1 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
4 * config/avr/avr.c (avr_output_bld): Remove unused function.
5 (avr_out_sbxx_branch): Use "%T" to print bit position.
7 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
9 * config/avr/avr.md: Untabify.
11 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
13 * config/avr/avr.md (eqne): New code iterator.
14 (*dec-and-branchsi): Use it in text peephole's condition.
15 (*dec-and-branchhi): Ditto.
16 (*dec-and-branchqi): Ditto.
18 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
21 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
22 the device does not have the skip-bug.
24 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
26 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
27 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
28 -mpretend-cmove): New.
30 2012-02-29 Jakub Jelinek <jakub@redhat.com>
33 * df.h (struct df_d): Adjust comment that hard_regs_live_count
34 doesn't count DEBUG_INSN refs.
35 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
38 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
42 2012-02-20 Richard Guenther <rguenther@suse.de>
43 PR tree-optimization/52298
44 * tree-vect-stmts.c (vectorizable_load): Properly use
45 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
48 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
51 * gimple.h (gimple_in_transaction): New.
52 (gimple_set_in_transaction): New.
53 (struct gimple_statement_base): Add in_transaction field.
54 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
56 (tree_ssa_lim_initialize): Compute transaction bits.
57 * tree.h (compute_transaction_bits): Protoize.
58 * trans-mem.c (tm_region_init): Use the heap to store BB
60 (compute_transaction_bits): New.
62 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
64 * gcc.c (display_help): Document --help=common and sort entries
67 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
69 * doc/install.texi: Document check-$LANG specific shortcuts
71 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
74 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
76 * config/arm/arm_neon.h: Regenerate.
77 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
78 (neon_vcgeu): New insn.
79 (neon_vcgtu): Likewise.
80 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
81 (ops): Unsigned comparison intrinsics call a different
84 2012-02-28 Richard Guenther <rguenther@suse.de>
87 * config/i386/i386.c (ix86_expand_vector_set): Fix element
88 ordering for the VEC_CONCAT for two element vectors for
89 V2SFmode, V2SImode and V2DImode.
91 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
94 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
95 detecting big-endian triplets.
97 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
99 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
100 mode if there is no type information available.
102 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
104 PR tree-optimization/53207
105 * doc/invoke.texi: Document as experimental and relying on graphite.
107 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
109 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
110 of initializer to changes from r184614.
112 2012-02-28 Richard Guenther <rguenther@suse.de>
114 PR tree-optimization/52395
115 * tree-sra.c (build_ref_for_offset): Also look at the base
116 TYPE_ALIGN when figuring out the alignment of the replacement.
118 2012-02-28 Richard Guenther <rguenther@suse.de>
120 PR tree-optimization/52402
121 * ipa-prop.c (ipa_modify_call_arguments): Properly use
122 mis-aligned types when creating the accesses at the call site.
124 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
126 * config/avr/builtins.def: New file.
127 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
128 * config/avr/avr.c (enum avr_builtin_id): Use it.
129 (avr_init_builtins): Use it. And use avr_bdesc.
130 (bdesc_1arg): Remove.
131 (bdesc_2arg): Remove.
132 (bdesc_3arg): Remove.
133 (struct avr_builtin_description): Add field n_args.
134 (avr_bdesc): New static variable using builtins.def.
135 (avr_expand_builtin): Use it.
136 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
137 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
138 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
140 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
143 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
144 match only one single hard register with respective hard reg rtx.
145 (movmemx_<mode>): Ditto.
146 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
147 insn anatomy of movmem[x]_<mode>.
148 (avr_out_movmem): Same for printing assembler and operand usage.
150 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
154 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
155 address spaces located outside of device flash.
157 * config/avr/avr.h (base_arch_s): Remove field n_segments.
158 (mcu_type_s): Add field n_flash.
159 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
160 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
161 (AVR_MCU): Add N_FLASH argument.
162 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
163 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
164 macro __FLASH<n> if that address space makes sense for the device.
165 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
166 outside of target flash.
167 (avr_asm_named_section): Ditto.
168 (avr_asm_select_section): Ditto.
169 (avr_addr_space_convert): Ditto.
170 (avr_emit_movmemhi): Ditto.
171 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
172 address space is outside of device flash.
173 (avr_insert_attributes): Ditto.
174 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
175 avr_current_arch->n_segments.
177 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
180 * config/i386/i386.md (*movabs<mode>_1): Enable only for
182 (*movabs<mode>_2): Likewise.
184 2012-02-27 Jakub Jelinek <jakub@redhat.com>
187 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
188 s_register_operand in the test instead of REG_P. Don't call
189 gen_reg_rtx if it won't be used.
191 PR tree-optimization/52376
192 * ipa-split.c (split_function): Ignore CLOBBER stmts.
194 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
196 * ifcvt.c (noce_get_condition): Check condition variable is not
197 small_register_classes_for_mode_p before accepting.
199 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
201 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
203 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
206 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
207 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
209 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
211 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
213 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
215 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
217 * config/sh/predicates.md: Remove blank lines.
218 * config/sh/sh.c: Fix typos in comments.
219 * config/sh/constraints.md: Likewise.
220 * config/sh/sh.md: Remove blank lines.
221 Fix typos in comments. Use ;; as comment characters.
223 2012-02-26 Walter Lee <walt@tilera.com>
225 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
226 (replace_mov_pcrel_step2): Ditto.
228 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
231 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
232 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
233 and locs that reference values newer than the non-canonical value
234 at hand. Return the canonical value as a worst case.
235 (memrefs_conflict_p): Walk canonical value's locs.
238 * cselib.c (preserve_only_constants): Rename to...
239 (preserve_constants_and_equivs): ... this. Split out...
240 (invariant_or_equiv_p): ... this. Preserve plus expressions
241 of other preserved expressions too.
242 (cselib_reset_table): Adjust.
243 * var-tracking.c (reverse_op): Use canonical value to build
246 2012-02-23 Kai Tietz <ktietz@redhat.com>
248 * config/i386/i386.c (ix86_delegitimize_address): Handle
249 UNSPEC_PCREL plus displacement.
251 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
254 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
255 to test for unusedness in st X addressing.
257 2012-02-24 Richard Guenther <rguenther@suse.de>
260 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
261 (is_gimple_reg_type): Move inline ...
262 * gimple.h (is_gimple_reg_type): ... here.
264 2012-02-24 Richard Guenther <rguenther@suse.de>
267 * passes.c (execute_function_todo): When verifying SSA form
268 verify gimple form first.
269 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
271 2012-02-24 Richard Guenther <rguenther@suse.de>
274 * fold-const.c (fold_addr_of_array_ref_difference): New function.
275 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
277 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
279 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
281 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
283 * tree-phinodes.c (make_phi_node): Mark static.
284 * tree-flow.h (make_phi_node): Remove extern decl.
285 * doc/gimple.texi (make_phi_node): Remove documentation.
287 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
289 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
290 * tree-ssa-sccvn.c (print_scc): Ditto.
292 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
294 * doc/passes.texi (Full redundancy elimination): Fix typo.
296 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
298 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
300 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
303 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
305 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
308 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
310 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
312 * config/avr/avr.md (code_stdname): Add ior, xor.
313 (xior): New code iterator.
314 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
315 (*<code_stdname><mode>qi.byte1-3): Ditto.
317 2012-02-23 Jakub Jelinek <jakub@redhat.com>
319 PR tree-optimization/52019
320 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
323 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
325 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
326 HAVE_INITFINI_ARRAY to work around namespace pollution in
327 certain versions of newlib system headers.
328 * config.in: Regenerate.
329 * configure: Regenerate.
330 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
331 instead of HAVE_INITFINI_ARRAY.
333 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
336 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
337 is not offsettable memory reference.
339 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
342 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
343 setting avr_need_clear_bss_p for __gnu_lto* symbols.
345 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
347 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
348 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
350 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
352 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
353 library on Solaris 8 even without TLS support.
354 * configure: Regenerate.
356 2012-02-22 Richard Guenther <rguenther@suse.de>
359 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
360 for GIMPLE_DEBUG stmts.
362 2012-02-22 Martin Jambor <mjambor@suse.cz>
365 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
366 according to the base object.
368 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
370 PR rtl-optimization/50063
371 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
372 and 2 (8-bit SP) in operand 2.
373 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
374 setup to use movhi_sp_r instead of vanilla move to write SP.
375 Adjust REG_CFA notes to superseed unspec.
376 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
378 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
379 known to be off) only with TARGET_NO_INTERRUPTS. Never use
380 irq_state 1 (IRQ known to be on) here.
382 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
384 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
386 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
387 assign_hard_reg): Likewise.
389 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
391 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
393 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
396 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
397 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
399 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
401 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
402 prototype from here to...
403 * config/avr/avr.h: ...here.
405 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
408 * thumb2.md (thumb2_shiftsi3_short): Split register and
409 immediate shifts. For register shifts tie operands 0 and 1.
410 (peephole2 for above): Check that register-controlled shifts
411 have suitably tied operands.
413 2012-02-21 Quentin Neill <quentin.neill@amd.com>
416 * config/i386/bdver1.md (bdver1_call, bdver1_push,
417 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
418 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
419 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
420 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
421 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
422 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
423 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
424 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
425 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
426 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
427 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
428 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
429 bdver1_ssevector_avx256_unaligned_load,
430 bdver1_ssevector_sse128_unaligned_load,
431 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
432 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
433 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
434 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
435 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
436 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
437 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
438 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
439 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
440 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
441 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
442 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
443 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
444 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
445 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
446 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
447 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
448 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
449 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
450 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
451 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
452 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
453 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
454 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
455 bdver1_ssediv_double_load, bdver1_ssediv_double,
456 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
457 Add "bdver2" attribute.
459 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
461 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
462 default if possible and not specified otherwise.
464 2012-02-21 Richard Guenther <rguenther@suse.de>
467 * gimplify.c (create_tmp_from_val): Use the main variant type
468 for the type of the temporary we create.
