1 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3 * doc/extend.texi (AVR Built-in Functions): Document
4 __builtin_avr_flash_segment.
6 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
7 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
8 (*split.flash_segment): New insn-and-split.
9 * config/avr/avr.c (avr_init_builtins): Add local variables:
10 const_memx_void_node, const_memx_ptr_type_node,
11 char_ftype_const_memx_ptr.
13 2012-03-01 Jakub Jelinek <jakub@redhat.com>
15 PR tree-optimization/52445
16 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
17 add ssa_name_ver, offset and size fields and change store field
19 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
20 (add_or_mark_expr): Likewise. Only consider previous stores
21 with the same size and offset.
22 (nt_init_block): Only look at gimple_assign_single_p stmts,
25 2012-03-01 Richard Guenther <rguenther@suse.de>
28 * tree-cfg.c (verify_gimple_assign_unary): Allow any
29 conversions from integral types to pointer types.
31 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
33 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
34 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
35 unintentionally removed in r184616.
37 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
39 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
42 2012-02-29 Jakub Jelinek <jakub@redhat.com>
43 Uros Bizjak <ubizjak@gmail.com>
46 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
47 alternatives, add "e" constraint to the new last alternative
48 and ! to last 3 alternatives.
50 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
52 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
53 DW_AT_artificial attributes at the end of the processing.
54 (gen_array_type_die): Likewise.
55 (gen_enumeration_type_die): Likewise.
56 (gen_struct_or_union_type_die): Likewise.
57 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
60 2012-02-29 Jakub Jelinek <jakub@redhat.com>
63 * expr.c (expand_assignment): If doing misaligned store that doesn't
64 cover all mode bits, perform a RMW cycle.
66 PR tree-optimization/52429
67 * tree-parloops.c (separate_decls_in_region_debug): Return early
70 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
72 PR tree-optimization/52424
73 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
74 calling dom_thread_across_edge.
76 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
78 * config/avr/avr.c: Move definition of TARGET macros to end of file.
80 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
82 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
83 * config/avr/avr.c (avr_output_bld): Remove unused function.
84 (avr_out_sbxx_branch): Use "%T" to print bit position.
86 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
88 * config/avr/avr.md: Untabify.
90 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
92 * config/avr/avr.md (eqne): New code iterator.
93 (*dec-and-branchsi): Use it in text peephole's condition.
94 (*dec-and-branchhi): Ditto.
95 (*dec-and-branchqi): Ditto.
97 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
100 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
101 the device does not have the skip-bug.
103 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
105 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
106 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
107 -mpretend-cmove): New.
109 2012-02-29 Jakub Jelinek <jakub@redhat.com>
112 * df.h (struct df_d): Adjust comment that hard_regs_live_count
113 doesn't count DEBUG_INSN refs.
114 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
117 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
121 2012-02-20 Richard Guenther <rguenther@suse.de>
122 PR tree-optimization/52298
123 * tree-vect-stmts.c (vectorizable_load): Properly use
124 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
127 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
130 * gimple.h (gimple_in_transaction): New.
131 (gimple_set_in_transaction): New.
132 (struct gimple_statement_base): Add in_transaction field.
133 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
135 (tree_ssa_lim_initialize): Compute transaction bits.
136 * tree.h (compute_transaction_bits): Protoize.
137 * trans-mem.c (tm_region_init): Use the heap to store BB
139 (compute_transaction_bits): New.
141 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
143 * gcc.c (display_help): Document --help=common and sort entries
146 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
148 * doc/install.texi: Document check-$LANG specific shortcuts
150 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
153 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
155 * config/arm/arm_neon.h: Regenerate.
156 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
157 (neon_vcgeu): New insn.
158 (neon_vcgtu): Likewise.
159 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
160 (ops): Unsigned comparison intrinsics call a different
163 2012-02-28 Richard Guenther <rguenther@suse.de>
166 * config/i386/i386.c (ix86_expand_vector_set): Fix element
167 ordering for the VEC_CONCAT for two element vectors for
168 V2SFmode, V2SImode and V2DImode.
170 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
173 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
174 detecting big-endian triplets.
176 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
178 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
179 mode if there is no type information available.
181 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
183 PR tree-optimization/53207
184 * doc/invoke.texi: Document as experimental and relying on graphite.
186 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
188 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
189 of initializer to changes from r184614.
191 2012-02-28 Richard Guenther <rguenther@suse.de>
193 PR tree-optimization/52395
194 * tree-sra.c (build_ref_for_offset): Also look at the base
195 TYPE_ALIGN when figuring out the alignment of the replacement.
197 2012-02-28 Richard Guenther <rguenther@suse.de>
199 PR tree-optimization/52402
200 * ipa-prop.c (ipa_modify_call_arguments): Properly use
201 mis-aligned types when creating the accesses at the call site.
203 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
205 * config/avr/builtins.def: New file.
206 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
207 * config/avr/avr.c (enum avr_builtin_id): Use it.
208 (avr_init_builtins): Use it. And use avr_bdesc.
209 (bdesc_1arg): Remove.
210 (bdesc_2arg): Remove.
211 (bdesc_3arg): Remove.
212 (struct avr_builtin_description): Add field n_args.
213 (avr_bdesc): New static variable using builtins.def.
214 (avr_expand_builtin): Use it.
215 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
216 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
217 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
219 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
222 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
223 match only one single hard register with respective hard reg rtx.
224 (movmemx_<mode>): Ditto.
225 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
226 insn anatomy of movmem[x]_<mode>.
227 (avr_out_movmem): Same for printing assembler and operand usage.
229 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
233 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
234 address spaces located outside of device flash.
236 * config/avr/avr.h (base_arch_s): Remove field n_segments.
237 (mcu_type_s): Add field n_flash.
238 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
239 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
240 (AVR_MCU): Add N_FLASH argument.
241 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
242 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
243 macro __FLASH<n> if that address space makes sense for the device.
244 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
245 outside of target flash.
246 (avr_asm_named_section): Ditto.
247 (avr_asm_select_section): Ditto.
248 (avr_addr_space_convert): Ditto.
249 (avr_emit_movmemhi): Ditto.
250 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
251 address space is outside of device flash.
252 (avr_insert_attributes): Ditto.
253 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
254 avr_current_arch->n_segments.
256 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
259 * config/i386/i386.md (*movabs<mode>_1): Enable only for
261 (*movabs<mode>_2): Likewise.
263 2012-02-27 Jakub Jelinek <jakub@redhat.com>
266 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
267 s_register_operand in the test instead of REG_P. Don't call
268 gen_reg_rtx if it won't be used.
270 PR tree-optimization/52376
271 * ipa-split.c (split_function): Ignore CLOBBER stmts.
273 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
275 * ifcvt.c (noce_get_condition): Check condition variable is not
276 small_register_classes_for_mode_p before accepting.
278 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
280 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
282 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
285 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
286 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
288 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
290 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
292 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
294 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
296 * config/sh/predicates.md: Remove blank lines.
297 * config/sh/sh.c: Fix typos in comments.
298 * config/sh/constraints.md: Likewise.
299 * config/sh/sh.md: Remove blank lines.
300 Fix typos in comments. Use ;; as comment characters.
302 2012-02-26 Walter Lee <walt@tilera.com>
304 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
305 (replace_mov_pcrel_step2): Ditto.
307 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
310 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
311 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
312 and locs that reference values newer than the non-canonical value
313 at hand. Return the canonical value as a worst case.
314 (memrefs_conflict_p): Walk canonical value's locs.
317 * cselib.c (preserve_only_constants): Rename to...
318 (preserve_constants_and_equivs): ... this. Split out...
319 (invariant_or_equiv_p): ... this. Preserve plus expressions
320 of other preserved expressions too.
321 (cselib_reset_table): Adjust.
322 * var-tracking.c (reverse_op): Use canonical value to build
325 2012-02-23 Kai Tietz <ktietz@redhat.com>
327 * config/i386/i386.c (ix86_delegitimize_address): Handle
328 UNSPEC_PCREL plus displacement.
330 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
333 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
334 to test for unusedness in st X addressing.
336 2012-02-24 Richard Guenther <rguenther@suse.de>
339 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
340 (is_gimple_reg_type): Move inline ...
341 * gimple.h (is_gimple_reg_type): ... here.
343 2012-02-24 Richard Guenther <rguenther@suse.de>
346 * passes.c (execute_function_todo): When verifying SSA form
347 verify gimple form first.
348 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
350 2012-02-24 Richard Guenther <rguenther@suse.de>
353 * fold-const.c (fold_addr_of_array_ref_difference): New function.
354 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
356 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
358 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
360 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
362 * tree-phinodes.c (make_phi_node): Mark static.
363 * tree-flow.h (make_phi_node): Remove extern decl.
364 * doc/gimple.texi (make_phi_node): Remove documentation.
366 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
368 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
369 * tree-ssa-sccvn.c (print_scc): Ditto.
371 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
373 * doc/passes.texi (Full redundancy elimination): Fix typo.
375 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
377 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
379 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
382 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
384 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
387 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
389 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
391 * config/avr/avr.md (code_stdname): Add ior, xor.
392 (xior): New code iterator.
393 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
394 (*<code_stdname><mode>qi.byte1-3): Ditto.
396 2012-02-23 Jakub Jelinek <jakub@redhat.com>
398 PR tree-optimization/52019
399 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
402 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
404 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
405 HAVE_INITFINI_ARRAY to work around namespace pollution in
406 certain versions of newlib system headers.
407 * config.in: Regenerate.
408 * configure: Regenerate.
409 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
410 instead of HAVE_INITFINI_ARRAY.
412 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
415 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
416 is not offsettable memory reference.
418 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
421 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
422 setting avr_need_clear_bss_p for __gnu_lto* symbols.
424 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
426 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
427 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
429 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
431 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
432 library on Solaris 8 even without TLS support.
433 * configure: Regenerate.
435 2012-02-22 Richard Guenther <rguenther@suse.de>
438 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
439 for GIMPLE_DEBUG stmts.
441 2012-02-22 Martin Jambor <mjambor@suse.cz>
444 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
445 according to the base object.
447 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
449 PR rtl-optimization/50063
450 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
451 and 2 (8-bit SP) in operand 2.
452 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
453 setup to use movhi_sp_r instead of vanilla move to write SP.
