1 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
4 * graphite.c (graphite_loop_normal_form): Do not call
5 number_of_iterations_exit from a gcc_assert.
7 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
10 jumps if COND is NULL.
11 (find_cond_jump): New function.
12 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
13 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
15 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
17 * config/alpha/alpha.h (alpha_expand_mov): Return false if
18 force_const_mem returns NULL_RTX.
20 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
22 PR rtl-optimization/39241
23 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
24 to subreg_offset_representable_p.
26 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
28 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
29 execute function prototype. Get f and nregs from max_reg_num
30 and get_insns. Remove the first backward pass as it's dead,
31 guard the forward pass by flag_expensive_optimizations.
32 (rest_of_handle_regmove): Delete.
33 (pass_regmove): Replace it with regmove_optimize.
35 2009-02-25 Martin Jambor <mjambor@suse.cz>
37 PR tree-optimization/39259
38 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
39 alls_alloca function flags.
40 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
43 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
45 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
46 flags_set_1_rtx, flags_set_1_set): Delete.
47 (regmove_optimize): Do not call mark_flags_life_zones.
49 2009-02-24 Julian Brown <julian@codesourcery.com>
52 * config/arm/arm.c (require_pic_register): Only set
53 cfun->machine->pic_reg once per function.
55 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
57 * doc/invoke.texi (Link Options): Document an easier way to pass
58 options that take arguments to the GNU linker using -Xlinker and -Wl.
60 2009-02-24 Steve Ellcey <sje@cup.hp.com>
63 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
65 2009-02-24 Richard Guenther <rguenther@suse.de>
68 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
70 2009-02-24 Richard Guenther <rguenther@suse.de>
71 Zdenek Dvorak <ook@ucw.cz>
73 PR tree-optimization/39233
74 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
75 from converting them to a generic type.
77 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
79 PR tree-optimization/39260
80 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
81 contains a condition with a real type.
82 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
84 2009-02-23 Jason Merrill <jason@redhat.com>
87 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
88 narrowing_initializer_constant_valid_p.
89 (narrowing_initializer_constant_valid_p): Don't return
90 null_pointer_node for adding a pointer to itself.
92 2009-02-23 Jan Hubicka <jh@suse.cz>
95 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
98 2009-02-23 Jan Hubicka <jh@suse.cz>
100 PR tree-optimization/37709
101 * tree.c (block_ultimate_origin): Move here from dwarf2out.
102 * tree.h (block_ultimate_origin): Declare.
103 * dwarf2out.c (block_ultimate_origin): Move to tree.c
104 * tree-ssa-live.c (remove_unused_scope_block_p):
105 Eliminate blocks containig no instructions nor live variables nor
107 (dump_scope_block): New function.
108 (remove_unused_locals): Enable removal of dead blocks by default;
109 enable dumping at TDF_DETAILS.
111 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
113 * config/i386/i386.c (classify_argument): Don't allow COImode
115 (function_arg_advance_32): Don't allow OImode.
116 (function_arg_32): Likewise.
117 (function_value_32): Likewise.
118 (return_in_memory_32): Likewise.
119 (function_arg_64): Remove OImode comment.
121 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
124 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
125 ix86_expand_vector_set for V4DImode in 64bit mode only.
126 (ix86_expand_vector_init_one_var): Likewise.
128 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
130 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
132 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
135 * loop-iv.c: Revert last change.
136 * emit-rtl.c: Likewise.
138 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
141 * config/i386/i386.c (type_natural_mode): Remove an extra
142 space in the warning message.
143 (function_value_32): Handle 32-byte vector modes.
144 (return_in_memory_32): Likewise.
146 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
148 * loop-iv.c (truncate_value): New function.
149 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
151 (lowpart_subreg): Move to...
152 * emit-rtl.c: ...here.
154 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
156 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
157 accidental and undocumented change at revision 140860.
159 2009-02-21 Joseph Myers <joseph@codesourcery.com>
161 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
162 take gimple_seq * arguments.
163 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
164 types_compatible_p langhook.
166 2009-02-20 Mark Mitchell <mark@codesourcery.com>
167 Joseph Myers <joseph@codesourcery.com>
169 * config/arm/arm.c (arm_builtin_va_list): New function.
170 (arm_expand_builtin_va_start): Likewise.
171 (arm_gimplify_va_arg_expr): Likewise.
172 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
173 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
174 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
175 (va_list_type): New variable.
176 (arm_mangle_type): Mangle va_list_type appropriately.
178 2009-02-20 Jakub Jelinek <jakub@redhat.com>
181 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
182 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
183 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
184 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
185 parameter to 1000 for -O1 by default.
186 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
188 * loop-invariant.c: Include params.h.
189 (move_loop_invariants): Don't call move_single_loop_invariants on
192 2009-02-20 Jaka Mocnik <jaka@xlab.si>
194 * calls.c (emit_library_call_value_1): Use slot_offset instead of
195 offset when calculating bounds for indexing stack_usage_map. Fixes
196 a buffer overflow with certain target setups.
198 2009-02-20 Jakub Jelinek <jakub@redhat.com>
201 * calls.c (expand_call): Clear try_tail_call if caller and callee
202 disagree in promotion of function return value.
204 2009-02-19 Jakub Jelinek <jakub@redhat.com>
207 * c-common.c (c_determine_visibility): If visibility changed and
208 DECL_RTL has been already set, call make_decl_rtl to update symbol
211 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
214 * varasm.c (assemble_variable): Don't check DECL_NAME when
215 globalizing a variable.
217 2009-02-19 Joseph Myers <joseph@codesourcery.com>
220 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
221 expression before any __builtin_trap call.
222 * c-typeck.c (build_function_call): Convert and check function
223 arguments before generating a call to a trap. Evaluate the
224 function arguments before the trap.
226 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
229 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
230 (UNSPEC_FXAM_MEM): New unspec.
231 (fxam<mode>2_i387_with_temp): New insn and split pattern.
232 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
233 memory using fxam<mode>2_i387_with_temp to remove excess precision.
235 2009-02-19 Richard Guenther <rguenther@suse.de>
237 PR tree-optimization/39207
238 PR tree-optimization/39074
239 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
240 storedanything_tree): New.
241 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
242 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
243 (build_succ_graph): Add edges from STOREDANYTHING to all
245 (init_base_vars): Initialize STOREDANYTHING.
246 (compute_points_to_sets): Free substitution info after
247 building the succ graph.
248 (ipa_pta_execute): Likewise.
250 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
252 (do_ds_constraint): Do not add to special var or non-pointer
254 (type_could_have_pointers): Split out from ...
255 (could_have_pointers): ... here. For arrays use the element type.
256 (create_variable_info_for): Initialize may_have_pointers.
257 (new_var_info): Likewise.
258 (handle_lhs_call): Make the HEAP variable unknown-sized.
259 (intra_create_variable_infos): Use a type with pointers for
260 PARM_NOALIAS, make it unknown-sized.
262 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
265 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
267 2009-02-18 Jason Merrill <jason@redhat.com>
270 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
271 value if DECL_EXTERNAL.
272 * tree-sra.c (sra_walk_gimple_assign): Likewise.
273 * target.h (gcc_target::binds_local_p): Clarify "module".
274 * tree.h (TREE_PUBLIC): Clarify "module".
276 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
279 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
280 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
282 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
285 * c.opt (Wabi): Support C and ObjC.
288 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
290 * config/i386/i386.c (classify_argument): Warn once about the ABI
291 change when passing union with long double.
293 * doc/invoke.texi: Update -Wabi for warning psABI changes.
295 2009-02-18 Joseph Myers <joseph@codesourcery.com>
298 * c-parser.c (c_parser_compound_statement): Always enter and leave
301 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
304 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
306 2009-02-18 Jakub Jelinek <jakub@redhat.com>
308 PR tree-optimization/36922
309 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
310 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
313 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
315 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
318 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
320 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
322 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
324 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
327 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
328 Richard Sandiford <rdsandiford@googlemail.com>
330 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
331 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
332 (loongson_biadd): ...this.
