1 2012-04-25 Jakub Jelinek <jakub@redhat.com>
4 * c-typeck.c (set_nonincremental_init,
5 set_nonincremental_init_from_string): Pass true instead of false
6 as IMPLICIT to add_pending_init.
8 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
10 Backport from 2012-04-24 mainline r186768.
13 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
15 2012-04-24 Richard Guenther <rguenther@suse.de>
17 PR tree-optimization/53085
18 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
21 2012-04-24 Jakub Jelinek <jakub@redhat.com>
24 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
26 (output_addressed_constants): Likewise.
29 * varasm.c (get_section): Don't ICE for section conflicts with
30 built-in section kinds.
32 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
34 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
36 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
38 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
40 2012-04-23 Richard Guenther <rguenther@suse.de>
43 * c-typeck.c (build_binary_op): Fix typo.
45 2012-04-23 Jakub Jelinek <jakub@redhat.com>
47 PR tree-optimizations/52891
48 * tree-vect-patterns.c (adjust_bool_pattern): Use
49 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
50 but with non-standard precision.
52 2012-04-22 Ian Lance Taylor <iant@google.com>
54 * godump.c (go_output_typedef): Dump size of structs.
56 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
58 Backport from mainline:
60 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
61 hints for 'A' operand types.
63 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
65 Backport from 2012-04-19 mainline r186588.
68 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
71 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
73 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
75 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
78 * config/i386/sync.md (atomic_<code><mode>): Rename to
81 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
83 Backport from mainline
84 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
87 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
88 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
89 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
90 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
91 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
92 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
93 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
96 2012-04-16 Martin Jambor <mjambor@suse.cz>
98 Backported from mainline
100 2012-04-13 Martin Jambor <mjambor@suse.cz>
103 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
104 fold_ctor_reference returns a zero constant.
106 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
108 Backported from mainline
109 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
111 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
112 and __ILP32__ for x32.
114 2012-04-13 Tom de Vries <tom@codesourcery.com>
116 Backport from mainline r186418.
118 2012-04-13 Tom de Vries <tom@codesourcery.com>
120 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
121 parameters vuse and vuse_escaped.
122 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
123 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
126 2012-04-13 Richard Guenther <rguenther@suse.de>
128 PR tree-optimization/52969
129 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
130 the condition for the COND_EXPR and handle predicate negation
131 by swapping the COND_EXPR arms.
133 2012-04-13 Richard Guenther <rguenther@suse.de>
136 * convert.c (convert_to_pointer): Remove special-casing of
139 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
141 Backport from mainline
142 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
145 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
146 the list of options to enable the FCFID instruction.
147 (TARGET_EXTRA_BUILTINS): Adjust comment.
149 2012-04-12 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/52943
152 * tree-chrec.h (chrec_is_positive): Remove.
153 * tree-scalar-evolution.c (chrec_is_positive): Move ...
154 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
155 Return false for a constant zero instead of negative.
156 (analyze_siv_subscript_cst_affine): Handle zero difference
157 in the initial condition explicitely.
159 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
162 * varasm.c (process_pending_assemble_externals): Set
163 pending_assemble_externals_processed true.
164 (assemble_external): Call assemble_external_real if the pending
165 assemble externals have been processed.
167 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
170 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
171 the DECL generated for the special GOT helper.
173 2012-04-06 Walter Lee <walt@tilera.com>
175 Backport from mainline
176 2012-03-07 Walter Lee <walt@tilera.com>
178 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
179 REG_CFA_* notes for the stack pointer.
180 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
181 EH_RETURN_STACKADJ_RTX.
182 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
183 generate REG_CFA_* notes for the stack pointer.
184 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
185 by EH_RETURN_STACKADJ_RTX.
187 2012-04-06 Matt Turner <mattst88@gmail.com>
189 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
191 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
193 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
194 of the destination isn't also a FP_REGS register.
196 2012-04-03 Richard Guenther <rguenther@suse.de>
198 Backport from mainline
199 2012-03-02 Richard Guenther <rguenther@suse.de>
201 PR tree-optimization/52406
202 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
203 (struct indices): Add unconstrained_base member.
204 (struct dr_alias): Remove unused vops member.
205 (DR_UNCONSTRAINED_BASE): New define.
206 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
207 add indices to allow their disambiguation. Make DR_BASE_OBJECT
208 be an artificial access that covers the whole indexed object,
209 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
210 plain decl base-objects to their MEM_REF variant.
211 (dr_may_alias_p): When the base-object of either data reference
212 has unknown size use only points-to information.
213 (compute_affine_dependence): Make dumps easier to read and
215 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
216 DR_REF when looking for packed references.
217 (vect_supportable_dr_alignment): Likewise.
219 2012-04-03 Richard Guenther <rguenther@suse.de>
221 Backport from mainline
222 2012-03-15 Richard Guenther <rguenther@suse.de>
225 * tree-data-ref.c (subscript_dependence_tester_1): Check
226 all dimensions for non-conflicting access functions.
228 2012-04-03 Richard Guenther <rguenther@suse.de>
230 Backport from mainline
231 2012-03-06 Richard Guenther <rguenther@suse.de>
234 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
236 2012-03-23 Richard Guenther <rguenther@suse.de>
238 PR tree-optimization/52678
239 * tree-vectorizer.h (struct _stmt_vec_info): Add
240 loop_phi_evolution_part member.
241 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
242 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
243 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
244 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
245 Use the cached evolution part and the PHI nodes value from
246 the loop preheader edge instead of re-analyzing the evolution.
248 2012-03-26 Richard Guenther <rguenther@suse.de>
250 PR tree-optimization/52701
251 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
252 compute and set the evolution part of PHI nodes.
254 2012-03-30 Richard Guenther <rguenther@suse.de>
256 PR tree-optimization/52754
257 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
258 propagate arbitrary addresses into really plain dereferences.
260 2012-04-03 Jakub Jelinek <jakub@redhat.com>
262 PR tree-optimization/52835
263 * tree-data-ref.c (build_rdg): Return NULL if
264 compute_data_dependences_for_loop failed.
266 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
268 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
269 (stmt_can_make_abnormal_goto): Use it.
270 (is_ctrl_altering_stmt): Likewise.
272 2012-03-31 Martin Jambor <mjambor@suse.cz>
274 Backported from mainline
275 2012-03-30 Martin Jambor <mjambor@suse.cz>
277 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
278 is a builtin_stack_save in a dominating BB.
280 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
282 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
283 crossing 128bit lane boundary.
285 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
287 Backported from mainline
288 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
291 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
293 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
294 * config/i386/i386.c: Include reload.h.
295 (ix86_legitimize_reload_address): New function.
297 2012-03-28 Martin Jambor <mjambor@suse.cz>
299 Backported from mainline
300 2012-03-27 Martin Jambor <mjambor@suse.cz>
303 * tree-sra.c (sra_modify_assign): Do not call
304 load_assign_lhs_subreplacements when working with an unscalarizable
307 2012-03-28 Jakub Jelinek <jakub@redhat.com>
310 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
311 __builtin_va_start to __builtin_next_arg if the latter is
312 builtin_decl_explicit_p rather than when it is not.
315 * tree-vect-generic.c (vector_element): Perform multiplication
316 for pos in bitsizetype type instead of idx type.
318 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
320 Backport from 2012-03-28 mainline r185910.
323 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
324 (avr_builtin_decl): New static function.
325 (struct avr_builtin_description, avr_bdesc): Move up.
326 Add GTY marker. Add field fndecl. Remove redundant field id.
327 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
328 (avr_expand_builtin): Code cleanup because .id is removed.
330 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
333 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
336 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
338 Backport from 2012-03-28 mainline r185907.
341 * config.gcc (tm_file): Remove avr/multilib.h.
343 * doc/invoke.texi (AVR Options): Adjust
344 documentation of -mtiny-stack.
346 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
347 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
348 * config/avr/t-avr: Remove generation of multilib.h.
349 * config/avr/t-multilib: Regenerate.
350 * config/avr/multilib.h: Remove.
351 * config/avr/avr.opt (-msp8): New option.
352 (avr_sp8): New variable.
353 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
354 * config/avr/avr.h (AVR_HAVE_SPH): New define.
355 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
356 (avr_device_to_sp8): New prototype.
357 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
358 (DRIVER_SELF_SPECS): New define.
359 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
360 __AVR_SP8__, __AVR_HAVE_SPH__.
361 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
362 AVR_HAVE_8BIT_SP to decide if SP_H is present.
363 (avr_file_start): Ditto.
365 2012-03-28 Jakub Jelinek <jakub@redhat.com>
368 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
369 instead of 8 in adjust_address.
371 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
373 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
374 of a unit before computing the offset in units.
376 2012-03-27 Richard Guenther <rguenther@suse.de>
379 * fold-const.c (try_move_mult_to_index): Handle &x.array more
382 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
385 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
387 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
390 * varasm.c: Include pointer-set.h.
391 (pending_assemble_externals_set): New pointer set.
392 (process_pending_assemble_externals): Destroy the pointer set.
393 (assemble_external): See if decl is in pending_assemble_externals_set,
394 and add it to pending_assemble_externals if necessary.
395 (init_varasm_once): Allocate pending_assemble_externals_set.
397 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
399 Backported from mainline
400 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
403 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
404 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
405 (vector_ltgt<mode>): Likewise.
406 (vector_ordered<mode>): Likewise.
407 (vector_unordered<mode>): Likewise.
408 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
410 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
412 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
415 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
417 Backported from mainline
418 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
422 * config/sh/sh.c (sh_register_move_cost): Increase cost between
423 GENERAL_REGS and FP_REGS for SImode.
425 2012-03-22 Jakub Jelinek <jakub@redhat.com>
428 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
429 on any new_local_var_chain vars declared during recursing on
430 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
432 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
434 Backport from 2012-03-22 mainline r185692.
437 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
438 (unspecv): Add UNSPECV_MEMORY_BARRIER.
439 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
440 (delay_cycles_1, delay_cycles_2): Ditto.
441 (delay_cycles_3, delay_cycles_4): Ditto.
442 (nopv, *nopv): Ditto.
443 (sleep, *sleep): Ditto.
446 Backport from 2012-03-21 mainline r185605.
448 PR rtl-optimization/52543
450 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
451 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
452 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
453 (avr_load_libgcc_p): Restrict to __flash loads.
454 (avr_out_lpm): Only handle 1-byte loads from __flash.
455 (avr_load_lpm): New function.
456 (avr_find_unused_d_reg): Remove.
457 (avr_out_lpm_no_lpmx): Remove.
458 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
459 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
460 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
461 (load_<mode>, load_<mode>_clobber): New insns.
462 (mov<mode>): For multi-byte move from non-generic
463 16-bit address spaces: Expand to load_<mode> resp.
465 (load<mode>_libgcc): Remove expander.
466 (split-lpmx): Remove split.
468 Backport from 2012-03-13 mainline r185329.
471 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
472 offset (size) to a value the insns can deal with.
473 (expand_epilogue): Ditto.
475 Backport from 2012-03-12 mainline r185256.
478 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
479 type from reg_class_t to enum reg_class.
480 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
482 Backport from 2012-03-12 mainline r185253.
485 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
486 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
487 r184615 from 2012-02-28.
489 Backport from 2012-03-08 mainline r185105.
491 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
492 for constants in [-63,63].
494 Backport from 2012-03-08 mainline r185100.
497 * config/avr/avr.c (avr_mem_clobber): New static function.
498 (avr_expand_delay_cycles): Add memory clobber operand to
499 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
500 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
501 (enable_interrupt, disable_interrupt): New expander.
502 (nopv, sleep, wdr): New expanders.
503 (delay_cycles_1): Add memory clobber.
504 (delay_cycles_2): Add memory clobber.
505 (delay_cycles_3): Add memory clobber.
506 (delay_cycles_4): Add memory clobber.
507 (cli_sei): New insn from former "enable_interrupt",
508 "disable_interrupt" with memory clobber.
509 (*wdt): New insn from former "wdt" with memory clobber.
510 (*nopv): Similar, but for "nopv".
511 (*sleep): Similar, but for "sleep".
513 Backport from 2012-03-07 mainline r185043.
516 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
518 Backport from 2012-03-07 mainline r185032.
521 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
522 to: RAMPZ, RAMPY, RAMPX, RAMPD.
523 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
525 Backport from 2012-03-07 mainline r185031.
528 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
530 * config/avr/avr.md (xload_8): Adjust insn length.
