1 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
4 * trans-mem.c (tm_region_init): Use last_basic_block.
6 2012-03-05 Richard Henderson <rth@redhat.com>
9 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
10 * omp-low.c (expand_omp_atomic): Assume anything aligned to
11 BIGGEST_ALIGNMENT is aligned.
13 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
15 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
17 2012-03-05 Richard Henderson <rth@redhat.com>
20 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
21 instead of calling negqi2 directly.
23 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
25 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
26 (INTMAX_TYPE): Use it.
27 (UINTMAX_TYPE): Likewise.
28 (SUBTARGET_OVERRIDE_OPTIONS): Define.
29 (irix6_c_common_override_options): Declare.
30 (C_COMMON_OVERRIDE_OPTIONS): Define.
31 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
32 * config/mips/irix6-c.c: New file.
33 * config/mips/t-irix6 (irix6-c.o): New target.
34 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
37 2012-03-02 Richard Henderson <rth@redhat.com>
39 * optabs.c (expand_atomic_test_and_set): Honor
40 atomic_test_and_set_trueval even when atomic_test_and_set
43 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
45 Backport from mainline
46 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
48 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
50 2012-03-02 Richard Guenther <rguenther@suse.de>
52 * DEV-PHASE: Set to prerelease.
54 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
56 * config.gcc (obsolete): Add all ARM targets using the FPA.
57 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
58 * doc/install.texi: Avoid references to obsolete ARM ports.
60 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
62 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
64 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
65 Joern Rennecke <joern.rennecke@embecosm.com>
67 * doc/extend.texi: Expand and update information on interrupt
68 attribute for Epiphany.
70 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
72 * config/sh/sh-protos.h: Update copyright notice dates.
73 * config/sh/sh.h: Likewise.
74 * config/sh/sh.md: Likewise.
75 * config/sh/constraints.md: Likewise.
76 * config/sh/predicates.md: Likewise.
78 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
80 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
81 * config/sh/sh.c (tertiary_reload_operand): Likewise.
83 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
85 * config/sh/constraints.md: Fix comment typo.
87 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
90 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
91 unsigned HOST_WIDE_INT.
92 (zvdep_imm64): Likewise.
93 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
94 (vdepi_and): Likewise.
95 Likewise for unamed 64-bit patterns.
96 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
98 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
101 PR rtl-optimization/52417
102 * cselib.c (cselib_any_perm_equivs): New variable.
103 (cselib_reset_table): Check that it's not set when not
104 preserving constants.
105 (cselib_add_permanent_equiv): Set it.
106 (cselib_have_permanent_equivalences): New.
107 (cselib_init, cselib_finish): Reset it.
108 * cselib.h (cselib_have_permanent_equivalences): Declare.
109 * alias.c (get_addr): Restore earlier behavior when there
110 aren't permanent equivalences.
112 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
114 * config/mn10300/mn10300-modes.def: Fix copyright notice.
115 * config/v850/v850-modes.def: Fix copyright notice.
117 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
119 * doc/extend.texi (AVR Built-in Functions): Document
120 __builtin_avr_flash_segment.
122 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
123 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
124 (*split.flash_segment): New insn-and-split.
125 * config/avr/avr.c (avr_init_builtins): Add local variables:
126 const_memx_void_node, const_memx_ptr_type_node,
127 char_ftype_const_memx_ptr.
129 2012-03-01 Jakub Jelinek <jakub@redhat.com>
131 PR tree-optimization/52445
132 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
133 add ssa_name_ver, offset and size fields and change store field
135 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
136 (add_or_mark_expr): Likewise. Only consider previous stores
137 with the same size and offset.
138 (nt_init_block): Only look at gimple_assign_single_p stmts,
139 doesn't look at rhs2.
141 2012-03-01 Richard Guenther <rguenther@suse.de>
144 * tree-cfg.c (verify_gimple_assign_unary): Allow any
145 conversions from integral types to pointer types.
147 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
149 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
150 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
151 unintentionally removed in r184616.
153 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
155 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
158 2012-02-29 Jakub Jelinek <jakub@redhat.com>
159 Uros Bizjak <ubizjak@gmail.com>
162 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
163 alternatives, add "e" constraint to the new last alternative
164 and ! to last 3 alternatives.
166 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
168 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
169 DW_AT_artificial attributes at the end of the processing.
170 (gen_array_type_die): Likewise.
171 (gen_enumeration_type_die): Likewise.
172 (gen_struct_or_union_type_die): Likewise.
173 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
176 2012-02-29 Jakub Jelinek <jakub@redhat.com>
179 * expr.c (expand_assignment): If doing misaligned store that doesn't
180 cover all mode bits, perform a RMW cycle.
182 PR tree-optimization/52429
183 * tree-parloops.c (separate_decls_in_region_debug): Return early
184 if var is LABEL_DECL.
186 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
188 PR tree-optimization/52424
189 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
190 calling dom_thread_across_edge.
192 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
194 * config/avr/avr.c: Move definition of TARGET macros to end of file.
196 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
198 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
199 * config/avr/avr.c (avr_output_bld): Remove unused function.
200 (avr_out_sbxx_branch): Use "%T" to print bit position.
202 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
204 * config/avr/avr.md: Untabify.
206 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
208 * config/avr/avr.md (eqne): New code iterator.
209 (*dec-and-branchsi): Use it in text peephole's condition.
210 (*dec-and-branchhi): Ditto.
211 (*dec-and-branchqi): Ditto.
213 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
216 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
217 the device does not have the skip-bug.
219 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
221 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
222 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
223 -mpretend-cmove): New.
225 2012-02-29 Jakub Jelinek <jakub@redhat.com>
228 * df.h (struct df_d): Adjust comment that hard_regs_live_count
229 doesn't count DEBUG_INSN refs.
230 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
233 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
237 2012-02-20 Richard Guenther <rguenther@suse.de>
238 PR tree-optimization/52298
239 * tree-vect-stmts.c (vectorizable_load): Properly use
240 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
243 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
246 * gimple.h (gimple_in_transaction): New.
247 (gimple_set_in_transaction): New.
248 (struct gimple_statement_base): Add in_transaction field.
249 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
251 (tree_ssa_lim_initialize): Compute transaction bits.
252 * tree.h (compute_transaction_bits): Protoize.
253 * trans-mem.c (tm_region_init): Use the heap to store BB
255 (compute_transaction_bits): New.
257 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
259 * gcc.c (display_help): Document --help=common and sort entries
262 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
264 * doc/install.texi: Document check-$LANG specific shortcuts
266 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
269 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
271 * config/arm/arm_neon.h: Regenerate.
272 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
273 (neon_vcgeu): New insn.
274 (neon_vcgtu): Likewise.
275 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
276 (ops): Unsigned comparison intrinsics call a different
279 2012-02-28 Richard Guenther <rguenther@suse.de>
282 * config/i386/i386.c (ix86_expand_vector_set): Fix element
283 ordering for the VEC_CONCAT for two element vectors for
284 V2SFmode, V2SImode and V2DImode.
286 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
289 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
290 detecting big-endian triplets.
292 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
294 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
295 mode if there is no type information available.
297 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
299 PR tree-optimization/53207
300 * doc/invoke.texi: Document as experimental and relying on graphite.
302 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
304 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
305 of initializer to changes from r184614.
307 2012-02-28 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/52395
310 * tree-sra.c (build_ref_for_offset): Also look at the base
311 TYPE_ALIGN when figuring out the alignment of the replacement.
313 2012-02-28 Richard Guenther <rguenther@suse.de>
315 PR tree-optimization/52402
316 * ipa-prop.c (ipa_modify_call_arguments): Properly use
317 mis-aligned types when creating the accesses at the call site.
319 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
321 * config/avr/builtins.def: New file.
322 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
323 * config/avr/avr.c (enum avr_builtin_id): Use it.
324 (avr_init_builtins): Use it. And use avr_bdesc.
325 (bdesc_1arg): Remove.
326 (bdesc_2arg): Remove.
327 (bdesc_3arg): Remove.
328 (struct avr_builtin_description): Add field n_args.
329 (avr_bdesc): New static variable using builtins.def.
330 (avr_expand_builtin): Use it.
331 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
332 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
333 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
335 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
338 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
339 match only one single hard register with respective hard reg rtx.
340 (movmemx_<mode>): Ditto.
341 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
342 insn anatomy of movmem[x]_<mode>.
343 (avr_out_movmem): Same for printing assembler and operand usage.
345 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
349 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
350 address spaces located outside of device flash.
352 * config/avr/avr.h (base_arch_s): Remove field n_segments.
353 (mcu_type_s): Add field n_flash.
354 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
355 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
356 (AVR_MCU): Add N_FLASH argument.
357 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
358 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
359 macro __FLASH<n> if that address space makes sense for the device.
360 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
361 outside of target flash.
362 (avr_asm_named_section): Ditto.
363 (avr_asm_select_section): Ditto.
364 (avr_addr_space_convert): Ditto.
365 (avr_emit_movmemhi): Ditto.
366 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
367 address space is outside of device flash.
368 (avr_insert_attributes): Ditto.
369 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
370 avr_current_arch->n_segments.
372 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
375 * config/i386/i386.md (*movabs<mode>_1): Enable only for
377 (*movabs<mode>_2): Likewise.
379 2012-02-27 Jakub Jelinek <jakub@redhat.com>
382 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
383 s_register_operand in the test instead of REG_P. Don't call
384 gen_reg_rtx if it won't be used.
386 PR tree-optimization/52376
387 * ipa-split.c (split_function): Ignore CLOBBER stmts.
389 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
391 * ifcvt.c (noce_get_condition): Check condition variable is not
392 small_register_classes_for_mode_p before accepting.
394 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
396 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
398 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
401 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
402 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
404 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
406 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
408 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
410 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
412 * config/sh/predicates.md: Remove blank lines.
413 * config/sh/sh.c: Fix typos in comments.
414 * config/sh/constraints.md: Likewise.
415 * config/sh/sh.md: Remove blank lines.
416 Fix typos in comments. Use ;; as comment characters.
418 2012-02-26 Walter Lee <walt@tilera.com>
420 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
421 (replace_mov_pcrel_step2): Ditto.
423 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
426 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
427 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
428 and locs that reference values newer than the non-canonical value
429 at hand. Return the canonical value as a worst case.
430 (memrefs_conflict_p): Walk canonical value's locs.
433 * cselib.c (preserve_only_constants): Rename to...
434 (preserve_constants_and_equivs): ... this. Split out...
435 (invariant_or_equiv_p): ... this. Preserve plus expressions
436 of other preserved expressions too.
437 (cselib_reset_table): Adjust.
