1 2012-04-16 Martin Jambor <mjambor@suse.cz>
3 Backported from mainline
5 2012-04-13 Martin Jambor <mjambor@suse.cz>
8 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
9 fold_ctor_reference returns a zero constant.
11 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
13 Backported from mainline
14 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
16 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
17 and __ILP32__ for x32.
19 2012-04-13 Tom de Vries <tom@codesourcery.com>
21 Backport from mainline r186418.
23 2012-04-13 Tom de Vries <tom@codesourcery.com>
25 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
26 parameters vuse and vuse_escaped.
27 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
28 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
31 2012-04-13 Richard Guenther <rguenther@suse.de>
33 PR tree-optimization/52969
34 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
35 the condition for the COND_EXPR and handle predicate negation
36 by swapping the COND_EXPR arms.
38 2012-04-13 Richard Guenther <rguenther@suse.de>
41 * convert.c (convert_to_pointer): Remove special-casing of
44 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
46 Backport from mainline
47 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
50 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
51 the list of options to enable the FCFID instruction.
52 (TARGET_EXTRA_BUILTINS): Adjust comment.
54 2012-04-12 Richard Guenther <rguenther@suse.de>
56 PR tree-optimization/52943
57 * tree-chrec.h (chrec_is_positive): Remove.
58 * tree-scalar-evolution.c (chrec_is_positive): Move ...
59 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
60 Return false for a constant zero instead of negative.
61 (analyze_siv_subscript_cst_affine): Handle zero difference
62 in the initial condition explicitely.
64 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
67 * varasm.c (process_pending_assemble_externals): Set
68 pending_assemble_externals_processed true.
69 (assemble_external): Call assemble_external_real if the pending
70 assemble externals have been processed.
72 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
75 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
76 the DECL generated for the special GOT helper.
78 2012-04-06 Walter Lee <walt@tilera.com>
80 Backport from mainline
81 2012-03-07 Walter Lee <walt@tilera.com>
83 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
84 REG_CFA_* notes for the stack pointer.
85 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
86 EH_RETURN_STACKADJ_RTX.
87 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
88 generate REG_CFA_* notes for the stack pointer.
89 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
90 by EH_RETURN_STACKADJ_RTX.
92 2012-04-06 Matt Turner <mattst88@gmail.com>
94 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
96 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
98 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
99 of the destination isn't also a FP_REGS register.
101 2012-04-03 Richard Guenther <rguenther@suse.de>
103 Backport from mainline
104 2012-03-02 Richard Guenther <rguenther@suse.de>
106 PR tree-optimization/52406
107 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
108 (struct indices): Add unconstrained_base member.
109 (struct dr_alias): Remove unused vops member.
110 (DR_UNCONSTRAINED_BASE): New define.
111 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
112 add indices to allow their disambiguation. Make DR_BASE_OBJECT
113 be an artificial access that covers the whole indexed object,
114 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
115 plain decl base-objects to their MEM_REF variant.
116 (dr_may_alias_p): When the base-object of either data reference
117 has unknown size use only points-to information.
118 (compute_affine_dependence): Make dumps easier to read and
120 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
121 DR_REF when looking for packed references.
122 (vect_supportable_dr_alignment): Likewise.
124 2012-04-03 Richard Guenther <rguenther@suse.de>
126 Backport from mainline
127 2012-03-15 Richard Guenther <rguenther@suse.de>
130 * tree-data-ref.c (subscript_dependence_tester_1): Check
131 all dimensions for non-conflicting access functions.
133 2012-04-03 Richard Guenther <rguenther@suse.de>
135 Backport from mainline
136 2012-03-06 Richard Guenther <rguenther@suse.de>
139 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
141 2012-03-23 Richard Guenther <rguenther@suse.de>
143 PR tree-optimization/52678
144 * tree-vectorizer.h (struct _stmt_vec_info): Add
145 loop_phi_evolution_part member.
146 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
147 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
148 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
149 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
150 Use the cached evolution part and the PHI nodes value from
151 the loop preheader edge instead of re-analyzing the evolution.
153 2012-03-26 Richard Guenther <rguenther@suse.de>
155 PR tree-optimization/52701
156 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
157 compute and set the evolution part of PHI nodes.
159 2012-03-30 Richard Guenther <rguenther@suse.de>
161 PR tree-optimization/52754
162 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
163 propagate arbitrary addresses into really plain dereferences.
165 2012-04-03 Jakub Jelinek <jakub@redhat.com>
167 PR tree-optimization/52835
168 * tree-data-ref.c (build_rdg): Return NULL if
169 compute_data_dependences_for_loop failed.
171 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
173 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
174 (stmt_can_make_abnormal_goto): Use it.
175 (is_ctrl_altering_stmt): Likewise.
177 2012-03-31 Martin Jambor <mjambor@suse.cz>
179 Backported from mainline
180 2012-03-30 Martin Jambor <mjambor@suse.cz>
182 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
183 is a builtin_stack_save in a dominating BB.
185 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
187 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
188 crossing 128bit lane boundary.
190 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
192 Backported from mainline
193 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
196 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
198 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
199 * config/i386/i386.c: Include reload.h.
200 (ix86_legitimize_reload_address): New function.
202 2012-03-28 Martin Jambor <mjambor@suse.cz>
204 Backported from mainline
205 2012-03-27 Martin Jambor <mjambor@suse.cz>
208 * tree-sra.c (sra_modify_assign): Do not call
209 load_assign_lhs_subreplacements when working with an unscalarizable
212 2012-03-28 Jakub Jelinek <jakub@redhat.com>
215 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
216 __builtin_va_start to __builtin_next_arg if the latter is
217 builtin_decl_explicit_p rather than when it is not.
220 * tree-vect-generic.c (vector_element): Perform multiplication
221 for pos in bitsizetype type instead of idx type.
223 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
225 Backport from 2012-03-28 mainline r185910.
228 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
229 (avr_builtin_decl): New static function.
230 (struct avr_builtin_description, avr_bdesc): Move up.
231 Add GTY marker. Add field fndecl. Remove redundant field id.
232 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
233 (avr_expand_builtin): Code cleanup because .id is removed.
235 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
238 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
241 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
243 Backport from 2012-03-28 mainline r185907.
246 * config.gcc (tm_file): Remove avr/multilib.h.
248 * doc/invoke.texi (AVR Options): Adjust
249 documentation of -mtiny-stack.
251 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
252 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
253 * config/avr/t-avr: Remove generation of multilib.h.
254 * config/avr/t-multilib: Regenerate.
255 * config/avr/multilib.h: Remove.
256 * config/avr/avr.opt (-msp8): New option.
257 (avr_sp8): New variable.
258 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
259 * config/avr/avr.h (AVR_HAVE_SPH): New define.
260 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
261 (avr_device_to_sp8): New prototype.
262 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
263 (DRIVER_SELF_SPECS): New define.
264 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
265 __AVR_SP8__, __AVR_HAVE_SPH__.
266 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
267 AVR_HAVE_8BIT_SP to decide if SP_H is present.
268 (avr_file_start): Ditto.
270 2012-03-28 Jakub Jelinek <jakub@redhat.com>
273 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
274 instead of 8 in adjust_address.
276 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
278 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
279 of a unit before computing the offset in units.
281 2012-03-27 Richard Guenther <rguenther@suse.de>
284 * fold-const.c (try_move_mult_to_index): Handle &x.array more
287 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
290 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
292 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
295 * varasm.c: Include pointer-set.h.
296 (pending_assemble_externals_set): New pointer set.
297 (process_pending_assemble_externals): Destroy the pointer set.
298 (assemble_external): See if decl is in pending_assemble_externals_set,
299 and add it to pending_assemble_externals if necessary.
300 (init_varasm_once): Allocate pending_assemble_externals_set.
302 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
304 Backported from mainline
305 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
308 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
309 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
310 (vector_ltgt<mode>): Likewise.
311 (vector_ordered<mode>): Likewise.
312 (vector_unordered<mode>): Likewise.
313 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
315 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
317 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
320 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
322 Backported from mainline
323 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
327 * config/sh/sh.c (sh_register_move_cost): Increase cost between
328 GENERAL_REGS and FP_REGS for SImode.
330 2012-03-22 Jakub Jelinek <jakub@redhat.com>
333 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
334 on any new_local_var_chain vars declared during recursing on
335 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
337 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
339 Backport from 2012-03-22 mainline r185692.
342 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
343 (unspecv): Add UNSPECV_MEMORY_BARRIER.
344 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
345 (delay_cycles_1, delay_cycles_2): Ditto.
346 (delay_cycles_3, delay_cycles_4): Ditto.
347 (nopv, *nopv): Ditto.
348 (sleep, *sleep): Ditto.
351 Backport from 2012-03-21 mainline r185605.
353 PR rtl-optimization/52543
355 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
356 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
357 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
358 (avr_load_libgcc_p): Restrict to __flash loads.
359 (avr_out_lpm): Only handle 1-byte loads from __flash.
360 (avr_load_lpm): New function.
361 (avr_find_unused_d_reg): Remove.
362 (avr_out_lpm_no_lpmx): Remove.
363 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
364 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
365 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
366 (load_<mode>, load_<mode>_clobber): New insns.
367 (mov<mode>): For multi-byte move from non-generic
368 16-bit address spaces: Expand to load_<mode> resp.
370 (load<mode>_libgcc): Remove expander.
371 (split-lpmx): Remove split.
373 Backport from 2012-03-13 mainline r185329.
376 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
377 offset (size) to a value the insns can deal with.
378 (expand_epilogue): Ditto.
380 Backport from 2012-03-12 mainline r185256.
383 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
384 type from reg_class_t to enum reg_class.
385 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
387 Backport from 2012-03-12 mainline r185253.
390 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
391 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
392 r184615 from 2012-02-28.
394 Backport from 2012-03-08 mainline r185105.
396 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
397 for constants in [-63,63].
399 Backport from 2012-03-08 mainline r185100.
402 * config/avr/avr.c (avr_mem_clobber): New static function.
403 (avr_expand_delay_cycles): Add memory clobber operand to
404 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
405 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
406 (enable_interrupt, disable_interrupt): New expander.
407 (nopv, sleep, wdr): New expanders.
408 (delay_cycles_1): Add memory clobber.
409 (delay_cycles_2): Add memory clobber.
410 (delay_cycles_3): Add memory clobber.
411 (delay_cycles_4): Add memory clobber.
412 (cli_sei): New insn from former "enable_interrupt",
413 "disable_interrupt" with memory clobber.
414 (*wdt): New insn from former "wdt" with memory clobber.
415 (*nopv): Similar, but for "nopv".
416 (*sleep): Similar, but for "sleep".
418 Backport from 2012-03-07 mainline r185043.
421 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
423 Backport from 2012-03-07 mainline r185032.
426 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
427 to: RAMPZ, RAMPY, RAMPX, RAMPD.
428 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
430 Backport from 2012-03-07 mainline r185031.
433 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
435 * config/avr/avr.md (xload_8): Adjust insn length.
437 Backport from 2012-03-07 mainline r185030.
440 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
441 if RAMPZ affects reading from RAM.
443 Backport from 2012-03-05 mainline r184919.
445 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
447 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
449 Backport from mainline r185259.
452 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
453 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
455 2012-03-22 Jakub Jelinek <jakub@redhat.com>
457 Backported from mainline
458 2012-03-13 Jakub Jelinek <jakub@redhat.com>
461 * c-parser.c (c_parser_postfix_expression)
462 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
464 * config/i386/smmintrin.h: Avoid /* within a comment.
465 * config/i386/nmmintrin.h: Likewise.
467 2012-03-22 Richard Guenther <rguenther@suse.de>
469 * BASE-VER: Set to 4.7.1.
470 * DEV-PHASE: Set to prerelease.
472 2012-03-22 Release Manager
474 * GCC 4.7.0 released.
476 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
478 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
480 2012-03-15 Jakub Jelinek <jakub@redhat.com>
481 Andrew Pinski <apinski@cavium.com>
484 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
485 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
486 calls instead of __builtin_ir{int,ound}*.
