1 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
5 (find_cond_jump): New function.
6 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
7 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
9 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
11 * config/alpha/alpha.h (alpha_expand_mov): Return false if
12 force_const_mem returns NULL_RTX.
14 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
16 PR rtl-optimization/39241
17 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
18 to subreg_offset_representable_p.
20 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
22 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
23 execute function prototype. Get f and nregs from max_reg_num
24 and get_insns. Remove the first backward pass as it's dead,
25 guard the forward pass by flag_expensive_optimizations.
26 (rest_of_handle_regmove): Delete.
27 (pass_regmove): Replace it with regmove_optimize.
29 2009-02-25 Martin Jambor <mjambor@suse.cz>
31 PR tree-optimization/39259
32 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
33 alls_alloca function flags.
34 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
37 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
39 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
40 flags_set_1_rtx, flags_set_1_set): Delete.
41 (regmove_optimize): Do not call mark_flags_life_zones.
43 2009-02-24 Julian Brown <julian@codesourcery.com>
46 * config/arm/arm.c (require_pic_register): Only set
47 cfun->machine->pic_reg once per function.
49 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
51 * doc/invoke.texi (Link Options): Document an easier way to pass
52 options that take arguments to the GNU linker using -Xlinker and -Wl.
54 2009-02-24 Steve Ellcey <sje@cup.hp.com>
57 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
59 2009-02-24 Richard Guenther <rguenther@suse.de>
62 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
64 2009-02-24 Richard Guenther <rguenther@suse.de>
65 Zdenek Dvorak <ook@ucw.cz>
67 PR tree-optimization/39233
68 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
69 from converting them to a generic type.
71 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
73 PR tree-optimization/39260
74 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
75 contains a condition with a real type.
76 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
78 2009-02-23 Jason Merrill <jason@redhat.com>
81 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
82 narrowing_initializer_constant_valid_p.
83 (narrowing_initializer_constant_valid_p): Don't return
84 null_pointer_node for adding a pointer to itself.
86 2009-02-23 Jan Hubicka <jh@suse.cz>
89 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
92 2009-02-23 Jan Hubicka <jh@suse.cz>
94 PR tree-optimization/37709
95 * tree.c (block_ultimate_origin): Move here from dwarf2out.
96 * tree.h (block_ultimate_origin): Declare.
97 * dwarf2out.c (block_ultimate_origin): Move to tree.c
98 * tree-ssa-live.c (remove_unused_scope_block_p):
99 Eliminate blocks containig no instructions nor live variables nor
101 (dump_scope_block): New function.
102 (remove_unused_locals): Enable removal of dead blocks by default;
103 enable dumping at TDF_DETAILS.
105 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
107 * config/i386/i386.c (classify_argument): Don't allow COImode
109 (function_arg_advance_32): Don't allow OImode.
110 (function_arg_32): Likewise.
111 (function_value_32): Likewise.
112 (return_in_memory_32): Likewise.
113 (function_arg_64): Remove OImode comment.
115 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
118 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
119 ix86_expand_vector_set for V4DImode in 64bit mode only.
120 (ix86_expand_vector_init_one_var): Likewise.
122 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
124 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
126 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
129 * loop-iv.c: Revert last change.
130 * emit-rtl.c: Likewise.
132 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
135 * config/i386/i386.c (type_natural_mode): Remove an extra
136 space in the warning message.
137 (function_value_32): Handle 32-byte vector modes.
138 (return_in_memory_32): Likewise.
140 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
142 * loop-iv.c (truncate_value): New function.
143 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
145 (lowpart_subreg): Move to...
146 * emit-rtl.c: ...here.
148 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
150 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
151 accidental and undocumented change at revision 140860.
153 2009-02-21 Joseph Myers <joseph@codesourcery.com>
155 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
156 take gimple_seq * arguments.
157 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
158 types_compatible_p langhook.
160 2009-02-20 Mark Mitchell <mark@codesourcery.com>
161 Joseph Myers <joseph@codesourcery.com>
163 * config/arm/arm.c (arm_builtin_va_list): New function.
164 (arm_expand_builtin_va_start): Likewise.
165 (arm_gimplify_va_arg_expr): Likewise.
166 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
167 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
168 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
169 (va_list_type): New variable.
170 (arm_mangle_type): Mangle va_list_type appropriately.
172 2009-02-20 Jakub Jelinek <jakub@redhat.com>
175 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
176 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
177 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
178 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
179 parameter to 1000 for -O1 by default.
180 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
182 * loop-invariant.c: Include params.h.
183 (move_loop_invariants): Don't call move_single_loop_invariants on
186 2009-02-20 Jaka Mocnik <jaka@xlab.si>
188 * calls.c (emit_library_call_value_1): Use slot_offset instead of
189 offset when calculating bounds for indexing stack_usage_map. Fixes
190 a buffer overflow with certain target setups.
192 2009-02-20 Jakub Jelinek <jakub@redhat.com>
195 * calls.c (expand_call): Clear try_tail_call if caller and callee
196 disagree in promotion of function return value.
198 2009-02-19 Jakub Jelinek <jakub@redhat.com>
201 * c-common.c (c_determine_visibility): If visibility changed and
202 DECL_RTL has been already set, call make_decl_rtl to update symbol
205 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
208 * varasm.c (assemble_variable): Don't check DECL_NAME when
209 globalizing a variable.
211 2009-02-19 Joseph Myers <joseph@codesourcery.com>
214 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
215 expression before any __builtin_trap call.
216 * c-typeck.c (build_function_call): Convert and check function
217 arguments before generating a call to a trap. Evaluate the
218 function arguments before the trap.
220 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
223 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
224 (UNSPEC_FXAM_MEM): New unspec.
225 (fxam<mode>2_i387_with_temp): New insn and split pattern.
226 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
227 memory using fxam<mode>2_i387_with_temp to remove excess precision.
229 2009-02-19 Richard Guenther <rguenther@suse.de>
231 PR tree-optimization/39207
232 PR tree-optimization/39074
233 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
234 storedanything_tree): New.
235 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
236 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
237 (build_succ_graph): Add edges from STOREDANYTHING to all
239 (init_base_vars): Initialize STOREDANYTHING.
240 (compute_points_to_sets): Free substitution info after
241 building the succ graph.
242 (ipa_pta_execute): Likewise.
244 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
246 (do_ds_constraint): Do not add to special var or non-pointer
248 (type_could_have_pointers): Split out from ...
249 (could_have_pointers): ... here. For arrays use the element type.
250 (create_variable_info_for): Initialize may_have_pointers.
251 (new_var_info): Likewise.
252 (handle_lhs_call): Make the HEAP variable unknown-sized.
253 (intra_create_variable_infos): Use a type with pointers for
254 PARM_NOALIAS, make it unknown-sized.
256 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
259 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
261 2009-02-18 Jason Merrill <jason@redhat.com>
264 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
265 value if DECL_EXTERNAL.
266 * tree-sra.c (sra_walk_gimple_assign): Likewise.
267 * target.h (gcc_target::binds_local_p): Clarify "module".
268 * tree.h (TREE_PUBLIC): Clarify "module".
270 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
273 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
274 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
276 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
279 * c.opt (Wabi): Support C and ObjC.
282 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
284 * config/i386/i386.c (classify_argument): Warn once about the ABI
285 change when passing union with long double.
287 * doc/invoke.texi: Update -Wabi for warning psABI changes.
289 2009-02-18 Joseph Myers <joseph@codesourcery.com>
292 * c-parser.c (c_parser_compound_statement): Always enter and leave
295 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
298 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
300 2009-02-18 Jakub Jelinek <jakub@redhat.com>
302 PR tree-optimization/36922
303 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
304 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
307 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
309 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
312 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
314 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
316 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
318 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
321 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
322 Richard Sandiford <rdsandiford@googlemail.com>
324 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
325 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
326 (loongson_biadd): ...this.
328 2009-02-17 Richard Guenther <rguenther@suse.de>
330 PR tree-optimization/39202
331 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
332 a var make sure to follow existing collapses.
