1 2012-04-24 Jakub Jelinek <jakub@redhat.com>
4 * varasm.c (get_section): Don't ICE for section conflicts with
5 built-in section kinds.
7 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
9 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
11 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
13 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
15 2012-04-23 Richard Guenther <rguenther@suse.de>
18 * c-typeck.c (build_binary_op): Fix typo.
20 2012-04-23 Jakub Jelinek <jakub@redhat.com>
22 PR tree-optimizations/52891
23 * tree-vect-patterns.c (adjust_bool_pattern): Use
24 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
25 but with non-standard precision.
27 2012-04-22 Ian Lance Taylor <iant@google.com>
29 * godump.c (go_output_typedef): Dump size of structs.
31 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
33 Backport from mainline:
35 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
36 hints for 'A' operand types.
38 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
40 Backport from 2012-04-19 mainline r186588.
43 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
46 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
48 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
50 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
53 * config/i386/sync.md (atomic_<code><mode>): Rename to
56 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
58 Backport from mainline
59 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
62 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
63 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
64 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
65 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
66 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
67 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
68 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
71 2012-04-16 Martin Jambor <mjambor@suse.cz>
73 Backported from mainline
75 2012-04-13 Martin Jambor <mjambor@suse.cz>
78 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
79 fold_ctor_reference returns a zero constant.
81 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
83 Backported from mainline
84 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
86 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
87 and __ILP32__ for x32.
89 2012-04-13 Tom de Vries <tom@codesourcery.com>
91 Backport from mainline r186418.
93 2012-04-13 Tom de Vries <tom@codesourcery.com>
95 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
96 parameters vuse and vuse_escaped.
97 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
98 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
101 2012-04-13 Richard Guenther <rguenther@suse.de>
103 PR tree-optimization/52969
104 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
105 the condition for the COND_EXPR and handle predicate negation
106 by swapping the COND_EXPR arms.
108 2012-04-13 Richard Guenther <rguenther@suse.de>
111 * convert.c (convert_to_pointer): Remove special-casing of
114 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
116 Backport from mainline
117 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
120 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
121 the list of options to enable the FCFID instruction.
122 (TARGET_EXTRA_BUILTINS): Adjust comment.
124 2012-04-12 Richard Guenther <rguenther@suse.de>
126 PR tree-optimization/52943
127 * tree-chrec.h (chrec_is_positive): Remove.
128 * tree-scalar-evolution.c (chrec_is_positive): Move ...
129 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
130 Return false for a constant zero instead of negative.
131 (analyze_siv_subscript_cst_affine): Handle zero difference
132 in the initial condition explicitely.
134 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
137 * varasm.c (process_pending_assemble_externals): Set
138 pending_assemble_externals_processed true.
139 (assemble_external): Call assemble_external_real if the pending
140 assemble externals have been processed.
142 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
145 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
146 the DECL generated for the special GOT helper.
148 2012-04-06 Walter Lee <walt@tilera.com>
150 Backport from mainline
151 2012-03-07 Walter Lee <walt@tilera.com>
153 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
154 REG_CFA_* notes for the stack pointer.
155 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
156 EH_RETURN_STACKADJ_RTX.
157 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
158 generate REG_CFA_* notes for the stack pointer.
159 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
160 by EH_RETURN_STACKADJ_RTX.
162 2012-04-06 Matt Turner <mattst88@gmail.com>
164 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
166 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
168 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
169 of the destination isn't also a FP_REGS register.
171 2012-04-03 Richard Guenther <rguenther@suse.de>
173 Backport from mainline
174 2012-03-02 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/52406
177 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
178 (struct indices): Add unconstrained_base member.
179 (struct dr_alias): Remove unused vops member.
180 (DR_UNCONSTRAINED_BASE): New define.
181 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
182 add indices to allow their disambiguation. Make DR_BASE_OBJECT
183 be an artificial access that covers the whole indexed object,
184 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
185 plain decl base-objects to their MEM_REF variant.
186 (dr_may_alias_p): When the base-object of either data reference
187 has unknown size use only points-to information.
188 (compute_affine_dependence): Make dumps easier to read and
190 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
191 DR_REF when looking for packed references.
192 (vect_supportable_dr_alignment): Likewise.
194 2012-04-03 Richard Guenther <rguenther@suse.de>
196 Backport from mainline
197 2012-03-15 Richard Guenther <rguenther@suse.de>
200 * tree-data-ref.c (subscript_dependence_tester_1): Check
201 all dimensions for non-conflicting access functions.
203 2012-04-03 Richard Guenther <rguenther@suse.de>
205 Backport from mainline
206 2012-03-06 Richard Guenther <rguenther@suse.de>
209 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
211 2012-03-23 Richard Guenther <rguenther@suse.de>
213 PR tree-optimization/52678
214 * tree-vectorizer.h (struct _stmt_vec_info): Add
215 loop_phi_evolution_part member.
216 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
217 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
218 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
219 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
220 Use the cached evolution part and the PHI nodes value from
221 the loop preheader edge instead of re-analyzing the evolution.
223 2012-03-26 Richard Guenther <rguenther@suse.de>
225 PR tree-optimization/52701
226 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
227 compute and set the evolution part of PHI nodes.
229 2012-03-30 Richard Guenther <rguenther@suse.de>
231 PR tree-optimization/52754
232 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
233 propagate arbitrary addresses into really plain dereferences.
235 2012-04-03 Jakub Jelinek <jakub@redhat.com>
237 PR tree-optimization/52835
238 * tree-data-ref.c (build_rdg): Return NULL if
239 compute_data_dependences_for_loop failed.
241 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
243 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
244 (stmt_can_make_abnormal_goto): Use it.
245 (is_ctrl_altering_stmt): Likewise.
247 2012-03-31 Martin Jambor <mjambor@suse.cz>
249 Backported from mainline
250 2012-03-30 Martin Jambor <mjambor@suse.cz>
252 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
253 is a builtin_stack_save in a dominating BB.
255 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
257 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
258 crossing 128bit lane boundary.
260 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
262 Backported from mainline
263 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
266 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
268 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
269 * config/i386/i386.c: Include reload.h.
270 (ix86_legitimize_reload_address): New function.
272 2012-03-28 Martin Jambor <mjambor@suse.cz>
274 Backported from mainline
275 2012-03-27 Martin Jambor <mjambor@suse.cz>
278 * tree-sra.c (sra_modify_assign): Do not call
279 load_assign_lhs_subreplacements when working with an unscalarizable
282 2012-03-28 Jakub Jelinek <jakub@redhat.com>
285 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
286 __builtin_va_start to __builtin_next_arg if the latter is
287 builtin_decl_explicit_p rather than when it is not.
290 * tree-vect-generic.c (vector_element): Perform multiplication
291 for pos in bitsizetype type instead of idx type.
293 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
295 Backport from 2012-03-28 mainline r185910.
298 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
299 (avr_builtin_decl): New static function.
300 (struct avr_builtin_description, avr_bdesc): Move up.
301 Add GTY marker. Add field fndecl. Remove redundant field id.
302 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
303 (avr_expand_builtin): Code cleanup because .id is removed.
305 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
308 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
311 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
313 Backport from 2012-03-28 mainline r185907.
316 * config.gcc (tm_file): Remove avr/multilib.h.
318 * doc/invoke.texi (AVR Options): Adjust
319 documentation of -mtiny-stack.
321 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
322 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
323 * config/avr/t-avr: Remove generation of multilib.h.
324 * config/avr/t-multilib: Regenerate.
325 * config/avr/multilib.h: Remove.
326 * config/avr/avr.opt (-msp8): New option.
327 (avr_sp8): New variable.
328 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
329 * config/avr/avr.h (AVR_HAVE_SPH): New define.
330 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
331 (avr_device_to_sp8): New prototype.
332 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
333 (DRIVER_SELF_SPECS): New define.
334 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
335 __AVR_SP8__, __AVR_HAVE_SPH__.
336 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
337 AVR_HAVE_8BIT_SP to decide if SP_H is present.
338 (avr_file_start): Ditto.
340 2012-03-28 Jakub Jelinek <jakub@redhat.com>
343 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
344 instead of 8 in adjust_address.
346 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
348 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
349 of a unit before computing the offset in units.
351 2012-03-27 Richard Guenther <rguenther@suse.de>
354 * fold-const.c (try_move_mult_to_index): Handle &x.array more
357 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
360 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
362 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
365 * varasm.c: Include pointer-set.h.
366 (pending_assemble_externals_set): New pointer set.
367 (process_pending_assemble_externals): Destroy the pointer set.
368 (assemble_external): See if decl is in pending_assemble_externals_set,
369 and add it to pending_assemble_externals if necessary.
370 (init_varasm_once): Allocate pending_assemble_externals_set.
372 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
374 Backported from mainline
375 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
378 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
379 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
380 (vector_ltgt<mode>): Likewise.
381 (vector_ordered<mode>): Likewise.
382 (vector_unordered<mode>): Likewise.
383 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
385 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
387 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
390 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
392 Backported from mainline
393 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
397 * config/sh/sh.c (sh_register_move_cost): Increase cost between
398 GENERAL_REGS and FP_REGS for SImode.
400 2012-03-22 Jakub Jelinek <jakub@redhat.com>
403 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
404 on any new_local_var_chain vars declared during recursing on
405 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
407 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
409 Backport from 2012-03-22 mainline r185692.
412 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
413 (unspecv): Add UNSPECV_MEMORY_BARRIER.
414 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
415 (delay_cycles_1, delay_cycles_2): Ditto.
416 (delay_cycles_3, delay_cycles_4): Ditto.
417 (nopv, *nopv): Ditto.
418 (sleep, *sleep): Ditto.
421 Backport from 2012-03-21 mainline r185605.
423 PR rtl-optimization/52543
425 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
426 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
427 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
428 (avr_load_libgcc_p): Restrict to __flash loads.
429 (avr_out_lpm): Only handle 1-byte loads from __flash.
430 (avr_load_lpm): New function.
431 (avr_find_unused_d_reg): Remove.
432 (avr_out_lpm_no_lpmx): Remove.
433 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
434 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
435 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
436 (load_<mode>, load_<mode>_clobber): New insns.
437 (mov<mode>): For multi-byte move from non-generic
438 16-bit address spaces: Expand to load_<mode> resp.
440 (load<mode>_libgcc): Remove expander.
441 (split-lpmx): Remove split.
443 Backport from 2012-03-13 mainline r185329.
446 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
447 offset (size) to a value the insns can deal with.
448 (expand_epilogue): Ditto.
450 Backport from 2012-03-12 mainline r185256.
453 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
454 type from reg_class_t to enum reg_class.
455 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
457 Backport from 2012-03-12 mainline r185253.
460 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
461 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
462 r184615 from 2012-02-28.
464 Backport from 2012-03-08 mainline r185105.
466 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
467 for constants in [-63,63].
469 Backport from 2012-03-08 mainline r185100.
472 * config/avr/avr.c (avr_mem_clobber): New static function.
473 (avr_expand_delay_cycles): Add memory clobber operand to
474 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
475 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
476 (enable_interrupt, disable_interrupt): New expander.
477 (nopv, sleep, wdr): New expanders.
478 (delay_cycles_1): Add memory clobber.
479 (delay_cycles_2): Add memory clobber.
480 (delay_cycles_3): Add memory clobber.
481 (delay_cycles_4): Add memory clobber.
482 (cli_sei): New insn from former "enable_interrupt",
483 "disable_interrupt" with memory clobber.
484 (*wdt): New insn from former "wdt" with memory clobber.
485 (*nopv): Similar, but for "nopv".
486 (*sleep): Similar, but for "sleep".
488 Backport from 2012-03-07 mainline r185043.
491 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
493 Backport from 2012-03-07 mainline r185032.
496 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
497 to: RAMPZ, RAMPY, RAMPX, RAMPD.
498 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
500 Backport from 2012-03-07 mainline r185031.
503 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
505 * config/avr/avr.md (xload_8): Adjust insn length.
507 Backport from 2012-03-07 mainline r185030.
510 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
511 if RAMPZ affects reading from RAM.
513 Backport from 2012-03-05 mainline r184919.
515 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
517 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
519 Backport from mainline r185259.
522 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
523 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
525 2012-03-22 Jakub Jelinek <jakub@redhat.com>
527 Backported from mainline
528 2012-03-13 Jakub Jelinek <jakub@redhat.com>
531 * c-parser.c (c_parser_postfix_expression)
532 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
534 * config/i386/smmintrin.h: Avoid /* within a comment.
