1 2012-04-03 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/52835
4 * tree-data-ref.c (build_rdg): Return NULL if
5 compute_data_dependences_for_loop failed.
7 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
9 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
10 (stmt_can_make_abnormal_goto): Use it.
11 (is_ctrl_altering_stmt): Likewise.
13 2012-03-31 Martin Jambor <mjambor@suse.cz>
15 Backported from mainline
16 2012-03-30 Martin Jambor <mjambor@suse.cz>
18 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
19 is a builtin_stack_save in a dominating BB.
21 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
23 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
24 crossing 128bit lane boundary.
26 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
28 Backported from mainline
29 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
32 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
34 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
35 * config/i386/i386.c: Include reload.h.
36 (ix86_legitimize_reload_address): New function.
38 2012-03-28 Martin Jambor <mjambor@suse.cz>
40 Backported from mainline
41 2012-03-27 Martin Jambor <mjambor@suse.cz>
44 * tree-sra.c (sra_modify_assign): Do not call
45 load_assign_lhs_subreplacements when working with an unscalarizable
48 2012-03-28 Jakub Jelinek <jakub@redhat.com>
51 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
52 __builtin_va_start to __builtin_next_arg if the latter is
53 builtin_decl_explicit_p rather than when it is not.
56 * tree-vect-generic.c (vector_element): Perform multiplication
57 for pos in bitsizetype type instead of idx type.
59 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
61 Backport from 2012-03-28 mainline r185910.
64 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
65 (avr_builtin_decl): New static function.
66 (struct avr_builtin_description, avr_bdesc): Move up.
67 Add GTY marker. Add field fndecl. Remove redundant field id.
68 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
69 (avr_expand_builtin): Code cleanup because .id is removed.
71 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
74 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
77 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
79 Backport from 2012-03-28 mainline r185907.
82 * config.gcc (tm_file): Remove avr/multilib.h.
84 * doc/invoke.texi (AVR Options): Adjust
85 documentation of -mtiny-stack.
87 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
88 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
89 * config/avr/t-avr: Remove generation of multilib.h.
90 * config/avr/t-multilib: Regenerate.
91 * config/avr/multilib.h: Remove.
92 * config/avr/avr.opt (-msp8): New option.
93 (avr_sp8): New variable.
94 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
95 * config/avr/avr.h (AVR_HAVE_SPH): New define.
96 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
97 (avr_device_to_sp8): New prototype.
98 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
99 (DRIVER_SELF_SPECS): New define.
100 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
101 __AVR_SP8__, __AVR_HAVE_SPH__.
102 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
103 AVR_HAVE_8BIT_SP to decide if SP_H is present.
104 (avr_file_start): Ditto.
106 2012-03-28 Jakub Jelinek <jakub@redhat.com>
109 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
110 instead of 8 in adjust_address.
112 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
114 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
115 of a unit before computing the offset in units.
117 2012-03-27 Richard Guenther <rguenther@suse.de>
120 * fold-const.c (try_move_mult_to_index): Handle &x.array more
123 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
126 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
128 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
131 * varasm.c: Include pointer-set.h.
132 (pending_assemble_externals_set): New pointer set.
133 (process_pending_assemble_externals): Destroy the pointer set.
134 (assemble_external): See if decl is in pending_assemble_externals_set,
135 and add it to pending_assemble_externals if necessary.
136 (init_varasm_once): Allocate pending_assemble_externals_set.
138 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
140 Backported from mainline
141 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
144 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
145 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
146 (vector_ltgt<mode>): Likewise.
147 (vector_ordered<mode>): Likewise.
148 (vector_unordered<mode>): Likewise.
149 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
151 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
153 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
156 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
158 Backported from mainline
159 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
163 * config/sh/sh.c (sh_register_move_cost): Increase cost between
164 GENERAL_REGS and FP_REGS for SImode.
166 2012-03-22 Jakub Jelinek <jakub@redhat.com>
169 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
170 on any new_local_var_chain vars declared during recursing on
171 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
173 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
175 Backport from 2012-03-22 mainline r185692.
178 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
179 (unspecv): Add UNSPECV_MEMORY_BARRIER.
180 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
181 (delay_cycles_1, delay_cycles_2): Ditto.
182 (delay_cycles_3, delay_cycles_4): Ditto.
183 (nopv, *nopv): Ditto.
184 (sleep, *sleep): Ditto.
187 Backport from 2012-03-21 mainline r185605.
189 PR rtl-optimization/52543
191 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
192 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
193 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
194 (avr_load_libgcc_p): Restrict to __flash loads.
195 (avr_out_lpm): Only handle 1-byte loads from __flash.
196 (avr_load_lpm): New function.
197 (avr_find_unused_d_reg): Remove.
198 (avr_out_lpm_no_lpmx): Remove.
199 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
200 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
201 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
202 (load_<mode>, load_<mode>_clobber): New insns.
203 (mov<mode>): For multi-byte move from non-generic
204 16-bit address spaces: Expand to load_<mode> resp.
206 (load<mode>_libgcc): Remove expander.
207 (split-lpmx): Remove split.
209 Backport from 2012-03-13 mainline r185329.
212 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
213 offset (size) to a value the insns can deal with.
214 (expand_epilogue): Ditto.
216 Backport from 2012-03-12 mainline r185256.
219 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
220 type from reg_class_t to enum reg_class.
221 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
223 Backport from 2012-03-12 mainline r185253.
226 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
227 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
228 r184615 from 2012-02-28.
230 Backport from 2012-03-08 mainline r185105.
232 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
233 for constants in [-63,63].
235 Backport from 2012-03-08 mainline r185100.
238 * config/avr/avr.c (avr_mem_clobber): New static function.
239 (avr_expand_delay_cycles): Add memory clobber operand to
240 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
241 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
242 (enable_interrupt, disable_interrupt): New expander.
243 (nopv, sleep, wdr): New expanders.
244 (delay_cycles_1): Add memory clobber.
245 (delay_cycles_2): Add memory clobber.
246 (delay_cycles_3): Add memory clobber.
247 (delay_cycles_4): Add memory clobber.
248 (cli_sei): New insn from former "enable_interrupt",
249 "disable_interrupt" with memory clobber.
250 (*wdt): New insn from former "wdt" with memory clobber.
251 (*nopv): Similar, but for "nopv".
252 (*sleep): Similar, but for "sleep".
254 Backport from 2012-03-07 mainline r185043.
257 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
259 Backport from 2012-03-07 mainline r185032.
262 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
263 to: RAMPZ, RAMPY, RAMPX, RAMPD.
264 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
266 Backport from 2012-03-07 mainline r185031.
269 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
271 * config/avr/avr.md (xload_8): Adjust insn length.
273 Backport from 2012-03-07 mainline r185030.
276 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
277 if RAMPZ affects reading from RAM.
279 Backport from 2012-03-05 mainline r184919.
281 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
283 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
285 Backport from mainline r185259.
288 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
289 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
291 2012-03-22 Jakub Jelinek <jakub@redhat.com>
293 Backported from mainline
294 2012-03-13 Jakub Jelinek <jakub@redhat.com>
297 * c-parser.c (c_parser_postfix_expression)
298 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
300 * config/i386/smmintrin.h: Avoid /* within a comment.
301 * config/i386/nmmintrin.h: Likewise.
303 2012-03-22 Richard Guenther <rguenther@suse.de>
305 * BASE-VER: Set to 4.7.1.
306 * DEV-PHASE: Set to prerelease.
308 2012-03-22 Release Manager
310 * GCC 4.7.0 released.
312 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
314 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
316 2012-03-15 Jakub Jelinek <jakub@redhat.com>
317 Andrew Pinski <apinski@cavium.com>
320 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
321 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
322 calls instead of __builtin_ir{int,ound}*.
324 2012-03-14 Jakub Jelinek <jakub@redhat.com>
327 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
330 2012-03-13 Joseph Myers <joseph@codesourcery.com>
332 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
333 Refer to GCC 4.7 version of c99status.html.
335 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
337 Backport from mainline
338 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
340 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
341 redefine to be NULL if the current bit-size is different from the
344 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
345 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
346 set the default tuning. Add asserts to make sure the cpu and tune
347 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
348 test whether the index is set, instead of > 0.
349 (rs6000_file_start): Do not reset the default cpu if the current
350 bit-size is different from the configured bit-size.
352 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
354 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
356 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
357 Update binutils references.
358 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
359 Update binutils reference.
360 Update Sun as/GNU ld caveat.
361 Document binutils largefile requirement for LTO plugin.
362 Remove reference to alternate libpthread.
364 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
366 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
368 (Specific, mips-sgi-irix6): Likewise.
370 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
372 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
373 * configure: Regenerate.
375 2012-03-07 Richard Henderson <rth@redhat.com>
377 * config/m68k/m68k.h (ISA_HAS_TAS): New.
378 * config/m68k/sync.md (atomic_test_and_set): Use it.
379 (atomic_test_and_set_1): Likewise.
381 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
384 * Makefile.in: Let install-gcc-ar depend on installdirs,
385 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
386 Don't double canonicalize if cross-compiling.
388 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
390 * trans-mem.c: New typedef for tm_region_p.
391 Define vector types for tm_region_p.
392 (tm_region_init): Replace region_worklist to a vector called
395 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
398 * trans-mem.c (tm_region_init): Use last_basic_block.
400 2012-03-05 Richard Henderson <rth@redhat.com>
403 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
404 * omp-low.c (expand_omp_atomic): Assume anything aligned to
405 BIGGEST_ALIGNMENT is aligned.
407 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
409 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
411 2012-03-05 Richard Henderson <rth@redhat.com>
414 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
415 instead of calling negqi2 directly.
417 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
419 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
420 (INTMAX_TYPE): Use it.
421 (UINTMAX_TYPE): Likewise.
422 (SUBTARGET_OVERRIDE_OPTIONS): Define.
423 (irix6_c_common_override_options): Declare.
424 (C_COMMON_OVERRIDE_OPTIONS): Define.
425 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
426 * config/mips/irix6-c.c: New file.
427 * config/mips/t-irix6 (irix6-c.o): New target.
428 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
431 2012-03-02 Richard Henderson <rth@redhat.com>
433 * optabs.c (expand_atomic_test_and_set): Honor
434 atomic_test_and_set_trueval even when atomic_test_and_set
437 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
439 Backport from mainline
440 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
442 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
444 2012-03-02 Richard Guenther <rguenther@suse.de>
446 * DEV-PHASE: Set to prerelease.
448 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
450 * config.gcc (obsolete): Add all ARM targets using the FPA.
451 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
452 * doc/install.texi: Avoid references to obsolete ARM ports.
454 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
456 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
458 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
459 Joern Rennecke <joern.rennecke@embecosm.com>
461 * doc/extend.texi: Expand and update information on interrupt
462 attribute for Epiphany.
464 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
466 * config/sh/sh-protos.h: Update copyright notice dates.
467 * config/sh/sh.h: Likewise.
468 * config/sh/sh.md: Likewise.
469 * config/sh/constraints.md: Likewise.
470 * config/sh/predicates.md: Likewise.
472 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
474 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
475 * config/sh/sh.c (tertiary_reload_operand): Likewise.
477 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
479 * config/sh/constraints.md: Fix comment typo.
481 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
484 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
485 unsigned HOST_WIDE_INT.
486 (zvdep_imm64): Likewise.
487 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
488 (vdepi_and): Likewise.
489 Likewise for unamed 64-bit patterns.
490 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
492 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
495 PR rtl-optimization/52417
496 * cselib.c (cselib_any_perm_equivs): New variable.
497 (cselib_reset_table): Check that it's not set when not
498 preserving constants.
499 (cselib_add_permanent_equiv): Set it.
