1 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3 PR tree-optimization/39260
4 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5 contains a condition with a real type.
6 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8 2009-02-23 Jason Merrill <jason@redhat.com>
11 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
12 narrowing_initializer_constant_valid_p.
13 (narrowing_initializer_constant_valid_p): Don't return
14 null_pointer_node for adding a pointer to itself.
16 2009-02-23 Jan Hubicka <jh@suse.cz>
19 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
21 2009-02-23 Jan Hubicka <jh@suse.cz>
23 PR tree-optimization/37709
24 * tree.c (block_ultimate_origin): Move here from dwarf2out.
25 * tree.h (block_ultimate_origin): Declare.
26 * dwarf2out.c (block_ultimate_origin): Move to tree.c
27 * tree-ssa-live.c (remove_unused_scope_block_p):
28 Eliminate blocks containig no instructions nor live variables nor
30 (dump_scope_block): New function.
31 (remove_unused_locals): Enable removal of dead blocks by default;
32 enable dumping at TDF_DETAILS.
34 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
36 * config/i386/i386.c (classify_argument): Don't allow COImode
38 (function_arg_advance_32): Don't allow OImode.
39 (function_arg_32): Likewise.
40 (function_value_32): Likewise.
41 (return_in_memory_32): Likewise.
42 (function_arg_64): Remove OImode comment.
44 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
47 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
48 ix86_expand_vector_set for V4DImode in 64bit mode only.
49 (ix86_expand_vector_init_one_var): Likewise.
51 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
53 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
55 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
58 * loop-iv.c: Revert last change.
59 * emit-rtl.c: Likewise.
61 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
64 * config/i386/i386.c (type_natural_mode): Remove an extra
65 space in the warning message.
66 (function_value_32): Handle 32-byte vector modes.
67 (return_in_memory_32): Likewise.
69 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
71 * loop-iv.c (truncate_value): New function.
72 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
74 (lowpart_subreg): Move to...
75 * emit-rtl.c: ...here.
77 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
79 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
80 accidental and undocumented change at revision 140860.
82 2009-02-21 Joseph Myers <joseph@codesourcery.com>
84 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
85 take gimple_seq * arguments.
86 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
87 types_compatible_p langhook.
89 2009-02-20 Mark Mitchell <mark@codesourcery.com>
90 Joseph Myers <joseph@codesourcery.com>
92 * config/arm/arm.c (arm_builtin_va_list): New function.
93 (arm_expand_builtin_va_start): Likewise.
94 (arm_gimplify_va_arg_expr): Likewise.
95 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
96 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
97 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
98 (va_list_type): New variable.
99 (arm_mangle_type): Mangle va_list_type appropriately.
101 2009-02-20 Jakub Jelinek <jakub@redhat.com>
104 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
105 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
106 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
107 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
108 parameter to 1000 for -O1 by default.
109 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
111 * loop-invariant.c: Include params.h.
112 (move_loop_invariants): Don't call move_single_loop_invariants on
115 2009-02-20 Jaka Mocnik <jaka@xlab.si>
117 * calls.c (emit_library_call_value_1): Use slot_offset instead of
118 offset when calculating bounds for indexing stack_usage_map. Fixes
119 a buffer overflow with certain target setups.
121 2009-02-20 Jakub Jelinek <jakub@redhat.com>
124 * calls.c (expand_call): Clear try_tail_call if caller and callee
125 disagree in promotion of function return value.
127 2009-02-19 Jakub Jelinek <jakub@redhat.com>
130 * c-common.c (c_determine_visibility): If visibility changed and
131 DECL_RTL has been already set, call make_decl_rtl to update symbol
134 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
137 * varasm.c (assemble_variable): Don't check DECL_NAME when
138 globalizing a variable.
140 2009-02-19 Joseph Myers <joseph@codesourcery.com>
143 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
144 expression before any __builtin_trap call.
145 * c-typeck.c (build_function_call): Convert and check function
146 arguments before generating a call to a trap. Evaluate the
147 function arguments before the trap.
149 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
152 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
153 (UNSPEC_FXAM_MEM): New unspec.
154 (fxam<mode>2_i387_with_temp): New insn and split pattern.
155 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
156 memory using fxam<mode>2_i387_with_temp to remove excess precision.
158 2009-02-19 Richard Guenther <rguenther@suse.de>
160 PR tree-optimization/39207
161 PR tree-optimization/39074
162 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
163 storedanything_tree): New.
164 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
165 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
166 (build_succ_graph): Add edges from STOREDANYTHING to all
168 (init_base_vars): Initialize STOREDANYTHING.
169 (compute_points_to_sets): Free substitution info after
170 building the succ graph.
171 (ipa_pta_execute): Likewise.
173 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
175 (do_ds_constraint): Do not add to special var or non-pointer
177 (type_could_have_pointers): Split out from ...
178 (could_have_pointers): ... here. For arrays use the element type.
179 (create_variable_info_for): Initialize may_have_pointers.
180 (new_var_info): Likewise.
181 (handle_lhs_call): Make the HEAP variable unknown-sized.
182 (intra_create_variable_infos): Use a type with pointers for
183 PARM_NOALIAS, make it unknown-sized.
185 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
188 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
190 2009-02-18 Jason Merrill <jason@redhat.com>
193 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
194 value if DECL_EXTERNAL.
195 * tree-sra.c (sra_walk_gimple_assign): Likewise.
196 * target.h (gcc_target::binds_local_p): Clarify "module".
197 * tree.h (TREE_PUBLIC): Clarify "module".
199 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
202 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
203 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
205 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
208 * c.opt (Wabi): Support C and ObjC.
211 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
213 * config/i386/i386.c (classify_argument): Warn once about the ABI
214 change when passing union with long double.
216 * doc/invoke.texi: Update -Wabi for warning psABI changes.
218 2009-02-18 Joseph Myers <joseph@codesourcery.com>
221 * c-parser.c (c_parser_compound_statement): Always enter and leave
224 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
227 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
229 2009-02-18 Jakub Jelinek <jakub@redhat.com>
231 PR tree-optimization/36922
232 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
233 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
236 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
238 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
241 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
243 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
245 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
247 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
250 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
251 Richard Sandiford <rdsandiford@googlemail.com>
253 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
254 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
255 (loongson_biadd): ...this.
257 2009-02-17 Richard Guenther <rguenther@suse.de>
259 PR tree-optimization/39202
260 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
261 a var make sure to follow existing collapses.
263 2009-02-17 Richard Guenther <rguenther@suse.de>
266 * langhooks.c (lhd_print_error_function): Check for NULL block.
268 2009-02-17 Richard Guenther <rguenther@suse.de>
270 PR tree-optimization/39204
271 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
274 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
276 * config/soft-fp/double.h: Update from glibc CVS.
278 2009-02-17 Richard Guenther <rguenther@suse.de>
280 PR tree-optimization/39207
281 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
282 strict-aliasing warnings for pointers pointing to NULL.
284 2009-02-16 Joseph Myers <joseph@codesourcery.com>
287 * c-parser.c (c_parser_braced_init): Call pop_init_level when
288 skipping until next close brace.
290 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
293 * config/i386/i386.c (ix86_expand_push): Set memory alignment
294 to function argument boundary.
296 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
298 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
299 in the lea_add. Reload eventually constraints it properly.
300 * config/picochip/constraints.md : Remove the target constraint
301 "b", since it is not needed anymore.
303 2009-02-16 Jakub Jelinek <jakub@redhat.com>
305 * gthr-dce.h: Uglify function parameter and local variable names.
306 * gthr-gnat.h: Likewise.
307 * gthr-mipssde.h: Likewise.
308 * gthr-nks.h: Likewise.
309 * gthr-posix95.h: Likewise.
