1 2012-04-12 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/52943
4 * tree-chrec.h (chrec_is_positive): Remove.
5 * tree-scalar-evolution.c (chrec_is_positive): Move ...
6 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
7 Return false for a constant zero instead of negative.
8 (analyze_siv_subscript_cst_affine): Handle zero difference
9 in the initial condition explicitely.
11 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14 * varasm.c (process_pending_assemble_externals): Set
15 pending_assemble_externals_processed true.
16 (assemble_external): Call assemble_external_real if the pending
17 assemble externals have been processed.
19 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
22 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
23 the DECL generated for the special GOT helper.
25 2012-04-06 Walter Lee <walt@tilera.com>
27 Backport from mainline
28 2012-03-07 Walter Lee <walt@tilera.com>
30 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
31 REG_CFA_* notes for the stack pointer.
32 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
33 EH_RETURN_STACKADJ_RTX.
34 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
35 generate REG_CFA_* notes for the stack pointer.
36 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
37 by EH_RETURN_STACKADJ_RTX.
39 2012-04-06 Matt Turner <mattst88@gmail.com>
41 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
43 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
45 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
46 of the destination isn't also a FP_REGS register.
48 2012-04-03 Richard Guenther <rguenther@suse.de>
50 Backport from mainline
51 2012-03-02 Richard Guenther <rguenther@suse.de>
53 PR tree-optimization/52406
54 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
55 (struct indices): Add unconstrained_base member.
56 (struct dr_alias): Remove unused vops member.
57 (DR_UNCONSTRAINED_BASE): New define.
58 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
59 add indices to allow their disambiguation. Make DR_BASE_OBJECT
60 be an artificial access that covers the whole indexed object,
61 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
62 plain decl base-objects to their MEM_REF variant.
63 (dr_may_alias_p): When the base-object of either data reference
64 has unknown size use only points-to information.
65 (compute_affine_dependence): Make dumps easier to read and
67 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
68 DR_REF when looking for packed references.
69 (vect_supportable_dr_alignment): Likewise.
71 2012-04-03 Richard Guenther <rguenther@suse.de>
73 Backport from mainline
74 2012-03-15 Richard Guenther <rguenther@suse.de>
77 * tree-data-ref.c (subscript_dependence_tester_1): Check
78 all dimensions for non-conflicting access functions.
80 2012-04-03 Richard Guenther <rguenther@suse.de>
82 Backport from mainline
83 2012-03-06 Richard Guenther <rguenther@suse.de>
86 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
88 2012-03-23 Richard Guenther <rguenther@suse.de>
90 PR tree-optimization/52678
91 * tree-vectorizer.h (struct _stmt_vec_info): Add
92 loop_phi_evolution_part member.
93 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
94 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
95 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
96 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
97 Use the cached evolution part and the PHI nodes value from
98 the loop preheader edge instead of re-analyzing the evolution.
100 2012-03-26 Richard Guenther <rguenther@suse.de>
102 PR tree-optimization/52701
103 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
104 compute and set the evolution part of PHI nodes.
106 2012-03-30 Richard Guenther <rguenther@suse.de>
108 PR tree-optimization/52754
109 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
110 propagate arbitrary addresses into really plain dereferences.
112 2012-04-03 Jakub Jelinek <jakub@redhat.com>
114 PR tree-optimization/52835
115 * tree-data-ref.c (build_rdg): Return NULL if
116 compute_data_dependences_for_loop failed.
118 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
120 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
121 (stmt_can_make_abnormal_goto): Use it.
122 (is_ctrl_altering_stmt): Likewise.
124 2012-03-31 Martin Jambor <mjambor@suse.cz>
126 Backported from mainline
127 2012-03-30 Martin Jambor <mjambor@suse.cz>
129 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
130 is a builtin_stack_save in a dominating BB.
132 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
134 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
135 crossing 128bit lane boundary.
137 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
139 Backported from mainline
140 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
143 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
145 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
146 * config/i386/i386.c: Include reload.h.
147 (ix86_legitimize_reload_address): New function.
149 2012-03-28 Martin Jambor <mjambor@suse.cz>
151 Backported from mainline
152 2012-03-27 Martin Jambor <mjambor@suse.cz>
155 * tree-sra.c (sra_modify_assign): Do not call
156 load_assign_lhs_subreplacements when working with an unscalarizable
159 2012-03-28 Jakub Jelinek <jakub@redhat.com>
162 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
163 __builtin_va_start to __builtin_next_arg if the latter is
164 builtin_decl_explicit_p rather than when it is not.
167 * tree-vect-generic.c (vector_element): Perform multiplication
168 for pos in bitsizetype type instead of idx type.
170 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
172 Backport from 2012-03-28 mainline r185910.
175 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
176 (avr_builtin_decl): New static function.
177 (struct avr_builtin_description, avr_bdesc): Move up.
178 Add GTY marker. Add field fndecl. Remove redundant field id.
179 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
180 (avr_expand_builtin): Code cleanup because .id is removed.
182 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
185 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
188 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
190 Backport from 2012-03-28 mainline r185907.
193 * config.gcc (tm_file): Remove avr/multilib.h.
195 * doc/invoke.texi (AVR Options): Adjust
196 documentation of -mtiny-stack.
198 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
199 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
200 * config/avr/t-avr: Remove generation of multilib.h.
201 * config/avr/t-multilib: Regenerate.
202 * config/avr/multilib.h: Remove.
203 * config/avr/avr.opt (-msp8): New option.
204 (avr_sp8): New variable.
205 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
206 * config/avr/avr.h (AVR_HAVE_SPH): New define.
207 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
208 (avr_device_to_sp8): New prototype.
209 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
210 (DRIVER_SELF_SPECS): New define.
211 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
212 __AVR_SP8__, __AVR_HAVE_SPH__.
213 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
214 AVR_HAVE_8BIT_SP to decide if SP_H is present.
215 (avr_file_start): Ditto.
217 2012-03-28 Jakub Jelinek <jakub@redhat.com>
220 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
221 instead of 8 in adjust_address.
223 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
225 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
226 of a unit before computing the offset in units.
228 2012-03-27 Richard Guenther <rguenther@suse.de>
231 * fold-const.c (try_move_mult_to_index): Handle &x.array more
234 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
237 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
239 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
242 * varasm.c: Include pointer-set.h.
243 (pending_assemble_externals_set): New pointer set.
244 (process_pending_assemble_externals): Destroy the pointer set.
245 (assemble_external): See if decl is in pending_assemble_externals_set,
246 and add it to pending_assemble_externals if necessary.
247 (init_varasm_once): Allocate pending_assemble_externals_set.
249 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
251 Backported from mainline
252 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
255 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
256 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
257 (vector_ltgt<mode>): Likewise.
258 (vector_ordered<mode>): Likewise.
259 (vector_unordered<mode>): Likewise.
260 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
262 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
264 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
267 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
269 Backported from mainline
270 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
274 * config/sh/sh.c (sh_register_move_cost): Increase cost between
275 GENERAL_REGS and FP_REGS for SImode.
277 2012-03-22 Jakub Jelinek <jakub@redhat.com>
280 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
281 on any new_local_var_chain vars declared during recursing on
282 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
284 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
286 Backport from 2012-03-22 mainline r185692.
289 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
290 (unspecv): Add UNSPECV_MEMORY_BARRIER.
291 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
292 (delay_cycles_1, delay_cycles_2): Ditto.
293 (delay_cycles_3, delay_cycles_4): Ditto.
294 (nopv, *nopv): Ditto.
295 (sleep, *sleep): Ditto.
298 Backport from 2012-03-21 mainline r185605.
300 PR rtl-optimization/52543
302 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
303 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
304 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
305 (avr_load_libgcc_p): Restrict to __flash loads.
306 (avr_out_lpm): Only handle 1-byte loads from __flash.
307 (avr_load_lpm): New function.
308 (avr_find_unused_d_reg): Remove.
309 (avr_out_lpm_no_lpmx): Remove.
310 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
311 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
312 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
313 (load_<mode>, load_<mode>_clobber): New insns.
314 (mov<mode>): For multi-byte move from non-generic
315 16-bit address spaces: Expand to load_<mode> resp.
317 (load<mode>_libgcc): Remove expander.
318 (split-lpmx): Remove split.
320 Backport from 2012-03-13 mainline r185329.
323 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
324 offset (size) to a value the insns can deal with.
325 (expand_epilogue): Ditto.
327 Backport from 2012-03-12 mainline r185256.
330 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
331 type from reg_class_t to enum reg_class.
332 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
334 Backport from 2012-03-12 mainline r185253.
337 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
338 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
339 r184615 from 2012-02-28.
341 Backport from 2012-03-08 mainline r185105.
343 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
344 for constants in [-63,63].
346 Backport from 2012-03-08 mainline r185100.
349 * config/avr/avr.c (avr_mem_clobber): New static function.
350 (avr_expand_delay_cycles): Add memory clobber operand to
351 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
352 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
353 (enable_interrupt, disable_interrupt): New expander.
354 (nopv, sleep, wdr): New expanders.
355 (delay_cycles_1): Add memory clobber.
356 (delay_cycles_2): Add memory clobber.
357 (delay_cycles_3): Add memory clobber.
358 (delay_cycles_4): Add memory clobber.
359 (cli_sei): New insn from former "enable_interrupt",
360 "disable_interrupt" with memory clobber.
361 (*wdt): New insn from former "wdt" with memory clobber.
362 (*nopv): Similar, but for "nopv".
363 (*sleep): Similar, but for "sleep".
365 Backport from 2012-03-07 mainline r185043.
368 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
370 Backport from 2012-03-07 mainline r185032.
373 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
374 to: RAMPZ, RAMPY, RAMPX, RAMPD.
375 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
377 Backport from 2012-03-07 mainline r185031.
380 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
382 * config/avr/avr.md (xload_8): Adjust insn length.
384 Backport from 2012-03-07 mainline r185030.
387 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
388 if RAMPZ affects reading from RAM.
390 Backport from 2012-03-05 mainline r184919.
392 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
394 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
396 Backport from mainline r185259.
399 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
400 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
402 2012-03-22 Jakub Jelinek <jakub@redhat.com>
404 Backported from mainline
405 2012-03-13 Jakub Jelinek <jakub@redhat.com>
408 * c-parser.c (c_parser_postfix_expression)
409 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
411 * config/i386/smmintrin.h: Avoid /* within a comment.
412 * config/i386/nmmintrin.h: Likewise.
414 2012-03-22 Richard Guenther <rguenther@suse.de>
416 * BASE-VER: Set to 4.7.1.
417 * DEV-PHASE: Set to prerelease.
419 2012-03-22 Release Manager
421 * GCC 4.7.0 released.
423 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
425 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
427 2012-03-15 Jakub Jelinek <jakub@redhat.com>
428 Andrew Pinski <apinski@cavium.com>
431 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
432 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
433 calls instead of __builtin_ir{int,ound}*.
435 2012-03-14 Jakub Jelinek <jakub@redhat.com>
438 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
441 2012-03-13 Joseph Myers <joseph@codesourcery.com>
443 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
444 Refer to GCC 4.7 version of c99status.html.
446 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
448 Backport from mainline
449 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
451 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
452 redefine to be NULL if the current bit-size is different from the
455 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
456 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
457 set the default tuning. Add asserts to make sure the cpu and tune
458 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
459 test whether the index is set, instead of > 0.
460 (rs6000_file_start): Do not reset the default cpu if the current
461 bit-size is different from the configured bit-size.
463 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
465 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
467 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
468 Update binutils references.
469 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
470 Update binutils reference.
471 Update Sun as/GNU ld caveat.
472 Document binutils largefile requirement for LTO plugin.
473 Remove reference to alternate libpthread.
475 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
477 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
479 (Specific, mips-sgi-irix6): Likewise.
481 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
483 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
484 * configure: Regenerate.
486 2012-03-07 Richard Henderson <rth@redhat.com>
488 * config/m68k/m68k.h (ISA_HAS_TAS): New.
489 * config/m68k/sync.md (atomic_test_and_set): Use it.
490 (atomic_test_and_set_1): Likewise.
