1 2012-03-05 Richard Henderson <rth@redhat.com>
4 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
5 instead of calling negqi2 directly.
7 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
10 (INTMAX_TYPE): Use it.
11 (UINTMAX_TYPE): Likewise.
12 (SUBTARGET_OVERRIDE_OPTIONS): Define.
13 (irix6_c_common_override_options): Declare.
14 (C_COMMON_OVERRIDE_OPTIONS): Define.
15 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
16 * config/mips/irix6-c.c: New file.
17 * config/mips/t-irix6 (irix6-c.o): New target.
18 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
21 2012-03-02 Richard Henderson <rth@redhat.com>
23 * optabs.c (expand_atomic_test_and_set): Honor
24 atomic_test_and_set_trueval even when atomic_test_and_set
27 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
29 Backport from mainline
30 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
32 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
34 2012-03-02 Richard Guenther <rguenther@suse.de>
36 * DEV-PHASE: Set to prerelease.
38 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
40 * config.gcc (obsolete): Add all ARM targets using the FPA.
41 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
42 * doc/install.texi: Avoid references to obsolete ARM ports.
44 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
46 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
48 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
49 Joern Rennecke <joern.rennecke@embecosm.com>
51 * doc/extend.texi: Expand and update information on interrupt
52 attribute for Epiphany.
54 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
56 * config/sh/sh-protos.h: Update copyright notice dates.
57 * config/sh/sh.h: Likewise.
58 * config/sh/sh.md: Likewise.
59 * config/sh/constraints.md: Likewise.
60 * config/sh/predicates.md: Likewise.
62 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
64 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
65 * config/sh/sh.c (tertiary_reload_operand): Likewise.
67 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
69 * config/sh/constraints.md: Fix comment typo.
71 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
74 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
75 unsigned HOST_WIDE_INT.
76 (zvdep_imm64): Likewise.
77 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
78 (vdepi_and): Likewise.
79 Likewise for unamed 64-bit patterns.
80 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
82 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
85 PR rtl-optimization/52417
86 * cselib.c (cselib_any_perm_equivs): New variable.
87 (cselib_reset_table): Check that it's not set when not
89 (cselib_add_permanent_equiv): Set it.
90 (cselib_have_permanent_equivalences): New.
91 (cselib_init, cselib_finish): Reset it.
92 * cselib.h (cselib_have_permanent_equivalences): Declare.
93 * alias.c (get_addr): Restore earlier behavior when there
94 aren't permanent equivalences.
96 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
98 * config/mn10300/mn10300-modes.def: Fix copyright notice.
99 * config/v850/v850-modes.def: Fix copyright notice.
101 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
103 * doc/extend.texi (AVR Built-in Functions): Document
104 __builtin_avr_flash_segment.
106 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
107 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
108 (*split.flash_segment): New insn-and-split.
109 * config/avr/avr.c (avr_init_builtins): Add local variables:
110 const_memx_void_node, const_memx_ptr_type_node,
111 char_ftype_const_memx_ptr.
113 2012-03-01 Jakub Jelinek <jakub@redhat.com>
115 PR tree-optimization/52445
116 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
117 add ssa_name_ver, offset and size fields and change store field
119 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
120 (add_or_mark_expr): Likewise. Only consider previous stores
121 with the same size and offset.
122 (nt_init_block): Only look at gimple_assign_single_p stmts,
123 doesn't look at rhs2.
125 2012-03-01 Richard Guenther <rguenther@suse.de>
128 * tree-cfg.c (verify_gimple_assign_unary): Allow any
129 conversions from integral types to pointer types.
131 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
133 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
134 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
135 unintentionally removed in r184616.
137 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
139 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
142 2012-02-29 Jakub Jelinek <jakub@redhat.com>
143 Uros Bizjak <ubizjak@gmail.com>
146 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
147 alternatives, add "e" constraint to the new last alternative
148 and ! to last 3 alternatives.
150 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
152 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
153 DW_AT_artificial attributes at the end of the processing.
154 (gen_array_type_die): Likewise.
155 (gen_enumeration_type_die): Likewise.
156 (gen_struct_or_union_type_die): Likewise.
157 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
160 2012-02-29 Jakub Jelinek <jakub@redhat.com>
163 * expr.c (expand_assignment): If doing misaligned store that doesn't
164 cover all mode bits, perform a RMW cycle.
166 PR tree-optimization/52429
167 * tree-parloops.c (separate_decls_in_region_debug): Return early
168 if var is LABEL_DECL.
170 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
172 PR tree-optimization/52424
173 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
174 calling dom_thread_across_edge.
176 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
178 * config/avr/avr.c: Move definition of TARGET macros to end of file.
180 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
182 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
183 * config/avr/avr.c (avr_output_bld): Remove unused function.
184 (avr_out_sbxx_branch): Use "%T" to print bit position.
186 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
188 * config/avr/avr.md: Untabify.
190 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
192 * config/avr/avr.md (eqne): New code iterator.
193 (*dec-and-branchsi): Use it in text peephole's condition.
194 (*dec-and-branchhi): Ditto.
195 (*dec-and-branchqi): Ditto.
197 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
200 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
201 the device does not have the skip-bug.
203 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
205 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
206 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
207 -mpretend-cmove): New.
209 2012-02-29 Jakub Jelinek <jakub@redhat.com>
212 * df.h (struct df_d): Adjust comment that hard_regs_live_count
213 doesn't count DEBUG_INSN refs.
214 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
217 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
221 2012-02-20 Richard Guenther <rguenther@suse.de>
222 PR tree-optimization/52298
223 * tree-vect-stmts.c (vectorizable_load): Properly use
224 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
227 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
230 * gimple.h (gimple_in_transaction): New.
231 (gimple_set_in_transaction): New.
232 (struct gimple_statement_base): Add in_transaction field.
233 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
235 (tree_ssa_lim_initialize): Compute transaction bits.
236 * tree.h (compute_transaction_bits): Protoize.
237 * trans-mem.c (tm_region_init): Use the heap to store BB
239 (compute_transaction_bits): New.
241 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
243 * gcc.c (display_help): Document --help=common and sort entries
246 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
248 * doc/install.texi: Document check-$LANG specific shortcuts
250 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
253 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
255 * config/arm/arm_neon.h: Regenerate.
256 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
257 (neon_vcgeu): New insn.
258 (neon_vcgtu): Likewise.
259 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
260 (ops): Unsigned comparison intrinsics call a different
263 2012-02-28 Richard Guenther <rguenther@suse.de>
266 * config/i386/i386.c (ix86_expand_vector_set): Fix element
267 ordering for the VEC_CONCAT for two element vectors for
268 V2SFmode, V2SImode and V2DImode.
270 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
273 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
274 detecting big-endian triplets.
276 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
278 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
279 mode if there is no type information available.
281 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
283 PR tree-optimization/53207
284 * doc/invoke.texi: Document as experimental and relying on graphite.
286 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
288 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
289 of initializer to changes from r184614.
291 2012-02-28 Richard Guenther <rguenther@suse.de>
293 PR tree-optimization/52395
294 * tree-sra.c (build_ref_for_offset): Also look at the base
295 TYPE_ALIGN when figuring out the alignment of the replacement.
297 2012-02-28 Richard Guenther <rguenther@suse.de>
299 PR tree-optimization/52402
300 * ipa-prop.c (ipa_modify_call_arguments): Properly use
301 mis-aligned types when creating the accesses at the call site.
303 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
305 * config/avr/builtins.def: New file.
306 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
307 * config/avr/avr.c (enum avr_builtin_id): Use it.
308 (avr_init_builtins): Use it. And use avr_bdesc.
309 (bdesc_1arg): Remove.
310 (bdesc_2arg): Remove.
311 (bdesc_3arg): Remove.
312 (struct avr_builtin_description): Add field n_args.
313 (avr_bdesc): New static variable using builtins.def.
314 (avr_expand_builtin): Use it.
315 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
316 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
317 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
319 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
322 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
323 match only one single hard register with respective hard reg rtx.
324 (movmemx_<mode>): Ditto.
325 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
326 insn anatomy of movmem[x]_<mode>.
327 (avr_out_movmem): Same for printing assembler and operand usage.
329 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
333 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
334 address spaces located outside of device flash.
336 * config/avr/avr.h (base_arch_s): Remove field n_segments.
337 (mcu_type_s): Add field n_flash.
338 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
339 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
340 (AVR_MCU): Add N_FLASH argument.
341 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
342 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
343 macro __FLASH<n> if that address space makes sense for the device.
344 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
345 outside of target flash.
346 (avr_asm_named_section): Ditto.
347 (avr_asm_select_section): Ditto.
348 (avr_addr_space_convert): Ditto.
349 (avr_emit_movmemhi): Ditto.
350 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
351 address space is outside of device flash.
352 (avr_insert_attributes): Ditto.
353 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
354 avr_current_arch->n_segments.
356 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
359 * config/i386/i386.md (*movabs<mode>_1): Enable only for
361 (*movabs<mode>_2): Likewise.
363 2012-02-27 Jakub Jelinek <jakub@redhat.com>
366 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
367 s_register_operand in the test instead of REG_P. Don't call
368 gen_reg_rtx if it won't be used.
370 PR tree-optimization/52376
371 * ipa-split.c (split_function): Ignore CLOBBER stmts.
373 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
375 * ifcvt.c (noce_get_condition): Check condition variable is not
376 small_register_classes_for_mode_p before accepting.
378 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
380 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
382 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
385 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
386 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
388 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
390 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
392 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
394 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
396 * config/sh/predicates.md: Remove blank lines.
397 * config/sh/sh.c: Fix typos in comments.
398 * config/sh/constraints.md: Likewise.
399 * config/sh/sh.md: Remove blank lines.
400 Fix typos in comments. Use ;; as comment characters.
402 2012-02-26 Walter Lee <walt@tilera.com>
404 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
405 (replace_mov_pcrel_step2): Ditto.
407 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
410 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
411 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
412 and locs that reference values newer than the non-canonical value
413 at hand. Return the canonical value as a worst case.
414 (memrefs_conflict_p): Walk canonical value's locs.
417 * cselib.c (preserve_only_constants): Rename to...
418 (preserve_constants_and_equivs): ... this. Split out...
419 (invariant_or_equiv_p): ... this. Preserve plus expressions
420 of other preserved expressions too.
421 (cselib_reset_table): Adjust.
422 * var-tracking.c (reverse_op): Use canonical value to build
425 2012-02-23 Kai Tietz <ktietz@redhat.com>
427 * config/i386/i386.c (ix86_delegitimize_address): Handle
428 UNSPEC_PCREL plus displacement.
430 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
433 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
434 to test for unusedness in st X addressing.
