns.
15593         * builtins.c (expand_builtin_mathfn): Handle
15594         BUILT_IN_SIGNIFICAND{,F,L}.
15595         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
15596         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
15597
15598         * config/i386/i386.md (significandxf2, significand<mode>2): New
15599         expanders to implement significandf, significand and significandl
15600         built-ins as inline x87 intrinsics.
15601
15602 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
15603
15604         * config/avr/avr.c (avr_override_options): Remove setting value of
15605         PARAM_INLINE_CALL_COST.
15606
15607 2009-06-18  Richard Henderson  <rth@redhat.com>
15608
15609         PR 40488
15610         * tree-pass.h (TDF_ASMNAME): New.
15611         * tree-dump.c (dump_options): Add asmname.
15612         * doc/invoke.texi: Document it.
15613
15614         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
15615         (dump_decl_name): ...here.
15616         (dump_function_name): New flags arg; mind TDF_ASMNAME.
15617         (dump_generic_node): Update dump_function_name calls.
15618         (print_call_name): New flags arg; update all dump calls.
15619         * diagnostic.h (print_call_name): Update.
15620         * gimple-pretty-print.c (dump_gimple_call): Update.
15621
15622 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
15623
15624         PR target/40470
15625         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
15626
15627 2009-06-18  Diego Novillo  <dnovillo@google.com>
15628
15629         * doc/plugins.texi: Document plugin_is_GPL_compatible.
15630         * plugin.c (str_license): Declare.
15631         (try_init_one_plugin): Assert that the symbol
15632         'plugin_is_GPL_compatible' exists.
15633
15634 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
15635
15636         * see.c: Remove.
15637         * Makefile.in (OBJS-common): Remove see.o.
15638         (see.o): Remove.
15639         * common.opt (fsee): Mark as preserved for backward compatibility.
15640         * opts.c (common_handle_option): Add OPT_fsee to the backward
15641         compatibility section.
15642         * passes.c (init_optimization_passes, pass_see): Remove pass.
15643         * timevar.def (TV_SEE): Remove.
15644         * tree-pass.h (pass_see): Remove declaration.
15645         * doc/invoke.texi (-fsee): Remove documentation.
15646
15647 2009-06-18  Martin Jambor  <mjambor@suse.cz>
15648
15649         * tree-sra.c: Include statistics.h
15650         (sra_stats): New variable.
15651         (sra_initialize): Clear sra_stats.
15652         (create_access_replacement): Increment sra_stats.replacements.
15653         (get_access_replacement): Do not return twice.
15654         (analyze_all_variable_accesses): Increment statistics counter by the
15655         number of scalarized aggregates.
15656         (generate_subtree_copies): Increment sra_stats.subtree_copies.
15657         (sra_modify_expr): Increment sra_stats.exprs.
15658         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
15659         (sra_modify_assign): Increment sra_stats.exprs,
15660         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
15661         (perform_intra_sra): Update statistics counters.
15662         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
15663
15664 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
15665
15666         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
15667         (arm_scalar_mode_supported_p): New function.
15668
15669 2009-06-18  Paul Brook  <paul@codesourcery.com>
15670             Sandra Loosemore  <sandra@codesourcery.com>
15671
15672         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
15673         (__extendhfsf2, __truncsfhf2): Define.
15674         * config/arm/fp16.c: New file.
15675         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
15676         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
15677
15678 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
15679
15680         * doc/extend.texi (Half-Precision): New section.
15681         * doc/invoke.texi (Option Summary): List -mfp16-format.
15682         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
15683         * config/arm/arm.opt (mfp16-format=): New.
15684         * config/arm/arm.c: Include intl.h.
15685         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
15686         (TARGET_INVALID_RETURN_TYPE): Redefine.
15687         (TARGET_PROMOTED_TYPE): Redefine.
15688         (TARGET_CONVERT_TO_TYPE): Redefine.
15689         (arm_fp16_format): Define.
15690         (all_fpus): Add entry for neon-fp16.
15691         (fp_model_for_fpu): Likewise.
15692         (struct fp16_format): Declare.
15693         (all_fp16_formats): Define.
15694         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
15695         functions.
15696         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
15697         and no ldrh.
15698         (arm_legitimate_index_p): Treat HFmode like HImode.
15699         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
15700         (coproc_secondary_reload_class): Special-case HFmode.
15701         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
15702         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
15703         (arm_init_fp16_builtins): New.
15704         (arm_init_builtins): Call it.
15705         (arm_invalid_parameter_type): New.
15706         (arm_invalid_return_type): New.
15707         (arm_promoted_type): New.
15708         (arm_convert_to_type).
15709         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
15710         format.
15711         (arm_emit_fp16_const): New function.
15712         (arm_mangle_type): Mangle __fp16 as "Dh".
15713         * config/arm/arm.h (TARGET_VFPD32): Make it know about
15714         FPUTYPE_NEON_FP16.
15715         (TARGET_NEON_FP16): New.
15716         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
15717         (enum fputype): Add FPUTYPE_NEON_FP16.
15718         (enum arm_fp16_format_type): Declare.
15719         (arm_fp16_format): Declare.
15720         (LARGEST_EXPONENT_IS_NORMAL): Define.
15721         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
15722         * config/arm/arm-modes.def (HFmode): Define.
15723         * config/arm/vfp.md (*movhf_vfp): New.
15724         (extendhfsf2): New.
15725         (truncsfhf2): New.
15726         * config/arm/arm.md (fpu): Add neon_fp16.
15727         (floatsihf2, floatdihf2): New.
15728         (fix_trunchfsi2, fix_trunchfdi2): New.
15729         (truncdfhf2): New.
15730         (extendhfdf2): New.
15731         (movhf): New.
15732         (*arm32_movhf): New.
15733         (*thumb1_movhf): New.
15734         (consttable_2): Add check for HFmode constants.
15735         (consttable_4): Handle HFmode constants.
15736
15737 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
15738
15739         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
15740
15741 2009-06-17  Olivier Hainque  <hainque@adacore.com>
15742
15743         * collect2.c (main): Use CONST_CAST2 to perform char ** to
15744         const char ** conversion in AIX specific section.
15745
15746 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
15747
15748         * config/i386/i386.c (ix86_special_builtin_type): Remove
15749         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
15750         (bdesc_special_args): Updated.
15751         (ix86_init_mmx_sse_builtins): Likewise.
15752         (ix86_expand_special_args_builtin): Likewise.
15753
15754 2009-06-17  Richard Henderson  <rth@redhat.com>
15755
15756         * tree-pretty-print.c (maybe_dump_asm_name): New.
15757         (dump_decl_name): Use it.
15758         (PRINT_FUNCTION_NAME): Merge into...
15759         (dump_function_name): ... here.  Use maybe_dump_asm_name.
15760
15761 2009-06-17  Cary Coutant  <ccoutant@google.com>
15762
15763         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
15764         Change caller.
15765         * debug.c (struct gcc_debug_hooks): Change placeholder for
15766         source_line hook.
15767         (debug_nothing_int_charstar_int): Replaced by...
15768         (debug_nothing_int_charstar_int_bool): ...this.
15769         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
15770         source_line prototype.
15771         (debug_nothing_int_charstar_int): Replaced by...
15772         (debug_nothing_int_charstar_int_bool): ...this.
15773         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
15774         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
15775         Output is_stmt operand when necessary.
15776         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
15777         (notice_source_line): Add is_stmt parameter.
15778         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
15779         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
15780         Change callers.
15781         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
15782         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
15783
15784 2009-06-17  Ian Lance Taylor  <iant@google.com>
15785
15786         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
15787         Change all uses.
15788         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
15789         call uses.
15790
15791 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
15792
15793         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
15794         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
15795         tree_strip_sign_nop_conversions and
15796         tree_ssa_strip_useless_type_conversions rather than stripping
15797         the operations here.
15798         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
15799         Declare them.
15800         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
15801         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
15802         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
15803         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
15804         functions.
15805
15806 2009-06-17  Michael Eager  <eager@eagercon.com>
15807
15808         * config/rs6000/constraints.md (register_constraint "d"): New.
15809         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
15810         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
15811         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
15812         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
15813         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
15814         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
15815         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
15816         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
15817         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
15818         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
15819         __fctiwz): Same.
15820         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
15821         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
15822         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
15823         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
15824         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
15825         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
15826         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
15827         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
15828         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
15829         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
15830         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
15831         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
15832         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
15833         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
15834
15835 2009-06-16  Ian Lance Taylor  <iant@google.com>
15836
15837         * profile.c (total_num_never_executed): Don't define.
15838         (compute_branch_probabilities): Don't count or print
15839         num_never_executed.
15840         (init_branch_prob): Don't set total_num_never_executed.
15841         (end_branch_prob): Don't print total_num_never_executed.
15842
15843 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
15844
15845         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
15846
15847 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
15848
15849         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
15850         (nabstd2_fpr): Same.
15851
15852 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
15853
15854         * expr.c (expand_assignment): Change complex type check.
15855
15856 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
15857
15858         * doc/plugins.texi (Building GCC plugins): Added new section.
15859
15860 2009-06-17  Ian Lance Taylor  <iant@google.com>
15861
15862         * c-pch.c (get_ident): Don't set size of templ array.
15863         (pch_init): Don't set size of partial_pch array.
15864
15865         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
15866         string constant to intialize an array whose size is the length of
15867         the string.
15868
15869 2009-06-17  Richard Guenther  <rguenther@suse.de>
15870
15871         PR tree-optimization/40389
15872         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
15873         to addressable types.
15874         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
15875
15876 2009-06-17  Richard Guenther  <rguenther@suse.de>
15877
15878         PR middle-end/40460
15879         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
15880         if there is no evolution of left in the loop bail out.
15881         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
15882         chrec_fold_multiply.
15883
15884 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
15885             Janis Johnson  <janis187@us.ibm.com>
15886
15887         PR target/39254
15888         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
15889         for the symbol ref of a constant that is the source of a move
15890         - nor for any other not-obvious-label-ref constants.
15891
15892 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
15893
15894         * plugin.c (position_pass): Skip newly inserted pass during list
15895         traversal to avoid repeated insertion.
15896
15897 2009-06-16  Ian Lance Taylor  <iant@google.com>
15898
15899         * vec.h (VEC_stack_alloc): Define different version if
15900         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
15901         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
15902         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
15903         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
15904
15905 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
15906
15907         * config.gcc (extra_headers): Add ia32intrin.h for x86.
15908
15909         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
15910         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
15911         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
15912         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
15913         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
15914         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
15915         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
15916         (bdesc_special_args): Add __builtin_ia32_rdtsc and
15917         __builtin_ia32_rdtscp.
15918         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
15919         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
15920         and __builtin_ia32_rorhi.
15921         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
15922         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
15923         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
15924         (ix86_expand_args_builtin): Likewise.
15925         (ix86_expand_special_args_builtin): Likewise.
15926
15927         * config/i386/i386.md (UNSPECV_RDTSCP): New.
15928         (UNSPECV_RDTSC): Likewise.
15929         (UNSPECV_RDPMC): Likewise.
15930         (*bsr): Renamed to ...
15931         (bsr): This
15932         (*bsr_rex64): Renamed to ...
15933         (bsr_rex64): This.
15934         (rdpmc): New.
15935         (*rdpmc): Likewise.
15936         (*rdpmc_rex64): Likewise.
15937         (rdtsc): Likewise.
15938         (*rdtsc): Likewise.
15939         (*rdtsc_rex64): Likewise.
15940         (rdtscp): Likewise.
15941         (*rdtscp): Likewise.
15942         (*rdtscp_rex64): Likewise.
15943
15944         * config/i386/ia32intrin.h: New.
15945
15946         * config/i386/x86intrin.h: Include <ia32intrin.h>.
15947
15948 2009-06-16  Ian Lance Taylor  <iant@google.com>
15949
15950         * ira-build.c (copy_info_to_removed_store_destinations):
15951         Initialize parent_a.
15952
15953 2009-06-16  Ian Lance Taylor  <iant@google.com>
15954
15955         * c-decl.c (grokdeclarator): Change size_varies to bool.
15956
15957 2009-06-16  Ian Lance Taylor  <iant@google.com>
15958
15959         * sel-sched.c: Make forward declarations of move_op_hooks and
15960         fur_hooks explicitly extern.
15961
15962 2009-06-16  Ian Lance Taylor  <iant@google.com>
15963
15964         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
15965         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
15966
15967 2009-06-16  Ian Lance Taylor  <iant@google.com>
15968
15969         * resource.c (mark_referenced_resources): Change
15970         include_delayed_effects parameter to bool.  Change all callers.
15971         (mark_end_of_function_resources): Likewise.
15972         * reorg.c (insn_references_resource_p): Likewise.
15973         (insn_sets_resource_p): Likewise.
15974         * resource.h (mark_referenced_resources): Update declaration.
15975         (mark_end_of_function_resources): Update declaration.
15976
15977 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
15978
15979         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
15980
15981 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
15982
15983         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
15984         GCC can bootstrap on AIX with GNU Binutils 2.20.
15985
15986 2009-06-16  Ian Lance Taylor  <iant@google.com>
15987
15988         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
15989
15990 2009-06-16  Ian Lance Taylor  <iant@google.com>
15991
15992         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
15993         inline, not extern inline.
15994         (exact_log2): Likewise.
15995         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
15996         test CLZ_HWI.
15997         (exact_log2): Likewise, but don't test CTZ_HWI.
15998
15999 2009-06-16  Ian Lance Taylor  <iant@google.com>
16000
16001         * bitmap.c (bitmap_clear): Don't declare as inline.
16002         * gimple.c (gimplify_assign): Likewise.
16003         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
16004         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
16005         (sched_scan_info): Remove duplicate definition.
16006
16007 2009-06-16  Ian Lance Taylor  <iant@google.com>
16008
16009         * c-common.c (skip_evaluation): Don't define.
16010         (c_inhibit_evaluation_warnings): Define global variable.
16011         (overflow_warning): Check c_inhibit_evaluation_warnings rather
16012         than skip_evaluation.
16013         (convert_and_check, warn_for_div_by_zero): Likewise.
16014         * c-common.h (skip_evaluation): Don't declare.
16015         (c_inhibit_evaluation_warnings): Declare.
16016         * c-parser.c (c_parser_typeof_specifier): Set
16017         c_inhibit_evaluation_warnings rather than skip_evaluation.
16018         (c_parser_conditional_expression): Likewise.
16019         (c_parser_binary_expression): Likewise.
16020         (c_parser_sizeof_expression): Likewise.
16021         (c_parser_alignof_expression): Likewise.
16022         * c-typeck.c (build_indirect_ref): Check
16023         c_inhibit_evaluation_warnings rather than skip_evaluation.
16024         (build_conditional_expr, build_binary_op): Likewise.
16025
16026 2009-06-16  Richard Guenther  <rguenther@suse.de>
16027
16028         * tree-ssa-alias.c (is_escape_site): Remove.
16029         * tree-ssa-alias.h (enum escape_type): Remove.
16030         (is_escape_site): Likewise.
16031         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
16032         via casts and asms without deferring to is_escape_site.
16033
16034 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
16035
16036         PR middle-end/40446
16037         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
16038         use gen_lowpart if op0 has complex mode.
16039
16040 2009-06-16  Richard Guenther  <rguenther@suse.de>
16041
16042         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
16043         variables add them to ESCAPED.
16044         (find_func_aliases): Do not make all indirectly stored values escaped.
16045
16046 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
16047
16048         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
16049         make_decl_one_only.
16050
16051 2009-06-16  Martin Jambor  <mjambor@suse.cz>
16052
16053         PR tree-optimization/40432
16054         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
16055         check whether we need to force gimple register operand.
16056
16057 2009-06-16  Martin Jambor  <mjambor@suse.cz>
16058
16059         PR tree-optimization/40413
16060         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
16061         build_ref_for_offset.
16062         (propagate_subacesses_accross_link): Fix a typo in a comment.
16063
16064 2009-06-16  Ira Rosen  <irar@il.ibm.com>
16065
16066         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
16067         with additional parameter.
16068         * tree-vectorizer.h (enum vect_def_type): Add new value
16069         vect_nested_cycle.
16070         (enum vect_relevant): Add comments.
16071         (vect_is_simple_reduction): Add new argument.
16072         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
16073         Detect nested cycles.
16074         (vect_is_simple_reduction): Update documentation, add an argument to
16075         distinguish inner-loop reduction from nested cycle, detect nested
16076         cycles, fix printings and indentation, don't swap operands in case
16077         of nested cycle.
16078         (get_initial_def_for_reduction): Handle subtraction.
16079         (vect_create_epilog_for_reduction): Add new argument to specify
16080         reduction variable.
16081         (vect_finalize_reduction): Handle subtraction, fix comments.
16082         (vectorizable_reduction): Handle nested cycles. In case of nested
16083         cycle keep track of the reduction variable position. Call
16084         vect_is_simple_reduction with additional parameter. Use original
16085         statement code in reduction epilogue for nested cycle. Call
16086         vect_create_epilog_for_reduction with additional parameter.
16087         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
16088         inner-loop vectorization.
16089         (vect_recog_widen_sum_pattern): Likewise.
16090         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
16091         and reductions.
16092         (vect_mark_stmts_to_be_vectorized): Likewise.
16093         (vect_get_vec_def_for_operand): Handle nested cycles.
16094
16095 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16096
16097         * doc/invoke.texi (Debugging Options): Fix option index entries
16098         for -fdump-statistics, -frandom-seed add entries for
16099         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
16100         (FRV Options): Fix entries for -mTLS, -mtls.
16101         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
16102         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
16103         (M68hc1x Options): Fix @itemx for -mnominmax.
16104         (MCore Options): Fix entry for -mno-lsim.
16105         (MMIX Options): Fix entry for -mabi=mmixware.
16106         (PDP-11 Options): Fix entry for -mbcopy-builtin.
16107
16108 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
16109
16110         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
16111         Mention the plugin mode of gengtype.
16112         * doc/gty.texi (Source Files Containing Type Information): Likewise.
16113         * gengtype.c: Updated copyright.
16114         (plugin_files, nb_plugin_files) Added new static variables.
16115         (measure_input_list) Care about plugin_files.
16116         (write_rtx_next): Added early return in plugin mode.
16117         (create_file): Updated copyright year in generated file. Added
16118         asserts.
16119         (oprintf): Added early return if NULL outf.
16120         (get_output_file_with_visibility): Care of plugin_files.
16121         (get_output_file_name): May return null.
16122         (write_local): Added early return.
16123         (put_mangled_filename): Ditto.
16124         (finish_root_table): Added check for base_files.
16125         (write_roots): Care about null when plugins.
16126         (main): Added plugin mode.
16127
16128 2009-06-15  Ian Lance Taylor  <iant@google.com>
16129
16130         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
16131         * gcov.c (read_count_file): Add braces around variables declared
16132         before label.
16133
16134         * c.opt (Wjump-misses-init): New warning.
16135         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
16136         -Wall and -Wc++-compat if not already set.
16137         (c_common_post_options): Clear warn_jump_misses_init if it was not
16138         set.
16139         * c-decl.c (struct c_binding): Change type field to a union with
16140         new label field.  Make it the first field in the struct.  Update
16141         references to type to use u.type instead.
16142         (struct c_spot_bindings): Define.
16143         (struct c_goto_bindings): Define.
16144         (c_goto_bindings_p): Define, along with VECs.
16145         (struct c_label_vars): Define.
16146         (struct c_scope): Add has_label_bindings field.
16147         (bind_label, set_spot_bindings): New static functions.
16148         (decl_jump_unsafe, update_spot_bindings): New static functions.
16149         (update_label_decls): New static function.
16150         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
16151         Update binding u.label field to shadowed field.
16152         (c_binding_start_stmt_expr): New function.
16153         (c_binding_end_stmt_expr): New function.
16154         (pushdecl): Don't call c_begin_vm_scope.
16155         (make_label): Add defining and p_label_vars parameters.  Change
16156         all callers.
16157         (lookup_label): Correct test for whether a label has not yet been
16158         defined.  Call bind_label rather than bind.
16159         (warn_about_goto): New static function.
16160         (lookup_label_for_goto): New function.
16161         (declare_label): Call bind_label rather than bind.
16162         (check_earlier_gotos): New static function.
16163         (define_label): Don't give errors about jumping into statement
16164         expressions or scopes of variably modified types.  Call
16165         set_spot_bindings and check_earlier_gotos.  Call bind_label
16166         instead of bind.  Don't set label_context_stack_se or
16167         label_context_stack_vm.
16168         (c_get_switch_bindings): New function.
16169         (c_release_switch_bindings): New function.
16170         (c_check_switch_jump_warnings): New function.
16171         (start_function): Don't set label_context_stack_se or
16172         label_context_stack_vm.
16173         (finish_function): Likewise.
16174         * c-typeck.c (label_context_stack_se): Don't define.
16175         (label_context_stack_vm): Don't define.
16176         (c_finish_goto_label): Call lookup_label_for_goto rather than
16177         lookup_label.  Don't give errors about jumping into a statement
16178         expression or the scope of a variably modified type.  Don't set
16179         label_context_stack_se or label_context_stack_vm.
16180         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
16181         fields.  Add bindings field.
16182         (c_start_case): Don't set deleted fields.  Set bindings field.
16183         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
16184         or blocked_vm.  Call c_check_switch_jump_warnings.
16185         (c_finish_case): Don't test blocked_stmt_expr field.  Call
16186         c_release_switch_bindings.
16187         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
16188         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
16189         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
16190         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
16191         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
16192         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
16193         (c_begin_vm_scope, c_end_vm_scope): Don't define.
16194         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
16195         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
16196         (C_DECL_UNJUMPABLE_VM): Don't define.
16197         (C_DECL_UNDEFINABLE_VM): Don't define.
16198         (struct c_label_list): Don't define.
16199         (struct c_label_context_se): Don't define.
16200         (struct c_label_context_vm): Don't define.
16201         (struct c_spot_bindings): Declare.
16202         (c_bindings_start_stmt_expr): Declare.
16203         (c_bindings_end_stmt_expr): Declare.
16204         (lookup_label_for_goto): Declare.
16205         (c_get_switch_bindings, c_release_switch_bindings): Declare.
16206         (c_check_switch_jump_warnings): Declare.
16207         (label_context_stack_se, label_context_stack_vm): Don't declare.
16208         (c_finish_goto_label): Update declaration.
16209         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
16210         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
16211         (Warning Options): Document -Wjump-misses-init.
16212
16213 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
16214
16215         * tree-object-size.c (addr_object_size): Fix a pasto in the last
16216         change.
16217
16218 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
16219
16220         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
16221
16222 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
16223
16224         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
16225
16226 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
16227
16228         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
16229
16230 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
16231
16232         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
16233         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
16234         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
16235         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
16236         * dwarf2asm.c (dw2_force_const_mem): Update call to
16237         make_decl_one_only.
16238         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
16239         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
16240         * langhooks.c (lhd_comdat_group): Remove.
16241         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
16242         * tree.h (DECL_COMDAT_GROUP): New.
16243         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
16244         (tree_decl_with_vis): Add comdat_group. Remove one_only.
16245         (make_decl_one_only): Change signature.
16246         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
16247         make_decl_one_only.
16248         (make_decl_one_only): Change signature.
16249         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
16250
16251 2009-06-15  Richard Guenther  <rguenther@suse.de>
16252
16253         PR middle-end/40439
16254         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
16255
16256 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16257
16258         * tree-ssa-math-opts.c: Remove extra divide.
16259
16260 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16261
16262         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
16263
16264 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16265
16266         * passes.c: Add bswap pass.
16267         * tree-pass.h: Add pass_optimize_bswap declaration.
16268         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
16269         Include rtl.h, expr.h and optabs.h for optab_handler check.
16270         (struct symbolic_number, pass_optimize_bswap): New definition.
16271         (do_shift_rotate, verify_symbolic_number_p): New functions.
16272         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
16273         (gate_optimize_bswap): New function.
16274         * tree.c (widest_int_cst_value): New function.
16275         * tree.h (widest_int_cst_value): Prototype added.
16276
16277 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
16278
16279         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
16280         REG_EQUAL/REG_EQUIV notes.
16281
16282 2009-06-14  Richard Guenther  <rguenther@suse.de>
16283
16284         PR middle-end/40389
16285         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
16286         has its address taken if NRV was applied and it is addressable.
16287         * tree-ssa-structalias.c (get_constraint_for_address_of): New
16288         function split out from ...
16289         (get_constraint_for_1): ... here.
16290         (handle_rhs_call): Use it to mark the return slot escaped if
16291         it is addressable and NRV was applied.
16292
16293 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
16294
16295         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
16296         Change first argument type to location_t.
16297         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
16298         Do not set input_location.
16299         Use loc instead of input_location throughout.
16300
16301 2009-06-13  Richard Guenther  <rguenther@suse.de>
16302
16303         PR tree-optimization/40421
16304         * tree-predcom.c (should_unroll_loop_p): Remove.
16305         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
16306
16307 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
16308
16309         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16310         Add location argument.
16311
16312 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
16313
16314         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
16315         build_decl.
16316         * config/s390/s390.c (s390_build_builtin_va_list): Same.
16317         (s390_gimplify_va_arg): Pass location to create_artificial_label.
16318         * config/spu/spu-protos.h: Add location to
16319         spu_resolve_overloaded_builtin.
16320         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
16321         spu_build_builtin_va_list.
16322         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
16323         argument.  Pass location to build_function_call_vec.
16324         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
16325         build_decl.
16326         (emit_fpu_switch): Same.
16327         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
16328         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
16329         to build_decl and create_artificial_label.
16330         (xtensa_gimplify_va_arg_expr): Same.
16331         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
16332         (xstormy16_gimplify_va_arg_expr): Same.
16333         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
16334         * config/arm/arm.c (arm_build_builtin_va_list): Same.
16335         * config/mips/mips.c (mips_build_builtin_va_list): Same.
16336         (mips16_build_function_stub): Same.
16337         (mips16_build_call_stub): Same.
16338
16339 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
16340
16341         PR target/40327
16342         * arm/constraints.md (Pa, Pb): New constraints.
16343         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
16344         split pattern to deal with them.
16345
16346 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
16347
16348         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
16349         fix index entry for -Xpreprocessor.
16350
16351 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
16352
16353         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
16354         Add location argument to build_decl call.
16355         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
16356         (rs6000_init_builtins): Same.
16357         (spe_init_builtins): Same.
16358         (rs6000_gimplify_va_arg): Add location argument to
16359         create_artificial_label call.
16360
16361 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
16362
16363         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
16364         * combine-stack-adj.c (pass_stack_adjustments): Use it.
16365         * Makefile.in: Fix GGC dependency for gcse.o.
16366
16367 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
16368
16369         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
16370         * gimple-pretty-print.c (dump_gimple_stmt): Same.
16371         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
16372         created.
16373         * c-parser.c (c_parser_binary_expression): Use current column while
16374         building binary operations.
16375         * common.opt (fshow-column): Enable by default.
16376         * tree-vrp.c (check_array_ref): Use warning_at.
16377         (check_array_bounds): Use location from call back if expr has no
16378         location.
16379         * tree.h: Add location argument to maybe_fold_*.
16380         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
16381         (maybe_fold_offset_to_array_ref): Add location argument and use it.
16382         (maybe_fold_offset_to_component_ref): Same.
16383         (maybe_fold_offset_to_reference): Same.
16384         (maybe_fold_offset_to_address): Same.
16385         (maybe_fold_stmt_indirect): Same.
16386         (maybe_fold_stmt_addition): Same.
16387         (fold_stmt_r): Pass location to maybe_fold_*.
16388         (fold_gimple_assign): Same.
16389         * c-tree.h: Add location argument to finish_decl,
16390         default_function_array_conversion, store_init_value.
16391         * c-decl.c (define_label): Use error_at.
16392         (c_make_fname_decl): Pass location to finish_decl.
16393         (finish_decl): New location argument.
16394         (build_compound_literal): Pass location to store_init_value.
16395         (grokdeclarator): Pass location to finish_decl.
16396         (grokfield): Same.
16397         * c-typeck.c (array_to_pointer_conversion): New location argument.
16398         (function_to_pointer_conversion): Same.
16399         (default_function_array_conversion): Same.
16400         (parser_build_unary_op): Pass location to overflow_warning.
16401         (parser_build_binary_op): Same.  Use warning_at.
16402         (build_unary_op): Pass location to array_to_pointer_conversion.
16403         (build_c_cast): Pass location to digest_init.
16404         (build_modify_expr): New location argument.
16405         (convert_for_assignment): Same.
16406         (store_init_value): Same.
16407         (digest_init): Same.
16408         (output_init_element): Pass location to digest_init and
16409         array_to_pointer_conversion.
16410         (c_finish_return): Pass location to convert_for_assignment.
16411         * gimplify.c (gimplify_conversion): Pass location to
16412         maybe_fold_offset_to_address.
16413         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
16414         to maybe_fold_stmt_addition.
16415         * c-omp.c (c_finish_omp_atomic): Pass new location to
16416         build_modify_expr.
16417         (c_finish_omp_for): Same.
16418         * c-common.c (overflow_warning): New argument.
16419         * c-common.h: New argument to build_modify_expr, overflow_warning.
16420         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
16421         finish_decl.
16422         (c_parser_initializer): Pass location to
16423         default_function_array_conversion.
16424         (c_parser_initelt): Same.
16425         (c_parser_initval): Same.
16426         (c_parser_asm_operands): Same.
16427         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
16428         (c_parser_conditional_expression): Same.
16429         (c_parser_binary_expression): Add location info to stack.  Use it.
16430         (c_parser_unary_expression): Pass location to
16431         default_function_array_conversion, parser_build_unary_op,
16432         build_indirect_ref, c_parser_postfix_expression_after_primary.
16433         (c_parser_postfix_expression_after_primary): New location argument.
16434         Use it.
16435         (c_parser_expression_conv): Pass location to
16436         default_function_array_conversion.
16437         (c_parser_expr_list): Same.
16438         (c_parser_omp_atomic): Same.
16439         (c_parser_omp_for_loop): Same.
16440         * c-tree.h (struct c_declarator): Add comment to id_loc.
16441         (build_array_declarator): New argument.
16442         * c-decl.c (build_array_declarator): Add location argument.
16443         (grokdeclarator): Set id_loc for cdk_array.
16444         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
16445         build_array_declarator.
16446         * tree.c (build_omp_clause): Add location argument.
16447         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
16448         (OMP_CLAUSE_LOCATION): New macro.
16449         (struct tree_omp_clause): Add location field.
16450         (build_omp_clause): Add argument.
16451         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
16452         build_omp_clause.
16453         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
16454         (cp_parser_omp_clause_collapse): Same.
16455         (cp_parser_omp_clause_default): Same.
16456         (cp_parser_omp_clause_if): Same.
16457         (cp_parser_omp_clause_nowait): Same.
16458         (cp_parser_omp_clause_num_threads): Same.
16459         (cp_parser_omp_clause_ordered): Same.
16460         (cp_parser_omp_clause_schedule): Same.
16461         (cp_parser_omp_clause_untied): Same.
16462         (cp_parser_omp_for_loop): Same.
16463         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
16464         * c-tree.h (c_start_case): Add location argument.
16465         (c_process_expr_stmt): Same.
16466         (c_finish_goto_*): Same.
16467         * tree-parloops.c (initialize_reductions): Pass location to
16468         build_omp_clause.
16469         (create_parallel_loop): Same.
16470         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
16471         (gfc_trans_omp_reduction_list): Same.
16472         (gfc_trans_omp_clauses): Same.
16473         (gfc_trans_omp_do): Same.
16474         * c-typeck.c (c_finish_goto_label): Same.
16475         (c_finish_goto_ptr): New location argument.
16476         (c_start_case): Same.
16477         (emit_side_effect_warnings): Same.
16478         (c_process_expr_stmt): Same.
16479         (c_finish_stmt_expr): Same.
16480         (c_finish_omp_clauses): Use error_at instead of error.
16481         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
16482         build_omp_clause.
16483         * c-omp.c (c_split_parallel_clauses): New location argument.
16484         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
16485         to build_omp_clause.
16486         (convert_local_reference_stmt): Same.
16487         (convert_gimple_call): Same.
16488         * c-common.h (c_split_parallel_clauses): New argument.
16489         * c-parser.c (c_parser_statement_after_labels): Pass location to
16490         c_finish_goto_label.
16491         (c_parser_switch_statement): Pass location to c_start_case.
16492         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
16493         and c_process_expr_stmt.
16494         (c_parser_omp_variable_list): Add location argument.
16495         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
16496         (c_parser_omp_clause_default): Same.
16497         (c_parser_omp_clause_if): Same.
16498         (c_parser_omp_clause_num_threads): Same.
16499         (-c_parser_omp_clause_ordered): Same.
16500         (c_parser_omp_clause_reduction): Pass location to
16501         c_parser_omp_variable_list.
16502         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
16503         (c_parser_omp_clause_untied): Same.
16504         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
16505         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
16506
16507         * c-tree.h (check_for_loop_decls, undeclared_variable,
16508         build_component_ref, build_array_ref, build_external_ref,
16509         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
16510         build_conditional_expr, build_compound_expr, c_cast_expr,
16511         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
16512         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
16513         argument.
16514         * c-semantics.c (build_stmt): Same.
16515         (build_case_label): Same.
16516         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
16517         (undeclared_variable): New argument.
16518         (make_label): Same.
16519         (lookup_label): Pass location on down.
16520         (define_label): Same.
16521         (finish_decl): Same.
16522         (build_compound_literal): Same.
16523         (finish_struct): Same.
16524         (finish_function): Do not set location here.
16525         (check_for_loop_decls): New argument.
16526         * tree.c (save_expr): Set location.
16527         (build_empty_stmt): New argument.
16528         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
16529         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
16530         * builtins.c (gimplify_va_arg_expr): Use locations.
16531         (expand_builtin_sync_operation): Same.
16532         * c-typeck.c (build_component_ref): New argument.
16533         (build_array_ref): Same.
16534         (build_external_ref): Same.
16535         (c_expr_sizeof_expr): Same.
16536         (c_expr_sizeof_type): Same.
16537         (parser_build_unary_op): Same.
16538         (build_conditional_expr): Same.
16539         (build_compound_expr): Pass location on down.
16540         (build_compound_expr): New argument.
16541         (build_c_cast): Same.
16542         (c_cast_expr): Same.
16543         (build_asm_expr): Same.
16544         (c_finish_return): Same.
16545         (c_process_expr_stmt): Pass location on down.
16546         (c_finish_stmt_expr): New argument.
16547         (push_clenaup): Same.
16548         (c_finish_omp_parallel): Same.
16549         (c_finish_omp_task): Same.
16550         * gimplify.c (gimplify_call_expr): Pass location on down.
16551         * c-omp.c (c_finish_omp_master): New argument.
16552         (c_finish_omp_critical): Same.
16553         (c_finish_omp_ordered): Same.
16554         (c_finish_omp_barrier): Same.
16555         (-c_finish_omp_taskwait): Same.
16556         (c_finish_omp_atomic): Same.
16557         (c_finish_omp_flush): Same.
16558         * tree-inline.c (copy_tree_body_r): Pass location on down.
16559         (inline_forbidden_p): Remove use of input_location.
16560         * c-gimplify.c (c_build_bind_expr): New argument.
16561         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
16562         (c_sizeof_or_alignof_type): New argument.
16563         (c_alignof_expr): Same.
16564         (build_va_arg): Same.
16565         (c_add_case_label): Same.
16566         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
16567         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
16568         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
16569         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
16570         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
16571         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
16572         New argument.
16573         * stub-objc.c (objc_build_selector_expr): Same.
16574         (objc_build_throw_stmt): Same.
16575         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
16576         (c_parser_initelt): Same.
16577         (c_parser_compound_statement): Same.
16578         (c_parser_compound_statement_nostart): Same.
16579         (c_parser_label): Same.
16580         (c_parser_statement_after_labels): Same.
16581         (c_parser_if_body): Same.
16582         (c_parser_else_body): Same.
16583         (c_parser_if_statement): Same.
16584         (c_parser_switch_statement): Same.
16585         (c_parser_while_statement): Same.
16586         (c_parser_do_statement): Same.
16587         (c_parser_for_statement): Same.
16588         (c_parser_asm_statement): Same.
16589         (c_parser_conditional_expression): Same.
16590         (c_parser_binary_expression): Same.
16591         (c_parser_cast_expression): Same.
16592         (c_parser_unary_expression): Same.
16593         (c_parser_sizeof_expression): Same.
16594         (c_parser_alignof_expression): Same.
16595         (c_parser_postfix_expression): Same.
16596         (c_parser_expression): Same.
16597         (c_parser_objc_receiver): Same.
16598         (c_parser_omp_variable_list): Same.
16599         (c_parser_omp_structured_block): Same.
16600         (c_parser_omp_atomic): New argument.
16601         (c_parser_omp_barrier): Same.
16602         (c_parser_omp_critical): Same.
16603         (c_parser_omp_flush): Pass location on down.
16604         (c_parser_omp_for_loop): New argument.
16605         (c_parser_omp_for): Same.
16606         (c_parser_omp_master): Same.
16607         (c_parser_omp_ordered): Same.
16608         (c_parser_omp_sections_scope): Same.
16609         (c_parser_omp_sections): Same.
16610         (c_parser_omp_parallel): Same.
16611         (c_parser_omp_single): Same.
16612         (c_parser_omp_task): Same.
16613         (c_parser_omp_taskwait): Pass location on down.
16614         (c_parser_omp_construct): Same.
16615         (c_parser_omp_threadprivate): Same.
16616         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
16617         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
16618         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
16619         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
16620         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
16621         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
16622         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
16623         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
16624         config/i386/i386.c, stmt.c:
16625         Add location argument to the following function definitions and/or
16626         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
16627         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
16628         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
16629         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
16630         do_case, c_finish_bc_stmt, build_compound_literal,
16631         build_function_call.
16632         * c-decl.c (build_compound_literal): Add location argument.
16633         Make all diagnostic calls use location.
16634         (start_struct): Same.
16635         (finish_struct): Same.
16636         (start_enum): Same.
16637         (build_enumerator): Same.
16638         (start_function): Same.
16639         (grokdeclarator): Make all diagnostic calls use location.
16640         (store_parm_decls_oldstyle): Same.
16641         * c-typeck.c (build_function_call): Add location argument.
16642         Make all diagnostic calls use location.
16643         (do_case): Same.
16644         (c_finish_bc_stmt): Same.
16645         * tree-nested.c (get_trampoline_type): Add argument.
16646         Pass location to build_decl.
16647         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
16648         * rtl.h (RTL_LOCATION): New.
16649         * c-common.c (c_add_case_label): Add location argument.
16650         Make all diagnostic calls use location.
16651         * c-common.h: Add location argument to make_fname_decl, do_case,
16652         c_add_case_label, build_function_call, resolve_overloaded_builtin.
16653         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
16654         Set it appropriately for every case.  Pass enum_loc to start_enum
16655         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
16656         parser_xref_tag.
16657         (c_parser_struct_or_union_specifier): Save location.  Use it for
16658         start_struct, finish_struct, and parser_xref_tag.
16659
16660 2009-06-12  Ian Lance Taylor  <iant@google.com>
16661
16662         * fold-const.c (fold_unary): Rename local variable and to and_expr.
16663
16664         * c-opts.c (c_common_handle_option): For -Wc++-compat set
16665         cpp_opts->warn_cxx_operator_names.
16666
16667 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16668
16669         PR tree-opt/38865
16670         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
16671         is returns NULL and OP is a VCE, look through the VCE.
16672
16673 2009-06-12  Ian Lance Taylor  <iant@google.com>
16674
16675         PR bootstrap/40430
16676         * collect2.c (main): Use CONST_CAST2 in code inside #if
16677         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
16678
16679 2009-06-12  Joey Ye  <joey.ye@intel.com>
16680
16681         PR middle-end/39146
16682         * cfgexpand.c (get_decl_align_unit): Update
16683         max_used_stack_slot_alignment with align instead of
16684         stack_alignment_needed.
16685
16686         * function.c (assign_stack_local_1): Update
16687         max_used_stack_slot_alignment with alignment_in_bits instead
16688         of stack_alignment_needed.
16689         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
16690         here.
16691
16692 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
16693
16694         * dwarf2out.c (last_var_location_insn): New variable.
16695         (dwarf2out_end_epilogue): Clear last_var_location_insn.
16696         (dwarf2out_var_location): Don't record anything after last real
16697         insn.  Only change labels if there were any real instructions
16698         in between last note and this one, or if changed sections.
16699
16700 2009-06-11  Richard Henderson  <rth@redhat.com>
16701
16702         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
16703         note when storing the frame pointer in a register.
16704         (FRP): Don't redefine to nothing for epilogue.
16705         (alpha_expand_epilogue): Mark register and sp restores.
16706         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
16707
16708         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
16709         when gen_lowpart is needed.
16710
16711 2009-06-11  Richard Henderson  <rth@redhat.com>
16712
16713         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
16714
16715         * dwarf2out.c (need_data_align_sf_opcode): New.
16716         (div_data_align): Move earlier.
16717         (def_cfa_1, reg_save): Use it.
16718
16719 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
16720
16721         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
16722         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
16723         (ix86_handle_option): Handle OPT_mcrc32.
16724         (ix86_target_string): Add -mcrc32.
16725         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
16726
16727         * config/i386/i386.h (TARGET_CRC32): New.
16728
16729         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
16730         (sse4_2_crc32di): Likewise.
16731
16732         * config/i386/i386.opt (mcrc32): New.
16733
16734         * doc/invoke.texi: Document -mcrc32.
16735
16736 2009-06-11  Richard Henderson  <rth@redhat.com>
16737
16738         * common.opt (gdwarf-): Accept a version number.
16739         * doc/invoke.texi (gdwarf-): Update docs.
16740         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
16741         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
16742         version level, and record it.
16743
16744         * dwarf2.h (DW_CIE_VERSION): Remove.
16745         * dwarf2out.c (DWARF_VERSION): Remove.
16746         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
16747         (output_call_frame_info): Use CIE version 3 for dwarf3,
16748         or if the return register column is out of range for version 1.
16749         (dwarf_stack_op_name): Add all dwarf3 values.
16750         (DEBUG_PUBTYPES_SECTION): New.
16751         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
16752         encoding change for dwarf3.
16753         (output_die) [dw_val_class_die_ref]: Likewise.
16754         (output_compilation_unit_header): Emit correct version for dwarf3.
16755         (output_line_info): Likewise.
16756         (output_pubnames): Update for DWARF_VERSION removal.
16757         (output_aranges): Likewise.
16758         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
16759         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
16760         (dwarf2out_finish): Likewise.
16761
16762 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
16763
16764         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
16765         in r148403.
16766
16767 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
16768
16769         PR c/39252
16770         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
16771         * builtins.c (expand_builtin_unreachable): New function.
16772         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
16773         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
16774         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
16775         successors.
16776         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
16777         searching for missing barriers.
16778
16779 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
16780
16781         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
16782         when -fprofile-generate* was passed.
16783         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
16784
16785 2009-06-11  Anthony Green  <green@moxielogic.com>
16786
16787         * config/moxie/moxie.md: Define length attribute for all instructions.
16788         (rCC): Define.
16789         (*b<cond:code>): Support limited branch ranges for new PC-relative
16790         branch instructions.
16791         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
16792
16793 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
16794
16795         * config/i386/i386.c (min_insn_size): Use get_attr_length
16796         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
16797         For __asm return 0.
16798
16799         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
16800         instead of emit_insn_before.
16801
16802 2009-06-10  Ian Lance Taylor  <iant@google.com>
16803
16804         PR bootstrap/40408
16805         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
16806         GIMPLE_SWITCH.
16807
16808 2009-06-10  Revital Eres  <eres@il.ibm.com>
16809
16810         * passes.c (init_optimization_passes): Reschedule
16811         predictive-commoning pass before complete unroll pass.
16812
16813 2009-06-10  Martin Jambor  <mjambor@suse.cz>
16814
16815         * cgraph.c (cgraph_node_can_be_local_p): New function.
16816         (cgraph_make_node_local): New function.
16817         * cgraph.h (cgraph_node_can_be_local_p): Declare.
16818         (cgraph_make_node_local): Declare.
16819
16820 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
16821
16822         * tree.h (tree_base): Add packed_flag and user_align fields.
16823         Decrease size of spare field.
16824         (TYPE_USER_ALIGN): Use user_align from tree_base.
16825         (DECL_USER_ALIGN): Likewise.
16826         (TYPE_PACKED): Use packed_flag from tree_base.
16827         (DECL_PACKED): Likewise.
16828         (tree_type): Delete packed_flag and user_align fields.  Widen
16829         precision field.  Widen mode field and shuffle fields to align
16830         mode on an 8-bit boundary.
16831         (tree_decl_common): Delete decl_flag_1 and user_align fields.
16832         Renumber decl_flag_* fields.  Fix comments.  Widen
16833         decl_common_unused field.
16834         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
16835         (DECL_EXTERNAL): Likewise.
16836         (DECL_BIT_FIELD): Likewise.
16837         (DECL_NONADDRESSABLE_P): Likewise.
16838         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
16839         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
16840
16841 2009-06-10  Ian Lance Taylor  <iant@google.com>
16842
16843         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
16844         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
16845         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
16846         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
16847         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
16848         DEF_VEC_ALLOC_FUNC_P.
16849         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
16850         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
16851         DEF_VEC_ALLOC_FUNC_O.
16852         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
16853         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
16854         DEF_VEC_ALLOC_FUNC_I.
16855         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
16856         (vec_stack_p_reserve_exact_1): Declare.
16857         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
16858         (vec_stack_free): Declare.
16859         (VEC_stack_alloc): Define.
16860         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
16861         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
16862         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
16863         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
16864         for void_p.
16865         (stack_vecs): New static variable.
16866         (vec_stack_p_reserve_exact_1): New function.
16867         (vec_stack_o_reserve_1): New static function.
16868         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
16869         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
16870         (vec_stack_free): New function.
16871         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
16872         (VEC_df_ref_stack_alloc): Define.
16873         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
16874         DEF_VEC_ALLOC_P_STACK.
16875         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
16876         (struct df_collection_rec): Change _vec fields to VEC.  Remove
16877         _use fields.
16878         (df_free_collection_rec): Adjust for new fields.
16879         (df_insn_rescan): Use new df_collection_rec fields.
16880         (df_notes_rescan, df_canonize_collection_rec): Likewise.
16881         (df_ref_create_structure, df_ref_record): Likewise.
16882         (df_get_conditional_uses, df_get_call_refs): Likewise.
16883         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
16884         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
16885         (df_record_exit_block_uses, df_bb_verify): Likewise.
16886         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
16887         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
16888         Remove count parameter.  Change return type to void.  Change all
16889         callers.
16890         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
16891         Remove count parameter.  Change return type to void.  Change all
16892         callers.
16893         (df_install_refs): Change old_vec parameter to VEC.  Remove count
16894         parameter.  Change all callers.
16895         (df_install_mws): Change old_vec parameter to VEC.  Remove count
16896         parameter.  Change all callers.
16897         (df_refs_verify): Change new_rec parameter to VEC.  Change call
16898         callers.
16899         (df_mws_verify): Likewise.
16900
16901 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
16902
16903         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
16904
16905 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
16906
16907         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
16908
16909 2009-06-10  Anthony Green  <green@moxielogic.com>
16910
16911         * config/moxie/crti.asm: New file.
16912         * config/moxie/crtn.asm: New file.
16913         * config/moxie/moxie.c: New file.
16914         * config/moxie/moxie.h: New file.
16915         * config/moxie/sfp-machine.h: New file.
16916         * config/moxie/moxie-protos.h: New file.
16917         * config/moxie/t-moxie: Created.
16918         * config/moxie/t-moxie-softfp: Created.
16919         * config/moxie/moxie.md: Created.
16920         * config/moxie/constraints.md: Created.
16921         * config.gcc: Add moxie support.
16922         * doc/md.texi (Machine Constraints): Add moxie constraints.
16923         * doc/contrib.texi (Contributors): Mention moxie port.
16924         * doc/install.texi (Specific): Mention the moxie port.
16925
16926 2009-06-09  Ian Lance Taylor  <iant@google.com>
16927
16928         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
16929         compiling with C++.
16930         * optabs.c (optab_table): Only use designated initializers if
16931         HAVE_DESIGNATED_INITIALIZERS is defined.
16932         (convert_optab_table): Likewise.
16933         (init_optabs): Always call init_insn_codes if
16934         HAVE_DESIGNATED_INITIALIZERS is not defined.
16935
16936 2009-06-09  Ian Lance Taylor  <iant@google.com>
16937
16938         * targhooks.c (default_builtin_vectorized_function): Change fn
16939         parameter to unsigned int.
16940         (default_builtin_vectorized_conversion): Change code parameter to
16941         unsigned int.
16942         (default_builtin_reciprocal): Change fn parameter to unsigned int.
16943         * targhooks.h: Update declarations.
16944         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
16945         parameter to unsigned int.
16946
16947         * c-typeck.c (comptypes_check_enum_int): New static function.
16948         (comptypes_internal): Add enum_and_int_p parameter.  Change all
16949         callers.
16950         (comp_target_types): Add location parameter.  Change all callers.
16951         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
16952         Change all callers.
16953         (function_types_compatible_p, type_lists_compatible_p): Likewise.
16954         (build_conditional_expr): Add colon_loc parameter.  Change all
16955         callers.
16956         (convert_for_assignment): Add location parameter.  Change all callers.
16957         * c-parser.c (c_parser_conditional_expression): Pass location of
16958         colon to build_conditional_expr.
16959         * c-tree.h (build_conditional_expr): Update declaration.
16960
16961 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
16962
16963         * graphite.c: Revert previous patch.
16964
16965 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
16966
16967         PR bootstrap/40103
16968         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
16969
16970 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
16971
16972         * tree-ssa-loop-prefetch.c
16973         (loop_prefetch_arrays): Fixed a portability problem in printf format
16974         string.
16975
16976 2009-06-09  Martin Jambor  <mjambor@suse.cz>
16977
16978         PR tree-optimization/40351
16979         * tree-sra.c (propagate_subacesses_accross_link): Check that a
16980         refrence to a potential artifical subaccess can be constructed.
16981
16982 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
16983
16984         * config/sh/sh-protos.h (sh_optimization_options): Declare.
16985         (sh_override_options): Likewise.
16986         * config/sh/sh.c: Include params.h.
16987         (sh_optimization_options): New.
16988         (sh_override_options): Likewise.
16989         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
16990         (OVERRIDE_OPTIONS): Use sh_override_options.
16991
16992 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
16993
16994         * dwarf2out.c (emit_cfa_remember): New variable.
16995         (add_fde_cfi): If emit_cfa_remember, recurse to add
16996         DW_CFA_remember_state first.
16997         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
16998         instead just set emit_cfa_remember.
16999
17000 2009-06-08  Jan Hubicka  <jh@suse.cz>
17001
17002         PR debug/40126
17003         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
17004
17005 2009-06-08  Jan Hubicka  <jh@suse.cz>
17006
17007         PR middle-end/39834
17008         * cgraphunit.c (save_inline_function_body): Do not copy transform
17009         hooks for saved inline bodies.
17010         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
17011         for given function.
17012
17013 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
17014
17015         * jump.c (returnjump_p): Handle delayed branches.  Add missing
17016         function comment.
17017
17018 2009-06-08  Jan Hubicka  <jh@suse.cz>
17019
17020         PR middle-end/40102
17021         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
17022         original node might've been modified.
17023         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
17024
17025 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
17026
17027         * tree-object-size.c (addr_object_size): Add OSI argument.
17028         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
17029         (compute_builtin_object_size, expr_object_size): Adjust callers.
17030         (plus_stmt_object_size): Call addr_object_size instead of
17031         compute_builtin_object_size.
17032
17033 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
17034             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
17035
17036         * tree-ssa-loop-prefetch.c
17037         (gather_memory_references): Introduced a counter for the number of
17038         memory references.
17039         (anything_to_prefetch_p): Introduced a counter for the number of
17040         prefetches.
17041         (is_loop_prefetching_profitable): New function with a cost model
17042         for prefetching.
17043         (loop_prefetch_arrays): Use the new cost model to determine if
17044         prefetching is profitable.
17045         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
17046         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
17047         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
17048         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
17049         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
17050         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
17051
17052 2009-06-08  Michael Matz  <matz@suse.de>
17053
17054         PR debug/40012
17055         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
17056         partitions use the same.
17057         (expand_one_var): Deal with DECL_RTL sometimes begin set also
17058         for basevars of SSA_NAMEs.
17059         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
17060         to not expand them twice.
17061         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
17062         multiple places.
17063
17064 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
17065
17066         * common.opt (fcompare-debug=, fcompare-debug-second): New.
17067         (fdump-final-insns=, gtoggle): New.
17068         * doc/invoke.texi: Document them.
17069         * final.c (rest_of_clean_state): Dump final insn stream.
17070         * gcc.c (invoke_as): Hook in -fcompare-debug.
17071         (static_spec_functions): Add compare-debug-dump-opt,
17072         compare-debug-self-opt and compare-debug-auxbase-opt.
17073         (compare_debug, compare_debug_second, compare_debug_opt): New.
17074         (switches_debug_check, n_switches_debug_check): New.
17075         (debug_auxbase_opt, debug_check_temp_file): New.
17076         (process_command): Handle -fno-compare-debug, -fcompare-debug and
17077         -fcompare-debug=*.
17078         (do_self_spec): Handle arguments after switches.
17079         (do_spec_1): Add .gk extension to temp file basenames for compare.
17080         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
17081         (cc1_options): Use it instead of normal auxbase computation for
17082         the second compare-debug compilation.
17083         (compare_files): New.
17084         (main): Set up and implement compare debug mode.
17085         (compare_debug_dump_opt_spec_function): New.
17086         (compare_debug_self_opt_spec_function): New.
17087         (compare_debug_auxbase_opt_spec_function): New.
17088         * toplev.c (process_options): Handle flag_gtoggle,
17089         flag_dump_final_insns.
17090         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
17091         during -fcompare-debug-second compilation.
17092
17093 2009-06-07  Ian Lance Taylor  <iant@google.com>
17094
17095         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
17096         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
17097
17098         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
17099         with no default node.  Change warning with %H to warning_at.
17100         Don't clear warn_switch around case checking.
17101         * doc/invoke.texi (Warning Options): Clarify distinction between
17102         -Wswitch and -Wswitch-enum.
17103
17104 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17105
17106         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
17107
17108 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17109
17110         * gbl-ctors.h: Add header guard.
17111
17112 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17113
17114         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
17115         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
17116         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
17117         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
17118         prototypes for removed functions.
17119         (expressions_equal_p): Move to ...
17120         * tree-ssa-sccvn.h: ... here and ...
17121         * matrix-reorg.c: ... adjust includes.
17122
17123 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17124
17125         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
17126
17127 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17128
17129         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
17130         (finish_function): Remove erroneous whitespace.
17131
17132 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17133
17134         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
17135         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
17136
17137 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17138
17139         * errors.c (internal_error): Commentary typo fix.
17140         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
17141         * tree-ssa-pre.c: Ditto.
17142
17143 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
17144
17145         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
17146         them is supposed to hold actual statements.
17147
17148 2009-06-06  Ian Lance Taylor  <iant@google.com>
17149
17150         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
17151         empty statements can now have attributes.
17152
17153 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
17154
17155         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
17156         * config/mips/mips.md: Ditto.
17157
17158 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
17159
17160         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
17161         _RELOCATABLE.
17162         (__eabi_uconvert): Likewise.
17163
17164 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
17165
17166         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
17167         CFI_* definitions with IN_GCC.
17168
17169 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
17170
17171         * xcoffout.h (xcoffout_source_line): Update prototype.
17172
17173 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17174
17175         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
17176         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
17177
17178 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
17179
17180         PR middle-end/40340
17181         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
17182         inlined_function_outer_scope_p blocks for artificial inlines
17183         even at -g0/-g1.
17184         * tree.c (tree_nonartificial_location): Rewrite using
17185         block_nonartificial_location.
17186
17187 2009-06-05  Revital Eres  <eres@il.ibm.com>
17188             Leehod Baruch  <leehod@il.ibm.com>
17189
17190         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
17191         (expand_expr_real_1): Remove comment.
17192         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
17193         Vectorize misaligned access when the target supports it.
17194         (vect_supportable_dr_alignment): Check for unaligned access support.
17195         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
17196         and remove asset.
17197
17198 2009-06-05  Julian Brown  <julian@codesourcery.com>
17199
17200         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
17201         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
17202
17203 2009-06-05  Richard Guenther  <rguenther@suse.de>
17204
17205         PR bootstrap/40350
17206         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
17207         as possibly unused.
17208
17209 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
17210
17211         * config/s390/s390.c (global_not_special_regno_p): New static inline.
17212         (save_gprs): Don't tell unwinder when a global register is saved.
17213         (s390_emit_epilogue): Emit needed epilogue unwind info.
17214
17215 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
17216
17217         * dwarf2out.c (deferred_asm_name): New.
17218         (add_name_and_src_coords_attributes): Defer creation of
17219         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
17220         computed yet.
17221         (move_linkage_attr): New.
17222         (dwarf2out_finish): Revisit deferrals and emit attributes at the
17223         right place.
17224
17225 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
17226
17227         * tree-nested.c (finalize_nesting_tree_1): Declare the
17228         frame_decl in the binding tree.
17229
17230 2009-06-04  Cary Coutant  <ccoutant@google.com>
17231
17232         * basic-block.h (struct basic_block_def): Add discriminator field.
17233         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
17234         callers.
17235         * debug.c (do_nothing_debug_hooks): Add additional entry.
17236         (debug_nothing_int_charstar_int): New function.
17237         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
17238         (debug_nothing_int_charstar_int): New declaration.
17239         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
17240         discriminator value in .loc directive.
17241         * final.c (last_discriminator): New variable.
17242         (discriminator): New variable.
17243         (final_start_function): Initialize above variables, pass current
17244         discriminator to debug hook.
17245         (notice_source_line): Check for discriminator change.
17246         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
17247         * sdbout.c (sdbout_source_line): New parameter.
17248         * tree-cfg.c (struct locus_discrim_map): New structure type.
17249         (discriminator_per_locus): New hash table.
17250         (build_gimple_cfg): Allocate and free discriminator hash table.
17251         (make_edges): Call assign_discriminator.
17252         (locus_map_hash): New function.
17253         (locus_map_eq): New function.
17254         (next_discriminator_for_locus): New function.
17255         (same_line_p): New function.
17256         (assign_discriminator): New function.
17257         (make_cond_expr_edges): Call assign_discriminator.
17258         (make_gimple_switch_edges): Likewise.
17259         (first_non_label_stmt): New function.
17260         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
17261         all callers.
17262         * xcoffout.c (xcoffout_source_line): Add new parameter.
17263
17264         * configure.ac (gcc_cv_as_discriminator): New configury check for
17265         gas support for discriminator.
17266         * configure: Regenerate.
17267         * config.in: Regenerate.
17268
17269 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17270
17271         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
17272         val after checking for integers.
17273
17274 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
17275
17276         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
17277         X64_REGPARM_MAX.
17278         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
17279         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
17280         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
17281         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
17282         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
17283         X64_SSE_REGPARM_MAX.
17284         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
17285         X64_SSE_REGPARM_MAX.
17286
17287 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
17288
17289         * gcc.c (report_times_to_file): New.
17290         (execute): Implement it.
17291         (process_command): Support -time=.
17292         * doc/invoke.texi: Document it.
17293
17294 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
17295
17296         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
17297         that have value exprs.
17298
17299 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
17300
17301         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
17302         declarations for constants until...
17303         (dw2_output_indirect_constant_1): ... this point.
17304
17305 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
17306
17307         PR target/10242
17308         * arm.md (arm_addsi3): Don't try to split an add with an
17309         eliminable register until after reload has completed.
17310
17311 2009-06-03  Ian Lance Taylor  <iant@google.com>
17312
17313         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
17314         * genattrtab.c (write_length_unit_log): Likewise.
17315         * genchecksum.c (dosum): Likewise.
17316         * gengtype.c (write_rtx_next): Likewise.
17317         (finish_root_table, write_roots): Likewise.
17318         * gimple.c (gimple_ops_offset_): Likewise.
17319         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
17320         * config/arc/arc.c (arc_attribute_table): Likewise.
17321         * config/arm/arm.c (arm_attribute_table): Likewise.
17322         * config/avr/avr.c (avr_attribute_table): Likewise.
17323         * config/crx/crx.c (crx_attribute_table): Likewise.
17324         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
17325         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
17326         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
17327         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
17328         * config/sh/sh.c (sh_attribute_table): Likewise.
17329         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
17330         * config/spu/spu.c (spu_attribute_table): Likewise.
17331         * config/v850/v850.c (v850_attribute_table): Likewise.
17332
17333         * config/alpha/alpha.c (vms_attribute_table): Make static.
17334         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
17335         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
17336         * config/mips/mips.c (mips_attribute_table): Likewise.
17337
17338         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
17339         $(SYSTEM_H).
17340         (cc1-checksum.o): Likewise.
17341
17342 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
17343
17344         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
17345
17346 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
17347
17348         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
17349         insn if it is changing sp.  Use gen_add3_insn instead of
17350         conditionally gen_addsi3 and gen_adddi3.
17351         (offset_below_red_zone_p): New static inline function.
17352         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
17353         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
17354         * config/rs6000/ppc-asm.h: Include auto-host.h.
17355         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
17356         CFI_RESTORE): Define.
17357         * config/rs6000/crtresxgpr.asm: Add unwind info.
17358         * config/rs6000/crtresxfpr.asm: Likewise.
17359         * config/rs6000/crtresgpr.asm: Likewise.
17360         * config/rs6000/crtresfpr.asm: Likewise.
17361         * config/rs6000/crtsavgpr.asm: Likewise.
17362         * config/rs6000/crtsavfpr.asm: Likewise.
17363
17364         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
17365         argument of DWARF2_FRAME_REG_OUT macros.
17366
17367 2009-06-03  Julian Brown  <julian@codesourcery.com>
17368
17369         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
17370         words or less (including TImode) in core registers.
17371
17372 2009-06-03  Richard Guenther  <rguenther@suse.de>
17373
17374         PR middle-end/40328
17375         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
17376
17377 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
17378
17379         * statistics.c (statistics_counter_event): Do not record event
17380         in pass dump if its number == -1.
17381         (curr_statistics_hash): Add assert that we never get passes
17382         with static number == -1.
17383
17384 2009-06-03  Richard Guenther  <rguenther@suse.de>
17385             Andrey Belevantsev  <abel@ispras.ru>
17386
17387         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
17388         non-BLKmode arrays addressable.
17389
17390 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
17391
17392         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
17393         * config/m68k/m68k.h: ... here.
17394
17395 2009-06-03  Martin Jambor  <mjambor@suse.cz>
17396
17397         PR tree-optimization/40323
17398         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
17399         assignment.
17400
17401 2009-06-03  Richard Guenther  <rguenther@suse.de>
17402
17403         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
17404         consistently.
17405
17406 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
17407
17408         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
17409         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
17410         JUMP_TABLE_DATA_P where applicable.
17411         * config/sh/sh.c: Ditto.
17412         * config/sh/sh.h: Ditto.
17413         * config/sh/sh.md: Ditto.
17414         * config/sh/symbian.c: Ditto.
17415
17416 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
17417
17418         * config/i386/driver-i386.c (describe_cache): Optimize
17419         concatenation of strings.  Use snprintf instead of sprintf.
17420         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
17421         target when not compiling with GCC.
17422
17423 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
17424
17425         * config/sh/sh.c: Revert last change.
17426         (sh_expand_epilogue): Emit a blockage insn before the frame
17427         pointer adjustment unconditionally.
17428
17429 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17430
17431         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
17432         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
17433         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
17434         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
17435         to COLLECT_GCC_OPTIONS.
17436
17437 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17438
17439         * collect2.c (target_system_root): New variable.
17440         (main): Handle --sysroot=.
17441         (ignore_library): Strip the sysroot from the library path.
17442
17443 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17444
17445         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
17446         (collect2.o): Depend on collect2-aix.h.
17447         (collect2-aix.o): New rule.
17448         * collect2-aix.h: New file.
17449         * collect2-aix.c: Likewise.
17450         * collect2.c: Include collect2-aix.h.  Don't undefine
17451         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
17452         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
17453         Use TARGET_AIX_VERSION instead of _AIX51.
17454         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
17455         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
17456         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
17457         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
17458         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
17459
17460 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17461
17462         * collect2.c (ignore_library): Avoid premature post-increment
17463         and null deference.
17464
17465 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
17466
17467         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
17468         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
17469         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
17470         CROSS_DIRECTORY_STRUCTURE too.
17471         (LINK_LIBG_SPEC): Likewise.
17472         (LIB_SPEC): Add %R to sysroot paths.
17473         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
17474         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
17475         * config/rs6000/aix51.h: As for aix43.h.
17476         * config/rs6000/aix52.h: Likewise.
17477         * config/rs6000/aix53.h: Likewise.
17478         * config/rs6000/aix61.h: Likewise.
17479         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
17480         to the beginning of sysroot paths.
17481
17482 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17483
17484         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
17485         INSN_LISTs that are out of the REG_NOTE range.
17486
17487 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17488
17489         * loop-unroll.c (struct iv_to_split): Add pointer to next.
17490         (struct var_to_expand): Likewise.
17491         (struct opt_info): Add head and tail for linked lists of the above.
17492         (analyze_insn_to_expand_var): Initialize next.
17493         (analyze_iv_to_split_insn): Likewise.
17494         (analyze_insns_in_loop): Create linked lists.
17495         (allocate_basic_variable): Simplify for use without hash table.
17496         (insert_var_expansion_initialization): Likewise, make it type-safer.
17497         (combine_var_copies_in_loop_exit): Likewise.
17498         (apply_opt_in_copies): Walk lists rather than hash tables.
17499         (release_var_copies): Simplified and inlined by hand into...
17500         (free_opt_info): ... this function.
17501
17502 2009-06-02  Richard Guenther  <rguenther@suse.de>
17503
17504         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
17505         for field decls.
17506
17507 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17508
17509         * cfgexpand.c (gimple_expand_cfg): Discard the source location
17510         only for builtins that are not overridden.
17511
17512 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17513
17514         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
17515         label string.
17516
17517 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17518
17519         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
17520
17521 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17522
17523         * combine.c (move_deaths): Compare LUIDs within the same BB only.
17524
17525 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
17526
17527         * common.opt (fdump-unnumbered-links): New.
17528         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
17529         * print-rtl.c (flag_dump_unnumbered_links): New.
17530         (print_rtx): Test it.
17531
17532 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
17533
17534         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
17535         push/pop multiple to 8-byte alignment.
17536
17537 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
17538
17539         * config/i386/i386.c (queued_cfa_restores): New static variable.
17540         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
17541         functions.
17542         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
17543         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
17544         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
17545         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
17546         note unconditionally.
17547         (ix86_emit_restore_regs_using_mov): Likewise.
17548         (ix86_emit_restore_sse_regs_using_mov): Likewise.
17549         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
17550         it through to ix86_emit_restore_reg_using_pop.
17551         (ix86_emit_leave): Add RED_OFFSET argument.  Call
17552         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
17553         instead of adding REG_CFA_OFFSET note unconditionally.
17554         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
17555         the above functions.  Call ix86_add_queued_cfa_restore_notes when
17556         needed.
17557
17558         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
17559         force output of the label even for dwarf2out_do_cfi_asm.
17560         (add_fde_cfi): If -g2 and above and cfi might change CFA,
17561         force creation of CFI label and chain DW_CFA_set_loc jumping to it
17562         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
17563         caller.
17564         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
17565         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
17566         dwarf2out_cfi_label callers.
17567         * tree.h (dwarf2out_cfi_label): Adjust prototype.
17568         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
17569         Adjust dwarf2out_cfi_label callers.
17570         * config/vax/vax.c (vax_output_function_prologue): Likewise.
17571
17572         * config/i386/i386.h (struct machine_cfa_state,
17573         struct machine_function): Guard with ifndef USED_FOR_TARGET
17574         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
17575
17576         PR other/40024
17577         * emutls.c (__emutls_get_address): Change arr->size to mean number
17578         of allocated arr->data entries instead of # of slots + 1.
17579
17580         PR middle-end/40316
17581         * recog.c (peep2_reinit_state): New function.
17582         (peephole2_init_state): Use it at the end of a basic block and also
17583         when seeing a RTX_FRAME_RELATED_P insn.
17584
17585 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
17586
17587         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
17588         fixuns_truncrfdi2): New.