532 Backport from 2012-03-07 mainline r185030.
535 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
536 if RAMPZ affects reading from RAM.
538 Backport from 2012-03-05 mainline r184919.
540 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
542 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
544 Backport from mainline r185259.
547 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
548 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
550 2012-03-22 Jakub Jelinek <jakub@redhat.com>
552 Backported from mainline
553 2012-03-13 Jakub Jelinek <jakub@redhat.com>
556 * c-parser.c (c_parser_postfix_expression)
557 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
559 * config/i386/smmintrin.h: Avoid /* within a comment.
560 * config/i386/nmmintrin.h: Likewise.
562 2012-03-22 Richard Guenther <rguenther@suse.de>
564 * BASE-VER: Set to 4.7.1.
565 * DEV-PHASE: Set to prerelease.
567 2012-03-22 Release Manager
569 * GCC 4.7.0 released.
571 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
573 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
575 2012-03-15 Jakub Jelinek <jakub@redhat.com>
576 Andrew Pinski <apinski@cavium.com>
579 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
580 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
581 calls instead of __builtin_ir{int,ound}*.
583 2012-03-14 Jakub Jelinek <jakub@redhat.com>
586 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
589 2012-03-13 Joseph Myers <joseph@codesourcery.com>
591 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
592 Refer to GCC 4.7 version of c99status.html.
594 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
596 Backport from mainline
597 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
599 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
600 redefine to be NULL if the current bit-size is different from the
603 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
604 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
605 set the default tuning. Add asserts to make sure the cpu and tune
606 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
607 test whether the index is set, instead of > 0.
608 (rs6000_file_start): Do not reset the default cpu if the current
609 bit-size is different from the configured bit-size.
611 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
613 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
615 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
616 Update binutils references.
617 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
618 Update binutils reference.
619 Update Sun as/GNU ld caveat.
620 Document binutils largefile requirement for LTO plugin.
621 Remove reference to alternate libpthread.
623 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
625 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
627 (Specific, mips-sgi-irix6): Likewise.
629 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
631 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
632 * configure: Regenerate.
634 2012-03-07 Richard Henderson <rth@redhat.com>
636 * config/m68k/m68k.h (ISA_HAS_TAS): New.
637 * config/m68k/sync.md (atomic_test_and_set): Use it.
638 (atomic_test_and_set_1): Likewise.
640 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
643 * Makefile.in: Let install-gcc-ar depend on installdirs,
644 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
645 Don't double canonicalize if cross-compiling.
647 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
649 * trans-mem.c: New typedef for tm_region_p.
650 Define vector types for tm_region_p.
651 (tm_region_init): Replace region_worklist to a vector called
654 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
657 * trans-mem.c (tm_region_init): Use last_basic_block.
659 2012-03-05 Richard Henderson <rth@redhat.com>
662 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
663 * omp-low.c (expand_omp_atomic): Assume anything aligned to
664 BIGGEST_ALIGNMENT is aligned.
666 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
668 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
670 2012-03-05 Richard Henderson <rth@redhat.com>
673 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
674 instead of calling negqi2 directly.
676 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
678 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
679 (INTMAX_TYPE): Use it.
680 (UINTMAX_TYPE): Likewise.
681 (SUBTARGET_OVERRIDE_OPTIONS): Define.
682 (irix6_c_common_override_options): Declare.
683 (C_COMMON_OVERRIDE_OPTIONS): Define.
684 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
685 * config/mips/irix6-c.c: New file.
686 * config/mips/t-irix6 (irix6-c.o): New target.
687 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
690 2012-03-02 Richard Henderson <rth@redhat.com>
692 * optabs.c (expand_atomic_test_and_set): Honor
693 atomic_test_and_set_trueval even when atomic_test_and_set
696 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
698 Backport from mainline
699 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
701 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
703 2012-03-02 Richard Guenther <rguenther@suse.de>
705 * DEV-PHASE: Set to prerelease.
707 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
709 * config.gcc (obsolete): Add all ARM targets using the FPA.
710 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
711 * doc/install.texi: Avoid references to obsolete ARM ports.
713 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
715 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
717 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
718 Joern Rennecke <joern.rennecke@embecosm.com>
720 * doc/extend.texi: Expand and update information on interrupt
721 attribute for Epiphany.
723 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
725 * config/sh/sh-protos.h: Update copyright notice dates.
726 * config/sh/sh.h: Likewise.
727 * config/sh/sh.md: Likewise.
728 * config/sh/constraints.md: Likewise.
729 * config/sh/predicates.md: Likewise.
731 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
733 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
734 * config/sh/sh.c (tertiary_reload_operand): Likewise.
736 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
738 * config/sh/constraints.md: Fix comment typo.
740 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
743 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
744 unsigned HOST_WIDE_INT.
745 (zvdep_imm64): Likewise.
746 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
747 (vdepi_and): Likewise.
748 Likewise for unamed 64-bit patterns.
749 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
751 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
754 PR rtl-optimization/52417
755 * cselib.c (cselib_any_perm_equivs): New variable.
756 (cselib_reset_table): Check that it's not set when not
757 preserving constants.
758 (cselib_add_permanent_equiv): Set it.
759 (cselib_have_permanent_equivalences): New.
760 (cselib_init, cselib_finish): Reset it.
761 * cselib.h (cselib_have_permanent_equivalences): Declare.
762 * alias.c (get_addr): Restore earlier behavior when there
763 aren't permanent equivalences.
765 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
767 * config/mn10300/mn10300-modes.def: Fix copyright notice.
768 * config/v850/v850-modes.def: Fix copyright notice.
770 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
772 * doc/extend.texi (AVR Built-in Functions): Document
773 __builtin_avr_flash_segment.
775 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
776 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
777 (*split.flash_segment): New insn-and-split.
778 * config/avr/avr.c (avr_init_builtins): Add local variables:
779 const_memx_void_node, const_memx_ptr_type_node,
780 char_ftype_const_memx_ptr.
782 2012-03-01 Jakub Jelinek <jakub@redhat.com>
784 PR tree-optimization/52445
785 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
786 add ssa_name_ver, offset and size fields and change store field
788 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
789 (add_or_mark_expr): Likewise. Only consider previous stores
790 with the same size and offset.
791 (nt_init_block): Only look at gimple_assign_single_p stmts,
792 doesn't look at rhs2.
794 2012-03-01 Richard Guenther <rguenther@suse.de>
797 * tree-cfg.c (verify_gimple_assign_unary): Allow any
798 conversions from integral types to pointer types.
800 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
802 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
803 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
804 unintentionally removed in r184616.
806 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
808 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
811 2012-02-29 Jakub Jelinek <jakub@redhat.com>
812 Uros Bizjak <ubizjak@gmail.com>
815 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
816 alternatives, add "e" constraint to the new last alternative
817 and ! to last 3 alternatives.
819 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
821 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
822 DW_AT_artificial attributes at the end of the processing.
823 (gen_array_type_die): Likewise.
824 (gen_enumeration_type_die): Likewise.
825 (gen_struct_or_union_type_die): Likewise.
826 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
829 2012-02-29 Jakub Jelinek <jakub@redhat.com>
832 * expr.c (expand_assignment): If doing misaligned store that doesn't
833 cover all mode bits, perform a RMW cycle.
835 PR tree-optimization/52429
836 * tree-parloops.c (separate_decls_in_region_debug): Return early
837 if var is LABEL_DECL.
839 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
841 PR tree-optimization/52424
842 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
843 calling dom_thread_across_edge.
845 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
847 * config/avr/avr.c: Move definition of TARGET macros to end of file.
849 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
851 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
852 * config/avr/avr.c (avr_output_bld): Remove unused function.
853 (avr_out_sbxx_branch): Use "%T" to print bit position.
855 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
857 * config/avr/avr.md: Untabify.
859 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
861 * config/avr/avr.md (eqne): New code iterator.
862 (*dec-and-branchsi): Use it in text peephole's condition.
863 (*dec-and-branchhi): Ditto.
864 (*dec-and-branchqi): Ditto.
866 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
869 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
870 the device does not have the skip-bug.
872 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
874 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
875 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
876 -mpretend-cmove): New.
878 2012-02-29 Jakub Jelinek <jakub@redhat.com>
881 * df.h (struct df_d): Adjust comment that hard_regs_live_count
882 doesn't count DEBUG_INSN refs.
883 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
886 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
890 2012-02-20 Richard Guenther <rguenther@suse.de>
891 PR tree-optimization/52298
892 * tree-vect-stmts.c (vectorizable_load): Properly use
893 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
896 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
899 * gimple.h (gimple_in_transaction): New.
900 (gimple_set_in_transaction): New.
901 (struct gimple_statement_base): Add in_transaction field.
902 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
904 (tree_ssa_lim_initialize): Compute transaction bits.
905 * tree.h (compute_transaction_bits): Protoize.
906 * trans-mem.c (tm_region_init): Use the heap to store BB
908 (compute_transaction_bits): New.
910 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
912 * gcc.c (display_help): Document --help=common and sort entries
915 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
917 * doc/install.texi: Document check-$LANG specific shortcuts
919 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
922 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
924 * config/arm/arm_neon.h: Regenerate.
925 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
926 (neon_vcgeu): New insn.
927 (neon_vcgtu): Likewise.
928 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
929 (ops): Unsigned comparison intrinsics call a different
932 2012-02-28 Richard Guenther <rguenther@suse.de>
935 * config/i386/i386.c (ix86_expand_vector_set): Fix element
936 ordering for the VEC_CONCAT for two element vectors for
937 V2SFmode, V2SImode and V2DImode.
939 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
942 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
943 detecting big-endian triplets.
945 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
947 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
948 mode if there is no type information available.
950 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
952 PR tree-optimization/53207
953 * doc/invoke.texi: Document as experimental and relying on graphite.
955 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
957 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
958 of initializer to changes from r184614.
960 2012-02-28 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/52395
963 * tree-sra.c (build_ref_for_offset): Also look at the base
964 TYPE_ALIGN when figuring out the alignment of the replacement.
966 2012-02-28 Richard Guenther <rguenther@suse.de>
968 PR tree-optimization/52402
969 * ipa-prop.c (ipa_modify_call_arguments): Properly use
970 mis-aligned types when creating the accesses at the call site.
972 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
974 * config/avr/builtins.def: New file.
975 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
976 * config/avr/avr.c (enum avr_builtin_id): Use it.
977 (avr_init_builtins): Use it. And use avr_bdesc.
978 (bdesc_1arg): Remove.
979 (bdesc_2arg): Remove.
980 (bdesc_3arg): Remove.
981 (struct avr_builtin_description): Add field n_args.
982 (avr_bdesc): New static variable using builtins.def.
983 (avr_expand_builtin): Use it.
984 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
985 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
986 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
988 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
991 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
992 match only one single hard register with respective hard reg rtx.
993 (movmemx_<mode>): Ditto.
994 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
995 insn anatomy of movmem[x]_<mode>.
996 (avr_out_movmem): Same for printing assembler and operand usage.
998 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1002 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1003 address spaces located outside of device flash.
1005 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1006 (mcu_type_s): Add field n_flash.
1007 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1008 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1009 (AVR_MCU): Add N_FLASH argument.
1010 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1011 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1012 macro __FLASH<n> if that address space makes sense for the device.
1013 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1014 outside of target flash.
1015 (avr_asm_named_section): Ditto.
1016 (avr_asm_select_section): Ditto.
1017 (avr_addr_space_convert): Ditto.
1018 (avr_emit_movmemhi): Ditto.
1019 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1020 address space is outside of device flash.
1021 (avr_insert_attributes): Ditto.
1022 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1023 avr_current_arch->n_segments.
1025 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1028 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1030 (*movabs<mode>_2): Likewise.
1032 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1035 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1036 s_register_operand in the test instead of REG_P. Don't call
1037 gen_reg_rtx if it won't be used.
1039 PR tree-optimization/52376
1040 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1042 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1044 * ifcvt.c (noce_get_condition): Check condition variable is not
1045 small_register_classes_for_mode_p before accepting.
1047 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1049 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1051 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1054 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1055 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1057 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1059 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1061 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1063 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1065 * config/sh/predicates.md: Remove blank lines.
1066 * config/sh/sh.c: Fix typos in comments.
1067 * config/sh/constraints.md: Likewise.
1068 * config/sh/sh.md: Remove blank lines.