334 2009-02-17 Richard Guenther <rguenther@suse.de>
337 * langhooks.c (lhd_print_error_function): Check for NULL block.
339 2009-02-17 Richard Guenther <rguenther@suse.de>
341 PR tree-optimization/39204
342 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
345 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
347 * config/soft-fp/double.h: Update from glibc CVS.
349 2009-02-17 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/39207
352 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
353 strict-aliasing warnings for pointers pointing to NULL.
355 2009-02-16 Joseph Myers <joseph@codesourcery.com>
358 * c-parser.c (c_parser_braced_init): Call pop_init_level when
359 skipping until next close brace.
361 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
364 * config/i386/i386.c (ix86_expand_push): Set memory alignment
365 to function argument boundary.
367 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
369 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
370 in the lea_add. Reload eventually constraints it properly.
371 * config/picochip/constraints.md : Remove the target constraint
372 "b", since it is not needed anymore.
374 2009-02-16 Jakub Jelinek <jakub@redhat.com>
376 * gthr-dce.h: Uglify function parameter and local variable names.
377 * gthr-gnat.h: Likewise.
378 * gthr-mipssde.h: Likewise.
379 * gthr-nks.h: Likewise.
380 * gthr-posix95.h: Likewise.
381 * gthr-posix.h: Likewise.
382 * gthr-rtems.h: Likewise.
383 * gthr-single.h: Likewise.
384 * gthr-solaris.h: Likewise.
385 * gthr-tpf.h: Likewise.
386 * gthr-vxworks.h: Likewise.
387 * gthr-win32.h: Likewise.
389 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
392 * config/i386/i386.md: Restrict the new peephole2 to move
393 between MMX/SSE registers.
395 2009-02-15 Richard Guenther <rguenther@suse.de>
398 2009-02-13 Richard Guenther <rguenther@suse.de>
400 * configure.ac: Enable LFS.
401 * configure: Re-generate.
402 * config.in: Likewise.
404 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
406 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
407 spu_srqwbyte, spu_srqwbytebc): Define.
408 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
409 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
410 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
411 "shrqby_<mode>"): New insn-and-split patterns.
412 * config/spu/spu.c (expand_builtin_args): Determine and return
413 number of operands using spu_builtin_description data.
414 (spu_expand_builtin_1): Use it.
416 2009-02-13 Steve Ellcey <sje@cup.hp.com>
419 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
422 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
425 * config/i386/i386.c (override_options): Correct warning
426 messages for -malign-loops, -malign-jumps and -malign-functions.
428 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
431 * config/i386/i386.md: Restrict the new peephole2 to move
432 between the general purpose registers.
434 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
437 * config/i386/i386.c (type_natural_mode): Add a new argument.
438 Return the original mode and warn ABI change if vector size is 32byte.
439 (function_arg_advance): Updated.
440 (function_arg): Likewise.
441 (ix86_function_value): Likewise.
442 (ix86_return_in_memory): Likewise.
443 (ix86_sol10_return_in_memory): Likewise.
444 (ix86_gimplify_va_arg): Likewise.
445 (function_arg_32): Don't warn ABX ABI change here.
446 (function_arg_64): Likewise.
448 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
450 * loop-iv.c (implies_p): In the final case, test that operands 0
451 of the two comparisons match.
453 * config/bfin/bfin.c (find_prev_insn_start): New function.
454 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
455 (find_next_insn_start): Move.
457 2009-02-13 Richard Guenther <rguenther@suse.de>
459 * configure.ac: Enable LFS.
460 * configure: Re-generate.
461 * config.in: Likewise.
463 2009-02-13 Joseph Myers <joseph@codesourcery.com>
466 * c-parser.c (c_parser_parms_list_declarator): Discard pending
467 sizes on syntax error after some arguments have been parsed.
469 2009-02-12 Jakub Jelinek <jakub@redhat.com>
471 * doc/invoke.texi (-fira): Remove.
473 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
475 * caller-save.c: Replace regclass.c with reginfo.c in comments.
479 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
481 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
482 (umul_ppmm): Likewise.
483 (count_leading_zeros): Likewise.
484 (count_trailing_zeros): Likewise.
485 (UMUL_TIME): Likewise.
487 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
489 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
490 soft-fp/t-softfp to tmake_file.
492 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
493 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
494 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
495 IA64_BUILTIN_INFQ]: New.
496 (ia64_init_builtins): Initialize __builtin_infq,
497 __builtin_fabsq and __builtin_copysignq if not HPUX.
498 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
499 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
501 * config/ia64/lib1funcs.asm (__divtf3): Define only if
503 (__fixtfti): Likewise.
504 (__fixunstfti): Likewise.
505 (__floattitf): Likewise.
507 * config/ia64/libgcc-glibc.ver: New.
508 * config/ia64/t-fprules-softfp: Likewise.
509 * config/ia64/sfp-machine.h: Likewise.
511 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
512 (LIBGCC2_TF_CEXT): Likewise.
514 (TARGET_INIT_LIBFUNCS): Likewise.
516 * config/ia64/t-glibc (SHLINB_MAPFILES):
517 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
519 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
521 * config/i386/i386.c (construct_container): Rewrite processing
522 BLKmode with X86_64_SSE_CLASS.
524 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
527 * config/i386/i386.md: Replace simplify_replace_rtx with
528 replace_rtx in the new peephole2.
530 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
532 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
533 loop unrolling do not happen at -O2.
535 2009-02-12 Michael Matz <matz@suse.de>
537 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
539 2009-02-12 Jakub Jelinek <jakub@redhat.com>
541 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
544 2009-02-12 Ben Elliston <bje@au.ibm.com>
546 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
547 patterns when updating the back chain. Missed in the 2009-02-10
550 2009-02-11 Janis Johnson <janis187@us.ibm.com>
552 * doc/extend.texi (Decimal Floating Types): Update identifier of
553 draft TR and list of missing support.
555 2009-02-11 Jakub Jelinek <jakub@redhat.com>
558 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
559 bit to variable length decl's flags, add it also to its
560 pointer replacement variable.
562 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
563 Jakub Jelinek <jakub@redhat.com>
566 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
567 (memory_blockage): New expander.
568 (*memory_blockage): New insn pattern.
569 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
570 instead of general blockage at the end of function prologue when
571 frame pointer is used to access red zone area. Do not emit blockage
572 when profiling, it is emitted in generic code.
573 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
574 function epilogue when frame pointer is used to access red zone area.
576 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
579 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
580 by arithmetic with memory operands.
581 * config/i386/predicates.md (commutative_operator): New.
583 2009-02-10 Janis Johnson <janis187@us.ibm.com>
585 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
588 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
590 * alias.h (record_alias_subset): Declare.
591 * alias.c (record_alias_subset): Make global.
593 2009-02-10 Nick Clifton <nickc@redhat.com>
595 * tree-parloops.c: Change license to GPLv3.
596 * ipa-struct-reorg.c: Change license to GPLv3.
597 * ipa-struct-reorg.h: Change license to GPLv3.
599 2009-02-10 Steve Ellcey <sje@cup.hp.com>
602 * c-decl.c (start_struct): Return NULL on error.
604 2009-02-10 Jakub Jelinek <jakub@redhat.com>
607 * cfgloopmanip.c (remove_path): Call remove_bbs after
608 cancel_loop_tree, not before it.
611 * function.h (struct function): Add has_local_explicit_reg_vars bit.
612 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
614 * tree-ssa-live.c (remove_unused_locals): Recompute
615 cfun->has_local_explicit_reg_vars.
616 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
617 copies or clearings if cfun->has_local_explicit_reg_vars.
619 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
622 * config/i386/i386.c (expand_prologue): Emit blockage at the end
623 of function prologue when frame pointer is used to access
626 2009-02-10 Richard Guenther <rguenther@suse.de>
629 * gimplify.c (gimple_regimplify_operands): Always look if
630 we need to create a temporary.