438 * var-tracking.c (reverse_op): Use canonical value to build
441 2012-02-23 Kai Tietz <ktietz@redhat.com>
443 * config/i386/i386.c (ix86_delegitimize_address): Handle
444 UNSPEC_PCREL plus displacement.
446 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
449 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
450 to test for unusedness in st X addressing.
452 2012-02-24 Richard Guenther <rguenther@suse.de>
455 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
456 (is_gimple_reg_type): Move inline ...
457 * gimple.h (is_gimple_reg_type): ... here.
459 2012-02-24 Richard Guenther <rguenther@suse.de>
462 * passes.c (execute_function_todo): When verifying SSA form
463 verify gimple form first.
464 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
466 2012-02-24 Richard Guenther <rguenther@suse.de>
469 * fold-const.c (fold_addr_of_array_ref_difference): New function.
470 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
472 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
474 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
476 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
478 * tree-phinodes.c (make_phi_node): Mark static.
479 * tree-flow.h (make_phi_node): Remove extern decl.
480 * doc/gimple.texi (make_phi_node): Remove documentation.
482 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
484 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
485 * tree-ssa-sccvn.c (print_scc): Ditto.
487 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
489 * doc/passes.texi (Full redundancy elimination): Fix typo.
491 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
493 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
495 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
498 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
500 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
503 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
505 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
507 * config/avr/avr.md (code_stdname): Add ior, xor.
508 (xior): New code iterator.
509 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
510 (*<code_stdname><mode>qi.byte1-3): Ditto.
512 2012-02-23 Jakub Jelinek <jakub@redhat.com>
514 PR tree-optimization/52019
515 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
518 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
520 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
521 HAVE_INITFINI_ARRAY to work around namespace pollution in
522 certain versions of newlib system headers.
523 * config.in: Regenerate.
524 * configure: Regenerate.
525 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
526 instead of HAVE_INITFINI_ARRAY.
528 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
531 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
532 is not offsettable memory reference.
534 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
537 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
538 setting avr_need_clear_bss_p for __gnu_lto* symbols.
540 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
542 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
543 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
545 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
547 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
548 library on Solaris 8 even without TLS support.
549 * configure: Regenerate.
551 2012-02-22 Richard Guenther <rguenther@suse.de>
554 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
555 for GIMPLE_DEBUG stmts.
557 2012-02-22 Martin Jambor <mjambor@suse.cz>
560 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
561 according to the base object.
563 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
565 PR rtl-optimization/50063
566 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
567 and 2 (8-bit SP) in operand 2.
568 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
569 setup to use movhi_sp_r instead of vanilla move to write SP.
570 Adjust REG_CFA notes to superseed unspec.
571 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
573 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
574 known to be off) only with TARGET_NO_INTERRUPTS. Never use
575 irq_state 1 (IRQ known to be on) here.
577 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
579 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
581 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
582 assign_hard_reg): Likewise.
584 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
586 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
588 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
591 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
592 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
594 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
596 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
597 prototype from here to...
598 * config/avr/avr.h: ...here.
600 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
603 * thumb2.md (thumb2_shiftsi3_short): Split register and
604 immediate shifts. For register shifts tie operands 0 and 1.
605 (peephole2 for above): Check that register-controlled shifts
606 have suitably tied operands.
608 2012-02-21 Quentin Neill <quentin.neill@amd.com>
611 * config/i386/bdver1.md (bdver1_call, bdver1_push,
612 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
613 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
614 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
615 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
616 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
617 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
618 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
619 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
620 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
621 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
622 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
623 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
624 bdver1_ssevector_avx256_unaligned_load,
625 bdver1_ssevector_sse128_unaligned_load,
626 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
627 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
628 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
629 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
630 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
631 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
632 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
633 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
634 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
635 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
636 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
637 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
638 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
639 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
640 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
641 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
642 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
643 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
644 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
645 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
646 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
647 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
648 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
649 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
650 bdver1_ssediv_double_load, bdver1_ssediv_double,
651 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
652 Add "bdver2" attribute.
654 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
656 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
657 default if possible and not specified otherwise.
659 2012-02-21 Richard Guenther <rguenther@suse.de>
662 * gimplify.c (create_tmp_from_val): Use the main variant type
663 for the type of the temporary we create.
665 2012-02-21 Richard Guenther <rguenther@suse.de>
667 PR tree-optimization/52324
668 * gimplify.c (gimplify_expr): When re-gimplifying expressions
669 do not gimplify a MEM_REF address operand if it is already
672 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
674 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
675 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
677 2012-02-21 Richard Guenther <rguenther@suse.de>
679 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
682 2012-02-21 Jakub Jelinek <jakub@redhat.com>
684 PR tree-optimization/52318
685 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
686 vdef also to non-pure/const call stmts in the sequence.
688 2012-02-20 David S. Miller <davem@davemloft.net>
690 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
691 don't use the "rd %pc" instruction on v9 for PIC register loads.
693 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
696 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
697 in a transaction safe function.
699 2012-02-20 Kai Tietz <ktietz@redhat.com>
702 * stor-layout.c (place_field): Handle desired_align for
705 2012-02-20 Richard Guenther <rguenther@suse.de>
707 PR tree-optimization/52298
708 * tree-vect-stmts.c (vectorizable_store): Properly use
709 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
711 (vectorizable_load): Likewise.
712 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
713 Access DR_STEP after ensuring it is not NULL.
715 2012-02-20 Jakub Jelinek <jakub@redhat.com>
717 PR tree-optimization/52286
718 * fold-const.c (fold_binary_loc): For (X & C1) | C2
719 optimization use double_int_to_tree instead of build_int_cst_wide,
720 rewrite to use double_int vars.
722 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
725 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
727 Remove -e 0 from $gcc_cv_ld invocation.
728 Only use __GLIBC_PREREQ if defined.
729 Enable on Solaris since Solaris 8 patch.
730 (gcc_SUN_LD_VERSION): New macro.
731 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
732 gcc_SUN_LD_VERSION for version number format.
733 * configure: Regenerate.
734 * varasm.c (get_elf_initfini_array_priority_section): Set
735 SECTION_NOTYPE for non-default priority.
736 Use get_section instead of get_unnamed_section to emit
737 .init_array/.fini_array with default priority.
739 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
741 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
742 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
743 (mips_start_unique_function, mips_output_mips16_rdhwr)
744 (mips_code_end): New functions.
745 (TARGET_ASM_CODE_END): Define.
747 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
749 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
750 to stubs with non-sibling calls.
752 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
754 * doc/invoke.texi (-fira-* options): Copy-edit.
755 (ira-* parameters): Copy-edit.
757 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
759 * doc/invoke.texi: Minor copy-edits to bring into conformance with
760 GCC coding conventions.
762 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
764 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
765 when used as adjectives.
767 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
769 * doc/invoke.texi: Clean up "that"/"which" confusion.
771 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
773 * system.h: Poison SMALL_REGISTER_CLASSES
774 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
775 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
777 2012-02-16 Jakub Jelinek <jakub@redhat.com>
779 PR tree-optimization/52285
780 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
781 when deciding if a call is a tail call or tail recursion.
783 2012-02-16 Kai Tietz <ktietz@redhat.com>
785 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
786 interger-constant displacement for UNSPEC_PCREL.
788 2012-02-16 Jakub Jelinek <jakub@redhat.com>
790 PR rtl-optimization/52208
791 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
792 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
794 PR tree-optimization/52255
795 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
796 loop->header has virtual PHI, but exit_e->dest doesn't, add
797 virtual PHI to exit_e->dest and adjust all uses after the loop.
800 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
801 children with clone_tree_hash, not after it.
803 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
805 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
806 extended identifiers.
808 2012-02-16 Jakub Jelinek <jakub@redhat.com>
811 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
812 a same_body_alias, also test whether e->callee isn't a former
813 or current clone of the decl this is a same body alias of.
816 * cgraphunit.c (verify_cgraph_node): Fix a typo.
818 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
820 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
822 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
825 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
826 force_reg instead of copy_to_reg for better optimization. Force
827 non-register or memory operands into a register.
829 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
831 * extend.texi: Reserve upper bits of memory model for future use.
833 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
834 Anatoly Sokolov <aesok@post.ru>
835 Eric Weddington <eric.weddington@atmel.com>
838 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
839 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
840 Rewrite initializers for .macro.
841 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
842 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
843 atxmega32d4, atxmega32x1.
844 avrxmega4: atxmega64a3, atxmega64d3.
845 avrxmega5: atxmega64a1, atxmega64a1u.
846 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
847 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
848 avrxmega7: atxmega128a1, atxmega128a1u.
849 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
850 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
851 (struct base_arch_s): Rename reserved to xmega_p.
852 Rename reserved2 to have_rampd.
853 (AVR_XMEGA): New define.
854 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
855 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
856 * config/avr/predicates.md (io_address_operand): Take into
858 (low_io_address_operand): Ditto.
859 (high_io_address_operand): Ditto.
860 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
861 (enabled, movhi_sp_r): Use them.
862 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
863 cpp_define_formatted to built-in define __AVR_ARCH__.
864 (__AVR_XMEGA__): New built-in define.
865 (__AVR_HAVE_RAMPD__): New built-in define.
866 (__AVR_HAVE_RAMPX__): New built-in define.
867 (__AVR_HAVE_RAMPY__): New built-in define.
868 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
870 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
871 (avr_option_override): Initialize them.
872 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
873 (avr_init_expanders): Initialize them. No more block several calls.
874 (emit_push_sfr): New static function.
875 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
877 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
878 (avr_print_operand): Print addreeses as symbols for
879 RAMPX, RAMPY, RAMPD, CCP.
880 (output_movhi): Handle AVR_XMEGA when writing to SP.
881 (avr_out_movhi_mr_r_xmega): New static function.
882 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
883 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
884 __RAMPD__, __CCP__ as needed.
886 * config/avr/multilib.h: Regenerate.
887 * config/avr/t-multilib: Regenerate.
888 * config/avr/avr-tables.opt: Regenerate.
890 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
892 PR tree-optimization/50561
893 * graphite-flattening.c (lst_project_loop): Do not
894 remove old scattering dimensions after flattening.
895 (lst_do_flatten): Likewise.
897 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
899 * doc/extend.texi (AVR Built-in Functions): Remove doc for
900 __builtin_avr_map8, __builtin_avr_map16.
901 Document __builtin_avr_insert_bits.
903 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
904 (insert_bits): New insn.
905 (adjust_len.map_bits): Rename to insert_bits.
906 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
907 * avr-protos.h (avr_out_map_bits): Remove.
908 (avr_out_insert_bits, avr_has_nibble_0xf): New.
