1 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3 * config/avr/avr.c: Move definition of TARGET macros to end of file.
5 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
7 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
8 * config/avr/avr.c (avr_output_bld): Remove unused function.
9 (avr_out_sbxx_branch): Use "%T" to print bit position.
11 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
13 * config/avr/avr.md: Untabify.
15 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
17 * config/avr/avr.md (eqne): New code iterator.
18 (*dec-and-branchsi): Use it in text peephole's condition.
19 (*dec-and-branchhi): Ditto.
20 (*dec-and-branchqi): Ditto.
22 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
25 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
26 the device does not have the skip-bug.
28 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
30 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
31 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
32 -mpretend-cmove): New.
34 2012-02-29 Jakub Jelinek <jakub@redhat.com>
37 * df.h (struct df_d): Adjust comment that hard_regs_live_count
38 doesn't count DEBUG_INSN refs.
39 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
42 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
46 2012-02-20 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/52298
48 * tree-vect-stmts.c (vectorizable_load): Properly use
49 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
52 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
55 * gimple.h (gimple_in_transaction): New.
56 (gimple_set_in_transaction): New.
57 (struct gimple_statement_base): Add in_transaction field.
58 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
60 (tree_ssa_lim_initialize): Compute transaction bits.
61 * tree.h (compute_transaction_bits): Protoize.
62 * trans-mem.c (tm_region_init): Use the heap to store BB
64 (compute_transaction_bits): New.
66 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
68 * gcc.c (display_help): Document --help=common and sort entries
71 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
73 * doc/install.texi: Document check-$LANG specific shortcuts
75 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
78 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
80 * config/arm/arm_neon.h: Regenerate.
81 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
82 (neon_vcgeu): New insn.
83 (neon_vcgtu): Likewise.
84 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
85 (ops): Unsigned comparison intrinsics call a different
88 2012-02-28 Richard Guenther <rguenther@suse.de>
91 * config/i386/i386.c (ix86_expand_vector_set): Fix element
92 ordering for the VEC_CONCAT for two element vectors for
93 V2SFmode, V2SImode and V2DImode.
95 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
98 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
99 detecting big-endian triplets.
101 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
103 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
104 mode if there is no type information available.
106 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
108 PR tree-optimization/53207
109 * doc/invoke.texi: Document as experimental and relying on graphite.
111 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
113 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
114 of initializer to changes from r184614.
116 2012-02-28 Richard Guenther <rguenther@suse.de>
118 PR tree-optimization/52395
119 * tree-sra.c (build_ref_for_offset): Also look at the base
120 TYPE_ALIGN when figuring out the alignment of the replacement.
122 2012-02-28 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/52402
125 * ipa-prop.c (ipa_modify_call_arguments): Properly use
126 mis-aligned types when creating the accesses at the call site.
128 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
130 * config/avr/builtins.def: New file.
131 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
132 * config/avr/avr.c (enum avr_builtin_id): Use it.
133 (avr_init_builtins): Use it. And use avr_bdesc.
134 (bdesc_1arg): Remove.
135 (bdesc_2arg): Remove.
136 (bdesc_3arg): Remove.
137 (struct avr_builtin_description): Add field n_args.
138 (avr_bdesc): New static variable using builtins.def.
139 (avr_expand_builtin): Use it.
140 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
141 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
142 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
144 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
147 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
148 match only one single hard register with respective hard reg rtx.
149 (movmemx_<mode>): Ditto.
150 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
151 insn anatomy of movmem[x]_<mode>.
152 (avr_out_movmem): Same for printing assembler and operand usage.
154 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
158 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
159 address spaces located outside of device flash.
161 * config/avr/avr.h (base_arch_s): Remove field n_segments.
162 (mcu_type_s): Add field n_flash.
163 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
164 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
165 (AVR_MCU): Add N_FLASH argument.
166 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
167 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
168 macro __FLASH<n> if that address space makes sense for the device.
169 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
170 outside of target flash.
171 (avr_asm_named_section): Ditto.
172 (avr_asm_select_section): Ditto.
173 (avr_addr_space_convert): Ditto.
174 (avr_emit_movmemhi): Ditto.
175 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
176 address space is outside of device flash.
177 (avr_insert_attributes): Ditto.
178 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
179 avr_current_arch->n_segments.
181 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
184 * config/i386/i386.md (*movabs<mode>_1): Enable only for
186 (*movabs<mode>_2): Likewise.
