1 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * gcc.c (display_help): Document --version.
5 * gcc.c (main): If print_help_list and verbose_flag, ensure
6 driver output comes before subprocess output.
8 * optc-gen.awk: Assign all remaining fields to help string,
9 space-separated, for multi-line help in *.opt.
11 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
12 -Wno-pedantic-ms-format is for MinGW targets only.
14 * doc/options.texi (Option file format): Fix bad indentation,
15 restoring dropped sentence.
17 2009-02-28 Jan Hubicka <jh@suse.cz>
19 * tree-inline.c (tree_function_versioning): Output debug info.
21 2009-02-28 Jan Hubicka <jh@suse.cz>
24 * tree-inline.c (setup_one_parameter): Do not copy propagate
25 arguments when not optimizing.
27 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
30 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
31 (avx_addsubv4df3): Likewise.
32 (*avx_addsubv4sf3): Likewise.
33 (sse3_addsubv4sf3): Likewise.
34 (*avx_addsubv2df3): Likewise.
35 (sse3_addsubv2df3): Likewise.
36 (avx_unpckhps256): Correct item selectors.
37 (avx_unpcklps256): Likewise.
38 (avx_unpckhpd256): Likewise.
39 (avx_unpcklpd256): Likewise.
41 2009-02-28 Jan Hubicka <jh@suse.cz>
43 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
45 (copy_arguments_for_versioning): If var is declared don't declare it.
46 (tree_function_versioning): First setup substitutions and then copy
49 2009-02-27 Jan Hubicka <jh@suse.cz>
52 * cgraph.h (varpool_output_debug_info): Remove.
53 * cgraphunit.c (varpool_output_debug_info): Remove.
54 * dwarf2out.c (deferred_locations_struct): New struct
55 (deferred_locations): New type.
56 (deferred_locations_list): New static var.
57 (deffer_location): New function.
58 (gen_variable_die): Use it.
59 (decls_for_scope): Output info on local static vars.
60 (dwarf2out_finish): Process deferred locations.
61 * varpool.c (varpool_output_debug_info): Remove.
63 2009-02-27 Jan Hubicka <jh@suse.cz>
66 * tree.h (TREE_PROTECTED): Fix comment.
67 (BLOCK_HANDLER_BLOCK): Remove.
68 (struct tree_block): Remove handler_block add body_block.
69 (inlined_function_outer_scope_p): New.
70 (is_body_block): Remove.
71 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
72 * dwarf2out.c (is_inlined_entry_point): Remove.
73 (add_high_low_attributes): Use inlined_function_outer_scope_p.
74 (gen_block_die): Use is_inlined_entry_point check. Remove body block
76 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
77 * gimplify.c (gimplify_expr): Gimplify body blocks.
78 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
79 block with multiple subblocks.
80 (dump_scope_block): Prettier output; dump more flags and info.
81 (dump_scope_blocks): New.
82 (remove_unused_locals): Use dump_scope_blocks.
83 * tree-flow.h (dump_scope_blocks): Declare.
84 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
85 * stmt.c (is_body_block): Remove.
86 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
87 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
89 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
92 * graphite.c (graphite_loop_normal_form): Do not call
93 number_of_iterations_exit from a gcc_assert.
95 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
97 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
98 jumps if COND is NULL.
99 (find_cond_jump): New function.
100 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
101 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
103 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
105 * config/alpha/alpha.h (alpha_expand_mov): Return false if
106 force_const_mem returns NULL_RTX.
108 2009-02-26 Jan Hubicka <jh@suse.cz>
111 * cgraph.h (varpool_output_debug_info): Remove.
112 * cgraphunit.c (varpool_output_debug_info): Remove.
113 * dwarf2out.c (deferred_locations_struct): New struct
114 (deferred_locations): New type.
115 (deferred_locations_list): New static var.
116 (deffer_location): New function.
117 (gen_variable_die): Use it.
118 (decls_for_scope): Output info on local static vars.
119 (dwarf2out_finish): Process deferred locations.
120 * varpool.c (varpool_output_debug_info): Remove.
122 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
124 PR rtl-optimization/39241
125 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
126 to subreg_offset_representable_p.
128 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
130 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
131 execute function prototype. Get f and nregs from max_reg_num
132 and get_insns. Remove the first backward pass as it's dead,
133 guard the forward pass by flag_expensive_optimizations.
134 (rest_of_handle_regmove): Delete.
135 (pass_regmove): Replace it with regmove_optimize.
137 2009-02-25 Martin Jambor <mjambor@suse.cz>
139 PR tree-optimization/39259
140 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
141 alls_alloca function flags.
142 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
145 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
147 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
148 flags_set_1_rtx, flags_set_1_set): Delete.
149 (regmove_optimize): Do not call mark_flags_life_zones.
151 2009-02-24 Julian Brown <julian@codesourcery.com>
154 * config/arm/arm.c (require_pic_register): Only set
155 cfun->machine->pic_reg once per function.
157 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
159 * doc/invoke.texi (Link Options): Document an easier way to pass
160 options that take arguments to the GNU linker using -Xlinker and -Wl.
162 2009-02-24 Steve Ellcey <sje@cup.hp.com>
165 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
167 2009-02-24 Richard Guenther <rguenther@suse.de>
170 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
172 2009-02-24 Richard Guenther <rguenther@suse.de>
173 Zdenek Dvorak <ook@ucw.cz>
175 PR tree-optimization/39233
176 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
177 from converting them to a generic type.
179 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
181 PR tree-optimization/39260
182 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
183 contains a condition with a real type.
184 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
186 2009-02-23 Jason Merrill <jason@redhat.com>
189 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
190 narrowing_initializer_constant_valid_p.
191 (narrowing_initializer_constant_valid_p): Don't return
192 null_pointer_node for adding a pointer to itself.
194 2009-02-23 Jan Hubicka <jh@suse.cz>
197 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
200 2009-02-23 Jan Hubicka <jh@suse.cz>
202 PR tree-optimization/37709
203 * tree.c (block_ultimate_origin): Move here from dwarf2out.
204 * tree.h (block_ultimate_origin): Declare.
205 * dwarf2out.c (block_ultimate_origin): Move to tree.c
206 * tree-ssa-live.c (remove_unused_scope_block_p):
207 Eliminate blocks containig no instructions nor live variables nor
209 (dump_scope_block): New function.
210 (remove_unused_locals): Enable removal of dead blocks by default;
211 enable dumping at TDF_DETAILS.
213 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
215 * config/i386/i386.c (classify_argument): Don't allow COImode
217 (function_arg_advance_32): Don't allow OImode.
218 (function_arg_32): Likewise.
219 (function_value_32): Likewise.
220 (return_in_memory_32): Likewise.
221 (function_arg_64): Remove OImode comment.
223 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
226 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
227 ix86_expand_vector_set for V4DImode in 64bit mode only.
228 (ix86_expand_vector_init_one_var): Likewise.
230 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
232 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
234 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
237 * loop-iv.c: Revert last change.
238 * emit-rtl.c: Likewise.
240 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
243 * config/i386/i386.c (type_natural_mode): Remove an extra
244 space in the warning message.
245 (function_value_32): Handle 32-byte vector modes.
246 (return_in_memory_32): Likewise.
248 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
250 * loop-iv.c (truncate_value): New function.
251 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
253 (lowpart_subreg): Move to...
254 * emit-rtl.c: ...here.
256 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
258 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
259 accidental and undocumented change at revision 140860.
261 2009-02-21 Joseph Myers <joseph@codesourcery.com>
263 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
264 take gimple_seq * arguments.
265 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
266 types_compatible_p langhook.
268 2009-02-20 Mark Mitchell <mark@codesourcery.com>
269 Joseph Myers <joseph@codesourcery.com>
271 * config/arm/arm.c (arm_builtin_va_list): New function.
272 (arm_expand_builtin_va_start): Likewise.
273 (arm_gimplify_va_arg_expr): Likewise.
274 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
275 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
276 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
277 (va_list_type): New variable.
278 (arm_mangle_type): Mangle va_list_type appropriately.
280 2009-02-20 Jakub Jelinek <jakub@redhat.com>
283 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
284 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
285 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
286 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
287 parameter to 1000 for -O1 by default.
288 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
290 * loop-invariant.c: Include params.h.