535 * config/i386/nmmintrin.h: Likewise.
537 2012-03-22 Richard Guenther <rguenther@suse.de>
539 * BASE-VER: Set to 4.7.1.
540 * DEV-PHASE: Set to prerelease.
542 2012-03-22 Release Manager
544 * GCC 4.7.0 released.
546 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
548 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
550 2012-03-15 Jakub Jelinek <jakub@redhat.com>
551 Andrew Pinski <apinski@cavium.com>
554 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
555 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
556 calls instead of __builtin_ir{int,ound}*.
558 2012-03-14 Jakub Jelinek <jakub@redhat.com>
561 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
564 2012-03-13 Joseph Myers <joseph@codesourcery.com>
566 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
567 Refer to GCC 4.7 version of c99status.html.
569 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
571 Backport from mainline
572 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
574 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
575 redefine to be NULL if the current bit-size is different from the
578 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
579 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
580 set the default tuning. Add asserts to make sure the cpu and tune
581 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
582 test whether the index is set, instead of > 0.
583 (rs6000_file_start): Do not reset the default cpu if the current
584 bit-size is different from the configured bit-size.
586 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
588 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
590 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
591 Update binutils references.
592 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
593 Update binutils reference.
594 Update Sun as/GNU ld caveat.
595 Document binutils largefile requirement for LTO plugin.
596 Remove reference to alternate libpthread.
598 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
600 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
602 (Specific, mips-sgi-irix6): Likewise.
604 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
606 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
607 * configure: Regenerate.
609 2012-03-07 Richard Henderson <rth@redhat.com>
611 * config/m68k/m68k.h (ISA_HAS_TAS): New.
612 * config/m68k/sync.md (atomic_test_and_set): Use it.
613 (atomic_test_and_set_1): Likewise.
615 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
618 * Makefile.in: Let install-gcc-ar depend on installdirs,
619 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
620 Don't double canonicalize if cross-compiling.
622 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
624 * trans-mem.c: New typedef for tm_region_p.
625 Define vector types for tm_region_p.
626 (tm_region_init): Replace region_worklist to a vector called
629 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
632 * trans-mem.c (tm_region_init): Use last_basic_block.
634 2012-03-05 Richard Henderson <rth@redhat.com>
637 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
638 * omp-low.c (expand_omp_atomic): Assume anything aligned to
639 BIGGEST_ALIGNMENT is aligned.
641 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
643 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
645 2012-03-05 Richard Henderson <rth@redhat.com>
648 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
649 instead of calling negqi2 directly.
651 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
653 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
654 (INTMAX_TYPE): Use it.
655 (UINTMAX_TYPE): Likewise.
656 (SUBTARGET_OVERRIDE_OPTIONS): Define.
657 (irix6_c_common_override_options): Declare.
658 (C_COMMON_OVERRIDE_OPTIONS): Define.
659 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
660 * config/mips/irix6-c.c: New file.
661 * config/mips/t-irix6 (irix6-c.o): New target.
662 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
665 2012-03-02 Richard Henderson <rth@redhat.com>
667 * optabs.c (expand_atomic_test_and_set): Honor
668 atomic_test_and_set_trueval even when atomic_test_and_set
671 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
673 Backport from mainline
674 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
676 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
678 2012-03-02 Richard Guenther <rguenther@suse.de>
680 * DEV-PHASE: Set to prerelease.
682 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
684 * config.gcc (obsolete): Add all ARM targets using the FPA.
685 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
686 * doc/install.texi: Avoid references to obsolete ARM ports.
688 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
690 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
692 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
693 Joern Rennecke <joern.rennecke@embecosm.com>
695 * doc/extend.texi: Expand and update information on interrupt
696 attribute for Epiphany.
698 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
700 * config/sh/sh-protos.h: Update copyright notice dates.
701 * config/sh/sh.h: Likewise.
702 * config/sh/sh.md: Likewise.
703 * config/sh/constraints.md: Likewise.
704 * config/sh/predicates.md: Likewise.
706 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
708 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
709 * config/sh/sh.c (tertiary_reload_operand): Likewise.
711 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
713 * config/sh/constraints.md: Fix comment typo.
715 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
718 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
719 unsigned HOST_WIDE_INT.
720 (zvdep_imm64): Likewise.
721 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
722 (vdepi_and): Likewise.
723 Likewise for unamed 64-bit patterns.
724 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
726 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
729 PR rtl-optimization/52417
730 * cselib.c (cselib_any_perm_equivs): New variable.
731 (cselib_reset_table): Check that it's not set when not
732 preserving constants.
733 (cselib_add_permanent_equiv): Set it.
734 (cselib_have_permanent_equivalences): New.
735 (cselib_init, cselib_finish): Reset it.
736 * cselib.h (cselib_have_permanent_equivalences): Declare.
737 * alias.c (get_addr): Restore earlier behavior when there
738 aren't permanent equivalences.
740 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
742 * config/mn10300/mn10300-modes.def: Fix copyright notice.
743 * config/v850/v850-modes.def: Fix copyright notice.
745 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
747 * doc/extend.texi (AVR Built-in Functions): Document
748 __builtin_avr_flash_segment.
750 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
751 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
752 (*split.flash_segment): New insn-and-split.
753 * config/avr/avr.c (avr_init_builtins): Add local variables:
754 const_memx_void_node, const_memx_ptr_type_node,
755 char_ftype_const_memx_ptr.
757 2012-03-01 Jakub Jelinek <jakub@redhat.com>
759 PR tree-optimization/52445
760 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
761 add ssa_name_ver, offset and size fields and change store field
763 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
764 (add_or_mark_expr): Likewise. Only consider previous stores
765 with the same size and offset.
766 (nt_init_block): Only look at gimple_assign_single_p stmts,
767 doesn't look at rhs2.
769 2012-03-01 Richard Guenther <rguenther@suse.de>
772 * tree-cfg.c (verify_gimple_assign_unary): Allow any
773 conversions from integral types to pointer types.
775 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
777 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
778 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
779 unintentionally removed in r184616.
781 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
783 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
786 2012-02-29 Jakub Jelinek <jakub@redhat.com>
787 Uros Bizjak <ubizjak@gmail.com>
790 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
791 alternatives, add "e" constraint to the new last alternative
792 and ! to last 3 alternatives.
794 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
796 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
797 DW_AT_artificial attributes at the end of the processing.
798 (gen_array_type_die): Likewise.
799 (gen_enumeration_type_die): Likewise.
800 (gen_struct_or_union_type_die): Likewise.
801 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
804 2012-02-29 Jakub Jelinek <jakub@redhat.com>
807 * expr.c (expand_assignment): If doing misaligned store that doesn't
808 cover all mode bits, perform a RMW cycle.
810 PR tree-optimization/52429
811 * tree-parloops.c (separate_decls_in_region_debug): Return early
812 if var is LABEL_DECL.
814 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
816 PR tree-optimization/52424
817 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
818 calling dom_thread_across_edge.
820 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
822 * config/avr/avr.c: Move definition of TARGET macros to end of file.
824 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
826 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
827 * config/avr/avr.c (avr_output_bld): Remove unused function.
828 (avr_out_sbxx_branch): Use "%T" to print bit position.
830 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
832 * config/avr/avr.md: Untabify.
834 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
836 * config/avr/avr.md (eqne): New code iterator.
837 (*dec-and-branchsi): Use it in text peephole's condition.
838 (*dec-and-branchhi): Ditto.
839 (*dec-and-branchqi): Ditto.
841 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
844 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
845 the device does not have the skip-bug.
847 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
849 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
850 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
851 -mpretend-cmove): New.
853 2012-02-29 Jakub Jelinek <jakub@redhat.com>
856 * df.h (struct df_d): Adjust comment that hard_regs_live_count
857 doesn't count DEBUG_INSN refs.
858 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
861 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
865 2012-02-20 Richard Guenther <rguenther@suse.de>
866 PR tree-optimization/52298
867 * tree-vect-stmts.c (vectorizable_load): Properly use
868 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
871 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
874 * gimple.h (gimple_in_transaction): New.
875 (gimple_set_in_transaction): New.
876 (struct gimple_statement_base): Add in_transaction field.
877 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
879 (tree_ssa_lim_initialize): Compute transaction bits.
880 * tree.h (compute_transaction_bits): Protoize.
881 * trans-mem.c (tm_region_init): Use the heap to store BB
883 (compute_transaction_bits): New.
885 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
887 * gcc.c (display_help): Document --help=common and sort entries
890 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
892 * doc/install.texi: Document check-$LANG specific shortcuts
894 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
897 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
899 * config/arm/arm_neon.h: Regenerate.
900 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
901 (neon_vcgeu): New insn.
902 (neon_vcgtu): Likewise.
903 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
904 (ops): Unsigned comparison intrinsics call a different
907 2012-02-28 Richard Guenther <rguenther@suse.de>
910 * config/i386/i386.c (ix86_expand_vector_set): Fix element
911 ordering for the VEC_CONCAT for two element vectors for
912 V2SFmode, V2SImode and V2DImode.
914 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
917 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
918 detecting big-endian triplets.
920 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
922 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
923 mode if there is no type information available.
925 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
927 PR tree-optimization/53207
928 * doc/invoke.texi: Document as experimental and relying on graphite.
930 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
932 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
933 of initializer to changes from r184614.
935 2012-02-28 Richard Guenther <rguenther@suse.de>
937 PR tree-optimization/52395
938 * tree-sra.c (build_ref_for_offset): Also look at the base
939 TYPE_ALIGN when figuring out the alignment of the replacement.
941 2012-02-28 Richard Guenther <rguenther@suse.de>
943 PR tree-optimization/52402
944 * ipa-prop.c (ipa_modify_call_arguments): Properly use
945 mis-aligned types when creating the accesses at the call site.
947 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
949 * config/avr/builtins.def: New file.
950 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
951 * config/avr/avr.c (enum avr_builtin_id): Use it.
952 (avr_init_builtins): Use it. And use avr_bdesc.
953 (bdesc_1arg): Remove.
954 (bdesc_2arg): Remove.
955 (bdesc_3arg): Remove.
956 (struct avr_builtin_description): Add field n_args.
957 (avr_bdesc): New static variable using builtins.def.
958 (avr_expand_builtin): Use it.
959 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
960 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
961 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
963 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
966 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
967 match only one single hard register with respective hard reg rtx.
968 (movmemx_<mode>): Ditto.
969 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
970 insn anatomy of movmem[x]_<mode>.
971 (avr_out_movmem): Same for printing assembler and operand usage.
973 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
977 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
978 address spaces located outside of device flash.
980 * config/avr/avr.h (base_arch_s): Remove field n_segments.
981 (mcu_type_s): Add field n_flash.
982 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
983 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
984 (AVR_MCU): Add N_FLASH argument.
985 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
986 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
987 macro __FLASH<n> if that address space makes sense for the device.
988 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
989 outside of target flash.
990 (avr_asm_named_section): Ditto.
991 (avr_asm_select_section): Ditto.
992 (avr_addr_space_convert): Ditto.
993 (avr_emit_movmemhi): Ditto.
994 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
995 address space is outside of device flash.
996 (avr_insert_attributes): Ditto.
997 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
998 avr_current_arch->n_segments.
1000 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1003 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1005 (*movabs<mode>_2): Likewise.
1007 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1010 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1011 s_register_operand in the test instead of REG_P. Don't call
1012 gen_reg_rtx if it won't be used.
1014 PR tree-optimization/52376
1015 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1017 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1019 * ifcvt.c (noce_get_condition): Check condition variable is not
1020 small_register_classes_for_mode_p before accepting.
1022 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1024 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1026 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1029 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1030 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1032 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1034 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1036 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1038 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1040 * config/sh/predicates.md: Remove blank lines.
1041 * config/sh/sh.c: Fix typos in comments.
1042 * config/sh/constraints.md: Likewise.
1043 * config/sh/sh.md: Remove blank lines.
1044 Fix typos in comments. Use ;; as comment characters.
1046 2012-02-26 Walter Lee <walt@tilera.com>
1048 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1049 (replace_mov_pcrel_step2): Ditto.
1051 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1054 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1055 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1056 and locs that reference values newer than the non-canonical value
1057 at hand. Return the canonical value as a worst case.