492 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
495 * Makefile.in: Let install-gcc-ar depend on installdirs,
496 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
497 Don't double canonicalize if cross-compiling.
499 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
501 * trans-mem.c: New typedef for tm_region_p.
502 Define vector types for tm_region_p.
503 (tm_region_init): Replace region_worklist to a vector called
506 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
509 * trans-mem.c (tm_region_init): Use last_basic_block.
511 2012-03-05 Richard Henderson <rth@redhat.com>
514 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
515 * omp-low.c (expand_omp_atomic): Assume anything aligned to
516 BIGGEST_ALIGNMENT is aligned.
518 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
520 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
522 2012-03-05 Richard Henderson <rth@redhat.com>
525 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
526 instead of calling negqi2 directly.
528 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
530 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
531 (INTMAX_TYPE): Use it.
532 (UINTMAX_TYPE): Likewise.
533 (SUBTARGET_OVERRIDE_OPTIONS): Define.
534 (irix6_c_common_override_options): Declare.
535 (C_COMMON_OVERRIDE_OPTIONS): Define.
536 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
537 * config/mips/irix6-c.c: New file.
538 * config/mips/t-irix6 (irix6-c.o): New target.
539 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
542 2012-03-02 Richard Henderson <rth@redhat.com>
544 * optabs.c (expand_atomic_test_and_set): Honor
545 atomic_test_and_set_trueval even when atomic_test_and_set
548 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
550 Backport from mainline
551 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
553 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
555 2012-03-02 Richard Guenther <rguenther@suse.de>
557 * DEV-PHASE: Set to prerelease.
559 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
561 * config.gcc (obsolete): Add all ARM targets using the FPA.
562 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
563 * doc/install.texi: Avoid references to obsolete ARM ports.
565 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
567 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
569 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
570 Joern Rennecke <joern.rennecke@embecosm.com>
572 * doc/extend.texi: Expand and update information on interrupt
573 attribute for Epiphany.
575 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
577 * config/sh/sh-protos.h: Update copyright notice dates.
578 * config/sh/sh.h: Likewise.
579 * config/sh/sh.md: Likewise.
580 * config/sh/constraints.md: Likewise.
581 * config/sh/predicates.md: Likewise.
583 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
585 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
586 * config/sh/sh.c (tertiary_reload_operand): Likewise.
588 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
590 * config/sh/constraints.md: Fix comment typo.
592 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
595 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
596 unsigned HOST_WIDE_INT.
597 (zvdep_imm64): Likewise.
598 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
599 (vdepi_and): Likewise.
600 Likewise for unamed 64-bit patterns.
601 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
603 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
606 PR rtl-optimization/52417
607 * cselib.c (cselib_any_perm_equivs): New variable.
608 (cselib_reset_table): Check that it's not set when not
609 preserving constants.
610 (cselib_add_permanent_equiv): Set it.
611 (cselib_have_permanent_equivalences): New.
612 (cselib_init, cselib_finish): Reset it.
613 * cselib.h (cselib_have_permanent_equivalences): Declare.
614 * alias.c (get_addr): Restore earlier behavior when there
615 aren't permanent equivalences.
617 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
619 * config/mn10300/mn10300-modes.def: Fix copyright notice.
620 * config/v850/v850-modes.def: Fix copyright notice.
622 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
624 * doc/extend.texi (AVR Built-in Functions): Document
625 __builtin_avr_flash_segment.
627 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
628 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
629 (*split.flash_segment): New insn-and-split.
630 * config/avr/avr.c (avr_init_builtins): Add local variables:
631 const_memx_void_node, const_memx_ptr_type_node,
632 char_ftype_const_memx_ptr.
634 2012-03-01 Jakub Jelinek <jakub@redhat.com>
636 PR tree-optimization/52445
637 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
638 add ssa_name_ver, offset and size fields and change store field
640 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
641 (add_or_mark_expr): Likewise. Only consider previous stores
642 with the same size and offset.
643 (nt_init_block): Only look at gimple_assign_single_p stmts,
644 doesn't look at rhs2.
646 2012-03-01 Richard Guenther <rguenther@suse.de>
649 * tree-cfg.c (verify_gimple_assign_unary): Allow any
650 conversions from integral types to pointer types.
652 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
654 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
655 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
656 unintentionally removed in r184616.
658 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
660 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
663 2012-02-29 Jakub Jelinek <jakub@redhat.com>
664 Uros Bizjak <ubizjak@gmail.com>
667 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
668 alternatives, add "e" constraint to the new last alternative
669 and ! to last 3 alternatives.
671 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
673 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
674 DW_AT_artificial attributes at the end of the processing.
675 (gen_array_type_die): Likewise.
676 (gen_enumeration_type_die): Likewise.
677 (gen_struct_or_union_type_die): Likewise.
678 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
681 2012-02-29 Jakub Jelinek <jakub@redhat.com>
684 * expr.c (expand_assignment): If doing misaligned store that doesn't
685 cover all mode bits, perform a RMW cycle.
687 PR tree-optimization/52429
688 * tree-parloops.c (separate_decls_in_region_debug): Return early
689 if var is LABEL_DECL.
691 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
693 PR tree-optimization/52424
694 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
695 calling dom_thread_across_edge.
697 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
699 * config/avr/avr.c: Move definition of TARGET macros to end of file.
701 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
703 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
704 * config/avr/avr.c (avr_output_bld): Remove unused function.
705 (avr_out_sbxx_branch): Use "%T" to print bit position.
707 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
709 * config/avr/avr.md: Untabify.
711 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
713 * config/avr/avr.md (eqne): New code iterator.
714 (*dec-and-branchsi): Use it in text peephole's condition.
715 (*dec-and-branchhi): Ditto.
716 (*dec-and-branchqi): Ditto.
718 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
721 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
722 the device does not have the skip-bug.
724 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
726 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
727 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
728 -mpretend-cmove): New.
730 2012-02-29 Jakub Jelinek <jakub@redhat.com>
733 * df.h (struct df_d): Adjust comment that hard_regs_live_count
734 doesn't count DEBUG_INSN refs.
735 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
738 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
742 2012-02-20 Richard Guenther <rguenther@suse.de>
743 PR tree-optimization/52298
744 * tree-vect-stmts.c (vectorizable_load): Properly use
745 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
748 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
751 * gimple.h (gimple_in_transaction): New.
752 (gimple_set_in_transaction): New.
753 (struct gimple_statement_base): Add in_transaction field.
754 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
756 (tree_ssa_lim_initialize): Compute transaction bits.
757 * tree.h (compute_transaction_bits): Protoize.
758 * trans-mem.c (tm_region_init): Use the heap to store BB
760 (compute_transaction_bits): New.
762 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
764 * gcc.c (display_help): Document --help=common and sort entries
767 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
769 * doc/install.texi: Document check-$LANG specific shortcuts
771 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
774 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
776 * config/arm/arm_neon.h: Regenerate.
777 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
778 (neon_vcgeu): New insn.
779 (neon_vcgtu): Likewise.
780 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
781 (ops): Unsigned comparison intrinsics call a different
784 2012-02-28 Richard Guenther <rguenther@suse.de>
787 * config/i386/i386.c (ix86_expand_vector_set): Fix element
788 ordering for the VEC_CONCAT for two element vectors for
789 V2SFmode, V2SImode and V2DImode.
791 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
794 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
795 detecting big-endian triplets.
797 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
799 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
800 mode if there is no type information available.
802 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
804 PR tree-optimization/53207
805 * doc/invoke.texi: Document as experimental and relying on graphite.
807 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
809 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
810 of initializer to changes from r184614.
812 2012-02-28 Richard Guenther <rguenther@suse.de>
814 PR tree-optimization/52395
815 * tree-sra.c (build_ref_for_offset): Also look at the base
816 TYPE_ALIGN when figuring out the alignment of the replacement.
818 2012-02-28 Richard Guenther <rguenther@suse.de>
820 PR tree-optimization/52402
821 * ipa-prop.c (ipa_modify_call_arguments): Properly use
822 mis-aligned types when creating the accesses at the call site.
824 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
826 * config/avr/builtins.def: New file.
827 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
828 * config/avr/avr.c (enum avr_builtin_id): Use it.
829 (avr_init_builtins): Use it. And use avr_bdesc.
830 (bdesc_1arg): Remove.
831 (bdesc_2arg): Remove.
832 (bdesc_3arg): Remove.
833 (struct avr_builtin_description): Add field n_args.
834 (avr_bdesc): New static variable using builtins.def.
835 (avr_expand_builtin): Use it.
836 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
837 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
838 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
840 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
843 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
844 match only one single hard register with respective hard reg rtx.
845 (movmemx_<mode>): Ditto.
846 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
847 insn anatomy of movmem[x]_<mode>.
848 (avr_out_movmem): Same for printing assembler and operand usage.
850 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
854 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
855 address spaces located outside of device flash.
857 * config/avr/avr.h (base_arch_s): Remove field n_segments.
858 (mcu_type_s): Add field n_flash.
859 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
860 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
861 (AVR_MCU): Add N_FLASH argument.
862 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
863 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
864 macro __FLASH<n> if that address space makes sense for the device.
865 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
866 outside of target flash.
867 (avr_asm_named_section): Ditto.
868 (avr_asm_select_section): Ditto.
869 (avr_addr_space_convert): Ditto.
870 (avr_emit_movmemhi): Ditto.
871 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
872 address space is outside of device flash.
873 (avr_insert_attributes): Ditto.
874 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
875 avr_current_arch->n_segments.
877 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
880 * config/i386/i386.md (*movabs<mode>_1): Enable only for
882 (*movabs<mode>_2): Likewise.
884 2012-02-27 Jakub Jelinek <jakub@redhat.com>
887 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
888 s_register_operand in the test instead of REG_P. Don't call
889 gen_reg_rtx if it won't be used.
891 PR tree-optimization/52376
892 * ipa-split.c (split_function): Ignore CLOBBER stmts.
894 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
896 * ifcvt.c (noce_get_condition): Check condition variable is not
897 small_register_classes_for_mode_p before accepting.
899 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
901 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
903 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
906 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
907 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
909 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
911 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
913 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
915 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
917 * config/sh/predicates.md: Remove blank lines.
918 * config/sh/sh.c: Fix typos in comments.
919 * config/sh/constraints.md: Likewise.
920 * config/sh/sh.md: Remove blank lines.
921 Fix typos in comments. Use ;; as comment characters.
923 2012-02-26 Walter Lee <walt@tilera.com>
925 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
926 (replace_mov_pcrel_step2): Ditto.
928 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
931 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
932 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
933 and locs that reference values newer than the non-canonical value
934 at hand. Return the canonical value as a worst case.
935 (memrefs_conflict_p): Walk canonical value's locs.
938 * cselib.c (preserve_only_constants): Rename to...
939 (preserve_constants_and_equivs): ... this. Split out...
940 (invariant_or_equiv_p): ... this. Preserve plus expressions
941 of other preserved expressions too.
942 (cselib_reset_table): Adjust.
943 * var-tracking.c (reverse_op): Use canonical value to build
946 2012-02-23 Kai Tietz <ktietz@redhat.com>
948 * config/i386/i386.c (ix86_delegitimize_address): Handle
949 UNSPEC_PCREL plus displacement.
951 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
954 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
955 to test for unusedness in st X addressing.
957 2012-02-24 Richard Guenther <rguenther@suse.de>
960 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
961 (is_gimple_reg_type): Move inline ...
962 * gimple.h (is_gimple_reg_type): ... here.
964 2012-02-24 Richard Guenther <rguenther@suse.de>
967 * passes.c (execute_function_todo): When verifying SSA form
968 verify gimple form first.
969 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
971 2012-02-24 Richard Guenther <rguenther@suse.de>
974 * fold-const.c (fold_addr_of_array_ref_difference): New function.
975 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
977 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
979 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
981 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
983 * tree-phinodes.c (make_phi_node): Mark static.
984 * tree-flow.h (make_phi_node): Remove extern decl.
985 * doc/gimple.texi (make_phi_node): Remove documentation.
987 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
989 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
990 * tree-ssa-sccvn.c (print_scc): Ditto.