188 2012-02-27 Jakub Jelinek <jakub@redhat.com>
191 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
192 s_register_operand in the test instead of REG_P. Don't call
193 gen_reg_rtx if it won't be used.
195 PR tree-optimization/52376
196 * ipa-split.c (split_function): Ignore CLOBBER stmts.
198 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
200 * ifcvt.c (noce_get_condition): Check condition variable is not
201 small_register_classes_for_mode_p before accepting.
203 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
205 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
207 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
210 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
211 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
213 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
215 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
217 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
219 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
221 * config/sh/predicates.md: Remove blank lines.
222 * config/sh/sh.c: Fix typos in comments.
223 * config/sh/constraints.md: Likewise.
224 * config/sh/sh.md: Remove blank lines.
225 Fix typos in comments. Use ;; as comment characters.
227 2012-02-26 Walter Lee <walt@tilera.com>
229 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
230 (replace_mov_pcrel_step2): Ditto.
232 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
235 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
236 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
237 and locs that reference values newer than the non-canonical value
238 at hand. Return the canonical value as a worst case.
239 (memrefs_conflict_p): Walk canonical value's locs.
242 * cselib.c (preserve_only_constants): Rename to...
243 (preserve_constants_and_equivs): ... this. Split out...
244 (invariant_or_equiv_p): ... this. Preserve plus expressions
245 of other preserved expressions too.
246 (cselib_reset_table): Adjust.
247 * var-tracking.c (reverse_op): Use canonical value to build
250 2012-02-23 Kai Tietz <ktietz@redhat.com>
252 * config/i386/i386.c (ix86_delegitimize_address): Handle
253 UNSPEC_PCREL plus displacement.
255 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
258 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
259 to test for unusedness in st X addressing.
261 2012-02-24 Richard Guenther <rguenther@suse.de>
264 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
265 (is_gimple_reg_type): Move inline ...
266 * gimple.h (is_gimple_reg_type): ... here.
268 2012-02-24 Richard Guenther <rguenther@suse.de>
271 * passes.c (execute_function_todo): When verifying SSA form
272 verify gimple form first.
273 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
275 2012-02-24 Richard Guenther <rguenther@suse.de>
278 * fold-const.c (fold_addr_of_array_ref_difference): New function.
279 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
281 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
283 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
285 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
287 * tree-phinodes.c (make_phi_node): Mark static.
288 * tree-flow.h (make_phi_node): Remove extern decl.
289 * doc/gimple.texi (make_phi_node): Remove documentation.
291 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
293 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
294 * tree-ssa-sccvn.c (print_scc): Ditto.
296 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
298 * doc/passes.texi (Full redundancy elimination): Fix typo.
300 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
302 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
304 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
307 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
309 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
312 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
314 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
316 * config/avr/avr.md (code_stdname): Add ior, xor.
317 (xior): New code iterator.
318 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
319 (*<code_stdname><mode>qi.byte1-3): Ditto.
321 2012-02-23 Jakub Jelinek <jakub@redhat.com>
323 PR tree-optimization/52019
324 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
327 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
329 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
330 HAVE_INITFINI_ARRAY to work around namespace pollution in
331 certain versions of newlib system headers.
332 * config.in: Regenerate.
333 * configure: Regenerate.
334 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
335 instead of HAVE_INITFINI_ARRAY.
337 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
340 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
341 is not offsettable memory reference.
343 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
346 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
347 setting avr_need_clear_bss_p for __gnu_lto* symbols.
349 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
351 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
352 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
354 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
356 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
357 library on Solaris 8 even without TLS support.
358 * configure: Regenerate.
360 2012-02-22 Richard Guenther <rguenther@suse.de>
363 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
364 for GIMPLE_DEBUG stmts.
366 2012-02-22 Martin Jambor <mjambor@suse.cz>
369 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
370 according to the base object.
372 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
374 PR rtl-optimization/50063
375 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
376 and 2 (8-bit SP) in operand 2.
377 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
378 setup to use movhi_sp_r instead of vanilla move to write SP.
379 Adjust REG_CFA notes to superseed unspec.
380 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
382 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
383 known to be off) only with TARGET_NO_INTERRUPTS. Never use
384 irq_state 1 (IRQ known to be on) here.
386 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
388 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
390 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
391 assign_hard_reg): Likewise.
