1 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
7 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
8 the list of options to enable the FCFID instruction.
9 (TARGET_EXTRA_BUILTINS): Adjust comment.
11 2012-04-12 Richard Guenther <rguenther@suse.de>
13 PR tree-optimization/52943
14 * tree-chrec.h (chrec_is_positive): Remove.
15 * tree-scalar-evolution.c (chrec_is_positive): Move ...
16 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
17 Return false for a constant zero instead of negative.
18 (analyze_siv_subscript_cst_affine): Handle zero difference
19 in the initial condition explicitely.
21 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
24 * varasm.c (process_pending_assemble_externals): Set
25 pending_assemble_externals_processed true.
26 (assemble_external): Call assemble_external_real if the pending
27 assemble externals have been processed.
29 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
32 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
33 the DECL generated for the special GOT helper.
35 2012-04-06 Walter Lee <walt@tilera.com>
37 Backport from mainline
38 2012-03-07 Walter Lee <walt@tilera.com>
40 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
41 REG_CFA_* notes for the stack pointer.
42 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
43 EH_RETURN_STACKADJ_RTX.
44 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
45 generate REG_CFA_* notes for the stack pointer.
46 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
47 by EH_RETURN_STACKADJ_RTX.
49 2012-04-06 Matt Turner <mattst88@gmail.com>
51 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
53 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
55 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
56 of the destination isn't also a FP_REGS register.
58 2012-04-03 Richard Guenther <rguenther@suse.de>
60 Backport from mainline
61 2012-03-02 Richard Guenther <rguenther@suse.de>
63 PR tree-optimization/52406
64 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
65 (struct indices): Add unconstrained_base member.
66 (struct dr_alias): Remove unused vops member.
67 (DR_UNCONSTRAINED_BASE): New define.
68 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
69 add indices to allow their disambiguation. Make DR_BASE_OBJECT
70 be an artificial access that covers the whole indexed object,
71 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
72 plain decl base-objects to their MEM_REF variant.
73 (dr_may_alias_p): When the base-object of either data reference
74 has unknown size use only points-to information.
75 (compute_affine_dependence): Make dumps easier to read and
77 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
78 DR_REF when looking for packed references.
79 (vect_supportable_dr_alignment): Likewise.
81 2012-04-03 Richard Guenther <rguenther@suse.de>
83 Backport from mainline
84 2012-03-15 Richard Guenther <rguenther@suse.de>
87 * tree-data-ref.c (subscript_dependence_tester_1): Check
88 all dimensions for non-conflicting access functions.
90 2012-04-03 Richard Guenther <rguenther@suse.de>
92 Backport from mainline
93 2012-03-06 Richard Guenther <rguenther@suse.de>
96 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
98 2012-03-23 Richard Guenther <rguenther@suse.de>
100 PR tree-optimization/52678
101 * tree-vectorizer.h (struct _stmt_vec_info): Add
102 loop_phi_evolution_part member.
103 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
104 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
105 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
106 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
107 Use the cached evolution part and the PHI nodes value from
108 the loop preheader edge instead of re-analyzing the evolution.
110 2012-03-26 Richard Guenther <rguenther@suse.de>
112 PR tree-optimization/52701
113 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
114 compute and set the evolution part of PHI nodes.
116 2012-03-30 Richard Guenther <rguenther@suse.de>
118 PR tree-optimization/52754
119 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
120 propagate arbitrary addresses into really plain dereferences.
122 2012-04-03 Jakub Jelinek <jakub@redhat.com>
124 PR tree-optimization/52835
125 * tree-data-ref.c (build_rdg): Return NULL if
126 compute_data_dependences_for_loop failed.
128 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
130 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
131 (stmt_can_make_abnormal_goto): Use it.
132 (is_ctrl_altering_stmt): Likewise.
134 2012-03-31 Martin Jambor <mjambor@suse.cz>
136 Backported from mainline
137 2012-03-30 Martin Jambor <mjambor@suse.cz>
139 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
140 is a builtin_stack_save in a dominating BB.
142 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
144 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
145 crossing 128bit lane boundary.
147 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
149 Backported from mainline
150 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
153 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
155 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
156 * config/i386/i386.c: Include reload.h.
157 (ix86_legitimize_reload_address): New function.
159 2012-03-28 Martin Jambor <mjambor@suse.cz>
161 Backported from mainline
162 2012-03-27 Martin Jambor <mjambor@suse.cz>
165 * tree-sra.c (sra_modify_assign): Do not call
166 load_assign_lhs_subreplacements when working with an unscalarizable
169 2012-03-28 Jakub Jelinek <jakub@redhat.com>
172 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
173 __builtin_va_start to __builtin_next_arg if the latter is
174 builtin_decl_explicit_p rather than when it is not.
177 * tree-vect-generic.c (vector_element): Perform multiplication
178 for pos in bitsizetype type instead of idx type.
180 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
182 Backport from 2012-03-28 mainline r185910.
185 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
186 (avr_builtin_decl): New static function.
187 (struct avr_builtin_description, avr_bdesc): Move up.
188 Add GTY marker. Add field fndecl. Remove redundant field id.
189 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
190 (avr_expand_builtin): Code cleanup because .id is removed.
192 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
195 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
198 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
200 Backport from 2012-03-28 mainline r185907.
203 * config.gcc (tm_file): Remove avr/multilib.h.
205 * doc/invoke.texi (AVR Options): Adjust
206 documentation of -mtiny-stack.
208 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
209 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
210 * config/avr/t-avr: Remove generation of multilib.h.
211 * config/avr/t-multilib: Regenerate.
212 * config/avr/multilib.h: Remove.
213 * config/avr/avr.opt (-msp8): New option.
214 (avr_sp8): New variable.
215 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
216 * config/avr/avr.h (AVR_HAVE_SPH): New define.
217 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
218 (avr_device_to_sp8): New prototype.
219 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
220 (DRIVER_SELF_SPECS): New define.
221 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
222 __AVR_SP8__, __AVR_HAVE_SPH__.
223 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
224 AVR_HAVE_8BIT_SP to decide if SP_H is present.
225 (avr_file_start): Ditto.
227 2012-03-28 Jakub Jelinek <jakub@redhat.com>
230 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
231 instead of 8 in adjust_address.
233 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
235 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
236 of a unit before computing the offset in units.
238 2012-03-27 Richard Guenther <rguenther@suse.de>
241 * fold-const.c (try_move_mult_to_index): Handle &x.array more
244 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
247 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
249 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
252 * varasm.c: Include pointer-set.h.
253 (pending_assemble_externals_set): New pointer set.
254 (process_pending_assemble_externals): Destroy the pointer set.
255 (assemble_external): See if decl is in pending_assemble_externals_set,
256 and add it to pending_assemble_externals if necessary.
257 (init_varasm_once): Allocate pending_assemble_externals_set.
259 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
261 Backported from mainline
262 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
265 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
266 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
267 (vector_ltgt<mode>): Likewise.
268 (vector_ordered<mode>): Likewise.
269 (vector_unordered<mode>): Likewise.
270 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
272 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
274 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
277 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
279 Backported from mainline
280 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
284 * config/sh/sh.c (sh_register_move_cost): Increase cost between
285 GENERAL_REGS and FP_REGS for SImode.
287 2012-03-22 Jakub Jelinek <jakub@redhat.com>
290 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
291 on any new_local_var_chain vars declared during recursing on
292 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
294 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
296 Backport from 2012-03-22 mainline r185692.
299 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
300 (unspecv): Add UNSPECV_MEMORY_BARRIER.
301 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
302 (delay_cycles_1, delay_cycles_2): Ditto.
303 (delay_cycles_3, delay_cycles_4): Ditto.
304 (nopv, *nopv): Ditto.
305 (sleep, *sleep): Ditto.
308 Backport from 2012-03-21 mainline r185605.
310 PR rtl-optimization/52543
312 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
313 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
314 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
315 (avr_load_libgcc_p): Restrict to __flash loads.
316 (avr_out_lpm): Only handle 1-byte loads from __flash.
317 (avr_load_lpm): New function.
318 (avr_find_unused_d_reg): Remove.
319 (avr_out_lpm_no_lpmx): Remove.
320 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
321 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
322 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
323 (load_<mode>, load_<mode>_clobber): New insns.
324 (mov<mode>): For multi-byte move from non-generic
325 16-bit address spaces: Expand to load_<mode> resp.
327 (load<mode>_libgcc): Remove expander.
328 (split-lpmx): Remove split.
330 Backport from 2012-03-13 mainline r185329.
333 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
334 offset (size) to a value the insns can deal with.
335 (expand_epilogue): Ditto.
337 Backport from 2012-03-12 mainline r185256.
340 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
341 type from reg_class_t to enum reg_class.
342 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
344 Backport from 2012-03-12 mainline r185253.
347 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
348 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
349 r184615 from 2012-02-28.
351 Backport from 2012-03-08 mainline r185105.
353 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
354 for constants in [-63,63].
356 Backport from 2012-03-08 mainline r185100.
359 * config/avr/avr.c (avr_mem_clobber): New static function.
360 (avr_expand_delay_cycles): Add memory clobber operand to
361 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
362 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
363 (enable_interrupt, disable_interrupt): New expander.
364 (nopv, sleep, wdr): New expanders.
365 (delay_cycles_1): Add memory clobber.
366 (delay_cycles_2): Add memory clobber.
367 (delay_cycles_3): Add memory clobber.
368 (delay_cycles_4): Add memory clobber.
369 (cli_sei): New insn from former "enable_interrupt",
370 "disable_interrupt" with memory clobber.
371 (*wdt): New insn from former "wdt" with memory clobber.
372 (*nopv): Similar, but for "nopv".
373 (*sleep): Similar, but for "sleep".
375 Backport from 2012-03-07 mainline r185043.
378 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
380 Backport from 2012-03-07 mainline r185032.
383 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
384 to: RAMPZ, RAMPY, RAMPX, RAMPD.
385 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
387 Backport from 2012-03-07 mainline r185031.
390 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
392 * config/avr/avr.md (xload_8): Adjust insn length.
394 Backport from 2012-03-07 mainline r185030.
397 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
398 if RAMPZ affects reading from RAM.
400 Backport from 2012-03-05 mainline r184919.
402 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
404 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
406 Backport from mainline r185259.
409 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
410 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
412 2012-03-22 Jakub Jelinek <jakub@redhat.com>
414 Backported from mainline
415 2012-03-13 Jakub Jelinek <jakub@redhat.com>
418 * c-parser.c (c_parser_postfix_expression)
419 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
421 * config/i386/smmintrin.h: Avoid /* within a comment.
422 * config/i386/nmmintrin.h: Likewise.
424 2012-03-22 Richard Guenther <rguenther@suse.de>
426 * BASE-VER: Set to 4.7.1.
427 * DEV-PHASE: Set to prerelease.
429 2012-03-22 Release Manager
431 * GCC 4.7.0 released.
433 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
435 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
437 2012-03-15 Jakub Jelinek <jakub@redhat.com>
438 Andrew Pinski <apinski@cavium.com>
441 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
442 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
443 calls instead of __builtin_ir{int,ound}*.
445 2012-03-14 Jakub Jelinek <jakub@redhat.com>
448 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
451 2012-03-13 Joseph Myers <joseph@codesourcery.com>
453 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
454 Refer to GCC 4.7 version of c99status.html.
456 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
458 Backport from mainline
459 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
461 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
462 redefine to be NULL if the current bit-size is different from the
465 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
466 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
467 set the default tuning. Add asserts to make sure the cpu and tune
468 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
469 test whether the index is set, instead of > 0.
470 (rs6000_file_start): Do not reset the default cpu if the current
471 bit-size is different from the configured bit-size.
473 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
475 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
477 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
478 Update binutils references.
479 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
480 Update binutils reference.
481 Update Sun as/GNU ld caveat.
482 Document binutils largefile requirement for LTO plugin.
483 Remove reference to alternate libpthread.
485 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
487 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
489 (Specific, mips-sgi-irix6): Likewise.
491 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
493 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
494 * configure: Regenerate.