500 (cselib_have_permanent_equivalences): New.
501 (cselib_init, cselib_finish): Reset it.
502 * cselib.h (cselib_have_permanent_equivalences): Declare.
503 * alias.c (get_addr): Restore earlier behavior when there
504 aren't permanent equivalences.
506 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
508 * config/mn10300/mn10300-modes.def: Fix copyright notice.
509 * config/v850/v850-modes.def: Fix copyright notice.
511 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
513 * doc/extend.texi (AVR Built-in Functions): Document
514 __builtin_avr_flash_segment.
516 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
517 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
518 (*split.flash_segment): New insn-and-split.
519 * config/avr/avr.c (avr_init_builtins): Add local variables:
520 const_memx_void_node, const_memx_ptr_type_node,
521 char_ftype_const_memx_ptr.
523 2012-03-01 Jakub Jelinek <jakub@redhat.com>
525 PR tree-optimization/52445
526 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
527 add ssa_name_ver, offset and size fields and change store field
529 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
530 (add_or_mark_expr): Likewise. Only consider previous stores
531 with the same size and offset.
532 (nt_init_block): Only look at gimple_assign_single_p stmts,
533 doesn't look at rhs2.
535 2012-03-01 Richard Guenther <rguenther@suse.de>
538 * tree-cfg.c (verify_gimple_assign_unary): Allow any
539 conversions from integral types to pointer types.
541 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
543 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
544 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
545 unintentionally removed in r184616.
547 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
549 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
552 2012-02-29 Jakub Jelinek <jakub@redhat.com>
553 Uros Bizjak <ubizjak@gmail.com>
556 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
557 alternatives, add "e" constraint to the new last alternative
558 and ! to last 3 alternatives.
560 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
562 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
563 DW_AT_artificial attributes at the end of the processing.
564 (gen_array_type_die): Likewise.
565 (gen_enumeration_type_die): Likewise.
566 (gen_struct_or_union_type_die): Likewise.
567 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
570 2012-02-29 Jakub Jelinek <jakub@redhat.com>
573 * expr.c (expand_assignment): If doing misaligned store that doesn't
574 cover all mode bits, perform a RMW cycle.
576 PR tree-optimization/52429
577 * tree-parloops.c (separate_decls_in_region_debug): Return early
578 if var is LABEL_DECL.
580 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
582 PR tree-optimization/52424
583 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
584 calling dom_thread_across_edge.
586 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
588 * config/avr/avr.c: Move definition of TARGET macros to end of file.
590 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
592 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
593 * config/avr/avr.c (avr_output_bld): Remove unused function.
594 (avr_out_sbxx_branch): Use "%T" to print bit position.
596 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
598 * config/avr/avr.md: Untabify.
600 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
602 * config/avr/avr.md (eqne): New code iterator.
603 (*dec-and-branchsi): Use it in text peephole's condition.
604 (*dec-and-branchhi): Ditto.
605 (*dec-and-branchqi): Ditto.
607 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
610 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
611 the device does not have the skip-bug.
613 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
615 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
616 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
617 -mpretend-cmove): New.
619 2012-02-29 Jakub Jelinek <jakub@redhat.com>
622 * df.h (struct df_d): Adjust comment that hard_regs_live_count
623 doesn't count DEBUG_INSN refs.
624 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
627 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
631 2012-02-20 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/52298
633 * tree-vect-stmts.c (vectorizable_load): Properly use
634 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
637 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
640 * gimple.h (gimple_in_transaction): New.
641 (gimple_set_in_transaction): New.
642 (struct gimple_statement_base): Add in_transaction field.
643 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
645 (tree_ssa_lim_initialize): Compute transaction bits.
646 * tree.h (compute_transaction_bits): Protoize.
647 * trans-mem.c (tm_region_init): Use the heap to store BB
649 (compute_transaction_bits): New.
651 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
653 * gcc.c (display_help): Document --help=common and sort entries
656 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
658 * doc/install.texi: Document check-$LANG specific shortcuts
660 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
663 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
665 * config/arm/arm_neon.h: Regenerate.
666 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
667 (neon_vcgeu): New insn.
668 (neon_vcgtu): Likewise.
669 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
670 (ops): Unsigned comparison intrinsics call a different
673 2012-02-28 Richard Guenther <rguenther@suse.de>
676 * config/i386/i386.c (ix86_expand_vector_set): Fix element
677 ordering for the VEC_CONCAT for two element vectors for
678 V2SFmode, V2SImode and V2DImode.
680 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
683 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
684 detecting big-endian triplets.
686 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
688 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
689 mode if there is no type information available.
691 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
693 PR tree-optimization/53207
694 * doc/invoke.texi: Document as experimental and relying on graphite.
696 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
698 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
699 of initializer to changes from r184614.
701 2012-02-28 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/52395
704 * tree-sra.c (build_ref_for_offset): Also look at the base
705 TYPE_ALIGN when figuring out the alignment of the replacement.
707 2012-02-28 Richard Guenther <rguenther@suse.de>
709 PR tree-optimization/52402
710 * ipa-prop.c (ipa_modify_call_arguments): Properly use
711 mis-aligned types when creating the accesses at the call site.
713 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
715 * config/avr/builtins.def: New file.
716 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
717 * config/avr/avr.c (enum avr_builtin_id): Use it.
718 (avr_init_builtins): Use it. And use avr_bdesc.
719 (bdesc_1arg): Remove.
720 (bdesc_2arg): Remove.
721 (bdesc_3arg): Remove.
722 (struct avr_builtin_description): Add field n_args.
723 (avr_bdesc): New static variable using builtins.def.
724 (avr_expand_builtin): Use it.
725 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
726 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
727 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
729 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
732 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
733 match only one single hard register with respective hard reg rtx.
734 (movmemx_<mode>): Ditto.
735 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
736 insn anatomy of movmem[x]_<mode>.
737 (avr_out_movmem): Same for printing assembler and operand usage.
739 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
743 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
744 address spaces located outside of device flash.
746 * config/avr/avr.h (base_arch_s): Remove field n_segments.
747 (mcu_type_s): Add field n_flash.
748 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
749 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
750 (AVR_MCU): Add N_FLASH argument.
751 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
752 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
753 macro __FLASH<n> if that address space makes sense for the device.
754 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
755 outside of target flash.
756 (avr_asm_named_section): Ditto.
757 (avr_asm_select_section): Ditto.
758 (avr_addr_space_convert): Ditto.
759 (avr_emit_movmemhi): Ditto.
760 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
761 address space is outside of device flash.
762 (avr_insert_attributes): Ditto.
763 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
764 avr_current_arch->n_segments.
766 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
769 * config/i386/i386.md (*movabs<mode>_1): Enable only for
771 (*movabs<mode>_2): Likewise.
773 2012-02-27 Jakub Jelinek <jakub@redhat.com>
776 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
777 s_register_operand in the test instead of REG_P. Don't call
778 gen_reg_rtx if it won't be used.
780 PR tree-optimization/52376
781 * ipa-split.c (split_function): Ignore CLOBBER stmts.
783 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
785 * ifcvt.c (noce_get_condition): Check condition variable is not
786 small_register_classes_for_mode_p before accepting.
788 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
790 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
792 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
795 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
796 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
798 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
800 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
802 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
804 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
806 * config/sh/predicates.md: Remove blank lines.
807 * config/sh/sh.c: Fix typos in comments.
808 * config/sh/constraints.md: Likewise.
809 * config/sh/sh.md: Remove blank lines.
810 Fix typos in comments. Use ;; as comment characters.
812 2012-02-26 Walter Lee <walt@tilera.com>
814 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
815 (replace_mov_pcrel_step2): Ditto.
817 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
820 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
821 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
822 and locs that reference values newer than the non-canonical value
823 at hand. Return the canonical value as a worst case.
824 (memrefs_conflict_p): Walk canonical value's locs.
827 * cselib.c (preserve_only_constants): Rename to...
828 (preserve_constants_and_equivs): ... this. Split out...
829 (invariant_or_equiv_p): ... this. Preserve plus expressions
830 of other preserved expressions too.
831 (cselib_reset_table): Adjust.
832 * var-tracking.c (reverse_op): Use canonical value to build
835 2012-02-23 Kai Tietz <ktietz@redhat.com>
837 * config/i386/i386.c (ix86_delegitimize_address): Handle
838 UNSPEC_PCREL plus displacement.
840 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
843 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
844 to test for unusedness in st X addressing.
846 2012-02-24 Richard Guenther <rguenther@suse.de>
849 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
850 (is_gimple_reg_type): Move inline ...
851 * gimple.h (is_gimple_reg_type): ... here.
853 2012-02-24 Richard Guenther <rguenther@suse.de>
856 * passes.c (execute_function_todo): When verifying SSA form
857 verify gimple form first.
858 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
860 2012-02-24 Richard Guenther <rguenther@suse.de>
863 * fold-const.c (fold_addr_of_array_ref_difference): New function.
864 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
866 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
868 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
870 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
872 * tree-phinodes.c (make_phi_node): Mark static.
873 * tree-flow.h (make_phi_node): Remove extern decl.
874 * doc/gimple.texi (make_phi_node): Remove documentation.
876 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
878 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
879 * tree-ssa-sccvn.c (print_scc): Ditto.
881 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
883 * doc/passes.texi (Full redundancy elimination): Fix typo.
885 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
887 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
889 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
892 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
894 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
897 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
899 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
901 * config/avr/avr.md (code_stdname): Add ior, xor.
902 (xior): New code iterator.
903 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
904 (*<code_stdname><mode>qi.byte1-3): Ditto.
906 2012-02-23 Jakub Jelinek <jakub@redhat.com>
908 PR tree-optimization/52019
909 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
912 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
914 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
915 HAVE_INITFINI_ARRAY to work around namespace pollution in
916 certain versions of newlib system headers.
917 * config.in: Regenerate.
918 * configure: Regenerate.
919 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
920 instead of HAVE_INITFINI_ARRAY.
922 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
925 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
926 is not offsettable memory reference.
928 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
931 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
932 setting avr_need_clear_bss_p for __gnu_lto* symbols.
934 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
936 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
937 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
939 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
941 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
942 library on Solaris 8 even without TLS support.
943 * configure: Regenerate.
945 2012-02-22 Richard Guenther <rguenther@suse.de>
948 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
949 for GIMPLE_DEBUG stmts.
951 2012-02-22 Martin Jambor <mjambor@suse.cz>
954 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
955 according to the base object.
957 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
959 PR rtl-optimization/50063
960 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
961 and 2 (8-bit SP) in operand 2.
962 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
963 setup to use movhi_sp_r instead of vanilla move to write SP.
964 Adjust REG_CFA notes to superseed unspec.
965 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
967 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
968 known to be off) only with TARGET_NO_INTERRUPTS. Never use
969 irq_state 1 (IRQ known to be on) here.
971 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
973 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
975 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
976 assign_hard_reg): Likewise.
978 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
980 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
982 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
985 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
986 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
988 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
990 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
991 prototype from here to...
992 * config/avr/avr.h: ...here.
994 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
997 * thumb2.md (thumb2_shiftsi3_short): Split register and
998 immediate shifts. For register shifts tie operands 0 and 1.
999 (peephole2 for above): Check that register-controlled shifts
1000 have suitably tied operands.
1002 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1005 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1006 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1007 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1008 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1009 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1010 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1011 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1012 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1013 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1014 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1015 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1016 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1017 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1018 bdver1_ssevector_avx256_unaligned_load,
1019 bdver1_ssevector_sse128_unaligned_load,
1020 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1021 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1022 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1023 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1024 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1025 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1026 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1027 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1028 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1029 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1030 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1031 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1032 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1033 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1034 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1035 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1036 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1037 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1038 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1039 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1040 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1041 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1042 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1043 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1044 bdver1_ssediv_double_load, bdver1_ssediv_double,
1045 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1046 Add "bdver2" attribute.