1069 Fix typos in comments. Use ;; as comment characters.
1071 2012-02-26 Walter Lee <walt@tilera.com>
1073 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1074 (replace_mov_pcrel_step2): Ditto.
1076 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1079 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1080 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1081 and locs that reference values newer than the non-canonical value
1082 at hand. Return the canonical value as a worst case.
1083 (memrefs_conflict_p): Walk canonical value's locs.
1086 * cselib.c (preserve_only_constants): Rename to...
1087 (preserve_constants_and_equivs): ... this. Split out...
1088 (invariant_or_equiv_p): ... this. Preserve plus expressions
1089 of other preserved expressions too.
1090 (cselib_reset_table): Adjust.
1091 * var-tracking.c (reverse_op): Use canonical value to build
1094 2012-02-23 Kai Tietz <ktietz@redhat.com>
1096 * config/i386/i386.c (ix86_delegitimize_address): Handle
1097 UNSPEC_PCREL plus displacement.
1099 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1102 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1103 to test for unusedness in st X addressing.
1105 2012-02-24 Richard Guenther <rguenther@suse.de>
1108 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1109 (is_gimple_reg_type): Move inline ...
1110 * gimple.h (is_gimple_reg_type): ... here.
1112 2012-02-24 Richard Guenther <rguenther@suse.de>
1115 * passes.c (execute_function_todo): When verifying SSA form
1116 verify gimple form first.
1117 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1119 2012-02-24 Richard Guenther <rguenther@suse.de>
1122 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1123 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1125 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1127 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1129 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1131 * tree-phinodes.c (make_phi_node): Mark static.
1132 * tree-flow.h (make_phi_node): Remove extern decl.
1133 * doc/gimple.texi (make_phi_node): Remove documentation.
1135 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1137 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1138 * tree-ssa-sccvn.c (print_scc): Ditto.
1140 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1142 * doc/passes.texi (Full redundancy elimination): Fix typo.
1144 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1146 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1148 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1151 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1153 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1156 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1158 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1160 * config/avr/avr.md (code_stdname): Add ior, xor.
1161 (xior): New code iterator.
1162 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1163 (*<code_stdname><mode>qi.byte1-3): Ditto.
1165 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1167 PR tree-optimization/52019
1168 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1171 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1173 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1174 HAVE_INITFINI_ARRAY to work around namespace pollution in
1175 certain versions of newlib system headers.
1176 * config.in: Regenerate.
1177 * configure: Regenerate.
1178 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1179 instead of HAVE_INITFINI_ARRAY.
1181 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1184 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1185 is not offsettable memory reference.
1187 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1190 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1191 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1193 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1195 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1196 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1198 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1200 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1201 library on Solaris 8 even without TLS support.
1202 * configure: Regenerate.
1204 2012-02-22 Richard Guenther <rguenther@suse.de>
1207 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1208 for GIMPLE_DEBUG stmts.
1210 2012-02-22 Martin Jambor <mjambor@suse.cz>
1213 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1214 according to the base object.
1216 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1218 PR rtl-optimization/50063
1219 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1220 and 2 (8-bit SP) in operand 2.
1221 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1222 setup to use movhi_sp_r instead of vanilla move to write SP.
1223 Adjust REG_CFA notes to superseed unspec.
1224 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1226 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1227 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1228 irq_state 1 (IRQ known to be on) here.
1230 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1232 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1234 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1235 assign_hard_reg): Likewise.
1237 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1239 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1241 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1244 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1245 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1247 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1249 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1250 prototype from here to...
1251 * config/avr/avr.h: ...here.
1253 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1256 * thumb2.md (thumb2_shiftsi3_short): Split register and
1257 immediate shifts. For register shifts tie operands 0 and 1.
1258 (peephole2 for above): Check that register-controlled shifts
1259 have suitably tied operands.
1261 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1264 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1265 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1266 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1267 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1268 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1269 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1270 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1271 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1272 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1273 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1274 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1275 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1276 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1277 bdver1_ssevector_avx256_unaligned_load,
1278 bdver1_ssevector_sse128_unaligned_load,
1279 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1280 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1281 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1282 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1283 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1284 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1285 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1286 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1287 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1288 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1289 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1290 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1291 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1292 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1293 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1294 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1295 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1296 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1297 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1298 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1299 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1300 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1301 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1302 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1303 bdver1_ssediv_double_load, bdver1_ssediv_double,
1304 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1305 Add "bdver2" attribute.
1307 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1309 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1310 default if possible and not specified otherwise.
1312 2012-02-21 Richard Guenther <rguenther@suse.de>
1315 * gimplify.c (create_tmp_from_val): Use the main variant type
1316 for the type of the temporary we create.
1318 2012-02-21 Richard Guenther <rguenther@suse.de>
1320 PR tree-optimization/52324
1321 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1322 do not gimplify a MEM_REF address operand if it is already
1325 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1327 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1328 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1330 2012-02-21 Richard Guenther <rguenther@suse.de>
1332 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1333 nested_in_vect_loop.
1335 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1337 PR tree-optimization/52318
1338 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1339 vdef also to non-pure/const call stmts in the sequence.
1341 2012-02-20 David S. Miller <davem@davemloft.net>
1343 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1344 don't use the "rd %pc" instruction on v9 for PIC register loads.
1346 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1349 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1350 in a transaction safe function.
1352 2012-02-20 Kai Tietz <ktietz@redhat.com>
1355 * stor-layout.c (place_field): Handle desired_align for
1358 2012-02-20 Richard Guenther <rguenther@suse.de>
1360 PR tree-optimization/52298
1361 * tree-vect-stmts.c (vectorizable_store): Properly use
1362 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1364 (vectorizable_load): Likewise.
1365 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1366 Access DR_STEP after ensuring it is not NULL.
1368 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1370 PR tree-optimization/52286
1371 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1372 optimization use double_int_to_tree instead of build_int_cst_wide,
1373 rewrite to use double_int vars.
1375 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1378 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1380 Remove -e 0 from $gcc_cv_ld invocation.
1381 Only use __GLIBC_PREREQ if defined.
1382 Enable on Solaris since Solaris 8 patch.
1383 (gcc_SUN_LD_VERSION): New macro.
1384 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1385 gcc_SUN_LD_VERSION for version number format.
1386 * configure: Regenerate.
1387 * varasm.c (get_elf_initfini_array_priority_section): Set
1388 SECTION_NOTYPE for non-default priority.
1389 Use get_section instead of get_unnamed_section to emit
1390 .init_array/.fini_array with default priority.
1392 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1394 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1395 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1396 (mips_start_unique_function, mips_output_mips16_rdhwr)
1397 (mips_code_end): New functions.
1398 (TARGET_ASM_CODE_END): Define.
1400 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1402 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1403 to stubs with non-sibling calls.
1405 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1407 * doc/invoke.texi (-fira-* options): Copy-edit.
1408 (ira-* parameters): Copy-edit.
1410 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1412 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1413 GCC coding conventions.
1415 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1417 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1418 when used as adjectives.
1420 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1422 * doc/invoke.texi: Clean up "that"/"which" confusion.
1424 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1426 * system.h: Poison SMALL_REGISTER_CLASSES
1427 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1428 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1430 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1432 PR tree-optimization/52285
1433 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1434 when deciding if a call is a tail call or tail recursion.
1436 2012-02-16 Kai Tietz <ktietz@redhat.com>
1438 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1439 interger-constant displacement for UNSPEC_PCREL.
1441 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1443 PR rtl-optimization/52208
1444 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1445 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1447 PR tree-optimization/52255
1448 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1449 loop->header has virtual PHI, but exit_e->dest doesn't, add
1450 virtual PHI to exit_e->dest and adjust all uses after the loop.
1453 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1454 children with clone_tree_hash, not after it.
1456 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1458 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1459 extended identifiers.
1461 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1464 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1465 a same_body_alias, also test whether e->callee isn't a former
1466 or current clone of the decl this is a same body alias of.
1468 PR translation/52264
1469 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1471 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1473 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1475 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1478 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1479 force_reg instead of copy_to_reg for better optimization. Force
1480 non-register or memory operands into a register.
1482 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1484 * extend.texi: Reserve upper bits of memory model for future use.
1486 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1487 Anatoly Sokolov <aesok@post.ru>
1488 Eric Weddington <eric.weddington@atmel.com>
1491 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1492 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1493 Rewrite initializers for .macro.
1494 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1495 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1496 atxmega32d4, atxmega32x1.
1497 avrxmega4: atxmega64a3, atxmega64d3.
1498 avrxmega5: atxmega64a1, atxmega64a1u.
1499 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1500 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1501 avrxmega7: atxmega128a1, atxmega128a1u.
1502 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1503 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1504 (struct base_arch_s): Rename reserved to xmega_p.
1505 Rename reserved2 to have_rampd.
1506 (AVR_XMEGA): New define.
1507 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1508 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1509 * config/avr/predicates.md (io_address_operand): Take into
1511 (low_io_address_operand): Ditto.
1512 (high_io_address_operand): Ditto.
1513 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1514 (enabled, movhi_sp_r): Use them.
1515 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1516 cpp_define_formatted to built-in define __AVR_ARCH__.
1517 (__AVR_XMEGA__): New built-in define.
1518 (__AVR_HAVE_RAMPD__): New built-in define.
1519 (__AVR_HAVE_RAMPX__): New built-in define.
1520 (__AVR_HAVE_RAMPY__): New built-in define.
1521 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1523 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1524 (avr_option_override): Initialize them.
1525 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1526 (avr_init_expanders): Initialize them. No more block several calls.
1527 (emit_push_sfr): New static function.
1528 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1530 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1531 (avr_print_operand): Print addreeses as symbols for
1532 RAMPX, RAMPY, RAMPD, CCP.
1533 (output_movhi): Handle AVR_XMEGA when writing to SP.
1534 (avr_out_movhi_mr_r_xmega): New static function.
1535 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1536 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1537 __RAMPD__, __CCP__ as needed.
1539 * config/avr/multilib.h: Regenerate.
1540 * config/avr/t-multilib: Regenerate.
1541 * config/avr/avr-tables.opt: Regenerate.
1543 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1545 PR tree-optimization/50561
1546 * graphite-flattening.c (lst_project_loop): Do not
1547 remove old scattering dimensions after flattening.
1548 (lst_do_flatten): Likewise.
1550 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1552 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1553 __builtin_avr_map8, __builtin_avr_map16.
1554 Document __builtin_avr_insert_bits.
1556 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1557 (insert_bits): New insn.
1558 (adjust_len.map_bits): Rename to insert_bits.
1559 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1560 * avr-protos.h (avr_out_map_bits): Remove.
1561 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1562 * config/avr/constraints.md (Cxf,C0f): New.
1563 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1564 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1565 New built-in define __BUILTIN_AVR_INSERT_BITS.
1566 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1567 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1568 (avr_move_bits): Rewrite.
1569 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1571 (avr_map_op_t): New typedef.
1572 (avr_map_op): New static variable.
1573 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1574 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1575 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1576 (bdesc_3arg, avr_expand_triop_builtin): New.
1577 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1578 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1579 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1580 (avr_map_equal_p, avr_map_sig_p): Remove.
1581 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1582 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1583 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1584 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1585 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1586 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1588 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1590 * config/c6x/c6x.md (reserve_cycles): New attribute.
1591 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1592 don't reserve functional units after the branch occurs.
1594 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1597 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1598 functions into non-tm_pure functions.
1600 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1603 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1604 (iterative_hash_canonical_type): Likewise.
1605 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1608 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1610 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1611 sched-group insn, it either remains alone or the entire list is pruned.
1613 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1615 * doc/install.texi (Prerequisites): Fix grammar.
1616 (Configuration): Likewise.
1618 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1620 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1621 MPC as part of GCC before describing configuring with --with-gmp etc.
1622 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1623 sources are present.
1625 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1628 * dwarf2out.c (clone_tree_hash): New function.
1629 (copy_decls_walk): Use it instead of clone_tree.
1631 2012-02-14 Richard Guenther <rguenther@suse.de>
1633 PR tree-optimization/52244
1634 PR tree-optimization/51528
1635 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1636 replacements for integral types.
1638 2012-02-14 Walter Lee <walt@tilera.com>
1640 * config.gcc: Handle tilegx and tilepro.
1641 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1643 Add HAVE_AS_TLS check for tilegx and tilepro.
1644 * configure: Regenerate.