496 2012-03-07 Richard Henderson <rth@redhat.com>
498 * config/m68k/m68k.h (ISA_HAS_TAS): New.
499 * config/m68k/sync.md (atomic_test_and_set): Use it.
500 (atomic_test_and_set_1): Likewise.
502 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
505 * Makefile.in: Let install-gcc-ar depend on installdirs,
506 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
507 Don't double canonicalize if cross-compiling.
509 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
511 * trans-mem.c: New typedef for tm_region_p.
512 Define vector types for tm_region_p.
513 (tm_region_init): Replace region_worklist to a vector called
516 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
519 * trans-mem.c (tm_region_init): Use last_basic_block.
521 2012-03-05 Richard Henderson <rth@redhat.com>
524 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
525 * omp-low.c (expand_omp_atomic): Assume anything aligned to
526 BIGGEST_ALIGNMENT is aligned.
528 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
530 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
532 2012-03-05 Richard Henderson <rth@redhat.com>
535 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
536 instead of calling negqi2 directly.
538 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
540 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
541 (INTMAX_TYPE): Use it.
542 (UINTMAX_TYPE): Likewise.
543 (SUBTARGET_OVERRIDE_OPTIONS): Define.
544 (irix6_c_common_override_options): Declare.
545 (C_COMMON_OVERRIDE_OPTIONS): Define.
546 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
547 * config/mips/irix6-c.c: New file.
548 * config/mips/t-irix6 (irix6-c.o): New target.
549 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
552 2012-03-02 Richard Henderson <rth@redhat.com>
554 * optabs.c (expand_atomic_test_and_set): Honor
555 atomic_test_and_set_trueval even when atomic_test_and_set
558 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
560 Backport from mainline
561 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
563 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
565 2012-03-02 Richard Guenther <rguenther@suse.de>
567 * DEV-PHASE: Set to prerelease.
569 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
571 * config.gcc (obsolete): Add all ARM targets using the FPA.
572 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
573 * doc/install.texi: Avoid references to obsolete ARM ports.
575 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
577 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
579 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
580 Joern Rennecke <joern.rennecke@embecosm.com>
582 * doc/extend.texi: Expand and update information on interrupt
583 attribute for Epiphany.
585 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
587 * config/sh/sh-protos.h: Update copyright notice dates.
588 * config/sh/sh.h: Likewise.
589 * config/sh/sh.md: Likewise.
590 * config/sh/constraints.md: Likewise.
591 * config/sh/predicates.md: Likewise.
593 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
595 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
596 * config/sh/sh.c (tertiary_reload_operand): Likewise.
598 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
600 * config/sh/constraints.md: Fix comment typo.
602 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
605 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
606 unsigned HOST_WIDE_INT.
607 (zvdep_imm64): Likewise.
608 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
609 (vdepi_and): Likewise.
610 Likewise for unamed 64-bit patterns.
611 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
613 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
616 PR rtl-optimization/52417
617 * cselib.c (cselib_any_perm_equivs): New variable.
618 (cselib_reset_table): Check that it's not set when not
619 preserving constants.
620 (cselib_add_permanent_equiv): Set it.
621 (cselib_have_permanent_equivalences): New.
622 (cselib_init, cselib_finish): Reset it.
623 * cselib.h (cselib_have_permanent_equivalences): Declare.
624 * alias.c (get_addr): Restore earlier behavior when there
625 aren't permanent equivalences.
627 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
629 * config/mn10300/mn10300-modes.def: Fix copyright notice.
630 * config/v850/v850-modes.def: Fix copyright notice.
632 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
634 * doc/extend.texi (AVR Built-in Functions): Document
635 __builtin_avr_flash_segment.
637 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
638 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
639 (*split.flash_segment): New insn-and-split.
640 * config/avr/avr.c (avr_init_builtins): Add local variables:
641 const_memx_void_node, const_memx_ptr_type_node,
642 char_ftype_const_memx_ptr.
644 2012-03-01 Jakub Jelinek <jakub@redhat.com>
646 PR tree-optimization/52445
647 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
648 add ssa_name_ver, offset and size fields and change store field
650 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
651 (add_or_mark_expr): Likewise. Only consider previous stores
652 with the same size and offset.
653 (nt_init_block): Only look at gimple_assign_single_p stmts,
654 doesn't look at rhs2.
656 2012-03-01 Richard Guenther <rguenther@suse.de>
659 * tree-cfg.c (verify_gimple_assign_unary): Allow any
660 conversions from integral types to pointer types.
662 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
664 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
665 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
666 unintentionally removed in r184616.
668 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
670 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
673 2012-02-29 Jakub Jelinek <jakub@redhat.com>
674 Uros Bizjak <ubizjak@gmail.com>
677 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
678 alternatives, add "e" constraint to the new last alternative
679 and ! to last 3 alternatives.
681 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
683 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
684 DW_AT_artificial attributes at the end of the processing.
685 (gen_array_type_die): Likewise.
686 (gen_enumeration_type_die): Likewise.
687 (gen_struct_or_union_type_die): Likewise.
688 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
691 2012-02-29 Jakub Jelinek <jakub@redhat.com>
694 * expr.c (expand_assignment): If doing misaligned store that doesn't
695 cover all mode bits, perform a RMW cycle.
697 PR tree-optimization/52429
698 * tree-parloops.c (separate_decls_in_region_debug): Return early
699 if var is LABEL_DECL.
701 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
703 PR tree-optimization/52424
704 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
705 calling dom_thread_across_edge.
707 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
709 * config/avr/avr.c: Move definition of TARGET macros to end of file.
711 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
713 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
714 * config/avr/avr.c (avr_output_bld): Remove unused function.
715 (avr_out_sbxx_branch): Use "%T" to print bit position.
717 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
719 * config/avr/avr.md: Untabify.
721 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
723 * config/avr/avr.md (eqne): New code iterator.
724 (*dec-and-branchsi): Use it in text peephole's condition.
725 (*dec-and-branchhi): Ditto.
726 (*dec-and-branchqi): Ditto.
728 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
731 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
732 the device does not have the skip-bug.
734 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
736 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
737 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
738 -mpretend-cmove): New.
740 2012-02-29 Jakub Jelinek <jakub@redhat.com>
743 * df.h (struct df_d): Adjust comment that hard_regs_live_count
744 doesn't count DEBUG_INSN refs.
745 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
748 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
752 2012-02-20 Richard Guenther <rguenther@suse.de>
753 PR tree-optimization/52298
754 * tree-vect-stmts.c (vectorizable_load): Properly use
755 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
758 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
761 * gimple.h (gimple_in_transaction): New.
762 (gimple_set_in_transaction): New.
763 (struct gimple_statement_base): Add in_transaction field.
764 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
766 (tree_ssa_lim_initialize): Compute transaction bits.
767 * tree.h (compute_transaction_bits): Protoize.
768 * trans-mem.c (tm_region_init): Use the heap to store BB
770 (compute_transaction_bits): New.
772 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
774 * gcc.c (display_help): Document --help=common and sort entries
777 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
779 * doc/install.texi: Document check-$LANG specific shortcuts
781 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
784 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
786 * config/arm/arm_neon.h: Regenerate.
787 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
788 (neon_vcgeu): New insn.
789 (neon_vcgtu): Likewise.
790 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
791 (ops): Unsigned comparison intrinsics call a different
794 2012-02-28 Richard Guenther <rguenther@suse.de>
797 * config/i386/i386.c (ix86_expand_vector_set): Fix element
798 ordering for the VEC_CONCAT for two element vectors for
799 V2SFmode, V2SImode and V2DImode.
801 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
804 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
805 detecting big-endian triplets.
807 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
809 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
810 mode if there is no type information available.
812 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
814 PR tree-optimization/53207
815 * doc/invoke.texi: Document as experimental and relying on graphite.
817 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
819 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
820 of initializer to changes from r184614.
822 2012-02-28 Richard Guenther <rguenther@suse.de>
824 PR tree-optimization/52395
825 * tree-sra.c (build_ref_for_offset): Also look at the base
826 TYPE_ALIGN when figuring out the alignment of the replacement.
828 2012-02-28 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/52402
831 * ipa-prop.c (ipa_modify_call_arguments): Properly use
832 mis-aligned types when creating the accesses at the call site.
834 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
836 * config/avr/builtins.def: New file.
837 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
838 * config/avr/avr.c (enum avr_builtin_id): Use it.
839 (avr_init_builtins): Use it. And use avr_bdesc.
840 (bdesc_1arg): Remove.
841 (bdesc_2arg): Remove.
842 (bdesc_3arg): Remove.
843 (struct avr_builtin_description): Add field n_args.
844 (avr_bdesc): New static variable using builtins.def.
845 (avr_expand_builtin): Use it.
846 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
847 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
848 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
850 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
853 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
854 match only one single hard register with respective hard reg rtx.
855 (movmemx_<mode>): Ditto.
856 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
857 insn anatomy of movmem[x]_<mode>.
858 (avr_out_movmem): Same for printing assembler and operand usage.
860 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
864 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
865 address spaces located outside of device flash.
867 * config/avr/avr.h (base_arch_s): Remove field n_segments.
868 (mcu_type_s): Add field n_flash.
869 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
870 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
871 (AVR_MCU): Add N_FLASH argument.
872 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
873 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
874 macro __FLASH<n> if that address space makes sense for the device.
875 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
876 outside of target flash.
877 (avr_asm_named_section): Ditto.
878 (avr_asm_select_section): Ditto.
879 (avr_addr_space_convert): Ditto.
880 (avr_emit_movmemhi): Ditto.
881 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
882 address space is outside of device flash.
883 (avr_insert_attributes): Ditto.
884 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
885 avr_current_arch->n_segments.
887 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
890 * config/i386/i386.md (*movabs<mode>_1): Enable only for
892 (*movabs<mode>_2): Likewise.
894 2012-02-27 Jakub Jelinek <jakub@redhat.com>
897 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
898 s_register_operand in the test instead of REG_P. Don't call
899 gen_reg_rtx if it won't be used.
901 PR tree-optimization/52376
902 * ipa-split.c (split_function): Ignore CLOBBER stmts.
904 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
906 * ifcvt.c (noce_get_condition): Check condition variable is not
907 small_register_classes_for_mode_p before accepting.
909 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
911 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
913 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
916 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
917 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
919 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
921 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
923 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
925 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
927 * config/sh/predicates.md: Remove blank lines.
928 * config/sh/sh.c: Fix typos in comments.
929 * config/sh/constraints.md: Likewise.
930 * config/sh/sh.md: Remove blank lines.
931 Fix typos in comments. Use ;; as comment characters.
933 2012-02-26 Walter Lee <walt@tilera.com>
935 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
936 (replace_mov_pcrel_step2): Ditto.
938 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
941 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
942 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
943 and locs that reference values newer than the non-canonical value
944 at hand. Return the canonical value as a worst case.
945 (memrefs_conflict_p): Walk canonical value's locs.
948 * cselib.c (preserve_only_constants): Rename to...
949 (preserve_constants_and_equivs): ... this. Split out...
950 (invariant_or_equiv_p): ... this. Preserve plus expressions
951 of other preserved expressions too.
952 (cselib_reset_table): Adjust.
953 * var-tracking.c (reverse_op): Use canonical value to build
956 2012-02-23 Kai Tietz <ktietz@redhat.com>
958 * config/i386/i386.c (ix86_delegitimize_address): Handle
959 UNSPEC_PCREL plus displacement.
961 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
964 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
965 to test for unusedness in st X addressing.
967 2012-02-24 Richard Guenther <rguenther@suse.de>
970 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
971 (is_gimple_reg_type): Move inline ...
972 * gimple.h (is_gimple_reg_type): ... here.
974 2012-02-24 Richard Guenther <rguenther@suse.de>
977 * passes.c (execute_function_todo): When verifying SSA form
978 verify gimple form first.
979 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
981 2012-02-24 Richard Guenther <rguenther@suse.de>
984 * fold-const.c (fold_addr_of_array_ref_difference): New function.
985 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
987 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
989 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
991 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
993 * tree-phinodes.c (make_phi_node): Mark static.
994 * tree-flow.h (make_phi_node): Remove extern decl.
