1 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4 execute function prototype. Get f and nregs from max_reg_num
5 and get_insns. Remove the first backward pass as it's dead,
6 guard the forward pass by flag_expensive_optimizations.
7 (rest_of_handle_regmove): Delete.
8 (pass_regmove): Replace it with regmove_optimize.
10 2009-02-25 Martin Jambor <mjambor@suse.cz>
12 PR tree-optimization/39259
13 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
14 alls_alloca function flags.
15 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
18 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
20 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
21 flags_set_1_rtx, flags_set_1_set): Delete.
22 (regmove_optimize): Do not call mark_flags_life_zones.
24 2009-02-24 Julian Brown <julian@codesourcery.com>
27 * config/arm/arm.c (require_pic_register): Only set
28 cfun->machine->pic_reg once per function.
30 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
32 * doc/invoke.texi (Link Options): Document an easier way to pass
33 options that take arguments to the GNU linker using -Xlinker and
36 2009-02-24 Steve Ellcey <sje@cup.hp.com>
39 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
41 2009-02-24 Richard Guenther <rguenther@suse.de>
44 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
46 2009-02-24 Richard Guenther <rguenther@suse.de>
47 Zdenek Dvorak <ook@ucw.cz>
49 PR tree-optimization/39233
50 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
51 from converting them to a generic type.
53 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
55 PR tree-optimization/39260
56 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
57 contains a condition with a real type.
58 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
60 2009-02-23 Jason Merrill <jason@redhat.com>
63 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
64 narrowing_initializer_constant_valid_p.
65 (narrowing_initializer_constant_valid_p): Don't return
66 null_pointer_node for adding a pointer to itself.
68 2009-02-23 Jan Hubicka <jh@suse.cz>
71 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when resizing.
73 2009-02-23 Jan Hubicka <jh@suse.cz>
75 PR tree-optimization/37709
76 * tree.c (block_ultimate_origin): Move here from dwarf2out.
77 * tree.h (block_ultimate_origin): Declare.
78 * dwarf2out.c (block_ultimate_origin): Move to tree.c
79 * tree-ssa-live.c (remove_unused_scope_block_p):
80 Eliminate blocks containig no instructions nor live variables nor
82 (dump_scope_block): New function.
83 (remove_unused_locals): Enable removal of dead blocks by default;
84 enable dumping at TDF_DETAILS.
86 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
88 * config/i386/i386.c (classify_argument): Don't allow COImode
90 (function_arg_advance_32): Don't allow OImode.
91 (function_arg_32): Likewise.
92 (function_value_32): Likewise.
93 (return_in_memory_32): Likewise.
94 (function_arg_64): Remove OImode comment.
96 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
99 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
100 ix86_expand_vector_set for V4DImode in 64bit mode only.
101 (ix86_expand_vector_init_one_var): Likewise.
103 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
105 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
107 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
110 * loop-iv.c: Revert last change.
111 * emit-rtl.c: Likewise.
113 2008-02-21 H.J. Lu <hongjiu.lu@intel.com>
116 * config/i386/i386.c (type_natural_mode): Remove an extra
117 space in the warning message.
118 (function_value_32): Handle 32-byte vector modes.
119 (return_in_memory_32): Likewise.
121 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
123 * loop-iv.c (truncate_value): New function.
124 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
126 (lowpart_subreg): Move to...
127 * emit-rtl.c: ...here.
129 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
131 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
132 accidental and undocumented change at revision 140860.
134 2009-02-21 Joseph Myers <joseph@codesourcery.com>
136 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
137 take gimple_seq * arguments.
138 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
139 types_compatible_p langhook.
141 2009-02-20 Mark Mitchell <mark@codesourcery.com>
142 Joseph Myers <joseph@codesourcery.com>
144 * config/arm/arm.c (arm_builtin_va_list): New function.
145 (arm_expand_builtin_va_start): Likewise.
146 (arm_gimplify_va_arg_expr): Likewise.
147 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
148 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
149 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
150 (va_list_type): New variable.
151 (arm_mangle_type): Mangle va_list_type appropriately.
153 2009-02-20 Jakub Jelinek <jakub@redhat.com>
156 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
157 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
158 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
159 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
160 parameter to 1000 for -O1 by default.
161 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
163 * loop-invariant.c: Include params.h.
164 (move_loop_invariants): Don't call move_single_loop_invariants on
167 2009-02-20 Jaka Mocnik <jaka@xlab.si>
169 * calls.c (emit_library_call_value_1): Use slot_offset instead of
170 offset when calculating bounds for indexing stack_usage_map. Fixes
171 a buffer overflow with certain target setups.
173 2009-02-20 Jakub Jelinek <jakub@redhat.com>
176 * calls.c (expand_call): Clear try_tail_call if caller and callee
177 disagree in promotion of function return value.
179 2009-02-19 Jakub Jelinek <jakub@redhat.com>
182 * c-common.c (c_determine_visibility): If visibility changed and
183 DECL_RTL has been already set, call make_decl_rtl to update symbol
186 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
189 * varasm.c (assemble_variable): Don't check DECL_NAME when
190 globalizing a variable.
192 2009-02-19 Joseph Myers <joseph@codesourcery.com>
195 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
196 expression before any __builtin_trap call.
197 * c-typeck.c (build_function_call): Convert and check function
198 arguments before generating a call to a trap. Evaluate the
199 function arguments before the trap.
201 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
204 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
205 (UNSPEC_FXAM_MEM): New unspec.
206 (fxam<mode>2_i387_with_temp): New insn and split pattern.
207 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
208 memory using fxam<mode>2_i387_with_temp to remove excess precision.
210 2009-02-19 Richard Guenther <rguenther@suse.de>
212 PR tree-optimization/39207
213 PR tree-optimization/39074
214 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
215 storedanything_tree): New.
216 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
217 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
218 (build_succ_graph): Add edges from STOREDANYTHING to all
220 (init_base_vars): Initialize STOREDANYTHING.
221 (compute_points_to_sets): Free substitution info after
222 building the succ graph.
223 (ipa_pta_execute): Likewise.
225 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
227 (do_ds_constraint): Do not add to special var or non-pointer
229 (type_could_have_pointers): Split out from ...
230 (could_have_pointers): ... here. For arrays use the element type.
231 (create_variable_info_for): Initialize may_have_pointers.
232 (new_var_info): Likewise.
233 (handle_lhs_call): Make the HEAP variable unknown-sized.
234 (intra_create_variable_infos): Use a type with pointers for
235 PARM_NOALIAS, make it unknown-sized.
237 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
240 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
242 2009-02-18 Jason Merrill <jason@redhat.com>
245 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
246 value if DECL_EXTERNAL.
247 * tree-sra.c (sra_walk_gimple_assign): Likewise.
248 * target.h (gcc_target::binds_local_p): Clarify "module".
249 * tree.h (TREE_PUBLIC): Clarify "module".
251 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
254 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
255 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
257 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
260 * c.opt (Wabi): Support C and ObjC.
263 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
265 * config/i386/i386.c (classify_argument): Warn once about the ABI
266 change when passing union with long double.
268 * doc/invoke.texi: Update -Wabi for warning psABI changes.
270 2009-02-18 Joseph Myers <joseph@codesourcery.com>
273 * c-parser.c (c_parser_compound_statement): Always enter and leave
276 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
279 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
281 2009-02-18 Jakub Jelinek <jakub@redhat.com>
283 PR tree-optimization/36922
284 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
285 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
288 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
290 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
293 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
295 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
297 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
299 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
302 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
303 Richard Sandiford <rdsandiford@googlemail.com>
305 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
306 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
307 (loongson_biadd): ...this.
309 2009-02-17 Richard Guenther <rguenther@suse.de>
311 PR tree-optimization/39202
312 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
313 a var make sure to follow existing collapses.
315 2009-02-17 Richard Guenther <rguenther@suse.de>
318 * langhooks.c (lhd_print_error_function): Check for NULL block.
