1 2012-02-29 Jakub Jelinek <jakub@redhat.com>
4 * df.h (struct df_d): Adjust comment that hard_regs_live_count
5 doesn't count DEBUG_INSN refs.
6 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
9 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
13 2012-02-20 Richard Guenther <rguenther@suse.de>
14 PR tree-optimization/52298
15 * tree-vect-stmts.c (vectorizable_load): Properly use
16 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
19 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
22 * gimple.h (gimple_in_transaction): New.
23 (gimple_set_in_transaction): New.
24 (struct gimple_statement_base): Add in_transaction field.
25 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
27 (tree_ssa_lim_initialize): Compute transaction bits.
28 * tree.h (compute_transaction_bits): Protoize.
29 * trans-mem.c (tm_region_init): Use the heap to store BB
31 (compute_transaction_bits): New.
33 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
35 * gcc.c (display_help): Document --help=common and sort entries
38 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
40 * doc/install.texi: Document check-$LANG specific shortcuts
42 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
45 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
47 * config/arm/arm_neon.h: Regenerate.
48 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
49 (neon_vcgeu): New insn.
50 (neon_vcgtu): Likewise.
51 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
52 (ops): Unsigned comparison intrinsics call a different
55 2012-02-28 Richard Guenther <rguenther@suse.de>
58 * config/i386/i386.c (ix86_expand_vector_set): Fix element
59 ordering for the VEC_CONCAT for two element vectors for
60 V2SFmode, V2SImode and V2DImode.
62 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
65 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
66 detecting big-endian triplets.
68 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
70 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
71 mode if there is no type information available.
73 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
75 PR tree-optimization/53207
76 * doc/invoke.texi: Document as experimental and relying on graphite.
78 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
80 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
81 of initializer to changes from r184614.
83 2012-02-28 Richard Guenther <rguenther@suse.de>
85 PR tree-optimization/52395
86 * tree-sra.c (build_ref_for_offset): Also look at the base
87 TYPE_ALIGN when figuring out the alignment of the replacement.
89 2012-02-28 Richard Guenther <rguenther@suse.de>
91 PR tree-optimization/52402
92 * ipa-prop.c (ipa_modify_call_arguments): Properly use
93 mis-aligned types when creating the accesses at the call site.
95 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
97 * config/avr/builtins.def: New file.
98 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
99 * config/avr/avr.c (enum avr_builtin_id): Use it.
100 (avr_init_builtins): Use it. And use avr_bdesc.
101 (bdesc_1arg): Remove.
102 (bdesc_2arg): Remove.
103 (bdesc_3arg): Remove.
104 (struct avr_builtin_description): Add field n_args.
105 (avr_bdesc): New static variable using builtins.def.
106 (avr_expand_builtin): Use it.
107 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
108 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
109 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
111 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
114 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
115 match only one single hard register with respective hard reg rtx.
116 (movmemx_<mode>): Ditto.
117 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
118 insn anatomy of movmem[x]_<mode>.
119 (avr_out_movmem): Same for printing assembler and operand usage.
121 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
125 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
126 address spaces located outside of device flash.
128 * config/avr/avr.h (base_arch_s): Remove field n_segments.
129 (mcu_type_s): Add field n_flash.
130 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
131 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
132 (AVR_MCU): Add N_FLASH argument.
133 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
134 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
135 macro __FLASH<n> if that address space makes sense for the device.
136 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
137 outside of target flash.
138 (avr_asm_named_section): Ditto.
139 (avr_asm_select_section): Ditto.
140 (avr_addr_space_convert): Ditto.
141 (avr_emit_movmemhi): Ditto.
142 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
143 address space is outside of device flash.
144 (avr_insert_attributes): Ditto.
145 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
146 avr_current_arch->n_segments.
148 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
151 * config/i386/i386.md (*movabs<mode>_1): Enable only for
153 (*movabs<mode>_2): Likewise.
155 2012-02-27 Jakub Jelinek <jakub@redhat.com>
158 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
159 s_register_operand in the test instead of REG_P. Don't call
160 gen_reg_rtx if it won't be used.
162 PR tree-optimization/52376
163 * ipa-split.c (split_function): Ignore CLOBBER stmts.
165 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
167 * ifcvt.c (noce_get_condition): Check condition variable is not
168 small_register_classes_for_mode_p before accepting.
170 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
172 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
174 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
177 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
178 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
180 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
182 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
184 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
186 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
188 * config/sh/predicates.md: Remove blank lines.
189 * config/sh/sh.c: Fix typos in comments.
190 * config/sh/constraints.md: Likewise.
191 * config/sh/sh.md: Remove blank lines.
192 Fix typos in comments. Use ;; as comment characters.
194 2012-02-26 Walter Lee <walt@tilera.com>
196 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
197 (replace_mov_pcrel_step2): Ditto.
199 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
202 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
203 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
204 and locs that reference values newer than the non-canonical value
205 at hand. Return the canonical value as a worst case.
206 (memrefs_conflict_p): Walk canonical value's locs.
209 * cselib.c (preserve_only_constants): Rename to...
210 (preserve_constants_and_equivs): ... this. Split out...
211 (invariant_or_equiv_p): ... this. Preserve plus expressions
212 of other preserved expressions too.
213 (cselib_reset_table): Adjust.
214 * var-tracking.c (reverse_op): Use canonical value to build
217 2012-02-23 Kai Tietz <ktietz@redhat.com>
219 * config/i386/i386.c (ix86_delegitimize_address): Handle
220 UNSPEC_PCREL plus displacement.
222 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
225 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
226 to test for unusedness in st X addressing.
228 2012-02-24 Richard Guenther <rguenther@suse.de>
231 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
232 (is_gimple_reg_type): Move inline ...
233 * gimple.h (is_gimple_reg_type): ... here.
235 2012-02-24 Richard Guenther <rguenther@suse.de>
238 * passes.c (execute_function_todo): When verifying SSA form
239 verify gimple form first.
240 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
242 2012-02-24 Richard Guenther <rguenther@suse.de>
245 * fold-const.c (fold_addr_of_array_ref_difference): New function.
246 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
248 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
250 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
252 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
254 * tree-phinodes.c (make_phi_node): Mark static.
255 * tree-flow.h (make_phi_node): Remove extern decl.
256 * doc/gimple.texi (make_phi_node): Remove documentation.
258 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
260 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
261 * tree-ssa-sccvn.c (print_scc): Ditto.
263 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
265 * doc/passes.texi (Full redundancy elimination): Fix typo.
267 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
269 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
271 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
274 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
276 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
279 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
281 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
283 * config/avr/avr.md (code_stdname): Add ior, xor.
284 (xior): New code iterator.
285 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
286 (*<code_stdname><mode>qi.byte1-3): Ditto.
288 2012-02-23 Jakub Jelinek <jakub@redhat.com>
290 PR tree-optimization/52019
291 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
294 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
296 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
297 HAVE_INITFINI_ARRAY to work around namespace pollution in
298 certain versions of newlib system headers.
299 * config.in: Regenerate.
300 * configure: Regenerate.
301 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
302 instead of HAVE_INITFINI_ARRAY.
304 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
307 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
308 is not offsettable memory reference.
310 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
313 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
314 setting avr_need_clear_bss_p for __gnu_lto* symbols.
316 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
318 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
319 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
321 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
323 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
324 library on Solaris 8 even without TLS support.
325 * configure: Regenerate.
327 2012-02-22 Richard Guenther <rguenther@suse.de>
330 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
331 for GIMPLE_DEBUG stmts.
333 2012-02-22 Martin Jambor <mjambor@suse.cz>
336 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
337 according to the base object.
339 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
341 PR rtl-optimization/50063
342 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
343 and 2 (8-bit SP) in operand 2.
344 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
345 setup to use movhi_sp_r instead of vanilla move to write SP.
346 Adjust REG_CFA notes to superseed unspec.
347 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
349 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
350 known to be off) only with TARGET_NO_INTERRUPTS. Never use
351 irq_state 1 (IRQ known to be on) here.
353 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
355 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
357 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
358 assign_hard_reg): Likewise.
360 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
362 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
364 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
367 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
368 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
370 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
372 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
373 prototype from here to...
374 * config/avr/avr.h: ...here.
376 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
379 * thumb2.md (thumb2_shiftsi3_short): Split register and
380 immediate shifts. For register shifts tie operands 0 and 1.
381 (peephole2 for above): Check that register-controlled shifts
382 have suitably tied operands.
384 2012-02-21 Quentin Neill <quentin.neill@amd.com>
387 * config/i386/bdver1.md (bdver1_call, bdver1_push,
388 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
389 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
390 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
391 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
392 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
393 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
394 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
395 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
396 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
397 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
398 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
399 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
400 bdver1_ssevector_avx256_unaligned_load,
401 bdver1_ssevector_sse128_unaligned_load,
402 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
403 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
404 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
405 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
406 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
407 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
408 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
409 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
410 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
411 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
412 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
413 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
414 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
415 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
416 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
417 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
418 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
419 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
420 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
421 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
422 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
423 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
424 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
425 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
426 bdver1_ssediv_double_load, bdver1_ssediv_double,
427 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
428 Add "bdver2" attribute.
430 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
432 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
433 default if possible and not specified otherwise.
435 2012-02-21 Richard Guenther <rguenther@suse.de>
438 * gimplify.c (create_tmp_from_val): Use the main variant type
439 for the type of the temporary we create.
441 2012-02-21 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/52324
444 * gimplify.c (gimplify_expr): When re-gimplifying expressions
445 do not gimplify a MEM_REF address operand if it is already
448 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
450 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
451 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
453 2012-02-21 Richard Guenther <rguenther@suse.de>
455 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
458 2012-02-21 Jakub Jelinek <jakub@redhat.com>
460 PR tree-optimization/52318
461 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
462 vdef also to non-pure/const call stmts in the sequence.
464 2012-02-20 David S. Miller <davem@davemloft.net>
466 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
467 don't use the "rd %pc" instruction on v9 for PIC register loads.
469 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
472 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
473 in a transaction safe function.
