1 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
3 Backport from 2012-04-24 mainline r186768.
6 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
8 2012-04-24 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/53085
11 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
14 2012-04-24 Jakub Jelinek <jakub@redhat.com>
17 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
19 (output_addressed_constants): Likewise.
22 * varasm.c (get_section): Don't ICE for section conflicts with
23 built-in section kinds.
25 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
27 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
29 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
31 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
33 2012-04-23 Richard Guenther <rguenther@suse.de>
36 * c-typeck.c (build_binary_op): Fix typo.
38 2012-04-23 Jakub Jelinek <jakub@redhat.com>
40 PR tree-optimizations/52891
41 * tree-vect-patterns.c (adjust_bool_pattern): Use
42 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
43 but with non-standard precision.
45 2012-04-22 Ian Lance Taylor <iant@google.com>
47 * godump.c (go_output_typedef): Dump size of structs.
49 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
51 Backport from mainline:
53 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
54 hints for 'A' operand types.
56 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
58 Backport from 2012-04-19 mainline r186588.
61 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
64 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
66 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
68 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
71 * config/i386/sync.md (atomic_<code><mode>): Rename to
74 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
76 Backport from mainline
77 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
80 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
81 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
82 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
83 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
84 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
85 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
86 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
89 2012-04-16 Martin Jambor <mjambor@suse.cz>
91 Backported from mainline
93 2012-04-13 Martin Jambor <mjambor@suse.cz>
96 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
97 fold_ctor_reference returns a zero constant.
99 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
101 Backported from mainline
102 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
104 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
105 and __ILP32__ for x32.
107 2012-04-13 Tom de Vries <tom@codesourcery.com>
109 Backport from mainline r186418.
111 2012-04-13 Tom de Vries <tom@codesourcery.com>
113 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
114 parameters vuse and vuse_escaped.
115 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
116 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
119 2012-04-13 Richard Guenther <rguenther@suse.de>
121 PR tree-optimization/52969
122 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
123 the condition for the COND_EXPR and handle predicate negation
124 by swapping the COND_EXPR arms.
126 2012-04-13 Richard Guenther <rguenther@suse.de>
129 * convert.c (convert_to_pointer): Remove special-casing of
132 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
134 Backport from mainline
135 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
138 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
139 the list of options to enable the FCFID instruction.
140 (TARGET_EXTRA_BUILTINS): Adjust comment.
142 2012-04-12 Richard Guenther <rguenther@suse.de>
144 PR tree-optimization/52943
145 * tree-chrec.h (chrec_is_positive): Remove.
146 * tree-scalar-evolution.c (chrec_is_positive): Move ...
147 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
148 Return false for a constant zero instead of negative.
149 (analyze_siv_subscript_cst_affine): Handle zero difference
150 in the initial condition explicitely.
152 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
155 * varasm.c (process_pending_assemble_externals): Set
156 pending_assemble_externals_processed true.
157 (assemble_external): Call assemble_external_real if the pending
158 assemble externals have been processed.
160 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
163 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
164 the DECL generated for the special GOT helper.
166 2012-04-06 Walter Lee <walt@tilera.com>
168 Backport from mainline
169 2012-03-07 Walter Lee <walt@tilera.com>
171 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
172 REG_CFA_* notes for the stack pointer.
173 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
174 EH_RETURN_STACKADJ_RTX.
175 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
176 generate REG_CFA_* notes for the stack pointer.
177 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
178 by EH_RETURN_STACKADJ_RTX.
180 2012-04-06 Matt Turner <mattst88@gmail.com>
182 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
184 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
186 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
187 of the destination isn't also a FP_REGS register.
189 2012-04-03 Richard Guenther <rguenther@suse.de>
191 Backport from mainline
192 2012-03-02 Richard Guenther <rguenther@suse.de>
194 PR tree-optimization/52406
195 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
196 (struct indices): Add unconstrained_base member.
197 (struct dr_alias): Remove unused vops member.
198 (DR_UNCONSTRAINED_BASE): New define.
199 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
200 add indices to allow their disambiguation. Make DR_BASE_OBJECT
201 be an artificial access that covers the whole indexed object,
202 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
203 plain decl base-objects to their MEM_REF variant.
204 (dr_may_alias_p): When the base-object of either data reference
205 has unknown size use only points-to information.
206 (compute_affine_dependence): Make dumps easier to read and
208 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
209 DR_REF when looking for packed references.
210 (vect_supportable_dr_alignment): Likewise.
212 2012-04-03 Richard Guenther <rguenther@suse.de>
214 Backport from mainline
215 2012-03-15 Richard Guenther <rguenther@suse.de>
218 * tree-data-ref.c (subscript_dependence_tester_1): Check
219 all dimensions for non-conflicting access functions.
221 2012-04-03 Richard Guenther <rguenther@suse.de>
223 Backport from mainline
224 2012-03-06 Richard Guenther <rguenther@suse.de>
227 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
229 2012-03-23 Richard Guenther <rguenther@suse.de>
231 PR tree-optimization/52678
232 * tree-vectorizer.h (struct _stmt_vec_info): Add
233 loop_phi_evolution_part member.
234 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
235 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
236 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
237 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
238 Use the cached evolution part and the PHI nodes value from
239 the loop preheader edge instead of re-analyzing the evolution.
241 2012-03-26 Richard Guenther <rguenther@suse.de>
243 PR tree-optimization/52701
244 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
245 compute and set the evolution part of PHI nodes.
247 2012-03-30 Richard Guenther <rguenther@suse.de>
249 PR tree-optimization/52754
250 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
251 propagate arbitrary addresses into really plain dereferences.
253 2012-04-03 Jakub Jelinek <jakub@redhat.com>
255 PR tree-optimization/52835
256 * tree-data-ref.c (build_rdg): Return NULL if
257 compute_data_dependences_for_loop failed.
259 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
261 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
262 (stmt_can_make_abnormal_goto): Use it.
263 (is_ctrl_altering_stmt): Likewise.
265 2012-03-31 Martin Jambor <mjambor@suse.cz>
267 Backported from mainline
268 2012-03-30 Martin Jambor <mjambor@suse.cz>
270 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
271 is a builtin_stack_save in a dominating BB.
273 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
275 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
276 crossing 128bit lane boundary.
278 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
280 Backported from mainline
281 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
284 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
286 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
287 * config/i386/i386.c: Include reload.h.
288 (ix86_legitimize_reload_address): New function.
290 2012-03-28 Martin Jambor <mjambor@suse.cz>
292 Backported from mainline
293 2012-03-27 Martin Jambor <mjambor@suse.cz>
296 * tree-sra.c (sra_modify_assign): Do not call
297 load_assign_lhs_subreplacements when working with an unscalarizable
300 2012-03-28 Jakub Jelinek <jakub@redhat.com>
303 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
304 __builtin_va_start to __builtin_next_arg if the latter is
305 builtin_decl_explicit_p rather than when it is not.
308 * tree-vect-generic.c (vector_element): Perform multiplication
309 for pos in bitsizetype type instead of idx type.
311 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
313 Backport from 2012-03-28 mainline r185910.
316 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
317 (avr_builtin_decl): New static function.
318 (struct avr_builtin_description, avr_bdesc): Move up.
319 Add GTY marker. Add field fndecl. Remove redundant field id.
320 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
321 (avr_expand_builtin): Code cleanup because .id is removed.
323 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
326 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
329 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
331 Backport from 2012-03-28 mainline r185907.
334 * config.gcc (tm_file): Remove avr/multilib.h.
336 * doc/invoke.texi (AVR Options): Adjust
337 documentation of -mtiny-stack.
339 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
340 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
341 * config/avr/t-avr: Remove generation of multilib.h.
342 * config/avr/t-multilib: Regenerate.
343 * config/avr/multilib.h: Remove.
344 * config/avr/avr.opt (-msp8): New option.
345 (avr_sp8): New variable.
346 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
347 * config/avr/avr.h (AVR_HAVE_SPH): New define.
348 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
349 (avr_device_to_sp8): New prototype.
350 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
351 (DRIVER_SELF_SPECS): New define.
352 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
353 __AVR_SP8__, __AVR_HAVE_SPH__.
354 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
355 AVR_HAVE_8BIT_SP to decide if SP_H is present.
356 (avr_file_start): Ditto.
358 2012-03-28 Jakub Jelinek <jakub@redhat.com>
361 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
362 instead of 8 in adjust_address.
364 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
366 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
367 of a unit before computing the offset in units.
369 2012-03-27 Richard Guenther <rguenther@suse.de>
372 * fold-const.c (try_move_mult_to_index): Handle &x.array more
375 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
378 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
380 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
383 * varasm.c: Include pointer-set.h.
384 (pending_assemble_externals_set): New pointer set.
385 (process_pending_assemble_externals): Destroy the pointer set.
386 (assemble_external): See if decl is in pending_assemble_externals_set,
387 and add it to pending_assemble_externals if necessary.
388 (init_varasm_once): Allocate pending_assemble_externals_set.
390 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
392 Backported from mainline
393 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
396 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
397 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
398 (vector_ltgt<mode>): Likewise.
399 (vector_ordered<mode>): Likewise.
400 (vector_unordered<mode>): Likewise.
401 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
403 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
405 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
408 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
410 Backported from mainline
411 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
415 * config/sh/sh.c (sh_register_move_cost): Increase cost between
416 GENERAL_REGS and FP_REGS for SImode.
418 2012-03-22 Jakub Jelinek <jakub@redhat.com>
421 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
422 on any new_local_var_chain vars declared during recursing on
423 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
425 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
427 Backport from 2012-03-22 mainline r185692.
430 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
431 (unspecv): Add UNSPECV_MEMORY_BARRIER.
432 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
433 (delay_cycles_1, delay_cycles_2): Ditto.
434 (delay_cycles_3, delay_cycles_4): Ditto.
435 (nopv, *nopv): Ditto.
436 (sleep, *sleep): Ditto.
439 Backport from 2012-03-21 mainline r185605.
441 PR rtl-optimization/52543
443 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
444 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
445 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
446 (avr_load_libgcc_p): Restrict to __flash loads.
447 (avr_out_lpm): Only handle 1-byte loads from __flash.
448 (avr_load_lpm): New function.
449 (avr_find_unused_d_reg): Remove.
450 (avr_out_lpm_no_lpmx): Remove.
451 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
452 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
453 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
454 (load_<mode>, load_<mode>_clobber): New insns.
455 (mov<mode>): For multi-byte move from non-generic
456 16-bit address spaces: Expand to load_<mode> resp.
458 (load<mode>_libgcc): Remove expander.
459 (split-lpmx): Remove split.
461 Backport from 2012-03-13 mainline r185329.
464 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
465 offset (size) to a value the insns can deal with.
466 (expand_epilogue): Ditto.
468 Backport from 2012-03-12 mainline r185256.
471 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
472 type from reg_class_t to enum reg_class.
473 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
475 Backport from 2012-03-12 mainline r185253.
478 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
479 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
480 r184615 from 2012-02-28.
482 Backport from 2012-03-08 mainline r185105.
484 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
485 for constants in [-63,63].
487 Backport from 2012-03-08 mainline r185100.
490 * config/avr/avr.c (avr_mem_clobber): New static function.
491 (avr_expand_delay_cycles): Add memory clobber operand to
492 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
493 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
494 (enable_interrupt, disable_interrupt): New expander.
495 (nopv, sleep, wdr): New expanders.
496 (delay_cycles_1): Add memory clobber.
497 (delay_cycles_2): Add memory clobber.
498 (delay_cycles_3): Add memory clobber.
499 (delay_cycles_4): Add memory clobber.
500 (cli_sei): New insn from former "enable_interrupt",
501 "disable_interrupt" with memory clobber.
502 (*wdt): New insn from former "wdt" with memory clobber.
503 (*nopv): Similar, but for "nopv".
504 (*sleep): Similar, but for "sleep".
506 Backport from 2012-03-07 mainline r185043.
509 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
511 Backport from 2012-03-07 mainline r185032.
514 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
515 to: RAMPZ, RAMPY, RAMPX, RAMPD.
516 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
518 Backport from 2012-03-07 mainline r185031.
521 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
523 * config/avr/avr.md (xload_8): Adjust insn length.
525 Backport from 2012-03-07 mainline r185030.
528 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
529 if RAMPZ affects reading from RAM.