470 2012-02-21 Richard Guenther <rguenther@suse.de>
472 PR tree-optimization/52324
473 * gimplify.c (gimplify_expr): When re-gimplifying expressions
474 do not gimplify a MEM_REF address operand if it is already
477 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
479 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
480 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
482 2012-02-21 Richard Guenther <rguenther@suse.de>
484 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
487 2012-02-21 Jakub Jelinek <jakub@redhat.com>
489 PR tree-optimization/52318
490 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
491 vdef also to non-pure/const call stmts in the sequence.
493 2012-02-20 David S. Miller <davem@davemloft.net>
495 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
496 don't use the "rd %pc" instruction on v9 for PIC register loads.
498 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
501 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
502 in a transaction safe function.
504 2012-02-20 Kai Tietz <ktietz@redhat.com>
507 * stor-layout.c (place_field): Handle desired_align for
510 2012-02-20 Richard Guenther <rguenther@suse.de>
512 PR tree-optimization/52298
513 * tree-vect-stmts.c (vectorizable_store): Properly use
514 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
516 (vectorizable_load): Likewise.
517 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
518 Access DR_STEP after ensuring it is not NULL.
520 2012-02-20 Jakub Jelinek <jakub@redhat.com>
522 PR tree-optimization/52286
523 * fold-const.c (fold_binary_loc): For (X & C1) | C2
524 optimization use double_int_to_tree instead of build_int_cst_wide,
525 rewrite to use double_int vars.
527 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
530 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
532 Remove -e 0 from $gcc_cv_ld invocation.
533 Only use __GLIBC_PREREQ if defined.
534 Enable on Solaris since Solaris 8 patch.
535 (gcc_SUN_LD_VERSION): New macro.
536 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
537 gcc_SUN_LD_VERSION for version number format.
538 * configure: Regenerate.
539 * varasm.c (get_elf_initfini_array_priority_section): Set
540 SECTION_NOTYPE for non-default priority.
541 Use get_section instead of get_unnamed_section to emit
542 .init_array/.fini_array with default priority.
544 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
546 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
547 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
548 (mips_start_unique_function, mips_output_mips16_rdhwr)
549 (mips_code_end): New functions.
550 (TARGET_ASM_CODE_END): Define.
552 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
554 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
555 to stubs with non-sibling calls.
557 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
559 * doc/invoke.texi (-fira-* options): Copy-edit.
560 (ira-* parameters): Copy-edit.
562 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
564 * doc/invoke.texi: Minor copy-edits to bring into conformance with
565 GCC coding conventions.
567 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
569 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
570 when used as adjectives.
572 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
574 * doc/invoke.texi: Clean up "that"/"which" confusion.
576 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
578 * system.h: Poison SMALL_REGISTER_CLASSES
579 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
580 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
582 2012-02-16 Jakub Jelinek <jakub@redhat.com>
584 PR tree-optimization/52285
585 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
586 when deciding if a call is a tail call or tail recursion.
588 2012-02-16 Kai Tietz <ktietz@redhat.com>
590 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
591 interger-constant displacement for UNSPEC_PCREL.
593 2012-02-16 Jakub Jelinek <jakub@redhat.com>
595 PR rtl-optimization/52208
596 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
597 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
599 PR tree-optimization/52255
600 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
601 loop->header has virtual PHI, but exit_e->dest doesn't, add
602 virtual PHI to exit_e->dest and adjust all uses after the loop.
605 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
606 children with clone_tree_hash, not after it.
608 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
610 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
611 extended identifiers.
613 2012-02-16 Jakub Jelinek <jakub@redhat.com>
616 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
617 a same_body_alias, also test whether e->callee isn't a former
618 or current clone of the decl this is a same body alias of.
621 * cgraphunit.c (verify_cgraph_node): Fix a typo.
623 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
625 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
627 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
630 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
631 force_reg instead of copy_to_reg for better optimization. Force
632 non-register or memory operands into a register.
634 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
636 * extend.texi: Reserve upper bits of memory model for future use.
638 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
639 Anatoly Sokolov <aesok@post.ru>
640 Eric Weddington <eric.weddington@atmel.com>
643 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
644 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
645 Rewrite initializers for .macro.
646 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
647 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
648 atxmega32d4, atxmega32x1.
649 avrxmega4: atxmega64a3, atxmega64d3.
650 avrxmega5: atxmega64a1, atxmega64a1u.
651 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
652 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
653 avrxmega7: atxmega128a1, atxmega128a1u.
654 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
655 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
656 (struct base_arch_s): Rename reserved to xmega_p.
657 Rename reserved2 to have_rampd.
658 (AVR_XMEGA): New define.
659 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
660 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
661 * config/avr/predicates.md (io_address_operand): Take into
663 (low_io_address_operand): Ditto.
664 (high_io_address_operand): Ditto.
665 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
666 (enabled, movhi_sp_r): Use them.
667 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
668 cpp_define_formatted to built-in define __AVR_ARCH__.
669 (__AVR_XMEGA__): New built-in define.
670 (__AVR_HAVE_RAMPD__): New built-in define.
671 (__AVR_HAVE_RAMPX__): New built-in define.
672 (__AVR_HAVE_RAMPY__): New built-in define.
673 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
675 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
676 (avr_option_override): Initialize them.
677 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
678 (avr_init_expanders): Initialize them. No more block several calls.
679 (emit_push_sfr): New static function.
680 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
682 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
683 (avr_print_operand): Print addreeses as symbols for
684 RAMPX, RAMPY, RAMPD, CCP.
685 (output_movhi): Handle AVR_XMEGA when writing to SP.
686 (avr_out_movhi_mr_r_xmega): New static function.
687 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
688 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
689 __RAMPD__, __CCP__ as needed.
691 * config/avr/multilib.h: Regenerate.
692 * config/avr/t-multilib: Regenerate.
693 * config/avr/avr-tables.opt: Regenerate.
695 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
697 PR tree-optimization/50561
698 * graphite-flattening.c (lst_project_loop): Do not
699 remove old scattering dimensions after flattening.
700 (lst_do_flatten): Likewise.
702 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
704 * doc/extend.texi (AVR Built-in Functions): Remove doc for
705 __builtin_avr_map8, __builtin_avr_map16.
706 Document __builtin_avr_insert_bits.
708 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
709 (insert_bits): New insn.
710 (adjust_len.map_bits): Rename to insert_bits.
711 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
712 * avr-protos.h (avr_out_map_bits): Remove.
713 (avr_out_insert_bits, avr_has_nibble_0xf): New.
714 * config/avr/constraints.md (Cxf,C0f): New.
715 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
716 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
717 New built-in define __BUILTIN_AVR_INSERT_BITS.
718 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
719 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
720 (avr_move_bits): Rewrite.
721 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
723 (avr_map_op_t): New typedef.
724 (avr_map_op): New static variable.
725 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
726 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
727 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
728 (bdesc_3arg, avr_expand_triop_builtin): New.
729 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
730 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
731 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
732 (avr_map_equal_p, avr_map_sig_p): Remove.
733 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
734 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
735 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
736 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
737 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
738 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
740 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
742 * config/c6x/c6x.md (reserve_cycles): New attribute.
743 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
744 don't reserve functional units after the branch occurs.
746 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
749 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
750 functions into non-tm_pure functions.
752 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
755 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
756 (iterative_hash_canonical_type): Likewise.
757 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
760 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
762 * haifa-sched.c (prune_ready_list): Ensure that if there is a
763 sched-group insn, it either remains alone or the entire list is pruned.
765 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
767 * doc/install.texi (Prerequisites): Fix grammar.
768 (Configuration): Likewise.
770 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
772 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
773 MPC as part of GCC before describing configuring with --with-gmp etc.
774 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
777 2012-02-14 Jakub Jelinek <jakub@redhat.com>
780 * dwarf2out.c (clone_tree_hash): New function.
781 (copy_decls_walk): Use it instead of clone_tree.
783 2012-02-14 Richard Guenther <rguenther@suse.de>
785 PR tree-optimization/52244
786 PR tree-optimization/51528
787 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
788 replacements for integral types.
790 2012-02-14 Walter Lee <walt@tilera.com>
792 * config.gcc: Handle tilegx and tilepro.
793 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
795 Add HAVE_AS_TLS check for tilegx and tilepro.
796 * configure: Regenerate.
797 * doc/contrib.texi: Add Mat Hostetter and self.
798 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
799 Document instruction intrinsics and network accessing intrinsics.
800 (TILEPro Built-in Functions): New node. Document instruction
801 intrinsics and network accessing intrinsics.
802 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
803 (Specific, tilepro-*-linux*): Likewise.
804 * doc/invoke.texi (TILE-Gx Options): New section.
805 (TILEPro Options): New section.
806 * doc/md.texi (TILE-Gx): New section.
807 (TILEPro): New section.
808 * common/config/tilegx/tilegx-common.c: New file.
809 * common/config/tilepro/tilepro-common.c: New file.
810 * config/tilegx/constraints.md: New file.
811 * config/tilegx/linux.h: New file.
812 * config/tilegx/mul-tables.c: New file.
813 * config/tilegx/predicates.md: New file.
814 * config/tilegx/sync.md: New file.
815 * config/tilegx/t-tilegx: New file.
816 * config/tilegx/tilegx-builtins.h: New file.
817 * config/tilegx/tilegx-c.c: New file.
818 * config/tilegx/tilegx-generic.md: New file.
819 * config/tilegx/tilegx-modes.def: New file.
820 * config/tilegx/tilegx-multiply.h: New file.
821 * config/tilegx/tilegx-protos.h: New file.
822 * config/tilegx/tilegx.c: New file.
823 * config/tilegx/tilegx.h: New file.
824 * config/tilegx/tilegx.md: New file.
825 * config/tilegx/tilegx.opt: New file.
826 * config/tilepro/constraints.md: New file.
827 * config/tilepro/gen-mul-tables.cc: New file.
828 * config/tilepro/linux.h: New file.
829 * config/tilepro/mul-tables.c: New file.
830 * config/tilepro/predicates.md: New file.
831 * config/tilepro/t-tilepro: New file.
832 * config/tilepro/tilepro-builtins.h: New file.
833 * config/tilepro/tilepro-c.c: New file.
834 * config/tilepro/tilepro-generic.md: New file.