632 2009-02-10 Richard Guenther <rguenther@suse.de>
634 PR tree-optimization/39132
635 * tree-loop-distribution.c (todo): New global var.
636 (generate_memset_zero): Trigger TODO_rebuild_alias.
637 (tree_loop_distribution): Return todo.
639 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
642 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
643 (x86_64_reg_class_name): Removed.
644 (classify_argument): Return 0 if bytes > 32. Return 0 if the
645 first one isn't X86_64_SSE_CLASS or any other ones aren't
646 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
647 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
648 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
649 and 3 X86_64_SSEUP_CLASS.
650 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
651 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
653 2009-02-10 Ben Elliston <bje@au.ibm.com>
655 * config/rs6000/rs6000.md (allocate_stack): Always use an update
656 form instruction to update the stack back chain word, even if the
657 user has disabled the generation of update instructions.
658 (movdi_<mode>_update_stack): New.
659 (movsi_update_stack): Likewise.
660 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
661 always use an update form instruction to update the stack back
664 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
667 * graphite.c (if_region_set_false_region): After moving a region in
668 the false branch of a condition, remove the empty dummy basic block.
669 (gloog): Remove wrong fix for PR38953.
671 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
673 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
674 generation due to implicit sign extension.
676 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
679 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
680 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
682 2009-02-09 Richard Guenther <rguenther@suse.de>
685 * convert.c (convert_to_real): Disable (float)fn((double)x)
686 to fnf(x) conversion if errno differences may occur and
689 2009-02-07 Anatoly Sokolov <aesok@post.ru>
691 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
692 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
693 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
695 2009-02-06 Joseph Myers <joseph@codesourcery.com>
698 * c-common.c (handle_alias_attribute): Disallow attribute for
699 anything not a FUNCTION_DECL or VAR_DECL.
701 2009-02-06 Janis Johnson <janis187@us.ibm.com>
704 * real.c (do_compare): Special-case compare of zero against
707 2009-02-06 Joseph Myers <joseph@codesourcery.com>
710 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
711 as indicating flexible array members unless the field itself is
712 being declarared as the incomplete array.
714 2009-02-06 Jan Hubicka <jh@suse.cz>
716 PR tree-optimization/38844
717 * ipa-inline.c (try_inline): Stop inlining recursion when edge
720 2009-02-06 Richard Guenther <rguenther@suse.de>
723 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
724 fork because we may expand it as __gcov_fork.
726 2009-02-06 Nick Clifton <nickc@redhat.com>
728 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
730 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
732 PR tree-optimization/35659
733 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
734 vn_phi_eq): Shortcut if hashcode does not match.
735 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
737 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
738 and avoid iterative_hash_expr.
739 (FOR_EACH_VALUE_ID_IN_SET): New.
740 (value_id_compare): Remove.
741 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
742 sort expressions by value id.
744 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
747 * config/sh/predicates.md (general_movsrc_operand): Don't check
748 the subreg of system registers here.
750 2009-02-05 Jakub Jelinek <jakub@redhat.com>
753 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
756 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
758 PR rtl-optimization/39110
759 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
760 addresses, not aligned ones.
762 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
763 Richard Guenther <rguenther@suse.de>
765 PR tree-optimization/39100
766 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
767 comment says and add edges.
769 2009-02-05 Joseph Myers <joseph@codesourcery.com>
772 * c-common.c (handle_tls_model_attribute): Ignore attribute for
773 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
775 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
777 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
778 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
779 register_bb_in_sese, new_sese, free_sese): Moved.
780 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
781 outermost_loop_in_scop, build_scop_iteration_domain,
782 expand_scalar_variables_ssa_name, get_vdef_before_scop,
783 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
784 Use loop_in_sese_p instead of loop_in_scop_p.
785 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
786 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
787 (scopdet_basic_block_info): Fix bug in scop detection.
788 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
789 eq_loop_to_cloog_loop): Remove.
790 (nb_loops_around_loop_in_scop, nb_loop
791 ref_nb_loops): Moved here...
792 * graphite.h (ref_nb_loops): ... from here.
793 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
794 (loop_domain_dim, loop_iteration_vector_dim): Remove.
795 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
796 * testsuite/gcc.dg/graphite/scop-19.c: New
798 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
799 Hans-Peter Nilsson <hp@axis.com>
801 PR rtl-optimization/37889
802 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
803 Move offset handling from PLUS to before the switch. Use new
804 arguments when considering SYMBOL_REFs too.
805 (rtx_addr_can_trap_p): Pass dummy offset and size.
806 (enum may_trap_p_flags): Remove.
807 (may_trap_p_1): Pass size from MEM_SIZE.
809 PR rtl-optimization/38921
810 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
811 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
812 * rtlanal.c (may_trap_after_code_motion_p): Delete.
813 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
815 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
817 AVX Programming Reference (January, 2009)
818 * config/i386/sse.md (*vpclmulqdq): New.
820 2009-02-04 Jakub Jelinek <jakub@redhat.com>
822 PR tree-optimization/38977
823 PR gcov-profile/38292
824 * calls.c (special_function_p): Disregard __builtin_ prefix.
826 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
828 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
829 non-indexable addresses even before reload.
831 2009-02-03 Joseph Myers <joseph@codesourcery.com>
834 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
835 as having variable size. Do not give an error for unnamed
836 parameters with [*] declarators. Give a warning for type names
837 with [*] declarators and mark them as variable size.
838 * c-parser.c (c_parser_sizeof_expression): Do not give an error
839 for sizeof applied to [*] type names.
841 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
844 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
846 2009-02-03 Jakub Jelinek <jakub@redhat.com>
848 * gcc.c (process_command): Update copyright notice dates.
849 * gcov.c (print_version): Likewise.
850 * gcov-dump.c (print_version): Likewise.
851 * mips-tfile.c (main): Likewise.
852 * mips-tdump.c (main): Likewise.
854 2009-02-03 Joseph Myers <joseph@codesourcery.com>
857 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
858 for composite type involving a zero-length array type.
860 2009-02-03 Jakub Jelinek <jakub@redhat.com>
863 * function.c (match_asm_constraints_1): Skip over
864 initial optional % in the constraint.
867 * c-parser.c (c_parser_postfix_expression): If fixed point is not
868 supported, don't accept FIXED_CSTs.
869 * c-decl.c (finish_declspecs): Error if fixed point is not supported
870 and _Sat is used without _Fract/_Accum. Set specs->type to
871 integer_type_node for cts_fract/cts_accum if fixed point is not
874 2009-02-02 Catherine Moore <clm@codesourcery.com>
876 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
878 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
880 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
881 (ABI_HAS_64BIT_SYMBOLS): Use it.
882 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
884 2009-02-02 Paul Brook <paul@codesourcery.com>
886 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
888 2009-02-02 Jakub Jelinek <jakub@redhat.com>
891 * recog.h (asm_operand_ok): Add constraints argument.
892 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
893 recurse on matching constraint.
894 (check_asm_operands): Pass constraints as 3rd argument to
895 asm_operand_ok. Don't look up matching constraint here.
896 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
899 2009-02-02 Ben Elliston <bje@au.ibm.com>
901 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
902 TARGET_NARROW_VOLATILE_BITFIELD macro names.
904 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
906 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
907 information. Remove some obsolete information. Reorganize.
909 * config/pa/fptr.c: Revert license to GPL 2.
910 * config/pa/milli64.S: Likewise.
912 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
915 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
916 LIBRARY name in, instead of hard-coding it.
917 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
918 extra target make frag to tmake_files according to EH model.
919 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
920 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
921 frags that define makefile variable EH_MODEL appropriately.
922 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
923 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
924 to "-sjlj" according to type of EH configured.
925 (LIBGCC_SONAME): Concatenate it to shared library base name.
926 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
927 to "_sjlj" according to type of EH configured.
928 (LIBGCC_SONAME): Concatenate it to shared library base name.
929 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
930 (SHLIB_LINK): Add missing semicolon to if-else construct.
931 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
932 string value of "pe_dll" command-line option.
933 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
934 (SHLIB_SONAME): Use it when overriding t-cygming default.