1645 * doc/contrib.texi: Add Mat Hostetter and self.
1646 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1647 Document instruction intrinsics and network accessing intrinsics.
1648 (TILEPro Built-in Functions): New node. Document instruction
1649 intrinsics and network accessing intrinsics.
1650 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1651 (Specific, tilepro-*-linux*): Likewise.
1652 * doc/invoke.texi (TILE-Gx Options): New section.
1653 (TILEPro Options): New section.
1654 * doc/md.texi (TILE-Gx): New section.
1655 (TILEPro): New section.
1656 * common/config/tilegx/tilegx-common.c: New file.
1657 * common/config/tilepro/tilepro-common.c: New file.
1658 * config/tilegx/constraints.md: New file.
1659 * config/tilegx/linux.h: New file.
1660 * config/tilegx/mul-tables.c: New file.
1661 * config/tilegx/predicates.md: New file.
1662 * config/tilegx/sync.md: New file.
1663 * config/tilegx/t-tilegx: New file.
1664 * config/tilegx/tilegx-builtins.h: New file.
1665 * config/tilegx/tilegx-c.c: New file.
1666 * config/tilegx/tilegx-generic.md: New file.
1667 * config/tilegx/tilegx-modes.def: New file.
1668 * config/tilegx/tilegx-multiply.h: New file.
1669 * config/tilegx/tilegx-protos.h: New file.
1670 * config/tilegx/tilegx.c: New file.
1671 * config/tilegx/tilegx.h: New file.
1672 * config/tilegx/tilegx.md: New file.
1673 * config/tilegx/tilegx.opt: New file.
1674 * config/tilepro/constraints.md: New file.
1675 * config/tilepro/gen-mul-tables.cc: New file.
1676 * config/tilepro/linux.h: New file.
1677 * config/tilepro/mul-tables.c: New file.
1678 * config/tilepro/predicates.md: New file.
1679 * config/tilepro/t-tilepro: New file.
1680 * config/tilepro/tilepro-builtins.h: New file.
1681 * config/tilepro/tilepro-c.c: New file.
1682 * config/tilepro/tilepro-generic.md: New file.
1683 * config/tilepro/tilepro-modes.def: New file.
1684 * config/tilepro/tilepro-multiply.h: New file.
1685 * config/tilepro/tilepro-protos.h: New file.
1686 * config/tilepro/tilepro.c: New file.
1687 * config/tilepro/tilepro.h: New file.
1688 * config/tilepro/tilepro.md: New file.
1689 * config/tilepro/tilepro.opt: New file.
1691 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1693 PR tree-optimization/52210
1694 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1695 vect_model_simple_cost with two entry vect_def_type array instead
1696 of an address of dt.
1698 2012-02-14 Richard Guenther <rguenther@suse.de>
1701 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1702 Do not stream DECL_QUALIFIER.
1703 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1704 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1705 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1707 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1710 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1713 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1716 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1717 * cselib.c (cselib_subst_to_values_from_insn): New function.
1718 * sched-deps.c (add_insn_mem_dependence,
1719 sched_analyze_1, sched_analyze_2): Use it.
1721 2012-02-13 Jan Hubicka <jh@suse.cz>
1724 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1726 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1728 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1729 (GTM_SELF_SPECS): Define if not already defined.
1730 (driver_self_specs): Add GTM_SELF_SPECS.
1731 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1732 (GTM_SELF_SPECS): Define.
1733 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1734 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1736 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1738 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1741 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1744 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1745 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1747 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1750 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1752 2012-02-13 Richard Guenther <rguenther@suse.de>
1754 PR translation/52211
1755 * passes.c (enable_disable_pass): Fix typo.
1757 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1760 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1761 XOR for reduce_bit_field if type is unsigned.
1763 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1765 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1766 disallow changes from SFmode to mode with different size in FP regs.
1768 2012-02-12 Robert Millan <rmh@gnu.org>
1769 Gerald Pfeifer <gerald@pfeifer.com>
1771 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1774 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1776 PR rtl-optimization/52175
1777 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1778 to frame-related instructions.
1780 2012-02-10 Jason Merrill <jason@redhat.com>
1783 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1784 (demangle_new_symbols): Fill it.
1785 (scan_linker_output): Walk it.
1786 (start_tweaking): Split out from scan_linker_output.
1787 (maybe_tweak): Update sym->chosen.
1788 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1790 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1793 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1795 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1797 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1798 having the same mode as previous compare.
1800 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1802 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1803 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1804 (nonlocal_goto_internal): Likewise.
1805 (nonlocal_goto): Emit a use and an indirect jump directly.
1807 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1810 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1811 __atomic_{is,always}_lock_free.
1813 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1816 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1817 negative constant address for x32.
1819 2012-02-10 Richard Henderson <rth@redhat.com>
1821 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1822 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1823 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1825 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1826 Ira Rosen <irar@il.ibm.com>
1828 PR tree-optimization/50031
1829 * targhooks.c (default_builtin_vectorization_cost): Handle
1831 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1832 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1833 all types of reduction and pattern statements.
1834 (vect_estimate_min_profitable_iters): Likewise.
1835 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1836 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1837 for explicit realigns.
1838 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1839 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1841 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1842 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1843 vec_perm for VSX and handle vec_promote_demote.
1845 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1848 * builtins.c (fold_builtin_atomic_always_lock_free,
1849 expand_builtin_atomic_always_lock_free,
1850 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1851 Return and/or test boolean_true_node/boolean_false_node instead of
1852 integer_one_node/integer_zero_node.
1854 2012-02-10 Jan Hubicka <jh@suse.cz>
1857 * predict.c (predict_paths_for_bb): Prevent looping.
1858 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1860 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1862 * config/arm/arm.c (output_move_double): In one case properly
1863 count number of instructions that will be emitted.
1865 2012-02-10 Richard Guenther <rguenther@suse.de>
1867 PR translation/52193
1868 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1870 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1873 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1875 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1878 * var-tracking.c (emit_note_insn_var_location): If
1879 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1880 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1881 non-NOTE_DURING_CALL_P insn.
1883 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1886 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1888 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1891 * gcc.c (switch_matches) Support switches with separated form,
1894 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1896 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1898 (RAMPZ_ADDR): Ditto.
1899 * config/avr/avr.c (avr_addr_t): New typedef.
1900 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1901 (avr_init_expanders): Initialize it.
1902 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1904 (expand_epilogue): Ditto.
1905 (avr_print_operand): Ditto.
1906 (avr_file_start): Ditto.
1907 (avr_emit_movmemhi): Ditto.
1909 2012-02-08 Richard Guenther <rguenther@suse.de>
1911 PR tree-optimization/46886
1912 * tree-flow.h (do_while_loop_p): Declare.
1913 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1914 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1916 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1918 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1919 always succeed for integers larger than a native word.
1921 2012-02-08 Richard Guenther <rguenther@suse.de>
1923 PR rtl-optimization/52170
1924 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1925 properly handle integer vector modes.
1927 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1929 PR gcov-profile/52150
1930 * coverage.c: Include target.h.
1931 (build_var): Call targetm.strip_name_encoding on the assembler name.
1932 Change one _ into . or $ if the target allows it.
1933 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1935 PR rtl-optimization/52139
1936 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1937 is a BARRIER after emit_insn_after_noloc, move BB_END
1938 to the last non-BARRIER insn before it.
1940 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1943 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1944 (mips_gimplify_va_arg_expr): Call it instead of
1945 std_gimplify_va_arg_expr.
1947 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1949 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1950 message for -mno-pointers-to-nested-function.
1952 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1955 * expr.c (get_inner_reference): If there is an offset, add a negative
1956 bit position to it (if any).
1958 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1960 PR rtl-optimization/52060
1961 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1962 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1963 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1964 and/or i0src_copy2 when needed.
1966 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1968 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1969 or LTOPLUGINSONAME if have_c.
1971 * config/freebsd-spec.h: Add comment about what macros can be defined
1973 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1974 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1977 2012-02-07 Richard Guenther <rguenther@suse.de>
1979 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1980 newline in -alias dumps.
1982 2012-02-07 Kai Tietz <ktietz@redhat.com>
1983 Dave Korn <dave.korn.cygwin@gmail.com>
1986 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1987 Take care that typinfo gets dllexport-attribute.
1989 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1992 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1993 if modifier < EXPAND_SUM call force_operand on the result.
1995 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1997 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1998 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2000 (epiphany_function_type): Replace types for specific interrupts with
2001 EPIPHANY_FUNCTION_INTERRUPT.
2002 (EPIPHANY_INTERRUPT_P): Update.
2003 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2004 New static function.
2005 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2006 <disinterrupt>: Affects type identity.
2007 (epiphany_handle_interrupt_attribute): Handle variable number of
2009 (epiphany_compute_function_type): Update for new
2010 epiphany_function_type definition.
2011 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2012 handlers with a longcall forwarder.
2013 (epiphany_start_function): Handle multiple interrupt arguments and/or
2014 forwarder_section attribute.
2016 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2019 2012-02-07 Alan Modra <amodra@gmail.com>
2022 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2025 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2027 PR tree-optimization/50969
2028 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2029 use vec_perm rather than vector_stmt.
2030 (vect_model_load_cost): Likewise.
2031 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2032 vec_perm to be the same as other vector statements.
2033 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2034 cost of vec_perm for TARGET_VSX.
2036 2012-02-06 Richard Guenther <rguenther@suse.de>
2038 PR tree-optimization/52115
2039 * tree-sra.c (access_has_replacements_p): New function.
2040 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2042 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2045 * trans-mem.c (expand_call_tm): Add an assertion.
2046 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2049 2012-02-06 Richard Guenther <rguenther@suse.de>
2051 PR tree-optimization/50955
2052 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2053 raise cost of expressions that replace an address with an
2054 expression based on a different pointer.
2056 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2059 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2060 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2062 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2065 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2066 -Weffc++ and specify guidelines come from second edition.
2068 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2070 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2071 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2072 (call_direct_split, call_value_split, call_value_internal_direct)
2073 (call_value_direct_split, call_value_multiple_split): Use jal and
2074 jal_macro attributes.
2076 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2078 * reload1.c (reload_regs_reach_end_p): Replace with...
2079 (reload_reg_rtx_reaches_end_p): ...this function.
2080 (new_spill_reg_store): Update commentary.
2081 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2082 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2083 before setting new_spill_reg_store.
2084 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2085 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2086 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2087 for non-spill reload registers.
2089 2012-02-05 Ira Rosen <irar@il.ibm.com>
2091 PR tree-optimization/52091
2092 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2093 (vect_is_simple_use_1): Likewise.
2094 * tree-vect-loop.c (vectorizable_reduction): Update calls
2095 to vect_is_simple_use_1 and vect_is_simple_use.
2096 (vectorizable_live_operation): Likewise.
2097 * tree-vect-patterns.c (widened_name_p,
2098 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2099 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2100 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2101 vectorizable_shift,vectorizable_operation, vectorizable_store,
2102 vectorizable_load): Likewise.
2103 (vect_is_simple_cond): Add an argument, pass it to
2104 vect_is_simple_use_1.
2105 (vectorizable_condition): Update calls to vect_is_simple_cond,
2107 (vect_is_simple_use): Add an argument, the statement in which
2108 OPERAND is used. Check that if OPERAND's def stmt is a double
2109 reduction phi node, the use is a phi node too.
2110 (vect_is_simple_use_1): Add an argument, pass it to
2112 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2113 to vect_is_simple_use.
2115 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2117 PR rtl-optimization/52095
2118 * modulo-sched.c (dump_insn_locator): New function.
2119 (loop_canon_p, sms_schedule): Use it.
2121 PR rtl-optimization/52113
2122 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2123 even for decomposable shift/zext insns.
2125 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2126 Zdenek Dvorak <ook@ucw.cz>
2128 PR rtl-optimization/52092
2129 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2130 on get_iv_value result.
2132 2012-02-02 Andrew Pinski <apinski@cavium.com>
2136 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2138 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2141 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2143 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2145 PR rtl-optimization/49800
2146 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2147 (sched_finish): Call regstat_free_n_sets_and_refs.
2149 2012-02-02 Jia Liu <proljc@gmail.com>
2151 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2154 2012-02-02 Jan Hubicka <jh@suse.cz>
2155 Tom de Vries <tom@codesourcery.com>
2158 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2159 * varpool.c (varpool_analyze_pending_decls): Likewise.