17589         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
17590         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
17591         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
17592         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
17593         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
17594         *recip_approx): Remove.
17595         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
17596         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
17597         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
17598         move to div.md.
17599         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
17600         setf_exp_rf): New.
17601
17602 2009-06-01  Ian Lance Taylor  <iant@google.com>
17603
17604         * attribs.c (register_attribute): Use CONST_CAST.
17605         * collect2.c (main): Use CONST_CAST2.
17606         (scan_prog_file): Likewise.
17607         * gcc.c (process_command, main): Likewise.
17608         * toplev.c (toplev_main): Likewise.
17609
17610         * c-typeck.c (handle_warn_cast_qual): New static function,
17611         partially broken out of build_c_cast.
17612         (build_c_cast): Call handle_warn_cast_qual.
17613         * doc/invoke.texi (Warning Options): Document new effect of
17614         -Wcast-qual.
17615
17616 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
17617
17618         * diagnostic.c (diagnostic_build_prefix): Always print columns.
17619         (diagnostic_report_current_module): Print columns.
17620         * common.opt (flag_show_column): Enable by default.
17621
17622 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
17623
17624         * alias.c (find_base_term): Check for NULL term before returning.
17625
17626 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
17627
17628         Revert due to PR40320:
17629         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
17630         * calls.c (emit_library_call_value_1): Don't force_operand for move
17631         and push insns.
17632
17633 2009-06-01  Olivier Hainque  <hainque@adacore.com>
17634             Eric Botcazou  <ebotcazou@adacore.com>
17635
17636         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
17637         to be processed as a bitfield for constructor output purposes.
17638         * output.h (initializer_constant_valid_for_bitfield_p): Declare
17639         new function.
17640         * varasm.c (oc_local_state): New type, output_constructor
17641         local state to support communication with helpers.
17642         (oc_outer_state): New type, output_constructor outer state of
17643         relevance in recursive calls.
17644         (output_constructor_array_range): New output_constructor helper,
17645         extracted code for an array range element.
17646         (output_constructor_regular_field): New output_constructor helper,
17647         extracted code for an element that is not a bitfield.
17648         (output_constructor_bitfield): New output_constructor helper,
17649         extracted code for a bitfield element.  Accept an OUTER state
17650         argument for recursive processing.  Recurse on record or array
17651         CONSTRUCTOR values, possibly past noop conversions.
17652         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
17653         VALUE is a valid constant-valued expression for use in a static
17654         bit-field initializer.
17655         (output_constructor): Rework to use helpers.  Accept and honor an
17656         OUTER state argument for recursive calls.  Return total size.  Be
17657         prepared for nested constructors initializing bitfields.
17658         (output_constant): Feed OUTER in calls to output_constructor.
17659
17660 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
17661
17662         * calls.c (emit_library_call_value_1): Don't force_operand for move
17663         and push insns.
17664
17665 2009-06-01  Nick Clifton  <nickc@redhat.com>
17666
17667         * doc/invoke.texi (IA-64 Options): Fix typo.
17668
17669 2009-06-01  Ira Rosen  <irar@il.ibm.com>
17670
17671         PR tree-optimization/39129
17672         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
17673         printed message.
17674         (vect_do_peeling_for_loop_bound): Use
17675         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
17676         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
17677         (vect_loop_versioning): Likewise.
17678         (vect_create_cond_for_alias_checks): Fix indentation.
17679         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
17680         macros.
17681         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
17682         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
17683         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
17684         "control flow in loop".
17685         (vect_estimate_min_profitable_iters): Use
17686         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
17687         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
17688         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
17689         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
17690         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
17691         statement belongs to a group of strided accesses with the exact code
17692         check.
17693         (vectorizable_load): Likewise.
17694         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
17695         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
17696
17697 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
17698
17699         * config/freebsd-stdint.h: New file.
17700         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
17701         Add freebsd-stdint.h to tm_file.
17702
17703 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
17704
17705         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
17706         (thumb2_extendhidi2): Likewise.
17707
17708 2009-05-31  Ian Lance Taylor  <iant@google.com>
17709
17710         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
17711
17712 2009-05-31  Ian Lance Taylor  <iant@google.com>
17713
17714         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
17715         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
17716         (ipa-reference.o): Depend upon gt-ipa-reference.h.
17717
17718 2009-05-31  Jason Merrill  <jason@redhat.com>
17719
17720         * tree-pretty-print.c (print_call_name): Take the callee, not the
17721         call itself.  Make non-static.  Use dump_function_name for functions.
17722         (dump_generic_node): Adjust.
17723         * diagnostic.h: Declare print_call_name.
17724         * gimple-pretty-print.c (dump_gimple_call): Use it.
17725
17726 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
17727
17728         * config/sh/sh.md (ashldi3_std): New define_expand.
17729         (ashldi3): Use it.
17730
17731 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
17732
17733         PR target/40313
17734         * config/sh/sh.c: Include debug.h.
17735         (sh_expand_epilogue): Emit a blockage insn before the frame
17736         pointer adjustment also when dwarf2out_do_frame returns true.
17737
17738 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
17739
17740         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
17741         (thumb2_extendqidi2): New pattern.
17742
17743 2009-05-31  Ira Rosen  <irar@il.ibm.com>
17744
17745         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
17746         mark phis for renaming.
17747         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
17748         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
17749         Call mark_sym_for_renaming.
17750         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
17751         * tree-vect-loop.c (vect_transform_loop): Remove
17752         vect_memsyms_to_rename initialization and a call to
17753         mark_set_for_renaming.
17754
17755 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
17756
17757         PR middle-end/40304
17758         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
17759         frame related even if !set_cfa && style < 0.
17760
17761 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
17762
17763         * config/i386/mingw-tls.c: New file.
17764         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
17765         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
17766         defining _WIN32 but not __CYGWIN__.
17767
17768 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17769
17770         * configure.ac: Add MPC support.
17771
17772         * config.in, configure: Regenerate.
17773
17774 2009-05-29  Richard Henderson  <rth@redhat.com>
17775
17776         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
17777         NOTE_INSN_BASIC_BLOCK.
17778         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
17779         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
17780         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
17781         to be deleted.
17782         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
17783         add in_use field.
17784         (add_cfi): Disable check redefining cfa away from drap.
17785         (lookup_cfa_1): Add remember argument; handle remember/restore.
17786         (lookup_cfa): Pass remember argument.
17787         (cfa_remember): New.
17788         (compute_barrier_args_size_1): Remove sibcall check.
17789         (dwarf2out_frame_debug_def_cfa): New.
17790         (dwarf2out_frame_debug_adjust_cfa): New.
17791         (dwarf2out_frame_debug_cfa_offset): New.
17792         (dwarf2out_frame_debug_cfa_register): New.
17793         (dwarf2out_frame_debug_cfa_restore): New.
17794         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
17795         (dwarf2out_begin_epilogue): New.
17796         (dwarf2out_frame_debug_restore_state): New.
17797         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
17798         DW_CFA_restore_state.
17799         (output_cfi_directive): Likewise.
17800         (convert_cfa_to_fb_loc_list): Likewise.
17801         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
17802         * dwarf2out.h: Update.
17803         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
17804         (copy_insn_1): Early out for null.
17805         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
17806         and dwarf2out_frame_debug_restore_state.
17807         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
17808         (prologue_insn_hash, epilogue_insn_hash): New.
17809         (free_after_compilation): Adjust freeing accordingly.
17810         (record_insns): Create hash table if needed; push insns into
17811         hash instead of array.
17812         (maybe_copy_epilogue_insn): New.
17813         (contains): Search hash table instead of array.
17814         (sibcall_epilogue_contains): Remove.
17815         (thread_prologue_and_epilogue_insns): Split eh_return insns
17816         and mark them as epilogues.
17817         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
17818         scanning in terms of basic blocks.
17819         * insn-notes.def (CFA_RESTORE_STATE): New.
17820         * jump.c (returnjump_p_1): Accept EH_RETURN.
17821         (eh_returnjump_p_1, eh_returnjump_p): New.
17822         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
17823         CFA_REGISTER, CFA_RESTORE): New.
17824         * rtl.def (EH_RETURN): New.
17825         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
17826
17827         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
17828         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
17829
17830         * config/i386/i386.c (gen_push): Update cfa state.
17831         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
17832         add a CFA_ADJUST_CFA note.
17833         (ix86_dwarf_handle_frame_unspec): Remove.
17834         (ix86_expand_prologue): Update cfa state.
17835         (ix86_emit_restore_reg_using_pop): New.
17836         (ix86_emit_restore_regs_using_pop): New.
17837         (ix86_emit_leave): New.
17838         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
17839         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
17840         * config/i386/i386.h (struct machine_cfa_state): New.
17841         (ix86_cfa_state): New.
17842         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
17843         (eh_return_internal): Merge from eh_return_<mode>,
17844         use eh_return rtx, split w/ epilogue.
17845
17846 2009-05-29  Ian Lance Taylor  <iant@google.com>
17847
17848         * builtins.c (validate_gimple_arglist): Don't use va_arg with
17849         enum type.
17850         * calls.c (emit_library_call_value_1): Likewise.
17851
17852         * c-typeck.c (c_build_va_arg): New function.
17853         * c-tree.h (c_build_va_arg): Declare.
17854         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
17855         instead of build_va_arg.
17856
17857 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
17858
17859         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
17860         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
17861         (ptr_difference_cost): Use affine combinations to compute it.
17862         (difference_cost): Likewise.
17863         (get_computation_cost_at): Compute more accurate cost for addresses
17864         if the ratio is a multiplier allowed in addresses.
17865         For non-addresses, consider that an additional offset or symbol is
17866         added only once.
17867
17868 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
17869
17870         * config/i386/i386.c (ix86_decompose_address): Avoid useless
17871         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
17872
17873         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
17874         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
17875         (prefix_rex): For UNIT_MMX don't imply the prefix by default
17876         if MODE_DI.
17877         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
17878         to 1 for TYPE_SSE{IADD1,CVT1}.
17879         (prefix_vex_imm8): Removed.
17880         (length_vex): Only pass 1 as second argument to
17881         ix86_attr_length_vex_default if prefix_extra is 0.
17882         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
17883         (length): For prefix vex computation use length_immediate
17884         attribute instead of prefix_vex_imm8.
17885         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
17886         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
17887         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
17888         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
17889         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
17890         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
17891         a space in between the operands.
17892         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
17893         if one operand is 0xff and the other one si, di, bp or sp.
17894         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
17895         other one si, di, bp or sp.
17896         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
17897         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
17898         type and mode attributes.
17899         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
17900         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
17901         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
17902         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
17903         prefix_data16 attribute iff MODE_DF.
17904         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
17905         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
17906         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
17907         constm128_operand in length_immediate computation.
17908         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
17909         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
17910         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
17911         length_immediate attribute to 1.
17912         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
17913         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
17914         for certain alternatives.
17915         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
17916         prefix_data16 attribute if MODE_V1DF.
17917         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
17918         length_immediate to 1.
17919         (set_got_rex64, set_rip_rex64): Remove length attribute, set
17920         length_address to 4, set mode attribute to MODE_DI.
17921         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
17922         (fxam<mode>2_i387): Set length attribute to 4.
17923         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
17924         *prefetch_3dnow_rex): Override length_address attribute.
17925         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
17926         attributes.
17927         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
17928         (constm128_operand): Removed.
17929         * config/i386/i386.c (memory_address_length): For
17930         disp && !index && !base in 64-bit mode account for SIB byte if
17931         print_operand_address can't optimize disp32 into disp32(%rip)
17932         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
17933         for fs: or gs: segment.
17934         (ix86_attr_length_immediate_default): When checking if shortform
17935         is possible, truncate immediate to the length of the non-shortened
17936         immediate.
17937         (ix86_attr_length_address_default): Ignore MEM_P operands
17938         with X constraint.
17939         (ix86_attr_length_vex_default): Only check for DImode on
17940         GENERAL_REG_P operands.
17941         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
17942         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
17943         (sse_cvttps2pi): Clear prefix_rep attribute.
17944         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
17945         attribute.
17946         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
17947         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
17948         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
17949         iff operand 2 is const_int_operand.
17950         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
17951         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
17952         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
17953         instead of vex.
17954         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
17955         prefix_data16.
17956         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
17957         prefix_data16 attribute for movlpd and movhpd instructions.
17958         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
17959         length_immediate for shufpd instruction.
17960         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
17961         (avx_cmpp<avxmodesuffixf2c><mode>3,
17962         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
17963         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
17964         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
17965         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
17966         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
17967         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
17968         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
17969         prefix_data16 attribute for the first alternative to 1.
17970         (*avx_loadlps): Override length_immediate for the first alternative.
17971         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
17972         attributes for second alternative.
17973         (*vec_concatv2sf_sse4_1): Override length_immediate and
17974         prefix_data16 attributes for second alternative.
17975         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
17976         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
17977         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
17978         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
17979         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
17980         prefix_data16 and length_immediate to 1.
17981         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
17982         to 1.
17983         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
17984         prefix_extra attribute for variants that don't have 0f prefix alone.
17985         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
17986         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
17987         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
17988         *sse4_1_pextrd): Set length_immediate to 1.
17989         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
17990         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
17991         to 1.
17992         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
17993         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
17994         length_immediate to 1 for second alternative.
17995         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
17996         prefix_extra and length_immediate attributes for the first
17997         alternative.
17998         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
17999         first alternative.
18000         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
18001         to 1 for the first and third alternative.
18002         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
18003         alternative.
18004         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
18005         attribute.
18006         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
18007         attribute to 0.
18008         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
18009         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
18010         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
18011         *avx_psign<mode>3): Set prefix_extra attribute to 1.
18012         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
18013         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
18014         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
18015         ssse3_psign<mode>3): Override prefix_rex attribute.
18016         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
18017         (ssse3_palignrti): Override length_immediate to 1.
18018         (ssse3_palignrdi): Override length_immediate to 1, override
18019         prefix_rex attribute.
18020         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
18021         (sse4a_extrqi): Override length_immediate to 2.
18022         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
18023         (sse4a_insertq): Override prefix_data16 to 0.
18024         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
18025         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
18026         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
18027         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
18028         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
18029         and length_immediate to 1.
18030         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
18031         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
18032         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
18033         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
18034         and length_immediate to 1.
18035         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
18036         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
18037         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
18038         avx_ptest256): Override prefix_extra to 1.
18039         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
18040         Override prefix_data16 and length_immediate to 1.
18041         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
18042         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
18043         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
18044         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
18045         prefix_data16 to 0 and prefix_extra to 2.
18046         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
18047         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
18048         attribute.
18049         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
18050         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
18051         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
18052         and prefix_extra to 2.
18053         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
18054         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
18055         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
18056         avx_vpermilvar<mode>3,
18057         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
18058         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
18059         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
18060         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
18061         Override prefix_extra to 1.
18062         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
18063         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
18064         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
18065         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
18066         prefix_extra and length_immediate to 1.
18067         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
18068         modrm to 0.
18069         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
18070         to 1 for the first alternative.
18071         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
18072         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
18073         cases.
18074         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
18075         *movv2sf_internal_avx, *movv2sf_internal): Override
18076         prefix_rep attribute for certain alternatives.
18077         (*mov<mode>_internal): Override prefix_rep or prefix_data16
18078         attributes for certain alternatives.
18079         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
18080         attributes for certain alternatives.
18081         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
18082         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
18083         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
18084         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
18085         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
18086         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
18087         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
18088         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
18089         length_immediate to 1 if operand 2 is const_int_operand.
18090         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
18091         *vec_extractv2si_1): Set length_immediate attribute to 1.
18092         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
18093         using old 3DNOW insn rather than SSE/3DNOW_A.
18094         (mmx_emms, mmx_femms): Clear modrm attribute.
18095
18096 2009-05-29  Martin Jambor  <mjambor@suse.cz>
18097
18098         * tree-sra.c:  New implementation of SRA.
18099
18100         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
18101         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
18102         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
18103         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
18104         (SRA_MAX_STRUCTURE_COUNT): Removed.
18105         (SRA_FIELD_STRUCTURE_RATIO): Removed.
18106         * doc/invoke.texi (sra-max-structure-size): Removed.
18107         (sra-field-structure-ratio): Removed.
18108
18109 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
18110
18111         PR middle-end/40291
18112         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
18113         before expansion.
18114
18115 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
18116
18117         PR rtl-optimization/40101
18118         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
18119         seqno.  Adjust comment.
18120         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
18121         inserting bookkeeping before a jump, the jump is not scheduled.
18122         When no positive seqno found, provide a value.  Add comment.
18123
18124 2009-05-29  Richard Guenther  <rguenther@suse.de>
18125
18126         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
18127         short-cutting on the first component.
18128
18129 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
18130
18131         PR middle-end/39958
18132         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
18133         for trees other than decls/types.
18134
18135 2009-05-29  Richard Guenther  <rguenther@suse.de>
18136
18137         * tree-ssa-operands.c (get_expr_operands): Do not handle
18138         INDIRECT_REFs in the handled-component case.  Remove
18139         unused get_ref_base_and_extent case.
18140         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
18141         tree_low_cst and host_integerp where possible.
18142         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
18143         codes for equivalence.
18144         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
18145
18146 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
18147
18148         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
18149         to tmake_file for i[34567]86-*-cygwin*.
18150
18151 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
18152
18153         PR target/40017
18154         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
18155         (altivec_categorize_keyword, init_vector_keywords,
18156         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
18157         similar to bool.
18158
18159 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
18160
18161         * tree.c (handle_dll_attribute): Check if node is
18162         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
18163
18164 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
18165
18166         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
18167         component.
18168         (thumb2_zero_extendqidi2): Likewise.
18169
18170 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
18171
18172         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
18173         instead of gen_movrt.
18174         * config/sh/sh.md (movrt): Remove.
18175
18176 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
18177
18178         * doc/invoke.texi (IA-64 Options):
18179         Add -msdata, -mfused-madd, -mno-inline-float-divide,
18180         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
18181         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
18182         -msched-prefer-non-control-spec-insns,
18183         -msched-stop-bits-after-every-cycle,
18184         -msched-count-spec-in-critical-path,
18185         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
18186         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
18187         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
18188         and -msched-spec-verbose.
18189
18190 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
18191
18192         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
18193         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
18194         error if used.
18195         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
18196
18197 2009-05-28  Richard Guenther  <rguenther@suse.de>
18198
18199         * tree-ssa-alias.c (ao_ref_init): New function.
18200         (ao_ref_base): Likewise.
18201         (ao_ref_base_alias_set): Likewise.
18202         (ao_ref_alias_set): Likewise.
18203         (refs_may_alias_p_1): Change signature.
18204         (refs_may_alias_p): Adjust.
18205         (refs_anti_dependent_p): Likewise.
18206         (refs_output_dependent_p): Likewise.
18207         (call_may_clobber_ref_p_1): Change signature.
18208         (call_may_clobber_ref_p): Adjust.
18209         (stmt_may_clobber_ref_p_1): New function split out from ...
18210         (stmt_may_clobber_ref_p): ... here.
18211         (maybe_skip_until): Adjust signature.
18212         (get_continuation_for_phi): Likewise.
18213         (walk_non_aliased_vuses): Likewise.
18214         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
18215         (ao_ref_init): Declare.
18216         (ao_ref_base): Likewise.
18217         (ao_ref_alias_set): Likewise.
18218         (stmt_may_clobber_ref_p_1): Likewise.
18219         (walk_non_aliased_vuses): Adjust.
18220         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
18221         (get_ref_from_reference_ops): remove.
18222         (vn_reference_lookup_2): Adjust signature.
18223         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
18224         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
18225         (vn_reference_lookup): Adjust.
18226         (vn_reference_insert): Likewise.
18227         (vn_reference_insert_pieces): Adjust signature.
18228         (visit_reference_op_call): Adjust.
18229         * tree-ssa-pre.c (get_expr_type): Simplify.
18230         (phi_translate_1): Adjust.
18231         (compute_avail): Likewise.
18232         (translate_vuse_through_block): Do not re-build trees.
18233         (value_dies_in_block_x): Likewise.
18234         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
18235         fields.
18236         (vn_reference_lookup_pieces): Adjust declaration.
18237         (vn_reference_insert_pieces): Likewise.
18238
18239 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
18240
18241         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
18242         with checking disabled.
18243
18244 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
18245
18246         PR target/37216
18247
18248         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
18249         macro definition for support of three-operand format aligned
18250         .comm directive in assembler on cygwin/pe/mingw target OS.
18251         * configure:  Regenerate.
18252         * config.h:  Regenerate.
18253
18254         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
18255         aligned form of .comm directive if -mpe-aligned-commons is in effect.
18256         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
18257
18258         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
18259         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
18260
18261 2009-05-28  Ira Rosen  <irar@il.ibm.com>
18262
18263         PR tree-optimization/40254
18264         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
18265         in analysis of basic blocks.
18266
18267 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
18268
18269         PR middle-end/33699
18270         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
18271         * target-def.h (TARGET_CONST_ANCHOR): New macro.
18272         (TARGET_INITIALIZER): Use it.
18273         * cse.c (CHEAPER): Move it up to the other macros.
18274         (insert): Rename this ...
18275         (insert_with_costs): ... to this.  Add cost parameters.  Update
18276         function comment.
18277         (insert): New function.  Call insert_with_costs.
18278         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
18279         find_reg_offset_for_const, try_const_anchors): New functions.
18280         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
18281         when using a const-anchor.  Call insert_const_anchors.
18282         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
18283         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
18284
18285 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
18286
18287         * tree-inline.c (remap_decls): Enable nonlocalized variables
18288         when not optimizing.
18289
18290 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
18291
18292         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
18293         Simplify other tests involving optimize.
18294
18295 2009-05-27  Tom Tromey  <tromey@redhat.com>
18296
18297         * unwind-dw2.c (_Unwind_DebugHook): New function.
18298         (uw_install_context): Call _Unwind_DebugHook.
18299
18300 2009-05-27  Tom Tromey  <tromey@redhat.com>
18301
18302         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
18303
18304 2009-05-27  Ian Lance Taylor  <iant@google.com>
18305
18306         * Makefile.in (LINKER, LINKER_FLAGS): Define.
18307         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
18308         (ALL_LINKERFLAGS): Define.
18309         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
18310         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
18311         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
18312         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
18313         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
18314         $(LINKER_FOR_BUILD).
18315         (build/gcov-iov$(build_exeext)): Likewise.
18316
18317 2009-05-27  Julian Brown  <julian@codesourcery.com>
18318
18319         * gcse.c (target.h): Include.
18320         (can_assign_to_reg_without_clobbers_p): Check that the target allows
18321         copy of argument to a pseudo register.
18322
18323 2009-05-27  Diego Novillo  <dnovillo@google.com>
18324
18325         * tree-ssa-live.c (dump_scope_block): Document arguments.
18326         (dump_scope_blocks): Document.
18327         (debug_scope_blocks): New.
18328         * tree-flow.h (debug_scope_blocks): Declare.
18329
18330 2009-05-21  Denis Chertykov  <denisc@overta.ru>
18331
18332         * doc/contrib.texi (Contributors): Add myself to the list.
18333
18334 2009-05-27  Olivier Hainque  <hainque@adacore.com>
18335
18336         * expr.c (target_align): New function.  Alignment the TARGET of an
18337         assignment may be assume to have.
18338         (highest_pow2_factor_for_target): Use it instead of relying on
18339         immediate tree attributes of TARGET, not necessarily honored when
18340         intermediate bitfields are involved.
18341
18342 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
18343
18344         PR target/40266
18345         * config/i386/driver-i386.c (host_detect_local_cpu): Support
18346         AVX, SSE4, AES, PCLMUL and POPCNT.
18347
18348 2009-05-27  Diego Novillo  <dnovillo@google.com>
18349
18350         * tree-pretty-print.c (dump_location): New.
18351         (dump_generic_node): Call it.
18352         Factor code to handle BLOCK nodes ...
18353         (dump_block_node): ... here.
18354
18355 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
18356
18357         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
18358         with it.
18359         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
18360         included.
18361         * gcc-plugin.h: Include config.h and system.h.
18362         (IN_GCC): Define if not defined.
18363
18364 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
18365
18366         PR middle-end/40249
18367         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
18368         with -fno-inline.
18369
18370 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
18371
18372         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
18373         applicable.
18374         * config/m32r/m32r.h: Ditto.
18375         * config/m32r/m32r.md: Ditto.
18376         * config/m32r/predicates.md: Ditto.
18377
18378 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
18379
18380         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
18381
18382 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
18383
18384         * doc/plugins.texi
18385         (Loading plugins): typo.
18386         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
18387         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
18388         (Interacting with the GCC Garbage Collector): Added new section.
18389         (Giving information about a plugin): Added new section for
18390         PLUGIN_INFO.
18391         * ggc.h (ggc_register_root_tab): Added declaration.
18392         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
18393         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
18394         (register_callback): Improved comment in declaration.
18395         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
18396         (extra_root_vec) Added static variable for dynamic roots registration.
18397         (ggc_register_root_tab) Added new routine.
18398         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
18399         PLUGIN_GGC_MARKING event.
18400         * ggc-zone.c: Include plugin.h.
18401         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
18402         * ggc-page.c: Include plugin.h.
18403         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
18404         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
18405         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
18406         (register_callback): check lack of callbacks for
18407         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
18408         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
18409         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
18410         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
18411         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
18412         dependency on plugin.h.
18413         (plugin.o): Added dependency on ggc.h...
18414
18415 2009-05-26  Richard Guenther  <rguenther@suse.de>
18416
18417         PR middle-end/40248
18418         Revert
18419         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
18420         with mismatched comparison modes.
18421
18422         * expr.c (expand_expr_real_1): Expand the operand of a
18423         VIEW_CONVERT_EXPR in its natural mode.
18424
18425 2009-05-26  Ian Lance Taylor  <iant@google.com>
18426
18427         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
18428         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
18429         (ALL_COMPILERFLAGS): Define.
18430         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
18431         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
18432         (collect2$(exeext), collect2.o): Likewise.
18433         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
18434         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
18435         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
18436         (libbackend.o, intl.o, cppdefault.o): Likewise.
18437         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
18438         (build/%.o): Use $(COMPILER_FOR_BUILD).
18439         (build/gen%$(build_exeext)): Likewise.
18440         (build/gcov-iov$(build_exeext)): LIkewise.
18441         * config/t-darwin (darwin.o): Use $(COMPILER).
18442         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
18443         * config/t-sol2 (sol2-c.o): Likewise.
18444         (sol2.o): Likewise.
18445         * config/t-vxworks (vxworks.o): Likewise.
18446         * config/x-darwin (host-darwin.o): Likewise.
18447         * config/x-hpux (host-hpux.o): Likewise.
18448         * config/x-linux (host-linux.o): Likewise.
18449         * config/x-solaris (host-solaris.o): Likewise.
18450         * config/alpha/x-alpha (driver-alpha.o): Likewise.
18451         * config/arm/t-arm (arm-c.o): Likewise.
18452         * config/arm/t-pe (pe.o): Likewise.
18453         * config/arm/t-wince-pe (pe.o): Likewise.
18454         * config/i386/t-cygming (winnt.o): Likewise.
18455         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
18456         * config/i386/t-cygwin (cygwin1.o): Likewise.
18457         (cygwin2.o): Likewise.
18458         * config/i386/t-i386 (i386-c.o): Likewise.
18459         * config/i386/t-interix (winnt.o): Likewise.
18460         * config/i386/t-netware (netware.o): Likewise.
18461         * config/i386/t-nwld (nwld.o): Likewise.
18462         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
18463         * config/i386/x-i386 (driver-i386.o): Likewise.
18464         * config/i386/x-cygwin (host-cygwin.o): Likewise.
18465         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
18466         * config/ia64/t-ia64 (ia64-c.o): Likewise.
18467         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
18468         * config/mips/x-native (driver-native.o): Likewise.
18469         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
18470         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
18471         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
18472         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
18473         * config/score/t-score-elf (score7.o): Likewise.
18474         (score3.o): Likewise.
18475         * config/sh/t-sh (sh-c.o): Likewise.
18476         * config/sh/t-symbian (sh-c.o): Likewise.
18477         (symbian.o): Likewise.
18478         * config/spu/t-spu-elf (spu-c.o): Likewise.
18479         * config/v850/t-v850 (v850-c.o): Likewise.
18480         * config/v850/t-v850e (v850-c.o): Likewise.
18481
18482 2009-05-26  Richard Guenther  <rguenther@suse.de>
18483
18484         PR tree-optimization/40122
18485         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
18486         VECTOR_CSTs if possible.
18487         (fold_gimple_assign): Likewise.
18488
18489 2009-05-26  Richard Guenther  <rguenther@suse.de>
18490
18491         PR middle-end/40252
18492         * fold-const.c (fold_binary): Use the correct types for building
18493         rotates.
18494
18495 2009-05-26  Richard Guenther  <rguenther@suse.de>
18496
18497         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
18498         redundant calls to merge_alias_info.
18499         (bump_vector_ptr): Likewise.
18500         * tree-ssa-copy.c (merge_alias_info): Remove.
18501         (replace_exp_1): Remove call to merge_alias_info.
18502         (propagate_tree_value): Likewise.
18503         (fini_copy_prop): Propagate points-to info.
18504         * tree-flow.h (merge_alias_info): Remove.
18505
18506 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
18507
18508         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
18509
18510 2009-05-25  Jan Hubicka  <jh@suse.cz>
18511
18512         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
18513         * cgraph.h (struct inline_summary): New filed self_wize,
18514         size_inlining_benefit, self_time and time_inlining_benefit.
18515         (struct cgraph_global_info): Replace insns by time ans size fields.
18516         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
18517         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
18518         (ipcp_update_callgraph): Do not touch function bodies.
18519         * ipa-inline.c: Include except.h
18520         (MAX_TIME): New constant.
18521         (overall_insns): Remove.
18522         (leaf_node_p): New.
18523         (overall_size, max_benefit): New static variables.
18524         (cgraph_estimate_time_after_inlining): New function.
18525         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
18526         (cgraph_clone_inlined_nodes): Update size.
18527         (cgraph_mark_inline_edge): Update size.
18528         (cgraph_estimate_growth): Use size info.
18529         (cgraph_check_inline_limits): Check size.
18530         (cgraph_default_inline_p): Likewise.
18531         (cgraph_edge_badness): Compute badness based on benefit and size cost.
18532         (cgraph_decide_recursive_inlining): Check size.
18533         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
18534         and times.
18535         (cgraph_decide_inlining): Likewise.
18536         (cgraph_decide_inlining_incrementally): Likewise; honor
18537         PARAM_EARLY_INLINING_INSNS.
18538         (likely_eliminated_by_inlining_p): New predicate.
18539         (estimate_function_body_sizes): New function.
18540         (compute_inline_parameters): Use it.
18541         * except.c (must_not_throw_labels): New function.
18542         * except.h (must_not_throw_labels): Declare.
18543         * tree-inline.c (init_inline_once): Kill inlining_weigths
18544         * tree-ssa-structalias.c: Avoid uninitialized warning.
18545         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
18546         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
18547         (PARAM_INLINE_CALL_COST): Remove.
18548         (PARAM_EARLY_INLINING_INSNS): New.
18549
18550 2009-05-25  Richard Guenther  <rguenther@suse.de>
18551
18552         PR tree-optimization/36327
18553         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
18554         callback for reference translation or lookup at the point of may-defs.
18555         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
18556         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
18557         for union COMPONENT_REFs.
18558         (vn_reference_lookup_3): New callback.  Lookup from memset
18559         and CONSTRUCTOR assignment, translate through struct copies.
18560         (vn_reference_lookup_pieces): Make sure to not free the
18561         passed operands array.  Adjust walk_non_aliased_vuses call.
18562         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
18563         make sure we do not leak memory.
18564
18565 2009-05-25  Richard Guenther  <rguenther@suse.de>
18566
18567         * tree-ssa-alias.h (dump_points_to_solution): Declare.
18568         * tree-inline.c (expand_call_inline): Reset the escaped and
18569         callused solutions.
18570         * tree-ssa-structalias.c (pass_build_ealias): New.
18571         * tree-pass.h (pass_build_ealias): Declare.
18572         * passes.c (init_optimization_passes): Add PTA during
18573         early optimizations.
18574         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
18575         and CALLUSED solutions.
18576         (dump_points_to_solution): New function, split out from ...
18577         (dump_points_to_info_for): ... here.
18578         * tree-parloops.c (parallelize_loops): Reset the escaped and
18579         callused solutions.
18580
18581 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
18582
18583         PR bootstrap/40027
18584         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
18585         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
18586
18587 2009-05-25  Ira Rosen  <irar@il.ibm.com>
18588
18589         PR tree-optimization/40238
18590         * tree-vect-stmts.c (vect_init_vector): Insert initialization
18591         statements after basic block's labels.
18592         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
18593         to free the allocated memory.
18594
18595 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
18596
18597         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
18598         return address with a USE.
18599
18600 2009-05-24  Richard Guenther  <rguenther@suse.de>
18601
18602         PR middle-end/40233
18603         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
18604         array type from the main variant of the inner type.
18605
18606 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
18607
18608         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
18609         definition to bool (from int) to un-break build.
18610         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
18611
18612 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
18613
18614         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
18615         discard_stmt_changes): Delete.
18616         * tree-ssa-operands.c (scb_stack): Delete.
18617         (init_ssa_operands): Do not initialize it.
18618         (fini_ssa_operands): Do not free it.
18619         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
18620
18621         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
18622         update_stmt, remove the others.  Fix comments.
18623         * tree-dfa.c (optimize_stack_restore): Likewise.
18624         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
18625         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
18626         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
18627         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
18628         Likewise.
18629         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
18630         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
18631         (dom_opt_finalize_block): Likewise, adjusting access to
18632         stmts_to_rescan.
18633         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
18634         (stmts_to_rescan): Change item type to gimple.
18635         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
18636
18637 2009-05-24  Ira Rosen  <irar@il.ibm.com>
18638
18639         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
18640         * tree-pass.h (pass_slp_vectorize): New pass.
18641         * params.h (SLP_MAX_INSNS_IN_BB): Define.
18642         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
18643         * tree-vectorizer.c (timevar.h): Include.
18644         (user_vect_verbosity_level): Declare.
18645         (vect_location): Fix comment.
18646         (vect_set_verbosity_level): Update user_vect_verbosity_level
18647         instead of vect_verbosity_level.
18648         (vect_set_dump_settings): Add an argument. Ignore user defined
18649         verbosity if dump flags require higher level of verbosity. Print to
18650         stderr only for loop vectorization.
18651         (vectorize_loops): Update call to vect_set_dump_settings.
18652         (execute_vect_slp): New function.
18653         (gate_vect_slp): Likewise.
18654         (struct gimple_opt_pass pass_slp_vectorize): New.
18655         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
18656         access its members.
18657         (vec_info_for_bb): New function.
18658         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
18659         (VECTORIZATION_ENABLED): New macro.
18660         (SLP_ENABLED, SLP_DISABLED): Likewise.
18661         (vect_is_simple_use): Add bb_vec_info argument.
18662         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
18663         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
18664         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
18665         vect_schedule_slp, vect_analyze_slp): Likewise.
18666         (vect_analyze_stmt): Add slp_tree argument.
18667         (find_bb_location): Declare.
18668         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
18669         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
18670         (vect_analyze_loop_operations, vect_analyze_loop,
18671         get_initial_def_for_induction, vect_create_epilog_for_reduction,
18672         vect_finalize_reduction, vectorizable_reduction,
18673         vectorizable_live_operation, vect_transform_loop): Likewise.
18674         * tree-data-ref.c (dr_analyze_innermost): Update comment,
18675         skip evolution analysis if analyzing a basic block.
18676         (dr_analyze_indices): Likewise.
18677         (initialize_data_dependence_relation): Skip the test whether the
18678         object is invariant for basic blocks.
18679         (compute_all_dependences): Skip dependence analysis for data
18680         references in basic blocks.
18681         (find_data_references_in_stmt): Don't fail in case of invariant
18682         access in basic block.
18683         (find_data_references_in_bb): New function.
18684         (find_data_references_in_loop): Move code to
18685         find_data_references_in_bb and add a call to it.
18686         (compute_data_dependences_for_bb): New function.
18687         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
18688         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
18689         that STEP is 0.
18690         (vect_analyze_data_ref_dependence): Check for interleaving in case of
18691         unknown dependence in basic block and fail in case of dependence in
18692         basic block.
18693         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
18694         dependence instances from either loop or basic block vectorization
18695         info.
18696         (vect_compute_data_ref_alignment): Check if it is loop vectorization
18697         before calling nested_in_vect_loop_p.
18698         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
18699         dependence instances from either loop or basic block vectorization
18700         info.
18701         (vect_verify_datarefs_alignment): Likewise.
18702         (vect_enhance_data_refs_alignment): Adjust function calls.
18703         (vect_analyze_data_refs_alignment): Likewise.
18704         (vect_analyze_group_access): Fix printing. Skip different checks if
18705         DR_STEP is 0. Keep strided stores either in loop or basic block
18706         vectorization data structure. Fix indentation.
18707         (vect_analyze_data_ref_access): Fix comments, allow zero step in
18708         basic blocks.
18709         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
18710         dependence instances from either loop or basic block vectorization
18711         info.
18712         (vect_analyze_data_refs): Update comment. Call
18713         compute_data_dependences_for_bb to analyze basic blocks.
18714         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
18715         case of loop vectorization. In case of basic block vectorization use
18716         data-ref itself as a base.
18717         (vect_create_data_ref_ptr): In case of basic block vectorization:
18718         don't advance the pointer, add new statements before the current
18719         statement.  Adjust function calls.
18720         (vect_supportable_dr_alignment): Support only aligned accesses in
18721         basic block vectorization.
18722         * common.opt (ftree-slp-vectorize): New flag.
18723         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
18724         (vect_pattern_recog_1): Likewise.
18725         * tree-vect-stmts.c (process_use): Likewise.
18726         (vect_init_vector): Add new statements in the beginning of the basic
18727         block in case of basic block SLP.
18728         (vect_get_vec_def_for_operand): Adjust function calls.
18729         (vect_finish_stmt_generation): Likewise.
18730         (vectorizable_call): Add assert that it is loop vectorization, adjust
18731         function calls.
18732         (vectorizable_conversion, vectorizable_assignment): Likewise.
18733         (vectorizable_operation): In case of basic block SLP, take
18734         vectorization factor from statement's type and skip the relevance
18735         check. Adjust function calls.
18736         (vectorizable_type_demotion): Add assert that it is loop
18737         vectorization, adjust function calls.
18738         (vectorizable_type_promotion): Likewise.
18739         (vectorizable_store): Check for outer loop only in case of loop
18740         vectorization. Adjust function calls. For basic blocks, skip the
18741         relevance check and don't advance pointers.
18742         (vectorizable_load): Likewise.
18743         (vectorizable_condition): Add assert that it is loop vectorization,
18744         adjust function calls.
18745         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
18746         that it is not reduction, get vector type, call only supported
18747         functions, skip loop specific parts.
18748         (vect_transform_stmt): Check for outer loop only in case of loop
18749         vectorization.
18750         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
18751         (vect_is_simple_use): Fix comment, add new argument, fix conditions
18752         for external definition.
18753         * passes.c (pass_slp_vectorize): New pass.
18754         * tree-vect-slp.c (find_bb_location): New function.
18755         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
18756         check for patterns only in loops.
18757         (vect_build_slp_tree): Add argument, adjust function calls, fail in
18758         case of multiple types in basic block SLP.
18759         (vect_mark_slp_stmts_relevant): New function.
18760         (vect_supported_load_permutation_p): Fix comment.
18761         (vect_analyze_slp_instance): Add argument. In case of basic block
18762         SLP, take vectorization factor from statement's type, check that
18763         unrolling factor is 1. Adjust function call. Save SLP instance in
18764         either loop or basic block vectorization structure. Return FALSE,
18765         if SLP failed.
18766         (vect_analyze_slp): Add argument. Get strided stores groups from
18767         either loop or basic block vectorization structure. Return FALSE
18768         if basic block SLP failed.
18769         (new_bb_vec_info): New function.
18770         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
18771         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
18772         (vect_schedule_slp): Add argument. Get SLP instances from either
18773         loop or basic block vectorization structure. Set vectorization factor
18774         to be 1 for basic block SLP.
18775         (vect_slp_transform_bb): New function.
18776         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
18777
18778 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
18779
18780         * final.c (shorten_branches): Do not align labels for jump tables.
18781         (final_scan_insn): Use JUMP_TABLE_DATA_P.
18782
18783 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
18784
18785         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
18786         Remove outdated reference to flow.c and fix nits.
18787         * doc/gccint.texi: Tweak RTL description.
18788         * doc/rtl.texi: Likewise.
18789
18790 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
18791
18792         * config/avr/avr.c: Change my email address.
18793         * config/avr/avr.h: Likewise.
18794         * config/avr/avr.md: Likewise.
18795         * config/avr/avr-protos.h: Likewise.
18796         * config/avr/libgcc.S: Likewise.
18797
18798 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
18799
18800         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
18801         (spu_split_load, spu_split_store): Change return type to int.
18802         (spu_split_convert): Declare.
18803         * config/spu/predicates.md (spu_mem_operand): Remove.
18804         (spu_mov_operand): Update.
18805         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
18806         * config/spu/spu.c (regno_aligned_for_load): Remove.
18807         (reg_aligned_for_addr, spu_expand_load): Define.
18808         (spu_expand_extv): Reimplement and handle MEM.
18809         (spu_expand_insv): Handle MEM.
18810         (spu_sched_reorder): Handle insn's with length 0.
18811         (spu_legitimate_address_p): Reimplement.
18812         (store_with_one_insn_p): Return TRUE for any mode with size
18813         larger than 16 bytes.
18814         (address_needs_split): Define.
18815         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
18816         operands.
18817         (spu_convert_move): Define.
18818         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
18819         (spu_split_store): Change all MEM's to TImode.
18820         (spu_init_expanders): Preallocate registers that correspond to
18821         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
18822         mark_reg_pointer.
18823         (spu_split_convert): Define.
18824         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
18825         (_move<mode>, _movdi, _movti): Update predicate and condition.
18826         (load, store): Change to define_split.
18827         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
18828         extend<mode>ti2.
18829         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
18830         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
18831         define_insn_and_split of lshr<mode>3.
18832         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
18833         (<v>ashr<mode>3_imm): Define.
18834         (extv, extzv, insv): Allow MEM operands.
18835         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
18836         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
18837         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
18838         (_spu_convert2): Change to define_insn_and_split and remove the
18839         corresponding define_peephole2.
18840         (stack_protect_set, stack_protect_test, stack_protect_test_si):
18841         Change predicates to memory_operand.
18842
18843 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
18844
18845         * config/arm/thumb2.md: Add 16-bit multiply instructions.
18846
18847 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
18848
18849         PR tree-optimization/40219
18850         * tree.c (iterative_hash_expr): Make sure the builtin function is
18851         a normal builtin function and not a front end or back end builtin
18852         before indexing into the built_in_decls array.
18853
18854 2009-05-22  Richard Guenther  <rguenther@suse.de>
18855
18856         PR middle-end/38964
18857         * alias.c (write_dependence_p): Do not use TBAA for answering
18858         anti-dependence or output-dependence.
18859         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
18860         (emit_pointer_definition): Remove.
18861         (emit_alias_warning): Likewise.
18862         (find_what_var_points_to): Remove TBAA pruning code.
18863         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
18864         violations.
18865         (compute_points_to_sets): Remove code computing the set of
18866         dereferenced pointers.
18867         * tree-data-ref.c (dr_may_alias_p): Properly use the split
18868         oracle for querying anti and output dependencies.
18869         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
18870         if TBAA may be applied.
18871         (refs_anti_dependent_p): New function.
18872         (refs_output_dependent_p): Likewise.
18873         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
18874         (refs_output_dependent_p): Likewise.
18875         * doc/tree-ssa.texi (Memory model): New section.
18876         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
18877         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
18878         * cfgexpand.c (expand_gimple_basic_block): Do not handle
18879         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
18880         * expr.c (expand_expr_real_1): Likewise.
18881         * gimple-low.c (lower_stmt): Likewise.
18882         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
18883         (dump_gimple_cdt): Remove.
18884         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
18885         (gimple_size): Likewise.
18886         (walk_gimple_op): Likewise.
18887         (is_gimple_stmt): Likewise.
18888         (walk_stmt_load_store_addr_ops): Likewise.
18889         (gimple_build_cdt): Remove.
18890         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
18891         * gimple.h (gimple_cdt_new_type): Remove.
18892         (gimple_cdt_new_type_ptr): Likewise.
18893         (gimple_cdt_set_new_type): Likewise.
18894         (gimple_cdt_location): Likewise.
18895         (gimple_cdt_location_ptr): Likewise.
18896         (gimple_cdt_set_location): Likewise.
18897         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
18898         * tree-cfg.c (remove_useless_stmts_1): Do not handle
18899         GIMPLE_CHANGE_DYNAMIC_TYPE.
18900         (verify_types_in_gimple_stmt): Likewise.
18901         * tree-inline.c (estimate_num_insns): Likewise.
18902         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
18903         (copy_decl_to_var): Likewise.
18904         (copy_result_decl_to_var): Likewise.
18905         * tree-pretty-print.c (dump_generic_node): Do not handle
18906         CHANGE_DYNAMIC_TYPE_EXPR.
18907         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
18908         * tree-ssa-operands.c (get_expr_operands): Likewise.
18909         * tree-ssa-structalias.c (struct variable_info): Remove
18910         no_tbaa_pruning member.
18911         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
18912         (unify_nodes): Do not copy it.
18913         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
18914         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
18915         (set_uids_in_ptset): Do not check it.
18916         (find_what_var_points_to): Likewise.
18917         (compute_tbaa_pruning): Remove.
18918         (compute_points_to_sets): Do not call it.
18919         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
18920         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
18921         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
18922         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
18923         (DECL_NO_TBAA_P): Likewise.
18924         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
18925         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
18926         (expand_omp_atomic_pipeline): Do not set it.
18927         * print-tree.c (print_node): Do not dump it.
18928         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
18929         redundant check.
18930
18931 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
18932
18933         PR target/39856
18934         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
18935         for clobber.
18936
18937 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
18938
18939         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
18940         non-external.
18941
18942 2009-05-22  Ben Elliston  <bje@au.ibm.com>
18943
18944         * Makefile.in (bversion.h, s-bversion): New targets.
18945         (TOPLEV_H): Add bversion.h.
18946         * toplev.h: Include "bversion.h".
18947         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
18948         the __format__ attribute only if compiling with the same version
18949         of GCC as the sources (the "build version").
18950
18951 2009-05-22  Ben Elliston  <bje@au.ibm.com>
18952
18953         * c-format.c (handle_format_attribute): Fix comment typo.
18954
18955 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
18956
18957         PR target/37846
18958         * config/ia64/ia64.opt (mfused-madd): New.
18959         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
18960         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
18961         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
18962         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
18963         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
18964         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
18965         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
18966         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
18967         instruction if !TARGET_FUSED_MADD.
18968         (fpma, fpms): Remove colon from name.
18969
18970 2009-05-22  Richard Guenther  <rguenther@suse.de>
18971
18972         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
18973         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
18974         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
18975         TARGET_MEM_REF.
18976         (create_expression_by_pieces): Only convert if necessary.
18977         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
18978         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
18979
18980 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
18981
18982         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
18983         regular pattern from a template and rename it ...
18984         (*extzv_truncsi_exts): ... to this.
18985
18986 2009-05-21  Richard Guenther  <rguenther@suse.de>
18987
18988         * cgraph.h (struct cgraph_node): Remove inline_decl member.
18989         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
18990         (cgraph_default_inline_p): Likewise.
18991         (cgraph_decide_inlining_incrementally): Likewise.
18992
18993 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
18994             Uros Bizjak  <ubizjak@gmail.com>
18995
18996         * config/i386/cpuid.h (bit_MOVBE): New.
18997
18998         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
18999
19000         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
19001         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
19002         (ix86_handle_option): Handle OPT_mmovbe.
19003         (ix86_target_string): Add -mmovbe.
19004         (pta_flags): Add PTA_MOVBE.
19005         (processor_alias_table): Add PTA_MOVBE to "atom".
19006         (override_options): Handle PTA_MOVBE.
19007
19008         * config/i386/i386.h (TARGET_MOVBE): New.
19009
19010         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
19011         (*bswapsi_movbe): New.
19012         (*bswapdi_movbe): Likewise.
19013         (bswapdi2): Renamed to ...
19014         (*bswapdi_1): This.
19015         (bswapdi2): New expander.
19016
19017         * config/i386/i386.opt (mmovbe): New.
19018
19019         * doc/invoke.texi: Document -mmovbe.
19020
19021 2009-05-21  Taras Glek  <tglek@mozilla.com>
19022
19023         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
19024         * gcc-plugin.h (plugin_init): Updated signature.
19025         * gcc-plugin.h (plugin_name_args): Moved to this header.
19026         * doc/plugins.texi (plugin_init): Updated documention to reflect
19027         API change.
19028         * doc/plugins.texi (plugin_name_args): Added to documention.
19029
19030 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
19031
19032         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
19033         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
19034
19035 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
19036
19037         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
19038         JUMP_TABLE_DATA_P predicates where applicable.
19039         * config/i386/predicates.md: Ditto.
19040         * config/i386/sse.md: Ditto.
19041
19042 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
19043
19044         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
19045         operand2 -128 override length_immediate attribute to 1.
19046         * config/i386/predicates.md (constm128_operand): New predicate.
19047
19048         * config/i386/i386.c (memory_address_length): Handle %r12
19049         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
19050         also check REGNO.
19051         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
19052         mode look through optional ZERO_EXTEND and SUBREG.
19053         * config/i386/i386.md (R12_REG): New define_constant.
19054         (prefix_data16): For sse unit set also for MODE_TI insns.
19055         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
19056         insns set if operand 1 is ext_QIreg_operand.
19057         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
19058         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
19059         immediate.
19060         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
19061         mode from MODE_DI to MODE_SI.
19062         (movdi_1_rex64): Override modrm and length_immediate attributes
19063         only for movabs (TYPE_IMOV, alternative 2).
19064         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
19065         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
19066         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
19067         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
19068         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
19069         prefix_rex attribute if DImode.
19070         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
19071         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
19072         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
19073         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
19074         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
19075         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
19076         Likewise.  For TYPE_IMOV clear length_immediate attribute.
19077         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
19078         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
19079         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
19080         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
19081         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
19082         or one operand TYPE_ISHIFT.
19083         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
19084         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
19085         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
19086         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
19087         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
19088         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
19089         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
19090         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
19091         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
19092         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
19093         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
19094         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
19095         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
19096         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
19097         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
19098         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
19099         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
19100         set mode attribute, don't override length attribute.
19101         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
19102         to 1.
19103         (return_internal_long): Set length attribute to 2 instead of 1.
19104         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
19105         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
19106         prefix_rex attribute.
19107         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
19108         New predicates.
19109         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
19110
19111 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19112
19113         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
19114
19115 2009-05-20  Ian Lance Taylor  <iant@google.com>
19116
19117         * tree.c (build_tree_list_vec_stat): New function.
19118         (ctor_to_vec): New function.
19119         (build_nt_call_vec): New function.
19120         (build_call_array): Change args to be a const pointer.
19121         (build_call_vec): New function.
19122         * tree.h (build_nt_call_vec): Declare.
19123         (build_tree_list_vec_stat): Declare.
19124         (build_tree_list_vec): Define.
19125         (build_call_array): Update declaration.
19126         (build_call_vec): Declare.
19127         (ctor_to_vec): Declare.
19128         * c-common.c (tree_vector_cache): New static variable.
19129         (make_tree_vector): New function.
19130         (release_tree_vector): New function.
19131         (make_tree_vector_single): New function.
19132         (make_tree_vector_copy): New function.
19133         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
19134         (make_tree_vector_single, make_tree_vector_copy): Declare.
19135         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
19136         (c_parser_expr_list): Don't manage cache here, instead call
19137         make_tree_vector.
19138         (c_parser_release_expr_list): Remove static function.
19139         (c_parser_vec_to_tree_list): Remove static function.
19140         (c_parser_attributes): Call build_tree_list_vec instead of
19141         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
19142         c_parser_release_expr_list.
19143         (c_parser_postfix_expression_after_primary): Likewise.
19144         (c_parser_objc_keywordexpr): Likewise.
19145
19146 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
19147
19148         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
19149         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
19150         TARGET_CONVERT_TO_TYPE.
19151         * hooks.c (hook_tree_const_tree_null): Define.
19152         * hooks.h (hook_tree_const_tree_null): Declare.
19153         * target.h (struct gcc_target):  Add invalid_parameter_type,
19154         invalid_return_type, promoted_type, and convert_to_type fields.
19155         * target-def.h (TARGET_INVALID_PARAMETER_TYPE): Define.
19156         (TARGET_INVALID_RETURN_TYPE): Define.
19157         (TARGET_PROMOTED_TYPE): Define.
19158         (TARGET_CONVERT_TO_TYPE): Define.
19159         (TARGET_INITIALIZER): Update for new fields.
19160         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
19161         (grokparms): Check targetm.invalid_parameter_type.
19162         * c-typeck.c (default_conversion): Check targetm.promoted_type.
19163         * c-convert.c (convert): Check targetm.convert_to_type.
19164
19165 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
19166
19167         * config/mips/mips.md (*extenddi_truncate<mode>,
19168         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
19169         defintions.
19170         (*extendhi_truncateqi): New define_insn_and_sptit.
19171
19172 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
19173
19174         PR middle-end/40204
19175         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
19176         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
19177
19178 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
19179
19180         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
19181         the operand of VIEW_CONVERT_EXPR.
19182
19183 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
19184
19185         * config/i386/driver-i386.c (host_detect_local_cpu): Check
19186         extended family and model for Intel processors.  Support Intel Atom.
19187
19188 2009-05-20  Olivier Hainque  <hainque@adacore.com>
19189
19190         * gstab.h (stab_code_type): Define, to be used instead of the
19191         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
19192         notice.
19193         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
19194         occurrences by stab_code_type.
19195         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
19196
19197 2009-05-20  Martin Jambor  <mjambor@suse.cz>
19198
19199         * tree-flow.h (insert_edge_copies_seq): Undeclare.
19200         (sra_insert_before): Likewise.
19201         (sra_insert_after): Likewise.
19202         (sra_init_cache): Likewise.
19203         (sra_type_can_be_decomposed_p): Likewise.
19204         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
19205         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
19206         (sra_insert_before): Likewise.
19207         (sra_insert_after): Likewise.
19208         (sra_init_cache): Likewise.
19209         (insert_edge_copies_seq): Made static and moved upwards.
19210
19211         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
19212         case.
19213
19214         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
19215
19216         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
19217         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
19218         simple copies.
19219
19220 2009-05-20  Richard Guenther  <rguenther@suse.de>
19221
19222         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
19223         with mismatched comparison modes.
19224
19225 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19226
19227         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
19228         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
19229         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
19230         with shifts for Thumb2.
19231         (orsi_notsi): New for orn.
19232         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
19233         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
19234         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
19235         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
19236         Don't invert remainder for IOR.
19237
19238 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
19239
19240         PR tree-optimization/40087
19241         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
19242         number_of_iterations_ne): Rename never_infinite argument.
19243         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
19244         number_of_iterations_le): Handle pointer-type ivs when
19245         exit_must_be_taken is false.
19246         (number_of_iterations_cond):  Do not always assume that
19247         exit_must_be_taken if the control variable is a pointer.
19248
19249 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19250
19251         * c-typeck.c (build_binary_op): Allow % on integal vectors.
19252         * doc/extend.texi (Vector Extension): Document that % is allowed too.
19253
19254 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
19255
19256         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
19257         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
19258
19259 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19260
19261         PR c/40172
19262         * c.opt (Wlogical-op): Disabled by default.
19263         * c-opt (c_common_post_options): Do not enable Wlogical-op with
19264         Wextra.
19265         * doc/invoke.texi (Wlogical-op): Likewise.
19266
19267 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
19268
19269         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
19270         into CASE_CONVERT.
19271         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
19272         Propagate the type of the first operand.
19273         <ASSERT_EXPR>: Simplify.
19274         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
19275         Rewrite using the RHS code as discriminant.
19276         <NOP_EXPR>: Turn into CASE_CONVERT.
19277         <PLUS_EXPR>: Propagate the type of the first operand.
19278
19279 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
19280
19281         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
19282         (ia64_dconst_0_375): New.
19283         * config/ia64/ia64.c (ia64_override_options): Remove
19284         -minline-sqrt-min-latency warning.
19285         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
19286         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
19287         * config/ia64/ia64.md (*sqrt_approx): Remove.
19288         (sqrtsf2): Remove #if 0.
19289         (sqrtsf2_internal_thr): Rewrite and move to div.md.
19290         (sqrtdf): Remove assert.
19291         (sqrtdf2_internal_thr): Rewrite and move to div.md.
19292         (sqrtxf2): Remove #if 0.
19293         (sqrtxf2_internal_thr): Rewrite and move to div.md.
19294         * div.md (sqrt_approx_rf): New.
19295         (sqrtsf2_internal_thr): New implementation.
19296         (sqrtsf2_internal_lat): New.
19297         (sqrtdf2_internal_thr: New implementation.
19298         (sqrtxf2_internal): New implementation.
19299
19300 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
19301             Hans-Peter Nilsson  <hp@axis.com>
19302
19303         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
19304         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
19305         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
19306         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
19307         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
19308         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
19309         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
19310         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
19311         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
19312         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
19313         * c-common.c: ...from here.
19314
19315 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19316
19317         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
19318
19319 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19320
19321         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
19322
19323 2009-05-19  Ben Elliston  <bje@au.ibm.com>
19324
19325         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
19326         assignments with memcpy calls.
19327         (add_fdes): Likewise.
19328         (binary_search_unencoded_fdes): Likewise.
19329         (linear_search_fdes): Eliminate type puns.
19330
19331 2009-05-19  Richard Guenther  <rguenther@suse.de>
19332
19333         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
19334         not falsely claim to have propagated into all uses.
19335
19336 2009-05-19  Ben Elliston  <bje@au.ibm.com>
19337
19338         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
19339         version to v3.0.
19340
19341 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
19342
19343         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
19344         * config/sh/sh.c (sh_legitimate_address_p): Make static.
19345         (TARGET_LEGITIMATE_ADDRESS_P): New.
19346         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19347         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
19348
19349 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
19350
19351         PR debug/40109
19352         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
19353         child of the containing namespace's DIE.
19354
19355 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
19356
19357         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
19358         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
19359         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
19360         extend patterns.
19361
19362 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
19363
19364         PR target/39942
19365         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
19366         gen_align with gen_pad.
19367         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
19368         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
19369
19370         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
19371         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
19372
19373         * config/i386/i386.md (align): Renamed to ...
19374         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
19375         ASM_OUTPUT_MAX_SKIP_PAD.
19376
19377 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
19378
19379         * config.gcc: Fix variable syntax.
19380
19381         PR target/39531
19382         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
19383         before calling exact_log2.
19384         (output_iorsi3): Likewise.
19385         (output_xorsi3): Likewise.
19386
19387 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
19388
19389         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
19390         for the none zero constant operand except for EQ and NE
19391         comprisons even when the first operand is R0.
19392
19393 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
19394
19395         * config/s390/2064.md: Remove trailing whitespaces.
19396         * config/s390/2084.md: Likewise.
19397         * config/s390/constraints.md: Likewise.
19398         * config/s390/fixdfdi.h: Likewise.
19399         * config/s390/libgcc-glibc.ver: Likewise.
19400         * config/s390/s390-modes.def: Likewise.
19401         * config/s390/s390-protos.h: Likewise.
19402         * config/s390/s390.c: Likewise.
19403         * config/s390/s390.h: Likewise.
19404         * config/s390/s390.md: Likewise.
19405         * config/s390/tpf-unwind.h: Likewise.
19406
19407 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
19408
19409         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
19410
19411 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
19412
19413         M68K TLS support.
19414         * configure.ac (m68k-*-*): Check if binutils support TLS.
19415         * configure: Regenerate.
19416         * config/m68k/predicates.md (symbolic_operand): Extend comment.
19417         * config/m68k/constraints.md (Cu): New constraint.
19418         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
19419         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
19420         (movsi): Handle TLS symbols.
19421         (addsi3_5200): Handle XTLS symbols, indent.
19422         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
19423         (m68k_tls_reference_p): Declare.
19424         (m68k_legitimize_address): Declare.
19425         (m68k_unwrap_symbol): Declare.
19426         * config/m68k/m68k.opt (mxtls): New option.
19427         * config/m68k/m68k.c (ggc.h): Include.
19428         (m68k_output_dwarf_dtprel): Implement hook.
19429         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
19430         (m68k_expand_prologue): Load GOT pointer when function needs it.
19431         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
19432         (m68k_legitimate_constant_address_p): Same.
19433         (m68k_decompose_address): Handle TLS references.
19434         (m68k_get_gp): New static function.
19435         (enum m68k_reloc): New contants.
19436         (TLS_RELOC_P): New macro.
19437         (m68k_wrap_symbol): New static function.
19438         (m68k_unwrap_symbol): New function.
19439         (m68k_final_prescan_insn_1): New static function.
19440         (m68k_final_prescan_insn): New function.
19441         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
19442         functions.
19443         (legitimize_pic_address): Handle TLS references..
19444         (m68k_tls_get_addr, m68k_get_tls_get_addr)
19445         (m68k_libcall_value_in_a0_p)
19446         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
19447         (m68k_call_m68k_read_tp): Helper variables and functions for ...
19448         (m68k_legitimize_tls_address): Handle TLS references.
19449         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
19450         New functions.
19451         (m68k_legitimize_address): Handle TLS symbols.
19452         (m68k_get_reloc_decoration): New static function.
19453         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
19454         UNSPEC_RELOC32.
19455         (m68k_output_dwarf_dtprel): Implement hook.
19456         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
19457         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
19458         m68k_call_* routines.
19459         (sched_attr_op_type): Handle TLS symbols.
19460         (gt-m68k.h): Include.
19461         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
19462         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
19463
19464 2009-05-18  Martin Jambor  <mjambor@suse.cz>
19465
19466         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
19467         (visit_store_addr_for_mod_analysis): New function.
19468         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
19469         (determine_cst_member_ptr): Use gimple_assign_single_p.
19470         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
19471         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
19472         operands.  Don't check number of operands of a NOP_EXPR.
19473
19474 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
19475
19476         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
19477
19478 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19479
19480         PR c/40172
19481         * c-common.c (warn_logical_operator): Don't warn if one of
19482         expression isn't always true or false.
19483
19484 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
19485
19486         * config/i386/biarch32.h: New file.
19487         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
19488
19489 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
19490
19491         * config/mips/mips.md (*zero_extend<mode>_trunchi,
19492         *zero_extend<mode>_truncqi): Merge these into ...
19493         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
19494         Name the pattern following this as *zero_extendhi_truncqi.
19495
19496 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
19497
19498         PR middle-end/39301
19499         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
19500         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
19501         (output_info): Make field HOST_WIDEST_INT.
19502         (print_statistics): Use HOST_WIDEST_INT_PRINT.
19503         (dump_bitmat_statistics): Same.
19504
19505 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
19506
19507         * config.gcc (use_gcc_stdint):  Set to wrap.
19508         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
19509         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
19510         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
19511         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
19512         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
19513         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
19514         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
19515         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
19516
19517 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
19518
19519         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
19520         tune_64.
19521         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
19522         Move definitions earlier.
19523         (OPT_ARCH64, OPT_ARCH32): Define.
19524         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
19525         and tune_64.
19526
19527 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
19528
19529         PR target/40153
19530         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
19531         implies.
19532
19533 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
19534
19535         * arm.md (movdi2): Copy non-reg values to DImode registers.
19536
19537 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
19538
19539         PR target/39942
19540         * final.c (label_to_max_skip): New function.
19541         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
19542         CODE_LABEL_NUMBER <= max_labelno.
19543         * output.h (label_to_max_skip): New prototype.
19544         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
19545         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
19546         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
19547         Handle CODE_LABELs with >= 16 byte alignment or with
19548         max_skip == (1 << align) - 1.
19549         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
19550         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
19551
19552         PR target/39942
19553         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
19554         .p2align 3 if MAX_SKIP is smaller than 7.
19555         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
19556
19557 2009-05-15  Ian Lance Taylor  <iant@google.com>
19558
19559         * alias.c (struct alias_set_entry_d): Rename from struct
19560         alias_set_entry.  Change all uses.
19561         * except.c (struct call_site_record_d): Rename from struct
19562         call_site_record.  Change all uses.
19563         * except.h (struct eh_region_d): Rename from struct eh_region.
19564         Change all uses.
19565         * gcse.c (struct hash_table_d): Rename from struct hash_table.
19566         Change all uses.
19567         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
19568         ivtype_map_elt.  Change all uses.
19569         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
19570         Change all uses.
19571         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
19572         * graphite.h (struct name_tree_d): Rename from struct name_tree.
19573         Change all uses.
19574         (struct sese_d): Rename from struct sese.  Change all uses.
19575         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
19576         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
19577         * optabs.h (struct optab_d): Rename from struct optab.  Change all
19578         uses.
19579         (struct convert_optab_d): Rename from struct convert_optab.
19580         Change all uses.
19581         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
19582         ipa_opt_pass.  Change all uses.
19583         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
19584         all uses.
19585
19586         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
19587         defined as a typedef.
19588         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
19589         defined as a tag.
19590
19591 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19592
19593         PR 16302
19594         * fold-const.c (make_range,build_range_check,merge_ranges): Move
19595         declaration to...
19596         (merge_ranges): Returns bool.
19597         * tree.h (make_range): .. to here.
19598         (build_range_check): Likewise.
19599         (merge_ranges): Likewise. Renamed from merge_ranges.
19600         * c-typeck.c (parser_build_binary_op): Update calls to
19601         warn_logical_operator.
19602         * c-common.c (warn_logical_operator): Add new warning.
19603         * c-common.h (warn_logical_operator): Update declaration.
19604
19605 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
19606
19607         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
19608
19609 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19610
19611         * doc/install.texi: Document MPC requirements, flags etc.
19612
19613         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
19614         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
19615         Evaluate constant arguments.
19616         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
19617         (fold_builtin_1): Likewise, also evaluate constant arguments.
19618         Remove superfluous break.
19619         (do_mpc_ckconv): New.
19620         * real.h: Include mpc.h.
19621         * toplev.c (print_version): Output MPC version info if available.
19622
19623 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
19624
19625         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
19626
19627 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
19628
19629         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
19630         only once.
19631
19632 2009-05-15  Jan Hubicka  <jh@suse.cz>
19633
19634         * doc/invoke.texi (max-early-inliner-iterations): New flag.
19635         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
19636         (try_inline): Fix return value.
19637         (cgraph_decide_inlining_incrementally): Honor new value.
19638         (cgraph_early_inlining): Handle indirect inlining.
19639         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
19640
19641 2009-05-15  Jan Hubicka  <jh@suse.cz>
19642
19643         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
19644         * cgraphunit.c (cgraph_finalize_function): Set it.
19645         (cgraph_expand_function): Use it.
19646
19647 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
19648
19649         * real.c (encode_ieee_half): Define.
19650         (decode_ieee_half): Define.
19651         (ieee_half_format): Define.
19652         (arm_half_format): Define.
19653         * real.h (ieee_half_format): Declare.
19654         (arm_half_format): Declare.
19655
19656 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
19657
19658         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
19659         swapped, and reversed optabs exist before trying to use them.
19660
19661 2009-05-15  Paul Brook  <paul@codesourcery.com>
19662             Sandra Loosemore  <sandra@codesourcery.com>
19663
19664         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
19665         loads.  Allow PRE_DEC.
19666         (output_move_neon): Handle PRE_DEC.
19667         (arm_print_operand): Add 'A' for neon structure loads.
19668         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
19669         * config/arm/neon.md (neon_mov): Update comment.
19670         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
19671         calls.
19672         (Um): New constraint.
19673
19674 2009-05-15  Jan Hubicka  <jh@suse.cz>
19675
19676         Revert the following patch until testsuite fallout is fixed:
19677         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
19678         * cgraph.h (struct inline_summary): New filed self_wize,
19679         size_inlining_benefit, self_time and time_inlining_benefit.
19680         (struct cgraph_global_info): Replace insns by time ans size fields.
19681         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
19682         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
19683         (ipcp_update_callgraph): Do not touch function bodies.
19684         * ipa-inline.c: Include except.h
19685         (MAX_TIME): New constant.
