1 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3 * optc-gen.awk: Assign all remaining fields to help string,
4 space-separated, for multi-line help in *.opt.
6 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
7 -Wno-pedantic-ms-format is for MinGW targets only.
9 * doc/options.texi (Option file format): Fix bad indentation,
10 restoring dropped sentence.
12 2009-02-28 Jan Hubicka <jh@suse.cz>
14 * tree-inline.c (tree_function_versioning): Output debug info.
16 2009-02-28 Jan Hubicka <jh@suse.cz>
19 * tree-inline.c (setup_one_parameter): Do not copy propagate
20 arguments when not optimizing.
22 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
25 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
26 (avx_addsubv4df3): Likewise.
27 (*avx_addsubv4sf3): Likewise.
28 (sse3_addsubv4sf3): Likewise.
29 (*avx_addsubv2df3): Likewise.
30 (sse3_addsubv2df3): Likewise.
31 (avx_unpckhps256): Correct item selectors.
32 (avx_unpcklps256): Likewise.
33 (avx_unpckhpd256): Likewise.
34 (avx_unpcklpd256): Likewise.
36 2009-02-28 Jan Hubicka <jh@suse.cz>
38 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
40 (copy_arguments_for_versioning): If var is declared don't declare it.
41 (tree_function_versioning): First setup substitutions and then copy
44 2009-02-27 Jan Hubicka <jh@suse.cz>
47 * cgraph.h (varpool_output_debug_info): Remove.
48 * cgraphunit.c (varpool_output_debug_info): Remove.
49 * dwarf2out.c (deferred_locations_struct): New struct
50 (deferred_locations): New type.
51 (deferred_locations_list): New static var.
52 (deffer_location): New function.
53 (gen_variable_die): Use it.
54 (decls_for_scope): Output info on local static vars.
55 (dwarf2out_finish): Process deferred locations.
56 * varpool.c (varpool_output_debug_info): Remove.
58 2009-02-27 Jan Hubicka <jh@suse.cz>
61 * tree.h (TREE_PROTECTED): Fix comment.
62 (BLOCK_HANDLER_BLOCK): Remove.
63 (struct tree_block): Remove handler_block add body_block.
64 (inlined_function_outer_scope_p): New.
65 (is_body_block): Remove.
66 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
67 * dwarf2out.c (is_inlined_entry_point): Remove.
68 (add_high_low_attributes): Use inlined_function_outer_scope_p.
69 (gen_block_die): Use is_inlined_entry_point check. Remove body block
71 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
72 * gimplify.c (gimplify_expr): Gimplify body blocks.
73 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
74 block with multiple subblocks.
75 (dump_scope_block): Prettier output; dump more flags and info.
76 (dump_scope_blocks): New.
77 (remove_unused_locals): Use dump_scope_blocks.
78 * tree-flow.h (dump_scope_blocks): Declare.
79 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
80 * stmt.c (is_body_block): Remove.
81 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
82 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
84 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
87 * graphite.c (graphite_loop_normal_form): Do not call
88 number_of_iterations_exit from a gcc_assert.
90 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
92 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
93 jumps if COND is NULL.
94 (find_cond_jump): New function.
95 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
96 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
98 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
100 * config/alpha/alpha.h (alpha_expand_mov): Return false if
101 force_const_mem returns NULL_RTX.
103 2009-02-26 Jan Hubicka <jh@suse.cz>
106 * cgraph.h (varpool_output_debug_info): Remove.
107 * cgraphunit.c (varpool_output_debug_info): Remove.
108 * dwarf2out.c (deferred_locations_struct): New struct
109 (deferred_locations): New type.
110 (deferred_locations_list): New static var.
111 (deffer_location): New function.
112 (gen_variable_die): Use it.
113 (decls_for_scope): Output info on local static vars.
114 (dwarf2out_finish): Process deferred locations.
115 * varpool.c (varpool_output_debug_info): Remove.
117 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
119 PR rtl-optimization/39241
120 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
121 to subreg_offset_representable_p.
123 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
125 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
126 execute function prototype. Get f and nregs from max_reg_num
127 and get_insns. Remove the first backward pass as it's dead,
128 guard the forward pass by flag_expensive_optimizations.
129 (rest_of_handle_regmove): Delete.
130 (pass_regmove): Replace it with regmove_optimize.
132 2009-02-25 Martin Jambor <mjambor@suse.cz>
134 PR tree-optimization/39259
135 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
136 alls_alloca function flags.
137 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
140 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
142 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
143 flags_set_1_rtx, flags_set_1_set): Delete.
144 (regmove_optimize): Do not call mark_flags_life_zones.
146 2009-02-24 Julian Brown <julian@codesourcery.com>
149 * config/arm/arm.c (require_pic_register): Only set
150 cfun->machine->pic_reg once per function.
152 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
154 * doc/invoke.texi (Link Options): Document an easier way to pass
155 options that take arguments to the GNU linker using -Xlinker and -Wl.
157 2009-02-24 Steve Ellcey <sje@cup.hp.com>
160 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
162 2009-02-24 Richard Guenther <rguenther@suse.de>
165 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
167 2009-02-24 Richard Guenther <rguenther@suse.de>
168 Zdenek Dvorak <ook@ucw.cz>
170 PR tree-optimization/39233
171 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
172 from converting them to a generic type.
174 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
176 PR tree-optimization/39260
177 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
178 contains a condition with a real type.
179 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
181 2009-02-23 Jason Merrill <jason@redhat.com>
184 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
185 narrowing_initializer_constant_valid_p.
186 (narrowing_initializer_constant_valid_p): Don't return
187 null_pointer_node for adding a pointer to itself.
189 2009-02-23 Jan Hubicka <jh@suse.cz>
192 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
195 2009-02-23 Jan Hubicka <jh@suse.cz>
197 PR tree-optimization/37709
198 * tree.c (block_ultimate_origin): Move here from dwarf2out.
199 * tree.h (block_ultimate_origin): Declare.
200 * dwarf2out.c (block_ultimate_origin): Move to tree.c
201 * tree-ssa-live.c (remove_unused_scope_block_p):
202 Eliminate blocks containig no instructions nor live variables nor
204 (dump_scope_block): New function.
205 (remove_unused_locals): Enable removal of dead blocks by default;
206 enable dumping at TDF_DETAILS.
208 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
210 * config/i386/i386.c (classify_argument): Don't allow COImode
212 (function_arg_advance_32): Don't allow OImode.
213 (function_arg_32): Likewise.
214 (function_value_32): Likewise.
215 (return_in_memory_32): Likewise.
216 (function_arg_64): Remove OImode comment.
218 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
221 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
222 ix86_expand_vector_set for V4DImode in 64bit mode only.
223 (ix86_expand_vector_init_one_var): Likewise.
225 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
227 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
229 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
232 * loop-iv.c: Revert last change.
233 * emit-rtl.c: Likewise.
235 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
238 * config/i386/i386.c (type_natural_mode): Remove an extra
239 space in the warning message.
240 (function_value_32): Handle 32-byte vector modes.
241 (return_in_memory_32): Likewise.
243 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
245 * loop-iv.c (truncate_value): New function.
246 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
248 (lowpart_subreg): Move to...
249 * emit-rtl.c: ...here.
251 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
253 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
254 accidental and undocumented change at revision 140860.
256 2009-02-21 Joseph Myers <joseph@codesourcery.com>
258 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
259 take gimple_seq * arguments.
260 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
261 types_compatible_p langhook.
263 2009-02-20 Mark Mitchell <mark@codesourcery.com>
264 Joseph Myers <joseph@codesourcery.com>
266 * config/arm/arm.c (arm_builtin_va_list): New function.
267 (arm_expand_builtin_va_start): Likewise.
268 (arm_gimplify_va_arg_expr): Likewise.
269 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
270 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
271 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
272 (va_list_type): New variable.
273 (arm_mangle_type): Mangle va_list_type appropriately.
275 2009-02-20 Jakub Jelinek <jakub@redhat.com>
278 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
279 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
280 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
281 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
282 parameter to 1000 for -O1 by default.
283 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
285 * loop-invariant.c: Include params.h.
286 (move_loop_invariants): Don't call move_single_loop_invariants on
289 2009-02-20 Jaka Mocnik <jaka@xlab.si>
291 * calls.c (emit_library_call_value_1): Use slot_offset instead of
292 offset when calculating bounds for indexing stack_usage_map. Fixes
293 a buffer overflow with certain target setups.
