1 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
3 Backported from mainline
4 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
6 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
9 2012-04-13 Tom de Vries <tom@codesourcery.com>
11 Backport from mainline r186418.
13 2012-04-13 Tom de Vries <tom@codesourcery.com>
15 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
16 parameters vuse and vuse_escaped.
17 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
18 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
21 2012-04-13 Richard Guenther <rguenther@suse.de>
23 PR tree-optimization/52969
24 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
25 the condition for the COND_EXPR and handle predicate negation
26 by swapping the COND_EXPR arms.
28 2012-04-13 Richard Guenther <rguenther@suse.de>
31 * convert.c (convert_to_pointer): Remove special-casing of
34 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
36 Backport from mainline
37 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
40 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
41 the list of options to enable the FCFID instruction.
42 (TARGET_EXTRA_BUILTINS): Adjust comment.
44 2012-04-12 Richard Guenther <rguenther@suse.de>
46 PR tree-optimization/52943
47 * tree-chrec.h (chrec_is_positive): Remove.
48 * tree-scalar-evolution.c (chrec_is_positive): Move ...
49 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
50 Return false for a constant zero instead of negative.
51 (analyze_siv_subscript_cst_affine): Handle zero difference
52 in the initial condition explicitely.
54 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
57 * varasm.c (process_pending_assemble_externals): Set
58 pending_assemble_externals_processed true.
59 (assemble_external): Call assemble_external_real if the pending
60 assemble externals have been processed.
62 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
65 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
66 the DECL generated for the special GOT helper.
68 2012-04-06 Walter Lee <walt@tilera.com>
70 Backport from mainline
71 2012-03-07 Walter Lee <walt@tilera.com>
73 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
74 REG_CFA_* notes for the stack pointer.
75 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
76 EH_RETURN_STACKADJ_RTX.
77 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
78 generate REG_CFA_* notes for the stack pointer.
79 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
80 by EH_RETURN_STACKADJ_RTX.
82 2012-04-06 Matt Turner <mattst88@gmail.com>
84 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
86 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
88 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
89 of the destination isn't also a FP_REGS register.
91 2012-04-03 Richard Guenther <rguenther@suse.de>
93 Backport from mainline
94 2012-03-02 Richard Guenther <rguenther@suse.de>
96 PR tree-optimization/52406
97 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
98 (struct indices): Add unconstrained_base member.
99 (struct dr_alias): Remove unused vops member.
100 (DR_UNCONSTRAINED_BASE): New define.
101 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
102 add indices to allow their disambiguation. Make DR_BASE_OBJECT
103 be an artificial access that covers the whole indexed object,
104 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
105 plain decl base-objects to their MEM_REF variant.
106 (dr_may_alias_p): When the base-object of either data reference
107 has unknown size use only points-to information.
108 (compute_affine_dependence): Make dumps easier to read and
110 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
111 DR_REF when looking for packed references.
112 (vect_supportable_dr_alignment): Likewise.
114 2012-04-03 Richard Guenther <rguenther@suse.de>
116 Backport from mainline
117 2012-03-15 Richard Guenther <rguenther@suse.de>
120 * tree-data-ref.c (subscript_dependence_tester_1): Check
121 all dimensions for non-conflicting access functions.
123 2012-04-03 Richard Guenther <rguenther@suse.de>
125 Backport from mainline
126 2012-03-06 Richard Guenther <rguenther@suse.de>
129 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
131 2012-03-23 Richard Guenther <rguenther@suse.de>
133 PR tree-optimization/52678
134 * tree-vectorizer.h (struct _stmt_vec_info): Add
135 loop_phi_evolution_part member.
136 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
137 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
138 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
139 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
140 Use the cached evolution part and the PHI nodes value from
141 the loop preheader edge instead of re-analyzing the evolution.
143 2012-03-26 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/52701
146 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
147 compute and set the evolution part of PHI nodes.
149 2012-03-30 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/52754
152 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
153 propagate arbitrary addresses into really plain dereferences.
155 2012-04-03 Jakub Jelinek <jakub@redhat.com>
157 PR tree-optimization/52835
158 * tree-data-ref.c (build_rdg): Return NULL if
159 compute_data_dependences_for_loop failed.
161 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
163 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
164 (stmt_can_make_abnormal_goto): Use it.
165 (is_ctrl_altering_stmt): Likewise.
167 2012-03-31 Martin Jambor <mjambor@suse.cz>
169 Backported from mainline
170 2012-03-30 Martin Jambor <mjambor@suse.cz>
172 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
173 is a builtin_stack_save in a dominating BB.
175 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
177 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
178 crossing 128bit lane boundary.
180 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
182 Backported from mainline
183 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
186 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
188 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
189 * config/i386/i386.c: Include reload.h.
190 (ix86_legitimize_reload_address): New function.
192 2012-03-28 Martin Jambor <mjambor@suse.cz>
194 Backported from mainline
195 2012-03-27 Martin Jambor <mjambor@suse.cz>
198 * tree-sra.c (sra_modify_assign): Do not call
199 load_assign_lhs_subreplacements when working with an unscalarizable
202 2012-03-28 Jakub Jelinek <jakub@redhat.com>
205 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
206 __builtin_va_start to __builtin_next_arg if the latter is
207 builtin_decl_explicit_p rather than when it is not.
210 * tree-vect-generic.c (vector_element): Perform multiplication
211 for pos in bitsizetype type instead of idx type.
213 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
215 Backport from 2012-03-28 mainline r185910.
218 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
219 (avr_builtin_decl): New static function.
220 (struct avr_builtin_description, avr_bdesc): Move up.
221 Add GTY marker. Add field fndecl. Remove redundant field id.
222 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
223 (avr_expand_builtin): Code cleanup because .id is removed.
225 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
228 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
231 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
233 Backport from 2012-03-28 mainline r185907.
236 * config.gcc (tm_file): Remove avr/multilib.h.
238 * doc/invoke.texi (AVR Options): Adjust
239 documentation of -mtiny-stack.
241 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
242 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
243 * config/avr/t-avr: Remove generation of multilib.h.
244 * config/avr/t-multilib: Regenerate.
245 * config/avr/multilib.h: Remove.
246 * config/avr/avr.opt (-msp8): New option.
247 (avr_sp8): New variable.
248 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
249 * config/avr/avr.h (AVR_HAVE_SPH): New define.
250 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
251 (avr_device_to_sp8): New prototype.
252 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
253 (DRIVER_SELF_SPECS): New define.
254 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
255 __AVR_SP8__, __AVR_HAVE_SPH__.
256 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
257 AVR_HAVE_8BIT_SP to decide if SP_H is present.
258 (avr_file_start): Ditto.
260 2012-03-28 Jakub Jelinek <jakub@redhat.com>
263 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
264 instead of 8 in adjust_address.
266 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
268 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
269 of a unit before computing the offset in units.
271 2012-03-27 Richard Guenther <rguenther@suse.de>
274 * fold-const.c (try_move_mult_to_index): Handle &x.array more
277 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
280 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
282 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
285 * varasm.c: Include pointer-set.h.
286 (pending_assemble_externals_set): New pointer set.
287 (process_pending_assemble_externals): Destroy the pointer set.
288 (assemble_external): See if decl is in pending_assemble_externals_set,
289 and add it to pending_assemble_externals if necessary.
290 (init_varasm_once): Allocate pending_assemble_externals_set.
292 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
294 Backported from mainline
295 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
298 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
299 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
300 (vector_ltgt<mode>): Likewise.
301 (vector_ordered<mode>): Likewise.
302 (vector_unordered<mode>): Likewise.
303 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
305 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
307 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
310 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
312 Backported from mainline
313 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
317 * config/sh/sh.c (sh_register_move_cost): Increase cost between
318 GENERAL_REGS and FP_REGS for SImode.
320 2012-03-22 Jakub Jelinek <jakub@redhat.com>
323 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
324 on any new_local_var_chain vars declared during recursing on
325 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
327 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
329 Backport from 2012-03-22 mainline r185692.
332 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
333 (unspecv): Add UNSPECV_MEMORY_BARRIER.
334 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
335 (delay_cycles_1, delay_cycles_2): Ditto.
336 (delay_cycles_3, delay_cycles_4): Ditto.
337 (nopv, *nopv): Ditto.
338 (sleep, *sleep): Ditto.
341 Backport from 2012-03-21 mainline r185605.
343 PR rtl-optimization/52543
345 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
346 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
347 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
348 (avr_load_libgcc_p): Restrict to __flash loads.
349 (avr_out_lpm): Only handle 1-byte loads from __flash.
350 (avr_load_lpm): New function.
351 (avr_find_unused_d_reg): Remove.
352 (avr_out_lpm_no_lpmx): Remove.
353 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
354 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
355 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
356 (load_<mode>, load_<mode>_clobber): New insns.
357 (mov<mode>): For multi-byte move from non-generic
358 16-bit address spaces: Expand to load_<mode> resp.
360 (load<mode>_libgcc): Remove expander.
361 (split-lpmx): Remove split.
363 Backport from 2012-03-13 mainline r185329.
366 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
367 offset (size) to a value the insns can deal with.
368 (expand_epilogue): Ditto.
370 Backport from 2012-03-12 mainline r185256.
373 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
374 type from reg_class_t to enum reg_class.
375 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
377 Backport from 2012-03-12 mainline r185253.
380 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
381 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
382 r184615 from 2012-02-28.
384 Backport from 2012-03-08 mainline r185105.
386 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
387 for constants in [-63,63].
389 Backport from 2012-03-08 mainline r185100.
392 * config/avr/avr.c (avr_mem_clobber): New static function.
393 (avr_expand_delay_cycles): Add memory clobber operand to
394 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
395 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
396 (enable_interrupt, disable_interrupt): New expander.
397 (nopv, sleep, wdr): New expanders.
398 (delay_cycles_1): Add memory clobber.
399 (delay_cycles_2): Add memory clobber.
400 (delay_cycles_3): Add memory clobber.
401 (delay_cycles_4): Add memory clobber.
402 (cli_sei): New insn from former "enable_interrupt",
403 "disable_interrupt" with memory clobber.
404 (*wdt): New insn from former "wdt" with memory clobber.
405 (*nopv): Similar, but for "nopv".
406 (*sleep): Similar, but for "sleep".
408 Backport from 2012-03-07 mainline r185043.
411 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
413 Backport from 2012-03-07 mainline r185032.
416 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
417 to: RAMPZ, RAMPY, RAMPX, RAMPD.
418 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
420 Backport from 2012-03-07 mainline r185031.
423 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
425 * config/avr/avr.md (xload_8): Adjust insn length.
427 Backport from 2012-03-07 mainline r185030.
430 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
431 if RAMPZ affects reading from RAM.
433 Backport from 2012-03-05 mainline r184919.
435 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
437 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
439 Backport from mainline r185259.
442 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
443 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
445 2012-03-22 Jakub Jelinek <jakub@redhat.com>
447 Backported from mainline
448 2012-03-13 Jakub Jelinek <jakub@redhat.com>
451 * c-parser.c (c_parser_postfix_expression)
452 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
454 * config/i386/smmintrin.h: Avoid /* within a comment.
455 * config/i386/nmmintrin.h: Likewise.
457 2012-03-22 Richard Guenther <rguenther@suse.de>
459 * BASE-VER: Set to 4.7.1.
460 * DEV-PHASE: Set to prerelease.
462 2012-03-22 Release Manager
464 * GCC 4.7.0 released.
466 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
468 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
470 2012-03-15 Jakub Jelinek <jakub@redhat.com>
471 Andrew Pinski <apinski@cavium.com>
474 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
475 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
476 calls instead of __builtin_ir{int,ound}*.
478 2012-03-14 Jakub Jelinek <jakub@redhat.com>
481 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
484 2012-03-13 Joseph Myers <joseph@codesourcery.com>
486 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
487 Refer to GCC 4.7 version of c99status.html.
489 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
491 Backport from mainline
492 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
494 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
495 redefine to be NULL if the current bit-size is different from the
498 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
499 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
500 set the default tuning. Add asserts to make sure the cpu and tune
501 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
502 test whether the index is set, instead of > 0.
503 (rs6000_file_start): Do not reset the default cpu if the current
504 bit-size is different from the configured bit-size.