995 * doc/gimple.texi (make_phi_node): Remove documentation.
997 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
999 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1000 * tree-ssa-sccvn.c (print_scc): Ditto.
1002 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1004 * doc/passes.texi (Full redundancy elimination): Fix typo.
1006 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1008 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1010 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1013 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1015 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1018 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1020 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1022 * config/avr/avr.md (code_stdname): Add ior, xor.
1023 (xior): New code iterator.
1024 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1025 (*<code_stdname><mode>qi.byte1-3): Ditto.
1027 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1029 PR tree-optimization/52019
1030 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1033 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1035 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1036 HAVE_INITFINI_ARRAY to work around namespace pollution in
1037 certain versions of newlib system headers.
1038 * config.in: Regenerate.
1039 * configure: Regenerate.
1040 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1041 instead of HAVE_INITFINI_ARRAY.
1043 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1046 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1047 is not offsettable memory reference.
1049 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1052 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1053 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1055 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1057 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1058 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1060 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1062 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1063 library on Solaris 8 even without TLS support.
1064 * configure: Regenerate.
1066 2012-02-22 Richard Guenther <rguenther@suse.de>
1069 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1070 for GIMPLE_DEBUG stmts.
1072 2012-02-22 Martin Jambor <mjambor@suse.cz>
1075 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1076 according to the base object.
1078 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1080 PR rtl-optimization/50063
1081 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1082 and 2 (8-bit SP) in operand 2.
1083 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1084 setup to use movhi_sp_r instead of vanilla move to write SP.
1085 Adjust REG_CFA notes to superseed unspec.
1086 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1088 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1089 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1090 irq_state 1 (IRQ known to be on) here.
1092 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1094 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1096 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1097 assign_hard_reg): Likewise.
1099 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1101 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1103 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1106 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1107 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1109 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1111 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1112 prototype from here to...
1113 * config/avr/avr.h: ...here.
1115 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1118 * thumb2.md (thumb2_shiftsi3_short): Split register and
1119 immediate shifts. For register shifts tie operands 0 and 1.
1120 (peephole2 for above): Check that register-controlled shifts
1121 have suitably tied operands.
1123 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1126 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1127 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1128 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1129 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1130 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1131 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1132 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1133 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1134 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1135 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1136 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1137 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1138 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1139 bdver1_ssevector_avx256_unaligned_load,
1140 bdver1_ssevector_sse128_unaligned_load,
1141 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1142 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1143 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1144 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1145 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1146 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1147 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1148 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1149 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1150 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1151 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1152 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1153 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1154 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1155 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1156 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1157 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1158 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1159 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1160 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1161 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1162 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1163 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1164 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1165 bdver1_ssediv_double_load, bdver1_ssediv_double,
1166 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1167 Add "bdver2" attribute.
1169 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1171 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1172 default if possible and not specified otherwise.
1174 2012-02-21 Richard Guenther <rguenther@suse.de>
1177 * gimplify.c (create_tmp_from_val): Use the main variant type
1178 for the type of the temporary we create.
1180 2012-02-21 Richard Guenther <rguenther@suse.de>
1182 PR tree-optimization/52324
1183 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1184 do not gimplify a MEM_REF address operand if it is already
1187 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1189 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1190 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1192 2012-02-21 Richard Guenther <rguenther@suse.de>
1194 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1195 nested_in_vect_loop.
1197 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1199 PR tree-optimization/52318
1200 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1201 vdef also to non-pure/const call stmts in the sequence.
1203 2012-02-20 David S. Miller <davem@davemloft.net>
1205 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1206 don't use the "rd %pc" instruction on v9 for PIC register loads.
1208 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1211 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1212 in a transaction safe function.
1214 2012-02-20 Kai Tietz <ktietz@redhat.com>
1217 * stor-layout.c (place_field): Handle desired_align for
1220 2012-02-20 Richard Guenther <rguenther@suse.de>
1222 PR tree-optimization/52298
1223 * tree-vect-stmts.c (vectorizable_store): Properly use
1224 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1226 (vectorizable_load): Likewise.
1227 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1228 Access DR_STEP after ensuring it is not NULL.
1230 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1232 PR tree-optimization/52286
1233 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1234 optimization use double_int_to_tree instead of build_int_cst_wide,
1235 rewrite to use double_int vars.
1237 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1240 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1242 Remove -e 0 from $gcc_cv_ld invocation.
1243 Only use __GLIBC_PREREQ if defined.
1244 Enable on Solaris since Solaris 8 patch.
1245 (gcc_SUN_LD_VERSION): New macro.
1246 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1247 gcc_SUN_LD_VERSION for version number format.
1248 * configure: Regenerate.
1249 * varasm.c (get_elf_initfini_array_priority_section): Set
1250 SECTION_NOTYPE for non-default priority.
1251 Use get_section instead of get_unnamed_section to emit
1252 .init_array/.fini_array with default priority.
1254 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1256 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1257 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1258 (mips_start_unique_function, mips_output_mips16_rdhwr)
1259 (mips_code_end): New functions.
1260 (TARGET_ASM_CODE_END): Define.
1262 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1264 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1265 to stubs with non-sibling calls.
1267 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1269 * doc/invoke.texi (-fira-* options): Copy-edit.
1270 (ira-* parameters): Copy-edit.
1272 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1274 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1275 GCC coding conventions.
1277 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1279 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1280 when used as adjectives.
1282 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1284 * doc/invoke.texi: Clean up "that"/"which" confusion.
1286 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1288 * system.h: Poison SMALL_REGISTER_CLASSES
1289 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1290 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1292 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1294 PR tree-optimization/52285
1295 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1296 when deciding if a call is a tail call or tail recursion.
1298 2012-02-16 Kai Tietz <ktietz@redhat.com>
1300 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1301 interger-constant displacement for UNSPEC_PCREL.
1303 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1305 PR rtl-optimization/52208
1306 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1307 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1309 PR tree-optimization/52255
1310 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1311 loop->header has virtual PHI, but exit_e->dest doesn't, add
1312 virtual PHI to exit_e->dest and adjust all uses after the loop.
1315 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1316 children with clone_tree_hash, not after it.
1318 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1320 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1321 extended identifiers.
1323 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1326 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1327 a same_body_alias, also test whether e->callee isn't a former
1328 or current clone of the decl this is a same body alias of.
1330 PR translation/52264
1331 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1333 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1335 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1337 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1340 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1341 force_reg instead of copy_to_reg for better optimization. Force
1342 non-register or memory operands into a register.
1344 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1346 * extend.texi: Reserve upper bits of memory model for future use.
1348 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1349 Anatoly Sokolov <aesok@post.ru>
1350 Eric Weddington <eric.weddington@atmel.com>
1353 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1354 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1355 Rewrite initializers for .macro.
1356 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1357 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1358 atxmega32d4, atxmega32x1.
1359 avrxmega4: atxmega64a3, atxmega64d3.
1360 avrxmega5: atxmega64a1, atxmega64a1u.
1361 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1362 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1363 avrxmega7: atxmega128a1, atxmega128a1u.
1364 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1365 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1366 (struct base_arch_s): Rename reserved to xmega_p.
1367 Rename reserved2 to have_rampd.
1368 (AVR_XMEGA): New define.
1369 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1370 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1371 * config/avr/predicates.md (io_address_operand): Take into
1373 (low_io_address_operand): Ditto.
1374 (high_io_address_operand): Ditto.
1375 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1376 (enabled, movhi_sp_r): Use them.
1377 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1378 cpp_define_formatted to built-in define __AVR_ARCH__.
1379 (__AVR_XMEGA__): New built-in define.
1380 (__AVR_HAVE_RAMPD__): New built-in define.
1381 (__AVR_HAVE_RAMPX__): New built-in define.
1382 (__AVR_HAVE_RAMPY__): New built-in define.
1383 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1385 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1386 (avr_option_override): Initialize them.
1387 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1388 (avr_init_expanders): Initialize them. No more block several calls.
1389 (emit_push_sfr): New static function.
1390 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1392 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1393 (avr_print_operand): Print addreeses as symbols for
1394 RAMPX, RAMPY, RAMPD, CCP.
1395 (output_movhi): Handle AVR_XMEGA when writing to SP.
1396 (avr_out_movhi_mr_r_xmega): New static function.
1397 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1398 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1399 __RAMPD__, __CCP__ as needed.
1401 * config/avr/multilib.h: Regenerate.
1402 * config/avr/t-multilib: Regenerate.
1403 * config/avr/avr-tables.opt: Regenerate.
1405 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1407 PR tree-optimization/50561
1408 * graphite-flattening.c (lst_project_loop): Do not
1409 remove old scattering dimensions after flattening.
1410 (lst_do_flatten): Likewise.
1412 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1414 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1415 __builtin_avr_map8, __builtin_avr_map16.
1416 Document __builtin_avr_insert_bits.
1418 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1419 (insert_bits): New insn.
1420 (adjust_len.map_bits): Rename to insert_bits.
1421 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1422 * avr-protos.h (avr_out_map_bits): Remove.
1423 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1424 * config/avr/constraints.md (Cxf,C0f): New.
1425 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1426 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1427 New built-in define __BUILTIN_AVR_INSERT_BITS.
1428 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1429 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1430 (avr_move_bits): Rewrite.
1431 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1433 (avr_map_op_t): New typedef.
1434 (avr_map_op): New static variable.
1435 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1436 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1437 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1438 (bdesc_3arg, avr_expand_triop_builtin): New.
1439 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1440 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1441 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1442 (avr_map_equal_p, avr_map_sig_p): Remove.
1443 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1444 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1445 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1446 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1447 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1448 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1450 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1452 * config/c6x/c6x.md (reserve_cycles): New attribute.
1453 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1454 don't reserve functional units after the branch occurs.
1456 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1459 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1460 functions into non-tm_pure functions.
1462 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1465 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1466 (iterative_hash_canonical_type): Likewise.
1467 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1470 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1472 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1473 sched-group insn, it either remains alone or the entire list is pruned.
1475 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1477 * doc/install.texi (Prerequisites): Fix grammar.
1478 (Configuration): Likewise.
1480 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1482 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1483 MPC as part of GCC before describing configuring with --with-gmp etc.
1484 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1485 sources are present.
1487 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1490 * dwarf2out.c (clone_tree_hash): New function.
1491 (copy_decls_walk): Use it instead of clone_tree.
1493 2012-02-14 Richard Guenther <rguenther@suse.de>
1495 PR tree-optimization/52244
1496 PR tree-optimization/51528
1497 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1498 replacements for integral types.
1500 2012-02-14 Walter Lee <walt@tilera.com>
1502 * config.gcc: Handle tilegx and tilepro.
1503 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1505 Add HAVE_AS_TLS check for tilegx and tilepro.
1506 * configure: Regenerate.
1507 * doc/contrib.texi: Add Mat Hostetter and self.
1508 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1509 Document instruction intrinsics and network accessing intrinsics.
1510 (TILEPro Built-in Functions): New node. Document instruction
1511 intrinsics and network accessing intrinsics.
1512 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1513 (Specific, tilepro-*-linux*): Likewise.
1514 * doc/invoke.texi (TILE-Gx Options): New section.
1515 (TILEPro Options): New section.
1516 * doc/md.texi (TILE-Gx): New section.
1517 (TILEPro): New section.
1518 * common/config/tilegx/tilegx-common.c: New file.
1519 * common/config/tilepro/tilepro-common.c: New file.
1520 * config/tilegx/constraints.md: New file.
1521 * config/tilegx/linux.h: New file.
1522 * config/tilegx/mul-tables.c: New file.
1523 * config/tilegx/predicates.md: New file.
1524 * config/tilegx/sync.md: New file.
1525 * config/tilegx/t-tilegx: New file.
1526 * config/tilegx/tilegx-builtins.h: New file.
1527 * config/tilegx/tilegx-c.c: New file.
1528 * config/tilegx/tilegx-generic.md: New file.
1529 * config/tilegx/tilegx-modes.def: New file.
1530 * config/tilegx/tilegx-multiply.h: New file.
1531 * config/tilegx/tilegx-protos.h: New file.