320 2009-02-17 Richard Guenther <rguenther@suse.de>
322 PR tree-optimization/39204
323 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
326 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
328 * config/soft-fp/double.h: Update from glibc CVS.
330 2009-02-17 Richard Guenther <rguenther@suse.de>
332 PR tree-optimization/39207
333 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
334 strict-aliasing warnings for pointers pointing to NULL.
336 2009-02-16 Joseph Myers <joseph@codesourcery.com>
339 * c-parser.c (c_parser_braced_init): Call pop_init_level when
340 skipping until next close brace.
342 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
345 * config/i386/i386.c (ix86_expand_push): Set memory alignment
346 to function argument boundary.
348 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
350 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
351 in the lea_add. Reload eventually constraints it properly.
352 * config/picochip/constraints.md : Remove the target constraint
353 "b", since it is not needed anymore.
355 2009-02-16 Jakub Jelinek <jakub@redhat.com>
357 * gthr-dce.h: Uglify function parameter and local variable names.
358 * gthr-gnat.h: Likewise.
359 * gthr-mipssde.h: Likewise.
360 * gthr-nks.h: Likewise.
361 * gthr-posix95.h: Likewise.
362 * gthr-posix.h: Likewise.
363 * gthr-rtems.h: Likewise.
364 * gthr-single.h: Likewise.
365 * gthr-solaris.h: Likewise.
366 * gthr-tpf.h: Likewise.
367 * gthr-vxworks.h: Likewise.
368 * gthr-win32.h: Likewise.
370 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
373 * config/i386/i386.md: Restrict the new peephole2 to move
374 between MMX/SSE registers.
376 2009-02-15 Richard Guenther <rguenther@suse.de>
379 2009-02-13 Richard Guenther <rguenther@suse.de>
381 * configure.ac: Enable LFS.
382 * configure: Re-generate.
383 * config.in: Likewise.
385 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
387 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
388 spu_srqwbyte, spu_srqwbytebc): Define.
389 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
390 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
391 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
392 "shrqby_<mode>"): New insn-and-split patterns.
393 * config/spu/spu.c (expand_builtin_args): Determine and return
394 number of operands using spu_builtin_description data.
395 (spu_expand_builtin_1): Use it.
397 2009-02-13 Steve Ellcey <sje@cup.hp.com>
400 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
403 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
406 * config/i386/i386.c (override_options): Correct warning
407 messages for -malign-loops, -malign-jumps and -malign-functions.
409 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
412 * config/i386/i386.md: Restrict the new peephole2 to move
413 between the general purpose registers.
415 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
418 * config/i386/i386.c (type_natural_mode): Add a new argument.
419 Return the original mode and warn ABI change if vector size is 32byte.
420 (function_arg_advance): Updated.
421 (function_arg): Likewise.
422 (ix86_function_value): Likewise.
423 (ix86_return_in_memory): Likewise.
424 (ix86_sol10_return_in_memory): Likewise.
425 (ix86_gimplify_va_arg): Likewise.
426 (function_arg_32): Don't warn ABX ABI change here.
427 (function_arg_64): Likewise.
429 2008-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
431 * loop-iv.c (implies_p): In the final case, test that operands 0
432 of the two comparisons match.
434 * config/bfin/bfin.c (find_prev_insn_start): New function.
435 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
436 (find_next_insn_start): Move.
438 2009-02-13 Richard Guenther <rguenther@suse.de>
440 * configure.ac: Enable LFS.
441 * configure: Re-generate.
442 * config.in: Likewise.
444 2009-02-13 Joseph Myers <joseph@codesourcery.com>
447 * c-parser.c (c_parser_parms_list_declarator): Discard pending
448 sizes on syntax error after some arguments have been parsed.
450 2009-02-12 Jakub Jelinek <jakub@redhat.com>
452 * doc/invoke.texi (-fira): Remove.
454 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
456 * caller-save.c: Replace regclass.c with reginfo.c in comments.
460 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
462 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
463 (umul_ppmm): Likewise.
464 (count_leading_zeros): Likewise.
465 (count_trailing_zeros): Likewise.
466 (UMUL_TIME): Likewise.
468 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
470 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
471 soft-fp/t-softfp to tmake_file.
473 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
474 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
475 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
476 IA64_BUILTIN_INFQ]: New.
477 (ia64_init_builtins): Initialize __builtin_infq,
478 __builtin_fabsq and __builtin_copysignq if not HPUX.
479 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
480 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
482 * config/ia64/lib1funcs.asm (__divtf3): Define only if
484 (__fixtfti): Likewise.
485 (__fixunstfti): Likewise.
486 (__floattitf): Likewise.
488 * config/ia64/libgcc-glibc.ver: New.
489 * config/ia64/t-fprules-softfp: Likewise.
490 * config/ia64/sfp-machine.h: Likewise.
492 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
493 (LIBGCC2_TF_CEXT): Likewise.
495 (TARGET_INIT_LIBFUNCS): Likewise.
497 * config/ia64/t-glibc (SHLINB_MAPFILES):
498 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
500 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
502 * config/i386/i386.c (construct_container): Rewrite processing
503 BLKmode with X86_64_SSE_CLASS.
505 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
508 * config/i386/i386.md: Replace simplify_replace_rtx with
509 replace_rtx in the new peephole2.
511 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
513 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
514 loop unrolling do not happen at -O2.
516 2009-02-12 Michael Matz <matz@suse.de>
518 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
520 2009-02-12 Jakub Jelinek <jakub@redhat.com>
522 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
525 2009-02-12 Ben Elliston <bje@au.ibm.com>
527 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
528 patterns when updating the back chain. Missed in the 2009-02-10
531 2009-02-11 Janis Johnson <janis187@us.ibm.com>
533 * doc/extend.texi (Decimal Floating Types): Update identifier of
534 draft TR and list of missing support.
536 2009-02-11 Jakub Jelinek <jakub@redhat.com>
539 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
540 bit to variable length decl's flags, add it also to its
541 pointer replacement variable.
543 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
544 Jakub Jelinek <jakub@redhat.com>
547 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
548 (memory_blockage): New expander.
549 (*memory_blockage): New insn pattern.
550 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
551 instead of general blockage at the end of function prologue when
552 frame pointer is used to access red zone area. Do not emit blockage
553 when profiling, it is emitted in generic code.
554 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
555 function epilogue when frame pointer is used to access red zone area.
557 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
560 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
561 by arithmetic with memory operands.
562 * config/i386/predicates.md (commutative_operator): New.
564 2009-02-10 Janis Johnson <janis187@us.ibm.com>
566 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
569 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
571 * alias.h (record_alias_subset): Declare.
572 * alias.c (record_alias_subset): Make global.
574 2009-02-10 Nick Clifton <nickc@redhat.com>
576 * tree-parloops.c: Change license to GPLv3.
577 * ipa-struct-reorg.c: Change license to GPLv3.
578 * ipa-struct-reorg.h: Change license to GPLv3.
580 2009-02-10 Steve Ellcey <sje@cup.hp.com>
583 * c-decl.c (start_struct): Return NULL on error.
585 2009-02-10 Jakub Jelinek <jakub@redhat.com>
588 * cfgloopmanip.c (remove_path): Call remove_bbs after
589 cancel_loop_tree, not before it.
592 * function.h (struct function): Add has_local_explicit_reg_vars bit.
593 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
595 * tree-ssa-live.c (remove_unused_locals): Recompute
596 cfun->has_local_explicit_reg_vars.
597 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
598 copies or clearings if cfun->has_local_explicit_reg_vars.
600 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
603 * config/i386/i386.c (expand_prologue): Emit blockage at the end
604 of function prologue when frame pointer is used to access
607 2009-02-10 Richard Guenther <rguenther@suse.de>
610 * gimplify.c (gimple_regimplify_operands): Always look if
611 we need to create a temporary.