454 Adjust REG_CFA notes to superseed unspec.
455 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
457 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
458 known to be off) only with TARGET_NO_INTERRUPTS. Never use
459 irq_state 1 (IRQ known to be on) here.
461 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
463 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
465 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
466 assign_hard_reg): Likewise.
468 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
470 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
472 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
475 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
476 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
478 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
480 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
481 prototype from here to...
482 * config/avr/avr.h: ...here.
484 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
487 * thumb2.md (thumb2_shiftsi3_short): Split register and
488 immediate shifts. For register shifts tie operands 0 and 1.
489 (peephole2 for above): Check that register-controlled shifts
490 have suitably tied operands.
492 2012-02-21 Quentin Neill <quentin.neill@amd.com>
495 * config/i386/bdver1.md (bdver1_call, bdver1_push,
496 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
497 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
498 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
499 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
500 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
501 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
502 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
503 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
504 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
505 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
506 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
507 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
508 bdver1_ssevector_avx256_unaligned_load,
509 bdver1_ssevector_sse128_unaligned_load,
510 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
511 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
512 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
513 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
514 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
515 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
516 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
517 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
518 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
519 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
520 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
521 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
522 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
523 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
524 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
525 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
526 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
527 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
528 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
529 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
530 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
531 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
532 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
533 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
534 bdver1_ssediv_double_load, bdver1_ssediv_double,
535 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
536 Add "bdver2" attribute.
538 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
540 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
541 default if possible and not specified otherwise.
543 2012-02-21 Richard Guenther <rguenther@suse.de>
546 * gimplify.c (create_tmp_from_val): Use the main variant type
547 for the type of the temporary we create.
549 2012-02-21 Richard Guenther <rguenther@suse.de>
551 PR tree-optimization/52324
552 * gimplify.c (gimplify_expr): When re-gimplifying expressions
553 do not gimplify a MEM_REF address operand if it is already
556 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
558 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
559 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
561 2012-02-21 Richard Guenther <rguenther@suse.de>
563 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
566 2012-02-21 Jakub Jelinek <jakub@redhat.com>
568 PR tree-optimization/52318
569 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
570 vdef also to non-pure/const call stmts in the sequence.
572 2012-02-20 David S. Miller <davem@davemloft.net>
574 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
575 don't use the "rd %pc" instruction on v9 for PIC register loads.
577 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
580 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
581 in a transaction safe function.
583 2012-02-20 Kai Tietz <ktietz@redhat.com>
586 * stor-layout.c (place_field): Handle desired_align for
589 2012-02-20 Richard Guenther <rguenther@suse.de>
591 PR tree-optimization/52298
592 * tree-vect-stmts.c (vectorizable_store): Properly use
593 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
595 (vectorizable_load): Likewise.
596 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
597 Access DR_STEP after ensuring it is not NULL.
599 2012-02-20 Jakub Jelinek <jakub@redhat.com>
601 PR tree-optimization/52286
602 * fold-const.c (fold_binary_loc): For (X & C1) | C2
603 optimization use double_int_to_tree instead of build_int_cst_wide,
604 rewrite to use double_int vars.
606 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
609 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
611 Remove -e 0 from $gcc_cv_ld invocation.
612 Only use __GLIBC_PREREQ if defined.
613 Enable on Solaris since Solaris 8 patch.
614 (gcc_SUN_LD_VERSION): New macro.
615 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
616 gcc_SUN_LD_VERSION for version number format.
617 * configure: Regenerate.
618 * varasm.c (get_elf_initfini_array_priority_section): Set
619 SECTION_NOTYPE for non-default priority.
620 Use get_section instead of get_unnamed_section to emit
621 .init_array/.fini_array with default priority.
623 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
625 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
626 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
627 (mips_start_unique_function, mips_output_mips16_rdhwr)
628 (mips_code_end): New functions.
629 (TARGET_ASM_CODE_END): Define.
631 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
633 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
634 to stubs with non-sibling calls.
636 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
638 * doc/invoke.texi (-fira-* options): Copy-edit.
639 (ira-* parameters): Copy-edit.
641 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
643 * doc/invoke.texi: Minor copy-edits to bring into conformance with
644 GCC coding conventions.
646 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
648 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
649 when used as adjectives.
651 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
653 * doc/invoke.texi: Clean up "that"/"which" confusion.
655 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
657 * system.h: Poison SMALL_REGISTER_CLASSES
658 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
659 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
661 2012-02-16 Jakub Jelinek <jakub@redhat.com>
663 PR tree-optimization/52285
664 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
665 when deciding if a call is a tail call or tail recursion.
667 2012-02-16 Kai Tietz <ktietz@redhat.com>
669 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
670 interger-constant displacement for UNSPEC_PCREL.
672 2012-02-16 Jakub Jelinek <jakub@redhat.com>
674 PR rtl-optimization/52208
675 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
676 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
678 PR tree-optimization/52255
679 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
680 loop->header has virtual PHI, but exit_e->dest doesn't, add
681 virtual PHI to exit_e->dest and adjust all uses after the loop.
684 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
685 children with clone_tree_hash, not after it.
687 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
689 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
690 extended identifiers.
692 2012-02-16 Jakub Jelinek <jakub@redhat.com>
695 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
696 a same_body_alias, also test whether e->callee isn't a former
697 or current clone of the decl this is a same body alias of.
700 * cgraphunit.c (verify_cgraph_node): Fix a typo.
702 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
704 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
706 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
709 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
710 force_reg instead of copy_to_reg for better optimization. Force
711 non-register or memory operands into a register.
713 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
715 * extend.texi: Reserve upper bits of memory model for future use.
717 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
718 Anatoly Sokolov <aesok@post.ru>
719 Eric Weddington <eric.weddington@atmel.com>
722 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
723 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
724 Rewrite initializers for .macro.
725 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
726 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
727 atxmega32d4, atxmega32x1.
728 avrxmega4: atxmega64a3, atxmega64d3.
729 avrxmega5: atxmega64a1, atxmega64a1u.
730 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
731 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
732 avrxmega7: atxmega128a1, atxmega128a1u.
733 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
734 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
735 (struct base_arch_s): Rename reserved to xmega_p.
736 Rename reserved2 to have_rampd.
737 (AVR_XMEGA): New define.
738 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
739 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
740 * config/avr/predicates.md (io_address_operand): Take into
742 (low_io_address_operand): Ditto.
743 (high_io_address_operand): Ditto.
744 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
745 (enabled, movhi_sp_r): Use them.
746 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
747 cpp_define_formatted to built-in define __AVR_ARCH__.
748 (__AVR_XMEGA__): New built-in define.
749 (__AVR_HAVE_RAMPD__): New built-in define.
750 (__AVR_HAVE_RAMPX__): New built-in define.
751 (__AVR_HAVE_RAMPY__): New built-in define.
752 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
754 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
755 (avr_option_override): Initialize them.
756 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
757 (avr_init_expanders): Initialize them. No more block several calls.
758 (emit_push_sfr): New static function.
759 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
761 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
762 (avr_print_operand): Print addreeses as symbols for
763 RAMPX, RAMPY, RAMPD, CCP.
764 (output_movhi): Handle AVR_XMEGA when writing to SP.
765 (avr_out_movhi_mr_r_xmega): New static function.
766 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
767 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
768 __RAMPD__, __CCP__ as needed.
770 * config/avr/multilib.h: Regenerate.
771 * config/avr/t-multilib: Regenerate.
772 * config/avr/avr-tables.opt: Regenerate.
774 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
776 PR tree-optimization/50561
777 * graphite-flattening.c (lst_project_loop): Do not
778 remove old scattering dimensions after flattening.
779 (lst_do_flatten): Likewise.
781 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
783 * doc/extend.texi (AVR Built-in Functions): Remove doc for
784 __builtin_avr_map8, __builtin_avr_map16.
785 Document __builtin_avr_insert_bits.
787 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
788 (insert_bits): New insn.
789 (adjust_len.map_bits): Rename to insert_bits.
790 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
791 * avr-protos.h (avr_out_map_bits): Remove.
792 (avr_out_insert_bits, avr_has_nibble_0xf): New.
793 * config/avr/constraints.md (Cxf,C0f): New.
794 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
795 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
796 New built-in define __BUILTIN_AVR_INSERT_BITS.
797 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
798 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
799 (avr_move_bits): Rewrite.
800 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
802 (avr_map_op_t): New typedef.
803 (avr_map_op): New static variable.
804 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
805 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
806 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
807 (bdesc_3arg, avr_expand_triop_builtin): New.
808 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
809 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
810 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
811 (avr_map_equal_p, avr_map_sig_p): Remove.
812 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
813 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
814 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
815 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
816 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
817 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
819 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
821 * config/c6x/c6x.md (reserve_cycles): New attribute.
822 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
823 don't reserve functional units after the branch occurs.
825 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
828 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
829 functions into non-tm_pure functions.
831 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
834 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
835 (iterative_hash_canonical_type): Likewise.
836 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
839 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
841 * haifa-sched.c (prune_ready_list): Ensure that if there is a
842 sched-group insn, it either remains alone or the entire list is pruned.
844 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
846 * doc/install.texi (Prerequisites): Fix grammar.
847 (Configuration): Likewise.
849 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
851 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
852 MPC as part of GCC before describing configuring with --with-gmp etc.
853 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
856 2012-02-14 Jakub Jelinek <jakub@redhat.com>
859 * dwarf2out.c (clone_tree_hash): New function.
860 (copy_decls_walk): Use it instead of clone_tree.
862 2012-02-14 Richard Guenther <rguenther@suse.de>
864 PR tree-optimization/52244
865 PR tree-optimization/51528
866 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
867 replacements for integral types.
869 2012-02-14 Walter Lee <walt@tilera.com>
871 * config.gcc: Handle tilegx and tilepro.
872 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
874 Add HAVE_AS_TLS check for tilegx and tilepro.
875 * configure: Regenerate.
876 * doc/contrib.texi: Add Mat Hostetter and self.
877 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
878 Document instruction intrinsics and network accessing intrinsics.
879 (TILEPro Built-in Functions): New node. Document instruction
880 intrinsics and network accessing intrinsics.
881 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
882 (Specific, tilepro-*-linux*): Likewise.
883 * doc/invoke.texi (TILE-Gx Options): New section.
884 (TILEPro Options): New section.