506 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
508 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
510 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
511 Update binutils references.
512 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
513 Update binutils reference.
514 Update Sun as/GNU ld caveat.
515 Document binutils largefile requirement for LTO plugin.
516 Remove reference to alternate libpthread.
518 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
520 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
522 (Specific, mips-sgi-irix6): Likewise.
524 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
526 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
527 * configure: Regenerate.
529 2012-03-07 Richard Henderson <rth@redhat.com>
531 * config/m68k/m68k.h (ISA_HAS_TAS): New.
532 * config/m68k/sync.md (atomic_test_and_set): Use it.
533 (atomic_test_and_set_1): Likewise.
535 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
538 * Makefile.in: Let install-gcc-ar depend on installdirs,
539 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
540 Don't double canonicalize if cross-compiling.
542 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
544 * trans-mem.c: New typedef for tm_region_p.
545 Define vector types for tm_region_p.
546 (tm_region_init): Replace region_worklist to a vector called
549 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
552 * trans-mem.c (tm_region_init): Use last_basic_block.
554 2012-03-05 Richard Henderson <rth@redhat.com>
557 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
558 * omp-low.c (expand_omp_atomic): Assume anything aligned to
559 BIGGEST_ALIGNMENT is aligned.
561 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
563 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
565 2012-03-05 Richard Henderson <rth@redhat.com>
568 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
569 instead of calling negqi2 directly.
571 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
573 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
574 (INTMAX_TYPE): Use it.
575 (UINTMAX_TYPE): Likewise.
576 (SUBTARGET_OVERRIDE_OPTIONS): Define.
577 (irix6_c_common_override_options): Declare.
578 (C_COMMON_OVERRIDE_OPTIONS): Define.
579 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
580 * config/mips/irix6-c.c: New file.
581 * config/mips/t-irix6 (irix6-c.o): New target.
582 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
585 2012-03-02 Richard Henderson <rth@redhat.com>
587 * optabs.c (expand_atomic_test_and_set): Honor
588 atomic_test_and_set_trueval even when atomic_test_and_set
591 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
593 Backport from mainline
594 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
596 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
598 2012-03-02 Richard Guenther <rguenther@suse.de>
600 * DEV-PHASE: Set to prerelease.
602 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
604 * config.gcc (obsolete): Add all ARM targets using the FPA.
605 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
606 * doc/install.texi: Avoid references to obsolete ARM ports.
608 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
610 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
612 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
613 Joern Rennecke <joern.rennecke@embecosm.com>
615 * doc/extend.texi: Expand and update information on interrupt
616 attribute for Epiphany.
618 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
620 * config/sh/sh-protos.h: Update copyright notice dates.
621 * config/sh/sh.h: Likewise.
622 * config/sh/sh.md: Likewise.
623 * config/sh/constraints.md: Likewise.
624 * config/sh/predicates.md: Likewise.
626 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
628 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
629 * config/sh/sh.c (tertiary_reload_operand): Likewise.
631 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
633 * config/sh/constraints.md: Fix comment typo.
635 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
638 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
639 unsigned HOST_WIDE_INT.
640 (zvdep_imm64): Likewise.
641 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
642 (vdepi_and): Likewise.
643 Likewise for unamed 64-bit patterns.
644 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
646 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
649 PR rtl-optimization/52417
650 * cselib.c (cselib_any_perm_equivs): New variable.
651 (cselib_reset_table): Check that it's not set when not
652 preserving constants.
653 (cselib_add_permanent_equiv): Set it.
654 (cselib_have_permanent_equivalences): New.
655 (cselib_init, cselib_finish): Reset it.
656 * cselib.h (cselib_have_permanent_equivalences): Declare.
657 * alias.c (get_addr): Restore earlier behavior when there
658 aren't permanent equivalences.
660 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
662 * config/mn10300/mn10300-modes.def: Fix copyright notice.
663 * config/v850/v850-modes.def: Fix copyright notice.
665 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
667 * doc/extend.texi (AVR Built-in Functions): Document
668 __builtin_avr_flash_segment.
670 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
671 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
672 (*split.flash_segment): New insn-and-split.
673 * config/avr/avr.c (avr_init_builtins): Add local variables:
674 const_memx_void_node, const_memx_ptr_type_node,
675 char_ftype_const_memx_ptr.
677 2012-03-01 Jakub Jelinek <jakub@redhat.com>
679 PR tree-optimization/52445
680 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
681 add ssa_name_ver, offset and size fields and change store field
683 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
684 (add_or_mark_expr): Likewise. Only consider previous stores
685 with the same size and offset.
686 (nt_init_block): Only look at gimple_assign_single_p stmts,
687 doesn't look at rhs2.
689 2012-03-01 Richard Guenther <rguenther@suse.de>
692 * tree-cfg.c (verify_gimple_assign_unary): Allow any
693 conversions from integral types to pointer types.
695 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
697 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
698 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
699 unintentionally removed in r184616.
701 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
703 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
706 2012-02-29 Jakub Jelinek <jakub@redhat.com>
707 Uros Bizjak <ubizjak@gmail.com>
710 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
711 alternatives, add "e" constraint to the new last alternative
712 and ! to last 3 alternatives.
714 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
716 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
717 DW_AT_artificial attributes at the end of the processing.
718 (gen_array_type_die): Likewise.
719 (gen_enumeration_type_die): Likewise.
720 (gen_struct_or_union_type_die): Likewise.
721 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
724 2012-02-29 Jakub Jelinek <jakub@redhat.com>
727 * expr.c (expand_assignment): If doing misaligned store that doesn't
728 cover all mode bits, perform a RMW cycle.
730 PR tree-optimization/52429
731 * tree-parloops.c (separate_decls_in_region_debug): Return early
732 if var is LABEL_DECL.
734 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
736 PR tree-optimization/52424
737 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
738 calling dom_thread_across_edge.
740 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
742 * config/avr/avr.c: Move definition of TARGET macros to end of file.
744 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
746 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
747 * config/avr/avr.c (avr_output_bld): Remove unused function.
748 (avr_out_sbxx_branch): Use "%T" to print bit position.
750 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
752 * config/avr/avr.md: Untabify.
754 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
756 * config/avr/avr.md (eqne): New code iterator.
757 (*dec-and-branchsi): Use it in text peephole's condition.
758 (*dec-and-branchhi): Ditto.
759 (*dec-and-branchqi): Ditto.
761 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
764 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
765 the device does not have the skip-bug.
767 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
769 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
770 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
771 -mpretend-cmove): New.
773 2012-02-29 Jakub Jelinek <jakub@redhat.com>
776 * df.h (struct df_d): Adjust comment that hard_regs_live_count
777 doesn't count DEBUG_INSN refs.
778 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
781 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
785 2012-02-20 Richard Guenther <rguenther@suse.de>
786 PR tree-optimization/52298
787 * tree-vect-stmts.c (vectorizable_load): Properly use
788 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
791 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
794 * gimple.h (gimple_in_transaction): New.
795 (gimple_set_in_transaction): New.
796 (struct gimple_statement_base): Add in_transaction field.
797 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
799 (tree_ssa_lim_initialize): Compute transaction bits.
800 * tree.h (compute_transaction_bits): Protoize.
801 * trans-mem.c (tm_region_init): Use the heap to store BB
803 (compute_transaction_bits): New.
805 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
807 * gcc.c (display_help): Document --help=common and sort entries
810 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
812 * doc/install.texi: Document check-$LANG specific shortcuts
814 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
817 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
819 * config/arm/arm_neon.h: Regenerate.
820 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
821 (neon_vcgeu): New insn.
822 (neon_vcgtu): Likewise.
823 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
824 (ops): Unsigned comparison intrinsics call a different
827 2012-02-28 Richard Guenther <rguenther@suse.de>
830 * config/i386/i386.c (ix86_expand_vector_set): Fix element
831 ordering for the VEC_CONCAT for two element vectors for
832 V2SFmode, V2SImode and V2DImode.
834 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
837 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
838 detecting big-endian triplets.
840 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
842 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
843 mode if there is no type information available.
845 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
847 PR tree-optimization/53207
848 * doc/invoke.texi: Document as experimental and relying on graphite.
850 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
852 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
853 of initializer to changes from r184614.
855 2012-02-28 Richard Guenther <rguenther@suse.de>
857 PR tree-optimization/52395
858 * tree-sra.c (build_ref_for_offset): Also look at the base
859 TYPE_ALIGN when figuring out the alignment of the replacement.
861 2012-02-28 Richard Guenther <rguenther@suse.de>
863 PR tree-optimization/52402
864 * ipa-prop.c (ipa_modify_call_arguments): Properly use
865 mis-aligned types when creating the accesses at the call site.
867 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
869 * config/avr/builtins.def: New file.
870 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
871 * config/avr/avr.c (enum avr_builtin_id): Use it.
872 (avr_init_builtins): Use it. And use avr_bdesc.
873 (bdesc_1arg): Remove.
874 (bdesc_2arg): Remove.
875 (bdesc_3arg): Remove.
876 (struct avr_builtin_description): Add field n_args.
877 (avr_bdesc): New static variable using builtins.def.
878 (avr_expand_builtin): Use it.
879 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
880 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
881 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
883 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
886 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
887 match only one single hard register with respective hard reg rtx.
888 (movmemx_<mode>): Ditto.
889 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
890 insn anatomy of movmem[x]_<mode>.
891 (avr_out_movmem): Same for printing assembler and operand usage.
893 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
897 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
898 address spaces located outside of device flash.
900 * config/avr/avr.h (base_arch_s): Remove field n_segments.
901 (mcu_type_s): Add field n_flash.
902 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
903 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
904 (AVR_MCU): Add N_FLASH argument.
905 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
906 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
907 macro __FLASH<n> if that address space makes sense for the device.
908 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
909 outside of target flash.
910 (avr_asm_named_section): Ditto.
911 (avr_asm_select_section): Ditto.
912 (avr_addr_space_convert): Ditto.
913 (avr_emit_movmemhi): Ditto.
914 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
915 address space is outside of device flash.
916 (avr_insert_attributes): Ditto.
917 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
918 avr_current_arch->n_segments.
920 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
923 * config/i386/i386.md (*movabs<mode>_1): Enable only for
925 (*movabs<mode>_2): Likewise.
927 2012-02-27 Jakub Jelinek <jakub@redhat.com>
930 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
931 s_register_operand in the test instead of REG_P. Don't call
932 gen_reg_rtx if it won't be used.
934 PR tree-optimization/52376
935 * ipa-split.c (split_function): Ignore CLOBBER stmts.
937 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
939 * ifcvt.c (noce_get_condition): Check condition variable is not
940 small_register_classes_for_mode_p before accepting.
942 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
944 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
946 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
949 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
950 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
952 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
954 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
956 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
958 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
960 * config/sh/predicates.md: Remove blank lines.
961 * config/sh/sh.c: Fix typos in comments.
962 * config/sh/constraints.md: Likewise.
963 * config/sh/sh.md: Remove blank lines.
964 Fix typos in comments. Use ;; as comment characters.
966 2012-02-26 Walter Lee <walt@tilera.com>
968 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
969 (replace_mov_pcrel_step2): Ditto.
971 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
974 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
975 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
976 and locs that reference values newer than the non-canonical value
977 at hand. Return the canonical value as a worst case.
978 (memrefs_conflict_p): Walk canonical value's locs.
981 * cselib.c (preserve_only_constants): Rename to...
982 (preserve_constants_and_equivs): ... this. Split out...
983 (invariant_or_equiv_p): ... this. Preserve plus expressions
984 of other preserved expressions too.
985 (cselib_reset_table): Adjust.
986 * var-tracking.c (reverse_op): Use canonical value to build
989 2012-02-23 Kai Tietz <ktietz@redhat.com>
991 * config/i386/i386.c (ix86_delegitimize_address): Handle
992 UNSPEC_PCREL plus displacement.
994 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
997 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
998 to test for unusedness in st X addressing.
1000 2012-02-24 Richard Guenther <rguenther@suse.de>
1003 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1004 (is_gimple_reg_type): Move inline ...
1005 * gimple.h (is_gimple_reg_type): ... here.