19686         (overall_insns): Remove
19687         (overall_size, max_benefit): New static variables.
19688         (cgraph_estimate_time_after_inlining): New function.
19689         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
19690         (cgraph_clone_inlined_nodes): Update size.
19691         (cgraph_mark_inline_edge): Update size.
19692         (cgraph_estimate_growth): Use size info.
19693         (cgraph_check_inline_limits): Check size.
19694         (cgraph_default_inline_p): Likewise.
19695         (cgraph_edge_badness): Compute badness based on benefit and size cost.
19696         (cgraph_decide_recursive_inlining): Check size.
19697         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
19698         and times.
19699         (cgraph_decide_inlining): Likewise.
19700         (cgraph_decide_inlining_incrementally): Likewise; honor
19701         PARAM_EARLY_INLINING_INSNS.
19702         (likely_eliminated_by_inlining_p): New predicate.
19703         (estimate_function_body_sizes): New function.
19704         (compute_inline_parameters): Use it.
19705         * except.c (must_not_throw_labels): New function.
19706         * except.h (must_not_throw_labels): Declare.
19707         * tree-inline.c (init_inline_once): Kill inlining_weigths
19708         * tree-ssa-structalias.c: Avoid uninitialized warning.
19709         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
19710         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
19711         (PARAM_INLINE_CALL_COST): Remove.
19712         (PARAM_EARLY_INLINING_INSNS): New.
19713
19714 2009-05-15  Richard Guenther  <rguenther@suse.de>
19715
19716         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
19717         not TODO_update_ssa.
19718
19719 2009-05-15  Richard Guenther  <rguenther@suse.de>
19720
19721         PR tree-optimization/39999
19722         * gimple.h (gimple_expr_type): Use the expression type looking
19723         through useless conversions.
19724         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
19725         (vn_nary_op_insert_stmt): Likewise.
19726         (simplify_binary_expression): Likewise.
19727
19728 2009-05-15  Richard Guenther  <rguenther@suse.de>
19729
19730         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
19731         New options, enabled by default.
19732         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
19733         Document.
19734         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
19735         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
19736         * tree-ssa-structalias.c (gate_tree_pta): New function.
19737         (pass_build_alias): Use it.
19738
19739 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
19740
19741         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
19742         recurse on an invariant address if a conversion from a pointer
19743         type to a wider integer type is involved.
19744
19745 2009-05-15  Jan Hubicka  <jh@suse.cz>
19746
19747         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
19748         * cgraph.h (struct inline_summary): New filed self_wize,
19749         size_inlining_benefit, self_time and time_inlining_benefit.
19750         (struct cgraph_global_info): Replace insns by time ans size fields.
19751         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
19752         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
19753         (ipcp_update_callgraph): Do not touch function bodies.
19754         * ipa-inline.c: Include except.h
19755         (MAX_TIME): New constant.
19756         (overall_insns): Remove
19757         (overall_size, max_benefit): New static variables.
19758         (cgraph_estimate_time_after_inlining): New function.
19759         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
19760         (cgraph_clone_inlined_nodes): Update size.
19761         (cgraph_mark_inline_edge): Update size.
19762         (cgraph_estimate_growth): Use size info.
19763         (cgraph_check_inline_limits): Check size.
19764         (cgraph_default_inline_p): Likewise.
19765         (cgraph_edge_badness): Compute badness based on benefit and size cost.
19766         (cgraph_decide_recursive_inlining): Check size.
19767         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
19768         and times.
19769         (cgraph_decide_inlining): Likewise.
19770         (cgraph_decide_inlining_incrementally): Likewise; honor
19771         PARAM_EARLY_INLINING_INSNS.
19772         (likely_eliminated_by_inlining_p): New predicate.
19773         (estimate_function_body_sizes): New function.
19774         (compute_inline_parameters): Use it.
19775         * except.c (must_not_throw_labels): New function.
19776         * except.h (must_not_throw_labels): Declare.
19777         * tree-inline.c (init_inline_once): Kill inlining_weigths
19778         * tree-ssa-structalias.c: Avoid uninitialized warning.
19779         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
19780         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
19781         (PARAM_INLINE_CALL_COST): Remove.
19782         (PARAM_EARLY_INLINING_INSNS): New.
19783         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
19784         (inline-call-cost): Remove.
19785         (early-inlining-insns): New.
19786
19787 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
19788
19789         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
19790         for bounds.
19791         (print_int_cst_bounds_in_octal_p): Likewise.
19792         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
19793         with subtypes.
19794         * dwarf2out.c (base_type_die): Likewise.
19795         (is_subrange_type): Delete.
19796         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
19797         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
19798         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
19799         if the destination type is boolean.
19800         (build_range_check): Do not special-case subtypes.
19801         (fold_sign_changed_comparison): Likewise.
19802         (fold_unary): Likewise.
19803         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
19804         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
19805         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
19806         * tree.c (subrange_type_for_debug_p): New predicate based on the
19807         former is_subrange_type.
19808         * tree.h (subrange_type_for_debug_p): Declare.
19809         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
19810         (convert_affine_scev): Remove call to above function.
19811         (chrec_convert_aggressive): Likewise.
19812         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
19813         false for conversions involving subtypes.
19814         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
19815         (vrp_val_min): Likewise.
19816         (needs_overflow_infinity): Likewise.
19817         (extract_range_from_unary_expr): Likewise.
19818
19819 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
19820
19821         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
19822         * config/frv/frv.c: Likewise.
19823         * config/s390/s390.c: Likewise.
19824         * config/sparc/sparc.h: Likewise.
19825         * config/i386/i386.h: Likewise.
19826         * config/i386/i386.c: Likewise.
19827         * config/crx/crx.c: Likewise.
19828         * config/m68hc11/m68hc11.h: Likewise.
19829         * config/iq2000/iq2000.c: Likewise.
19830         * config/mn10300/mn10300.h: Likewise.
19831         * config/mn10300/mn10300.c: Likewise.
19832         * config/m68k/m68k.c: Likewise.
19833         * config/rs6000/rs6000.c: Likewise.
19834         * config/rs6000/xcoff.h: Likewise.
19835         * config/rs6000/linux64.h: Likewise.
19836         * config/rs6000/sysv4.h: Likewise.
19837         * config/score/score3.c: Likewise.
19838         * config/score/score7.c: Likewise.
19839         * config/score/score.c: Likewise.
19840         * config/arm/arm.md: Likewise.
19841         * config/mips/mips.c: Likewise.
19842         * config/mips/mips.md: Likewise.
19843         * config/bfin/bfin.h: Likewise.
19844         * config/pa/pa.c: Likewise.
19845         * config/pa/constraints.md: Likewise.
19846
19847         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
19848         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
19849         * config/pdp11/pdp11.h: Use memory_address_p instead.
19850
19851 2009-05-14  Ian Lance Taylor  <iant@google.com>
19852
19853         * passes.c (finish_optimization_passes): Change i to int.
19854         * plugin.c (plugins_active_p): Change event to int.
19855         (dump_active_plugins): Likewise.
19856         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
19857         Add cast.
19858         * tree.c (tree_range_check_failed): Change c to unsigned int.
19859         (omp_clause_range_check_failed): Likewise.
19860         (build_common_builtin_nodes): Change mode to int.  Add cast.
19861         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
19862         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
19863
19864         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
19865         ++ or -- with a variable of enum type.
19866
19867 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
19868
19869         PR driver/40144
19870         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
19871
19872 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
19873
19874         * store-motion.c: Do not include params.h
19875         * Makefile.in: Fix dependencies for various files.
19876
19877 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
19878
19879         * auto-inc-dec.c: Fix pass description, remove apparent
19880         accidental duplication.
19881
19882 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
19883
19884         PR middle-end/40147
19885         * ipa-utils.h (memory_identifier_string): Moved to ...
19886         * tree.h (memory_identifier_string): Here.  Add GTY(()).
19887
19888 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
19889
19890         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
19891         in the former documentation of...
19892         (GO_IF_LEGITIMATE_ADDRESS): ... this.
19893         * ira-conflicts.c (get_dup_num): Use address_operand.
19894         * targhooks.c (default_legitimate_address_p): New.
19895         * targhooks.h (default_legitimate_address_p): New.
19896         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
19897         Call hook.
19898         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
19899         * target.h (struct target): Add legitimate_address_p.
19900         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
19901         (TARGET_INITIALIZER): Include it.
19902
19903         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19904         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
19905         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
19906         (TARGET_LEGITIMATE_ADDRESS_P): New.
19907
19908         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19909         (REG_OK_STRICT_P): Delete.
19910         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
19911         (frv_legitimate_address_p_1): ... this.
19912         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
19913         (frv_legitimate_address_p_1): ... the renamed old
19914         frv_legitimate_address_p.
19915         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
19916         (TARGET_LEGITIMATE_ADDRESS_P): New.
19917
19918         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19919         * config/s390/s390-protos.h (legitimate_address_p): Remove.
19920         * config/s390/s390.c (legitimate_address_p): Rename to...
19921         (s390_legitimate_address_p): ... this, make static.
19922         (legitimize_address): Adjust call.
19923         (TARGET_LEGITIMATE_ADDRESS_P): New.
19924         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
19925
19926         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19927         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
19928         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
19929         (TARGET_LEGITIMATE_ADDRESS_P): New.
19930
19931         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19932         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
19933         * config/spu/spu.c (spu_legitimate_address): Rename to...
19934         (spu_legitimate_address_p): ... this, make static.
19935         (TARGET_LEGITIMATE_ADDRESS_P): New.
19936
19937         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19938         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
19939         * config/sparc/sparc.c (legitimate_address_p): Rename to...
19940         (sparc_legitimate_address_p): ... this, make static and return bool.
19941         (legitimize_address): Adjust call.
19942         (TARGET_LEGITIMATE_ADDRESS_P): New.
19943
19944         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19945         * config/i386/i386-protos.h (legitimate_address_p): Remove.
19946         * config/i386/i386.c (legitimate_address_p): Rename to...
19947         (ix86_legitimate_address_p): ... this, make static.
19948         (constant_address_p): Move after it, adjust call.
19949         (TARGET_LEGITIMATE_ADDRESS_P): New.
19950
19951         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19952         * config/avr/avr-protos.h (legitimate_address_p): Remove.
19953         * config/avr/avr.c (legitimate_address_p): Rename to...
19954         (avr_legitimate_address_p): ... this, make static.
19955         (legitimize_address): Adjust call.
19956         (TARGET_LEGITIMATE_ADDRESS_P): New.
19957
19958         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19959         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
19960         * config/crx/crx.c (crx_legitimate_address_p): Make static.
19961         (TARGET_LEGITIMATE_ADDRESS_P): New.
19962
19963         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19964         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
19965         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
19966         (TARGET_LEGITIMATE_ADDRESS_P): New.
19967
19968         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19969         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
19970         Remove.
19971         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
19972         Make static.
19973         (TARGET_LEGITIMATE_ADDRESS_P): New.
19974
19975         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19976         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
19977         Remove.
19978         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
19979         Rename to...
19980         (m68hc11_legitimate_address_p): ... this, make static.
19981         (go_if_legitimate_address_internal): Rename to...
19982         (m68hc11_legitimate_address_p_1): ... this.
19983         (legitimize_address): Adjust call.
19984         (TARGET_LEGITIMATE_ADDRESS_P): New.
19985
19986         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19987         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
19988         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
19989         (TARGET_LEGITIMATE_ADDRESS_P): New.
19990
19991         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19992         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
19993         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
19994         (mn10300_legitimate_address_p): ... this, make static.
19995         (TARGET_LEGITIMATE_ADDRESS_P): New.
19996
19997         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
19998         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
19999         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
20000         (TARGET_LEGITIMATE_ADDRESS_P): New.
20001
20002         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20003         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
20004         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
20005         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20006         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
20007         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
20008         (rs6000_legitimate_address_p): ... this, make static.
20009         (TARGET_LEGITIMATE_ADDRESS_P): New.
20010         (REG_MODE_OK_FOR_BASE_P): Delete.
20011         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
20012
20013         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20014         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
20015         Delete.
20016         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
20017         static, adjust types.
20018         (TARGET_LEGITIMATE_ADDRESS_P): New.
20019
20020         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20021         * config/score/score.c (score_address_p): Rename to...
20022         (score_legitimate_address_p): ... this.
20023         (TARGET_LEGITIMATE_ADDRESS_P): New.
20024         * config/score/score3.c (score3_address_p): Rename to...
20025         (score3_legitimate_address_p): ... this.
20026         * config/score/score7.c (score7_address_p): Rename to...
20027         (score7_legitimate_address_p): ... this.
20028
20029         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
20030         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
20031         GO_IF_LEGITIMATE_ADDRESS): Delete.
20032         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
20033         thumb2_legitimate_address_p): Delete.
20034         (arm_legitimate_address_p): Rename to...
20035         (arm_legitimate_address_outer_p): ... this.
20036         * config/arm/constraints.md ("Uq"): Adjust call.
20037         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
20038         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
20039         to...
20040         (arm_legitimate_address_outer_p): ... this.
20041         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
20042         static.
20043         (TARGET_LEGITIMATE_ADDRESS_P): New.
20044
20045         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20046         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
20047         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
20048         (TARGET_LEGITIMATE_ADDRESS_P): New.
20049
20050         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20051         * config/vax/vax-protos.h (legitimate_address_p): Remove.
20052         * config/vax/vax.c (legitimate_address_p): Rename to...
20053         (vax_legitimate_address_p): ... this, make static.
20054         (TARGET_LEGITIMATE_ADDRESS_P): New.
20055
20056         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20057         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
20058         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
20059         (TARGET_LEGITIMATE_ADDRESS_P): New.
20060
20061         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20062         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
20063         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
20064         (mmix_legitimate_address_p): ... this, make static.
20065         (TARGET_LEGITIMATE_ADDRESS_P): New.
20066
20067         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
20068         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
20069         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
20070         (TARGET_LEGITIMATE_ADDRESS_P): New.
20071
20072 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
20073
20074         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
20075         of MODE_COMPLEX_INT.
20076
20077 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
20078
20079         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
20080         LCT_NORMAL in function call.
20081         * mips-tdump.c (print_file_desc): Add cast to enum type.
20082         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
20083         (mark_stabs): Add casts to enum types.
20084         (parse_stabs_common): Add casts to enum types.
20085
20086 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
20087
20088         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
20089         Check for invalid values of LETTER.
20090
20091 2009-05-13  Taras Glek  <tglek@mozilla.com>
20092
20093         * attribs.c (register_attribute): moved out attribute registration
20094         into register_attribute.
20095         * doc/plugins.texi: Documented register_attribute and
20096         PLUGIN_ATTRIBUTES.
20097         * gcc-plugin.h: Added forward decl for register_attribute.
20098         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
20099         * plugin.c (register_callback, invoke_plugin_callbacks): Added
20100         PLUGIN_ATTRIBUTES boilerplate.
20101
20102 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
20103
20104         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
20105         values even in sentinel and empty entries.
20106         (ms_printf_flag_specs):  Likewise.
20107         (ms_scanf_flag_specs):  Likewise.
20108         (ms_strftime_flag_specs):  Likewise.
20109         (ms_print_char_table):  Likewise.
20110         (ms_scan_char_table):  Likewise.
20111         (ms_time_char_table):  Likewise.
20112
20113 2009-05-13  Doug Kwan  <dougkwan@google.com>
20114
20115         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
20116
20117 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
20118
20119         * config/mips/mips.md (store): Add attributes for QI and HI.
20120         Update comment.
20121         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
20122         (truncdi<mode>2): ... this new pattern.
20123
20124 2009-05-13  Brad Hards  <bradh@kde.org>
20125
20126         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
20127
20128 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
20129             Ben Elliston <bje@au.ibm.com>
20130
20131         PR middle-end/40035
20132         * dse.c (check_mem_read_rtx): Guard against width == -1.
20133
20134 2009-05-13  Michael Matz  <matz@suse.de>
20135
20136         PR middle-end/39976
20137         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
20138         (trivially_conflicts_p): New function.
20139         (insert_backedge_copies): Use it.
20140
20141 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
20142
20143         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
20144         (handle_stdc_pragma): Use new enum constant names.
20145         (handle_pragma_float_const_decimal64): Ditto.
20146
20147 2009-05-13  Ian Lance Taylor  <iant@google.com>
20148
20149         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
20150         tree.def.
20151
20152 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
20153
20154         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
20155         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
20156         multilibs.
20157         * config/m68k/m68k.h (FL_UCLINUX): Define.
20158
20159 2009-05-13  Jan Hubicka  <jh@suse.cz>
20160
20161         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
20162
20163 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
20164
20165         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
20166         unless -fschedule-insns is specified.
20167
20168 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
20169
20170         PR target/39561
20171         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
20172         TARGET_EXPAND_CBRANCHDI4.
20173         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
20174         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
20175         (cmpeqdi): Fix comment.
20176
20177 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
20178
20179         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
20180         (sh_legitimate_address_p): Likewise.
20181         * config/sh/sh.c (sh_legitimate_index_p): New.
20182         (sh_legitimate_address_p): Likewise.
20183         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
20184         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
20185         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
20186         (MAYBE_BASE_REGISTER_RTX_P): New macro.
20187         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
20188         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
20189         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
20190         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
20191         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
20192
20193 2009-05-12  Jan Hubicka  <jh@suse.cz>
20194
20195         * tree-inline.c (estimate_operator_cost): Add operands;
20196         when division happens by constant, it is cheap.
20197         (estimate_num_insns): Loads and stores are not having cost of 0;
20198         EH magic stuff is cheap; when computing runtime cost of switch,
20199         use log2 base of amount of its cases; builtin_expect has cost of 0;
20200         compute cost for moving return value of call.
20201         (init_inline_once): Initialize time_based flags.
20202         * tree-inline.h (eni_weights_d): Add time_based flag.
20203
20204 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20205
20206         * df-core.c: Update head documentation.
20207
20208 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
20209
20210         PR bootstrap/40118
20211         * rs6000.c (rs6000_generate_compare): Use op1b instead of
20212         shadowing exisiting variable op1.
20213
20214 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
20215
20216         PR target/37179
20217         * config/i386/driver-i386.c (processor_signatures): New enum.
20218         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
20219         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
20220         processor signature to detect geode processor.
20221
20222 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20223
20224         Revert:
20225
20226         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20227
20228         * optabs.c (prepare_cmp_insn): Temporarily disable test that
20229         causes spurious differences between trunk and cond-optab branch.
20230
20231 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20232
20233         * dojump.c (compare_from_rtx): Delete.
20234         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
20235         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
20236         if the comparison does not satisfy the predicate; test predicates for
20237         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
20238         further if one existing pattern fails.
20239         * expr.h (compare_from_rtx): Delete.
20240         (prepare_operand): Declare it.
20241         * optabs.c: Change "lib call" to "libcall" throughout.
20242         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
20243         HAVE_conditional_trap, emit_cmp_insn): Delete.
20244         (can_compare_p): Delete cmp_optab case.
20245         (prepare_float_lib_cmp): Return an rtx and a machine mode.
20246         Accept other parameters by value.
20247         (prepare_operand): Make non-static.
20248         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
20249         other parameters by value.  Try to widen operands here based on
20250         an optab_methods argument and looking at cbranch_optab.
20251         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
20252         loop.  Use cbranch_optab directly.
20253         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
20254         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
20255         assertion.
20256         (emit_conditional_move, emit_conditional_add): Inline what's needed
20257         of compare_from_rtx, using new prepare_cmp_insn for the rest.
20258         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
20259         with COMPARE.  Move cmov_optab and cstore_optab above
20260         with cbranch_optab, move cmp_optab down with ucmp_optab,
20261         remove tst_otpab.  Do not initialize trap_rtx.
20262         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
20263         for trap code.  Do not check HAVE_conditional_trap.  Use
20264         prepare_cmp_insn.  Accept no predicate for operand 3.
20265         * optabs.h (OTI_cmp): Mark as used only for libcalls.
20266         (OTI_ctrap, ctrap_optab): New.
20267         (tst_optab): Delete.
20268         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
20269         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
20270         with lookup of ctrap_optab.
20271         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
20272         Delete.
20273         (ctrap_optab): New.
20274
20275         * combine.c (combine_simplify_rtx, simplify_set): Do not
20276         special case comparing against zero for cc0 machines.
20277         * simplify-rtx.c (simplify_binary_operation_1): Never remove
20278         COMPARE on cc0 machines.
20279         (simplify_relational_operation): Return a new expression when
20280         a COMPARE could be removed.
20281         * final.c (final_scan_insn): Compare cc_status values
20282         against LHS of a (compare FOO (const_int 0)) cc0 source.
20283         Also check if cc_status.value is the full compare.
20284
20285         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
20286         (cstoreMM4): Document.
20287         (conditional_trap): Document ctrapMM4 instead.
20288         (sync_compare_and_swapMM): Refer to cbranchcc4.
20289         (Dependent Patterns): Eliminate obsolete information referring to
20290         the old jump optimization phase.
20291         (Canonicalization): Include cbranchcc4 case, omit canonicalization
20292         of compares with 0 on cc0 machines.
20293         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
20294         avoiding references to cc0.  Remove text about storing operands
20295         in cmpMM.
20296         * doc/tm.texi (Condition Codes): Include blurb on different
20297         condition code representations, separate into subsections for
20298         CC0, MODE_CC and conditional execution.
20299
20300         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
20301         alpha_emit_setcc): Accept operands and a machine mode.
20302         * config/alpha/alpha.c (alpha_emit_conditional_branch):
20303         Get code/op0/op1 from operands, use machine mode argument
20304         instead of alpha_compare.fp_p.  Emit the branch here.
20305         (alpha_emit_setcc): Likewise, and return boolean.
20306         (alpha_emit_conditional_move): Likewise.  Assert that
20307         cmp_op_mode == cmp_mode, and simplify accordingly.
20308         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
20309         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
20310         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
20311         Delete.
20312         (stack probe test): Use cbranchdi4.
20313         * config/alpha/predicates.md (alpha_cbranch_operator): New.
20314
20315         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
20316         * config/arc/arc.h (movsicc, movsfcc): Use it.
20317         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
20318         (cbranchsi4, cstoresi4): New.
20319         (cmpsi, bCC and sCC expanders): Remove.
20320
20321         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
20322         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
20323         * config/arm/predicates.md (arm_comparison_operator): Only include
20324         floating-point operators if there is a hardware floating-point unit.
20325         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
20326         deferring to cbranch_cc and cstore_cc respectively.
20327         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
20328         cbranch_cc, cstore_cc): New.
20329         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
20330         arm_compare_op1.
20331         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
20332
20333         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
20334         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
20335         as an argument.
20336         (adjust_insn_length): Adjust calls.
20337         (avr_reorg): Handle (compare (foo) (const_int 0)).
20338         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
20339         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
20340         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
20341         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
20342         (bCC): Remove.
20343         (cbranchqi4, cbranchhi4, cbranchsi4): New.
20344         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
20345
20346         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
20347         (cbranchsi4, cstorebi4, cstoresi4): New.
20348         (movbisi): This insn is duplicate, split it to zero_extend.
20349         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
20350         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
20351         (bfin_optimize_loop): Use cbranch expander.
20352         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
20353         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
20354         (bfin_bimode_comparison_operator): ... this.
20355         (bfin_direct_comparison_operator): New.
20356
20357         * config/cris/cris.c (cris_normal_notice_update_cc): Look
20358         inside (compare FOO (const_int 0)).
20359         (cris_rtx_costs): Handle ZERO_EXTRACT.
20360         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
20361         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
20362         (*tstdi_v32): Delete.
20363         (*cmpdi_non_v32): Add M alternative for operand 1.
20364         (cmpsi, cmp<mode>): Make private.
20365         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
20366         with COMPARE.
20367         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
20368
20369         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
20370         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
20371         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
20372         (cc_reg_operand): New.
20373         (any_cond): Delete.
20374         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
20375         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
20376         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
20377         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
20378         crx_expand_scond): Delete.
20379
20380         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
20381         (cbranchsi4): New.
20382         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
20383         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
20384
20385         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
20386         cstoresi4, cstoresf4, cstoredf4): New.
20387         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
20388         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
20389         Receive the entire operands array.
20390         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
20391         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
20392         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
20393         Get test/op0/op1 from the operands array.
20394         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
20395
20396         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
20397         (h8300_expand_store): New.
20398         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
20399         (const_int 0)).
20400         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
20401         (h8300_expand_store): New.
20402         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
20403         or do not try to produce (set (cc0) REG).
20404         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
20405         change a compare into a move to a scratch register.  Disable some
20406         peepholes when comparing with zero.
20407         (tstsi, tsthi, tstsi, cmpqi): Make private.
20408         (cmphi): Delete.
20409         (bCC, sCC): Delete.
20410         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
20411         cstoresi4): New.
20412
20413         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
20414         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
20415         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
20416         (ix86_emit_i387_log1p): Use cbranchxf2.
20417         (ix86_expand_setcc): Return void.
20418         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
20419         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
20420         cmp<MODEF>, cmpcc): Remove.
20421         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
20422         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
20423         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
20424         (sCC and bCC expanders): Remove.
20425         (stack_protect_test): Use cbranchcc4.
20426
20427         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
20428         Delete.
20429         (ia64_expand_compare): Accept three rtx by reference and return void.
20430         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
20431         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
20432         from *expr.  Update *expr with the BImode comparison to do.
20433         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
20434         cmptf, bCC, sCC, conditional_trap): Delete.
20435         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
20436         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
20437         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
20438         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
20439         * config/ia64/predicates.md (ia64_cbranch_operator): New.
20440
20441         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
20442         type of last argument.
20443         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
20444         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
20445         use machine mode argument instead of branch_type.  Remove dead
20446         code for floating-point comparisons.
20447         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
20448         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
20449         Remove.
20450         (cbranchsi4, cstoresi4): New.
20451         * config/iq2000/predicates.md (reg_or_const_operand): New.
20452
20453         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
20454         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
20455         (b<code>_op): Rewrite to...
20456         (bcc_op): ... this, using match_operator.
20457         (s<code>_op): Rewrite to...
20458         (scc_op): ... this, using match_operator.
20459         (s<code>_24_op): Rewrite to...
20460         (scc_op_24): ... this, using match_operator.
20461         (s<code>_<mode>): Rewrite to...
20462         (cstore<mode>4): ... this, using match_operator.
20463         (s<code>_<mode>_24): Rewrite to...
20464         (cstore<mode>4_24): ... this, using match_operator.
20465         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
20466         m32c_unpend_compare, m32c_expand_scc): Delete.
20467         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
20468         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
20469         (m32c_expand_movcc): Change NE to EQ if necessary.
20470         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
20471
20472         * config/m32r/m32r-protos.h (gen_cond_store): New.
20473         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
20474         (gen_cond_store): New, from sCC patterns.
20475         (m32r_expand_block_move): Use cbranchsi4.
20476         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
20477         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
20478         (cbranchsi4, cstoresi4): New.
20479
20480         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
20481         Delete.
20482         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
20483         (m68hc11_notice_update_cc): Look into a compare with 0.
20484         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
20485         Delete.
20486         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
20487         cmphi, cmpqi, bCC): Delete.
20488         (cbranchsi4, cbranchhi4, cbranchqi4): New.
20489         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
20490         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
20491         sets with COMPARE.
20492
20493         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
20494         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
20495         * config/m68k/constraints.md (H): New.
20496         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
20497         the define_insn below.
20498         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
20499         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
20500         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
20501         patterns): Wrap RHS with COMPARE.
20502         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
20503         (*cmpdi_internal): Name this pattern.
20504         (cmpdi): Change to define_insn.
20505         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
20506         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
20507         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
20508         predicate.
20509         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
20510         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
20511         (conditional_trap): Change to...
20512         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
20513         (*conditional_trap): Use the ordered_comparison_operator and
20514         const1_operand predicates.
20515         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
20516         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
20517         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
20518         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
20519
20520         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
20521         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
20522         (mcore_gen_compare): New.
20523         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
20524         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
20525         (mcore_gen_compare): ... this.
20526         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
20527         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
20528         (stack probe pattern): Use cbranchsi4.
20529
20530         * config/mips/predicates.md (mips_cstore_operator): New.
20531         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
20532         * config/mips/mips.md (any_cond): Delete.
20533         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
20534         always succeed.
20535         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
20536         fixuns_truncsfdi2): Use cbranch patterns.
20537         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
20538         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
20539         Adjust call to mips_expand_conditional_branch.
20540         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
20541         cstore<GPR:mode>4.
20542         * config/mips/mips-protos.h (mips_expand_conditional_branch,
20543         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
20544         * config/mips/mips.c (cmp_operands): Delete.
20545         (mips_emit_compare): Get comparison operands from *op0/*op1.
20546         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
20547         that it succeeds.  Use op0/op1 instead of cmp_operands.
20548         (mips_expand_conditional_branch, mips_expand_conditional_move,
20549         mips_expand_conditional_trap): Likewise.
20550         (mips_block_move_loop): Use cbranch patterns.
20551         * config/mips/mips.h (cmp_operands): Delete.
20552
20553         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
20554         (mmix_gen_compare_reg): Just return a register in the right CC mode.
20555         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
20556         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
20557         (*cmpcc_folded): Rename to...
20558         (*cmpdi_folded): this.
20559         (*cmpcc): Rename to...
20560         (*cmps): ... this.
20561         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
20562         (bCC): Remove.
20563         (cbranchdi4): New.
20564         (cbranchdf4): New.  Handle invalid comparisons here.
20565         * config/mmix/predicates.md (float_comparison_operator): New.
20566
20567         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
20568         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
20569         * config/mn10300/mn10300.md (tst): Delete.
20570         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
20571         Name these patterns and wrap RHS in a compare.
20572         (*cmpsi): Make this pattern private.  Include tst.
20573         (*cmpsf): Make this pattern private.
20574         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
20575         (compare with zero peepholes): Likewise.
20576         (bCC): Remove.
20577         (cbranchsi4, cbranchsf4): New.
20578         (casesi): Use cbranchsi4.
20579
20580         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
20581         hppa_branch_type): Delete.
20582         (return_addr_rtx): Use cbranchsi4.
20583         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
20584         Emit CCFPmode comparison here.
20585         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
20586         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
20587         hppa_branch_type): Delete.
20588         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
20589         (movsicc, movdicc): Remove references to hppa_compare_op0,
20590         hppa_compare_op1 and compare_from_rtx.
20591         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
20592         (casesi): Use cbranchsi4.
20593
20594         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
20595         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
20596         * config/pdp11/pdp11.md (register_or_const0_operand): New.
20597         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
20598         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
20599         (bCC): Delete.
20600         (cbranchdf4, cbranchhi4, cbranchqi4): New.
20601         (*branch, *branch_inverted): New.
20602
20603         * config/picochip/picochip.md (cbranchhi4): Use
20604         ordered_comparison_operator.
20605         (cmphi, bCC): Remove.
20606
20607         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
20608         (trap_comparison_operator): Delete.
20609         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
20610         rs6000_emit_cbranch): Accept mode and operands.
20611         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
20612         rs6000_compare_fp_p): Delete.
20613         (rs6000_generate_compare): Accept mode and comparison.  Extract code
20614         and op0/op1 from there.  Replace references to rs6000_compare_op0
20615         and rs6000_compare_op1.
20616         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
20617         extract result from passed operands.
20618         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
20619         extract loc from passed operands.
20620         (rs6000_emit_cmove): Likewise.
20621         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
20622         rs6000_compare_fp_p): Delete.
20623         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
20624         (cbranch<GPR>4, cbranch<FP>4): New.
20625         (cstore<mode>4): New.  Consolidate here all choices about when to use
20626         portable or specialized sCC sequences.
20627         (stack_protect_test): Use cbranchsi4.
20628         (conditional_trap): Replace with ctrap<GPR>4.
20629         (conditional trap insn): Replace trap_comparison_operator with
20630         ordered_comparison_operator.
20631
20632         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
20633         (s390_emit_prologue): Use ctrap.
20634         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
20635         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
20636         New predicates replacing...
20637         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
20638         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
20639         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
20640         (add<mode>cc): Do not use s390_compare_op0/op1.
20641         (s<code>): Change to...
20642         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
20643         (seq): Change to...
20644         (cstorecc4): ... this.  Handle EQ or NE equally.
20645         (*sne): Un-privatize for use in cstorecc4.
20646         (b<code>): Change to...
20647         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
20648         (conditional_trap): Replace with...
20649         (ctrap<GPR>4, ctrap<FP>4): ... these.
20650         (stack_protect): Use cbranchcc4.
20651
20652         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
20653         * config/score/score-protos.h (score_gen_cmp): Delete.
20654         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
20655         (score_block_move-loop): Use cbranchsi4.
20656         * config/score/score.md (cbranchsi4): New.
20657         (cmpsi, bCC): Delete.
20658         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
20659         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
20660         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
20661         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
20662         * config/score/score3.h (score3_gen_cmp): Delete.
20663         * config/score/score7.h (score7_gen_cmp): Delete.
20664
20665         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
20666         (sh_emit_scc_to_t): ... this.  Return void.
20667         (from_compare): Rename to...
20668         (sh_emit_compare_and_branch): ... this.
20669         (sh_emit_compare_and_set): New.
20670         (sh_expand_t_scc): Accept operands.
20671         * config/sh/predicates.md (sh_float_comparison_operator): New.
20672         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
20673         (prepare_scc_operands): Rename to...
20674         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
20675         arguments.
20676         (sh_emit_cheap_store_flag): New.
20677         (sh_emit_set_t_insn): New.
20678         (from_compare): Rename to...
20679         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
20680         handling of TARGET_SH2E floating point to avoid recursive call.
20681         Generate branch here.
20682         (sh_emit_compare_and_set): New.
20683         (sh_expand_t_scc): Get op0/op1 from arguments.
20684         (sh_emit_cheap_store_flag): New.
20685         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
20686         cases.
20687         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
20688         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
20689         (movsicc, movdicc): Do nothing when it recreated operands from
20690         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
20691         prepare_scc_operands (now sh_emit_scc_to_t).
20692         (udivdi3): Use cstoresi4.
20693         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
20694         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
20695         (cbranchint4_media, cbranchfp4_media): New.
20696         (casesi): Use cbranchdi4.
20697         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
20698         Delete.
20699         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
20700         (movnegt): Remove second operand.
20701         (cbranchsf4, cbranchdf4): New.
20702         (stack_protect): Use cbranchdi4/cbranchsi4.
20703
20704         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
20705         (gen_compare_reg): Accept comparison, extract part of it to...
20706         (gen_compare_reg_1): ... this.
20707         (gen_compare_operator): Delete.
20708         (gen_v9_scc): Accept separate destination, comparison code and arms.
20709         Do not use sparc_compare_op0/sparc_compare_op1.
20710         (emit_scc_insn, emit_conditional_branch_insn): New.
20711         (emit_v9_brxx): Make static.  Remove useless assertion.
20712         (sparc_emit_float_lib_cmp): Return RTL instead of calling
20713         emit_cmp_insn.
20714         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
20715         * config/sparc/sparc-protos.h (gen_compare_reg,
20716         sparc_emit_float_lib_cmp): Adjust prototype.
20717         (emit_scc_insn, emit_conditional_branch_insn): New.
20718         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
20719         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
20720         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
20721         iterators to the top.
20722         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
20723         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
20724         snedi_special_trunc): Delete.
20725         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
20726         and snedi_special_trunc.
20727         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
20728         cbranchdi4, cbranch<F:mode>4): New.
20729         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
20730         here.  Use gen_compare_reg instead of gen_compare_operator.
20731         (conditional_trap): Replace with...
20732         (ctrapsi4, ctrapdi4): ... this.
20733         (stack_protect_test): Use cbranchcc4.
20734
20735         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
20736         argument to rtx.
20737         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
20738         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
20739         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
20740         from operands[0] or operands[3] depending on is_set.
20741         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
20742         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
20743         cmpdf, bCC), sCC: Remove.
20744         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
20745         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
20746         cstoredf4): New.
20747         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
20748         spu_emit_branch_or_set.
20749
20750         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
20751         Add two arguments.
20752         * config/stormy16/stormy16.h (xstormy16_compare_op0,
20753         xstormy16_compare_op1): Delete.
20754         * config/stormy16/stormy16.c (xstormy16_compare_op0,
20755         xstormy16_compare_op1): Delete.
20756         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
20757         Adjust calls.
20758         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
20759         (cmphi, cmpsi, bCC): Remove.
20760
20761         * config/v850/v850.md (tstsi, cmpsi): Fold into...
20762         (*cmpsi): ... this one.
20763         (cbranchsi4, cstoresi4): New.
20764         (bCC expanders): Delete.
20765         (sCC insns): Fold into...
20766         (*setcc): ... this one.
20767         (casesi): Do not use gen_cmpsi and gen_bgtu.
20768         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
20769         (movsicc): Simplify.
20770         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
20771
20772         * config/vax/vax-protos.h (cond_name): New.
20773         (vax_output_conditional_branch): Remove.
20774         * config/vax/vax.c (cond_name): New.
20775         (vax_output_conditional_branch): Remove.
20776         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
20777         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
20778         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
20779         (bit<VAXint>): Wrap source with (compare).
20780         (b<code> and following unnamed pattern): Rename to *branch and
20781         *branch_reversed.  Change macroization to match_operator.
20782         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
20783
20784         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
20785         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
20786         Change last argument to machine_mode.
20787         (xtensa_expand_scc): Add machine_mode argument.
20788         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
20789         (gen_conditional_move, xtensa_expand_conditional_branch,
20790         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
20791         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
20792         Adjust operand numbers.
20793         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
20794         Delete.
20795         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
20796         (cmpsi, cmpsf, b<code>, s<code>): Delete.
20797         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
20798
20799 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
20800
20801         * optabs.c (prepare_cmp_insn): Temporarily disable test that
20802         causes spurious differences between trunk and cond-optab branch.
20803
20804 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
20805
20806         PR target/37137
20807         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
20808
20809 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
20810
20811         * tree.c (iterative_hash_pointer): Delete.
20812         (iterative_hash_expr): Short-circuit handling of NULL pointer.
20813         Hash UIDs and versions of SSA names.  Don't special-case built-in
20814         function declarations.
20815
20816 2009-05-11  Ian Lance Taylor  <iant@google.com>
20817
20818         PR bootstrap/40103
20819         * graphite.c: Force -Wc++-compat to only be a warning before
20820         #including "cloog/cloog.h".
20821
20822 2009-05-11  Martin Jambor  <mjambor@suse.cz>
20823
20824         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
20825
20826 2009-05-11  Jan Hubicka  <jh@suse.cz>
20827
20828         * tree-ssa-loop-ivcanon.c: Include target.h
20829         (struct loop_size): new structure.
20830         (constant_after_peeling): New predicate.
20831         (tree_estimate_loop_size): New function.
20832         (estimated_unrolled_size): Rewrite for new estimates.
20833         (try_unroll_loop_completely): Use new estimates.
20834         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
20835
20836 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20837
20838         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
20839         libcpp interface change.
20840         (spu_macro_to_expand): Likewise.
20841
20842 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
20843
20844         PR tree-optimization/40026
20845         * gimplify.c (gimplify_init_constructor): Change initial conditional
20846         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
20847         optimize_compound_literals_in_ctor.
20848
20849 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
20850
20851         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
20852         New devices.
20853         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
20854
20855 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
20856
20857         * tree-vect-data-refs.c (vect_analyze_group_access): Use
20858         HOST_WIDE_INT for gap.
20859
20860 2009-05-11  Ira Rosen  <irar@il.ibm.com>
20861
20862         PR tree-optimization/40074
20863         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
20864         account in group size and step comparison.
20865
20866 2009-05-11  Richard Guenther  <rguenther@suse.de>
20867
20868         * passes.c (init_optimization_passes): Strip now incorrect comment.
20869         (execute_function_todo): Do not set PROP_alias.
20870         * tree-pass.h (PROP_alias): Remove.
20871         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
20872         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
20873         * tree-nrv.c (pass_return_slot): Likewise.
20874         * tree-object-size.c (pass_object_sizes): Likewise.
20875         * tree-ssa-dom.c (pass_dominator): Likewise.
20876         (pass_phi_only_cprop): Likewise.
20877         * tree-ssa-dse.c (pass_dse): Likewise.
20878         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
20879         (pass_cselim): Likewise.
20880         * tree-ssa-pre.c (pass_pre): Likewise.
20881         (pass_fre): Likewise.
20882         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
20883         * tree-ssa-sink.c (pass_sink_code): Likewise.
20884         * tree-stdarg.c (pass_stdarg): Likewise.
20885         * tree-tailcall.c (pass_tail_calls): Likewise.
20886         * tree-vrp.c (pass_vrp): Likewise.
20887
20888 2009-05-10  Ian Lance Taylor  <iant@google.com>
20889
20890         * basic-block.h (enum profile_status): Break out of struct
20891         control_flow_graph.
20892         * cgraph.h (struct inline_summary): Break out of struct
20893         cgraph_local_info.
20894         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
20895         of struct cgraph_order_sort.
20896         * combine.c (enum undo_kind): New enum, broken out of struct undo.
20897         * cse.c (struct branch_path): Break out of struct
20898         cse_basic_block_data.
20899         * except.h (enum eh_region_type): Break out of struct eh_region.
20900         * gcc.c (enum add_del): Break out of struct modify_target.
20901         * genrecog.c (enum decision_type): Break out of struct decision_test.
20902         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
20903         ggc_pch_data.
20904         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
20905         * regmove.c (enum match_use): New enum, broken out of struct match.
20906         * sched-int.h (enum post_call_group): New enum, broken out of
20907         struct deps.
20908         (struct deps_reg): Break out of struct deps.
20909         * target.h (struct asm_int_op): Break out of struct gcc_target.
20910         * tree-eh.c (struct goto_queue_node): Break out of struct
20911         leh_tf_state.
20912         * tree-inline.h (enum copy_body_cge_which): Break out of
20913         copy_body_data.
20914         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
20915
20916         * c-decl.c (in_struct, struct_types): New static variables.
20917         (pushtag): Add loc parameter.  Change all callers.
20918         (lookup_tag): Add ploc parameter.  Change all callers.
20919         (check_compound_literal_type): New function.
20920         (parser_xref_tag): Add loc parameter.  Change all callers.  If
20921         -Wc++-compat, warn about struct/union/enum types defined within a
20922         struct or union.
20923         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
20924         and loc parameters.  Change all callers.  Change error calls to
20925         error_at, using loc.  For a redefinition, if the location of the
20926         original definition is known, report it.  Set in_struct and
20927         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
20928         (finish_struct): Add new parameters enclosing_in_struct and
20929         enclosing_struct_types.  Change all callers.  Set
20930         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
20931         in the struct.  If in a struct, add this struct to struct_types.
20932         (start_enum): Add loc parameter.  Change all callers.  Use
20933         error_at for errors, using loc.  For a redefinition, if the
20934         location of the original definition is known, report it.  If in a
20935         struct, add this enum type to struct_types.  If -Wc++-compat warn
20936         if in sizeof, typeof, or alignof.
20937         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
20938         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
20939         (c_parser_enum_specifier): Get enum location for start_enum.
20940         (c_parser_struct_or_union_specifier): Get struct location for
20941         start_struct.  Save in_struct and struct_types status between
20942         start_struct and finish_struct.
20943         (c_parser_cast_expression): Get location of cast.
20944         (c_parser_alignof_expression): Get location of type.
20945         (c_parser_postfix_expression): Likewise.
20946         (c_parser_postfix_expression_after_paren_type): Add type_loc
20947         parameter.  Change all callers.  Call check_compound_literal_type.
20948         Use type_loc for error about variable size type.
20949         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
20950         of an enum constant from an enum type defined in a struct or union.
20951         (c_cast_expr): Add loc parameter.  Change all callers.  If
20952         -Wc++-compat, warn about defining a type in a cast.
20953         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
20954         (start_enum, start_struct, finish_struct): Update declarations.
20955         (parser_xref_tag, c_cast_expr): Update declarations.
20956         (check_compound_literal_type): Declare.
20957
20958 2009-05-11  Ben Elliston  <bje@au.ibm.com>
20959
20960         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
20961         for recent libcpp interface change.
20962         (rs6000_macro_to_expand): Likewise.
20963
20964 2009-05-10  Michael Matz  <matz@suse.de>
20965
20966         PR target/40031
20967         * config/arm/arm.c (require_pic_register): Emit on entry edge,
20968         not at entry of function.
20969
20970 2009-05-10  Richard Guenther  <rguenther@suse.de>
20971
20972         PR tree-optimization/40081
20973         Revert
20974         * tree-sra.c (instantiate_element): Instantiate scalar replacements
20975         using the main variant of the element type.  Do not fiddle with
20976         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
20977
20978         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
20979         structs with volatile fields.
20980
20981 2009-05-10  Jan Hubicka  <jh@suse.cz>
20982
20983         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
20984         (estimate_move_cost): Assert that it does not get called for
20985         VOID_TYPE_P.
20986         (estimate_num_insns): Skip VOID types in argument handling.
20987         (optimize_inline_calls): Delete unreachable blocks and verify that
20988         callgraph is valid.
20989
20990 2009-05-10  Jan Hubicka  <jh@suse.cz>
20991
20992         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
20993         * cgraph.c (cgraph_mark_address_taken_node): New function.
20994         (dump_cgraph_node): Dump new flag.
20995         * cgraph.h (struct cgraph_node): Add address_taken.
20996         (cgraph_mark_address_taken_node): New function.
20997         * ipa.c (cgraph_postorder): Prioritize functions with address taken
20998         since new direct calls can be born.
20999
21000 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
21001
21002         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
21003         tok->val.node.node.
21004
21005 2009-05-10  Jan Hubicka  <jh@suse.cz>
21006
21007         PR middle-end/40084
21008         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
21009         argument; rewrite.
21010         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
21011         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
21012         * tree-inline.c (copy_bb): Set frequency correctly.
21013         (fold_marked_statements): Update call to
21014         cgraph_update_edges_for_call_stmt.
21015
21016 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
21017
21018         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
21019         identifiers in diagnostics.
21020         * config/arm/arm.c (arm_handle_fndecl_attribute,
21021         arm_handle_isr_attribute): Likewise.
21022         * config/avr/avr.c (avr_handle_progmem_attribute,
21023         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
21024         * config/bfin/bfin.c (handle_int_attribute,
21025         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
21026         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
21027         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
21028         Likewise.
21029         * config/darwin.c (darwin_handle_kext_attribute,
21030         darwin_handle_weak_import_attribute): Likewise.
21031         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
21032         h8300_handle_eightbit_data_attribute,
21033         h8300_handle_tiny_data_attribute): Likewise.
21034         * config/i386/i386.c (ix86_handle_cconv_attribute,
21035         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
21036         * config/i386/winnt.c (ix86_handle_shared_attribute,
21037         ix86_handle_selectany_attribute): Likewise.
21038         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
21039         * config/m32c/m32c.c (function_vector_handler): Likewise.
21040         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
21041         m68hc11_handle_fntype_attribute): Likewise.
21042         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
21043         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
21044         * config/mips/mips.c (mips_insert_attributes,
21045         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
21046         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
21047         rs6000_handle_struct_attribute): Likewise.
21048         * config/sh/sh.c (sh_insert_attributes,
21049         sh_handle_resbank_handler_attribute,
21050         sh_handle_interrupt_handler_attribute,
21051         sh2a_handle_function_vector_handler_attribute,
21052         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
21053         Likewise.
21054         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
21055         * config/spu/spu.c (spu_handle_fndecl_attribute,
21056         spu_handle_vector_attribute): Likewise.
21057         * config/stormy16/stormy16.c
21058         (xstormy16_handle_interrupt_attribute): Likewise.
21059         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
21060         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
21061
21062 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
21063
21064         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
21065         (pp_translate_identifiers): New.
21066         (pp_identifier): Only conditionally translate identifier to locale
21067         character set.
21068         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
21069         (pp_base_tree_identifier): Only conditionally translate identifier
21070         to locale character set.
21071         * c-pretty-print.c (M_): Define.
21072         (pp_c_type_specifier, pp_c_primary_expression): Mark English
21073         fragments for conditional translation with M_.
21074         * tree-pretty-print.c (maybe_init_pretty_print): Disable
21075         identifier translation.
21076
21077 2009-05-10  Richard Guenther  <rguenther@suse.de>
21078
21079         PR tree-optimization/40081
21080         * tree-sra.c (instantiate_element): Instantiate scalar replacements
21081         using the main variant of the element type.  Do not fiddle with
21082         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
21083
21084 2009-05-09  Jan Hubicka  <jh@suse.cz>
21085
21086         PR middle-end/40080
21087         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
21088         indirect calls; verify cgraph afterwards.
21089
21090 2009-05-09  Jan Hubicka  <jh@suse.cz>
21091
21092         PR bootstrap/40082
21093         * ipa.c (update_inlined_to_pointer): New function.
21094         (cgraph_remove_unreachable_nodes): Use it.
21095
21096 2009-05-09  Jan Hubicka  <jh@suse.cz>
21097
21098         * tree-eh.c (struct leh_state): Remove prev_try.
21099         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
21100         not track prev_try.
21101         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
21102         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
21103         remove_eh_handler_and_replace, foreach_reachable_handler,
21104         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
21105         * except.h (struct eh_region): Remove eh_region_u_cleanup.
21106         (gen_eh_region_cleanup): Update prototype.
21107
21108 2009-05-09  Jan Hubicka  <jh@suse.cz>
21109
21110         PR middle-end/40043
21111         * except.c (copy_eh_region): Always set prev_try.
21112         (redirect_eh_edge_to_label): Find outer try.
21113         (foreach_reachable_handler): When looking for prev try
21114         handle case where previous try is not going to be taken.
21115
21116 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
21117
21118         PR tree-optimization/40049
21119         * tree-vect-stmts.c (vectorizable_operation): If the machine has
21120         only vector/vector shifts, convert the type of the constant to the
21121         appropriate type to avoid building incorrect trees, which
21122         eventually have problems with garbage collection.
21123
21124 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
21125
21126         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
21127         -1 for complex floating-point types if honoring signed zeros.
21128
21129 2009-05-08  Jan Hubicka  <jh@suse.cz>
21130
21131         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
21132         argument; handle correctly when profile is absent.
21133         (build_cgraph_edges): Update.
21134         (rebuild_cgraph_edges): Update.
21135         * cgraph.c: Do not include varray.h.
21136         (cgraph_set_call_stmt_including_clones): New function.
21137         (cgraph_create_edge_including_clones): Likewise
21138         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
21139         (cgraph_update_edges_for_call_stmt): Handle clones.
21140         (cgraph_remove_node): Handle clone tree.
21141         (cgraph_remove_node_and_inline_clones): New function.
21142         (dump_cgraph_node): Dump clone tree.
21143         (cgraph_clone_node): Handle clone tree.
21144         (clone_function_name): Bring here from tree-inline.c.
21145         (cgraph_create_virtual_clone): New function.
21146         * cgraph.h (ipa_replace_map): Move here from ipa.h.
21147         (cgraph_clone_info): New function.
21148         (strut cgraph_node): Add clone_info and new clone tree pointers.
21149         (cgraph_remove_node_and_inline_clones,
21150         cgraph_set_call_stmt_including_clones,
21151         cgraph_create_edge_including_clones,
21152         cgraph_create_virtual_clone): Declare.
21153         (cgraph_function_versioning): Use VEC argument.
21154         (compute_call_stmt_bb_frequency): Update prototype.
21155         (cgraph_materialize_all_clones): New function.
21156         * ipa-cp.c (ipcp_update_cloned_node): Remove.
21157         (ipcp_create_replace_map): Update to VECtors.
21158         (ipcp_update_callgraph): Use virtual clones.
21159         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
21160         (ipcp_update_profiling): Do not update local profiling.
21161         (ipcp_insert_stage): Use VECtors and virtual clones.
21162         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
21163         (clone_of_p): New function.
21164         (cgraph_preserve_function_body_p): Use clone tree.
21165         (cgraph_optimize): Materialize clones.
21166         (cgraph_function_versioning): Update for VECtors.
21167         (save_inline_function_body): Use clone tree.
21168         (cgraph_materialize_clone): New function.
21169         (cgraph_materialize_all_clones): Likewise.
21170         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
21171         * ipa.c: Include gimple.h.
21172         (cgraph_remove_unreachable_nodes): Use clone tree.
21173         * ipa-prop.c (ipa_note_param_call): Update call to
21174         compute_call_stmt_bb_frequencycall.
21175         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
21176         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
21177         (copy_bb): Handle updating of clone tree; add new edge when new call
21178         appears.
21179         (expand_call_inline): Be strict about every call having edge.
21180         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
21181         (delete_unreachable_blocks_update_callgraph): New function.
21182         (tree_function_versioning): Use VECtors; always remove unreachable
21183         blocks and fold conditionals.
21184         * tree-inline.h: Do not include varray.h.
21185         (tree_function_versioning): Remove.
21186         * Makefile.in (GTFILES): Remove tree-inline.c
21187         * passes.c (do_per_function): Do only functions having body.
21188         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
21189         tree.
21190
21191 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
21192             Andrew Morrow  <acm@google.com>
21193
21194         PR c/36892
21195         * c-common.c (c_common_attribute_table): Permit deprecated
21196         attribute to take an optional argument.
21197         (handle_deprecated_attribute): If the optional argument to
21198         __attribute__((deprecated)) is not a string ignore the attribute
21199         and emit a warning.
21200
21201         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
21202         * c-typeck.c (build_component_ref): Likewise.
21203         (build_external_ref): Likewise.
21204
21205         * toplev.c (warn_deprecated_use): Add an attribute argument.
21206         Emit the message associated with __attribute__((deprecated)).
21207
21208         * toplev.h (warn_deprecated_use): Updated.
21209
21210         * doc/extend.texi: Document new optional parameter to
21211         __attribute__((deprecated))
21212
21213 2009-05-08  Michael Eager <eager@eagercon.com>
21214
21215         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
21216         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
21217
21218 2009-05-08  Richard Guenther  <rguenther@suse.de>
21219
21220         PR tree-optimization/40062
21221         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
21222         Avoid exponential behavior.
21223
21224 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
21225
21226         PR rtl-optimization/33928
21227         PR 26854
21228         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
21229         process_uses, build_single_def_use_links): New.
21230         (update_df): Update use_def_ref.
21231         (forward_propagate_into): Use get_def_for_use instead of use-def
21232         chains.
21233         (fwprop_init): Call build_single_def_use_links and let it initialize
21234         dataflow.
21235         (fwprop_done): Free use_def_ref.
21236         (fwprop_addr): Eliminate duplicate call to df_set_flags.
21237         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
21238         df_rd_simulate_one_insn): New.
21239         (df_rd_bb_local_compute_process_def): Update head comment.
21240         (df_chain_create_bb): Use the new RD simulation functions.
21241         * df.h (df_rd_simulate_artificial_defs_at_top,
21242         df_rd_simulate_one_insn): New.
21243         * opts.c (decode_options): Enable fwprop at -O1.
21244         * doc/invoke.texi (-fforward-propagate): Document this.
21245
21246 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
21247
21248         PR c/24581
21249         * c-typeck.c (build_binary_op): Handle arithmetic between one real
21250         and one complex operand specially.
21251         * tree-complex.c (some_nonzerop): Do not identify a real value as
21252         zero if flag_signed_zeros.
21253
21254 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
21255
21256         PR rtl-optimization/33928
21257         * loop-invariant.c (record_use): Fix && vs. || mishap.
21258
21259 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
21260
21261         PR rtl-optimization/33928
21262         * loop-invariant.c (struct use): Add addr_use_p.
21263         (struct def): Add n_addr_uses.
21264         (struct invariant): Add cheap_address.
21265         (create_new_invariant): Set cheap_address.
21266         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
21267         (record_uses): Pass df_ref to record_use.
21268         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
21269         used only as such.
21270
21271 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
21272
21273         * config/sh/sh.c: Do not include c-pragma.h.
21274
21275 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21276
21277         * config/spu/spu.c: Remove include of c-common.h.
21278
21279 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
21280
21281         PR c/39037
21282         * c-common.h (mark_valid_location_for_stdc_pragma,
21283         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
21284         clear_float_const_decimal64, float_const_decimal64_p): New.
21285         * c.opt (Wunsuffixed-float-constants): New.
21286         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
21287         unsuffixed float constant, handle new warning.
21288         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
21289         * c-decl.c (c_scope): New flag float_const_decimal64.
21290         (set_float_const_decimal64, clear_float_const_decimal64,
21291         float_const_decimal64_p): New.
21292         (push_scope): Set new flag.
21293         * c-parser.c (c_parser_translation_unit): Mark when it's valid
21294         to use STDC pragmas.
21295         (c_parser_external_declaration): Ditto.
21296         (c_parser_compound_statement_nostart): Ditto.
21297         * c-pragma.c (valid_location_for_stdc_pragma,
21298         mark_valid_location_for_stdc_pragma,
21299         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
21300         handle_pragma_float_const_decimal64): New.
21301         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
21302         * cp/semantics.c (valid_location_for_stdc_pragma_p,
21303         set_float_const_decimal64, clear_float_const_decimal64,
21304         float_const_decimal64_p): New dummy functions.
21305         * doc/extend.texi (Decimal Float): Remove statement that the
21306         pragma, and suffix for double constants, are not supported.
21307         * doc/invoke.texi (Warning Options): List new option.
21308         (-Wunsuffixed-float-constants): New.
21309
21310 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
21311
21312         * config/i386/i386.c: Do not include c-common.h.
21313
21314 2009-05-07  Mark Heffernan  <meheff@google.com>
21315
21316         * doc/invoke.texi (Debugging Options): Document change of debugging
21317         dump location.
21318         * opts.c (decode_options): Make dump_base_name relative to
21319         aux_base_name directory.
21320
21321 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
21322
21323         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
21324         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
21325
21326 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
21327
21328         * Makefile.in (install-plugin): Simplify a bit.
21329
21330 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
21331
21332         * Makefile.in (OBJS-common): Add regcprop.o.
21333         (regcprop.o): New.
21334         * timevar.def (TV_CPROP_REGISTERS): New.
21335         * regrename.c (regrename_optimize): Return 0.
21336         (rest_of_handle_regrename): Delete.
21337         (pass_rename_registers): Point to regrename_optimize.
21338         (struct value_data_entry, struct value_data,
21339         kill_value_one_regno, kill_value_regno, kill_value,
21340         set_value_regno, init_value_data, kill_clobbered_value,
21341         kill_set_value, kill_autoinc_value, copy_value,
21342         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
21343         replace_oldest_value_reg, replace_oldest_value_addr,
21344         replace_oldest_value_mem, copyprop_hardreg_forward_1,
21345         debug_value_data, validate_value_data): Move...
21346         * regcprop.c: ... here.
21347         (rest_of_handle_cprop): Delete.
21348         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
21349
21350 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
21351
21352         PR middle-end/40057
21353         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
21354         GEN_INT for 1 << bitnum.
21355         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
21356         build_int_cst_type.
21357
21358 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
21359
21360         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
21361         Remove wrong description of "nand" operation.
21362
21363 2009-05-06  Richard Guenther  <rguenther@suse.de>
21364             Adam Nemet  <anemet@caviumnetworks.com>
21365
21366         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
21367         comment.  Add that if LHS is not a gimple register, then RHS1 has
21368         to be a single object (GIMPLE_SINGLE_RHS).
21369
21370 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
21371
21372         * expr.c (get_def_for_expr): Move it up in the file.
21373         (store_field): When expanding a bit-field store, look at the
21374         defining gimple stmt for the masking conversion.
21375
21376 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
21377
21378         PR middle-end/39986
21379         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
21380         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
21381         32-bit memcpy into long.
21382
21383 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
21384
21385         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
21386         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
21387         new_reg_loc_descr.
21388         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
21389         instead of appending DW_OP_deref*.
21390
21391 2009-05-06  Michael Matz  <matz@suse.de>
21392
21393         PR middle-end/40021
21394         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
21395         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
21396
21397 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
21398
21399         * Makefile.in (install-plugin): Fix srcdir handling.
21400
21401 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
21402
21403         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
21404         when processing for not_regs_needed bitmap.
21405         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
21406         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
21407         handling it for rhs.
21408
21409 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
21410
21411         * config/i386/i386.md (unnamed inc/dec peephole): Use
21412         optimize_insn_for_size_p instead of optimize_size.
21413         * config/i386/predicates.md (incdec_operand): Likewise.
21414         (aligned_operand): Likewise.
21415         * config/i386/sse.md (divv8sf3): Likewise.
21416         (sqrtv8sf2): Likewise.
21417
21418 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
21419
21420         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
21421
21422         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
21423
21424 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
21425
21426         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
21427         ssemodesuffixf2c with avxmodesuffixf2c.
21428
21429 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
21430
21431         PR c/40032
21432         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
21433
21434 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
21435
21436         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
21437         (struct tree_base): Adjust spacing for 8 bit boundaries.
21438         (struct tree_decl_common): Add decl_by_reference_flag bit.
21439         (DECL_BY_REFERENCE): Adjust.
21440         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
21441         print DECL_BY_REFERENCE bit.
21442         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
21443         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
21444         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
21445         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
21446         unconditionally.
21447
21448         PR middle-end/39666
21449         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
21450         range of the type, but default label is missing, add it with one
21451         of the existing labels instead of adding a new label for it.
21452
21453 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
21454
21455         * dwarf.h: Remove.
21456
21457 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
21458
21459         * Makefile.in (enable_plugin, plugin_includedir): New.
21460         (install): Depend on install-plugin.
21461         (PLUGIN_HEADERS): New.
21462         (install-plugin): New.
21463         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
21464
21465 2009-05-05  Richard Guenther  <rguenther@suse.de>
21466
21467         PR tree-optimization/40022
21468         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
21469         the only vuse.
21470         (phivn_valid_p): Fix tuplification error, simplify.
21471         (phiprop_insert_phi): Add dumps.
21472         (propagate_with_phi): Simplify.
21473
21474 2009-05-05  Richard Guenther  <rguenther@suse.de>
21475
21476         PR middle-end/40023
21477         * builtins.c (gimplify_va_arg_expr): Properly build the address.
21478
21479 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
21480
21481         * tree.h (strip_float_extensions): Remove duplicate declaration.
21482         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
21483         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
21484         block_ultimate_origin): Rearrange the declarations line to match the
21485         comment that indicates the .c file which the functions are defined.
21486         (dwarf2out_*, set_decl_rtl): Add comment.
21487         (get_base_address): Adjust comment.
21488         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
21489         declarations line and add comment.
21490         (is_builtin_name): Add blank after function name, for clarity.
21491
21492 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
21493
21494         * attribs.c (decl_attributes): Use %qE for identifiers in
21495         diagnostics.
21496         * cgraphunit.c (verify_cgraph_node): Translate function names to
21497         locale character set in diagnostics.
21498         * coverage.c (get_coverage_counts): Use %qE for identifiers in
21499         diagnostics.
21500         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
21501         Document that functions are named in UTF-8.
21502         * expr.c (expand_expr_real_1): Translate function names to locale
21503         character set in diagnostics.
21504         * gimplify.c (omp_notice_variable, omp_is_private,
21505         gimplify_scan_omp_clauses): Use %qE for identifiers in
21506         diagnostics.
21507         * langhooks.c (lhd_print_error_function): Translate function names
21508         to locale character set.
21509         * langhooks.h (decl_printable_name): Document that return value is
21510         in internal character set.
21511         * stmt.c: Include pretty-print.h
21512         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
21513         diagnostics.
21514         (resolve_operand_name_1): Translate named operand name to locale
21515         character set.
21516         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
21517         diagnostics.
21518         * toplev.c (announce_function): Translate function names to locale
21519         character set.
21520         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
21521         (default_tree_printer): Use pp_identifier or translate identifiers
21522         to locale character set.  Mark "<anonymous>" for translation.
21523         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
21524         for identifiers in diagnostics.
21525         * tree.c (handle_dll_attribute): Use %qE for identifiers in
21526         diagnostics.
21527         * varasm.c (output_constructor): Use %qE for identifiers in
21528         diagnostics.
21529
21530 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
21531
21532         * configure.ac: use ` ` instead of $()
21533         * configure: Regenerate.
21534
21535 2009-05-05  Ben Elliston  <bje@au.ibm.com>
21536
21537         * config/pa/linux-atomic.c: Eliminate conditional include of
21538         errno.h on non-LP64 systems to simplify build requirements.
21539
21540 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
21541
21542         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
21543         diagnostics.
21544         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
21545         and pass value to identifier_to_locale.
21546         (warn_variable_length_array): Make name a tree.
21547         (grokdeclarator): Separate diagnostic texts for named and unnamed
21548         declarators.  Use %qE for named declarators.
21549         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
21550         diagnostics.
21551         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
21552         identifiers in diagnostics.
21553         * c-typeck.c (push_member_name, start_init): Pass identifiers to
21554         identifier_to_locale.  Mark "anonymous" strings for translation.
21555
21556 2009-05-04  Michael Eager <eager@eagercon.com>
21557
21558         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
21559         address for DImode/DFmode only if double-precision FP regs.
21560
21561 2009-05-04  Michael Eager <eager@eagercon.com>
21562
21563         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
21564         TARGET_SINGLE_FLOAT check.
21565
21566 2009-05-04  Michael Eager <eager@eagercon.com>
21567
21568         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
21569
21570 2009-05-04  Michael Eager <eager@eagercon.com>
21571
21572         * gcc/config.gcc (powerpc-xilinx-eabi*): Add tm t-xilinx
21573         * config/rs6000/t-xilinx: New
21574
21575 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
21576
21577         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
21578         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
21579         * gcc/explow.c (memory_address): Use target hook.
21580         * gcc/targhooks.c (default_legitimize_address): New.
21581         * gcc/targhooks.h (default_legitimize_address): New.
21582         * gcc/target.h (legitimize_address): New.
21583         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
21584         (TARGET_INITIALIZER): Include it.
21585         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
21586
21587         * config/bfin/bfin-protos.h (legitimize_address): Remove.
21588         * config/bfin/bfin.c (legitimize_address): Remove.
21589         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
21590         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
21591         Remove.
21592         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
21593         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
21594
21595         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
21596         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
21597         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
21598         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
21599         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
21600         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
21601         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
21602         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
21603         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
21604         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
21605         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
21606         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
21607         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
21608         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
21609         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
21610         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
21611         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
21612         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
21613         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
21614         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
21615         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
21616         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
21617         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
21618
21619         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
21620         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
21621         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
21622         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
21623         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
21624         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
21625         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
21626         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
21627         (thumb_legitimize_address): Delete.
21628         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
21629         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
21630         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
21631         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
21632         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
21633         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
21634         Delete.
21635         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
21636         Delete.
21637
21638         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
21639         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
21640         * config/m32r/m32r.c (m32r_legitimize_address): New.
21641         * config/m68k/m68k.c (m68k_legitimize_address): New.
21642         * config/score/score.c (score_legitimize_address): Standardize.
21643         * config/score/score3.c (score3_legitimize_address): Standardize.
21644         * config/score/score3.h (score3_legitimize_address): Adjust.
21645         * config/score/score7.c (score7_legitimize_address): Standardize.
21646         * config/score/score7.h (score7_legitimize_address): Adjust.
21647         * config/sh/sh.c (sh_legitimize_address): New.
21648         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
21649
21650         * gcc/config/s390/s390.c (legitimize_address): Rename to...
21651         (s390_legitimize_address): ... this.
21652         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
21653         (sparc_legitimize_address): ... this.
21654         * gcc/config/i386/i386.c (legitimize_address): Rename to...
21655         (ix86_legitimize_address): ... this.
21656         * gcc/config/avr/avr.c (legitimize_address): Rename to...
21657         (avr_legitimize_address): ... this.
21658         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
21659         (mn10300_legitimize_address): ... this.
21660         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
21661         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
21662         (alpha_expand_mov): Adjust call.
21663
21664         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
21665         * config/spu/spu.c (spu_legitimize_address): Likewise.
21666         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
21667         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
21668
21669 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
21670
21671         * intl.c (locale_encoding, locale_utf8): New.
21672         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
21673         * intl.h (locale_encoding, locale_utf8): Declare.
21674         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
21675         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
21676         New.
21677         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
21678         argument.
21679         (pp_tree_identifier): Define to call pp_base_tree_identifier.
21680         (pp_base_tree_identifier): Declare as function.
21681         (identifier_to_locale): Declare.
21682         * Makefile.in (pretty-print.o): Update dependencies.
21683         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
21684
21685 2009-05-04  Richard Guenther  <rguenther@suse.de>
21686
21687         PR middle-end/40015
21688         * builtins.c (fold_builtin_memory_op): Do not decay to element
21689         type if the size matches the whole array.