613 2009-02-10 Richard Guenther <rguenther@suse.de>
615 PR tree-optimization/39132
616 * tree-loop-distribution.c (todo): New global var.
617 (generate_memset_zero): Trigger TODO_rebuild_alias.
618 (tree_loop_distribution): Return todo.
620 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
623 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
624 (x86_64_reg_class_name): Removed.
625 (classify_argument): Return 0 if bytes > 32. Return 0 if the
626 first one isn't X86_64_SSE_CLASS or any other ones aren't
627 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
628 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
629 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
630 and 3 X86_64_SSEUP_CLASS.
631 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
632 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
634 2009-02-10 Ben Elliston <bje@au.ibm.com>
636 * config/rs6000/rs6000.md (allocate_stack): Always use an update
637 form instruction to update the stack back chain word, even if the
638 user has disabled the generation of update instructions.
639 (movdi_<mode>_update_stack): New.
640 (movsi_update_stack): Likewise.
641 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
642 always use an update form instruction to update the stack back
645 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
648 * graphite.c (if_region_set_false_region): After moving a region in
649 the false branch of a condition, remove the empty dummy basic block.
650 (gloog): Remove wrong fix for PR38953.
652 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
654 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
655 generation due to implicit sign extension.
657 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
660 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
661 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
663 2009-02-09 Richard Guenther <rguenther@suse.de>
666 * convert.c (convert_to_real): Disable (float)fn((double)x)
667 to fnf(x) conversion if errno differences may occur and
670 2009-02-07 Anatoly Sokolov <aesok@post.ru>
672 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
673 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
674 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
676 2009-02-06 Joseph Myers <joseph@codesourcery.com>
679 * c-common.c (handle_alias_attribute): Disallow attribute for
680 anything not a FUNCTION_DECL or VAR_DECL.
682 2009-02-06 Janis Johnson <janis187@us.ibm.com>
685 * real.c (do_compare): Special-case compare of zero against
688 2009-02-06 Joseph Myers <joseph@codesourcery.com>
691 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
692 as indicating flexible array members unless the field itself is
693 being declarared as the incomplete array.
695 2009-02-06 Jan Hubicka <jh@suse.cz>
697 PR tree-optimization/38844
698 * ipa-inline.c (try_inline): Stop inlining recursion when edge
701 2009-02-06 Richard Guenther <rguenther@suse.de>
704 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
705 fork because we may expand it as __gcov_fork.
707 2009-02-06 Nick Clifton <nickc@redhat.com>
709 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
711 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
713 PR tree-optimization/35659
714 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
715 vn_phi_eq): Shortcut if hashcode does not match.
716 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
718 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
719 and avoid iterative_hash_expr.
720 (FOR_EACH_VALUE_ID_IN_SET): New.
721 (value_id_compare): Remove.
722 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
723 sort expressions by value id.
725 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
728 * config/sh/predicates.md (general_movsrc_operand): Don't check
729 the subreg of system registers here.
731 2009-02-05 Jakub Jelinek <jakub@redhat.com>
734 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
737 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
739 PR rtl-optimization/39110
740 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
741 addresses, not aligned ones.
743 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
744 Richard Guenther <rguenther@suse.de>
746 PR tree-optimization/39100
747 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
748 comment says and add edges.
750 2009-02-05 Joseph Myers <joseph@codesourcery.com>
753 * c-common.c (handle_tls_model_attribute): Ignore attribute for
754 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
756 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
758 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
759 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
760 register_bb_in_sese, new_sese, free_sese): Moved.
761 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
762 outermost_loop_in_scop, build_scop_iteration_domain,
763 expand_scalar_variables_ssa_name, get_vdef_before_scop,
764 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
765 Use loop_in_sese_p instead of loop_in_scop_p.
766 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
767 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
768 (scopdet_basic_block_info): Fix bug in scop detection.
769 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
770 eq_loop_to_cloog_loop): Remove.
771 (nb_loops_around_loop_in_scop, nb_loop
772 ref_nb_loops): Moved here...
773 * graphite.h (ref_nb_loops): ... from here.
774 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
775 (loop_domain_dim, loop_iteration_vector_dim): Remove.
776 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
777 * testsuite/gcc.dg/graphite/scop-19.c: New
779 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
780 Hans-Peter Nilsson <hp@axis.com>
782 PR rtl-optimization/37889
783 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
784 Move offset handling from PLUS to before the switch. Use new
785 arguments when considering SYMBOL_REFs too.
786 (rtx_addr_can_trap_p): Pass dummy offset and size.
787 (enum may_trap_p_flags): Remove.
788 (may_trap_p_1): Pass size from MEM_SIZE.
790 PR rtl-optimization/38921
791 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
792 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
793 * rtlanal.c (may_trap_after_code_motion_p): Delete.
794 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
796 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
798 AVX Programming Reference (January, 2009)
799 * config/i386/sse.md (*vpclmulqdq): New.
801 2009-02-04 Jakub Jelinek <jakub@redhat.com>
803 PR tree-optimization/38977
804 PR gcov-profile/38292
805 * calls.c (special_function_p): Disregard __builtin_ prefix.
807 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
809 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
810 non-indexable addresses even before reload.
812 2009-02-03 Joseph Myers <joseph@codesourcery.com>
815 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
816 as having variable size. Do not give an error for unnamed
817 parameters with [*] declarators. Give a warning for type names
818 with [*] declarators and mark them as variable size.
819 * c-parser.c (c_parser_sizeof_expression): Do not give an error
820 for sizeof applied to [*] type names.
822 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
825 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
827 2009-02-03 Jakub Jelinek <jakub@redhat.com>
829 * gcc.c (process_command): Update copyright notice dates.
830 * gcov.c (print_version): Likewise.
831 * gcov-dump.c (print_version): Likewise.
832 * mips-tfile.c (main): Likewise.
833 * mips-tdump.c (main): Likewise.
835 2009-02-03 Joseph Myers <joseph@codesourcery.com>
838 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
839 for composite type involving a zero-length array type.
841 2009-02-03 Jakub Jelinek <jakub@redhat.com>
844 * function.c (match_asm_constraints_1): Skip over
845 initial optional % in the constraint.
848 * c-parser.c (c_parser_postfix_expression): If fixed point is not
849 supported, don't accept FIXED_CSTs.
850 * c-decl.c (finish_declspecs): Error if fixed point is not supported
851 and _Sat is used without _Fract/_Accum. Set specs->type to
852 integer_type_node for cts_fract/cts_accum if fixed point is not
855 2009-02-02 Catherine Moore <clm@codesourcery.com>
857 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
859 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
861 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
862 (ABI_HAS_64BIT_SYMBOLS): Use it.
863 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
865 2009-02-02 Paul Brook <paul@codesourcery.com>
867 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
869 2009-02-02 Jakub Jelinek <jakub@redhat.com>
872 * recog.h (asm_operand_ok): Add constraints argument.
873 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
874 recurse on matching constraint.
875 (check_asm_operands): Pass constraints as 3rd argument to
876 asm_operand_ok. Don't look up matching constraint here.
877 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
880 2009-02-02 Ben Elliston <bje@au.ibm.com>
882 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
883 TARGET_NARROW_VOLATILE_BITFIELD macro names.
885 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
887 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
888 information. Remove some obsolete information. Reorganize.
890 * config/pa/fptr.c: Revert license to GPL 2.
891 * config/pa/milli64.S: Likewise.
893 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
896 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
897 LIBRARY name in, instead of hard-coding it.
898 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
899 extra target make frag to tmake_files according to EH model.
900 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
901 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
902 frags that define makefile variable EH_MODEL appropriately.
903 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
904 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
905 to "-sjlj" according to type of EH configured.
906 (LIBGCC_SONAME): Concatenate it to shared library base name.
907 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
908 to "_sjlj" according to type of EH configured.