310 * gthr-posix.h: Likewise.
311 * gthr-rtems.h: Likewise.
312 * gthr-single.h: Likewise.
313 * gthr-solaris.h: Likewise.
314 * gthr-tpf.h: Likewise.
315 * gthr-vxworks.h: Likewise.
316 * gthr-win32.h: Likewise.
318 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
321 * config/i386/i386.md: Restrict the new peephole2 to move
322 between MMX/SSE registers.
324 2009-02-15 Richard Guenther <rguenther@suse.de>
327 2009-02-13 Richard Guenther <rguenther@suse.de>
329 * configure.ac: Enable LFS.
330 * configure: Re-generate.
331 * config.in: Likewise.
333 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
335 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
336 spu_srqwbyte, spu_srqwbytebc): Define.
337 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
338 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
339 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
340 "shrqby_<mode>"): New insn-and-split patterns.
341 * config/spu/spu.c (expand_builtin_args): Determine and return
342 number of operands using spu_builtin_description data.
343 (spu_expand_builtin_1): Use it.
345 2009-02-13 Steve Ellcey <sje@cup.hp.com>
348 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
351 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
354 * config/i386/i386.c (override_options): Correct warning
355 messages for -malign-loops, -malign-jumps and -malign-functions.
357 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
360 * config/i386/i386.md: Restrict the new peephole2 to move
361 between the general purpose registers.
363 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
366 * config/i386/i386.c (type_natural_mode): Add a new argument.
367 Return the original mode and warn ABI change if vector size is 32byte.
368 (function_arg_advance): Updated.
369 (function_arg): Likewise.
370 (ix86_function_value): Likewise.
371 (ix86_return_in_memory): Likewise.
372 (ix86_sol10_return_in_memory): Likewise.
373 (ix86_gimplify_va_arg): Likewise.
374 (function_arg_32): Don't warn ABX ABI change here.
375 (function_arg_64): Likewise.
377 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
379 * loop-iv.c (implies_p): In the final case, test that operands 0
380 of the two comparisons match.
382 * config/bfin/bfin.c (find_prev_insn_start): New function.
383 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
384 (find_next_insn_start): Move.
386 2009-02-13 Richard Guenther <rguenther@suse.de>
388 * configure.ac: Enable LFS.
389 * configure: Re-generate.
390 * config.in: Likewise.
392 2009-02-13 Joseph Myers <joseph@codesourcery.com>
395 * c-parser.c (c_parser_parms_list_declarator): Discard pending
396 sizes on syntax error after some arguments have been parsed.
398 2009-02-12 Jakub Jelinek <jakub@redhat.com>
400 * doc/invoke.texi (-fira): Remove.
402 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
404 * caller-save.c: Replace regclass.c with reginfo.c in comments.
408 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
410 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
411 (umul_ppmm): Likewise.
412 (count_leading_zeros): Likewise.
413 (count_trailing_zeros): Likewise.
414 (UMUL_TIME): Likewise.
416 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
418 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
419 soft-fp/t-softfp to tmake_file.
421 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
422 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
423 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
424 IA64_BUILTIN_INFQ]: New.
425 (ia64_init_builtins): Initialize __builtin_infq,
426 __builtin_fabsq and __builtin_copysignq if not HPUX.
427 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
428 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
430 * config/ia64/lib1funcs.asm (__divtf3): Define only if
432 (__fixtfti): Likewise.
433 (__fixunstfti): Likewise.
434 (__floattitf): Likewise.
436 * config/ia64/libgcc-glibc.ver: New.
437 * config/ia64/t-fprules-softfp: Likewise.
438 * config/ia64/sfp-machine.h: Likewise.
440 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
441 (LIBGCC2_TF_CEXT): Likewise.
443 (TARGET_INIT_LIBFUNCS): Likewise.
445 * config/ia64/t-glibc (SHLINB_MAPFILES):
446 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
448 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
450 * config/i386/i386.c (construct_container): Rewrite processing
451 BLKmode with X86_64_SSE_CLASS.
453 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
456 * config/i386/i386.md: Replace simplify_replace_rtx with
457 replace_rtx in the new peephole2.
459 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
461 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
462 loop unrolling do not happen at -O2.
464 2009-02-12 Michael Matz <matz@suse.de>
466 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
468 2009-02-12 Jakub Jelinek <jakub@redhat.com>
470 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
473 2009-02-12 Ben Elliston <bje@au.ibm.com>
475 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
476 patterns when updating the back chain. Missed in the 2009-02-10
479 2009-02-11 Janis Johnson <janis187@us.ibm.com>
481 * doc/extend.texi (Decimal Floating Types): Update identifier of
482 draft TR and list of missing support.
484 2009-02-11 Jakub Jelinek <jakub@redhat.com>
487 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
488 bit to variable length decl's flags, add it also to its
489 pointer replacement variable.
491 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
492 Jakub Jelinek <jakub@redhat.com>
495 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
496 (memory_blockage): New expander.
497 (*memory_blockage): New insn pattern.
498 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
499 instead of general blockage at the end of function prologue when
500 frame pointer is used to access red zone area. Do not emit blockage
501 when profiling, it is emitted in generic code.
502 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
503 function epilogue when frame pointer is used to access red zone area.
505 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
508 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
509 by arithmetic with memory operands.
510 * config/i386/predicates.md (commutative_operator): New.
512 2009-02-10 Janis Johnson <janis187@us.ibm.com>
514 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
517 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
519 * alias.h (record_alias_subset): Declare.
520 * alias.c (record_alias_subset): Make global.
522 2009-02-10 Nick Clifton <nickc@redhat.com>
524 * tree-parloops.c: Change license to GPLv3.
525 * ipa-struct-reorg.c: Change license to GPLv3.
526 * ipa-struct-reorg.h: Change license to GPLv3.
528 2009-02-10 Steve Ellcey <sje@cup.hp.com>
531 * c-decl.c (start_struct): Return NULL on error.
533 2009-02-10 Jakub Jelinek <jakub@redhat.com>
536 * cfgloopmanip.c (remove_path): Call remove_bbs after
537 cancel_loop_tree, not before it.
540 * function.h (struct function): Add has_local_explicit_reg_vars bit.
541 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
543 * tree-ssa-live.c (remove_unused_locals): Recompute
544 cfun->has_local_explicit_reg_vars.
545 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
546 copies or clearings if cfun->has_local_explicit_reg_vars.
548 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
551 * config/i386/i386.c (expand_prologue): Emit blockage at the end
552 of function prologue when frame pointer is used to access
555 2009-02-10 Richard Guenther <rguenther@suse.de>
558 * gimplify.c (gimple_regimplify_operands): Always look if
559 we need to create a temporary.
561 2009-02-10 Richard Guenther <rguenther@suse.de>
563 PR tree-optimization/39132
564 * tree-loop-distribution.c (todo): New global var.
565 (generate_memset_zero): Trigger TODO_rebuild_alias.
566 (tree_loop_distribution): Return todo.
568 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
571 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
572 (x86_64_reg_class_name): Removed.
573 (classify_argument): Return 0 if bytes > 32. Return 0 if the
574 first one isn't X86_64_SSE_CLASS or any other ones aren't
575 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
576 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
577 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
578 and 3 X86_64_SSEUP_CLASS.
579 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
580 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
582 2009-02-10 Ben Elliston <bje@au.ibm.com>
584 * config/rs6000/rs6000.md (allocate_stack): Always use an update
585 form instruction to update the stack back chain word, even if the
586 user has disabled the generation of update instructions.
587 (movdi_<mode>_update_stack): New.
588 (movsi_update_stack): Likewise.
589 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
590 always use an update form instruction to update the stack back
593 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
596 * graphite.c (if_region_set_false_region): After moving a region in
597 the false branch of a condition, remove the empty dummy basic block.