835 * config/tilepro/tilepro-modes.def: New file.
836 * config/tilepro/tilepro-multiply.h: New file.
837 * config/tilepro/tilepro-protos.h: New file.
838 * config/tilepro/tilepro.c: New file.
839 * config/tilepro/tilepro.h: New file.
840 * config/tilepro/tilepro.md: New file.
841 * config/tilepro/tilepro.opt: New file.
843 2012-02-14 Jakub Jelinek <jakub@redhat.com>
845 PR tree-optimization/52210
846 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
847 vect_model_simple_cost with two entry vect_def_type array instead
850 2012-02-14 Richard Guenther <rguenther@suse.de>
853 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
854 Do not stream DECL_QUALIFIER.
855 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
856 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
857 (find_decls_types_r): Do not walk DECL_QUALIFIER.
859 2012-02-14 Jakub Jelinek <jakub@redhat.com>
862 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
865 2012-02-13 Jakub Jelinek <jakub@redhat.com>
868 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
869 * cselib.c (cselib_subst_to_values_from_insn): New function.
870 * sched-deps.c (add_insn_mem_dependence,
871 sched_analyze_1, sched_analyze_2): Use it.
873 2012-02-13 Jan Hubicka <jh@suse.cz>
876 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
878 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
880 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
881 (GTM_SELF_SPECS): Define if not already defined.
882 (driver_self_specs): Add GTM_SELF_SPECS.
883 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
884 (GTM_SELF_SPECS): Define.
885 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
886 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
888 2012-02-13 Jakub Jelinek <jakub@redhat.com>
890 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
893 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
896 * omp-low.c (expand_omp_for): If a static schedule without chunk size
897 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
899 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
902 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
904 2012-02-13 Richard Guenther <rguenther@suse.de>
907 * passes.c (enable_disable_pass): Fix typo.
909 2012-02-13 Jakub Jelinek <jakub@redhat.com>
912 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
913 XOR for reduce_bit_field if type is unsigned.
915 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
917 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
918 disallow changes from SFmode to mode with different size in FP regs.
920 2012-02-12 Robert Millan <rmh@gnu.org>
921 Gerald Pfeifer <gerald@pfeifer.com>
923 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
926 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
928 PR rtl-optimization/52175
929 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
930 to frame-related instructions.
932 2012-02-10 Jason Merrill <jason@redhat.com>
935 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
936 (demangle_new_symbols): Fill it.
937 (scan_linker_output): Walk it.
938 (start_tweaking): Split out from scan_linker_output.
939 (maybe_tweak): Update sym->chosen.
940 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
942 2012-02-11 Jakub Jelinek <jakub@redhat.com>
945 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
947 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
949 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
950 having the same mode as previous compare.
952 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
954 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
955 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
956 (nonlocal_goto_internal): Likewise.
957 (nonlocal_goto): Emit a use and an indirect jump directly.
959 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
962 * doc/extend.texi : Update comments for __atomic_compare_exchange and
963 __atomic_{is,always}_lock_free.
965 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
968 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
969 negative constant address for x32.
971 2012-02-10 Richard Henderson <rth@redhat.com>
973 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
974 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
975 for GIMPLE_TRANSACTION. Tidy if's into a switch.
977 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
978 Ira Rosen <irar@il.ibm.com>
980 PR tree-optimization/50031
981 * targhooks.c (default_builtin_vectorization_cost): Handle
983 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
984 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
985 all types of reduction and pattern statements.
986 (vect_estimate_min_profitable_iters): Likewise.
987 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
988 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
989 for explicit realigns.
990 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
991 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
993 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
994 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
995 vec_perm for VSX and handle vec_promote_demote.
997 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1000 * builtins.c (fold_builtin_atomic_always_lock_free,
1001 expand_builtin_atomic_always_lock_free,
1002 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1003 Return and/or test boolean_true_node/boolean_false_node instead of
1004 integer_one_node/integer_zero_node.
1006 2012-02-10 Jan Hubicka <jh@suse.cz>
1009 * predict.c (predict_paths_for_bb): Prevent looping.
1010 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1012 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1014 * config/arm/arm.c (output_move_double): In one case properly
1015 count number of instructions that will be emitted.
1017 2012-02-10 Richard Guenther <rguenther@suse.de>
1019 PR translation/52193
1020 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1022 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1025 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1027 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1030 * var-tracking.c (emit_note_insn_var_location): If
1031 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1032 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1033 non-NOTE_DURING_CALL_P insn.
1035 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1038 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1040 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1043 * gcc.c (switch_matches) Support switches with separated form,
1046 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1048 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1050 (RAMPZ_ADDR): Ditto.
1051 * config/avr/avr.c (avr_addr_t): New typedef.
1052 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1053 (avr_init_expanders): Initialize it.
1054 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1056 (expand_epilogue): Ditto.
1057 (avr_print_operand): Ditto.
1058 (avr_file_start): Ditto.
1059 (avr_emit_movmemhi): Ditto.
1061 2012-02-08 Richard Guenther <rguenther@suse.de>
1063 PR tree-optimization/46886
1064 * tree-flow.h (do_while_loop_p): Declare.
1065 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1066 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1068 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1070 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1071 always succeed for integers larger than a native word.
1073 2012-02-08 Richard Guenther <rguenther@suse.de>
1075 PR rtl-optimization/52170
1076 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1077 properly handle integer vector modes.
1079 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1081 PR gcov-profile/52150
1082 * coverage.c: Include target.h.
1083 (build_var): Call targetm.strip_name_encoding on the assembler name.
1084 Change one _ into . or $ if the target allows it.
1085 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1087 PR rtl-optimization/52139
1088 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1089 is a BARRIER after emit_insn_after_noloc, move BB_END
1090 to the last non-BARRIER insn before it.
1092 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1095 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1096 (mips_gimplify_va_arg_expr): Call it instead of
1097 std_gimplify_va_arg_expr.
1099 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1101 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1102 message for -mno-pointers-to-nested-function.
1104 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1107 * expr.c (get_inner_reference): If there is an offset, add a negative
1108 bit position to it (if any).
1110 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1112 PR rtl-optimization/52060
1113 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1114 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1115 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1116 and/or i0src_copy2 when needed.
1118 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1120 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1121 or LTOPLUGINSONAME if have_c.
1123 * config/freebsd-spec.h: Add comment about what macros can be defined
1125 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1126 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1129 2012-02-07 Richard Guenther <rguenther@suse.de>
1131 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1132 newline in -alias dumps.
1134 2012-02-07 Kai Tietz <ktietz@redhat.com>
1135 Dave Korn <dave.korn.cygwin@gmail.com>
1138 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1139 Take care that typinfo gets dllexport-attribute.
1141 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1144 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1145 if modifier < EXPAND_SUM call force_operand on the result.
1147 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1149 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1150 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1152 (epiphany_function_type): Replace types for specific interrupts with
1153 EPIPHANY_FUNCTION_INTERRUPT.
1154 (EPIPHANY_INTERRUPT_P): Update.
1155 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1156 New static function.
1157 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1158 <disinterrupt>: Affects type identity.
1159 (epiphany_handle_interrupt_attribute): Handle variable number of
1161 (epiphany_compute_function_type): Update for new
1162 epiphany_function_type definition.
1163 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1164 handlers with a longcall forwarder.
1165 (epiphany_start_function): Handle multiple interrupt arguments and/or
1166 forwarder_section attribute.
1168 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1171 2012-02-07 Alan Modra <amodra@gmail.com>
1174 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1177 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1179 PR tree-optimization/50969
1180 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1181 use vec_perm rather than vector_stmt.
1182 (vect_model_load_cost): Likewise.
1183 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1184 vec_perm to be the same as other vector statements.
1185 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1186 cost of vec_perm for TARGET_VSX.
1188 2012-02-06 Richard Guenther <rguenther@suse.de>
1190 PR tree-optimization/52115
1191 * tree-sra.c (access_has_replacements_p): New function.
1192 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1194 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1197 * trans-mem.c (expand_call_tm): Add an assertion.
1198 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1201 2012-02-06 Richard Guenther <rguenther@suse.de>
1203 PR tree-optimization/50955
1204 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1205 raise cost of expressions that replace an address with an
1206 expression based on a different pointer.
1208 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1211 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1212 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1214 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1217 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1218 -Weffc++ and specify guidelines come from second edition.
1220 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1222 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1223 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1224 (call_direct_split, call_value_split, call_value_internal_direct)
1225 (call_value_direct_split, call_value_multiple_split): Use jal and
1226 jal_macro attributes.
1228 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1230 * reload1.c (reload_regs_reach_end_p): Replace with...
1231 (reload_reg_rtx_reaches_end_p): ...this function.
1232 (new_spill_reg_store): Update commentary.
1233 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1234 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1235 before setting new_spill_reg_store.
1236 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1237 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1238 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1239 for non-spill reload registers.
1241 2012-02-05 Ira Rosen <irar@il.ibm.com>
1243 PR tree-optimization/52091
1244 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1245 (vect_is_simple_use_1): Likewise.
1246 * tree-vect-loop.c (vectorizable_reduction): Update calls
1247 to vect_is_simple_use_1 and vect_is_simple_use.
1248 (vectorizable_live_operation): Likewise.
1249 * tree-vect-patterns.c (widened_name_p,
1250 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1251 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1252 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1253 vectorizable_shift,vectorizable_operation, vectorizable_store,
1254 vectorizable_load): Likewise.
1255 (vect_is_simple_cond): Add an argument, pass it to
1256 vect_is_simple_use_1.
1257 (vectorizable_condition): Update calls to vect_is_simple_cond,
1259 (vect_is_simple_use): Add an argument, the statement in which
1260 OPERAND is used. Check that if OPERAND's def stmt is a double
1261 reduction phi node, the use is a phi node too.
1262 (vect_is_simple_use_1): Add an argument, pass it to
1264 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1265 to vect_is_simple_use.
1267 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1269 PR rtl-optimization/52095
1270 * modulo-sched.c (dump_insn_locator): New function.
1271 (loop_canon_p, sms_schedule): Use it.