909 * config/avr/constraints.md (Cxf,C0f): New.
910 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
911 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
912 New built-in define __BUILTIN_AVR_INSERT_BITS.
913 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
914 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
915 (avr_move_bits): Rewrite.
916 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
918 (avr_map_op_t): New typedef.
919 (avr_map_op): New static variable.
920 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
921 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
922 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
923 (bdesc_3arg, avr_expand_triop_builtin): New.
924 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
925 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
926 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
927 (avr_map_equal_p, avr_map_sig_p): Remove.
928 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
929 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
930 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
931 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
932 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
933 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
935 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
937 * config/c6x/c6x.md (reserve_cycles): New attribute.
938 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
939 don't reserve functional units after the branch occurs.
941 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
944 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
945 functions into non-tm_pure functions.
947 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
950 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
951 (iterative_hash_canonical_type): Likewise.
952 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
955 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
957 * haifa-sched.c (prune_ready_list): Ensure that if there is a
958 sched-group insn, it either remains alone or the entire list is pruned.
960 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
962 * doc/install.texi (Prerequisites): Fix grammar.
963 (Configuration): Likewise.
965 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
967 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
968 MPC as part of GCC before describing configuring with --with-gmp etc.
969 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
972 2012-02-14 Jakub Jelinek <jakub@redhat.com>
975 * dwarf2out.c (clone_tree_hash): New function.
976 (copy_decls_walk): Use it instead of clone_tree.
978 2012-02-14 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/52244
981 PR tree-optimization/51528
982 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
983 replacements for integral types.
985 2012-02-14 Walter Lee <walt@tilera.com>
987 * config.gcc: Handle tilegx and tilepro.
988 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
990 Add HAVE_AS_TLS check for tilegx and tilepro.
991 * configure: Regenerate.
992 * doc/contrib.texi: Add Mat Hostetter and self.
993 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
994 Document instruction intrinsics and network accessing intrinsics.
995 (TILEPro Built-in Functions): New node. Document instruction
996 intrinsics and network accessing intrinsics.
997 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
998 (Specific, tilepro-*-linux*): Likewise.
999 * doc/invoke.texi (TILE-Gx Options): New section.
1000 (TILEPro Options): New section.
1001 * doc/md.texi (TILE-Gx): New section.
1002 (TILEPro): New section.
1003 * common/config/tilegx/tilegx-common.c: New file.
1004 * common/config/tilepro/tilepro-common.c: New file.
1005 * config/tilegx/constraints.md: New file.
1006 * config/tilegx/linux.h: New file.
1007 * config/tilegx/mul-tables.c: New file.
1008 * config/tilegx/predicates.md: New file.
1009 * config/tilegx/sync.md: New file.
1010 * config/tilegx/t-tilegx: New file.
1011 * config/tilegx/tilegx-builtins.h: New file.
1012 * config/tilegx/tilegx-c.c: New file.
1013 * config/tilegx/tilegx-generic.md: New file.
1014 * config/tilegx/tilegx-modes.def: New file.
1015 * config/tilegx/tilegx-multiply.h: New file.
1016 * config/tilegx/tilegx-protos.h: New file.
1017 * config/tilegx/tilegx.c: New file.
1018 * config/tilegx/tilegx.h: New file.
1019 * config/tilegx/tilegx.md: New file.
1020 * config/tilegx/tilegx.opt: New file.
1021 * config/tilepro/constraints.md: New file.
1022 * config/tilepro/gen-mul-tables.cc: New file.
1023 * config/tilepro/linux.h: New file.
1024 * config/tilepro/mul-tables.c: New file.
1025 * config/tilepro/predicates.md: New file.
1026 * config/tilepro/t-tilepro: New file.
1027 * config/tilepro/tilepro-builtins.h: New file.
1028 * config/tilepro/tilepro-c.c: New file.
1029 * config/tilepro/tilepro-generic.md: New file.
1030 * config/tilepro/tilepro-modes.def: New file.
1031 * config/tilepro/tilepro-multiply.h: New file.
1032 * config/tilepro/tilepro-protos.h: New file.
1033 * config/tilepro/tilepro.c: New file.
1034 * config/tilepro/tilepro.h: New file.
1035 * config/tilepro/tilepro.md: New file.
1036 * config/tilepro/tilepro.opt: New file.
1038 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1040 PR tree-optimization/52210
1041 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1042 vect_model_simple_cost with two entry vect_def_type array instead
1043 of an address of dt.
1045 2012-02-14 Richard Guenther <rguenther@suse.de>
1048 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1049 Do not stream DECL_QUALIFIER.
1050 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1051 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1052 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1054 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1057 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1060 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1063 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1064 * cselib.c (cselib_subst_to_values_from_insn): New function.
1065 * sched-deps.c (add_insn_mem_dependence,
1066 sched_analyze_1, sched_analyze_2): Use it.
1068 2012-02-13 Jan Hubicka <jh@suse.cz>
1071 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1073 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1075 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1076 (GTM_SELF_SPECS): Define if not already defined.
1077 (driver_self_specs): Add GTM_SELF_SPECS.
1078 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1079 (GTM_SELF_SPECS): Define.
1080 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1081 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1083 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1085 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1088 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1091 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1092 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1094 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1097 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1099 2012-02-13 Richard Guenther <rguenther@suse.de>
1101 PR translation/52211
1102 * passes.c (enable_disable_pass): Fix typo.
1104 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1107 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1108 XOR for reduce_bit_field if type is unsigned.
1110 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1112 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1113 disallow changes from SFmode to mode with different size in FP regs.
1115 2012-02-12 Robert Millan <rmh@gnu.org>
1116 Gerald Pfeifer <gerald@pfeifer.com>
1118 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1121 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1123 PR rtl-optimization/52175
1124 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1125 to frame-related instructions.
1127 2012-02-10 Jason Merrill <jason@redhat.com>
1130 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1131 (demangle_new_symbols): Fill it.
1132 (scan_linker_output): Walk it.
1133 (start_tweaking): Split out from scan_linker_output.
1134 (maybe_tweak): Update sym->chosen.
1135 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1137 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1140 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1142 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1144 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1145 having the same mode as previous compare.
1147 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1149 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1150 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1151 (nonlocal_goto_internal): Likewise.
1152 (nonlocal_goto): Emit a use and an indirect jump directly.
1154 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1157 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1158 __atomic_{is,always}_lock_free.
1160 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1163 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1164 negative constant address for x32.
1166 2012-02-10 Richard Henderson <rth@redhat.com>
1168 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1169 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1170 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1172 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1173 Ira Rosen <irar@il.ibm.com>
1175 PR tree-optimization/50031
1176 * targhooks.c (default_builtin_vectorization_cost): Handle
1178 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1179 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1180 all types of reduction and pattern statements.
1181 (vect_estimate_min_profitable_iters): Likewise.
1182 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1183 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1184 for explicit realigns.
1185 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1186 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1188 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1189 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1190 vec_perm for VSX and handle vec_promote_demote.
1192 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1195 * builtins.c (fold_builtin_atomic_always_lock_free,
1196 expand_builtin_atomic_always_lock_free,
1197 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1198 Return and/or test boolean_true_node/boolean_false_node instead of
1199 integer_one_node/integer_zero_node.
1201 2012-02-10 Jan Hubicka <jh@suse.cz>
1204 * predict.c (predict_paths_for_bb): Prevent looping.
1205 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1207 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1209 * config/arm/arm.c (output_move_double): In one case properly
1210 count number of instructions that will be emitted.
1212 2012-02-10 Richard Guenther <rguenther@suse.de>
1214 PR translation/52193
1215 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1217 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1220 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1222 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1225 * var-tracking.c (emit_note_insn_var_location): If
1226 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1227 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1228 non-NOTE_DURING_CALL_P insn.
1230 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1233 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1235 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1238 * gcc.c (switch_matches) Support switches with separated form,
1241 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1243 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1245 (RAMPZ_ADDR): Ditto.
1246 * config/avr/avr.c (avr_addr_t): New typedef.
1247 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1248 (avr_init_expanders): Initialize it.
1249 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1251 (expand_epilogue): Ditto.
1252 (avr_print_operand): Ditto.
1253 (avr_file_start): Ditto.
1254 (avr_emit_movmemhi): Ditto.
1256 2012-02-08 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/46886
1259 * tree-flow.h (do_while_loop_p): Declare.
1260 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1261 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1263 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1265 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1266 always succeed for integers larger than a native word.
1268 2012-02-08 Richard Guenther <rguenther@suse.de>
1270 PR rtl-optimization/52170
1271 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1272 properly handle integer vector modes.
1274 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1276 PR gcov-profile/52150
1277 * coverage.c: Include target.h.
1278 (build_var): Call targetm.strip_name_encoding on the assembler name.
1279 Change one _ into . or $ if the target allows it.
1280 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1282 PR rtl-optimization/52139
1283 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1284 is a BARRIER after emit_insn_after_noloc, move BB_END
1285 to the last non-BARRIER insn before it.
1287 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1290 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1291 (mips_gimplify_va_arg_expr): Call it instead of
1292 std_gimplify_va_arg_expr.
1294 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1296 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1297 message for -mno-pointers-to-nested-function.
1299 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1302 * expr.c (get_inner_reference): If there is an offset, add a negative
1303 bit position to it (if any).
1305 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1307 PR rtl-optimization/52060
1308 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1309 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1310 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1311 and/or i0src_copy2 when needed.
1313 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1315 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1316 or LTOPLUGINSONAME if have_c.
1318 * config/freebsd-spec.h: Add comment about what macros can be defined
1320 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1321 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1324 2012-02-07 Richard Guenther <rguenther@suse.de>
1326 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1327 newline in -alias dumps.
1329 2012-02-07 Kai Tietz <ktietz@redhat.com>
1330 Dave Korn <dave.korn.cygwin@gmail.com>
1333 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1334 Take care that typinfo gets dllexport-attribute.
1336 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1339 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1340 if modifier < EXPAND_SUM call force_operand on the result.
1342 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1344 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1345 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1347 (epiphany_function_type): Replace types for specific interrupts with
1348 EPIPHANY_FUNCTION_INTERRUPT.
1349 (EPIPHANY_INTERRUPT_P): Update.
1350 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1351 New static function.
1352 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1353 <disinterrupt>: Affects type identity.
1354 (epiphany_handle_interrupt_attribute): Handle variable number of
1356 (epiphany_compute_function_type): Update for new
1357 epiphany_function_type definition.
1358 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1359 handlers with a longcall forwarder.
1360 (epiphany_start_function): Handle multiple interrupt arguments and/or
1361 forwarder_section attribute.