1007 2012-02-24 Richard Guenther <rguenther@suse.de>
1010 * passes.c (execute_function_todo): When verifying SSA form
1011 verify gimple form first.
1012 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1014 2012-02-24 Richard Guenther <rguenther@suse.de>
1017 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1018 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1020 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1022 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1024 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1026 * tree-phinodes.c (make_phi_node): Mark static.
1027 * tree-flow.h (make_phi_node): Remove extern decl.
1028 * doc/gimple.texi (make_phi_node): Remove documentation.
1030 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1032 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1033 * tree-ssa-sccvn.c (print_scc): Ditto.
1035 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1037 * doc/passes.texi (Full redundancy elimination): Fix typo.
1039 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1041 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1043 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1046 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1048 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1051 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1053 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1055 * config/avr/avr.md (code_stdname): Add ior, xor.
1056 (xior): New code iterator.
1057 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1058 (*<code_stdname><mode>qi.byte1-3): Ditto.
1060 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1062 PR tree-optimization/52019
1063 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1066 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1068 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1069 HAVE_INITFINI_ARRAY to work around namespace pollution in
1070 certain versions of newlib system headers.
1071 * config.in: Regenerate.
1072 * configure: Regenerate.
1073 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1074 instead of HAVE_INITFINI_ARRAY.
1076 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1079 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1080 is not offsettable memory reference.
1082 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1085 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1086 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1088 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1090 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1091 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1093 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1095 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1096 library on Solaris 8 even without TLS support.
1097 * configure: Regenerate.
1099 2012-02-22 Richard Guenther <rguenther@suse.de>
1102 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1103 for GIMPLE_DEBUG stmts.
1105 2012-02-22 Martin Jambor <mjambor@suse.cz>
1108 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1109 according to the base object.
1111 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1113 PR rtl-optimization/50063
1114 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1115 and 2 (8-bit SP) in operand 2.
1116 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1117 setup to use movhi_sp_r instead of vanilla move to write SP.
1118 Adjust REG_CFA notes to superseed unspec.
1119 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1121 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1122 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1123 irq_state 1 (IRQ known to be on) here.
1125 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1127 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1129 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1130 assign_hard_reg): Likewise.
1132 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1134 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1136 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1139 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1140 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1142 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1144 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1145 prototype from here to...
1146 * config/avr/avr.h: ...here.
1148 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1151 * thumb2.md (thumb2_shiftsi3_short): Split register and
1152 immediate shifts. For register shifts tie operands 0 and 1.
1153 (peephole2 for above): Check that register-controlled shifts
1154 have suitably tied operands.
1156 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1159 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1160 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1161 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1162 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1163 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1164 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1165 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1166 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1167 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1168 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1169 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1170 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1171 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1172 bdver1_ssevector_avx256_unaligned_load,
1173 bdver1_ssevector_sse128_unaligned_load,
1174 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1175 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1176 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1177 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1178 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1179 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1180 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1181 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1182 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1183 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1184 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1185 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1186 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1187 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1188 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1189 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1190 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1191 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1192 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1193 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1194 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1195 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1196 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1197 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1198 bdver1_ssediv_double_load, bdver1_ssediv_double,
1199 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1200 Add "bdver2" attribute.
1202 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1204 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1205 default if possible and not specified otherwise.
1207 2012-02-21 Richard Guenther <rguenther@suse.de>
1210 * gimplify.c (create_tmp_from_val): Use the main variant type
1211 for the type of the temporary we create.
1213 2012-02-21 Richard Guenther <rguenther@suse.de>
1215 PR tree-optimization/52324
1216 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1217 do not gimplify a MEM_REF address operand if it is already
1220 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1222 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1223 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1225 2012-02-21 Richard Guenther <rguenther@suse.de>
1227 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1228 nested_in_vect_loop.
1230 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1232 PR tree-optimization/52318
1233 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1234 vdef also to non-pure/const call stmts in the sequence.
1236 2012-02-20 David S. Miller <davem@davemloft.net>
1238 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1239 don't use the "rd %pc" instruction on v9 for PIC register loads.
1241 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1244 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1245 in a transaction safe function.
1247 2012-02-20 Kai Tietz <ktietz@redhat.com>
1250 * stor-layout.c (place_field): Handle desired_align for
1253 2012-02-20 Richard Guenther <rguenther@suse.de>
1255 PR tree-optimization/52298
1256 * tree-vect-stmts.c (vectorizable_store): Properly use
1257 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1259 (vectorizable_load): Likewise.
1260 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1261 Access DR_STEP after ensuring it is not NULL.
1263 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1265 PR tree-optimization/52286
1266 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1267 optimization use double_int_to_tree instead of build_int_cst_wide,
1268 rewrite to use double_int vars.
1270 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1273 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1275 Remove -e 0 from $gcc_cv_ld invocation.
1276 Only use __GLIBC_PREREQ if defined.
1277 Enable on Solaris since Solaris 8 patch.
1278 (gcc_SUN_LD_VERSION): New macro.
1279 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1280 gcc_SUN_LD_VERSION for version number format.
1281 * configure: Regenerate.
1282 * varasm.c (get_elf_initfini_array_priority_section): Set
1283 SECTION_NOTYPE for non-default priority.
1284 Use get_section instead of get_unnamed_section to emit
1285 .init_array/.fini_array with default priority.
1287 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1289 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1290 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1291 (mips_start_unique_function, mips_output_mips16_rdhwr)
1292 (mips_code_end): New functions.
1293 (TARGET_ASM_CODE_END): Define.
1295 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1297 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1298 to stubs with non-sibling calls.
1300 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1302 * doc/invoke.texi (-fira-* options): Copy-edit.
1303 (ira-* parameters): Copy-edit.
1305 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1307 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1308 GCC coding conventions.
1310 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1312 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1313 when used as adjectives.
1315 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1317 * doc/invoke.texi: Clean up "that"/"which" confusion.
1319 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1321 * system.h: Poison SMALL_REGISTER_CLASSES
1322 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1323 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1325 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1327 PR tree-optimization/52285
1328 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1329 when deciding if a call is a tail call or tail recursion.
1331 2012-02-16 Kai Tietz <ktietz@redhat.com>
1333 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1334 interger-constant displacement for UNSPEC_PCREL.
1336 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1338 PR rtl-optimization/52208
1339 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1340 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1342 PR tree-optimization/52255
1343 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1344 loop->header has virtual PHI, but exit_e->dest doesn't, add
1345 virtual PHI to exit_e->dest and adjust all uses after the loop.
1348 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1349 children with clone_tree_hash, not after it.
1351 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1353 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1354 extended identifiers.
1356 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1359 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1360 a same_body_alias, also test whether e->callee isn't a former
1361 or current clone of the decl this is a same body alias of.
1363 PR translation/52264
1364 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1366 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1368 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1370 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1373 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1374 force_reg instead of copy_to_reg for better optimization. Force
1375 non-register or memory operands into a register.
1377 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1379 * extend.texi: Reserve upper bits of memory model for future use.
1381 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1382 Anatoly Sokolov <aesok@post.ru>
1383 Eric Weddington <eric.weddington@atmel.com>
1386 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1387 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1388 Rewrite initializers for .macro.
1389 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1390 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1391 atxmega32d4, atxmega32x1.
1392 avrxmega4: atxmega64a3, atxmega64d3.
1393 avrxmega5: atxmega64a1, atxmega64a1u.
1394 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1395 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1396 avrxmega7: atxmega128a1, atxmega128a1u.
1397 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1398 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1399 (struct base_arch_s): Rename reserved to xmega_p.
1400 Rename reserved2 to have_rampd.
1401 (AVR_XMEGA): New define.
1402 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1403 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1404 * config/avr/predicates.md (io_address_operand): Take into
1406 (low_io_address_operand): Ditto.
1407 (high_io_address_operand): Ditto.
1408 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1409 (enabled, movhi_sp_r): Use them.
1410 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1411 cpp_define_formatted to built-in define __AVR_ARCH__.
1412 (__AVR_XMEGA__): New built-in define.
1413 (__AVR_HAVE_RAMPD__): New built-in define.
1414 (__AVR_HAVE_RAMPX__): New built-in define.
1415 (__AVR_HAVE_RAMPY__): New built-in define.
1416 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1418 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1419 (avr_option_override): Initialize them.
1420 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1421 (avr_init_expanders): Initialize them. No more block several calls.
1422 (emit_push_sfr): New static function.
1423 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1425 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1426 (avr_print_operand): Print addreeses as symbols for
1427 RAMPX, RAMPY, RAMPD, CCP.
1428 (output_movhi): Handle AVR_XMEGA when writing to SP.
1429 (avr_out_movhi_mr_r_xmega): New static function.
1430 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1431 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1432 __RAMPD__, __CCP__ as needed.
1434 * config/avr/multilib.h: Regenerate.
1435 * config/avr/t-multilib: Regenerate.
1436 * config/avr/avr-tables.opt: Regenerate.
1438 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1440 PR tree-optimization/50561
1441 * graphite-flattening.c (lst_project_loop): Do not
1442 remove old scattering dimensions after flattening.
1443 (lst_do_flatten): Likewise.
1445 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1447 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1448 __builtin_avr_map8, __builtin_avr_map16.
1449 Document __builtin_avr_insert_bits.
1451 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1452 (insert_bits): New insn.
1453 (adjust_len.map_bits): Rename to insert_bits.
1454 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1455 * avr-protos.h (avr_out_map_bits): Remove.
1456 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1457 * config/avr/constraints.md (Cxf,C0f): New.
1458 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1459 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1460 New built-in define __BUILTIN_AVR_INSERT_BITS.
1461 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1462 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1463 (avr_move_bits): Rewrite.
1464 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1466 (avr_map_op_t): New typedef.
1467 (avr_map_op): New static variable.
1468 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1469 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1470 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1471 (bdesc_3arg, avr_expand_triop_builtin): New.
1472 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1473 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1474 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1475 (avr_map_equal_p, avr_map_sig_p): Remove.
1476 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1477 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1478 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1479 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1480 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1481 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1483 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1485 * config/c6x/c6x.md (reserve_cycles): New attribute.
1486 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1487 don't reserve functional units after the branch occurs.
1489 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1492 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1493 functions into non-tm_pure functions.
1495 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1498 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1499 (iterative_hash_canonical_type): Likewise.
1500 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1503 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1505 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1506 sched-group insn, it either remains alone or the entire list is pruned.
1508 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1510 * doc/install.texi (Prerequisites): Fix grammar.
1511 (Configuration): Likewise.
1513 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1515 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1516 MPC as part of GCC before describing configuring with --with-gmp etc.
1517 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1518 sources are present.
1520 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1523 * dwarf2out.c (clone_tree_hash): New function.
1524 (copy_decls_walk): Use it instead of clone_tree.
1526 2012-02-14 Richard Guenther <rguenther@suse.de>
1528 PR tree-optimization/52244
1529 PR tree-optimization/51528
1530 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1531 replacements for integral types.
1533 2012-02-14 Walter Lee <walt@tilera.com>
1535 * config.gcc: Handle tilegx and tilepro.
1536 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1538 Add HAVE_AS_TLS check for tilegx and tilepro.
1539 * configure: Regenerate.
1540 * doc/contrib.texi: Add Mat Hostetter and self.
1541 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1542 Document instruction intrinsics and network accessing intrinsics.
1543 (TILEPro Built-in Functions): New node. Document instruction
1544 intrinsics and network accessing intrinsics.
1545 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1546 (Specific, tilepro-*-linux*): Likewise.
1547 * doc/invoke.texi (TILE-Gx Options): New section.
1548 (TILEPro Options): New section.
1549 * doc/md.texi (TILE-Gx): New section.
1550 (TILEPro): New section.
1551 * common/config/tilegx/tilegx-common.c: New file.
1552 * common/config/tilepro/tilepro-common.c: New file.
1553 * config/tilegx/constraints.md: New file.
1554 * config/tilegx/linux.h: New file.
1555 * config/tilegx/mul-tables.c: New file.
1556 * config/tilegx/predicates.md: New file.
1557 * config/tilegx/sync.md: New file.
1558 * config/tilegx/t-tilegx: New file.
1559 * config/tilegx/tilegx-builtins.h: New file.