2161 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2162 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2164 * config.gcc: Add cr16-* support.
2166 * doc/extend.texi: Document cr16 extensions.
2167 * doc/install.texi: Document cr16 install.
2168 * doc/invoke.texi: Document cr16 options.
2169 * doc/md.texi: Document cr16 constraints.
2171 * common/config/cr16/cr16-common.c: New file.
2172 * config/cr16/cr16.c: New file.
2173 * config/cr16/cr16.h: New file.
2174 * config/cr16/cr16.md: New file.
2175 * config/cr16/cr16.opt: New file.
2176 * config/cr16/cr16-protos.h: New file.
2177 * config/cr16/predicates.md: New file.
2178 * config/cr16/constraints.md: New file.
2179 * config/cr16/t-cr16: New file.
2181 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2184 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2185 that operands[2] is either immediate, or q_regs_operand.
2187 PR tree-optimization/52073
2188 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2189 a pattern stmt for pattern uses, ignore uses outside of the loop.
2191 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2193 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2194 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2195 (OUT_AS1, OUT_AS2): Remove.
2197 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2199 PR rtl-optimization/51374
2200 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2201 to cross other volatile_refs_p insns.
2203 2012-02-01 Richard Guenther <rguenther@suse.de>
2205 * doc/invoke.texi (fno-inline): Clarify documentation.
2206 (finline-small-functions): Likewise.
2207 (finline-functions): Likewise.
2208 * common.opt (finline): Adjust comment and documentation.
2209 (finline-small-functions): Clarify documentation.
2210 (finline-functions): Likewise.
2211 (finline-functions-called-once): Likewise.
2213 2012-02-01 Tristan Gingold <gingold@adacore.com>
2215 * c-typeck.c (composite_type): Keep mode for pointers.
2217 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2219 * function.h (regno_reg_rtx): Adjust comment.
2220 * reginfo.c (init_reg_modes_target): Only use the previous mode
2221 if it fits within one register. Remove MIPS comment.
2223 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2226 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2228 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2230 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2231 to srak instruction.
2233 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2235 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2237 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2242 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2244 2012-01-31 Richard Guenther <rguenther@suse.de>
2246 PR tree-optimization/51528
2247 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2250 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2255 * ree.c (add_removable_extension): Change def_map argument
2256 to unsigned *, store in def_map 1 + offset into *insn_list vector
2257 instead of pointers into the vector.
2258 (find_removable_extensions): Adjust caller.
2260 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2262 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2263 Transform all "* quoted-c-code" to { c-code }.
2264 Remove redundant test for "optimize" in combine patterns.
2265 Move (include "avr-dimode.md") to end of file.
2267 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2270 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2271 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2273 2012-01-30 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/52028
2276 * tree-loop-distribution.c (ldist_gen): Properly update
2279 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2282 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2283 set_cur_line_info_table if not emitting debug info.
2285 PR tree-optimization/52046
2286 * tree-vect-patterns.c (check_bool_pattern): Give up if
2287 a comparison could throw.
2290 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2292 2012-01-30 Richard Guenther <rguenther@suse.de>
2294 PR tree-optimization/52045
2295 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2296 SSA form if cfgcleanup did anything.
2298 2012-01-30 Richard Guenther <rguenther@suse.de>
2300 PR tree-optimization/52045
2301 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2302 before computing final todo.
2304 2012-01-30 Richard Guenther <rguenther@suse.de>
2306 PR tree-optimization/51528
2307 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2310 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2312 * df-problems.c (df_kill_notes): Check that the use refers
2313 to the note under examination.
2315 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2318 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2319 parameter and use short-lived pseudos.
2320 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2321 (sparc_expand_vector_init): Const-ify local variables and adjust
2322 calls to above functions.
2324 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2326 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2328 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2330 * doc/invoke.texi: Make usage of "compile time" and
2331 "run time"/"runtime" consistent throughout the file.
2333 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2335 * config/alpha/alpha.c (alpha_option_override): Default to
2336 full IEEE compliance mode for Go language.
2338 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2340 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2341 (LINK_SSP_SPEC): Define.
2343 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2346 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2349 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2351 * doc/invoke.texi: Correct hyphenation of "floating point",
2352 "double precision", and related terminology throughout the file.
2354 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2357 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2358 arm_general_register_operand predicate for operand 2 instead of
2361 2012-01-27 Ian Lance Taylor <iant@google.com>
2364 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2365 * builtins.c (expand_builtin_init_trampoline): Add onstack
2366 parameter. Change caller.
2367 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2368 * tree.c (build_common_builtin_nodes): Declare
2369 __builtin_init_heap_trampoline.
2371 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2373 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2374 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2375 * config/avr/avr.c: Ditto.
2376 (avr_regnames): Remove because unused.
2377 * config/avr/avr.md (*cpse.ne): New peephole.
2378 (*cpse.eq): New peephole from former cpse peepholes.
2380 2012-01-27 Michael Eager <eager@eagercon.com>
2382 * config/microblaze.c (microblaze_emit_compare): Correct
2383 test after pcmp instruction.
2385 2012-01-27 Richard Guenther <rguenther@suse.de>
2387 PR tree-optimization/52020
2388 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2390 2012-01-27 Richard Guenther <rguenther@suse.de>
2392 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2393 function non-const/pure.
2395 2012-01-27 Richard Guenther <rguenther@suse.de>
2397 PR tree-optimization/50444
2398 * tree-sra.c (build_ref_for_offset): Properly adjust the
2399 MEM_REF type for unaligned accesses.
2401 2012-01-27 Richard Guenther <rguenther@suse.de>
2403 PR tree-optimization/50444
2404 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2405 (expand_assignment): Use it. Properly handle misaligned
2406 bases when expanding stores to component references.
2407 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2410 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2413 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2414 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2415 * tree-data-ref.c (find_data_references_in_loop): Make static.
2416 (compute_all_dependences): Change return type to bool. Bail out
2417 for too many datarefs in a loop. Move the hunk resetting the data
2418 dependences vector from ...
2419 (compute_data_dependences_for_loop): ... here. Account for
2420 compute_all_dependences returning false.
2421 (compute_data_dependences_for_bb): Likewise.
2422 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2423 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2425 2012-01-27 Richard Guenther <rguenther@suse.de>
2428 * expr.c (store_field): Use the alias-set of the scratch memory
2431 2012-01-27 Tom de Vries <tom@codesourcery.com>
2433 PR tree-optimization/51990
2434 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2436 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2438 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2441 * var-tracking.c (reverse_op): Don't add any reverse operation
2442 if V already has any constant locations.
2444 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2446 * doc/invoke.texi: Correct usage of "command line" (noun)
2447 vs "command-line" (adjective) throughout.
2449 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2451 * doc/invoke.texi (Language Independent Options): Move
2452 -Wcoverage-mismatch blurb from here....
2453 (Warning Options): ...to here.
2455 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2457 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2458 Set rs6000_always_hint to false for 476.
2460 2012-01-27 Matthias Klose <doko@ubuntu.com>
2462 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2464 * incpath.c (add_standard_paths): Likewise.
2466 2012-01-27 Richard Henderson <rth@redhat.com>
2468 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2469 * config/m68k/sync.md (atomic_test_and_set): Rename from
2470 sync_test_and_setqi and adjust the operands.
2471 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2472 and unconditionally enable.
2474 2012-01-27 Richard Henderson <rth@redhat.com>
2476 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2477 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2478 (ldstub): Rename from ldstubqi.
2479 (ldstub<I24MODE>): Remove.
2481 2012-01-27 Richard Henderson <rth@redhat.com>
2483 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2484 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2485 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2486 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2487 * doc/tm.texi: Rebuild.
2489 2012-01-27 Richard Henderson <rth@redhat.com>
2491 * optabs.c (gen_atomic_test_and_set): Remove default.
2492 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2494 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2496 PR rtl-optimization/51978
2497 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2498 (combine_reaching_defs): Likewise.
2499 (struct re_info): Remove.
2500 (add_removable_extension): Remove x and data arguments,
2501 add insn, insn_list and def_map. Use the arguments directly
2502 instead of using struct re_info.
2503 (find_removable_extensions): Don't call add_removable_extension
2504 through note_stores, instead just call it with single_set
2506 (find_and_remove_re): Pass curr_cand->expr instead of
2507 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2509 2012-01-26 Michael Matz <matz@suse.de>
2511 PR tree-optimization/46590
2512 * cfgexpand.c: Revert last change (r183305).
2513 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2515 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2516 checking for emptiness.
2518 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2521 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2522 non-addressable non-BLKmode base correctly.
2524 2012-01-26 Michael Matz <matz@suse.de>
2526 PR tree-optimization/48794
2527 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2528 regions referenced from RESX/EH_DISPATCH.
2530 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2532 * config/s390/s390.h: Make BRANCH_COST an option.
2533 * config/s390/s390.opt: New option -mbranch-cost.
2535 2012-01-26 Richard Henderson <rth@redhat.com>
2537 Revert 2012-01-24 change:
2538 * trans-mem.c (requires_barrier): Do not instrument thread local
2539 variables and emit save/restore for them.
2541 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2544 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2547 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2549 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2552 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2555 Rename __pgm to __flash.
2556 Rename __pgm1 to __flash1.
2557 Rename __pgm2 to __flash2.
2558 Rename __pgm3 to __flash3.
2559 Rename __pgm4 to __flash4.
2560 Rename __pgm5 to __flash5.
2561 Rename __pgmx to __memx.
2562 * doc/extend.texi (AVR Named Address Spaces)
2563 Rename address space names as indicated above.
2564 * config/avr/avr.c (avr_addrspace): Ditto.
2566 * config/avr/avr-protos.h
2567 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2568 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2569 * config/avr/predicates.md: Ditto.
2570 * config/avr/avr.c Ditto, and
2571 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2572 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2574 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2575 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2576 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2577 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2578 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2579 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2580 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2581 * config/avr/avr.c: Ditto.
2582 * config/avr/avr.md: Ditto.
2584 2012-01-25 Jason Merrill <jason@redhat.com>
2587 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2589 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2591 PR tree-optimization/51987
2592 * tree-data-ref.c (get_references_in_stmt): Handle references in
2593 non-volatile GIMPLE_ASM.
2595 2012-01-25 Richard Guenther <rguenther@suse.de>
2597 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2598 bases are dereferenced.
2600 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2602 PR rtl-optimization/48374
2603 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2605 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2607 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2608 compute_data_dependences_for_loop returns false.
2609 * tree-parloops.c (loop_parallel_p): Likewise.
2611 2012-01-25 Richard Guenther <rguenther@suse.de>
2613 * tree.h (get_pointer_alignment_1): Declare.
2614 * builtins.c (get_pointer_alignment_1): New function.
2615 (get_pointer_alignment): Use it.
2617 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2619 PR rtl-optimization/48308
2620 * combine.c (enum undo_kind): Add UNDO_LINKS.
2621 (struct undo): Add member l to other_contents and where.
2622 (do_SUBST_LINK): New.
2624 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2625 (undo_all): Handle UNDO_LINKS.
2627 2012-01-25 Richard Henderson <rth@redhat.com>
2629 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2632 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2634 * optabs.c (gen_atomic_test_and_set): Use each argument.
2636 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2638 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2639 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2640 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2641 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2642 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2643 TARGET_PAIRED_SINGLE_FLOAT.
2645 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2647 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2648 (in_struct, return_val): Remove MEM documentation.
2649 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2650 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2651 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2653 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2654 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2655 * expr.c (store_field): Likewise.
2656 * function.c (assign_stack_temp_for_type): Likewise.
2657 * ifcvt.c (noce_try_cmove_arith): Likewise.
2658 * reload1.c (reload): Likewise.
2659 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2660 (alpha_set_memflags): Likewise.
2661 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2663 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2665 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2667 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2668 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2669 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2671 * cselib.c (cselib_rtx_varies_p): Delete.
2672 (cselib_invalidate_mem): Update call to canon_true_dependence.
2673 * dse.c (record_store, check_mem_read_rtx): Likewise.
2674 (scan_reads_nospill): Likewise.
2675 * cse.c (check_dependence): Likewise.
2676 (cse_rtx_varies_p): Delete.
2677 * expr.c (safe_from_p): Update call to true_dependence.
2678 * ira.c (validate_equiv_mem_from_store): Likewise.
2679 (memref_referenced_p): Likewise.