935 (SHLIB_IMPLIB): Override t-cygming default.
936 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
937 string value of "pe_dll" command-line option.
939 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
942 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
943 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
945 2009-01-31 Richard Guenther <rguenther@suse.de>
947 PR tree-optimization/38937
948 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
949 computing the transitive closure.
951 2009-01-30 Richard Guenther <rguenther@suse.de>
953 PR tree-optimization/39041
954 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
955 Propagate variable indices only if the types match for this stmt.
957 2009-01-30 Jakub Jelinek <jakub@redhat.com>
960 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
961 inline but never defined.
963 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
965 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
966 (*insv_h_di_reg_extimm): New insn.
967 (*insv_l<mode>_reg_extimm): New insn.
969 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
971 * config/picochip/picochip.c (flag_conserve_stack): set
972 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
973 fconserve-stack. Reduce call-overhead used by inliner.
975 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
978 * common.opt (flag_conserve_stack): Initialised to zero.
980 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
983 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
984 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
987 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
989 * ira-color.c (allocno_reload_assign): Update comments.
990 * regmove.c (regmove_optimize): Likewise.
994 2009-01-29 Robert Millan <rmh@aybabtu.com>
996 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
997 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
999 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1001 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1003 PR tree-optimization/39007
1004 * tree-loop-distribution.c (generate_builtin): Use
1005 recompute_dominator to compute the immediate dominator of the
1006 basic block just after the loop.
1008 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1010 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1011 (ASM_OUTPUT_DWARF_PCREL): Define.
1013 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1015 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1016 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1017 global. Modify entries about regmove and IRA.
1019 * ra-conflict.c: Remove the file.
1021 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1023 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1024 (pass_regclass_init): Rename to pass_reginfo_init.
1026 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1028 * toplev.h (flag_ira): Remove.
1030 * caller-save.c (setup_save_areas): Remove flag_ira.
1032 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1034 * global.c: Remove the file.
1036 * opts.c: (decode_options): Remove flag_ira.
1038 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1040 * regmove.c: Modify file description.
1041 (find_use_as_address, try_auto_increment): Define them only if
1042 AUTO_INC_DEC is defined.
1043 (replacement_quality, replace_in_call_usage, fixup_match_1,
1044 stable_and_no_regs_but_for_p): Remove.
1045 (reg_set_in_bb): Make it static.
1046 (regmove_optimize): Remove flag_ira and code which worked for
1049 * local-alloc.c: Remove the file.
1051 * common.opt (fira): Remove.
1053 * ira.c: Include except.h.
1054 (eliminable_regset): Move from global.c.
1055 (mark_elimination): Ditto. Remove flag_ira.
1056 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1057 equiv_mem_modified, validate_equiv_mem_from_store,
1058 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1059 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1060 no_equiv, recorded_label_ref): Move from local-alloc.c.
1061 (update_equiv_regs): Ditto. Make it static.
1062 (print_insn_chain, print_insn_chains): Move it from global.c.
1063 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1064 (build_insn_chain): Ditto. Make it static.
1065 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1066 Rename to init_live_subregs.
1067 (gate_ira): Remove flag_ira.
1069 * regclass.c: Rename reginfo.c. Change file description.
1070 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1071 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1072 (init_reg_sets_1): Remove code for evaluation of
1073 reg_class_superclasses and losing_caller_save_reg_set.
1074 (init_regs): Remove init_reg_autoinc.
1075 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1076 ok_for_base_p_nonstrict): Remove.
1077 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1078 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1079 corresponding entries.
1080 (dump_regclass, record_operand_costs, scan_one_insn,
1081 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1082 record_address_regs, auto_inc_dec_reg_p): Remove.
1083 (gt-regclass.h): Rename to gt-reginfo.h.
1085 * rtl.h (dump_global_regs, retry_global_alloc,
1086 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1088 * Makefile.in (RA_H): Remove.
1089 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1090 Rename regclass.o to reginfo.o.
1091 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1093 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1094 (GTFILES): Rename regclass.c to reginfo.c.
1096 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1097 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1099 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1100 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1102 (finish_spills): Ditto. Remove code for !flag_ira.
1104 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1107 * doc/invoke.texi (rtl debug options): Complete rewrite.
1108 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1110 * mode-switching.c (pass_mode_switching): Rename pass from
1111 "mode-sw" to "mode_sw".
1112 * except.c (pass_convert_to_eh_ranges): Rename pass from
1113 "eh-ranges" to "eh_ranges".
1114 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1118 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1119 Alexander Monakov <amonakov@ispras.ru>
1122 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1124 (move_exprs_to_boundary): Change return type and pass through
1125 should_move from move_op. Relax assert. Update usage ...
1126 (schedule_expr_on_boundary): ... here. Use should_move instead of
1128 (move_op_orig_expr_found): Indicate that insn was disconnected from
1130 (code_motion_process_successors): Do not call after_merge_succs
1131 callback if original expression was not found when traversing any of
1133 (code_motion_path_driver): Change return type. Update prototype.
1134 (move_op): Update comment. Add a new parameter (should_move). Update
1135 prototype. Set *should_move based on indication provided by
1136 move_op_orig_expr_found.
1138 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1140 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1141 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1142 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1143 * config/rs6000/rs6000.c (rs6000_override_options): Default
1144 avoid-indexed-addresses on for Power6, off for everything else.
1145 (avoiding_indexed_address_p): New function.
1146 (rs6000_legitimize_address): Use it.
1147 (rs6000_legitimate_address): Likewise.
1148 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1150 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1152 PR tree-optimization/38997
1153 * tree-loop-distribution.c (generate_memset_zero): Use
1154 POINTER_PLUS_EXPR for a pointer addition.
1156 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1158 * config/s390/s390.md (bswap<mode>2): New pattern added.
1160 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1162 * config/s390/s390.md (*tls_load_31): Added type attribute.
1164 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1166 * config/s390/s390.md: Fix a few comments.
1168 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1170 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1171 (*tm<mode>_full): Fixed z10prop attribute.
1172 (*tst<mode>_extimm): Fixed z10prop attribute.
1173 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1174 (*tstqiCCT_cconly): Fixed z10prop attribute.
1175 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1176 (*movsi_larl): Fixed z10prop attribute.
1177 (*movsi_zarch): Fixed z10prop attribute.
1178 (*movsi_eas): Fixed z10prop attribute.
1179 (*movhi): Fixed z10prop attribute.
1180 (*movqi): Fixed z10prop attribute.
1181 (*movstrictqi): Fixed z10prop attribute.
1182 (*mov<mode>): Fixed z10prop attribute.
1183 (*movcc): Fixed z10prop attribute.
1184 (*sethighpartdi_64): Fixed z10prop attribute.
1185 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1186 (*negdi2_sign_cc): Fixed z10prop attribute.
1187 (*negdi2_sign): Fixed z10prop attribute.
1188 (*absdi2_sign_cc): Fixed z10prop attribute.
1189 (*absdi2_sign): Fixed z10prop attribute.
1190 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1191 (*negabsdi2_sign): Fixed z10prop attribute.
1192 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1193 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1194 (doloop_si64): Fixed z10prop attribute.
1195 (doloop_si31): Fixed z10prop attribute.
1196 (doloop_long): Fixed z10prop attribute.
1197 (indirect_jump): Fixed z10prop attribute.
1198 (nop): Fixed z10prop attribute.
1199 (main_base_64): Fixed z10prop attribute.
1200 (reload_base_64): Fixed z10prop attribute.
1202 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1204 PR rtl-optimization/38740
1205 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1207 * config/mips/mips.c (mips_reorg): Likewise.
1209 2009-01-28 Richard Guenther <rguenther@suse.de>
1211 PR tree-optimization/38926
1212 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1213 with the correct value id to a value.
1214 (do_regular_insertion): Use the value number of edoubleprime
1215 for the value number of the expr.
1218 2008-08-21 Richard Guenther <rguenther@suse.de>
1220 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1221 a PHI ask VN if it is already available.