1048 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1050 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1051 default if possible and not specified otherwise.
1053 2012-02-21 Richard Guenther <rguenther@suse.de>
1056 * gimplify.c (create_tmp_from_val): Use the main variant type
1057 for the type of the temporary we create.
1059 2012-02-21 Richard Guenther <rguenther@suse.de>
1061 PR tree-optimization/52324
1062 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1063 do not gimplify a MEM_REF address operand if it is already
1066 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1068 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1069 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1071 2012-02-21 Richard Guenther <rguenther@suse.de>
1073 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1074 nested_in_vect_loop.
1076 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1078 PR tree-optimization/52318
1079 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1080 vdef also to non-pure/const call stmts in the sequence.
1082 2012-02-20 David S. Miller <davem@davemloft.net>
1084 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1085 don't use the "rd %pc" instruction on v9 for PIC register loads.
1087 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1090 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1091 in a transaction safe function.
1093 2012-02-20 Kai Tietz <ktietz@redhat.com>
1096 * stor-layout.c (place_field): Handle desired_align for
1099 2012-02-20 Richard Guenther <rguenther@suse.de>
1101 PR tree-optimization/52298
1102 * tree-vect-stmts.c (vectorizable_store): Properly use
1103 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1105 (vectorizable_load): Likewise.
1106 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1107 Access DR_STEP after ensuring it is not NULL.
1109 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1111 PR tree-optimization/52286
1112 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1113 optimization use double_int_to_tree instead of build_int_cst_wide,
1114 rewrite to use double_int vars.
1116 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1119 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1121 Remove -e 0 from $gcc_cv_ld invocation.
1122 Only use __GLIBC_PREREQ if defined.
1123 Enable on Solaris since Solaris 8 patch.
1124 (gcc_SUN_LD_VERSION): New macro.
1125 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1126 gcc_SUN_LD_VERSION for version number format.
1127 * configure: Regenerate.
1128 * varasm.c (get_elf_initfini_array_priority_section): Set
1129 SECTION_NOTYPE for non-default priority.
1130 Use get_section instead of get_unnamed_section to emit
1131 .init_array/.fini_array with default priority.
1133 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1135 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1136 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1137 (mips_start_unique_function, mips_output_mips16_rdhwr)
1138 (mips_code_end): New functions.
1139 (TARGET_ASM_CODE_END): Define.
1141 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1143 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1144 to stubs with non-sibling calls.
1146 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1148 * doc/invoke.texi (-fira-* options): Copy-edit.
1149 (ira-* parameters): Copy-edit.
1151 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1153 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1154 GCC coding conventions.
1156 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1158 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1159 when used as adjectives.
1161 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1163 * doc/invoke.texi: Clean up "that"/"which" confusion.
1165 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1167 * system.h: Poison SMALL_REGISTER_CLASSES
1168 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1169 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1171 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1173 PR tree-optimization/52285
1174 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1175 when deciding if a call is a tail call or tail recursion.
1177 2012-02-16 Kai Tietz <ktietz@redhat.com>
1179 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1180 interger-constant displacement for UNSPEC_PCREL.
1182 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1184 PR rtl-optimization/52208
1185 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1186 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1188 PR tree-optimization/52255
1189 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1190 loop->header has virtual PHI, but exit_e->dest doesn't, add
1191 virtual PHI to exit_e->dest and adjust all uses after the loop.
1194 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1195 children with clone_tree_hash, not after it.
1197 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1199 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1200 extended identifiers.
1202 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1205 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1206 a same_body_alias, also test whether e->callee isn't a former
1207 or current clone of the decl this is a same body alias of.
1209 PR translation/52264
1210 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1212 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1214 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1216 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1219 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1220 force_reg instead of copy_to_reg for better optimization. Force
1221 non-register or memory operands into a register.
1223 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1225 * extend.texi: Reserve upper bits of memory model for future use.
1227 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1228 Anatoly Sokolov <aesok@post.ru>
1229 Eric Weddington <eric.weddington@atmel.com>
1232 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1233 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1234 Rewrite initializers for .macro.
1235 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1236 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1237 atxmega32d4, atxmega32x1.
1238 avrxmega4: atxmega64a3, atxmega64d3.
1239 avrxmega5: atxmega64a1, atxmega64a1u.
1240 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1241 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1242 avrxmega7: atxmega128a1, atxmega128a1u.
1243 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1244 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1245 (struct base_arch_s): Rename reserved to xmega_p.
1246 Rename reserved2 to have_rampd.
1247 (AVR_XMEGA): New define.
1248 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1249 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1250 * config/avr/predicates.md (io_address_operand): Take into
1252 (low_io_address_operand): Ditto.
1253 (high_io_address_operand): Ditto.
1254 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1255 (enabled, movhi_sp_r): Use them.
1256 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1257 cpp_define_formatted to built-in define __AVR_ARCH__.
1258 (__AVR_XMEGA__): New built-in define.
1259 (__AVR_HAVE_RAMPD__): New built-in define.
1260 (__AVR_HAVE_RAMPX__): New built-in define.
1261 (__AVR_HAVE_RAMPY__): New built-in define.
1262 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1264 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1265 (avr_option_override): Initialize them.
1266 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1267 (avr_init_expanders): Initialize them. No more block several calls.
1268 (emit_push_sfr): New static function.
1269 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1271 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1272 (avr_print_operand): Print addreeses as symbols for
1273 RAMPX, RAMPY, RAMPD, CCP.
1274 (output_movhi): Handle AVR_XMEGA when writing to SP.
1275 (avr_out_movhi_mr_r_xmega): New static function.
1276 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1277 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1278 __RAMPD__, __CCP__ as needed.
1280 * config/avr/multilib.h: Regenerate.
1281 * config/avr/t-multilib: Regenerate.
1282 * config/avr/avr-tables.opt: Regenerate.
1284 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1286 PR tree-optimization/50561
1287 * graphite-flattening.c (lst_project_loop): Do not
1288 remove old scattering dimensions after flattening.
1289 (lst_do_flatten): Likewise.
1291 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1293 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1294 __builtin_avr_map8, __builtin_avr_map16.
1295 Document __builtin_avr_insert_bits.
1297 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1298 (insert_bits): New insn.
1299 (adjust_len.map_bits): Rename to insert_bits.
1300 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1301 * avr-protos.h (avr_out_map_bits): Remove.
1302 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1303 * config/avr/constraints.md (Cxf,C0f): New.
1304 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1305 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1306 New built-in define __BUILTIN_AVR_INSERT_BITS.
1307 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1308 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1309 (avr_move_bits): Rewrite.
1310 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1312 (avr_map_op_t): New typedef.
1313 (avr_map_op): New static variable.
1314 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1315 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1316 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1317 (bdesc_3arg, avr_expand_triop_builtin): New.
1318 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1319 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1320 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1321 (avr_map_equal_p, avr_map_sig_p): Remove.
1322 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1323 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1324 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1325 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1326 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1327 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1329 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1331 * config/c6x/c6x.md (reserve_cycles): New attribute.
1332 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1333 don't reserve functional units after the branch occurs.
1335 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1338 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1339 functions into non-tm_pure functions.
1341 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1344 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1345 (iterative_hash_canonical_type): Likewise.
1346 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1349 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1351 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1352 sched-group insn, it either remains alone or the entire list is pruned.
1354 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1356 * doc/install.texi (Prerequisites): Fix grammar.
1357 (Configuration): Likewise.
1359 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1361 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1362 MPC as part of GCC before describing configuring with --with-gmp etc.
1363 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1364 sources are present.
1366 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1369 * dwarf2out.c (clone_tree_hash): New function.
1370 (copy_decls_walk): Use it instead of clone_tree.
1372 2012-02-14 Richard Guenther <rguenther@suse.de>
1374 PR tree-optimization/52244
1375 PR tree-optimization/51528
1376 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1377 replacements for integral types.
1379 2012-02-14 Walter Lee <walt@tilera.com>
1381 * config.gcc: Handle tilegx and tilepro.
1382 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1384 Add HAVE_AS_TLS check for tilegx and tilepro.
1385 * configure: Regenerate.
1386 * doc/contrib.texi: Add Mat Hostetter and self.
1387 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1388 Document instruction intrinsics and network accessing intrinsics.
1389 (TILEPro Built-in Functions): New node. Document instruction
1390 intrinsics and network accessing intrinsics.
1391 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1392 (Specific, tilepro-*-linux*): Likewise.
1393 * doc/invoke.texi (TILE-Gx Options): New section.
1394 (TILEPro Options): New section.
1395 * doc/md.texi (TILE-Gx): New section.
1396 (TILEPro): New section.
1397 * common/config/tilegx/tilegx-common.c: New file.
1398 * common/config/tilepro/tilepro-common.c: New file.
1399 * config/tilegx/constraints.md: New file.
1400 * config/tilegx/linux.h: New file.
1401 * config/tilegx/mul-tables.c: New file.
1402 * config/tilegx/predicates.md: New file.
1403 * config/tilegx/sync.md: New file.
1404 * config/tilegx/t-tilegx: New file.
1405 * config/tilegx/tilegx-builtins.h: New file.
1406 * config/tilegx/tilegx-c.c: New file.
1407 * config/tilegx/tilegx-generic.md: New file.
1408 * config/tilegx/tilegx-modes.def: New file.
1409 * config/tilegx/tilegx-multiply.h: New file.
1410 * config/tilegx/tilegx-protos.h: New file.
1411 * config/tilegx/tilegx.c: New file.
1412 * config/tilegx/tilegx.h: New file.
1413 * config/tilegx/tilegx.md: New file.
1414 * config/tilegx/tilegx.opt: New file.
1415 * config/tilepro/constraints.md: New file.
1416 * config/tilepro/gen-mul-tables.cc: New file.
1417 * config/tilepro/linux.h: New file.
1418 * config/tilepro/mul-tables.c: New file.
1419 * config/tilepro/predicates.md: New file.
1420 * config/tilepro/t-tilepro: New file.
1421 * config/tilepro/tilepro-builtins.h: New file.
1422 * config/tilepro/tilepro-c.c: New file.
1423 * config/tilepro/tilepro-generic.md: New file.
1424 * config/tilepro/tilepro-modes.def: New file.
1425 * config/tilepro/tilepro-multiply.h: New file.
1426 * config/tilepro/tilepro-protos.h: New file.
1427 * config/tilepro/tilepro.c: New file.
1428 * config/tilepro/tilepro.h: New file.
1429 * config/tilepro/tilepro.md: New file.
1430 * config/tilepro/tilepro.opt: New file.
1432 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1434 PR tree-optimization/52210
1435 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1436 vect_model_simple_cost with two entry vect_def_type array instead
1437 of an address of dt.
1439 2012-02-14 Richard Guenther <rguenther@suse.de>
1442 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1443 Do not stream DECL_QUALIFIER.
1444 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1445 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1446 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1448 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1451 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1454 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1457 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1458 * cselib.c (cselib_subst_to_values_from_insn): New function.
1459 * sched-deps.c (add_insn_mem_dependence,
1460 sched_analyze_1, sched_analyze_2): Use it.
1462 2012-02-13 Jan Hubicka <jh@suse.cz>
1465 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1467 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1469 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1470 (GTM_SELF_SPECS): Define if not already defined.
1471 (driver_self_specs): Add GTM_SELF_SPECS.
1472 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1473 (GTM_SELF_SPECS): Define.
1474 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1475 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1477 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1479 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1482 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1485 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1486 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1488 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1491 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1493 2012-02-13 Richard Guenther <rguenther@suse.de>
1495 PR translation/52211
1496 * passes.c (enable_disable_pass): Fix typo.