436 2012-02-24 Richard Guenther <rguenther@suse.de>
439 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
440 (is_gimple_reg_type): Move inline ...
441 * gimple.h (is_gimple_reg_type): ... here.
443 2012-02-24 Richard Guenther <rguenther@suse.de>
446 * passes.c (execute_function_todo): When verifying SSA form
447 verify gimple form first.
448 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
450 2012-02-24 Richard Guenther <rguenther@suse.de>
453 * fold-const.c (fold_addr_of_array_ref_difference): New function.
454 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
456 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
458 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
460 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
462 * tree-phinodes.c (make_phi_node): Mark static.
463 * tree-flow.h (make_phi_node): Remove extern decl.
464 * doc/gimple.texi (make_phi_node): Remove documentation.
466 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
468 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
469 * tree-ssa-sccvn.c (print_scc): Ditto.
471 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
473 * doc/passes.texi (Full redundancy elimination): Fix typo.
475 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
477 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
479 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
482 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
484 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
487 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
489 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
491 * config/avr/avr.md (code_stdname): Add ior, xor.
492 (xior): New code iterator.
493 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
494 (*<code_stdname><mode>qi.byte1-3): Ditto.
496 2012-02-23 Jakub Jelinek <jakub@redhat.com>
498 PR tree-optimization/52019
499 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
502 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
504 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
505 HAVE_INITFINI_ARRAY to work around namespace pollution in
506 certain versions of newlib system headers.
507 * config.in: Regenerate.
508 * configure: Regenerate.
509 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
510 instead of HAVE_INITFINI_ARRAY.
512 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
515 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
516 is not offsettable memory reference.
518 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
521 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
522 setting avr_need_clear_bss_p for __gnu_lto* symbols.
524 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
526 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
527 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
529 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
531 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
532 library on Solaris 8 even without TLS support.
533 * configure: Regenerate.
535 2012-02-22 Richard Guenther <rguenther@suse.de>
538 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
539 for GIMPLE_DEBUG stmts.
541 2012-02-22 Martin Jambor <mjambor@suse.cz>
544 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
545 according to the base object.
547 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
549 PR rtl-optimization/50063
550 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
551 and 2 (8-bit SP) in operand 2.
552 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
553 setup to use movhi_sp_r instead of vanilla move to write SP.
554 Adjust REG_CFA notes to superseed unspec.
555 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
557 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
558 known to be off) only with TARGET_NO_INTERRUPTS. Never use
559 irq_state 1 (IRQ known to be on) here.
561 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
563 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
565 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
566 assign_hard_reg): Likewise.
568 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
570 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
572 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
575 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
576 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
578 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
580 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
581 prototype from here to...
582 * config/avr/avr.h: ...here.
584 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
587 * thumb2.md (thumb2_shiftsi3_short): Split register and
588 immediate shifts. For register shifts tie operands 0 and 1.
589 (peephole2 for above): Check that register-controlled shifts
590 have suitably tied operands.
592 2012-02-21 Quentin Neill <quentin.neill@amd.com>
595 * config/i386/bdver1.md (bdver1_call, bdver1_push,
596 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
597 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
598 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
599 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
600 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
601 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
602 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
603 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
604 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
605 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
606 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
607 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
608 bdver1_ssevector_avx256_unaligned_load,
609 bdver1_ssevector_sse128_unaligned_load,
610 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
611 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
612 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
613 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
614 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
615 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
616 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
617 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
618 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
619 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
620 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
621 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
622 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
623 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
624 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
625 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
626 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
627 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
628 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
629 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
630 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
631 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
632 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
633 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
634 bdver1_ssediv_double_load, bdver1_ssediv_double,
635 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
636 Add "bdver2" attribute.
638 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
640 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
641 default if possible and not specified otherwise.
643 2012-02-21 Richard Guenther <rguenther@suse.de>
646 * gimplify.c (create_tmp_from_val): Use the main variant type
647 for the type of the temporary we create.
649 2012-02-21 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/52324
652 * gimplify.c (gimplify_expr): When re-gimplifying expressions
653 do not gimplify a MEM_REF address operand if it is already
656 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
658 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
659 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
661 2012-02-21 Richard Guenther <rguenther@suse.de>
663 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
666 2012-02-21 Jakub Jelinek <jakub@redhat.com>
668 PR tree-optimization/52318
669 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
670 vdef also to non-pure/const call stmts in the sequence.
672 2012-02-20 David S. Miller <davem@davemloft.net>
674 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
675 don't use the "rd %pc" instruction on v9 for PIC register loads.
677 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
680 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
681 in a transaction safe function.
683 2012-02-20 Kai Tietz <ktietz@redhat.com>
686 * stor-layout.c (place_field): Handle desired_align for
689 2012-02-20 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/52298
692 * tree-vect-stmts.c (vectorizable_store): Properly use
693 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
695 (vectorizable_load): Likewise.
696 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
697 Access DR_STEP after ensuring it is not NULL.
699 2012-02-20 Jakub Jelinek <jakub@redhat.com>
701 PR tree-optimization/52286
702 * fold-const.c (fold_binary_loc): For (X & C1) | C2
703 optimization use double_int_to_tree instead of build_int_cst_wide,
704 rewrite to use double_int vars.
706 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
709 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
711 Remove -e 0 from $gcc_cv_ld invocation.
712 Only use __GLIBC_PREREQ if defined.
713 Enable on Solaris since Solaris 8 patch.
714 (gcc_SUN_LD_VERSION): New macro.
715 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
716 gcc_SUN_LD_VERSION for version number format.
717 * configure: Regenerate.
718 * varasm.c (get_elf_initfini_array_priority_section): Set
719 SECTION_NOTYPE for non-default priority.
720 Use get_section instead of get_unnamed_section to emit
721 .init_array/.fini_array with default priority.
723 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
725 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
726 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
727 (mips_start_unique_function, mips_output_mips16_rdhwr)
728 (mips_code_end): New functions.
729 (TARGET_ASM_CODE_END): Define.
731 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
733 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
734 to stubs with non-sibling calls.
736 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
738 * doc/invoke.texi (-fira-* options): Copy-edit.
739 (ira-* parameters): Copy-edit.
741 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
743 * doc/invoke.texi: Minor copy-edits to bring into conformance with
744 GCC coding conventions.
746 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
748 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
749 when used as adjectives.
751 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
753 * doc/invoke.texi: Clean up "that"/"which" confusion.
755 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
757 * system.h: Poison SMALL_REGISTER_CLASSES
758 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
759 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
761 2012-02-16 Jakub Jelinek <jakub@redhat.com>
763 PR tree-optimization/52285
764 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
765 when deciding if a call is a tail call or tail recursion.
767 2012-02-16 Kai Tietz <ktietz@redhat.com>
769 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
770 interger-constant displacement for UNSPEC_PCREL.
772 2012-02-16 Jakub Jelinek <jakub@redhat.com>
774 PR rtl-optimization/52208
775 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
776 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
778 PR tree-optimization/52255
779 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
780 loop->header has virtual PHI, but exit_e->dest doesn't, add
781 virtual PHI to exit_e->dest and adjust all uses after the loop.
784 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
785 children with clone_tree_hash, not after it.
787 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
789 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
790 extended identifiers.
792 2012-02-16 Jakub Jelinek <jakub@redhat.com>
795 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
796 a same_body_alias, also test whether e->callee isn't a former
797 or current clone of the decl this is a same body alias of.
800 * cgraphunit.c (verify_cgraph_node): Fix a typo.
802 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
804 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
806 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
809 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
810 force_reg instead of copy_to_reg for better optimization. Force
811 non-register or memory operands into a register.
813 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
815 * extend.texi: Reserve upper bits of memory model for future use.
817 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
818 Anatoly Sokolov <aesok@post.ru>
819 Eric Weddington <eric.weddington@atmel.com>
822 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
823 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
824 Rewrite initializers for .macro.
825 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
826 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
827 atxmega32d4, atxmega32x1.
828 avrxmega4: atxmega64a3, atxmega64d3.
829 avrxmega5: atxmega64a1, atxmega64a1u.
830 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
831 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
832 avrxmega7: atxmega128a1, atxmega128a1u.
833 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
834 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
835 (struct base_arch_s): Rename reserved to xmega_p.
836 Rename reserved2 to have_rampd.
837 (AVR_XMEGA): New define.
838 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
839 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
840 * config/avr/predicates.md (io_address_operand): Take into
842 (low_io_address_operand): Ditto.
843 (high_io_address_operand): Ditto.
844 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
845 (enabled, movhi_sp_r): Use them.
846 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
847 cpp_define_formatted to built-in define __AVR_ARCH__.
848 (__AVR_XMEGA__): New built-in define.
849 (__AVR_HAVE_RAMPD__): New built-in define.
850 (__AVR_HAVE_RAMPX__): New built-in define.
851 (__AVR_HAVE_RAMPY__): New built-in define.
852 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
854 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
855 (avr_option_override): Initialize them.
856 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
857 (avr_init_expanders): Initialize them. No more block several calls.
858 (emit_push_sfr): New static function.
859 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
861 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
862 (avr_print_operand): Print addreeses as symbols for
863 RAMPX, RAMPY, RAMPD, CCP.
864 (output_movhi): Handle AVR_XMEGA when writing to SP.
865 (avr_out_movhi_mr_r_xmega): New static function.
866 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
867 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
868 __RAMPD__, __CCP__ as needed.
870 * config/avr/multilib.h: Regenerate.
871 * config/avr/t-multilib: Regenerate.
872 * config/avr/avr-tables.opt: Regenerate.
874 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
876 PR tree-optimization/50561
877 * graphite-flattening.c (lst_project_loop): Do not
878 remove old scattering dimensions after flattening.
879 (lst_do_flatten): Likewise.
881 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
883 * doc/extend.texi (AVR Built-in Functions): Remove doc for
884 __builtin_avr_map8, __builtin_avr_map16.
885 Document __builtin_avr_insert_bits.
887 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
888 (insert_bits): New insn.
889 (adjust_len.map_bits): Rename to insert_bits.
890 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
891 * avr-protos.h (avr_out_map_bits): Remove.
892 (avr_out_insert_bits, avr_has_nibble_0xf): New.
893 * config/avr/constraints.md (Cxf,C0f): New.
894 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
895 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
896 New built-in define __BUILTIN_AVR_INSERT_BITS.
897 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
898 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
899 (avr_move_bits): Rewrite.
900 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
902 (avr_map_op_t): New typedef.
903 (avr_map_op): New static variable.
