1 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
4 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
5 the device does not have the skip-bug.
7 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
9 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
10 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
11 -mpretend-cmove): New.
13 2012-02-29 Jakub Jelinek <jakub@redhat.com>
16 * df.h (struct df_d): Adjust comment that hard_regs_live_count
17 doesn't count DEBUG_INSN refs.
18 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
21 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
25 2012-02-20 Richard Guenther <rguenther@suse.de>
26 PR tree-optimization/52298
27 * tree-vect-stmts.c (vectorizable_load): Properly use
28 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
31 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
34 * gimple.h (gimple_in_transaction): New.
35 (gimple_set_in_transaction): New.
36 (struct gimple_statement_base): Add in_transaction field.
37 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
39 (tree_ssa_lim_initialize): Compute transaction bits.
40 * tree.h (compute_transaction_bits): Protoize.
41 * trans-mem.c (tm_region_init): Use the heap to store BB
43 (compute_transaction_bits): New.
45 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
47 * gcc.c (display_help): Document --help=common and sort entries
50 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
52 * doc/install.texi: Document check-$LANG specific shortcuts
54 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
57 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
59 * config/arm/arm_neon.h: Regenerate.
60 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
61 (neon_vcgeu): New insn.
62 (neon_vcgtu): Likewise.
63 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
64 (ops): Unsigned comparison intrinsics call a different
67 2012-02-28 Richard Guenther <rguenther@suse.de>
70 * config/i386/i386.c (ix86_expand_vector_set): Fix element
71 ordering for the VEC_CONCAT for two element vectors for
72 V2SFmode, V2SImode and V2DImode.
74 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
77 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
78 detecting big-endian triplets.
80 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
82 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
83 mode if there is no type information available.
85 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
87 PR tree-optimization/53207
88 * doc/invoke.texi: Document as experimental and relying on graphite.
90 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
92 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
93 of initializer to changes from r184614.
95 2012-02-28 Richard Guenther <rguenther@suse.de>
97 PR tree-optimization/52395
98 * tree-sra.c (build_ref_for_offset): Also look at the base
99 TYPE_ALIGN when figuring out the alignment of the replacement.
101 2012-02-28 Richard Guenther <rguenther@suse.de>
103 PR tree-optimization/52402
104 * ipa-prop.c (ipa_modify_call_arguments): Properly use
105 mis-aligned types when creating the accesses at the call site.
107 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
109 * config/avr/builtins.def: New file.
110 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
111 * config/avr/avr.c (enum avr_builtin_id): Use it.
112 (avr_init_builtins): Use it. And use avr_bdesc.
113 (bdesc_1arg): Remove.
114 (bdesc_2arg): Remove.
115 (bdesc_3arg): Remove.
116 (struct avr_builtin_description): Add field n_args.
117 (avr_bdesc): New static variable using builtins.def.
118 (avr_expand_builtin): Use it.
119 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
120 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
121 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
123 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
126 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
127 match only one single hard register with respective hard reg rtx.
128 (movmemx_<mode>): Ditto.
129 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
130 insn anatomy of movmem[x]_<mode>.
131 (avr_out_movmem): Same for printing assembler and operand usage.
133 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
137 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
138 address spaces located outside of device flash.
140 * config/avr/avr.h (base_arch_s): Remove field n_segments.
141 (mcu_type_s): Add field n_flash.
142 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
143 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
144 (AVR_MCU): Add N_FLASH argument.
145 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
146 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
147 macro __FLASH<n> if that address space makes sense for the device.
148 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
149 outside of target flash.
150 (avr_asm_named_section): Ditto.
151 (avr_asm_select_section): Ditto.
152 (avr_addr_space_convert): Ditto.
153 (avr_emit_movmemhi): Ditto.
154 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
155 address space is outside of device flash.
156 (avr_insert_attributes): Ditto.
157 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
158 avr_current_arch->n_segments.
160 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
163 * config/i386/i386.md (*movabs<mode>_1): Enable only for
165 (*movabs<mode>_2): Likewise.
167 2012-02-27 Jakub Jelinek <jakub@redhat.com>
170 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
171 s_register_operand in the test instead of REG_P. Don't call
172 gen_reg_rtx if it won't be used.
174 PR tree-optimization/52376
175 * ipa-split.c (split_function): Ignore CLOBBER stmts.
177 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
179 * ifcvt.c (noce_get_condition): Check condition variable is not
180 small_register_classes_for_mode_p before accepting.
182 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
184 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
186 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
189 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
190 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
192 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
194 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
196 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
198 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
200 * config/sh/predicates.md: Remove blank lines.
201 * config/sh/sh.c: Fix typos in comments.
202 * config/sh/constraints.md: Likewise.
203 * config/sh/sh.md: Remove blank lines.
204 Fix typos in comments. Use ;; as comment characters.
206 2012-02-26 Walter Lee <walt@tilera.com>
208 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
209 (replace_mov_pcrel_step2): Ditto.
211 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
214 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
215 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
216 and locs that reference values newer than the non-canonical value
217 at hand. Return the canonical value as a worst case.
218 (memrefs_conflict_p): Walk canonical value's locs.
221 * cselib.c (preserve_only_constants): Rename to...
222 (preserve_constants_and_equivs): ... this. Split out...
223 (invariant_or_equiv_p): ... this. Preserve plus expressions
224 of other preserved expressions too.
225 (cselib_reset_table): Adjust.
226 * var-tracking.c (reverse_op): Use canonical value to build
229 2012-02-23 Kai Tietz <ktietz@redhat.com>
231 * config/i386/i386.c (ix86_delegitimize_address): Handle
232 UNSPEC_PCREL plus displacement.
234 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
237 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
238 to test for unusedness in st X addressing.
240 2012-02-24 Richard Guenther <rguenther@suse.de>
243 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
244 (is_gimple_reg_type): Move inline ...
245 * gimple.h (is_gimple_reg_type): ... here.
247 2012-02-24 Richard Guenther <rguenther@suse.de>
250 * passes.c (execute_function_todo): When verifying SSA form
251 verify gimple form first.
252 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
254 2012-02-24 Richard Guenther <rguenther@suse.de>
257 * fold-const.c (fold_addr_of_array_ref_difference): New function.
258 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
260 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
262 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
264 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
266 * tree-phinodes.c (make_phi_node): Mark static.
267 * tree-flow.h (make_phi_node): Remove extern decl.
268 * doc/gimple.texi (make_phi_node): Remove documentation.
270 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
272 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
273 * tree-ssa-sccvn.c (print_scc): Ditto.
275 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
277 * doc/passes.texi (Full redundancy elimination): Fix typo.
279 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
281 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
283 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
286 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
288 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
291 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
293 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
295 * config/avr/avr.md (code_stdname): Add ior, xor.
296 (xior): New code iterator.
297 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
298 (*<code_stdname><mode>qi.byte1-3): Ditto.
300 2012-02-23 Jakub Jelinek <jakub@redhat.com>
302 PR tree-optimization/52019
303 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
306 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
308 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
309 HAVE_INITFINI_ARRAY to work around namespace pollution in
310 certain versions of newlib system headers.
311 * config.in: Regenerate.
312 * configure: Regenerate.
313 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
314 instead of HAVE_INITFINI_ARRAY.
316 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
319 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
320 is not offsettable memory reference.
322 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
325 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
326 setting avr_need_clear_bss_p for __gnu_lto* symbols.
328 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
330 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
331 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
333 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
335 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
336 library on Solaris 8 even without TLS support.
337 * configure: Regenerate.
339 2012-02-22 Richard Guenther <rguenther@suse.de>
342 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
343 for GIMPLE_DEBUG stmts.
345 2012-02-22 Martin Jambor <mjambor@suse.cz>
348 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
349 according to the base object.
351 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
353 PR rtl-optimization/50063
354 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
355 and 2 (8-bit SP) in operand 2.
356 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
357 setup to use movhi_sp_r instead of vanilla move to write SP.
358 Adjust REG_CFA notes to superseed unspec.
359 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
361 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
362 known to be off) only with TARGET_NO_INTERRUPTS. Never use
363 irq_state 1 (IRQ known to be on) here.
365 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
367 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
369 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
370 assign_hard_reg): Likewise.
372 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
374 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
376 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
379 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
380 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
382 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
384 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
385 prototype from here to...
386 * config/avr/avr.h: ...here.
388 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
391 * thumb2.md (thumb2_shiftsi3_short): Split register and
392 immediate shifts. For register shifts tie operands 0 and 1.
393 (peephole2 for above): Check that register-controlled shifts
394 have suitably tied operands.
396 2012-02-21 Quentin Neill <quentin.neill@amd.com>
399 * config/i386/bdver1.md (bdver1_call, bdver1_push,
400 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
401 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
402 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
403 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
404 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
405 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
406 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
407 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
408 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
409 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
410 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
411 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
412 bdver1_ssevector_avx256_unaligned_load,
413 bdver1_ssevector_sse128_unaligned_load,
414 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
415 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
416 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
417 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
418 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
419 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
420 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
421 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
422 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
423 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
424 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
425 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
426 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
427 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
428 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
429 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
430 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
431 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
432 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
433 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
434 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
435 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
436 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
437 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
438 bdver1_ssediv_double_load, bdver1_ssediv_double,
439 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
440 Add "bdver2" attribute.
442 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
444 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
445 default if possible and not specified otherwise.
447 2012-02-21 Richard Guenther <rguenther@suse.de>
450 * gimplify.c (create_tmp_from_val): Use the main variant type
451 for the type of the temporary we create.
453 2012-02-21 Richard Guenther <rguenther@suse.de>
455 PR tree-optimization/52324
456 * gimplify.c (gimplify_expr): When re-gimplifying expressions
457 do not gimplify a MEM_REF address operand if it is already
460 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
462 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
463 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
465 2012-02-21 Richard Guenther <rguenther@suse.de>
467 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
470 2012-02-21 Jakub Jelinek <jakub@redhat.com>
472 PR tree-optimization/52318
473 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
474 vdef also to non-pure/const call stmts in the sequence.