1560 * config/tilegx/tilegx-c.c: New file.
1561 * config/tilegx/tilegx-generic.md: New file.
1562 * config/tilegx/tilegx-modes.def: New file.
1563 * config/tilegx/tilegx-multiply.h: New file.
1564 * config/tilegx/tilegx-protos.h: New file.
1565 * config/tilegx/tilegx.c: New file.
1566 * config/tilegx/tilegx.h: New file.
1567 * config/tilegx/tilegx.md: New file.
1568 * config/tilegx/tilegx.opt: New file.
1569 * config/tilepro/constraints.md: New file.
1570 * config/tilepro/gen-mul-tables.cc: New file.
1571 * config/tilepro/linux.h: New file.
1572 * config/tilepro/mul-tables.c: New file.
1573 * config/tilepro/predicates.md: New file.
1574 * config/tilepro/t-tilepro: New file.
1575 * config/tilepro/tilepro-builtins.h: New file.
1576 * config/tilepro/tilepro-c.c: New file.
1577 * config/tilepro/tilepro-generic.md: New file.
1578 * config/tilepro/tilepro-modes.def: New file.
1579 * config/tilepro/tilepro-multiply.h: New file.
1580 * config/tilepro/tilepro-protos.h: New file.
1581 * config/tilepro/tilepro.c: New file.
1582 * config/tilepro/tilepro.h: New file.
1583 * config/tilepro/tilepro.md: New file.
1584 * config/tilepro/tilepro.opt: New file.
1586 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1588 PR tree-optimization/52210
1589 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1590 vect_model_simple_cost with two entry vect_def_type array instead
1591 of an address of dt.
1593 2012-02-14 Richard Guenther <rguenther@suse.de>
1596 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1597 Do not stream DECL_QUALIFIER.
1598 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1599 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1600 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1602 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1605 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1608 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1611 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1612 * cselib.c (cselib_subst_to_values_from_insn): New function.
1613 * sched-deps.c (add_insn_mem_dependence,
1614 sched_analyze_1, sched_analyze_2): Use it.
1616 2012-02-13 Jan Hubicka <jh@suse.cz>
1619 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1621 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1623 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1624 (GTM_SELF_SPECS): Define if not already defined.
1625 (driver_self_specs): Add GTM_SELF_SPECS.
1626 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1627 (GTM_SELF_SPECS): Define.
1628 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1629 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1631 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1633 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1636 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1639 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1640 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1642 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1645 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1647 2012-02-13 Richard Guenther <rguenther@suse.de>
1649 PR translation/52211
1650 * passes.c (enable_disable_pass): Fix typo.
1652 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1655 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1656 XOR for reduce_bit_field if type is unsigned.
1658 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1660 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1661 disallow changes from SFmode to mode with different size in FP regs.
1663 2012-02-12 Robert Millan <rmh@gnu.org>
1664 Gerald Pfeifer <gerald@pfeifer.com>
1666 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1669 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1671 PR rtl-optimization/52175
1672 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1673 to frame-related instructions.
1675 2012-02-10 Jason Merrill <jason@redhat.com>
1678 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1679 (demangle_new_symbols): Fill it.
1680 (scan_linker_output): Walk it.
1681 (start_tweaking): Split out from scan_linker_output.
1682 (maybe_tweak): Update sym->chosen.
1683 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1685 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1688 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1690 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1692 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1693 having the same mode as previous compare.
1695 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1697 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1698 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1699 (nonlocal_goto_internal): Likewise.
1700 (nonlocal_goto): Emit a use and an indirect jump directly.
1702 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1705 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1706 __atomic_{is,always}_lock_free.
1708 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1711 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1712 negative constant address for x32.
1714 2012-02-10 Richard Henderson <rth@redhat.com>
1716 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1717 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1718 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1720 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1721 Ira Rosen <irar@il.ibm.com>
1723 PR tree-optimization/50031
1724 * targhooks.c (default_builtin_vectorization_cost): Handle
1726 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1727 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1728 all types of reduction and pattern statements.
1729 (vect_estimate_min_profitable_iters): Likewise.
1730 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1731 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1732 for explicit realigns.
1733 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1734 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1736 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1737 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1738 vec_perm for VSX and handle vec_promote_demote.
1740 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1743 * builtins.c (fold_builtin_atomic_always_lock_free,
1744 expand_builtin_atomic_always_lock_free,
1745 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1746 Return and/or test boolean_true_node/boolean_false_node instead of
1747 integer_one_node/integer_zero_node.
1749 2012-02-10 Jan Hubicka <jh@suse.cz>
1752 * predict.c (predict_paths_for_bb): Prevent looping.
1753 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1755 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1757 * config/arm/arm.c (output_move_double): In one case properly
1758 count number of instructions that will be emitted.
1760 2012-02-10 Richard Guenther <rguenther@suse.de>
1762 PR translation/52193
1763 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1765 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1768 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1770 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1773 * var-tracking.c (emit_note_insn_var_location): If
1774 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1775 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1776 non-NOTE_DURING_CALL_P insn.
1778 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1781 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1783 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1786 * gcc.c (switch_matches) Support switches with separated form,
1789 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1791 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1793 (RAMPZ_ADDR): Ditto.
1794 * config/avr/avr.c (avr_addr_t): New typedef.
1795 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1796 (avr_init_expanders): Initialize it.
1797 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1799 (expand_epilogue): Ditto.
1800 (avr_print_operand): Ditto.
1801 (avr_file_start): Ditto.
1802 (avr_emit_movmemhi): Ditto.
1804 2012-02-08 Richard Guenther <rguenther@suse.de>
1806 PR tree-optimization/46886
1807 * tree-flow.h (do_while_loop_p): Declare.
1808 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1809 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1811 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1813 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1814 always succeed for integers larger than a native word.
1816 2012-02-08 Richard Guenther <rguenther@suse.de>
1818 PR rtl-optimization/52170
1819 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1820 properly handle integer vector modes.
1822 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1824 PR gcov-profile/52150
1825 * coverage.c: Include target.h.
1826 (build_var): Call targetm.strip_name_encoding on the assembler name.
1827 Change one _ into . or $ if the target allows it.
1828 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1830 PR rtl-optimization/52139
1831 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1832 is a BARRIER after emit_insn_after_noloc, move BB_END
1833 to the last non-BARRIER insn before it.
1835 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1838 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1839 (mips_gimplify_va_arg_expr): Call it instead of
1840 std_gimplify_va_arg_expr.
1842 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1844 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1845 message for -mno-pointers-to-nested-function.
1847 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1850 * expr.c (get_inner_reference): If there is an offset, add a negative
1851 bit position to it (if any).
1853 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1855 PR rtl-optimization/52060
1856 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1857 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1858 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1859 and/or i0src_copy2 when needed.
1861 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1863 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1864 or LTOPLUGINSONAME if have_c.
1866 * config/freebsd-spec.h: Add comment about what macros can be defined
1868 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1869 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1872 2012-02-07 Richard Guenther <rguenther@suse.de>
1874 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1875 newline in -alias dumps.
1877 2012-02-07 Kai Tietz <ktietz@redhat.com>
1878 Dave Korn <dave.korn.cygwin@gmail.com>
1881 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1882 Take care that typinfo gets dllexport-attribute.
1884 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1887 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1888 if modifier < EXPAND_SUM call force_operand on the result.
1890 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1892 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1893 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1895 (epiphany_function_type): Replace types for specific interrupts with
1896 EPIPHANY_FUNCTION_INTERRUPT.
1897 (EPIPHANY_INTERRUPT_P): Update.
1898 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1899 New static function.
1900 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1901 <disinterrupt>: Affects type identity.
1902 (epiphany_handle_interrupt_attribute): Handle variable number of
1904 (epiphany_compute_function_type): Update for new
1905 epiphany_function_type definition.
1906 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1907 handlers with a longcall forwarder.
1908 (epiphany_start_function): Handle multiple interrupt arguments and/or
1909 forwarder_section attribute.
1911 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1914 2012-02-07 Alan Modra <amodra@gmail.com>
1917 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1920 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1922 PR tree-optimization/50969
1923 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1924 use vec_perm rather than vector_stmt.
1925 (vect_model_load_cost): Likewise.
1926 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1927 vec_perm to be the same as other vector statements.
1928 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1929 cost of vec_perm for TARGET_VSX.
1931 2012-02-06 Richard Guenther <rguenther@suse.de>
1933 PR tree-optimization/52115
1934 * tree-sra.c (access_has_replacements_p): New function.
1935 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1937 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1940 * trans-mem.c (expand_call_tm): Add an assertion.
1941 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1944 2012-02-06 Richard Guenther <rguenther@suse.de>
1946 PR tree-optimization/50955
1947 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1948 raise cost of expressions that replace an address with an
1949 expression based on a different pointer.
1951 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1954 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1955 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1957 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1960 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1961 -Weffc++ and specify guidelines come from second edition.
1963 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1965 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1966 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1967 (call_direct_split, call_value_split, call_value_internal_direct)
1968 (call_value_direct_split, call_value_multiple_split): Use jal and
1969 jal_macro attributes.
1971 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1973 * reload1.c (reload_regs_reach_end_p): Replace with...
1974 (reload_reg_rtx_reaches_end_p): ...this function.
1975 (new_spill_reg_store): Update commentary.
1976 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1977 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1978 before setting new_spill_reg_store.
1979 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1980 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1981 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1982 for non-spill reload registers.
1984 2012-02-05 Ira Rosen <irar@il.ibm.com>
1986 PR tree-optimization/52091
1987 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1988 (vect_is_simple_use_1): Likewise.
1989 * tree-vect-loop.c (vectorizable_reduction): Update calls
1990 to vect_is_simple_use_1 and vect_is_simple_use.
1991 (vectorizable_live_operation): Likewise.
1992 * tree-vect-patterns.c (widened_name_p,
1993 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1994 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1995 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1996 vectorizable_shift,vectorizable_operation, vectorizable_store,
1997 vectorizable_load): Likewise.
1998 (vect_is_simple_cond): Add an argument, pass it to
1999 vect_is_simple_use_1.
2000 (vectorizable_condition): Update calls to vect_is_simple_cond,
2002 (vect_is_simple_use): Add an argument, the statement in which
2003 OPERAND is used. Check that if OPERAND's def stmt is a double
2004 reduction phi node, the use is a phi node too.
2005 (vect_is_simple_use_1): Add an argument, pass it to
2007 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2008 to vect_is_simple_use.
2010 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2012 PR rtl-optimization/52095
2013 * modulo-sched.c (dump_insn_locator): New function.
2014 (loop_canon_p, sms_schedule): Use it.
2016 PR rtl-optimization/52113
2017 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2018 even for decomposable shift/zext insns.
2020 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2021 Zdenek Dvorak <ook@ucw.cz>
2023 PR rtl-optimization/52092
2024 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2025 on get_iv_value result.
2027 2012-02-02 Andrew Pinski <apinski@cavium.com>
2031 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2033 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2036 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2038 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2040 PR rtl-optimization/49800
2041 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2042 (sched_finish): Call regstat_free_n_sets_and_refs.
2044 2012-02-02 Jia Liu <proljc@gmail.com>
2046 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2049 2012-02-02 Jan Hubicka <jh@suse.cz>
2050 Tom de Vries <tom@codesourcery.com>
2053 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2054 * varpool.c (varpool_analyze_pending_decls): Likewise.
2056 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2057 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2059 * config.gcc: Add cr16-* support.
2061 * doc/extend.texi: Document cr16 extensions.
2062 * doc/install.texi: Document cr16 install.
2063 * doc/invoke.texi: Document cr16 options.
2064 * doc/md.texi: Document cr16 constraints.
2066 * common/config/cr16/cr16-common.c: New file.
2067 * config/cr16/cr16.c: New file.
2068 * config/cr16/cr16.h: New file.
2069 * config/cr16/cr16.md: New file.
2070 * config/cr16/cr16.opt: New file.
2071 * config/cr16/cr16-protos.h: New file.
2072 * config/cr16/predicates.md: New file.
2073 * config/cr16/constraints.md: New file.
2074 * config/cr16/t-cr16: New file.
2076 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2079 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2080 that operands[2] is either immediate, or q_regs_operand.
