1 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/52445
4 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
5 add ssa_name_ver, offset and size fields and change store field
7 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
8 (add_or_mark_expr): Likewise. Only consider previous stores
9 with the same size and offset.
10 (nt_init_block): Only look at gimple_assign_single_p stmts,
13 2012-03-01 Richard Guenther <rguenther@suse.de>
16 * tree-cfg.c (verify_gimple_assign_unary): Allow any
17 conversions from integral types to pointer types.
19 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
21 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
22 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
23 unintentionally removed in r184616.
25 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
27 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
30 2012-02-29 Jakub Jelinek <jakub@redhat.com>
31 Uros Bizjak <ubizjak@gmail.com>
34 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
35 alternatives, add "e" constraint to the new last alternative
36 and ! to last 3 alternatives.
38 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
40 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
41 DW_AT_artificial attributes at the end of the processing.
42 (gen_array_type_die): Likewise.
43 (gen_enumeration_type_die): Likewise.
44 (gen_struct_or_union_type_die): Likewise.
45 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
48 2012-02-29 Jakub Jelinek <jakub@redhat.com>
51 * expr.c (expand_assignment): If doing misaligned store that doesn't
52 cover all mode bits, perform a RMW cycle.
54 PR tree-optimization/52429
55 * tree-parloops.c (separate_decls_in_region_debug): Return early
58 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
60 PR tree-optimization/52424
61 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
62 calling dom_thread_across_edge.
64 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
66 * config/avr/avr.c: Move definition of TARGET macros to end of file.
68 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
70 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
71 * config/avr/avr.c (avr_output_bld): Remove unused function.
72 (avr_out_sbxx_branch): Use "%T" to print bit position.
74 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
76 * config/avr/avr.md: Untabify.
78 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
80 * config/avr/avr.md (eqne): New code iterator.
81 (*dec-and-branchsi): Use it in text peephole's condition.
82 (*dec-and-branchhi): Ditto.
83 (*dec-and-branchqi): Ditto.
85 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
88 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
89 the device does not have the skip-bug.
91 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
93 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
94 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
95 -mpretend-cmove): New.
97 2012-02-29 Jakub Jelinek <jakub@redhat.com>
100 * df.h (struct df_d): Adjust comment that hard_regs_live_count
101 doesn't count DEBUG_INSN refs.
102 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
105 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
109 2012-02-20 Richard Guenther <rguenther@suse.de>
110 PR tree-optimization/52298
111 * tree-vect-stmts.c (vectorizable_load): Properly use
112 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
115 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
118 * gimple.h (gimple_in_transaction): New.
119 (gimple_set_in_transaction): New.
120 (struct gimple_statement_base): Add in_transaction field.
121 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
123 (tree_ssa_lim_initialize): Compute transaction bits.
124 * tree.h (compute_transaction_bits): Protoize.
125 * trans-mem.c (tm_region_init): Use the heap to store BB
127 (compute_transaction_bits): New.
129 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
131 * gcc.c (display_help): Document --help=common and sort entries
134 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
136 * doc/install.texi: Document check-$LANG specific shortcuts
138 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
141 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
143 * config/arm/arm_neon.h: Regenerate.
144 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
145 (neon_vcgeu): New insn.
146 (neon_vcgtu): Likewise.
147 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
148 (ops): Unsigned comparison intrinsics call a different
151 2012-02-28 Richard Guenther <rguenther@suse.de>
154 * config/i386/i386.c (ix86_expand_vector_set): Fix element
155 ordering for the VEC_CONCAT for two element vectors for
156 V2SFmode, V2SImode and V2DImode.
158 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
161 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
162 detecting big-endian triplets.
164 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
166 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
167 mode if there is no type information available.
169 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
171 PR tree-optimization/53207
172 * doc/invoke.texi: Document as experimental and relying on graphite.
174 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
176 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
177 of initializer to changes from r184614.
179 2012-02-28 Richard Guenther <rguenther@suse.de>
181 PR tree-optimization/52395
182 * tree-sra.c (build_ref_for_offset): Also look at the base
183 TYPE_ALIGN when figuring out the alignment of the replacement.
185 2012-02-28 Richard Guenther <rguenther@suse.de>
187 PR tree-optimization/52402
188 * ipa-prop.c (ipa_modify_call_arguments): Properly use
189 mis-aligned types when creating the accesses at the call site.
191 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
193 * config/avr/builtins.def: New file.
194 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
195 * config/avr/avr.c (enum avr_builtin_id): Use it.
196 (avr_init_builtins): Use it. And use avr_bdesc.
197 (bdesc_1arg): Remove.
198 (bdesc_2arg): Remove.
199 (bdesc_3arg): Remove.
200 (struct avr_builtin_description): Add field n_args.
201 (avr_bdesc): New static variable using builtins.def.
202 (avr_expand_builtin): Use it.
203 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
204 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
205 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
207 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
210 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
211 match only one single hard register with respective hard reg rtx.
212 (movmemx_<mode>): Ditto.
213 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
214 insn anatomy of movmem[x]_<mode>.
215 (avr_out_movmem): Same for printing assembler and operand usage.
217 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
221 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
222 address spaces located outside of device flash.
224 * config/avr/avr.h (base_arch_s): Remove field n_segments.
225 (mcu_type_s): Add field n_flash.
226 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
227 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
228 (AVR_MCU): Add N_FLASH argument.
229 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
230 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
231 macro __FLASH<n> if that address space makes sense for the device.
232 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
233 outside of target flash.
234 (avr_asm_named_section): Ditto.
235 (avr_asm_select_section): Ditto.
236 (avr_addr_space_convert): Ditto.
237 (avr_emit_movmemhi): Ditto.
238 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
239 address space is outside of device flash.
240 (avr_insert_attributes): Ditto.
241 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
242 avr_current_arch->n_segments.
244 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
247 * config/i386/i386.md (*movabs<mode>_1): Enable only for
249 (*movabs<mode>_2): Likewise.
251 2012-02-27 Jakub Jelinek <jakub@redhat.com>
254 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
255 s_register_operand in the test instead of REG_P. Don't call
256 gen_reg_rtx if it won't be used.
258 PR tree-optimization/52376
259 * ipa-split.c (split_function): Ignore CLOBBER stmts.
261 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
263 * ifcvt.c (noce_get_condition): Check condition variable is not
264 small_register_classes_for_mode_p before accepting.
266 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
268 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
270 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
273 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
274 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
276 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
278 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
280 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
282 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
284 * config/sh/predicates.md: Remove blank lines.
285 * config/sh/sh.c: Fix typos in comments.
286 * config/sh/constraints.md: Likewise.
287 * config/sh/sh.md: Remove blank lines.
288 Fix typos in comments. Use ;; as comment characters.
290 2012-02-26 Walter Lee <walt@tilera.com>
292 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
293 (replace_mov_pcrel_step2): Ditto.
295 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
298 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
299 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
300 and locs that reference values newer than the non-canonical value
301 at hand. Return the canonical value as a worst case.
302 (memrefs_conflict_p): Walk canonical value's locs.
305 * cselib.c (preserve_only_constants): Rename to...
306 (preserve_constants_and_equivs): ... this. Split out...
307 (invariant_or_equiv_p): ... this. Preserve plus expressions
308 of other preserved expressions too.
309 (cselib_reset_table): Adjust.
310 * var-tracking.c (reverse_op): Use canonical value to build
313 2012-02-23 Kai Tietz <ktietz@redhat.com>
315 * config/i386/i386.c (ix86_delegitimize_address): Handle
316 UNSPEC_PCREL plus displacement.
318 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
321 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
322 to test for unusedness in st X addressing.
324 2012-02-24 Richard Guenther <rguenther@suse.de>
327 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
328 (is_gimple_reg_type): Move inline ...
329 * gimple.h (is_gimple_reg_type): ... here.
331 2012-02-24 Richard Guenther <rguenther@suse.de>
334 * passes.c (execute_function_todo): When verifying SSA form
335 verify gimple form first.
336 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
338 2012-02-24 Richard Guenther <rguenther@suse.de>
341 * fold-const.c (fold_addr_of_array_ref_difference): New function.
342 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
344 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
346 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
348 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
350 * tree-phinodes.c (make_phi_node): Mark static.
351 * tree-flow.h (make_phi_node): Remove extern decl.
352 * doc/gimple.texi (make_phi_node): Remove documentation.
354 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
356 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
357 * tree-ssa-sccvn.c (print_scc): Ditto.
359 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
361 * doc/passes.texi (Full redundancy elimination): Fix typo.
363 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
365 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
367 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
370 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
372 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
375 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
377 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
379 * config/avr/avr.md (code_stdname): Add ior, xor.
380 (xior): New code iterator.
381 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
382 (*<code_stdname><mode>qi.byte1-3): Ditto.
384 2012-02-23 Jakub Jelinek <jakub@redhat.com>
386 PR tree-optimization/52019
387 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
390 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
392 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
393 HAVE_INITFINI_ARRAY to work around namespace pollution in
394 certain versions of newlib system headers.
395 * config.in: Regenerate.
396 * configure: Regenerate.
397 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
398 instead of HAVE_INITFINI_ARRAY.
400 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
403 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
404 is not offsettable memory reference.
406 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
409 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
410 setting avr_need_clear_bss_p for __gnu_lto* symbols.
412 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
414 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
415 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
417 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
419 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
420 library on Solaris 8 even without TLS support.
421 * configure: Regenerate.
423 2012-02-22 Richard Guenther <rguenther@suse.de>
426 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
427 for GIMPLE_DEBUG stmts.
429 2012-02-22 Martin Jambor <mjambor@suse.cz>
432 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
433 according to the base object.
435 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
437 PR rtl-optimization/50063
438 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
439 and 2 (8-bit SP) in operand 2.
440 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
441 setup to use movhi_sp_r instead of vanilla move to write SP.
442 Adjust REG_CFA notes to superseed unspec.
443 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
445 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
446 known to be off) only with TARGET_NO_INTERRUPTS. Never use
447 irq_state 1 (IRQ known to be on) here.
449 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
451 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
453 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
454 assign_hard_reg): Likewise.
456 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
458 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
460 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
463 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
464 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
466 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
468 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
469 prototype from here to...
470 * config/avr/avr.h: ...here.
