1 2012-03-22 Jakub Jelinek <jakub@redhat.com>
4 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
5 on any new_local_var_chain vars declared during recursing on
6 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
8 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
10 Backport from 2012-03-22 mainline r185692.
13 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
14 (unspecv): Add UNSPECV_MEMORY_BARRIER.
15 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
16 (delay_cycles_1, delay_cycles_2): Ditto.
17 (delay_cycles_3, delay_cycles_4): Ditto.
19 (sleep, *sleep): Ditto.
22 Backport from 2012-03-21 mainline r185605.
24 PR rtl-optimization/52543
26 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
27 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
28 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
29 (avr_load_libgcc_p): Restrict to __flash loads.
30 (avr_out_lpm): Only handle 1-byte loads from __flash.
31 (avr_load_lpm): New function.
32 (avr_find_unused_d_reg): Remove.
33 (avr_out_lpm_no_lpmx): Remove.
34 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
35 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
36 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
37 (load_<mode>, load_<mode>_clobber): New insns.
38 (mov<mode>): For multi-byte move from non-generic
39 16-bit address spaces: Expand to load_<mode> resp.
41 (load<mode>_libgcc): Remove expander.
42 (split-lpmx): Remove split.
44 Backport from 2012-03-13 mainline r185329.
47 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
48 offset (size) to a value the insns can deal with.
49 (expand_epilogue): Ditto.
51 Backport from 2012-03-12 mainline r185256.
54 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
55 type from reg_class_t to enum reg_class.
56 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
58 Backport from 2012-03-12 mainline r185253.
61 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
62 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
63 r184615 from 2012-02-28.
65 Backport from 2012-03-08 mainline r185105.
67 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
68 for constants in [-63,63].
70 Backport from 2012-03-08 mainline r185100.
73 * config/avr/avr.c (avr_mem_clobber): New static function.
74 (avr_expand_delay_cycles): Add memory clobber operand to
75 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
76 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
77 (enable_interrupt, disable_interrupt): New expander.
78 (nopv, sleep, wdr): New expanders.
79 (delay_cycles_1): Add memory clobber.
80 (delay_cycles_2): Add memory clobber.
81 (delay_cycles_3): Add memory clobber.
82 (delay_cycles_4): Add memory clobber.
83 (cli_sei): New insn from former "enable_interrupt",
84 "disable_interrupt" with memory clobber.
85 (*wdt): New insn from former "wdt" with memory clobber.
86 (*nopv): Similar, but for "nopv".
87 (*sleep): Similar, but for "sleep".
89 Backport from 2012-03-07 mainline r185043.
92 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
94 Backport from 2012-03-07 mainline r185032.
97 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
98 to: RAMPZ, RAMPY, RAMPX, RAMPD.
99 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
101 Backport from 2012-03-07 mainline r185031.
104 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
106 * config/avr/avr.md (xload_8): Adjust insn length.
108 Backport from 2012-03-07 mainline r185030.
111 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
112 if RAMPZ affects reading from RAM.
114 Backport from 2012-03-05 mainline r184919.
116 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
118 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
120 Backport from mainline r185259.
123 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
124 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
126 2012-03-22 Jakub Jelinek <jakub@redhat.com>
128 Backported from mainline
129 2012-03-13 Jakub Jelinek <jakub@redhat.com>
132 * c-parser.c (c_parser_postfix_expression)
133 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
135 * config/i386/smmintrin.h: Avoid /* within a comment.
136 * config/i386/nmmintrin.h: Likewise.
138 2012-03-22 Richard Guenther <rguenther@suse.de>
140 * BASE-VER: Set to 4.7.1.
141 * DEV-PHASE: Set to prerelease.
143 2012-03-22 Release Manager
145 * GCC 4.7.0 released.
147 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
149 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
151 2012-03-15 Jakub Jelinek <jakub@redhat.com>
152 Andrew Pinski <apinski@cavium.com>
155 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
156 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
157 calls instead of __builtin_ir{int,ound}*.
159 2012-03-14 Jakub Jelinek <jakub@redhat.com>
162 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
165 2012-03-13 Joseph Myers <joseph@codesourcery.com>
167 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
168 Refer to GCC 4.7 version of c99status.html.
170 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
172 Backport from mainline
173 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
175 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
176 redefine to be NULL if the current bit-size is different from the
179 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
180 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
181 set the default tuning. Add asserts to make sure the cpu and tune
182 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
183 test whether the index is set, instead of > 0.
184 (rs6000_file_start): Do not reset the default cpu if the current
185 bit-size is different from the configured bit-size.
187 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
189 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
191 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
192 Update binutils references.
193 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
194 Update binutils reference.
195 Update Sun as/GNU ld caveat.
196 Document binutils largefile requirement for LTO plugin.
197 Remove reference to alternate libpthread.
199 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
201 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
203 (Specific, mips-sgi-irix6): Likewise.
205 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
207 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
208 * configure: Regenerate.
210 2012-03-07 Richard Henderson <rth@redhat.com>
212 * config/m68k/m68k.h (ISA_HAS_TAS): New.
213 * config/m68k/sync.md (atomic_test_and_set): Use it.
214 (atomic_test_and_set_1): Likewise.
216 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
219 * Makefile.in: Let install-gcc-ar depend on installdirs, gcc-ar$(exeext),
220 gcc-nm$(exeext), gcc-ranlib$(exeext).
221 Don't double canonicalize if cross-compiling.
223 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
225 * trans-mem.c: New typedef for tm_region_p.
226 Define vector types for tm_region_p.
227 (tm_region_init): Replace region_worklist to a vector called
230 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
233 * trans-mem.c (tm_region_init): Use last_basic_block.
235 2012-03-05 Richard Henderson <rth@redhat.com>
238 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
239 * omp-low.c (expand_omp_atomic): Assume anything aligned to
240 BIGGEST_ALIGNMENT is aligned.
242 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
244 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
246 2012-03-05 Richard Henderson <rth@redhat.com>
249 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
250 instead of calling negqi2 directly.
252 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
254 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
255 (INTMAX_TYPE): Use it.
256 (UINTMAX_TYPE): Likewise.
257 (SUBTARGET_OVERRIDE_OPTIONS): Define.
258 (irix6_c_common_override_options): Declare.
259 (C_COMMON_OVERRIDE_OPTIONS): Define.
260 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
261 * config/mips/irix6-c.c: New file.
262 * config/mips/t-irix6 (irix6-c.o): New target.
263 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
266 2012-03-02 Richard Henderson <rth@redhat.com>
268 * optabs.c (expand_atomic_test_and_set): Honor
269 atomic_test_and_set_trueval even when atomic_test_and_set
272 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
274 Backport from mainline
275 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
277 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
279 2012-03-02 Richard Guenther <rguenther@suse.de>
281 * DEV-PHASE: Set to prerelease.
283 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
285 * config.gcc (obsolete): Add all ARM targets using the FPA.
286 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
287 * doc/install.texi: Avoid references to obsolete ARM ports.
289 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
291 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
293 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
294 Joern Rennecke <joern.rennecke@embecosm.com>
296 * doc/extend.texi: Expand and update information on interrupt
297 attribute for Epiphany.
299 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
301 * config/sh/sh-protos.h: Update copyright notice dates.
302 * config/sh/sh.h: Likewise.
303 * config/sh/sh.md: Likewise.
304 * config/sh/constraints.md: Likewise.
305 * config/sh/predicates.md: Likewise.
307 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
309 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
310 * config/sh/sh.c (tertiary_reload_operand): Likewise.
312 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
314 * config/sh/constraints.md: Fix comment typo.
316 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
319 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
320 unsigned HOST_WIDE_INT.
321 (zvdep_imm64): Likewise.
322 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
323 (vdepi_and): Likewise.
324 Likewise for unamed 64-bit patterns.
325 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
327 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
330 PR rtl-optimization/52417
331 * cselib.c (cselib_any_perm_equivs): New variable.
332 (cselib_reset_table): Check that it's not set when not
333 preserving constants.
334 (cselib_add_permanent_equiv): Set it.
335 (cselib_have_permanent_equivalences): New.
336 (cselib_init, cselib_finish): Reset it.
337 * cselib.h (cselib_have_permanent_equivalences): Declare.
338 * alias.c (get_addr): Restore earlier behavior when there
339 aren't permanent equivalences.
341 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
343 * config/mn10300/mn10300-modes.def: Fix copyright notice.
344 * config/v850/v850-modes.def: Fix copyright notice.
346 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
348 * doc/extend.texi (AVR Built-in Functions): Document
349 __builtin_avr_flash_segment.
351 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
352 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
353 (*split.flash_segment): New insn-and-split.
354 * config/avr/avr.c (avr_init_builtins): Add local variables:
355 const_memx_void_node, const_memx_ptr_type_node,
356 char_ftype_const_memx_ptr.
358 2012-03-01 Jakub Jelinek <jakub@redhat.com>
360 PR tree-optimization/52445
361 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
362 add ssa_name_ver, offset and size fields and change store field
364 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
365 (add_or_mark_expr): Likewise. Only consider previous stores
366 with the same size and offset.
367 (nt_init_block): Only look at gimple_assign_single_p stmts,
368 doesn't look at rhs2.
370 2012-03-01 Richard Guenther <rguenther@suse.de>
373 * tree-cfg.c (verify_gimple_assign_unary): Allow any
374 conversions from integral types to pointer types.
376 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
378 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
379 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
380 unintentionally removed in r184616.
382 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
384 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
387 2012-02-29 Jakub Jelinek <jakub@redhat.com>
388 Uros Bizjak <ubizjak@gmail.com>
391 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
392 alternatives, add "e" constraint to the new last alternative
393 and ! to last 3 alternatives.
395 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
397 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
398 DW_AT_artificial attributes at the end of the processing.
399 (gen_array_type_die): Likewise.
400 (gen_enumeration_type_die): Likewise.
401 (gen_struct_or_union_type_die): Likewise.
402 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
405 2012-02-29 Jakub Jelinek <jakub@redhat.com>
408 * expr.c (expand_assignment): If doing misaligned store that doesn't
409 cover all mode bits, perform a RMW cycle.
411 PR tree-optimization/52429
412 * tree-parloops.c (separate_decls_in_region_debug): Return early
413 if var is LABEL_DECL.
415 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
417 PR tree-optimization/52424
418 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
419 calling dom_thread_across_edge.
421 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
423 * config/avr/avr.c: Move definition of TARGET macros to end of file.
425 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
427 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
428 * config/avr/avr.c (avr_output_bld): Remove unused function.
429 (avr_out_sbxx_branch): Use "%T" to print bit position.
431 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
433 * config/avr/avr.md: Untabify.
435 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
437 * config/avr/avr.md (eqne): New code iterator.
438 (*dec-and-branchsi): Use it in text peephole's condition.
439 (*dec-and-branchhi): Ditto.
440 (*dec-and-branchqi): Ditto.
442 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
445 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
446 the device does not have the skip-bug.
448 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
450 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
451 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
452 -mpretend-cmove): New.
454 2012-02-29 Jakub Jelinek <jakub@redhat.com>
457 * df.h (struct df_d): Adjust comment that hard_regs_live_count
458 doesn't count DEBUG_INSN refs.