476 2012-02-20 David S. Miller <davem@davemloft.net>
478 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
479 don't use the "rd %pc" instruction on v9 for PIC register loads.
481 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
484 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
485 in a transaction safe function.
487 2012-02-20 Kai Tietz <ktietz@redhat.com>
490 * stor-layout.c (place_field): Handle desired_align for
493 2012-02-20 Richard Guenther <rguenther@suse.de>
495 PR tree-optimization/52298
496 * tree-vect-stmts.c (vectorizable_store): Properly use
497 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
499 (vectorizable_load): Likewise.
500 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
501 Access DR_STEP after ensuring it is not NULL.
503 2012-02-20 Jakub Jelinek <jakub@redhat.com>
505 PR tree-optimization/52286
506 * fold-const.c (fold_binary_loc): For (X & C1) | C2
507 optimization use double_int_to_tree instead of build_int_cst_wide,
508 rewrite to use double_int vars.
510 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
513 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
515 Remove -e 0 from $gcc_cv_ld invocation.
516 Only use __GLIBC_PREREQ if defined.
517 Enable on Solaris since Solaris 8 patch.
518 (gcc_SUN_LD_VERSION): New macro.
519 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
520 gcc_SUN_LD_VERSION for version number format.
521 * configure: Regenerate.
522 * varasm.c (get_elf_initfini_array_priority_section): Set
523 SECTION_NOTYPE for non-default priority.
524 Use get_section instead of get_unnamed_section to emit
525 .init_array/.fini_array with default priority.
527 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
529 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
530 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
531 (mips_start_unique_function, mips_output_mips16_rdhwr)
532 (mips_code_end): New functions.
533 (TARGET_ASM_CODE_END): Define.
535 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
537 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
538 to stubs with non-sibling calls.
540 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
542 * doc/invoke.texi (-fira-* options): Copy-edit.
543 (ira-* parameters): Copy-edit.
545 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
547 * doc/invoke.texi: Minor copy-edits to bring into conformance with
548 GCC coding conventions.
550 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
552 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
553 when used as adjectives.
555 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
557 * doc/invoke.texi: Clean up "that"/"which" confusion.
559 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
561 * system.h: Poison SMALL_REGISTER_CLASSES
562 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
563 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
565 2012-02-16 Jakub Jelinek <jakub@redhat.com>
567 PR tree-optimization/52285
568 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
569 when deciding if a call is a tail call or tail recursion.
571 2012-02-16 Kai Tietz <ktietz@redhat.com>
573 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
574 interger-constant displacement for UNSPEC_PCREL.
576 2012-02-16 Jakub Jelinek <jakub@redhat.com>
578 PR rtl-optimization/52208
579 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
580 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
582 PR tree-optimization/52255
583 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
584 loop->header has virtual PHI, but exit_e->dest doesn't, add
585 virtual PHI to exit_e->dest and adjust all uses after the loop.
588 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
589 children with clone_tree_hash, not after it.
591 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
593 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
594 extended identifiers.
596 2012-02-16 Jakub Jelinek <jakub@redhat.com>
599 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
600 a same_body_alias, also test whether e->callee isn't a former
601 or current clone of the decl this is a same body alias of.
604 * cgraphunit.c (verify_cgraph_node): Fix a typo.
606 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
608 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
610 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
613 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
614 force_reg instead of copy_to_reg for better optimization. Force
615 non-register or memory operands into a register.
617 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
619 * extend.texi: Reserve upper bits of memory model for future use.
621 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
622 Anatoly Sokolov <aesok@post.ru>
623 Eric Weddington <eric.weddington@atmel.com>
626 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
627 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
628 Rewrite initializers for .macro.
629 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
630 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
631 atxmega32d4, atxmega32x1.
632 avrxmega4: atxmega64a3, atxmega64d3.
633 avrxmega5: atxmega64a1, atxmega64a1u.
634 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
635 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
636 avrxmega7: atxmega128a1, atxmega128a1u.
637 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
638 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
639 (struct base_arch_s): Rename reserved to xmega_p.
640 Rename reserved2 to have_rampd.
641 (AVR_XMEGA): New define.
642 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
643 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
644 * config/avr/predicates.md (io_address_operand): Take into
646 (low_io_address_operand): Ditto.
647 (high_io_address_operand): Ditto.
648 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
649 (enabled, movhi_sp_r): Use them.
650 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
651 cpp_define_formatted to built-in define __AVR_ARCH__.
652 (__AVR_XMEGA__): New built-in define.
653 (__AVR_HAVE_RAMPD__): New built-in define.
654 (__AVR_HAVE_RAMPX__): New built-in define.
655 (__AVR_HAVE_RAMPY__): New built-in define.
656 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
658 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
659 (avr_option_override): Initialize them.
660 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
661 (avr_init_expanders): Initialize them. No more block several calls.
662 (emit_push_sfr): New static function.
663 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
665 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
666 (avr_print_operand): Print addreeses as symbols for
667 RAMPX, RAMPY, RAMPD, CCP.
668 (output_movhi): Handle AVR_XMEGA when writing to SP.
669 (avr_out_movhi_mr_r_xmega): New static function.
670 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
671 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
672 __RAMPD__, __CCP__ as needed.
674 * config/avr/multilib.h: Regenerate.
675 * config/avr/t-multilib: Regenerate.
676 * config/avr/avr-tables.opt: Regenerate.
678 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
680 PR tree-optimization/50561
681 * graphite-flattening.c (lst_project_loop): Do not
682 remove old scattering dimensions after flattening.
683 (lst_do_flatten): Likewise.
685 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
687 * doc/extend.texi (AVR Built-in Functions): Remove doc for
688 __builtin_avr_map8, __builtin_avr_map16.
689 Document __builtin_avr_insert_bits.
691 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
692 (insert_bits): New insn.
693 (adjust_len.map_bits): Rename to insert_bits.
694 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
695 * avr-protos.h (avr_out_map_bits): Remove.
696 (avr_out_insert_bits, avr_has_nibble_0xf): New.
697 * config/avr/constraints.md (Cxf,C0f): New.
698 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
699 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
700 New built-in define __BUILTIN_AVR_INSERT_BITS.
701 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
702 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
703 (avr_move_bits): Rewrite.
704 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
706 (avr_map_op_t): New typedef.
707 (avr_map_op): New static variable.
708 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
709 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
710 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
711 (bdesc_3arg, avr_expand_triop_builtin): New.
712 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
713 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
714 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
715 (avr_map_equal_p, avr_map_sig_p): Remove.
716 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
717 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
718 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
719 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
720 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
721 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
723 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
725 * config/c6x/c6x.md (reserve_cycles): New attribute.
726 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
727 don't reserve functional units after the branch occurs.
729 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
732 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
733 functions into non-tm_pure functions.
735 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
738 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
739 (iterative_hash_canonical_type): Likewise.
740 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
743 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
745 * haifa-sched.c (prune_ready_list): Ensure that if there is a
746 sched-group insn, it either remains alone or the entire list is pruned.
748 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
750 * doc/install.texi (Prerequisites): Fix grammar.
751 (Configuration): Likewise.
753 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
755 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
756 MPC as part of GCC before describing configuring with --with-gmp etc.
757 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
760 2012-02-14 Jakub Jelinek <jakub@redhat.com>
763 * dwarf2out.c (clone_tree_hash): New function.
764 (copy_decls_walk): Use it instead of clone_tree.
766 2012-02-14 Richard Guenther <rguenther@suse.de>
768 PR tree-optimization/52244
769 PR tree-optimization/51528
770 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
771 replacements for integral types.
773 2012-02-14 Walter Lee <walt@tilera.com>
775 * config.gcc: Handle tilegx and tilepro.
776 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
778 Add HAVE_AS_TLS check for tilegx and tilepro.
779 * configure: Regenerate.
780 * doc/contrib.texi: Add Mat Hostetter and self.
781 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
782 Document instruction intrinsics and network accessing intrinsics.
783 (TILEPro Built-in Functions): New node. Document instruction
784 intrinsics and network accessing intrinsics.
785 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
786 (Specific, tilepro-*-linux*): Likewise.
787 * doc/invoke.texi (TILE-Gx Options): New section.
788 (TILEPro Options): New section.
789 * doc/md.texi (TILE-Gx): New section.
790 (TILEPro): New section.
791 * common/config/tilegx/tilegx-common.c: New file.
792 * common/config/tilepro/tilepro-common.c: New file.
793 * config/tilegx/constraints.md: New file.
794 * config/tilegx/linux.h: New file.
795 * config/tilegx/mul-tables.c: New file.
796 * config/tilegx/predicates.md: New file.
797 * config/tilegx/sync.md: New file.
798 * config/tilegx/t-tilegx: New file.
799 * config/tilegx/tilegx-builtins.h: New file.
800 * config/tilegx/tilegx-c.c: New file.
801 * config/tilegx/tilegx-generic.md: New file.
802 * config/tilegx/tilegx-modes.def: New file.
803 * config/tilegx/tilegx-multiply.h: New file.
804 * config/tilegx/tilegx-protos.h: New file.
805 * config/tilegx/tilegx.c: New file.
806 * config/tilegx/tilegx.h: New file.
807 * config/tilegx/tilegx.md: New file.
808 * config/tilegx/tilegx.opt: New file.
809 * config/tilepro/constraints.md: New file.
810 * config/tilepro/gen-mul-tables.cc: New file.
811 * config/tilepro/linux.h: New file.
812 * config/tilepro/mul-tables.c: New file.
813 * config/tilepro/predicates.md: New file.
814 * config/tilepro/t-tilepro: New file.
815 * config/tilepro/tilepro-builtins.h: New file.
816 * config/tilepro/tilepro-c.c: New file.
817 * config/tilepro/tilepro-generic.md: New file.
818 * config/tilepro/tilepro-modes.def: New file.
819 * config/tilepro/tilepro-multiply.h: New file.
820 * config/tilepro/tilepro-protos.h: New file.
821 * config/tilepro/tilepro.c: New file.
822 * config/tilepro/tilepro.h: New file.
823 * config/tilepro/tilepro.md: New file.