1532 * config/tilegx/tilegx.c: New file.
1533 * config/tilegx/tilegx.h: New file.
1534 * config/tilegx/tilegx.md: New file.
1535 * config/tilegx/tilegx.opt: New file.
1536 * config/tilepro/constraints.md: New file.
1537 * config/tilepro/gen-mul-tables.cc: New file.
1538 * config/tilepro/linux.h: New file.
1539 * config/tilepro/mul-tables.c: New file.
1540 * config/tilepro/predicates.md: New file.
1541 * config/tilepro/t-tilepro: New file.
1542 * config/tilepro/tilepro-builtins.h: New file.
1543 * config/tilepro/tilepro-c.c: New file.
1544 * config/tilepro/tilepro-generic.md: New file.
1545 * config/tilepro/tilepro-modes.def: New file.
1546 * config/tilepro/tilepro-multiply.h: New file.
1547 * config/tilepro/tilepro-protos.h: New file.
1548 * config/tilepro/tilepro.c: New file.
1549 * config/tilepro/tilepro.h: New file.
1550 * config/tilepro/tilepro.md: New file.
1551 * config/tilepro/tilepro.opt: New file.
1553 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1555 PR tree-optimization/52210
1556 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1557 vect_model_simple_cost with two entry vect_def_type array instead
1558 of an address of dt.
1560 2012-02-14 Richard Guenther <rguenther@suse.de>
1563 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1564 Do not stream DECL_QUALIFIER.
1565 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1566 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1567 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1569 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1572 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1575 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1578 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1579 * cselib.c (cselib_subst_to_values_from_insn): New function.
1580 * sched-deps.c (add_insn_mem_dependence,
1581 sched_analyze_1, sched_analyze_2): Use it.
1583 2012-02-13 Jan Hubicka <jh@suse.cz>
1586 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1588 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1590 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1591 (GTM_SELF_SPECS): Define if not already defined.
1592 (driver_self_specs): Add GTM_SELF_SPECS.
1593 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1594 (GTM_SELF_SPECS): Define.
1595 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1596 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1598 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1600 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1603 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1606 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1607 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1609 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1612 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1614 2012-02-13 Richard Guenther <rguenther@suse.de>
1616 PR translation/52211
1617 * passes.c (enable_disable_pass): Fix typo.
1619 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1622 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1623 XOR for reduce_bit_field if type is unsigned.
1625 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1627 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1628 disallow changes from SFmode to mode with different size in FP regs.
1630 2012-02-12 Robert Millan <rmh@gnu.org>
1631 Gerald Pfeifer <gerald@pfeifer.com>
1633 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1636 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1638 PR rtl-optimization/52175
1639 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1640 to frame-related instructions.
1642 2012-02-10 Jason Merrill <jason@redhat.com>
1645 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1646 (demangle_new_symbols): Fill it.
1647 (scan_linker_output): Walk it.
1648 (start_tweaking): Split out from scan_linker_output.
1649 (maybe_tweak): Update sym->chosen.
1650 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1652 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1655 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1657 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1659 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1660 having the same mode as previous compare.
1662 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1664 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1665 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1666 (nonlocal_goto_internal): Likewise.
1667 (nonlocal_goto): Emit a use and an indirect jump directly.
1669 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1672 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1673 __atomic_{is,always}_lock_free.
1675 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1678 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1679 negative constant address for x32.
1681 2012-02-10 Richard Henderson <rth@redhat.com>
1683 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1684 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1685 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1687 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1688 Ira Rosen <irar@il.ibm.com>
1690 PR tree-optimization/50031
1691 * targhooks.c (default_builtin_vectorization_cost): Handle
1693 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1694 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1695 all types of reduction and pattern statements.
1696 (vect_estimate_min_profitable_iters): Likewise.
1697 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1698 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1699 for explicit realigns.
1700 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1701 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1703 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1704 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1705 vec_perm for VSX and handle vec_promote_demote.
1707 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1710 * builtins.c (fold_builtin_atomic_always_lock_free,
1711 expand_builtin_atomic_always_lock_free,
1712 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1713 Return and/or test boolean_true_node/boolean_false_node instead of
1714 integer_one_node/integer_zero_node.
1716 2012-02-10 Jan Hubicka <jh@suse.cz>
1719 * predict.c (predict_paths_for_bb): Prevent looping.
1720 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1722 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1724 * config/arm/arm.c (output_move_double): In one case properly
1725 count number of instructions that will be emitted.
1727 2012-02-10 Richard Guenther <rguenther@suse.de>
1729 PR translation/52193
1730 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1732 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1735 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1737 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1740 * var-tracking.c (emit_note_insn_var_location): If
1741 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1742 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1743 non-NOTE_DURING_CALL_P insn.
1745 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1748 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1750 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1753 * gcc.c (switch_matches) Support switches with separated form,
1756 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1758 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1760 (RAMPZ_ADDR): Ditto.
1761 * config/avr/avr.c (avr_addr_t): New typedef.
1762 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1763 (avr_init_expanders): Initialize it.
1764 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1766 (expand_epilogue): Ditto.
1767 (avr_print_operand): Ditto.
1768 (avr_file_start): Ditto.
1769 (avr_emit_movmemhi): Ditto.
1771 2012-02-08 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/46886
1774 * tree-flow.h (do_while_loop_p): Declare.
1775 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1776 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1778 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1780 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1781 always succeed for integers larger than a native word.
1783 2012-02-08 Richard Guenther <rguenther@suse.de>
1785 PR rtl-optimization/52170
1786 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1787 properly handle integer vector modes.
1789 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1791 PR gcov-profile/52150
1792 * coverage.c: Include target.h.
1793 (build_var): Call targetm.strip_name_encoding on the assembler name.
1794 Change one _ into . or $ if the target allows it.
1795 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1797 PR rtl-optimization/52139
1798 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1799 is a BARRIER after emit_insn_after_noloc, move BB_END
1800 to the last non-BARRIER insn before it.
1802 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1805 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1806 (mips_gimplify_va_arg_expr): Call it instead of
1807 std_gimplify_va_arg_expr.
1809 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1811 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1812 message for -mno-pointers-to-nested-function.
1814 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1817 * expr.c (get_inner_reference): If there is an offset, add a negative
1818 bit position to it (if any).
1820 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1822 PR rtl-optimization/52060
1823 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1824 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1825 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1826 and/or i0src_copy2 when needed.
1828 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1830 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1831 or LTOPLUGINSONAME if have_c.
1833 * config/freebsd-spec.h: Add comment about what macros can be defined
1835 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1836 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1839 2012-02-07 Richard Guenther <rguenther@suse.de>
1841 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1842 newline in -alias dumps.
1844 2012-02-07 Kai Tietz <ktietz@redhat.com>
1845 Dave Korn <dave.korn.cygwin@gmail.com>
1848 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1849 Take care that typinfo gets dllexport-attribute.
1851 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1854 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1855 if modifier < EXPAND_SUM call force_operand on the result.
1857 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1859 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1860 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1862 (epiphany_function_type): Replace types for specific interrupts with
1863 EPIPHANY_FUNCTION_INTERRUPT.
1864 (EPIPHANY_INTERRUPT_P): Update.
1865 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1866 New static function.
1867 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1868 <disinterrupt>: Affects type identity.
1869 (epiphany_handle_interrupt_attribute): Handle variable number of
1871 (epiphany_compute_function_type): Update for new
1872 epiphany_function_type definition.
1873 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1874 handlers with a longcall forwarder.
1875 (epiphany_start_function): Handle multiple interrupt arguments and/or
1876 forwarder_section attribute.
1878 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1881 2012-02-07 Alan Modra <amodra@gmail.com>
1884 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1887 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1889 PR tree-optimization/50969
1890 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1891 use vec_perm rather than vector_stmt.
1892 (vect_model_load_cost): Likewise.
1893 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1894 vec_perm to be the same as other vector statements.
1895 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1896 cost of vec_perm for TARGET_VSX.
1898 2012-02-06 Richard Guenther <rguenther@suse.de>
1900 PR tree-optimization/52115
1901 * tree-sra.c (access_has_replacements_p): New function.
1902 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1904 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1907 * trans-mem.c (expand_call_tm): Add an assertion.
1908 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1911 2012-02-06 Richard Guenther <rguenther@suse.de>
1913 PR tree-optimization/50955
1914 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1915 raise cost of expressions that replace an address with an
1916 expression based on a different pointer.
1918 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1921 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1922 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1924 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1927 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1928 -Weffc++ and specify guidelines come from second edition.
1930 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1932 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1933 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1934 (call_direct_split, call_value_split, call_value_internal_direct)
1935 (call_value_direct_split, call_value_multiple_split): Use jal and
1936 jal_macro attributes.
1938 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1940 * reload1.c (reload_regs_reach_end_p): Replace with...
1941 (reload_reg_rtx_reaches_end_p): ...this function.
1942 (new_spill_reg_store): Update commentary.
1943 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1944 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1945 before setting new_spill_reg_store.
1946 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1947 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1948 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1949 for non-spill reload registers.
1951 2012-02-05 Ira Rosen <irar@il.ibm.com>
1953 PR tree-optimization/52091
1954 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1955 (vect_is_simple_use_1): Likewise.
1956 * tree-vect-loop.c (vectorizable_reduction): Update calls
1957 to vect_is_simple_use_1 and vect_is_simple_use.
1958 (vectorizable_live_operation): Likewise.
1959 * tree-vect-patterns.c (widened_name_p,
1960 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1961 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1962 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1963 vectorizable_shift,vectorizable_operation, vectorizable_store,
1964 vectorizable_load): Likewise.
1965 (vect_is_simple_cond): Add an argument, pass it to
1966 vect_is_simple_use_1.
1967 (vectorizable_condition): Update calls to vect_is_simple_cond,
1969 (vect_is_simple_use): Add an argument, the statement in which
1970 OPERAND is used. Check that if OPERAND's def stmt is a double
1971 reduction phi node, the use is a phi node too.
1972 (vect_is_simple_use_1): Add an argument, pass it to
1974 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1975 to vect_is_simple_use.
1977 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1979 PR rtl-optimization/52095
1980 * modulo-sched.c (dump_insn_locator): New function.
1981 (loop_canon_p, sms_schedule): Use it.
1983 PR rtl-optimization/52113
1984 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1985 even for decomposable shift/zext insns.
1987 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1988 Zdenek Dvorak <ook@ucw.cz>
1990 PR rtl-optimization/52092
1991 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1992 on get_iv_value result.
1994 2012-02-02 Andrew Pinski <apinski@cavium.com>
1998 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2000 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2003 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2005 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2007 PR rtl-optimization/49800
2008 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2009 (sched_finish): Call regstat_free_n_sets_and_refs.
2011 2012-02-02 Jia Liu <proljc@gmail.com>
2013 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2016 2012-02-02 Jan Hubicka <jh@suse.cz>
2017 Tom de Vries <tom@codesourcery.com>
2020 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2021 * varpool.c (varpool_analyze_pending_decls): Likewise.
2023 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2024 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2026 * config.gcc: Add cr16-* support.
2028 * doc/extend.texi: Document cr16 extensions.
2029 * doc/install.texi: Document cr16 install.
2030 * doc/invoke.texi: Document cr16 options.
2031 * doc/md.texi: Document cr16 constraints.
2033 * common/config/cr16/cr16-common.c: New file.
2034 * config/cr16/cr16.c: New file.
2035 * config/cr16/cr16.h: New file.
2036 * config/cr16/cr16.md: New file.
2037 * config/cr16/cr16.opt: New file.
2038 * config/cr16/cr16-protos.h: New file.
2039 * config/cr16/predicates.md: New file.
2040 * config/cr16/constraints.md: New file.
2041 * config/cr16/t-cr16: New file.
2043 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2046 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2047 that operands[2] is either immediate, or q_regs_operand.
2049 PR tree-optimization/52073
2050 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2051 a pattern stmt for pattern uses, ignore uses outside of the loop.
2053 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2055 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2056 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2057 (OUT_AS1, OUT_AS2): Remove.
2059 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2061 PR rtl-optimization/51374
2062 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2063 to cross other volatile_refs_p insns.
