1 2010-04-13 Simon Baldwin <simonb@google.com>
3 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
5 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
7 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
8 rvalue on the RHS if the LHS is of a non-renamable type.
9 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
11 2010-04-13 Matthias Klose <doko@ubuntu.com>
13 * gcc.c (cc1_options): Handle -iplugindir before processing
14 the cc1 spec. Only add -iplugindir once.
15 (cpp_unique_options): Add -iplugindir option if -fplugin* options
17 * common.opt (iplugindir): Remove `Separate' property, initialize.
18 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
20 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
21 (distclean): Remove plugin dir.
22 * doc/invoke.texi: Document -iplugindir.
24 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
26 * doc/plugins.texi (Loading Plugins): Document short
28 (Plugin API): Mention default_plugin_dir_name function.
30 * gcc.c (find_file_spec_function): Add new declaration.
31 (static_spec_func): Use it for "find-file".
32 (find_file_spec_function): Add new function.
33 (cc1_options): Add -iplugindir option if -fplugin* options found.
35 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
37 * plugin.c (add_new_plugin): Updated comment, and handle short
39 (default_plugin_dir_name): Added new function.
41 * common.opt (iplugindir): New option to set the plugin
44 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
46 * config/i386/i386.md (any_rotate): New code iterator.
47 (rotate_insn): New code attribute.
49 (SWIM124): New mode iterator.
50 (<rotate_insn>ti3): New expander.
51 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
52 any_rotate code iterator.
53 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
54 using any_rotate code iterator and SWIM124 mode iterator.
55 (ix86_rotlti3): New insn_and_split pattern.
56 (ix86_rotrti3): Ditto.
57 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
58 ix86_rotl{di,ti}3 patterns.
59 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
60 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
61 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
62 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
63 code iterator and SWI mode iterator.
64 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
65 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
67 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
68 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
69 (bswap rotatert splitter): Add splitter.
70 (bswap splitter): Macroize splitter using any_rotate code iterator.
71 Add insn predicate to split only for TARGET_USE_XCHGB or when
72 optimizing function for size.
74 2010-04-12 Steve Ellcey <sje@cup.hp.com>
76 * config/pa/pa.c (emit_move_sequence): Remove use of
77 deleted variable flag_argument_noalias.
79 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
81 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
83 Add to unsupported targets list.
84 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
85 sparc*-sun-solaris2.[567]* from target lists.
86 * configure: Regenerate.
87 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
89 Remove Solaris 7 patch references.
90 (Specific, sparc-sun-solaris2.7): Removed.
91 (sparc-sun-solaris2*): Update Solaris 7 example.
92 (sparc64-*-solaris2*): Likewise.
94 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
96 * config.build (alpha*-dec-osf4*): Remove.
97 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
98 of obsolete configurations.
99 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
101 * config/alpha/t-osf4: Renamed to ...
102 * config/alpha/t-osf5: ... this.
103 * config/alpha/osf.h: Renamed to ...
104 * config/alpha/osf5.h: ... this.
105 Merged old osf5.h contents.
107 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
108 (EXTRA_SPECS): Removed.
109 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
110 reflect removal of Tru64 UNIX V4.0/V5.0 support.
113 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
115 * doc/contrib.texi (Contributors, Rainer Orth): Update.
117 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
120 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
121 __thiscall convention.
123 2010-04-12 Steve Ellcey <sje@cup.hp.com>
125 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
127 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
129 2010-04-12 Steve Ellcey <sje@cup.hp.com>
131 * function.c (assign_parms_initialize_all): Add unused attribute
134 2010-04-12 Richard Guenther <rguenther@suse.de>
136 * gsstruct.def (GSS_CALL): New.
137 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
138 * gimple.h: Include tree-ssa-alias.h.
139 (struct gimple_statement_call): New.
140 (union gimple_statement_struct_d): Add gimple_call member.
141 (gimple_call_reset_alias_info): Declare.
142 (gimple_call_use_set): New function.
143 (gimple_call_clobber_set): Likewise.
144 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
145 * gimple.c (gimple_call_reset_alias_info): New function.
146 (gimple_build_call_1): Call it.
147 * lto-streamer-in.c (input_gimple_stmt): Likewise.
148 * tree-inline.c (remap_gimple_stmt): Likewise.
149 (expand_call_inline): Remove callused handling.
150 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
151 * tree-dfa.c (dump_variable): Likewise.
152 * tree-parloops.c (parallelize_loops): Likewise.
153 * tree-ssa.c (init_tree_ssa): Likewise.
154 (delete_tree_ssa): Likewise.
155 * tree-flow-inline.h (is_call_used): Remove.
156 * tree-flow.h (struct gimple_df): Remove callused member.
157 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
158 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
159 (ref_maybe_used_by_call_p_1): Simplify.
160 (call_may_clobber_ref_p_1): Likewise.
161 * tree-ssa-structalias.c (compute_points_to_sets): Set
162 the call stmt used and clobbered sets.
163 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
164 (find_tail_calls): Verify the tail call.
166 2010-04-12 Richard Guenther <rguenther@suse.de>
168 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
169 single-iteration always-inline inlining.
170 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
171 (cgraph_decide_inlining): Do not handle always-inline specially.
172 (try_inline): Remove always-inline cycle detection special case.
173 Do not recurse on always-inlines.
174 (cgraph_early_inlining): Do not iterate if not optimizing.
175 (cgraph_gate_early_inlining): remove.
176 (pass_early_inline): Run unconditionally.
177 (gate_cgraph_decide_inlining): New function.
178 (pass_ipa_inline): Use it. Do not run the IPA inliner if
179 not inlining or optimizing.
180 (cgraph_decide_inlining_of_small_functions): Also consider
181 always-inline functions.
182 (cgraph_default_inline_p): Return true for nodes which should
183 disregard inline limits.
184 (estimate_function_body_sizes): Assume zero size and time for
185 nodes which are marked as disregarding inline limits.
186 (cgraph_decide_recursive_inlining): Do not perform recursive
187 inlining on always-inline nodes.
189 2010-04-12 Jakub Jelinek <jakub@redhat.com>
192 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
193 for exprs satisfying handled_component_p.
195 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
197 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
198 non-constant aggregate elements.
200 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
201 is a real initialization.
203 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
206 * c-decl.c (start_function): Move forward check for nested function.
208 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
210 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
211 * config/sh/sh.c: Include reload.h.
212 (sh_legitimize_reload_address): New.
213 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
214 sh_legitimize_reload_address.
216 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
218 * config/sh/sh.md (*movqi_pop): New insn pattern.
219 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
221 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
223 * config/i386/i386.md (any_shiftrt): New code iterator.
224 (shiftrt_insn): New code attribute.
226 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
227 using any_shiftrt code iterator.
228 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
229 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
230 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
231 pattern from corresponding peephole2 patterns.
232 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
233 using any_shiftrt code iterator.
234 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
235 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
236 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
237 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
238 *{ashr,lshr}<mode>3_cmp_zext.
239 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
241 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
243 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
245 (*lshr<mode>3_cconly): Ditto.
247 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
249 * config/i386/i386.md (lshr<mode>3): Macroize expander from
250 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
251 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
252 pattern from *lshr{di,ti}3_1 and corresponding splitters using
254 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
255 from corresponding peephole2 patterns.
256 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
257 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
258 and *lshrdi3_1_rex64 using SWI mode iterator.
259 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
260 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
261 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
262 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
263 and *lshrdi3_cmp_rex64 using SWI mode iterator.
264 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
265 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
266 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
267 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
270 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
272 * config/i386/i386.md (ashr<mode>3): Macroize expander from
273 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
274 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
275 pattern from *ashr{di,ti}3_1 and corresponding splitters using
277 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
278 from corresponding peephole2 patterns.
279 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
280 (ashrsi3_cvt): Rename from ashrsi3_31.
281 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
282 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
283 and x86_64_shift_adj_3 using SWI48 mode iterator.
284 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
285 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
286 and *ashrdi3_1_rex64 using SWI mode iterator.
287 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
288 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
289 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
290 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
291 and *ashrdi3_cmp_rex64 using SWI mode iterator.
292 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
293 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
294 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
295 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
297 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
298 * config/i386/i386.c (ix86_split_ashr): Update for renamed
299 x86_shift<mode>_adj_3 expanders.
301 2010-04-10 Wei Guozhi <carrot@google.com>
304 * config/arm/arm.c (arm_pic_static_addr): New function.
305 (legitimize_pic_address): Call arm_pic_static_addr when it detects
307 (arm_output_addr_const_extra): Output expression for new pattern.
308 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
310 2010-04-10 Bernd Schmidt <bernd.schmidt@codesourcery.com>
312 * ira-costs.c (record_reg_classes): Ignore alternatives that are
315 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
316 * web.c: Include "insn-config.h" and "recog.h".
317 (union_match_dups): New function.
319 (union_defs): Don't try to recognize match_dups.
321 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
322 if doing so would replace the entire pattern.
324 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
328 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
329 and splitter pattern. Change splitter operand 1 predicate to
332 2010-04-09 Martin Jambor <mjambor@suse.cz>
334 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
335 lattices are addresses of CONST_DECLs with the same initial value.
336 (ipcp_print_all_lattices): Print values of CONST_DECLs.
337 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
339 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
340 Bernd Schmidt <bernd.schmidt@codesourcery.com>
342 * loop-invariant.c (replace_uses): New static function.
343 (move_invariant_reg): Use it to ensure we can replace the uses.
345 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
347 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
349 (picochip_override_options): Enable section anchors only above -O1.
350 (picochip_reorg): Fixed a couple of build warnings.
352 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
354 * configure.ac (plugin -rdynamic test): Log result.
355 * configure: Regenerate.
356 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
357 (RDYNAMIC_SPEC): Define.
358 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
360 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
362 * configure.ac: Determine Sun ld version numbers.
363 (comdat_group): Restrict GNU ld version checks to gld.
364 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
365 (enable_comdat): Support --enable-comdat.
366 * configure: Regenerate.
367 * doc/install.texi (Configuration): Document --enable-comdat.
369 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
371 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
372 * config/sol2-gld.h: ... here.
373 * config.gcc (sparc*-*-solaris2*): Reflect this.
374 (i[34567]86-*-solaris2*): Use it.
376 2010-04-09 Steve Ellcey <sje@cup.hp.com>
378 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
380 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
382 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
385 * diagnostic.c (diagnostic_initialize): Initialize
386 some_warnings_are_errors.
387 (diagnostic_finish): New.
388 (diagnostic_action_after_output): Call it before exiting.
389 (diagnostic_report_diagnostic): Do not print message here. Set
390 some_warnings_are_errors.
391 * diagnostic.h (diagnostic_context): Delete
392 issue_warnings_are_errors_message. Add some_warnings_are_errors.
393 (diagnostic_finish): Declare.
394 * toplev.c (toplev_main): Call it before exit.
396 2010-04-09 Jason Merrill <jason@redhat.com>
399 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
403 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
404 based on a warning flag.
406 2010-04-09 Richard Guenther <rguenther@suse.de>
408 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
410 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
413 * varasm.c (default_assemble_visibility): Wrap vars that are
414 set, but unused, by targets without GAS.
415 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
416 Remove set, but unused, vars.
417 (rs6000_legitimize_tls_address): Likewise.
418 (altivec_expand_dst_builtin): Likewise.
419 * config/darwin.c (machopic_classify_symbol): Likewise.
420 (machopic_indirection_name): Likewise.
422 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
424 * config/i386/i386.md (DWI): New mode iterator.
425 (S): New mode attribute.
426 (shift_operand): Ditto.
427 (shift_immediate_operand): Ditto.
428 (ashl_input_operand): Ditto.
429 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
430 using SDWIM mode iterator.
431 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
432 pattern from *ashl{di,ti}3_1 and corresponding splitters using
434 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
435 from corresponding peephole2 patterns.
436 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
437 and x86_64_shift_adj_1 using SWI48 mode iterator.
438 (x86_shift<mode>_adj_2): Ditto.
439 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
440 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
441 using SWI48 mode iterator.
442 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
443 *ashldi3_cmp_rex64 using SWI mode iterator.
444 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
445 *ashldi3_cconly_rex64 using SWI mode iterator.
446 * config/i386/i386.c (ix86_split_ashl): Update for renamed
447 x86_shift<mode>_adj_{1,2}.
448 (ix86_split_ashr): Ditto.
449 (ix86_split_lshr): Ditto.
451 2010-04-09 Richard Guenther <rguenther@suse.de>
453 * target.h (builtin_conversion): Pass in input and output types.
454 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
455 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
456 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
457 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
459 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
461 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
463 2010-04-09 Richard Guenther <rguenther@suse.de>
466 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
468 2010-04-09 Richard Guenther <rguenther@suse.de>
470 * tree-vectorizer.h (struct _stmt_vec_info): Document
471 that vectype is the type of the LHS.
472 (supportable_widening_operation, supportable_narrowing_operation):
473 Get both input and output vector types as arguments.
474 (vect_is_simple_use_1): Declare.
475 (get_same_sized_vectype): Likewise.
476 * tree-vect-loop.c (vect_determine_vectorization_factor):
477 Set STMT_VINFO_VECTYPE to the vector type of the def.
478 (vectorizable_reduction): Adjust.
479 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
480 Adjust. Specify the output vector type.
481 (vect_pattern_recog_1): Adjust.
482 * tree-vect-stmts.c (get_same_sized_vectype): New function.
483 (vectorizable_call): Adjust.
484 (vectorizable_conversion): Likewise.
485 (vectorizable_operation): Likewise.
486 (vectorizable_type_demotion): Likewise.
487 (vectorizable_type_promotion): Likewise.
488 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
490 (vect_is_simple_use_1): New function.
491 (supportable_widening_operation): Get both input and output
493 (supportable_narrowing_operation): Likewise.
494 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
496 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
498 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
499 __thiscall and _thiscall as predefined macros.
500 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
501 thiscall attribute handling.
502 (ix86_comp_type_attributes): Likewise.
503 (ix86_function_regparm): Likewise.
504 (ix86_return_pops_args): Likewise.
505 (init_cumulative_args): Likewise.
506 (find_drap_reg): Likewise.
507 (ix86_static_chain): Likewise.
508 (x86_this_parameter): Likewise.
509 (x86_output_mi_thunk): Likewise.
510 (ix86_attribute_table): Add description for thiscall attribute.
511 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
512 * doc/extend.texi: Add documentation for thiscall.
514 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
517 * c.opt (Wint-to-pointer-cast): Available in C++.
518 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
520 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
522 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
523 * calls.c (expand_call): Pass the function type to aggregate_value_p.
524 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
525 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
526 function type instead. Reorder and simplify checks.
528 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
530 2010-04-08 Jing Yu <jingyu@google.com>
531 Zdenek Dvorak <ook@ucw.cz>
533 PR tree-optimization/42720
534 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
535 loop unswitch conditions here from ...
536 (tree_unswitch_single_loop): ... here.
538 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
540 * tree-if-conv.c: Fix comments and simplify logic.
542 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
544 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
545 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
546 (main_tree_if_conversion): Update call to tree_if_conversion.
548 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
551 * doc/invoke.texi (-b,-V): Delete.
552 * doc/tm.texi: Do not mention -b.
553 * gcc.c (display_help): Delete -b and -V.
554 (process_command): Delete -b and -V.
555 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
557 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
558 Wolfgang Gellerich <gellerich@de.ibm.com>
560 Implement target hook for loop unrolling
561 * target.h (loop_unroll_adjust): Add a new target hook function.
562 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
563 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
564 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
565 (s390_loop_unroll_adjust): Implement the new target hook for s390.
566 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
568 (decide_unroll_stupid): Likewise.
570 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
573 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
575 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
577 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
578 (Specific, *-*-solaris2*): Likewise.
579 Don't prefer Sun as over GNU as.
581 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
583 * config/s390/s390.c (override_options): Adjust the z10
584 defaults for max-unroll-times, max-completely-peeled-insns
585 and max-completely-peel-times.
587 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
589 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
590 instructions for z10.
591 (s390_expand_setmem): Likewise.
592 (s390_expand_cmpmem): Likewise.
594 2010-04-08 Richard Guenther <rguenther@suse.de>
596 PR tree-optimization/43679
597 * tree-ssa-pre.c (eliminate): Only propagate copies.
599 2010-04-08 Jakub Jelinek <jakub@redhat.com>
602 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
603 set but not used variable warning.
605 2010-04-08 Wei Guozhi <carrot@google.com>
608 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
609 (arm_size_rtx_costs): Call the new function when optimized for size.
611 2010-04-08 Jakub Jelinek <jakub@redhat.com>
614 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
615 op0 is not a MEM, just return NULL instead of assertion
617 (discover_nonconstant_array_refs): Don't walk debug stmts.
619 2010-04-08 Doug Kwan <dougkwan@google.com>
621 * configure.ac: Recognize gold and do not use its version number
623 * configure: Regenerate.
625 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
628 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
629 (negate_value): Move code to push elements to broken_up_substracts ...
630 (eliminate_plus_minus_pair): ... here. Push operands that have no
631 negative pair to plus_negates.
632 (repropagate_negates, init_reassoc, fini_reassoc): Update.
634 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
636 * doc/install.texi (Configuration): Move description of
637 --enable-lto, --with-libelf*, --enable-gold from Java section to
640 * doc/generic.texi (Working with declarations)
641 (Function Properties, C and C++ Trees): Fix typos.
642 * doc/sourcebuild.texi (Top Level): Likewise.
644 2010-04-07 Jakub Jelinek <jakub@redhat.com>
647 * tree.h (DECL_READ_P): Define.
648 (struct tree_decl_common): Add decl_read_flag.
649 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
650 a set but not used warning.
651 (merge_decls): Merge DECL_READ_P flag.
652 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
653 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
654 * c-common.c (handle_used_attribute, handle_unused_attribute):
656 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
658 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
660 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
661 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
662 c_parser_binary_expression, c_parser_cast_expression,
663 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
664 Call default_function_array_read_conversion instead of
665 default_function_array_conversion where needed.
666 (c_parser_unary_expression, c_parser_conditional_expression,
667 c_parser_postfix_expression_after_primary, c_parser_initelt):
668 Likewise. Call mark_exp_read where needed.
669 (c_parser_statement_after_labels, c_parser_asm_operands,
670 c_parser_typeof_specifier, c_parser_sizeof_expression,
671 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
673 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
675 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
676 (warn_unused_but_set_parameter): Default to warn_unused
678 * doc/invoke.texi: Document -Wunused-but-set-variable and
679 -Wunused-but-set-parameter.
681 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
683 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
684 when operandN variables aren't used in the body of the expander
686 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
687 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
688 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
689 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
690 FOR_EACH_IMM_USE_ON_STMT): Likewise.
691 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
692 * tree.c (PROCESS_ARG): Likewise.
694 2010-04-07 Simon Baldwin <simonb@google.com>
696 * diagnostic.h (diagnostic_override_option_index): New macro to
697 set a diagnostic's option_index.