475 2012-02-20 Kai Tietz <ktietz@redhat.com>
478 * stor-layout.c (place_field): Handle desired_align for
481 2012-02-20 Richard Guenther <rguenther@suse.de>
483 PR tree-optimization/52298
484 * tree-vect-stmts.c (vectorizable_store): Properly use
485 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
487 (vectorizable_load): Likewise.
488 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
489 Access DR_STEP after ensuring it is not NULL.
491 2012-02-20 Jakub Jelinek <jakub@redhat.com>
493 PR tree-optimization/52286
494 * fold-const.c (fold_binary_loc): For (X & C1) | C2
495 optimization use double_int_to_tree instead of build_int_cst_wide,
496 rewrite to use double_int vars.
498 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
501 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
503 Remove -e 0 from $gcc_cv_ld invocation.
504 Only use __GLIBC_PREREQ if defined.
505 Enable on Solaris since Solaris 8 patch.
506 (gcc_SUN_LD_VERSION): New macro.
507 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
508 gcc_SUN_LD_VERSION for version number format.
509 * configure: Regenerate.
510 * varasm.c (get_elf_initfini_array_priority_section): Set
511 SECTION_NOTYPE for non-default priority.
512 Use get_section instead of get_unnamed_section to emit
513 .init_array/.fini_array with default priority.
515 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
517 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
518 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
519 (mips_start_unique_function, mips_output_mips16_rdhwr)
520 (mips_code_end): New functions.
521 (TARGET_ASM_CODE_END): Define.
523 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
525 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
526 to stubs with non-sibling calls.
528 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
530 * doc/invoke.texi (-fira-* options): Copy-edit.
531 (ira-* parameters): Copy-edit.
533 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
535 * doc/invoke.texi: Minor copy-edits to bring into conformance with
536 GCC coding conventions.
538 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
540 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
541 when used as adjectives.
543 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
545 * doc/invoke.texi: Clean up "that"/"which" confusion.
547 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
549 * system.h: Poison SMALL_REGISTER_CLASSES
550 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
551 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
553 2012-02-16 Jakub Jelinek <jakub@redhat.com>
555 PR tree-optimization/52285
556 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
557 when deciding if a call is a tail call or tail recursion.
559 2012-02-16 Kai Tietz <ktietz@redhat.com>
561 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
562 interger-constant displacement for UNSPEC_PCREL.
564 2012-02-16 Jakub Jelinek <jakub@redhat.com>
566 PR rtl-optimization/52208
567 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
568 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
570 PR tree-optimization/52255
571 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
572 loop->header has virtual PHI, but exit_e->dest doesn't, add
573 virtual PHI to exit_e->dest and adjust all uses after the loop.
576 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
577 children with clone_tree_hash, not after it.
579 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
581 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
582 extended identifiers.
584 2012-02-16 Jakub Jelinek <jakub@redhat.com>
587 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
588 a same_body_alias, also test whether e->callee isn't a former
589 or current clone of the decl this is a same body alias of.
592 * cgraphunit.c (verify_cgraph_node): Fix a typo.
594 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
596 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
598 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
601 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
602 force_reg instead of copy_to_reg for better optimization. Force
603 non-register or memory operands into a register.
605 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
607 * extend.texi: Reserve upper bits of memory model for future use.
609 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
610 Anatoly Sokolov <aesok@post.ru>
611 Eric Weddington <eric.weddington@atmel.com>
614 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
615 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
616 Rewrite initializers for .macro.
617 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
618 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
619 atxmega32d4, atxmega32x1.
620 avrxmega4: atxmega64a3, atxmega64d3.
621 avrxmega5: atxmega64a1, atxmega64a1u.
622 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
623 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
624 avrxmega7: atxmega128a1, atxmega128a1u.
625 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
626 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
627 (struct base_arch_s): Rename reserved to xmega_p.
628 Rename reserved2 to have_rampd.
629 (AVR_XMEGA): New define.
630 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
631 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
632 * config/avr/predicates.md (io_address_operand): Take into
634 (low_io_address_operand): Ditto.
635 (high_io_address_operand): Ditto.
636 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
637 (enabled, movhi_sp_r): Use them.
638 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
639 cpp_define_formatted to built-in define __AVR_ARCH__.
640 (__AVR_XMEGA__): New built-in define.
641 (__AVR_HAVE_RAMPD__): New built-in define.
642 (__AVR_HAVE_RAMPX__): New built-in define.
643 (__AVR_HAVE_RAMPY__): New built-in define.
644 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
646 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
647 (avr_option_override): Initialize them.
648 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
649 (avr_init_expanders): Initialize them. No more block several calls.
650 (emit_push_sfr): New static function.
651 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
653 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
654 (avr_print_operand): Print addreeses as symbols for
655 RAMPX, RAMPY, RAMPD, CCP.
656 (output_movhi): Handle AVR_XMEGA when writing to SP.
657 (avr_out_movhi_mr_r_xmega): New static function.
658 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
659 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
660 __RAMPD__, __CCP__ as needed.
662 * config/avr/multilib.h: Regenerate.
663 * config/avr/t-multilib: Regenerate.
664 * config/avr/avr-tables.opt: Regenerate.
666 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
668 PR tree-optimization/50561
669 * graphite-flattening.c (lst_project_loop): Do not
670 remove old scattering dimensions after flattening.
671 (lst_do_flatten): Likewise.
673 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
675 * doc/extend.texi (AVR Built-in Functions): Remove doc for
676 __builtin_avr_map8, __builtin_avr_map16.
677 Document __builtin_avr_insert_bits.
679 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
680 (insert_bits): New insn.
681 (adjust_len.map_bits): Rename to insert_bits.
682 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
683 * avr-protos.h (avr_out_map_bits): Remove.
684 (avr_out_insert_bits, avr_has_nibble_0xf): New.
685 * config/avr/constraints.md (Cxf,C0f): New.
686 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
687 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
688 New built-in define __BUILTIN_AVR_INSERT_BITS.
689 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
690 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
691 (avr_move_bits): Rewrite.
692 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
694 (avr_map_op_t): New typedef.
695 (avr_map_op): New static variable.
696 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
697 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
698 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
699 (bdesc_3arg, avr_expand_triop_builtin): New.
700 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
701 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
702 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
703 (avr_map_equal_p, avr_map_sig_p): Remove.
704 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
705 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
706 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
707 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
708 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
709 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
711 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
713 * config/c6x/c6x.md (reserve_cycles): New attribute.
714 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
715 don't reserve functional units after the branch occurs.
717 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
720 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
721 functions into non-tm_pure functions.
723 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
726 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
727 (iterative_hash_canonical_type): Likewise.
728 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
731 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
733 * haifa-sched.c (prune_ready_list): Ensure that if there is a
734 sched-group insn, it either remains alone or the entire list is pruned.
736 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
738 * doc/install.texi (Prerequisites): Fix grammar.
739 (Configuration): Likewise.
741 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
743 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
744 MPC as part of GCC before describing configuring with --with-gmp etc.
745 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
748 2012-02-14 Jakub Jelinek <jakub@redhat.com>
751 * dwarf2out.c (clone_tree_hash): New function.
752 (copy_decls_walk): Use it instead of clone_tree.
754 2012-02-14 Richard Guenther <rguenther@suse.de>
756 PR tree-optimization/52244
757 PR tree-optimization/51528
758 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
759 replacements for integral types.
761 2012-02-14 Walter Lee <walt@tilera.com>
763 * config.gcc: Handle tilegx and tilepro.
764 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
766 Add HAVE_AS_TLS check for tilegx and tilepro.
767 * configure: Regenerate.
768 * doc/contrib.texi: Add Mat Hostetter and self.
769 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
770 Document instruction intrinsics and network accessing intrinsics.
771 (TILEPro Built-in Functions): New node. Document instruction
772 intrinsics and network accessing intrinsics.
773 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
774 (Specific, tilepro-*-linux*): Likewise.
775 * doc/invoke.texi (TILE-Gx Options): New section.
776 (TILEPro Options): New section.
777 * doc/md.texi (TILE-Gx): New section.
778 (TILEPro): New section.
779 * common/config/tilegx/tilegx-common.c: New file.
780 * common/config/tilepro/tilepro-common.c: New file.
781 * config/tilegx/constraints.md: New file.
782 * config/tilegx/linux.h: New file.
783 * config/tilegx/mul-tables.c: New file.
784 * config/tilegx/predicates.md: New file.
785 * config/tilegx/sync.md: New file.
786 * config/tilegx/t-tilegx: New file.
787 * config/tilegx/tilegx-builtins.h: New file.
788 * config/tilegx/tilegx-c.c: New file.
789 * config/tilegx/tilegx-generic.md: New file.
790 * config/tilegx/tilegx-modes.def: New file.
791 * config/tilegx/tilegx-multiply.h: New file.
792 * config/tilegx/tilegx-protos.h: New file.
793 * config/tilegx/tilegx.c: New file.
794 * config/tilegx/tilegx.h: New file.
795 * config/tilegx/tilegx.md: New file.
796 * config/tilegx/tilegx.opt: New file.
797 * config/tilepro/constraints.md: New file.
798 * config/tilepro/gen-mul-tables.cc: New file.
799 * config/tilepro/linux.h: New file.
800 * config/tilepro/mul-tables.c: New file.
801 * config/tilepro/predicates.md: New file.
802 * config/tilepro/t-tilepro: New file.
803 * config/tilepro/tilepro-builtins.h: New file.
804 * config/tilepro/tilepro-c.c: New file.
805 * config/tilepro/tilepro-generic.md: New file.
806 * config/tilepro/tilepro-modes.def: New file.
807 * config/tilepro/tilepro-multiply.h: New file.
808 * config/tilepro/tilepro-protos.h: New file.
809 * config/tilepro/tilepro.c: New file.
810 * config/tilepro/tilepro.h: New file.
811 * config/tilepro/tilepro.md: New file.
812 * config/tilepro/tilepro.opt: New file.