2082 PR tree-optimization/52073
2083 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2084 a pattern stmt for pattern uses, ignore uses outside of the loop.
2086 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2088 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2089 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2090 (OUT_AS1, OUT_AS2): Remove.
2092 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2094 PR rtl-optimization/51374
2095 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2096 to cross other volatile_refs_p insns.
2098 2012-02-01 Richard Guenther <rguenther@suse.de>
2100 * doc/invoke.texi (fno-inline): Clarify documentation.
2101 (finline-small-functions): Likewise.
2102 (finline-functions): Likewise.
2103 * common.opt (finline): Adjust comment and documentation.
2104 (finline-small-functions): Clarify documentation.
2105 (finline-functions): Likewise.
2106 (finline-functions-called-once): Likewise.
2108 2012-02-01 Tristan Gingold <gingold@adacore.com>
2110 * c-typeck.c (composite_type): Keep mode for pointers.
2112 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2114 * function.h (regno_reg_rtx): Adjust comment.
2115 * reginfo.c (init_reg_modes_target): Only use the previous mode
2116 if it fits within one register. Remove MIPS comment.
2118 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2121 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2123 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2125 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2126 to srak instruction.
2128 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2130 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2132 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2137 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2139 2012-01-31 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/51528
2142 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2145 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2150 * ree.c (add_removable_extension): Change def_map argument
2151 to unsigned *, store in def_map 1 + offset into *insn_list vector
2152 instead of pointers into the vector.
2153 (find_removable_extensions): Adjust caller.
2155 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2157 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2158 Transform all "* quoted-c-code" to { c-code }.
2159 Remove redundant test for "optimize" in combine patterns.
2160 Move (include "avr-dimode.md") to end of file.
2162 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2165 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2166 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2168 2012-01-30 Richard Guenther <rguenther@suse.de>
2170 PR tree-optimization/52028
2171 * tree-loop-distribution.c (ldist_gen): Properly update
2174 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2177 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2178 set_cur_line_info_table if not emitting debug info.
2180 PR tree-optimization/52046
2181 * tree-vect-patterns.c (check_bool_pattern): Give up if
2182 a comparison could throw.
2185 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2187 2012-01-30 Richard Guenther <rguenther@suse.de>
2189 PR tree-optimization/52045
2190 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2191 SSA form if cfgcleanup did anything.
2193 2012-01-30 Richard Guenther <rguenther@suse.de>
2195 PR tree-optimization/52045
2196 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2197 before computing final todo.
2199 2012-01-30 Richard Guenther <rguenther@suse.de>
2201 PR tree-optimization/51528
2202 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2205 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2207 * df-problems.c (df_kill_notes): Check that the use refers
2208 to the note under examination.
2210 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2213 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2214 parameter and use short-lived pseudos.
2215 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2216 (sparc_expand_vector_init): Const-ify local variables and adjust
2217 calls to above functions.
2219 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2221 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2223 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2225 * doc/invoke.texi: Make usage of "compile time" and
2226 "run time"/"runtime" consistent throughout the file.
2228 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2230 * config/alpha/alpha.c (alpha_option_override): Default to
2231 full IEEE compliance mode for Go language.
2233 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2235 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2236 (LINK_SSP_SPEC): Define.
2238 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2241 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2244 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2246 * doc/invoke.texi: Correct hyphenation of "floating point",
2247 "double precision", and related terminology throughout the file.
2249 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2252 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2253 arm_general_register_operand predicate for operand 2 instead of
2256 2012-01-27 Ian Lance Taylor <iant@google.com>
2259 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2260 * builtins.c (expand_builtin_init_trampoline): Add onstack
2261 parameter. Change caller.
2262 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2263 * tree.c (build_common_builtin_nodes): Declare
2264 __builtin_init_heap_trampoline.
2266 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2268 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2269 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2270 * config/avr/avr.c: Ditto.
2271 (avr_regnames): Remove because unused.
2272 * config/avr/avr.md (*cpse.ne): New peephole.
2273 (*cpse.eq): New peephole from former cpse peepholes.
2275 2012-01-27 Michael Eager <eager@eagercon.com>
2277 * config/microblaze.c (microblaze_emit_compare): Correct
2278 test after pcmp instruction.
2280 2012-01-27 Richard Guenther <rguenther@suse.de>
2282 PR tree-optimization/52020
2283 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2285 2012-01-27 Richard Guenther <rguenther@suse.de>
2287 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2288 function non-const/pure.
2290 2012-01-27 Richard Guenther <rguenther@suse.de>
2292 PR tree-optimization/50444
2293 * tree-sra.c (build_ref_for_offset): Properly adjust the
2294 MEM_REF type for unaligned accesses.
2296 2012-01-27 Richard Guenther <rguenther@suse.de>
2298 PR tree-optimization/50444
2299 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2300 (expand_assignment): Use it. Properly handle misaligned
2301 bases when expanding stores to component references.
2302 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2305 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2308 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2309 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2310 * tree-data-ref.c (find_data_references_in_loop): Make static.
2311 (compute_all_dependences): Change return type to bool. Bail out
2312 for too many datarefs in a loop. Move the hunk resetting the data
2313 dependences vector from ...
2314 (compute_data_dependences_for_loop): ... here. Account for
2315 compute_all_dependences returning false.
2316 (compute_data_dependences_for_bb): Likewise.
2317 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2318 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2320 2012-01-27 Richard Guenther <rguenther@suse.de>
2323 * expr.c (store_field): Use the alias-set of the scratch memory
2326 2012-01-27 Tom de Vries <tom@codesourcery.com>
2328 PR tree-optimization/51990
2329 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2331 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2333 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2336 * var-tracking.c (reverse_op): Don't add any reverse operation
2337 if V already has any constant locations.
2339 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2341 * doc/invoke.texi: Correct usage of "command line" (noun)
2342 vs "command-line" (adjective) throughout.
2344 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2346 * doc/invoke.texi (Language Independent Options): Move
2347 -Wcoverage-mismatch blurb from here....
2348 (Warning Options): ...to here.
2350 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2352 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2353 Set rs6000_always_hint to false for 476.
2355 2012-01-27 Matthias Klose <doko@ubuntu.com>
2357 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2359 * incpath.c (add_standard_paths): Likewise.
2361 2012-01-27 Richard Henderson <rth@redhat.com>
2363 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2364 * config/m68k/sync.md (atomic_test_and_set): Rename from
2365 sync_test_and_setqi and adjust the operands.
2366 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2367 and unconditionally enable.
2369 2012-01-27 Richard Henderson <rth@redhat.com>
2371 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2372 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2373 (ldstub): Rename from ldstubqi.
2374 (ldstub<I24MODE>): Remove.
2376 2012-01-27 Richard Henderson <rth@redhat.com>
2378 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2379 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2380 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2381 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2382 * doc/tm.texi: Rebuild.
2384 2012-01-27 Richard Henderson <rth@redhat.com>
2386 * optabs.c (gen_atomic_test_and_set): Remove default.
2387 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2389 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2391 PR rtl-optimization/51978
2392 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2393 (combine_reaching_defs): Likewise.
2394 (struct re_info): Remove.
2395 (add_removable_extension): Remove x and data arguments,
2396 add insn, insn_list and def_map. Use the arguments directly
2397 instead of using struct re_info.
2398 (find_removable_extensions): Don't call add_removable_extension
2399 through note_stores, instead just call it with single_set
2401 (find_and_remove_re): Pass curr_cand->expr instead of
2402 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2404 2012-01-26 Michael Matz <matz@suse.de>
2406 PR tree-optimization/46590
2407 * cfgexpand.c: Revert last change (r183305).
2408 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2410 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2411 checking for emptiness.
2413 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2416 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2417 non-addressable non-BLKmode base correctly.
2419 2012-01-26 Michael Matz <matz@suse.de>
2421 PR tree-optimization/48794
2422 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2423 regions referenced from RESX/EH_DISPATCH.
2425 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2427 * config/s390/s390.h: Make BRANCH_COST an option.
2428 * config/s390/s390.opt: New option -mbranch-cost.
2430 2012-01-26 Richard Henderson <rth@redhat.com>
2432 Revert 2012-01-24 change:
2433 * trans-mem.c (requires_barrier): Do not instrument thread local
2434 variables and emit save/restore for them.
2436 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2439 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2442 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2444 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2447 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2450 Rename __pgm to __flash.
2451 Rename __pgm1 to __flash1.
2452 Rename __pgm2 to __flash2.
2453 Rename __pgm3 to __flash3.
2454 Rename __pgm4 to __flash4.
2455 Rename __pgm5 to __flash5.
2456 Rename __pgmx to __memx.
2457 * doc/extend.texi (AVR Named Address Spaces)
2458 Rename address space names as indicated above.
2459 * config/avr/avr.c (avr_addrspace): Ditto.
2461 * config/avr/avr-protos.h
2462 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2463 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2464 * config/avr/predicates.md: Ditto.
2465 * config/avr/avr.c Ditto, and
2466 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2467 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2469 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2470 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2471 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2472 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2473 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2474 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2475 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2476 * config/avr/avr.c: Ditto.
2477 * config/avr/avr.md: Ditto.
2479 2012-01-25 Jason Merrill <jason@redhat.com>
2482 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2484 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2486 PR tree-optimization/51987
2487 * tree-data-ref.c (get_references_in_stmt): Handle references in
2488 non-volatile GIMPLE_ASM.
2490 2012-01-25 Richard Guenther <rguenther@suse.de>
2492 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2493 bases are dereferenced.
2495 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2497 PR rtl-optimization/48374
2498 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2500 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2502 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2503 compute_data_dependences_for_loop returns false.
2504 * tree-parloops.c (loop_parallel_p): Likewise.
2506 2012-01-25 Richard Guenther <rguenther@suse.de>
2508 * tree.h (get_pointer_alignment_1): Declare.
2509 * builtins.c (get_pointer_alignment_1): New function.
2510 (get_pointer_alignment): Use it.
2512 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2514 PR rtl-optimization/48308
2515 * combine.c (enum undo_kind): Add UNDO_LINKS.
2516 (struct undo): Add member l to other_contents and where.
2517 (do_SUBST_LINK): New.
2519 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2520 (undo_all): Handle UNDO_LINKS.
2522 2012-01-25 Richard Henderson <rth@redhat.com>
2524 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2527 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2529 * optabs.c (gen_atomic_test_and_set): Use each argument.
2531 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2533 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2534 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2535 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2536 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2537 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2538 TARGET_PAIRED_SINGLE_FLOAT.
2540 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2542 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2543 (in_struct, return_val): Remove MEM documentation.
2544 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2545 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2546 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2548 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2549 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2550 * expr.c (store_field): Likewise.
2551 * function.c (assign_stack_temp_for_type): Likewise.
2552 * ifcvt.c (noce_try_cmove_arith): Likewise.
2553 * reload1.c (reload): Likewise.
2554 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2555 (alpha_set_memflags): Likewise.
2556 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2558 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2560 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2562 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2563 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2564 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2566 * cselib.c (cselib_rtx_varies_p): Delete.
2567 (cselib_invalidate_mem): Update call to canon_true_dependence.
2568 * dse.c (record_store, check_mem_read_rtx): Likewise.
2569 (scan_reads_nospill): Likewise.
2570 * cse.c (check_dependence): Likewise.
2571 (cse_rtx_varies_p): Delete.
2572 * expr.c (safe_from_p): Update call to true_dependence.
2573 * ira.c (validate_equiv_mem_from_store): Likewise.
2574 (memref_referenced_p): Likewise.
2575 * postreload-gcse.c (find_mem_conflicts): Likewise.
2576 * sched-deps.c (sched_analyze_2): Likewise.
2577 * store-motion.c (load_kills_store): Likewise.
2578 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2579 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2580 (compute_transp): Update call to canon_true_dependence.
2582 2012-01-25 Richard Henderson <rth@redhat.com>
2584 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2585 (maybe_emit_atomic_test_and_set): New.
2586 (expand_sync_lock_test_and_set): Use it.
2587 (expand_atomic_test_and_set): Likewise.
2588 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2589 the implementation; clarify implementation defined details.
2590 * doc/md.texi (atomic_test_and_set): Document.