531 Backport from 2012-03-05 mainline r184919.
533 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
535 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
537 Backport from mainline r185259.
540 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
541 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
543 2012-03-22 Jakub Jelinek <jakub@redhat.com>
545 Backported from mainline
546 2012-03-13 Jakub Jelinek <jakub@redhat.com>
549 * c-parser.c (c_parser_postfix_expression)
550 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
552 * config/i386/smmintrin.h: Avoid /* within a comment.
553 * config/i386/nmmintrin.h: Likewise.
555 2012-03-22 Richard Guenther <rguenther@suse.de>
557 * BASE-VER: Set to 4.7.1.
558 * DEV-PHASE: Set to prerelease.
560 2012-03-22 Release Manager
562 * GCC 4.7.0 released.
564 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
566 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
568 2012-03-15 Jakub Jelinek <jakub@redhat.com>
569 Andrew Pinski <apinski@cavium.com>
572 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
573 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
574 calls instead of __builtin_ir{int,ound}*.
576 2012-03-14 Jakub Jelinek <jakub@redhat.com>
579 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
582 2012-03-13 Joseph Myers <joseph@codesourcery.com>
584 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
585 Refer to GCC 4.7 version of c99status.html.
587 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
589 Backport from mainline
590 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
592 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
593 redefine to be NULL if the current bit-size is different from the
596 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
597 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
598 set the default tuning. Add asserts to make sure the cpu and tune
599 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
600 test whether the index is set, instead of > 0.
601 (rs6000_file_start): Do not reset the default cpu if the current
602 bit-size is different from the configured bit-size.
604 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
606 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
608 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
609 Update binutils references.
610 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
611 Update binutils reference.
612 Update Sun as/GNU ld caveat.
613 Document binutils largefile requirement for LTO plugin.
614 Remove reference to alternate libpthread.
616 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
618 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
620 (Specific, mips-sgi-irix6): Likewise.
622 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
624 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
625 * configure: Regenerate.
627 2012-03-07 Richard Henderson <rth@redhat.com>
629 * config/m68k/m68k.h (ISA_HAS_TAS): New.
630 * config/m68k/sync.md (atomic_test_and_set): Use it.
631 (atomic_test_and_set_1): Likewise.
633 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
636 * Makefile.in: Let install-gcc-ar depend on installdirs,
637 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
638 Don't double canonicalize if cross-compiling.
640 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
642 * trans-mem.c: New typedef for tm_region_p.
643 Define vector types for tm_region_p.
644 (tm_region_init): Replace region_worklist to a vector called
647 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
650 * trans-mem.c (tm_region_init): Use last_basic_block.
652 2012-03-05 Richard Henderson <rth@redhat.com>
655 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
656 * omp-low.c (expand_omp_atomic): Assume anything aligned to
657 BIGGEST_ALIGNMENT is aligned.
659 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
661 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
663 2012-03-05 Richard Henderson <rth@redhat.com>
666 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
667 instead of calling negqi2 directly.
669 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
671 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
672 (INTMAX_TYPE): Use it.
673 (UINTMAX_TYPE): Likewise.
674 (SUBTARGET_OVERRIDE_OPTIONS): Define.
675 (irix6_c_common_override_options): Declare.
676 (C_COMMON_OVERRIDE_OPTIONS): Define.
677 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
678 * config/mips/irix6-c.c: New file.
679 * config/mips/t-irix6 (irix6-c.o): New target.
680 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
683 2012-03-02 Richard Henderson <rth@redhat.com>
685 * optabs.c (expand_atomic_test_and_set): Honor
686 atomic_test_and_set_trueval even when atomic_test_and_set
689 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
691 Backport from mainline
692 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
694 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
696 2012-03-02 Richard Guenther <rguenther@suse.de>
698 * DEV-PHASE: Set to prerelease.
700 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
702 * config.gcc (obsolete): Add all ARM targets using the FPA.
703 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
704 * doc/install.texi: Avoid references to obsolete ARM ports.
706 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
708 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
710 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
711 Joern Rennecke <joern.rennecke@embecosm.com>
713 * doc/extend.texi: Expand and update information on interrupt
714 attribute for Epiphany.
716 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
718 * config/sh/sh-protos.h: Update copyright notice dates.
719 * config/sh/sh.h: Likewise.
720 * config/sh/sh.md: Likewise.
721 * config/sh/constraints.md: Likewise.
722 * config/sh/predicates.md: Likewise.
724 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
726 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
727 * config/sh/sh.c (tertiary_reload_operand): Likewise.
729 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
731 * config/sh/constraints.md: Fix comment typo.
733 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
736 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
737 unsigned HOST_WIDE_INT.
738 (zvdep_imm64): Likewise.
739 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
740 (vdepi_and): Likewise.
741 Likewise for unamed 64-bit patterns.
742 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
744 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
747 PR rtl-optimization/52417
748 * cselib.c (cselib_any_perm_equivs): New variable.
749 (cselib_reset_table): Check that it's not set when not
750 preserving constants.
751 (cselib_add_permanent_equiv): Set it.
752 (cselib_have_permanent_equivalences): New.
753 (cselib_init, cselib_finish): Reset it.
754 * cselib.h (cselib_have_permanent_equivalences): Declare.
755 * alias.c (get_addr): Restore earlier behavior when there
756 aren't permanent equivalences.
758 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
760 * config/mn10300/mn10300-modes.def: Fix copyright notice.
761 * config/v850/v850-modes.def: Fix copyright notice.
763 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
765 * doc/extend.texi (AVR Built-in Functions): Document
766 __builtin_avr_flash_segment.
768 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
769 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
770 (*split.flash_segment): New insn-and-split.
771 * config/avr/avr.c (avr_init_builtins): Add local variables:
772 const_memx_void_node, const_memx_ptr_type_node,
773 char_ftype_const_memx_ptr.
775 2012-03-01 Jakub Jelinek <jakub@redhat.com>
777 PR tree-optimization/52445
778 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
779 add ssa_name_ver, offset and size fields and change store field
781 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
782 (add_or_mark_expr): Likewise. Only consider previous stores
783 with the same size and offset.
784 (nt_init_block): Only look at gimple_assign_single_p stmts,
785 doesn't look at rhs2.
787 2012-03-01 Richard Guenther <rguenther@suse.de>
790 * tree-cfg.c (verify_gimple_assign_unary): Allow any
791 conversions from integral types to pointer types.
793 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
795 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
796 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
797 unintentionally removed in r184616.
799 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
801 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
804 2012-02-29 Jakub Jelinek <jakub@redhat.com>
805 Uros Bizjak <ubizjak@gmail.com>
808 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
809 alternatives, add "e" constraint to the new last alternative
810 and ! to last 3 alternatives.
812 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
814 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
815 DW_AT_artificial attributes at the end of the processing.
816 (gen_array_type_die): Likewise.
817 (gen_enumeration_type_die): Likewise.
818 (gen_struct_or_union_type_die): Likewise.
819 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
822 2012-02-29 Jakub Jelinek <jakub@redhat.com>
825 * expr.c (expand_assignment): If doing misaligned store that doesn't
826 cover all mode bits, perform a RMW cycle.
828 PR tree-optimization/52429
829 * tree-parloops.c (separate_decls_in_region_debug): Return early
830 if var is LABEL_DECL.
832 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
834 PR tree-optimization/52424
835 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
836 calling dom_thread_across_edge.
838 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
840 * config/avr/avr.c: Move definition of TARGET macros to end of file.
842 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
844 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
845 * config/avr/avr.c (avr_output_bld): Remove unused function.
846 (avr_out_sbxx_branch): Use "%T" to print bit position.
848 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
850 * config/avr/avr.md: Untabify.
852 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
854 * config/avr/avr.md (eqne): New code iterator.
855 (*dec-and-branchsi): Use it in text peephole's condition.
856 (*dec-and-branchhi): Ditto.
857 (*dec-and-branchqi): Ditto.
859 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
862 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
863 the device does not have the skip-bug.
865 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
867 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
868 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
869 -mpretend-cmove): New.
871 2012-02-29 Jakub Jelinek <jakub@redhat.com>
874 * df.h (struct df_d): Adjust comment that hard_regs_live_count
875 doesn't count DEBUG_INSN refs.
876 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
879 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
883 2012-02-20 Richard Guenther <rguenther@suse.de>
884 PR tree-optimization/52298
885 * tree-vect-stmts.c (vectorizable_load): Properly use
886 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
889 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
892 * gimple.h (gimple_in_transaction): New.
893 (gimple_set_in_transaction): New.
894 (struct gimple_statement_base): Add in_transaction field.
895 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
897 (tree_ssa_lim_initialize): Compute transaction bits.
898 * tree.h (compute_transaction_bits): Protoize.
899 * trans-mem.c (tm_region_init): Use the heap to store BB
901 (compute_transaction_bits): New.
903 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
905 * gcc.c (display_help): Document --help=common and sort entries
908 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
910 * doc/install.texi: Document check-$LANG specific shortcuts
912 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
915 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
917 * config/arm/arm_neon.h: Regenerate.
918 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
919 (neon_vcgeu): New insn.
920 (neon_vcgtu): Likewise.
921 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
922 (ops): Unsigned comparison intrinsics call a different
925 2012-02-28 Richard Guenther <rguenther@suse.de>
928 * config/i386/i386.c (ix86_expand_vector_set): Fix element
929 ordering for the VEC_CONCAT for two element vectors for
930 V2SFmode, V2SImode and V2DImode.
932 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
935 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
936 detecting big-endian triplets.
938 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
940 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
941 mode if there is no type information available.
943 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
945 PR tree-optimization/53207
946 * doc/invoke.texi: Document as experimental and relying on graphite.
948 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
950 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
951 of initializer to changes from r184614.
953 2012-02-28 Richard Guenther <rguenther@suse.de>
955 PR tree-optimization/52395
956 * tree-sra.c (build_ref_for_offset): Also look at the base
957 TYPE_ALIGN when figuring out the alignment of the replacement.
959 2012-02-28 Richard Guenther <rguenther@suse.de>
961 PR tree-optimization/52402
962 * ipa-prop.c (ipa_modify_call_arguments): Properly use
963 mis-aligned types when creating the accesses at the call site.
965 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
967 * config/avr/builtins.def: New file.
968 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
969 * config/avr/avr.c (enum avr_builtin_id): Use it.
970 (avr_init_builtins): Use it. And use avr_bdesc.
971 (bdesc_1arg): Remove.
972 (bdesc_2arg): Remove.
973 (bdesc_3arg): Remove.
974 (struct avr_builtin_description): Add field n_args.
975 (avr_bdesc): New static variable using builtins.def.
976 (avr_expand_builtin): Use it.
977 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
978 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
979 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
981 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
984 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
985 match only one single hard register with respective hard reg rtx.
986 (movmemx_<mode>): Ditto.
987 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
988 insn anatomy of movmem[x]_<mode>.
989 (avr_out_movmem): Same for printing assembler and operand usage.
991 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
995 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
996 address spaces located outside of device flash.
998 * config/avr/avr.h (base_arch_s): Remove field n_segments.
999 (mcu_type_s): Add field n_flash.
1000 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1001 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1002 (AVR_MCU): Add N_FLASH argument.
1003 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1004 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1005 macro __FLASH<n> if that address space makes sense for the device.
1006 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1007 outside of target flash.
1008 (avr_asm_named_section): Ditto.
1009 (avr_asm_select_section): Ditto.
1010 (avr_addr_space_convert): Ditto.
1011 (avr_emit_movmemhi): Ditto.
1012 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1013 address space is outside of device flash.
1014 (avr_insert_attributes): Ditto.
1015 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1016 avr_current_arch->n_segments.
1018 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1021 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1023 (*movabs<mode>_2): Likewise.
1025 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1028 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1029 s_register_operand in the test instead of REG_P. Don't call
1030 gen_reg_rtx if it won't be used.
1032 PR tree-optimization/52376
1033 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1035 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1037 * ifcvt.c (noce_get_condition): Check condition variable is not
1038 small_register_classes_for_mode_p before accepting.
1040 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1042 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1044 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1047 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1048 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1050 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1052 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1054 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1056 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1058 * config/sh/predicates.md: Remove blank lines.
1059 * config/sh/sh.c: Fix typos in comments.
1060 * config/sh/constraints.md: Likewise.
1061 * config/sh/sh.md: Remove blank lines.