904 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
905 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
906 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
907 (bdesc_3arg, avr_expand_triop_builtin): New.
908 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
909 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
910 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
911 (avr_map_equal_p, avr_map_sig_p): Remove.
912 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
913 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
914 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
915 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
916 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
917 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
919 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
921 * config/c6x/c6x.md (reserve_cycles): New attribute.
922 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
923 don't reserve functional units after the branch occurs.
925 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
928 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
929 functions into non-tm_pure functions.
931 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
934 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
935 (iterative_hash_canonical_type): Likewise.
936 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
939 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
941 * haifa-sched.c (prune_ready_list): Ensure that if there is a
942 sched-group insn, it either remains alone or the entire list is pruned.
944 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
946 * doc/install.texi (Prerequisites): Fix grammar.
947 (Configuration): Likewise.
949 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
951 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
952 MPC as part of GCC before describing configuring with --with-gmp etc.
953 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
956 2012-02-14 Jakub Jelinek <jakub@redhat.com>
959 * dwarf2out.c (clone_tree_hash): New function.
960 (copy_decls_walk): Use it instead of clone_tree.
962 2012-02-14 Richard Guenther <rguenther@suse.de>
964 PR tree-optimization/52244
965 PR tree-optimization/51528
966 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
967 replacements for integral types.
969 2012-02-14 Walter Lee <walt@tilera.com>
971 * config.gcc: Handle tilegx and tilepro.
972 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
974 Add HAVE_AS_TLS check for tilegx and tilepro.
975 * configure: Regenerate.
976 * doc/contrib.texi: Add Mat Hostetter and self.
977 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
978 Document instruction intrinsics and network accessing intrinsics.
979 (TILEPro Built-in Functions): New node. Document instruction
980 intrinsics and network accessing intrinsics.
981 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
982 (Specific, tilepro-*-linux*): Likewise.
983 * doc/invoke.texi (TILE-Gx Options): New section.
984 (TILEPro Options): New section.
985 * doc/md.texi (TILE-Gx): New section.
986 (TILEPro): New section.
987 * common/config/tilegx/tilegx-common.c: New file.
988 * common/config/tilepro/tilepro-common.c: New file.
989 * config/tilegx/constraints.md: New file.
990 * config/tilegx/linux.h: New file.
991 * config/tilegx/mul-tables.c: New file.
992 * config/tilegx/predicates.md: New file.
993 * config/tilegx/sync.md: New file.
994 * config/tilegx/t-tilegx: New file.
995 * config/tilegx/tilegx-builtins.h: New file.
996 * config/tilegx/tilegx-c.c: New file.
997 * config/tilegx/tilegx-generic.md: New file.
998 * config/tilegx/tilegx-modes.def: New file.
999 * config/tilegx/tilegx-multiply.h: New file.
1000 * config/tilegx/tilegx-protos.h: New file.
1001 * config/tilegx/tilegx.c: New file.
1002 * config/tilegx/tilegx.h: New file.
1003 * config/tilegx/tilegx.md: New file.
1004 * config/tilegx/tilegx.opt: New file.
1005 * config/tilepro/constraints.md: New file.
1006 * config/tilepro/gen-mul-tables.cc: New file.
1007 * config/tilepro/linux.h: New file.
1008 * config/tilepro/mul-tables.c: New file.
1009 * config/tilepro/predicates.md: New file.
1010 * config/tilepro/t-tilepro: New file.
1011 * config/tilepro/tilepro-builtins.h: New file.
1012 * config/tilepro/tilepro-c.c: New file.
1013 * config/tilepro/tilepro-generic.md: New file.
1014 * config/tilepro/tilepro-modes.def: New file.
1015 * config/tilepro/tilepro-multiply.h: New file.
1016 * config/tilepro/tilepro-protos.h: New file.
1017 * config/tilepro/tilepro.c: New file.
1018 * config/tilepro/tilepro.h: New file.
1019 * config/tilepro/tilepro.md: New file.
1020 * config/tilepro/tilepro.opt: New file.
1022 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1024 PR tree-optimization/52210
1025 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1026 vect_model_simple_cost with two entry vect_def_type array instead
1027 of an address of dt.
1029 2012-02-14 Richard Guenther <rguenther@suse.de>
1032 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1033 Do not stream DECL_QUALIFIER.
1034 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1035 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1036 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1038 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1041 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1044 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1047 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1048 * cselib.c (cselib_subst_to_values_from_insn): New function.
1049 * sched-deps.c (add_insn_mem_dependence,
1050 sched_analyze_1, sched_analyze_2): Use it.
1052 2012-02-13 Jan Hubicka <jh@suse.cz>
1055 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1057 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1059 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1060 (GTM_SELF_SPECS): Define if not already defined.
1061 (driver_self_specs): Add GTM_SELF_SPECS.
1062 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1063 (GTM_SELF_SPECS): Define.
1064 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1065 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1067 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1069 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1072 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1075 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1076 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1078 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1081 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1083 2012-02-13 Richard Guenther <rguenther@suse.de>
1085 PR translation/52211
1086 * passes.c (enable_disable_pass): Fix typo.
1088 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1091 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1092 XOR for reduce_bit_field if type is unsigned.
1094 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1096 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1097 disallow changes from SFmode to mode with different size in FP regs.
1099 2012-02-12 Robert Millan <rmh@gnu.org>
1100 Gerald Pfeifer <gerald@pfeifer.com>
1102 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1105 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1107 PR rtl-optimization/52175
1108 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1109 to frame-related instructions.
1111 2012-02-10 Jason Merrill <jason@redhat.com>
1114 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1115 (demangle_new_symbols): Fill it.
1116 (scan_linker_output): Walk it.
1117 (start_tweaking): Split out from scan_linker_output.
1118 (maybe_tweak): Update sym->chosen.
1119 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1121 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1124 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1126 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1128 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1129 having the same mode as previous compare.
1131 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1133 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1134 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1135 (nonlocal_goto_internal): Likewise.
1136 (nonlocal_goto): Emit a use and an indirect jump directly.
1138 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1141 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1142 __atomic_{is,always}_lock_free.
1144 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1147 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1148 negative constant address for x32.
1150 2012-02-10 Richard Henderson <rth@redhat.com>
1152 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1153 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1154 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1156 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1157 Ira Rosen <irar@il.ibm.com>
1159 PR tree-optimization/50031
1160 * targhooks.c (default_builtin_vectorization_cost): Handle
1162 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1163 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1164 all types of reduction and pattern statements.
1165 (vect_estimate_min_profitable_iters): Likewise.
1166 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1167 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1168 for explicit realigns.
1169 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1170 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1172 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1173 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1174 vec_perm for VSX and handle vec_promote_demote.
1176 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1179 * builtins.c (fold_builtin_atomic_always_lock_free,
1180 expand_builtin_atomic_always_lock_free,
1181 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1182 Return and/or test boolean_true_node/boolean_false_node instead of
1183 integer_one_node/integer_zero_node.
1185 2012-02-10 Jan Hubicka <jh@suse.cz>
1188 * predict.c (predict_paths_for_bb): Prevent looping.
1189 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1191 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1193 * config/arm/arm.c (output_move_double): In one case properly
1194 count number of instructions that will be emitted.
1196 2012-02-10 Richard Guenther <rguenther@suse.de>
1198 PR translation/52193
1199 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1201 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1204 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1206 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1209 * var-tracking.c (emit_note_insn_var_location): If
1210 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1211 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1212 non-NOTE_DURING_CALL_P insn.
1214 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1217 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1219 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1222 * gcc.c (switch_matches) Support switches with separated form,
1225 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1227 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1229 (RAMPZ_ADDR): Ditto.
1230 * config/avr/avr.c (avr_addr_t): New typedef.
1231 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1232 (avr_init_expanders): Initialize it.
1233 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1235 (expand_epilogue): Ditto.
1236 (avr_print_operand): Ditto.
1237 (avr_file_start): Ditto.
1238 (avr_emit_movmemhi): Ditto.
1240 2012-02-08 Richard Guenther <rguenther@suse.de>
1242 PR tree-optimization/46886
1243 * tree-flow.h (do_while_loop_p): Declare.
1244 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1245 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1247 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1249 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1250 always succeed for integers larger than a native word.
1252 2012-02-08 Richard Guenther <rguenther@suse.de>
1254 PR rtl-optimization/52170
1255 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1256 properly handle integer vector modes.
1258 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1260 PR gcov-profile/52150
1261 * coverage.c: Include target.h.
1262 (build_var): Call targetm.strip_name_encoding on the assembler name.
1263 Change one _ into . or $ if the target allows it.
1264 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1266 PR rtl-optimization/52139
1267 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1268 is a BARRIER after emit_insn_after_noloc, move BB_END
1269 to the last non-BARRIER insn before it.
1271 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1274 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1275 (mips_gimplify_va_arg_expr): Call it instead of
1276 std_gimplify_va_arg_expr.
1278 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1280 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1281 message for -mno-pointers-to-nested-function.
1283 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1286 * expr.c (get_inner_reference): If there is an offset, add a negative
1287 bit position to it (if any).
1289 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1291 PR rtl-optimization/52060
1292 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1293 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1294 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1295 and/or i0src_copy2 when needed.
1297 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1299 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1300 or LTOPLUGINSONAME if have_c.
1302 * config/freebsd-spec.h: Add comment about what macros can be defined
1304 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1305 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1308 2012-02-07 Richard Guenther <rguenther@suse.de>
1310 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1311 newline in -alias dumps.
1313 2012-02-07 Kai Tietz <ktietz@redhat.com>
1314 Dave Korn <dave.korn.cygwin@gmail.com>
1317 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1318 Take care that typinfo gets dllexport-attribute.
1320 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1323 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1324 if modifier < EXPAND_SUM call force_operand on the result.
1326 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1328 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1329 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1331 (epiphany_function_type): Replace types for specific interrupts with
1332 EPIPHANY_FUNCTION_INTERRUPT.
1333 (EPIPHANY_INTERRUPT_P): Update.
1334 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1335 New static function.
1336 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1337 <disinterrupt>: Affects type identity.
1338 (epiphany_handle_interrupt_attribute): Handle variable number of
1340 (epiphany_compute_function_type): Update for new
1341 epiphany_function_type definition.
1342 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1343 handlers with a longcall forwarder.
1344 (epiphany_start_function): Handle multiple interrupt arguments and/or
1345 forwarder_section attribute.
1347 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1350 2012-02-07 Alan Modra <amodra@gmail.com>
1353 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1356 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1358 PR tree-optimization/50969
1359 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1360 use vec_perm rather than vector_stmt.
1361 (vect_model_load_cost): Likewise.
