1 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
6 2012-02-29 Jakub Jelinek <jakub@redhat.com>
7 Uros Bizjak <ubizjak@gmail.com>
10 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
11 alternatives, add "e" constraint to the new last alternative
12 and ! to last 3 alternatives.
14 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
16 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
17 DW_AT_artificial attributes at the end of the processing.
18 (gen_array_type_die): Likewise.
19 (gen_enumeration_type_die): Likewise.
20 (gen_struct_or_union_type_die): Likewise.
21 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
24 2012-02-29 Jakub Jelinek <jakub@redhat.com>
27 * expr.c (expand_assignment): If doing misaligned store that doesn't
28 cover all mode bits, perform a RMW cycle.
30 PR tree-optimization/52429
31 * tree-parloops.c (separate_decls_in_region_debug): Return early
34 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
36 PR tree-optimization/52424
37 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
38 calling dom_thread_across_edge.
40 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
42 * config/avr/avr.c: Move definition of TARGET macros to end of file.
44 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
46 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
47 * config/avr/avr.c (avr_output_bld): Remove unused function.
48 (avr_out_sbxx_branch): Use "%T" to print bit position.
50 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
52 * config/avr/avr.md: Untabify.
54 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
56 * config/avr/avr.md (eqne): New code iterator.
57 (*dec-and-branchsi): Use it in text peephole's condition.
58 (*dec-and-branchhi): Ditto.
59 (*dec-and-branchqi): Ditto.
61 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
64 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
65 the device does not have the skip-bug.
67 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
69 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
70 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
71 -mpretend-cmove): New.
73 2012-02-29 Jakub Jelinek <jakub@redhat.com>
76 * df.h (struct df_d): Adjust comment that hard_regs_live_count
77 doesn't count DEBUG_INSN refs.
78 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
81 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
85 2012-02-20 Richard Guenther <rguenther@suse.de>
86 PR tree-optimization/52298
87 * tree-vect-stmts.c (vectorizable_load): Properly use
88 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
91 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
94 * gimple.h (gimple_in_transaction): New.
95 (gimple_set_in_transaction): New.
96 (struct gimple_statement_base): Add in_transaction field.
97 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
99 (tree_ssa_lim_initialize): Compute transaction bits.
100 * tree.h (compute_transaction_bits): Protoize.
101 * trans-mem.c (tm_region_init): Use the heap to store BB
103 (compute_transaction_bits): New.
105 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
107 * gcc.c (display_help): Document --help=common and sort entries
110 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
112 * doc/install.texi: Document check-$LANG specific shortcuts
114 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
117 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
119 * config/arm/arm_neon.h: Regenerate.
120 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
121 (neon_vcgeu): New insn.
122 (neon_vcgtu): Likewise.
123 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
124 (ops): Unsigned comparison intrinsics call a different
127 2012-02-28 Richard Guenther <rguenther@suse.de>
130 * config/i386/i386.c (ix86_expand_vector_set): Fix element
131 ordering for the VEC_CONCAT for two element vectors for
132 V2SFmode, V2SImode and V2DImode.
134 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
137 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
138 detecting big-endian triplets.
140 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
142 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
143 mode if there is no type information available.
145 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
147 PR tree-optimization/53207
148 * doc/invoke.texi: Document as experimental and relying on graphite.
150 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
152 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
153 of initializer to changes from r184614.
155 2012-02-28 Richard Guenther <rguenther@suse.de>
157 PR tree-optimization/52395
158 * tree-sra.c (build_ref_for_offset): Also look at the base
159 TYPE_ALIGN when figuring out the alignment of the replacement.
161 2012-02-28 Richard Guenther <rguenther@suse.de>
163 PR tree-optimization/52402
164 * ipa-prop.c (ipa_modify_call_arguments): Properly use
165 mis-aligned types when creating the accesses at the call site.
167 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
169 * config/avr/builtins.def: New file.
170 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
171 * config/avr/avr.c (enum avr_builtin_id): Use it.
172 (avr_init_builtins): Use it. And use avr_bdesc.
173 (bdesc_1arg): Remove.
174 (bdesc_2arg): Remove.
175 (bdesc_3arg): Remove.
176 (struct avr_builtin_description): Add field n_args.
177 (avr_bdesc): New static variable using builtins.def.
178 (avr_expand_builtin): Use it.
179 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
180 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
181 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
183 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
186 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
187 match only one single hard register with respective hard reg rtx.
188 (movmemx_<mode>): Ditto.
189 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
190 insn anatomy of movmem[x]_<mode>.
191 (avr_out_movmem): Same for printing assembler and operand usage.
193 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
197 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
198 address spaces located outside of device flash.
200 * config/avr/avr.h (base_arch_s): Remove field n_segments.
201 (mcu_type_s): Add field n_flash.
202 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
203 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
204 (AVR_MCU): Add N_FLASH argument.
205 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
206 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
207 macro __FLASH<n> if that address space makes sense for the device.
208 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
209 outside of target flash.
210 (avr_asm_named_section): Ditto.
211 (avr_asm_select_section): Ditto.
212 (avr_addr_space_convert): Ditto.
213 (avr_emit_movmemhi): Ditto.
214 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
215 address space is outside of device flash.
216 (avr_insert_attributes): Ditto.
217 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
218 avr_current_arch->n_segments.
220 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
223 * config/i386/i386.md (*movabs<mode>_1): Enable only for
225 (*movabs<mode>_2): Likewise.
227 2012-02-27 Jakub Jelinek <jakub@redhat.com>
230 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
231 s_register_operand in the test instead of REG_P. Don't call
232 gen_reg_rtx if it won't be used.
234 PR tree-optimization/52376
235 * ipa-split.c (split_function): Ignore CLOBBER stmts.
237 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
239 * ifcvt.c (noce_get_condition): Check condition variable is not
240 small_register_classes_for_mode_p before accepting.
242 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
244 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
246 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
249 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
250 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
252 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
254 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
256 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
258 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
260 * config/sh/predicates.md: Remove blank lines.
261 * config/sh/sh.c: Fix typos in comments.
262 * config/sh/constraints.md: Likewise.
263 * config/sh/sh.md: Remove blank lines.
264 Fix typos in comments. Use ;; as comment characters.
266 2012-02-26 Walter Lee <walt@tilera.com>
268 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
269 (replace_mov_pcrel_step2): Ditto.
271 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
274 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
275 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
276 and locs that reference values newer than the non-canonical value
277 at hand. Return the canonical value as a worst case.
278 (memrefs_conflict_p): Walk canonical value's locs.
281 * cselib.c (preserve_only_constants): Rename to...
282 (preserve_constants_and_equivs): ... this. Split out...
283 (invariant_or_equiv_p): ... this. Preserve plus expressions
284 of other preserved expressions too.
285 (cselib_reset_table): Adjust.
286 * var-tracking.c (reverse_op): Use canonical value to build
289 2012-02-23 Kai Tietz <ktietz@redhat.com>
291 * config/i386/i386.c (ix86_delegitimize_address): Handle
292 UNSPEC_PCREL plus displacement.
294 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
297 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
298 to test for unusedness in st X addressing.
300 2012-02-24 Richard Guenther <rguenther@suse.de>
303 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
304 (is_gimple_reg_type): Move inline ...
305 * gimple.h (is_gimple_reg_type): ... here.
307 2012-02-24 Richard Guenther <rguenther@suse.de>
310 * passes.c (execute_function_todo): When verifying SSA form
311 verify gimple form first.
312 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
314 2012-02-24 Richard Guenther <rguenther@suse.de>
317 * fold-const.c (fold_addr_of_array_ref_difference): New function.
318 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
320 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
322 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
324 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
326 * tree-phinodes.c (make_phi_node): Mark static.
327 * tree-flow.h (make_phi_node): Remove extern decl.
328 * doc/gimple.texi (make_phi_node): Remove documentation.
330 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
332 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
333 * tree-ssa-sccvn.c (print_scc): Ditto.
335 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
337 * doc/passes.texi (Full redundancy elimination): Fix typo.
339 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
341 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
343 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
346 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
348 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
351 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
353 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
355 * config/avr/avr.md (code_stdname): Add ior, xor.
356 (xior): New code iterator.
357 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
358 (*<code_stdname><mode>qi.byte1-3): Ditto.
360 2012-02-23 Jakub Jelinek <jakub@redhat.com>
362 PR tree-optimization/52019
363 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
366 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
368 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
369 HAVE_INITFINI_ARRAY to work around namespace pollution in
370 certain versions of newlib system headers.
371 * config.in: Regenerate.
372 * configure: Regenerate.
373 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
374 instead of HAVE_INITFINI_ARRAY.
376 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
379 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
380 is not offsettable memory reference.
382 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
385 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
386 setting avr_need_clear_bss_p for __gnu_lto* symbols.
388 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
390 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
391 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
393 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
395 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
396 library on Solaris 8 even without TLS support.
397 * configure: Regenerate.
399 2012-02-22 Richard Guenther <rguenther@suse.de>
402 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
403 for GIMPLE_DEBUG stmts.
405 2012-02-22 Martin Jambor <mjambor@suse.cz>
408 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
409 according to the base object.
411 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
413 PR rtl-optimization/50063
414 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
415 and 2 (8-bit SP) in operand 2.
416 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
417 setup to use movhi_sp_r instead of vanilla move to write SP.
418 Adjust REG_CFA notes to superseed unspec.
419 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
421 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
422 known to be off) only with TARGET_NO_INTERRUPTS. Never use
423 irq_state 1 (IRQ known to be on) here.
425 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
427 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
429 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
430 assign_hard_reg): Likewise.
432 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
434 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
436 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
439 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
440 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
442 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
444 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
445 prototype from here to...
446 * config/avr/avr.h: ...here.
448 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
451 * thumb2.md (thumb2_shiftsi3_short): Split register and
452 immediate shifts. For register shifts tie operands 0 and 1.
453 (peephole2 for above): Check that register-controlled shifts
454 have suitably tied operands.