334 2009-02-17 Richard Guenther <rguenther@suse.de>
336 PR tree-optimization/39202
337 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
338 a var make sure to follow existing collapses.
340 2009-02-17 Richard Guenther <rguenther@suse.de>
343 * langhooks.c (lhd_print_error_function): Check for NULL block.
345 2009-02-17 Richard Guenther <rguenther@suse.de>
347 PR tree-optimization/39204
348 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
351 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
353 * config/soft-fp/double.h: Update from glibc CVS.
355 2009-02-17 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/39207
358 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
359 strict-aliasing warnings for pointers pointing to NULL.
361 2009-02-16 Joseph Myers <joseph@codesourcery.com>
364 * c-parser.c (c_parser_braced_init): Call pop_init_level when
365 skipping until next close brace.
367 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
370 * config/i386/i386.c (ix86_expand_push): Set memory alignment
371 to function argument boundary.
373 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
375 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
376 in the lea_add. Reload eventually constraints it properly.
377 * config/picochip/constraints.md : Remove the target constraint
378 "b", since it is not needed anymore.
380 2009-02-16 Jakub Jelinek <jakub@redhat.com>
382 * gthr-dce.h: Uglify function parameter and local variable names.
383 * gthr-gnat.h: Likewise.
384 * gthr-mipssde.h: Likewise.
385 * gthr-nks.h: Likewise.
386 * gthr-posix95.h: Likewise.
387 * gthr-posix.h: Likewise.
388 * gthr-rtems.h: Likewise.
389 * gthr-single.h: Likewise.
390 * gthr-solaris.h: Likewise.
391 * gthr-tpf.h: Likewise.
392 * gthr-vxworks.h: Likewise.
393 * gthr-win32.h: Likewise.
395 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
398 * config/i386/i386.md: Restrict the new peephole2 to move
399 between MMX/SSE registers.
401 2009-02-15 Richard Guenther <rguenther@suse.de>
404 2009-02-13 Richard Guenther <rguenther@suse.de>
406 * configure.ac: Enable LFS.
407 * configure: Re-generate.
408 * config.in: Likewise.
410 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
412 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
413 spu_srqwbyte, spu_srqwbytebc): Define.
414 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
415 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
416 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
417 "shrqby_<mode>"): New insn-and-split patterns.
418 * config/spu/spu.c (expand_builtin_args): Determine and return
419 number of operands using spu_builtin_description data.
420 (spu_expand_builtin_1): Use it.
422 2009-02-13 Steve Ellcey <sje@cup.hp.com>
425 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
428 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
431 * config/i386/i386.c (override_options): Correct warning
432 messages for -malign-loops, -malign-jumps and -malign-functions.
434 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
437 * config/i386/i386.md: Restrict the new peephole2 to move
438 between the general purpose registers.
440 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
443 * config/i386/i386.c (type_natural_mode): Add a new argument.
444 Return the original mode and warn ABI change if vector size is 32byte.
445 (function_arg_advance): Updated.
446 (function_arg): Likewise.
447 (ix86_function_value): Likewise.
448 (ix86_return_in_memory): Likewise.
449 (ix86_sol10_return_in_memory): Likewise.
450 (ix86_gimplify_va_arg): Likewise.
451 (function_arg_32): Don't warn ABX ABI change here.
452 (function_arg_64): Likewise.
454 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
456 * loop-iv.c (implies_p): In the final case, test that operands 0
457 of the two comparisons match.
459 * config/bfin/bfin.c (find_prev_insn_start): New function.
460 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
461 (find_next_insn_start): Move.
463 2009-02-13 Richard Guenther <rguenther@suse.de>
465 * configure.ac: Enable LFS.
466 * configure: Re-generate.
467 * config.in: Likewise.
469 2009-02-13 Joseph Myers <joseph@codesourcery.com>
472 * c-parser.c (c_parser_parms_list_declarator): Discard pending
473 sizes on syntax error after some arguments have been parsed.
475 2009-02-12 Jakub Jelinek <jakub@redhat.com>
477 * doc/invoke.texi (-fira): Remove.
479 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
481 * caller-save.c: Replace regclass.c with reginfo.c in comments.
485 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
487 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
488 (umul_ppmm): Likewise.
489 (count_leading_zeros): Likewise.
490 (count_trailing_zeros): Likewise.
491 (UMUL_TIME): Likewise.
493 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
495 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
496 soft-fp/t-softfp to tmake_file.
498 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
499 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
500 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
501 IA64_BUILTIN_INFQ]: New.
502 (ia64_init_builtins): Initialize __builtin_infq,
503 __builtin_fabsq and __builtin_copysignq if not HPUX.
504 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
505 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
507 * config/ia64/lib1funcs.asm (__divtf3): Define only if
509 (__fixtfti): Likewise.
510 (__fixunstfti): Likewise.
511 (__floattitf): Likewise.
513 * config/ia64/libgcc-glibc.ver: New.
514 * config/ia64/t-fprules-softfp: Likewise.
515 * config/ia64/sfp-machine.h: Likewise.
517 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
518 (LIBGCC2_TF_CEXT): Likewise.
520 (TARGET_INIT_LIBFUNCS): Likewise.
522 * config/ia64/t-glibc (SHLINB_MAPFILES):
523 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
525 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
527 * config/i386/i386.c (construct_container): Rewrite processing
528 BLKmode with X86_64_SSE_CLASS.
530 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
533 * config/i386/i386.md: Replace simplify_replace_rtx with
534 replace_rtx in the new peephole2.
536 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
538 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
539 loop unrolling do not happen at -O2.
541 2009-02-12 Michael Matz <matz@suse.de>
543 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
545 2009-02-12 Jakub Jelinek <jakub@redhat.com>
547 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
550 2009-02-12 Ben Elliston <bje@au.ibm.com>
552 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
553 patterns when updating the back chain. Missed in the 2009-02-10
556 2009-02-11 Janis Johnson <janis187@us.ibm.com>
558 * doc/extend.texi (Decimal Floating Types): Update identifier of
559 draft TR and list of missing support.
561 2009-02-11 Jakub Jelinek <jakub@redhat.com>
564 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
565 bit to variable length decl's flags, add it also to its
566 pointer replacement variable.
568 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
569 Jakub Jelinek <jakub@redhat.com>
572 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
573 (memory_blockage): New expander.
574 (*memory_blockage): New insn pattern.
575 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
576 instead of general blockage at the end of function prologue when
577 frame pointer is used to access red zone area. Do not emit blockage
578 when profiling, it is emitted in generic code.
579 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
580 function epilogue when frame pointer is used to access red zone area.
582 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
585 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
586 by arithmetic with memory operands.
587 * config/i386/predicates.md (commutative_operator): New.
589 2009-02-10 Janis Johnson <janis187@us.ibm.com>
591 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
594 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
596 * alias.h (record_alias_subset): Declare.
597 * alias.c (record_alias_subset): Make global.
599 2009-02-10 Nick Clifton <nickc@redhat.com>
601 * tree-parloops.c: Change license to GPLv3.
602 * ipa-struct-reorg.c: Change license to GPLv3.
603 * ipa-struct-reorg.h: Change license to GPLv3.
605 2009-02-10 Steve Ellcey <sje@cup.hp.com>
608 * c-decl.c (start_struct): Return NULL on error.
610 2009-02-10 Jakub Jelinek <jakub@redhat.com>
613 * cfgloopmanip.c (remove_path): Call remove_bbs after
614 cancel_loop_tree, not before it.
617 * function.h (struct function): Add has_local_explicit_reg_vars bit.
618 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
620 * tree-ssa-live.c (remove_unused_locals): Recompute
621 cfun->has_local_explicit_reg_vars.