1362 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1363 vec_perm to be the same as other vector statements.
1364 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1365 cost of vec_perm for TARGET_VSX.
1367 2012-02-06 Richard Guenther <rguenther@suse.de>
1369 PR tree-optimization/52115
1370 * tree-sra.c (access_has_replacements_p): New function.
1371 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1373 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1376 * trans-mem.c (expand_call_tm): Add an assertion.
1377 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1380 2012-02-06 Richard Guenther <rguenther@suse.de>
1382 PR tree-optimization/50955
1383 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1384 raise cost of expressions that replace an address with an
1385 expression based on a different pointer.
1387 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1390 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1391 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1393 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1396 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1397 -Weffc++ and specify guidelines come from second edition.
1399 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1401 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1402 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1403 (call_direct_split, call_value_split, call_value_internal_direct)
1404 (call_value_direct_split, call_value_multiple_split): Use jal and
1405 jal_macro attributes.
1407 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1409 * reload1.c (reload_regs_reach_end_p): Replace with...
1410 (reload_reg_rtx_reaches_end_p): ...this function.
1411 (new_spill_reg_store): Update commentary.
1412 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1413 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1414 before setting new_spill_reg_store.
1415 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1416 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1417 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1418 for non-spill reload registers.
1420 2012-02-05 Ira Rosen <irar@il.ibm.com>
1422 PR tree-optimization/52091
1423 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1424 (vect_is_simple_use_1): Likewise.
1425 * tree-vect-loop.c (vectorizable_reduction): Update calls
1426 to vect_is_simple_use_1 and vect_is_simple_use.
1427 (vectorizable_live_operation): Likewise.
1428 * tree-vect-patterns.c (widened_name_p,
1429 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1430 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1431 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1432 vectorizable_shift,vectorizable_operation, vectorizable_store,
1433 vectorizable_load): Likewise.
1434 (vect_is_simple_cond): Add an argument, pass it to
1435 vect_is_simple_use_1.
1436 (vectorizable_condition): Update calls to vect_is_simple_cond,
1438 (vect_is_simple_use): Add an argument, the statement in which
1439 OPERAND is used. Check that if OPERAND's def stmt is a double
1440 reduction phi node, the use is a phi node too.
1441 (vect_is_simple_use_1): Add an argument, pass it to
1443 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1444 to vect_is_simple_use.
1446 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1448 PR rtl-optimization/52095
1449 * modulo-sched.c (dump_insn_locator): New function.
1450 (loop_canon_p, sms_schedule): Use it.
1452 PR rtl-optimization/52113
1453 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1454 even for decomposable shift/zext insns.
1456 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1457 Zdenek Dvorak <ook@ucw.cz>
1459 PR rtl-optimization/52092
1460 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1461 on get_iv_value result.
1463 2012-02-02 Andrew Pinski <apinski@cavium.com>
1467 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1469 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1472 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1474 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1476 PR rtl-optimization/49800
1477 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1478 (sched_finish): Call regstat_free_n_sets_and_refs.
1480 2012-02-02 Jia Liu <proljc@gmail.com>
1482 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1485 2012-02-02 Jan Hubicka <jh@suse.cz>
1486 Tom de Vries <tom@codesourcery.com>
1489 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1490 * varpool.c (varpool_analyze_pending_decls): Likewise.
1492 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1493 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1495 * config.gcc: Add cr16-* support.
1497 * doc/extend.texi: Document cr16 extensions.
1498 * doc/install.texi: Document cr16 install.
1499 * doc/invoke.texi: Document cr16 options.
1500 * doc/md.texi: Document cr16 constraints.
1502 * common/config/cr16/cr16-common.c: New file.
1503 * config/cr16/cr16.c: New file.
1504 * config/cr16/cr16.h: New file.
1505 * config/cr16/cr16.md: New file.
1506 * config/cr16/cr16.opt: New file.
1507 * config/cr16/cr16-protos.h: New file.
1508 * config/cr16/predicates.md: New file.
1509 * config/cr16/constraints.md: New file.
1510 * config/cr16/t-cr16: New file.
1512 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1515 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1516 that operands[2] is either immediate, or q_regs_operand.
1518 PR tree-optimization/52073
1519 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1520 a pattern stmt for pattern uses, ignore uses outside of the loop.
1522 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1524 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1525 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1526 (OUT_AS1, OUT_AS2): Remove.
1528 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1530 PR rtl-optimization/51374
1531 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1532 to cross other volatile_refs_p insns.
1534 2012-02-01 Richard Guenther <rguenther@suse.de>
1536 * doc/invoke.texi (fno-inline): Clarify documentation.
1537 (finline-small-functions): Likewise.
1538 (finline-functions): Likewise.
1539 * common.opt (finline): Adjust comment and documentation.
1540 (finline-small-functions): Clarify documentation.
1541 (finline-functions): Likewise.
1542 (finline-functions-called-once): Likewise.
1544 2012-02-01 Tristan Gingold <gingold@adacore.com>
1546 * c-typeck.c (composite_type): Keep mode for pointers.
1548 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1550 * function.h (regno_reg_rtx): Adjust comment.
1551 * reginfo.c (init_reg_modes_target): Only use the previous mode
1552 if it fits within one register. Remove MIPS comment.
1554 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1557 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1559 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1561 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1562 to srak instruction.
1564 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1566 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1568 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1573 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1575 2012-01-31 Richard Guenther <rguenther@suse.de>
1577 PR tree-optimization/51528
1578 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1581 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1586 * ree.c (add_removable_extension): Change def_map argument
1587 to unsigned *, store in def_map 1 + offset into *insn_list vector
1588 instead of pointers into the vector.
1589 (find_removable_extensions): Adjust caller.
1591 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1593 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1594 Transform all "* quoted-c-code" to { c-code }.
1595 Remove redundant test for "optimize" in combine patterns.
1596 Move (include "avr-dimode.md") to end of file.
1598 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1601 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1602 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1604 2012-01-30 Richard Guenther <rguenther@suse.de>
1606 PR tree-optimization/52028
1607 * tree-loop-distribution.c (ldist_gen): Properly update
1610 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1613 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1614 set_cur_line_info_table if not emitting debug info.
1616 PR tree-optimization/52046
1617 * tree-vect-patterns.c (check_bool_pattern): Give up if
1618 a comparison could throw.
1621 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1623 2012-01-30 Richard Guenther <rguenther@suse.de>
1625 PR tree-optimization/52045
1626 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1627 SSA form if cfgcleanup did anything.
1629 2012-01-30 Richard Guenther <rguenther@suse.de>
1631 PR tree-optimization/52045
1632 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1633 before computing final todo.
1635 2012-01-30 Richard Guenther <rguenther@suse.de>
1637 PR tree-optimization/51528
1638 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1641 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1643 * df-problems.c (df_kill_notes): Check that the use refers
1644 to the note under examination.
1646 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1649 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1650 parameter and use short-lived pseudos.
1651 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1652 (sparc_expand_vector_init): Const-ify local variables and adjust
1653 calls to above functions.
1655 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1657 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1659 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1661 * doc/invoke.texi: Make usage of "compile time" and
1662 "run time"/"runtime" consistent throughout the file.
1664 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1666 * config/alpha/alpha.c (alpha_option_override): Default to
1667 full IEEE compliance mode for Go language.
1669 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1671 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1672 (LINK_SSP_SPEC): Define.
1674 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1677 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1680 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1682 * doc/invoke.texi: Correct hyphenation of "floating point",
1683 "double precision", and related terminology throughout the file.
1685 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1688 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1689 arm_general_register_operand predicate for operand 2 instead of
1692 2012-01-27 Ian Lance Taylor <iant@google.com>
1695 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1696 * builtins.c (expand_builtin_init_trampoline): Add onstack
1697 parameter. Change caller.
1698 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1699 * tree.c (build_common_builtin_nodes): Declare
1700 __builtin_init_heap_trampoline.
1702 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1704 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1705 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1706 * config/avr/avr.c: Ditto.
1707 (avr_regnames): Remove because unused.
1708 * config/avr/avr.md (*cpse.ne): New peephole.
1709 (*cpse.eq): New peephole from former cpse peepholes.
1711 2012-01-27 Michael Eager <eager@eagercon.com>
1713 * config/microblaze.c (microblaze_emit_compare): Correct
1714 test after pcmp instruction.
1716 2012-01-27 Richard Guenther <rguenther@suse.de>
1718 PR tree-optimization/52020
1719 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1721 2012-01-27 Richard Guenther <rguenther@suse.de>
1723 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1724 function non-const/pure.
1726 2012-01-27 Richard Guenther <rguenther@suse.de>
1728 PR tree-optimization/50444
1729 * tree-sra.c (build_ref_for_offset): Properly adjust the
1730 MEM_REF type for unaligned accesses.
1732 2012-01-27 Richard Guenther <rguenther@suse.de>
1734 PR tree-optimization/50444
1735 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1736 (expand_assignment): Use it. Properly handle misaligned
1737 bases when expanding stores to component references.
1738 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1741 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1744 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1745 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1746 * tree-data-ref.c (find_data_references_in_loop): Make static.
1747 (compute_all_dependences): Change return type to bool. Bail out
1748 for too many datarefs in a loop. Move the hunk resetting the data
1749 dependences vector from ...
1750 (compute_data_dependences_for_loop): ... here. Account for
1751 compute_all_dependences returning false.
1752 (compute_data_dependences_for_bb): Likewise.
1753 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1754 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1756 2012-01-27 Richard Guenther <rguenther@suse.de>
1759 * expr.c (store_field): Use the alias-set of the scratch memory
1762 2012-01-27 Tom de Vries <tom@codesourcery.com>
1764 PR tree-optimization/51990
1765 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1767 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1769 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1772 * var-tracking.c (reverse_op): Don't add any reverse operation
1773 if V already has any constant locations.
1775 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1777 * doc/invoke.texi: Correct usage of "command line" (noun)
1778 vs "command-line" (adjective) throughout.
1780 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1782 * doc/invoke.texi (Language Independent Options): Move
1783 -Wcoverage-mismatch blurb from here....
1784 (Warning Options): ...to here.
1786 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1788 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1789 Set rs6000_always_hint to false for 476.
1791 2012-01-27 Matthias Klose <doko@ubuntu.com>
1793 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1795 * incpath.c (add_standard_paths): Likewise.
1797 2012-01-27 Richard Henderson <rth@redhat.com>
1799 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1800 * config/m68k/sync.md (atomic_test_and_set): Rename from
1801 sync_test_and_setqi and adjust the operands.
1802 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1803 and unconditionally enable.