21690
21691 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
21692
21693         * expmed.c (synth_mult): When trying out a shift, pass the result
21694         of a signed shift.
21695
21696 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
21697
21698         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
21699         (shiftsub1_cost): New.
21700         (init_expmed): Compute shiftsub1_cost.
21701         (synth_mult): Optimize multiplications by constants of the form
21702         -(2^^m-1) for some constant positive integer m.
21703
21704 2009-05-03  Richard Guenther  <rguenther@suse.de>
21705
21706         PR c/39983
21707         * c-typeck.c (array_to_pointer_conversion): Do not built
21708         ADDR_EXPRs of arrays of pointer-to-element type.
21709         * c-gimplify.c (c_gimplify_expr): Revert change fixing
21710         up wrong ADDR_EXPRs after-the-fact.
21711         * c-common.c (strict_aliasing_warning): Strip pointer
21712         conversions for obtaining the original type.
21713         * builtins.c (fold_builtin_memset): Handle array types.
21714         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
21715         and array types
21716
21717 2009-05-03  Richard Guenther  <rguenther@suse.de>
21718
21719         PR middle-end/23329
21720         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
21721         Do not lose casts from array types with unknown extent to array
21722         types with known extent.
21723         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
21724         alias set compatibility.
21725
21726 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21727
21728         * flags.h (extra_warnings): Delete.
21729         * toplev.c (process_options): Handle Wuninitialized here.
21730         * opts.c (extra_warnings): Delete.
21731         (set_Wextra): Delete.
21732         (common_handle_option): -Wextra can be handled automatically.
21733         * c-opts.c (c_common_handle_option): Delete obsolete code.
21734         (c_common_post_options): Simplify comment.
21735         * common.opt (W): Add Var.
21736         (Wextra): Add Var.
21737         (Wuninitialized): Initialize to -1.
21738
21739 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
21740             Richard Guenther  <rguenther@suse.de>
21741
21742         * expr.c (get_def_for_expr): New function.
21743         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
21744         SSA rather than trees.
21745         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
21746         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
21747
21748 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
21749
21750         * c-common.c (reswords): Add _Imaginary.
21751         * c-common.c (enum rid): Add RID_IMAGINARY.
21752
21753 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
21754
21755         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
21756         Patch by Richard Guenther.
21757
21758 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
21759
21760         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
21761         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
21762         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
21763         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
21764         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
21765         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
21766         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
21767         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
21768         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
21769         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
21770         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
21771         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
21772         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
21773         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
21774         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
21775         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
21776         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
21777         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
21778
21779 2009-05-02  Richard Guenther  <rguenther@suse.de>
21780
21781         PR tree-optimization/39940
21782         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
21783         doing so.
21784
21785 2009-05-02  Richard Guenther  <rguenther@suse.de>
21786
21787         PR middle-end/40001
21788         * tree-ssa.c (execute_update_addresses_taken): Properly check
21789         if we can mark a variable DECL_GIMPLE_REG_P.
21790         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
21791         back to the end of the function.
21792         (is_gimple_reg_type): Remove complex type special casing.
21793         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
21794         if not optimizing.
21795
21796 2009-05-02  Ben Elliston  <bje@au.ibm.com>
21797
21798         * doc/collect2.texi (Collect2): Document search path behaviour
21799         when configured with --with-ld.
21800
21801 2009-05-02  Jan Hubicka  <jh@suse.cz>
21802
21803         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
21804         parameter; update callers.
21805         (coalesce_cost_edge): EH edges are costier because they needs
21806         splitting even if not critical and even more costier when there are
21807         multiple EH predecestors.
21808
21809 2009-05-02  Jan Hubicka  <jh@suse.cz>
21810
21811         * except.c (remove_eh_handler_and_replace): Handle updating after
21812         removing TRY blocks.
21813
21814 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
21815
21816         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
21817
21818 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
21819
21820         * varasm.c: Do not include c-pragma.h.
21821         * attribs.c: Do not incude c-common.h.
21822
21823 2009-05-01  Michael Matz  <matz@suse.de>
21824
21825         * calls.c (initialize_argument_information): Handle SSA names like
21826         decls with a non MEM_P DECL_RTL.
21827
21828 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
21829
21830         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
21831         * ipa-utils.c: Likewise.
21832         * ipa-type-escape.c: Likewise.
21833         * cgraphunit.c Do not include c-common.h.
21834         * ipa-pure-const.c: Likewise.
21835         * tree-if-conv.c: Likewise.
21836         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
21837         * ipa-struct-reorg.c: Likewise.
21838         * tree-nomudflap.c: Likewise.
21839         * tree-ssa-structalias.c: Likewise.
21840
21841 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
21842
21843         * store-motion.c: Many cleanups to make this pass a first-class
21844         citizen instead of an appendix to gcse load motion.  Add TODO list
21845         to make this pass faster/cleaner/better.
21846
21847         (struct ls_expr): Post gcse.c-split cleanups.
21848         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
21849         "stores" field to "avail_stores".
21850         (pre_ldst_mems): Rename to store_motion_mems.
21851         (pre_ldst_table): Rename to store_motion_mems_table.
21852         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
21853         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
21854         (ldst_entry): Rename to st_expr_entry, update users.
21855         (free_ldst_entry): Rename to free_st_expr_entry, update users.
21856         (free_ldst_mems): Rename to free_store_motion_mems, update users.
21857         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
21858         update caller.
21859         (first_ls_expr): Rename to first_st_expr, update users.
21860         (next_ls_expr): Rename to next_st_expr, update users.
21861         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
21862         fields properly for store motion instead of names inherited from load
21863         motion in gcse.c.
21864         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
21865         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
21866         are done with it.
21867
21868         (ae_kill): Rename to st_kill, update users.
21869         (ae_gen): Rename to st_avloc, update users.
21870         (transp): Rename to st_transp, update users.
21871         (pre_insert_map): Rename to st_insert_map, update users.
21872         (pre_delete_map): Rename to st_delete_map, update users.
21873         (insert_store, build_store_vectors, free_store_memory,
21874         one_store_motion_pass): Update for abovementioned changes.
21875
21876         (gcse_subst_count, gcse_create_count): Remove.
21877         (one_store_motion_pass): New statistics counters "n_stores_deleted"
21878         and "n_stores_created", local variables.
21879
21880         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
21881         use for_each_rtx.
21882
21883         (regvec, compute_store_table_current_insn): Remove.
21884         (reg_set_info, reg_clear_last_set): Remove.
21885         (compute_store_table): Use DF caches instead of local dataflow
21886         solvers.
21887
21888 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
21889
21890         * c-objc-common.c (c_tree_printer): Print identifiers with
21891         pp_identifier, not pp_string.  Mark "({anonymous})" for
21892         translation.
21893         * c-pretty-print.c (pp_c_ws_string): New.
21894         (pp_c_cv_qualifier, pp_c_type_specifier,
21895         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
21896         pp_c_storage_class_specifier, pp_c_function_specifier,
21897         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
21898         pp_c_primary_expression, pp_c_postfix_expression,
21899         pp_c_unary_expression, pp_c_shift_expression,
21900         pp_c_relational_expression, pp_c_equality_expression,
21901         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
21902         use pp_string and pp_c_ws_string in place of pp_identifier and
21903         pp_c_identifier for non-identifiers.  Mark English strings for
21904         translation.
21905         * c-pretty-print.h (pp_c_ws_string): Declare.
21906
21907 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
21908             Roland McGrath <roland@redhat.com>
21909
21910         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
21911         (ENABLE_LD_BUILDID): New configuration option.
21912         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
21913         (LINK_BUILDID_SPEC): New macro.
21914         (init_spec): If defined, prepend it between LINK_EH_SPEC and
21915         link_spec.
21916         * doc/install.texi: Document --enable-linker-build-id option.
21917         * configure: Rebuild.
21918         * config.in: Rebuild.
21919
21920 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
21921
21922         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
21923         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
21924         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
21925         MIPS_GP_SAVE_AREA_SIZE.
21926         * config/mips/mips.c (struct mips_frame_info): Update comment
21927         before arg_pointer_offset and hard_frame_pointer_offset.
21928         (mips_compute_frame_info): Update diagram before function: to
21929         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
21930         indicate the position of frame_pointer_rtx with -fstack-protector and
21931         to show args_size.  Don't allocate cprestore area for leaf functions
21932         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
21933         cprestore_size.
21934         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
21935
21936 2009-04-30  Michael Matz  <matz@suse.de>
21937
21938         PR tree-optimization/39955
21939         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
21940
21941 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
21942
21943         * ira.c (setup_cover_and_important_classes):  Use safe macro
21944         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
21945         directly.
21946         * genpreds.c (write_tm_preds_h):  Output suitable definition of
21947         REG_CLASS_FOR_CONSTRAINT.
21948
21949 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
21950
21951         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
21952         instead of an int.
21953         * bitmap.c (bitmap_descriptor): Likewise.
21954         * ggc-common.c (loc_descriptor): Likewise.
21955         * varray.c (varray_descriptor): Likewise.
21956         * vec.c (vec_descriptor): Likewise.
21957
21958 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
21959
21960         * Makefile.in (dce.o): Add $(EXCEPT_H).
21961         * dce.c: Include except.h and delete redundant vector definitions.
21962         (deletable_insn_p): Return false for non-call insns that can throw
21963         if DF is running.
21964
21965 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
21966
21967         * gcse.c (ae_gen): Remove.
21968         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
21969         and make non-static function to make it available in store-motion.c.
21970         Update call sites with search-and-replace.
21971         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
21972         extract_mentioned_regs, extract_mentioned_regs_helper,
21973         find_moveable_store, compute_store_table, load_kills_store, find_loads,
21974         store_killed_in_insn, store_killed_after, store_killed_before,
21975         build_store_vectors, insert_insn_start_basic_block, insert-store,
21976         remove_reachable_equiv_notes, replace_store_insn, delete_store,
21977         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
21978         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
21979         * store-motion.c: ...new file.  Also copy data structures from gcse.c
21980         and clean up to remove parts not used by store motion.
21981         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
21982         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
21983
21984 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
21985
21986         PR target/38571
21987         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
21988         when optimizing for size.
21989
21990 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
21991
21992         * gcse.c (gcse_constant_p): Fix typo in last change.
21993
21994 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
21995
21996         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
21997
21998 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
21999
22000         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
22001
22002 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
22003
22004         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
22005         CONST_HIGH_PART result.
22006
22007 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
22008
22009         * config/avr/avr.c (initial_elimination_offset): Rename to
22010         avr_initial_elimination_offset.
22011         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
22012         change return type to bool.
22013         (avr_can_eliminate): New function.
22014         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
22015         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
22016         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
22017         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
22018         avr_initial_elimination_offset.
22019         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
22020         (avr_initial_elimination_offset): Define.
22021
22022 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
22023             Steven Bosscher  <steven@gcc.gnu.org>
22024
22025         PR rtl-optimization/39938
22026         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
22027         * cfgrtl.c: Include insn-attr.h.
22028         (rest_of_pass_free_cfg): New function.
22029         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
22030         * resource.c (init_resource_info): Remove call to df_analyze.
22031
22032 2009-04-29  Richard Guenther  <rguenther@suse.de>
22033
22034         PR target/39943
22035         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
22036         allow conversion to signed integers.
22037
22038 2009-04-29  Richard Guenther  <rguenther@suse.de>
22039
22040         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
22041         shifts of floating point vectors if the shift amount is
22042         a constant multiple of the element size.
22043
22044 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
22045             Michael Matz  <matz@suse.de>
22046
22047         PR middle-end/39927
22048         PR bootstrap/39929
22049         * tree-outof-ssa.c (emit_partition_copy): New function.
22050         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
22051         insert_part_to_rtx_on_edge): Perform the partition base var
22052         copy using emit_partition_copy.
22053         (insert_value_copy_on_edge): Convert constants to the right mode.
22054         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
22055         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
22056
22057 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22058
22059         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
22060         scan backwards to try to find a constant to initialize it.
22061
22062         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
22063         insn before the loop_end instruction, don't look past labels.
22064
22065 2009-04-29  Richard Guenther  <rguenther@suse.de>
22066
22067         PR middle-end/39937
22068         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22069         loose type conversions.
22070         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
22071         stmts only if there are no uses of its definition.
22072
22073 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22074
22075         * config/bfin/bfin.h (splitting_loops): Declare.
22076         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
22077         Reorder bit definitions to be ascending.
22078         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
22079         * config/bfin/bfin.c (splitting_loops): New variable.
22080         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
22081         (struct loop_info): Remove members INIT and LOOP_INIT.
22082         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
22083         the LSETUP sequence.  Allow LC to be loaded from any register, but
22084         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
22085         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
22086         set to 1.
22087         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
22088         of reload_completed.
22089
22090         From Jie Zhang:
22091         * config/bfin/bfin.md (movsi_insn): Refine constraints.
22092
22093 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
22094
22095         * Makefile.in (PLUGIN_VERSION_H): New.
22096         (OBJS-common): Remove plugin-version.o.
22097         (plugin.o): Depend on (PLUGIN_VERSION_H).
22098         (plugin-version.o): Remove.
22099         * configure: Regenerate
22100         * configure.ac: Create plugin-version.h.
22101         * gcc-plugin.h (plugin_gcc_version): Remove.
22102         (plugin_default_version_check): Change signature.
22103         * plugin-version.c: Remove.
22104         * plugin.c: Include plugin-version.h.
22105         (str_plugin_gcc_version_name): Remove.
22106         (try_init_one_plugin): Pass gcc version to plugin_init.
22107         (plugin_default_version_check): Both gcc and plugin versions are now
22108         arguments.
22109
22110 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22111
22112         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
22113         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
22114         Remove special case testing for last insn of inner loops. Don't fail
22115         if the loop ends with a jump, emit an extra nop instead.
22116
22117         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
22118         DREGS rather than comparing directly.  Remove code that tries to
22119         account for latencies.
22120
22121 2009-04-29  Richard Guenther  <rguenther@suse.de>
22122
22123         PR tree-optimization/39941
22124         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
22125         eliminating an indirect call.
22126
22127 2009-04-29  Richard Guenther  <rguenther@suse.de>
22128
22129         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
22130         parameter.  Allow invariants as base if !require_lvalue.
22131         (verify_gimple_assign_single): Adjust.
22132
22133 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
22134
22135         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
22136         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
22137         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
22138         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
22139         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
22140         a VEC_SELECT.
22141         * config/bfin/bfin.c (bfin_expand_builtin,
22142         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
22143
22144 2009-04-28  Richard Guenther  <rguenther@suse.de>
22145
22146         * tree-vect-loop.c (get_initial_def_for_induction): Use
22147         correct types for pointer increment.
22148
22149 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22150
22151         * toplev.c (print_version): Update GMP version string calculation.
22152
22153 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
22154
22155         PR rtl-optimization/39938
22156         * resource.c (init_resource_info): Add call to df_analyze.
22157
22158 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22159
22160         * config/alpha/alpha.md (usegp): Cast the result of
22161         alpha_find_lo_sum_using_gp to enum attr_usegp.
22162         * config/alpha/alpha.c (override_options): Remove end-of-structure
22163         marker element from cpu_table.  Use array size of cpu_table to handle
22164         -mcpu and -mtune options.
22165         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
22166
22167 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
22168
22169         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
22170         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
22171         tune_32 and tune_64.
22172         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
22173         support on PowerPC.
22174         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
22175         * config/rs6000/option-defaults.h: ... here.  New file.
22176         (OPT_64, OPT_32): Define.
22177         (MASK_64BIT): Define to 0 if not already defined.
22178         (OPT_ARCH64, OPT_ARCH32): Define.
22179         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
22180         and tune_64.
22181
22182 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22183
22184         * config/arm/arm.c (arm_override_options): Emit error on using
22185         fpa with AAPCS.
22186
22187 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22188
22189         PR rtl-optimization/39914
22190         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
22191         registers for allocnos created from user-defined variables only
22192         when not optimizing.
22193
22194 2009-04-28  Richard Guenther  <rguenther@suse.de>
22195
22196         PR middle-end/39937
22197         * fold-const.c (fold_binary): Use distribute_real_division only
22198         on float types.
22199
22200 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
22201
22202         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
22203         add hpux-stdint.h to tm_file.
22204         (hppa[12]*-*-hpux11*): Ditto.
22205         (ia64*-*-hpux*): Ditto.
22206         * config/hpux-stdint.h: New.
22207         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
22208         __STDC_EXT__ for all compiles.
22209         * config/pa/pa-hpux.h: Ditto.
22210         * config/pa/pa-hpux10.h: Ditto.
22211         * config/pa/pa-hpux11.h: Ditto.
22212
22213 2009-04-28  Catherine Moore  <clm@codesourcery.com>
22214
22215         * debug.h (set_name): Add comment.
22216
22217 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
22218
22219         PR target/39929
22220         * config/darwin.c (machopic_gen_offset): Check
22221         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
22222         * config/arm/arm.c (require_pic_register): Likewise.
22223
22224 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
22225
22226         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
22227         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
22228         m32c_promote_prototypes): Delete.
22229
22230 2009-04-28  Michael Matz  <matz@suse.de>
22231
22232         PR middle-end/39922
22233         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
22234         constants.
22235
22236 2009-04-28  Richard Guenther  <rguenther@suse.de>
22237
22238         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
22239
22240 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22241
22242         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
22243         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
22244         * config/arm/arm-tune.md: Regenerate.
22245
22246 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
22247
22248         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
22249         block if there are complex incoming edges.
22250         (sel_merge_blocks): Remove useless assert.
22251         (sel_redirect_edge_and_branch): Check that edge was redirected.
22252         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
22253         (sel_find_rgns): Delete declaration.
22254         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
22255         the region when it is not a preheader.
22256
22257 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22258
22259         PR c/39323
22260         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
22261
22262 2009-04-28  Richard Guenther  <rguenther@suse.de>
22263
22264         * tree.h (SSA_NAME_VALUE): Remove.
22265         (struct tree_ssa_name): Remove value_handle member.
22266         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
22267         array for jump threading.
22268         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
22269         SSA_NAME_VALUEs.
22270         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
22271         * tree-flow.h (threadedge_initialize_values): Declare.
22272         (threadedge_finalize_values): Likewise.
22273         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
22274         (SSA_NAME_VALUE): Define.
22275         (threadedge_initialize_values): New function.
22276         (threadedge_finalize_values): Likewise.
22277         * tree-ssa-dom.c (ssa_name_values): New global variable.
22278         (SSA_NAME_VALUE): Define.
22279         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
22280
22281 2009-04-28  Ira Rosen  <irar@il.ibm.com>
22282
22283         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
22284         Use REPORT_VECTORIZED_LOCATIONS instead
22285         REPORT_VECTORIZED_LOOPS.
22286         * tree-vectorizer.c (vect_verbosity_level): Make static.
22287         (vect_loop_location): Rename to vect_location.
22288         (vect_set_verbosity_level): Update comment.
22289         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
22290         and vect_location.
22291         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
22292         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
22293         instead REPORT_UNVECTORIZED_LOOPS.
22294         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
22295         and vect_loop_def to vect_external_def and vect_internal_def.
22296         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
22297         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
22298         REPORT_UNVECTORIZED_LOCATIONS.
22299         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
22300         and vect_used_in_loop and to vect_unused_in_scope and
22301         vect_used_in_scope.
22302         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
22303         (vect_verbosity_level): Remove declaration.
22304         (vect_analyze_operations): Likewise.
22305         (vect_analyze_stmt): Declare.
22306         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
22307         REPORT_UNVECTORIZED_LOCATIONS.
22308         (vect_get_loop_niters): Fix indentation.
22309         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
22310         (vect_analyze_loop_operations): New function.
22311         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
22312         vect_analyze_operations.
22313         (vect_is_simple_reduction): Use new names.
22314         (vectorizable_live_operation, vect_transform_loop): Likewise.
22315         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
22316         to specify whether the data references can be a part of interleaving
22317         chain.
22318         (vect_analyze_data_ref_dependence): Use new names.
22319         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
22320         (vect_create_addr_base_for_vector_ref): Remove redundant code.
22321         * tree-vect-patterns.c (widened_name_p): Use new names.
22322         (vect_recog_dot_prod_pattern): Likewise.
22323         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
22324         (process_use, vect_mark_stmts_to_be_vectorized,
22325         vect_model_simple_cost, vect_model_store_cost,
22326         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
22327         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
22328         vectorizable_operation, vectorizable_type_demotion,
22329         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
22330         vectorizable_condition): Likewise.
22331         (vect_analyze_operations): Split into vect_analyze_loop_operations
22332         and ...
22333         (vect_analyze_stmt): ... new function.
22334         (new_stmt_vec_info): Use new names.
22335         (vect_is_simple_use): Use new names and fix comment.
22336         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
22337         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
22338
22339 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
22340
22341         PR target/39911
22342         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
22343         and integer modes for x87 operands.  Do not ICE for unsupported size,
22344         generate error instead.  Generate error for unsupported operand types.
22345         ['z']: Do not handle HImode memory operands specially.  Warning
22346         for floating-point operands.  Fallthru to 'Z' for unsupported operand
22347         types.  Do not ICE for unsupported size, generate error instead.
22348         (output_387_binary_op): Use %Z to output operands.
22349         (output_fp_compare): Ditto.
22350         (output_387_reg_move): Ditto.
22351
22352 2009-04-28  Ben Elliston  <bje@au.ibm.com>
22353
22354         PR c++/35652
22355         Revert:
22356
22357         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22358
22359         * builtins.c (c_strlen): Do not warn here.
22360         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
22361         * c-common.c (pointer_int_sum): Take an explicit location.
22362         Warn about offsets out of bounds.
22363         * c-common.h (pointer_int_sum): Adjust declaration.
22364
22365 2009-04-27  Ian Lance Taylor  <iant@google.com>
22366
22367         * collect2.c (is_ctor_dtor): Change type of ret field in struct
22368         names to symkind.
22369         * dce.c (run_fast_df_dce): Change type of old_flags to int.
22370         * df-core.c (df_set_flags): Change return type to int.  Change
22371         type of old_flags to int.
22372         (df_clear_flags): Likewise.
22373         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
22374         (df_get_conditional_uses): Likewise.
22375         * df.h (df_set_flags, df_clear_flags): Update declarations.
22376         * dwarf2out.c (struct indirect_string_node): Change type of form
22377         field to enum dwarf_form.
22378         (AT_string_form): Change return type to enum dwarf_form.
22379         * fixed-value.c (fixed_compare): Add cast to enum type.
22380         * fwprop.c (update_df): Change 0 to VOIDmode.
22381         * gensupport.c: Change 0 to UNKNOWN.
22382         * gimple.h (gimple_cond_code): Add cast to enum type.
22383         * haifa-sched.c (reemit_notes): Add cast to enum type.
22384         * hooks.c (hook_int_void_no_regs): Remove function.
22385         * hooks.h (hook_int_void_no_regs): Remove declaration.
22386         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
22387         * predict.c (combine_predictions_for_insn): Add casts to enum type.
22388         * real.c (real_arithmetic): Add cast to enum type.
22389         (real_compare): Likewise.
22390         * target.h (struct gcc_target): Change return type of
22391         branch_target_register_class to enum reg_class.
22392         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
22393         default_branch_target_register_class.
22394         * targhooks.c (default_branch_target_register_class): New function.
22395         * targhooks.h (default_branch_target_register_class): Declare.
22396         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
22397         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
22398         cast to int.
22399         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
22400         ERROR_MARK.
22401         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
22402         vect_uninitialized_def.  Change 0 to ERROR_MARK.
22403         * tree-vect-stmts.c (supportable_widening_operation): Don't
22404         initialize icode1 and icode2.
22405         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
22406         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
22407         and to STD_C89.
22408         (cmn_err_flag_specs): Change 0 to STD_C89.
22409         (cmn_err_char_table): Likewise.
22410         * config/arm/arm.c (get_arm_condition_code): Change type of code
22411         to enum arm_cond_code.
22412         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
22413         (IWMMXT_BUILTIN2): Likewise.
22414         (neon_builtin_type_bits): Don't define typedef.
22415         (neon_builtin_datum): Change type of bits field to int.
22416         (arm_expand_neon_args): Add cast to enum type.
22417         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
22418         TLS_MODEL_NONE.
22419         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
22420         casts to enum type.
22421         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
22422         MIPS_FP_COND_f.
22423         * config/mips/mips.md (jal_macro): Return enum constant.
22424         (single_insn): Likewise.
22425         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
22426         CODE_FOR_nothing.
22427         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
22428         casts to enum type.
22429         * config/s390/s390.c (s390_tune_flags): Change type to int.
22430         (s390_arch_flags): Likewise.
22431         (s390_handle_arch_option): Change flags field of struct pta to int.
22432         * config/s390/s390.h (s390_tune_flags): Update declaration.
22433         (s390_arch_flags): Likewise.
22434         * config/sh/sh.c (prepare_move_operands): Compare
22435         tls_symbolic_operand result with enum constant.
22436         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
22437         (sh_expand_prologue): Add cast to enum type.
22438         (sh_expand_epilogue): Likewise.
22439         (tls_symbolic_operand): Change return type to enum tls_model.
22440         (fpscr_set_from_mem): Add cast to enum type.
22441         (legitimize_pic_address): Compare tls_symbolic_operand result with
22442         enum constant.
22443         (sh_target_reg_class): Change return type to enum reg_class.
22444         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
22445         PROCESSOR_xxx.
22446         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
22447         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
22448         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
22449         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
22450         (delayed_branch, tls_call_delay): Likewise.
22451         (eligible_for_sibcall_delay): Likewise.
22452         (eligible_for_return_delay): Likewise.
22453         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
22454         (spu_expand_builtin_1): Likewise.
22455
22456         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
22457         for all types of conversions.
22458         (output_init_element): Issue -Wc++-compat warning if needed when
22459         initializing a bitfield with enum type.
22460         * c-parser.c (c_parser_expression): Set original_type to
22461         original_type of right hand operand of comma operator.
22462
22463 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22464
22465         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
22466         grammar nits.
22467         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
22468         * doc/cpp.texi (Standard Predefined Macros)
22469         (Implementation-defined behavior): Likewise.
22470         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
22471         * doc/gimple.texi (GIMPLE Exception Handling)
22472         (@code{GIMPLE_ASSIGN}): Likewise.
22473         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
22474         * doc/invoke.texi (Warning Options, Optimize Options)
22475         (AVR Options, Darwin Options): Likewise.
22476         (Optimize Options): Reformulate -fwhole-program description.
22477         * doc/loop.texi (Lambda): Likewise.
22478         * doc/md.texi (Output Template, Define Constraints)
22479         (Standard Names, Insn Splitting): Likewise.
22480         * doc/options.texi (Option properties): Likewise.
22481         * doc/passes.texi (Tree-SSA passes): Likewise.
22482         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
22483         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
22484         (File Names and DBX): Likewise.
22485         * doc/trouble.texi (Incompatibilities): Likewise.
22486
22487 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22488
22489         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
22490         instruction is correct.
22491
22492 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22493
22494         Allow non-constant arguments to conversion intrinsics.
22495         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
22496         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
22497         * spu.c (print_operand): Handle 'v' and 'w'.
22498         (exp2_immediate_p, spu_gen_exp2): Define.
22499         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
22500         spu_convtf_1): Update parameter descriptions.
22501         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
22502         * constraints.md ('v', 'w'): New.
22503         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
22504         Remove.
22505         (i2f, I2F): New define_mode_attr.
22506         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
22507         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
22508         fixuns_truncv4sfv4si2):  Update to use mode attribute.
22509         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
22510         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
22511         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
22512         patterns for combine.
22513
22514 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
22515
22516         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
22517         (cprop, hoist, pre, store_motion): New debug counters.
22518         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
22519         is not an RTL pass anymore.
22520         (pass_profiling): Remove extern decl for pass removed in 2005.
22521         (pass_gcse, pass_jump_bypass): Remove.
22522         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
22523         to 0 for clean state.
22524         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
22525         * cse.c (gate_handle_cse_after_global_opts,
22526         rest_of_handle_cse_after_global_opts): New functions.
22527         (pass_cse_after_global_opts): New pass, does local CSE.
22528         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
22529         (TV_CPROP): New timevar.
22530         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
22531         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
22532         (gcse_main, recompute_all_luids): Remove.
22533         (compute_hash_table_work): Call max_reg_num instead of reading
22534         max_gcse_regno.
22535         (cprop_jump): Don't set run_jump_opt_after_gcse.
22536         (constprop_register): Always allow to alter jumps.
22537         (cprop_insn): Likewise.
22538         (do_local_cprop): Likewise.
22539         (local_cprop_pass): Likewise.  Return non-zero if something changed.
22540         (cprop): Remove function, fold interesting bits into one_cprop_pass.
22541         (find_implicit_sets): Add note about missed optimization opportunity.
22542         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
22543         pass_rtl_cprop execute function.
22544         Don't bother tracking the pass number, each pass gets its own dumpfile
22545         now anyway.
22546         Always allow to alter jumpsand bypass jumps.
22547         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
22548         will just find no suitable set.
22549         (pre_edge_insert): Fix dumping, this function is for PRE only.
22550         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
22551         pass_rtl_pre execute function.
22552         (hoist_code): Return non-zero if something changed.  Keep track of
22553         substitutions and insertions for statistics gathering similar to PRE.
22554         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
22555         called from the pass_rtl_hoist execute function.  Show pass statistics.
22556         (compute_store_table): Use max_reg_num directly instead of using the
22557         formerly global max_gcse_regno.
22558         (build_store_vectors): Likewise.
22559         (replace_store_insn): Fix dumping.
22560         (store_motion): Rename to ...
22561         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
22562         pass, called from the pass_rtl_store_motion execute function.  Keep
22563         track of substitutions and insertions for statistics gathering similar
22564         to PRE.
22565         (bypass_jumps): Remove, fold interesting bits into ...
22566         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
22567         from the pass_rtl_cprop execute function.
22568         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
22569         pass_jump_bypass): Remove.
22570         (gate_handle_gcse, rest_of_handle_gcse): Remove.
22571         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
22572         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
22573         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
22574         (gate_rtl_store_motion, execute_rtl_store_motion,
22575         pass_rtl_store_motion): New.
22576         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
22577         make it clear that -fcse-skip-blocks is a no-op for backward compat.
22578         * passes.c (init_optimization_passes): Remove pass_gcse and
22579         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
22580         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
22581         instead of pass_jump_bypass.
22582
22583 2009-04-27  Richard Guenther  <rguenther@suse.de>
22584
22585         PR middle-end/39928
22586         * gimplify.c (gimplify_expr): If we are required to create
22587         a temporary make sure it ends up as register.
22588
22589 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
22590
22591         PR target/39903
22592         * config/i386/i386.c (construct_container): Don't call
22593         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
22594         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
22595
22596 2009-04-27  Michael Matz  <matz@suse.de>
22597
22598         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
22599         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
22600         * tree-ssa-live.h (find_replaceable_exprs): Return a bitmap.
22601         (dump_replaceable_exprs): Take a bitmap.
22602         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
22603         array.
22604         (expand_gimple_basic_block): Likewise.
22605         * tree-ssa-ter.c (struct temp_expr_table_d): Make
22606         replaceable_expressions member a bitmap.
22607         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
22608         (mark_replaceable): Likewise.
22609         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
22610         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
22611
22612 2009-04-27  Richard Guenther  <rguenther@suse.de>
22613
22614         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
22615         (verify_stmts): Dispatch to gimple/type verification code.
22616         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
22617         issue with call argument types.
22618
22619 2009-04-27  Michael Matz  <matz@suse.de>
22620
22621         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
22622         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
22623         to above.
22624
22625 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
22626             Eric Botcazou  <ebotcazou@adacore.com>
22627
22628         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
22629         a label's basic block.
22630         (mark_target_live_regs): Tidy and rework obsolete comments.
22631         Change back DF problem to LIVE.  If a label starts a basic block,
22632         assume that all registers that used to be live then still are.
22633         (init_resource_info): If a label starts a basic block, set its
22634         BLOCK_FOR_INSN accordingly.
22635         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
22636
22637 2009-04-27  Richard Guenther  <rguenther@suse.de>
22638
22639         * tree-flow-inline.h (function_ann): Remove.
22640         (get_function_ann): Likewise.
22641         * tree-dfa.c (create_function_ann): Remove.
22642         * tree-flow.h (struct static_var_ann_d): Remove.
22643         (struct function_ann_d): Likewise.
22644         (union tree_ann_d): Remove fdecl member.
22645         (function_ann_t): Remove.
22646         (function_ann, get_function_ann, create_function_ann): Remove
22647         declarations.
22648
22649 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
22650
22651         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
22652
22653 2009-04-27  Jan Hubicka  <jh@suse.cz>
22654
22655         * ipa-pure-const.c (struct funct_state_d): New fields
22656         state_previously_known, looping_previously_known; remove
22657         state_set_in_source.
22658         (analyze_function): Use new fields.
22659         (propagate): Avoid assumption that state_set_in_source imply
22660         nonlooping.
22661
22662         * tree-ssa-loop-niter.c (finite_loop_p): New function.
22663         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
22664         * cfgloop.h (finite_loop_p): Declare.
22665
22666 2009-04-26  Michael Matz  <matz@suse.de>
22667
22668         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
22669
22670 2009-04-26  Michael Matz  <matz@suse.de>
22671
22672         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
22673         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
22674         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
22675         pass_mark_used_blocks): Remove.
22676         * tree-optimize.c (pass_free_datastructures,
22677         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
22678         * passes.c (init_optimization_passes): Don't call
22679         pass_mark_used_blocks, remove dead code.
22680
22681 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
22682
22683         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
22684         * tree-ssa-live.h (register_ssa_partition): Likewise.
22685
22686 2009-04-26  Michael Matz  <matz@suse.de>
22687
22688         Expand from SSA.
22689         * builtins.c (fold_builtin_next_arg): Handle SSA names.
22690         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
22691         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
22692         SSA names.
22693         (compare_pairs): Swap cost comparison.
22694         (coalesce_ssa_name): Don't use change_partition_var.
22695         * tree-nrv.c (struct nrv_data): Add modified member.
22696         (finalize_nrv_r): Set it.
22697         (tree_nrv): Use it to update statements.
22698         (pass_nrv): Require PROP_ssa.
22699         * tree-mudflap.c (mf_decl_cache_locals,
22700         mf_build_check_statement_for): Use make_rename_temp.
22701         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
22702         * alias.c (find_base_decl): Handle SSA names.
22703         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
22704         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
22705         * rtl.h (set_reg_attrs_for_parm): Declare.
22706         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
22707         to "optimized", remove unused locals at finish.
22708         (execute_free_datastructures): Make global, call
22709         delete_tree_cfg_annotations.
22710         (execute_free_cfg_annotations): Don't call
22711         delete_tree_cfg_annotations.
22712
22713         * ssaexpand.h: New file.
22714         * expr.c (toplevel): Include ssaexpand.h.
22715         (expand_assignment): Handle SSA names the same as register variables.
22716         (expand_expr_real_1): Expand SSA names.
22717         * cfgexpand.c (toplevel): Include ssaexpand.h.
22718         (SA): New global variable.
22719         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
22720         (SSAVAR): New macro.
22721         (set_rtl): New helper function.
22722         (add_stack_var): Deal with SSA names, use set_rtl.
22723         (expand_one_stack_var_at): Likewise.
22724         (expand_one_stack_var): Deal with SSA names.
22725         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
22726         before unique numbers.
22727         (expand_stack_vars): Use set_rtl.
22728         (expand_one_var): Accept SSA names, add asserts for them, feed them
22729         to above subroutines.
22730         (expand_used_vars): Expand all partitions (without default defs),
22731         then only the local decls (ignoring those expanded already).
22732         (expand_gimple_cond): Remove edges when jumpif() expands an
22733         unconditional jump.
22734         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
22735         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
22736         SSA name.
22737         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
22738         members of SA; deal with PARM_DECL partitions here; expand
22739         all PHI nodes, free tree datastructures and SA.  Commit instructions
22740         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
22741         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
22742         info and statements at start, collect garbage at finish.
22743         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
22744         (VAR_ANN_PARTITION) Remove.
22745         (change_partition_var): Don't declare.
22746         (partition_to_var): Always return SSA names.
22747         (var_to_partition): Only accept SSA names.
22748         (register_ssa_partition): Only check argument.
22749         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
22750         member.
22751         (delete_var_map): Don't free it.
22752         (var_union): Only accept SSA names, simplify.
22753         (partition_view_init): Mark only useful SSA names as used.
22754         (partition_view_fini): Only deal with SSA names.
22755         (change_partition_var): Remove.
22756         (dump_var_map): Use ssa_name instead of partition_to_var member.
22757         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
22758         basic blocks.
22759         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
22760         (struct _elim_graph): New member const_dests; nodes member vector of
22761         ints.
22762         (set_location_for_edge): New static helper.
22763         (create_temp): Remove.
22764         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
22765         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
22766         (new_elim_graph): Allocate const_dests member.
22767         (clean_elim_graph): Truncate const_dests member.
22768         (delete_elim_graph): Free const_dests member.
22769         (elim_graph_size): Adapt to new type of nodes member.
22770         (elim_graph_add_node): Likewise.
22771         (eliminate_name): Likewise.
22772         (eliminate_build): Don't take basic block argument, deal only with
22773         partition numbers, not variables.
22774         (get_temp_reg): New static helper.
22775         (elim_create): Use it, deal with RTL temporaries instead of trees.
22776         (eliminate_phi): Adjust all calls to new signature.
22777         (assign_vars, replace_use_variable, replace_def_variable): Remove.
22778         (rewrite_trees): Only do checking.
22779         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
22780         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
22781         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
22782         contains_tree_r, MAX_STMTS_IN_LATCH,
22783         process_single_block_loop_latch, analyze_edges_for_bb,
22784         perform_edge_inserts): Remove.
22785         (expand_phi_nodes): New global function.
22786         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
22787         functions, initialize new parameter, remember partitions having a
22788         default def.
22789         (finish_out_of_ssa): New global function.
22790         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
22791         don't reset in_ssa_p here, don't disable TER when mudflap.
22792         (pass_del_ssa): Remove.
22793         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
22794         partition members.
22795         (execute_free_datastructures): Declare.
22796         * Makefile.in (SSAEXPAND_H): New variable.
22797         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
22798         * basic-block.h (commit_one_edge_insertion): Declare.
22799         * passes.c (init_optimization_passes): Move pass_nrv and
22800         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
22801         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
22802         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
22803         (redirect_branch_edge): Deal with super block when expanding, split
22804         out jump patching itself into ...
22805         (patch_jump_insn): ... here, new static helper.
22806
22807 2009-04-26  Michael Matz  <matz@suse.de>
22808
22809         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
22810         beyond num_ssa_names.
22811         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
22812         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
22813
22814 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
22815
22816         PR inline-asm/39543
22817         * fwprop.c (forward_propagate_asm): New function.
22818         (forward_propagate_and_simplify): Propagate also into __asm, if it
22819         doesn't increase the number of referenced registers.
22820
22821         PR c/39889
22822         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
22823
22824 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
22825
22826         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
22827         note_nonlocal_vla_type for nonlocal VLAs.
22828         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
22829         contains_remapped_vars, remap_vla_decls): New functions.
22830         (convert_nonlocal_reference_stmt): If not optimizing, call
22831         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
22832         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
22833         if it wasn't found in var_map.
22834         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
22835         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
22836         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
22837         declare_vars.
22838         * gimplify.c (nonlocal_vlas): New variable.
22839         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
22840         referenced VLAs.
22841         (gimplify_body): Create and destroy nonlocal_vlas.
22842
22843         * dwarf2out.c (loc_descr_plus_const): New function.
22844         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
22845         mem_loc_descriptor, loc_descriptor_from_tree_1,
22846         descr_info_loc, gen_variable_die): Use it.
22847
22848         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
22849         !TREE_STATIC VAR_DECLs.
22850         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
22851         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
22852         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
22853         DECL_BY_REFERENCE is valid.
22854         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
22855         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
22856         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
22857         Copy DECL_BY_REFERENCE.
22858         (struct nesting_copy_body_data): New type.
22859         (nesting_copy_decl): New function.
22860         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
22861         if they have variable length.
22862
22863 2009-04-26  Michael Matz  <matz@suse.de>
22864
22865         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
22866         mark new temporaries for renaming.
22867
22868 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
22869
22870         PR c/39581
22871         * c-decl.c (global_bindings_p): Return negative value.
22872         (c_variable_size): New.  Based on variable_size from
22873         stor-layout.c.
22874         (grokdeclarator): Call c_variable_size not variable_size.
22875
22876 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
22877
22878         * config/i386/i386.c (print_operand) ['z']: Fix typo.
22879
22880 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
22881
22882         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
22883         Redefine it to just use mingw/include.
22884         (ASM_SPEC): Rules for -m32 and -m64.
22885         (LINK_SPEC): Use Likewise.
22886         (SPEC_32): New define.
22887         (SPEC_64): Likewise.
22888         (SUB_LINK_SPEC): Likewise.
22889         (MULTILIB_DEFAULTS): New define.
22890         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
22891         Add multilib options.
22892         (MULTILIB_DIRNAMES): Likewise.
22893         (MULTILIB_OSDIRNAMES): Likewise.
22894         (LIBGCC): Likewise.
22895         (INSTALL_LIBGCC): Likewise.
22896
22897 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
22898
22899         PR c/39556
22900         * c-tree.h (enum c_inline_static_type): New.
22901         (record_inline_static): Declare.
22902         * c-decl.c (struct c_inline_static, c_inline_statics,
22903         record_inline_static, check_inline_statics): New.
22904         (pop_file_scope): Call check_inline_statics.
22905         (start_decl): Call record_inline_static instead of pedwarning
22906         directly for static in inline function.
22907         * c-typeck.c (build_external_ref): Call record_inline_static
22908         instead of pedwarning directly for static referenced in inline
22909         function.
22910
22911 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
22912
22913         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
22914         not new but only being rescanned.
22915         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
22916         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
22917         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
22918         record_set_info, compute_set, grealloc): Remove.
22919         (recompute_all_luids): New function.
22920         (gcse_main): Don't compute sets, and don't do related memory
22921         allocations/free-ing.  If something changed before the end of the
22922         pass, update LUIDs using recompute_all_luids.
22923         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
22924         (free_gcse_mem): Don't free it either.
22925         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
22926         Use the df insn LUIDs.
22927         (load_killed_in_block): Likewise.
22928         (compute_hash_table_work): Don't compute reg_set_in_block.
22929         (compute_transp): Use DF_REG_DEF_CHAINs.
22930         (local_cprop_pass): Don't use compute_sets and related functions.
22931         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
22932         Use get_max_uid() instead of max_cuid.
22933         (insert_insn_end_basic_block, pre_insert_copy_insn,
22934         update_ld_motion_stores): Don't try to
22935         keep reg_set tables up to date.
22936         (pre_insert_copies): Use df insn LUIDs.
22937         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
22938         (reg_set_info): Don't use extra bitmap argument.
22939         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
22940         information to compute regs_set_in_block.
22941         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
22942         (bypass_jumps): Don't use compute_sets and friends.
22943
22944 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22945
22946         PR testsuite/39710
22947         * opts.c (undocumented_msg): Do not leave blank even with
22948         ENABLE_CHECKING.
22949
22950 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
22951
22952         * c-decl.c (build_enumerator): Allow values folding to integer
22953         constants but not integer constant expressions with a pedwarn if
22954         pedantic.
22955
22956 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
22957
22958         PR c/39582
22959         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
22960         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
22961         type is an integer constant.
22962
22963 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
22964
22965         PR target/39897
22966         * config/i386/i386.c (print_operand) ['z']: Revert handling of
22967         HImode operands.
22968
22969 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
22970
22971         PR c/39564
22972         * c-decl.c (grokdeclarator): Diagnose declarations of functions
22973         with variably modified return type and no storage class
22974         specifiers, except for the case of nested functions.  Distinguish
22975         extern declarations of functions with variably modified return
22976         types from those of objects with variably modified types.
22977
22978 2009-04-25  Jan Hubicka  <jh@suse.cz>
22979
22980         * tree.c (list_equal_p): New function.
22981         * tree.h (list_equal_p): Declare.
22982         * coretypes.h (edge_def, edge, const_edge, basic_block_def
22983         basic_block_def, basic_block, const_basic_block): New.
22984         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
22985         (redirect_eh_edge): New function.
22986         (make_eh_edge_update_phi): EH edges are not abnormal.
22987         * except.c: Include tree-flow.h.
22988         (list_match): New function.
22989         (eh_region_replaceable_by_p): New function.
22990         (replace_region): New function.
22991         (hash_type_list): New function.
22992         (hash_eh_region): New function.
22993         (eh_regions_equal_p): New function.
22994         (merge_peers): New function.
22995         (remove_unreachable_regions): Verify EH tree when checking;
22996         merge peers.
22997         (copy_eh_region_1): New function.
22998         (copy_eh_region): New function.
22999         (push_reachable_handler): New function.
23000         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
23001         regions without label but with live RESX.
23002         * except.h (redirect_eh_edge_to_label): New.
23003         * tree-flow.h (redirect_eh_edge): New.
23004         * coretypes.h (edge_def, edge, const_edge, basic_block_def
23005         basic_block_def, basic_block, const_basic_block): Remove.
23006         * Makefile.in (except.o): Add dependency on tree-flow.h
23007         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
23008         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
23009         Remove.
23010
23011 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
23012
23013         PR bootstrap/39645
23014         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
23015         on the destination of memcpy.
23016
23017 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
23018
23019         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
23020         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
23021         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
23022
23023 2009-04-25  Jan Hubicka  <jh@suse.cz>
23024
23025         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
23026         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
23027         to be reached by different label than left.
23028         (update_eh_edges): Update comment; remove edge_to_remove if possible
23029         and return true if suceeded.
23030         (cleanup_empty_eh): Accept sharing map; handle shared regions.
23031         (cleanup_eh): Compute sharing map.
23032         * except.c (remove_eh_handler_and_replace): Add argument if we should
23033         update regions.
23034         (remove_unreachable_regions): Update for label sharing.
23035         (label_to_region_map): Likewise.
23036         (get_next_region_sharing_label): New function.
23037         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
23038         prev_try pointers.
23039         (remove_eh_handler): Update.
23040         (remove_eh_region_and_replace_by_outer_of): New function.
23041         * except.h (struct eh_region): Add next_region_sharing_label.
23042         (remove_eh_region_and_replace_by_outer_of,
23043         get_next_region_sharing_label): Declare.
23044         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
23045
23046 2009-04-25  Jan Hubicka  <jh@suse.cz>
23047
23048         * tree-cfg.c (split_critical_edges): Split also edges where we can't
23049         insert code even if they are not critical.
23050
23051 2009-04-25  Jan Hubicka  <jh@suse.cz>
23052
23053         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
23054         (gimple_can_remove_branch_p): EH edges won't remove branch by
23055         redirection.
23056         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
23057         updating of non-abnormal EH edges.
23058         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
23059         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
23060         (split_critical_edges): Split also edges where emitting code on them
23061         will lead to splitting later.
23062
23063 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
23064             H.J. Lu  <hongjiu.lu@intel.com>
23065
23066         PR target/39590
23067         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
23068         the configured assembler supports fildq and fistpq mnemonics.
23069         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
23070         * configure: Regenerated.
23071         * config.in: Ditto.
23072
23073         * config/i386/i386.c (print_operand): Handle 'Z'.
23074         ['z']: Remove handling of special fild/fist suffixes.
23075         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
23076         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
23077         suffix of fild insn.
23078         (*floatsi<mode>2_vector_mixed): Ditto.
23079         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
23080         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
23081         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
23082         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
23083         * config/i386/gas.h (GAS_MNEMONICS): Remove.
23084
23085 2009-04-25  Ben Elliston  <bje@au.ibm.com>
23086
23087         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
23088         the source of a set operation.
23089
23090 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
23091
23092         * target.h (struct gcc_target): Add case_values_threshold field.
23093         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
23094         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
23095         * targhooks.c (default_case_values_threshold): New function.
23096         * targhooks.h (default_case_values_threshold): Declare function.
23097         * stmt.c (expand_case): Use case_values_threshold target hook.
23098         * expr.h (case_values_threshold): Remove declartation.
23099         * expr.c (case_values_threshold): Remove function.
23100         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
23101
23102         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
23103         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
23104         (avr_case_values_threshold): Declare as static.
23105         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
23106
23107         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
23108         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
23109         (mn10300_case_values_threshold): New function.
23110
23111 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
23112
23113         * ira.c (setup_cover_and_important_classes): Add enum cast.
23114
23115 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
23116
23117         * genpreds.c (write_enum_constraint_num): Output definition of
23118         CONSTRAINT_NUM_DEFINED_P macro.
23119         * ira.c (setup_cover_and_important_classes): Use
23120         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
23121
23122 2009-04-24  DJ Delorie  <dj@redhat.com>
23123
23124         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
23125         __SH2A_SINGLE_ONLY__ also.
23126
23127 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
23128
23129         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
23130         (movdf_internal): Ditto.
23131         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
23132         SFmode and DFmode constants.
23133         (ia64_print_operand): Add 'G' format for printing
23134         floating point constants.
23135
23136 2009-04-24  Richard Guenther  <rguenther@suse.de>
23137
23138         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
23139         from unsigned additions.
23140
23141 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
23142
23143         * c-typeck.c (set_init_index): Allow array designators that are
23144         not integer constant expressions with a pedwarn if pedantic.
23145
23146 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
23147
23148         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
23149         zero if no overlap in nonzero bits between the operands.
23150
23151 2009-04-24  Ian Lance Taylor  <iant@google.com>
23152
23153         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
23154         (record_dead_and_set_regs): Likewise.
23155         * df.h (struct df_mw_hardreg): Change flags field to int.
23156         (struct df_base_ref): Likewise.
23157         (struct df): Change changeable_flags field to int.
23158         * df-scan.c (df_defs_record): Change clobber_flags to int.
23159         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
23160         constants rather than #define macros.
23161         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
23162         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
23163         (enum dwarf_calling_convention): Likewise.
23164         (enum dwarf_line_number_x_ops): Likewise.
23165         (enum dwarf_call_frame_info): Likewise.
23166         (enum dwarf_source_language): Likewise.
23167         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
23168         (add_calling_convention_attribute): Likewise.
23169         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
23170         (combine_comparisons): Change compcode to int.  Add cast to enum type.
23171         * genrecog.c (maybe_both_true_2): Change c to int.
23172         (write_switch): Likewise.  Add cast to enum type.
23173         * gimplify.c (gimplify_omp_for): Handle return values from
23174         gimplify_expr using MIN rather than bitwise or.
23175         (gimplify_expr): Add cast to enum type.
23176         * ipa-prop.c (update_jump_functions_after_inlining): Change
23177         IPA_BOTTOM to IPA_JF_UNKNOWN.
23178         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
23179         Add casts to enum type.
23180         (setup_cover_and_important_classes): Change cl to int.  Add casts
23181         to enum type.
23182         (setup_class_translate): Change cl and mode to int.
23183         (ira_init_once): Change mode to int.
23184         (free_register_move_costs): Likewise.
23185         (setup_prohibited_mode_move_regs): Add casts to enum type.
23186         * langhooks.c (add_builtin_function_common): Rework assertion that
23187         value fits bitfield.
23188         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
23189         * omega.c (omega_do_elimination): Avoid math on enum types.
23190         * optabs.c (expand_vec_shift_expr): Remove casts to int.
23191         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
23192         int local to handle integral_argment value.
23193         * regmove.c (try_auto_increment): Change PUT_MODE to
23194         PUT_REG_NOTE_KIND.
23195         * reload.c (push_secondary_reload): Add casts to enum type.
23196         (secondary_reload_class, find_valid_class): Likewise.
23197         * reload1.c (emit_input_reload_insns): Likewise.
23198         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
23199         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
23200         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
23201         constant.
23202         * tree.c (build_common_builtin_nodes): Add casts to enum type.
23203         * tree-complex.c (complex_lattice_t): Typedef to int rather than
23204         enum type.
23205         (expand_complex_libcall): Add casts to enum type.
23206         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
23207         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
23208         with ERROR_MARK, not NUM_TREE_CODES.
23209         (vect_create_epilog_for_reduction): Likewise.
23210         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
23211         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
23212         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
23213         enum machine_mode.
23214         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
23215         vect_unused_in_loop.  Change 0 to loop_vect.
23216         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
23217         * var-tracking.c (get_init_value): Change return type to enum
23218         var_init_status.
23219         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
23220         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
23221         arm_fp_model.
23222         (arm_override_options): Add casts to enum type.
23223         (arm_emit_tls_decoration): Likewise.
23224         * config/i386/i386.c (ix86_function_specific_restore): Add casts
23225         to enum type.
23226         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
23227         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
23228         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
23229         enum type.
23230         * config/s390/s390.c (code_for_builtin_64): Change to array of
23231         enum insn_code.
23232         (code_for_builtin_31): Likewise.
23233         (s390_expand_builtin): Change code_for_builtin to enum insn_code
23234         const *.
23235         * config/sparc/sparc.c (sparc_override_options): Change value
23236         field in struct code_model to enum cmodel.  In initializer change
23237         0 to NULL and add cast to enum type.
23238
23239         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
23240         Change all callers.  Issue a -Wc++-compat warning using
23241         lhs_origtype if necessary.
23242         (convert_for_assignment): Issue -Wc++-compat warnings about
23243         invalid conversions to enum type on assignment.
23244         * c-common.h (build_modify_expr): Update declaration.
23245
23246 2009-04-24  Nick Clifton  <nickc@redhat.com>
23247
23248         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
23249         (function_arg_advance): Likewise.
23250         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
23251         5th alternative.
23252
23253 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
23254
23255         * config/s390/constraints.md ('I', 'J'): Fix condition.
23256
23257 2009-04-24  Diego Novillo  <dnovillo@google.com>
23258
23259         * gengtype-parse.c (parse_error): Add newline after message.
23260
23261 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
23262
23263         * config/i386/sse.md (avxmodesuffixs): Removed.
23264         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
23265         (*avx_pinsr<ssevecsize>): This.
23266
23267 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
23268
23269         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
23270         follow chains of regs with a single definition, and allow expressions
23271         that are function_invariant_p.
23272         (simple_rhs_p): Allow expressions that are function_invariant_p.
23273
23274 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
23275
23276         PR middle-end/39867
23277         * fold-const.c (fold_cond_expr_with_comparison): When folding
23278         > and >= to MAX, make sure the MAX uses the same type as the
23279         comparison's operands.
23280
23281 2009-04-24  Nick Clifton  <nickc@redhat.com>
23282
23283         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
23284         addressing for DImode accesses.
23285         (frv_print_operand_address): Handle PLUS case.
23286         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
23287
23288 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
23289
23290         PR rtl-optimization/39794
23291         * alias.c (canon_true_dependence): Add x_addr argument.
23292         * rtl.h (canon_true_dependence): Adjust prototype.
23293         * cse.c (check_dependence): Adjust canon_true_dependence callers.
23294         * cselib.c (cselib_invalidate_mem): Likewise.
23295         * gcse.c (compute_transp): Likewise.
23296         * dse.c (scan_reads_nospill): Likewise.
23297         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
23298         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
23299         canon_base_addr of the group, plus optional offset.
23300         (struct group_info): Rename canon_base_mem to
23301         canon_base_addr.
23302         (get_group_info): Set canon_base_addr to canon_rtx of base, not
23303         canon_rtx of base_mem.
23304
23305 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
23306
23307         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
23308         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
23309
23310 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23311
23312         * config/spu/spu-builtins.h: Delete file.
23313
23314         * config/spu/spu.h (enum spu_builtin_type): Move here from
23315         spu-builtins.h.
23316         (struct spu_builtin_description): Likewise.  Add GTY marker.
23317         Do not use enum spu_function_code or enum insn_code.
23318         (spu_builtins): Add extern declaration.
23319
23320         * config/spu/spu.c: Do not include "spu-builtins.h".
23321         (enum spu_function_code, enum spu_builtin_type_index,
23322         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
23323         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
23324         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
23325         unsigned_V2DI_type_node): Move here from spu-builtins.h.
23326         (spu_builtin_types): Make static.  Add GTY marker.
23327         (spu_builtins): Add extern declaration with GTY marker.
23328         Include "gt-spu.h".
23329
23330         * config/spu/spu-c.c: Do not include "spu-builtins.h".
23331         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
23332         Check programmatically whether all parameters are scalar.
23333
23334         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
23335
23336 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
23337
23338         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
23339         assignment from the constructor either if the target is volatile.
23340
23341 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
23342
23343         * config/arm/arm.md (insv): Do not share operands[0].
23344
23345 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
23346
23347         * config/vxlib-tls.c (active_tls_threads): Delete.
23348         (delete_hook_installed): New.
23349         (tls_delete_hook): Don't delete the delete hook.
23350         (tls_destructor): Delete it here.
23351         (__gthread_set_specific): Adjust installing the delete hook.
23352         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
23353         __gthread_leave_tsd_dtor_context.
23354
23355 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
23356
23357         * c-format.c (gcc_tdiag_char_table): Add support for %E.
23358
23359 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
23360
23361         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
23362         enum type.
23363         (alpha_rtx_costs): Ditto.
23364         (emit_unlikely_jump): Use add_reg_note.
23365         (emit_frame_store_1): Ditto.
23366         (alpha_expand_prologue): Ditto.
23367         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
23368         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
23369
23370 2009-04-23  Nick Clifton  <nickc@redhat.com>
23371
23372         * config/v850/v850.md (epilogue): Remove suppressed code.
23373         (return): Rename to return_simple and remove test of frame size.
23374         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
23375         to gen_return_simple.
23376
23377 2009-04-22  Jing Yu  <jingyu@google.com>
23378
23379         PR testsuite/39781
23380         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
23381
23382 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23383
23384         PR C/31499
23385         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
23386         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
23387         value is a VECTOR_CST, the element type is the element type of the
23388         vector.
23389
23390 2009-04-22  DJ Delorie  <dj@redhat.com>
23391
23392         * config/m32c/m32c.h: Update GTY annotations to new syntax.
23393
23394 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
23395
23396         * alias.c (find_base_term): Move around LO_SUM case, so that
23397         CONST falls through into PLUS/MINUS handling.
23398
23399         PR c/39855
23400         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
23401         into 0, use omit_one_operand.
23402
23403 2009-04-23  Ben Elliston  <bje@au.ibm.com>
23404
23405         * config/rs6000/linux-unwind.h (get_regs): Remove type
23406         puns. Change the type of `pc' to an array of unsigned ints and
23407         update all users.  Constify frame24.
23408
23409 2009-04-22  DJ Delorie  <dj@redhat.com>
23410
23411         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
23412         declarations before code.
23413         (current_function_special_page_vector): Likewise.
23414         (m32c_expand_insv): Silence a warning.
23415
23416 2009-04-21  Taras Glek  <tglek@mozilla.com>
23417
23418         * alias.c: Update GTY annotations to new syntax.
23419         * basic-block.h: Likewise.
23420         * bitmap.h: Likewise.
23421         * c-common.h: Likewise.
23422         * c-decl.c: Likewise.
23423         * c-parser.c: Likewise.
23424         * c-pragma.c: Likewise.
23425         * c-tree.h: Likewise.
23426         * cfgloop.h: Likewise.
23427         * cgraph.h: Likewise.
23428         * config/alpha/alpha.c: Likewise.
23429         * config/arm/arm.h: Likewise.
23430         * config/avr/avr.h: Likewise.
23431         * config/bfin/bfin.c: Likewise.
23432         * config/cris/cris.c: Likewise.
23433         * config/darwin.c: Likewise.
23434         * config/frv/frv.c: Likewise.
23435         * config/i386/i386.c: Likewise.
23436         * config/i386/i386.h: Likewise.
23437         * config/i386/winnt.c: Likewise.
23438         * config/ia64/ia64.h: Likewise.
23439         * config/iq2000/iq2000.c: Likewise.
23440         * config/mips/mips.c: Likewise.
23441         * config/mmix/mmix.h: Likewise.
23442         * config/pa/pa.c: Likewise.
23443         * config/pa/pa.h: Likewise.
23444         * config/rs6000/rs6000.c: Likewise.
23445         * config/s390/s390.c: Likewise.
23446         * config/sparc/sparc.c: Likewise.
23447         * config/xtensa/xtensa.c: Likewise.
23448         * cselib.h: Likewise.
23449         * dbxout.c: Likewise.
23450         * dwarf2out.c: Likewise.
23451         * except.c: Likewise.
23452         * except.h: Likewise.
23453         * fixed-value.h: Likewise.
23454         * function.c: Likewise.
23455         * function.h: Likewise.
23456         * gimple.h: Likewise.
23457         * integrate.c: Likewise.
23458         * optabs.c: Likewise.
23459         * output.h: Likewise.
23460         * real.h: Likewise.
23461         * rtl.h: Likewise.
23462         * stringpool.c: Likewise.
23463         * tree-data-ref.c: Likewise.
23464         * tree-flow.h: Likewise.
23465         * tree-scalar-evolution.c: Likewise.
23466         * tree-ssa-address.c: Likewise.
23467         * tree-ssa-alias.h: Likewise.
23468         * tree-ssa-operands.h: Likewise.
23469         * tree.c: Likewise.
23470         * tree.h: Likewise.
23471         * varasm.c: Likewise.
23472         * varray.h: Likewise.
23473         * vec.h: Likewise.
23474         * coretypes.h: Do not define GTY macro if it is already defined.
23475         * doc/gty.texi: Update GTY documentation to new syntax.
23476         * gengtype-lex.l: Enforce attribute-like syntax for GTY
23477         annotations on structs.
23478         * gengtype-parse.c: Likewise.
23479
23480 2009-04-22  Mark Heffernan  <meheff@google.com>
23481
23482         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
23483
23484 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
23485
23486         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
23487         where appropriate.
23488
23489 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
23490
23491         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
23492         the same as a PLUS without a shift.  Increase the cost of a
23493         CONST_INT in MULT.
23494
23495 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23496
23497         * Makefile.in: Update dependencies.
23498         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
23499         * errors.h: Remove bogus comment about compatibility.
23500         (warning): Update declaration.
23501         * genautomata.c: Update all calls to warning.
23502         * gimple.c: Do not include errors.h. Include toplev.h.
23503         * tree-ssa-structalias.c: Do not include errors.h.
23504         * omega.c: Likewise.
23505         * tree-ssa-reassoc.c: Likewise.
23506         * config/spu/spu-c.c: Likewise.
23507         * config/spu/t-spu-elf: Update dependencies.
23508
23509 2009-04-22  Richard Guenther  <rguenther@suse.de>
23510
23511         PR tree-optimization/39824
23512         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
23513         make sure the types are compatible.
23514
23515 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23516
23517         PR c++/14875
23518         * c-common.c (c_parse_error): Take a token_flags parameter.
23519         Use token_type for the token type instead.
23520         Pass token_flags to cpp_type2name.
23521         * c-common.h (c_parse_error): Update declaration.
23522         * c-parser.c (c_parser_error): Pass 0 as token flags.
23523
23524 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
23525
23526         PR rtl-optimization/39580
23527         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
23528
23529 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23530
23531         * function.c (expand_function_end): Do not emit a jump to the "naked"
23532         return label for fall-through returns.
23533         * except.c (sjlj_emit_function_exit): Always place the call to the
23534         unregister function at the location installed by expand_function_end.
23535
23536 2009-04-22  Richard Guenther  <rguenther@suse.de>
23537
23538         PR tree-optimization/39845
23539         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
23540         (gen_inbound_check): Likewise.
23541
23542 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
23543
23544         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
23545         padding for PPC.
23546         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
23547         * config/vxlib.c (__gthread_once): Add race guard for PPC.
23548
23549 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
23550
23551         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
23552         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
23553         shift counts to avoid out-of-bounds array accesses.
23554
23555 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
23556
23557         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
23558         (Pmode): Move above.
23559
23560 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
23561
23562         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
23563         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
23564         GET_CODE macro.  Use IN_RANGE macro where appropriate.
23565         * config/alpha/alpha.h: Ditto.
23566         * config/alpha/alpha.md: Ditto.
23567         * config/alpha/constraints.md: Ditto.
23568         * config/alpha/predicates.md: Ditto.
23569
23570 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
23571
23572         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
23573         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23574         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23575         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23576         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23577         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23578         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23579         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23580         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23581         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23582         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23583         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23584         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23585         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23586         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23587         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23588         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23589         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23590         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23591         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23592         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23593         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23594         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23595         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23596         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23597         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23598         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
23599
23600 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
23601
23602         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
23603         references from comments.
23604         * cfgbuild.c (count_basic_blocks): Delete.
23605         (find_basic_blocks_1): Delete.
23606         (find_basic_blocks): Delete.
23607         * except.c (finish_eh_generation): Make static.  Move comment from
23608         except.h here.  Remove find_basic_blocks references from comments.
23609         * except.h (finish_eh_generation): Delete.
23610         * basic-block.h (find_basic_blocks): Delete.
23611         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
23612
23613 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
23614
23615         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
23616         (sdbout_parms):  Likewise.
23617
23618 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
23619
23620         * config/sh/sh.c (prepare_cbranch_operands): Use
23621         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
23622         (expand_cbranchdi4): Likewise.
23623         (from_compare): Add cast to enum type.
23624         (expand_cbranchsi4): Use add_reg_note.
23625         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
23626         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
23627         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
23628         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
23629         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
23630         instead of CODE_FOR_nothing.
23631         (cbranchdi4): Likewise.  Fix the order of arguments for
23632         gen_rtx_fmt_ee.
23633         (push_fpscr): Use add_reg_note.
23634         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
23635         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
23636
23637 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
23638
23639         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
23640         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
23641         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
23642         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
23643         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
23644         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
23645         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
23646         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
23647         config/alpha/x-vms, config/arc/t-arc,
23648         config/arm/README-interworking, config/arm/arm-c.c,
23649         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
23650         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
23651         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
23652         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
23653         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
23654         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
23655         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
23656         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
23657         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
23658         config/cris/t-elfmulti, config/crx/t-crx,
23659         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
23660         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
23661         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
23662         config/h8300/t-h8300, config/i386/athlon.md,
23663         config/i386/darwin-libgcc.10.4.ver,
23664         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
23665         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
23666         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
23667         config/i386/t-linux64, config/i386/t-nwld,
23668         config/i386/t-rtems-i386, config/i386/t-sol2-10,
23669         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
23670         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
23671         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
23672         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
23673         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
23674         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
23675         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
23676         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
23677         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
23678         config/m68k/t-uclinux, config/mcore/t-mcore,
23679         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
23680         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
23681         config/mips/crtn.asm, config/mips/irix-crti.asm,
23682         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
23683         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
23684         config/mips/mips-fixed.md, config/mips/sb1.md,
23685         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
23686         config/mips/t-iris6, config/mips/t-isa3264,
23687         config/mips/t-libgcc-mips16, config/mips/t-linux64,
23688         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
23689         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
23690         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
23691         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
23692         config/mn10300/t-linux, config/mn10300/t-mn10300,
23693         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
23694         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
23695         config/picochip/libgccExtras/clzsi2.asm,
23696         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
23697         config/rs6000/darwin-libgcc.10.4.ver,
23698         config/rs6000/darwin-libgcc.10.5.ver,
23699         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
23700         config/rs6000/t-aix43, config/rs6000/t-aix52,
23701         config/rs6000/t-darwin, config/rs6000/t-fprules,
23702         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
23703         config/rs6000/t-lynx, config/rs6000/t-netbsd,
23704         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
23705         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
23706         config/rs6000/t-rtems, config/rs6000/t-spe,
23707         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
23708         config/score/t-score-elf, config/sh/divcost-analysis,
23709         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
23710         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
23711         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
23712         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
23713         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
23714         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
23715         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
23716         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
23717         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
23718         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
23719         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
23720         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
23721         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
23722         limitx.h, version.c, xcoff.h: Add copyright and license notices.
23723         * config/h8300/genmova.sh: Include copyright and license notices
23724         in generated output.
23725         * config/h8300/mova.md: Regenerate.
23726         * doc/install.texi2html: Include word "Copyright" in copyright
23727         notice and use name "Free Software Foundation, Inc.".
23728         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
23729         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
23730         ChangeLog-2007, ChangeLog-2008: Correct dates.
23731
23732 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
23733
23734         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
23735         NE_EXPR operations as well.
23736         * c-parser.c (c_parser_condition): Do not set location information on
23737         the condition.
23738         (c_parser_conditional_expression): Likewise.