1062 Fix typos in comments. Use ;; as comment characters.
1064 2012-02-26 Walter Lee <walt@tilera.com>
1066 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1067 (replace_mov_pcrel_step2): Ditto.
1069 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1072 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1073 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1074 and locs that reference values newer than the non-canonical value
1075 at hand. Return the canonical value as a worst case.
1076 (memrefs_conflict_p): Walk canonical value's locs.
1079 * cselib.c (preserve_only_constants): Rename to...
1080 (preserve_constants_and_equivs): ... this. Split out...
1081 (invariant_or_equiv_p): ... this. Preserve plus expressions
1082 of other preserved expressions too.
1083 (cselib_reset_table): Adjust.
1084 * var-tracking.c (reverse_op): Use canonical value to build
1087 2012-02-23 Kai Tietz <ktietz@redhat.com>
1089 * config/i386/i386.c (ix86_delegitimize_address): Handle
1090 UNSPEC_PCREL plus displacement.
1092 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1095 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1096 to test for unusedness in st X addressing.
1098 2012-02-24 Richard Guenther <rguenther@suse.de>
1101 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1102 (is_gimple_reg_type): Move inline ...
1103 * gimple.h (is_gimple_reg_type): ... here.
1105 2012-02-24 Richard Guenther <rguenther@suse.de>
1108 * passes.c (execute_function_todo): When verifying SSA form
1109 verify gimple form first.
1110 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1112 2012-02-24 Richard Guenther <rguenther@suse.de>
1115 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1116 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1118 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1120 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1122 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1124 * tree-phinodes.c (make_phi_node): Mark static.
1125 * tree-flow.h (make_phi_node): Remove extern decl.
1126 * doc/gimple.texi (make_phi_node): Remove documentation.
1128 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1130 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1131 * tree-ssa-sccvn.c (print_scc): Ditto.
1133 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1135 * doc/passes.texi (Full redundancy elimination): Fix typo.
1137 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1139 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1141 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1144 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1146 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1149 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1151 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1153 * config/avr/avr.md (code_stdname): Add ior, xor.
1154 (xior): New code iterator.
1155 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1156 (*<code_stdname><mode>qi.byte1-3): Ditto.
1158 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1160 PR tree-optimization/52019
1161 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1164 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1166 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1167 HAVE_INITFINI_ARRAY to work around namespace pollution in
1168 certain versions of newlib system headers.
1169 * config.in: Regenerate.
1170 * configure: Regenerate.
1171 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1172 instead of HAVE_INITFINI_ARRAY.
1174 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1177 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1178 is not offsettable memory reference.
1180 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1183 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1184 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1186 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1188 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1189 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1191 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1193 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1194 library on Solaris 8 even without TLS support.
1195 * configure: Regenerate.
1197 2012-02-22 Richard Guenther <rguenther@suse.de>
1200 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1201 for GIMPLE_DEBUG stmts.
1203 2012-02-22 Martin Jambor <mjambor@suse.cz>
1206 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1207 according to the base object.
1209 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1211 PR rtl-optimization/50063
1212 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1213 and 2 (8-bit SP) in operand 2.
1214 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1215 setup to use movhi_sp_r instead of vanilla move to write SP.
1216 Adjust REG_CFA notes to superseed unspec.
1217 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1219 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1220 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1221 irq_state 1 (IRQ known to be on) here.
1223 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1225 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1227 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1228 assign_hard_reg): Likewise.
1230 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1232 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1234 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1237 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1238 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1240 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1242 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1243 prototype from here to...
1244 * config/avr/avr.h: ...here.
1246 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1249 * thumb2.md (thumb2_shiftsi3_short): Split register and
1250 immediate shifts. For register shifts tie operands 0 and 1.
1251 (peephole2 for above): Check that register-controlled shifts
1252 have suitably tied operands.
1254 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1257 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1258 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1259 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1260 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1261 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1262 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1263 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1264 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1265 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1266 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1267 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1268 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1269 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1270 bdver1_ssevector_avx256_unaligned_load,
1271 bdver1_ssevector_sse128_unaligned_load,
1272 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1273 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1274 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1275 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1276 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1277 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1278 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1279 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1280 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1281 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1282 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1283 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1284 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1285 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1286 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1287 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1288 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1289 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1290 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1291 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1292 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1293 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1294 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1295 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1296 bdver1_ssediv_double_load, bdver1_ssediv_double,
1297 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1298 Add "bdver2" attribute.
1300 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1302 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1303 default if possible and not specified otherwise.
1305 2012-02-21 Richard Guenther <rguenther@suse.de>
1308 * gimplify.c (create_tmp_from_val): Use the main variant type
1309 for the type of the temporary we create.
1311 2012-02-21 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/52324
1314 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1315 do not gimplify a MEM_REF address operand if it is already
1318 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1320 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1321 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1323 2012-02-21 Richard Guenther <rguenther@suse.de>
1325 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1326 nested_in_vect_loop.
1328 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1330 PR tree-optimization/52318
1331 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1332 vdef also to non-pure/const call stmts in the sequence.
1334 2012-02-20 David S. Miller <davem@davemloft.net>
1336 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1337 don't use the "rd %pc" instruction on v9 for PIC register loads.
1339 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1342 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1343 in a transaction safe function.
1345 2012-02-20 Kai Tietz <ktietz@redhat.com>
1348 * stor-layout.c (place_field): Handle desired_align for
1351 2012-02-20 Richard Guenther <rguenther@suse.de>
1353 PR tree-optimization/52298
1354 * tree-vect-stmts.c (vectorizable_store): Properly use
1355 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1357 (vectorizable_load): Likewise.
1358 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1359 Access DR_STEP after ensuring it is not NULL.
1361 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1363 PR tree-optimization/52286
1364 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1365 optimization use double_int_to_tree instead of build_int_cst_wide,
1366 rewrite to use double_int vars.
1368 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1371 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1373 Remove -e 0 from $gcc_cv_ld invocation.
1374 Only use __GLIBC_PREREQ if defined.
1375 Enable on Solaris since Solaris 8 patch.
1376 (gcc_SUN_LD_VERSION): New macro.
1377 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1378 gcc_SUN_LD_VERSION for version number format.
1379 * configure: Regenerate.
1380 * varasm.c (get_elf_initfini_array_priority_section): Set
1381 SECTION_NOTYPE for non-default priority.
1382 Use get_section instead of get_unnamed_section to emit
1383 .init_array/.fini_array with default priority.
1385 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1387 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1388 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1389 (mips_start_unique_function, mips_output_mips16_rdhwr)
1390 (mips_code_end): New functions.
1391 (TARGET_ASM_CODE_END): Define.
1393 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1395 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1396 to stubs with non-sibling calls.
1398 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1400 * doc/invoke.texi (-fira-* options): Copy-edit.
1401 (ira-* parameters): Copy-edit.
1403 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1405 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1406 GCC coding conventions.
1408 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1410 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1411 when used as adjectives.
1413 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1415 * doc/invoke.texi: Clean up "that"/"which" confusion.
1417 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1419 * system.h: Poison SMALL_REGISTER_CLASSES
1420 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1421 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1423 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1425 PR tree-optimization/52285
1426 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1427 when deciding if a call is a tail call or tail recursion.
1429 2012-02-16 Kai Tietz <ktietz@redhat.com>
1431 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1432 interger-constant displacement for UNSPEC_PCREL.
1434 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1436 PR rtl-optimization/52208
1437 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1438 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1440 PR tree-optimization/52255
1441 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1442 loop->header has virtual PHI, but exit_e->dest doesn't, add
1443 virtual PHI to exit_e->dest and adjust all uses after the loop.
1446 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1447 children with clone_tree_hash, not after it.
1449 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1451 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1452 extended identifiers.
1454 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1457 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1458 a same_body_alias, also test whether e->callee isn't a former
1459 or current clone of the decl this is a same body alias of.
1461 PR translation/52264
1462 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1464 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1466 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1468 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1471 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1472 force_reg instead of copy_to_reg for better optimization. Force
1473 non-register or memory operands into a register.
1475 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1477 * extend.texi: Reserve upper bits of memory model for future use.
1479 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1480 Anatoly Sokolov <aesok@post.ru>
1481 Eric Weddington <eric.weddington@atmel.com>
1484 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1485 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1486 Rewrite initializers for .macro.
1487 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1488 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1489 atxmega32d4, atxmega32x1.
1490 avrxmega4: atxmega64a3, atxmega64d3.
1491 avrxmega5: atxmega64a1, atxmega64a1u.
1492 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1493 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1494 avrxmega7: atxmega128a1, atxmega128a1u.
1495 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1496 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1497 (struct base_arch_s): Rename reserved to xmega_p.
1498 Rename reserved2 to have_rampd.
1499 (AVR_XMEGA): New define.
1500 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1501 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1502 * config/avr/predicates.md (io_address_operand): Take into
1504 (low_io_address_operand): Ditto.
1505 (high_io_address_operand): Ditto.
1506 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1507 (enabled, movhi_sp_r): Use them.
1508 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1509 cpp_define_formatted to built-in define __AVR_ARCH__.
1510 (__AVR_XMEGA__): New built-in define.
1511 (__AVR_HAVE_RAMPD__): New built-in define.
1512 (__AVR_HAVE_RAMPX__): New built-in define.
1513 (__AVR_HAVE_RAMPY__): New built-in define.
1514 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1516 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1517 (avr_option_override): Initialize them.
1518 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1519 (avr_init_expanders): Initialize them. No more block several calls.
1520 (emit_push_sfr): New static function.
1521 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1523 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1524 (avr_print_operand): Print addreeses as symbols for
1525 RAMPX, RAMPY, RAMPD, CCP.
1526 (output_movhi): Handle AVR_XMEGA when writing to SP.
1527 (avr_out_movhi_mr_r_xmega): New static function.
1528 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1529 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1530 __RAMPD__, __CCP__ as needed.
1532 * config/avr/multilib.h: Regenerate.
1533 * config/avr/t-multilib: Regenerate.
1534 * config/avr/avr-tables.opt: Regenerate.
1536 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1538 PR tree-optimization/50561
1539 * graphite-flattening.c (lst_project_loop): Do not
1540 remove old scattering dimensions after flattening.
1541 (lst_do_flatten): Likewise.
1543 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1545 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1546 __builtin_avr_map8, __builtin_avr_map16.
1547 Document __builtin_avr_insert_bits.
1549 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1550 (insert_bits): New insn.
1551 (adjust_len.map_bits): Rename to insert_bits.
1552 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1553 * avr-protos.h (avr_out_map_bits): Remove.
1554 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1555 * config/avr/constraints.md (Cxf,C0f): New.
1556 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1557 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1558 New built-in define __BUILTIN_AVR_INSERT_BITS.
1559 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1560 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1561 (avr_move_bits): Rewrite.
1562 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1564 (avr_map_op_t): New typedef.
1565 (avr_map_op): New static variable.
1566 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1567 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1568 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1569 (bdesc_3arg, avr_expand_triop_builtin): New.
1570 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1571 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1572 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1573 (avr_map_equal_p, avr_map_sig_p): Remove.
1574 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1575 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1576 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1577 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1578 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1579 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1581 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1583 * config/c6x/c6x.md (reserve_cycles): New attribute.
1584 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1585 don't reserve functional units after the branch occurs.
1587 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1590 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1591 functions into non-tm_pure functions.
1593 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1596 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1597 (iterative_hash_canonical_type): Likewise.
1598 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1601 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1603 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1604 sched-group insn, it either remains alone or the entire list is pruned.
1606 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1608 * doc/install.texi (Prerequisites): Fix grammar.
1609 (Configuration): Likewise.
1611 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1613 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1614 MPC as part of GCC before describing configuring with --with-gmp etc.
1615 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1616 sources are present.
1618 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1621 * dwarf2out.c (clone_tree_hash): New function.
1622 (copy_decls_walk): Use it instead of clone_tree.
1624 2012-02-14 Richard Guenther <rguenther@suse.de>
1626 PR tree-optimization/52244
1627 PR tree-optimization/51528
1628 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1629 replacements for integral types.
1631 2012-02-14 Walter Lee <walt@tilera.com>
1633 * config.gcc: Handle tilegx and tilepro.
1634 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1636 Add HAVE_AS_TLS check for tilegx and tilepro.
1637 * configure: Regenerate.
1638 * doc/contrib.texi: Add Mat Hostetter and self.
1639 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1640 Document instruction intrinsics and network accessing intrinsics.