824 * config/tilepro/tilepro.opt: New file.
826 2012-02-14 Jakub Jelinek <jakub@redhat.com>
828 PR tree-optimization/52210
829 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
830 vect_model_simple_cost with two entry vect_def_type array instead
833 2012-02-14 Richard Guenther <rguenther@suse.de>
836 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
837 Do not stream DECL_QUALIFIER.
838 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
839 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
840 (find_decls_types_r): Do not walk DECL_QUALIFIER.
842 2012-02-14 Jakub Jelinek <jakub@redhat.com>
845 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
848 2012-02-13 Jakub Jelinek <jakub@redhat.com>
851 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
852 * cselib.c (cselib_subst_to_values_from_insn): New function.
853 * sched-deps.c (add_insn_mem_dependence,
854 sched_analyze_1, sched_analyze_2): Use it.
856 2012-02-13 Jan Hubicka <jh@suse.cz>
859 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
861 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
863 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
864 (GTM_SELF_SPECS): Define if not already defined.
865 (driver_self_specs): Add GTM_SELF_SPECS.
866 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
867 (GTM_SELF_SPECS): Define.
868 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
869 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
871 2012-02-13 Jakub Jelinek <jakub@redhat.com>
873 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
876 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
879 * omp-low.c (expand_omp_for): If a static schedule without chunk size
880 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
882 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
885 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
887 2012-02-13 Richard Guenther <rguenther@suse.de>
890 * passes.c (enable_disable_pass): Fix typo.
892 2012-02-13 Jakub Jelinek <jakub@redhat.com>
895 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
896 XOR for reduce_bit_field if type is unsigned.
898 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
900 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
901 disallow changes from SFmode to mode with different size in FP regs.
903 2012-02-12 Robert Millan <rmh@gnu.org>
904 Gerald Pfeifer <gerald@pfeifer.com>
906 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
909 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
911 PR rtl-optimization/52175
912 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
913 to frame-related instructions.
915 2012-02-10 Jason Merrill <jason@redhat.com>
918 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
919 (demangle_new_symbols): Fill it.
920 (scan_linker_output): Walk it.
921 (start_tweaking): Split out from scan_linker_output.
922 (maybe_tweak): Update sym->chosen.
923 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
925 2012-02-11 Jakub Jelinek <jakub@redhat.com>
928 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
930 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
932 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
933 having the same mode as previous compare.
935 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
937 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
938 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
939 (nonlocal_goto_internal): Likewise.
940 (nonlocal_goto): Emit a use and an indirect jump directly.
942 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
945 * doc/extend.texi : Update comments for __atomic_compare_exchange and
946 __atomic_{is,always}_lock_free.
948 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
951 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
952 negative constant address for x32.
954 2012-02-10 Richard Henderson <rth@redhat.com>
956 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
957 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
958 for GIMPLE_TRANSACTION. Tidy if's into a switch.
960 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
961 Ira Rosen <irar@il.ibm.com>
963 PR tree-optimization/50031
964 * targhooks.c (default_builtin_vectorization_cost): Handle
966 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
967 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
968 all types of reduction and pattern statements.
969 (vect_estimate_min_profitable_iters): Likewise.
970 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
971 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
972 for explicit realigns.
973 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
974 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
976 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
977 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
978 vec_perm for VSX and handle vec_promote_demote.
980 2012-02-10 Jakub Jelinek <jakub@redhat.com>
983 * builtins.c (fold_builtin_atomic_always_lock_free,
984 expand_builtin_atomic_always_lock_free,
985 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
986 Return and/or test boolean_true_node/boolean_false_node instead of
987 integer_one_node/integer_zero_node.
989 2012-02-10 Jan Hubicka <jh@suse.cz>
992 * predict.c (predict_paths_for_bb): Prevent looping.
993 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
995 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
997 * config/arm/arm.c (output_move_double): In one case properly
998 count number of instructions that will be emitted.
1000 2012-02-10 Richard Guenther <rguenther@suse.de>
1002 PR translation/52193
1003 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1005 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1008 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1010 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1013 * var-tracking.c (emit_note_insn_var_location): If
1014 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1015 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1016 non-NOTE_DURING_CALL_P insn.
1018 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1021 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1023 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1026 * gcc.c (switch_matches) Support switches with separated form,
1029 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1031 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1033 (RAMPZ_ADDR): Ditto.
1034 * config/avr/avr.c (avr_addr_t): New typedef.
1035 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1036 (avr_init_expanders): Initialize it.
1037 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1039 (expand_epilogue): Ditto.
1040 (avr_print_operand): Ditto.
1041 (avr_file_start): Ditto.
1042 (avr_emit_movmemhi): Ditto.
1044 2012-02-08 Richard Guenther <rguenther@suse.de>
1046 PR tree-optimization/46886
1047 * tree-flow.h (do_while_loop_p): Declare.
1048 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1049 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1051 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1053 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1054 always succeed for integers larger than a native word.
1056 2012-02-08 Richard Guenther <rguenther@suse.de>
1058 PR rtl-optimization/52170
1059 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1060 properly handle integer vector modes.
1062 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1064 PR gcov-profile/52150
1065 * coverage.c: Include target.h.
1066 (build_var): Call targetm.strip_name_encoding on the assembler name.
1067 Change one _ into . or $ if the target allows it.
1068 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1070 PR rtl-optimization/52139
1071 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1072 is a BARRIER after emit_insn_after_noloc, move BB_END
1073 to the last non-BARRIER insn before it.
1075 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1078 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1079 (mips_gimplify_va_arg_expr): Call it instead of
1080 std_gimplify_va_arg_expr.
1082 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1084 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1085 message for -mno-pointers-to-nested-function.
1087 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1090 * expr.c (get_inner_reference): If there is an offset, add a negative
1091 bit position to it (if any).
1093 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1095 PR rtl-optimization/52060
1096 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1097 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1098 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1099 and/or i0src_copy2 when needed.
1101 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1103 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1104 or LTOPLUGINSONAME if have_c.
1106 * config/freebsd-spec.h: Add comment about what macros can be defined
1108 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1109 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1112 2012-02-07 Richard Guenther <rguenther@suse.de>
1114 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1115 newline in -alias dumps.
1117 2012-02-07 Kai Tietz <ktietz@redhat.com>
1118 Dave Korn <dave.korn.cygwin@gmail.com>
1121 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1122 Take care that typinfo gets dllexport-attribute.
1124 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1127 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1128 if modifier < EXPAND_SUM call force_operand on the result.
1130 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1132 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1133 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1135 (epiphany_function_type): Replace types for specific interrupts with
1136 EPIPHANY_FUNCTION_INTERRUPT.
1137 (EPIPHANY_INTERRUPT_P): Update.
1138 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1139 New static function.
1140 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1141 <disinterrupt>: Affects type identity.
1142 (epiphany_handle_interrupt_attribute): Handle variable number of
1144 (epiphany_compute_function_type): Update for new
1145 epiphany_function_type definition.
1146 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1147 handlers with a longcall forwarder.
1148 (epiphany_start_function): Handle multiple interrupt arguments and/or
1149 forwarder_section attribute.
1151 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1154 2012-02-07 Alan Modra <amodra@gmail.com>
1157 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1160 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1162 PR tree-optimization/50969
1163 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1164 use vec_perm rather than vector_stmt.
1165 (vect_model_load_cost): Likewise.
1166 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1167 vec_perm to be the same as other vector statements.
1168 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1169 cost of vec_perm for TARGET_VSX.
1171 2012-02-06 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/52115
1174 * tree-sra.c (access_has_replacements_p): New function.
1175 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1177 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1180 * trans-mem.c (expand_call_tm): Add an assertion.
1181 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1184 2012-02-06 Richard Guenther <rguenther@suse.de>
1186 PR tree-optimization/50955
1187 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1188 raise cost of expressions that replace an address with an
1189 expression based on a different pointer.
1191 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1194 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1195 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1197 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1200 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1201 -Weffc++ and specify guidelines come from second edition.
1203 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1205 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1206 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1207 (call_direct_split, call_value_split, call_value_internal_direct)
1208 (call_value_direct_split, call_value_multiple_split): Use jal and
1209 jal_macro attributes.
1211 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1213 * reload1.c (reload_regs_reach_end_p): Replace with...
1214 (reload_reg_rtx_reaches_end_p): ...this function.
1215 (new_spill_reg_store): Update commentary.
1216 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1217 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1218 before setting new_spill_reg_store.
1219 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1220 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1221 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1222 for non-spill reload registers.
1224 2012-02-05 Ira Rosen <irar@il.ibm.com>
1226 PR tree-optimization/52091
1227 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1228 (vect_is_simple_use_1): Likewise.
1229 * tree-vect-loop.c (vectorizable_reduction): Update calls
1230 to vect_is_simple_use_1 and vect_is_simple_use.
1231 (vectorizable_live_operation): Likewise.
1232 * tree-vect-patterns.c (widened_name_p,
1233 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1234 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1235 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1236 vectorizable_shift,vectorizable_operation, vectorizable_store,
1237 vectorizable_load): Likewise.
1238 (vect_is_simple_cond): Add an argument, pass it to
1239 vect_is_simple_use_1.
1240 (vectorizable_condition): Update calls to vect_is_simple_cond,
1242 (vect_is_simple_use): Add an argument, the statement in which
1243 OPERAND is used. Check that if OPERAND's def stmt is a double
1244 reduction phi node, the use is a phi node too.
1245 (vect_is_simple_use_1): Add an argument, pass it to
1247 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1248 to vect_is_simple_use.
1250 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1252 PR rtl-optimization/52095
1253 * modulo-sched.c (dump_insn_locator): New function.
1254 (loop_canon_p, sms_schedule): Use it.
1256 PR rtl-optimization/52113
1257 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1258 even for decomposable shift/zext insns.
1260 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1261 Zdenek Dvorak <ook@ucw.cz>
1263 PR rtl-optimization/52092
1264 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1265 on get_iv_value result.