885 * doc/md.texi (TILE-Gx): New section.
886 (TILEPro): New section.
887 * common/config/tilegx/tilegx-common.c: New file.
888 * common/config/tilepro/tilepro-common.c: New file.
889 * config/tilegx/constraints.md: New file.
890 * config/tilegx/linux.h: New file.
891 * config/tilegx/mul-tables.c: New file.
892 * config/tilegx/predicates.md: New file.
893 * config/tilegx/sync.md: New file.
894 * config/tilegx/t-tilegx: New file.
895 * config/tilegx/tilegx-builtins.h: New file.
896 * config/tilegx/tilegx-c.c: New file.
897 * config/tilegx/tilegx-generic.md: New file.
898 * config/tilegx/tilegx-modes.def: New file.
899 * config/tilegx/tilegx-multiply.h: New file.
900 * config/tilegx/tilegx-protos.h: New file.
901 * config/tilegx/tilegx.c: New file.
902 * config/tilegx/tilegx.h: New file.
903 * config/tilegx/tilegx.md: New file.
904 * config/tilegx/tilegx.opt: New file.
905 * config/tilepro/constraints.md: New file.
906 * config/tilepro/gen-mul-tables.cc: New file.
907 * config/tilepro/linux.h: New file.
908 * config/tilepro/mul-tables.c: New file.
909 * config/tilepro/predicates.md: New file.
910 * config/tilepro/t-tilepro: New file.
911 * config/tilepro/tilepro-builtins.h: New file.
912 * config/tilepro/tilepro-c.c: New file.
913 * config/tilepro/tilepro-generic.md: New file.
914 * config/tilepro/tilepro-modes.def: New file.
915 * config/tilepro/tilepro-multiply.h: New file.
916 * config/tilepro/tilepro-protos.h: New file.
917 * config/tilepro/tilepro.c: New file.
918 * config/tilepro/tilepro.h: New file.
919 * config/tilepro/tilepro.md: New file.
920 * config/tilepro/tilepro.opt: New file.
922 2012-02-14 Jakub Jelinek <jakub@redhat.com>
924 PR tree-optimization/52210
925 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
926 vect_model_simple_cost with two entry vect_def_type array instead
929 2012-02-14 Richard Guenther <rguenther@suse.de>
932 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
933 Do not stream DECL_QUALIFIER.
934 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
935 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
936 (find_decls_types_r): Do not walk DECL_QUALIFIER.
938 2012-02-14 Jakub Jelinek <jakub@redhat.com>
941 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
944 2012-02-13 Jakub Jelinek <jakub@redhat.com>
947 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
948 * cselib.c (cselib_subst_to_values_from_insn): New function.
949 * sched-deps.c (add_insn_mem_dependence,
950 sched_analyze_1, sched_analyze_2): Use it.
952 2012-02-13 Jan Hubicka <jh@suse.cz>
955 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
957 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
959 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
960 (GTM_SELF_SPECS): Define if not already defined.
961 (driver_self_specs): Add GTM_SELF_SPECS.
962 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
963 (GTM_SELF_SPECS): Define.
964 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
965 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
967 2012-02-13 Jakub Jelinek <jakub@redhat.com>
969 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
972 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
975 * omp-low.c (expand_omp_for): If a static schedule without chunk size
976 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
978 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
981 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
983 2012-02-13 Richard Guenther <rguenther@suse.de>
986 * passes.c (enable_disable_pass): Fix typo.
988 2012-02-13 Jakub Jelinek <jakub@redhat.com>
991 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
992 XOR for reduce_bit_field if type is unsigned.
994 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
996 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
997 disallow changes from SFmode to mode with different size in FP regs.
999 2012-02-12 Robert Millan <rmh@gnu.org>
1000 Gerald Pfeifer <gerald@pfeifer.com>
1002 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1005 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1007 PR rtl-optimization/52175
1008 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1009 to frame-related instructions.
1011 2012-02-10 Jason Merrill <jason@redhat.com>
1014 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1015 (demangle_new_symbols): Fill it.
1016 (scan_linker_output): Walk it.
1017 (start_tweaking): Split out from scan_linker_output.
1018 (maybe_tweak): Update sym->chosen.
1019 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1021 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1024 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1026 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1028 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1029 having the same mode as previous compare.
1031 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1033 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1034 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1035 (nonlocal_goto_internal): Likewise.
1036 (nonlocal_goto): Emit a use and an indirect jump directly.
1038 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1041 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1042 __atomic_{is,always}_lock_free.
1044 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1047 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1048 negative constant address for x32.
1050 2012-02-10 Richard Henderson <rth@redhat.com>
1052 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1053 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1054 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1056 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1057 Ira Rosen <irar@il.ibm.com>
1059 PR tree-optimization/50031
1060 * targhooks.c (default_builtin_vectorization_cost): Handle
1062 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1063 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1064 all types of reduction and pattern statements.
1065 (vect_estimate_min_profitable_iters): Likewise.
1066 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1067 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1068 for explicit realigns.
1069 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1070 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1072 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1073 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1074 vec_perm for VSX and handle vec_promote_demote.
1076 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1079 * builtins.c (fold_builtin_atomic_always_lock_free,
1080 expand_builtin_atomic_always_lock_free,
1081 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1082 Return and/or test boolean_true_node/boolean_false_node instead of
1083 integer_one_node/integer_zero_node.
1085 2012-02-10 Jan Hubicka <jh@suse.cz>
1088 * predict.c (predict_paths_for_bb): Prevent looping.
1089 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1091 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1093 * config/arm/arm.c (output_move_double): In one case properly
1094 count number of instructions that will be emitted.
1096 2012-02-10 Richard Guenther <rguenther@suse.de>
1098 PR translation/52193
1099 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1101 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1104 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1106 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1109 * var-tracking.c (emit_note_insn_var_location): If
1110 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1111 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1112 non-NOTE_DURING_CALL_P insn.
1114 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1117 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1119 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1122 * gcc.c (switch_matches) Support switches with separated form,
1125 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1127 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1129 (RAMPZ_ADDR): Ditto.
1130 * config/avr/avr.c (avr_addr_t): New typedef.
1131 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1132 (avr_init_expanders): Initialize it.
1133 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1135 (expand_epilogue): Ditto.
1136 (avr_print_operand): Ditto.
1137 (avr_file_start): Ditto.
1138 (avr_emit_movmemhi): Ditto.
1140 2012-02-08 Richard Guenther <rguenther@suse.de>
1142 PR tree-optimization/46886
1143 * tree-flow.h (do_while_loop_p): Declare.
1144 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1145 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1147 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1149 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1150 always succeed for integers larger than a native word.
1152 2012-02-08 Richard Guenther <rguenther@suse.de>
1154 PR rtl-optimization/52170
1155 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1156 properly handle integer vector modes.
1158 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1160 PR gcov-profile/52150
1161 * coverage.c: Include target.h.
1162 (build_var): Call targetm.strip_name_encoding on the assembler name.
1163 Change one _ into . or $ if the target allows it.
1164 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1166 PR rtl-optimization/52139
1167 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1168 is a BARRIER after emit_insn_after_noloc, move BB_END
1169 to the last non-BARRIER insn before it.
1171 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1174 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1175 (mips_gimplify_va_arg_expr): Call it instead of
1176 std_gimplify_va_arg_expr.
1178 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1180 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1181 message for -mno-pointers-to-nested-function.
1183 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1186 * expr.c (get_inner_reference): If there is an offset, add a negative
1187 bit position to it (if any).
1189 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1191 PR rtl-optimization/52060
1192 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1193 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1194 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1195 and/or i0src_copy2 when needed.
1197 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1199 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1200 or LTOPLUGINSONAME if have_c.
1202 * config/freebsd-spec.h: Add comment about what macros can be defined
1204 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1205 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1208 2012-02-07 Richard Guenther <rguenther@suse.de>
1210 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1211 newline in -alias dumps.
1213 2012-02-07 Kai Tietz <ktietz@redhat.com>
1214 Dave Korn <dave.korn.cygwin@gmail.com>
1217 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1218 Take care that typinfo gets dllexport-attribute.
1220 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1223 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1224 if modifier < EXPAND_SUM call force_operand on the result.
1226 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1228 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1229 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1231 (epiphany_function_type): Replace types for specific interrupts with
1232 EPIPHANY_FUNCTION_INTERRUPT.
1233 (EPIPHANY_INTERRUPT_P): Update.
1234 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1235 New static function.
1236 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1237 <disinterrupt>: Affects type identity.
1238 (epiphany_handle_interrupt_attribute): Handle variable number of
1240 (epiphany_compute_function_type): Update for new
1241 epiphany_function_type definition.
1242 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1243 handlers with a longcall forwarder.
1244 (epiphany_start_function): Handle multiple interrupt arguments and/or
1245 forwarder_section attribute.
1247 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1250 2012-02-07 Alan Modra <amodra@gmail.com>
1253 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1256 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1258 PR tree-optimization/50969
1259 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1260 use vec_perm rather than vector_stmt.
1261 (vect_model_load_cost): Likewise.
1262 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1263 vec_perm to be the same as other vector statements.
1264 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1265 cost of vec_perm for TARGET_VSX.
1267 2012-02-06 Richard Guenther <rguenther@suse.de>
1269 PR tree-optimization/52115
1270 * tree-sra.c (access_has_replacements_p): New function.
1271 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1273 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1276 * trans-mem.c (expand_call_tm): Add an assertion.
1277 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1280 2012-02-06 Richard Guenther <rguenther@suse.de>
1282 PR tree-optimization/50955
1283 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1284 raise cost of expressions that replace an address with an
1285 expression based on a different pointer.
1287 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1290 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1291 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1293 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1296 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1297 -Weffc++ and specify guidelines come from second edition.
1299 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1301 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1302 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1303 (call_direct_split, call_value_split, call_value_internal_direct)
1304 (call_value_direct_split, call_value_multiple_split): Use jal and
1305 jal_macro attributes.
1307 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1309 * reload1.c (reload_regs_reach_end_p): Replace with...
1310 (reload_reg_rtx_reaches_end_p): ...this function.
1311 (new_spill_reg_store): Update commentary.
1312 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1313 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1314 before setting new_spill_reg_store.
1315 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1316 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1317 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1318 for non-spill reload registers.