1641 (TILEPro Built-in Functions): New node. Document instruction
1642 intrinsics and network accessing intrinsics.
1643 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1644 (Specific, tilepro-*-linux*): Likewise.
1645 * doc/invoke.texi (TILE-Gx Options): New section.
1646 (TILEPro Options): New section.
1647 * doc/md.texi (TILE-Gx): New section.
1648 (TILEPro): New section.
1649 * common/config/tilegx/tilegx-common.c: New file.
1650 * common/config/tilepro/tilepro-common.c: New file.
1651 * config/tilegx/constraints.md: New file.
1652 * config/tilegx/linux.h: New file.
1653 * config/tilegx/mul-tables.c: New file.
1654 * config/tilegx/predicates.md: New file.
1655 * config/tilegx/sync.md: New file.
1656 * config/tilegx/t-tilegx: New file.
1657 * config/tilegx/tilegx-builtins.h: New file.
1658 * config/tilegx/tilegx-c.c: New file.
1659 * config/tilegx/tilegx-generic.md: New file.
1660 * config/tilegx/tilegx-modes.def: New file.
1661 * config/tilegx/tilegx-multiply.h: New file.
1662 * config/tilegx/tilegx-protos.h: New file.
1663 * config/tilegx/tilegx.c: New file.
1664 * config/tilegx/tilegx.h: New file.
1665 * config/tilegx/tilegx.md: New file.
1666 * config/tilegx/tilegx.opt: New file.
1667 * config/tilepro/constraints.md: New file.
1668 * config/tilepro/gen-mul-tables.cc: New file.
1669 * config/tilepro/linux.h: New file.
1670 * config/tilepro/mul-tables.c: New file.
1671 * config/tilepro/predicates.md: New file.
1672 * config/tilepro/t-tilepro: New file.
1673 * config/tilepro/tilepro-builtins.h: New file.
1674 * config/tilepro/tilepro-c.c: New file.
1675 * config/tilepro/tilepro-generic.md: New file.
1676 * config/tilepro/tilepro-modes.def: New file.
1677 * config/tilepro/tilepro-multiply.h: New file.
1678 * config/tilepro/tilepro-protos.h: New file.
1679 * config/tilepro/tilepro.c: New file.
1680 * config/tilepro/tilepro.h: New file.
1681 * config/tilepro/tilepro.md: New file.
1682 * config/tilepro/tilepro.opt: New file.
1684 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1686 PR tree-optimization/52210
1687 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1688 vect_model_simple_cost with two entry vect_def_type array instead
1689 of an address of dt.
1691 2012-02-14 Richard Guenther <rguenther@suse.de>
1694 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1695 Do not stream DECL_QUALIFIER.
1696 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1697 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1698 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1700 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1703 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1706 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1709 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1710 * cselib.c (cselib_subst_to_values_from_insn): New function.
1711 * sched-deps.c (add_insn_mem_dependence,
1712 sched_analyze_1, sched_analyze_2): Use it.
1714 2012-02-13 Jan Hubicka <jh@suse.cz>
1717 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1719 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1721 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1722 (GTM_SELF_SPECS): Define if not already defined.
1723 (driver_self_specs): Add GTM_SELF_SPECS.
1724 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1725 (GTM_SELF_SPECS): Define.
1726 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1727 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1729 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1731 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1734 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1737 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1738 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1740 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1743 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1745 2012-02-13 Richard Guenther <rguenther@suse.de>
1747 PR translation/52211
1748 * passes.c (enable_disable_pass): Fix typo.
1750 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1753 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1754 XOR for reduce_bit_field if type is unsigned.
1756 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1758 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1759 disallow changes from SFmode to mode with different size in FP regs.
1761 2012-02-12 Robert Millan <rmh@gnu.org>
1762 Gerald Pfeifer <gerald@pfeifer.com>
1764 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1767 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1769 PR rtl-optimization/52175
1770 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1771 to frame-related instructions.
1773 2012-02-10 Jason Merrill <jason@redhat.com>
1776 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1777 (demangle_new_symbols): Fill it.
1778 (scan_linker_output): Walk it.
1779 (start_tweaking): Split out from scan_linker_output.
1780 (maybe_tweak): Update sym->chosen.
1781 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1783 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1786 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1788 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1790 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1791 having the same mode as previous compare.
1793 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1795 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1796 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1797 (nonlocal_goto_internal): Likewise.
1798 (nonlocal_goto): Emit a use and an indirect jump directly.
1800 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1803 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1804 __atomic_{is,always}_lock_free.
1806 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1809 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1810 negative constant address for x32.
1812 2012-02-10 Richard Henderson <rth@redhat.com>
1814 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1815 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1816 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1818 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1819 Ira Rosen <irar@il.ibm.com>
1821 PR tree-optimization/50031
1822 * targhooks.c (default_builtin_vectorization_cost): Handle
1824 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1825 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1826 all types of reduction and pattern statements.
1827 (vect_estimate_min_profitable_iters): Likewise.
1828 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1829 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1830 for explicit realigns.
1831 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1832 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1834 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1835 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1836 vec_perm for VSX and handle vec_promote_demote.
1838 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1841 * builtins.c (fold_builtin_atomic_always_lock_free,
1842 expand_builtin_atomic_always_lock_free,
1843 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1844 Return and/or test boolean_true_node/boolean_false_node instead of
1845 integer_one_node/integer_zero_node.
1847 2012-02-10 Jan Hubicka <jh@suse.cz>
1850 * predict.c (predict_paths_for_bb): Prevent looping.
1851 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1853 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1855 * config/arm/arm.c (output_move_double): In one case properly
1856 count number of instructions that will be emitted.
1858 2012-02-10 Richard Guenther <rguenther@suse.de>
1860 PR translation/52193
1861 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1863 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1866 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1868 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1871 * var-tracking.c (emit_note_insn_var_location): If
1872 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1873 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1874 non-NOTE_DURING_CALL_P insn.
1876 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1879 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1881 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1884 * gcc.c (switch_matches) Support switches with separated form,
1887 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1889 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1891 (RAMPZ_ADDR): Ditto.
1892 * config/avr/avr.c (avr_addr_t): New typedef.
1893 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1894 (avr_init_expanders): Initialize it.
1895 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1897 (expand_epilogue): Ditto.
1898 (avr_print_operand): Ditto.
1899 (avr_file_start): Ditto.
1900 (avr_emit_movmemhi): Ditto.
1902 2012-02-08 Richard Guenther <rguenther@suse.de>
1904 PR tree-optimization/46886
1905 * tree-flow.h (do_while_loop_p): Declare.
1906 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1907 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1909 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1911 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1912 always succeed for integers larger than a native word.
1914 2012-02-08 Richard Guenther <rguenther@suse.de>
1916 PR rtl-optimization/52170
1917 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1918 properly handle integer vector modes.
1920 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1922 PR gcov-profile/52150
1923 * coverage.c: Include target.h.
1924 (build_var): Call targetm.strip_name_encoding on the assembler name.
1925 Change one _ into . or $ if the target allows it.
1926 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1928 PR rtl-optimization/52139
1929 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1930 is a BARRIER after emit_insn_after_noloc, move BB_END
1931 to the last non-BARRIER insn before it.
1933 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1936 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1937 (mips_gimplify_va_arg_expr): Call it instead of
1938 std_gimplify_va_arg_expr.
1940 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1942 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1943 message for -mno-pointers-to-nested-function.
1945 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1948 * expr.c (get_inner_reference): If there is an offset, add a negative
1949 bit position to it (if any).
1951 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1953 PR rtl-optimization/52060
1954 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1955 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1956 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1957 and/or i0src_copy2 when needed.
1959 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1961 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1962 or LTOPLUGINSONAME if have_c.
1964 * config/freebsd-spec.h: Add comment about what macros can be defined
1966 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1967 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1970 2012-02-07 Richard Guenther <rguenther@suse.de>
1972 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1973 newline in -alias dumps.
1975 2012-02-07 Kai Tietz <ktietz@redhat.com>
1976 Dave Korn <dave.korn.cygwin@gmail.com>
1979 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1980 Take care that typinfo gets dllexport-attribute.
1982 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1985 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1986 if modifier < EXPAND_SUM call force_operand on the result.
1988 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1990 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1991 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1993 (epiphany_function_type): Replace types for specific interrupts with
1994 EPIPHANY_FUNCTION_INTERRUPT.
1995 (EPIPHANY_INTERRUPT_P): Update.
1996 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1997 New static function.
1998 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1999 <disinterrupt>: Affects type identity.
2000 (epiphany_handle_interrupt_attribute): Handle variable number of
2002 (epiphany_compute_function_type): Update for new
2003 epiphany_function_type definition.
2004 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2005 handlers with a longcall forwarder.
2006 (epiphany_start_function): Handle multiple interrupt arguments and/or
2007 forwarder_section attribute.
2009 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2012 2012-02-07 Alan Modra <amodra@gmail.com>
2015 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2018 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2020 PR tree-optimization/50969
2021 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2022 use vec_perm rather than vector_stmt.
2023 (vect_model_load_cost): Likewise.
2024 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2025 vec_perm to be the same as other vector statements.
2026 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2027 cost of vec_perm for TARGET_VSX.
2029 2012-02-06 Richard Guenther <rguenther@suse.de>
2031 PR tree-optimization/52115
2032 * tree-sra.c (access_has_replacements_p): New function.
2033 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2035 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2038 * trans-mem.c (expand_call_tm): Add an assertion.
2039 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2042 2012-02-06 Richard Guenther <rguenther@suse.de>
2044 PR tree-optimization/50955
2045 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2046 raise cost of expressions that replace an address with an
2047 expression based on a different pointer.
2049 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2052 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2053 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2055 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2058 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2059 -Weffc++ and specify guidelines come from second edition.
2061 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2063 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2064 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2065 (call_direct_split, call_value_split, call_value_internal_direct)
2066 (call_value_direct_split, call_value_multiple_split): Use jal and
2067 jal_macro attributes.
2069 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2071 * reload1.c (reload_regs_reach_end_p): Replace with...
2072 (reload_reg_rtx_reaches_end_p): ...this function.
2073 (new_spill_reg_store): Update commentary.
2074 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2075 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2076 before setting new_spill_reg_store.
2077 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2078 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2079 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2080 for non-spill reload registers.
2082 2012-02-05 Ira Rosen <irar@il.ibm.com>
2084 PR tree-optimization/52091
2085 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2086 (vect_is_simple_use_1): Likewise.
2087 * tree-vect-loop.c (vectorizable_reduction): Update calls
2088 to vect_is_simple_use_1 and vect_is_simple_use.
2089 (vectorizable_live_operation): Likewise.
2090 * tree-vect-patterns.c (widened_name_p,
2091 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2092 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2093 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2094 vectorizable_shift,vectorizable_operation, vectorizable_store,
2095 vectorizable_load): Likewise.
2096 (vect_is_simple_cond): Add an argument, pass it to
2097 vect_is_simple_use_1.
2098 (vectorizable_condition): Update calls to vect_is_simple_cond,
2100 (vect_is_simple_use): Add an argument, the statement in which
2101 OPERAND is used. Check that if OPERAND's def stmt is a double
2102 reduction phi node, the use is a phi node too.
2103 (vect_is_simple_use_1): Add an argument, pass it to
2105 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2106 to vect_is_simple_use.
2108 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2110 PR rtl-optimization/52095
2111 * modulo-sched.c (dump_insn_locator): New function.
2112 (loop_canon_p, sms_schedule): Use it.
2114 PR rtl-optimization/52113
2115 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2116 even for decomposable shift/zext insns.
2118 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2119 Zdenek Dvorak <ook@ucw.cz>
2121 PR rtl-optimization/52092
2122 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2123 on get_iv_value result.
2125 2012-02-02 Andrew Pinski <apinski@cavium.com>
2129 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2131 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2134 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2136 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2138 PR rtl-optimization/49800
2139 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2140 (sched_finish): Call regstat_free_n_sets_and_refs.
2142 2012-02-02 Jia Liu <proljc@gmail.com>
2144 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2147 2012-02-02 Jan Hubicka <jh@suse.cz>
2148 Tom de Vries <tom@codesourcery.com>
2151 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2152 * varpool.c (varpool_analyze_pending_decls): Likewise.
2154 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2155 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2157 * config.gcc: Add cr16-* support.
2159 * doc/extend.texi: Document cr16 extensions.