488 2012-03-14 Jakub Jelinek <jakub@redhat.com>
491 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
494 2012-03-13 Joseph Myers <joseph@codesourcery.com>
496 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
497 Refer to GCC 4.7 version of c99status.html.
499 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
501 Backport from mainline
502 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
504 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
505 redefine to be NULL if the current bit-size is different from the
508 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
509 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
510 set the default tuning. Add asserts to make sure the cpu and tune
511 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
512 test whether the index is set, instead of > 0.
513 (rs6000_file_start): Do not reset the default cpu if the current
514 bit-size is different from the configured bit-size.
516 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
518 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
520 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
521 Update binutils references.
522 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
523 Update binutils reference.
524 Update Sun as/GNU ld caveat.
525 Document binutils largefile requirement for LTO plugin.
526 Remove reference to alternate libpthread.
528 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
530 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
532 (Specific, mips-sgi-irix6): Likewise.
534 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
536 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
537 * configure: Regenerate.
539 2012-03-07 Richard Henderson <rth@redhat.com>
541 * config/m68k/m68k.h (ISA_HAS_TAS): New.
542 * config/m68k/sync.md (atomic_test_and_set): Use it.
543 (atomic_test_and_set_1): Likewise.
545 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
548 * Makefile.in: Let install-gcc-ar depend on installdirs,
549 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
550 Don't double canonicalize if cross-compiling.
552 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
554 * trans-mem.c: New typedef for tm_region_p.
555 Define vector types for tm_region_p.
556 (tm_region_init): Replace region_worklist to a vector called
559 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
562 * trans-mem.c (tm_region_init): Use last_basic_block.
564 2012-03-05 Richard Henderson <rth@redhat.com>
567 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
568 * omp-low.c (expand_omp_atomic): Assume anything aligned to
569 BIGGEST_ALIGNMENT is aligned.
571 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
573 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
575 2012-03-05 Richard Henderson <rth@redhat.com>
578 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
579 instead of calling negqi2 directly.
581 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
583 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
584 (INTMAX_TYPE): Use it.
585 (UINTMAX_TYPE): Likewise.
586 (SUBTARGET_OVERRIDE_OPTIONS): Define.
587 (irix6_c_common_override_options): Declare.
588 (C_COMMON_OVERRIDE_OPTIONS): Define.
589 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
590 * config/mips/irix6-c.c: New file.
591 * config/mips/t-irix6 (irix6-c.o): New target.
592 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
595 2012-03-02 Richard Henderson <rth@redhat.com>
597 * optabs.c (expand_atomic_test_and_set): Honor
598 atomic_test_and_set_trueval even when atomic_test_and_set
601 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
603 Backport from mainline
604 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
606 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
608 2012-03-02 Richard Guenther <rguenther@suse.de>
610 * DEV-PHASE: Set to prerelease.
612 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
614 * config.gcc (obsolete): Add all ARM targets using the FPA.
615 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
616 * doc/install.texi: Avoid references to obsolete ARM ports.
618 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
620 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
622 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
623 Joern Rennecke <joern.rennecke@embecosm.com>
625 * doc/extend.texi: Expand and update information on interrupt
626 attribute for Epiphany.
628 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
630 * config/sh/sh-protos.h: Update copyright notice dates.
631 * config/sh/sh.h: Likewise.
632 * config/sh/sh.md: Likewise.
633 * config/sh/constraints.md: Likewise.
634 * config/sh/predicates.md: Likewise.
636 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
638 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
639 * config/sh/sh.c (tertiary_reload_operand): Likewise.
641 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
643 * config/sh/constraints.md: Fix comment typo.
645 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
648 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
649 unsigned HOST_WIDE_INT.
650 (zvdep_imm64): Likewise.
651 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
652 (vdepi_and): Likewise.
653 Likewise for unamed 64-bit patterns.
654 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
656 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
659 PR rtl-optimization/52417
660 * cselib.c (cselib_any_perm_equivs): New variable.
661 (cselib_reset_table): Check that it's not set when not
662 preserving constants.
663 (cselib_add_permanent_equiv): Set it.
664 (cselib_have_permanent_equivalences): New.
665 (cselib_init, cselib_finish): Reset it.
666 * cselib.h (cselib_have_permanent_equivalences): Declare.
667 * alias.c (get_addr): Restore earlier behavior when there
668 aren't permanent equivalences.
670 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
672 * config/mn10300/mn10300-modes.def: Fix copyright notice.
673 * config/v850/v850-modes.def: Fix copyright notice.
675 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
677 * doc/extend.texi (AVR Built-in Functions): Document
678 __builtin_avr_flash_segment.
680 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
681 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
682 (*split.flash_segment): New insn-and-split.
683 * config/avr/avr.c (avr_init_builtins): Add local variables:
684 const_memx_void_node, const_memx_ptr_type_node,
685 char_ftype_const_memx_ptr.
687 2012-03-01 Jakub Jelinek <jakub@redhat.com>
689 PR tree-optimization/52445
690 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
691 add ssa_name_ver, offset and size fields and change store field
693 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
694 (add_or_mark_expr): Likewise. Only consider previous stores
695 with the same size and offset.
696 (nt_init_block): Only look at gimple_assign_single_p stmts,
697 doesn't look at rhs2.
699 2012-03-01 Richard Guenther <rguenther@suse.de>
702 * tree-cfg.c (verify_gimple_assign_unary): Allow any
703 conversions from integral types to pointer types.
705 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
707 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
708 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
709 unintentionally removed in r184616.
711 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
713 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
716 2012-02-29 Jakub Jelinek <jakub@redhat.com>
717 Uros Bizjak <ubizjak@gmail.com>
720 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
721 alternatives, add "e" constraint to the new last alternative
722 and ! to last 3 alternatives.
724 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
726 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
727 DW_AT_artificial attributes at the end of the processing.
728 (gen_array_type_die): Likewise.
729 (gen_enumeration_type_die): Likewise.
730 (gen_struct_or_union_type_die): Likewise.
731 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
734 2012-02-29 Jakub Jelinek <jakub@redhat.com>
737 * expr.c (expand_assignment): If doing misaligned store that doesn't
738 cover all mode bits, perform a RMW cycle.
740 PR tree-optimization/52429
741 * tree-parloops.c (separate_decls_in_region_debug): Return early
742 if var is LABEL_DECL.
744 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
746 PR tree-optimization/52424
747 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
748 calling dom_thread_across_edge.
750 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
752 * config/avr/avr.c: Move definition of TARGET macros to end of file.
754 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
756 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
757 * config/avr/avr.c (avr_output_bld): Remove unused function.
758 (avr_out_sbxx_branch): Use "%T" to print bit position.
760 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
762 * config/avr/avr.md: Untabify.
764 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
766 * config/avr/avr.md (eqne): New code iterator.
767 (*dec-and-branchsi): Use it in text peephole's condition.
768 (*dec-and-branchhi): Ditto.
769 (*dec-and-branchqi): Ditto.
771 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
774 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
775 the device does not have the skip-bug.
777 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
779 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
780 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
781 -mpretend-cmove): New.
783 2012-02-29 Jakub Jelinek <jakub@redhat.com>
786 * df.h (struct df_d): Adjust comment that hard_regs_live_count
787 doesn't count DEBUG_INSN refs.
788 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
791 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
795 2012-02-20 Richard Guenther <rguenther@suse.de>
796 PR tree-optimization/52298
797 * tree-vect-stmts.c (vectorizable_load): Properly use
798 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
801 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
804 * gimple.h (gimple_in_transaction): New.
805 (gimple_set_in_transaction): New.
806 (struct gimple_statement_base): Add in_transaction field.
807 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
809 (tree_ssa_lim_initialize): Compute transaction bits.
810 * tree.h (compute_transaction_bits): Protoize.
811 * trans-mem.c (tm_region_init): Use the heap to store BB
813 (compute_transaction_bits): New.
815 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
817 * gcc.c (display_help): Document --help=common and sort entries
820 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
822 * doc/install.texi: Document check-$LANG specific shortcuts
824 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
827 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
829 * config/arm/arm_neon.h: Regenerate.
830 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
831 (neon_vcgeu): New insn.
832 (neon_vcgtu): Likewise.
833 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
834 (ops): Unsigned comparison intrinsics call a different
837 2012-02-28 Richard Guenther <rguenther@suse.de>
840 * config/i386/i386.c (ix86_expand_vector_set): Fix element
841 ordering for the VEC_CONCAT for two element vectors for
842 V2SFmode, V2SImode and V2DImode.
844 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
847 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
848 detecting big-endian triplets.
850 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
852 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
853 mode if there is no type information available.
855 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
857 PR tree-optimization/53207
858 * doc/invoke.texi: Document as experimental and relying on graphite.
860 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
862 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
863 of initializer to changes from r184614.
865 2012-02-28 Richard Guenther <rguenther@suse.de>
867 PR tree-optimization/52395
868 * tree-sra.c (build_ref_for_offset): Also look at the base
869 TYPE_ALIGN when figuring out the alignment of the replacement.
871 2012-02-28 Richard Guenther <rguenther@suse.de>
873 PR tree-optimization/52402
874 * ipa-prop.c (ipa_modify_call_arguments): Properly use
875 mis-aligned types when creating the accesses at the call site.
877 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
879 * config/avr/builtins.def: New file.
880 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
881 * config/avr/avr.c (enum avr_builtin_id): Use it.
882 (avr_init_builtins): Use it. And use avr_bdesc.
883 (bdesc_1arg): Remove.
884 (bdesc_2arg): Remove.
885 (bdesc_3arg): Remove.
886 (struct avr_builtin_description): Add field n_args.
887 (avr_bdesc): New static variable using builtins.def.
888 (avr_expand_builtin): Use it.
889 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
890 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
891 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
893 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
896 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
897 match only one single hard register with respective hard reg rtx.
898 (movmemx_<mode>): Ditto.
899 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
900 insn anatomy of movmem[x]_<mode>.
901 (avr_out_movmem): Same for printing assembler and operand usage.
903 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
907 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
908 address spaces located outside of device flash.
910 * config/avr/avr.h (base_arch_s): Remove field n_segments.
911 (mcu_type_s): Add field n_flash.
912 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
913 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
914 (AVR_MCU): Add N_FLASH argument.
915 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
916 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
917 macro __FLASH<n> if that address space makes sense for the device.
918 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
919 outside of target flash.
920 (avr_asm_named_section): Ditto.
921 (avr_asm_select_section): Ditto.
922 (avr_addr_space_convert): Ditto.
923 (avr_emit_movmemhi): Ditto.
924 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
925 address space is outside of device flash.
926 (avr_insert_attributes): Ditto.
927 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
928 avr_current_arch->n_segments.
930 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
933 * config/i386/i386.md (*movabs<mode>_1): Enable only for
935 (*movabs<mode>_2): Likewise.
937 2012-02-27 Jakub Jelinek <jakub@redhat.com>
940 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
941 s_register_operand in the test instead of REG_P. Don't call
942 gen_reg_rtx if it won't be used.
944 PR tree-optimization/52376
945 * ipa-split.c (split_function): Ignore CLOBBER stmts.
947 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
949 * ifcvt.c (noce_get_condition): Check condition variable is not
950 small_register_classes_for_mode_p before accepting.
952 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
954 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
956 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
959 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
960 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
962 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
964 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
966 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
968 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
970 * config/sh/predicates.md: Remove blank lines.
971 * config/sh/sh.c: Fix typos in comments.
972 * config/sh/constraints.md: Likewise.
973 * config/sh/sh.md: Remove blank lines.
974 Fix typos in comments. Use ;; as comment characters.
976 2012-02-26 Walter Lee <walt@tilera.com>
978 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
979 (replace_mov_pcrel_step2): Ditto.
981 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
984 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
985 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
986 and locs that reference values newer than the non-canonical value
987 at hand. Return the canonical value as a worst case.
988 (memrefs_conflict_p): Walk canonical value's locs.
991 * cselib.c (preserve_only_constants): Rename to...
992 (preserve_constants_and_equivs): ... this. Split out...
993 (invariant_or_equiv_p): ... this. Preserve plus expressions
994 of other preserved expressions too.
995 (cselib_reset_table): Adjust.
996 * var-tracking.c (reverse_op): Use canonical value to build
999 2012-02-23 Kai Tietz <ktietz@redhat.com>
1001 * config/i386/i386.c (ix86_delegitimize_address): Handle
1002 UNSPEC_PCREL plus displacement.
1004 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1007 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1008 to test for unusedness in st X addressing.