2592 2012-01-25 Richard Henderson <rth@redhat.com>
2594 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2596 2012-01-25 Richard Henderson <rth@redhat.com>
2599 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2600 to effect no-op split.
2602 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2605 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2606 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2607 (BT_FN_VOID_PTR_INT_SIZE): New.
2608 (BT_FN_UINT_UINT_VAR): Remove.
2609 (BT_FN_UINT32_UINT32_VAR): New.
2610 (BT_FN_DOUBLE_VPTR): Remove.
2611 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2613 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2614 (_ITM_changeTransactionMode): Same.
2615 (_ITM_memmoveRtWt): Change return type to void.
2616 (_ITM_memcpyRtWt): Same.
2617 (_ITM_memsetW): Same.
2618 (_ITM_RaRD): Change types to double.
2623 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2625 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2626 Patrick Marlier <patrick.marlier@gmail.com>
2628 * trans-mem.c (requires_barrier): Do not instrument thread local
2629 variables and emit save/restore for them.
2631 2012-01-24 Jason Merrill <jason@redhat.com>
2634 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2635 output static aliases.
2637 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2640 * common.opt (-pie, -shared, pie, shared): Change from Common to
2642 * gcc.c (display_help): Display help for -pie and -shared.
2644 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2647 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2648 Remove note on size/offset limitation.
2649 (AVR Variable Attributes): Add example how to read data located
2650 with progmem. Refer to named address spaces.
2651 * doc/invoke.texi (AVR Options): Fix typo.
2653 2012-01-24 Richard Guenther <rguenther@suse.de>
2655 Forward-port to trunk
2656 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2659 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2660 op0 isn't sufficiently aligned and there is movmisalignM
2661 insn for mode, use it to load op0 into a temporary register.
2663 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2666 * target.def (const_not_ok_for_debug_p): New hook.
2667 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2669 * doc/tm.texi: Regenerated.
2670 * dwarf2out.c (const_ok_for_output_1): If
2671 targetm.const_not_ok_for_debug_p returns true, fail.
2672 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2674 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2676 2012-01-23 Kai Tietz <ktietz@redhat.com>
2679 * config/i386/predicates.md (symbolic_operand): Allow
2680 UNSPEC_PCREL as PIC expression for lea.
2681 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2682 * config/i386/i386.c (ix86_delegitimize_address): Handle
2683 UNSPEC_PCREL for none-MEM, too.
2685 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2687 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2688 (ipa_tm_create_version_alias): Same.
2690 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2693 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2694 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2696 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2697 Patrick Marlier <patrick.marlier@gmail.com>
2698 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2701 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2702 simple_object_start_read.
2704 2012-01-23 Richard Guenther <rguenther@suse.de>
2707 PR tree-optimization/51895
2708 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2709 parameter decomposition into BLKmode components.
2711 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2713 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2714 fake variables for restrict-qualified pointers whose pointed-to type
2715 contains a placeholder.
2717 2012-01-23 Richard Guenther <rguenther@suse.de>
2719 PR tree-optimization/51949
2720 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2722 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2724 PR rtl-optimization/51933
2725 * ree.c (transform_ifelse): Return true right away if dstreg is
2726 already wider or equal to cand->mode.
2727 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2728 (make_defs_and_copies_lists): Remove defs_list and copies_list
2729 arguments, add state argument, just truncate state->work_list
2730 instead of always allocating and freeing the vector. Assert that
2731 get_defs succeeds instead of returning 2. Changed return type to bool.
2732 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2733 have ext_src_mode, see if it has been modified already with the
2734 right kind of extension and has been extended before from the
2735 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2736 just return true. Remember the original mode in state->modified array.
2737 (combine_reaching_defs): Add state argument. Don't allocate and
2738 free here def_list, copied_list and vec vectors, instead just
2739 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2740 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2741 Add state variable, clear vectors in it, initialize state.modified
2742 if needed. Free all the vectors at the end and state.modified too.
2743 Don't skip a candidate if the extension expression has been modified.
2745 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2748 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2749 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2750 (extra_options) interix.opt -> i386/interix.opt"
2751 (extra_objs):Add winnt-stubs.o
2752 * configure.ac: Add interix to target_os .comm on PE check.
2753 * configure: Regenerate.
2754 * config/interix3.h: Delete and move bits to..
2755 * config/interix.h: Delete and move bits to..
2756 * config/i386/i386-interix3.h: Delete and move bits to..
2757 * config/i386/i386-interix.h: ..here.
2758 (TARGET_CPU_DEFAULT): Remove redefinition.
2759 (TARGET_ASM_CONSTRUCTOR): Undefine.
2760 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2761 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2762 (PTRDIFF_TYPE): Define.
2763 (LONG_DOUBLE_TYPE_SIZE): Define.
2764 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2765 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2766 (TARGET_SECTION_TYPE_FLAGS): Define.
2767 (ASM_DECLARE_FUNCTION_NAME): Define.
2768 (ASM_OUTPUT_EXTERNAL): Define.
2769 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2770 (ASM_OUTPUT_ALIGNED_BSS): Define.
2771 (PCC_BITFIELD_TYPE_MATTERS): Define.
2772 (USE_CONST_SECTION): Define.
2773 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2774 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2775 (SUPPORTS_ONE_ONLY): Remove.
2776 (I386_PE_STRIP_ENCODING): Define.
2777 * config/interix.opt: Delete and move bits to..
2778 * config/i386/interix.opt: ..here. New.
2779 (mpe-aligned-commons): Add.
2780 * config/i386/t-interix: Add copyright header.
2781 (winnt-stubs.o): Add rule.
2783 2012-01-22 Jason Merrill <jason@redhat.com>
2786 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2787 for extra name aliases.
2789 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2791 PR rtl-optimization/51924
2792 * ree.c (combine_set_extension): Improve debugging message.
2793 (combine_reaching_defs): Likewise.
2794 (get_defs): Rename confusingly named variable.
2795 (find_and_remove_re): Skip a candidate if the extension expression has
2798 2012-01-21 Robert Millan <rmh@gnu.org>
2799 Gerald Pfeifer <gerald@pfeifer.com>
2801 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2802 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2804 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2806 PR tree-optimization/51914
2807 * tree-vect-stmts.c (vectorizable_conversion): For
2808 cvt_type && modifier == WIDEN, put temporary with cvt_type
2809 at the beginning of vec_dsts and set vec_dest to temporary
2812 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2814 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2816 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2818 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2819 * config/rs6000/rs6000.c: Likewise.
2821 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2824 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2825 output_move_double on a copy of operands array.
2827 2012-01-20 Cary Coutant <ccoutant@google.com>
2828 Dodji Seketeli <dodji@redhat.com>
2831 * dwarf2out.c (copy_declaration_context): Return ref to parent
2832 of declaration DIE, if necessary.
2833 (remove_child_or_replace_with_skeleton): Add new parameter; update
2834 caller. Place skeleton DIE under parent DIE of original declaration.
2835 Move call to copy_declaration_context to here ...
2836 (break_out_comdat_types): ... from here.
2838 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2840 PR rtl-optimization/51856
2841 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2844 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2847 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2848 hints for neon loads and stores.
2850 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2854 * doc/extend.texi (Named Address Spaces): Split into subsections.
2855 (AVR Named Address Spaces): New subsection.
2856 (M32C Named Address Spaces): New subsection.
2857 (RL78 Named Address Spaces): New subsection.
2858 (SPU Named Address Spaces): New subsection.
2859 (Variable Attributes): New anchor "AVR Variable Attributes".
2860 (AVR Variable Attributes): Rewrite and avoid wording
2861 "address space" in this context.
2862 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2863 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2864 (AVR Built-in Macros): New subsubsection therein.
2865 * doc/md.texi (AVR constraints): Remove "C04", "R".
2867 2012-01-20 Richard Guenther <rguenther@suse.de>
2869 PR tree-optimization/51903
2870 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2871 when removing stmts.
2873 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2876 * config/arm/arm.c (arm_load_pic_register): Use
2877 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2878 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2879 (arm_pic_static_addr): Likewise.
2880 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2881 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2882 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2883 (pic_load_addr_unified): New.
2885 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2888 * function.c (instantiate_virtual_regs_in_insn): Use
2889 delete_insn_and_edges when removing a wrong asm insn.
2891 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2893 PR rtl-optimization/40761
2894 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2895 Add new member loop_num.
2896 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2897 (ira_build): Remove the parameter.
2899 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2900 (ira.c): Do not build CFG loops for one region allocation. Remove
2901 argument from ira_build call.
2903 * ira-build.c (init_loop_tree_node): New function.
2904 (create_loop_tree_nodes): Use it. Separate the case when CFG
2905 loops are not built.
2906 (more_one_region_p): Check current_loops.
2907 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2909 (add_loop_to_tree): Process loop equal to NULL too.
2910 (form_loop_tree): Separate the case when CFG loops are not built.
2911 Use explicitly number for the root.
2912 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2914 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2915 instead of loop->num.
2916 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2917 (mark_all_loops_for_removal): Ditto.
2918 (remove_unnecessary_regions): Separate the case when CFG loops
2920 (ira_build): Remove the parameter. Use explicit number of regions
2921 when CFG loops are not built.
2923 * ira-color.c (print_loop_title): Separate the case for the root node.
2924 Use loop_num instead of loop->num.
2925 (move_spill_restore): Use loop_num instead of loop->num.
2927 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2928 (change_loop): Ditto.
2929 (change_loop): Use loop_num instead of loop->num.
2931 * ira-lives.c (process_bb_node_lives): Ditto.
2933 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2935 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2937 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2940 * tree-mudflap.c (mf_artificial): New function.
2941 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2942 mx_register_decls, mudflap_enqueue_decl): Use it.
2945 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2946 numbers in the insn pattern.
2948 2012-01-19 Michael Matz <matz@suse.de>
2950 PR tree-optimization/46590
2951 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2952 use it in remembering which conflicts we already created.
2953 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2956 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2959 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2960 (merge_and_complain): Same.
2962 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2965 * config/initfini-array.h: Guard content of the header
2966 with #ifdef HAVE_INITFINI_ARRAY.
2967 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2968 Add initfini-array.h to tm_file here.
2969 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2970 * config.gcc: Don't add initfini-array.h to tm_file here.
2971 * configure: Regenerated.
2973 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2975 PR rtl-optimization/51505
2976 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2977 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2978 (df_note_bb_compute): Update the call to df_kill_notes.
2980 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2982 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2984 2012-01-18 Richard Guenther <rguenther@suse.de>
2986 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2987 of conversions to void *.
2989 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2990 Richard Sandiford <rdsandiford@googlemail.com>
2994 * optabs.h (simplify_expand_binop): Declare.
2995 * optabs.c (simplify_expand_binop): Make global.
2996 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2997 endian targets if the source cannot be exactly covered by word
3000 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3003 * hard-reg-set.h (struct hard_reg_set_container): New type.
3004 * target.h (struct hard_reg_set_container): Forward declare.
3005 * target.def (set_up_by_prologue): New target hook.
3006 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3007 * doc/tm.texi: Regenerated.
3008 * function.c (thread_prologue_and_epilogue_insns): Change
3009 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3010 Call targetm.set_up_by_prologue on it.
3011 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3012 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3014 2012-01-17 Nick Clifton <nickc@redhat.com>
3016 * config/rx/rx.c (rx_can_use_simple_return): New function.
3017 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3018 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3020 2012-01-17 Richard Guenther <rguenther@suse.de>
3023 * expr.c (expand_assignment): Take address-space information
3024 from the address operand of MEM_REF and TARGET_MEM_REF.
3025 (expand_expr_real_1): Likewise.
3027 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3029 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3030 reload dump is requested.
3032 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3035 * trans-mem.c (requires_barrier): Call may_be_aliased.
3037 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3039 PR tree-optimization/51877
3040 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3041 call arguments and fndecls compare equal, instead return false if they
3042 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3043 both SSA_NAMEs that are valueized the same, or they satisfy
3046 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3048 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3050 * configure: Regenerate.
3052 2012-01-16 Jan Hubicka <jh@suse.cz>
3056 * convert.c (convert_to_integer): Use fold_convert for
3057 converting an INTEGER_CST to integer type.