1805 2012-01-27 Richard Henderson <rth@redhat.com>
1807 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1808 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1809 (ldstub): Rename from ldstubqi.
1810 (ldstub<I24MODE>): Remove.
1812 2012-01-27 Richard Henderson <rth@redhat.com>
1814 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1815 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1816 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1817 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1818 * doc/tm.texi: Rebuild.
1820 2012-01-27 Richard Henderson <rth@redhat.com>
1822 * optabs.c (gen_atomic_test_and_set): Remove default.
1823 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1825 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1827 PR rtl-optimization/51978
1828 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1829 (combine_reaching_defs): Likewise.
1830 (struct re_info): Remove.
1831 (add_removable_extension): Remove x and data arguments,
1832 add insn, insn_list and def_map. Use the arguments directly
1833 instead of using struct re_info.
1834 (find_removable_extensions): Don't call add_removable_extension
1835 through note_stores, instead just call it with single_set
1837 (find_and_remove_re): Pass curr_cand->expr instead of
1838 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1840 2012-01-26 Michael Matz <matz@suse.de>
1842 PR tree-optimization/46590
1843 * cfgexpand.c: Revert last change (r183305).
1844 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1846 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1847 checking for emptiness.
1849 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1852 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1853 non-addressable non-BLKmode base correctly.
1855 2012-01-26 Michael Matz <matz@suse.de>
1857 PR tree-optimization/48794
1858 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1859 regions referenced from RESX/EH_DISPATCH.
1861 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1863 * config/s390/s390.h: Make BRANCH_COST an option.
1864 * config/s390/s390.opt: New option -mbranch-cost.
1866 2012-01-26 Richard Henderson <rth@redhat.com>
1868 Revert 2012-01-24 change:
1869 * trans-mem.c (requires_barrier): Do not instrument thread local
1870 variables and emit save/restore for them.
1872 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1875 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1878 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1880 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1883 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1886 Rename __pgm to __flash.
1887 Rename __pgm1 to __flash1.
1888 Rename __pgm2 to __flash2.
1889 Rename __pgm3 to __flash3.
1890 Rename __pgm4 to __flash4.
1891 Rename __pgm5 to __flash5.
1892 Rename __pgmx to __memx.
1893 * doc/extend.texi (AVR Named Address Spaces)
1894 Rename address space names as indicated above.
1895 * config/avr/avr.c (avr_addrspace): Ditto.
1897 * config/avr/avr-protos.h
1898 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1899 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1900 * config/avr/predicates.md: Ditto.
1901 * config/avr/avr.c Ditto, and
1902 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1903 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1905 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1906 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1907 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1908 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1909 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1910 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1911 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1912 * config/avr/avr.c: Ditto.
1913 * config/avr/avr.md: Ditto.
1915 2012-01-25 Jason Merrill <jason@redhat.com>
1918 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1920 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1922 PR tree-optimization/51987
1923 * tree-data-ref.c (get_references_in_stmt): Handle references in
1924 non-volatile GIMPLE_ASM.
1926 2012-01-25 Richard Guenther <rguenther@suse.de>
1928 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1929 bases are dereferenced.
1931 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1933 PR rtl-optimization/48374
1934 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1936 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1938 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1939 compute_data_dependences_for_loop returns false.
1940 * tree-parloops.c (loop_parallel_p): Likewise.
1942 2012-01-25 Richard Guenther <rguenther@suse.de>
1944 * tree.h (get_pointer_alignment_1): Declare.
1945 * builtins.c (get_pointer_alignment_1): New function.
1946 (get_pointer_alignment): Use it.
1948 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1950 PR rtl-optimization/48308
1951 * combine.c (enum undo_kind): Add UNDO_LINKS.
1952 (struct undo): Add member l to other_contents and where.
1953 (do_SUBST_LINK): New.
1955 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1956 (undo_all): Handle UNDO_LINKS.
1958 2012-01-25 Richard Henderson <rth@redhat.com>
1960 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1963 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1965 * optabs.c (gen_atomic_test_and_set): Use each argument.
1967 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1969 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1970 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1971 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1972 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1973 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1974 TARGET_PAIRED_SINGLE_FLOAT.
1976 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1978 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1979 (in_struct, return_val): Remove MEM documentation.
1980 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1981 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1982 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1984 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1985 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1986 * expr.c (store_field): Likewise.
1987 * function.c (assign_stack_temp_for_type): Likewise.
1988 * ifcvt.c (noce_try_cmove_arith): Likewise.
1989 * reload1.c (reload): Likewise.
1990 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1991 (alpha_set_memflags): Likewise.
1992 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1994 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1996 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1998 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1999 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2000 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2002 * cselib.c (cselib_rtx_varies_p): Delete.
2003 (cselib_invalidate_mem): Update call to canon_true_dependence.
2004 * dse.c (record_store, check_mem_read_rtx): Likewise.
2005 (scan_reads_nospill): Likewise.
2006 * cse.c (check_dependence): Likewise.
2007 (cse_rtx_varies_p): Delete.
2008 * expr.c (safe_from_p): Update call to true_dependence.
2009 * ira.c (validate_equiv_mem_from_store): Likewise.
2010 (memref_referenced_p): Likewise.
2011 * postreload-gcse.c (find_mem_conflicts): Likewise.
2012 * sched-deps.c (sched_analyze_2): Likewise.
2013 * store-motion.c (load_kills_store): Likewise.
2014 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2015 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2016 (compute_transp): Update call to canon_true_dependence.
2018 2012-01-25 Richard Henderson <rth@redhat.com>
2020 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2021 (maybe_emit_atomic_test_and_set): New.
2022 (expand_sync_lock_test_and_set): Use it.
2023 (expand_atomic_test_and_set): Likewise.
2024 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2025 the implementation; clarify implementation defined details.
2026 * doc/md.texi (atomic_test_and_set): Document.
2028 2012-01-25 Richard Henderson <rth@redhat.com>
2030 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2032 2012-01-25 Richard Henderson <rth@redhat.com>
2035 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2036 to effect no-op split.
2038 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2041 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2042 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2043 (BT_FN_VOID_PTR_INT_SIZE): New.
2044 (BT_FN_UINT_UINT_VAR): Remove.
2045 (BT_FN_UINT32_UINT32_VAR): New.
2046 (BT_FN_DOUBLE_VPTR): Remove.
2047 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2049 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2050 (_ITM_changeTransactionMode): Same.
2051 (_ITM_memmoveRtWt): Change return type to void.
2052 (_ITM_memcpyRtWt): Same.
2053 (_ITM_memsetW): Same.
2054 (_ITM_RaRD): Change types to double.
2059 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2061 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2062 Patrick Marlier <patrick.marlier@gmail.com>
2064 * trans-mem.c (requires_barrier): Do not instrument thread local
2065 variables and emit save/restore for them.
2067 2012-01-24 Jason Merrill <jason@redhat.com>
2070 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2071 output static aliases.
2073 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2076 * common.opt (-pie, -shared, pie, shared): Change from Common to
2078 * gcc.c (display_help): Display help for -pie and -shared.
2080 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2083 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2084 Remove note on size/offset limitation.
2085 (AVR Variable Attributes): Add example how to read data located
2086 with progmem. Refer to named address spaces.
2087 * doc/invoke.texi (AVR Options): Fix typo.
2089 2012-01-24 Richard Guenther <rguenther@suse.de>
2091 Forward-port to trunk
2092 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2095 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2096 op0 isn't sufficiently aligned and there is movmisalignM
2097 insn for mode, use it to load op0 into a temporary register.
2099 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2102 * target.def (const_not_ok_for_debug_p): New hook.
2103 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2105 * doc/tm.texi: Regenerated.
2106 * dwarf2out.c (const_ok_for_output_1): If
2107 targetm.const_not_ok_for_debug_p returns true, fail.
2108 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2110 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2112 2012-01-23 Kai Tietz <ktietz@redhat.com>
2115 * config/i386/predicates.md (symbolic_operand): Allow
2116 UNSPEC_PCREL as PIC expression for lea.
2117 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2118 * config/i386/i386.c (ix86_delegitimize_address): Handle
2119 UNSPEC_PCREL for none-MEM, too.
2121 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2123 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2124 (ipa_tm_create_version_alias): Same.
2126 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2129 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2130 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2132 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2133 Patrick Marlier <patrick.marlier@gmail.com>
2134 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2137 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2138 simple_object_start_read.
2140 2012-01-23 Richard Guenther <rguenther@suse.de>
2143 PR tree-optimization/51895
2144 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2145 parameter decomposition into BLKmode components.
2147 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2149 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2150 fake variables for restrict-qualified pointers whose pointed-to type
2151 contains a placeholder.
2153 2012-01-23 Richard Guenther <rguenther@suse.de>
2155 PR tree-optimization/51949
2156 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2158 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2160 PR rtl-optimization/51933
2161 * ree.c (transform_ifelse): Return true right away if dstreg is
2162 already wider or equal to cand->mode.
2163 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2164 (make_defs_and_copies_lists): Remove defs_list and copies_list
2165 arguments, add state argument, just truncate state->work_list
2166 instead of always allocating and freeing the vector. Assert that
2167 get_defs succeeds instead of returning 2. Changed return type to bool.
2168 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2169 have ext_src_mode, see if it has been modified already with the
2170 right kind of extension and has been extended before from the
2171 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2172 just return true. Remember the original mode in state->modified array.
2173 (combine_reaching_defs): Add state argument. Don't allocate and
2174 free here def_list, copied_list and vec vectors, instead just
2175 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2176 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2177 Add state variable, clear vectors in it, initialize state.modified
2178 if needed. Free all the vectors at the end and state.modified too.
2179 Don't skip a candidate if the extension expression has been modified.
2181 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2184 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2185 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2186 (extra_options) interix.opt -> i386/interix.opt"
2187 (extra_objs):Add winnt-stubs.o
2188 * configure.ac: Add interix to target_os .comm on PE check.
2189 * configure: Regenerate.
2190 * config/interix3.h: Delete and move bits to..
2191 * config/interix.h: Delete and move bits to..
2192 * config/i386/i386-interix3.h: Delete and move bits to..
2193 * config/i386/i386-interix.h: ..here.
2194 (TARGET_CPU_DEFAULT): Remove redefinition.
2195 (TARGET_ASM_CONSTRUCTOR): Undefine.
2196 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2197 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2198 (PTRDIFF_TYPE): Define.
2199 (LONG_DOUBLE_TYPE_SIZE): Define.
2200 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2201 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2202 (TARGET_SECTION_TYPE_FLAGS): Define.
2203 (ASM_DECLARE_FUNCTION_NAME): Define.
2204 (ASM_OUTPUT_EXTERNAL): Define.