1010 2012-02-24 Richard Guenther <rguenther@suse.de>
1013 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1014 (is_gimple_reg_type): Move inline ...
1015 * gimple.h (is_gimple_reg_type): ... here.
1017 2012-02-24 Richard Guenther <rguenther@suse.de>
1020 * passes.c (execute_function_todo): When verifying SSA form
1021 verify gimple form first.
1022 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1024 2012-02-24 Richard Guenther <rguenther@suse.de>
1027 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1028 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1030 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1032 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1034 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1036 * tree-phinodes.c (make_phi_node): Mark static.
1037 * tree-flow.h (make_phi_node): Remove extern decl.
1038 * doc/gimple.texi (make_phi_node): Remove documentation.
1040 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1042 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1043 * tree-ssa-sccvn.c (print_scc): Ditto.
1045 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1047 * doc/passes.texi (Full redundancy elimination): Fix typo.
1049 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1051 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1053 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1056 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1058 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1061 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1063 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1065 * config/avr/avr.md (code_stdname): Add ior, xor.
1066 (xior): New code iterator.
1067 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1068 (*<code_stdname><mode>qi.byte1-3): Ditto.
1070 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1072 PR tree-optimization/52019
1073 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1076 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1078 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1079 HAVE_INITFINI_ARRAY to work around namespace pollution in
1080 certain versions of newlib system headers.
1081 * config.in: Regenerate.
1082 * configure: Regenerate.
1083 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1084 instead of HAVE_INITFINI_ARRAY.
1086 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1089 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1090 is not offsettable memory reference.
1092 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1095 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1096 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1098 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1100 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1101 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1103 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1105 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1106 library on Solaris 8 even without TLS support.
1107 * configure: Regenerate.
1109 2012-02-22 Richard Guenther <rguenther@suse.de>
1112 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1113 for GIMPLE_DEBUG stmts.
1115 2012-02-22 Martin Jambor <mjambor@suse.cz>
1118 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1119 according to the base object.
1121 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1123 PR rtl-optimization/50063
1124 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1125 and 2 (8-bit SP) in operand 2.
1126 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1127 setup to use movhi_sp_r instead of vanilla move to write SP.
1128 Adjust REG_CFA notes to superseed unspec.
1129 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1131 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1132 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1133 irq_state 1 (IRQ known to be on) here.
1135 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1137 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1139 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1140 assign_hard_reg): Likewise.
1142 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1144 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1146 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1149 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1150 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1152 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1154 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1155 prototype from here to...
1156 * config/avr/avr.h: ...here.
1158 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1161 * thumb2.md (thumb2_shiftsi3_short): Split register and
1162 immediate shifts. For register shifts tie operands 0 and 1.
1163 (peephole2 for above): Check that register-controlled shifts
1164 have suitably tied operands.
1166 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1169 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1170 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1171 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1172 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1173 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1174 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1175 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1176 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1177 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1178 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1179 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1180 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1181 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1182 bdver1_ssevector_avx256_unaligned_load,
1183 bdver1_ssevector_sse128_unaligned_load,
1184 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1185 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1186 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1187 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1188 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1189 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1190 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1191 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1192 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1193 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1194 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1195 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1196 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1197 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1198 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1199 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1200 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1201 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1202 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1203 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1204 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1205 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1206 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1207 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1208 bdver1_ssediv_double_load, bdver1_ssediv_double,
1209 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1210 Add "bdver2" attribute.
1212 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1214 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1215 default if possible and not specified otherwise.
1217 2012-02-21 Richard Guenther <rguenther@suse.de>
1220 * gimplify.c (create_tmp_from_val): Use the main variant type
1221 for the type of the temporary we create.
1223 2012-02-21 Richard Guenther <rguenther@suse.de>
1225 PR tree-optimization/52324
1226 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1227 do not gimplify a MEM_REF address operand if it is already
1230 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1232 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1233 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1235 2012-02-21 Richard Guenther <rguenther@suse.de>
1237 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1238 nested_in_vect_loop.
1240 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1242 PR tree-optimization/52318
1243 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1244 vdef also to non-pure/const call stmts in the sequence.
1246 2012-02-20 David S. Miller <davem@davemloft.net>
1248 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1249 don't use the "rd %pc" instruction on v9 for PIC register loads.
1251 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1254 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1255 in a transaction safe function.
1257 2012-02-20 Kai Tietz <ktietz@redhat.com>
1260 * stor-layout.c (place_field): Handle desired_align for
1263 2012-02-20 Richard Guenther <rguenther@suse.de>
1265 PR tree-optimization/52298
1266 * tree-vect-stmts.c (vectorizable_store): Properly use
1267 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1269 (vectorizable_load): Likewise.
1270 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1271 Access DR_STEP after ensuring it is not NULL.
1273 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1275 PR tree-optimization/52286
1276 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1277 optimization use double_int_to_tree instead of build_int_cst_wide,
1278 rewrite to use double_int vars.
1280 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1283 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1285 Remove -e 0 from $gcc_cv_ld invocation.
1286 Only use __GLIBC_PREREQ if defined.
1287 Enable on Solaris since Solaris 8 patch.
1288 (gcc_SUN_LD_VERSION): New macro.
1289 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1290 gcc_SUN_LD_VERSION for version number format.
1291 * configure: Regenerate.
1292 * varasm.c (get_elf_initfini_array_priority_section): Set
1293 SECTION_NOTYPE for non-default priority.
1294 Use get_section instead of get_unnamed_section to emit
1295 .init_array/.fini_array with default priority.
1297 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1299 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1300 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1301 (mips_start_unique_function, mips_output_mips16_rdhwr)
1302 (mips_code_end): New functions.
1303 (TARGET_ASM_CODE_END): Define.
1305 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1307 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1308 to stubs with non-sibling calls.
1310 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1312 * doc/invoke.texi (-fira-* options): Copy-edit.
1313 (ira-* parameters): Copy-edit.
1315 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1317 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1318 GCC coding conventions.
1320 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1322 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1323 when used as adjectives.
1325 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1327 * doc/invoke.texi: Clean up "that"/"which" confusion.
1329 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1331 * system.h: Poison SMALL_REGISTER_CLASSES
1332 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1333 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1335 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1337 PR tree-optimization/52285
1338 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1339 when deciding if a call is a tail call or tail recursion.
1341 2012-02-16 Kai Tietz <ktietz@redhat.com>
1343 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1344 interger-constant displacement for UNSPEC_PCREL.
1346 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1348 PR rtl-optimization/52208
1349 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1350 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1352 PR tree-optimization/52255
1353 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1354 loop->header has virtual PHI, but exit_e->dest doesn't, add
1355 virtual PHI to exit_e->dest and adjust all uses after the loop.
1358 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1359 children with clone_tree_hash, not after it.
1361 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1363 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1364 extended identifiers.
1366 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1369 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1370 a same_body_alias, also test whether e->callee isn't a former
1371 or current clone of the decl this is a same body alias of.
1373 PR translation/52264
1374 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1376 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1378 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1380 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1383 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1384 force_reg instead of copy_to_reg for better optimization. Force
1385 non-register or memory operands into a register.
1387 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1389 * extend.texi: Reserve upper bits of memory model for future use.
1391 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1392 Anatoly Sokolov <aesok@post.ru>
1393 Eric Weddington <eric.weddington@atmel.com>
1396 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1397 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1398 Rewrite initializers for .macro.
1399 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1400 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1401 atxmega32d4, atxmega32x1.
1402 avrxmega4: atxmega64a3, atxmega64d3.
1403 avrxmega5: atxmega64a1, atxmega64a1u.
1404 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1405 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1406 avrxmega7: atxmega128a1, atxmega128a1u.
1407 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1408 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1409 (struct base_arch_s): Rename reserved to xmega_p.
1410 Rename reserved2 to have_rampd.
1411 (AVR_XMEGA): New define.
1412 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1413 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1414 * config/avr/predicates.md (io_address_operand): Take into
1416 (low_io_address_operand): Ditto.
1417 (high_io_address_operand): Ditto.
1418 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1419 (enabled, movhi_sp_r): Use them.
1420 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1421 cpp_define_formatted to built-in define __AVR_ARCH__.
1422 (__AVR_XMEGA__): New built-in define.
1423 (__AVR_HAVE_RAMPD__): New built-in define.
1424 (__AVR_HAVE_RAMPX__): New built-in define.
1425 (__AVR_HAVE_RAMPY__): New built-in define.
1426 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1428 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1429 (avr_option_override): Initialize them.
1430 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1431 (avr_init_expanders): Initialize them. No more block several calls.
1432 (emit_push_sfr): New static function.
1433 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1435 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1436 (avr_print_operand): Print addreeses as symbols for
1437 RAMPX, RAMPY, RAMPD, CCP.
1438 (output_movhi): Handle AVR_XMEGA when writing to SP.
1439 (avr_out_movhi_mr_r_xmega): New static function.
1440 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1441 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1442 __RAMPD__, __CCP__ as needed.
1444 * config/avr/multilib.h: Regenerate.
1445 * config/avr/t-multilib: Regenerate.
1446 * config/avr/avr-tables.opt: Regenerate.
1448 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1450 PR tree-optimization/50561
1451 * graphite-flattening.c (lst_project_loop): Do not
1452 remove old scattering dimensions after flattening.
1453 (lst_do_flatten): Likewise.
1455 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1457 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1458 __builtin_avr_map8, __builtin_avr_map16.
1459 Document __builtin_avr_insert_bits.
1461 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1462 (insert_bits): New insn.
1463 (adjust_len.map_bits): Rename to insert_bits.
1464 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1465 * avr-protos.h (avr_out_map_bits): Remove.
1466 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1467 * config/avr/constraints.md (Cxf,C0f): New.
1468 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1469 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1470 New built-in define __BUILTIN_AVR_INSERT_BITS.
1471 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1472 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1473 (avr_move_bits): Rewrite.
1474 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1476 (avr_map_op_t): New typedef.
1477 (avr_map_op): New static variable.
1478 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1479 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1480 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1481 (bdesc_3arg, avr_expand_triop_builtin): New.
1482 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1483 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1484 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1485 (avr_map_equal_p, avr_map_sig_p): Remove.
1486 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1487 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1488 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1489 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1490 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1491 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1493 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1495 * config/c6x/c6x.md (reserve_cycles): New attribute.
1496 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1497 don't reserve functional units after the branch occurs.
1499 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1502 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1503 functions into non-tm_pure functions.
1505 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1508 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1509 (iterative_hash_canonical_type): Likewise.
1510 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1513 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1515 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1516 sched-group insn, it either remains alone or the entire list is pruned.
1518 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1520 * doc/install.texi (Prerequisites): Fix grammar.
1521 (Configuration): Likewise.
1523 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1525 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1526 MPC as part of GCC before describing configuring with --with-gmp etc.
1527 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1528 sources are present.
1530 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1533 * dwarf2out.c (clone_tree_hash): New function.
1534 (copy_decls_walk): Use it instead of clone_tree.
1536 2012-02-14 Richard Guenther <rguenther@suse.de>
1538 PR tree-optimization/52244
1539 PR tree-optimization/51528
1540 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1541 replacements for integral types.
1543 2012-02-14 Walter Lee <walt@tilera.com>
1545 * config.gcc: Handle tilegx and tilepro.
1546 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1548 Add HAVE_AS_TLS check for tilegx and tilepro.
1549 * configure: Regenerate.
1550 * doc/contrib.texi: Add Mat Hostetter and self.
1551 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1552 Document instruction intrinsics and network accessing intrinsics.
1553 (TILEPro Built-in Functions): New node. Document instruction
1554 intrinsics and network accessing intrinsics.
1555 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1556 (Specific, tilepro-*-linux*): Likewise.
1557 * doc/invoke.texi (TILE-Gx Options): New section.
1558 (TILEPro Options): New section.
1559 * doc/md.texi (TILE-Gx): New section.
1560 (TILEPro): New section.
1561 * common/config/tilegx/tilegx-common.c: New file.
1562 * common/config/tilepro/tilepro-common.c: New file.
1563 * config/tilegx/constraints.md: New file.
1564 * config/tilegx/linux.h: New file.
1565 * config/tilegx/mul-tables.c: New file.
