1 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
4 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
7 2012-02-29 Jakub Jelinek <jakub@redhat.com>
10 * df.h (struct df_d): Adjust comment that hard_regs_live_count
11 doesn't count DEBUG_INSN refs.
12 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
15 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
19 2012-02-20 Richard Guenther <rguenther@suse.de>
20 PR tree-optimization/52298
21 * tree-vect-stmts.c (vectorizable_load): Properly use
22 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
25 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
28 * gimple.h (gimple_in_transaction): New.
29 (gimple_set_in_transaction): New.
30 (struct gimple_statement_base): Add in_transaction field.
31 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
33 (tree_ssa_lim_initialize): Compute transaction bits.
34 * tree.h (compute_transaction_bits): Protoize.
35 * trans-mem.c (tm_region_init): Use the heap to store BB
37 (compute_transaction_bits): New.
39 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
41 * gcc.c (display_help): Document --help=common and sort entries
44 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
46 * doc/install.texi: Document check-$LANG specific shortcuts
48 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
51 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
53 * config/arm/arm_neon.h: Regenerate.
54 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
55 (neon_vcgeu): New insn.
56 (neon_vcgtu): Likewise.
57 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
58 (ops): Unsigned comparison intrinsics call a different
61 2012-02-28 Richard Guenther <rguenther@suse.de>
64 * config/i386/i386.c (ix86_expand_vector_set): Fix element
65 ordering for the VEC_CONCAT for two element vectors for
66 V2SFmode, V2SImode and V2DImode.
68 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
71 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
72 detecting big-endian triplets.
74 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
76 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
77 mode if there is no type information available.
79 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
81 PR tree-optimization/53207
82 * doc/invoke.texi: Document as experimental and relying on graphite.
84 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
86 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
87 of initializer to changes from r184614.
89 2012-02-28 Richard Guenther <rguenther@suse.de>
91 PR tree-optimization/52395
92 * tree-sra.c (build_ref_for_offset): Also look at the base
93 TYPE_ALIGN when figuring out the alignment of the replacement.
95 2012-02-28 Richard Guenther <rguenther@suse.de>
97 PR tree-optimization/52402
98 * ipa-prop.c (ipa_modify_call_arguments): Properly use
99 mis-aligned types when creating the accesses at the call site.
101 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
103 * config/avr/builtins.def: New file.
104 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
105 * config/avr/avr.c (enum avr_builtin_id): Use it.
106 (avr_init_builtins): Use it. And use avr_bdesc.
107 (bdesc_1arg): Remove.
108 (bdesc_2arg): Remove.
109 (bdesc_3arg): Remove.
110 (struct avr_builtin_description): Add field n_args.
111 (avr_bdesc): New static variable using builtins.def.
112 (avr_expand_builtin): Use it.
113 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
114 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
115 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
117 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
120 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
121 match only one single hard register with respective hard reg rtx.
122 (movmemx_<mode>): Ditto.
123 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
124 insn anatomy of movmem[x]_<mode>.
125 (avr_out_movmem): Same for printing assembler and operand usage.
127 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
131 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
132 address spaces located outside of device flash.
134 * config/avr/avr.h (base_arch_s): Remove field n_segments.
135 (mcu_type_s): Add field n_flash.
136 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
137 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
138 (AVR_MCU): Add N_FLASH argument.
139 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
140 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
141 macro __FLASH<n> if that address space makes sense for the device.
142 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
143 outside of target flash.
144 (avr_asm_named_section): Ditto.
145 (avr_asm_select_section): Ditto.
146 (avr_addr_space_convert): Ditto.
147 (avr_emit_movmemhi): Ditto.
148 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
149 address space is outside of device flash.
150 (avr_insert_attributes): Ditto.
151 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
152 avr_current_arch->n_segments.
154 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
157 * config/i386/i386.md (*movabs<mode>_1): Enable only for
159 (*movabs<mode>_2): Likewise.
161 2012-02-27 Jakub Jelinek <jakub@redhat.com>
164 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
165 s_register_operand in the test instead of REG_P. Don't call
166 gen_reg_rtx if it won't be used.
168 PR tree-optimization/52376
169 * ipa-split.c (split_function): Ignore CLOBBER stmts.
171 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
173 * ifcvt.c (noce_get_condition): Check condition variable is not
174 small_register_classes_for_mode_p before accepting.
176 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
178 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
180 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
183 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
184 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
186 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
188 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
190 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
192 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
194 * config/sh/predicates.md: Remove blank lines.
195 * config/sh/sh.c: Fix typos in comments.
196 * config/sh/constraints.md: Likewise.
197 * config/sh/sh.md: Remove blank lines.
198 Fix typos in comments. Use ;; as comment characters.
200 2012-02-26 Walter Lee <walt@tilera.com>
202 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
203 (replace_mov_pcrel_step2): Ditto.
205 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
208 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
209 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
210 and locs that reference values newer than the non-canonical value
211 at hand. Return the canonical value as a worst case.
212 (memrefs_conflict_p): Walk canonical value's locs.
215 * cselib.c (preserve_only_constants): Rename to...
216 (preserve_constants_and_equivs): ... this. Split out...
217 (invariant_or_equiv_p): ... this. Preserve plus expressions
218 of other preserved expressions too.
219 (cselib_reset_table): Adjust.
220 * var-tracking.c (reverse_op): Use canonical value to build
223 2012-02-23 Kai Tietz <ktietz@redhat.com>
225 * config/i386/i386.c (ix86_delegitimize_address): Handle
226 UNSPEC_PCREL plus displacement.
228 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
231 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
232 to test for unusedness in st X addressing.
234 2012-02-24 Richard Guenther <rguenther@suse.de>
237 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
238 (is_gimple_reg_type): Move inline ...
239 * gimple.h (is_gimple_reg_type): ... here.
241 2012-02-24 Richard Guenther <rguenther@suse.de>
244 * passes.c (execute_function_todo): When verifying SSA form
245 verify gimple form first.
246 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
248 2012-02-24 Richard Guenther <rguenther@suse.de>
251 * fold-const.c (fold_addr_of_array_ref_difference): New function.
252 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
254 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
256 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
258 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
260 * tree-phinodes.c (make_phi_node): Mark static.
261 * tree-flow.h (make_phi_node): Remove extern decl.
262 * doc/gimple.texi (make_phi_node): Remove documentation.
264 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
266 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
267 * tree-ssa-sccvn.c (print_scc): Ditto.
269 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
271 * doc/passes.texi (Full redundancy elimination): Fix typo.
273 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
275 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
277 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
280 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
282 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
285 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
287 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
289 * config/avr/avr.md (code_stdname): Add ior, xor.
290 (xior): New code iterator.
291 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
292 (*<code_stdname><mode>qi.byte1-3): Ditto.
294 2012-02-23 Jakub Jelinek <jakub@redhat.com>
296 PR tree-optimization/52019
297 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
300 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
302 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
303 HAVE_INITFINI_ARRAY to work around namespace pollution in
304 certain versions of newlib system headers.
305 * config.in: Regenerate.
306 * configure: Regenerate.
307 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
308 instead of HAVE_INITFINI_ARRAY.
310 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
313 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
314 is not offsettable memory reference.
316 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
319 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
320 setting avr_need_clear_bss_p for __gnu_lto* symbols.
322 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
324 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
325 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
327 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
329 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
330 library on Solaris 8 even without TLS support.
331 * configure: Regenerate.
333 2012-02-22 Richard Guenther <rguenther@suse.de>
336 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
337 for GIMPLE_DEBUG stmts.
339 2012-02-22 Martin Jambor <mjambor@suse.cz>
342 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
343 according to the base object.
345 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
347 PR rtl-optimization/50063
348 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
349 and 2 (8-bit SP) in operand 2.
350 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
351 setup to use movhi_sp_r instead of vanilla move to write SP.
352 Adjust REG_CFA notes to superseed unspec.
353 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
355 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
356 known to be off) only with TARGET_NO_INTERRUPTS. Never use
357 irq_state 1 (IRQ known to be on) here.
359 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
361 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
363 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
364 assign_hard_reg): Likewise.
366 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
368 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
370 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
373 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
374 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
376 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
378 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
379 prototype from here to...
380 * config/avr/avr.h: ...here.
382 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
385 * thumb2.md (thumb2_shiftsi3_short): Split register and
386 immediate shifts. For register shifts tie operands 0 and 1.
387 (peephole2 for above): Check that register-controlled shifts
388 have suitably tied operands.
390 2012-02-21 Quentin Neill <quentin.neill@amd.com>
393 * config/i386/bdver1.md (bdver1_call, bdver1_push,
394 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
395 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
396 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
397 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
398 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
399 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
400 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
401 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
402 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
403 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
404 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
405 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
406 bdver1_ssevector_avx256_unaligned_load,
407 bdver1_ssevector_sse128_unaligned_load,
408 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
409 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
410 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
411 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
412 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
413 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
414 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
415 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
416 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
417 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
418 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
419 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
420 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
421 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
422 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
423 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
424 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
425 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
426 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
427 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
428 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
429 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
430 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
431 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
432 bdver1_ssediv_double_load, bdver1_ssediv_double,
433 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
434 Add "bdver2" attribute.
436 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
438 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
439 default if possible and not specified otherwise.
441 2012-02-21 Richard Guenther <rguenther@suse.de>
444 * gimplify.c (create_tmp_from_val): Use the main variant type
445 for the type of the temporary we create.
447 2012-02-21 Richard Guenther <rguenther@suse.de>
449 PR tree-optimization/52324
450 * gimplify.c (gimplify_expr): When re-gimplifying expressions
451 do not gimplify a MEM_REF address operand if it is already
454 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
456 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
457 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
459 2012-02-21 Richard Guenther <rguenther@suse.de>
461 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
464 2012-02-21 Jakub Jelinek <jakub@redhat.com>
466 PR tree-optimization/52318
467 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
468 vdef also to non-pure/const call stmts in the sequence.
470 2012-02-20 David S. Miller <davem@davemloft.net>
472 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
473 don't use the "rd %pc" instruction on v9 for PIC register loads.
