1 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3 * tree-data-ref.c (subscript_dependence_tester_1): Call
4 free_conflict_function.
5 (compute_self_dependence): Same.
7 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
10 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
11 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
13 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
14 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
15 for DWARF2_UNWIND_INFO targets.
17 2008-01-16 Richard Guenther <rguenther@suse.de>
20 * c-typeck.c (common_pointer_type): Do not merge inconsistent
21 type qualifiers for function types.
23 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
25 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
26 loop_iterator li from previous commit.
28 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
30 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
32 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
34 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
35 (parallelize_loops): Don't parallelize irreducible components.
37 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
40 * c-opts (c_common_post_options): Do not enable CPP
41 flag_pedantic_errors by default.
43 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
45 PR rtl-optimization/31944
46 * cse.c (remove_pseudo_from_table): New function.
47 (merge_equiv_classes): Use above function to remove pseudo-registers.
48 (invalidate): Likewise.
50 2008-01-13 Richard Guenther <rguenther@suse.de>
53 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
54 instead of TYPE_MODE to deal with calls from expand_one_error_var.
56 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
58 * gcse.c (cprop_jump): Call validate_unshare_change instead of
59 validate_change to unshare the source of the PC set.
61 2008-01-12 Jan Hubicka <jh@suse.cz>
64 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
65 references above array bounds. This might trigger bounds checks for
68 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
70 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
71 new_replaceable_dependencies.
73 2008-01-12 Doug Kwan <dougkwan@google.com>
75 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
76 instead of OPT_Wreturn_type in warning due to ignored return type
78 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
79 options included in -Wextra.
80 * c.opt: New option -Wignored_qualifiers.
81 * doc/invoke.texi (Warning Options, -Wextra): Add new option
83 (-Wignored-qualifiers): Document.
84 (-Wreturn-type): Remove description of functionality now handled
85 by -Wignored-qualifiers.
87 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
90 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
91 NOP_EXPR if it is between integral types with the same precision.
93 2008-01-12 Jan Hubicka <jh@suse.cz>
96 * invoke.texi (max-inline-recursive-depth): Fix default value.
98 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
100 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
103 2008-01-11 Bob Wilson <bob.wilson@acm.org>
105 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
107 2008-01-11 James E. Wilson <wilson@specifix.com>
110 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
112 2008-01-11 Anatoly Sokolov <aesok@post.ru>
114 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
115 save/restore frame pointer register and don't use 'call-prologues'
116 optimization in function with "OS_task" attribute.
118 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
121 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
122 when copying to memory.
124 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
126 PR rtl-optimization/30905
127 * cfgcleanup.c: Include dce.h
128 (crossjumps_occured): New global variable.
129 (try_crossjump_bb): Exit loop after finding a fallthru edge.
130 If something changed, set crossjumps_occured to true.
131 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
132 Don't add/remove fake edges to exit here...
133 (cleanup_cfg): ...but do it here, when crossjumping.
134 Run a fast DCE when successful crossjumps occured in the latest
135 iteration of try_optimize_cfg.
137 2008-01-11 Richard Guenther <rguenther@suse.de>
139 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
140 (struct vn_unary_op_s): Likewise.
141 (vn_reference_insert): Free old reference on hash collision.
143 2008-01-10 Raksit Ashok <raksit@google.com>
145 PR rtl-optimization/27971
146 * combine.c (find_split_point): Split PLUS expressions which are
147 inside a MEM rtx, and whose first operand is complex.
149 2008-01-10 DJ Delorie <dj@redhat.com>
151 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
152 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
153 (m32c_hard_regno_ok): Call the underlying function.
155 2008-01-10 Richard Guenther <rguenther@suse.de>
158 * tree-cfg.c (tree_merge_blocks): Do not go through the
159 full-blown folding and stmt updating path if we just deal
160 with virtual operands.
161 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
162 test for abnormal SSA_NAMEs.
164 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
167 * reload.c (push_reload): Add assertions. All constants from
168 reg_equiv_constant should have been used for replacing the respective
170 (find_reloads_address): Invoke find_reloads_address_part for
171 constant taken from the reg_equiv_constant array.
173 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
175 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
176 field (valnum) the first in the struct. Replace bools with
179 2008-01-10 Richard Guenther <rguenther@suse.de>
181 PR tree-optimization/34651
182 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
183 types and ordering for masking and converting.
185 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
187 PR tree-optimization/34017
188 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
189 also for PHI_NODE expressions.
191 2008-01-09 Jan Hubicka <jh@suse.cz>
193 PR tree-optimization/34708
194 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
195 based on number of case labels.
196 (init_inline_once): Remove switch_cost.
197 * tree-inline.h (eni_weights_d): Remove switch_cost.
199 2008-01-09 Richard Guenther <rguenther@suse.de>
200 Andrew Pinski <andrew_pinski@playstation.sony.com>
203 * gimplify.c (gimplify_cond_expr): Do not create an addressable
204 temporary if an rvalue is ok or an lvalue is not required.
206 2008-01-09 Richard Guenther <rguenther@suse.de>
209 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
212 2008-01-09 Richard Guenther <rguenther@suse.de>
215 * tree.c (host_integerp): Check for sizetype only if the
216 type is an integer type.
218 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
221 * opts.c (decode_options): Disable inlining of functions called
222 once if not in unit-at-a-time mode.
224 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
226 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
228 2008-01-08 Richard Guenther <rguenther@suse.de>
231 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
232 out early if the result will be unused.
234 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
239 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
240 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
243 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
245 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
246 for vectorization tuned.
248 2008-01-08 Richard Guenther <rguenther@suse.de>
250 PR tree-optimization/34683
251 * tree-ssa-operands.c (operand_build_cmp): Export.