3059 2012-01-16 Jason Merrill <jason@redhat.com>
3062 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3064 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3067 * config/s390/s390.c (s390_chunkify_start): Don't skip
3068 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3069 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3070 If insn is followed by NOTE_INSN_VAR_LOCATION or
3071 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3072 Don't use location of note insns.
3074 PR tree-optimization/51865
3075 * tree-inline.c (tree_function_versioning): Call remap_decl
3076 on DECL_RESULT whenever it has VOID_TYPE_P type.
3078 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3080 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3081 for calls to locally-binding MIPS16 functions if only the return
3082 type uses float regs.
3084 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3085 Richard Sandiford <rdsandiford@googlemail.com>
3087 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3088 (SYMBOL_32_HIGH): Likewise.
3089 (mips_output_tls_reloc_directive): Declare.
3090 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3091 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3092 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3093 (mips_lo_relocs, mips_hi_relocs): Make extern.
3094 (mips16_stub_function): Move up file.
3095 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3096 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3097 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3098 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3099 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3100 (mips_get_tp): Add MIPS16 support.
3101 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3102 Generalize DTPREL and TPREL handling.
3103 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3104 Add MIPS16 TLS support.
3105 (mips_output_tls_reloc_directive): New function.
3106 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3107 * config/mips/predicates.md (symbolic_operand_with_high)
3108 (tls_reloc_operand): New predicates.
3109 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3110 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3111 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3112 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3113 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3114 (*tls_get_tp_mips16_call_<mode>): Likewise.
3116 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3118 PR rtl-optimization/51821
3119 * recog.c (peep2_find_free_register): Determine clobbered registers
3122 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3125 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3126 * config/avr/avr.c: Likewise.
3127 * config/avr/avr.h: Likewise.
3129 2012-01-13 Ian Lance Taylor <iant@google.com>
3132 * tree.h (TYPE_QUALS): Add cast to int.
3133 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3135 2012-01-13 Ian Lance Taylor <iant@google.com>
3137 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3138 comparing param_index to VEC_length result.
3140 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3142 * c-decl.c: Do not include tree-mudflap.h
3143 * tree-optimize.c: Likewise.
3144 * Makefile.in: Update dependencies.
3146 2012-01-13 Richard Guenther <rguenther@suse.de>
3149 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3150 variable-sized result always use RSO.
3152 2012-01-12 DJ Delorie <dj@redhat.com>
3154 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3155 pointer type, not just the default pointer type.
3157 2012-01-09 Richard Henderson <rth@redhat.com>
3158 Denis Chertykov <chertykov@gmail.com>
3161 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3162 * config/avr/avr.c (avr_can_eliminate): Simplify.
3163 (avr_initial_elimination_offset): Likewise.
3164 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3165 (expand_epilogue): Likewise.
3166 (avr_legitimize_address): Gut.
3167 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3168 (avr_hard_regno_nregs): New.
3169 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3170 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3171 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3172 add soft frame pointer.
3173 (CALL_USED_REGISTERS): Likewise.
3174 (REG_CLASS_CONTENTS): Likewise.
3175 (REGISTER_NAMES): Likewise.
3176 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3177 (HARD_FRAME_POINTER_REGNUM): New.
3178 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3179 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3180 remove the HARD_FRAME_POINTER self-elimination.
3182 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3185 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3186 DECL_EXTERNAL when checking for initializers of progmem variables.
3188 2012-01-12 Ira Rosen <irar@il.ibm.com>
3190 PR tree-optimization/51799
3191 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3192 that the last operation is a type demotion.
3194 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3196 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3197 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3199 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3202 * combine.c (distribute_notes): If i3 is a noreturn call,
3203 allow old_size to be equal to args_size and make sure the
3204 noreturn call gets REG_ARGS_SIZE note.
3205 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3206 on noreturn calls even when the delta is 0.
3208 2012-01-11 Nathan Sidwell <nathan@acm.org>
3210 * gcov.c (STRING_SIZE): Remove.
3211 (generate_results): Erase annotations for source files with no
3212 coverage information.
3214 (output_lines): Use it.
3216 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3218 * gimple.h (gimplify_body): Remove first argument.
3219 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3220 pointer set here, instead just pass DATA to walk_tree.
3221 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3222 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3223 (unvisit_body): Likewise, but with unmark_visited.
3224 (gimplify_body): Remove BODY_P argument and adjust.
3225 (gimplify_function_tree): Adjust call to gimplify_body.
3226 * omp-low.c (finalize_task_copyfn): Likewise.
3228 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3230 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3231 (build_function_type_skip_args): Delete.
3232 * tree.c (build_function_type_skip_args): Make static and add
3233 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3234 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3235 pass it to build_function_type_skip_args.
3236 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3237 (tree_function_versioning): Likewise.
3238 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3239 build_function_decl_skip_args.
3240 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3241 and pass it to build_function_decl_skip_args/tree_function_versioning.
3242 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3243 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3244 * trans-mem.c (ipa_tm_create_version): Likewise.
3245 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3246 * tree-inline.c (declare_return_variable): Remove always-true test.
3247 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3248 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3249 * ipa-split.c (split_function): Skip the return value for the split
3250 part if it doesn't return.
3252 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3254 PR tree-optimization/49642
3255 * ipa-split.c (forbidden_dominators): New variable.
3256 (check_forbidden_calls): New function.
3257 (dominated_by_forbidden): Likewise.
3258 (consider_split): Check for forbidden dominators.
3259 (execute_split_functions): Initialize and free forbidden
3260 dominators info; call check_forbidden_calls.
3262 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3264 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3266 2012-01-11 Nick Clifton <nickc@redhat.com>
3268 * config/rx/rx.md (return): Define pattern.
3270 2012-01-11 Richard Guenther <rguenther@suse.de>
3272 * doc/extend.texi (malloc attribute): Adjust according to
3275 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3276 Patrick Marlier <patrick.marlier@gmail.com>
3279 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3280 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3281 (ipa_tm_note_irrevocable): Same.
3282 (ipa_tm_scan_irr_block): Same.
3283 (ipa_tm_decrement_clone_counts): Same.
3284 (ipa_tm_scan_irr_function): Same.
3285 (ipa_tm_create_version_alias): Same.
3286 (ipa_tm_create_version): Same.
3287 (ipa_tm_transform_calls_redirect): Same.
3288 (ipa_tm_transform_calls): Same.
3289 (ipa_tm_transform_transaction): Same.
3290 (ipa_tm_execute): Same.
3292 2012-01-10 Richard Guenther <rguenther@suse.de>
3295 * opts.c (common_handle_option): Handle -Werror.
3297 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3299 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3302 2012-01-10 Jason Merrill <jason@redhat.com>
3304 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3307 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3309 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3310 supports R_386_TLS_GD_PLT reloc.
3311 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3312 supports R_386_TLS_LDM_PLT reloc.
3313 * configure: Regenerate.
3314 * config.in: Regenerate.
3316 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3319 Extend __pgmx semantics to linearize memory.
3320 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3321 determine if code comes inline or from libgcc.
3322 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3323 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3324 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3325 (movmemx_qi, movmemx_hi): New insns.
3326 (xload_<mode>_libgcc): Rewrite to new insn condition.
3327 (xload_<mode>): Remove insns.
3328 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3329 cases that don't satisfy avr_xload_libgcc_p().
3330 (avr_addr_space_convert): Allow converting in any direction.
3331 (avr_addr_space_subset_p): Return always true.
3332 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3333 (avr_emit_movmemhi): Ditto.
3334 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3335 (avr_out_movmem): Ditto.
3336 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3337 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3338 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3339 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3340 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3342 2012-01-10 Richard Guenther <rguenther@suse.de>
3344 PR tree-optimization/50913
3345 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3346 Require data-refs to be representable by Graphite with respect
3349 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3351 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3352 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3354 2012-01-10 Tom de Vries <tom@codesourcery.com>
3356 PR rtl-optimization/51271
3357 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3358 handling annulled branch.
3360 2012-01-10 Richard Henderson <rth@redhat.com>
3362 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3363 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3364 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3365 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3366 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3367 arm_expand_vec_perm_const): New.
3368 * config/arm/arm-protos.h: Update.
3369 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3370 (*neon_vswp<VDQX>): New.
3371 (neon_vcombine<VDX>): Use neon_split_vcombine.
3372 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3373 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3374 (vec_perm<VE>): New.
3376 2012-01-10 Richard Henderson <rth@redhat.com>
3378 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3379 use it if reload_completed.
3380 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3381 arm_output_asm_insn, arm_process_output_memory_barrier,
3382 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3383 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3384 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3385 arm_process_output_sync_insn, arm_output_sync_insn,
3386 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3387 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3388 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3389 (emit_unlikely_jump): New.
3390 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3391 (arm_split_atomic_op): New.
3392 * config/arm/arm-protos.h: Update.
3393 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3394 (struct arm_sync_generator): Remove.
3395 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3396 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3397 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3398 (VUNSPEC_LL, VUNSPEC_SC): New.
3399 (sync_result, sync_memory, sync_required_value, sync_new_value,
3400 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3401 (attr length): Don't use arm_sync_loop_insns.
3402 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3403 (movsfcc, movdfcc): Likewise.
3404 * config/arm/constraints.md (Ua): New.
3405 * config/arm/prediates.md (mem_noofs_operand): New.
3406 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3407 (sync_clobber, sync_t2_reqd): Remove.
3408 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3409 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3410 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3411 (arm_sync_compare_and_swap<SIDI>): Remove.
3412 (arm_sync_compare_and_swap<NARROW>): Remove.
3413 (arm_sync_lock_test_and_set<SIDI>): Remove.
3414 (arm_sync_lock_test_and_set<NARROW>): Remove.
3415 (arm_sync_new_<syncop><SIDI>): Remove.
3416 (arm_sync_new_<syncop><NARROW>): Remove.
3417 (arm_sync_new_nand<SIDI>): Remove.
3418 (arm_sync_new_nand<NARROW>): Remove.
3419 (arm_sync_old_<syncop><SIDI>): Remove.
3420 (arm_sync_old_<syncop><NARROW>): Remove.
3421 (arm_sync_old_nand<SIDI>): Remove.
3422 (arm_sync_old_nand<NARROW>): Remove.
3423 (*memory_barrier): Merge arm_output_memory_barrier.
3424 (atomic_compare_and_swap<QHSD>): New.
3425 (atomic_compare_and_swap<NARROW>_1): New.
3426 (atomic_compare_and_swap<SIDI>_1): New.
3427 (atomic_exchange<QHSD>): New.
3428 (cas_cmp_operand, cas_cmp_str): New.
3429 (atomic_op_operand, atomic_op_str): New.
3430 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3431 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3432 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3433 (arm_load_exclusive<NARROW>): New.
3434 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3435 (arm_store_exclusive<QHSD>): New.
3437 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3439 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3440 reload patterns if -mvsx-scalar-memory.
3442 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3443 generated, even -mno-vsx-scalar-double was used.
3444 (vsx_xscvdpsp_scalar): Likewise.
3445 (vsx_xscvspdp_scalar2): Likewise.
3447 2012-01-09 Tom de Vries <tom@codesourcery.com>
3448 Andrew Pinski <apinski@cavium.com>
3451 * reorg.c (fill_slots_from_thread): Don't speculate
3452 frame-related insns.
3454 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3456 * sched-int.h (bb_note): Move to...
3457 * basic-block.h: ...here.
3458 * haifa-sched.c (bb_note): Move to...
3459 * cfgrtl.c: ...here.
3460 * function.c (next_block_for_reg): New function.
3461 (move_insn_for_shrink_wrap): Likewise.
3462 (prepare_shrink_wrap): Rewrite to use the above.
3464 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3466 * gimple.c (is_gimple_non_addressable): Remove.
3467 * gimple.h: Remove is_gimple_non_addressable.
3468 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3469 is_gimple_non_addressable.
3470 * trans-mem.c (expand_assign_tm): Same.
3472 2012-01-09 Richard Guenther <rguenther@suse.de>
3474 PR tree-optimization/51775
3475 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3476 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3478 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3480 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3482 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3484 2012-01-09 Richard Guenther <rguenther@suse.de>
3486 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3488 2012-01-08 Jan Hubicka <jh@suse.cz>
3490 PR tree-optimize/51680
3491 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3492 on when known_vals needs to be computed; cleanup.