456 2012-02-21 Quentin Neill <quentin.neill@amd.com>
459 * config/i386/bdver1.md (bdver1_call, bdver1_push,
460 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
461 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
462 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
463 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
464 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
465 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
466 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
467 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
468 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
469 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
470 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
471 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
472 bdver1_ssevector_avx256_unaligned_load,
473 bdver1_ssevector_sse128_unaligned_load,
474 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
475 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
476 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
477 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
478 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
479 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
480 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
481 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
482 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
483 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
484 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
485 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
486 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
487 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
488 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
489 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
490 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
491 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
492 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
493 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
494 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
495 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
496 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
497 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
498 bdver1_ssediv_double_load, bdver1_ssediv_double,
499 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
500 Add "bdver2" attribute.
502 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
504 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
505 default if possible and not specified otherwise.
507 2012-02-21 Richard Guenther <rguenther@suse.de>
510 * gimplify.c (create_tmp_from_val): Use the main variant type
511 for the type of the temporary we create.
513 2012-02-21 Richard Guenther <rguenther@suse.de>
515 PR tree-optimization/52324
516 * gimplify.c (gimplify_expr): When re-gimplifying expressions
517 do not gimplify a MEM_REF address operand if it is already
520 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
522 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
523 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
525 2012-02-21 Richard Guenther <rguenther@suse.de>
527 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
530 2012-02-21 Jakub Jelinek <jakub@redhat.com>
532 PR tree-optimization/52318
533 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
534 vdef also to non-pure/const call stmts in the sequence.
536 2012-02-20 David S. Miller <davem@davemloft.net>
538 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
539 don't use the "rd %pc" instruction on v9 for PIC register loads.
541 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
544 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
545 in a transaction safe function.
547 2012-02-20 Kai Tietz <ktietz@redhat.com>
550 * stor-layout.c (place_field): Handle desired_align for
553 2012-02-20 Richard Guenther <rguenther@suse.de>
555 PR tree-optimization/52298
556 * tree-vect-stmts.c (vectorizable_store): Properly use
557 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
559 (vectorizable_load): Likewise.
560 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
561 Access DR_STEP after ensuring it is not NULL.
563 2012-02-20 Jakub Jelinek <jakub@redhat.com>
565 PR tree-optimization/52286
566 * fold-const.c (fold_binary_loc): For (X & C1) | C2
567 optimization use double_int_to_tree instead of build_int_cst_wide,
568 rewrite to use double_int vars.
570 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
573 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
575 Remove -e 0 from $gcc_cv_ld invocation.
576 Only use __GLIBC_PREREQ if defined.
577 Enable on Solaris since Solaris 8 patch.
578 (gcc_SUN_LD_VERSION): New macro.
579 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
580 gcc_SUN_LD_VERSION for version number format.
581 * configure: Regenerate.
582 * varasm.c (get_elf_initfini_array_priority_section): Set
583 SECTION_NOTYPE for non-default priority.
584 Use get_section instead of get_unnamed_section to emit
585 .init_array/.fini_array with default priority.
587 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
589 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
590 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
591 (mips_start_unique_function, mips_output_mips16_rdhwr)
592 (mips_code_end): New functions.
593 (TARGET_ASM_CODE_END): Define.
595 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
597 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
598 to stubs with non-sibling calls.
600 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
602 * doc/invoke.texi (-fira-* options): Copy-edit.
603 (ira-* parameters): Copy-edit.
605 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
607 * doc/invoke.texi: Minor copy-edits to bring into conformance with
608 GCC coding conventions.
610 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
612 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
613 when used as adjectives.
615 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
617 * doc/invoke.texi: Clean up "that"/"which" confusion.
619 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
621 * system.h: Poison SMALL_REGISTER_CLASSES
622 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
623 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
625 2012-02-16 Jakub Jelinek <jakub@redhat.com>
627 PR tree-optimization/52285
628 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
629 when deciding if a call is a tail call or tail recursion.
631 2012-02-16 Kai Tietz <ktietz@redhat.com>
633 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
634 interger-constant displacement for UNSPEC_PCREL.
636 2012-02-16 Jakub Jelinek <jakub@redhat.com>
638 PR rtl-optimization/52208
639 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
640 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
642 PR tree-optimization/52255
643 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
644 loop->header has virtual PHI, but exit_e->dest doesn't, add
645 virtual PHI to exit_e->dest and adjust all uses after the loop.
648 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
649 children with clone_tree_hash, not after it.
651 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
653 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
654 extended identifiers.
656 2012-02-16 Jakub Jelinek <jakub@redhat.com>
659 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
660 a same_body_alias, also test whether e->callee isn't a former
661 or current clone of the decl this is a same body alias of.
664 * cgraphunit.c (verify_cgraph_node): Fix a typo.
666 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
668 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
670 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
673 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
674 force_reg instead of copy_to_reg for better optimization. Force
675 non-register or memory operands into a register.
677 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
679 * extend.texi: Reserve upper bits of memory model for future use.
681 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
682 Anatoly Sokolov <aesok@post.ru>
683 Eric Weddington <eric.weddington@atmel.com>
686 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
687 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
688 Rewrite initializers for .macro.
689 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
690 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
691 atxmega32d4, atxmega32x1.
692 avrxmega4: atxmega64a3, atxmega64d3.
693 avrxmega5: atxmega64a1, atxmega64a1u.
694 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
695 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
696 avrxmega7: atxmega128a1, atxmega128a1u.
697 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
698 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
699 (struct base_arch_s): Rename reserved to xmega_p.
700 Rename reserved2 to have_rampd.
701 (AVR_XMEGA): New define.
702 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
703 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
704 * config/avr/predicates.md (io_address_operand): Take into
706 (low_io_address_operand): Ditto.
707 (high_io_address_operand): Ditto.
708 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
709 (enabled, movhi_sp_r): Use them.
710 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
711 cpp_define_formatted to built-in define __AVR_ARCH__.
712 (__AVR_XMEGA__): New built-in define.
713 (__AVR_HAVE_RAMPD__): New built-in define.
714 (__AVR_HAVE_RAMPX__): New built-in define.
715 (__AVR_HAVE_RAMPY__): New built-in define.
716 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
718 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
719 (avr_option_override): Initialize them.
720 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
721 (avr_init_expanders): Initialize them. No more block several calls.
722 (emit_push_sfr): New static function.
723 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
725 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
726 (avr_print_operand): Print addreeses as symbols for
727 RAMPX, RAMPY, RAMPD, CCP.
728 (output_movhi): Handle AVR_XMEGA when writing to SP.
729 (avr_out_movhi_mr_r_xmega): New static function.
730 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
731 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
732 __RAMPD__, __CCP__ as needed.
734 * config/avr/multilib.h: Regenerate.
735 * config/avr/t-multilib: Regenerate.
736 * config/avr/avr-tables.opt: Regenerate.
738 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
740 PR tree-optimization/50561
741 * graphite-flattening.c (lst_project_loop): Do not
742 remove old scattering dimensions after flattening.
743 (lst_do_flatten): Likewise.
745 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
747 * doc/extend.texi (AVR Built-in Functions): Remove doc for
748 __builtin_avr_map8, __builtin_avr_map16.
749 Document __builtin_avr_insert_bits.
751 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
752 (insert_bits): New insn.
753 (adjust_len.map_bits): Rename to insert_bits.
754 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
755 * avr-protos.h (avr_out_map_bits): Remove.
756 (avr_out_insert_bits, avr_has_nibble_0xf): New.
757 * config/avr/constraints.md (Cxf,C0f): New.
758 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
759 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
760 New built-in define __BUILTIN_AVR_INSERT_BITS.
761 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
762 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
763 (avr_move_bits): Rewrite.
764 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
766 (avr_map_op_t): New typedef.
767 (avr_map_op): New static variable.
768 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
769 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
770 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
771 (bdesc_3arg, avr_expand_triop_builtin): New.
772 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
773 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
774 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
775 (avr_map_equal_p, avr_map_sig_p): Remove.
776 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
777 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
778 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
779 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
780 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
781 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
783 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
785 * config/c6x/c6x.md (reserve_cycles): New attribute.
786 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
787 don't reserve functional units after the branch occurs.
789 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
792 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
793 functions into non-tm_pure functions.
795 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
798 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
799 (iterative_hash_canonical_type): Likewise.
800 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
803 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
805 * haifa-sched.c (prune_ready_list): Ensure that if there is a
806 sched-group insn, it either remains alone or the entire list is pruned.
808 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
810 * doc/install.texi (Prerequisites): Fix grammar.
811 (Configuration): Likewise.
813 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
815 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
816 MPC as part of GCC before describing configuring with --with-gmp etc.
817 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
820 2012-02-14 Jakub Jelinek <jakub@redhat.com>
823 * dwarf2out.c (clone_tree_hash): New function.
824 (copy_decls_walk): Use it instead of clone_tree.
826 2012-02-14 Richard Guenther <rguenther@suse.de>
828 PR tree-optimization/52244
829 PR tree-optimization/51528
830 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
831 replacements for integral types.
833 2012-02-14 Walter Lee <walt@tilera.com>
835 * config.gcc: Handle tilegx and tilepro.
836 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
838 Add HAVE_AS_TLS check for tilegx and tilepro.
839 * configure: Regenerate.
840 * doc/contrib.texi: Add Mat Hostetter and self.
841 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
842 Document instruction intrinsics and network accessing intrinsics.
843 (TILEPro Built-in Functions): New node. Document instruction
844 intrinsics and network accessing intrinsics.
845 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
846 (Specific, tilepro-*-linux*): Likewise.
847 * doc/invoke.texi (TILE-Gx Options): New section.
848 (TILEPro Options): New section.
849 * doc/md.texi (TILE-Gx): New section.
850 (TILEPro): New section.
851 * common/config/tilegx/tilegx-common.c: New file.
852 * common/config/tilepro/tilepro-common.c: New file.
853 * config/tilegx/constraints.md: New file.
854 * config/tilegx/linux.h: New file.
855 * config/tilegx/mul-tables.c: New file.
856 * config/tilegx/predicates.md: New file.
857 * config/tilegx/sync.md: New file.
858 * config/tilegx/t-tilegx: New file.
859 * config/tilegx/tilegx-builtins.h: New file.
860 * config/tilegx/tilegx-c.c: New file.
861 * config/tilegx/tilegx-generic.md: New file.
862 * config/tilegx/tilegx-modes.def: New file.