459 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
462 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
466 2012-02-20 Richard Guenther <rguenther@suse.de>
467 PR tree-optimization/52298
468 * tree-vect-stmts.c (vectorizable_load): Properly use
469 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
472 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
475 * gimple.h (gimple_in_transaction): New.
476 (gimple_set_in_transaction): New.
477 (struct gimple_statement_base): Add in_transaction field.
478 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
480 (tree_ssa_lim_initialize): Compute transaction bits.
481 * tree.h (compute_transaction_bits): Protoize.
482 * trans-mem.c (tm_region_init): Use the heap to store BB
484 (compute_transaction_bits): New.
486 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
488 * gcc.c (display_help): Document --help=common and sort entries
491 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
493 * doc/install.texi: Document check-$LANG specific shortcuts
495 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
498 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
500 * config/arm/arm_neon.h: Regenerate.
501 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
502 (neon_vcgeu): New insn.
503 (neon_vcgtu): Likewise.
504 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
505 (ops): Unsigned comparison intrinsics call a different
508 2012-02-28 Richard Guenther <rguenther@suse.de>
511 * config/i386/i386.c (ix86_expand_vector_set): Fix element
512 ordering for the VEC_CONCAT for two element vectors for
513 V2SFmode, V2SImode and V2DImode.
515 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
518 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
519 detecting big-endian triplets.
521 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
523 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
524 mode if there is no type information available.
526 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
528 PR tree-optimization/53207
529 * doc/invoke.texi: Document as experimental and relying on graphite.
531 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
533 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
534 of initializer to changes from r184614.
536 2012-02-28 Richard Guenther <rguenther@suse.de>
538 PR tree-optimization/52395
539 * tree-sra.c (build_ref_for_offset): Also look at the base
540 TYPE_ALIGN when figuring out the alignment of the replacement.
542 2012-02-28 Richard Guenther <rguenther@suse.de>
544 PR tree-optimization/52402
545 * ipa-prop.c (ipa_modify_call_arguments): Properly use
546 mis-aligned types when creating the accesses at the call site.
548 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
550 * config/avr/builtins.def: New file.
551 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
552 * config/avr/avr.c (enum avr_builtin_id): Use it.
553 (avr_init_builtins): Use it. And use avr_bdesc.
554 (bdesc_1arg): Remove.
555 (bdesc_2arg): Remove.
556 (bdesc_3arg): Remove.
557 (struct avr_builtin_description): Add field n_args.
558 (avr_bdesc): New static variable using builtins.def.
559 (avr_expand_builtin): Use it.
560 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
561 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
562 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
564 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
567 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
568 match only one single hard register with respective hard reg rtx.
569 (movmemx_<mode>): Ditto.
570 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
571 insn anatomy of movmem[x]_<mode>.
572 (avr_out_movmem): Same for printing assembler and operand usage.
574 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
578 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
579 address spaces located outside of device flash.
581 * config/avr/avr.h (base_arch_s): Remove field n_segments.
582 (mcu_type_s): Add field n_flash.
583 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
584 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
585 (AVR_MCU): Add N_FLASH argument.
586 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
587 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
588 macro __FLASH<n> if that address space makes sense for the device.
589 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
590 outside of target flash.
591 (avr_asm_named_section): Ditto.
592 (avr_asm_select_section): Ditto.
593 (avr_addr_space_convert): Ditto.
594 (avr_emit_movmemhi): Ditto.
595 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
596 address space is outside of device flash.
597 (avr_insert_attributes): Ditto.
598 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
599 avr_current_arch->n_segments.
601 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
604 * config/i386/i386.md (*movabs<mode>_1): Enable only for
606 (*movabs<mode>_2): Likewise.
608 2012-02-27 Jakub Jelinek <jakub@redhat.com>
611 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
612 s_register_operand in the test instead of REG_P. Don't call
613 gen_reg_rtx if it won't be used.
615 PR tree-optimization/52376
616 * ipa-split.c (split_function): Ignore CLOBBER stmts.
618 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
620 * ifcvt.c (noce_get_condition): Check condition variable is not
621 small_register_classes_for_mode_p before accepting.
623 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
625 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
627 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
630 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
631 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
633 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
635 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
637 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
639 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
641 * config/sh/predicates.md: Remove blank lines.
642 * config/sh/sh.c: Fix typos in comments.
643 * config/sh/constraints.md: Likewise.
644 * config/sh/sh.md: Remove blank lines.
645 Fix typos in comments. Use ;; as comment characters.
647 2012-02-26 Walter Lee <walt@tilera.com>
649 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
650 (replace_mov_pcrel_step2): Ditto.
652 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
655 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
656 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
657 and locs that reference values newer than the non-canonical value
658 at hand. Return the canonical value as a worst case.
659 (memrefs_conflict_p): Walk canonical value's locs.
662 * cselib.c (preserve_only_constants): Rename to...
663 (preserve_constants_and_equivs): ... this. Split out...
664 (invariant_or_equiv_p): ... this. Preserve plus expressions
665 of other preserved expressions too.
666 (cselib_reset_table): Adjust.
667 * var-tracking.c (reverse_op): Use canonical value to build
670 2012-02-23 Kai Tietz <ktietz@redhat.com>
672 * config/i386/i386.c (ix86_delegitimize_address): Handle
673 UNSPEC_PCREL plus displacement.
675 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
678 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
679 to test for unusedness in st X addressing.
681 2012-02-24 Richard Guenther <rguenther@suse.de>
684 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
685 (is_gimple_reg_type): Move inline ...
686 * gimple.h (is_gimple_reg_type): ... here.
688 2012-02-24 Richard Guenther <rguenther@suse.de>
691 * passes.c (execute_function_todo): When verifying SSA form
692 verify gimple form first.
693 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
695 2012-02-24 Richard Guenther <rguenther@suse.de>
698 * fold-const.c (fold_addr_of_array_ref_difference): New function.
699 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
701 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
703 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
705 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
707 * tree-phinodes.c (make_phi_node): Mark static.
708 * tree-flow.h (make_phi_node): Remove extern decl.
709 * doc/gimple.texi (make_phi_node): Remove documentation.
711 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
713 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
714 * tree-ssa-sccvn.c (print_scc): Ditto.
716 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
718 * doc/passes.texi (Full redundancy elimination): Fix typo.
720 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
722 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
724 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
727 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
729 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
732 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
734 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
736 * config/avr/avr.md (code_stdname): Add ior, xor.
737 (xior): New code iterator.
738 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
739 (*<code_stdname><mode>qi.byte1-3): Ditto.
741 2012-02-23 Jakub Jelinek <jakub@redhat.com>
743 PR tree-optimization/52019
744 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
747 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
749 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
750 HAVE_INITFINI_ARRAY to work around namespace pollution in
751 certain versions of newlib system headers.
752 * config.in: Regenerate.
753 * configure: Regenerate.
754 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
755 instead of HAVE_INITFINI_ARRAY.
757 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
760 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
761 is not offsettable memory reference.
763 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
766 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
767 setting avr_need_clear_bss_p for __gnu_lto* symbols.
769 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
771 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
772 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
774 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
776 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
777 library on Solaris 8 even without TLS support.
778 * configure: Regenerate.
780 2012-02-22 Richard Guenther <rguenther@suse.de>
783 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
784 for GIMPLE_DEBUG stmts.
786 2012-02-22 Martin Jambor <mjambor@suse.cz>
789 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
790 according to the base object.
792 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
794 PR rtl-optimization/50063
795 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
796 and 2 (8-bit SP) in operand 2.
797 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
798 setup to use movhi_sp_r instead of vanilla move to write SP.
799 Adjust REG_CFA notes to superseed unspec.
800 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
802 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
803 known to be off) only with TARGET_NO_INTERRUPTS. Never use
804 irq_state 1 (IRQ known to be on) here.
806 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
808 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
810 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
811 assign_hard_reg): Likewise.
813 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
815 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
817 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
820 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
821 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
823 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
825 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
826 prototype from here to...
827 * config/avr/avr.h: ...here.
829 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
832 * thumb2.md (thumb2_shiftsi3_short): Split register and
833 immediate shifts. For register shifts tie operands 0 and 1.
834 (peephole2 for above): Check that register-controlled shifts
835 have suitably tied operands.
837 2012-02-21 Quentin Neill <quentin.neill@amd.com>
840 * config/i386/bdver1.md (bdver1_call, bdver1_push,
841 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
842 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
843 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
844 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
845 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
846 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
847 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
848 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
849 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
850 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
851 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
852 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
853 bdver1_ssevector_avx256_unaligned_load,
854 bdver1_ssevector_sse128_unaligned_load,
855 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
856 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
857 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
858 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
859 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
860 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
861 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
862 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
863 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
864 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
865 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
866 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
867 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
868 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
869 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
870 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
871 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
872 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
873 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
874 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
875 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
876 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
877 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
878 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
879 bdver1_ssediv_double_load, bdver1_ssediv_double,
880 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
881 Add "bdver2" attribute.
883 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
885 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
886 default if possible and not specified otherwise.
888 2012-02-21 Richard Guenther <rguenther@suse.de>
891 * gimplify.c (create_tmp_from_val): Use the main variant type
892 for the type of the temporary we create.
894 2012-02-21 Richard Guenther <rguenther@suse.de>
896 PR tree-optimization/52324
897 * gimplify.c (gimplify_expr): When re-gimplifying expressions
898 do not gimplify a MEM_REF address operand if it is already
901 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
903 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
904 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
906 2012-02-21 Richard Guenther <rguenther@suse.de>
908 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
911 2012-02-21 Jakub Jelinek <jakub@redhat.com>
913 PR tree-optimization/52318
914 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
915 vdef also to non-pure/const call stmts in the sequence.
917 2012-02-20 David S. Miller <davem@davemloft.net>
919 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
920 don't use the "rd %pc" instruction on v9 for PIC register loads.
922 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
925 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
926 in a transaction safe function.
928 2012-02-20 Kai Tietz <ktietz@redhat.com>
931 * stor-layout.c (place_field): Handle desired_align for
934 2012-02-20 Richard Guenther <rguenther@suse.de>
936 PR tree-optimization/52298
937 * tree-vect-stmts.c (vectorizable_store): Properly use
938 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
940 (vectorizable_load): Likewise.
941 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
942 Access DR_STEP after ensuring it is not NULL.
944 2012-02-20 Jakub Jelinek <jakub@redhat.com>
946 PR tree-optimization/52286
947 * fold-const.c (fold_binary_loc): For (X & C1) | C2
948 optimization use double_int_to_tree instead of build_int_cst_wide,
949 rewrite to use double_int vars.
951 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
954 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
956 Remove -e 0 from $gcc_cv_ld invocation.
957 Only use __GLIBC_PREREQ if defined.
958 Enable on Solaris since Solaris 8 patch.
959 (gcc_SUN_LD_VERSION): New macro.
960 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
961 gcc_SUN_LD_VERSION for version number format.
962 * configure: Regenerate.
963 * varasm.c (get_elf_initfini_array_priority_section): Set
964 SECTION_NOTYPE for non-default priority.
965 Use get_section instead of get_unnamed_section to emit
966 .init_array/.fini_array with default priority.
968 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
970 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
971 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
972 (mips_start_unique_function, mips_output_mips16_rdhwr)
973 (mips_code_end): New functions.
974 (TARGET_ASM_CODE_END): Define.
976 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
978 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
979 to stubs with non-sibling calls.