291 (move_loop_invariants): Don't call move_single_loop_invariants on
294 2009-02-20 Jaka Mocnik <jaka@xlab.si>
296 * calls.c (emit_library_call_value_1): Use slot_offset instead of
297 offset when calculating bounds for indexing stack_usage_map. Fixes
298 a buffer overflow with certain target setups.
300 2009-02-20 Jakub Jelinek <jakub@redhat.com>
303 * calls.c (expand_call): Clear try_tail_call if caller and callee
304 disagree in promotion of function return value.
306 2009-02-19 Jakub Jelinek <jakub@redhat.com>
309 * c-common.c (c_determine_visibility): If visibility changed and
310 DECL_RTL has been already set, call make_decl_rtl to update symbol
313 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
316 * varasm.c (assemble_variable): Don't check DECL_NAME when
317 globalizing a variable.
319 2009-02-19 Joseph Myers <joseph@codesourcery.com>
322 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
323 expression before any __builtin_trap call.
324 * c-typeck.c (build_function_call): Convert and check function
325 arguments before generating a call to a trap. Evaluate the
326 function arguments before the trap.
328 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
331 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
332 (UNSPEC_FXAM_MEM): New unspec.
333 (fxam<mode>2_i387_with_temp): New insn and split pattern.
334 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
335 memory using fxam<mode>2_i387_with_temp to remove excess precision.
337 2009-02-19 Richard Guenther <rguenther@suse.de>
339 PR tree-optimization/39207
340 PR tree-optimization/39074
341 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
342 storedanything_tree): New.
343 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
344 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
345 (build_succ_graph): Add edges from STOREDANYTHING to all
347 (init_base_vars): Initialize STOREDANYTHING.
348 (compute_points_to_sets): Free substitution info after
349 building the succ graph.
350 (ipa_pta_execute): Likewise.
352 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
354 (do_ds_constraint): Do not add to special var or non-pointer
356 (type_could_have_pointers): Split out from ...
357 (could_have_pointers): ... here. For arrays use the element type.
358 (create_variable_info_for): Initialize may_have_pointers.
359 (new_var_info): Likewise.
360 (handle_lhs_call): Make the HEAP variable unknown-sized.
361 (intra_create_variable_infos): Use a type with pointers for
362 PARM_NOALIAS, make it unknown-sized.
364 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
367 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
369 2009-02-18 Jason Merrill <jason@redhat.com>
372 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
373 value if DECL_EXTERNAL.
374 * tree-sra.c (sra_walk_gimple_assign): Likewise.
375 * target.h (gcc_target::binds_local_p): Clarify "module".
376 * tree.h (TREE_PUBLIC): Clarify "module".
378 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
381 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
382 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
384 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
387 * c.opt (Wabi): Support C and ObjC.
390 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
392 * config/i386/i386.c (classify_argument): Warn once about the ABI
393 change when passing union with long double.
395 * doc/invoke.texi: Update -Wabi for warning psABI changes.
397 2009-02-18 Joseph Myers <joseph@codesourcery.com>
400 * c-parser.c (c_parser_compound_statement): Always enter and leave
403 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
406 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
408 2009-02-18 Jakub Jelinek <jakub@redhat.com>
410 PR tree-optimization/36922
411 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
412 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
415 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
417 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
420 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
422 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
424 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
426 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
429 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
430 Richard Sandiford <rdsandiford@googlemail.com>
432 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
433 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
434 (loongson_biadd): ...this.
436 2009-02-17 Richard Guenther <rguenther@suse.de>
438 PR tree-optimization/39202
439 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
440 a var make sure to follow existing collapses.
442 2009-02-17 Richard Guenther <rguenther@suse.de>
445 * langhooks.c (lhd_print_error_function): Check for NULL block.
447 2009-02-17 Richard Guenther <rguenther@suse.de>
449 PR tree-optimization/39204
450 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
453 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
455 * config/soft-fp/double.h: Update from glibc CVS.
457 2009-02-17 Richard Guenther <rguenther@suse.de>
459 PR tree-optimization/39207
460 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
461 strict-aliasing warnings for pointers pointing to NULL.
463 2009-02-16 Joseph Myers <joseph@codesourcery.com>
466 * c-parser.c (c_parser_braced_init): Call pop_init_level when
467 skipping until next close brace.
469 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
472 * config/i386/i386.c (ix86_expand_push): Set memory alignment
473 to function argument boundary.
475 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
477 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
478 in the lea_add. Reload eventually constraints it properly.
479 * config/picochip/constraints.md : Remove the target constraint
480 "b", since it is not needed anymore.
482 2009-02-16 Jakub Jelinek <jakub@redhat.com>
484 * gthr-dce.h: Uglify function parameter and local variable names.
485 * gthr-gnat.h: Likewise.
486 * gthr-mipssde.h: Likewise.
487 * gthr-nks.h: Likewise.
488 * gthr-posix95.h: Likewise.
489 * gthr-posix.h: Likewise.
490 * gthr-rtems.h: Likewise.
491 * gthr-single.h: Likewise.
492 * gthr-solaris.h: Likewise.
493 * gthr-tpf.h: Likewise.
494 * gthr-vxworks.h: Likewise.
495 * gthr-win32.h: Likewise.
497 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
500 * config/i386/i386.md: Restrict the new peephole2 to move
501 between MMX/SSE registers.
503 2009-02-15 Richard Guenther <rguenther@suse.de>
506 2009-02-13 Richard Guenther <rguenther@suse.de>
508 * configure.ac: Enable LFS.
509 * configure: Re-generate.
510 * config.in: Likewise.
512 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
514 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
515 spu_srqwbyte, spu_srqwbytebc): Define.
516 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
517 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
518 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
519 "shrqby_<mode>"): New insn-and-split patterns.
520 * config/spu/spu.c (expand_builtin_args): Determine and return
521 number of operands using spu_builtin_description data.
522 (spu_expand_builtin_1): Use it.
524 2009-02-13 Steve Ellcey <sje@cup.hp.com>
527 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
530 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
533 * config/i386/i386.c (override_options): Correct warning
534 messages for -malign-loops, -malign-jumps and -malign-functions.
536 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
539 * config/i386/i386.md: Restrict the new peephole2 to move
540 between the general purpose registers.
542 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
545 * config/i386/i386.c (type_natural_mode): Add a new argument.
546 Return the original mode and warn ABI change if vector size is 32byte.
547 (function_arg_advance): Updated.
548 (function_arg): Likewise.
549 (ix86_function_value): Likewise.
550 (ix86_return_in_memory): Likewise.
551 (ix86_sol10_return_in_memory): Likewise.
552 (ix86_gimplify_va_arg): Likewise.
553 (function_arg_32): Don't warn ABX ABI change here.
554 (function_arg_64): Likewise.
556 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
558 * loop-iv.c (implies_p): In the final case, test that operands 0
559 of the two comparisons match.
561 * config/bfin/bfin.c (find_prev_insn_start): New function.
562 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
563 (find_next_insn_start): Move.
565 2009-02-13 Richard Guenther <rguenther@suse.de>
567 * configure.ac: Enable LFS.
568 * configure: Re-generate.
569 * config.in: Likewise.
571 2009-02-13 Joseph Myers <joseph@codesourcery.com>
574 * c-parser.c (c_parser_parms_list_declarator): Discard pending
575 sizes on syntax error after some arguments have been parsed.
577 2009-02-12 Jakub Jelinek <jakub@redhat.com>
579 * doc/invoke.texi (-fira): Remove.
581 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
583 * caller-save.c: Replace regclass.c with reginfo.c in comments.
587 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
589 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
590 (umul_ppmm): Likewise.
591 (count_leading_zeros): Likewise.
592 (count_trailing_zeros): Likewise.
593 (UMUL_TIME): Likewise.
595 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
597 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
598 soft-fp/t-softfp to tmake_file.
600 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
601 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
602 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
603 IA64_BUILTIN_INFQ]: New.
604 (ia64_init_builtins): Initialize __builtin_infq,
605 __builtin_fabsq and __builtin_copysignq if not HPUX.
606 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
607 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
609 * config/ia64/lib1funcs.asm (__divtf3): Define only if
611 (__fixtfti): Likewise.
612 (__fixunstfti): Likewise.
613 (__floattitf): Likewise.
615 * config/ia64/libgcc-glibc.ver: New.
616 * config/ia64/t-fprules-softfp: Likewise.