1273 PR rtl-optimization/52113
1274 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1275 even for decomposable shift/zext insns.
1277 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1278 Zdenek Dvorak <ook@ucw.cz>
1280 PR rtl-optimization/52092
1281 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1282 on get_iv_value result.
1284 2012-02-02 Andrew Pinski <apinski@cavium.com>
1288 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1290 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1293 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1295 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1297 PR rtl-optimization/49800
1298 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1299 (sched_finish): Call regstat_free_n_sets_and_refs.
1301 2012-02-02 Jia Liu <proljc@gmail.com>
1303 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1306 2012-02-02 Jan Hubicka <jh@suse.cz>
1307 Tom de Vries <tom@codesourcery.com>
1310 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1311 * varpool.c (varpool_analyze_pending_decls): Likewise.
1313 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1314 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1316 * config.gcc: Add cr16-* support.
1318 * doc/extend.texi: Document cr16 extensions.
1319 * doc/install.texi: Document cr16 install.
1320 * doc/invoke.texi: Document cr16 options.
1321 * doc/md.texi: Document cr16 constraints.
1323 * common/config/cr16/cr16-common.c: New file.
1324 * config/cr16/cr16.c: New file.
1325 * config/cr16/cr16.h: New file.
1326 * config/cr16/cr16.md: New file.
1327 * config/cr16/cr16.opt: New file.
1328 * config/cr16/cr16-protos.h: New file.
1329 * config/cr16/predicates.md: New file.
1330 * config/cr16/constraints.md: New file.
1331 * config/cr16/t-cr16: New file.
1333 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1336 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1337 that operands[2] is either immediate, or q_regs_operand.
1339 PR tree-optimization/52073
1340 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1341 a pattern stmt for pattern uses, ignore uses outside of the loop.
1343 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1345 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1346 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1347 (OUT_AS1, OUT_AS2): Remove.
1349 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1351 PR rtl-optimization/51374
1352 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1353 to cross other volatile_refs_p insns.
1355 2012-02-01 Richard Guenther <rguenther@suse.de>
1357 * doc/invoke.texi (fno-inline): Clarify documentation.
1358 (finline-small-functions): Likewise.
1359 (finline-functions): Likewise.
1360 * common.opt (finline): Adjust comment and documentation.
1361 (finline-small-functions): Clarify documentation.
1362 (finline-functions): Likewise.
1363 (finline-functions-called-once): Likewise.
1365 2012-02-01 Tristan Gingold <gingold@adacore.com>
1367 * c-typeck.c (composite_type): Keep mode for pointers.
1369 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1371 * function.h (regno_reg_rtx): Adjust comment.
1372 * reginfo.c (init_reg_modes_target): Only use the previous mode
1373 if it fits within one register. Remove MIPS comment.
1375 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1378 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1380 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1382 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1383 to srak instruction.
1385 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1387 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1389 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1394 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1396 2012-01-31 Richard Guenther <rguenther@suse.de>
1398 PR tree-optimization/51528
1399 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1402 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1407 * ree.c (add_removable_extension): Change def_map argument
1408 to unsigned *, store in def_map 1 + offset into *insn_list vector
1409 instead of pointers into the vector.
1410 (find_removable_extensions): Adjust caller.
1412 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1414 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1415 Transform all "* quoted-c-code" to { c-code }.
1416 Remove redundant test for "optimize" in combine patterns.
1417 Move (include "avr-dimode.md") to end of file.
1419 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1422 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1423 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1425 2012-01-30 Richard Guenther <rguenther@suse.de>
1427 PR tree-optimization/52028
1428 * tree-loop-distribution.c (ldist_gen): Properly update
1431 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1434 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1435 set_cur_line_info_table if not emitting debug info.
1437 PR tree-optimization/52046
1438 * tree-vect-patterns.c (check_bool_pattern): Give up if
1439 a comparison could throw.
1442 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1444 2012-01-30 Richard Guenther <rguenther@suse.de>
1446 PR tree-optimization/52045
1447 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1448 SSA form if cfgcleanup did anything.
1450 2012-01-30 Richard Guenther <rguenther@suse.de>
1452 PR tree-optimization/52045
1453 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1454 before computing final todo.
1456 2012-01-30 Richard Guenther <rguenther@suse.de>
1458 PR tree-optimization/51528
1459 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1462 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1464 * df-problems.c (df_kill_notes): Check that the use refers
1465 to the note under examination.
1467 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1470 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1471 parameter and use short-lived pseudos.
1472 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1473 (sparc_expand_vector_init): Const-ify local variables and adjust
1474 calls to above functions.
1476 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1478 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1480 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1482 * doc/invoke.texi: Make usage of "compile time" and
1483 "run time"/"runtime" consistent throughout the file.
1485 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1487 * config/alpha/alpha.c (alpha_option_override): Default to
1488 full IEEE compliance mode for Go language.
1490 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1492 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1493 (LINK_SSP_SPEC): Define.
1495 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1498 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1501 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1503 * doc/invoke.texi: Correct hyphenation of "floating point",
1504 "double precision", and related terminology throughout the file.
1506 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1509 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1510 arm_general_register_operand predicate for operand 2 instead of
1513 2012-01-27 Ian Lance Taylor <iant@google.com>
1516 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1517 * builtins.c (expand_builtin_init_trampoline): Add onstack
1518 parameter. Change caller.
1519 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1520 * tree.c (build_common_builtin_nodes): Declare
1521 __builtin_init_heap_trampoline.
1523 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1525 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1526 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1527 * config/avr/avr.c: Ditto.
1528 (avr_regnames): Remove because unused.
1529 * config/avr/avr.md (*cpse.ne): New peephole.
1530 (*cpse.eq): New peephole from former cpse peepholes.
1532 2012-01-27 Michael Eager <eager@eagercon.com>
1534 * config/microblaze.c (microblaze_emit_compare): Correct
1535 test after pcmp instruction.
1537 2012-01-27 Richard Guenther <rguenther@suse.de>
1539 PR tree-optimization/52020
1540 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1542 2012-01-27 Richard Guenther <rguenther@suse.de>
1544 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1545 function non-const/pure.
1547 2012-01-27 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/50444
1550 * tree-sra.c (build_ref_for_offset): Properly adjust the
1551 MEM_REF type for unaligned accesses.
1553 2012-01-27 Richard Guenther <rguenther@suse.de>
1555 PR tree-optimization/50444
1556 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1557 (expand_assignment): Use it. Properly handle misaligned
1558 bases when expanding stores to component references.
1559 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1562 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1565 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1566 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1567 * tree-data-ref.c (find_data_references_in_loop): Make static.
1568 (compute_all_dependences): Change return type to bool. Bail out
1569 for too many datarefs in a loop. Move the hunk resetting the data
1570 dependences vector from ...
1571 (compute_data_dependences_for_loop): ... here. Account for
1572 compute_all_dependences returning false.
1573 (compute_data_dependences_for_bb): Likewise.
1574 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1575 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1577 2012-01-27 Richard Guenther <rguenther@suse.de>
1580 * expr.c (store_field): Use the alias-set of the scratch memory
1583 2012-01-27 Tom de Vries <tom@codesourcery.com>
1585 PR tree-optimization/51990
1586 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1588 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1590 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1593 * var-tracking.c (reverse_op): Don't add any reverse operation
1594 if V already has any constant locations.
1596 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1598 * doc/invoke.texi: Correct usage of "command line" (noun)
1599 vs "command-line" (adjective) throughout.
1601 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1603 * doc/invoke.texi (Language Independent Options): Move
1604 -Wcoverage-mismatch blurb from here....
1605 (Warning Options): ...to here.
1607 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1609 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1610 Set rs6000_always_hint to false for 476.
1612 2012-01-27 Matthias Klose <doko@ubuntu.com>
1614 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1616 * incpath.c (add_standard_paths): Likewise.
1618 2012-01-27 Richard Henderson <rth@redhat.com>
1620 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1621 * config/m68k/sync.md (atomic_test_and_set): Rename from
1622 sync_test_and_setqi and adjust the operands.
1623 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1624 and unconditionally enable.
1626 2012-01-27 Richard Henderson <rth@redhat.com>
1628 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1629 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1630 (ldstub): Rename from ldstubqi.
1631 (ldstub<I24MODE>): Remove.
1633 2012-01-27 Richard Henderson <rth@redhat.com>
1635 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1636 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1637 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1638 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1639 * doc/tm.texi: Rebuild.
1641 2012-01-27 Richard Henderson <rth@redhat.com>
1643 * optabs.c (gen_atomic_test_and_set): Remove default.
1644 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1646 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1648 PR rtl-optimization/51978
1649 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1650 (combine_reaching_defs): Likewise.
1651 (struct re_info): Remove.
1652 (add_removable_extension): Remove x and data arguments,
1653 add insn, insn_list and def_map. Use the arguments directly
1654 instead of using struct re_info.
1655 (find_removable_extensions): Don't call add_removable_extension
1656 through note_stores, instead just call it with single_set
1658 (find_and_remove_re): Pass curr_cand->expr instead of
1659 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1661 2012-01-26 Michael Matz <matz@suse.de>
1663 PR tree-optimization/46590
1664 * cfgexpand.c: Revert last change (r183305).
1665 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1667 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1668 checking for emptiness.
1670 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1673 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1674 non-addressable non-BLKmode base correctly.
1676 2012-01-26 Michael Matz <matz@suse.de>
1678 PR tree-optimization/48794
1679 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1680 regions referenced from RESX/EH_DISPATCH.
1682 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1684 * config/s390/s390.h: Make BRANCH_COST an option.
1685 * config/s390/s390.opt: New option -mbranch-cost.
1687 2012-01-26 Richard Henderson <rth@redhat.com>
1689 Revert 2012-01-24 change:
1690 * trans-mem.c (requires_barrier): Do not instrument thread local
1691 variables and emit save/restore for them.
1693 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1696 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1699 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1701 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1704 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1707 Rename __pgm to __flash.