1498 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1501 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1502 XOR for reduce_bit_field if type is unsigned.
1504 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1506 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1507 disallow changes from SFmode to mode with different size in FP regs.
1509 2012-02-12 Robert Millan <rmh@gnu.org>
1510 Gerald Pfeifer <gerald@pfeifer.com>
1512 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1515 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1517 PR rtl-optimization/52175
1518 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1519 to frame-related instructions.
1521 2012-02-10 Jason Merrill <jason@redhat.com>
1524 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1525 (demangle_new_symbols): Fill it.
1526 (scan_linker_output): Walk it.
1527 (start_tweaking): Split out from scan_linker_output.
1528 (maybe_tweak): Update sym->chosen.
1529 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1531 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1534 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1536 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1538 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1539 having the same mode as previous compare.
1541 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1543 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1544 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1545 (nonlocal_goto_internal): Likewise.
1546 (nonlocal_goto): Emit a use and an indirect jump directly.
1548 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1551 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1552 __atomic_{is,always}_lock_free.
1554 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1557 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1558 negative constant address for x32.
1560 2012-02-10 Richard Henderson <rth@redhat.com>
1562 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1563 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1564 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1566 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1567 Ira Rosen <irar@il.ibm.com>
1569 PR tree-optimization/50031
1570 * targhooks.c (default_builtin_vectorization_cost): Handle
1572 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1573 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1574 all types of reduction and pattern statements.
1575 (vect_estimate_min_profitable_iters): Likewise.
1576 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1577 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1578 for explicit realigns.
1579 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1580 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1582 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1583 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1584 vec_perm for VSX and handle vec_promote_demote.
1586 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1589 * builtins.c (fold_builtin_atomic_always_lock_free,
1590 expand_builtin_atomic_always_lock_free,
1591 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1592 Return and/or test boolean_true_node/boolean_false_node instead of
1593 integer_one_node/integer_zero_node.
1595 2012-02-10 Jan Hubicka <jh@suse.cz>
1598 * predict.c (predict_paths_for_bb): Prevent looping.
1599 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1601 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1603 * config/arm/arm.c (output_move_double): In one case properly
1604 count number of instructions that will be emitted.
1606 2012-02-10 Richard Guenther <rguenther@suse.de>
1608 PR translation/52193
1609 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1611 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1614 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1616 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1619 * var-tracking.c (emit_note_insn_var_location): If
1620 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1621 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1622 non-NOTE_DURING_CALL_P insn.
1624 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1627 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1629 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1632 * gcc.c (switch_matches) Support switches with separated form,
1635 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1637 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1639 (RAMPZ_ADDR): Ditto.
1640 * config/avr/avr.c (avr_addr_t): New typedef.
1641 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1642 (avr_init_expanders): Initialize it.
1643 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1645 (expand_epilogue): Ditto.
1646 (avr_print_operand): Ditto.
1647 (avr_file_start): Ditto.
1648 (avr_emit_movmemhi): Ditto.
1650 2012-02-08 Richard Guenther <rguenther@suse.de>
1652 PR tree-optimization/46886
1653 * tree-flow.h (do_while_loop_p): Declare.
1654 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1655 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1657 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1659 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1660 always succeed for integers larger than a native word.
1662 2012-02-08 Richard Guenther <rguenther@suse.de>
1664 PR rtl-optimization/52170
1665 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1666 properly handle integer vector modes.
1668 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1670 PR gcov-profile/52150
1671 * coverage.c: Include target.h.
1672 (build_var): Call targetm.strip_name_encoding on the assembler name.
1673 Change one _ into . or $ if the target allows it.
1674 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1676 PR rtl-optimization/52139
1677 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1678 is a BARRIER after emit_insn_after_noloc, move BB_END
1679 to the last non-BARRIER insn before it.
1681 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1684 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1685 (mips_gimplify_va_arg_expr): Call it instead of
1686 std_gimplify_va_arg_expr.
1688 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1690 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1691 message for -mno-pointers-to-nested-function.
1693 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1696 * expr.c (get_inner_reference): If there is an offset, add a negative
1697 bit position to it (if any).
1699 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1701 PR rtl-optimization/52060
1702 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1703 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1704 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1705 and/or i0src_copy2 when needed.
1707 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1709 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1710 or LTOPLUGINSONAME if have_c.
1712 * config/freebsd-spec.h: Add comment about what macros can be defined
1714 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1715 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1718 2012-02-07 Richard Guenther <rguenther@suse.de>
1720 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1721 newline in -alias dumps.
1723 2012-02-07 Kai Tietz <ktietz@redhat.com>
1724 Dave Korn <dave.korn.cygwin@gmail.com>
1727 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1728 Take care that typinfo gets dllexport-attribute.
1730 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1733 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1734 if modifier < EXPAND_SUM call force_operand on the result.
1736 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1738 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1739 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1741 (epiphany_function_type): Replace types for specific interrupts with
1742 EPIPHANY_FUNCTION_INTERRUPT.
1743 (EPIPHANY_INTERRUPT_P): Update.
1744 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1745 New static function.
1746 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1747 <disinterrupt>: Affects type identity.
1748 (epiphany_handle_interrupt_attribute): Handle variable number of
1750 (epiphany_compute_function_type): Update for new
1751 epiphany_function_type definition.
1752 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1753 handlers with a longcall forwarder.
1754 (epiphany_start_function): Handle multiple interrupt arguments and/or
1755 forwarder_section attribute.
1757 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1760 2012-02-07 Alan Modra <amodra@gmail.com>
1763 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1766 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1768 PR tree-optimization/50969
1769 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1770 use vec_perm rather than vector_stmt.
1771 (vect_model_load_cost): Likewise.
1772 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1773 vec_perm to be the same as other vector statements.
1774 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1775 cost of vec_perm for TARGET_VSX.
1777 2012-02-06 Richard Guenther <rguenther@suse.de>
1779 PR tree-optimization/52115
1780 * tree-sra.c (access_has_replacements_p): New function.
1781 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1783 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1786 * trans-mem.c (expand_call_tm): Add an assertion.
1787 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1790 2012-02-06 Richard Guenther <rguenther@suse.de>
1792 PR tree-optimization/50955
1793 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1794 raise cost of expressions that replace an address with an
1795 expression based on a different pointer.
1797 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1800 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1801 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1803 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1806 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1807 -Weffc++ and specify guidelines come from second edition.
1809 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1811 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1812 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1813 (call_direct_split, call_value_split, call_value_internal_direct)
1814 (call_value_direct_split, call_value_multiple_split): Use jal and
1815 jal_macro attributes.
1817 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1819 * reload1.c (reload_regs_reach_end_p): Replace with...
1820 (reload_reg_rtx_reaches_end_p): ...this function.
1821 (new_spill_reg_store): Update commentary.
1822 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1823 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1824 before setting new_spill_reg_store.
1825 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1826 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1827 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1828 for non-spill reload registers.
1830 2012-02-05 Ira Rosen <irar@il.ibm.com>
1832 PR tree-optimization/52091
1833 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1834 (vect_is_simple_use_1): Likewise.
1835 * tree-vect-loop.c (vectorizable_reduction): Update calls
1836 to vect_is_simple_use_1 and vect_is_simple_use.
1837 (vectorizable_live_operation): Likewise.
1838 * tree-vect-patterns.c (widened_name_p,
1839 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1840 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1841 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1842 vectorizable_shift,vectorizable_operation, vectorizable_store,
1843 vectorizable_load): Likewise.
1844 (vect_is_simple_cond): Add an argument, pass it to
1845 vect_is_simple_use_1.
1846 (vectorizable_condition): Update calls to vect_is_simple_cond,
1848 (vect_is_simple_use): Add an argument, the statement in which
1849 OPERAND is used. Check that if OPERAND's def stmt is a double
1850 reduction phi node, the use is a phi node too.
1851 (vect_is_simple_use_1): Add an argument, pass it to
1853 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1854 to vect_is_simple_use.
1856 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1858 PR rtl-optimization/52095
1859 * modulo-sched.c (dump_insn_locator): New function.
1860 (loop_canon_p, sms_schedule): Use it.
1862 PR rtl-optimization/52113
1863 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1864 even for decomposable shift/zext insns.
1866 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1867 Zdenek Dvorak <ook@ucw.cz>
1869 PR rtl-optimization/52092
1870 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1871 on get_iv_value result.
1873 2012-02-02 Andrew Pinski <apinski@cavium.com>
1877 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1879 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1882 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1884 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1886 PR rtl-optimization/49800
1887 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1888 (sched_finish): Call regstat_free_n_sets_and_refs.
1890 2012-02-02 Jia Liu <proljc@gmail.com>
1892 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1895 2012-02-02 Jan Hubicka <jh@suse.cz>
1896 Tom de Vries <tom@codesourcery.com>
1899 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1900 * varpool.c (varpool_analyze_pending_decls): Likewise.
1902 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1903 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1905 * config.gcc: Add cr16-* support.
1907 * doc/extend.texi: Document cr16 extensions.
1908 * doc/install.texi: Document cr16 install.
1909 * doc/invoke.texi: Document cr16 options.
1910 * doc/md.texi: Document cr16 constraints.
1912 * common/config/cr16/cr16-common.c: New file.
1913 * config/cr16/cr16.c: New file.
1914 * config/cr16/cr16.h: New file.
1915 * config/cr16/cr16.md: New file.
1916 * config/cr16/cr16.opt: New file.
1917 * config/cr16/cr16-protos.h: New file.
1918 * config/cr16/predicates.md: New file.
1919 * config/cr16/constraints.md: New file.
1920 * config/cr16/t-cr16: New file.
1922 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1925 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1926 that operands[2] is either immediate, or q_regs_operand.
1928 PR tree-optimization/52073
1929 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1930 a pattern stmt for pattern uses, ignore uses outside of the loop.
1932 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1934 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1935 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1936 (OUT_AS1, OUT_AS2): Remove.
1938 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1940 PR rtl-optimization/51374
1941 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1942 to cross other volatile_refs_p insns.
1944 2012-02-01 Richard Guenther <rguenther@suse.de>
1946 * doc/invoke.texi (fno-inline): Clarify documentation.
1947 (finline-small-functions): Likewise.
1948 (finline-functions): Likewise.
1949 * common.opt (finline): Adjust comment and documentation.
1950 (finline-small-functions): Clarify documentation.
1951 (finline-functions): Likewise.
1952 (finline-functions-called-once): Likewise.
1954 2012-02-01 Tristan Gingold <gingold@adacore.com>
1956 * c-typeck.c (composite_type): Keep mode for pointers.
1958 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1960 * function.h (regno_reg_rtx): Adjust comment.
1961 * reginfo.c (init_reg_modes_target): Only use the previous mode
1962 if it fits within one register. Remove MIPS comment.
1964 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1967 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1969 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1971 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1972 to srak instruction.
1974 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1976 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1978 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1983 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1985 2012-01-31 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/51528
1988 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1991 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1996 * ree.c (add_removable_extension): Change def_map argument
1997 to unsigned *, store in def_map 1 + offset into *insn_list vector
1998 instead of pointers into the vector.
1999 (find_removable_extensions): Adjust caller.
2001 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2003 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2004 Transform all "* quoted-c-code" to { c-code }.
2005 Remove redundant test for "optimize" in combine patterns.
2006 Move (include "avr-dimode.md") to end of file.
2008 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2011 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2012 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2014 2012-01-30 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/52028
2017 * tree-loop-distribution.c (ldist_gen): Properly update
2020 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2023 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2024 set_cur_line_info_table if not emitting debug info.