981 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
983 * doc/invoke.texi (-fira-* options): Copy-edit.
984 (ira-* parameters): Copy-edit.
986 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
988 * doc/invoke.texi: Minor copy-edits to bring into conformance with
989 GCC coding conventions.
991 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
993 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
994 when used as adjectives.
996 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
998 * doc/invoke.texi: Clean up "that"/"which" confusion.
1000 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1002 * system.h: Poison SMALL_REGISTER_CLASSES
1003 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1004 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1006 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1008 PR tree-optimization/52285
1009 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1010 when deciding if a call is a tail call or tail recursion.
1012 2012-02-16 Kai Tietz <ktietz@redhat.com>
1014 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1015 interger-constant displacement for UNSPEC_PCREL.
1017 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1019 PR rtl-optimization/52208
1020 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1021 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1023 PR tree-optimization/52255
1024 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1025 loop->header has virtual PHI, but exit_e->dest doesn't, add
1026 virtual PHI to exit_e->dest and adjust all uses after the loop.
1029 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1030 children with clone_tree_hash, not after it.
1032 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1034 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1035 extended identifiers.
1037 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1040 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1041 a same_body_alias, also test whether e->callee isn't a former
1042 or current clone of the decl this is a same body alias of.
1044 PR translation/52264
1045 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1047 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1049 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1051 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1054 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1055 force_reg instead of copy_to_reg for better optimization. Force
1056 non-register or memory operands into a register.
1058 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1060 * extend.texi: Reserve upper bits of memory model for future use.
1062 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1063 Anatoly Sokolov <aesok@post.ru>
1064 Eric Weddington <eric.weddington@atmel.com>
1067 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1068 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1069 Rewrite initializers for .macro.
1070 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1071 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1072 atxmega32d4, atxmega32x1.
1073 avrxmega4: atxmega64a3, atxmega64d3.
1074 avrxmega5: atxmega64a1, atxmega64a1u.
1075 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1076 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1077 avrxmega7: atxmega128a1, atxmega128a1u.
1078 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1079 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1080 (struct base_arch_s): Rename reserved to xmega_p.
1081 Rename reserved2 to have_rampd.
1082 (AVR_XMEGA): New define.
1083 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1084 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1085 * config/avr/predicates.md (io_address_operand): Take into
1087 (low_io_address_operand): Ditto.
1088 (high_io_address_operand): Ditto.
1089 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1090 (enabled, movhi_sp_r): Use them.
1091 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1092 cpp_define_formatted to built-in define __AVR_ARCH__.
1093 (__AVR_XMEGA__): New built-in define.
1094 (__AVR_HAVE_RAMPD__): New built-in define.
1095 (__AVR_HAVE_RAMPX__): New built-in define.
1096 (__AVR_HAVE_RAMPY__): New built-in define.
1097 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1099 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1100 (avr_option_override): Initialize them.
1101 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1102 (avr_init_expanders): Initialize them. No more block several calls.
1103 (emit_push_sfr): New static function.
1104 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1106 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1107 (avr_print_operand): Print addreeses as symbols for
1108 RAMPX, RAMPY, RAMPD, CCP.
1109 (output_movhi): Handle AVR_XMEGA when writing to SP.
1110 (avr_out_movhi_mr_r_xmega): New static function.
1111 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1112 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1113 __RAMPD__, __CCP__ as needed.
1115 * config/avr/multilib.h: Regenerate.
1116 * config/avr/t-multilib: Regenerate.
1117 * config/avr/avr-tables.opt: Regenerate.
1119 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1121 PR tree-optimization/50561
1122 * graphite-flattening.c (lst_project_loop): Do not
1123 remove old scattering dimensions after flattening.
1124 (lst_do_flatten): Likewise.
1126 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1128 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1129 __builtin_avr_map8, __builtin_avr_map16.
1130 Document __builtin_avr_insert_bits.
1132 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1133 (insert_bits): New insn.
1134 (adjust_len.map_bits): Rename to insert_bits.
1135 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1136 * avr-protos.h (avr_out_map_bits): Remove.
1137 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1138 * config/avr/constraints.md (Cxf,C0f): New.
1139 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1140 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1141 New built-in define __BUILTIN_AVR_INSERT_BITS.
1142 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1143 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1144 (avr_move_bits): Rewrite.
1145 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1147 (avr_map_op_t): New typedef.
1148 (avr_map_op): New static variable.
1149 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1150 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1151 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1152 (bdesc_3arg, avr_expand_triop_builtin): New.
1153 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1154 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1155 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1156 (avr_map_equal_p, avr_map_sig_p): Remove.
1157 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1158 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1159 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1160 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1161 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1162 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1164 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1166 * config/c6x/c6x.md (reserve_cycles): New attribute.
1167 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1168 don't reserve functional units after the branch occurs.
1170 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1173 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1174 functions into non-tm_pure functions.
1176 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1179 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1180 (iterative_hash_canonical_type): Likewise.
1181 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1184 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1186 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1187 sched-group insn, it either remains alone or the entire list is pruned.
1189 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1191 * doc/install.texi (Prerequisites): Fix grammar.
1192 (Configuration): Likewise.
1194 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1196 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1197 MPC as part of GCC before describing configuring with --with-gmp etc.
1198 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1199 sources are present.
1201 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1204 * dwarf2out.c (clone_tree_hash): New function.
1205 (copy_decls_walk): Use it instead of clone_tree.
1207 2012-02-14 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/52244
1210 PR tree-optimization/51528
1211 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1212 replacements for integral types.
1214 2012-02-14 Walter Lee <walt@tilera.com>
1216 * config.gcc: Handle tilegx and tilepro.
1217 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1219 Add HAVE_AS_TLS check for tilegx and tilepro.
1220 * configure: Regenerate.
1221 * doc/contrib.texi: Add Mat Hostetter and self.
1222 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1223 Document instruction intrinsics and network accessing intrinsics.
1224 (TILEPro Built-in Functions): New node. Document instruction
1225 intrinsics and network accessing intrinsics.
1226 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1227 (Specific, tilepro-*-linux*): Likewise.
1228 * doc/invoke.texi (TILE-Gx Options): New section.
1229 (TILEPro Options): New section.
1230 * doc/md.texi (TILE-Gx): New section.
1231 (TILEPro): New section.
1232 * common/config/tilegx/tilegx-common.c: New file.
1233 * common/config/tilepro/tilepro-common.c: New file.
1234 * config/tilegx/constraints.md: New file.
1235 * config/tilegx/linux.h: New file.
1236 * config/tilegx/mul-tables.c: New file.
1237 * config/tilegx/predicates.md: New file.
1238 * config/tilegx/sync.md: New file.
1239 * config/tilegx/t-tilegx: New file.
1240 * config/tilegx/tilegx-builtins.h: New file.
1241 * config/tilegx/tilegx-c.c: New file.
1242 * config/tilegx/tilegx-generic.md: New file.
1243 * config/tilegx/tilegx-modes.def: New file.
1244 * config/tilegx/tilegx-multiply.h: New file.
1245 * config/tilegx/tilegx-protos.h: New file.
1246 * config/tilegx/tilegx.c: New file.
1247 * config/tilegx/tilegx.h: New file.
1248 * config/tilegx/tilegx.md: New file.
1249 * config/tilegx/tilegx.opt: New file.
1250 * config/tilepro/constraints.md: New file.
1251 * config/tilepro/gen-mul-tables.cc: New file.
1252 * config/tilepro/linux.h: New file.
1253 * config/tilepro/mul-tables.c: New file.
1254 * config/tilepro/predicates.md: New file.
1255 * config/tilepro/t-tilepro: New file.
1256 * config/tilepro/tilepro-builtins.h: New file.
1257 * config/tilepro/tilepro-c.c: New file.
1258 * config/tilepro/tilepro-generic.md: New file.
1259 * config/tilepro/tilepro-modes.def: New file.
1260 * config/tilepro/tilepro-multiply.h: New file.
1261 * config/tilepro/tilepro-protos.h: New file.
1262 * config/tilepro/tilepro.c: New file.
1263 * config/tilepro/tilepro.h: New file.
1264 * config/tilepro/tilepro.md: New file.
1265 * config/tilepro/tilepro.opt: New file.
1267 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1269 PR tree-optimization/52210
1270 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1271 vect_model_simple_cost with two entry vect_def_type array instead
1272 of an address of dt.
1274 2012-02-14 Richard Guenther <rguenther@suse.de>
1277 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1278 Do not stream DECL_QUALIFIER.
1279 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1280 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1281 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1283 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1286 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1289 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1292 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1293 * cselib.c (cselib_subst_to_values_from_insn): New function.
1294 * sched-deps.c (add_insn_mem_dependence,
1295 sched_analyze_1, sched_analyze_2): Use it.
1297 2012-02-13 Jan Hubicka <jh@suse.cz>
1300 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1302 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1304 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1305 (GTM_SELF_SPECS): Define if not already defined.
1306 (driver_self_specs): Add GTM_SELF_SPECS.
1307 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1308 (GTM_SELF_SPECS): Define.
1309 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1310 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1312 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1314 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1317 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1320 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1321 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1323 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1326 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1328 2012-02-13 Richard Guenther <rguenther@suse.de>
1330 PR translation/52211
1331 * passes.c (enable_disable_pass): Fix typo.
1333 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1336 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1337 XOR for reduce_bit_field if type is unsigned.
1339 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1341 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1342 disallow changes from SFmode to mode with different size in FP regs.
1344 2012-02-12 Robert Millan <rmh@gnu.org>
1345 Gerald Pfeifer <gerald@pfeifer.com>
1347 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1350 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1352 PR rtl-optimization/52175
1353 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1354 to frame-related instructions.
1356 2012-02-10 Jason Merrill <jason@redhat.com>
1359 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1360 (demangle_new_symbols): Fill it.
1361 (scan_linker_output): Walk it.
1362 (start_tweaking): Split out from scan_linker_output.
1363 (maybe_tweak): Update sym->chosen.
1364 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1366 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1369 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1371 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1373 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1374 having the same mode as previous compare.
1376 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1378 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1379 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1380 (nonlocal_goto_internal): Likewise.
1381 (nonlocal_goto): Emit a use and an indirect jump directly.
1383 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1386 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1387 __atomic_{is,always}_lock_free.
1389 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1392 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1393 negative constant address for x32.
1395 2012-02-10 Richard Henderson <rth@redhat.com>
1397 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1398 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1399 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1401 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1402 Ira Rosen <irar@il.ibm.com>
1404 PR tree-optimization/50031
1405 * targhooks.c (default_builtin_vectorization_cost): Handle
1407 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1408 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1409 all types of reduction and pattern statements.
1410 (vect_estimate_min_profitable_iters): Likewise.
1411 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1412 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1413 for explicit realigns.
1414 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1415 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1417 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1418 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1419 vec_perm for VSX and handle vec_promote_demote.
1421 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1424 * builtins.c (fold_builtin_atomic_always_lock_free,
1425 expand_builtin_atomic_always_lock_free,
1426 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1427 Return and/or test boolean_true_node/boolean_false_node instead of
1428 integer_one_node/integer_zero_node.
1430 2012-02-10 Jan Hubicka <jh@suse.cz>
1433 * predict.c (predict_paths_for_bb): Prevent looping.