617 * config/ia64/sfp-machine.h: Likewise.
619 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
620 (LIBGCC2_TF_CEXT): Likewise.
622 (TARGET_INIT_LIBFUNCS): Likewise.
624 * config/ia64/t-glibc (SHLINB_MAPFILES):
625 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
627 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
629 * config/i386/i386.c (construct_container): Rewrite processing
630 BLKmode with X86_64_SSE_CLASS.
632 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
635 * config/i386/i386.md: Replace simplify_replace_rtx with
636 replace_rtx in the new peephole2.
638 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
640 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
641 loop unrolling do not happen at -O2.
643 2009-02-12 Michael Matz <matz@suse.de>
645 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
647 2009-02-12 Jakub Jelinek <jakub@redhat.com>
649 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
652 2009-02-12 Ben Elliston <bje@au.ibm.com>
654 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
655 patterns when updating the back chain. Missed in the 2009-02-10
658 2009-02-11 Janis Johnson <janis187@us.ibm.com>
660 * doc/extend.texi (Decimal Floating Types): Update identifier of
661 draft TR and list of missing support.
663 2009-02-11 Jakub Jelinek <jakub@redhat.com>
666 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
667 bit to variable length decl's flags, add it also to its
668 pointer replacement variable.
670 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
671 Jakub Jelinek <jakub@redhat.com>
674 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
675 (memory_blockage): New expander.
676 (*memory_blockage): New insn pattern.
677 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
678 instead of general blockage at the end of function prologue when
679 frame pointer is used to access red zone area. Do not emit blockage
680 when profiling, it is emitted in generic code.
681 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
682 function epilogue when frame pointer is used to access red zone area.
684 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
687 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
688 by arithmetic with memory operands.
689 * config/i386/predicates.md (commutative_operator): New.
691 2009-02-10 Janis Johnson <janis187@us.ibm.com>
693 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
696 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
698 * alias.h (record_alias_subset): Declare.
699 * alias.c (record_alias_subset): Make global.
701 2009-02-10 Nick Clifton <nickc@redhat.com>
703 * tree-parloops.c: Change license to GPLv3.
704 * ipa-struct-reorg.c: Change license to GPLv3.
705 * ipa-struct-reorg.h: Change license to GPLv3.
707 2009-02-10 Steve Ellcey <sje@cup.hp.com>
710 * c-decl.c (start_struct): Return NULL on error.
712 2009-02-10 Jakub Jelinek <jakub@redhat.com>
715 * cfgloopmanip.c (remove_path): Call remove_bbs after
716 cancel_loop_tree, not before it.
719 * function.h (struct function): Add has_local_explicit_reg_vars bit.
720 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
722 * tree-ssa-live.c (remove_unused_locals): Recompute
723 cfun->has_local_explicit_reg_vars.
724 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
725 copies or clearings if cfun->has_local_explicit_reg_vars.
727 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
730 * config/i386/i386.c (expand_prologue): Emit blockage at the end
731 of function prologue when frame pointer is used to access
734 2009-02-10 Richard Guenther <rguenther@suse.de>
737 * gimplify.c (gimple_regimplify_operands): Always look if
738 we need to create a temporary.
740 2009-02-10 Richard Guenther <rguenther@suse.de>
742 PR tree-optimization/39132
743 * tree-loop-distribution.c (todo): New global var.
744 (generate_memset_zero): Trigger TODO_rebuild_alias.
745 (tree_loop_distribution): Return todo.
747 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
750 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
751 (x86_64_reg_class_name): Removed.
752 (classify_argument): Return 0 if bytes > 32. Return 0 if the
753 first one isn't X86_64_SSE_CLASS or any other ones aren't
754 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
755 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
756 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
757 and 3 X86_64_SSEUP_CLASS.
758 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
759 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
761 2009-02-10 Ben Elliston <bje@au.ibm.com>
763 * config/rs6000/rs6000.md (allocate_stack): Always use an update
764 form instruction to update the stack back chain word, even if the
765 user has disabled the generation of update instructions.
766 (movdi_<mode>_update_stack): New.
767 (movsi_update_stack): Likewise.
768 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
769 always use an update form instruction to update the stack back
772 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
775 * graphite.c (if_region_set_false_region): After moving a region in
776 the false branch of a condition, remove the empty dummy basic block.
777 (gloog): Remove wrong fix for PR38953.
779 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
781 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
782 generation due to implicit sign extension.
784 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
787 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
788 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
790 2009-02-09 Richard Guenther <rguenther@suse.de>
793 * convert.c (convert_to_real): Disable (float)fn((double)x)
794 to fnf(x) conversion if errno differences may occur and
797 2009-02-07 Anatoly Sokolov <aesok@post.ru>
799 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
800 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
801 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
803 2009-02-06 Joseph Myers <joseph@codesourcery.com>
806 * c-common.c (handle_alias_attribute): Disallow attribute for
807 anything not a FUNCTION_DECL or VAR_DECL.
809 2009-02-06 Janis Johnson <janis187@us.ibm.com>
812 * real.c (do_compare): Special-case compare of zero against
815 2009-02-06 Joseph Myers <joseph@codesourcery.com>
818 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
819 as indicating flexible array members unless the field itself is
820 being declarared as the incomplete array.
822 2009-02-06 Jan Hubicka <jh@suse.cz>
824 PR tree-optimization/38844
825 * ipa-inline.c (try_inline): Stop inlining recursion when edge
828 2009-02-06 Richard Guenther <rguenther@suse.de>
831 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
832 fork because we may expand it as __gcov_fork.
834 2009-02-06 Nick Clifton <nickc@redhat.com>
836 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
838 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
840 PR tree-optimization/35659
841 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
842 vn_phi_eq): Shortcut if hashcode does not match.
843 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
845 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
846 and avoid iterative_hash_expr.
847 (FOR_EACH_VALUE_ID_IN_SET): New.
848 (value_id_compare): Remove.
849 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
850 sort expressions by value id.
852 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
855 * config/sh/predicates.md (general_movsrc_operand): Don't check
856 the subreg of system registers here.
858 2009-02-05 Jakub Jelinek <jakub@redhat.com>
861 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
864 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
866 PR rtl-optimization/39110
867 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
868 addresses, not aligned ones.
870 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
871 Richard Guenther <rguenther@suse.de>
873 PR tree-optimization/39100
874 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
875 comment says and add edges.
877 2009-02-05 Joseph Myers <joseph@codesourcery.com>
880 * c-common.c (handle_tls_model_attribute): Ignore attribute for
881 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
883 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
885 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
886 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
887 register_bb_in_sese, new_sese, free_sese): Moved.
888 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
889 outermost_loop_in_scop, build_scop_iteration_domain,
890 expand_scalar_variables_ssa_name, get_vdef_before_scop,
891 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
892 Use loop_in_sese_p instead of loop_in_scop_p.
893 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
894 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
895 (scopdet_basic_block_info): Fix bug in scop detection.
896 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
897 eq_loop_to_cloog_loop): Remove.
898 (nb_loops_around_loop_in_scop, nb_loop
899 ref_nb_loops): Moved here...
900 * graphite.h (ref_nb_loops): ... from here.
901 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
902 (loop_domain_dim, loop_iteration_vector_dim): Remove.
903 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
904 * testsuite/gcc.dg/graphite/scop-19.c: New
906 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
907 Hans-Peter Nilsson <hp@axis.com>
909 PR rtl-optimization/37889
910 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
911 Move offset handling from PLUS to before the switch. Use new
912 arguments when considering SYMBOL_REFs too.
913 (rtx_addr_can_trap_p): Pass dummy offset and size.
914 (enum may_trap_p_flags): Remove.
915 (may_trap_p_1): Pass size from MEM_SIZE.
917 PR rtl-optimization/38921
918 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
919 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
920 * rtlanal.c (may_trap_after_code_motion_p): Delete.
921 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
923 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
925 AVX Programming Reference (January, 2009)
926 * config/i386/sse.md (*vpclmulqdq): New.
928 2009-02-04 Jakub Jelinek <jakub@redhat.com>
930 PR tree-optimization/38977
931 PR gcov-profile/38292
932 * calls.c (special_function_p): Disregard __builtin_ prefix.
934 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
936 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
937 non-indexable addresses even before reload.