472 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
475 * thumb2.md (thumb2_shiftsi3_short): Split register and
476 immediate shifts. For register shifts tie operands 0 and 1.
477 (peephole2 for above): Check that register-controlled shifts
478 have suitably tied operands.
480 2012-02-21 Quentin Neill <quentin.neill@amd.com>
483 * config/i386/bdver1.md (bdver1_call, bdver1_push,
484 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
485 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
486 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
487 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
488 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
489 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
490 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
491 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
492 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
493 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
494 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
495 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
496 bdver1_ssevector_avx256_unaligned_load,
497 bdver1_ssevector_sse128_unaligned_load,
498 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
499 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
500 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
501 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
502 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
503 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
504 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
505 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
506 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
507 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
508 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
509 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
510 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
511 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
512 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
513 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
514 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
515 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
516 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
517 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
518 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
519 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
520 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
521 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
522 bdver1_ssediv_double_load, bdver1_ssediv_double,
523 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
524 Add "bdver2" attribute.
526 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
528 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
529 default if possible and not specified otherwise.
531 2012-02-21 Richard Guenther <rguenther@suse.de>
534 * gimplify.c (create_tmp_from_val): Use the main variant type
535 for the type of the temporary we create.
537 2012-02-21 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/52324
540 * gimplify.c (gimplify_expr): When re-gimplifying expressions
541 do not gimplify a MEM_REF address operand if it is already
544 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
546 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
547 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
549 2012-02-21 Richard Guenther <rguenther@suse.de>
551 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
554 2012-02-21 Jakub Jelinek <jakub@redhat.com>
556 PR tree-optimization/52318
557 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
558 vdef also to non-pure/const call stmts in the sequence.
560 2012-02-20 David S. Miller <davem@davemloft.net>
562 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
563 don't use the "rd %pc" instruction on v9 for PIC register loads.
565 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
568 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
569 in a transaction safe function.
571 2012-02-20 Kai Tietz <ktietz@redhat.com>
574 * stor-layout.c (place_field): Handle desired_align for
577 2012-02-20 Richard Guenther <rguenther@suse.de>
579 PR tree-optimization/52298
580 * tree-vect-stmts.c (vectorizable_store): Properly use
581 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
583 (vectorizable_load): Likewise.
584 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
585 Access DR_STEP after ensuring it is not NULL.
587 2012-02-20 Jakub Jelinek <jakub@redhat.com>
589 PR tree-optimization/52286
590 * fold-const.c (fold_binary_loc): For (X & C1) | C2
591 optimization use double_int_to_tree instead of build_int_cst_wide,
592 rewrite to use double_int vars.
594 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
597 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
599 Remove -e 0 from $gcc_cv_ld invocation.
600 Only use __GLIBC_PREREQ if defined.
601 Enable on Solaris since Solaris 8 patch.
602 (gcc_SUN_LD_VERSION): New macro.
603 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
604 gcc_SUN_LD_VERSION for version number format.
605 * configure: Regenerate.
606 * varasm.c (get_elf_initfini_array_priority_section): Set
607 SECTION_NOTYPE for non-default priority.
608 Use get_section instead of get_unnamed_section to emit
609 .init_array/.fini_array with default priority.
611 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
613 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
614 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
615 (mips_start_unique_function, mips_output_mips16_rdhwr)
616 (mips_code_end): New functions.
617 (TARGET_ASM_CODE_END): Define.
619 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
621 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
622 to stubs with non-sibling calls.
624 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
626 * doc/invoke.texi (-fira-* options): Copy-edit.
627 (ira-* parameters): Copy-edit.
629 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
631 * doc/invoke.texi: Minor copy-edits to bring into conformance with
632 GCC coding conventions.
634 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
636 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
637 when used as adjectives.
639 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
641 * doc/invoke.texi: Clean up "that"/"which" confusion.
643 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
645 * system.h: Poison SMALL_REGISTER_CLASSES
646 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
647 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
649 2012-02-16 Jakub Jelinek <jakub@redhat.com>
651 PR tree-optimization/52285
652 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
653 when deciding if a call is a tail call or tail recursion.
655 2012-02-16 Kai Tietz <ktietz@redhat.com>
657 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
658 interger-constant displacement for UNSPEC_PCREL.
660 2012-02-16 Jakub Jelinek <jakub@redhat.com>
662 PR rtl-optimization/52208
663 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
664 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
666 PR tree-optimization/52255
667 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
668 loop->header has virtual PHI, but exit_e->dest doesn't, add
669 virtual PHI to exit_e->dest and adjust all uses after the loop.
672 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
673 children with clone_tree_hash, not after it.
675 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
677 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
678 extended identifiers.
680 2012-02-16 Jakub Jelinek <jakub@redhat.com>
683 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
684 a same_body_alias, also test whether e->callee isn't a former
685 or current clone of the decl this is a same body alias of.
688 * cgraphunit.c (verify_cgraph_node): Fix a typo.
690 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
692 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
694 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
697 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
698 force_reg instead of copy_to_reg for better optimization. Force
699 non-register or memory operands into a register.
701 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
703 * extend.texi: Reserve upper bits of memory model for future use.
705 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
706 Anatoly Sokolov <aesok@post.ru>
707 Eric Weddington <eric.weddington@atmel.com>
710 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
711 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
712 Rewrite initializers for .macro.
713 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
714 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
715 atxmega32d4, atxmega32x1.
716 avrxmega4: atxmega64a3, atxmega64d3.
717 avrxmega5: atxmega64a1, atxmega64a1u.
718 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
719 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
720 avrxmega7: atxmega128a1, atxmega128a1u.
721 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
722 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
723 (struct base_arch_s): Rename reserved to xmega_p.
724 Rename reserved2 to have_rampd.
725 (AVR_XMEGA): New define.
726 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
727 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
728 * config/avr/predicates.md (io_address_operand): Take into
730 (low_io_address_operand): Ditto.
731 (high_io_address_operand): Ditto.
732 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
733 (enabled, movhi_sp_r): Use them.
734 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
735 cpp_define_formatted to built-in define __AVR_ARCH__.
736 (__AVR_XMEGA__): New built-in define.
737 (__AVR_HAVE_RAMPD__): New built-in define.
738 (__AVR_HAVE_RAMPX__): New built-in define.
739 (__AVR_HAVE_RAMPY__): New built-in define.
740 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
742 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
743 (avr_option_override): Initialize them.
744 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
745 (avr_init_expanders): Initialize them. No more block several calls.
746 (emit_push_sfr): New static function.
747 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
749 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
750 (avr_print_operand): Print addreeses as symbols for
751 RAMPX, RAMPY, RAMPD, CCP.
752 (output_movhi): Handle AVR_XMEGA when writing to SP.
753 (avr_out_movhi_mr_r_xmega): New static function.
754 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
755 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
756 __RAMPD__, __CCP__ as needed.
758 * config/avr/multilib.h: Regenerate.
759 * config/avr/t-multilib: Regenerate.
760 * config/avr/avr-tables.opt: Regenerate.
762 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
764 PR tree-optimization/50561
765 * graphite-flattening.c (lst_project_loop): Do not
766 remove old scattering dimensions after flattening.
767 (lst_do_flatten): Likewise.
769 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
771 * doc/extend.texi (AVR Built-in Functions): Remove doc for
772 __builtin_avr_map8, __builtin_avr_map16.
773 Document __builtin_avr_insert_bits.
775 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
776 (insert_bits): New insn.
777 (adjust_len.map_bits): Rename to insert_bits.
778 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
779 * avr-protos.h (avr_out_map_bits): Remove.
780 (avr_out_insert_bits, avr_has_nibble_0xf): New.
781 * config/avr/constraints.md (Cxf,C0f): New.
782 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
783 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
784 New built-in define __BUILTIN_AVR_INSERT_BITS.
785 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
786 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
787 (avr_move_bits): Rewrite.
788 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
790 (avr_map_op_t): New typedef.
791 (avr_map_op): New static variable.
792 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
793 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
794 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
795 (bdesc_3arg, avr_expand_triop_builtin): New.
796 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
797 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
798 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
799 (avr_map_equal_p, avr_map_sig_p): Remove.
800 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
801 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
802 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
803 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
804 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
805 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
807 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
809 * config/c6x/c6x.md (reserve_cycles): New attribute.
810 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
811 don't reserve functional units after the branch occurs.
813 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
816 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
817 functions into non-tm_pure functions.
819 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
822 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
823 (iterative_hash_canonical_type): Likewise.
824 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
827 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
829 * haifa-sched.c (prune_ready_list): Ensure that if there is a
830 sched-group insn, it either remains alone or the entire list is pruned.
832 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
834 * doc/install.texi (Prerequisites): Fix grammar.
835 (Configuration): Likewise.
837 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
839 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
840 MPC as part of GCC before describing configuring with --with-gmp etc.
841 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
844 2012-02-14 Jakub Jelinek <jakub@redhat.com>
847 * dwarf2out.c (clone_tree_hash): New function.
848 (copy_decls_walk): Use it instead of clone_tree.
850 2012-02-14 Richard Guenther <rguenther@suse.de>
852 PR tree-optimization/52244
853 PR tree-optimization/51528
854 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
855 replacements for integral types.
857 2012-02-14 Walter Lee <walt@tilera.com>
859 * config.gcc: Handle tilegx and tilepro.
860 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
862 Add HAVE_AS_TLS check for tilegx and tilepro.
863 * configure: Regenerate.
864 * doc/contrib.texi: Add Mat Hostetter and self.
865 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
866 Document instruction intrinsics and network accessing intrinsics.
867 (TILEPro Built-in Functions): New node. Document instruction
868 intrinsics and network accessing intrinsics.
869 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
870 (Specific, tilepro-*-linux*): Likewise.
871 * doc/invoke.texi (TILE-Gx Options): New section.
872 (TILEPro Options): New section.
873 * doc/md.texi (TILE-Gx): New section.
874 (TILEPro): New section.
875 * common/config/tilegx/tilegx-common.c: New file.
876 * common/config/tilepro/tilepro-common.c: New file.
877 * config/tilegx/constraints.md: New file.
878 * config/tilegx/linux.h: New file.
879 * config/tilegx/mul-tables.c: New file.
880 * config/tilegx/predicates.md: New file.
881 * config/tilegx/sync.md: New file.