475 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
478 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
479 in a transaction safe function.
481 2012-02-20 Kai Tietz <ktietz@redhat.com>
484 * stor-layout.c (place_field): Handle desired_align for
487 2012-02-20 Richard Guenther <rguenther@suse.de>
489 PR tree-optimization/52298
490 * tree-vect-stmts.c (vectorizable_store): Properly use
491 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
493 (vectorizable_load): Likewise.
494 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
495 Access DR_STEP after ensuring it is not NULL.
497 2012-02-20 Jakub Jelinek <jakub@redhat.com>
499 PR tree-optimization/52286
500 * fold-const.c (fold_binary_loc): For (X & C1) | C2
501 optimization use double_int_to_tree instead of build_int_cst_wide,
502 rewrite to use double_int vars.
504 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
507 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
509 Remove -e 0 from $gcc_cv_ld invocation.
510 Only use __GLIBC_PREREQ if defined.
511 Enable on Solaris since Solaris 8 patch.
512 (gcc_SUN_LD_VERSION): New macro.
513 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
514 gcc_SUN_LD_VERSION for version number format.
515 * configure: Regenerate.
516 * varasm.c (get_elf_initfini_array_priority_section): Set
517 SECTION_NOTYPE for non-default priority.
518 Use get_section instead of get_unnamed_section to emit
519 .init_array/.fini_array with default priority.
521 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
523 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
524 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
525 (mips_start_unique_function, mips_output_mips16_rdhwr)
526 (mips_code_end): New functions.
527 (TARGET_ASM_CODE_END): Define.
529 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
531 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
532 to stubs with non-sibling calls.
534 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
536 * doc/invoke.texi (-fira-* options): Copy-edit.
537 (ira-* parameters): Copy-edit.
539 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
541 * doc/invoke.texi: Minor copy-edits to bring into conformance with
542 GCC coding conventions.
544 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
546 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
547 when used as adjectives.
549 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
551 * doc/invoke.texi: Clean up "that"/"which" confusion.
553 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
555 * system.h: Poison SMALL_REGISTER_CLASSES
556 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
557 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
559 2012-02-16 Jakub Jelinek <jakub@redhat.com>
561 PR tree-optimization/52285
562 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
563 when deciding if a call is a tail call or tail recursion.
565 2012-02-16 Kai Tietz <ktietz@redhat.com>
567 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
568 interger-constant displacement for UNSPEC_PCREL.
570 2012-02-16 Jakub Jelinek <jakub@redhat.com>
572 PR rtl-optimization/52208
573 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
574 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
576 PR tree-optimization/52255
577 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
578 loop->header has virtual PHI, but exit_e->dest doesn't, add
579 virtual PHI to exit_e->dest and adjust all uses after the loop.
582 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
583 children with clone_tree_hash, not after it.
585 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
587 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
588 extended identifiers.
590 2012-02-16 Jakub Jelinek <jakub@redhat.com>
593 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
594 a same_body_alias, also test whether e->callee isn't a former
595 or current clone of the decl this is a same body alias of.
598 * cgraphunit.c (verify_cgraph_node): Fix a typo.
600 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
602 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
604 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
607 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
608 force_reg instead of copy_to_reg for better optimization. Force
609 non-register or memory operands into a register.
611 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
613 * extend.texi: Reserve upper bits of memory model for future use.
615 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
616 Anatoly Sokolov <aesok@post.ru>
617 Eric Weddington <eric.weddington@atmel.com>
620 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
621 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
622 Rewrite initializers for .macro.
623 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
624 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
625 atxmega32d4, atxmega32x1.
626 avrxmega4: atxmega64a3, atxmega64d3.
627 avrxmega5: atxmega64a1, atxmega64a1u.
628 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
629 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
630 avrxmega7: atxmega128a1, atxmega128a1u.
631 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
632 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
633 (struct base_arch_s): Rename reserved to xmega_p.
634 Rename reserved2 to have_rampd.
635 (AVR_XMEGA): New define.
636 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
637 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
638 * config/avr/predicates.md (io_address_operand): Take into
640 (low_io_address_operand): Ditto.
641 (high_io_address_operand): Ditto.
642 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
643 (enabled, movhi_sp_r): Use them.
644 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
645 cpp_define_formatted to built-in define __AVR_ARCH__.
646 (__AVR_XMEGA__): New built-in define.
647 (__AVR_HAVE_RAMPD__): New built-in define.
648 (__AVR_HAVE_RAMPX__): New built-in define.
649 (__AVR_HAVE_RAMPY__): New built-in define.
650 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
652 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
653 (avr_option_override): Initialize them.
654 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
655 (avr_init_expanders): Initialize them. No more block several calls.
656 (emit_push_sfr): New static function.
657 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
659 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
660 (avr_print_operand): Print addreeses as symbols for
661 RAMPX, RAMPY, RAMPD, CCP.
662 (output_movhi): Handle AVR_XMEGA when writing to SP.
663 (avr_out_movhi_mr_r_xmega): New static function.
664 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
665 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
666 __RAMPD__, __CCP__ as needed.
668 * config/avr/multilib.h: Regenerate.
669 * config/avr/t-multilib: Regenerate.
670 * config/avr/avr-tables.opt: Regenerate.
672 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
674 PR tree-optimization/50561
675 * graphite-flattening.c (lst_project_loop): Do not
676 remove old scattering dimensions after flattening.
677 (lst_do_flatten): Likewise.
679 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
681 * doc/extend.texi (AVR Built-in Functions): Remove doc for
682 __builtin_avr_map8, __builtin_avr_map16.
683 Document __builtin_avr_insert_bits.
685 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
686 (insert_bits): New insn.
687 (adjust_len.map_bits): Rename to insert_bits.
688 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
689 * avr-protos.h (avr_out_map_bits): Remove.
690 (avr_out_insert_bits, avr_has_nibble_0xf): New.
691 * config/avr/constraints.md (Cxf,C0f): New.
692 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
693 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
694 New built-in define __BUILTIN_AVR_INSERT_BITS.
695 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
696 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
697 (avr_move_bits): Rewrite.
698 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
700 (avr_map_op_t): New typedef.
701 (avr_map_op): New static variable.
702 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
703 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
704 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
705 (bdesc_3arg, avr_expand_triop_builtin): New.
706 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
707 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
708 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
709 (avr_map_equal_p, avr_map_sig_p): Remove.
710 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
711 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
712 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
713 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
714 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
715 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
717 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
719 * config/c6x/c6x.md (reserve_cycles): New attribute.
720 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
721 don't reserve functional units after the branch occurs.
723 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
726 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
727 functions into non-tm_pure functions.
729 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
732 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
733 (iterative_hash_canonical_type): Likewise.
734 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
737 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
739 * haifa-sched.c (prune_ready_list): Ensure that if there is a
740 sched-group insn, it either remains alone or the entire list is pruned.
742 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
744 * doc/install.texi (Prerequisites): Fix grammar.
745 (Configuration): Likewise.
747 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
749 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
750 MPC as part of GCC before describing configuring with --with-gmp etc.
751 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
754 2012-02-14 Jakub Jelinek <jakub@redhat.com>
757 * dwarf2out.c (clone_tree_hash): New function.
758 (copy_decls_walk): Use it instead of clone_tree.
760 2012-02-14 Richard Guenther <rguenther@suse.de>
762 PR tree-optimization/52244
763 PR tree-optimization/51528
764 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
765 replacements for integral types.
767 2012-02-14 Walter Lee <walt@tilera.com>
769 * config.gcc: Handle tilegx and tilepro.
770 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
772 Add HAVE_AS_TLS check for tilegx and tilepro.
773 * configure: Regenerate.
774 * doc/contrib.texi: Add Mat Hostetter and self.
775 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
776 Document instruction intrinsics and network accessing intrinsics.
777 (TILEPro Built-in Functions): New node. Document instruction
778 intrinsics and network accessing intrinsics.
779 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
780 (Specific, tilepro-*-linux*): Likewise.
781 * doc/invoke.texi (TILE-Gx Options): New section.
782 (TILEPro Options): New section.
783 * doc/md.texi (TILE-Gx): New section.
784 (TILEPro): New section.
785 * common/config/tilegx/tilegx-common.c: New file.
786 * common/config/tilepro/tilepro-common.c: New file.
787 * config/tilegx/constraints.md: New file.
788 * config/tilegx/linux.h: New file.
789 * config/tilegx/mul-tables.c: New file.
790 * config/tilegx/predicates.md: New file.
791 * config/tilegx/sync.md: New file.
792 * config/tilegx/t-tilegx: New file.
793 * config/tilegx/tilegx-builtins.h: New file.
794 * config/tilegx/tilegx-c.c: New file.
795 * config/tilegx/tilegx-generic.md: New file.
796 * config/tilegx/tilegx-modes.def: New file.
797 * config/tilegx/tilegx-multiply.h: New file.
798 * config/tilegx/tilegx-protos.h: New file.
799 * config/tilegx/tilegx.c: New file.
800 * config/tilegx/tilegx.h: New file.
801 * config/tilegx/tilegx.md: New file.
802 * config/tilegx/tilegx.opt: New file.
803 * config/tilepro/constraints.md: New file.
804 * config/tilepro/gen-mul-tables.cc: New file.
805 * config/tilepro/linux.h: New file.
806 * config/tilepro/mul-tables.c: New file.
807 * config/tilepro/predicates.md: New file.
808 * config/tilepro/t-tilepro: New file.
809 * config/tilepro/tilepro-builtins.h: New file.
810 * config/tilepro/tilepro-c.c: New file.
811 * config/tilepro/tilepro-generic.md: New file.
812 * config/tilepro/tilepro-modes.def: New file.
813 * config/tilepro/tilepro-multiply.h: New file.
814 * config/tilepro/tilepro-protos.h: New file.
815 * config/tilepro/tilepro.c: New file.
816 * config/tilepro/tilepro.h: New file.
817 * config/tilepro/tilepro.md: New file.
818 * config/tilepro/tilepro.opt: New file.