909 (LIBGCC_SONAME): Concatenate it to shared library base name.
910 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
911 (SHLIB_LINK): Add missing semicolon to if-else construct.
912 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
913 string value of "pe_dll" command-line option.
914 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
915 (SHLIB_SONAME): Use it when overriding t-cygming default.
916 (SHLIB_IMPLIB): Override t-cygming default.
917 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
918 string value of "pe_dll" command-line option.
920 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
923 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
924 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
926 2009-01-31 Richard Guenther <rguenther@suse.de>
928 PR tree-optimization/38937
929 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
930 computing the transitive closure.
932 2009-01-30 Richard Guenther <rguenther@suse.de>
934 PR tree-optimization/39041
935 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
936 Propagate variable indices only if the types match for this stmt.
938 2009-01-30 Jakub Jelinek <jakub@redhat.com>
941 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
942 inline but never defined.
944 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
946 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
947 (*insv_h_di_reg_extimm): New insn.
948 (*insv_l<mode>_reg_extimm): New insn.
950 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
952 * config/picochip/picochip.c (flag_conserve_stack): set
953 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
954 fconserve-stack. Reduce call-overhead used by inliner.
956 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
959 * common.opt (flag_conserve_stack): Initialised to zero.
961 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
964 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
965 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
968 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
970 * ira-color.c (allocno_reload_assign): Update comments.
971 * regmove.c (regmove_optimize): Likewise.
975 2009-01-29 Robert Millan <rmh@aybabtu.com>
977 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
978 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
980 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
982 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
984 PR tree-optimization/39007
985 * tree-loop-distribution.c (generate_builtin): Use
986 recompute_dominator to compute the immediate dominator of the
987 basic block just after the loop.
989 2008-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
991 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
992 (ASM_OUTPUT_DWARF_PCREL): Define.
994 2008-01-29 Vladimir Makarov <vmakarov@redhat.com>
996 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
997 * doc/passes.texi: Remove entries about regclass, local-alloc, and
998 global. Modify entries about regmove and IRA.
1000 * ra-conflict.c: Remove the file.
1002 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1004 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1005 (pass_regclass_init): Rename to pass_reginfo_init.
1007 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1009 * toplev.h (flag_ira): Remove.
1011 * caller-save.c (setup_save_areas): Remove flag_ira.
1013 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1015 * global.c: Remove the file.
1017 * opts.c: (decode_options): Remove flag_ira.
1019 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1021 * regmove.c: Modify file description.
1022 (find_use_as_address, try_auto_increment): Define them only if
1023 AUTO_INC_DEC is defined.
1024 (replacement_quality, replace_in_call_usage, fixup_match_1,
1025 stable_and_no_regs_but_for_p): Remove.
1026 (reg_set_in_bb): Make it static.
1027 (regmove_optimize): Remove flag_ira and code which worked for
1030 * local-alloc.c: Remove the file.
1032 * common.opt (fira): Remove.
1034 * ira.c: Include except.h.
1035 (eliminable_regset): Move from global.c.
1036 (mark_elimination): Ditto. Remove flag_ira.
1037 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1038 equiv_mem_modified, validate_equiv_mem_from_store,
1039 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1040 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1041 no_equiv, recorded_label_ref): Move from local-alloc.c.
1042 (update_equiv_regs): Ditto. Make it static.
1043 (print_insn_chain, print_insn_chains): Move it from global.c.
1044 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1045 (build_insn_chain): Ditto. Make it static.
1046 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1047 Rename to init_live_subregs.
1048 (gate_ira): Remove flag_ira.
1050 * regclass.c: Rename reginfo.c. Change file description.
1051 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1052 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1053 (init_reg_sets_1): Remove code for evaluation of
1054 reg_class_superclasses and losing_caller_save_reg_set.
1055 (init_regs): Remove init_reg_autoinc.
1056 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1057 ok_for_base_p_nonstrict): Remove.
1058 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1059 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1060 corresponding entries.
1061 (dump_regclass, record_operand_costs, scan_one_insn,
1062 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1063 record_address_regs, auto_inc_dec_reg_p): Remove.
1064 (gt-regclass.h): Rename to gt-reginfo.h.
1066 * rtl.h (dump_global_regs, retry_global_alloc,
1067 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1069 * Makefile.in (RA_H): Remove.
1070 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1071 Rename regclass.o to reginfo.o.
1072 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1074 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1075 (GTFILES): Rename regclass.c to reginfo.c.
1077 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1078 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1080 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1081 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1083 (finish_spills): Ditto. Remove code for !flag_ira.
1085 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1088 * doc/invoke.texi (rtl debug options): Complete rewrite.
1089 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1091 * mode-switching.c (pass_mode_switching): Rename pass from
1092 "mode-sw" to "mode_sw".
1093 * except.c (pass_convert_to_eh_ranges): Rename pass from
1094 "eh-ranges" to "eh_ranges".
1095 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1099 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1100 Alexander Monakov <amonakov@ispras.ru>
1103 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1105 (move_exprs_to_boundary): Change return type and pass through
1106 should_move from move_op. Relax assert. Update usage ...
1107 (schedule_expr_on_boundary): ... here. Use should_move instead of
1109 (move_op_orig_expr_found): Indicate that insn was disconnected from
1111 (code_motion_process_successors): Do not call after_merge_succs
1112 callback if original expression was not found when traversing any of
1114 (code_motion_path_driver): Change return type. Update prototype.
1115 (move_op): Update comment. Add a new parameter (should_move). Update
1116 prototype. Set *should_move based on indication provided by
1117 move_op_orig_expr_found.
1119 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1121 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1122 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1123 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1124 * config/rs6000/rs6000.c (rs6000_override_options): Default
1125 avoid-indexed-addresses on for Power6, off for everything else.
1126 (avoiding_indexed_address_p): New function.
1127 (rs6000_legitimize_address): Use it.
1128 (rs6000_legitimate_address): Likewise.
1129 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1131 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1133 PR tree-optimization/38997
1134 * tree-loop-distribution.c (generate_memset_zero): Use
1135 POINTER_PLUS_EXPR for a pointer addition.
1137 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1139 * config/s390/s390.md (bswap<mode>2): New pattern added.
1141 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1143 * config/s390/s390.md (*tls_load_31): Added type attribute.
1145 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1147 * config/s390/s390.md: Fix a few comments.
1149 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1151 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1152 (*tm<mode>_full): Fixed z10prop attribute.
1153 (*tst<mode>_extimm): Fixed z10prop attribute.
1154 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1155 (*tstqiCCT_cconly): Fixed z10prop attribute.
1156 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1157 (*movsi_larl): Fixed z10prop attribute.
1158 (*movsi_zarch): Fixed z10prop attribute.
1159 (*movsi_eas): Fixed z10prop attribute.
1160 (*movhi): Fixed z10prop attribute.
1161 (*movqi): Fixed z10prop attribute.
1162 (*movstrictqi): Fixed z10prop attribute.
1163 (*mov<mode>): Fixed z10prop attribute.
1164 (*movcc): Fixed z10prop attribute.
1165 (*sethighpartdi_64): Fixed z10prop attribute.
1166 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1167 (*negdi2_sign_cc): Fixed z10prop attribute.
1168 (*negdi2_sign): Fixed z10prop attribute.
1169 (*absdi2_sign_cc): Fixed z10prop attribute.
1170 (*absdi2_sign): Fixed z10prop attribute.
1171 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1172 (*negabsdi2_sign): Fixed z10prop attribute.
1173 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1174 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1175 (doloop_si64): Fixed z10prop attribute.
1176 (doloop_si31): Fixed z10prop attribute.
1177 (doloop_long): Fixed z10prop attribute.
1178 (indirect_jump): Fixed z10prop attribute.
1179 (nop): Fixed z10prop attribute.
1180 (main_base_64): Fixed z10prop attribute.
1181 (reload_base_64): Fixed z10prop attribute.