863 * config/tilegx/tilegx-multiply.h: New file.
864 * config/tilegx/tilegx-protos.h: New file.
865 * config/tilegx/tilegx.c: New file.
866 * config/tilegx/tilegx.h: New file.
867 * config/tilegx/tilegx.md: New file.
868 * config/tilegx/tilegx.opt: New file.
869 * config/tilepro/constraints.md: New file.
870 * config/tilepro/gen-mul-tables.cc: New file.
871 * config/tilepro/linux.h: New file.
872 * config/tilepro/mul-tables.c: New file.
873 * config/tilepro/predicates.md: New file.
874 * config/tilepro/t-tilepro: New file.
875 * config/tilepro/tilepro-builtins.h: New file.
876 * config/tilepro/tilepro-c.c: New file.
877 * config/tilepro/tilepro-generic.md: New file.
878 * config/tilepro/tilepro-modes.def: New file.
879 * config/tilepro/tilepro-multiply.h: New file.
880 * config/tilepro/tilepro-protos.h: New file.
881 * config/tilepro/tilepro.c: New file.
882 * config/tilepro/tilepro.h: New file.
883 * config/tilepro/tilepro.md: New file.
884 * config/tilepro/tilepro.opt: New file.
886 2012-02-14 Jakub Jelinek <jakub@redhat.com>
888 PR tree-optimization/52210
889 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
890 vect_model_simple_cost with two entry vect_def_type array instead
893 2012-02-14 Richard Guenther <rguenther@suse.de>
896 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
897 Do not stream DECL_QUALIFIER.
898 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
899 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
900 (find_decls_types_r): Do not walk DECL_QUALIFIER.
902 2012-02-14 Jakub Jelinek <jakub@redhat.com>
905 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
908 2012-02-13 Jakub Jelinek <jakub@redhat.com>
911 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
912 * cselib.c (cselib_subst_to_values_from_insn): New function.
913 * sched-deps.c (add_insn_mem_dependence,
914 sched_analyze_1, sched_analyze_2): Use it.
916 2012-02-13 Jan Hubicka <jh@suse.cz>
919 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
921 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
923 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
924 (GTM_SELF_SPECS): Define if not already defined.
925 (driver_self_specs): Add GTM_SELF_SPECS.
926 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
927 (GTM_SELF_SPECS): Define.
928 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
929 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
931 2012-02-13 Jakub Jelinek <jakub@redhat.com>
933 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
936 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
939 * omp-low.c (expand_omp_for): If a static schedule without chunk size
940 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
942 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
945 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
947 2012-02-13 Richard Guenther <rguenther@suse.de>
950 * passes.c (enable_disable_pass): Fix typo.
952 2012-02-13 Jakub Jelinek <jakub@redhat.com>
955 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
956 XOR for reduce_bit_field if type is unsigned.
958 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
960 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
961 disallow changes from SFmode to mode with different size in FP regs.
963 2012-02-12 Robert Millan <rmh@gnu.org>
964 Gerald Pfeifer <gerald@pfeifer.com>
966 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
969 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
971 PR rtl-optimization/52175
972 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
973 to frame-related instructions.
975 2012-02-10 Jason Merrill <jason@redhat.com>
978 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
979 (demangle_new_symbols): Fill it.
980 (scan_linker_output): Walk it.
981 (start_tweaking): Split out from scan_linker_output.
982 (maybe_tweak): Update sym->chosen.
983 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
985 2012-02-11 Jakub Jelinek <jakub@redhat.com>
988 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
990 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
992 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
993 having the same mode as previous compare.
995 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
997 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
998 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
999 (nonlocal_goto_internal): Likewise.
1000 (nonlocal_goto): Emit a use and an indirect jump directly.
1002 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1005 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1006 __atomic_{is,always}_lock_free.
1008 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1011 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1012 negative constant address for x32.
1014 2012-02-10 Richard Henderson <rth@redhat.com>
1016 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1017 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1018 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1020 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1021 Ira Rosen <irar@il.ibm.com>
1023 PR tree-optimization/50031
1024 * targhooks.c (default_builtin_vectorization_cost): Handle
1026 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1027 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1028 all types of reduction and pattern statements.
1029 (vect_estimate_min_profitable_iters): Likewise.
1030 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1031 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1032 for explicit realigns.
1033 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1034 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1036 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1037 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1038 vec_perm for VSX and handle vec_promote_demote.
1040 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1043 * builtins.c (fold_builtin_atomic_always_lock_free,
1044 expand_builtin_atomic_always_lock_free,
1045 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1046 Return and/or test boolean_true_node/boolean_false_node instead of
1047 integer_one_node/integer_zero_node.
1049 2012-02-10 Jan Hubicka <jh@suse.cz>
1052 * predict.c (predict_paths_for_bb): Prevent looping.
1053 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1055 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1057 * config/arm/arm.c (output_move_double): In one case properly
1058 count number of instructions that will be emitted.
1060 2012-02-10 Richard Guenther <rguenther@suse.de>
1062 PR translation/52193
1063 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1065 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1068 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1070 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1073 * var-tracking.c (emit_note_insn_var_location): If
1074 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1075 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1076 non-NOTE_DURING_CALL_P insn.
1078 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1081 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1083 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1086 * gcc.c (switch_matches) Support switches with separated form,
1089 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1091 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1093 (RAMPZ_ADDR): Ditto.
1094 * config/avr/avr.c (avr_addr_t): New typedef.
1095 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1096 (avr_init_expanders): Initialize it.
1097 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1099 (expand_epilogue): Ditto.
1100 (avr_print_operand): Ditto.
1101 (avr_file_start): Ditto.
1102 (avr_emit_movmemhi): Ditto.
1104 2012-02-08 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/46886
1107 * tree-flow.h (do_while_loop_p): Declare.
1108 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1109 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1111 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1113 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1114 always succeed for integers larger than a native word.
1116 2012-02-08 Richard Guenther <rguenther@suse.de>
1118 PR rtl-optimization/52170
1119 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1120 properly handle integer vector modes.
1122 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1124 PR gcov-profile/52150
1125 * coverage.c: Include target.h.
1126 (build_var): Call targetm.strip_name_encoding on the assembler name.
1127 Change one _ into . or $ if the target allows it.
1128 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1130 PR rtl-optimization/52139
1131 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1132 is a BARRIER after emit_insn_after_noloc, move BB_END
1133 to the last non-BARRIER insn before it.
1135 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1138 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1139 (mips_gimplify_va_arg_expr): Call it instead of
1140 std_gimplify_va_arg_expr.
1142 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1144 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1145 message for -mno-pointers-to-nested-function.
1147 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1150 * expr.c (get_inner_reference): If there is an offset, add a negative
1151 bit position to it (if any).
1153 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1155 PR rtl-optimization/52060
1156 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1157 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1158 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1159 and/or i0src_copy2 when needed.
1161 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1163 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1164 or LTOPLUGINSONAME if have_c.
1166 * config/freebsd-spec.h: Add comment about what macros can be defined
1168 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1169 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1172 2012-02-07 Richard Guenther <rguenther@suse.de>
1174 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1175 newline in -alias dumps.
1177 2012-02-07 Kai Tietz <ktietz@redhat.com>
1178 Dave Korn <dave.korn.cygwin@gmail.com>
1181 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1182 Take care that typinfo gets dllexport-attribute.
1184 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1187 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1188 if modifier < EXPAND_SUM call force_operand on the result.
1190 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1192 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1193 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1195 (epiphany_function_type): Replace types for specific interrupts with
1196 EPIPHANY_FUNCTION_INTERRUPT.
1197 (EPIPHANY_INTERRUPT_P): Update.
1198 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1199 New static function.
1200 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1201 <disinterrupt>: Affects type identity.
1202 (epiphany_handle_interrupt_attribute): Handle variable number of
1204 (epiphany_compute_function_type): Update for new
1205 epiphany_function_type definition.
1206 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1207 handlers with a longcall forwarder.
1208 (epiphany_start_function): Handle multiple interrupt arguments and/or
1209 forwarder_section attribute.
1211 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1214 2012-02-07 Alan Modra <amodra@gmail.com>
1217 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1220 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1222 PR tree-optimization/50969
1223 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1224 use vec_perm rather than vector_stmt.
1225 (vect_model_load_cost): Likewise.
1226 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1227 vec_perm to be the same as other vector statements.
1228 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1229 cost of vec_perm for TARGET_VSX.
1231 2012-02-06 Richard Guenther <rguenther@suse.de>
1233 PR tree-optimization/52115
1234 * tree-sra.c (access_has_replacements_p): New function.
1235 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1237 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1240 * trans-mem.c (expand_call_tm): Add an assertion.
1241 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1244 2012-02-06 Richard Guenther <rguenther@suse.de>
1246 PR tree-optimization/50955
1247 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1248 raise cost of expressions that replace an address with an
1249 expression based on a different pointer.
1251 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1254 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1255 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1257 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1260 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1261 -Weffc++ and specify guidelines come from second edition.
1263 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1265 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1266 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1267 (call_direct_split, call_value_split, call_value_internal_direct)
1268 (call_value_direct_split, call_value_multiple_split): Use jal and
1269 jal_macro attributes.
1271 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1273 * reload1.c (reload_regs_reach_end_p): Replace with...
1274 (reload_reg_rtx_reaches_end_p): ...this function.
1275 (new_spill_reg_store): Update commentary.
1276 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1277 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1278 before setting new_spill_reg_store.
1279 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1280 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1281 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1282 for non-spill reload registers.
1284 2012-02-05 Ira Rosen <irar@il.ibm.com>
1286 PR tree-optimization/52091
1287 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1288 (vect_is_simple_use_1): Likewise.
1289 * tree-vect-loop.c (vectorizable_reduction): Update calls
1290 to vect_is_simple_use_1 and vect_is_simple_use.
1291 (vectorizable_live_operation): Likewise.
1292 * tree-vect-patterns.c (widened_name_p,
1293 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1294 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1295 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1296 vectorizable_shift,vectorizable_operation, vectorizable_store,
1297 vectorizable_load): Likewise.
1298 (vect_is_simple_cond): Add an argument, pass it to
1299 vect_is_simple_use_1.