820 2012-02-14 Jakub Jelinek <jakub@redhat.com>
822 PR tree-optimization/52210
823 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
824 vect_model_simple_cost with two entry vect_def_type array instead
827 2012-02-14 Richard Guenther <rguenther@suse.de>
830 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
831 Do not stream DECL_QUALIFIER.
832 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
833 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
834 (find_decls_types_r): Do not walk DECL_QUALIFIER.
836 2012-02-14 Jakub Jelinek <jakub@redhat.com>
839 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
842 2012-02-13 Jakub Jelinek <jakub@redhat.com>
845 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
846 * cselib.c (cselib_subst_to_values_from_insn): New function.
847 * sched-deps.c (add_insn_mem_dependence,
848 sched_analyze_1, sched_analyze_2): Use it.
850 2012-02-13 Jan Hubicka <jh@suse.cz>
853 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
855 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
857 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
858 (GTM_SELF_SPECS): Define if not already defined.
859 (driver_self_specs): Add GTM_SELF_SPECS.
860 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
861 (GTM_SELF_SPECS): Define.
862 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
863 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
865 2012-02-13 Jakub Jelinek <jakub@redhat.com>
867 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
870 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
873 * omp-low.c (expand_omp_for): If a static schedule without chunk size
874 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
876 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
879 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
881 2012-02-13 Richard Guenther <rguenther@suse.de>
884 * passes.c (enable_disable_pass): Fix typo.
886 2012-02-13 Jakub Jelinek <jakub@redhat.com>
889 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
890 XOR for reduce_bit_field if type is unsigned.
892 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
894 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
895 disallow changes from SFmode to mode with different size in FP regs.
897 2012-02-12 Robert Millan <rmh@gnu.org>
898 Gerald Pfeifer <gerald@pfeifer.com>
900 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
903 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
905 PR rtl-optimization/52175
906 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
907 to frame-related instructions.
909 2012-02-10 Jason Merrill <jason@redhat.com>
912 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
913 (demangle_new_symbols): Fill it.
914 (scan_linker_output): Walk it.
915 (start_tweaking): Split out from scan_linker_output.
916 (maybe_tweak): Update sym->chosen.
917 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
919 2012-02-11 Jakub Jelinek <jakub@redhat.com>
922 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
924 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
926 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
927 having the same mode as previous compare.
929 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
931 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
932 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
933 (nonlocal_goto_internal): Likewise.
934 (nonlocal_goto): Emit a use and an indirect jump directly.
936 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
939 * doc/extend.texi : Update comments for __atomic_compare_exchange and
940 __atomic_{is,always}_lock_free.
942 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
945 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
946 negative constant address for x32.
948 2012-02-10 Richard Henderson <rth@redhat.com>
950 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
951 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
952 for GIMPLE_TRANSACTION. Tidy if's into a switch.
954 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
955 Ira Rosen <irar@il.ibm.com>
957 PR tree-optimization/50031
958 * targhooks.c (default_builtin_vectorization_cost): Handle
960 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
961 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
962 all types of reduction and pattern statements.
963 (vect_estimate_min_profitable_iters): Likewise.
964 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
965 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
966 for explicit realigns.
967 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
968 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
970 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
971 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
972 vec_perm for VSX and handle vec_promote_demote.
974 2012-02-10 Jakub Jelinek <jakub@redhat.com>
977 * builtins.c (fold_builtin_atomic_always_lock_free,
978 expand_builtin_atomic_always_lock_free,
979 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
980 Return and/or test boolean_true_node/boolean_false_node instead of
981 integer_one_node/integer_zero_node.
983 2012-02-10 Jan Hubicka <jh@suse.cz>
986 * predict.c (predict_paths_for_bb): Prevent looping.
987 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
989 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
991 * config/arm/arm.c (output_move_double): In one case properly
992 count number of instructions that will be emitted.
994 2012-02-10 Richard Guenther <rguenther@suse.de>
997 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
999 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1002 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1004 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1007 * var-tracking.c (emit_note_insn_var_location): If
1008 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1009 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1010 non-NOTE_DURING_CALL_P insn.
1012 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1015 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1017 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1020 * gcc.c (switch_matches) Support switches with separated form,
1023 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1025 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1027 (RAMPZ_ADDR): Ditto.
1028 * config/avr/avr.c (avr_addr_t): New typedef.
1029 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1030 (avr_init_expanders): Initialize it.
1031 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1033 (expand_epilogue): Ditto.
1034 (avr_print_operand): Ditto.
1035 (avr_file_start): Ditto.
1036 (avr_emit_movmemhi): Ditto.
1038 2012-02-08 Richard Guenther <rguenther@suse.de>
1040 PR tree-optimization/46886
1041 * tree-flow.h (do_while_loop_p): Declare.
1042 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1043 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1045 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1047 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1048 always succeed for integers larger than a native word.
1050 2012-02-08 Richard Guenther <rguenther@suse.de>
1052 PR rtl-optimization/52170
1053 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1054 properly handle integer vector modes.
1056 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1058 PR gcov-profile/52150
1059 * coverage.c: Include target.h.
1060 (build_var): Call targetm.strip_name_encoding on the assembler name.
1061 Change one _ into . or $ if the target allows it.
1062 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1064 PR rtl-optimization/52139
1065 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1066 is a BARRIER after emit_insn_after_noloc, move BB_END
1067 to the last non-BARRIER insn before it.
1069 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1072 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1073 (mips_gimplify_va_arg_expr): Call it instead of
1074 std_gimplify_va_arg_expr.
1076 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1078 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1079 message for -mno-pointers-to-nested-function.
1081 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1084 * expr.c (get_inner_reference): If there is an offset, add a negative
1085 bit position to it (if any).
1087 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1089 PR rtl-optimization/52060
1090 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1091 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1092 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1093 and/or i0src_copy2 when needed.
1095 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1097 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1098 or LTOPLUGINSONAME if have_c.
1100 * config/freebsd-spec.h: Add comment about what macros can be defined
1102 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1103 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1106 2012-02-07 Richard Guenther <rguenther@suse.de>
1108 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1109 newline in -alias dumps.
1111 2012-02-07 Kai Tietz <ktietz@redhat.com>
1112 Dave Korn <dave.korn.cygwin@gmail.com>
1115 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1116 Take care that typinfo gets dllexport-attribute.
1118 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1121 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1122 if modifier < EXPAND_SUM call force_operand on the result.
1124 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1126 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1127 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1129 (epiphany_function_type): Replace types for specific interrupts with
1130 EPIPHANY_FUNCTION_INTERRUPT.
1131 (EPIPHANY_INTERRUPT_P): Update.
1132 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1133 New static function.
1134 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1135 <disinterrupt>: Affects type identity.
1136 (epiphany_handle_interrupt_attribute): Handle variable number of
1138 (epiphany_compute_function_type): Update for new
1139 epiphany_function_type definition.
1140 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1141 handlers with a longcall forwarder.
1142 (epiphany_start_function): Handle multiple interrupt arguments and/or
1143 forwarder_section attribute.
1145 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1148 2012-02-07 Alan Modra <amodra@gmail.com>
1151 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1154 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1156 PR tree-optimization/50969
1157 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1158 use vec_perm rather than vector_stmt.
1159 (vect_model_load_cost): Likewise.
1160 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1161 vec_perm to be the same as other vector statements.
1162 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1163 cost of vec_perm for TARGET_VSX.
1165 2012-02-06 Richard Guenther <rguenther@suse.de>
1167 PR tree-optimization/52115
1168 * tree-sra.c (access_has_replacements_p): New function.
1169 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1171 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1174 * trans-mem.c (expand_call_tm): Add an assertion.
1175 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1178 2012-02-06 Richard Guenther <rguenther@suse.de>
1180 PR tree-optimization/50955
1181 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1182 raise cost of expressions that replace an address with an
1183 expression based on a different pointer.
1185 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1188 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1189 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1191 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1194 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1195 -Weffc++ and specify guidelines come from second edition.
1197 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1199 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1200 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1201 (call_direct_split, call_value_split, call_value_internal_direct)
1202 (call_value_direct_split, call_value_multiple_split): Use jal and
1203 jal_macro attributes.
1205 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1207 * reload1.c (reload_regs_reach_end_p): Replace with...
1208 (reload_reg_rtx_reaches_end_p): ...this function.
1209 (new_spill_reg_store): Update commentary.
1210 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1211 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1212 before setting new_spill_reg_store.
1213 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1214 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1215 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1216 for non-spill reload registers.
1218 2012-02-05 Ira Rosen <irar@il.ibm.com>
1220 PR tree-optimization/52091
1221 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1222 (vect_is_simple_use_1): Likewise.
1223 * tree-vect-loop.c (vectorizable_reduction): Update calls
1224 to vect_is_simple_use_1 and vect_is_simple_use.
1225 (vectorizable_live_operation): Likewise.
1226 * tree-vect-patterns.c (widened_name_p,
1227 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1228 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1229 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1230 vectorizable_shift,vectorizable_operation, vectorizable_store,
1231 vectorizable_load): Likewise.
1232 (vect_is_simple_cond): Add an argument, pass it to
1233 vect_is_simple_use_1.
1234 (vectorizable_condition): Update calls to vect_is_simple_cond,
1236 (vect_is_simple_use): Add an argument, the statement in which
1237 OPERAND is used. Check that if OPERAND's def stmt is a double
1238 reduction phi node, the use is a phi node too.
1239 (vect_is_simple_use_1): Add an argument, pass it to
1241 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1242 to vect_is_simple_use.
1244 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1246 PR rtl-optimization/52095
1247 * modulo-sched.c (dump_insn_locator): New function.
1248 (loop_canon_p, sms_schedule): Use it.
1250 PR rtl-optimization/52113
1251 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1252 even for decomposable shift/zext insns.
1254 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1255 Zdenek Dvorak <ook@ucw.cz>
1257 PR rtl-optimization/52092
1258 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1259 on get_iv_value result.
1261 2012-02-02 Andrew Pinski <apinski@cavium.com>
1265 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1267 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1270 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1272 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1274 PR rtl-optimization/49800
1275 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1276 (sched_finish): Call regstat_free_n_sets_and_refs.