393 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
395 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
397 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
400 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
401 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
403 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
405 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
406 prototype from here to...
407 * config/avr/avr.h: ...here.
409 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
412 * thumb2.md (thumb2_shiftsi3_short): Split register and
413 immediate shifts. For register shifts tie operands 0 and 1.
414 (peephole2 for above): Check that register-controlled shifts
415 have suitably tied operands.
417 2012-02-21 Quentin Neill <quentin.neill@amd.com>
420 * config/i386/bdver1.md (bdver1_call, bdver1_push,
421 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
422 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
423 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
424 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
425 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
426 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
427 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
428 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
429 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
430 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
431 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
432 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
433 bdver1_ssevector_avx256_unaligned_load,
434 bdver1_ssevector_sse128_unaligned_load,
435 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
436 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
437 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
438 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
439 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
440 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
441 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
442 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
443 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
444 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
445 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
446 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
447 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
448 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
449 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
450 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
451 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
452 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
453 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
454 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
455 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
456 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
457 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
458 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
459 bdver1_ssediv_double_load, bdver1_ssediv_double,
460 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
461 Add "bdver2" attribute.
463 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
465 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
466 default if possible and not specified otherwise.
468 2012-02-21 Richard Guenther <rguenther@suse.de>
471 * gimplify.c (create_tmp_from_val): Use the main variant type
472 for the type of the temporary we create.
474 2012-02-21 Richard Guenther <rguenther@suse.de>
476 PR tree-optimization/52324
477 * gimplify.c (gimplify_expr): When re-gimplifying expressions
478 do not gimplify a MEM_REF address operand if it is already
481 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
483 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
484 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
486 2012-02-21 Richard Guenther <rguenther@suse.de>
488 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
491 2012-02-21 Jakub Jelinek <jakub@redhat.com>
493 PR tree-optimization/52318
494 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
495 vdef also to non-pure/const call stmts in the sequence.
497 2012-02-20 David S. Miller <davem@davemloft.net>
499 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
500 don't use the "rd %pc" instruction on v9 for PIC register loads.
502 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
505 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
506 in a transaction safe function.
508 2012-02-20 Kai Tietz <ktietz@redhat.com>
511 * stor-layout.c (place_field): Handle desired_align for
514 2012-02-20 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/52298
517 * tree-vect-stmts.c (vectorizable_store): Properly use
518 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
520 (vectorizable_load): Likewise.
521 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
522 Access DR_STEP after ensuring it is not NULL.
524 2012-02-20 Jakub Jelinek <jakub@redhat.com>
526 PR tree-optimization/52286
527 * fold-const.c (fold_binary_loc): For (X & C1) | C2
528 optimization use double_int_to_tree instead of build_int_cst_wide,
529 rewrite to use double_int vars.
531 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
534 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
536 Remove -e 0 from $gcc_cv_ld invocation.
537 Only use __GLIBC_PREREQ if defined.
538 Enable on Solaris since Solaris 8 patch.
539 (gcc_SUN_LD_VERSION): New macro.
540 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
541 gcc_SUN_LD_VERSION for version number format.
542 * configure: Regenerate.
543 * varasm.c (get_elf_initfini_array_priority_section): Set
544 SECTION_NOTYPE for non-default priority.
545 Use get_section instead of get_unnamed_section to emit
546 .init_array/.fini_array with default priority.
548 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
550 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
551 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
552 (mips_start_unique_function, mips_output_mips16_rdhwr)
553 (mips_code_end): New functions.
554 (TARGET_ASM_CODE_END): Define.
556 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
558 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
559 to stubs with non-sibling calls.
561 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
563 * doc/invoke.texi (-fira-* options): Copy-edit.
564 (ira-* parameters): Copy-edit.
566 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
568 * doc/invoke.texi: Minor copy-edits to bring into conformance with
569 GCC coding conventions.
571 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
573 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
574 when used as adjectives.
576 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
578 * doc/invoke.texi: Clean up "that"/"which" confusion.
580 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
582 * system.h: Poison SMALL_REGISTER_CLASSES
583 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
584 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
586 2012-02-16 Jakub Jelinek <jakub@redhat.com>
588 PR tree-optimization/52285
589 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
590 when deciding if a call is a tail call or tail recursion.
592 2012-02-16 Kai Tietz <ktietz@redhat.com>
594 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
595 interger-constant displacement for UNSPEC_PCREL.