2160 * doc/install.texi: Document cr16 install.
2161 * doc/invoke.texi: Document cr16 options.
2162 * doc/md.texi: Document cr16 constraints.
2164 * common/config/cr16/cr16-common.c: New file.
2165 * config/cr16/cr16.c: New file.
2166 * config/cr16/cr16.h: New file.
2167 * config/cr16/cr16.md: New file.
2168 * config/cr16/cr16.opt: New file.
2169 * config/cr16/cr16-protos.h: New file.
2170 * config/cr16/predicates.md: New file.
2171 * config/cr16/constraints.md: New file.
2172 * config/cr16/t-cr16: New file.
2174 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2177 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2178 that operands[2] is either immediate, or q_regs_operand.
2180 PR tree-optimization/52073
2181 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2182 a pattern stmt for pattern uses, ignore uses outside of the loop.
2184 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2186 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2187 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2188 (OUT_AS1, OUT_AS2): Remove.
2190 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2192 PR rtl-optimization/51374
2193 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2194 to cross other volatile_refs_p insns.
2196 2012-02-01 Richard Guenther <rguenther@suse.de>
2198 * doc/invoke.texi (fno-inline): Clarify documentation.
2199 (finline-small-functions): Likewise.
2200 (finline-functions): Likewise.
2201 * common.opt (finline): Adjust comment and documentation.
2202 (finline-small-functions): Clarify documentation.
2203 (finline-functions): Likewise.
2204 (finline-functions-called-once): Likewise.
2206 2012-02-01 Tristan Gingold <gingold@adacore.com>
2208 * c-typeck.c (composite_type): Keep mode for pointers.
2210 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2212 * function.h (regno_reg_rtx): Adjust comment.
2213 * reginfo.c (init_reg_modes_target): Only use the previous mode
2214 if it fits within one register. Remove MIPS comment.
2216 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2219 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2221 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2223 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2224 to srak instruction.
2226 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2228 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2230 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2235 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2237 2012-01-31 Richard Guenther <rguenther@suse.de>
2239 PR tree-optimization/51528
2240 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2243 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2248 * ree.c (add_removable_extension): Change def_map argument
2249 to unsigned *, store in def_map 1 + offset into *insn_list vector
2250 instead of pointers into the vector.
2251 (find_removable_extensions): Adjust caller.
2253 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2255 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2256 Transform all "* quoted-c-code" to { c-code }.
2257 Remove redundant test for "optimize" in combine patterns.
2258 Move (include "avr-dimode.md") to end of file.
2260 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2263 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2264 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2266 2012-01-30 Richard Guenther <rguenther@suse.de>
2268 PR tree-optimization/52028
2269 * tree-loop-distribution.c (ldist_gen): Properly update
2272 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2275 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2276 set_cur_line_info_table if not emitting debug info.
2278 PR tree-optimization/52046
2279 * tree-vect-patterns.c (check_bool_pattern): Give up if
2280 a comparison could throw.
2283 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2285 2012-01-30 Richard Guenther <rguenther@suse.de>
2287 PR tree-optimization/52045
2288 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2289 SSA form if cfgcleanup did anything.
2291 2012-01-30 Richard Guenther <rguenther@suse.de>
2293 PR tree-optimization/52045
2294 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2295 before computing final todo.
2297 2012-01-30 Richard Guenther <rguenther@suse.de>
2299 PR tree-optimization/51528
2300 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2303 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2305 * df-problems.c (df_kill_notes): Check that the use refers
2306 to the note under examination.
2308 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2311 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2312 parameter and use short-lived pseudos.
2313 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2314 (sparc_expand_vector_init): Const-ify local variables and adjust
2315 calls to above functions.
2317 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2319 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2321 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2323 * doc/invoke.texi: Make usage of "compile time" and
2324 "run time"/"runtime" consistent throughout the file.
2326 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2328 * config/alpha/alpha.c (alpha_option_override): Default to
2329 full IEEE compliance mode for Go language.
2331 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2333 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2334 (LINK_SSP_SPEC): Define.
2336 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2339 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2342 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2344 * doc/invoke.texi: Correct hyphenation of "floating point",
2345 "double precision", and related terminology throughout the file.
2347 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2350 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2351 arm_general_register_operand predicate for operand 2 instead of
2354 2012-01-27 Ian Lance Taylor <iant@google.com>
2357 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2358 * builtins.c (expand_builtin_init_trampoline): Add onstack
2359 parameter. Change caller.
2360 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2361 * tree.c (build_common_builtin_nodes): Declare
2362 __builtin_init_heap_trampoline.
2364 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2366 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2367 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2368 * config/avr/avr.c: Ditto.
2369 (avr_regnames): Remove because unused.
2370 * config/avr/avr.md (*cpse.ne): New peephole.
2371 (*cpse.eq): New peephole from former cpse peepholes.
2373 2012-01-27 Michael Eager <eager@eagercon.com>
2375 * config/microblaze.c (microblaze_emit_compare): Correct
2376 test after pcmp instruction.
2378 2012-01-27 Richard Guenther <rguenther@suse.de>
2380 PR tree-optimization/52020
2381 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2383 2012-01-27 Richard Guenther <rguenther@suse.de>
2385 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2386 function non-const/pure.
2388 2012-01-27 Richard Guenther <rguenther@suse.de>
2390 PR tree-optimization/50444
2391 * tree-sra.c (build_ref_for_offset): Properly adjust the
2392 MEM_REF type for unaligned accesses.
2394 2012-01-27 Richard Guenther <rguenther@suse.de>
2396 PR tree-optimization/50444
2397 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2398 (expand_assignment): Use it. Properly handle misaligned
2399 bases when expanding stores to component references.
2400 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2403 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2406 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2407 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2408 * tree-data-ref.c (find_data_references_in_loop): Make static.
2409 (compute_all_dependences): Change return type to bool. Bail out
2410 for too many datarefs in a loop. Move the hunk resetting the data
2411 dependences vector from ...
2412 (compute_data_dependences_for_loop): ... here. Account for
2413 compute_all_dependences returning false.
2414 (compute_data_dependences_for_bb): Likewise.
2415 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2416 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2418 2012-01-27 Richard Guenther <rguenther@suse.de>
2421 * expr.c (store_field): Use the alias-set of the scratch memory
2424 2012-01-27 Tom de Vries <tom@codesourcery.com>
2426 PR tree-optimization/51990
2427 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2429 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2431 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2434 * var-tracking.c (reverse_op): Don't add any reverse operation
2435 if V already has any constant locations.
2437 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2439 * doc/invoke.texi: Correct usage of "command line" (noun)
2440 vs "command-line" (adjective) throughout.
2442 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2444 * doc/invoke.texi (Language Independent Options): Move
2445 -Wcoverage-mismatch blurb from here....
2446 (Warning Options): ...to here.
2448 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2450 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2451 Set rs6000_always_hint to false for 476.
2453 2012-01-27 Matthias Klose <doko@ubuntu.com>
2455 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2457 * incpath.c (add_standard_paths): Likewise.
2459 2012-01-27 Richard Henderson <rth@redhat.com>
2461 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2462 * config/m68k/sync.md (atomic_test_and_set): Rename from
2463 sync_test_and_setqi and adjust the operands.
2464 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2465 and unconditionally enable.
2467 2012-01-27 Richard Henderson <rth@redhat.com>
2469 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2470 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2471 (ldstub): Rename from ldstubqi.
2472 (ldstub<I24MODE>): Remove.
2474 2012-01-27 Richard Henderson <rth@redhat.com>
2476 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2477 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2478 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2479 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2480 * doc/tm.texi: Rebuild.
2482 2012-01-27 Richard Henderson <rth@redhat.com>
2484 * optabs.c (gen_atomic_test_and_set): Remove default.
2485 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2487 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2489 PR rtl-optimization/51978
2490 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2491 (combine_reaching_defs): Likewise.
2492 (struct re_info): Remove.
2493 (add_removable_extension): Remove x and data arguments,
2494 add insn, insn_list and def_map. Use the arguments directly
2495 instead of using struct re_info.
2496 (find_removable_extensions): Don't call add_removable_extension
2497 through note_stores, instead just call it with single_set
2499 (find_and_remove_re): Pass curr_cand->expr instead of
2500 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2502 2012-01-26 Michael Matz <matz@suse.de>
2504 PR tree-optimization/46590
2505 * cfgexpand.c: Revert last change (r183305).
2506 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2508 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2509 checking for emptiness.
2511 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2514 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2515 non-addressable non-BLKmode base correctly.
2517 2012-01-26 Michael Matz <matz@suse.de>
2519 PR tree-optimization/48794
2520 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2521 regions referenced from RESX/EH_DISPATCH.
2523 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2525 * config/s390/s390.h: Make BRANCH_COST an option.
2526 * config/s390/s390.opt: New option -mbranch-cost.
2528 2012-01-26 Richard Henderson <rth@redhat.com>
2530 Revert 2012-01-24 change:
2531 * trans-mem.c (requires_barrier): Do not instrument thread local
2532 variables and emit save/restore for them.
2534 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2537 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2540 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2542 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2545 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2548 Rename __pgm to __flash.
2549 Rename __pgm1 to __flash1.
2550 Rename __pgm2 to __flash2.
2551 Rename __pgm3 to __flash3.
2552 Rename __pgm4 to __flash4.
2553 Rename __pgm5 to __flash5.
2554 Rename __pgmx to __memx.
2555 * doc/extend.texi (AVR Named Address Spaces)
2556 Rename address space names as indicated above.
2557 * config/avr/avr.c (avr_addrspace): Ditto.
2559 * config/avr/avr-protos.h
2560 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2561 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2562 * config/avr/predicates.md: Ditto.
2563 * config/avr/avr.c Ditto, and
2564 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2565 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2567 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2568 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2569 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2570 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2571 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2572 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2573 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2574 * config/avr/avr.c: Ditto.
2575 * config/avr/avr.md: Ditto.
2577 2012-01-25 Jason Merrill <jason@redhat.com>
2580 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2582 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2584 PR tree-optimization/51987
2585 * tree-data-ref.c (get_references_in_stmt): Handle references in
2586 non-volatile GIMPLE_ASM.
2588 2012-01-25 Richard Guenther <rguenther@suse.de>
2590 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2591 bases are dereferenced.
2593 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2595 PR rtl-optimization/48374
2596 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2598 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2600 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2601 compute_data_dependences_for_loop returns false.
2602 * tree-parloops.c (loop_parallel_p): Likewise.
2604 2012-01-25 Richard Guenther <rguenther@suse.de>
2606 * tree.h (get_pointer_alignment_1): Declare.
2607 * builtins.c (get_pointer_alignment_1): New function.
2608 (get_pointer_alignment): Use it.
2610 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2612 PR rtl-optimization/48308
2613 * combine.c (enum undo_kind): Add UNDO_LINKS.
2614 (struct undo): Add member l to other_contents and where.
2615 (do_SUBST_LINK): New.
2617 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2618 (undo_all): Handle UNDO_LINKS.
2620 2012-01-25 Richard Henderson <rth@redhat.com>
2622 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2625 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2627 * optabs.c (gen_atomic_test_and_set): Use each argument.
2629 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2631 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2632 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2633 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2634 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2635 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2636 TARGET_PAIRED_SINGLE_FLOAT.
2638 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2640 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2641 (in_struct, return_val): Remove MEM documentation.
2642 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2643 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2644 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2646 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2647 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2648 * expr.c (store_field): Likewise.
2649 * function.c (assign_stack_temp_for_type): Likewise.
2650 * ifcvt.c (noce_try_cmove_arith): Likewise.
2651 * reload1.c (reload): Likewise.
2652 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2653 (alpha_set_memflags): Likewise.
2654 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2656 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2658 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2660 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2661 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2662 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2664 * cselib.c (cselib_rtx_varies_p): Delete.
2665 (cselib_invalidate_mem): Update call to canon_true_dependence.
2666 * dse.c (record_store, check_mem_read_rtx): Likewise.
2667 (scan_reads_nospill): Likewise.
2668 * cse.c (check_dependence): Likewise.
2669 (cse_rtx_varies_p): Delete.
2670 * expr.c (safe_from_p): Update call to true_dependence.
2671 * ira.c (validate_equiv_mem_from_store): Likewise.
2672 (memref_referenced_p): Likewise.
2673 * postreload-gcse.c (find_mem_conflicts): Likewise.