2026 PR tree-optimization/52046
2027 * tree-vect-patterns.c (check_bool_pattern): Give up if
2028 a comparison could throw.
2031 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2033 2012-01-30 Richard Guenther <rguenther@suse.de>
2035 PR tree-optimization/52045
2036 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2037 SSA form if cfgcleanup did anything.
2039 2012-01-30 Richard Guenther <rguenther@suse.de>
2041 PR tree-optimization/52045
2042 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2043 before computing final todo.
2045 2012-01-30 Richard Guenther <rguenther@suse.de>
2047 PR tree-optimization/51528
2048 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2051 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2053 * df-problems.c (df_kill_notes): Check that the use refers
2054 to the note under examination.
2056 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2059 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2060 parameter and use short-lived pseudos.
2061 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2062 (sparc_expand_vector_init): Const-ify local variables and adjust
2063 calls to above functions.
2065 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2067 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2069 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2071 * doc/invoke.texi: Make usage of "compile time" and
2072 "run time"/"runtime" consistent throughout the file.
2074 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2076 * config/alpha/alpha.c (alpha_option_override): Default to
2077 full IEEE compliance mode for Go language.
2079 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2081 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2082 (LINK_SSP_SPEC): Define.
2084 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2087 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2090 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2092 * doc/invoke.texi: Correct hyphenation of "floating point",
2093 "double precision", and related terminology throughout the file.
2095 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2098 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2099 arm_general_register_operand predicate for operand 2 instead of
2102 2012-01-27 Ian Lance Taylor <iant@google.com>
2105 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2106 * builtins.c (expand_builtin_init_trampoline): Add onstack
2107 parameter. Change caller.
2108 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2109 * tree.c (build_common_builtin_nodes): Declare
2110 __builtin_init_heap_trampoline.
2112 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2114 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2115 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2116 * config/avr/avr.c: Ditto.
2117 (avr_regnames): Remove because unused.
2118 * config/avr/avr.md (*cpse.ne): New peephole.
2119 (*cpse.eq): New peephole from former cpse peepholes.
2121 2012-01-27 Michael Eager <eager@eagercon.com>
2123 * config/microblaze.c (microblaze_emit_compare): Correct
2124 test after pcmp instruction.
2126 2012-01-27 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/52020
2129 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2131 2012-01-27 Richard Guenther <rguenther@suse.de>
2133 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2134 function non-const/pure.
2136 2012-01-27 Richard Guenther <rguenther@suse.de>
2138 PR tree-optimization/50444
2139 * tree-sra.c (build_ref_for_offset): Properly adjust the
2140 MEM_REF type for unaligned accesses.
2142 2012-01-27 Richard Guenther <rguenther@suse.de>
2144 PR tree-optimization/50444
2145 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2146 (expand_assignment): Use it. Properly handle misaligned
2147 bases when expanding stores to component references.
2148 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2151 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2154 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2155 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2156 * tree-data-ref.c (find_data_references_in_loop): Make static.
2157 (compute_all_dependences): Change return type to bool. Bail out
2158 for too many datarefs in a loop. Move the hunk resetting the data
2159 dependences vector from ...
2160 (compute_data_dependences_for_loop): ... here. Account for
2161 compute_all_dependences returning false.
2162 (compute_data_dependences_for_bb): Likewise.
2163 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2164 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2166 2012-01-27 Richard Guenther <rguenther@suse.de>
2169 * expr.c (store_field): Use the alias-set of the scratch memory
2172 2012-01-27 Tom de Vries <tom@codesourcery.com>
2174 PR tree-optimization/51990
2175 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2177 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2179 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2182 * var-tracking.c (reverse_op): Don't add any reverse operation
2183 if V already has any constant locations.
2185 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2187 * doc/invoke.texi: Correct usage of "command line" (noun)
2188 vs "command-line" (adjective) throughout.
2190 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2192 * doc/invoke.texi (Language Independent Options): Move
2193 -Wcoverage-mismatch blurb from here....
2194 (Warning Options): ...to here.
2196 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2198 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2199 Set rs6000_always_hint to false for 476.
2201 2012-01-27 Matthias Klose <doko@ubuntu.com>
2203 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2205 * incpath.c (add_standard_paths): Likewise.
2207 2012-01-27 Richard Henderson <rth@redhat.com>
2209 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2210 * config/m68k/sync.md (atomic_test_and_set): Rename from
2211 sync_test_and_setqi and adjust the operands.
2212 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2213 and unconditionally enable.
2215 2012-01-27 Richard Henderson <rth@redhat.com>
2217 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2218 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2219 (ldstub): Rename from ldstubqi.
2220 (ldstub<I24MODE>): Remove.
2222 2012-01-27 Richard Henderson <rth@redhat.com>
2224 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2225 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2226 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2227 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2228 * doc/tm.texi: Rebuild.
2230 2012-01-27 Richard Henderson <rth@redhat.com>
2232 * optabs.c (gen_atomic_test_and_set): Remove default.
2233 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2235 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2237 PR rtl-optimization/51978
2238 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2239 (combine_reaching_defs): Likewise.
2240 (struct re_info): Remove.
2241 (add_removable_extension): Remove x and data arguments,
2242 add insn, insn_list and def_map. Use the arguments directly
2243 instead of using struct re_info.
2244 (find_removable_extensions): Don't call add_removable_extension
2245 through note_stores, instead just call it with single_set
2247 (find_and_remove_re): Pass curr_cand->expr instead of
2248 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2250 2012-01-26 Michael Matz <matz@suse.de>
2252 PR tree-optimization/46590
2253 * cfgexpand.c: Revert last change (r183305).
2254 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2256 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2257 checking for emptiness.
2259 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2262 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2263 non-addressable non-BLKmode base correctly.
2265 2012-01-26 Michael Matz <matz@suse.de>
2267 PR tree-optimization/48794
2268 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2269 regions referenced from RESX/EH_DISPATCH.
2271 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2273 * config/s390/s390.h: Make BRANCH_COST an option.
2274 * config/s390/s390.opt: New option -mbranch-cost.
2276 2012-01-26 Richard Henderson <rth@redhat.com>
2278 Revert 2012-01-24 change:
2279 * trans-mem.c (requires_barrier): Do not instrument thread local
2280 variables and emit save/restore for them.
2282 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2285 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2288 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2290 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2293 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2296 Rename __pgm to __flash.
2297 Rename __pgm1 to __flash1.
2298 Rename __pgm2 to __flash2.
2299 Rename __pgm3 to __flash3.
2300 Rename __pgm4 to __flash4.
2301 Rename __pgm5 to __flash5.
2302 Rename __pgmx to __memx.
2303 * doc/extend.texi (AVR Named Address Spaces)
2304 Rename address space names as indicated above.
2305 * config/avr/avr.c (avr_addrspace): Ditto.
2307 * config/avr/avr-protos.h
2308 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2309 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2310 * config/avr/predicates.md: Ditto.
2311 * config/avr/avr.c Ditto, and
2312 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2313 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2315 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2316 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2317 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2318 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2319 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2320 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2321 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2322 * config/avr/avr.c: Ditto.
2323 * config/avr/avr.md: Ditto.
2325 2012-01-25 Jason Merrill <jason@redhat.com>
2328 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2330 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2332 PR tree-optimization/51987
2333 * tree-data-ref.c (get_references_in_stmt): Handle references in
2334 non-volatile GIMPLE_ASM.
2336 2012-01-25 Richard Guenther <rguenther@suse.de>
2338 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2339 bases are dereferenced.
2341 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2343 PR rtl-optimization/48374
2344 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2346 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2348 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2349 compute_data_dependences_for_loop returns false.
2350 * tree-parloops.c (loop_parallel_p): Likewise.
2352 2012-01-25 Richard Guenther <rguenther@suse.de>
2354 * tree.h (get_pointer_alignment_1): Declare.
2355 * builtins.c (get_pointer_alignment_1): New function.
2356 (get_pointer_alignment): Use it.
2358 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2360 PR rtl-optimization/48308
2361 * combine.c (enum undo_kind): Add UNDO_LINKS.
2362 (struct undo): Add member l to other_contents and where.
2363 (do_SUBST_LINK): New.
2365 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2366 (undo_all): Handle UNDO_LINKS.
2368 2012-01-25 Richard Henderson <rth@redhat.com>
2370 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2373 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2375 * optabs.c (gen_atomic_test_and_set): Use each argument.
2377 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2379 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2380 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2381 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2382 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2383 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2384 TARGET_PAIRED_SINGLE_FLOAT.
2386 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2388 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2389 (in_struct, return_val): Remove MEM documentation.
2390 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2391 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2392 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2394 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2395 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2396 * expr.c (store_field): Likewise.
2397 * function.c (assign_stack_temp_for_type): Likewise.
2398 * ifcvt.c (noce_try_cmove_arith): Likewise.
2399 * reload1.c (reload): Likewise.
2400 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2401 (alpha_set_memflags): Likewise.
2402 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2404 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2406 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2408 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2409 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2410 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2412 * cselib.c (cselib_rtx_varies_p): Delete.
2413 (cselib_invalidate_mem): Update call to canon_true_dependence.
2414 * dse.c (record_store, check_mem_read_rtx): Likewise.
2415 (scan_reads_nospill): Likewise.
2416 * cse.c (check_dependence): Likewise.
2417 (cse_rtx_varies_p): Delete.
2418 * expr.c (safe_from_p): Update call to true_dependence.
2419 * ira.c (validate_equiv_mem_from_store): Likewise.
2420 (memref_referenced_p): Likewise.
2421 * postreload-gcse.c (find_mem_conflicts): Likewise.
2422 * sched-deps.c (sched_analyze_2): Likewise.
2423 * store-motion.c (load_kills_store): Likewise.
2424 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2425 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2426 (compute_transp): Update call to canon_true_dependence.
2428 2012-01-25 Richard Henderson <rth@redhat.com>
2430 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2431 (maybe_emit_atomic_test_and_set): New.
2432 (expand_sync_lock_test_and_set): Use it.
2433 (expand_atomic_test_and_set): Likewise.
2434 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2435 the implementation; clarify implementation defined details.
2436 * doc/md.texi (atomic_test_and_set): Document.
2438 2012-01-25 Richard Henderson <rth@redhat.com>
2440 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2442 2012-01-25 Richard Henderson <rth@redhat.com>
2445 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2446 to effect no-op split.
2448 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2451 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2452 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2453 (BT_FN_VOID_PTR_INT_SIZE): New.
2454 (BT_FN_UINT_UINT_VAR): Remove.
2455 (BT_FN_UINT32_UINT32_VAR): New.
2456 (BT_FN_DOUBLE_VPTR): Remove.
2457 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2459 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2460 (_ITM_changeTransactionMode): Same.
2461 (_ITM_memmoveRtWt): Change return type to void.
2462 (_ITM_memcpyRtWt): Same.
2463 (_ITM_memsetW): Same.
2464 (_ITM_RaRD): Change types to double.
2469 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2471 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2472 Patrick Marlier <patrick.marlier@gmail.com>
2474 * trans-mem.c (requires_barrier): Do not instrument thread local
2475 variables and emit save/restore for them.
2477 2012-01-24 Jason Merrill <jason@redhat.com>
2480 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2481 output static aliases.
2483 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2486 * common.opt (-pie, -shared, pie, shared): Change from Common to
2488 * gcc.c (display_help): Display help for -pie and -shared.
2490 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2493 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2494 Remove note on size/offset limitation.
2495 (AVR Variable Attributes): Add example how to read data located
2496 with progmem. Refer to named address spaces.
2497 * doc/invoke.texi (AVR Options): Fix typo.