1320 2012-02-05 Ira Rosen <irar@il.ibm.com>
1322 PR tree-optimization/52091
1323 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1324 (vect_is_simple_use_1): Likewise.
1325 * tree-vect-loop.c (vectorizable_reduction): Update calls
1326 to vect_is_simple_use_1 and vect_is_simple_use.
1327 (vectorizable_live_operation): Likewise.
1328 * tree-vect-patterns.c (widened_name_p,
1329 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1330 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1331 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1332 vectorizable_shift,vectorizable_operation, vectorizable_store,
1333 vectorizable_load): Likewise.
1334 (vect_is_simple_cond): Add an argument, pass it to
1335 vect_is_simple_use_1.
1336 (vectorizable_condition): Update calls to vect_is_simple_cond,
1338 (vect_is_simple_use): Add an argument, the statement in which
1339 OPERAND is used. Check that if OPERAND's def stmt is a double
1340 reduction phi node, the use is a phi node too.
1341 (vect_is_simple_use_1): Add an argument, pass it to
1343 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1344 to vect_is_simple_use.
1346 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1348 PR rtl-optimization/52095
1349 * modulo-sched.c (dump_insn_locator): New function.
1350 (loop_canon_p, sms_schedule): Use it.
1352 PR rtl-optimization/52113
1353 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1354 even for decomposable shift/zext insns.
1356 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1357 Zdenek Dvorak <ook@ucw.cz>
1359 PR rtl-optimization/52092
1360 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1361 on get_iv_value result.
1363 2012-02-02 Andrew Pinski <apinski@cavium.com>
1367 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1369 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1372 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1374 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1376 PR rtl-optimization/49800
1377 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1378 (sched_finish): Call regstat_free_n_sets_and_refs.
1380 2012-02-02 Jia Liu <proljc@gmail.com>
1382 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1385 2012-02-02 Jan Hubicka <jh@suse.cz>
1386 Tom de Vries <tom@codesourcery.com>
1389 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1390 * varpool.c (varpool_analyze_pending_decls): Likewise.
1392 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1393 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1395 * config.gcc: Add cr16-* support.
1397 * doc/extend.texi: Document cr16 extensions.
1398 * doc/install.texi: Document cr16 install.
1399 * doc/invoke.texi: Document cr16 options.
1400 * doc/md.texi: Document cr16 constraints.
1402 * common/config/cr16/cr16-common.c: New file.
1403 * config/cr16/cr16.c: New file.
1404 * config/cr16/cr16.h: New file.
1405 * config/cr16/cr16.md: New file.
1406 * config/cr16/cr16.opt: New file.
1407 * config/cr16/cr16-protos.h: New file.
1408 * config/cr16/predicates.md: New file.
1409 * config/cr16/constraints.md: New file.
1410 * config/cr16/t-cr16: New file.
1412 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1415 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1416 that operands[2] is either immediate, or q_regs_operand.
1418 PR tree-optimization/52073
1419 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1420 a pattern stmt for pattern uses, ignore uses outside of the loop.
1422 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1424 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1425 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1426 (OUT_AS1, OUT_AS2): Remove.
1428 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1430 PR rtl-optimization/51374
1431 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1432 to cross other volatile_refs_p insns.
1434 2012-02-01 Richard Guenther <rguenther@suse.de>
1436 * doc/invoke.texi (fno-inline): Clarify documentation.
1437 (finline-small-functions): Likewise.
1438 (finline-functions): Likewise.
1439 * common.opt (finline): Adjust comment and documentation.
1440 (finline-small-functions): Clarify documentation.
1441 (finline-functions): Likewise.
1442 (finline-functions-called-once): Likewise.
1444 2012-02-01 Tristan Gingold <gingold@adacore.com>
1446 * c-typeck.c (composite_type): Keep mode for pointers.
1448 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1450 * function.h (regno_reg_rtx): Adjust comment.
1451 * reginfo.c (init_reg_modes_target): Only use the previous mode
1452 if it fits within one register. Remove MIPS comment.
1454 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1457 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1459 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1461 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1462 to srak instruction.
1464 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1466 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1468 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1473 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1475 2012-01-31 Richard Guenther <rguenther@suse.de>
1477 PR tree-optimization/51528
1478 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1481 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1486 * ree.c (add_removable_extension): Change def_map argument
1487 to unsigned *, store in def_map 1 + offset into *insn_list vector
1488 instead of pointers into the vector.
1489 (find_removable_extensions): Adjust caller.
1491 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1493 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1494 Transform all "* quoted-c-code" to { c-code }.
1495 Remove redundant test for "optimize" in combine patterns.
1496 Move (include "avr-dimode.md") to end of file.
1498 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1501 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1502 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1504 2012-01-30 Richard Guenther <rguenther@suse.de>
1506 PR tree-optimization/52028
1507 * tree-loop-distribution.c (ldist_gen): Properly update
1510 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1513 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1514 set_cur_line_info_table if not emitting debug info.
1516 PR tree-optimization/52046
1517 * tree-vect-patterns.c (check_bool_pattern): Give up if
1518 a comparison could throw.
1521 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1523 2012-01-30 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/52045
1526 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1527 SSA form if cfgcleanup did anything.
1529 2012-01-30 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/52045
1532 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1533 before computing final todo.
1535 2012-01-30 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/51528
1538 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1541 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1543 * df-problems.c (df_kill_notes): Check that the use refers
1544 to the note under examination.
1546 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1549 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1550 parameter and use short-lived pseudos.
1551 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1552 (sparc_expand_vector_init): Const-ify local variables and adjust
1553 calls to above functions.
1555 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1557 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1559 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1561 * doc/invoke.texi: Make usage of "compile time" and
1562 "run time"/"runtime" consistent throughout the file.
1564 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1566 * config/alpha/alpha.c (alpha_option_override): Default to
1567 full IEEE compliance mode for Go language.
1569 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1571 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1572 (LINK_SSP_SPEC): Define.
1574 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1577 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1580 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1582 * doc/invoke.texi: Correct hyphenation of "floating point",
1583 "double precision", and related terminology throughout the file.
1585 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1588 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1589 arm_general_register_operand predicate for operand 2 instead of
1592 2012-01-27 Ian Lance Taylor <iant@google.com>
1595 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1596 * builtins.c (expand_builtin_init_trampoline): Add onstack
1597 parameter. Change caller.
1598 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1599 * tree.c (build_common_builtin_nodes): Declare
1600 __builtin_init_heap_trampoline.
1602 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1604 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1605 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1606 * config/avr/avr.c: Ditto.
1607 (avr_regnames): Remove because unused.
1608 * config/avr/avr.md (*cpse.ne): New peephole.
1609 (*cpse.eq): New peephole from former cpse peepholes.
1611 2012-01-27 Michael Eager <eager@eagercon.com>
1613 * config/microblaze.c (microblaze_emit_compare): Correct
1614 test after pcmp instruction.
1616 2012-01-27 Richard Guenther <rguenther@suse.de>
1618 PR tree-optimization/52020
1619 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1621 2012-01-27 Richard Guenther <rguenther@suse.de>
1623 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1624 function non-const/pure.
1626 2012-01-27 Richard Guenther <rguenther@suse.de>
1628 PR tree-optimization/50444
1629 * tree-sra.c (build_ref_for_offset): Properly adjust the
1630 MEM_REF type for unaligned accesses.
1632 2012-01-27 Richard Guenther <rguenther@suse.de>
1634 PR tree-optimization/50444
1635 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1636 (expand_assignment): Use it. Properly handle misaligned
1637 bases when expanding stores to component references.
1638 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1641 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1644 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1645 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1646 * tree-data-ref.c (find_data_references_in_loop): Make static.
1647 (compute_all_dependences): Change return type to bool. Bail out
1648 for too many datarefs in a loop. Move the hunk resetting the data
1649 dependences vector from ...
1650 (compute_data_dependences_for_loop): ... here. Account for
1651 compute_all_dependences returning false.
1652 (compute_data_dependences_for_bb): Likewise.
1653 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1654 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1656 2012-01-27 Richard Guenther <rguenther@suse.de>
1659 * expr.c (store_field): Use the alias-set of the scratch memory
1662 2012-01-27 Tom de Vries <tom@codesourcery.com>
1664 PR tree-optimization/51990
1665 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1667 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1669 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1672 * var-tracking.c (reverse_op): Don't add any reverse operation
1673 if V already has any constant locations.
1675 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1677 * doc/invoke.texi: Correct usage of "command line" (noun)
1678 vs "command-line" (adjective) throughout.
1680 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1682 * doc/invoke.texi (Language Independent Options): Move
1683 -Wcoverage-mismatch blurb from here....
1684 (Warning Options): ...to here.
1686 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1688 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1689 Set rs6000_always_hint to false for 476.
1691 2012-01-27 Matthias Klose <doko@ubuntu.com>
1693 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1695 * incpath.c (add_standard_paths): Likewise.
1697 2012-01-27 Richard Henderson <rth@redhat.com>
1699 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1700 * config/m68k/sync.md (atomic_test_and_set): Rename from
1701 sync_test_and_setqi and adjust the operands.
1702 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1703 and unconditionally enable.
1705 2012-01-27 Richard Henderson <rth@redhat.com>
1707 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1708 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1709 (ldstub): Rename from ldstubqi.
1710 (ldstub<I24MODE>): Remove.
1712 2012-01-27 Richard Henderson <rth@redhat.com>
1714 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1715 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1716 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1717 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1718 * doc/tm.texi: Rebuild.
1720 2012-01-27 Richard Henderson <rth@redhat.com>
1722 * optabs.c (gen_atomic_test_and_set): Remove default.
1723 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1725 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1727 PR rtl-optimization/51978
1728 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1729 (combine_reaching_defs): Likewise.
1730 (struct re_info): Remove.
1731 (add_removable_extension): Remove x and data arguments,
1732 add insn, insn_list and def_map. Use the arguments directly
1733 instead of using struct re_info.
1734 (find_removable_extensions): Don't call add_removable_extension
1735 through note_stores, instead just call it with single_set
1737 (find_and_remove_re): Pass curr_cand->expr instead of
1738 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1740 2012-01-26 Michael Matz <matz@suse.de>
1742 PR tree-optimization/46590
1743 * cfgexpand.c: Revert last change (r183305).
1744 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1746 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1747 checking for emptiness.
1749 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1752 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1753 non-addressable non-BLKmode base correctly.