2205 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2206 (ASM_OUTPUT_ALIGNED_BSS): Define.
2207 (PCC_BITFIELD_TYPE_MATTERS): Define.
2208 (USE_CONST_SECTION): Define.
2209 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2210 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2211 (SUPPORTS_ONE_ONLY): Remove.
2212 (I386_PE_STRIP_ENCODING): Define.
2213 * config/interix.opt: Delete and move bits to..
2214 * config/i386/interix.opt: ..here. New.
2215 (mpe-aligned-commons): Add.
2216 * config/i386/t-interix: Add copyright header.
2217 (winnt-stubs.o): Add rule.
2219 2012-01-22 Jason Merrill <jason@redhat.com>
2222 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2223 for extra name aliases.
2225 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2227 PR rtl-optimization/51924
2228 * ree.c (combine_set_extension): Improve debugging message.
2229 (combine_reaching_defs): Likewise.
2230 (get_defs): Rename confusingly named variable.
2231 (find_and_remove_re): Skip a candidate if the extension expression has
2234 2012-01-21 Robert Millan <rmh@gnu.org>
2235 Gerald Pfeifer <gerald@pfeifer.com>
2237 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2238 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2240 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2242 PR tree-optimization/51914
2243 * tree-vect-stmts.c (vectorizable_conversion): For
2244 cvt_type && modifier == WIDEN, put temporary with cvt_type
2245 at the beginning of vec_dsts and set vec_dest to temporary
2248 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2250 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2252 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2254 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2255 * config/rs6000/rs6000.c: Likewise.
2257 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2260 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2261 output_move_double on a copy of operands array.
2263 2012-01-20 Cary Coutant <ccoutant@google.com>
2264 Dodji Seketeli <dodji@redhat.com>
2267 * dwarf2out.c (copy_declaration_context): Return ref to parent
2268 of declaration DIE, if necessary.
2269 (remove_child_or_replace_with_skeleton): Add new parameter; update
2270 caller. Place skeleton DIE under parent DIE of original declaration.
2271 Move call to copy_declaration_context to here ...
2272 (break_out_comdat_types): ... from here.
2274 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2276 PR rtl-optimization/51856
2277 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2280 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2283 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2284 hints for neon loads and stores.
2286 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2290 * doc/extend.texi (Named Address Spaces): Split into subsections.
2291 (AVR Named Address Spaces): New subsection.
2292 (M32C Named Address Spaces): New subsection.
2293 (RL78 Named Address Spaces): New subsection.
2294 (SPU Named Address Spaces): New subsection.
2295 (Variable Attributes): New anchor "AVR Variable Attributes".
2296 (AVR Variable Attributes): Rewrite and avoid wording
2297 "address space" in this context.
2298 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2299 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2300 (AVR Built-in Macros): New subsubsection therein.
2301 * doc/md.texi (AVR constraints): Remove "C04", "R".
2303 2012-01-20 Richard Guenther <rguenther@suse.de>
2305 PR tree-optimization/51903
2306 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2307 when removing stmts.
2309 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2312 * config/arm/arm.c (arm_load_pic_register): Use
2313 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2314 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2315 (arm_pic_static_addr): Likewise.
2316 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2317 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2318 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2319 (pic_load_addr_unified): New.
2321 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2324 * function.c (instantiate_virtual_regs_in_insn): Use
2325 delete_insn_and_edges when removing a wrong asm insn.
2327 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2329 PR rtl-optimization/40761
2330 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2331 Add new member loop_num.
2332 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2333 (ira_build): Remove the parameter.
2335 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2336 (ira.c): Do not build CFG loops for one region allocation. Remove
2337 argument from ira_build call.
2339 * ira-build.c (init_loop_tree_node): New function.
2340 (create_loop_tree_nodes): Use it. Separate the case when CFG
2341 loops are not built.
2342 (more_one_region_p): Check current_loops.
2343 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2345 (add_loop_to_tree): Process loop equal to NULL too.
2346 (form_loop_tree): Separate the case when CFG loops are not built.
2347 Use explicitly number for the root.
2348 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2350 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2351 instead of loop->num.
2352 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2353 (mark_all_loops_for_removal): Ditto.
2354 (remove_unnecessary_regions): Separate the case when CFG loops
2356 (ira_build): Remove the parameter. Use explicit number of regions
2357 when CFG loops are not built.
2359 * ira-color.c (print_loop_title): Separate the case for the root node.
2360 Use loop_num instead of loop->num.
2361 (move_spill_restore): Use loop_num instead of loop->num.
2363 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2364 (change_loop): Ditto.
2365 (change_loop): Use loop_num instead of loop->num.
2367 * ira-lives.c (process_bb_node_lives): Ditto.
2369 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2371 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2373 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2376 * tree-mudflap.c (mf_artificial): New function.
2377 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2378 mx_register_decls, mudflap_enqueue_decl): Use it.
2381 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2382 numbers in the insn pattern.
2384 2012-01-19 Michael Matz <matz@suse.de>
2386 PR tree-optimization/46590
2387 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2388 use it in remembering which conflicts we already created.
2389 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2392 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2395 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2396 (merge_and_complain): Same.
2398 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2401 * config/initfini-array.h: Guard content of the header
2402 with #ifdef HAVE_INITFINI_ARRAY.
2403 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2404 Add initfini-array.h to tm_file here.
2405 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2406 * config.gcc: Don't add initfini-array.h to tm_file here.
2407 * configure: Regenerated.
2409 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2411 PR rtl-optimization/51505
2412 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2413 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2414 (df_note_bb_compute): Update the call to df_kill_notes.
2416 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2418 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2420 2012-01-18 Richard Guenther <rguenther@suse.de>
2422 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2423 of conversions to void *.
2425 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2426 Richard Sandiford <rdsandiford@googlemail.com>
2430 * optabs.h (simplify_expand_binop): Declare.
2431 * optabs.c (simplify_expand_binop): Make global.
2432 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2433 endian targets if the source cannot be exactly covered by word
2436 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2439 * hard-reg-set.h (struct hard_reg_set_container): New type.
2440 * target.h (struct hard_reg_set_container): Forward declare.
2441 * target.def (set_up_by_prologue): New target hook.
2442 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2443 * doc/tm.texi: Regenerated.
2444 * function.c (thread_prologue_and_epilogue_insns): Change
2445 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2446 Call targetm.set_up_by_prologue on it.
2447 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2448 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2450 2012-01-17 Nick Clifton <nickc@redhat.com>
2452 * config/rx/rx.c (rx_can_use_simple_return): New function.
2453 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2454 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2456 2012-01-17 Richard Guenther <rguenther@suse.de>
2459 * expr.c (expand_assignment): Take address-space information
2460 from the address operand of MEM_REF and TARGET_MEM_REF.
2461 (expand_expr_real_1): Likewise.
2463 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2465 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2466 reload dump is requested.
2468 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2471 * trans-mem.c (requires_barrier): Call may_be_aliased.
2473 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2475 PR tree-optimization/51877
2476 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2477 call arguments and fndecls compare equal, instead return false if they
2478 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2479 both SSA_NAMEs that are valueized the same, or they satisfy
2482 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2484 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2486 * configure: Regenerate.
2488 2012-01-16 Jan Hubicka <jh@suse.cz>
2492 * convert.c (convert_to_integer): Use fold_convert for
2493 converting an INTEGER_CST to integer type.
2495 2012-01-16 Jason Merrill <jason@redhat.com>
2498 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2500 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2503 * config/s390/s390.c (s390_chunkify_start): Don't skip
2504 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2505 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2506 If insn is followed by NOTE_INSN_VAR_LOCATION or
2507 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2508 Don't use location of note insns.
2510 PR tree-optimization/51865
2511 * tree-inline.c (tree_function_versioning): Call remap_decl
2512 on DECL_RESULT whenever it has VOID_TYPE_P type.
2514 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2516 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2517 for calls to locally-binding MIPS16 functions if only the return
2518 type uses float regs.
2520 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2521 Richard Sandiford <rdsandiford@googlemail.com>
2523 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2524 (SYMBOL_32_HIGH): Likewise.
2525 (mips_output_tls_reloc_directive): Declare.
2526 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2527 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2528 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2529 (mips_lo_relocs, mips_hi_relocs): Make extern.
2530 (mips16_stub_function): Move up file.
2531 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2532 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2533 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2534 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2535 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2536 (mips_get_tp): Add MIPS16 support.
2537 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2538 Generalize DTPREL and TPREL handling.
2539 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2540 Add MIPS16 TLS support.
2541 (mips_output_tls_reloc_directive): New function.
2542 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2543 * config/mips/predicates.md (symbolic_operand_with_high)
2544 (tls_reloc_operand): New predicates.
2545 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2546 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2547 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2548 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2549 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2550 (*tls_get_tp_mips16_call_<mode>): Likewise.
2552 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2554 PR rtl-optimization/51821
2555 * recog.c (peep2_find_free_register): Determine clobbered registers
2558 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2561 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2562 * config/avr/avr.c: Likewise.
2563 * config/avr/avr.h: Likewise.
2565 2012-01-13 Ian Lance Taylor <iant@google.com>
2568 * tree.h (TYPE_QUALS): Add cast to int.
2569 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2571 2012-01-13 Ian Lance Taylor <iant@google.com>
2573 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2574 comparing param_index to VEC_length result.
2576 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2578 * c-decl.c: Do not include tree-mudflap.h
2579 * tree-optimize.c: Likewise.
2580 * Makefile.in: Update dependencies.
2582 2012-01-13 Richard Guenther <rguenther@suse.de>
2585 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2586 variable-sized result always use RSO.
2588 2012-01-12 DJ Delorie <dj@redhat.com>
2590 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2591 pointer type, not just the default pointer type.
2593 2012-01-09 Richard Henderson <rth@redhat.com>
2594 Denis Chertykov <chertykov@gmail.com>
2597 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2598 * config/avr/avr.c (avr_can_eliminate): Simplify.
2599 (avr_initial_elimination_offset): Likewise.
2600 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2601 (expand_epilogue): Likewise.
2602 (avr_legitimize_address): Gut.
2603 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2604 (avr_hard_regno_nregs): New.
2605 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2606 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2607 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2608 add soft frame pointer.
2609 (CALL_USED_REGISTERS): Likewise.
2610 (REG_CLASS_CONTENTS): Likewise.
2611 (REGISTER_NAMES): Likewise.
2612 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2613 (HARD_FRAME_POINTER_REGNUM): New.
2614 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2615 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2616 remove the HARD_FRAME_POINTER self-elimination.