992 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
994 * doc/passes.texi (Full redundancy elimination): Fix typo.
996 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
998 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1000 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1003 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1005 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1008 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1010 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1012 * config/avr/avr.md (code_stdname): Add ior, xor.
1013 (xior): New code iterator.
1014 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1015 (*<code_stdname><mode>qi.byte1-3): Ditto.
1017 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1019 PR tree-optimization/52019
1020 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1023 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1025 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1026 HAVE_INITFINI_ARRAY to work around namespace pollution in
1027 certain versions of newlib system headers.
1028 * config.in: Regenerate.
1029 * configure: Regenerate.
1030 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1031 instead of HAVE_INITFINI_ARRAY.
1033 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1036 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1037 is not offsettable memory reference.
1039 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1042 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1043 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1045 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1047 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1048 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1050 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1052 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1053 library on Solaris 8 even without TLS support.
1054 * configure: Regenerate.
1056 2012-02-22 Richard Guenther <rguenther@suse.de>
1059 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1060 for GIMPLE_DEBUG stmts.
1062 2012-02-22 Martin Jambor <mjambor@suse.cz>
1065 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1066 according to the base object.
1068 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1070 PR rtl-optimization/50063
1071 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1072 and 2 (8-bit SP) in operand 2.
1073 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1074 setup to use movhi_sp_r instead of vanilla move to write SP.
1075 Adjust REG_CFA notes to superseed unspec.
1076 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1078 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1079 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1080 irq_state 1 (IRQ known to be on) here.
1082 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1084 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1086 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1087 assign_hard_reg): Likewise.
1089 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1091 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1093 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1096 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1097 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1099 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1101 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1102 prototype from here to...
1103 * config/avr/avr.h: ...here.
1105 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1108 * thumb2.md (thumb2_shiftsi3_short): Split register and
1109 immediate shifts. For register shifts tie operands 0 and 1.
1110 (peephole2 for above): Check that register-controlled shifts
1111 have suitably tied operands.
1113 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1116 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1117 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1118 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1119 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1120 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1121 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1122 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1123 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1124 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1125 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1126 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1127 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1128 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1129 bdver1_ssevector_avx256_unaligned_load,
1130 bdver1_ssevector_sse128_unaligned_load,
1131 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1132 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1133 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1134 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1135 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1136 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1137 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1138 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1139 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1140 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1141 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1142 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1143 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1144 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1145 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1146 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1147 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1148 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1149 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1150 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1151 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1152 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1153 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1154 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1155 bdver1_ssediv_double_load, bdver1_ssediv_double,
1156 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1157 Add "bdver2" attribute.
1159 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1161 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1162 default if possible and not specified otherwise.
1164 2012-02-21 Richard Guenther <rguenther@suse.de>
1167 * gimplify.c (create_tmp_from_val): Use the main variant type
1168 for the type of the temporary we create.
1170 2012-02-21 Richard Guenther <rguenther@suse.de>
1172 PR tree-optimization/52324
1173 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1174 do not gimplify a MEM_REF address operand if it is already
1177 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1179 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1180 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1182 2012-02-21 Richard Guenther <rguenther@suse.de>
1184 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1185 nested_in_vect_loop.
1187 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1189 PR tree-optimization/52318
1190 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1191 vdef also to non-pure/const call stmts in the sequence.
1193 2012-02-20 David S. Miller <davem@davemloft.net>
1195 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1196 don't use the "rd %pc" instruction on v9 for PIC register loads.
1198 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1201 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1202 in a transaction safe function.
1204 2012-02-20 Kai Tietz <ktietz@redhat.com>
1207 * stor-layout.c (place_field): Handle desired_align for
1210 2012-02-20 Richard Guenther <rguenther@suse.de>
1212 PR tree-optimization/52298
1213 * tree-vect-stmts.c (vectorizable_store): Properly use
1214 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1216 (vectorizable_load): Likewise.
1217 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1218 Access DR_STEP after ensuring it is not NULL.
1220 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1222 PR tree-optimization/52286
1223 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1224 optimization use double_int_to_tree instead of build_int_cst_wide,
1225 rewrite to use double_int vars.
1227 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1230 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1232 Remove -e 0 from $gcc_cv_ld invocation.
1233 Only use __GLIBC_PREREQ if defined.
1234 Enable on Solaris since Solaris 8 patch.
1235 (gcc_SUN_LD_VERSION): New macro.
1236 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1237 gcc_SUN_LD_VERSION for version number format.
1238 * configure: Regenerate.
1239 * varasm.c (get_elf_initfini_array_priority_section): Set
1240 SECTION_NOTYPE for non-default priority.
1241 Use get_section instead of get_unnamed_section to emit
1242 .init_array/.fini_array with default priority.
1244 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1246 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1247 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1248 (mips_start_unique_function, mips_output_mips16_rdhwr)
1249 (mips_code_end): New functions.
1250 (TARGET_ASM_CODE_END): Define.
1252 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1254 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1255 to stubs with non-sibling calls.
1257 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1259 * doc/invoke.texi (-fira-* options): Copy-edit.
1260 (ira-* parameters): Copy-edit.
1262 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1264 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1265 GCC coding conventions.
1267 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1269 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1270 when used as adjectives.
1272 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1274 * doc/invoke.texi: Clean up "that"/"which" confusion.
1276 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1278 * system.h: Poison SMALL_REGISTER_CLASSES
1279 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1280 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1282 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1284 PR tree-optimization/52285
1285 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1286 when deciding if a call is a tail call or tail recursion.
1288 2012-02-16 Kai Tietz <ktietz@redhat.com>
1290 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1291 interger-constant displacement for UNSPEC_PCREL.
1293 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1295 PR rtl-optimization/52208
1296 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1297 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1299 PR tree-optimization/52255
1300 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1301 loop->header has virtual PHI, but exit_e->dest doesn't, add
1302 virtual PHI to exit_e->dest and adjust all uses after the loop.
1305 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1306 children with clone_tree_hash, not after it.
1308 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1310 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1311 extended identifiers.
1313 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1316 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1317 a same_body_alias, also test whether e->callee isn't a former
1318 or current clone of the decl this is a same body alias of.
1320 PR translation/52264
1321 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1323 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1325 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1327 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1330 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1331 force_reg instead of copy_to_reg for better optimization. Force
1332 non-register or memory operands into a register.
1334 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1336 * extend.texi: Reserve upper bits of memory model for future use.
1338 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1339 Anatoly Sokolov <aesok@post.ru>
1340 Eric Weddington <eric.weddington@atmel.com>
1343 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1344 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1345 Rewrite initializers for .macro.
1346 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1347 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1348 atxmega32d4, atxmega32x1.
1349 avrxmega4: atxmega64a3, atxmega64d3.
1350 avrxmega5: atxmega64a1, atxmega64a1u.
1351 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1352 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1353 avrxmega7: atxmega128a1, atxmega128a1u.
1354 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1355 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1356 (struct base_arch_s): Rename reserved to xmega_p.
1357 Rename reserved2 to have_rampd.
1358 (AVR_XMEGA): New define.
1359 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1360 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1361 * config/avr/predicates.md (io_address_operand): Take into
1363 (low_io_address_operand): Ditto.
1364 (high_io_address_operand): Ditto.
1365 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1366 (enabled, movhi_sp_r): Use them.
1367 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1368 cpp_define_formatted to built-in define __AVR_ARCH__.
1369 (__AVR_XMEGA__): New built-in define.
1370 (__AVR_HAVE_RAMPD__): New built-in define.
1371 (__AVR_HAVE_RAMPX__): New built-in define.
1372 (__AVR_HAVE_RAMPY__): New built-in define.
1373 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1375 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1376 (avr_option_override): Initialize them.
1377 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1378 (avr_init_expanders): Initialize them. No more block several calls.
1379 (emit_push_sfr): New static function.
1380 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1382 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1383 (avr_print_operand): Print addreeses as symbols for
1384 RAMPX, RAMPY, RAMPD, CCP.
1385 (output_movhi): Handle AVR_XMEGA when writing to SP.
1386 (avr_out_movhi_mr_r_xmega): New static function.
1387 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1388 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1389 __RAMPD__, __CCP__ as needed.
1391 * config/avr/multilib.h: Regenerate.
1392 * config/avr/t-multilib: Regenerate.
1393 * config/avr/avr-tables.opt: Regenerate.
1395 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1397 PR tree-optimization/50561
1398 * graphite-flattening.c (lst_project_loop): Do not
1399 remove old scattering dimensions after flattening.
1400 (lst_do_flatten): Likewise.
1402 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1404 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1405 __builtin_avr_map8, __builtin_avr_map16.
1406 Document __builtin_avr_insert_bits.
1408 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1409 (insert_bits): New insn.
1410 (adjust_len.map_bits): Rename to insert_bits.
1411 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1412 * avr-protos.h (avr_out_map_bits): Remove.
1413 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1414 * config/avr/constraints.md (Cxf,C0f): New.
1415 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1416 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1417 New built-in define __BUILTIN_AVR_INSERT_BITS.
1418 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1419 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1420 (avr_move_bits): Rewrite.
1421 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1423 (avr_map_op_t): New typedef.
1424 (avr_map_op): New static variable.
1425 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1426 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1427 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1428 (bdesc_3arg, avr_expand_triop_builtin): New.
1429 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1430 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1431 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1432 (avr_map_equal_p, avr_map_sig_p): Remove.
1433 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1434 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1435 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1436 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1437 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1438 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1440 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1442 * config/c6x/c6x.md (reserve_cycles): New attribute.
1443 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1444 don't reserve functional units after the branch occurs.
1446 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1449 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1450 functions into non-tm_pure functions.
1452 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1455 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1456 (iterative_hash_canonical_type): Likewise.
1457 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1460 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1462 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1463 sched-group insn, it either remains alone or the entire list is pruned.
1465 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1467 * doc/install.texi (Prerequisites): Fix grammar.
1468 (Configuration): Likewise.
1470 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1472 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1473 MPC as part of GCC before describing configuring with --with-gmp etc.
1474 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1475 sources are present.
1477 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1480 * dwarf2out.c (clone_tree_hash): New function.
1481 (copy_decls_walk): Use it instead of clone_tree.
1483 2012-02-14 Richard Guenther <rguenther@suse.de>
1485 PR tree-optimization/52244
1486 PR tree-optimization/51528
1487 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1488 replacements for integral types.
1490 2012-02-14 Walter Lee <walt@tilera.com>
1492 * config.gcc: Handle tilegx and tilepro.
1493 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1495 Add HAVE_AS_TLS check for tilegx and tilepro.
1496 * configure: Regenerate.
1497 * doc/contrib.texi: Add Mat Hostetter and self.
1498 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1499 Document instruction intrinsics and network accessing intrinsics.
1500 (TILEPro Built-in Functions): New node. Document instruction
1501 intrinsics and network accessing intrinsics.
1502 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1503 (Specific, tilepro-*-linux*): Likewise.
1504 * doc/invoke.texi (TILE-Gx Options): New section.
1505 (TILEPro Options): New section.
1506 * doc/md.texi (TILE-Gx): New section.
1507 (TILEPro): New section.
1508 * common/config/tilegx/tilegx-common.c: New file.
1509 * common/config/tilepro/tilepro-common.c: New file.
1510 * config/tilegx/constraints.md: New file.
1511 * config/tilegx/linux.h: New file.
1512 * config/tilegx/mul-tables.c: New file.
1513 * config/tilegx/predicates.md: New file.
1514 * config/tilegx/sync.md: New file.
1515 * config/tilegx/t-tilegx: New file.
1516 * config/tilegx/tilegx-builtins.h: New file.
1517 * config/tilegx/tilegx-c.c: New file.
1518 * config/tilegx/tilegx-generic.md: New file.
1519 * config/tilegx/tilegx-modes.def: New file.
1520 * config/tilegx/tilegx-multiply.h: New file.
1521 * config/tilegx/tilegx-protos.h: New file.
1522 * config/tilegx/tilegx.c: New file.
1523 * config/tilegx/tilegx.h: New file.
1524 * config/tilegx/tilegx.md: New file.