2680 * postreload-gcse.c (find_mem_conflicts): Likewise.
2681 * sched-deps.c (sched_analyze_2): Likewise.
2682 * store-motion.c (load_kills_store): Likewise.
2683 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2684 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2685 (compute_transp): Update call to canon_true_dependence.
2687 2012-01-25 Richard Henderson <rth@redhat.com>
2689 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2690 (maybe_emit_atomic_test_and_set): New.
2691 (expand_sync_lock_test_and_set): Use it.
2692 (expand_atomic_test_and_set): Likewise.
2693 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2694 the implementation; clarify implementation defined details.
2695 * doc/md.texi (atomic_test_and_set): Document.
2697 2012-01-25 Richard Henderson <rth@redhat.com>
2699 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2701 2012-01-25 Richard Henderson <rth@redhat.com>
2704 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2705 to effect no-op split.
2707 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2710 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2711 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2712 (BT_FN_VOID_PTR_INT_SIZE): New.
2713 (BT_FN_UINT_UINT_VAR): Remove.
2714 (BT_FN_UINT32_UINT32_VAR): New.
2715 (BT_FN_DOUBLE_VPTR): Remove.
2716 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2718 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2719 (_ITM_changeTransactionMode): Same.
2720 (_ITM_memmoveRtWt): Change return type to void.
2721 (_ITM_memcpyRtWt): Same.
2722 (_ITM_memsetW): Same.
2723 (_ITM_RaRD): Change types to double.
2728 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2730 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2731 Patrick Marlier <patrick.marlier@gmail.com>
2733 * trans-mem.c (requires_barrier): Do not instrument thread local
2734 variables and emit save/restore for them.
2736 2012-01-24 Jason Merrill <jason@redhat.com>
2739 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2740 output static aliases.
2742 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2745 * common.opt (-pie, -shared, pie, shared): Change from Common to
2747 * gcc.c (display_help): Display help for -pie and -shared.
2749 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2752 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2753 Remove note on size/offset limitation.
2754 (AVR Variable Attributes): Add example how to read data located
2755 with progmem. Refer to named address spaces.
2756 * doc/invoke.texi (AVR Options): Fix typo.
2758 2012-01-24 Richard Guenther <rguenther@suse.de>
2760 Forward-port to trunk
2761 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2764 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2765 op0 isn't sufficiently aligned and there is movmisalignM
2766 insn for mode, use it to load op0 into a temporary register.
2768 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2771 * target.def (const_not_ok_for_debug_p): New hook.
2772 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2774 * doc/tm.texi: Regenerated.
2775 * dwarf2out.c (const_ok_for_output_1): If
2776 targetm.const_not_ok_for_debug_p returns true, fail.
2777 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2779 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2781 2012-01-23 Kai Tietz <ktietz@redhat.com>
2784 * config/i386/predicates.md (symbolic_operand): Allow
2785 UNSPEC_PCREL as PIC expression for lea.
2786 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2787 * config/i386/i386.c (ix86_delegitimize_address): Handle
2788 UNSPEC_PCREL for none-MEM, too.
2790 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2792 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2793 (ipa_tm_create_version_alias): Same.
2795 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2798 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2799 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2801 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2802 Patrick Marlier <patrick.marlier@gmail.com>
2803 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2806 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2807 simple_object_start_read.
2809 2012-01-23 Richard Guenther <rguenther@suse.de>
2812 PR tree-optimization/51895
2813 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2814 parameter decomposition into BLKmode components.
2816 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2818 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2819 fake variables for restrict-qualified pointers whose pointed-to type
2820 contains a placeholder.
2822 2012-01-23 Richard Guenther <rguenther@suse.de>
2824 PR tree-optimization/51949
2825 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2827 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2829 PR rtl-optimization/51933
2830 * ree.c (transform_ifelse): Return true right away if dstreg is
2831 already wider or equal to cand->mode.
2832 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2833 (make_defs_and_copies_lists): Remove defs_list and copies_list
2834 arguments, add state argument, just truncate state->work_list
2835 instead of always allocating and freeing the vector. Assert that
2836 get_defs succeeds instead of returning 2. Changed return type to bool.
2837 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2838 have ext_src_mode, see if it has been modified already with the
2839 right kind of extension and has been extended before from the
2840 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2841 just return true. Remember the original mode in state->modified array.
2842 (combine_reaching_defs): Add state argument. Don't allocate and
2843 free here def_list, copied_list and vec vectors, instead just
2844 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2845 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2846 Add state variable, clear vectors in it, initialize state.modified
2847 if needed. Free all the vectors at the end and state.modified too.
2848 Don't skip a candidate if the extension expression has been modified.
2850 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2853 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2854 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2855 (extra_options) interix.opt -> i386/interix.opt"
2856 (extra_objs):Add winnt-stubs.o
2857 * configure.ac: Add interix to target_os .comm on PE check.
2858 * configure: Regenerate.
2859 * config/interix3.h: Delete and move bits to..
2860 * config/interix.h: Delete and move bits to..
2861 * config/i386/i386-interix3.h: Delete and move bits to..
2862 * config/i386/i386-interix.h: ..here.
2863 (TARGET_CPU_DEFAULT): Remove redefinition.
2864 (TARGET_ASM_CONSTRUCTOR): Undefine.
2865 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2866 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2867 (PTRDIFF_TYPE): Define.
2868 (LONG_DOUBLE_TYPE_SIZE): Define.
2869 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2870 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2871 (TARGET_SECTION_TYPE_FLAGS): Define.
2872 (ASM_DECLARE_FUNCTION_NAME): Define.
2873 (ASM_OUTPUT_EXTERNAL): Define.
2874 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2875 (ASM_OUTPUT_ALIGNED_BSS): Define.
2876 (PCC_BITFIELD_TYPE_MATTERS): Define.
2877 (USE_CONST_SECTION): Define.
2878 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2879 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2880 (SUPPORTS_ONE_ONLY): Remove.
2881 (I386_PE_STRIP_ENCODING): Define.
2882 * config/interix.opt: Delete and move bits to..
2883 * config/i386/interix.opt: ..here. New.
2884 (mpe-aligned-commons): Add.
2885 * config/i386/t-interix: Add copyright header.
2886 (winnt-stubs.o): Add rule.
2888 2012-01-22 Jason Merrill <jason@redhat.com>
2891 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2892 for extra name aliases.
2894 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2896 PR rtl-optimization/51924
2897 * ree.c (combine_set_extension): Improve debugging message.
2898 (combine_reaching_defs): Likewise.
2899 (get_defs): Rename confusingly named variable.
2900 (find_and_remove_re): Skip a candidate if the extension expression has
2903 2012-01-21 Robert Millan <rmh@gnu.org>
2904 Gerald Pfeifer <gerald@pfeifer.com>
2906 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2907 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2909 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2911 PR tree-optimization/51914
2912 * tree-vect-stmts.c (vectorizable_conversion): For
2913 cvt_type && modifier == WIDEN, put temporary with cvt_type
2914 at the beginning of vec_dsts and set vec_dest to temporary
2917 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2919 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2921 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2923 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2924 * config/rs6000/rs6000.c: Likewise.
2926 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2929 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2930 output_move_double on a copy of operands array.
2932 2012-01-20 Cary Coutant <ccoutant@google.com>
2933 Dodji Seketeli <dodji@redhat.com>
2936 * dwarf2out.c (copy_declaration_context): Return ref to parent
2937 of declaration DIE, if necessary.
2938 (remove_child_or_replace_with_skeleton): Add new parameter; update
2939 caller. Place skeleton DIE under parent DIE of original declaration.
2940 Move call to copy_declaration_context to here ...
2941 (break_out_comdat_types): ... from here.
2943 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2945 PR rtl-optimization/51856
2946 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2949 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2952 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2953 hints for neon loads and stores.
2955 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2959 * doc/extend.texi (Named Address Spaces): Split into subsections.
2960 (AVR Named Address Spaces): New subsection.
2961 (M32C Named Address Spaces): New subsection.
2962 (RL78 Named Address Spaces): New subsection.
2963 (SPU Named Address Spaces): New subsection.
2964 (Variable Attributes): New anchor "AVR Variable Attributes".
2965 (AVR Variable Attributes): Rewrite and avoid wording
2966 "address space" in this context.
2967 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2968 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2969 (AVR Built-in Macros): New subsubsection therein.
2970 * doc/md.texi (AVR constraints): Remove "C04", "R".
2972 2012-01-20 Richard Guenther <rguenther@suse.de>
2974 PR tree-optimization/51903
2975 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2976 when removing stmts.
2978 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2981 * config/arm/arm.c (arm_load_pic_register): Use
2982 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2983 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2984 (arm_pic_static_addr): Likewise.
2985 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2986 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2987 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2988 (pic_load_addr_unified): New.
2990 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2993 * function.c (instantiate_virtual_regs_in_insn): Use
2994 delete_insn_and_edges when removing a wrong asm insn.
2996 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2998 PR rtl-optimization/40761
2999 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3000 Add new member loop_num.
3001 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3002 (ira_build): Remove the parameter.
3004 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3005 (ira.c): Do not build CFG loops for one region allocation. Remove
3006 argument from ira_build call.
3008 * ira-build.c (init_loop_tree_node): New function.
3009 (create_loop_tree_nodes): Use it. Separate the case when CFG
3010 loops are not built.
3011 (more_one_region_p): Check current_loops.
3012 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3014 (add_loop_to_tree): Process loop equal to NULL too.
3015 (form_loop_tree): Separate the case when CFG loops are not built.
3016 Use explicitly number for the root.
3017 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3019 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3020 instead of loop->num.
3021 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3022 (mark_all_loops_for_removal): Ditto.
3023 (remove_unnecessary_regions): Separate the case when CFG loops
3025 (ira_build): Remove the parameter. Use explicit number of regions
3026 when CFG loops are not built.
3028 * ira-color.c (print_loop_title): Separate the case for the root node.
3029 Use loop_num instead of loop->num.
3030 (move_spill_restore): Use loop_num instead of loop->num.
3032 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3033 (change_loop): Ditto.
3034 (change_loop): Use loop_num instead of loop->num.
3036 * ira-lives.c (process_bb_node_lives): Ditto.
3038 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3040 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3042 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3045 * tree-mudflap.c (mf_artificial): New function.
3046 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3047 mx_register_decls, mudflap_enqueue_decl): Use it.
3050 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3051 numbers in the insn pattern.
3053 2012-01-19 Michael Matz <matz@suse.de>
3055 PR tree-optimization/46590
3056 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3057 use it in remembering which conflicts we already created.
3058 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3061 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3064 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3065 (merge_and_complain): Same.
3067 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3070 * config/initfini-array.h: Guard content of the header
3071 with #ifdef HAVE_INITFINI_ARRAY.
3072 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3073 Add initfini-array.h to tm_file here.
3074 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3075 * config.gcc: Don't add initfini-array.h to tm_file here.
3076 * configure: Regenerated.
3078 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3080 PR rtl-optimization/51505
3081 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3082 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3083 (df_note_bb_compute): Update the call to df_kill_notes.
3085 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3087 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3089 2012-01-18 Richard Guenther <rguenther@suse.de>
3091 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3092 of conversions to void *.
3094 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3095 Richard Sandiford <rdsandiford@googlemail.com>
3099 * optabs.h (simplify_expand_binop): Declare.
3100 * optabs.c (simplify_expand_binop): Make global.
3101 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3102 endian targets if the source cannot be exactly covered by word
3105 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3108 * hard-reg-set.h (struct hard_reg_set_container): New type.
3109 * target.h (struct hard_reg_set_container): Forward declare.
3110 * target.def (set_up_by_prologue): New target hook.
3111 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3112 * doc/tm.texi: Regenerated.
3113 * function.c (thread_prologue_and_epilogue_insns): Change
3114 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3115 Call targetm.set_up_by_prologue on it.
3116 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3117 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3119 2012-01-17 Nick Clifton <nickc@redhat.com>
3121 * config/rx/rx.c (rx_can_use_simple_return): New function.
3122 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3123 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3125 2012-01-17 Richard Guenther <rguenther@suse.de>
3128 * expr.c (expand_assignment): Take address-space information
3129 from the address operand of MEM_REF and TARGET_MEM_REF.
3130 (expand_expr_real_1): Likewise.
3132 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3134 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3135 reload dump is requested.
3137 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3140 * trans-mem.c (requires_barrier): Call may_be_aliased.