2499 2012-01-24 Richard Guenther <rguenther@suse.de>
2501 Forward-port to trunk
2502 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2505 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2506 op0 isn't sufficiently aligned and there is movmisalignM
2507 insn for mode, use it to load op0 into a temporary register.
2509 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2512 * target.def (const_not_ok_for_debug_p): New hook.
2513 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2515 * doc/tm.texi: Regenerated.
2516 * dwarf2out.c (const_ok_for_output_1): If
2517 targetm.const_not_ok_for_debug_p returns true, fail.
2518 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2520 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2522 2012-01-23 Kai Tietz <ktietz@redhat.com>
2525 * config/i386/predicates.md (symbolic_operand): Allow
2526 UNSPEC_PCREL as PIC expression for lea.
2527 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2528 * config/i386/i386.c (ix86_delegitimize_address): Handle
2529 UNSPEC_PCREL for none-MEM, too.
2531 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2533 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2534 (ipa_tm_create_version_alias): Same.
2536 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2539 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2540 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2542 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2543 Patrick Marlier <patrick.marlier@gmail.com>
2544 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2547 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2548 simple_object_start_read.
2550 2012-01-23 Richard Guenther <rguenther@suse.de>
2553 PR tree-optimization/51895
2554 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2555 parameter decomposition into BLKmode components.
2557 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2559 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2560 fake variables for restrict-qualified pointers whose pointed-to type
2561 contains a placeholder.
2563 2012-01-23 Richard Guenther <rguenther@suse.de>
2565 PR tree-optimization/51949
2566 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2568 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2570 PR rtl-optimization/51933
2571 * ree.c (transform_ifelse): Return true right away if dstreg is
2572 already wider or equal to cand->mode.
2573 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2574 (make_defs_and_copies_lists): Remove defs_list and copies_list
2575 arguments, add state argument, just truncate state->work_list
2576 instead of always allocating and freeing the vector. Assert that
2577 get_defs succeeds instead of returning 2. Changed return type to bool.
2578 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2579 have ext_src_mode, see if it has been modified already with the
2580 right kind of extension and has been extended before from the
2581 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2582 just return true. Remember the original mode in state->modified array.
2583 (combine_reaching_defs): Add state argument. Don't allocate and
2584 free here def_list, copied_list and vec vectors, instead just
2585 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2586 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2587 Add state variable, clear vectors in it, initialize state.modified
2588 if needed. Free all the vectors at the end and state.modified too.
2589 Don't skip a candidate if the extension expression has been modified.
2591 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2594 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2595 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2596 (extra_options) interix.opt -> i386/interix.opt"
2597 (extra_objs):Add winnt-stubs.o
2598 * configure.ac: Add interix to target_os .comm on PE check.
2599 * configure: Regenerate.
2600 * config/interix3.h: Delete and move bits to..
2601 * config/interix.h: Delete and move bits to..
2602 * config/i386/i386-interix3.h: Delete and move bits to..
2603 * config/i386/i386-interix.h: ..here.
2604 (TARGET_CPU_DEFAULT): Remove redefinition.
2605 (TARGET_ASM_CONSTRUCTOR): Undefine.
2606 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2607 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2608 (PTRDIFF_TYPE): Define.
2609 (LONG_DOUBLE_TYPE_SIZE): Define.
2610 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2611 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2612 (TARGET_SECTION_TYPE_FLAGS): Define.
2613 (ASM_DECLARE_FUNCTION_NAME): Define.
2614 (ASM_OUTPUT_EXTERNAL): Define.
2615 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2616 (ASM_OUTPUT_ALIGNED_BSS): Define.
2617 (PCC_BITFIELD_TYPE_MATTERS): Define.
2618 (USE_CONST_SECTION): Define.
2619 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2620 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2621 (SUPPORTS_ONE_ONLY): Remove.
2622 (I386_PE_STRIP_ENCODING): Define.
2623 * config/interix.opt: Delete and move bits to..
2624 * config/i386/interix.opt: ..here. New.
2625 (mpe-aligned-commons): Add.
2626 * config/i386/t-interix: Add copyright header.
2627 (winnt-stubs.o): Add rule.
2629 2012-01-22 Jason Merrill <jason@redhat.com>
2632 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2633 for extra name aliases.
2635 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2637 PR rtl-optimization/51924
2638 * ree.c (combine_set_extension): Improve debugging message.
2639 (combine_reaching_defs): Likewise.
2640 (get_defs): Rename confusingly named variable.
2641 (find_and_remove_re): Skip a candidate if the extension expression has
2644 2012-01-21 Robert Millan <rmh@gnu.org>
2645 Gerald Pfeifer <gerald@pfeifer.com>
2647 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2648 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2650 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2652 PR tree-optimization/51914
2653 * tree-vect-stmts.c (vectorizable_conversion): For
2654 cvt_type && modifier == WIDEN, put temporary with cvt_type
2655 at the beginning of vec_dsts and set vec_dest to temporary
2658 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2660 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2662 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2664 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2665 * config/rs6000/rs6000.c: Likewise.
2667 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2670 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2671 output_move_double on a copy of operands array.
2673 2012-01-20 Cary Coutant <ccoutant@google.com>
2674 Dodji Seketeli <dodji@redhat.com>
2677 * dwarf2out.c (copy_declaration_context): Return ref to parent
2678 of declaration DIE, if necessary.
2679 (remove_child_or_replace_with_skeleton): Add new parameter; update
2680 caller. Place skeleton DIE under parent DIE of original declaration.
2681 Move call to copy_declaration_context to here ...
2682 (break_out_comdat_types): ... from here.
2684 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2686 PR rtl-optimization/51856
2687 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2690 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2693 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2694 hints for neon loads and stores.
2696 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2700 * doc/extend.texi (Named Address Spaces): Split into subsections.
2701 (AVR Named Address Spaces): New subsection.
2702 (M32C Named Address Spaces): New subsection.
2703 (RL78 Named Address Spaces): New subsection.
2704 (SPU Named Address Spaces): New subsection.
2705 (Variable Attributes): New anchor "AVR Variable Attributes".
2706 (AVR Variable Attributes): Rewrite and avoid wording
2707 "address space" in this context.
2708 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2709 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2710 (AVR Built-in Macros): New subsubsection therein.
2711 * doc/md.texi (AVR constraints): Remove "C04", "R".
2713 2012-01-20 Richard Guenther <rguenther@suse.de>
2715 PR tree-optimization/51903
2716 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2717 when removing stmts.
2719 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2722 * config/arm/arm.c (arm_load_pic_register): Use
2723 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2724 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2725 (arm_pic_static_addr): Likewise.
2726 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2727 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2728 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2729 (pic_load_addr_unified): New.
2731 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2734 * function.c (instantiate_virtual_regs_in_insn): Use
2735 delete_insn_and_edges when removing a wrong asm insn.
2737 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2739 PR rtl-optimization/40761
2740 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2741 Add new member loop_num.
2742 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2743 (ira_build): Remove the parameter.
2745 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2746 (ira.c): Do not build CFG loops for one region allocation. Remove
2747 argument from ira_build call.
2749 * ira-build.c (init_loop_tree_node): New function.
2750 (create_loop_tree_nodes): Use it. Separate the case when CFG
2751 loops are not built.
2752 (more_one_region_p): Check current_loops.
2753 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2755 (add_loop_to_tree): Process loop equal to NULL too.
2756 (form_loop_tree): Separate the case when CFG loops are not built.
2757 Use explicitly number for the root.
2758 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2760 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2761 instead of loop->num.
2762 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2763 (mark_all_loops_for_removal): Ditto.
2764 (remove_unnecessary_regions): Separate the case when CFG loops
2766 (ira_build): Remove the parameter. Use explicit number of regions
2767 when CFG loops are not built.
2769 * ira-color.c (print_loop_title): Separate the case for the root node.
2770 Use loop_num instead of loop->num.
2771 (move_spill_restore): Use loop_num instead of loop->num.
2773 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2774 (change_loop): Ditto.
2775 (change_loop): Use loop_num instead of loop->num.
2777 * ira-lives.c (process_bb_node_lives): Ditto.
2779 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2781 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2783 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2786 * tree-mudflap.c (mf_artificial): New function.
2787 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2788 mx_register_decls, mudflap_enqueue_decl): Use it.
2791 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2792 numbers in the insn pattern.
2794 2012-01-19 Michael Matz <matz@suse.de>
2796 PR tree-optimization/46590
2797 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2798 use it in remembering which conflicts we already created.
2799 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2802 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2805 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2806 (merge_and_complain): Same.
2808 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2811 * config/initfini-array.h: Guard content of the header
2812 with #ifdef HAVE_INITFINI_ARRAY.
2813 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2814 Add initfini-array.h to tm_file here.
2815 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2816 * config.gcc: Don't add initfini-array.h to tm_file here.
2817 * configure: Regenerated.
2819 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2821 PR rtl-optimization/51505
2822 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2823 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2824 (df_note_bb_compute): Update the call to df_kill_notes.
2826 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2828 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2830 2012-01-18 Richard Guenther <rguenther@suse.de>
2832 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2833 of conversions to void *.
2835 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2836 Richard Sandiford <rdsandiford@googlemail.com>
2840 * optabs.h (simplify_expand_binop): Declare.
2841 * optabs.c (simplify_expand_binop): Make global.
2842 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2843 endian targets if the source cannot be exactly covered by word
2846 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2849 * hard-reg-set.h (struct hard_reg_set_container): New type.
2850 * target.h (struct hard_reg_set_container): Forward declare.
2851 * target.def (set_up_by_prologue): New target hook.
2852 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2853 * doc/tm.texi: Regenerated.
2854 * function.c (thread_prologue_and_epilogue_insns): Change
2855 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2856 Call targetm.set_up_by_prologue on it.
2857 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2858 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2860 2012-01-17 Nick Clifton <nickc@redhat.com>
2862 * config/rx/rx.c (rx_can_use_simple_return): New function.
2863 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2864 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2866 2012-01-17 Richard Guenther <rguenther@suse.de>
2869 * expr.c (expand_assignment): Take address-space information
2870 from the address operand of MEM_REF and TARGET_MEM_REF.
2871 (expand_expr_real_1): Likewise.
2873 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2875 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2876 reload dump is requested.
2878 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2881 * trans-mem.c (requires_barrier): Call may_be_aliased.
2883 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2885 PR tree-optimization/51877
2886 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2887 call arguments and fndecls compare equal, instead return false if they
2888 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2889 both SSA_NAMEs that are valueized the same, or they satisfy
2892 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2894 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2896 * configure: Regenerate.
2898 2012-01-16 Jan Hubicka <jh@suse.cz>
2902 * convert.c (convert_to_integer): Use fold_convert for
2903 converting an INTEGER_CST to integer type.
2905 2012-01-16 Jason Merrill <jason@redhat.com>
2908 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2910 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2913 * config/s390/s390.c (s390_chunkify_start): Don't skip
2914 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2915 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2916 If insn is followed by NOTE_INSN_VAR_LOCATION or
2917 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2918 Don't use location of note insns.
2920 PR tree-optimization/51865
2921 * tree-inline.c (tree_function_versioning): Call remap_decl
2922 on DECL_RESULT whenever it has VOID_TYPE_P type.
2924 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2926 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2927 for calls to locally-binding MIPS16 functions if only the return
2928 type uses float regs.
2930 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2931 Richard Sandiford <rdsandiford@googlemail.com>
2933 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2934 (SYMBOL_32_HIGH): Likewise.
2935 (mips_output_tls_reloc_directive): Declare.
2936 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2937 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2938 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2939 (mips_lo_relocs, mips_hi_relocs): Make extern.
2940 (mips16_stub_function): Move up file.
2941 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2942 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2943 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2944 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2945 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2946 (mips_get_tp): Add MIPS16 support.