1278 2012-02-02 Jia Liu <proljc@gmail.com>
1280 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1283 2012-02-02 Jan Hubicka <jh@suse.cz>
1284 Tom de Vries <tom@codesourcery.com>
1287 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1288 * varpool.c (varpool_analyze_pending_decls): Likewise.
1290 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1291 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1293 * config.gcc: Add cr16-* support.
1295 * doc/extend.texi: Document cr16 extensions.
1296 * doc/install.texi: Document cr16 install.
1297 * doc/invoke.texi: Document cr16 options.
1298 * doc/md.texi: Document cr16 constraints.
1300 * common/config/cr16/cr16-common.c: New file.
1301 * config/cr16/cr16.c: New file.
1302 * config/cr16/cr16.h: New file.
1303 * config/cr16/cr16.md: New file.
1304 * config/cr16/cr16.opt: New file.
1305 * config/cr16/cr16-protos.h: New file.
1306 * config/cr16/predicates.md: New file.
1307 * config/cr16/constraints.md: New file.
1308 * config/cr16/t-cr16: New file.
1310 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1313 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1314 that operands[2] is either immediate, or q_regs_operand.
1316 PR tree-optimization/52073
1317 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1318 a pattern stmt for pattern uses, ignore uses outside of the loop.
1320 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1322 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1323 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1324 (OUT_AS1, OUT_AS2): Remove.
1326 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1328 PR rtl-optimization/51374
1329 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1330 to cross other volatile_refs_p insns.
1332 2012-02-01 Richard Guenther <rguenther@suse.de>
1334 * doc/invoke.texi (fno-inline): Clarify documentation.
1335 (finline-small-functions): Likewise.
1336 (finline-functions): Likewise.
1337 * common.opt (finline): Adjust comment and documentation.
1338 (finline-small-functions): Clarify documentation.
1339 (finline-functions): Likewise.
1340 (finline-functions-called-once): Likewise.
1342 2012-02-01 Tristan Gingold <gingold@adacore.com>
1344 * c-typeck.c (composite_type): Keep mode for pointers.
1346 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1348 * function.h (regno_reg_rtx): Adjust comment.
1349 * reginfo.c (init_reg_modes_target): Only use the previous mode
1350 if it fits within one register. Remove MIPS comment.
1352 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1355 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1357 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1359 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1360 to srak instruction.
1362 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1364 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1366 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1371 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1373 2012-01-31 Richard Guenther <rguenther@suse.de>
1375 PR tree-optimization/51528
1376 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1379 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1384 * ree.c (add_removable_extension): Change def_map argument
1385 to unsigned *, store in def_map 1 + offset into *insn_list vector
1386 instead of pointers into the vector.
1387 (find_removable_extensions): Adjust caller.
1389 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1391 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1392 Transform all "* quoted-c-code" to { c-code }.
1393 Remove redundant test for "optimize" in combine patterns.
1394 Move (include "avr-dimode.md") to end of file.
1396 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1399 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1400 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1402 2012-01-30 Richard Guenther <rguenther@suse.de>
1404 PR tree-optimization/52028
1405 * tree-loop-distribution.c (ldist_gen): Properly update
1408 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1411 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1412 set_cur_line_info_table if not emitting debug info.
1414 PR tree-optimization/52046
1415 * tree-vect-patterns.c (check_bool_pattern): Give up if
1416 a comparison could throw.
1419 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1421 2012-01-30 Richard Guenther <rguenther@suse.de>
1423 PR tree-optimization/52045
1424 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1425 SSA form if cfgcleanup did anything.
1427 2012-01-30 Richard Guenther <rguenther@suse.de>
1429 PR tree-optimization/52045
1430 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1431 before computing final todo.
1433 2012-01-30 Richard Guenther <rguenther@suse.de>
1435 PR tree-optimization/51528
1436 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1439 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1441 * df-problems.c (df_kill_notes): Check that the use refers
1442 to the note under examination.
1444 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1447 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1448 parameter and use short-lived pseudos.
1449 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1450 (sparc_expand_vector_init): Const-ify local variables and adjust
1451 calls to above functions.
1453 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1455 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1457 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1459 * doc/invoke.texi: Make usage of "compile time" and
1460 "run time"/"runtime" consistent throughout the file.
1462 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1464 * config/alpha/alpha.c (alpha_option_override): Default to
1465 full IEEE compliance mode for Go language.
1467 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1469 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1470 (LINK_SSP_SPEC): Define.
1472 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1475 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1478 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1480 * doc/invoke.texi: Correct hyphenation of "floating point",
1481 "double precision", and related terminology throughout the file.
1483 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1486 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1487 arm_general_register_operand predicate for operand 2 instead of
1490 2012-01-27 Ian Lance Taylor <iant@google.com>
1493 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1494 * builtins.c (expand_builtin_init_trampoline): Add onstack
1495 parameter. Change caller.
1496 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1497 * tree.c (build_common_builtin_nodes): Declare
1498 __builtin_init_heap_trampoline.
1500 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1502 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1503 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1504 * config/avr/avr.c: Ditto.
1505 (avr_regnames): Remove because unused.
1506 * config/avr/avr.md (*cpse.ne): New peephole.
1507 (*cpse.eq): New peephole from former cpse peepholes.
1509 2012-01-27 Michael Eager <eager@eagercon.com>
1511 * config/microblaze.c (microblaze_emit_compare): Correct
1512 test after pcmp instruction.
1514 2012-01-27 Richard Guenther <rguenther@suse.de>
1516 PR tree-optimization/52020
1517 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1519 2012-01-27 Richard Guenther <rguenther@suse.de>
1521 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1522 function non-const/pure.
1524 2012-01-27 Richard Guenther <rguenther@suse.de>
1526 PR tree-optimization/50444
1527 * tree-sra.c (build_ref_for_offset): Properly adjust the
1528 MEM_REF type for unaligned accesses.
1530 2012-01-27 Richard Guenther <rguenther@suse.de>
1532 PR tree-optimization/50444
1533 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1534 (expand_assignment): Use it. Properly handle misaligned
1535 bases when expanding stores to component references.
1536 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1539 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1542 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1543 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1544 * tree-data-ref.c (find_data_references_in_loop): Make static.
1545 (compute_all_dependences): Change return type to bool. Bail out
1546 for too many datarefs in a loop. Move the hunk resetting the data
1547 dependences vector from ...
1548 (compute_data_dependences_for_loop): ... here. Account for
1549 compute_all_dependences returning false.
1550 (compute_data_dependences_for_bb): Likewise.
1551 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1552 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1554 2012-01-27 Richard Guenther <rguenther@suse.de>
1557 * expr.c (store_field): Use the alias-set of the scratch memory
1560 2012-01-27 Tom de Vries <tom@codesourcery.com>
1562 PR tree-optimization/51990
1563 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1565 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1567 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1570 * var-tracking.c (reverse_op): Don't add any reverse operation
1571 if V already has any constant locations.
1573 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1575 * doc/invoke.texi: Correct usage of "command line" (noun)
1576 vs "command-line" (adjective) throughout.
1578 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1580 * doc/invoke.texi (Language Independent Options): Move
1581 -Wcoverage-mismatch blurb from here....
1582 (Warning Options): ...to here.
1584 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1586 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1587 Set rs6000_always_hint to false for 476.
1589 2012-01-27 Matthias Klose <doko@ubuntu.com>
1591 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1593 * incpath.c (add_standard_paths): Likewise.
1595 2012-01-27 Richard Henderson <rth@redhat.com>
1597 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1598 * config/m68k/sync.md (atomic_test_and_set): Rename from
1599 sync_test_and_setqi and adjust the operands.
1600 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1601 and unconditionally enable.
1603 2012-01-27 Richard Henderson <rth@redhat.com>
1605 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1606 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1607 (ldstub): Rename from ldstubqi.
1608 (ldstub<I24MODE>): Remove.
1610 2012-01-27 Richard Henderson <rth@redhat.com>
1612 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1613 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1614 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1615 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1616 * doc/tm.texi: Rebuild.
1618 2012-01-27 Richard Henderson <rth@redhat.com>
1620 * optabs.c (gen_atomic_test_and_set): Remove default.
1621 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1623 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1625 PR rtl-optimization/51978
1626 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1627 (combine_reaching_defs): Likewise.
1628 (struct re_info): Remove.
1629 (add_removable_extension): Remove x and data arguments,
1630 add insn, insn_list and def_map. Use the arguments directly
1631 instead of using struct re_info.
1632 (find_removable_extensions): Don't call add_removable_extension
1633 through note_stores, instead just call it with single_set
1635 (find_and_remove_re): Pass curr_cand->expr instead of
1636 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1638 2012-01-26 Michael Matz <matz@suse.de>
1640 PR tree-optimization/46590
1641 * cfgexpand.c: Revert last change (r183305).
1642 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1644 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1645 checking for emptiness.
1647 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1650 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1651 non-addressable non-BLKmode base correctly.
1653 2012-01-26 Michael Matz <matz@suse.de>
1655 PR tree-optimization/48794
1656 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1657 regions referenced from RESX/EH_DISPATCH.
1659 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1661 * config/s390/s390.h: Make BRANCH_COST an option.
1662 * config/s390/s390.opt: New option -mbranch-cost.
1664 2012-01-26 Richard Henderson <rth@redhat.com>
1666 Revert 2012-01-24 change:
1667 * trans-mem.c (requires_barrier): Do not instrument thread local
1668 variables and emit save/restore for them.
1670 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1673 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1676 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1678 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1681 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1684 Rename __pgm to __flash.
1685 Rename __pgm1 to __flash1.
1686 Rename __pgm2 to __flash2.
1687 Rename __pgm3 to __flash3.
1688 Rename __pgm4 to __flash4.
1689 Rename __pgm5 to __flash5.
1690 Rename __pgmx to __memx.
1691 * doc/extend.texi (AVR Named Address Spaces)
1692 Rename address space names as indicated above.
1693 * config/avr/avr.c (avr_addrspace): Ditto.