698 * c-tree.h (c_cpp_error): Add warning reason argument.
699 * opts.c (_warning_as_error_callback): New.
700 (register_warning_as_error_callback): Store callback for
701 warnings enabled via enable_warning_as_error.
702 (enable_warning_as_error): Call callback, minor code tidy.
703 * opts.h (register_warning_as_error_callback): Declare.
704 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
705 response to -Werror=.
706 (c_common_init_options): Register warning_as_error_callback in opts.c.
707 * common.opt: Add -Wno-cpp option.
708 * c-common.c (struct reason_option_codes_t): Map cpp warning
709 reason codes to gcc option indexes.
710 * (c_option_controlling_cpp_error): New function, lookup the gcc
711 option index for a cpp warning reason code.
712 * (c_cpp_error): Add warning reason argument, call
713 c_option_controlling_cpp_error for diagnostic_override_option_index.
714 * doc/invoke.texi: Document -Wno-cpp.
716 2010-04-07 Richard Guenther <rguenther@suse.de>
718 * ipa-reference.c (mark_load): Use get_base_address.
719 (mark_store): Likewise.
721 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
722 inserting GIMPLE_NOPs into the IL.
723 * tree-ssa-structalias.c (get_constraint_for_component_ref):
724 Explicitly strip handled components and indirect references.
726 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
727 folding address expressions.
728 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
729 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
730 operand_equal_p to compare decls.
731 (ptr_deref_may_alias_decl_p): Likewise.
732 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
733 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
734 Handle reversed comparison ops.
735 * tree-sra.c (asm_visit_addr): Use get_base_address.
736 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
737 * ipa-reference.c (mark_address): Use get_base_address.
739 2010-04-07 Richard Guenther <rguenther@suse.de>
741 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
742 Propagate constants everywhere.
744 2010-04-07 Jakub Jelinek <jakub@redhat.com>
747 * tree.c (MAX_INT_CACHED_PREC): Define.
748 (nonstandard_integer_type_cache): New array.
749 (build_nonstandard_integer_type): Cache results for precision
750 <= MAX_INT_CACHED_PREC.
752 2010-04-07 Richard Guenther <rguenther@suse.de>
754 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
755 -fargument-noalias-global, -fargument-noalias-anything): Remove.
756 * common.opt: Likewise.
757 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
758 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
759 (nonoverlapping_memrefs_p): Likewise.
760 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
761 * opts.c (common_handle_option): Handle OPT_fargument_alias,
762 OPT_fargument_noalias, OPT_fargument_noalias_anything and
763 OPT_fargument_noalias_global for backward compatibility.
765 2010-04-07 Richard Guenther <rguenther@suse.de>
767 PR tree-optimization/43270
768 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
769 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
770 * tree-ssa-pre.c (phi_translate_1): Adjust.
771 (fully_constant_expression): Split out vn_reference handling to ...
772 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
773 Fold reads from constant strings.
774 (vn_reference_lookup): Handle fully constant references.
775 (vn_reference_lookup_pieces): Likewise.
776 * Makefile.in (expmed.o-warn): Add -Wno-error.
778 2010-04-07 Martin Jambor <mjambor@suse.cz>
780 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
782 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
785 * gcc.c: Add -static-libstdc++ to list of recognized options.
787 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
789 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
791 2010-04-07 Richard Guenther <rguenther@suse.de>
794 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
795 bases build simple mem attributes to retain points-to information.
797 2010-04-07 Richard Guenther <rguenther@suse.de>
800 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
801 preserve points-to related information.
803 2010-04-07 Richard Guenther <rguenther@suse.de>
806 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
807 discard plain indirect references.
808 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
809 * tree.c (tree_nop_conversion): Likewise.
811 2010-04-07 Dodji Seketeli <dodji@redhat.com>
814 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
816 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
818 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
819 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
821 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
823 * tree-if-conv.c: Fix indentation and comments.
825 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
827 * tree-if-conv.c: Sort static functions in topological order.
829 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
831 * tree-if-conv.c: Fix indentation and comments.
833 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
836 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
837 lang_hooks.types.type_for_size instead of
838 build_nonstandard_integer_type.
839 When converting an unsigned type to signed, double its precision.
840 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
841 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
842 (graphite_create_new_loop_guard): When ub + 1 wraps around,
845 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
848 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
849 POINTER_PLUS_EXPR for pointer types.
851 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
854 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
855 * graphite-clast-to-gimple.c: Include langhooks.h.
856 (max_signed_precision_type): New.
857 (max_precision_type): Takes two types as arguments.
858 (precision_for_value): New.
859 (precision_for_interval): New.
860 (gcc_type_for_interval): New.
861 (gcc_type_for_value): New.
862 (gcc_type_for_clast_term): New.
863 (gcc_type_for_clast_red): New.
864 (gcc_type_for_clast_bin): New.
865 (gcc_type_for_clast_expr): Split up into several functions.
866 (gcc_type_for_clast_eq): Rewritten.
867 (compute_bounds_for_level): New.
868 (compute_type_for_level_1): New.
869 (compute_type_for_level): New.
870 (gcc_type_for_cloog_iv): Removed.
871 (gcc_type_for_iv_of_clast_loop): Rewritten.
872 (graphite_create_new_loop): Compute the lower and upper bound types
873 with gcc_type_for_clast_expr.
874 (graphite_create_new_loop_guard): Same.
875 (find_cloog_iv_in_expr): Removed.
876 (compute_cloog_iv_types_1): Removed.
877 (compute_cloog_iv_types): Removed.
878 (gloog): Do not call compute_cloog_iv_types.
879 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
881 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
882 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
883 (GBB_CLOOG_IV_TYPES): Removed.
885 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
887 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
888 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
889 (detect_commutative_reduction): Same.
891 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
893 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
894 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
896 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
897 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
898 (rewrite_commutative_reductions_out_of_ssa): Same.
899 * passes.c (execute_function_todo): Call verify_ssa for every pass
900 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
901 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
902 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
903 with an extra argument.
904 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
905 verify_ssa only when the extra argument is true.
906 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
907 with an extra argument.
908 (tree_transform_and_unroll_loop): Same.
910 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
912 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
913 for all the passes of the LNO having LOOP_CLOSED_SSA.
914 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
915 * tree-loop-distribution.c (pass_loop_distribution): Same.
916 * tree-pass.h (TODO_verify_loops): Removed.
917 * tree-ssa-loop.c (pass_tree_loop_init): Same.
919 (pass_tree_unswitch): Same.
920 (pass_predcom): Same.
921 (pass_vectorize): Same.
922 (pass_linear_transform): Same.
923 (pass_graphite_transforms): Same.
924 (pass_iv_canon): Same.
925 (pass_complete_unroll): Same.
926 (pass_complete_unrolli): Same.
927 (pass_parallelize_loops): Same.
928 (pass_loop_prefetch): Same.
929 (pass_iv_optimize): Same.
931 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
934 * passes.c (init_optimization_passes): Move pass_lim before
935 pass_copy_prop and pass_dce_loop.
937 2010-04-06 Jakub Jelinek <jakub@redhat.com>
940 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
941 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
942 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
943 MULTI_* defines for 4 argument vpermil2p* builtins.
945 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
947 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
948 * config/i386/i386.c (x86_maybe_negate_const_int): New.
949 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
950 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
951 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
952 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
953 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
954 Use x86_maybe_negate_const_int to output insn mnemonic.
955 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
956 check from instruction predicate. Update comments.
957 * config/i386/sync.md (sync_add<mode>): Use
958 x86_maybe_negate_const_int to output insn mnemonic.
960 2010-04-06 Jan Hubicka <jh@suse.cz>
962 PR tree-optimization/42906
963 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
964 IGNORE_SELF argument. Set visited_control_parents for fully
966 (find_obviously_necessary_stmts): Update call of
967 mark_control_dependent_edges_necessary.
968 (propagate_necessity): Likewise. Handle PHI edges more curefully.
970 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
972 * config/i386/i386.md: Remove comment about 'e' and 'E'
975 2010-04-06 Richard Guenther <rguenther@suse.de>
977 PR tree-optimization/43627
978 * tree-vrp.c (extract_range_from_unary_expr): Widenings
979 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
982 2010-04-06 Jakub Jelinek <jakub@redhat.com>
984 * BASE-VER: Change to 4.6.0.
987 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
990 2010-04-06 Richard Guenther <rguenther@suse.de>
993 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
995 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
997 * doc/invoke.texi (Optimize Options): Document that LTO
998 won't remove object access purely due to incompatible
1001 2010-04-04 Matthias Klose <doko@ubuntu.com>
1003 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1004 Initialize variable.
1006 2010-04-03 Richard Guenther <rguenther@suse.de>
1009 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1010 require a non-NULL MEM_OFFSET.
1012 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1014 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1015 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1016 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1017 config/alpha/predicates.md, config/arm/arm.md,
1018 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1019 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1020 config/darwin9.h, config/darwin.c, config/darwin.h,
1021 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1022 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1023 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1024 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1025 config/mips/mips.md, config/mn10300/mn10300.c,
1026 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1027 config/rs6000/aix.h, config/rs6000/dfp.md,
1028 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1029 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1030 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1031 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1032 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1033 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1034 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1035 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1036 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1037 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1038 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1039 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1040 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1041 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1042 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1043 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1044 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1045 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1046 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1047 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1048 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1049 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1050 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1051 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1052 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1053 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1054 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1055 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1056 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1057 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1058 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1059 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1060 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1061 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1062 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1063 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1065 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1068 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1069 * aclocal.m4: Regenerate.
1071 2010-04-02 Richard Guenther <rguenther@suse.de>
1073 PR tree-optimization/43629
1074 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1075 if we have seen a constant value.
1077 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1079 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1081 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1084 * arm.c (legitimize_tls_address): Adjust call to
1085 gen_tls_load_dot_plus_four.
1086 (arm_note_pic_base): New function.
1087 (arm_cannot_copy_insn_p): Use it.
1088 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1091 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1096 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1098 * Makefile.in ($(out_object_file)): Depend on
1099 gt-$(basename $(notdir $(out_file))).h.
1101 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1103 * config.gcc (lm32-*-rtems*): Add t-lm32.
1105 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1107 * config.gcc: Add lm32-*-rtems*.
1108 * config/lm32/rtems.h: New file.
1110 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1113 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1115 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1117 * dwarf2out.c (output_compilation_unit_header): For
1118 -gdwarf-4 use version 4 instead of version 3.
1119 (output_line_info): For version 4 and above emit additional
1120 maximum ops per insn header field.
1121 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1123 * dwarf2out.c (is_c_family, is_java): Remove.
1124 (lower_bound_default): New function.
1125 (add_bound_info, gen_descr_array_type_die): Use it.
1127 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1130 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1131 re-declaration when it happens in a function.
1133 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1135 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1136 (cgraph_remove_function_insertion_hook): Same.
1137 (cgraph_call_function_insertion_hooks): Same.
1139 2010-04-01 Richard Guenther <rguenther@suse.de>
1142 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1143 and TREE_THIS_VOLATILE.
1144 (copy_ref_info): Likewise.
1145 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1146 * tree.c (build6_stat): Ignore side-effects of all but arg5
1147 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1150 2010-04-01 Richard Guenther <rguenther@suse.de>
1152 PR tree-optimization/43607
1153 * ipa-type-escape.c (check_call): Do not access non-existing
1156 2010-04-01 Richard Guenther <rguenther@suse.de>
1160 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1161 Jack Howarth <howarth@bromo.med.uc.edu>
1163 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1166 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1168 * doc/install.texi (Prerequisites): Document libelf usability on
1169 IRIX 5/6 and Solaris 2.
1170 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1171 Update GNU as, GNU ld requirements.
1172 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1173 Document Sun Studio compiler download.
1174 Update and simplify as, ld recommendations.
1175 (Specific, *-*-solaris2.7): Note obsoletion, removal.
1177 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1179 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1180 with_tune_32 to pentium4.
1182 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
1184 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1186 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1188 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1189 obsoletion, removal.
1191 Document GNU as requirement.
1192 Update configure requirements.
1193 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1194 Recomment IRIX 6.5.18+.
1195 Document IDF/IDL requirement.
1196 Document GNU as requirement.
1197 Document GNU ld bootstrap failure.
1198 Remove freeware.sgi.com reference.
1200 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1202 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
1203 UNIX V4.0, V5.0 obsoletion, removal.
1204 Remove --with-gc=simple reference.
1205 Update VM requirements during bootstrap.
1206 Remove -oldas bootstrap description.
1207 Update binutils reference.
1208 Remove comparison failure note.
1210 2010-03-31 Richard Guenther <rguenther@suse.de>
1211 Zdenek Dvorak <ook@ucw.cz>
1212 Sebastian Pop <sebastian.pop@amd.com>
1215 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1216 with multiple arguments.
1217 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1219 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1221 * graphite-dependences.c (print_pddr): Call print_pdr with an
1223 * graphite-poly.c (debug_pdr): Add an extra argument for the
1226 (print_pbb_domain): Same.
1228 (print_scop_context): Same.
1230 (print_cloog): Same.
1231 (debug_pbb_domain): Same.
1235 (debug_scop_context): Same.
1237 (debug_cloog): Same.
1238 (print_scop_params): Same.
1239 (debug_scop_params): Same.
1240 (print_iteration_domain): Same.
1241 (print_iteration_domains): Same.
1242 (debug_iteration_domain): Same.
1243 (debug_iteration_domains): Same.
1244 (print_scattering_function): Same.
1245 (print_scattering_functions): Same.
1246 (debug_scattering_function): Same.
1247 (debug_scattering_functions): Same.
1248 * graphite-poly.h (debug_pdr): Update declaration.
1250 (print_pbb_domain): Same.
1252 (print_scop_context): Same.
1254 (print_cloog): Same.
1255 (debug_pbb_domain): Same.
1259 (debug_scop_context): Same.
1261 (debug_cloog): Same.
1262 (print_scop_params): Same.
1263 (debug_scop_params): Same.
1264 (print_iteration_domain): Same.
1265 (print_iteration_domains): Same.
1266 (debug_iteration_domain): Same.
1267 (debug_iteration_domains): Same.
1268 (print_scattering_function): Same.
1269 (print_scattering_functions): Same.
1270 (debug_scattering_function): Same.
1271 (debug_scattering_functions): Same.
1273 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1275 * graphite-poly.c (print_scattering_function_1): New.
1276 (print_scattering_function): Call it.
1277 (print_scop_params): Remove spaces at the end of lines.
1280 * graphite-poly.h (print_cloog): Declared.
1281 (debug_cloog): Declared.
1283 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1285 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1287 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1288 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1289 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1290 to switch between adding the IV bump in loop->latch or in loop->header.
1292 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1294 * graphite-poly.c (print_scattering_function): Pretty print following
1297 (print_pbb_domain): Same.
1298 (dump_gbb_cases): Same.
1299 (dump_gbb_conditions): Same.
1302 (print_scop_params): Same.
1303 (print_scop_context): Same.
1305 (print_pbb_body): New.
1306 (lst_indent_to): New.
1307 (print_lst): Start new lines with a #.
1308 * graphite-poly.h (pbb_bb): New.
1309 (pbb_index): Use pbb_bb.
1310 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1312 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1314 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1316 * dwarf2out.c (size_of_die): For -gdwarf-4 use
1317 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
1318 and 0 instead of 1 for dw_val_class_flag.
1319 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
1320 dw_val_class_range_list, dw_val_class_loc_list,
1321 dw_val_class_lineptr and dw_val_class_macptr, use
1322 DW_FORM_flag_present for dw_val_class_flag and
1323 DW_FORM_exprloc for dw_val_class_loc.
1324 (output_die): For -gdwarf-4 print dw_val_class_loc
1325 size as uleb128 instead of 1 or 2 bytes and don't print
1326 anything for dw_val_class_flag.
1328 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
1329 instead of cselib_lookup following by tweaking locs->setting_insn.
1332 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1333 even before returning from label, setjmp call or volatile asm
1336 2010-03-31 Richard Guenther <rguenther@suse.de>
1339 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1340 temporary data on stack.
1342 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1344 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1345 (PUSHSECTION_ASM_OP): Remove.
1346 (POPSECTION_ASM_OP): Remove.
1347 (PUSHSECTION_FORMAT): Remove.
1348 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1349 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1350 * config/sol2.c (solaris_output_init_fini): Use it.
1352 2010-03-31 Jie Zhang <jie@codesourcery.com>
1355 * opt-functions.awk (var_type_struct): Use signed char type
1356 for simple variables.
1358 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1360 * config/sol2.c: Include output.h.
1361 (solaris_assemble_visibility): New function.
1362 * config/t-sol2 (sol2.o): Add output.h dependency.
1363 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1364 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1367 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1370 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1371 V2SImode or XFmode on PRE_DEC.
1374 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1377 2010-03-31 Jie Zhang <jie@codesourcery.com>
1380 * reload.h (caller_save_initialized_p): Declare.
1381 * toplev.c (backend_init_target): Don't call
1382 init_caller_save but set caller_save_initialized_p to false.
1383 * caller-save.c (caller_save_initialized_p): Define.
1384 (init_caller_save): Check caller_save_initialized_p.
1385 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1387 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1390 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1391 and soft-fp/t-softfp to tmake_file.
1392 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1393 (LIBGCC2_TF_CEXT): Define.
1396 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1399 * cselib.c (n_useless_values): Document handling of debug locs.
1400 (n_useless_debug_values, n_debug_values): New variables.
1401 (new_elt_loc_list): Don't add to debug values, keep count.
1402 (promote_debug_loc): New.
1403 (cselib_reset_table): Zero new variables.
1404 (entry_and_rtx_equal_p): Promote debug locs.
1405 (discard_useless_locs): Increment n_useless_debug_values for
1407 (remove_useless_values): Adjust n_useless_values and n_debug_values
1408 with n_useless_debug_values.
1409 (add_mem_for_addr): Promote debug locs.
1410 (cselib_lookup_mem): Likewise.
1411 (cselib_lookup_addr): Renamed to...
1412 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1413 (cselib_log_lookup): ... this. Turn into...
1414 (cselib_lookup_addr): ... new wrapper.
1415 (cselib_lookup_from_insn): New.
1416 (cselib_invalidate_regno): Increment n_useless_debug_values for
1418 (cselib_invalidate_mem): Likewise.
1419 (cselib_process_insn): Take n_deleted and n_debug_values into
1420 account to guard remove_useless_value call.
1421 (cselib_finish): Zero n_useless_debug_values.
1422 * cselib.h (cselib_lookup_from_insn): Declare.
1423 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1424 (sched_analyze_2): Likewise.
1426 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1428 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1430 (adjust_mems): Replace narrowing SUBREG of expression containing
1431 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1432 with operations in the narrower mode.
1435 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1436 regs_invalidated_by_call instead all call_used_reg_set registers.
1438 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1441 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1442 pointer comparisons with types_compatible_p.
1443 * tree-vect-stmts.c (vectorizable_call): Same.