2618 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2621 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2622 DECL_EXTERNAL when checking for initializers of progmem variables.
2624 2012-01-12 Ira Rosen <irar@il.ibm.com>
2626 PR tree-optimization/51799
2627 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2628 that the last operation is a type demotion.
2630 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2632 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2633 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2635 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2638 * combine.c (distribute_notes): If i3 is a noreturn call,
2639 allow old_size to be equal to args_size and make sure the
2640 noreturn call gets REG_ARGS_SIZE note.
2641 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2642 on noreturn calls even when the delta is 0.
2644 2012-01-11 Nathan Sidwell <nathan@acm.org>
2646 * gcov.c (STRING_SIZE): Remove.
2647 (generate_results): Erase annotations for source files with no
2648 coverage information.
2650 (output_lines): Use it.
2652 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2654 * gimple.h (gimplify_body): Remove first argument.
2655 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2656 pointer set here, instead just pass DATA to walk_tree.
2657 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2658 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2659 (unvisit_body): Likewise, but with unmark_visited.
2660 (gimplify_body): Remove BODY_P argument and adjust.
2661 (gimplify_function_tree): Adjust call to gimplify_body.
2662 * omp-low.c (finalize_task_copyfn): Likewise.
2664 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2666 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2667 (build_function_type_skip_args): Delete.
2668 * tree.c (build_function_type_skip_args): Make static and add
2669 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2670 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2671 pass it to build_function_type_skip_args.
2672 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2673 (tree_function_versioning): Likewise.
2674 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2675 build_function_decl_skip_args.
2676 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2677 and pass it to build_function_decl_skip_args/tree_function_versioning.
2678 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2679 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2680 * trans-mem.c (ipa_tm_create_version): Likewise.
2681 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2682 * tree-inline.c (declare_return_variable): Remove always-true test.
2683 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2684 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2685 * ipa-split.c (split_function): Skip the return value for the split
2686 part if it doesn't return.
2688 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2690 PR tree-optimization/49642
2691 * ipa-split.c (forbidden_dominators): New variable.
2692 (check_forbidden_calls): New function.
2693 (dominated_by_forbidden): Likewise.
2694 (consider_split): Check for forbidden dominators.
2695 (execute_split_functions): Initialize and free forbidden
2696 dominators info; call check_forbidden_calls.
2698 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2700 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2702 2012-01-11 Nick Clifton <nickc@redhat.com>
2704 * config/rx/rx.md (return): Define pattern.
2706 2012-01-11 Richard Guenther <rguenther@suse.de>
2708 * doc/extend.texi (malloc attribute): Adjust according to
2711 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2712 Patrick Marlier <patrick.marlier@gmail.com>
2715 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2716 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2717 (ipa_tm_note_irrevocable): Same.
2718 (ipa_tm_scan_irr_block): Same.
2719 (ipa_tm_decrement_clone_counts): Same.
2720 (ipa_tm_scan_irr_function): Same.
2721 (ipa_tm_create_version_alias): Same.
2722 (ipa_tm_create_version): Same.
2723 (ipa_tm_transform_calls_redirect): Same.
2724 (ipa_tm_transform_calls): Same.
2725 (ipa_tm_transform_transaction): Same.
2726 (ipa_tm_execute): Same.
2728 2012-01-10 Richard Guenther <rguenther@suse.de>
2731 * opts.c (common_handle_option): Handle -Werror.
2733 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2735 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2738 2012-01-10 Jason Merrill <jason@redhat.com>
2740 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2743 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2745 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2746 supports R_386_TLS_GD_PLT reloc.
2747 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2748 supports R_386_TLS_LDM_PLT reloc.
2749 * configure: Regenerate.
2750 * config.in: Regenerate.
2752 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2755 Extend __pgmx semantics to linearize memory.
2756 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2757 determine if code comes inline or from libgcc.
2758 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2759 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2760 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2761 (movmemx_qi, movmemx_hi): New insns.
2762 (xload_<mode>_libgcc): Rewrite to new insn condition.
2763 (xload_<mode>): Remove insns.
2764 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2765 cases that don't satisfy avr_xload_libgcc_p().
2766 (avr_addr_space_convert): Allow converting in any direction.
2767 (avr_addr_space_subset_p): Return always true.
2768 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2769 (avr_emit_movmemhi): Ditto.
2770 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2771 (avr_out_movmem): Ditto.
2772 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2773 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2774 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2775 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2776 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2778 2012-01-10 Richard Guenther <rguenther@suse.de>
2780 PR tree-optimization/50913
2781 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2782 Require data-refs to be representable by Graphite with respect
2785 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2787 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2788 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2790 2012-01-10 Tom de Vries <tom@codesourcery.com>
2792 PR rtl-optimization/51271
2793 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2794 handling annulled branch.
2796 2012-01-10 Richard Henderson <rth@redhat.com>
2798 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2799 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2800 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2801 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2802 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2803 arm_expand_vec_perm_const): New.
2804 * config/arm/arm-protos.h: Update.
2805 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2806 (*neon_vswp<VDQX>): New.
2807 (neon_vcombine<VDX>): Use neon_split_vcombine.
2808 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2809 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2810 (vec_perm<VE>): New.
2812 2012-01-10 Richard Henderson <rth@redhat.com>
2814 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2815 use it if reload_completed.
2816 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2817 arm_output_asm_insn, arm_process_output_memory_barrier,
2818 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2819 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2820 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2821 arm_process_output_sync_insn, arm_output_sync_insn,
2822 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2823 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2824 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2825 (emit_unlikely_jump): New.
2826 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2827 (arm_split_atomic_op): New.
2828 * config/arm/arm-protos.h: Update.
2829 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2830 (struct arm_sync_generator): Remove.
2831 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2832 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2833 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2834 (VUNSPEC_LL, VUNSPEC_SC): New.
2835 (sync_result, sync_memory, sync_required_value, sync_new_value,
2836 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2837 (attr length): Don't use arm_sync_loop_insns.
2838 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2839 (movsfcc, movdfcc): Likewise.
2840 * config/arm/constraints.md (Ua): New.
2841 * config/arm/prediates.md (mem_noofs_operand): New.
2842 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2843 (sync_clobber, sync_t2_reqd): Remove.
2844 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2845 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2846 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2847 (arm_sync_compare_and_swap<SIDI>): Remove.
2848 (arm_sync_compare_and_swap<NARROW>): Remove.
2849 (arm_sync_lock_test_and_set<SIDI>): Remove.
2850 (arm_sync_lock_test_and_set<NARROW>): Remove.
2851 (arm_sync_new_<syncop><SIDI>): Remove.
2852 (arm_sync_new_<syncop><NARROW>): Remove.
2853 (arm_sync_new_nand<SIDI>): Remove.
2854 (arm_sync_new_nand<NARROW>): Remove.
2855 (arm_sync_old_<syncop><SIDI>): Remove.
2856 (arm_sync_old_<syncop><NARROW>): Remove.
2857 (arm_sync_old_nand<SIDI>): Remove.
2858 (arm_sync_old_nand<NARROW>): Remove.
2859 (*memory_barrier): Merge arm_output_memory_barrier.
2860 (atomic_compare_and_swap<QHSD>): New.
2861 (atomic_compare_and_swap<NARROW>_1): New.
2862 (atomic_compare_and_swap<SIDI>_1): New.
2863 (atomic_exchange<QHSD>): New.
2864 (cas_cmp_operand, cas_cmp_str): New.
2865 (atomic_op_operand, atomic_op_str): New.
2866 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2867 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2868 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2869 (arm_load_exclusive<NARROW>): New.
2870 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2871 (arm_store_exclusive<QHSD>): New.
2873 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2875 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2876 reload patterns if -mvsx-scalar-memory.
2878 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2879 generated, even -mno-vsx-scalar-double was used.
2880 (vsx_xscvdpsp_scalar): Likewise.
2881 (vsx_xscvspdp_scalar2): Likewise.
2883 2012-01-09 Tom de Vries <tom@codesourcery.com>
2884 Andrew Pinski <apinski@cavium.com>
2887 * reorg.c (fill_slots_from_thread): Don't speculate
2888 frame-related insns.
2890 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2892 * sched-int.h (bb_note): Move to...
2893 * basic-block.h: ...here.
2894 * haifa-sched.c (bb_note): Move to...
2895 * cfgrtl.c: ...here.
2896 * function.c (next_block_for_reg): New function.
2897 (move_insn_for_shrink_wrap): Likewise.
2898 (prepare_shrink_wrap): Rewrite to use the above.
2900 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2902 * gimple.c (is_gimple_non_addressable): Remove.
2903 * gimple.h: Remove is_gimple_non_addressable.
2904 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2905 is_gimple_non_addressable.
2906 * trans-mem.c (expand_assign_tm): Same.
2908 2012-01-09 Richard Guenther <rguenther@suse.de>
2910 PR tree-optimization/51775
2911 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2912 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2914 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2916 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2918 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2920 2012-01-09 Richard Guenther <rguenther@suse.de>
2922 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2924 2012-01-08 Jan Hubicka <jh@suse.cz>
2926 PR tree-optimize/51680
2927 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2928 on when known_vals needs to be computed; cleanup.
2930 2012-01-08 Jan Hubicka <jh@suse.cz>
2932 PR tree-optimize/51694
2933 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2935 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2937 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2938 for -std=c++98 and -std=c++11 too.
2940 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2942 * cfgloop.c (cancel_loop): Add free() of bbs array.
2944 2012-01-07 Jan Hubicka <jh@suse.cz>
2946 PR tree-optimization/51600
2947 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2948 that benefits small functions.
2950 2012-01-07 Jan Hubicka <jh@suse.cz>
2952 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2954 2012-01-07 Jan Hubicka <jh@suse.cz>
2956 PR tree-optimization/51680
2957 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2958 whose inlining reduce unit size.
2960 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2963 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2964 Add canonical node to containing_mem chain after the non-canonical
2965 one, even if there weren't any locs to propagate.
2966 (remove_useless_values): Keep only canonical values.
2967 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2968 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2969 canonicalize mem_chain elements that are not discarded.
2971 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2974 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2975 before emitting functions.
2977 PR gcov-profile/50127
2978 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2979 clear_aux_for_blocks.
2981 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2984 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2986 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2988 * c-decl.c (ext_block): Moved up.
2989 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2991 2012-01-06 Han Shen <shenhan@google.com>
2993 Translate built-in include paths for sysroot.
2994 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2995 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2997 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2998 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3000 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3001 control whether sysroot should be prepended to gxx include dir.
3003 * configure: Regenerate.