1434 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1436 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1438 * config/arm/arm.c (output_move_double): In one case properly
1439 count number of instructions that will be emitted.
1441 2012-02-10 Richard Guenther <rguenther@suse.de>
1443 PR translation/52193
1444 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1446 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1449 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1451 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1454 * var-tracking.c (emit_note_insn_var_location): If
1455 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1456 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1457 non-NOTE_DURING_CALL_P insn.
1459 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1462 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1464 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1467 * gcc.c (switch_matches) Support switches with separated form,
1470 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1472 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1474 (RAMPZ_ADDR): Ditto.
1475 * config/avr/avr.c (avr_addr_t): New typedef.
1476 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1477 (avr_init_expanders): Initialize it.
1478 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1480 (expand_epilogue): Ditto.
1481 (avr_print_operand): Ditto.
1482 (avr_file_start): Ditto.
1483 (avr_emit_movmemhi): Ditto.
1485 2012-02-08 Richard Guenther <rguenther@suse.de>
1487 PR tree-optimization/46886
1488 * tree-flow.h (do_while_loop_p): Declare.
1489 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1490 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1492 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1494 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1495 always succeed for integers larger than a native word.
1497 2012-02-08 Richard Guenther <rguenther@suse.de>
1499 PR rtl-optimization/52170
1500 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1501 properly handle integer vector modes.
1503 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1505 PR gcov-profile/52150
1506 * coverage.c: Include target.h.
1507 (build_var): Call targetm.strip_name_encoding on the assembler name.
1508 Change one _ into . or $ if the target allows it.
1509 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1511 PR rtl-optimization/52139
1512 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1513 is a BARRIER after emit_insn_after_noloc, move BB_END
1514 to the last non-BARRIER insn before it.
1516 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1519 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1520 (mips_gimplify_va_arg_expr): Call it instead of
1521 std_gimplify_va_arg_expr.
1523 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1525 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1526 message for -mno-pointers-to-nested-function.
1528 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1531 * expr.c (get_inner_reference): If there is an offset, add a negative
1532 bit position to it (if any).
1534 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1536 PR rtl-optimization/52060
1537 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1538 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1539 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1540 and/or i0src_copy2 when needed.
1542 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1544 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1545 or LTOPLUGINSONAME if have_c.
1547 * config/freebsd-spec.h: Add comment about what macros can be defined
1549 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1550 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1553 2012-02-07 Richard Guenther <rguenther@suse.de>
1555 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1556 newline in -alias dumps.
1558 2012-02-07 Kai Tietz <ktietz@redhat.com>
1559 Dave Korn <dave.korn.cygwin@gmail.com>
1562 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1563 Take care that typinfo gets dllexport-attribute.
1565 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1568 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1569 if modifier < EXPAND_SUM call force_operand on the result.
1571 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1573 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1574 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1576 (epiphany_function_type): Replace types for specific interrupts with
1577 EPIPHANY_FUNCTION_INTERRUPT.
1578 (EPIPHANY_INTERRUPT_P): Update.
1579 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1580 New static function.
1581 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1582 <disinterrupt>: Affects type identity.
1583 (epiphany_handle_interrupt_attribute): Handle variable number of
1585 (epiphany_compute_function_type): Update for new
1586 epiphany_function_type definition.
1587 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1588 handlers with a longcall forwarder.
1589 (epiphany_start_function): Handle multiple interrupt arguments and/or
1590 forwarder_section attribute.
1592 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1595 2012-02-07 Alan Modra <amodra@gmail.com>
1598 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1601 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1603 PR tree-optimization/50969
1604 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1605 use vec_perm rather than vector_stmt.
1606 (vect_model_load_cost): Likewise.
1607 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1608 vec_perm to be the same as other vector statements.
1609 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1610 cost of vec_perm for TARGET_VSX.
1612 2012-02-06 Richard Guenther <rguenther@suse.de>
1614 PR tree-optimization/52115
1615 * tree-sra.c (access_has_replacements_p): New function.
1616 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1618 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1621 * trans-mem.c (expand_call_tm): Add an assertion.
1622 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1625 2012-02-06 Richard Guenther <rguenther@suse.de>
1627 PR tree-optimization/50955
1628 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1629 raise cost of expressions that replace an address with an
1630 expression based on a different pointer.
1632 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1635 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1636 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1638 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1641 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1642 -Weffc++ and specify guidelines come from second edition.
1644 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1646 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1647 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1648 (call_direct_split, call_value_split, call_value_internal_direct)
1649 (call_value_direct_split, call_value_multiple_split): Use jal and
1650 jal_macro attributes.
1652 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1654 * reload1.c (reload_regs_reach_end_p): Replace with...
1655 (reload_reg_rtx_reaches_end_p): ...this function.
1656 (new_spill_reg_store): Update commentary.
1657 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1658 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1659 before setting new_spill_reg_store.
1660 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1661 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1662 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1663 for non-spill reload registers.
1665 2012-02-05 Ira Rosen <irar@il.ibm.com>
1667 PR tree-optimization/52091
1668 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1669 (vect_is_simple_use_1): Likewise.
1670 * tree-vect-loop.c (vectorizable_reduction): Update calls
1671 to vect_is_simple_use_1 and vect_is_simple_use.
1672 (vectorizable_live_operation): Likewise.
1673 * tree-vect-patterns.c (widened_name_p,
1674 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1675 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1676 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1677 vectorizable_shift,vectorizable_operation, vectorizable_store,
1678 vectorizable_load): Likewise.
1679 (vect_is_simple_cond): Add an argument, pass it to
1680 vect_is_simple_use_1.
1681 (vectorizable_condition): Update calls to vect_is_simple_cond,
1683 (vect_is_simple_use): Add an argument, the statement in which
1684 OPERAND is used. Check that if OPERAND's def stmt is a double
1685 reduction phi node, the use is a phi node too.
1686 (vect_is_simple_use_1): Add an argument, pass it to
1688 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1689 to vect_is_simple_use.
1691 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1693 PR rtl-optimization/52095
1694 * modulo-sched.c (dump_insn_locator): New function.
1695 (loop_canon_p, sms_schedule): Use it.
1697 PR rtl-optimization/52113
1698 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1699 even for decomposable shift/zext insns.
1701 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1702 Zdenek Dvorak <ook@ucw.cz>
1704 PR rtl-optimization/52092
1705 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1706 on get_iv_value result.
1708 2012-02-02 Andrew Pinski <apinski@cavium.com>
1712 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1714 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1717 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1719 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1721 PR rtl-optimization/49800
1722 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1723 (sched_finish): Call regstat_free_n_sets_and_refs.
1725 2012-02-02 Jia Liu <proljc@gmail.com>
1727 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1730 2012-02-02 Jan Hubicka <jh@suse.cz>
1731 Tom de Vries <tom@codesourcery.com>
1734 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1735 * varpool.c (varpool_analyze_pending_decls): Likewise.
1737 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1738 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1740 * config.gcc: Add cr16-* support.
1742 * doc/extend.texi: Document cr16 extensions.
1743 * doc/install.texi: Document cr16 install.
1744 * doc/invoke.texi: Document cr16 options.
1745 * doc/md.texi: Document cr16 constraints.
1747 * common/config/cr16/cr16-common.c: New file.
1748 * config/cr16/cr16.c: New file.
1749 * config/cr16/cr16.h: New file.
1750 * config/cr16/cr16.md: New file.
1751 * config/cr16/cr16.opt: New file.
1752 * config/cr16/cr16-protos.h: New file.
1753 * config/cr16/predicates.md: New file.
1754 * config/cr16/constraints.md: New file.
1755 * config/cr16/t-cr16: New file.
1757 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1760 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1761 that operands[2] is either immediate, or q_regs_operand.
1763 PR tree-optimization/52073
1764 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1765 a pattern stmt for pattern uses, ignore uses outside of the loop.
1767 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1769 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1770 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1771 (OUT_AS1, OUT_AS2): Remove.
1773 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1775 PR rtl-optimization/51374
1776 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1777 to cross other volatile_refs_p insns.
1779 2012-02-01 Richard Guenther <rguenther@suse.de>
1781 * doc/invoke.texi (fno-inline): Clarify documentation.
1782 (finline-small-functions): Likewise.
1783 (finline-functions): Likewise.
1784 * common.opt (finline): Adjust comment and documentation.
1785 (finline-small-functions): Clarify documentation.
1786 (finline-functions): Likewise.
1787 (finline-functions-called-once): Likewise.
1789 2012-02-01 Tristan Gingold <gingold@adacore.com>
1791 * c-typeck.c (composite_type): Keep mode for pointers.
1793 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1795 * function.h (regno_reg_rtx): Adjust comment.
1796 * reginfo.c (init_reg_modes_target): Only use the previous mode
1797 if it fits within one register. Remove MIPS comment.
1799 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1802 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1804 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1806 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1807 to srak instruction.
1809 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1811 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1813 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1818 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1820 2012-01-31 Richard Guenther <rguenther@suse.de>
1822 PR tree-optimization/51528
1823 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1826 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1831 * ree.c (add_removable_extension): Change def_map argument
1832 to unsigned *, store in def_map 1 + offset into *insn_list vector
1833 instead of pointers into the vector.
1834 (find_removable_extensions): Adjust caller.
1836 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1838 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1839 Transform all "* quoted-c-code" to { c-code }.
1840 Remove redundant test for "optimize" in combine patterns.
1841 Move (include "avr-dimode.md") to end of file.
1843 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1846 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1847 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1849 2012-01-30 Richard Guenther <rguenther@suse.de>
1851 PR tree-optimization/52028
1852 * tree-loop-distribution.c (ldist_gen): Properly update
1855 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1858 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1859 set_cur_line_info_table if not emitting debug info.
1861 PR tree-optimization/52046
1862 * tree-vect-patterns.c (check_bool_pattern): Give up if
1863 a comparison could throw.
1866 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1868 2012-01-30 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/52045
1871 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1872 SSA form if cfgcleanup did anything.
1874 2012-01-30 Richard Guenther <rguenther@suse.de>
1876 PR tree-optimization/52045
1877 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1878 before computing final todo.
1880 2012-01-30 Richard Guenther <rguenther@suse.de>
1882 PR tree-optimization/51528
1883 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1886 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1888 * df-problems.c (df_kill_notes): Check that the use refers
1889 to the note under examination.
1891 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1894 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1895 parameter and use short-lived pseudos.
1896 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1897 (sparc_expand_vector_init): Const-ify local variables and adjust
1898 calls to above functions.
1900 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1902 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1904 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1906 * doc/invoke.texi: Make usage of "compile time" and
1907 "run time"/"runtime" consistent throughout the file.
1909 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1911 * config/alpha/alpha.c (alpha_option_override): Default to
1912 full IEEE compliance mode for Go language.
1914 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1916 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1917 (LINK_SSP_SPEC): Define.
1919 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1922 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1925 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1927 * doc/invoke.texi: Correct hyphenation of "floating point",
1928 "double precision", and related terminology throughout the file.
1930 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1933 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1934 arm_general_register_operand predicate for operand 2 instead of
1937 2012-01-27 Ian Lance Taylor <iant@google.com>
1940 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1941 * builtins.c (expand_builtin_init_trampoline): Add onstack
1942 parameter. Change caller.
1943 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1944 * tree.c (build_common_builtin_nodes): Declare
1945 __builtin_init_heap_trampoline.