1058 (memrefs_conflict_p): Walk canonical value's locs.
1061 * cselib.c (preserve_only_constants): Rename to...
1062 (preserve_constants_and_equivs): ... this. Split out...
1063 (invariant_or_equiv_p): ... this. Preserve plus expressions
1064 of other preserved expressions too.
1065 (cselib_reset_table): Adjust.
1066 * var-tracking.c (reverse_op): Use canonical value to build
1069 2012-02-23 Kai Tietz <ktietz@redhat.com>
1071 * config/i386/i386.c (ix86_delegitimize_address): Handle
1072 UNSPEC_PCREL plus displacement.
1074 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1077 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1078 to test for unusedness in st X addressing.
1080 2012-02-24 Richard Guenther <rguenther@suse.de>
1083 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1084 (is_gimple_reg_type): Move inline ...
1085 * gimple.h (is_gimple_reg_type): ... here.
1087 2012-02-24 Richard Guenther <rguenther@suse.de>
1090 * passes.c (execute_function_todo): When verifying SSA form
1091 verify gimple form first.
1092 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1094 2012-02-24 Richard Guenther <rguenther@suse.de>
1097 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1098 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1100 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1102 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1104 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1106 * tree-phinodes.c (make_phi_node): Mark static.
1107 * tree-flow.h (make_phi_node): Remove extern decl.
1108 * doc/gimple.texi (make_phi_node): Remove documentation.
1110 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1112 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1113 * tree-ssa-sccvn.c (print_scc): Ditto.
1115 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1117 * doc/passes.texi (Full redundancy elimination): Fix typo.
1119 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1121 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1123 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1126 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1128 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1131 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1133 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1135 * config/avr/avr.md (code_stdname): Add ior, xor.
1136 (xior): New code iterator.
1137 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1138 (*<code_stdname><mode>qi.byte1-3): Ditto.
1140 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1142 PR tree-optimization/52019
1143 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1146 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1148 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1149 HAVE_INITFINI_ARRAY to work around namespace pollution in
1150 certain versions of newlib system headers.
1151 * config.in: Regenerate.
1152 * configure: Regenerate.
1153 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1154 instead of HAVE_INITFINI_ARRAY.
1156 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1159 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1160 is not offsettable memory reference.
1162 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1165 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1166 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1168 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1170 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1171 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1173 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1175 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1176 library on Solaris 8 even without TLS support.
1177 * configure: Regenerate.
1179 2012-02-22 Richard Guenther <rguenther@suse.de>
1182 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1183 for GIMPLE_DEBUG stmts.
1185 2012-02-22 Martin Jambor <mjambor@suse.cz>
1188 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1189 according to the base object.
1191 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1193 PR rtl-optimization/50063
1194 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1195 and 2 (8-bit SP) in operand 2.
1196 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1197 setup to use movhi_sp_r instead of vanilla move to write SP.
1198 Adjust REG_CFA notes to superseed unspec.
1199 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1201 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1202 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1203 irq_state 1 (IRQ known to be on) here.
1205 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1207 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1209 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1210 assign_hard_reg): Likewise.
1212 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1214 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1216 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1219 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1220 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1222 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1224 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1225 prototype from here to...
1226 * config/avr/avr.h: ...here.
1228 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1231 * thumb2.md (thumb2_shiftsi3_short): Split register and
1232 immediate shifts. For register shifts tie operands 0 and 1.
1233 (peephole2 for above): Check that register-controlled shifts
1234 have suitably tied operands.
1236 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1239 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1240 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1241 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1242 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1243 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1244 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1245 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1246 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1247 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1248 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1249 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1250 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1251 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1252 bdver1_ssevector_avx256_unaligned_load,
1253 bdver1_ssevector_sse128_unaligned_load,
1254 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1255 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1256 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1257 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1258 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1259 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1260 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1261 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1262 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1263 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1264 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1265 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1266 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1267 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1268 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1269 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1270 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1271 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1272 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1273 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1274 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1275 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1276 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1277 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1278 bdver1_ssediv_double_load, bdver1_ssediv_double,
1279 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1280 Add "bdver2" attribute.
1282 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1284 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1285 default if possible and not specified otherwise.
1287 2012-02-21 Richard Guenther <rguenther@suse.de>
1290 * gimplify.c (create_tmp_from_val): Use the main variant type
1291 for the type of the temporary we create.
1293 2012-02-21 Richard Guenther <rguenther@suse.de>
1295 PR tree-optimization/52324
1296 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1297 do not gimplify a MEM_REF address operand if it is already
1300 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1302 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1303 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1305 2012-02-21 Richard Guenther <rguenther@suse.de>
1307 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1308 nested_in_vect_loop.
1310 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1312 PR tree-optimization/52318
1313 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1314 vdef also to non-pure/const call stmts in the sequence.
1316 2012-02-20 David S. Miller <davem@davemloft.net>
1318 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1319 don't use the "rd %pc" instruction on v9 for PIC register loads.
1321 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1324 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1325 in a transaction safe function.
1327 2012-02-20 Kai Tietz <ktietz@redhat.com>
1330 * stor-layout.c (place_field): Handle desired_align for
1333 2012-02-20 Richard Guenther <rguenther@suse.de>
1335 PR tree-optimization/52298
1336 * tree-vect-stmts.c (vectorizable_store): Properly use
1337 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1339 (vectorizable_load): Likewise.
1340 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1341 Access DR_STEP after ensuring it is not NULL.
1343 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1345 PR tree-optimization/52286
1346 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1347 optimization use double_int_to_tree instead of build_int_cst_wide,
1348 rewrite to use double_int vars.
1350 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1353 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1355 Remove -e 0 from $gcc_cv_ld invocation.
1356 Only use __GLIBC_PREREQ if defined.
1357 Enable on Solaris since Solaris 8 patch.
1358 (gcc_SUN_LD_VERSION): New macro.
1359 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1360 gcc_SUN_LD_VERSION for version number format.
1361 * configure: Regenerate.
1362 * varasm.c (get_elf_initfini_array_priority_section): Set
1363 SECTION_NOTYPE for non-default priority.
1364 Use get_section instead of get_unnamed_section to emit
1365 .init_array/.fini_array with default priority.
1367 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1369 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1370 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1371 (mips_start_unique_function, mips_output_mips16_rdhwr)
1372 (mips_code_end): New functions.
1373 (TARGET_ASM_CODE_END): Define.
1375 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1377 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1378 to stubs with non-sibling calls.
1380 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1382 * doc/invoke.texi (-fira-* options): Copy-edit.
1383 (ira-* parameters): Copy-edit.
1385 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1387 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1388 GCC coding conventions.
1390 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1392 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1393 when used as adjectives.
1395 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1397 * doc/invoke.texi: Clean up "that"/"which" confusion.
1399 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1401 * system.h: Poison SMALL_REGISTER_CLASSES
1402 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1403 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1405 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1407 PR tree-optimization/52285
1408 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1409 when deciding if a call is a tail call or tail recursion.
1411 2012-02-16 Kai Tietz <ktietz@redhat.com>
1413 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1414 interger-constant displacement for UNSPEC_PCREL.
1416 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1418 PR rtl-optimization/52208
1419 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1420 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1422 PR tree-optimization/52255
1423 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1424 loop->header has virtual PHI, but exit_e->dest doesn't, add
1425 virtual PHI to exit_e->dest and adjust all uses after the loop.
1428 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1429 children with clone_tree_hash, not after it.
1431 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1433 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1434 extended identifiers.
1436 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1439 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1440 a same_body_alias, also test whether e->callee isn't a former
1441 or current clone of the decl this is a same body alias of.
1443 PR translation/52264
1444 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1446 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1448 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1450 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1453 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1454 force_reg instead of copy_to_reg for better optimization. Force
1455 non-register or memory operands into a register.
1457 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1459 * extend.texi: Reserve upper bits of memory model for future use.
1461 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1462 Anatoly Sokolov <aesok@post.ru>
1463 Eric Weddington <eric.weddington@atmel.com>
1466 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1467 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1468 Rewrite initializers for .macro.
1469 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1470 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1471 atxmega32d4, atxmega32x1.
1472 avrxmega4: atxmega64a3, atxmega64d3.
1473 avrxmega5: atxmega64a1, atxmega64a1u.
1474 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1475 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1476 avrxmega7: atxmega128a1, atxmega128a1u.
1477 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1478 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1479 (struct base_arch_s): Rename reserved to xmega_p.
1480 Rename reserved2 to have_rampd.
1481 (AVR_XMEGA): New define.
1482 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1483 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1484 * config/avr/predicates.md (io_address_operand): Take into
1486 (low_io_address_operand): Ditto.
1487 (high_io_address_operand): Ditto.
1488 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1489 (enabled, movhi_sp_r): Use them.
1490 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1491 cpp_define_formatted to built-in define __AVR_ARCH__.
1492 (__AVR_XMEGA__): New built-in define.
1493 (__AVR_HAVE_RAMPD__): New built-in define.
1494 (__AVR_HAVE_RAMPX__): New built-in define.
1495 (__AVR_HAVE_RAMPY__): New built-in define.
1496 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1498 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1499 (avr_option_override): Initialize them.
1500 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1501 (avr_init_expanders): Initialize them. No more block several calls.
1502 (emit_push_sfr): New static function.
1503 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1505 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1506 (avr_print_operand): Print addreeses as symbols for
1507 RAMPX, RAMPY, RAMPD, CCP.
1508 (output_movhi): Handle AVR_XMEGA when writing to SP.
1509 (avr_out_movhi_mr_r_xmega): New static function.
1510 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1511 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1512 __RAMPD__, __CCP__ as needed.
1514 * config/avr/multilib.h: Regenerate.
1515 * config/avr/t-multilib: Regenerate.
1516 * config/avr/avr-tables.opt: Regenerate.
1518 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1520 PR tree-optimization/50561
1521 * graphite-flattening.c (lst_project_loop): Do not
1522 remove old scattering dimensions after flattening.
1523 (lst_do_flatten): Likewise.
1525 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1527 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1528 __builtin_avr_map8, __builtin_avr_map16.
1529 Document __builtin_avr_insert_bits.
1531 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1532 (insert_bits): New insn.
1533 (adjust_len.map_bits): Rename to insert_bits.
1534 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1535 * avr-protos.h (avr_out_map_bits): Remove.
1536 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1537 * config/avr/constraints.md (Cxf,C0f): New.
1538 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1539 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1540 New built-in define __BUILTIN_AVR_INSERT_BITS.
1541 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1542 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1543 (avr_move_bits): Rewrite.
1544 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1546 (avr_map_op_t): New typedef.
1547 (avr_map_op): New static variable.
1548 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1549 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1550 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1551 (bdesc_3arg, avr_expand_triop_builtin): New.
1552 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1553 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1554 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1555 (avr_map_equal_p, avr_map_sig_p): Remove.
1556 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1557 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1558 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1559 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1560 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1561 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1563 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1565 * config/c6x/c6x.md (reserve_cycles): New attribute.
1566 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1567 don't reserve functional units after the branch occurs.
1569 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1572 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1573 functions into non-tm_pure functions.
1575 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1578 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1579 (iterative_hash_canonical_type): Likewise.
1580 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1583 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1585 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1586 sched-group insn, it either remains alone or the entire list is pruned.
1588 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1590 * doc/install.texi (Prerequisites): Fix grammar.
1591 (Configuration): Likewise.
1593 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1595 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1596 MPC as part of GCC before describing configuring with --with-gmp etc.
1597 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1598 sources are present.
1600 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1603 * dwarf2out.c (clone_tree_hash): New function.
1604 (copy_decls_walk): Use it instead of clone_tree.
1606 2012-02-14 Richard Guenther <rguenther@suse.de>
1608 PR tree-optimization/52244
1609 PR tree-optimization/51528
1610 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1611 replacements for integral types.
1613 2012-02-14 Walter Lee <walt@tilera.com>
1615 * config.gcc: Handle tilegx and tilepro.
1616 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1618 Add HAVE_AS_TLS check for tilegx and tilepro.
1619 * configure: Regenerate.
1620 * doc/contrib.texi: Add Mat Hostetter and self.
1621 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1622 Document instruction intrinsics and network accessing intrinsics.
1623 (TILEPro Built-in Functions): New node. Document instruction
1624 intrinsics and network accessing intrinsics.