2674 * sched-deps.c (sched_analyze_2): Likewise.
2675 * store-motion.c (load_kills_store): Likewise.
2676 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2677 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2678 (compute_transp): Update call to canon_true_dependence.
2680 2012-01-25 Richard Henderson <rth@redhat.com>
2682 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2683 (maybe_emit_atomic_test_and_set): New.
2684 (expand_sync_lock_test_and_set): Use it.
2685 (expand_atomic_test_and_set): Likewise.
2686 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2687 the implementation; clarify implementation defined details.
2688 * doc/md.texi (atomic_test_and_set): Document.
2690 2012-01-25 Richard Henderson <rth@redhat.com>
2692 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2694 2012-01-25 Richard Henderson <rth@redhat.com>
2697 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2698 to effect no-op split.
2700 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2703 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2704 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2705 (BT_FN_VOID_PTR_INT_SIZE): New.
2706 (BT_FN_UINT_UINT_VAR): Remove.
2707 (BT_FN_UINT32_UINT32_VAR): New.
2708 (BT_FN_DOUBLE_VPTR): Remove.
2709 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2711 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2712 (_ITM_changeTransactionMode): Same.
2713 (_ITM_memmoveRtWt): Change return type to void.
2714 (_ITM_memcpyRtWt): Same.
2715 (_ITM_memsetW): Same.
2716 (_ITM_RaRD): Change types to double.
2721 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2723 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2724 Patrick Marlier <patrick.marlier@gmail.com>
2726 * trans-mem.c (requires_barrier): Do not instrument thread local
2727 variables and emit save/restore for them.
2729 2012-01-24 Jason Merrill <jason@redhat.com>
2732 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2733 output static aliases.
2735 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2738 * common.opt (-pie, -shared, pie, shared): Change from Common to
2740 * gcc.c (display_help): Display help for -pie and -shared.
2742 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2745 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2746 Remove note on size/offset limitation.
2747 (AVR Variable Attributes): Add example how to read data located
2748 with progmem. Refer to named address spaces.
2749 * doc/invoke.texi (AVR Options): Fix typo.
2751 2012-01-24 Richard Guenther <rguenther@suse.de>
2753 Forward-port to trunk
2754 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2757 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2758 op0 isn't sufficiently aligned and there is movmisalignM
2759 insn for mode, use it to load op0 into a temporary register.
2761 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2764 * target.def (const_not_ok_for_debug_p): New hook.
2765 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2767 * doc/tm.texi: Regenerated.
2768 * dwarf2out.c (const_ok_for_output_1): If
2769 targetm.const_not_ok_for_debug_p returns true, fail.
2770 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2772 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2774 2012-01-23 Kai Tietz <ktietz@redhat.com>
2777 * config/i386/predicates.md (symbolic_operand): Allow
2778 UNSPEC_PCREL as PIC expression for lea.
2779 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2780 * config/i386/i386.c (ix86_delegitimize_address): Handle
2781 UNSPEC_PCREL for none-MEM, too.
2783 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2785 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2786 (ipa_tm_create_version_alias): Same.
2788 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2791 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2792 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2794 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2795 Patrick Marlier <patrick.marlier@gmail.com>
2796 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2799 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2800 simple_object_start_read.
2802 2012-01-23 Richard Guenther <rguenther@suse.de>
2805 PR tree-optimization/51895
2806 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2807 parameter decomposition into BLKmode components.
2809 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2811 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2812 fake variables for restrict-qualified pointers whose pointed-to type
2813 contains a placeholder.
2815 2012-01-23 Richard Guenther <rguenther@suse.de>
2817 PR tree-optimization/51949
2818 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2820 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2822 PR rtl-optimization/51933
2823 * ree.c (transform_ifelse): Return true right away if dstreg is
2824 already wider or equal to cand->mode.
2825 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2826 (make_defs_and_copies_lists): Remove defs_list and copies_list
2827 arguments, add state argument, just truncate state->work_list
2828 instead of always allocating and freeing the vector. Assert that
2829 get_defs succeeds instead of returning 2. Changed return type to bool.
2830 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2831 have ext_src_mode, see if it has been modified already with the
2832 right kind of extension and has been extended before from the
2833 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2834 just return true. Remember the original mode in state->modified array.
2835 (combine_reaching_defs): Add state argument. Don't allocate and
2836 free here def_list, copied_list and vec vectors, instead just
2837 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2838 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2839 Add state variable, clear vectors in it, initialize state.modified
2840 if needed. Free all the vectors at the end and state.modified too.
2841 Don't skip a candidate if the extension expression has been modified.
2843 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2846 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2847 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2848 (extra_options) interix.opt -> i386/interix.opt"
2849 (extra_objs):Add winnt-stubs.o
2850 * configure.ac: Add interix to target_os .comm on PE check.
2851 * configure: Regenerate.
2852 * config/interix3.h: Delete and move bits to..
2853 * config/interix.h: Delete and move bits to..
2854 * config/i386/i386-interix3.h: Delete and move bits to..
2855 * config/i386/i386-interix.h: ..here.
2856 (TARGET_CPU_DEFAULT): Remove redefinition.
2857 (TARGET_ASM_CONSTRUCTOR): Undefine.
2858 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2859 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2860 (PTRDIFF_TYPE): Define.
2861 (LONG_DOUBLE_TYPE_SIZE): Define.
2862 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2863 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2864 (TARGET_SECTION_TYPE_FLAGS): Define.
2865 (ASM_DECLARE_FUNCTION_NAME): Define.
2866 (ASM_OUTPUT_EXTERNAL): Define.
2867 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2868 (ASM_OUTPUT_ALIGNED_BSS): Define.
2869 (PCC_BITFIELD_TYPE_MATTERS): Define.
2870 (USE_CONST_SECTION): Define.
2871 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2872 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2873 (SUPPORTS_ONE_ONLY): Remove.
2874 (I386_PE_STRIP_ENCODING): Define.
2875 * config/interix.opt: Delete and move bits to..
2876 * config/i386/interix.opt: ..here. New.
2877 (mpe-aligned-commons): Add.
2878 * config/i386/t-interix: Add copyright header.
2879 (winnt-stubs.o): Add rule.
2881 2012-01-22 Jason Merrill <jason@redhat.com>
2884 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2885 for extra name aliases.
2887 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2889 PR rtl-optimization/51924
2890 * ree.c (combine_set_extension): Improve debugging message.
2891 (combine_reaching_defs): Likewise.
2892 (get_defs): Rename confusingly named variable.
2893 (find_and_remove_re): Skip a candidate if the extension expression has
2896 2012-01-21 Robert Millan <rmh@gnu.org>
2897 Gerald Pfeifer <gerald@pfeifer.com>
2899 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2900 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2902 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2904 PR tree-optimization/51914
2905 * tree-vect-stmts.c (vectorizable_conversion): For
2906 cvt_type && modifier == WIDEN, put temporary with cvt_type
2907 at the beginning of vec_dsts and set vec_dest to temporary
2910 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2912 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2914 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2916 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2917 * config/rs6000/rs6000.c: Likewise.
2919 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2922 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2923 output_move_double on a copy of operands array.
2925 2012-01-20 Cary Coutant <ccoutant@google.com>
2926 Dodji Seketeli <dodji@redhat.com>
2929 * dwarf2out.c (copy_declaration_context): Return ref to parent
2930 of declaration DIE, if necessary.
2931 (remove_child_or_replace_with_skeleton): Add new parameter; update
2932 caller. Place skeleton DIE under parent DIE of original declaration.
2933 Move call to copy_declaration_context to here ...
2934 (break_out_comdat_types): ... from here.
2936 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2938 PR rtl-optimization/51856
2939 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2942 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2945 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2946 hints for neon loads and stores.
2948 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2952 * doc/extend.texi (Named Address Spaces): Split into subsections.
2953 (AVR Named Address Spaces): New subsection.
2954 (M32C Named Address Spaces): New subsection.
2955 (RL78 Named Address Spaces): New subsection.
2956 (SPU Named Address Spaces): New subsection.
2957 (Variable Attributes): New anchor "AVR Variable Attributes".
2958 (AVR Variable Attributes): Rewrite and avoid wording
2959 "address space" in this context.
2960 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2961 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2962 (AVR Built-in Macros): New subsubsection therein.
2963 * doc/md.texi (AVR constraints): Remove "C04", "R".
2965 2012-01-20 Richard Guenther <rguenther@suse.de>
2967 PR tree-optimization/51903
2968 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2969 when removing stmts.
2971 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2974 * config/arm/arm.c (arm_load_pic_register): Use
2975 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2976 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2977 (arm_pic_static_addr): Likewise.
2978 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2979 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2980 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2981 (pic_load_addr_unified): New.
2983 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2986 * function.c (instantiate_virtual_regs_in_insn): Use
2987 delete_insn_and_edges when removing a wrong asm insn.
2989 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2991 PR rtl-optimization/40761
2992 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2993 Add new member loop_num.
2994 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2995 (ira_build): Remove the parameter.
2997 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2998 (ira.c): Do not build CFG loops for one region allocation. Remove
2999 argument from ira_build call.
3001 * ira-build.c (init_loop_tree_node): New function.
3002 (create_loop_tree_nodes): Use it. Separate the case when CFG
3003 loops are not built.
3004 (more_one_region_p): Check current_loops.
3005 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3007 (add_loop_to_tree): Process loop equal to NULL too.
3008 (form_loop_tree): Separate the case when CFG loops are not built.
3009 Use explicitly number for the root.
3010 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3012 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3013 instead of loop->num.
3014 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3015 (mark_all_loops_for_removal): Ditto.
3016 (remove_unnecessary_regions): Separate the case when CFG loops
3018 (ira_build): Remove the parameter. Use explicit number of regions
3019 when CFG loops are not built.
3021 * ira-color.c (print_loop_title): Separate the case for the root node.
3022 Use loop_num instead of loop->num.
3023 (move_spill_restore): Use loop_num instead of loop->num.
3025 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3026 (change_loop): Ditto.
3027 (change_loop): Use loop_num instead of loop->num.
3029 * ira-lives.c (process_bb_node_lives): Ditto.
3031 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3033 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3035 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3038 * tree-mudflap.c (mf_artificial): New function.
3039 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3040 mx_register_decls, mudflap_enqueue_decl): Use it.
3043 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3044 numbers in the insn pattern.
3046 2012-01-19 Michael Matz <matz@suse.de>
3048 PR tree-optimization/46590
3049 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3050 use it in remembering which conflicts we already created.
3051 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3054 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3057 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3058 (merge_and_complain): Same.
3060 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3063 * config/initfini-array.h: Guard content of the header
3064 with #ifdef HAVE_INITFINI_ARRAY.
3065 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3066 Add initfini-array.h to tm_file here.
3067 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3068 * config.gcc: Don't add initfini-array.h to tm_file here.
3069 * configure: Regenerated.
3071 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3073 PR rtl-optimization/51505
3074 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3075 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3076 (df_note_bb_compute): Update the call to df_kill_notes.
3078 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3080 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3082 2012-01-18 Richard Guenther <rguenther@suse.de>
3084 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3085 of conversions to void *.
3087 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3088 Richard Sandiford <rdsandiford@googlemail.com>
3092 * optabs.h (simplify_expand_binop): Declare.
3093 * optabs.c (simplify_expand_binop): Make global.
3094 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3095 endian targets if the source cannot be exactly covered by word
3098 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3101 * hard-reg-set.h (struct hard_reg_set_container): New type.
3102 * target.h (struct hard_reg_set_container): Forward declare.
3103 * target.def (set_up_by_prologue): New target hook.
3104 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3105 * doc/tm.texi: Regenerated.
3106 * function.c (thread_prologue_and_epilogue_insns): Change
3107 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3108 Call targetm.set_up_by_prologue on it.
3109 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3110 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3112 2012-01-17 Nick Clifton <nickc@redhat.com>
3114 * config/rx/rx.c (rx_can_use_simple_return): New function.
3115 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3116 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3118 2012-01-17 Richard Guenther <rguenther@suse.de>
3121 * expr.c (expand_assignment): Take address-space information
3122 from the address operand of MEM_REF and TARGET_MEM_REF.
3123 (expand_expr_real_1): Likewise.
3125 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3127 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3128 reload dump is requested.
3130 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3133 * trans-mem.c (requires_barrier): Call may_be_aliased.