1363 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1366 2012-02-07 Alan Modra <amodra@gmail.com>
1369 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1372 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1374 PR tree-optimization/50969
1375 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1376 use vec_perm rather than vector_stmt.
1377 (vect_model_load_cost): Likewise.
1378 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1379 vec_perm to be the same as other vector statements.
1380 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1381 cost of vec_perm for TARGET_VSX.
1383 2012-02-06 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/52115
1386 * tree-sra.c (access_has_replacements_p): New function.
1387 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1389 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1392 * trans-mem.c (expand_call_tm): Add an assertion.
1393 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1396 2012-02-06 Richard Guenther <rguenther@suse.de>
1398 PR tree-optimization/50955
1399 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1400 raise cost of expressions that replace an address with an
1401 expression based on a different pointer.
1403 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1406 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1407 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1409 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1412 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1413 -Weffc++ and specify guidelines come from second edition.
1415 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1417 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1418 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1419 (call_direct_split, call_value_split, call_value_internal_direct)
1420 (call_value_direct_split, call_value_multiple_split): Use jal and
1421 jal_macro attributes.
1423 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1425 * reload1.c (reload_regs_reach_end_p): Replace with...
1426 (reload_reg_rtx_reaches_end_p): ...this function.
1427 (new_spill_reg_store): Update commentary.
1428 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1429 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1430 before setting new_spill_reg_store.
1431 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1432 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1433 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1434 for non-spill reload registers.
1436 2012-02-05 Ira Rosen <irar@il.ibm.com>
1438 PR tree-optimization/52091
1439 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1440 (vect_is_simple_use_1): Likewise.
1441 * tree-vect-loop.c (vectorizable_reduction): Update calls
1442 to vect_is_simple_use_1 and vect_is_simple_use.
1443 (vectorizable_live_operation): Likewise.
1444 * tree-vect-patterns.c (widened_name_p,
1445 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1446 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1447 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1448 vectorizable_shift,vectorizable_operation, vectorizable_store,
1449 vectorizable_load): Likewise.
1450 (vect_is_simple_cond): Add an argument, pass it to
1451 vect_is_simple_use_1.
1452 (vectorizable_condition): Update calls to vect_is_simple_cond,
1454 (vect_is_simple_use): Add an argument, the statement in which
1455 OPERAND is used. Check that if OPERAND's def stmt is a double
1456 reduction phi node, the use is a phi node too.
1457 (vect_is_simple_use_1): Add an argument, pass it to
1459 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1460 to vect_is_simple_use.
1462 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1464 PR rtl-optimization/52095
1465 * modulo-sched.c (dump_insn_locator): New function.
1466 (loop_canon_p, sms_schedule): Use it.
1468 PR rtl-optimization/52113
1469 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1470 even for decomposable shift/zext insns.
1472 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1473 Zdenek Dvorak <ook@ucw.cz>
1475 PR rtl-optimization/52092
1476 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1477 on get_iv_value result.
1479 2012-02-02 Andrew Pinski <apinski@cavium.com>
1483 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1485 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1488 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1490 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1492 PR rtl-optimization/49800
1493 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1494 (sched_finish): Call regstat_free_n_sets_and_refs.
1496 2012-02-02 Jia Liu <proljc@gmail.com>
1498 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1501 2012-02-02 Jan Hubicka <jh@suse.cz>
1502 Tom de Vries <tom@codesourcery.com>
1505 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1506 * varpool.c (varpool_analyze_pending_decls): Likewise.
1508 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1509 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1511 * config.gcc: Add cr16-* support.
1513 * doc/extend.texi: Document cr16 extensions.
1514 * doc/install.texi: Document cr16 install.
1515 * doc/invoke.texi: Document cr16 options.
1516 * doc/md.texi: Document cr16 constraints.
1518 * common/config/cr16/cr16-common.c: New file.
1519 * config/cr16/cr16.c: New file.
1520 * config/cr16/cr16.h: New file.
1521 * config/cr16/cr16.md: New file.
1522 * config/cr16/cr16.opt: New file.
1523 * config/cr16/cr16-protos.h: New file.
1524 * config/cr16/predicates.md: New file.
1525 * config/cr16/constraints.md: New file.
1526 * config/cr16/t-cr16: New file.
1528 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1531 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1532 that operands[2] is either immediate, or q_regs_operand.
1534 PR tree-optimization/52073
1535 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1536 a pattern stmt for pattern uses, ignore uses outside of the loop.
1538 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1540 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1541 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1542 (OUT_AS1, OUT_AS2): Remove.
1544 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1546 PR rtl-optimization/51374
1547 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1548 to cross other volatile_refs_p insns.
1550 2012-02-01 Richard Guenther <rguenther@suse.de>
1552 * doc/invoke.texi (fno-inline): Clarify documentation.
1553 (finline-small-functions): Likewise.
1554 (finline-functions): Likewise.
1555 * common.opt (finline): Adjust comment and documentation.
1556 (finline-small-functions): Clarify documentation.
1557 (finline-functions): Likewise.
1558 (finline-functions-called-once): Likewise.
1560 2012-02-01 Tristan Gingold <gingold@adacore.com>
1562 * c-typeck.c (composite_type): Keep mode for pointers.
1564 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1566 * function.h (regno_reg_rtx): Adjust comment.
1567 * reginfo.c (init_reg_modes_target): Only use the previous mode
1568 if it fits within one register. Remove MIPS comment.
1570 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1573 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1575 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1577 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1578 to srak instruction.
1580 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1582 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1584 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1589 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1591 2012-01-31 Richard Guenther <rguenther@suse.de>
1593 PR tree-optimization/51528
1594 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1597 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1602 * ree.c (add_removable_extension): Change def_map argument
1603 to unsigned *, store in def_map 1 + offset into *insn_list vector
1604 instead of pointers into the vector.
1605 (find_removable_extensions): Adjust caller.
1607 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1609 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1610 Transform all "* quoted-c-code" to { c-code }.
1611 Remove redundant test for "optimize" in combine patterns.
1612 Move (include "avr-dimode.md") to end of file.
1614 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1617 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1618 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1620 2012-01-30 Richard Guenther <rguenther@suse.de>
1622 PR tree-optimization/52028
1623 * tree-loop-distribution.c (ldist_gen): Properly update
1626 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1629 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1630 set_cur_line_info_table if not emitting debug info.
1632 PR tree-optimization/52046
1633 * tree-vect-patterns.c (check_bool_pattern): Give up if
1634 a comparison could throw.
1637 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1639 2012-01-30 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/52045
1642 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1643 SSA form if cfgcleanup did anything.
1645 2012-01-30 Richard Guenther <rguenther@suse.de>
1647 PR tree-optimization/52045
1648 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1649 before computing final todo.
1651 2012-01-30 Richard Guenther <rguenther@suse.de>
1653 PR tree-optimization/51528
1654 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1657 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1659 * df-problems.c (df_kill_notes): Check that the use refers
1660 to the note under examination.
1662 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1665 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1666 parameter and use short-lived pseudos.
1667 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1668 (sparc_expand_vector_init): Const-ify local variables and adjust
1669 calls to above functions.
1671 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1673 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1675 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1677 * doc/invoke.texi: Make usage of "compile time" and
1678 "run time"/"runtime" consistent throughout the file.
1680 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1682 * config/alpha/alpha.c (alpha_option_override): Default to
1683 full IEEE compliance mode for Go language.
1685 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1687 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1688 (LINK_SSP_SPEC): Define.
1690 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1693 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1696 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1698 * doc/invoke.texi: Correct hyphenation of "floating point",
1699 "double precision", and related terminology throughout the file.
1701 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1704 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1705 arm_general_register_operand predicate for operand 2 instead of
1708 2012-01-27 Ian Lance Taylor <iant@google.com>
1711 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1712 * builtins.c (expand_builtin_init_trampoline): Add onstack
1713 parameter. Change caller.
1714 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1715 * tree.c (build_common_builtin_nodes): Declare
1716 __builtin_init_heap_trampoline.
1718 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1720 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1721 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1722 * config/avr/avr.c: Ditto.
1723 (avr_regnames): Remove because unused.
1724 * config/avr/avr.md (*cpse.ne): New peephole.
1725 (*cpse.eq): New peephole from former cpse peepholes.
1727 2012-01-27 Michael Eager <eager@eagercon.com>
1729 * config/microblaze.c (microblaze_emit_compare): Correct
1730 test after pcmp instruction.
1732 2012-01-27 Richard Guenther <rguenther@suse.de>
1734 PR tree-optimization/52020
1735 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1737 2012-01-27 Richard Guenther <rguenther@suse.de>
1739 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1740 function non-const/pure.
1742 2012-01-27 Richard Guenther <rguenther@suse.de>
1744 PR tree-optimization/50444
1745 * tree-sra.c (build_ref_for_offset): Properly adjust the
1746 MEM_REF type for unaligned accesses.
1748 2012-01-27 Richard Guenther <rguenther@suse.de>
1750 PR tree-optimization/50444
1751 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1752 (expand_assignment): Use it. Properly handle misaligned
1753 bases when expanding stores to component references.
1754 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1757 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1760 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1761 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1762 * tree-data-ref.c (find_data_references_in_loop): Make static.
1763 (compute_all_dependences): Change return type to bool. Bail out
1764 for too many datarefs in a loop. Move the hunk resetting the data
1765 dependences vector from ...
1766 (compute_data_dependences_for_loop): ... here. Account for
1767 compute_all_dependences returning false.
1768 (compute_data_dependences_for_bb): Likewise.
1769 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1770 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1772 2012-01-27 Richard Guenther <rguenther@suse.de>
1775 * expr.c (store_field): Use the alias-set of the scratch memory
1778 2012-01-27 Tom de Vries <tom@codesourcery.com>
1780 PR tree-optimization/51990
1781 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1783 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1785 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1788 * var-tracking.c (reverse_op): Don't add any reverse operation
1789 if V already has any constant locations.
1791 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1793 * doc/invoke.texi: Correct usage of "command line" (noun)
1794 vs "command-line" (adjective) throughout.
1796 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1798 * doc/invoke.texi (Language Independent Options): Move
1799 -Wcoverage-mismatch blurb from here....
1800 (Warning Options): ...to here.
1802 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1804 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1805 Set rs6000_always_hint to false for 476.
1807 2012-01-27 Matthias Klose <doko@ubuntu.com>
1809 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1811 * incpath.c (add_standard_paths): Likewise.
1813 2012-01-27 Richard Henderson <rth@redhat.com>
1815 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1816 * config/m68k/sync.md (atomic_test_and_set): Rename from
1817 sync_test_and_setqi and adjust the operands.