1444 (vectorizable_condition): Same.
1446 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1448 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1449 stack check if the mask would be zero.
1451 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1452 Jack Howarth <howarth@bromo.med.uc.edu>
1454 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1457 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1460 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1462 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1463 Include ___unordxf2 and ___unordtf2.
1464 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1467 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1469 * config/lm32/t-lm32: New file.
1470 * config.gcc: Use the above file when targetting lm32.
1472 2010-03-28 Duncan Sands <baldrick@free.fr>
1474 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1476 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1479 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1480 Improve vectorization cost model diagnostic.
1482 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1485 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1486 compute_data_dependences_for_loop returns false, early exit
1487 and output an extra diagnostic for the failed data reference
1490 2010-03-29 Richard Guenther <rguenther@suse.de>
1492 PR tree-optimization/43560
1493 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1494 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1496 2010-03-29 Jie Zhang <jie@codesourcery.com>
1499 * toplev.c (process_options): Set optimization_default_node
1500 and optimization_current_node.
1501 * opts.c (decode_options): Don't set optimization_default_node
1502 and optimization_current_node.
1504 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1506 * config/rtems.h: Abandon -qrtems_debug.
1508 2010-03-28 Jan Hubicka <jh@suse.cz>
1510 PR tree-optimization/43505
1511 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1512 map should not be copied.
1514 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1517 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1518 cdtors, set DECL_PRESERVE_P.
1519 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1522 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1524 PR tree-optimization/43528
1525 * stor-layout.c (place_field): Check that constant fits into
1526 unsigned HWI when skipping calculation of MS bitfield layout.
1528 2010-03-27 Jan Hubicka <jh@suse.cz>
1531 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1532 notice_global_symbol work.
1534 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1536 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1537 instead of dwarf2out_decl.
1538 (struct var_loc_node): Remove section_label field.
1539 (dwarf2out_function_decl): New function.
1540 (dwarf2out_var_location): Don't set section_label field.
1541 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1543 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1545 PR tree-optimization/43544
1546 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1547 First argument for builtin vectorized function hook is now a
1548 tree to be able to distinguish between machine specific and
1550 * targhooks.c (default_builtin_vectorized_function): Ditto.
1551 * targhooks.h (default_builtin_vectorized_function): Ditto.
1552 * target.h (struct gcc_target): Ditto.
1553 * tree-vect-stmts.c (vectorizable_function): Ditto.
1554 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
1555 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
1558 2010-03-26 Joseph Myers <joseph@codesourcery.com>
1561 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
1562 nested binding iff it is a FUNCTION_DECL.
1563 (store_parm_decls_newstyle): Pass nested=true to bind for
1564 FUNCTION_DECLs amongst parameters.
1566 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1568 * var-tracking.c (vt_expand_loc_callback): Don't run
1569 cselib_expand_value_rtx_cb in dummy mode if
1570 cselib_dummy_expand_value_rtx_cb returned false.
1572 * var-tracking.c (emit_note_insn_var_location): For one part
1573 notes with offset 0, don't add EXPR_LIST around the location.
1574 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
1575 add_location_or_const_value_attribute): Adjust for that change.
1578 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
1579 into first operand and location into second.
1580 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
1581 dw_cfi_oprnd_loc for DW_CFA_expression.
1582 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
1583 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
1584 assume first argument is regnum and second argument is location.
1586 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1589 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
1590 of scratch register to DImode. Split to DImode comparison operator.
1591 Use SImode subreg of scratch register in the multiplication.
1592 (*cmp_sadd_sidi): Ditto.
1593 (*cmp_ssub_si): Ditto.
1594 (*cmp_ssub_sidi): Ditto.
1596 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
1599 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
1600 Remove invalid assert and wrong comment.
1602 2010-03-26 Jakub Jelinek <jakub@redhat.com>
1605 * flags.h (final_insns_dump_p): New extern.
1606 * final.c (final_insns_dump_p): New variable.
1607 (rest_of_clean_state): Set it before -fdump-final-insns=
1608 dumping, clear afterwards.
1609 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
1610 MEM_ALIAS_SET on MEMs.
1612 2010-03-26 David S. Miller <davem@davemloft.net>
1614 * configure.ac: Fix sparc GOTDATA_OP bug check.
1615 * configure: Rebuild.
1617 2010-03-26 Alan Modra <amodra@gmail.com>
1619 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
1621 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1623 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
1624 TLS_SECTION_ASM_FLAG.
1626 2010-03-25 Jakub Jelinek <jakub@redhat.com>
1629 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
1630 Clear first_function_block_is_cold.
1633 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
1634 argument if the argument is truth_value_p.
1636 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
1638 * config/rs6000/constraints.md: Update copyright year for my changes.
1641 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
1642 used in reg+reg addressing, swap registers.
1644 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1647 * target.h (struct gcc_target): Add code_end hook.
1648 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
1650 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
1651 * toplev.c (compile_file): Call targetm.asm_out.code_end
1652 hook before unwind info/debug info output.
1653 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
1654 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
1655 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1656 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
1657 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
1658 * config/i386/i386.c (ix86_file_end): Renamed to...
1659 (ix86_code_end): ... this. Make static. Don't call
1660 file_end_indicate_exec_stack. Emit unwind info using
1661 final_start_function/final_end_function.
1662 (darwin_x86_file_end): Remove.
1663 (TARGET_ASM_CODE_END): Define.
1664 * config/i386/i386.h (TARGET_ASM_FILE_END,
1665 NEED_INDICATE_EXEC_STACK): Don't define.
1666 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
1667 (TARGET_ASM_FILE_END): Define to darwin_file_end.
1668 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
1669 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
1672 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
1673 at the beginning and final_end_function at the end.
1674 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
1676 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1678 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
1679 and Sun as TLS syntax.
1680 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
1681 * configure: Regenerate.
1682 * config.in: Regenerate.
1683 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
1684 (default_elf_asm_named_section): Use it.
1685 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
1686 (i386_output_dwarf_dtprel): Likewise.
1687 (output_addr_const_extra): Likewise.
1688 (output_pic_addr_const): Lowercase @GOTTPOFF.
1689 (output_addr_const_extra): Likewise.
1690 (output_pic_addr_const): Lowercase @GOTNTPOFF.
1691 (output_addr_const_extra): Likewise.
1692 (output_pic_addr_const): Lowercase @INDNTPOFF.
1693 (output_addr_const_extra): Likewise.
1694 (output_pic_addr_const): Lowercase @NTPOFF.
1695 (output_addr_const_extra): Likewise.
1696 (output_pic_addr_const): Lowercase @TPOFF.
1697 (output_addr_const_extra): Likewise.
1698 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
1699 (*tls_global_dynamic_64): Likewise.
1700 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
1701 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
1703 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
1704 (ASM_OUTPUT_TLS_COMMON): Use it.
1705 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
1708 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
1709 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
1710 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
1711 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
1712 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1713 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
1715 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1717 * config/i386/i386.c (override_options): Don't accept
1718 -mtls-dialect=sun any longer.
1719 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
1720 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
1721 (*tls_local_dynamic_base_32_sun): Likewise.
1722 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
1724 2010-03-24 Jakub Jelinek <jakub@redhat.com>
1727 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1728 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
1731 * ira.c (adjust_cleared_regs): New function.
1732 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
1736 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
1738 * expr.c (expand_expr_real): Restore previous
1739 curr_insn_source_location and curr_insn_block after
1740 expand_expr_real_1 call.
1741 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
1742 instead of expand_expr_real_1.
1744 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
1746 PR rtl-optimization/43413
1747 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
1750 2010-03-22 James E. Wilson <wilson@codesourcery.com>
1753 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
1754 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
1756 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
1758 * config/i386/i386.c (ix86_target_string): Add -mfma.
1759 Fix a typo in comment.
1761 2010-03-22 Mike Stump <mikestump@comcast.net>
1764 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1765 Don't overly align based upon packed packed fields.
1767 2010-03-22 Jason Merrill <jason@redhat.com>
1769 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
1770 Use () rather than [], and move before the element type.
1772 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1774 * doc/configfiles.texi (Configuration Files): Removed
1775 fixinc/Makefile*, intl/Makefile.*.
1776 * doc/makefile.texi: Fixed markup. Abstract from version
1777 control system used.
1778 (Makefile): Removed obsolete gcc/java/parse.y example.
1779 * doc/sourcebuild.texi: Likewise.
1780 (Top Level): Added config, gnattools, libdecnumber, libgcc,
1781 libgomp, libssp. Removed fastjar.
1782 (Miscellaneous Docs): Clarify location.
1783 Added COPYING3, COPYING3.LIB.
1784 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
1786 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1789 * config/i386/i386.c (x86_function_profiler)
1790 [!NO_PROFILE_COUNTERS]: Fix typo.
1791 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
1794 2010-03-22 Janis Johnson <janis187@us.ibm.com>
1795 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1797 * doc/sourcebuild.texi (Test Directives): Split into six
1798 subsections, with most of the current text in new subsections
1799 Directives, Selectors, and Final Actions.
1800 (Directives): Split list of test directives into multiple
1802 (Selectors): Describe use and syntax of selectors.
1803 (Effective-Target Keywords): Describe all existing keywords.
1804 (Add Options): Describe features for dg-add-options.
1805 (Require Support): Describe variants of dg-require-support.
1806 (Final Actions): Describe commands to use in dg-final.
1808 2010-03-22 Michael Matz <matz@suse.de>
1811 * recog.c (validate_replace_rtx_group): Replace also in
1812 REG_EQUAL and REG_EQUIV notes.
1814 2010-03-22 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/43390
1817 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
1818 sure vector extracts are type correct.
1820 2010-03-22 Richard Guenther <rguenther@suse.de>
1823 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
1824 x * sqrt (x) even when optimizing for size if the target
1825 has native support for sqrt.
1827 2010-03-22 Jakub Jelinek <jakub@redhat.com>
1829 * varasm.c (make_decl_rtl_for_debug): Also clear
1830 flag_mudflap for the duration of make_decl_rtl call.
1833 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
1834 locs from preserved VALUEs.
1836 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1839 * pa.md (movmemsi): Set align to one if zero.
1840 (movmemdi): Likewise.
1842 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
1845 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
1846 with their corresponding prologue pushes.
1848 2010-03-20 Andrew Pinski <pinskia@gmail.com>
1851 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
1852 at the begining or end.
1853 (spu_expand_epilogue): Likewise.
1855 2010-03-20 Richard Guenther <rguenther@suse.de>
1857 PR rtl-optimization/43438
1858 * combine.c (make_extraction): Properly zero-/sign-extend an
1859 extraction of the low part of a CONST_INT. Also handle
1862 2010-03-19 Mike Stump <mikestump@comcast.net>
1864 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
1865 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
1866 (override_options): Use SUBTARGET32_DEFAULT_CPU.
1868 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1871 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
1874 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
1876 PR rtl-optimization/42258
1877 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
1878 use that may match DEF.
1881 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
1882 the cost of loading the constant rather than assuming
1884 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
1885 outer code is AND, do the same tests as the andsi3 expander and
1886 return COSTS_N_INSNS (1) if and is cheap.
1888 * optabs.c (avoid_expensive_constant): Fix formatting.
1890 2010-03-19 Michael Matz <matz@suse.de>
1893 * attribs.c (decl_attributes): When rebuilding a function pointer
1894 type use the same qualifiers as the original pointer type.
1896 2010-03-19 Martin Jambor <mjambor@suse.cz>
1898 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
1899 and is_gimple_ip_invariant_address.
1901 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1904 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1906 * config/arm/arm.c (arm_override_options): Turn off
1907 flag_dwarf2_cfi_asm for AAPCS variants.
1909 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1912 * config/arm/arm.c (emit_multi_reg_push): Update comments.
1913 Use PRE_MODIFY instead of PRE_DEC.
1914 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
1915 (vfp_emit_fstmd): Likewise.
1917 2010-03-19 Michael Matz <matz@suse.de>
1920 * builtins.c (expand_builtin_interclass_mathfn,
1921 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
1924 2010-03-19 Richard Guenther <rguenther@suse.de>
1926 PR tree-optimization/43415
1927 * tree-ssa-pre.c (phi_translate): Split out worker to ...
1928 (phi_translate_1): ... this.
1929 (phi_translate): Move all caching here. Cache all NARY
1930 and REFERENCE translations.
1932 2010-03-19 David S. Miller <davem@davemloft.net>
1934 With help from Eric Botcazou.
1935 * config/sparc/sparc.c: Include dwarf2out.h.
1936 (emit_pic_helper): Delete.
1937 (pic_helper_symbol_name): Delete.
1938 (pic_helper_emitted_p): Delete.
1939 (pic_helper_needed): New.
1940 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
1941 (get_pc_thunk_name): New.
1942 (load_pic_register): Remove 'delay_pic_helper' arg. Use
1943 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
1944 Set pic_helper_needed to true. Don't call emit_pic_helper.
1945 (sparc_expand_prologue): Update load_pic_register call.
1946 (sparc_output_mi_thunk): Likewise.
1947 (sparc_file_end): Emit a hidden comdat symbol for the PIC
1948 thunk if possible. Output CFI information as needed.
1950 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1951 Jack Howarth <howarth@bromo.med.uc.edu>
1954 * config/i386/i386.h: Fix ABI on darwin x86-32.
1956 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
1958 * tree.h: Declare make_decl_rtl_for_debug.
1959 * varasm.c (make_decl_rtl_for_debug): New.
1960 * dwarf2out.c (rtl_for_decl_location): Call it.
1961 * cfgexpand.c (expand_debug_expr): Call it.
1963 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1966 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
1970 * var-tracking.c (vt_init_cfa_base): Do nothing if
1971 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
1973 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
1976 * var-tracking.c (canonicalize_vars_star): New.
1977 (dataflow_post_merge_adjust): Use it.
1979 2010-03-18 Jakub Jelinek <jakub@redhat.com>
1982 * var-tracking.c (non_suitable_const): New function.
1983 (add_uses): For DEBUG_INSNs with constants, don't record any
1984 value, instead just the constant value itself.
1985 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
1986 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1987 (emit_notes_in_bb): Likewise.
1988 (emit_note_insn_var_location): For onepart variables if
1989 cur_loc is a VOIDmode constant, use DECL_MODE.
1991 2010-03-18 Martin Jambor <mjambor@suse.cz>
1994 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1995 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1996 all non-clones. Moved call redirection...
1997 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1998 (cgraph_materialize_all_clones): Dispose of all
1999 combined_args_to_skip bitmaps.
2000 (verify_cgraph_node): Do not check for edges pointing to wrong
2001 nodes in inline clones.
2002 * tree-inline.c (copy_bb): Call
2003 cgraph_redirect_edge_call_stmt_to_callee.
2004 * ipa.c (cgraph_remove_unreachable_nodes): Call
2005 cgraph_node_remove_callees even when there are used clones.
2007 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2009 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2011 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2014 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2017 2010-03-18 Michael Matz <matz@suse.de>
2020 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2021 into sqrt(x) if we need to preserve signed zeros.
2023 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2024 Eric Botcazou <ebotcazou@adacore.com>
2026 PR rtl-optimization/43360
2027 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2028 note if we don't know its invariant status.
2030 2010-03-18 Michael Matz <matz@suse.de>
2032 PR tree-optimization/43402
2033 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2034 PHI chains of ssa names registered for update.
2036 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2039 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2040 non-offsettable and pre_modify update addressing.
2041 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2042 and "2" alternatives "#".
2043 (*movdd_softfloat32): Make all alternatives "#";
2044 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2045 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2046 (*movdf_softfloat32): Make all alternatives "#";
2047 (movdi): Use the new DIFD mode iterator to create a common splitter
2048 for movdi, movdf and movdd patterns.
2050 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2052 * common.opt (dumpdir): Remove redundant tab.
2054 2010-03-17 Martin Jambor <mjambor@suse.cz>
2056 PR tree-optimization/43347
2057 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2058 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2060 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2062 PR rtl-optimization/42216
2063 * regrename.c (create_new_chain): New function, broken out from...
2064 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2065 appending a use to an empty chain.
2066 (build_def_use): Remove previous changes that convert OP_INOUT to
2067 OP_OUT operands; instead detect the case where an OP_INOUT operand
2068 uses a previously untracked register and create an empty chain for it.
2070 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2072 * doc/extend.texi (Function Attributes): Rewrite unfinished
2073 sentence in ms_abi documentation.
2075 2010-03-17 Alan Modra <amodra@gmail.com>
2077 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2078 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2079 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2080 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2082 2010-03-16 Richard Henderson <rth@redhat.com>
2085 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2086 (lower_try_finally): Save and restore eh_seq around the expansion
2089 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2091 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2092 statements before splitting block.
2094 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2096 * doc/sourcebuild.texi (Testsuites): Fix markup.
2097 Use pathnames relative to gcc/testsuite.
2098 (Test Directives): Move description of how timeout is determined.
2099 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2100 (C Tests): Correct gcc.misc-tests directory.
2101 Framework tests now live in gcc.test-framework.
2103 2010-03-16 Richard Guenther <rguenther@suse.de>
2106 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2107 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2109 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2110 Alexandre Oliva <aoliva@redhat.com>
2112 PR tree-optimization/42917
2113 * lambda-code.c (remove_iv): Skip debug statements.
2114 (lambda_loopnest_to_gcc_loopnest): Likewise.
2115 (not_interesting_stmt): Debug statements are not interesting.
2117 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2121 * cselib.c (cselib_preserve_constants,
2122 cfa_base_preserved_val): New static variables.
2123 (preserve_only_constants): New function.
2124 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2125 clear its REG_VALUES. If cselib_preserve_constants, don't
2126 empty the whole hash table, but preserve there VALUEs with constants,
2127 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2128 (cselib_preserve_cfa_base_value): New function.
2129 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2130 (cselib_init): Change argument to int bitfield. Set
2131 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2133 (cselib_finish): Clear cselib_preserve_constants and
2134 cfa_base_preserved_val.
2135 * cselib.h (enum cselib_record_what): New enum.
2136 (cselib_init): Change argument to int.
2137 (cselib_preserve_cfa_base_value): New prototype.
2138 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2139 * dse.c (dse_step1): Likewise.
2140 * cfgcleanup.c (thread_jump): Likewise.
2141 * sched-deps.c (sched_analyze): Likewise.
2142 * gcse.c (local_cprop_pass): Likewise.
2143 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2144 If FN is non-NULL, call the callback always and whenever it returns
2145 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2146 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2147 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2148 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2149 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2150 * var-tracking.c: Include recog.h.
2151 (bb_stack_adjust_offset): Remove.
2152 (vt_stack_adjustments): Don't call it, instead just gather the
2153 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2154 (adjust_stack_reference): Remove.
2155 (compute_cfa_pointer): New function.
2156 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2157 (struct adjust_mem_data): New type.
2158 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2160 (get_address_mode): New function.
2161 (replace_expr_with_values): Use it.
2162 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2163 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2164 (adjust_sets): Remove.