598 (gloog): Remove wrong fix for PR38953.
600 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
602 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
603 generation due to implicit sign extension.
605 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
608 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
609 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
611 2009-02-09 Richard Guenther <rguenther@suse.de>
614 * convert.c (convert_to_real): Disable (float)fn((double)x)
615 to fnf(x) conversion if errno differences may occur and
618 2009-02-07 Anatoly Sokolov <aesok@post.ru>
620 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
621 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
622 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
624 2009-02-06 Joseph Myers <joseph@codesourcery.com>
627 * c-common.c (handle_alias_attribute): Disallow attribute for
628 anything not a FUNCTION_DECL or VAR_DECL.
630 2009-02-06 Janis Johnson <janis187@us.ibm.com>
633 * real.c (do_compare): Special-case compare of zero against
636 2009-02-06 Joseph Myers <joseph@codesourcery.com>
639 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
640 as indicating flexible array members unless the field itself is
641 being declarared as the incomplete array.
643 2009-02-06 Jan Hubicka <jh@suse.cz>
645 PR tree-optimization/38844
646 * ipa-inline.c (try_inline): Stop inlining recursion when edge
649 2009-02-06 Richard Guenther <rguenther@suse.de>
652 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
653 fork because we may expand it as __gcov_fork.
655 2009-02-06 Nick Clifton <nickc@redhat.com>
657 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
659 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
661 PR tree-optimization/35659
662 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
663 vn_phi_eq): Shortcut if hashcode does not match.
664 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
666 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
667 and avoid iterative_hash_expr.
668 (FOR_EACH_VALUE_ID_IN_SET): New.
669 (value_id_compare): Remove.
670 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
671 sort expressions by value id.
673 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
676 * config/sh/predicates.md (general_movsrc_operand): Don't check
677 the subreg of system registers here.
679 2009-02-05 Jakub Jelinek <jakub@redhat.com>
682 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
685 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
687 PR rtl-optimization/39110
688 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
689 addresses, not aligned ones.
691 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
692 Richard Guenther <rguenther@suse.de>
694 PR tree-optimization/39100
695 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
696 comment says and add edges.
698 2009-02-05 Joseph Myers <joseph@codesourcery.com>
701 * c-common.c (handle_tls_model_attribute): Ignore attribute for
702 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
704 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
706 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
707 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
708 register_bb_in_sese, new_sese, free_sese): Moved.
709 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
710 outermost_loop_in_scop, build_scop_iteration_domain,
711 expand_scalar_variables_ssa_name, get_vdef_before_scop,
712 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
713 Use loop_in_sese_p instead of loop_in_scop_p.
714 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
715 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
716 (scopdet_basic_block_info): Fix bug in scop detection.
717 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
718 eq_loop_to_cloog_loop): Remove.
719 (nb_loops_around_loop_in_scop, nb_loop
720 ref_nb_loops): Moved here...
721 * graphite.h (ref_nb_loops): ... from here.
722 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
723 (loop_domain_dim, loop_iteration_vector_dim): Remove.
724 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
725 * testsuite/gcc.dg/graphite/scop-19.c: New
727 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
728 Hans-Peter Nilsson <hp@axis.com>
730 PR rtl-optimization/37889
731 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
732 Move offset handling from PLUS to before the switch. Use new
733 arguments when considering SYMBOL_REFs too.
734 (rtx_addr_can_trap_p): Pass dummy offset and size.
735 (enum may_trap_p_flags): Remove.
736 (may_trap_p_1): Pass size from MEM_SIZE.
738 PR rtl-optimization/38921
739 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
740 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
741 * rtlanal.c (may_trap_after_code_motion_p): Delete.
742 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
744 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
746 AVX Programming Reference (January, 2009)
747 * config/i386/sse.md (*vpclmulqdq): New.
749 2009-02-04 Jakub Jelinek <jakub@redhat.com>
751 PR tree-optimization/38977
752 PR gcov-profile/38292
753 * calls.c (special_function_p): Disregard __builtin_ prefix.
755 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
757 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
758 non-indexable addresses even before reload.
760 2009-02-03 Joseph Myers <joseph@codesourcery.com>
763 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
764 as having variable size. Do not give an error for unnamed
765 parameters with [*] declarators. Give a warning for type names
766 with [*] declarators and mark them as variable size.
767 * c-parser.c (c_parser_sizeof_expression): Do not give an error
768 for sizeof applied to [*] type names.
770 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
773 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
775 2009-02-03 Jakub Jelinek <jakub@redhat.com>
777 * gcc.c (process_command): Update copyright notice dates.
778 * gcov.c (print_version): Likewise.
779 * gcov-dump.c (print_version): Likewise.
780 * mips-tfile.c (main): Likewise.
781 * mips-tdump.c (main): Likewise.
783 2009-02-03 Joseph Myers <joseph@codesourcery.com>
786 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
787 for composite type involving a zero-length array type.
789 2009-02-03 Jakub Jelinek <jakub@redhat.com>
792 * function.c (match_asm_constraints_1): Skip over
793 initial optional % in the constraint.
796 * c-parser.c (c_parser_postfix_expression): If fixed point is not
797 supported, don't accept FIXED_CSTs.
798 * c-decl.c (finish_declspecs): Error if fixed point is not supported
799 and _Sat is used without _Fract/_Accum. Set specs->type to
800 integer_type_node for cts_fract/cts_accum if fixed point is not
803 2009-02-02 Catherine Moore <clm@codesourcery.com>
805 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
807 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
809 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
810 (ABI_HAS_64BIT_SYMBOLS): Use it.
811 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
813 2009-02-02 Paul Brook <paul@codesourcery.com>
815 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
817 2009-02-02 Jakub Jelinek <jakub@redhat.com>
820 * recog.h (asm_operand_ok): Add constraints argument.
821 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
822 recurse on matching constraint.
823 (check_asm_operands): Pass constraints as 3rd argument to
824 asm_operand_ok. Don't look up matching constraint here.
825 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
828 2009-02-02 Ben Elliston <bje@au.ibm.com>
830 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
831 TARGET_NARROW_VOLATILE_BITFIELD macro names.
833 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
835 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
836 information. Remove some obsolete information. Reorganize.
838 * config/pa/fptr.c: Revert license to GPL 2.
839 * config/pa/milli64.S: Likewise.
841 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
844 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
845 LIBRARY name in, instead of hard-coding it.
846 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
847 extra target make frag to tmake_files according to EH model.
848 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
849 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
850 frags that define makefile variable EH_MODEL appropriately.
851 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
852 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
853 to "-sjlj" according to type of EH configured.
854 (LIBGCC_SONAME): Concatenate it to shared library base name.
855 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
856 to "_sjlj" according to type of EH configured.
857 (LIBGCC_SONAME): Concatenate it to shared library base name.
858 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
859 (SHLIB_LINK): Add missing semicolon to if-else construct.
860 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
861 string value of "pe_dll" command-line option.
862 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
863 (SHLIB_SONAME): Use it when overriding t-cygming default.
864 (SHLIB_IMPLIB): Override t-cygming default.
865 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
866 string value of "pe_dll" command-line option.
868 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
871 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
872 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
874 2009-01-31 Richard Guenther <rguenther@suse.de>
876 PR tree-optimization/38937
877 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
878 computing the transitive closure.
880 2009-01-30 Richard Guenther <rguenther@suse.de>
882 PR tree-optimization/39041
883 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
884 Propagate variable indices only if the types match for this stmt.
886 2009-01-30 Jakub Jelinek <jakub@redhat.com>
889 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
890 inline but never defined.
892 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
894 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
895 (*insv_h_di_reg_extimm): New insn.