814 2012-02-14 Jakub Jelinek <jakub@redhat.com>
816 PR tree-optimization/52210
817 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
818 vect_model_simple_cost with two entry vect_def_type array instead
821 2012-02-14 Richard Guenther <rguenther@suse.de>
824 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
825 Do not stream DECL_QUALIFIER.
826 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
827 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
828 (find_decls_types_r): Do not walk DECL_QUALIFIER.
830 2012-02-14 Jakub Jelinek <jakub@redhat.com>
833 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
836 2012-02-13 Jakub Jelinek <jakub@redhat.com>
839 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
840 * cselib.c (cselib_subst_to_values_from_insn): New function.
841 * sched-deps.c (add_insn_mem_dependence,
842 sched_analyze_1, sched_analyze_2): Use it.
844 2012-02-13 Jan Hubicka <jh@suse.cz>
847 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
849 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
851 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
852 (GTM_SELF_SPECS): Define if not already defined.
853 (driver_self_specs): Add GTM_SELF_SPECS.
854 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
855 (GTM_SELF_SPECS): Define.
856 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
857 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
859 2012-02-13 Jakub Jelinek <jakub@redhat.com>
861 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
864 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
867 * omp-low.c (expand_omp_for): If a static schedule without chunk size
868 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
870 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
873 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
875 2012-02-13 Richard Guenther <rguenther@suse.de>
878 * passes.c (enable_disable_pass): Fix typo.
880 2012-02-13 Jakub Jelinek <jakub@redhat.com>
883 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
884 XOR for reduce_bit_field if type is unsigned.
886 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
888 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
889 disallow changes from SFmode to mode with different size in FP regs.
891 2012-02-12 Robert Millan <rmh@gnu.org>
892 Gerald Pfeifer <gerald@pfeifer.com>
894 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
897 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
899 PR rtl-optimization/52175
900 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
901 to frame-related instructions.
903 2012-02-10 Jason Merrill <jason@redhat.com>
906 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
907 (demangle_new_symbols): Fill it.
908 (scan_linker_output): Walk it.
909 (start_tweaking): Split out from scan_linker_output.
910 (maybe_tweak): Update sym->chosen.
911 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
913 2012-02-11 Jakub Jelinek <jakub@redhat.com>
916 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
918 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
920 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
921 having the same mode as previous compare.
923 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
925 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
926 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
927 (nonlocal_goto_internal): Likewise.
928 (nonlocal_goto): Emit a use and an indirect jump directly.
930 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
933 * doc/extend.texi : Update comments for __atomic_compare_exchange and
934 __atomic_{is,always}_lock_free.
936 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
939 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
940 negative constant address for x32.
942 2012-02-10 Richard Henderson <rth@redhat.com>
944 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
945 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
946 for GIMPLE_TRANSACTION. Tidy if's into a switch.
948 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
949 Ira Rosen <irar@il.ibm.com>
951 PR tree-optimization/50031
952 * targhooks.c (default_builtin_vectorization_cost): Handle
954 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
955 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
956 all types of reduction and pattern statements.
957 (vect_estimate_min_profitable_iters): Likewise.
958 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
959 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
960 for explicit realigns.
961 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
962 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
964 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
965 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
966 vec_perm for VSX and handle vec_promote_demote.
968 2012-02-10 Jakub Jelinek <jakub@redhat.com>
971 * builtins.c (fold_builtin_atomic_always_lock_free,
972 expand_builtin_atomic_always_lock_free,
973 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
974 Return and/or test boolean_true_node/boolean_false_node instead of
975 integer_one_node/integer_zero_node.
977 2012-02-10 Jan Hubicka <jh@suse.cz>
980 * predict.c (predict_paths_for_bb): Prevent looping.
981 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
983 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
985 * config/arm/arm.c (output_move_double): In one case properly
986 count number of instructions that will be emitted.
988 2012-02-10 Richard Guenther <rguenther@suse.de>
991 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
993 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
996 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
998 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1001 * var-tracking.c (emit_note_insn_var_location): If
1002 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1003 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1004 non-NOTE_DURING_CALL_P insn.
1006 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1009 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1011 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1014 * gcc.c (switch_matches) Support switches with separated form,
1017 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1019 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1021 (RAMPZ_ADDR): Ditto.
1022 * config/avr/avr.c (avr_addr_t): New typedef.
1023 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1024 (avr_init_expanders): Initialize it.
1025 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1027 (expand_epilogue): Ditto.
1028 (avr_print_operand): Ditto.
1029 (avr_file_start): Ditto.
1030 (avr_emit_movmemhi): Ditto.
1032 2012-02-08 Richard Guenther <rguenther@suse.de>
1034 PR tree-optimization/46886
1035 * tree-flow.h (do_while_loop_p): Declare.
1036 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1037 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1039 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1041 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1042 always succeed for integers larger than a native word.
1044 2012-02-08 Richard Guenther <rguenther@suse.de>
1046 PR rtl-optimization/52170
1047 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1048 properly handle integer vector modes.
1050 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1052 PR gcov-profile/52150
1053 * coverage.c: Include target.h.
1054 (build_var): Call targetm.strip_name_encoding on the assembler name.
1055 Change one _ into . or $ if the target allows it.
1056 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1058 PR rtl-optimization/52139
1059 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1060 is a BARRIER after emit_insn_after_noloc, move BB_END
1061 to the last non-BARRIER insn before it.
1063 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1066 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1067 (mips_gimplify_va_arg_expr): Call it instead of
1068 std_gimplify_va_arg_expr.
1070 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1072 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1073 message for -mno-pointers-to-nested-function.
1075 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1078 * expr.c (get_inner_reference): If there is an offset, add a negative
1079 bit position to it (if any).
1081 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1083 PR rtl-optimization/52060
1084 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1085 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1086 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1087 and/or i0src_copy2 when needed.
1089 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1091 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1092 or LTOPLUGINSONAME if have_c.
1094 * config/freebsd-spec.h: Add comment about what macros can be defined
1096 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1097 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1100 2012-02-07 Richard Guenther <rguenther@suse.de>
1102 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1103 newline in -alias dumps.
1105 2012-02-07 Kai Tietz <ktietz@redhat.com>
1106 Dave Korn <dave.korn.cygwin@gmail.com>
1109 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1110 Take care that typinfo gets dllexport-attribute.
1112 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1115 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1116 if modifier < EXPAND_SUM call force_operand on the result.
1118 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1120 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1121 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1123 (epiphany_function_type): Replace types for specific interrupts with
1124 EPIPHANY_FUNCTION_INTERRUPT.
1125 (EPIPHANY_INTERRUPT_P): Update.
1126 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1127 New static function.
1128 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1129 <disinterrupt>: Affects type identity.
1130 (epiphany_handle_interrupt_attribute): Handle variable number of
1132 (epiphany_compute_function_type): Update for new
1133 epiphany_function_type definition.
1134 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1135 handlers with a longcall forwarder.
1136 (epiphany_start_function): Handle multiple interrupt arguments and/or
1137 forwarder_section attribute.
1139 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1142 2012-02-07 Alan Modra <amodra@gmail.com>
1145 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1148 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1150 PR tree-optimization/50969
1151 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1152 use vec_perm rather than vector_stmt.
1153 (vect_model_load_cost): Likewise.
1154 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1155 vec_perm to be the same as other vector statements.
1156 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1157 cost of vec_perm for TARGET_VSX.
1159 2012-02-06 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/52115
1162 * tree-sra.c (access_has_replacements_p): New function.
1163 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1165 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1168 * trans-mem.c (expand_call_tm): Add an assertion.
1169 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1172 2012-02-06 Richard Guenther <rguenther@suse.de>
1174 PR tree-optimization/50955
1175 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1176 raise cost of expressions that replace an address with an
1177 expression based on a different pointer.
1179 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1182 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1183 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1185 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1188 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1189 -Weffc++ and specify guidelines come from second edition.
1191 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1193 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1194 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1195 (call_direct_split, call_value_split, call_value_internal_direct)
1196 (call_value_direct_split, call_value_multiple_split): Use jal and
1197 jal_macro attributes.
1199 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1201 * reload1.c (reload_regs_reach_end_p): Replace with...
1202 (reload_reg_rtx_reaches_end_p): ...this function.
1203 (new_spill_reg_store): Update commentary.
1204 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1205 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1206 before setting new_spill_reg_store.
1207 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1208 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1209 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1210 for non-spill reload registers.
1212 2012-02-05 Ira Rosen <irar@il.ibm.com>
1214 PR tree-optimization/52091
1215 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1216 (vect_is_simple_use_1): Likewise.
1217 * tree-vect-loop.c (vectorizable_reduction): Update calls
1218 to vect_is_simple_use_1 and vect_is_simple_use.
1219 (vectorizable_live_operation): Likewise.
1220 * tree-vect-patterns.c (widened_name_p,
1221 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1222 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1223 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1224 vectorizable_shift,vectorizable_operation, vectorizable_store,
1225 vectorizable_load): Likewise.
1226 (vect_is_simple_cond): Add an argument, pass it to
1227 vect_is_simple_use_1.
1228 (vectorizable_condition): Update calls to vect_is_simple_cond,
1230 (vect_is_simple_use): Add an argument, the statement in which
1231 OPERAND is used. Check that if OPERAND's def stmt is a double
1232 reduction phi node, the use is a phi node too.
1233 (vect_is_simple_use_1): Add an argument, pass it to
1235 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1236 to vect_is_simple_use.
1238 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1240 PR rtl-optimization/52095
1241 * modulo-sched.c (dump_insn_locator): New function.
1242 (loop_canon_p, sms_schedule): Use it.
1244 PR rtl-optimization/52113
1245 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1246 even for decomposable shift/zext insns.
1248 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1249 Zdenek Dvorak <ook@ucw.cz>
1251 PR rtl-optimization/52092
1252 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1253 on get_iv_value result.
1255 2012-02-02 Andrew Pinski <apinski@cavium.com>
1259 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1261 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1264 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1266 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1268 PR rtl-optimization/49800
1269 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1270 (sched_finish): Call regstat_free_n_sets_and_refs.