1818 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1819 and unconditionally enable.
1821 2012-01-27 Richard Henderson <rth@redhat.com>
1823 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1824 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1825 (ldstub): Rename from ldstubqi.
1826 (ldstub<I24MODE>): Remove.
1828 2012-01-27 Richard Henderson <rth@redhat.com>
1830 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1831 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1832 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1833 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1834 * doc/tm.texi: Rebuild.
1836 2012-01-27 Richard Henderson <rth@redhat.com>
1838 * optabs.c (gen_atomic_test_and_set): Remove default.
1839 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1841 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1843 PR rtl-optimization/51978
1844 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1845 (combine_reaching_defs): Likewise.
1846 (struct re_info): Remove.
1847 (add_removable_extension): Remove x and data arguments,
1848 add insn, insn_list and def_map. Use the arguments directly
1849 instead of using struct re_info.
1850 (find_removable_extensions): Don't call add_removable_extension
1851 through note_stores, instead just call it with single_set
1853 (find_and_remove_re): Pass curr_cand->expr instead of
1854 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1856 2012-01-26 Michael Matz <matz@suse.de>
1858 PR tree-optimization/46590
1859 * cfgexpand.c: Revert last change (r183305).
1860 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1862 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1863 checking for emptiness.
1865 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1868 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1869 non-addressable non-BLKmode base correctly.
1871 2012-01-26 Michael Matz <matz@suse.de>
1873 PR tree-optimization/48794
1874 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1875 regions referenced from RESX/EH_DISPATCH.
1877 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1879 * config/s390/s390.h: Make BRANCH_COST an option.
1880 * config/s390/s390.opt: New option -mbranch-cost.
1882 2012-01-26 Richard Henderson <rth@redhat.com>
1884 Revert 2012-01-24 change:
1885 * trans-mem.c (requires_barrier): Do not instrument thread local
1886 variables and emit save/restore for them.
1888 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1891 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1894 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1896 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1899 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1902 Rename __pgm to __flash.
1903 Rename __pgm1 to __flash1.
1904 Rename __pgm2 to __flash2.
1905 Rename __pgm3 to __flash3.
1906 Rename __pgm4 to __flash4.
1907 Rename __pgm5 to __flash5.
1908 Rename __pgmx to __memx.
1909 * doc/extend.texi (AVR Named Address Spaces)
1910 Rename address space names as indicated above.
1911 * config/avr/avr.c (avr_addrspace): Ditto.
1913 * config/avr/avr-protos.h
1914 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1915 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1916 * config/avr/predicates.md: Ditto.
1917 * config/avr/avr.c Ditto, and
1918 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1919 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1921 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1922 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1923 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1924 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1925 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1926 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1927 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1928 * config/avr/avr.c: Ditto.
1929 * config/avr/avr.md: Ditto.
1931 2012-01-25 Jason Merrill <jason@redhat.com>
1934 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1936 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1938 PR tree-optimization/51987
1939 * tree-data-ref.c (get_references_in_stmt): Handle references in
1940 non-volatile GIMPLE_ASM.
1942 2012-01-25 Richard Guenther <rguenther@suse.de>
1944 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1945 bases are dereferenced.
1947 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1949 PR rtl-optimization/48374
1950 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1952 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1954 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1955 compute_data_dependences_for_loop returns false.
1956 * tree-parloops.c (loop_parallel_p): Likewise.
1958 2012-01-25 Richard Guenther <rguenther@suse.de>
1960 * tree.h (get_pointer_alignment_1): Declare.
1961 * builtins.c (get_pointer_alignment_1): New function.
1962 (get_pointer_alignment): Use it.
1964 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1966 PR rtl-optimization/48308
1967 * combine.c (enum undo_kind): Add UNDO_LINKS.
1968 (struct undo): Add member l to other_contents and where.
1969 (do_SUBST_LINK): New.
1971 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1972 (undo_all): Handle UNDO_LINKS.
1974 2012-01-25 Richard Henderson <rth@redhat.com>
1976 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1979 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1981 * optabs.c (gen_atomic_test_and_set): Use each argument.
1983 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1985 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1986 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1987 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1988 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1989 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1990 TARGET_PAIRED_SINGLE_FLOAT.
1992 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1994 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1995 (in_struct, return_val): Remove MEM documentation.
1996 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1997 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1998 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2000 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2001 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2002 * expr.c (store_field): Likewise.
2003 * function.c (assign_stack_temp_for_type): Likewise.
2004 * ifcvt.c (noce_try_cmove_arith): Likewise.
2005 * reload1.c (reload): Likewise.
2006 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2007 (alpha_set_memflags): Likewise.
2008 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2010 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2012 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2014 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2015 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2016 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2018 * cselib.c (cselib_rtx_varies_p): Delete.
2019 (cselib_invalidate_mem): Update call to canon_true_dependence.
2020 * dse.c (record_store, check_mem_read_rtx): Likewise.
2021 (scan_reads_nospill): Likewise.
2022 * cse.c (check_dependence): Likewise.
2023 (cse_rtx_varies_p): Delete.
2024 * expr.c (safe_from_p): Update call to true_dependence.
2025 * ira.c (validate_equiv_mem_from_store): Likewise.
2026 (memref_referenced_p): Likewise.
2027 * postreload-gcse.c (find_mem_conflicts): Likewise.
2028 * sched-deps.c (sched_analyze_2): Likewise.
2029 * store-motion.c (load_kills_store): Likewise.
2030 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2031 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2032 (compute_transp): Update call to canon_true_dependence.
2034 2012-01-25 Richard Henderson <rth@redhat.com>
2036 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2037 (maybe_emit_atomic_test_and_set): New.
2038 (expand_sync_lock_test_and_set): Use it.
2039 (expand_atomic_test_and_set): Likewise.
2040 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2041 the implementation; clarify implementation defined details.
2042 * doc/md.texi (atomic_test_and_set): Document.
2044 2012-01-25 Richard Henderson <rth@redhat.com>
2046 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2048 2012-01-25 Richard Henderson <rth@redhat.com>
2051 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2052 to effect no-op split.
2054 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2057 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2058 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2059 (BT_FN_VOID_PTR_INT_SIZE): New.
2060 (BT_FN_UINT_UINT_VAR): Remove.
2061 (BT_FN_UINT32_UINT32_VAR): New.
2062 (BT_FN_DOUBLE_VPTR): Remove.
2063 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2065 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2066 (_ITM_changeTransactionMode): Same.
2067 (_ITM_memmoveRtWt): Change return type to void.
2068 (_ITM_memcpyRtWt): Same.
2069 (_ITM_memsetW): Same.
2070 (_ITM_RaRD): Change types to double.
2075 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2077 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2078 Patrick Marlier <patrick.marlier@gmail.com>
2080 * trans-mem.c (requires_barrier): Do not instrument thread local
2081 variables and emit save/restore for them.
2083 2012-01-24 Jason Merrill <jason@redhat.com>
2086 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2087 output static aliases.
2089 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2092 * common.opt (-pie, -shared, pie, shared): Change from Common to
2094 * gcc.c (display_help): Display help for -pie and -shared.
2096 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2099 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2100 Remove note on size/offset limitation.
2101 (AVR Variable Attributes): Add example how to read data located
2102 with progmem. Refer to named address spaces.
2103 * doc/invoke.texi (AVR Options): Fix typo.
2105 2012-01-24 Richard Guenther <rguenther@suse.de>
2107 Forward-port to trunk
2108 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2111 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2112 op0 isn't sufficiently aligned and there is movmisalignM
2113 insn for mode, use it to load op0 into a temporary register.
2115 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2118 * target.def (const_not_ok_for_debug_p): New hook.
2119 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2121 * doc/tm.texi: Regenerated.
2122 * dwarf2out.c (const_ok_for_output_1): If
2123 targetm.const_not_ok_for_debug_p returns true, fail.
2124 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2126 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2128 2012-01-23 Kai Tietz <ktietz@redhat.com>
2131 * config/i386/predicates.md (symbolic_operand): Allow
2132 UNSPEC_PCREL as PIC expression for lea.
2133 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2134 * config/i386/i386.c (ix86_delegitimize_address): Handle
2135 UNSPEC_PCREL for none-MEM, too.
2137 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2139 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2140 (ipa_tm_create_version_alias): Same.
2142 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2145 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2146 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2148 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2149 Patrick Marlier <patrick.marlier@gmail.com>
2150 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2153 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2154 simple_object_start_read.
2156 2012-01-23 Richard Guenther <rguenther@suse.de>
2159 PR tree-optimization/51895
2160 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2161 parameter decomposition into BLKmode components.
2163 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2165 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2166 fake variables for restrict-qualified pointers whose pointed-to type
2167 contains a placeholder.
2169 2012-01-23 Richard Guenther <rguenther@suse.de>
2171 PR tree-optimization/51949
2172 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2174 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2176 PR rtl-optimization/51933
2177 * ree.c (transform_ifelse): Return true right away if dstreg is
2178 already wider or equal to cand->mode.
2179 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2180 (make_defs_and_copies_lists): Remove defs_list and copies_list
2181 arguments, add state argument, just truncate state->work_list
2182 instead of always allocating and freeing the vector. Assert that
2183 get_defs succeeds instead of returning 2. Changed return type to bool.
2184 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2185 have ext_src_mode, see if it has been modified already with the
2186 right kind of extension and has been extended before from the
2187 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2188 just return true. Remember the original mode in state->modified array.
2189 (combine_reaching_defs): Add state argument. Don't allocate and
2190 free here def_list, copied_list and vec vectors, instead just
2191 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2192 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2193 Add state variable, clear vectors in it, initialize state.modified
2194 if needed. Free all the vectors at the end and state.modified too.
2195 Don't skip a candidate if the extension expression has been modified.
2197 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2200 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2201 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2202 (extra_options) interix.opt -> i386/interix.opt"
2203 (extra_objs):Add winnt-stubs.o
2204 * configure.ac: Add interix to target_os .comm on PE check.
2205 * configure: Regenerate.
2206 * config/interix3.h: Delete and move bits to..
2207 * config/interix.h: Delete and move bits to..
2208 * config/i386/i386-interix3.h: Delete and move bits to..
2209 * config/i386/i386-interix.h: ..here.
2210 (TARGET_CPU_DEFAULT): Remove redefinition.
2211 (TARGET_ASM_CONSTRUCTOR): Undefine.
2212 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2213 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2214 (PTRDIFF_TYPE): Define.
2215 (LONG_DOUBLE_TYPE_SIZE): Define.
2216 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2217 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2218 (TARGET_SECTION_TYPE_FLAGS): Define.
2219 (ASM_DECLARE_FUNCTION_NAME): Define.