1525 * config/tilegx/tilegx.opt: New file.
1526 * config/tilepro/constraints.md: New file.
1527 * config/tilepro/gen-mul-tables.cc: New file.
1528 * config/tilepro/linux.h: New file.
1529 * config/tilepro/mul-tables.c: New file.
1530 * config/tilepro/predicates.md: New file.
1531 * config/tilepro/t-tilepro: New file.
1532 * config/tilepro/tilepro-builtins.h: New file.
1533 * config/tilepro/tilepro-c.c: New file.
1534 * config/tilepro/tilepro-generic.md: New file.
1535 * config/tilepro/tilepro-modes.def: New file.
1536 * config/tilepro/tilepro-multiply.h: New file.
1537 * config/tilepro/tilepro-protos.h: New file.
1538 * config/tilepro/tilepro.c: New file.
1539 * config/tilepro/tilepro.h: New file.
1540 * config/tilepro/tilepro.md: New file.
1541 * config/tilepro/tilepro.opt: New file.
1543 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1545 PR tree-optimization/52210
1546 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1547 vect_model_simple_cost with two entry vect_def_type array instead
1548 of an address of dt.
1550 2012-02-14 Richard Guenther <rguenther@suse.de>
1553 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1554 Do not stream DECL_QUALIFIER.
1555 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1556 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1557 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1559 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1562 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1565 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1568 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1569 * cselib.c (cselib_subst_to_values_from_insn): New function.
1570 * sched-deps.c (add_insn_mem_dependence,
1571 sched_analyze_1, sched_analyze_2): Use it.
1573 2012-02-13 Jan Hubicka <jh@suse.cz>
1576 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1578 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1580 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1581 (GTM_SELF_SPECS): Define if not already defined.
1582 (driver_self_specs): Add GTM_SELF_SPECS.
1583 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1584 (GTM_SELF_SPECS): Define.
1585 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1586 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1588 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1590 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1593 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1596 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1597 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1599 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1602 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1604 2012-02-13 Richard Guenther <rguenther@suse.de>
1606 PR translation/52211
1607 * passes.c (enable_disable_pass): Fix typo.
1609 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1612 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1613 XOR for reduce_bit_field if type is unsigned.
1615 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1617 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1618 disallow changes from SFmode to mode with different size in FP regs.
1620 2012-02-12 Robert Millan <rmh@gnu.org>
1621 Gerald Pfeifer <gerald@pfeifer.com>
1623 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1626 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1628 PR rtl-optimization/52175
1629 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1630 to frame-related instructions.
1632 2012-02-10 Jason Merrill <jason@redhat.com>
1635 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1636 (demangle_new_symbols): Fill it.
1637 (scan_linker_output): Walk it.
1638 (start_tweaking): Split out from scan_linker_output.
1639 (maybe_tweak): Update sym->chosen.
1640 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1642 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1645 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1647 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1649 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1650 having the same mode as previous compare.
1652 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1654 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1655 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1656 (nonlocal_goto_internal): Likewise.
1657 (nonlocal_goto): Emit a use and an indirect jump directly.
1659 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1662 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1663 __atomic_{is,always}_lock_free.
1665 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1668 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1669 negative constant address for x32.
1671 2012-02-10 Richard Henderson <rth@redhat.com>
1673 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1674 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1675 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1677 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1678 Ira Rosen <irar@il.ibm.com>
1680 PR tree-optimization/50031
1681 * targhooks.c (default_builtin_vectorization_cost): Handle
1683 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1684 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1685 all types of reduction and pattern statements.
1686 (vect_estimate_min_profitable_iters): Likewise.
1687 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1688 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1689 for explicit realigns.
1690 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1691 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1693 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1694 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1695 vec_perm for VSX and handle vec_promote_demote.
1697 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1700 * builtins.c (fold_builtin_atomic_always_lock_free,
1701 expand_builtin_atomic_always_lock_free,
1702 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1703 Return and/or test boolean_true_node/boolean_false_node instead of
1704 integer_one_node/integer_zero_node.
1706 2012-02-10 Jan Hubicka <jh@suse.cz>
1709 * predict.c (predict_paths_for_bb): Prevent looping.
1710 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1712 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1714 * config/arm/arm.c (output_move_double): In one case properly
1715 count number of instructions that will be emitted.
1717 2012-02-10 Richard Guenther <rguenther@suse.de>
1719 PR translation/52193
1720 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1722 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1725 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1727 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1730 * var-tracking.c (emit_note_insn_var_location): If
1731 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1732 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1733 non-NOTE_DURING_CALL_P insn.
1735 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1738 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1740 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1743 * gcc.c (switch_matches) Support switches with separated form,
1746 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1748 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1750 (RAMPZ_ADDR): Ditto.
1751 * config/avr/avr.c (avr_addr_t): New typedef.
1752 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1753 (avr_init_expanders): Initialize it.
1754 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1756 (expand_epilogue): Ditto.
1757 (avr_print_operand): Ditto.
1758 (avr_file_start): Ditto.
1759 (avr_emit_movmemhi): Ditto.
1761 2012-02-08 Richard Guenther <rguenther@suse.de>
1763 PR tree-optimization/46886
1764 * tree-flow.h (do_while_loop_p): Declare.
1765 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1766 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1768 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1770 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1771 always succeed for integers larger than a native word.
1773 2012-02-08 Richard Guenther <rguenther@suse.de>
1775 PR rtl-optimization/52170
1776 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1777 properly handle integer vector modes.
1779 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1781 PR gcov-profile/52150
1782 * coverage.c: Include target.h.
1783 (build_var): Call targetm.strip_name_encoding on the assembler name.
1784 Change one _ into . or $ if the target allows it.
1785 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1787 PR rtl-optimization/52139
1788 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1789 is a BARRIER after emit_insn_after_noloc, move BB_END
1790 to the last non-BARRIER insn before it.
1792 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1795 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1796 (mips_gimplify_va_arg_expr): Call it instead of
1797 std_gimplify_va_arg_expr.
1799 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1801 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1802 message for -mno-pointers-to-nested-function.
1804 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1807 * expr.c (get_inner_reference): If there is an offset, add a negative
1808 bit position to it (if any).
1810 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1812 PR rtl-optimization/52060
1813 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1814 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1815 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1816 and/or i0src_copy2 when needed.
1818 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1820 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1821 or LTOPLUGINSONAME if have_c.
1823 * config/freebsd-spec.h: Add comment about what macros can be defined
1825 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1826 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1829 2012-02-07 Richard Guenther <rguenther@suse.de>
1831 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1832 newline in -alias dumps.
1834 2012-02-07 Kai Tietz <ktietz@redhat.com>
1835 Dave Korn <dave.korn.cygwin@gmail.com>
1838 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1839 Take care that typinfo gets dllexport-attribute.
1841 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1844 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1845 if modifier < EXPAND_SUM call force_operand on the result.
1847 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1849 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1850 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1852 (epiphany_function_type): Replace types for specific interrupts with
1853 EPIPHANY_FUNCTION_INTERRUPT.
1854 (EPIPHANY_INTERRUPT_P): Update.
1855 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1856 New static function.
1857 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1858 <disinterrupt>: Affects type identity.
1859 (epiphany_handle_interrupt_attribute): Handle variable number of
1861 (epiphany_compute_function_type): Update for new
1862 epiphany_function_type definition.
1863 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1864 handlers with a longcall forwarder.
1865 (epiphany_start_function): Handle multiple interrupt arguments and/or
1866 forwarder_section attribute.
1868 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1871 2012-02-07 Alan Modra <amodra@gmail.com>
1874 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1877 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1879 PR tree-optimization/50969
1880 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1881 use vec_perm rather than vector_stmt.
1882 (vect_model_load_cost): Likewise.
1883 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1884 vec_perm to be the same as other vector statements.
1885 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1886 cost of vec_perm for TARGET_VSX.
1888 2012-02-06 Richard Guenther <rguenther@suse.de>
1890 PR tree-optimization/52115
1891 * tree-sra.c (access_has_replacements_p): New function.
1892 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1894 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1897 * trans-mem.c (expand_call_tm): Add an assertion.
1898 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1901 2012-02-06 Richard Guenther <rguenther@suse.de>
1903 PR tree-optimization/50955
1904 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1905 raise cost of expressions that replace an address with an
1906 expression based on a different pointer.
1908 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1911 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1912 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1914 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1917 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1918 -Weffc++ and specify guidelines come from second edition.
1920 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1922 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1923 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1924 (call_direct_split, call_value_split, call_value_internal_direct)
1925 (call_value_direct_split, call_value_multiple_split): Use jal and
1926 jal_macro attributes.
1928 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1930 * reload1.c (reload_regs_reach_end_p): Replace with...
1931 (reload_reg_rtx_reaches_end_p): ...this function.
1932 (new_spill_reg_store): Update commentary.
1933 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1934 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1935 before setting new_spill_reg_store.
1936 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1937 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1938 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1939 for non-spill reload registers.
1941 2012-02-05 Ira Rosen <irar@il.ibm.com>
1943 PR tree-optimization/52091
1944 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1945 (vect_is_simple_use_1): Likewise.
1946 * tree-vect-loop.c (vectorizable_reduction): Update calls
1947 to vect_is_simple_use_1 and vect_is_simple_use.
1948 (vectorizable_live_operation): Likewise.
1949 * tree-vect-patterns.c (widened_name_p,
1950 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1951 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1952 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1953 vectorizable_shift,vectorizable_operation, vectorizable_store,
1954 vectorizable_load): Likewise.
1955 (vect_is_simple_cond): Add an argument, pass it to
1956 vect_is_simple_use_1.
1957 (vectorizable_condition): Update calls to vect_is_simple_cond,
1959 (vect_is_simple_use): Add an argument, the statement in which
1960 OPERAND is used. Check that if OPERAND's def stmt is a double
1961 reduction phi node, the use is a phi node too.
1962 (vect_is_simple_use_1): Add an argument, pass it to
1964 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1965 to vect_is_simple_use.
1967 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1969 PR rtl-optimization/52095
1970 * modulo-sched.c (dump_insn_locator): New function.
1971 (loop_canon_p, sms_schedule): Use it.
1973 PR rtl-optimization/52113
1974 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1975 even for decomposable shift/zext insns.
1977 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1978 Zdenek Dvorak <ook@ucw.cz>
1980 PR rtl-optimization/52092
1981 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1982 on get_iv_value result.
1984 2012-02-02 Andrew Pinski <apinski@cavium.com>
1988 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1990 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1993 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1995 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1997 PR rtl-optimization/49800
1998 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1999 (sched_finish): Call regstat_free_n_sets_and_refs.
2001 2012-02-02 Jia Liu <proljc@gmail.com>
2003 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2006 2012-02-02 Jan Hubicka <jh@suse.cz>
2007 Tom de Vries <tom@codesourcery.com>
2010 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2011 * varpool.c (varpool_analyze_pending_decls): Likewise.
2013 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2014 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2016 * config.gcc: Add cr16-* support.
2018 * doc/extend.texi: Document cr16 extensions.
2019 * doc/install.texi: Document cr16 install.
2020 * doc/invoke.texi: Document cr16 options.
2021 * doc/md.texi: Document cr16 constraints.
2023 * common/config/cr16/cr16-common.c: New file.
2024 * config/cr16/cr16.c: New file.
2025 * config/cr16/cr16.h: New file.
2026 * config/cr16/cr16.md: New file.
2027 * config/cr16/cr16.opt: New file.
2028 * config/cr16/cr16-protos.h: New file.
2029 * config/cr16/predicates.md: New file.
2030 * config/cr16/constraints.md: New file.
2031 * config/cr16/t-cr16: New file.
2033 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2036 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2037 that operands[2] is either immediate, or q_regs_operand.
2039 PR tree-optimization/52073
2040 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2041 a pattern stmt for pattern uses, ignore uses outside of the loop.
2043 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2045 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2046 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2047 (OUT_AS1, OUT_AS2): Remove.
2049 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2051 PR rtl-optimization/51374
2052 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2053 to cross other volatile_refs_p insns.