1708 Rename __pgm1 to __flash1.
1709 Rename __pgm2 to __flash2.
1710 Rename __pgm3 to __flash3.
1711 Rename __pgm4 to __flash4.
1712 Rename __pgm5 to __flash5.
1713 Rename __pgmx to __memx.
1714 * doc/extend.texi (AVR Named Address Spaces)
1715 Rename address space names as indicated above.
1716 * config/avr/avr.c (avr_addrspace): Ditto.
1718 * config/avr/avr-protos.h
1719 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1720 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1721 * config/avr/predicates.md: Ditto.
1722 * config/avr/avr.c Ditto, and
1723 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1724 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1726 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1727 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1728 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1729 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1730 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1731 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1732 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1733 * config/avr/avr.c: Ditto.
1734 * config/avr/avr.md: Ditto.
1736 2012-01-25 Jason Merrill <jason@redhat.com>
1739 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1741 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1743 PR tree-optimization/51987
1744 * tree-data-ref.c (get_references_in_stmt): Handle references in
1745 non-volatile GIMPLE_ASM.
1747 2012-01-25 Richard Guenther <rguenther@suse.de>
1749 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1750 bases are dereferenced.
1752 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1754 PR rtl-optimization/48374
1755 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1757 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1759 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1760 compute_data_dependences_for_loop returns false.
1761 * tree-parloops.c (loop_parallel_p): Likewise.
1763 2012-01-25 Richard Guenther <rguenther@suse.de>
1765 * tree.h (get_pointer_alignment_1): Declare.
1766 * builtins.c (get_pointer_alignment_1): New function.
1767 (get_pointer_alignment): Use it.
1769 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1771 PR rtl-optimization/48308
1772 * combine.c (enum undo_kind): Add UNDO_LINKS.
1773 (struct undo): Add member l to other_contents and where.
1774 (do_SUBST_LINK): New.
1776 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1777 (undo_all): Handle UNDO_LINKS.
1779 2012-01-25 Richard Henderson <rth@redhat.com>
1781 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1784 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1786 * optabs.c (gen_atomic_test_and_set): Use each argument.
1788 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1790 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1791 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1792 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1793 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1794 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1795 TARGET_PAIRED_SINGLE_FLOAT.
1797 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1799 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1800 (in_struct, return_val): Remove MEM documentation.
1801 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1802 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1803 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1805 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1806 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1807 * expr.c (store_field): Likewise.
1808 * function.c (assign_stack_temp_for_type): Likewise.
1809 * ifcvt.c (noce_try_cmove_arith): Likewise.
1810 * reload1.c (reload): Likewise.
1811 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1812 (alpha_set_memflags): Likewise.
1813 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1815 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1817 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1819 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1820 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1821 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1823 * cselib.c (cselib_rtx_varies_p): Delete.
1824 (cselib_invalidate_mem): Update call to canon_true_dependence.
1825 * dse.c (record_store, check_mem_read_rtx): Likewise.
1826 (scan_reads_nospill): Likewise.
1827 * cse.c (check_dependence): Likewise.
1828 (cse_rtx_varies_p): Delete.
1829 * expr.c (safe_from_p): Update call to true_dependence.
1830 * ira.c (validate_equiv_mem_from_store): Likewise.
1831 (memref_referenced_p): Likewise.
1832 * postreload-gcse.c (find_mem_conflicts): Likewise.
1833 * sched-deps.c (sched_analyze_2): Likewise.
1834 * store-motion.c (load_kills_store): Likewise.
1835 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1836 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1837 (compute_transp): Update call to canon_true_dependence.
1839 2012-01-25 Richard Henderson <rth@redhat.com>
1841 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1842 (maybe_emit_atomic_test_and_set): New.
1843 (expand_sync_lock_test_and_set): Use it.
1844 (expand_atomic_test_and_set): Likewise.
1845 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1846 the implementation; clarify implementation defined details.
1847 * doc/md.texi (atomic_test_and_set): Document.
1849 2012-01-25 Richard Henderson <rth@redhat.com>
1851 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1853 2012-01-25 Richard Henderson <rth@redhat.com>
1856 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1857 to effect no-op split.
1859 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1862 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1863 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1864 (BT_FN_VOID_PTR_INT_SIZE): New.
1865 (BT_FN_UINT_UINT_VAR): Remove.
1866 (BT_FN_UINT32_UINT32_VAR): New.
1867 (BT_FN_DOUBLE_VPTR): Remove.
1868 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1870 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1871 (_ITM_changeTransactionMode): Same.
1872 (_ITM_memmoveRtWt): Change return type to void.
1873 (_ITM_memcpyRtWt): Same.
1874 (_ITM_memsetW): Same.
1875 (_ITM_RaRD): Change types to double.
1880 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1882 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1883 Patrick Marlier <patrick.marlier@gmail.com>
1885 * trans-mem.c (requires_barrier): Do not instrument thread local
1886 variables and emit save/restore for them.
1888 2012-01-24 Jason Merrill <jason@redhat.com>
1891 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1892 output static aliases.
1894 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1897 * common.opt (-pie, -shared, pie, shared): Change from Common to
1899 * gcc.c (display_help): Display help for -pie and -shared.
1901 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1904 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1905 Remove note on size/offset limitation.
1906 (AVR Variable Attributes): Add example how to read data located
1907 with progmem. Refer to named address spaces.
1908 * doc/invoke.texi (AVR Options): Fix typo.
1910 2012-01-24 Richard Guenther <rguenther@suse.de>
1912 Forward-port to trunk
1913 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1916 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1917 op0 isn't sufficiently aligned and there is movmisalignM
1918 insn for mode, use it to load op0 into a temporary register.
1920 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1923 * target.def (const_not_ok_for_debug_p): New hook.
1924 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1926 * doc/tm.texi: Regenerated.
1927 * dwarf2out.c (const_ok_for_output_1): If
1928 targetm.const_not_ok_for_debug_p returns true, fail.
1929 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1931 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1933 2012-01-23 Kai Tietz <ktietz@redhat.com>
1936 * config/i386/predicates.md (symbolic_operand): Allow
1937 UNSPEC_PCREL as PIC expression for lea.
1938 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1939 * config/i386/i386.c (ix86_delegitimize_address): Handle
1940 UNSPEC_PCREL for none-MEM, too.
1942 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1944 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1945 (ipa_tm_create_version_alias): Same.
1947 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1950 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1951 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1953 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1954 Patrick Marlier <patrick.marlier@gmail.com>
1955 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1958 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1959 simple_object_start_read.
1961 2012-01-23 Richard Guenther <rguenther@suse.de>
1964 PR tree-optimization/51895
1965 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1966 parameter decomposition into BLKmode components.
1968 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1970 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1971 fake variables for restrict-qualified pointers whose pointed-to type
1972 contains a placeholder.
1974 2012-01-23 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/51949
1977 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1979 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1981 PR rtl-optimization/51933
1982 * ree.c (transform_ifelse): Return true right away if dstreg is
1983 already wider or equal to cand->mode.
1984 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1985 (make_defs_and_copies_lists): Remove defs_list and copies_list
1986 arguments, add state argument, just truncate state->work_list
1987 instead of always allocating and freeing the vector. Assert that
1988 get_defs succeeds instead of returning 2. Changed return type to bool.
1989 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1990 have ext_src_mode, see if it has been modified already with the
1991 right kind of extension and has been extended before from the
1992 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1993 just return true. Remember the original mode in state->modified array.
1994 (combine_reaching_defs): Add state argument. Don't allocate and
1995 free here def_list, copied_list and vec vectors, instead just
1996 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1997 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1998 Add state variable, clear vectors in it, initialize state.modified
1999 if needed. Free all the vectors at the end and state.modified too.
2000 Don't skip a candidate if the extension expression has been modified.
2002 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2005 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2006 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2007 (extra_options) interix.opt -> i386/interix.opt"
2008 (extra_objs):Add winnt-stubs.o
2009 * configure.ac: Add interix to target_os .comm on PE check.
2010 * configure: Regenerate.
2011 * config/interix3.h: Delete and move bits to..
2012 * config/interix.h: Delete and move bits to..
2013 * config/i386/i386-interix3.h: Delete and move bits to..
2014 * config/i386/i386-interix.h: ..here.
2015 (TARGET_CPU_DEFAULT): Remove redefinition.
2016 (TARGET_ASM_CONSTRUCTOR): Undefine.
2017 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2018 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2019 (PTRDIFF_TYPE): Define.
2020 (LONG_DOUBLE_TYPE_SIZE): Define.
2021 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2022 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2023 (TARGET_SECTION_TYPE_FLAGS): Define.
2024 (ASM_DECLARE_FUNCTION_NAME): Define.
2025 (ASM_OUTPUT_EXTERNAL): Define.
2026 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2027 (ASM_OUTPUT_ALIGNED_BSS): Define.
2028 (PCC_BITFIELD_TYPE_MATTERS): Define.
2029 (USE_CONST_SECTION): Define.
2030 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2031 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2032 (SUPPORTS_ONE_ONLY): Remove.
2033 (I386_PE_STRIP_ENCODING): Define.
2034 * config/interix.opt: Delete and move bits to..
2035 * config/i386/interix.opt: ..here. New.
2036 (mpe-aligned-commons): Add.
2037 * config/i386/t-interix: Add copyright header.
2038 (winnt-stubs.o): Add rule.
2040 2012-01-22 Jason Merrill <jason@redhat.com>
2043 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2044 for extra name aliases.
2046 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2048 PR rtl-optimization/51924
2049 * ree.c (combine_set_extension): Improve debugging message.
2050 (combine_reaching_defs): Likewise.
2051 (get_defs): Rename confusingly named variable.
2052 (find_and_remove_re): Skip a candidate if the extension expression has
2055 2012-01-21 Robert Millan <rmh@gnu.org>
2056 Gerald Pfeifer <gerald@pfeifer.com>
2058 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2059 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2061 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2063 PR tree-optimization/51914
2064 * tree-vect-stmts.c (vectorizable_conversion): For
2065 cvt_type && modifier == WIDEN, put temporary with cvt_type
2066 at the beginning of vec_dsts and set vec_dest to temporary
2069 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2071 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2073 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2075 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2076 * config/rs6000/rs6000.c: Likewise.