3135 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3137 PR tree-optimization/51877
3138 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3139 call arguments and fndecls compare equal, instead return false if they
3140 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3141 both SSA_NAMEs that are valueized the same, or they satisfy
3144 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3146 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3148 * configure: Regenerate.
3150 2012-01-16 Jan Hubicka <jh@suse.cz>
3154 * convert.c (convert_to_integer): Use fold_convert for
3155 converting an INTEGER_CST to integer type.
3157 2012-01-16 Jason Merrill <jason@redhat.com>
3160 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3162 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3165 * config/s390/s390.c (s390_chunkify_start): Don't skip
3166 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3167 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3168 If insn is followed by NOTE_INSN_VAR_LOCATION or
3169 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3170 Don't use location of note insns.
3172 PR tree-optimization/51865
3173 * tree-inline.c (tree_function_versioning): Call remap_decl
3174 on DECL_RESULT whenever it has VOID_TYPE_P type.
3176 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3178 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3179 for calls to locally-binding MIPS16 functions if only the return
3180 type uses float regs.
3182 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3183 Richard Sandiford <rdsandiford@googlemail.com>
3185 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3186 (SYMBOL_32_HIGH): Likewise.
3187 (mips_output_tls_reloc_directive): Declare.
3188 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3189 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3190 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3191 (mips_lo_relocs, mips_hi_relocs): Make extern.
3192 (mips16_stub_function): Move up file.
3193 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3194 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3195 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3196 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3197 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3198 (mips_get_tp): Add MIPS16 support.
3199 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3200 Generalize DTPREL and TPREL handling.
3201 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3202 Add MIPS16 TLS support.
3203 (mips_output_tls_reloc_directive): New function.
3204 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3205 * config/mips/predicates.md (symbolic_operand_with_high)
3206 (tls_reloc_operand): New predicates.
3207 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3208 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3209 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3210 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3211 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3212 (*tls_get_tp_mips16_call_<mode>): Likewise.
3214 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3216 PR rtl-optimization/51821
3217 * recog.c (peep2_find_free_register): Determine clobbered registers
3220 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3223 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3224 * config/avr/avr.c: Likewise.
3225 * config/avr/avr.h: Likewise.
3227 2012-01-13 Ian Lance Taylor <iant@google.com>
3230 * tree.h (TYPE_QUALS): Add cast to int.
3231 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3233 2012-01-13 Ian Lance Taylor <iant@google.com>
3235 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3236 comparing param_index to VEC_length result.
3238 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3240 * c-decl.c: Do not include tree-mudflap.h
3241 * tree-optimize.c: Likewise.
3242 * Makefile.in: Update dependencies.
3244 2012-01-13 Richard Guenther <rguenther@suse.de>
3247 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3248 variable-sized result always use RSO.
3250 2012-01-12 DJ Delorie <dj@redhat.com>
3252 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3253 pointer type, not just the default pointer type.
3255 2012-01-09 Richard Henderson <rth@redhat.com>
3256 Denis Chertykov <chertykov@gmail.com>
3259 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3260 * config/avr/avr.c (avr_can_eliminate): Simplify.
3261 (avr_initial_elimination_offset): Likewise.
3262 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3263 (expand_epilogue): Likewise.
3264 (avr_legitimize_address): Gut.
3265 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3266 (avr_hard_regno_nregs): New.
3267 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3268 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3269 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3270 add soft frame pointer.
3271 (CALL_USED_REGISTERS): Likewise.
3272 (REG_CLASS_CONTENTS): Likewise.
3273 (REGISTER_NAMES): Likewise.
3274 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3275 (HARD_FRAME_POINTER_REGNUM): New.
3276 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3277 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3278 remove the HARD_FRAME_POINTER self-elimination.
3280 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3283 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3284 DECL_EXTERNAL when checking for initializers of progmem variables.
3286 2012-01-12 Ira Rosen <irar@il.ibm.com>
3288 PR tree-optimization/51799
3289 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3290 that the last operation is a type demotion.
3292 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3294 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3295 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3297 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3300 * combine.c (distribute_notes): If i3 is a noreturn call,
3301 allow old_size to be equal to args_size and make sure the
3302 noreturn call gets REG_ARGS_SIZE note.
3303 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3304 on noreturn calls even when the delta is 0.
3306 2012-01-11 Nathan Sidwell <nathan@acm.org>
3308 * gcov.c (STRING_SIZE): Remove.
3309 (generate_results): Erase annotations for source files with no
3310 coverage information.
3312 (output_lines): Use it.
3314 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3316 * gimple.h (gimplify_body): Remove first argument.
3317 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3318 pointer set here, instead just pass DATA to walk_tree.
3319 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3320 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3321 (unvisit_body): Likewise, but with unmark_visited.
3322 (gimplify_body): Remove BODY_P argument and adjust.
3323 (gimplify_function_tree): Adjust call to gimplify_body.
3324 * omp-low.c (finalize_task_copyfn): Likewise.
3326 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3328 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3329 (build_function_type_skip_args): Delete.
3330 * tree.c (build_function_type_skip_args): Make static and add
3331 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3332 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3333 pass it to build_function_type_skip_args.
3334 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3335 (tree_function_versioning): Likewise.
3336 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3337 build_function_decl_skip_args.
3338 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3339 and pass it to build_function_decl_skip_args/tree_function_versioning.
3340 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3341 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3342 * trans-mem.c (ipa_tm_create_version): Likewise.
3343 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3344 * tree-inline.c (declare_return_variable): Remove always-true test.
3345 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3346 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3347 * ipa-split.c (split_function): Skip the return value for the split
3348 part if it doesn't return.
3350 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3352 PR tree-optimization/49642
3353 * ipa-split.c (forbidden_dominators): New variable.
3354 (check_forbidden_calls): New function.
3355 (dominated_by_forbidden): Likewise.
3356 (consider_split): Check for forbidden dominators.
3357 (execute_split_functions): Initialize and free forbidden
3358 dominators info; call check_forbidden_calls.
3360 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3362 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3364 2012-01-11 Nick Clifton <nickc@redhat.com>
3366 * config/rx/rx.md (return): Define pattern.
3368 2012-01-11 Richard Guenther <rguenther@suse.de>
3370 * doc/extend.texi (malloc attribute): Adjust according to
3373 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3374 Patrick Marlier <patrick.marlier@gmail.com>
3377 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3378 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3379 (ipa_tm_note_irrevocable): Same.
3380 (ipa_tm_scan_irr_block): Same.
3381 (ipa_tm_decrement_clone_counts): Same.
3382 (ipa_tm_scan_irr_function): Same.
3383 (ipa_tm_create_version_alias): Same.
3384 (ipa_tm_create_version): Same.
3385 (ipa_tm_transform_calls_redirect): Same.
3386 (ipa_tm_transform_calls): Same.
3387 (ipa_tm_transform_transaction): Same.
3388 (ipa_tm_execute): Same.
3390 2012-01-10 Richard Guenther <rguenther@suse.de>
3393 * opts.c (common_handle_option): Handle -Werror.
3395 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3397 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3400 2012-01-10 Jason Merrill <jason@redhat.com>
3402 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3405 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3407 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3408 supports R_386_TLS_GD_PLT reloc.
3409 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3410 supports R_386_TLS_LDM_PLT reloc.
3411 * configure: Regenerate.
3412 * config.in: Regenerate.
3414 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3417 Extend __pgmx semantics to linearize memory.
3418 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3419 determine if code comes inline or from libgcc.
3420 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3421 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3422 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3423 (movmemx_qi, movmemx_hi): New insns.
3424 (xload_<mode>_libgcc): Rewrite to new insn condition.
3425 (xload_<mode>): Remove insns.
3426 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3427 cases that don't satisfy avr_xload_libgcc_p().
3428 (avr_addr_space_convert): Allow converting in any direction.
3429 (avr_addr_space_subset_p): Return always true.
3430 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3431 (avr_emit_movmemhi): Ditto.
3432 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3433 (avr_out_movmem): Ditto.
3434 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3435 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3436 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3437 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3438 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3440 2012-01-10 Richard Guenther <rguenther@suse.de>
3442 PR tree-optimization/50913
3443 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3444 Require data-refs to be representable by Graphite with respect
3447 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3449 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3450 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3452 2012-01-10 Tom de Vries <tom@codesourcery.com>
3454 PR rtl-optimization/51271
3455 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3456 handling annulled branch.
3458 2012-01-10 Richard Henderson <rth@redhat.com>
3460 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3461 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3462 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3463 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3464 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3465 arm_expand_vec_perm_const): New.
3466 * config/arm/arm-protos.h: Update.
3467 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3468 (*neon_vswp<VDQX>): New.
3469 (neon_vcombine<VDX>): Use neon_split_vcombine.
3470 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3471 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3472 (vec_perm<VE>): New.
3474 2012-01-10 Richard Henderson <rth@redhat.com>
3476 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3477 use it if reload_completed.
3478 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3479 arm_output_asm_insn, arm_process_output_memory_barrier,
3480 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3481 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3482 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3483 arm_process_output_sync_insn, arm_output_sync_insn,
3484 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3485 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3486 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3487 (emit_unlikely_jump): New.
3488 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3489 (arm_split_atomic_op): New.
3490 * config/arm/arm-protos.h: Update.
3491 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3492 (struct arm_sync_generator): Remove.
3493 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3494 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3495 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3496 (VUNSPEC_LL, VUNSPEC_SC): New.
3497 (sync_result, sync_memory, sync_required_value, sync_new_value,
3498 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3499 (attr length): Don't use arm_sync_loop_insns.
3500 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3501 (movsfcc, movdfcc): Likewise.
3502 * config/arm/constraints.md (Ua): New.
3503 * config/arm/prediates.md (mem_noofs_operand): New.
3504 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3505 (sync_clobber, sync_t2_reqd): Remove.
3506 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3507 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3508 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3509 (arm_sync_compare_and_swap<SIDI>): Remove.
3510 (arm_sync_compare_and_swap<NARROW>): Remove.
3511 (arm_sync_lock_test_and_set<SIDI>): Remove.
3512 (arm_sync_lock_test_and_set<NARROW>): Remove.
3513 (arm_sync_new_<syncop><SIDI>): Remove.
3514 (arm_sync_new_<syncop><NARROW>): Remove.
3515 (arm_sync_new_nand<SIDI>): Remove.
3516 (arm_sync_new_nand<NARROW>): Remove.
3517 (arm_sync_old_<syncop><SIDI>): Remove.
3518 (arm_sync_old_<syncop><NARROW>): Remove.
3519 (arm_sync_old_nand<SIDI>): Remove.
3520 (arm_sync_old_nand<NARROW>): Remove.
3521 (*memory_barrier): Merge arm_output_memory_barrier.
3522 (atomic_compare_and_swap<QHSD>): New.
3523 (atomic_compare_and_swap<NARROW>_1): New.
3524 (atomic_compare_and_swap<SIDI>_1): New.
3525 (atomic_exchange<QHSD>): New.
3526 (cas_cmp_operand, cas_cmp_str): New.
3527 (atomic_op_operand, atomic_op_str): New.
3528 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3529 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3530 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3531 (arm_load_exclusive<NARROW>): New.
3532 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3533 (arm_store_exclusive<QHSD>): New.
3535 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3537 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3538 reload patterns if -mvsx-scalar-memory.
3540 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3541 generated, even -mno-vsx-scalar-double was used.
3542 (vsx_xscvdpsp_scalar): Likewise.
3543 (vsx_xscvspdp_scalar2): Likewise.
3545 2012-01-09 Tom de Vries <tom@codesourcery.com>
3546 Andrew Pinski <apinski@cavium.com>
3549 * reorg.c (fill_slots_from_thread): Don't speculate
3550 frame-related insns.
3552 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3554 * sched-int.h (bb_note): Move to...
3555 * basic-block.h: ...here.
3556 * haifa-sched.c (bb_note): Move to...
3557 * cfgrtl.c: ...here.
3558 * function.c (next_block_for_reg): New function.
3559 (move_insn_for_shrink_wrap): Likewise.
3560 (prepare_shrink_wrap): Rewrite to use the above.
3562 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3564 * gimple.c (is_gimple_non_addressable): Remove.
3565 * gimple.h: Remove is_gimple_non_addressable.
3566 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3567 is_gimple_non_addressable.
3568 * trans-mem.c (expand_assign_tm): Same.
