1 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
4 PR rtl-optimization/52417
5 * cselib.c (cselib_any_perm_equivs): New variable.
6 (cselib_reset_table): Check that it's not set when not
8 (cselib_add_permanent_equiv): Set it.
9 (cselib_have_permanent_equivalences): New.
10 (cselib_init, cselib_finish): Reset it.
11 * cselib.h (cselib_have_permanent_equivalences): Declare.
12 * alias.c (get_addr): Restore earlier behavior when there
13 aren't permanent equivalences.
15 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
17 * config/mn10300/mn10300-modes.def: Fix copyright notice.
18 * config/v850/v850-modes.def: Fix copyright notice.
20 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
22 * doc/extend.texi (AVR Built-in Functions): Document
23 __builtin_avr_flash_segment.
25 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
26 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
27 (*split.flash_segment): New insn-and-split.
28 * config/avr/avr.c (avr_init_builtins): Add local variables:
29 const_memx_void_node, const_memx_ptr_type_node,
30 char_ftype_const_memx_ptr.
32 2012-03-01 Jakub Jelinek <jakub@redhat.com>
34 PR tree-optimization/52445
35 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
36 add ssa_name_ver, offset and size fields and change store field
38 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
39 (add_or_mark_expr): Likewise. Only consider previous stores
40 with the same size and offset.
41 (nt_init_block): Only look at gimple_assign_single_p stmts,
44 2012-03-01 Richard Guenther <rguenther@suse.de>
47 * tree-cfg.c (verify_gimple_assign_unary): Allow any
48 conversions from integral types to pointer types.
50 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
52 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
53 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
54 unintentionally removed in r184616.
56 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
58 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
61 2012-02-29 Jakub Jelinek <jakub@redhat.com>
62 Uros Bizjak <ubizjak@gmail.com>
65 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
66 alternatives, add "e" constraint to the new last alternative
67 and ! to last 3 alternatives.
69 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
71 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
72 DW_AT_artificial attributes at the end of the processing.
73 (gen_array_type_die): Likewise.
74 (gen_enumeration_type_die): Likewise.
75 (gen_struct_or_union_type_die): Likewise.
76 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
79 2012-02-29 Jakub Jelinek <jakub@redhat.com>
82 * expr.c (expand_assignment): If doing misaligned store that doesn't
83 cover all mode bits, perform a RMW cycle.
85 PR tree-optimization/52429
86 * tree-parloops.c (separate_decls_in_region_debug): Return early
89 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
91 PR tree-optimization/52424
92 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
93 calling dom_thread_across_edge.
95 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
97 * config/avr/avr.c: Move definition of TARGET macros to end of file.
99 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
101 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
102 * config/avr/avr.c (avr_output_bld): Remove unused function.
103 (avr_out_sbxx_branch): Use "%T" to print bit position.
105 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
107 * config/avr/avr.md: Untabify.
109 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
111 * config/avr/avr.md (eqne): New code iterator.
112 (*dec-and-branchsi): Use it in text peephole's condition.
113 (*dec-and-branchhi): Ditto.
114 (*dec-and-branchqi): Ditto.
116 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
119 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
120 the device does not have the skip-bug.
122 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
124 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
125 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
126 -mpretend-cmove): New.
128 2012-02-29 Jakub Jelinek <jakub@redhat.com>
131 * df.h (struct df_d): Adjust comment that hard_regs_live_count
132 doesn't count DEBUG_INSN refs.
133 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
136 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
140 2012-02-20 Richard Guenther <rguenther@suse.de>
141 PR tree-optimization/52298
142 * tree-vect-stmts.c (vectorizable_load): Properly use
143 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
146 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
149 * gimple.h (gimple_in_transaction): New.
150 (gimple_set_in_transaction): New.
151 (struct gimple_statement_base): Add in_transaction field.
152 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
154 (tree_ssa_lim_initialize): Compute transaction bits.
155 * tree.h (compute_transaction_bits): Protoize.
156 * trans-mem.c (tm_region_init): Use the heap to store BB
158 (compute_transaction_bits): New.
160 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
162 * gcc.c (display_help): Document --help=common and sort entries
165 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
167 * doc/install.texi: Document check-$LANG specific shortcuts
169 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
172 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
174 * config/arm/arm_neon.h: Regenerate.
175 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
176 (neon_vcgeu): New insn.
177 (neon_vcgtu): Likewise.
178 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
179 (ops): Unsigned comparison intrinsics call a different
182 2012-02-28 Richard Guenther <rguenther@suse.de>
185 * config/i386/i386.c (ix86_expand_vector_set): Fix element
186 ordering for the VEC_CONCAT for two element vectors for
187 V2SFmode, V2SImode and V2DImode.
189 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
192 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
193 detecting big-endian triplets.
195 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
197 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
198 mode if there is no type information available.
200 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
202 PR tree-optimization/53207
203 * doc/invoke.texi: Document as experimental and relying on graphite.
205 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
207 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
208 of initializer to changes from r184614.
210 2012-02-28 Richard Guenther <rguenther@suse.de>
212 PR tree-optimization/52395
213 * tree-sra.c (build_ref_for_offset): Also look at the base
214 TYPE_ALIGN when figuring out the alignment of the replacement.
216 2012-02-28 Richard Guenther <rguenther@suse.de>
218 PR tree-optimization/52402
219 * ipa-prop.c (ipa_modify_call_arguments): Properly use
220 mis-aligned types when creating the accesses at the call site.
222 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
224 * config/avr/builtins.def: New file.
225 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
226 * config/avr/avr.c (enum avr_builtin_id): Use it.
227 (avr_init_builtins): Use it. And use avr_bdesc.
228 (bdesc_1arg): Remove.
229 (bdesc_2arg): Remove.
230 (bdesc_3arg): Remove.
231 (struct avr_builtin_description): Add field n_args.
232 (avr_bdesc): New static variable using builtins.def.
233 (avr_expand_builtin): Use it.
234 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
235 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
236 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
238 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
241 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
242 match only one single hard register with respective hard reg rtx.
243 (movmemx_<mode>): Ditto.
244 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
245 insn anatomy of movmem[x]_<mode>.
246 (avr_out_movmem): Same for printing assembler and operand usage.
248 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
252 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
253 address spaces located outside of device flash.
255 * config/avr/avr.h (base_arch_s): Remove field n_segments.
256 (mcu_type_s): Add field n_flash.
257 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
258 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
259 (AVR_MCU): Add N_FLASH argument.
260 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
261 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
262 macro __FLASH<n> if that address space makes sense for the device.
263 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
264 outside of target flash.
265 (avr_asm_named_section): Ditto.
266 (avr_asm_select_section): Ditto.
267 (avr_addr_space_convert): Ditto.
268 (avr_emit_movmemhi): Ditto.
269 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
270 address space is outside of device flash.
271 (avr_insert_attributes): Ditto.
272 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
273 avr_current_arch->n_segments.
275 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
278 * config/i386/i386.md (*movabs<mode>_1): Enable only for
280 (*movabs<mode>_2): Likewise.
282 2012-02-27 Jakub Jelinek <jakub@redhat.com>
285 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
286 s_register_operand in the test instead of REG_P. Don't call
287 gen_reg_rtx if it won't be used.
289 PR tree-optimization/52376
290 * ipa-split.c (split_function): Ignore CLOBBER stmts.
292 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
294 * ifcvt.c (noce_get_condition): Check condition variable is not
295 small_register_classes_for_mode_p before accepting.
297 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
299 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
301 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
304 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
305 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
307 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
309 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
311 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
313 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
315 * config/sh/predicates.md: Remove blank lines.
316 * config/sh/sh.c: Fix typos in comments.
317 * config/sh/constraints.md: Likewise.
318 * config/sh/sh.md: Remove blank lines.
319 Fix typos in comments. Use ;; as comment characters.
321 2012-02-26 Walter Lee <walt@tilera.com>
323 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
324 (replace_mov_pcrel_step2): Ditto.
326 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
329 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
330 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
331 and locs that reference values newer than the non-canonical value
332 at hand. Return the canonical value as a worst case.
333 (memrefs_conflict_p): Walk canonical value's locs.
336 * cselib.c (preserve_only_constants): Rename to...
337 (preserve_constants_and_equivs): ... this. Split out...
338 (invariant_or_equiv_p): ... this. Preserve plus expressions
339 of other preserved expressions too.
340 (cselib_reset_table): Adjust.
341 * var-tracking.c (reverse_op): Use canonical value to build
344 2012-02-23 Kai Tietz <ktietz@redhat.com>
346 * config/i386/i386.c (ix86_delegitimize_address): Handle
347 UNSPEC_PCREL plus displacement.
349 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
352 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
353 to test for unusedness in st X addressing.
355 2012-02-24 Richard Guenther <rguenther@suse.de>
358 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
359 (is_gimple_reg_type): Move inline ...
360 * gimple.h (is_gimple_reg_type): ... here.
362 2012-02-24 Richard Guenther <rguenther@suse.de>
365 * passes.c (execute_function_todo): When verifying SSA form
366 verify gimple form first.
367 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
369 2012-02-24 Richard Guenther <rguenther@suse.de>
372 * fold-const.c (fold_addr_of_array_ref_difference): New function.
373 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
375 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
377 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
379 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
381 * tree-phinodes.c (make_phi_node): Mark static.
382 * tree-flow.h (make_phi_node): Remove extern decl.
383 * doc/gimple.texi (make_phi_node): Remove documentation.
385 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
387 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
388 * tree-ssa-sccvn.c (print_scc): Ditto.
390 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
392 * doc/passes.texi (Full redundancy elimination): Fix typo.
394 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
396 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
398 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
401 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
403 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
406 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
408 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
410 * config/avr/avr.md (code_stdname): Add ior, xor.
411 (xior): New code iterator.
412 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
413 (*<code_stdname><mode>qi.byte1-3): Ditto.
415 2012-02-23 Jakub Jelinek <jakub@redhat.com>
417 PR tree-optimization/52019
418 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
421 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
423 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
424 HAVE_INITFINI_ARRAY to work around namespace pollution in
425 certain versions of newlib system headers.
426 * config.in: Regenerate.
427 * configure: Regenerate.
428 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
429 instead of HAVE_INITFINI_ARRAY.
431 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
434 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
435 is not offsettable memory reference.
437 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
440 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
441 setting avr_need_clear_bss_p for __gnu_lto* symbols.
