1 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
3 * tree.c (substitute_in_expr): Add missing 'break'.
5 2008-01-17 Richard Guenther <rguenther@suse.de>
7 PR tree-optimization/34825
8 * tree-ssa-math-opts.c (is_division_by): Do not recognize
9 x / x as division to handle.
11 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
14 "-pthread" is specified.
15 * pa-hpux11.h (LIB_SPEC): Likewise.
17 2007-01-16 Janis Johnson <janis187@us.ibm.com>
18 Peter Bergner <bergner@vnet.ibm.com>
20 PR rtl-optimization/33796
21 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
23 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
26 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
28 * pa-hpux10.h (LINK_SPEC): Likewise.
29 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
31 2008-01-16 Richard Guenther <rguenther@suse.de>
34 * fold-const.c (fold_convert_const_int_from_int): Do not
35 set overflow if that occured only because of a sign extension
36 change when converting from/to a sizetype with the same
37 precision and signedness.
39 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
42 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
43 location address to the correct place. Update copyright year.
45 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
47 * lambda-code.c (lambda_transform_legal_p): Handle the case of
48 no dependences in the dependence_relations vector.
50 2008-01-16 Jan Hubicka <jh@suse.cz>
52 PR rtl-optimization/31396
53 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
54 * cfg.c (dump_reg_info): Print it.
55 * regs.h (struct reg_info_t): add freq_calls_crossed.
56 (REG_FREQ_CALLS_CROSSED): New macro.
57 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
58 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
59 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
60 regmove_optimize): Update call crossed frequencies.
61 * local-alloc.c (struct qty): Add freq_calls_crossed.
62 (alloc_qty): Copute freq_calls_crossed.
63 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
64 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
65 * ra.h (struct allocno): Add freq_calls_crossed.
67 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
69 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
70 libgomp when compiling with ftree-parallelize-loops.
71 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
73 2008-01-16 Richard Guenther <rguenther@suse.de>
75 PR tree-optimization/34769
76 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
77 * tree.c (int_cst_value): Instead make this function more
78 permissive in what it accepts as valid input. Document this
79 function always sign-extends the value.
81 2008-01-16 Jakub Jelinek <jakub@redhat.com>
82 Richard Guenther <rguenther@suse.de>
85 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
86 (gimple_fold_indirect_ref_rhs): ... this.
87 (gimple_fold_indirect_ref): New function with foldings
88 that preserve lvalueness.
89 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
90 * tree-flow.h (gimple_fold_indirect_ref): Declare.
91 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
92 to fold an INDIRECT_REF, fall back to the old use of
95 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
97 * tree-data-ref.c (subscript_dependence_tester_1): Call
98 free_conflict_function.
99 (compute_self_dependence): Same.
101 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
104 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
105 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
107 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
108 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
109 for DWARF2_UNWIND_INFO targets.
111 2008-01-16 Richard Guenther <rguenther@suse.de>
114 * c-typeck.c (common_pointer_type): Do not merge inconsistent
115 type qualifiers for function types.
117 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
119 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
120 loop_iterator li from previous commit.
122 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
124 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
126 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
128 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
129 (parallelize_loops): Don't parallelize irreducible components.
131 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
134 * c-opts (c_common_post_options): Do not enable CPP
135 flag_pedantic_errors by default.
137 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
139 PR rtl-optimization/31944
140 * cse.c (remove_pseudo_from_table): New function.
141 (merge_equiv_classes): Use above function to remove pseudo-registers.
142 (invalidate): Likewise.
144 2008-01-13 Richard Guenther <rguenther@suse.de>
147 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
148 instead of TYPE_MODE to deal with calls from expand_one_error_var.
150 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
152 * gcse.c (cprop_jump): Call validate_unshare_change instead of
153 validate_change to unshare the source of the PC set.
155 2008-01-12 Jan Hubicka <jh@suse.cz>
158 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
159 references above array bounds. This might trigger bounds checks for
162 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
164 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
165 new_replaceable_dependencies.
167 2008-01-12 Doug Kwan <dougkwan@google.com>
169 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
170 instead of OPT_Wreturn_type in warning due to ignored return type
172 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
173 options included in -Wextra.
174 * c.opt: New option -Wignored_qualifiers.
175 * doc/invoke.texi (Warning Options, -Wextra): Add new option
177 (-Wignored-qualifiers): Document.
178 (-Wreturn-type): Remove description of functionality now handled
179 by -Wignored-qualifiers.
181 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
184 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
185 NOP_EXPR if it is between integral types with the same precision.
187 2008-01-12 Jan Hubicka <jh@suse.cz>
190 * invoke.texi (max-inline-recursive-depth): Fix default value.