295 2009-02-20 Jakub Jelinek <jakub@redhat.com>
298 * calls.c (expand_call): Clear try_tail_call if caller and callee
299 disagree in promotion of function return value.
301 2009-02-19 Jakub Jelinek <jakub@redhat.com>
304 * c-common.c (c_determine_visibility): If visibility changed and
305 DECL_RTL has been already set, call make_decl_rtl to update symbol
308 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
311 * varasm.c (assemble_variable): Don't check DECL_NAME when
312 globalizing a variable.
314 2009-02-19 Joseph Myers <joseph@codesourcery.com>
317 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
318 expression before any __builtin_trap call.
319 * c-typeck.c (build_function_call): Convert and check function
320 arguments before generating a call to a trap. Evaluate the
321 function arguments before the trap.
323 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
326 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
327 (UNSPEC_FXAM_MEM): New unspec.
328 (fxam<mode>2_i387_with_temp): New insn and split pattern.
329 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
330 memory using fxam<mode>2_i387_with_temp to remove excess precision.
332 2009-02-19 Richard Guenther <rguenther@suse.de>
334 PR tree-optimization/39207
335 PR tree-optimization/39074
336 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
337 storedanything_tree): New.
338 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
339 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
340 (build_succ_graph): Add edges from STOREDANYTHING to all
342 (init_base_vars): Initialize STOREDANYTHING.
343 (compute_points_to_sets): Free substitution info after
344 building the succ graph.
345 (ipa_pta_execute): Likewise.
347 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
349 (do_ds_constraint): Do not add to special var or non-pointer
351 (type_could_have_pointers): Split out from ...
352 (could_have_pointers): ... here. For arrays use the element type.
353 (create_variable_info_for): Initialize may_have_pointers.
354 (new_var_info): Likewise.
355 (handle_lhs_call): Make the HEAP variable unknown-sized.
356 (intra_create_variable_infos): Use a type with pointers for
357 PARM_NOALIAS, make it unknown-sized.
359 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
362 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
364 2009-02-18 Jason Merrill <jason@redhat.com>
367 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
368 value if DECL_EXTERNAL.
369 * tree-sra.c (sra_walk_gimple_assign): Likewise.
370 * target.h (gcc_target::binds_local_p): Clarify "module".
371 * tree.h (TREE_PUBLIC): Clarify "module".
373 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
376 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
377 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
379 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
382 * c.opt (Wabi): Support C and ObjC.
385 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
387 * config/i386/i386.c (classify_argument): Warn once about the ABI
388 change when passing union with long double.
390 * doc/invoke.texi: Update -Wabi for warning psABI changes.
392 2009-02-18 Joseph Myers <joseph@codesourcery.com>
395 * c-parser.c (c_parser_compound_statement): Always enter and leave
398 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
401 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
403 2009-02-18 Jakub Jelinek <jakub@redhat.com>
405 PR tree-optimization/36922
406 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
407 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
410 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
412 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
415 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
417 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
419 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
421 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
424 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
425 Richard Sandiford <rdsandiford@googlemail.com>
427 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
428 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
429 (loongson_biadd): ...this.
431 2009-02-17 Richard Guenther <rguenther@suse.de>
433 PR tree-optimization/39202
434 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
435 a var make sure to follow existing collapses.
437 2009-02-17 Richard Guenther <rguenther@suse.de>
440 * langhooks.c (lhd_print_error_function): Check for NULL block.
442 2009-02-17 Richard Guenther <rguenther@suse.de>
444 PR tree-optimization/39204
445 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
448 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
450 * config/soft-fp/double.h: Update from glibc CVS.
452 2009-02-17 Richard Guenther <rguenther@suse.de>
454 PR tree-optimization/39207
455 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
456 strict-aliasing warnings for pointers pointing to NULL.
458 2009-02-16 Joseph Myers <joseph@codesourcery.com>
461 * c-parser.c (c_parser_braced_init): Call pop_init_level when
462 skipping until next close brace.
464 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
467 * config/i386/i386.c (ix86_expand_push): Set memory alignment
468 to function argument boundary.
470 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
472 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
473 in the lea_add. Reload eventually constraints it properly.
474 * config/picochip/constraints.md : Remove the target constraint
475 "b", since it is not needed anymore.
477 2009-02-16 Jakub Jelinek <jakub@redhat.com>
479 * gthr-dce.h: Uglify function parameter and local variable names.
480 * gthr-gnat.h: Likewise.
481 * gthr-mipssde.h: Likewise.
482 * gthr-nks.h: Likewise.
483 * gthr-posix95.h: Likewise.
484 * gthr-posix.h: Likewise.
485 * gthr-rtems.h: Likewise.
486 * gthr-single.h: Likewise.
487 * gthr-solaris.h: Likewise.
488 * gthr-tpf.h: Likewise.
489 * gthr-vxworks.h: Likewise.
490 * gthr-win32.h: Likewise.
492 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
495 * config/i386/i386.md: Restrict the new peephole2 to move
496 between MMX/SSE registers.
498 2009-02-15 Richard Guenther <rguenther@suse.de>
501 2009-02-13 Richard Guenther <rguenther@suse.de>
503 * configure.ac: Enable LFS.
504 * configure: Re-generate.
505 * config.in: Likewise.
507 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
509 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
510 spu_srqwbyte, spu_srqwbytebc): Define.
511 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
512 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
513 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
514 "shrqby_<mode>"): New insn-and-split patterns.
515 * config/spu/spu.c (expand_builtin_args): Determine and return
516 number of operands using spu_builtin_description data.
517 (spu_expand_builtin_1): Use it.
519 2009-02-13 Steve Ellcey <sje@cup.hp.com>
522 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
525 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
528 * config/i386/i386.c (override_options): Correct warning
529 messages for -malign-loops, -malign-jumps and -malign-functions.
531 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
534 * config/i386/i386.md: Restrict the new peephole2 to move
535 between the general purpose registers.
537 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
540 * config/i386/i386.c (type_natural_mode): Add a new argument.
541 Return the original mode and warn ABI change if vector size is 32byte.
542 (function_arg_advance): Updated.
543 (function_arg): Likewise.
544 (ix86_function_value): Likewise.
545 (ix86_return_in_memory): Likewise.
546 (ix86_sol10_return_in_memory): Likewise.
547 (ix86_gimplify_va_arg): Likewise.
548 (function_arg_32): Don't warn ABX ABI change here.
549 (function_arg_64): Likewise.
551 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
553 * loop-iv.c (implies_p): In the final case, test that operands 0
554 of the two comparisons match.
556 * config/bfin/bfin.c (find_prev_insn_start): New function.
557 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
558 (find_next_insn_start): Move.
560 2009-02-13 Richard Guenther <rguenther@suse.de>
562 * configure.ac: Enable LFS.
563 * configure: Re-generate.
564 * config.in: Likewise.
566 2009-02-13 Joseph Myers <joseph@codesourcery.com>
569 * c-parser.c (c_parser_parms_list_declarator): Discard pending
570 sizes on syntax error after some arguments have been parsed.
572 2009-02-12 Jakub Jelinek <jakub@redhat.com>
574 * doc/invoke.texi (-fira): Remove.
576 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
578 * caller-save.c: Replace regclass.c with reginfo.c in comments.
582 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
584 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
585 (umul_ppmm): Likewise.
586 (count_leading_zeros): Likewise.
587 (count_trailing_zeros): Likewise.
588 (UMUL_TIME): Likewise.
590 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
592 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
593 soft-fp/t-softfp to tmake_file.
595 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
596 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
597 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
598 IA64_BUILTIN_INFQ]: New.
599 (ia64_init_builtins): Initialize __builtin_infq,
600 __builtin_fabsq and __builtin_copysignq if not HPUX.
601 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
602 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
604 * config/ia64/lib1funcs.asm (__divtf3): Define only if
606 (__fixtfti): Likewise.
607 (__fixunstfti): Likewise.
608 (__floattitf): Likewise.
610 * config/ia64/libgcc-glibc.ver: New.
611 * config/ia64/t-fprules-softfp: Likewise.
612 * config/ia64/sfp-machine.h: Likewise.
614 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
615 (LIBGCC2_TF_CEXT): Likewise.