2220 (ASM_OUTPUT_EXTERNAL): Define.
2221 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2222 (ASM_OUTPUT_ALIGNED_BSS): Define.
2223 (PCC_BITFIELD_TYPE_MATTERS): Define.
2224 (USE_CONST_SECTION): Define.
2225 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2226 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2227 (SUPPORTS_ONE_ONLY): Remove.
2228 (I386_PE_STRIP_ENCODING): Define.
2229 * config/interix.opt: Delete and move bits to..
2230 * config/i386/interix.opt: ..here. New.
2231 (mpe-aligned-commons): Add.
2232 * config/i386/t-interix: Add copyright header.
2233 (winnt-stubs.o): Add rule.
2235 2012-01-22 Jason Merrill <jason@redhat.com>
2238 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2239 for extra name aliases.
2241 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2243 PR rtl-optimization/51924
2244 * ree.c (combine_set_extension): Improve debugging message.
2245 (combine_reaching_defs): Likewise.
2246 (get_defs): Rename confusingly named variable.
2247 (find_and_remove_re): Skip a candidate if the extension expression has
2250 2012-01-21 Robert Millan <rmh@gnu.org>
2251 Gerald Pfeifer <gerald@pfeifer.com>
2253 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2254 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2256 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2258 PR tree-optimization/51914
2259 * tree-vect-stmts.c (vectorizable_conversion): For
2260 cvt_type && modifier == WIDEN, put temporary with cvt_type
2261 at the beginning of vec_dsts and set vec_dest to temporary
2264 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2266 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2268 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2270 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2271 * config/rs6000/rs6000.c: Likewise.
2273 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2276 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2277 output_move_double on a copy of operands array.
2279 2012-01-20 Cary Coutant <ccoutant@google.com>
2280 Dodji Seketeli <dodji@redhat.com>
2283 * dwarf2out.c (copy_declaration_context): Return ref to parent
2284 of declaration DIE, if necessary.
2285 (remove_child_or_replace_with_skeleton): Add new parameter; update
2286 caller. Place skeleton DIE under parent DIE of original declaration.
2287 Move call to copy_declaration_context to here ...
2288 (break_out_comdat_types): ... from here.
2290 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2292 PR rtl-optimization/51856
2293 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2296 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2299 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2300 hints for neon loads and stores.
2302 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2306 * doc/extend.texi (Named Address Spaces): Split into subsections.
2307 (AVR Named Address Spaces): New subsection.
2308 (M32C Named Address Spaces): New subsection.
2309 (RL78 Named Address Spaces): New subsection.
2310 (SPU Named Address Spaces): New subsection.
2311 (Variable Attributes): New anchor "AVR Variable Attributes".
2312 (AVR Variable Attributes): Rewrite and avoid wording
2313 "address space" in this context.
2314 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2315 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2316 (AVR Built-in Macros): New subsubsection therein.
2317 * doc/md.texi (AVR constraints): Remove "C04", "R".
2319 2012-01-20 Richard Guenther <rguenther@suse.de>
2321 PR tree-optimization/51903
2322 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2323 when removing stmts.
2325 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2328 * config/arm/arm.c (arm_load_pic_register): Use
2329 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2330 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2331 (arm_pic_static_addr): Likewise.
2332 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2333 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2334 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2335 (pic_load_addr_unified): New.
2337 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2340 * function.c (instantiate_virtual_regs_in_insn): Use
2341 delete_insn_and_edges when removing a wrong asm insn.
2343 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2345 PR rtl-optimization/40761
2346 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2347 Add new member loop_num.
2348 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2349 (ira_build): Remove the parameter.
2351 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2352 (ira.c): Do not build CFG loops for one region allocation. Remove
2353 argument from ira_build call.
2355 * ira-build.c (init_loop_tree_node): New function.
2356 (create_loop_tree_nodes): Use it. Separate the case when CFG
2357 loops are not built.
2358 (more_one_region_p): Check current_loops.
2359 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2361 (add_loop_to_tree): Process loop equal to NULL too.
2362 (form_loop_tree): Separate the case when CFG loops are not built.
2363 Use explicitly number for the root.
2364 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2366 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2367 instead of loop->num.
2368 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2369 (mark_all_loops_for_removal): Ditto.
2370 (remove_unnecessary_regions): Separate the case when CFG loops
2372 (ira_build): Remove the parameter. Use explicit number of regions
2373 when CFG loops are not built.
2375 * ira-color.c (print_loop_title): Separate the case for the root node.
2376 Use loop_num instead of loop->num.
2377 (move_spill_restore): Use loop_num instead of loop->num.
2379 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2380 (change_loop): Ditto.
2381 (change_loop): Use loop_num instead of loop->num.
2383 * ira-lives.c (process_bb_node_lives): Ditto.
2385 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2387 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2389 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2392 * tree-mudflap.c (mf_artificial): New function.
2393 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2394 mx_register_decls, mudflap_enqueue_decl): Use it.
2397 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2398 numbers in the insn pattern.
2400 2012-01-19 Michael Matz <matz@suse.de>
2402 PR tree-optimization/46590
2403 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2404 use it in remembering which conflicts we already created.
2405 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2408 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2411 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2412 (merge_and_complain): Same.
2414 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2417 * config/initfini-array.h: Guard content of the header
2418 with #ifdef HAVE_INITFINI_ARRAY.
2419 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2420 Add initfini-array.h to tm_file here.
2421 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2422 * config.gcc: Don't add initfini-array.h to tm_file here.
2423 * configure: Regenerated.
2425 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2427 PR rtl-optimization/51505
2428 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2429 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2430 (df_note_bb_compute): Update the call to df_kill_notes.
2432 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2434 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2436 2012-01-18 Richard Guenther <rguenther@suse.de>
2438 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2439 of conversions to void *.
2441 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2442 Richard Sandiford <rdsandiford@googlemail.com>
2446 * optabs.h (simplify_expand_binop): Declare.
2447 * optabs.c (simplify_expand_binop): Make global.
2448 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2449 endian targets if the source cannot be exactly covered by word
2452 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2455 * hard-reg-set.h (struct hard_reg_set_container): New type.
2456 * target.h (struct hard_reg_set_container): Forward declare.
2457 * target.def (set_up_by_prologue): New target hook.
2458 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2459 * doc/tm.texi: Regenerated.
2460 * function.c (thread_prologue_and_epilogue_insns): Change
2461 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2462 Call targetm.set_up_by_prologue on it.
2463 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2464 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2466 2012-01-17 Nick Clifton <nickc@redhat.com>
2468 * config/rx/rx.c (rx_can_use_simple_return): New function.
2469 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2470 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2472 2012-01-17 Richard Guenther <rguenther@suse.de>
2475 * expr.c (expand_assignment): Take address-space information
2476 from the address operand of MEM_REF and TARGET_MEM_REF.
2477 (expand_expr_real_1): Likewise.
2479 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2481 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2482 reload dump is requested.
2484 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2487 * trans-mem.c (requires_barrier): Call may_be_aliased.
2489 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2491 PR tree-optimization/51877
2492 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2493 call arguments and fndecls compare equal, instead return false if they
2494 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2495 both SSA_NAMEs that are valueized the same, or they satisfy
2498 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2500 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2502 * configure: Regenerate.
2504 2012-01-16 Jan Hubicka <jh@suse.cz>
2508 * convert.c (convert_to_integer): Use fold_convert for
2509 converting an INTEGER_CST to integer type.
2511 2012-01-16 Jason Merrill <jason@redhat.com>
2514 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2516 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2519 * config/s390/s390.c (s390_chunkify_start): Don't skip
2520 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2521 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2522 If insn is followed by NOTE_INSN_VAR_LOCATION or
2523 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2524 Don't use location of note insns.
2526 PR tree-optimization/51865
2527 * tree-inline.c (tree_function_versioning): Call remap_decl
2528 on DECL_RESULT whenever it has VOID_TYPE_P type.
2530 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2532 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2533 for calls to locally-binding MIPS16 functions if only the return
2534 type uses float regs.
2536 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2537 Richard Sandiford <rdsandiford@googlemail.com>
2539 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2540 (SYMBOL_32_HIGH): Likewise.
2541 (mips_output_tls_reloc_directive): Declare.
2542 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2543 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2544 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2545 (mips_lo_relocs, mips_hi_relocs): Make extern.
2546 (mips16_stub_function): Move up file.
2547 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2548 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2549 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2550 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2551 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2552 (mips_get_tp): Add MIPS16 support.
2553 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2554 Generalize DTPREL and TPREL handling.
2555 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2556 Add MIPS16 TLS support.
2557 (mips_output_tls_reloc_directive): New function.
2558 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2559 * config/mips/predicates.md (symbolic_operand_with_high)
2560 (tls_reloc_operand): New predicates.
2561 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2562 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2563 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2564 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2565 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2566 (*tls_get_tp_mips16_call_<mode>): Likewise.
2568 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2570 PR rtl-optimization/51821
2571 * recog.c (peep2_find_free_register): Determine clobbered registers
2574 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2577 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2578 * config/avr/avr.c: Likewise.
2579 * config/avr/avr.h: Likewise.
2581 2012-01-13 Ian Lance Taylor <iant@google.com>
2584 * tree.h (TYPE_QUALS): Add cast to int.
2585 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2587 2012-01-13 Ian Lance Taylor <iant@google.com>
2589 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2590 comparing param_index to VEC_length result.
2592 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2594 * c-decl.c: Do not include tree-mudflap.h
2595 * tree-optimize.c: Likewise.
2596 * Makefile.in: Update dependencies.
2598 2012-01-13 Richard Guenther <rguenther@suse.de>
2601 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2602 variable-sized result always use RSO.
2604 2012-01-12 DJ Delorie <dj@redhat.com>
2606 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2607 pointer type, not just the default pointer type.
2609 2012-01-09 Richard Henderson <rth@redhat.com>
2610 Denis Chertykov <chertykov@gmail.com>
2613 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2614 * config/avr/avr.c (avr_can_eliminate): Simplify.
2615 (avr_initial_elimination_offset): Likewise.
2616 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2617 (expand_epilogue): Likewise.
2618 (avr_legitimize_address): Gut.
2619 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2620 (avr_hard_regno_nregs): New.
2621 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2622 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2623 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2624 add soft frame pointer.
2625 (CALL_USED_REGISTERS): Likewise.
2626 (REG_CLASS_CONTENTS): Likewise.
2627 (REGISTER_NAMES): Likewise.
2628 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2629 (HARD_FRAME_POINTER_REGNUM): New.
2630 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2631 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2632 remove the HARD_FRAME_POINTER self-elimination.