896 (*insv_l<mode>_reg_extimm): New insn.
898 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
900 * config/picochip/picochip.c (flag_conserve_stack): set
901 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
902 fconserve-stack. Reduce call-overhead used by inliner.
904 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
907 * common.opt (flag_conserve_stack): Initialised to zero.
909 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
912 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
913 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
916 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
918 * ira-color.c (allocno_reload_assign): Update comments.
919 * regmove.c (regmove_optimize): Likewise.
923 2009-01-29 Robert Millan <rmh@aybabtu.com>
925 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
926 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
928 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
930 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
932 PR tree-optimization/39007
933 * tree-loop-distribution.c (generate_builtin): Use
934 recompute_dominator to compute the immediate dominator of the
935 basic block just after the loop.
937 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
939 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
940 (ASM_OUTPUT_DWARF_PCREL): Define.
942 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
944 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
945 * doc/passes.texi: Remove entries about regclass, local-alloc, and
946 global. Modify entries about regmove and IRA.
948 * ra-conflict.c: Remove the file.
950 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
952 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
953 (pass_regclass_init): Rename to pass_reginfo_init.
955 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
957 * toplev.h (flag_ira): Remove.
959 * caller-save.c (setup_save_areas): Remove flag_ira.
961 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
963 * global.c: Remove the file.
965 * opts.c: (decode_options): Remove flag_ira.
967 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
969 * regmove.c: Modify file description.
970 (find_use_as_address, try_auto_increment): Define them only if
971 AUTO_INC_DEC is defined.
972 (replacement_quality, replace_in_call_usage, fixup_match_1,
973 stable_and_no_regs_but_for_p): Remove.
974 (reg_set_in_bb): Make it static.
975 (regmove_optimize): Remove flag_ira and code which worked for
978 * local-alloc.c: Remove the file.
980 * common.opt (fira): Remove.
982 * ira.c: Include except.h.
983 (eliminable_regset): Move from global.c.
984 (mark_elimination): Ditto. Remove flag_ira.
985 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
986 equiv_mem_modified, validate_equiv_mem_from_store,
987 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
988 contains_replace_regs, memref_referenced_p, memref_used_between_p,
989 no_equiv, recorded_label_ref): Move from local-alloc.c.
990 (update_equiv_regs): Ditto. Make it static.
991 (print_insn_chain, print_insn_chains): Move it from global.c.
992 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
993 (build_insn_chain): Ditto. Make it static.
994 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
995 Rename to init_live_subregs.
996 (gate_ira): Remove flag_ira.
998 * regclass.c: Rename reginfo.c. Change file description.
999 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1000 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1001 (init_reg_sets_1): Remove code for evaluation of
1002 reg_class_superclasses and losing_caller_save_reg_set.
1003 (init_regs): Remove init_reg_autoinc.
1004 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1005 ok_for_base_p_nonstrict): Remove.
1006 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1007 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1008 corresponding entries.
1009 (dump_regclass, record_operand_costs, scan_one_insn,
1010 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1011 record_address_regs, auto_inc_dec_reg_p): Remove.
1012 (gt-regclass.h): Rename to gt-reginfo.h.
1014 * rtl.h (dump_global_regs, retry_global_alloc,
1015 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1017 * Makefile.in (RA_H): Remove.
1018 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1019 Rename regclass.o to reginfo.o.
1020 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1022 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1023 (GTFILES): Rename regclass.c to reginfo.c.
1025 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1026 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1028 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1029 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1031 (finish_spills): Ditto. Remove code for !flag_ira.
1033 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1036 * doc/invoke.texi (rtl debug options): Complete rewrite.
1037 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1039 * mode-switching.c (pass_mode_switching): Rename pass from
1040 "mode-sw" to "mode_sw".
1041 * except.c (pass_convert_to_eh_ranges): Rename pass from
1042 "eh-ranges" to "eh_ranges".
1043 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1047 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1048 Alexander Monakov <amonakov@ispras.ru>
1051 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1053 (move_exprs_to_boundary): Change return type and pass through
1054 should_move from move_op. Relax assert. Update usage ...
1055 (schedule_expr_on_boundary): ... here. Use should_move instead of
1057 (move_op_orig_expr_found): Indicate that insn was disconnected from
1059 (code_motion_process_successors): Do not call after_merge_succs
1060 callback if original expression was not found when traversing any of
1062 (code_motion_path_driver): Change return type. Update prototype.
1063 (move_op): Update comment. Add a new parameter (should_move). Update
1064 prototype. Set *should_move based on indication provided by
1065 move_op_orig_expr_found.
1067 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1069 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1070 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1071 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1072 * config/rs6000/rs6000.c (rs6000_override_options): Default
1073 avoid-indexed-addresses on for Power6, off for everything else.
1074 (avoiding_indexed_address_p): New function.
1075 (rs6000_legitimize_address): Use it.
1076 (rs6000_legitimate_address): Likewise.
1077 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1079 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1081 PR tree-optimization/38997
1082 * tree-loop-distribution.c (generate_memset_zero): Use
1083 POINTER_PLUS_EXPR for a pointer addition.
1085 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1087 * config/s390/s390.md (bswap<mode>2): New pattern added.
1089 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1091 * config/s390/s390.md (*tls_load_31): Added type attribute.
1093 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1095 * config/s390/s390.md: Fix a few comments.
1097 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1099 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1100 (*tm<mode>_full): Fixed z10prop attribute.
1101 (*tst<mode>_extimm): Fixed z10prop attribute.
1102 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1103 (*tstqiCCT_cconly): Fixed z10prop attribute.
1104 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1105 (*movsi_larl): Fixed z10prop attribute.
1106 (*movsi_zarch): Fixed z10prop attribute.
1107 (*movsi_eas): Fixed z10prop attribute.
1108 (*movhi): Fixed z10prop attribute.
1109 (*movqi): Fixed z10prop attribute.
1110 (*movstrictqi): Fixed z10prop attribute.
1111 (*mov<mode>): Fixed z10prop attribute.
1112 (*movcc): Fixed z10prop attribute.
1113 (*sethighpartdi_64): Fixed z10prop attribute.
1114 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1115 (*negdi2_sign_cc): Fixed z10prop attribute.
1116 (*negdi2_sign): Fixed z10prop attribute.
1117 (*absdi2_sign_cc): Fixed z10prop attribute.
1118 (*absdi2_sign): Fixed z10prop attribute.
1119 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1120 (*negabsdi2_sign): Fixed z10prop attribute.
1121 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1122 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1123 (doloop_si64): Fixed z10prop attribute.
1124 (doloop_si31): Fixed z10prop attribute.
1125 (doloop_long): Fixed z10prop attribute.
1126 (indirect_jump): Fixed z10prop attribute.
1127 (nop): Fixed z10prop attribute.
1128 (main_base_64): Fixed z10prop attribute.
1129 (reload_base_64): Fixed z10prop attribute.
1131 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1133 PR rtl-optimization/38740
1134 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1136 * config/mips/mips.c (mips_reorg): Likewise.
1138 2009-01-28 Richard Guenther <rguenther@suse.de>
1140 PR tree-optimization/38926
1141 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1142 with the correct value id to a value.
1143 (do_regular_insertion): Use the value number of edoubleprime
1144 for the value number of the expr.
1147 2008-08-21 Richard Guenther <rguenther@suse.de>
1149 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1150 a PHI ask VN if it is already available.
1151 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1152 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1154 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1157 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1158 set to varying whenever max has TREE_OVERFLOW set, similarly
1159 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1161 2009-01-28 Richard Guenther <rguenther@suse.de>
1164 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1165 uninitialized aggregate uses in call arguments.
1167 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1169 PR tree-optimization/38984
1170 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1171 the nothing_id variable if -fno-delete-null-pointer-checks.