882 * config/tilegx/t-tilegx: New file.
883 * config/tilegx/tilegx-builtins.h: New file.
884 * config/tilegx/tilegx-c.c: New file.
885 * config/tilegx/tilegx-generic.md: New file.
886 * config/tilegx/tilegx-modes.def: New file.
887 * config/tilegx/tilegx-multiply.h: New file.
888 * config/tilegx/tilegx-protos.h: New file.
889 * config/tilegx/tilegx.c: New file.
890 * config/tilegx/tilegx.h: New file.
891 * config/tilegx/tilegx.md: New file.
892 * config/tilegx/tilegx.opt: New file.
893 * config/tilepro/constraints.md: New file.
894 * config/tilepro/gen-mul-tables.cc: New file.
895 * config/tilepro/linux.h: New file.
896 * config/tilepro/mul-tables.c: New file.
897 * config/tilepro/predicates.md: New file.
898 * config/tilepro/t-tilepro: New file.
899 * config/tilepro/tilepro-builtins.h: New file.
900 * config/tilepro/tilepro-c.c: New file.
901 * config/tilepro/tilepro-generic.md: New file.
902 * config/tilepro/tilepro-modes.def: New file.
903 * config/tilepro/tilepro-multiply.h: New file.
904 * config/tilepro/tilepro-protos.h: New file.
905 * config/tilepro/tilepro.c: New file.
906 * config/tilepro/tilepro.h: New file.
907 * config/tilepro/tilepro.md: New file.
908 * config/tilepro/tilepro.opt: New file.
910 2012-02-14 Jakub Jelinek <jakub@redhat.com>
912 PR tree-optimization/52210
913 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
914 vect_model_simple_cost with two entry vect_def_type array instead
917 2012-02-14 Richard Guenther <rguenther@suse.de>
920 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
921 Do not stream DECL_QUALIFIER.
922 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
923 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
924 (find_decls_types_r): Do not walk DECL_QUALIFIER.
926 2012-02-14 Jakub Jelinek <jakub@redhat.com>
929 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
932 2012-02-13 Jakub Jelinek <jakub@redhat.com>
935 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
936 * cselib.c (cselib_subst_to_values_from_insn): New function.
937 * sched-deps.c (add_insn_mem_dependence,
938 sched_analyze_1, sched_analyze_2): Use it.
940 2012-02-13 Jan Hubicka <jh@suse.cz>
943 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
945 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
947 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
948 (GTM_SELF_SPECS): Define if not already defined.
949 (driver_self_specs): Add GTM_SELF_SPECS.
950 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
951 (GTM_SELF_SPECS): Define.
952 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
953 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
955 2012-02-13 Jakub Jelinek <jakub@redhat.com>
957 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
960 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
963 * omp-low.c (expand_omp_for): If a static schedule without chunk size
964 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
966 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
969 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
971 2012-02-13 Richard Guenther <rguenther@suse.de>
974 * passes.c (enable_disable_pass): Fix typo.
976 2012-02-13 Jakub Jelinek <jakub@redhat.com>
979 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
980 XOR for reduce_bit_field if type is unsigned.
982 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
984 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
985 disallow changes from SFmode to mode with different size in FP regs.
987 2012-02-12 Robert Millan <rmh@gnu.org>
988 Gerald Pfeifer <gerald@pfeifer.com>
990 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
993 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
995 PR rtl-optimization/52175
996 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
997 to frame-related instructions.
999 2012-02-10 Jason Merrill <jason@redhat.com>
1002 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1003 (demangle_new_symbols): Fill it.
1004 (scan_linker_output): Walk it.
1005 (start_tweaking): Split out from scan_linker_output.
1006 (maybe_tweak): Update sym->chosen.
1007 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1009 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1012 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1014 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1016 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1017 having the same mode as previous compare.
1019 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1021 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1022 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1023 (nonlocal_goto_internal): Likewise.
1024 (nonlocal_goto): Emit a use and an indirect jump directly.
1026 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1029 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1030 __atomic_{is,always}_lock_free.
1032 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1035 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1036 negative constant address for x32.
1038 2012-02-10 Richard Henderson <rth@redhat.com>
1040 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1041 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1042 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1044 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1045 Ira Rosen <irar@il.ibm.com>
1047 PR tree-optimization/50031
1048 * targhooks.c (default_builtin_vectorization_cost): Handle
1050 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1051 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1052 all types of reduction and pattern statements.
1053 (vect_estimate_min_profitable_iters): Likewise.
1054 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1055 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1056 for explicit realigns.
1057 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1058 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1060 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1061 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1062 vec_perm for VSX and handle vec_promote_demote.
1064 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1067 * builtins.c (fold_builtin_atomic_always_lock_free,
1068 expand_builtin_atomic_always_lock_free,
1069 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1070 Return and/or test boolean_true_node/boolean_false_node instead of
1071 integer_one_node/integer_zero_node.
1073 2012-02-10 Jan Hubicka <jh@suse.cz>
1076 * predict.c (predict_paths_for_bb): Prevent looping.
1077 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1079 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1081 * config/arm/arm.c (output_move_double): In one case properly
1082 count number of instructions that will be emitted.
1084 2012-02-10 Richard Guenther <rguenther@suse.de>
1086 PR translation/52193
1087 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1089 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1092 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1094 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1097 * var-tracking.c (emit_note_insn_var_location): If
1098 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1099 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1100 non-NOTE_DURING_CALL_P insn.
1102 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1105 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1107 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1110 * gcc.c (switch_matches) Support switches with separated form,
1113 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1115 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1117 (RAMPZ_ADDR): Ditto.
1118 * config/avr/avr.c (avr_addr_t): New typedef.
1119 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1120 (avr_init_expanders): Initialize it.
1121 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1123 (expand_epilogue): Ditto.
1124 (avr_print_operand): Ditto.
1125 (avr_file_start): Ditto.
1126 (avr_emit_movmemhi): Ditto.
1128 2012-02-08 Richard Guenther <rguenther@suse.de>
1130 PR tree-optimization/46886
1131 * tree-flow.h (do_while_loop_p): Declare.
1132 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1133 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1135 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1137 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1138 always succeed for integers larger than a native word.
1140 2012-02-08 Richard Guenther <rguenther@suse.de>
1142 PR rtl-optimization/52170
1143 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1144 properly handle integer vector modes.
1146 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1148 PR gcov-profile/52150
1149 * coverage.c: Include target.h.
1150 (build_var): Call targetm.strip_name_encoding on the assembler name.
1151 Change one _ into . or $ if the target allows it.
1152 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1154 PR rtl-optimization/52139
1155 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1156 is a BARRIER after emit_insn_after_noloc, move BB_END
1157 to the last non-BARRIER insn before it.
1159 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1162 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1163 (mips_gimplify_va_arg_expr): Call it instead of
1164 std_gimplify_va_arg_expr.
1166 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1168 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1169 message for -mno-pointers-to-nested-function.
1171 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1174 * expr.c (get_inner_reference): If there is an offset, add a negative
1175 bit position to it (if any).
1177 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1179 PR rtl-optimization/52060
1180 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1181 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1182 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1183 and/or i0src_copy2 when needed.
1185 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1187 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1188 or LTOPLUGINSONAME if have_c.
1190 * config/freebsd-spec.h: Add comment about what macros can be defined
1192 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1193 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1196 2012-02-07 Richard Guenther <rguenther@suse.de>
1198 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1199 newline in -alias dumps.
1201 2012-02-07 Kai Tietz <ktietz@redhat.com>
1202 Dave Korn <dave.korn.cygwin@gmail.com>
1205 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1206 Take care that typinfo gets dllexport-attribute.
1208 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1211 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1212 if modifier < EXPAND_SUM call force_operand on the result.
1214 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1216 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1217 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1219 (epiphany_function_type): Replace types for specific interrupts with
1220 EPIPHANY_FUNCTION_INTERRUPT.
1221 (EPIPHANY_INTERRUPT_P): Update.
1222 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1223 New static function.
1224 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1225 <disinterrupt>: Affects type identity.
1226 (epiphany_handle_interrupt_attribute): Handle variable number of
1228 (epiphany_compute_function_type): Update for new
1229 epiphany_function_type definition.
1230 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1231 handlers with a longcall forwarder.
1232 (epiphany_start_function): Handle multiple interrupt arguments and/or
1233 forwarder_section attribute.
1235 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1238 2012-02-07 Alan Modra <amodra@gmail.com>
1241 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1244 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1246 PR tree-optimization/50969
1247 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1248 use vec_perm rather than vector_stmt.
1249 (vect_model_load_cost): Likewise.
1250 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1251 vec_perm to be the same as other vector statements.
1252 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1253 cost of vec_perm for TARGET_VSX.
1255 2012-02-06 Richard Guenther <rguenther@suse.de>
1257 PR tree-optimization/52115
1258 * tree-sra.c (access_has_replacements_p): New function.
1259 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1261 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1264 * trans-mem.c (expand_call_tm): Add an assertion.
1265 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1268 2012-02-06 Richard Guenther <rguenther@suse.de>
1270 PR tree-optimization/50955
1271 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1272 raise cost of expressions that replace an address with an
1273 expression based on a different pointer.
1275 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1278 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1279 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1281 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1284 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1285 -Weffc++ and specify guidelines come from second edition.
1287 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1289 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1290 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1291 (call_direct_split, call_value_split, call_value_internal_direct)
1292 (call_value_direct_split, call_value_multiple_split): Use jal and
1293 jal_macro attributes.
1295 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1297 * reload1.c (reload_regs_reach_end_p): Replace with...
1298 (reload_reg_rtx_reaches_end_p): ...this function.
1299 (new_spill_reg_store): Update commentary.
1300 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1301 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1302 before setting new_spill_reg_store.
1303 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1304 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1305 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1306 for non-spill reload registers.
1308 2012-02-05 Ira Rosen <irar@il.ibm.com>
1310 PR tree-optimization/52091
1311 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1312 (vect_is_simple_use_1): Likewise.
1313 * tree-vect-loop.c (vectorizable_reduction): Update calls
1314 to vect_is_simple_use_1 and vect_is_simple_use.
1315 (vectorizable_live_operation): Likewise.