2065 2012-02-01 Richard Guenther <rguenther@suse.de>
2067 * doc/invoke.texi (fno-inline): Clarify documentation.
2068 (finline-small-functions): Likewise.
2069 (finline-functions): Likewise.
2070 * common.opt (finline): Adjust comment and documentation.
2071 (finline-small-functions): Clarify documentation.
2072 (finline-functions): Likewise.
2073 (finline-functions-called-once): Likewise.
2075 2012-02-01 Tristan Gingold <gingold@adacore.com>
2077 * c-typeck.c (composite_type): Keep mode for pointers.
2079 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2081 * function.h (regno_reg_rtx): Adjust comment.
2082 * reginfo.c (init_reg_modes_target): Only use the previous mode
2083 if it fits within one register. Remove MIPS comment.
2085 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2088 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2090 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2092 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2093 to srak instruction.
2095 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2097 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2099 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2104 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2106 2012-01-31 Richard Guenther <rguenther@suse.de>
2108 PR tree-optimization/51528
2109 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2112 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2117 * ree.c (add_removable_extension): Change def_map argument
2118 to unsigned *, store in def_map 1 + offset into *insn_list vector
2119 instead of pointers into the vector.
2120 (find_removable_extensions): Adjust caller.
2122 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2124 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2125 Transform all "* quoted-c-code" to { c-code }.
2126 Remove redundant test for "optimize" in combine patterns.
2127 Move (include "avr-dimode.md") to end of file.
2129 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2132 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2133 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2135 2012-01-30 Richard Guenther <rguenther@suse.de>
2137 PR tree-optimization/52028
2138 * tree-loop-distribution.c (ldist_gen): Properly update
2141 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2144 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2145 set_cur_line_info_table if not emitting debug info.
2147 PR tree-optimization/52046
2148 * tree-vect-patterns.c (check_bool_pattern): Give up if
2149 a comparison could throw.
2152 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2154 2012-01-30 Richard Guenther <rguenther@suse.de>
2156 PR tree-optimization/52045
2157 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2158 SSA form if cfgcleanup did anything.
2160 2012-01-30 Richard Guenther <rguenther@suse.de>
2162 PR tree-optimization/52045
2163 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2164 before computing final todo.
2166 2012-01-30 Richard Guenther <rguenther@suse.de>
2168 PR tree-optimization/51528
2169 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2172 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2174 * df-problems.c (df_kill_notes): Check that the use refers
2175 to the note under examination.
2177 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2180 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2181 parameter and use short-lived pseudos.
2182 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2183 (sparc_expand_vector_init): Const-ify local variables and adjust
2184 calls to above functions.
2186 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2188 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2190 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2192 * doc/invoke.texi: Make usage of "compile time" and
2193 "run time"/"runtime" consistent throughout the file.
2195 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2197 * config/alpha/alpha.c (alpha_option_override): Default to
2198 full IEEE compliance mode for Go language.
2200 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2202 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2203 (LINK_SSP_SPEC): Define.
2205 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2208 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2211 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2213 * doc/invoke.texi: Correct hyphenation of "floating point",
2214 "double precision", and related terminology throughout the file.
2216 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2219 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2220 arm_general_register_operand predicate for operand 2 instead of
2223 2012-01-27 Ian Lance Taylor <iant@google.com>
2226 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2227 * builtins.c (expand_builtin_init_trampoline): Add onstack
2228 parameter. Change caller.
2229 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2230 * tree.c (build_common_builtin_nodes): Declare
2231 __builtin_init_heap_trampoline.
2233 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2235 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2236 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2237 * config/avr/avr.c: Ditto.
2238 (avr_regnames): Remove because unused.
2239 * config/avr/avr.md (*cpse.ne): New peephole.
2240 (*cpse.eq): New peephole from former cpse peepholes.
2242 2012-01-27 Michael Eager <eager@eagercon.com>
2244 * config/microblaze.c (microblaze_emit_compare): Correct
2245 test after pcmp instruction.
2247 2012-01-27 Richard Guenther <rguenther@suse.de>
2249 PR tree-optimization/52020
2250 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2252 2012-01-27 Richard Guenther <rguenther@suse.de>
2254 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2255 function non-const/pure.
2257 2012-01-27 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/50444
2260 * tree-sra.c (build_ref_for_offset): Properly adjust the
2261 MEM_REF type for unaligned accesses.
2263 2012-01-27 Richard Guenther <rguenther@suse.de>
2265 PR tree-optimization/50444
2266 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2267 (expand_assignment): Use it. Properly handle misaligned
2268 bases when expanding stores to component references.
2269 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2272 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2275 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2276 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2277 * tree-data-ref.c (find_data_references_in_loop): Make static.
2278 (compute_all_dependences): Change return type to bool. Bail out
2279 for too many datarefs in a loop. Move the hunk resetting the data
2280 dependences vector from ...
2281 (compute_data_dependences_for_loop): ... here. Account for
2282 compute_all_dependences returning false.
2283 (compute_data_dependences_for_bb): Likewise.
2284 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2285 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2287 2012-01-27 Richard Guenther <rguenther@suse.de>
2290 * expr.c (store_field): Use the alias-set of the scratch memory
2293 2012-01-27 Tom de Vries <tom@codesourcery.com>
2295 PR tree-optimization/51990
2296 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2298 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2300 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2303 * var-tracking.c (reverse_op): Don't add any reverse operation
2304 if V already has any constant locations.
2306 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2308 * doc/invoke.texi: Correct usage of "command line" (noun)
2309 vs "command-line" (adjective) throughout.
2311 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2313 * doc/invoke.texi (Language Independent Options): Move
2314 -Wcoverage-mismatch blurb from here....
2315 (Warning Options): ...to here.
2317 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2319 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2320 Set rs6000_always_hint to false for 476.
2322 2012-01-27 Matthias Klose <doko@ubuntu.com>
2324 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2326 * incpath.c (add_standard_paths): Likewise.
2328 2012-01-27 Richard Henderson <rth@redhat.com>
2330 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2331 * config/m68k/sync.md (atomic_test_and_set): Rename from
2332 sync_test_and_setqi and adjust the operands.
2333 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2334 and unconditionally enable.
2336 2012-01-27 Richard Henderson <rth@redhat.com>
2338 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2339 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2340 (ldstub): Rename from ldstubqi.
2341 (ldstub<I24MODE>): Remove.
2343 2012-01-27 Richard Henderson <rth@redhat.com>
2345 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2346 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2347 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2348 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2349 * doc/tm.texi: Rebuild.
2351 2012-01-27 Richard Henderson <rth@redhat.com>
2353 * optabs.c (gen_atomic_test_and_set): Remove default.
2354 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2356 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2358 PR rtl-optimization/51978
2359 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2360 (combine_reaching_defs): Likewise.
2361 (struct re_info): Remove.
2362 (add_removable_extension): Remove x and data arguments,
2363 add insn, insn_list and def_map. Use the arguments directly
2364 instead of using struct re_info.
2365 (find_removable_extensions): Don't call add_removable_extension
2366 through note_stores, instead just call it with single_set
2368 (find_and_remove_re): Pass curr_cand->expr instead of
2369 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2371 2012-01-26 Michael Matz <matz@suse.de>
2373 PR tree-optimization/46590
2374 * cfgexpand.c: Revert last change (r183305).
2375 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2377 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2378 checking for emptiness.
2380 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2383 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2384 non-addressable non-BLKmode base correctly.
2386 2012-01-26 Michael Matz <matz@suse.de>
2388 PR tree-optimization/48794
2389 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2390 regions referenced from RESX/EH_DISPATCH.
2392 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2394 * config/s390/s390.h: Make BRANCH_COST an option.
2395 * config/s390/s390.opt: New option -mbranch-cost.
2397 2012-01-26 Richard Henderson <rth@redhat.com>
2399 Revert 2012-01-24 change:
2400 * trans-mem.c (requires_barrier): Do not instrument thread local
2401 variables and emit save/restore for them.
2403 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2406 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2409 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2411 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2414 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2417 Rename __pgm to __flash.
2418 Rename __pgm1 to __flash1.
2419 Rename __pgm2 to __flash2.
2420 Rename __pgm3 to __flash3.
2421 Rename __pgm4 to __flash4.
2422 Rename __pgm5 to __flash5.
2423 Rename __pgmx to __memx.
2424 * doc/extend.texi (AVR Named Address Spaces)
2425 Rename address space names as indicated above.
2426 * config/avr/avr.c (avr_addrspace): Ditto.
2428 * config/avr/avr-protos.h
2429 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2430 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2431 * config/avr/predicates.md: Ditto.
2432 * config/avr/avr.c Ditto, and
2433 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2434 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2436 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2437 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2438 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2439 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2440 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2441 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2442 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2443 * config/avr/avr.c: Ditto.
2444 * config/avr/avr.md: Ditto.
2446 2012-01-25 Jason Merrill <jason@redhat.com>
2449 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2451 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2453 PR tree-optimization/51987
2454 * tree-data-ref.c (get_references_in_stmt): Handle references in
2455 non-volatile GIMPLE_ASM.
2457 2012-01-25 Richard Guenther <rguenther@suse.de>
2459 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2460 bases are dereferenced.
2462 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2464 PR rtl-optimization/48374
2465 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2467 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2469 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2470 compute_data_dependences_for_loop returns false.
2471 * tree-parloops.c (loop_parallel_p): Likewise.
2473 2012-01-25 Richard Guenther <rguenther@suse.de>
2475 * tree.h (get_pointer_alignment_1): Declare.
2476 * builtins.c (get_pointer_alignment_1): New function.
2477 (get_pointer_alignment): Use it.
2479 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2481 PR rtl-optimization/48308
2482 * combine.c (enum undo_kind): Add UNDO_LINKS.
2483 (struct undo): Add member l to other_contents and where.
2484 (do_SUBST_LINK): New.
2486 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2487 (undo_all): Handle UNDO_LINKS.
2489 2012-01-25 Richard Henderson <rth@redhat.com>
2491 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2494 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2496 * optabs.c (gen_atomic_test_and_set): Use each argument.
2498 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2500 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2501 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2502 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2503 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2504 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2505 TARGET_PAIRED_SINGLE_FLOAT.
2507 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2509 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2510 (in_struct, return_val): Remove MEM documentation.
2511 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2512 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2513 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2515 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2516 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2517 * expr.c (store_field): Likewise.
2518 * function.c (assign_stack_temp_for_type): Likewise.
2519 * ifcvt.c (noce_try_cmove_arith): Likewise.
2520 * reload1.c (reload): Likewise.
2521 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2522 (alpha_set_memflags): Likewise.
2523 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2525 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2527 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2529 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2530 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2531 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2533 * cselib.c (cselib_rtx_varies_p): Delete.
2534 (cselib_invalidate_mem): Update call to canon_true_dependence.
2535 * dse.c (record_store, check_mem_read_rtx): Likewise.
2536 (scan_reads_nospill): Likewise.
2537 * cse.c (check_dependence): Likewise.
2538 (cse_rtx_varies_p): Delete.
2539 * expr.c (safe_from_p): Update call to true_dependence.
2540 * ira.c (validate_equiv_mem_from_store): Likewise.
2541 (memref_referenced_p): Likewise.
2542 * postreload-gcse.c (find_mem_conflicts): Likewise.
2543 * sched-deps.c (sched_analyze_2): Likewise.
2544 * store-motion.c (load_kills_store): Likewise.
2545 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2546 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2547 (compute_transp): Update call to canon_true_dependence.
2549 2012-01-25 Richard Henderson <rth@redhat.com>
2551 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2552 (maybe_emit_atomic_test_and_set): New.
2553 (expand_sync_lock_test_and_set): Use it.
2554 (expand_atomic_test_and_set): Likewise.
2555 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2556 the implementation; clarify implementation defined details.
2557 * doc/md.texi (atomic_test_and_set): Document.
2559 2012-01-25 Richard Henderson <rth@redhat.com>
2561 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2563 2012-01-25 Richard Henderson <rth@redhat.com>
2566 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2567 to effect no-op split.