443 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
445 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
446 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
448 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
450 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
451 library on Solaris 8 even without TLS support.
452 * configure: Regenerate.
454 2012-02-22 Richard Guenther <rguenther@suse.de>
457 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
458 for GIMPLE_DEBUG stmts.
460 2012-02-22 Martin Jambor <mjambor@suse.cz>
463 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
464 according to the base object.
466 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
468 PR rtl-optimization/50063
469 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
470 and 2 (8-bit SP) in operand 2.
471 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
472 setup to use movhi_sp_r instead of vanilla move to write SP.
473 Adjust REG_CFA notes to superseed unspec.
474 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
476 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
477 known to be off) only with TARGET_NO_INTERRUPTS. Never use
478 irq_state 1 (IRQ known to be on) here.
480 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
482 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
484 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
485 assign_hard_reg): Likewise.
487 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
489 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
491 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
494 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
495 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
497 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
499 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
500 prototype from here to...
501 * config/avr/avr.h: ...here.
503 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
506 * thumb2.md (thumb2_shiftsi3_short): Split register and
507 immediate shifts. For register shifts tie operands 0 and 1.
508 (peephole2 for above): Check that register-controlled shifts
509 have suitably tied operands.
511 2012-02-21 Quentin Neill <quentin.neill@amd.com>
514 * config/i386/bdver1.md (bdver1_call, bdver1_push,
515 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
516 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
517 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
518 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
519 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
520 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
521 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
522 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
523 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
524 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
525 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
526 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
527 bdver1_ssevector_avx256_unaligned_load,
528 bdver1_ssevector_sse128_unaligned_load,
529 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
530 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
531 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
532 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
533 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
534 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
535 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
536 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
537 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
538 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
539 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
540 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
541 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
542 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
543 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
544 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
545 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
546 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
547 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
548 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
549 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
550 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
551 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
552 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
553 bdver1_ssediv_double_load, bdver1_ssediv_double,
554 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
555 Add "bdver2" attribute.
557 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
559 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
560 default if possible and not specified otherwise.
562 2012-02-21 Richard Guenther <rguenther@suse.de>
565 * gimplify.c (create_tmp_from_val): Use the main variant type
566 for the type of the temporary we create.
568 2012-02-21 Richard Guenther <rguenther@suse.de>
570 PR tree-optimization/52324
571 * gimplify.c (gimplify_expr): When re-gimplifying expressions
572 do not gimplify a MEM_REF address operand if it is already
575 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
577 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
578 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
580 2012-02-21 Richard Guenther <rguenther@suse.de>
582 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
585 2012-02-21 Jakub Jelinek <jakub@redhat.com>
587 PR tree-optimization/52318
588 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
589 vdef also to non-pure/const call stmts in the sequence.
591 2012-02-20 David S. Miller <davem@davemloft.net>
593 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
594 don't use the "rd %pc" instruction on v9 for PIC register loads.
596 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
599 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
600 in a transaction safe function.
602 2012-02-20 Kai Tietz <ktietz@redhat.com>
605 * stor-layout.c (place_field): Handle desired_align for
608 2012-02-20 Richard Guenther <rguenther@suse.de>
610 PR tree-optimization/52298
611 * tree-vect-stmts.c (vectorizable_store): Properly use
612 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
614 (vectorizable_load): Likewise.
615 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
616 Access DR_STEP after ensuring it is not NULL.
618 2012-02-20 Jakub Jelinek <jakub@redhat.com>
620 PR tree-optimization/52286
621 * fold-const.c (fold_binary_loc): For (X & C1) | C2
622 optimization use double_int_to_tree instead of build_int_cst_wide,
623 rewrite to use double_int vars.
625 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
628 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
630 Remove -e 0 from $gcc_cv_ld invocation.
631 Only use __GLIBC_PREREQ if defined.
632 Enable on Solaris since Solaris 8 patch.
633 (gcc_SUN_LD_VERSION): New macro.
634 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
635 gcc_SUN_LD_VERSION for version number format.
636 * configure: Regenerate.
637 * varasm.c (get_elf_initfini_array_priority_section): Set
638 SECTION_NOTYPE for non-default priority.
639 Use get_section instead of get_unnamed_section to emit
640 .init_array/.fini_array with default priority.
642 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
644 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
645 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
646 (mips_start_unique_function, mips_output_mips16_rdhwr)
647 (mips_code_end): New functions.
648 (TARGET_ASM_CODE_END): Define.
650 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
652 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
653 to stubs with non-sibling calls.
655 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
657 * doc/invoke.texi (-fira-* options): Copy-edit.
658 (ira-* parameters): Copy-edit.
660 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
662 * doc/invoke.texi: Minor copy-edits to bring into conformance with
663 GCC coding conventions.
665 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
667 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
668 when used as adjectives.
670 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
672 * doc/invoke.texi: Clean up "that"/"which" confusion.
674 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
676 * system.h: Poison SMALL_REGISTER_CLASSES
677 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
678 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
680 2012-02-16 Jakub Jelinek <jakub@redhat.com>
682 PR tree-optimization/52285
683 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
684 when deciding if a call is a tail call or tail recursion.
686 2012-02-16 Kai Tietz <ktietz@redhat.com>
688 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
689 interger-constant displacement for UNSPEC_PCREL.
691 2012-02-16 Jakub Jelinek <jakub@redhat.com>
693 PR rtl-optimization/52208
694 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
695 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
697 PR tree-optimization/52255
698 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
699 loop->header has virtual PHI, but exit_e->dest doesn't, add
700 virtual PHI to exit_e->dest and adjust all uses after the loop.
703 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
704 children with clone_tree_hash, not after it.
706 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
708 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
709 extended identifiers.
711 2012-02-16 Jakub Jelinek <jakub@redhat.com>
714 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
715 a same_body_alias, also test whether e->callee isn't a former
716 or current clone of the decl this is a same body alias of.
719 * cgraphunit.c (verify_cgraph_node): Fix a typo.
721 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
723 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
725 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
728 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
729 force_reg instead of copy_to_reg for better optimization. Force
730 non-register or memory operands into a register.
732 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
734 * extend.texi: Reserve upper bits of memory model for future use.
736 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
737 Anatoly Sokolov <aesok@post.ru>
738 Eric Weddington <eric.weddington@atmel.com>
741 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
742 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
743 Rewrite initializers for .macro.
744 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
745 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
746 atxmega32d4, atxmega32x1.
747 avrxmega4: atxmega64a3, atxmega64d3.
748 avrxmega5: atxmega64a1, atxmega64a1u.
749 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
750 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
751 avrxmega7: atxmega128a1, atxmega128a1u.
752 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
753 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
754 (struct base_arch_s): Rename reserved to xmega_p.
755 Rename reserved2 to have_rampd.
756 (AVR_XMEGA): New define.
757 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
758 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
759 * config/avr/predicates.md (io_address_operand): Take into
761 (low_io_address_operand): Ditto.
762 (high_io_address_operand): Ditto.
763 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
764 (enabled, movhi_sp_r): Use them.
765 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
766 cpp_define_formatted to built-in define __AVR_ARCH__.
767 (__AVR_XMEGA__): New built-in define.
768 (__AVR_HAVE_RAMPD__): New built-in define.
769 (__AVR_HAVE_RAMPX__): New built-in define.
770 (__AVR_HAVE_RAMPY__): New built-in define.
771 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
773 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
774 (avr_option_override): Initialize them.
775 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
776 (avr_init_expanders): Initialize them. No more block several calls.
777 (emit_push_sfr): New static function.
778 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
780 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
781 (avr_print_operand): Print addreeses as symbols for
782 RAMPX, RAMPY, RAMPD, CCP.
783 (output_movhi): Handle AVR_XMEGA when writing to SP.
784 (avr_out_movhi_mr_r_xmega): New static function.
785 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
786 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
787 __RAMPD__, __CCP__ as needed.
789 * config/avr/multilib.h: Regenerate.
790 * config/avr/t-multilib: Regenerate.
791 * config/avr/avr-tables.opt: Regenerate.
793 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
795 PR tree-optimization/50561
796 * graphite-flattening.c (lst_project_loop): Do not
797 remove old scattering dimensions after flattening.
798 (lst_do_flatten): Likewise.
800 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
802 * doc/extend.texi (AVR Built-in Functions): Remove doc for
803 __builtin_avr_map8, __builtin_avr_map16.
804 Document __builtin_avr_insert_bits.
806 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
807 (insert_bits): New insn.
808 (adjust_len.map_bits): Rename to insert_bits.
809 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
810 * avr-protos.h (avr_out_map_bits): Remove.
811 (avr_out_insert_bits, avr_has_nibble_0xf): New.
812 * config/avr/constraints.md (Cxf,C0f): New.
813 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
814 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
815 New built-in define __BUILTIN_AVR_INSERT_BITS.
816 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
817 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
818 (avr_move_bits): Rewrite.
819 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
821 (avr_map_op_t): New typedef.
822 (avr_map_op): New static variable.
823 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
824 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
825 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
826 (bdesc_3arg, avr_expand_triop_builtin): New.
827 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
828 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
829 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
830 (avr_map_equal_p, avr_map_sig_p): Remove.
831 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
832 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
833 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
834 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
835 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
836 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
838 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
840 * config/c6x/c6x.md (reserve_cycles): New attribute.
841 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
842 don't reserve functional units after the branch occurs.
844 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
847 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
848 functions into non-tm_pure functions.
850 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
853 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
854 (iterative_hash_canonical_type): Likewise.
855 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
858 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
860 * haifa-sched.c (prune_ready_list): Ensure that if there is a
861 sched-group insn, it either remains alone or the entire list is pruned.
863 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
865 * doc/install.texi (Prerequisites): Fix grammar.
866 (Configuration): Likewise.
868 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
870 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
871 MPC as part of GCC before describing configuring with --with-gmp etc.
872 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
875 2012-02-14 Jakub Jelinek <jakub@redhat.com>
878 * dwarf2out.c (clone_tree_hash): New function.
879 (copy_decls_walk): Use it instead of clone_tree.
881 2012-02-14 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/52244
884 PR tree-optimization/51528
885 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
886 replacements for integral types.
888 2012-02-14 Walter Lee <walt@tilera.com>
890 * config.gcc: Handle tilegx and tilepro.
891 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
893 Add HAVE_AS_TLS check for tilegx and tilepro.
894 * configure: Regenerate.