192 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
194 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
197 2008-01-11 Bob Wilson <bob.wilson@acm.org>
199 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
201 2008-01-11 James E. Wilson <wilson@specifix.com>
204 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
206 2008-01-11 Anatoly Sokolov <aesok@post.ru>
208 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
209 save/restore frame pointer register and don't use 'call-prologues'
210 optimization in function with "OS_task" attribute.
212 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
215 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
216 when copying to memory.
218 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
220 PR rtl-optimization/30905
221 * cfgcleanup.c: Include dce.h
222 (crossjumps_occured): New global variable.
223 (try_crossjump_bb): Exit loop after finding a fallthru edge.
224 If something changed, set crossjumps_occured to true.
225 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
226 Don't add/remove fake edges to exit here...
227 (cleanup_cfg): ...but do it here, when crossjumping.
228 Run a fast DCE when successful crossjumps occured in the latest
229 iteration of try_optimize_cfg.
231 2008-01-11 Richard Guenther <rguenther@suse.de>
233 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
234 (struct vn_unary_op_s): Likewise.
235 (vn_reference_insert): Free old reference on hash collision.
237 2008-01-10 Raksit Ashok <raksit@google.com>
239 PR rtl-optimization/27971
240 * combine.c (find_split_point): Split PLUS expressions which are
241 inside a MEM rtx, and whose first operand is complex.
243 2008-01-10 DJ Delorie <dj@redhat.com>
245 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
246 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
247 (m32c_hard_regno_ok): Call the underlying function.
249 2008-01-10 Richard Guenther <rguenther@suse.de>
252 * tree-cfg.c (tree_merge_blocks): Do not go through the
253 full-blown folding and stmt updating path if we just deal
254 with virtual operands.
255 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
256 test for abnormal SSA_NAMEs.
258 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
261 * reload.c (push_reload): Add assertions. All constants from
262 reg_equiv_constant should have been used for replacing the respective
264 (find_reloads_address): Invoke find_reloads_address_part for
265 constant taken from the reg_equiv_constant array.
267 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
269 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
270 field (valnum) the first in the struct. Replace bools with
273 2008-01-10 Richard Guenther <rguenther@suse.de>
275 PR tree-optimization/34651
276 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
277 types and ordering for masking and converting.
279 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
281 PR tree-optimization/34017
282 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
283 also for PHI_NODE expressions.
285 2008-01-09 Jan Hubicka <jh@suse.cz>
287 PR tree-optimization/34708
288 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
289 based on number of case labels.
290 (init_inline_once): Remove switch_cost.
291 * tree-inline.h (eni_weights_d): Remove switch_cost.
293 2008-01-09 Richard Guenther <rguenther@suse.de>
294 Andrew Pinski <andrew_pinski@playstation.sony.com>
297 * gimplify.c (gimplify_cond_expr): Do not create an addressable
298 temporary if an rvalue is ok or an lvalue is not required.
300 2008-01-09 Richard Guenther <rguenther@suse.de>
303 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
306 2008-01-09 Richard Guenther <rguenther@suse.de>
309 * tree.c (host_integerp): Check for sizetype only if the
310 type is an integer type.
312 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
315 * opts.c (decode_options): Disable inlining of functions called
316 once if not in unit-at-a-time mode.
318 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
320 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
322 2008-01-08 Richard Guenther <rguenther@suse.de>
325 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
326 out early if the result will be unused.
328 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
333 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
334 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
337 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
339 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
340 for vectorization tuned.
342 2008-01-08 Richard Guenther <rguenther@suse.de>
344 PR tree-optimization/34683
345 * tree-ssa-operands.c (operand_build_cmp): Export.
346 * tree-ssa-operands.h (operand_build_cmp): Declare.
347 * tree-vn.c (vuses_compare): Remove.
348 (sort_vuses): Use operand_build_cmp.
349 (sort_vuses_heap): Likewise.
350 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
351 to re-use old VEC if available. Do not sort already sorted VUSEs.
352 (vdefs_to_vec): Do not sort already sorted VDEFs.
354 2008-01-08 Jakub Jelinek <jakub@redhat.com>
357 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
359 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
362 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
363 limitations of reciprocal sequences on x86 targets.
365 2008-01-08 Richard Guenther <rguenther@suse.de>
367 PR tree-optimization/34683
368 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
370 2008-01-07 Jakub Jelinek <jakub@redhat.com>
373 * config/darwin.c (darwin_mergeable_string_section): Don't use
374 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
376 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
379 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
380 negxf2. Macroize expander using X87MODEF mode iterator. Change
381 predicates of op0 and op1 to register_operand.
382 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
383 expander using X87MODEF mode iterator. Change predicates of
384 op0 and op1 to register_operand.