1947 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1949 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1950 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1951 * config/avr/avr.c: Ditto.
1952 (avr_regnames): Remove because unused.
1953 * config/avr/avr.md (*cpse.ne): New peephole.
1954 (*cpse.eq): New peephole from former cpse peepholes.
1956 2012-01-27 Michael Eager <eager@eagercon.com>
1958 * config/microblaze.c (microblaze_emit_compare): Correct
1959 test after pcmp instruction.
1961 2012-01-27 Richard Guenther <rguenther@suse.de>
1963 PR tree-optimization/52020
1964 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1966 2012-01-27 Richard Guenther <rguenther@suse.de>
1968 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1969 function non-const/pure.
1971 2012-01-27 Richard Guenther <rguenther@suse.de>
1973 PR tree-optimization/50444
1974 * tree-sra.c (build_ref_for_offset): Properly adjust the
1975 MEM_REF type for unaligned accesses.
1977 2012-01-27 Richard Guenther <rguenther@suse.de>
1979 PR tree-optimization/50444
1980 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1981 (expand_assignment): Use it. Properly handle misaligned
1982 bases when expanding stores to component references.
1983 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1986 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1989 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1990 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1991 * tree-data-ref.c (find_data_references_in_loop): Make static.
1992 (compute_all_dependences): Change return type to bool. Bail out
1993 for too many datarefs in a loop. Move the hunk resetting the data
1994 dependences vector from ...
1995 (compute_data_dependences_for_loop): ... here. Account for
1996 compute_all_dependences returning false.
1997 (compute_data_dependences_for_bb): Likewise.
1998 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1999 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2001 2012-01-27 Richard Guenther <rguenther@suse.de>
2004 * expr.c (store_field): Use the alias-set of the scratch memory
2007 2012-01-27 Tom de Vries <tom@codesourcery.com>
2009 PR tree-optimization/51990
2010 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2012 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2014 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2017 * var-tracking.c (reverse_op): Don't add any reverse operation
2018 if V already has any constant locations.
2020 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2022 * doc/invoke.texi: Correct usage of "command line" (noun)
2023 vs "command-line" (adjective) throughout.
2025 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2027 * doc/invoke.texi (Language Independent Options): Move
2028 -Wcoverage-mismatch blurb from here....
2029 (Warning Options): ...to here.
2031 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2033 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2034 Set rs6000_always_hint to false for 476.
2036 2012-01-27 Matthias Klose <doko@ubuntu.com>
2038 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2040 * incpath.c (add_standard_paths): Likewise.
2042 2012-01-27 Richard Henderson <rth@redhat.com>
2044 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2045 * config/m68k/sync.md (atomic_test_and_set): Rename from
2046 sync_test_and_setqi and adjust the operands.
2047 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2048 and unconditionally enable.
2050 2012-01-27 Richard Henderson <rth@redhat.com>
2052 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2053 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2054 (ldstub): Rename from ldstubqi.
2055 (ldstub<I24MODE>): Remove.
2057 2012-01-27 Richard Henderson <rth@redhat.com>
2059 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2060 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2061 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2062 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2063 * doc/tm.texi: Rebuild.
2065 2012-01-27 Richard Henderson <rth@redhat.com>
2067 * optabs.c (gen_atomic_test_and_set): Remove default.
2068 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2070 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2072 PR rtl-optimization/51978
2073 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2074 (combine_reaching_defs): Likewise.
2075 (struct re_info): Remove.
2076 (add_removable_extension): Remove x and data arguments,
2077 add insn, insn_list and def_map. Use the arguments directly
2078 instead of using struct re_info.
2079 (find_removable_extensions): Don't call add_removable_extension
2080 through note_stores, instead just call it with single_set
2082 (find_and_remove_re): Pass curr_cand->expr instead of
2083 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2085 2012-01-26 Michael Matz <matz@suse.de>
2087 PR tree-optimization/46590
2088 * cfgexpand.c: Revert last change (r183305).
2089 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2091 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2092 checking for emptiness.
2094 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2097 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2098 non-addressable non-BLKmode base correctly.
2100 2012-01-26 Michael Matz <matz@suse.de>
2102 PR tree-optimization/48794
2103 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2104 regions referenced from RESX/EH_DISPATCH.
2106 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2108 * config/s390/s390.h: Make BRANCH_COST an option.
2109 * config/s390/s390.opt: New option -mbranch-cost.
2111 2012-01-26 Richard Henderson <rth@redhat.com>
2113 Revert 2012-01-24 change:
2114 * trans-mem.c (requires_barrier): Do not instrument thread local
2115 variables and emit save/restore for them.
2117 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2120 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2123 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2125 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2128 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2131 Rename __pgm to __flash.
2132 Rename __pgm1 to __flash1.
2133 Rename __pgm2 to __flash2.
2134 Rename __pgm3 to __flash3.
2135 Rename __pgm4 to __flash4.
2136 Rename __pgm5 to __flash5.
2137 Rename __pgmx to __memx.
2138 * doc/extend.texi (AVR Named Address Spaces)
2139 Rename address space names as indicated above.
2140 * config/avr/avr.c (avr_addrspace): Ditto.
2142 * config/avr/avr-protos.h
2143 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2144 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2145 * config/avr/predicates.md: Ditto.
2146 * config/avr/avr.c Ditto, and
2147 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2148 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2150 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2151 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2152 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2153 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2154 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2155 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2156 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2157 * config/avr/avr.c: Ditto.
2158 * config/avr/avr.md: Ditto.
2160 2012-01-25 Jason Merrill <jason@redhat.com>
2163 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2165 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2167 PR tree-optimization/51987
2168 * tree-data-ref.c (get_references_in_stmt): Handle references in
2169 non-volatile GIMPLE_ASM.
2171 2012-01-25 Richard Guenther <rguenther@suse.de>
2173 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2174 bases are dereferenced.
2176 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2178 PR rtl-optimization/48374
2179 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2181 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2183 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2184 compute_data_dependences_for_loop returns false.
2185 * tree-parloops.c (loop_parallel_p): Likewise.
2187 2012-01-25 Richard Guenther <rguenther@suse.de>
2189 * tree.h (get_pointer_alignment_1): Declare.
2190 * builtins.c (get_pointer_alignment_1): New function.
2191 (get_pointer_alignment): Use it.
2193 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2195 PR rtl-optimization/48308
2196 * combine.c (enum undo_kind): Add UNDO_LINKS.
2197 (struct undo): Add member l to other_contents and where.
2198 (do_SUBST_LINK): New.
2200 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2201 (undo_all): Handle UNDO_LINKS.
2203 2012-01-25 Richard Henderson <rth@redhat.com>
2205 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2208 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2210 * optabs.c (gen_atomic_test_and_set): Use each argument.
2212 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2214 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2215 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2216 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2217 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2218 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2219 TARGET_PAIRED_SINGLE_FLOAT.
2221 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2223 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2224 (in_struct, return_val): Remove MEM documentation.
2225 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2226 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2227 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2229 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2230 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2231 * expr.c (store_field): Likewise.
2232 * function.c (assign_stack_temp_for_type): Likewise.
2233 * ifcvt.c (noce_try_cmove_arith): Likewise.
2234 * reload1.c (reload): Likewise.
2235 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2236 (alpha_set_memflags): Likewise.
2237 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2239 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2241 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2243 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2244 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2245 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2247 * cselib.c (cselib_rtx_varies_p): Delete.
2248 (cselib_invalidate_mem): Update call to canon_true_dependence.
2249 * dse.c (record_store, check_mem_read_rtx): Likewise.
2250 (scan_reads_nospill): Likewise.
2251 * cse.c (check_dependence): Likewise.
2252 (cse_rtx_varies_p): Delete.
2253 * expr.c (safe_from_p): Update call to true_dependence.
2254 * ira.c (validate_equiv_mem_from_store): Likewise.
2255 (memref_referenced_p): Likewise.
2256 * postreload-gcse.c (find_mem_conflicts): Likewise.
2257 * sched-deps.c (sched_analyze_2): Likewise.
2258 * store-motion.c (load_kills_store): Likewise.
2259 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2260 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2261 (compute_transp): Update call to canon_true_dependence.
2263 2012-01-25 Richard Henderson <rth@redhat.com>
2265 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2266 (maybe_emit_atomic_test_and_set): New.
2267 (expand_sync_lock_test_and_set): Use it.
2268 (expand_atomic_test_and_set): Likewise.
2269 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2270 the implementation; clarify implementation defined details.
2271 * doc/md.texi (atomic_test_and_set): Document.
2273 2012-01-25 Richard Henderson <rth@redhat.com>
2275 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2277 2012-01-25 Richard Henderson <rth@redhat.com>
2280 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2281 to effect no-op split.
2283 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2286 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2287 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2288 (BT_FN_VOID_PTR_INT_SIZE): New.
2289 (BT_FN_UINT_UINT_VAR): Remove.
2290 (BT_FN_UINT32_UINT32_VAR): New.
2291 (BT_FN_DOUBLE_VPTR): Remove.
2292 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2294 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2295 (_ITM_changeTransactionMode): Same.
2296 (_ITM_memmoveRtWt): Change return type to void.
2297 (_ITM_memcpyRtWt): Same.
2298 (_ITM_memsetW): Same.
2299 (_ITM_RaRD): Change types to double.
2304 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2306 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2307 Patrick Marlier <patrick.marlier@gmail.com>
2309 * trans-mem.c (requires_barrier): Do not instrument thread local
2310 variables and emit save/restore for them.
2312 2012-01-24 Jason Merrill <jason@redhat.com>
2315 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2316 output static aliases.
2318 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2321 * common.opt (-pie, -shared, pie, shared): Change from Common to
2323 * gcc.c (display_help): Display help for -pie and -shared.
2325 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2328 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2329 Remove note on size/offset limitation.
2330 (AVR Variable Attributes): Add example how to read data located
2331 with progmem. Refer to named address spaces.
2332 * doc/invoke.texi (AVR Options): Fix typo.
2334 2012-01-24 Richard Guenther <rguenther@suse.de>
2336 Forward-port to trunk
2337 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2340 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2341 op0 isn't sufficiently aligned and there is movmisalignM
2342 insn for mode, use it to load op0 into a temporary register.
2344 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2347 * target.def (const_not_ok_for_debug_p): New hook.
2348 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2350 * doc/tm.texi: Regenerated.
2351 * dwarf2out.c (const_ok_for_output_1): If
2352 targetm.const_not_ok_for_debug_p returns true, fail.
2353 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2355 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2357 2012-01-23 Kai Tietz <ktietz@redhat.com>
2360 * config/i386/predicates.md (symbolic_operand): Allow
2361 UNSPEC_PCREL as PIC expression for lea.
2362 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2363 * config/i386/i386.c (ix86_delegitimize_address): Handle
2364 UNSPEC_PCREL for none-MEM, too.
2366 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2368 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2369 (ipa_tm_create_version_alias): Same.
2371 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2374 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2375 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2377 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2378 Patrick Marlier <patrick.marlier@gmail.com>
2379 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2382 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2383 simple_object_start_read.
2385 2012-01-23 Richard Guenther <rguenther@suse.de>
2388 PR tree-optimization/51895
2389 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2390 parameter decomposition into BLKmode components.