1625 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1626 (Specific, tilepro-*-linux*): Likewise.
1627 * doc/invoke.texi (TILE-Gx Options): New section.
1628 (TILEPro Options): New section.
1629 * doc/md.texi (TILE-Gx): New section.
1630 (TILEPro): New section.
1631 * common/config/tilegx/tilegx-common.c: New file.
1632 * common/config/tilepro/tilepro-common.c: New file.
1633 * config/tilegx/constraints.md: New file.
1634 * config/tilegx/linux.h: New file.
1635 * config/tilegx/mul-tables.c: New file.
1636 * config/tilegx/predicates.md: New file.
1637 * config/tilegx/sync.md: New file.
1638 * config/tilegx/t-tilegx: New file.
1639 * config/tilegx/tilegx-builtins.h: New file.
1640 * config/tilegx/tilegx-c.c: New file.
1641 * config/tilegx/tilegx-generic.md: New file.
1642 * config/tilegx/tilegx-modes.def: New file.
1643 * config/tilegx/tilegx-multiply.h: New file.
1644 * config/tilegx/tilegx-protos.h: New file.
1645 * config/tilegx/tilegx.c: New file.
1646 * config/tilegx/tilegx.h: New file.
1647 * config/tilegx/tilegx.md: New file.
1648 * config/tilegx/tilegx.opt: New file.
1649 * config/tilepro/constraints.md: New file.
1650 * config/tilepro/gen-mul-tables.cc: New file.
1651 * config/tilepro/linux.h: New file.
1652 * config/tilepro/mul-tables.c: New file.
1653 * config/tilepro/predicates.md: New file.
1654 * config/tilepro/t-tilepro: New file.
1655 * config/tilepro/tilepro-builtins.h: New file.
1656 * config/tilepro/tilepro-c.c: New file.
1657 * config/tilepro/tilepro-generic.md: New file.
1658 * config/tilepro/tilepro-modes.def: New file.
1659 * config/tilepro/tilepro-multiply.h: New file.
1660 * config/tilepro/tilepro-protos.h: New file.
1661 * config/tilepro/tilepro.c: New file.
1662 * config/tilepro/tilepro.h: New file.
1663 * config/tilepro/tilepro.md: New file.
1664 * config/tilepro/tilepro.opt: New file.
1666 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1668 PR tree-optimization/52210
1669 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1670 vect_model_simple_cost with two entry vect_def_type array instead
1671 of an address of dt.
1673 2012-02-14 Richard Guenther <rguenther@suse.de>
1676 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1677 Do not stream DECL_QUALIFIER.
1678 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1679 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1680 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1682 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1685 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1688 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1691 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1692 * cselib.c (cselib_subst_to_values_from_insn): New function.
1693 * sched-deps.c (add_insn_mem_dependence,
1694 sched_analyze_1, sched_analyze_2): Use it.
1696 2012-02-13 Jan Hubicka <jh@suse.cz>
1699 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1701 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1703 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1704 (GTM_SELF_SPECS): Define if not already defined.
1705 (driver_self_specs): Add GTM_SELF_SPECS.
1706 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1707 (GTM_SELF_SPECS): Define.
1708 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1709 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1711 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1713 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1716 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1719 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1720 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1722 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1725 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1727 2012-02-13 Richard Guenther <rguenther@suse.de>
1729 PR translation/52211
1730 * passes.c (enable_disable_pass): Fix typo.
1732 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1735 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1736 XOR for reduce_bit_field if type is unsigned.
1738 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1740 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1741 disallow changes from SFmode to mode with different size in FP regs.
1743 2012-02-12 Robert Millan <rmh@gnu.org>
1744 Gerald Pfeifer <gerald@pfeifer.com>
1746 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1749 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1751 PR rtl-optimization/52175
1752 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1753 to frame-related instructions.
1755 2012-02-10 Jason Merrill <jason@redhat.com>
1758 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1759 (demangle_new_symbols): Fill it.
1760 (scan_linker_output): Walk it.
1761 (start_tweaking): Split out from scan_linker_output.
1762 (maybe_tweak): Update sym->chosen.
1763 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1765 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1768 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1770 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1772 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1773 having the same mode as previous compare.
1775 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1777 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1778 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1779 (nonlocal_goto_internal): Likewise.
1780 (nonlocal_goto): Emit a use and an indirect jump directly.
1782 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1785 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1786 __atomic_{is,always}_lock_free.
1788 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1791 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1792 negative constant address for x32.
1794 2012-02-10 Richard Henderson <rth@redhat.com>
1796 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1797 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1798 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1800 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1801 Ira Rosen <irar@il.ibm.com>
1803 PR tree-optimization/50031
1804 * targhooks.c (default_builtin_vectorization_cost): Handle
1806 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1807 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1808 all types of reduction and pattern statements.
1809 (vect_estimate_min_profitable_iters): Likewise.
1810 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1811 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1812 for explicit realigns.
1813 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1814 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1816 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1817 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1818 vec_perm for VSX and handle vec_promote_demote.
1820 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1823 * builtins.c (fold_builtin_atomic_always_lock_free,
1824 expand_builtin_atomic_always_lock_free,
1825 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1826 Return and/or test boolean_true_node/boolean_false_node instead of
1827 integer_one_node/integer_zero_node.
1829 2012-02-10 Jan Hubicka <jh@suse.cz>
1832 * predict.c (predict_paths_for_bb): Prevent looping.
1833 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1835 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1837 * config/arm/arm.c (output_move_double): In one case properly
1838 count number of instructions that will be emitted.
1840 2012-02-10 Richard Guenther <rguenther@suse.de>
1842 PR translation/52193
1843 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1845 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1848 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1850 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1853 * var-tracking.c (emit_note_insn_var_location): If
1854 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1855 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1856 non-NOTE_DURING_CALL_P insn.
1858 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1861 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1863 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1866 * gcc.c (switch_matches) Support switches with separated form,
1869 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1871 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1873 (RAMPZ_ADDR): Ditto.
1874 * config/avr/avr.c (avr_addr_t): New typedef.
1875 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1876 (avr_init_expanders): Initialize it.
1877 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1879 (expand_epilogue): Ditto.
1880 (avr_print_operand): Ditto.
1881 (avr_file_start): Ditto.
1882 (avr_emit_movmemhi): Ditto.
1884 2012-02-08 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/46886
1887 * tree-flow.h (do_while_loop_p): Declare.
1888 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1889 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1891 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1893 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1894 always succeed for integers larger than a native word.
1896 2012-02-08 Richard Guenther <rguenther@suse.de>
1898 PR rtl-optimization/52170
1899 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1900 properly handle integer vector modes.
1902 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1904 PR gcov-profile/52150
1905 * coverage.c: Include target.h.
1906 (build_var): Call targetm.strip_name_encoding on the assembler name.
1907 Change one _ into . or $ if the target allows it.
1908 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1910 PR rtl-optimization/52139
1911 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1912 is a BARRIER after emit_insn_after_noloc, move BB_END
1913 to the last non-BARRIER insn before it.
1915 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1918 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1919 (mips_gimplify_va_arg_expr): Call it instead of
1920 std_gimplify_va_arg_expr.
1922 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1924 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1925 message for -mno-pointers-to-nested-function.
1927 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1930 * expr.c (get_inner_reference): If there is an offset, add a negative
1931 bit position to it (if any).
1933 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1935 PR rtl-optimization/52060
1936 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1937 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1938 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1939 and/or i0src_copy2 when needed.
1941 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1943 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1944 or LTOPLUGINSONAME if have_c.
1946 * config/freebsd-spec.h: Add comment about what macros can be defined
1948 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1949 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1952 2012-02-07 Richard Guenther <rguenther@suse.de>
1954 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1955 newline in -alias dumps.
1957 2012-02-07 Kai Tietz <ktietz@redhat.com>
1958 Dave Korn <dave.korn.cygwin@gmail.com>
1961 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1962 Take care that typinfo gets dllexport-attribute.
1964 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1967 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1968 if modifier < EXPAND_SUM call force_operand on the result.
1970 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1972 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1973 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1975 (epiphany_function_type): Replace types for specific interrupts with
1976 EPIPHANY_FUNCTION_INTERRUPT.
1977 (EPIPHANY_INTERRUPT_P): Update.
1978 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1979 New static function.
1980 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1981 <disinterrupt>: Affects type identity.
1982 (epiphany_handle_interrupt_attribute): Handle variable number of
1984 (epiphany_compute_function_type): Update for new
1985 epiphany_function_type definition.
1986 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1987 handlers with a longcall forwarder.
1988 (epiphany_start_function): Handle multiple interrupt arguments and/or
1989 forwarder_section attribute.
1991 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1994 2012-02-07 Alan Modra <amodra@gmail.com>
1997 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2000 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2002 PR tree-optimization/50969
2003 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2004 use vec_perm rather than vector_stmt.
2005 (vect_model_load_cost): Likewise.
2006 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2007 vec_perm to be the same as other vector statements.
2008 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2009 cost of vec_perm for TARGET_VSX.
2011 2012-02-06 Richard Guenther <rguenther@suse.de>
2013 PR tree-optimization/52115
2014 * tree-sra.c (access_has_replacements_p): New function.
2015 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2017 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2020 * trans-mem.c (expand_call_tm): Add an assertion.
2021 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2024 2012-02-06 Richard Guenther <rguenther@suse.de>
2026 PR tree-optimization/50955
2027 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2028 raise cost of expressions that replace an address with an
2029 expression based on a different pointer.
2031 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2034 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2035 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2037 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2040 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2041 -Weffc++ and specify guidelines come from second edition.
2043 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2045 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2046 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2047 (call_direct_split, call_value_split, call_value_internal_direct)
2048 (call_value_direct_split, call_value_multiple_split): Use jal and
2049 jal_macro attributes.
2051 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2053 * reload1.c (reload_regs_reach_end_p): Replace with...
2054 (reload_reg_rtx_reaches_end_p): ...this function.
2055 (new_spill_reg_store): Update commentary.
2056 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2057 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2058 before setting new_spill_reg_store.
2059 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2060 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2061 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2062 for non-spill reload registers.
2064 2012-02-05 Ira Rosen <irar@il.ibm.com>
2066 PR tree-optimization/52091
2067 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2068 (vect_is_simple_use_1): Likewise.
2069 * tree-vect-loop.c (vectorizable_reduction): Update calls
2070 to vect_is_simple_use_1 and vect_is_simple_use.
2071 (vectorizable_live_operation): Likewise.
2072 * tree-vect-patterns.c (widened_name_p,
2073 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2074 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2075 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2076 vectorizable_shift,vectorizable_operation, vectorizable_store,
2077 vectorizable_load): Likewise.
2078 (vect_is_simple_cond): Add an argument, pass it to
2079 vect_is_simple_use_1.
2080 (vectorizable_condition): Update calls to vect_is_simple_cond,
2082 (vect_is_simple_use): Add an argument, the statement in which
2083 OPERAND is used. Check that if OPERAND's def stmt is a double
2084 reduction phi node, the use is a phi node too.
2085 (vect_is_simple_use_1): Add an argument, pass it to
2087 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2088 to vect_is_simple_use.
2090 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2092 PR rtl-optimization/52095
2093 * modulo-sched.c (dump_insn_locator): New function.
2094 (loop_canon_p, sms_schedule): Use it.
2096 PR rtl-optimization/52113
2097 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2098 even for decomposable shift/zext insns.
2100 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2101 Zdenek Dvorak <ook@ucw.cz>
2103 PR rtl-optimization/52092
2104 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2105 on get_iv_value result.
2107 2012-02-02 Andrew Pinski <apinski@cavium.com>
2111 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2113 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2116 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2118 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2120 PR rtl-optimization/49800
2121 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2122 (sched_finish): Call regstat_free_n_sets_and_refs.
2124 2012-02-02 Jia Liu <proljc@gmail.com>
2126 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2129 2012-02-02 Jan Hubicka <jh@suse.cz>
2130 Tom de Vries <tom@codesourcery.com>
2133 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2134 * varpool.c (varpool_analyze_pending_decls): Likewise.
2136 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2137 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2139 * config.gcc: Add cr16-* support.
2141 * doc/extend.texi: Document cr16 extensions.
2142 * doc/install.texi: Document cr16 install.
2143 * doc/invoke.texi: Document cr16 options.