2165 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2166 Use get_address_mode.
2167 (get_adjusted_src): Remove.
2168 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2169 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2170 (add_with_sets): Don't call adjust_sets.
2171 (fp_setter, vt_init_cfa_base): New functions.
2172 (vt_initialize): Change return type to bool. Move most of pool etc.
2173 initialization to the beginning of the function from end. Pass
2174 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2175 If !frame_pointer_needed, call vt_stack_adjustment before mos
2176 vector is filled, call vt_init_cfa_base if argp/framep has been
2177 eliminated to sp. If frame_pointer_needed and argp/framep has
2178 been eliminated to hard frame pointer, set
2179 hard_frame_pointer_adjustment and call vt_init_cfa_base after
2180 encountering fp setter in the prologue. For MO_ADJUST, call
2181 log_op_type before pusing the op into mos vector, not afterwards.
2182 Call adjust_insn before cselib_process_insn/add_with_sets,
2183 call cancel_changes (0) afterwards.
2184 (variable_tracking_main_1): Adjust for vt_initialize calling
2185 vt_stack_adjustments and returning whether it succeeded or not.
2187 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
2189 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2192 2010-03-15 Jakub Jelinek <jakub@redhat.com>
2194 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2196 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2197 drap_reg has not been set.
2199 2010-03-15 Michael Matz <matz@suse.de>
2202 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
2203 use it to expand block copies.
2204 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2205 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
2206 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
2208 2010-03-15 Richard Guenther <rguenther@suse.de>
2210 PR tree-optimization/43367
2211 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
2214 2010-03-15 Richard Guenther <rguenther@suse.de>
2216 PR tree-optimization/43317
2217 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
2219 2010-03-15 Martin Jambor <mjambor@suse.cz>
2221 PR tree-optimization/43141
2222 * tree-sra.c (create_abstract_origin): New function.
2223 (modify_function): Call create_abstract_origin.
2225 2010-03-15 Chris Demetriou <cgd@google.com>
2227 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
2230 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2233 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
2234 call insert_out_of_ssa_copy for default definitions.
2236 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2238 * graphite-clast-to-gimple.c (my_long_long): Defined.
2239 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
2240 * graphite-sese-to-poly.c (my_long_long): Defined.
2241 (scop_ivs_can_be_represented): Use it.
2243 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2245 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
2246 graphite-max-bbs-per-function, and loop-block-tile-size.
2247 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
2249 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
2251 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2253 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
2254 forward declaration.
2255 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
2256 (add_upper_bounds_from_estimated_nit): New.
2257 (build_loop_iteration_domains): Use it.
2259 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2261 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
2263 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2266 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2267 should be an INTEGER_CST. Also handle CASE_CONVERT.
2269 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2271 * graphite.c (graphite_initialize): To bound the number of bbs per
2272 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2273 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2274 * doc/invoke.texi: Document it.
2276 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2278 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2279 * graphite-sese-to-poly.h (build_poly_scop): Same.
2281 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2283 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2284 the number of parameters in the scop. Use as an upper bound
2285 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2286 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2287 * doc/invoke.texi: Document it.
2289 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
2291 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
2292 * doc/c-tree.texi: Remove.
2293 * doc/generic.texi: Merge c-tree.texi here.
2294 * doc/gccint.texi (Trees): Remove menu entry.
2295 (c-tree.texi): Remove @include.
2296 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
2297 * doc/languages.texi (Reading RTL): Ditto.
2299 2010-03-12 Steve Ellcey <sje@cup.hp.com>
2302 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
2304 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2307 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
2308 code added to work around reload clobbering CONST insns.
2310 2010-03-12 Jakub Jelinek <jakub@redhat.com>
2312 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
2313 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
2314 (cselib_preserve_only_values): Remove retain argument, don't
2315 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
2316 * cselib.h (cselib_preserve_only_values): Remove retain argument.
2317 * var-tracking.c (micro_operation): Move insn field before union.
2318 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
2319 (struct variable_tracking_info_def): Remove n_mos field, change
2320 mos into a vector of micro_operations.
2321 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
2322 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
2323 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
2324 changing into a vector.
2325 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
2326 come before all other uops generated by add_stores.
2327 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
2329 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2330 a vector. Run just one pass over the bbs instead of separate counting
2331 and computation phase.
2332 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2335 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2336 into *nonlocalized_list vector.
2337 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2338 even if origin is non-NULL.
2339 (gen_variable_die): Likewise.
2340 (process_scope_var): Don't change origin.
2341 (gen_decl_die): Likewise.
2342 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2343 before adding new edges instead of after it, fix moving over
2346 2010-03-11 David S. Miller <davem@davemloft.net>
2348 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2350 * configure: Rebuild.
2352 2010-03-11 Martin Jambor <mjambor@suse.cz>
2354 PR tree-optimization/43257
2355 * tree.c (assign_assembler_name_if_neeeded): New function.
2356 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2358 * tree.h (assign_assembler_name_if_neeeded): Declare.
2359 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2360 the function if needed.
2362 2010-03-11 Chris Demetriou <cgd@google.com>
2364 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2365 include/stdint-gcc.h, and include/stdint.h world-readable.
2367 2010-03-11 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/43255
2370 * tree-vrp.c (process_assert_insertions_for): Do not insert
2371 asserts for trivial conditions.
2373 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2375 PR tree-optimization/43280
2376 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2377 generation. Move calculation of size out of the if branch.
2378 (find_bswap): Modify compare number generation.
2380 2010-03-11 Richard Guenther <rguenther@suse.de>
2383 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2384 (input_gimple_stmt): Fixup handled component types during
2385 operand read. Also fix up decls in ADDR_EXPRs.
2387 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2389 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2390 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2392 2010-03-10 Jan Hubicka <jh@suse.cz>
2395 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2396 * varasm.c (get_variable_section): Don't do that here...
2397 (make_decl_rtl): ... and here.
2398 (do_assemble_alias): Produce decl RTL.
2399 (assemble_alias): Likewise.
2401 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2404 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2405 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2407 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2408 (based_loc_descr): Only express drap or vdrap regno based expressions
2409 using DW_OP_fbreg when not optimizing.
2410 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2411 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2412 REG_CFA_SET_VDRAP note.
2414 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2416 PR tree-optimization/43236
2417 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2418 error in calculation of base address in reverse iteration case.
2419 (generate_builtin): Take number of latch executions if the statement
2422 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2425 * tree-eh.c: Include pointer-set.h.
2426 (lower_eh_dispatch): Filter out duplicate case labels and
2427 remove the unneeded edge when the label is unused. Return
2428 true when some edges are removed.
2429 (execute_lower_eh_dispatch): When any lowering resulted in
2430 removing an edge, also delete unreachable blocks.
2432 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2435 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2436 UNSPEC_MACHOPIC_OFFSET.
2438 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2441 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2442 (m68k_delegitimize_address): New function.
2444 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2447 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2450 * var-tracking.c (adjust_sets): New function.
2451 (count_with_sets, add_with_sets): Use it.
2452 (get_adjusted_src): New inline function.
2453 (add_stores): Use it.
2456 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2457 call cselib_dummy_expand_value_rtx_cb instead of
2458 cselib_expand_value_rtx_cb.
2461 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2462 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2463 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2464 and .cfi_endproc around the pic thunks.
2465 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2466 all queued unwind info register saves are saved before the call.
2467 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2468 considered as sp-=4 for unwind info and the pop as sp+=4 which
2469 also clobbers dest, but doesn't actually restore it.
2472 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2473 RTX_FRAME_RELATED_P.
2475 2010-03-09 Jie Zhang <jie@codesourcery.com>
2477 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2478 whitespaces in output template.
2480 2010-03-09 Jie Zhang <jie@codesourcery.com>
2482 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2485 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2487 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2488 builtins.exp in a separate job.
2490 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2492 * graphite-sese-to-poly.c (add_param_constraints): Use
2493 lower_bound_in_type and upper_bound_in_type.
2495 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2497 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2498 instead of unsigned_type_node.
2500 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2501 Reza Yazdani <reza.yazdani@amd.com>
2504 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2505 on pointer type parameters.
2507 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2511 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2512 handle conversions from pointer to integers.
2513 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2514 induction variable, to be able to work with code generated by CLooG.
2515 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2516 (build_poly_scop): Bail out if we cannot codegen a loop.
2518 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2520 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2521 code generation with gloog_error.
2523 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2525 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2526 Call fold_convert on all the returned values.
2527 (expand_scalar_variables_expr): Pass to
2528 expand_scalar_variables_ssa_name the type of the resulting expression.
2530 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2532 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2533 ppl_min_for_le_pointset.
2534 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2535 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2537 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2539 * graphite-dependences.c (map_into_dep_poly): Removed.
2540 (dependence_polyhedron_1): Use combine_context_id_scat.
2542 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2544 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2545 (struct poly_bb): Same.
2546 (combine_context_id_scat): New.
2548 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2551 * sese.c (name_defined_in_loop_p): Return false for default
2554 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2556 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
2557 and clean up the logic.
2559 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2561 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
2564 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2566 * var-tracking.c (remove_cselib_value_chains): Define only for
2568 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
2569 delete_slot_part, emit_notes_for_differences_1): Don't call
2570 remove_cselib_value_chains here.
2571 (set_slot_part, emit_notes_for_differences_2): Don't call
2572 add_cselib_value_chains here.
2573 (preserved_values): New vector.
2574 (preserve_value): New function.
2575 (add_uses, add_stores, vt_add_function_parameters): Use it
2576 instead of cselib_preserve_value.
2577 (changed_values_stack): New vector.
2578 (check_changed_vars_0): New function.
2579 (check_changed_vars_1, check_changed_vars_2): Use it.
2580 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
2581 changed_values_stack VALUEs.
2582 (vt_emit_notes): For all preserved_values call
2583 add_cselib_value_chains. If ENABLE_CHECKING call
2584 remove_cselib_value_chains before verifying value_chains is empty.
2585 Initialize and free changed_values_stack.
2586 (vt_initialize): Initialize preserved_values.
2587 (vt_finalize): Free preserved_values.
2589 2010-03-08 Richard Guenther <rguenther@suse.de>
2591 PR tree-optimization/43269
2592 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
2595 2010-03-08 Martin Jambor <mjambor@suse.cz>
2597 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
2598 (ipa_is_param_called): Removed.
2599 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
2600 (ipa_print_node_params): Do not print the called flag.
2601 (ipa_write_node_info): Do not stream the called flag.
2602 (ipa_read_node_info): Likewise.
2604 2010-03-07 Jakub Jelinek <jakub@redhat.com>
2607 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
2608 * cselib.c (struct expand_value_data): Add dummy field.
2609 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
2611 (cselib_dummy_expand_value_rtx_cb): New function.
2612 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
2614 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
2615 * var-tracking.c: Include pointer-set.h.
2616 (variable): Change n_var_parts to char from int. Add
2617 cur_loc_changed and in_changed_variables fields.
2618 (variable_canonicalize): Remove.
2619 (shared_var_p): New inline function.
2620 (unshare_variable): Maintain cur_loc_changed and
2621 in_changed_variables fields. If var was in changed_variables,
2622 replace it there with new_var. Just copy cur_loc instead of
2623 resetting it to something else.
2624 (variable_union): Don't recompute cur_loc. Use shared_var_p.
2625 (dataflow_set_union): Don't call variable_canonicalize.
2626 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
2627 of their DEBUG_EXPR_TREE_DECLs.
2628 (canonicalize_loc_order_check): Verify that cur_loc is NULL
2629 and in_changed_variables and cur_loc_changed is false.
2630 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
2631 and cur_loc_changed. Don't update cur_loc here.
2632 (variable_merge_over_src): Don't call variable_canonicalize.
2633 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
2634 removing loc that is equal to cur_loc, clear cur_loc,
2635 set cur_loc_changed and ensure variable_was_changed is called.
2636 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
2637 compare pointers in cur_loc check, if it is equal to loc,
2638 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
2639 (variable_different_p): Remove compare_current_location argument,
2640 don't compare cur_loc.
2641 (dataflow_set_different_1): Adjust variable_different_p caller.
2642 (variable_was_changed): If dv had some var in changed_variables
2643 already, reset in_changed_variables flag for it and propagate
2644 cur_loc_changed over to the new variable. On empty var
2645 always set cur_loc_changed. Set in_changed_variables on whatever
2646 var is added to changed_variables.
2647 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
2648 Use shared_var_p. When removing loc that is equal to cur_loc,
2649 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
2650 end, don't set it to something else, just call variable_was_changed.
2651 (delete_slot_part): Use shared_var_p. When cur_loc equals to
2652 loc being removed, clear cur_loc and set cur_loc_changed.
2653 Set cur_loc_changed if all locations have been removed.
2654 (struct expand_loc_callback_data): New type.
2655 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
2656 allocated. Always create SUBREGs if simplify_subreg failed.
2657 Prefer to use cur_loc, when that fails and still in
2658 changed_variables (and seen first time) recompute it. Set
2659 cur_loc_changed of variables which had to change cur_loc and
2660 compute elcd->cur_loc_changed if any of the subexpressions used
2661 had to change cur_loc.
2662 (vt_expand_loc): Adjust to pass arguments in
2663 expand_loc_callback_data structure.
2664 (vt_expand_loc_dummy): New function.
2665 (emitted_notes): New variable.
2666 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
2667 that weren't used for any other decl in current
2668 emit_notes_for_changes call call vt_expand_loc_dummy to update
2669 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
2670 first loc_chain location if NULL before. Always use just
2671 cur_loc instead of first loc_chain location. When cur_loc_changed
2672 is false, when not --enable-checking=rtl just don't emit any note.
2673 When rtl checking, compute the note and assert it is the same
2674 as previous note. Clear cur_loc_changed and in_changed_variables
2675 at the end before removing from changed_variables.
2676 (check_changed_vars_3): New function.
2677 (emit_notes_for_changes): Traverse changed_vars to call
2678 check_changed_vars_3 on each changed var.
2679 (emit_notes_for_differences_1): Clear cur_loc_changed and
2680 in_changed_variables. Recompute cur_loc of new_var.
2681 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
2682 (vt_emit_notes): Initialize and destroy emitted_notes.
2684 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
2686 PR rtl-optimization/42220
2687 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
2688 Use verify_reg_tracked to determine if we should use OP_OUT rather
2690 (build_def_use): If we see an in-out operand for a register that we
2691 know nothing about, treat is an output if possible, fail the block if
2694 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2697 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
2700 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2703 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
2704 uses of relevant DEFs that are dead outside the loop too.
2706 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
2708 * var-tracking.c (dataflow_set_merge): Swap src and src2.
2710 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2712 * var-tracking.c (values_to_unmark): New variable.
2713 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2714 values_to_unmark vector. Moved body to...
2715 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2716 instead queue it into values_to_unmark vector.
2717 (vt_find_locations): Free values_to_unmark vector.
2719 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
2721 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
2722 (site.exp): Export them when plugins are enabled.
2724 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
2727 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
2729 (chrec_fold_multiply): Same.
2731 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2734 * c-decl.c (build_compound_literal): Return early if init is
2737 2010-03-04 Martin Jambor <mjambor@suse.cz>
2739 PR tree-optimization/43164
2740 PR tree-optimization/43191
2741 * tree-sra.c (type_consists_of_records_p): Reject records with
2742 zero-size bit-fields at the end.
2744 2010-03-04 Mike Stump <mikestump@comcast.net>
2746 * Makefile.in (TAGS): Remove *.y.
2748 2010-03-04 Richard Guenther <rguenther@suse.de>
2750 PR tree-optimization/40761
2751 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
2753 (my_rev_post_order_compute): New function.
2754 (init_pre): Call it.
2756 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
2759 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
2760 decrease the cost of an IV candidate when the cost is infinite.
2762 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2764 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
2765 Use '3DNow!' for the extension of that name, ensure normal space
2767 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2769 2010-03-03 Jeff Law <law@redhat.com>
2771 * PR middle-end/32693
2772 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
2773 than gen_rtx_SUBREG.
2774 (extract_bit_field_1): Likewise.
2776 2010-03-03 Janis Johnson <janis187@us.ibm.com>
2778 * doc/sourcebuild.texi (Test directives): Document that arguments
2779 include-opts and exclude-opts are now optional for dg-skip-if,
2780 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
2782 2010-03-03 Jason Merrill <jason@redhat.com>
2785 * cgraph.h (varpool_node): Add extra_name field.
2786 * varpool.c (varpool_extra_name_alias): New.
2787 (varpool_assemble_decl): Emit extra name aliases.
2788 (varpool_mark_needed_node): Look past an extra name alias.
2789 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
2790 * lto-streamer-in.c (lto_input_tree): Read it.
2791 * lto-streamer-out.c (output_unreferenced_globals): Write it.
2793 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
2795 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
2796 (sparc*-*-solaris2*): ...this.
2798 2010-03-03 Jakub Jelinek <jakub@redhat.com>
2801 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
2802 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
2803 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
2804 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
2807 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
2808 fallthrough to default handling, just with want_address 0 instead of 2.
2809 For single element lists, add_AT_loc directly, otherwise create an
2810 artificial variable DIE and stick location list to it.
2813 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
2814 (VAL_EXPR_HAS_REVERSE): Define.
2815 (reverse_op): New function.
2816 (add_stores): For reversible operations add an extra MO_VAL_USE.
2818 2010-03-02 Jason Merrill <jason@redhat.com>
2820 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
2822 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
2824 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
2825 (sparc64-*-linux*): Likewise.
2826 (sparc64-*-solaris2*): Include assembler files before linker ones.
2827 (sparc-*-solaris2*): Simplify and reorder to match previous case.
2828 * config/sparc/gas.h: Delete.
2829 * config/sparc/sol2-64.h: Add copyright notice.
2830 * config/sparc/sol2-gas-bi.h: Likewise.
2831 * config/sparc/sol2-gld.h: Likewise.
2832 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
2833 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
2834 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
2835 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
2836 (sparc_elf_asm_named_section): Rename into...
2837 (sparc_solaris_elf_asm_named_section): ...this. Always define.
2839 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
2841 * config/alpha/alpha.c (override_options): Fix -mtune error message.
2843 2010-03-02 Jeff Law <law@redhat.com>
2846 * reload1.c (rtx_p, substitute_stack): Declare.
2847 (substitute): Record addresses of changed rtxs.
2848 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
2849 Restore the original rtx when complete.
2850 (reload): Free subsitute_stack when complete.
2852 2010-03-02 Janis Johnson <janis187@us.ibm.com>
2854 * doc/gccint.texi (menu): Add Testsuites as a chapter.
2855 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
2857 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
2858 LTO Testing, gcov Testing, profopt Testing, compat Testing,
2859 Torture Tests): Change from subsection to section.
2861 2010-03-02 Jakub Jelinek <jakub@redhat.com>
2862 Steven Bosscher <steven@gcc.gnu.org>
2864 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
2867 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
2870 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
2871 the assignment from the new induction variable to the assignment
2872 of the value from the original loop PHI function.