2078 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2081 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2082 output_move_double on a copy of operands array.
2084 2012-01-20 Cary Coutant <ccoutant@google.com>
2085 Dodji Seketeli <dodji@redhat.com>
2088 * dwarf2out.c (copy_declaration_context): Return ref to parent
2089 of declaration DIE, if necessary.
2090 (remove_child_or_replace_with_skeleton): Add new parameter; update
2091 caller. Place skeleton DIE under parent DIE of original declaration.
2092 Move call to copy_declaration_context to here ...
2093 (break_out_comdat_types): ... from here.
2095 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2097 PR rtl-optimization/51856
2098 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2101 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2104 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2105 hints for neon loads and stores.
2107 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2111 * doc/extend.texi (Named Address Spaces): Split into subsections.
2112 (AVR Named Address Spaces): New subsection.
2113 (M32C Named Address Spaces): New subsection.
2114 (RL78 Named Address Spaces): New subsection.
2115 (SPU Named Address Spaces): New subsection.
2116 (Variable Attributes): New anchor "AVR Variable Attributes".
2117 (AVR Variable Attributes): Rewrite and avoid wording
2118 "address space" in this context.
2119 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2120 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2121 (AVR Built-in Macros): New subsubsection therein.
2122 * doc/md.texi (AVR constraints): Remove "C04", "R".
2124 2012-01-20 Richard Guenther <rguenther@suse.de>
2126 PR tree-optimization/51903
2127 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2128 when removing stmts.
2130 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2133 * config/arm/arm.c (arm_load_pic_register): Use
2134 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2135 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2136 (arm_pic_static_addr): Likewise.
2137 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2138 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2139 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2140 (pic_load_addr_unified): New.
2142 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2145 * function.c (instantiate_virtual_regs_in_insn): Use
2146 delete_insn_and_edges when removing a wrong asm insn.
2148 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2150 PR rtl-optimization/40761
2151 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2152 Add new member loop_num.
2153 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2154 (ira_build): Remove the parameter.
2156 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2157 (ira.c): Do not build CFG loops for one region allocation. Remove
2158 argument from ira_build call.
2160 * ira-build.c (init_loop_tree_node): New function.
2161 (create_loop_tree_nodes): Use it. Separate the case when CFG
2162 loops are not built.
2163 (more_one_region_p): Check current_loops.
2164 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2166 (add_loop_to_tree): Process loop equal to NULL too.
2167 (form_loop_tree): Separate the case when CFG loops are not built.
2168 Use explicitly number for the root.
2169 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2171 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2172 instead of loop->num.
2173 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2174 (mark_all_loops_for_removal): Ditto.
2175 (remove_unnecessary_regions): Separate the case when CFG loops
2177 (ira_build): Remove the parameter. Use explicit number of regions
2178 when CFG loops are not built.
2180 * ira-color.c (print_loop_title): Separate the case for the root node.
2181 Use loop_num instead of loop->num.
2182 (move_spill_restore): Use loop_num instead of loop->num.
2184 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2185 (change_loop): Ditto.
2186 (change_loop): Use loop_num instead of loop->num.
2188 * ira-lives.c (process_bb_node_lives): Ditto.
2190 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2192 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2194 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2197 * tree-mudflap.c (mf_artificial): New function.
2198 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2199 mx_register_decls, mudflap_enqueue_decl): Use it.
2202 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2203 numbers in the insn pattern.
2205 2012-01-19 Michael Matz <matz@suse.de>
2207 PR tree-optimization/46590
2208 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2209 use it in remembering which conflicts we already created.
2210 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2213 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2216 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2217 (merge_and_complain): Same.
2219 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2222 * config/initfini-array.h: Guard content of the header
2223 with #ifdef HAVE_INITFINI_ARRAY.
2224 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2225 Add initfini-array.h to tm_file here.
2226 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2227 * config.gcc: Don't add initfini-array.h to tm_file here.
2228 * configure: Regenerated.
2230 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2232 PR rtl-optimization/51505
2233 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2234 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2235 (df_note_bb_compute): Update the call to df_kill_notes.
2237 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2239 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2241 2012-01-18 Richard Guenther <rguenther@suse.de>
2243 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2244 of conversions to void *.
2246 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2247 Richard Sandiford <rdsandiford@googlemail.com>
2251 * optabs.h (simplify_expand_binop): Declare.
2252 * optabs.c (simplify_expand_binop): Make global.
2253 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2254 endian targets if the source cannot be exactly covered by word
2257 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2260 * hard-reg-set.h (struct hard_reg_set_container): New type.
2261 * target.h (struct hard_reg_set_container): Forward declare.
2262 * target.def (set_up_by_prologue): New target hook.
2263 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2264 * doc/tm.texi: Regenerated.
2265 * function.c (thread_prologue_and_epilogue_insns): Change
2266 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2267 Call targetm.set_up_by_prologue on it.
2268 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2269 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2271 2012-01-17 Nick Clifton <nickc@redhat.com>
2273 * config/rx/rx.c (rx_can_use_simple_return): New function.
2274 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2275 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2277 2012-01-17 Richard Guenther <rguenther@suse.de>
2280 * expr.c (expand_assignment): Take address-space information
2281 from the address operand of MEM_REF and TARGET_MEM_REF.
2282 (expand_expr_real_1): Likewise.
2284 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2286 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2287 reload dump is requested.
2289 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2292 * trans-mem.c (requires_barrier): Call may_be_aliased.
2294 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2296 PR tree-optimization/51877
2297 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2298 call arguments and fndecls compare equal, instead return false if they
2299 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2300 both SSA_NAMEs that are valueized the same, or they satisfy
2303 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2305 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2307 * configure: Regenerate.
2309 2012-01-16 Jan Hubicka <jh@suse.cz>
2313 * convert.c (convert_to_integer): Use fold_convert for
2314 converting an INTEGER_CST to integer type.
2316 2012-01-16 Jason Merrill <jason@redhat.com>
2319 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2321 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2324 * config/s390/s390.c (s390_chunkify_start): Don't skip
2325 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2326 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2327 If insn is followed by NOTE_INSN_VAR_LOCATION or
2328 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2329 Don't use location of note insns.
2331 PR tree-optimization/51865
2332 * tree-inline.c (tree_function_versioning): Call remap_decl
2333 on DECL_RESULT whenever it has VOID_TYPE_P type.
2335 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2337 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2338 for calls to locally-binding MIPS16 functions if only the return
2339 type uses float regs.
2341 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2342 Richard Sandiford <rdsandiford@googlemail.com>
2344 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2345 (SYMBOL_32_HIGH): Likewise.
2346 (mips_output_tls_reloc_directive): Declare.
2347 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2348 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2349 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2350 (mips_lo_relocs, mips_hi_relocs): Make extern.
2351 (mips16_stub_function): Move up file.
2352 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2353 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2354 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2355 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2356 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2357 (mips_get_tp): Add MIPS16 support.
2358 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2359 Generalize DTPREL and TPREL handling.
2360 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2361 Add MIPS16 TLS support.
2362 (mips_output_tls_reloc_directive): New function.
2363 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2364 * config/mips/predicates.md (symbolic_operand_with_high)
2365 (tls_reloc_operand): New predicates.
2366 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2367 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2368 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2369 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2370 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2371 (*tls_get_tp_mips16_call_<mode>): Likewise.
2373 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2375 PR rtl-optimization/51821
2376 * recog.c (peep2_find_free_register): Determine clobbered registers
2379 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2382 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2383 * config/avr/avr.c: Likewise.
2384 * config/avr/avr.h: Likewise.
2386 2012-01-13 Ian Lance Taylor <iant@google.com>
2389 * tree.h (TYPE_QUALS): Add cast to int.
2390 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2392 2012-01-13 Ian Lance Taylor <iant@google.com>
2394 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2395 comparing param_index to VEC_length result.
2397 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2399 * c-decl.c: Do not include tree-mudflap.h
2400 * tree-optimize.c: Likewise.
2401 * Makefile.in: Update dependencies.
2403 2012-01-13 Richard Guenther <rguenther@suse.de>
2406 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2407 variable-sized result always use RSO.
2409 2012-01-12 DJ Delorie <dj@redhat.com>
2411 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2412 pointer type, not just the default pointer type.
2414 2012-01-09 Richard Henderson <rth@redhat.com>
2415 Denis Chertykov <chertykov@gmail.com>
2418 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2419 * config/avr/avr.c (avr_can_eliminate): Simplify.
2420 (avr_initial_elimination_offset): Likewise.
2421 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2422 (expand_epilogue): Likewise.
2423 (avr_legitimize_address): Gut.
2424 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2425 (avr_hard_regno_nregs): New.
2426 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2427 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2428 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2429 add soft frame pointer.
2430 (CALL_USED_REGISTERS): Likewise.
2431 (REG_CLASS_CONTENTS): Likewise.
2432 (REGISTER_NAMES): Likewise.
2433 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2434 (HARD_FRAME_POINTER_REGNUM): New.
2435 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2436 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2437 remove the HARD_FRAME_POINTER self-elimination.
2439 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2442 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2443 DECL_EXTERNAL when checking for initializers of progmem variables.
2445 2012-01-12 Ira Rosen <irar@il.ibm.com>
2447 PR tree-optimization/51799
2448 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2449 that the last operation is a type demotion.
2451 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2453 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2454 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2456 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2459 * combine.c (distribute_notes): If i3 is a noreturn call,
2460 allow old_size to be equal to args_size and make sure the
2461 noreturn call gets REG_ARGS_SIZE note.
2462 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2463 on noreturn calls even when the delta is 0.
2465 2012-01-11 Nathan Sidwell <nathan@acm.org>
2467 * gcov.c (STRING_SIZE): Remove.
2468 (generate_results): Erase annotations for source files with no
2469 coverage information.
2471 (output_lines): Use it.
2473 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2475 * gimple.h (gimplify_body): Remove first argument.
2476 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2477 pointer set here, instead just pass DATA to walk_tree.
2478 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2479 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2480 (unvisit_body): Likewise, but with unmark_visited.
2481 (gimplify_body): Remove BODY_P argument and adjust.