1183 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1185 PR rtl-optimization/38740
1186 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1188 * config/mips/mips.c (mips_reorg): Likewise.
1190 2009-01-28 Richard Guenther <rguenther@suse.de>
1192 PR tree-optimization/38926
1193 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1194 with the correct value id to a value.
1195 (do_regular_insertion): Use the value number of edoubleprime
1196 for the value number of the expr.
1199 2008-08-21 Richard Guenther <rguenther@suse.de>
1201 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1202 a PHI ask VN if it is already available.
1203 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1204 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1206 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1209 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1210 set to varying whenever max has TREE_OVERFLOW set, similarly
1211 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1213 2009-01-28 Richard Guenther <rguenther@suse.de>
1216 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1217 uninitialized aggregate uses in call arguments.
1219 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1221 PR tree-optimization/38984
1222 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1223 the nothing_id variable if -fno-delete-null-pointer-checks.
1225 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1228 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1229 (set_got_offset_rex64): Ditto.
1231 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1234 * doc/extend.texi: Improve local variable with asm reg.
1236 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1238 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1239 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1240 was not supplied then set warn_packed_bitfield_compat to the
1242 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1245 2009-01-27 Richard Guenther <rguenther@suse.de>
1247 PR tree-optimization/38503
1248 * cfgexpand.c (expand_gimple_basic_block): Ignore
1249 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1250 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1251 variables that cannot have TBAA applied.
1252 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1255 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1258 * calls.c (initialize_argument_information): Do not wrap complex
1259 arguments in SAVE_EXPR.
1261 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1263 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1264 (INSTALL_LIBGCC): Revert typo commit.
1266 2009-01-26 Richard Guenther <rguenther@suse.de>
1268 PR tree-optimization/38745
1269 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1270 from special handling.
1272 2009-01-26 Richard Guenther <rguenther@suse.de>
1274 PR tree-optimization/38745
1275 * tree-ssa.c (execute_update_addresses_taken): Do not include
1276 variables that cannot possibly be a register in not_reg_needs.
1277 Do not clear TREE_ADDRESSABLE on vars that may not become
1279 * tree-ssa.c (update_alias_info_1): Include those in the set
1280 of addressable vars.
1282 2009-01-26 Richard Guenther <rguenther@suse.de>
1285 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1286 * tree-ssa-dse.c: Include langhooks.h
1287 (execute_simple_dse): Remove stores with zero size.
1289 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1292 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1295 2009-01-24 Julian Brown <julian@codesourcery.com>
1297 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1298 config/arm/linux-atomic.c.
1299 * config/arm/linux-atomic.c: New.
1301 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1303 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1304 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1305 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1307 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1310 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1313 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1315 PR tree-optimization/38953
1316 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1317 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1318 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1319 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1322 2009-01-24 Paul Brook <paul@codesourcery.com>
1324 * config/arm/neon.md (neon_type): Move to arm.md.
1325 (neon_mov<VSTRUCT>): Add neon_type attribute.
1326 * config/arm/arm.md (neon_type): Move to here.
1327 (conds): Add "unconditioal" and use as default for NEON insns.
1329 2009-01-24 Ben Elliston <bje@au.ibm.com>
1331 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1332 void *' warning from -Wc++-compat.
1333 * Makefile.in (dominance.o-warn): Remove.
1335 2008-01-23 Paolo Bonzini <bonzini@gnu.org>
1337 PR tree-optimization/38932
1338 * fold-const.c (fold_unary_ignore_overflow): New.
1339 * tree.h (fold_unary_ignore_overflow): Declare.
1340 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1341 * tree-ssa-sccvn.c (visit_reference_op_load,
1342 simplify_unary_expression): Likewise.
1344 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1346 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1347 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1348 regardless of their type.
1349 * c-common.c (handle_packed_attribute): Don't ignore packed on
1351 * c.opt (Wpacked-bitfield-compat): New warning option.
1352 * stor-layout.c (place_field): Warn if offset of a field changed.
1353 * doc/extend.texi (packed): Mention the ABI change.
1354 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1355 (Warning Options): Add it to the list.
1357 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1359 * c-opts.c (c_common_post_options): Fix a typo in comments.
1361 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1364 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1365 variables to static.
1366 * doc/invoke.texi (-fmerge-all-constants): Update description.
1368 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1371 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1372 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1374 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1376 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1378 (LOCAL_ALIGNMENT): Similarly.
1380 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1381 Joseph Myers <joseph@codesourcery.com>
1383 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1384 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1385 * config/arm/arm-tune.md: Regenerate.
1386 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1389 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1391 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1392 version number to five.
1394 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1397 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1398 * c-common.c (set_underlying_type): Likewise.
1399 (is_typedef_decl ): Likewise
1401 (set_underlying_type): Likewise.
1402 (is_typedef_type): Likewise.
1404 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1407 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1410 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1413 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1414 (LIBGCC_SPEC): Don't define.
1415 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1417 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1419 PR rtl-optimization/38879
1420 * alias.c (base_alias_check): Unaligned access via AND address can
1421 alias all surrounding object types except those with sizes equal
1422 or wider than the size of unaligned access.
1424 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1427 * c-decl.c: (clone_underlying_type): Move this ...
1428 * c-common.c (set_underlying_type): ... here.
1429 Also, make sure the function properly sets TYPE_STUB_DECL() on
1430 the newly created typedef variant type.
1431 (is_typedef_decl ): New entry point.
1432 * tree.h: Added a new member member_types_needing_access_check to
1433 struct tree_decl_non_common.
1434 (set_underlying_type): New entry point.
1435 (is_typedef_type): Likewise.
1437 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1439 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1440 Check whether two instructions have memory references that
1441 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1442 are helper functions for traversing.
1443 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1444 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1445 not to draw dependency edge for instructions with non-conflicting
1448 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1451 * longlong.h: Update copyright years. Use soft-fp license notice.
1452 Sync __clz_tab declaration with glibc.
1454 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1457 * doc/extend.texi (syscall_linkage): New.
1458 (version_id): Modify.
1460 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1461 Richard Guenther <rguenther@suse.de>
1463 PR tree-optimization/38747
1464 PR tree-optimization/38748
1465 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1466 conversion if the base address is an indirect reference and the
1467 aliasing sets could cause issues.
1469 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1471 * common.opt (fgraphite, fgraphite-identity): Add comment for
1472 explaining why these options are not documented.
1474 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1476 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1477 gimple_call_lhs is NULL.
1479 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
1482 * emit-rtl.c (adjust_address_1): Make sure memref is never
1485 2009-01-20 Ben Elliston <bje@au.ibm.com>
1487 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1488 const qualifier from arg parameter. Remove unnecessary cast to char *.
1489 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1490 const qualifier from arg 2.
1492 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1494 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1496 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1499 * rtl.h (reinit_regs): New prototype.
1500 * regclass.c: Include ira.h.
1502 * Makefile.in (regclass.o): Add ira.h.
1503 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1505 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1508 * c-common.c (handle_aligned_attribute): Use
1509 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1510 default alignment value.
1512 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1514 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1515 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1517 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1518 __BIGGEST_ALIGNMENT__.
1520 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1522 2009-01-18 Richard Guenther <rguenther@suse.de>
1524 PR tree-optimization/38819
1525 * tree-flow.h (operation_could_trap_helper_p): Declare.
1526 * tree-eh.c (operation_could_trap_helper_p): Export.
1527 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1528 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1529 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1530 are about to insert a possibly trapping instruction and fail
1533 2009-01-18 Andreas Schwab <schwab@suse.de>
1535 * doc/install.texi (Configuration): Remove obsolete paragraph
1536 about use of --with-gnu-ld with --with-gnu-as.
1538 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1540 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1541 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1542 Follow spelling conventions.