2874 2010-03-01 Janis Johnson <janis187@us.ibm.com>
2875 Daniel Jacobowitz <dan@codesourcery.com>
2877 * doc/sourcebuild.texi (Test directives): Clarify options to
2880 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2882 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
2883 Disable cfi directives unless GCC and gas agree on using read-only
2884 .eh_frame sections for 64-bit.
2885 * configure: Regenerate.
2887 2010-03-01 Richard Guenther <rguenther@suse.de>
2889 PR tree-optimization/43220
2890 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
2891 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
2893 2010-03-01 Richard Guenther <rguenther@suse.de>
2894 Martin Jambor <mjambor@suse.cz>
2897 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
2898 gimplified parameters.
2900 2010-03-01 Christian Bruel <christian.bruel@st.com>
2902 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
2904 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
2906 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
2908 2010-03-01 Richard Guenther <rguenther@suse.de>
2911 * expr.c (expand_assignment): Use the alias-oracle to tell
2912 if the rhs aliases the result decl.
2914 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2917 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
2918 to sol_gt_pch_get_address.
2919 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
2920 64-bit, SPARC and x86.
2921 (sol_gt_pch_get_address): New function.
2923 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
2925 * toplev.h (inform_n, error_n): Declare.
2926 * diagnostic.c (inform_n, error_n): New function.
2928 2010-03-01 Jakub Jelinek <jakub@redhat.com>
2930 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
2931 has no rtl yet when processing local_decls, queue it and recheck
2932 if deferred stack allocation hasn't assigned it rtl.
2934 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
2936 * config/sh/sh.c (unspec_bbr_uid): New.
2937 (gen_block_redirect): Use it instead of INSN_UID.
2938 (gen_far_branch): Likewise.
2940 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
2942 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
2943 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
2945 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2947 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
2948 (Warning Options): -Wno-conversion-null is valid for
2949 Objective-C++ as well.
2950 * doc/tm.texi (Named Address Spaces): Likewise.
2951 * doc/plugins.texi (Plugins): Replace TABs with spaces.
2952 * doc/tree-ssa.texi (Tree SSA): Likewise.
2954 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2957 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
2958 by default. Don't set the default arch for
2959 i[34567]86-*-darwin*|x86_64-*-darwin*.
2961 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2964 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
2965 default. Set the default 32bit/64bit archs with $with_arch
2966 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
2968 2010-02-27 Richard Guenther <rguenther@suse.de>
2970 PR tree-optimization/43186
2971 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
2972 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
2973 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
2974 unroller iterations.
2976 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
2978 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
2979 required and i[34567]86-*-* targets don't support 64bit ISA.
2981 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
2984 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2987 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2989 * config.gcc: Set the default arch at least to Prescott for
2990 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2991 if SSE math is enabled.
2993 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2995 * diagnostic.c (diagnostic_initialize): Update.
2996 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2998 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2999 (diagnostic_inhibit_notes): New.
3000 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3002 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3005 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3006 * doc/standards.texi: Likewise.
3007 * doc/extend.texi: Likewise.
3008 * doc/trouble.texi: Likewise.
3009 * doc/cppopts.texi: Likewise.
3010 * doc/install.texi: Likewise.
3011 * c.opt (std=c90,std=gnu90): New options.
3012 * c-opts.c (c_common_handle_option): Handle them.
3014 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3017 * c-decl.c (undeclared_variable): Use an informative note.
3019 2010-02-26 Richard Guenther <rguenther@suse.de>
3021 PR tree-optimization/43186
3022 * gimple.h (gimple_fold): Remove.
3023 * gimple.c (gimple_fold): Remove. Inline into single user ...
3024 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3025 Try harder for conditions.
3027 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3030 * function.c (used_types_insert): Don't skip through named pointer
3031 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3032 and it is different from the main variant's type.
3034 2010-02-26 Nick Clifton <nickc@redhat.com>
3036 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3038 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3040 * config.gcc: Support --with-fpmath=sse for x86.
3042 * config/i386/ssemath.h: New.
3044 * doc/install.texi (--with-fpmath=sse): Documented.
3046 2010-02-26 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/43188
3049 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3050 vector types of over-aligned element type.
3052 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3055 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3056 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3058 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3060 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3062 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3064 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3065 * var-tracking.c: Include diagnostic.h.
3066 (debug_dv): New function.
3067 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3070 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3071 (add_value_chain, add_value_chains, remove_value_chain,
3072 remove_value_chains): Handle DEBUG_EXPRs.
3073 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3076 * regcprop.c (struct queued_debug_insn_change): New type.
3077 (struct value_data_entry): Add debug_insn_changes field.
3078 (struct value_data): Add n_debug_insn_changes field.
3079 (debug_insn_changes_pool): New variable.
3080 (free_debug_insn_changes, apply_debug_insn_changes,
3081 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3082 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3083 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3085 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3087 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3088 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3089 changes, call cprop_find_used_regs via note_stores.
3090 (copyprop_hardreg_forward): When copying vd from predecessor
3091 which has any queued DEBUG_INSN changes, make sure the pointers are
3092 cleared. At the end call df_analyze and then if there are any
3093 DEBUG_INSN changes queued at the end of some basic block for still
3094 live registers, apply them.
3095 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3097 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3099 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3102 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3104 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3105 targets. Set the default with_cpu/with_arch from arch/cpu.
3106 Allow x86-64 and native for with_cpu/with_arch.
3108 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3110 * ebitmap.c: Change calls to verify_popcount with calls to
3111 sbitmap_verify_popcount.
3112 (ebitmap_clear_bit): Fixed map->cacheindex test and
3113 map>cache update when bit clearing results in an empty
3116 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3119 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3120 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3121 and support both V2DF and V2DI modes.
3122 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3123 support both V2DF and V2DI modes.
3124 (general): Delete trailing whitespace from a few patterns.
3126 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3127 V2DF/V2DI interleave high/low builtins.
3129 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3132 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3133 interleave high/low functions.
3135 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3137 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3138 #pragma extern_prefix.
3140 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3143 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3144 BLKmode, assert op0 is a MEM and just adjust its mode.
3147 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3148 if bitpos isn't multiple of mode's bitsize.
3150 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3152 * c.opt (-ftemplate-depth=): New.
3153 (-ftemplate-depth-): Deprecate.
3154 * optc-gen.awk: Handle -ftemplate-depth=.
3155 * opth-gen.awk: Likewise.
3156 * c-opts.c (c_common_handle_option): Likewise.
3157 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3159 2010-02-24 Jason Merrill <jason@redhat.com>
3161 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3163 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3165 * cfg.c (alloc_aux_for_block): Remove inline.
3166 (alloc_aux_for_edge): Likewise.
3168 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3170 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3172 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3174 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
3175 * config/i386/sol2-gas.h: New file.
3176 * config.gcc (i[34567]86-*-solaris2*): Use it.
3178 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3181 * c-typeck.c (ep_convert_and_check): New.
3182 (build_conditional_expr): Use it.
3183 (build_binary_op): Likewise.
3185 2010-02-24 Jakub Jelinek <jakub@redhat.com>
3187 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
3190 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
3191 bounds even for -O+.
3192 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
3193 expr needs to have DECL_NAME set.
3195 2010-02-24 Nick Clifton <nickc@redhat.com>
3197 * config/mep/mep.c: Include gimple.h.
3198 (mep_function_uses_sp): Delete unused function.
3199 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
3200 parameters. Use unsigned integers to count args. Return a
3201 NULL_RTX instead of an error_mark_node. Toidy up formatting.
3203 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3206 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
3207 greater or equal to nelt instead of 2 * nelt.
3208 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
3211 2010-02-23 Jason Merrill <jason@redhat.com>
3214 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
3215 in cfun->local_decls even if they have register types.
3218 * stor-layout.c (place_field): Don't warn about unnecessary
3219 DECL_PACKED if the type is packed.
3221 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3224 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
3225 GOTOFF relocs, even when the base reg isn't pic pointer.
3227 2010-02-23 Michael Matz <matz@suse.de>
3230 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
3231 (expand_gimple_basic_block): Generate and use debug temps if there
3232 are debug uses left after the last real use of TERed ssa names.
3233 Unlink debug immediate uses when they are expanded.
3235 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3238 * config/i386/i386.c (override_options): Reorganise to provide
3239 better error messages.
3241 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3244 * graphite-scop-detection.c (create_single_exit_edge): Move
3245 the call to find_single_exit_edge to....
3246 (create_sese_edges): ...here. Don't handle multiple edges
3247 exiting the function.
3248 (build_graphite_scops): Don't handle multiple edges
3249 exiting the function.
3251 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3254 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
3255 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
3257 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3260 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
3262 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3265 * c-typeck.c (convert_arguments): Print declaration location.
3266 * c-common.c (validate_nargs): Rename as
3267 builtin_function_validate_nargs.
3268 (check_builtin_function_arguments): Update.
3270 2010-02-22 Richard Guenther <rguenther@suse.de>
3273 * tree-inline.c (declare_return_variable): Use the type of
3274 the call stmt lhs if available.
3276 2010-02-22 Duncan Sands <baldrick@free.fr>
3278 * passes.c (register_pass): Always consider all pass lists when
3279 ref_pass_instance_number is zero.
3281 2010-02-22 Richard Guenther <rguenther@suse.de>
3283 PR tree-optimization/42749
3284 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
3285 parameter. Do arithmetic in the original type.
3286 (update_accumulator_with_ops): Likewise.
3287 (adjust_accumulator_values): Adjust.
3289 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3291 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
3292 (QI to BLKmode splitter): New splitter.
3294 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
3296 * config/i386/i386.c (initial_ix86_tune_features): Turn on
3297 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
3299 2010-02-22 Richard Guenther <rguenther@suse.de>
3301 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
3303 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
3305 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
3306 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
3307 ($(T)crti.o, $(T)crtn.o): Remove rules.
3309 2010-02-21 Tobias Burnus <burnus@net-b.de>
3312 * doc/invoke.texi (-fassociative-math): Document that this
3313 option is automatically enabled for Fortran.
3315 2010-02-20 David S. Miller <davem@davemloft.net>
3317 * configure.ac: Test if linker and assembler properly support
3318 GOTDATA_OP relocations.
3319 * configure: Rebuild.
3320 * config.in: Likewise.
3321 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
3322 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
3323 (movsi_high_pic): Likewise.
3324 (movdi_lo_sum_pic): Likewise.
3325 (movdi_high_pic): Likewise.
3326 (movsi_pic_gotdata_op): New pattern.
3327 (movdi_pic_gotdata_op): Likewise.
3328 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
3329 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3331 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3334 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3335 attribute to ssemul.
3336 (xop_mulv2div2di3_high): Ditto.
3338 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3341 * c.opt (Wconversion-null): New option.
3342 * doc/invoke.texi (Wconversion-null): Document.
3344 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3346 * common.opt (Wlarger-than-): Add Undocumented.
3348 2010-02-19 Mike Stump <mikestump@comcast.net>
3350 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3352 2010-02-19 Jason Merrill <jason@redhat.com>
3355 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3356 * configure: Likewise.
3358 2010-02-20 Alan Modra <amodra@gmail.com>
3361 * cgraph.h (cgraph_make_decl_local): Declare.
3362 * cgraph.c (cgraph_make_decl_local): New function.
3363 (cgraph_make_node_local): Use it.
3364 * cgraphunit.c (cgraph_function_versioning): Likewise.
3365 * ipa.c (function_and_variable_visibility): Likewise.
3367 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3370 * except.c (sjlj_emit_function_enter): Don't call
3371 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3373 * rtl.h (add_reg_br_prob_note): Remove prototype.
3375 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3378 * c-common.c (conversion_warning): Remove widening conversions
3379 before checking the conversion of integers to reals.
3381 2010-02-19 Mike Stump <mikestump@comcast.net>
3384 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3387 * cgraphunit.c (process_function_and_variable_attributes): Check
3388 DECL_PRESERVE_P instead of looking up attribute "used".
3389 * ipa-pure-const.c (check_decl): Likewise.
3390 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3391 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3392 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3393 instead of attribute "used".
3394 * config/sol2-c.c (solaris_pragma_init): Likewise.
3395 (solaris_pragma_fini): Likewise.
3397 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3399 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3400 Use XCNEW instead of xcalloc.
3401 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3402 XNEW instead of xmalloc.
3403 (get_fields): Use XNEWVEC instead of xmalloc.
3406 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3407 populate vars array.
3408 (create_new_general_access): For debug stmts just reset value.
3409 (get_stmt_accesses): For accesses within debug stmts just record them
3410 using add_access_to_acc_sites instead of preventing the peeling or
3411 counting them as accesses.
3414 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3416 2010-02-19 Richard Guenther <rguenther@suse.de>
3418 PR tree-optimization/42916
3419 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3422 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3424 * configure.ac: Replace all uses of changequote in macro arguments
3425 with proper quoting.
3427 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3430 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3432 2010-02-19 Richard Guenther <rguenther@suse.de>
3434 PR tree-optimization/42944
3435 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3436 test for aliasing with errno.
3438 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3441 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3442 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3443 * dojump.c: Include output.h.
3444 (inv): New inline function.
3445 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3446 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3447 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3448 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3449 argument, pass it down to other calls.
3450 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3451 add REG_BR_PROB note to the conditional jump.
3452 * cfgexpand.c (add_reg_br_prob_note): Removed.
3453 (expand_gimple_cond): Don't call it, add the probability
3454 as last argument to jumpif_1/jumpifnot_1.
3455 * Makefile.in (dojump.o): Depend on output.h.
3456 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3458 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3459 * stmt.c (do_jump_if_equal): Likewise.
3460 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3461 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3462 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3464 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3465 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3466 jumpifnot_1 callers.
3467 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3469 (store_expr): Adjust jumpifnot caller.
3470 (store_constructor): Adjust jumpif caller.
3473 * gimplify.c (gimple_boolify): For __builtin_expect call
3474 gimple_boolify also on its first argument.
3476 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3478 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3480 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3481 * configure: Regenerated.
3483 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3485 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3486 lang_hooks.types_compatible_p instead of comptypes.
3488 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3490 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3491 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3492 if __prefer_thumb__ is defined.
3494 2010-02-18 Martin Jambor <mjambor@suse.cz>
3496 PR tree-optimization/43066
3497 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3498 array with zero-sized element type.
3500 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3502 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3503 rtx, allocate struct var_loc_node here and return it to the
3504 caller, and only if it is actually needed.
3505 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3506 move it earlier and return immediately if it returns NULL.
3508 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3510 * config/sparc/gas.h: New file. Restore
3511 TARGET_ASM_NAMED_SECTION to its ELF default.
3512 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3514 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3515 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3516 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3517 after sparc/sysv4.h.
3519 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3521 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3523 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3525 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3526 patterns from predicated pattern.
3528 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3531 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3532 for insn mnemonic suffix.
3534 2010-02-17 Richard Guenther <rguenther@suse.de>
3536 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3539 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3542 * caller-save.c (save_call_clobbered_regs): If BB ends with
3543 a DEBUG_INSN, move any notes in between last real insn and the last
3544 DEBUG_INSN after the last DEBUG_INSN.
3546 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
3548 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
3549 Fix return type. Fix argument type. Explain meaning of return value.
3551 2010-02-16 Richard Guenther <rguenther@suse.de>
3553 PR tree-optimization/41043
3554 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
3555 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
3557 (vrp_visit_phi_node): ... but only for loop PHI nodes.
3559 2010-02-16 Ira Rosen <irar@il.ibm.com>
3561 PR tree-optimization/43074
3562 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
3563 * tree-vect-loop.c (vect_analyze_loop_operations): Add
3564 vectorizable cycles in hybrid SLP check.
3565 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
3567 2010-02-16 Richard Guenther <rguenther@suse.de>
3569 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
3570 (true_dependence): If memrefs_conflict_p computes must-alias
3571 trust it. Move TBAA check after offset-based disambiguation.
3572 (canon_true_dependence): Likewise.
3574 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
3576 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
3577 * doc/invoke.texi: Document it.
3578 * var-tracking.c: Include toplev.h and params.h.
3579 (vt_find_locations): Return bool indicating success. Compute
3580 hash sizes unconditionally. Check new parameter, report.
3581 (variable_tracking_main_1): Check vt_find_locations results and
3582 retry. Renamed from...
3583 (variable_tracking_main): ... this. New wrapper to preserve
3584 flag_var_tracking_assignments.
3585 * Makefile.in (var-tracking.o): Adjust dependencies.
3587 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
3588 Jakub Jelinek <jakub@redhat.com>
3591 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
3592 if weak_import attribute is present.
3593 * config/darwin.c (machopic_select_section): Likewise.
3595 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
3597 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
3598 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
3599 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
3600 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
3602 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
3604 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3607 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
3608 Rewrite text to refer to the names.
3610 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
3612 * config/i386/i386-builtin-types.def
3613 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
3614 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
3615 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
3616 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
3617 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
3618 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
3619 IX86_BUILTIN_VPERMIL2PS256.
3620 (MULTI_ARG_4_DF2_DI_I): Defined.
3621 (MULTI_ARG_4_DF2_DI_I1): Defined.
3622 (MULTI_ARG_4_SF2_SI_I): Defined.
3623 (MULTI_ARG_4_SF2_SI_I1): Defined.
3624 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
3625 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
3626 __builtin_ia32_vpermil2ps256.
3627 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3628 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3629 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
3630 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
3631 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
3632 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
3633 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
3634 CODE_FOR_xop_vpermil2v8sf3.
3635 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
3636 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
3637 * config/i386/xopintrin.h (_mm_permute2_pd): New.
3638 (_mm256_permute2_pd): New.
3639 (_mm_permute2_ps): New.
3640 (_mm256_permute2_ps): New.
3642 2010-02-15 Nick Clifton <nickc@redhat.com>
3644 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
3645 boolean parameters. Use emit_jump_insn when emitting a pop
3646 instruction containing a return insn.
3647 (push): Use 'true' rather than '1' as second parameter to F.
3648 (h8300_expand_prologue): Likewise.
3649 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
3650 (h8300_expand_epilogue): Likewise.
3652 2010-02-15 Richard Guenther <rguenther@suse.de>
3655 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
3658 2010-02-15 Nick Clifton <nickc@redhat.com>
3660 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
3663 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
3665 * intl.c (fake_ngettext): New function.
3666 * intl.h (fake_ngettext): Declare.
3667 (ngettext): Define macro.
3668 * collect2.c (notice_translated): New function.
3669 (main): Use notice_translated and ngettext.
3670 * collect2.h (notice_translated): Declare.
3672 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
3674 * reorg.c (delete_computation): Comment fixes.
3675 * caller-save.c (setup_save_areas): Idem.
3676 * sel-sched-dump.c (dump_lv_set): Idem.
3679 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3681 * config/s390/s390.c (s390_sched_init): New function.
3682 (TARGET_SCHED_INIT): Target hook defined.