1173 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1176 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1177 (set_got_offset_rex64): Ditto.
1179 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1182 * doc/extend.texi: Improve local variable with asm reg.
1184 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1186 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1187 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1188 was not supplied then set warn_packed_bitfield_compat to the
1190 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1193 2009-01-27 Richard Guenther <rguenther@suse.de>
1195 PR tree-optimization/38503
1196 * cfgexpand.c (expand_gimple_basic_block): Ignore
1197 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1198 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1199 variables that cannot have TBAA applied.
1200 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1203 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1206 * calls.c (initialize_argument_information): Do not wrap complex
1207 arguments in SAVE_EXPR.
1209 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1211 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1212 (INSTALL_LIBGCC): Revert typo commit.
1214 2009-01-26 Richard Guenther <rguenther@suse.de>
1216 PR tree-optimization/38745
1217 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1218 from special handling.
1220 2009-01-26 Richard Guenther <rguenther@suse.de>
1222 PR tree-optimization/38745
1223 * tree-ssa.c (execute_update_addresses_taken): Do not include
1224 variables that cannot possibly be a register in not_reg_needs.
1225 Do not clear TREE_ADDRESSABLE on vars that may not become
1227 * tree-ssa.c (update_alias_info_1): Include those in the set
1228 of addressable vars.
1230 2009-01-26 Richard Guenther <rguenther@suse.de>
1233 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1234 * tree-ssa-dse.c: Include langhooks.h
1235 (execute_simple_dse): Remove stores with zero size.
1237 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1240 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1243 2009-01-24 Julian Brown <julian@codesourcery.com>
1245 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1246 config/arm/linux-atomic.c.
1247 * config/arm/linux-atomic.c: New.
1249 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1251 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1252 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1253 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1255 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1258 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1261 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1263 PR tree-optimization/38953
1264 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1265 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1266 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1267 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1270 2009-01-24 Paul Brook <paul@codesourcery.com>
1272 * config/arm/neon.md (neon_type): Move to arm.md.
1273 (neon_mov<VSTRUCT>): Add neon_type attribute.
1274 * config/arm/arm.md (neon_type): Move to here.
1275 (conds): Add "unconditioal" and use as default for NEON insns.
1277 2009-01-24 Ben Elliston <bje@au.ibm.com>
1279 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1280 void *' warning from -Wc++-compat.
1281 * Makefile.in (dominance.o-warn): Remove.
1283 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1285 PR tree-optimization/38932
1286 * fold-const.c (fold_unary_ignore_overflow): New.
1287 * tree.h (fold_unary_ignore_overflow): Declare.
1288 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1289 * tree-ssa-sccvn.c (visit_reference_op_load,
1290 simplify_unary_expression): Likewise.
1292 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1294 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1295 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1296 regardless of their type.
1297 * c-common.c (handle_packed_attribute): Don't ignore packed on
1299 * c.opt (Wpacked-bitfield-compat): New warning option.
1300 * stor-layout.c (place_field): Warn if offset of a field changed.
1301 * doc/extend.texi (packed): Mention the ABI change.
1302 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1303 (Warning Options): Add it to the list.
1305 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1307 * c-opts.c (c_common_post_options): Fix a typo in comments.
1309 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1312 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1313 variables to static.
1314 * doc/invoke.texi (-fmerge-all-constants): Update description.
1316 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1319 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1320 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1322 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1324 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1326 (LOCAL_ALIGNMENT): Similarly.
1328 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1329 Joseph Myers <joseph@codesourcery.com>
1331 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1332 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1333 * config/arm/arm-tune.md: Regenerate.
1334 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1337 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1339 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1340 version number to five.
1342 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1345 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1346 * c-common.c (set_underlying_type): Likewise.
1347 (is_typedef_decl ): Likewise
1349 (set_underlying_type): Likewise.
1350 (is_typedef_type): Likewise.
1352 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1355 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1358 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1361 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1362 (LIBGCC_SPEC): Don't define.
1363 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1365 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1367 PR rtl-optimization/38879
1368 * alias.c (base_alias_check): Unaligned access via AND address can
1369 alias all surrounding object types except those with sizes equal
1370 or wider than the size of unaligned access.
1372 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1375 * c-decl.c: (clone_underlying_type): Move this ...
1376 * c-common.c (set_underlying_type): ... here.
1377 Also, make sure the function properly sets TYPE_STUB_DECL() on
1378 the newly created typedef variant type.
1379 (is_typedef_decl ): New entry point.
1380 * tree.h: Added a new member member_types_needing_access_check to
1381 struct tree_decl_non_common.
1382 (set_underlying_type): New entry point.
1383 (is_typedef_type): Likewise.
1385 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1387 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1388 Check whether two instructions have memory references that
1389 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1390 are helper functions for traversing.
1391 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1392 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1393 not to draw dependency edge for instructions with non-conflicting
1396 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1399 * longlong.h: Update copyright years. Use soft-fp license notice.
1400 Sync __clz_tab declaration with glibc.
1402 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1405 * doc/extend.texi (syscall_linkage): New.
1406 (version_id): Modify.
1408 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1409 Richard Guenther <rguenther@suse.de>
1411 PR tree-optimization/38747
1412 PR tree-optimization/38748
1413 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1414 conversion if the base address is an indirect reference and the
1415 aliasing sets could cause issues.
1417 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1419 * common.opt (fgraphite, fgraphite-identity): Add comment for
1420 explaining why these options are not documented.
1422 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1424 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1425 gimple_call_lhs is NULL.
1427 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1430 * emit-rtl.c (adjust_address_1): Make sure memref is never
1433 2009-01-20 Ben Elliston <bje@au.ibm.com>
1435 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1436 const qualifier from arg parameter. Remove unnecessary cast to char *.
1437 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1438 const qualifier from arg 2.
1440 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1442 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1444 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1447 * rtl.h (reinit_regs): New prototype.
1448 * regclass.c: Include ira.h.
1450 * Makefile.in (regclass.o): Add ira.h.
1451 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1453 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1456 * c-common.c (handle_aligned_attribute): Use
1457 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1458 default alignment value.
1460 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1462 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1463 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1465 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1466 __BIGGEST_ALIGNMENT__.
1468 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1470 2009-01-18 Richard Guenther <rguenther@suse.de>
1472 PR tree-optimization/38819
1473 * tree-flow.h (operation_could_trap_helper_p): Declare.
1474 * tree-eh.c (operation_could_trap_helper_p): Export.
1475 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1476 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1477 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1478 are about to insert a possibly trapping instruction and fail
1481 2009-01-18 Andreas Schwab <schwab@suse.de>
1483 * doc/install.texi (Configuration): Remove obsolete paragraph
1484 about use of --with-gnu-ld with --with-gnu-as.
1486 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1488 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1489 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1490 Follow spelling conventions.
1492 2009-01-18 Ben Elliston <bje@au.ibm.com>
1494 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1495 C++ warning about implicit conversion from void * to struct
1497 (bitmap_obstack_free): Likewise for bitmap_element *.
1498 * Makefile.in (bitmap.o-warn): Remove.
1500 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1502 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1504 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1505 Tobias Grosser <tobi.grosser@amd.com>
1507 * graphite.c (graphite_trans_scop_block): Do not block single
1510 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1512 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1513 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1514 test with assertion.
1516 2009-01-16 Richard Guenther <rguenther@suse.de>
1518 PR tree-optimization/38835
1520 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1521 and INT + PTR -> (INT)(PTR p+ INT) folding.
1522 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1524 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1527 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1528 the subreg from a lowpart subreg if it is also casting the value.
1530 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1531 Tobias Grosser <tobi.grosser@amd.com>
1533 * graphite.c (compare_prefix_loops): New.