939 2009-02-03 Joseph Myers <joseph@codesourcery.com>
942 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
943 as having variable size. Do not give an error for unnamed
944 parameters with [*] declarators. Give a warning for type names
945 with [*] declarators and mark them as variable size.
946 * c-parser.c (c_parser_sizeof_expression): Do not give an error
947 for sizeof applied to [*] type names.
949 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
952 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
954 2009-02-03 Jakub Jelinek <jakub@redhat.com>
956 * gcc.c (process_command): Update copyright notice dates.
957 * gcov.c (print_version): Likewise.
958 * gcov-dump.c (print_version): Likewise.
959 * mips-tfile.c (main): Likewise.
960 * mips-tdump.c (main): Likewise.
962 2009-02-03 Joseph Myers <joseph@codesourcery.com>
965 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
966 for composite type involving a zero-length array type.
968 2009-02-03 Jakub Jelinek <jakub@redhat.com>
971 * function.c (match_asm_constraints_1): Skip over
972 initial optional % in the constraint.
975 * c-parser.c (c_parser_postfix_expression): If fixed point is not
976 supported, don't accept FIXED_CSTs.
977 * c-decl.c (finish_declspecs): Error if fixed point is not supported
978 and _Sat is used without _Fract/_Accum. Set specs->type to
979 integer_type_node for cts_fract/cts_accum if fixed point is not
982 2009-02-02 Catherine Moore <clm@codesourcery.com>
984 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
986 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
988 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
989 (ABI_HAS_64BIT_SYMBOLS): Use it.
990 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
992 2009-02-02 Paul Brook <paul@codesourcery.com>
994 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
996 2009-02-02 Jakub Jelinek <jakub@redhat.com>
999 * recog.h (asm_operand_ok): Add constraints argument.
1000 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1001 recurse on matching constraint.
1002 (check_asm_operands): Pass constraints as 3rd argument to
1003 asm_operand_ok. Don't look up matching constraint here.
1004 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1007 2009-02-02 Ben Elliston <bje@au.ibm.com>
1009 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1010 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1012 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1014 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1015 information. Remove some obsolete information. Reorganize.
1017 * config/pa/fptr.c: Revert license to GPL 2.
1018 * config/pa/milli64.S: Likewise.
1020 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1023 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1024 LIBRARY name in, instead of hard-coding it.
1025 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1026 extra target make frag to tmake_files according to EH model.
1027 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1028 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1029 frags that define makefile variable EH_MODEL appropriately.
1030 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1031 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1032 to "-sjlj" according to type of EH configured.
1033 (LIBGCC_SONAME): Concatenate it to shared library base name.
1034 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1035 to "_sjlj" according to type of EH configured.
1036 (LIBGCC_SONAME): Concatenate it to shared library base name.
1037 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1038 (SHLIB_LINK): Add missing semicolon to if-else construct.
1039 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1040 string value of "pe_dll" command-line option.
1041 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1042 (SHLIB_SONAME): Use it when overriding t-cygming default.
1043 (SHLIB_IMPLIB): Override t-cygming default.
1044 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1045 string value of "pe_dll" command-line option.
1047 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1050 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1051 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1053 2009-01-31 Richard Guenther <rguenther@suse.de>
1055 PR tree-optimization/38937
1056 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1057 computing the transitive closure.
1059 2009-01-30 Richard Guenther <rguenther@suse.de>
1061 PR tree-optimization/39041
1062 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1063 Propagate variable indices only if the types match for this stmt.
1065 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1068 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1069 inline but never defined.
1071 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1073 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1074 (*insv_h_di_reg_extimm): New insn.
1075 (*insv_l<mode>_reg_extimm): New insn.
1077 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1079 * config/picochip/picochip.c (flag_conserve_stack): set
1080 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1081 fconserve-stack. Reduce call-overhead used by inliner.
1083 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1086 * common.opt (flag_conserve_stack): Initialised to zero.
1088 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1091 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1092 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1095 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1097 * ira-color.c (allocno_reload_assign): Update comments.
1098 * regmove.c (regmove_optimize): Likewise.
1102 2009-01-29 Robert Millan <rmh@aybabtu.com>
1104 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1105 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1106 `MD_UNWIND_SUPPORT'.
1107 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1109 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1111 PR tree-optimization/39007
1112 * tree-loop-distribution.c (generate_builtin): Use
1113 recompute_dominator to compute the immediate dominator of the
1114 basic block just after the loop.
1116 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1118 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1119 (ASM_OUTPUT_DWARF_PCREL): Define.
1121 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1123 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1124 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1125 global. Modify entries about regmove and IRA.
1127 * ra-conflict.c: Remove the file.
1129 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1131 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1132 (pass_regclass_init): Rename to pass_reginfo_init.
1134 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1136 * toplev.h (flag_ira): Remove.
1138 * caller-save.c (setup_save_areas): Remove flag_ira.
1140 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1142 * global.c: Remove the file.
1144 * opts.c: (decode_options): Remove flag_ira.
1146 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1148 * regmove.c: Modify file description.
1149 (find_use_as_address, try_auto_increment): Define them only if
1150 AUTO_INC_DEC is defined.
1151 (replacement_quality, replace_in_call_usage, fixup_match_1,
1152 stable_and_no_regs_but_for_p): Remove.
1153 (reg_set_in_bb): Make it static.
1154 (regmove_optimize): Remove flag_ira and code which worked for
1157 * local-alloc.c: Remove the file.
1159 * common.opt (fira): Remove.
1161 * ira.c: Include except.h.
1162 (eliminable_regset): Move from global.c.
1163 (mark_elimination): Ditto. Remove flag_ira.
1164 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1165 equiv_mem_modified, validate_equiv_mem_from_store,
1166 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1167 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1168 no_equiv, recorded_label_ref): Move from local-alloc.c.
1169 (update_equiv_regs): Ditto. Make it static.
1170 (print_insn_chain, print_insn_chains): Move it from global.c.
1171 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1172 (build_insn_chain): Ditto. Make it static.
1173 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1174 Rename to init_live_subregs.
1175 (gate_ira): Remove flag_ira.
1177 * regclass.c: Rename reginfo.c. Change file description.
1178 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1179 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1180 (init_reg_sets_1): Remove code for evaluation of
1181 reg_class_superclasses and losing_caller_save_reg_set.
1182 (init_regs): Remove init_reg_autoinc.
1183 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1184 ok_for_base_p_nonstrict): Remove.
1185 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1186 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1187 corresponding entries.
1188 (dump_regclass, record_operand_costs, scan_one_insn,
1189 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1190 record_address_regs, auto_inc_dec_reg_p): Remove.
1191 (gt-regclass.h): Rename to gt-reginfo.h.
1193 * rtl.h (dump_global_regs, retry_global_alloc,
1194 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1196 * Makefile.in (RA_H): Remove.
1197 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1198 Rename regclass.o to reginfo.o.
1199 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1201 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1202 (GTFILES): Rename regclass.c to reginfo.c.
1204 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1205 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1207 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1208 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1210 (finish_spills): Ditto. Remove code for !flag_ira.
1212 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1215 * doc/invoke.texi (rtl debug options): Complete rewrite.
1216 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1218 * mode-switching.c (pass_mode_switching): Rename pass from
1219 "mode-sw" to "mode_sw".
1220 * except.c (pass_convert_to_eh_ranges): Rename pass from
1221 "eh-ranges" to "eh_ranges".
1222 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1226 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1227 Alexander Monakov <amonakov@ispras.ru>
1230 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1232 (move_exprs_to_boundary): Change return type and pass through
1233 should_move from move_op. Relax assert. Update usage ...
1234 (schedule_expr_on_boundary): ... here. Use should_move instead of
1236 (move_op_orig_expr_found): Indicate that insn was disconnected from
1238 (code_motion_process_successors): Do not call after_merge_succs
1239 callback if original expression was not found when traversing any of
1241 (code_motion_path_driver): Change return type. Update prototype.
1242 (move_op): Update comment. Add a new parameter (should_move). Update
1243 prototype. Set *should_move based on indication provided by
1244 move_op_orig_expr_found.
1246 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1248 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1249 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1250 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1251 * config/rs6000/rs6000.c (rs6000_override_options): Default
1252 avoid-indexed-addresses on for Power6, off for everything else.
1253 (avoiding_indexed_address_p): New function.
1254 (rs6000_legitimize_address): Use it.
1255 (rs6000_legitimate_address): Likewise.