1272 2012-02-02 Jia Liu <proljc@gmail.com>
1274 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1277 2012-02-02 Jan Hubicka <jh@suse.cz>
1278 Tom de Vries <tom@codesourcery.com>
1281 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1282 * varpool.c (varpool_analyze_pending_decls): Likewise.
1284 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1285 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1287 * config.gcc: Add cr16-* support.
1289 * doc/extend.texi: Document cr16 extensions.
1290 * doc/install.texi: Document cr16 install.
1291 * doc/invoke.texi: Document cr16 options.
1292 * doc/md.texi: Document cr16 constraints.
1294 * common/config/cr16/cr16-common.c: New file.
1295 * config/cr16/cr16.c: New file.
1296 * config/cr16/cr16.h: New file.
1297 * config/cr16/cr16.md: New file.
1298 * config/cr16/cr16.opt: New file.
1299 * config/cr16/cr16-protos.h: New file.
1300 * config/cr16/predicates.md: New file.
1301 * config/cr16/constraints.md: New file.
1302 * config/cr16/t-cr16: New file.
1304 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1307 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1308 that operands[2] is either immediate, or q_regs_operand.
1310 PR tree-optimization/52073
1311 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1312 a pattern stmt for pattern uses, ignore uses outside of the loop.
1314 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1316 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1317 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1318 (OUT_AS1, OUT_AS2): Remove.
1320 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1322 PR rtl-optimization/51374
1323 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1324 to cross other volatile_refs_p insns.
1326 2012-02-01 Richard Guenther <rguenther@suse.de>
1328 * doc/invoke.texi (fno-inline): Clarify documentation.
1329 (finline-small-functions): Likewise.
1330 (finline-functions): Likewise.
1331 * common.opt (finline): Adjust comment and documentation.
1332 (finline-small-functions): Clarify documentation.
1333 (finline-functions): Likewise.
1334 (finline-functions-called-once): Likewise.
1336 2012-02-01 Tristan Gingold <gingold@adacore.com>
1338 * c-typeck.c (composite_type): Keep mode for pointers.
1340 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1342 * function.h (regno_reg_rtx): Adjust comment.
1343 * reginfo.c (init_reg_modes_target): Only use the previous mode
1344 if it fits within one register. Remove MIPS comment.
1346 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1349 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1351 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1353 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1354 to srak instruction.
1356 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1358 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1360 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1365 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1367 2012-01-31 Richard Guenther <rguenther@suse.de>
1369 PR tree-optimization/51528
1370 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1373 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1378 * ree.c (add_removable_extension): Change def_map argument
1379 to unsigned *, store in def_map 1 + offset into *insn_list vector
1380 instead of pointers into the vector.
1381 (find_removable_extensions): Adjust caller.
1383 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1385 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1386 Transform all "* quoted-c-code" to { c-code }.
1387 Remove redundant test for "optimize" in combine patterns.
1388 Move (include "avr-dimode.md") to end of file.
1390 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1393 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1394 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1396 2012-01-30 Richard Guenther <rguenther@suse.de>
1398 PR tree-optimization/52028
1399 * tree-loop-distribution.c (ldist_gen): Properly update
1402 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1405 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1406 set_cur_line_info_table if not emitting debug info.
1408 PR tree-optimization/52046
1409 * tree-vect-patterns.c (check_bool_pattern): Give up if
1410 a comparison could throw.
1413 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1415 2012-01-30 Richard Guenther <rguenther@suse.de>
1417 PR tree-optimization/52045
1418 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1419 SSA form if cfgcleanup did anything.
1421 2012-01-30 Richard Guenther <rguenther@suse.de>
1423 PR tree-optimization/52045
1424 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1425 before computing final todo.
1427 2012-01-30 Richard Guenther <rguenther@suse.de>
1429 PR tree-optimization/51528
1430 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1433 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1435 * df-problems.c (df_kill_notes): Check that the use refers
1436 to the note under examination.
1438 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1441 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1442 parameter and use short-lived pseudos.
1443 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1444 (sparc_expand_vector_init): Const-ify local variables and adjust
1445 calls to above functions.
1447 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1449 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1451 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1453 * doc/invoke.texi: Make usage of "compile time" and
1454 "run time"/"runtime" consistent throughout the file.
1456 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1458 * config/alpha/alpha.c (alpha_option_override): Default to
1459 full IEEE compliance mode for Go language.
1461 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1463 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1464 (LINK_SSP_SPEC): Define.
1466 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1469 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1472 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1474 * doc/invoke.texi: Correct hyphenation of "floating point",
1475 "double precision", and related terminology throughout the file.
1477 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1480 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1481 arm_general_register_operand predicate for operand 2 instead of
1484 2012-01-27 Ian Lance Taylor <iant@google.com>
1487 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1488 * builtins.c (expand_builtin_init_trampoline): Add onstack
1489 parameter. Change caller.
1490 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1491 * tree.c (build_common_builtin_nodes): Declare
1492 __builtin_init_heap_trampoline.
1494 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1496 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1497 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1498 * config/avr/avr.c: Ditto.
1499 (avr_regnames): Remove because unused.
1500 * config/avr/avr.md (*cpse.ne): New peephole.
1501 (*cpse.eq): New peephole from former cpse peepholes.
1503 2012-01-27 Michael Eager <eager@eagercon.com>
1505 * config/microblaze.c (microblaze_emit_compare): Correct
1506 test after pcmp instruction.
1508 2012-01-27 Richard Guenther <rguenther@suse.de>
1510 PR tree-optimization/52020
1511 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1513 2012-01-27 Richard Guenther <rguenther@suse.de>
1515 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1516 function non-const/pure.
1518 2012-01-27 Richard Guenther <rguenther@suse.de>
1520 PR tree-optimization/50444
1521 * tree-sra.c (build_ref_for_offset): Properly adjust the
1522 MEM_REF type for unaligned accesses.
1524 2012-01-27 Richard Guenther <rguenther@suse.de>
1526 PR tree-optimization/50444
1527 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1528 (expand_assignment): Use it. Properly handle misaligned
1529 bases when expanding stores to component references.
1530 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1533 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1536 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1537 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1538 * tree-data-ref.c (find_data_references_in_loop): Make static.
1539 (compute_all_dependences): Change return type to bool. Bail out
1540 for too many datarefs in a loop. Move the hunk resetting the data
1541 dependences vector from ...
1542 (compute_data_dependences_for_loop): ... here. Account for
1543 compute_all_dependences returning false.
1544 (compute_data_dependences_for_bb): Likewise.
1545 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1546 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1548 2012-01-27 Richard Guenther <rguenther@suse.de>
1551 * expr.c (store_field): Use the alias-set of the scratch memory
1554 2012-01-27 Tom de Vries <tom@codesourcery.com>
1556 PR tree-optimization/51990
1557 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1559 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1561 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1564 * var-tracking.c (reverse_op): Don't add any reverse operation
1565 if V already has any constant locations.
1567 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1569 * doc/invoke.texi: Correct usage of "command line" (noun)
1570 vs "command-line" (adjective) throughout.
1572 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1574 * doc/invoke.texi (Language Independent Options): Move
1575 -Wcoverage-mismatch blurb from here....
1576 (Warning Options): ...to here.
1578 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1580 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1581 Set rs6000_always_hint to false for 476.
1583 2012-01-27 Matthias Klose <doko@ubuntu.com>
1585 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1587 * incpath.c (add_standard_paths): Likewise.
1589 2012-01-27 Richard Henderson <rth@redhat.com>
1591 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1592 * config/m68k/sync.md (atomic_test_and_set): Rename from
1593 sync_test_and_setqi and adjust the operands.
1594 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1595 and unconditionally enable.
1597 2012-01-27 Richard Henderson <rth@redhat.com>
1599 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1600 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1601 (ldstub): Rename from ldstubqi.
1602 (ldstub<I24MODE>): Remove.
1604 2012-01-27 Richard Henderson <rth@redhat.com>
1606 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1607 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1608 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1609 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1610 * doc/tm.texi: Rebuild.
1612 2012-01-27 Richard Henderson <rth@redhat.com>
1614 * optabs.c (gen_atomic_test_and_set): Remove default.
1615 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1617 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1619 PR rtl-optimization/51978
1620 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1621 (combine_reaching_defs): Likewise.
1622 (struct re_info): Remove.
1623 (add_removable_extension): Remove x and data arguments,
1624 add insn, insn_list and def_map. Use the arguments directly
1625 instead of using struct re_info.
1626 (find_removable_extensions): Don't call add_removable_extension
1627 through note_stores, instead just call it with single_set
1629 (find_and_remove_re): Pass curr_cand->expr instead of
1630 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1632 2012-01-26 Michael Matz <matz@suse.de>
1634 PR tree-optimization/46590
1635 * cfgexpand.c: Revert last change (r183305).
1636 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1638 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1639 checking for emptiness.
1641 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1644 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1645 non-addressable non-BLKmode base correctly.
1647 2012-01-26 Michael Matz <matz@suse.de>
1649 PR tree-optimization/48794
1650 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1651 regions referenced from RESX/EH_DISPATCH.
1653 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1655 * config/s390/s390.h: Make BRANCH_COST an option.
1656 * config/s390/s390.opt: New option -mbranch-cost.
1658 2012-01-26 Richard Henderson <rth@redhat.com>
1660 Revert 2012-01-24 change:
1661 * trans-mem.c (requires_barrier): Do not instrument thread local
1662 variables and emit save/restore for them.
1664 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1667 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1670 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1672 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1675 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1678 Rename __pgm to __flash.
1679 Rename __pgm1 to __flash1.
1680 Rename __pgm2 to __flash2.
1681 Rename __pgm3 to __flash3.
1682 Rename __pgm4 to __flash4.
1683 Rename __pgm5 to __flash5.
1684 Rename __pgmx to __memx.
1685 * doc/extend.texi (AVR Named Address Spaces)
1686 Rename address space names as indicated above.
1687 * config/avr/avr.c (avr_addrspace): Ditto.
1689 * config/avr/avr-protos.h
1690 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1691 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1692 * config/avr/predicates.md: Ditto.