23739         (c_parser_binary_expression): Set location information on operators.
23740         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
23741         TRUTH_NOT_EXPR has been folded.
23742         * fold-const.c (fold_truth_not_expr): Copy location information from
23743         the incoming expression to the outgoing one.
23744         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
23745         recursive calls on the LHS of the operator but pass that of the
23746         operator to recursive calls on the RHS of the operator.  Set it
23747         on the COND_EXPR.
23748         (shortcut_cond_expr): Set the locus of the operator on the second
23749         COND_EXPR and that of the expression on the first in degenerate cases.
23750         Pass the locus of the expression to calls to shortcut_cond_r.
23751         Set the locus of the 'then' block on the associated jump, if any.
23752         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
23753         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
23754         expression to call to gimplify_boolean_expr.
23755
23756 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
23757
23758         * config.gcc: Add additional configuration for
23759         i686-w64-mingw* and x86_64-w64-mingw* triplet.
23760         * config/i386/mingw-w64.h: New mingw-w64 specific header.
23761         (CPP_SPEC): Redefine for allowing -municode option.
23762         (STARTFILE_SPEC): Likewise.
23763         * config/i386/t-mingw-w64: New.
23764         * config/i386/mingw-w64.opt: New.
23765         (municode): Add new target option.
23766         * doc/invoke.texi (municode): Add documentation for new option.
23767
23768 2009-04-21  Ian Lance Taylor  <iant@google.com>
23769
23770         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
23771         Correct test for number of arguments.
23772         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
23773
23774 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
23775
23776         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
23777         argument of emit_library_call.
23778
23779 2009-04-21  Richard Guenther  <rguenther@suse.de>
23780
23781         PR middle-end/39829
23782         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
23783         inside VIEW_CONVERT_EXPRs.
23784
23785 2009-04-21  Martin Jambor  <mjambor@suse.cz>
23786
23787         * tree-switch-conversion.c (build_constructors): Split a long line.
23788         (constructor_contains_same_values_p): New function.
23789         (build_one_array): Create assigns of constants if possible, do not
23790         call mark_sym_for_renaming, call update_stmt.
23791         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
23792         make_rename_temp.  Do not call mark_symbols_for_renaming, call
23793         update_stmt.
23794         (gen_def_assigns): Do not call mark_symbols_for_renaming or
23795         find_new_referenced_vars, call update_stmt.
23796         (gen_inbound_check): Use create_tmp_var and create ssa names manually
23797         instead of calling make_rename_temp.  Do not call
23798         find_new_referenced_vars or mark_symbols_for_renaming, call
23799         update_stmt.
23800
23801 2009-04-21  Richard Guenther  <rguenther@suse.de>
23802
23803         PR tree-optimization/39827
23804         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
23805         (tree_ssa_phiprop): Pass the correct array size.
23806
23807 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
23808
23809         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
23810
23811 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23812
23813         PR 16202
23814         * c-typeck.c (lvalue_p): Move declaration ...
23815         * c-common.h (lvalue_p): ... to here.
23816         * c-common.c (candidate_equal_p): New.
23817         (add_tlist): Use it.
23818         (merge_tlist): Use it.
23819         (warn_for_collisions_1): Likewise.
23820         (warning_candidate_p): Accept more candidates.
23821         (verify_tree): A warning candidate can be an expression. Use
23822         candidate_equal_p.
23823
23824 2009-04-21  Ben Elliston  <bje@au.ibm.com>
23825
23826         PR target/5267
23827         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
23828         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
23829         options.  Remove -mcall-solaris documentation.
23830
23831 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23832
23833         PR c++/13358
23834         * doc/invoke.texi (-Wlong-long): Update description.
23835         * c-lex (interpret_integer): Only warn if there was no previous
23836         overflow and -Wlong-long is enabled.
23837         * c-decl.c (declspecs_add_type): Drop redundant flags.
23838         * c.opt (Wlong-long): Init to -1.
23839         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
23840         and front-end warn_long_long. Wlong-long only depends on other
23841         flags if it is uninitialized.
23842         * c-parser.c (disable_extension_diagnostics): warn_long_long is
23843         the same for CPP and FE.
23844         (restore_extension_diagnostics): Likewise.
23845
23846 2009-04-20  Ian Lance Taylor  <iant@google.com>
23847
23848         Fix enum conversions which are invalid in C++:
23849         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
23850         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
23851         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
23852         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
23853         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
23854         (dbxout_parms): Likewise.
23855         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
23856         (df_clear_flags): Likewise.
23857         * df-problems.c (df_rd_bb_local_compute_process_def): Change
23858         top_flag parameter to int.
23859         (df_chain_create_bb_process_use): Likewise.
23860         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
23861         Remove cast.
23862         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
23863         (df_ref_create_structure, df_def_record_1): Likewise.
23864         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
23865         (df_notes_rescan): Change 0 to VOIDmode in function call.
23866         (df_get_call_refs, df_insn_refs_collect): Likewise.
23867         (df_bb_regs_collect): Likewise.
23868         (df_entry_block_defs_collect): Likewise.
23869         (df_exit_block_uses_collect): Likewise.
23870         * df.h: Update declarations.
23871         * double-int.c (double_int_divmod): Add cast to enum type.
23872         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
23873         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
23874         (based_loc_descr): Likewise.
23875         (loc_descriptor_from_tree_1): Change first_op and second_op to
23876         enum dwarf_location_atom.  Add cast to enum type.
23877         * expmed.c (init_expmed): Change 0 to SET in function call.
23878         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
23879         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
23880         (do_store_flag): Likewise.
23881         * fixed-value.h (struct fixed_value): Change mode to enum
23882         machine_mode.
23883         * function.c (assign_parms): Change 0 to VOIDmode in function call.
23884         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
23885         function call.
23886         (insert_insn_decl, insert_decl, insert_state): Likewise.
23887         (automata_list_finish): Likewise.
23888         * genrecog.c (process_define_predicate): Add cast to enum type.
23889         * gensupport.c (init_predicate_table): Add cast to enum type.
23890         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
23891         function call.
23892         (gimple_build_call_1, gimple_build_label): Likewise.
23893         (gimple_build_goto, gimple_build_asm_1): Likewise.
23894         (gimple_build_switch_1, gimple_build_cdt): Likewise.
23895         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
23896         (enum fallback): Rename from enum fallback_t.
23897         (fallback_t): Typedef as int.
23898         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
23899         GSI_SAME_STMT in function call.
23900         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
23901         enum type.
23902         (setup_reg_class_relations): Likewise.
23903         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
23904         (setup_prohibited_class_mode_regs): Add cast to enum type.
23905         (setup_prohibited_mode_move_regs): Likewise.
23906         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
23907         (record_address_regs): Change i to enum reg_class.
23908         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
23909         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
23910         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
23911         (GET_MODE_2XWIDER_MODE): Likewise.
23912         (GET_CLASS_NARROWEST_MODE): Likewise.
23913         * omp-low.c (expand_omp_for): Add cast to enum type.
23914         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
23915         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
23916         * postreload.c (reload_cse_simplify_operands): Change rclass local
23917         to enum reg_class.
23918         * predict.c (combine_predictions_for_insn): Change best_predictor
23919         and predictor to enum br_predictor.
23920         (combine_predictions_for_bb): Likewise.
23921         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
23922         use SET_PREDICT_EXPR_OUTCOME.
23923         * real.c (real_arithmetic): Change icode to code in function call.
23924         * reginfo.c (init_move_cost): Add casts to enum type.
23925         (init_reg_sets_1, init_fake_stack_mems): Likewise.
23926         * regmove.c (regclass_compatible_p): Change class0 and class1 to
23927         enum reg_class.
23928         * reload.c (find_valid_class): Add casts to enum type.
23929         (push_reload): Change 0 to NO_REGS in function call.
23930         (find_reloads): Change this_alternative to array of enum
23931         reg_class.  Remove some now-unnecessary casts.
23932         (make_memloc): Change 0 to VOIDmode in function call.
23933         * reload1.c (reload): Change 0 to VOIDmode in function call.
23934         (eliminate_regs_1, elimination_effects): Likewise.
23935         (eliminate_regs_in_insn): Likewise.
23936         (emit_input_reload_insns): Add cast to enum type.
23937         (delete_output_reload): Change 0 to VOIDmode in function call.
23938         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
23939         to enum type in function call.
23940         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
23941         (SET_PREDICT_EXPR_OUTCOME): Define.
23942         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
23943         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
23944         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
23945         (dump_function): Likewise.
23946         * tree-dump.h: Update declarations.
23947         * tree-pass.h: Update declarations.
23948         * varasm.c (assemble_integer): Change mclass to enum mode_class.
23949         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
23950         enum type.
23951         (arm_rtx_costs_1): Correct parenthesization.
23952         (arm_rtx_costs): Add casts to enum type.
23953         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
23954         (vfp_emit_fstmd): Use add_rg_note.
23955         (emit_multi_reg_push, emit_sfm): Likewise.
23956         (thumb_set_frame_pointer): Likewise.
23957         (arm_expand_prologue): Likewise.
23958         (arm_regno_class): Change return type to enum reg_class.
23959         (thumb1_expand_prologue): Use add_reg_note.
23960         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
23961         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
23962         in function call.
23963         * config/arm/gentune.sh: Add cast to enum type.
23964         * config/arm/arm-tune.md: Rebuild.
23965         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
23966         (ix86_split_fp_branch, predict_jump): Likewise.
23967         (ix86_expand_multi_arg_builtin): Change sub_code from enum
23968         insn_code to enum rtx_code.
23969         (ix86_builtin_vectorized_function): Add cast to enum type.
23970         * config/i386/i386.md (truncdfsf2): Change slot to enum
23971         ix86_stack_slot.
23972         (truncxf<mode>2, isinf<mode>2): Likewise.
23973         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
23974         enum type.
23975         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
23976         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
23977         (insert_bundle_state): Change 1 to INSERT in function call.
23978         (ia64_add_bundle_selector_before): Likewise.
23979         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
23980         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
23981         (restore_stack_nonlocal): Likewise.
23982         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
23983         function call.
23984         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
23985         function call.
23986         (mips_rtx_costs): Likewise.
23987         (mips_override_options): Add casts to enum type.
23988         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
23989         in function call.
23990         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
23991         (store_reg, set_reg_plus_d): Likewise.
23992         (hppa_expand_prologue, hppa_profile_hook): Likewise.
23993         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
23994         cast to enum type.
23995         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
23996         function call.
23997         (emit_unlikely_jump): Use add_reg_note.
23998         (rs6000_emit_allocate_stack): Likewise.
23999         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
24000         (output_toc): Change 1 to INSERT in function call.
24001         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
24002         (rs6000_initialize_trampoline): Likewise.
24003         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
24004         function call.
24005         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
24006         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
24007         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
24008         (save_gprs): Use add_reg_note.
24009         (s390_emit_prologue): Likewise.
24010         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
24011         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
24012         (sparc_fold_builtin): Add cast to enum type.
24013         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
24014         enum insn_code.
24015         (spu_expand_prologue): Use add_reg_note.
24016         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
24017
24018 2009-04-20  Ian Lance Taylor  <iant@google.com>
24019
24020         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
24021         (c_parser_postfix_expression_after_primary): Get VEC for list of
24022         arguments.  Get original types of arguments.  Call
24023         build_function_call_vec.
24024         (cached_expr_list_1, cached_expr_list_2): New static variables.
24025         (c_parser_expr_list): Change return type to VEC *.  Add
24026         p_orig_types parameter.  Change all callers.
24027         (c_parser_release_expr): New static function.
24028         (c_parser_vec_to_tree_list): New static function.
24029         * c-typeck.c (build_function_call): Rewrite to build a VEC and
24030         call build_function_call_vec.
24031         (build_function_call_vec): New function, based on old
24032         build_function_call.
24033         (convert_arguments): Remove nargs and argarray parameters.  Change
24034         values to a VEC.  Add origtypes parameter.
24035         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
24036         (convert_for_assignment): Add origtype parameter.  Change all
24037         callers.  If warn_cxx_compat, check for conversion to an enum
24038         type when calling a function.
24039         (store_init_value): Add origtype parameter.  Change all callers.
24040         (digest_init): Likewise.
24041         (struct init_node): Add origtype field.
24042         (add_pending_init): Add origtype parameter.  Change all callers.
24043         (output_init_element): Likewise.
24044         (output_pending_init_elements): Pass origtype from init_node to
24045         output_init_element.
24046         (process_init_element): Pass origtype from c_expr to
24047         output_init_element.
24048         (c_finish_return): Add origtype parameter.  Change all callers.
24049         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
24050         caller.
24051         (sync_resolve_params): Likewise.
24052         (sync_resolve_return): Change params to first_param.  Change caller.
24053         (resolve_overloaded_builtins): Change params to VEC *.  Change
24054         callers.  Save first parameter around call to build_function_call_vec.
24055         * c-decl.c (finish_decl): Add origtype parameter.  Change all
24056         callers.  Call build_function_call_vec rather than
24057         build_function_call for cleanup.
24058         * c-tree.h: Update declarations.
24059         * c-common.h: Update declarations.
24060         * stub-objc.c (objc_rewrite_function_call): Change parameter from
24061         params to first_param.
24062         * target.h (struct gcc_target): Change resolve_overloaded_builtin
24063         params parameter from tree to void *.
24064         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
24065         Change arglist parameter to have type void *, and to be a pointer
24066         to a VEC.
24067         * config/rs6000/rs6000-protos.h
24068         (altivec_resolve_overloaded_builtin): Update declaration.
24069         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
24070         fnargs parameter to have type void *, and to be a pointer to a
24071         VEC.  Call build_function_call_vec instead of
24072         build_function_call.
24073         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
24074
24075 2009-04-20  Joey Ye  <joey.ye@intel.com>
24076             Xuepeng Guo  <xuepeng.guo@intel.com>
24077             H.J. Lu  <hongjiu.lu@intel.com>
24078
24079         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
24080
24081         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
24082         (IX86_LEA_PRIORITY): Likewise.
24083         (distance_non_agu_define): New function.
24084         (distance_agu_use): Likewise.
24085         (ix86_lea_for_add_ok): Likewise.
24086         (ix86_dep_by_shift_count): Likewise.
24087
24088         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
24089         should split for LEA.
24090
24091         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
24092         function.
24093         (ix86_dep_by_shift_count): Likewise.
24094
24095 2009-04-20  Richard Guenther  <rguenther@suse.de>
24096
24097         * expr.c (handled_component_p): Move ...
24098         * tree.h (handled_component_p): ... here.
24099         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
24100         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
24101         and REALPART_EXPR to be in one group.
24102
24103 2009-04-20  Richard Guenther  <rguenther@suse.de>
24104
24105         * basic-block.h (get_all_dominated_blocks): Declare.
24106         * dominance.c (get_all_dominated_blocks): New function.
24107         * tree-cfg.c (get_all_dominated_blocks): Remove.
24108         (remove_edge_and_dominated_blocks): Adjust.
24109         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
24110         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
24111         instead of recursing.
24112
24113 2009-04-20  Doug Kwan  <dougkwan@google.com>
24114
24115         * cgraph.h (cgraph_node_ptr): New type for vector functions.
24116         (struct cgraph_node_set_def): New type.
24117         (cgraph_node_set) New type. Also declare vector functions.
24118         (struct cgraph_node_set_element_def): New type.
24119         (cgraph_node_set_element): Ditto.
24120         (cgraph_node_set_iterator): New iterator type.
24121         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
24122         cgraph_node_set_remove, dump_cgraph_node_set,
24123         debug_cgraph_node_set): New prototypes.
24124         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
24125         cgraph_node_set_size): New inlines.
24126         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
24127         including cgraph.h.
24128         (struct ipa_opt_pass): Add struct cgraph_node_set_def
24129         argument to function 'write_summary'.
24130         * ipa.c: Include ggc.h.
24131         (hash_cgraph_node_set_element,
24132         eq_cgraph_node_set_element, cgraph_node_set_new,
24133         cgraph_node_set_add, cgraph_node_set_remove,
24134         cgraph_node_set_find, dump_cgraph_node_set,
24135         debug_cgraph_node_set): New functions.
24136         * Makefile.in (ipa.o): Add dependency on GGC_H.
24137
24138 2009-04-20  Ira Rosen  <irar@il.ibm.com>
24139
24140         PR tree-optimization/39675
24141         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
24142         check of the return code of vect_schedule_slp. Check that
24143         stmt_vec_info still exists for the statement, before checking its
24144         vectorization type.
24145
24146 2009-04-20  Michael Matz  <matz@suse.de>
24147
24148         * Makefile.in (generated_files): Take out $(simple_generated_c).
24149
24150 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
24151
24152         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
24153         (UINTPTR_TYPE):  Likewise.
24154
24155 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
24156
24157         PR c/37481
24158         * c-typeck.c (digest_init): Check for initializing an array with a
24159         string literal.
24160
24161 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
24162
24163         PR c/19771
24164         * c-semantics.c (pop_stmt_list): Propagate
24165         STATEMENT_LIST_HAS_LABEL to parent statement list.
24166
24167 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
24168
24169         * config/mips/mips.h (mips_tune_attr): New macro.
24170         * config/mips/mips.md (cpu): Use it.
24171
24172 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
24173
24174         PR c/38243
24175         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
24176         declaring a tag.
24177
24178 2009-04-19  Diego Novillo  <dnovillo@google.com>
24179
24180         * toplev.c (compile_file): Move call to coverage_finish ...
24181         * cgraphunit.c (ipa_passes): ... here.
24182         Call cgraph_process_new_functions.
24183         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
24184         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
24185
24186 2009-04-19  Jan Hubicka  <jh@suse.cz>
24187
24188         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
24189         cfun.
24190         (dump_cgraph_node): Dump can throw external flag.
24191         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
24192
24193 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24194
24195         PR c/32061
24196         PR c++/36954
24197         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
24198         * common.opt (Wlogical-op): Move from here...
24199         * c.opt (Wlogical-op): ... to here.
24200         * c-typeck.c (parser_build_binary_op): Update call to
24201         warn_logical_operator.
24202         * c-opts.c (c_common_post_options): Enable warn_logical_op with
24203         extra_warnings.
24204         * c-common.c (warn_logical_op): Update.
24205         * c-common.h (warn_logical_op): Update declaration.
24206
24207 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
24208
24209         * tree.c (protected_set_expr_location): Fix formatting.
24210
24211 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
24212
24213         PR c/27676
24214         * c-typeck.c (readonly_warning): new.
24215         (build_unary_op, build_modify_expr): Use readonly_warning for
24216         storing into something readonly but not const-qualified.
24217
24218 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
24219
24220         PR c/22367
24221         * c-typeck.c (build_unary_op): Check for taking address of
24222         expression of type void.
24223
24224 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
24225
24226         PR c/35210
24227         * c-typeck.c (build_function_call): Check for calling a function
24228         with qualified void return types.  Call require_complete_type when
24229         generating a trap.
24230
24231 2009-04-18  Jan Hubicka  <jh@suse.cz>
24232
24233         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
24234         Set nothrow flag.
24235         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
24236         can_throw_external flag.
24237         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
24238         * ipa-pure-const.c (ignore_edge): New function.
24239         (propagate): Compute order for NOTHROW computation; set NOTHROWs
24240         only over can_throw_external edges.
24241         (local_pure_const): Add nothrow flag.
24242         * ipa-utils.c (searchc): Add ignore_edge callback.
24243         (ipa_utils_reduced_inorder): Add ignore_edge callback.
24244         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
24245         (set_nothrow_function_flags): Update cgraph.
24246         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
24247
24248 2009-04-18  Richard Guenther  <rguenther@suse.de>
24249
24250         PR middle-end/39804
24251         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
24252         (fold_stmt): ... this and ...
24253         (fold_stmt_inplace): ... this.
24254         (fold_stmt_1): Fold references in calls and asms.
24255         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
24256
24257 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24258
24259         * tree-vrp.c (ssa_name_nonzero_p): Remove.
24260         * tree.h: Remove the prototype for ssa_name_nonzero_p.
24261
24262 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24263
24264         * tree.c (function_args_count): Remove.
24265         * tree.h: Remove the prototype for function_args_count.
24266
24267 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24268
24269         * tree-iterator.c (expr_only): Remove.
24270         * tree.h: Remove the prototype for expr_only.
24271
24272 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24273
24274         * reginfo.c (cannot_change_mode_set_regs): Remove.
24275         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
24276
24277 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
24278
24279         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
24280         whether operands 0 and 1 overlaps.
24281
24282 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
24283
24284         PR middle-end/36902
24285         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
24286         pointer. Use warning_at instead of warning.
24287         (search_for_addr_array): Likewise.
24288         (check_array_bounds): Likewise.
24289         (check_all_array_refs): Check that the incoming edge is not in the
24290         list of edges to be removed.
24291         (check_all_array_refs): Avoid the temporal pointer.
24292         (vrp_visit_cond_stmt): Fix typo.
24293         (simplify_switch_using_ranges): Handle the case where the switch
24294         index is an integer constant.
24295
24296 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
24297
24298         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
24299
24300 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
24301
24302         * doc/extend.texi, doc/invoke.texi: Fix typos.
24303
24304 2009-04-17  Cary Coutant  <ccoutant@google.com>
24305
24306         * tree-flow-inline.h (get_lineno): Fix inverted test.
24307
24308 2009-04-17  Diego Novillo  <dnovillo@google.com>
24309
24310         * tree-ssa-pre.c (create_expression_by_pieces): Remove
24311         assertion for AVAIL_OUT.
24312
24313 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
24314
24315         PR target/38627
24316         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
24317         * config/sh/linux-atomic.asm: Likewise.
24318
24319 2009-04-17  Diego Novillo  <dnovillo@google.com>
24320
24321         * except.c (debug_eh_tree): New.
24322         (struct eh_region, struct eh_status): Move ...
24323         * except.h: ... here.
24324         (add_type_for_runtime): Declare extern.
24325         (lookup_type_for_runtime): Likewise.
24326         (debug_eh_tree): Declare.
24327         * Makefile.in (GTFILES): List except.h before except.c
24328
24329 2009-04-17  Diego Novillo  <dnovillo@google.com>
24330
24331         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
24332         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
24333         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
24334         (find_vars_r): ... here.
24335         * tree-flow.h (find_referenced_vars_in): Declare.
24336         * tree-ssa-pre.c (create_expression_by_pieces): Assert
24337         that AVAIL_OUT exists for BLOCK.
24338         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
24339         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
24340         (tree-parloops.o): Likewise.
24341
24342 2009-04-17  Simon Baldwin  <simonb@google.com>
24343
24344         * toplev.c (default_tree_printer): Add handling for %E format.
24345
24346 2009-04-17  Diego Novillo  <dnovillo@google.com>
24347
24348         * tree-pretty-print.c (dump_generic_node): Add break after
24349         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
24350         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
24351         FUNCTION_TYPE together.  Call print_struct_decl when printing
24352         structures and TDF_SLIM is not given.
24353         (print_struct_decl): Fix logic for detecting recursion.
24354
24355 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
24356
24357         PR 31567
24358         * gcc.c (create_at_file): New.
24359         (compile_input_file_p): New.
24360         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
24361         * main.c (main): Update call to toplev_main.
24362         * toplev.c (toplev_main): Change signature. Call expandargv.
24363         * toplev.h (toplev_main): Change signature.
24364
24365 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
24366
24367         * dwarf2out.c (field_byte_offset): Use the type size as the field size
24368         if the latter is not constant.
24369
24370 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
24371
24372         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
24373
24374 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
24375
24376         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
24377         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
24378
24379 2009-04-17  Richard Guenther  <rguenther@suse.de>
24380
24381         * tree-ssa-structalias.c (get_constraint_for_component_ref):
24382         Handle component references view-converting an invariant address.
24383
24384 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
24385
24386         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
24387         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
24388         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
24389         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
24390         Use @deftypevr rather than @deftypevar.
24391
24392 2009-04-17  Richard Guenther  <rguenther@suse.de>
24393
24394         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
24395         (get_prop_source_stmt): Likewise.
24396         (can_propagate_from): Likewise.
24397
24398 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
24399
24400         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
24401         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
24402         (--with-multilib-list): Add default value.
24403         * configure: Regenerate.
24404         * Makefile.in (TM_ENDIAN_CONFIG): Define.
24405         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
24406         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
24407         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
24408         Don't add default cpu to multilib list unnecessarily, but do enable
24409         the relevant compiler option..
24410         Add support for --with-multilib-list=<blank> and
24411         --with-multilib-list=!<somelib> to supress unwanted multilibs.
24412         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
24413         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
24414         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
24415         TM_MULTILIB_CONFIG.
24416         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
24417         (MULTILIB_OSDIRNAMES): New variable.
24418         * config/sh/t-1e: Delete file.
24419         * config/sh/t-mlib-sh1: Delete file.
24420         * config/sh/t-mlib-sh2: Delete file.
24421         * config/sh/t-mlib-sh2a: Delete file.
24422         * config/sh/t-mlib-sh2a-nofpu: Delete file.
24423         * config/sh/t-mlib-sh2a-single: Delete file.
24424         * config/sh/t-mlib-sh2a-single-only: Delete file.
24425         * config/sh/t-mlib-sh2e: Delete file.
24426         * config/sh/t-mlib-sh3e: Delete file.
24427         * config/sh/t-mlib-sh4: Delete file.
24428         * config/sh/t-mlib-sh4-nofpu: Delete file.
24429         * config/sh/t-mlib-sh4-single: Delete file.
24430         * config/sh/t-mlib-sh4-single-only: Delete file.
24431         * config/sh/t-mlib-sh4a: Delete file.
24432         * config/sh/t-mlib-sh4a-nofpu: Delete file.
24433         * config/sh/t-mlib-sh4a-single: Delete file.
24434         * config/sh/t-mlib-sh4a-single-only: Delete file.
24435         * config/sh/t-mlib-sh4al: Delete file.
24436         * config/sh/t-mlib-sh5-32media: Delete file.
24437         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
24438         * config/sh/t-mlib-sh5-64media: Delete file.
24439         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
24440         * config/sh/t-mlib-sh5-compact: Delete file.
24441         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
24442         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
24443         * doc/install.texi (Options specification): Add
24444         --with-multilib-list and --with-endian.
24445
24446 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
24447
24448         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
24449         REVISION_c.
24450         (OBJS-common): Add plugin-version.o.
24451         (plugin-version.o): New.
24452         * gcc-plugin.h (plugin_gcc_version): New.
24453         (plugin_default_version_check): New.
24454         (plugin_init_func, plugin_init): Add version argument.
24455         * plugin-version.c: New.
24456         * plugin.c (str_plugin_gcc_version_name): New.
24457         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
24458         pass it to the init function.
24459         (plugin_default_version_check): New.
24460
24461 2009-04-17  Richard Guenther  <rguenther@suse.de>
24462
24463         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
24464         for decl-vs-decl disambiguation.
24465
24466 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
24467
24468         * config/s390/s390.h (s390_tune_attr): New macro definition.
24469         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
24470
24471 2009-04-17  Richard Guenther  <rguenther@suse.de>
24472
24473         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
24474         (fold_stmt_r): Likewise.
24475         (maybe_fold_reference): New function.
24476         (fold_gimple_assign): Handle cases fold_stmt_r did.
24477         (fold_stmt): Do not use fold_stmt_r.
24478         (fold_stmt_inplace): Likewise.
24479
24480 2009-04-17  Richard Guenther  <rguenther@suse.de>
24481
24482         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
24483         (record_equivalences_from_stmt): Remove useless checks and
24484         simplifications.
24485         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
24486         the type is already suitable.
24487
24488 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
24489
24490         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
24491
24492 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
24493
24494         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
24495         (CMPtype): Define as __gcc_CMPtype.
24496
24497 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
24498
24499         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
24500         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
24501
24502 2009-04-17  Richard Guenther  <rguenther@suse.de>
24503
24504         PR tree-optimization/39746
24505         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
24506         special-casing for builtins and static variable use/def.
24507         (call_may_clobber_ref_p_1): Likewise.
24508
24509 2009-04-16  Ian Lance Taylor  <iant@google.com>
24510
24511         * df.h: Include "timevar.h".
24512         (struct df_problem): Change tv_id field to timevar_id_t.
24513         * tree-pass.h: Include "timevar.h".
24514         (struct opt_pass): Change tv_id field to timevar_id_t.
24515         * timevar.h (timevar_id_t): Define TV_NONE.
24516         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
24517         TV_NONE rather than tv_id != 0.
24518         (execute_one_pass): Likewise.
24519         * Makefile.in (DF_H): Add $(TIMEVAR_H).
24520         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
24521         dependencies to $(TREE_PASS_H).
24522         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
24523         to TV_NONE.
24524         (pass_branch_target_load_optimize2): Likewise.
24525         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
24526         (pass_outof_cfg_layout_mode): Likewise.
24527         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
24528         (pass_rebuild_cgraph_edges): Likewise.
24529         (pass_remove_cgraph_callee_edges): Likewise.
24530         * df-core.c (pass_df_initialize_opt): Likewise.
24531         (pass_df_initialize_no_opt): Likewise.
24532         (pass_df_finish): Likewise.
24533         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
24534         * except.c (pass_set_nothrow_function_flags): Likewise.
24535         (pass_convert_to_eh_region_ranges): Likewise.
24536         * final.c (pass_compute_alignments): Likewise.
24537         * function.c (pass_instantiate_virtual_regs): Likewise.
24538         (pass_init_function): Likewise.
24539         (pass_leaf_regs): Likewise.
24540         (pass_match_asm_constraints): Likewise.
24541         * gimple-low.c (pass_lower_cf): Likewise.
24542         (pass_mark_used_blocks): Likewise.
24543         * init-regs.c (pass_initialize_regs): Likewise.
24544         * integrate.c (pass_initial_value_sets): Likewise.
24545         * ira.c (pass_ira): Likewise.
24546         * jump.c (pass_cleanup_barriers): Likewise.
24547         * omp-low.c (pass_expand_omp): Likewise.
24548         (pass_lower_omp): Likewise.
24549         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
24550         * recog.c (pass_split_all_insns): Likewise.
24551         (pass_split_after_reload): Likewise.
24552         (pass_split_before_regstack): Likewise.
24553         (pass_split_before_sched2): Likewise.
24554         (pass_split_for_shorten_branches): Likewise.
24555         * reginfo.c (pass_reginfo_init): Likewise.
24556         (pass_subregs_of_mode_init): Likewise.
24557         (pass_subregs_of_mode_finish): Likewise.
24558         * passes.c (pass_postreload): Likewise.
24559         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
24560         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
24561         (pass_warn_function_return): Likewise.
24562         (pass_warn_function_noreturn): Likewise.
24563         * tree-complex.c (pass_lower_complex): Likewise.
24564         (pass_lower_complex_O0): Likewise.
24565         * tree-if-conv.c (pass_if_conversion): Likewise.
24566         * tree-into-ssa.c (pass_build_ssa): Likewise.
24567         * tree-mudflap.c (pass_mudflap_1): Likewise.
24568         (pass_mudflap_2): Likewise.
24569         * tree-nomudflap.c (pass_mudflap_1): Likewise.
24570         (pass_mudflap_2): Likewise.
24571         * tree-nrv.c (pass_return_slot): Likewise.
24572         * tree-object-size.c (pass_object_sizes): Likewise.
24573         * tree-optimize.c (pass_all_optimizations): Likewise.
24574         (pass_early_local_passes): Likewise.
24575         (pass_all_early_optimizations): Likewise.
24576         (pass_cleanup_cfg): Likewise.
24577         (pass_cleanup_cfg_post_optimizing): Likewise.
24578         (pass_free_datastructures): Likewise.
24579         (pass_free_cfg_annotations): Likewise.
24580         (pass_fixup_cfg): Likewise.
24581         (pass_init_datastructures): Likewise.
24582         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
24583         (pass_late_warn_uninitialized): Likewise.
24584         (pass_update_address_taken): Likewise.
24585         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
24586         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
24587         (pass_cse_sincos): Likewise.
24588         (pass_convert_to_rsqrt): Likewise.
24589         * tree-ssa-structalias.c (pass_build_alias): Likewise.
24590         * tree-stdarg.c (pass_stdarg): Likewise.
24591         * tree-tailcall.c (pass_tail_recursion): Likewise.
24592         (pass_tail_calls): Likewise.
24593         * tree-vect-generic.c (pass_lower_vector): Likewise.
24594         (pass_lower_vector_ssa): Likewise.
24595         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
24596
24597 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
24598
24599         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
24600         XLR entry.
24601         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
24602         Handle -march=xlr.
24603         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
24604         logical and signext.
24605
24606 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
24607
24608         PR target/39767
24609         * config/sh/predicates.md (arith_operand): Check if the operand
24610         of TRUNCATE is a REG.
24611
24612 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24613
24614         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
24615         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
24616
24617 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24618
24619         * tree-iterator.c (tsi_split_statement_list_after,
24620         tsi_split_statement_list_before): Remove.
24621         * tree-iterator.h: Remove the prototypes for
24622         tsi_split_statement_list_after and tsi_split_statement_list_before.
24623
24624 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24625
24626         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
24627         * tree-ssa-propagate.h: Remove the prototype for
24628         stmt_makes_single_load.
24629
24630 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24631
24632         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
24633         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
24634
24635 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24636
24637         * tree-iterator.c (EXPR_LAST_BODY): Remove.
24638
24639 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24640
24641         * except.c (eh_region_outer_p): Remove.
24642         * except.h: Remove the prototype for eh_region_outer_p.
24643
24644 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
24645
24646         * function.c (current_function_assembler_name): Remove.
24647         * function.h: Remove the prototype for
24648         current_function_assembler_name.
24649
24650 2009-04-16  Ian Lance Taylor  <iant@google.com>
24651
24652         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
24653         (add_reg_note): Call alloc_reg_note.
24654         * rtl.h (alloc_reg_note): Declare.
24655         * combine.c (try_combine): Use alloc_reg_note.
24656         (recog_for_combine, move_deaths): Likewise.
24657         (distribute_notes): Use alloc_reg_note and add_reg_note.
24658         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
24659         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
24660         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
24661
24662 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
24663
24664         PR rtl-optimization/39762
24665         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
24666         ira_may_move_out_cost): Add comments about way of their usage.
24667         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
24668
24669         * ira-conflicts.c (process_regs_for_copy): Use function
24670         ira_get_register_move_cost instead of global
24671         ira_register_move_cost.
24672
24673         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
24674         color_pass, move_spill_restore, update_curr_costs): Ditto.
24675
24676         * ira-lives.c (process_single_reg_class_operands): Ditto.
24677
24678         * ira-emit.c (emit_move_list): Ditto.
24679
24680         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
24681         (record_reg_classes): Ditto.  Use functions
24682         ira_get_register_move_cost and ira_get_may_move_cost instead of
24683         global vars ira_register_move_cost, ira_may_move_out_cost and
24684         ira_may_move_in_cost.
24685         (record_address_regs): Don't call ira_init_register_move_cost.
24686         Use function ira_get_may_move_cost instead of global
24687         ira_may_move_in_cost.
24688         (process_bb_node_for_hard_reg_moves): Use function
24689         ira_get_register_move_cost instead of global ira_register_move_cost.
24690         (ira_costs): Don't call ira_init_register_move_cost.
24691
24692 2009-04-16  Richard Guenther  <rguenther@suse.de>
24693
24694         * tree-cfg.c (verify_gimple_assign_binary):
24695         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
24696         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
24697         (create_general_new_stmt): Note that this function is broken.
24698
24699 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
24700
24701         * common.opt (fhelp): Add Var(help_flag).
24702         * gcc-plugin.h (plugin_info): Add help.
24703         * plugin.c (plugin_name_args): Add help.
24704         (register_plugin_info): Set plugin->help.
24705         (print_help_one_plugin): New.
24706         (print_plugins_help): New.
24707         * plugin.h (print_plugins_help): New.
24708         * toplev.c (toplev_main): Call print_plugins_help if needed.
24709
24710 2009-04-16  Richard Guenther  <rguenther@suse.de>
24711
24712         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
24713         (gimple_ior_addresses_taken_1): New function.
24714         (gimple_ior_addresses_taken): Likewise.
24715         * gimple.h (struct gimple_statement_with_ops_base): Remove
24716         addresses_taken member.
24717         (gimple_ior_addresses_taken): Declare.
24718         (gimple_addresses_taken, gimple_addresses_taken_ptr,
24719         gimple_set_addresses_taken): Remove.
24720         * ipa-reference.c (mark_address): New function.
24721         (scan_stmt_for_static_refs): Use it for marking addresses taken.
24722         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
24723         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
24724         (gimple_add_to_addresses_taken): Remove.
24725         (get_tmr_operands): Call mark_address_taken.
24726         (get_asm_expr_operands): Likewise.
24727         (get_expr_operands): Likewise.
24728         (build_ssa_operands): Do not clear the addresses_taken bitmap.
24729         (free_stmt_operands): Do not free it.
24730         * tree-ssa.c (delete_tree_ssa): Likewise.
24731         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
24732
24733 2009-04-16  Richard Guenther  <rguenther@suse.de>
24734
24735         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
24736         (walk_stmt_load_store_ops): Likewise.
24737         * gimple.c (get_base_loadstore): New function.
24738         (walk_stmt_load_store_addr_ops): Likewise.
24739         (walk_stmt_load_store_ops): Likewise.
24740         * ipa-pure-const.c (check_op): Simplify.
24741         (check_load, check_store): New functions.
24742         (check_stmt): Use walk_stmt_load_store_ops.
24743         * ipa-reference.c (mark_load): Adjust signature.
24744         (mark_store): Likewise.
24745         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
24746
24747 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
24748
24749         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
24750         (plugin_info): New.
24751         * opts.c (common_handle_option): Don't call print_version.
24752         * plugin.c (plugin_name_args): Add version.
24753         (register_plugin_info): New.
24754         (register_callback): Handle PLUGIN_INFO.
24755         (try_init_one_plugin): New.
24756         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
24757         if failed to init.
24758         (finalize_one_plugin): New.
24759         (finalize_plugins): New.
24760         (print_one_plugin): New.
24761         (print_plugins_versions): New.
24762         * plugin.h (print_plugins_versions): New.
24763         (finalize_plugins): New.
24764         * toplev.c (compile_file): Don't call initialize_plugins.
24765         (print_version): Call print_plugins_versions.
24766         (toplev_main): Call initialize_plugins. Print version if needed.
24767         Call finalize_plugins.
24768
24769 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
24770
24771         * common.opt (fversion): New.
24772         * gcc.c (print_version): New.
24773         (process_command): Don't print the version. Just set print_version.
24774         (main): Print version. Call subprocesses if print_version and
24775         verbose_flag are set.
24776         * opts.c (common_handle_option): Handle OPT_fversion.
24777
24778 2009-04-16  Richard Guenther  <rguenther@suse.de>
24779             Ira Rosen  <irar@il.ibm.com>
24780
24781         PR tree-optimization/39698
24782         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
24783         type of the reduction variable.  Only generate the def if
24784         it is needed.
24785
24786         * omp-low.c (expand_omp_for_generic): When converting to a pointer
24787         make sure to first convert to an integer of the same precision.
24788         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
24789         the type of the evolution correctly in computing the new
24790         induction variable base.
24791
24792 2009-04-16  Richard Guenther  <rguenther@suse.de>
24793
24794         PR middle-end/39625
24795         * tree-cfg.c (make_blocks): Split statements with to-be
24796         abnormal SSA names on the lhs.
24797
24798 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
24799
24800         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
24801         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
24802         * c-typeck.c (really_start_incremental_init): Likewise.
24803         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
24804         (TARGET_INITIALIZER): Remove it.
24805         * target.h (struct target): Remove vector_opaque_p.
24806         * tree.c (build_opaque_vector_type): New.
24807         * tree.h (TYPE_VECTOR_OPAQUE): New.
24808         (build_opaque_vector_type): Declare.
24809         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
24810         * config/rs6000/rs6000.c (build_opaque_vector_type,
24811         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
24812         (rs6000_init_builtins): Use build_opaque_vector_type for
24813         opaque_V4SI_type_node.
24814
24815 2009-04-15  Catherine Moore  <clm@codesourcery.com>
24816
24817         * debug.h (set_name):  Declare.
24818         * dwarf2out.c (dwarf2out_set_name): Declare.
24819         (dwarf2_debug_hooks): Add set_name.
24820         (find_AT_string): New.
24821         (add_AT_string): Call find_AT_string.
24822         (dwarf2out_set_name): New.
24823         * cp/decl.c (grokdeclarator): Call set_name.
24824         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
24825         * debug.c (do_nothing_debug_hooks):  Likewise.
24826         * dbxout.c (dbx_debug_hooks): Likewise.
24827         * sdbout.c (sdb_debug_hooks): Likewise.
24828
24829 2009-04-15  Michael Eager  <eager@eagercon.com>
24830
24831         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
24832         reg for single-precision FPU.
24833         * config/rs6000/rs6000.md (movsi_internal1): Only for
24834         !TARGET_SINGLE_FPU.
24835         (movsi_internal1_single): New. Add pattern to move SI values to/from
24836         single-precision FP regs.
24837
24838 2009-04-15  Richard Guenther  <rguenther@suse.de>
24839
24840         * omp-low.c (lower_rec_input_clauses): Build correct address
24841         expressions.
24842         (expand_omp_for_generic): Fix multiplication type.
24843         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
24844         (generate_memset_zero): Fix types.
24845         * tree-profile.c (prepare_instrumented_value): Correctly
24846         widen a pointer.
24847
24848 2009-04-15  Ian Lance Taylor  <iant@google.com>
24849
24850         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
24851         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
24852         for -Wall and for -Wc++-compat.
24853         (c_common_post_options): For C++, set warn_enum_compare if not
24854         already set.
24855         * c-tree.h (struct c_expr): Add field original_type.
24856         (build_external_ref): Update declaration.
24857         * c-parser.c (c_parser_braced_init): Set original_type.
24858         (c_parser_initelt): Likewise.
24859         (c_parser_expr_no_commas): Likewise.
24860         (c_parser_conditional_expression): Likewise.
24861         (c_parser_cast_expression): Likewise.
24862         (c_parser_unary_expression): Likewise.  Pull setting of
24863         original_code to top of function.
24864         (c_parser_sizeof_expression): Set original_type.
24865         (c_parser_alignof_expression): Likewise.
24866         (c_parser_postfix_expression): Likewise.  Pull setting of
24867         original_code to top of function.
24868         (c_parser_postfix_expression_after_paren_type): Set original_type.
24869         (c_parser_postfix_expression_after_primary): Likewise.
24870         (c_parser_expression): Likewise.
24871         * c-typeck.c (build_external_ref): Add type parameter.  Change all
24872         callers.
24873         (c_expr_sizeof_expr): Set original_type field.
24874         (parser_build_unary_op): Likewise.
24875         (parser_build_binary_op): Likewise.  Optionally warn about
24876         comparisons of enums of different types.
24877         (digest_init): Set original_type field.
24878         (really_start_incremental_init): Likewise.
24879         (push_init_level, pop_init_level): Likewise.
24880         * doc/invoke.texi (Warning Options): -Wenum-compare now
24881         supported in C.
24882
24883 2009-04-15  Richard Guenther  <rguenther@suse.de>
24884
24885         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
24886         out a necessary conversion.
24887         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
24888         names we didn't value number.
24889         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
24890
24891 2009-04-15  Richard Guenther  <rguenther@suse.de>
24892
24893         PR tree-optimization/39764
24894         * tree-ssa-ccp.c (get_value): Canonicalize value with
24895         canonicalize_float_value.
24896
24897 2009-04-15  Jan Hubicka  <jh@suse.cz>
24898
24899         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
24900         Wrong version of patch.
24901
24902 2009-04-15  Jan Hubicka  <jh@suse.cz>
24903
24904         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
24905
24906 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
24907
24908         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
24909         our distinct integral and vector types.
24910
24911 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
24912
24913         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
24914         * init.c (build_vtbl_address): Remove call to assemble_external.
24915
24916 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
24917
24918         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
24919         output for other floating point modes.
24920
24921 2009-04-14  Diego Novillo  <dnovillo@google.com>
24922
24923         * diagnostic.c (diagnostic_report_diagnostic): Do not
24924         warn about loaded plugins for DK_ERROR and DK_WARNING.
24925         * c-decl.c (declspecs_add_type): Move call to
24926         invoke_plugin_callbacks ...
24927         * c-parser.c (c_parser_declspecs): ... here.
24928         * plugin.c (dump_active_plugins): Tidy output.
24929
24930 2009-04-14  Diego Novillo  <dnovillo@google.com>
24931             Le-Chun Wu  <lcwu@google.com>
24932
24933         * configure.ac: Add --enable-plugin support.
24934         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
24935         * Makefile.in (PLUGIN_H): Define.
24936         Export ENABLE_PLUGIN and GMPINC to site.exp.
24937         Add PLUGINLIBS to link command.
24938         Add/modify dependencies for plugin.o and files including plugin.h.
24939         (plugin.o): New.
24940         * config.in: Regenerate.
24941
24942         * opts.c (common_handle_option): Handle OPT_fplugin_ and
24943         OPT_fplugin_arg_.
24944
24945 2009-04-14  Le-Chun Wu  <lcwu@google.com>
24946
24947         * tree-pass.h (register_one_dump_file): Add a prototype for
24948         register_one_dump_file.
24949         * toplev.c (compile_file): Call initialize_plugins.
24950         (do_compile): Call invoke_plugin_callbacks.
24951         (toplev_main): Call invoke_plugin_callbacks.
24952         * common.opt: Add -fplugin= and -fplugin-arg-.
24953         * gcc-plugin.h: New public header file for plugins to include.
24954         * plugin.c: New source file.
24955         * plugin.h: New internal header file.
24956         * passes.c (register_one_dump_file): Make it external.
24957
24958         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
24959
24960 2009-04-14  Diego Novillo  <dnovillo@google.com>
24961
24962         * doc/plugins.texi: New.
24963         * doc/gccint.texi: Add reference to Plugins chapter.
24964         * doc/invoke.texi: Document -fplugin and -fplugin-arg
24965         * diagnostic.c (diagnostic_report_diagnostic): Warn about
24966         loaded plugins, if any.
24967         * timevar.def (TV_PLUGIN_INIT): Define.
24968         (TV_PLUGIN_RUN): Define.
24969         * plugin.c: Include timevar.h
24970         (plugins_active_p): New.
24971         (dump_active_plugins): New.
24972         (debug_active_plugins): New.
24973
24974 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
24975
24976         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
24977         library paths.
24978         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
24979
24980 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
24981
24982         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
24983         the same as a minus without a shift.
24984
24985 2009-04-14  Nick Clifton  <nickc@redhat.com>
24986
24987         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
24988         comparisons with small integers will always produce a short
24989         branch.
24990
24991 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
24992
24993         Merge:
24994         2008-12-19  Diego Novillo  <dnovillo@google.com>
24995
24996         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
24997
24998 2009-04-14  Richard Guenther  <rguenther@suse.de>
24999
25000         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
25001         verification.
25002         (verify_gimple_assign_binary): Likewise.  Handle shifts and
25003         rotates correctly.
25004         (verify_gimple_phi): Print the mismatched argument position.
25005         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
25006         Fix types.
25007         (vect_update_init_of_dr): Likewise.
25008         * matrix-reorg.c (transform_access_sites): Do what the
25009         comment suggests.
25010         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
25011
25012 2009-04-13  Michael Eager  <eager@eagercon.com>
25013
25014         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
25015         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
25016         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
25017         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
25018         remove duplicate config
25019
25020 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
25021
25022         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
25023         file_name:line_number type locator of the call site.
25024
25025 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
25026
25027         * genautomata.c: Put blank after comma.
25028         (automaton_decls): New.
25029         (struct unit_usage): Add comments to member next.
25030         (store_alt_unit_usage): Keep the list ordered.
25031         (unit_present_on_list_p, equal_alternatives_p): New.
25032         (check_regexp_units_distribution): Check units distribution
25033         correctness correctly.
25034         (main): Don't write automata if error is found.  Return correct
25035         exit code.
25036
25037         * config/m68k/cf.md (cfv4_ds): Remove.
25038         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
25039         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
25040
25041         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
25042         power4-load-ext, power4-store, power4-store-update,
25043         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
25044         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
25045         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
25046         power4-sqrt, power4-isync): Modify reservation to make correct
25047         unit distribution to automata.
25048
25049         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
25050         power5-store-update, power5-two, power5-three, power5-lmul,
25051         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
25052
25053 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
25054
25055         * except.c (pass_set_nothrow_function_flags): Set name and add
25056         TODO_dump_func.
25057         (set_nothrow_function_flags): Mention in the dump file when
25058         changing a function to nothrow.
25059
25060 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
25061
25062         PR/39066
25063         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
25064         instead of unsigned long.
25065
25066 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25067
25068         * config/arm/arm.c (return_used_this_function): Remove.
25069         (arm_output_function_prologue): Remove use of
25070         return_used_this_function.
25071         (output_return_instruction): Replace use of
25072         return_used_this_function
25073         by cfun->machine->return_used_this_function.
25074         (arm_output_epilogue): Likewise.
25075         (arm_output_function_epilogue): Likewise.
25076         (thumb_unexpanded_epilogue): Likewise.
25077         * config/arm/arm.h (struct machine_function):
25078         New member return_used_this_function.
25079
25080 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
25081
25082         * doc/install.texi: Correct description of default directory for
25083         --with-gxx-include-dir.
25084
25085 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
25086
25087         * fold-const.c (build_range_check): Properly deal with enumeral and
25088         boolean base types.
25089
25090 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
25091
25092         * doc/invoke.texi (max_gcse_passes): Remove documentation.
25093         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
25094         * params.h (MAX_GCSE_PASSES): Remove.
25095         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
25096         in sequence.  Remove ability to run multiple passes.
25097         (bypass_jumps): Report run as third CPROP pass.
25098
25099 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
25100
25101         PR middle-end/39651
25102         * except.c (can_throw_external): Look at each insn in a SEQUENCE
25103         when deciding whether the whole SEQUENCE can throw.
25104
25105 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
25106
25107         PR target/39740
25108         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
25109         offseted label references.
25110
25111 2009-04-11  Jan Hubicka  <jh@suse.cz>
25112
25113         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
25114
25115 2009-04-11  Richard Guenther  <rguenther@suse.de>
25116
25117         PR middle-end/39732
25118         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
25119         return variables as TREE_ADDRESSABLE.
25120
25121 2009-04-11  Richard Guenther  <rguenther@suse.de>
25122
25123         PR tree-optimization/39713
25124         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
25125         reference trees have SSA_NAME operands.
25126
25127 2009-04-11  Richard Guenther  <rguenther@suse.de>
25128
25129         PR c/39712
25130         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
25131         address expressions.
25132
25133 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
25134
25135         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
25136         match changes in Cygwin 1.7
25137         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
25138         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
25139
25140 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
25141
25142         PR tree-optimization/39701
25143         * doc/invoke.texi (Optimization Options): Document change in
25144         meaning and initialization of -fdelete-null-pointer-checks.
25145
25146 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
25147
25148         PR middle-end/39701
25149         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
25150
25151         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
25152         here.
25153
25154         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
25155
25156 2009-04-10  Chao-ying Fu  <fu@mips.com>
25157
25158         * doc/tm.texi (Instruction Output): Document
25159         TARGET_ASM_FINAL_POSTSCAN_INSN.
25160         * target.h (final_postscan_insn): New field in asm_out.
25161         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
25162         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
25163         * final.c (final_scan_insn): Call
25164         targetm.asm_out.final_postscan_insn after outputting
25165         an asm macro and a normal instruction.
25166
25167         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
25168         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
25169         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
25170         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
25171         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
25172
25173 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
25174
25175         PR middle-end/39701
25176         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
25177         variables as non-NULL even with -fdelete-null-pointer-checks.
25178
25179 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
25180
25181         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
25182
25183 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
25184
25185         PR target/39678
25186         * config/i386/i386.c (classify_argument): Handle SCmode with
25187         (bit_offset % 64) != 0.
25188
25189 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
25190
25191         * doc/invoke.texi (Optimize Options): Add cross-reference to
25192         -Q --help=optimizers examples.
25193
25194 2009-04-10  Ben Elliston  <bje@au.ibm.com>
25195
25196         PR target/36800
25197         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
25198         regalign for the reg == fpr and TDmode case.
25199
25200 2009-04-09  David Ayers  <ayers@fsfe.org>
25201
25202         PR objc/29200
25203         * objc/objc-act.c (warn_with_method): Remove helper function.
25204         (check_duplicates): Call warning and inform directly.
25205         (really_start_method): Likewise.
25206
25207 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
25208
25209         * expmed.c (expand_divmod): Always use a comparison for a division
25210         by a large unsigned integer.
25211
25212         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
25213         for things others than variables or functions as nonzero.
25214
25215 2009-04-09  Nick Clifton  <nickc@redhat.com>
25216
25217         * unwind-compat.c: Change copyright header to refer to version
25218         3 of the GNU General Public License with version 3.1 of the
25219         GCC Runtime Library Exception and to point readers at the
25220         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
25221         * config/alpha/crtfastmath.c: Likewise.
25222         * config/alpha/linux-unwind.h: Likewise.
25223         * config/alpha/qrnnd.asm: Likewise.
25224         * config/alpha/vms-crt0-64.c: Likewise.
25225         * config/alpha/vms-crt0.c: Likewise.
25226         * config/alpha/vms-dwarf2.asm: Likewise.
25227         * config/alpha/vms-dwarf2eh.asm: Likewise.
25228         * config/alpha/vms-psxcrt0-64.c: Likewise.
25229         * config/alpha/vms-psxcrt0.c: Likewise.
25230         * config/alpha/vms_tramp.asm: Likewise.
25231         * config/arc/initfini.c: Likewise.
25232         * config/arc/lib1funcs.asm: Likewise.
25233         * config/arm/bpabi-v6m.S: Likewise.
25234         * config/arm/bpabi.S: Likewise.
25235         * config/arm/bpabi.c: Likewise.
25236         * config/arm/crti.asm: Likewise.
25237         * config/arm/crtn.asm: Likewise.
25238         * config/arm/ieee754-df.S: Likewise.
25239         * config/arm/ieee754-sf.S: Likewise.
25240         * config/arm/lib1funcs.asm: Likewise.
25241         * config/arm/libunwind.S: Likewise.
25242         * config/arm/linux-atomic.c: Likewise.
25243         * config/arm/mmintrin.h: Likewise.
25244         * config/arm/pr-support.c: Likewise.
25245         * config/arm/unaligned-funcs.c: Likewise.
25246         * config/arm/unwind-arm.c: Likewise.
25247         * config/arm/unwind-arm.h: Likewise.
25248         * config/avr/libgcc.S: Likewise.
25249         * config/bfin/crti.s: Likewise.
25250         * config/bfin/crtlibid.s: Likewise.
25251         * config/bfin/crtn.s: Likewise.
25252         * config/bfin/lib1funcs.asm: Likewise.
25253         * config/bfin/linux-unwind.h: Likewise.
25254         * config/cris/arit.c: Likewise.
25255         * config/cris/cris_abi_symbol.c: Likewise.
25256         * config/darwin-64.c: Likewise.
25257         * config/darwin-crt2.c: Likewise.
25258         * config/darwin-crt3.c: Likewise.
25259         * config/darwin.h: Likewise.
25260         * config/dbxelf.h: Likewise.
25261         * config/dfp-bit.c: Likewise.
25262         * config/dfp-bit.h: Likewise.
25263         * config/elfos.h: Likewise.
25264         * config/fixed-bit.c: Likewise.
25265         * config/fixed-bit.h: Likewise.
25266         * config/fp-bit.c: Likewise.
25267         * config/fp-bit.h: Likewise.
25268         * config/fr30/crti.asm: Likewise.
25269         * config/fr30/crtn.asm: Likewise.
25270         * config/fr30/lib1funcs.asm: Likewise.
25271         * config/freebsd-spec.h: Likewise.
25272         * config/frv/cmovd.c: Likewise.
25273         * config/frv/cmovh.c: Likewise.
25274         * config/frv/cmovw.c: Likewise.
25275         * config/frv/frvbegin.c: Likewise.
25276         * config/frv/frvend.c: Likewise.
25277         * config/frv/lib1funcs.asm: Likewise.
25278         * config/glibc-stdint.h: Likewise.
25279         * config/h8300/clzhi2.c: Likewise.
25280         * config/h8300/crti.asm: Likewise.
25281         * config/h8300/crtn.asm: Likewise.
25282         * config/h8300/ctzhi2.c: Likewise.
25283         * config/h8300/fixunssfsi.c: Likewise.
25284         * config/h8300/lib1funcs.asm: Likewise.
25285         * config/h8300/parityhi2.c: Likewise.
25286         * config/h8300/popcounthi2.c: Likewise.
25287         * config/i386/ammintrin.h: Likewise.
25288         * config/i386/att.h: Likewise.
25289         * config/i386/avxintrin.h: Likewise.
25290         * config/i386/biarch64.h: Likewise.
25291         * config/i386/bmmintrin.h: Likewise.
25292         * config/i386/cpuid.h: Likewise.
25293         * config/i386/cross-stdarg.h: Likewise.
25294         * config/i386/crtfastmath.c: Likewise.
25295         * config/i386/crtprec.c: Likewise.
25296         * config/i386/cygming-crtbegin.c: Likewise.
25297         * config/i386/cygming-crtend.c: Likewise.
25298         * config/i386/cygwin.asm: Likewise.
25299         * config/i386/emmintrin.h: Likewise.
25300         * config/i386/gmm_malloc.h: Likewise.
25301         * config/i386/gthr-win32.c: Likewise.
25302         * config/i386/i386.h: Likewise.
25303         * config/i386/immintrin.h: Likewise.
25304         * config/i386/linux-unwind.h: Likewise.
25305         * config/i386/linux64.h: Likewise.
25306         * config/i386/mm3dnow.h: Likewise.
25307         * config/i386/mmintrin-common.h: Likewise.
25308         * config/i386/mmintrin.h: Likewise.
25309         * config/i386/nmmintrin.h: Likewise.
25310         * config/i386/pmm_malloc.h: Likewise.
25311         * config/i386/pmmintrin.h: Likewise.
25312         * config/i386/smmintrin.h: Likewise.
25313         * config/i386/sol2-c1.asm: Likewise.
25314         * config/i386/sol2-ci.asm: Likewise.
25315         * config/i386/sol2-cn.asm: Likewise.
25316         * config/i386/sol2-gc1.asm: Likewise.
25317         * config/i386/tmmintrin.h: Likewise.
25318         * config/i386/unix.h: Likewise.
25319         * config/i386/w32-unwind.h: Likewise.
25320         * config/i386/wmmintrin.h: Likewise.
25321         * config/i386/x86-64.h: Likewise.
25322         * config/i386/x86intrin.h: Likewise.
25323         * config/i386/xmmintrin.h: Likewise.
25324         * config/ia64/crtbegin.asm: Likewise.
25325         * config/ia64/crtend.asm: Likewise.
25326         * config/ia64/crtfastmath.c: Likewise.
25327         * config/ia64/crti.asm: Likewise.
25328         * config/ia64/crtn.asm: Likewise.
25329         * config/ia64/fde-glibc.c: Likewise.
25330         * config/ia64/lib1funcs.asm: Likewise.
25331         * config/ia64/linux-unwind.h: Likewise.
25332         * config/ia64/quadlib.c: Likewise.
25333         * config/ia64/unwind-ia64.c: Likewise.
25334         * config/linux.h: Likewise.
25335         * config/m32c/m32c-lib1.S: Likewise.
25336         * config/m32c/m32c-lib2-trapv.c: Likewise.
25337         * config/m32c/m32c-lib2.c: Likewise.
25338         * config/m32r/initfini.c: Likewise.
25339         * config/m68hc11/larith.asm: Likewise.
25340         * config/m68hc11/m68hc11-crt0.S: Likewise.
25341         * config/m68k/cf.md: Likewise.
25342         * config/m68k/crti.s: Likewise.
25343         * config/m68k/crtn.s: Likewise.
25344         * config/m68k/lb1sf68.asm: Likewise.
25345         * config/m68k/linux-unwind.h: Likewise.
25346         * config/mcore/crti.asm: Likewise.
25347         * config/mcore/crtn.asm: Likewise.
25348         * config/mcore/lib1.asm: Likewise.
25349         * config/mips/linux-unwind.h: Likewise.
25350         * config/mips/loongson.h: Likewise.
25351         * config/mips/mips16.S: Likewise.
25352         * config/mmix/crti.asm: Likewise.
25353         * config/mmix/crtn.asm: Likewise.
25354         * config/pa/fptr.c: Likewise.
25355         * config/pa/hpux-unwind.h: Likewise.
25356         * config/pa/lib2funcs.asm: Likewise.
25357         * config/pa/linux-atomic.c: Likewise.
25358         * config/pa/linux-unwind.h: Likewise.
25359         * config/pa/milli64.S: Likewise.
25360         * config/pa/quadlib.c: Likewise.
25361         * config/pa/stublib.c: Likewise.
25362         * config/picochip/libgccExtras/adddi3.asm: Likewise.
25363         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
25364         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
25365         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
25366         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
25367         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
25368         * config/picochip/libgccExtras/divmod15.asm: Likewise.
25369         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
25370         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
25371         * config/picochip/libgccExtras/longjmp.asm: Likewise.
25372         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
25373         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
25374         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
25375         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
25376         * config/picochip/libgccExtras/setjmp.asm: Likewise.
25377         * config/picochip/libgccExtras/subdi3.asm: Likewise.
25378         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
25379         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
25380         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
25381         * config/rs6000/750cl.h: Likewise.
25382         * config/rs6000/altivec.h: Likewise.
25383         * config/rs6000/biarch64.h: Likewise.
25384         * config/rs6000/crtresfpr.asm: Likewise.
25385         * config/rs6000/crtresgpr.asm: Likewise.
25386         * config/rs6000/crtresxfpr.asm: Likewise.
25387         * config/rs6000/crtresxgpr.asm: Likewise.
25388         * config/rs6000/crtsavfpr.asm: Likewise.
25389         * config/rs6000/crtsavgpr.asm: Likewise.
25390         * config/rs6000/darwin-asm.h: Likewise.
25391         * config/rs6000/darwin-fallback.c: Likewise.
25392         * config/rs6000/darwin-fpsave.asm: Likewise.
25393         * config/rs6000/darwin-ldouble.c: Likewise.
25394         * config/rs6000/darwin-tramp.asm: Likewise.
25395         * config/rs6000/darwin-unwind.h: Likewise.
25396         * config/rs6000/darwin-vecsave.asm: Likewise.
25397         * config/rs6000/darwin-world.asm: Likewise.
25398         * config/rs6000/e500crtres32gpr.asm: Likewise.
25399         * config/rs6000/e500crtres64gpr.asm: Likewise.
25400         * config/rs6000/e500crtres64gprctr.asm: Likewise.
25401         * config/rs6000/e500crtrest32gpr.asm: Likewise.
25402         * config/rs6000/e500crtrest64gpr.asm: Likewise.
25403         * config/rs6000/e500crtresx32gpr.asm: Likewise.
25404         * config/rs6000/e500crtresx64gpr.asm: Likewise.
25405         * config/rs6000/e500crtsav32gpr.asm: Likewise.
25406         * config/rs6000/e500crtsav64gpr.asm: Likewise.
25407         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
25408         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
25409         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
25410         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
25411         * config/rs6000/eabi-ci.asm: Likewise.
25412         * config/rs6000/eabi-cn.asm: Likewise.
25413         * config/rs6000/eabi.asm: Likewise.
25414         * config/rs6000/linux-unwind.h: Likewise.
25415         * config/rs6000/linux64.h: Likewise.
25416         * config/rs6000/paired.h: Likewise.
25417         * config/rs6000/paired.md: Likewise.
25418         * config/rs6000/ppc64-fp.c: Likewise.
25419         * config/rs6000/ppu_intrinsics.h: Likewise.
25420         * config/rs6000/rs6000.h: Likewise.
25421         * config/rs6000/si2vmx.h: Likewise.
25422         * config/rs6000/sol-ci.asm: Likewise.
25423         * config/rs6000/sol-cn.asm: Likewise.
25424         * config/rs6000/spe.h: Likewise.
25425         * config/rs6000/spu2vmx.h: Likewise.
25426         * config/rs6000/sysv4.h: Likewise.
25427         * config/rs6000/tramp.asm: Likewise.
25428         * config/rs6000/vec_types.h: Likewise.
25429         * config/s390/linux-unwind.h: Likewise.
25430         * config/s390/tpf-unwind.h: Likewise.
25431         * config/score/crti.asm: Likewise.
25432         * config/score/crtn.asm: Likewise.
25433         * config/sh/crt1.asm: Likewise.
25434         * config/sh/crti.asm: Likewise.
25435         * config/sh/crtn.asm: Likewise.
25436         * config/sh/divtab-sh4-300.c: Likewise.
25437         * config/sh/divtab-sh4.c: Likewise.
25438         * config/sh/divtab.c: Likewise.
25439         * config/sh/lib1funcs-4-300.asm: Likewise.
25440         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
25441         * config/sh/lib1funcs.asm: Likewise.
25442         * config/sh/lib1funcs.h: Likewise.
25443         * config/sh/linux-atomic.asm: Likewise.
25444         * config/sh/linux-unwind.h: Likewise.
25445         * config/sh/shmedia.h: Likewise.
25446         * config/sh/sshmedia.h: Likewise.
25447         * config/sh/ushmedia.h: Likewise.
25448         * config/sparc/crtfastmath.c: Likewise.
25449         * config/sparc/linux-unwind.h: Likewise.
25450         * config/sparc/sol2-c1.asm: Likewise.
25451         * config/sparc/sol2-ci.asm: Likewise.
25452         * config/sparc/sol2-cn.asm: Likewise.
25453         * config/spu/divmodti4.c: Likewise.
25454         * config/spu/divv2df3.c: Likewise.
25455         * config/spu/float_disf.c: Likewise.
25456         * config/spu/float_unsdidf.c: Likewise.
25457         * config/spu/float_unsdisf.c: Likewise.
25458         * config/spu/float_unssidf.c: Likewise.
25459         * config/spu/mfc_multi_tag_release.c: Likewise.
25460         * config/spu/mfc_multi_tag_reserve.c: Likewise.
25461         * config/spu/mfc_tag_release.c: Likewise.
25462         * config/spu/mfc_tag_reserve.c: Likewise.
25463         * config/spu/mfc_tag_table.c: Likewise.
25464         * config/spu/multi3.c: Likewise.
25465         * config/spu/spu_internals.h: Likewise.
25466         * config/spu/spu_intrinsics.h: Likewise.
25467         * config/spu/spu_mfcio.h: Likewise.
25468         * config/spu/vec_types.h: Likewise.
25469         * config/spu/vmx2spu.h: Likewise.
25470         * config/stormy16/stormy16-lib2.c: Likewise.
25471         * config/svr4.h: Likewise.
25472         * config/sync.c: Likewise.
25473         * config/v850/lib1funcs.asm: Likewise.
25474         * config/vxlib-tls.c: Likewise.
25475         * config/vxlib.c: Likewise.
25476         * config/vxworks-dummy.h: Likewise.
25477         * config/xtensa/crti.asm: Likewise.
25478         * config/xtensa/crtn.asm: Likewise.
25479         * config/xtensa/ieee754-df.S: Likewise.
25480         * config/xtensa/ieee754-sf.S: Likewise.
25481         * config/xtensa/lib1funcs.asm: Likewise.
25482         * config/xtensa/lib2funcs.S: Likewise.
25483         * config/xtensa/linux-unwind.h: Likewise.
25484         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
25485         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
25486         * coretypes.h: Likewise.
25487         * crtstuff.c: Likewise.
25488         * defaults.h: Likewise.
25489         * dwarf2.h: Likewise.
25490         * emutls.c: Likewise.
25491         * gbl-ctors.h: Likewise.
25492         * gcov-io.h: Likewise.
25493         * ginclude/float.h: Likewise.
25494         * ginclude/iso646.h: Likewise.
25495         * ginclude/stdarg.h: Likewise.
25496         * ginclude/stdbool.h: Likewise.
25497         * ginclude/stddef.h: Likewise.
25498         * ginclude/stdfix.h: Likewise.
25499         * ginclude/stdint-gcc.h: Likewise.
25500         * ginclude/tgmath.h: Likewise.
25501         * gthr-aix.h: Likewise.
25502         * gthr-dce.h: Likewise.
25503         * gthr-gnat.c: Likewise.
25504         * gthr-gnat.h: Likewise.
25505         * gthr-lynx.h: Likewise.