2392 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2394 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2395 fake variables for restrict-qualified pointers whose pointed-to type
2396 contains a placeholder.
2398 2012-01-23 Richard Guenther <rguenther@suse.de>
2400 PR tree-optimization/51949
2401 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2403 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2405 PR rtl-optimization/51933
2406 * ree.c (transform_ifelse): Return true right away if dstreg is
2407 already wider or equal to cand->mode.
2408 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2409 (make_defs_and_copies_lists): Remove defs_list and copies_list
2410 arguments, add state argument, just truncate state->work_list
2411 instead of always allocating and freeing the vector. Assert that
2412 get_defs succeeds instead of returning 2. Changed return type to bool.
2413 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2414 have ext_src_mode, see if it has been modified already with the
2415 right kind of extension and has been extended before from the
2416 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2417 just return true. Remember the original mode in state->modified array.
2418 (combine_reaching_defs): Add state argument. Don't allocate and
2419 free here def_list, copied_list and vec vectors, instead just
2420 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2421 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2422 Add state variable, clear vectors in it, initialize state.modified
2423 if needed. Free all the vectors at the end and state.modified too.
2424 Don't skip a candidate if the extension expression has been modified.
2426 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2429 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2430 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2431 (extra_options) interix.opt -> i386/interix.opt"
2432 (extra_objs):Add winnt-stubs.o
2433 * configure.ac: Add interix to target_os .comm on PE check.
2434 * configure: Regenerate.
2435 * config/interix3.h: Delete and move bits to..
2436 * config/interix.h: Delete and move bits to..
2437 * config/i386/i386-interix3.h: Delete and move bits to..
2438 * config/i386/i386-interix.h: ..here.
2439 (TARGET_CPU_DEFAULT): Remove redefinition.
2440 (TARGET_ASM_CONSTRUCTOR): Undefine.
2441 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2442 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2443 (PTRDIFF_TYPE): Define.
2444 (LONG_DOUBLE_TYPE_SIZE): Define.
2445 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2446 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2447 (TARGET_SECTION_TYPE_FLAGS): Define.
2448 (ASM_DECLARE_FUNCTION_NAME): Define.
2449 (ASM_OUTPUT_EXTERNAL): Define.
2450 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2451 (ASM_OUTPUT_ALIGNED_BSS): Define.
2452 (PCC_BITFIELD_TYPE_MATTERS): Define.
2453 (USE_CONST_SECTION): Define.
2454 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2455 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2456 (SUPPORTS_ONE_ONLY): Remove.
2457 (I386_PE_STRIP_ENCODING): Define.
2458 * config/interix.opt: Delete and move bits to..
2459 * config/i386/interix.opt: ..here. New.
2460 (mpe-aligned-commons): Add.
2461 * config/i386/t-interix: Add copyright header.
2462 (winnt-stubs.o): Add rule.
2464 2012-01-22 Jason Merrill <jason@redhat.com>
2467 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2468 for extra name aliases.
2470 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2472 PR rtl-optimization/51924
2473 * ree.c (combine_set_extension): Improve debugging message.
2474 (combine_reaching_defs): Likewise.
2475 (get_defs): Rename confusingly named variable.
2476 (find_and_remove_re): Skip a candidate if the extension expression has
2479 2012-01-21 Robert Millan <rmh@gnu.org>
2480 Gerald Pfeifer <gerald@pfeifer.com>
2482 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2483 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2485 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2487 PR tree-optimization/51914
2488 * tree-vect-stmts.c (vectorizable_conversion): For
2489 cvt_type && modifier == WIDEN, put temporary with cvt_type
2490 at the beginning of vec_dsts and set vec_dest to temporary
2493 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2495 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2497 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2499 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2500 * config/rs6000/rs6000.c: Likewise.
2502 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2505 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2506 output_move_double on a copy of operands array.
2508 2012-01-20 Cary Coutant <ccoutant@google.com>
2509 Dodji Seketeli <dodji@redhat.com>
2512 * dwarf2out.c (copy_declaration_context): Return ref to parent
2513 of declaration DIE, if necessary.
2514 (remove_child_or_replace_with_skeleton): Add new parameter; update
2515 caller. Place skeleton DIE under parent DIE of original declaration.
2516 Move call to copy_declaration_context to here ...
2517 (break_out_comdat_types): ... from here.
2519 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2521 PR rtl-optimization/51856
2522 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2525 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2528 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2529 hints for neon loads and stores.
2531 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2535 * doc/extend.texi (Named Address Spaces): Split into subsections.
2536 (AVR Named Address Spaces): New subsection.
2537 (M32C Named Address Spaces): New subsection.
2538 (RL78 Named Address Spaces): New subsection.
2539 (SPU Named Address Spaces): New subsection.
2540 (Variable Attributes): New anchor "AVR Variable Attributes".
2541 (AVR Variable Attributes): Rewrite and avoid wording
2542 "address space" in this context.
2543 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2544 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2545 (AVR Built-in Macros): New subsubsection therein.
2546 * doc/md.texi (AVR constraints): Remove "C04", "R".
2548 2012-01-20 Richard Guenther <rguenther@suse.de>
2550 PR tree-optimization/51903
2551 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2552 when removing stmts.
2554 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2557 * config/arm/arm.c (arm_load_pic_register): Use
2558 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2559 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2560 (arm_pic_static_addr): Likewise.
2561 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2562 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2563 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2564 (pic_load_addr_unified): New.
2566 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2569 * function.c (instantiate_virtual_regs_in_insn): Use
2570 delete_insn_and_edges when removing a wrong asm insn.
2572 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2574 PR rtl-optimization/40761
2575 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2576 Add new member loop_num.
2577 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2578 (ira_build): Remove the parameter.
2580 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2581 (ira.c): Do not build CFG loops for one region allocation. Remove
2582 argument from ira_build call.
2584 * ira-build.c (init_loop_tree_node): New function.
2585 (create_loop_tree_nodes): Use it. Separate the case when CFG
2586 loops are not built.
2587 (more_one_region_p): Check current_loops.
2588 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2590 (add_loop_to_tree): Process loop equal to NULL too.
2591 (form_loop_tree): Separate the case when CFG loops are not built.
2592 Use explicitly number for the root.
2593 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2595 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2596 instead of loop->num.
2597 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2598 (mark_all_loops_for_removal): Ditto.
2599 (remove_unnecessary_regions): Separate the case when CFG loops
2601 (ira_build): Remove the parameter. Use explicit number of regions
2602 when CFG loops are not built.
2604 * ira-color.c (print_loop_title): Separate the case for the root node.
2605 Use loop_num instead of loop->num.
2606 (move_spill_restore): Use loop_num instead of loop->num.
2608 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2609 (change_loop): Ditto.
2610 (change_loop): Use loop_num instead of loop->num.
2612 * ira-lives.c (process_bb_node_lives): Ditto.
2614 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2616 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2618 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2621 * tree-mudflap.c (mf_artificial): New function.
2622 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2623 mx_register_decls, mudflap_enqueue_decl): Use it.
2626 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2627 numbers in the insn pattern.
2629 2012-01-19 Michael Matz <matz@suse.de>
2631 PR tree-optimization/46590
2632 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2633 use it in remembering which conflicts we already created.
2634 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2637 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2640 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2641 (merge_and_complain): Same.
2643 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2646 * config/initfini-array.h: Guard content of the header
2647 with #ifdef HAVE_INITFINI_ARRAY.
2648 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2649 Add initfini-array.h to tm_file here.
2650 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2651 * config.gcc: Don't add initfini-array.h to tm_file here.
2652 * configure: Regenerated.
2654 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2656 PR rtl-optimization/51505
2657 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2658 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2659 (df_note_bb_compute): Update the call to df_kill_notes.
2661 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2663 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2665 2012-01-18 Richard Guenther <rguenther@suse.de>
2667 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2668 of conversions to void *.
2670 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2671 Richard Sandiford <rdsandiford@googlemail.com>
2675 * optabs.h (simplify_expand_binop): Declare.
2676 * optabs.c (simplify_expand_binop): Make global.
2677 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2678 endian targets if the source cannot be exactly covered by word
2681 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2684 * hard-reg-set.h (struct hard_reg_set_container): New type.
2685 * target.h (struct hard_reg_set_container): Forward declare.
2686 * target.def (set_up_by_prologue): New target hook.
2687 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2688 * doc/tm.texi: Regenerated.
2689 * function.c (thread_prologue_and_epilogue_insns): Change
2690 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2691 Call targetm.set_up_by_prologue on it.
2692 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2693 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2695 2012-01-17 Nick Clifton <nickc@redhat.com>
2697 * config/rx/rx.c (rx_can_use_simple_return): New function.
2698 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2699 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2701 2012-01-17 Richard Guenther <rguenther@suse.de>
2704 * expr.c (expand_assignment): Take address-space information
2705 from the address operand of MEM_REF and TARGET_MEM_REF.
2706 (expand_expr_real_1): Likewise.
2708 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2710 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2711 reload dump is requested.
2713 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2716 * trans-mem.c (requires_barrier): Call may_be_aliased.
2718 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2720 PR tree-optimization/51877
2721 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2722 call arguments and fndecls compare equal, instead return false if they
2723 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2724 both SSA_NAMEs that are valueized the same, or they satisfy
2727 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2729 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2731 * configure: Regenerate.
2733 2012-01-16 Jan Hubicka <jh@suse.cz>
2737 * convert.c (convert_to_integer): Use fold_convert for
2738 converting an INTEGER_CST to integer type.
2740 2012-01-16 Jason Merrill <jason@redhat.com>
2743 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2745 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2748 * config/s390/s390.c (s390_chunkify_start): Don't skip
2749 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2750 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2751 If insn is followed by NOTE_INSN_VAR_LOCATION or
2752 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2753 Don't use location of note insns.
2755 PR tree-optimization/51865
2756 * tree-inline.c (tree_function_versioning): Call remap_decl
2757 on DECL_RESULT whenever it has VOID_TYPE_P type.
2759 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2761 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2762 for calls to locally-binding MIPS16 functions if only the return
2763 type uses float regs.
2765 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2766 Richard Sandiford <rdsandiford@googlemail.com>
2768 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2769 (SYMBOL_32_HIGH): Likewise.
2770 (mips_output_tls_reloc_directive): Declare.
2771 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2772 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2773 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2774 (mips_lo_relocs, mips_hi_relocs): Make extern.
2775 (mips16_stub_function): Move up file.
2776 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2777 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2778 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2779 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2780 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2781 (mips_get_tp): Add MIPS16 support.
2782 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2783 Generalize DTPREL and TPREL handling.
2784 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2785 Add MIPS16 TLS support.
2786 (mips_output_tls_reloc_directive): New function.
2787 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2788 * config/mips/predicates.md (symbolic_operand_with_high)
2789 (tls_reloc_operand): New predicates.
2790 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2791 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2792 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2793 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2794 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2795 (*tls_get_tp_mips16_call_<mode>): Likewise.
2797 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2799 PR rtl-optimization/51821
2800 * recog.c (peep2_find_free_register): Determine clobbered registers
2803 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2806 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2807 * config/avr/avr.c: Likewise.
2808 * config/avr/avr.h: Likewise.
2810 2012-01-13 Ian Lance Taylor <iant@google.com>
2813 * tree.h (TYPE_QUALS): Add cast to int.