252 * tree-ssa-operands.h (operand_build_cmp): Declare.
253 * tree-vn.c (vuses_compare): Remove.
254 (sort_vuses): Use operand_build_cmp.
255 (sort_vuses_heap): Likewise.
256 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
257 to re-use old VEC if available. Do not sort already sorted VUSEs.
258 (vdefs_to_vec): Do not sort already sorted VDEFs.
260 2008-01-08 Jakub Jelinek <jakub@redhat.com>
263 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
265 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
268 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
269 limitations of reciprocal sequences on x86 targets.
271 2008-01-08 Richard Guenther <rguenther@suse.de>
273 PR tree-optimization/34683
274 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
276 2008-01-07 Jakub Jelinek <jakub@redhat.com>
279 * config/darwin.c (darwin_mergeable_string_section): Don't use
280 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
282 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
285 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
286 negxf2. Macroize expander using X87MODEF mode iterator. Change
287 predicates of op0 and op1 to register_operand.
288 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
289 expander using X87MODEF mode iterator. Change predicates of
290 op0 and op1 to register_operand.
291 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
292 corresponding patterns and macroize using MODEF macro. Change
293 predicates of op0 and op1 to register_operand and remove
294 "m" constraint. Disparage "r" alternative with "!".
295 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
296 macroize using X87MODEF macro. Change predicates of op0 and op1
297 to register_operand and remove "m" constraint. Disparage "r"
298 alternative with "!".
299 (absneg splitter with memory operands): Remove.
300 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
301 patterns and macroize using X87MODEF mode iterator.
302 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
303 Change predicate of op1 to register_operand.
304 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
307 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
309 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
311 2008-01-07 Richard Guenther <rguenther@suse.de>
313 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
316 2008-01-07 Richard Guenther <rguenther@suse.de>
318 PR tree-optimization/34683
319 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
320 VOPs of the needed size to save memory. Use VEC_quick_push
321 to save compile-time.
322 (vdefs_to_vec): Likewise.
324 2008-01-07 Sa Liu <saliu@de.ibm.com>
326 * config/spu/spu.md (divdf3): Genetate inline code for double
327 division. The implementation doesn't handle INF or NAN, therefore it
328 only applies when -ffinite-math-only is given.
330 2008-01-06 Paolo Carlini <pcarlini@suse.de>
333 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
334 * doc/cpp.texi ([Common Predefined Macros]): Document.
336 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
338 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
339 order to use commutative addition instead of subtraction.
341 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
342 Mircea Namolaru <namolaru@il.ibm.com>
343 Vladimir Yanovsky <yanov@il.ibm.com>
344 Revital Eres <eres@il.ibm.com>
346 PR tree-optimization/34263
347 * tree-outof-ssa.c (process_single_block_loop_latch,
348 contains_tree_r): New functions.
349 (analyze_edges_for_bb): Call process_single_block_loop_latch
350 function to empty single-basic-block latch block if possible.
352 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
354 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
356 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
358 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
360 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
362 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
364 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
366 2008-01-05 Jakub Jelinek <jakub@redhat.com>
368 PR tree-optimization/34618
369 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
372 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
375 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
376 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
377 Update copyright year.
379 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
380 Update copyright year.
381 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
384 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
386 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
387 edge does not point to current bb before changing need_assert.
389 2008-01-04 Richard Guenther <rguenther@suse.de>
392 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
393 for verifying purposes if they are is_gimple_min_invariant.
395 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
397 PR tree-optimization/34448
398 PR tree-optimization/34465
399 * gimplify.c (gimplify_init_constructor): Add new parameter
400 notify_temp_creation. Use it.
401 (gimplify_modify_expr_rhs): Take volatiles into account when
402 optimizing constructors.
403 Do not optimize constructors if gimplify_init_constructor will dump to
405 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
406 * gcc.c-torture/compile/pr34448.c: New.
408 2008-01-04 Jakub Jelinek <jakub@redhat.com>
410 PR gcov-profile/34609
411 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
412 return_slot if result is TREE_ADDRESSABLE.
414 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
416 * config/mips/mips.md (sqrt_condition): Tweak comment.
417 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
419 2008-01-03 Tom Tromey <tromey@redhat.com>
422 * c-common.c (c_type_hash): Handle VLAs.
424 2008-01-03 Jan Hubicka <jh@suse.cz>
426 PR tree-optimization/31081
427 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
428 0 when inlining and not inlining to first basic block.
429 (remap_decl): When var is initialized to 0, don't set default_def.
430 (expand_call_inline): Set entry_bb.
431 * tree-inline.h (copy_body_data): Add entry_bb.
433 2008-01-03 Jakub Jelinek <jakub@redhat.com>
436 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
439 PR tree-optimization/29484
440 * tree-inline.c (inline_forbidden_p_2): New function.
441 (inline_forbidden_p): Disallow inlining if some static var
442 has an address of a local LABEL_DECL in its initializer.
443 * doc/extend.texi (Labels as Values): Document &&foo behaviour
446 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
448 PR tree-optimization/34635
449 * tree-data-ref.c (add_other_self_distances): Make sure that the
450 evolution step is constant.
452 2008-01-03 Jakub Jelinek <jakub@redhat.com>
455 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
457 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
459 * tree-sra.c (scalarize_init): Insert the generate_element_init
460 statements after the generate_element_zero statements.
462 2008-01-02 Richard Guenther <rguenther@suse.de>
466 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
467 for very large number of operands instead of ICEing.
469 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
472 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
475 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
477 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
480 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
483 * tree-mudflap.c (mx_register_decls): Guard warning by
484 !DECL_ARTIFICIAL check.
486 2008-01-01 Jakub Jelinek <jakub@redhat.com>
488 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
489 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
490 sse5_perm<mode>): Fix constraints.