3570 2012-01-09 Richard Guenther <rguenther@suse.de>
3572 PR tree-optimization/51775
3573 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3574 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3576 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3578 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3580 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3582 2012-01-09 Richard Guenther <rguenther@suse.de>
3584 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3586 2012-01-08 Jan Hubicka <jh@suse.cz>
3588 PR tree-optimize/51680
3589 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3590 on when known_vals needs to be computed; cleanup.
3592 2012-01-08 Jan Hubicka <jh@suse.cz>
3594 PR tree-optimize/51694
3595 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3597 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3599 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3600 for -std=c++98 and -std=c++11 too.
3602 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3604 * cfgloop.c (cancel_loop): Add free() of bbs array.
3606 2012-01-07 Jan Hubicka <jh@suse.cz>
3608 PR tree-optimization/51600
3609 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3610 that benefits small functions.
3612 2012-01-07 Jan Hubicka <jh@suse.cz>
3614 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3616 2012-01-07 Jan Hubicka <jh@suse.cz>
3618 PR tree-optimization/51680
3619 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3620 whose inlining reduce unit size.
3622 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3625 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3626 Add canonical node to containing_mem chain after the non-canonical
3627 one, even if there weren't any locs to propagate.
3628 (remove_useless_values): Keep only canonical values.
3629 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3630 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3631 canonicalize mem_chain elements that are not discarded.
3633 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3636 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3637 before emitting functions.
3639 PR gcov-profile/50127
3640 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3641 clear_aux_for_blocks.
3643 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3646 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3648 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3650 * c-decl.c (ext_block): Moved up.
3651 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3653 2012-01-06 Han Shen <shenhan@google.com>
3655 Translate built-in include paths for sysroot.
3656 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3657 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3659 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3660 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3662 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3663 control whether sysroot should be prepended to gxx include dir.
3665 * configure: Regenerate.
3667 2012-01-06 Torvald Riegel <triegel@redhat.com>
3669 PR rtl-optimization/51771
3670 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3671 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3673 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3675 PR tree-optimization/51315
3676 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3677 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3679 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3682 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3683 for shrp pattern. Correctly handle and fixup shift variable.
3684 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3686 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3689 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3690 note when !ACCUMULATE_OUTGOING_ARGS.
3692 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3694 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3696 (extract_range_from_unary_expr_1): Avoid useless computations.
3698 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3700 PR rtl-optimization/51767
3701 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3702 of jump_block and add an extra edge for degenerated asm gotos.
3705 * stmt.c (check_unique_operand_names): Don't ICE during error
3706 reporting if i is from labels chain.
3709 * profile.c (branch_prob): Split bbs that have exit edge
3710 and need a fake entry edge too.
3712 2012-01-05 Jan Hubicka <jh@suse.cz>
3715 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3718 2012-01-05 Richard Guenther <rguenther@suse.de>
3721 * tree-streamer-out.c (write_ts_optimization): New function.
3722 (streamer_write_tree_body): Call it.
3723 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3724 (streamer_read_tree_body): Call it.
3725 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3727 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3730 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3731 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3732 in_cleanup_point_expr before gimplify_stmt call and restore it
3734 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3735 in_cleanup_point_expr is false.
3737 2012-01-05 Richard Guenther <rguenther@suse.de>
3740 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3742 * toplev.c (process_options): Reject combining mudflap and LTO.
3743 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3745 2012-01-05 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/51760
3748 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3750 (bit_value_unop): Handle UNDEFINED operands.
3751 (bit_value_binop): Likewise.
3753 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3755 * config/avr/avr.c (avr_replace_prefix): Remove.
3756 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3757 (avr_asm_function_rodata_section): Ditto.
3758 (avr_asm_select_section): Ditto.
3760 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3762 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3765 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3768 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3769 calls that have any non-fake successor edges.
3772 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3774 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3776 PR tree-optimization/51624
3777 * tree-sra.c (build_ref_for_model): When replicating a chain of
3778 COMPONENT_REFs, stop as soon as the offset would become negative.
3780 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3783 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3784 in .debug_loc on the floor.
3786 2012-01-04 Andrew Pinski <apinski@cavium.com>
3788 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3790 2012-01-04 Andrew Pinski <apinski@cavium.com>
3791 Adam Nemet <anemet@caviumnetworks.com>
3793 * config/mips/mips.md (size): Add SI and DI.
3794 (SIZE): New mode attribute.
3795 (U): New code attribute.
3796 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3797 (mips_lbux_<mode>): Delete.
3798 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3799 (mips_lhx): Use gen_mips_lhx_extsi.
3800 (mips_lhx_<mode>): Delete.
3802 (mips_l<size>x): New expand.
3803 (mips_lwx_<mode>): Delete.
3804 (mips_l<GPR:size>x_<P:mode>): New pattern.
3805 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3806 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3807 * config/mips/mips.c (mips_lx_address_p): New function.
3808 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3809 (dsp64): New availability predicate.
3810 (mips_builtins): Add an entry for __builtin_mips_ldx.
3811 * config/mips/mips.h (ISA_HAS_LBX): New define.
3812 (ISA_HAS_LBUX): Likewise.
3813 (ISA_HAS_LHX): Likewise.
3814 (ISA_HAS_LHUX): Likewise.
3815 (ISA_HAS_LWX): Likewise.
3816 (ISA_HAS_LWUX): Likewise.
3817 (ISA_HAS_LDX): Likewise.
3818 * doc/extend.texi (__builtin_mips_ldx): Document.
3820 2012-01-04 Tristan Gingold <gingold@adacore.com>
3822 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3823 when long pointers are used.
3824 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3825 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3826 (ia64-hp-*vms*): Remove.
3827 * config/vms/xm-vms64.h: Delete.
3829 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3832 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3834 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3836 * opts.c (finish_options): Remove duplicate sorry.
3838 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3841 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3844 2012-01-04 Richard Guenther <rguenther@suse.de>
3847 * tree.c (size_low_cst): New function.
3848 * tree.h (size_low_cst): Declare.
3849 * fold-const.c (fold_comparison): Use it to extract the low
3850 part of the POINTER_PLUS_EXPR offset.
3852 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3854 Fix clearing ZERO_REG
3855 * config/avr/avr.md (cc): Add alternative "ldi".
3856 (movqi_insn): Use it in cc attribute.
3857 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3858 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3859 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3861 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3863 * configure: Regenerate.
3865 2012-01-04 Richard Guenther <rguenther@suse.de>
3867 PR tree-optimization/49651
3868 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3869 (var_can_have_subvars): Use it.
3870 (get_constraint_for_1): Only consider subfields if there can be any.
3872 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3875 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3876 to its new canonical_cselib_val and the cselib_val was in
3877 first_containing_mem chain, but the canonical_cselib_val was not,
3878 add the latter into the chain.
3879 (cselib_invalidate_mem): Compare canonical_cselib_val of
3880 addr_list chain elt with v.
3883 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3884 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3886 (output_macinfo_op): Don't ggc_strdup fd->filename.
3887 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3888 then ggc_strdup it. Don't free inc->info or cur->info.
3889 (output_macinfo): Don't free ref->info or file->info.
3891 2012-01-03 Ira Rosen <irar@il.ibm.com>
3893 PR tree-optimization/51269
3894 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3895 first_niters a pointer.
3896 (slpeel_tree_peel_loop_to_edge): Likewise.
3897 (vect_do_peeling_for_loop_bound): Update call to
3898 slpeel_tree_peel_loop_to_edge.
3899 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3900 here. Remove it from the parameters list.
3901 (vect_do_peeling_for_alignment): Update calls and compute
3904 2012-01-03 Richard Guenther <rguenther@suse.de>
3906 PR tree-optimization/51070
3907 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3908 Properly handle calls.
3910 2012-01-03 Richard Guenther <rguenther@suse.de>
3912 PR tree-optimization/51692
3913 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3914 the LHS of allocation stmts.
3916 2012-01-03 Olivier Hainque <hainque@adacore.com>
3918 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3920 2012-01-03 Olivier Hainque <hainque@adacore.com>
3922 * collect2.c (main): In AIX specific computations for vector
3923 insertions, use CONST_CAST2 to cast from char ** to const char **.
3925 2012-01-03 Richard Guenther <rguenther@suse.de>
3928 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3929 the context of a limbo DIE when it does not already exist.
3931 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3933 PR tree-optimization/51719
3934 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3935 but direct call is, clear direct call's lhs and don't add fallthrough
3936 edge from dcall_bb to join_bb and PHIs.
3938 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3940 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3941 the instructions emitted by the pattern.
3942 ("*TDC_insn_<mode>"): Add comment.
3944 2012-01-03 Richard Guenther <rguenther@suse.de>
3947 * fold-const.c (fold_comparison): Properly canonicalize
3948 tree offset and HOST_WIDE_INT bit position.
3950 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3952 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3953 operands for extzv pattern.
3955 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3958 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3961 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3963 * doc/invoke.texi (-flto and related options): Copy-edit.
3965 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3967 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3969 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3971 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3974 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3976 * expr.h (move_by_pieces_ninsns): Declare.
3977 * expr.c (move_by_pieces_ninsns): Make external.
3978 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3979 (mips_store_by_pieces_p): Likewise.
3980 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3981 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3982 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3983 (mips_store_by_pieces_p): Likewise.
3985 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3987 * passes.c (register_one_dump_file): Free full_name.
3989 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3990 (calculate_elim_costs_all_insns): Free offsets_at and
3991 offsets_known_at at the end and clear the pointers.
3993 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3995 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3996 this option introduced in r180739.
3998 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4001 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4002 (tmake_file target=avr): Add avr/t-multilib.
4004 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4005 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4006 * config/avr/genmultilib.awk: New file.
4007 * config/avr/t-multilib: New auto-generated file.
4008 * config/avr/multilib.h: New auto-generated file.
4009 * config/avr/t-avr (AVR_MCUS): New variable.
4010 (genopt.sh): Use it.
4011 (s-mlib): Depend on t-multilib.
4012 (t-multilib, multilib.h): New dependencies.
4013 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4014 (MULTILIB_OPTIONS): Remove.
4015 (MULTILIB_MATCHES): Remove.
4016 (MULTILIB_DIRNAMES): Remove.
4017 (MULTILIB_EXCEPTIONS): Remove:
4018 * config/avr/genopt.sh: Don't use hard coded file name;
4019 pass AVR_MCUS from t-avr instead.
4021 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4023 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4025 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4027 Implement light-weight DImode support.
4028 * config/avr/avr-dimode.md: New file.
4029 * config/avr/avr.md: Include it.
4030 (adjust_len): Add plus64, compare64.
4031 (HIDI): Remove code iterator.
4032 (code_stdname): New code attribute.
4033 (rotx, rotsmode): Remove DI.
4034 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4036 * config/avr/avr-protos.h (avr_have_dimode): New.
4037 (avr_out_plus64, avr_out_compare64): New.
4038 * config/avr/avr.c (avr_out_compare): Handle DImode.
4039 (avr_have_dimode): New variable definition and initialization.
4040 (avr_out_compare64, avr_out_plus64): New functions.
4041 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4042 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4043 (avr_compare_pattern): Skip DImode comparisons.
4045 2012-01-02 Revital Eres <revital.eres@linaro.org>
4047 * ddg.c (def_has_ccmode_p): New function.
4048 (add_cross_iteration_register_deps,
4049 create_ddg_dep_from_intra_loop_link): Call it.
4051 2012-01-02 Richard Guenther <rguenther@suse.de>
4054 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4056 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4058 * gcc.c (process_command): Update copyright notice dates.
4059 * gcov.c (print_version): Likewise.
4060 * gcov-dump.c (print_version): Likewise.
4061 * mips-tfile.c (main): Likewise.
4062 * mips-tdump.c (main): Likewise.
4064 2012-01-01 Ira Rosen <irar@il.ibm.com>
4066 PR tree-optimization/51704
4067 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4068 a use is inside the basic block or loop before accessing its vect info.
4070 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4072 PR rtl-optimization/51069
4073 * cfgloopmanip.c (remove_path): Removing path making irreducible
4074 region unconditional makes BB part of the region.
4076 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4078 PR tree-optimization/51683
4079 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4080 calls with side-effects.
4081 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4083 Copyright (C) 2012 Free Software Foundation, Inc.
4085 Copying and distribution of this file, with or without modification,
4086 are permitted in any medium without royalty provided the copyright
4087 notice and this notice are preserved.