597 2012-02-16 Jakub Jelinek <jakub@redhat.com>
599 PR rtl-optimization/52208
600 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
601 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
603 PR tree-optimization/52255
604 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
605 loop->header has virtual PHI, but exit_e->dest doesn't, add
606 virtual PHI to exit_e->dest and adjust all uses after the loop.
609 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
610 children with clone_tree_hash, not after it.
612 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
614 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
615 extended identifiers.
617 2012-02-16 Jakub Jelinek <jakub@redhat.com>
620 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
621 a same_body_alias, also test whether e->callee isn't a former
622 or current clone of the decl this is a same body alias of.
625 * cgraphunit.c (verify_cgraph_node): Fix a typo.
627 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
629 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
631 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
634 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
635 force_reg instead of copy_to_reg for better optimization. Force
636 non-register or memory operands into a register.
638 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
640 * extend.texi: Reserve upper bits of memory model for future use.
642 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
643 Anatoly Sokolov <aesok@post.ru>
644 Eric Weddington <eric.weddington@atmel.com>
647 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
648 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
649 Rewrite initializers for .macro.
650 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
651 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
652 atxmega32d4, atxmega32x1.
653 avrxmega4: atxmega64a3, atxmega64d3.
654 avrxmega5: atxmega64a1, atxmega64a1u.
655 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
656 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
657 avrxmega7: atxmega128a1, atxmega128a1u.
658 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
659 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
660 (struct base_arch_s): Rename reserved to xmega_p.
661 Rename reserved2 to have_rampd.
662 (AVR_XMEGA): New define.
663 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
664 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
665 * config/avr/predicates.md (io_address_operand): Take into
667 (low_io_address_operand): Ditto.
668 (high_io_address_operand): Ditto.
669 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
670 (enabled, movhi_sp_r): Use them.
671 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
672 cpp_define_formatted to built-in define __AVR_ARCH__.
673 (__AVR_XMEGA__): New built-in define.
674 (__AVR_HAVE_RAMPD__): New built-in define.
675 (__AVR_HAVE_RAMPX__): New built-in define.
676 (__AVR_HAVE_RAMPY__): New built-in define.
677 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
679 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
680 (avr_option_override): Initialize them.
681 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
682 (avr_init_expanders): Initialize them. No more block several calls.
683 (emit_push_sfr): New static function.
684 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
686 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
687 (avr_print_operand): Print addreeses as symbols for
688 RAMPX, RAMPY, RAMPD, CCP.
689 (output_movhi): Handle AVR_XMEGA when writing to SP.
690 (avr_out_movhi_mr_r_xmega): New static function.
691 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
692 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
693 __RAMPD__, __CCP__ as needed.
695 * config/avr/multilib.h: Regenerate.
696 * config/avr/t-multilib: Regenerate.
697 * config/avr/avr-tables.opt: Regenerate.
699 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
701 PR tree-optimization/50561
702 * graphite-flattening.c (lst_project_loop): Do not
703 remove old scattering dimensions after flattening.
704 (lst_do_flatten): Likewise.
706 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
708 * doc/extend.texi (AVR Built-in Functions): Remove doc for
709 __builtin_avr_map8, __builtin_avr_map16.
710 Document __builtin_avr_insert_bits.
712 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
713 (insert_bits): New insn.
714 (adjust_len.map_bits): Rename to insert_bits.
715 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
716 * avr-protos.h (avr_out_map_bits): Remove.
717 (avr_out_insert_bits, avr_has_nibble_0xf): New.
718 * config/avr/constraints.md (Cxf,C0f): New.
719 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
720 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
721 New built-in define __BUILTIN_AVR_INSERT_BITS.
722 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
723 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
724 (avr_move_bits): Rewrite.
725 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
727 (avr_map_op_t): New typedef.
728 (avr_map_op): New static variable.
729 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
730 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
731 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
732 (bdesc_3arg, avr_expand_triop_builtin): New.
733 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
734 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
735 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
736 (avr_map_equal_p, avr_map_sig_p): Remove.
737 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
738 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
739 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
740 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
741 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
742 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
744 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
746 * config/c6x/c6x.md (reserve_cycles): New attribute.
747 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
748 don't reserve functional units after the branch occurs.
750 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
753 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
754 functions into non-tm_pure functions.
756 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
759 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
760 (iterative_hash_canonical_type): Likewise.