1534 (build_scop_canonical_schedules): Rewritten.
1535 (graphite_transform_loops): Move build_scop_canonical_schedules
1536 after build_scop_iteration_domain.
1538 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1539 Tobias Grosser <tobi.grosser@amd.com>
1541 * graphite.c (add_conditions_to_domain): Add the loops to
1542 the dimension of the iteration domain. Do copy the domain
1543 only when it exists.
1544 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1545 (add_conditions_to_constraints): New.
1546 (can_generate_code_stmt, can_generate_code): Removed.
1547 (gloog): Do not call can_generate_code.
1548 (graphite_transform_loops): Call add_conditions_to_constraints
1549 after building the iteration domain.
1551 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1553 PR tree-optimization/38789
1554 * tree-ssa-threadedge.c
1555 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1556 __builtin_constant_p.
1558 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1560 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1561 examined before deleting them.
1563 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1565 * function.c (aggregate_value_p): Correctly extract the function
1566 type from CALL_EXPR_FN lookup.
1568 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1570 * config/picochip/picochip.c (picochip_override_options): Revert
1571 CFI asm flag disable commited previously.
1573 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1574 Tobias Grosser <tobi.grosser@amd.com>
1575 Jan Sjodin <jan.sjodin@amd.com>
1577 * graphite.c (scan_tree_for_params): On substractions negate
1578 all the coefficients of the term.
1579 (clast_to_gcc_expression_red): New. Handle reduction expressions
1580 of more than two operands.
1581 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1582 (get_vdef_before_scop): Handle also the case of default definitions.
1584 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1586 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1587 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1588 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1590 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1591 Joey Ye <joey.ye@intel.com>
1594 * cfgexpand.c (expand_stack_alignment): Don't update stack
1595 boundary nor check incoming stack boundary here.
1596 (gimple_expand_cfg): Update stack boundary and check incoming
1597 stack boundary here.
1599 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1601 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1603 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1605 PR rtl-optimization/38245
1606 * calls.c (expand_call): Add stack arguments to
1607 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1608 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1609 in regs and partially in memory or BLKmode arguments.
1610 (emit_library_call_value_1): Add stack arguments to
1611 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1612 ACCUMULATE_OUTGOING_ARGS).
1613 * dce.c: Include tm_p.h.
1614 (find_call_stack_args): New function.
1615 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1617 (mark_insn): Call find_call_stack_args for CALL_Ps.
1618 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1619 forwards. Allocate and free arg_stores bitmap if needed, pass it
1620 down to deletable_insn_p, don't mark stores set in arg_stores
1621 bitmap, clear the bitmap at the beginning of each bb.
1622 * Makefile.in (dce.o): Depend on $(TM_P_H).
1624 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1627 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1628 to make sure the insn is a conditional test (bug 22599). Reformat a
1631 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1634 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1635 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1636 (gloog): Do not call cleanup_tree_cfg.
1637 (graphite_transform_loops): Call cleanup_tree_cfg after all
1638 scops have been code generated.
1640 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1641 * doc/gty.texi (Invoking the garbage collector): Added new node
1642 and section documenting ggc_collect.
1644 2009-01-14 Richard Guenther <rguenther@suse.de>
1646 PR tree-optimization/38826
1648 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1649 initialization notes only if we actually emitted a warning.
1650 (intra_create_variable_infos): Add constraints for a result decl
1651 that is passed by hidden reference.
1652 (build_pred_graph): Mark all related variables non-direct on
1655 2009-01-14 Nick Clifton <nickc@redhat.com>
1657 * ira-conflicts.c: Include addresses.h for the definition of
1659 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1660 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1662 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1665 * Makefile.in (ira-lives.o): Add except.h.
1667 * ira-lives.c: Include except.h.
1668 (process_bb_node_lives): Process can_throw_internal.
1670 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1672 PR rtl-optimization/38774
1673 * combine.c (simplify_set): When undoing cc_use change, don't do
1674 PUT_CODE on the newly created comparison, but instead put back the
1677 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1679 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1680 values. Remove duplicate arm8 entry.
1682 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1684 PR tree-optimization/38786
1685 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1686 the SSA_NAME case of expand_scalar_variables_expr.
1687 Set the type of an expression to the type of its assign statement.
1688 (expand_scalar_variables_expr): Also gather the scalar computation
1689 used to index the memory access. Do not pass loop_p.
1690 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1691 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1692 the gimple_stmt_iterator where it inserts new code.
1694 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1695 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1697 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1699 * graphite.h (debug_value): Removed.
1700 * graphite.c (debug_value): Removed.
1702 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1704 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1705 ldrd/strd with two 32-bit instructions.
1707 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1709 * config/arm/arm.c (struct processors): Pass for speed down into
1710 cost helper functions.
1711 (const_ok_for_op): Handle COMPARE and inequality nodes.
1712 (arm_rtx_costs_1): Rewrite.
1713 (arm_size_rtx_costs): Update prototype.
1714 (arm_rtx_costs): Pass speed down to helper functions.
1715 (arm_slowmul_rtx_costs): Rework cost calculations.
1716 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1717 (arm_9e_rtx_costs): Likewise.
1719 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1721 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1722 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1723 (alpha_legitimize_address): Do not split local symbols wider than
1724 UNITS_PER_WORD into HIGH/LO_SUM parts.
1726 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1729 * gcc.c (process_command): Replace call to execvp with calls
1730 to pex_one and exit.
1732 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1735 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1736 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1737 variant for devices with 3-byte PC.
1738 (__tablejump_elpm__) : New.
1740 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1743 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1744 offsetof member-designator, handle it as `[0].'.
1746 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1748 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1749 function when not using named sections on targets with named sections
1750 if branch distance is less than 262132.
1752 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1754 * combine.c (combine_instructions): Recompute
1755 optimize_this_for_speed_p for each BB in the main combine loop.
1757 2009-01-12 Tomas Bily <tbily@suse.cz>
1760 * tree-loop-distribution.c (prop_phis): New function.
1761 (generate_builtin): Call prop_phis.
1762 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1764 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1766 PR tree-optimization/38807
1767 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1768 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1770 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1772 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1773 subreg of op0 to the original op0.
1775 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1777 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1779 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1782 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1783 starting with digits.
1785 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1788 * config/arm/arm.c (arm_is_long_call_p): Don't call
1789 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1791 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1793 * regrename.c (regrename_optimize): Fix dumping.
1794 (find_oldest_value_reg): Preserve REG_POINTER.
1795 (copy_hardreg_forward_1): Likewise.
1797 2009-01-09 Diego Novillo <dnovillo@google.com>
1799 * gimple.h (struct gimple_statement_base) <uid>: Document
1800 the restrictions on its use.
1802 (gimple_set_uid): Tidy.
1804 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1806 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1807 zero guard even if align_bytes != 0 and count is smaller than
1810 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1812 PR rtl-optimization/38495
1813 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1814 (add_range_and_copies_from_move_list): Print all added ranges.
1815 Add ranges to memory optimized destination.
1817 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1821 * config/i386/i386.c (override_options): Reject
1822 -mstringop-strategy=rep_8byte with -m32.
1823 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1824 to 1. Do count comparison against epilogue_size_needed at compile
1825 time even when count_exp was constant forced into register. For
1826 size_needed don't jump to epilogue, instead just avoid aligning
1827 and invoke the body algorithm. If need_zero_guard, add zero guard
1828 even if count is non-zero, but smaller than size_needed + number of
1829 bytes that could be stored for alignment.
1830 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1831 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1832 but smaller than size_needed + number of bytes that could be stored
1833 for alignment. Compare size_needed with epilogue_size_needed instead
1834 of desired_align - align, don't adjust size_needed, pass
1835 epilogue_size_needed to the epilogue expanders.