617 (TARGET_INIT_LIBFUNCS): Likewise.
619 * config/ia64/t-glibc (SHLINB_MAPFILES):
620 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
622 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
624 * config/i386/i386.c (construct_container): Rewrite processing
625 BLKmode with X86_64_SSE_CLASS.
627 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
630 * config/i386/i386.md: Replace simplify_replace_rtx with
631 replace_rtx in the new peephole2.
633 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
635 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
636 loop unrolling do not happen at -O2.
638 2009-02-12 Michael Matz <matz@suse.de>
640 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
642 2009-02-12 Jakub Jelinek <jakub@redhat.com>
644 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
647 2009-02-12 Ben Elliston <bje@au.ibm.com>
649 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
650 patterns when updating the back chain. Missed in the 2009-02-10
653 2009-02-11 Janis Johnson <janis187@us.ibm.com>
655 * doc/extend.texi (Decimal Floating Types): Update identifier of
656 draft TR and list of missing support.
658 2009-02-11 Jakub Jelinek <jakub@redhat.com>
661 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
662 bit to variable length decl's flags, add it also to its
663 pointer replacement variable.
665 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
666 Jakub Jelinek <jakub@redhat.com>
669 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
670 (memory_blockage): New expander.
671 (*memory_blockage): New insn pattern.
672 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
673 instead of general blockage at the end of function prologue when
674 frame pointer is used to access red zone area. Do not emit blockage
675 when profiling, it is emitted in generic code.
676 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
677 function epilogue when frame pointer is used to access red zone area.
679 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
682 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
683 by arithmetic with memory operands.
684 * config/i386/predicates.md (commutative_operator): New.
686 2009-02-10 Janis Johnson <janis187@us.ibm.com>
688 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
691 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
693 * alias.h (record_alias_subset): Declare.
694 * alias.c (record_alias_subset): Make global.
696 2009-02-10 Nick Clifton <nickc@redhat.com>
698 * tree-parloops.c: Change license to GPLv3.
699 * ipa-struct-reorg.c: Change license to GPLv3.
700 * ipa-struct-reorg.h: Change license to GPLv3.
702 2009-02-10 Steve Ellcey <sje@cup.hp.com>
705 * c-decl.c (start_struct): Return NULL on error.
707 2009-02-10 Jakub Jelinek <jakub@redhat.com>
710 * cfgloopmanip.c (remove_path): Call remove_bbs after
711 cancel_loop_tree, not before it.
714 * function.h (struct function): Add has_local_explicit_reg_vars bit.
715 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
717 * tree-ssa-live.c (remove_unused_locals): Recompute
718 cfun->has_local_explicit_reg_vars.
719 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
720 copies or clearings if cfun->has_local_explicit_reg_vars.
722 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
725 * config/i386/i386.c (expand_prologue): Emit blockage at the end
726 of function prologue when frame pointer is used to access
729 2009-02-10 Richard Guenther <rguenther@suse.de>
732 * gimplify.c (gimple_regimplify_operands): Always look if
733 we need to create a temporary.
735 2009-02-10 Richard Guenther <rguenther@suse.de>
737 PR tree-optimization/39132
738 * tree-loop-distribution.c (todo): New global var.
739 (generate_memset_zero): Trigger TODO_rebuild_alias.
740 (tree_loop_distribution): Return todo.
742 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
745 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
746 (x86_64_reg_class_name): Removed.
747 (classify_argument): Return 0 if bytes > 32. Return 0 if the
748 first one isn't X86_64_SSE_CLASS or any other ones aren't
749 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
750 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
751 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
752 and 3 X86_64_SSEUP_CLASS.
753 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
754 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
756 2009-02-10 Ben Elliston <bje@au.ibm.com>
758 * config/rs6000/rs6000.md (allocate_stack): Always use an update
759 form instruction to update the stack back chain word, even if the
760 user has disabled the generation of update instructions.
761 (movdi_<mode>_update_stack): New.
762 (movsi_update_stack): Likewise.
763 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
764 always use an update form instruction to update the stack back
767 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
770 * graphite.c (if_region_set_false_region): After moving a region in
771 the false branch of a condition, remove the empty dummy basic block.
772 (gloog): Remove wrong fix for PR38953.
774 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
776 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
777 generation due to implicit sign extension.
779 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
782 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
783 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
785 2009-02-09 Richard Guenther <rguenther@suse.de>
788 * convert.c (convert_to_real): Disable (float)fn((double)x)
789 to fnf(x) conversion if errno differences may occur and
792 2009-02-07 Anatoly Sokolov <aesok@post.ru>
794 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
795 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
796 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
798 2009-02-06 Joseph Myers <joseph@codesourcery.com>
801 * c-common.c (handle_alias_attribute): Disallow attribute for
802 anything not a FUNCTION_DECL or VAR_DECL.
804 2009-02-06 Janis Johnson <janis187@us.ibm.com>
807 * real.c (do_compare): Special-case compare of zero against
810 2009-02-06 Joseph Myers <joseph@codesourcery.com>
813 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
814 as indicating flexible array members unless the field itself is
815 being declarared as the incomplete array.
817 2009-02-06 Jan Hubicka <jh@suse.cz>
819 PR tree-optimization/38844
820 * ipa-inline.c (try_inline): Stop inlining recursion when edge
823 2009-02-06 Richard Guenther <rguenther@suse.de>
826 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
827 fork because we may expand it as __gcov_fork.
829 2009-02-06 Nick Clifton <nickc@redhat.com>
831 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
833 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
835 PR tree-optimization/35659
836 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
837 vn_phi_eq): Shortcut if hashcode does not match.
838 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
840 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
841 and avoid iterative_hash_expr.
842 (FOR_EACH_VALUE_ID_IN_SET): New.
843 (value_id_compare): Remove.
844 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
845 sort expressions by value id.
847 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
850 * config/sh/predicates.md (general_movsrc_operand): Don't check
851 the subreg of system registers here.
853 2009-02-05 Jakub Jelinek <jakub@redhat.com>
856 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
859 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
861 PR rtl-optimization/39110
862 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
863 addresses, not aligned ones.
865 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
866 Richard Guenther <rguenther@suse.de>
868 PR tree-optimization/39100
869 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
870 comment says and add edges.
872 2009-02-05 Joseph Myers <joseph@codesourcery.com>
875 * c-common.c (handle_tls_model_attribute): Ignore attribute for
876 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
878 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
880 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
881 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
882 register_bb_in_sese, new_sese, free_sese): Moved.
883 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
884 outermost_loop_in_scop, build_scop_iteration_domain,
885 expand_scalar_variables_ssa_name, get_vdef_before_scop,
886 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
887 Use loop_in_sese_p instead of loop_in_scop_p.
888 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
889 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
890 (scopdet_basic_block_info): Fix bug in scop detection.
891 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
892 eq_loop_to_cloog_loop): Remove.
893 (nb_loops_around_loop_in_scop, nb_loop
894 ref_nb_loops): Moved here...
895 * graphite.h (ref_nb_loops): ... from here.
896 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
897 (loop_domain_dim, loop_iteration_vector_dim): Remove.
898 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
899 * testsuite/gcc.dg/graphite/scop-19.c: New
901 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
902 Hans-Peter Nilsson <hp@axis.com>
904 PR rtl-optimization/37889
905 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
906 Move offset handling from PLUS to before the switch. Use new
907 arguments when considering SYMBOL_REFs too.
908 (rtx_addr_can_trap_p): Pass dummy offset and size.
909 (enum may_trap_p_flags): Remove.
910 (may_trap_p_1): Pass size from MEM_SIZE.
912 PR rtl-optimization/38921
913 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
914 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
915 * rtlanal.c (may_trap_after_code_motion_p): Delete.
916 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
918 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
920 AVX Programming Reference (January, 2009)
921 * config/i386/sse.md (*vpclmulqdq): New.
923 2009-02-04 Jakub Jelinek <jakub@redhat.com>
925 PR tree-optimization/38977
926 PR gcov-profile/38292
927 * calls.c (special_function_p): Disregard __builtin_ prefix.
929 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
931 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
932 non-indexable addresses even before reload.
934 2009-02-03 Joseph Myers <joseph@codesourcery.com>
937 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
938 as having variable size. Do not give an error for unnamed
939 parameters with [*] declarators. Give a warning for type names
940 with [*] declarators and mark them as variable size.