1566 * config/tilegx/predicates.md: New file.
1567 * config/tilegx/sync.md: New file.
1568 * config/tilegx/t-tilegx: New file.
1569 * config/tilegx/tilegx-builtins.h: New file.
1570 * config/tilegx/tilegx-c.c: New file.
1571 * config/tilegx/tilegx-generic.md: New file.
1572 * config/tilegx/tilegx-modes.def: New file.
1573 * config/tilegx/tilegx-multiply.h: New file.
1574 * config/tilegx/tilegx-protos.h: New file.
1575 * config/tilegx/tilegx.c: New file.
1576 * config/tilegx/tilegx.h: New file.
1577 * config/tilegx/tilegx.md: New file.
1578 * config/tilegx/tilegx.opt: New file.
1579 * config/tilepro/constraints.md: New file.
1580 * config/tilepro/gen-mul-tables.cc: New file.
1581 * config/tilepro/linux.h: New file.
1582 * config/tilepro/mul-tables.c: New file.
1583 * config/tilepro/predicates.md: New file.
1584 * config/tilepro/t-tilepro: New file.
1585 * config/tilepro/tilepro-builtins.h: New file.
1586 * config/tilepro/tilepro-c.c: New file.
1587 * config/tilepro/tilepro-generic.md: New file.
1588 * config/tilepro/tilepro-modes.def: New file.
1589 * config/tilepro/tilepro-multiply.h: New file.
1590 * config/tilepro/tilepro-protos.h: New file.
1591 * config/tilepro/tilepro.c: New file.
1592 * config/tilepro/tilepro.h: New file.
1593 * config/tilepro/tilepro.md: New file.
1594 * config/tilepro/tilepro.opt: New file.
1596 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1598 PR tree-optimization/52210
1599 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1600 vect_model_simple_cost with two entry vect_def_type array instead
1601 of an address of dt.
1603 2012-02-14 Richard Guenther <rguenther@suse.de>
1606 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1607 Do not stream DECL_QUALIFIER.
1608 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1609 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1610 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1612 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1615 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1618 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1621 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1622 * cselib.c (cselib_subst_to_values_from_insn): New function.
1623 * sched-deps.c (add_insn_mem_dependence,
1624 sched_analyze_1, sched_analyze_2): Use it.
1626 2012-02-13 Jan Hubicka <jh@suse.cz>
1629 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1631 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1633 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1634 (GTM_SELF_SPECS): Define if not already defined.
1635 (driver_self_specs): Add GTM_SELF_SPECS.
1636 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1637 (GTM_SELF_SPECS): Define.
1638 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1639 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1641 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1643 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1646 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1649 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1650 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1652 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1655 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1657 2012-02-13 Richard Guenther <rguenther@suse.de>
1659 PR translation/52211
1660 * passes.c (enable_disable_pass): Fix typo.
1662 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1665 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1666 XOR for reduce_bit_field if type is unsigned.
1668 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1670 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1671 disallow changes from SFmode to mode with different size in FP regs.
1673 2012-02-12 Robert Millan <rmh@gnu.org>
1674 Gerald Pfeifer <gerald@pfeifer.com>
1676 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1679 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1681 PR rtl-optimization/52175
1682 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1683 to frame-related instructions.
1685 2012-02-10 Jason Merrill <jason@redhat.com>
1688 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1689 (demangle_new_symbols): Fill it.
1690 (scan_linker_output): Walk it.
1691 (start_tweaking): Split out from scan_linker_output.
1692 (maybe_tweak): Update sym->chosen.
1693 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1695 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1698 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1700 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1702 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1703 having the same mode as previous compare.
1705 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1707 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1708 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1709 (nonlocal_goto_internal): Likewise.
1710 (nonlocal_goto): Emit a use and an indirect jump directly.
1712 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1715 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1716 __atomic_{is,always}_lock_free.
1718 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1721 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1722 negative constant address for x32.
1724 2012-02-10 Richard Henderson <rth@redhat.com>
1726 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1727 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1728 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1730 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1731 Ira Rosen <irar@il.ibm.com>
1733 PR tree-optimization/50031
1734 * targhooks.c (default_builtin_vectorization_cost): Handle
1736 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1737 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1738 all types of reduction and pattern statements.
1739 (vect_estimate_min_profitable_iters): Likewise.
1740 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1741 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1742 for explicit realigns.
1743 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1744 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1746 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1747 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1748 vec_perm for VSX and handle vec_promote_demote.
1750 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1753 * builtins.c (fold_builtin_atomic_always_lock_free,
1754 expand_builtin_atomic_always_lock_free,
1755 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1756 Return and/or test boolean_true_node/boolean_false_node instead of
1757 integer_one_node/integer_zero_node.
1759 2012-02-10 Jan Hubicka <jh@suse.cz>
1762 * predict.c (predict_paths_for_bb): Prevent looping.
1763 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1765 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1767 * config/arm/arm.c (output_move_double): In one case properly
1768 count number of instructions that will be emitted.
1770 2012-02-10 Richard Guenther <rguenther@suse.de>
1772 PR translation/52193
1773 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1775 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1778 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1780 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1783 * var-tracking.c (emit_note_insn_var_location): If
1784 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1785 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1786 non-NOTE_DURING_CALL_P insn.
1788 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1791 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1793 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1796 * gcc.c (switch_matches) Support switches with separated form,
1799 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1801 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1803 (RAMPZ_ADDR): Ditto.
1804 * config/avr/avr.c (avr_addr_t): New typedef.
1805 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1806 (avr_init_expanders): Initialize it.
1807 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1809 (expand_epilogue): Ditto.
1810 (avr_print_operand): Ditto.
1811 (avr_file_start): Ditto.
1812 (avr_emit_movmemhi): Ditto.
1814 2012-02-08 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/46886
1817 * tree-flow.h (do_while_loop_p): Declare.
1818 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1819 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1821 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1823 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1824 always succeed for integers larger than a native word.
1826 2012-02-08 Richard Guenther <rguenther@suse.de>
1828 PR rtl-optimization/52170
1829 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1830 properly handle integer vector modes.
1832 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1834 PR gcov-profile/52150
1835 * coverage.c: Include target.h.
1836 (build_var): Call targetm.strip_name_encoding on the assembler name.
1837 Change one _ into . or $ if the target allows it.
1838 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1840 PR rtl-optimization/52139
1841 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1842 is a BARRIER after emit_insn_after_noloc, move BB_END
1843 to the last non-BARRIER insn before it.
1845 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1848 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1849 (mips_gimplify_va_arg_expr): Call it instead of
1850 std_gimplify_va_arg_expr.
1852 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1854 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1855 message for -mno-pointers-to-nested-function.
1857 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1860 * expr.c (get_inner_reference): If there is an offset, add a negative
1861 bit position to it (if any).
1863 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1865 PR rtl-optimization/52060
1866 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1867 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1868 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1869 and/or i0src_copy2 when needed.
1871 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1873 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1874 or LTOPLUGINSONAME if have_c.
1876 * config/freebsd-spec.h: Add comment about what macros can be defined
1878 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1879 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1882 2012-02-07 Richard Guenther <rguenther@suse.de>
1884 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1885 newline in -alias dumps.
1887 2012-02-07 Kai Tietz <ktietz@redhat.com>
1888 Dave Korn <dave.korn.cygwin@gmail.com>
1891 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1892 Take care that typinfo gets dllexport-attribute.
1894 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1897 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1898 if modifier < EXPAND_SUM call force_operand on the result.
1900 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1902 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1903 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1905 (epiphany_function_type): Replace types for specific interrupts with
1906 EPIPHANY_FUNCTION_INTERRUPT.
1907 (EPIPHANY_INTERRUPT_P): Update.
1908 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1909 New static function.
1910 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1911 <disinterrupt>: Affects type identity.
1912 (epiphany_handle_interrupt_attribute): Handle variable number of
1914 (epiphany_compute_function_type): Update for new
1915 epiphany_function_type definition.
1916 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1917 handlers with a longcall forwarder.
1918 (epiphany_start_function): Handle multiple interrupt arguments and/or
1919 forwarder_section attribute.
1921 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1924 2012-02-07 Alan Modra <amodra@gmail.com>
1927 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1930 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1932 PR tree-optimization/50969
1933 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1934 use vec_perm rather than vector_stmt.
1935 (vect_model_load_cost): Likewise.
1936 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1937 vec_perm to be the same as other vector statements.
1938 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1939 cost of vec_perm for TARGET_VSX.
1941 2012-02-06 Richard Guenther <rguenther@suse.de>
1943 PR tree-optimization/52115
1944 * tree-sra.c (access_has_replacements_p): New function.
1945 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1947 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1950 * trans-mem.c (expand_call_tm): Add an assertion.
1951 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1954 2012-02-06 Richard Guenther <rguenther@suse.de>
1956 PR tree-optimization/50955
1957 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1958 raise cost of expressions that replace an address with an
1959 expression based on a different pointer.
1961 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1964 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1965 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1967 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1970 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1971 -Weffc++ and specify guidelines come from second edition.
1973 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1975 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1976 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1977 (call_direct_split, call_value_split, call_value_internal_direct)
1978 (call_value_direct_split, call_value_multiple_split): Use jal and
1979 jal_macro attributes.
1981 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1983 * reload1.c (reload_regs_reach_end_p): Replace with...
1984 (reload_reg_rtx_reaches_end_p): ...this function.
1985 (new_spill_reg_store): Update commentary.
1986 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1987 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1988 before setting new_spill_reg_store.
1989 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1990 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1991 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1992 for non-spill reload registers.
1994 2012-02-05 Ira Rosen <irar@il.ibm.com>
1996 PR tree-optimization/52091
1997 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1998 (vect_is_simple_use_1): Likewise.
1999 * tree-vect-loop.c (vectorizable_reduction): Update calls
2000 to vect_is_simple_use_1 and vect_is_simple_use.
2001 (vectorizable_live_operation): Likewise.
2002 * tree-vect-patterns.c (widened_name_p,
2003 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2004 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2005 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2006 vectorizable_shift,vectorizable_operation, vectorizable_store,
2007 vectorizable_load): Likewise.
2008 (vect_is_simple_cond): Add an argument, pass it to
2009 vect_is_simple_use_1.
2010 (vectorizable_condition): Update calls to vect_is_simple_cond,
2012 (vect_is_simple_use): Add an argument, the statement in which
2013 OPERAND is used. Check that if OPERAND's def stmt is a double
2014 reduction phi node, the use is a phi node too.
2015 (vect_is_simple_use_1): Add an argument, pass it to
2017 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2018 to vect_is_simple_use.
2020 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2022 PR rtl-optimization/52095
2023 * modulo-sched.c (dump_insn_locator): New function.
2024 (loop_canon_p, sms_schedule): Use it.
2026 PR rtl-optimization/52113
2027 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2028 even for decomposable shift/zext insns.
2030 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2031 Zdenek Dvorak <ook@ucw.cz>
2033 PR rtl-optimization/52092
2034 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2035 on get_iv_value result.
2037 2012-02-02 Andrew Pinski <apinski@cavium.com>
2041 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2043 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2046 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2048 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2050 PR rtl-optimization/49800
2051 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2052 (sched_finish): Call regstat_free_n_sets_and_refs.
2054 2012-02-02 Jia Liu <proljc@gmail.com>
2056 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2059 2012-02-02 Jan Hubicka <jh@suse.cz>
2060 Tom de Vries <tom@codesourcery.com>
2063 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2064 * varpool.c (varpool_analyze_pending_decls): Likewise.
2066 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2067 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2069 * config.gcc: Add cr16-* support.
2071 * doc/extend.texi: Document cr16 extensions.
2072 * doc/install.texi: Document cr16 install.
2073 * doc/invoke.texi: Document cr16 options.
2074 * doc/md.texi: Document cr16 constraints.
2076 * common/config/cr16/cr16-common.c: New file.
2077 * config/cr16/cr16.c: New file.
2078 * config/cr16/cr16.h: New file.
2079 * config/cr16/cr16.md: New file.
2080 * config/cr16/cr16.opt: New file.
2081 * config/cr16/cr16-protos.h: New file.
2082 * config/cr16/predicates.md: New file.
2083 * config/cr16/constraints.md: New file.