2055 2012-02-01 Richard Guenther <rguenther@suse.de>
2057 * doc/invoke.texi (fno-inline): Clarify documentation.
2058 (finline-small-functions): Likewise.
2059 (finline-functions): Likewise.
2060 * common.opt (finline): Adjust comment and documentation.
2061 (finline-small-functions): Clarify documentation.
2062 (finline-functions): Likewise.
2063 (finline-functions-called-once): Likewise.
2065 2012-02-01 Tristan Gingold <gingold@adacore.com>
2067 * c-typeck.c (composite_type): Keep mode for pointers.
2069 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2071 * function.h (regno_reg_rtx): Adjust comment.
2072 * reginfo.c (init_reg_modes_target): Only use the previous mode
2073 if it fits within one register. Remove MIPS comment.
2075 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2078 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2080 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2082 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2083 to srak instruction.
2085 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2087 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2089 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2094 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2096 2012-01-31 Richard Guenther <rguenther@suse.de>
2098 PR tree-optimization/51528
2099 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2102 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2107 * ree.c (add_removable_extension): Change def_map argument
2108 to unsigned *, store in def_map 1 + offset into *insn_list vector
2109 instead of pointers into the vector.
2110 (find_removable_extensions): Adjust caller.
2112 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2114 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2115 Transform all "* quoted-c-code" to { c-code }.
2116 Remove redundant test for "optimize" in combine patterns.
2117 Move (include "avr-dimode.md") to end of file.
2119 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2122 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2123 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2125 2012-01-30 Richard Guenther <rguenther@suse.de>
2127 PR tree-optimization/52028
2128 * tree-loop-distribution.c (ldist_gen): Properly update
2131 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2134 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2135 set_cur_line_info_table if not emitting debug info.
2137 PR tree-optimization/52046
2138 * tree-vect-patterns.c (check_bool_pattern): Give up if
2139 a comparison could throw.
2142 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2144 2012-01-30 Richard Guenther <rguenther@suse.de>
2146 PR tree-optimization/52045
2147 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2148 SSA form if cfgcleanup did anything.
2150 2012-01-30 Richard Guenther <rguenther@suse.de>
2152 PR tree-optimization/52045
2153 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2154 before computing final todo.
2156 2012-01-30 Richard Guenther <rguenther@suse.de>
2158 PR tree-optimization/51528
2159 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2162 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2164 * df-problems.c (df_kill_notes): Check that the use refers
2165 to the note under examination.
2167 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2170 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2171 parameter and use short-lived pseudos.
2172 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2173 (sparc_expand_vector_init): Const-ify local variables and adjust
2174 calls to above functions.
2176 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2178 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2180 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2182 * doc/invoke.texi: Make usage of "compile time" and
2183 "run time"/"runtime" consistent throughout the file.
2185 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2187 * config/alpha/alpha.c (alpha_option_override): Default to
2188 full IEEE compliance mode for Go language.
2190 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2192 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2193 (LINK_SSP_SPEC): Define.
2195 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2198 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2201 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2203 * doc/invoke.texi: Correct hyphenation of "floating point",
2204 "double precision", and related terminology throughout the file.
2206 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2209 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2210 arm_general_register_operand predicate for operand 2 instead of
2213 2012-01-27 Ian Lance Taylor <iant@google.com>
2216 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2217 * builtins.c (expand_builtin_init_trampoline): Add onstack
2218 parameter. Change caller.
2219 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2220 * tree.c (build_common_builtin_nodes): Declare
2221 __builtin_init_heap_trampoline.
2223 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2225 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2226 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2227 * config/avr/avr.c: Ditto.
2228 (avr_regnames): Remove because unused.
2229 * config/avr/avr.md (*cpse.ne): New peephole.
2230 (*cpse.eq): New peephole from former cpse peepholes.
2232 2012-01-27 Michael Eager <eager@eagercon.com>
2234 * config/microblaze.c (microblaze_emit_compare): Correct
2235 test after pcmp instruction.
2237 2012-01-27 Richard Guenther <rguenther@suse.de>
2239 PR tree-optimization/52020
2240 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2242 2012-01-27 Richard Guenther <rguenther@suse.de>
2244 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2245 function non-const/pure.
2247 2012-01-27 Richard Guenther <rguenther@suse.de>
2249 PR tree-optimization/50444
2250 * tree-sra.c (build_ref_for_offset): Properly adjust the
2251 MEM_REF type for unaligned accesses.
2253 2012-01-27 Richard Guenther <rguenther@suse.de>
2255 PR tree-optimization/50444
2256 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2257 (expand_assignment): Use it. Properly handle misaligned
2258 bases when expanding stores to component references.
2259 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2262 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2265 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2266 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2267 * tree-data-ref.c (find_data_references_in_loop): Make static.
2268 (compute_all_dependences): Change return type to bool. Bail out
2269 for too many datarefs in a loop. Move the hunk resetting the data
2270 dependences vector from ...
2271 (compute_data_dependences_for_loop): ... here. Account for
2272 compute_all_dependences returning false.
2273 (compute_data_dependences_for_bb): Likewise.
2274 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2275 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2277 2012-01-27 Richard Guenther <rguenther@suse.de>
2280 * expr.c (store_field): Use the alias-set of the scratch memory
2283 2012-01-27 Tom de Vries <tom@codesourcery.com>
2285 PR tree-optimization/51990
2286 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2288 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2290 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2293 * var-tracking.c (reverse_op): Don't add any reverse operation
2294 if V already has any constant locations.
2296 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2298 * doc/invoke.texi: Correct usage of "command line" (noun)
2299 vs "command-line" (adjective) throughout.
2301 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2303 * doc/invoke.texi (Language Independent Options): Move
2304 -Wcoverage-mismatch blurb from here....
2305 (Warning Options): ...to here.
2307 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2309 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2310 Set rs6000_always_hint to false for 476.
2312 2012-01-27 Matthias Klose <doko@ubuntu.com>
2314 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2316 * incpath.c (add_standard_paths): Likewise.
2318 2012-01-27 Richard Henderson <rth@redhat.com>
2320 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2321 * config/m68k/sync.md (atomic_test_and_set): Rename from
2322 sync_test_and_setqi and adjust the operands.
2323 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2324 and unconditionally enable.
2326 2012-01-27 Richard Henderson <rth@redhat.com>
2328 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2329 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2330 (ldstub): Rename from ldstubqi.
2331 (ldstub<I24MODE>): Remove.
2333 2012-01-27 Richard Henderson <rth@redhat.com>
2335 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2336 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2337 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2338 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2339 * doc/tm.texi: Rebuild.
2341 2012-01-27 Richard Henderson <rth@redhat.com>
2343 * optabs.c (gen_atomic_test_and_set): Remove default.
2344 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2346 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2348 PR rtl-optimization/51978
2349 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2350 (combine_reaching_defs): Likewise.
2351 (struct re_info): Remove.
2352 (add_removable_extension): Remove x and data arguments,
2353 add insn, insn_list and def_map. Use the arguments directly
2354 instead of using struct re_info.
2355 (find_removable_extensions): Don't call add_removable_extension
2356 through note_stores, instead just call it with single_set
2358 (find_and_remove_re): Pass curr_cand->expr instead of
2359 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2361 2012-01-26 Michael Matz <matz@suse.de>
2363 PR tree-optimization/46590
2364 * cfgexpand.c: Revert last change (r183305).
2365 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2367 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2368 checking for emptiness.
2370 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2373 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2374 non-addressable non-BLKmode base correctly.
2376 2012-01-26 Michael Matz <matz@suse.de>
2378 PR tree-optimization/48794
2379 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2380 regions referenced from RESX/EH_DISPATCH.
2382 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2384 * config/s390/s390.h: Make BRANCH_COST an option.
2385 * config/s390/s390.opt: New option -mbranch-cost.
2387 2012-01-26 Richard Henderson <rth@redhat.com>
2389 Revert 2012-01-24 change:
2390 * trans-mem.c (requires_barrier): Do not instrument thread local
2391 variables and emit save/restore for them.
2393 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2396 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2399 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2401 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2404 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2407 Rename __pgm to __flash.
2408 Rename __pgm1 to __flash1.
2409 Rename __pgm2 to __flash2.
2410 Rename __pgm3 to __flash3.
2411 Rename __pgm4 to __flash4.
2412 Rename __pgm5 to __flash5.
2413 Rename __pgmx to __memx.
2414 * doc/extend.texi (AVR Named Address Spaces)
2415 Rename address space names as indicated above.
2416 * config/avr/avr.c (avr_addrspace): Ditto.
2418 * config/avr/avr-protos.h
2419 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2420 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2421 * config/avr/predicates.md: Ditto.
2422 * config/avr/avr.c Ditto, and
2423 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2424 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2426 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2427 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2428 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2429 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2430 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2431 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2432 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2433 * config/avr/avr.c: Ditto.
2434 * config/avr/avr.md: Ditto.
2436 2012-01-25 Jason Merrill <jason@redhat.com>
2439 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2441 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2443 PR tree-optimization/51987
2444 * tree-data-ref.c (get_references_in_stmt): Handle references in
2445 non-volatile GIMPLE_ASM.
2447 2012-01-25 Richard Guenther <rguenther@suse.de>
2449 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2450 bases are dereferenced.
2452 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2454 PR rtl-optimization/48374
2455 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2457 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2459 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2460 compute_data_dependences_for_loop returns false.
2461 * tree-parloops.c (loop_parallel_p): Likewise.
2463 2012-01-25 Richard Guenther <rguenther@suse.de>
2465 * tree.h (get_pointer_alignment_1): Declare.
2466 * builtins.c (get_pointer_alignment_1): New function.
2467 (get_pointer_alignment): Use it.
2469 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2471 PR rtl-optimization/48308
2472 * combine.c (enum undo_kind): Add UNDO_LINKS.
2473 (struct undo): Add member l to other_contents and where.
2474 (do_SUBST_LINK): New.
2476 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2477 (undo_all): Handle UNDO_LINKS.
2479 2012-01-25 Richard Henderson <rth@redhat.com>
2481 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2484 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2486 * optabs.c (gen_atomic_test_and_set): Use each argument.
2488 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2490 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2491 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2492 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2493 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2494 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2495 TARGET_PAIRED_SINGLE_FLOAT.
2497 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2499 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2500 (in_struct, return_val): Remove MEM documentation.
2501 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2502 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2503 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2505 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2506 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2507 * expr.c (store_field): Likewise.
2508 * function.c (assign_stack_temp_for_type): Likewise.
2509 * ifcvt.c (noce_try_cmove_arith): Likewise.
2510 * reload1.c (reload): Likewise.
2511 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2512 (alpha_set_memflags): Likewise.
2513 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2515 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2517 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2519 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2520 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2521 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2523 * cselib.c (cselib_rtx_varies_p): Delete.
2524 (cselib_invalidate_mem): Update call to canon_true_dependence.
2525 * dse.c (record_store, check_mem_read_rtx): Likewise.
2526 (scan_reads_nospill): Likewise.
2527 * cse.c (check_dependence): Likewise.
2528 (cse_rtx_varies_p): Delete.
2529 * expr.c (safe_from_p): Update call to true_dependence.
2530 * ira.c (validate_equiv_mem_from_store): Likewise.
2531 (memref_referenced_p): Likewise.
2532 * postreload-gcse.c (find_mem_conflicts): Likewise.
2533 * sched-deps.c (sched_analyze_2): Likewise.
2534 * store-motion.c (load_kills_store): Likewise.
2535 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2536 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2537 (compute_transp): Update call to canon_true_dependence.
2539 2012-01-25 Richard Henderson <rth@redhat.com>
2541 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2542 (maybe_emit_atomic_test_and_set): New.
2543 (expand_sync_lock_test_and_set): Use it.
2544 (expand_atomic_test_and_set): Likewise.
2545 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2546 the implementation; clarify implementation defined details.
2547 * doc/md.texi (atomic_test_and_set): Document.
2549 2012-01-25 Richard Henderson <rth@redhat.com>
2551 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2553 2012-01-25 Richard Henderson <rth@redhat.com>
2556 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2557 to effect no-op split.