941 * c-parser.c (c_parser_sizeof_expression): Do not give an error
942 for sizeof applied to [*] type names.
944 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
947 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
949 2009-02-03 Jakub Jelinek <jakub@redhat.com>
951 * gcc.c (process_command): Update copyright notice dates.
952 * gcov.c (print_version): Likewise.
953 * gcov-dump.c (print_version): Likewise.
954 * mips-tfile.c (main): Likewise.
955 * mips-tdump.c (main): Likewise.
957 2009-02-03 Joseph Myers <joseph@codesourcery.com>
960 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
961 for composite type involving a zero-length array type.
963 2009-02-03 Jakub Jelinek <jakub@redhat.com>
966 * function.c (match_asm_constraints_1): Skip over
967 initial optional % in the constraint.
970 * c-parser.c (c_parser_postfix_expression): If fixed point is not
971 supported, don't accept FIXED_CSTs.
972 * c-decl.c (finish_declspecs): Error if fixed point is not supported
973 and _Sat is used without _Fract/_Accum. Set specs->type to
974 integer_type_node for cts_fract/cts_accum if fixed point is not
977 2009-02-02 Catherine Moore <clm@codesourcery.com>
979 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
981 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
983 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
984 (ABI_HAS_64BIT_SYMBOLS): Use it.
985 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
987 2009-02-02 Paul Brook <paul@codesourcery.com>
989 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
991 2009-02-02 Jakub Jelinek <jakub@redhat.com>
994 * recog.h (asm_operand_ok): Add constraints argument.
995 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
996 recurse on matching constraint.
997 (check_asm_operands): Pass constraints as 3rd argument to
998 asm_operand_ok. Don't look up matching constraint here.
999 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1002 2009-02-02 Ben Elliston <bje@au.ibm.com>
1004 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1005 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1007 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1009 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1010 information. Remove some obsolete information. Reorganize.
1012 * config/pa/fptr.c: Revert license to GPL 2.
1013 * config/pa/milli64.S: Likewise.
1015 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1018 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1019 LIBRARY name in, instead of hard-coding it.
1020 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1021 extra target make frag to tmake_files according to EH model.
1022 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1023 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1024 frags that define makefile variable EH_MODEL appropriately.
1025 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1026 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1027 to "-sjlj" according to type of EH configured.
1028 (LIBGCC_SONAME): Concatenate it to shared library base name.
1029 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1030 to "_sjlj" according to type of EH configured.
1031 (LIBGCC_SONAME): Concatenate it to shared library base name.
1032 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1033 (SHLIB_LINK): Add missing semicolon to if-else construct.
1034 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1035 string value of "pe_dll" command-line option.
1036 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1037 (SHLIB_SONAME): Use it when overriding t-cygming default.
1038 (SHLIB_IMPLIB): Override t-cygming default.
1039 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1040 string value of "pe_dll" command-line option.
1042 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1045 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1046 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1048 2009-01-31 Richard Guenther <rguenther@suse.de>
1050 PR tree-optimization/38937
1051 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1052 computing the transitive closure.
1054 2009-01-30 Richard Guenther <rguenther@suse.de>
1056 PR tree-optimization/39041
1057 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1058 Propagate variable indices only if the types match for this stmt.
1060 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1063 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1064 inline but never defined.
1066 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1068 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1069 (*insv_h_di_reg_extimm): New insn.
1070 (*insv_l<mode>_reg_extimm): New insn.
1072 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1074 * config/picochip/picochip.c (flag_conserve_stack): set
1075 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1076 fconserve-stack. Reduce call-overhead used by inliner.
1078 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1081 * common.opt (flag_conserve_stack): Initialised to zero.
1083 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1086 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1087 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1090 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1092 * ira-color.c (allocno_reload_assign): Update comments.
1093 * regmove.c (regmove_optimize): Likewise.
1097 2009-01-29 Robert Millan <rmh@aybabtu.com>
1099 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1100 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1101 `MD_UNWIND_SUPPORT'.
1102 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1104 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1106 PR tree-optimization/39007
1107 * tree-loop-distribution.c (generate_builtin): Use
1108 recompute_dominator to compute the immediate dominator of the
1109 basic block just after the loop.
1111 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1113 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1114 (ASM_OUTPUT_DWARF_PCREL): Define.
1116 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1118 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1119 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1120 global. Modify entries about regmove and IRA.
1122 * ra-conflict.c: Remove the file.
1124 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1126 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1127 (pass_regclass_init): Rename to pass_reginfo_init.
1129 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1131 * toplev.h (flag_ira): Remove.
1133 * caller-save.c (setup_save_areas): Remove flag_ira.
1135 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1137 * global.c: Remove the file.
1139 * opts.c: (decode_options): Remove flag_ira.
1141 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1143 * regmove.c: Modify file description.
1144 (find_use_as_address, try_auto_increment): Define them only if
1145 AUTO_INC_DEC is defined.
1146 (replacement_quality, replace_in_call_usage, fixup_match_1,
1147 stable_and_no_regs_but_for_p): Remove.
1148 (reg_set_in_bb): Make it static.
1149 (regmove_optimize): Remove flag_ira and code which worked for
1152 * local-alloc.c: Remove the file.
1154 * common.opt (fira): Remove.
1156 * ira.c: Include except.h.
1157 (eliminable_regset): Move from global.c.
1158 (mark_elimination): Ditto. Remove flag_ira.
1159 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1160 equiv_mem_modified, validate_equiv_mem_from_store,
1161 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1162 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1163 no_equiv, recorded_label_ref): Move from local-alloc.c.
1164 (update_equiv_regs): Ditto. Make it static.
1165 (print_insn_chain, print_insn_chains): Move it from global.c.
1166 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1167 (build_insn_chain): Ditto. Make it static.
1168 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1169 Rename to init_live_subregs.
1170 (gate_ira): Remove flag_ira.
1172 * regclass.c: Rename reginfo.c. Change file description.
1173 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1174 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1175 (init_reg_sets_1): Remove code for evaluation of
1176 reg_class_superclasses and losing_caller_save_reg_set.
1177 (init_regs): Remove init_reg_autoinc.
1178 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1179 ok_for_base_p_nonstrict): Remove.
1180 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1181 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1182 corresponding entries.
1183 (dump_regclass, record_operand_costs, scan_one_insn,
1184 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1185 record_address_regs, auto_inc_dec_reg_p): Remove.
1186 (gt-regclass.h): Rename to gt-reginfo.h.
1188 * rtl.h (dump_global_regs, retry_global_alloc,
1189 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1191 * Makefile.in (RA_H): Remove.
1192 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1193 Rename regclass.o to reginfo.o.
1194 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1196 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1197 (GTFILES): Rename regclass.c to reginfo.c.
1199 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1200 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1202 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1203 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1205 (finish_spills): Ditto. Remove code for !flag_ira.
1207 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1210 * doc/invoke.texi (rtl debug options): Complete rewrite.
1211 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1213 * mode-switching.c (pass_mode_switching): Rename pass from
1214 "mode-sw" to "mode_sw".
1215 * except.c (pass_convert_to_eh_ranges): Rename pass from
1216 "eh-ranges" to "eh_ranges".
1217 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1221 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1222 Alexander Monakov <amonakov@ispras.ru>
1225 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1227 (move_exprs_to_boundary): Change return type and pass through
1228 should_move from move_op. Relax assert. Update usage ...
1229 (schedule_expr_on_boundary): ... here. Use should_move instead of
1231 (move_op_orig_expr_found): Indicate that insn was disconnected from
1233 (code_motion_process_successors): Do not call after_merge_succs
1234 callback if original expression was not found when traversing any of
1236 (code_motion_path_driver): Change return type. Update prototype.
1237 (move_op): Update comment. Add a new parameter (should_move). Update
1238 prototype. Set *should_move based on indication provided by
1239 move_op_orig_expr_found.
1241 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1243 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1244 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1245 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1246 * config/rs6000/rs6000.c (rs6000_override_options): Default
1247 avoid-indexed-addresses on for Power6, off for everything else.
1248 (avoiding_indexed_address_p): New function.
1249 (rs6000_legitimize_address): Use it.
1250 (rs6000_legitimate_address): Likewise.