1544 2009-01-18 Ben Elliston <bje@au.ibm.com>
1546 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1547 C++ warning about implicit conversion from void * to struct
1549 (bitmap_obstack_free): Likewise for bitmap_element *.
1550 * Makefile.in (bitmap.o-warn): Remove.
1552 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1554 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1556 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1557 Tobias Grosser <tobi.grosser@amd.com>
1559 * graphite.c (graphite_trans_scop_block): Do not block single
1562 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1564 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1565 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1566 test with assertion.
1568 2009-01-16 Richard Guenther <rguenther@suse.de>
1570 PR tree-optimization/38835
1572 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1573 and INT + PTR -> (INT)(PTR p+ INT) folding.
1574 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1576 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1579 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1580 the subreg from a lowpart subreg if it is also casting the value.
1582 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1583 Tobias Grosser <tobi.grosser@amd.com>
1585 * graphite.c (compare_prefix_loops): New.
1586 (build_scop_canonical_schedules): Rewritten.
1587 (graphite_transform_loops): Move build_scop_canonical_schedules
1588 after build_scop_iteration_domain.
1590 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1591 Tobias Grosser <tobi.grosser@amd.com>
1593 * graphite.c (add_conditions_to_domain): Add the loops to
1594 the dimension of the iteration domain. Do copy the domain
1595 only when it exists.
1596 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1597 (add_conditions_to_constraints): New.
1598 (can_generate_code_stmt, can_generate_code): Removed.
1599 (gloog): Do not call can_generate_code.
1600 (graphite_transform_loops): Call add_conditions_to_constraints
1601 after building the iteration domain.
1603 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1605 PR tree-optimization/38789
1606 * tree-ssa-threadedge.c
1607 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1608 __builtin_constant_p.
1610 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1612 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1613 examined before deleting them.
1615 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1617 * function.c (aggregate_value_p): Correctly extract the function
1618 type from CALL_EXPR_FN lookup.
1620 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1622 * config/picochip/picochip.c (picochip_override_options): Revert
1623 CFI asm flag disable commited previously.
1625 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1626 Tobias Grosser <tobi.grosser@amd.com>
1627 Jan Sjodin <jan.sjodin@amd.com>
1629 * graphite.c (scan_tree_for_params): On substractions negate
1630 all the coefficients of the term.
1631 (clast_to_gcc_expression_red): New. Handle reduction expressions
1632 of more than two operands.
1633 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1634 (get_vdef_before_scop): Handle also the case of default definitions.
1636 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1638 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1639 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1640 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1642 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1643 Joey Ye <joey.ye@intel.com>
1646 * cfgexpand.c (expand_stack_alignment): Don't update stack
1647 boundary nor check incoming stack boundary here.
1648 (gimple_expand_cfg): Update stack boundary and check incoming
1649 stack boundary here.
1651 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1653 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1655 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1657 PR rtl-optimization/38245
1658 * calls.c (expand_call): Add stack arguments to
1659 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1660 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1661 in regs and partially in memory or BLKmode arguments.
1662 (emit_library_call_value_1): Add stack arguments to
1663 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1664 ACCUMULATE_OUTGOING_ARGS).
1665 * dce.c: Include tm_p.h.
1666 (find_call_stack_args): New function.
1667 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1669 (mark_insn): Call find_call_stack_args for CALL_Ps.
1670 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1671 forwards. Allocate and free arg_stores bitmap if needed, pass it
1672 down to deletable_insn_p, don't mark stores set in arg_stores
1673 bitmap, clear the bitmap at the beginning of each bb.
1674 * Makefile.in (dce.o): Depend on $(TM_P_H).
1676 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1679 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1680 to make sure the insn is a conditional test (bug 22599). Reformat a
1683 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1686 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1687 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1688 (gloog): Do not call cleanup_tree_cfg.
1689 (graphite_transform_loops): Call cleanup_tree_cfg after all
1690 scops have been code generated.
1692 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1693 * doc/gty.texi (Invoking the garbage collector): Added new node
1694 and section documenting ggc_collect.
1696 2009-01-14 Richard Guenther <rguenther@suse.de>
1698 PR tree-optimization/38826
1700 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1701 initialization notes only if we actually emitted a warning.
1702 (intra_create_variable_infos): Add constraints for a result decl
1703 that is passed by hidden reference.
1704 (build_pred_graph): Mark all related variables non-direct on
1707 2009-01-14 Nick Clifton <nickc@redhat.com>
1709 * ira-conflicts.c: Include addresses.h for the definition of
1711 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1712 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1714 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1717 * Makefile.in (ira-lives.o): Add except.h.
1719 * ira-lives.c: Include except.h.
1720 (process_bb_node_lives): Process can_throw_internal.
1722 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1724 PR rtl-optimization/38774
1725 * combine.c (simplify_set): When undoing cc_use change, don't do
1726 PUT_CODE on the newly created comparison, but instead put back the
1729 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1731 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1732 values. Remove duplicate arm8 entry.
1734 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1736 PR tree-optimization/38786
1737 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1738 the SSA_NAME case of expand_scalar_variables_expr.
1739 Set the type of an expression to the type of its assign statement.
1740 (expand_scalar_variables_expr): Also gather the scalar computation
1741 used to index the memory access. Do not pass loop_p.
1742 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1743 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1744 the gimple_stmt_iterator where it inserts new code.
1746 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1747 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1749 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1751 * graphite.h (debug_value): Removed.
1752 * graphite.c (debug_value): Removed.
1754 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1756 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1757 ldrd/strd with two 32-bit instructions.
1759 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1761 * config/arm/arm.c (struct processors): Pass for speed down into
1762 cost helper functions.
1763 (const_ok_for_op): Handle COMPARE and inequality nodes.
1764 (arm_rtx_costs_1): Rewrite.
1765 (arm_size_rtx_costs): Update prototype.
1766 (arm_rtx_costs): Pass speed down to helper functions.
1767 (arm_slowmul_rtx_costs): Rework cost calculations.
1768 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1769 (arm_9e_rtx_costs): Likewise.
1771 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1773 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1774 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1775 (alpha_legitimize_address): Do not split local symbols wider than
1776 UNITS_PER_WORD into HIGH/LO_SUM parts.
1778 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1781 * gcc.c (process_command): Replace call to execvp with calls
1782 to pex_one and exit.
1784 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1787 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1788 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1789 variant for devices with 3-byte PC.
1790 (__tablejump_elpm__) : New.
1792 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1795 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1796 offsetof member-designator, handle it as `[0].'.
1798 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1800 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1801 function when not using named sections on targets with named sections
1802 if branch distance is less than 262132.
1804 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1806 * combine.c (combine_instructions): Recompute
1807 optimize_this_for_speed_p for each BB in the main combine loop.
1809 2009-01-12 Tomas Bily <tbily@suse.cz>
1812 * tree-loop-distribution.c (prop_phis): New function.
1813 (generate_builtin): Call prop_phis.
1814 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1816 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1818 PR tree-optimization/38807
1819 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1820 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1822 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1824 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1825 subreg of op0 to the original op0.
1827 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1829 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1831 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1834 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1835 starting with digits.
1837 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1840 * config/arm/arm.c (arm_is_long_call_p): Don't call
1841 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1843 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1845 * regrename.c (regrename_optimize): Fix dumping.
1846 (find_oldest_value_reg): Preserve REG_POINTER.
1847 (copy_hardreg_forward_1): Likewise.
1849 2009-01-09 Diego Novillo <dnovillo@google.com>
1851 * gimple.h (struct gimple_statement_base) <uid>: Document
1852 the restrictions on its use.
1854 (gimple_set_uid): Tidy.
1856 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1858 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1859 zero guard even if align_bytes != 0 and count is smaller than
1862 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
1864 PR rtl-optimization/38495
1865 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1866 (add_range_and_copies_from_move_list): Print all added ranges.
1867 Add ranges to memory optimized destination.
1869 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1873 * config/i386/i386.c (override_options): Reject
1874 -mstringop-strategy=rep_8byte with -m32.