2559 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2562 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2563 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2564 (BT_FN_VOID_PTR_INT_SIZE): New.
2565 (BT_FN_UINT_UINT_VAR): Remove.
2566 (BT_FN_UINT32_UINT32_VAR): New.
2567 (BT_FN_DOUBLE_VPTR): Remove.
2568 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2570 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2571 (_ITM_changeTransactionMode): Same.
2572 (_ITM_memmoveRtWt): Change return type to void.
2573 (_ITM_memcpyRtWt): Same.
2574 (_ITM_memsetW): Same.
2575 (_ITM_RaRD): Change types to double.
2580 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2582 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2583 Patrick Marlier <patrick.marlier@gmail.com>
2585 * trans-mem.c (requires_barrier): Do not instrument thread local
2586 variables and emit save/restore for them.
2588 2012-01-24 Jason Merrill <jason@redhat.com>
2591 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2592 output static aliases.
2594 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2597 * common.opt (-pie, -shared, pie, shared): Change from Common to
2599 * gcc.c (display_help): Display help for -pie and -shared.
2601 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2604 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2605 Remove note on size/offset limitation.
2606 (AVR Variable Attributes): Add example how to read data located
2607 with progmem. Refer to named address spaces.
2608 * doc/invoke.texi (AVR Options): Fix typo.
2610 2012-01-24 Richard Guenther <rguenther@suse.de>
2612 Forward-port to trunk
2613 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2616 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2617 op0 isn't sufficiently aligned and there is movmisalignM
2618 insn for mode, use it to load op0 into a temporary register.
2620 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2623 * target.def (const_not_ok_for_debug_p): New hook.
2624 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2626 * doc/tm.texi: Regenerated.
2627 * dwarf2out.c (const_ok_for_output_1): If
2628 targetm.const_not_ok_for_debug_p returns true, fail.
2629 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2631 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2633 2012-01-23 Kai Tietz <ktietz@redhat.com>
2636 * config/i386/predicates.md (symbolic_operand): Allow
2637 UNSPEC_PCREL as PIC expression for lea.
2638 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2639 * config/i386/i386.c (ix86_delegitimize_address): Handle
2640 UNSPEC_PCREL for none-MEM, too.
2642 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2644 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2645 (ipa_tm_create_version_alias): Same.
2647 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2650 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2651 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2653 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2654 Patrick Marlier <patrick.marlier@gmail.com>
2655 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2658 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2659 simple_object_start_read.
2661 2012-01-23 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/51895
2665 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2666 parameter decomposition into BLKmode components.
2668 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2670 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2671 fake variables for restrict-qualified pointers whose pointed-to type
2672 contains a placeholder.
2674 2012-01-23 Richard Guenther <rguenther@suse.de>
2676 PR tree-optimization/51949
2677 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2679 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2681 PR rtl-optimization/51933
2682 * ree.c (transform_ifelse): Return true right away if dstreg is
2683 already wider or equal to cand->mode.
2684 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2685 (make_defs_and_copies_lists): Remove defs_list and copies_list
2686 arguments, add state argument, just truncate state->work_list
2687 instead of always allocating and freeing the vector. Assert that
2688 get_defs succeeds instead of returning 2. Changed return type to bool.
2689 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2690 have ext_src_mode, see if it has been modified already with the
2691 right kind of extension and has been extended before from the
2692 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2693 just return true. Remember the original mode in state->modified array.
2694 (combine_reaching_defs): Add state argument. Don't allocate and
2695 free here def_list, copied_list and vec vectors, instead just
2696 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2697 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2698 Add state variable, clear vectors in it, initialize state.modified
2699 if needed. Free all the vectors at the end and state.modified too.
2700 Don't skip a candidate if the extension expression has been modified.
2702 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2705 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2706 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2707 (extra_options) interix.opt -> i386/interix.opt"
2708 (extra_objs):Add winnt-stubs.o
2709 * configure.ac: Add interix to target_os .comm on PE check.
2710 * configure: Regenerate.
2711 * config/interix3.h: Delete and move bits to..
2712 * config/interix.h: Delete and move bits to..
2713 * config/i386/i386-interix3.h: Delete and move bits to..
2714 * config/i386/i386-interix.h: ..here.
2715 (TARGET_CPU_DEFAULT): Remove redefinition.
2716 (TARGET_ASM_CONSTRUCTOR): Undefine.
2717 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2718 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2719 (PTRDIFF_TYPE): Define.
2720 (LONG_DOUBLE_TYPE_SIZE): Define.
2721 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2722 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2723 (TARGET_SECTION_TYPE_FLAGS): Define.
2724 (ASM_DECLARE_FUNCTION_NAME): Define.
2725 (ASM_OUTPUT_EXTERNAL): Define.
2726 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2727 (ASM_OUTPUT_ALIGNED_BSS): Define.
2728 (PCC_BITFIELD_TYPE_MATTERS): Define.
2729 (USE_CONST_SECTION): Define.
2730 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2731 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2732 (SUPPORTS_ONE_ONLY): Remove.
2733 (I386_PE_STRIP_ENCODING): Define.
2734 * config/interix.opt: Delete and move bits to..
2735 * config/i386/interix.opt: ..here. New.
2736 (mpe-aligned-commons): Add.
2737 * config/i386/t-interix: Add copyright header.
2738 (winnt-stubs.o): Add rule.
2740 2012-01-22 Jason Merrill <jason@redhat.com>
2743 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2744 for extra name aliases.
2746 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2748 PR rtl-optimization/51924
2749 * ree.c (combine_set_extension): Improve debugging message.
2750 (combine_reaching_defs): Likewise.
2751 (get_defs): Rename confusingly named variable.
2752 (find_and_remove_re): Skip a candidate if the extension expression has
2755 2012-01-21 Robert Millan <rmh@gnu.org>
2756 Gerald Pfeifer <gerald@pfeifer.com>
2758 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2759 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2761 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2763 PR tree-optimization/51914
2764 * tree-vect-stmts.c (vectorizable_conversion): For
2765 cvt_type && modifier == WIDEN, put temporary with cvt_type
2766 at the beginning of vec_dsts and set vec_dest to temporary
2769 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2771 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2773 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2775 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2776 * config/rs6000/rs6000.c: Likewise.
2778 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2781 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2782 output_move_double on a copy of operands array.
2784 2012-01-20 Cary Coutant <ccoutant@google.com>
2785 Dodji Seketeli <dodji@redhat.com>
2788 * dwarf2out.c (copy_declaration_context): Return ref to parent
2789 of declaration DIE, if necessary.
2790 (remove_child_or_replace_with_skeleton): Add new parameter; update
2791 caller. Place skeleton DIE under parent DIE of original declaration.
2792 Move call to copy_declaration_context to here ...
2793 (break_out_comdat_types): ... from here.
2795 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2797 PR rtl-optimization/51856
2798 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2801 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2804 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2805 hints for neon loads and stores.
2807 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2811 * doc/extend.texi (Named Address Spaces): Split into subsections.
2812 (AVR Named Address Spaces): New subsection.
2813 (M32C Named Address Spaces): New subsection.
2814 (RL78 Named Address Spaces): New subsection.
2815 (SPU Named Address Spaces): New subsection.
2816 (Variable Attributes): New anchor "AVR Variable Attributes".
2817 (AVR Variable Attributes): Rewrite and avoid wording
2818 "address space" in this context.
2819 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2820 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2821 (AVR Built-in Macros): New subsubsection therein.
2822 * doc/md.texi (AVR constraints): Remove "C04", "R".
2824 2012-01-20 Richard Guenther <rguenther@suse.de>
2826 PR tree-optimization/51903
2827 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2828 when removing stmts.
2830 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2833 * config/arm/arm.c (arm_load_pic_register): Use
2834 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2835 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2836 (arm_pic_static_addr): Likewise.
2837 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2838 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2839 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2840 (pic_load_addr_unified): New.
2842 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2845 * function.c (instantiate_virtual_regs_in_insn): Use
2846 delete_insn_and_edges when removing a wrong asm insn.
2848 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2850 PR rtl-optimization/40761
2851 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2852 Add new member loop_num.
2853 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2854 (ira_build): Remove the parameter.
2856 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2857 (ira.c): Do not build CFG loops for one region allocation. Remove
2858 argument from ira_build call.
2860 * ira-build.c (init_loop_tree_node): New function.
2861 (create_loop_tree_nodes): Use it. Separate the case when CFG
2862 loops are not built.
2863 (more_one_region_p): Check current_loops.
2864 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2866 (add_loop_to_tree): Process loop equal to NULL too.
2867 (form_loop_tree): Separate the case when CFG loops are not built.
2868 Use explicitly number for the root.
2869 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2871 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2872 instead of loop->num.
2873 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2874 (mark_all_loops_for_removal): Ditto.
2875 (remove_unnecessary_regions): Separate the case when CFG loops
2877 (ira_build): Remove the parameter. Use explicit number of regions
2878 when CFG loops are not built.
2880 * ira-color.c (print_loop_title): Separate the case for the root node.
2881 Use loop_num instead of loop->num.
2882 (move_spill_restore): Use loop_num instead of loop->num.
2884 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2885 (change_loop): Ditto.
2886 (change_loop): Use loop_num instead of loop->num.
2888 * ira-lives.c (process_bb_node_lives): Ditto.
2890 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2892 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2894 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2897 * tree-mudflap.c (mf_artificial): New function.
2898 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2899 mx_register_decls, mudflap_enqueue_decl): Use it.
2902 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2903 numbers in the insn pattern.
2905 2012-01-19 Michael Matz <matz@suse.de>
2907 PR tree-optimization/46590
2908 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2909 use it in remembering which conflicts we already created.
2910 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2913 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2916 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2917 (merge_and_complain): Same.
2919 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2922 * config/initfini-array.h: Guard content of the header
2923 with #ifdef HAVE_INITFINI_ARRAY.
2924 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2925 Add initfini-array.h to tm_file here.
2926 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2927 * config.gcc: Don't add initfini-array.h to tm_file here.
2928 * configure: Regenerated.
2930 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2932 PR rtl-optimization/51505
2933 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2934 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2935 (df_note_bb_compute): Update the call to df_kill_notes.
2937 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2939 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2941 2012-01-18 Richard Guenther <rguenther@suse.de>
2943 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2944 of conversions to void *.
2946 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2947 Richard Sandiford <rdsandiford@googlemail.com>
2951 * optabs.h (simplify_expand_binop): Declare.
2952 * optabs.c (simplify_expand_binop): Make global.
2953 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2954 endian targets if the source cannot be exactly covered by word
2957 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2960 * hard-reg-set.h (struct hard_reg_set_container): New type.
2961 * target.h (struct hard_reg_set_container): Forward declare.
2962 * target.def (set_up_by_prologue): New target hook.
2963 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2964 * doc/tm.texi: Regenerated.
2965 * function.c (thread_prologue_and_epilogue_insns): Change
2966 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2967 Call targetm.set_up_by_prologue on it.
2968 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2969 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2971 2012-01-17 Nick Clifton <nickc@redhat.com>
2973 * config/rx/rx.c (rx_can_use_simple_return): New function.
2974 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2975 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2977 2012-01-17 Richard Guenther <rguenther@suse.de>
2980 * expr.c (expand_assignment): Take address-space information
2981 from the address operand of MEM_REF and TARGET_MEM_REF.
2982 (expand_expr_real_1): Likewise.
2984 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2986 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2987 reload dump is requested.
2989 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2992 * trans-mem.c (requires_barrier): Call may_be_aliased.
2994 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2996 PR tree-optimization/51877
2997 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2998 call arguments and fndecls compare equal, instead return false if they
2999 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3000 both SSA_NAMEs that are valueized the same, or they satisfy
3003 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3005 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3007 * configure: Regenerate.
3009 2012-01-16 Jan Hubicka <jh@suse.cz>
3013 * convert.c (convert_to_integer): Use fold_convert for
3014 converting an INTEGER_CST to integer type.
3016 2012-01-16 Jason Merrill <jason@redhat.com>
3019 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3021 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3024 * config/s390/s390.c (s390_chunkify_start): Don't skip
3025 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3026 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3027 If insn is followed by NOTE_INSN_VAR_LOCATION or
3028 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3029 Don't use location of note insns.