1256 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1258 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1260 PR tree-optimization/38997
1261 * tree-loop-distribution.c (generate_memset_zero): Use
1262 POINTER_PLUS_EXPR for a pointer addition.
1264 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1266 * config/s390/s390.md (bswap<mode>2): New pattern added.
1268 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1270 * config/s390/s390.md (*tls_load_31): Added type attribute.
1272 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1274 * config/s390/s390.md: Fix a few comments.
1276 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1278 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1279 (*tm<mode>_full): Fixed z10prop attribute.
1280 (*tst<mode>_extimm): Fixed z10prop attribute.
1281 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1282 (*tstqiCCT_cconly): Fixed z10prop attribute.
1283 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1284 (*movsi_larl): Fixed z10prop attribute.
1285 (*movsi_zarch): Fixed z10prop attribute.
1286 (*movsi_eas): Fixed z10prop attribute.
1287 (*movhi): Fixed z10prop attribute.
1288 (*movqi): Fixed z10prop attribute.
1289 (*movstrictqi): Fixed z10prop attribute.
1290 (*mov<mode>): Fixed z10prop attribute.
1291 (*movcc): Fixed z10prop attribute.
1292 (*sethighpartdi_64): Fixed z10prop attribute.
1293 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1294 (*negdi2_sign_cc): Fixed z10prop attribute.
1295 (*negdi2_sign): Fixed z10prop attribute.
1296 (*absdi2_sign_cc): Fixed z10prop attribute.
1297 (*absdi2_sign): Fixed z10prop attribute.
1298 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1299 (*negabsdi2_sign): Fixed z10prop attribute.
1300 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1301 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1302 (doloop_si64): Fixed z10prop attribute.
1303 (doloop_si31): Fixed z10prop attribute.
1304 (doloop_long): Fixed z10prop attribute.
1305 (indirect_jump): Fixed z10prop attribute.
1306 (nop): Fixed z10prop attribute.
1307 (main_base_64): Fixed z10prop attribute.
1308 (reload_base_64): Fixed z10prop attribute.
1310 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1312 PR rtl-optimization/38740
1313 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1315 * config/mips/mips.c (mips_reorg): Likewise.
1317 2009-01-28 Richard Guenther <rguenther@suse.de>
1319 PR tree-optimization/38926
1320 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1321 with the correct value id to a value.
1322 (do_regular_insertion): Use the value number of edoubleprime
1323 for the value number of the expr.
1326 2008-08-21 Richard Guenther <rguenther@suse.de>
1328 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1329 a PHI ask VN if it is already available.
1330 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1331 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1333 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1336 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1337 set to varying whenever max has TREE_OVERFLOW set, similarly
1338 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1340 2009-01-28 Richard Guenther <rguenther@suse.de>
1343 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1344 uninitialized aggregate uses in call arguments.
1346 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1348 PR tree-optimization/38984
1349 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1350 the nothing_id variable if -fno-delete-null-pointer-checks.
1352 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1355 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1356 (set_got_offset_rex64): Ditto.
1358 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1361 * doc/extend.texi: Improve local variable with asm reg.
1363 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1365 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1366 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1367 was not supplied then set warn_packed_bitfield_compat to the
1369 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1372 2009-01-27 Richard Guenther <rguenther@suse.de>
1374 PR tree-optimization/38503
1375 * cfgexpand.c (expand_gimple_basic_block): Ignore
1376 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1377 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1378 variables that cannot have TBAA applied.
1379 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1382 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1385 * calls.c (initialize_argument_information): Do not wrap complex
1386 arguments in SAVE_EXPR.
1388 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1390 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1391 (INSTALL_LIBGCC): Revert typo commit.
1393 2009-01-26 Richard Guenther <rguenther@suse.de>
1395 PR tree-optimization/38745
1396 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1397 from special handling.
1399 2009-01-26 Richard Guenther <rguenther@suse.de>
1401 PR tree-optimization/38745
1402 * tree-ssa.c (execute_update_addresses_taken): Do not include
1403 variables that cannot possibly be a register in not_reg_needs.
1404 Do not clear TREE_ADDRESSABLE on vars that may not become
1406 * tree-ssa.c (update_alias_info_1): Include those in the set
1407 of addressable vars.
1409 2009-01-26 Richard Guenther <rguenther@suse.de>
1412 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1413 * tree-ssa-dse.c: Include langhooks.h
1414 (execute_simple_dse): Remove stores with zero size.
1416 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1419 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1422 2009-01-24 Julian Brown <julian@codesourcery.com>
1424 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1425 config/arm/linux-atomic.c.
1426 * config/arm/linux-atomic.c: New.
1428 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1430 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1431 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1432 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1434 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1437 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1440 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1442 PR tree-optimization/38953
1443 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1444 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1445 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1446 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1449 2009-01-24 Paul Brook <paul@codesourcery.com>
1451 * config/arm/neon.md (neon_type): Move to arm.md.
1452 (neon_mov<VSTRUCT>): Add neon_type attribute.
1453 * config/arm/arm.md (neon_type): Move to here.
1454 (conds): Add "unconditioal" and use as default for NEON insns.
1456 2009-01-24 Ben Elliston <bje@au.ibm.com>
1458 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1459 void *' warning from -Wc++-compat.
1460 * Makefile.in (dominance.o-warn): Remove.
1462 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1464 PR tree-optimization/38932
1465 * fold-const.c (fold_unary_ignore_overflow): New.
1466 * tree.h (fold_unary_ignore_overflow): Declare.
1467 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1468 * tree-ssa-sccvn.c (visit_reference_op_load,
1469 simplify_unary_expression): Likewise.
1471 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1473 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1474 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1475 regardless of their type.
1476 * c-common.c (handle_packed_attribute): Don't ignore packed on
1478 * c.opt (Wpacked-bitfield-compat): New warning option.
1479 * stor-layout.c (place_field): Warn if offset of a field changed.
1480 * doc/extend.texi (packed): Mention the ABI change.
1481 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1482 (Warning Options): Add it to the list.
1484 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1486 * c-opts.c (c_common_post_options): Fix a typo in comments.
1488 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1491 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1492 variables to static.
1493 * doc/invoke.texi (-fmerge-all-constants): Update description.
1495 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1498 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1499 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1501 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1503 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1505 (LOCAL_ALIGNMENT): Similarly.
1507 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1508 Joseph Myers <joseph@codesourcery.com>
1510 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1511 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1512 * config/arm/arm-tune.md: Regenerate.
1513 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1516 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1518 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1519 version number to five.
1521 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1524 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1525 * c-common.c (set_underlying_type): Likewise.
1526 (is_typedef_decl ): Likewise
1528 (set_underlying_type): Likewise.
1529 (is_typedef_type): Likewise.
1531 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1534 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1537 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1540 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1541 (LIBGCC_SPEC): Don't define.
1542 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1544 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1546 PR rtl-optimization/38879
1547 * alias.c (base_alias_check): Unaligned access via AND address can
1548 alias all surrounding object types except those with sizes equal
1549 or wider than the size of unaligned access.
1551 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1554 * c-decl.c: (clone_underlying_type): Move this ...
1555 * c-common.c (set_underlying_type): ... here.
1556 Also, make sure the function properly sets TYPE_STUB_DECL() on
1557 the newly created typedef variant type.
1558 (is_typedef_decl ): New entry point.
1559 * tree.h: Added a new member member_types_needing_access_check to
1560 struct tree_decl_non_common.
1561 (set_underlying_type): New entry point.
1562 (is_typedef_type): Likewise.
1564 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1566 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1567 Check whether two instructions have memory references that
1568 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1569 are helper functions for traversing.
1570 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1571 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1572 not to draw dependency edge for instructions with non-conflicting
1575 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1578 * longlong.h: Update copyright years. Use soft-fp license notice.
1579 Sync __clz_tab declaration with glibc.
1581 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1584 * doc/extend.texi (syscall_linkage): New.
1585 (version_id): Modify.
1587 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1588 Richard Guenther <rguenther@suse.de>
1590 PR tree-optimization/38747
1591 PR tree-optimization/38748
1592 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1593 conversion if the base address is an indirect reference and the
1594 aliasing sets could cause issues.
1596 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1598 * common.opt (fgraphite, fgraphite-identity): Add comment for
1599 explaining why these options are not documented.
1601 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1603 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1604 gimple_call_lhs is NULL.