1222 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1223 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1225 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1228 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1229 set to varying whenever max has TREE_OVERFLOW set, similarly
1230 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1232 2009-01-28 Richard Guenther <rguenther@suse.de>
1235 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1236 uninitialized aggregate uses in call arguments.
1238 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1240 PR tree-optimization/38984
1241 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1242 the nothing_id variable if -fno-delete-null-pointer-checks.
1244 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1247 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1248 (set_got_offset_rex64): Ditto.
1250 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1253 * doc/extend.texi: Improve local variable with asm reg.
1255 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1257 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1258 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1259 was not supplied then set warn_packed_bitfield_compat to the
1261 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1264 2009-01-27 Richard Guenther <rguenther@suse.de>
1266 PR tree-optimization/38503
1267 * cfgexpand.c (expand_gimple_basic_block): Ignore
1268 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1269 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1270 variables that cannot have TBAA applied.
1271 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1274 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1277 * calls.c (initialize_argument_information): Do not wrap complex
1278 arguments in SAVE_EXPR.
1280 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1282 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1283 (INSTALL_LIBGCC): Revert typo commit.
1285 2009-01-26 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/38745
1288 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1289 from special handling.
1291 2009-01-26 Richard Guenther <rguenther@suse.de>
1293 PR tree-optimization/38745
1294 * tree-ssa.c (execute_update_addresses_taken): Do not include
1295 variables that cannot possibly be a register in not_reg_needs.
1296 Do not clear TREE_ADDRESSABLE on vars that may not become
1298 * tree-ssa.c (update_alias_info_1): Include those in the set
1299 of addressable vars.
1301 2009-01-26 Richard Guenther <rguenther@suse.de>
1304 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1305 * tree-ssa-dse.c: Include langhooks.h
1306 (execute_simple_dse): Remove stores with zero size.
1308 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1311 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1314 2009-01-24 Julian Brown <julian@codesourcery.com>
1316 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1317 config/arm/linux-atomic.c.
1318 * config/arm/linux-atomic.c: New.
1320 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1322 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1323 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1324 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1326 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1329 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1332 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1334 PR tree-optimization/38953
1335 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1336 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1337 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1338 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1341 2009-01-24 Paul Brook <paul@codesourcery.com>
1343 * config/arm/neon.md (neon_type): Move to arm.md.
1344 (neon_mov<VSTRUCT>): Add neon_type attribute.
1345 * config/arm/arm.md (neon_type): Move to here.
1346 (conds): Add "unconditioal" and use as default for NEON insns.
1348 2009-01-24 Ben Elliston <bje@au.ibm.com>
1350 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1351 void *' warning from -Wc++-compat.
1352 * Makefile.in (dominance.o-warn): Remove.
1354 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1356 PR tree-optimization/38932
1357 * fold-const.c (fold_unary_ignore_overflow): New.
1358 * tree.h (fold_unary_ignore_overflow): Declare.
1359 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1360 * tree-ssa-sccvn.c (visit_reference_op_load,
1361 simplify_unary_expression): Likewise.
1363 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1365 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1366 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1367 regardless of their type.
1368 * c-common.c (handle_packed_attribute): Don't ignore packed on
1370 * c.opt (Wpacked-bitfield-compat): New warning option.
1371 * stor-layout.c (place_field): Warn if offset of a field changed.
1372 * doc/extend.texi (packed): Mention the ABI change.
1373 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1374 (Warning Options): Add it to the list.
1376 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1378 * c-opts.c (c_common_post_options): Fix a typo in comments.
1380 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1383 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1384 variables to static.
1385 * doc/invoke.texi (-fmerge-all-constants): Update description.
1387 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1390 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1391 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1393 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1395 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1397 (LOCAL_ALIGNMENT): Similarly.
1399 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1400 Joseph Myers <joseph@codesourcery.com>
1402 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1403 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1404 * config/arm/arm-tune.md: Regenerate.
1405 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1408 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1410 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1411 version number to five.
1413 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1416 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1417 * c-common.c (set_underlying_type): Likewise.
1418 (is_typedef_decl ): Likewise
1420 (set_underlying_type): Likewise.
1421 (is_typedef_type): Likewise.
1423 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1426 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1429 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1432 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1433 (LIBGCC_SPEC): Don't define.
1434 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1436 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1438 PR rtl-optimization/38879
1439 * alias.c (base_alias_check): Unaligned access via AND address can
1440 alias all surrounding object types except those with sizes equal
1441 or wider than the size of unaligned access.
1443 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1446 * c-decl.c: (clone_underlying_type): Move this ...
1447 * c-common.c (set_underlying_type): ... here.
1448 Also, make sure the function properly sets TYPE_STUB_DECL() on
1449 the newly created typedef variant type.
1450 (is_typedef_decl ): New entry point.
1451 * tree.h: Added a new member member_types_needing_access_check to
1452 struct tree_decl_non_common.
1453 (set_underlying_type): New entry point.
1454 (is_typedef_type): Likewise.
1456 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1458 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1459 Check whether two instructions have memory references that
1460 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1461 are helper functions for traversing.
1462 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1463 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1464 not to draw dependency edge for instructions with non-conflicting
1467 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1470 * longlong.h: Update copyright years. Use soft-fp license notice.
1471 Sync __clz_tab declaration with glibc.
1473 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1476 * doc/extend.texi (syscall_linkage): New.
1477 (version_id): Modify.
1479 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1480 Richard Guenther <rguenther@suse.de>
1482 PR tree-optimization/38747
1483 PR tree-optimization/38748
1484 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1485 conversion if the base address is an indirect reference and the
1486 aliasing sets could cause issues.
1488 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1490 * common.opt (fgraphite, fgraphite-identity): Add comment for
1491 explaining why these options are not documented.
1493 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1495 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1496 gimple_call_lhs is NULL.
1498 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1501 * emit-rtl.c (adjust_address_1): Make sure memref is never
1504 2009-01-20 Ben Elliston <bje@au.ibm.com>
1506 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1507 const qualifier from arg parameter. Remove unnecessary cast to char *.
1508 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1509 const qualifier from arg 2.
1511 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1513 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1515 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1518 * rtl.h (reinit_regs): New prototype.
1519 * regclass.c: Include ira.h.
1521 * Makefile.in (regclass.o): Add ira.h.
1522 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1524 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1527 * c-common.c (handle_aligned_attribute): Use
1528 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1529 default alignment value.
1531 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1533 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1534 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1536 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1537 __BIGGEST_ALIGNMENT__.
1539 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1541 2009-01-18 Richard Guenther <rguenther@suse.de>
1543 PR tree-optimization/38819
1544 * tree-flow.h (operation_could_trap_helper_p): Declare.
1545 * tree-eh.c (operation_could_trap_helper_p): Export.
1546 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1547 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1548 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1549 are about to insert a possibly trapping instruction and fail
1552 2009-01-18 Andreas Schwab <schwab@suse.de>
1554 * doc/install.texi (Configuration): Remove obsolete paragraph
1555 about use of --with-gnu-ld with --with-gnu-as.
1557 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1559 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1560 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1561 Follow spelling conventions.
1563 2009-01-18 Ben Elliston <bje@au.ibm.com>
1565 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1566 C++ warning about implicit conversion from void * to struct
1568 (bitmap_obstack_free): Likewise for bitmap_element *.
1569 * Makefile.in (bitmap.o-warn): Remove.
1571 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1573 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1575 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1576 Tobias Grosser <tobi.grosser@amd.com>
1578 * graphite.c (graphite_trans_scop_block): Do not block single
1581 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1583 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1584 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1585 test with assertion.
1587 2009-01-16 Richard Guenther <rguenther@suse.de>
1589 PR tree-optimization/38835
1591 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1592 and INT + PTR -> (INT)(PTR p+ INT) folding.
1593 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1595 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1598 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1599 the subreg from a lowpart subreg if it is also casting the value.
1601 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1602 Tobias Grosser <tobi.grosser@amd.com>
1604 * graphite.c (compare_prefix_loops): New.