3494 2012-01-08 Jan Hubicka <jh@suse.cz>
3496 PR tree-optimize/51694
3497 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3499 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3501 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3502 for -std=c++98 and -std=c++11 too.
3504 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3506 * cfgloop.c (cancel_loop): Add free() of bbs array.
3508 2012-01-07 Jan Hubicka <jh@suse.cz>
3510 PR tree-optimization/51600
3511 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3512 that benefits small functions.
3514 2012-01-07 Jan Hubicka <jh@suse.cz>
3516 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3518 2012-01-07 Jan Hubicka <jh@suse.cz>
3520 PR tree-optimization/51680
3521 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3522 whose inlining reduce unit size.
3524 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3527 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3528 Add canonical node to containing_mem chain after the non-canonical
3529 one, even if there weren't any locs to propagate.
3530 (remove_useless_values): Keep only canonical values.
3531 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3532 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3533 canonicalize mem_chain elements that are not discarded.
3535 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3538 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3539 before emitting functions.
3541 PR gcov-profile/50127
3542 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3543 clear_aux_for_blocks.
3545 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3548 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3550 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3552 * c-decl.c (ext_block): Moved up.
3553 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3555 2012-01-06 Han Shen <shenhan@google.com>
3557 Translate built-in include paths for sysroot.
3558 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3559 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3561 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3562 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3564 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3565 control whether sysroot should be prepended to gxx include dir.
3567 * configure: Regenerate.
3569 2012-01-06 Torvald Riegel <triegel@redhat.com>
3571 PR rtl-optimization/51771
3572 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3573 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3575 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3577 PR tree-optimization/51315
3578 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3579 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3581 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3584 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3585 for shrp pattern. Correctly handle and fixup shift variable.
3586 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3588 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3591 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3592 note when !ACCUMULATE_OUTGOING_ARGS.
3594 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3596 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3598 (extract_range_from_unary_expr_1): Avoid useless computations.
3600 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3602 PR rtl-optimization/51767
3603 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3604 of jump_block and add an extra edge for degenerated asm gotos.
3607 * stmt.c (check_unique_operand_names): Don't ICE during error
3608 reporting if i is from labels chain.
3611 * profile.c (branch_prob): Split bbs that have exit edge
3612 and need a fake entry edge too.
3614 2012-01-05 Jan Hubicka <jh@suse.cz>
3617 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3620 2012-01-05 Richard Guenther <rguenther@suse.de>
3623 * tree-streamer-out.c (write_ts_optimization): New function.
3624 (streamer_write_tree_body): Call it.
3625 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3626 (streamer_read_tree_body): Call it.
3627 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3629 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3632 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3633 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3634 in_cleanup_point_expr before gimplify_stmt call and restore it
3636 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3637 in_cleanup_point_expr is false.
3639 2012-01-05 Richard Guenther <rguenther@suse.de>
3642 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3644 * toplev.c (process_options): Reject combining mudflap and LTO.
3645 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3647 2012-01-05 Richard Guenther <rguenther@suse.de>
3649 PR tree-optimization/51760
3650 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3652 (bit_value_unop): Handle UNDEFINED operands.
3653 (bit_value_binop): Likewise.
3655 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3657 * config/avr/avr.c (avr_replace_prefix): Remove.
3658 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3659 (avr_asm_function_rodata_section): Ditto.
3660 (avr_asm_select_section): Ditto.
3662 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3664 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3667 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3670 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3671 calls that have any non-fake successor edges.
3674 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3676 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3678 PR tree-optimization/51624
3679 * tree-sra.c (build_ref_for_model): When replicating a chain of
3680 COMPONENT_REFs, stop as soon as the offset would become negative.
3682 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3685 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3686 in .debug_loc on the floor.
3688 2012-01-04 Andrew Pinski <apinski@cavium.com>
3690 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3692 2012-01-04 Andrew Pinski <apinski@cavium.com>
3693 Adam Nemet <anemet@caviumnetworks.com>
3695 * config/mips/mips.md (size): Add SI and DI.
3696 (SIZE): New mode attribute.
3697 (U): New code attribute.
3698 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3699 (mips_lbux_<mode>): Delete.
3700 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3701 (mips_lhx): Use gen_mips_lhx_extsi.
3702 (mips_lhx_<mode>): Delete.
3704 (mips_l<size>x): New expand.
3705 (mips_lwx_<mode>): Delete.
3706 (mips_l<GPR:size>x_<P:mode>): New pattern.
3707 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3708 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3709 * config/mips/mips.c (mips_lx_address_p): New function.
3710 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3711 (dsp64): New availability predicate.
3712 (mips_builtins): Add an entry for __builtin_mips_ldx.
3713 * config/mips/mips.h (ISA_HAS_LBX): New define.
3714 (ISA_HAS_LBUX): Likewise.
3715 (ISA_HAS_LHX): Likewise.
3716 (ISA_HAS_LHUX): Likewise.
3717 (ISA_HAS_LWX): Likewise.
3718 (ISA_HAS_LWUX): Likewise.
3719 (ISA_HAS_LDX): Likewise.
3720 * doc/extend.texi (__builtin_mips_ldx): Document.
3722 2012-01-04 Tristan Gingold <gingold@adacore.com>
3724 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3725 when long pointers are used.
3726 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3727 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3728 (ia64-hp-*vms*): Remove.
3729 * config/vms/xm-vms64.h: Delete.
3731 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3734 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3736 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3738 * opts.c (finish_options): Remove duplicate sorry.
3740 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3743 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3746 2012-01-04 Richard Guenther <rguenther@suse.de>
3749 * tree.c (size_low_cst): New function.
3750 * tree.h (size_low_cst): Declare.
3751 * fold-const.c (fold_comparison): Use it to extract the low
3752 part of the POINTER_PLUS_EXPR offset.
3754 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3756 Fix clearing ZERO_REG
3757 * config/avr/avr.md (cc): Add alternative "ldi".
3758 (movqi_insn): Use it in cc attribute.
3759 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3760 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3761 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3763 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3765 * configure: Regenerate.
3767 2012-01-04 Richard Guenther <rguenther@suse.de>
3769 PR tree-optimization/49651
3770 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3771 (var_can_have_subvars): Use it.
3772 (get_constraint_for_1): Only consider subfields if there can be any.
3774 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3777 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3778 to its new canonical_cselib_val and the cselib_val was in
3779 first_containing_mem chain, but the canonical_cselib_val was not,
3780 add the latter into the chain.
3781 (cselib_invalidate_mem): Compare canonical_cselib_val of
3782 addr_list chain elt with v.
3785 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3786 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3788 (output_macinfo_op): Don't ggc_strdup fd->filename.
3789 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3790 then ggc_strdup it. Don't free inc->info or cur->info.
3791 (output_macinfo): Don't free ref->info or file->info.
3793 2012-01-03 Ira Rosen <irar@il.ibm.com>
3795 PR tree-optimization/51269
3796 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3797 first_niters a pointer.
3798 (slpeel_tree_peel_loop_to_edge): Likewise.
3799 (vect_do_peeling_for_loop_bound): Update call to
3800 slpeel_tree_peel_loop_to_edge.
3801 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3802 here. Remove it from the parameters list.
3803 (vect_do_peeling_for_alignment): Update calls and compute
3806 2012-01-03 Richard Guenther <rguenther@suse.de>
3808 PR tree-optimization/51070
3809 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3810 Properly handle calls.
3812 2012-01-03 Richard Guenther <rguenther@suse.de>
3814 PR tree-optimization/51692
3815 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3816 the LHS of allocation stmts.
3818 2012-01-03 Olivier Hainque <hainque@adacore.com>
3820 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3822 2012-01-03 Olivier Hainque <hainque@adacore.com>
3824 * collect2.c (main): In AIX specific computations for vector
3825 insertions, use CONST_CAST2 to cast from char ** to const char **.
3827 2012-01-03 Richard Guenther <rguenther@suse.de>
3830 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3831 the context of a limbo DIE when it does not already exist.
3833 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3835 PR tree-optimization/51719
3836 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3837 but direct call is, clear direct call's lhs and don't add fallthrough
3838 edge from dcall_bb to join_bb and PHIs.
3840 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3842 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3843 the instructions emitted by the pattern.
3844 ("*TDC_insn_<mode>"): Add comment.
3846 2012-01-03 Richard Guenther <rguenther@suse.de>
3849 * fold-const.c (fold_comparison): Properly canonicalize
3850 tree offset and HOST_WIDE_INT bit position.
3852 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3854 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3855 operands for extzv pattern.
3857 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3860 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3863 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3865 * doc/invoke.texi (-flto and related options): Copy-edit.
3867 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3869 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3871 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3873 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3876 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3878 * expr.h (move_by_pieces_ninsns): Declare.
3879 * expr.c (move_by_pieces_ninsns): Make external.
3880 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3881 (mips_store_by_pieces_p): Likewise.
3882 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3883 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3884 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3885 (mips_store_by_pieces_p): Likewise.
3887 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3889 * passes.c (register_one_dump_file): Free full_name.
3891 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3892 (calculate_elim_costs_all_insns): Free offsets_at and
3893 offsets_known_at at the end and clear the pointers.
3895 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3897 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3898 this option introduced in r180739.
3900 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3903 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3904 (tmake_file target=avr): Add avr/t-multilib.
3906 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3907 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3908 * config/avr/genmultilib.awk: New file.
3909 * config/avr/t-multilib: New auto-generated file.
3910 * config/avr/multilib.h: New auto-generated file.
3911 * config/avr/t-avr (AVR_MCUS): New variable.
3912 (genopt.sh): Use it.
3913 (s-mlib): Depend on t-multilib.
3914 (t-multilib, multilib.h): New dependencies.
3915 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3916 (MULTILIB_OPTIONS): Remove.
3917 (MULTILIB_MATCHES): Remove.
3918 (MULTILIB_DIRNAMES): Remove.
3919 (MULTILIB_EXCEPTIONS): Remove:
3920 * config/avr/genopt.sh: Don't use hard coded file name;
3921 pass AVR_MCUS from t-avr instead.
3923 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3925 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3927 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3929 Implement light-weight DImode support.
3930 * config/avr/avr-dimode.md: New file.
3931 * config/avr/avr.md: Include it.
3932 (adjust_len): Add plus64, compare64.
3933 (HIDI): Remove code iterator.
3934 (code_stdname): New code attribute.
3935 (rotx, rotsmode): Remove DI.
3936 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3938 * config/avr/avr-protos.h (avr_have_dimode): New.
3939 (avr_out_plus64, avr_out_compare64): New.
3940 * config/avr/avr.c (avr_out_compare): Handle DImode.
3941 (avr_have_dimode): New variable definition and initialization.
3942 (avr_out_compare64, avr_out_plus64): New functions.
3943 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3944 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3945 (avr_compare_pattern): Skip DImode comparisons.
3947 2012-01-02 Revital Eres <revital.eres@linaro.org>
3949 * ddg.c (def_has_ccmode_p): New function.
3950 (add_cross_iteration_register_deps,
3951 create_ddg_dep_from_intra_loop_link): Call it.
3953 2012-01-02 Richard Guenther <rguenther@suse.de>
3956 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3958 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3960 * gcc.c (process_command): Update copyright notice dates.
3961 * gcov.c (print_version): Likewise.
3962 * gcov-dump.c (print_version): Likewise.
3963 * mips-tfile.c (main): Likewise.
3964 * mips-tdump.c (main): Likewise.
3966 2012-01-01 Ira Rosen <irar@il.ibm.com>
3968 PR tree-optimization/51704
3969 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3970 a use is inside the basic block or loop before accessing its vect info.
3972 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3974 PR rtl-optimization/51069
3975 * cfgloopmanip.c (remove_path): Removing path making irreducible
3976 region unconditional makes BB part of the region.
3978 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3980 PR tree-optimization/51683
3981 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3982 calls with side-effects.
3983 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3985 Copyright (C) 2012 Free Software Foundation, Inc.
3987 Copying and distribution of this file, with or without modification,
3988 are permitted in any medium without royalty provided the copyright
3989 notice and this notice are preserved.