1606 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1609 * emit-rtl.c (adjust_address_1): Make sure memref is never
1612 2009-01-20 Ben Elliston <bje@au.ibm.com>
1614 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1615 const qualifier from arg parameter. Remove unnecessary cast to char *.
1616 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1617 const qualifier from arg 2.
1619 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1621 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1623 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1626 * rtl.h (reinit_regs): New prototype.
1627 * regclass.c: Include ira.h.
1629 * Makefile.in (regclass.o): Add ira.h.
1630 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1632 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1635 * c-common.c (handle_aligned_attribute): Use
1636 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1637 default alignment value.
1639 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1641 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1642 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1644 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1645 __BIGGEST_ALIGNMENT__.
1647 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1649 2009-01-18 Richard Guenther <rguenther@suse.de>
1651 PR tree-optimization/38819
1652 * tree-flow.h (operation_could_trap_helper_p): Declare.
1653 * tree-eh.c (operation_could_trap_helper_p): Export.
1654 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1655 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1656 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1657 are about to insert a possibly trapping instruction and fail
1660 2009-01-18 Andreas Schwab <schwab@suse.de>
1662 * doc/install.texi (Configuration): Remove obsolete paragraph
1663 about use of --with-gnu-ld with --with-gnu-as.
1665 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1667 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1668 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1669 Follow spelling conventions.
1671 2009-01-18 Ben Elliston <bje@au.ibm.com>
1673 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1674 C++ warning about implicit conversion from void * to struct
1676 (bitmap_obstack_free): Likewise for bitmap_element *.
1677 * Makefile.in (bitmap.o-warn): Remove.
1679 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1681 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1683 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1684 Tobias Grosser <tobi.grosser@amd.com>
1686 * graphite.c (graphite_trans_scop_block): Do not block single
1689 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1691 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1692 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1693 test with assertion.
1695 2009-01-16 Richard Guenther <rguenther@suse.de>
1697 PR tree-optimization/38835
1699 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1700 and INT + PTR -> (INT)(PTR p+ INT) folding.
1701 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1703 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1706 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1707 the subreg from a lowpart subreg if it is also casting the value.
1709 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1710 Tobias Grosser <tobi.grosser@amd.com>
1712 * graphite.c (compare_prefix_loops): New.
1713 (build_scop_canonical_schedules): Rewritten.
1714 (graphite_transform_loops): Move build_scop_canonical_schedules
1715 after build_scop_iteration_domain.
1717 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1718 Tobias Grosser <tobi.grosser@amd.com>
1720 * graphite.c (add_conditions_to_domain): Add the loops to
1721 the dimension of the iteration domain. Do copy the domain
1722 only when it exists.
1723 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1724 (add_conditions_to_constraints): New.
1725 (can_generate_code_stmt, can_generate_code): Removed.
1726 (gloog): Do not call can_generate_code.
1727 (graphite_transform_loops): Call add_conditions_to_constraints
1728 after building the iteration domain.
1730 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1732 PR tree-optimization/38789
1733 * tree-ssa-threadedge.c
1734 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1735 __builtin_constant_p.
1737 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1739 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1740 examined before deleting them.
1742 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1744 * function.c (aggregate_value_p): Correctly extract the function
1745 type from CALL_EXPR_FN lookup.
1747 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1749 * config/picochip/picochip.c (picochip_override_options): Revert
1750 CFI asm flag disable commited previously.
1752 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1753 Tobias Grosser <tobi.grosser@amd.com>
1754 Jan Sjodin <jan.sjodin@amd.com>
1756 * graphite.c (scan_tree_for_params): On substractions negate
1757 all the coefficients of the term.
1758 (clast_to_gcc_expression_red): New. Handle reduction expressions
1759 of more than two operands.
1760 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1761 (get_vdef_before_scop): Handle also the case of default definitions.
1763 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1765 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1766 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1767 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1769 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1770 Joey Ye <joey.ye@intel.com>
1773 * cfgexpand.c (expand_stack_alignment): Don't update stack
1774 boundary nor check incoming stack boundary here.
1775 (gimple_expand_cfg): Update stack boundary and check incoming
1776 stack boundary here.
1778 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1780 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1782 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1784 PR rtl-optimization/38245
1785 * calls.c (expand_call): Add stack arguments to
1786 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1787 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1788 in regs and partially in memory or BLKmode arguments.
1789 (emit_library_call_value_1): Add stack arguments to
1790 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1791 ACCUMULATE_OUTGOING_ARGS).
1792 * dce.c: Include tm_p.h.
1793 (find_call_stack_args): New function.
1794 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1796 (mark_insn): Call find_call_stack_args for CALL_Ps.
1797 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1798 forwards. Allocate and free arg_stores bitmap if needed, pass it
1799 down to deletable_insn_p, don't mark stores set in arg_stores
1800 bitmap, clear the bitmap at the beginning of each bb.
1801 * Makefile.in (dce.o): Depend on $(TM_P_H).
1803 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1806 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1807 to make sure the insn is a conditional test (bug 22599). Reformat a
1810 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1813 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1814 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1815 (gloog): Do not call cleanup_tree_cfg.
1816 (graphite_transform_loops): Call cleanup_tree_cfg after all
1817 scops have been code generated.
1819 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1820 * doc/gty.texi (Invoking the garbage collector): Added new node
1821 and section documenting ggc_collect.
1823 2009-01-14 Richard Guenther <rguenther@suse.de>
1825 PR tree-optimization/38826
1827 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1828 initialization notes only if we actually emitted a warning.
1829 (intra_create_variable_infos): Add constraints for a result decl
1830 that is passed by hidden reference.
1831 (build_pred_graph): Mark all related variables non-direct on
1834 2009-01-14 Nick Clifton <nickc@redhat.com>
1836 * ira-conflicts.c: Include addresses.h for the definition of
1838 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1839 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1841 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1844 * Makefile.in (ira-lives.o): Add except.h.
1846 * ira-lives.c: Include except.h.
1847 (process_bb_node_lives): Process can_throw_internal.
1849 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1851 PR rtl-optimization/38774
1852 * combine.c (simplify_set): When undoing cc_use change, don't do
1853 PUT_CODE on the newly created comparison, but instead put back the
1856 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1858 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1859 values. Remove duplicate arm8 entry.
1861 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1863 PR tree-optimization/38786
1864 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1865 the SSA_NAME case of expand_scalar_variables_expr.
1866 Set the type of an expression to the type of its assign statement.
1867 (expand_scalar_variables_expr): Also gather the scalar computation
1868 used to index the memory access. Do not pass loop_p.
1869 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1870 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1871 the gimple_stmt_iterator where it inserts new code.
1873 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1874 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1876 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1878 * graphite.h (debug_value): Removed.
1879 * graphite.c (debug_value): Removed.
1881 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1883 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1884 ldrd/strd with two 32-bit instructions.
1886 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1888 * config/arm/arm.c (struct processors): Pass for speed down into
1889 cost helper functions.
1890 (const_ok_for_op): Handle COMPARE and inequality nodes.
1891 (arm_rtx_costs_1): Rewrite.
1892 (arm_size_rtx_costs): Update prototype.
1893 (arm_rtx_costs): Pass speed down to helper functions.
1894 (arm_slowmul_rtx_costs): Rework cost calculations.
1895 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1896 (arm_9e_rtx_costs): Likewise.
1898 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1900 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1901 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1902 (alpha_legitimize_address): Do not split local symbols wider than
1903 UNITS_PER_WORD into HIGH/LO_SUM parts.
1905 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1908 * gcc.c (process_command): Replace call to execvp with calls
1909 to pex_one and exit.
1911 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1914 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1915 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1916 variant for devices with 3-byte PC.
1917 (__tablejump_elpm__) : New.
1919 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1922 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1923 offsetof member-designator, handle it as `[0].'.
1925 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1927 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1928 function when not using named sections on targets with named sections
1929 if branch distance is less than 262132.
1931 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1933 * combine.c (combine_instructions): Recompute
1934 optimize_this_for_speed_p for each BB in the main combine loop.
1936 2009-01-12 Tomas Bily <tbily@suse.cz>
1939 * tree-loop-distribution.c (prop_phis): New function.
1940 (generate_builtin): Call prop_phis.
1941 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1943 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1945 PR tree-optimization/38807
1946 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1947 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1949 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1951 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1952 subreg of op0 to the original op0.