622 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
623 copies or clearings if cfun->has_local_explicit_reg_vars.
625 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
628 * config/i386/i386.c (expand_prologue): Emit blockage at the end
629 of function prologue when frame pointer is used to access
632 2009-02-10 Richard Guenther <rguenther@suse.de>
635 * gimplify.c (gimple_regimplify_operands): Always look if
636 we need to create a temporary.
638 2009-02-10 Richard Guenther <rguenther@suse.de>
640 PR tree-optimization/39132
641 * tree-loop-distribution.c (todo): New global var.
642 (generate_memset_zero): Trigger TODO_rebuild_alias.
643 (tree_loop_distribution): Return todo.
645 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
648 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
649 (x86_64_reg_class_name): Removed.
650 (classify_argument): Return 0 if bytes > 32. Return 0 if the
651 first one isn't X86_64_SSE_CLASS or any other ones aren't
652 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
653 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
654 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
655 and 3 X86_64_SSEUP_CLASS.
656 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
657 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
659 2009-02-10 Ben Elliston <bje@au.ibm.com>
661 * config/rs6000/rs6000.md (allocate_stack): Always use an update
662 form instruction to update the stack back chain word, even if the
663 user has disabled the generation of update instructions.
664 (movdi_<mode>_update_stack): New.
665 (movsi_update_stack): Likewise.
666 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
667 always use an update form instruction to update the stack back
670 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
673 * graphite.c (if_region_set_false_region): After moving a region in
674 the false branch of a condition, remove the empty dummy basic block.
675 (gloog): Remove wrong fix for PR38953.
677 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
679 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
680 generation due to implicit sign extension.
682 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
685 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
686 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
688 2009-02-09 Richard Guenther <rguenther@suse.de>
691 * convert.c (convert_to_real): Disable (float)fn((double)x)
692 to fnf(x) conversion if errno differences may occur and
695 2009-02-07 Anatoly Sokolov <aesok@post.ru>
697 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
698 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
699 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
701 2009-02-06 Joseph Myers <joseph@codesourcery.com>
704 * c-common.c (handle_alias_attribute): Disallow attribute for
705 anything not a FUNCTION_DECL or VAR_DECL.
707 2009-02-06 Janis Johnson <janis187@us.ibm.com>
710 * real.c (do_compare): Special-case compare of zero against
713 2009-02-06 Joseph Myers <joseph@codesourcery.com>
716 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
717 as indicating flexible array members unless the field itself is
718 being declarared as the incomplete array.
720 2009-02-06 Jan Hubicka <jh@suse.cz>
722 PR tree-optimization/38844
723 * ipa-inline.c (try_inline): Stop inlining recursion when edge
726 2009-02-06 Richard Guenther <rguenther@suse.de>
729 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
730 fork because we may expand it as __gcov_fork.
732 2009-02-06 Nick Clifton <nickc@redhat.com>
734 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
736 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
738 PR tree-optimization/35659
739 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
740 vn_phi_eq): Shortcut if hashcode does not match.
741 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
743 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
744 and avoid iterative_hash_expr.
745 (FOR_EACH_VALUE_ID_IN_SET): New.
746 (value_id_compare): Remove.
747 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
748 sort expressions by value id.
750 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
753 * config/sh/predicates.md (general_movsrc_operand): Don't check
754 the subreg of system registers here.
756 2009-02-05 Jakub Jelinek <jakub@redhat.com>
759 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
762 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
764 PR rtl-optimization/39110
765 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
766 addresses, not aligned ones.
768 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
769 Richard Guenther <rguenther@suse.de>
771 PR tree-optimization/39100
772 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
773 comment says and add edges.
775 2009-02-05 Joseph Myers <joseph@codesourcery.com>
778 * c-common.c (handle_tls_model_attribute): Ignore attribute for
779 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
781 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
783 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
784 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
785 register_bb_in_sese, new_sese, free_sese): Moved.
786 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
787 outermost_loop_in_scop, build_scop_iteration_domain,
788 expand_scalar_variables_ssa_name, get_vdef_before_scop,
789 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
790 Use loop_in_sese_p instead of loop_in_scop_p.
791 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
792 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
793 (scopdet_basic_block_info): Fix bug in scop detection.
794 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
795 eq_loop_to_cloog_loop): Remove.
796 (nb_loops_around_loop_in_scop, nb_loop
797 ref_nb_loops): Moved here...
798 * graphite.h (ref_nb_loops): ... from here.
799 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
800 (loop_domain_dim, loop_iteration_vector_dim): Remove.
801 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
802 * testsuite/gcc.dg/graphite/scop-19.c: New
804 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
805 Hans-Peter Nilsson <hp@axis.com>
807 PR rtl-optimization/37889
808 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
809 Move offset handling from PLUS to before the switch. Use new
810 arguments when considering SYMBOL_REFs too.
811 (rtx_addr_can_trap_p): Pass dummy offset and size.
812 (enum may_trap_p_flags): Remove.
813 (may_trap_p_1): Pass size from MEM_SIZE.
815 PR rtl-optimization/38921
816 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
817 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
818 * rtlanal.c (may_trap_after_code_motion_p): Delete.
819 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
821 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
823 AVX Programming Reference (January, 2009)
824 * config/i386/sse.md (*vpclmulqdq): New.
826 2009-02-04 Jakub Jelinek <jakub@redhat.com>
828 PR tree-optimization/38977
829 PR gcov-profile/38292
830 * calls.c (special_function_p): Disregard __builtin_ prefix.
832 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
834 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
835 non-indexable addresses even before reload.
837 2009-02-03 Joseph Myers <joseph@codesourcery.com>
840 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
841 as having variable size. Do not give an error for unnamed
842 parameters with [*] declarators. Give a warning for type names
843 with [*] declarators and mark them as variable size.
844 * c-parser.c (c_parser_sizeof_expression): Do not give an error
845 for sizeof applied to [*] type names.
847 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
850 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
852 2009-02-03 Jakub Jelinek <jakub@redhat.com>
854 * gcc.c (process_command): Update copyright notice dates.
855 * gcov.c (print_version): Likewise.
856 * gcov-dump.c (print_version): Likewise.
857 * mips-tfile.c (main): Likewise.
858 * mips-tdump.c (main): Likewise.
860 2009-02-03 Joseph Myers <joseph@codesourcery.com>
863 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
864 for composite type involving a zero-length array type.
866 2009-02-03 Jakub Jelinek <jakub@redhat.com>
869 * function.c (match_asm_constraints_1): Skip over
870 initial optional % in the constraint.
873 * c-parser.c (c_parser_postfix_expression): If fixed point is not
874 supported, don't accept FIXED_CSTs.
875 * c-decl.c (finish_declspecs): Error if fixed point is not supported
876 and _Sat is used without _Fract/_Accum. Set specs->type to
877 integer_type_node for cts_fract/cts_accum if fixed point is not
880 2009-02-02 Catherine Moore <clm@codesourcery.com>
882 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
884 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
886 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
887 (ABI_HAS_64BIT_SYMBOLS): Use it.
888 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
890 2009-02-02 Paul Brook <paul@codesourcery.com>
892 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
894 2009-02-02 Jakub Jelinek <jakub@redhat.com>
897 * recog.h (asm_operand_ok): Add constraints argument.
898 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
899 recurse on matching constraint.
900 (check_asm_operands): Pass constraints as 3rd argument to
901 asm_operand_ok. Don't look up matching constraint here.
902 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
905 2009-02-02 Ben Elliston <bje@au.ibm.com>
907 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
908 TARGET_NARROW_VOLATILE_BITFIELD macro names.
910 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
912 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
913 information. Remove some obsolete information. Reorganize.
915 * config/pa/fptr.c: Revert license to GPL 2.
916 * config/pa/milli64.S: Likewise.
918 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
921 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
922 LIBRARY name in, instead of hard-coding it.
923 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
924 extra target make frag to tmake_files according to EH model.