2144 * doc/md.texi: Document cr16 constraints.
2146 * common/config/cr16/cr16-common.c: New file.
2147 * config/cr16/cr16.c: New file.
2148 * config/cr16/cr16.h: New file.
2149 * config/cr16/cr16.md: New file.
2150 * config/cr16/cr16.opt: New file.
2151 * config/cr16/cr16-protos.h: New file.
2152 * config/cr16/predicates.md: New file.
2153 * config/cr16/constraints.md: New file.
2154 * config/cr16/t-cr16: New file.
2156 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2159 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2160 that operands[2] is either immediate, or q_regs_operand.
2162 PR tree-optimization/52073
2163 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2164 a pattern stmt for pattern uses, ignore uses outside of the loop.
2166 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2168 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2169 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2170 (OUT_AS1, OUT_AS2): Remove.
2172 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2174 PR rtl-optimization/51374
2175 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2176 to cross other volatile_refs_p insns.
2178 2012-02-01 Richard Guenther <rguenther@suse.de>
2180 * doc/invoke.texi (fno-inline): Clarify documentation.
2181 (finline-small-functions): Likewise.
2182 (finline-functions): Likewise.
2183 * common.opt (finline): Adjust comment and documentation.
2184 (finline-small-functions): Clarify documentation.
2185 (finline-functions): Likewise.
2186 (finline-functions-called-once): Likewise.
2188 2012-02-01 Tristan Gingold <gingold@adacore.com>
2190 * c-typeck.c (composite_type): Keep mode for pointers.
2192 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2194 * function.h (regno_reg_rtx): Adjust comment.
2195 * reginfo.c (init_reg_modes_target): Only use the previous mode
2196 if it fits within one register. Remove MIPS comment.
2198 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2201 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2203 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2205 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2206 to srak instruction.
2208 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2210 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2212 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2217 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2219 2012-01-31 Richard Guenther <rguenther@suse.de>
2221 PR tree-optimization/51528
2222 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2225 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2230 * ree.c (add_removable_extension): Change def_map argument
2231 to unsigned *, store in def_map 1 + offset into *insn_list vector
2232 instead of pointers into the vector.
2233 (find_removable_extensions): Adjust caller.
2235 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2237 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2238 Transform all "* quoted-c-code" to { c-code }.
2239 Remove redundant test for "optimize" in combine patterns.
2240 Move (include "avr-dimode.md") to end of file.
2242 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2245 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2246 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2248 2012-01-30 Richard Guenther <rguenther@suse.de>
2250 PR tree-optimization/52028
2251 * tree-loop-distribution.c (ldist_gen): Properly update
2254 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2257 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2258 set_cur_line_info_table if not emitting debug info.
2260 PR tree-optimization/52046
2261 * tree-vect-patterns.c (check_bool_pattern): Give up if
2262 a comparison could throw.
2265 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2267 2012-01-30 Richard Guenther <rguenther@suse.de>
2269 PR tree-optimization/52045
2270 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2271 SSA form if cfgcleanup did anything.
2273 2012-01-30 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/52045
2276 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2277 before computing final todo.
2279 2012-01-30 Richard Guenther <rguenther@suse.de>
2281 PR tree-optimization/51528
2282 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2285 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2287 * df-problems.c (df_kill_notes): Check that the use refers
2288 to the note under examination.
2290 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2293 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2294 parameter and use short-lived pseudos.
2295 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2296 (sparc_expand_vector_init): Const-ify local variables and adjust
2297 calls to above functions.
2299 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2301 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2303 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2305 * doc/invoke.texi: Make usage of "compile time" and
2306 "run time"/"runtime" consistent throughout the file.
2308 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2310 * config/alpha/alpha.c (alpha_option_override): Default to
2311 full IEEE compliance mode for Go language.
2313 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2315 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2316 (LINK_SSP_SPEC): Define.
2318 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2321 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2324 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2326 * doc/invoke.texi: Correct hyphenation of "floating point",
2327 "double precision", and related terminology throughout the file.
2329 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2332 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2333 arm_general_register_operand predicate for operand 2 instead of
2336 2012-01-27 Ian Lance Taylor <iant@google.com>
2339 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2340 * builtins.c (expand_builtin_init_trampoline): Add onstack
2341 parameter. Change caller.
2342 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2343 * tree.c (build_common_builtin_nodes): Declare
2344 __builtin_init_heap_trampoline.
2346 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2348 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2349 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2350 * config/avr/avr.c: Ditto.
2351 (avr_regnames): Remove because unused.
2352 * config/avr/avr.md (*cpse.ne): New peephole.
2353 (*cpse.eq): New peephole from former cpse peepholes.
2355 2012-01-27 Michael Eager <eager@eagercon.com>
2357 * config/microblaze.c (microblaze_emit_compare): Correct
2358 test after pcmp instruction.
2360 2012-01-27 Richard Guenther <rguenther@suse.de>
2362 PR tree-optimization/52020
2363 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2365 2012-01-27 Richard Guenther <rguenther@suse.de>
2367 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2368 function non-const/pure.
2370 2012-01-27 Richard Guenther <rguenther@suse.de>
2372 PR tree-optimization/50444
2373 * tree-sra.c (build_ref_for_offset): Properly adjust the
2374 MEM_REF type for unaligned accesses.
2376 2012-01-27 Richard Guenther <rguenther@suse.de>
2378 PR tree-optimization/50444
2379 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2380 (expand_assignment): Use it. Properly handle misaligned
2381 bases when expanding stores to component references.
2382 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2385 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2388 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2389 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2390 * tree-data-ref.c (find_data_references_in_loop): Make static.
2391 (compute_all_dependences): Change return type to bool. Bail out
2392 for too many datarefs in a loop. Move the hunk resetting the data
2393 dependences vector from ...
2394 (compute_data_dependences_for_loop): ... here. Account for
2395 compute_all_dependences returning false.
2396 (compute_data_dependences_for_bb): Likewise.
2397 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2398 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2400 2012-01-27 Richard Guenther <rguenther@suse.de>
2403 * expr.c (store_field): Use the alias-set of the scratch memory
2406 2012-01-27 Tom de Vries <tom@codesourcery.com>
2408 PR tree-optimization/51990
2409 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2411 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2413 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2416 * var-tracking.c (reverse_op): Don't add any reverse operation
2417 if V already has any constant locations.
2419 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2421 * doc/invoke.texi: Correct usage of "command line" (noun)
2422 vs "command-line" (adjective) throughout.
2424 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2426 * doc/invoke.texi (Language Independent Options): Move
2427 -Wcoverage-mismatch blurb from here....
2428 (Warning Options): ...to here.
2430 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2432 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2433 Set rs6000_always_hint to false for 476.
2435 2012-01-27 Matthias Klose <doko@ubuntu.com>
2437 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2439 * incpath.c (add_standard_paths): Likewise.
2441 2012-01-27 Richard Henderson <rth@redhat.com>
2443 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2444 * config/m68k/sync.md (atomic_test_and_set): Rename from
2445 sync_test_and_setqi and adjust the operands.
2446 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2447 and unconditionally enable.
2449 2012-01-27 Richard Henderson <rth@redhat.com>
2451 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2452 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2453 (ldstub): Rename from ldstubqi.
2454 (ldstub<I24MODE>): Remove.
2456 2012-01-27 Richard Henderson <rth@redhat.com>
2458 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2459 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2460 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2461 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2462 * doc/tm.texi: Rebuild.
2464 2012-01-27 Richard Henderson <rth@redhat.com>
2466 * optabs.c (gen_atomic_test_and_set): Remove default.
2467 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2469 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2471 PR rtl-optimization/51978
2472 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2473 (combine_reaching_defs): Likewise.
2474 (struct re_info): Remove.
2475 (add_removable_extension): Remove x and data arguments,
2476 add insn, insn_list and def_map. Use the arguments directly
2477 instead of using struct re_info.
2478 (find_removable_extensions): Don't call add_removable_extension
2479 through note_stores, instead just call it with single_set
2481 (find_and_remove_re): Pass curr_cand->expr instead of
2482 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2484 2012-01-26 Michael Matz <matz@suse.de>
2486 PR tree-optimization/46590
2487 * cfgexpand.c: Revert last change (r183305).
2488 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2490 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2491 checking for emptiness.
2493 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2496 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2497 non-addressable non-BLKmode base correctly.
2499 2012-01-26 Michael Matz <matz@suse.de>
2501 PR tree-optimization/48794
2502 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2503 regions referenced from RESX/EH_DISPATCH.
2505 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2507 * config/s390/s390.h: Make BRANCH_COST an option.
2508 * config/s390/s390.opt: New option -mbranch-cost.
2510 2012-01-26 Richard Henderson <rth@redhat.com>
2512 Revert 2012-01-24 change:
2513 * trans-mem.c (requires_barrier): Do not instrument thread local
2514 variables and emit save/restore for them.
2516 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2519 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2522 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2524 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2527 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2530 Rename __pgm to __flash.
2531 Rename __pgm1 to __flash1.
2532 Rename __pgm2 to __flash2.
2533 Rename __pgm3 to __flash3.
2534 Rename __pgm4 to __flash4.
2535 Rename __pgm5 to __flash5.
2536 Rename __pgmx to __memx.
2537 * doc/extend.texi (AVR Named Address Spaces)
2538 Rename address space names as indicated above.
2539 * config/avr/avr.c (avr_addrspace): Ditto.
2541 * config/avr/avr-protos.h
2542 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2543 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2544 * config/avr/predicates.md: Ditto.
2545 * config/avr/avr.c Ditto, and
2546 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2547 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2549 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2550 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2551 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2552 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2553 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2554 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2555 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2556 * config/avr/avr.c: Ditto.
2557 * config/avr/avr.md: Ditto.
2559 2012-01-25 Jason Merrill <jason@redhat.com>
2562 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2564 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2566 PR tree-optimization/51987
2567 * tree-data-ref.c (get_references_in_stmt): Handle references in
2568 non-volatile GIMPLE_ASM.
2570 2012-01-25 Richard Guenther <rguenther@suse.de>
2572 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2573 bases are dereferenced.
2575 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2577 PR rtl-optimization/48374
2578 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2580 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2582 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2583 compute_data_dependences_for_loop returns false.
2584 * tree-parloops.c (loop_parallel_p): Likewise.
2586 2012-01-25 Richard Guenther <rguenther@suse.de>
2588 * tree.h (get_pointer_alignment_1): Declare.
2589 * builtins.c (get_pointer_alignment_1): New function.
2590 (get_pointer_alignment): Use it.
2592 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2594 PR rtl-optimization/48308
2595 * combine.c (enum undo_kind): Add UNDO_LINKS.
2596 (struct undo): Add member l to other_contents and where.
2597 (do_SUBST_LINK): New.
2599 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2600 (undo_all): Handle UNDO_LINKS.
2602 2012-01-25 Richard Henderson <rth@redhat.com>
2604 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2607 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2609 * optabs.c (gen_atomic_test_and_set): Use each argument.
2611 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2613 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2614 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2615 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2616 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2617 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2618 TARGET_PAIRED_SINGLE_FLOAT.
2620 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2622 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2623 (in_struct, return_val): Remove MEM documentation.
2624 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2625 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2626 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2628 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2629 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2630 * expr.c (store_field): Likewise.
2631 * function.c (assign_stack_temp_for_type): Likewise.
2632 * ifcvt.c (noce_try_cmove_arith): Likewise.
2633 * reload1.c (reload): Likewise.
2634 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2635 (alpha_set_memflags): Likewise.
2636 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2638 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2640 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2642 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2643 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2644 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2646 * cselib.c (cselib_rtx_varies_p): Delete.
2647 (cselib_invalidate_mem): Update call to canon_true_dependence.
2648 * dse.c (record_store, check_mem_read_rtx): Likewise.
2649 (scan_reads_nospill): Likewise.
2650 * cse.c (check_dependence): Likewise.
2651 (cse_rtx_varies_p): Delete.
2652 * expr.c (safe_from_p): Update call to true_dependence.
2653 * ira.c (validate_equiv_mem_from_store): Likewise.
2654 (memref_referenced_p): Likewise.
2655 * postreload-gcse.c (find_mem_conflicts): Likewise.
2656 * sched-deps.c (sched_analyze_2): Likewise.
2657 * store-motion.c (load_kills_store): Likewise.
2658 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2659 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2660 (compute_transp): Update call to canon_true_dependence.