1954 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1956 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1958 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1961 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1962 starting with digits.
1964 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1967 * config/arm/arm.c (arm_is_long_call_p): Don't call
1968 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1970 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1972 * regrename.c (regrename_optimize): Fix dumping.
1973 (find_oldest_value_reg): Preserve REG_POINTER.
1974 (copy_hardreg_forward_1): Likewise.
1976 2009-01-09 Diego Novillo <dnovillo@google.com>
1978 * gimple.h (struct gimple_statement_base) <uid>: Document
1979 the restrictions on its use.
1981 (gimple_set_uid): Tidy.
1983 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1985 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1986 zero guard even if align_bytes != 0 and count is smaller than
1989 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
1991 PR rtl-optimization/38495
1992 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1993 (add_range_and_copies_from_move_list): Print all added ranges.
1994 Add ranges to memory optimized destination.
1996 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2000 * config/i386/i386.c (override_options): Reject
2001 -mstringop-strategy=rep_8byte with -m32.
2002 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2003 to 1. Do count comparison against epilogue_size_needed at compile
2004 time even when count_exp was constant forced into register. For
2005 size_needed don't jump to epilogue, instead just avoid aligning
2006 and invoke the body algorithm. If need_zero_guard, add zero guard
2007 even if count is non-zero, but smaller than size_needed + number of
2008 bytes that could be stored for alignment.
2009 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2010 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2011 but smaller than size_needed + number of bytes that could be stored
2012 for alignment. Compare size_needed with epilogue_size_needed instead
2013 of desired_align - align, don't adjust size_needed, pass
2014 epilogue_size_needed to the epilogue expanders.
2017 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2019 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2021 * pa.c (last_address): Change to unsigned.
2022 (update_total_code_bytes): Change argument to unsigned. Don't
2023 check if insn addresses are set.
2024 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2025 addresses are not set.
2026 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2028 2009-01-09 Nick Clifton <nickc@redhat.com>
2030 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2031 DECL_DECLARED_INLINE_P.
2033 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2036 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2037 GET_MODE (op0) in operand_subword_force calls.
2040 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2041 fold_convert arg0 operands to TREE_TYPE (op0) first.
2043 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2045 * params.def (ira-max-conflict-table-size): Decrease default value
2048 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2050 PR tree-optimization/37031
2051 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2053 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2054 allocate it using gc instead of heap, use VEC_quick_push instead of
2056 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2057 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2058 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2059 allocated vector from heap allocated.
2060 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2061 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2062 vector only after perfect_loop_nest_depth call.
2064 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2065 Jan Sjodin <jan.sjodin@amd.com>
2067 PR tree-optimization/38559
2068 * graphite.c (debug_value, copy_constraint,
2069 swap_constraint_variables, scale_constraint_variable, ): New.
2070 (get_lower_bound, get_upper_bound): Removed.
2071 (graphite_trans_bb_strip_mine): Clean up this code that works
2072 only for constant number of iterations. Fully copy upper and
2073 lower bound constraints, not only the constant part of them.
2074 * graphite.h (debug_value): Declared.
2076 2009-01-08 Ira Rosen <irar@il.ibm.com>
2078 PR tree-optimization/37194
2079 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2080 Don't add the cost of cost model guard in prologue to scalar
2081 outside cost in case of known number of iterations.
2083 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2084 Alan Modra <amodra@bigpond.net.au>
2086 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2087 non-word-aligned REG+CONST addressing.
2089 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2092 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2093 free_after_compilation when outputting a thunk.
2094 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2095 Do not call free_after_compilation here.
2097 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2099 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2100 (ix86_valid_target_attribute_inner_p): Ditto.
2102 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2104 PR tree-optimization/38492
2105 PR tree-optimization/38498
2106 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2107 * tree-chrec.h (scev_is_linear_expression): Declared.
2108 * graphite.c (graphite_cannot_represent_loop_niter): New.
2109 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2110 (graphite_loop_normal_form): Use gcc_assert.
2111 (scan_tree_for_params): Use CASE_CONVERT.
2112 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2113 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2114 Use gcc_assert. Discard scops that contain unhandled cases.
2115 (build_scop_conditions): Return a boolean status for unhandled cases.
2116 (strip_mine_profitable_p): Print the loop number, not its depth.
2117 (is_interchange_valid): Pass the depth of the loop nest, don't
2118 recompute it wrongly.
2119 (graphite_trans_bb_block): Same.
2120 (graphite_trans_bb_block): Print tentative of loop blocking.
2121 (graphite_trans_scop_block): Do not print that the loop has been
2123 (graphite_transform_loops): Do not handle scops that contain condition
2126 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2128 AVX Programming Reference (December, 2008)
2129 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2130 (_mm256_stream_pd): Likewise.
2131 (_mm256_stream_ps): Likewise.
2133 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2134 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2135 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2136 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2137 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2138 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2139 (ix86_expand_special_args_builtin): Likewise.
2141 * config/i386/sse.md (AVXMODEDI): New.
2142 (avx_movnt<mode>): Likewise.
2143 (avx_movnt<mode>): Likewise.
2144 (<sse>_movnt<mode>): Remove AVX support.
2145 (sse2_movntv2di): Likewise.
2147 2009-01-07 Richard Guenther <rguenther@suse.de>
2150 * fold-const.c (extract_muldiv): Remove obsolete comment.
2151 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2152 to PLUS_EXPR canonicalization for the canonicalization.
2154 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2156 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2157 hosted cross-compilers generating less efficient code.
2159 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2161 * function.h (rtl_data): Add a dbr_scheduled_p field.
2162 * reorg.c (dbr_schedule): Set it.
2163 (gate_handle_delay_slots): Check it.
2164 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2165 (mips_reorg): Check flag_delayed_branch instead of
2166 mips_base_delayed_branch.
2167 (mips_override_options): Don't set mips_base_delayed_branch
2168 or flag_delayed_branch.
2170 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2172 PR rtl-optimization/38426.
2173 * ira.c (ira): Set current_function_is_leaf earlier.
2175 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2177 PR rtl-optimization/38722
2178 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2179 too early, only set a flag and modify after last possible
2182 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2185 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2186 * real.c (decimal_single_format): Correct values of emin and emax.
2187 (decimal_double_format): Ditto.
2188 (decimal_quad_format): Ditto.
2189 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2190 computation of DECnn_MIN and DECnn_MAX for corrected values of
2191 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2192 __DECnn_MIN__, and adjust its computation for the corrected value
2195 2009-01-06 Jan Hubicka <jh@suse.cz>
2198 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2200 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2202 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2203 Add Robert Clark to the list of testers.
2205 2009-01-06 Jan Hubicka <jh@suse.cz>
2206 Kai Tietz <kai.tietz@onevision.com>
2208 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2209 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2211 2009-01-06 Jan Hubicka <jh@suse.cz>
2212 Kai Tietz <kai.tietz@onevision.com>
2214 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2216 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2217 (ix86_nsaved_regs): Count only general purpose regs.
2218 (ix86_nsaved_sseregs): New.
2219 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2220 to 16 for w64; compute padding and size of sse reg save area.
2221 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2222 general purpose regs.
2223 (ix86_emit_save_sse_regs_using_mov): New.
2224 (ix86_expand_prologue): Save SSE regs if needed.
2225 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2226 (ix86_emit_restore_sse_regs_using_mov): New.
2227 (ix86_expand_epilogue): Save SSE regs if needed.
2229 2009-01-06 Jan Hubicka <jh@suse.cz>
2230 Kai Tietz <kai.tietz@onevision.com>
2232 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2233 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2234 functions when accumulate outgoing args is off.
2236 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2239 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2240 before using pseudos_have_intersected_live_ranges_p.
2242 * ira-int.h (ira_assert): Always define.
2244 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2246 AVX Programming Reference (December, 2008)
2247 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2248 (_mm256_permute2_pd): Likewise.
2249 (_mm_permute2_ps): Likewise.
2250 (_mm256_permute2_ps): Likewise.
2251 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2252 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2254 * config/i386/i386.c (ix86_builtins): Remove
2255 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2256 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2257 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2258 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2259 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2260 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2261 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2262 __builtin_ia32_vpermil2ps256.
2263 (ix86_init_mmx_sse_builtins): Updated.
2264 (ix86_expand_args_builtin): Likewise.