1755 2012-01-26 Michael Matz <matz@suse.de>
1757 PR tree-optimization/48794
1758 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1759 regions referenced from RESX/EH_DISPATCH.
1761 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1763 * config/s390/s390.h: Make BRANCH_COST an option.
1764 * config/s390/s390.opt: New option -mbranch-cost.
1766 2012-01-26 Richard Henderson <rth@redhat.com>
1768 Revert 2012-01-24 change:
1769 * trans-mem.c (requires_barrier): Do not instrument thread local
1770 variables and emit save/restore for them.
1772 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1775 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1778 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1780 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1783 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1786 Rename __pgm to __flash.
1787 Rename __pgm1 to __flash1.
1788 Rename __pgm2 to __flash2.
1789 Rename __pgm3 to __flash3.
1790 Rename __pgm4 to __flash4.
1791 Rename __pgm5 to __flash5.
1792 Rename __pgmx to __memx.
1793 * doc/extend.texi (AVR Named Address Spaces)
1794 Rename address space names as indicated above.
1795 * config/avr/avr.c (avr_addrspace): Ditto.
1797 * config/avr/avr-protos.h
1798 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1799 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1800 * config/avr/predicates.md: Ditto.
1801 * config/avr/avr.c Ditto, and
1802 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1803 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1805 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1806 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1807 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1808 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1809 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1810 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1811 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1812 * config/avr/avr.c: Ditto.
1813 * config/avr/avr.md: Ditto.
1815 2012-01-25 Jason Merrill <jason@redhat.com>
1818 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1820 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1822 PR tree-optimization/51987
1823 * tree-data-ref.c (get_references_in_stmt): Handle references in
1824 non-volatile GIMPLE_ASM.
1826 2012-01-25 Richard Guenther <rguenther@suse.de>
1828 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1829 bases are dereferenced.
1831 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1833 PR rtl-optimization/48374
1834 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1836 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1838 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1839 compute_data_dependences_for_loop returns false.
1840 * tree-parloops.c (loop_parallel_p): Likewise.
1842 2012-01-25 Richard Guenther <rguenther@suse.de>
1844 * tree.h (get_pointer_alignment_1): Declare.
1845 * builtins.c (get_pointer_alignment_1): New function.
1846 (get_pointer_alignment): Use it.
1848 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1850 PR rtl-optimization/48308
1851 * combine.c (enum undo_kind): Add UNDO_LINKS.
1852 (struct undo): Add member l to other_contents and where.
1853 (do_SUBST_LINK): New.
1855 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1856 (undo_all): Handle UNDO_LINKS.
1858 2012-01-25 Richard Henderson <rth@redhat.com>
1860 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1863 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1865 * optabs.c (gen_atomic_test_and_set): Use each argument.
1867 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1869 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1870 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1871 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1872 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1873 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1874 TARGET_PAIRED_SINGLE_FLOAT.
1876 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1878 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1879 (in_struct, return_val): Remove MEM documentation.
1880 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1881 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1882 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1884 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1885 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1886 * expr.c (store_field): Likewise.
1887 * function.c (assign_stack_temp_for_type): Likewise.
1888 * ifcvt.c (noce_try_cmove_arith): Likewise.
1889 * reload1.c (reload): Likewise.
1890 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1891 (alpha_set_memflags): Likewise.
1892 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1894 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1896 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1898 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1899 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1900 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1902 * cselib.c (cselib_rtx_varies_p): Delete.
1903 (cselib_invalidate_mem): Update call to canon_true_dependence.
1904 * dse.c (record_store, check_mem_read_rtx): Likewise.
1905 (scan_reads_nospill): Likewise.
1906 * cse.c (check_dependence): Likewise.
1907 (cse_rtx_varies_p): Delete.
1908 * expr.c (safe_from_p): Update call to true_dependence.
1909 * ira.c (validate_equiv_mem_from_store): Likewise.
1910 (memref_referenced_p): Likewise.
1911 * postreload-gcse.c (find_mem_conflicts): Likewise.
1912 * sched-deps.c (sched_analyze_2): Likewise.
1913 * store-motion.c (load_kills_store): Likewise.
1914 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1915 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1916 (compute_transp): Update call to canon_true_dependence.
1918 2012-01-25 Richard Henderson <rth@redhat.com>
1920 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1921 (maybe_emit_atomic_test_and_set): New.
1922 (expand_sync_lock_test_and_set): Use it.
1923 (expand_atomic_test_and_set): Likewise.
1924 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1925 the implementation; clarify implementation defined details.
1926 * doc/md.texi (atomic_test_and_set): Document.
1928 2012-01-25 Richard Henderson <rth@redhat.com>
1930 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1932 2012-01-25 Richard Henderson <rth@redhat.com>
1935 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1936 to effect no-op split.
1938 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1941 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1942 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1943 (BT_FN_VOID_PTR_INT_SIZE): New.
1944 (BT_FN_UINT_UINT_VAR): Remove.
1945 (BT_FN_UINT32_UINT32_VAR): New.
1946 (BT_FN_DOUBLE_VPTR): Remove.
1947 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1949 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1950 (_ITM_changeTransactionMode): Same.
1951 (_ITM_memmoveRtWt): Change return type to void.
1952 (_ITM_memcpyRtWt): Same.
1953 (_ITM_memsetW): Same.
1954 (_ITM_RaRD): Change types to double.
1959 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1961 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1962 Patrick Marlier <patrick.marlier@gmail.com>
1964 * trans-mem.c (requires_barrier): Do not instrument thread local
1965 variables and emit save/restore for them.
1967 2012-01-24 Jason Merrill <jason@redhat.com>
1970 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1971 output static aliases.
1973 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1976 * common.opt (-pie, -shared, pie, shared): Change from Common to
1978 * gcc.c (display_help): Display help for -pie and -shared.
1980 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1983 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1984 Remove note on size/offset limitation.
1985 (AVR Variable Attributes): Add example how to read data located
1986 with progmem. Refer to named address spaces.
1987 * doc/invoke.texi (AVR Options): Fix typo.
1989 2012-01-24 Richard Guenther <rguenther@suse.de>
1991 Forward-port to trunk
1992 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1995 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1996 op0 isn't sufficiently aligned and there is movmisalignM
1997 insn for mode, use it to load op0 into a temporary register.
1999 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2002 * target.def (const_not_ok_for_debug_p): New hook.
2003 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2005 * doc/tm.texi: Regenerated.
2006 * dwarf2out.c (const_ok_for_output_1): If
2007 targetm.const_not_ok_for_debug_p returns true, fail.
2008 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2010 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2012 2012-01-23 Kai Tietz <ktietz@redhat.com>
2015 * config/i386/predicates.md (symbolic_operand): Allow
2016 UNSPEC_PCREL as PIC expression for lea.
2017 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2018 * config/i386/i386.c (ix86_delegitimize_address): Handle
2019 UNSPEC_PCREL for none-MEM, too.
2021 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2023 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2024 (ipa_tm_create_version_alias): Same.
2026 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2029 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2030 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2032 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2033 Patrick Marlier <patrick.marlier@gmail.com>
2034 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2037 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2038 simple_object_start_read.
2040 2012-01-23 Richard Guenther <rguenther@suse.de>
2043 PR tree-optimization/51895
2044 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2045 parameter decomposition into BLKmode components.
2047 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2049 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2050 fake variables for restrict-qualified pointers whose pointed-to type
2051 contains a placeholder.
2053 2012-01-23 Richard Guenther <rguenther@suse.de>
2055 PR tree-optimization/51949
2056 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2058 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2060 PR rtl-optimization/51933
2061 * ree.c (transform_ifelse): Return true right away if dstreg is
2062 already wider or equal to cand->mode.
2063 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2064 (make_defs_and_copies_lists): Remove defs_list and copies_list
2065 arguments, add state argument, just truncate state->work_list
2066 instead of always allocating and freeing the vector. Assert that
2067 get_defs succeeds instead of returning 2. Changed return type to bool.
2068 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2069 have ext_src_mode, see if it has been modified already with the
2070 right kind of extension and has been extended before from the
2071 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2072 just return true. Remember the original mode in state->modified array.
2073 (combine_reaching_defs): Add state argument. Don't allocate and
2074 free here def_list, copied_list and vec vectors, instead just
2075 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2076 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2077 Add state variable, clear vectors in it, initialize state.modified
2078 if needed. Free all the vectors at the end and state.modified too.
2079 Don't skip a candidate if the extension expression has been modified.
2081 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2084 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2085 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2086 (extra_options) interix.opt -> i386/interix.opt"
2087 (extra_objs):Add winnt-stubs.o
2088 * configure.ac: Add interix to target_os .comm on PE check.
2089 * configure: Regenerate.
2090 * config/interix3.h: Delete and move bits to..
2091 * config/interix.h: Delete and move bits to..
2092 * config/i386/i386-interix3.h: Delete and move bits to..
2093 * config/i386/i386-interix.h: ..here.
2094 (TARGET_CPU_DEFAULT): Remove redefinition.
2095 (TARGET_ASM_CONSTRUCTOR): Undefine.
2096 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2097 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2098 (PTRDIFF_TYPE): Define.
2099 (LONG_DOUBLE_TYPE_SIZE): Define.
2100 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2101 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2102 (TARGET_SECTION_TYPE_FLAGS): Define.
2103 (ASM_DECLARE_FUNCTION_NAME): Define.
2104 (ASM_OUTPUT_EXTERNAL): Define.
2105 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2106 (ASM_OUTPUT_ALIGNED_BSS): Define.
2107 (PCC_BITFIELD_TYPE_MATTERS): Define.
2108 (USE_CONST_SECTION): Define.
2109 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2110 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2111 (SUPPORTS_ONE_ONLY): Remove.
2112 (I386_PE_STRIP_ENCODING): Define.
2113 * config/interix.opt: Delete and move bits to..
2114 * config/i386/interix.opt: ..here. New.
2115 (mpe-aligned-commons): Add.
2116 * config/i386/t-interix: Add copyright header.
2117 (winnt-stubs.o): Add rule.
2119 2012-01-22 Jason Merrill <jason@redhat.com>
2122 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2123 for extra name aliases.
2125 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2127 PR rtl-optimization/51924
2128 * ree.c (combine_set_extension): Improve debugging message.
2129 (combine_reaching_defs): Likewise.