1251 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1253 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1255 PR tree-optimization/38997
1256 * tree-loop-distribution.c (generate_memset_zero): Use
1257 POINTER_PLUS_EXPR for a pointer addition.
1259 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1261 * config/s390/s390.md (bswap<mode>2): New pattern added.
1263 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1265 * config/s390/s390.md (*tls_load_31): Added type attribute.
1267 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1269 * config/s390/s390.md: Fix a few comments.
1271 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1273 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1274 (*tm<mode>_full): Fixed z10prop attribute.
1275 (*tst<mode>_extimm): Fixed z10prop attribute.
1276 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1277 (*tstqiCCT_cconly): Fixed z10prop attribute.
1278 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1279 (*movsi_larl): Fixed z10prop attribute.
1280 (*movsi_zarch): Fixed z10prop attribute.
1281 (*movsi_eas): Fixed z10prop attribute.
1282 (*movhi): Fixed z10prop attribute.
1283 (*movqi): Fixed z10prop attribute.
1284 (*movstrictqi): Fixed z10prop attribute.
1285 (*mov<mode>): Fixed z10prop attribute.
1286 (*movcc): Fixed z10prop attribute.
1287 (*sethighpartdi_64): Fixed z10prop attribute.
1288 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1289 (*negdi2_sign_cc): Fixed z10prop attribute.
1290 (*negdi2_sign): Fixed z10prop attribute.
1291 (*absdi2_sign_cc): Fixed z10prop attribute.
1292 (*absdi2_sign): Fixed z10prop attribute.
1293 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1294 (*negabsdi2_sign): Fixed z10prop attribute.
1295 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1296 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1297 (doloop_si64): Fixed z10prop attribute.
1298 (doloop_si31): Fixed z10prop attribute.
1299 (doloop_long): Fixed z10prop attribute.
1300 (indirect_jump): Fixed z10prop attribute.
1301 (nop): Fixed z10prop attribute.
1302 (main_base_64): Fixed z10prop attribute.
1303 (reload_base_64): Fixed z10prop attribute.
1305 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1307 PR rtl-optimization/38740
1308 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1310 * config/mips/mips.c (mips_reorg): Likewise.
1312 2009-01-28 Richard Guenther <rguenther@suse.de>
1314 PR tree-optimization/38926
1315 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1316 with the correct value id to a value.
1317 (do_regular_insertion): Use the value number of edoubleprime
1318 for the value number of the expr.
1321 2008-08-21 Richard Guenther <rguenther@suse.de>
1323 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1324 a PHI ask VN if it is already available.
1325 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1326 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1328 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1331 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1332 set to varying whenever max has TREE_OVERFLOW set, similarly
1333 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1335 2009-01-28 Richard Guenther <rguenther@suse.de>
1338 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1339 uninitialized aggregate uses in call arguments.
1341 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1343 PR tree-optimization/38984
1344 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1345 the nothing_id variable if -fno-delete-null-pointer-checks.
1347 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1350 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1351 (set_got_offset_rex64): Ditto.
1353 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1356 * doc/extend.texi: Improve local variable with asm reg.
1358 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1360 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1361 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1362 was not supplied then set warn_packed_bitfield_compat to the
1364 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1367 2009-01-27 Richard Guenther <rguenther@suse.de>
1369 PR tree-optimization/38503
1370 * cfgexpand.c (expand_gimple_basic_block): Ignore
1371 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1372 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1373 variables that cannot have TBAA applied.
1374 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1377 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1380 * calls.c (initialize_argument_information): Do not wrap complex
1381 arguments in SAVE_EXPR.
1383 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1385 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1386 (INSTALL_LIBGCC): Revert typo commit.
1388 2009-01-26 Richard Guenther <rguenther@suse.de>
1390 PR tree-optimization/38745
1391 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1392 from special handling.
1394 2009-01-26 Richard Guenther <rguenther@suse.de>
1396 PR tree-optimization/38745
1397 * tree-ssa.c (execute_update_addresses_taken): Do not include
1398 variables that cannot possibly be a register in not_reg_needs.
1399 Do not clear TREE_ADDRESSABLE on vars that may not become
1401 * tree-ssa.c (update_alias_info_1): Include those in the set
1402 of addressable vars.
1404 2009-01-26 Richard Guenther <rguenther@suse.de>
1407 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1408 * tree-ssa-dse.c: Include langhooks.h
1409 (execute_simple_dse): Remove stores with zero size.
1411 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1414 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1417 2009-01-24 Julian Brown <julian@codesourcery.com>
1419 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1420 config/arm/linux-atomic.c.
1421 * config/arm/linux-atomic.c: New.
1423 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1425 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1426 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1427 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1429 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1432 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1435 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1437 PR tree-optimization/38953
1438 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1439 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1440 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1441 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1444 2009-01-24 Paul Brook <paul@codesourcery.com>
1446 * config/arm/neon.md (neon_type): Move to arm.md.
1447 (neon_mov<VSTRUCT>): Add neon_type attribute.
1448 * config/arm/arm.md (neon_type): Move to here.
1449 (conds): Add "unconditioal" and use as default for NEON insns.
1451 2009-01-24 Ben Elliston <bje@au.ibm.com>
1453 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1454 void *' warning from -Wc++-compat.
1455 * Makefile.in (dominance.o-warn): Remove.
1457 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1459 PR tree-optimization/38932
1460 * fold-const.c (fold_unary_ignore_overflow): New.
1461 * tree.h (fold_unary_ignore_overflow): Declare.
1462 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1463 * tree-ssa-sccvn.c (visit_reference_op_load,
1464 simplify_unary_expression): Likewise.
1466 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1468 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1469 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1470 regardless of their type.
1471 * c-common.c (handle_packed_attribute): Don't ignore packed on
1473 * c.opt (Wpacked-bitfield-compat): New warning option.
1474 * stor-layout.c (place_field): Warn if offset of a field changed.
1475 * doc/extend.texi (packed): Mention the ABI change.
1476 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1477 (Warning Options): Add it to the list.
1479 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1481 * c-opts.c (c_common_post_options): Fix a typo in comments.
1483 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1486 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1487 variables to static.
1488 * doc/invoke.texi (-fmerge-all-constants): Update description.
1490 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1493 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1494 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1496 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1498 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1500 (LOCAL_ALIGNMENT): Similarly.
1502 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1503 Joseph Myers <joseph@codesourcery.com>
1505 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1506 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1507 * config/arm/arm-tune.md: Regenerate.
1508 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1511 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1513 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1514 version number to five.
1516 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1519 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1520 * c-common.c (set_underlying_type): Likewise.
1521 (is_typedef_decl ): Likewise
1523 (set_underlying_type): Likewise.
1524 (is_typedef_type): Likewise.
1526 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1529 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1532 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1535 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1536 (LIBGCC_SPEC): Don't define.
1537 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1539 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1541 PR rtl-optimization/38879
1542 * alias.c (base_alias_check): Unaligned access via AND address can
1543 alias all surrounding object types except those with sizes equal
1544 or wider than the size of unaligned access.
1546 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1549 * c-decl.c: (clone_underlying_type): Move this ...
1550 * c-common.c (set_underlying_type): ... here.
1551 Also, make sure the function properly sets TYPE_STUB_DECL() on
1552 the newly created typedef variant type.
1553 (is_typedef_decl ): New entry point.
1554 * tree.h: Added a new member member_types_needing_access_check to
1555 struct tree_decl_non_common.
1556 (set_underlying_type): New entry point.
1557 (is_typedef_type): Likewise.
1559 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1561 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1562 Check whether two instructions have memory references that
1563 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1564 are helper functions for traversing.
1565 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1566 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1567 not to draw dependency edge for instructions with non-conflicting
1570 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1573 * longlong.h: Update copyright years. Use soft-fp license notice.
1574 Sync __clz_tab declaration with glibc.
1576 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1579 * doc/extend.texi (syscall_linkage): New.
1580 (version_id): Modify.
1582 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1583 Richard Guenther <rguenther@suse.de>
1585 PR tree-optimization/38747
1586 PR tree-optimization/38748
1587 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1588 conversion if the base address is an indirect reference and the
1589 aliasing sets could cause issues.
1591 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1593 * common.opt (fgraphite, fgraphite-identity): Add comment for
1594 explaining why these options are not documented.
1596 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1598 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1599 gimple_call_lhs is NULL.