1316 * tree-vect-patterns.c (widened_name_p,
1317 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1318 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1319 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1320 vectorizable_shift,vectorizable_operation, vectorizable_store,
1321 vectorizable_load): Likewise.
1322 (vect_is_simple_cond): Add an argument, pass it to
1323 vect_is_simple_use_1.
1324 (vectorizable_condition): Update calls to vect_is_simple_cond,
1326 (vect_is_simple_use): Add an argument, the statement in which
1327 OPERAND is used. Check that if OPERAND's def stmt is a double
1328 reduction phi node, the use is a phi node too.
1329 (vect_is_simple_use_1): Add an argument, pass it to
1331 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1332 to vect_is_simple_use.
1334 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1336 PR rtl-optimization/52095
1337 * modulo-sched.c (dump_insn_locator): New function.
1338 (loop_canon_p, sms_schedule): Use it.
1340 PR rtl-optimization/52113
1341 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1342 even for decomposable shift/zext insns.
1344 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1345 Zdenek Dvorak <ook@ucw.cz>
1347 PR rtl-optimization/52092
1348 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1349 on get_iv_value result.
1351 2012-02-02 Andrew Pinski <apinski@cavium.com>
1355 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1357 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1360 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1362 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1364 PR rtl-optimization/49800
1365 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1366 (sched_finish): Call regstat_free_n_sets_and_refs.
1368 2012-02-02 Jia Liu <proljc@gmail.com>
1370 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1373 2012-02-02 Jan Hubicka <jh@suse.cz>
1374 Tom de Vries <tom@codesourcery.com>
1377 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1378 * varpool.c (varpool_analyze_pending_decls): Likewise.
1380 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1381 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1383 * config.gcc: Add cr16-* support.
1385 * doc/extend.texi: Document cr16 extensions.
1386 * doc/install.texi: Document cr16 install.
1387 * doc/invoke.texi: Document cr16 options.
1388 * doc/md.texi: Document cr16 constraints.
1390 * common/config/cr16/cr16-common.c: New file.
1391 * config/cr16/cr16.c: New file.
1392 * config/cr16/cr16.h: New file.
1393 * config/cr16/cr16.md: New file.
1394 * config/cr16/cr16.opt: New file.
1395 * config/cr16/cr16-protos.h: New file.
1396 * config/cr16/predicates.md: New file.
1397 * config/cr16/constraints.md: New file.
1398 * config/cr16/t-cr16: New file.
1400 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1403 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1404 that operands[2] is either immediate, or q_regs_operand.
1406 PR tree-optimization/52073
1407 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1408 a pattern stmt for pattern uses, ignore uses outside of the loop.
1410 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1412 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1413 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1414 (OUT_AS1, OUT_AS2): Remove.
1416 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1418 PR rtl-optimization/51374
1419 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1420 to cross other volatile_refs_p insns.
1422 2012-02-01 Richard Guenther <rguenther@suse.de>
1424 * doc/invoke.texi (fno-inline): Clarify documentation.
1425 (finline-small-functions): Likewise.
1426 (finline-functions): Likewise.
1427 * common.opt (finline): Adjust comment and documentation.
1428 (finline-small-functions): Clarify documentation.
1429 (finline-functions): Likewise.
1430 (finline-functions-called-once): Likewise.
1432 2012-02-01 Tristan Gingold <gingold@adacore.com>
1434 * c-typeck.c (composite_type): Keep mode for pointers.
1436 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1438 * function.h (regno_reg_rtx): Adjust comment.
1439 * reginfo.c (init_reg_modes_target): Only use the previous mode
1440 if it fits within one register. Remove MIPS comment.
1442 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1445 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1447 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1449 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1450 to srak instruction.
1452 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1454 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1456 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1461 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1463 2012-01-31 Richard Guenther <rguenther@suse.de>
1465 PR tree-optimization/51528
1466 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1469 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1474 * ree.c (add_removable_extension): Change def_map argument
1475 to unsigned *, store in def_map 1 + offset into *insn_list vector
1476 instead of pointers into the vector.
1477 (find_removable_extensions): Adjust caller.
1479 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1481 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1482 Transform all "* quoted-c-code" to { c-code }.
1483 Remove redundant test for "optimize" in combine patterns.
1484 Move (include "avr-dimode.md") to end of file.
1486 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1489 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1490 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1492 2012-01-30 Richard Guenther <rguenther@suse.de>
1494 PR tree-optimization/52028
1495 * tree-loop-distribution.c (ldist_gen): Properly update
1498 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1501 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1502 set_cur_line_info_table if not emitting debug info.
1504 PR tree-optimization/52046
1505 * tree-vect-patterns.c (check_bool_pattern): Give up if
1506 a comparison could throw.
1509 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1511 2012-01-30 Richard Guenther <rguenther@suse.de>
1513 PR tree-optimization/52045
1514 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1515 SSA form if cfgcleanup did anything.
1517 2012-01-30 Richard Guenther <rguenther@suse.de>
1519 PR tree-optimization/52045
1520 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1521 before computing final todo.
1523 2012-01-30 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/51528
1526 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1529 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1531 * df-problems.c (df_kill_notes): Check that the use refers
1532 to the note under examination.
1534 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1537 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1538 parameter and use short-lived pseudos.
1539 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1540 (sparc_expand_vector_init): Const-ify local variables and adjust
1541 calls to above functions.
1543 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1545 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1547 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1549 * doc/invoke.texi: Make usage of "compile time" and
1550 "run time"/"runtime" consistent throughout the file.
1552 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1554 * config/alpha/alpha.c (alpha_option_override): Default to
1555 full IEEE compliance mode for Go language.
1557 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1559 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1560 (LINK_SSP_SPEC): Define.
1562 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1565 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1568 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1570 * doc/invoke.texi: Correct hyphenation of "floating point",
1571 "double precision", and related terminology throughout the file.
1573 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1576 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1577 arm_general_register_operand predicate for operand 2 instead of
1580 2012-01-27 Ian Lance Taylor <iant@google.com>
1583 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1584 * builtins.c (expand_builtin_init_trampoline): Add onstack
1585 parameter. Change caller.
1586 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1587 * tree.c (build_common_builtin_nodes): Declare
1588 __builtin_init_heap_trampoline.
1590 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1592 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1593 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1594 * config/avr/avr.c: Ditto.
1595 (avr_regnames): Remove because unused.
1596 * config/avr/avr.md (*cpse.ne): New peephole.
1597 (*cpse.eq): New peephole from former cpse peepholes.
1599 2012-01-27 Michael Eager <eager@eagercon.com>
1601 * config/microblaze.c (microblaze_emit_compare): Correct
1602 test after pcmp instruction.
1604 2012-01-27 Richard Guenther <rguenther@suse.de>
1606 PR tree-optimization/52020
1607 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1609 2012-01-27 Richard Guenther <rguenther@suse.de>
1611 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1612 function non-const/pure.
1614 2012-01-27 Richard Guenther <rguenther@suse.de>
1616 PR tree-optimization/50444
1617 * tree-sra.c (build_ref_for_offset): Properly adjust the
1618 MEM_REF type for unaligned accesses.
1620 2012-01-27 Richard Guenther <rguenther@suse.de>
1622 PR tree-optimization/50444
1623 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1624 (expand_assignment): Use it. Properly handle misaligned
1625 bases when expanding stores to component references.
1626 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1629 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1632 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1633 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1634 * tree-data-ref.c (find_data_references_in_loop): Make static.
1635 (compute_all_dependences): Change return type to bool. Bail out
1636 for too many datarefs in a loop. Move the hunk resetting the data
1637 dependences vector from ...
1638 (compute_data_dependences_for_loop): ... here. Account for
1639 compute_all_dependences returning false.
1640 (compute_data_dependences_for_bb): Likewise.
1641 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1642 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1644 2012-01-27 Richard Guenther <rguenther@suse.de>
1647 * expr.c (store_field): Use the alias-set of the scratch memory
1650 2012-01-27 Tom de Vries <tom@codesourcery.com>
1652 PR tree-optimization/51990
1653 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1655 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1657 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1660 * var-tracking.c (reverse_op): Don't add any reverse operation
1661 if V already has any constant locations.
1663 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1665 * doc/invoke.texi: Correct usage of "command line" (noun)
1666 vs "command-line" (adjective) throughout.
1668 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1670 * doc/invoke.texi (Language Independent Options): Move
1671 -Wcoverage-mismatch blurb from here....
1672 (Warning Options): ...to here.
1674 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1676 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1677 Set rs6000_always_hint to false for 476.
1679 2012-01-27 Matthias Klose <doko@ubuntu.com>
1681 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1683 * incpath.c (add_standard_paths): Likewise.
1685 2012-01-27 Richard Henderson <rth@redhat.com>
1687 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1688 * config/m68k/sync.md (atomic_test_and_set): Rename from
1689 sync_test_and_setqi and adjust the operands.
1690 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1691 and unconditionally enable.
1693 2012-01-27 Richard Henderson <rth@redhat.com>
1695 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1696 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1697 (ldstub): Rename from ldstubqi.
1698 (ldstub<I24MODE>): Remove.
1700 2012-01-27 Richard Henderson <rth@redhat.com>
1702 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1703 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1704 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1705 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1706 * doc/tm.texi: Rebuild.
1708 2012-01-27 Richard Henderson <rth@redhat.com>
1710 * optabs.c (gen_atomic_test_and_set): Remove default.
1711 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1713 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1715 PR rtl-optimization/51978
1716 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1717 (combine_reaching_defs): Likewise.
1718 (struct re_info): Remove.
1719 (add_removable_extension): Remove x and data arguments,
1720 add insn, insn_list and def_map. Use the arguments directly
1721 instead of using struct re_info.
1722 (find_removable_extensions): Don't call add_removable_extension
1723 through note_stores, instead just call it with single_set
1725 (find_and_remove_re): Pass curr_cand->expr instead of
1726 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1728 2012-01-26 Michael Matz <matz@suse.de>
1730 PR tree-optimization/46590
1731 * cfgexpand.c: Revert last change (r183305).
1732 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1734 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1735 checking for emptiness.
1737 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1740 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1741 non-addressable non-BLKmode base correctly.
1743 2012-01-26 Michael Matz <matz@suse.de>
1745 PR tree-optimization/48794
1746 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1747 regions referenced from RESX/EH_DISPATCH.