1695 * config/avr/avr-protos.h
1696 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1697 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1698 * config/avr/predicates.md: Ditto.
1699 * config/avr/avr.c Ditto, and
1700 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1701 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1703 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1704 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1705 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1706 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1707 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1708 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1709 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1710 * config/avr/avr.c: Ditto.
1711 * config/avr/avr.md: Ditto.
1713 2012-01-25 Jason Merrill <jason@redhat.com>
1716 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1718 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1720 PR tree-optimization/51987
1721 * tree-data-ref.c (get_references_in_stmt): Handle references in
1722 non-volatile GIMPLE_ASM.
1724 2012-01-25 Richard Guenther <rguenther@suse.de>
1726 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1727 bases are dereferenced.
1729 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1731 PR rtl-optimization/48374
1732 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1734 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1736 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1737 compute_data_dependences_for_loop returns false.
1738 * tree-parloops.c (loop_parallel_p): Likewise.
1740 2012-01-25 Richard Guenther <rguenther@suse.de>
1742 * tree.h (get_pointer_alignment_1): Declare.
1743 * builtins.c (get_pointer_alignment_1): New function.
1744 (get_pointer_alignment): Use it.
1746 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1748 PR rtl-optimization/48308
1749 * combine.c (enum undo_kind): Add UNDO_LINKS.
1750 (struct undo): Add member l to other_contents and where.
1751 (do_SUBST_LINK): New.
1753 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1754 (undo_all): Handle UNDO_LINKS.
1756 2012-01-25 Richard Henderson <rth@redhat.com>
1758 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1761 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1763 * optabs.c (gen_atomic_test_and_set): Use each argument.
1765 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1767 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1768 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1769 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1770 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1771 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1772 TARGET_PAIRED_SINGLE_FLOAT.
1774 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1776 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1777 (in_struct, return_val): Remove MEM documentation.
1778 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1779 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1780 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1782 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1783 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1784 * expr.c (store_field): Likewise.
1785 * function.c (assign_stack_temp_for_type): Likewise.
1786 * ifcvt.c (noce_try_cmove_arith): Likewise.
1787 * reload1.c (reload): Likewise.
1788 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1789 (alpha_set_memflags): Likewise.
1790 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1792 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1794 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1796 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1797 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1798 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1800 * cselib.c (cselib_rtx_varies_p): Delete.
1801 (cselib_invalidate_mem): Update call to canon_true_dependence.
1802 * dse.c (record_store, check_mem_read_rtx): Likewise.
1803 (scan_reads_nospill): Likewise.
1804 * cse.c (check_dependence): Likewise.
1805 (cse_rtx_varies_p): Delete.
1806 * expr.c (safe_from_p): Update call to true_dependence.
1807 * ira.c (validate_equiv_mem_from_store): Likewise.
1808 (memref_referenced_p): Likewise.
1809 * postreload-gcse.c (find_mem_conflicts): Likewise.
1810 * sched-deps.c (sched_analyze_2): Likewise.
1811 * store-motion.c (load_kills_store): Likewise.
1812 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1813 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1814 (compute_transp): Update call to canon_true_dependence.
1816 2012-01-25 Richard Henderson <rth@redhat.com>
1818 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1819 (maybe_emit_atomic_test_and_set): New.
1820 (expand_sync_lock_test_and_set): Use it.
1821 (expand_atomic_test_and_set): Likewise.
1822 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1823 the implementation; clarify implementation defined details.
1824 * doc/md.texi (atomic_test_and_set): Document.
1826 2012-01-25 Richard Henderson <rth@redhat.com>
1828 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1830 2012-01-25 Richard Henderson <rth@redhat.com>
1833 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1834 to effect no-op split.
1836 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1839 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1840 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1841 (BT_FN_VOID_PTR_INT_SIZE): New.
1842 (BT_FN_UINT_UINT_VAR): Remove.
1843 (BT_FN_UINT32_UINT32_VAR): New.
1844 (BT_FN_DOUBLE_VPTR): Remove.
1845 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1847 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1848 (_ITM_changeTransactionMode): Same.
1849 (_ITM_memmoveRtWt): Change return type to void.
1850 (_ITM_memcpyRtWt): Same.
1851 (_ITM_memsetW): Same.
1852 (_ITM_RaRD): Change types to double.
1857 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1859 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1860 Patrick Marlier <patrick.marlier@gmail.com>
1862 * trans-mem.c (requires_barrier): Do not instrument thread local
1863 variables and emit save/restore for them.
1865 2012-01-24 Jason Merrill <jason@redhat.com>
1868 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1869 output static aliases.
1871 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1874 * common.opt (-pie, -shared, pie, shared): Change from Common to
1876 * gcc.c (display_help): Display help for -pie and -shared.
1878 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1881 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1882 Remove note on size/offset limitation.
1883 (AVR Variable Attributes): Add example how to read data located
1884 with progmem. Refer to named address spaces.
1885 * doc/invoke.texi (AVR Options): Fix typo.
1887 2012-01-24 Richard Guenther <rguenther@suse.de>
1889 Forward-port to trunk
1890 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1893 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1894 op0 isn't sufficiently aligned and there is movmisalignM
1895 insn for mode, use it to load op0 into a temporary register.
1897 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1900 * target.def (const_not_ok_for_debug_p): New hook.
1901 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1903 * doc/tm.texi: Regenerated.
1904 * dwarf2out.c (const_ok_for_output_1): If
1905 targetm.const_not_ok_for_debug_p returns true, fail.
1906 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1908 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1910 2012-01-23 Kai Tietz <ktietz@redhat.com>
1913 * config/i386/predicates.md (symbolic_operand): Allow
1914 UNSPEC_PCREL as PIC expression for lea.
1915 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1916 * config/i386/i386.c (ix86_delegitimize_address): Handle
1917 UNSPEC_PCREL for none-MEM, too.
1919 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1921 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1922 (ipa_tm_create_version_alias): Same.
1924 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1927 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1928 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1930 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1931 Patrick Marlier <patrick.marlier@gmail.com>
1932 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1935 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1936 simple_object_start_read.
1938 2012-01-23 Richard Guenther <rguenther@suse.de>
1941 PR tree-optimization/51895
1942 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1943 parameter decomposition into BLKmode components.
1945 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1947 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1948 fake variables for restrict-qualified pointers whose pointed-to type
1949 contains a placeholder.
1951 2012-01-23 Richard Guenther <rguenther@suse.de>
1953 PR tree-optimization/51949
1954 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1956 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1958 PR rtl-optimization/51933
1959 * ree.c (transform_ifelse): Return true right away if dstreg is
1960 already wider or equal to cand->mode.
1961 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1962 (make_defs_and_copies_lists): Remove defs_list and copies_list
1963 arguments, add state argument, just truncate state->work_list
1964 instead of always allocating and freeing the vector. Assert that
1965 get_defs succeeds instead of returning 2. Changed return type to bool.
1966 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1967 have ext_src_mode, see if it has been modified already with the
1968 right kind of extension and has been extended before from the
1969 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1970 just return true. Remember the original mode in state->modified array.
1971 (combine_reaching_defs): Add state argument. Don't allocate and
1972 free here def_list, copied_list and vec vectors, instead just
1973 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1974 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1975 Add state variable, clear vectors in it, initialize state.modified
1976 if needed. Free all the vectors at the end and state.modified too.
1977 Don't skip a candidate if the extension expression has been modified.
1979 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1982 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1983 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1984 (extra_options) interix.opt -> i386/interix.opt"
1985 (extra_objs):Add winnt-stubs.o
1986 * configure.ac: Add interix to target_os .comm on PE check.
1987 * configure: Regenerate.
1988 * config/interix3.h: Delete and move bits to..
1989 * config/interix.h: Delete and move bits to..
1990 * config/i386/i386-interix3.h: Delete and move bits to..
1991 * config/i386/i386-interix.h: ..here.
1992 (TARGET_CPU_DEFAULT): Remove redefinition.
1993 (TARGET_ASM_CONSTRUCTOR): Undefine.
1994 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1995 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1996 (PTRDIFF_TYPE): Define.
1997 (LONG_DOUBLE_TYPE_SIZE): Define.
1998 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1999 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2000 (TARGET_SECTION_TYPE_FLAGS): Define.
2001 (ASM_DECLARE_FUNCTION_NAME): Define.
2002 (ASM_OUTPUT_EXTERNAL): Define.
2003 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2004 (ASM_OUTPUT_ALIGNED_BSS): Define.
2005 (PCC_BITFIELD_TYPE_MATTERS): Define.
2006 (USE_CONST_SECTION): Define.
2007 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2008 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2009 (SUPPORTS_ONE_ONLY): Remove.
2010 (I386_PE_STRIP_ENCODING): Define.
2011 * config/interix.opt: Delete and move bits to..
2012 * config/i386/interix.opt: ..here. New.
2013 (mpe-aligned-commons): Add.
2014 * config/i386/t-interix: Add copyright header.
2015 (winnt-stubs.o): Add rule.
2017 2012-01-22 Jason Merrill <jason@redhat.com>
2020 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2021 for extra name aliases.
2023 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2025 PR rtl-optimization/51924
2026 * ree.c (combine_set_extension): Improve debugging message.
2027 (combine_reaching_defs): Likewise.
2028 (get_defs): Rename confusingly named variable.
2029 (find_and_remove_re): Skip a candidate if the extension expression has
2032 2012-01-21 Robert Millan <rmh@gnu.org>
2033 Gerald Pfeifer <gerald@pfeifer.com>
2035 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2036 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2038 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2040 PR tree-optimization/51914
2041 * tree-vect-stmts.c (vectorizable_conversion): For
2042 cvt_type && modifier == WIDEN, put temporary with cvt_type
2043 at the beginning of vec_dsts and set vec_dest to temporary
2046 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2048 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2050 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2052 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2053 * config/rs6000/rs6000.c: Likewise.
2055 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2058 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2059 output_move_double on a copy of operands array.