1838 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1840 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1842 * pa.c (last_address): Change to unsigned.
1843 (update_total_code_bytes): Change argument to unsigned. Don't
1844 check if insn addresses are set.
1845 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1846 addresses are not set.
1847 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1849 2009-01-09 Nick Clifton <nickc@redhat.com>
1851 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1852 DECL_DECLARED_INLINE_P.
1854 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1857 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1858 GET_MODE (op0) in operand_subword_force calls.
1861 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1862 fold_convert arg0 operands to TREE_TYPE (op0) first.
1864 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1866 * params.def (ira-max-conflict-table-size): Decrease default value
1869 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1871 PR tree-optimization/37031
1872 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1874 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1875 allocate it using gc instead of heap, use VEC_quick_push instead of
1877 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1878 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1879 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1880 allocated vector from heap allocated.
1881 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1882 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1883 vector only after perfect_loop_nest_depth call.
1885 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1886 Jan Sjodin <jan.sjodin@amd.com>
1888 PR tree-optimization/38559
1889 * graphite.c (debug_value, copy_constraint,
1890 swap_constraint_variables, scale_constraint_variable, ): New.
1891 (get_lower_bound, get_upper_bound): Removed.
1892 (graphite_trans_bb_strip_mine): Clean up this code that works
1893 only for constant number of iterations. Fully copy upper and
1894 lower bound constraints, not only the constant part of them.
1895 * graphite.h (debug_value): Declared.
1897 2009-01-08 Ira Rosen <irar@il.ibm.com>
1899 PR tree-optimization/37194
1900 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1901 Don't add the cost of cost model guard in prologue to scalar
1902 outside cost in case of known number of iterations.
1904 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1905 Alan Modra <amodra@bigpond.net.au>
1907 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1908 non-word-aligned REG+CONST addressing.
1910 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1913 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1914 free_after_compilation when outputting a thunk.
1915 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1916 Do not call free_after_compilation here.
1918 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1920 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1921 (ix86_valid_target_attribute_inner_p): Ditto.
1923 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1925 PR tree-optimization/38492
1926 PR tree-optimization/38498
1927 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1928 * tree-chrec.h (scev_is_linear_expression): Declared.
1929 * graphite.c (graphite_cannot_represent_loop_niter): New.
1930 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1931 (graphite_loop_normal_form): Use gcc_assert.
1932 (scan_tree_for_params): Use CASE_CONVERT.
1933 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1934 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1935 Use gcc_assert. Discard scops that contain unhandled cases.
1936 (build_scop_conditions): Return a boolean status for unhandled cases.
1937 (strip_mine_profitable_p): Print the loop number, not its depth.
1938 (is_interchange_valid): Pass the depth of the loop nest, don't
1939 recompute it wrongly.
1940 (graphite_trans_bb_block): Same.
1941 (graphite_trans_bb_block): Print tentative of loop blocking.
1942 (graphite_trans_scop_block): Do not print that the loop has been
1944 (graphite_transform_loops): Do not handle scops that contain condition
1947 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
1949 AVX Programming Reference (December, 2008)
1950 * config/i386/avxintrin.h (_mm256_stream_si256): New.
1951 (_mm256_stream_pd): Likewise.
1952 (_mm256_stream_ps): Likewise.
1954 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
1955 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
1956 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
1957 (bdesc_special_args): Add __builtin_ia32_movntdq256,
1958 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
1959 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
1960 (ix86_expand_special_args_builtin): Likewise.
1962 * config/i386/sse.md (AVXMODEDI): New.
1963 (avx_movnt<mode>): Likewise.
1964 (avx_movnt<mode>): Likewise.
1965 (<sse>_movnt<mode>): Remove AVX support.
1966 (sse2_movntv2di): Likewise.
1968 2009-01-07 Richard Guenther <rguenther@suse.de>
1971 * fold-const.c (extract_muldiv): Remove obsolete comment.
1972 (fold_plusminus_mult_expr): Undo MINUS_EXPR
1973 to PLUS_EXPR canonicalization for the canonicalization.
1975 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
1977 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
1978 hosted cross-compilers generating less efficient code.
1980 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1982 * function.h (rtl_data): Add a dbr_scheduled_p field.
1983 * reorg.c (dbr_schedule): Set it.
1984 (gate_handle_delay_slots): Check it.
1985 * config/mips/mips.c (mips_base_delayed_branch): Delete.
1986 (mips_reorg): Check flag_delayed_branch instead of
1987 mips_base_delayed_branch.
1988 (mips_override_options): Don't set mips_base_delayed_branch
1989 or flag_delayed_branch.
1991 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
1993 PR rtl-optimization/38426.
1994 * ira.c (ira): Set current_function_is_leaf earlier.
1996 2009-01-06 Jakub Jelinek <jakub@redhat.com>
1998 PR rtl-optimization/38722
1999 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2000 too early, only set a flag and modify after last possible
2003 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2006 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2007 * real.c (decimal_single_format): Correct values of emin and emax.
2008 (decimal_double_format): Ditto.
2009 (decimal_quad_format): Ditto.
2010 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2011 computation of DECnn_MIN and DECnn_MAX for corrected values of
2012 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2013 __DECnn_MIN__, and adjust its computation for the corrected value
2016 2009-01-06 Jan Hubicka <jh@suse.cz>
2019 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2021 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2023 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2024 Add Robert Clark to the list of testers.
2026 2009-01-06 Jan Hubicka <jh@suse.cz>
2027 Kai Tietz <kai.tietz@onevision.com>
2029 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2030 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2032 2009-01-06 Jan Hubicka <jh@suse.cz>
2033 Kai Tietz <kai.tietz@onevision.com>
2035 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2037 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2038 (ix86_nsaved_regs): Count only general purpose regs.
2039 (ix86_nsaved_sseregs): New.
2040 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2041 to 16 for w64; compute padding and size of sse reg save area.
2042 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2043 general purpose regs.
2044 (ix86_emit_save_sse_regs_using_mov): New.
2045 (ix86_expand_prologue): Save SSE regs if needed.
2046 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2047 (ix86_emit_restore_sse_regs_using_mov): New.
2048 (ix86_expand_epilogue): Save SSE regs if needed.
2050 2009-01-06 Jan Hubicka <jh@suse.cz>
2051 Kai Tietz <kai.tietz@onevision.com>
2053 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2054 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2055 functions when accumulate outgoing args is off.
2057 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2060 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2061 before using pseudos_have_intersected_live_ranges_p.
2063 * ira-int.h (ira_assert): Always define.
2065 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2067 AVX Programming Reference (December, 2008)
2068 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2069 (_mm256_permute2_pd): Likewise.
2070 (_mm_permute2_ps): Likewise.
2071 (_mm256_permute2_ps): Likewise.
2072 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2073 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2075 * config/i386/i386.c (ix86_builtins): Remove
2076 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2077 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2078 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2079 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2080 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2081 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2082 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2083 __builtin_ia32_vpermil2ps256.
2084 (ix86_init_mmx_sse_builtins): Updated.
2085 (ix86_expand_args_builtin): Likewise.
2087 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2089 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2090 long absolute calls when generating PA 2.0 code.
2092 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2094 PR rtl-optimization/38583
2095 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2097 * params.def (ira-max-conflict-table-size): New.
2099 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2101 * ira.h (ira_conflicts_p): New external definition.
2103 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2104 table. Report this. Return result of building.
2105 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2106 building conflict table.
2108 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2109 (ira_color): Use ira_conflicts_p.
2111 * global.c: Include ira.h.
2112 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2115 * Makefile.in (global.o): Add ira.h.
2117 * ira-build.c (mark_all_loops_for_removal,
2118 propagate_some_info_from_allocno): New.