1267 2012-02-02 Andrew Pinski <apinski@cavium.com>
1271 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1273 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1276 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1278 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1280 PR rtl-optimization/49800
1281 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1282 (sched_finish): Call regstat_free_n_sets_and_refs.
1284 2012-02-02 Jia Liu <proljc@gmail.com>
1286 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1289 2012-02-02 Jan Hubicka <jh@suse.cz>
1290 Tom de Vries <tom@codesourcery.com>
1293 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1294 * varpool.c (varpool_analyze_pending_decls): Likewise.
1296 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1297 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1299 * config.gcc: Add cr16-* support.
1301 * doc/extend.texi: Document cr16 extensions.
1302 * doc/install.texi: Document cr16 install.
1303 * doc/invoke.texi: Document cr16 options.
1304 * doc/md.texi: Document cr16 constraints.
1306 * common/config/cr16/cr16-common.c: New file.
1307 * config/cr16/cr16.c: New file.
1308 * config/cr16/cr16.h: New file.
1309 * config/cr16/cr16.md: New file.
1310 * config/cr16/cr16.opt: New file.
1311 * config/cr16/cr16-protos.h: New file.
1312 * config/cr16/predicates.md: New file.
1313 * config/cr16/constraints.md: New file.
1314 * config/cr16/t-cr16: New file.
1316 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1319 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1320 that operands[2] is either immediate, or q_regs_operand.
1322 PR tree-optimization/52073
1323 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1324 a pattern stmt for pattern uses, ignore uses outside of the loop.
1326 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1328 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1329 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1330 (OUT_AS1, OUT_AS2): Remove.
1332 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1334 PR rtl-optimization/51374
1335 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1336 to cross other volatile_refs_p insns.
1338 2012-02-01 Richard Guenther <rguenther@suse.de>
1340 * doc/invoke.texi (fno-inline): Clarify documentation.
1341 (finline-small-functions): Likewise.
1342 (finline-functions): Likewise.
1343 * common.opt (finline): Adjust comment and documentation.
1344 (finline-small-functions): Clarify documentation.
1345 (finline-functions): Likewise.
1346 (finline-functions-called-once): Likewise.
1348 2012-02-01 Tristan Gingold <gingold@adacore.com>
1350 * c-typeck.c (composite_type): Keep mode for pointers.
1352 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1354 * function.h (regno_reg_rtx): Adjust comment.
1355 * reginfo.c (init_reg_modes_target): Only use the previous mode
1356 if it fits within one register. Remove MIPS comment.
1358 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1361 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1363 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1365 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1366 to srak instruction.
1368 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1370 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1372 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1377 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1379 2012-01-31 Richard Guenther <rguenther@suse.de>
1381 PR tree-optimization/51528
1382 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1385 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1390 * ree.c (add_removable_extension): Change def_map argument
1391 to unsigned *, store in def_map 1 + offset into *insn_list vector
1392 instead of pointers into the vector.
1393 (find_removable_extensions): Adjust caller.
1395 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1397 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1398 Transform all "* quoted-c-code" to { c-code }.
1399 Remove redundant test for "optimize" in combine patterns.
1400 Move (include "avr-dimode.md") to end of file.
1402 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1405 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1406 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1408 2012-01-30 Richard Guenther <rguenther@suse.de>
1410 PR tree-optimization/52028
1411 * tree-loop-distribution.c (ldist_gen): Properly update
1414 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1417 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1418 set_cur_line_info_table if not emitting debug info.
1420 PR tree-optimization/52046
1421 * tree-vect-patterns.c (check_bool_pattern): Give up if
1422 a comparison could throw.
1425 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1427 2012-01-30 Richard Guenther <rguenther@suse.de>
1429 PR tree-optimization/52045
1430 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1431 SSA form if cfgcleanup did anything.
1433 2012-01-30 Richard Guenther <rguenther@suse.de>
1435 PR tree-optimization/52045
1436 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1437 before computing final todo.
1439 2012-01-30 Richard Guenther <rguenther@suse.de>
1441 PR tree-optimization/51528
1442 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1445 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1447 * df-problems.c (df_kill_notes): Check that the use refers
1448 to the note under examination.
1450 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1453 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1454 parameter and use short-lived pseudos.
1455 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1456 (sparc_expand_vector_init): Const-ify local variables and adjust
1457 calls to above functions.
1459 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1461 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1463 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1465 * doc/invoke.texi: Make usage of "compile time" and
1466 "run time"/"runtime" consistent throughout the file.
1468 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1470 * config/alpha/alpha.c (alpha_option_override): Default to
1471 full IEEE compliance mode for Go language.
1473 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1475 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1476 (LINK_SSP_SPEC): Define.
1478 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1481 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1484 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1486 * doc/invoke.texi: Correct hyphenation of "floating point",
1487 "double precision", and related terminology throughout the file.
1489 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1492 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1493 arm_general_register_operand predicate for operand 2 instead of
1496 2012-01-27 Ian Lance Taylor <iant@google.com>
1499 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1500 * builtins.c (expand_builtin_init_trampoline): Add onstack
1501 parameter. Change caller.
1502 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1503 * tree.c (build_common_builtin_nodes): Declare
1504 __builtin_init_heap_trampoline.
1506 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1508 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1509 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1510 * config/avr/avr.c: Ditto.
1511 (avr_regnames): Remove because unused.
1512 * config/avr/avr.md (*cpse.ne): New peephole.
1513 (*cpse.eq): New peephole from former cpse peepholes.
1515 2012-01-27 Michael Eager <eager@eagercon.com>
1517 * config/microblaze.c (microblaze_emit_compare): Correct
1518 test after pcmp instruction.
1520 2012-01-27 Richard Guenther <rguenther@suse.de>
1522 PR tree-optimization/52020
1523 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1525 2012-01-27 Richard Guenther <rguenther@suse.de>
1527 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1528 function non-const/pure.
1530 2012-01-27 Richard Guenther <rguenther@suse.de>
1532 PR tree-optimization/50444
1533 * tree-sra.c (build_ref_for_offset): Properly adjust the
1534 MEM_REF type for unaligned accesses.
1536 2012-01-27 Richard Guenther <rguenther@suse.de>
1538 PR tree-optimization/50444
1539 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1540 (expand_assignment): Use it. Properly handle misaligned
1541 bases when expanding stores to component references.
1542 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1545 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1548 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1549 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1550 * tree-data-ref.c (find_data_references_in_loop): Make static.
1551 (compute_all_dependences): Change return type to bool. Bail out
1552 for too many datarefs in a loop. Move the hunk resetting the data
1553 dependences vector from ...
1554 (compute_data_dependences_for_loop): ... here. Account for
1555 compute_all_dependences returning false.
1556 (compute_data_dependences_for_bb): Likewise.
1557 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1558 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1560 2012-01-27 Richard Guenther <rguenther@suse.de>
1563 * expr.c (store_field): Use the alias-set of the scratch memory
1566 2012-01-27 Tom de Vries <tom@codesourcery.com>
1568 PR tree-optimization/51990
1569 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1571 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1573 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1576 * var-tracking.c (reverse_op): Don't add any reverse operation
1577 if V already has any constant locations.
1579 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1581 * doc/invoke.texi: Correct usage of "command line" (noun)
1582 vs "command-line" (adjective) throughout.
1584 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1586 * doc/invoke.texi (Language Independent Options): Move
1587 -Wcoverage-mismatch blurb from here....
1588 (Warning Options): ...to here.
1590 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1592 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1593 Set rs6000_always_hint to false for 476.
1595 2012-01-27 Matthias Klose <doko@ubuntu.com>
1597 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1599 * incpath.c (add_standard_paths): Likewise.
1601 2012-01-27 Richard Henderson <rth@redhat.com>
1603 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1604 * config/m68k/sync.md (atomic_test_and_set): Rename from
1605 sync_test_and_setqi and adjust the operands.
1606 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1607 and unconditionally enable.
1609 2012-01-27 Richard Henderson <rth@redhat.com>
1611 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1612 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1613 (ldstub): Rename from ldstubqi.
1614 (ldstub<I24MODE>): Remove.
1616 2012-01-27 Richard Henderson <rth@redhat.com>
1618 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1619 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1620 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1621 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1622 * doc/tm.texi: Rebuild.
1624 2012-01-27 Richard Henderson <rth@redhat.com>
1626 * optabs.c (gen_atomic_test_and_set): Remove default.
1627 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1629 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1631 PR rtl-optimization/51978
1632 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1633 (combine_reaching_defs): Likewise.
1634 (struct re_info): Remove.
1635 (add_removable_extension): Remove x and data arguments,
1636 add insn, insn_list and def_map. Use the arguments directly
1637 instead of using struct re_info.
1638 (find_removable_extensions): Don't call add_removable_extension
1639 through note_stores, instead just call it with single_set
1641 (find_and_remove_re): Pass curr_cand->expr instead of
1642 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1644 2012-01-26 Michael Matz <matz@suse.de>
1646 PR tree-optimization/46590
1647 * cfgexpand.c: Revert last change (r183305).
1648 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1650 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1651 checking for emptiness.
1653 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1656 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1657 non-addressable non-BLKmode base correctly.
1659 2012-01-26 Michael Matz <matz@suse.de>
1661 PR tree-optimization/48794
1662 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1663 regions referenced from RESX/EH_DISPATCH.
1665 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1667 * config/s390/s390.h: Make BRANCH_COST an option.
1668 * config/s390/s390.opt: New option -mbranch-cost.
1670 2012-01-26 Richard Henderson <rth@redhat.com>
1672 Revert 2012-01-24 change:
1673 * trans-mem.c (requires_barrier): Do not instrument thread local
1674 variables and emit save/restore for them.
1676 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1679 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1682 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1684 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1687 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1690 Rename __pgm to __flash.
1691 Rename __pgm1 to __flash1.
1692 Rename __pgm2 to __flash2.
1693 Rename __pgm3 to __flash3.
1694 Rename __pgm4 to __flash4.
1695 Rename __pgm5 to __flash5.
1696 Rename __pgmx to __memx.
1697 * doc/extend.texi (AVR Named Address Spaces)
1698 Rename address space names as indicated above.
1699 * config/avr/avr.c (avr_addrspace): Ditto.