925 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
926 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
927 frags that define makefile variable EH_MODEL appropriately.
928 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
929 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
930 to "-sjlj" according to type of EH configured.
931 (LIBGCC_SONAME): Concatenate it to shared library base name.
932 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
933 to "_sjlj" according to type of EH configured.
934 (LIBGCC_SONAME): Concatenate it to shared library base name.
935 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
936 (SHLIB_LINK): Add missing semicolon to if-else construct.
937 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
938 string value of "pe_dll" command-line option.
939 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
940 (SHLIB_SONAME): Use it when overriding t-cygming default.
941 (SHLIB_IMPLIB): Override t-cygming default.
942 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
943 string value of "pe_dll" command-line option.
945 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
948 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
949 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
951 2009-01-31 Richard Guenther <rguenther@suse.de>
953 PR tree-optimization/38937
954 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
955 computing the transitive closure.
957 2009-01-30 Richard Guenther <rguenther@suse.de>
959 PR tree-optimization/39041
960 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
961 Propagate variable indices only if the types match for this stmt.
963 2009-01-30 Jakub Jelinek <jakub@redhat.com>
966 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
967 inline but never defined.
969 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
971 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
972 (*insv_h_di_reg_extimm): New insn.
973 (*insv_l<mode>_reg_extimm): New insn.
975 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
977 * config/picochip/picochip.c (flag_conserve_stack): set
978 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
979 fconserve-stack. Reduce call-overhead used by inliner.
981 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
984 * common.opt (flag_conserve_stack): Initialised to zero.
986 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
989 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
990 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
993 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
995 * ira-color.c (allocno_reload_assign): Update comments.
996 * regmove.c (regmove_optimize): Likewise.
1000 2009-01-29 Robert Millan <rmh@aybabtu.com>
1002 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1003 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1004 `MD_UNWIND_SUPPORT'.
1005 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1007 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1009 PR tree-optimization/39007
1010 * tree-loop-distribution.c (generate_builtin): Use
1011 recompute_dominator to compute the immediate dominator of the
1012 basic block just after the loop.
1014 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1016 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1017 (ASM_OUTPUT_DWARF_PCREL): Define.
1019 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1021 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1022 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1023 global. Modify entries about regmove and IRA.
1025 * ra-conflict.c: Remove the file.
1027 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1029 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1030 (pass_regclass_init): Rename to pass_reginfo_init.
1032 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1034 * toplev.h (flag_ira): Remove.
1036 * caller-save.c (setup_save_areas): Remove flag_ira.
1038 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1040 * global.c: Remove the file.
1042 * opts.c: (decode_options): Remove flag_ira.
1044 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1046 * regmove.c: Modify file description.
1047 (find_use_as_address, try_auto_increment): Define them only if
1048 AUTO_INC_DEC is defined.
1049 (replacement_quality, replace_in_call_usage, fixup_match_1,
1050 stable_and_no_regs_but_for_p): Remove.
1051 (reg_set_in_bb): Make it static.
1052 (regmove_optimize): Remove flag_ira and code which worked for
1055 * local-alloc.c: Remove the file.
1057 * common.opt (fira): Remove.
1059 * ira.c: Include except.h.
1060 (eliminable_regset): Move from global.c.
1061 (mark_elimination): Ditto. Remove flag_ira.
1062 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1063 equiv_mem_modified, validate_equiv_mem_from_store,
1064 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1065 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1066 no_equiv, recorded_label_ref): Move from local-alloc.c.
1067 (update_equiv_regs): Ditto. Make it static.
1068 (print_insn_chain, print_insn_chains): Move it from global.c.
1069 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1070 (build_insn_chain): Ditto. Make it static.
1071 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1072 Rename to init_live_subregs.
1073 (gate_ira): Remove flag_ira.
1075 * regclass.c: Rename reginfo.c. Change file description.
1076 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1077 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1078 (init_reg_sets_1): Remove code for evaluation of
1079 reg_class_superclasses and losing_caller_save_reg_set.
1080 (init_regs): Remove init_reg_autoinc.
1081 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1082 ok_for_base_p_nonstrict): Remove.
1083 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1084 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1085 corresponding entries.
1086 (dump_regclass, record_operand_costs, scan_one_insn,
1087 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1088 record_address_regs, auto_inc_dec_reg_p): Remove.
1089 (gt-regclass.h): Rename to gt-reginfo.h.
1091 * rtl.h (dump_global_regs, retry_global_alloc,
1092 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1094 * Makefile.in (RA_H): Remove.
1095 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1096 Rename regclass.o to reginfo.o.
1097 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1099 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1100 (GTFILES): Rename regclass.c to reginfo.c.
1102 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1103 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1105 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1106 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1108 (finish_spills): Ditto. Remove code for !flag_ira.
1110 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1113 * doc/invoke.texi (rtl debug options): Complete rewrite.
1114 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1116 * mode-switching.c (pass_mode_switching): Rename pass from
1117 "mode-sw" to "mode_sw".
1118 * except.c (pass_convert_to_eh_ranges): Rename pass from
1119 "eh-ranges" to "eh_ranges".
1120 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1124 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1125 Alexander Monakov <amonakov@ispras.ru>
1128 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1130 (move_exprs_to_boundary): Change return type and pass through
1131 should_move from move_op. Relax assert. Update usage ...
1132 (schedule_expr_on_boundary): ... here. Use should_move instead of
1134 (move_op_orig_expr_found): Indicate that insn was disconnected from
1136 (code_motion_process_successors): Do not call after_merge_succs
1137 callback if original expression was not found when traversing any of
1139 (code_motion_path_driver): Change return type. Update prototype.
1140 (move_op): Update comment. Add a new parameter (should_move). Update
1141 prototype. Set *should_move based on indication provided by
1142 move_op_orig_expr_found.
1144 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1146 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1147 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1148 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1149 * config/rs6000/rs6000.c (rs6000_override_options): Default
1150 avoid-indexed-addresses on for Power6, off for everything else.
1151 (avoiding_indexed_address_p): New function.
1152 (rs6000_legitimize_address): Use it.
1153 (rs6000_legitimate_address): Likewise.
1154 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1156 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1158 PR tree-optimization/38997
1159 * tree-loop-distribution.c (generate_memset_zero): Use
1160 POINTER_PLUS_EXPR for a pointer addition.
1162 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1164 * config/s390/s390.md (bswap<mode>2): New pattern added.
1166 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1168 * config/s390/s390.md (*tls_load_31): Added type attribute.
1170 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1172 * config/s390/s390.md: Fix a few comments.
1174 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1176 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1177 (*tm<mode>_full): Fixed z10prop attribute.
1178 (*tst<mode>_extimm): Fixed z10prop attribute.
1179 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1180 (*tstqiCCT_cconly): Fixed z10prop attribute.
1181 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1182 (*movsi_larl): Fixed z10prop attribute.
1183 (*movsi_zarch): Fixed z10prop attribute.
1184 (*movsi_eas): Fixed z10prop attribute.
1185 (*movhi): Fixed z10prop attribute.
1186 (*movqi): Fixed z10prop attribute.
1187 (*movstrictqi): Fixed z10prop attribute.
1188 (*mov<mode>): Fixed z10prop attribute.
1189 (*movcc): Fixed z10prop attribute.
1190 (*sethighpartdi_64): Fixed z10prop attribute.
1191 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1192 (*negdi2_sign_cc): Fixed z10prop attribute.
1193 (*negdi2_sign): Fixed z10prop attribute.
1194 (*absdi2_sign_cc): Fixed z10prop attribute.
1195 (*absdi2_sign): Fixed z10prop attribute.
1196 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1197 (*negabsdi2_sign): Fixed z10prop attribute.
1198 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1199 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1200 (doloop_si64): Fixed z10prop attribute.
1201 (doloop_si31): Fixed z10prop attribute.
1202 (doloop_long): Fixed z10prop attribute.