2662 2012-01-25 Richard Henderson <rth@redhat.com>
2664 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2665 (maybe_emit_atomic_test_and_set): New.
2666 (expand_sync_lock_test_and_set): Use it.
2667 (expand_atomic_test_and_set): Likewise.
2668 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2669 the implementation; clarify implementation defined details.
2670 * doc/md.texi (atomic_test_and_set): Document.
2672 2012-01-25 Richard Henderson <rth@redhat.com>
2674 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2676 2012-01-25 Richard Henderson <rth@redhat.com>
2679 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2680 to effect no-op split.
2682 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2685 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2686 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2687 (BT_FN_VOID_PTR_INT_SIZE): New.
2688 (BT_FN_UINT_UINT_VAR): Remove.
2689 (BT_FN_UINT32_UINT32_VAR): New.
2690 (BT_FN_DOUBLE_VPTR): Remove.
2691 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2693 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2694 (_ITM_changeTransactionMode): Same.
2695 (_ITM_memmoveRtWt): Change return type to void.
2696 (_ITM_memcpyRtWt): Same.
2697 (_ITM_memsetW): Same.
2698 (_ITM_RaRD): Change types to double.
2703 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2705 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2706 Patrick Marlier <patrick.marlier@gmail.com>
2708 * trans-mem.c (requires_barrier): Do not instrument thread local
2709 variables and emit save/restore for them.
2711 2012-01-24 Jason Merrill <jason@redhat.com>
2714 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2715 output static aliases.
2717 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2720 * common.opt (-pie, -shared, pie, shared): Change from Common to
2722 * gcc.c (display_help): Display help for -pie and -shared.
2724 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2727 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2728 Remove note on size/offset limitation.
2729 (AVR Variable Attributes): Add example how to read data located
2730 with progmem. Refer to named address spaces.
2731 * doc/invoke.texi (AVR Options): Fix typo.
2733 2012-01-24 Richard Guenther <rguenther@suse.de>
2735 Forward-port to trunk
2736 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2739 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2740 op0 isn't sufficiently aligned and there is movmisalignM
2741 insn for mode, use it to load op0 into a temporary register.
2743 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2746 * target.def (const_not_ok_for_debug_p): New hook.
2747 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2749 * doc/tm.texi: Regenerated.
2750 * dwarf2out.c (const_ok_for_output_1): If
2751 targetm.const_not_ok_for_debug_p returns true, fail.
2752 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2754 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2756 2012-01-23 Kai Tietz <ktietz@redhat.com>
2759 * config/i386/predicates.md (symbolic_operand): Allow
2760 UNSPEC_PCREL as PIC expression for lea.
2761 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2762 * config/i386/i386.c (ix86_delegitimize_address): Handle
2763 UNSPEC_PCREL for none-MEM, too.
2765 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2767 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2768 (ipa_tm_create_version_alias): Same.
2770 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2773 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2774 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2776 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2777 Patrick Marlier <patrick.marlier@gmail.com>
2778 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2781 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2782 simple_object_start_read.
2784 2012-01-23 Richard Guenther <rguenther@suse.de>
2787 PR tree-optimization/51895
2788 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2789 parameter decomposition into BLKmode components.
2791 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2793 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2794 fake variables for restrict-qualified pointers whose pointed-to type
2795 contains a placeholder.
2797 2012-01-23 Richard Guenther <rguenther@suse.de>
2799 PR tree-optimization/51949
2800 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2802 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2804 PR rtl-optimization/51933
2805 * ree.c (transform_ifelse): Return true right away if dstreg is
2806 already wider or equal to cand->mode.
2807 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2808 (make_defs_and_copies_lists): Remove defs_list and copies_list
2809 arguments, add state argument, just truncate state->work_list
2810 instead of always allocating and freeing the vector. Assert that
2811 get_defs succeeds instead of returning 2. Changed return type to bool.
2812 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2813 have ext_src_mode, see if it has been modified already with the
2814 right kind of extension and has been extended before from the
2815 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2816 just return true. Remember the original mode in state->modified array.
2817 (combine_reaching_defs): Add state argument. Don't allocate and
2818 free here def_list, copied_list and vec vectors, instead just
2819 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2820 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2821 Add state variable, clear vectors in it, initialize state.modified
2822 if needed. Free all the vectors at the end and state.modified too.
2823 Don't skip a candidate if the extension expression has been modified.
2825 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2828 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2829 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2830 (extra_options) interix.opt -> i386/interix.opt"
2831 (extra_objs):Add winnt-stubs.o
2832 * configure.ac: Add interix to target_os .comm on PE check.
2833 * configure: Regenerate.
2834 * config/interix3.h: Delete and move bits to..
2835 * config/interix.h: Delete and move bits to..
2836 * config/i386/i386-interix3.h: Delete and move bits to..
2837 * config/i386/i386-interix.h: ..here.
2838 (TARGET_CPU_DEFAULT): Remove redefinition.
2839 (TARGET_ASM_CONSTRUCTOR): Undefine.
2840 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2841 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2842 (PTRDIFF_TYPE): Define.
2843 (LONG_DOUBLE_TYPE_SIZE): Define.
2844 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2845 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2846 (TARGET_SECTION_TYPE_FLAGS): Define.
2847 (ASM_DECLARE_FUNCTION_NAME): Define.
2848 (ASM_OUTPUT_EXTERNAL): Define.
2849 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2850 (ASM_OUTPUT_ALIGNED_BSS): Define.
2851 (PCC_BITFIELD_TYPE_MATTERS): Define.
2852 (USE_CONST_SECTION): Define.
2853 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2854 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2855 (SUPPORTS_ONE_ONLY): Remove.
2856 (I386_PE_STRIP_ENCODING): Define.
2857 * config/interix.opt: Delete and move bits to..
2858 * config/i386/interix.opt: ..here. New.
2859 (mpe-aligned-commons): Add.
2860 * config/i386/t-interix: Add copyright header.
2861 (winnt-stubs.o): Add rule.
2863 2012-01-22 Jason Merrill <jason@redhat.com>
2866 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2867 for extra name aliases.
2869 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2871 PR rtl-optimization/51924
2872 * ree.c (combine_set_extension): Improve debugging message.
2873 (combine_reaching_defs): Likewise.
2874 (get_defs): Rename confusingly named variable.
2875 (find_and_remove_re): Skip a candidate if the extension expression has
2878 2012-01-21 Robert Millan <rmh@gnu.org>
2879 Gerald Pfeifer <gerald@pfeifer.com>
2881 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2882 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2884 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2886 PR tree-optimization/51914
2887 * tree-vect-stmts.c (vectorizable_conversion): For
2888 cvt_type && modifier == WIDEN, put temporary with cvt_type
2889 at the beginning of vec_dsts and set vec_dest to temporary
2892 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2894 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2896 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2898 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2899 * config/rs6000/rs6000.c: Likewise.
2901 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2904 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2905 output_move_double on a copy of operands array.
2907 2012-01-20 Cary Coutant <ccoutant@google.com>
2908 Dodji Seketeli <dodji@redhat.com>
2911 * dwarf2out.c (copy_declaration_context): Return ref to parent
2912 of declaration DIE, if necessary.
2913 (remove_child_or_replace_with_skeleton): Add new parameter; update
2914 caller. Place skeleton DIE under parent DIE of original declaration.
2915 Move call to copy_declaration_context to here ...
2916 (break_out_comdat_types): ... from here.
2918 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2920 PR rtl-optimization/51856
2921 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2924 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2927 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2928 hints for neon loads and stores.
2930 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2934 * doc/extend.texi (Named Address Spaces): Split into subsections.
2935 (AVR Named Address Spaces): New subsection.
2936 (M32C Named Address Spaces): New subsection.
2937 (RL78 Named Address Spaces): New subsection.
2938 (SPU Named Address Spaces): New subsection.
2939 (Variable Attributes): New anchor "AVR Variable Attributes".
2940 (AVR Variable Attributes): Rewrite and avoid wording
2941 "address space" in this context.
2942 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2943 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2944 (AVR Built-in Macros): New subsubsection therein.
2945 * doc/md.texi (AVR constraints): Remove "C04", "R".
2947 2012-01-20 Richard Guenther <rguenther@suse.de>
2949 PR tree-optimization/51903
2950 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2951 when removing stmts.
2953 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2956 * config/arm/arm.c (arm_load_pic_register): Use
2957 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2958 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2959 (arm_pic_static_addr): Likewise.
2960 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2961 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2962 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2963 (pic_load_addr_unified): New.
2965 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2968 * function.c (instantiate_virtual_regs_in_insn): Use
2969 delete_insn_and_edges when removing a wrong asm insn.
2971 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2973 PR rtl-optimization/40761
2974 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2975 Add new member loop_num.
2976 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2977 (ira_build): Remove the parameter.
2979 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2980 (ira.c): Do not build CFG loops for one region allocation. Remove
2981 argument from ira_build call.
2983 * ira-build.c (init_loop_tree_node): New function.
2984 (create_loop_tree_nodes): Use it. Separate the case when CFG
2985 loops are not built.
2986 (more_one_region_p): Check current_loops.
2987 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2989 (add_loop_to_tree): Process loop equal to NULL too.
2990 (form_loop_tree): Separate the case when CFG loops are not built.
2991 Use explicitly number for the root.
2992 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2994 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2995 instead of loop->num.
2996 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2997 (mark_all_loops_for_removal): Ditto.
2998 (remove_unnecessary_regions): Separate the case when CFG loops
3000 (ira_build): Remove the parameter. Use explicit number of regions
3001 when CFG loops are not built.
3003 * ira-color.c (print_loop_title): Separate the case for the root node.
3004 Use loop_num instead of loop->num.
3005 (move_spill_restore): Use loop_num instead of loop->num.
3007 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3008 (change_loop): Ditto.
3009 (change_loop): Use loop_num instead of loop->num.
3011 * ira-lives.c (process_bb_node_lives): Ditto.
3013 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3015 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3017 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3020 * tree-mudflap.c (mf_artificial): New function.
3021 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3022 mx_register_decls, mudflap_enqueue_decl): Use it.
3025 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3026 numbers in the insn pattern.
3028 2012-01-19 Michael Matz <matz@suse.de>
3030 PR tree-optimization/46590
3031 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3032 use it in remembering which conflicts we already created.
3033 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3036 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3039 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3040 (merge_and_complain): Same.
3042 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3045 * config/initfini-array.h: Guard content of the header
3046 with #ifdef HAVE_INITFINI_ARRAY.
3047 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3048 Add initfini-array.h to tm_file here.
3049 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3050 * config.gcc: Don't add initfini-array.h to tm_file here.
3051 * configure: Regenerated.
3053 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3055 PR rtl-optimization/51505
3056 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3057 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3058 (df_note_bb_compute): Update the call to df_kill_notes.
3060 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3062 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3064 2012-01-18 Richard Guenther <rguenther@suse.de>
3066 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3067 of conversions to void *.
3069 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3070 Richard Sandiford <rdsandiford@googlemail.com>
3074 * optabs.h (simplify_expand_binop): Declare.
3075 * optabs.c (simplify_expand_binop): Make global.
3076 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3077 endian targets if the source cannot be exactly covered by word
3080 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3083 * hard-reg-set.h (struct hard_reg_set_container): New type.
3084 * target.h (struct hard_reg_set_container): Forward declare.
3085 * target.def (set_up_by_prologue): New target hook.
3086 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3087 * doc/tm.texi: Regenerated.
3088 * function.c (thread_prologue_and_epilogue_insns): Change
3089 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3090 Call targetm.set_up_by_prologue on it.
3091 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3092 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3094 2012-01-17 Nick Clifton <nickc@redhat.com>
3096 * config/rx/rx.c (rx_can_use_simple_return): New function.
3097 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3098 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3100 2012-01-17 Richard Guenther <rguenther@suse.de>
3103 * expr.c (expand_assignment): Take address-space information
3104 from the address operand of MEM_REF and TARGET_MEM_REF.
3105 (expand_expr_real_1): Likewise.
3107 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3109 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3110 reload dump is requested.
3112 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3115 * trans-mem.c (requires_barrier): Call may_be_aliased.
3117 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3119 PR tree-optimization/51877
3120 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3121 call arguments and fndecls compare equal, instead return false if they
3122 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3123 both SSA_NAMEs that are valueized the same, or they satisfy
3126 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3128 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3130 * configure: Regenerate.