1300 (vectorizable_condition): Update calls to vect_is_simple_cond,
1302 (vect_is_simple_use): Add an argument, the statement in which
1303 OPERAND is used. Check that if OPERAND's def stmt is a double
1304 reduction phi node, the use is a phi node too.
1305 (vect_is_simple_use_1): Add an argument, pass it to
1307 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1308 to vect_is_simple_use.
1310 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1312 PR rtl-optimization/52095
1313 * modulo-sched.c (dump_insn_locator): New function.
1314 (loop_canon_p, sms_schedule): Use it.
1316 PR rtl-optimization/52113
1317 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1318 even for decomposable shift/zext insns.
1320 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1321 Zdenek Dvorak <ook@ucw.cz>
1323 PR rtl-optimization/52092
1324 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1325 on get_iv_value result.
1327 2012-02-02 Andrew Pinski <apinski@cavium.com>
1331 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1333 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1336 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1338 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1340 PR rtl-optimization/49800
1341 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1342 (sched_finish): Call regstat_free_n_sets_and_refs.
1344 2012-02-02 Jia Liu <proljc@gmail.com>
1346 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1349 2012-02-02 Jan Hubicka <jh@suse.cz>
1350 Tom de Vries <tom@codesourcery.com>
1353 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1354 * varpool.c (varpool_analyze_pending_decls): Likewise.
1356 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1357 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1359 * config.gcc: Add cr16-* support.
1361 * doc/extend.texi: Document cr16 extensions.
1362 * doc/install.texi: Document cr16 install.
1363 * doc/invoke.texi: Document cr16 options.
1364 * doc/md.texi: Document cr16 constraints.
1366 * common/config/cr16/cr16-common.c: New file.
1367 * config/cr16/cr16.c: New file.
1368 * config/cr16/cr16.h: New file.
1369 * config/cr16/cr16.md: New file.
1370 * config/cr16/cr16.opt: New file.
1371 * config/cr16/cr16-protos.h: New file.
1372 * config/cr16/predicates.md: New file.
1373 * config/cr16/constraints.md: New file.
1374 * config/cr16/t-cr16: New file.
1376 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1379 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1380 that operands[2] is either immediate, or q_regs_operand.
1382 PR tree-optimization/52073
1383 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1384 a pattern stmt for pattern uses, ignore uses outside of the loop.
1386 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1388 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1389 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1390 (OUT_AS1, OUT_AS2): Remove.
1392 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1394 PR rtl-optimization/51374
1395 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1396 to cross other volatile_refs_p insns.
1398 2012-02-01 Richard Guenther <rguenther@suse.de>
1400 * doc/invoke.texi (fno-inline): Clarify documentation.
1401 (finline-small-functions): Likewise.
1402 (finline-functions): Likewise.
1403 * common.opt (finline): Adjust comment and documentation.
1404 (finline-small-functions): Clarify documentation.
1405 (finline-functions): Likewise.
1406 (finline-functions-called-once): Likewise.
1408 2012-02-01 Tristan Gingold <gingold@adacore.com>
1410 * c-typeck.c (composite_type): Keep mode for pointers.
1412 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1414 * function.h (regno_reg_rtx): Adjust comment.
1415 * reginfo.c (init_reg_modes_target): Only use the previous mode
1416 if it fits within one register. Remove MIPS comment.
1418 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1421 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1423 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1425 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1426 to srak instruction.
1428 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1430 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1432 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1437 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1439 2012-01-31 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/51528
1442 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1445 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1450 * ree.c (add_removable_extension): Change def_map argument
1451 to unsigned *, store in def_map 1 + offset into *insn_list vector
1452 instead of pointers into the vector.
1453 (find_removable_extensions): Adjust caller.
1455 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1457 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1458 Transform all "* quoted-c-code" to { c-code }.
1459 Remove redundant test for "optimize" in combine patterns.
1460 Move (include "avr-dimode.md") to end of file.
1462 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1465 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1466 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1468 2012-01-30 Richard Guenther <rguenther@suse.de>
1470 PR tree-optimization/52028
1471 * tree-loop-distribution.c (ldist_gen): Properly update
1474 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1477 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1478 set_cur_line_info_table if not emitting debug info.
1480 PR tree-optimization/52046
1481 * tree-vect-patterns.c (check_bool_pattern): Give up if
1482 a comparison could throw.
1485 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1487 2012-01-30 Richard Guenther <rguenther@suse.de>
1489 PR tree-optimization/52045
1490 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1491 SSA form if cfgcleanup did anything.
1493 2012-01-30 Richard Guenther <rguenther@suse.de>
1495 PR tree-optimization/52045
1496 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1497 before computing final todo.
1499 2012-01-30 Richard Guenther <rguenther@suse.de>
1501 PR tree-optimization/51528
1502 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1505 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1507 * df-problems.c (df_kill_notes): Check that the use refers
1508 to the note under examination.
1510 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1513 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1514 parameter and use short-lived pseudos.
1515 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1516 (sparc_expand_vector_init): Const-ify local variables and adjust
1517 calls to above functions.
1519 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1521 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1523 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1525 * doc/invoke.texi: Make usage of "compile time" and
1526 "run time"/"runtime" consistent throughout the file.
1528 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1530 * config/alpha/alpha.c (alpha_option_override): Default to
1531 full IEEE compliance mode for Go language.
1533 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1535 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1536 (LINK_SSP_SPEC): Define.
1538 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1541 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1544 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1546 * doc/invoke.texi: Correct hyphenation of "floating point",
1547 "double precision", and related terminology throughout the file.
1549 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1552 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1553 arm_general_register_operand predicate for operand 2 instead of
1556 2012-01-27 Ian Lance Taylor <iant@google.com>
1559 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1560 * builtins.c (expand_builtin_init_trampoline): Add onstack
1561 parameter. Change caller.
1562 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1563 * tree.c (build_common_builtin_nodes): Declare
1564 __builtin_init_heap_trampoline.
1566 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1568 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1569 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1570 * config/avr/avr.c: Ditto.
1571 (avr_regnames): Remove because unused.
1572 * config/avr/avr.md (*cpse.ne): New peephole.
1573 (*cpse.eq): New peephole from former cpse peepholes.
1575 2012-01-27 Michael Eager <eager@eagercon.com>
1577 * config/microblaze.c (microblaze_emit_compare): Correct
1578 test after pcmp instruction.
1580 2012-01-27 Richard Guenther <rguenther@suse.de>
1582 PR tree-optimization/52020
1583 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1585 2012-01-27 Richard Guenther <rguenther@suse.de>
1587 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1588 function non-const/pure.
1590 2012-01-27 Richard Guenther <rguenther@suse.de>
1592 PR tree-optimization/50444
1593 * tree-sra.c (build_ref_for_offset): Properly adjust the
1594 MEM_REF type for unaligned accesses.
1596 2012-01-27 Richard Guenther <rguenther@suse.de>
1598 PR tree-optimization/50444
1599 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1600 (expand_assignment): Use it. Properly handle misaligned
1601 bases when expanding stores to component references.
1602 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1605 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1608 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1609 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1610 * tree-data-ref.c (find_data_references_in_loop): Make static.
1611 (compute_all_dependences): Change return type to bool. Bail out
1612 for too many datarefs in a loop. Move the hunk resetting the data
1613 dependences vector from ...
1614 (compute_data_dependences_for_loop): ... here. Account for
1615 compute_all_dependences returning false.
1616 (compute_data_dependences_for_bb): Likewise.
1617 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1618 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1620 2012-01-27 Richard Guenther <rguenther@suse.de>
1623 * expr.c (store_field): Use the alias-set of the scratch memory
1626 2012-01-27 Tom de Vries <tom@codesourcery.com>
1628 PR tree-optimization/51990
1629 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1631 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1633 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1636 * var-tracking.c (reverse_op): Don't add any reverse operation
1637 if V already has any constant locations.
1639 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1641 * doc/invoke.texi: Correct usage of "command line" (noun)
1642 vs "command-line" (adjective) throughout.
1644 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1646 * doc/invoke.texi (Language Independent Options): Move
1647 -Wcoverage-mismatch blurb from here....
1648 (Warning Options): ...to here.
1650 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1652 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1653 Set rs6000_always_hint to false for 476.
1655 2012-01-27 Matthias Klose <doko@ubuntu.com>
1657 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1659 * incpath.c (add_standard_paths): Likewise.
1661 2012-01-27 Richard Henderson <rth@redhat.com>
1663 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1664 * config/m68k/sync.md (atomic_test_and_set): Rename from
1665 sync_test_and_setqi and adjust the operands.
1666 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1667 and unconditionally enable.
1669 2012-01-27 Richard Henderson <rth@redhat.com>
1671 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1672 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1673 (ldstub): Rename from ldstubqi.
1674 (ldstub<I24MODE>): Remove.
1676 2012-01-27 Richard Henderson <rth@redhat.com>
1678 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1679 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1680 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1681 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1682 * doc/tm.texi: Rebuild.
1684 2012-01-27 Richard Henderson <rth@redhat.com>
1686 * optabs.c (gen_atomic_test_and_set): Remove default.
1687 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1689 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1691 PR rtl-optimization/51978
1692 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1693 (combine_reaching_defs): Likewise.
1694 (struct re_info): Remove.
1695 (add_removable_extension): Remove x and data arguments,
1696 add insn, insn_list and def_map. Use the arguments directly
1697 instead of using struct re_info.
1698 (find_removable_extensions): Don't call add_removable_extension
1699 through note_stores, instead just call it with single_set
1701 (find_and_remove_re): Pass curr_cand->expr instead of
1702 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1704 2012-01-26 Michael Matz <matz@suse.de>
1706 PR tree-optimization/46590
1707 * cfgexpand.c: Revert last change (r183305).
1708 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1710 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1711 checking for emptiness.
1713 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1716 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1717 non-addressable non-BLKmode base correctly.
1719 2012-01-26 Michael Matz <matz@suse.de>
1721 PR tree-optimization/48794
1722 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1723 regions referenced from RESX/EH_DISPATCH.
1725 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1727 * config/s390/s390.h: Make BRANCH_COST an option.
1728 * config/s390/s390.opt: New option -mbranch-cost.