761 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
764 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
766 * haifa-sched.c (prune_ready_list): Ensure that if there is a
767 sched-group insn, it either remains alone or the entire list is pruned.
769 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
771 * doc/install.texi (Prerequisites): Fix grammar.
772 (Configuration): Likewise.
774 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
776 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
777 MPC as part of GCC before describing configuring with --with-gmp etc.
778 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
781 2012-02-14 Jakub Jelinek <jakub@redhat.com>
784 * dwarf2out.c (clone_tree_hash): New function.
785 (copy_decls_walk): Use it instead of clone_tree.
787 2012-02-14 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/52244
790 PR tree-optimization/51528
791 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
792 replacements for integral types.
794 2012-02-14 Walter Lee <walt@tilera.com>
796 * config.gcc: Handle tilegx and tilepro.
797 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
799 Add HAVE_AS_TLS check for tilegx and tilepro.
800 * configure: Regenerate.
801 * doc/contrib.texi: Add Mat Hostetter and self.
802 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
803 Document instruction intrinsics and network accessing intrinsics.
804 (TILEPro Built-in Functions): New node. Document instruction
805 intrinsics and network accessing intrinsics.
806 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
807 (Specific, tilepro-*-linux*): Likewise.
808 * doc/invoke.texi (TILE-Gx Options): New section.
809 (TILEPro Options): New section.
810 * doc/md.texi (TILE-Gx): New section.
811 (TILEPro): New section.
812 * common/config/tilegx/tilegx-common.c: New file.
813 * common/config/tilepro/tilepro-common.c: New file.
814 * config/tilegx/constraints.md: New file.
815 * config/tilegx/linux.h: New file.
816 * config/tilegx/mul-tables.c: New file.
817 * config/tilegx/predicates.md: New file.
818 * config/tilegx/sync.md: New file.
819 * config/tilegx/t-tilegx: New file.
820 * config/tilegx/tilegx-builtins.h: New file.
821 * config/tilegx/tilegx-c.c: New file.
822 * config/tilegx/tilegx-generic.md: New file.
823 * config/tilegx/tilegx-modes.def: New file.
824 * config/tilegx/tilegx-multiply.h: New file.
825 * config/tilegx/tilegx-protos.h: New file.
826 * config/tilegx/tilegx.c: New file.
827 * config/tilegx/tilegx.h: New file.
828 * config/tilegx/tilegx.md: New file.
829 * config/tilegx/tilegx.opt: New file.
830 * config/tilepro/constraints.md: New file.
831 * config/tilepro/gen-mul-tables.cc: New file.
832 * config/tilepro/linux.h: New file.
833 * config/tilepro/mul-tables.c: New file.
834 * config/tilepro/predicates.md: New file.
835 * config/tilepro/t-tilepro: New file.
836 * config/tilepro/tilepro-builtins.h: New file.
837 * config/tilepro/tilepro-c.c: New file.
838 * config/tilepro/tilepro-generic.md: New file.
839 * config/tilepro/tilepro-modes.def: New file.
840 * config/tilepro/tilepro-multiply.h: New file.
841 * config/tilepro/tilepro-protos.h: New file.
842 * config/tilepro/tilepro.c: New file.
843 * config/tilepro/tilepro.h: New file.
844 * config/tilepro/tilepro.md: New file.
845 * config/tilepro/tilepro.opt: New file.
847 2012-02-14 Jakub Jelinek <jakub@redhat.com>
849 PR tree-optimization/52210
850 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
851 vect_model_simple_cost with two entry vect_def_type array instead
854 2012-02-14 Richard Guenther <rguenther@suse.de>
857 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
858 Do not stream DECL_QUALIFIER.
859 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
860 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
861 (find_decls_types_r): Do not walk DECL_QUALIFIER.
863 2012-02-14 Jakub Jelinek <jakub@redhat.com>
866 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
869 2012-02-13 Jakub Jelinek <jakub@redhat.com>
872 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
873 * cselib.c (cselib_subst_to_values_from_insn): New function.
874 * sched-deps.c (add_insn_mem_dependence,
875 sched_analyze_1, sched_analyze_2): Use it.
877 2012-02-13 Jan Hubicka <jh@suse.cz>
880 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
882 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
884 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
885 (GTM_SELF_SPECS): Define if not already defined.
886 (driver_self_specs): Add GTM_SELF_SPECS.
887 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
888 (GTM_SELF_SPECS): Define.