25506         * gthr-mipssde.h: Likewise.
25507         * gthr-nks.h: Likewise.
25508         * gthr-posix.c: Likewise.
25509         * gthr-posix.h: Likewise.
25510         * gthr-posix95.h: Likewise.
25511         * gthr-rtems.h: Likewise.
25512         * gthr-single.h: Likewise.
25513         * gthr-solaris.h: Likewise.
25514         * gthr-tpf.h: Likewise.
25515         * gthr-vxworks.h: Likewise.
25516         * gthr-win32.h: Likewise.
25517         * gthr.h: Likewise.
25518         * libgcc2.c: Likewise.
25519         * libgcc2.h: Likewise.
25520         * libgcov.c: Likewise.
25521         * tsystem.h: Likewise.
25522         * typeclass.h: Likewise.
25523         * unwind-c.c: Likewise.
25524         * unwind-compat.h: Likewise.
25525         * unwind-dw2-fde-compat.c: Likewise.
25526         * unwind-dw2-fde-darwin.c: Likewise.
25527         * unwind-dw2-fde-glibc.c: Likewise.
25528         * unwind-dw2-fde.c: Likewise.
25529         * unwind-dw2-fde.h: Likewise.
25530         * unwind-dw2.c: Likewise.
25531         * unwind-dw2.h: Likewise.
25532         * unwind-generic.h: Likewise.
25533         * unwind-pe.h: Likewise.
25534         * unwind-sjlj.c: Likewise.
25535         * unwind.inc: Likewise.
25536         * config/arm/neon-gen.ml: Change generated copyright header to
25537         refer to version 3 of the GNU General Public License with
25538         version 3.1 of the GCC Runtime Library Exception and to point
25539         readers at the COPYING3 and COPYING3.RUNTIME files and the
25540         FSF's license web page.
25541         * config/arm/arm_neon.h: Regenerate.
25542
25543 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
25544
25545         * config/cris/cris.md: Change copyright header to refer to version
25546         3 of the GNU General Public License.
25547         * doc/install.texi2html: Change copyright header to refer to version
25548         3 of the GNU General Public License and to point readers at the
25549         COPYING3 file and the FSF's license web page.
25550         * config/vax/linux.h: Likewise.
25551
25552 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
25553
25554         * config/i386/i386.md (cmpcc): New.
25555         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
25556         (sync_compare_and_swap_cc*): Delete.
25557
25558         * config/s390/s390.c (s390_compare_emitted): Remove.
25559         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
25560         s390_compare_emitted used to be handled.  Assert that modes match.
25561         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
25562         refer to sync_compare_and_swap_ccsi.
25563         * config/s390/s390.h (s390_compare_emitted): Remove.
25564         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
25565         instead of s390_compare_emitted.
25566         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
25567         instead of s390_compare_emitted.
25568         * config/s390/s390.md (cmpcc): New.
25569         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
25570         CC_REGNUM, do not pretend it's set.
25571         (sync_compare_and_swap_cc*): Delete.
25572         * config/s390/predicates.md (cc_reg_operand): New.
25573
25574         * expr.c (sync_compare_and_swap_cc): Delete.
25575         * optabs.h (sync_compare_and_swap_cc): Delete.
25576         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
25577         is being used with can_compare_p.
25578         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
25579         (find_cc_set): New.
25580         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
25581         look for a MODE_CC set instead.  Use emit_store_flag.
25582         (expand_compare_and_swap_loop): Likewise, with some additional
25583         complication to avoid a force_reg when useless.  Use
25584         emit_cmp_and_jump_insns.
25585         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
25586         * doc/md.texi (sync_compare_and_swap_cc): Merge with
25587         sync_compare_and_swap documentation.
25588
25589 2009-04-09  Jan Hubicka  <jh@suse.cz>
25590
25591         * except.c (find_prev_try): Break out from ....
25592         (duplicate_eh_regions): ... here; properly update prev_try pointers
25593         when duplication part of tree.
25594         (dump_eh_tree): Improve dumping.
25595         (verify_eh_region): New.
25596         (verify_eh_tree): Use it.
25597
25598 2009-04-06  Richard Guenther  <rguenther@suse.de>
25599
25600         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
25601         &ARRAY addresses by adjusting their types and prepending
25602         a conversion.
25603         * tree-cfg.c (verify_gimple_assign_single): Verify that
25604         addresses are correct.
25605
25606 2009-04-09  Richard Guenther  <rguenther@suse.de>
25607
25608         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
25609         indices into an array reference if possible.
25610         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
25611         Fold POINTER_PLUS_EXPR statements with invariant address.
25612
25613 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
25614
25615         PR target/39634
25616         * config.gcc (powerpc64-*-linux*): Always build biarch.
25617
25618 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
25619
25620         PR c/39613
25621         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
25622         it and pedwarn if this results in an INTEGER_CST.
25623
25624 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25625
25626         * doc/install.texi: Update minimum GMP version.  Remove obsolete
25627         text in MPFR section.
25628
25629 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
25630
25631         * dwarf2out.c (class_scope_p): New static inline.
25632         (class_or_namespace_scope_p): Use it.
25633         (gen_variable_die): Use DW_TAG_member tag for static data member
25634         declarations instead of DW_TAG_variable.
25635
25636         PR middle-end/39573
25637         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
25638         variables.
25639
25640 2009-04-08  Richard Guenther  <rguenther@suse.de>
25641
25642         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
25643         valueize random data.
25644
25645 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
25646
25647         * config.gcc (aix tm_file):  Add aix-stdint.h.
25648         (aix tm clause use_gcc_stdint):  Set to wrap.
25649         * config/rs6000/aix-stdint.h:  New file.
25650
25651 2009-04-08  Richard Guenther  <rguenther@suse.de>
25652
25653         PR middle-end/36291
25654         * tree-dfa.c (add_referenced_var): Do not recurse into
25655         global initializers.
25656         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
25657         exposed variables.
25658         (fold_const_aggregate_ref): Likewise.
25659
25660 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
25661
25662         * recog.c (ordered_comparison_operator): New.
25663         * gensupport.c (std_preds): Add it.
25664         * doc/md.texi (Machine-Independent Predicates): Document it.
25665
25666 2009-04-08  Jan Hubicka  <jh@suse.cz>
25667
25668         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
25669         * function.h (rtl_eh): Remove exception_handler_label_map.
25670         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
25671         remove_exception_handler_label, for_each_eh_label_1): Remove.
25672         (rtl_remove_unreachable_regions): Remove.
25673         (convert_from_eh_region_ranges): Do not remove unreachable regions.
25674         (find_exception_handler_labels): Don't build the hashtable.
25675         (maybe_remove_eh_handler): Remove.
25676         (for_each_eh_label): Rewrite to walk the tree.
25677         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
25678         * except.h (maybe_remove_eh_handler): Remove.
25679         * passes.c (init_optimization_passes): Schedule second EH cleanup
25680         before out-of-ssa.
25681         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
25682         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
25683
25684 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
25685
25686         * genoutput.c (validate_optab_operands): New.
25687         (gen_insn, gen_expand): Call it.
25688
25689         * genflags.c (gen_insn): Detect misused iterators.
25690         (main): Pass line_no to gen_insn, exit with status 1 on error.
25691
25692         * genextract.c (line_no): Make global.
25693         (VEC_safe_set_locstr): Change assertion to error message.
25694         (main): Exit with status 1 on error.
25695
25696 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
25697
25698         PR c/39614
25699         PR c/39673
25700         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
25701         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
25702         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
25703         * c-convert.c (convert): Do not call fold on results of conversion
25704         functions when the result is a C_MAYBE_CONST_EXPR.
25705         * c-parser.c (c_parser_postfix_expression): Do not fold condition
25706         of __builtin_choose_expr.
25707         * c-typeck.c (remove_c_maybe_const_expr): New.
25708         (build_unary_op, build_conditional_expr, build_compound_expr,
25709         build_binary_op, c_objc_common_truthvalue_conversion): Call
25710         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
25711         integer operands.
25712
25713 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
25714
25715         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
25716         CODE to produce a new one. Add a prototype to use fold_convert_const
25717
25718 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
25719
25720         PR bootstrap/39660
25721         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
25722         mix declarations and code.
25723
25724 2009-04-08  Ben Elliston  <bje@au.ibm.com>
25725
25726         * gcc.c: Replace `CC' with `GCC' throughout.
25727
25728 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
25729
25730         * doc/invoke.texi: Document Atom support.
25731
25732 2009-04-07  Jason Merrill  <jason@redhat.com>
25733
25734         PR c++/25185
25735         * c-common.h, c-common.c: Add flag_pretty_templates.
25736         * c-opts.c (c_common_handle_option): Set it.
25737         * c.opt: Add -fno-pretty-templates.
25738         * doc/invoke.texi (C++ Dialect Options): Likewise.
25739
25740 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
25741
25742         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
25743         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
25744         (ia64_expand_builtin): Likewise.
25745
25746 2009-04-07  Martin Jambor  <mjambor@suse.cz>
25747
25748         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
25749         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
25750         ADDR_EXPRS are include too.
25751
25752 2009-04-07  Richard Guenther  <rguenther@suse.de>
25753
25754         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
25755         decls are only used if passes as parameters or if they are
25756         local statics and the call is not to a builtin.
25757         (call_may_clobber_ref_p_1): Likewise.
25758
25759 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
25760
25761         * expr.c (do_store_flag): Remove last argument.  Simplify code
25762         to avoid duplication of tests already done by can_compare_p.
25763         (expand_expr_real_1): Adjust caller.
25764
25765 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
25766
25767         * optabs.c (can_compare_p): Test the predicate of a
25768         cbranch and cstore pattern.
25769
25770 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
25771
25772         * expr.c (convert_move): Use emit_store_flag instead of
25773         "emulating" it.
25774
25775 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
25776
25777         * config/i386/i386.c (ix86_compare_emitted): Remove.
25778         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
25779         ix86_compare_op0 like ix86_compare_emitted used to be handled.
25780         * config/i386/i386.h (ix86_compare_emitted): Remove.
25781         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
25782         instead of ix86_compare_emitted.
25783         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
25784
25785 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
25786
25787         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
25788         Add t-sysroot-suffix to tmake_file.
25789         * config/print-sysroot-suffix.sh: New file.
25790         * config/t-sysroot-suffix: New file.
25791
25792 2009-04-07  Ben Elliston  <bje@au.ibm.com>
25793
25794         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
25795         as the latter produces a warning when the target does not support
25796         infinity.
25797
25798 2009-04-07  Ben Elliston  <bje@au.ibm.com>
25799
25800         * dfp.c: Replace type punning assignments with memcpy throughout.
25801         * Makefile.in (dfp.o-warn): Remove.
25802
25803 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
25804
25805         PR target/39634
25806         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
25807         Include soft-fp/t-softfp after rs6000/t-linux64.
25808
25809 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
25810
25811         * stor-layout.c (set_sizetype): Use the full precision of their
25812         machine mode for bitsize types.
25813
25814 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
25815
25816         * config/i386/i386.md: Revert 2 accidental checkins.
25817
25818 2009-04-06  Joey Ye  <joey.ye@intel.com>
25819             Xuepeng Guo  <xuepeng.guo@intel.com>
25820             H.J. Lu  <hongjiu.lu@intel.com>
25821
25822         Atom pipeline model, tuning and insn selection.
25823         * config.gcc (atom): Add atom config options and target.
25824
25825         * config/i386/atom.md: New.
25826
25827         * config/i386/i386.c (atom_cost): New cost.
25828         (m_ATOM): New macro flag.
25829         (initial_ix86_tune_features): Set m_ATOM.
25830         (x86_accumulate_outgoing_args): Likewise.
25831         (x86_arch_always_fancy_math_387): Likewise.
25832         (processor_target): Add Atom cost.
25833         (cpu_names): Add Atom cpu name.
25834         (override_options): Set Atom ISA.
25835         (ix86_issue_rate): New case PROCESSOR_ATOM.
25836         (ix86_adjust_cost): Likewise.
25837
25838         * config/i386/i386.h (TARGET_ATOM): New target macro.
25839         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
25840         (TARGET_OPT_AGU): New target option.
25841         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
25842         (processor_type): Add PROCESSOR_ATOM.
25843
25844         * config/i386/i386.md (cpu): Add new value "atom".
25845         (use_carry, movu): New attr.
25846         (atom.md): Include atom.md.
25847         (adddi3_carry_rex64): Set attr "use_carry".
25848         (addqi3_carry): Likewise.
25849         (addhi3_carry): Likewise.
25850         (addsi3_carry): Likewise.
25851         (*addsi3_carry_zext): Likewise.
25852         (subdi3_carry_rex64): Likewise.
25853         (subqi3_carry): Likewise.
25854         (subhi3_carry): Likewise.
25855         (subsi3_carry): Likewise.
25856         (x86_movdicc_0_m1_rex64): Likewise.
25857         (*x86_movdicc_0_m1_se): Likewise.
25858         (x86_movsicc_0_m1): Likewise.
25859         (*x86_movsicc_0_m1_se): Likewise.
25860         (*adddi_1_rex64): Emit add insn as much as possible.
25861         (*addsi_1): Likewise.
25862         (return_internal): Set atom_unit.
25863         (return_internal_long): Likewise.
25864         (return_pop_internal): Likewise.
25865         (*rcpsf2_sse): Set atom_sse_attr attr.
25866         (*qrt<mode>2_sse): Likewise.
25867         (*prefetch_sse): Likewise.
25868
25869         * config/i386/i386-c.c (ix86_target_macros_internal): New case
25870         PROCESSOR_ATOM.
25871         (ix86_target_macros_internal): Likewise.
25872
25873         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
25874         (*prefetch_sse_rex): Likewise.
25875         (sse_rcpv4sf2): Likewise.
25876         (sse_vmrcpv4sf2): Likewise.
25877         (sse_sqrtv4sf2): Likewise.
25878         (<sse>_vmsqrt<mode>2): Likewise.
25879         (sse_ldmxcsr): Likewise.
25880         (sse_stmxcsr): Likewise.
25881         (*sse_sfence): Likewise.
25882         (sse2_clflush): Likewise.
25883         (*sse2_mfence): Likewise.
25884         (*sse2_lfence): Likewise.
25885         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
25886         (<sse>_movup<ssemodesuffixf2c>): Likewise.
25887         (avx_movdqu<avxmodesuffix>): Likewise.
25888         (avx_lddqu<avxmodesuffix>): Likewise.
25889         (sse2_movntv2di): Change attr "type" to "ssemov".
25890         (sse2_movntsi): Likewise.
25891         (rsqrtv8sf2): Change attr "type" to "sseadd".
25892         (sse3_addsubv2df3): Set attr "atom_unit".
25893         (sse3_h<plusminus_insn>v4sf3): Likewise.
25894         (*sse2_pmaddwd): Likewise.
25895         (*vec_extractv2di_1_rex64): Likewise.
25896         (*vec_extractv2di_1_avx): Likewise.
25897         (sse2_psadbw): Likewise.
25898         (ssse3_phaddwv8hi3): Likewise.
25899         (ssse3_phaddwv4hi3): Likewise.
25900         (ssse3_phadddv4si3): Likewise.
25901         (ssse3_phadddv2si3): Likewise.
25902         (ssse3_phaddswv8hi3): Likewise.
25903         (ssse3_phaddswv4hi3): Likewise.
25904         (ssse3_phsubwv8hi3): Likewise.
25905         (ssse3_phsubwv4hi3): Likewise.
25906         (ssse3_phsubdv4si3): Likewise.
25907         (ssse3_phsubdv2si3): Likewise.
25908         (ssse3_phsubswv8hi3): Likewise.
25909         (ssse3_phsubswv4hi3): Likewise.
25910         (ssse3_pmaddubsw128): Likewise.
25911         (sse3_pmaddubsw: Likewise.
25912         (ssse3_palignrti): Likewise.
25913         (ssse3_palignrdi): Likewise.
25914
25915 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
25916
25917         * doc/install.texi (Specific): Fix two cross-references to MinGW.
25918
25919 2009-04-06  Richard Guenther  <rguenther@suse.de>
25920
25921         PR tree-optimization/28868
25922         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
25923         of which PHI results we inserted.
25924         (insert_into_preds_of_block): Record inserted PHIs.
25925         (eliminate): Eliminate redundant PHI nodes.
25926         (init_pre): Init inserted_phi_names.
25927
25928 2009-04-06  Richard Guenther  <rguenther@suse.de>
25929
25930         PR tree-optimization/39643
25931         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
25932         IMAGPART_EXPRs of complex constants.
25933         (execute_fold_all_builtins): If we folded a call queue
25934         TODO_update_address_taken.
25935
25936 2009-04-06  Jan Hubicka  <jh@suse.cz>
25937
25938         PR middle-end/39659
25939         * except.c (remove_unreachable_regions): Propagate may_contain_throw
25940         flag.
25941
25942 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
25943
25944         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
25945         delay slot.
25946         (ic_invalidate_array): Likewise.
25947
25948 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
25949
25950         * calls.c (emit_library_call_value_1): Fix a problem with parameter
25951         alignment for library calls.
25952
25953 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
25954
25955         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
25956         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
25957         * config/i386/mingw-stdint.h:  New file.
25958
25959 2009-04-05  Richard Guenther  <rguenther@suse.de>
25960
25961         PR tree-optimization/39648
25962         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
25963         our &A vs. &A[0] IL deficiencies.
25964
25965 2009-04-04  Jan Hubicka  <jh@suse.cz>
25966
25967         * except.c (sjlj_find_directly_reachable_regions): Be ready for
25968         removed toplevel regions.
25969         (sjlj_mark_call_sites): Likewise.
25970
25971 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
25972
25973         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
25974         (cygwin tm clause use_gcc_stdint):  Set to wrap.
25975         * config/i386/cygwin-stdint.h:  New file.
25976
25977 2009-04-04  Richard Guenther  <rguenther@suse.de>
25978
25979         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
25980         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
25981         single-argument PHIs if we are in loop-closed SSA form.
25982         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
25983         for the pre-condition.
25984         (slpeel_tree_peel_loop_to_edge): Likewise.
25985         (vect_build_loop_niters): Take an optional sequence to append stmts.
25986         (vect_generate_tmps_on_preheader): Likewise.
25987         (vect_do_peeling_for_loop_bound): Take extra guards for the
25988         pre-condition.
25989         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
25990         the cost model check.
25991         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
25992         guards if we are going to peel.  Do not apply versioning in that case.
25993         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
25994         (vect_do_peeling_for_loop_bound): Likewise.
25995         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
25996         loop bound only record extra pre-conditions, do not apply loop
25997         versioning.
25998
25999 2009-04-04  Richard Guenther  <rguenther@suse.de>
26000
26001         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
26002         renaming code.
26003
26004 2009-04-04  Jan Hubicka  <jh@suse.cz>
26005
26006         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
26007         last_basic_block for size of bb->index indexed array.
26008         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
26009         compute_out, link_btr_uses, build_btr_def_use_webs,
26010         build_btr_def_use_webs, migrate_btr_defs): Likewise.
26011
26012 2009-04-04  Jan Hubicka  <jh@suse.cz>
26013
26014         * except.c (remove_eh_handler_and_replace): Break out from ...
26015         (remove_eh_handler): ... here.
26016         (bring_to_root): New function.
26017         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
26018         handled ones, bring others to root of tree.
26019
26020 2009-04-04  Jan Hubicka  <jh@suse.cz>
26021
26022         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
26023         (all_phis_safe_to_merge): New function.
26024         (update_info): New structure.
26025         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
26026         (cleanup_empty_eh): Update SSA if possible.
26027
26028 2009-04-04  Richard Guenther  <rguenther@suse.de>
26029
26030         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
26031         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
26032         (append_vuse): Likewise.
26033
26034 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
26035
26036         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
26037         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
26038         instead of REG_UNSAVED for DW_CFA_undefined.
26039         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
26040         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
26041         outermost frame.
26042
26043 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
26044
26045         PR target/39501
26046         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
26047
26048 2009-04-04  Richard Guenther  <rguenther@suse.de>
26049
26050         PR tree-optimization/8781
26051         PR tree-optimization/37892
26052         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
26053         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
26054         (valueize_refs): Call it for *& valueizations.
26055         (shared_reference_ops_from_ref): Rename to ...
26056         (valueize_shared_reference_ops_from_ref): ... this and valueize.
26057         (shared_reference_ops_from_call): Rename to ...
26058         (valueize_shared_reference_ops_from_call): ... this and valueize.
26059         (vn_reference_lookup): Update.
26060         (visit_reference_op_call): Likewise.
26061         * tree-ssa-pre.c (phi_translate_1): Fold *&.
26062         (eliminate): Value-replace the call address in call statements.
26063
26064 2009-04-04  Richard Guenther  <rguenther@suse.de>
26065
26066         PR tree-optimization/39636
26067         * tree-ssa-forwprop.c
26068         (forward_propagate_addr_into_variable_array_index): Check for
26069         GIMPLE_ASSIGN before accessing the rhs code.
26070
26071 2009-04-03  Jason Merrill  <jason@redhat.com>
26072
26073         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
26074
26075 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
26076
26077         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
26078         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
26079         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
26080         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
26081         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
26082         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
26083         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
26084         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
26085         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
26086         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
26087         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
26088         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
26089         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
26090         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
26091         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
26092         Use fr_reg_or_fp01_operand instead of fr_register_operand
26093
26094         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
26095         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
26096         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
26097
26098 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
26099
26100         PR rtl-optimization/39607
26101         PR rtl-optimization/39631
26102
26103         Revert:
26104
26105         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
26106         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
26107         instead of DF_LR_OUT.
26108         * ira-lives.c (process_bb_node_lives): Ditto.
26109         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
26110         instead of DF_LR_{OUT,IN}.
26111         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
26112         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
26113
26114 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
26115
26116         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
26117         (execute_lower_omp): Always run but take the short way out if -fopenmp
26118         is not given.
26119         (gate_lower_omp): Remove, forcing the pass manager to always run the
26120         pass and always set PROP_gimple_lomp.
26121         (pass_lower_omp): Remove gate function.
26122         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
26123         PROP_trees.  Instead, require it.
26124         * ipa-cp.c (pass_ipa_cp): Likewise.
26125         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
26126         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
26127         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
26128         and PROP_gimple_leh.
26129
26130 2009-04-03  Richard Guenther  <rguenther@suse.de>
26131
26132         PR middle-end/13146
26133         PR tree-optimization/23940
26134         PR tree-optimization/33237
26135         PR middle-end/33974
26136         PR middle-end/34093
26137         PR tree-optimization/36201
26138         PR tree-optimization/36230
26139         PR tree-optimization/38049
26140         PR tree-optimization/38207
26141         PR tree-optimization/38230
26142         PR tree-optimization/38301
26143         PR tree-optimization/38585
26144         PR middle-end/38895
26145         PR tree-optimization/38985
26146         PR tree-optimization/39299
26147         * tree-ssa-structalias.h: Remove.
26148         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
26149         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
26150         (struct vuse_element_d): Remove.
26151         (struct vuse_vec_d): Likewise.
26152         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
26153         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
26154         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
26155         VUSE_ELEMENT_VAR): Likewise.
26156         (struct voptype_d): Likewise.
26157         (NUM_VOP_FREE_BUCKETS): Likewise.
26158         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
26159         (struct stmt_operands_d): Remove.
26160         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
26161         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
26162         VDEF_NUM, VDEF_VECT): Likewise.
26163         (copy_virtual_operands): Remove.
26164         (operand_build_cmp): Likewise.
26165         (create_ssa_artificial_load_stmt): Likewise.
26166         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
26167         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
26168         vuse_index and mayuse_index members.  Pack and move done and iter_type
26169         members to the front.
26170         (SSA_OP_VMAYUSE): Remove.
26171         (SSA_OP_VIRTUAL_USES): Adjust.
26172         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
26173         (unlink_stmt_vdef): Declare.
26174         (add_to_addressable_set): Remove.
26175         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
26176         (vrp_visit_stmt): Likewise.
26177         * doc/tree-ssa.texi (Alias analysis): Update.
26178         * doc/invoke.texi (max-aliased-vops): Remove docs.
26179         (avg-aliased-vops): Likewise.
26180         * tree-into-ssa.c (syms_to_rename): Remove.
26181         (need_to_update_vops_p): Likewise.
26182         (need_to_initialize_update_ssa_p): Rename to ...
26183         (update_ssa_initialized_fn): ... this.  Track function we are
26184         initialized for.
26185         (symbol_marked_for_renaming): Simplify.
26186         (add_new_name_mapping): Do not set need_to_update_vops_p.
26187         (dump_currdefs): Use SYMS_TO_RENAME.
26188         (rewrite_update_stmt): Always walk all uses/defs.
26189         (dump_update_ssa): Adjust.
26190         (init_update_ssa): Take function argument.  Track what we are
26191         initialized for.
26192         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
26193         (create_new_def_for): Initialize for cfun, assert we are initialized
26194         for cfun.
26195         (mark_sym_for_renaming): Simplify.
26196         (mark_set_for_renaming): Do not initialize update-ssa.
26197         (need_ssa_update_p): Simplify.  Take function argument.
26198         (name_mappings_registered_p): Assert we ask for the correct function.
26199         (name_registered_for_update_p): Likewise.
26200         (ssa_names_to_replace): Likewise.
26201         (release_ssa_name_after_update_ssa): Likewise.
26202         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
26203         (dump_decl_set): Do not print a newline.
26204         (debug_decl_set): Do it here.
26205         (dump_update_ssa): And here.
26206         * tree-ssa-loop-im.c (move_computations): Adjust.
26207         (movement_possibility): Likewise.
26208         (determine_max_movement): Likewise.
26209         (gather_mem_refs_stmt): Likewise.
26210         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
26211         or NAME_MEMORY_TAG.
26212         * tree-complex.c (update_all_vops): Remove.
26213         (expand_complex_move): Adjust.
26214         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
26215         Simplify test for memory referencing statement.  Exclude
26216         non-invariant ADDR_EXPRs.
26217         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
26218         * tree-loop-distribution.c (generate_memset_zero): Adjust.
26219         (rdg_flag_uses): Likewise.
26220         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
26221         related code.
26222         (tree_optimize_tail_calls_1): Also split the
26223         edge from the entry block if we have degenerate PHI nodes in
26224         the first basic block.
26225         * tree.c (init_ttree): Remove memory-tag related code.
26226         (tree_code_size): Likewise.
26227         (tree_node_structure): Likewise.
26228         (build7_stat): Re-write to be build6_stat.
26229         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
26230         (SSA_VAR_P): Adjust.
26231         (struct tree_memory_tag): Remove.
26232         (struct tree_memory_partition_tag): Likewise.
26233         (union tree_node): Adjust.
26234         (build7): Re-write to be build6.
26235         * tree-pass.h (pass_reset_cc_flags): Remove.
26236         (TODO_update_address_taken): New flag.
26237         (pass_simple_dse): Remove.
26238         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
26239         * params.h (MAX_ALIASED_VOPS): Remove.
26240         (AVG_ALIASED_VOPS): Likewise.
26241         * omp-low.c (expand_omp_taskreg): Update SSA form.
26242         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
26243         aliases the lhs in a copy stmt.
26244         * tree-ssa-dse.c (struct address_walk_data): Remove.
26245         (memory_ssa_name_same): Likewise.
26246         (memory_address_same): Likewise.
26247         (get_kill_of_stmt_lhs): Likewise.
26248         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
26249         unused stores.  Look through PHI nodes into post-dominated regions.
26250         (dse_optimize_stmt): Simplify.  Properly remove stores.
26251         (tree_ssa_dse): Compute dominators.
26252         (execute_simple_dse): Remove.
26253         (pass_simple_dse): Likewise.
26254         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
26255         gimple_loaded_syms and gimple_stored_syms computation.
26256         * toplev.c (dump_memory_report): Dump alias and pta stats.
26257         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
26258         (vn_reference_eq): Likewise.
26259         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
26260         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
26261         valueize_vuses): Remove.
26262         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
26263         (get_def_ref_stmt_vuse): ... this.
26264         (vn_reference_lookup_2): New function.
26265         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
26266         walking equivalent vuses.  Simplify.
26267         (vn_reference_lookup): Likewise.
26268         (vn_reference_insert): Likewise.
26269         (vn_reference_insert_pieces): Likewise.
26270         (visit_reference_op_call): Simplify.
26271         (visit_reference_op_load): Likewise.
26272         (visit_reference_op_store): Likewise.
26273         (init_scc_vn): Remove shared_lookup_vuses initialization.
26274         (free_scc_vn): Remove shared_lookup_vuses freeing.
26275         (sort_vuses, sort_vuses_heap): Remove.
26276         (get_ref_from_reference_ops): Export.
26277         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
26278         vector with single vuse pointer.
26279         (vn_reference_lookup_pieces, vn_reference_lookup,
26280         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
26281         (shared_vuses_from_stmt): Remove.
26282         (get_ref_from_reference_ops): Declare.
26283         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
26284         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
26285         memory-tag related code.
26286         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
26287         (likely_value): Add comment, skip static-chain of call statements.
26288         (surely_varying_stmt_p): Adjust.
26289         (gimplify_and_update_call_from_tree): Likewise.
26290         (execute_fold_all_builtins): Do not rebuild alias info.
26291         (gimplify_and_update_call_from_tree): Properly update VOPs.
26292         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
26293         (copy_ref_info): Remove memory-tag related code.
26294         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
26295         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
26296         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
26297         computation.
26298         * tree-ssa-dom.c (gimple_p): Remove typedef.
26299         (eliminate_redundant_computations): Adjust.
26300         (record_equivalences_from_stmt): Likewise.
26301         (avail_expr_hash): Likewise.
26302         (avail_expr_eq): Likewise.
26303         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
26304         (stmt_makes_single_load): Likewise.
26305         (stmt_makes_single_store): Likewise.
26306         * tree-ssa-alias.c: Rewrite completely.
26307         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
26308         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
26309         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
26310         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
26311         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
26312         Remove public functions.
26313         (pass_reset_cc_flags): Remove.
26314         (pass_build_alias): Move ...
26315         * tree-ssa-structalias.c (pass_build_alias): ... here.
26316         * tree-ssa-alias.c (may_be_aliased): Move ...
26317         * tree-flow-inline.h (may_be_aliased): ... here.
26318         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
26319         count_uses_and_derefs): Move ...
26320         * gimple.c: ... here.
26321         * gimple.h (count_uses_and_derefs): Declare.
26322         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
26323         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
26324         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
26325         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
26326         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
26327         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
26328         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
26329         New functions.
26330         * tree-dfa.c (refs_may_alias_p): Move ...
26331         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
26332         * tree-ssa-alias.h: New file.
26333         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
26334         (statement_sink_location): Likewise.
26335         * opts.c (decode_options): Do not adjust max-aliased-vops or
26336         avg-aliased-vops values.
26337         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
26338         (TV_CALL_CLOBBER): Likewise.
26339         (TV_FLOW_SENSITIVE): Likewise.
26340         (TV_FLOW_INSENSITIVE): Likewise.
26341         (TV_MEMORY_PARTITIONING): Likewise.
26342         (TV_ALIAS_STMT_WALK): New timevar.
26343         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
26344         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
26345         (get_address_description): Remove memory-tag related code.
26346         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
26347         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
26348         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
26349         and immediate uses in statements.  Document.
26350         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
26351         (dump_symbols): Remove.
26352         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
26353         * alias.c (get_deref_alias_set): New function split out from ...
26354         (get_alias_set): ... here.
26355         * alias.h (get_deref_alias_set): Declare.
26356         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
26357         type parameter.  Remove restrict pointer handling.  Create a
26358         ref-all pointer in case type-based alias sets do not conflict.
26359         (vect_analyze_data_refs): Remove SMT related code.
26360         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
26361         (vectorizable_load): Likewise.
26362         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
26363         (DR_SYMBOL_TAG, DR_VOPS): Remove.
26364         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
26365         Ignore vops and SMTs.
26366         (dr_analyze_alias): Likewise..
26367         (free_data_ref): Likewise.
26368         (create_data_ref): Likewise.
26369         (analyze_all_data_dependences): Likewise.
26370         (get_references_in_stmt): Adjust.
26371         * tree-flow-inline.h (gimple_aliases_computed_p,
26372         gimple_addressable_vars, gimple_call_clobbered_vars,
26373         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
26374         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
26375         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
26376         gimple_mem_ref_stats): Remove.
26377         (gimple_vop): New function.
26378         (op_iter_next_use): Remove vuses and mayuses cases.
26379         (op_iter_next_def): Remove vdefs case.
26380         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
26381         (clear_and_done_ssa_iter): Do not set removed fields.
26382         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
26383         Assert we are not iterating over vuses or vdefs if not also
26384         iterating over uses or defs.
26385         (op_iter_init_use): Likewise.
26386         (op_iter_init_def): Likewise.
26387         (op_iter_next_vdef): Remove.
26388         (op_iter_next_mustdef): Likewise.
26389         (op_iter_init_vdef): Likewise.
26390         (compare_ssa_operands_equal): Likewise.
26391         (link_use_stmts_after): Handle vuse operand.
26392         (is_call_used): Use is_call_clobbered.
26393         (is_call_clobbered): Global variables are always call clobbered,
26394         query the call-clobbers bitmap.
26395         (mark_call_clobbered): Ignore global variables.
26396         (clear_call_clobbered): Likewise.
26397         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
26398         virtual operands sanity check.
26399         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
26400         Remove.
26401         (TARGET_MEM_REF): Remove TMR_TAG operand.
26402         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
26403         Remove call-clobber related code.
26404         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
26405         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
26406         partitions or escape reason.
26407         (get_single_def_stmt, get_single_def_stmt_from_phi,
26408         get_single_def_stmt_with_phi): Remove.
26409         (dump_referenced_vars): Tidy.
26410         (get_ref_base_and_extent): Allow bare decls.
26411         (collect_dfa_stats): Adjust.
26412         * graphite.c (rename_variables_in_stmt): Adjust.
26413         (graphite_copy_stmts_from_block): Likewise.
26414         (translate_clast): Likewise.
26415         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
26416         (EXPR_DIES): New.
26417         (translate_vuse_through_block): Use the oracle.
26418         (phi_translate_1): Adjust.
26419         (value_dies_in_block_x): Use the oracle.  Cache the outcome
26420         in EXPR_DIES.
26421         (valid_in_sets): Check if the VUSE for
26422         a REFERENCE is available.
26423         (eliminate): Do not remove stmts during elimination,
26424         instead queue and remove them afterwards.
26425         (do_pre): Do not rebuild alias info.
26426         (pass_pre): Run TODO_rebuild_alias before PRE.
26427         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
26428         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
26429         (mark_all_v_defs_stmt): Remove.
26430         (mark_all_v_defs_seq): Adjust.
26431         (sra_replace): Likewise.
26432         (scalarize_use): Likewise.
26433         (scalarize_copy): Likewise.
26434         (scalarize_init): Likewise.
26435         (scalarize_ldst): Likewise.
26436         (todoflags): Remove.
26437         (tree_sra): Do not rebuild alias info.
26438         (tree_sra_early): Adjust.
26439         (pass_sra): Run TODO_update_address_taken before SRA.
26440         * tree-predcom.c (set_alias_info): Remove.
26441         (prepare_initializers_chain): Do not call it.
26442         (mark_virtual_ops_for_renaming): Adjust.
26443         (mark_virtual_ops_for_renaming_list): Remove.
26444         (initialize_root_vars): Adjust.
26445         (initialize_root_vars_lm): Likewise.
26446         (prepare_initializers_chain): Likewise.
26447         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
26448         (may_propagate_copy_into_stmt): Likewise.
26449         (merge_alias_info): Do nothing for now.
26450         (propagate_tree_value_into_stmt): Adjust.
26451         (stmt_may_generate_copy): Likewise.
26452         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
26453         not mark symbols for renaming.
26454         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
26455         with the same statement, make sure to update the new pointed-to one.
26456         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
26457         call statements, do not mark symbols for renaming.
26458         (mark_operand_necessary): Dump something.
26459         (ref_may_be_aliased): New function.
26460         (mark_aliased_reaching_defs_necessary_1): New helper function.
26461         (mark_aliased_reaching_defs_necessary): Likewise.
26462         (mark_all_reaching_defs_necessary_1): Likewise.
26463         (mark_all_reaching_defs_necessary): Likewise.
26464         (propagate_necessity): Do not process virtual PHIs.  For
26465         non-aliased loads mark all reaching definitions as necessary.
26466         For aliased loads and stores mark the immediate dominating
26467         aliased clobbers as necessary.
26468         (visited): New global static.
26469         (perform_tree_ssa_dce): Free visited bitmap after propagating
26470         necessity.
26471         (remove_dead_phis): Perform simple dead virtual PHI removal.
26472         (remove_dead_stmt): Properly unlink virtual operands when
26473         removing stores.
26474         (eliminate_unnecessary_stmts): Schedule PHI removal after
26475         stmt removal.
26476         * tree-ssa-ter.c (is_replaceable_p): Adjust.
26477         (process_replaceable): Likewise.
26478         (find_replaceable_in_bb): Likewise.
26479         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
26480         based on the single gimple vop.
26481         (verify_flow_insensitive_alias_info): Remove.
26482         (verify_flow_sensitive_alias_info): Likewise.
26483         (verify_call_clobbering): Likewise.
26484         (verify_memory_partitions): Likewise.
26485         (verify_alias_info): Likewise.
26486         (verify_ssa): Adjust..
26487         (execute_update_addresses_taken): Export.  Update SSA
26488         manually.  Optimize only when optimizing.  Use a local bitmap.
26489         (pass_update_address_taken): Remove TODO_update_ssa, add
26490         TODO_dump_func.
26491         (pass_update_address_taken): Just use TODO_update_address_taken.
26492         (init_tree_ssa): Do not initialize addressable_vars.
26493         (verify_ssa): Verify new VUSE / VDEF properties.
26494         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
26495         Do not call verify_alias_info.
26496         (delete_tree_ssa): Clear the VUSE, VDEF operands.
26497         Do not free the loaded and stored syms bitmaps.  Reset the escaped
26498         and callused solutions.  Do not free addressable_vars.
26499         Remove memory-tag related code.
26500         (warn_uninitialized_var): Aliases are always available.
26501         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
26502         * lambda-code.c (can_put_in_inner_loop): Adjust.
26503         (can_put_after_inner_loop): Likewise.
26504         (perfect_nestify): Likewise.
26505         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
26506         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
26507         (vectorizable_conversion): Do not mark symbols for renaming.
26508         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
26509         (expand_call_inline): Unlink the calls virtual operands before
26510         replacing it.
26511         (tree_function_versioning): Do not call update_ssa if we are not
26512         updating clones.  Simplify.
26513         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
26514         (propagate_with_phi): Likewise..
26515         * tree-outof-ssa.c (create_temp): Remove memory tag and call
26516         clobber code.  Assert we are not aliased or global.
26517         * tree-flow.h: Include tree-ssa-alias.h
26518         (enum escape_type): Remove.
26519         (struct mem_sym_stats_d): Likewise.
26520         (struct mem_ref_stats_d): Likewise.
26521         (struct gimple_df): Add vop member.  Remove global_var,
26522         call_clobbered_vars, call_used_vars, addressable_vars,
26523         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
26524         escaped and callused members.
26525         (struct ptr_info_def): Remove all members, add points-to solution
26526         member pt.
26527         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
26528         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
26529         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
26530         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
26531         (tree-ssa-alias.o): Likewise.
26532         (toplev.o): Add tree-ssa-alias.h
26533         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
26534         * gimple.c (gimple_set_bb): Fix off-by-one error.
26535         (is_gimple_reg): Do not handle memory tags.
26536         (gimple_copy): Also copy virtual operands.
26537         Delay updating the statement.  Do not reset loaded and stored syms.
26538         (gimple_set_stored_syms): Remove.
26539         (gimple_set_loaded_syms): Likewise.
26540         (gimple_call_copy_skip_args): Copy the virtual operands
26541         and mark the new statement modified.
26542         * tree-ssa-structalias.c (may_alias_p): Remove.
26543         (set_uids_in_ptset): Take the alias set to prune with as
26544         parameter.  Fold in the alias test of may_alias_p.
26545         (compute_points_to_sets): Compute whether a ptr is dereferenced
26546         in a local sbitmap.
26547         (process_constraint): Deal with &ANYTHING on the lhs, reject all
26548         other ADDRESSOF constraints on the lhs.
26549         (get_constraint_for_component_ref): Assert that we don't get
26550         ADDRESSOF constraints from the base of the reference.
26551         Properly generate UNKNOWN_OFFSET for DEREF if needed.
26552         (struct variable_info): Remove collapsed_to member.
26553         (get_varinfo_fc): Remove.
26554         (new_var_info): Do not set collapsed_to.
26555         (dump_constraint): Do not follow cycles.
26556         (dump_constraint_graph): Likewise.
26557         (build_pred_graph): Likewise.
26558         (build_succ_graph): Likewise.
26559         (rewrite_constraints): Likewise.
26560         (do_simple_structure_copy): Remove.
26561         (do_rhs_deref_structure_copy): Remove.
26562         (do_lhs_deref_structure_copy): Remove.
26563         (collapse_rest_of_var): Remove.
26564         (do_structure_copy): Re-implement.
26565         (pta_stats): New global variable.
26566         (dump_pta_stats): New function.
26567         (struct constraint_expr): Make offset signed.
26568         (UNKNOWN_OFFSET): Define special value.
26569         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
26570         (solution_set_expand): New helper function split out from ...
26571         (do_sd_constraint): ... here.
26572         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
26573         (do_ds_constraint): Likewise.
26574         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
26575         and CALLUSED = *CALLUSED.
26576         (set_union_with_increment): Make inc argument signed.
26577         (type_safe): Remove.
26578         (get_constraint_for_ptr_offset): Handle unknown and negative
26579         constant offsets.
26580         (first_vi_for_offset): Handle offsets before start.  Bail
26581         out early for offsets beyond the variable extent.
26582         (first_or_preceding_vi_for_offset): New function.
26583         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
26584         Together with ESCAPED = *ESCAPED this properly computes reachability.
26585         (find_what_var_points_to): New function.
26586         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
26587         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
26588         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
26589         pt_solutions_intersect): New functions.
26590         (compute_call_used_vars): Remove.
26591         (compute_may_aliases): New main entry into PTA computation.
26592         * gimple.h (gimple_p): New typedef.
26593         (struct gimple_statement_base): Remove references_memory_p.
26594         (struct gimple_statement_with_memory_ops_base): Remove
26595         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
26596         members.
26597         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
26598         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
26599         gimple_set_references_memory): Remove.
26600         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
26601         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
26602         New functions.
26603         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
26604         (verify_expr): Allow RESULT_DECL.
26605         (gimple_duplicate_bb): Do not copy virtual operands.
26606         (gimple_duplicate_sese_region): Adjust.
26607         (gimple_duplicate_sese_tail): Likewise.
26608         (mark_virtual_ops_in_region): Remove.
26609         (move_sese_region_to_fn): Do not call it.
26610         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
26611         and pass_simple_dse.
26612         (execute_function_todo): Handle TODO_update_address_taken,
26613         call execute_update_addresses_taken for TODO_rebuild_alias.
26614         (execute_todo): Adjust.
26615         (execute_one_pass): Init dump files early.
26616         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
26617         call-clobbered.
26618         (create_general_new_stmt): Clear vops.
26619         * tree-ssa-reassoc.c (get_rank): Adjust.
26620         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
26621         symbols for renaming.
26622         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
26623         (PARAM_AVG_ALIASED_VOPS): Likewise.
26624         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
26625         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
26626         * tree-ssa-operands.c: Simplify for new virtual operand representation.
26627         (operand_build_cmp, copy_virtual_operands,
26628         create_ssa_artificial_load_stmt, add_to_addressable_set,
26629         gimple_add_to_addresses_taken): Remove public functions.
26630         (unlink_stmt_vdef): New function.
26631
26632 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
26633
26634         * config.gcc (powerpc-*-linux*): Merge variants.
26635
26636 2009-04-02  Chao-ying Fu  <fu@mips.com>
26637             James Grosbach  <james.grosbach@microchip.com>
26638
26639         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
26640         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
26641         cop0_sp_offset.
26642         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
26643         keep_interrupts_masked_p, use_debug_exception_return_p.
26644         (mips_attribute_table): Add interrupt, use_shadow_register_set,
26645         keep_interrupts_masked, use_debug_exception_return.
26646         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
26647         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
26648         New functions.
26649         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
26650         (mips_print_operand): Process COP0 registers to print $0 .. $31
26651         correctly for GAS to process.
26652         (mips_interrupt_extra_call_saved_reg_p): New function.
26653         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
26654         extra registers.
26655         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
26656         (mips_compute_frame_info): Add supports for interrupt context that
26657         includes doubleword accumulators and COP0 registers.
26658         (mips_for_each_saved_acc): New function.
26659         (mips_for_each_saved_gpr_and_fpr): Change the function name from
26660         mips_for_each_saved_reg.
26661         (mips_save_reg): Save accumulators.
26662         (mips_kernel_reg_p): A new for_each_rtx callback.
26663         (mips_expand_prologue): Support interrupt handlers.
26664         (mips_restore_reg): Restore accumulators.
26665         (mips_expand_epilogue): Support interrupt handlers.
26666         (mips_can_use_return_insn): Return false for interrupt handlers.
26667         (mips_epilogue_uses): New function.
26668         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
26669         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
26670         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
26671         cop0_move): New instructions.
26672         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
26673         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
26674         defines.
26675         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
26676         New defines.
26677         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
26678         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
26679         interrupt handlers, we use K0 as the temporary register.
26680         (EPILOGUE_USES): Change to a function call.
26681         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
26682         handlers, we use K0 as the temporary register.
26683
26684         * doc/extend.texi (Function Attributes): Document interrupt,
26685         use_shadow_register_set, keep_interrupts_masked,
26686         use_debug_exception_return for MIPS attributes.
26687
26688 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
26689
26690         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
26691         Remove a number of t-files from tmake_file.
26692         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
26693         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
26694         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
26695         target_prototype, not TARGET_PROTOTYPE.
26696         (LINK_OS_GNU_SPEC): Define.
26697         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
26698         and darwin-ldoubdle.c.
26699
26700 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
26701
26702         PR driver/39293
26703         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
26704         (cpp_options): Ditto.
26705         (default_compilers): Ditto.
26706         (display_help): Ditto.
26707         (process_command): Ditto.
26708         (do_spec_1): Ditto.
26709         (set_input): Use lbasename instead of duplicate code.
26710         (save_temps_prefix): New static for -save-temps=obj.
26711         (save_temps_length): Ditto.
26712
26713         * doc/invoke.texi (-save-temps=obj): Document new variant to
26714         -save-temps switch.
26715
26716 2009-04-02  Jeff Law  <law@redhat.com>
26717
26718         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
26719         variable.
26720
26721 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
26722
26723         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
26724         * configure: Regenerated.
26725
26726 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
26727
26728         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
26729         share the argument list.
26730
26731 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
26732
26733         Merge
26734
26735         2009-02-12  Diego Novillo  <dnovillo@google.com>
26736
26737         * varpool.c (debug_varpool): New.
26738         * cgraph.h (debug_varpool): Declare.
26739
26740 2009-04-02  Jan Hubicka  <jh@suse.cz>
26741
26742         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
26743         pass.
26744
26745 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
26746
26747         * config/i386/i386.c (ix86_abi): Move initialization to ...
26748         (override_options): Here.
26749
26750 2009-04-02  Christian Bruel  <christian.bruel@st.com>
26751
26752         * config/sh/sh.c (sh_dwarf_register_span): New function.
26753         (TARGET_DWARF_REGISTER_SPAN): Define.
26754         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
26755
26756 2009-04-02  Ira Rosen  <irar@il.ibm.com>
26757
26758         PR tree-optimization/39595
26759         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
26760         interleaved loads group is not  greater than the SLP group size.
26761
26762 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
26763
26764         * builtins.c (is_builtin_name): New.
26765         (called_as_built_in): Use is_builtin_name.
26766         * tree.h (is_builtin_name): New.
26767         * varasm.c (incorporeal_function_p): Use is_builtin_name
26768
26769 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
26770
26771         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
26772
26773 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
26774
26775         PR c++/26693
26776         * c-decl.c (clone_underlying_type): Move this ...
26777         * c-common.c (set_underlying_type): ... here.
26778         Also, make sure the function properly sets TYPE_STUB_DECL() on
26779         the newly created typedef variant type.
26780         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
26781         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
26782         points.
26783
26784 2009-04-02  Richard Guenther  <rguenther@suse.de>
26785
26786         PR tree-optimization/37221
26787         * tree-flow.h (degenerate_phi_result): Declare.
26788         * tree-ssa-dom.c (degenerate_phi_result): Export.
26789         * tree-scalar-evolution.c (analyze_initial_condition): If
26790         the initial condition is defined by a degenerate PHI node
26791         use the degenerate value.
26792
26793 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
26794
26795         PR rtl-optimization/39588
26796         * combine.c (merge_outer_ops): Do not set the constant when this
26797         is not necessary.
26798         (simplify_shift_const_1): Do not modify it either in this case.
26799
26800 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
26801
26802         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
26803         tuning is deprecated if -mtune value is set to an Itanium1 variant.
26804
26805 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
26806
26807         PR c/29027
26808         * c-lex.c (interpret_float): Default (no suffix) is double.
26809
26810 2009-04-1  Xinliang David Li  <davidxl@google.com>
26811
26812         * config/i386/i386.c (legitimate_constant_p): Recognize
26813         all one vector constant.
26814
26815 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26816
26817         * config/vax/vax.c: Add #includes to silence warnings.
26818         Change #include order to silence two warnings.
26819
26820 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26821
26822         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
26823         (ASM_SPEC): Pass -k to the assembler for PIC code.
26824
26825 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26826
26827         * config.gcc: Add vax-*-linux* to the switch.
26828         * config/vax/linux.h: New file. (TARGET_VERSION,
26829         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
26830
26831 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26832
26833         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
26834         Use predicate macros instead of GET_CODE() == foo.
26835         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
26836         ashlsi3, rotrsi3, <unnamed>): Likewise.
26837
26838 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26839
26840         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
26841         jbbccihi, jbbccisi): Remova trailing whitespace.
26842         * config/vax/constraints.md: Likewise.
26843         * config/vax/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
26844         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
26845         * config/vax/predicates.md: Likewise.
26846         * config/vax/vax.c (print_operand_address, vax_output_int_move,
26847         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
26848         * config/vax/vax.h: Likewise.
26849         * config/vax/vax.md (nonlocal_goto): Likewise.
26850
26851 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26852
26853         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
26854         (indirectable_address_p, adjacent_operands_p): Add spaces around
26855         braces.
26856         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
26857
26858 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26859
26860         * config/vax/vax.c (legitimate_constant_address_p,
26861         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
26862         index_term_p, reg_plus_index_p, legitimate_address_p,
26863         vax_mode_dependent_address_p): Update comments to match functions
26864         modified by the recent int->bool conversion.
26865
26866 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26867
26868         * config/vax/builtins.md: Update copyright message.
26869         * config/vax/constraints.md: Likewise.
26870         * config/vax/netbsd-elf.h: Likewise.
26871         * config/vax/predicates.md: Likewise.
26872         * config/vax/vax-protos.h: Likewise.
26873         * config/vax/vax.c: Likewise.
26874         * config/vax/vax.h: Likewise.
26875         * config/vax/vax.md: Likewise.
26876         * config/vax/vax.opt: Likewise.
26877
26878 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
26879
26880         * config/vax/builtins.md (ffssi2, ffssi2_internal,
26881         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
26882         * config/vax/constraints.md (B, R): Likewise.
26883         * config/vax/predicates.md (external_memory_operand,
26884         nonimmediate_addsub_di_operand): Likewise.
26885         * config/vax/vax.c (vax_output_int_add): Likewise.
26886         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
26887         untyped_call): Likewise.
26888
26889 2009-04-01  Matt Thomas  <matt@3am-software.com>
26890
26891         * config/vax/predicates.md: New file.
26892         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
26893         external_const_operand, nonsymbolic_operand, external_memory_operand,
26894         indirect_memory_operand, indexed_memory_operand,
26895         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
26896         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
26897         predicate.
26898         * config/vax/constraints.md: New file.
26899         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
26900         New constraint.
26901         * config/vax/builtins.md: New file.
26902         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
26903         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
26904         jbbccisi): Define.
26905         * config/vax/vax.opt (mqmath): Add option.
26906         * config/vax/vax.md (isfx): Extend with DI.
26907         (VAXintQH, VAXintQHSD): Define.
26908         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
26909         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
26910         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
26911         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
26912         (movdi): Update constraints and use vax_output_int_move().
26913         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
26914         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
26915         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
26916         nonlocal_goto): New.
26917         (mov<mode>): Extend accepted operand types.
26918         (subdi3_old): Rename from subdi3, change update constraints and use
26919         a new implementation.
26920         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
26921         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
26922         MOVE_RATIO, CLEAR_RATIO): Define.
26923         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
26924         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
26925         (PRINT_OPERAND): Redefine using a function instead of inlined code.
26926         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
26927         (split_quadword_operands): Make static and really allow variable
26928         splitting.
26929         (print_operand_address): Update for PIC generation.
26930         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
26931         indexable_address_p, fixup_mathdi_operand,
26932         vax_expand_addsub_di_operands, adjacent_operands_p): New.
26933         (vax_float_literal, legitimate_constant_p,
26934         indirectable_constant_address_p, index_term_p,
26935         reg_plus_index_p): Return bool instead of int.
26936         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
26937         where needed.
26938         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
26939         generation.
26940         (vax_output_conditional_branch): Indent.
26941         (legitimate_constant_address_p, indirectable_constant_address_p,
26942         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
26943         vax_mode_dependent_address_p): Return bool instead of int, update for
26944         PIC generation.
26945         * config/vax/vax-protos.h (legitimate_constant_address_p,
26946         legitimate_constant_p, legitimate_address_p,
26947         vax_mode_dependent_address_p): Change declaration to bool.
26948         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
26949         vax_expand_addsub_di_operands, vax_output_int_subtract,
26950         vax_output_movmemsi): Declare.
26951         (split_quadword_operands, vax_float_literal): Delete declaration.
26952         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
26953         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
26954         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
26955         ASM_OUTPUT_DWARF_PCREL): Define.
26956         (ASM_SPEC): Change definition to allow PIC generation.
26957
26958 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
26959
26960         * doc/sourcebuild.texi: Update front-end requirements.
26961
26962 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
26963
26964         PR target/39226
26965         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
26966         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
26967         (booldi3_internal3): Use boolean_or_operator instead of
26968         boolean_operator.
26969
26970 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
26971
26972         PR c/39605
26973         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
26974         declarator whose size is not an integer constant expression but
26975         folds to an integer constant, then treat it as a constant
26976         subsequently.
26977
26978 2009-04-01  Richard Guenther  <rguenther@suse.de>
26979
26980         * fold-const.c (fold_plusminus_mult_expr): Do not fold
26981         i * 4 + 2 to (i * 2 + 1) * 2.
26982
26983 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
26984
26985         PR c/37772
26986         * c-parser.c (c_parser_asm_statement): Skip until close paren and
26987         return if c_parser_asm_string_literal returned NULL.
26988
26989 2009-04-01  Nick Clifton  <nickc@redhat.com>
26990
26991         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
26992         already defined.
26993         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
26994         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
26995         other typedefs to avoid conflicts with libgcc2.c.  Define labels
26996         to gain 16-bit bit-manipulation functions from libgcc2.c and then
26997         include it.
26998         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
26999         to gain 16-bit trapping arithmetic functions from libgcc2.c and
27000         then include it.
27001
27002 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
27003
27004         * varasm.c (default_function_rodata_section): Declare DOT as
27005         const char*.
27006
27007 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
27008             Andrey Galkin  <agalkin@hypercom.com>
27009
27010         PR/39492
27011         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
27012         Make object_name unique for each process.
27013
27014 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
27015
27016         PR other/39591
27017         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
27018         addressable variables in the parallel that could go out of scope while
27019         running queued tasks.
27020
27021 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
27022
27023         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
27024         (CASE_VALUES_THRESHOLD): Redefine.
27025         * config/avr/avr.c (avr_override_options): Remove initialization of
27026         avr_case_values_threshold variable.
27027         (avr_case_values_threshold): Remove variable. Add new function.
27028         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
27029         * config/avr/avr.opt (mno-tablejump): Remove option.
27030         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
27031
27032 2009-04-01  DJ Delorie  <dj@redhat.com>
27033
27034         * varasm.c (default_function_rodata_section): Don't assume
27035         anything about where the first '.' in the section name is.
27036
27037 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
27038
27039         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
27040         rs6000_emit_stack_tie.
27041
27042 2009-03-31  Ian Lance Taylor  <iant@google.com>
27043
27044         * tree-eh.c (tree_remove_unreachable_handlers): Compare
27045         gimple_code with GIMPLE_RESX, not RESX.
27046
27047 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27048
27049         * c-common.c (c_get_ident): New.
27050         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
27051
27052 2009-04-01  Ben Elliston  <bje@au.ibm.com>
27053
27054         * config/rs6000/sysv4.opt (msdata): Improve option description.
27055
27056 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
27057
27058         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
27059         (divdf3_internal_lat): Remove.
27060         (divxf3_internal_lat): Remove.
27061         (divxf3_internal_thr): Remove.
27062         (divxf): Use divxf3_internal.
27063         * config/ia64/div.md (divsf3_internal_lat): New.
27064         (divdf3_internal_lat): New.
27065         (divxf3_internal): New.
27066
27067 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27068
27069         PR c/448
27070         * Makefile.in (USE_GCC_STDINT): Define.
27071         (stmp-int-hdrs): Install stdint.h if applicable.
27072         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
27073         if known.
27074         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
27075         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
27076         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
27077         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
27078         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
27079         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
27080         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
27081         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
27082         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
27083         (c_common_nodes_and_builtins): Initialize
27084         underlying_wchar_type_node.  Do not initialize
27085         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
27086         nodes for new types.
27087         (c_stddef_cpp_builtins): Define macros for new types.
27088         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
27089         Remove.
27090         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
27091         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
27092         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
27093         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
27094         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
27095         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
27096         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
27097         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
27098         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
27099         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
27100         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
27101         int16_type_node, int32_type_node, int64_type_node,
27102         uint8_type_node, uint16_type_node, c_uint32_type_node,
27103         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
27104         int_least32_type_node, int_least64_type_node,
27105         uint_least8_type_node, uint_least16_type_node,
27106         uint_least32_type_node, uint_least64_type_node,
27107         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
27108         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
27109         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
27110         uintptr_type_node): Define.
27111         * c-cppbuiltin.c (builtin_define_constants,
27112         builtin_define_type_minmax): New.
27113         (builtin_define_stdint_macros): Define more macros.
27114         (c_cpp_builtins): Define more limit macros.
27115         (type_suffix): New.
27116         (builtin_define_type_max): Define in terms of
27117         builtin_define_type_minmax.  Remove is_long parameter.  All
27118         callers changed.
27119         * config.gcc (use_gcc_stdint): Define.
27120         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
27121         Add newlib-stdint.h for generic targets.
27122         * config/glibc-stdint.h, config/newlib-stdint.h,
27123         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
27124         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
27125         * config/score/score.h (UINTPTR_TYPE): Define.
27126         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
27127         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
27128         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
27129         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
27130         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
27131         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
27132         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
27133         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
27134         * config/spu/spu.h (STDINT_LONG32): Define.
27135         * configure.ac (use_gcc_stdint): Substitute.
27136         * configure: Regenerate.
27137         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
27138         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
27139         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
27140         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
27141         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
27142         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
27143         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
27144         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
27145         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
27146         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
27147         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
27148         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
27149         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
27150         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
27151         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
27152         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
27153         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
27154         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
27155         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
27156         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
27157         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
27158         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
27159         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
27160         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
27161         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
27162         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
27163         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
27164         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
27165         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
27166
27167 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
27168
27169         * loop-iv.c (suitable_set_for_replacement): Renamed from
27170         simplify_using_assignment; changed to return bool and to accept new
27171         args DEST and SRC.  Return true iff we find a source/destination pair
27172         that can be used to make a replacement, and fill SRC and DEST if so.
27173         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
27174         changed.
27175         (simplify_using_initial_values): Deal with altered regs here and track
27176         more precisely the effect they have on the validity of our expression.
27177
27178         * loop-iv.c (simplify_using_condition): A condition of the form
27179         (EQ REG CONST) can be used to simply make a substitution.
27180         (simplify_using_initial_values): Keep track of conditions we have seen
27181         and keep using them to simplify new expressions, while applying the
27182         same substitutions to them as to the expression.
27183
27184         * simplify-rtx.c (simplify_relational_operation_1): Simplify
27185         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
27186         GEU/LTU reversed.
27187
27188         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
27189         changed.  Use this when trying to improve the upper bound.
27190         Generate the comparison by using simplify_gen_relational.
27191
27192         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
27193
27194         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
27195         functions.
27196         (simplify_using_assignment, simplify_using_initial_values): Call
27197         replace_in_expr to make replacements.  Call replace_single_def_regs
27198         once on the initial version of the expression.
27199
27200 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
27201
27202         PR target/27237
27203         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
27204
27205 2009-03-31  Richard Guenther  <rguenther@suse.de>
27206
27207         PR middle-end/31029
27208         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
27209         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
27210
27211 2009-03-31  Richard Guenther  <rguenther@suse.de>
27212
27213         * tree.h (div_if_zero_remainder): Declare.
27214         * fold-const.c (div_if_zero_remainder): Export.
27215         * tree-ssa-forwprop.c
27216         (forward_propagate_addr_into_variable_array_index): Handle
27217         constant array index addition outside of the variable index.
27218
27219 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27220
27221         PR target/39592
27222         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
27223         define_splits, floatunssi<mode>2): Require x87 conversions from
27224         DImode to be permitted.
27225
27226 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
27227
27228         PR preprocessor/15638
27229         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
27230
27231 2009-03-31  Richard Guenther  <rguenther@suse.de>
27232
27233         PR middle-end/23401
27234         PR middle-end/27810
27235         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
27236         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
27237         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
27238         a separate statement.
27239         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
27240         (lookup_tmp_var): Likewise.
27241         (is_gimple_formal_tmp_or_call_rhs): Remove.
27242         (is_gimple_reg_or_call_rhs): Rename to ...
27243         (is_gimple_reg_rhs_or_call): ... this.
27244         (is_gimple_mem_or_call_rhs): Rename to ...
27245         (is_gimple_mem_rhs_or_call): ... this.
27246         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
27247         DECL_GIMPLE_REG_P only if is_formal is true.
27248         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
27249         for non-proper post-modify expression gimplification.
27250         (gimplify_self_mod_expr): For post-modify expressions gimplify
27251         the lvalue to a minimal lvalue.
27252         (rhs_predicate_for): Remove formal temp case.
27253         (gimplify_modify_expr_rhs): Likewise.
27254         (gimplify_addr_expr): Use is_gimple_reg.
27255         (gimplify_expr): Remove formal temp cases.
27256         (gimple_regimplify_operands): Likewise.
27257         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
27258         and FILTER_EXPR like constants.
27259         * gimple.c (walk_gimple_op): Fix val_only initialization, use
27260         is_gimple_reg.
27261         (is_gimple_formal_tmp_rhs): Remove.
27262         (is_gimple_reg_rhs): Remove special casing.
27263         (is_gimple_mem_rhs): Fix.
27264         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
27265         (is_gimple_formal_tmp_var): Remove.
27266         (is_gimple_formal_tmp_reg): Likewise.
27267         (is_gimple_min_lval): Allow invariant component ref parts.
27268         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
27269         is_gimple_formal_tmp_reg): Remove declarations.
27270         * tree-cfg.c (verify_expr): Verify that variables with address
27271         taken do not have DECL_GIMPLE_REG_P set.
27272         * tree-mudflap.c (mf_build_check_statement_for): Use
27273         force_gimple_operand instead of gimplify_expr.
27274
27275 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
27276
27277         * modulo-sched.c (sms_schedule_by_order): Pass the actual
27278         schedulable rows to compute_split_row.
27279
27280 2009-03-31  Ben Elliston  <bje@au.ibm.com>
27281
27282         PR target/31635
27283         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
27284         OPT_mvrsave.
27285
27286 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
27287
27288         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
27289         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
27290         * configure: Regenerate.
27291         * config.in: Regenerate.
27292         * config/rs6000/rs6000.opt (mtls-markers): Add.
27293         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
27294         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
27295         (tls_ld_aix, tls_ld_sysv): Likewise.
27296         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
27297         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
27298
27299 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
27300
27301         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
27302
27303 2009-03-30  Jan Hubicka  <jh@suse.cz>
27304
27305         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
27306         out of RESX.
27307         (tree_remove_unreachable_handlers): Cleanup EH predecestor
27308         detection and label handling.
27309
27310 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
27311
27312         * ira-int.h (ira_allocno): Rename left_conflicts_num to
27313         left_conflicts_size.
27314         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
27315         ALLOCNO_LEFT_CONFLICTS_SIZE.
27316
27317         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
27318         remove_allocno_from_bucket_and_push,
27319         allocno_spill_priority_compare, push_allocnos_to_stack,
27320         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
27321         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
27322         (setup_allocno_left_conflicts_num): Ditto.  Rename to
27323         setup_allocno_left_conflicts_size.
27324         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
27325         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
27326         setup_allocno_left_conflicts_size instead of
27327         setup_allocno_left_conflicts_num.
27328
27329         * ira-build.c (ira_create_allocno): Use
27330         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
27331         ALLOCNO_LEFT_CONFLICTS_NUM.
27332
27333 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
27334
27335         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
27336         instead of DF_LR_OUT.
27337
27338         * ira-lives.c (process_bb_node_lives): Ditto.
27339
27340         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
27341         instead of DF_LR_{OUT,IN}.
27342
27343         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
27344
27345         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
27346
27347 2009-03-30  Jan Hubicka  <jh@suse.cz>
27348
27349         * except.c (label_to_region_map): Fix thinko.
27350
27351 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
27352
27353         PR middle-end/38237
27354         * tree.h (tree_find_value): New declaration.
27355         * tree.c (tree_find_value): New function.
27356         * varasm.c (assemble_external): Avoid duplicate entries on lists.
27357
27358 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
27359
27360         PR debug/39563
27361         * c-decl.c (struct c_binding): Add locus field.
27362         (bind): Add locus argument, set locus field from it.
27363         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
27364         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
27365         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
27366         implicitly_declare, undeclared_variable, lookup_label,
27367         declare_label, c_make_fname_decl, c_builtin_function,
27368         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
27369         bind callers.
27370
27371 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
27372
27373         PR target/38781
27374         * config/i386/i386.c (classify_argument): Check total size of
27375         structure.
27376
27377 2009-03-30  Martin Jambor  <mjambor@suse.cz>
27378
27379         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
27380         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
27381         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
27382         respectively.
27383
27384         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
27385         seen_variable_array_ref while also traversing a union.
27386
27387         * tree-inline.c (optimize_inline_calls): Do not call
27388         cgraph_node_remove_callees.
27389         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
27390         (pass_remove_cgraph_callee_edges): New variable.
27391         * passes.c (init_optimization_passes): Add
27392         pass_remove_cgraph_callee_edges after early inlining and before all
27393         late intraprocedural passes.
27394
27395         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
27396
27397 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27398
27399         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
27400         Fix typos in names.
27401
27402 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27403
27404         * combine.c (simplify_comparison): Use have_insn_for.
27405         * dojump.c (do_jump): Likewise.
27406
27407 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27408
27409         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
27410         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
27411         sparc_compare_op0 like sparc_compare_emitted used to be handled.
27412         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
27413         instead of sparc_compare_emitted.
27414         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
27415         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
27416         instead of sparc_compare_emitted.
27417
27418 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27419
27420         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
27421         enter/exit cfglayout mode.
27422         (pass_partition_block): Require it.
27423         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
27424         (combine_instructions): Track basic blocks instead of labels.
27425         (update_cfg_for_uncondjump): New.
27426         (try_combine): Use it.  Update jumps after rescanning.
27427         (pass_combine): Require PROP_cfglayout.
27428         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
27429
27430 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27431
27432         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
27433         Provide/destroy PROP_cfglayout respectively.
27434         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
27435         * tree-pass.h (PROP_cfglayout): New.
27436
27437 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
27438
27439         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
27440         fold_convert_const_fixed_from_fixed,
27441         fold_convert_const_fixed_from_int,
27442         fold_convert_const_fixed_from_real, fold_negate_const): Do not
27443         set TREE_CONSTANT_OVERFLOW.