3031 PR tree-optimization/51865
3032 * tree-inline.c (tree_function_versioning): Call remap_decl
3033 on DECL_RESULT whenever it has VOID_TYPE_P type.
3035 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3037 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3038 for calls to locally-binding MIPS16 functions if only the return
3039 type uses float regs.
3041 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3042 Richard Sandiford <rdsandiford@googlemail.com>
3044 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3045 (SYMBOL_32_HIGH): Likewise.
3046 (mips_output_tls_reloc_directive): Declare.
3047 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3048 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3049 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3050 (mips_lo_relocs, mips_hi_relocs): Make extern.
3051 (mips16_stub_function): Move up file.
3052 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3053 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3054 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3055 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3056 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3057 (mips_get_tp): Add MIPS16 support.
3058 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3059 Generalize DTPREL and TPREL handling.
3060 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3061 Add MIPS16 TLS support.
3062 (mips_output_tls_reloc_directive): New function.
3063 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3064 * config/mips/predicates.md (symbolic_operand_with_high)
3065 (tls_reloc_operand): New predicates.
3066 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3067 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3068 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3069 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3070 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3071 (*tls_get_tp_mips16_call_<mode>): Likewise.
3073 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3075 PR rtl-optimization/51821
3076 * recog.c (peep2_find_free_register): Determine clobbered registers
3079 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3082 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3083 * config/avr/avr.c: Likewise.
3084 * config/avr/avr.h: Likewise.
3086 2012-01-13 Ian Lance Taylor <iant@google.com>
3089 * tree.h (TYPE_QUALS): Add cast to int.
3090 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3092 2012-01-13 Ian Lance Taylor <iant@google.com>
3094 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3095 comparing param_index to VEC_length result.
3097 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3099 * c-decl.c: Do not include tree-mudflap.h
3100 * tree-optimize.c: Likewise.
3101 * Makefile.in: Update dependencies.
3103 2012-01-13 Richard Guenther <rguenther@suse.de>
3106 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3107 variable-sized result always use RSO.
3109 2012-01-12 DJ Delorie <dj@redhat.com>
3111 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3112 pointer type, not just the default pointer type.
3114 2012-01-09 Richard Henderson <rth@redhat.com>
3115 Denis Chertykov <chertykov@gmail.com>
3118 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3119 * config/avr/avr.c (avr_can_eliminate): Simplify.
3120 (avr_initial_elimination_offset): Likewise.
3121 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3122 (expand_epilogue): Likewise.
3123 (avr_legitimize_address): Gut.
3124 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3125 (avr_hard_regno_nregs): New.
3126 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3127 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3128 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3129 add soft frame pointer.
3130 (CALL_USED_REGISTERS): Likewise.
3131 (REG_CLASS_CONTENTS): Likewise.
3132 (REGISTER_NAMES): Likewise.
3133 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3134 (HARD_FRAME_POINTER_REGNUM): New.
3135 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3136 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3137 remove the HARD_FRAME_POINTER self-elimination.
3139 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3142 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3143 DECL_EXTERNAL when checking for initializers of progmem variables.
3145 2012-01-12 Ira Rosen <irar@il.ibm.com>
3147 PR tree-optimization/51799
3148 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3149 that the last operation is a type demotion.
3151 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3153 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3154 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3156 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3159 * combine.c (distribute_notes): If i3 is a noreturn call,
3160 allow old_size to be equal to args_size and make sure the
3161 noreturn call gets REG_ARGS_SIZE note.
3162 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3163 on noreturn calls even when the delta is 0.
3165 2012-01-11 Nathan Sidwell <nathan@acm.org>
3167 * gcov.c (STRING_SIZE): Remove.
3168 (generate_results): Erase annotations for source files with no
3169 coverage information.
3171 (output_lines): Use it.
3173 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3175 * gimple.h (gimplify_body): Remove first argument.
3176 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3177 pointer set here, instead just pass DATA to walk_tree.
3178 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3179 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3180 (unvisit_body): Likewise, but with unmark_visited.
3181 (gimplify_body): Remove BODY_P argument and adjust.
3182 (gimplify_function_tree): Adjust call to gimplify_body.
3183 * omp-low.c (finalize_task_copyfn): Likewise.
3185 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3187 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3188 (build_function_type_skip_args): Delete.
3189 * tree.c (build_function_type_skip_args): Make static and add
3190 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3191 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3192 pass it to build_function_type_skip_args.
3193 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3194 (tree_function_versioning): Likewise.
3195 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3196 build_function_decl_skip_args.
3197 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3198 and pass it to build_function_decl_skip_args/tree_function_versioning.
3199 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3200 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3201 * trans-mem.c (ipa_tm_create_version): Likewise.
3202 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3203 * tree-inline.c (declare_return_variable): Remove always-true test.
3204 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3205 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3206 * ipa-split.c (split_function): Skip the return value for the split
3207 part if it doesn't return.
3209 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3211 PR tree-optimization/49642
3212 * ipa-split.c (forbidden_dominators): New variable.
3213 (check_forbidden_calls): New function.
3214 (dominated_by_forbidden): Likewise.
3215 (consider_split): Check for forbidden dominators.
3216 (execute_split_functions): Initialize and free forbidden
3217 dominators info; call check_forbidden_calls.
3219 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3221 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3223 2012-01-11 Nick Clifton <nickc@redhat.com>
3225 * config/rx/rx.md (return): Define pattern.
3227 2012-01-11 Richard Guenther <rguenther@suse.de>
3229 * doc/extend.texi (malloc attribute): Adjust according to
3232 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3233 Patrick Marlier <patrick.marlier@gmail.com>
3236 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3237 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3238 (ipa_tm_note_irrevocable): Same.
3239 (ipa_tm_scan_irr_block): Same.
3240 (ipa_tm_decrement_clone_counts): Same.
3241 (ipa_tm_scan_irr_function): Same.
3242 (ipa_tm_create_version_alias): Same.
3243 (ipa_tm_create_version): Same.
3244 (ipa_tm_transform_calls_redirect): Same.
3245 (ipa_tm_transform_calls): Same.
3246 (ipa_tm_transform_transaction): Same.
3247 (ipa_tm_execute): Same.
3249 2012-01-10 Richard Guenther <rguenther@suse.de>
3252 * opts.c (common_handle_option): Handle -Werror.
3254 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3256 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3259 2012-01-10 Jason Merrill <jason@redhat.com>
3261 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3264 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3266 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3267 supports R_386_TLS_GD_PLT reloc.
3268 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3269 supports R_386_TLS_LDM_PLT reloc.
3270 * configure: Regenerate.
3271 * config.in: Regenerate.
3273 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3276 Extend __pgmx semantics to linearize memory.
3277 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3278 determine if code comes inline or from libgcc.
3279 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3280 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3281 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3282 (movmemx_qi, movmemx_hi): New insns.
3283 (xload_<mode>_libgcc): Rewrite to new insn condition.
3284 (xload_<mode>): Remove insns.
3285 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3286 cases that don't satisfy avr_xload_libgcc_p().
3287 (avr_addr_space_convert): Allow converting in any direction.
3288 (avr_addr_space_subset_p): Return always true.
3289 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3290 (avr_emit_movmemhi): Ditto.
3291 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3292 (avr_out_movmem): Ditto.
3293 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3294 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3295 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3296 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3297 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3299 2012-01-10 Richard Guenther <rguenther@suse.de>
3301 PR tree-optimization/50913
3302 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3303 Require data-refs to be representable by Graphite with respect
3306 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3308 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3309 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3311 2012-01-10 Tom de Vries <tom@codesourcery.com>
3313 PR rtl-optimization/51271
3314 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3315 handling annulled branch.
3317 2012-01-10 Richard Henderson <rth@redhat.com>
3319 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3320 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3321 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3322 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3323 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3324 arm_expand_vec_perm_const): New.
3325 * config/arm/arm-protos.h: Update.
3326 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3327 (*neon_vswp<VDQX>): New.
3328 (neon_vcombine<VDX>): Use neon_split_vcombine.
3329 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3330 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3331 (vec_perm<VE>): New.
3333 2012-01-10 Richard Henderson <rth@redhat.com>
3335 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3336 use it if reload_completed.
3337 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3338 arm_output_asm_insn, arm_process_output_memory_barrier,
3339 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3340 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3341 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3342 arm_process_output_sync_insn, arm_output_sync_insn,
3343 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3344 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3345 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3346 (emit_unlikely_jump): New.
3347 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3348 (arm_split_atomic_op): New.
3349 * config/arm/arm-protos.h: Update.
3350 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3351 (struct arm_sync_generator): Remove.
3352 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3353 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3354 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3355 (VUNSPEC_LL, VUNSPEC_SC): New.
3356 (sync_result, sync_memory, sync_required_value, sync_new_value,
3357 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3358 (attr length): Don't use arm_sync_loop_insns.
3359 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3360 (movsfcc, movdfcc): Likewise.
3361 * config/arm/constraints.md (Ua): New.
3362 * config/arm/prediates.md (mem_noofs_operand): New.
3363 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3364 (sync_clobber, sync_t2_reqd): Remove.
3365 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3366 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3367 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3368 (arm_sync_compare_and_swap<SIDI>): Remove.
3369 (arm_sync_compare_and_swap<NARROW>): Remove.
3370 (arm_sync_lock_test_and_set<SIDI>): Remove.
3371 (arm_sync_lock_test_and_set<NARROW>): Remove.
3372 (arm_sync_new_<syncop><SIDI>): Remove.
3373 (arm_sync_new_<syncop><NARROW>): Remove.
3374 (arm_sync_new_nand<SIDI>): Remove.
3375 (arm_sync_new_nand<NARROW>): Remove.
3376 (arm_sync_old_<syncop><SIDI>): Remove.
3377 (arm_sync_old_<syncop><NARROW>): Remove.
3378 (arm_sync_old_nand<SIDI>): Remove.
3379 (arm_sync_old_nand<NARROW>): Remove.
3380 (*memory_barrier): Merge arm_output_memory_barrier.
3381 (atomic_compare_and_swap<QHSD>): New.
3382 (atomic_compare_and_swap<NARROW>_1): New.
3383 (atomic_compare_and_swap<SIDI>_1): New.
3384 (atomic_exchange<QHSD>): New.
3385 (cas_cmp_operand, cas_cmp_str): New.
3386 (atomic_op_operand, atomic_op_str): New.
3387 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3388 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3389 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3390 (arm_load_exclusive<NARROW>): New.
3391 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3392 (arm_store_exclusive<QHSD>): New.
3394 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3396 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3397 reload patterns if -mvsx-scalar-memory.
3399 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3400 generated, even -mno-vsx-scalar-double was used.
3401 (vsx_xscvdpsp_scalar): Likewise.
3402 (vsx_xscvspdp_scalar2): Likewise.
3404 2012-01-09 Tom de Vries <tom@codesourcery.com>
3405 Andrew Pinski <apinski@cavium.com>
3408 * reorg.c (fill_slots_from_thread): Don't speculate
3409 frame-related insns.
3411 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3413 * sched-int.h (bb_note): Move to...
3414 * basic-block.h: ...here.
3415 * haifa-sched.c (bb_note): Move to...
3416 * cfgrtl.c: ...here.
3417 * function.c (next_block_for_reg): New function.
3418 (move_insn_for_shrink_wrap): Likewise.
3419 (prepare_shrink_wrap): Rewrite to use the above.
3421 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3423 * gimple.c (is_gimple_non_addressable): Remove.
3424 * gimple.h: Remove is_gimple_non_addressable.
3425 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3426 is_gimple_non_addressable.
3427 * trans-mem.c (expand_assign_tm): Same.
3429 2012-01-09 Richard Guenther <rguenther@suse.de>
3431 PR tree-optimization/51775
3432 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3433 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3435 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3437 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3439 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3441 2012-01-09 Richard Guenther <rguenther@suse.de>
3443 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3445 2012-01-08 Jan Hubicka <jh@suse.cz>
3447 PR tree-optimize/51680
3448 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3449 on when known_vals needs to be computed; cleanup.