2482 (gimplify_function_tree): Adjust call to gimplify_body.
2483 * omp-low.c (finalize_task_copyfn): Likewise.
2485 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2487 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2488 (build_function_type_skip_args): Delete.
2489 * tree.c (build_function_type_skip_args): Make static and add
2490 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2491 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2492 pass it to build_function_type_skip_args.
2493 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2494 (tree_function_versioning): Likewise.
2495 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2496 build_function_decl_skip_args.
2497 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2498 and pass it to build_function_decl_skip_args/tree_function_versioning.
2499 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2500 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2501 * trans-mem.c (ipa_tm_create_version): Likewise.
2502 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2503 * tree-inline.c (declare_return_variable): Remove always-true test.
2504 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2505 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2506 * ipa-split.c (split_function): Skip the return value for the split
2507 part if it doesn't return.
2509 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2511 PR tree-optimization/49642
2512 * ipa-split.c (forbidden_dominators): New variable.
2513 (check_forbidden_calls): New function.
2514 (dominated_by_forbidden): Likewise.
2515 (consider_split): Check for forbidden dominators.
2516 (execute_split_functions): Initialize and free forbidden
2517 dominators info; call check_forbidden_calls.
2519 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2521 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2523 2012-01-11 Nick Clifton <nickc@redhat.com>
2525 * config/rx/rx.md (return): Define pattern.
2527 2012-01-11 Richard Guenther <rguenther@suse.de>
2529 * doc/extend.texi (malloc attribute): Adjust according to
2532 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2533 Patrick Marlier <patrick.marlier@gmail.com>
2536 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2537 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2538 (ipa_tm_note_irrevocable): Same.
2539 (ipa_tm_scan_irr_block): Same.
2540 (ipa_tm_decrement_clone_counts): Same.
2541 (ipa_tm_scan_irr_function): Same.
2542 (ipa_tm_create_version_alias): Same.
2543 (ipa_tm_create_version): Same.
2544 (ipa_tm_transform_calls_redirect): Same.
2545 (ipa_tm_transform_calls): Same.
2546 (ipa_tm_transform_transaction): Same.
2547 (ipa_tm_execute): Same.
2549 2012-01-10 Richard Guenther <rguenther@suse.de>
2552 * opts.c (common_handle_option): Handle -Werror.
2554 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2556 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2559 2012-01-10 Jason Merrill <jason@redhat.com>
2561 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2564 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2566 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2567 supports R_386_TLS_GD_PLT reloc.
2568 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2569 supports R_386_TLS_LDM_PLT reloc.
2570 * configure: Regenerate.
2571 * config.in: Regenerate.
2573 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2576 Extend __pgmx semantics to linearize memory.
2577 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2578 determine if code comes inline or from libgcc.
2579 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2580 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2581 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2582 (movmemx_qi, movmemx_hi): New insns.
2583 (xload_<mode>_libgcc): Rewrite to new insn condition.
2584 (xload_<mode>): Remove insns.
2585 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2586 cases that don't satisfy avr_xload_libgcc_p().
2587 (avr_addr_space_convert): Allow converting in any direction.
2588 (avr_addr_space_subset_p): Return always true.
2589 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2590 (avr_emit_movmemhi): Ditto.
2591 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2592 (avr_out_movmem): Ditto.
2593 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2594 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2595 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2596 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2597 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2599 2012-01-10 Richard Guenther <rguenther@suse.de>
2601 PR tree-optimization/50913
2602 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2603 Require data-refs to be representable by Graphite with respect
2606 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2608 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2609 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2611 2012-01-10 Tom de Vries <tom@codesourcery.com>
2613 PR rtl-optimization/51271
2614 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2615 handling annulled branch.
2617 2012-01-10 Richard Henderson <rth@redhat.com>
2619 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2620 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2621 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2622 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2623 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2624 arm_expand_vec_perm_const): New.
2625 * config/arm/arm-protos.h: Update.
2626 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2627 (*neon_vswp<VDQX>): New.
2628 (neon_vcombine<VDX>): Use neon_split_vcombine.
2629 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2630 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2631 (vec_perm<VE>): New.
2633 2012-01-10 Richard Henderson <rth@redhat.com>
2635 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2636 use it if reload_completed.
2637 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2638 arm_output_asm_insn, arm_process_output_memory_barrier,
2639 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2640 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2641 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2642 arm_process_output_sync_insn, arm_output_sync_insn,
2643 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2644 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2645 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2646 (emit_unlikely_jump): New.
2647 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2648 (arm_split_atomic_op): New.
2649 * config/arm/arm-protos.h: Update.
2650 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2651 (struct arm_sync_generator): Remove.
2652 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2653 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2654 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2655 (VUNSPEC_LL, VUNSPEC_SC): New.
2656 (sync_result, sync_memory, sync_required_value, sync_new_value,
2657 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2658 (attr length): Don't use arm_sync_loop_insns.
2659 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2660 (movsfcc, movdfcc): Likewise.
2661 * config/arm/constraints.md (Ua): New.
2662 * config/arm/prediates.md (mem_noofs_operand): New.
2663 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2664 (sync_clobber, sync_t2_reqd): Remove.
2665 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2666 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2667 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2668 (arm_sync_compare_and_swap<SIDI>): Remove.
2669 (arm_sync_compare_and_swap<NARROW>): Remove.
2670 (arm_sync_lock_test_and_set<SIDI>): Remove.
2671 (arm_sync_lock_test_and_set<NARROW>): Remove.
2672 (arm_sync_new_<syncop><SIDI>): Remove.
2673 (arm_sync_new_<syncop><NARROW>): Remove.
2674 (arm_sync_new_nand<SIDI>): Remove.
2675 (arm_sync_new_nand<NARROW>): Remove.
2676 (arm_sync_old_<syncop><SIDI>): Remove.
2677 (arm_sync_old_<syncop><NARROW>): Remove.
2678 (arm_sync_old_nand<SIDI>): Remove.
2679 (arm_sync_old_nand<NARROW>): Remove.
2680 (*memory_barrier): Merge arm_output_memory_barrier.
2681 (atomic_compare_and_swap<QHSD>): New.
2682 (atomic_compare_and_swap<NARROW>_1): New.
2683 (atomic_compare_and_swap<SIDI>_1): New.
2684 (atomic_exchange<QHSD>): New.
2685 (cas_cmp_operand, cas_cmp_str): New.
2686 (atomic_op_operand, atomic_op_str): New.
2687 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2688 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2689 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2690 (arm_load_exclusive<NARROW>): New.
2691 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2692 (arm_store_exclusive<QHSD>): New.
2694 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2696 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2697 reload patterns if -mvsx-scalar-memory.
2699 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2700 generated, even -mno-vsx-scalar-double was used.
2701 (vsx_xscvdpsp_scalar): Likewise.
2702 (vsx_xscvspdp_scalar2): Likewise.
2704 2012-01-09 Tom de Vries <tom@codesourcery.com>
2705 Andrew Pinski <apinski@cavium.com>
2708 * reorg.c (fill_slots_from_thread): Don't speculate
2709 frame-related insns.
2711 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2713 * sched-int.h (bb_note): Move to...
2714 * basic-block.h: ...here.
2715 * haifa-sched.c (bb_note): Move to...
2716 * cfgrtl.c: ...here.
2717 * function.c (next_block_for_reg): New function.
2718 (move_insn_for_shrink_wrap): Likewise.
2719 (prepare_shrink_wrap): Rewrite to use the above.
2721 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2723 * gimple.c (is_gimple_non_addressable): Remove.
2724 * gimple.h: Remove is_gimple_non_addressable.
2725 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2726 is_gimple_non_addressable.
2727 * trans-mem.c (expand_assign_tm): Same.
2729 2012-01-09 Richard Guenther <rguenther@suse.de>
2731 PR tree-optimization/51775
2732 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2733 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2735 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2737 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2739 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2741 2012-01-09 Richard Guenther <rguenther@suse.de>
2743 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2745 2012-01-08 Jan Hubicka <jh@suse.cz>
2747 PR tree-optimize/51680
2748 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2749 on when known_vals needs to be computed; cleanup.
2751 2012-01-08 Jan Hubicka <jh@suse.cz>
2753 PR tree-optimize/51694
2754 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2756 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2758 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2759 for -std=c++98 and -std=c++11 too.
2761 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2763 * cfgloop.c (cancel_loop): Add free() of bbs array.
2765 2012-01-07 Jan Hubicka <jh@suse.cz>
2767 PR tree-optimization/51600
2768 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2769 that benefits small functions.
2771 2012-01-07 Jan Hubicka <jh@suse.cz>
2773 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2775 2012-01-07 Jan Hubicka <jh@suse.cz>
2777 PR tree-optimization/51680
2778 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2779 whose inlining reduce unit size.
2781 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2784 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2785 Add canonical node to containing_mem chain after the non-canonical
2786 one, even if there weren't any locs to propagate.
2787 (remove_useless_values): Keep only canonical values.
2788 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2789 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2790 canonicalize mem_chain elements that are not discarded.
2792 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2795 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2796 before emitting functions.
2798 PR gcov-profile/50127
2799 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2800 clear_aux_for_blocks.
2802 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2805 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2807 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2809 * c-decl.c (ext_block): Moved up.
2810 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2812 2012-01-06 Han Shen <shenhan@google.com>
2814 Translate built-in include paths for sysroot.
2815 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2816 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2818 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2819 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2821 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2822 control whether sysroot should be prepended to gxx include dir.
2824 * configure: Regenerate.
2826 2012-01-06 Torvald Riegel <triegel@redhat.com>
2828 PR rtl-optimization/51771
2829 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2830 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2832 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2834 PR tree-optimization/51315
2835 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2836 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2838 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2841 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2842 for shrp pattern. Correctly handle and fixup shift variable.
2843 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2845 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2848 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2849 note when !ACCUMULATE_OUTGOING_ARGS.
2851 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2853 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2855 (extract_range_from_unary_expr_1): Avoid useless computations.
2857 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2859 PR rtl-optimization/51767
2860 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2861 of jump_block and add an extra edge for degenerated asm gotos.