385 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
386 corresponding patterns and macroize using MODEF macro. Change
387 predicates of op0 and op1 to register_operand and remove
388 "m" constraint. Disparage "r" alternative with "!".
389 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
390 macroize using X87MODEF macro. Change predicates of op0 and op1
391 to register_operand and remove "m" constraint. Disparage "r"
392 alternative with "!".
393 (absneg splitter with memory operands): Remove.
394 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
395 patterns and macroize using X87MODEF mode iterator.
396 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
397 Change predicate of op1 to register_operand.
398 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
401 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
403 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
405 2008-01-07 Richard Guenther <rguenther@suse.de>
407 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
410 2008-01-07 Richard Guenther <rguenther@suse.de>
412 PR tree-optimization/34683
413 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
414 VOPs of the needed size to save memory. Use VEC_quick_push
415 to save compile-time.
416 (vdefs_to_vec): Likewise.
418 2008-01-07 Sa Liu <saliu@de.ibm.com>
420 * config/spu/spu.md (divdf3): Genetate inline code for double
421 division. The implementation doesn't handle INF or NAN, therefore it
422 only applies when -ffinite-math-only is given.
424 2008-01-06 Paolo Carlini <pcarlini@suse.de>
427 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
428 * doc/cpp.texi ([Common Predefined Macros]): Document.
430 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
432 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
433 order to use commutative addition instead of subtraction.
435 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
436 Mircea Namolaru <namolaru@il.ibm.com>
437 Vladimir Yanovsky <yanov@il.ibm.com>
438 Revital Eres <eres@il.ibm.com>
440 PR tree-optimization/34263
441 * tree-outof-ssa.c (process_single_block_loop_latch,
442 contains_tree_r): New functions.
443 (analyze_edges_for_bb): Call process_single_block_loop_latch
444 function to empty single-basic-block latch block if possible.
446 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
448 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
450 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
452 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
454 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
456 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
458 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
460 2008-01-05 Jakub Jelinek <jakub@redhat.com>
462 PR tree-optimization/34618
463 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
466 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
469 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
470 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
471 Update copyright year.
473 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
474 Update copyright year.
475 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
478 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
480 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
481 edge does not point to current bb before changing need_assert.
483 2008-01-04 Richard Guenther <rguenther@suse.de>
486 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
487 for verifying purposes if they are is_gimple_min_invariant.
489 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
491 PR tree-optimization/34448
492 PR tree-optimization/34465
493 * gimplify.c (gimplify_init_constructor): Add new parameter
494 notify_temp_creation. Use it.
495 (gimplify_modify_expr_rhs): Take volatiles into account when
496 optimizing constructors.
497 Do not optimize constructors if gimplify_init_constructor will dump to
499 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
500 * gcc.c-torture/compile/pr34448.c: New.
502 2008-01-04 Jakub Jelinek <jakub@redhat.com>
504 PR gcov-profile/34609
505 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
506 return_slot if result is TREE_ADDRESSABLE.
508 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
510 * config/mips/mips.md (sqrt_condition): Tweak comment.
511 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
513 2008-01-03 Tom Tromey <tromey@redhat.com>
516 * c-common.c (c_type_hash): Handle VLAs.
518 2008-01-03 Jan Hubicka <jh@suse.cz>
520 PR tree-optimization/31081
521 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
522 0 when inlining and not inlining to first basic block.
523 (remap_decl): When var is initialized to 0, don't set default_def.
524 (expand_call_inline): Set entry_bb.
525 * tree-inline.h (copy_body_data): Add entry_bb.
527 2008-01-03 Jakub Jelinek <jakub@redhat.com>
530 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
533 PR tree-optimization/29484
534 * tree-inline.c (inline_forbidden_p_2): New function.
535 (inline_forbidden_p): Disallow inlining if some static var
536 has an address of a local LABEL_DECL in its initializer.
537 * doc/extend.texi (Labels as Values): Document &&foo behaviour
540 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
542 PR tree-optimization/34635
543 * tree-data-ref.c (add_other_self_distances): Make sure that the
544 evolution step is constant.
546 2008-01-03 Jakub Jelinek <jakub@redhat.com>
549 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
551 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
553 * tree-sra.c (scalarize_init): Insert the generate_element_init
554 statements after the generate_element_zero statements.
556 2008-01-02 Richard Guenther <rguenther@suse.de>
560 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
561 for very large number of operands instead of ICEing.
563 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
566 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
569 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
571 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
574 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
577 * tree-mudflap.c (mx_register_decls): Guard warning by
578 !DECL_ARTIFICIAL check.
580 2008-01-01 Jakub Jelinek <jakub@redhat.com>
582 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
583 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
584 sse5_perm<mode>): Fix constraints.