1730 2012-01-26 Richard Henderson <rth@redhat.com>
1732 Revert 2012-01-24 change:
1733 * trans-mem.c (requires_barrier): Do not instrument thread local
1734 variables and emit save/restore for them.
1736 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1739 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1742 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1744 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1747 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1750 Rename __pgm to __flash.
1751 Rename __pgm1 to __flash1.
1752 Rename __pgm2 to __flash2.
1753 Rename __pgm3 to __flash3.
1754 Rename __pgm4 to __flash4.
1755 Rename __pgm5 to __flash5.
1756 Rename __pgmx to __memx.
1757 * doc/extend.texi (AVR Named Address Spaces)
1758 Rename address space names as indicated above.
1759 * config/avr/avr.c (avr_addrspace): Ditto.
1761 * config/avr/avr-protos.h
1762 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1763 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1764 * config/avr/predicates.md: Ditto.
1765 * config/avr/avr.c Ditto, and
1766 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1767 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1769 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1770 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1771 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1772 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1773 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1774 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1775 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1776 * config/avr/avr.c: Ditto.
1777 * config/avr/avr.md: Ditto.
1779 2012-01-25 Jason Merrill <jason@redhat.com>
1782 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1784 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1786 PR tree-optimization/51987
1787 * tree-data-ref.c (get_references_in_stmt): Handle references in
1788 non-volatile GIMPLE_ASM.
1790 2012-01-25 Richard Guenther <rguenther@suse.de>
1792 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1793 bases are dereferenced.
1795 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1797 PR rtl-optimization/48374
1798 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1800 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1802 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1803 compute_data_dependences_for_loop returns false.
1804 * tree-parloops.c (loop_parallel_p): Likewise.
1806 2012-01-25 Richard Guenther <rguenther@suse.de>
1808 * tree.h (get_pointer_alignment_1): Declare.
1809 * builtins.c (get_pointer_alignment_1): New function.
1810 (get_pointer_alignment): Use it.
1812 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1814 PR rtl-optimization/48308
1815 * combine.c (enum undo_kind): Add UNDO_LINKS.
1816 (struct undo): Add member l to other_contents and where.
1817 (do_SUBST_LINK): New.
1819 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1820 (undo_all): Handle UNDO_LINKS.
1822 2012-01-25 Richard Henderson <rth@redhat.com>
1824 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1827 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1829 * optabs.c (gen_atomic_test_and_set): Use each argument.
1831 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1833 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1834 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1835 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1836 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1837 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1838 TARGET_PAIRED_SINGLE_FLOAT.
1840 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1842 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1843 (in_struct, return_val): Remove MEM documentation.
1844 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1845 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1846 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1848 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1849 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1850 * expr.c (store_field): Likewise.
1851 * function.c (assign_stack_temp_for_type): Likewise.
1852 * ifcvt.c (noce_try_cmove_arith): Likewise.
1853 * reload1.c (reload): Likewise.
1854 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1855 (alpha_set_memflags): Likewise.
1856 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1858 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1860 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1862 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1863 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1864 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1866 * cselib.c (cselib_rtx_varies_p): Delete.
1867 (cselib_invalidate_mem): Update call to canon_true_dependence.
1868 * dse.c (record_store, check_mem_read_rtx): Likewise.
1869 (scan_reads_nospill): Likewise.
1870 * cse.c (check_dependence): Likewise.
1871 (cse_rtx_varies_p): Delete.
1872 * expr.c (safe_from_p): Update call to true_dependence.
1873 * ira.c (validate_equiv_mem_from_store): Likewise.
1874 (memref_referenced_p): Likewise.
1875 * postreload-gcse.c (find_mem_conflicts): Likewise.
1876 * sched-deps.c (sched_analyze_2): Likewise.
1877 * store-motion.c (load_kills_store): Likewise.
1878 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1879 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1880 (compute_transp): Update call to canon_true_dependence.
1882 2012-01-25 Richard Henderson <rth@redhat.com>
1884 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1885 (maybe_emit_atomic_test_and_set): New.
1886 (expand_sync_lock_test_and_set): Use it.
1887 (expand_atomic_test_and_set): Likewise.
1888 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1889 the implementation; clarify implementation defined details.
1890 * doc/md.texi (atomic_test_and_set): Document.
1892 2012-01-25 Richard Henderson <rth@redhat.com>
1894 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1896 2012-01-25 Richard Henderson <rth@redhat.com>
1899 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1900 to effect no-op split.
1902 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1905 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1906 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1907 (BT_FN_VOID_PTR_INT_SIZE): New.
1908 (BT_FN_UINT_UINT_VAR): Remove.
1909 (BT_FN_UINT32_UINT32_VAR): New.
1910 (BT_FN_DOUBLE_VPTR): Remove.
1911 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1913 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1914 (_ITM_changeTransactionMode): Same.
1915 (_ITM_memmoveRtWt): Change return type to void.
1916 (_ITM_memcpyRtWt): Same.
1917 (_ITM_memsetW): Same.
1918 (_ITM_RaRD): Change types to double.
1923 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1925 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1926 Patrick Marlier <patrick.marlier@gmail.com>
1928 * trans-mem.c (requires_barrier): Do not instrument thread local
1929 variables and emit save/restore for them.
1931 2012-01-24 Jason Merrill <jason@redhat.com>
1934 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1935 output static aliases.
1937 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1940 * common.opt (-pie, -shared, pie, shared): Change from Common to
1942 * gcc.c (display_help): Display help for -pie and -shared.
1944 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1947 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1948 Remove note on size/offset limitation.
1949 (AVR Variable Attributes): Add example how to read data located
1950 with progmem. Refer to named address spaces.
1951 * doc/invoke.texi (AVR Options): Fix typo.
1953 2012-01-24 Richard Guenther <rguenther@suse.de>
1955 Forward-port to trunk
1956 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1959 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1960 op0 isn't sufficiently aligned and there is movmisalignM
1961 insn for mode, use it to load op0 into a temporary register.
1963 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1966 * target.def (const_not_ok_for_debug_p): New hook.
1967 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1969 * doc/tm.texi: Regenerated.
1970 * dwarf2out.c (const_ok_for_output_1): If
1971 targetm.const_not_ok_for_debug_p returns true, fail.
1972 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1974 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1976 2012-01-23 Kai Tietz <ktietz@redhat.com>
1979 * config/i386/predicates.md (symbolic_operand): Allow
1980 UNSPEC_PCREL as PIC expression for lea.
1981 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1982 * config/i386/i386.c (ix86_delegitimize_address): Handle
1983 UNSPEC_PCREL for none-MEM, too.
1985 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1987 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1988 (ipa_tm_create_version_alias): Same.
1990 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1993 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1994 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1996 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1997 Patrick Marlier <patrick.marlier@gmail.com>
1998 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2001 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2002 simple_object_start_read.
2004 2012-01-23 Richard Guenther <rguenther@suse.de>
2007 PR tree-optimization/51895
2008 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2009 parameter decomposition into BLKmode components.
2011 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2013 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2014 fake variables for restrict-qualified pointers whose pointed-to type
2015 contains a placeholder.
2017 2012-01-23 Richard Guenther <rguenther@suse.de>
2019 PR tree-optimization/51949
2020 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2022 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2024 PR rtl-optimization/51933
2025 * ree.c (transform_ifelse): Return true right away if dstreg is
2026 already wider or equal to cand->mode.
2027 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2028 (make_defs_and_copies_lists): Remove defs_list and copies_list
2029 arguments, add state argument, just truncate state->work_list
2030 instead of always allocating and freeing the vector. Assert that
2031 get_defs succeeds instead of returning 2. Changed return type to bool.
2032 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2033 have ext_src_mode, see if it has been modified already with the
2034 right kind of extension and has been extended before from the
2035 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2036 just return true. Remember the original mode in state->modified array.
2037 (combine_reaching_defs): Add state argument. Don't allocate and
2038 free here def_list, copied_list and vec vectors, instead just
2039 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2040 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2041 Add state variable, clear vectors in it, initialize state.modified
2042 if needed. Free all the vectors at the end and state.modified too.
2043 Don't skip a candidate if the extension expression has been modified.
2045 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2048 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2049 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2050 (extra_options) interix.opt -> i386/interix.opt"
2051 (extra_objs):Add winnt-stubs.o
2052 * configure.ac: Add interix to target_os .comm on PE check.
2053 * configure: Regenerate.
2054 * config/interix3.h: Delete and move bits to..
2055 * config/interix.h: Delete and move bits to..
2056 * config/i386/i386-interix3.h: Delete and move bits to..
2057 * config/i386/i386-interix.h: ..here.
2058 (TARGET_CPU_DEFAULT): Remove redefinition.
2059 (TARGET_ASM_CONSTRUCTOR): Undefine.
2060 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2061 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2062 (PTRDIFF_TYPE): Define.
2063 (LONG_DOUBLE_TYPE_SIZE): Define.
2064 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2065 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2066 (TARGET_SECTION_TYPE_FLAGS): Define.
2067 (ASM_DECLARE_FUNCTION_NAME): Define.
2068 (ASM_OUTPUT_EXTERNAL): Define.
2069 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2070 (ASM_OUTPUT_ALIGNED_BSS): Define.
2071 (PCC_BITFIELD_TYPE_MATTERS): Define.
2072 (USE_CONST_SECTION): Define.
2073 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2074 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2075 (SUPPORTS_ONE_ONLY): Remove.
2076 (I386_PE_STRIP_ENCODING): Define.
2077 * config/interix.opt: Delete and move bits to..
2078 * config/i386/interix.opt: ..here. New.
2079 (mpe-aligned-commons): Add.
2080 * config/i386/t-interix: Add copyright header.
2081 (winnt-stubs.o): Add rule.
2083 2012-01-22 Jason Merrill <jason@redhat.com>
2086 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2087 for extra name aliases.
2089 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2091 PR rtl-optimization/51924
2092 * ree.c (combine_set_extension): Improve debugging message.
2093 (combine_reaching_defs): Likewise.
2094 (get_defs): Rename confusingly named variable.