2061 2012-01-20 Cary Coutant <ccoutant@google.com>
2062 Dodji Seketeli <dodji@redhat.com>
2065 * dwarf2out.c (copy_declaration_context): Return ref to parent
2066 of declaration DIE, if necessary.
2067 (remove_child_or_replace_with_skeleton): Add new parameter; update
2068 caller. Place skeleton DIE under parent DIE of original declaration.
2069 Move call to copy_declaration_context to here ...
2070 (break_out_comdat_types): ... from here.
2072 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2074 PR rtl-optimization/51856
2075 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2078 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2081 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2082 hints for neon loads and stores.
2084 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2088 * doc/extend.texi (Named Address Spaces): Split into subsections.
2089 (AVR Named Address Spaces): New subsection.
2090 (M32C Named Address Spaces): New subsection.
2091 (RL78 Named Address Spaces): New subsection.
2092 (SPU Named Address Spaces): New subsection.
2093 (Variable Attributes): New anchor "AVR Variable Attributes".
2094 (AVR Variable Attributes): Rewrite and avoid wording
2095 "address space" in this context.
2096 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2097 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2098 (AVR Built-in Macros): New subsubsection therein.
2099 * doc/md.texi (AVR constraints): Remove "C04", "R".
2101 2012-01-20 Richard Guenther <rguenther@suse.de>
2103 PR tree-optimization/51903
2104 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2105 when removing stmts.
2107 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2110 * config/arm/arm.c (arm_load_pic_register): Use
2111 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2112 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2113 (arm_pic_static_addr): Likewise.
2114 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2115 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2116 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2117 (pic_load_addr_unified): New.
2119 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2122 * function.c (instantiate_virtual_regs_in_insn): Use
2123 delete_insn_and_edges when removing a wrong asm insn.
2125 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2127 PR rtl-optimization/40761
2128 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2129 Add new member loop_num.
2130 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2131 (ira_build): Remove the parameter.
2133 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2134 (ira.c): Do not build CFG loops for one region allocation. Remove
2135 argument from ira_build call.
2137 * ira-build.c (init_loop_tree_node): New function.
2138 (create_loop_tree_nodes): Use it. Separate the case when CFG
2139 loops are not built.
2140 (more_one_region_p): Check current_loops.
2141 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2143 (add_loop_to_tree): Process loop equal to NULL too.
2144 (form_loop_tree): Separate the case when CFG loops are not built.
2145 Use explicitly number for the root.
2146 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2148 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2149 instead of loop->num.
2150 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2151 (mark_all_loops_for_removal): Ditto.
2152 (remove_unnecessary_regions): Separate the case when CFG loops
2154 (ira_build): Remove the parameter. Use explicit number of regions
2155 when CFG loops are not built.
2157 * ira-color.c (print_loop_title): Separate the case for the root node.
2158 Use loop_num instead of loop->num.
2159 (move_spill_restore): Use loop_num instead of loop->num.
2161 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2162 (change_loop): Ditto.
2163 (change_loop): Use loop_num instead of loop->num.
2165 * ira-lives.c (process_bb_node_lives): Ditto.
2167 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2169 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2171 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2174 * tree-mudflap.c (mf_artificial): New function.
2175 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2176 mx_register_decls, mudflap_enqueue_decl): Use it.
2179 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2180 numbers in the insn pattern.
2182 2012-01-19 Michael Matz <matz@suse.de>
2184 PR tree-optimization/46590
2185 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2186 use it in remembering which conflicts we already created.
2187 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2190 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2193 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2194 (merge_and_complain): Same.
2196 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2199 * config/initfini-array.h: Guard content of the header
2200 with #ifdef HAVE_INITFINI_ARRAY.
2201 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2202 Add initfini-array.h to tm_file here.
2203 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2204 * config.gcc: Don't add initfini-array.h to tm_file here.
2205 * configure: Regenerated.
2207 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2209 PR rtl-optimization/51505
2210 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2211 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2212 (df_note_bb_compute): Update the call to df_kill_notes.
2214 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2216 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2218 2012-01-18 Richard Guenther <rguenther@suse.de>
2220 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2221 of conversions to void *.
2223 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2224 Richard Sandiford <rdsandiford@googlemail.com>
2228 * optabs.h (simplify_expand_binop): Declare.
2229 * optabs.c (simplify_expand_binop): Make global.
2230 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2231 endian targets if the source cannot be exactly covered by word
2234 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2237 * hard-reg-set.h (struct hard_reg_set_container): New type.
2238 * target.h (struct hard_reg_set_container): Forward declare.
2239 * target.def (set_up_by_prologue): New target hook.
2240 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2241 * doc/tm.texi: Regenerated.
2242 * function.c (thread_prologue_and_epilogue_insns): Change
2243 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2244 Call targetm.set_up_by_prologue on it.
2245 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2246 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2248 2012-01-17 Nick Clifton <nickc@redhat.com>
2250 * config/rx/rx.c (rx_can_use_simple_return): New function.
2251 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2252 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2254 2012-01-17 Richard Guenther <rguenther@suse.de>
2257 * expr.c (expand_assignment): Take address-space information
2258 from the address operand of MEM_REF and TARGET_MEM_REF.
2259 (expand_expr_real_1): Likewise.
2261 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2263 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2264 reload dump is requested.
2266 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2269 * trans-mem.c (requires_barrier): Call may_be_aliased.
2271 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2273 PR tree-optimization/51877
2274 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2275 call arguments and fndecls compare equal, instead return false if they
2276 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2277 both SSA_NAMEs that are valueized the same, or they satisfy
2280 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2282 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2284 * configure: Regenerate.
2286 2012-01-16 Jan Hubicka <jh@suse.cz>
2290 * convert.c (convert_to_integer): Use fold_convert for
2291 converting an INTEGER_CST to integer type.
2293 2012-01-16 Jason Merrill <jason@redhat.com>
2296 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2298 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2301 * config/s390/s390.c (s390_chunkify_start): Don't skip
2302 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2303 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2304 If insn is followed by NOTE_INSN_VAR_LOCATION or
2305 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2306 Don't use location of note insns.
2308 PR tree-optimization/51865
2309 * tree-inline.c (tree_function_versioning): Call remap_decl
2310 on DECL_RESULT whenever it has VOID_TYPE_P type.
2312 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2314 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2315 for calls to locally-binding MIPS16 functions if only the return
2316 type uses float regs.
2318 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2319 Richard Sandiford <rdsandiford@googlemail.com>
2321 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2322 (SYMBOL_32_HIGH): Likewise.
2323 (mips_output_tls_reloc_directive): Declare.
2324 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2325 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2326 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2327 (mips_lo_relocs, mips_hi_relocs): Make extern.
2328 (mips16_stub_function): Move up file.
2329 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2330 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2331 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2332 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2333 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2334 (mips_get_tp): Add MIPS16 support.
2335 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2336 Generalize DTPREL and TPREL handling.
2337 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2338 Add MIPS16 TLS support.
2339 (mips_output_tls_reloc_directive): New function.
2340 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2341 * config/mips/predicates.md (symbolic_operand_with_high)
2342 (tls_reloc_operand): New predicates.
2343 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2344 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2345 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2346 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2347 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2348 (*tls_get_tp_mips16_call_<mode>): Likewise.
2350 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2352 PR rtl-optimization/51821
2353 * recog.c (peep2_find_free_register): Determine clobbered registers
2356 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2359 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2360 * config/avr/avr.c: Likewise.
2361 * config/avr/avr.h: Likewise.
2363 2012-01-13 Ian Lance Taylor <iant@google.com>
2366 * tree.h (TYPE_QUALS): Add cast to int.
2367 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2369 2012-01-13 Ian Lance Taylor <iant@google.com>
2371 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2372 comparing param_index to VEC_length result.
2374 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2376 * c-decl.c: Do not include tree-mudflap.h
2377 * tree-optimize.c: Likewise.
2378 * Makefile.in: Update dependencies.
2380 2012-01-13 Richard Guenther <rguenther@suse.de>
2383 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2384 variable-sized result always use RSO.
2386 2012-01-12 DJ Delorie <dj@redhat.com>
2388 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2389 pointer type, not just the default pointer type.
2391 2012-01-09 Richard Henderson <rth@redhat.com>
2392 Denis Chertykov <chertykov@gmail.com>
2395 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2396 * config/avr/avr.c (avr_can_eliminate): Simplify.
2397 (avr_initial_elimination_offset): Likewise.
2398 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2399 (expand_epilogue): Likewise.
2400 (avr_legitimize_address): Gut.
2401 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2402 (avr_hard_regno_nregs): New.
2403 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2404 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2405 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2406 add soft frame pointer.
2407 (CALL_USED_REGISTERS): Likewise.
2408 (REG_CLASS_CONTENTS): Likewise.
2409 (REGISTER_NAMES): Likewise.
2410 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2411 (HARD_FRAME_POINTER_REGNUM): New.
2412 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2413 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2414 remove the HARD_FRAME_POINTER self-elimination.
2416 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2419 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2420 DECL_EXTERNAL when checking for initializers of progmem variables.
2422 2012-01-12 Ira Rosen <irar@il.ibm.com>
2424 PR tree-optimization/51799
2425 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2426 that the last operation is a type demotion.
2428 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2430 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2431 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2433 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2436 * combine.c (distribute_notes): If i3 is a noreturn call,
2437 allow old_size to be equal to args_size and make sure the
2438 noreturn call gets REG_ARGS_SIZE note.
2439 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2440 on noreturn calls even when the delta is 0.
2442 2012-01-11 Nathan Sidwell <nathan@acm.org>
2444 * gcov.c (STRING_SIZE): Remove.
2445 (generate_results): Erase annotations for source files with no
2446 coverage information.
2448 (output_lines): Use it.
2450 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2452 * gimple.h (gimplify_body): Remove first argument.
2453 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2454 pointer set here, instead just pass DATA to walk_tree.
2455 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2456 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2457 (unvisit_body): Likewise, but with unmark_visited.
2458 (gimplify_body): Remove BODY_P argument and adjust.
2459 (gimplify_function_tree): Adjust call to gimplify_body.