889 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
890 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
892 2012-02-13 Jakub Jelinek <jakub@redhat.com>
894 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
897 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
900 * omp-low.c (expand_omp_for): If a static schedule without chunk size
901 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
903 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
906 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
908 2012-02-13 Richard Guenther <rguenther@suse.de>
911 * passes.c (enable_disable_pass): Fix typo.
913 2012-02-13 Jakub Jelinek <jakub@redhat.com>
916 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
917 XOR for reduce_bit_field if type is unsigned.
919 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
921 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
922 disallow changes from SFmode to mode with different size in FP regs.
924 2012-02-12 Robert Millan <rmh@gnu.org>
925 Gerald Pfeifer <gerald@pfeifer.com>
927 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
930 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
932 PR rtl-optimization/52175
933 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
934 to frame-related instructions.
936 2012-02-10 Jason Merrill <jason@redhat.com>
939 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
940 (demangle_new_symbols): Fill it.
941 (scan_linker_output): Walk it.
942 (start_tweaking): Split out from scan_linker_output.
943 (maybe_tweak): Update sym->chosen.
944 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
946 2012-02-11 Jakub Jelinek <jakub@redhat.com>
949 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
951 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
953 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
954 having the same mode as previous compare.
956 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
958 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
959 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
960 (nonlocal_goto_internal): Likewise.
961 (nonlocal_goto): Emit a use and an indirect jump directly.
963 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
966 * doc/extend.texi : Update comments for __atomic_compare_exchange and
967 __atomic_{is,always}_lock_free.
969 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
972 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
973 negative constant address for x32.
975 2012-02-10 Richard Henderson <rth@redhat.com>
977 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
978 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
979 for GIMPLE_TRANSACTION. Tidy if's into a switch.
981 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
982 Ira Rosen <irar@il.ibm.com>
984 PR tree-optimization/50031
985 * targhooks.c (default_builtin_vectorization_cost): Handle
987 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
988 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
989 all types of reduction and pattern statements.
990 (vect_estimate_min_profitable_iters): Likewise.
991 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
992 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
993 for explicit realigns.
994 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
995 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
997 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
998 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
999 vec_perm for VSX and handle vec_promote_demote.
1001 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1004 * builtins.c (fold_builtin_atomic_always_lock_free,
1005 expand_builtin_atomic_always_lock_free,
1006 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1007 Return and/or test boolean_true_node/boolean_false_node instead of
1008 integer_one_node/integer_zero_node.
1010 2012-02-10 Jan Hubicka <jh@suse.cz>
1013 * predict.c (predict_paths_for_bb): Prevent looping.
1014 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1016 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1018 * config/arm/arm.c (output_move_double): In one case properly
1019 count number of instructions that will be emitted.
1021 2012-02-10 Richard Guenther <rguenther@suse.de>
1023 PR translation/52193
1024 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1026 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1029 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1031 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1034 * var-tracking.c (emit_note_insn_var_location): If
1035 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1036 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1037 non-NOTE_DURING_CALL_P insn.
1039 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1042 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1044 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1047 * gcc.c (switch_matches) Support switches with separated form,
1050 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1052 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1054 (RAMPZ_ADDR): Ditto.
1055 * config/avr/avr.c (avr_addr_t): New typedef.
1056 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1057 (avr_init_expanders): Initialize it.
1058 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1060 (expand_epilogue): Ditto.
1061 (avr_print_operand): Ditto.
1062 (avr_file_start): Ditto.
1063 (avr_emit_movmemhi): Ditto.
1065 2012-02-08 Richard Guenther <rguenther@suse.de>
1067 PR tree-optimization/46886
1068 * tree-flow.h (do_while_loop_p): Declare.
1069 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1070 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1072 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1074 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1075 always succeed for integers larger than a native word.
1077 2012-02-08 Richard Guenther <rguenther@suse.de>
1079 PR rtl-optimization/52170
1080 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1081 properly handle integer vector modes.
1083 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1085 PR gcov-profile/52150
1086 * coverage.c: Include target.h.
1087 (build_var): Call targetm.strip_name_encoding on the assembler name.
1088 Change one _ into . or $ if the target allows it.
1089 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1091 PR rtl-optimization/52139
1092 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1093 is a BARRIER after emit_insn_after_noloc, move BB_END
1094 to the last non-BARRIER insn before it.