1875 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1876 to 1. Do count comparison against epilogue_size_needed at compile
1877 time even when count_exp was constant forced into register. For
1878 size_needed don't jump to epilogue, instead just avoid aligning
1879 and invoke the body algorithm. If need_zero_guard, add zero guard
1880 even if count is non-zero, but smaller than size_needed + number of
1881 bytes that could be stored for alignment.
1882 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1883 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1884 but smaller than size_needed + number of bytes that could be stored
1885 for alignment. Compare size_needed with epilogue_size_needed instead
1886 of desired_align - align, don't adjust size_needed, pass
1887 epilogue_size_needed to the epilogue expanders.
1890 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1892 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1894 * pa.c (last_address): Change to unsigned.
1895 (update_total_code_bytes): Change argument to unsigned. Don't
1896 check if insn addresses are set.
1897 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1898 addresses are not set.
1899 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1901 2009-01-09 Nick Clifton <nickc@redhat.com>
1903 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1904 DECL_DECLARED_INLINE_P.
1906 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1909 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1910 GET_MODE (op0) in operand_subword_force calls.
1913 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1914 fold_convert arg0 operands to TREE_TYPE (op0) first.
1916 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1918 * params.def (ira-max-conflict-table-size): Decrease default value
1921 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1923 PR tree-optimization/37031
1924 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1926 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1927 allocate it using gc instead of heap, use VEC_quick_push instead of
1929 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1930 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1931 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1932 allocated vector from heap allocated.
1933 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1934 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1935 vector only after perfect_loop_nest_depth call.
1937 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1938 Jan Sjodin <jan.sjodin@amd.com>
1940 PR tree-optimization/38559
1941 * graphite.c (debug_value, copy_constraint,
1942 swap_constraint_variables, scale_constraint_variable, ): New.
1943 (get_lower_bound, get_upper_bound): Removed.
1944 (graphite_trans_bb_strip_mine): Clean up this code that works
1945 only for constant number of iterations. Fully copy upper and
1946 lower bound constraints, not only the constant part of them.
1947 * graphite.h (debug_value): Declared.
1949 2009-01-08 Ira Rosen <irar@il.ibm.com>
1951 PR tree-optimization/37194
1952 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1953 Don't add the cost of cost model guard in prologue to scalar
1954 outside cost in case of known number of iterations.
1956 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1957 Alan Modra <amodra@bigpond.net.au>
1959 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1960 non-word-aligned REG+CONST addressing.
1962 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1965 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1966 free_after_compilation when outputting a thunk.
1967 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1968 Do not call free_after_compilation here.
1970 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1972 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1973 (ix86_valid_target_attribute_inner_p): Ditto.
1975 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1977 PR tree-optimization/38492
1978 PR tree-optimization/38498
1979 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1980 * tree-chrec.h (scev_is_linear_expression): Declared.
1981 * graphite.c (graphite_cannot_represent_loop_niter): New.
1982 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
1983 (graphite_loop_normal_form): Use gcc_assert.
1984 (scan_tree_for_params): Use CASE_CONVERT.
1985 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
1986 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
1987 Use gcc_assert. Discard scops that contain unhandled cases.
1988 (build_scop_conditions): Return a boolean status for unhandled cases.
1989 (strip_mine_profitable_p): Print the loop number, not its depth.
1990 (is_interchange_valid): Pass the depth of the loop nest, don't
1991 recompute it wrongly.
1992 (graphite_trans_bb_block): Same.
1993 (graphite_trans_bb_block): Print tentative of loop blocking.
1994 (graphite_trans_scop_block): Do not print that the loop has been
1996 (graphite_transform_loops): Do not handle scops that contain condition
1999 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2001 AVX Programming Reference (December, 2008)
2002 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2003 (_mm256_stream_pd): Likewise.
2004 (_mm256_stream_ps): Likewise.
2006 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2007 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2008 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2009 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2010 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2011 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2012 (ix86_expand_special_args_builtin): Likewise.
2014 * config/i386/sse.md (AVXMODEDI): New.
2015 (avx_movnt<mode>): Likewise.
2016 (avx_movnt<mode>): Likewise.
2017 (<sse>_movnt<mode>): Remove AVX support.
2018 (sse2_movntv2di): Likewise.
2020 2009-01-07 Richard Guenther <rguenther@suse.de>
2023 * fold-const.c (extract_muldiv): Remove obsolete comment.
2024 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2025 to PLUS_EXPR canonicalization for the canonicalization.
2027 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2029 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2030 hosted cross-compilers generating less efficient code.
2032 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2034 * function.h (rtl_data): Add a dbr_scheduled_p field.
2035 * reorg.c (dbr_schedule): Set it.
2036 (gate_handle_delay_slots): Check it.
2037 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2038 (mips_reorg): Check flag_delayed_branch instead of
2039 mips_base_delayed_branch.
2040 (mips_override_options): Don't set mips_base_delayed_branch
2041 or flag_delayed_branch.
2043 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2045 PR rtl-optimization/38426.
2046 * ira.c (ira): Set current_function_is_leaf earlier.
2048 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2050 PR rtl-optimization/38722
2051 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2052 too early, only set a flag and modify after last possible
2055 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2058 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2059 * real.c (decimal_single_format): Correct values of emin and emax.
2060 (decimal_double_format): Ditto.
2061 (decimal_quad_format): Ditto.
2062 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2063 computation of DECnn_MIN and DECnn_MAX for corrected values of
2064 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2065 __DECnn_MIN__, and adjust its computation for the corrected value
2068 2009-01-06 Jan Hubicka <jh@suse.cz>
2071 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2073 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2075 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2076 Add Robert Clark to the list of testers.
2078 2009-01-06 Jan Hubicka <jh@suse.cz>
2079 Kai Tietz <kai.tietz@onevision.com>
2081 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2082 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2084 2009-01-06 Jan Hubicka <jh@suse.cz>
2085 Kai Tietz <kai.tietz@onevision.com>
2087 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2089 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2090 (ix86_nsaved_regs): Count only general purpose regs.
2091 (ix86_nsaved_sseregs): New.
2092 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2093 to 16 for w64; compute padding and size of sse reg save area.
2094 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2095 general purpose regs.
2096 (ix86_emit_save_sse_regs_using_mov): New.
2097 (ix86_expand_prologue): Save SSE regs if needed.
2098 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2099 (ix86_emit_restore_sse_regs_using_mov): New.
2100 (ix86_expand_epilogue): Save SSE regs if needed.
2102 2009-01-06 Jan Hubicka <jh@suse.cz>
2103 Kai Tietz <kai.tietz@onevision.com>
2105 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2106 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2107 functions when accumulate outgoing args is off.
2109 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2112 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2113 before using pseudos_have_intersected_live_ranges_p.
2115 * ira-int.h (ira_assert): Always define.
2117 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2119 AVX Programming Reference (December, 2008)
2120 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2121 (_mm256_permute2_pd): Likewise.
2122 (_mm_permute2_ps): Likewise.
2123 (_mm256_permute2_ps): Likewise.
2124 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2125 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2127 * config/i386/i386.c (ix86_builtins): Remove
2128 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2129 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2130 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2131 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2132 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2133 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2134 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2135 __builtin_ia32_vpermil2ps256.
2136 (ix86_init_mmx_sse_builtins): Updated.
2137 (ix86_expand_args_builtin): Likewise.
2139 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2141 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2142 long absolute calls when generating PA 2.0 code.
2144 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2146 PR rtl-optimization/38583
2147 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2149 * params.def (ira-max-conflict-table-size): New.
2151 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2153 * ira.h (ira_conflicts_p): New external definition.
2155 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2156 table. Report this. Return result of building.
2157 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2158 building conflict table.
2160 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2161 (ira_color): Use ira_conflicts_p.
2163 * global.c: Include ira.h.