1701 * config/avr/avr-protos.h
1702 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1703 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1704 * config/avr/predicates.md: Ditto.
1705 * config/avr/avr.c Ditto, and
1706 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1707 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1709 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1710 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1711 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1712 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1713 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1714 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1715 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1716 * config/avr/avr.c: Ditto.
1717 * config/avr/avr.md: Ditto.
1719 2012-01-25 Jason Merrill <jason@redhat.com>
1722 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1724 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1726 PR tree-optimization/51987
1727 * tree-data-ref.c (get_references_in_stmt): Handle references in
1728 non-volatile GIMPLE_ASM.
1730 2012-01-25 Richard Guenther <rguenther@suse.de>
1732 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1733 bases are dereferenced.
1735 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1737 PR rtl-optimization/48374
1738 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1740 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1742 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1743 compute_data_dependences_for_loop returns false.
1744 * tree-parloops.c (loop_parallel_p): Likewise.
1746 2012-01-25 Richard Guenther <rguenther@suse.de>
1748 * tree.h (get_pointer_alignment_1): Declare.
1749 * builtins.c (get_pointer_alignment_1): New function.
1750 (get_pointer_alignment): Use it.
1752 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1754 PR rtl-optimization/48308
1755 * combine.c (enum undo_kind): Add UNDO_LINKS.
1756 (struct undo): Add member l to other_contents and where.
1757 (do_SUBST_LINK): New.
1759 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1760 (undo_all): Handle UNDO_LINKS.
1762 2012-01-25 Richard Henderson <rth@redhat.com>
1764 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1767 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1769 * optabs.c (gen_atomic_test_and_set): Use each argument.
1771 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1773 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1774 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1775 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1776 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1777 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1778 TARGET_PAIRED_SINGLE_FLOAT.
1780 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1782 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1783 (in_struct, return_val): Remove MEM documentation.
1784 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1785 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1786 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1788 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1789 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1790 * expr.c (store_field): Likewise.
1791 * function.c (assign_stack_temp_for_type): Likewise.
1792 * ifcvt.c (noce_try_cmove_arith): Likewise.
1793 * reload1.c (reload): Likewise.
1794 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1795 (alpha_set_memflags): Likewise.
1796 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1798 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1800 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1802 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1803 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1804 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1806 * cselib.c (cselib_rtx_varies_p): Delete.
1807 (cselib_invalidate_mem): Update call to canon_true_dependence.
1808 * dse.c (record_store, check_mem_read_rtx): Likewise.
1809 (scan_reads_nospill): Likewise.
1810 * cse.c (check_dependence): Likewise.
1811 (cse_rtx_varies_p): Delete.
1812 * expr.c (safe_from_p): Update call to true_dependence.
1813 * ira.c (validate_equiv_mem_from_store): Likewise.
1814 (memref_referenced_p): Likewise.
1815 * postreload-gcse.c (find_mem_conflicts): Likewise.
1816 * sched-deps.c (sched_analyze_2): Likewise.
1817 * store-motion.c (load_kills_store): Likewise.
1818 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1819 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1820 (compute_transp): Update call to canon_true_dependence.
1822 2012-01-25 Richard Henderson <rth@redhat.com>
1824 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1825 (maybe_emit_atomic_test_and_set): New.
1826 (expand_sync_lock_test_and_set): Use it.
1827 (expand_atomic_test_and_set): Likewise.
1828 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1829 the implementation; clarify implementation defined details.
1830 * doc/md.texi (atomic_test_and_set): Document.
1832 2012-01-25 Richard Henderson <rth@redhat.com>
1834 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1836 2012-01-25 Richard Henderson <rth@redhat.com>
1839 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1840 to effect no-op split.
1842 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1845 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1846 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1847 (BT_FN_VOID_PTR_INT_SIZE): New.
1848 (BT_FN_UINT_UINT_VAR): Remove.
1849 (BT_FN_UINT32_UINT32_VAR): New.
1850 (BT_FN_DOUBLE_VPTR): Remove.
1851 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1853 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1854 (_ITM_changeTransactionMode): Same.
1855 (_ITM_memmoveRtWt): Change return type to void.
1856 (_ITM_memcpyRtWt): Same.
1857 (_ITM_memsetW): Same.
1858 (_ITM_RaRD): Change types to double.
1863 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1865 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1866 Patrick Marlier <patrick.marlier@gmail.com>
1868 * trans-mem.c (requires_barrier): Do not instrument thread local
1869 variables and emit save/restore for them.
1871 2012-01-24 Jason Merrill <jason@redhat.com>
1874 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1875 output static aliases.
1877 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1880 * common.opt (-pie, -shared, pie, shared): Change from Common to
1882 * gcc.c (display_help): Display help for -pie and -shared.
1884 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1887 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1888 Remove note on size/offset limitation.
1889 (AVR Variable Attributes): Add example how to read data located
1890 with progmem. Refer to named address spaces.
1891 * doc/invoke.texi (AVR Options): Fix typo.
1893 2012-01-24 Richard Guenther <rguenther@suse.de>
1895 Forward-port to trunk
1896 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1899 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1900 op0 isn't sufficiently aligned and there is movmisalignM
1901 insn for mode, use it to load op0 into a temporary register.
1903 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1906 * target.def (const_not_ok_for_debug_p): New hook.
1907 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1909 * doc/tm.texi: Regenerated.
1910 * dwarf2out.c (const_ok_for_output_1): If
1911 targetm.const_not_ok_for_debug_p returns true, fail.
1912 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1914 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1916 2012-01-23 Kai Tietz <ktietz@redhat.com>
1919 * config/i386/predicates.md (symbolic_operand): Allow
1920 UNSPEC_PCREL as PIC expression for lea.
1921 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1922 * config/i386/i386.c (ix86_delegitimize_address): Handle
1923 UNSPEC_PCREL for none-MEM, too.
1925 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1927 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1928 (ipa_tm_create_version_alias): Same.
1930 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1933 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1934 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1936 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1937 Patrick Marlier <patrick.marlier@gmail.com>
1938 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1941 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1942 simple_object_start_read.
1944 2012-01-23 Richard Guenther <rguenther@suse.de>
1947 PR tree-optimization/51895
1948 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1949 parameter decomposition into BLKmode components.
1951 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1953 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1954 fake variables for restrict-qualified pointers whose pointed-to type
1955 contains a placeholder.
1957 2012-01-23 Richard Guenther <rguenther@suse.de>
1959 PR tree-optimization/51949
1960 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1962 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1964 PR rtl-optimization/51933
1965 * ree.c (transform_ifelse): Return true right away if dstreg is
1966 already wider or equal to cand->mode.
1967 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1968 (make_defs_and_copies_lists): Remove defs_list and copies_list
1969 arguments, add state argument, just truncate state->work_list
1970 instead of always allocating and freeing the vector. Assert that
1971 get_defs succeeds instead of returning 2. Changed return type to bool.
1972 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1973 have ext_src_mode, see if it has been modified already with the
1974 right kind of extension and has been extended before from the
1975 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1976 just return true. Remember the original mode in state->modified array.
1977 (combine_reaching_defs): Add state argument. Don't allocate and
1978 free here def_list, copied_list and vec vectors, instead just
1979 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1980 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1981 Add state variable, clear vectors in it, initialize state.modified
1982 if needed. Free all the vectors at the end and state.modified too.
1983 Don't skip a candidate if the extension expression has been modified.
1985 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1988 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1989 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1990 (extra_options) interix.opt -> i386/interix.opt"
1991 (extra_objs):Add winnt-stubs.o
1992 * configure.ac: Add interix to target_os .comm on PE check.
1993 * configure: Regenerate.
1994 * config/interix3.h: Delete and move bits to..
1995 * config/interix.h: Delete and move bits to..
1996 * config/i386/i386-interix3.h: Delete and move bits to..
1997 * config/i386/i386-interix.h: ..here.
1998 (TARGET_CPU_DEFAULT): Remove redefinition.
1999 (TARGET_ASM_CONSTRUCTOR): Undefine.
2000 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2001 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2002 (PTRDIFF_TYPE): Define.
2003 (LONG_DOUBLE_TYPE_SIZE): Define.
2004 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2005 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2006 (TARGET_SECTION_TYPE_FLAGS): Define.
2007 (ASM_DECLARE_FUNCTION_NAME): Define.
2008 (ASM_OUTPUT_EXTERNAL): Define.
2009 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2010 (ASM_OUTPUT_ALIGNED_BSS): Define.
2011 (PCC_BITFIELD_TYPE_MATTERS): Define.
2012 (USE_CONST_SECTION): Define.
2013 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2014 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2015 (SUPPORTS_ONE_ONLY): Remove.
2016 (I386_PE_STRIP_ENCODING): Define.
2017 * config/interix.opt: Delete and move bits to..
2018 * config/i386/interix.opt: ..here. New.
2019 (mpe-aligned-commons): Add.
2020 * config/i386/t-interix: Add copyright header.
2021 (winnt-stubs.o): Add rule.
2023 2012-01-22 Jason Merrill <jason@redhat.com>
2026 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2027 for extra name aliases.
2029 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2031 PR rtl-optimization/51924
2032 * ree.c (combine_set_extension): Improve debugging message.
2033 (combine_reaching_defs): Likewise.
2034 (get_defs): Rename confusingly named variable.
2035 (find_and_remove_re): Skip a candidate if the extension expression has
2038 2012-01-21 Robert Millan <rmh@gnu.org>
2039 Gerald Pfeifer <gerald@pfeifer.com>
2041 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2042 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2044 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2046 PR tree-optimization/51914
2047 * tree-vect-stmts.c (vectorizable_conversion): For
2048 cvt_type && modifier == WIDEN, put temporary with cvt_type
2049 at the beginning of vec_dsts and set vec_dest to temporary
2052 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2054 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2056 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2058 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2059 * config/rs6000/rs6000.c: Likewise.
2061 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2064 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2065 output_move_double on a copy of operands array.