1693 * config/avr/avr.c Ditto, and
1694 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1695 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1697 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1698 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1699 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1700 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1701 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1702 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1703 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1704 * config/avr/avr.c: Ditto.
1705 * config/avr/avr.md: Ditto.
1707 2012-01-25 Jason Merrill <jason@redhat.com>
1710 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1712 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1714 PR tree-optimization/51987
1715 * tree-data-ref.c (get_references_in_stmt): Handle references in
1716 non-volatile GIMPLE_ASM.
1718 2012-01-25 Richard Guenther <rguenther@suse.de>
1720 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1721 bases are dereferenced.
1723 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1725 PR rtl-optimization/48374
1726 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1728 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1730 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1731 compute_data_dependences_for_loop returns false.
1732 * tree-parloops.c (loop_parallel_p): Likewise.
1734 2012-01-25 Richard Guenther <rguenther@suse.de>
1736 * tree.h (get_pointer_alignment_1): Declare.
1737 * builtins.c (get_pointer_alignment_1): New function.
1738 (get_pointer_alignment): Use it.
1740 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1742 PR rtl-optimization/48308
1743 * combine.c (enum undo_kind): Add UNDO_LINKS.
1744 (struct undo): Add member l to other_contents and where.
1745 (do_SUBST_LINK): New.
1747 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1748 (undo_all): Handle UNDO_LINKS.
1750 2012-01-25 Richard Henderson <rth@redhat.com>
1752 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1755 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1757 * optabs.c (gen_atomic_test_and_set): Use each argument.
1759 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1761 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1762 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1763 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1764 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1765 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1766 TARGET_PAIRED_SINGLE_FLOAT.
1768 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1770 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1771 (in_struct, return_val): Remove MEM documentation.
1772 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1773 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1774 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1776 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1777 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1778 * expr.c (store_field): Likewise.
1779 * function.c (assign_stack_temp_for_type): Likewise.
1780 * ifcvt.c (noce_try_cmove_arith): Likewise.
1781 * reload1.c (reload): Likewise.
1782 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1783 (alpha_set_memflags): Likewise.
1784 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1786 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1788 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1790 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1791 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1792 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1794 * cselib.c (cselib_rtx_varies_p): Delete.
1795 (cselib_invalidate_mem): Update call to canon_true_dependence.
1796 * dse.c (record_store, check_mem_read_rtx): Likewise.
1797 (scan_reads_nospill): Likewise.
1798 * cse.c (check_dependence): Likewise.
1799 (cse_rtx_varies_p): Delete.
1800 * expr.c (safe_from_p): Update call to true_dependence.
1801 * ira.c (validate_equiv_mem_from_store): Likewise.
1802 (memref_referenced_p): Likewise.
1803 * postreload-gcse.c (find_mem_conflicts): Likewise.
1804 * sched-deps.c (sched_analyze_2): Likewise.
1805 * store-motion.c (load_kills_store): Likewise.
1806 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1807 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1808 (compute_transp): Update call to canon_true_dependence.
1810 2012-01-25 Richard Henderson <rth@redhat.com>
1812 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1813 (maybe_emit_atomic_test_and_set): New.
1814 (expand_sync_lock_test_and_set): Use it.
1815 (expand_atomic_test_and_set): Likewise.
1816 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1817 the implementation; clarify implementation defined details.
1818 * doc/md.texi (atomic_test_and_set): Document.
1820 2012-01-25 Richard Henderson <rth@redhat.com>
1822 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1824 2012-01-25 Richard Henderson <rth@redhat.com>
1827 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1828 to effect no-op split.
1830 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1833 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1834 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1835 (BT_FN_VOID_PTR_INT_SIZE): New.
1836 (BT_FN_UINT_UINT_VAR): Remove.
1837 (BT_FN_UINT32_UINT32_VAR): New.
1838 (BT_FN_DOUBLE_VPTR): Remove.
1839 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1841 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1842 (_ITM_changeTransactionMode): Same.
1843 (_ITM_memmoveRtWt): Change return type to void.
1844 (_ITM_memcpyRtWt): Same.
1845 (_ITM_memsetW): Same.
1846 (_ITM_RaRD): Change types to double.
1851 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1853 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1854 Patrick Marlier <patrick.marlier@gmail.com>
1856 * trans-mem.c (requires_barrier): Do not instrument thread local
1857 variables and emit save/restore for them.
1859 2012-01-24 Jason Merrill <jason@redhat.com>
1862 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1863 output static aliases.
1865 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1868 * common.opt (-pie, -shared, pie, shared): Change from Common to
1870 * gcc.c (display_help): Display help for -pie and -shared.
1872 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1875 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1876 Remove note on size/offset limitation.
1877 (AVR Variable Attributes): Add example how to read data located
1878 with progmem. Refer to named address spaces.
1879 * doc/invoke.texi (AVR Options): Fix typo.
1881 2012-01-24 Richard Guenther <rguenther@suse.de>
1883 Forward-port to trunk
1884 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1887 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1888 op0 isn't sufficiently aligned and there is movmisalignM
1889 insn for mode, use it to load op0 into a temporary register.
1891 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1894 * target.def (const_not_ok_for_debug_p): New hook.
1895 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1897 * doc/tm.texi: Regenerated.
1898 * dwarf2out.c (const_ok_for_output_1): If
1899 targetm.const_not_ok_for_debug_p returns true, fail.
1900 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1902 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1904 2012-01-23 Kai Tietz <ktietz@redhat.com>
1907 * config/i386/predicates.md (symbolic_operand): Allow
1908 UNSPEC_PCREL as PIC expression for lea.
1909 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1910 * config/i386/i386.c (ix86_delegitimize_address): Handle
1911 UNSPEC_PCREL for none-MEM, too.
1913 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1915 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1916 (ipa_tm_create_version_alias): Same.
1918 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1921 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1922 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1924 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1925 Patrick Marlier <patrick.marlier@gmail.com>
1926 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1929 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1930 simple_object_start_read.
1932 2012-01-23 Richard Guenther <rguenther@suse.de>
1935 PR tree-optimization/51895
1936 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1937 parameter decomposition into BLKmode components.
1939 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1941 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1942 fake variables for restrict-qualified pointers whose pointed-to type
1943 contains a placeholder.
1945 2012-01-23 Richard Guenther <rguenther@suse.de>
1947 PR tree-optimization/51949
1948 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1950 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1952 PR rtl-optimization/51933
1953 * ree.c (transform_ifelse): Return true right away if dstreg is
1954 already wider or equal to cand->mode.
1955 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1956 (make_defs_and_copies_lists): Remove defs_list and copies_list
1957 arguments, add state argument, just truncate state->work_list
1958 instead of always allocating and freeing the vector. Assert that
1959 get_defs succeeds instead of returning 2. Changed return type to bool.
1960 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1961 have ext_src_mode, see if it has been modified already with the
1962 right kind of extension and has been extended before from the
1963 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1964 just return true. Remember the original mode in state->modified array.
1965 (combine_reaching_defs): Add state argument. Don't allocate and
1966 free here def_list, copied_list and vec vectors, instead just
1967 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1968 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1969 Add state variable, clear vectors in it, initialize state.modified
1970 if needed. Free all the vectors at the end and state.modified too.
1971 Don't skip a candidate if the extension expression has been modified.
1973 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1976 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1977 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1978 (extra_options) interix.opt -> i386/interix.opt"
1979 (extra_objs):Add winnt-stubs.o
1980 * configure.ac: Add interix to target_os .comm on PE check.
1981 * configure: Regenerate.
1982 * config/interix3.h: Delete and move bits to..
1983 * config/interix.h: Delete and move bits to..
1984 * config/i386/i386-interix3.h: Delete and move bits to..
1985 * config/i386/i386-interix.h: ..here.
1986 (TARGET_CPU_DEFAULT): Remove redefinition.
1987 (TARGET_ASM_CONSTRUCTOR): Undefine.
1988 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1989 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1990 (PTRDIFF_TYPE): Define.
1991 (LONG_DOUBLE_TYPE_SIZE): Define.
1992 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1993 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1994 (TARGET_SECTION_TYPE_FLAGS): Define.
1995 (ASM_DECLARE_FUNCTION_NAME): Define.
1996 (ASM_OUTPUT_EXTERNAL): Define.
1997 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1998 (ASM_OUTPUT_ALIGNED_BSS): Define.
1999 (PCC_BITFIELD_TYPE_MATTERS): Define.
2000 (USE_CONST_SECTION): Define.
2001 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2002 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2003 (SUPPORTS_ONE_ONLY): Remove.
2004 (I386_PE_STRIP_ENCODING): Define.
2005 * config/interix.opt: Delete and move bits to..
2006 * config/i386/interix.opt: ..here. New.
2007 (mpe-aligned-commons): Add.
2008 * config/i386/t-interix: Add copyright header.
2009 (winnt-stubs.o): Add rule.
2011 2012-01-22 Jason Merrill <jason@redhat.com>
2014 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2015 for extra name aliases.
2017 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2019 PR rtl-optimization/51924
2020 * ree.c (combine_set_extension): Improve debugging message.
2021 (combine_reaching_defs): Likewise.
2022 (get_defs): Rename confusingly named variable.
2023 (find_and_remove_re): Skip a candidate if the extension expression has
2026 2012-01-21 Robert Millan <rmh@gnu.org>
2027 Gerald Pfeifer <gerald@pfeifer.com>
2029 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2030 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2032 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2034 PR tree-optimization/51914
2035 * tree-vect-stmts.c (vectorizable_conversion): For
2036 cvt_type && modifier == WIDEN, put temporary with cvt_type
2037 at the beginning of vec_dsts and set vec_dest to temporary
2040 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2042 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2044 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2046 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2047 * config/rs6000/rs6000.c: Likewise.
2049 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2052 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2053 output_move_double on a copy of operands array.
2055 2012-01-20 Cary Coutant <ccoutant@google.com>
2056 Dodji Seketeli <dodji@redhat.com>
2059 * dwarf2out.c (copy_declaration_context): Return ref to parent
2060 of declaration DIE, if necessary.