1096 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1099 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1100 (mips_gimplify_va_arg_expr): Call it instead of
1101 std_gimplify_va_arg_expr.
1103 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1105 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1106 message for -mno-pointers-to-nested-function.
1108 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1111 * expr.c (get_inner_reference): If there is an offset, add a negative
1112 bit position to it (if any).
1114 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1116 PR rtl-optimization/52060
1117 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1118 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1119 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1120 and/or i0src_copy2 when needed.
1122 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1124 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1125 or LTOPLUGINSONAME if have_c.
1127 * config/freebsd-spec.h: Add comment about what macros can be defined
1129 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1130 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1133 2012-02-07 Richard Guenther <rguenther@suse.de>
1135 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1136 newline in -alias dumps.
1138 2012-02-07 Kai Tietz <ktietz@redhat.com>
1139 Dave Korn <dave.korn.cygwin@gmail.com>
1142 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1143 Take care that typinfo gets dllexport-attribute.
1145 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1148 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1149 if modifier < EXPAND_SUM call force_operand on the result.
1151 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1153 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1154 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1156 (epiphany_function_type): Replace types for specific interrupts with
1157 EPIPHANY_FUNCTION_INTERRUPT.
1158 (EPIPHANY_INTERRUPT_P): Update.
1159 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1160 New static function.
1161 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1162 <disinterrupt>: Affects type identity.
1163 (epiphany_handle_interrupt_attribute): Handle variable number of
1165 (epiphany_compute_function_type): Update for new
1166 epiphany_function_type definition.
1167 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1168 handlers with a longcall forwarder.
1169 (epiphany_start_function): Handle multiple interrupt arguments and/or
1170 forwarder_section attribute.
1172 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1175 2012-02-07 Alan Modra <amodra@gmail.com>
1178 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1181 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1183 PR tree-optimization/50969
1184 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1185 use vec_perm rather than vector_stmt.
1186 (vect_model_load_cost): Likewise.
1187 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1188 vec_perm to be the same as other vector statements.
1189 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1190 cost of vec_perm for TARGET_VSX.
1192 2012-02-06 Richard Guenther <rguenther@suse.de>
1194 PR tree-optimization/52115
1195 * tree-sra.c (access_has_replacements_p): New function.
1196 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1198 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1201 * trans-mem.c (expand_call_tm): Add an assertion.
1202 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1205 2012-02-06 Richard Guenther <rguenther@suse.de>
1207 PR tree-optimization/50955
1208 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1209 raise cost of expressions that replace an address with an
1210 expression based on a different pointer.
1212 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1215 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1216 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1218 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1221 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1222 -Weffc++ and specify guidelines come from second edition.
1224 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1226 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1227 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1228 (call_direct_split, call_value_split, call_value_internal_direct)
1229 (call_value_direct_split, call_value_multiple_split): Use jal and
1230 jal_macro attributes.
1232 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1234 * reload1.c (reload_regs_reach_end_p): Replace with...
1235 (reload_reg_rtx_reaches_end_p): ...this function.
1236 (new_spill_reg_store): Update commentary.
1237 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1238 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1239 before setting new_spill_reg_store.
1240 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1241 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1242 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1243 for non-spill reload registers.
1245 2012-02-05 Ira Rosen <irar@il.ibm.com>
1247 PR tree-optimization/52091
1248 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1249 (vect_is_simple_use_1): Likewise.
1250 * tree-vect-loop.c (vectorizable_reduction): Update calls
1251 to vect_is_simple_use_1 and vect_is_simple_use.
1252 (vectorizable_live_operation): Likewise.
1253 * tree-vect-patterns.c (widened_name_p,
1254 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1255 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1256 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1257 vectorizable_shift,vectorizable_operation, vectorizable_store,
1258 vectorizable_load): Likewise.
1259 (vect_is_simple_cond): Add an argument, pass it to
1260 vect_is_simple_use_1.
1261 (vectorizable_condition): Update calls to vect_is_simple_cond,
1263 (vect_is_simple_use): Add an argument, the statement in which
1264 OPERAND is used. Check that if OPERAND's def stmt is a double
1265 reduction phi node, the use is a phi node too.
1266 (vect_is_simple_use_1): Add an argument, pass it to
1268 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1269 to vect_is_simple_use.
1271 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1273 PR rtl-optimization/52095
1274 * modulo-sched.c (dump_insn_locator): New function.
1275 (loop_canon_p, sms_schedule): Use it.