3142 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3144 PR tree-optimization/51877
3145 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3146 call arguments and fndecls compare equal, instead return false if they
3147 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3148 both SSA_NAMEs that are valueized the same, or they satisfy
3151 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3153 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3155 * configure: Regenerate.
3157 2012-01-16 Jan Hubicka <jh@suse.cz>
3161 * convert.c (convert_to_integer): Use fold_convert for
3162 converting an INTEGER_CST to integer type.
3164 2012-01-16 Jason Merrill <jason@redhat.com>
3167 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3169 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3172 * config/s390/s390.c (s390_chunkify_start): Don't skip
3173 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3174 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3175 If insn is followed by NOTE_INSN_VAR_LOCATION or
3176 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3177 Don't use location of note insns.
3179 PR tree-optimization/51865
3180 * tree-inline.c (tree_function_versioning): Call remap_decl
3181 on DECL_RESULT whenever it has VOID_TYPE_P type.
3183 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3185 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3186 for calls to locally-binding MIPS16 functions if only the return
3187 type uses float regs.
3189 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3190 Richard Sandiford <rdsandiford@googlemail.com>
3192 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3193 (SYMBOL_32_HIGH): Likewise.
3194 (mips_output_tls_reloc_directive): Declare.
3195 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3196 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3197 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3198 (mips_lo_relocs, mips_hi_relocs): Make extern.
3199 (mips16_stub_function): Move up file.
3200 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3201 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3202 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3203 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3204 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3205 (mips_get_tp): Add MIPS16 support.
3206 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3207 Generalize DTPREL and TPREL handling.
3208 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3209 Add MIPS16 TLS support.
3210 (mips_output_tls_reloc_directive): New function.
3211 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3212 * config/mips/predicates.md (symbolic_operand_with_high)
3213 (tls_reloc_operand): New predicates.
3214 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3215 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3216 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3217 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3218 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3219 (*tls_get_tp_mips16_call_<mode>): Likewise.
3221 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3223 PR rtl-optimization/51821
3224 * recog.c (peep2_find_free_register): Determine clobbered registers
3227 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3230 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3231 * config/avr/avr.c: Likewise.
3232 * config/avr/avr.h: Likewise.
3234 2012-01-13 Ian Lance Taylor <iant@google.com>
3237 * tree.h (TYPE_QUALS): Add cast to int.
3238 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3240 2012-01-13 Ian Lance Taylor <iant@google.com>
3242 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3243 comparing param_index to VEC_length result.
3245 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3247 * c-decl.c: Do not include tree-mudflap.h
3248 * tree-optimize.c: Likewise.
3249 * Makefile.in: Update dependencies.
3251 2012-01-13 Richard Guenther <rguenther@suse.de>
3254 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3255 variable-sized result always use RSO.
3257 2012-01-12 DJ Delorie <dj@redhat.com>
3259 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3260 pointer type, not just the default pointer type.
3262 2012-01-09 Richard Henderson <rth@redhat.com>
3263 Denis Chertykov <chertykov@gmail.com>
3266 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3267 * config/avr/avr.c (avr_can_eliminate): Simplify.
3268 (avr_initial_elimination_offset): Likewise.
3269 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3270 (expand_epilogue): Likewise.
3271 (avr_legitimize_address): Gut.
3272 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3273 (avr_hard_regno_nregs): New.
3274 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3275 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3276 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3277 add soft frame pointer.
3278 (CALL_USED_REGISTERS): Likewise.
3279 (REG_CLASS_CONTENTS): Likewise.
3280 (REGISTER_NAMES): Likewise.
3281 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3282 (HARD_FRAME_POINTER_REGNUM): New.
3283 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3284 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3285 remove the HARD_FRAME_POINTER self-elimination.
3287 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3290 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3291 DECL_EXTERNAL when checking for initializers of progmem variables.
3293 2012-01-12 Ira Rosen <irar@il.ibm.com>
3295 PR tree-optimization/51799
3296 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3297 that the last operation is a type demotion.
3299 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3301 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3302 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3304 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3307 * combine.c (distribute_notes): If i3 is a noreturn call,
3308 allow old_size to be equal to args_size and make sure the
3309 noreturn call gets REG_ARGS_SIZE note.
3310 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3311 on noreturn calls even when the delta is 0.
3313 2012-01-11 Nathan Sidwell <nathan@acm.org>
3315 * gcov.c (STRING_SIZE): Remove.
3316 (generate_results): Erase annotations for source files with no
3317 coverage information.
3319 (output_lines): Use it.
3321 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3323 * gimple.h (gimplify_body): Remove first argument.
3324 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3325 pointer set here, instead just pass DATA to walk_tree.
3326 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3327 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3328 (unvisit_body): Likewise, but with unmark_visited.
3329 (gimplify_body): Remove BODY_P argument and adjust.
3330 (gimplify_function_tree): Adjust call to gimplify_body.
3331 * omp-low.c (finalize_task_copyfn): Likewise.
3333 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3335 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3336 (build_function_type_skip_args): Delete.
3337 * tree.c (build_function_type_skip_args): Make static and add
3338 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3339 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3340 pass it to build_function_type_skip_args.
3341 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3342 (tree_function_versioning): Likewise.
3343 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3344 build_function_decl_skip_args.
3345 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3346 and pass it to build_function_decl_skip_args/tree_function_versioning.
3347 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3348 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3349 * trans-mem.c (ipa_tm_create_version): Likewise.
3350 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3351 * tree-inline.c (declare_return_variable): Remove always-true test.
3352 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3353 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3354 * ipa-split.c (split_function): Skip the return value for the split
3355 part if it doesn't return.
3357 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3359 PR tree-optimization/49642
3360 * ipa-split.c (forbidden_dominators): New variable.
3361 (check_forbidden_calls): New function.
3362 (dominated_by_forbidden): Likewise.
3363 (consider_split): Check for forbidden dominators.
3364 (execute_split_functions): Initialize and free forbidden
3365 dominators info; call check_forbidden_calls.
3367 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3369 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3371 2012-01-11 Nick Clifton <nickc@redhat.com>
3373 * config/rx/rx.md (return): Define pattern.
3375 2012-01-11 Richard Guenther <rguenther@suse.de>
3377 * doc/extend.texi (malloc attribute): Adjust according to
3380 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3381 Patrick Marlier <patrick.marlier@gmail.com>
3384 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3385 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3386 (ipa_tm_note_irrevocable): Same.
3387 (ipa_tm_scan_irr_block): Same.
3388 (ipa_tm_decrement_clone_counts): Same.
3389 (ipa_tm_scan_irr_function): Same.
3390 (ipa_tm_create_version_alias): Same.
3391 (ipa_tm_create_version): Same.
3392 (ipa_tm_transform_calls_redirect): Same.
3393 (ipa_tm_transform_calls): Same.
3394 (ipa_tm_transform_transaction): Same.
3395 (ipa_tm_execute): Same.
3397 2012-01-10 Richard Guenther <rguenther@suse.de>
3400 * opts.c (common_handle_option): Handle -Werror.
3402 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3404 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3407 2012-01-10 Jason Merrill <jason@redhat.com>
3409 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3412 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3414 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3415 supports R_386_TLS_GD_PLT reloc.
3416 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3417 supports R_386_TLS_LDM_PLT reloc.
3418 * configure: Regenerate.
3419 * config.in: Regenerate.
3421 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3424 Extend __pgmx semantics to linearize memory.
3425 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3426 determine if code comes inline or from libgcc.
3427 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3428 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3429 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3430 (movmemx_qi, movmemx_hi): New insns.
3431 (xload_<mode>_libgcc): Rewrite to new insn condition.
3432 (xload_<mode>): Remove insns.
3433 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3434 cases that don't satisfy avr_xload_libgcc_p().
3435 (avr_addr_space_convert): Allow converting in any direction.
3436 (avr_addr_space_subset_p): Return always true.
3437 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3438 (avr_emit_movmemhi): Ditto.
3439 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3440 (avr_out_movmem): Ditto.
3441 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3442 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3443 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3444 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3445 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3447 2012-01-10 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/50913
3450 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3451 Require data-refs to be representable by Graphite with respect
3454 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3456 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3457 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3459 2012-01-10 Tom de Vries <tom@codesourcery.com>
3461 PR rtl-optimization/51271
3462 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3463 handling annulled branch.
3465 2012-01-10 Richard Henderson <rth@redhat.com>
3467 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3468 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3469 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3470 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3471 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3472 arm_expand_vec_perm_const): New.
3473 * config/arm/arm-protos.h: Update.
3474 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3475 (*neon_vswp<VDQX>): New.
3476 (neon_vcombine<VDX>): Use neon_split_vcombine.
3477 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3478 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3479 (vec_perm<VE>): New.
3481 2012-01-10 Richard Henderson <rth@redhat.com>
3483 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3484 use it if reload_completed.
3485 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3486 arm_output_asm_insn, arm_process_output_memory_barrier,
3487 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3488 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3489 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3490 arm_process_output_sync_insn, arm_output_sync_insn,
3491 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3492 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3493 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3494 (emit_unlikely_jump): New.
3495 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3496 (arm_split_atomic_op): New.
3497 * config/arm/arm-protos.h: Update.
3498 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3499 (struct arm_sync_generator): Remove.
3500 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3501 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3502 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3503 (VUNSPEC_LL, VUNSPEC_SC): New.
3504 (sync_result, sync_memory, sync_required_value, sync_new_value,
3505 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3506 (attr length): Don't use arm_sync_loop_insns.
3507 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3508 (movsfcc, movdfcc): Likewise.
3509 * config/arm/constraints.md (Ua): New.
3510 * config/arm/prediates.md (mem_noofs_operand): New.
3511 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3512 (sync_clobber, sync_t2_reqd): Remove.
3513 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3514 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3515 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3516 (arm_sync_compare_and_swap<SIDI>): Remove.
3517 (arm_sync_compare_and_swap<NARROW>): Remove.
3518 (arm_sync_lock_test_and_set<SIDI>): Remove.
3519 (arm_sync_lock_test_and_set<NARROW>): Remove.
3520 (arm_sync_new_<syncop><SIDI>): Remove.
3521 (arm_sync_new_<syncop><NARROW>): Remove.
3522 (arm_sync_new_nand<SIDI>): Remove.
3523 (arm_sync_new_nand<NARROW>): Remove.
3524 (arm_sync_old_<syncop><SIDI>): Remove.
3525 (arm_sync_old_<syncop><NARROW>): Remove.
3526 (arm_sync_old_nand<SIDI>): Remove.
3527 (arm_sync_old_nand<NARROW>): Remove.
3528 (*memory_barrier): Merge arm_output_memory_barrier.
3529 (atomic_compare_and_swap<QHSD>): New.
3530 (atomic_compare_and_swap<NARROW>_1): New.
3531 (atomic_compare_and_swap<SIDI>_1): New.
3532 (atomic_exchange<QHSD>): New.
3533 (cas_cmp_operand, cas_cmp_str): New.
3534 (atomic_op_operand, atomic_op_str): New.
3535 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3536 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3537 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3538 (arm_load_exclusive<NARROW>): New.
3539 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3540 (arm_store_exclusive<QHSD>): New.
3542 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3544 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3545 reload patterns if -mvsx-scalar-memory.
3547 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3548 generated, even -mno-vsx-scalar-double was used.
3549 (vsx_xscvdpsp_scalar): Likewise.
3550 (vsx_xscvspdp_scalar2): Likewise.
3552 2012-01-09 Tom de Vries <tom@codesourcery.com>
3553 Andrew Pinski <apinski@cavium.com>
3556 * reorg.c (fill_slots_from_thread): Don't speculate
3557 frame-related insns.
3559 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3561 * sched-int.h (bb_note): Move to...
3562 * basic-block.h: ...here.
3563 * haifa-sched.c (bb_note): Move to...
3564 * cfgrtl.c: ...here.
3565 * function.c (next_block_for_reg): New function.
3566 (move_insn_for_shrink_wrap): Likewise.
3567 (prepare_shrink_wrap): Rewrite to use the above.
3569 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3571 * gimple.c (is_gimple_non_addressable): Remove.
3572 * gimple.h: Remove is_gimple_non_addressable.
3573 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3574 is_gimple_non_addressable.
3575 * trans-mem.c (expand_assign_tm): Same.