2095 (find_and_remove_re): Skip a candidate if the extension expression has
2098 2012-01-21 Robert Millan <rmh@gnu.org>
2099 Gerald Pfeifer <gerald@pfeifer.com>
2101 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2102 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2104 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2106 PR tree-optimization/51914
2107 * tree-vect-stmts.c (vectorizable_conversion): For
2108 cvt_type && modifier == WIDEN, put temporary with cvt_type
2109 at the beginning of vec_dsts and set vec_dest to temporary
2112 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2114 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2116 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2118 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2119 * config/rs6000/rs6000.c: Likewise.
2121 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2124 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2125 output_move_double on a copy of operands array.
2127 2012-01-20 Cary Coutant <ccoutant@google.com>
2128 Dodji Seketeli <dodji@redhat.com>
2131 * dwarf2out.c (copy_declaration_context): Return ref to parent
2132 of declaration DIE, if necessary.
2133 (remove_child_or_replace_with_skeleton): Add new parameter; update
2134 caller. Place skeleton DIE under parent DIE of original declaration.
2135 Move call to copy_declaration_context to here ...
2136 (break_out_comdat_types): ... from here.
2138 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2140 PR rtl-optimization/51856
2141 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2144 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2147 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2148 hints for neon loads and stores.
2150 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2154 * doc/extend.texi (Named Address Spaces): Split into subsections.
2155 (AVR Named Address Spaces): New subsection.
2156 (M32C Named Address Spaces): New subsection.
2157 (RL78 Named Address Spaces): New subsection.
2158 (SPU Named Address Spaces): New subsection.
2159 (Variable Attributes): New anchor "AVR Variable Attributes".
2160 (AVR Variable Attributes): Rewrite and avoid wording
2161 "address space" in this context.
2162 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2163 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2164 (AVR Built-in Macros): New subsubsection therein.
2165 * doc/md.texi (AVR constraints): Remove "C04", "R".
2167 2012-01-20 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/51903
2170 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2171 when removing stmts.
2173 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2176 * config/arm/arm.c (arm_load_pic_register): Use
2177 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2178 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2179 (arm_pic_static_addr): Likewise.
2180 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2181 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2182 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2183 (pic_load_addr_unified): New.
2185 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2188 * function.c (instantiate_virtual_regs_in_insn): Use
2189 delete_insn_and_edges when removing a wrong asm insn.
2191 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2193 PR rtl-optimization/40761
2194 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2195 Add new member loop_num.
2196 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2197 (ira_build): Remove the parameter.
2199 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2200 (ira.c): Do not build CFG loops for one region allocation. Remove
2201 argument from ira_build call.
2203 * ira-build.c (init_loop_tree_node): New function.
2204 (create_loop_tree_nodes): Use it. Separate the case when CFG
2205 loops are not built.
2206 (more_one_region_p): Check current_loops.
2207 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2209 (add_loop_to_tree): Process loop equal to NULL too.
2210 (form_loop_tree): Separate the case when CFG loops are not built.
2211 Use explicitly number for the root.
2212 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2214 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2215 instead of loop->num.
2216 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2217 (mark_all_loops_for_removal): Ditto.
2218 (remove_unnecessary_regions): Separate the case when CFG loops
2220 (ira_build): Remove the parameter. Use explicit number of regions
2221 when CFG loops are not built.
2223 * ira-color.c (print_loop_title): Separate the case for the root node.
2224 Use loop_num instead of loop->num.
2225 (move_spill_restore): Use loop_num instead of loop->num.
2227 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2228 (change_loop): Ditto.
2229 (change_loop): Use loop_num instead of loop->num.
2231 * ira-lives.c (process_bb_node_lives): Ditto.
2233 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2235 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2237 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2240 * tree-mudflap.c (mf_artificial): New function.
2241 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2242 mx_register_decls, mudflap_enqueue_decl): Use it.
2245 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2246 numbers in the insn pattern.
2248 2012-01-19 Michael Matz <matz@suse.de>
2250 PR tree-optimization/46590
2251 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2252 use it in remembering which conflicts we already created.
2253 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2256 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2259 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2260 (merge_and_complain): Same.
2262 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2265 * config/initfini-array.h: Guard content of the header
2266 with #ifdef HAVE_INITFINI_ARRAY.
2267 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2268 Add initfini-array.h to tm_file here.
2269 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2270 * config.gcc: Don't add initfini-array.h to tm_file here.
2271 * configure: Regenerated.
2273 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2275 PR rtl-optimization/51505
2276 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2277 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2278 (df_note_bb_compute): Update the call to df_kill_notes.
2280 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2282 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2284 2012-01-18 Richard Guenther <rguenther@suse.de>
2286 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2287 of conversions to void *.
2289 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2290 Richard Sandiford <rdsandiford@googlemail.com>
2294 * optabs.h (simplify_expand_binop): Declare.
2295 * optabs.c (simplify_expand_binop): Make global.
2296 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2297 endian targets if the source cannot be exactly covered by word
2300 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2303 * hard-reg-set.h (struct hard_reg_set_container): New type.
2304 * target.h (struct hard_reg_set_container): Forward declare.
2305 * target.def (set_up_by_prologue): New target hook.
2306 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2307 * doc/tm.texi: Regenerated.
2308 * function.c (thread_prologue_and_epilogue_insns): Change
2309 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2310 Call targetm.set_up_by_prologue on it.
2311 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2312 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2314 2012-01-17 Nick Clifton <nickc@redhat.com>
2316 * config/rx/rx.c (rx_can_use_simple_return): New function.
2317 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2318 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2320 2012-01-17 Richard Guenther <rguenther@suse.de>
2323 * expr.c (expand_assignment): Take address-space information
2324 from the address operand of MEM_REF and TARGET_MEM_REF.
2325 (expand_expr_real_1): Likewise.
2327 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2329 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2330 reload dump is requested.
2332 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2335 * trans-mem.c (requires_barrier): Call may_be_aliased.
2337 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2339 PR tree-optimization/51877
2340 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2341 call arguments and fndecls compare equal, instead return false if they
2342 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2343 both SSA_NAMEs that are valueized the same, or they satisfy
2346 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2348 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2350 * configure: Regenerate.
2352 2012-01-16 Jan Hubicka <jh@suse.cz>
2356 * convert.c (convert_to_integer): Use fold_convert for
2357 converting an INTEGER_CST to integer type.
2359 2012-01-16 Jason Merrill <jason@redhat.com>
2362 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2364 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2367 * config/s390/s390.c (s390_chunkify_start): Don't skip
2368 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2369 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2370 If insn is followed by NOTE_INSN_VAR_LOCATION or
2371 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2372 Don't use location of note insns.
2374 PR tree-optimization/51865
2375 * tree-inline.c (tree_function_versioning): Call remap_decl
2376 on DECL_RESULT whenever it has VOID_TYPE_P type.
2378 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2380 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2381 for calls to locally-binding MIPS16 functions if only the return
2382 type uses float regs.
2384 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2385 Richard Sandiford <rdsandiford@googlemail.com>
2387 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2388 (SYMBOL_32_HIGH): Likewise.
2389 (mips_output_tls_reloc_directive): Declare.
2390 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2391 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2392 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2393 (mips_lo_relocs, mips_hi_relocs): Make extern.
2394 (mips16_stub_function): Move up file.
2395 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2396 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2397 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2398 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2399 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2400 (mips_get_tp): Add MIPS16 support.
2401 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2402 Generalize DTPREL and TPREL handling.
2403 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2404 Add MIPS16 TLS support.
2405 (mips_output_tls_reloc_directive): New function.
2406 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2407 * config/mips/predicates.md (symbolic_operand_with_high)
2408 (tls_reloc_operand): New predicates.
2409 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2410 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2411 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2412 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2413 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2414 (*tls_get_tp_mips16_call_<mode>): Likewise.
2416 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2418 PR rtl-optimization/51821
2419 * recog.c (peep2_find_free_register): Determine clobbered registers
2422 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2425 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2426 * config/avr/avr.c: Likewise.
2427 * config/avr/avr.h: Likewise.
2429 2012-01-13 Ian Lance Taylor <iant@google.com>
2432 * tree.h (TYPE_QUALS): Add cast to int.
2433 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2435 2012-01-13 Ian Lance Taylor <iant@google.com>
2437 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2438 comparing param_index to VEC_length result.
2440 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2442 * c-decl.c: Do not include tree-mudflap.h
2443 * tree-optimize.c: Likewise.
2444 * Makefile.in: Update dependencies.
2446 2012-01-13 Richard Guenther <rguenther@suse.de>
2449 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2450 variable-sized result always use RSO.
2452 2012-01-12 DJ Delorie <dj@redhat.com>
2454 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2455 pointer type, not just the default pointer type.
2457 2012-01-09 Richard Henderson <rth@redhat.com>
2458 Denis Chertykov <chertykov@gmail.com>
2461 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2462 * config/avr/avr.c (avr_can_eliminate): Simplify.
2463 (avr_initial_elimination_offset): Likewise.
2464 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2465 (expand_epilogue): Likewise.
2466 (avr_legitimize_address): Gut.
2467 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2468 (avr_hard_regno_nregs): New.
2469 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2470 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2471 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2472 add soft frame pointer.
2473 (CALL_USED_REGISTERS): Likewise.
2474 (REG_CLASS_CONTENTS): Likewise.
2475 (REGISTER_NAMES): Likewise.
2476 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2477 (HARD_FRAME_POINTER_REGNUM): New.
2478 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2479 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2480 remove the HARD_FRAME_POINTER self-elimination.
2482 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2485 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2486 DECL_EXTERNAL when checking for initializers of progmem variables.
2488 2012-01-12 Ira Rosen <irar@il.ibm.com>
2490 PR tree-optimization/51799
2491 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2492 that the last operation is a type demotion.
2494 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2496 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2497 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2499 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2502 * combine.c (distribute_notes): If i3 is a noreturn call,
2503 allow old_size to be equal to args_size and make sure the
2504 noreturn call gets REG_ARGS_SIZE note.
2505 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2506 on noreturn calls even when the delta is 0.
2508 2012-01-11 Nathan Sidwell <nathan@acm.org>
2510 * gcov.c (STRING_SIZE): Remove.
2511 (generate_results): Erase annotations for source files with no
2512 coverage information.
2514 (output_lines): Use it.
2516 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2518 * gimple.h (gimplify_body): Remove first argument.