3451 2012-01-08 Jan Hubicka <jh@suse.cz>
3453 PR tree-optimize/51694
3454 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3456 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3458 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3459 for -std=c++98 and -std=c++11 too.
3461 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3463 * cfgloop.c (cancel_loop): Add free() of bbs array.
3465 2012-01-07 Jan Hubicka <jh@suse.cz>
3467 PR tree-optimization/51600
3468 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3469 that benefits small functions.
3471 2012-01-07 Jan Hubicka <jh@suse.cz>
3473 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3475 2012-01-07 Jan Hubicka <jh@suse.cz>
3477 PR tree-optimization/51680
3478 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3479 whose inlining reduce unit size.
3481 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3484 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3485 Add canonical node to containing_mem chain after the non-canonical
3486 one, even if there weren't any locs to propagate.
3487 (remove_useless_values): Keep only canonical values.
3488 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3489 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3490 canonicalize mem_chain elements that are not discarded.
3492 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3495 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3496 before emitting functions.
3498 PR gcov-profile/50127
3499 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3500 clear_aux_for_blocks.
3502 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3505 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3507 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3509 * c-decl.c (ext_block): Moved up.
3510 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3512 2012-01-06 Han Shen <shenhan@google.com>
3514 Translate built-in include paths for sysroot.
3515 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3516 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3518 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3519 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3521 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3522 control whether sysroot should be prepended to gxx include dir.
3524 * configure: Regenerate.
3526 2012-01-06 Torvald Riegel <triegel@redhat.com>
3528 PR rtl-optimization/51771
3529 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3530 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3532 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3534 PR tree-optimization/51315
3535 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3536 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3538 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3541 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3542 for shrp pattern. Correctly handle and fixup shift variable.
3543 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3545 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3548 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3549 note when !ACCUMULATE_OUTGOING_ARGS.
3551 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3553 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3555 (extract_range_from_unary_expr_1): Avoid useless computations.
3557 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3559 PR rtl-optimization/51767
3560 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3561 of jump_block and add an extra edge for degenerated asm gotos.
3564 * stmt.c (check_unique_operand_names): Don't ICE during error
3565 reporting if i is from labels chain.
3568 * profile.c (branch_prob): Split bbs that have exit edge
3569 and need a fake entry edge too.
3571 2012-01-05 Jan Hubicka <jh@suse.cz>
3574 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3577 2012-01-05 Richard Guenther <rguenther@suse.de>
3580 * tree-streamer-out.c (write_ts_optimization): New function.
3581 (streamer_write_tree_body): Call it.
3582 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3583 (streamer_read_tree_body): Call it.
3584 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3586 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3589 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3590 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3591 in_cleanup_point_expr before gimplify_stmt call and restore it
3593 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3594 in_cleanup_point_expr is false.
3596 2012-01-05 Richard Guenther <rguenther@suse.de>
3599 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3601 * toplev.c (process_options): Reject combining mudflap and LTO.
3602 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3604 2012-01-05 Richard Guenther <rguenther@suse.de>
3606 PR tree-optimization/51760
3607 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3609 (bit_value_unop): Handle UNDEFINED operands.
3610 (bit_value_binop): Likewise.
3612 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3614 * config/avr/avr.c (avr_replace_prefix): Remove.
3615 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3616 (avr_asm_function_rodata_section): Ditto.
3617 (avr_asm_select_section): Ditto.
3619 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3621 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3624 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3627 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3628 calls that have any non-fake successor edges.
3631 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3633 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3635 PR tree-optimization/51624
3636 * tree-sra.c (build_ref_for_model): When replicating a chain of
3637 COMPONENT_REFs, stop as soon as the offset would become negative.
3639 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3642 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3643 in .debug_loc on the floor.
3645 2012-01-04 Andrew Pinski <apinski@cavium.com>
3647 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3649 2012-01-04 Andrew Pinski <apinski@cavium.com>
3650 Adam Nemet <anemet@caviumnetworks.com>
3652 * config/mips/mips.md (size): Add SI and DI.
3653 (SIZE): New mode attribute.
3654 (U): New code attribute.
3655 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3656 (mips_lbux_<mode>): Delete.
3657 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3658 (mips_lhx): Use gen_mips_lhx_extsi.
3659 (mips_lhx_<mode>): Delete.
3661 (mips_l<size>x): New expand.
3662 (mips_lwx_<mode>): Delete.
3663 (mips_l<GPR:size>x_<P:mode>): New pattern.
3664 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3665 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3666 * config/mips/mips.c (mips_lx_address_p): New function.
3667 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3668 (dsp64): New availability predicate.
3669 (mips_builtins): Add an entry for __builtin_mips_ldx.
3670 * config/mips/mips.h (ISA_HAS_LBX): New define.
3671 (ISA_HAS_LBUX): Likewise.
3672 (ISA_HAS_LHX): Likewise.
3673 (ISA_HAS_LHUX): Likewise.
3674 (ISA_HAS_LWX): Likewise.
3675 (ISA_HAS_LWUX): Likewise.
3676 (ISA_HAS_LDX): Likewise.
3677 * doc/extend.texi (__builtin_mips_ldx): Document.
3679 2012-01-04 Tristan Gingold <gingold@adacore.com>
3681 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3682 when long pointers are used.
3683 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3684 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3685 (ia64-hp-*vms*): Remove.
3686 * config/vms/xm-vms64.h: Delete.
3688 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3691 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3693 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3695 * opts.c (finish_options): Remove duplicate sorry.
3697 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3700 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3703 2012-01-04 Richard Guenther <rguenther@suse.de>
3706 * tree.c (size_low_cst): New function.
3707 * tree.h (size_low_cst): Declare.
3708 * fold-const.c (fold_comparison): Use it to extract the low
3709 part of the POINTER_PLUS_EXPR offset.
3711 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3713 Fix clearing ZERO_REG
3714 * config/avr/avr.md (cc): Add alternative "ldi".
3715 (movqi_insn): Use it in cc attribute.
3716 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3717 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3718 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3720 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3722 * configure: Regenerate.
3724 2012-01-04 Richard Guenther <rguenther@suse.de>
3726 PR tree-optimization/49651
3727 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3728 (var_can_have_subvars): Use it.
3729 (get_constraint_for_1): Only consider subfields if there can be any.
3731 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3734 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3735 to its new canonical_cselib_val and the cselib_val was in
3736 first_containing_mem chain, but the canonical_cselib_val was not,
3737 add the latter into the chain.
3738 (cselib_invalidate_mem): Compare canonical_cselib_val of
3739 addr_list chain elt with v.
3742 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3743 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3745 (output_macinfo_op): Don't ggc_strdup fd->filename.
3746 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3747 then ggc_strdup it. Don't free inc->info or cur->info.
3748 (output_macinfo): Don't free ref->info or file->info.
3750 2012-01-03 Ira Rosen <irar@il.ibm.com>
3752 PR tree-optimization/51269
3753 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3754 first_niters a pointer.
3755 (slpeel_tree_peel_loop_to_edge): Likewise.
3756 (vect_do_peeling_for_loop_bound): Update call to
3757 slpeel_tree_peel_loop_to_edge.
3758 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3759 here. Remove it from the parameters list.
3760 (vect_do_peeling_for_alignment): Update calls and compute
3763 2012-01-03 Richard Guenther <rguenther@suse.de>
3765 PR tree-optimization/51070
3766 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3767 Properly handle calls.
3769 2012-01-03 Richard Guenther <rguenther@suse.de>
3771 PR tree-optimization/51692
3772 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3773 the LHS of allocation stmts.
3775 2012-01-03 Olivier Hainque <hainque@adacore.com>
3777 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3779 2012-01-03 Olivier Hainque <hainque@adacore.com>
3781 * collect2.c (main): In AIX specific computations for vector
3782 insertions, use CONST_CAST2 to cast from char ** to const char **.
3784 2012-01-03 Richard Guenther <rguenther@suse.de>
3787 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3788 the context of a limbo DIE when it does not already exist.
3790 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3792 PR tree-optimization/51719
3793 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3794 but direct call is, clear direct call's lhs and don't add fallthrough
3795 edge from dcall_bb to join_bb and PHIs.
3797 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3799 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3800 the instructions emitted by the pattern.
3801 ("*TDC_insn_<mode>"): Add comment.
3803 2012-01-03 Richard Guenther <rguenther@suse.de>
3806 * fold-const.c (fold_comparison): Properly canonicalize
3807 tree offset and HOST_WIDE_INT bit position.
3809 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3811 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3812 operands for extzv pattern.
3814 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3817 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3820 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3822 * doc/invoke.texi (-flto and related options): Copy-edit.
3824 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3826 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3828 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3830 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3833 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3835 * expr.h (move_by_pieces_ninsns): Declare.
3836 * expr.c (move_by_pieces_ninsns): Make external.
3837 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3838 (mips_store_by_pieces_p): Likewise.
3839 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3840 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3841 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3842 (mips_store_by_pieces_p): Likewise.
3844 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3846 * passes.c (register_one_dump_file): Free full_name.
3848 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3849 (calculate_elim_costs_all_insns): Free offsets_at and
3850 offsets_known_at at the end and clear the pointers.
3852 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3854 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3855 this option introduced in r180739.
3857 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3860 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3861 (tmake_file target=avr): Add avr/t-multilib.
3863 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3864 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3865 * config/avr/genmultilib.awk: New file.
3866 * config/avr/t-multilib: New auto-generated file.
3867 * config/avr/multilib.h: New auto-generated file.
3868 * config/avr/t-avr (AVR_MCUS): New variable.
3869 (genopt.sh): Use it.
3870 (s-mlib): Depend on t-multilib.
3871 (t-multilib, multilib.h): New dependencies.
3872 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3873 (MULTILIB_OPTIONS): Remove.
3874 (MULTILIB_MATCHES): Remove.
3875 (MULTILIB_DIRNAMES): Remove.
3876 (MULTILIB_EXCEPTIONS): Remove:
3877 * config/avr/genopt.sh: Don't use hard coded file name;
3878 pass AVR_MCUS from t-avr instead.
3880 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3882 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3884 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3886 Implement light-weight DImode support.
3887 * config/avr/avr-dimode.md: New file.
3888 * config/avr/avr.md: Include it.
3889 (adjust_len): Add plus64, compare64.
3890 (HIDI): Remove code iterator.
3891 (code_stdname): New code attribute.
3892 (rotx, rotsmode): Remove DI.
3893 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3895 * config/avr/avr-protos.h (avr_have_dimode): New.
3896 (avr_out_plus64, avr_out_compare64): New.
3897 * config/avr/avr.c (avr_out_compare): Handle DImode.
3898 (avr_have_dimode): New variable definition and initialization.
3899 (avr_out_compare64, avr_out_plus64): New functions.
3900 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3901 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3902 (avr_compare_pattern): Skip DImode comparisons.
3904 2012-01-02 Revital Eres <revital.eres@linaro.org>
3906 * ddg.c (def_has_ccmode_p): New function.
3907 (add_cross_iteration_register_deps,
3908 create_ddg_dep_from_intra_loop_link): Call it.
3910 2012-01-02 Richard Guenther <rguenther@suse.de>
3913 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3915 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3917 * gcc.c (process_command): Update copyright notice dates.
3918 * gcov.c (print_version): Likewise.
3919 * gcov-dump.c (print_version): Likewise.
3920 * mips-tfile.c (main): Likewise.
3921 * mips-tdump.c (main): Likewise.
3923 2012-01-01 Ira Rosen <irar@il.ibm.com>
3925 PR tree-optimization/51704
3926 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3927 a use is inside the basic block or loop before accessing its vect info.
3929 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3931 PR rtl-optimization/51069
3932 * cfgloopmanip.c (remove_path): Removing path making irreducible
3933 region unconditional makes BB part of the region.
3935 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3937 PR tree-optimization/51683
3938 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3939 calls with side-effects.
3940 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3942 Copyright (C) 2012 Free Software Foundation, Inc.
3944 Copying and distribution of this file, with or without modification,
3945 are permitted in any medium without royalty provided the copyright
3946 notice and this notice are preserved.