2569 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2572 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2573 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2574 (BT_FN_VOID_PTR_INT_SIZE): New.
2575 (BT_FN_UINT_UINT_VAR): Remove.
2576 (BT_FN_UINT32_UINT32_VAR): New.
2577 (BT_FN_DOUBLE_VPTR): Remove.
2578 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2580 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2581 (_ITM_changeTransactionMode): Same.
2582 (_ITM_memmoveRtWt): Change return type to void.
2583 (_ITM_memcpyRtWt): Same.
2584 (_ITM_memsetW): Same.
2585 (_ITM_RaRD): Change types to double.
2590 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2592 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2593 Patrick Marlier <patrick.marlier@gmail.com>
2595 * trans-mem.c (requires_barrier): Do not instrument thread local
2596 variables and emit save/restore for them.
2598 2012-01-24 Jason Merrill <jason@redhat.com>
2601 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2602 output static aliases.
2604 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2607 * common.opt (-pie, -shared, pie, shared): Change from Common to
2609 * gcc.c (display_help): Display help for -pie and -shared.
2611 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2614 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2615 Remove note on size/offset limitation.
2616 (AVR Variable Attributes): Add example how to read data located
2617 with progmem. Refer to named address spaces.
2618 * doc/invoke.texi (AVR Options): Fix typo.
2620 2012-01-24 Richard Guenther <rguenther@suse.de>
2622 Forward-port to trunk
2623 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2626 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2627 op0 isn't sufficiently aligned and there is movmisalignM
2628 insn for mode, use it to load op0 into a temporary register.
2630 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2633 * target.def (const_not_ok_for_debug_p): New hook.
2634 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2636 * doc/tm.texi: Regenerated.
2637 * dwarf2out.c (const_ok_for_output_1): If
2638 targetm.const_not_ok_for_debug_p returns true, fail.
2639 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2641 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2643 2012-01-23 Kai Tietz <ktietz@redhat.com>
2646 * config/i386/predicates.md (symbolic_operand): Allow
2647 UNSPEC_PCREL as PIC expression for lea.
2648 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2649 * config/i386/i386.c (ix86_delegitimize_address): Handle
2650 UNSPEC_PCREL for none-MEM, too.
2652 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2654 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2655 (ipa_tm_create_version_alias): Same.
2657 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2660 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2661 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2663 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2664 Patrick Marlier <patrick.marlier@gmail.com>
2665 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2668 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2669 simple_object_start_read.
2671 2012-01-23 Richard Guenther <rguenther@suse.de>
2674 PR tree-optimization/51895
2675 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2676 parameter decomposition into BLKmode components.
2678 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2680 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2681 fake variables for restrict-qualified pointers whose pointed-to type
2682 contains a placeholder.
2684 2012-01-23 Richard Guenther <rguenther@suse.de>
2686 PR tree-optimization/51949
2687 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2689 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2691 PR rtl-optimization/51933
2692 * ree.c (transform_ifelse): Return true right away if dstreg is
2693 already wider or equal to cand->mode.
2694 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2695 (make_defs_and_copies_lists): Remove defs_list and copies_list
2696 arguments, add state argument, just truncate state->work_list
2697 instead of always allocating and freeing the vector. Assert that
2698 get_defs succeeds instead of returning 2. Changed return type to bool.
2699 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2700 have ext_src_mode, see if it has been modified already with the
2701 right kind of extension and has been extended before from the
2702 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2703 just return true. Remember the original mode in state->modified array.
2704 (combine_reaching_defs): Add state argument. Don't allocate and
2705 free here def_list, copied_list and vec vectors, instead just
2706 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2707 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2708 Add state variable, clear vectors in it, initialize state.modified
2709 if needed. Free all the vectors at the end and state.modified too.
2710 Don't skip a candidate if the extension expression has been modified.
2712 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2715 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2716 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2717 (extra_options) interix.opt -> i386/interix.opt"
2718 (extra_objs):Add winnt-stubs.o
2719 * configure.ac: Add interix to target_os .comm on PE check.
2720 * configure: Regenerate.
2721 * config/interix3.h: Delete and move bits to..
2722 * config/interix.h: Delete and move bits to..
2723 * config/i386/i386-interix3.h: Delete and move bits to..
2724 * config/i386/i386-interix.h: ..here.
2725 (TARGET_CPU_DEFAULT): Remove redefinition.
2726 (TARGET_ASM_CONSTRUCTOR): Undefine.
2727 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2728 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2729 (PTRDIFF_TYPE): Define.
2730 (LONG_DOUBLE_TYPE_SIZE): Define.
2731 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2732 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2733 (TARGET_SECTION_TYPE_FLAGS): Define.
2734 (ASM_DECLARE_FUNCTION_NAME): Define.
2735 (ASM_OUTPUT_EXTERNAL): Define.
2736 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2737 (ASM_OUTPUT_ALIGNED_BSS): Define.
2738 (PCC_BITFIELD_TYPE_MATTERS): Define.
2739 (USE_CONST_SECTION): Define.
2740 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2741 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2742 (SUPPORTS_ONE_ONLY): Remove.
2743 (I386_PE_STRIP_ENCODING): Define.
2744 * config/interix.opt: Delete and move bits to..
2745 * config/i386/interix.opt: ..here. New.
2746 (mpe-aligned-commons): Add.
2747 * config/i386/t-interix: Add copyright header.
2748 (winnt-stubs.o): Add rule.
2750 2012-01-22 Jason Merrill <jason@redhat.com>
2753 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2754 for extra name aliases.
2756 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2758 PR rtl-optimization/51924
2759 * ree.c (combine_set_extension): Improve debugging message.
2760 (combine_reaching_defs): Likewise.
2761 (get_defs): Rename confusingly named variable.
2762 (find_and_remove_re): Skip a candidate if the extension expression has
2765 2012-01-21 Robert Millan <rmh@gnu.org>
2766 Gerald Pfeifer <gerald@pfeifer.com>
2768 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2769 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2771 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2773 PR tree-optimization/51914
2774 * tree-vect-stmts.c (vectorizable_conversion): For
2775 cvt_type && modifier == WIDEN, put temporary with cvt_type
2776 at the beginning of vec_dsts and set vec_dest to temporary
2779 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2781 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2783 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2785 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2786 * config/rs6000/rs6000.c: Likewise.
2788 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2791 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2792 output_move_double on a copy of operands array.
2794 2012-01-20 Cary Coutant <ccoutant@google.com>
2795 Dodji Seketeli <dodji@redhat.com>
2798 * dwarf2out.c (copy_declaration_context): Return ref to parent
2799 of declaration DIE, if necessary.
2800 (remove_child_or_replace_with_skeleton): Add new parameter; update
2801 caller. Place skeleton DIE under parent DIE of original declaration.
2802 Move call to copy_declaration_context to here ...
2803 (break_out_comdat_types): ... from here.
2805 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2807 PR rtl-optimization/51856
2808 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2811 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2814 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2815 hints for neon loads and stores.
2817 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2821 * doc/extend.texi (Named Address Spaces): Split into subsections.
2822 (AVR Named Address Spaces): New subsection.
2823 (M32C Named Address Spaces): New subsection.
2824 (RL78 Named Address Spaces): New subsection.
2825 (SPU Named Address Spaces): New subsection.
2826 (Variable Attributes): New anchor "AVR Variable Attributes".
2827 (AVR Variable Attributes): Rewrite and avoid wording
2828 "address space" in this context.
2829 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2830 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2831 (AVR Built-in Macros): New subsubsection therein.
2832 * doc/md.texi (AVR constraints): Remove "C04", "R".
2834 2012-01-20 Richard Guenther <rguenther@suse.de>
2836 PR tree-optimization/51903
2837 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2838 when removing stmts.
2840 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2843 * config/arm/arm.c (arm_load_pic_register): Use
2844 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2845 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2846 (arm_pic_static_addr): Likewise.
2847 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2848 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2849 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2850 (pic_load_addr_unified): New.
2852 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2855 * function.c (instantiate_virtual_regs_in_insn): Use
2856 delete_insn_and_edges when removing a wrong asm insn.
2858 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2860 PR rtl-optimization/40761
2861 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2862 Add new member loop_num.
2863 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2864 (ira_build): Remove the parameter.
2866 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2867 (ira.c): Do not build CFG loops for one region allocation. Remove
2868 argument from ira_build call.
2870 * ira-build.c (init_loop_tree_node): New function.
2871 (create_loop_tree_nodes): Use it. Separate the case when CFG
2872 loops are not built.
2873 (more_one_region_p): Check current_loops.
2874 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2876 (add_loop_to_tree): Process loop equal to NULL too.
2877 (form_loop_tree): Separate the case when CFG loops are not built.
2878 Use explicitly number for the root.
2879 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2881 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2882 instead of loop->num.
2883 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2884 (mark_all_loops_for_removal): Ditto.
2885 (remove_unnecessary_regions): Separate the case when CFG loops
2887 (ira_build): Remove the parameter. Use explicit number of regions
2888 when CFG loops are not built.
2890 * ira-color.c (print_loop_title): Separate the case for the root node.
2891 Use loop_num instead of loop->num.
2892 (move_spill_restore): Use loop_num instead of loop->num.
2894 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2895 (change_loop): Ditto.
2896 (change_loop): Use loop_num instead of loop->num.
2898 * ira-lives.c (process_bb_node_lives): Ditto.
2900 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2902 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2904 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2907 * tree-mudflap.c (mf_artificial): New function.
2908 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2909 mx_register_decls, mudflap_enqueue_decl): Use it.
2912 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2913 numbers in the insn pattern.
2915 2012-01-19 Michael Matz <matz@suse.de>
2917 PR tree-optimization/46590
2918 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2919 use it in remembering which conflicts we already created.
2920 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2923 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2926 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2927 (merge_and_complain): Same.
2929 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2932 * config/initfini-array.h: Guard content of the header
2933 with #ifdef HAVE_INITFINI_ARRAY.
2934 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2935 Add initfini-array.h to tm_file here.
2936 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2937 * config.gcc: Don't add initfini-array.h to tm_file here.
2938 * configure: Regenerated.
2940 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2942 PR rtl-optimization/51505
2943 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2944 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2945 (df_note_bb_compute): Update the call to df_kill_notes.
2947 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2949 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2951 2012-01-18 Richard Guenther <rguenther@suse.de>
2953 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2954 of conversions to void *.
2956 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2957 Richard Sandiford <rdsandiford@googlemail.com>
2961 * optabs.h (simplify_expand_binop): Declare.
2962 * optabs.c (simplify_expand_binop): Make global.
2963 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2964 endian targets if the source cannot be exactly covered by word
2967 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2970 * hard-reg-set.h (struct hard_reg_set_container): New type.
2971 * target.h (struct hard_reg_set_container): Forward declare.
2972 * target.def (set_up_by_prologue): New target hook.
2973 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2974 * doc/tm.texi: Regenerated.
2975 * function.c (thread_prologue_and_epilogue_insns): Change
2976 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2977 Call targetm.set_up_by_prologue on it.
2978 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2979 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2981 2012-01-17 Nick Clifton <nickc@redhat.com>
2983 * config/rx/rx.c (rx_can_use_simple_return): New function.
2984 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2985 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2987 2012-01-17 Richard Guenther <rguenther@suse.de>
2990 * expr.c (expand_assignment): Take address-space information
2991 from the address operand of MEM_REF and TARGET_MEM_REF.
2992 (expand_expr_real_1): Likewise.
2994 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2996 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2997 reload dump is requested.
2999 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3002 * trans-mem.c (requires_barrier): Call may_be_aliased.
3004 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3006 PR tree-optimization/51877
3007 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3008 call arguments and fndecls compare equal, instead return false if they
3009 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3010 both SSA_NAMEs that are valueized the same, or they satisfy
3013 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3015 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3017 * configure: Regenerate.
3019 2012-01-16 Jan Hubicka <jh@suse.cz>
3023 * convert.c (convert_to_integer): Use fold_convert for
3024 converting an INTEGER_CST to integer type.