2460 * omp-low.c (finalize_task_copyfn): Likewise.
2462 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2464 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2465 (build_function_type_skip_args): Delete.
2466 * tree.c (build_function_type_skip_args): Make static and add
2467 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2468 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2469 pass it to build_function_type_skip_args.
2470 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2471 (tree_function_versioning): Likewise.
2472 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2473 build_function_decl_skip_args.
2474 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2475 and pass it to build_function_decl_skip_args/tree_function_versioning.
2476 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2477 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2478 * trans-mem.c (ipa_tm_create_version): Likewise.
2479 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2480 * tree-inline.c (declare_return_variable): Remove always-true test.
2481 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2482 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2483 * ipa-split.c (split_function): Skip the return value for the split
2484 part if it doesn't return.
2486 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2488 PR tree-optimization/49642
2489 * ipa-split.c (forbidden_dominators): New variable.
2490 (check_forbidden_calls): New function.
2491 (dominated_by_forbidden): Likewise.
2492 (consider_split): Check for forbidden dominators.
2493 (execute_split_functions): Initialize and free forbidden
2494 dominators info; call check_forbidden_calls.
2496 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2498 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2500 2012-01-11 Nick Clifton <nickc@redhat.com>
2502 * config/rx/rx.md (return): Define pattern.
2504 2012-01-11 Richard Guenther <rguenther@suse.de>
2506 * doc/extend.texi (malloc attribute): Adjust according to
2509 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2510 Patrick Marlier <patrick.marlier@gmail.com>
2513 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2514 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2515 (ipa_tm_note_irrevocable): Same.
2516 (ipa_tm_scan_irr_block): Same.
2517 (ipa_tm_decrement_clone_counts): Same.
2518 (ipa_tm_scan_irr_function): Same.
2519 (ipa_tm_create_version_alias): Same.
2520 (ipa_tm_create_version): Same.
2521 (ipa_tm_transform_calls_redirect): Same.
2522 (ipa_tm_transform_calls): Same.
2523 (ipa_tm_transform_transaction): Same.
2524 (ipa_tm_execute): Same.
2526 2012-01-10 Richard Guenther <rguenther@suse.de>
2529 * opts.c (common_handle_option): Handle -Werror.
2531 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2533 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2536 2012-01-10 Jason Merrill <jason@redhat.com>
2538 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2541 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2543 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2544 supports R_386_TLS_GD_PLT reloc.
2545 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2546 supports R_386_TLS_LDM_PLT reloc.
2547 * configure: Regenerate.
2548 * config.in: Regenerate.
2550 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2553 Extend __pgmx semantics to linearize memory.
2554 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2555 determine if code comes inline or from libgcc.
2556 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2557 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2558 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2559 (movmemx_qi, movmemx_hi): New insns.
2560 (xload_<mode>_libgcc): Rewrite to new insn condition.
2561 (xload_<mode>): Remove insns.
2562 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2563 cases that don't satisfy avr_xload_libgcc_p().
2564 (avr_addr_space_convert): Allow converting in any direction.
2565 (avr_addr_space_subset_p): Return always true.
2566 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2567 (avr_emit_movmemhi): Ditto.
2568 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2569 (avr_out_movmem): Ditto.
2570 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2571 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2572 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2573 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2574 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2576 2012-01-10 Richard Guenther <rguenther@suse.de>
2578 PR tree-optimization/50913
2579 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2580 Require data-refs to be representable by Graphite with respect
2583 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2585 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2586 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2588 2012-01-10 Tom de Vries <tom@codesourcery.com>
2590 PR rtl-optimization/51271
2591 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2592 handling annulled branch.
2594 2012-01-10 Richard Henderson <rth@redhat.com>
2596 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2597 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2598 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2599 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2600 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2601 arm_expand_vec_perm_const): New.
2602 * config/arm/arm-protos.h: Update.
2603 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2604 (*neon_vswp<VDQX>): New.
2605 (neon_vcombine<VDX>): Use neon_split_vcombine.
2606 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2607 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2608 (vec_perm<VE>): New.
2610 2012-01-10 Richard Henderson <rth@redhat.com>
2612 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2613 use it if reload_completed.
2614 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2615 arm_output_asm_insn, arm_process_output_memory_barrier,
2616 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2617 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2618 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2619 arm_process_output_sync_insn, arm_output_sync_insn,
2620 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2621 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2622 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2623 (emit_unlikely_jump): New.
2624 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2625 (arm_split_atomic_op): New.
2626 * config/arm/arm-protos.h: Update.
2627 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2628 (struct arm_sync_generator): Remove.
2629 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2630 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2631 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2632 (VUNSPEC_LL, VUNSPEC_SC): New.
2633 (sync_result, sync_memory, sync_required_value, sync_new_value,
2634 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2635 (attr length): Don't use arm_sync_loop_insns.
2636 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2637 (movsfcc, movdfcc): Likewise.
2638 * config/arm/constraints.md (Ua): New.
2639 * config/arm/prediates.md (mem_noofs_operand): New.
2640 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2641 (sync_clobber, sync_t2_reqd): Remove.
2642 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2643 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2644 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2645 (arm_sync_compare_and_swap<SIDI>): Remove.
2646 (arm_sync_compare_and_swap<NARROW>): Remove.
2647 (arm_sync_lock_test_and_set<SIDI>): Remove.
2648 (arm_sync_lock_test_and_set<NARROW>): Remove.
2649 (arm_sync_new_<syncop><SIDI>): Remove.
2650 (arm_sync_new_<syncop><NARROW>): Remove.
2651 (arm_sync_new_nand<SIDI>): Remove.
2652 (arm_sync_new_nand<NARROW>): Remove.
2653 (arm_sync_old_<syncop><SIDI>): Remove.
2654 (arm_sync_old_<syncop><NARROW>): Remove.
2655 (arm_sync_old_nand<SIDI>): Remove.
2656 (arm_sync_old_nand<NARROW>): Remove.
2657 (*memory_barrier): Merge arm_output_memory_barrier.
2658 (atomic_compare_and_swap<QHSD>): New.
2659 (atomic_compare_and_swap<NARROW>_1): New.
2660 (atomic_compare_and_swap<SIDI>_1): New.
2661 (atomic_exchange<QHSD>): New.
2662 (cas_cmp_operand, cas_cmp_str): New.
2663 (atomic_op_operand, atomic_op_str): New.
2664 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2665 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2666 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2667 (arm_load_exclusive<NARROW>): New.
2668 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2669 (arm_store_exclusive<QHSD>): New.
2671 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2673 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2674 reload patterns if -mvsx-scalar-memory.
2676 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2677 generated, even -mno-vsx-scalar-double was used.
2678 (vsx_xscvdpsp_scalar): Likewise.
2679 (vsx_xscvspdp_scalar2): Likewise.
2681 2012-01-09 Tom de Vries <tom@codesourcery.com>
2682 Andrew Pinski <apinski@cavium.com>
2685 * reorg.c (fill_slots_from_thread): Don't speculate
2686 frame-related insns.
2688 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2690 * sched-int.h (bb_note): Move to...
2691 * basic-block.h: ...here.
2692 * haifa-sched.c (bb_note): Move to...
2693 * cfgrtl.c: ...here.
2694 * function.c (next_block_for_reg): New function.
2695 (move_insn_for_shrink_wrap): Likewise.
2696 (prepare_shrink_wrap): Rewrite to use the above.
2698 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2700 * gimple.c (is_gimple_non_addressable): Remove.
2701 * gimple.h: Remove is_gimple_non_addressable.
2702 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2703 is_gimple_non_addressable.
2704 * trans-mem.c (expand_assign_tm): Same.
2706 2012-01-09 Richard Guenther <rguenther@suse.de>
2708 PR tree-optimization/51775
2709 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2710 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2712 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2714 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2716 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2718 2012-01-09 Richard Guenther <rguenther@suse.de>
2720 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2722 2012-01-08 Jan Hubicka <jh@suse.cz>
2724 PR tree-optimize/51680
2725 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2726 on when known_vals needs to be computed; cleanup.
2728 2012-01-08 Jan Hubicka <jh@suse.cz>
2730 PR tree-optimize/51694
2731 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2733 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2735 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2736 for -std=c++98 and -std=c++11 too.
2738 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2740 * cfgloop.c (cancel_loop): Add free() of bbs array.
2742 2012-01-07 Jan Hubicka <jh@suse.cz>
2744 PR tree-optimization/51600
2745 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2746 that benefits small functions.
2748 2012-01-07 Jan Hubicka <jh@suse.cz>
2750 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2752 2012-01-07 Jan Hubicka <jh@suse.cz>
2754 PR tree-optimization/51680
2755 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2756 whose inlining reduce unit size.
2758 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2761 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2762 Add canonical node to containing_mem chain after the non-canonical
2763 one, even if there weren't any locs to propagate.
2764 (remove_useless_values): Keep only canonical values.
2765 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2766 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2767 canonicalize mem_chain elements that are not discarded.
2769 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2772 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2773 before emitting functions.
2775 PR gcov-profile/50127
2776 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2777 clear_aux_for_blocks.
2779 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2782 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2784 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2786 * c-decl.c (ext_block): Moved up.
2787 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2789 2012-01-06 Han Shen <shenhan@google.com>
2791 Translate built-in include paths for sysroot.
2792 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2793 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2795 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2796 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2798 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2799 control whether sysroot should be prepended to gxx include dir.
2801 * configure: Regenerate.
2803 2012-01-06 Torvald Riegel <triegel@redhat.com>
2805 PR rtl-optimization/51771
2806 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2807 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2809 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2811 PR tree-optimization/51315
2812 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2813 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2815 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2818 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2819 for shrp pattern. Correctly handle and fixup shift variable.
2820 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2822 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2825 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2826 note when !ACCUMULATE_OUTGOING_ARGS.
2828 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2830 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2832 (extract_range_from_unary_expr_1): Avoid useless computations.
2834 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2836 PR rtl-optimization/51767
2837 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2838 of jump_block and add an extra edge for degenerated asm gotos.