2061 (remove_child_or_replace_with_skeleton): Add new parameter; update
2062 caller. Place skeleton DIE under parent DIE of original declaration.
2063 Move call to copy_declaration_context to here ...
2064 (break_out_comdat_types): ... from here.
2066 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2068 PR rtl-optimization/51856
2069 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2072 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2075 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2076 hints for neon loads and stores.
2078 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2082 * doc/extend.texi (Named Address Spaces): Split into subsections.
2083 (AVR Named Address Spaces): New subsection.
2084 (M32C Named Address Spaces): New subsection.
2085 (RL78 Named Address Spaces): New subsection.
2086 (SPU Named Address Spaces): New subsection.
2087 (Variable Attributes): New anchor "AVR Variable Attributes".
2088 (AVR Variable Attributes): Rewrite and avoid wording
2089 "address space" in this context.
2090 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2091 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2092 (AVR Built-in Macros): New subsubsection therein.
2093 * doc/md.texi (AVR constraints): Remove "C04", "R".
2095 2012-01-20 Richard Guenther <rguenther@suse.de>
2097 PR tree-optimization/51903
2098 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2099 when removing stmts.
2101 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2104 * config/arm/arm.c (arm_load_pic_register): Use
2105 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2106 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2107 (arm_pic_static_addr): Likewise.
2108 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2109 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2110 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2111 (pic_load_addr_unified): New.
2113 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2116 * function.c (instantiate_virtual_regs_in_insn): Use
2117 delete_insn_and_edges when removing a wrong asm insn.
2119 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2121 PR rtl-optimization/40761
2122 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2123 Add new member loop_num.
2124 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2125 (ira_build): Remove the parameter.
2127 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2128 (ira.c): Do not build CFG loops for one region allocation. Remove
2129 argument from ira_build call.
2131 * ira-build.c (init_loop_tree_node): New function.
2132 (create_loop_tree_nodes): Use it. Separate the case when CFG
2133 loops are not built.
2134 (more_one_region_p): Check current_loops.
2135 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2137 (add_loop_to_tree): Process loop equal to NULL too.
2138 (form_loop_tree): Separate the case when CFG loops are not built.
2139 Use explicitly number for the root.
2140 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2142 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2143 instead of loop->num.
2144 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2145 (mark_all_loops_for_removal): Ditto.
2146 (remove_unnecessary_regions): Separate the case when CFG loops
2148 (ira_build): Remove the parameter. Use explicit number of regions
2149 when CFG loops are not built.
2151 * ira-color.c (print_loop_title): Separate the case for the root node.
2152 Use loop_num instead of loop->num.
2153 (move_spill_restore): Use loop_num instead of loop->num.
2155 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2156 (change_loop): Ditto.
2157 (change_loop): Use loop_num instead of loop->num.
2159 * ira-lives.c (process_bb_node_lives): Ditto.
2161 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2163 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2165 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2168 * tree-mudflap.c (mf_artificial): New function.
2169 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2170 mx_register_decls, mudflap_enqueue_decl): Use it.
2173 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2174 numbers in the insn pattern.
2176 2012-01-19 Michael Matz <matz@suse.de>
2178 PR tree-optimization/46590
2179 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2180 use it in remembering which conflicts we already created.
2181 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2184 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2187 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2188 (merge_and_complain): Same.
2190 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2193 * config/initfini-array.h: Guard content of the header
2194 with #ifdef HAVE_INITFINI_ARRAY.
2195 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2196 Add initfini-array.h to tm_file here.
2197 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2198 * config.gcc: Don't add initfini-array.h to tm_file here.
2199 * configure: Regenerated.
2201 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2203 PR rtl-optimization/51505
2204 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2205 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2206 (df_note_bb_compute): Update the call to df_kill_notes.
2208 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2210 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2212 2012-01-18 Richard Guenther <rguenther@suse.de>
2214 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2215 of conversions to void *.
2217 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2218 Richard Sandiford <rdsandiford@googlemail.com>
2222 * optabs.h (simplify_expand_binop): Declare.
2223 * optabs.c (simplify_expand_binop): Make global.
2224 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2225 endian targets if the source cannot be exactly covered by word
2228 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2231 * hard-reg-set.h (struct hard_reg_set_container): New type.
2232 * target.h (struct hard_reg_set_container): Forward declare.
2233 * target.def (set_up_by_prologue): New target hook.
2234 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2235 * doc/tm.texi: Regenerated.
2236 * function.c (thread_prologue_and_epilogue_insns): Change
2237 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2238 Call targetm.set_up_by_prologue on it.
2239 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2240 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2242 2012-01-17 Nick Clifton <nickc@redhat.com>
2244 * config/rx/rx.c (rx_can_use_simple_return): New function.
2245 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2246 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2248 2012-01-17 Richard Guenther <rguenther@suse.de>
2251 * expr.c (expand_assignment): Take address-space information
2252 from the address operand of MEM_REF and TARGET_MEM_REF.
2253 (expand_expr_real_1): Likewise.
2255 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2257 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2258 reload dump is requested.
2260 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2263 * trans-mem.c (requires_barrier): Call may_be_aliased.
2265 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2267 PR tree-optimization/51877
2268 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2269 call arguments and fndecls compare equal, instead return false if they
2270 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2271 both SSA_NAMEs that are valueized the same, or they satisfy
2274 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2276 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2278 * configure: Regenerate.
2280 2012-01-16 Jan Hubicka <jh@suse.cz>
2284 * convert.c (convert_to_integer): Use fold_convert for
2285 converting an INTEGER_CST to integer type.
2287 2012-01-16 Jason Merrill <jason@redhat.com>
2290 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2292 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2295 * config/s390/s390.c (s390_chunkify_start): Don't skip
2296 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2297 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2298 If insn is followed by NOTE_INSN_VAR_LOCATION or
2299 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2300 Don't use location of note insns.
2302 PR tree-optimization/51865
2303 * tree-inline.c (tree_function_versioning): Call remap_decl
2304 on DECL_RESULT whenever it has VOID_TYPE_P type.
2306 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2308 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2309 for calls to locally-binding MIPS16 functions if only the return
2310 type uses float regs.
2312 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2313 Richard Sandiford <rdsandiford@googlemail.com>
2315 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2316 (SYMBOL_32_HIGH): Likewise.
2317 (mips_output_tls_reloc_directive): Declare.
2318 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2319 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2320 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2321 (mips_lo_relocs, mips_hi_relocs): Make extern.
2322 (mips16_stub_function): Move up file.
2323 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2324 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2325 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2326 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2327 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2328 (mips_get_tp): Add MIPS16 support.
2329 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2330 Generalize DTPREL and TPREL handling.
2331 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2332 Add MIPS16 TLS support.
2333 (mips_output_tls_reloc_directive): New function.
2334 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2335 * config/mips/predicates.md (symbolic_operand_with_high)
2336 (tls_reloc_operand): New predicates.
2337 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2338 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2339 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2340 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2341 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2342 (*tls_get_tp_mips16_call_<mode>): Likewise.
2344 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2346 PR rtl-optimization/51821
2347 * recog.c (peep2_find_free_register): Determine clobbered registers
2350 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2353 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2354 * config/avr/avr.c: Likewise.
2355 * config/avr/avr.h: Likewise.
2357 2012-01-13 Ian Lance Taylor <iant@google.com>
2360 * tree.h (TYPE_QUALS): Add cast to int.
2361 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2363 2012-01-13 Ian Lance Taylor <iant@google.com>
2365 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2366 comparing param_index to VEC_length result.
2368 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2370 * c-decl.c: Do not include tree-mudflap.h
2371 * tree-optimize.c: Likewise.
2372 * Makefile.in: Update dependencies.
2374 2012-01-13 Richard Guenther <rguenther@suse.de>
2377 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2378 variable-sized result always use RSO.
2380 2012-01-12 DJ Delorie <dj@redhat.com>
2382 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2383 pointer type, not just the default pointer type.
2385 2012-01-09 Richard Henderson <rth@redhat.com>
2386 Denis Chertykov <chertykov@gmail.com>
2389 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2390 * config/avr/avr.c (avr_can_eliminate): Simplify.
2391 (avr_initial_elimination_offset): Likewise.
2392 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2393 (expand_epilogue): Likewise.
2394 (avr_legitimize_address): Gut.
2395 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2396 (avr_hard_regno_nregs): New.
2397 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2398 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2399 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2400 add soft frame pointer.
2401 (CALL_USED_REGISTERS): Likewise.
2402 (REG_CLASS_CONTENTS): Likewise.
2403 (REGISTER_NAMES): Likewise.
2404 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2405 (HARD_FRAME_POINTER_REGNUM): New.
2406 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2407 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2408 remove the HARD_FRAME_POINTER self-elimination.
2410 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2413 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2414 DECL_EXTERNAL when checking for initializers of progmem variables.
2416 2012-01-12 Ira Rosen <irar@il.ibm.com>
2418 PR tree-optimization/51799
2419 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2420 that the last operation is a type demotion.
2422 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2424 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2425 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2427 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2430 * combine.c (distribute_notes): If i3 is a noreturn call,
2431 allow old_size to be equal to args_size and make sure the
2432 noreturn call gets REG_ARGS_SIZE note.
2433 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2434 on noreturn calls even when the delta is 0.
2436 2012-01-11 Nathan Sidwell <nathan@acm.org>
2438 * gcov.c (STRING_SIZE): Remove.
2439 (generate_results): Erase annotations for source files with no
2440 coverage information.
2442 (output_lines): Use it.
2444 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2446 * gimple.h (gimplify_body): Remove first argument.
2447 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2448 pointer set here, instead just pass DATA to walk_tree.
2449 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2450 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2451 (unvisit_body): Likewise, but with unmark_visited.
2452 (gimplify_body): Remove BODY_P argument and adjust.
2453 (gimplify_function_tree): Adjust call to gimplify_body.
2454 * omp-low.c (finalize_task_copyfn): Likewise.