2947 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2948 Generalize DTPREL and TPREL handling.
2949 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2950 Add MIPS16 TLS support.
2951 (mips_output_tls_reloc_directive): New function.
2952 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2953 * config/mips/predicates.md (symbolic_operand_with_high)
2954 (tls_reloc_operand): New predicates.
2955 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2956 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2957 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2958 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2959 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2960 (*tls_get_tp_mips16_call_<mode>): Likewise.
2962 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2964 PR rtl-optimization/51821
2965 * recog.c (peep2_find_free_register): Determine clobbered registers
2968 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2971 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2972 * config/avr/avr.c: Likewise.
2973 * config/avr/avr.h: Likewise.
2975 2012-01-13 Ian Lance Taylor <iant@google.com>
2978 * tree.h (TYPE_QUALS): Add cast to int.
2979 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2981 2012-01-13 Ian Lance Taylor <iant@google.com>
2983 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2984 comparing param_index to VEC_length result.
2986 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2988 * c-decl.c: Do not include tree-mudflap.h
2989 * tree-optimize.c: Likewise.
2990 * Makefile.in: Update dependencies.
2992 2012-01-13 Richard Guenther <rguenther@suse.de>
2995 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2996 variable-sized result always use RSO.
2998 2012-01-12 DJ Delorie <dj@redhat.com>
3000 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3001 pointer type, not just the default pointer type.
3003 2012-01-09 Richard Henderson <rth@redhat.com>
3004 Denis Chertykov <chertykov@gmail.com>
3007 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3008 * config/avr/avr.c (avr_can_eliminate): Simplify.
3009 (avr_initial_elimination_offset): Likewise.
3010 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3011 (expand_epilogue): Likewise.
3012 (avr_legitimize_address): Gut.
3013 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3014 (avr_hard_regno_nregs): New.
3015 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3016 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3017 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3018 add soft frame pointer.
3019 (CALL_USED_REGISTERS): Likewise.
3020 (REG_CLASS_CONTENTS): Likewise.
3021 (REGISTER_NAMES): Likewise.
3022 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3023 (HARD_FRAME_POINTER_REGNUM): New.
3024 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3025 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3026 remove the HARD_FRAME_POINTER self-elimination.
3028 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3031 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3032 DECL_EXTERNAL when checking for initializers of progmem variables.
3034 2012-01-12 Ira Rosen <irar@il.ibm.com>
3036 PR tree-optimization/51799
3037 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3038 that the last operation is a type demotion.
3040 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3042 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3043 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3045 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3048 * combine.c (distribute_notes): If i3 is a noreturn call,
3049 allow old_size to be equal to args_size and make sure the
3050 noreturn call gets REG_ARGS_SIZE note.
3051 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3052 on noreturn calls even when the delta is 0.
3054 2012-01-11 Nathan Sidwell <nathan@acm.org>
3056 * gcov.c (STRING_SIZE): Remove.
3057 (generate_results): Erase annotations for source files with no
3058 coverage information.
3060 (output_lines): Use it.
3062 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3064 * gimple.h (gimplify_body): Remove first argument.
3065 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3066 pointer set here, instead just pass DATA to walk_tree.
3067 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3068 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3069 (unvisit_body): Likewise, but with unmark_visited.
3070 (gimplify_body): Remove BODY_P argument and adjust.
3071 (gimplify_function_tree): Adjust call to gimplify_body.
3072 * omp-low.c (finalize_task_copyfn): Likewise.
3074 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3076 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3077 (build_function_type_skip_args): Delete.
3078 * tree.c (build_function_type_skip_args): Make static and add
3079 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3080 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3081 pass it to build_function_type_skip_args.
3082 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3083 (tree_function_versioning): Likewise.
3084 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3085 build_function_decl_skip_args.
3086 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3087 and pass it to build_function_decl_skip_args/tree_function_versioning.
3088 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3089 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3090 * trans-mem.c (ipa_tm_create_version): Likewise.
3091 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3092 * tree-inline.c (declare_return_variable): Remove always-true test.
3093 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3094 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3095 * ipa-split.c (split_function): Skip the return value for the split
3096 part if it doesn't return.
3098 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3100 PR tree-optimization/49642
3101 * ipa-split.c (forbidden_dominators): New variable.
3102 (check_forbidden_calls): New function.
3103 (dominated_by_forbidden): Likewise.
3104 (consider_split): Check for forbidden dominators.
3105 (execute_split_functions): Initialize and free forbidden
3106 dominators info; call check_forbidden_calls.
3108 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3110 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3112 2012-01-11 Nick Clifton <nickc@redhat.com>
3114 * config/rx/rx.md (return): Define pattern.
3116 2012-01-11 Richard Guenther <rguenther@suse.de>
3118 * doc/extend.texi (malloc attribute): Adjust according to
3121 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3122 Patrick Marlier <patrick.marlier@gmail.com>
3125 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3126 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3127 (ipa_tm_note_irrevocable): Same.
3128 (ipa_tm_scan_irr_block): Same.
3129 (ipa_tm_decrement_clone_counts): Same.
3130 (ipa_tm_scan_irr_function): Same.
3131 (ipa_tm_create_version_alias): Same.
3132 (ipa_tm_create_version): Same.
3133 (ipa_tm_transform_calls_redirect): Same.
3134 (ipa_tm_transform_calls): Same.
3135 (ipa_tm_transform_transaction): Same.
3136 (ipa_tm_execute): Same.
3138 2012-01-10 Richard Guenther <rguenther@suse.de>
3141 * opts.c (common_handle_option): Handle -Werror.
3143 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3145 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3148 2012-01-10 Jason Merrill <jason@redhat.com>
3150 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3153 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3155 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3156 supports R_386_TLS_GD_PLT reloc.
3157 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3158 supports R_386_TLS_LDM_PLT reloc.
3159 * configure: Regenerate.
3160 * config.in: Regenerate.
3162 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3165 Extend __pgmx semantics to linearize memory.
3166 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3167 determine if code comes inline or from libgcc.
3168 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3169 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3170 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3171 (movmemx_qi, movmemx_hi): New insns.
3172 (xload_<mode>_libgcc): Rewrite to new insn condition.
3173 (xload_<mode>): Remove insns.
3174 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3175 cases that don't satisfy avr_xload_libgcc_p().
3176 (avr_addr_space_convert): Allow converting in any direction.
3177 (avr_addr_space_subset_p): Return always true.
3178 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3179 (avr_emit_movmemhi): Ditto.
3180 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3181 (avr_out_movmem): Ditto.
3182 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3183 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3184 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3185 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3186 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3188 2012-01-10 Richard Guenther <rguenther@suse.de>
3190 PR tree-optimization/50913
3191 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3192 Require data-refs to be representable by Graphite with respect
3195 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3197 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3198 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3200 2012-01-10 Tom de Vries <tom@codesourcery.com>
3202 PR rtl-optimization/51271
3203 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3204 handling annulled branch.
3206 2012-01-10 Richard Henderson <rth@redhat.com>
3208 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3209 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3210 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3211 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3212 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3213 arm_expand_vec_perm_const): New.
3214 * config/arm/arm-protos.h: Update.
3215 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3216 (*neon_vswp<VDQX>): New.
3217 (neon_vcombine<VDX>): Use neon_split_vcombine.
3218 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3219 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3220 (vec_perm<VE>): New.
3222 2012-01-10 Richard Henderson <rth@redhat.com>
3224 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3225 use it if reload_completed.
3226 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3227 arm_output_asm_insn, arm_process_output_memory_barrier,
3228 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3229 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3230 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3231 arm_process_output_sync_insn, arm_output_sync_insn,
3232 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3233 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3234 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3235 (emit_unlikely_jump): New.
3236 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3237 (arm_split_atomic_op): New.
3238 * config/arm/arm-protos.h: Update.
3239 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3240 (struct arm_sync_generator): Remove.
3241 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3242 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3243 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3244 (VUNSPEC_LL, VUNSPEC_SC): New.
3245 (sync_result, sync_memory, sync_required_value, sync_new_value,
3246 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3247 (attr length): Don't use arm_sync_loop_insns.
3248 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3249 (movsfcc, movdfcc): Likewise.
3250 * config/arm/constraints.md (Ua): New.
3251 * config/arm/prediates.md (mem_noofs_operand): New.
3252 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3253 (sync_clobber, sync_t2_reqd): Remove.
3254 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3255 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3256 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3257 (arm_sync_compare_and_swap<SIDI>): Remove.
3258 (arm_sync_compare_and_swap<NARROW>): Remove.
3259 (arm_sync_lock_test_and_set<SIDI>): Remove.
3260 (arm_sync_lock_test_and_set<NARROW>): Remove.
3261 (arm_sync_new_<syncop><SIDI>): Remove.
3262 (arm_sync_new_<syncop><NARROW>): Remove.
3263 (arm_sync_new_nand<SIDI>): Remove.
3264 (arm_sync_new_nand<NARROW>): Remove.
3265 (arm_sync_old_<syncop><SIDI>): Remove.
3266 (arm_sync_old_<syncop><NARROW>): Remove.
3267 (arm_sync_old_nand<SIDI>): Remove.
3268 (arm_sync_old_nand<NARROW>): Remove.
3269 (*memory_barrier): Merge arm_output_memory_barrier.
3270 (atomic_compare_and_swap<QHSD>): New.
3271 (atomic_compare_and_swap<NARROW>_1): New.
3272 (atomic_compare_and_swap<SIDI>_1): New.
3273 (atomic_exchange<QHSD>): New.
3274 (cas_cmp_operand, cas_cmp_str): New.
3275 (atomic_op_operand, atomic_op_str): New.
3276 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3277 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3278 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3279 (arm_load_exclusive<NARROW>): New.
3280 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3281 (arm_store_exclusive<QHSD>): New.
3283 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3285 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3286 reload patterns if -mvsx-scalar-memory.
3288 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3289 generated, even -mno-vsx-scalar-double was used.
3290 (vsx_xscvdpsp_scalar): Likewise.
3291 (vsx_xscvspdp_scalar2): Likewise.
3293 2012-01-09 Tom de Vries <tom@codesourcery.com>
3294 Andrew Pinski <apinski@cavium.com>
3297 * reorg.c (fill_slots_from_thread): Don't speculate
3298 frame-related insns.
3300 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3302 * sched-int.h (bb_note): Move to...
3303 * basic-block.h: ...here.
3304 * haifa-sched.c (bb_note): Move to...
3305 * cfgrtl.c: ...here.
3306 * function.c (next_block_for_reg): New function.
3307 (move_insn_for_shrink_wrap): Likewise.
3308 (prepare_shrink_wrap): Rewrite to use the above.
3310 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3312 * gimple.c (is_gimple_non_addressable): Remove.
3313 * gimple.h: Remove is_gimple_non_addressable.
3314 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3315 is_gimple_non_addressable.
3316 * trans-mem.c (expand_assign_tm): Same.
3318 2012-01-09 Richard Guenther <rguenther@suse.de>
3320 PR tree-optimization/51775
3321 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3322 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3324 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3326 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3328 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3330 2012-01-09 Richard Guenther <rguenther@suse.de>
3332 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3334 2012-01-08 Jan Hubicka <jh@suse.cz>
3336 PR tree-optimize/51680
3337 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3338 on when known_vals needs to be computed; cleanup.
3340 2012-01-08 Jan Hubicka <jh@suse.cz>
3342 PR tree-optimize/51694
3343 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3345 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3347 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3348 for -std=c++98 and -std=c++11 too.
3350 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3352 * cfgloop.c (cancel_loop): Add free() of bbs array.
3354 2012-01-07 Jan Hubicka <jh@suse.cz>
3356 PR tree-optimization/51600
3357 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3358 that benefits small functions.