1203 (indirect_jump): Fixed z10prop attribute.
1204 (nop): Fixed z10prop attribute.
1205 (main_base_64): Fixed z10prop attribute.
1206 (reload_base_64): Fixed z10prop attribute.
1208 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1210 PR rtl-optimization/38740
1211 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1213 * config/mips/mips.c (mips_reorg): Likewise.
1215 2009-01-28 Richard Guenther <rguenther@suse.de>
1217 PR tree-optimization/38926
1218 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1219 with the correct value id to a value.
1220 (do_regular_insertion): Use the value number of edoubleprime
1221 for the value number of the expr.
1224 2008-08-21 Richard Guenther <rguenther@suse.de>
1226 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1227 a PHI ask VN if it is already available.
1228 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1229 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1231 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1234 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1235 set to varying whenever max has TREE_OVERFLOW set, similarly
1236 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1238 2009-01-28 Richard Guenther <rguenther@suse.de>
1241 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1242 uninitialized aggregate uses in call arguments.
1244 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1246 PR tree-optimization/38984
1247 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1248 the nothing_id variable if -fno-delete-null-pointer-checks.
1250 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1253 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1254 (set_got_offset_rex64): Ditto.
1256 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1259 * doc/extend.texi: Improve local variable with asm reg.
1261 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1263 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1264 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1265 was not supplied then set warn_packed_bitfield_compat to the
1267 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1270 2009-01-27 Richard Guenther <rguenther@suse.de>
1272 PR tree-optimization/38503
1273 * cfgexpand.c (expand_gimple_basic_block): Ignore
1274 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1275 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1276 variables that cannot have TBAA applied.
1277 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1280 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1283 * calls.c (initialize_argument_information): Do not wrap complex
1284 arguments in SAVE_EXPR.
1286 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1288 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1289 (INSTALL_LIBGCC): Revert typo commit.
1291 2009-01-26 Richard Guenther <rguenther@suse.de>
1293 PR tree-optimization/38745
1294 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1295 from special handling.
1297 2009-01-26 Richard Guenther <rguenther@suse.de>
1299 PR tree-optimization/38745
1300 * tree-ssa.c (execute_update_addresses_taken): Do not include
1301 variables that cannot possibly be a register in not_reg_needs.
1302 Do not clear TREE_ADDRESSABLE on vars that may not become
1304 * tree-ssa.c (update_alias_info_1): Include those in the set
1305 of addressable vars.
1307 2009-01-26 Richard Guenther <rguenther@suse.de>
1310 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1311 * tree-ssa-dse.c: Include langhooks.h
1312 (execute_simple_dse): Remove stores with zero size.
1314 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1317 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1320 2009-01-24 Julian Brown <julian@codesourcery.com>
1322 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1323 config/arm/linux-atomic.c.
1324 * config/arm/linux-atomic.c: New.
1326 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1328 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1329 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1330 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1332 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1335 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1338 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1340 PR tree-optimization/38953
1341 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1342 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1343 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1344 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1347 2009-01-24 Paul Brook <paul@codesourcery.com>
1349 * config/arm/neon.md (neon_type): Move to arm.md.
1350 (neon_mov<VSTRUCT>): Add neon_type attribute.
1351 * config/arm/arm.md (neon_type): Move to here.
1352 (conds): Add "unconditioal" and use as default for NEON insns.
1354 2009-01-24 Ben Elliston <bje@au.ibm.com>
1356 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1357 void *' warning from -Wc++-compat.
1358 * Makefile.in (dominance.o-warn): Remove.
1360 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1362 PR tree-optimization/38932
1363 * fold-const.c (fold_unary_ignore_overflow): New.
1364 * tree.h (fold_unary_ignore_overflow): Declare.
1365 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1366 * tree-ssa-sccvn.c (visit_reference_op_load,
1367 simplify_unary_expression): Likewise.
1369 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1371 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1372 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1373 regardless of their type.
1374 * c-common.c (handle_packed_attribute): Don't ignore packed on
1376 * c.opt (Wpacked-bitfield-compat): New warning option.
1377 * stor-layout.c (place_field): Warn if offset of a field changed.
1378 * doc/extend.texi (packed): Mention the ABI change.
1379 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1380 (Warning Options): Add it to the list.
1382 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1384 * c-opts.c (c_common_post_options): Fix a typo in comments.
1386 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1389 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1390 variables to static.
1391 * doc/invoke.texi (-fmerge-all-constants): Update description.
1393 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1396 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1397 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1399 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1401 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1403 (LOCAL_ALIGNMENT): Similarly.
1405 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1406 Joseph Myers <joseph@codesourcery.com>
1408 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1409 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1410 * config/arm/arm-tune.md: Regenerate.
1411 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1414 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1416 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1417 version number to five.
1419 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1422 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1423 * c-common.c (set_underlying_type): Likewise.
1424 (is_typedef_decl ): Likewise
1426 (set_underlying_type): Likewise.
1427 (is_typedef_type): Likewise.
1429 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1432 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1435 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1438 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1439 (LIBGCC_SPEC): Don't define.
1440 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1442 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1444 PR rtl-optimization/38879
1445 * alias.c (base_alias_check): Unaligned access via AND address can
1446 alias all surrounding object types except those with sizes equal
1447 or wider than the size of unaligned access.
1449 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1452 * c-decl.c: (clone_underlying_type): Move this ...
1453 * c-common.c (set_underlying_type): ... here.
1454 Also, make sure the function properly sets TYPE_STUB_DECL() on
1455 the newly created typedef variant type.
1456 (is_typedef_decl ): New entry point.
1457 * tree.h: Added a new member member_types_needing_access_check to
1458 struct tree_decl_non_common.
1459 (set_underlying_type): New entry point.
1460 (is_typedef_type): Likewise.
1462 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1464 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1465 Check whether two instructions have memory references that
1466 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1467 are helper functions for traversing.
1468 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1469 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1470 not to draw dependency edge for instructions with non-conflicting
1473 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1476 * longlong.h: Update copyright years. Use soft-fp license notice.
1477 Sync __clz_tab declaration with glibc.
1479 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1482 * doc/extend.texi (syscall_linkage): New.
1483 (version_id): Modify.
1485 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1486 Richard Guenther <rguenther@suse.de>
1488 PR tree-optimization/38747
1489 PR tree-optimization/38748
1490 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1491 conversion if the base address is an indirect reference and the
1492 aliasing sets could cause issues.
1494 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1496 * common.opt (fgraphite, fgraphite-identity): Add comment for
1497 explaining why these options are not documented.
1499 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1501 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1502 gimple_call_lhs is NULL.
1504 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1507 * emit-rtl.c (adjust_address_1): Make sure memref is never
1510 2009-01-20 Ben Elliston <bje@au.ibm.com>
1512 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1513 const qualifier from arg parameter. Remove unnecessary cast to char *.
1514 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1515 const qualifier from arg 2.
1517 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1519 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1521 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1524 * rtl.h (reinit_regs): New prototype.
1525 * regclass.c: Include ira.h.
1527 * Makefile.in (regclass.o): Add ira.h.
1528 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1530 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1533 * c-common.c (handle_aligned_attribute): Use
1534 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1535 default alignment value.
1537 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1539 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1540 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1542 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1543 __BIGGEST_ALIGNMENT__.
1545 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1547 2009-01-18 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/38819
1550 * tree-flow.h (operation_could_trap_helper_p): Declare.
1551 * tree-eh.c (operation_could_trap_helper_p): Export.
1552 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1553 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1554 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1555 are about to insert a possibly trapping instruction and fail
1558 2009-01-18 Andreas Schwab <schwab@suse.de>
1560 * doc/install.texi (Configuration): Remove obsolete paragraph
1561 about use of --with-gnu-ld with --with-gnu-as.
1563 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1565 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1566 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1567 Follow spelling conventions.