895 * doc/contrib.texi: Add Mat Hostetter and self.
896 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
897 Document instruction intrinsics and network accessing intrinsics.
898 (TILEPro Built-in Functions): New node. Document instruction
899 intrinsics and network accessing intrinsics.
900 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
901 (Specific, tilepro-*-linux*): Likewise.
902 * doc/invoke.texi (TILE-Gx Options): New section.
903 (TILEPro Options): New section.
904 * doc/md.texi (TILE-Gx): New section.
905 (TILEPro): New section.
906 * common/config/tilegx/tilegx-common.c: New file.
907 * common/config/tilepro/tilepro-common.c: New file.
908 * config/tilegx/constraints.md: New file.
909 * config/tilegx/linux.h: New file.
910 * config/tilegx/mul-tables.c: New file.
911 * config/tilegx/predicates.md: New file.
912 * config/tilegx/sync.md: New file.
913 * config/tilegx/t-tilegx: New file.
914 * config/tilegx/tilegx-builtins.h: New file.
915 * config/tilegx/tilegx-c.c: New file.
916 * config/tilegx/tilegx-generic.md: New file.
917 * config/tilegx/tilegx-modes.def: New file.
918 * config/tilegx/tilegx-multiply.h: New file.
919 * config/tilegx/tilegx-protos.h: New file.
920 * config/tilegx/tilegx.c: New file.
921 * config/tilegx/tilegx.h: New file.
922 * config/tilegx/tilegx.md: New file.
923 * config/tilegx/tilegx.opt: New file.
924 * config/tilepro/constraints.md: New file.
925 * config/tilepro/gen-mul-tables.cc: New file.
926 * config/tilepro/linux.h: New file.
927 * config/tilepro/mul-tables.c: New file.
928 * config/tilepro/predicates.md: New file.
929 * config/tilepro/t-tilepro: New file.
930 * config/tilepro/tilepro-builtins.h: New file.
931 * config/tilepro/tilepro-c.c: New file.
932 * config/tilepro/tilepro-generic.md: New file.
933 * config/tilepro/tilepro-modes.def: New file.
934 * config/tilepro/tilepro-multiply.h: New file.
935 * config/tilepro/tilepro-protos.h: New file.
936 * config/tilepro/tilepro.c: New file.
937 * config/tilepro/tilepro.h: New file.
938 * config/tilepro/tilepro.md: New file.
939 * config/tilepro/tilepro.opt: New file.
941 2012-02-14 Jakub Jelinek <jakub@redhat.com>
943 PR tree-optimization/52210
944 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
945 vect_model_simple_cost with two entry vect_def_type array instead
948 2012-02-14 Richard Guenther <rguenther@suse.de>
951 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
952 Do not stream DECL_QUALIFIER.
953 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
954 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
955 (find_decls_types_r): Do not walk DECL_QUALIFIER.
957 2012-02-14 Jakub Jelinek <jakub@redhat.com>
960 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
963 2012-02-13 Jakub Jelinek <jakub@redhat.com>
966 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
967 * cselib.c (cselib_subst_to_values_from_insn): New function.
968 * sched-deps.c (add_insn_mem_dependence,
969 sched_analyze_1, sched_analyze_2): Use it.
971 2012-02-13 Jan Hubicka <jh@suse.cz>
974 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
976 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
978 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
979 (GTM_SELF_SPECS): Define if not already defined.
980 (driver_self_specs): Add GTM_SELF_SPECS.
981 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
982 (GTM_SELF_SPECS): Define.
983 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
984 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
986 2012-02-13 Jakub Jelinek <jakub@redhat.com>
988 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
991 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
994 * omp-low.c (expand_omp_for): If a static schedule without chunk size
995 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
997 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1000 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1002 2012-02-13 Richard Guenther <rguenther@suse.de>
1004 PR translation/52211
1005 * passes.c (enable_disable_pass): Fix typo.
1007 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1010 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1011 XOR for reduce_bit_field if type is unsigned.
1013 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1015 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1016 disallow changes from SFmode to mode with different size in FP regs.
1018 2012-02-12 Robert Millan <rmh@gnu.org>
1019 Gerald Pfeifer <gerald@pfeifer.com>
1021 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1024 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1026 PR rtl-optimization/52175
1027 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1028 to frame-related instructions.
1030 2012-02-10 Jason Merrill <jason@redhat.com>
1033 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1034 (demangle_new_symbols): Fill it.
1035 (scan_linker_output): Walk it.
1036 (start_tweaking): Split out from scan_linker_output.
1037 (maybe_tweak): Update sym->chosen.
1038 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1040 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1043 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1045 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1047 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1048 having the same mode as previous compare.
1050 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1052 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1053 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1054 (nonlocal_goto_internal): Likewise.
1055 (nonlocal_goto): Emit a use and an indirect jump directly.
1057 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1060 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1061 __atomic_{is,always}_lock_free.
1063 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1066 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1067 negative constant address for x32.
1069 2012-02-10 Richard Henderson <rth@redhat.com>
1071 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1072 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1073 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1075 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1076 Ira Rosen <irar@il.ibm.com>
1078 PR tree-optimization/50031
1079 * targhooks.c (default_builtin_vectorization_cost): Handle
1081 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1082 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1083 all types of reduction and pattern statements.
1084 (vect_estimate_min_profitable_iters): Likewise.
1085 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1086 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1087 for explicit realigns.
1088 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1089 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1091 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1092 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1093 vec_perm for VSX and handle vec_promote_demote.
1095 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1098 * builtins.c (fold_builtin_atomic_always_lock_free,
1099 expand_builtin_atomic_always_lock_free,
1100 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1101 Return and/or test boolean_true_node/boolean_false_node instead of
1102 integer_one_node/integer_zero_node.
1104 2012-02-10 Jan Hubicka <jh@suse.cz>
1107 * predict.c (predict_paths_for_bb): Prevent looping.
1108 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1110 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1112 * config/arm/arm.c (output_move_double): In one case properly
1113 count number of instructions that will be emitted.
1115 2012-02-10 Richard Guenther <rguenther@suse.de>
1117 PR translation/52193
1118 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1120 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1123 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1125 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1128 * var-tracking.c (emit_note_insn_var_location): If
1129 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1130 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1131 non-NOTE_DURING_CALL_P insn.
1133 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1136 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1138 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1141 * gcc.c (switch_matches) Support switches with separated form,
1144 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1146 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1148 (RAMPZ_ADDR): Ditto.
1149 * config/avr/avr.c (avr_addr_t): New typedef.
1150 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1151 (avr_init_expanders): Initialize it.
1152 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1154 (expand_epilogue): Ditto.
1155 (avr_print_operand): Ditto.
1156 (avr_file_start): Ditto.
1157 (avr_emit_movmemhi): Ditto.
1159 2012-02-08 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/46886
1162 * tree-flow.h (do_while_loop_p): Declare.
1163 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1164 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1166 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1168 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1169 always succeed for integers larger than a native word.
1171 2012-02-08 Richard Guenther <rguenther@suse.de>
1173 PR rtl-optimization/52170
1174 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1175 properly handle integer vector modes.
1177 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1179 PR gcov-profile/52150
1180 * coverage.c: Include target.h.
1181 (build_var): Call targetm.strip_name_encoding on the assembler name.
1182 Change one _ into . or $ if the target allows it.
1183 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1185 PR rtl-optimization/52139
1186 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1187 is a BARRIER after emit_insn_after_noloc, move BB_END
1188 to the last non-BARRIER insn before it.
1190 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1193 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1194 (mips_gimplify_va_arg_expr): Call it instead of
1195 std_gimplify_va_arg_expr.
1197 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1199 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1200 message for -mno-pointers-to-nested-function.
1202 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1205 * expr.c (get_inner_reference): If there is an offset, add a negative
1206 bit position to it (if any).
1208 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1210 PR rtl-optimization/52060
1211 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1212 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1213 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1214 and/or i0src_copy2 when needed.
1216 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1218 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1219 or LTOPLUGINSONAME if have_c.
1221 * config/freebsd-spec.h: Add comment about what macros can be defined
1223 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1224 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1227 2012-02-07 Richard Guenther <rguenther@suse.de>
1229 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1230 newline in -alias dumps.
1232 2012-02-07 Kai Tietz <ktietz@redhat.com>
1233 Dave Korn <dave.korn.cygwin@gmail.com>
1236 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1237 Take care that typinfo gets dllexport-attribute.
1239 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1242 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1243 if modifier < EXPAND_SUM call force_operand on the result.
1245 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1247 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1248 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1250 (epiphany_function_type): Replace types for specific interrupts with
1251 EPIPHANY_FUNCTION_INTERRUPT.
1252 (EPIPHANY_INTERRUPT_P): Update.
1253 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1254 New static function.
1255 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1256 <disinterrupt>: Affects type identity.
1257 (epiphany_handle_interrupt_attribute): Handle variable number of
1259 (epiphany_compute_function_type): Update for new
1260 epiphany_function_type definition.
1261 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1262 handlers with a longcall forwarder.
1263 (epiphany_start_function): Handle multiple interrupt arguments and/or
1264 forwarder_section attribute.
1266 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1269 2012-02-07 Alan Modra <amodra@gmail.com>
1272 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1275 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1277 PR tree-optimization/50969
1278 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1279 use vec_perm rather than vector_stmt.
1280 (vect_model_load_cost): Likewise.
1281 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1282 vec_perm to be the same as other vector statements.
1283 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1284 cost of vec_perm for TARGET_VSX.
1286 2012-02-06 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/52115
1289 * tree-sra.c (access_has_replacements_p): New function.
1290 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1292 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1295 * trans-mem.c (expand_call_tm): Add an assertion.
1296 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1299 2012-02-06 Richard Guenther <rguenther@suse.de>
1301 PR tree-optimization/50955
1302 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1303 raise cost of expressions that replace an address with an
1304 expression based on a different pointer.
1306 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1309 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1310 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1312 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1315 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1316 -Weffc++ and specify guidelines come from second edition.
1318 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1320 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1321 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1322 (call_direct_split, call_value_split, call_value_internal_direct)
1323 (call_value_direct_split, call_value_multiple_split): Use jal and
1324 jal_macro attributes.
1326 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1328 * reload1.c (reload_regs_reach_end_p): Replace with...
1329 (reload_reg_rtx_reaches_end_p): ...this function.