1749 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1751 * config/s390/s390.h: Make BRANCH_COST an option.
1752 * config/s390/s390.opt: New option -mbranch-cost.
1754 2012-01-26 Richard Henderson <rth@redhat.com>
1756 Revert 2012-01-24 change:
1757 * trans-mem.c (requires_barrier): Do not instrument thread local
1758 variables and emit save/restore for them.
1760 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1763 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1766 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1768 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1771 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1774 Rename __pgm to __flash.
1775 Rename __pgm1 to __flash1.
1776 Rename __pgm2 to __flash2.
1777 Rename __pgm3 to __flash3.
1778 Rename __pgm4 to __flash4.
1779 Rename __pgm5 to __flash5.
1780 Rename __pgmx to __memx.
1781 * doc/extend.texi (AVR Named Address Spaces)
1782 Rename address space names as indicated above.
1783 * config/avr/avr.c (avr_addrspace): Ditto.
1785 * config/avr/avr-protos.h
1786 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1787 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1788 * config/avr/predicates.md: Ditto.
1789 * config/avr/avr.c Ditto, and
1790 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1791 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1793 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1794 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1795 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1796 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1797 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1798 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1799 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1800 * config/avr/avr.c: Ditto.
1801 * config/avr/avr.md: Ditto.
1803 2012-01-25 Jason Merrill <jason@redhat.com>
1806 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1808 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1810 PR tree-optimization/51987
1811 * tree-data-ref.c (get_references_in_stmt): Handle references in
1812 non-volatile GIMPLE_ASM.
1814 2012-01-25 Richard Guenther <rguenther@suse.de>
1816 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1817 bases are dereferenced.
1819 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1821 PR rtl-optimization/48374
1822 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1824 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1826 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1827 compute_data_dependences_for_loop returns false.
1828 * tree-parloops.c (loop_parallel_p): Likewise.
1830 2012-01-25 Richard Guenther <rguenther@suse.de>
1832 * tree.h (get_pointer_alignment_1): Declare.
1833 * builtins.c (get_pointer_alignment_1): New function.
1834 (get_pointer_alignment): Use it.
1836 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1838 PR rtl-optimization/48308
1839 * combine.c (enum undo_kind): Add UNDO_LINKS.
1840 (struct undo): Add member l to other_contents and where.
1841 (do_SUBST_LINK): New.
1843 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1844 (undo_all): Handle UNDO_LINKS.
1846 2012-01-25 Richard Henderson <rth@redhat.com>
1848 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1851 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1853 * optabs.c (gen_atomic_test_and_set): Use each argument.
1855 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1857 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1858 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1859 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1860 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1861 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1862 TARGET_PAIRED_SINGLE_FLOAT.
1864 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1866 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1867 (in_struct, return_val): Remove MEM documentation.
1868 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1869 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1870 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1872 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1873 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1874 * expr.c (store_field): Likewise.
1875 * function.c (assign_stack_temp_for_type): Likewise.
1876 * ifcvt.c (noce_try_cmove_arith): Likewise.
1877 * reload1.c (reload): Likewise.
1878 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1879 (alpha_set_memflags): Likewise.
1880 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1882 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1884 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1886 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1887 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1888 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1890 * cselib.c (cselib_rtx_varies_p): Delete.
1891 (cselib_invalidate_mem): Update call to canon_true_dependence.
1892 * dse.c (record_store, check_mem_read_rtx): Likewise.
1893 (scan_reads_nospill): Likewise.
1894 * cse.c (check_dependence): Likewise.
1895 (cse_rtx_varies_p): Delete.
1896 * expr.c (safe_from_p): Update call to true_dependence.
1897 * ira.c (validate_equiv_mem_from_store): Likewise.
1898 (memref_referenced_p): Likewise.
1899 * postreload-gcse.c (find_mem_conflicts): Likewise.
1900 * sched-deps.c (sched_analyze_2): Likewise.
1901 * store-motion.c (load_kills_store): Likewise.
1902 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1903 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1904 (compute_transp): Update call to canon_true_dependence.
1906 2012-01-25 Richard Henderson <rth@redhat.com>
1908 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1909 (maybe_emit_atomic_test_and_set): New.
1910 (expand_sync_lock_test_and_set): Use it.
1911 (expand_atomic_test_and_set): Likewise.
1912 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1913 the implementation; clarify implementation defined details.
1914 * doc/md.texi (atomic_test_and_set): Document.
1916 2012-01-25 Richard Henderson <rth@redhat.com>
1918 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1920 2012-01-25 Richard Henderson <rth@redhat.com>
1923 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1924 to effect no-op split.
1926 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1929 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1930 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1931 (BT_FN_VOID_PTR_INT_SIZE): New.
1932 (BT_FN_UINT_UINT_VAR): Remove.
1933 (BT_FN_UINT32_UINT32_VAR): New.
1934 (BT_FN_DOUBLE_VPTR): Remove.
1935 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1937 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1938 (_ITM_changeTransactionMode): Same.
1939 (_ITM_memmoveRtWt): Change return type to void.
1940 (_ITM_memcpyRtWt): Same.
1941 (_ITM_memsetW): Same.
1942 (_ITM_RaRD): Change types to double.
1947 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1949 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1950 Patrick Marlier <patrick.marlier@gmail.com>
1952 * trans-mem.c (requires_barrier): Do not instrument thread local
1953 variables and emit save/restore for them.
1955 2012-01-24 Jason Merrill <jason@redhat.com>
1958 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1959 output static aliases.
1961 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1964 * common.opt (-pie, -shared, pie, shared): Change from Common to
1966 * gcc.c (display_help): Display help for -pie and -shared.
1968 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1971 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1972 Remove note on size/offset limitation.
1973 (AVR Variable Attributes): Add example how to read data located
1974 with progmem. Refer to named address spaces.
1975 * doc/invoke.texi (AVR Options): Fix typo.
1977 2012-01-24 Richard Guenther <rguenther@suse.de>
1979 Forward-port to trunk
1980 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1983 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1984 op0 isn't sufficiently aligned and there is movmisalignM
1985 insn for mode, use it to load op0 into a temporary register.
1987 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1990 * target.def (const_not_ok_for_debug_p): New hook.
1991 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1993 * doc/tm.texi: Regenerated.
1994 * dwarf2out.c (const_ok_for_output_1): If
1995 targetm.const_not_ok_for_debug_p returns true, fail.
1996 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1998 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2000 2012-01-23 Kai Tietz <ktietz@redhat.com>
2003 * config/i386/predicates.md (symbolic_operand): Allow
2004 UNSPEC_PCREL as PIC expression for lea.
2005 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2006 * config/i386/i386.c (ix86_delegitimize_address): Handle
2007 UNSPEC_PCREL for none-MEM, too.
2009 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2011 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2012 (ipa_tm_create_version_alias): Same.
2014 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2017 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2018 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2020 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2021 Patrick Marlier <patrick.marlier@gmail.com>
2022 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2025 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2026 simple_object_start_read.
2028 2012-01-23 Richard Guenther <rguenther@suse.de>
2031 PR tree-optimization/51895
2032 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2033 parameter decomposition into BLKmode components.
2035 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2037 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2038 fake variables for restrict-qualified pointers whose pointed-to type
2039 contains a placeholder.
2041 2012-01-23 Richard Guenther <rguenther@suse.de>
2043 PR tree-optimization/51949
2044 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2046 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2048 PR rtl-optimization/51933
2049 * ree.c (transform_ifelse): Return true right away if dstreg is
2050 already wider or equal to cand->mode.
2051 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2052 (make_defs_and_copies_lists): Remove defs_list and copies_list
2053 arguments, add state argument, just truncate state->work_list
2054 instead of always allocating and freeing the vector. Assert that
2055 get_defs succeeds instead of returning 2. Changed return type to bool.
2056 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2057 have ext_src_mode, see if it has been modified already with the
2058 right kind of extension and has been extended before from the
2059 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2060 just return true. Remember the original mode in state->modified array.
2061 (combine_reaching_defs): Add state argument. Don't allocate and
2062 free here def_list, copied_list and vec vectors, instead just
2063 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2064 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2065 Add state variable, clear vectors in it, initialize state.modified
2066 if needed. Free all the vectors at the end and state.modified too.
2067 Don't skip a candidate if the extension expression has been modified.
2069 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2072 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2073 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2074 (extra_options) interix.opt -> i386/interix.opt"
2075 (extra_objs):Add winnt-stubs.o
2076 * configure.ac: Add interix to target_os .comm on PE check.
2077 * configure: Regenerate.
2078 * config/interix3.h: Delete and move bits to..
2079 * config/interix.h: Delete and move bits to..
2080 * config/i386/i386-interix3.h: Delete and move bits to..
2081 * config/i386/i386-interix.h: ..here.
2082 (TARGET_CPU_DEFAULT): Remove redefinition.
2083 (TARGET_ASM_CONSTRUCTOR): Undefine.
2084 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2085 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2086 (PTRDIFF_TYPE): Define.
2087 (LONG_DOUBLE_TYPE_SIZE): Define.
2088 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2089 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2090 (TARGET_SECTION_TYPE_FLAGS): Define.
2091 (ASM_DECLARE_FUNCTION_NAME): Define.
2092 (ASM_OUTPUT_EXTERNAL): Define.
2093 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2094 (ASM_OUTPUT_ALIGNED_BSS): Define.
2095 (PCC_BITFIELD_TYPE_MATTERS): Define.
2096 (USE_CONST_SECTION): Define.
2097 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2098 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2099 (SUPPORTS_ONE_ONLY): Remove.
2100 (I386_PE_STRIP_ENCODING): Define.
2101 * config/interix.opt: Delete and move bits to..
2102 * config/i386/interix.opt: ..here. New.
2103 (mpe-aligned-commons): Add.
2104 * config/i386/t-interix: Add copyright header.
2105 (winnt-stubs.o): Add rule.
2107 2012-01-22 Jason Merrill <jason@redhat.com>
2110 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2111 for extra name aliases.
2113 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2115 PR rtl-optimization/51924
2116 * ree.c (combine_set_extension): Improve debugging message.
2117 (combine_reaching_defs): Likewise.
2118 (get_defs): Rename confusingly named variable.