2634 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2637 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2638 DECL_EXTERNAL when checking for initializers of progmem variables.
2640 2012-01-12 Ira Rosen <irar@il.ibm.com>
2642 PR tree-optimization/51799
2643 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2644 that the last operation is a type demotion.
2646 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2648 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2649 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2651 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2654 * combine.c (distribute_notes): If i3 is a noreturn call,
2655 allow old_size to be equal to args_size and make sure the
2656 noreturn call gets REG_ARGS_SIZE note.
2657 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2658 on noreturn calls even when the delta is 0.
2660 2012-01-11 Nathan Sidwell <nathan@acm.org>
2662 * gcov.c (STRING_SIZE): Remove.
2663 (generate_results): Erase annotations for source files with no
2664 coverage information.
2666 (output_lines): Use it.
2668 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2670 * gimple.h (gimplify_body): Remove first argument.
2671 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2672 pointer set here, instead just pass DATA to walk_tree.
2673 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2674 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2675 (unvisit_body): Likewise, but with unmark_visited.
2676 (gimplify_body): Remove BODY_P argument and adjust.
2677 (gimplify_function_tree): Adjust call to gimplify_body.
2678 * omp-low.c (finalize_task_copyfn): Likewise.
2680 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2682 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2683 (build_function_type_skip_args): Delete.
2684 * tree.c (build_function_type_skip_args): Make static and add
2685 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2686 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2687 pass it to build_function_type_skip_args.
2688 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2689 (tree_function_versioning): Likewise.
2690 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2691 build_function_decl_skip_args.
2692 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2693 and pass it to build_function_decl_skip_args/tree_function_versioning.
2694 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2695 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2696 * trans-mem.c (ipa_tm_create_version): Likewise.
2697 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2698 * tree-inline.c (declare_return_variable): Remove always-true test.
2699 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2700 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2701 * ipa-split.c (split_function): Skip the return value for the split
2702 part if it doesn't return.
2704 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2706 PR tree-optimization/49642
2707 * ipa-split.c (forbidden_dominators): New variable.
2708 (check_forbidden_calls): New function.
2709 (dominated_by_forbidden): Likewise.
2710 (consider_split): Check for forbidden dominators.
2711 (execute_split_functions): Initialize and free forbidden
2712 dominators info; call check_forbidden_calls.
2714 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2716 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2718 2012-01-11 Nick Clifton <nickc@redhat.com>
2720 * config/rx/rx.md (return): Define pattern.
2722 2012-01-11 Richard Guenther <rguenther@suse.de>
2724 * doc/extend.texi (malloc attribute): Adjust according to
2727 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2728 Patrick Marlier <patrick.marlier@gmail.com>
2731 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2732 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2733 (ipa_tm_note_irrevocable): Same.
2734 (ipa_tm_scan_irr_block): Same.
2735 (ipa_tm_decrement_clone_counts): Same.
2736 (ipa_tm_scan_irr_function): Same.
2737 (ipa_tm_create_version_alias): Same.
2738 (ipa_tm_create_version): Same.
2739 (ipa_tm_transform_calls_redirect): Same.
2740 (ipa_tm_transform_calls): Same.
2741 (ipa_tm_transform_transaction): Same.
2742 (ipa_tm_execute): Same.
2744 2012-01-10 Richard Guenther <rguenther@suse.de>
2747 * opts.c (common_handle_option): Handle -Werror.
2749 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2751 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2754 2012-01-10 Jason Merrill <jason@redhat.com>
2756 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2759 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2761 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2762 supports R_386_TLS_GD_PLT reloc.
2763 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2764 supports R_386_TLS_LDM_PLT reloc.
2765 * configure: Regenerate.
2766 * config.in: Regenerate.
2768 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2771 Extend __pgmx semantics to linearize memory.
2772 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2773 determine if code comes inline or from libgcc.
2774 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2775 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2776 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2777 (movmemx_qi, movmemx_hi): New insns.
2778 (xload_<mode>_libgcc): Rewrite to new insn condition.
2779 (xload_<mode>): Remove insns.
2780 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2781 cases that don't satisfy avr_xload_libgcc_p().
2782 (avr_addr_space_convert): Allow converting in any direction.
2783 (avr_addr_space_subset_p): Return always true.
2784 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2785 (avr_emit_movmemhi): Ditto.
2786 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2787 (avr_out_movmem): Ditto.
2788 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2789 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2790 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2791 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2792 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2794 2012-01-10 Richard Guenther <rguenther@suse.de>
2796 PR tree-optimization/50913
2797 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2798 Require data-refs to be representable by Graphite with respect
2801 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2803 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2804 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2806 2012-01-10 Tom de Vries <tom@codesourcery.com>
2808 PR rtl-optimization/51271
2809 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2810 handling annulled branch.
2812 2012-01-10 Richard Henderson <rth@redhat.com>
2814 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2815 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2816 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2817 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2818 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2819 arm_expand_vec_perm_const): New.
2820 * config/arm/arm-protos.h: Update.
2821 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2822 (*neon_vswp<VDQX>): New.
2823 (neon_vcombine<VDX>): Use neon_split_vcombine.
2824 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2825 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2826 (vec_perm<VE>): New.
2828 2012-01-10 Richard Henderson <rth@redhat.com>
2830 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2831 use it if reload_completed.
2832 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2833 arm_output_asm_insn, arm_process_output_memory_barrier,
2834 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2835 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2836 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2837 arm_process_output_sync_insn, arm_output_sync_insn,
2838 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2839 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2840 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2841 (emit_unlikely_jump): New.
2842 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2843 (arm_split_atomic_op): New.
2844 * config/arm/arm-protos.h: Update.
2845 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2846 (struct arm_sync_generator): Remove.
2847 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2848 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2849 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2850 (VUNSPEC_LL, VUNSPEC_SC): New.
2851 (sync_result, sync_memory, sync_required_value, sync_new_value,
2852 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2853 (attr length): Don't use arm_sync_loop_insns.
2854 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2855 (movsfcc, movdfcc): Likewise.
2856 * config/arm/constraints.md (Ua): New.
2857 * config/arm/prediates.md (mem_noofs_operand): New.
2858 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2859 (sync_clobber, sync_t2_reqd): Remove.
2860 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2861 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2862 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2863 (arm_sync_compare_and_swap<SIDI>): Remove.
2864 (arm_sync_compare_and_swap<NARROW>): Remove.
2865 (arm_sync_lock_test_and_set<SIDI>): Remove.
2866 (arm_sync_lock_test_and_set<NARROW>): Remove.
2867 (arm_sync_new_<syncop><SIDI>): Remove.
2868 (arm_sync_new_<syncop><NARROW>): Remove.
2869 (arm_sync_new_nand<SIDI>): Remove.
2870 (arm_sync_new_nand<NARROW>): Remove.
2871 (arm_sync_old_<syncop><SIDI>): Remove.
2872 (arm_sync_old_<syncop><NARROW>): Remove.
2873 (arm_sync_old_nand<SIDI>): Remove.
2874 (arm_sync_old_nand<NARROW>): Remove.
2875 (*memory_barrier): Merge arm_output_memory_barrier.
2876 (atomic_compare_and_swap<QHSD>): New.
2877 (atomic_compare_and_swap<NARROW>_1): New.
2878 (atomic_compare_and_swap<SIDI>_1): New.
2879 (atomic_exchange<QHSD>): New.
2880 (cas_cmp_operand, cas_cmp_str): New.
2881 (atomic_op_operand, atomic_op_str): New.
2882 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2883 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2884 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2885 (arm_load_exclusive<NARROW>): New.
2886 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2887 (arm_store_exclusive<QHSD>): New.
2889 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2891 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2892 reload patterns if -mvsx-scalar-memory.
2894 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2895 generated, even -mno-vsx-scalar-double was used.
2896 (vsx_xscvdpsp_scalar): Likewise.
2897 (vsx_xscvspdp_scalar2): Likewise.
2899 2012-01-09 Tom de Vries <tom@codesourcery.com>
2900 Andrew Pinski <apinski@cavium.com>
2903 * reorg.c (fill_slots_from_thread): Don't speculate
2904 frame-related insns.
2906 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2908 * sched-int.h (bb_note): Move to...
2909 * basic-block.h: ...here.
2910 * haifa-sched.c (bb_note): Move to...
2911 * cfgrtl.c: ...here.
2912 * function.c (next_block_for_reg): New function.
2913 (move_insn_for_shrink_wrap): Likewise.
2914 (prepare_shrink_wrap): Rewrite to use the above.
2916 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2918 * gimple.c (is_gimple_non_addressable): Remove.
2919 * gimple.h: Remove is_gimple_non_addressable.
2920 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2921 is_gimple_non_addressable.
2922 * trans-mem.c (expand_assign_tm): Same.
2924 2012-01-09 Richard Guenther <rguenther@suse.de>
2926 PR tree-optimization/51775
2927 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2928 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2930 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2932 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2934 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2936 2012-01-09 Richard Guenther <rguenther@suse.de>
2938 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2940 2012-01-08 Jan Hubicka <jh@suse.cz>
2942 PR tree-optimize/51680
2943 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2944 on when known_vals needs to be computed; cleanup.
2946 2012-01-08 Jan Hubicka <jh@suse.cz>
2948 PR tree-optimize/51694
2949 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2951 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2953 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2954 for -std=c++98 and -std=c++11 too.
2956 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2958 * cfgloop.c (cancel_loop): Add free() of bbs array.
2960 2012-01-07 Jan Hubicka <jh@suse.cz>
2962 PR tree-optimization/51600
2963 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2964 that benefits small functions.
2966 2012-01-07 Jan Hubicka <jh@suse.cz>
2968 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2970 2012-01-07 Jan Hubicka <jh@suse.cz>
2972 PR tree-optimization/51680
2973 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2974 whose inlining reduce unit size.
2976 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2979 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2980 Add canonical node to containing_mem chain after the non-canonical
2981 one, even if there weren't any locs to propagate.
2982 (remove_useless_values): Keep only canonical values.
2983 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2984 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2985 canonicalize mem_chain elements that are not discarded.
2987 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2990 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2991 before emitting functions.
2993 PR gcov-profile/50127
2994 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2995 clear_aux_for_blocks.
2997 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3000 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3002 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3004 * c-decl.c (ext_block): Moved up.
3005 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3007 2012-01-06 Han Shen <shenhan@google.com>
3009 Translate built-in include paths for sysroot.
3010 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3011 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3013 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3014 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3016 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3017 control whether sysroot should be prepended to gxx include dir.
3019 * configure: Regenerate.