1330 (new_spill_reg_store): Update commentary.
1331 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1332 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1333 before setting new_spill_reg_store.
1334 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1335 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1336 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1337 for non-spill reload registers.
1339 2012-02-05 Ira Rosen <irar@il.ibm.com>
1341 PR tree-optimization/52091
1342 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1343 (vect_is_simple_use_1): Likewise.
1344 * tree-vect-loop.c (vectorizable_reduction): Update calls
1345 to vect_is_simple_use_1 and vect_is_simple_use.
1346 (vectorizable_live_operation): Likewise.
1347 * tree-vect-patterns.c (widened_name_p,
1348 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1349 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1350 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1351 vectorizable_shift,vectorizable_operation, vectorizable_store,
1352 vectorizable_load): Likewise.
1353 (vect_is_simple_cond): Add an argument, pass it to
1354 vect_is_simple_use_1.
1355 (vectorizable_condition): Update calls to vect_is_simple_cond,
1357 (vect_is_simple_use): Add an argument, the statement in which
1358 OPERAND is used. Check that if OPERAND's def stmt is a double
1359 reduction phi node, the use is a phi node too.
1360 (vect_is_simple_use_1): Add an argument, pass it to
1362 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1363 to vect_is_simple_use.
1365 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1367 PR rtl-optimization/52095
1368 * modulo-sched.c (dump_insn_locator): New function.
1369 (loop_canon_p, sms_schedule): Use it.
1371 PR rtl-optimization/52113
1372 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1373 even for decomposable shift/zext insns.
1375 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1376 Zdenek Dvorak <ook@ucw.cz>
1378 PR rtl-optimization/52092
1379 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1380 on get_iv_value result.
1382 2012-02-02 Andrew Pinski <apinski@cavium.com>
1386 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1388 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1391 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1393 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1395 PR rtl-optimization/49800
1396 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1397 (sched_finish): Call regstat_free_n_sets_and_refs.
1399 2012-02-02 Jia Liu <proljc@gmail.com>
1401 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1404 2012-02-02 Jan Hubicka <jh@suse.cz>
1405 Tom de Vries <tom@codesourcery.com>
1408 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1409 * varpool.c (varpool_analyze_pending_decls): Likewise.
1411 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1412 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1414 * config.gcc: Add cr16-* support.
1416 * doc/extend.texi: Document cr16 extensions.
1417 * doc/install.texi: Document cr16 install.
1418 * doc/invoke.texi: Document cr16 options.
1419 * doc/md.texi: Document cr16 constraints.
1421 * common/config/cr16/cr16-common.c: New file.
1422 * config/cr16/cr16.c: New file.
1423 * config/cr16/cr16.h: New file.
1424 * config/cr16/cr16.md: New file.
1425 * config/cr16/cr16.opt: New file.
1426 * config/cr16/cr16-protos.h: New file.
1427 * config/cr16/predicates.md: New file.
1428 * config/cr16/constraints.md: New file.
1429 * config/cr16/t-cr16: New file.
1431 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1434 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1435 that operands[2] is either immediate, or q_regs_operand.
1437 PR tree-optimization/52073
1438 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1439 a pattern stmt for pattern uses, ignore uses outside of the loop.
1441 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1443 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1444 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1445 (OUT_AS1, OUT_AS2): Remove.
1447 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1449 PR rtl-optimization/51374
1450 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1451 to cross other volatile_refs_p insns.
1453 2012-02-01 Richard Guenther <rguenther@suse.de>
1455 * doc/invoke.texi (fno-inline): Clarify documentation.
1456 (finline-small-functions): Likewise.
1457 (finline-functions): Likewise.
1458 * common.opt (finline): Adjust comment and documentation.
1459 (finline-small-functions): Clarify documentation.
1460 (finline-functions): Likewise.
1461 (finline-functions-called-once): Likewise.
1463 2012-02-01 Tristan Gingold <gingold@adacore.com>
1465 * c-typeck.c (composite_type): Keep mode for pointers.
1467 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1469 * function.h (regno_reg_rtx): Adjust comment.
1470 * reginfo.c (init_reg_modes_target): Only use the previous mode
1471 if it fits within one register. Remove MIPS comment.
1473 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1476 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1478 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1480 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1481 to srak instruction.
1483 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1485 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1487 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1492 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1494 2012-01-31 Richard Guenther <rguenther@suse.de>
1496 PR tree-optimization/51528
1497 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1500 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1505 * ree.c (add_removable_extension): Change def_map argument
1506 to unsigned *, store in def_map 1 + offset into *insn_list vector
1507 instead of pointers into the vector.
1508 (find_removable_extensions): Adjust caller.
1510 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1512 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1513 Transform all "* quoted-c-code" to { c-code }.
1514 Remove redundant test for "optimize" in combine patterns.
1515 Move (include "avr-dimode.md") to end of file.
1517 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1520 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1521 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1523 2012-01-30 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/52028
1526 * tree-loop-distribution.c (ldist_gen): Properly update
1529 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1532 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1533 set_cur_line_info_table if not emitting debug info.
1535 PR tree-optimization/52046
1536 * tree-vect-patterns.c (check_bool_pattern): Give up if
1537 a comparison could throw.
1540 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1542 2012-01-30 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/52045
1545 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1546 SSA form if cfgcleanup did anything.
1548 2012-01-30 Richard Guenther <rguenther@suse.de>
1550 PR tree-optimization/52045
1551 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1552 before computing final todo.
1554 2012-01-30 Richard Guenther <rguenther@suse.de>
1556 PR tree-optimization/51528
1557 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1560 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1562 * df-problems.c (df_kill_notes): Check that the use refers
1563 to the note under examination.
1565 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1568 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1569 parameter and use short-lived pseudos.
1570 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1571 (sparc_expand_vector_init): Const-ify local variables and adjust
1572 calls to above functions.
1574 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1576 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1578 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1580 * doc/invoke.texi: Make usage of "compile time" and
1581 "run time"/"runtime" consistent throughout the file.
1583 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1585 * config/alpha/alpha.c (alpha_option_override): Default to
1586 full IEEE compliance mode for Go language.
1588 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1590 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1591 (LINK_SSP_SPEC): Define.
1593 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1596 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1599 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1601 * doc/invoke.texi: Correct hyphenation of "floating point",
1602 "double precision", and related terminology throughout the file.
1604 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1607 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1608 arm_general_register_operand predicate for operand 2 instead of
1611 2012-01-27 Ian Lance Taylor <iant@google.com>
1614 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1615 * builtins.c (expand_builtin_init_trampoline): Add onstack
1616 parameter. Change caller.
1617 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1618 * tree.c (build_common_builtin_nodes): Declare
1619 __builtin_init_heap_trampoline.
1621 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1623 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1624 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1625 * config/avr/avr.c: Ditto.
1626 (avr_regnames): Remove because unused.
1627 * config/avr/avr.md (*cpse.ne): New peephole.
1628 (*cpse.eq): New peephole from former cpse peepholes.
1630 2012-01-27 Michael Eager <eager@eagercon.com>
1632 * config/microblaze.c (microblaze_emit_compare): Correct
1633 test after pcmp instruction.
1635 2012-01-27 Richard Guenther <rguenther@suse.de>
1637 PR tree-optimization/52020
1638 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1640 2012-01-27 Richard Guenther <rguenther@suse.de>
1642 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1643 function non-const/pure.
1645 2012-01-27 Richard Guenther <rguenther@suse.de>
1647 PR tree-optimization/50444
1648 * tree-sra.c (build_ref_for_offset): Properly adjust the
1649 MEM_REF type for unaligned accesses.
1651 2012-01-27 Richard Guenther <rguenther@suse.de>
1653 PR tree-optimization/50444
1654 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1655 (expand_assignment): Use it. Properly handle misaligned
1656 bases when expanding stores to component references.
1657 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1660 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1663 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1664 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1665 * tree-data-ref.c (find_data_references_in_loop): Make static.
1666 (compute_all_dependences): Change return type to bool. Bail out
1667 for too many datarefs in a loop. Move the hunk resetting the data
1668 dependences vector from ...
1669 (compute_data_dependences_for_loop): ... here. Account for
1670 compute_all_dependences returning false.
1671 (compute_data_dependences_for_bb): Likewise.
1672 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1673 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1675 2012-01-27 Richard Guenther <rguenther@suse.de>
1678 * expr.c (store_field): Use the alias-set of the scratch memory
1681 2012-01-27 Tom de Vries <tom@codesourcery.com>
1683 PR tree-optimization/51990
1684 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1686 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1688 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1691 * var-tracking.c (reverse_op): Don't add any reverse operation
1692 if V already has any constant locations.
1694 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1696 * doc/invoke.texi: Correct usage of "command line" (noun)
1697 vs "command-line" (adjective) throughout.
1699 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1701 * doc/invoke.texi (Language Independent Options): Move
1702 -Wcoverage-mismatch blurb from here....
1703 (Warning Options): ...to here.
1705 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1707 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1708 Set rs6000_always_hint to false for 476.
1710 2012-01-27 Matthias Klose <doko@ubuntu.com>
1712 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1714 * incpath.c (add_standard_paths): Likewise.
1716 2012-01-27 Richard Henderson <rth@redhat.com>
1718 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1719 * config/m68k/sync.md (atomic_test_and_set): Rename from
1720 sync_test_and_setqi and adjust the operands.
1721 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1722 and unconditionally enable.
1724 2012-01-27 Richard Henderson <rth@redhat.com>
1726 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1727 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1728 (ldstub): Rename from ldstubqi.
1729 (ldstub<I24MODE>): Remove.
1731 2012-01-27 Richard Henderson <rth@redhat.com>
1733 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1734 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1735 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1736 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1737 * doc/tm.texi: Rebuild.
1739 2012-01-27 Richard Henderson <rth@redhat.com>
1741 * optabs.c (gen_atomic_test_and_set): Remove default.
1742 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1744 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1746 PR rtl-optimization/51978
1747 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1748 (combine_reaching_defs): Likewise.
1749 (struct re_info): Remove.
1750 (add_removable_extension): Remove x and data arguments,
1751 add insn, insn_list and def_map. Use the arguments directly
1752 instead of using struct re_info.
1753 (find_removable_extensions): Don't call add_removable_extension
1754 through note_stores, instead just call it with single_set
1756 (find_and_remove_re): Pass curr_cand->expr instead of
1757 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1759 2012-01-26 Michael Matz <matz@suse.de>
1761 PR tree-optimization/46590
1762 * cfgexpand.c: Revert last change (r183305).