2119 (find_and_remove_re): Skip a candidate if the extension expression has
2122 2012-01-21 Robert Millan <rmh@gnu.org>
2123 Gerald Pfeifer <gerald@pfeifer.com>
2125 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2126 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2128 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2130 PR tree-optimization/51914
2131 * tree-vect-stmts.c (vectorizable_conversion): For
2132 cvt_type && modifier == WIDEN, put temporary with cvt_type
2133 at the beginning of vec_dsts and set vec_dest to temporary
2136 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2138 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2140 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2142 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2143 * config/rs6000/rs6000.c: Likewise.
2145 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2148 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2149 output_move_double on a copy of operands array.
2151 2012-01-20 Cary Coutant <ccoutant@google.com>
2152 Dodji Seketeli <dodji@redhat.com>
2155 * dwarf2out.c (copy_declaration_context): Return ref to parent
2156 of declaration DIE, if necessary.
2157 (remove_child_or_replace_with_skeleton): Add new parameter; update
2158 caller. Place skeleton DIE under parent DIE of original declaration.
2159 Move call to copy_declaration_context to here ...
2160 (break_out_comdat_types): ... from here.
2162 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2164 PR rtl-optimization/51856
2165 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2168 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2171 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2172 hints for neon loads and stores.
2174 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2178 * doc/extend.texi (Named Address Spaces): Split into subsections.
2179 (AVR Named Address Spaces): New subsection.
2180 (M32C Named Address Spaces): New subsection.
2181 (RL78 Named Address Spaces): New subsection.
2182 (SPU Named Address Spaces): New subsection.
2183 (Variable Attributes): New anchor "AVR Variable Attributes".
2184 (AVR Variable Attributes): Rewrite and avoid wording
2185 "address space" in this context.
2186 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2187 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2188 (AVR Built-in Macros): New subsubsection therein.
2189 * doc/md.texi (AVR constraints): Remove "C04", "R".
2191 2012-01-20 Richard Guenther <rguenther@suse.de>
2193 PR tree-optimization/51903
2194 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2195 when removing stmts.
2197 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2200 * config/arm/arm.c (arm_load_pic_register): Use
2201 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2202 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2203 (arm_pic_static_addr): Likewise.
2204 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2205 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2206 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2207 (pic_load_addr_unified): New.
2209 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2212 * function.c (instantiate_virtual_regs_in_insn): Use
2213 delete_insn_and_edges when removing a wrong asm insn.
2215 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2217 PR rtl-optimization/40761
2218 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2219 Add new member loop_num.
2220 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2221 (ira_build): Remove the parameter.
2223 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2224 (ira.c): Do not build CFG loops for one region allocation. Remove
2225 argument from ira_build call.
2227 * ira-build.c (init_loop_tree_node): New function.
2228 (create_loop_tree_nodes): Use it. Separate the case when CFG
2229 loops are not built.
2230 (more_one_region_p): Check current_loops.
2231 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2233 (add_loop_to_tree): Process loop equal to NULL too.
2234 (form_loop_tree): Separate the case when CFG loops are not built.
2235 Use explicitly number for the root.
2236 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2238 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2239 instead of loop->num.
2240 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2241 (mark_all_loops_for_removal): Ditto.
2242 (remove_unnecessary_regions): Separate the case when CFG loops
2244 (ira_build): Remove the parameter. Use explicit number of regions
2245 when CFG loops are not built.
2247 * ira-color.c (print_loop_title): Separate the case for the root node.
2248 Use loop_num instead of loop->num.
2249 (move_spill_restore): Use loop_num instead of loop->num.
2251 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2252 (change_loop): Ditto.
2253 (change_loop): Use loop_num instead of loop->num.
2255 * ira-lives.c (process_bb_node_lives): Ditto.
2257 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2259 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2261 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2264 * tree-mudflap.c (mf_artificial): New function.
2265 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2266 mx_register_decls, mudflap_enqueue_decl): Use it.
2269 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2270 numbers in the insn pattern.
2272 2012-01-19 Michael Matz <matz@suse.de>
2274 PR tree-optimization/46590
2275 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2276 use it in remembering which conflicts we already created.
2277 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2280 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2283 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2284 (merge_and_complain): Same.
2286 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2289 * config/initfini-array.h: Guard content of the header
2290 with #ifdef HAVE_INITFINI_ARRAY.
2291 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2292 Add initfini-array.h to tm_file here.
2293 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2294 * config.gcc: Don't add initfini-array.h to tm_file here.
2295 * configure: Regenerated.
2297 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2299 PR rtl-optimization/51505
2300 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2301 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2302 (df_note_bb_compute): Update the call to df_kill_notes.
2304 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2306 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2308 2012-01-18 Richard Guenther <rguenther@suse.de>
2310 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2311 of conversions to void *.
2313 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2314 Richard Sandiford <rdsandiford@googlemail.com>
2318 * optabs.h (simplify_expand_binop): Declare.
2319 * optabs.c (simplify_expand_binop): Make global.
2320 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2321 endian targets if the source cannot be exactly covered by word
2324 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2327 * hard-reg-set.h (struct hard_reg_set_container): New type.
2328 * target.h (struct hard_reg_set_container): Forward declare.
2329 * target.def (set_up_by_prologue): New target hook.
2330 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2331 * doc/tm.texi: Regenerated.
2332 * function.c (thread_prologue_and_epilogue_insns): Change
2333 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2334 Call targetm.set_up_by_prologue on it.
2335 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2336 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2338 2012-01-17 Nick Clifton <nickc@redhat.com>
2340 * config/rx/rx.c (rx_can_use_simple_return): New function.
2341 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2342 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2344 2012-01-17 Richard Guenther <rguenther@suse.de>
2347 * expr.c (expand_assignment): Take address-space information
2348 from the address operand of MEM_REF and TARGET_MEM_REF.
2349 (expand_expr_real_1): Likewise.
2351 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2353 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2354 reload dump is requested.
2356 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2359 * trans-mem.c (requires_barrier): Call may_be_aliased.
2361 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2363 PR tree-optimization/51877
2364 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2365 call arguments and fndecls compare equal, instead return false if they
2366 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2367 both SSA_NAMEs that are valueized the same, or they satisfy
2370 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2372 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2374 * configure: Regenerate.
2376 2012-01-16 Jan Hubicka <jh@suse.cz>
2380 * convert.c (convert_to_integer): Use fold_convert for
2381 converting an INTEGER_CST to integer type.
2383 2012-01-16 Jason Merrill <jason@redhat.com>
2386 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2388 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2391 * config/s390/s390.c (s390_chunkify_start): Don't skip
2392 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2393 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2394 If insn is followed by NOTE_INSN_VAR_LOCATION or
2395 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2396 Don't use location of note insns.
2398 PR tree-optimization/51865
2399 * tree-inline.c (tree_function_versioning): Call remap_decl
2400 on DECL_RESULT whenever it has VOID_TYPE_P type.
2402 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2404 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2405 for calls to locally-binding MIPS16 functions if only the return
2406 type uses float regs.
2408 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2409 Richard Sandiford <rdsandiford@googlemail.com>
2411 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2412 (SYMBOL_32_HIGH): Likewise.
2413 (mips_output_tls_reloc_directive): Declare.
2414 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2415 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2416 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2417 (mips_lo_relocs, mips_hi_relocs): Make extern.
2418 (mips16_stub_function): Move up file.
2419 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2420 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2421 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2422 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2423 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2424 (mips_get_tp): Add MIPS16 support.
2425 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2426 Generalize DTPREL and TPREL handling.
2427 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2428 Add MIPS16 TLS support.
2429 (mips_output_tls_reloc_directive): New function.
2430 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2431 * config/mips/predicates.md (symbolic_operand_with_high)
2432 (tls_reloc_operand): New predicates.
2433 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2434 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2435 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2436 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2437 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2438 (*tls_get_tp_mips16_call_<mode>): Likewise.
2440 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2442 PR rtl-optimization/51821
2443 * recog.c (peep2_find_free_register): Determine clobbered registers
2446 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2449 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2450 * config/avr/avr.c: Likewise.
2451 * config/avr/avr.h: Likewise.
2453 2012-01-13 Ian Lance Taylor <iant@google.com>
2456 * tree.h (TYPE_QUALS): Add cast to int.
2457 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2459 2012-01-13 Ian Lance Taylor <iant@google.com>
2461 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2462 comparing param_index to VEC_length result.
2464 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2466 * c-decl.c: Do not include tree-mudflap.h
2467 * tree-optimize.c: Likewise.
2468 * Makefile.in: Update dependencies.
2470 2012-01-13 Richard Guenther <rguenther@suse.de>
2473 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2474 variable-sized result always use RSO.
2476 2012-01-12 DJ Delorie <dj@redhat.com>
2478 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2479 pointer type, not just the default pointer type.
2481 2012-01-09 Richard Henderson <rth@redhat.com>
2482 Denis Chertykov <chertykov@gmail.com>
2485 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2486 * config/avr/avr.c (avr_can_eliminate): Simplify.
2487 (avr_initial_elimination_offset): Likewise.
2488 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2489 (expand_epilogue): Likewise.
2490 (avr_legitimize_address): Gut.
2491 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2492 (avr_hard_regno_nregs): New.
2493 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2494 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2495 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2496 add soft frame pointer.
2497 (CALL_USED_REGISTERS): Likewise.
2498 (REG_CLASS_CONTENTS): Likewise.
2499 (REGISTER_NAMES): Likewise.
2500 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2501 (HARD_FRAME_POINTER_REGNUM): New.
2502 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2503 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2504 remove the HARD_FRAME_POINTER self-elimination.
2506 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2509 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2510 DECL_EXTERNAL when checking for initializers of progmem variables.
2512 2012-01-12 Ira Rosen <irar@il.ibm.com>
2514 PR tree-optimization/51799
2515 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2516 that the last operation is a type demotion.
2518 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2520 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2521 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2523 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2526 * combine.c (distribute_notes): If i3 is a noreturn call,
2527 allow old_size to be equal to args_size and make sure the
2528 noreturn call gets REG_ARGS_SIZE note.
2529 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2530 on noreturn calls even when the delta is 0.
2532 2012-01-11 Nathan Sidwell <nathan@acm.org>
2534 * gcov.c (STRING_SIZE): Remove.