3684 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
3685 Jack Howarth <howarth@bromo.med.uc.edu>
3686 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
3689 Partial revert of unintended change in fix for PR41605.
3690 * config/darwin.h: Fix typo.
3691 * config/darwin9.h: Same.
3693 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3695 * c-pch.c (pch_init): Clear v.
3697 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3700 * graphite-scop-detection.c (graphite_can_represent_scev): Call
3701 graphite_can_represent_init for MULT_EXPR.
3703 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3707 * graphite-sese-to-poly.c (remove_phi): New.
3708 (translate_scalar_reduction_to_array): Call remove_phi.
3710 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3713 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
3714 * graphite-clast-to-gimple.h (gloog): Update declaration.
3715 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
3716 * graphite-poly.h (struct poly_bb): Add missing comments.
3717 (struct scop): Add poly_scop_p field.
3719 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
3720 * graphite.c (graphite_transform_loops): Build the polyhedral
3721 representation for each scop before code generation.
3722 * sese.c (rename_variables_in_operand): Removed.
3723 (rename_variables_in_expr): Return the renamed expression.
3724 (rename_sese_parameters): New.
3725 * sese.h (rename_sese_parameters): Declared.
3727 2010-02-11 Richard Guenther <rguenther@suse.de>
3729 PR tree-optimization/42998
3730 * tree-ssa-pre.c (create_expression_by_pieces): Treat
3731 POINTER_PLUS_EXPR properly.
3733 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
3734 Changpeng Fang <changpeng.fang@amd.com>
3737 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
3738 the cost of an IV candidate when the IV is used in a test against zero.
3740 * gcc.dg/tree-ssa/ivopts-3.c: New.
3742 2010-02-11 Richard Guenther <rguenther@suse.de>
3745 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
3746 pointer-vs-decl case by swapping refs. Handle some cases
3747 of pointer-vs-decl disambiguations more conservatively.
3748 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
3749 to false after expanding.
3751 2010-02-11 Richard Guenther <rguenther@suse.de>
3754 * gcc.c (process_command): Handle LTO file@offset case more
3757 2010-02-11 Jakub Jelinek <jakub@redhat.com>
3759 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
3760 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
3762 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
3764 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
3765 if MEM's mode size isn't DWARF2_ADDR_SIZE.
3766 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
3767 Optimize eq/ne comparisons when both arguments are known to be
3769 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
3770 Don't mask operands unnecessarily if they are known to be already
3773 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
3775 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
3778 2010-02-10 Richard Guenther <rguenther@suse.de>
3780 PR tree-optimization/43017
3781 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
3782 for wrapping signed arithmetic.
3784 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3787 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
3788 if no debug info should be emitted for it.
3790 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
3792 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
3793 note when flag_exceptions is set.
3795 2010-02-10 Duncan Sands <baldrick@free.fr>
3797 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
3799 2010-02-10 Richard Guenther <rguenther@suse.de>
3802 * tree.c (get_unwidened): Handle constants.
3803 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
3805 2010-02-10 Martin Jambor <mjambor@suse.cz>
3808 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
3809 check for variable argument counts independently.
3811 2010-02-10 Christian Bruel <christian.bruel@st.com>
3814 * config/sh/sh.c (find_barrier): Increase length for non delayed
3815 conditional branches.
3817 2010-02-10 Christian Bruel <christian.bruel@st.com>
3819 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
3821 2010-02-10 Jakub Jelinek <jakub@redhat.com>
3823 * builtins.c (set_builtin_user_assembler_name): Also handle
3824 ffs if int is smaller than word.
3826 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
3829 * ira-conflicts.c (get_dup): Remove.
3830 (process_reg_shuffles): Add new parameter. Use it as an
3831 additional guard for copy generation.
3832 (add_insn_allocno_copies): Rewrite.
3834 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
3836 * common.opt (fsched2-use-traces): Preserved for backward
3838 * doc/invoke.texi: Remove the documentation about option
3839 -fsched2-use-traces.
3840 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
3841 flag_sched2_use_traces.
3842 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
3843 the backward compatibility flag section.
3845 2010-02-09 Richard Guenther <rguenther@suse.de>
3847 PR tree-optimization/43008
3848 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
3849 make HEAP variables initialized from global memory if they
3850 are not known builtin functions.
3851 (find_func_aliases): Adjust.
3853 2010-02-09 Richard Guenther <rguenther@suse.de>
3855 PR tree-optimization/43000
3856 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
3857 arithmetic manually.
3859 2010-02-08 Jakub Jelinek <jakub@redhat.com>
3861 PR tree-optimization/42931
3862 * tree-loop-linear.c (try_interchange_loops): Don't call
3863 double_int_mul if estimated_loop_iterations failed.
3865 2010-02-08 Martin Jambor <mjambor@suse.cz>
3868 * tree-sra.c (build_accesses_from_assign): Do not mark in
3869 should_scalarize_away_bitmap if stmt has volatile ops.
3870 (sra_modify_assign): Do not process assigns piecemeal if if stmt
3873 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
3875 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
3877 2010-02-07 Adam Nemet <adambnmet@gmail.com>
3879 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
3882 2010-02-07 Andrew Pinski <pinskia@gmail.com>
3885 * df-core.c (df_finish_pass): Change type of saved_flags to int.
3887 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3890 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
3891 to unknown_dependence.
3892 (graphite_legal_transform_dr): Handle the unknown_dependence.
3893 (graphite_carried_dependence_level_k): Same.
3895 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
3897 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
3899 2010-02-07 Richard Guenther <rguenther@suse.de>
3902 * expr.c (get_inner_reference): Always initialize *pbitsize.
3904 2010-02-07 Richard Guenther <rguenther@suse.de>
3907 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
3908 new ARRAY_REFs on variable size element or minimal index arrays.
3910 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
3911 gimple_fold_indirect_ref.
3913 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
3916 * arm.c (arm_override_options): Just return if the user has specified
3917 an invalid fpu name.
3919 2010-02-03 Jason Merrill <jason@redhat.com>
3922 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
3923 i386_pe_maybe_record_exported_symbol.
3925 2010-02-05 Steve Ellcey <sje@cup.hp.com>
3928 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3929 (pa_delegitimize_address): New function.
3931 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
3933 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
3934 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
3936 2010-02-05 Richard Guenther <rguenther@suse.de>
3939 * lto-streamer-in.c (get_resolution): Deal with references
3940 to undefined functions.
3942 2010-02-05 Richard Guenther <rguenther@suse.de>
3944 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
3945 (fold_const_aggregate_ref): Likewise.
3946 (ccp_fold_stmt): Substitute loads.
3947 (maybe_fold_reference): Verify types before substituting.
3949 (fold_gimple_assign): Unshare properly.
3950 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
3952 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
3954 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
3955 for rs6000_gen_cell_microcode.
3957 2010-02-04 Richard Guenther <rguenther@suse.de>
3959 PR rtl-optimization/42952
3960 * dse.c (const_or_frame_p): Remove MEM handling.
3962 2010-02-04 Nick Clifton <nickc@redhat.com>
3964 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
3965 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
3966 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
3967 (mn10300_asm_output_mi_thunk): New function.
3968 (mn10300_can_output_mu_thunk): New function.
3969 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
3970 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
3971 (FUNCTION_ARG): Delete incorrect comment.
3973 2010-02-03 Jason Merrill <jason@redhat.com>
3976 * fold-const.c (operand_equal_p): Handle erroneous types.
3978 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3980 * config/h8300/h8300.md (can_delay): Fix attibute condition.
3982 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
3984 PR rtl-optimization/42941
3985 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
3988 2010-02-03 Jason Merrill <jason@redhat.com>
3991 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
3993 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
3996 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
3997 (cselib_reset_table): Renamed from...
3998 (cselib_reset_table_with_next_value): ... this.
3999 (cselib_get_next_uid): Renamed from...
4000 (cselib_get_next_unknown_value): ... this.
4001 * cselib.c (next_uid): Renamed from...
4002 (next_unknown_value): ... this.
4003 (cselib_clear_table): Adjust.
4004 (cselib_reset_table): Adjust. Renamed from...
4005 (cselib_reset_table_with_next_value): ... this.
4006 (cselib_get_next_uid): Adjust. Renamed from...
4007 (cselib_get_next_unknown_value): ... this.
4008 (get_value_hash): Use hash.
4009 (cselib_hash_rtx): Likewise.
4010 (new_cselib_val): Adjust. Set and dump uid.
4011 (cselib_lookup_mem): Pass next_uid as hash.
4012 (cselib_subst_to_values): Likewise.
4013 (cselib_log_lookup): Dump uid.
4014 (cselib_lookup): Pass next_uid as hash. Adjust.
4015 (cselib_process_insn): Adjust.
4016 (cselib_init): Initialize next_uid.
4017 (cselib_finish): Adjust.
4018 (dump_cselib_table): Likewise.
4019 * dse.c (canon_address): Dump value uid.
4020 * print-rtl.c (print_rtx): Print value uid.
4021 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4023 (dv_uid): New function, sort of renamed from...
4024 (dv_htab_hash): ... this, reimplemented in terms of it and...
4025 (dv_uid2hash): ... this. New.
4026 (variable_htab_eq): Drop excess assertions.
4027 (tie_break_pointers): Removed.
4028 (canon_value_cmp): Compare uids.
4029 (variable_post_merge_New_vals): Print uids.
4030 (vt_add_function_parameters): Adjust.
4031 (vt_initialize): Reset table. Adjust.
4033 2010-02-03 Richard Guenther <rguenther@suse.de>
4035 PR tree-optimization/42944
4036 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4037 (call_may_clobber_ref_p_1): Likewise. Properly handle
4038 malloc and calloc clobbering errno.
4040 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4042 * doc/invoke.texi: Fix name of sched1 dump.
4044 * opts.c (decode_options): Set flag_tree_switch_conversion
4045 only conditionally on optimize >= 2.
4047 * gcse.c: Assorted comment fixes in pass description.
4049 2010-02-03 Anthony Green <green@moxielogic.com>
4051 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4052 nop padding in order to maintain alignment of storage location of
4053 target function address.
4054 (moxie_trampoline_init): Store target function address at newly
4056 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4058 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4060 2010-02-03 Richard Guenther <rguenther@suse.de>
4063 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4065 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4067 * config.gcc: Reenable check for obsolete targets.
4068 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4069 mips-sgi-irix6.[0-4]*.
4071 2010-02-02 Nick Clifton <nickc@redhat.com>
4073 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4074 constant size of 4 as being the same as 0.
4075 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4076 can take values in the range 0..4.
4078 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4081 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4082 as _darwin10_Unwind_FindEnclosingFunction().
4083 * libgcc-libsystem.ver: New.
4085 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4088 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4089 implicitly set registers.
4091 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4093 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4094 (arm_override_options): Allow automatic selection of the thread
4095 pointer register if thumb2.
4096 (legitimize_pic_address): Improve code sequences for Thumb2.
4097 (arm_call_tls_get_addr): Likewise.
4098 (legitimize_tls_address): Likewise.
4099 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4100 (pic_load_addr_32bit): ... this. New named pattern.
4101 * thumb2.md (pic_load_addr_thumb2): Delete.
4102 (pic_load_dot_plus_four): Delete.
4103 (tls_load_dot_plus_four): New named pattern.
4105 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4108 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4109 Document fix for TLS bug.
4111 2010-01-31 Richard Guenther <rguenther@suse.de>
4113 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4114 conservatively correct.
4116 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4120 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4122 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4124 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4126 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4128 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4130 * config.gcc: Adjust order of makefile fragments for mingw targets.
4132 2010-01-31 Richard Guenther <rguenther@suse.de>
4135 * gimplify.c (gimplify_init_constructor): For volatile LHS
4136 initialize a temporary.
4138 2010-01-31 Matthias Klose <doko@ubuntu.com>
4140 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4142 * configure: Regenerate.
4144 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4146 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4147 the same alias set and their sizes different constantness.
4148 (aliasing_component_refs_p): Revert 2009-10-24 change.
4150 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4152 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4155 2010-01-29 Richard Guenther <rguenther@suse.de>
4157 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4158 Assert we successfully updated the call.
4160 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4162 PR rtl-optimization/42889
4163 * df.h (df_set_bb_dirty_nonlr): New prototype.
4164 * df-core.c (df_set_bb_dirty_nonlr): New function.
4165 * df-scan.c (df_insn_rescan): Call it instead of
4166 df_set_bb_dirty for DEBUG_INSNs.
4168 2010-01-29 Richard Guenther <rguenther@suse.de>
4171 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
4172 quadratic behavior in most cases.
4174 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
4177 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
4178 in the call to gen_x86_movsicc_0_m1.
4180 2010-01-28 Richard Guenther <rguenther@suse.de>
4182 PR tree-optimization/42871
4183 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
4185 2010-01-28 Richard Guenther <rguenther@suse.de>
4187 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
4188 into call arguments.
4190 2010-01-28 Richard Guenther <rguenther@suse.de>
4193 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
4194 the forwarder if the destination is an EH landing pad.
4196 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
4198 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
4199 block list passed to gimple_duplicate_sese_tail.
4200 (parallelize_loops): Avoid parallelization when the function
4202 Avoid parallelization when the preheader is IRREDUCIBLE.
4203 Try to optimize when estimated_loop_iterations_int is unresolved.
4204 Add the loop's location to the dump file.
4205 * tree-cfg.c (add_phi_args_after_redirect): Remove.
4206 (gimple_duplicate_sese_tail): Remove the check for the latch.
4207 Redirect nexits to the exit block.
4208 Remove handling of the incoming edges to the latch.
4209 Redirect the backedge from the copied latch to the exit bb.
4211 2010-01-28 Michael Matz <matz@suse.de>
4214 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
4215 Wrap force_reg into a sequence, emit it before user.
4217 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
4219 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
4221 (arm_legacy_rev): Likewise.
4222 (thumb_legacy_rev): Likewise.
4224 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4226 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
4227 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
4228 on MEM's address failed, try avoid_constant_pool_reference and
4229 recurse if it returned something different.
4230 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
4231 address, try avoid_constant_pool_reference and recurse if it
4232 returned something different.
4233 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
4234 address and avoid_constant_pool_reference returned something
4235 different, don't set have_address.
4237 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
4240 * var-tracking.c (val_store): Add modified argument, obey it.
4242 (count_uses): Move down logging of main.
4243 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
4244 don't need resolution.
4245 (emit_notes_in_bb): Likewise.
4247 2010-01-27 Richard Guenther <rguenther@suse.de>
4250 * tree-inline.c (remap_decl): Delay remapping of SSA name
4251 default definitions until we need them.
4253 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4255 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4256 (rs6000_delegitimize_address): New function.
4258 * config/s390/s390.c (s390_delegitimize_address): Call
4259 delegitimize_mem_from_attrs.
4262 * tree-inline.c (cannot_copy_type_1): Removed.
4263 (copy_forbidden): Don't forbid copying of functions containing
4264 records/unions with variable length fields.
4266 2010-01-27 Christian Bruel <christian.bruel@st.com>
4270 * config/sh/sh.c (find_barrier): Increase length for non delayed
4271 conditional branches.
4273 2010-01-27 Matthias Klose <doko@ubuntu.com>
4275 * configure.ac (gnu-unique-object): Fix ldd version check.
4276 * configure: Regenerate.
4278 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4280 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
4282 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
4283 Test for HAVE_GNU_AS value.
4285 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4287 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
4288 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
4289 INT64_TYPE): Define.
4290 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
4291 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4292 INT_LEAST64_TYPE): Define.
4293 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
4294 UINT_LEAST64_TYPE): Define.
4295 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
4296 INT_FAST64_TYPE): Define.
4297 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4298 UINT_FAST64_TYPE): Define.
4299 (INTMAX_TYPE, UINTMAX_TYPE): Define.
4300 (INTPTR_TYPE, UINTPTR_TYPE): Define.
4301 (SIG_ATOMIC_TYPE): Define.
4303 2010-01-26 Richard Guenther <rguenther@suse.de>
4305 * df-scan.c (df_scan_set_bb_info): Remove assert.
4306 (df_insn_rescan_debug_internal): Merge asserts.
4307 (df_install_ref): Likewise.
4308 (df_mark_reg): Use bitmap_set_range.
4309 (df_hard_reg_used_p): Remove assert.
4310 (df_hard_reg_used_count): Likewise.
4312 2010-01-26 Richard Guenther <rguenther@suse.de>
4314 PR rtl-optimization/42685
4315 * web.c (web_main): Ignore DEBUG_INSNs.
4317 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
4319 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
4321 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
4322 Fix types of fndecl and arglist parameters.
4324 2010-01-26 Richard Guenther <rguenther@suse.de>
4327 * tree-eh.c (unsplit_eh): Skip debug insns.
4329 2010-01-26 Richard Guenther <rguenther@suse.de>
4331 PR tree-optimization/42250
4332 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
4334 2010-01-26 Jakub Jelinek <jakub@redhat.com>
4337 * omp-low.c (expand_omp_sections): Only use single_pred if
4338 l2_bb is single_pred_p.
4340 2010-01-25 Christian Bruel <christian.bruel@st.com>
4343 * config/sh/sh.c (find_barrier): Increase length for non delayed
4344 conditional branches.
4345 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4347 2010-01-24 David S. Miller <davem@davemloft.net>
4349 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
4350 define if not using GAS.
4351 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4352 Likewise. Delete SECTION_MERGE code, which is only applicable
4355 2010-01-24 Mark Mitchell <mark@codesourcery.com>
4358 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
4359 mangling of va_list in system headers.
4361 2010-01-23 Toon Moene <toon@moene.org>
4363 * tree-predcom.c (combine_chains): Return NULL, not false.
4365 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
4367 * tree-loop-distribution.c (distribute_loop): Fix declaration and
4368 initialization of variable res to agree with return type.
4370 2010-01-22 Steve Ellcey <sje@cup.hp.com>
4372 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
4373 * tree-sra.c: Add include of expr.h.
4375 2010-01-22 Jakub Jelinek <jakub@redhat.com>
4377 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
4378 insert the debug stmt on the single non-EH edge from the stmt.
4380 2010-01-22 Richard Henderson <rth@redhat.com>
4383 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
4384 the RHS until after generate_subtree_copies has insertted its
4385 code before the current statement.
4387 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
4389 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
4391 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
4393 2010-01-21 Martin Jambor <mjambor@suse.cz>
4395 PR tree-optimization/42585
4396 * tree-sra.c (struct access): New field grp_total_scalarization.
4397 (dump_access): Dump the new field.
4398 (should_scalarize_away_bitmap): New variable.
4399 (cannot_scalarize_away_bitmap): Likewise.
4400 (sra_initialize): Allocate new bitmaps.
4401 (sra_deinitialize): Free new bitmaps.
4402 (create_access_1): New function.
4403 (create_access): Parts moved to create_access_1.
4404 (type_consists_of_records_p): New function.
4405 (completely_scalarize_record): Likewise.