2864 * stmt.c (check_unique_operand_names): Don't ICE during error
2865 reporting if i is from labels chain.
2868 * profile.c (branch_prob): Split bbs that have exit edge
2869 and need a fake entry edge too.
2871 2012-01-05 Jan Hubicka <jh@suse.cz>
2874 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2877 2012-01-05 Richard Guenther <rguenther@suse.de>
2880 * tree-streamer-out.c (write_ts_optimization): New function.
2881 (streamer_write_tree_body): Call it.
2882 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2883 (streamer_read_tree_body): Call it.
2884 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2886 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2889 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2890 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2891 in_cleanup_point_expr before gimplify_stmt call and restore it
2893 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2894 in_cleanup_point_expr is false.
2896 2012-01-05 Richard Guenther <rguenther@suse.de>
2899 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2901 * toplev.c (process_options): Reject combining mudflap and LTO.
2902 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2904 2012-01-05 Richard Guenther <rguenther@suse.de>
2906 PR tree-optimization/51760
2907 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2909 (bit_value_unop): Handle UNDEFINED operands.
2910 (bit_value_binop): Likewise.
2912 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2914 * config/avr/avr.c (avr_replace_prefix): Remove.
2915 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2916 (avr_asm_function_rodata_section): Ditto.
2917 (avr_asm_select_section): Ditto.
2919 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2921 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2924 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2927 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2928 calls that have any non-fake successor edges.
2931 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2933 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2935 PR tree-optimization/51624
2936 * tree-sra.c (build_ref_for_model): When replicating a chain of
2937 COMPONENT_REFs, stop as soon as the offset would become negative.
2939 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2942 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2943 in .debug_loc on the floor.
2945 2012-01-04 Andrew Pinski <apinski@cavium.com>
2947 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2949 2012-01-04 Andrew Pinski <apinski@cavium.com>
2950 Adam Nemet <anemet@caviumnetworks.com>
2952 * config/mips/mips.md (size): Add SI and DI.
2953 (SIZE): New mode attribute.
2954 (U): New code attribute.
2955 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2956 (mips_lbux_<mode>): Delete.
2957 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2958 (mips_lhx): Use gen_mips_lhx_extsi.
2959 (mips_lhx_<mode>): Delete.
2961 (mips_l<size>x): New expand.
2962 (mips_lwx_<mode>): Delete.
2963 (mips_l<GPR:size>x_<P:mode>): New pattern.
2964 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2965 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2966 * config/mips/mips.c (mips_lx_address_p): New function.
2967 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2968 (dsp64): New availability predicate.
2969 (mips_builtins): Add an entry for __builtin_mips_ldx.
2970 * config/mips/mips.h (ISA_HAS_LBX): New define.
2971 (ISA_HAS_LBUX): Likewise.
2972 (ISA_HAS_LHX): Likewise.
2973 (ISA_HAS_LHUX): Likewise.
2974 (ISA_HAS_LWX): Likewise.
2975 (ISA_HAS_LWUX): Likewise.
2976 (ISA_HAS_LDX): Likewise.
2977 * doc/extend.texi (__builtin_mips_ldx): Document.
2979 2012-01-04 Tristan Gingold <gingold@adacore.com>
2981 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2982 when long pointers are used.
2983 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2984 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2985 (ia64-hp-*vms*): Remove.
2986 * config/vms/xm-vms64.h: Delete.
2988 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2991 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2993 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2995 * opts.c (finish_options): Remove duplicate sorry.
2997 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3000 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3003 2012-01-04 Richard Guenther <rguenther@suse.de>
3006 * tree.c (size_low_cst): New function.
3007 * tree.h (size_low_cst): Declare.
3008 * fold-const.c (fold_comparison): Use it to extract the low
3009 part of the POINTER_PLUS_EXPR offset.
3011 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3013 Fix clearing ZERO_REG
3014 * config/avr/avr.md (cc): Add alternative "ldi".
3015 (movqi_insn): Use it in cc attribute.
3016 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3017 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3018 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3020 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3022 * configure: Regenerate.
3024 2012-01-04 Richard Guenther <rguenther@suse.de>
3026 PR tree-optimization/49651
3027 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3028 (var_can_have_subvars): Use it.
3029 (get_constraint_for_1): Only consider subfields if there can be any.
3031 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3034 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3035 to its new canonical_cselib_val and the cselib_val was in
3036 first_containing_mem chain, but the canonical_cselib_val was not,
3037 add the latter into the chain.
3038 (cselib_invalidate_mem): Compare canonical_cselib_val of
3039 addr_list chain elt with v.
3042 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3043 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3045 (output_macinfo_op): Don't ggc_strdup fd->filename.
3046 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3047 then ggc_strdup it. Don't free inc->info or cur->info.
3048 (output_macinfo): Don't free ref->info or file->info.
3050 2012-01-03 Ira Rosen <irar@il.ibm.com>
3052 PR tree-optimization/51269
3053 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3054 first_niters a pointer.
3055 (slpeel_tree_peel_loop_to_edge): Likewise.
3056 (vect_do_peeling_for_loop_bound): Update call to
3057 slpeel_tree_peel_loop_to_edge.
3058 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3059 here. Remove it from the parameters list.
3060 (vect_do_peeling_for_alignment): Update calls and compute
3063 2012-01-03 Richard Guenther <rguenther@suse.de>
3065 PR tree-optimization/51070
3066 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3067 Properly handle calls.
3069 2012-01-03 Richard Guenther <rguenther@suse.de>
3071 PR tree-optimization/51692
3072 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3073 the LHS of allocation stmts.
3075 2012-01-03 Olivier Hainque <hainque@adacore.com>
3077 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3079 2012-01-03 Olivier Hainque <hainque@adacore.com>
3081 * collect2.c (main): In AIX specific computations for vector
3082 insertions, use CONST_CAST2 to cast from char ** to const char **.
3084 2012-01-03 Richard Guenther <rguenther@suse.de>
3087 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3088 the context of a limbo DIE when it does not already exist.
3090 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3092 PR tree-optimization/51719
3093 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3094 but direct call is, clear direct call's lhs and don't add fallthrough
3095 edge from dcall_bb to join_bb and PHIs.
3097 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3099 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3100 the instructions emitted by the pattern.
3101 ("*TDC_insn_<mode>"): Add comment.
3103 2012-01-03 Richard Guenther <rguenther@suse.de>
3106 * fold-const.c (fold_comparison): Properly canonicalize
3107 tree offset and HOST_WIDE_INT bit position.
3109 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3111 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3112 operands for extzv pattern.
3114 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3117 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3120 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3122 * doc/invoke.texi (-flto and related options): Copy-edit.
3124 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3126 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3128 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3130 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3133 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3135 * expr.h (move_by_pieces_ninsns): Declare.
3136 * expr.c (move_by_pieces_ninsns): Make external.
3137 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3138 (mips_store_by_pieces_p): Likewise.
3139 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3140 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3141 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3142 (mips_store_by_pieces_p): Likewise.
3144 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3146 * passes.c (register_one_dump_file): Free full_name.
3148 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3149 (calculate_elim_costs_all_insns): Free offsets_at and
3150 offsets_known_at at the end and clear the pointers.
3152 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3154 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3155 this option introduced in r180739.
3157 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3160 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3161 (tmake_file target=avr): Add avr/t-multilib.
3163 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3164 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3165 * config/avr/genmultilib.awk: New file.
3166 * config/avr/t-multilib: New auto-generated file.
3167 * config/avr/multilib.h: New auto-generated file.
3168 * config/avr/t-avr (AVR_MCUS): New variable.
3169 (genopt.sh): Use it.
3170 (s-mlib): Depend on t-multilib.
3171 (t-multilib, multilib.h): New dependencies.
3172 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3173 (MULTILIB_OPTIONS): Remove.
3174 (MULTILIB_MATCHES): Remove.
3175 (MULTILIB_DIRNAMES): Remove.
3176 (MULTILIB_EXCEPTIONS): Remove:
3177 * config/avr/genopt.sh: Don't use hard coded file name;
3178 pass AVR_MCUS from t-avr instead.
3180 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3182 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3184 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3186 Implement light-weight DImode support.
3187 * config/avr/avr-dimode.md: New file.
3188 * config/avr/avr.md: Include it.
3189 (adjust_len): Add plus64, compare64.
3190 (HIDI): Remove code iterator.
3191 (code_stdname): New code attribute.
3192 (rotx, rotsmode): Remove DI.
3193 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3195 * config/avr/avr-protos.h (avr_have_dimode): New.
3196 (avr_out_plus64, avr_out_compare64): New.
3197 * config/avr/avr.c (avr_out_compare): Handle DImode.
3198 (avr_have_dimode): New variable definition and initialization.
3199 (avr_out_compare64, avr_out_plus64): New functions.
3200 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3201 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3202 (avr_compare_pattern): Skip DImode comparisons.
3204 2012-01-02 Revital Eres <revital.eres@linaro.org>
3206 * ddg.c (def_has_ccmode_p): New function.
3207 (add_cross_iteration_register_deps,
3208 create_ddg_dep_from_intra_loop_link): Call it.
3210 2012-01-02 Richard Guenther <rguenther@suse.de>
3213 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3215 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3217 * gcc.c (process_command): Update copyright notice dates.
3218 * gcov.c (print_version): Likewise.
3219 * gcov-dump.c (print_version): Likewise.
3220 * mips-tfile.c (main): Likewise.
3221 * mips-tdump.c (main): Likewise.
3223 2012-01-01 Ira Rosen <irar@il.ibm.com>
3225 PR tree-optimization/51704
3226 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3227 a use is inside the basic block or loop before accessing its vect info.
3229 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3231 PR rtl-optimization/51069
3232 * cfgloopmanip.c (remove_path): Removing path making irreducible
3233 region unconditional makes BB part of the region.
3235 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3237 PR tree-optimization/51683
3238 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3239 calls with side-effects.
3240 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3242 Copyright (C) 2012 Free Software Foundation, Inc.
3244 Copying and distribution of this file, with or without modification,
3245 are permitted in any medium without royalty provided the copyright
3246 notice and this notice are preserved.