1763 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1765 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1766 checking for emptiness.
1768 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1771 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1772 non-addressable non-BLKmode base correctly.
1774 2012-01-26 Michael Matz <matz@suse.de>
1776 PR tree-optimization/48794
1777 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1778 regions referenced from RESX/EH_DISPATCH.
1780 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1782 * config/s390/s390.h: Make BRANCH_COST an option.
1783 * config/s390/s390.opt: New option -mbranch-cost.
1785 2012-01-26 Richard Henderson <rth@redhat.com>
1787 Revert 2012-01-24 change:
1788 * trans-mem.c (requires_barrier): Do not instrument thread local
1789 variables and emit save/restore for them.
1791 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1794 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1797 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1799 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1802 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1805 Rename __pgm to __flash.
1806 Rename __pgm1 to __flash1.
1807 Rename __pgm2 to __flash2.
1808 Rename __pgm3 to __flash3.
1809 Rename __pgm4 to __flash4.
1810 Rename __pgm5 to __flash5.
1811 Rename __pgmx to __memx.
1812 * doc/extend.texi (AVR Named Address Spaces)
1813 Rename address space names as indicated above.
1814 * config/avr/avr.c (avr_addrspace): Ditto.
1816 * config/avr/avr-protos.h
1817 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1818 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1819 * config/avr/predicates.md: Ditto.
1820 * config/avr/avr.c Ditto, and
1821 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1822 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1824 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1825 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1826 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1827 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1828 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1829 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1830 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1831 * config/avr/avr.c: Ditto.
1832 * config/avr/avr.md: Ditto.
1834 2012-01-25 Jason Merrill <jason@redhat.com>
1837 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1839 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1841 PR tree-optimization/51987
1842 * tree-data-ref.c (get_references_in_stmt): Handle references in
1843 non-volatile GIMPLE_ASM.
1845 2012-01-25 Richard Guenther <rguenther@suse.de>
1847 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1848 bases are dereferenced.
1850 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1852 PR rtl-optimization/48374
1853 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1855 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1857 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1858 compute_data_dependences_for_loop returns false.
1859 * tree-parloops.c (loop_parallel_p): Likewise.
1861 2012-01-25 Richard Guenther <rguenther@suse.de>
1863 * tree.h (get_pointer_alignment_1): Declare.
1864 * builtins.c (get_pointer_alignment_1): New function.
1865 (get_pointer_alignment): Use it.
1867 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1869 PR rtl-optimization/48308
1870 * combine.c (enum undo_kind): Add UNDO_LINKS.
1871 (struct undo): Add member l to other_contents and where.
1872 (do_SUBST_LINK): New.
1874 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1875 (undo_all): Handle UNDO_LINKS.
1877 2012-01-25 Richard Henderson <rth@redhat.com>
1879 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1882 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1884 * optabs.c (gen_atomic_test_and_set): Use each argument.
1886 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1888 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1889 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1890 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1891 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1892 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1893 TARGET_PAIRED_SINGLE_FLOAT.
1895 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1897 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1898 (in_struct, return_val): Remove MEM documentation.
1899 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1900 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1901 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1903 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1904 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1905 * expr.c (store_field): Likewise.
1906 * function.c (assign_stack_temp_for_type): Likewise.
1907 * ifcvt.c (noce_try_cmove_arith): Likewise.
1908 * reload1.c (reload): Likewise.
1909 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1910 (alpha_set_memflags): Likewise.
1911 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1913 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1915 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1917 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1918 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1919 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1921 * cselib.c (cselib_rtx_varies_p): Delete.
1922 (cselib_invalidate_mem): Update call to canon_true_dependence.
1923 * dse.c (record_store, check_mem_read_rtx): Likewise.
1924 (scan_reads_nospill): Likewise.
1925 * cse.c (check_dependence): Likewise.
1926 (cse_rtx_varies_p): Delete.
1927 * expr.c (safe_from_p): Update call to true_dependence.
1928 * ira.c (validate_equiv_mem_from_store): Likewise.
1929 (memref_referenced_p): Likewise.
1930 * postreload-gcse.c (find_mem_conflicts): Likewise.
1931 * sched-deps.c (sched_analyze_2): Likewise.
1932 * store-motion.c (load_kills_store): Likewise.
1933 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1934 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1935 (compute_transp): Update call to canon_true_dependence.
1937 2012-01-25 Richard Henderson <rth@redhat.com>
1939 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1940 (maybe_emit_atomic_test_and_set): New.
1941 (expand_sync_lock_test_and_set): Use it.
1942 (expand_atomic_test_and_set): Likewise.
1943 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1944 the implementation; clarify implementation defined details.
1945 * doc/md.texi (atomic_test_and_set): Document.
1947 2012-01-25 Richard Henderson <rth@redhat.com>
1949 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1951 2012-01-25 Richard Henderson <rth@redhat.com>
1954 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1955 to effect no-op split.
1957 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1960 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1961 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1962 (BT_FN_VOID_PTR_INT_SIZE): New.
1963 (BT_FN_UINT_UINT_VAR): Remove.
1964 (BT_FN_UINT32_UINT32_VAR): New.
1965 (BT_FN_DOUBLE_VPTR): Remove.
1966 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1968 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1969 (_ITM_changeTransactionMode): Same.
1970 (_ITM_memmoveRtWt): Change return type to void.
1971 (_ITM_memcpyRtWt): Same.
1972 (_ITM_memsetW): Same.
1973 (_ITM_RaRD): Change types to double.
1978 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1980 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1981 Patrick Marlier <patrick.marlier@gmail.com>
1983 * trans-mem.c (requires_barrier): Do not instrument thread local
1984 variables and emit save/restore for them.
1986 2012-01-24 Jason Merrill <jason@redhat.com>
1989 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1990 output static aliases.
1992 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1995 * common.opt (-pie, -shared, pie, shared): Change from Common to
1997 * gcc.c (display_help): Display help for -pie and -shared.
1999 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2002 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2003 Remove note on size/offset limitation.
2004 (AVR Variable Attributes): Add example how to read data located
2005 with progmem. Refer to named address spaces.
2006 * doc/invoke.texi (AVR Options): Fix typo.
2008 2012-01-24 Richard Guenther <rguenther@suse.de>
2010 Forward-port to trunk
2011 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2014 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2015 op0 isn't sufficiently aligned and there is movmisalignM
2016 insn for mode, use it to load op0 into a temporary register.
2018 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2021 * target.def (const_not_ok_for_debug_p): New hook.
2022 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2024 * doc/tm.texi: Regenerated.
2025 * dwarf2out.c (const_ok_for_output_1): If
2026 targetm.const_not_ok_for_debug_p returns true, fail.
2027 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2029 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2031 2012-01-23 Kai Tietz <ktietz@redhat.com>
2034 * config/i386/predicates.md (symbolic_operand): Allow
2035 UNSPEC_PCREL as PIC expression for lea.
2036 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2037 * config/i386/i386.c (ix86_delegitimize_address): Handle
2038 UNSPEC_PCREL for none-MEM, too.
2040 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2042 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2043 (ipa_tm_create_version_alias): Same.
2045 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2048 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2049 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2051 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2052 Patrick Marlier <patrick.marlier@gmail.com>
2053 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2056 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2057 simple_object_start_read.
2059 2012-01-23 Richard Guenther <rguenther@suse.de>
2062 PR tree-optimization/51895
2063 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2064 parameter decomposition into BLKmode components.
2066 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2068 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2069 fake variables for restrict-qualified pointers whose pointed-to type
2070 contains a placeholder.
2072 2012-01-23 Richard Guenther <rguenther@suse.de>
2074 PR tree-optimization/51949
2075 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2077 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2079 PR rtl-optimization/51933
2080 * ree.c (transform_ifelse): Return true right away if dstreg is
2081 already wider or equal to cand->mode.
2082 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2083 (make_defs_and_copies_lists): Remove defs_list and copies_list
2084 arguments, add state argument, just truncate state->work_list
2085 instead of always allocating and freeing the vector. Assert that
2086 get_defs succeeds instead of returning 2. Changed return type to bool.
2087 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2088 have ext_src_mode, see if it has been modified already with the
2089 right kind of extension and has been extended before from the
2090 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2091 just return true. Remember the original mode in state->modified array.
2092 (combine_reaching_defs): Add state argument. Don't allocate and
2093 free here def_list, copied_list and vec vectors, instead just
2094 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2095 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2096 Add state variable, clear vectors in it, initialize state.modified
2097 if needed. Free all the vectors at the end and state.modified too.
2098 Don't skip a candidate if the extension expression has been modified.
2100 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2103 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2104 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2105 (extra_options) interix.opt -> i386/interix.opt"
2106 (extra_objs):Add winnt-stubs.o
2107 * configure.ac: Add interix to target_os .comm on PE check.
2108 * configure: Regenerate.
2109 * config/interix3.h: Delete and move bits to..
2110 * config/interix.h: Delete and move bits to..
2111 * config/i386/i386-interix3.h: Delete and move bits to..
2112 * config/i386/i386-interix.h: ..here.
2113 (TARGET_CPU_DEFAULT): Remove redefinition.
2114 (TARGET_ASM_CONSTRUCTOR): Undefine.
2115 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2116 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2117 (PTRDIFF_TYPE): Define.
2118 (LONG_DOUBLE_TYPE_SIZE): Define.
2119 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2120 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2121 (TARGET_SECTION_TYPE_FLAGS): Define.
2122 (ASM_DECLARE_FUNCTION_NAME): Define.
2123 (ASM_OUTPUT_EXTERNAL): Define.
2124 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2125 (ASM_OUTPUT_ALIGNED_BSS): Define.
2126 (PCC_BITFIELD_TYPE_MATTERS): Define.
2127 (USE_CONST_SECTION): Define.
2128 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2129 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2130 (SUPPORTS_ONE_ONLY): Remove.
2131 (I386_PE_STRIP_ENCODING): Define.
2132 * config/interix.opt: Delete and move bits to..
2133 * config/i386/interix.opt: ..here. New.
2134 (mpe-aligned-commons): Add.
2135 * config/i386/t-interix: Add copyright header.
2136 (winnt-stubs.o): Add rule.