2519 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2520 pointer set here, instead just pass DATA to walk_tree.
2521 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2522 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2523 (unvisit_body): Likewise, but with unmark_visited.
2524 (gimplify_body): Remove BODY_P argument and adjust.
2525 (gimplify_function_tree): Adjust call to gimplify_body.
2526 * omp-low.c (finalize_task_copyfn): Likewise.
2528 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2530 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2531 (build_function_type_skip_args): Delete.
2532 * tree.c (build_function_type_skip_args): Make static and add
2533 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2534 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2535 pass it to build_function_type_skip_args.
2536 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2537 (tree_function_versioning): Likewise.
2538 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2539 build_function_decl_skip_args.
2540 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2541 and pass it to build_function_decl_skip_args/tree_function_versioning.
2542 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2543 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2544 * trans-mem.c (ipa_tm_create_version): Likewise.
2545 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2546 * tree-inline.c (declare_return_variable): Remove always-true test.
2547 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2548 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2549 * ipa-split.c (split_function): Skip the return value for the split
2550 part if it doesn't return.
2552 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2554 PR tree-optimization/49642
2555 * ipa-split.c (forbidden_dominators): New variable.
2556 (check_forbidden_calls): New function.
2557 (dominated_by_forbidden): Likewise.
2558 (consider_split): Check for forbidden dominators.
2559 (execute_split_functions): Initialize and free forbidden
2560 dominators info; call check_forbidden_calls.
2562 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2564 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2566 2012-01-11 Nick Clifton <nickc@redhat.com>
2568 * config/rx/rx.md (return): Define pattern.
2570 2012-01-11 Richard Guenther <rguenther@suse.de>
2572 * doc/extend.texi (malloc attribute): Adjust according to
2575 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2576 Patrick Marlier <patrick.marlier@gmail.com>
2579 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2580 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2581 (ipa_tm_note_irrevocable): Same.
2582 (ipa_tm_scan_irr_block): Same.
2583 (ipa_tm_decrement_clone_counts): Same.
2584 (ipa_tm_scan_irr_function): Same.
2585 (ipa_tm_create_version_alias): Same.
2586 (ipa_tm_create_version): Same.
2587 (ipa_tm_transform_calls_redirect): Same.
2588 (ipa_tm_transform_calls): Same.
2589 (ipa_tm_transform_transaction): Same.
2590 (ipa_tm_execute): Same.
2592 2012-01-10 Richard Guenther <rguenther@suse.de>
2595 * opts.c (common_handle_option): Handle -Werror.
2597 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2599 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2602 2012-01-10 Jason Merrill <jason@redhat.com>
2604 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2607 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2609 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2610 supports R_386_TLS_GD_PLT reloc.
2611 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2612 supports R_386_TLS_LDM_PLT reloc.
2613 * configure: Regenerate.
2614 * config.in: Regenerate.
2616 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2619 Extend __pgmx semantics to linearize memory.
2620 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2621 determine if code comes inline or from libgcc.
2622 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2623 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2624 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2625 (movmemx_qi, movmemx_hi): New insns.
2626 (xload_<mode>_libgcc): Rewrite to new insn condition.
2627 (xload_<mode>): Remove insns.
2628 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2629 cases that don't satisfy avr_xload_libgcc_p().
2630 (avr_addr_space_convert): Allow converting in any direction.
2631 (avr_addr_space_subset_p): Return always true.
2632 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2633 (avr_emit_movmemhi): Ditto.
2634 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2635 (avr_out_movmem): Ditto.
2636 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2637 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2638 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2639 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2640 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2642 2012-01-10 Richard Guenther <rguenther@suse.de>
2644 PR tree-optimization/50913
2645 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2646 Require data-refs to be representable by Graphite with respect
2649 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2651 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2652 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2654 2012-01-10 Tom de Vries <tom@codesourcery.com>
2656 PR rtl-optimization/51271
2657 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2658 handling annulled branch.
2660 2012-01-10 Richard Henderson <rth@redhat.com>
2662 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2663 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2664 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2665 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2666 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2667 arm_expand_vec_perm_const): New.
2668 * config/arm/arm-protos.h: Update.
2669 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2670 (*neon_vswp<VDQX>): New.
2671 (neon_vcombine<VDX>): Use neon_split_vcombine.
2672 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2673 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2674 (vec_perm<VE>): New.
2676 2012-01-10 Richard Henderson <rth@redhat.com>
2678 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2679 use it if reload_completed.
2680 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2681 arm_output_asm_insn, arm_process_output_memory_barrier,
2682 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2683 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2684 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2685 arm_process_output_sync_insn, arm_output_sync_insn,
2686 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2687 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2688 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2689 (emit_unlikely_jump): New.
2690 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2691 (arm_split_atomic_op): New.
2692 * config/arm/arm-protos.h: Update.
2693 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2694 (struct arm_sync_generator): Remove.
2695 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2696 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2697 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2698 (VUNSPEC_LL, VUNSPEC_SC): New.
2699 (sync_result, sync_memory, sync_required_value, sync_new_value,
2700 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2701 (attr length): Don't use arm_sync_loop_insns.
2702 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2703 (movsfcc, movdfcc): Likewise.
2704 * config/arm/constraints.md (Ua): New.
2705 * config/arm/prediates.md (mem_noofs_operand): New.
2706 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2707 (sync_clobber, sync_t2_reqd): Remove.
2708 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2709 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2710 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2711 (arm_sync_compare_and_swap<SIDI>): Remove.
2712 (arm_sync_compare_and_swap<NARROW>): Remove.
2713 (arm_sync_lock_test_and_set<SIDI>): Remove.
2714 (arm_sync_lock_test_and_set<NARROW>): Remove.
2715 (arm_sync_new_<syncop><SIDI>): Remove.
2716 (arm_sync_new_<syncop><NARROW>): Remove.
2717 (arm_sync_new_nand<SIDI>): Remove.
2718 (arm_sync_new_nand<NARROW>): Remove.
2719 (arm_sync_old_<syncop><SIDI>): Remove.
2720 (arm_sync_old_<syncop><NARROW>): Remove.
2721 (arm_sync_old_nand<SIDI>): Remove.
2722 (arm_sync_old_nand<NARROW>): Remove.
2723 (*memory_barrier): Merge arm_output_memory_barrier.
2724 (atomic_compare_and_swap<QHSD>): New.
2725 (atomic_compare_and_swap<NARROW>_1): New.
2726 (atomic_compare_and_swap<SIDI>_1): New.
2727 (atomic_exchange<QHSD>): New.
2728 (cas_cmp_operand, cas_cmp_str): New.
2729 (atomic_op_operand, atomic_op_str): New.
2730 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2731 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2732 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2733 (arm_load_exclusive<NARROW>): New.
2734 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2735 (arm_store_exclusive<QHSD>): New.
2737 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2739 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2740 reload patterns if -mvsx-scalar-memory.
2742 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2743 generated, even -mno-vsx-scalar-double was used.
2744 (vsx_xscvdpsp_scalar): Likewise.
2745 (vsx_xscvspdp_scalar2): Likewise.
2747 2012-01-09 Tom de Vries <tom@codesourcery.com>
2748 Andrew Pinski <apinski@cavium.com>
2751 * reorg.c (fill_slots_from_thread): Don't speculate
2752 frame-related insns.
2754 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2756 * sched-int.h (bb_note): Move to...
2757 * basic-block.h: ...here.
2758 * haifa-sched.c (bb_note): Move to...
2759 * cfgrtl.c: ...here.
2760 * function.c (next_block_for_reg): New function.
2761 (move_insn_for_shrink_wrap): Likewise.
2762 (prepare_shrink_wrap): Rewrite to use the above.
2764 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2766 * gimple.c (is_gimple_non_addressable): Remove.
2767 * gimple.h: Remove is_gimple_non_addressable.
2768 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2769 is_gimple_non_addressable.
2770 * trans-mem.c (expand_assign_tm): Same.
2772 2012-01-09 Richard Guenther <rguenther@suse.de>
2774 PR tree-optimization/51775
2775 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2776 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2778 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2780 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2782 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2784 2012-01-09 Richard Guenther <rguenther@suse.de>
2786 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2788 2012-01-08 Jan Hubicka <jh@suse.cz>
2790 PR tree-optimize/51680
2791 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2792 on when known_vals needs to be computed; cleanup.
2794 2012-01-08 Jan Hubicka <jh@suse.cz>
2796 PR tree-optimize/51694
2797 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2799 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2801 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2802 for -std=c++98 and -std=c++11 too.
2804 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2806 * cfgloop.c (cancel_loop): Add free() of bbs array.
2808 2012-01-07 Jan Hubicka <jh@suse.cz>
2810 PR tree-optimization/51600
2811 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2812 that benefits small functions.
2814 2012-01-07 Jan Hubicka <jh@suse.cz>
2816 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2818 2012-01-07 Jan Hubicka <jh@suse.cz>
2820 PR tree-optimization/51680
2821 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2822 whose inlining reduce unit size.
2824 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2827 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2828 Add canonical node to containing_mem chain after the non-canonical
2829 one, even if there weren't any locs to propagate.
2830 (remove_useless_values): Keep only canonical values.
2831 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2832 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2833 canonicalize mem_chain elements that are not discarded.
2835 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2838 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2839 before emitting functions.
2841 PR gcov-profile/50127
2842 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2843 clear_aux_for_blocks.
2845 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2848 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2850 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2852 * c-decl.c (ext_block): Moved up.
2853 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2855 2012-01-06 Han Shen <shenhan@google.com>
2857 Translate built-in include paths for sysroot.
2858 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2859 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2861 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2862 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2864 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2865 control whether sysroot should be prepended to gxx include dir.
2867 * configure: Regenerate.
2869 2012-01-06 Torvald Riegel <triegel@redhat.com>
2871 PR rtl-optimization/51771
2872 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2873 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2875 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2877 PR tree-optimization/51315
2878 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2879 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2881 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2884 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2885 for shrp pattern. Correctly handle and fixup shift variable.
2886 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2888 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2891 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2892 note when !ACCUMULATE_OUTGOING_ARGS.
2894 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2896 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2898 (extract_range_from_unary_expr_1): Avoid useless computations.