2067 2012-01-20 Cary Coutant <ccoutant@google.com>
2068 Dodji Seketeli <dodji@redhat.com>
2071 * dwarf2out.c (copy_declaration_context): Return ref to parent
2072 of declaration DIE, if necessary.
2073 (remove_child_or_replace_with_skeleton): Add new parameter; update
2074 caller. Place skeleton DIE under parent DIE of original declaration.
2075 Move call to copy_declaration_context to here ...
2076 (break_out_comdat_types): ... from here.
2078 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2080 PR rtl-optimization/51856
2081 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2084 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2087 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2088 hints for neon loads and stores.
2090 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2094 * doc/extend.texi (Named Address Spaces): Split into subsections.
2095 (AVR Named Address Spaces): New subsection.
2096 (M32C Named Address Spaces): New subsection.
2097 (RL78 Named Address Spaces): New subsection.
2098 (SPU Named Address Spaces): New subsection.
2099 (Variable Attributes): New anchor "AVR Variable Attributes".
2100 (AVR Variable Attributes): Rewrite and avoid wording
2101 "address space" in this context.
2102 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2103 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2104 (AVR Built-in Macros): New subsubsection therein.
2105 * doc/md.texi (AVR constraints): Remove "C04", "R".
2107 2012-01-20 Richard Guenther <rguenther@suse.de>
2109 PR tree-optimization/51903
2110 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2111 when removing stmts.
2113 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2116 * config/arm/arm.c (arm_load_pic_register): Use
2117 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2118 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2119 (arm_pic_static_addr): Likewise.
2120 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2121 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2122 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2123 (pic_load_addr_unified): New.
2125 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2128 * function.c (instantiate_virtual_regs_in_insn): Use
2129 delete_insn_and_edges when removing a wrong asm insn.
2131 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2133 PR rtl-optimization/40761
2134 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2135 Add new member loop_num.
2136 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2137 (ira_build): Remove the parameter.
2139 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2140 (ira.c): Do not build CFG loops for one region allocation. Remove
2141 argument from ira_build call.
2143 * ira-build.c (init_loop_tree_node): New function.
2144 (create_loop_tree_nodes): Use it. Separate the case when CFG
2145 loops are not built.
2146 (more_one_region_p): Check current_loops.
2147 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2149 (add_loop_to_tree): Process loop equal to NULL too.
2150 (form_loop_tree): Separate the case when CFG loops are not built.
2151 Use explicitly number for the root.
2152 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2154 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2155 instead of loop->num.
2156 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2157 (mark_all_loops_for_removal): Ditto.
2158 (remove_unnecessary_regions): Separate the case when CFG loops
2160 (ira_build): Remove the parameter. Use explicit number of regions
2161 when CFG loops are not built.
2163 * ira-color.c (print_loop_title): Separate the case for the root node.
2164 Use loop_num instead of loop->num.
2165 (move_spill_restore): Use loop_num instead of loop->num.
2167 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2168 (change_loop): Ditto.
2169 (change_loop): Use loop_num instead of loop->num.
2171 * ira-lives.c (process_bb_node_lives): Ditto.
2173 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2175 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2177 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2180 * tree-mudflap.c (mf_artificial): New function.
2181 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2182 mx_register_decls, mudflap_enqueue_decl): Use it.
2185 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2186 numbers in the insn pattern.
2188 2012-01-19 Michael Matz <matz@suse.de>
2190 PR tree-optimization/46590
2191 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2192 use it in remembering which conflicts we already created.
2193 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2196 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2199 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2200 (merge_and_complain): Same.
2202 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2205 * config/initfini-array.h: Guard content of the header
2206 with #ifdef HAVE_INITFINI_ARRAY.
2207 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2208 Add initfini-array.h to tm_file here.
2209 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2210 * config.gcc: Don't add initfini-array.h to tm_file here.
2211 * configure: Regenerated.
2213 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2215 PR rtl-optimization/51505
2216 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2217 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2218 (df_note_bb_compute): Update the call to df_kill_notes.
2220 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2222 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2224 2012-01-18 Richard Guenther <rguenther@suse.de>
2226 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2227 of conversions to void *.
2229 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2230 Richard Sandiford <rdsandiford@googlemail.com>
2234 * optabs.h (simplify_expand_binop): Declare.
2235 * optabs.c (simplify_expand_binop): Make global.
2236 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2237 endian targets if the source cannot be exactly covered by word
2240 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2243 * hard-reg-set.h (struct hard_reg_set_container): New type.
2244 * target.h (struct hard_reg_set_container): Forward declare.
2245 * target.def (set_up_by_prologue): New target hook.
2246 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2247 * doc/tm.texi: Regenerated.
2248 * function.c (thread_prologue_and_epilogue_insns): Change
2249 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2250 Call targetm.set_up_by_prologue on it.
2251 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2252 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2254 2012-01-17 Nick Clifton <nickc@redhat.com>
2256 * config/rx/rx.c (rx_can_use_simple_return): New function.
2257 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2258 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2260 2012-01-17 Richard Guenther <rguenther@suse.de>
2263 * expr.c (expand_assignment): Take address-space information
2264 from the address operand of MEM_REF and TARGET_MEM_REF.
2265 (expand_expr_real_1): Likewise.
2267 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2269 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2270 reload dump is requested.
2272 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2275 * trans-mem.c (requires_barrier): Call may_be_aliased.
2277 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2279 PR tree-optimization/51877
2280 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2281 call arguments and fndecls compare equal, instead return false if they
2282 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2283 both SSA_NAMEs that are valueized the same, or they satisfy
2286 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2288 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2290 * configure: Regenerate.
2292 2012-01-16 Jan Hubicka <jh@suse.cz>
2296 * convert.c (convert_to_integer): Use fold_convert for
2297 converting an INTEGER_CST to integer type.
2299 2012-01-16 Jason Merrill <jason@redhat.com>
2302 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2304 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2307 * config/s390/s390.c (s390_chunkify_start): Don't skip
2308 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2309 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2310 If insn is followed by NOTE_INSN_VAR_LOCATION or
2311 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2312 Don't use location of note insns.
2314 PR tree-optimization/51865
2315 * tree-inline.c (tree_function_versioning): Call remap_decl
2316 on DECL_RESULT whenever it has VOID_TYPE_P type.
2318 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2320 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2321 for calls to locally-binding MIPS16 functions if only the return
2322 type uses float regs.
2324 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2325 Richard Sandiford <rdsandiford@googlemail.com>
2327 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2328 (SYMBOL_32_HIGH): Likewise.
2329 (mips_output_tls_reloc_directive): Declare.
2330 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2331 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2332 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2333 (mips_lo_relocs, mips_hi_relocs): Make extern.
2334 (mips16_stub_function): Move up file.
2335 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2336 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2337 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2338 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2339 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2340 (mips_get_tp): Add MIPS16 support.
2341 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2342 Generalize DTPREL and TPREL handling.
2343 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2344 Add MIPS16 TLS support.
2345 (mips_output_tls_reloc_directive): New function.
2346 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2347 * config/mips/predicates.md (symbolic_operand_with_high)
2348 (tls_reloc_operand): New predicates.
2349 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2350 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2351 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2352 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2353 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2354 (*tls_get_tp_mips16_call_<mode>): Likewise.
2356 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2358 PR rtl-optimization/51821
2359 * recog.c (peep2_find_free_register): Determine clobbered registers
2362 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2365 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2366 * config/avr/avr.c: Likewise.
2367 * config/avr/avr.h: Likewise.
2369 2012-01-13 Ian Lance Taylor <iant@google.com>
2372 * tree.h (TYPE_QUALS): Add cast to int.
2373 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2375 2012-01-13 Ian Lance Taylor <iant@google.com>
2377 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2378 comparing param_index to VEC_length result.
2380 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2382 * c-decl.c: Do not include tree-mudflap.h
2383 * tree-optimize.c: Likewise.
2384 * Makefile.in: Update dependencies.
2386 2012-01-13 Richard Guenther <rguenther@suse.de>
2389 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2390 variable-sized result always use RSO.
2392 2012-01-12 DJ Delorie <dj@redhat.com>
2394 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2395 pointer type, not just the default pointer type.
2397 2012-01-09 Richard Henderson <rth@redhat.com>
2398 Denis Chertykov <chertykov@gmail.com>
2401 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2402 * config/avr/avr.c (avr_can_eliminate): Simplify.
2403 (avr_initial_elimination_offset): Likewise.
2404 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2405 (expand_epilogue): Likewise.
2406 (avr_legitimize_address): Gut.
2407 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2408 (avr_hard_regno_nregs): New.
2409 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2410 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2411 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2412 add soft frame pointer.
2413 (CALL_USED_REGISTERS): Likewise.
2414 (REG_CLASS_CONTENTS): Likewise.
2415 (REGISTER_NAMES): Likewise.
2416 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2417 (HARD_FRAME_POINTER_REGNUM): New.
2418 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2419 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2420 remove the HARD_FRAME_POINTER self-elimination.
2422 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2425 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2426 DECL_EXTERNAL when checking for initializers of progmem variables.
2428 2012-01-12 Ira Rosen <irar@il.ibm.com>
2430 PR tree-optimization/51799
2431 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2432 that the last operation is a type demotion.
2434 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2436 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2437 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2439 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2442 * combine.c (distribute_notes): If i3 is a noreturn call,
2443 allow old_size to be equal to args_size and make sure the
2444 noreturn call gets REG_ARGS_SIZE note.
2445 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2446 on noreturn calls even when the delta is 0.
2448 2012-01-11 Nathan Sidwell <nathan@acm.org>
2450 * gcov.c (STRING_SIZE): Remove.
2451 (generate_results): Erase annotations for source files with no
2452 coverage information.
2454 (output_lines): Use it.
2456 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2458 * gimple.h (gimplify_body): Remove first argument.
2459 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2460 pointer set here, instead just pass DATA to walk_tree.
2461 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2462 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2463 (unvisit_body): Likewise, but with unmark_visited.
2464 (gimplify_body): Remove BODY_P argument and adjust.