1605 (build_scop_canonical_schedules): Rewritten.
1606 (graphite_transform_loops): Move build_scop_canonical_schedules
1607 after build_scop_iteration_domain.
1609 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1610 Tobias Grosser <tobi.grosser@amd.com>
1612 * graphite.c (add_conditions_to_domain): Add the loops to
1613 the dimension of the iteration domain. Do copy the domain
1614 only when it exists.
1615 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1616 (add_conditions_to_constraints): New.
1617 (can_generate_code_stmt, can_generate_code): Removed.
1618 (gloog): Do not call can_generate_code.
1619 (graphite_transform_loops): Call add_conditions_to_constraints
1620 after building the iteration domain.
1622 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1624 PR tree-optimization/38789
1625 * tree-ssa-threadedge.c
1626 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1627 __builtin_constant_p.
1629 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1631 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1632 examined before deleting them.
1634 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1636 * function.c (aggregate_value_p): Correctly extract the function
1637 type from CALL_EXPR_FN lookup.
1639 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1641 * config/picochip/picochip.c (picochip_override_options): Revert
1642 CFI asm flag disable commited previously.
1644 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1645 Tobias Grosser <tobi.grosser@amd.com>
1646 Jan Sjodin <jan.sjodin@amd.com>
1648 * graphite.c (scan_tree_for_params): On substractions negate
1649 all the coefficients of the term.
1650 (clast_to_gcc_expression_red): New. Handle reduction expressions
1651 of more than two operands.
1652 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1653 (get_vdef_before_scop): Handle also the case of default definitions.
1655 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1657 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1658 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1659 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1661 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1662 Joey Ye <joey.ye@intel.com>
1665 * cfgexpand.c (expand_stack_alignment): Don't update stack
1666 boundary nor check incoming stack boundary here.
1667 (gimple_expand_cfg): Update stack boundary and check incoming
1668 stack boundary here.
1670 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1672 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1674 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1676 PR rtl-optimization/38245
1677 * calls.c (expand_call): Add stack arguments to
1678 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1679 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1680 in regs and partially in memory or BLKmode arguments.
1681 (emit_library_call_value_1): Add stack arguments to
1682 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1683 ACCUMULATE_OUTGOING_ARGS).
1684 * dce.c: Include tm_p.h.
1685 (find_call_stack_args): New function.
1686 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1688 (mark_insn): Call find_call_stack_args for CALL_Ps.
1689 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1690 forwards. Allocate and free arg_stores bitmap if needed, pass it
1691 down to deletable_insn_p, don't mark stores set in arg_stores
1692 bitmap, clear the bitmap at the beginning of each bb.
1693 * Makefile.in (dce.o): Depend on $(TM_P_H).
1695 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1698 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1699 to make sure the insn is a conditional test (bug 22599). Reformat a
1702 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1705 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1706 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1707 (gloog): Do not call cleanup_tree_cfg.
1708 (graphite_transform_loops): Call cleanup_tree_cfg after all
1709 scops have been code generated.
1711 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1712 * doc/gty.texi (Invoking the garbage collector): Added new node
1713 and section documenting ggc_collect.
1715 2009-01-14 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/38826
1719 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1720 initialization notes only if we actually emitted a warning.
1721 (intra_create_variable_infos): Add constraints for a result decl
1722 that is passed by hidden reference.
1723 (build_pred_graph): Mark all related variables non-direct on
1726 2009-01-14 Nick Clifton <nickc@redhat.com>
1728 * ira-conflicts.c: Include addresses.h for the definition of
1730 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
1731 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
1733 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
1736 * Makefile.in (ira-lives.o): Add except.h.
1738 * ira-lives.c: Include except.h.
1739 (process_bb_node_lives): Process can_throw_internal.
1741 2009-01-13 Jakub Jelinek <jakub@redhat.com>
1743 PR rtl-optimization/38774
1744 * combine.c (simplify_set): When undoing cc_use change, don't do
1745 PUT_CODE on the newly created comparison, but instead put back the
1748 2009-01-13 Joseph Myers <joseph@codesourcery.com>
1750 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
1751 values. Remove duplicate arm8 entry.
1753 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1755 PR tree-optimization/38786
1756 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
1757 the SSA_NAME case of expand_scalar_variables_expr.
1758 Set the type of an expression to the type of its assign statement.
1759 (expand_scalar_variables_expr): Also gather the scalar computation
1760 used to index the memory access. Do not pass loop_p.
1761 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
1762 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
1763 the gimple_stmt_iterator where it inserts new code.
1765 (copy_bb_and_scalar_dependences): Do not pass loop_p.
1766 (translate_clast): Update call to copy_bb_and_scalar_dependences.
1768 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
1770 * graphite.h (debug_value): Removed.
1771 * graphite.c (debug_value): Removed.
1773 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1775 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
1776 ldrd/strd with two 32-bit instructions.
1778 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
1780 * config/arm/arm.c (struct processors): Pass for speed down into
1781 cost helper functions.
1782 (const_ok_for_op): Handle COMPARE and inequality nodes.
1783 (arm_rtx_costs_1): Rewrite.
1784 (arm_size_rtx_costs): Update prototype.
1785 (arm_rtx_costs): Pass speed down to helper functions.
1786 (arm_slowmul_rtx_costs): Rework cost calculations.
1787 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
1788 (arm_9e_rtx_costs): Likewise.
1790 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
1792 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
1793 relocations of local symbols wider than UNITS_PER_WORD are not valid.
1794 (alpha_legitimize_address): Do not split local symbols wider than
1795 UNITS_PER_WORD into HIGH/LO_SUM parts.
1797 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
1800 * gcc.c (process_command): Replace call to execvp with calls
1801 to pex_one and exit.
1803 2009-01-03 Anatoly Sokolov <aesok@post.ru>
1806 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
1807 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
1808 variant for devices with 3-byte PC.
1809 (__tablejump_elpm__) : New.
1811 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1814 * c-parser.c (c_parser_postfix_expression): Allow `->' in
1815 offsetof member-designator, handle it as `[0].'.
1817 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1819 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
1820 function when not using named sections on targets with named sections
1821 if branch distance is less than 262132.
1823 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
1825 * combine.c (combine_instructions): Recompute
1826 optimize_this_for_speed_p for each BB in the main combine loop.
1828 2009-01-12 Tomas Bily <tbily@suse.cz>
1831 * tree-loop-distribution.c (prop_phis): New function.
1832 (generate_builtin): Call prop_phis.
1833 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
1835 2009-01-12 Jakub Jelinek <jakub@redhat.com>
1837 PR tree-optimization/38807
1838 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
1839 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
1841 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
1843 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
1844 subreg of op0 to the original op0.
1846 2009-01-11 Laurent GUERBY <laurent@guerby.net>
1848 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
1850 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
1853 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
1854 starting with digits.
1856 2009-01-10 Jakub Jelinek <jakub@redhat.com>
1859 * config/arm/arm.c (arm_is_long_call_p): Don't call
1860 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
1862 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
1864 * regrename.c (regrename_optimize): Fix dumping.
1865 (find_oldest_value_reg): Preserve REG_POINTER.
1866 (copy_hardreg_forward_1): Likewise.
1868 2009-01-09 Diego Novillo <dnovillo@google.com>
1870 * gimple.h (struct gimple_statement_base) <uid>: Document
1871 the restrictions on its use.
1873 (gimple_set_uid): Tidy.
1875 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1877 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
1878 zero guard even if align_bytes != 0 and count is smaller than
1881 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
1883 PR rtl-optimization/38495
1884 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
1885 (add_range_and_copies_from_move_list): Print all added ranges.
1886 Add ranges to memory optimized destination.
1888 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1892 * config/i386/i386.c (override_options): Reject
1893 -mstringop-strategy=rep_8byte with -m32.
1894 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
1895 to 1. Do count comparison against epilogue_size_needed at compile
1896 time even when count_exp was constant forced into register. For
1897 size_needed don't jump to epilogue, instead just avoid aligning
1898 and invoke the body algorithm. If need_zero_guard, add zero guard
1899 even if count is non-zero, but smaller than size_needed + number of
1900 bytes that could be stored for alignment.