3021 2012-01-06 Torvald Riegel <triegel@redhat.com>
3023 PR rtl-optimization/51771
3024 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3025 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3027 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3029 PR tree-optimization/51315
3030 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3031 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3033 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3036 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3037 for shrp pattern. Correctly handle and fixup shift variable.
3038 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3040 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3043 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3044 note when !ACCUMULATE_OUTGOING_ARGS.
3046 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3048 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3050 (extract_range_from_unary_expr_1): Avoid useless computations.
3052 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3054 PR rtl-optimization/51767
3055 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3056 of jump_block and add an extra edge for degenerated asm gotos.
3059 * stmt.c (check_unique_operand_names): Don't ICE during error
3060 reporting if i is from labels chain.
3063 * profile.c (branch_prob): Split bbs that have exit edge
3064 and need a fake entry edge too.
3066 2012-01-05 Jan Hubicka <jh@suse.cz>
3069 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3072 2012-01-05 Richard Guenther <rguenther@suse.de>
3075 * tree-streamer-out.c (write_ts_optimization): New function.
3076 (streamer_write_tree_body): Call it.
3077 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3078 (streamer_read_tree_body): Call it.
3079 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3081 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3084 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3085 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3086 in_cleanup_point_expr before gimplify_stmt call and restore it
3088 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3089 in_cleanup_point_expr is false.
3091 2012-01-05 Richard Guenther <rguenther@suse.de>
3094 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3096 * toplev.c (process_options): Reject combining mudflap and LTO.
3097 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3099 2012-01-05 Richard Guenther <rguenther@suse.de>
3101 PR tree-optimization/51760
3102 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3104 (bit_value_unop): Handle UNDEFINED operands.
3105 (bit_value_binop): Likewise.
3107 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3109 * config/avr/avr.c (avr_replace_prefix): Remove.
3110 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3111 (avr_asm_function_rodata_section): Ditto.
3112 (avr_asm_select_section): Ditto.
3114 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3116 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3119 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3122 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3123 calls that have any non-fake successor edges.
3126 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3128 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3130 PR tree-optimization/51624
3131 * tree-sra.c (build_ref_for_model): When replicating a chain of
3132 COMPONENT_REFs, stop as soon as the offset would become negative.
3134 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3137 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3138 in .debug_loc on the floor.
3140 2012-01-04 Andrew Pinski <apinski@cavium.com>
3142 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3144 2012-01-04 Andrew Pinski <apinski@cavium.com>
3145 Adam Nemet <anemet@caviumnetworks.com>
3147 * config/mips/mips.md (size): Add SI and DI.
3148 (SIZE): New mode attribute.
3149 (U): New code attribute.
3150 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3151 (mips_lbux_<mode>): Delete.
3152 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3153 (mips_lhx): Use gen_mips_lhx_extsi.
3154 (mips_lhx_<mode>): Delete.
3156 (mips_l<size>x): New expand.
3157 (mips_lwx_<mode>): Delete.
3158 (mips_l<GPR:size>x_<P:mode>): New pattern.
3159 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3160 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3161 * config/mips/mips.c (mips_lx_address_p): New function.
3162 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3163 (dsp64): New availability predicate.
3164 (mips_builtins): Add an entry for __builtin_mips_ldx.
3165 * config/mips/mips.h (ISA_HAS_LBX): New define.
3166 (ISA_HAS_LBUX): Likewise.
3167 (ISA_HAS_LHX): Likewise.
3168 (ISA_HAS_LHUX): Likewise.
3169 (ISA_HAS_LWX): Likewise.
3170 (ISA_HAS_LWUX): Likewise.
3171 (ISA_HAS_LDX): Likewise.
3172 * doc/extend.texi (__builtin_mips_ldx): Document.
3174 2012-01-04 Tristan Gingold <gingold@adacore.com>
3176 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3177 when long pointers are used.
3178 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3179 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3180 (ia64-hp-*vms*): Remove.
3181 * config/vms/xm-vms64.h: Delete.
3183 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3186 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3188 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3190 * opts.c (finish_options): Remove duplicate sorry.
3192 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3195 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3198 2012-01-04 Richard Guenther <rguenther@suse.de>
3201 * tree.c (size_low_cst): New function.
3202 * tree.h (size_low_cst): Declare.
3203 * fold-const.c (fold_comparison): Use it to extract the low
3204 part of the POINTER_PLUS_EXPR offset.
3206 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3208 Fix clearing ZERO_REG
3209 * config/avr/avr.md (cc): Add alternative "ldi".
3210 (movqi_insn): Use it in cc attribute.
3211 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3212 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3213 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3215 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3217 * configure: Regenerate.
3219 2012-01-04 Richard Guenther <rguenther@suse.de>
3221 PR tree-optimization/49651
3222 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3223 (var_can_have_subvars): Use it.
3224 (get_constraint_for_1): Only consider subfields if there can be any.
3226 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3229 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3230 to its new canonical_cselib_val and the cselib_val was in
3231 first_containing_mem chain, but the canonical_cselib_val was not,
3232 add the latter into the chain.
3233 (cselib_invalidate_mem): Compare canonical_cselib_val of
3234 addr_list chain elt with v.
3237 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3238 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3240 (output_macinfo_op): Don't ggc_strdup fd->filename.
3241 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3242 then ggc_strdup it. Don't free inc->info or cur->info.
3243 (output_macinfo): Don't free ref->info or file->info.
3245 2012-01-03 Ira Rosen <irar@il.ibm.com>
3247 PR tree-optimization/51269
3248 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3249 first_niters a pointer.
3250 (slpeel_tree_peel_loop_to_edge): Likewise.
3251 (vect_do_peeling_for_loop_bound): Update call to
3252 slpeel_tree_peel_loop_to_edge.
3253 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3254 here. Remove it from the parameters list.
3255 (vect_do_peeling_for_alignment): Update calls and compute
3258 2012-01-03 Richard Guenther <rguenther@suse.de>
3260 PR tree-optimization/51070
3261 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3262 Properly handle calls.
3264 2012-01-03 Richard Guenther <rguenther@suse.de>
3266 PR tree-optimization/51692
3267 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3268 the LHS of allocation stmts.
3270 2012-01-03 Olivier Hainque <hainque@adacore.com>
3272 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3274 2012-01-03 Olivier Hainque <hainque@adacore.com>
3276 * collect2.c (main): In AIX specific computations for vector
3277 insertions, use CONST_CAST2 to cast from char ** to const char **.
3279 2012-01-03 Richard Guenther <rguenther@suse.de>
3282 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3283 the context of a limbo DIE when it does not already exist.
3285 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3287 PR tree-optimization/51719
3288 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3289 but direct call is, clear direct call's lhs and don't add fallthrough
3290 edge from dcall_bb to join_bb and PHIs.
3292 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3294 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3295 the instructions emitted by the pattern.
3296 ("*TDC_insn_<mode>"): Add comment.
3298 2012-01-03 Richard Guenther <rguenther@suse.de>
3301 * fold-const.c (fold_comparison): Properly canonicalize
3302 tree offset and HOST_WIDE_INT bit position.
3304 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3306 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3307 operands for extzv pattern.
3309 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3312 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3315 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3317 * doc/invoke.texi (-flto and related options): Copy-edit.
3319 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3321 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3323 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3325 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3328 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3330 * expr.h (move_by_pieces_ninsns): Declare.
3331 * expr.c (move_by_pieces_ninsns): Make external.
3332 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3333 (mips_store_by_pieces_p): Likewise.
3334 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3335 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3336 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3337 (mips_store_by_pieces_p): Likewise.
3339 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3341 * passes.c (register_one_dump_file): Free full_name.
3343 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3344 (calculate_elim_costs_all_insns): Free offsets_at and
3345 offsets_known_at at the end and clear the pointers.
3347 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3349 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3350 this option introduced in r180739.
3352 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3355 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3356 (tmake_file target=avr): Add avr/t-multilib.
3358 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3359 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3360 * config/avr/genmultilib.awk: New file.
3361 * config/avr/t-multilib: New auto-generated file.
3362 * config/avr/multilib.h: New auto-generated file.
3363 * config/avr/t-avr (AVR_MCUS): New variable.
3364 (genopt.sh): Use it.
3365 (s-mlib): Depend on t-multilib.
3366 (t-multilib, multilib.h): New dependencies.
3367 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3368 (MULTILIB_OPTIONS): Remove.
3369 (MULTILIB_MATCHES): Remove.
3370 (MULTILIB_DIRNAMES): Remove.
3371 (MULTILIB_EXCEPTIONS): Remove:
3372 * config/avr/genopt.sh: Don't use hard coded file name;
3373 pass AVR_MCUS from t-avr instead.
3375 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3377 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3379 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3381 Implement light-weight DImode support.
3382 * config/avr/avr-dimode.md: New file.
3383 * config/avr/avr.md: Include it.
3384 (adjust_len): Add plus64, compare64.
3385 (HIDI): Remove code iterator.
3386 (code_stdname): New code attribute.
3387 (rotx, rotsmode): Remove DI.
3388 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3390 * config/avr/avr-protos.h (avr_have_dimode): New.
3391 (avr_out_plus64, avr_out_compare64): New.
3392 * config/avr/avr.c (avr_out_compare): Handle DImode.
3393 (avr_have_dimode): New variable definition and initialization.
3394 (avr_out_compare64, avr_out_plus64): New functions.
3395 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3396 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3397 (avr_compare_pattern): Skip DImode comparisons.
3399 2012-01-02 Revital Eres <revital.eres@linaro.org>
3401 * ddg.c (def_has_ccmode_p): New function.
3402 (add_cross_iteration_register_deps,
3403 create_ddg_dep_from_intra_loop_link): Call it.
3405 2012-01-02 Richard Guenther <rguenther@suse.de>
3408 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3410 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3412 * gcc.c (process_command): Update copyright notice dates.
3413 * gcov.c (print_version): Likewise.
3414 * gcov-dump.c (print_version): Likewise.
3415 * mips-tfile.c (main): Likewise.
3416 * mips-tdump.c (main): Likewise.
3418 2012-01-01 Ira Rosen <irar@il.ibm.com>
3420 PR tree-optimization/51704
3421 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3422 a use is inside the basic block or loop before accessing its vect info.
3424 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3426 PR rtl-optimization/51069
3427 * cfgloopmanip.c (remove_path): Removing path making irreducible
3428 region unconditional makes BB part of the region.
3430 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3432 PR tree-optimization/51683
3433 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3434 calls with side-effects.
3435 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3437 Copyright (C) 2012 Free Software Foundation, Inc.
3439 Copying and distribution of this file, with or without modification,
3440 are permitted in any medium without royalty provided the copyright
3441 notice and this notice are preserved.