27444         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
27445         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
27446
27447 2009-03-30  Ira Rosen  <irar@il.ibm.com>
27448
27449         * tree-vect-loop-manip.c: New file.
27450         * tree-vectorizer.c: Update documentation and included files.
27451         (vect_loop_location): Make extern.
27452         (rename_use_op): Move to tree-vect-loop-manip.c
27453         (rename_variables_in_bb, rename_variables_in_loop,
27454         slpeel_update_phis_for_duplicate_loop,
27455         slpeel_update_phi_nodes_for_guard1,
27456         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
27457         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
27458         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
27459         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
27460         find_loop_location): Likewise.
27461         (new_stmt_vec_info): Move to tree-vect-stmts.c.
27462         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
27463         get_vectype_for_scalar_type, vect_is_simple_use,
27464         supportable_widening_operation, supportable_narrowing_operation):
27465         Likewise.
27466         (bb_in_loop_p): Move to tree-vect-loop.c.
27467         (new_loop_vec_info, destroy_loop_vec_info,
27468         reduction_code_for_scalar_code, report_vect_op,
27469         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
27470         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
27471         (vect_supportable_dr_alignment): Likewise.
27472         * tree-vectorizer.h (tree-data-ref.h): Include.
27473         (vect_loop_location): Declare.
27474         Reorganize function declarations according to the new file structure.
27475         * tree-vect-loop.c: New file.
27476         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
27477         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
27478         * tree-vect-data-refs.c: New file.
27479         * tree-vect-patterns.c (timevar.h): Don't include.
27480         * tree-vect-stmts.c: New file.
27481         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
27482         tree-vect-slp.c, tree-vect-loop.c.
27483         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
27484         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
27485         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
27486         (tree-vect-analyze.o): Remove.
27487         (tree-vect-transform.o): Likewise.
27488         (tree-vect-data-refs.o): Add rule.
27489         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
27490         tree-vect-slp.o): Likewise.
27491         (tree-vect-patterns.o): Remove redundant dependencies.
27492         (tree-vectorizer.o): Likewise.
27493         * tree-vect-slp.c: New file.
27494
27495 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27496
27497         * optc-gen.awk: Warn if an option flag has multiple different
27498         help strings.
27499
27500 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
27501
27502         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
27503         -floop-block): Document dependences on PPL, CLooG and Graphite.
27504
27505 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
27506
27507         PR rtl-optimization/323
27508         * c-common.c (c_fully_fold, convert_and_check,
27509         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
27510         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
27511         * c-common.def (EXCESS_PRECISION_EXPR): New.
27512         * c-cppbuiltin.c (builtin_define_float_constants): Define
27513         constants with enough digits for long double.
27514         * c-lex.c (interpret_float): Interpret constant with excess
27515         precision where appropriate.
27516         * c-opts.c (c_common_post_options): Set
27517         flag_excess_precision_cmdline.  Give an error for
27518         -fexcess-precision=standard for C++ for processors where the
27519         option is significant.
27520         * c-parser.c (c_parser_conditional_expression): Handle excess
27521         precision in condition.
27522         * c-typeck.c (convert_arguments): Handle arguments with excess
27523         precision.
27524         (build_unary_op): Move excess precision outside operation.
27525         (build_conditional_expr): Likewise.
27526         (build_compound_expr): Likewise.
27527         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
27528         (build_modify_expr): Handle excess precision in RHS.
27529         (convert_for_assignment): Handle excess precision in converted
27530         value.
27531         (digest_init, output_init_element, process_init_element): Handle
27532         excess precision in initializer.
27533         (c_finish_return): Handle excess precision in return value.
27534         (build_binary_op): Handle excess precision in operands and add
27535         excess precision as needed for operation.
27536         * common.opt (-fexcess-precision=): New option.
27537         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
27538         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
27539         For standard excess precision, output explicit conversion to and
27540         truncation from XFmode.
27541         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
27542         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
27543         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
27544         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
27545         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
27546         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
27547         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
27548         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
27549         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
27550         define_splits, sqrt<mode>2): Disable where appropriate for
27551         standard excess precision.
27552         * convert.c (convert_to_real): Do not shorten arithmetic to type
27553         for which excess precision would be used.
27554         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
27555         * doc/invoke.texi (-fexcess-precision=): Document option.
27556         (-mfpmath=): Correct index entry.
27557         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
27558         flag_excess_precision): New.
27559         * langhooks.c (lhd_post_options): Set
27560         flag_excess_precision_cmdline.
27561         * opts.c (common_handle_option): Handle -fexcess-precision=.
27562         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
27563         init_excess_precision): New.
27564         (lang_dependent_init_target): Call init_excess_precision.
27565         * tree.c (excess_precision_type): New.
27566         * tree.h (excess_precision_type): Declare.
27567
27568 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
27569
27570         PR c/35235
27571         * c-typeck.c (build_component_ref): Do not copy qualifiers from
27572         non-lvalue to component.
27573
27574 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
27575
27576         PR preprocessor/34695
27577         * Makefile.in (c-opts.o): Depend on c-tree.h.
27578         * c-common.c: Move down include of diagnostic.h.
27579         (done_lexing, c_cpp_error): New.
27580         * c-common.h (done_lexing): Declare.
27581         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
27582         (parse_in).
27583         * c-opts.c: Include c-tree.h.
27584         (c_common_init_options): Set preprocessor error callback.
27585         (c_common_handle_option): Do not set preprocessor
27586         inhibit_warnings, warnings_are_errors, warn_system_headers,
27587         pedantic_errors or inhibit_warnings flags.
27588         (c_common_post_options): Do not check cpp_errors (parse_in).
27589         (c_common_finish): Do not output dependencies if there were
27590         errors.  Do not check return value of cpp_finish.
27591         * c-ppoutput.c (pp_file_change): Set input_location.
27592         * c-tree.h (c_cpp_error): Declare.
27593         * diagnostic.c (diagnostic_set_info_translated): Also initialize
27594         override_column.
27595         (diagnostic_build_prefix): Check override_column.
27596         * diagnostic.h (diagnostic_info): Add override_column field.
27597         (diagnostic_override_column): Define.
27598
27599 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
27600
27601         * c-common.c (c_expand_expr, c_staticp): Remove.
27602         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
27603         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
27604         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
27605         * c-gimplify.c (gimplify_compound_literal_expr,
27606         optimize_compound_literals_in_ctor): Remove.
27607         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
27608         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
27609         * c-semantics.c (emit_local_var): Remove.
27610
27611         * langhooks-def.h (lhd_expand_expr): Remove.
27612         * langhooks.c (lhd_expand_expr): Remove.
27613         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
27614
27615         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
27616         handling from c-semantics.c; don't call into langhook.
27617         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
27618         * gimplify.c (gimplify_compound_literal_expr,
27619         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
27620         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
27621         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
27622         as was done in c-gimplify.c.
27623         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
27624         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
27625         Move from c-common.h.
27626         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
27627
27628         * tree.c (staticp): Do not call langhook.
27629         * langhooks.c (lhd_staticp): Delete.
27630         * langhooks-def.h (lhd_staticp): Delete prototype.
27631         (LANG_HOOKS_STATICP): Delete.
27632         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
27633
27634         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
27635         instead of DECL_STMTs.
27636
27637 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
27638
27639         PR c/456
27640         PR c/5675
27641         PR c/19976
27642         PR c/29116
27643         PR c/31871
27644         PR c/35198
27645         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
27646         void_type_node.
27647         (fold_call_expr): Return a NOP_EXPR from folding rather than the
27648         contained expression.
27649         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
27650         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
27651         conditional expressions for C.
27652         (decl_constant_value_for_optimization): Move from
27653         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
27654         whether optimizing and that the expression is a VAR_DECL not of
27655         array type instead of doing such checks in the caller.  Do not
27656         check pedantic.  Call gcc_unreachable for C++.
27657         * c-common.def (C_MAYBE_CONST_EXPR): New.
27658         * c-common.h (c_fully_fold, c_save_expr,
27659         decl_constant_value_for_optimization): New prototypes.
27660         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
27661         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
27662         EXPR_INT_CONST_OPERANDS): Define.
27663         * c-convert.c (convert): Strip nops from expression.
27664         * c-decl.c (groktypename): Take extra parameters expr and
27665         expr_const_operands.  Update call to grokdeclarator.
27666         (start_decl): Update call to grokdeclarator.  Add statement for
27667         expressions used in type of decl.
27668         (grokparm): Update call to grokdeclarator.
27669         (push_parm_decl): Update call to grokdeclarator.
27670         (build_compound_literal): Add parameter non_const and build a
27671         C_MAYBE_COSNT_EXPR if applicable.
27672         (grokdeclarator): Take extra parameters expr and
27673         expr_const_operands.  Track expressions used in declaration
27674         specifiers and declarators.  Fold array sizes and track whether
27675         they are constant expressions and whether they are integer
27676         constant expressions.
27677         (parser_xref_tag): Set expr and expr_const_operands fields in
27678         return value.
27679         (grokfield): Update call to grokdeclarator.
27680         (start_function): Update call to grokdeclarator.
27681         (build_null_declspecs): Set expr and expr_const_operands fields in
27682         return value.
27683         (declspecs_add_type): Handle expressions in typeof specifiers.
27684         * c-parser.c (c_parser_declspecs): Set expr and
27685         expr_const_operands fields for declaration specifiers.
27686         (c_parser_enum_specifier): Likewise.
27687         (c_parser_struct_or_union_specifier): Likewise.
27688         (c_parser_typeof_specifier): Likewise.  Update call to
27689         groktypename.  Fold expression as needed.  Return expressions with
27690         type instead of adding statements.
27691         (c_parser_attributes): Update calls to c_parser_expr_list.
27692         (c_parser_statement_after_labels): Fold expression before passing
27693         to objc_build_throw_stmt.
27694         (c_parser_condition): Fold expression.
27695         (c_parser_asm_operands): Fold expression.
27696         (c_parser_conditional_expression): Use c_save_expr.  Update call
27697         to build_conditional_expr.
27698         (c_parser_alignof_expression): Update call to groktypename.
27699         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
27700         original_code.  Fold expression argument of va_arg.  Create
27701         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
27702         argument to va_arg.  Update calls to groktypename.  Fold array
27703         index for offsetof.  Verify that first argument to
27704         __builtin_choose_expr has integer type.
27705         (c_parser_postfix_expression_after_paren_type): Update calls to
27706         groktypename and build_compound_literal.  Handle expressions with
27707         side effects in type name.
27708         (c_parser_postfix_expression_after_primary): Update call to
27709         c_parser_expr_list.  Set original_code for calls to
27710         __builtin_constant_p.
27711         (c_parser_expr_list): Take extra parameter fold_p.  Fold
27712         expressions if requested.
27713         (c_parser_objc_type_name): Update call to groktypename.
27714         (c_parser_objc_synchronized_statement): Fold expression.
27715         (c_parser_objc_receiver): Fold expression.
27716         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
27717         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
27718         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
27719         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
27720         (struct c_typespec): Add elements expr and expr_const_operands.
27721         (struct c_declspecs): Add elements expr and expr_const_operands.
27722         (groktypename, build_conditional_expr, build_compound_literal):
27723         Update prototypes.
27724         (in_late_binary_op): Declare.
27725         * c-typeck.c (note_integer_operands): New function.
27726         (in_late_binary_op): New variable.
27727         (decl_constant_value_for_broken_optimization): Move to c-common.c
27728         and rename to decl_constant_value_for_optimization.
27729         (default_function_array_conversion): Do not strip nops.
27730         (default_conversion): Do not call
27731         decl_constant_value_for_broken_optimization.
27732         (build_array_ref): Do not fold result.
27733         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
27734         result when operand is a VLA.
27735         (c_expr_sizeof_type): Update call to groktypename.  Handle
27736         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
27737         result when operand names a VLA type.
27738         (build_function_call): Update call to build_compound_literal.
27739         Only fold result for calls to __builtin_* functions.  Strip
27740         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
27741         the function designator.
27742         (convert_arguments): Fold arguments.  Update call to
27743         convert_for_assignment.
27744         (build_unary_op): Handle increment and decrement of
27745         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
27746         decrement earlier.  Fold operand of increment and decrement.
27747         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
27748         built for integer operand.  Wrap returns that are INTEGER_CSTs
27749         without being integer constant expressions or that have integer
27750         constant operands without being INTEGER_CSTs.
27751         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
27752         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
27753         result is an integer constant expression or can be used in
27754         unevaluated parts of one and avoid folding and wrap as
27755         appropriate.  Fold operands before possibly doing -Wsign-compare
27756         warnings.
27757         (build_compound_expr): Wrap result for C99 if operands can be used
27758         in integer constant expressions.
27759         (build_c_cast): Update call to digest_init.  Do not ignore
27760         overflow from casting floating-point constants to integers.  Wrap
27761         results that could be confused with integer constant expressions,
27762         null pointer constants or floating-point constants.
27763         (c_cast_expr): Update call to groktypename.  Handle expressions
27764         included in type name.
27765         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
27766         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
27767         Update calls to convert_for_assignment.
27768         (convert_for_assignment): Take new parameter
27769         null_pointer_constant.  Do not strip nops or call
27770         decl_constant_value_for_broken_optimization.  Set
27771         in_late_binary_op for conversions to boolean.
27772         (store_init_value): Update call to digest_init.
27773         (digest_init): Take new parameter null_pointer_constant.  Do not
27774         call decl_constant_value_for_broken_optimization.  pedwarn for
27775         initializers not constant expressions.  Update calls to
27776         convert_for_assignment.
27777         (constructor_nonconst): New.
27778         (struct constructor_stack): Add nonconst element.
27779         (really_start_incremental_init, push_init_level, pop_init_level):
27780         Handle constructor_nonconst and nonconst element.
27781         (set_init_index): Call constant_expression_warning for array
27782         designators.
27783         (output_init_element): Fold value.  Set constructor_nonconst as
27784         applicable.  pedwarn for initializers not constant expressions.
27785         Update call to digest_init.  Call constant_expression_warning
27786         where constant initializers are required.
27787         (process_init_element): Use c_save_expr.
27788         (c_finish_goto_ptr): Fold expression.
27789         (c_finish_return): Fold return value.  Update call to
27790         convert_for_assignment.
27791         (c_start_case): Fold switch expression.
27792         (c_process_expr_stmt): Fold expression.
27793         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
27794         ensure statement expression is not evaluated in constant expression.
27795         (build_binary_op): Track whether results are integer constant
27796         expressions or may occur in such, disable folding and wrap results
27797         as applicable.  Fold operands for -Wsign-compare warnings unless
27798         in_late_binary_op.
27799         (c_objc_common_truthvalue_conversion): Handle results folded to
27800         integer constants that are not integer constant expressions.
27801         * doc/extend.texi: Document when typeof operands are evaluated,
27802         that condition of __builtin_choose_expr is an integer constant
27803         expression, and more about use of __builtin_constant_p in
27804         initializers.
27805
27806 2009-03-29  Richard Guenther  <rguenther@suse.de>
27807
27808         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
27809         propagate addresses of array references.
27810
27811 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
27812
27813         * regmove.c (perhaps_ends_bb_p): Remove.
27814         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
27815         from INSN and check that the main loop stays within that basic block.
27816         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
27817         (regmove_forward_pass): Split out from regmove_optimize.  Use
27818         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
27819         (regmove_backward_pass): Split out from regmove_optimize.  Use
27820         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
27821         (regmove_optimize): Simplify.
27822
27823 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
27824
27825         PR target/39545
27826         * config/i386/i386.c (classify_argument): Ignore flexible array
27827         member in struct and warn ABI change.
27828
27829 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
27830
27831         * config/i386/i386-protos.h (ix86_agi_dependent): New.
27832
27833         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
27834         (ix86_adjust_cost): Updated.
27835
27836 2009-03-29  Jan Hubicka  <jh@suse.cz>
27837
27838         PR middle-end/28850
27839         * tree-pass.h (pass_cleanup_eh): New function.
27840         (remove_unreachable_regions): Break code handling RTL
27841         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
27842         that can not be reached by runtime.
27843         (can_be_reached_by_runtime): New function.
27844         (label_to_region_map): New function.
27845         (num_eh_regions): New function.
27846         (rtl_remove_unreachable_regions): New function.
27847         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
27848         (remove_eh_region): New function.
27849         * except.h: Include sbitmap and vecprim.
27850         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
27851         num_eh_regions): Declare.
27852         * passes.c (init_optimization_passes): Schedule cleanup_eh.
27853         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
27854         * tree-eh.c (tree_remove_unreachable_handlers): New function.
27855         (tree_empty_eh_handler_p): New function.
27856         (cleanup_empty_eh): New function.
27857         (cleanup_eh): New function.
27858         (pass_cleanup_eh): New function.
27859
27860 2009-03-29  Jan Hubicka  <jh@suse.cz>
27861
27862         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
27863         for removed regions.
27864
27865 2009-03-29  Jan Hubicka  <jh@suse.cz>
27866
27867         * except.c (dump_eh_tree): Dump all datastructures.
27868
27869 2009-03-29  Jan Hubicka  <jh@suse.cz>
27870
27871         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
27872         (duplicate_eh_regions_1): Likewise.
27873         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
27874         vector; call EH verification.
27875         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
27876         Be ready for region being removed.
27877
27878 2009-03-29  Jan Hubicka  <jh@suse.cz>
27879
27880         * bitmap.c (bitmap_last_set_bit): New function.
27881         * bitmap.h (bitmap_last_set_bit): Declare.
27882
27883 2009-03-29  David Ayers  <ayers@fsfe.org>
27884
27885         PR objc/27377
27886         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
27887         by calling objc_compare_types and surpress warnings about
27888         incompatible C pointers that are compatible ObjC pointers.
27889
27890 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
27891
27892         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
27893         call initialize_inline_failed.
27894         (initialize_inline_failed): Move it from here ...
27895         * cgraph.c (initialize_inline_failed): ... to here.
27896         (cgraph_create_edge): Call initialize_inline_failed rather than
27897         setting inline_failed directly.
27898
27899 2009-03-29  Ben Elliston  <bje@au.ibm.com>
27900
27901         PR target/32542
27902         * sysv4.opt (msdata): Improve comment.
27903         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
27904         * sysv4.h (SVR4_ASM_SPEC): Likewise.
27905
27906 2009-03-29  Ben Elliston  <bje@au.ibm.com>
27907
27908         PR target/30451
27909         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
27910         load and store attributes.
27911
27912 2009-03-29  Ben Elliston  <bje@au.ibm.com>
27913
27914         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
27915         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
27916         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
27917         * doc/extend.texi (X86 Built-in Functions): Add index entries for
27918         __builtin_infq and __builtin_huge_valq.
27919
27920 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
27921
27922         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
27923         atmega8m1 devices.
27924         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
27925         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
27926
27927 2009-03-28  Xinliang David Li  <davidxl@google.com>
27928
27929         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
27930         (do_dbg_cnt): New function.
27931
27932 2009-03-28  Jan Hubicka  <jh@suse.cz>
27933
27934         Merge from pretty-ipa:
27935
27936         2009-03-27  Jan Hubicka  <jh@suse.cz>
27937
27938         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
27939         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
27940         * passes.c (function_called_by_processed_nodes_p): New.
27941         * ipa-pure-const.c (check_call): Fix handling of operands.
27942         (analyze_function): Dump debug output for skipped bodies.
27943         (local_pure_const): Use function_called_by_processed_nodes_p.
27944         * dwarf2out.c (reference_to_unused): Use output.
27945         * passes.c (do_per_function_toporder): Likewise.
27946
27947         2008-11-12  Jan Hubicka  <jh@suse.cz>
27948
27949         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
27950         * ipa-pure-const.c (funct_state_d): Add can throw field; make
27951         state_set_in_source enum
27952         (check_decl): Ignore memory tags; do not set fake looping flags;
27953         dump diagnostics.
27954         (check_operand, check_tree, check_rhs_var, check_lhs_var,
27955         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
27956         (check_call, analyze_function): Rewrite.
27957         (check_stmt): New.
27958         (add_new_function): Update call of analyze_function.
27959         (generate_summary): Add call of analyze_function.
27960         (propagate): Propagate can_throw; handle state_set_in_source correctly.
27961         (local_pure_const): New function.
27962         (pass_local_pure_const): New pass.
27963         * ipa-inline.c (inline_transform): Set after_inlining.
27964         * tree-eh.c (stmt_can_throw_external): New.
27965         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
27966         work with aliasing built.
27967         * tree-flow.h (stmt_can_throw_external): New.
27968         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
27969         and local pure/const pass in early and late optimization queue.
27970
27971 2009-03-28  Martin Jambor  <mjambor@suse.cz>
27972
27973         * fold-const.c (get_pointer_modulus_and_residue): New parameter
27974         allow_func_align.
27975         (fold_binary): Allow function decl aligment consideration is the
27976         second argument is integer constant one.
27977         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
27978         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
27979         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
27980
27981 2009-03-28  Jan Hubicka  <jh@suse.cz>
27982
27983         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
27984         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
27985         * function.h (rtl_data): Add nothrow flag.
27986         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
27987         set DECL_NOTHROW for AVAILABLE functions.
27988
27989 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
27990
27991         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
27992         following vector keyword has expansion starting with pixel or bool
27993         keyword, expand vector to __vector and pixel or bool to __pixel or
27994         __bool.
27995
27996         PR c++/39554
27997         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
27998         warn_if_disallowed_function_p): Removed.
27999         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
28000         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
28001         warning_if_disallowed_function_p.
28002         * flags.h (warn_if_disallowed_function_p,
28003         warn_disallowed_functions): Removed.
28004         * common.opt (Wdisallowed-function-list=): Removed.
28005         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
28006
28007 2009-03-28  Richard Guenther  <rguenther@suse.de>
28008
28009         PR tree-optimization/38723
28010         * tree-ssa-pre.c (compute_avail): Add all default definitions to
28011         the entry block.
28012
28013 2009-03-28  Jan Hubicka  <jh@suse.cz>
28014
28015         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
28016         test introduced by my previous patch.
28017
28018 2009-03-28  Richard Guenther  <rguenther@suse.de>
28019
28020         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
28021         the PHIs value undefined.
28022
28023 2009-03-28  Jan Hubicka  <jh@suse.cz>
28024
28025         * tree-pass.h (pass_fixup_cfg): New pass.
28026         * ipa-inline.c (inline_transform): Set
28027         always_inline_functions_inlined/after_inlining.
28028         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
28029         (pass_fixup_cfg): New pass.
28030         * passes.c (init_optimization_passes): Add fixup_cfg.
28031
28032 2009-03-28  Richard Guenther  <rguenther@suse.de>
28033
28034         PR tree-optimization/38458
28035         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
28036         argument use the arguments copy-of value.
28037
28038 2009-03-28  Richard Guenther  <rguenther@suse.de>
28039
28040         PR tree-optimization/38180
28041         * tree-ssa-ccp.c (get_default_value): Simplify.
28042         (likely_value): Likewise.
28043         (surely_varying_stmt_p): Properly handle VOP case.
28044         (ccp_initialize): Likewise.
28045         (ccp_fold): Handle propagating through *&.
28046         (fold_const_aggregate_ref): Also handle decls.
28047
28048 2009-03-28  Jan Hubicka  <jh@suse.cz>
28049
28050         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
28051         * cgraph.h (cgraph_node): Likewise.
28052         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
28053         (cgraph_reset_node): Use process flag.
28054         (cgraph_mark_functions_to_output): Likewise.
28055         (cgraph_expand_function): Likewise.
28056         (cgraph_expand_all_functions): Likewise.
28057         (cgraph_output_in_order): Likewise.
28058         * dwarf2out.c (reference_to_unused): Likewise.
28059         * passes.c do_per_function_toporder): Likewise.
28060
28061 2009-03-28  Jan Hubicka  <jh@suse.cz>
28062
28063         Bring from lto-branch:
28064
28065         2008-09-03  Doug Kwan  <dougkwan@google.com>
28066
28067         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
28068         enums instead of reason strings.
28069         * cgraph.c (cgraph_create_edge): Same.
28070         (cgraph_inline_failed_string): New function.
28071         * cgraph.h (cgraph_inline_failed_t): New enum type.
28072         (cgraph_inline_failed_string): New prototype.
28073         (struct cgraph_edge): Change type of INLINED_FAILED from constant
28074         char pointer to cgraph_inline_failed_t.
28075         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
28076         (cgraph_default_inline_p): Ditto.
28077         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
28078         to cgraph_inline_failed_t pointer.
28079         * cif-code.def: New file.
28080         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
28081         reason string.
28082         (cgraph_check_inline_limits): Change type of REASON to pointer to
28083         cgraph_inline_failed_t.  Replace reason strings with enums.
28084         (cgraph_default_inline_p): Ditto.
28085         (cgraph_recursive_inlining_p): Ditto.
28086         (update_caller_keys): Change type of FAILED_REASON to
28087         cgraph_inline_failed_t.
28088         (cgraph_set_inline_failed): Change type of REASON to pointer to
28089         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
28090         convert enums to strings for text output.
28091         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
28092         to be of type cgraph_inline_failed_t.  Replace reason strings with
28093         enums.  Call cgraph_inline_failed_string to covert enums
28094         to strings for text output.
28095         (cgraph_decide_inlining): Replace reason strings with enums.
28096         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
28097         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
28098         for text output.
28099         * tree-inline.c (expand_call_inline): Change type of REASON
28100         to cgraph_inline_failed_t.  Replace reason strings with enums.
28101         Call cgraph_inline_failed_string for text output.
28102         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
28103         (cgraph.o): Ditto.
28104
28105 2009-03-28  Jan Hubicka  <jh@suse.cz>
28106
28107         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
28108         cgraph_clone_node): Remove master clone handling.
28109         (cgraph_is_master_clone, cgraph_master_clone): Remove.
28110         * cgraph.h (master_clone): Remove.
28111         (cgraph_is_master_clone, cgraph_master_clone): Remove.
28112         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
28113         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
28114
28115 2009-03-28  Jan Hubicka  <jh@suse.cz>
28116
28117         * cgraph.c (cgraph_function_body_availability): Functions declared
28118         inline are always safe to assume that it is not going to be replaced.
28119
28120 2009-03-28  Richard Guenther  <rguenther@suse.de>
28121
28122         PR tree-optimization/38513
28123         * tree-ssa-pre.c (eliminate): Remove redundant stores.
28124         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
28125         EXC_PTR_EXPR and FILTER_EXPR.
28126         (get_ref_from_reference_ops): Likewise.
28127
28128 2009-03-28  Richard Guenther  <rguenther@suse.de>
28129
28130         PR tree-optimization/38968
28131         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
28132         Use FLOOR_MOD_EXPR to compute misalignment.
28133
28134 2009-03-28  Richard Guenther  <rguenther@suse.de>
28135
28136         PR tree-optimization/37795
28137         * tree.h (combine_comparisons): Declare.
28138         * fold-const.c (combine_comparisons): Export.
28139         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
28140         comparisons.
28141         (ifcombine_iforif): Use combine_comparisons.
28142
28143 2009-03-28  Jan Hubicka  <jh@suse.cz>
28144
28145         * tree-eh.c (inlinable_call_p): New function.
28146         (make_eh_edges): Use it.
28147         (verify_eh_edges): Use it.
28148         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
28149         * except.c (reachable_next_level): Add inlinable_function argument
28150         (sjlj_find_directly_reachable_regions): Update.
28151         (add_reachable_handler): Do not set saw_any_handlers.
28152         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
28153         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
28154         Add new inlinable call parameter.
28155         (can_throw_internal, can_throw_external): Update.
28156         * except.h (can_throw_internal_1, can_throw_external_1,
28157         foreach_reachable_handler): Update declaration.
28158
28159 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
28160
28161         * config/arm/t-arm-coff, config/h8300/coff.h,
28162         config/i386/i386-aout.h, config/i386/i386-coff.h,
28163         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
28164         config/pdp11/2bsd.h, config/rs6000/aix41.h,
28165         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
28166         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
28167         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
28168         sys-types.h: Remove.
28169         * Makefile.in: Remove protoize and fixproto support and references
28170         in comments.
28171         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
28172         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
28173         Remove.
28174         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
28175         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
28176         unprotoize$(exeext).
28177         (rest.encap): Don't depend on $(STMP_FIXPROTO)
28178         (.PHONY): Don't depend on proto.
28179         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
28180         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
28181         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
28182         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
28183         build/gen-protos.o, build/scan.o, xsys-protos.h,
28184         build/fix-header$(build_exeext), build/fix-header.o,
28185         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
28186         stmp-install-fixproto): Remove.
28187         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
28188         SYSCALLS.c or fixproto files.
28189         (install-common): Don't install protoize.
28190         (install-headers-tar, install-headers-cpio, install-headers-cp):
28191         Don't depend on $(STMP_FIXPROTO).
28192         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
28193         install fixproto files or write out fixproto settings.
28194         (uninstall): Don't uninstall protoize.
28195         * config.gcc (use_fixproto): Remove.
28196         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
28197         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
28198         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
28199         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
28200         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
28201         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
28202         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
28203         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
28204         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
28205         * config/t-vxworks (STMP_FIXPROTO): Remove.
28206         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
28207         STMP_FIXPROTO): Remove.
28208         * config.in, configure: Regenerate.
28209         * crtstuff.c (gid_t, uid_t): Don't undefine.
28210         * doc/install.texi: Change m68k-coff to m68k-elf in example.
28211         (arm-*-coff, arm-*-aout: Remove target entries.
28212         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
28213         Remove mention of AIX 4.1.
28214         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
28215         * doc/invoke.texi (Running Protoize): Remove.
28216         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
28217         (Protoize Caveats): Remove.
28218         * tsystem.h: Update comments on headers assumed to exist.
28219
28220 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
28221
28222         * genautomata.c: Add a new year to the copyright.  Add a new
28223         reference.
28224         (struct insn_reserv_decl): Add comments for member bypass_list.
28225         (find_bypass): Remove.
28226         (insert_bypass): New.
28227         (process_decls): Use insert_bypass.
28228         (output_internal_insn_latency_func): Output all bypasses with the
28229         same input insn in one switch case.
28230
28231         * rtl.def (define_bypass): Describe bypass choice.
28232         * doc/md.texi (define_bypass): Ditto.
28233
28234 2009-03-27  Richard Guenther  <rguenther@suse.de>
28235
28236         * gimplify.c (mark_addressable): Export.
28237         * tree-flow.h (mark_addressable): Declare.
28238         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
28239         * tree-ssa.c (verify_phi_args): Verify that address taken
28240         variables have TREE_ADDRESSABLE set.
28241
28242 2009-03-27  Richard Guenther  <rguenther@suse.de>
28243
28244         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
28245         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
28246         Do not mark decls TREE_ADDRESSABLE.
28247         (build_fold_addr_expr): Adjust.
28248         (fold_addr_expr): Remove.
28249         (fold_unary): Use build_fold_addr_expr.
28250         (fold_comparison): Likewise.
28251         (split_address_to_core_and_offset): Likewise.
28252         * coverage.c (tree_coverage_counter_addr): Mark the array decl
28253         TREE_ADDRESSABLE.
28254         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
28255         (gimplify_modify_expr_to_memcpy): Mark source and destination
28256         addressable.
28257         * omp-low.c (create_omp_child_function): Mark the object decl
28258         TREE_ADDRESSABLE.
28259         (lower_rec_input_clauses): Mark the var we take the address of
28260         TREE_ADDRESSABLE.
28261         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
28262
28263 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28264
28265         PR middle-end/39315
28266         * cfgexpand.c (expand_one_stack_var_at): Change alignment
28267         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
28268
28269 2009-03-27  Richard Guenther  <rguenther@suse.de>
28270
28271         PR tree-optimization/39120
28272         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
28273         constraints.
28274         (handle_lhs_call): Process return constraints.  Add escape
28275         constraints if necessary.
28276         (handle_const_call): Fill out return constraints.  Make nested
28277         case more precise.  Avoid consttmp if possible.
28278         (handle_pure_call): Fill out return constraints.  Avoid
28279         callused if possible.
28280         (find_func_aliases): Simplify call handling.
28281
28282 2009-03-27  Richard Guenther  <rguenther@suse.de>
28283
28284         PR tree-optimization/39120
28285         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
28286         as a representative.
28287         (solve_graph): Do propagate CALLUSED.
28288         (handle_pure_call): Use a scalar constraint from CALLUSED for
28289         the return value.
28290         (find_what_p_points_to): CALLUSED shall not appear in poins-to
28291         solutions.
28292
28293 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28294
28295         PR c/39323
28296         * c-common.c (handle_aligned_attribute): Properly check alignment
28297         overflow.  Use (1U << i) instead of (1 << i).
28298
28299         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
28300
28301         * expr.h (get_mem_align_offset): Updated.
28302
28303         * tree.h (tree_decl_common): Change align to "unsigned int" and
28304         move it before pointer_alias_set.
28305
28306 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28307             Jakub Jelinek  <jakub@redhat.com>
28308
28309         PR target/38034
28310         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
28311         gr_register_operand with gr_reg_or_0_operand.
28312         (cmpxchg_rel_di): Likewise.
28313         (sync_lock_test_and_set<mode>): Likewise.
28314
28315 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28316
28317         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
28318         (true_regnum): Likewise.
28319
28320         * rtlanal.c (subreg_info): Moved to ...
28321         * rtl.h (subreg_info): Here.  New.
28322         (subreg_get_info): New.
28323
28324         * rtlanal.c (subreg_get_info): Make it extern.
28325
28326 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28327
28328         PR target/39472
28329         * config/i386/i386.c (ix86_abi): New.
28330         (override_options): Handle -mabi=.
28331         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
28332         (ix86_call_abi_override): Likewise.
28333         (init_cumulative_args): Likewise.
28334         (function_arg_advance): Likewise.
28335         (function_arg_64): Likewise.
28336         (function_arg): Likewise.
28337         (ix86_pass_by_reference): Likewise.
28338         (ix86_function_value_regno_p): Likewise.
28339         (ix86_build_builtin_va_list_abi): Likewise.
28340         (setup_incoming_varargs_64): Likewise.
28341         (is_va_list_char_pointer): Likewise.
28342         (ix86_init_machine_status): Likewise.
28343         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
28344         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
28345         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
28346         (ix86_function_abi): Make it static and return enum calling_abi.
28347         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
28348         with ix86_abi.
28349         (ix86_fn_abi_va_list): Updated.
28350
28351         * config/i386/i386.h (ix86_abi): New.
28352         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
28353         (CONDITIONAL_REGISTER_USAGE): Likewise.
28354         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
28355         (machine_function): Likewise.
28356
28357         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
28358         with ix86_abi.
28359         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
28360         (STACK_BOUNDARY): Likewise.
28361         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
28362
28363         * config/i386/i386.opt (mabi=): New.
28364
28365         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
28366         return enum calling_abi.
28367         (ix86_function_type_abi): Likewise.
28368         (ix86_function_abi): Removed.
28369
28370         * doc/invoke.texi: Document -mabi= option for x86.
28371
28372 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
28373
28374         * builtins.c (real_dconstp): Delete.
28375         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
28376
28377 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
28378             Jakub Jelinek  <jakub@redhat.com>
28379
28380         PR debug/37959
28381         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
28382         (gen_subprogram_die): When a function is explicit, generate the
28383         DW_AT_explicit attribute.
28384         * langhooks.h (struct lang_hooks_for_decls): Add
28385         function_decl_explicit_p langhook.
28386         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
28387         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
28388
28389 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
28390
28391         * builtins.c (fold_builtin_memory_op): Optimize memmove
28392         into memcpy if we can prove source and destination don't overlap.
28393
28394         * tree-inline.c: Include gt-tree-inline.h.
28395         (clone_fn_id_num): New variable.
28396         (clone_function_name): New function.
28397         (tree_function_versioning): Use it.
28398         * Makefile.in (GTFILES): Add tree-inline.c.
28399
28400 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
28401
28402         * BASE-VER: Change to 4.5.0.
28403
28404 2009-03-27  Xinliang David Li  <davidxl@google.com>
28405
28406         PR tree-optimization/39557
28407         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
28408
28409 2009-03-27  Xinliang David Li  <davidxl@google.com>
28410
28411         PR tree-optimization/39548
28412         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
28413         candidate check.
28414
28415 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28416
28417         * c-common.c (pointer_int_sum): Use %wd on return from
28418         tree_low_cst.
28419
28420 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
28421
28422         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
28423         on return from tree_low_cst.
28424
28425 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28426
28427         PR c++/36799
28428         * ginclude/stdarg.h (va_copy): Define also for
28429         __GXX_EXPERIMENTAL_CXX0X__.
28430
28431 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28432
28433         PR c++/35652
28434         * builtins.h (c_strlen): Do not warn here.
28435         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
28436         * c-common.c (pointer_int_sum): Take an explicit location.
28437         Warn about offsets out of bounds.
28438         * c-common.h (pointer_int_sum): Adjust declaration.
28439
28440 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28441
28442         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
28443         markup glitch.
28444
28445 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
28446
28447         PR c++/39554
28448         * opts.c (warn_if_disallowed_function_p): Don't assume
28449         get_callee_fndecl must return non-NULL.
28450
28451 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
28452
28453         PR rtl-optimization/39522
28454         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
28455         when reg_reloaded_valid is set.
28456
28457 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
28458
28459         * config/spu/divv2df3.c: New file.
28460         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
28461         (DPBIT_FUNCS): Filter out _div_df.
28462
28463 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
28464
28465         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
28466         a jump insn, count that jump in the distance to the loop start.
28467
28468 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
28469
28470         PR target/39523
28471         * config/sh/sh.c (calc_live_regs): Fix condition for global
28472         registers except PIC_OFFSET_TABLE_REGNUM.
28473
28474 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
28475
28476         PR/39518
28477         * doc/invoke.texi (-mconsole): New.
28478         (-mcygwin): New.
28479         (-mno-cygwin): New.
28480         (-mdll): New.
28481         (-mnop-fun-dllimport): New.
28482         (-mthread): New.
28483         (-mwin32): New.
28484         (-mwindows): New.
28485         (sub section "i386 and x86-64 Windows Options"): New.
28486
28487 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
28488
28489         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
28490         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
28491
28492 2009-03-25  Richard Guenther  <rguenther@suse.de>
28493
28494         PR middle-end/39497
28495         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
28496         of -Wno-error.
28497
28498 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
28499
28500         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
28501         neither of haifa/selective schedulers are working.
28502
28503 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28504
28505         * doc/invoke.texi (Debugging Options): Fix description of
28506         -fno-merge-debug-strings.
28507
28508 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
28509
28510         * config/cris/libgcc.ver: New version-script.
28511         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
28512
28513         * configure.ac <GAS features, nop mnemonic>: Add pattern
28514         crisv32-*-* for "nop".
28515         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
28516         * configure: Regenerate.
28517
28518 2009-03-24  Ira Rosen  <irar@il.ibm.com>
28519
28520         PR tree-optimization/39529
28521         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
28522         mark_sym_for_renaming for the tag copied to the new vector
28523         pointer.
28524
28525 2009-03-24  Arthur Loiret  <aloiret@debian.org>
28526
28527         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
28528         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
28529         EXTRA_SPEC_FUNCTIONS.
28530         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
28531         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
28532         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
28533         -march and -mtune options.
28534
28535 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
28536
28537         * config/m68k/t-rtems: Add m5329 multilib.
28538
28539 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
28540             Jakub Jelinek  <jakub@redhat.com>
28541
28542         PR debug/39524
28543         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
28544         nodes.
28545
28546 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
28547
28548         PR c/39495
28549         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
28550         instead of c_parser_expression_conv, if original_code isn't one of the
28551         4 allowed comparison codes, fail.
28552
28553 2009-03-23  Richard Guenther  <rguenther@suse.de>
28554
28555         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
28556         * tree.h (struct tree_type): Likewise.
28557         * reload.h (struct insn_chain): Likewise.
28558         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
28559         * function.h (struct function): Likewise.
28560         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
28561
28562 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
28563
28564         PR tree-optimization/39516
28565         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
28566
28567 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
28568
28569         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
28570         should be set true if BITS_PER_WORD of target is bigger than 32
28571
28572 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
28573
28574         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
28575         Translate -B-options to -rpath-link.  Correct existing
28576         rpath-link and conditionalize on !nostdlib.
28577
28578 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28579
28580         * doc/extend.texi (Function Attributes, Variable Attributes):
28581         Fix typos.
28582         * doc/invoke.texi (Debugging Options, Optimize Options)
28583         (i386 and x86-64 Options, MCore Options): Likewise.
28584
28585 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
28586
28587         PR debug/37890
28588         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
28589         it for block local namespace aliases.
28590         (gen_decl_die): Pass context_die to gen_namespace_die.
28591
28592 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
28593
28594         PR c/39495
28595         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
28596         minimum or maximum value.
28597
28598 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
28599
28600         * reginfo.c (globalize_reg): Recompute derived reg sets.
28601
28602 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
28603
28604         PR target/39063
28605         * libgcc2.c (mprotect): Do not use signed arguments for
28606         VirtualProtect, use DWORD arguments.  Also fix the 'may
28607         be used uninitialized' warning for the np variable.
28608
28609 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
28610
28611         PR target/39496
28612         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
28613         functions using regparm calling conventions when not optimizing.
28614         (ix86_function_sseregparm): Similarly for sseregparm calling
28615         conventions.
28616
28617 2009-03-19  Li Feng  <nemokingdom@gmail.com>
28618
28619         PR middle-end/39500
28620         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
28621         dependence if the first conflict is after niter iterations.
28622
28623 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
28624
28625         PR middle-end/38609
28626         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
28627         functions with dynamic stack-pointer adjustments.
28628
28629 2009-03-19  Ben Elliston  <bje@au.ibm.com>
28630
28631         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
28632         option; change to -msdata=data.
28633
28634 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28635
28636         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
28637         and -fopenmp.
28638
28639 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
28640
28641         PR target/35180
28642         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
28643
28644 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
28645
28646         * doc/invoke.texi (Code Gen Options): Expand discussion of
28647         -fno-common.
28648
28649 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
28650
28651         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
28652         * matrix-reorg.c (struct matrix_info): Likewise.
28653         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
28654         * rtl.h (struct mem_attrs): Likewise.
28655         * df.h (struct df): Likewise.
28656         * tree-data-ref.h (struct data_dependence_relation): Likewise.
28657         * ira-int.h (struct ira_allocno): Likewise.
28658         * df-scan.c (struct df_collection_rec): Likewise.
28659         * ira.c (struct equivalence): Likewise.
28660         * function.c (struct temp_slot): Likewise.
28661         * cfgloop.h (struct loop): Likewise.
28662
28663         PR debug/39485
28664         * function.c (use_register_for_decl): When not optimizing, disregard
28665         register keyword for variables with types containing methods.
28666
28667 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
28668
28669         PR middle-end/39447
28670         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
28671         (is_simple_operand): Call contains_component_ref_p before calling data
28672         reference analysis that would fail on COMPONENT_REFs.
28673
28674         * tree-vrp.c (search_for_addr_array): Fix formatting.
28675
28676 2009-03-18  Richard Guenther  <rguenther@suse.de>
28677
28678         * tree-vect-transform.c (vect_loop_versioning): Fold the
28679         generated comparisons.
28680         * tree-vectorizer.c (set_prologue_iterations): Likewise.
28681         (slpeel_tree_peel_loop_to_edge): Likewise.
28682
28683 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28684
28685         PR middle-end/37805
28686         * opts.c (print_specific_help): In addition to `undocumented',
28687         accept `separate' and `joined' flags if passed alone.  Describe
28688         output by the first matched one of those.
28689         (common_handle_option): Skip over empty strings.
28690         * gcc.c (display_help): Fix help string for `--help='.
28691         * doc/invoke.texi (Option Summary, Overall Options): With
28692         `--help=', classes and qualifiers can both be repeated, but
28693         only the latter can be negated.  One should not pass only
28694         negated qualifiers.  Fix markup and examples.
28695
28696         Revert
28697         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
28698         PR middle-end/37805
28699         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
28700         and -fhelp=separate.
28701
28702 2009-03-17  Jing Yu  <jingyu@google.com>
28703
28704         PR middle-end/39378
28705         * function.h (struct rtl_data): Move is_thunk from here...
28706         (struct function): ...to here.
28707         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
28708         * varasm.c (assemble_start_function): Change is_thunk from crtl to
28709         cfun.
28710         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
28711         cfun.
28712         (alpha_does_function_need_gp, alpha_start_function): Likewise.
28713         (alpha_output_function_end_prologue): Likewise.
28714         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
28715         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
28716         (rs6000_output_function_epilogue): Likewise.
28717         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
28718
28719 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
28720
28721         PR target/39482
28722         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
28723         from different units in a single alternative.
28724         (*truncdfsf_i387): Ditto.
28725         (*truncxfsf2_mixed): Ditto.
28726         (*truncxfdf2_mixed): Ditto.
28727
28728 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
28729
28730         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
28731         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
28732
28733         PR debug/39474
28734         * tree-ssa-live.c (remove_unused_locals): Don't remove local
28735         unused non-artificial variables when not optimizing.
28736
28737         PR debug/39471
28738         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
28739         DW_TAG_imported_module even if decl is IMPORTED_DECL with
28740         NAMESPACE_DECL in its DECL_INITIAL.
28741
28742         PR middle-end/39443
28743         * optabs.c (set_user_assembler_libfunc): New function.
28744         * expr.h (set_user_assembler_libfunc): New prototype.
28745         * c-common.c: Include libfuncs.h.
28746         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
28747         for memcmp, memset, memcpy, memmove and abort.
28748         * Makefile.in (c-common.o): Depend on libfuncs.h.
28749
28750         PR debug/39412
28751         * dwarf2out.c (gen_inlined_enumeration_type_die,
28752         gen_inlined_structure_type_die, gen_inlined_union_type_die,
28753         gen_tagged_type_instantiation_die): Removed.
28754         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
28755         do nothing.
28756
28757 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
28758
28759         PR testsuite/38526
28760         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
28761         its use.
28762         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
28763         (check-parallel-%): Ditto.
28764         (check-consistency): Ditto.
28765
28766 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
28767
28768         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
28769         local variable rhs by NULL_TREE.
28770
28771 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
28772
28773         PR target/39477
28774         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
28775
28776 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
28777
28778         PR target/39476
28779         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
28780
28781 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
28782
28783         PR target/39473
28784         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
28785         for ms->sysv ABI calls only in 64bit mode.
28786
28787         * config/i386/i386.md (untyped_call): Support 32bit.
28788
28789 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
28790
28791         * doc/extend.texi: Replace x86_65 with x86_64.
28792
28793 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
28794
28795         PR tree-optimization/39455
28796         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
28797         mismatches for POINTER_TYPE_P (type).
28798         (number_of_iterations_le): Likewise.
28799
28800 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
28801
28802         * config/picochip/picochip.c: Removed profiling support.
28803         * config/picochip/picochip.md: Removed profiling instruction.
28804         * config/picochip/picochip.h: Removed profiling builtin.
28805
28806 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
28807
28808         * doc/install.texi (--with-host-libstdcxx): Document.
28809
28810 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
28811
28812         PR target/34299
28813         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
28814         generate a warning if the function name does not begin with
28815         "__vector" and the function has either the 'signal' or 'interrupt'
28816         attribute, from here to ...
28817         (avr_declare_function_name): ...here. New function.
28818         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
28819         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
28820
28821 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
28822
28823         PR bootstrap/39454
28824         * cse.c (fold_rtx): Don't modify original const_arg1 when
28825         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
28826         separate variable instead.
28827         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
28828         from out of range shift counts.
28829         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
28830
28831 2009-03-13  Catherine Moore  <clm@codesourcery.com>
28832
28833         * config/i386/x-mingw32 (host-mingw32.o): Replace
28834         diagnostic.h with $(DIAGNOSTIC_H).
28835
28836 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
28837
28838         PR target/39431
28839         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
28840         predicate.
28841         * config/i386/sync.md (sync_compare_and_swap<mode>,
28842         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
28843         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
28844         into a register.
28845         (sync_double_compare_and_swapdi_pic,
28846         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
28847         cmpxchg8b_pic_memory_operand instead of just memory_operand.
28848
28849 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
28850
28851         PR target/39445
28852         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
28853
28854 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
28855
28856         PR target/39327
28857         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
28858         (avx_addsubv4df3): Likewise.
28859         (*avx_addsubv4sf3): Likewise.
28860         (sse3_addsubv4sf3): Likewise.
28861
28862 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
28863
28864         PR target/38824
28865         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
28866
28867 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
28868
28869         PR debug/39432
28870         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
28871         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
28872         registers for allocnos created from user-defined variables.
28873
28874 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
28875
28876         PR target/39181
28877         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
28878         of non-integer mode as well.
28879
28880 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
28881
28882         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
28883         for functions for which the parameter types are unknown.
28884
28885 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
28886
28887         PR target/39137
28888         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
28889         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
28890         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
28891         * config/i386/i386.c (ix86_local_alignment): For
28892         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
28893         long long variables on the stack to avoid dynamic realignment.
28894         Allow the first argument to be a decl rather than type.
28895         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
28896
28897 2009-03-11  Nick Clifton  <nickc@redhat.com>
28898
28899         PR target/5362
28900         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
28901         options.
28902         Add description to mno-lsim option.
28903         * config/mcore/mcore.h: Remove comment about deprecated m4align
28904         option.
28905         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
28906         * doc/invoke.texi: Add description of mno-lsim and
28907         mstack-increment options.
28908
28909         * config/fr30/fr30.opt: Document the -mno-lsim option.
28910         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
28911         and -mno-lsim options.
28912
28913 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
28914
28915         * fold-const.c (fold_comparison): Only call fold_inf_compare
28916         if the mode supports infinities.
28917
28918 2009-03-11  Jason Merrill  <jason@redhat.com>
28919
28920         PR debug/39086
28921         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
28922         end already did.  Notice GIMPLE_CALL modifications of the result.
28923         Don't copy debug information from an ignored decl or a decl from
28924         another function.
28925
28926 2009-03-10  Richard Guenther  <rguenther@suse.de>
28927             Nathan Froyd  <froydnj@codesourcery.com>
28928
28929         PR middle-end/37850
28930         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
28931         (__divMODE3): Likewise.
28932
28933 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
28934
28935         PR tree-optimization/39394
28936         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
28937         DECL_SIZE_UNIT of variable length FIELD_DECLs.
28938
28939 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
28940
28941         * recog.c (verfiy_changes): Disallow renaming of hard regs in
28942         inline asms for register asm ("") declarations.
28943
28944 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
28945
28946         * fold-const.c (fold_unary): Fix comment.
28947
28948 2009-03-07  Jan Hubicka  <jh@suse.cz>
28949
28950         PR target/39361
28951         * tree-inline.c (setup_one_parameter): Do replacement of const
28952         argument by constant in SSA form.
28953
28954 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
28955
28956         PR middle-end/38028
28957         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
28958         determine alignment passed to assign_stack_local.
28959         (assign_parms_unsplit_complex): Likewise.
28960         * except.c (sjlj_build_landing_pads): Likewise.
28961
28962 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
28963
28964         PR middle-end/39360
28965         * tree-flow.h (add_referenced_var): Return bool instead of void.
28966         * tree-dfa.c (add_referenced_var): Return result of
28967         referenced_var_check_and_insert call.
28968         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
28969         of referenced_var_check_and_insert.
28970
28971         PR debug/39372
28972         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
28973         (gen_variable_die): Emit DW_AT_location on abstract static variable's
28974         DIE, don't emit it if abstract origin already has it.
28975         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
28976         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
28977
28978 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
28979
28980         * genpreds.c (needs_variable): Fix parentheses at variable name
28981         detection.
28982         (write_tm_constrs_h): Indent generated code.
28983
28984 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
28985
28986         * doc/extend.texi (Function Attributes): Add documentation
28987         for isr attributes.
28988
28989 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
28990
28991         PR debug/39387
28992         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
28993         take locus from its DECL_SOURCE_LOCATION instead of input_location.
28994
28995 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
28996
28997         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
28998         the loop as bad.
28999
29000 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
29001
29002         PR debug/39379
29003         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
29004         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
29005
29006 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
29007
29008         * config/i386/i386.md (R8_REG, R9_REG): New constants.
29009         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
29010         constants instead of magic numbers.
29011         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
29012         (QI_REG_P): Ditto.
29013         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
29014         (x86_64_ms_abi_int_parameter_registers): Ditto.
29015         (x86_64_int_return_registers): Ditto.
29016         (ix86_maybe_switch_abi): Ditto.
29017         (ix86_expand_call): Ditto for clobbered_registers array.
29018         (ix86_hard_regno_mode_ok): Ditto.
29019         (x86_extended_QIreg_mentioned_p): Ditto.
29020
29021 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
29022
29023         PR tree-optimization/39349
29024         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
29025
29026         * combine.c (gen_lowpart_for_combine): Use omode when generating
29027         clobber.
29028
29029 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
29030
29031         PR rtl-optimization/39235
29032         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
29033
29034 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
29035
29036         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
29037
29038 2009-03-04  Richard Guenther  <rguenther@suse.de>
29039
29040         PR tree-optimization/39362
29041         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
29042         that occur in abnormal PHIs should be varying.
29043
29044 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
29045
29046         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
29047         Extend comments.
29048         (simple_iv):  Take loop as an argument instead of statement.
29049         * tree-scalar-evolution.h (simple_iv): Declaration changed.
29050         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
29051         to simple_iv.
29052         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
29053         Ditto.
29054         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
29055         * matrix-reorg.c (analyze_transpose): Ditto.
29056         * tree-data-ref.c (dr_analyze_innermost): Ditto.
29057         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
29058         * tree-predcom.c (ref_at_iteration): Ditto.
29059         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
29060
29061 2009-03-04  Richard Guenther  <rguenther@suse.de>
29062
29063         PR tree-optimization/39358
29064         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
29065         escaped_id and callused_id.
29066         (solve_graph): Likewise.
29067
29068 2009-03-04  Richard Guenther  <rguenther@suse.de>
29069
29070         PR tree-optimization/39339
29071         * tree-sra.c (try_instantiate_multiple_fields): Make it
29072         no longer ICE on the above.
29073
29074 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
29075
29076         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
29077         that fits within Pmode.
29078
29079 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
29080
29081         PR middle-end/10109
29082         * tm.texi (LIBCALL_VALUE): Update description.
29083
29084 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
29085
29086         PR middle-end/34443
29087         * doc/extend.texi (section): Update description.
29088
29089 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
29090
29091         PR middle-end/39345
29092         * tree-inline.c (remapped_type): New.
29093         (can_be_nonlocal): Call remapped_type instead of remap_type.
29094
29095 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
29096
29097         PR fortran/39354
29098         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
29099         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
29100
29101 2009-03-03  Richard Guenther  <rguenther@suse.de>
29102
29103         PR middle-end/39272
29104         * tree.c (tree_nonartificial_location): New function.
29105         * tree.h (tree_nonartificial_location): Declare.
29106         * builtins.c (expand_builtin_memory_chk): Provide location
29107         of the call location for artificial function pieces.
29108         (maybe_emit_chk_warning): Likewise.
29109         (maybe_emit_sprintf_chk_warning): Likewise.
29110         (maybe_emit_free_warning): Likewise.
29111         * expr.c (expand_expr_real_1): Likewise.
29112
29113 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
29114
29115         PR tree-optimization/39343
29116         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
29117         COMPONENT_REF t has ARRAY_TYPE.
29118
29119 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
29120
29121         PR middle-end/39335
29122         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
29123         when the type precision of the induction variable should be
29124         larger than the type precision of nit.
29125         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
29126         * graphite.c (graphite_loop_normal_form): Same.
29127         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
29128
29129 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
29130
29131         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
29132         (*call_1_rex64_ms_sysv): Use named constants instead of magic
29133         numbers to describe clobbered registers.
29134         (*call_value_0_rex64_ms_sysv): Ditto.
29135         * config/i386/mmx.md (mmx_emms): Ditto.
29136         (mmx_femms): Ditto.
29137
29138 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
29139
29140         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
29141         of ABI_64.
29142
29143 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29144
29145         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
29146         (spu_section_type_flags): New function.
29147
29148 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
29149
29150         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
29151         reg_class_contents of FLOAT_REGS into a temporary.
29152
29153 2009-03-02  Richard Guenther  <rguenther@suse.de>
29154             Ira Rosen  <irar@il.ibm.com>
29155
29156         PR tree-optimization/39318
29157         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
29158         information to the vectorized statement.
29159
29160 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
29161
29162         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
29163         variable.  Use defined names instead of magic constants for REX SSE
29164         registers.
29165
29166 2009-03-01  Richard Guenther  <rguenther@suse.de>
29167
29168         PR tree-optimization/39331
29169         * omp-low.c (lower_send_shared_vars): Do not receive new
29170         values for the reference of DECL_BY_REFERENCE parms or results.
29171
29172 2009-03-01  Jan Hubicka  <jh@suse.cz>
29173
29174         PR debug/39267
29175         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
29176         BLOCK_NONLOCALIZED_VAR): New macros.
29177         (tree_block): Add nonlocalized_vars.
29178         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
29179         gen_decl_die): Add origin argument.  Allow generation of die with
29180         origin at hand only.
29181         (gen_member_die, gen_type_die_with_usage, force_decl_die,
29182         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
29183         of gen_*.
29184         (gen_block_die): Fix checking for unused blocks.
29185         (process_scope_var): Break out from .... ; work with origins only.
29186         (decls_for_scope) ... here; process nonlocalized list.
29187         (dwarf2out_ignore_block): Look for nonlocalized vars.
29188         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
29189         vars.
29190         (dump_scope_block): Dump them.
29191         * tree-inline.c (remap_decls): Handle nonlocalized vars.
29192         (remap_block): Likewise.
29193         (can_be_nonlocal): New predicate.
29194         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
29195
29196 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29197
29198         * configure: Regenerate.
29199
29200 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29201
29202         * optc-gen.awk: No need to duplicate option flags twice.
29203         Reuse help texts for duplicate options which do not have any.
29204
29205         * gcc.c (display_help): Document --version.
29206
29207         * gcc.c (main): If print_help_list and verbose_flag, ensure
29208         driver output comes before subprocess output.
29209
29210         * optc-gen.awk: Assign all remaining fields to help string,
29211         space-separated, for multi-line help in *.opt.
29212
29213         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
29214         -Wno-pedantic-ms-format is for MinGW targets only.
29215
29216         * doc/options.texi (Option file format): Fix bad indentation,
29217         restoring dropped sentence.
29218
29219 2009-02-28  Jan Hubicka  <jh@suse.cz>
29220
29221         * tree-inline.c (tree_function_versioning): Output debug info.
29222
29223 2009-02-28  Jan Hubicka  <jh@suse.cz>
29224
29225         PR debug/39267
29226         * tree-inline.c (setup_one_parameter): Do not copy propagate
29227         arguments when not optimizing.
29228
29229 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
29230
29231         PR target/39327
29232         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
29233         (avx_addsubv4df3): Likewise.
29234         (*avx_addsubv4sf3): Likewise.
29235         (sse3_addsubv4sf3): Likewise.
29236         (*avx_addsubv2df3): Likewise.
29237         (sse3_addsubv2df3): Likewise.
29238         (avx_unpckhps256): Correct item selectors.
29239         (avx_unpcklps256): Likewise.
29240         (avx_unpckhpd256): Likewise.
29241         (avx_unpcklpd256): Likewise.
29242
29243 2009-02-28  Jan Hubicka  <jh@suse.cz>
29244
29245         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
29246         static vars.
29247         (copy_arguments_for_versioning): If var is declared don't declare it.
29248         (tree_function_versioning): First setup substitutions and then copy
29249         args.
29250
29251 2009-02-27  Jan Hubicka  <jh@suse.cz>
29252
29253         PR debug/39267
29254         * cgraph.h (varpool_output_debug_info): Remove.
29255         * cgraphunit.c (varpool_output_debug_info): Remove.
29256         * dwarf2out.c (deferred_locations_struct): New struct
29257         (deferred_locations): New type.
29258         (deferred_locations_list): New static var.
29259         (deffer_location): New function.
29260         (gen_variable_die): Use it.
29261         (decls_for_scope): Output info on local static vars.
29262         (dwarf2out_finish): Process deferred locations.
29263         * varpool.c (varpool_output_debug_info): Remove.
29264
29265 2009-02-27  Jan Hubicka  <jh@suse.cz>
29266
29267         PR debug/39267
29268         * tree.h (TREE_PROTECTED): Fix comment.
29269         (BLOCK_HANDLER_BLOCK): Remove.
29270         (struct tree_block): Remove handler_block add body_block.
29271         (inlined_function_outer_scope_p): New.
29272         (is_body_block): Remove.
29273         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
29274         * dwarf2out.c (is_inlined_entry_point): Remove.
29275         (add_high_low_attributes): Use inlined_function_outer_scope_p.
29276         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
29277         code.
29278         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
29279         * gimplify.c (gimplify_expr): Gimplify body blocks.
29280         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
29281         block with multiple subblocks.
29282         (dump_scope_block): Prettier output; dump more flags and info.
29283         (dump_scope_blocks): New.
29284         (remove_unused_locals): Use dump_scope_blocks.
29285         * tree-flow.h (dump_scope_blocks): Declare.
29286         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
29287         * stmt.c (is_body_block): Remove.
29288         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
29289         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
29290
29291 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
29292
29293         PR middle-end/39308
29294         * graphite.c (graphite_loop_normal_form): Do not call
29295         number_of_iterations_exit from a gcc_assert.
29296
29297 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
29298
29299         * config/s390/s390.c (s390_swap_cmp): Look for conditional
29300         jumps if COND is NULL.
29301         (find_cond_jump): New function.
29302         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
29303         * config/s390/s390.md: Remove z10_cobra attribute value.
29304
29305 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
29306
29307         * config/alpha/alpha.h (alpha_expand_mov): Return false if
29308         force_const_mem returns NULL_RTX.
29309
29310 2009-02-26  Jan Hubicka  <jh@suse.cz>
29311
29312         PR debug/39267
29313         * cgraph.h (varpool_output_debug_info): Remove.
29314         * cgraphunit.c (varpool_output_debug_info): Remove.
29315         * dwarf2out.c (deferred_locations_struct): New struct
29316         (deferred_locations): New type.
29317         (deferred_locations_list): New static var.
29318         (deffer_location): New function.
29319         (gen_variable_die): Use it.
29320         (decls_for_scope): Output info on local static vars.
29321         (dwarf2out_finish): Process deferred locations.
29322         * varpool.c (varpool_output_debug_info): Remove.
29323
29324 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
29325
29326         PR rtl-optimization/39241
29327         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
29328         to subreg_offset_representable_p.
29329
29330 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
29331
29332         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
29333         execute function prototype.  Get f and nregs from max_reg_num
29334         and get_insns.  Remove the first backward pass as it's dead,
29335         guard the forward pass by flag_expensive_optimizations.
29336         (rest_of_handle_regmove): Delete.
29337         (pass_regmove): Replace it with regmove_optimize.
29338
29339 2009-02-25  Martin Jambor  <mjambor@suse.cz>
29340
29341         PR tree-optimization/39259
29342         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
29343         calls_alloca function flags.
29344         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
29345         calls are detected.
29346
29347 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
29348
29349         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
29350         flags_set_1_rtx, flags_set_1_set): Delete.
29351         (regmove_optimize): Do not call mark_flags_life_zones.
29352
29353 2009-02-24  Julian Brown  <julian@codesourcery.com>
29354
29355         PR target/35965
29356         * config/arm/arm.c (require_pic_register): Only set
29357         cfun->machine->pic_reg once per function.
29358
29359 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
29360
29361         * doc/invoke.texi (Link Options): Document an easier way to pass
29362         options that take arguments to the GNU linker using -Xlinker and -Wl.
29363
29364 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
29365
29366         PR target/33785
29367         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
29368
29369 2009-02-24  Richard Guenther  <rguenther@suse.de>
29370
29371         PR debug/39285
29372         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
29373
29374 2009-02-24  Richard Guenther  <rguenther@suse.de>
29375             Zdenek Dvorak  <ook@ucw.cz>
29376
29377         PR tree-optimization/39233
29378         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
29379         from converting them to a generic type.
29380
29381 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
29382
29383         PR tree-optimization/39260
29384         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
29385         contains a condition with a real type.
29386         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
29387
29388 2009-02-23  Jason Merrill  <jason@redhat.com>
29389
29390         PR c++/38880
29391         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
29392         narrowing_initializer_constant_valid_p.
29393         (narrowing_initializer_constant_valid_p): Don't return
29394         null_pointer_node for adding a pointer to itself.
29395
29396 2009-02-23  Jan Hubicka  <jh@suse.cz>
29397
29398         PR c/12245
29399         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
29400         resizing.
29401
29402 2009-02-23  Jan Hubicka  <jh@suse.cz>
29403
29404         PR tree-optimization/37709
29405         * tree.c (block_ultimate_origin): Move here from dwarf2out.
29406         * tree.h (block_ultimate_origin): Declare.
29407         * dwarf2out.c (block_ultimate_origin): Move to tree.c
29408         * tree-ssa-live.c (remove_unused_scope_block_p):
29409         Eliminate blocks containig no instructions nor live variables nor
29410         nested blocks.
29411         (dump_scope_block): New function.
29412         (remove_unused_locals): Enable removal of dead blocks by default;
29413         enable dumping at TDF_DETAILS.
29414
29415 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
29416
29417         * config/i386/i386.c (classify_argument): Don't allow COImode
29418         and OImode.
29419         (function_arg_advance_32): Don't allow OImode.
29420         (function_arg_32): Likewise.
29421         (function_value_32): Likewise.
29422         (return_in_memory_32): Likewise.
29423         (function_arg_64): Remove OImode comment.
29424
29425 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
29426
29427         PR target/39261
29428         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
29429         ix86_expand_vector_set for V4DImode in 64bit mode only.
29430         (ix86_expand_vector_init_one_var): Likewise.
29431
29432 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
29433
29434         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
29435
29436 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
29437
29438         PR bootstrap/39257
29439         * loop-iv.c: Revert last change.
29440         * emit-rtl.c: Likewise.
29441
29442 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
29443
29444         PR target/39256
29445         * config/i386/i386.c (type_natural_mode): Remove an extra
29446         space in the warning message.
29447         (function_value_32): Handle 32-byte vector modes.
29448         (return_in_memory_32): Likewise.
29449
29450 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
29451
29452         * loop-iv.c (truncate_value): New function.
29453         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
29454         of lowpart_subreg.
29455         (lowpart_subreg): Move to...
29456         * emit-rtl.c: ...here.
29457
29458 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
29459
29460         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
29461         accidental and undocumented change at revision 140860.
29462
29463 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
29464
29465         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
29466         take gimple_seq * arguments.
29467         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
29468         types_compatible_p langhook.
29469
29470 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
29471             Joseph Myers  <joseph@codesourcery.com>
29472
29473         * config/arm/arm.c (arm_builtin_va_list): New function.
29474         (arm_expand_builtin_va_start): Likewise.
29475         (arm_gimplify_va_arg_expr): Likewise.
29476         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
29477         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
29478         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
29479         (va_list_type): New variable.
29480         (arm_mangle_type): Mangle va_list_type appropriately.
29481
29482 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
29483
29484         PR middle-end/39157
29485         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
29486         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
29487         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
29488         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
29489         parameter to 1000 for -O1 by default.
29490         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
29491         parameter.
29492         * loop-invariant.c: Include params.h.
29493         (move_loop_invariants): Don't call move_single_loop_invariants on
29494         very large loops.
29495
29496 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
29497
29498         * calls.c (emit_library_call_value_1): Use slot_offset instead of
29499         offset when calculating bounds for indexing stack_usage_map.  Fixes
29500         a buffer overflow with certain target setups.
29501
29502 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
29503
29504         PR target/39240
29505         * calls.c (expand_call): Clear try_tail_call if caller and callee
29506         disagree in promotion of function return value.
29507
29508 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
29509
29510         PR target/39175
29511         * c-common.c (c_determine_visibility): If visibility changed and
29512         DECL_RTL has been already set, call make_decl_rtl to update symbol
29513         flags.
29514
29515 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
29516
29517         PR c++/39188
29518         * varasm.c (assemble_variable): Don't check DECL_NAME when
29519         globalizing a variable.
29520
29521 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
29522
29523         PR c/38483
29524         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
29525         expression before any __builtin_trap call.
29526         * c-typeck.c (build_function_call): Convert and check function
29527         arguments before generating a call to a trap.  Evaluate the
29528         function arguments before the trap.