2084 * config/cr16/t-cr16: New file.
2086 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2089 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2090 that operands[2] is either immediate, or q_regs_operand.
2092 PR tree-optimization/52073
2093 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2094 a pattern stmt for pattern uses, ignore uses outside of the loop.
2096 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2098 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2099 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2100 (OUT_AS1, OUT_AS2): Remove.
2102 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2104 PR rtl-optimization/51374
2105 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2106 to cross other volatile_refs_p insns.
2108 2012-02-01 Richard Guenther <rguenther@suse.de>
2110 * doc/invoke.texi (fno-inline): Clarify documentation.
2111 (finline-small-functions): Likewise.
2112 (finline-functions): Likewise.
2113 * common.opt (finline): Adjust comment and documentation.
2114 (finline-small-functions): Clarify documentation.
2115 (finline-functions): Likewise.
2116 (finline-functions-called-once): Likewise.
2118 2012-02-01 Tristan Gingold <gingold@adacore.com>
2120 * c-typeck.c (composite_type): Keep mode for pointers.
2122 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2124 * function.h (regno_reg_rtx): Adjust comment.
2125 * reginfo.c (init_reg_modes_target): Only use the previous mode
2126 if it fits within one register. Remove MIPS comment.
2128 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2131 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2133 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2135 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2136 to srak instruction.
2138 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2140 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2142 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2147 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2149 2012-01-31 Richard Guenther <rguenther@suse.de>
2151 PR tree-optimization/51528
2152 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2155 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2160 * ree.c (add_removable_extension): Change def_map argument
2161 to unsigned *, store in def_map 1 + offset into *insn_list vector
2162 instead of pointers into the vector.
2163 (find_removable_extensions): Adjust caller.
2165 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2167 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2168 Transform all "* quoted-c-code" to { c-code }.
2169 Remove redundant test for "optimize" in combine patterns.
2170 Move (include "avr-dimode.md") to end of file.
2172 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2175 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2176 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2178 2012-01-30 Richard Guenther <rguenther@suse.de>
2180 PR tree-optimization/52028
2181 * tree-loop-distribution.c (ldist_gen): Properly update
2184 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2187 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2188 set_cur_line_info_table if not emitting debug info.
2190 PR tree-optimization/52046
2191 * tree-vect-patterns.c (check_bool_pattern): Give up if
2192 a comparison could throw.
2195 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2197 2012-01-30 Richard Guenther <rguenther@suse.de>
2199 PR tree-optimization/52045
2200 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2201 SSA form if cfgcleanup did anything.
2203 2012-01-30 Richard Guenther <rguenther@suse.de>
2205 PR tree-optimization/52045
2206 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2207 before computing final todo.
2209 2012-01-30 Richard Guenther <rguenther@suse.de>
2211 PR tree-optimization/51528
2212 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2215 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2217 * df-problems.c (df_kill_notes): Check that the use refers
2218 to the note under examination.
2220 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2223 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2224 parameter and use short-lived pseudos.
2225 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2226 (sparc_expand_vector_init): Const-ify local variables and adjust
2227 calls to above functions.
2229 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2231 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2233 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2235 * doc/invoke.texi: Make usage of "compile time" and
2236 "run time"/"runtime" consistent throughout the file.
2238 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2240 * config/alpha/alpha.c (alpha_option_override): Default to
2241 full IEEE compliance mode for Go language.
2243 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2245 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2246 (LINK_SSP_SPEC): Define.
2248 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2251 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2254 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2256 * doc/invoke.texi: Correct hyphenation of "floating point",
2257 "double precision", and related terminology throughout the file.
2259 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2262 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2263 arm_general_register_operand predicate for operand 2 instead of
2266 2012-01-27 Ian Lance Taylor <iant@google.com>
2269 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2270 * builtins.c (expand_builtin_init_trampoline): Add onstack
2271 parameter. Change caller.
2272 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2273 * tree.c (build_common_builtin_nodes): Declare
2274 __builtin_init_heap_trampoline.
2276 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2278 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2279 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2280 * config/avr/avr.c: Ditto.
2281 (avr_regnames): Remove because unused.
2282 * config/avr/avr.md (*cpse.ne): New peephole.
2283 (*cpse.eq): New peephole from former cpse peepholes.
2285 2012-01-27 Michael Eager <eager@eagercon.com>
2287 * config/microblaze.c (microblaze_emit_compare): Correct
2288 test after pcmp instruction.
2290 2012-01-27 Richard Guenther <rguenther@suse.de>
2292 PR tree-optimization/52020
2293 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2295 2012-01-27 Richard Guenther <rguenther@suse.de>
2297 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2298 function non-const/pure.
2300 2012-01-27 Richard Guenther <rguenther@suse.de>
2302 PR tree-optimization/50444
2303 * tree-sra.c (build_ref_for_offset): Properly adjust the
2304 MEM_REF type for unaligned accesses.
2306 2012-01-27 Richard Guenther <rguenther@suse.de>
2308 PR tree-optimization/50444
2309 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2310 (expand_assignment): Use it. Properly handle misaligned
2311 bases when expanding stores to component references.
2312 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2315 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2318 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2319 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2320 * tree-data-ref.c (find_data_references_in_loop): Make static.
2321 (compute_all_dependences): Change return type to bool. Bail out
2322 for too many datarefs in a loop. Move the hunk resetting the data
2323 dependences vector from ...
2324 (compute_data_dependences_for_loop): ... here. Account for
2325 compute_all_dependences returning false.
2326 (compute_data_dependences_for_bb): Likewise.
2327 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2328 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2330 2012-01-27 Richard Guenther <rguenther@suse.de>
2333 * expr.c (store_field): Use the alias-set of the scratch memory
2336 2012-01-27 Tom de Vries <tom@codesourcery.com>
2338 PR tree-optimization/51990
2339 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2341 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2343 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2346 * var-tracking.c (reverse_op): Don't add any reverse operation
2347 if V already has any constant locations.
2349 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2351 * doc/invoke.texi: Correct usage of "command line" (noun)
2352 vs "command-line" (adjective) throughout.
2354 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2356 * doc/invoke.texi (Language Independent Options): Move
2357 -Wcoverage-mismatch blurb from here....
2358 (Warning Options): ...to here.
2360 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2362 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2363 Set rs6000_always_hint to false for 476.
2365 2012-01-27 Matthias Klose <doko@ubuntu.com>
2367 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2369 * incpath.c (add_standard_paths): Likewise.
2371 2012-01-27 Richard Henderson <rth@redhat.com>
2373 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2374 * config/m68k/sync.md (atomic_test_and_set): Rename from
2375 sync_test_and_setqi and adjust the operands.
2376 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2377 and unconditionally enable.
2379 2012-01-27 Richard Henderson <rth@redhat.com>
2381 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2382 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2383 (ldstub): Rename from ldstubqi.
2384 (ldstub<I24MODE>): Remove.
2386 2012-01-27 Richard Henderson <rth@redhat.com>
2388 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2389 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2390 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2391 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2392 * doc/tm.texi: Rebuild.
2394 2012-01-27 Richard Henderson <rth@redhat.com>
2396 * optabs.c (gen_atomic_test_and_set): Remove default.
2397 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2399 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2401 PR rtl-optimization/51978
2402 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2403 (combine_reaching_defs): Likewise.
2404 (struct re_info): Remove.
2405 (add_removable_extension): Remove x and data arguments,
2406 add insn, insn_list and def_map. Use the arguments directly
2407 instead of using struct re_info.
2408 (find_removable_extensions): Don't call add_removable_extension
2409 through note_stores, instead just call it with single_set
2411 (find_and_remove_re): Pass curr_cand->expr instead of
2412 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2414 2012-01-26 Michael Matz <matz@suse.de>
2416 PR tree-optimization/46590
2417 * cfgexpand.c: Revert last change (r183305).
2418 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2420 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2421 checking for emptiness.
2423 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2426 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2427 non-addressable non-BLKmode base correctly.
2429 2012-01-26 Michael Matz <matz@suse.de>
2431 PR tree-optimization/48794
2432 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2433 regions referenced from RESX/EH_DISPATCH.
2435 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2437 * config/s390/s390.h: Make BRANCH_COST an option.
2438 * config/s390/s390.opt: New option -mbranch-cost.
2440 2012-01-26 Richard Henderson <rth@redhat.com>
2442 Revert 2012-01-24 change:
2443 * trans-mem.c (requires_barrier): Do not instrument thread local
2444 variables and emit save/restore for them.
2446 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2449 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2452 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2454 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2457 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2460 Rename __pgm to __flash.
2461 Rename __pgm1 to __flash1.
2462 Rename __pgm2 to __flash2.
2463 Rename __pgm3 to __flash3.
2464 Rename __pgm4 to __flash4.
2465 Rename __pgm5 to __flash5.
2466 Rename __pgmx to __memx.
2467 * doc/extend.texi (AVR Named Address Spaces)
2468 Rename address space names as indicated above.
2469 * config/avr/avr.c (avr_addrspace): Ditto.
2471 * config/avr/avr-protos.h
2472 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2473 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2474 * config/avr/predicates.md: Ditto.
2475 * config/avr/avr.c Ditto, and
2476 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2477 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2479 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2480 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2481 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2482 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2483 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2484 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2485 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2486 * config/avr/avr.c: Ditto.
2487 * config/avr/avr.md: Ditto.
2489 2012-01-25 Jason Merrill <jason@redhat.com>
2492 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2494 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2496 PR tree-optimization/51987
2497 * tree-data-ref.c (get_references_in_stmt): Handle references in
2498 non-volatile GIMPLE_ASM.
2500 2012-01-25 Richard Guenther <rguenther@suse.de>
2502 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2503 bases are dereferenced.
2505 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2507 PR rtl-optimization/48374
2508 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2510 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2512 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2513 compute_data_dependences_for_loop returns false.
2514 * tree-parloops.c (loop_parallel_p): Likewise.
2516 2012-01-25 Richard Guenther <rguenther@suse.de>
2518 * tree.h (get_pointer_alignment_1): Declare.
2519 * builtins.c (get_pointer_alignment_1): New function.
2520 (get_pointer_alignment): Use it.
2522 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2524 PR rtl-optimization/48308
2525 * combine.c (enum undo_kind): Add UNDO_LINKS.
2526 (struct undo): Add member l to other_contents and where.
2527 (do_SUBST_LINK): New.
2529 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2530 (undo_all): Handle UNDO_LINKS.
2532 2012-01-25 Richard Henderson <rth@redhat.com>
2534 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2537 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2539 * optabs.c (gen_atomic_test_and_set): Use each argument.
2541 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2543 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2544 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2545 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2546 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2547 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2548 TARGET_PAIRED_SINGLE_FLOAT.
2550 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2552 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2553 (in_struct, return_val): Remove MEM documentation.
2554 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2555 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2556 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2558 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2559 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2560 * expr.c (store_field): Likewise.
2561 * function.c (assign_stack_temp_for_type): Likewise.
2562 * ifcvt.c (noce_try_cmove_arith): Likewise.
2563 * reload1.c (reload): Likewise.
2564 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2565 (alpha_set_memflags): Likewise.
2566 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2568 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2570 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2572 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2573 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2574 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2576 * cselib.c (cselib_rtx_varies_p): Delete.
2577 (cselib_invalidate_mem): Update call to canon_true_dependence.
2578 * dse.c (record_store, check_mem_read_rtx): Likewise.
2579 (scan_reads_nospill): Likewise.
2580 * cse.c (check_dependence): Likewise.
2581 (cse_rtx_varies_p): Delete.
2582 * expr.c (safe_from_p): Update call to true_dependence.
2583 * ira.c (validate_equiv_mem_from_store): Likewise.
2584 (memref_referenced_p): Likewise.
2585 * postreload-gcse.c (find_mem_conflicts): Likewise.
2586 * sched-deps.c (sched_analyze_2): Likewise.
2587 * store-motion.c (load_kills_store): Likewise.
2588 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2589 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2590 (compute_transp): Update call to canon_true_dependence.
2592 2012-01-25 Richard Henderson <rth@redhat.com>
2594 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2595 (maybe_emit_atomic_test_and_set): New.
2596 (expand_sync_lock_test_and_set): Use it.
2597 (expand_atomic_test_and_set): Likewise.