4406 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
4407 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
4408 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
4410 (analyze_all_variable_accesses): Completely scalarize small eligible
4413 2010-01-21 Martin Jambor <mjambor@suse.cz>
4415 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
4417 2010-01-21 Andrew Haley <aph@redhat.com>
4419 * gcc.c (process_command): Move lang_specific_driver before
4420 setting cc_libexec_prefix.
4422 2010-01-21 Richard Guenther <rguenther@suse.de>
4425 * fold-const.c (negate_expr_p): Pretend only negative
4426 real constants are easily negatable.
4428 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4429 Jason Merrill <jason@redhat.com>
4431 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4432 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4433 * calls.c (initialize argument_information): Handle it.
4434 * c-common.c (handle_transparent_union_attribute): Use new name.
4435 * c-decl.c (finish_struct): Ditto.
4436 * c-typeck.c (type_lists_compatible_p): Ditto.
4437 (convert_for_assignment): Use new name and also handle record.
4438 * function.c (aggregate_value_p): Handle it.
4439 (pass_by_reference): Ditto.
4440 (assign_parm_data_types): Ditto.
4441 * print-tree.c (print_node): Ditto.
4442 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
4443 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
4444 * tree.c (first_field): New fn.
4446 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4449 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
4450 even when linking statically, for now.
4452 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4455 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4456 without a cselib val.
4457 (count_uses): Accept MO_VAL_SET with no val on stores.
4458 (add_stores): Likewise.
4460 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4462 * var-tracking.c (check_value_val): Add a compile time assertion.
4463 (dv_is_decl_p): Simplify.
4464 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4465 gcc_assert if ENABLE_CHECKING.
4467 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4470 * var-tracking.c: Include tree-flow.h.
4471 (mem_dies_at_call): New.
4472 (dataflow_set_preserve_mem_locs): Use it.
4473 (dataflow_set_remove_mem_locs): Likewise.
4474 (dump_var): Renamed from dump_variable. Adjust all callers.
4475 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4476 * Makefile.in (var-tracking.o): Adjust deps.
4478 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4480 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
4482 2010-01-20 Richard Guenther <rguenther@suse.de>
4484 PR tree-optimization/42717
4485 * tree-ssa-dce.c (get_live_post_dom): Remove.
4486 (forward_edge_to_pdom): Take an arbitrary edge to copy
4487 degenerate PHI args from.
4488 (remove_dead_stmt): Use the first post-dominator even if it
4489 does not contain live statements as redirection destination.
4491 2010-01-20 Richard Guenther <rguenther@suse.de>
4493 * tree-inline.c (estimate_num_insns): Handle EH builtins.
4495 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4497 * sel-sched.c (create_speculation_check): Remove set but not used
4499 (try_transformation_cache): Remove set but not used variable ds.
4500 (calculate_privileged_insns): Remove set but not used variables
4501 cur_insn and min_spec_insn.
4502 (find_best_expr): Remove set but not used variable avail_n.
4503 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
4505 * cgraphunit.c (assemble_thunk): Remove set but not used variable
4507 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
4508 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
4511 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
4514 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
4515 cpu types. Add support for *-sse3 cpu types.
4516 (x86_64-*-*): Ditto.
4518 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4521 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
4522 argument, call initializer_constant_valid_p_1 instead of
4523 initializer_constant_valid_p, pass CACHE to it, return NULL
4524 immediately if first call returns NULL.
4525 (initializer_constant_valid_p_1): New function.
4526 (initializer_constant_valid_p): Use it.
4528 2010-01-20 Thomas Quinot <quinot@adacore.com>
4530 * tree.def (PLACEHOLDER_EXPR): Fix comment.
4532 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4534 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
4535 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
4536 (loc_list_from_tree): Don't handle unsigned division. Handle
4537 signed modulo using DW_OP_{over,over,div,mul,minus}.
4538 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
4539 modulo instead of signed.
4541 2010-01-20 DJ Delorie <dj@redhat.com>
4543 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
4545 (h8300_emit_stack_adjustment): Propogate it.
4547 (h8300_expand_prologue): Likewise.
4548 (h8300_expand_epilogue): Likewise.
4550 2010-01-19 Michael Matz <matz@suse.de>
4552 PR tree-optimization/41783
4553 * tree-data-ref.c (toplevel): Include flags.h.
4554 (dump_data_dependence_relation): Also dump the inputs if the
4555 result will be unknown.
4556 (split_constant_offset_1): Look through some conversions.
4557 * tree-predcom.c (determine_roots_comp): Restart a new chain if
4558 the offset from last element is too large.
4559 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
4560 (reassociate_to_the_same_stmt): Handle vector registers.
4561 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
4563 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
4564 wide_prolog_niters argument, emit widening instructions.
4565 (vect_do_peeling_for_alignment): Adjust caller, use widened
4566 variant of the iteration cound.
4567 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
4569 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4572 * config/arm/neon-testgen.m (emit_automatics): New parameter
4573 features. Adjust for Fixed_return_reg feature.
4574 (test_intrinsic): Call emit_automatics with new feature.
4575 * config/arm/neon.ml: Update copyright years.
4576 (features): New Fixed_return_reg feature.
4577 (ops): Update feature for Vget_low.
4579 2010-01-19 Jakub Jelinek <jakub@redhat.com>
4581 PR tree-optimization/42719
4582 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
4586 * fwprop.c (all_uses_available_at): Return false if def_set dest
4587 is a REG that is used in def_insn.
4589 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
4591 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
4593 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
4596 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
4598 * target.h (struct gcc_target) <secondary_reload>: Change type
4599 of last argument to secondary_reload_info *.
4601 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
4604 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
4605 memory references with unaligned offsets. Remove CQImode handling.
4606 (unaligned_memory_operand): Return 1 for memory references with
4607 unaligned offsets. Remove CQImode handling.
4609 2010-01-18 Richard Guenther <rguenther@suse.de>
4612 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
4615 2010-01-18 Richard Guenther <rguenther@suse.de>
4617 PR tree-optimization/42781
4618 * tree-ssa-structalias.c (find_what_var_points_to): Skip
4619 restrict processing only if the original variable was artificial.
4621 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
4623 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
4624 find number of popped argument bytes.
4626 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
4627 Fix the text that describes the return value for invalid insns.
4629 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
4631 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
4632 Clarify what 'cost of the -dependence' is. Fix quoting.
4634 * toplev.c (default_get_pch_validity): Rename argument to "sz".
4635 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
4637 2010-01-17 Jakub Jelinek <jakub@redhat.com>
4639 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4640 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
4642 2010-01-17 Richard Guenther <rguenther@suse.de>
4645 * function.c (split_complex_args): Take a VEC to modify.
4646 (assign_parms_augmented_arg_list): Build a VEC instead of
4647 a chain of PARM_DECLs.
4648 (assign_parms_unsplit_complex): Take a VEC of arguments.
4649 Do not fixup unmodified parms.
4650 (assign_parms): Deal with the VEC.
4651 (gimplify_parameters): Likewise.
4653 2010-01-17 Richard Guenther <rguenther@suse.de>
4655 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
4656 node existence check.
4657 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
4658 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
4659 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
4660 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
4661 (gimple_execute_on_growing_pred): Likewise.
4663 2010-01-17 Richard Guenther <rguenther@suse.de>
4665 PR tree-optimization/42773
4666 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
4667 (compute_antic_aux): Likewise.
4668 (compute_partial_antic_aux): Likewise.
4670 2010-01-17 Jie Zhang <jie.zhang@analog.com>
4673 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
4676 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
4678 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
4681 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
4682 Fix markup for strict argument.
4684 (TARGET_SCHED_REORDER2): Fix argument types.
4686 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
4687 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
4689 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
4690 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
4692 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
4695 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
4696 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
4697 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
4698 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
4699 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
4701 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
4703 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
4705 (TARGET_ASM_RELOC_RW_MASK): Add return type.
4706 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
4708 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
4710 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
4713 (TARGET_ASM_NAMED_SECTION): Fix argument list.
4715 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
4716 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
4718 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
4720 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
4722 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
4723 referring to it. Fix language.
4725 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
4727 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
4729 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
4731 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
4733 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
4734 '@var{stream}. Remove stray 'and'.
4736 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
4738 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
4740 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
4742 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
4743 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
4745 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
4746 Fix description of return value.
4747 Rename argument "sz" to "len."
4749 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
4750 Clarify meaning of 'true' return value.
4752 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
4754 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
4755 rep_mode versus mode_rep.
4757 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
4759 (TARGET_BUILTIN_DECL): Fix name.
4761 (TARGET_COMMUTATIVE_P): Fix type of first argument.
4763 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
4765 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
4767 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
4769 (TARGET_RELAXED_ORDERING): Use @deftypevr.
4771 (TARGET_GET_DRAP_RTX): Note that this is a hook.
4774 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
4775 Rename argument tm_fn to md_fn.
4777 (TARGET_OPTION_PRINT): Fix argument list.
4779 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
4782 * config/i386/i386.c (ix86_fixup_binary_operands):
4783 Revert FMA4 fixup of operands.
4785 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4788 * Makefile.in (write_entries_to_file, install-plugin):
4789 Use \012 instead of \n with tr.
4791 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
4793 * configure.ac (HAVE_AS_REF): New C macro.
4794 * configure: Regenerate.
4795 * config.in: Likewise.
4796 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
4798 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
4801 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
4803 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
4805 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
4807 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
4809 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
4811 (TARGET_IN_SMALL_DATA_P): Fix argument type.
4813 (TARGET_BINDS_LOCAL_P): Fix argument type.
4815 (TARGET_ASM_FILE_END): Use prototype.
4817 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
4819 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
4821 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
4823 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
4825 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
4826 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
4828 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
4829 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
4831 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
4832 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
4833 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
4834 (TARGET_ADDR_SPACE_CONVERT): Likewise.
4836 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
4838 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
4840 (TARGET_INIT_BUILTINS): Use prototype.
4842 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
4843 Put 'const char *' in braces. Fix parameter types.
4844 (TARGET_INVALID_CONVERSION): Fix parameter types.
4845 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
4846 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
4848 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
4851 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
4853 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
4855 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
4857 * doc/tm.texi (TARGET_HELP): Fix return type.
4859 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
4860 in braces. Fix argument types.
4862 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
4864 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
4866 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
4868 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
4869 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
4871 (TARGET_MANGLE_TYPE): Fix argument types.
4873 (TARGET_IRA_COVER_CLASSES): Use prototype.
4875 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
4877 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
4879 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
4881 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
4883 (TARGET_CALLEE_COPIES): Fix argument types.
4885 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
4887 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
4889 (TARGET_FUNCTION_VALUE): Fix argument types.
4891 (TARGET_RETURN_IN_MSB): Fix argument type.
4893 (TARGET_RETURN_IN_MEMORY): Fix argument types.
4895 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
4897 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
4899 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
4900 agree with return type.
4902 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
4904 2010-01-15 Jing Yu <jingyu@google.com>
4906 PR rtl-optimization/42691
4907 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
4908 a pseudo to a constant and are merged, and adjust comments.
4910 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
4912 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
4914 2010-01-15 Richard Guenther <rguenther@suse.de>
4917 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
4918 labels of computed or non-local gotos to the destination.
4919 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
4920 landing pad label is the first label.
4922 2010-01-15 Richard Guenther <rguenther@suse.de>
4924 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
4926 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
4929 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
4930 to allow generation of the xssqrtdp instruction on power7.
4931 (sqrtdf2_fpr): Ditto.
4933 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4936 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
4937 functions with noreturn attribute.
4940 * varasm.c (declare_weak): Add weak attribute to decl if it
4941 doesn't have one already.
4942 (assemble_external): Only add decls to weak_decls if they also
4943 have weak attribute.
4945 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
4947 * var-tracking.c (var_reg_delete): Don't delete the association
4948 between REGs and values or one-part variables if the register
4951 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4954 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
4955 because its first operand is a non-localized variable.
4957 2010-01-14 Martin Jambor <mjambor@suse.cz>
4959 PR tree-optimization/42706
4960 * tree-sra.c (encountered_recursive_call): New variable.
4961 (encountered_unchangable_recursive_call): Likewise.
4962 (sra_initialize): Initialize both new variables.
4963 (callsite_has_enough_arguments_p): New function.
4964 (scan_function): Call decl and flags check only for IPA-SRA, check
4965 whether there is a recursive call and whether it has enough arguments.
4966 (all_callers_have_enough_arguments_p): New function.
4967 (convert_callers): Look for recursive calls only when
4968 encountered_recursive_call is set.
4969 (ipa_early_sra): Bail out either if
4970 !all_callers_have_enough_arguments_p or
4971 encountered_unchangable_recursive_call.
4973 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4975 * sel-sched.c: Add 2010 to copyright years.
4976 * sel-sched-ir.c: Likewise.
4977 * sel-sched-ir.h: Likewise.
4979 2010-01-14 Martin Jambor <mjambor@suse.cz>
4981 PR tree-optimization/42714
4982 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
4983 constructors specially.
4985 2010-01-14 Andi Kleen <ak@linux.intel.com>
4987 * config/i386/drivers-i386.c (detect_caches_intel):
4988 Add l2sizekb parameter and fill in.
4989 (host_detect_local_cpu): Add l2sizekb, fill in.
4990 Add Atom small cache heuristic.
4992 2010-01-14 Andi Kleen <ak@linux.intel.com>
4994 * config/i386/drivers-i386.c (detect_caches_cpuid4):
4995 Add level3 parameter and fill in.
4996 (detect_caches_intel): Handle level3 cache.
4998 2010-01-14 Andi Kleen <ak@linux.intel.com>
5000 * config/i386/drivers-i386.c (host_detect_local_cpu):
5001 Fix core duo detection.
5003 2010-01-14 Andi Kleen <ak@linux.intel.com>
5005 * config/i386/drivers-i386.c (host_detect_local_cpu):
5008 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5010 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5011 (rs6000_variable_issue_1): this. Use...
5012 (rs6000_variable_issue): here. Reimplement. Print debug info.
5014 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5016 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5017 sel_restore_notes. Update all callers. Call reemit_notes
5020 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5022 PR rtl-optimization/42246
5023 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5026 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5028 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5029 all successors is the same as number of successors in current region.
5031 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5033 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5034 to rename is not separable. Otherwise check that its LHS is not NULL.
5036 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5038 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5040 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5042 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5043 available registers when failed to discover LHS register class.
5044 Fix indentation. Update comment.
5046 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5047 Alexander Monakov <amonakov@ispras.ru>
5049 PR rtl-optimization/42389
5050 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5052 (advance_state_on_fence): Likewise.
5053 (sel_target_adjust_priority): Print debug output only when
5054 sched_verbose >= 4, not 2.
5055 (get_expr_cost): Do not issue all unique insns on the next cycle.
5056 (fill_insns): Initialize can_issue_more from the value saved
5058 * sel-sched-ir.c (flist_add): New parameter issue_more.
5059 Init FENCE_ISSUE_MORE with it.
5060 (merge_fences): Likewise.
5061 (init_fences): Update call to flist_add.
5062 (add_to_fences, add_clean_fence_to_fences)
5063 (add_dirty_fence_to_fences): Likewise.
5064 (move_fence_to_fences): Update call to merge_fences.
5065 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5067 * sel-sched-ir.h (struct _fence): New field issue_more.
5068 (FENCE_ISSUE_MORE): New accessor macro.
5070 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5072 PR rtl-optimization/42388
5073 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5074 that have no predecessors nor successors. Do not call move_bb_info
5075 for empty blocks outside of current region.
5077 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5079 PR rtl-optimization/42294
5080 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5081 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5082 originators' originators.
5084 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5086 PR rtl-optimization/39453
5087 PR rtl-optimization/42246
5088 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5090 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5092 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5093 Alexander Monakov <amonakov@ispras.ru>
5096 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5097 (maybe_tidy_empty_bb): ... here. Make static. Add new
5098 argument. Update all callers.
5099 (tidy_control_flow): ... and here. Recompute topological order
5100 of basic blocks in region if necessary.
5101 (sel_redirect_edge_and_branch): Change return type. Return true
5102 if topological order might have been invalidated.
5103 (purge_empty_blocks): Export and move from...
5104 * sel-sched.c (purge_empty_blocks): ... here.
5105 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5106 (maybe_tidy_empty_bb): Delete prototype.
5107 (purge_empty_blocks): Declare.
5109 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5111 PR rtl-optimization/42249
5112 * sel-sched.c (try_replace_dest_reg): When chosen register
5113 and original register is the same, do not bail out early, but
5114 still check all original insns for validity of replacing destination
5115 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5118 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5121 Port from no-undefined-overflow branch:
5122 2009-03-09 Richard Guenther <rguenther@suse.de>
5124 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5126 2010-01-14 Richard Guenther <rguenther@suse.de>
5129 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5131 2010-01-14 Ira Rosen <irar@il.ibm.com>
5133 PR tree-optimization/42709
5134 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5135 as scalar type in creation of constant vector operand.
5137 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5140 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5141 (check-parallel-%): Match `testsuite' directory component only
5144 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5146 PR translation/39521
5147 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5150 2010-01-13 Richard Guenther <rguenther@suse.de>
5152 PR tree-optimization/42730
5153 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5156 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5159 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5160 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5163 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5165 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5166 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5167 ___umulsi3_highpart.
5169 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
5170 rather than schedule_insns if the pass is enabled.
5172 2010-01-13 Martin Jambor <mjambor@suse.cz>
5174 PR tree-optimization/42704
5175 * tree-sra.c (sra_modify_assign): Do not delete assignments to
5178 2010-01-13 Martin Jambor <mjambor@suse.cz>
5180 PR tree-optimization/42703
5181 * tree-sra.c (analyze_access_subtree): Check that we can build a
5182 reference to the original data within the aggregate.
5184 2010-01-13 Richard Guenther <rguenther@suse.de>
5186 PR tree-optimization/42705
5187 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
5189 2010-01-13 Richard Guenther <rguenther@suse.de>
5192 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
5194 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5197 * var-tracking.c (values_to_unmark): New variable.
5198 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5199 values_to_unmark vector. Moved body to...
5200 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5201 instead queue it into values_to_unmark vector.
5202 (vt_find_locations): Free values_to_unmark vector.
5204 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
5206 * config/s390/s390.c (override_options): Set
5207 default of max-pending-list-length to 256
5209 2010-01-13 Richard Guenther <rguenther@suse.de>
5212 * tree-pass.h (PROP_gimple_lcx): New.
5213 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
5214 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
5215 before the final cleanup_eh.
5216 (dump_properties): Dump PROP_gimple_lcx.
5217 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
5218 (tree_lower_complex_O0): Remove.
5219 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
5220 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
5221 tree_lower_complex, schedule TODO_update_ssa.
5222 * lto-streamer-out.c (output_function): Stream the functions
5224 * lto-streamer-in.c (input_function): Likewise.
5225 (lto_read_body): Do not override them here.
5227 2010-01-12 Joseph Myers <joseph@codesourcery.com>
5230 * c-typeck.c (build_c_cast): Fold value cast to union type before
5231 wrapping it in a CONSTRUCTOR.