2841 * stmt.c (check_unique_operand_names): Don't ICE during error
2842 reporting if i is from labels chain.
2845 * profile.c (branch_prob): Split bbs that have exit edge
2846 and need a fake entry edge too.
2848 2012-01-05 Jan Hubicka <jh@suse.cz>
2851 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2854 2012-01-05 Richard Guenther <rguenther@suse.de>
2857 * tree-streamer-out.c (write_ts_optimization): New function.
2858 (streamer_write_tree_body): Call it.
2859 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2860 (streamer_read_tree_body): Call it.
2861 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2863 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2866 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2867 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2868 in_cleanup_point_expr before gimplify_stmt call and restore it
2870 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2871 in_cleanup_point_expr is false.
2873 2012-01-05 Richard Guenther <rguenther@suse.de>
2876 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2878 * toplev.c (process_options): Reject combining mudflap and LTO.
2879 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2881 2012-01-05 Richard Guenther <rguenther@suse.de>
2883 PR tree-optimization/51760
2884 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2886 (bit_value_unop): Handle UNDEFINED operands.
2887 (bit_value_binop): Likewise.
2889 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2891 * config/avr/avr.c (avr_replace_prefix): Remove.
2892 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2893 (avr_asm_function_rodata_section): Ditto.
2894 (avr_asm_select_section): Ditto.
2896 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2898 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2901 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2904 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2905 calls that have any non-fake successor edges.
2908 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2910 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2912 PR tree-optimization/51624
2913 * tree-sra.c (build_ref_for_model): When replicating a chain of
2914 COMPONENT_REFs, stop as soon as the offset would become negative.
2916 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2919 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2920 in .debug_loc on the floor.
2922 2012-01-04 Andrew Pinski <apinski@cavium.com>
2924 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2926 2012-01-04 Andrew Pinski <apinski@cavium.com>
2927 Adam Nemet <anemet@caviumnetworks.com>
2929 * config/mips/mips.md (size): Add SI and DI.
2930 (SIZE): New mode attribute.
2931 (U): New code attribute.
2932 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2933 (mips_lbux_<mode>): Delete.
2934 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2935 (mips_lhx): Use gen_mips_lhx_extsi.
2936 (mips_lhx_<mode>): Delete.
2938 (mips_l<size>x): New expand.
2939 (mips_lwx_<mode>): Delete.
2940 (mips_l<GPR:size>x_<P:mode>): New pattern.
2941 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2942 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2943 * config/mips/mips.c (mips_lx_address_p): New function.
2944 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2945 (dsp64): New availability predicate.
2946 (mips_builtins): Add an entry for __builtin_mips_ldx.
2947 * config/mips/mips.h (ISA_HAS_LBX): New define.
2948 (ISA_HAS_LBUX): Likewise.
2949 (ISA_HAS_LHX): Likewise.
2950 (ISA_HAS_LHUX): Likewise.
2951 (ISA_HAS_LWX): Likewise.
2952 (ISA_HAS_LWUX): Likewise.
2953 (ISA_HAS_LDX): Likewise.
2954 * doc/extend.texi (__builtin_mips_ldx): Document.
2956 2012-01-04 Tristan Gingold <gingold@adacore.com>
2958 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2959 when long pointers are used.
2960 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2961 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2962 (ia64-hp-*vms*): Remove.
2963 * config/vms/xm-vms64.h: Delete.
2965 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2968 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2970 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2972 * opts.c (finish_options): Remove duplicate sorry.
2974 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2977 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2980 2012-01-04 Richard Guenther <rguenther@suse.de>
2983 * tree.c (size_low_cst): New function.
2984 * tree.h (size_low_cst): Declare.
2985 * fold-const.c (fold_comparison): Use it to extract the low
2986 part of the POINTER_PLUS_EXPR offset.
2988 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2990 Fix clearing ZERO_REG
2991 * config/avr/avr.md (cc): Add alternative "ldi".
2992 (movqi_insn): Use it in cc attribute.
2993 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2994 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2995 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2997 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2999 * configure: Regenerate.
3001 2012-01-04 Richard Guenther <rguenther@suse.de>
3003 PR tree-optimization/49651
3004 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3005 (var_can_have_subvars): Use it.
3006 (get_constraint_for_1): Only consider subfields if there can be any.
3008 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3011 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3012 to its new canonical_cselib_val and the cselib_val was in
3013 first_containing_mem chain, but the canonical_cselib_val was not,
3014 add the latter into the chain.
3015 (cselib_invalidate_mem): Compare canonical_cselib_val of
3016 addr_list chain elt with v.
3019 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3020 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3022 (output_macinfo_op): Don't ggc_strdup fd->filename.
3023 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3024 then ggc_strdup it. Don't free inc->info or cur->info.
3025 (output_macinfo): Don't free ref->info or file->info.
3027 2012-01-03 Ira Rosen <irar@il.ibm.com>
3029 PR tree-optimization/51269
3030 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3031 first_niters a pointer.
3032 (slpeel_tree_peel_loop_to_edge): Likewise.
3033 (vect_do_peeling_for_loop_bound): Update call to
3034 slpeel_tree_peel_loop_to_edge.
3035 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3036 here. Remove it from the parameters list.
3037 (vect_do_peeling_for_alignment): Update calls and compute
3040 2012-01-03 Richard Guenther <rguenther@suse.de>
3042 PR tree-optimization/51070
3043 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3044 Properly handle calls.
3046 2012-01-03 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/51692
3049 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3050 the LHS of allocation stmts.
3052 2012-01-03 Olivier Hainque <hainque@adacore.com>
3054 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3056 2012-01-03 Olivier Hainque <hainque@adacore.com>
3058 * collect2.c (main): In AIX specific computations for vector
3059 insertions, use CONST_CAST2 to cast from char ** to const char **.
3061 2012-01-03 Richard Guenther <rguenther@suse.de>
3064 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3065 the context of a limbo DIE when it does not already exist.
3067 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3069 PR tree-optimization/51719
3070 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3071 but direct call is, clear direct call's lhs and don't add fallthrough
3072 edge from dcall_bb to join_bb and PHIs.
3074 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3076 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3077 the instructions emitted by the pattern.
3078 ("*TDC_insn_<mode>"): Add comment.
3080 2012-01-03 Richard Guenther <rguenther@suse.de>
3083 * fold-const.c (fold_comparison): Properly canonicalize
3084 tree offset and HOST_WIDE_INT bit position.
3086 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3088 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3089 operands for extzv pattern.
3091 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3094 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3097 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3099 * doc/invoke.texi (-flto and related options): Copy-edit.
3101 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3103 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3105 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3107 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3110 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3112 * expr.h (move_by_pieces_ninsns): Declare.
3113 * expr.c (move_by_pieces_ninsns): Make external.
3114 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3115 (mips_store_by_pieces_p): Likewise.
3116 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3117 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3118 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3119 (mips_store_by_pieces_p): Likewise.
3121 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3123 * passes.c (register_one_dump_file): Free full_name.
3125 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3126 (calculate_elim_costs_all_insns): Free offsets_at and
3127 offsets_known_at at the end and clear the pointers.
3129 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3131 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3132 this option introduced in r180739.
3134 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3137 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3138 (tmake_file target=avr): Add avr/t-multilib.
3140 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3141 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3142 * config/avr/genmultilib.awk: New file.
3143 * config/avr/t-multilib: New auto-generated file.
3144 * config/avr/multilib.h: New auto-generated file.
3145 * config/avr/t-avr (AVR_MCUS): New variable.
3146 (genopt.sh): Use it.
3147 (s-mlib): Depend on t-multilib.
3148 (t-multilib, multilib.h): New dependencies.
3149 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3150 (MULTILIB_OPTIONS): Remove.
3151 (MULTILIB_MATCHES): Remove.
3152 (MULTILIB_DIRNAMES): Remove.
3153 (MULTILIB_EXCEPTIONS): Remove:
3154 * config/avr/genopt.sh: Don't use hard coded file name;
3155 pass AVR_MCUS from t-avr instead.
3157 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3159 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3161 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3163 Implement light-weight DImode support.
3164 * config/avr/avr-dimode.md: New file.
3165 * config/avr/avr.md: Include it.
3166 (adjust_len): Add plus64, compare64.
3167 (HIDI): Remove code iterator.
3168 (code_stdname): New code attribute.
3169 (rotx, rotsmode): Remove DI.
3170 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3172 * config/avr/avr-protos.h (avr_have_dimode): New.
3173 (avr_out_plus64, avr_out_compare64): New.
3174 * config/avr/avr.c (avr_out_compare): Handle DImode.
3175 (avr_have_dimode): New variable definition and initialization.
3176 (avr_out_compare64, avr_out_plus64): New functions.
3177 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3178 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3179 (avr_compare_pattern): Skip DImode comparisons.
3181 2012-01-02 Revital Eres <revital.eres@linaro.org>
3183 * ddg.c (def_has_ccmode_p): New function.
3184 (add_cross_iteration_register_deps,
3185 create_ddg_dep_from_intra_loop_link): Call it.
3187 2012-01-02 Richard Guenther <rguenther@suse.de>
3190 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3192 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3194 * gcc.c (process_command): Update copyright notice dates.
3195 * gcov.c (print_version): Likewise.
3196 * gcov-dump.c (print_version): Likewise.
3197 * mips-tfile.c (main): Likewise.
3198 * mips-tdump.c (main): Likewise.
3200 2012-01-01 Ira Rosen <irar@il.ibm.com>
3202 PR tree-optimization/51704
3203 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3204 a use is inside the basic block or loop before accessing its vect info.
3206 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3208 PR rtl-optimization/51069
3209 * cfgloopmanip.c (remove_path): Removing path making irreducible
3210 region unconditional makes BB part of the region.
3212 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3214 PR tree-optimization/51683
3215 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3216 calls with side-effects.
3217 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3219 Copyright (C) 2012 Free Software Foundation, Inc.
3221 Copying and distribution of this file, with or without modification,
3222 are permitted in any medium without royalty provided the copyright
3223 notice and this notice are preserved.