1569 2009-01-18 Ben Elliston <bje@au.ibm.com>
1571 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1572 C++ warning about implicit conversion from void * to struct
1574 (bitmap_obstack_free): Likewise for bitmap_element *.
1575 * Makefile.in (bitmap.o-warn): Remove.
1577 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1579 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1581 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1582 Tobias Grosser <tobi.grosser@amd.com>
1584 * graphite.c (graphite_trans_scop_block): Do not block single
1587 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1589 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1590 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1591 test with assertion.
1593 2009-01-16 Richard Guenther <rguenther@suse.de>
1595 PR tree-optimization/38835
1597 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1598 and INT + PTR -> (INT)(PTR p+ INT) folding.
1599 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1601 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1604 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1605 the subreg from a lowpart subreg if it is also casting the value.
1607 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1608 Tobias Grosser <tobi.grosser@amd.com>
1610 * graphite.c (compare_prefix_loops): New.
1611 (build_scop_canonical_schedules): Rewritten.
1612 (graphite_transform_loops): Move build_scop_canonical_schedules
1613 after build_scop_iteration_domain.
1615 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1616 Tobias Grosser <tobi.grosser@amd.com>
1618 * graphite.c (add_conditions_to_domain): Add the loops to
1619 the dimension of the iteration domain. Do copy the domain
1620 only when it exists.
1621 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1622 (add_conditions_to_constraints): New.
1623 (can_generate_code_stmt, can_generate_code): Removed.
1624 (gloog): Do not call can_generate_code.
1625 (graphite_transform_loops): Call add_conditions_to_constraints
1626 after building the iteration domain.
1628 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1630 PR tree-optimization/38789
1631 * tree-ssa-threadedge.c
1632 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1633 __builtin_constant_p.
1635 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1637 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1638 examined before deleting them.
1640 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1642 * function.c (aggregate_value_p): Correctly extract the function
1643 type from CALL_EXPR_FN lookup.
1645 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1647 * config/picochip/picochip.c (picochip_override_options): Revert
1648 CFI asm flag disable commited previously.
1650 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1651 Tobias Grosser <tobi.grosser@amd.com>
1652 Jan Sjodin <jan.sjodin@amd.com>
1654 * graphite.c (scan_tree_for_params): On substractions negate
1655 all the coefficients of the term.
1656 (clast_to_gcc_expression_red): New. Handle reduction expressions
1657 of more than two operands.
1658 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1659 (get_vdef_before_scop): Handle also the case of default definitions.
1661 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1663 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1664 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1665 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1667 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1668 Joey Ye <joey.ye@intel.com>
1671 * cfgexpand.c (expand_stack_alignment): Don't update stack
1672 boundary nor check incoming stack boundary here.
1673 (gimple_expand_cfg): Update stack boundary and check incoming
1674 stack boundary here.
1676 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1678 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1680 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1682 PR rtl-optimization/38245
1683 * calls.c (expand_call): Add stack arguments to
1684 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1685 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1686 in regs and partially in memory or BLKmode arguments.
1687 (emit_library_call_value_1): Add stack arguments to
1688 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1689 ACCUMULATE_OUTGOING_ARGS).
1690 * dce.c: Include tm_p.h.
1691 (find_call_stack_args): New function.
1692 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1694 (mark_insn): Call find_call_stack_args for CALL_Ps.
1695 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1696 forwards. Allocate and free arg_stores bitmap if needed, pass it
1697 down to deletable_insn_p, don't mark stores set in arg_stores
1698 bitmap, clear the bitmap at the beginning of each bb.
1699 * Makefile.in (dce.o): Depend on $(TM_P_H).
1701 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1704 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1705 to make sure the insn is a conditional test (bug 22599). Reformat a
1708 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1711 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1712 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1713 (gloog): Do not call cleanup_tree_cfg.
1714 (graphite_transform_loops): Call cleanup_tree_cfg after all
1715 scops have been code generated.
1717 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1718 * doc/gty.texi (Invoking the garbage collector): Added new node
1719 and section documenting ggc_collect.
1721 2009-01-14 Richard Guenther <rguenther@suse.de>
1723 PR tree-optimization/38826
1725 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1726 initialization notes only if we actually emitted a warning.
1727 (intra_create_variable_infos): Add constraints for a result decl
1728 that is passed by hidden reference.
1729 (build_pred_graph): Mark all related variables non-direct on
1732 2009-01-14 Nick Clifton <nickc@redhat.com>
1734 * ira-conflicts.c: Include addresses.h for the definition of
1736 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1737 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1739 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1742 * Makefile.in (ira-lives.o): Add except.h.
1744 * ira-lives.c: Include except.h.
1745 (process_bb_node_lives): Process can_throw_internal.
1747 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1749 PR rtl-optimization/38774
1750 * combine.c (simplify_set): When undoing cc_use change, don't do
1751 PUT_CODE on the newly created comparison, but instead put back the
1754 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1756 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1757 values. Remove duplicate arm8 entry.
1759 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1761 PR tree-optimization/38786
1762 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1763 the SSA_NAME case of expand_scalar_variables_expr.
1764 Set the type of an expression to the type of its assign statement.
1765 (expand_scalar_variables_expr): Also gather the scalar computation
1766 used to index the memory access. Do not pass loop_p.
1767 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1768 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1769 the gimple_stmt_iterator where it inserts new code.
1771 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1772 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1774 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1776 * graphite.h (debug_value): Removed.
1777 * graphite.c (debug_value): Removed.
1779 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1781 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1782 ldrd/strd with two 32-bit instructions.
1784 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1786 * config/arm/arm.c (struct processors): Pass for speed down into
1787 cost helper functions.
1788 (const_ok_for_op): Handle COMPARE and inequality nodes.
1789 (arm_rtx_costs_1): Rewrite.
1790 (arm_size_rtx_costs): Update prototype.
1791 (arm_rtx_costs): Pass speed down to helper functions.
1792 (arm_slowmul_rtx_costs): Rework cost calculations.
1793 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1794 (arm_9e_rtx_costs): Likewise.
1796 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1798 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1799 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1800 (alpha_legitimize_address): Do not split local symbols wider than
1801 UNITS_PER_WORD into HIGH/LO_SUM parts.
1803 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1806 * gcc.c (process_command): Replace call to execvp with calls
1807 to pex_one and exit.
1809 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1812 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1813 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1814 variant for devices with 3-byte PC.
1815 (__tablejump_elpm__) : New.
1817 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1820 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1821 offsetof member-designator, handle it as `[0].'.
1823 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1825 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1826 function when not using named sections on targets with named sections
1827 if branch distance is less than 262132.
1829 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1831 * combine.c (combine_instructions): Recompute
1832 optimize_this_for_speed_p for each BB in the main combine loop.
1834 2009-01-12 Tomas Bily <tbily@suse.cz>
1837 * tree-loop-distribution.c (prop_phis): New function.
1838 (generate_builtin): Call prop_phis.
1839 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1841 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1843 PR tree-optimization/38807
1844 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1845 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1847 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1849 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1850 subreg of op0 to the original op0.
1852 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1854 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1856 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1859 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1860 starting with digits.
1862 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1865 * config/arm/arm.c (arm_is_long_call_p): Don't call
1866 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1868 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1870 * regrename.c (regrename_optimize): Fix dumping.
1871 (find_oldest_value_reg): Preserve REG_POINTER.
1872 (copy_hardreg_forward_1): Likewise.
1874 2009-01-09 Diego Novillo <dnovillo@google.com>
1876 * gimple.h (struct gimple_statement_base) <uid>: Document
1877 the restrictions on its use.
1879 (gimple_set_uid): Tidy.
1881 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1883 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1884 zero guard even if align_bytes != 0 and count is smaller than
1887 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
1889 PR rtl-optimization/38495
1890 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1891 (add_range_and_copies_from_move_list): Print all added ranges.