2598 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2599 the implementation; clarify implementation defined details.
2600 * doc/md.texi (atomic_test_and_set): Document.
2602 2012-01-25 Richard Henderson <rth@redhat.com>
2604 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2606 2012-01-25 Richard Henderson <rth@redhat.com>
2609 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2610 to effect no-op split.
2612 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2615 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2616 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2617 (BT_FN_VOID_PTR_INT_SIZE): New.
2618 (BT_FN_UINT_UINT_VAR): Remove.
2619 (BT_FN_UINT32_UINT32_VAR): New.
2620 (BT_FN_DOUBLE_VPTR): Remove.
2621 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2623 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2624 (_ITM_changeTransactionMode): Same.
2625 (_ITM_memmoveRtWt): Change return type to void.
2626 (_ITM_memcpyRtWt): Same.
2627 (_ITM_memsetW): Same.
2628 (_ITM_RaRD): Change types to double.
2633 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2635 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2636 Patrick Marlier <patrick.marlier@gmail.com>
2638 * trans-mem.c (requires_barrier): Do not instrument thread local
2639 variables and emit save/restore for them.
2641 2012-01-24 Jason Merrill <jason@redhat.com>
2644 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2645 output static aliases.
2647 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2650 * common.opt (-pie, -shared, pie, shared): Change from Common to
2652 * gcc.c (display_help): Display help for -pie and -shared.
2654 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2657 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2658 Remove note on size/offset limitation.
2659 (AVR Variable Attributes): Add example how to read data located
2660 with progmem. Refer to named address spaces.
2661 * doc/invoke.texi (AVR Options): Fix typo.
2663 2012-01-24 Richard Guenther <rguenther@suse.de>
2665 Forward-port to trunk
2666 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2669 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2670 op0 isn't sufficiently aligned and there is movmisalignM
2671 insn for mode, use it to load op0 into a temporary register.
2673 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2676 * target.def (const_not_ok_for_debug_p): New hook.
2677 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2679 * doc/tm.texi: Regenerated.
2680 * dwarf2out.c (const_ok_for_output_1): If
2681 targetm.const_not_ok_for_debug_p returns true, fail.
2682 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2684 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2686 2012-01-23 Kai Tietz <ktietz@redhat.com>
2689 * config/i386/predicates.md (symbolic_operand): Allow
2690 UNSPEC_PCREL as PIC expression for lea.
2691 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2692 * config/i386/i386.c (ix86_delegitimize_address): Handle
2693 UNSPEC_PCREL for none-MEM, too.
2695 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2697 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2698 (ipa_tm_create_version_alias): Same.
2700 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2703 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2704 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2706 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2707 Patrick Marlier <patrick.marlier@gmail.com>
2708 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2711 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2712 simple_object_start_read.
2714 2012-01-23 Richard Guenther <rguenther@suse.de>
2717 PR tree-optimization/51895
2718 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2719 parameter decomposition into BLKmode components.
2721 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2723 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2724 fake variables for restrict-qualified pointers whose pointed-to type
2725 contains a placeholder.
2727 2012-01-23 Richard Guenther <rguenther@suse.de>
2729 PR tree-optimization/51949
2730 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2732 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2734 PR rtl-optimization/51933
2735 * ree.c (transform_ifelse): Return true right away if dstreg is
2736 already wider or equal to cand->mode.
2737 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2738 (make_defs_and_copies_lists): Remove defs_list and copies_list
2739 arguments, add state argument, just truncate state->work_list
2740 instead of always allocating and freeing the vector. Assert that
2741 get_defs succeeds instead of returning 2. Changed return type to bool.
2742 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2743 have ext_src_mode, see if it has been modified already with the
2744 right kind of extension and has been extended before from the
2745 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2746 just return true. Remember the original mode in state->modified array.
2747 (combine_reaching_defs): Add state argument. Don't allocate and
2748 free here def_list, copied_list and vec vectors, instead just
2749 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2750 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2751 Add state variable, clear vectors in it, initialize state.modified
2752 if needed. Free all the vectors at the end and state.modified too.
2753 Don't skip a candidate if the extension expression has been modified.
2755 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2758 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2759 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2760 (extra_options) interix.opt -> i386/interix.opt"
2761 (extra_objs):Add winnt-stubs.o
2762 * configure.ac: Add interix to target_os .comm on PE check.
2763 * configure: Regenerate.
2764 * config/interix3.h: Delete and move bits to..
2765 * config/interix.h: Delete and move bits to..
2766 * config/i386/i386-interix3.h: Delete and move bits to..
2767 * config/i386/i386-interix.h: ..here.
2768 (TARGET_CPU_DEFAULT): Remove redefinition.
2769 (TARGET_ASM_CONSTRUCTOR): Undefine.
2770 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2771 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2772 (PTRDIFF_TYPE): Define.
2773 (LONG_DOUBLE_TYPE_SIZE): Define.
2774 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2775 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2776 (TARGET_SECTION_TYPE_FLAGS): Define.
2777 (ASM_DECLARE_FUNCTION_NAME): Define.
2778 (ASM_OUTPUT_EXTERNAL): Define.
2779 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2780 (ASM_OUTPUT_ALIGNED_BSS): Define.
2781 (PCC_BITFIELD_TYPE_MATTERS): Define.
2782 (USE_CONST_SECTION): Define.
2783 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2784 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2785 (SUPPORTS_ONE_ONLY): Remove.
2786 (I386_PE_STRIP_ENCODING): Define.
2787 * config/interix.opt: Delete and move bits to..
2788 * config/i386/interix.opt: ..here. New.
2789 (mpe-aligned-commons): Add.
2790 * config/i386/t-interix: Add copyright header.
2791 (winnt-stubs.o): Add rule.
2793 2012-01-22 Jason Merrill <jason@redhat.com>
2796 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2797 for extra name aliases.
2799 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2801 PR rtl-optimization/51924
2802 * ree.c (combine_set_extension): Improve debugging message.
2803 (combine_reaching_defs): Likewise.
2804 (get_defs): Rename confusingly named variable.
2805 (find_and_remove_re): Skip a candidate if the extension expression has
2808 2012-01-21 Robert Millan <rmh@gnu.org>
2809 Gerald Pfeifer <gerald@pfeifer.com>
2811 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2812 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2814 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2816 PR tree-optimization/51914
2817 * tree-vect-stmts.c (vectorizable_conversion): For
2818 cvt_type && modifier == WIDEN, put temporary with cvt_type
2819 at the beginning of vec_dsts and set vec_dest to temporary
2822 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2824 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2826 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2828 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2829 * config/rs6000/rs6000.c: Likewise.
2831 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2834 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2835 output_move_double on a copy of operands array.
2837 2012-01-20 Cary Coutant <ccoutant@google.com>
2838 Dodji Seketeli <dodji@redhat.com>
2841 * dwarf2out.c (copy_declaration_context): Return ref to parent
2842 of declaration DIE, if necessary.
2843 (remove_child_or_replace_with_skeleton): Add new parameter; update
2844 caller. Place skeleton DIE under parent DIE of original declaration.
2845 Move call to copy_declaration_context to here ...
2846 (break_out_comdat_types): ... from here.
2848 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2850 PR rtl-optimization/51856
2851 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2854 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2857 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2858 hints for neon loads and stores.
2860 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2864 * doc/extend.texi (Named Address Spaces): Split into subsections.
2865 (AVR Named Address Spaces): New subsection.
2866 (M32C Named Address Spaces): New subsection.
2867 (RL78 Named Address Spaces): New subsection.
2868 (SPU Named Address Spaces): New subsection.
2869 (Variable Attributes): New anchor "AVR Variable Attributes".
2870 (AVR Variable Attributes): Rewrite and avoid wording
2871 "address space" in this context.
2872 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2873 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2874 (AVR Built-in Macros): New subsubsection therein.
2875 * doc/md.texi (AVR constraints): Remove "C04", "R".
2877 2012-01-20 Richard Guenther <rguenther@suse.de>
2879 PR tree-optimization/51903
2880 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2881 when removing stmts.
2883 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2886 * config/arm/arm.c (arm_load_pic_register): Use
2887 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2888 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2889 (arm_pic_static_addr): Likewise.
2890 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2891 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2892 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2893 (pic_load_addr_unified): New.
2895 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2898 * function.c (instantiate_virtual_regs_in_insn): Use
2899 delete_insn_and_edges when removing a wrong asm insn.
2901 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2903 PR rtl-optimization/40761
2904 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2905 Add new member loop_num.
2906 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2907 (ira_build): Remove the parameter.
2909 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2910 (ira.c): Do not build CFG loops for one region allocation. Remove
2911 argument from ira_build call.
2913 * ira-build.c (init_loop_tree_node): New function.
2914 (create_loop_tree_nodes): Use it. Separate the case when CFG
2915 loops are not built.
2916 (more_one_region_p): Check current_loops.
2917 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2919 (add_loop_to_tree): Process loop equal to NULL too.
2920 (form_loop_tree): Separate the case when CFG loops are not built.
2921 Use explicitly number for the root.
2922 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2924 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2925 instead of loop->num.
2926 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2927 (mark_all_loops_for_removal): Ditto.
2928 (remove_unnecessary_regions): Separate the case when CFG loops
2930 (ira_build): Remove the parameter. Use explicit number of regions
2931 when CFG loops are not built.
2933 * ira-color.c (print_loop_title): Separate the case for the root node.
2934 Use loop_num instead of loop->num.
2935 (move_spill_restore): Use loop_num instead of loop->num.
2937 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2938 (change_loop): Ditto.
2939 (change_loop): Use loop_num instead of loop->num.
2941 * ira-lives.c (process_bb_node_lives): Ditto.
2943 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2945 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2947 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2950 * tree-mudflap.c (mf_artificial): New function.
2951 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2952 mx_register_decls, mudflap_enqueue_decl): Use it.
2955 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2956 numbers in the insn pattern.
2958 2012-01-19 Michael Matz <matz@suse.de>
2960 PR tree-optimization/46590
2961 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2962 use it in remembering which conflicts we already created.
2963 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2966 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2969 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2970 (merge_and_complain): Same.
2972 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2975 * config/initfini-array.h: Guard content of the header
2976 with #ifdef HAVE_INITFINI_ARRAY.
2977 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2978 Add initfini-array.h to tm_file here.
2979 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2980 * config.gcc: Don't add initfini-array.h to tm_file here.
2981 * configure: Regenerated.
2983 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2985 PR rtl-optimization/51505
2986 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2987 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2988 (df_note_bb_compute): Update the call to df_kill_notes.
2990 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2992 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2994 2012-01-18 Richard Guenther <rguenther@suse.de>
2996 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2997 of conversions to void *.
2999 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3000 Richard Sandiford <rdsandiford@googlemail.com>
3004 * optabs.h (simplify_expand_binop): Declare.
3005 * optabs.c (simplify_expand_binop): Make global.
3006 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3007 endian targets if the source cannot be exactly covered by word
3010 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3013 * hard-reg-set.h (struct hard_reg_set_container): New type.
3014 * target.h (struct hard_reg_set_container): Forward declare.
3015 * target.def (set_up_by_prologue): New target hook.
3016 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3017 * doc/tm.texi: Regenerated.
3018 * function.c (thread_prologue_and_epilogue_insns): Change
3019 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3020 Call targetm.set_up_by_prologue on it.
3021 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3022 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3024 2012-01-17 Nick Clifton <nickc@redhat.com>
3026 * config/rx/rx.c (rx_can_use_simple_return): New function.
3027 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3028 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3030 2012-01-17 Richard Guenther <rguenther@suse.de>
3033 * expr.c (expand_assignment): Take address-space information
3034 from the address operand of MEM_REF and TARGET_MEM_REF.
3035 (expand_expr_real_1): Likewise.
3037 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3039 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3040 reload dump is requested.
3042 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3045 * trans-mem.c (requires_barrier): Call may_be_aliased.
3047 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3049 PR tree-optimization/51877
3050 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3051 call arguments and fndecls compare equal, instead return false if they
3052 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3053 both SSA_NAMEs that are valueized the same, or they satisfy
3056 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3058 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3060 * configure: Regenerate.
3062 2012-01-16 Jan Hubicka <jh@suse.cz>
3066 * convert.c (convert_to_integer): Use fold_convert for
3067 converting an INTEGER_CST to integer type.