3132 2012-01-16 Jan Hubicka <jh@suse.cz>
3136 * convert.c (convert_to_integer): Use fold_convert for
3137 converting an INTEGER_CST to integer type.
3139 2012-01-16 Jason Merrill <jason@redhat.com>
3142 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3144 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3147 * config/s390/s390.c (s390_chunkify_start): Don't skip
3148 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3149 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3150 If insn is followed by NOTE_INSN_VAR_LOCATION or
3151 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3152 Don't use location of note insns.
3154 PR tree-optimization/51865
3155 * tree-inline.c (tree_function_versioning): Call remap_decl
3156 on DECL_RESULT whenever it has VOID_TYPE_P type.
3158 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3160 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3161 for calls to locally-binding MIPS16 functions if only the return
3162 type uses float regs.
3164 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3165 Richard Sandiford <rdsandiford@googlemail.com>
3167 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3168 (SYMBOL_32_HIGH): Likewise.
3169 (mips_output_tls_reloc_directive): Declare.
3170 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3171 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3172 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3173 (mips_lo_relocs, mips_hi_relocs): Make extern.
3174 (mips16_stub_function): Move up file.
3175 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3176 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3177 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3178 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3179 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3180 (mips_get_tp): Add MIPS16 support.
3181 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3182 Generalize DTPREL and TPREL handling.
3183 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3184 Add MIPS16 TLS support.
3185 (mips_output_tls_reloc_directive): New function.
3186 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3187 * config/mips/predicates.md (symbolic_operand_with_high)
3188 (tls_reloc_operand): New predicates.
3189 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3190 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3191 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3192 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3193 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3194 (*tls_get_tp_mips16_call_<mode>): Likewise.
3196 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3198 PR rtl-optimization/51821
3199 * recog.c (peep2_find_free_register): Determine clobbered registers
3202 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3205 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3206 * config/avr/avr.c: Likewise.
3207 * config/avr/avr.h: Likewise.
3209 2012-01-13 Ian Lance Taylor <iant@google.com>
3212 * tree.h (TYPE_QUALS): Add cast to int.
3213 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3215 2012-01-13 Ian Lance Taylor <iant@google.com>
3217 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3218 comparing param_index to VEC_length result.
3220 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3222 * c-decl.c: Do not include tree-mudflap.h
3223 * tree-optimize.c: Likewise.
3224 * Makefile.in: Update dependencies.
3226 2012-01-13 Richard Guenther <rguenther@suse.de>
3229 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3230 variable-sized result always use RSO.
3232 2012-01-12 DJ Delorie <dj@redhat.com>
3234 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3235 pointer type, not just the default pointer type.
3237 2012-01-09 Richard Henderson <rth@redhat.com>
3238 Denis Chertykov <chertykov@gmail.com>
3241 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3242 * config/avr/avr.c (avr_can_eliminate): Simplify.
3243 (avr_initial_elimination_offset): Likewise.
3244 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3245 (expand_epilogue): Likewise.
3246 (avr_legitimize_address): Gut.
3247 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3248 (avr_hard_regno_nregs): New.
3249 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3250 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3251 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3252 add soft frame pointer.
3253 (CALL_USED_REGISTERS): Likewise.
3254 (REG_CLASS_CONTENTS): Likewise.
3255 (REGISTER_NAMES): Likewise.
3256 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3257 (HARD_FRAME_POINTER_REGNUM): New.
3258 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3259 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3260 remove the HARD_FRAME_POINTER self-elimination.
3262 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3265 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3266 DECL_EXTERNAL when checking for initializers of progmem variables.
3268 2012-01-12 Ira Rosen <irar@il.ibm.com>
3270 PR tree-optimization/51799
3271 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3272 that the last operation is a type demotion.
3274 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3276 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3277 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3279 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3282 * combine.c (distribute_notes): If i3 is a noreturn call,
3283 allow old_size to be equal to args_size and make sure the
3284 noreturn call gets REG_ARGS_SIZE note.
3285 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3286 on noreturn calls even when the delta is 0.
3288 2012-01-11 Nathan Sidwell <nathan@acm.org>
3290 * gcov.c (STRING_SIZE): Remove.
3291 (generate_results): Erase annotations for source files with no
3292 coverage information.
3294 (output_lines): Use it.
3296 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3298 * gimple.h (gimplify_body): Remove first argument.
3299 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3300 pointer set here, instead just pass DATA to walk_tree.
3301 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3302 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3303 (unvisit_body): Likewise, but with unmark_visited.
3304 (gimplify_body): Remove BODY_P argument and adjust.
3305 (gimplify_function_tree): Adjust call to gimplify_body.
3306 * omp-low.c (finalize_task_copyfn): Likewise.
3308 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3310 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3311 (build_function_type_skip_args): Delete.
3312 * tree.c (build_function_type_skip_args): Make static and add
3313 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3314 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3315 pass it to build_function_type_skip_args.
3316 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3317 (tree_function_versioning): Likewise.
3318 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3319 build_function_decl_skip_args.
3320 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3321 and pass it to build_function_decl_skip_args/tree_function_versioning.
3322 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3323 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3324 * trans-mem.c (ipa_tm_create_version): Likewise.
3325 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3326 * tree-inline.c (declare_return_variable): Remove always-true test.
3327 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3328 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3329 * ipa-split.c (split_function): Skip the return value for the split
3330 part if it doesn't return.
3332 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3334 PR tree-optimization/49642
3335 * ipa-split.c (forbidden_dominators): New variable.
3336 (check_forbidden_calls): New function.
3337 (dominated_by_forbidden): Likewise.
3338 (consider_split): Check for forbidden dominators.
3339 (execute_split_functions): Initialize and free forbidden
3340 dominators info; call check_forbidden_calls.
3342 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3344 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3346 2012-01-11 Nick Clifton <nickc@redhat.com>
3348 * config/rx/rx.md (return): Define pattern.
3350 2012-01-11 Richard Guenther <rguenther@suse.de>
3352 * doc/extend.texi (malloc attribute): Adjust according to
3355 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3356 Patrick Marlier <patrick.marlier@gmail.com>
3359 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3360 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3361 (ipa_tm_note_irrevocable): Same.
3362 (ipa_tm_scan_irr_block): Same.
3363 (ipa_tm_decrement_clone_counts): Same.
3364 (ipa_tm_scan_irr_function): Same.
3365 (ipa_tm_create_version_alias): Same.
3366 (ipa_tm_create_version): Same.
3367 (ipa_tm_transform_calls_redirect): Same.
3368 (ipa_tm_transform_calls): Same.
3369 (ipa_tm_transform_transaction): Same.
3370 (ipa_tm_execute): Same.
3372 2012-01-10 Richard Guenther <rguenther@suse.de>
3375 * opts.c (common_handle_option): Handle -Werror.
3377 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3379 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3382 2012-01-10 Jason Merrill <jason@redhat.com>
3384 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3387 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3389 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3390 supports R_386_TLS_GD_PLT reloc.
3391 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3392 supports R_386_TLS_LDM_PLT reloc.
3393 * configure: Regenerate.
3394 * config.in: Regenerate.
3396 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3399 Extend __pgmx semantics to linearize memory.
3400 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3401 determine if code comes inline or from libgcc.
3402 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3403 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3404 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3405 (movmemx_qi, movmemx_hi): New insns.
3406 (xload_<mode>_libgcc): Rewrite to new insn condition.
3407 (xload_<mode>): Remove insns.
3408 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3409 cases that don't satisfy avr_xload_libgcc_p().
3410 (avr_addr_space_convert): Allow converting in any direction.
3411 (avr_addr_space_subset_p): Return always true.
3412 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3413 (avr_emit_movmemhi): Ditto.
3414 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3415 (avr_out_movmem): Ditto.
3416 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3417 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3418 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3419 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3420 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3422 2012-01-10 Richard Guenther <rguenther@suse.de>
3424 PR tree-optimization/50913
3425 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3426 Require data-refs to be representable by Graphite with respect
3429 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3431 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3432 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3434 2012-01-10 Tom de Vries <tom@codesourcery.com>
3436 PR rtl-optimization/51271
3437 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3438 handling annulled branch.
3440 2012-01-10 Richard Henderson <rth@redhat.com>
3442 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3443 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3444 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3445 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3446 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3447 arm_expand_vec_perm_const): New.
3448 * config/arm/arm-protos.h: Update.
3449 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3450 (*neon_vswp<VDQX>): New.
3451 (neon_vcombine<VDX>): Use neon_split_vcombine.
3452 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3453 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3454 (vec_perm<VE>): New.
3456 2012-01-10 Richard Henderson <rth@redhat.com>
3458 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3459 use it if reload_completed.
3460 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3461 arm_output_asm_insn, arm_process_output_memory_barrier,
3462 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3463 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3464 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3465 arm_process_output_sync_insn, arm_output_sync_insn,
3466 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3467 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3468 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3469 (emit_unlikely_jump): New.
3470 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3471 (arm_split_atomic_op): New.
3472 * config/arm/arm-protos.h: Update.
3473 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3474 (struct arm_sync_generator): Remove.
3475 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3476 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3477 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3478 (VUNSPEC_LL, VUNSPEC_SC): New.
3479 (sync_result, sync_memory, sync_required_value, sync_new_value,
3480 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3481 (attr length): Don't use arm_sync_loop_insns.
3482 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3483 (movsfcc, movdfcc): Likewise.
3484 * config/arm/constraints.md (Ua): New.
3485 * config/arm/prediates.md (mem_noofs_operand): New.
3486 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3487 (sync_clobber, sync_t2_reqd): Remove.
3488 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3489 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3490 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3491 (arm_sync_compare_and_swap<SIDI>): Remove.
3492 (arm_sync_compare_and_swap<NARROW>): Remove.
3493 (arm_sync_lock_test_and_set<SIDI>): Remove.
3494 (arm_sync_lock_test_and_set<NARROW>): Remove.
3495 (arm_sync_new_<syncop><SIDI>): Remove.
3496 (arm_sync_new_<syncop><NARROW>): Remove.
3497 (arm_sync_new_nand<SIDI>): Remove.
3498 (arm_sync_new_nand<NARROW>): Remove.
3499 (arm_sync_old_<syncop><SIDI>): Remove.
3500 (arm_sync_old_<syncop><NARROW>): Remove.
3501 (arm_sync_old_nand<SIDI>): Remove.
3502 (arm_sync_old_nand<NARROW>): Remove.
3503 (*memory_barrier): Merge arm_output_memory_barrier.
3504 (atomic_compare_and_swap<QHSD>): New.
3505 (atomic_compare_and_swap<NARROW>_1): New.
3506 (atomic_compare_and_swap<SIDI>_1): New.
3507 (atomic_exchange<QHSD>): New.
3508 (cas_cmp_operand, cas_cmp_str): New.
3509 (atomic_op_operand, atomic_op_str): New.
3510 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3511 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3512 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3513 (arm_load_exclusive<NARROW>): New.
3514 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3515 (arm_store_exclusive<QHSD>): New.
3517 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3519 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3520 reload patterns if -mvsx-scalar-memory.
3522 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3523 generated, even -mno-vsx-scalar-double was used.
3524 (vsx_xscvdpsp_scalar): Likewise.
3525 (vsx_xscvspdp_scalar2): Likewise.
3527 2012-01-09 Tom de Vries <tom@codesourcery.com>
3528 Andrew Pinski <apinski@cavium.com>
3531 * reorg.c (fill_slots_from_thread): Don't speculate
3532 frame-related insns.
3534 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3536 * sched-int.h (bb_note): Move to...
3537 * basic-block.h: ...here.
3538 * haifa-sched.c (bb_note): Move to...
3539 * cfgrtl.c: ...here.
3540 * function.c (next_block_for_reg): New function.
3541 (move_insn_for_shrink_wrap): Likewise.
3542 (prepare_shrink_wrap): Rewrite to use the above.
3544 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3546 * gimple.c (is_gimple_non_addressable): Remove.
3547 * gimple.h: Remove is_gimple_non_addressable.
3548 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3549 is_gimple_non_addressable.
3550 * trans-mem.c (expand_assign_tm): Same.