2130 (get_defs): Rename confusingly named variable.
2131 (find_and_remove_re): Skip a candidate if the extension expression has
2134 2012-01-21 Robert Millan <rmh@gnu.org>
2135 Gerald Pfeifer <gerald@pfeifer.com>
2137 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2138 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2140 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2142 PR tree-optimization/51914
2143 * tree-vect-stmts.c (vectorizable_conversion): For
2144 cvt_type && modifier == WIDEN, put temporary with cvt_type
2145 at the beginning of vec_dsts and set vec_dest to temporary
2148 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2150 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2152 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2154 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2155 * config/rs6000/rs6000.c: Likewise.
2157 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2160 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2161 output_move_double on a copy of operands array.
2163 2012-01-20 Cary Coutant <ccoutant@google.com>
2164 Dodji Seketeli <dodji@redhat.com>
2167 * dwarf2out.c (copy_declaration_context): Return ref to parent
2168 of declaration DIE, if necessary.
2169 (remove_child_or_replace_with_skeleton): Add new parameter; update
2170 caller. Place skeleton DIE under parent DIE of original declaration.
2171 Move call to copy_declaration_context to here ...
2172 (break_out_comdat_types): ... from here.
2174 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2176 PR rtl-optimization/51856
2177 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2180 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2183 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2184 hints for neon loads and stores.
2186 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2190 * doc/extend.texi (Named Address Spaces): Split into subsections.
2191 (AVR Named Address Spaces): New subsection.
2192 (M32C Named Address Spaces): New subsection.
2193 (RL78 Named Address Spaces): New subsection.
2194 (SPU Named Address Spaces): New subsection.
2195 (Variable Attributes): New anchor "AVR Variable Attributes".
2196 (AVR Variable Attributes): Rewrite and avoid wording
2197 "address space" in this context.
2198 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2199 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2200 (AVR Built-in Macros): New subsubsection therein.
2201 * doc/md.texi (AVR constraints): Remove "C04", "R".
2203 2012-01-20 Richard Guenther <rguenther@suse.de>
2205 PR tree-optimization/51903
2206 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2207 when removing stmts.
2209 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2212 * config/arm/arm.c (arm_load_pic_register): Use
2213 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2214 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2215 (arm_pic_static_addr): Likewise.
2216 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2217 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2218 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2219 (pic_load_addr_unified): New.
2221 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2224 * function.c (instantiate_virtual_regs_in_insn): Use
2225 delete_insn_and_edges when removing a wrong asm insn.
2227 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2229 PR rtl-optimization/40761
2230 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2231 Add new member loop_num.
2232 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2233 (ira_build): Remove the parameter.
2235 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2236 (ira.c): Do not build CFG loops for one region allocation. Remove
2237 argument from ira_build call.
2239 * ira-build.c (init_loop_tree_node): New function.
2240 (create_loop_tree_nodes): Use it. Separate the case when CFG
2241 loops are not built.
2242 (more_one_region_p): Check current_loops.
2243 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2245 (add_loop_to_tree): Process loop equal to NULL too.
2246 (form_loop_tree): Separate the case when CFG loops are not built.
2247 Use explicitly number for the root.
2248 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2250 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2251 instead of loop->num.
2252 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2253 (mark_all_loops_for_removal): Ditto.
2254 (remove_unnecessary_regions): Separate the case when CFG loops
2256 (ira_build): Remove the parameter. Use explicit number of regions
2257 when CFG loops are not built.
2259 * ira-color.c (print_loop_title): Separate the case for the root node.
2260 Use loop_num instead of loop->num.
2261 (move_spill_restore): Use loop_num instead of loop->num.
2263 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2264 (change_loop): Ditto.
2265 (change_loop): Use loop_num instead of loop->num.
2267 * ira-lives.c (process_bb_node_lives): Ditto.
2269 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2271 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2273 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2276 * tree-mudflap.c (mf_artificial): New function.
2277 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2278 mx_register_decls, mudflap_enqueue_decl): Use it.
2281 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2282 numbers in the insn pattern.
2284 2012-01-19 Michael Matz <matz@suse.de>
2286 PR tree-optimization/46590
2287 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2288 use it in remembering which conflicts we already created.
2289 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2292 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2295 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2296 (merge_and_complain): Same.
2298 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2301 * config/initfini-array.h: Guard content of the header
2302 with #ifdef HAVE_INITFINI_ARRAY.
2303 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2304 Add initfini-array.h to tm_file here.
2305 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2306 * config.gcc: Don't add initfini-array.h to tm_file here.
2307 * configure: Regenerated.
2309 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2311 PR rtl-optimization/51505
2312 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2313 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2314 (df_note_bb_compute): Update the call to df_kill_notes.
2316 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2318 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2320 2012-01-18 Richard Guenther <rguenther@suse.de>
2322 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2323 of conversions to void *.
2325 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2326 Richard Sandiford <rdsandiford@googlemail.com>
2330 * optabs.h (simplify_expand_binop): Declare.
2331 * optabs.c (simplify_expand_binop): Make global.
2332 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2333 endian targets if the source cannot be exactly covered by word
2336 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2339 * hard-reg-set.h (struct hard_reg_set_container): New type.
2340 * target.h (struct hard_reg_set_container): Forward declare.
2341 * target.def (set_up_by_prologue): New target hook.
2342 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2343 * doc/tm.texi: Regenerated.
2344 * function.c (thread_prologue_and_epilogue_insns): Change
2345 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2346 Call targetm.set_up_by_prologue on it.
2347 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2348 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2350 2012-01-17 Nick Clifton <nickc@redhat.com>
2352 * config/rx/rx.c (rx_can_use_simple_return): New function.
2353 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2354 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2356 2012-01-17 Richard Guenther <rguenther@suse.de>
2359 * expr.c (expand_assignment): Take address-space information
2360 from the address operand of MEM_REF and TARGET_MEM_REF.
2361 (expand_expr_real_1): Likewise.
2363 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2365 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2366 reload dump is requested.
2368 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2371 * trans-mem.c (requires_barrier): Call may_be_aliased.
2373 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2375 PR tree-optimization/51877
2376 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2377 call arguments and fndecls compare equal, instead return false if they
2378 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2379 both SSA_NAMEs that are valueized the same, or they satisfy
2382 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2384 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2386 * configure: Regenerate.
2388 2012-01-16 Jan Hubicka <jh@suse.cz>
2392 * convert.c (convert_to_integer): Use fold_convert for
2393 converting an INTEGER_CST to integer type.
2395 2012-01-16 Jason Merrill <jason@redhat.com>
2398 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2400 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2403 * config/s390/s390.c (s390_chunkify_start): Don't skip
2404 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2405 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2406 If insn is followed by NOTE_INSN_VAR_LOCATION or
2407 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2408 Don't use location of note insns.
2410 PR tree-optimization/51865
2411 * tree-inline.c (tree_function_versioning): Call remap_decl
2412 on DECL_RESULT whenever it has VOID_TYPE_P type.
2414 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2416 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2417 for calls to locally-binding MIPS16 functions if only the return
2418 type uses float regs.
2420 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2421 Richard Sandiford <rdsandiford@googlemail.com>
2423 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2424 (SYMBOL_32_HIGH): Likewise.
2425 (mips_output_tls_reloc_directive): Declare.
2426 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2427 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2428 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2429 (mips_lo_relocs, mips_hi_relocs): Make extern.
2430 (mips16_stub_function): Move up file.
2431 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2432 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2433 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2434 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2435 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2436 (mips_get_tp): Add MIPS16 support.
2437 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2438 Generalize DTPREL and TPREL handling.
2439 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2440 Add MIPS16 TLS support.
2441 (mips_output_tls_reloc_directive): New function.
2442 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2443 * config/mips/predicates.md (symbolic_operand_with_high)
2444 (tls_reloc_operand): New predicates.
2445 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2446 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2447 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2448 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2449 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2450 (*tls_get_tp_mips16_call_<mode>): Likewise.
2452 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2454 PR rtl-optimization/51821
2455 * recog.c (peep2_find_free_register): Determine clobbered registers
2458 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2461 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2462 * config/avr/avr.c: Likewise.
2463 * config/avr/avr.h: Likewise.
2465 2012-01-13 Ian Lance Taylor <iant@google.com>
2468 * tree.h (TYPE_QUALS): Add cast to int.
2469 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2471 2012-01-13 Ian Lance Taylor <iant@google.com>
2473 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2474 comparing param_index to VEC_length result.
2476 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2478 * c-decl.c: Do not include tree-mudflap.h
2479 * tree-optimize.c: Likewise.
2480 * Makefile.in: Update dependencies.
2482 2012-01-13 Richard Guenther <rguenther@suse.de>
2485 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2486 variable-sized result always use RSO.
2488 2012-01-12 DJ Delorie <dj@redhat.com>
2490 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2491 pointer type, not just the default pointer type.
2493 2012-01-09 Richard Henderson <rth@redhat.com>
2494 Denis Chertykov <chertykov@gmail.com>
2497 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2498 * config/avr/avr.c (avr_can_eliminate): Simplify.
2499 (avr_initial_elimination_offset): Likewise.
2500 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2501 (expand_epilogue): Likewise.
2502 (avr_legitimize_address): Gut.
2503 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2504 (avr_hard_regno_nregs): New.
2505 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2506 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2507 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2508 add soft frame pointer.
2509 (CALL_USED_REGISTERS): Likewise.
2510 (REG_CLASS_CONTENTS): Likewise.
2511 (REGISTER_NAMES): Likewise.
2512 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2513 (HARD_FRAME_POINTER_REGNUM): New.
2514 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2515 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2516 remove the HARD_FRAME_POINTER self-elimination.
2518 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2521 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2522 DECL_EXTERNAL when checking for initializers of progmem variables.
2524 2012-01-12 Ira Rosen <irar@il.ibm.com>
2526 PR tree-optimization/51799
2527 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2528 that the last operation is a type demotion.
2530 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2532 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2533 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2535 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2538 * combine.c (distribute_notes): If i3 is a noreturn call,
2539 allow old_size to be equal to args_size and make sure the
2540 noreturn call gets REG_ARGS_SIZE note.
2541 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2542 on noreturn calls even when the delta is 0.
2544 2012-01-11 Nathan Sidwell <nathan@acm.org>
2546 * gcov.c (STRING_SIZE): Remove.