3069 2012-01-16 Jason Merrill <jason@redhat.com>
3072 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3074 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3077 * config/s390/s390.c (s390_chunkify_start): Don't skip
3078 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3079 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3080 If insn is followed by NOTE_INSN_VAR_LOCATION or
3081 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3082 Don't use location of note insns.
3084 PR tree-optimization/51865
3085 * tree-inline.c (tree_function_versioning): Call remap_decl
3086 on DECL_RESULT whenever it has VOID_TYPE_P type.
3088 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3090 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3091 for calls to locally-binding MIPS16 functions if only the return
3092 type uses float regs.
3094 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3095 Richard Sandiford <rdsandiford@googlemail.com>
3097 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3098 (SYMBOL_32_HIGH): Likewise.
3099 (mips_output_tls_reloc_directive): Declare.
3100 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3101 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3102 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3103 (mips_lo_relocs, mips_hi_relocs): Make extern.
3104 (mips16_stub_function): Move up file.
3105 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3106 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3107 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3108 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3109 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3110 (mips_get_tp): Add MIPS16 support.
3111 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3112 Generalize DTPREL and TPREL handling.
3113 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3114 Add MIPS16 TLS support.
3115 (mips_output_tls_reloc_directive): New function.
3116 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3117 * config/mips/predicates.md (symbolic_operand_with_high)
3118 (tls_reloc_operand): New predicates.
3119 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3120 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3121 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3122 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3123 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3124 (*tls_get_tp_mips16_call_<mode>): Likewise.
3126 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3128 PR rtl-optimization/51821
3129 * recog.c (peep2_find_free_register): Determine clobbered registers
3132 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3135 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3136 * config/avr/avr.c: Likewise.
3137 * config/avr/avr.h: Likewise.
3139 2012-01-13 Ian Lance Taylor <iant@google.com>
3142 * tree.h (TYPE_QUALS): Add cast to int.
3143 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3145 2012-01-13 Ian Lance Taylor <iant@google.com>
3147 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3148 comparing param_index to VEC_length result.
3150 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3152 * c-decl.c: Do not include tree-mudflap.h
3153 * tree-optimize.c: Likewise.
3154 * Makefile.in: Update dependencies.
3156 2012-01-13 Richard Guenther <rguenther@suse.de>
3159 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3160 variable-sized result always use RSO.
3162 2012-01-12 DJ Delorie <dj@redhat.com>
3164 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3165 pointer type, not just the default pointer type.
3167 2012-01-09 Richard Henderson <rth@redhat.com>
3168 Denis Chertykov <chertykov@gmail.com>
3171 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3172 * config/avr/avr.c (avr_can_eliminate): Simplify.
3173 (avr_initial_elimination_offset): Likewise.
3174 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3175 (expand_epilogue): Likewise.
3176 (avr_legitimize_address): Gut.
3177 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3178 (avr_hard_regno_nregs): New.
3179 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3180 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3181 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3182 add soft frame pointer.
3183 (CALL_USED_REGISTERS): Likewise.
3184 (REG_CLASS_CONTENTS): Likewise.
3185 (REGISTER_NAMES): Likewise.
3186 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3187 (HARD_FRAME_POINTER_REGNUM): New.
3188 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3189 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3190 remove the HARD_FRAME_POINTER self-elimination.
3192 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3195 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3196 DECL_EXTERNAL when checking for initializers of progmem variables.
3198 2012-01-12 Ira Rosen <irar@il.ibm.com>
3200 PR tree-optimization/51799
3201 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3202 that the last operation is a type demotion.
3204 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3206 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3207 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3209 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3212 * combine.c (distribute_notes): If i3 is a noreturn call,
3213 allow old_size to be equal to args_size and make sure the
3214 noreturn call gets REG_ARGS_SIZE note.
3215 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3216 on noreturn calls even when the delta is 0.
3218 2012-01-11 Nathan Sidwell <nathan@acm.org>
3220 * gcov.c (STRING_SIZE): Remove.
3221 (generate_results): Erase annotations for source files with no
3222 coverage information.
3224 (output_lines): Use it.
3226 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3228 * gimple.h (gimplify_body): Remove first argument.
3229 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3230 pointer set here, instead just pass DATA to walk_tree.
3231 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3232 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3233 (unvisit_body): Likewise, but with unmark_visited.
3234 (gimplify_body): Remove BODY_P argument and adjust.
3235 (gimplify_function_tree): Adjust call to gimplify_body.
3236 * omp-low.c (finalize_task_copyfn): Likewise.
3238 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3240 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3241 (build_function_type_skip_args): Delete.
3242 * tree.c (build_function_type_skip_args): Make static and add
3243 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3244 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3245 pass it to build_function_type_skip_args.
3246 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3247 (tree_function_versioning): Likewise.
3248 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3249 build_function_decl_skip_args.
3250 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3251 and pass it to build_function_decl_skip_args/tree_function_versioning.
3252 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3253 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3254 * trans-mem.c (ipa_tm_create_version): Likewise.
3255 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3256 * tree-inline.c (declare_return_variable): Remove always-true test.
3257 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3258 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3259 * ipa-split.c (split_function): Skip the return value for the split
3260 part if it doesn't return.
3262 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3264 PR tree-optimization/49642
3265 * ipa-split.c (forbidden_dominators): New variable.
3266 (check_forbidden_calls): New function.
3267 (dominated_by_forbidden): Likewise.
3268 (consider_split): Check for forbidden dominators.
3269 (execute_split_functions): Initialize and free forbidden
3270 dominators info; call check_forbidden_calls.
3272 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3274 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3276 2012-01-11 Nick Clifton <nickc@redhat.com>
3278 * config/rx/rx.md (return): Define pattern.
3280 2012-01-11 Richard Guenther <rguenther@suse.de>
3282 * doc/extend.texi (malloc attribute): Adjust according to
3285 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3286 Patrick Marlier <patrick.marlier@gmail.com>
3289 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3290 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3291 (ipa_tm_note_irrevocable): Same.
3292 (ipa_tm_scan_irr_block): Same.
3293 (ipa_tm_decrement_clone_counts): Same.
3294 (ipa_tm_scan_irr_function): Same.
3295 (ipa_tm_create_version_alias): Same.
3296 (ipa_tm_create_version): Same.
3297 (ipa_tm_transform_calls_redirect): Same.
3298 (ipa_tm_transform_calls): Same.
3299 (ipa_tm_transform_transaction): Same.
3300 (ipa_tm_execute): Same.
3302 2012-01-10 Richard Guenther <rguenther@suse.de>
3305 * opts.c (common_handle_option): Handle -Werror.
3307 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3309 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3312 2012-01-10 Jason Merrill <jason@redhat.com>
3314 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3317 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3319 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3320 supports R_386_TLS_GD_PLT reloc.
3321 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3322 supports R_386_TLS_LDM_PLT reloc.
3323 * configure: Regenerate.
3324 * config.in: Regenerate.
3326 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3329 Extend __pgmx semantics to linearize memory.
3330 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3331 determine if code comes inline or from libgcc.
3332 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3333 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3334 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3335 (movmemx_qi, movmemx_hi): New insns.
3336 (xload_<mode>_libgcc): Rewrite to new insn condition.
3337 (xload_<mode>): Remove insns.
3338 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3339 cases that don't satisfy avr_xload_libgcc_p().
3340 (avr_addr_space_convert): Allow converting in any direction.
3341 (avr_addr_space_subset_p): Return always true.
3342 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3343 (avr_emit_movmemhi): Ditto.
3344 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3345 (avr_out_movmem): Ditto.
3346 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3347 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3348 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3349 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3350 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3352 2012-01-10 Richard Guenther <rguenther@suse.de>
3354 PR tree-optimization/50913
3355 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3356 Require data-refs to be representable by Graphite with respect
3359 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3361 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3362 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3364 2012-01-10 Tom de Vries <tom@codesourcery.com>
3366 PR rtl-optimization/51271
3367 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3368 handling annulled branch.
3370 2012-01-10 Richard Henderson <rth@redhat.com>
3372 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3373 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3374 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3375 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3376 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3377 arm_expand_vec_perm_const): New.
3378 * config/arm/arm-protos.h: Update.
3379 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3380 (*neon_vswp<VDQX>): New.
3381 (neon_vcombine<VDX>): Use neon_split_vcombine.
3382 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3383 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3384 (vec_perm<VE>): New.
3386 2012-01-10 Richard Henderson <rth@redhat.com>
3388 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3389 use it if reload_completed.
3390 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3391 arm_output_asm_insn, arm_process_output_memory_barrier,
3392 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3393 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3394 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3395 arm_process_output_sync_insn, arm_output_sync_insn,
3396 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3397 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3398 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3399 (emit_unlikely_jump): New.
3400 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3401 (arm_split_atomic_op): New.
3402 * config/arm/arm-protos.h: Update.
3403 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3404 (struct arm_sync_generator): Remove.
3405 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3406 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3407 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3408 (VUNSPEC_LL, VUNSPEC_SC): New.
3409 (sync_result, sync_memory, sync_required_value, sync_new_value,
3410 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3411 (attr length): Don't use arm_sync_loop_insns.
3412 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3413 (movsfcc, movdfcc): Likewise.
3414 * config/arm/constraints.md (Ua): New.
3415 * config/arm/prediates.md (mem_noofs_operand): New.
3416 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3417 (sync_clobber, sync_t2_reqd): Remove.
3418 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3419 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3420 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3421 (arm_sync_compare_and_swap<SIDI>): Remove.
3422 (arm_sync_compare_and_swap<NARROW>): Remove.
3423 (arm_sync_lock_test_and_set<SIDI>): Remove.
3424 (arm_sync_lock_test_and_set<NARROW>): Remove.
3425 (arm_sync_new_<syncop><SIDI>): Remove.
3426 (arm_sync_new_<syncop><NARROW>): Remove.
3427 (arm_sync_new_nand<SIDI>): Remove.
3428 (arm_sync_new_nand<NARROW>): Remove.
3429 (arm_sync_old_<syncop><SIDI>): Remove.
3430 (arm_sync_old_<syncop><NARROW>): Remove.
3431 (arm_sync_old_nand<SIDI>): Remove.
3432 (arm_sync_old_nand<NARROW>): Remove.
3433 (*memory_barrier): Merge arm_output_memory_barrier.
3434 (atomic_compare_and_swap<QHSD>): New.
3435 (atomic_compare_and_swap<NARROW>_1): New.
3436 (atomic_compare_and_swap<SIDI>_1): New.
3437 (atomic_exchange<QHSD>): New.
3438 (cas_cmp_operand, cas_cmp_str): New.
3439 (atomic_op_operand, atomic_op_str): New.
3440 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3441 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3442 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3443 (arm_load_exclusive<NARROW>): New.
3444 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3445 (arm_store_exclusive<QHSD>): New.
3447 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3449 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3450 reload patterns if -mvsx-scalar-memory.
3452 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3453 generated, even -mno-vsx-scalar-double was used.
3454 (vsx_xscvdpsp_scalar): Likewise.
3455 (vsx_xscvspdp_scalar2): Likewise.
3457 2012-01-09 Tom de Vries <tom@codesourcery.com>
3458 Andrew Pinski <apinski@cavium.com>
3461 * reorg.c (fill_slots_from_thread): Don't speculate
3462 frame-related insns.
3464 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3466 * sched-int.h (bb_note): Move to...
3467 * basic-block.h: ...here.
3468 * haifa-sched.c (bb_note): Move to...
3469 * cfgrtl.c: ...here.
3470 * function.c (next_block_for_reg): New function.
3471 (move_insn_for_shrink_wrap): Likewise.
3472 (prepare_shrink_wrap): Rewrite to use the above.
3474 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3476 * gimple.c (is_gimple_non_addressable): Remove.
3477 * gimple.h: Remove is_gimple_non_addressable.
3478 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3479 is_gimple_non_addressable.
3480 * trans-mem.c (expand_assign_tm): Same.
3482 2012-01-09 Richard Guenther <rguenther@suse.de>
3484 PR tree-optimization/51775
3485 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3486 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3488 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3490 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3492 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3494 2012-01-09 Richard Guenther <rguenther@suse.de>
3496 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3498 2012-01-08 Jan Hubicka <jh@suse.cz>
3500 PR tree-optimize/51680
3501 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3502 on when known_vals needs to be computed; cleanup.