1601 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1604 * emit-rtl.c (adjust_address_1): Make sure memref is never
1607 2009-01-20 Ben Elliston <bje@au.ibm.com>
1609 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1610 const qualifier from arg parameter. Remove unnecessary cast to char *.
1611 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1612 const qualifier from arg 2.
1614 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1616 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1618 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1621 * rtl.h (reinit_regs): New prototype.
1622 * regclass.c: Include ira.h.
1624 * Makefile.in (regclass.o): Add ira.h.
1625 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1627 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1630 * c-common.c (handle_aligned_attribute): Use
1631 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1632 default alignment value.
1634 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1636 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1637 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1639 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1640 __BIGGEST_ALIGNMENT__.
1642 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1644 2009-01-18 Richard Guenther <rguenther@suse.de>
1646 PR tree-optimization/38819
1647 * tree-flow.h (operation_could_trap_helper_p): Declare.
1648 * tree-eh.c (operation_could_trap_helper_p): Export.
1649 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1650 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1651 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1652 are about to insert a possibly trapping instruction and fail
1655 2009-01-18 Andreas Schwab <schwab@suse.de>
1657 * doc/install.texi (Configuration): Remove obsolete paragraph
1658 about use of --with-gnu-ld with --with-gnu-as.
1660 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1662 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1663 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1664 Follow spelling conventions.
1666 2009-01-18 Ben Elliston <bje@au.ibm.com>
1668 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1669 C++ warning about implicit conversion from void * to struct
1671 (bitmap_obstack_free): Likewise for bitmap_element *.
1672 * Makefile.in (bitmap.o-warn): Remove.
1674 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1676 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1678 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1679 Tobias Grosser <tobi.grosser@amd.com>
1681 * graphite.c (graphite_trans_scop_block): Do not block single
1684 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1686 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1687 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1688 test with assertion.
1690 2009-01-16 Richard Guenther <rguenther@suse.de>
1692 PR tree-optimization/38835
1694 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1695 and INT + PTR -> (INT)(PTR p+ INT) folding.
1696 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1698 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1701 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1702 the subreg from a lowpart subreg if it is also casting the value.
1704 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1705 Tobias Grosser <tobi.grosser@amd.com>
1707 * graphite.c (compare_prefix_loops): New.
1708 (build_scop_canonical_schedules): Rewritten.
1709 (graphite_transform_loops): Move build_scop_canonical_schedules
1710 after build_scop_iteration_domain.
1712 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1713 Tobias Grosser <tobi.grosser@amd.com>
1715 * graphite.c (add_conditions_to_domain): Add the loops to
1716 the dimension of the iteration domain. Do copy the domain
1717 only when it exists.
1718 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1719 (add_conditions_to_constraints): New.
1720 (can_generate_code_stmt, can_generate_code): Removed.
1721 (gloog): Do not call can_generate_code.
1722 (graphite_transform_loops): Call add_conditions_to_constraints
1723 after building the iteration domain.
1725 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1727 PR tree-optimization/38789
1728 * tree-ssa-threadedge.c
1729 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1730 __builtin_constant_p.
1732 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1734 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1735 examined before deleting them.
1737 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1739 * function.c (aggregate_value_p): Correctly extract the function
1740 type from CALL_EXPR_FN lookup.
1742 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1744 * config/picochip/picochip.c (picochip_override_options): Revert
1745 CFI asm flag disable commited previously.
1747 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1748 Tobias Grosser <tobi.grosser@amd.com>
1749 Jan Sjodin <jan.sjodin@amd.com>
1751 * graphite.c (scan_tree_for_params): On substractions negate
1752 all the coefficients of the term.
1753 (clast_to_gcc_expression_red): New. Handle reduction expressions
1754 of more than two operands.
1755 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1756 (get_vdef_before_scop): Handle also the case of default definitions.
1758 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1760 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1761 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1762 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1764 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1765 Joey Ye <joey.ye@intel.com>
1768 * cfgexpand.c (expand_stack_alignment): Don't update stack
1769 boundary nor check incoming stack boundary here.
1770 (gimple_expand_cfg): Update stack boundary and check incoming
1771 stack boundary here.
1773 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1775 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1777 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1779 PR rtl-optimization/38245
1780 * calls.c (expand_call): Add stack arguments to
1781 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1782 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1783 in regs and partially in memory or BLKmode arguments.
1784 (emit_library_call_value_1): Add stack arguments to
1785 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1786 ACCUMULATE_OUTGOING_ARGS).
1787 * dce.c: Include tm_p.h.
1788 (find_call_stack_args): New function.
1789 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1791 (mark_insn): Call find_call_stack_args for CALL_Ps.
1792 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1793 forwards. Allocate and free arg_stores bitmap if needed, pass it
1794 down to deletable_insn_p, don't mark stores set in arg_stores
1795 bitmap, clear the bitmap at the beginning of each bb.
1796 * Makefile.in (dce.o): Depend on $(TM_P_H).
1798 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1801 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1802 to make sure the insn is a conditional test (bug 22599). Reformat a
1805 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1808 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1809 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1810 (gloog): Do not call cleanup_tree_cfg.
1811 (graphite_transform_loops): Call cleanup_tree_cfg after all
1812 scops have been code generated.
1814 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1815 * doc/gty.texi (Invoking the garbage collector): Added new node
1816 and section documenting ggc_collect.
1818 2009-01-14 Richard Guenther <rguenther@suse.de>
1820 PR tree-optimization/38826
1822 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1823 initialization notes only if we actually emitted a warning.
1824 (intra_create_variable_infos): Add constraints for a result decl
1825 that is passed by hidden reference.
1826 (build_pred_graph): Mark all related variables non-direct on
1829 2009-01-14 Nick Clifton <nickc@redhat.com>
1831 * ira-conflicts.c: Include addresses.h for the definition of
1833 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1834 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1836 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1839 * Makefile.in (ira-lives.o): Add except.h.
1841 * ira-lives.c: Include except.h.
1842 (process_bb_node_lives): Process can_throw_internal.
1844 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1846 PR rtl-optimization/38774
1847 * combine.c (simplify_set): When undoing cc_use change, don't do
1848 PUT_CODE on the newly created comparison, but instead put back the
1851 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1853 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1854 values. Remove duplicate arm8 entry.
1856 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1858 PR tree-optimization/38786
1859 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1860 the SSA_NAME case of expand_scalar_variables_expr.
1861 Set the type of an expression to the type of its assign statement.
1862 (expand_scalar_variables_expr): Also gather the scalar computation
1863 used to index the memory access. Do not pass loop_p.
1864 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1865 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1866 the gimple_stmt_iterator where it inserts new code.
1868 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1869 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1871 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1873 * graphite.h (debug_value): Removed.
1874 * graphite.c (debug_value): Removed.
1876 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1878 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1879 ldrd/strd with two 32-bit instructions.
1881 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1883 * config/arm/arm.c (struct processors): Pass for speed down into
1884 cost helper functions.
1885 (const_ok_for_op): Handle COMPARE and inequality nodes.
1886 (arm_rtx_costs_1): Rewrite.
1887 (arm_size_rtx_costs): Update prototype.
1888 (arm_rtx_costs): Pass speed down to helper functions.
1889 (arm_slowmul_rtx_costs): Rework cost calculations.
1890 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1891 (arm_9e_rtx_costs): Likewise.
1893 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1895 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1896 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1897 (alpha_legitimize_address): Do not split local symbols wider than
1898 UNITS_PER_WORD into HIGH/LO_SUM parts.
1900 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1903 * gcc.c (process_command): Replace call to execvp with calls
1904 to pex_one and exit.
1906 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1909 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1910 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1911 variant for devices with 3-byte PC.
1912 (__tablejump_elpm__) : New.
1914 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1917 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1918 offsetof member-designator, handle it as `[0].'.
1920 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1922 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1923 function when not using named sections on targets with named sections
1924 if branch distance is less than 262132.
1926 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1928 * combine.c (combine_instructions): Recompute
1929 optimize_this_for_speed_p for each BB in the main combine loop.
1931 2009-01-12 Tomas Bily <tbily@suse.cz>
1934 * tree-loop-distribution.c (prop_phis): New function.
1935 (generate_builtin): Call prop_phis.
1936 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1938 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1940 PR tree-optimization/38807
1941 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1942 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1944 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1946 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1947 subreg of op0 to the original op0.