2547 (generate_results): Erase annotations for source files with no
2548 coverage information.
2550 (output_lines): Use it.
2552 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2554 * gimple.h (gimplify_body): Remove first argument.
2555 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2556 pointer set here, instead just pass DATA to walk_tree.
2557 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2558 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2559 (unvisit_body): Likewise, but with unmark_visited.
2560 (gimplify_body): Remove BODY_P argument and adjust.
2561 (gimplify_function_tree): Adjust call to gimplify_body.
2562 * omp-low.c (finalize_task_copyfn): Likewise.
2564 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2566 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2567 (build_function_type_skip_args): Delete.
2568 * tree.c (build_function_type_skip_args): Make static and add
2569 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2570 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2571 pass it to build_function_type_skip_args.
2572 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2573 (tree_function_versioning): Likewise.
2574 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2575 build_function_decl_skip_args.
2576 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2577 and pass it to build_function_decl_skip_args/tree_function_versioning.
2578 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2579 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2580 * trans-mem.c (ipa_tm_create_version): Likewise.
2581 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2582 * tree-inline.c (declare_return_variable): Remove always-true test.
2583 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2584 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2585 * ipa-split.c (split_function): Skip the return value for the split
2586 part if it doesn't return.
2588 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2590 PR tree-optimization/49642
2591 * ipa-split.c (forbidden_dominators): New variable.
2592 (check_forbidden_calls): New function.
2593 (dominated_by_forbidden): Likewise.
2594 (consider_split): Check for forbidden dominators.
2595 (execute_split_functions): Initialize and free forbidden
2596 dominators info; call check_forbidden_calls.
2598 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2600 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2602 2012-01-11 Nick Clifton <nickc@redhat.com>
2604 * config/rx/rx.md (return): Define pattern.
2606 2012-01-11 Richard Guenther <rguenther@suse.de>
2608 * doc/extend.texi (malloc attribute): Adjust according to
2611 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2612 Patrick Marlier <patrick.marlier@gmail.com>
2615 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2616 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2617 (ipa_tm_note_irrevocable): Same.
2618 (ipa_tm_scan_irr_block): Same.
2619 (ipa_tm_decrement_clone_counts): Same.
2620 (ipa_tm_scan_irr_function): Same.
2621 (ipa_tm_create_version_alias): Same.
2622 (ipa_tm_create_version): Same.
2623 (ipa_tm_transform_calls_redirect): Same.
2624 (ipa_tm_transform_calls): Same.
2625 (ipa_tm_transform_transaction): Same.
2626 (ipa_tm_execute): Same.
2628 2012-01-10 Richard Guenther <rguenther@suse.de>
2631 * opts.c (common_handle_option): Handle -Werror.
2633 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2635 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2638 2012-01-10 Jason Merrill <jason@redhat.com>
2640 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2643 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2645 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2646 supports R_386_TLS_GD_PLT reloc.
2647 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2648 supports R_386_TLS_LDM_PLT reloc.
2649 * configure: Regenerate.
2650 * config.in: Regenerate.
2652 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2655 Extend __pgmx semantics to linearize memory.
2656 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2657 determine if code comes inline or from libgcc.
2658 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2659 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2660 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2661 (movmemx_qi, movmemx_hi): New insns.
2662 (xload_<mode>_libgcc): Rewrite to new insn condition.
2663 (xload_<mode>): Remove insns.
2664 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2665 cases that don't satisfy avr_xload_libgcc_p().
2666 (avr_addr_space_convert): Allow converting in any direction.
2667 (avr_addr_space_subset_p): Return always true.
2668 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2669 (avr_emit_movmemhi): Ditto.
2670 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2671 (avr_out_movmem): Ditto.
2672 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2673 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2674 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2675 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2676 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2678 2012-01-10 Richard Guenther <rguenther@suse.de>
2680 PR tree-optimization/50913
2681 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2682 Require data-refs to be representable by Graphite with respect
2685 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2687 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2688 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2690 2012-01-10 Tom de Vries <tom@codesourcery.com>
2692 PR rtl-optimization/51271
2693 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2694 handling annulled branch.
2696 2012-01-10 Richard Henderson <rth@redhat.com>
2698 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2699 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2700 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2701 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2702 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2703 arm_expand_vec_perm_const): New.
2704 * config/arm/arm-protos.h: Update.
2705 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2706 (*neon_vswp<VDQX>): New.
2707 (neon_vcombine<VDX>): Use neon_split_vcombine.
2708 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2709 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2710 (vec_perm<VE>): New.
2712 2012-01-10 Richard Henderson <rth@redhat.com>
2714 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2715 use it if reload_completed.
2716 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2717 arm_output_asm_insn, arm_process_output_memory_barrier,
2718 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2719 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2720 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2721 arm_process_output_sync_insn, arm_output_sync_insn,
2722 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2723 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2724 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2725 (emit_unlikely_jump): New.
2726 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2727 (arm_split_atomic_op): New.
2728 * config/arm/arm-protos.h: Update.
2729 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2730 (struct arm_sync_generator): Remove.
2731 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2732 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2733 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2734 (VUNSPEC_LL, VUNSPEC_SC): New.
2735 (sync_result, sync_memory, sync_required_value, sync_new_value,
2736 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2737 (attr length): Don't use arm_sync_loop_insns.
2738 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2739 (movsfcc, movdfcc): Likewise.
2740 * config/arm/constraints.md (Ua): New.
2741 * config/arm/prediates.md (mem_noofs_operand): New.
2742 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2743 (sync_clobber, sync_t2_reqd): Remove.
2744 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2745 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2746 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2747 (arm_sync_compare_and_swap<SIDI>): Remove.
2748 (arm_sync_compare_and_swap<NARROW>): Remove.
2749 (arm_sync_lock_test_and_set<SIDI>): Remove.
2750 (arm_sync_lock_test_and_set<NARROW>): Remove.
2751 (arm_sync_new_<syncop><SIDI>): Remove.
2752 (arm_sync_new_<syncop><NARROW>): Remove.
2753 (arm_sync_new_nand<SIDI>): Remove.
2754 (arm_sync_new_nand<NARROW>): Remove.
2755 (arm_sync_old_<syncop><SIDI>): Remove.
2756 (arm_sync_old_<syncop><NARROW>): Remove.
2757 (arm_sync_old_nand<SIDI>): Remove.
2758 (arm_sync_old_nand<NARROW>): Remove.
2759 (*memory_barrier): Merge arm_output_memory_barrier.
2760 (atomic_compare_and_swap<QHSD>): New.
2761 (atomic_compare_and_swap<NARROW>_1): New.
2762 (atomic_compare_and_swap<SIDI>_1): New.
2763 (atomic_exchange<QHSD>): New.
2764 (cas_cmp_operand, cas_cmp_str): New.
2765 (atomic_op_operand, atomic_op_str): New.
2766 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2767 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2768 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2769 (arm_load_exclusive<NARROW>): New.
2770 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2771 (arm_store_exclusive<QHSD>): New.
2773 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2775 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2776 reload patterns if -mvsx-scalar-memory.
2778 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2779 generated, even -mno-vsx-scalar-double was used.
2780 (vsx_xscvdpsp_scalar): Likewise.
2781 (vsx_xscvspdp_scalar2): Likewise.
2783 2012-01-09 Tom de Vries <tom@codesourcery.com>
2784 Andrew Pinski <apinski@cavium.com>
2787 * reorg.c (fill_slots_from_thread): Don't speculate
2788 frame-related insns.
2790 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2792 * sched-int.h (bb_note): Move to...
2793 * basic-block.h: ...here.
2794 * haifa-sched.c (bb_note): Move to...
2795 * cfgrtl.c: ...here.
2796 * function.c (next_block_for_reg): New function.
2797 (move_insn_for_shrink_wrap): Likewise.
2798 (prepare_shrink_wrap): Rewrite to use the above.
2800 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2802 * gimple.c (is_gimple_non_addressable): Remove.
2803 * gimple.h: Remove is_gimple_non_addressable.
2804 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2805 is_gimple_non_addressable.
2806 * trans-mem.c (expand_assign_tm): Same.
2808 2012-01-09 Richard Guenther <rguenther@suse.de>
2810 PR tree-optimization/51775
2811 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2812 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2814 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2816 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2818 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2820 2012-01-09 Richard Guenther <rguenther@suse.de>
2822 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2824 2012-01-08 Jan Hubicka <jh@suse.cz>
2826 PR tree-optimize/51680
2827 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2828 on when known_vals needs to be computed; cleanup.
2830 2012-01-08 Jan Hubicka <jh@suse.cz>
2832 PR tree-optimize/51694
2833 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2835 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2837 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2838 for -std=c++98 and -std=c++11 too.
2840 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2842 * cfgloop.c (cancel_loop): Add free() of bbs array.
2844 2012-01-07 Jan Hubicka <jh@suse.cz>
2846 PR tree-optimization/51600
2847 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2848 that benefits small functions.
2850 2012-01-07 Jan Hubicka <jh@suse.cz>
2852 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2854 2012-01-07 Jan Hubicka <jh@suse.cz>
2856 PR tree-optimization/51680
2857 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2858 whose inlining reduce unit size.
2860 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2863 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2864 Add canonical node to containing_mem chain after the non-canonical
2865 one, even if there weren't any locs to propagate.
2866 (remove_useless_values): Keep only canonical values.
2867 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2868 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2869 canonicalize mem_chain elements that are not discarded.
2871 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2874 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2875 before emitting functions.
2877 PR gcov-profile/50127
2878 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2879 clear_aux_for_blocks.
2881 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2884 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2886 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2888 * c-decl.c (ext_block): Moved up.
2889 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2891 2012-01-06 Han Shen <shenhan@google.com>
2893 Translate built-in include paths for sysroot.
2894 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2895 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2897 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2898 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2900 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2901 control whether sysroot should be prepended to gxx include dir.
2903 * configure: Regenerate.
2905 2012-01-06 Torvald Riegel <triegel@redhat.com>
2907 PR rtl-optimization/51771
2908 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2909 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2911 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2913 PR tree-optimization/51315
2914 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2915 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2917 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2920 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2921 for shrp pattern. Correctly handle and fixup shift variable.
2922 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2924 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2927 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2928 note when !ACCUMULATE_OUTGOING_ARGS.