3577 2012-01-09 Richard Guenther <rguenther@suse.de>
3579 PR tree-optimization/51775
3580 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3581 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3583 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3585 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3587 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3589 2012-01-09 Richard Guenther <rguenther@suse.de>
3591 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3593 2012-01-08 Jan Hubicka <jh@suse.cz>
3595 PR tree-optimize/51680
3596 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3597 on when known_vals needs to be computed; cleanup.
3599 2012-01-08 Jan Hubicka <jh@suse.cz>
3601 PR tree-optimize/51694
3602 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3604 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3606 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3607 for -std=c++98 and -std=c++11 too.
3609 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3611 * cfgloop.c (cancel_loop): Add free() of bbs array.
3613 2012-01-07 Jan Hubicka <jh@suse.cz>
3615 PR tree-optimization/51600
3616 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3617 that benefits small functions.
3619 2012-01-07 Jan Hubicka <jh@suse.cz>
3621 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3623 2012-01-07 Jan Hubicka <jh@suse.cz>
3625 PR tree-optimization/51680
3626 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3627 whose inlining reduce unit size.
3629 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3632 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3633 Add canonical node to containing_mem chain after the non-canonical
3634 one, even if there weren't any locs to propagate.
3635 (remove_useless_values): Keep only canonical values.
3636 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3637 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3638 canonicalize mem_chain elements that are not discarded.
3640 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3643 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3644 before emitting functions.
3646 PR gcov-profile/50127
3647 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3648 clear_aux_for_blocks.
3650 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3653 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3655 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3657 * c-decl.c (ext_block): Moved up.
3658 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3660 2012-01-06 Han Shen <shenhan@google.com>
3662 Translate built-in include paths for sysroot.
3663 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3664 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3666 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3667 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3669 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3670 control whether sysroot should be prepended to gxx include dir.
3672 * configure: Regenerate.
3674 2012-01-06 Torvald Riegel <triegel@redhat.com>
3676 PR rtl-optimization/51771
3677 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3678 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3680 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3682 PR tree-optimization/51315
3683 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3684 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3686 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3689 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3690 for shrp pattern. Correctly handle and fixup shift variable.
3691 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3693 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3696 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3697 note when !ACCUMULATE_OUTGOING_ARGS.
3699 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3701 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3703 (extract_range_from_unary_expr_1): Avoid useless computations.
3705 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3707 PR rtl-optimization/51767
3708 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3709 of jump_block and add an extra edge for degenerated asm gotos.
3712 * stmt.c (check_unique_operand_names): Don't ICE during error
3713 reporting if i is from labels chain.
3716 * profile.c (branch_prob): Split bbs that have exit edge
3717 and need a fake entry edge too.
3719 2012-01-05 Jan Hubicka <jh@suse.cz>
3722 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3725 2012-01-05 Richard Guenther <rguenther@suse.de>
3728 * tree-streamer-out.c (write_ts_optimization): New function.
3729 (streamer_write_tree_body): Call it.
3730 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3731 (streamer_read_tree_body): Call it.
3732 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3734 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3737 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3738 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3739 in_cleanup_point_expr before gimplify_stmt call and restore it
3741 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3742 in_cleanup_point_expr is false.
3744 2012-01-05 Richard Guenther <rguenther@suse.de>
3747 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3749 * toplev.c (process_options): Reject combining mudflap and LTO.
3750 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3752 2012-01-05 Richard Guenther <rguenther@suse.de>
3754 PR tree-optimization/51760
3755 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3757 (bit_value_unop): Handle UNDEFINED operands.
3758 (bit_value_binop): Likewise.
3760 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3762 * config/avr/avr.c (avr_replace_prefix): Remove.
3763 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3764 (avr_asm_function_rodata_section): Ditto.
3765 (avr_asm_select_section): Ditto.
3767 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3769 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3772 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3775 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3776 calls that have any non-fake successor edges.
3779 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3781 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3783 PR tree-optimization/51624
3784 * tree-sra.c (build_ref_for_model): When replicating a chain of
3785 COMPONENT_REFs, stop as soon as the offset would become negative.
3787 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3790 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3791 in .debug_loc on the floor.
3793 2012-01-04 Andrew Pinski <apinski@cavium.com>
3795 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3797 2012-01-04 Andrew Pinski <apinski@cavium.com>
3798 Adam Nemet <anemet@caviumnetworks.com>
3800 * config/mips/mips.md (size): Add SI and DI.
3801 (SIZE): New mode attribute.
3802 (U): New code attribute.
3803 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3804 (mips_lbux_<mode>): Delete.
3805 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3806 (mips_lhx): Use gen_mips_lhx_extsi.
3807 (mips_lhx_<mode>): Delete.
3809 (mips_l<size>x): New expand.
3810 (mips_lwx_<mode>): Delete.
3811 (mips_l<GPR:size>x_<P:mode>): New pattern.
3812 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3813 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3814 * config/mips/mips.c (mips_lx_address_p): New function.
3815 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3816 (dsp64): New availability predicate.
3817 (mips_builtins): Add an entry for __builtin_mips_ldx.
3818 * config/mips/mips.h (ISA_HAS_LBX): New define.
3819 (ISA_HAS_LBUX): Likewise.
3820 (ISA_HAS_LHX): Likewise.
3821 (ISA_HAS_LHUX): Likewise.
3822 (ISA_HAS_LWX): Likewise.
3823 (ISA_HAS_LWUX): Likewise.
3824 (ISA_HAS_LDX): Likewise.
3825 * doc/extend.texi (__builtin_mips_ldx): Document.
3827 2012-01-04 Tristan Gingold <gingold@adacore.com>
3829 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3830 when long pointers are used.
3831 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3832 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3833 (ia64-hp-*vms*): Remove.
3834 * config/vms/xm-vms64.h: Delete.
3836 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3839 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3841 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3843 * opts.c (finish_options): Remove duplicate sorry.
3845 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3848 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3851 2012-01-04 Richard Guenther <rguenther@suse.de>
3854 * tree.c (size_low_cst): New function.
3855 * tree.h (size_low_cst): Declare.
3856 * fold-const.c (fold_comparison): Use it to extract the low
3857 part of the POINTER_PLUS_EXPR offset.
3859 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3861 Fix clearing ZERO_REG
3862 * config/avr/avr.md (cc): Add alternative "ldi".
3863 (movqi_insn): Use it in cc attribute.
3864 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3865 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3866 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3868 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3870 * configure: Regenerate.
3872 2012-01-04 Richard Guenther <rguenther@suse.de>
3874 PR tree-optimization/49651
3875 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3876 (var_can_have_subvars): Use it.
3877 (get_constraint_for_1): Only consider subfields if there can be any.
3879 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3882 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3883 to its new canonical_cselib_val and the cselib_val was in
3884 first_containing_mem chain, but the canonical_cselib_val was not,
3885 add the latter into the chain.
3886 (cselib_invalidate_mem): Compare canonical_cselib_val of
3887 addr_list chain elt with v.
3890 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3891 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3893 (output_macinfo_op): Don't ggc_strdup fd->filename.
3894 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3895 then ggc_strdup it. Don't free inc->info or cur->info.
3896 (output_macinfo): Don't free ref->info or file->info.
3898 2012-01-03 Ira Rosen <irar@il.ibm.com>
3900 PR tree-optimization/51269
3901 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3902 first_niters a pointer.
3903 (slpeel_tree_peel_loop_to_edge): Likewise.
3904 (vect_do_peeling_for_loop_bound): Update call to
3905 slpeel_tree_peel_loop_to_edge.
3906 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3907 here. Remove it from the parameters list.
3908 (vect_do_peeling_for_alignment): Update calls and compute
3911 2012-01-03 Richard Guenther <rguenther@suse.de>
3913 PR tree-optimization/51070
3914 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3915 Properly handle calls.
3917 2012-01-03 Richard Guenther <rguenther@suse.de>
3919 PR tree-optimization/51692
3920 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3921 the LHS of allocation stmts.
3923 2012-01-03 Olivier Hainque <hainque@adacore.com>
3925 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3927 2012-01-03 Olivier Hainque <hainque@adacore.com>
3929 * collect2.c (main): In AIX specific computations for vector
3930 insertions, use CONST_CAST2 to cast from char ** to const char **.
3932 2012-01-03 Richard Guenther <rguenther@suse.de>
3935 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3936 the context of a limbo DIE when it does not already exist.
3938 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3940 PR tree-optimization/51719
3941 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3942 but direct call is, clear direct call's lhs and don't add fallthrough
3943 edge from dcall_bb to join_bb and PHIs.
3945 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3947 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3948 the instructions emitted by the pattern.
3949 ("*TDC_insn_<mode>"): Add comment.
3951 2012-01-03 Richard Guenther <rguenther@suse.de>
3954 * fold-const.c (fold_comparison): Properly canonicalize
3955 tree offset and HOST_WIDE_INT bit position.
3957 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3959 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3960 operands for extzv pattern.
3962 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3965 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3968 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3970 * doc/invoke.texi (-flto and related options): Copy-edit.
3972 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3974 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3976 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3978 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3981 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3983 * expr.h (move_by_pieces_ninsns): Declare.
3984 * expr.c (move_by_pieces_ninsns): Make external.
3985 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3986 (mips_store_by_pieces_p): Likewise.
3987 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3988 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3989 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3990 (mips_store_by_pieces_p): Likewise.
3992 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3994 * passes.c (register_one_dump_file): Free full_name.
3996 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3997 (calculate_elim_costs_all_insns): Free offsets_at and
3998 offsets_known_at at the end and clear the pointers.
4000 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4002 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4003 this option introduced in r180739.
4005 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4008 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4009 (tmake_file target=avr): Add avr/t-multilib.
4011 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4012 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4013 * config/avr/genmultilib.awk: New file.
4014 * config/avr/t-multilib: New auto-generated file.
4015 * config/avr/multilib.h: New auto-generated file.
4016 * config/avr/t-avr (AVR_MCUS): New variable.
4017 (genopt.sh): Use it.
4018 (s-mlib): Depend on t-multilib.
4019 (t-multilib, multilib.h): New dependencies.
4020 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4021 (MULTILIB_OPTIONS): Remove.
4022 (MULTILIB_MATCHES): Remove.
4023 (MULTILIB_DIRNAMES): Remove.
4024 (MULTILIB_EXCEPTIONS): Remove:
4025 * config/avr/genopt.sh: Don't use hard coded file name;
4026 pass AVR_MCUS from t-avr instead.
4028 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4030 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4032 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4034 Implement light-weight DImode support.
4035 * config/avr/avr-dimode.md: New file.
4036 * config/avr/avr.md: Include it.
4037 (adjust_len): Add plus64, compare64.
4038 (HIDI): Remove code iterator.
4039 (code_stdname): New code attribute.
4040 (rotx, rotsmode): Remove DI.
4041 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4043 * config/avr/avr-protos.h (avr_have_dimode): New.
4044 (avr_out_plus64, avr_out_compare64): New.
4045 * config/avr/avr.c (avr_out_compare): Handle DImode.
4046 (avr_have_dimode): New variable definition and initialization.
4047 (avr_out_compare64, avr_out_plus64): New functions.
4048 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4049 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4050 (avr_compare_pattern): Skip DImode comparisons.
4052 2012-01-02 Revital Eres <revital.eres@linaro.org>
4054 * ddg.c (def_has_ccmode_p): New function.
4055 (add_cross_iteration_register_deps,
4056 create_ddg_dep_from_intra_loop_link): Call it.
4058 2012-01-02 Richard Guenther <rguenther@suse.de>
4061 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4063 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4065 * gcc.c (process_command): Update copyright notice dates.
4066 * gcov.c (print_version): Likewise.
4067 * gcov-dump.c (print_version): Likewise.
4068 * mips-tfile.c (main): Likewise.
4069 * mips-tdump.c (main): Likewise.
4071 2012-01-01 Ira Rosen <irar@il.ibm.com>
4073 PR tree-optimization/51704
4074 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4075 a use is inside the basic block or loop before accessing its vect info.
4077 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4079 PR rtl-optimization/51069
4080 * cfgloopmanip.c (remove_path): Removing path making irreducible
4081 region unconditional makes BB part of the region.
4083 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4085 PR tree-optimization/51683
4086 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4087 calls with side-effects.
4088 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4090 Copyright (C) 2012 Free Software Foundation, Inc.
4092 Copying and distribution of this file, with or without modification,
4093 are permitted in any medium without royalty provided the copyright
4094 notice and this notice are preserved.