5233 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5235 PR rtl-optimization/42699
5236 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
5239 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5241 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5242 SUBTARGET_WARN_UNUSED_SPEC): Move ...
5243 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5244 SUBTARGET_WARN_UNUSED_SPEC): ... here
5245 * config/mips/iris5.h (LIBGCC_SPEC): Define.
5247 2010-01-12 Julian Brown <julian@codesourcery.com>
5249 * config/arm/neon-schedgen.ml (Utils): Don't try to
5250 open missing module.
5251 (find_with_result): New.
5253 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5256 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
5257 sharing when canonicalizing ({lt,ge}u (plus a b) b).
5259 PR tree-optimization/42645
5260 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
5261 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
5262 decl_map, set processing_debug_stmt to -1 and return name without
5265 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
5267 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
5268 binutils version, and reword target configuration description.
5270 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5272 * config/avr/avr.h (LINKER_NAME): Remove.
5274 2010-01-11 Janis Johnson <janis187@us.ibm.com>
5277 * config/rs6000/rs6000.c (rs6000_override_options): On targets
5278 that support VSX, warn for -mno-altivec if vsx is not disabled,
5281 2010-01-11 Joseph Myers <joseph@codesourcery.com>
5282 Shujing Zhao <pearly.zhao@oracle.com>
5284 PR translation/42469
5285 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
5286 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
5287 character between option name and help text.
5288 * c.opt (imultilib): Likewise.
5290 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
5292 * lto-streamer-out.c (output_unreferenced_globals): Output static
5295 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
5297 PR rtl-optimization/42621
5298 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
5299 optimizing for size.
5300 (duplicate_computed_gotos): Remove now-redundant check.
5302 2010-01-10 Steve Ellcey <sje@cup.hp.com>
5305 * configure.ac: Save and restore LDFLAGS and LIBS
5306 * configure: Regenerate.
5308 2010-01-10 Richard Guenther <rguenther@suse.de>
5311 * builtins.c (fold_builtin_strlen): Add type argument and
5312 convert the resulting length to it.
5313 (fold_builtin_1): Adjust.
5315 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5317 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
5318 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
5320 (num_insns_constant_wide): Adjust for that change.
5322 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5325 * web.c (union_defs): Add used argument, to combine uses of
5327 (entry_register): Adjust type and tests of used argument.
5328 (web_main): Widen used for new use. Pass it to union_defs.
5329 * df.h (union_defs): Adjust prototype.
5331 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5334 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
5335 uses in new incoming argument. Free body.
5336 (reset_debug_uses_in_loop): New.
5337 (analyze_insn_to_expand_var): Call the latter if the former found
5338 anything. Fix whitespace. Reject invalid dest overlaps before
5339 going through all insns in the loop.
5341 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5344 * haifa-sched.c (dying_use_p): Debug insns don't count.
5346 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5349 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
5350 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
5351 (verify_gimple_call): Reject LHS in noreturn calls.
5353 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5357 * tree-vect-loop-manip.c (adjust_info): New type.
5358 (adjust_vec): New pointer to vector.
5359 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
5360 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
5361 (slpeel_update_phis_for_duplicate_loop): Use them.
5362 (slpeel_update_phi_nodes_for_guard1): Likewise.
5363 (slpeel_update_phi_nodes_for_guard2): Likewise.
5364 (slpeel_tree_peel_loop_to_edge): Likewise.
5365 (vect_update_ivs_after_vectorizer): Likewise.
5367 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5369 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
5370 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
5372 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5374 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
5375 bogus uninitialized warning.
5377 2010-01-09 Richard Guenther <rguenther@suse.de>
5380 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
5381 the evolution is compatible with the initial condition.
5383 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5385 * gcc.c (process_command): Update copyright notice dates.
5386 * gcov.c (print_version): Likewise.
5387 * gcov-dump.c (print_version): Likewise.
5388 * mips-tfile.c (main): Likewise.
5389 * mips-tdump.c (main): Likewise.
5391 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5394 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
5396 (rotlhi3_8): Delete.
5398 (rotlsi3_8): Delete.
5399 (rotlsi3_16): Delete.
5400 (rotlsi3_24): Delete.
5402 (*rotw<mode>3): New.
5403 (*rotb<mode>3): New.
5404 * config/avr/avr.c (avr_rotate_bytes): New function.
5405 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
5407 2010-01-08 Steve Ellcey <sje@cup.hp.com>
5410 * configure.ac: Modify -rdynamic check.
5411 * configure: Regenerate.
5413 2010-01-08 DJ Delorie <dj@redhat.com>
5415 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
5416 register popping order.
5418 2010-01-08 Richard Guenther <rguenther@suse.de>
5421 * c.opt (fsigned-char): Also let LTO handle this option.
5422 (funsigned-char): Likewise.
5424 2010-01-07 Richard Guenther <rguenther@suse.de>
5426 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
5427 (gimple_op): Likewise.
5428 (gimple_op_ptr): Likewise.
5429 (gimple_assign_set_lhs): Remove gcc_assert.
5430 (gimple_assign_set_rhs1): Likewise.
5431 (gimple_assign_set_rhs2): Likewise.
5432 (gimple_call_set_lhs): Likewise.
5433 (gimple_call_set_fn): Likewise.
5434 (gimple_call_set_fndecl): Likewise.
5435 (gimple_call_fndecl): Likewise.
5436 (gimple_call_return_type): Likewise.
5437 (gimple_call_set_chain): Likewise.
5438 (gimple_call_num_args): Likewise.
5439 (gimple_call_set_arg): Likewise.
5440 (gimple_cond_set_code): Likewise.
5441 (gimple_cond_set_lhs): Likewise.
5442 (gimple_cond_set_rhs): Likewise.
5443 (gimple_cond_set_true_label): Likewise.
5444 (gimple_cond_set_false_label): Likewise.
5445 (gimple_label_set_label): Likewise.
5446 (gimple_goto_set_dest): Likewise.
5447 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
5448 (gimple_debug_bind_get_value): Likewise.
5449 (gimple_debug_bind_get_value_ptr): Likewise.
5450 (gimple_debug_bind_set_var): Likewise.
5451 (gimple_debug_bind_set_value): Likewise.
5452 (gimple_debug_bind_reset_value): Likewise.
5453 (gimple_debug_bind_has_value_p): Likewise.
5454 (gimple_return_retval_ptr): Remove gcc_assert.
5455 (gimple_return_retval): Likewise.
5456 (gimple_return_set_retval): Likewise.
5457 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
5458 (safe_referenced_var_iterator): Remove.
5459 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
5460 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
5461 (fill_referenced_var_vec): Remove.
5462 (first_readonly_imm_use): Remove redundant gcc_assert.
5463 (phi_arg_index_from_use): Combine gcc_asserts.
5464 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
5465 (first_imm_use_stmt): Remove redundant gcc_assert.
5466 * tree-cfg.c (verify_gimple_call): Verify function and chain
5467 operands. Verify arguments.
5468 (verify_types_in_gimple_stmt): Verify condition code and labels.
5470 2010-01-07 Richard Guenther <rguenther@suse.de>
5472 PR tree-optimization/42641
5473 * sese.c (rename_map_elt_info): Use the SSA name version, do
5476 2010-01-07 Jakub Jelinek <jakub@redhat.com>
5478 PR tree-optimization/42625
5479 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
5480 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
5482 2010-01-07 Duncan Sands <baldrick@free.fr>
5484 * Makefile.in (PLUGIN_HEADERS): Add version.h.
5486 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
5489 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
5490 note itself is not function_invariant_p.
5492 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
5494 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
5495 Do not add the DF_NOTE problem.
5496 * store-motion.c (execute_rtl_store_motion): Likewise.
5498 2010-01-07 Martin Jambor <mjambor@suse.cz>
5500 PR tree-optimization/42157
5501 * tree-sra.c (compare_access_positions): Stabilize sort if both
5502 accesses have integer types, return zero immediately if they are the
5505 2010-01-06 Richard Henderson <rth@redhat.com>
5508 * haifa-sched.c (add_to_note_list): Merge into ...
5509 (concat_note_lists): ... here, and ...
5510 (unlink_other_notes, rm_other_notes): Merge into...
5511 (remove_notes): ... here. Create REG_SAVE_NOTEs for
5512 NOTE_INSN_EPILOGUE_BEG.
5514 2010-01-06 Richard Guenther <rguenther@suse.de>
5516 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
5517 not inline regular functions into always-inline functions.
5519 2010-01-06 Nick Clifton <nickc@redhat.com>
5521 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
5522 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
5524 (OVERRIDE_OPTIONS): Delete.
5525 (OPTIMIZATION_OPTIONS): Define.
5526 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
5527 * config/rx/rx.c (rx_handle_option): Issue an error message if
5528 -mcpu=rx200 and -fpu are used together.
5529 (rx_set_optimization_options): New function. Issue an error
5530 message if an optimization attribute attempts to reset the FPU/
5531 math optimization pairing.
5532 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
5533 * config/rx/rx.opt: Set the default to 32-bit doubles.
5534 * config/rx/t-rx: Add multilibs for -nofpu option.
5535 * doc/invoke.texi: Update documentation of RX options.
5537 2010-01-06 Richard Guenther <rguenther@suse.de>
5539 * tree-ssa-pre.c (name_to_id): New global.
5540 (alloc_expression_id): Simplify SSA name handling.
5541 (lookup_expression_id): Likewise.
5542 (init_pre): Zero name_to_id.
5543 (fini_pre): Free it.
5545 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
5547 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
5549 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
5552 * config/i386/sse.md (smaxv2di3): New.
5553 (umaxv2di3): Likewise.
5554 (sminv2di3): Likewise.
5555 (uminv2di3): Likewise.
5557 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
5560 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
5561 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
5562 (legitimize_tls_address): Likewise.
5563 (sparc_tls_referenced_p): Likewise.
5564 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
5565 and adjust calls to legitimize_pic_address.
5566 (legitimate_constant_p) Use sparc_tls_referenced_p.
5567 (legitimate_pic_operand_p): Likewise.
5568 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
5569 (sparc_tls_symbol_ref_1): Delete.
5570 (sparc_tls_referenced_p): Make static, recognize specific patterns.
5571 (legitimize_tls_address): Make static, handle CONST patterns.
5572 (legitimize_pic_address): Make static, remove unused parameter and
5573 adjust recursive calls.
5574 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
5575 and adjust call to legitimize_pic_address.
5576 (sparc_output_mi_thunk): Likewise.
5578 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
5579 H.J. Lu <hongjiu.lu@intel.com>
5582 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
5583 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
5584 operands to make them signed.
5587 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5590 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
5591 GTU to GT for V4SI and V2DI.
5593 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
5594 (umin<mode>3): Removed.
5596 (uminv4si3): Likewise.
5598 2010-01-05 Martin Jambor <mjambor@suse.cz>
5600 PR tree-optimization/42462
5601 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
5602 current_function_decl to helper functions and macros.
5604 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5607 * flags.h: Don't include real.h.
5608 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
5609 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
5610 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
5611 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
5612 * dominance.c: Update copyright.
5613 * gimple.c (walk_gimple_op): Remove inline.
5614 * tree-ssa-reassoc.c: Include real.h.
5615 * Makefile.in (FLAGS_H): Remove $(REAL_H).
5616 (tree-ssa-reassoc.o): Depend on $(REAL_H).
5618 2010-01-05 Nick Clifton <nickc@redhat.com>
5620 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
5621 register to push into the stack frame when the accumulator has to
5622 be saved during interrupts.
5624 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
5626 * doc/invoke.texi: Remove the documentation about option
5628 * common.opt (Wunreachable-code): Preserved for backward
5630 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
5631 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
5632 the backward compatibility flag section.
5634 2010-01-05 Richard Guenther <rguenther@suse.de>
5636 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
5638 2010-01-05 Jakub Jelinek <jakub@redhat.com>
5641 * cfgexpand.c (expand_one_var): Diagnose too large variables.
5643 PR tree-optimization/42508
5644 * tree-sra.c (convert_callers): Check for recursive call
5645 by comparing cgraph nodes instead of decls.
5646 (modify_function): Call ipa_modify_formal_parameters also
5647 on all same_body aliases.
5649 * cgraphunit.c (cgraph_materialize_all_clones): Compare
5650 cgraph nodes when checking for same_body aliases.
5652 2010-01-05 Richard Guenther <rguenther@suse.de>
5654 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
5655 allocation and lookup.
5656 (get_or_alloc_expr_for_constant): Likewise.
5657 (phi_translate): Sink allocation.
5659 2010-01-04 Richard Guenther <rguenther@suse.de>
5661 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
5662 a new entry only if needed.
5663 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
5664 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
5666 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
5668 (phi_translate): Handle CONSTANTs early.
5670 2010-01-04 Martin Jambor <mjambor@suse.cz>
5672 PR tree-optimization/42398
5673 * tree-sra.c (struct access): Removed flag grp_different_types.
5674 (dump_access): Do not dump the removed flag.
5675 (sort_and_splice_var_accesses): Do not set the removed flag.
5676 (sra_modify_expr): Check for type compatibility directly.
5678 2010-01-04 Martin Jambor <mjambor@suse.cz>
5680 PR tree-optimization/42366
5681 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
5682 edges with variable number of parameters.
5683 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
5684 flag instead of asserting it.
5685 (ipa_read_node_info): Read uses_analysis_done flag.
5687 2010-01-04 Richard Guenther <rguenther@suse.de>
5689 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
5690 iterative_hash_* as intended.
5691 (vn_reference_compute_hash): Likewise. Simplify hashing
5693 (vn_reference_lookup_2): Likewise.
5694 (vn_nary_op_compute_hash): Likewise.
5695 (vn_phi_compute_hash): Likewise.
5696 (expressions_equal_p): Remove strange code.
5697 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
5698 (pre_expr_hash): Likewise. Simplify hashing SSA names.
5699 (bitmap_insert_into_set_1): Take value-id as parameter.
5700 (add_to_value): Pass it.
5701 (bitmap_insert_into_set): Likewise.
5702 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
5704 2010-01-04 Jakub Jelinek <jakub@redhat.com>
5707 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
5708 (do_self_spec): For switches with SWITCH_IGNORE set set also
5709 SWITCH_IGNORE_PERMANENTLY.
5710 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
5713 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
5715 * lto-streamer-out.c (output_unreferenced_globals): Output the full
5716 tree of an unreferenced global var.
5718 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5721 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
5722 GTU to GT for V4SI and V2DI.
5724 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
5725 (umin<mode>3): Removed.
5727 (uminv4si3): Likewise.
5729 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
5732 * collect2.c (main): Turn on trace in collect2 if -v is passed
5735 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
5737 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
5738 description of expression operand.
5740 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
5742 * configure.ac: Add install-html to target_list for Make-hooks.
5743 * configure: Regenerate.
5744 * fortran/Make-lang.in (F95_HTMLFILES): New.
5745 (fortran.html): Use it.
5746 (fortran.install-html): New.
5747 * Makefile.in (install-html): Add lang.install-html.
5748 * java/Make-lang.in (JAVA_HTMLFILES): New.
5749 (java.html): Use it.
5750 (java.install-html): New.
5751 * objc/Make-lang.in (objc.install-html): New.
5752 * objcp/Make-lang.in (obj-c++.install-html): New.
5753 * cp/Make-lang.in (c++.install-html): New.
5754 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
5755 * lto/Make-lang.in (lto.install-html): New.
5757 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
5760 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
5762 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
5764 PR rtl-optimization/41862
5765 * store-motion.c (store_killed_in_insn, compute_store_table,
5766 remove_reachable_equiv_notes, replace_store_insn,
5767 build_store_vectors): Ignore all DEBUG_INSNs.
5769 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
5772 * common.opt: Add dumpdir.
5774 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
5776 (option_map): Add --dumpdir.
5778 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
5780 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
5782 * opts.c (decode_options): Try dump_dir_name first if
5783 dump_base_name isn't an absolute path.
5784 (common_handle_option): Handle OPT_dumpdir.
5786 * toplev.c (dump_dir_name): New.
5787 (print_switch_values): Also ignore -dumpdir.
5789 * toplev.h (dump_dir_name): New.
5791 2010-01-03 Richard Guenther <rguenther@suse.de>
5793 PR tree-optimization/42589
5794 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
5795 double-word expansion of bswap32.
5797 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
5799 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
5800 with BLOCK_FOR_INSN.
5801 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
5802 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
5803 noce_process_if_block): Likewise.
5804 * gcse.c (compute_local_properties, insert_expr_in_table,
5805 insert_set_in_table, canon_list_insert, find_avail_set,
5806 pre_insert_copy_insn): Likewise.
5808 * basic-block.h (BLOCK_NUM): Move from here...
5809 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
5811 2010-01-03 Richard Guenther <rguenther@suse.de>
5813 PR tree-optimization/42438
5814 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
5815 contains_may_not_return_call flag.
5816 (BB_MAY_NOTRETURN): New.
5817 (valid_in_sets): Trapping nary operations are not valid
5818 in blocks that may not return.
5819 (insert_into_preds_of_block): Remove check for trapping expressions.
5820 (compute_avail): Compute also BB_MAY_NOTRETURN.
5822 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
5824 * doc/invoke.texi: Add 2010 to copyright years.
5826 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
5828 * config/sparc/sparc.c: Fix formatting nits.
5830 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
5831 Alexander Monakov <amonakov@ispras.ru>
5833 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
5835 2010-01-02 Richard Guenther <rguenther@suse.de>
5838 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
5839 (simplify_switch_using_ranges): Mark to be removed edges
5842 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5844 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5846 * collect2.c (scan_libraries): Add missing argument in call to
5849 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
5852 * config/alpha/predicates.md (aligned_memory_operand): Return false
5854 (unaligned_memory_operand): Return true for CQImode.
5855 * config/alpha/alpha.c (get_aligned_mem): Assert that location
5856 doesn not cross aligned SImode word boundary.
5858 2010-01-02 Anatoly Sokolov <aesok@post.ru>
5860 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
5862 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
5863 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
5865 2010-01-02 Richard Guenther <rguenther@suse.de>
5868 * toplev.c (compile_file): Emit LTO marker properly. Change
5870 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
5872 2010-01-01 Richard Guenther <rguenther@suse.de>
5875 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
5877 2010-01-01 Richard Guenther <rguenther@suse.de>
5880 * c-decl.c (grokdeclarator): For zero-size arrays force
5881 structural equality checks as layout_type does.
5883 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
5885 * builtins.c: Update copyright to 2010.
5887 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
5890 * lto-streamer-out.c (produce_asm): Revert the last change.
5891 (copy_function): Likewise.
5893 * lto-streamer.c (lto_get_section_name): Skip any leading
5896 2010-01-01 Richard Guenther <rguenther@suse.de>
5899 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
5903 Copyright (C) 2010 Free Software Foundation, Inc.
5905 Copying and distribution of this file, with or without modification,
5906 are permitted in any medium without royalty provided the copyright
5907 notice and this notice are preserved.