2138 2012-01-22 Jason Merrill <jason@redhat.com>
2141 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2142 for extra name aliases.
2144 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2146 PR rtl-optimization/51924
2147 * ree.c (combine_set_extension): Improve debugging message.
2148 (combine_reaching_defs): Likewise.
2149 (get_defs): Rename confusingly named variable.
2150 (find_and_remove_re): Skip a candidate if the extension expression has
2153 2012-01-21 Robert Millan <rmh@gnu.org>
2154 Gerald Pfeifer <gerald@pfeifer.com>
2156 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2157 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2159 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2161 PR tree-optimization/51914
2162 * tree-vect-stmts.c (vectorizable_conversion): For
2163 cvt_type && modifier == WIDEN, put temporary with cvt_type
2164 at the beginning of vec_dsts and set vec_dest to temporary
2167 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2169 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2171 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2173 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2174 * config/rs6000/rs6000.c: Likewise.
2176 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2179 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2180 output_move_double on a copy of operands array.
2182 2012-01-20 Cary Coutant <ccoutant@google.com>
2183 Dodji Seketeli <dodji@redhat.com>
2186 * dwarf2out.c (copy_declaration_context): Return ref to parent
2187 of declaration DIE, if necessary.
2188 (remove_child_or_replace_with_skeleton): Add new parameter; update
2189 caller. Place skeleton DIE under parent DIE of original declaration.
2190 Move call to copy_declaration_context to here ...
2191 (break_out_comdat_types): ... from here.
2193 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2195 PR rtl-optimization/51856
2196 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2199 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2202 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2203 hints for neon loads and stores.
2205 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2209 * doc/extend.texi (Named Address Spaces): Split into subsections.
2210 (AVR Named Address Spaces): New subsection.
2211 (M32C Named Address Spaces): New subsection.
2212 (RL78 Named Address Spaces): New subsection.
2213 (SPU Named Address Spaces): New subsection.
2214 (Variable Attributes): New anchor "AVR Variable Attributes".
2215 (AVR Variable Attributes): Rewrite and avoid wording
2216 "address space" in this context.
2217 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2218 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2219 (AVR Built-in Macros): New subsubsection therein.
2220 * doc/md.texi (AVR constraints): Remove "C04", "R".
2222 2012-01-20 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/51903
2225 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2226 when removing stmts.
2228 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2231 * config/arm/arm.c (arm_load_pic_register): Use
2232 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2233 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2234 (arm_pic_static_addr): Likewise.
2235 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2236 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2237 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2238 (pic_load_addr_unified): New.
2240 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2243 * function.c (instantiate_virtual_regs_in_insn): Use
2244 delete_insn_and_edges when removing a wrong asm insn.
2246 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2248 PR rtl-optimization/40761
2249 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2250 Add new member loop_num.
2251 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2252 (ira_build): Remove the parameter.
2254 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2255 (ira.c): Do not build CFG loops for one region allocation. Remove
2256 argument from ira_build call.
2258 * ira-build.c (init_loop_tree_node): New function.
2259 (create_loop_tree_nodes): Use it. Separate the case when CFG
2260 loops are not built.
2261 (more_one_region_p): Check current_loops.
2262 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2264 (add_loop_to_tree): Process loop equal to NULL too.
2265 (form_loop_tree): Separate the case when CFG loops are not built.
2266 Use explicitly number for the root.
2267 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2269 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2270 instead of loop->num.
2271 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2272 (mark_all_loops_for_removal): Ditto.
2273 (remove_unnecessary_regions): Separate the case when CFG loops
2275 (ira_build): Remove the parameter. Use explicit number of regions
2276 when CFG loops are not built.
2278 * ira-color.c (print_loop_title): Separate the case for the root node.
2279 Use loop_num instead of loop->num.
2280 (move_spill_restore): Use loop_num instead of loop->num.
2282 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2283 (change_loop): Ditto.
2284 (change_loop): Use loop_num instead of loop->num.
2286 * ira-lives.c (process_bb_node_lives): Ditto.
2288 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2290 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2292 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2295 * tree-mudflap.c (mf_artificial): New function.
2296 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2297 mx_register_decls, mudflap_enqueue_decl): Use it.
2300 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2301 numbers in the insn pattern.
2303 2012-01-19 Michael Matz <matz@suse.de>
2305 PR tree-optimization/46590
2306 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2307 use it in remembering which conflicts we already created.
2308 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2311 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2314 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2315 (merge_and_complain): Same.
2317 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2320 * config/initfini-array.h: Guard content of the header
2321 with #ifdef HAVE_INITFINI_ARRAY.
2322 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2323 Add initfini-array.h to tm_file here.
2324 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2325 * config.gcc: Don't add initfini-array.h to tm_file here.
2326 * configure: Regenerated.
2328 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2330 PR rtl-optimization/51505
2331 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2332 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2333 (df_note_bb_compute): Update the call to df_kill_notes.
2335 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2337 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2339 2012-01-18 Richard Guenther <rguenther@suse.de>
2341 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2342 of conversions to void *.
2344 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2345 Richard Sandiford <rdsandiford@googlemail.com>
2349 * optabs.h (simplify_expand_binop): Declare.
2350 * optabs.c (simplify_expand_binop): Make global.
2351 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2352 endian targets if the source cannot be exactly covered by word
2355 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2358 * hard-reg-set.h (struct hard_reg_set_container): New type.
2359 * target.h (struct hard_reg_set_container): Forward declare.
2360 * target.def (set_up_by_prologue): New target hook.
2361 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2362 * doc/tm.texi: Regenerated.
2363 * function.c (thread_prologue_and_epilogue_insns): Change
2364 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2365 Call targetm.set_up_by_prologue on it.
2366 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2367 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2369 2012-01-17 Nick Clifton <nickc@redhat.com>
2371 * config/rx/rx.c (rx_can_use_simple_return): New function.
2372 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2373 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2375 2012-01-17 Richard Guenther <rguenther@suse.de>
2378 * expr.c (expand_assignment): Take address-space information
2379 from the address operand of MEM_REF and TARGET_MEM_REF.
2380 (expand_expr_real_1): Likewise.
2382 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2384 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2385 reload dump is requested.
2387 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2390 * trans-mem.c (requires_barrier): Call may_be_aliased.
2392 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2394 PR tree-optimization/51877
2395 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2396 call arguments and fndecls compare equal, instead return false if they
2397 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2398 both SSA_NAMEs that are valueized the same, or they satisfy
2401 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2403 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2405 * configure: Regenerate.
2407 2012-01-16 Jan Hubicka <jh@suse.cz>
2411 * convert.c (convert_to_integer): Use fold_convert for
2412 converting an INTEGER_CST to integer type.
2414 2012-01-16 Jason Merrill <jason@redhat.com>
2417 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2419 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2422 * config/s390/s390.c (s390_chunkify_start): Don't skip
2423 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2424 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2425 If insn is followed by NOTE_INSN_VAR_LOCATION or
2426 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2427 Don't use location of note insns.
2429 PR tree-optimization/51865
2430 * tree-inline.c (tree_function_versioning): Call remap_decl
2431 on DECL_RESULT whenever it has VOID_TYPE_P type.
2433 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2435 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2436 for calls to locally-binding MIPS16 functions if only the return
2437 type uses float regs.
2439 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2440 Richard Sandiford <rdsandiford@googlemail.com>
2442 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2443 (SYMBOL_32_HIGH): Likewise.
2444 (mips_output_tls_reloc_directive): Declare.
2445 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2446 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2447 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2448 (mips_lo_relocs, mips_hi_relocs): Make extern.
2449 (mips16_stub_function): Move up file.
2450 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2451 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2452 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2453 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2454 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2455 (mips_get_tp): Add MIPS16 support.
2456 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2457 Generalize DTPREL and TPREL handling.
2458 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2459 Add MIPS16 TLS support.
2460 (mips_output_tls_reloc_directive): New function.
2461 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2462 * config/mips/predicates.md (symbolic_operand_with_high)
2463 (tls_reloc_operand): New predicates.
2464 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2465 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2466 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2467 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2468 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2469 (*tls_get_tp_mips16_call_<mode>): Likewise.
2471 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2473 PR rtl-optimization/51821
2474 * recog.c (peep2_find_free_register): Determine clobbered registers
2477 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2480 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2481 * config/avr/avr.c: Likewise.
2482 * config/avr/avr.h: Likewise.
2484 2012-01-13 Ian Lance Taylor <iant@google.com>
2487 * tree.h (TYPE_QUALS): Add cast to int.
2488 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2490 2012-01-13 Ian Lance Taylor <iant@google.com>
2492 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2493 comparing param_index to VEC_length result.
2495 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2497 * c-decl.c: Do not include tree-mudflap.h
2498 * tree-optimize.c: Likewise.
2499 * Makefile.in: Update dependencies.
2501 2012-01-13 Richard Guenther <rguenther@suse.de>
2504 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2505 variable-sized result always use RSO.
2507 2012-01-12 DJ Delorie <dj@redhat.com>
2509 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2510 pointer type, not just the default pointer type.
2512 2012-01-09 Richard Henderson <rth@redhat.com>
2513 Denis Chertykov <chertykov@gmail.com>
2516 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2517 * config/avr/avr.c (avr_can_eliminate): Simplify.
2518 (avr_initial_elimination_offset): Likewise.
2519 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2520 (expand_epilogue): Likewise.
2521 (avr_legitimize_address): Gut.
2522 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2523 (avr_hard_regno_nregs): New.
2524 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2525 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2526 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2527 add soft frame pointer.
2528 (CALL_USED_REGISTERS): Likewise.
2529 (REG_CLASS_CONTENTS): Likewise.
2530 (REGISTER_NAMES): Likewise.
2531 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2532 (HARD_FRAME_POINTER_REGNUM): New.
2533 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2534 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2535 remove the HARD_FRAME_POINTER self-elimination.
2537 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2540 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2541 DECL_EXTERNAL when checking for initializers of progmem variables.
2543 2012-01-12 Ira Rosen <irar@il.ibm.com>
2545 PR tree-optimization/51799
2546 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2547 that the last operation is a type demotion.
2549 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2551 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2552 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2554 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2557 * combine.c (distribute_notes): If i3 is a noreturn call,
2558 allow old_size to be equal to args_size and make sure the
2559 noreturn call gets REG_ARGS_SIZE note.
2560 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2561 on noreturn calls even when the delta is 0.