2814 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2816 2012-01-13 Ian Lance Taylor <iant@google.com>
2818 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2819 comparing param_index to VEC_length result.
2821 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2823 * c-decl.c: Do not include tree-mudflap.h
2824 * tree-optimize.c: Likewise.
2825 * Makefile.in: Update dependencies.
2827 2012-01-13 Richard Guenther <rguenther@suse.de>
2830 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2831 variable-sized result always use RSO.
2833 2012-01-12 DJ Delorie <dj@redhat.com>
2835 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2836 pointer type, not just the default pointer type.
2838 2012-01-09 Richard Henderson <rth@redhat.com>
2839 Denis Chertykov <chertykov@gmail.com>
2842 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2843 * config/avr/avr.c (avr_can_eliminate): Simplify.
2844 (avr_initial_elimination_offset): Likewise.
2845 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2846 (expand_epilogue): Likewise.
2847 (avr_legitimize_address): Gut.
2848 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2849 (avr_hard_regno_nregs): New.
2850 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2851 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2852 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2853 add soft frame pointer.
2854 (CALL_USED_REGISTERS): Likewise.
2855 (REG_CLASS_CONTENTS): Likewise.
2856 (REGISTER_NAMES): Likewise.
2857 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2858 (HARD_FRAME_POINTER_REGNUM): New.
2859 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2860 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2861 remove the HARD_FRAME_POINTER self-elimination.
2863 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2866 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2867 DECL_EXTERNAL when checking for initializers of progmem variables.
2869 2012-01-12 Ira Rosen <irar@il.ibm.com>
2871 PR tree-optimization/51799
2872 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2873 that the last operation is a type demotion.
2875 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2877 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2878 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2880 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2883 * combine.c (distribute_notes): If i3 is a noreturn call,
2884 allow old_size to be equal to args_size and make sure the
2885 noreturn call gets REG_ARGS_SIZE note.
2886 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2887 on noreturn calls even when the delta is 0.
2889 2012-01-11 Nathan Sidwell <nathan@acm.org>
2891 * gcov.c (STRING_SIZE): Remove.
2892 (generate_results): Erase annotations for source files with no
2893 coverage information.
2895 (output_lines): Use it.
2897 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2899 * gimple.h (gimplify_body): Remove first argument.
2900 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2901 pointer set here, instead just pass DATA to walk_tree.
2902 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2903 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2904 (unvisit_body): Likewise, but with unmark_visited.
2905 (gimplify_body): Remove BODY_P argument and adjust.
2906 (gimplify_function_tree): Adjust call to gimplify_body.
2907 * omp-low.c (finalize_task_copyfn): Likewise.
2909 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2911 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2912 (build_function_type_skip_args): Delete.
2913 * tree.c (build_function_type_skip_args): Make static and add
2914 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2915 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2916 pass it to build_function_type_skip_args.
2917 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2918 (tree_function_versioning): Likewise.
2919 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2920 build_function_decl_skip_args.
2921 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2922 and pass it to build_function_decl_skip_args/tree_function_versioning.
2923 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2924 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2925 * trans-mem.c (ipa_tm_create_version): Likewise.
2926 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2927 * tree-inline.c (declare_return_variable): Remove always-true test.
2928 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2929 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2930 * ipa-split.c (split_function): Skip the return value for the split
2931 part if it doesn't return.
2933 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2935 PR tree-optimization/49642
2936 * ipa-split.c (forbidden_dominators): New variable.
2937 (check_forbidden_calls): New function.
2938 (dominated_by_forbidden): Likewise.
2939 (consider_split): Check for forbidden dominators.
2940 (execute_split_functions): Initialize and free forbidden
2941 dominators info; call check_forbidden_calls.
2943 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2945 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2947 2012-01-11 Nick Clifton <nickc@redhat.com>
2949 * config/rx/rx.md (return): Define pattern.
2951 2012-01-11 Richard Guenther <rguenther@suse.de>
2953 * doc/extend.texi (malloc attribute): Adjust according to
2956 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2957 Patrick Marlier <patrick.marlier@gmail.com>
2960 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2961 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2962 (ipa_tm_note_irrevocable): Same.
2963 (ipa_tm_scan_irr_block): Same.
2964 (ipa_tm_decrement_clone_counts): Same.
2965 (ipa_tm_scan_irr_function): Same.
2966 (ipa_tm_create_version_alias): Same.
2967 (ipa_tm_create_version): Same.
2968 (ipa_tm_transform_calls_redirect): Same.
2969 (ipa_tm_transform_calls): Same.
2970 (ipa_tm_transform_transaction): Same.
2971 (ipa_tm_execute): Same.
2973 2012-01-10 Richard Guenther <rguenther@suse.de>
2976 * opts.c (common_handle_option): Handle -Werror.
2978 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2980 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2983 2012-01-10 Jason Merrill <jason@redhat.com>
2985 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2988 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2990 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2991 supports R_386_TLS_GD_PLT reloc.
2992 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2993 supports R_386_TLS_LDM_PLT reloc.
2994 * configure: Regenerate.
2995 * config.in: Regenerate.
2997 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3000 Extend __pgmx semantics to linearize memory.
3001 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3002 determine if code comes inline or from libgcc.
3003 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3004 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3005 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3006 (movmemx_qi, movmemx_hi): New insns.
3007 (xload_<mode>_libgcc): Rewrite to new insn condition.
3008 (xload_<mode>): Remove insns.
3009 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3010 cases that don't satisfy avr_xload_libgcc_p().
3011 (avr_addr_space_convert): Allow converting in any direction.
3012 (avr_addr_space_subset_p): Return always true.
3013 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3014 (avr_emit_movmemhi): Ditto.
3015 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3016 (avr_out_movmem): Ditto.
3017 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3018 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3019 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3020 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3021 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3023 2012-01-10 Richard Guenther <rguenther@suse.de>
3025 PR tree-optimization/50913
3026 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3027 Require data-refs to be representable by Graphite with respect
3030 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3032 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3033 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3035 2012-01-10 Tom de Vries <tom@codesourcery.com>
3037 PR rtl-optimization/51271
3038 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3039 handling annulled branch.
3041 2012-01-10 Richard Henderson <rth@redhat.com>
3043 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3044 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3045 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3046 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3047 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3048 arm_expand_vec_perm_const): New.
3049 * config/arm/arm-protos.h: Update.
3050 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3051 (*neon_vswp<VDQX>): New.
3052 (neon_vcombine<VDX>): Use neon_split_vcombine.
3053 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3054 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3055 (vec_perm<VE>): New.
3057 2012-01-10 Richard Henderson <rth@redhat.com>
3059 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3060 use it if reload_completed.
3061 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3062 arm_output_asm_insn, arm_process_output_memory_barrier,
3063 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3064 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3065 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3066 arm_process_output_sync_insn, arm_output_sync_insn,
3067 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3068 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3069 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3070 (emit_unlikely_jump): New.
3071 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3072 (arm_split_atomic_op): New.
3073 * config/arm/arm-protos.h: Update.
3074 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3075 (struct arm_sync_generator): Remove.
3076 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3077 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3078 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3079 (VUNSPEC_LL, VUNSPEC_SC): New.
3080 (sync_result, sync_memory, sync_required_value, sync_new_value,
3081 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3082 (attr length): Don't use arm_sync_loop_insns.
3083 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3084 (movsfcc, movdfcc): Likewise.
3085 * config/arm/constraints.md (Ua): New.
3086 * config/arm/prediates.md (mem_noofs_operand): New.
3087 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3088 (sync_clobber, sync_t2_reqd): Remove.
3089 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3090 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3091 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3092 (arm_sync_compare_and_swap<SIDI>): Remove.
3093 (arm_sync_compare_and_swap<NARROW>): Remove.
3094 (arm_sync_lock_test_and_set<SIDI>): Remove.
3095 (arm_sync_lock_test_and_set<NARROW>): Remove.
3096 (arm_sync_new_<syncop><SIDI>): Remove.
3097 (arm_sync_new_<syncop><NARROW>): Remove.
3098 (arm_sync_new_nand<SIDI>): Remove.
3099 (arm_sync_new_nand<NARROW>): Remove.
3100 (arm_sync_old_<syncop><SIDI>): Remove.
3101 (arm_sync_old_<syncop><NARROW>): Remove.
3102 (arm_sync_old_nand<SIDI>): Remove.
3103 (arm_sync_old_nand<NARROW>): Remove.
3104 (*memory_barrier): Merge arm_output_memory_barrier.
3105 (atomic_compare_and_swap<QHSD>): New.
3106 (atomic_compare_and_swap<NARROW>_1): New.
3107 (atomic_compare_and_swap<SIDI>_1): New.
3108 (atomic_exchange<QHSD>): New.
3109 (cas_cmp_operand, cas_cmp_str): New.
3110 (atomic_op_operand, atomic_op_str): New.
3111 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3112 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3113 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3114 (arm_load_exclusive<NARROW>): New.
3115 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3116 (arm_store_exclusive<QHSD>): New.
3118 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3120 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3121 reload patterns if -mvsx-scalar-memory.
3123 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3124 generated, even -mno-vsx-scalar-double was used.
3125 (vsx_xscvdpsp_scalar): Likewise.
3126 (vsx_xscvspdp_scalar2): Likewise.
3128 2012-01-09 Tom de Vries <tom@codesourcery.com>
3129 Andrew Pinski <apinski@cavium.com>
3132 * reorg.c (fill_slots_from_thread): Don't speculate
3133 frame-related insns.
3135 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3137 * sched-int.h (bb_note): Move to...
3138 * basic-block.h: ...here.
3139 * haifa-sched.c (bb_note): Move to...
3140 * cfgrtl.c: ...here.
3141 * function.c (next_block_for_reg): New function.
3142 (move_insn_for_shrink_wrap): Likewise.
3143 (prepare_shrink_wrap): Rewrite to use the above.
3145 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3147 * gimple.c (is_gimple_non_addressable): Remove.
3148 * gimple.h: Remove is_gimple_non_addressable.
3149 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3150 is_gimple_non_addressable.
3151 * trans-mem.c (expand_assign_tm): Same.
3153 2012-01-09 Richard Guenther <rguenther@suse.de>
3155 PR tree-optimization/51775
3156 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3157 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3159 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3161 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3163 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3165 2012-01-09 Richard Guenther <rguenther@suse.de>
3167 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3169 2012-01-08 Jan Hubicka <jh@suse.cz>
3171 PR tree-optimize/51680
3172 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3173 on when known_vals needs to be computed; cleanup.
3175 2012-01-08 Jan Hubicka <jh@suse.cz>
3177 PR tree-optimize/51694
3178 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3180 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3182 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3183 for -std=c++98 and -std=c++11 too.
3185 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3187 * cfgloop.c (cancel_loop): Add free() of bbs array.
3189 2012-01-07 Jan Hubicka <jh@suse.cz>
3191 PR tree-optimization/51600
3192 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3193 that benefits small functions.
3195 2012-01-07 Jan Hubicka <jh@suse.cz>
3197 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3199 2012-01-07 Jan Hubicka <jh@suse.cz>
3201 PR tree-optimization/51680
3202 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3203 whose inlining reduce unit size.
3205 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3208 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3209 Add canonical node to containing_mem chain after the non-canonical
3210 one, even if there weren't any locs to propagate.