2465 (gimplify_function_tree): Adjust call to gimplify_body.
2466 * omp-low.c (finalize_task_copyfn): Likewise.
2468 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2470 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2471 (build_function_type_skip_args): Delete.
2472 * tree.c (build_function_type_skip_args): Make static and add
2473 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2474 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2475 pass it to build_function_type_skip_args.
2476 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2477 (tree_function_versioning): Likewise.
2478 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2479 build_function_decl_skip_args.
2480 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2481 and pass it to build_function_decl_skip_args/tree_function_versioning.
2482 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2483 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2484 * trans-mem.c (ipa_tm_create_version): Likewise.
2485 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2486 * tree-inline.c (declare_return_variable): Remove always-true test.
2487 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2488 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2489 * ipa-split.c (split_function): Skip the return value for the split
2490 part if it doesn't return.
2492 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2494 PR tree-optimization/49642
2495 * ipa-split.c (forbidden_dominators): New variable.
2496 (check_forbidden_calls): New function.
2497 (dominated_by_forbidden): Likewise.
2498 (consider_split): Check for forbidden dominators.
2499 (execute_split_functions): Initialize and free forbidden
2500 dominators info; call check_forbidden_calls.
2502 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2504 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2506 2012-01-11 Nick Clifton <nickc@redhat.com>
2508 * config/rx/rx.md (return): Define pattern.
2510 2012-01-11 Richard Guenther <rguenther@suse.de>
2512 * doc/extend.texi (malloc attribute): Adjust according to
2515 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2516 Patrick Marlier <patrick.marlier@gmail.com>
2519 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2520 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2521 (ipa_tm_note_irrevocable): Same.
2522 (ipa_tm_scan_irr_block): Same.
2523 (ipa_tm_decrement_clone_counts): Same.
2524 (ipa_tm_scan_irr_function): Same.
2525 (ipa_tm_create_version_alias): Same.
2526 (ipa_tm_create_version): Same.
2527 (ipa_tm_transform_calls_redirect): Same.
2528 (ipa_tm_transform_calls): Same.
2529 (ipa_tm_transform_transaction): Same.
2530 (ipa_tm_execute): Same.
2532 2012-01-10 Richard Guenther <rguenther@suse.de>
2535 * opts.c (common_handle_option): Handle -Werror.
2537 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2539 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2542 2012-01-10 Jason Merrill <jason@redhat.com>
2544 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2547 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2549 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2550 supports R_386_TLS_GD_PLT reloc.
2551 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2552 supports R_386_TLS_LDM_PLT reloc.
2553 * configure: Regenerate.
2554 * config.in: Regenerate.
2556 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2559 Extend __pgmx semantics to linearize memory.
2560 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2561 determine if code comes inline or from libgcc.
2562 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2563 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2564 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2565 (movmemx_qi, movmemx_hi): New insns.
2566 (xload_<mode>_libgcc): Rewrite to new insn condition.
2567 (xload_<mode>): Remove insns.
2568 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2569 cases that don't satisfy avr_xload_libgcc_p().
2570 (avr_addr_space_convert): Allow converting in any direction.
2571 (avr_addr_space_subset_p): Return always true.
2572 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2573 (avr_emit_movmemhi): Ditto.
2574 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2575 (avr_out_movmem): Ditto.
2576 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2577 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2578 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2579 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2580 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2582 2012-01-10 Richard Guenther <rguenther@suse.de>
2584 PR tree-optimization/50913
2585 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2586 Require data-refs to be representable by Graphite with respect
2589 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2591 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2592 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2594 2012-01-10 Tom de Vries <tom@codesourcery.com>
2596 PR rtl-optimization/51271
2597 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2598 handling annulled branch.
2600 2012-01-10 Richard Henderson <rth@redhat.com>
2602 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2603 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2604 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2605 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2606 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2607 arm_expand_vec_perm_const): New.
2608 * config/arm/arm-protos.h: Update.
2609 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2610 (*neon_vswp<VDQX>): New.
2611 (neon_vcombine<VDX>): Use neon_split_vcombine.
2612 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2613 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2614 (vec_perm<VE>): New.
2616 2012-01-10 Richard Henderson <rth@redhat.com>
2618 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2619 use it if reload_completed.
2620 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2621 arm_output_asm_insn, arm_process_output_memory_barrier,
2622 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2623 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2624 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2625 arm_process_output_sync_insn, arm_output_sync_insn,
2626 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2627 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2628 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2629 (emit_unlikely_jump): New.
2630 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2631 (arm_split_atomic_op): New.
2632 * config/arm/arm-protos.h: Update.
2633 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2634 (struct arm_sync_generator): Remove.
2635 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2636 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2637 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2638 (VUNSPEC_LL, VUNSPEC_SC): New.
2639 (sync_result, sync_memory, sync_required_value, sync_new_value,
2640 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2641 (attr length): Don't use arm_sync_loop_insns.
2642 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2643 (movsfcc, movdfcc): Likewise.
2644 * config/arm/constraints.md (Ua): New.
2645 * config/arm/prediates.md (mem_noofs_operand): New.
2646 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2647 (sync_clobber, sync_t2_reqd): Remove.
2648 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2649 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2650 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2651 (arm_sync_compare_and_swap<SIDI>): Remove.
2652 (arm_sync_compare_and_swap<NARROW>): Remove.
2653 (arm_sync_lock_test_and_set<SIDI>): Remove.
2654 (arm_sync_lock_test_and_set<NARROW>): Remove.
2655 (arm_sync_new_<syncop><SIDI>): Remove.
2656 (arm_sync_new_<syncop><NARROW>): Remove.
2657 (arm_sync_new_nand<SIDI>): Remove.
2658 (arm_sync_new_nand<NARROW>): Remove.
2659 (arm_sync_old_<syncop><SIDI>): Remove.
2660 (arm_sync_old_<syncop><NARROW>): Remove.
2661 (arm_sync_old_nand<SIDI>): Remove.
2662 (arm_sync_old_nand<NARROW>): Remove.
2663 (*memory_barrier): Merge arm_output_memory_barrier.
2664 (atomic_compare_and_swap<QHSD>): New.
2665 (atomic_compare_and_swap<NARROW>_1): New.
2666 (atomic_compare_and_swap<SIDI>_1): New.
2667 (atomic_exchange<QHSD>): New.
2668 (cas_cmp_operand, cas_cmp_str): New.
2669 (atomic_op_operand, atomic_op_str): New.
2670 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2671 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2672 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2673 (arm_load_exclusive<NARROW>): New.
2674 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2675 (arm_store_exclusive<QHSD>): New.
2677 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2679 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2680 reload patterns if -mvsx-scalar-memory.
2682 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2683 generated, even -mno-vsx-scalar-double was used.
2684 (vsx_xscvdpsp_scalar): Likewise.
2685 (vsx_xscvspdp_scalar2): Likewise.
2687 2012-01-09 Tom de Vries <tom@codesourcery.com>
2688 Andrew Pinski <apinski@cavium.com>
2691 * reorg.c (fill_slots_from_thread): Don't speculate
2692 frame-related insns.
2694 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2696 * sched-int.h (bb_note): Move to...
2697 * basic-block.h: ...here.
2698 * haifa-sched.c (bb_note): Move to...
2699 * cfgrtl.c: ...here.
2700 * function.c (next_block_for_reg): New function.
2701 (move_insn_for_shrink_wrap): Likewise.
2702 (prepare_shrink_wrap): Rewrite to use the above.
2704 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2706 * gimple.c (is_gimple_non_addressable): Remove.
2707 * gimple.h: Remove is_gimple_non_addressable.
2708 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2709 is_gimple_non_addressable.
2710 * trans-mem.c (expand_assign_tm): Same.
2712 2012-01-09 Richard Guenther <rguenther@suse.de>
2714 PR tree-optimization/51775
2715 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2716 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2718 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2720 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2722 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2724 2012-01-09 Richard Guenther <rguenther@suse.de>
2726 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2728 2012-01-08 Jan Hubicka <jh@suse.cz>
2730 PR tree-optimize/51680
2731 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2732 on when known_vals needs to be computed; cleanup.
2734 2012-01-08 Jan Hubicka <jh@suse.cz>
2736 PR tree-optimize/51694
2737 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2739 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2741 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2742 for -std=c++98 and -std=c++11 too.
2744 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2746 * cfgloop.c (cancel_loop): Add free() of bbs array.
2748 2012-01-07 Jan Hubicka <jh@suse.cz>
2750 PR tree-optimization/51600
2751 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2752 that benefits small functions.
2754 2012-01-07 Jan Hubicka <jh@suse.cz>
2756 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2758 2012-01-07 Jan Hubicka <jh@suse.cz>
2760 PR tree-optimization/51680
2761 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2762 whose inlining reduce unit size.
2764 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2767 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2768 Add canonical node to containing_mem chain after the non-canonical
2769 one, even if there weren't any locs to propagate.
2770 (remove_useless_values): Keep only canonical values.
2771 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2772 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2773 canonicalize mem_chain elements that are not discarded.
2775 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2778 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2779 before emitting functions.
2781 PR gcov-profile/50127
2782 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2783 clear_aux_for_blocks.
2785 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2788 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2790 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2792 * c-decl.c (ext_block): Moved up.
2793 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2795 2012-01-06 Han Shen <shenhan@google.com>
2797 Translate built-in include paths for sysroot.
2798 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2799 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2801 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2802 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2804 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2805 control whether sysroot should be prepended to gxx include dir.
2807 * configure: Regenerate.
2809 2012-01-06 Torvald Riegel <triegel@redhat.com>
2811 PR rtl-optimization/51771
2812 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2813 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2815 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2817 PR tree-optimization/51315
2818 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2819 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2821 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2824 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2825 for shrp pattern. Correctly handle and fixup shift variable.
2826 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2828 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2831 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2832 note when !ACCUMULATE_OUTGOING_ARGS.
2834 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2836 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2838 (extract_range_from_unary_expr_1): Avoid useless computations.
2840 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2842 PR rtl-optimization/51767
2843 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2844 of jump_block and add an extra edge for degenerated asm gotos.