3360 2012-01-07 Jan Hubicka <jh@suse.cz>
3362 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3364 2012-01-07 Jan Hubicka <jh@suse.cz>
3366 PR tree-optimization/51680
3367 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3368 whose inlining reduce unit size.
3370 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3373 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3374 Add canonical node to containing_mem chain after the non-canonical
3375 one, even if there weren't any locs to propagate.
3376 (remove_useless_values): Keep only canonical values.
3377 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3378 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3379 canonicalize mem_chain elements that are not discarded.
3381 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3384 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3385 before emitting functions.
3387 PR gcov-profile/50127
3388 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3389 clear_aux_for_blocks.
3391 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3394 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3396 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3398 * c-decl.c (ext_block): Moved up.
3399 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3401 2012-01-06 Han Shen <shenhan@google.com>
3403 Translate built-in include paths for sysroot.
3404 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3405 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3407 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3408 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3410 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3411 control whether sysroot should be prepended to gxx include dir.
3413 * configure: Regenerate.
3415 2012-01-06 Torvald Riegel <triegel@redhat.com>
3417 PR rtl-optimization/51771
3418 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3419 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3421 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3423 PR tree-optimization/51315
3424 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3425 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3427 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3430 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3431 for shrp pattern. Correctly handle and fixup shift variable.
3432 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3434 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3437 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3438 note when !ACCUMULATE_OUTGOING_ARGS.
3440 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3442 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3444 (extract_range_from_unary_expr_1): Avoid useless computations.
3446 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3448 PR rtl-optimization/51767
3449 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3450 of jump_block and add an extra edge for degenerated asm gotos.
3453 * stmt.c (check_unique_operand_names): Don't ICE during error
3454 reporting if i is from labels chain.
3457 * profile.c (branch_prob): Split bbs that have exit edge
3458 and need a fake entry edge too.
3460 2012-01-05 Jan Hubicka <jh@suse.cz>
3463 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3466 2012-01-05 Richard Guenther <rguenther@suse.de>
3469 * tree-streamer-out.c (write_ts_optimization): New function.
3470 (streamer_write_tree_body): Call it.
3471 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3472 (streamer_read_tree_body): Call it.
3473 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3475 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3478 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3479 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3480 in_cleanup_point_expr before gimplify_stmt call and restore it
3482 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3483 in_cleanup_point_expr is false.
3485 2012-01-05 Richard Guenther <rguenther@suse.de>
3488 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3490 * toplev.c (process_options): Reject combining mudflap and LTO.
3491 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3493 2012-01-05 Richard Guenther <rguenther@suse.de>
3495 PR tree-optimization/51760
3496 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3498 (bit_value_unop): Handle UNDEFINED operands.
3499 (bit_value_binop): Likewise.
3501 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3503 * config/avr/avr.c (avr_replace_prefix): Remove.
3504 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3505 (avr_asm_function_rodata_section): Ditto.
3506 (avr_asm_select_section): Ditto.
3508 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3510 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3513 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3516 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3517 calls that have any non-fake successor edges.
3520 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3522 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3524 PR tree-optimization/51624
3525 * tree-sra.c (build_ref_for_model): When replicating a chain of
3526 COMPONENT_REFs, stop as soon as the offset would become negative.
3528 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3531 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3532 in .debug_loc on the floor.
3534 2012-01-04 Andrew Pinski <apinski@cavium.com>
3536 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3538 2012-01-04 Andrew Pinski <apinski@cavium.com>
3539 Adam Nemet <anemet@caviumnetworks.com>
3541 * config/mips/mips.md (size): Add SI and DI.
3542 (SIZE): New mode attribute.
3543 (U): New code attribute.
3544 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3545 (mips_lbux_<mode>): Delete.
3546 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3547 (mips_lhx): Use gen_mips_lhx_extsi.
3548 (mips_lhx_<mode>): Delete.
3550 (mips_l<size>x): New expand.
3551 (mips_lwx_<mode>): Delete.
3552 (mips_l<GPR:size>x_<P:mode>): New pattern.
3553 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3554 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3555 * config/mips/mips.c (mips_lx_address_p): New function.
3556 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3557 (dsp64): New availability predicate.
3558 (mips_builtins): Add an entry for __builtin_mips_ldx.
3559 * config/mips/mips.h (ISA_HAS_LBX): New define.
3560 (ISA_HAS_LBUX): Likewise.
3561 (ISA_HAS_LHX): Likewise.
3562 (ISA_HAS_LHUX): Likewise.
3563 (ISA_HAS_LWX): Likewise.
3564 (ISA_HAS_LWUX): Likewise.
3565 (ISA_HAS_LDX): Likewise.
3566 * doc/extend.texi (__builtin_mips_ldx): Document.
3568 2012-01-04 Tristan Gingold <gingold@adacore.com>
3570 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3571 when long pointers are used.
3572 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3573 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3574 (ia64-hp-*vms*): Remove.
3575 * config/vms/xm-vms64.h: Delete.
3577 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3580 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3582 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3584 * opts.c (finish_options): Remove duplicate sorry.
3586 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3589 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3592 2012-01-04 Richard Guenther <rguenther@suse.de>
3595 * tree.c (size_low_cst): New function.
3596 * tree.h (size_low_cst): Declare.
3597 * fold-const.c (fold_comparison): Use it to extract the low
3598 part of the POINTER_PLUS_EXPR offset.
3600 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3602 Fix clearing ZERO_REG
3603 * config/avr/avr.md (cc): Add alternative "ldi".
3604 (movqi_insn): Use it in cc attribute.
3605 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3606 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3607 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3609 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3611 * configure: Regenerate.
3613 2012-01-04 Richard Guenther <rguenther@suse.de>
3615 PR tree-optimization/49651
3616 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3617 (var_can_have_subvars): Use it.
3618 (get_constraint_for_1): Only consider subfields if there can be any.
3620 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3623 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3624 to its new canonical_cselib_val and the cselib_val was in
3625 first_containing_mem chain, but the canonical_cselib_val was not,
3626 add the latter into the chain.
3627 (cselib_invalidate_mem): Compare canonical_cselib_val of
3628 addr_list chain elt with v.
3631 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3632 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3634 (output_macinfo_op): Don't ggc_strdup fd->filename.
3635 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3636 then ggc_strdup it. Don't free inc->info or cur->info.
3637 (output_macinfo): Don't free ref->info or file->info.
3639 2012-01-03 Ira Rosen <irar@il.ibm.com>
3641 PR tree-optimization/51269
3642 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3643 first_niters a pointer.
3644 (slpeel_tree_peel_loop_to_edge): Likewise.
3645 (vect_do_peeling_for_loop_bound): Update call to
3646 slpeel_tree_peel_loop_to_edge.
3647 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3648 here. Remove it from the parameters list.
3649 (vect_do_peeling_for_alignment): Update calls and compute
3652 2012-01-03 Richard Guenther <rguenther@suse.de>
3654 PR tree-optimization/51070
3655 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3656 Properly handle calls.
3658 2012-01-03 Richard Guenther <rguenther@suse.de>
3660 PR tree-optimization/51692
3661 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3662 the LHS of allocation stmts.
3664 2012-01-03 Olivier Hainque <hainque@adacore.com>
3666 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3668 2012-01-03 Olivier Hainque <hainque@adacore.com>
3670 * collect2.c (main): In AIX specific computations for vector
3671 insertions, use CONST_CAST2 to cast from char ** to const char **.
3673 2012-01-03 Richard Guenther <rguenther@suse.de>
3676 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3677 the context of a limbo DIE when it does not already exist.
3679 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3681 PR tree-optimization/51719
3682 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3683 but direct call is, clear direct call's lhs and don't add fallthrough
3684 edge from dcall_bb to join_bb and PHIs.
3686 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3688 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3689 the instructions emitted by the pattern.
3690 ("*TDC_insn_<mode>"): Add comment.
3692 2012-01-03 Richard Guenther <rguenther@suse.de>
3695 * fold-const.c (fold_comparison): Properly canonicalize
3696 tree offset and HOST_WIDE_INT bit position.
3698 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3700 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3701 operands for extzv pattern.
3703 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3706 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3709 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3711 * doc/invoke.texi (-flto and related options): Copy-edit.
3713 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3715 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3717 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3719 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3722 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3724 * expr.h (move_by_pieces_ninsns): Declare.
3725 * expr.c (move_by_pieces_ninsns): Make external.
3726 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3727 (mips_store_by_pieces_p): Likewise.
3728 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3729 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3730 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3731 (mips_store_by_pieces_p): Likewise.
3733 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3735 * passes.c (register_one_dump_file): Free full_name.
3737 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3738 (calculate_elim_costs_all_insns): Free offsets_at and
3739 offsets_known_at at the end and clear the pointers.
3741 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3743 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3744 this option introduced in r180739.
3746 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3749 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3750 (tmake_file target=avr): Add avr/t-multilib.
3752 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3753 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3754 * config/avr/genmultilib.awk: New file.
3755 * config/avr/t-multilib: New auto-generated file.
3756 * config/avr/multilib.h: New auto-generated file.
3757 * config/avr/t-avr (AVR_MCUS): New variable.
3758 (genopt.sh): Use it.
3759 (s-mlib): Depend on t-multilib.
3760 (t-multilib, multilib.h): New dependencies.
3761 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3762 (MULTILIB_OPTIONS): Remove.
3763 (MULTILIB_MATCHES): Remove.
3764 (MULTILIB_DIRNAMES): Remove.
3765 (MULTILIB_EXCEPTIONS): Remove:
3766 * config/avr/genopt.sh: Don't use hard coded file name;
3767 pass AVR_MCUS from t-avr instead.
3769 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3771 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3773 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3775 Implement light-weight DImode support.
3776 * config/avr/avr-dimode.md: New file.
3777 * config/avr/avr.md: Include it.
3778 (adjust_len): Add plus64, compare64.
3779 (HIDI): Remove code iterator.
3780 (code_stdname): New code attribute.
3781 (rotx, rotsmode): Remove DI.
3782 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3784 * config/avr/avr-protos.h (avr_have_dimode): New.
3785 (avr_out_plus64, avr_out_compare64): New.
3786 * config/avr/avr.c (avr_out_compare): Handle DImode.
3787 (avr_have_dimode): New variable definition and initialization.
3788 (avr_out_compare64, avr_out_plus64): New functions.
3789 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3790 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3791 (avr_compare_pattern): Skip DImode comparisons.
3793 2012-01-02 Revital Eres <revital.eres@linaro.org>
3795 * ddg.c (def_has_ccmode_p): New function.
3796 (add_cross_iteration_register_deps,
3797 create_ddg_dep_from_intra_loop_link): Call it.
3799 2012-01-02 Richard Guenther <rguenther@suse.de>
3802 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3804 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3806 * gcc.c (process_command): Update copyright notice dates.
3807 * gcov.c (print_version): Likewise.
3808 * gcov-dump.c (print_version): Likewise.
3809 * mips-tfile.c (main): Likewise.
3810 * mips-tdump.c (main): Likewise.
3812 2012-01-01 Ira Rosen <irar@il.ibm.com>
3814 PR tree-optimization/51704
3815 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3816 a use is inside the basic block or loop before accessing its vect info.
3818 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3820 PR rtl-optimization/51069
3821 * cfgloopmanip.c (remove_path): Removing path making irreducible
3822 region unconditional makes BB part of the region.
3824 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3826 PR tree-optimization/51683
3827 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3828 calls with side-effects.
3829 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3831 Copyright (C) 2012 Free Software Foundation, Inc.
3833 Copying and distribution of this file, with or without modification,
3834 are permitted in any medium without royalty provided the copyright
3835 notice and this notice are preserved.