3211 (remove_useless_values): Keep only canonical values.
3212 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3213 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3214 canonicalize mem_chain elements that are not discarded.
3216 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3219 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3220 before emitting functions.
3222 PR gcov-profile/50127
3223 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3224 clear_aux_for_blocks.
3226 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3229 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3231 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3233 * c-decl.c (ext_block): Moved up.
3234 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3236 2012-01-06 Han Shen <shenhan@google.com>
3238 Translate built-in include paths for sysroot.
3239 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3240 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3242 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3243 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3245 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3246 control whether sysroot should be prepended to gxx include dir.
3248 * configure: Regenerate.
3250 2012-01-06 Torvald Riegel <triegel@redhat.com>
3252 PR rtl-optimization/51771
3253 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3254 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3256 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3258 PR tree-optimization/51315
3259 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3260 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3262 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3265 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3266 for shrp pattern. Correctly handle and fixup shift variable.
3267 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3269 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3272 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3273 note when !ACCUMULATE_OUTGOING_ARGS.
3275 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3277 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3279 (extract_range_from_unary_expr_1): Avoid useless computations.
3281 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3283 PR rtl-optimization/51767
3284 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3285 of jump_block and add an extra edge for degenerated asm gotos.
3288 * stmt.c (check_unique_operand_names): Don't ICE during error
3289 reporting if i is from labels chain.
3292 * profile.c (branch_prob): Split bbs that have exit edge
3293 and need a fake entry edge too.
3295 2012-01-05 Jan Hubicka <jh@suse.cz>
3298 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3301 2012-01-05 Richard Guenther <rguenther@suse.de>
3304 * tree-streamer-out.c (write_ts_optimization): New function.
3305 (streamer_write_tree_body): Call it.
3306 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3307 (streamer_read_tree_body): Call it.
3308 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3310 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3313 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3314 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3315 in_cleanup_point_expr before gimplify_stmt call and restore it
3317 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3318 in_cleanup_point_expr is false.
3320 2012-01-05 Richard Guenther <rguenther@suse.de>
3323 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3325 * toplev.c (process_options): Reject combining mudflap and LTO.
3326 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3328 2012-01-05 Richard Guenther <rguenther@suse.de>
3330 PR tree-optimization/51760
3331 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3333 (bit_value_unop): Handle UNDEFINED operands.
3334 (bit_value_binop): Likewise.
3336 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3338 * config/avr/avr.c (avr_replace_prefix): Remove.
3339 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3340 (avr_asm_function_rodata_section): Ditto.
3341 (avr_asm_select_section): Ditto.
3343 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3345 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3348 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3351 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3352 calls that have any non-fake successor edges.
3355 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3357 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3359 PR tree-optimization/51624
3360 * tree-sra.c (build_ref_for_model): When replicating a chain of
3361 COMPONENT_REFs, stop as soon as the offset would become negative.
3363 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3366 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3367 in .debug_loc on the floor.
3369 2012-01-04 Andrew Pinski <apinski@cavium.com>
3371 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3373 2012-01-04 Andrew Pinski <apinski@cavium.com>
3374 Adam Nemet <anemet@caviumnetworks.com>
3376 * config/mips/mips.md (size): Add SI and DI.
3377 (SIZE): New mode attribute.
3378 (U): New code attribute.
3379 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3380 (mips_lbux_<mode>): Delete.
3381 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3382 (mips_lhx): Use gen_mips_lhx_extsi.
3383 (mips_lhx_<mode>): Delete.
3385 (mips_l<size>x): New expand.
3386 (mips_lwx_<mode>): Delete.
3387 (mips_l<GPR:size>x_<P:mode>): New pattern.
3388 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3389 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3390 * config/mips/mips.c (mips_lx_address_p): New function.
3391 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3392 (dsp64): New availability predicate.
3393 (mips_builtins): Add an entry for __builtin_mips_ldx.
3394 * config/mips/mips.h (ISA_HAS_LBX): New define.
3395 (ISA_HAS_LBUX): Likewise.
3396 (ISA_HAS_LHX): Likewise.
3397 (ISA_HAS_LHUX): Likewise.
3398 (ISA_HAS_LWX): Likewise.
3399 (ISA_HAS_LWUX): Likewise.
3400 (ISA_HAS_LDX): Likewise.
3401 * doc/extend.texi (__builtin_mips_ldx): Document.
3403 2012-01-04 Tristan Gingold <gingold@adacore.com>
3405 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3406 when long pointers are used.
3407 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3408 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3409 (ia64-hp-*vms*): Remove.
3410 * config/vms/xm-vms64.h: Delete.
3412 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3415 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3417 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3419 * opts.c (finish_options): Remove duplicate sorry.
3421 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3424 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3427 2012-01-04 Richard Guenther <rguenther@suse.de>
3430 * tree.c (size_low_cst): New function.
3431 * tree.h (size_low_cst): Declare.
3432 * fold-const.c (fold_comparison): Use it to extract the low
3433 part of the POINTER_PLUS_EXPR offset.
3435 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3437 Fix clearing ZERO_REG
3438 * config/avr/avr.md (cc): Add alternative "ldi".
3439 (movqi_insn): Use it in cc attribute.
3440 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3441 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3442 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3444 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3446 * configure: Regenerate.
3448 2012-01-04 Richard Guenther <rguenther@suse.de>
3450 PR tree-optimization/49651
3451 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3452 (var_can_have_subvars): Use it.
3453 (get_constraint_for_1): Only consider subfields if there can be any.
3455 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3458 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3459 to its new canonical_cselib_val and the cselib_val was in
3460 first_containing_mem chain, but the canonical_cselib_val was not,
3461 add the latter into the chain.
3462 (cselib_invalidate_mem): Compare canonical_cselib_val of
3463 addr_list chain elt with v.
3466 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3467 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3469 (output_macinfo_op): Don't ggc_strdup fd->filename.
3470 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3471 then ggc_strdup it. Don't free inc->info or cur->info.
3472 (output_macinfo): Don't free ref->info or file->info.
3474 2012-01-03 Ira Rosen <irar@il.ibm.com>
3476 PR tree-optimization/51269
3477 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3478 first_niters a pointer.
3479 (slpeel_tree_peel_loop_to_edge): Likewise.
3480 (vect_do_peeling_for_loop_bound): Update call to
3481 slpeel_tree_peel_loop_to_edge.
3482 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3483 here. Remove it from the parameters list.
3484 (vect_do_peeling_for_alignment): Update calls and compute
3487 2012-01-03 Richard Guenther <rguenther@suse.de>
3489 PR tree-optimization/51070
3490 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3491 Properly handle calls.
3493 2012-01-03 Richard Guenther <rguenther@suse.de>
3495 PR tree-optimization/51692
3496 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3497 the LHS of allocation stmts.
3499 2012-01-03 Olivier Hainque <hainque@adacore.com>
3501 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3503 2012-01-03 Olivier Hainque <hainque@adacore.com>
3505 * collect2.c (main): In AIX specific computations for vector
3506 insertions, use CONST_CAST2 to cast from char ** to const char **.
3508 2012-01-03 Richard Guenther <rguenther@suse.de>
3511 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3512 the context of a limbo DIE when it does not already exist.
3514 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3516 PR tree-optimization/51719
3517 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3518 but direct call is, clear direct call's lhs and don't add fallthrough
3519 edge from dcall_bb to join_bb and PHIs.
3521 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3523 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3524 the instructions emitted by the pattern.
3525 ("*TDC_insn_<mode>"): Add comment.
3527 2012-01-03 Richard Guenther <rguenther@suse.de>
3530 * fold-const.c (fold_comparison): Properly canonicalize
3531 tree offset and HOST_WIDE_INT bit position.
3533 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3535 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3536 operands for extzv pattern.
3538 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3541 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3544 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3546 * doc/invoke.texi (-flto and related options): Copy-edit.
3548 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3550 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3552 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3554 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3557 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3559 * expr.h (move_by_pieces_ninsns): Declare.
3560 * expr.c (move_by_pieces_ninsns): Make external.
3561 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3562 (mips_store_by_pieces_p): Likewise.
3563 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3564 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3565 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3566 (mips_store_by_pieces_p): Likewise.
3568 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3570 * passes.c (register_one_dump_file): Free full_name.
3572 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3573 (calculate_elim_costs_all_insns): Free offsets_at and
3574 offsets_known_at at the end and clear the pointers.
3576 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3578 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3579 this option introduced in r180739.
3581 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3584 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3585 (tmake_file target=avr): Add avr/t-multilib.
3587 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3588 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3589 * config/avr/genmultilib.awk: New file.
3590 * config/avr/t-multilib: New auto-generated file.
3591 * config/avr/multilib.h: New auto-generated file.
3592 * config/avr/t-avr (AVR_MCUS): New variable.
3593 (genopt.sh): Use it.
3594 (s-mlib): Depend on t-multilib.
3595 (t-multilib, multilib.h): New dependencies.
3596 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3597 (MULTILIB_OPTIONS): Remove.
3598 (MULTILIB_MATCHES): Remove.
3599 (MULTILIB_DIRNAMES): Remove.
3600 (MULTILIB_EXCEPTIONS): Remove:
3601 * config/avr/genopt.sh: Don't use hard coded file name;
3602 pass AVR_MCUS from t-avr instead.
3604 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3606 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3608 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3610 Implement light-weight DImode support.
3611 * config/avr/avr-dimode.md: New file.
3612 * config/avr/avr.md: Include it.
3613 (adjust_len): Add plus64, compare64.
3614 (HIDI): Remove code iterator.
3615 (code_stdname): New code attribute.
3616 (rotx, rotsmode): Remove DI.
3617 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3619 * config/avr/avr-protos.h (avr_have_dimode): New.
3620 (avr_out_plus64, avr_out_compare64): New.
3621 * config/avr/avr.c (avr_out_compare): Handle DImode.
3622 (avr_have_dimode): New variable definition and initialization.
3623 (avr_out_compare64, avr_out_plus64): New functions.
3624 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3625 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3626 (avr_compare_pattern): Skip DImode comparisons.
3628 2012-01-02 Revital Eres <revital.eres@linaro.org>
3630 * ddg.c (def_has_ccmode_p): New function.
3631 (add_cross_iteration_register_deps,
3632 create_ddg_dep_from_intra_loop_link): Call it.
3634 2012-01-02 Richard Guenther <rguenther@suse.de>
3637 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3639 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3641 * gcc.c (process_command): Update copyright notice dates.
3642 * gcov.c (print_version): Likewise.
3643 * gcov-dump.c (print_version): Likewise.
3644 * mips-tfile.c (main): Likewise.
3645 * mips-tdump.c (main): Likewise.
3647 2012-01-01 Ira Rosen <irar@il.ibm.com>
3649 PR tree-optimization/51704
3650 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3651 a use is inside the basic block or loop before accessing its vect info.
3653 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3655 PR rtl-optimization/51069
3656 * cfgloopmanip.c (remove_path): Removing path making irreducible
3657 region unconditional makes BB part of the region.
3659 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3661 PR tree-optimization/51683
3662 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3663 calls with side-effects.
3664 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3666 Copyright (C) 2012 Free Software Foundation, Inc.
3668 Copying and distribution of this file, with or without modification,
3669 are permitted in any medium without royalty provided the copyright
3670 notice and this notice are preserved.