3026 2012-01-16 Jason Merrill <jason@redhat.com>
3029 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3031 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3034 * config/s390/s390.c (s390_chunkify_start): Don't skip
3035 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3036 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3037 If insn is followed by NOTE_INSN_VAR_LOCATION or
3038 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3039 Don't use location of note insns.
3041 PR tree-optimization/51865
3042 * tree-inline.c (tree_function_versioning): Call remap_decl
3043 on DECL_RESULT whenever it has VOID_TYPE_P type.
3045 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3047 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3048 for calls to locally-binding MIPS16 functions if only the return
3049 type uses float regs.
3051 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3052 Richard Sandiford <rdsandiford@googlemail.com>
3054 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3055 (SYMBOL_32_HIGH): Likewise.
3056 (mips_output_tls_reloc_directive): Declare.
3057 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3058 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3059 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3060 (mips_lo_relocs, mips_hi_relocs): Make extern.
3061 (mips16_stub_function): Move up file.
3062 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3063 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3064 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3065 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3066 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3067 (mips_get_tp): Add MIPS16 support.
3068 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3069 Generalize DTPREL and TPREL handling.
3070 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3071 Add MIPS16 TLS support.
3072 (mips_output_tls_reloc_directive): New function.
3073 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3074 * config/mips/predicates.md (symbolic_operand_with_high)
3075 (tls_reloc_operand): New predicates.
3076 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3077 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3078 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3079 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3080 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3081 (*tls_get_tp_mips16_call_<mode>): Likewise.
3083 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3085 PR rtl-optimization/51821
3086 * recog.c (peep2_find_free_register): Determine clobbered registers
3089 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3092 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3093 * config/avr/avr.c: Likewise.
3094 * config/avr/avr.h: Likewise.
3096 2012-01-13 Ian Lance Taylor <iant@google.com>
3099 * tree.h (TYPE_QUALS): Add cast to int.
3100 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3102 2012-01-13 Ian Lance Taylor <iant@google.com>
3104 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3105 comparing param_index to VEC_length result.
3107 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3109 * c-decl.c: Do not include tree-mudflap.h
3110 * tree-optimize.c: Likewise.
3111 * Makefile.in: Update dependencies.
3113 2012-01-13 Richard Guenther <rguenther@suse.de>
3116 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3117 variable-sized result always use RSO.
3119 2012-01-12 DJ Delorie <dj@redhat.com>
3121 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3122 pointer type, not just the default pointer type.
3124 2012-01-09 Richard Henderson <rth@redhat.com>
3125 Denis Chertykov <chertykov@gmail.com>
3128 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3129 * config/avr/avr.c (avr_can_eliminate): Simplify.
3130 (avr_initial_elimination_offset): Likewise.
3131 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3132 (expand_epilogue): Likewise.
3133 (avr_legitimize_address): Gut.
3134 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3135 (avr_hard_regno_nregs): New.
3136 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3137 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3138 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3139 add soft frame pointer.
3140 (CALL_USED_REGISTERS): Likewise.
3141 (REG_CLASS_CONTENTS): Likewise.
3142 (REGISTER_NAMES): Likewise.
3143 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3144 (HARD_FRAME_POINTER_REGNUM): New.
3145 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3146 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3147 remove the HARD_FRAME_POINTER self-elimination.
3149 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3152 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3153 DECL_EXTERNAL when checking for initializers of progmem variables.
3155 2012-01-12 Ira Rosen <irar@il.ibm.com>
3157 PR tree-optimization/51799
3158 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3159 that the last operation is a type demotion.
3161 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3163 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3164 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3166 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3169 * combine.c (distribute_notes): If i3 is a noreturn call,
3170 allow old_size to be equal to args_size and make sure the
3171 noreturn call gets REG_ARGS_SIZE note.
3172 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3173 on noreturn calls even when the delta is 0.
3175 2012-01-11 Nathan Sidwell <nathan@acm.org>
3177 * gcov.c (STRING_SIZE): Remove.
3178 (generate_results): Erase annotations for source files with no
3179 coverage information.
3181 (output_lines): Use it.
3183 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3185 * gimple.h (gimplify_body): Remove first argument.
3186 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3187 pointer set here, instead just pass DATA to walk_tree.
3188 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3189 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3190 (unvisit_body): Likewise, but with unmark_visited.
3191 (gimplify_body): Remove BODY_P argument and adjust.
3192 (gimplify_function_tree): Adjust call to gimplify_body.
3193 * omp-low.c (finalize_task_copyfn): Likewise.
3195 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3197 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3198 (build_function_type_skip_args): Delete.
3199 * tree.c (build_function_type_skip_args): Make static and add
3200 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3201 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3202 pass it to build_function_type_skip_args.
3203 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3204 (tree_function_versioning): Likewise.
3205 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3206 build_function_decl_skip_args.
3207 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3208 and pass it to build_function_decl_skip_args/tree_function_versioning.
3209 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3210 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3211 * trans-mem.c (ipa_tm_create_version): Likewise.
3212 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3213 * tree-inline.c (declare_return_variable): Remove always-true test.
3214 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3215 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3216 * ipa-split.c (split_function): Skip the return value for the split
3217 part if it doesn't return.
3219 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3221 PR tree-optimization/49642
3222 * ipa-split.c (forbidden_dominators): New variable.
3223 (check_forbidden_calls): New function.
3224 (dominated_by_forbidden): Likewise.
3225 (consider_split): Check for forbidden dominators.
3226 (execute_split_functions): Initialize and free forbidden
3227 dominators info; call check_forbidden_calls.
3229 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3231 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3233 2012-01-11 Nick Clifton <nickc@redhat.com>
3235 * config/rx/rx.md (return): Define pattern.
3237 2012-01-11 Richard Guenther <rguenther@suse.de>
3239 * doc/extend.texi (malloc attribute): Adjust according to
3242 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3243 Patrick Marlier <patrick.marlier@gmail.com>
3246 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3247 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3248 (ipa_tm_note_irrevocable): Same.
3249 (ipa_tm_scan_irr_block): Same.
3250 (ipa_tm_decrement_clone_counts): Same.
3251 (ipa_tm_scan_irr_function): Same.
3252 (ipa_tm_create_version_alias): Same.
3253 (ipa_tm_create_version): Same.
3254 (ipa_tm_transform_calls_redirect): Same.
3255 (ipa_tm_transform_calls): Same.
3256 (ipa_tm_transform_transaction): Same.
3257 (ipa_tm_execute): Same.
3259 2012-01-10 Richard Guenther <rguenther@suse.de>
3262 * opts.c (common_handle_option): Handle -Werror.
3264 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3266 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3269 2012-01-10 Jason Merrill <jason@redhat.com>
3271 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3274 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3276 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3277 supports R_386_TLS_GD_PLT reloc.
3278 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3279 supports R_386_TLS_LDM_PLT reloc.
3280 * configure: Regenerate.
3281 * config.in: Regenerate.
3283 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3286 Extend __pgmx semantics to linearize memory.
3287 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3288 determine if code comes inline or from libgcc.
3289 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3290 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3291 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3292 (movmemx_qi, movmemx_hi): New insns.
3293 (xload_<mode>_libgcc): Rewrite to new insn condition.
3294 (xload_<mode>): Remove insns.
3295 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3296 cases that don't satisfy avr_xload_libgcc_p().
3297 (avr_addr_space_convert): Allow converting in any direction.
3298 (avr_addr_space_subset_p): Return always true.
3299 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3300 (avr_emit_movmemhi): Ditto.
3301 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3302 (avr_out_movmem): Ditto.
3303 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3304 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3305 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3306 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3307 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3309 2012-01-10 Richard Guenther <rguenther@suse.de>
3311 PR tree-optimization/50913
3312 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3313 Require data-refs to be representable by Graphite with respect
3316 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3318 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3319 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3321 2012-01-10 Tom de Vries <tom@codesourcery.com>
3323 PR rtl-optimization/51271
3324 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3325 handling annulled branch.
3327 2012-01-10 Richard Henderson <rth@redhat.com>
3329 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3330 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3331 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3332 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3333 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3334 arm_expand_vec_perm_const): New.
3335 * config/arm/arm-protos.h: Update.
3336 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3337 (*neon_vswp<VDQX>): New.
3338 (neon_vcombine<VDX>): Use neon_split_vcombine.
3339 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3340 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3341 (vec_perm<VE>): New.
3343 2012-01-10 Richard Henderson <rth@redhat.com>
3345 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3346 use it if reload_completed.
3347 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3348 arm_output_asm_insn, arm_process_output_memory_barrier,
3349 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3350 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3351 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3352 arm_process_output_sync_insn, arm_output_sync_insn,
3353 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3354 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3355 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3356 (emit_unlikely_jump): New.
3357 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3358 (arm_split_atomic_op): New.
3359 * config/arm/arm-protos.h: Update.
3360 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3361 (struct arm_sync_generator): Remove.
3362 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3363 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3364 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3365 (VUNSPEC_LL, VUNSPEC_SC): New.
3366 (sync_result, sync_memory, sync_required_value, sync_new_value,
3367 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3368 (attr length): Don't use arm_sync_loop_insns.
3369 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3370 (movsfcc, movdfcc): Likewise.
3371 * config/arm/constraints.md (Ua): New.
3372 * config/arm/prediates.md (mem_noofs_operand): New.
3373 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3374 (sync_clobber, sync_t2_reqd): Remove.
3375 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3376 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3377 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3378 (arm_sync_compare_and_swap<SIDI>): Remove.
3379 (arm_sync_compare_and_swap<NARROW>): Remove.
3380 (arm_sync_lock_test_and_set<SIDI>): Remove.
3381 (arm_sync_lock_test_and_set<NARROW>): Remove.
3382 (arm_sync_new_<syncop><SIDI>): Remove.
3383 (arm_sync_new_<syncop><NARROW>): Remove.
3384 (arm_sync_new_nand<SIDI>): Remove.
3385 (arm_sync_new_nand<NARROW>): Remove.
3386 (arm_sync_old_<syncop><SIDI>): Remove.
3387 (arm_sync_old_<syncop><NARROW>): Remove.
3388 (arm_sync_old_nand<SIDI>): Remove.
3389 (arm_sync_old_nand<NARROW>): Remove.
3390 (*memory_barrier): Merge arm_output_memory_barrier.
3391 (atomic_compare_and_swap<QHSD>): New.
3392 (atomic_compare_and_swap<NARROW>_1): New.
3393 (atomic_compare_and_swap<SIDI>_1): New.
3394 (atomic_exchange<QHSD>): New.
3395 (cas_cmp_operand, cas_cmp_str): New.
3396 (atomic_op_operand, atomic_op_str): New.
3397 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3398 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3399 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3400 (arm_load_exclusive<NARROW>): New.
3401 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3402 (arm_store_exclusive<QHSD>): New.
3404 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3406 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3407 reload patterns if -mvsx-scalar-memory.
3409 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3410 generated, even -mno-vsx-scalar-double was used.
3411 (vsx_xscvdpsp_scalar): Likewise.
3412 (vsx_xscvspdp_scalar2): Likewise.
3414 2012-01-09 Tom de Vries <tom@codesourcery.com>
3415 Andrew Pinski <apinski@cavium.com>
3418 * reorg.c (fill_slots_from_thread): Don't speculate
3419 frame-related insns.
3421 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3423 * sched-int.h (bb_note): Move to...
3424 * basic-block.h: ...here.
3425 * haifa-sched.c (bb_note): Move to...
3426 * cfgrtl.c: ...here.
3427 * function.c (next_block_for_reg): New function.
3428 (move_insn_for_shrink_wrap): Likewise.
3429 (prepare_shrink_wrap): Rewrite to use the above.
3431 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3433 * gimple.c (is_gimple_non_addressable): Remove.
3434 * gimple.h: Remove is_gimple_non_addressable.
3435 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3436 is_gimple_non_addressable.
3437 * trans-mem.c (expand_assign_tm): Same.
3439 2012-01-09 Richard Guenther <rguenther@suse.de>
3441 PR tree-optimization/51775
3442 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3443 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3445 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3447 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3449 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3451 2012-01-09 Richard Guenther <rguenther@suse.de>
3453 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3455 2012-01-08 Jan Hubicka <jh@suse.cz>
3457 PR tree-optimize/51680
3458 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3459 on when known_vals needs to be computed; cleanup.