1901 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
1902 to 1. If need_zero_guard, add zero guard even if count is non-zero,
1903 but smaller than size_needed + number of bytes that could be stored
1904 for alignment. Compare size_needed with epilogue_size_needed instead
1905 of desired_align - align, don't adjust size_needed, pass
1906 epilogue_size_needed to the epilogue expanders.
1909 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
1911 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1913 * pa.c (last_address): Change to unsigned.
1914 (update_total_code_bytes): Change argument to unsigned. Don't
1915 check if insn addresses are set.
1916 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
1917 addresses are not set.
1918 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
1920 2009-01-09 Nick Clifton <nickc@redhat.com>
1922 * config/sh/symbian.c: Replace uses of DECL_INLINE with
1923 DECL_DECLARED_INLINE_P.
1925 2009-01-09 Jakub Jelinek <jakub@redhat.com>
1928 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
1929 GET_MODE (op0) in operand_subword_force calls.
1932 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
1933 fold_convert arg0 operands to TREE_TYPE (op0) first.
1935 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
1937 * params.def (ira-max-conflict-table-size): Decrease default value
1940 2009-01-08 Jakub Jelinek <jakub@redhat.com>
1942 PR tree-optimization/37031
1943 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
1945 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
1946 allocate it using gc instead of heap, use VEC_quick_push instead of
1948 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
1949 instead of heap, use VEC_quick_push instead of VEC_safe_push.
1950 * tree-data-ref.h (struct access_matrix): Change matrix to gc
1951 allocated vector from heap allocated.
1952 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
1953 * tree-loop-linear.c (linear_transform_loops): Allocate nest
1954 vector only after perfect_loop_nest_depth call.
1956 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
1957 Jan Sjodin <jan.sjodin@amd.com>
1959 PR tree-optimization/38559
1960 * graphite.c (debug_value, copy_constraint,
1961 swap_constraint_variables, scale_constraint_variable, ): New.
1962 (get_lower_bound, get_upper_bound): Removed.
1963 (graphite_trans_bb_strip_mine): Clean up this code that works
1964 only for constant number of iterations. Fully copy upper and
1965 lower bound constraints, not only the constant part of them.
1966 * graphite.h (debug_value): Declared.
1968 2009-01-08 Ira Rosen <irar@il.ibm.com>
1970 PR tree-optimization/37194
1971 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1972 Don't add the cost of cost model guard in prologue to scalar
1973 outside cost in case of known number of iterations.
1975 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
1976 Alan Modra <amodra@bigpond.net.au>
1978 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
1979 non-word-aligned REG+CONST addressing.
1981 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1984 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
1985 free_after_compilation when outputting a thunk.
1986 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
1987 Do not call free_after_compilation here.
1989 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
1991 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
1992 (ix86_valid_target_attribute_inner_p): Ditto.
1994 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
1996 PR tree-optimization/38492
1997 PR tree-optimization/38498
1998 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
1999 * tree-chrec.h (scev_is_linear_expression): Declared.
2000 * graphite.c (graphite_cannot_represent_loop_niter): New.
2001 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2002 (graphite_loop_normal_form): Use gcc_assert.
2003 (scan_tree_for_params): Use CASE_CONVERT.
2004 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2005 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2006 Use gcc_assert. Discard scops that contain unhandled cases.
2007 (build_scop_conditions): Return a boolean status for unhandled cases.
2008 (strip_mine_profitable_p): Print the loop number, not its depth.
2009 (is_interchange_valid): Pass the depth of the loop nest, don't
2010 recompute it wrongly.
2011 (graphite_trans_bb_block): Same.
2012 (graphite_trans_bb_block): Print tentative of loop blocking.
2013 (graphite_trans_scop_block): Do not print that the loop has been
2015 (graphite_transform_loops): Do not handle scops that contain condition
2018 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2020 AVX Programming Reference (December, 2008)
2021 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2022 (_mm256_stream_pd): Likewise.
2023 (_mm256_stream_ps): Likewise.
2025 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2026 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2027 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2028 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2029 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2030 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2031 (ix86_expand_special_args_builtin): Likewise.
2033 * config/i386/sse.md (AVXMODEDI): New.
2034 (avx_movnt<mode>): Likewise.
2035 (avx_movnt<mode>): Likewise.
2036 (<sse>_movnt<mode>): Remove AVX support.
2037 (sse2_movntv2di): Likewise.
2039 2009-01-07 Richard Guenther <rguenther@suse.de>
2042 * fold-const.c (extract_muldiv): Remove obsolete comment.
2043 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2044 to PLUS_EXPR canonicalization for the canonicalization.
2046 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2048 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2049 hosted cross-compilers generating less efficient code.
2051 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2053 * function.h (rtl_data): Add a dbr_scheduled_p field.
2054 * reorg.c (dbr_schedule): Set it.
2055 (gate_handle_delay_slots): Check it.
2056 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2057 (mips_reorg): Check flag_delayed_branch instead of
2058 mips_base_delayed_branch.
2059 (mips_override_options): Don't set mips_base_delayed_branch
2060 or flag_delayed_branch.
2062 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2064 PR rtl-optimization/38426.
2065 * ira.c (ira): Set current_function_is_leaf earlier.
2067 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2069 PR rtl-optimization/38722
2070 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2071 too early, only set a flag and modify after last possible
2074 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2077 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2078 * real.c (decimal_single_format): Correct values of emin and emax.
2079 (decimal_double_format): Ditto.
2080 (decimal_quad_format): Ditto.
2081 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2082 computation of DECnn_MIN and DECnn_MAX for corrected values of
2083 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2084 __DECnn_MIN__, and adjust its computation for the corrected value
2087 2009-01-06 Jan Hubicka <jh@suse.cz>
2090 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2092 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2094 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2095 Add Robert Clark to the list of testers.
2097 2009-01-06 Jan Hubicka <jh@suse.cz>
2098 Kai Tietz <kai.tietz@onevision.com>
2100 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2101 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2103 2009-01-06 Jan Hubicka <jh@suse.cz>
2104 Kai Tietz <kai.tietz@onevision.com>
2106 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2108 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2109 (ix86_nsaved_regs): Count only general purpose regs.
2110 (ix86_nsaved_sseregs): New.
2111 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2112 to 16 for w64; compute padding and size of sse reg save area.
2113 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2114 general purpose regs.
2115 (ix86_emit_save_sse_regs_using_mov): New.
2116 (ix86_expand_prologue): Save SSE regs if needed.
2117 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2118 (ix86_emit_restore_sse_regs_using_mov): New.
2119 (ix86_expand_epilogue): Save SSE regs if needed.
2121 2009-01-06 Jan Hubicka <jh@suse.cz>
2122 Kai Tietz <kai.tietz@onevision.com>
2124 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2125 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2126 functions when accumulate outgoing args is off.
2128 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2131 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2132 before using pseudos_have_intersected_live_ranges_p.
2134 * ira-int.h (ira_assert): Always define.
2136 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2138 AVX Programming Reference (December, 2008)
2139 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2140 (_mm256_permute2_pd): Likewise.
2141 (_mm_permute2_ps): Likewise.
2142 (_mm256_permute2_ps): Likewise.
2143 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2144 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2146 * config/i386/i386.c (ix86_builtins): Remove
2147 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2148 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2149 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2150 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2151 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2152 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2153 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2154 __builtin_ia32_vpermil2ps256.
2155 (ix86_init_mmx_sse_builtins): Updated.
2156 (ix86_expand_args_builtin): Likewise.
2158 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2160 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2161 long absolute calls when generating PA 2.0 code.
2163 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2165 PR rtl-optimization/38583
2166 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2168 * params.def (ira-max-conflict-table-size): New.
2170 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2172 * ira.h (ira_conflicts_p): New external definition.
2174 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2175 table. Report this. Return result of building.