2164 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2167 * Makefile.in (global.o): Add ira.h.
2169 * ira-build.c (mark_all_loops_for_removal,
2170 propagate_some_info_from_allocno): New.
2171 (remove_unnecessary_allocnos): Call
2172 propagate_some_info_from_allocno.
2173 (remove_low_level_allocnos): New.
2174 (remove_unnecessary_regions): Add parameter. Call
2175 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2176 parameter to remove_unnecessary_regions.
2177 (ira_build): Remove all regions but root if the conflict table was
2178 not built. Update conflict hard regs for allocnos crossing calls.
2180 * ira.c (ira_conflicts_p): New global.
2181 (ira): Define and use ira_conflicts_p.
2183 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2184 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2185 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2187 2009-01-06 Ben Elliston <bje@au.ibm.com>
2189 * gengtype-lex.l (YY_NO_INPUT): Define.
2191 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2194 * c-common.c (handle_vector_size_attribute): Also reject
2197 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2199 PR tree-optimization/38492
2200 * graphite.c (rename_map_elt, debug_rename_elt,
2201 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2202 rename_map_elt_info, eq_rename_map_elts,
2203 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2204 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2205 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2206 (sese_build_livein_liveouts): New.
2207 (new_sese, free_sese): New.
2208 (new_scop): Call new_sese.
2209 (free_scop): Call free_sese.
2210 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2211 (register_old_new_names): Renamed register_old_and_new_names.
2212 (register_scop_liveout_renames, add_loop_exit_phis,
2213 insert_loop_close_phis, struct igp,
2214 default_liveout_before_guard, add_guard_exit_phis,
2215 insert_guard_phis, copy_renames): New.
2216 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2217 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2218 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2219 (scop_adjust_phis_for_liveouts): New.
2220 (gloog): Call scop_adjust_phis_for_liveouts.
2222 * graphite.h (struct sese): Documented. Added fields liveout,
2224 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2225 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2226 (struct scop): Added field liveout_renames.
2227 (SCOP_LIVEOUT_RENAMES): New.
2229 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2231 PR tree-optimization/38510
2232 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2233 (translate_clast): Call recompute_all_dominators before
2235 (gloog): Call recompute_all_dominators before graphite_verify.
2237 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2238 Jan Sjodin <jan.sjodin@amd.com>
2240 PR tree-optimization/38500
2241 * graphite.c (create_sese_edges): Call fix_loop_structure after
2244 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2246 * config.gcc: Add m32r*-*-rtems*.
2247 * config/m32r/rtems.h: New file.
2249 2009-01-05 Ben Elliston <bje@au.ibm.com>
2251 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2252 (.po.pox): Likewise.
2253 (po/gcc.pot): Likewise.
2255 2009-01-04 David S. Miller <davem@davemloft.net>
2257 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2258 (STARTING_FRAME_OFFSET): Always set to zero.
2260 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2262 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2263 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2264 fixed-point types, and vectors of the same.
2266 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2268 * config/mips/sync.md (*mb_barrier): Rename to...
2269 (*memory_barrier): ...this.
2271 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2273 * doc/extend.texi (Function Attributes): Move @cindex after @item
2274 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2275 and put in alphabetical order. Fix 'target' name and put in order.
2276 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2279 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2281 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2282 (memory_barrier): Expand as unspec instead of unspec_volatile.
2283 Remove mem:BLK from insn operands. Use Pmode scratch register.
2284 (*memory_barrier): Define as unspec instead of unspec_volatile.
2285 Use (match_dup 0) as input operand.
2287 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2288 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2289 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2290 scratch register. Remove operand 1.
2291 (*stbar): Define as unspec instead of unspec_volatile.
2292 Use (match_dup 0) as input operand, remove (const_int 8).
2293 (*membar): Define as unspec instead of unspec_volatile.
2294 Use (match_dup 0) as input operand, remove input operand 2.
2296 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2297 (memory_barrier): Expand as unspec instead of unspec_volatile.
2298 Remove mem:BLK from insn operands. Use Pmode scratch register.
2299 (*memory_barrier): Define as unspec instead of unspec_volatile.
2300 Use (match_dup 0) as input operand.
2302 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2303 Remove mem:BLK from insn operands. Use Pmode scratch register.
2304 Set volatile flag on operand 0.
2305 (*memory_barrier): New insn pattern.
2307 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2309 (*memory_barrier): Use (match_dup 0) as input operand.
2311 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2312 Remove mem:BLK from insn operands. Use Pmode scratch register.
2313 Set volatile flag on operand 0.
2314 (*mb_internal): New insn pattern.
2316 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2318 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2321 * function.c (struct temp_slot): Move to the section of the file
2322 that deals with temp slots. Remove field 'address'.
2323 (temp_slot_address_table): New hash table of address -> temp slot.
2324 (struct temp_slot_address_entry): New struct, items for the table.
2325 (temp_slot_address_compute_hash, temp_slot_address_hash,
2326 temp_slot_address_eq, insert_temp_slot_address): Support functions
2328 (find_temp_slot_from_address): Rewrite to use the new hash table.
2329 (remove_unused_temp_slot_addresses): Remove addresses of temp
2330 slots that have been made available.
2331 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2332 worker function for remove_unused_temp_slot_addresses.
2333 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2334 Add the temp slot address to the address -> temp slot map.
2335 (update_temp_slot_address): Update via insert_temp_slot_address.
2336 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2337 (pop_temp_slots): Likewise.
2338 (init_temp_slots): Allocate the address -> temp slot map, or empty
2339 the map if it is already allocated.
2340 (prepare_function_start): Initialize temp slot processing.
2342 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2345 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2346 Calculate the size of all stack vars assuming no packing of stack
2347 vars will happen, replacing a quadratic algorithm with a linear one.
2349 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2352 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2355 2009-01-03 Diego Novillo <dnovillo@google.com>
2357 * doc/contrib.texi: Update contributions.
2359 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2362 * builtins.c (fold_builtin_memory_op): Give up if either operand
2363 is volatile. Set srctype or desttype to non-qualified version
2367 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2370 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2372 PR rtl-optimization/35805
2373 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2374 problem if fast dce is able to remove any instructions.
2375 * dce.c (dce_process_block): Fix dump message.
2377 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2380 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2382 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2385 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2386 * tree-pretty-print.c (op_code_prio): New function.
2387 (op_prio): No longer static. Use op_code_prio.
2388 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2389 Use op_prio and op_code_prio to determine if () should be
2390 printed around operand(s) or not.
2392 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2393 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2394 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2395 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2396 pp_character instead of pp_string for single letter printing.
2398 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2400 * doc/extend.texi: Fix '#pragma GCC option' typo.
2402 2009-01-02 Richard Guenther <rguenther@suse.de>
2404 * doc/install.texi (--enable-checking): Mention different
2406 (--enable-stage1-checking): Document.
2408 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2411 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2412 case to be an error.
2414 2009-01-02 Ben Elliston <bje@au.ibm.com>
2416 * config/fp-bit.h (pack_d): Constify argument.
2417 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2418 (isnan): Constify argument.
2422 (_fpadd_parts): Constify return type.
2423 (_fpmul_parts): Likewise.
2424 (_fpdiv_parts): Likewise.
2426 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2429 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2430 warn about overwriting initializer with side-effects or
2431 -Woverride-init if !IMPLICIT.
2432 (output_init_element): Likewise. Pass IMPLICIT down to
2434 (process_init_element): Add IMPLICIT argument. Pass it down
2435 to output_init_element.
2436 (push_init_element, pop_init_level, set_designator): Adjust
2437 process_init_element callers.
2438 (set_nonincremental_init, set_nonincremental_init_from_string):
2439 Adjust add_pending_init callers.
2440 (output_pending_init_elements): Adjust output_init_element callers.
2441 * c-tree.h (process_init_element): Adjust prototype.
2442 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2443 process_init_element callers.