2535 (generate_results): Erase annotations for source files with no
2536 coverage information.
2538 (output_lines): Use it.
2540 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2542 * gimple.h (gimplify_body): Remove first argument.
2543 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2544 pointer set here, instead just pass DATA to walk_tree.
2545 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2546 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2547 (unvisit_body): Likewise, but with unmark_visited.
2548 (gimplify_body): Remove BODY_P argument and adjust.
2549 (gimplify_function_tree): Adjust call to gimplify_body.
2550 * omp-low.c (finalize_task_copyfn): Likewise.
2552 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2554 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2555 (build_function_type_skip_args): Delete.
2556 * tree.c (build_function_type_skip_args): Make static and add
2557 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2558 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2559 pass it to build_function_type_skip_args.
2560 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2561 (tree_function_versioning): Likewise.
2562 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2563 build_function_decl_skip_args.
2564 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2565 and pass it to build_function_decl_skip_args/tree_function_versioning.
2566 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2567 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2568 * trans-mem.c (ipa_tm_create_version): Likewise.
2569 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2570 * tree-inline.c (declare_return_variable): Remove always-true test.
2571 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2572 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2573 * ipa-split.c (split_function): Skip the return value for the split
2574 part if it doesn't return.
2576 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2578 PR tree-optimization/49642
2579 * ipa-split.c (forbidden_dominators): New variable.
2580 (check_forbidden_calls): New function.
2581 (dominated_by_forbidden): Likewise.
2582 (consider_split): Check for forbidden dominators.
2583 (execute_split_functions): Initialize and free forbidden
2584 dominators info; call check_forbidden_calls.
2586 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2588 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2590 2012-01-11 Nick Clifton <nickc@redhat.com>
2592 * config/rx/rx.md (return): Define pattern.
2594 2012-01-11 Richard Guenther <rguenther@suse.de>
2596 * doc/extend.texi (malloc attribute): Adjust according to
2599 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2600 Patrick Marlier <patrick.marlier@gmail.com>
2603 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2604 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2605 (ipa_tm_note_irrevocable): Same.
2606 (ipa_tm_scan_irr_block): Same.
2607 (ipa_tm_decrement_clone_counts): Same.
2608 (ipa_tm_scan_irr_function): Same.
2609 (ipa_tm_create_version_alias): Same.
2610 (ipa_tm_create_version): Same.
2611 (ipa_tm_transform_calls_redirect): Same.
2612 (ipa_tm_transform_calls): Same.
2613 (ipa_tm_transform_transaction): Same.
2614 (ipa_tm_execute): Same.
2616 2012-01-10 Richard Guenther <rguenther@suse.de>
2619 * opts.c (common_handle_option): Handle -Werror.
2621 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2623 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2626 2012-01-10 Jason Merrill <jason@redhat.com>
2628 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2631 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2633 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2634 supports R_386_TLS_GD_PLT reloc.
2635 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2636 supports R_386_TLS_LDM_PLT reloc.
2637 * configure: Regenerate.
2638 * config.in: Regenerate.
2640 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2643 Extend __pgmx semantics to linearize memory.
2644 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2645 determine if code comes inline or from libgcc.
2646 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2647 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2648 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2649 (movmemx_qi, movmemx_hi): New insns.
2650 (xload_<mode>_libgcc): Rewrite to new insn condition.
2651 (xload_<mode>): Remove insns.
2652 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2653 cases that don't satisfy avr_xload_libgcc_p().
2654 (avr_addr_space_convert): Allow converting in any direction.
2655 (avr_addr_space_subset_p): Return always true.
2656 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2657 (avr_emit_movmemhi): Ditto.
2658 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2659 (avr_out_movmem): Ditto.
2660 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2661 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2662 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2663 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2664 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2666 2012-01-10 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/50913
2669 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2670 Require data-refs to be representable by Graphite with respect
2673 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2675 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2676 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2678 2012-01-10 Tom de Vries <tom@codesourcery.com>
2680 PR rtl-optimization/51271
2681 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2682 handling annulled branch.
2684 2012-01-10 Richard Henderson <rth@redhat.com>
2686 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2687 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2688 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2689 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2690 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2691 arm_expand_vec_perm_const): New.
2692 * config/arm/arm-protos.h: Update.
2693 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2694 (*neon_vswp<VDQX>): New.
2695 (neon_vcombine<VDX>): Use neon_split_vcombine.
2696 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2697 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2698 (vec_perm<VE>): New.
2700 2012-01-10 Richard Henderson <rth@redhat.com>
2702 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2703 use it if reload_completed.
2704 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2705 arm_output_asm_insn, arm_process_output_memory_barrier,
2706 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2707 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2708 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2709 arm_process_output_sync_insn, arm_output_sync_insn,
2710 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2711 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2712 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2713 (emit_unlikely_jump): New.
2714 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2715 (arm_split_atomic_op): New.
2716 * config/arm/arm-protos.h: Update.
2717 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2718 (struct arm_sync_generator): Remove.
2719 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2720 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2721 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2722 (VUNSPEC_LL, VUNSPEC_SC): New.
2723 (sync_result, sync_memory, sync_required_value, sync_new_value,
2724 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2725 (attr length): Don't use arm_sync_loop_insns.
2726 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2727 (movsfcc, movdfcc): Likewise.
2728 * config/arm/constraints.md (Ua): New.
2729 * config/arm/prediates.md (mem_noofs_operand): New.
2730 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2731 (sync_clobber, sync_t2_reqd): Remove.
2732 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2733 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2734 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2735 (arm_sync_compare_and_swap<SIDI>): Remove.
2736 (arm_sync_compare_and_swap<NARROW>): Remove.
2737 (arm_sync_lock_test_and_set<SIDI>): Remove.
2738 (arm_sync_lock_test_and_set<NARROW>): Remove.
2739 (arm_sync_new_<syncop><SIDI>): Remove.
2740 (arm_sync_new_<syncop><NARROW>): Remove.
2741 (arm_sync_new_nand<SIDI>): Remove.
2742 (arm_sync_new_nand<NARROW>): Remove.
2743 (arm_sync_old_<syncop><SIDI>): Remove.
2744 (arm_sync_old_<syncop><NARROW>): Remove.
2745 (arm_sync_old_nand<SIDI>): Remove.
2746 (arm_sync_old_nand<NARROW>): Remove.
2747 (*memory_barrier): Merge arm_output_memory_barrier.
2748 (atomic_compare_and_swap<QHSD>): New.
2749 (atomic_compare_and_swap<NARROW>_1): New.
2750 (atomic_compare_and_swap<SIDI>_1): New.
2751 (atomic_exchange<QHSD>): New.
2752 (cas_cmp_operand, cas_cmp_str): New.
2753 (atomic_op_operand, atomic_op_str): New.
2754 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2755 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2756 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2757 (arm_load_exclusive<NARROW>): New.
2758 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2759 (arm_store_exclusive<QHSD>): New.
2761 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2763 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2764 reload patterns if -mvsx-scalar-memory.
2766 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2767 generated, even -mno-vsx-scalar-double was used.
2768 (vsx_xscvdpsp_scalar): Likewise.
2769 (vsx_xscvspdp_scalar2): Likewise.
2771 2012-01-09 Tom de Vries <tom@codesourcery.com>
2772 Andrew Pinski <apinski@cavium.com>
2775 * reorg.c (fill_slots_from_thread): Don't speculate
2776 frame-related insns.
2778 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2780 * sched-int.h (bb_note): Move to...
2781 * basic-block.h: ...here.
2782 * haifa-sched.c (bb_note): Move to...
2783 * cfgrtl.c: ...here.
2784 * function.c (next_block_for_reg): New function.
2785 (move_insn_for_shrink_wrap): Likewise.
2786 (prepare_shrink_wrap): Rewrite to use the above.
2788 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2790 * gimple.c (is_gimple_non_addressable): Remove.
2791 * gimple.h: Remove is_gimple_non_addressable.
2792 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2793 is_gimple_non_addressable.
2794 * trans-mem.c (expand_assign_tm): Same.
2796 2012-01-09 Richard Guenther <rguenther@suse.de>
2798 PR tree-optimization/51775
2799 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2800 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2802 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2804 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2806 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2808 2012-01-09 Richard Guenther <rguenther@suse.de>
2810 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2812 2012-01-08 Jan Hubicka <jh@suse.cz>
2814 PR tree-optimize/51680
2815 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2816 on when known_vals needs to be computed; cleanup.
2818 2012-01-08 Jan Hubicka <jh@suse.cz>
2820 PR tree-optimize/51694
2821 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2823 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2825 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2826 for -std=c++98 and -std=c++11 too.
2828 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2830 * cfgloop.c (cancel_loop): Add free() of bbs array.
2832 2012-01-07 Jan Hubicka <jh@suse.cz>
2834 PR tree-optimization/51600
2835 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2836 that benefits small functions.
2838 2012-01-07 Jan Hubicka <jh@suse.cz>
2840 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2842 2012-01-07 Jan Hubicka <jh@suse.cz>
2844 PR tree-optimization/51680
2845 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2846 whose inlining reduce unit size.
2848 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2851 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2852 Add canonical node to containing_mem chain after the non-canonical
2853 one, even if there weren't any locs to propagate.
2854 (remove_useless_values): Keep only canonical values.
2855 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2856 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2857 canonicalize mem_chain elements that are not discarded.
2859 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2862 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2863 before emitting functions.
2865 PR gcov-profile/50127
2866 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2867 clear_aux_for_blocks.
2869 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2872 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2874 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2876 * c-decl.c (ext_block): Moved up.
2877 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2879 2012-01-06 Han Shen <shenhan@google.com>
2881 Translate built-in include paths for sysroot.
2882 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2883 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2885 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2886 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2888 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2889 control whether sysroot should be prepended to gxx include dir.
2891 * configure: Regenerate.
2893 2012-01-06 Torvald Riegel <triegel@redhat.com>
2895 PR rtl-optimization/51771
2896 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2897 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2899 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2901 PR tree-optimization/51315
2902 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2903 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2905 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2908 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2909 for shrp pattern. Correctly handle and fixup shift variable.
2910 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2912 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2915 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2916 note when !ACCUMULATE_OUTGOING_ARGS.
2918 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2920 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2922 (extract_range_from_unary_expr_1): Avoid useless computations.