3461 2012-01-08 Jan Hubicka <jh@suse.cz>
3463 PR tree-optimize/51694
3464 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3466 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3468 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3469 for -std=c++98 and -std=c++11 too.
3471 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3473 * cfgloop.c (cancel_loop): Add free() of bbs array.
3475 2012-01-07 Jan Hubicka <jh@suse.cz>
3477 PR tree-optimization/51600
3478 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3479 that benefits small functions.
3481 2012-01-07 Jan Hubicka <jh@suse.cz>
3483 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3485 2012-01-07 Jan Hubicka <jh@suse.cz>
3487 PR tree-optimization/51680
3488 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3489 whose inlining reduce unit size.
3491 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3494 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3495 Add canonical node to containing_mem chain after the non-canonical
3496 one, even if there weren't any locs to propagate.
3497 (remove_useless_values): Keep only canonical values.
3498 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3499 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3500 canonicalize mem_chain elements that are not discarded.
3502 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3505 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3506 before emitting functions.
3508 PR gcov-profile/50127
3509 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3510 clear_aux_for_blocks.
3512 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3515 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3517 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3519 * c-decl.c (ext_block): Moved up.
3520 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3522 2012-01-06 Han Shen <shenhan@google.com>
3524 Translate built-in include paths for sysroot.
3525 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3526 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3528 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3529 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3531 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3532 control whether sysroot should be prepended to gxx include dir.
3534 * configure: Regenerate.
3536 2012-01-06 Torvald Riegel <triegel@redhat.com>
3538 PR rtl-optimization/51771
3539 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3540 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3542 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3544 PR tree-optimization/51315
3545 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3546 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3548 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3551 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3552 for shrp pattern. Correctly handle and fixup shift variable.
3553 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3555 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3558 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3559 note when !ACCUMULATE_OUTGOING_ARGS.
3561 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3563 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3565 (extract_range_from_unary_expr_1): Avoid useless computations.
3567 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3569 PR rtl-optimization/51767
3570 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3571 of jump_block and add an extra edge for degenerated asm gotos.
3574 * stmt.c (check_unique_operand_names): Don't ICE during error
3575 reporting if i is from labels chain.
3578 * profile.c (branch_prob): Split bbs that have exit edge
3579 and need a fake entry edge too.
3581 2012-01-05 Jan Hubicka <jh@suse.cz>
3584 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3587 2012-01-05 Richard Guenther <rguenther@suse.de>
3590 * tree-streamer-out.c (write_ts_optimization): New function.
3591 (streamer_write_tree_body): Call it.
3592 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3593 (streamer_read_tree_body): Call it.
3594 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3596 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3599 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3600 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3601 in_cleanup_point_expr before gimplify_stmt call and restore it
3603 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3604 in_cleanup_point_expr is false.
3606 2012-01-05 Richard Guenther <rguenther@suse.de>
3609 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3611 * toplev.c (process_options): Reject combining mudflap and LTO.
3612 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3614 2012-01-05 Richard Guenther <rguenther@suse.de>
3616 PR tree-optimization/51760
3617 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3619 (bit_value_unop): Handle UNDEFINED operands.
3620 (bit_value_binop): Likewise.
3622 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3624 * config/avr/avr.c (avr_replace_prefix): Remove.
3625 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3626 (avr_asm_function_rodata_section): Ditto.
3627 (avr_asm_select_section): Ditto.
3629 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3631 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3634 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3637 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3638 calls that have any non-fake successor edges.
3641 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3643 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3645 PR tree-optimization/51624
3646 * tree-sra.c (build_ref_for_model): When replicating a chain of
3647 COMPONENT_REFs, stop as soon as the offset would become negative.
3649 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3652 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3653 in .debug_loc on the floor.
3655 2012-01-04 Andrew Pinski <apinski@cavium.com>
3657 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3659 2012-01-04 Andrew Pinski <apinski@cavium.com>
3660 Adam Nemet <anemet@caviumnetworks.com>
3662 * config/mips/mips.md (size): Add SI and DI.
3663 (SIZE): New mode attribute.
3664 (U): New code attribute.
3665 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3666 (mips_lbux_<mode>): Delete.
3667 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3668 (mips_lhx): Use gen_mips_lhx_extsi.
3669 (mips_lhx_<mode>): Delete.
3671 (mips_l<size>x): New expand.
3672 (mips_lwx_<mode>): Delete.
3673 (mips_l<GPR:size>x_<P:mode>): New pattern.
3674 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3675 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3676 * config/mips/mips.c (mips_lx_address_p): New function.
3677 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3678 (dsp64): New availability predicate.
3679 (mips_builtins): Add an entry for __builtin_mips_ldx.
3680 * config/mips/mips.h (ISA_HAS_LBX): New define.
3681 (ISA_HAS_LBUX): Likewise.
3682 (ISA_HAS_LHX): Likewise.
3683 (ISA_HAS_LHUX): Likewise.
3684 (ISA_HAS_LWX): Likewise.
3685 (ISA_HAS_LWUX): Likewise.
3686 (ISA_HAS_LDX): Likewise.
3687 * doc/extend.texi (__builtin_mips_ldx): Document.
3689 2012-01-04 Tristan Gingold <gingold@adacore.com>
3691 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3692 when long pointers are used.
3693 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3694 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3695 (ia64-hp-*vms*): Remove.
3696 * config/vms/xm-vms64.h: Delete.
3698 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3701 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3703 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3705 * opts.c (finish_options): Remove duplicate sorry.
3707 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3710 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3713 2012-01-04 Richard Guenther <rguenther@suse.de>
3716 * tree.c (size_low_cst): New function.
3717 * tree.h (size_low_cst): Declare.
3718 * fold-const.c (fold_comparison): Use it to extract the low
3719 part of the POINTER_PLUS_EXPR offset.
3721 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3723 Fix clearing ZERO_REG
3724 * config/avr/avr.md (cc): Add alternative "ldi".
3725 (movqi_insn): Use it in cc attribute.
3726 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3727 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3728 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3730 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3732 * configure: Regenerate.
3734 2012-01-04 Richard Guenther <rguenther@suse.de>
3736 PR tree-optimization/49651
3737 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3738 (var_can_have_subvars): Use it.
3739 (get_constraint_for_1): Only consider subfields if there can be any.
3741 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3744 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3745 to its new canonical_cselib_val and the cselib_val was in
3746 first_containing_mem chain, but the canonical_cselib_val was not,
3747 add the latter into the chain.
3748 (cselib_invalidate_mem): Compare canonical_cselib_val of
3749 addr_list chain elt with v.
3752 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3753 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3755 (output_macinfo_op): Don't ggc_strdup fd->filename.
3756 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3757 then ggc_strdup it. Don't free inc->info or cur->info.
3758 (output_macinfo): Don't free ref->info or file->info.
3760 2012-01-03 Ira Rosen <irar@il.ibm.com>
3762 PR tree-optimization/51269
3763 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3764 first_niters a pointer.
3765 (slpeel_tree_peel_loop_to_edge): Likewise.
3766 (vect_do_peeling_for_loop_bound): Update call to
3767 slpeel_tree_peel_loop_to_edge.
3768 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3769 here. Remove it from the parameters list.
3770 (vect_do_peeling_for_alignment): Update calls and compute
3773 2012-01-03 Richard Guenther <rguenther@suse.de>
3775 PR tree-optimization/51070
3776 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3777 Properly handle calls.
3779 2012-01-03 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/51692
3782 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3783 the LHS of allocation stmts.
3785 2012-01-03 Olivier Hainque <hainque@adacore.com>
3787 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3789 2012-01-03 Olivier Hainque <hainque@adacore.com>
3791 * collect2.c (main): In AIX specific computations for vector
3792 insertions, use CONST_CAST2 to cast from char ** to const char **.
3794 2012-01-03 Richard Guenther <rguenther@suse.de>
3797 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3798 the context of a limbo DIE when it does not already exist.
3800 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3802 PR tree-optimization/51719
3803 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3804 but direct call is, clear direct call's lhs and don't add fallthrough
3805 edge from dcall_bb to join_bb and PHIs.
3807 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3809 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3810 the instructions emitted by the pattern.
3811 ("*TDC_insn_<mode>"): Add comment.
3813 2012-01-03 Richard Guenther <rguenther@suse.de>
3816 * fold-const.c (fold_comparison): Properly canonicalize
3817 tree offset and HOST_WIDE_INT bit position.
3819 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3821 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3822 operands for extzv pattern.
3824 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3827 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3830 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3832 * doc/invoke.texi (-flto and related options): Copy-edit.
3834 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3836 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3838 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3840 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3843 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3845 * expr.h (move_by_pieces_ninsns): Declare.
3846 * expr.c (move_by_pieces_ninsns): Make external.
3847 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3848 (mips_store_by_pieces_p): Likewise.
3849 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3850 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3851 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3852 (mips_store_by_pieces_p): Likewise.
3854 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3856 * passes.c (register_one_dump_file): Free full_name.
3858 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3859 (calculate_elim_costs_all_insns): Free offsets_at and
3860 offsets_known_at at the end and clear the pointers.
3862 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3864 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3865 this option introduced in r180739.
3867 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3870 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3871 (tmake_file target=avr): Add avr/t-multilib.
3873 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3874 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3875 * config/avr/genmultilib.awk: New file.
3876 * config/avr/t-multilib: New auto-generated file.
3877 * config/avr/multilib.h: New auto-generated file.
3878 * config/avr/t-avr (AVR_MCUS): New variable.
3879 (genopt.sh): Use it.
3880 (s-mlib): Depend on t-multilib.
3881 (t-multilib, multilib.h): New dependencies.
3882 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3883 (MULTILIB_OPTIONS): Remove.
3884 (MULTILIB_MATCHES): Remove.
3885 (MULTILIB_DIRNAMES): Remove.
3886 (MULTILIB_EXCEPTIONS): Remove:
3887 * config/avr/genopt.sh: Don't use hard coded file name;
3888 pass AVR_MCUS from t-avr instead.
3890 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3892 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3894 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3896 Implement light-weight DImode support.
3897 * config/avr/avr-dimode.md: New file.
3898 * config/avr/avr.md: Include it.
3899 (adjust_len): Add plus64, compare64.
3900 (HIDI): Remove code iterator.
3901 (code_stdname): New code attribute.
3902 (rotx, rotsmode): Remove DI.
3903 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3905 * config/avr/avr-protos.h (avr_have_dimode): New.
3906 (avr_out_plus64, avr_out_compare64): New.
3907 * config/avr/avr.c (avr_out_compare): Handle DImode.
3908 (avr_have_dimode): New variable definition and initialization.
3909 (avr_out_compare64, avr_out_plus64): New functions.
3910 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3911 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3912 (avr_compare_pattern): Skip DImode comparisons.
3914 2012-01-02 Revital Eres <revital.eres@linaro.org>
3916 * ddg.c (def_has_ccmode_p): New function.
3917 (add_cross_iteration_register_deps,
3918 create_ddg_dep_from_intra_loop_link): Call it.
3920 2012-01-02 Richard Guenther <rguenther@suse.de>
3923 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3925 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3927 * gcc.c (process_command): Update copyright notice dates.
3928 * gcov.c (print_version): Likewise.
3929 * gcov-dump.c (print_version): Likewise.
3930 * mips-tfile.c (main): Likewise.
3931 * mips-tdump.c (main): Likewise.
3933 2012-01-01 Ira Rosen <irar@il.ibm.com>
3935 PR tree-optimization/51704
3936 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3937 a use is inside the basic block or loop before accessing its vect info.
3939 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3941 PR rtl-optimization/51069
3942 * cfgloopmanip.c (remove_path): Removing path making irreducible
3943 region unconditional makes BB part of the region.
3945 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3947 PR tree-optimization/51683
3948 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3949 calls with side-effects.
3950 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3952 Copyright (C) 2012 Free Software Foundation, Inc.
3954 Copying and distribution of this file, with or without modification,
3955 are permitted in any medium without royalty provided the copyright
3956 notice and this notice are preserved.