2176 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2177 building conflict table.
2179 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2180 (ira_color): Use ira_conflicts_p.
2182 * global.c: Include ira.h.
2183 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2186 * Makefile.in (global.o): Add ira.h.
2188 * ira-build.c (mark_all_loops_for_removal,
2189 propagate_some_info_from_allocno): New.
2190 (remove_unnecessary_allocnos): Call
2191 propagate_some_info_from_allocno.
2192 (remove_low_level_allocnos): New.
2193 (remove_unnecessary_regions): Add parameter. Call
2194 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2195 parameter to remove_unnecessary_regions.
2196 (ira_build): Remove all regions but root if the conflict table was
2197 not built. Update conflict hard regs for allocnos crossing calls.
2199 * ira.c (ira_conflicts_p): New global.
2200 (ira): Define and use ira_conflicts_p.
2202 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2203 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2204 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2206 2009-01-06 Ben Elliston <bje@au.ibm.com>
2208 * gengtype-lex.l (YY_NO_INPUT): Define.
2210 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2213 * c-common.c (handle_vector_size_attribute): Also reject
2216 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2218 PR tree-optimization/38492
2219 * graphite.c (rename_map_elt, debug_rename_elt,
2220 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2221 rename_map_elt_info, eq_rename_map_elts,
2222 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2223 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2224 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2225 (sese_build_livein_liveouts): New.
2226 (new_sese, free_sese): New.
2227 (new_scop): Call new_sese.
2228 (free_scop): Call free_sese.
2229 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2230 (register_old_new_names): Renamed register_old_and_new_names.
2231 (register_scop_liveout_renames, add_loop_exit_phis,
2232 insert_loop_close_phis, struct igp,
2233 default_liveout_before_guard, add_guard_exit_phis,
2234 insert_guard_phis, copy_renames): New.
2235 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2236 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2237 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2238 (scop_adjust_phis_for_liveouts): New.
2239 (gloog): Call scop_adjust_phis_for_liveouts.
2241 * graphite.h (struct sese): Documented. Added fields liveout,
2243 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2244 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2245 (struct scop): Added field liveout_renames.
2246 (SCOP_LIVEOUT_RENAMES): New.
2248 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2250 PR tree-optimization/38510
2251 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2252 (translate_clast): Call recompute_all_dominators before
2254 (gloog): Call recompute_all_dominators before graphite_verify.
2256 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2257 Jan Sjodin <jan.sjodin@amd.com>
2259 PR tree-optimization/38500
2260 * graphite.c (create_sese_edges): Call fix_loop_structure after
2263 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2265 * config.gcc: Add m32r*-*-rtems*.
2266 * config/m32r/rtems.h: New file.
2268 2009-01-05 Ben Elliston <bje@au.ibm.com>
2270 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2271 (.po.pox): Likewise.
2272 (po/gcc.pot): Likewise.
2274 2009-01-04 David S. Miller <davem@davemloft.net>
2276 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2277 (STARTING_FRAME_OFFSET): Always set to zero.
2279 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2281 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2282 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2283 fixed-point types, and vectors of the same.
2285 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2287 * config/mips/sync.md (*mb_barrier): Rename to...
2288 (*memory_barrier): ...this.
2290 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2292 * doc/extend.texi (Function Attributes): Move @cindex after @item
2293 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2294 and put in alphabetical order. Fix 'target' name and put in order.
2295 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2298 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2300 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2301 (memory_barrier): Expand as unspec instead of unspec_volatile.
2302 Remove mem:BLK from insn operands. Use Pmode scratch register.
2303 (*memory_barrier): Define as unspec instead of unspec_volatile.
2304 Use (match_dup 0) as input operand.
2306 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2307 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2308 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2309 scratch register. Remove operand 1.
2310 (*stbar): Define as unspec instead of unspec_volatile.
2311 Use (match_dup 0) as input operand, remove (const_int 8).
2312 (*membar): Define as unspec instead of unspec_volatile.
2313 Use (match_dup 0) as input operand, remove input operand 2.
2315 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2316 (memory_barrier): Expand as unspec instead of unspec_volatile.
2317 Remove mem:BLK from insn operands. Use Pmode scratch register.
2318 (*memory_barrier): Define as unspec instead of unspec_volatile.
2319 Use (match_dup 0) as input operand.
2321 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2322 Remove mem:BLK from insn operands. Use Pmode scratch register.
2323 Set volatile flag on operand 0.
2324 (*memory_barrier): New insn pattern.
2326 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2328 (*memory_barrier): Use (match_dup 0) as input operand.
2330 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2331 Remove mem:BLK from insn operands. Use Pmode scratch register.
2332 Set volatile flag on operand 0.
2333 (*mb_internal): New insn pattern.
2335 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2337 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2340 * function.c (struct temp_slot): Move to the section of the file
2341 that deals with temp slots. Remove field 'address'.
2342 (temp_slot_address_table): New hash table of address -> temp slot.
2343 (struct temp_slot_address_entry): New struct, items for the table.
2344 (temp_slot_address_compute_hash, temp_slot_address_hash,
2345 temp_slot_address_eq, insert_temp_slot_address): Support functions
2347 (find_temp_slot_from_address): Rewrite to use the new hash table.
2348 (remove_unused_temp_slot_addresses): Remove addresses of temp
2349 slots that have been made available.
2350 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2351 worker function for remove_unused_temp_slot_addresses.
2352 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2353 Add the temp slot address to the address -> temp slot map.
2354 (update_temp_slot_address): Update via insert_temp_slot_address.
2355 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2356 (pop_temp_slots): Likewise.
2357 (init_temp_slots): Allocate the address -> temp slot map, or empty
2358 the map if it is already allocated.
2359 (prepare_function_start): Initialize temp slot processing.
2361 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2364 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2365 Calculate the size of all stack vars assuming no packing of stack
2366 vars will happen, replacing a quadratic algorithm with a linear one.
2368 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2371 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2374 2009-01-03 Diego Novillo <dnovillo@google.com>
2376 * doc/contrib.texi: Update contributions.
2378 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2381 * builtins.c (fold_builtin_memory_op): Give up if either operand
2382 is volatile. Set srctype or desttype to non-qualified version
2386 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2389 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2391 PR rtl-optimization/35805
2392 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2393 problem if fast dce is able to remove any instructions.
2394 * dce.c (dce_process_block): Fix dump message.
2396 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2399 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2401 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2404 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2405 * tree-pretty-print.c (op_code_prio): New function.
2406 (op_prio): No longer static. Use op_code_prio.
2407 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2408 Use op_prio and op_code_prio to determine if () should be
2409 printed around operand(s) or not.
2411 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2412 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2413 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2414 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2415 pp_character instead of pp_string for single letter printing.
2417 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2419 * doc/extend.texi: Fix '#pragma GCC option' typo.
2421 2009-01-02 Richard Guenther <rguenther@suse.de>
2423 * doc/install.texi (--enable-checking): Mention different
2425 (--enable-stage1-checking): Document.
2427 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2430 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2431 case to be an error.
2433 2009-01-02 Ben Elliston <bje@au.ibm.com>
2435 * config/fp-bit.h (pack_d): Constify argument.
2436 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2437 (isnan): Constify argument.
2441 (_fpadd_parts): Constify return type.
2442 (_fpmul_parts): Likewise.
2443 (_fpdiv_parts): Likewise.
2445 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2448 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2449 warn about overwriting initializer with side-effects or
2450 -Woverride-init if !IMPLICIT.
2451 (output_init_element): Likewise. Pass IMPLICIT down to
2453 (process_init_element): Add IMPLICIT argument. Pass it down
2454 to output_init_element.
2455 (push_init_element, pop_init_level, set_designator): Adjust
2456 process_init_element callers.
2457 (set_nonincremental_init, set_nonincremental_init_from_string):
2458 Adjust add_pending_init callers.
2459 (output_pending_init_elements): Adjust output_init_element callers.
2460 * c-tree.h (process_init_element): Adjust prototype.
2461 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2462 process_init_element callers.
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