2266 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2268 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2269 long absolute calls when generating PA 2.0 code.
2271 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2273 PR rtl-optimization/38583
2274 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2276 * params.def (ira-max-conflict-table-size): New.
2278 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2280 * ira.h (ira_conflicts_p): New external definition.
2282 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2283 table. Report this. Return result of building.
2284 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2285 building conflict table.
2287 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2288 (ira_color): Use ira_conflicts_p.
2290 * global.c: Include ira.h.
2291 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2294 * Makefile.in (global.o): Add ira.h.
2296 * ira-build.c (mark_all_loops_for_removal,
2297 propagate_some_info_from_allocno): New.
2298 (remove_unnecessary_allocnos): Call
2299 propagate_some_info_from_allocno.
2300 (remove_low_level_allocnos): New.
2301 (remove_unnecessary_regions): Add parameter. Call
2302 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2303 parameter to remove_unnecessary_regions.
2304 (ira_build): Remove all regions but root if the conflict table was
2305 not built. Update conflict hard regs for allocnos crossing calls.
2307 * ira.c (ira_conflicts_p): New global.
2308 (ira): Define and use ira_conflicts_p.
2310 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2311 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2312 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2314 2009-01-06 Ben Elliston <bje@au.ibm.com>
2316 * gengtype-lex.l (YY_NO_INPUT): Define.
2318 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2321 * c-common.c (handle_vector_size_attribute): Also reject
2324 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2326 PR tree-optimization/38492
2327 * graphite.c (rename_map_elt, debug_rename_elt,
2328 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2329 rename_map_elt_info, eq_rename_map_elts,
2330 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2331 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2332 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2333 (sese_build_livein_liveouts): New.
2334 (new_sese, free_sese): New.
2335 (new_scop): Call new_sese.
2336 (free_scop): Call free_sese.
2337 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2338 (register_old_new_names): Renamed register_old_and_new_names.
2339 (register_scop_liveout_renames, add_loop_exit_phis,
2340 insert_loop_close_phis, struct igp,
2341 default_liveout_before_guard, add_guard_exit_phis,
2342 insert_guard_phis, copy_renames): New.
2343 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2344 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2345 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2346 (scop_adjust_phis_for_liveouts): New.
2347 (gloog): Call scop_adjust_phis_for_liveouts.
2349 * graphite.h (struct sese): Documented. Added fields liveout,
2351 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2352 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2353 (struct scop): Added field liveout_renames.
2354 (SCOP_LIVEOUT_RENAMES): New.
2356 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2358 PR tree-optimization/38510
2359 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2360 (translate_clast): Call recompute_all_dominators before
2362 (gloog): Call recompute_all_dominators before graphite_verify.
2364 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2365 Jan Sjodin <jan.sjodin@amd.com>
2367 PR tree-optimization/38500
2368 * graphite.c (create_sese_edges): Call fix_loop_structure after
2371 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2373 * config.gcc: Add m32r*-*-rtems*.
2374 * config/m32r/rtems.h: New file.
2376 2009-01-05 Ben Elliston <bje@au.ibm.com>
2378 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2379 (.po.pox): Likewise.
2380 (po/gcc.pot): Likewise.
2382 2009-01-04 David S. Miller <davem@davemloft.net>
2384 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2385 (STARTING_FRAME_OFFSET): Always set to zero.
2387 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2389 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2390 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2391 fixed-point types, and vectors of the same.
2393 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2395 * config/mips/sync.md (*mb_barrier): Rename to...
2396 (*memory_barrier): ...this.
2398 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2400 * doc/extend.texi (Function Attributes): Move @cindex after @item
2401 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2402 and put in alphabetical order. Fix 'target' name and put in order.
2403 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2406 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2408 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2409 (memory_barrier): Expand as unspec instead of unspec_volatile.
2410 Remove mem:BLK from insn operands. Use Pmode scratch register.
2411 (*memory_barrier): Define as unspec instead of unspec_volatile.
2412 Use (match_dup 0) as input operand.
2414 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2415 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2416 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2417 scratch register. Remove operand 1.
2418 (*stbar): Define as unspec instead of unspec_volatile.
2419 Use (match_dup 0) as input operand, remove (const_int 8).
2420 (*membar): Define as unspec instead of unspec_volatile.
2421 Use (match_dup 0) as input operand, remove input operand 2.
2423 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2424 (memory_barrier): Expand as unspec instead of unspec_volatile.
2425 Remove mem:BLK from insn operands. Use Pmode scratch register.
2426 (*memory_barrier): Define as unspec instead of unspec_volatile.
2427 Use (match_dup 0) as input operand.
2429 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2430 Remove mem:BLK from insn operands. Use Pmode scratch register.
2431 Set volatile flag on operand 0.
2432 (*memory_barrier): New insn pattern.
2434 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2436 (*memory_barrier): Use (match_dup 0) as input operand.
2438 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2439 Remove mem:BLK from insn operands. Use Pmode scratch register.
2440 Set volatile flag on operand 0.
2441 (*mb_internal): New insn pattern.
2443 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2445 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2448 * function.c (struct temp_slot): Move to the section of the file
2449 that deals with temp slots. Remove field 'address'.
2450 (temp_slot_address_table): New hash table of address -> temp slot.
2451 (struct temp_slot_address_entry): New struct, items for the table.
2452 (temp_slot_address_compute_hash, temp_slot_address_hash,
2453 temp_slot_address_eq, insert_temp_slot_address): Support functions
2455 (find_temp_slot_from_address): Rewrite to use the new hash table.
2456 (remove_unused_temp_slot_addresses): Remove addresses of temp
2457 slots that have been made available.
2458 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2459 worker function for remove_unused_temp_slot_addresses.
2460 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2461 Add the temp slot address to the address -> temp slot map.
2462 (update_temp_slot_address): Update via insert_temp_slot_address.
2463 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2464 (pop_temp_slots): Likewise.
2465 (init_temp_slots): Allocate the address -> temp slot map, or empty
2466 the map if it is already allocated.
2467 (prepare_function_start): Initialize temp slot processing.
2469 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2472 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2473 Calculate the size of all stack vars assuming no packing of stack
2474 vars will happen, replacing a quadratic algorithm with a linear one.
2476 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2479 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2482 2009-01-03 Diego Novillo <dnovillo@google.com>
2484 * doc/contrib.texi: Update contributions.
2486 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2489 * builtins.c (fold_builtin_memory_op): Give up if either operand
2490 is volatile. Set srctype or desttype to non-qualified version
2494 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2497 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2499 PR rtl-optimization/35805
2500 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2501 problem if fast dce is able to remove any instructions.
2502 * dce.c (dce_process_block): Fix dump message.
2504 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2507 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2509 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2512 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2513 * tree-pretty-print.c (op_code_prio): New function.
2514 (op_prio): No longer static. Use op_code_prio.
2515 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2516 Use op_prio and op_code_prio to determine if () should be
2517 printed around operand(s) or not.
2519 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2520 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2521 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2522 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2523 pp_character instead of pp_string for single letter printing.
2525 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2527 * doc/extend.texi: Fix '#pragma GCC option' typo.
2529 2009-01-02 Richard Guenther <rguenther@suse.de>
2531 * doc/install.texi (--enable-checking): Mention different
2533 (--enable-stage1-checking): Document.
2535 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2538 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2539 case to be an error.
2541 2009-01-02 Ben Elliston <bje@au.ibm.com>
2543 * config/fp-bit.h (pack_d): Constify argument.
2544 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2545 (isnan): Constify argument.
2549 (_fpadd_parts): Constify return type.
2550 (_fpmul_parts): Likewise.
2551 (_fpdiv_parts): Likewise.
2553 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2556 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2557 warn about overwriting initializer with side-effects or
2558 -Woverride-init if !IMPLICIT.
2559 (output_init_element): Likewise. Pass IMPLICIT down to
2561 (process_init_element): Add IMPLICIT argument. Pass it down
2562 to output_init_element.
2563 (push_init_element, pop_init_level, set_designator): Adjust
2564 process_init_element callers.
2565 (set_nonincremental_init, set_nonincremental_init_from_string):
2566 Adjust add_pending_init callers.
2567 (output_pending_init_elements): Adjust output_init_element callers.
2568 * c-tree.h (process_init_element): Adjust prototype.
2569 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2570 process_init_element callers.