2456 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2458 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2459 (build_function_type_skip_args): Delete.
2460 * tree.c (build_function_type_skip_args): Make static and add
2461 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2462 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2463 pass it to build_function_type_skip_args.
2464 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2465 (tree_function_versioning): Likewise.
2466 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2467 build_function_decl_skip_args.
2468 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2469 and pass it to build_function_decl_skip_args/tree_function_versioning.
2470 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2471 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2472 * trans-mem.c (ipa_tm_create_version): Likewise.
2473 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2474 * tree-inline.c (declare_return_variable): Remove always-true test.
2475 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2476 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2477 * ipa-split.c (split_function): Skip the return value for the split
2478 part if it doesn't return.
2480 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2482 PR tree-optimization/49642
2483 * ipa-split.c (forbidden_dominators): New variable.
2484 (check_forbidden_calls): New function.
2485 (dominated_by_forbidden): Likewise.
2486 (consider_split): Check for forbidden dominators.
2487 (execute_split_functions): Initialize and free forbidden
2488 dominators info; call check_forbidden_calls.
2490 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2492 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2494 2012-01-11 Nick Clifton <nickc@redhat.com>
2496 * config/rx/rx.md (return): Define pattern.
2498 2012-01-11 Richard Guenther <rguenther@suse.de>
2500 * doc/extend.texi (malloc attribute): Adjust according to
2503 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2504 Patrick Marlier <patrick.marlier@gmail.com>
2507 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2508 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2509 (ipa_tm_note_irrevocable): Same.
2510 (ipa_tm_scan_irr_block): Same.
2511 (ipa_tm_decrement_clone_counts): Same.
2512 (ipa_tm_scan_irr_function): Same.
2513 (ipa_tm_create_version_alias): Same.
2514 (ipa_tm_create_version): Same.
2515 (ipa_tm_transform_calls_redirect): Same.
2516 (ipa_tm_transform_calls): Same.
2517 (ipa_tm_transform_transaction): Same.
2518 (ipa_tm_execute): Same.
2520 2012-01-10 Richard Guenther <rguenther@suse.de>
2523 * opts.c (common_handle_option): Handle -Werror.
2525 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2527 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2530 2012-01-10 Jason Merrill <jason@redhat.com>
2532 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2535 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2537 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2538 supports R_386_TLS_GD_PLT reloc.
2539 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2540 supports R_386_TLS_LDM_PLT reloc.
2541 * configure: Regenerate.
2542 * config.in: Regenerate.
2544 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2547 Extend __pgmx semantics to linearize memory.
2548 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2549 determine if code comes inline or from libgcc.
2550 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2551 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2552 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2553 (movmemx_qi, movmemx_hi): New insns.
2554 (xload_<mode>_libgcc): Rewrite to new insn condition.
2555 (xload_<mode>): Remove insns.
2556 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2557 cases that don't satisfy avr_xload_libgcc_p().
2558 (avr_addr_space_convert): Allow converting in any direction.
2559 (avr_addr_space_subset_p): Return always true.
2560 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2561 (avr_emit_movmemhi): Ditto.
2562 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2563 (avr_out_movmem): Ditto.
2564 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2565 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2566 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2567 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2568 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2570 2012-01-10 Richard Guenther <rguenther@suse.de>
2572 PR tree-optimization/50913
2573 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2574 Require data-refs to be representable by Graphite with respect
2577 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2579 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2580 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2582 2012-01-10 Tom de Vries <tom@codesourcery.com>
2584 PR rtl-optimization/51271
2585 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2586 handling annulled branch.
2588 2012-01-10 Richard Henderson <rth@redhat.com>
2590 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2591 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2592 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2593 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2594 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2595 arm_expand_vec_perm_const): New.
2596 * config/arm/arm-protos.h: Update.
2597 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2598 (*neon_vswp<VDQX>): New.
2599 (neon_vcombine<VDX>): Use neon_split_vcombine.
2600 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2601 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2602 (vec_perm<VE>): New.
2604 2012-01-10 Richard Henderson <rth@redhat.com>
2606 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2607 use it if reload_completed.
2608 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2609 arm_output_asm_insn, arm_process_output_memory_barrier,
2610 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2611 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2612 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2613 arm_process_output_sync_insn, arm_output_sync_insn,
2614 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2615 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2616 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2617 (emit_unlikely_jump): New.
2618 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2619 (arm_split_atomic_op): New.
2620 * config/arm/arm-protos.h: Update.
2621 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2622 (struct arm_sync_generator): Remove.
2623 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2624 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2625 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2626 (VUNSPEC_LL, VUNSPEC_SC): New.
2627 (sync_result, sync_memory, sync_required_value, sync_new_value,
2628 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2629 (attr length): Don't use arm_sync_loop_insns.
2630 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2631 (movsfcc, movdfcc): Likewise.
2632 * config/arm/constraints.md (Ua): New.
2633 * config/arm/prediates.md (mem_noofs_operand): New.
2634 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2635 (sync_clobber, sync_t2_reqd): Remove.
2636 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2637 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2638 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2639 (arm_sync_compare_and_swap<SIDI>): Remove.
2640 (arm_sync_compare_and_swap<NARROW>): Remove.
2641 (arm_sync_lock_test_and_set<SIDI>): Remove.
2642 (arm_sync_lock_test_and_set<NARROW>): Remove.
2643 (arm_sync_new_<syncop><SIDI>): Remove.
2644 (arm_sync_new_<syncop><NARROW>): Remove.
2645 (arm_sync_new_nand<SIDI>): Remove.
2646 (arm_sync_new_nand<NARROW>): Remove.
2647 (arm_sync_old_<syncop><SIDI>): Remove.
2648 (arm_sync_old_<syncop><NARROW>): Remove.
2649 (arm_sync_old_nand<SIDI>): Remove.
2650 (arm_sync_old_nand<NARROW>): Remove.
2651 (*memory_barrier): Merge arm_output_memory_barrier.
2652 (atomic_compare_and_swap<QHSD>): New.
2653 (atomic_compare_and_swap<NARROW>_1): New.
2654 (atomic_compare_and_swap<SIDI>_1): New.
2655 (atomic_exchange<QHSD>): New.
2656 (cas_cmp_operand, cas_cmp_str): New.
2657 (atomic_op_operand, atomic_op_str): New.
2658 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2659 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2660 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2661 (arm_load_exclusive<NARROW>): New.
2662 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2663 (arm_store_exclusive<QHSD>): New.
2665 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2667 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2668 reload patterns if -mvsx-scalar-memory.
2670 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2671 generated, even -mno-vsx-scalar-double was used.
2672 (vsx_xscvdpsp_scalar): Likewise.
2673 (vsx_xscvspdp_scalar2): Likewise.
2675 2012-01-09 Tom de Vries <tom@codesourcery.com>
2676 Andrew Pinski <apinski@cavium.com>
2679 * reorg.c (fill_slots_from_thread): Don't speculate
2680 frame-related insns.
2682 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2684 * sched-int.h (bb_note): Move to...
2685 * basic-block.h: ...here.
2686 * haifa-sched.c (bb_note): Move to...
2687 * cfgrtl.c: ...here.
2688 * function.c (next_block_for_reg): New function.
2689 (move_insn_for_shrink_wrap): Likewise.
2690 (prepare_shrink_wrap): Rewrite to use the above.
2692 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2694 * gimple.c (is_gimple_non_addressable): Remove.
2695 * gimple.h: Remove is_gimple_non_addressable.
2696 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2697 is_gimple_non_addressable.
2698 * trans-mem.c (expand_assign_tm): Same.
2700 2012-01-09 Richard Guenther <rguenther@suse.de>
2702 PR tree-optimization/51775
2703 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2704 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2706 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2708 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2710 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2712 2012-01-09 Richard Guenther <rguenther@suse.de>
2714 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2716 2012-01-08 Jan Hubicka <jh@suse.cz>
2718 PR tree-optimize/51680
2719 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2720 on when known_vals needs to be computed; cleanup.
2722 2012-01-08 Jan Hubicka <jh@suse.cz>
2724 PR tree-optimize/51694
2725 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2727 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2729 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2730 for -std=c++98 and -std=c++11 too.
2732 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2734 * cfgloop.c (cancel_loop): Add free() of bbs array.
2736 2012-01-07 Jan Hubicka <jh@suse.cz>
2738 PR tree-optimization/51600
2739 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2740 that benefits small functions.
2742 2012-01-07 Jan Hubicka <jh@suse.cz>
2744 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2746 2012-01-07 Jan Hubicka <jh@suse.cz>
2748 PR tree-optimization/51680
2749 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2750 whose inlining reduce unit size.
2752 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2755 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2756 Add canonical node to containing_mem chain after the non-canonical
2757 one, even if there weren't any locs to propagate.
2758 (remove_useless_values): Keep only canonical values.
2759 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2760 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2761 canonicalize mem_chain elements that are not discarded.
2763 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2766 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2767 before emitting functions.
2769 PR gcov-profile/50127
2770 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2771 clear_aux_for_blocks.
2773 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2776 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2778 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2780 * c-decl.c (ext_block): Moved up.
2781 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2783 2012-01-06 Han Shen <shenhan@google.com>
2785 Translate built-in include paths for sysroot.
2786 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2787 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2789 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2790 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2792 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2793 control whether sysroot should be prepended to gxx include dir.
2795 * configure: Regenerate.
2797 2012-01-06 Torvald Riegel <triegel@redhat.com>
2799 PR rtl-optimization/51771
2800 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2801 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2803 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2805 PR tree-optimization/51315
2806 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2807 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2809 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2812 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2813 for shrp pattern. Correctly handle and fixup shift variable.
2814 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2816 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2819 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2820 note when !ACCUMULATE_OUTGOING_ARGS.
2822 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2824 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2826 (extract_range_from_unary_expr_1): Avoid useless computations.
2828 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2830 PR rtl-optimization/51767
2831 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2832 of jump_block and add an extra edge for degenerated asm gotos.
2835 * stmt.c (check_unique_operand_names): Don't ICE during error
2836 reporting if i is from labels chain.