3552 2012-01-09 Richard Guenther <rguenther@suse.de>
3554 PR tree-optimization/51775
3555 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3556 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3558 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3560 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3562 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3564 2012-01-09 Richard Guenther <rguenther@suse.de>
3566 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3568 2012-01-08 Jan Hubicka <jh@suse.cz>
3570 PR tree-optimize/51680
3571 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3572 on when known_vals needs to be computed; cleanup.
3574 2012-01-08 Jan Hubicka <jh@suse.cz>
3576 PR tree-optimize/51694
3577 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3579 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3581 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3582 for -std=c++98 and -std=c++11 too.
3584 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3586 * cfgloop.c (cancel_loop): Add free() of bbs array.
3588 2012-01-07 Jan Hubicka <jh@suse.cz>
3590 PR tree-optimization/51600
3591 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3592 that benefits small functions.
3594 2012-01-07 Jan Hubicka <jh@suse.cz>
3596 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3598 2012-01-07 Jan Hubicka <jh@suse.cz>
3600 PR tree-optimization/51680
3601 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3602 whose inlining reduce unit size.
3604 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3607 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3608 Add canonical node to containing_mem chain after the non-canonical
3609 one, even if there weren't any locs to propagate.
3610 (remove_useless_values): Keep only canonical values.
3611 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3612 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3613 canonicalize mem_chain elements that are not discarded.
3615 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3618 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3619 before emitting functions.
3621 PR gcov-profile/50127
3622 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3623 clear_aux_for_blocks.
3625 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3628 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3630 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3632 * c-decl.c (ext_block): Moved up.
3633 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3635 2012-01-06 Han Shen <shenhan@google.com>
3637 Translate built-in include paths for sysroot.
3638 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3639 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3641 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3642 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3644 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3645 control whether sysroot should be prepended to gxx include dir.
3647 * configure: Regenerate.
3649 2012-01-06 Torvald Riegel <triegel@redhat.com>
3651 PR rtl-optimization/51771
3652 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3653 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3655 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3657 PR tree-optimization/51315
3658 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3659 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3661 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3664 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3665 for shrp pattern. Correctly handle and fixup shift variable.
3666 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3668 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3671 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3672 note when !ACCUMULATE_OUTGOING_ARGS.
3674 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3676 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3678 (extract_range_from_unary_expr_1): Avoid useless computations.
3680 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3682 PR rtl-optimization/51767
3683 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3684 of jump_block and add an extra edge for degenerated asm gotos.
3687 * stmt.c (check_unique_operand_names): Don't ICE during error
3688 reporting if i is from labels chain.
3691 * profile.c (branch_prob): Split bbs that have exit edge
3692 and need a fake entry edge too.
3694 2012-01-05 Jan Hubicka <jh@suse.cz>
3697 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3700 2012-01-05 Richard Guenther <rguenther@suse.de>
3703 * tree-streamer-out.c (write_ts_optimization): New function.
3704 (streamer_write_tree_body): Call it.
3705 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3706 (streamer_read_tree_body): Call it.
3707 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3709 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3712 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3713 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3714 in_cleanup_point_expr before gimplify_stmt call and restore it
3716 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3717 in_cleanup_point_expr is false.
3719 2012-01-05 Richard Guenther <rguenther@suse.de>
3722 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3724 * toplev.c (process_options): Reject combining mudflap and LTO.
3725 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3727 2012-01-05 Richard Guenther <rguenther@suse.de>
3729 PR tree-optimization/51760
3730 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3732 (bit_value_unop): Handle UNDEFINED operands.
3733 (bit_value_binop): Likewise.
3735 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3737 * config/avr/avr.c (avr_replace_prefix): Remove.
3738 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3739 (avr_asm_function_rodata_section): Ditto.
3740 (avr_asm_select_section): Ditto.
3742 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3744 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3747 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3750 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3751 calls that have any non-fake successor edges.
3754 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3756 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3758 PR tree-optimization/51624
3759 * tree-sra.c (build_ref_for_model): When replicating a chain of
3760 COMPONENT_REFs, stop as soon as the offset would become negative.
3762 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3765 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3766 in .debug_loc on the floor.
3768 2012-01-04 Andrew Pinski <apinski@cavium.com>
3770 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3772 2012-01-04 Andrew Pinski <apinski@cavium.com>
3773 Adam Nemet <anemet@caviumnetworks.com>
3775 * config/mips/mips.md (size): Add SI and DI.
3776 (SIZE): New mode attribute.
3777 (U): New code attribute.
3778 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3779 (mips_lbux_<mode>): Delete.
3780 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3781 (mips_lhx): Use gen_mips_lhx_extsi.
3782 (mips_lhx_<mode>): Delete.
3784 (mips_l<size>x): New expand.
3785 (mips_lwx_<mode>): Delete.
3786 (mips_l<GPR:size>x_<P:mode>): New pattern.
3787 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3788 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3789 * config/mips/mips.c (mips_lx_address_p): New function.
3790 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3791 (dsp64): New availability predicate.
3792 (mips_builtins): Add an entry for __builtin_mips_ldx.
3793 * config/mips/mips.h (ISA_HAS_LBX): New define.
3794 (ISA_HAS_LBUX): Likewise.
3795 (ISA_HAS_LHX): Likewise.
3796 (ISA_HAS_LHUX): Likewise.
3797 (ISA_HAS_LWX): Likewise.
3798 (ISA_HAS_LWUX): Likewise.
3799 (ISA_HAS_LDX): Likewise.
3800 * doc/extend.texi (__builtin_mips_ldx): Document.
3802 2012-01-04 Tristan Gingold <gingold@adacore.com>
3804 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3805 when long pointers are used.
3806 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3807 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3808 (ia64-hp-*vms*): Remove.
3809 * config/vms/xm-vms64.h: Delete.
3811 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3814 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3816 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3818 * opts.c (finish_options): Remove duplicate sorry.
3820 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3823 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3826 2012-01-04 Richard Guenther <rguenther@suse.de>
3829 * tree.c (size_low_cst): New function.
3830 * tree.h (size_low_cst): Declare.
3831 * fold-const.c (fold_comparison): Use it to extract the low
3832 part of the POINTER_PLUS_EXPR offset.
3834 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3836 Fix clearing ZERO_REG
3837 * config/avr/avr.md (cc): Add alternative "ldi".
3838 (movqi_insn): Use it in cc attribute.
3839 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3840 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3841 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3843 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3845 * configure: Regenerate.
3847 2012-01-04 Richard Guenther <rguenther@suse.de>
3849 PR tree-optimization/49651
3850 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3851 (var_can_have_subvars): Use it.
3852 (get_constraint_for_1): Only consider subfields if there can be any.
3854 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3857 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3858 to its new canonical_cselib_val and the cselib_val was in
3859 first_containing_mem chain, but the canonical_cselib_val was not,
3860 add the latter into the chain.
3861 (cselib_invalidate_mem): Compare canonical_cselib_val of
3862 addr_list chain elt with v.
3865 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3866 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3868 (output_macinfo_op): Don't ggc_strdup fd->filename.
3869 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3870 then ggc_strdup it. Don't free inc->info or cur->info.
3871 (output_macinfo): Don't free ref->info or file->info.
3873 2012-01-03 Ira Rosen <irar@il.ibm.com>
3875 PR tree-optimization/51269
3876 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3877 first_niters a pointer.
3878 (slpeel_tree_peel_loop_to_edge): Likewise.
3879 (vect_do_peeling_for_loop_bound): Update call to
3880 slpeel_tree_peel_loop_to_edge.
3881 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3882 here. Remove it from the parameters list.
3883 (vect_do_peeling_for_alignment): Update calls and compute
3886 2012-01-03 Richard Guenther <rguenther@suse.de>
3888 PR tree-optimization/51070
3889 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3890 Properly handle calls.
3892 2012-01-03 Richard Guenther <rguenther@suse.de>
3894 PR tree-optimization/51692
3895 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3896 the LHS of allocation stmts.
3898 2012-01-03 Olivier Hainque <hainque@adacore.com>
3900 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3902 2012-01-03 Olivier Hainque <hainque@adacore.com>
3904 * collect2.c (main): In AIX specific computations for vector
3905 insertions, use CONST_CAST2 to cast from char ** to const char **.
3907 2012-01-03 Richard Guenther <rguenther@suse.de>
3910 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3911 the context of a limbo DIE when it does not already exist.
3913 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3915 PR tree-optimization/51719
3916 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3917 but direct call is, clear direct call's lhs and don't add fallthrough
3918 edge from dcall_bb to join_bb and PHIs.
3920 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3922 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3923 the instructions emitted by the pattern.
3924 ("*TDC_insn_<mode>"): Add comment.
3926 2012-01-03 Richard Guenther <rguenther@suse.de>
3929 * fold-const.c (fold_comparison): Properly canonicalize
3930 tree offset and HOST_WIDE_INT bit position.
3932 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3934 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3935 operands for extzv pattern.
3937 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3940 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3943 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3945 * doc/invoke.texi (-flto and related options): Copy-edit.
3947 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3949 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3951 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3953 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3956 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3958 * expr.h (move_by_pieces_ninsns): Declare.
3959 * expr.c (move_by_pieces_ninsns): Make external.
3960 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3961 (mips_store_by_pieces_p): Likewise.
3962 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3963 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3964 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3965 (mips_store_by_pieces_p): Likewise.
3967 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3969 * passes.c (register_one_dump_file): Free full_name.
3971 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3972 (calculate_elim_costs_all_insns): Free offsets_at and
3973 offsets_known_at at the end and clear the pointers.
3975 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3977 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3978 this option introduced in r180739.
3980 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3983 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3984 (tmake_file target=avr): Add avr/t-multilib.
3986 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3987 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3988 * config/avr/genmultilib.awk: New file.
3989 * config/avr/t-multilib: New auto-generated file.
3990 * config/avr/multilib.h: New auto-generated file.
3991 * config/avr/t-avr (AVR_MCUS): New variable.
3992 (genopt.sh): Use it.
3993 (s-mlib): Depend on t-multilib.
3994 (t-multilib, multilib.h): New dependencies.
3995 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3996 (MULTILIB_OPTIONS): Remove.
3997 (MULTILIB_MATCHES): Remove.
3998 (MULTILIB_DIRNAMES): Remove.
3999 (MULTILIB_EXCEPTIONS): Remove:
4000 * config/avr/genopt.sh: Don't use hard coded file name;
4001 pass AVR_MCUS from t-avr instead.
4003 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4005 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4007 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4009 Implement light-weight DImode support.
4010 * config/avr/avr-dimode.md: New file.
4011 * config/avr/avr.md: Include it.
4012 (adjust_len): Add plus64, compare64.
4013 (HIDI): Remove code iterator.
4014 (code_stdname): New code attribute.
4015 (rotx, rotsmode): Remove DI.
4016 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4018 * config/avr/avr-protos.h (avr_have_dimode): New.
4019 (avr_out_plus64, avr_out_compare64): New.
4020 * config/avr/avr.c (avr_out_compare): Handle DImode.
4021 (avr_have_dimode): New variable definition and initialization.
4022 (avr_out_compare64, avr_out_plus64): New functions.
4023 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4024 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4025 (avr_compare_pattern): Skip DImode comparisons.
4027 2012-01-02 Revital Eres <revital.eres@linaro.org>
4029 * ddg.c (def_has_ccmode_p): New function.
4030 (add_cross_iteration_register_deps,
4031 create_ddg_dep_from_intra_loop_link): Call it.
4033 2012-01-02 Richard Guenther <rguenther@suse.de>
4036 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4038 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4040 * gcc.c (process_command): Update copyright notice dates.
4041 * gcov.c (print_version): Likewise.
4042 * gcov-dump.c (print_version): Likewise.
4043 * mips-tfile.c (main): Likewise.
4044 * mips-tdump.c (main): Likewise.
4046 2012-01-01 Ira Rosen <irar@il.ibm.com>
4048 PR tree-optimization/51704
4049 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4050 a use is inside the basic block or loop before accessing its vect info.
4052 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4054 PR rtl-optimization/51069
4055 * cfgloopmanip.c (remove_path): Removing path making irreducible
4056 region unconditional makes BB part of the region.
4058 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4060 PR tree-optimization/51683
4061 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4062 calls with side-effects.
4063 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4065 Copyright (C) 2012 Free Software Foundation, Inc.
4067 Copying and distribution of this file, with or without modification,
4068 are permitted in any medium without royalty provided the copyright
4069 notice and this notice are preserved.
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