1949 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1951 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1953 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1956 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1957 starting with digits.
1959 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1962 * config/arm/arm.c (arm_is_long_call_p): Don't call
1963 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1965 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1967 * regrename.c (regrename_optimize): Fix dumping.
1968 (find_oldest_value_reg): Preserve REG_POINTER.
1969 (copy_hardreg_forward_1): Likewise.
1971 2009-01-09 Diego Novillo <dnovillo@google.com>
1973 * gimple.h (struct gimple_statement_base) <uid>: Document
1974 the restrictions on its use.
1976 (gimple_set_uid): Tidy.
1978 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1980 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1981 zero guard even if align_bytes != 0 and count is smaller than
1984 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
1986 PR rtl-optimization/38495
1987 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1988 (add_range_and_copies_from_move_list): Print all added ranges.
1989 Add ranges to memory optimized destination.
1991 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1995 * config/i386/i386.c (override_options): Reject
1996 -mstringop-strategy=rep_8byte with -m32.
1997 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1998 to 1. Do count comparison against epilogue_size_needed at compile
1999 time even when count_exp was constant forced into register. For
2000 size_needed don't jump to epilogue, instead just avoid aligning
2001 and invoke the body algorithm. If need_zero_guard, add zero guard
2002 even if count is non-zero, but smaller than size_needed + number of
2003 bytes that could be stored for alignment.
2004 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2005 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2006 but smaller than size_needed + number of bytes that could be stored
2007 for alignment. Compare size_needed with epilogue_size_needed instead
2008 of desired_align - align, don't adjust size_needed, pass
2009 epilogue_size_needed to the epilogue expanders.
2012 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2014 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2016 * pa.c (last_address): Change to unsigned.
2017 (update_total_code_bytes): Change argument to unsigned. Don't
2018 check if insn addresses are set.
2019 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2020 addresses are not set.
2021 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2023 2009-01-09 Nick Clifton <nickc@redhat.com>
2025 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2026 DECL_DECLARED_INLINE_P.
2028 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2031 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2032 GET_MODE (op0) in operand_subword_force calls.
2035 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2036 fold_convert arg0 operands to TREE_TYPE (op0) first.
2038 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2040 * params.def (ira-max-conflict-table-size): Decrease default value
2043 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2045 PR tree-optimization/37031
2046 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2048 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2049 allocate it using gc instead of heap, use VEC_quick_push instead of
2051 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2052 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2053 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2054 allocated vector from heap allocated.
2055 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2056 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2057 vector only after perfect_loop_nest_depth call.
2059 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2060 Jan Sjodin <jan.sjodin@amd.com>
2062 PR tree-optimization/38559
2063 * graphite.c (debug_value, copy_constraint,
2064 swap_constraint_variables, scale_constraint_variable, ): New.
2065 (get_lower_bound, get_upper_bound): Removed.
2066 (graphite_trans_bb_strip_mine): Clean up this code that works
2067 only for constant number of iterations. Fully copy upper and
2068 lower bound constraints, not only the constant part of them.
2069 * graphite.h (debug_value): Declared.
2071 2009-01-08 Ira Rosen <irar@il.ibm.com>
2073 PR tree-optimization/37194
2074 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2075 Don't add the cost of cost model guard in prologue to scalar
2076 outside cost in case of known number of iterations.
2078 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2079 Alan Modra <amodra@bigpond.net.au>
2081 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2082 non-word-aligned REG+CONST addressing.
2084 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2087 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2088 free_after_compilation when outputting a thunk.
2089 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2090 Do not call free_after_compilation here.
2092 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2094 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2095 (ix86_valid_target_attribute_inner_p): Ditto.
2097 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2099 PR tree-optimization/38492
2100 PR tree-optimization/38498
2101 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2102 * tree-chrec.h (scev_is_linear_expression): Declared.
2103 * graphite.c (graphite_cannot_represent_loop_niter): New.
2104 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2105 (graphite_loop_normal_form): Use gcc_assert.
2106 (scan_tree_for_params): Use CASE_CONVERT.
2107 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2108 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2109 Use gcc_assert. Discard scops that contain unhandled cases.
2110 (build_scop_conditions): Return a boolean status for unhandled cases.
2111 (strip_mine_profitable_p): Print the loop number, not its depth.
2112 (is_interchange_valid): Pass the depth of the loop nest, don't
2113 recompute it wrongly.
2114 (graphite_trans_bb_block): Same.
2115 (graphite_trans_bb_block): Print tentative of loop blocking.
2116 (graphite_trans_scop_block): Do not print that the loop has been
2118 (graphite_transform_loops): Do not handle scops that contain condition
2121 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2123 AVX Programming Reference (December, 2008)
2124 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2125 (_mm256_stream_pd): Likewise.
2126 (_mm256_stream_ps): Likewise.
2128 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2129 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2130 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2131 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2132 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2133 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2134 (ix86_expand_special_args_builtin): Likewise.
2136 * config/i386/sse.md (AVXMODEDI): New.
2137 (avx_movnt<mode>): Likewise.
2138 (avx_movnt<mode>): Likewise.
2139 (<sse>_movnt<mode>): Remove AVX support.
2140 (sse2_movntv2di): Likewise.
2142 2009-01-07 Richard Guenther <rguenther@suse.de>
2145 * fold-const.c (extract_muldiv): Remove obsolete comment.
2146 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2147 to PLUS_EXPR canonicalization for the canonicalization.
2149 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2151 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2152 hosted cross-compilers generating less efficient code.
2154 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2156 * function.h (rtl_data): Add a dbr_scheduled_p field.
2157 * reorg.c (dbr_schedule): Set it.
2158 (gate_handle_delay_slots): Check it.
2159 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2160 (mips_reorg): Check flag_delayed_branch instead of
2161 mips_base_delayed_branch.
2162 (mips_override_options): Don't set mips_base_delayed_branch
2163 or flag_delayed_branch.
2165 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2167 PR rtl-optimization/38426.
2168 * ira.c (ira): Set current_function_is_leaf earlier.
2170 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2172 PR rtl-optimization/38722
2173 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2174 too early, only set a flag and modify after last possible
2177 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2180 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2181 * real.c (decimal_single_format): Correct values of emin and emax.
2182 (decimal_double_format): Ditto.
2183 (decimal_quad_format): Ditto.
2184 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2185 computation of DECnn_MIN and DECnn_MAX for corrected values of
2186 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2187 __DECnn_MIN__, and adjust its computation for the corrected value
2190 2009-01-06 Jan Hubicka <jh@suse.cz>
2193 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2195 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2197 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2198 Add Robert Clark to the list of testers.
2200 2009-01-06 Jan Hubicka <jh@suse.cz>
2201 Kai Tietz <kai.tietz@onevision.com>
2203 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2204 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2206 2009-01-06 Jan Hubicka <jh@suse.cz>
2207 Kai Tietz <kai.tietz@onevision.com>
2209 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2211 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2212 (ix86_nsaved_regs): Count only general purpose regs.
2213 (ix86_nsaved_sseregs): New.
2214 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2215 to 16 for w64; compute padding and size of sse reg save area.
2216 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2217 general purpose regs.
2218 (ix86_emit_save_sse_regs_using_mov): New.
2219 (ix86_expand_prologue): Save SSE regs if needed.
2220 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2221 (ix86_emit_restore_sse_regs_using_mov): New.
2222 (ix86_expand_epilogue): Save SSE regs if needed.
2224 2009-01-06 Jan Hubicka <jh@suse.cz>
2225 Kai Tietz <kai.tietz@onevision.com>
2227 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2228 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2229 functions when accumulate outgoing args is off.
2231 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2234 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2235 before using pseudos_have_intersected_live_ranges_p.
2237 * ira-int.h (ira_assert): Always define.
2239 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2241 AVX Programming Reference (December, 2008)
2242 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2243 (_mm256_permute2_pd): Likewise.
2244 (_mm_permute2_ps): Likewise.
2245 (_mm256_permute2_ps): Likewise.
2246 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2247 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2249 * config/i386/i386.c (ix86_builtins): Remove
2250 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2251 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2252 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2253 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2254 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2255 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2256 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2257 __builtin_ia32_vpermil2ps256.
2258 (ix86_init_mmx_sse_builtins): Updated.
2259 (ix86_expand_args_builtin): Likewise.