2839 * profile.c (branch_prob): Split bbs that have exit edge
2840 and need a fake entry edge too.
2842 2012-01-05 Jan Hubicka <jh@suse.cz>
2845 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2848 2012-01-05 Richard Guenther <rguenther@suse.de>
2851 * tree-streamer-out.c (write_ts_optimization): New function.
2852 (streamer_write_tree_body): Call it.
2853 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2854 (streamer_read_tree_body): Call it.
2855 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2857 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2860 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2861 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2862 in_cleanup_point_expr before gimplify_stmt call and restore it
2864 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2865 in_cleanup_point_expr is false.
2867 2012-01-05 Richard Guenther <rguenther@suse.de>
2870 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2872 * toplev.c (process_options): Reject combining mudflap and LTO.
2873 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2875 2012-01-05 Richard Guenther <rguenther@suse.de>
2877 PR tree-optimization/51760
2878 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2880 (bit_value_unop): Handle UNDEFINED operands.
2881 (bit_value_binop): Likewise.
2883 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2885 * config/avr/avr.c (avr_replace_prefix): Remove.
2886 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2887 (avr_asm_function_rodata_section): Ditto.
2888 (avr_asm_select_section): Ditto.
2890 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2892 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2895 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2898 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2899 calls that have any non-fake successor edges.
2902 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2904 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2906 PR tree-optimization/51624
2907 * tree-sra.c (build_ref_for_model): When replicating a chain of
2908 COMPONENT_REFs, stop as soon as the offset would become negative.
2910 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2913 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2914 in .debug_loc on the floor.
2916 2012-01-04 Andrew Pinski <apinski@cavium.com>
2918 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2920 2012-01-04 Andrew Pinski <apinski@cavium.com>
2921 Adam Nemet <anemet@caviumnetworks.com>
2923 * config/mips/mips.md (size): Add SI and DI.
2924 (SIZE): New mode attribute.
2925 (U): New code attribute.
2926 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2927 (mips_lbux_<mode>): Delete.
2928 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2929 (mips_lhx): Use gen_mips_lhx_extsi.
2930 (mips_lhx_<mode>): Delete.
2932 (mips_l<size>x): New expand.
2933 (mips_lwx_<mode>): Delete.
2934 (mips_l<GPR:size>x_<P:mode>): New pattern.
2935 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2936 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2937 * config/mips/mips.c (mips_lx_address_p): New function.
2938 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2939 (dsp64): New availability predicate.
2940 (mips_builtins): Add an entry for __builtin_mips_ldx.
2941 * config/mips/mips.h (ISA_HAS_LBX): New define.
2942 (ISA_HAS_LBUX): Likewise.
2943 (ISA_HAS_LHX): Likewise.
2944 (ISA_HAS_LHUX): Likewise.
2945 (ISA_HAS_LWX): Likewise.
2946 (ISA_HAS_LWUX): Likewise.
2947 (ISA_HAS_LDX): Likewise.
2948 * doc/extend.texi (__builtin_mips_ldx): Document.
2950 2012-01-04 Tristan Gingold <gingold@adacore.com>
2952 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2953 when long pointers are used.
2954 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2955 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2956 (ia64-hp-*vms*): Remove.
2957 * config/vms/xm-vms64.h: Delete.
2959 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2962 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2964 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2966 * opts.c (finish_options): Remove duplicate sorry.
2968 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2971 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2974 2012-01-04 Richard Guenther <rguenther@suse.de>
2977 * tree.c (size_low_cst): New function.
2978 * tree.h (size_low_cst): Declare.
2979 * fold-const.c (fold_comparison): Use it to extract the low
2980 part of the POINTER_PLUS_EXPR offset.
2982 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2984 Fix clearing ZERO_REG
2985 * config/avr/avr.md (cc): Add alternative "ldi".
2986 (movqi_insn): Use it in cc attribute.
2987 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2988 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2989 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2991 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2993 * configure: Regenerate.
2995 2012-01-04 Richard Guenther <rguenther@suse.de>
2997 PR tree-optimization/49651
2998 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2999 (var_can_have_subvars): Use it.
3000 (get_constraint_for_1): Only consider subfields if there can be any.
3002 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3005 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3006 to its new canonical_cselib_val and the cselib_val was in
3007 first_containing_mem chain, but the canonical_cselib_val was not,
3008 add the latter into the chain.
3009 (cselib_invalidate_mem): Compare canonical_cselib_val of
3010 addr_list chain elt with v.
3013 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3014 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3016 (output_macinfo_op): Don't ggc_strdup fd->filename.
3017 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3018 then ggc_strdup it. Don't free inc->info or cur->info.
3019 (output_macinfo): Don't free ref->info or file->info.
3021 2012-01-03 Ira Rosen <irar@il.ibm.com>
3023 PR tree-optimization/51269
3024 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3025 first_niters a pointer.
3026 (slpeel_tree_peel_loop_to_edge): Likewise.
3027 (vect_do_peeling_for_loop_bound): Update call to
3028 slpeel_tree_peel_loop_to_edge.
3029 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3030 here. Remove it from the parameters list.
3031 (vect_do_peeling_for_alignment): Update calls and compute
3034 2012-01-03 Richard Guenther <rguenther@suse.de>
3036 PR tree-optimization/51070
3037 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3038 Properly handle calls.
3040 2012-01-03 Richard Guenther <rguenther@suse.de>
3042 PR tree-optimization/51692
3043 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3044 the LHS of allocation stmts.
3046 2012-01-03 Olivier Hainque <hainque@adacore.com>
3048 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3050 2012-01-03 Olivier Hainque <hainque@adacore.com>
3052 * collect2.c (main): In AIX specific computations for vector
3053 insertions, use CONST_CAST2 to cast from char ** to const char **.
3055 2012-01-03 Richard Guenther <rguenther@suse.de>
3058 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3059 the context of a limbo DIE when it does not already exist.
3061 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3063 PR tree-optimization/51719
3064 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3065 but direct call is, clear direct call's lhs and don't add fallthrough
3066 edge from dcall_bb to join_bb and PHIs.
3068 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3070 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3071 the instructions emitted by the pattern.
3072 ("*TDC_insn_<mode>"): Add comment.
3074 2012-01-03 Richard Guenther <rguenther@suse.de>
3077 * fold-const.c (fold_comparison): Properly canonicalize
3078 tree offset and HOST_WIDE_INT bit position.
3080 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3082 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3083 operands for extzv pattern.
3085 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3088 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3091 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3093 * doc/invoke.texi (-flto and related options): Copy-edit.
3095 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3097 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3099 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3101 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3104 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3106 * expr.h (move_by_pieces_ninsns): Declare.
3107 * expr.c (move_by_pieces_ninsns): Make external.
3108 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3109 (mips_store_by_pieces_p): Likewise.
3110 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3111 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3112 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3113 (mips_store_by_pieces_p): Likewise.
3115 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3117 * passes.c (register_one_dump_file): Free full_name.
3119 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3120 (calculate_elim_costs_all_insns): Free offsets_at and
3121 offsets_known_at at the end and clear the pointers.
3123 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3125 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3126 this option introduced in r180739.
3128 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3131 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3132 (tmake_file target=avr): Add avr/t-multilib.
3134 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3135 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3136 * config/avr/genmultilib.awk: New file.
3137 * config/avr/t-multilib: New auto-generated file.
3138 * config/avr/multilib.h: New auto-generated file.
3139 * config/avr/t-avr (AVR_MCUS): New variable.
3140 (genopt.sh): Use it.
3141 (s-mlib): Depend on t-multilib.
3142 (t-multilib, multilib.h): New dependencies.
3143 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3144 (MULTILIB_OPTIONS): Remove.
3145 (MULTILIB_MATCHES): Remove.
3146 (MULTILIB_DIRNAMES): Remove.
3147 (MULTILIB_EXCEPTIONS): Remove:
3148 * config/avr/genopt.sh: Don't use hard coded file name;
3149 pass AVR_MCUS from t-avr instead.
3151 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3153 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3155 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3157 Implement light-weight DImode support.
3158 * config/avr/avr-dimode.md: New file.
3159 * config/avr/avr.md: Include it.
3160 (adjust_len): Add plus64, compare64.
3161 (HIDI): Remove code iterator.
3162 (code_stdname): New code attribute.
3163 (rotx, rotsmode): Remove DI.
3164 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3166 * config/avr/avr-protos.h (avr_have_dimode): New.
3167 (avr_out_plus64, avr_out_compare64): New.
3168 * config/avr/avr.c (avr_out_compare): Handle DImode.
3169 (avr_have_dimode): New variable definition and initialization.
3170 (avr_out_compare64, avr_out_plus64): New functions.
3171 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3172 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3173 (avr_compare_pattern): Skip DImode comparisons.
3175 2012-01-02 Revital Eres <revital.eres@linaro.org>
3177 * ddg.c (def_has_ccmode_p): New function.
3178 (add_cross_iteration_register_deps,
3179 create_ddg_dep_from_intra_loop_link): Call it.
3181 2012-01-02 Richard Guenther <rguenther@suse.de>
3184 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3186 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3188 * gcc.c (process_command): Update copyright notice dates.
3189 * gcov.c (print_version): Likewise.
3190 * gcov-dump.c (print_version): Likewise.
3191 * mips-tfile.c (main): Likewise.
3192 * mips-tdump.c (main): Likewise.
3194 2012-01-01 Ira Rosen <irar@il.ibm.com>
3196 PR tree-optimization/51704
3197 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3198 a use is inside the basic block or loop before accessing its vect info.
3200 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3202 PR rtl-optimization/51069
3203 * cfgloopmanip.c (remove_path): Removing path making irreducible
3204 region unconditional makes BB part of the region.
3206 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3208 PR tree-optimization/51683
3209 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3210 calls with side-effects.
3211 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3213 Copyright (C) 2012 Free Software Foundation, Inc.
3215 Copying and distribution of this file, with or without modification,
3216 are permitted in any medium without royalty provided the copyright
3217 notice and this notice are preserved.