2119 (remove_unnecessary_allocnos): Call
2120 propagate_some_info_from_allocno.
2121 (remove_low_level_allocnos): New.
2122 (remove_unnecessary_regions): Add parameter. Call
2123 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2124 parameter to remove_unnecessary_regions.
2125 (ira_build): Remove all regions but root if the conflict table was
2126 not built. Update conflict hard regs for allocnos crossing calls.
2128 * ira.c (ira_conflicts_p): New global.
2129 (ira): Define and use ira_conflicts_p.
2131 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2132 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2133 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2135 2009-01-06 Ben Elliston <bje@au.ibm.com>
2137 * gengtype-lex.l (YY_NO_INPUT): Define.
2139 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2142 * c-common.c (handle_vector_size_attribute): Also reject
2145 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2147 PR tree-optimization/38492
2148 * graphite.c (rename_map_elt, debug_rename_elt,
2149 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2150 rename_map_elt_info, eq_rename_map_elts,
2151 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2152 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2153 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2154 (sese_build_livein_liveouts): New.
2155 (new_sese, free_sese): New.
2156 (new_scop): Call new_sese.
2157 (free_scop): Call free_sese.
2158 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2159 (register_old_new_names): Renamed register_old_and_new_names.
2160 (register_scop_liveout_renames, add_loop_exit_phis,
2161 insert_loop_close_phis, struct igp,
2162 default_liveout_before_guard, add_guard_exit_phis,
2163 insert_guard_phis, copy_renames): New.
2164 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2165 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2166 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2167 (scop_adjust_phis_for_liveouts): New.
2168 (gloog): Call scop_adjust_phis_for_liveouts.
2170 * graphite.h (struct sese): Documented. Added fields liveout,
2172 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2173 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2174 (struct scop): Added field liveout_renames.
2175 (SCOP_LIVEOUT_RENAMES): New.
2177 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2179 PR tree-optimization/38510
2180 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2181 (translate_clast): Call recompute_all_dominators before
2183 (gloog): Call recompute_all_dominators before graphite_verify.
2185 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2186 Jan Sjodin <jan.sjodin@amd.com>
2188 PR tree-optimization/38500
2189 * graphite.c (create_sese_edges): Call fix_loop_structure after
2192 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2194 * config.gcc: Add m32r*-*-rtems*.
2195 * config/m32r/rtems.h: New file.
2197 2009-01-05 Ben Elliston <bje@au.ibm.com>
2199 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2200 (.po.pox): Likewise.
2201 (po/gcc.pot): Likewise.
2203 2009-01-04 David S. Miller <davem@davemloft.net>
2205 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2206 (STARTING_FRAME_OFFSET): Always set to zero.
2208 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2210 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2211 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2212 fixed-point types, and vectors of the same.
2214 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2216 * config/mips/sync.md (*mb_barrier): Rename to...
2217 (*memory_barrier): ...this.
2219 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2221 * doc/extend.texi (Function Attributes): Move @cindex after @item
2222 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2223 and put in alphabetical order. Fix 'target' name and put in order.
2224 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2227 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2229 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2230 (memory_barrier): Expand as unspec instead of unspec_volatile.
2231 Remove mem:BLK from insn operands. Use Pmode scratch register.
2232 (*memory_barrier): Define as unspec instead of unspec_volatile.
2233 Use (match_dup 0) as input operand.
2235 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2236 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2237 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2238 scratch register. Remove operand 1.
2239 (*stbar): Define as unspec instead of unspec_volatile.
2240 Use (match_dup 0) as input operand, remove (const_int 8).
2241 (*membar): Define as unspec instead of unspec_volatile.
2242 Use (match_dup 0) as input operand, remove input operand 2.
2244 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2245 (memory_barrier): Expand as unspec instead of unspec_volatile.
2246 Remove mem:BLK from insn operands. Use Pmode scratch register.
2247 (*memory_barrier): Define as unspec instead of unspec_volatile.
2248 Use (match_dup 0) as input operand.
2250 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2251 Remove mem:BLK from insn operands. Use Pmode scratch register.
2252 Set volatile flag on operand 0.
2253 (*memory_barrier): New insn pattern.
2255 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2257 (*memory_barrier): Use (match_dup 0) as input operand.
2259 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2260 Remove mem:BLK from insn operands. Use Pmode scratch register.
2261 Set volatile flag on operand 0.
2262 (*mb_internal): New insn pattern.
2264 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2266 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2269 * function.c (struct temp_slot): Move to the section of the file
2270 that deals with temp slots. Remove field 'address'.
2271 (temp_slot_address_table): New hash table of address -> temp slot.
2272 (struct temp_slot_address_entry): New struct, items for the table.
2273 (temp_slot_address_compute_hash, temp_slot_address_hash,
2274 temp_slot_address_eq, insert_temp_slot_address): Support functions
2276 (find_temp_slot_from_address): Rewrite to use the new hash table.
2277 (remove_unused_temp_slot_addresses): Remove addresses of temp
2278 slots that have been made available.
2279 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2280 worker function for remove_unused_temp_slot_addresses.
2281 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2282 Add the temp slot address to the address -> temp slot map.
2283 (update_temp_slot_address): Update via insert_temp_slot_address.
2284 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2285 (pop_temp_slots): Likewise.
2286 (init_temp_slots): Allocate the address -> temp slot map, or empty
2287 the map if it is already allocated.
2288 (prepare_function_start): Initialize temp slot processing.
2290 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2293 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2294 Calculate the size of all stack vars assuming no packing of stack
2295 vars will happen, replacing a quadratic algorithm with a linear one.
2297 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2300 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2303 2009-01-03 Diego Novillo <dnovillo@google.com>
2305 * doc/contrib.texi: Update contributions.
2307 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2310 * builtins.c (fold_builtin_memory_op): Give up if either operand
2311 is volatile. Set srctype or desttype to non-qualified version
2315 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2318 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2320 PR rtl-optimization/35805
2321 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2322 problem if fast dce is able to remove any instructions.
2323 * dce.c (dce_process_block): Fix dump message.
2325 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2328 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2330 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2333 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2334 * tree-pretty-print.c (op_code_prio): New function.
2335 (op_prio): No longer static. Use op_code_prio.
2336 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2337 Use op_prio and op_code_prio to determine if () should be
2338 printed around operand(s) or not.
2340 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2341 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2342 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2343 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2344 pp_character instead of pp_string for single letter printing.
2346 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2348 * doc/extend.texi: Fix '#pragma GCC option' typo.
2350 2009-01-02 Richard Guenther <rguenther@suse.de>
2352 * doc/install.texi (--enable-checking): Mention different
2354 (--enable-stage1-checking): Document.
2356 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2359 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2360 case to be an error.
2362 2009-01-02 Ben Elliston <bje@au.ibm.com>
2364 * config/fp-bit.h (pack_d): Constify argument.
2365 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2366 (isnan): Constify argument.
2370 (_fpadd_parts): Constify return type.
2371 (_fpmul_parts): Likewise.
2372 (_fpdiv_parts): Likewise.
2374 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2377 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2378 warn about overwriting initializer with side-effects or
2379 -Woverride-init if !IMPLICIT.
2380 (output_init_element): Likewise. Pass IMPLICIT down to
2382 (process_init_element): Add IMPLICIT argument. Pass it down
2383 to output_init_element.
2384 (push_init_element, pop_init_level, set_designator): Adjust
2385 process_init_element callers.
2386 (set_nonincremental_init, set_nonincremental_init_from_string):
2387 Adjust add_pending_init callers.
2388 (output_pending_init_elements): Adjust output_init_element callers.
2389 * c-tree.h (process_init_element): Adjust prototype.
2390 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2391 process_init_element callers.