1892 Add ranges to memory optimized destination.
1894 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1898 * config/i386/i386.c (override_options): Reject
1899 -mstringop-strategy=rep_8byte with -m32.
1900 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1901 to 1. Do count comparison against epilogue_size_needed at compile
1902 time even when count_exp was constant forced into register. For
1903 size_needed don't jump to epilogue, instead just avoid aligning
1904 and invoke the body algorithm. If need_zero_guard, add zero guard
1905 even if count is non-zero, but smaller than size_needed + number of
1906 bytes that could be stored for alignment.
1907 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1908 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1909 but smaller than size_needed + number of bytes that could be stored
1910 for alignment. Compare size_needed with epilogue_size_needed instead
1911 of desired_align - align, don't adjust size_needed, pass
1912 epilogue_size_needed to the epilogue expanders.
1915 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1917 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1919 * pa.c (last_address): Change to unsigned.
1920 (update_total_code_bytes): Change argument to unsigned. Don't
1921 check if insn addresses are set.
1922 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1923 addresses are not set.
1924 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1926 2009-01-09 Nick Clifton <nickc@redhat.com>
1928 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1929 DECL_DECLARED_INLINE_P.
1931 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1934 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1935 GET_MODE (op0) in operand_subword_force calls.
1938 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1939 fold_convert arg0 operands to TREE_TYPE (op0) first.
1941 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1943 * params.def (ira-max-conflict-table-size): Decrease default value
1946 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1948 PR tree-optimization/37031
1949 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1951 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1952 allocate it using gc instead of heap, use VEC_quick_push instead of
1954 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1955 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1956 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1957 allocated vector from heap allocated.
1958 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1959 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1960 vector only after perfect_loop_nest_depth call.
1962 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1963 Jan Sjodin <jan.sjodin@amd.com>
1965 PR tree-optimization/38559
1966 * graphite.c (debug_value, copy_constraint,
1967 swap_constraint_variables, scale_constraint_variable, ): New.
1968 (get_lower_bound, get_upper_bound): Removed.
1969 (graphite_trans_bb_strip_mine): Clean up this code that works
1970 only for constant number of iterations. Fully copy upper and
1971 lower bound constraints, not only the constant part of them.
1972 * graphite.h (debug_value): Declared.
1974 2009-01-08 Ira Rosen <irar@il.ibm.com>
1976 PR tree-optimization/37194
1977 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1978 Don't add the cost of cost model guard in prologue to scalar
1979 outside cost in case of known number of iterations.
1981 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1982 Alan Modra <amodra@bigpond.net.au>
1984 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1985 non-word-aligned REG+CONST addressing.
1987 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1990 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1991 free_after_compilation when outputting a thunk.
1992 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1993 Do not call free_after_compilation here.
1995 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1997 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1998 (ix86_valid_target_attribute_inner_p): Ditto.
2000 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2002 PR tree-optimization/38492
2003 PR tree-optimization/38498
2004 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2005 * tree-chrec.h (scev_is_linear_expression): Declared.
2006 * graphite.c (graphite_cannot_represent_loop_niter): New.
2007 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2008 (graphite_loop_normal_form): Use gcc_assert.
2009 (scan_tree_for_params): Use CASE_CONVERT.
2010 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2011 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2012 Use gcc_assert. Discard scops that contain unhandled cases.
2013 (build_scop_conditions): Return a boolean status for unhandled cases.
2014 (strip_mine_profitable_p): Print the loop number, not its depth.
2015 (is_interchange_valid): Pass the depth of the loop nest, don't
2016 recompute it wrongly.
2017 (graphite_trans_bb_block): Same.
2018 (graphite_trans_bb_block): Print tentative of loop blocking.
2019 (graphite_trans_scop_block): Do not print that the loop has been
2021 (graphite_transform_loops): Do not handle scops that contain condition
2024 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2026 AVX Programming Reference (December, 2008)
2027 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2028 (_mm256_stream_pd): Likewise.
2029 (_mm256_stream_ps): Likewise.
2031 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2032 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2033 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2034 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2035 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2036 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2037 (ix86_expand_special_args_builtin): Likewise.
2039 * config/i386/sse.md (AVXMODEDI): New.
2040 (avx_movnt<mode>): Likewise.
2041 (avx_movnt<mode>): Likewise.
2042 (<sse>_movnt<mode>): Remove AVX support.
2043 (sse2_movntv2di): Likewise.
2045 2009-01-07 Richard Guenther <rguenther@suse.de>
2048 * fold-const.c (extract_muldiv): Remove obsolete comment.
2049 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2050 to PLUS_EXPR canonicalization for the canonicalization.
2052 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2054 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2055 hosted cross-compilers generating less efficient code.
2057 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2059 * function.h (rtl_data): Add a dbr_scheduled_p field.
2060 * reorg.c (dbr_schedule): Set it.
2061 (gate_handle_delay_slots): Check it.
2062 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2063 (mips_reorg): Check flag_delayed_branch instead of
2064 mips_base_delayed_branch.
2065 (mips_override_options): Don't set mips_base_delayed_branch
2066 or flag_delayed_branch.
2068 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2070 PR rtl-optimization/38426.
2071 * ira.c (ira): Set current_function_is_leaf earlier.
2073 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2075 PR rtl-optimization/38722
2076 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2077 too early, only set a flag and modify after last possible
2080 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2083 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2084 * real.c (decimal_single_format): Correct values of emin and emax.
2085 (decimal_double_format): Ditto.
2086 (decimal_quad_format): Ditto.
2087 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2088 computation of DECnn_MIN and DECnn_MAX for corrected values of
2089 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2090 __DECnn_MIN__, and adjust its computation for the corrected value
2093 2009-01-06 Jan Hubicka <jh@suse.cz>
2096 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2098 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2100 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2101 Add Robert Clark to the list of testers.
2103 2009-01-06 Jan Hubicka <jh@suse.cz>
2104 Kai Tietz <kai.tietz@onevision.com>
2106 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2107 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2109 2009-01-06 Jan Hubicka <jh@suse.cz>
2110 Kai Tietz <kai.tietz@onevision.com>
2112 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2114 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2115 (ix86_nsaved_regs): Count only general purpose regs.
2116 (ix86_nsaved_sseregs): New.
2117 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2118 to 16 for w64; compute padding and size of sse reg save area.
2119 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2120 general purpose regs.
2121 (ix86_emit_save_sse_regs_using_mov): New.
2122 (ix86_expand_prologue): Save SSE regs if needed.
2123 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2124 (ix86_emit_restore_sse_regs_using_mov): New.
2125 (ix86_expand_epilogue): Save SSE regs if needed.
2127 2009-01-06 Jan Hubicka <jh@suse.cz>
2128 Kai Tietz <kai.tietz@onevision.com>
2130 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2131 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2132 functions when accumulate outgoing args is off.
2134 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2137 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2138 before using pseudos_have_intersected_live_ranges_p.
2140 * ira-int.h (ira_assert): Always define.
2142 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2144 AVX Programming Reference (December, 2008)
2145 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2146 (_mm256_permute2_pd): Likewise.
2147 (_mm_permute2_ps): Likewise.
2148 (_mm256_permute2_ps): Likewise.
2149 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2150 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2152 * config/i386/i386.c (ix86_builtins): Remove
2153 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2154 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2155 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2156 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2157 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2158 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2159 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2160 __builtin_ia32_vpermil2ps256.
2161 (ix86_init_mmx_sse_builtins): Updated.
2162 (ix86_expand_args_builtin): Likewise.
2164 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2166 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2167 long absolute calls when generating PA 2.0 code.
2169 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2171 PR rtl-optimization/38583
2172 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2174 * params.def (ira-max-conflict-table-size): New.
2176 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2178 * ira.h (ira_conflicts_p): New external definition.
2180 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2181 table. Report this. Return result of building.
2182 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2183 building conflict table.
2185 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2186 (ira_color): Use ira_conflicts_p.
2188 * global.c: Include ira.h.