2563 2012-01-11 Nathan Sidwell <nathan@acm.org>
2565 * gcov.c (STRING_SIZE): Remove.
2566 (generate_results): Erase annotations for source files with no
2567 coverage information.
2569 (output_lines): Use it.
2571 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2573 * gimple.h (gimplify_body): Remove first argument.
2574 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2575 pointer set here, instead just pass DATA to walk_tree.
2576 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2577 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2578 (unvisit_body): Likewise, but with unmark_visited.
2579 (gimplify_body): Remove BODY_P argument and adjust.
2580 (gimplify_function_tree): Adjust call to gimplify_body.
2581 * omp-low.c (finalize_task_copyfn): Likewise.
2583 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2585 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2586 (build_function_type_skip_args): Delete.
2587 * tree.c (build_function_type_skip_args): Make static and add
2588 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2589 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2590 pass it to build_function_type_skip_args.
2591 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2592 (tree_function_versioning): Likewise.
2593 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2594 build_function_decl_skip_args.
2595 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2596 and pass it to build_function_decl_skip_args/tree_function_versioning.
2597 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2598 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2599 * trans-mem.c (ipa_tm_create_version): Likewise.
2600 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2601 * tree-inline.c (declare_return_variable): Remove always-true test.
2602 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2603 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2604 * ipa-split.c (split_function): Skip the return value for the split
2605 part if it doesn't return.
2607 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2609 PR tree-optimization/49642
2610 * ipa-split.c (forbidden_dominators): New variable.
2611 (check_forbidden_calls): New function.
2612 (dominated_by_forbidden): Likewise.
2613 (consider_split): Check for forbidden dominators.
2614 (execute_split_functions): Initialize and free forbidden
2615 dominators info; call check_forbidden_calls.
2617 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2619 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2621 2012-01-11 Nick Clifton <nickc@redhat.com>
2623 * config/rx/rx.md (return): Define pattern.
2625 2012-01-11 Richard Guenther <rguenther@suse.de>
2627 * doc/extend.texi (malloc attribute): Adjust according to
2630 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2631 Patrick Marlier <patrick.marlier@gmail.com>
2634 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2635 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2636 (ipa_tm_note_irrevocable): Same.
2637 (ipa_tm_scan_irr_block): Same.
2638 (ipa_tm_decrement_clone_counts): Same.
2639 (ipa_tm_scan_irr_function): Same.
2640 (ipa_tm_create_version_alias): Same.
2641 (ipa_tm_create_version): Same.
2642 (ipa_tm_transform_calls_redirect): Same.
2643 (ipa_tm_transform_calls): Same.
2644 (ipa_tm_transform_transaction): Same.
2645 (ipa_tm_execute): Same.
2647 2012-01-10 Richard Guenther <rguenther@suse.de>
2650 * opts.c (common_handle_option): Handle -Werror.
2652 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2654 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2657 2012-01-10 Jason Merrill <jason@redhat.com>
2659 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2662 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2664 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2665 supports R_386_TLS_GD_PLT reloc.
2666 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2667 supports R_386_TLS_LDM_PLT reloc.
2668 * configure: Regenerate.
2669 * config.in: Regenerate.
2671 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2674 Extend __pgmx semantics to linearize memory.
2675 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2676 determine if code comes inline or from libgcc.
2677 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2678 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2679 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2680 (movmemx_qi, movmemx_hi): New insns.
2681 (xload_<mode>_libgcc): Rewrite to new insn condition.
2682 (xload_<mode>): Remove insns.
2683 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2684 cases that don't satisfy avr_xload_libgcc_p().
2685 (avr_addr_space_convert): Allow converting in any direction.
2686 (avr_addr_space_subset_p): Return always true.
2687 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2688 (avr_emit_movmemhi): Ditto.
2689 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2690 (avr_out_movmem): Ditto.
2691 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2692 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2693 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2694 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2695 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2697 2012-01-10 Richard Guenther <rguenther@suse.de>
2699 PR tree-optimization/50913
2700 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2701 Require data-refs to be representable by Graphite with respect
2704 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2706 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2707 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2709 2012-01-10 Tom de Vries <tom@codesourcery.com>
2711 PR rtl-optimization/51271
2712 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2713 handling annulled branch.
2715 2012-01-10 Richard Henderson <rth@redhat.com>
2717 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2718 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2719 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2720 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2721 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2722 arm_expand_vec_perm_const): New.
2723 * config/arm/arm-protos.h: Update.
2724 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2725 (*neon_vswp<VDQX>): New.
2726 (neon_vcombine<VDX>): Use neon_split_vcombine.
2727 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2728 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2729 (vec_perm<VE>): New.
2731 2012-01-10 Richard Henderson <rth@redhat.com>
2733 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2734 use it if reload_completed.
2735 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2736 arm_output_asm_insn, arm_process_output_memory_barrier,
2737 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2738 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2739 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2740 arm_process_output_sync_insn, arm_output_sync_insn,
2741 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2742 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2743 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2744 (emit_unlikely_jump): New.
2745 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2746 (arm_split_atomic_op): New.
2747 * config/arm/arm-protos.h: Update.
2748 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2749 (struct arm_sync_generator): Remove.
2750 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2751 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2752 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2753 (VUNSPEC_LL, VUNSPEC_SC): New.
2754 (sync_result, sync_memory, sync_required_value, sync_new_value,
2755 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2756 (attr length): Don't use arm_sync_loop_insns.
2757 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2758 (movsfcc, movdfcc): Likewise.
2759 * config/arm/constraints.md (Ua): New.
2760 * config/arm/prediates.md (mem_noofs_operand): New.
2761 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2762 (sync_clobber, sync_t2_reqd): Remove.
2763 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2764 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2765 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2766 (arm_sync_compare_and_swap<SIDI>): Remove.
2767 (arm_sync_compare_and_swap<NARROW>): Remove.
2768 (arm_sync_lock_test_and_set<SIDI>): Remove.
2769 (arm_sync_lock_test_and_set<NARROW>): Remove.
2770 (arm_sync_new_<syncop><SIDI>): Remove.
2771 (arm_sync_new_<syncop><NARROW>): Remove.
2772 (arm_sync_new_nand<SIDI>): Remove.
2773 (arm_sync_new_nand<NARROW>): Remove.
2774 (arm_sync_old_<syncop><SIDI>): Remove.
2775 (arm_sync_old_<syncop><NARROW>): Remove.
2776 (arm_sync_old_nand<SIDI>): Remove.
2777 (arm_sync_old_nand<NARROW>): Remove.
2778 (*memory_barrier): Merge arm_output_memory_barrier.
2779 (atomic_compare_and_swap<QHSD>): New.
2780 (atomic_compare_and_swap<NARROW>_1): New.
2781 (atomic_compare_and_swap<SIDI>_1): New.
2782 (atomic_exchange<QHSD>): New.
2783 (cas_cmp_operand, cas_cmp_str): New.
2784 (atomic_op_operand, atomic_op_str): New.
2785 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2786 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2787 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2788 (arm_load_exclusive<NARROW>): New.
2789 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2790 (arm_store_exclusive<QHSD>): New.
2792 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2794 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2795 reload patterns if -mvsx-scalar-memory.
2797 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2798 generated, even -mno-vsx-scalar-double was used.
2799 (vsx_xscvdpsp_scalar): Likewise.
2800 (vsx_xscvspdp_scalar2): Likewise.
2802 2012-01-09 Tom de Vries <tom@codesourcery.com>
2803 Andrew Pinski <apinski@cavium.com>
2806 * reorg.c (fill_slots_from_thread): Don't speculate
2807 frame-related insns.
2809 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2811 * sched-int.h (bb_note): Move to...
2812 * basic-block.h: ...here.
2813 * haifa-sched.c (bb_note): Move to...
2814 * cfgrtl.c: ...here.
2815 * function.c (next_block_for_reg): New function.
2816 (move_insn_for_shrink_wrap): Likewise.
2817 (prepare_shrink_wrap): Rewrite to use the above.
2819 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2821 * gimple.c (is_gimple_non_addressable): Remove.
2822 * gimple.h: Remove is_gimple_non_addressable.
2823 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2824 is_gimple_non_addressable.
2825 * trans-mem.c (expand_assign_tm): Same.
2827 2012-01-09 Richard Guenther <rguenther@suse.de>
2829 PR tree-optimization/51775
2830 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2831 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2833 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2835 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2837 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2839 2012-01-09 Richard Guenther <rguenther@suse.de>
2841 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2843 2012-01-08 Jan Hubicka <jh@suse.cz>
2845 PR tree-optimize/51680
2846 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2847 on when known_vals needs to be computed; cleanup.
2849 2012-01-08 Jan Hubicka <jh@suse.cz>
2851 PR tree-optimize/51694
2852 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2854 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2856 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2857 for -std=c++98 and -std=c++11 too.
2859 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2861 * cfgloop.c (cancel_loop): Add free() of bbs array.
2863 2012-01-07 Jan Hubicka <jh@suse.cz>
2865 PR tree-optimization/51600
2866 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2867 that benefits small functions.
2869 2012-01-07 Jan Hubicka <jh@suse.cz>
2871 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2873 2012-01-07 Jan Hubicka <jh@suse.cz>
2875 PR tree-optimization/51680
2876 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2877 whose inlining reduce unit size.
2879 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2882 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2883 Add canonical node to containing_mem chain after the non-canonical
2884 one, even if there weren't any locs to propagate.
2885 (remove_useless_values): Keep only canonical values.
2886 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2887 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2888 canonicalize mem_chain elements that are not discarded.
2890 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2893 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2894 before emitting functions.
2896 PR gcov-profile/50127
2897 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2898 clear_aux_for_blocks.
2900 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2903 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2905 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2907 * c-decl.c (ext_block): Moved up.
2908 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2910 2012-01-06 Han Shen <shenhan@google.com>
2912 Translate built-in include paths for sysroot.
2913 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2914 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2916 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2917 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2919 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2920 control whether sysroot should be prepended to gxx include dir.
2922 * configure: Regenerate.
2924 2012-01-06 Torvald Riegel <triegel@redhat.com>
2926 PR rtl-optimization/51771
2927 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2928 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2930 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2932 PR tree-optimization/51315
2933 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2934 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2936 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2939 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2940 for shrp pattern. Correctly handle and fixup shift variable.
2941 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2943 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2946 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2947 note when !ACCUMULATE_OUTGOING_ARGS.