2261 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2263 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2264 long absolute calls when generating PA 2.0 code.
2266 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2268 PR rtl-optimization/38583
2269 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2271 * params.def (ira-max-conflict-table-size): New.
2273 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2275 * ira.h (ira_conflicts_p): New external definition.
2277 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2278 table. Report this. Return result of building.
2279 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2280 building conflict table.
2282 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2283 (ira_color): Use ira_conflicts_p.
2285 * global.c: Include ira.h.
2286 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2289 * Makefile.in (global.o): Add ira.h.
2291 * ira-build.c (mark_all_loops_for_removal,
2292 propagate_some_info_from_allocno): New.
2293 (remove_unnecessary_allocnos): Call
2294 propagate_some_info_from_allocno.
2295 (remove_low_level_allocnos): New.
2296 (remove_unnecessary_regions): Add parameter. Call
2297 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2298 parameter to remove_unnecessary_regions.
2299 (ira_build): Remove all regions but root if the conflict table was
2300 not built. Update conflict hard regs for allocnos crossing calls.
2302 * ira.c (ira_conflicts_p): New global.
2303 (ira): Define and use ira_conflicts_p.
2305 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2306 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2307 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2309 2009-01-06 Ben Elliston <bje@au.ibm.com>
2311 * gengtype-lex.l (YY_NO_INPUT): Define.
2313 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2316 * c-common.c (handle_vector_size_attribute): Also reject
2319 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2321 PR tree-optimization/38492
2322 * graphite.c (rename_map_elt, debug_rename_elt,
2323 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2324 rename_map_elt_info, eq_rename_map_elts,
2325 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2326 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2327 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2328 (sese_build_livein_liveouts): New.
2329 (new_sese, free_sese): New.
2330 (new_scop): Call new_sese.
2331 (free_scop): Call free_sese.
2332 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2333 (register_old_new_names): Renamed register_old_and_new_names.
2334 (register_scop_liveout_renames, add_loop_exit_phis,
2335 insert_loop_close_phis, struct igp,
2336 default_liveout_before_guard, add_guard_exit_phis,
2337 insert_guard_phis, copy_renames): New.
2338 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2339 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2340 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2341 (scop_adjust_phis_for_liveouts): New.
2342 (gloog): Call scop_adjust_phis_for_liveouts.
2344 * graphite.h (struct sese): Documented. Added fields liveout,
2346 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2347 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2348 (struct scop): Added field liveout_renames.
2349 (SCOP_LIVEOUT_RENAMES): New.
2351 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2353 PR tree-optimization/38510
2354 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2355 (translate_clast): Call recompute_all_dominators before
2357 (gloog): Call recompute_all_dominators before graphite_verify.
2359 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2360 Jan Sjodin <jan.sjodin@amd.com>
2362 PR tree-optimization/38500
2363 * graphite.c (create_sese_edges): Call fix_loop_structure after
2366 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2368 * config.gcc: Add m32r*-*-rtems*.
2369 * config/m32r/rtems.h: New file.
2371 2009-01-05 Ben Elliston <bje@au.ibm.com>
2373 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2374 (.po.pox): Likewise.
2375 (po/gcc.pot): Likewise.
2377 2009-01-04 David S. Miller <davem@davemloft.net>
2379 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2380 (STARTING_FRAME_OFFSET): Always set to zero.
2382 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2384 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2385 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2386 fixed-point types, and vectors of the same.
2388 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2390 * config/mips/sync.md (*mb_barrier): Rename to...
2391 (*memory_barrier): ...this.
2393 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2395 * doc/extend.texi (Function Attributes): Move @cindex after @item
2396 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2397 and put in alphabetical order. Fix 'target' name and put in order.
2398 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2401 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2403 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2404 (memory_barrier): Expand as unspec instead of unspec_volatile.
2405 Remove mem:BLK from insn operands. Use Pmode scratch register.
2406 (*memory_barrier): Define as unspec instead of unspec_volatile.
2407 Use (match_dup 0) as input operand.
2409 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2410 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2411 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2412 scratch register. Remove operand 1.
2413 (*stbar): Define as unspec instead of unspec_volatile.
2414 Use (match_dup 0) as input operand, remove (const_int 8).
2415 (*membar): Define as unspec instead of unspec_volatile.
2416 Use (match_dup 0) as input operand, remove input operand 2.
2418 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2419 (memory_barrier): Expand as unspec instead of unspec_volatile.
2420 Remove mem:BLK from insn operands. Use Pmode scratch register.
2421 (*memory_barrier): Define as unspec instead of unspec_volatile.
2422 Use (match_dup 0) as input operand.
2424 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2425 Remove mem:BLK from insn operands. Use Pmode scratch register.
2426 Set volatile flag on operand 0.
2427 (*memory_barrier): New insn pattern.
2429 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2431 (*memory_barrier): Use (match_dup 0) as input operand.
2433 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2434 Remove mem:BLK from insn operands. Use Pmode scratch register.
2435 Set volatile flag on operand 0.
2436 (*mb_internal): New insn pattern.
2438 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2440 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2443 * function.c (struct temp_slot): Move to the section of the file
2444 that deals with temp slots. Remove field 'address'.
2445 (temp_slot_address_table): New hash table of address -> temp slot.
2446 (struct temp_slot_address_entry): New struct, items for the table.
2447 (temp_slot_address_compute_hash, temp_slot_address_hash,
2448 temp_slot_address_eq, insert_temp_slot_address): Support functions
2450 (find_temp_slot_from_address): Rewrite to use the new hash table.
2451 (remove_unused_temp_slot_addresses): Remove addresses of temp
2452 slots that have been made available.
2453 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2454 worker function for remove_unused_temp_slot_addresses.
2455 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2456 Add the temp slot address to the address -> temp slot map.
2457 (update_temp_slot_address): Update via insert_temp_slot_address.
2458 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2459 (pop_temp_slots): Likewise.
2460 (init_temp_slots): Allocate the address -> temp slot map, or empty
2461 the map if it is already allocated.
2462 (prepare_function_start): Initialize temp slot processing.
2464 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2467 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2468 Calculate the size of all stack vars assuming no packing of stack
2469 vars will happen, replacing a quadratic algorithm with a linear one.
2471 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2474 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2477 2009-01-03 Diego Novillo <dnovillo@google.com>
2479 * doc/contrib.texi: Update contributions.
2481 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2484 * builtins.c (fold_builtin_memory_op): Give up if either operand
2485 is volatile. Set srctype or desttype to non-qualified version
2489 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2492 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2494 PR rtl-optimization/35805
2495 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2496 problem if fast dce is able to remove any instructions.
2497 * dce.c (dce_process_block): Fix dump message.
2499 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2502 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2504 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2507 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2508 * tree-pretty-print.c (op_code_prio): New function.
2509 (op_prio): No longer static. Use op_code_prio.
2510 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2511 Use op_prio and op_code_prio to determine if () should be
2512 printed around operand(s) or not.
2514 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2515 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2516 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2517 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2518 pp_character instead of pp_string for single letter printing.
2520 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2522 * doc/extend.texi: Fix '#pragma GCC option' typo.
2524 2009-01-02 Richard Guenther <rguenther@suse.de>
2526 * doc/install.texi (--enable-checking): Mention different
2528 (--enable-stage1-checking): Document.
2530 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2533 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2534 case to be an error.
2536 2009-01-02 Ben Elliston <bje@au.ibm.com>
2538 * config/fp-bit.h (pack_d): Constify argument.
2539 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2540 (isnan): Constify argument.
2544 (_fpadd_parts): Constify return type.
2545 (_fpmul_parts): Likewise.
2546 (_fpdiv_parts): Likewise.
2548 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2551 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2552 warn about overwriting initializer with side-effects or
2553 -Woverride-init if !IMPLICIT.
2554 (output_init_element): Likewise. Pass IMPLICIT down to
2556 (process_init_element): Add IMPLICIT argument. Pass it down
2557 to output_init_element.
2558 (push_init_element, pop_init_level, set_designator): Adjust
2559 process_init_element callers.
2560 (set_nonincremental_init, set_nonincremental_init_from_string):
2561 Adjust add_pending_init callers.
2562 (output_pending_init_elements): Adjust output_init_element callers.
2563 * c-tree.h (process_init_element): Adjust prototype.
2564 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2565 process_init_element callers.
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