2900 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2902 PR rtl-optimization/51767
2903 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2904 of jump_block and add an extra edge for degenerated asm gotos.
2907 * stmt.c (check_unique_operand_names): Don't ICE during error
2908 reporting if i is from labels chain.
2911 * profile.c (branch_prob): Split bbs that have exit edge
2912 and need a fake entry edge too.
2914 2012-01-05 Jan Hubicka <jh@suse.cz>
2917 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2920 2012-01-05 Richard Guenther <rguenther@suse.de>
2923 * tree-streamer-out.c (write_ts_optimization): New function.
2924 (streamer_write_tree_body): Call it.
2925 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2926 (streamer_read_tree_body): Call it.
2927 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2929 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2932 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2933 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2934 in_cleanup_point_expr before gimplify_stmt call and restore it
2936 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2937 in_cleanup_point_expr is false.
2939 2012-01-05 Richard Guenther <rguenther@suse.de>
2942 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2944 * toplev.c (process_options): Reject combining mudflap and LTO.
2945 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2947 2012-01-05 Richard Guenther <rguenther@suse.de>
2949 PR tree-optimization/51760
2950 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2952 (bit_value_unop): Handle UNDEFINED operands.
2953 (bit_value_binop): Likewise.
2955 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2957 * config/avr/avr.c (avr_replace_prefix): Remove.
2958 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2959 (avr_asm_function_rodata_section): Ditto.
2960 (avr_asm_select_section): Ditto.
2962 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2964 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2967 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2970 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2971 calls that have any non-fake successor edges.
2974 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2976 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2978 PR tree-optimization/51624
2979 * tree-sra.c (build_ref_for_model): When replicating a chain of
2980 COMPONENT_REFs, stop as soon as the offset would become negative.
2982 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2985 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2986 in .debug_loc on the floor.
2988 2012-01-04 Andrew Pinski <apinski@cavium.com>
2990 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2992 2012-01-04 Andrew Pinski <apinski@cavium.com>
2993 Adam Nemet <anemet@caviumnetworks.com>
2995 * config/mips/mips.md (size): Add SI and DI.
2996 (SIZE): New mode attribute.
2997 (U): New code attribute.
2998 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2999 (mips_lbux_<mode>): Delete.
3000 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3001 (mips_lhx): Use gen_mips_lhx_extsi.
3002 (mips_lhx_<mode>): Delete.
3004 (mips_l<size>x): New expand.
3005 (mips_lwx_<mode>): Delete.
3006 (mips_l<GPR:size>x_<P:mode>): New pattern.
3007 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3008 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3009 * config/mips/mips.c (mips_lx_address_p): New function.
3010 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3011 (dsp64): New availability predicate.
3012 (mips_builtins): Add an entry for __builtin_mips_ldx.
3013 * config/mips/mips.h (ISA_HAS_LBX): New define.
3014 (ISA_HAS_LBUX): Likewise.
3015 (ISA_HAS_LHX): Likewise.
3016 (ISA_HAS_LHUX): Likewise.
3017 (ISA_HAS_LWX): Likewise.
3018 (ISA_HAS_LWUX): Likewise.
3019 (ISA_HAS_LDX): Likewise.
3020 * doc/extend.texi (__builtin_mips_ldx): Document.
3022 2012-01-04 Tristan Gingold <gingold@adacore.com>
3024 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3025 when long pointers are used.
3026 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3027 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3028 (ia64-hp-*vms*): Remove.
3029 * config/vms/xm-vms64.h: Delete.
3031 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3034 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3036 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3038 * opts.c (finish_options): Remove duplicate sorry.
3040 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3043 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3046 2012-01-04 Richard Guenther <rguenther@suse.de>
3049 * tree.c (size_low_cst): New function.
3050 * tree.h (size_low_cst): Declare.
3051 * fold-const.c (fold_comparison): Use it to extract the low
3052 part of the POINTER_PLUS_EXPR offset.
3054 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3056 Fix clearing ZERO_REG
3057 * config/avr/avr.md (cc): Add alternative "ldi".
3058 (movqi_insn): Use it in cc attribute.
3059 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3060 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3061 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3063 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3065 * configure: Regenerate.
3067 2012-01-04 Richard Guenther <rguenther@suse.de>
3069 PR tree-optimization/49651
3070 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3071 (var_can_have_subvars): Use it.
3072 (get_constraint_for_1): Only consider subfields if there can be any.
3074 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3077 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3078 to its new canonical_cselib_val and the cselib_val was in
3079 first_containing_mem chain, but the canonical_cselib_val was not,
3080 add the latter into the chain.
3081 (cselib_invalidate_mem): Compare canonical_cselib_val of
3082 addr_list chain elt with v.
3085 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3086 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3088 (output_macinfo_op): Don't ggc_strdup fd->filename.
3089 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3090 then ggc_strdup it. Don't free inc->info or cur->info.
3091 (output_macinfo): Don't free ref->info or file->info.
3093 2012-01-03 Ira Rosen <irar@il.ibm.com>
3095 PR tree-optimization/51269
3096 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3097 first_niters a pointer.
3098 (slpeel_tree_peel_loop_to_edge): Likewise.
3099 (vect_do_peeling_for_loop_bound): Update call to
3100 slpeel_tree_peel_loop_to_edge.
3101 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3102 here. Remove it from the parameters list.
3103 (vect_do_peeling_for_alignment): Update calls and compute
3106 2012-01-03 Richard Guenther <rguenther@suse.de>
3108 PR tree-optimization/51070
3109 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3110 Properly handle calls.
3112 2012-01-03 Richard Guenther <rguenther@suse.de>
3114 PR tree-optimization/51692
3115 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3116 the LHS of allocation stmts.
3118 2012-01-03 Olivier Hainque <hainque@adacore.com>
3120 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3122 2012-01-03 Olivier Hainque <hainque@adacore.com>
3124 * collect2.c (main): In AIX specific computations for vector
3125 insertions, use CONST_CAST2 to cast from char ** to const char **.
3127 2012-01-03 Richard Guenther <rguenther@suse.de>
3130 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3131 the context of a limbo DIE when it does not already exist.
3133 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3135 PR tree-optimization/51719
3136 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3137 but direct call is, clear direct call's lhs and don't add fallthrough
3138 edge from dcall_bb to join_bb and PHIs.
3140 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3142 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3143 the instructions emitted by the pattern.
3144 ("*TDC_insn_<mode>"): Add comment.
3146 2012-01-03 Richard Guenther <rguenther@suse.de>
3149 * fold-const.c (fold_comparison): Properly canonicalize
3150 tree offset and HOST_WIDE_INT bit position.
3152 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3154 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3155 operands for extzv pattern.
3157 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3160 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3163 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3165 * doc/invoke.texi (-flto and related options): Copy-edit.
3167 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3169 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3171 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3173 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3176 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3178 * expr.h (move_by_pieces_ninsns): Declare.
3179 * expr.c (move_by_pieces_ninsns): Make external.
3180 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3181 (mips_store_by_pieces_p): Likewise.
3182 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3183 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3184 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3185 (mips_store_by_pieces_p): Likewise.
3187 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3189 * passes.c (register_one_dump_file): Free full_name.
3191 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3192 (calculate_elim_costs_all_insns): Free offsets_at and
3193 offsets_known_at at the end and clear the pointers.
3195 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3197 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3198 this option introduced in r180739.
3200 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3203 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3204 (tmake_file target=avr): Add avr/t-multilib.
3206 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3207 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3208 * config/avr/genmultilib.awk: New file.
3209 * config/avr/t-multilib: New auto-generated file.
3210 * config/avr/multilib.h: New auto-generated file.
3211 * config/avr/t-avr (AVR_MCUS): New variable.
3212 (genopt.sh): Use it.
3213 (s-mlib): Depend on t-multilib.
3214 (t-multilib, multilib.h): New dependencies.
3215 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3216 (MULTILIB_OPTIONS): Remove.
3217 (MULTILIB_MATCHES): Remove.
3218 (MULTILIB_DIRNAMES): Remove.
3219 (MULTILIB_EXCEPTIONS): Remove:
3220 * config/avr/genopt.sh: Don't use hard coded file name;
3221 pass AVR_MCUS from t-avr instead.
3223 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3225 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3227 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3229 Implement light-weight DImode support.
3230 * config/avr/avr-dimode.md: New file.
3231 * config/avr/avr.md: Include it.
3232 (adjust_len): Add plus64, compare64.
3233 (HIDI): Remove code iterator.
3234 (code_stdname): New code attribute.
3235 (rotx, rotsmode): Remove DI.
3236 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3238 * config/avr/avr-protos.h (avr_have_dimode): New.
3239 (avr_out_plus64, avr_out_compare64): New.
3240 * config/avr/avr.c (avr_out_compare): Handle DImode.
3241 (avr_have_dimode): New variable definition and initialization.
3242 (avr_out_compare64, avr_out_plus64): New functions.
3243 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3244 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3245 (avr_compare_pattern): Skip DImode comparisons.
3247 2012-01-02 Revital Eres <revital.eres@linaro.org>
3249 * ddg.c (def_has_ccmode_p): New function.
3250 (add_cross_iteration_register_deps,
3251 create_ddg_dep_from_intra_loop_link): Call it.
3253 2012-01-02 Richard Guenther <rguenther@suse.de>
3256 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3258 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3260 * gcc.c (process_command): Update copyright notice dates.
3261 * gcov.c (print_version): Likewise.
3262 * gcov-dump.c (print_version): Likewise.
3263 * mips-tfile.c (main): Likewise.
3264 * mips-tdump.c (main): Likewise.
3266 2012-01-01 Ira Rosen <irar@il.ibm.com>
3268 PR tree-optimization/51704
3269 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3270 a use is inside the basic block or loop before accessing its vect info.
3272 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3274 PR rtl-optimization/51069
3275 * cfgloopmanip.c (remove_path): Removing path making irreducible
3276 region unconditional makes BB part of the region.
3278 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3280 PR tree-optimization/51683
3281 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3282 calls with side-effects.
3283 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3285 Copyright (C) 2012 Free Software Foundation, Inc.
3287 Copying and distribution of this file, with or without modification,
3288 are permitted in any medium without royalty provided the copyright
3289 notice and this notice are preserved.