2949 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2951 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2953 (extract_range_from_unary_expr_1): Avoid useless computations.
2955 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2957 PR rtl-optimization/51767
2958 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2959 of jump_block and add an extra edge for degenerated asm gotos.
2962 * stmt.c (check_unique_operand_names): Don't ICE during error
2963 reporting if i is from labels chain.
2966 * profile.c (branch_prob): Split bbs that have exit edge
2967 and need a fake entry edge too.
2969 2012-01-05 Jan Hubicka <jh@suse.cz>
2972 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2975 2012-01-05 Richard Guenther <rguenther@suse.de>
2978 * tree-streamer-out.c (write_ts_optimization): New function.
2979 (streamer_write_tree_body): Call it.
2980 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2981 (streamer_read_tree_body): Call it.
2982 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2984 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2987 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2988 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2989 in_cleanup_point_expr before gimplify_stmt call and restore it
2991 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2992 in_cleanup_point_expr is false.
2994 2012-01-05 Richard Guenther <rguenther@suse.de>
2997 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2999 * toplev.c (process_options): Reject combining mudflap and LTO.
3000 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3002 2012-01-05 Richard Guenther <rguenther@suse.de>
3004 PR tree-optimization/51760
3005 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3007 (bit_value_unop): Handle UNDEFINED operands.
3008 (bit_value_binop): Likewise.
3010 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3012 * config/avr/avr.c (avr_replace_prefix): Remove.
3013 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3014 (avr_asm_function_rodata_section): Ditto.
3015 (avr_asm_select_section): Ditto.
3017 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3019 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3022 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3025 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3026 calls that have any non-fake successor edges.
3029 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3031 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3033 PR tree-optimization/51624
3034 * tree-sra.c (build_ref_for_model): When replicating a chain of
3035 COMPONENT_REFs, stop as soon as the offset would become negative.
3037 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3040 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3041 in .debug_loc on the floor.
3043 2012-01-04 Andrew Pinski <apinski@cavium.com>
3045 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3047 2012-01-04 Andrew Pinski <apinski@cavium.com>
3048 Adam Nemet <anemet@caviumnetworks.com>
3050 * config/mips/mips.md (size): Add SI and DI.
3051 (SIZE): New mode attribute.
3052 (U): New code attribute.
3053 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3054 (mips_lbux_<mode>): Delete.
3055 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3056 (mips_lhx): Use gen_mips_lhx_extsi.
3057 (mips_lhx_<mode>): Delete.
3059 (mips_l<size>x): New expand.
3060 (mips_lwx_<mode>): Delete.
3061 (mips_l<GPR:size>x_<P:mode>): New pattern.
3062 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3063 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3064 * config/mips/mips.c (mips_lx_address_p): New function.
3065 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3066 (dsp64): New availability predicate.
3067 (mips_builtins): Add an entry for __builtin_mips_ldx.
3068 * config/mips/mips.h (ISA_HAS_LBX): New define.
3069 (ISA_HAS_LBUX): Likewise.
3070 (ISA_HAS_LHX): Likewise.
3071 (ISA_HAS_LHUX): Likewise.
3072 (ISA_HAS_LWX): Likewise.
3073 (ISA_HAS_LWUX): Likewise.
3074 (ISA_HAS_LDX): Likewise.
3075 * doc/extend.texi (__builtin_mips_ldx): Document.
3077 2012-01-04 Tristan Gingold <gingold@adacore.com>
3079 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3080 when long pointers are used.
3081 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3082 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3083 (ia64-hp-*vms*): Remove.
3084 * config/vms/xm-vms64.h: Delete.
3086 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3089 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3091 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3093 * opts.c (finish_options): Remove duplicate sorry.
3095 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3098 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3101 2012-01-04 Richard Guenther <rguenther@suse.de>
3104 * tree.c (size_low_cst): New function.
3105 * tree.h (size_low_cst): Declare.
3106 * fold-const.c (fold_comparison): Use it to extract the low
3107 part of the POINTER_PLUS_EXPR offset.
3109 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3111 Fix clearing ZERO_REG
3112 * config/avr/avr.md (cc): Add alternative "ldi".
3113 (movqi_insn): Use it in cc attribute.
3114 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3115 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3116 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3118 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3120 * configure: Regenerate.
3122 2012-01-04 Richard Guenther <rguenther@suse.de>
3124 PR tree-optimization/49651
3125 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3126 (var_can_have_subvars): Use it.
3127 (get_constraint_for_1): Only consider subfields if there can be any.
3129 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3132 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3133 to its new canonical_cselib_val and the cselib_val was in
3134 first_containing_mem chain, but the canonical_cselib_val was not,
3135 add the latter into the chain.
3136 (cselib_invalidate_mem): Compare canonical_cselib_val of
3137 addr_list chain elt with v.
3140 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3141 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3143 (output_macinfo_op): Don't ggc_strdup fd->filename.
3144 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3145 then ggc_strdup it. Don't free inc->info or cur->info.
3146 (output_macinfo): Don't free ref->info or file->info.
3148 2012-01-03 Ira Rosen <irar@il.ibm.com>
3150 PR tree-optimization/51269
3151 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3152 first_niters a pointer.
3153 (slpeel_tree_peel_loop_to_edge): Likewise.
3154 (vect_do_peeling_for_loop_bound): Update call to
3155 slpeel_tree_peel_loop_to_edge.
3156 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3157 here. Remove it from the parameters list.
3158 (vect_do_peeling_for_alignment): Update calls and compute
3161 2012-01-03 Richard Guenther <rguenther@suse.de>
3163 PR tree-optimization/51070
3164 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3165 Properly handle calls.
3167 2012-01-03 Richard Guenther <rguenther@suse.de>
3169 PR tree-optimization/51692
3170 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3171 the LHS of allocation stmts.
3173 2012-01-03 Olivier Hainque <hainque@adacore.com>
3175 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3177 2012-01-03 Olivier Hainque <hainque@adacore.com>
3179 * collect2.c (main): In AIX specific computations for vector
3180 insertions, use CONST_CAST2 to cast from char ** to const char **.
3182 2012-01-03 Richard Guenther <rguenther@suse.de>
3185 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3186 the context of a limbo DIE when it does not already exist.
3188 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3190 PR tree-optimization/51719
3191 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3192 but direct call is, clear direct call's lhs and don't add fallthrough
3193 edge from dcall_bb to join_bb and PHIs.
3195 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3197 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3198 the instructions emitted by the pattern.
3199 ("*TDC_insn_<mode>"): Add comment.
3201 2012-01-03 Richard Guenther <rguenther@suse.de>
3204 * fold-const.c (fold_comparison): Properly canonicalize
3205 tree offset and HOST_WIDE_INT bit position.
3207 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3209 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3210 operands for extzv pattern.
3212 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3215 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3218 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3220 * doc/invoke.texi (-flto and related options): Copy-edit.
3222 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3224 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3226 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3228 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3231 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3233 * expr.h (move_by_pieces_ninsns): Declare.
3234 * expr.c (move_by_pieces_ninsns): Make external.
3235 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3236 (mips_store_by_pieces_p): Likewise.
3237 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3238 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3239 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3240 (mips_store_by_pieces_p): Likewise.
3242 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3244 * passes.c (register_one_dump_file): Free full_name.
3246 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3247 (calculate_elim_costs_all_insns): Free offsets_at and
3248 offsets_known_at at the end and clear the pointers.
3250 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3252 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3253 this option introduced in r180739.
3255 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3258 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3259 (tmake_file target=avr): Add avr/t-multilib.
3261 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3262 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3263 * config/avr/genmultilib.awk: New file.
3264 * config/avr/t-multilib: New auto-generated file.
3265 * config/avr/multilib.h: New auto-generated file.
3266 * config/avr/t-avr (AVR_MCUS): New variable.
3267 (genopt.sh): Use it.
3268 (s-mlib): Depend on t-multilib.
3269 (t-multilib, multilib.h): New dependencies.
3270 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3271 (MULTILIB_OPTIONS): Remove.
3272 (MULTILIB_MATCHES): Remove.
3273 (MULTILIB_DIRNAMES): Remove.
3274 (MULTILIB_EXCEPTIONS): Remove:
3275 * config/avr/genopt.sh: Don't use hard coded file name;
3276 pass AVR_MCUS from t-avr instead.
3278 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3280 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3282 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3284 Implement light-weight DImode support.
3285 * config/avr/avr-dimode.md: New file.
3286 * config/avr/avr.md: Include it.
3287 (adjust_len): Add plus64, compare64.
3288 (HIDI): Remove code iterator.
3289 (code_stdname): New code attribute.
3290 (rotx, rotsmode): Remove DI.
3291 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3293 * config/avr/avr-protos.h (avr_have_dimode): New.
3294 (avr_out_plus64, avr_out_compare64): New.
3295 * config/avr/avr.c (avr_out_compare): Handle DImode.
3296 (avr_have_dimode): New variable definition and initialization.
3297 (avr_out_compare64, avr_out_plus64): New functions.
3298 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3299 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3300 (avr_compare_pattern): Skip DImode comparisons.
3302 2012-01-02 Revital Eres <revital.eres@linaro.org>
3304 * ddg.c (def_has_ccmode_p): New function.
3305 (add_cross_iteration_register_deps,
3306 create_ddg_dep_from_intra_loop_link): Call it.
3308 2012-01-02 Richard Guenther <rguenther@suse.de>
3311 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3313 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3315 * gcc.c (process_command): Update copyright notice dates.
3316 * gcov.c (print_version): Likewise.
3317 * gcov-dump.c (print_version): Likewise.
3318 * mips-tfile.c (main): Likewise.
3319 * mips-tdump.c (main): Likewise.
3321 2012-01-01 Ira Rosen <irar@il.ibm.com>
3323 PR tree-optimization/51704
3324 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3325 a use is inside the basic block or loop before accessing its vect info.
3327 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3329 PR rtl-optimization/51069
3330 * cfgloopmanip.c (remove_path): Removing path making irreducible
3331 region unconditional makes BB part of the region.
3333 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3335 PR tree-optimization/51683
3336 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3337 calls with side-effects.
3338 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3340 Copyright (C) 2012 Free Software Foundation, Inc.
3342 Copying and distribution of this file, with or without modification,
3343 are permitted in any medium without royalty provided the copyright
3344 notice and this notice are preserved.