2930 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2932 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2934 (extract_range_from_unary_expr_1): Avoid useless computations.
2936 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2938 PR rtl-optimization/51767
2939 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2940 of jump_block and add an extra edge for degenerated asm gotos.
2943 * stmt.c (check_unique_operand_names): Don't ICE during error
2944 reporting if i is from labels chain.
2947 * profile.c (branch_prob): Split bbs that have exit edge
2948 and need a fake entry edge too.
2950 2012-01-05 Jan Hubicka <jh@suse.cz>
2953 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2956 2012-01-05 Richard Guenther <rguenther@suse.de>
2959 * tree-streamer-out.c (write_ts_optimization): New function.
2960 (streamer_write_tree_body): Call it.
2961 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2962 (streamer_read_tree_body): Call it.
2963 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2965 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2968 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2969 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2970 in_cleanup_point_expr before gimplify_stmt call and restore it
2972 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2973 in_cleanup_point_expr is false.
2975 2012-01-05 Richard Guenther <rguenther@suse.de>
2978 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2980 * toplev.c (process_options): Reject combining mudflap and LTO.
2981 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2983 2012-01-05 Richard Guenther <rguenther@suse.de>
2985 PR tree-optimization/51760
2986 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2988 (bit_value_unop): Handle UNDEFINED operands.
2989 (bit_value_binop): Likewise.
2991 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2993 * config/avr/avr.c (avr_replace_prefix): Remove.
2994 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2995 (avr_asm_function_rodata_section): Ditto.
2996 (avr_asm_select_section): Ditto.
2998 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3000 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3003 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3006 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3007 calls that have any non-fake successor edges.
3010 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3012 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3014 PR tree-optimization/51624
3015 * tree-sra.c (build_ref_for_model): When replicating a chain of
3016 COMPONENT_REFs, stop as soon as the offset would become negative.
3018 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3021 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3022 in .debug_loc on the floor.
3024 2012-01-04 Andrew Pinski <apinski@cavium.com>
3026 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3028 2012-01-04 Andrew Pinski <apinski@cavium.com>
3029 Adam Nemet <anemet@caviumnetworks.com>
3031 * config/mips/mips.md (size): Add SI and DI.
3032 (SIZE): New mode attribute.
3033 (U): New code attribute.
3034 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3035 (mips_lbux_<mode>): Delete.
3036 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3037 (mips_lhx): Use gen_mips_lhx_extsi.
3038 (mips_lhx_<mode>): Delete.
3040 (mips_l<size>x): New expand.
3041 (mips_lwx_<mode>): Delete.
3042 (mips_l<GPR:size>x_<P:mode>): New pattern.
3043 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3044 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3045 * config/mips/mips.c (mips_lx_address_p): New function.
3046 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3047 (dsp64): New availability predicate.
3048 (mips_builtins): Add an entry for __builtin_mips_ldx.
3049 * config/mips/mips.h (ISA_HAS_LBX): New define.
3050 (ISA_HAS_LBUX): Likewise.
3051 (ISA_HAS_LHX): Likewise.
3052 (ISA_HAS_LHUX): Likewise.
3053 (ISA_HAS_LWX): Likewise.
3054 (ISA_HAS_LWUX): Likewise.
3055 (ISA_HAS_LDX): Likewise.
3056 * doc/extend.texi (__builtin_mips_ldx): Document.
3058 2012-01-04 Tristan Gingold <gingold@adacore.com>
3060 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3061 when long pointers are used.
3062 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3063 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3064 (ia64-hp-*vms*): Remove.
3065 * config/vms/xm-vms64.h: Delete.
3067 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3070 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3072 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3074 * opts.c (finish_options): Remove duplicate sorry.
3076 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3079 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3082 2012-01-04 Richard Guenther <rguenther@suse.de>
3085 * tree.c (size_low_cst): New function.
3086 * tree.h (size_low_cst): Declare.
3087 * fold-const.c (fold_comparison): Use it to extract the low
3088 part of the POINTER_PLUS_EXPR offset.
3090 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3092 Fix clearing ZERO_REG
3093 * config/avr/avr.md (cc): Add alternative "ldi".
3094 (movqi_insn): Use it in cc attribute.
3095 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3096 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3097 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3099 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3101 * configure: Regenerate.
3103 2012-01-04 Richard Guenther <rguenther@suse.de>
3105 PR tree-optimization/49651
3106 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3107 (var_can_have_subvars): Use it.
3108 (get_constraint_for_1): Only consider subfields if there can be any.
3110 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3113 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3114 to its new canonical_cselib_val and the cselib_val was in
3115 first_containing_mem chain, but the canonical_cselib_val was not,
3116 add the latter into the chain.
3117 (cselib_invalidate_mem): Compare canonical_cselib_val of
3118 addr_list chain elt with v.
3121 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3122 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3124 (output_macinfo_op): Don't ggc_strdup fd->filename.
3125 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3126 then ggc_strdup it. Don't free inc->info or cur->info.
3127 (output_macinfo): Don't free ref->info or file->info.
3129 2012-01-03 Ira Rosen <irar@il.ibm.com>
3131 PR tree-optimization/51269
3132 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3133 first_niters a pointer.
3134 (slpeel_tree_peel_loop_to_edge): Likewise.
3135 (vect_do_peeling_for_loop_bound): Update call to
3136 slpeel_tree_peel_loop_to_edge.
3137 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3138 here. Remove it from the parameters list.
3139 (vect_do_peeling_for_alignment): Update calls and compute
3142 2012-01-03 Richard Guenther <rguenther@suse.de>
3144 PR tree-optimization/51070
3145 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3146 Properly handle calls.
3148 2012-01-03 Richard Guenther <rguenther@suse.de>
3150 PR tree-optimization/51692
3151 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3152 the LHS of allocation stmts.
3154 2012-01-03 Olivier Hainque <hainque@adacore.com>
3156 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3158 2012-01-03 Olivier Hainque <hainque@adacore.com>
3160 * collect2.c (main): In AIX specific computations for vector
3161 insertions, use CONST_CAST2 to cast from char ** to const char **.
3163 2012-01-03 Richard Guenther <rguenther@suse.de>
3166 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3167 the context of a limbo DIE when it does not already exist.
3169 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3171 PR tree-optimization/51719
3172 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3173 but direct call is, clear direct call's lhs and don't add fallthrough
3174 edge from dcall_bb to join_bb and PHIs.
3176 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3178 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3179 the instructions emitted by the pattern.
3180 ("*TDC_insn_<mode>"): Add comment.
3182 2012-01-03 Richard Guenther <rguenther@suse.de>
3185 * fold-const.c (fold_comparison): Properly canonicalize
3186 tree offset and HOST_WIDE_INT bit position.
3188 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3190 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3191 operands for extzv pattern.
3193 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3196 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3199 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3201 * doc/invoke.texi (-flto and related options): Copy-edit.
3203 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3205 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3207 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3209 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3212 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3214 * expr.h (move_by_pieces_ninsns): Declare.
3215 * expr.c (move_by_pieces_ninsns): Make external.
3216 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3217 (mips_store_by_pieces_p): Likewise.
3218 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3219 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3220 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3221 (mips_store_by_pieces_p): Likewise.
3223 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3225 * passes.c (register_one_dump_file): Free full_name.
3227 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3228 (calculate_elim_costs_all_insns): Free offsets_at and
3229 offsets_known_at at the end and clear the pointers.
3231 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3233 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3234 this option introduced in r180739.
3236 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3239 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3240 (tmake_file target=avr): Add avr/t-multilib.
3242 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3243 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3244 * config/avr/genmultilib.awk: New file.
3245 * config/avr/t-multilib: New auto-generated file.
3246 * config/avr/multilib.h: New auto-generated file.
3247 * config/avr/t-avr (AVR_MCUS): New variable.
3248 (genopt.sh): Use it.
3249 (s-mlib): Depend on t-multilib.
3250 (t-multilib, multilib.h): New dependencies.
3251 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3252 (MULTILIB_OPTIONS): Remove.
3253 (MULTILIB_MATCHES): Remove.
3254 (MULTILIB_DIRNAMES): Remove.
3255 (MULTILIB_EXCEPTIONS): Remove:
3256 * config/avr/genopt.sh: Don't use hard coded file name;
3257 pass AVR_MCUS from t-avr instead.
3259 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3261 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3263 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3265 Implement light-weight DImode support.
3266 * config/avr/avr-dimode.md: New file.
3267 * config/avr/avr.md: Include it.
3268 (adjust_len): Add plus64, compare64.
3269 (HIDI): Remove code iterator.
3270 (code_stdname): New code attribute.
3271 (rotx, rotsmode): Remove DI.
3272 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3274 * config/avr/avr-protos.h (avr_have_dimode): New.
3275 (avr_out_plus64, avr_out_compare64): New.
3276 * config/avr/avr.c (avr_out_compare): Handle DImode.
3277 (avr_have_dimode): New variable definition and initialization.
3278 (avr_out_compare64, avr_out_plus64): New functions.
3279 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3280 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3281 (avr_compare_pattern): Skip DImode comparisons.
3283 2012-01-02 Revital Eres <revital.eres@linaro.org>
3285 * ddg.c (def_has_ccmode_p): New function.
3286 (add_cross_iteration_register_deps,
3287 create_ddg_dep_from_intra_loop_link): Call it.
3289 2012-01-02 Richard Guenther <rguenther@suse.de>
3292 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3294 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3296 * gcc.c (process_command): Update copyright notice dates.
3297 * gcov.c (print_version): Likewise.
3298 * gcov-dump.c (print_version): Likewise.
3299 * mips-tfile.c (main): Likewise.
3300 * mips-tdump.c (main): Likewise.
3302 2012-01-01 Ira Rosen <irar@il.ibm.com>
3304 PR tree-optimization/51704
3305 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3306 a use is inside the basic block or loop before accessing its vect info.
3308 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3310 PR rtl-optimization/51069
3311 * cfgloopmanip.c (remove_path): Removing path making irreducible
3312 region unconditional makes BB part of the region.
3314 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3316 PR tree-optimization/51683
3317 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3318 calls with side-effects.
3319 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3321 Copyright (C) 2012 Free Software Foundation, Inc.
3323 Copying and distribution of this file, with or without modification,
3324 are permitted in any medium without royalty provided the copyright
3325 notice and this notice are preserved.