29529
29530 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
29531
29532         PR target/39228
29533         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
29534         (UNSPEC_FXAM_MEM): New unspec.
29535         (fxam<mode>2_i387_with_temp): New insn and split pattern.
29536         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
29537         memory using fxam<mode>2_i387_with_temp to remove excess precision.
29538
29539 2009-02-19  Richard Guenther  <rguenther@suse.de>
29540
29541         PR tree-optimization/39207
29542         PR tree-optimization/39074
29543         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
29544         storedanything_tree): New.
29545         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
29546         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
29547         (build_succ_graph): Add edges from STOREDANYTHING to all
29548         non-direct nodes.
29549         (init_base_vars): Initialize STOREDANYTHING.
29550         (compute_points_to_sets): Free substitution info after
29551         building the succ graph.
29552         (ipa_pta_execute): Likewise.
29553
29554         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
29555         field.
29556         (do_ds_constraint): Do not add to special var or non-pointer
29557         field solutions.
29558         (type_could_have_pointers): Split out from ...
29559         (could_have_pointers): ... here.  For arrays use the element type.
29560         (create_variable_info_for): Initialize may_have_pointers.
29561         (new_var_info): Likewise.
29562         (handle_lhs_call): Make the HEAP variable unknown-sized.
29563         (intra_create_variable_infos): Use a type with pointers for
29564         PARM_NOALIAS, make it unknown-sized.
29565
29566 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
29567
29568         PR target/39224
29569         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
29570
29571 2009-02-18  Jason Merrill  <jason@redhat.com>
29572
29573         PR target/39179
29574         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
29575         value if DECL_EXTERNAL.
29576         * tree-sra.c (sra_walk_gimple_assign): Likewise.
29577         * target.h (gcc_target::binds_local_p): Clarify "module".
29578         * tree.h (TREE_PUBLIC): Clarify "module".
29579
29580 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
29581
29582         PR target/38891
29583         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
29584         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
29585
29586 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
29587
29588         PR target/39082
29589         * c.opt (Wabi): Support C and ObjC.
29590         (Wpsabi): New.
29591
29592         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
29593
29594         * config/i386/i386.c (classify_argument): Warn once about the ABI
29595         change when passing union with long double.
29596
29597         * doc/invoke.texi: Update -Wabi for warning psABI changes.
29598
29599 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
29600
29601         PR c/35447
29602         * c-parser.c (c_parser_compound_statement): Always enter and leave
29603         a scope.
29604
29605 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
29606
29607         PR target/34587
29608         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
29609
29610 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
29611
29612         PR tree-optimization/36922
29613         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
29614         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
29615         Likewise.
29616
29617 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
29618
29619         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
29620         to 0 for EABI64.
29621
29622 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
29623
29624         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
29625
29626 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
29627
29628         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
29629         tree sharing.
29630
29631 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
29632             Richard Sandiford  <rdsandiford@googlemail.com>
29633
29634         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
29635         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
29636         (loongson_biadd): ...this.
29637
29638 2009-02-17  Richard Guenther  <rguenther@suse.de>
29639
29640         PR tree-optimization/39202
29641         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
29642         a var make sure to follow existing collapses.
29643
29644 2009-02-17  Richard Guenther  <rguenther@suse.de>
29645
29646         PR middle-end/39214
29647         * langhooks.c (lhd_print_error_function): Check for NULL block.
29648
29649 2009-02-17  Richard Guenther  <rguenther@suse.de>
29650
29651         PR tree-optimization/39204
29652         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
29653         of the PHI arg.
29654
29655 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
29656
29657         * config/soft-fp/double.h: Update from glibc CVS.
29658
29659 2009-02-17  Richard Guenther  <rguenther@suse.de>
29660
29661         PR tree-optimization/39207
29662         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
29663         strict-aliasing warnings for pointers pointing to NULL.
29664
29665 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
29666
29667         PR c/35446
29668         * c-parser.c (c_parser_braced_init): Call pop_init_level when
29669         skipping until next close brace.
29670
29671 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
29672
29673         PR target/37049
29674         * config/i386/i386.c (ix86_expand_push): Set memory alignment
29675         to function argument boundary.
29676
29677 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
29678
29679         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
29680         in the lea_add. Reload eventually constraints it properly.
29681         * config/picochip/constraints.md: Remove the target constraint
29682         "b", since it is not needed anymore.
29683
29684 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
29685
29686         * gthr-dce.h: Uglify function parameter and local variable names.
29687         * gthr-gnat.h: Likewise.
29688         * gthr-mipssde.h: Likewise.
29689         * gthr-nks.h: Likewise.
29690         * gthr-posix95.h: Likewise.
29691         * gthr-posix.h: Likewise.
29692         * gthr-rtems.h: Likewise.
29693         * gthr-single.h: Likewise.
29694         * gthr-solaris.h: Likewise.
29695         * gthr-tpf.h: Likewise.
29696         * gthr-vxworks.h: Likewise.
29697         * gthr-win32.h: Likewise.
29698
29699 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
29700
29701         PR target/39196
29702         * config/i386/i386.md: Restrict the new peephole2 to move
29703         between MMX/SSE registers.
29704
29705 2009-02-15  Richard Guenther  <rguenther@suse.de>
29706
29707         Revert
29708         2009-02-13  Richard Guenther  <rguenther@suse.de>
29709
29710         * configure.ac: Enable LFS.
29711         * configure: Re-generate.
29712         * config.in: Likewise.
29713
29714 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29715
29716         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
29717         spu_srqwbyte, spu_srqwbytebc): Define.
29718         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
29719         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
29720         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
29721         "shrqby_<mode>"): New insn-and-split patterns.
29722         * config/spu/spu.c (expand_builtin_args): Determine and return
29723         number of operands using spu_builtin_description data.
29724         (spu_expand_builtin_1): Use it.
29725
29726 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
29727
29728         PR target/38056
29729         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
29730         TARGET_CONST_GP.
29731
29732 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
29733
29734         PR target/39149
29735         * config/i386/i386.c (override_options): Correct warning
29736         messages for -malign-loops, -malign-jumps and -malign-functions.
29737
29738 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
29739
29740         PR target/39152
29741         * config/i386/i386.md: Restrict the new peephole2 to move
29742         between the general purpose registers.
29743
29744 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
29745
29746         PR target/39162
29747         * config/i386/i386.c (type_natural_mode): Add a new argument.
29748         Return the original mode and warn ABI change if vector size is 32byte.
29749         (function_arg_advance): Updated.
29750         (function_arg): Likewise.
29751         (ix86_function_value): Likewise.
29752         (ix86_return_in_memory): Likewise.
29753         (ix86_sol10_return_in_memory): Likewise.
29754         (ix86_gimplify_va_arg): Likewise.
29755         (function_arg_32): Don't warn ABX ABI change here.
29756         (function_arg_64): Likewise.
29757
29758 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
29759
29760         * loop-iv.c (implies_p): In the final case, test that operands 0
29761         of the two comparisons match.
29762
29763         * config/bfin/bfin.c (find_prev_insn_start): New function.
29764         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
29765         (find_next_insn_start): Move.
29766
29767 2009-02-13  Richard Guenther  <rguenther@suse.de>
29768
29769         * configure.ac: Enable LFS.
29770         * configure: Re-generate.
29771         * config.in: Likewise.
29772
29773 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
29774
29775         PR c/35444
29776         * c-parser.c (c_parser_parms_list_declarator): Discard pending
29777         sizes on syntax error after some arguments have been parsed.
29778
29779 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
29780
29781         * doc/invoke.texi (-fira): Remove.
29782
29783 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
29784
29785         * caller-save.c: Replace regclass.c with reginfo.c in comments.
29786         * recog.c: Likewise.
29787         * rtl.h: Likewise.
29788
29789 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
29790
29791         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
29792         (umul_ppmm): Likewise.
29793         (count_leading_zeros): Likewise.
29794         (count_trailing_zeros): Likewise.
29795         (UMUL_TIME): Likewise.
29796
29797 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
29798
29799         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
29800         soft-fp/t-softfp to tmake_file.
29801
29802         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
29803         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
29804         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
29805         IA64_BUILTIN_INFQ]: New.
29806         (ia64_init_builtins): Initialize __builtin_infq,
29807         __builtin_fabsq and __builtin_copysignq if not HPUX.
29808         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
29809         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
29810
29811         * config/ia64/lib1funcs.asm (__divtf3): Define only if
29812         SHARED is defined.
29813         (__fixtfti): Likewise.
29814         (__fixunstfti): Likewise.
29815         (__floattitf): Likewise.
29816
29817         * config/ia64/libgcc-glibc.ver: New.
29818         * config/ia64/t-fprules-softfp: Likewise.
29819         * config/ia64/sfp-machine.h: Likewise.
29820
29821         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
29822         (LIBGCC2_TF_CEXT): Likewise.
29823         (TF_SIZE): Likewise.
29824         (TARGET_INIT_LIBFUNCS): Likewise.
29825
29826         * config/ia64/t-glibc (SHLINB_MAPFILES):
29827         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
29828
29829 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
29830
29831         * config/i386/i386.c (construct_container): Rewrite processing
29832         BLKmode with X86_64_SSE_CLASS.
29833
29834 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
29835
29836         PR target/39152
29837         * config/i386/i386.md: Replace simplify_replace_rtx with
29838         replace_rtx in the new peephole2.
29839
29840 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
29841
29842         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
29843         loop unrolling do not happen at -O2.
29844
29845 2009-02-12  Michael Matz  <matz@suse.de>
29846
29847         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
29848
29849 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
29850
29851         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
29852         for -g3.
29853
29854 2009-02-12  Ben Elliston  <bje@au.ibm.com>
29855
29856         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
29857         patterns when updating the back chain.  Missed in the 2009-02-10
29858         change.
29859
29860 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
29861
29862         * doc/extend.texi (Decimal Floating Types): Update identifier of
29863         draft TR and list of missing support.
29864
29865 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
29866
29867         PR middle-end/39154
29868         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
29869         bit to variable length decl's flags, add it also to its
29870         pointer replacement variable.
29871
29872 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
29873             Jakub Jelinek  <jakub@redhat.com>
29874
29875         PR target/39118
29876         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
29877         (memory_blockage): New expander.
29878         (*memory_blockage): New insn pattern.
29879         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
29880         instead of general blockage at the end of function prologue when
29881         frame pointer is used to access red zone area.  Do not emit blockage
29882         when profiling, it is emitted in generic code.
29883         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
29884         function epilogue when frame pointer is used to access red zone area.
29885
29886 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
29887
29888         PR target/38824
29889         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
29890         by arithmetic with memory operands.
29891         * config/i386/predicates.md (commutative_operator): New.
29892
29893 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
29894
29895         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
29896         bulleted lists.
29897
29898 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
29899
29900         * alias.h (record_alias_subset): Declare.
29901         * alias.c (record_alias_subset): Make global.
29902
29903 2009-02-10  Nick Clifton  <nickc@redhat.com>
29904
29905         * tree-parloops.c: Change license to GPLv3.
29906         * ipa-struct-reorg.c: Change license to GPLv3.
29907         * ipa-struct-reorg.h: Change license to GPLv3.
29908
29909 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
29910
29911         PR c/39084
29912         * c-decl.c (start_struct): Return NULL on error.
29913
29914 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
29915
29916         PR middle-end/39124
29917         * cfgloopmanip.c (remove_path): Call remove_bbs after
29918         cancel_loop_tree, not before it.
29919
29920         PR target/39139
29921         * function.h (struct function): Add has_local_explicit_reg_vars bit.
29922         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
29923         VAR_DECLs were seen.
29924         * tree-ssa-live.c (remove_unused_locals): Recompute
29925         cfun->has_local_explicit_reg_vars.
29926         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
29927         copies or clearings if cfun->has_local_explicit_reg_vars.
29928
29929 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
29930
29931         PR target/39118
29932         * config/i386/i386.c (expand_prologue): Emit blockage at the end
29933         of function prologue when frame pointer is used to access
29934         red zone area.
29935
29936 2009-02-10  Richard Guenther  <rguenther@suse.de>
29937
29938         PR middle-end/39127
29939         * gimplify.c (gimple_regimplify_operands): Always look if
29940         we need to create a temporary.
29941
29942 2009-02-10  Richard Guenther  <rguenther@suse.de>
29943
29944         PR tree-optimization/39132
29945         * tree-loop-distribution.c (todo): New global var.
29946         (generate_memset_zero): Trigger TODO_rebuild_alias.
29947         (tree_loop_distribution): Return todo.
29948
29949 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
29950
29951         PR target/39119
29952         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
29953         (x86_64_reg_class_name): Removed.
29954         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
29955         first one isn't X86_64_SSE_CLASS or any other ones aren't
29956         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
29957         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
29958         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
29959         and 3 X86_64_SSEUP_CLASS.
29960         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
29961         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
29962
29963 2009-02-10  Ben Elliston  <bje@au.ibm.com>
29964
29965         * config/rs6000/rs6000.md (allocate_stack): Always use an update
29966         form instruction to update the stack back chain word, even if the
29967         user has disabled the generation of update instructions.
29968         (movdi_<mode>_update_stack): New.
29969         (movsi_update_stack): Likewise.
29970         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
29971         always use an update form instruction to update the stack back
29972         chain word.
29973
29974 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
29975
29976         PR middle-end/38953
29977         * graphite.c (if_region_set_false_region): After moving a region in
29978         the false branch of a condition, remove the empty dummy basic block.
29979         (gloog): Remove wrong fix for PR38953.
29980
29981 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
29982
29983         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
29984         generation due to implicit sign extension.
29985
29986 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
29987
29988         PR middle-end/38981
29989         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
29990         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
29991
29992 2009-02-09  Richard Guenther  <rguenther@suse.de>
29993
29994         PR middle-end/35202
29995         * convert.c (convert_to_real): Disable (float)fn((double)x)
29996         to fnf(x) conversion if errno differences may occur and
29997         -fmath-errno is set.
29998
29999 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
30000
30001         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
30002         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
30003         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
30004
30005 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
30006
30007         PR c/35434
30008         * c-common.c (handle_alias_attribute): Disallow attribute for
30009         anything not a FUNCTION_DECL or VAR_DECL.
30010
30011 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
30012
30013         PR c/39035
30014         * real.c (do_compare): Special-case compare of zero against
30015         decimal float value.
30016
30017 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
30018
30019         PR c/36432
30020         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
30021         as indicating flexible array members unless the field itself is
30022         being declarared as the incomplete array.
30023
30024 2009-02-06  Jan Hubicka  <jh@suse.cz>
30025
30026         PR tree-optimization/38844
30027         * ipa-inline.c (try_inline): Stop inlining recursion when edge
30028         is already inlined.
30029
30030 2009-02-06  Richard Guenther  <rguenther@suse.de>
30031
30032         PR middle-end/38977
30033         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
30034         fork because we may expand it as __gcov_fork.
30035
30036 2009-02-06  Nick Clifton  <nickc@redhat.com>
30037
30038         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
30039
30040 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
30041
30042         PR tree-optimization/35659
30043         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
30044         vn_phi_eq): Shortcut if hashcode does not match.
30045         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
30046         NULL operands.
30047         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
30048         and avoid iterative_hash_expr.
30049         (FOR_EACH_VALUE_ID_IN_SET): New.
30050         (value_id_compare): Remove.
30051         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
30052         sort expressions by value id.
30053
30054 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
30055
30056         PR target/38991
30057         * config/sh/predicates.md (general_movsrc_operand): Don't check
30058         the subreg of system registers here.
30059
30060 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
30061
30062         PR c++/39106
30063         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
30064         on the copied decl.
30065
30066 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
30067
30068         PR rtl-optimization/39110
30069         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
30070         addresses, not aligned ones.
30071
30072 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
30073             Richard Guenther  <rguenther@suse.de>
30074
30075         PR tree-optimization/39100
30076         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
30077         comment says and add edges.
30078
30079 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
30080
30081         PR c/35435
30082         * c-common.c (handle_tls_model_attribute): Ignore attribute for
30083         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
30084
30085 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
30086
30087         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
30088         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
30089         register_bb_in_sese, new_sese, free_sese): Moved.
30090         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
30091         outermost_loop_in_scop, build_scop_iteration_domain,
30092         expand_scalar_variables_ssa_name, get_vdef_before_scop,
30093         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
30094         Use loop_in_sese_p instead of loop_in_scop_p.
30095         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
30096         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
30097         (scopdet_basic_block_info): Fix bug in scop detection.
30098         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
30099         eq_loop_to_cloog_loop): Remove.
30100         (nb_loops_around_loop_in_scop, nb_loop
30101         ref_nb_loops): Moved here...
30102         * graphite.h (ref_nb_loops): ... from here.
30103         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
30104         (loop_domain_dim, loop_iteration_vector_dim): Remove.
30105         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
30106
30107 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
30108             Hans-Peter Nilsson  <hp@axis.com>
30109
30110         PR rtl-optimization/37889
30111         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
30112         Move offset handling from PLUS to before the switch.  Use new
30113         arguments when considering SYMBOL_REFs too.
30114         (rtx_addr_can_trap_p): Pass dummy offset and size.
30115         (enum may_trap_p_flags): Remove.
30116         (may_trap_p_1): Pass size from MEM_SIZE.
30117
30118         PR rtl-optimization/38921
30119         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
30120         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
30121         * rtlanal.c (may_trap_after_code_motion_p): Delete.
30122         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
30123
30124 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
30125
30126         AVX Programming Reference (January, 2009)
30127         * config/i386/sse.md (*vpclmulqdq): New.
30128
30129 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
30130
30131         PR tree-optimization/38977
30132         PR gcov-profile/38292
30133         * calls.c (special_function_p): Disregard __builtin_ prefix.
30134
30135 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
30136
30137         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
30138         non-indexable addresses even before reload.
30139
30140 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
30141
30142         PR c/29129
30143         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
30144         as having variable size.  Do not give an error for unnamed
30145         parameters with [*] declarators.  Give a warning for type names
30146         with [*] declarators and mark them as variable size.
30147         * c-parser.c (c_parser_sizeof_expression): Do not give an error
30148         for sizeof applied to [*] type names.
30149
30150 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
30151
30152         PR C++/36607
30153         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
30154
30155 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
30156
30157         * gcc.c (process_command): Update copyright notice dates.
30158         * gcov.c (print_version): Likewise.
30159         * gcov-dump.c (print_version): Likewise.
30160         * mips-tfile.c (main): Likewise.
30161         * mips-tdump.c (main): Likewise.
30162
30163 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
30164
30165         PR c/35433
30166         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
30167         for composite type involving a zero-length array type.
30168
30169 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
30170
30171         PR target/35318
30172         * function.c (match_asm_constraints_1): Skip over
30173         initial optional % in the constraint.
30174
30175         PR inline-asm/39059
30176         * c-parser.c (c_parser_postfix_expression): If fixed point is not
30177         supported, don't accept FIXED_CSTs.
30178         * c-decl.c (finish_declspecs): Error if fixed point is not supported
30179         and _Sat is used without _Fract/_Accum.  Set specs->type to
30180         integer_type_node for cts_fract/cts_accum if fixed point is not
30181         supported.
30182
30183 2009-02-02  Catherine Moore  <clm@codesourcery.com>
30184
30185         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
30186
30187 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
30188
30189         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
30190         (ABI_HAS_64BIT_SYMBOLS): Use it.
30191         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
30192
30193 2009-02-02  Paul Brook  <paul@codesourcery.com>
30194
30195         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
30196
30197 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
30198
30199         PR inline-asm/39058
30200         * recog.h (asm_operand_ok): Add constraints argument.
30201         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
30202         recurse on matching constraint.
30203         (check_asm_operands): Pass constraints as 3rd argument to
30204         asm_operand_ok.  Don't look up matching constraint here.
30205         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
30206         to asm_operand_ok.
30207
30208 2009-02-02  Ben Elliston  <bje@au.ibm.com>
30209
30210         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
30211         TARGET_NARROW_VOLATILE_BITFIELD macro names.
30212
30213 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
30214
30215         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
30216         information.  Remove some obsolete information.  Reorganize.
30217
30218         * config/pa/fptr.c: Revert license to GPL 2.
30219         * config/pa/milli64.S: Likewise.
30220
30221 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
30222
30223         PR target/38904
30224         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
30225         LIBRARY name in, instead of hard-coding it.
30226         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
30227         extra target make frag to tmake_files according to EH model.
30228         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
30229         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
30230         frags that define makefile variable EH_MODEL appropriately.
30231         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
30232         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
30233         to "-sjlj" according to type of EH configured.
30234         (LIBGCC_SONAME):  Concatenate it to shared library base name.
30235         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
30236         to "_sjlj" according to type of EH configured.
30237         (LIBGCC_SONAME):  Concatenate it to shared library base name.
30238         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
30239         (SHLIB_LINK):  Add missing semicolon to if-else construct.
30240         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
30241         string value of "pe_dll" command-line option.
30242         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
30243         (SHLIB_SONAME):  Use it when overriding t-cygming default.
30244         (SHLIB_IMPLIB):  Override t-cygming default.
30245         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
30246         string value of "pe_dll" command-line option.
30247
30248 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
30249
30250         PR target/38952
30251         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
30252         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
30253
30254 2009-01-31  Richard Guenther  <rguenther@suse.de>
30255
30256         PR tree-optimization/38937
30257         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
30258         computing the transitive closure.
30259
30260 2009-01-30  Richard Guenther  <rguenther@suse.de>
30261
30262         PR tree-optimization/39041
30263         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
30264         Propagate variable indices only if the types match for this stmt.
30265
30266 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
30267
30268         PR target/39013
30269         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
30270         inline but never defined.
30271
30272 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
30273
30274         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
30275         (*insv_h_di_reg_extimm): New insn.
30276         (*insv_l<mode>_reg_extimm): New insn.
30277
30278 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
30279
30280         * config/picochip/picochip.c (flag_conserve_stack): set
30281         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
30282         fconserve-stack. Reduce call-overhead used by inliner.
30283
30284 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
30285
30286         PR/38157
30287         * common.opt (flag_conserve_stack): Initialised to zero.
30288
30289 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
30290
30291         PR/39002
30292         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
30293         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
30294         method.
30295
30296 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
30297
30298         * ira-color.c (allocno_reload_assign): Update comments.
30299         * regmove.c (regmove_optimize): Likewise.
30300
30301         * ra.h: Removed.
30302
30303 2009-01-29  Robert Millan  <rmh@aybabtu.com>
30304
30305         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
30306         * config/i386/kopensolaris-gnu.h: New file.  Undefine
30307         `MD_UNWIND_SUPPORT'.
30308         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
30309
30310 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
30311
30312         PR tree-optimization/39007
30313         * tree-loop-distribution.c (generate_builtin): Use
30314         recompute_dominator to compute the immediate dominator of the
30315         basic block just after the loop.
30316
30317 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
30318
30319         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
30320         (ASM_OUTPUT_DWARF_PCREL): Define.
30321
30322 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
30323
30324         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
30325         * doc/passes.texi: Remove entries about regclass, local-alloc, and
30326         global.  Modify entries about regmove and IRA.
30327
30328         * ra-conflict.c: Remove the file.
30329
30330         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
30331
30332         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
30333         (pass_regclass_init): Rename to pass_reginfo_init.
30334
30335         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
30336
30337         * toplev.h (flag_ira): Remove.
30338
30339         * caller-save.c (setup_save_areas): Remove flag_ira.
30340
30341         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
30342
30343         * global.c: Remove the file.
30344
30345         * opts.c (decode_options): Remove flag_ira.
30346
30347         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
30348
30349         * regmove.c: Modify file description.
30350         (find_use_as_address, try_auto_increment): Define them only if
30351         AUTO_INC_DEC is defined.
30352         (replacement_quality, replace_in_call_usage, fixup_match_1,
30353         stable_and_no_regs_but_for_p): Remove.
30354         (reg_set_in_bb): Make it static.
30355         (regmove_optimize): Remove flag_ira and code which worked for
30356         !flag_ira.
30357
30358         * local-alloc.c: Remove the file.
30359
30360         * common.opt (fira): Remove.
30361
30362         * ira.c: Include except.h.
30363         (eliminable_regset): Move from global.c.
30364         (mark_elimination): Ditto.  Remove flag_ira.
30365         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
30366         equiv_mem_modified, validate_equiv_mem_from_store,
30367         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
30368         contains_replace_regs, memref_referenced_p, memref_used_between_p,
30369         no_equiv, recorded_label_ref): Move from local-alloc.c.
30370         (update_equiv_regs): Ditto.  Make it static.
30371         (print_insn_chain, print_insn_chains): Move it from global.c.
30372         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
30373         (build_insn_chain): Ditto.  Make it static.
30374         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
30375         Rename to init_live_subregs.
30376         (gate_ira): Remove flag_ira.
30377
30378         * regclass.c: Rename reginfo.c.  Change file description.
30379         (FORBIDDEN_INC_DEC_CLASSES): Remove.
30380         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
30381         (init_reg_sets_1): Remove code for evaluation of
30382         reg_class_superclasses and losing_caller_save_reg_set.
30383         (init_regs): Remove init_reg_autoinc.
30384         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
30385         ok_for_base_p_nonstrict): Remove.
30386         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
30387         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
30388         corresponding entries.
30389         (dump_regclass, record_operand_costs, scan_one_insn,
30390         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
30391         record_address_regs, auto_inc_dec_reg_p): Remove.
30392         (gt-regclass.h): Rename to gt-reginfo.h.
30393
30394         * rtl.h (dump_global_regs, retry_global_alloc,
30395         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
30396
30397         * Makefile.in (RA_H): Remove.
30398         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
30399         Rename regclass.o to reginfo.o.
30400         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
30401         gt-reginfo.h.
30402         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
30403         (GTFILES): Rename regclass.c to reginfo.c.
30404
30405         * passes.c (init_optimization_passes): Remove pass_local_alloc and
30406         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
30407
30408         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
30409         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
30410         Remove flag_ira.
30411         (finish_spills): Ditto.  Remove code for !flag_ira.
30412
30413 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
30414
30415         PR middle-end/35854
30416         * doc/invoke.texi (rtl debug options): Complete rewrite.
30417         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
30418         to auto_inc_dec".
30419         * mode-switching.c (pass_mode_switching): Rename pass from
30420         "mode-sw" to "mode_sw".
30421         * except.c (pass_convert_to_eh_ranges): Rename pass from
30422         "eh-ranges" to "eh_ranges".
30423         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
30424         to "subreg1".
30425
30426
30427 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
30428             Alexander Monakov  <amonakov@ispras.ru>
30429
30430         PR middle-end/38857
30431         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
30432         register.
30433         (move_exprs_to_boundary): Change return type and pass through
30434         should_move from move_op.  Relax assert.  Update usage ...
30435         (schedule_expr_on_boundary): ... here.  Use should_move instead of
30436         cant_move.
30437         (move_op_orig_expr_found): Indicate that insn was disconnected from
30438         stream.
30439         (code_motion_process_successors): Do not call after_merge_succs
30440         callback if original expression was not found when traversing any of
30441         the branches.
30442         (code_motion_path_driver): Change return type.  Update prototype.
30443         (move_op): Update comment.  Add a new parameter (should_move).  Update
30444         prototype.  Set *should_move based on indication provided by
30445         move_op_orig_expr_found.
30446
30447 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
30448
30449         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
30450         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
30451         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
30452         * config/rs6000/rs6000.c (rs6000_override_options): Default
30453         avoid-indexed-addresses on for Power6, off for everything else.
30454         (avoiding_indexed_address_p): New function.
30455         (rs6000_legitimize_address): Use it.
30456         (rs6000_legitimate_address): Likewise.
30457         * config/rs6000/rs6000.md (movXX_updateX): Likewise
30458
30459 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
30460
30461         PR tree-optimization/38997
30462         * tree-loop-distribution.c (generate_memset_zero): Use
30463         POINTER_PLUS_EXPR for a pointer addition.
30464
30465 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
30466
30467         * config/s390/s390.md (bswap<mode>2): New pattern added.
30468
30469 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
30470
30471         * config/s390/s390.md (*tls_load_31): Added type attribute.
30472
30473 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
30474
30475         * config/s390/s390.md: Fix a few comments.
30476
30477 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
30478
30479         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
30480         (*tm<mode>_full): Fixed z10prop attribute.
30481         (*tst<mode>_extimm): Fixed z10prop attribute.
30482         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
30483         (*tstqiCCT_cconly): Fixed z10prop attribute.
30484         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
30485         (*movsi_larl): Fixed z10prop attribute.
30486         (*movsi_zarch): Fixed z10prop attribute.
30487         (*movsi_eas): Fixed z10prop attribute.
30488         (*movhi): Fixed z10prop attribute.
30489         (*movqi): Fixed z10prop attribute.
30490         (*movstrictqi): Fixed z10prop attribute.
30491         (*mov<mode>): Fixed z10prop attribute.
30492         (*movcc): Fixed z10prop attribute.
30493         (*sethighpartdi_64): Fixed z10prop attribute.
30494         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
30495         (*negdi2_sign_cc): Fixed z10prop attribute.
30496         (*negdi2_sign): Fixed z10prop attribute.
30497         (*absdi2_sign_cc): Fixed z10prop attribute.
30498         (*absdi2_sign): Fixed z10prop attribute.
30499         (*negabsdi2_sign_cc): Fixed z10prop attribute.
30500         (*negabsdi2_sign): Fixed z10prop attribute.
30501         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
30502         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
30503         (doloop_si64): Fixed z10prop attribute.
30504         (doloop_si31): Fixed z10prop attribute.
30505         (doloop_long): Fixed z10prop attribute.
30506         (indirect_jump): Fixed z10prop attribute.
30507         (nop): Fixed z10prop attribute.
30508         (main_base_64): Fixed z10prop attribute.
30509         (reload_base_64): Fixed z10prop attribute.
30510
30511 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
30512
30513         PR rtl-optimization/38740
30514         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
30515         if !optimize.
30516         * config/mips/mips.c (mips_reorg): Likewise.
30517
30518 2009-01-28  Richard Guenther  <rguenther@suse.de>
30519
30520         PR tree-optimization/38926
30521         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
30522         with the correct value id to a value.
30523         (do_regular_insertion): Use the value number of edoubleprime
30524         for the value number of the expr.
30525
30526         Revert
30527         2008-08-21  Richard Guenther  <rguenther@suse.de>
30528
30529         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
30530         a PHI ask VN if it is already available.
30531         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
30532         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
30533
30534 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
30535
30536         PR middle-end/38934
30537         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
30538         set to varying whenever max has TREE_OVERFLOW set, similarly
30539         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
30540
30541 2009-01-28  Richard Guenther  <rguenther@suse.de>
30542
30543         PR middle-end/38908
30544         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
30545         uninitialized aggregate uses in call arguments.
30546
30547 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
30548
30549         PR tree-optimization/38984
30550         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
30551         the nothing_id variable if -fno-delete-null-pointer-checks.
30552
30553 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
30554
30555         PR target/38988
30556         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
30557         (set_got_offset_rex64): Ditto.
30558
30559 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
30560
30561         PR target/38941
30562         * doc/extend.texi: Improve local variable with asm reg.
30563
30564 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
30565
30566         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
30567         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
30568         was not supplied then set warn_packed_bitfield_compat to the
30569         default value of 1.
30570         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
30571         against 1.
30572
30573 2009-01-27  Richard Guenther  <rguenther@suse.de>
30574
30575         PR tree-optimization/38503
30576         * cfgexpand.c (expand_gimple_basic_block): Ignore
30577         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
30578         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
30579         variables that cannot have TBAA applied.
30580         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
30581         statements.
30582
30583 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
30584
30585         PR middle-end/38969
30586         * calls.c (initialize_argument_information): Do not wrap complex
30587         arguments in SAVE_EXPR.
30588
30589 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
30590
30591         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
30592         (INSTALL_LIBGCC): Revert typo commit.
30593
30594 2009-01-26  Richard Guenther  <rguenther@suse.de>
30595
30596         PR tree-optimization/38745
30597         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
30598         from special handling.
30599
30600 2009-01-26  Richard Guenther  <rguenther@suse.de>
30601
30602         PR tree-optimization/38745
30603         * tree-ssa.c (execute_update_addresses_taken): Do not include
30604         variables that cannot possibly be a register in not_reg_needs.
30605         Do not clear TREE_ADDRESSABLE on vars that may not become
30606         registers.
30607         * tree-ssa.c (update_alias_info_1): Include those in the set
30608         of addressable vars.
30609
30610 2009-01-26  Richard Guenther  <rguenther@suse.de>
30611
30612         PR middle-end/38851
30613         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
30614         * tree-ssa-dse.c: Include langhooks.h
30615         (execute_simple_dse): Remove stores with zero size.
30616
30617 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
30618
30619         PR c/38957
30620         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
30621         as PLUS_EXPR.
30622
30623 2009-01-24  Julian Brown  <julian@codesourcery.com>
30624
30625         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
30626         config/arm/linux-atomic.c.
30627         * config/arm/linux-atomic.c: New.
30628
30629 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
30630
30631         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
30632         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
30633         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
30634
30635 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
30636
30637         PR c/38938
30638         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
30639         properly.
30640
30641 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
30642
30643         PR tree-optimization/38953
30644         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
30645         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
30646         (gloog): Split the exit of the scop when the scop exit is a loop exit.
30647         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
30648         changed the CFG.
30649
30650 2009-01-24  Paul Brook  <paul@codesourcery.com>
30651
30652         * config/arm/neon.md (neon_type): Move to arm.md.
30653         (neon_mov<VSTRUCT>): Add neon_type attribute.
30654         * config/arm/arm.md (neon_type): Move to here.
30655         (conds): Add "unconditioal" and use as default for NEON insns.
30656
30657 2009-01-24  Ben Elliston  <bje@au.ibm.com>
30658
30659         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
30660         void *' warning from -Wc++-compat.
30661         * Makefile.in (dominance.o-warn): Remove.
30662
30663 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
30664
30665         PR tree-optimization/38932
30666         * fold-const.c (fold_unary_ignore_overflow): New.
30667         * tree.h (fold_unary_ignore_overflow): Declare.
30668         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
30669         * tree-ssa-sccvn.c (visit_reference_op_load,
30670         simplify_unary_expression): Likewise.
30671
30672 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
30673
30674         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
30675         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
30676         regardless of their type.
30677         * c-common.c (handle_packed_attribute): Don't ignore packed on
30678         bitfields.
30679         * c.opt (Wpacked-bitfield-compat): New warning option.
30680         * stor-layout.c (place_field): Warn if offset of a field changed.
30681         * doc/extend.texi (packed): Mention the ABI change.
30682         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
30683         (Warning Options): Add it to the list.
30684
30685 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
30686
30687         * c-opts.c (c_common_post_options): Fix a typo in comments.
30688
30689 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
30690
30691         PR middle-end/38615
30692         * gimplify.c (gimplify_init_constructor): Fix promotion of const
30693         variables to static.
30694         * doc/invoke.texi (-fmerge-all-constants): Update description.
30695
30696 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
30697
30698         PR target/38931
30699         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
30700         (*movdi_1_rex64): Use type "mmx" for alternative 5.
30701
30702 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
30703
30704         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
30705         a word boundary.
30706         (LOCAL_ALIGNMENT): Similarly.
30707
30708 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
30709             Joseph Myers  <joseph@codesourcery.com>
30710
30711         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
30712         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
30713         * config/arm/arm-tune.md: Regenerate.
30714         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
30715         -march=iwmmxt2.
30716
30717 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
30718
30719         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
30720         version number to five.
30721
30722 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
30723
30724         PR c++/38930
30725         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
30726         * c-common.c (set_underlying_type): Likewise.
30727         (is_typedef_decl ): Likewise
30728         * tree.h: Likewise
30729         (set_underlying_type): Likewise.
30730         (is_typedef_type): Likewise.
30731
30732 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
30733
30734         PR middle-end/38587
30735         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
30736         crossing setjmps.
30737
30738 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
30739
30740         PR bootstrap/37660
30741         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
30742         (LIBGCC_SPEC):  Don't define.
30743         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
30744
30745 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
30746
30747         PR rtl-optimization/38879
30748         * alias.c (base_alias_check): Unaligned access via AND address can
30749         alias all surrounding object types except those with sizes equal
30750         or wider than the size of unaligned access.
30751
30752 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
30753
30754         PR c++/26693
30755         * c-decl.c (clone_underlying_type): Move this ...
30756         * c-common.c (set_underlying_type): ... here.
30757         Also, make sure the function properly sets TYPE_STUB_DECL() on
30758         the newly created typedef variant type.
30759         (is_typedef_decl ): New entry point.
30760         * tree.h: Added a new member member_types_needing_access_check to
30761         struct tree_decl_non_common.
30762         (set_underlying_type): New entry point.
30763         (is_typedef_type): Likewise.
30764
30765 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
30766
30767         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
30768         Check whether two instructions have memory references that
30769         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
30770         are helper functions for traversing.
30771         * alias.h (insn_alias_sets_confilict_p): New prototypes.
30772         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
30773         not to draw dependency edge for instructions with non-conflicting
30774         alias sets.
30775
30776 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
30777
30778         PR other/38758
30779         * longlong.h: Update copyright years.  Use soft-fp license notice.
30780         Sync __clz_tab declaration with glibc.
30781
30782 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
30783
30784         PR target/30687
30785         * doc/extend.texi (syscall_linkage): New.
30786         (version_id): Modify.
30787
30788 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
30789             Richard Guenther  <rguenther@suse.de>
30790
30791         PR tree-optimization/38747
30792         PR tree-optimization/38748
30793         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
30794         conversion if the base address is an indirect reference and the
30795         aliasing sets could cause issues.
30796
30797 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
30798
30799         * common.opt (fgraphite, fgraphite-identity): Add comment for
30800         explaining why these options are not documented.
30801
30802 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
30803
30804         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
30805         gimple_call_lhs is NULL.
30806
30807 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
30808
30809         PR target/38868
30810         * emit-rtl.c (adjust_address_1): Make sure memref is never
30811         overwritten.
30812
30813 2009-01-20  Ben Elliston  <bje@au.ibm.com>
30814
30815         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
30816         const qualifier from arg parameter. Remove unnecessary cast to char *.
30817         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
30818         const qualifier from arg 2.
30819
30820 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
30821
30822         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
30823
30824 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
30825
30826         PR c/38869
30827         * rtl.h (reinit_regs): New prototype.
30828         * regclass.c: Include ira.h.
30829         (reinit_regs): New.
30830         * Makefile.in (regclass.o): Add ira.h.
30831         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
30832
30833 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
30834
30835         PR target/38736
30836         * c-common.c (handle_aligned_attribute): Use
30837         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
30838         default alignment value.
30839
30840         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
30841
30842         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
30843         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
30844
30845         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
30846         __BIGGEST_ALIGNMENT__.
30847
30848         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
30849
30850 2009-01-18  Richard Guenther  <rguenther@suse.de>
30851
30852         PR tree-optimization/38819
30853         * tree-flow.h (operation_could_trap_helper_p): Declare.
30854         * tree-eh.c (operation_could_trap_helper_p): Export.
30855         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
30856         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
30857         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
30858         are about to insert a possibly trapping instruction and fail
30859         in this case.
30860
30861 2009-01-18  Andreas Schwab  <schwab@suse.de>
30862
30863         * doc/install.texi (Configuration): Remove obsolete paragraph
30864         about use of --with-gnu-ld with --with-gnu-as.
30865
30866 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
30867
30868         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
30869         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
30870         Follow spelling conventions.
30871
30872 2009-01-18  Ben Elliston  <bje@au.ibm.com>
30873
30874         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
30875         C++ warning about implicit conversion from void * to struct
30876         bitmap_head_def *.
30877         (bitmap_obstack_free): Likewise for bitmap_element *.
30878         * Makefile.in (bitmap.o-warn): Remove.
30879
30880 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
30881
30882         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
30883
30884 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
30885             Tobias Grosser  <tobi.grosser@amd.com>
30886
30887         * graphite.c (graphite_trans_scop_block): Do not block single
30888         nested loops.
30889
30890 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
30891
30892         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
30893         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
30894         test with assertion.
30895
30896 2009-01-16  Richard Guenther  <rguenther@suse.de>
30897
30898         PR tree-optimization/38835
30899         PR middle-end/36227
30900         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
30901         and INT + PTR -> (INT)(PTR p+ INT) folding.
30902         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
30903
30904 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
30905
30906         PR target/38554
30907         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
30908         the subreg from a lowpart subreg if it is also casting the value.
30909
30910 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
30911             Tobias Grosser  <tobi.grosser@amd.com>
30912
30913         * graphite.c (compare_prefix_loops): New.
30914         (build_scop_canonical_schedules): Rewritten.
30915         (graphite_transform_loops): Move build_scop_canonical_schedules
30916         after build_scop_iteration_domain.
30917
30918 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
30919             Tobias Grosser  <tobi.grosser@amd.com>
30920
30921         * graphite.c (add_conditions_to_domain): Add the loops to
30922         the dimension of the iteration domain.  Do copy the domain
30923         only when it exists.
30924         (build_scop_conditions_1): Do not call add_conditions_to_domain.
30925         (add_conditions_to_constraints): New.
30926         (can_generate_code_stmt, can_generate_code): Removed.
30927         (gloog): Do not call can_generate_code.
30928         (graphite_transform_loops): Call add_conditions_to_constraints
30929         after building the iteration domain.
30930
30931 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
30932
30933         PR tree-optimization/38789
30934         * tree-ssa-threadedge.c
30935         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
30936         __builtin_constant_p.
30937
30938 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
30939
30940         * dce.c (delete_unmarked_insns): Reversed the order that insns are
30941         examined before deleting them.
30942
30943 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
30944
30945         * function.c (aggregate_value_p): Correctly extract the function
30946         type from CALL_EXPR_FN lookup.
30947
30948 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
30949
30950         * config/picochip/picochip.c (picochip_override_options): Revert
30951         CFI asm flag disable commited previously.
30952
30953 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
30954             Tobias Grosser  <tobi.grosser@amd.com>
30955             Jan Sjodin  <jan.sjodin@amd.com>
30956
30957         * graphite.c (scan_tree_for_params): On substractions negate
30958         all the coefficients of the term.
30959         (clast_to_gcc_expression_red): New.  Handle reduction expressions
30960         of more than two operands.
30961         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
30962         (get_vdef_before_scop): Handle also the case of default definitions.
30963
30964 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
30965
30966         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
30967         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
30968         Also use them when walking CALL_INSN_FUNCTION_USAGE.
30969
30970 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
30971             Joey Ye  <joey.ye@intel.com>
30972
30973         PR middle-end/37843
30974         * cfgexpand.c (expand_stack_alignment): Don't update stack
30975         boundary nor check incoming stack boundary here.
30976         (gimple_expand_cfg): Update stack boundary and check incoming
30977         stack boundary here.
30978
30979 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
30980
30981         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
30982
30983 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
30984
30985         PR rtl-optimization/38245
30986         * calls.c (expand_call): Add stack arguments to
30987         CALL_INSN_FUNCTION_USAGE even for pure calls (when
30988         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
30989         in regs and partially in memory or BLKmode arguments.
30990         (emit_library_call_value_1): Add stack arguments to
30991         CALL_INSN_FUNCTION_USAGE even for pure calls (when
30992         ACCUMULATE_OUTGOING_ARGS).
30993         * dce.c: Include tm_p.h.
30994         (find_call_stack_args): New function.
30995         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
30996         argument.
30997         (mark_insn): Call find_call_stack_args for CALL_Ps.
30998         (prescan_insns_for_dce): Walk insns backwards in bb rather than
30999         forwards.  Allocate and free arg_stores bitmap if needed, pass it
31000         down to deletable_insn_p, don't mark stores set in arg_stores
31001         bitmap, clear the bitmap at the beginning of each bb.
31002         * Makefile.in (dce.o): Depend on $(TM_P_H).
31003
31004 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
31005
31006         PR target/22599
31007         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
31008         to make sure the insn is a conditional test (bug 22599).  Reformat a
31009         few long lines.
31010
31011 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
31012
31013         PR middle-end/38431
31014         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
31015         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
31016         (gloog): Do not call cleanup_tree_cfg.
31017         (graphite_transform_loops): Call cleanup_tree_cfg after all
31018         scops have been code generated.
31019
31020 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
31021         * doc/gty.texi (Invoking the garbage collector): Added new node
31022         and section documenting ggc_collect.
31023
31024 2009-01-14  Richard Guenther  <rguenther@suse.de>
31025
31026         PR tree-optimization/38826
31027         PR middle-end/38477
31028         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
31029         initialization notes only if we actually emitted a warning.
31030         (intra_create_variable_infos): Add constraints for a result decl
31031         that is passed by hidden reference.
31032         (build_pred_graph): Mark all related variables non-direct on
31033         address-taking.
31034
31035 2009-01-14  Nick Clifton  <nickc@redhat.com>
31036
31037         * ira-conflicts.c: Include addresses.h for the definition of
31038         base_reg_class.
31039         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
31040         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
31041
31042 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
31043
31044         PR target/38811
31045         * Makefile.in (ira-lives.o): Add except.h.
31046
31047         * ira-lives.c: Include except.h.
31048         (process_bb_node_lives): Process can_throw_internal.
31049
31050 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
31051
31052         PR rtl-optimization/38774
31053         * combine.c (simplify_set): When undoing cc_use change, don't do
31054         PUT_CODE on the newly created comparison, but instead put back the
31055         old comparison.
31056
31057 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
31058
31059         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
31060         values.  Remove duplicate arm8 entry.
31061
31062 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
31063
31064         PR tree-optimization/38786
31065         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
31066         the SSA_NAME case of expand_scalar_variables_expr.
31067         Set the type of an expression to the type of its assign statement.
31068         (expand_scalar_variables_expr): Also gather the scalar computation
31069         used to index the memory access.  Do not pass loop_p.
31070         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
31071         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
31072         the gimple_stmt_iterator where it inserts new code.
31073         Do not pass loop_p.
31074         (copy_bb_and_scalar_dependences): Do not pass loop_p.
31075         (translate_clast): Update call to copy_bb_and_scalar_dependences.
31076
31077 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
31078
31079         * graphite.h (debug_value): Removed.
31080         * graphite.c (debug_value): Removed.
31081
31082 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
31083
31084         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
31085         ldrd/strd with two 32-bit instructions.
31086
31087 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
31088
31089         * config/arm/arm.c (struct processors): Pass for speed down into
31090         cost helper functions.
31091         (const_ok_for_op): Handle COMPARE and inequality nodes.
31092         (arm_rtx_costs_1): Rewrite.
31093         (arm_size_rtx_costs): Update prototype.
31094         (arm_rtx_costs): Pass speed down to helper functions.
31095         (arm_slowmul_rtx_costs): Rework cost calculations.
31096         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
31097         (arm_9e_rtx_costs): Likewise.
31098
31099 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
31100
31101         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
31102         relocations of local symbols wider than UNITS_PER_WORD are not valid.
31103         (alpha_legitimize_address): Do not split local symbols wider than
31104         UNITS_PER_WORD into HIGH/LO_SUM parts.
31105
31106 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
31107
31108         PR bootstrap/38580
31109         * gcc.c (process_command): Replace call to execvp with calls
31110         to pex_one and exit.
31111
31112 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
31113
31114         PR target/29141
31115         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
31116         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
31117         variant for devices with 3-byte PC.
31118         (__tablejump_elpm__): New.
31119
31120 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
31121
31122         PR c/32041
31123         * c-parser.c (c_parser_postfix_expression): Allow `->' in
31124         offsetof member-designator, handle it as `[0].'.
31125
31126 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31127
31128         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
31129         function when not using named sections on targets with named sections
31130         if branch distance is less than 262132.
31131
31132 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
31133
31134         * combine.c (combine_instructions):  Recompute
31135         optimize_this_for_speed_p  for each BB in the main combine loop.
31136
31137 2009-01-12  Tomas Bily  <tbily@suse.cz>
31138
31139         PR middlend/38385
31140         * tree-loop-distribution.c (prop_phis): New function.
31141         (generate_builtin): Call prop_phis.
31142
31143 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
31144
31145         PR tree-optimization/38807
31146         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
31147         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
31148
31149 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
31150
31151         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
31152         subreg of op0 to the original op0.
31153
31154 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
31155
31156         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
31157
31158 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
31159
31160         PR debug/7055
31161         * mips-tfile.c (parse_def): Fix parsing of def strings
31162         starting with digits.
31163
31164 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
31165
31166         PR target/38695
31167         * config/arm/arm.c (arm_is_long_call_p): Don't call
31168         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
31169
31170 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
31171
31172         * regrename.c (regrename_optimize): Fix dumping.
31173         (find_oldest_value_reg): Preserve REG_POINTER.
31174         (copy_hardreg_forward_1): Likewise.
31175
31176 2009-01-09  Diego Novillo  <dnovillo@google.com>
31177
31178         * gimple.h (struct gimple_statement_base) <uid>: Document
31179         the restrictions on its use.
31180         (gimple_uid): Tidy.
31181         (gimple_set_uid): Tidy.
31182
31183 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
31184
31185         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
31186         zero guard even if align_bytes != 0 and count is smaller than
31187         size_needed.
31188
31189 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
31190
31191         PR rtl-optimization/38495
31192         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
31193         (add_range_and_copies_from_move_list): Print all added ranges.
31194         Add ranges to memory optimized destination.
31195
31196 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
31197
31198         PR target/38686
31199         PR target/38708
31200         * config/i386/i386.c (override_options): Reject
31201         -mstringop-strategy=rep_8byte with -m32.
31202         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
31203         to 1.  Do count comparison against epilogue_size_needed at compile
31204         time even when count_exp was constant forced into register.  For
31205         size_needed don't jump to epilogue, instead just avoid aligning
31206         and invoke the body algorithm.  If need_zero_guard, add zero guard
31207         even if count is non-zero, but smaller than size_needed + number of
31208         bytes that could be stored for alignment.
31209         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
31210         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
31211         but smaller than size_needed + number of bytes that could be stored
31212         for alignment.  Compare size_needed with epilogue_size_needed instead
31213         of desired_align - align, don't adjust size_needed, pass
31214         epilogue_size_needed to the epilogue expanders.
31215
31216         PR c/35742
31217         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
31218
31219 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31220
31221         * pa.c (last_address): Change to unsigned.
31222         (update_total_code_bytes): Change argument to unsigned.  Don't
31223         check if insn addresses are set.
31224         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
31225         addresses are not set.
31226         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
31227
31228 2009-01-09  Nick Clifton  <nickc@redhat.com>
31229
31230         * config/sh/symbian.c: Replace uses of DECL_INLINE with
31231         DECL_DECLARED_INLINE_P.
31232
31233 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
31234
31235         PR middle-end/38347
31236         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
31237         GET_MODE (op0) in operand_subword_force calls.
31238
31239         PR middle-end/38771
31240         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
31241         fold_convert arg0 operands to TREE_TYPE (op0) first.
31242
31243 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
31244
31245         * params.def (ira-max-conflict-table-size): Decrease default value
31246         to 1000.
31247
31248 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
31249
31250         PR tree-optimization/37031
31251         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
31252         on parameter_set.
31253         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
31254         allocate it using gc instead of heap, use VEC_quick_push instead of
31255         VEC_safe_push.
31256         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
31257         instead of heap, use VEC_quick_push instead of VEC_safe_push.
31258         * tree-data-ref.h (struct access_matrix): Change matrix to gc
31259         allocated vector from heap allocated.
31260         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
31261         * tree-loop-linear.c (linear_transform_loops): Allocate nest
31262         vector only after perfect_loop_nest_depth call.
31263
31264 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
31265             Jan Sjodin  <jan.sjodin@amd.com>
31266
31267         PR tree-optimization/38559
31268         * graphite.c (debug_value, copy_constraint,
31269         swap_constraint_variables, scale_constraint_variable, ): New.
31270         (get_lower_bound, get_upper_bound): Removed.
31271         (graphite_trans_bb_strip_mine): Clean up this code that works
31272         only for constant number of iterations.  Fully copy upper and
31273         lower bound constraints, not only the constant part of them.
31274         * graphite.h (debug_value): Declared.
31275
31276 2009-01-08  Ira Rosen  <irar@il.ibm.com>
31277
31278         PR tree-optimization/37194
31279         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
31280         Don't add the cost of cost model guard in prologue to scalar
31281         outside cost in case of known number of iterations.
31282
31283 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
31284             Alan Modra  <amodra@bigpond.net.au>
31285
31286         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
31287         non-word-aligned REG+CONST addressing.
31288
31289 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
31290
31291         PR target/38706
31292         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
31293         free_after_compilation when outputting a thunk.
31294         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
31295         Do not call free_after_compilation here.
31296
31297 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
31298
31299         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
31300         (ix86_valid_target_attribute_inner_p): Ditto.
31301
31302 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
31303
31304         PR tree-optimization/38492
31305         PR tree-optimization/38498
31306         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
31307         * tree-chrec.h (scev_is_linear_expression): Declared.
31308         * graphite.c (graphite_cannot_represent_loop_niter): New.
31309         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
31310         (graphite_loop_normal_form): Use gcc_assert.
31311         (scan_tree_for_params): Use CASE_CONVERT.
31312         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
31313         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
31314         Use gcc_assert.  Discard scops that contain unhandled cases.
31315         (build_scop_conditions): Return a boolean status for unhandled cases.
31316         (strip_mine_profitable_p): Print the loop number, not its depth.
31317         (is_interchange_valid): Pass the depth of the loop nest, don't
31318         recompute it wrongly.
31319         (graphite_trans_bb_block): Same.
31320         (graphite_trans_bb_block): Print tentative of loop blocking.
31321         (graphite_trans_scop_block): Do not print that the loop has been
31322         blocked.
31323         (graphite_transform_loops): Do not handle scops that contain condition
31324         scalar phi nodes.
31325
31326 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
31327
31328         AVX Programming Reference (December, 2008)
31329         * config/i386/avxintrin.h (_mm256_stream_si256): New.
31330         (_mm256_stream_pd): Likewise.
31331         (_mm256_stream_ps): Likewise.
31332
31333         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
31334         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
31335         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
31336         (bdesc_special_args): Add __builtin_ia32_movntdq256,
31337         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
31338         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
31339         (ix86_expand_special_args_builtin): Likewise.
31340
31341         * config/i386/sse.md (AVXMODEDI): New.
31342         (avx_movnt<mode>): Likewise.
31343         (avx_movnt<mode>): Likewise.
31344         (<sse>_movnt<mode>): Remove AVX support.
31345         (sse2_movntv2di): Likewise.
31346
31347 2009-01-07  Richard Guenther  <rguenther@suse.de>
31348
31349         PR middle-end/38751
31350         * fold-const.c (extract_muldiv): Remove obsolete comment.
31351         (fold_plusminus_mult_expr): Undo MINUS_EXPR
31352         to PLUS_EXPR canonicalization for the canonicalization.
31353
31354 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
31355
31356         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
31357         hosted cross-compilers generating less efficient code.
31358
31359 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
31360
31361         * function.h (rtl_data): Add a dbr_scheduled_p field.
31362         * reorg.c (dbr_schedule): Set it.
31363         (gate_handle_delay_slots): Check it.
31364         * config/mips/mips.c (mips_base_delayed_branch): Delete.
31365         (mips_reorg): Check flag_delayed_branch instead of
31366         mips_base_delayed_branch.
31367         (mips_override_options): Don't set mips_base_delayed_branch
31368         or flag_delayed_branch.
31369
31370 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
31371
31372         PR rtl-optimization/38426.
31373         * ira.c (ira): Set current_function_is_leaf earlier.
31374
31375 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
31376
31377         PR rtl-optimization/38722
31378         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
31379         too early, only set a flag and modify after last possible
31380         undo_all point.
31381
31382 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
31383
31384         PR c/34252
31385         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
31386         * real.c (decimal_single_format): Correct values of emin and emax.
31387         (decimal_double_format): Ditto.
31388         (decimal_quad_format): Ditto.
31389         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
31390         computation of DECnn_MIN and DECnn_MAX for corrected values of
31391         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
31392         __DECnn_MIN__, and adjust its computation for the corrected value
31393         of emin.
31394
31395 2009-01-06  Jan Hubicka  <jh@suse.cz>
31396
31397         PR target/38744
31398         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
31399
31400 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
31401
31402         * doc/contrib.texi (Contributors): Slightly adjust the end note.
31403         Add Robert Clark to the list of testers.
31404
31405 2009-01-06  Jan Hubicka  <jh@suse.cz>
31406             Kai Tietz  <kai.tietz@onevision.com>
31407
31408         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
31409         * config/i386/i386.c (ix86_expand_call): Add clobbers.
31410
31411 2009-01-06  Jan Hubicka  <jh@suse.cz>
31412             Kai Tietz  <kai.tietz@onevision.com>
31413
31414         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
31415         for w64 ABI.
31416         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
31417         (ix86_nsaved_regs): Count only general purpose regs.
31418         (ix86_nsaved_sseregs): New.
31419         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
31420         to 16 for w64; compute padding and size of sse reg save area.
31421         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
31422         general purpose regs.
31423         (ix86_emit_save_sse_regs_using_mov): New.
31424         (ix86_expand_prologue): Save SSE regs if needed.
31425         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
31426         (ix86_emit_restore_sse_regs_using_mov): New.
31427         (ix86_expand_epilogue): Save SSE regs if needed.
31428
31429 2009-01-06  Jan Hubicka  <jh@suse.cz>
31430             Kai Tietz  <kai.tietz@onevision.com>
31431
31432         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
31433         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
31434         functions when accumulate outgoing args is off.
31435
31436 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
31437
31438         PR bootstrap/38742
31439         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
31440         before using pseudos_have_intersected_live_ranges_p.
31441
31442         * ira-int.h (ira_assert): Always define.
31443
31444 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
31445
31446         AVX Programming Reference (December, 2008)
31447         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
31448         (_mm256_permute2_pd): Likewise.
31449         (_mm_permute2_ps): Likewise.
31450         (_mm256_permute2_ps): Likewise.
31451         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
31452         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
31453
31454         * config/i386/i386.c (ix86_builtins): Remove
31455         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
31456         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
31457         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
31458         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
31459         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
31460         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
31461         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
31462         __builtin_ia32_vpermil2ps256.
31463         (ix86_init_mmx_sse_builtins): Updated.
31464         (ix86_expand_args_builtin): Likewise.
31465
31466 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31467
31468         * pa.c (output_call): Relocate non-jump insns in the delay slot of
31469         long absolute calls when generating PA 2.0 code.
31470
31471 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
31472
31473         PR rtl-optimization/38583
31474         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
31475
31476         * params.def (ira-max-conflict-table-size): New.
31477
31478         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
31479
31480         * ira.h (ira_conflicts_p): New external definition.
31481
31482         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
31483         table.  Report this.  Return result of building.
31484         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
31485         building conflict table.
31486
31487         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
31488         (ira_color): Use ira_conflicts_p.
31489
31490         * global.c: Include ira.h.
31491         (pseudo_for_reload_consideration_p, build_insn_chain): Use
31492         ira_conflicts_p.
31493
31494         * Makefile.in (global.o): Add ira.h.
31495
31496         * ira-build.c (mark_all_loops_for_removal,
31497         propagate_some_info_from_allocno): New.
31498         (remove_unnecessary_allocnos): Call
31499         propagate_some_info_from_allocno.
31500         (remove_low_level_allocnos): New.
31501         (remove_unnecessary_regions): Add parameter.  Call
31502         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
31503         parameter to remove_unnecessary_regions.
31504         (ira_build): Remove all regions but root if the conflict table was
31505         not built.  Update conflict hard regs for allocnos crossing calls.
31506
31507         * ira.c (ira_conflicts_p): New global.
31508         (ira): Define and use ira_conflicts_p.
31509
31510         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
31511         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
31512         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
31513
31514 2009-01-06  Ben Elliston  <bje@au.ibm.com>
31515
31516         * gengtype-lex.l (YY_NO_INPUT): Define.
31517
31518 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
31519
31520         PR c/34911
31521         * c-common.c (handle_vector_size_attribute): Also reject
31522         BOOLEAN_TYPE types.
31523
31524 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
31525
31526         PR tree-optimization/38492
31527         * graphite.c (rename_map_elt, debug_rename_elt,
31528         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
31529         rename_map_elt_info, eq_rename_map_elts,
31530         get_new_name_from_old_name, bb_in_sese_p): Moved around.
31531         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
31532         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
31533         (sese_build_livein_liveouts): New.
31534         (new_sese, free_sese): New.
31535         (new_scop): Call new_sese.
31536         (free_scop): Call free_sese.
31537         (rename_variables_from_edge, rename_phis_end_scop): Removed.
31538         (register_old_new_names): Renamed register_old_and_new_names.
31539         (register_scop_liveout_renames, add_loop_exit_phis,
31540         insert_loop_close_phis, struct igp,
31541         default_liveout_before_guard, add_guard_exit_phis,
31542         insert_guard_phis, copy_renames): New.
31543         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
31544         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
31545         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
31546         (scop_adjust_phis_for_liveouts): New.
31547         (gloog): Call scop_adjust_phis_for_liveouts.
31548
31549         * graphite.h (struct sese): Documented.  Added fields liveout,
31550         num_ver and livein.
31551         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
31552         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
31553         (struct scop): Added field liveout_renames.
31554         (SCOP_LIVEOUT_RENAMES): New.
31555
31556 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
31557
31558         PR tree-optimization/38510
31559         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
31560         (translate_clast): Call recompute_all_dominators before
31561         graphite_verify.
31562         (gloog): Call recompute_all_dominators before graphite_verify.
31563
31564 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
31565             Jan Sjodin  <jan.sjodin@amd.com>
31566
31567         PR tree-optimization/38500
31568         * graphite.c (create_sese_edges): Call fix_loop_structure after
31569         splitting blocks.
31570
31571 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
31572
31573         * config.gcc: Add m32r*-*-rtems*.
31574         * config/m32r/rtems.h: New file.
31575
31576 2009-01-05  Ben Elliston  <bje@au.ibm.com>
31577
31578         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
31579         (.po.pox): Likewise.
31580         (po/gcc.pot): Likewise.
31581
31582 2009-01-04  David S. Miller  <davem@davemloft.net>
31583
31584         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
31585         (STARTING_FRAME_OFFSET): Always set to zero.
31586
31587 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
31588
31589         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
31590         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
31591         fixed-point types, and vectors of the same.
31592
31593 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
31594
31595         * config/mips/sync.md (*mb_barrier): Rename to...
31596         (*memory_barrier): ...this.
31597
31598 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
31599
31600         * doc/extend.texi (Function Attributes): Move @cindex after @item
31601         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
31602         and put in alphabetical order. Fix 'target' name and put in order.
31603         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
31604         typos.
31605
31606 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
31607
31608         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
31609         (memory_barrier): Expand as unspec instead of unspec_volatile.
31610         Remove mem:BLK from insn operands.  Use Pmode scratch register.
31611         (*memory_barrier): Define as unspec instead of unspec_volatile.
31612         Use (match_dup 0) as input operand.
31613
31614         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
31615         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
31616         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
31617         scratch register.  Remove operand 1.
31618         (*stbar): Define as unspec instead of unspec_volatile.
31619         Use (match_dup 0) as input operand, remove (const_int 8).
31620         (*membar): Define as unspec instead of unspec_volatile.
31621         Use (match_dup 0) as input operand, remove input operand 2.
31622
31623         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
31624         (memory_barrier): Expand as unspec instead of unspec_volatile.
31625         Remove mem:BLK from insn operands.  Use Pmode scratch register.
31626         (*memory_barrier): Define as unspec instead of unspec_volatile.
31627         Use (match_dup 0) as input operand.
31628
31629         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
31630         Remove mem:BLK from insn operands.  Use Pmode scratch register.
31631         Set volatile flag on operand 0.
31632         (*memory_barrier): New insn pattern.
31633
31634         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
31635         insn operands.
31636         (*memory_barrier): Use (match_dup 0) as input operand.
31637
31638         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
31639         Remove mem:BLK from insn operands.  Use Pmode scratch register.
31640         Set volatile flag on operand 0.
31641         (*mb_internal): New insn pattern.
31642
31643         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
31644
31645 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
31646
31647         PR middle-end/38586
31648         * function.c (struct temp_slot): Move to the section of the file
31649         that deals with temp slots.  Remove field 'address'.
31650         (temp_slot_address_table): New hash table of address -> temp slot.
31651         (struct temp_slot_address_entry): New struct, items for the table.
31652         (temp_slot_address_compute_hash, temp_slot_address_hash,
31653         temp_slot_address_eq, insert_temp_slot_address): Support functions
31654         for the new table.
31655         (find_temp_slot_from_address): Rewrite to use the new hash table.
31656         (remove_unused_temp_slot_addresses): Remove addresses of temp
31657         slots that have been made available.
31658         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
31659         worker function for remove_unused_temp_slot_addresses.
31660         (assign_stack_temp_for_type): Don't clear the temp slot address list.
31661         Add the temp slot address to the address -> temp slot map.
31662         (update_temp_slot_address): Update via insert_temp_slot_address.
31663         (free_temp_slots): Call remove_unused_temp_slot_addresses.
31664         (pop_temp_slots): Likewise.
31665         (init_temp_slots): Allocate the address -> temp slot map, or empty
31666         the map if it is already allocated.
31667         (prepare_function_start): Initialize temp slot processing.
31668
31669 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
31670
31671         PR middle-end/38584
31672         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
31673         Calculate the size of all stack vars assuming no packing of stack
31674         vars will happen, replacing a quadratic algorithm with a linear one.
31675
31676 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
31677
31678         PR target/38707
31679         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
31680         can't be used.
31681
31682 2009-01-03  Diego Novillo  <dnovillo@google.com>
31683
31684         * doc/contrib.texi: Update contributions.
31685
31686 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
31687
31688         PR c++/38705
31689         * builtins.c (fold_builtin_memory_op): Give up if either operand
31690         is volatile.  Set srctype or desttype to non-qualified version
31691         of the other type.
31692
31693         PR c/38700
31694         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
31695         and FUNCTION_DECLs.
31696
31697 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
31698
31699         PR rtl-optimization/35805
31700         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
31701         problem if fast dce is able to remove any instructions.
31702         * dce.c (dce_process_block): Fix dump message.
31703
31704 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
31705
31706         PR 33649
31707         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
31708
31709 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
31710
31711         PR middle-end/38690
31712         * tree-flow.h (op_code_prio, op_prio): New prototypes.
31713         * tree-pretty-print.c (op_code_prio): New function.
31714         (op_prio): No longer static.  Use op_code_prio.
31715         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
31716         Use op_prio and op_code_prio to determine if () should be
31717         printed around operand(s) or not.
31718
31719         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
31720         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
31721         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
31722         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
31723         pp_character instead of pp_string for single letter printing.
31724
31725 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
31726
31727         * doc/extend.texi: Fix '#pragma GCC option' typo.
31728
31729 2009-01-02  Richard Guenther  <rguenther@suse.de>
31730
31731         * doc/install.texi (--enable-checking): Mention different
31732         default for stage1.
31733         (--enable-stage1-checking): Document.
31734
31735 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
31736
31737         PR middle-end/30142
31738         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
31739         case to be an error.
31740
31741 2009-01-02  Ben Elliston  <bje@au.ibm.com>
31742
31743         * config/fp-bit.h (pack_d): Constify argument.
31744         * config/fp-bit.c (makenan): Constify return type. Remove casts.
31745         (isnan): Constify argument.
31746         (isinf): Likewise.
31747         (iszero): Likewise.
31748         (pack_d): Likewise.
31749         (_fpadd_parts): Constify return type.
31750         (_fpmul_parts): Likewise.
31751         (_fpdiv_parts): Likewise.
31752
31753 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
31754
31755         PR c/36489
31756         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
31757         warn about overwriting initializer with side-effects or
31758         -Woverride-init if !IMPLICIT.
31759         (output_init_element): Likewise.  Pass IMPLICIT down to
31760         add_pending_init.
31761         (process_init_element): Add IMPLICIT argument.  Pass it down
31762         to output_init_element.
31763         (push_init_element, pop_init_level, set_designator): Adjust
31764         process_init_element callers.
31765         (set_nonincremental_init, set_nonincremental_init_from_string):
31766         Adjust add_pending_init callers.
31767         (output_pending_init_elements): Adjust output_init_element callers.
31768         * c-tree.h (process_init_element): Adjust prototype.
31769         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
31770         process_init_element callers.
31771
31772 \f
31773 Copyright (C) 2009 Free Software Foundation, Inc.
31774
31775 Copying and distribution of this file, with or without modification,
31776 are permitted in any medium without royalty provided the copyright
31777 notice and this notice are preserved.