2189 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2192 * Makefile.in (global.o): Add ira.h.
2194 * ira-build.c (mark_all_loops_for_removal,
2195 propagate_some_info_from_allocno): New.
2196 (remove_unnecessary_allocnos): Call
2197 propagate_some_info_from_allocno.
2198 (remove_low_level_allocnos): New.
2199 (remove_unnecessary_regions): Add parameter. Call
2200 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2201 parameter to remove_unnecessary_regions.
2202 (ira_build): Remove all regions but root if the conflict table was
2203 not built. Update conflict hard regs for allocnos crossing calls.
2205 * ira.c (ira_conflicts_p): New global.
2206 (ira): Define and use ira_conflicts_p.
2208 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2209 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2210 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2212 2009-01-06 Ben Elliston <bje@au.ibm.com>
2214 * gengtype-lex.l (YY_NO_INPUT): Define.
2216 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2219 * c-common.c (handle_vector_size_attribute): Also reject
2222 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2224 PR tree-optimization/38492
2225 * graphite.c (rename_map_elt, debug_rename_elt,
2226 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2227 rename_map_elt_info, eq_rename_map_elts,
2228 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2229 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2230 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2231 (sese_build_livein_liveouts): New.
2232 (new_sese, free_sese): New.
2233 (new_scop): Call new_sese.
2234 (free_scop): Call free_sese.
2235 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2236 (register_old_new_names): Renamed register_old_and_new_names.
2237 (register_scop_liveout_renames, add_loop_exit_phis,
2238 insert_loop_close_phis, struct igp,
2239 default_liveout_before_guard, add_guard_exit_phis,
2240 insert_guard_phis, copy_renames): New.
2241 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2242 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2243 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2244 (scop_adjust_phis_for_liveouts): New.
2245 (gloog): Call scop_adjust_phis_for_liveouts.
2247 * graphite.h (struct sese): Documented. Added fields liveout,
2249 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2250 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2251 (struct scop): Added field liveout_renames.
2252 (SCOP_LIVEOUT_RENAMES): New.
2254 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2256 PR tree-optimization/38510
2257 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2258 (translate_clast): Call recompute_all_dominators before
2260 (gloog): Call recompute_all_dominators before graphite_verify.
2262 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2263 Jan Sjodin <jan.sjodin@amd.com>
2265 PR tree-optimization/38500
2266 * graphite.c (create_sese_edges): Call fix_loop_structure after
2269 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2271 * config.gcc: Add m32r*-*-rtems*.
2272 * config/m32r/rtems.h: New file.
2274 2009-01-05 Ben Elliston <bje@au.ibm.com>
2276 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2277 (.po.pox): Likewise.
2278 (po/gcc.pot): Likewise.
2280 2009-01-04 David S. Miller <davem@davemloft.net>
2282 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2283 (STARTING_FRAME_OFFSET): Always set to zero.
2285 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2287 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2288 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2289 fixed-point types, and vectors of the same.
2291 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2293 * config/mips/sync.md (*mb_barrier): Rename to...
2294 (*memory_barrier): ...this.
2296 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2298 * doc/extend.texi (Function Attributes): Move @cindex after @item
2299 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2300 and put in alphabetical order. Fix 'target' name and put in order.
2301 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2304 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2306 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2307 (memory_barrier): Expand as unspec instead of unspec_volatile.
2308 Remove mem:BLK from insn operands. Use Pmode scratch register.
2309 (*memory_barrier): Define as unspec instead of unspec_volatile.
2310 Use (match_dup 0) as input operand.
2312 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2313 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2314 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2315 scratch register. Remove operand 1.
2316 (*stbar): Define as unspec instead of unspec_volatile.
2317 Use (match_dup 0) as input operand, remove (const_int 8).
2318 (*membar): Define as unspec instead of unspec_volatile.
2319 Use (match_dup 0) as input operand, remove input operand 2.
2321 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2322 (memory_barrier): Expand as unspec instead of unspec_volatile.
2323 Remove mem:BLK from insn operands. Use Pmode scratch register.
2324 (*memory_barrier): Define as unspec instead of unspec_volatile.
2325 Use (match_dup 0) as input operand.
2327 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2328 Remove mem:BLK from insn operands. Use Pmode scratch register.
2329 Set volatile flag on operand 0.
2330 (*memory_barrier): New insn pattern.
2332 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2334 (*memory_barrier): Use (match_dup 0) as input operand.
2336 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2337 Remove mem:BLK from insn operands. Use Pmode scratch register.
2338 Set volatile flag on operand 0.
2339 (*mb_internal): New insn pattern.
2341 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2343 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2346 * function.c (struct temp_slot): Move to the section of the file
2347 that deals with temp slots. Remove field 'address'.
2348 (temp_slot_address_table): New hash table of address -> temp slot.
2349 (struct temp_slot_address_entry): New struct, items for the table.
2350 (temp_slot_address_compute_hash, temp_slot_address_hash,
2351 temp_slot_address_eq, insert_temp_slot_address): Support functions
2353 (find_temp_slot_from_address): Rewrite to use the new hash table.
2354 (remove_unused_temp_slot_addresses): Remove addresses of temp
2355 slots that have been made available.
2356 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2357 worker function for remove_unused_temp_slot_addresses.
2358 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2359 Add the temp slot address to the address -> temp slot map.
2360 (update_temp_slot_address): Update via insert_temp_slot_address.
2361 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2362 (pop_temp_slots): Likewise.
2363 (init_temp_slots): Allocate the address -> temp slot map, or empty
2364 the map if it is already allocated.
2365 (prepare_function_start): Initialize temp slot processing.
2367 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2370 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2371 Calculate the size of all stack vars assuming no packing of stack
2372 vars will happen, replacing a quadratic algorithm with a linear one.
2374 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2377 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2380 2009-01-03 Diego Novillo <dnovillo@google.com>
2382 * doc/contrib.texi: Update contributions.
2384 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2387 * builtins.c (fold_builtin_memory_op): Give up if either operand
2388 is volatile. Set srctype or desttype to non-qualified version
2392 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2395 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2397 PR rtl-optimization/35805
2398 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2399 problem if fast dce is able to remove any instructions.
2400 * dce.c (dce_process_block): Fix dump message.
2402 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2405 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2407 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2410 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2411 * tree-pretty-print.c (op_code_prio): New function.
2412 (op_prio): No longer static. Use op_code_prio.
2413 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2414 Use op_prio and op_code_prio to determine if () should be
2415 printed around operand(s) or not.
2417 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2418 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2419 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2420 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2421 pp_character instead of pp_string for single letter printing.
2423 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2425 * doc/extend.texi: Fix '#pragma GCC option' typo.
2427 2009-01-02 Richard Guenther <rguenther@suse.de>
2429 * doc/install.texi (--enable-checking): Mention different
2431 (--enable-stage1-checking): Document.
2433 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2436 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2437 case to be an error.
2439 2009-01-02 Ben Elliston <bje@au.ibm.com>
2441 * config/fp-bit.h (pack_d): Constify argument.
2442 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2443 (isnan): Constify argument.
2447 (_fpadd_parts): Constify return type.
2448 (_fpmul_parts): Likewise.
2449 (_fpdiv_parts): Likewise.
2451 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2454 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2455 warn about overwriting initializer with side-effects or
2456 -Woverride-init if !IMPLICIT.
2457 (output_init_element): Likewise. Pass IMPLICIT down to
2459 (process_init_element): Add IMPLICIT argument. Pass it down
2460 to output_init_element.
2461 (push_init_element, pop_init_level, set_designator): Adjust
2462 process_init_element callers.
2463 (set_nonincremental_init, set_nonincremental_init_from_string):
2464 Adjust add_pending_init callers.
2465 (output_pending_init_elements): Adjust output_init_element callers.
2466 * c-tree.h (process_init_element): Adjust prototype.
2467 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2468 process_init_element callers.