3005 2012-01-06 Torvald Riegel <triegel@redhat.com>
3007 PR rtl-optimization/51771
3008 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3009 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3011 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3013 PR tree-optimization/51315
3014 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3015 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3017 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3020 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3021 for shrp pattern. Correctly handle and fixup shift variable.
3022 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3024 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3027 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3028 note when !ACCUMULATE_OUTGOING_ARGS.
3030 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3032 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3034 (extract_range_from_unary_expr_1): Avoid useless computations.
3036 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3038 PR rtl-optimization/51767
3039 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3040 of jump_block and add an extra edge for degenerated asm gotos.
3043 * stmt.c (check_unique_operand_names): Don't ICE during error
3044 reporting if i is from labels chain.
3047 * profile.c (branch_prob): Split bbs that have exit edge
3048 and need a fake entry edge too.
3050 2012-01-05 Jan Hubicka <jh@suse.cz>
3053 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3056 2012-01-05 Richard Guenther <rguenther@suse.de>
3059 * tree-streamer-out.c (write_ts_optimization): New function.
3060 (streamer_write_tree_body): Call it.
3061 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3062 (streamer_read_tree_body): Call it.
3063 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3065 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3068 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3069 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3070 in_cleanup_point_expr before gimplify_stmt call and restore it
3072 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3073 in_cleanup_point_expr is false.
3075 2012-01-05 Richard Guenther <rguenther@suse.de>
3078 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3080 * toplev.c (process_options): Reject combining mudflap and LTO.
3081 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3083 2012-01-05 Richard Guenther <rguenther@suse.de>
3085 PR tree-optimization/51760
3086 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3088 (bit_value_unop): Handle UNDEFINED operands.
3089 (bit_value_binop): Likewise.
3091 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3093 * config/avr/avr.c (avr_replace_prefix): Remove.
3094 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3095 (avr_asm_function_rodata_section): Ditto.
3096 (avr_asm_select_section): Ditto.
3098 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3100 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3103 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3106 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3107 calls that have any non-fake successor edges.
3110 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3112 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3114 PR tree-optimization/51624
3115 * tree-sra.c (build_ref_for_model): When replicating a chain of
3116 COMPONENT_REFs, stop as soon as the offset would become negative.
3118 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3121 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3122 in .debug_loc on the floor.
3124 2012-01-04 Andrew Pinski <apinski@cavium.com>
3126 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3128 2012-01-04 Andrew Pinski <apinski@cavium.com>
3129 Adam Nemet <anemet@caviumnetworks.com>
3131 * config/mips/mips.md (size): Add SI and DI.
3132 (SIZE): New mode attribute.
3133 (U): New code attribute.
3134 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3135 (mips_lbux_<mode>): Delete.
3136 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3137 (mips_lhx): Use gen_mips_lhx_extsi.
3138 (mips_lhx_<mode>): Delete.
3140 (mips_l<size>x): New expand.
3141 (mips_lwx_<mode>): Delete.
3142 (mips_l<GPR:size>x_<P:mode>): New pattern.
3143 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3144 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3145 * config/mips/mips.c (mips_lx_address_p): New function.
3146 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3147 (dsp64): New availability predicate.
3148 (mips_builtins): Add an entry for __builtin_mips_ldx.
3149 * config/mips/mips.h (ISA_HAS_LBX): New define.
3150 (ISA_HAS_LBUX): Likewise.
3151 (ISA_HAS_LHX): Likewise.
3152 (ISA_HAS_LHUX): Likewise.
3153 (ISA_HAS_LWX): Likewise.
3154 (ISA_HAS_LWUX): Likewise.
3155 (ISA_HAS_LDX): Likewise.
3156 * doc/extend.texi (__builtin_mips_ldx): Document.
3158 2012-01-04 Tristan Gingold <gingold@adacore.com>
3160 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3161 when long pointers are used.
3162 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3163 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3164 (ia64-hp-*vms*): Remove.
3165 * config/vms/xm-vms64.h: Delete.
3167 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3170 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3172 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3174 * opts.c (finish_options): Remove duplicate sorry.
3176 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3179 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3182 2012-01-04 Richard Guenther <rguenther@suse.de>
3185 * tree.c (size_low_cst): New function.
3186 * tree.h (size_low_cst): Declare.
3187 * fold-const.c (fold_comparison): Use it to extract the low
3188 part of the POINTER_PLUS_EXPR offset.
3190 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3192 Fix clearing ZERO_REG
3193 * config/avr/avr.md (cc): Add alternative "ldi".
3194 (movqi_insn): Use it in cc attribute.
3195 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3196 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3197 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3199 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3201 * configure: Regenerate.
3203 2012-01-04 Richard Guenther <rguenther@suse.de>
3205 PR tree-optimization/49651
3206 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3207 (var_can_have_subvars): Use it.
3208 (get_constraint_for_1): Only consider subfields if there can be any.
3210 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3213 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3214 to its new canonical_cselib_val and the cselib_val was in
3215 first_containing_mem chain, but the canonical_cselib_val was not,
3216 add the latter into the chain.
3217 (cselib_invalidate_mem): Compare canonical_cselib_val of
3218 addr_list chain elt with v.
3221 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3222 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3224 (output_macinfo_op): Don't ggc_strdup fd->filename.
3225 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3226 then ggc_strdup it. Don't free inc->info or cur->info.
3227 (output_macinfo): Don't free ref->info or file->info.
3229 2012-01-03 Ira Rosen <irar@il.ibm.com>
3231 PR tree-optimization/51269
3232 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3233 first_niters a pointer.
3234 (slpeel_tree_peel_loop_to_edge): Likewise.
3235 (vect_do_peeling_for_loop_bound): Update call to
3236 slpeel_tree_peel_loop_to_edge.
3237 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3238 here. Remove it from the parameters list.
3239 (vect_do_peeling_for_alignment): Update calls and compute
3242 2012-01-03 Richard Guenther <rguenther@suse.de>
3244 PR tree-optimization/51070
3245 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3246 Properly handle calls.
3248 2012-01-03 Richard Guenther <rguenther@suse.de>
3250 PR tree-optimization/51692
3251 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3252 the LHS of allocation stmts.
3254 2012-01-03 Olivier Hainque <hainque@adacore.com>
3256 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3258 2012-01-03 Olivier Hainque <hainque@adacore.com>
3260 * collect2.c (main): In AIX specific computations for vector
3261 insertions, use CONST_CAST2 to cast from char ** to const char **.
3263 2012-01-03 Richard Guenther <rguenther@suse.de>
3266 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3267 the context of a limbo DIE when it does not already exist.
3269 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3271 PR tree-optimization/51719
3272 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3273 but direct call is, clear direct call's lhs and don't add fallthrough
3274 edge from dcall_bb to join_bb and PHIs.
3276 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3278 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3279 the instructions emitted by the pattern.
3280 ("*TDC_insn_<mode>"): Add comment.
3282 2012-01-03 Richard Guenther <rguenther@suse.de>
3285 * fold-const.c (fold_comparison): Properly canonicalize
3286 tree offset and HOST_WIDE_INT bit position.
3288 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3290 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3291 operands for extzv pattern.
3293 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3296 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3299 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3301 * doc/invoke.texi (-flto and related options): Copy-edit.
3303 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3305 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3307 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3309 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3312 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3314 * expr.h (move_by_pieces_ninsns): Declare.
3315 * expr.c (move_by_pieces_ninsns): Make external.
3316 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3317 (mips_store_by_pieces_p): Likewise.
3318 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3319 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3320 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3321 (mips_store_by_pieces_p): Likewise.
3323 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3325 * passes.c (register_one_dump_file): Free full_name.
3327 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3328 (calculate_elim_costs_all_insns): Free offsets_at and
3329 offsets_known_at at the end and clear the pointers.
3331 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3333 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3334 this option introduced in r180739.
3336 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3339 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3340 (tmake_file target=avr): Add avr/t-multilib.
3342 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3343 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3344 * config/avr/genmultilib.awk: New file.
3345 * config/avr/t-multilib: New auto-generated file.
3346 * config/avr/multilib.h: New auto-generated file.
3347 * config/avr/t-avr (AVR_MCUS): New variable.
3348 (genopt.sh): Use it.
3349 (s-mlib): Depend on t-multilib.
3350 (t-multilib, multilib.h): New dependencies.
3351 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3352 (MULTILIB_OPTIONS): Remove.
3353 (MULTILIB_MATCHES): Remove.
3354 (MULTILIB_DIRNAMES): Remove.
3355 (MULTILIB_EXCEPTIONS): Remove:
3356 * config/avr/genopt.sh: Don't use hard coded file name;
3357 pass AVR_MCUS from t-avr instead.
3359 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3361 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3363 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3365 Implement light-weight DImode support.
3366 * config/avr/avr-dimode.md: New file.
3367 * config/avr/avr.md: Include it.
3368 (adjust_len): Add plus64, compare64.
3369 (HIDI): Remove code iterator.
3370 (code_stdname): New code attribute.
3371 (rotx, rotsmode): Remove DI.
3372 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3374 * config/avr/avr-protos.h (avr_have_dimode): New.
3375 (avr_out_plus64, avr_out_compare64): New.
3376 * config/avr/avr.c (avr_out_compare): Handle DImode.
3377 (avr_have_dimode): New variable definition and initialization.
3378 (avr_out_compare64, avr_out_plus64): New functions.
3379 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3380 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3381 (avr_compare_pattern): Skip DImode comparisons.
3383 2012-01-02 Revital Eres <revital.eres@linaro.org>
3385 * ddg.c (def_has_ccmode_p): New function.
3386 (add_cross_iteration_register_deps,
3387 create_ddg_dep_from_intra_loop_link): Call it.
3389 2012-01-02 Richard Guenther <rguenther@suse.de>
3392 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3394 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3396 * gcc.c (process_command): Update copyright notice dates.
3397 * gcov.c (print_version): Likewise.
3398 * gcov-dump.c (print_version): Likewise.
3399 * mips-tfile.c (main): Likewise.
3400 * mips-tdump.c (main): Likewise.
3402 2012-01-01 Ira Rosen <irar@il.ibm.com>
3404 PR tree-optimization/51704
3405 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3406 a use is inside the basic block or loop before accessing its vect info.
3408 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3410 PR rtl-optimization/51069
3411 * cfgloopmanip.c (remove_path): Removing path making irreducible
3412 region unconditional makes BB part of the region.
3414 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3416 PR tree-optimization/51683
3417 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3418 calls with side-effects.
3419 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3421 Copyright (C) 2012 Free Software Foundation, Inc.
3423 Copying and distribution of this file, with or without modification,
3424 are permitted in any medium without royalty provided the copyright
3425 notice and this notice are preserved.