2847 * stmt.c (check_unique_operand_names): Don't ICE during error
2848 reporting if i is from labels chain.
2851 * profile.c (branch_prob): Split bbs that have exit edge
2852 and need a fake entry edge too.
2854 2012-01-05 Jan Hubicka <jh@suse.cz>
2857 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2860 2012-01-05 Richard Guenther <rguenther@suse.de>
2863 * tree-streamer-out.c (write_ts_optimization): New function.
2864 (streamer_write_tree_body): Call it.
2865 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2866 (streamer_read_tree_body): Call it.
2867 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2869 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2872 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2873 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2874 in_cleanup_point_expr before gimplify_stmt call and restore it
2876 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2877 in_cleanup_point_expr is false.
2879 2012-01-05 Richard Guenther <rguenther@suse.de>
2882 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2884 * toplev.c (process_options): Reject combining mudflap and LTO.
2885 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2887 2012-01-05 Richard Guenther <rguenther@suse.de>
2889 PR tree-optimization/51760
2890 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2892 (bit_value_unop): Handle UNDEFINED operands.
2893 (bit_value_binop): Likewise.
2895 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2897 * config/avr/avr.c (avr_replace_prefix): Remove.
2898 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2899 (avr_asm_function_rodata_section): Ditto.
2900 (avr_asm_select_section): Ditto.
2902 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2904 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2907 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2910 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2911 calls that have any non-fake successor edges.
2914 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2916 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2918 PR tree-optimization/51624
2919 * tree-sra.c (build_ref_for_model): When replicating a chain of
2920 COMPONENT_REFs, stop as soon as the offset would become negative.
2922 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2925 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2926 in .debug_loc on the floor.
2928 2012-01-04 Andrew Pinski <apinski@cavium.com>
2930 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2932 2012-01-04 Andrew Pinski <apinski@cavium.com>
2933 Adam Nemet <anemet@caviumnetworks.com>
2935 * config/mips/mips.md (size): Add SI and DI.
2936 (SIZE): New mode attribute.
2937 (U): New code attribute.
2938 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2939 (mips_lbux_<mode>): Delete.
2940 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2941 (mips_lhx): Use gen_mips_lhx_extsi.
2942 (mips_lhx_<mode>): Delete.
2944 (mips_l<size>x): New expand.
2945 (mips_lwx_<mode>): Delete.
2946 (mips_l<GPR:size>x_<P:mode>): New pattern.
2947 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2948 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2949 * config/mips/mips.c (mips_lx_address_p): New function.
2950 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2951 (dsp64): New availability predicate.
2952 (mips_builtins): Add an entry for __builtin_mips_ldx.
2953 * config/mips/mips.h (ISA_HAS_LBX): New define.
2954 (ISA_HAS_LBUX): Likewise.
2955 (ISA_HAS_LHX): Likewise.
2956 (ISA_HAS_LHUX): Likewise.
2957 (ISA_HAS_LWX): Likewise.
2958 (ISA_HAS_LWUX): Likewise.
2959 (ISA_HAS_LDX): Likewise.
2960 * doc/extend.texi (__builtin_mips_ldx): Document.
2962 2012-01-04 Tristan Gingold <gingold@adacore.com>
2964 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2965 when long pointers are used.
2966 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2967 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2968 (ia64-hp-*vms*): Remove.
2969 * config/vms/xm-vms64.h: Delete.
2971 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2974 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2976 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2978 * opts.c (finish_options): Remove duplicate sorry.
2980 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2983 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2986 2012-01-04 Richard Guenther <rguenther@suse.de>
2989 * tree.c (size_low_cst): New function.
2990 * tree.h (size_low_cst): Declare.
2991 * fold-const.c (fold_comparison): Use it to extract the low
2992 part of the POINTER_PLUS_EXPR offset.
2994 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2996 Fix clearing ZERO_REG
2997 * config/avr/avr.md (cc): Add alternative "ldi".
2998 (movqi_insn): Use it in cc attribute.
2999 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3000 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3001 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3003 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3005 * configure: Regenerate.
3007 2012-01-04 Richard Guenther <rguenther@suse.de>
3009 PR tree-optimization/49651
3010 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3011 (var_can_have_subvars): Use it.
3012 (get_constraint_for_1): Only consider subfields if there can be any.
3014 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3017 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3018 to its new canonical_cselib_val and the cselib_val was in
3019 first_containing_mem chain, but the canonical_cselib_val was not,
3020 add the latter into the chain.
3021 (cselib_invalidate_mem): Compare canonical_cselib_val of
3022 addr_list chain elt with v.
3025 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3026 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3028 (output_macinfo_op): Don't ggc_strdup fd->filename.
3029 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3030 then ggc_strdup it. Don't free inc->info or cur->info.
3031 (output_macinfo): Don't free ref->info or file->info.
3033 2012-01-03 Ira Rosen <irar@il.ibm.com>
3035 PR tree-optimization/51269
3036 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3037 first_niters a pointer.
3038 (slpeel_tree_peel_loop_to_edge): Likewise.
3039 (vect_do_peeling_for_loop_bound): Update call to
3040 slpeel_tree_peel_loop_to_edge.
3041 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3042 here. Remove it from the parameters list.
3043 (vect_do_peeling_for_alignment): Update calls and compute
3046 2012-01-03 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/51070
3049 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3050 Properly handle calls.
3052 2012-01-03 Richard Guenther <rguenther@suse.de>
3054 PR tree-optimization/51692
3055 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3056 the LHS of allocation stmts.
3058 2012-01-03 Olivier Hainque <hainque@adacore.com>
3060 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3062 2012-01-03 Olivier Hainque <hainque@adacore.com>
3064 * collect2.c (main): In AIX specific computations for vector
3065 insertions, use CONST_CAST2 to cast from char ** to const char **.
3067 2012-01-03 Richard Guenther <rguenther@suse.de>
3070 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3071 the context of a limbo DIE when it does not already exist.
3073 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3075 PR tree-optimization/51719
3076 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3077 but direct call is, clear direct call's lhs and don't add fallthrough
3078 edge from dcall_bb to join_bb and PHIs.
3080 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3082 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3083 the instructions emitted by the pattern.
3084 ("*TDC_insn_<mode>"): Add comment.
3086 2012-01-03 Richard Guenther <rguenther@suse.de>
3089 * fold-const.c (fold_comparison): Properly canonicalize
3090 tree offset and HOST_WIDE_INT bit position.
3092 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3094 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3095 operands for extzv pattern.
3097 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3100 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3103 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3105 * doc/invoke.texi (-flto and related options): Copy-edit.
3107 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3109 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3111 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3113 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3116 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3118 * expr.h (move_by_pieces_ninsns): Declare.
3119 * expr.c (move_by_pieces_ninsns): Make external.
3120 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3121 (mips_store_by_pieces_p): Likewise.
3122 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3123 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3124 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3125 (mips_store_by_pieces_p): Likewise.
3127 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3129 * passes.c (register_one_dump_file): Free full_name.
3131 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3132 (calculate_elim_costs_all_insns): Free offsets_at and
3133 offsets_known_at at the end and clear the pointers.
3135 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3137 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3138 this option introduced in r180739.
3140 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3143 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3144 (tmake_file target=avr): Add avr/t-multilib.
3146 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3147 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3148 * config/avr/genmultilib.awk: New file.
3149 * config/avr/t-multilib: New auto-generated file.
3150 * config/avr/multilib.h: New auto-generated file.
3151 * config/avr/t-avr (AVR_MCUS): New variable.
3152 (genopt.sh): Use it.
3153 (s-mlib): Depend on t-multilib.
3154 (t-multilib, multilib.h): New dependencies.
3155 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3156 (MULTILIB_OPTIONS): Remove.
3157 (MULTILIB_MATCHES): Remove.
3158 (MULTILIB_DIRNAMES): Remove.
3159 (MULTILIB_EXCEPTIONS): Remove:
3160 * config/avr/genopt.sh: Don't use hard coded file name;
3161 pass AVR_MCUS from t-avr instead.
3163 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3165 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3167 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3169 Implement light-weight DImode support.
3170 * config/avr/avr-dimode.md: New file.
3171 * config/avr/avr.md: Include it.
3172 (adjust_len): Add plus64, compare64.
3173 (HIDI): Remove code iterator.
3174 (code_stdname): New code attribute.
3175 (rotx, rotsmode): Remove DI.
3176 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3178 * config/avr/avr-protos.h (avr_have_dimode): New.
3179 (avr_out_plus64, avr_out_compare64): New.
3180 * config/avr/avr.c (avr_out_compare): Handle DImode.
3181 (avr_have_dimode): New variable definition and initialization.
3182 (avr_out_compare64, avr_out_plus64): New functions.
3183 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3184 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3185 (avr_compare_pattern): Skip DImode comparisons.
3187 2012-01-02 Revital Eres <revital.eres@linaro.org>
3189 * ddg.c (def_has_ccmode_p): New function.
3190 (add_cross_iteration_register_deps,
3191 create_ddg_dep_from_intra_loop_link): Call it.
3193 2012-01-02 Richard Guenther <rguenther@suse.de>
3196 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3198 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3200 * gcc.c (process_command): Update copyright notice dates.
3201 * gcov.c (print_version): Likewise.
3202 * gcov-dump.c (print_version): Likewise.
3203 * mips-tfile.c (main): Likewise.
3204 * mips-tdump.c (main): Likewise.
3206 2012-01-01 Ira Rosen <irar@il.ibm.com>
3208 PR tree-optimization/51704
3209 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3210 a use is inside the basic block or loop before accessing its vect info.
3212 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3214 PR rtl-optimization/51069
3215 * cfgloopmanip.c (remove_path): Removing path making irreducible
3216 region unconditional makes BB part of the region.
3218 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3220 PR tree-optimization/51683
3221 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3222 calls with side-effects.
3223 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3225 Copyright (C) 2012 Free Software Foundation, Inc.
3227 Copying and distribution of this file, with or without modification,
3228 are permitted in any medium without royalty provided the copyright
3229 notice and this notice are preserved.