3504 2012-01-08 Jan Hubicka <jh@suse.cz>
3506 PR tree-optimize/51694
3507 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3509 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3511 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3512 for -std=c++98 and -std=c++11 too.
3514 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3516 * cfgloop.c (cancel_loop): Add free() of bbs array.
3518 2012-01-07 Jan Hubicka <jh@suse.cz>
3520 PR tree-optimization/51600
3521 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3522 that benefits small functions.
3524 2012-01-07 Jan Hubicka <jh@suse.cz>
3526 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3528 2012-01-07 Jan Hubicka <jh@suse.cz>
3530 PR tree-optimization/51680
3531 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3532 whose inlining reduce unit size.
3534 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3537 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3538 Add canonical node to containing_mem chain after the non-canonical
3539 one, even if there weren't any locs to propagate.
3540 (remove_useless_values): Keep only canonical values.
3541 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3542 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3543 canonicalize mem_chain elements that are not discarded.
3545 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3548 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3549 before emitting functions.
3551 PR gcov-profile/50127
3552 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3553 clear_aux_for_blocks.
3555 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3558 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3560 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3562 * c-decl.c (ext_block): Moved up.
3563 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3565 2012-01-06 Han Shen <shenhan@google.com>
3567 Translate built-in include paths for sysroot.
3568 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3569 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3571 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3572 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3574 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3575 control whether sysroot should be prepended to gxx include dir.
3577 * configure: Regenerate.
3579 2012-01-06 Torvald Riegel <triegel@redhat.com>
3581 PR rtl-optimization/51771
3582 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3583 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3585 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3587 PR tree-optimization/51315
3588 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3589 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3591 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3594 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3595 for shrp pattern. Correctly handle and fixup shift variable.
3596 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3598 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3601 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3602 note when !ACCUMULATE_OUTGOING_ARGS.
3604 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3606 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3608 (extract_range_from_unary_expr_1): Avoid useless computations.
3610 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3612 PR rtl-optimization/51767
3613 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3614 of jump_block and add an extra edge for degenerated asm gotos.
3617 * stmt.c (check_unique_operand_names): Don't ICE during error
3618 reporting if i is from labels chain.
3621 * profile.c (branch_prob): Split bbs that have exit edge
3622 and need a fake entry edge too.
3624 2012-01-05 Jan Hubicka <jh@suse.cz>
3627 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3630 2012-01-05 Richard Guenther <rguenther@suse.de>
3633 * tree-streamer-out.c (write_ts_optimization): New function.
3634 (streamer_write_tree_body): Call it.
3635 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3636 (streamer_read_tree_body): Call it.
3637 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3639 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3642 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3643 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3644 in_cleanup_point_expr before gimplify_stmt call and restore it
3646 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3647 in_cleanup_point_expr is false.
3649 2012-01-05 Richard Guenther <rguenther@suse.de>
3652 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3654 * toplev.c (process_options): Reject combining mudflap and LTO.
3655 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3657 2012-01-05 Richard Guenther <rguenther@suse.de>
3659 PR tree-optimization/51760
3660 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3662 (bit_value_unop): Handle UNDEFINED operands.
3663 (bit_value_binop): Likewise.
3665 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3667 * config/avr/avr.c (avr_replace_prefix): Remove.
3668 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3669 (avr_asm_function_rodata_section): Ditto.
3670 (avr_asm_select_section): Ditto.
3672 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3674 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3677 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3680 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3681 calls that have any non-fake successor edges.
3684 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3686 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3688 PR tree-optimization/51624
3689 * tree-sra.c (build_ref_for_model): When replicating a chain of
3690 COMPONENT_REFs, stop as soon as the offset would become negative.
3692 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3695 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3696 in .debug_loc on the floor.
3698 2012-01-04 Andrew Pinski <apinski@cavium.com>
3700 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3702 2012-01-04 Andrew Pinski <apinski@cavium.com>
3703 Adam Nemet <anemet@caviumnetworks.com>
3705 * config/mips/mips.md (size): Add SI and DI.
3706 (SIZE): New mode attribute.
3707 (U): New code attribute.
3708 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3709 (mips_lbux_<mode>): Delete.
3710 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3711 (mips_lhx): Use gen_mips_lhx_extsi.
3712 (mips_lhx_<mode>): Delete.
3714 (mips_l<size>x): New expand.
3715 (mips_lwx_<mode>): Delete.
3716 (mips_l<GPR:size>x_<P:mode>): New pattern.
3717 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3718 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3719 * config/mips/mips.c (mips_lx_address_p): New function.
3720 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3721 (dsp64): New availability predicate.
3722 (mips_builtins): Add an entry for __builtin_mips_ldx.
3723 * config/mips/mips.h (ISA_HAS_LBX): New define.
3724 (ISA_HAS_LBUX): Likewise.
3725 (ISA_HAS_LHX): Likewise.
3726 (ISA_HAS_LHUX): Likewise.
3727 (ISA_HAS_LWX): Likewise.
3728 (ISA_HAS_LWUX): Likewise.
3729 (ISA_HAS_LDX): Likewise.
3730 * doc/extend.texi (__builtin_mips_ldx): Document.
3732 2012-01-04 Tristan Gingold <gingold@adacore.com>
3734 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3735 when long pointers are used.
3736 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3737 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3738 (ia64-hp-*vms*): Remove.
3739 * config/vms/xm-vms64.h: Delete.
3741 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3744 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3746 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3748 * opts.c (finish_options): Remove duplicate sorry.
3750 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3753 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3756 2012-01-04 Richard Guenther <rguenther@suse.de>
3759 * tree.c (size_low_cst): New function.
3760 * tree.h (size_low_cst): Declare.
3761 * fold-const.c (fold_comparison): Use it to extract the low
3762 part of the POINTER_PLUS_EXPR offset.
3764 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3766 Fix clearing ZERO_REG
3767 * config/avr/avr.md (cc): Add alternative "ldi".
3768 (movqi_insn): Use it in cc attribute.
3769 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3770 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3771 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3773 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3775 * configure: Regenerate.
3777 2012-01-04 Richard Guenther <rguenther@suse.de>
3779 PR tree-optimization/49651
3780 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3781 (var_can_have_subvars): Use it.
3782 (get_constraint_for_1): Only consider subfields if there can be any.
3784 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3787 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3788 to its new canonical_cselib_val and the cselib_val was in
3789 first_containing_mem chain, but the canonical_cselib_val was not,
3790 add the latter into the chain.
3791 (cselib_invalidate_mem): Compare canonical_cselib_val of
3792 addr_list chain elt with v.
3795 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3796 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3798 (output_macinfo_op): Don't ggc_strdup fd->filename.
3799 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3800 then ggc_strdup it. Don't free inc->info or cur->info.
3801 (output_macinfo): Don't free ref->info or file->info.
3803 2012-01-03 Ira Rosen <irar@il.ibm.com>
3805 PR tree-optimization/51269
3806 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3807 first_niters a pointer.
3808 (slpeel_tree_peel_loop_to_edge): Likewise.
3809 (vect_do_peeling_for_loop_bound): Update call to
3810 slpeel_tree_peel_loop_to_edge.
3811 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3812 here. Remove it from the parameters list.
3813 (vect_do_peeling_for_alignment): Update calls and compute
3816 2012-01-03 Richard Guenther <rguenther@suse.de>
3818 PR tree-optimization/51070
3819 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3820 Properly handle calls.
3822 2012-01-03 Richard Guenther <rguenther@suse.de>
3824 PR tree-optimization/51692
3825 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3826 the LHS of allocation stmts.
3828 2012-01-03 Olivier Hainque <hainque@adacore.com>
3830 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3832 2012-01-03 Olivier Hainque <hainque@adacore.com>
3834 * collect2.c (main): In AIX specific computations for vector
3835 insertions, use CONST_CAST2 to cast from char ** to const char **.
3837 2012-01-03 Richard Guenther <rguenther@suse.de>
3840 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3841 the context of a limbo DIE when it does not already exist.
3843 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3845 PR tree-optimization/51719
3846 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3847 but direct call is, clear direct call's lhs and don't add fallthrough
3848 edge from dcall_bb to join_bb and PHIs.
3850 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3852 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3853 the instructions emitted by the pattern.
3854 ("*TDC_insn_<mode>"): Add comment.
3856 2012-01-03 Richard Guenther <rguenther@suse.de>
3859 * fold-const.c (fold_comparison): Properly canonicalize
3860 tree offset and HOST_WIDE_INT bit position.
3862 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3864 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3865 operands for extzv pattern.
3867 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3870 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3873 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3875 * doc/invoke.texi (-flto and related options): Copy-edit.
3877 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3879 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3881 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3883 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3886 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3888 * expr.h (move_by_pieces_ninsns): Declare.
3889 * expr.c (move_by_pieces_ninsns): Make external.
3890 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3891 (mips_store_by_pieces_p): Likewise.
3892 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3893 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3894 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3895 (mips_store_by_pieces_p): Likewise.
3897 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3899 * passes.c (register_one_dump_file): Free full_name.
3901 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3902 (calculate_elim_costs_all_insns): Free offsets_at and
3903 offsets_known_at at the end and clear the pointers.
3905 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3907 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3908 this option introduced in r180739.
3910 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3913 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3914 (tmake_file target=avr): Add avr/t-multilib.
3916 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3917 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3918 * config/avr/genmultilib.awk: New file.
3919 * config/avr/t-multilib: New auto-generated file.
3920 * config/avr/multilib.h: New auto-generated file.
3921 * config/avr/t-avr (AVR_MCUS): New variable.
3922 (genopt.sh): Use it.
3923 (s-mlib): Depend on t-multilib.
3924 (t-multilib, multilib.h): New dependencies.
3925 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3926 (MULTILIB_OPTIONS): Remove.
3927 (MULTILIB_MATCHES): Remove.
3928 (MULTILIB_DIRNAMES): Remove.
3929 (MULTILIB_EXCEPTIONS): Remove:
3930 * config/avr/genopt.sh: Don't use hard coded file name;
3931 pass AVR_MCUS from t-avr instead.
3933 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3935 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3937 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3939 Implement light-weight DImode support.
3940 * config/avr/avr-dimode.md: New file.
3941 * config/avr/avr.md: Include it.
3942 (adjust_len): Add plus64, compare64.
3943 (HIDI): Remove code iterator.
3944 (code_stdname): New code attribute.
3945 (rotx, rotsmode): Remove DI.
3946 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3948 * config/avr/avr-protos.h (avr_have_dimode): New.
3949 (avr_out_plus64, avr_out_compare64): New.
3950 * config/avr/avr.c (avr_out_compare): Handle DImode.
3951 (avr_have_dimode): New variable definition and initialization.
3952 (avr_out_compare64, avr_out_plus64): New functions.
3953 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3954 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3955 (avr_compare_pattern): Skip DImode comparisons.
3957 2012-01-02 Revital Eres <revital.eres@linaro.org>
3959 * ddg.c (def_has_ccmode_p): New function.
3960 (add_cross_iteration_register_deps,
3961 create_ddg_dep_from_intra_loop_link): Call it.
3963 2012-01-02 Richard Guenther <rguenther@suse.de>
3966 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3968 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3970 * gcc.c (process_command): Update copyright notice dates.
3971 * gcov.c (print_version): Likewise.
3972 * gcov-dump.c (print_version): Likewise.
3973 * mips-tfile.c (main): Likewise.
3974 * mips-tdump.c (main): Likewise.
3976 2012-01-01 Ira Rosen <irar@il.ibm.com>
3978 PR tree-optimization/51704
3979 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3980 a use is inside the basic block or loop before accessing its vect info.
3982 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3984 PR rtl-optimization/51069
3985 * cfgloopmanip.c (remove_path): Removing path making irreducible
3986 region unconditional makes BB part of the region.
3988 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3990 PR tree-optimization/51683
3991 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3992 calls with side-effects.
3993 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3995 Copyright (C) 2012 Free Software Foundation, Inc.
3997 Copying and distribution of this file, with or without modification,
3998 are permitted in any medium without royalty provided the copyright
3999 notice and this notice are preserved.
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