2924 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2926 PR rtl-optimization/51767
2927 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2928 of jump_block and add an extra edge for degenerated asm gotos.
2931 * stmt.c (check_unique_operand_names): Don't ICE during error
2932 reporting if i is from labels chain.
2935 * profile.c (branch_prob): Split bbs that have exit edge
2936 and need a fake entry edge too.
2938 2012-01-05 Jan Hubicka <jh@suse.cz>
2941 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2944 2012-01-05 Richard Guenther <rguenther@suse.de>
2947 * tree-streamer-out.c (write_ts_optimization): New function.
2948 (streamer_write_tree_body): Call it.
2949 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2950 (streamer_read_tree_body): Call it.
2951 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2953 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2956 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2957 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2958 in_cleanup_point_expr before gimplify_stmt call and restore it
2960 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2961 in_cleanup_point_expr is false.
2963 2012-01-05 Richard Guenther <rguenther@suse.de>
2966 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2968 * toplev.c (process_options): Reject combining mudflap and LTO.
2969 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2971 2012-01-05 Richard Guenther <rguenther@suse.de>
2973 PR tree-optimization/51760
2974 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2976 (bit_value_unop): Handle UNDEFINED operands.
2977 (bit_value_binop): Likewise.
2979 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2981 * config/avr/avr.c (avr_replace_prefix): Remove.
2982 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2983 (avr_asm_function_rodata_section): Ditto.
2984 (avr_asm_select_section): Ditto.
2986 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2988 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2991 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2994 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2995 calls that have any non-fake successor edges.
2998 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3000 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3002 PR tree-optimization/51624
3003 * tree-sra.c (build_ref_for_model): When replicating a chain of
3004 COMPONENT_REFs, stop as soon as the offset would become negative.
3006 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3009 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3010 in .debug_loc on the floor.
3012 2012-01-04 Andrew Pinski <apinski@cavium.com>
3014 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3016 2012-01-04 Andrew Pinski <apinski@cavium.com>
3017 Adam Nemet <anemet@caviumnetworks.com>
3019 * config/mips/mips.md (size): Add SI and DI.
3020 (SIZE): New mode attribute.
3021 (U): New code attribute.
3022 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3023 (mips_lbux_<mode>): Delete.
3024 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3025 (mips_lhx): Use gen_mips_lhx_extsi.
3026 (mips_lhx_<mode>): Delete.
3028 (mips_l<size>x): New expand.
3029 (mips_lwx_<mode>): Delete.
3030 (mips_l<GPR:size>x_<P:mode>): New pattern.
3031 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3032 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3033 * config/mips/mips.c (mips_lx_address_p): New function.
3034 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3035 (dsp64): New availability predicate.
3036 (mips_builtins): Add an entry for __builtin_mips_ldx.
3037 * config/mips/mips.h (ISA_HAS_LBX): New define.
3038 (ISA_HAS_LBUX): Likewise.
3039 (ISA_HAS_LHX): Likewise.
3040 (ISA_HAS_LHUX): Likewise.
3041 (ISA_HAS_LWX): Likewise.
3042 (ISA_HAS_LWUX): Likewise.
3043 (ISA_HAS_LDX): Likewise.
3044 * doc/extend.texi (__builtin_mips_ldx): Document.
3046 2012-01-04 Tristan Gingold <gingold@adacore.com>
3048 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3049 when long pointers are used.
3050 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3051 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3052 (ia64-hp-*vms*): Remove.
3053 * config/vms/xm-vms64.h: Delete.
3055 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3058 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3060 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3062 * opts.c (finish_options): Remove duplicate sorry.
3064 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3067 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3070 2012-01-04 Richard Guenther <rguenther@suse.de>
3073 * tree.c (size_low_cst): New function.
3074 * tree.h (size_low_cst): Declare.
3075 * fold-const.c (fold_comparison): Use it to extract the low
3076 part of the POINTER_PLUS_EXPR offset.
3078 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3080 Fix clearing ZERO_REG
3081 * config/avr/avr.md (cc): Add alternative "ldi".
3082 (movqi_insn): Use it in cc attribute.
3083 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3084 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3085 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3087 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3089 * configure: Regenerate.
3091 2012-01-04 Richard Guenther <rguenther@suse.de>
3093 PR tree-optimization/49651
3094 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3095 (var_can_have_subvars): Use it.
3096 (get_constraint_for_1): Only consider subfields if there can be any.
3098 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3101 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3102 to its new canonical_cselib_val and the cselib_val was in
3103 first_containing_mem chain, but the canonical_cselib_val was not,
3104 add the latter into the chain.
3105 (cselib_invalidate_mem): Compare canonical_cselib_val of
3106 addr_list chain elt with v.
3109 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3110 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3112 (output_macinfo_op): Don't ggc_strdup fd->filename.
3113 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3114 then ggc_strdup it. Don't free inc->info or cur->info.
3115 (output_macinfo): Don't free ref->info or file->info.
3117 2012-01-03 Ira Rosen <irar@il.ibm.com>
3119 PR tree-optimization/51269
3120 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3121 first_niters a pointer.
3122 (slpeel_tree_peel_loop_to_edge): Likewise.
3123 (vect_do_peeling_for_loop_bound): Update call to
3124 slpeel_tree_peel_loop_to_edge.
3125 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3126 here. Remove it from the parameters list.
3127 (vect_do_peeling_for_alignment): Update calls and compute
3130 2012-01-03 Richard Guenther <rguenther@suse.de>
3132 PR tree-optimization/51070
3133 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3134 Properly handle calls.
3136 2012-01-03 Richard Guenther <rguenther@suse.de>
3138 PR tree-optimization/51692
3139 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3140 the LHS of allocation stmts.
3142 2012-01-03 Olivier Hainque <hainque@adacore.com>
3144 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3146 2012-01-03 Olivier Hainque <hainque@adacore.com>
3148 * collect2.c (main): In AIX specific computations for vector
3149 insertions, use CONST_CAST2 to cast from char ** to const char **.
3151 2012-01-03 Richard Guenther <rguenther@suse.de>
3154 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3155 the context of a limbo DIE when it does not already exist.
3157 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3159 PR tree-optimization/51719
3160 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3161 but direct call is, clear direct call's lhs and don't add fallthrough
3162 edge from dcall_bb to join_bb and PHIs.
3164 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3166 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3167 the instructions emitted by the pattern.
3168 ("*TDC_insn_<mode>"): Add comment.
3170 2012-01-03 Richard Guenther <rguenther@suse.de>
3173 * fold-const.c (fold_comparison): Properly canonicalize
3174 tree offset and HOST_WIDE_INT bit position.
3176 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3178 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3179 operands for extzv pattern.
3181 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3184 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3187 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3189 * doc/invoke.texi (-flto and related options): Copy-edit.
3191 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3193 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3195 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3197 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3200 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3202 * expr.h (move_by_pieces_ninsns): Declare.
3203 * expr.c (move_by_pieces_ninsns): Make external.
3204 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3205 (mips_store_by_pieces_p): Likewise.
3206 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3207 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3208 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3209 (mips_store_by_pieces_p): Likewise.
3211 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3213 * passes.c (register_one_dump_file): Free full_name.
3215 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3216 (calculate_elim_costs_all_insns): Free offsets_at and
3217 offsets_known_at at the end and clear the pointers.
3219 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3221 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3222 this option introduced in r180739.
3224 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3227 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3228 (tmake_file target=avr): Add avr/t-multilib.
3230 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3231 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3232 * config/avr/genmultilib.awk: New file.
3233 * config/avr/t-multilib: New auto-generated file.
3234 * config/avr/multilib.h: New auto-generated file.
3235 * config/avr/t-avr (AVR_MCUS): New variable.
3236 (genopt.sh): Use it.
3237 (s-mlib): Depend on t-multilib.
3238 (t-multilib, multilib.h): New dependencies.
3239 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3240 (MULTILIB_OPTIONS): Remove.
3241 (MULTILIB_MATCHES): Remove.
3242 (MULTILIB_DIRNAMES): Remove.
3243 (MULTILIB_EXCEPTIONS): Remove:
3244 * config/avr/genopt.sh: Don't use hard coded file name;
3245 pass AVR_MCUS from t-avr instead.
3247 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3249 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3251 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3253 Implement light-weight DImode support.
3254 * config/avr/avr-dimode.md: New file.
3255 * config/avr/avr.md: Include it.
3256 (adjust_len): Add plus64, compare64.
3257 (HIDI): Remove code iterator.
3258 (code_stdname): New code attribute.
3259 (rotx, rotsmode): Remove DI.
3260 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3262 * config/avr/avr-protos.h (avr_have_dimode): New.
3263 (avr_out_plus64, avr_out_compare64): New.
3264 * config/avr/avr.c (avr_out_compare): Handle DImode.
3265 (avr_have_dimode): New variable definition and initialization.
3266 (avr_out_compare64, avr_out_plus64): New functions.
3267 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3268 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3269 (avr_compare_pattern): Skip DImode comparisons.
3271 2012-01-02 Revital Eres <revital.eres@linaro.org>
3273 * ddg.c (def_has_ccmode_p): New function.
3274 (add_cross_iteration_register_deps,
3275 create_ddg_dep_from_intra_loop_link): Call it.
3277 2012-01-02 Richard Guenther <rguenther@suse.de>
3280 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3282 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3284 * gcc.c (process_command): Update copyright notice dates.
3285 * gcov.c (print_version): Likewise.
3286 * gcov-dump.c (print_version): Likewise.
3287 * mips-tfile.c (main): Likewise.
3288 * mips-tdump.c (main): Likewise.
3290 2012-01-01 Ira Rosen <irar@il.ibm.com>
3292 PR tree-optimization/51704
3293 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3294 a use is inside the basic block or loop before accessing its vect info.
3296 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3298 PR rtl-optimization/51069
3299 * cfgloopmanip.c (remove_path): Removing path making irreducible
3300 region unconditional makes BB part of the region.
3302 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3304 PR tree-optimization/51683
3305 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3306 calls with side-effects.
3307 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3309 Copyright (C) 2012 Free Software Foundation, Inc.
3311 Copying and distribution of this file, with or without modification,
3312 are permitted in any medium without royalty provided the copyright
3313 notice and this notice are preserved.