1277 PR rtl-optimization/52113
1278 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1279 even for decomposable shift/zext insns.
1281 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1282 Zdenek Dvorak <ook@ucw.cz>
1284 PR rtl-optimization/52092
1285 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1286 on get_iv_value result.
1288 2012-02-02 Andrew Pinski <apinski@cavium.com>
1292 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1294 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1297 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1299 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1301 PR rtl-optimization/49800
1302 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1303 (sched_finish): Call regstat_free_n_sets_and_refs.
1305 2012-02-02 Jia Liu <proljc@gmail.com>
1307 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1310 2012-02-02 Jan Hubicka <jh@suse.cz>
1311 Tom de Vries <tom@codesourcery.com>
1314 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1315 * varpool.c (varpool_analyze_pending_decls): Likewise.
1317 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1318 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1320 * config.gcc: Add cr16-* support.
1322 * doc/extend.texi: Document cr16 extensions.
1323 * doc/install.texi: Document cr16 install.
1324 * doc/invoke.texi: Document cr16 options.
1325 * doc/md.texi: Document cr16 constraints.
1327 * common/config/cr16/cr16-common.c: New file.
1328 * config/cr16/cr16.c: New file.
1329 * config/cr16/cr16.h: New file.
1330 * config/cr16/cr16.md: New file.
1331 * config/cr16/cr16.opt: New file.
1332 * config/cr16/cr16-protos.h: New file.
1333 * config/cr16/predicates.md: New file.
1334 * config/cr16/constraints.md: New file.
1335 * config/cr16/t-cr16: New file.
1337 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1340 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1341 that operands[2] is either immediate, or q_regs_operand.
1343 PR tree-optimization/52073
1344 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1345 a pattern stmt for pattern uses, ignore uses outside of the loop.
1347 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1349 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1350 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1351 (OUT_AS1, OUT_AS2): Remove.
1353 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1355 PR rtl-optimization/51374
1356 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1357 to cross other volatile_refs_p insns.
1359 2012-02-01 Richard Guenther <rguenther@suse.de>
1361 * doc/invoke.texi (fno-inline): Clarify documentation.
1362 (finline-small-functions): Likewise.
1363 (finline-functions): Likewise.
1364 * common.opt (finline): Adjust comment and documentation.
1365 (finline-small-functions): Clarify documentation.
1366 (finline-functions): Likewise.
1367 (finline-functions-called-once): Likewise.
1369 2012-02-01 Tristan Gingold <gingold@adacore.com>
1371 * c-typeck.c (composite_type): Keep mode for pointers.
1373 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1375 * function.h (regno_reg_rtx): Adjust comment.
1376 * reginfo.c (init_reg_modes_target): Only use the previous mode
1377 if it fits within one register. Remove MIPS comment.
1379 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1382 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1384 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1386 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1387 to srak instruction.
1389 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1391 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1393 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1398 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1400 2012-01-31 Richard Guenther <rguenther@suse.de>
1402 PR tree-optimization/51528
1403 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1406 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1411 * ree.c (add_removable_extension): Change def_map argument
1412 to unsigned *, store in def_map 1 + offset into *insn_list vector
1413 instead of pointers into the vector.
1414 (find_removable_extensions): Adjust caller.
1416 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1418 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1419 Transform all "* quoted-c-code" to { c-code }.
1420 Remove redundant test for "optimize" in combine patterns.
1421 Move (include "avr-dimode.md") to end of file.
1423 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1426 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1427 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1429 2012-01-30 Richard Guenther <rguenther@suse.de>
1431 PR tree-optimization/52028
1432 * tree-loop-distribution.c (ldist_gen): Properly update
1435 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1438 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1439 set_cur_line_info_table if not emitting debug info.
1441 PR tree-optimization/52046
1442 * tree-vect-patterns.c (check_bool_pattern): Give up if
1443 a comparison could throw.
1446 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1448 2012-01-30 Richard Guenther <rguenther@suse.de>
1450 PR tree-optimization/52045
1451 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1452 SSA form if cfgcleanup did anything.
1454 2012-01-30 Richard Guenther <rguenther@suse.de>
1456 PR tree-optimization/52045
1457 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1458 before computing final todo.
1460 2012-01-30 Richard Guenther <rguenther@suse.de>
1462 PR tree-optimization/51528
1463 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1466 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1468 * df-problems.c (df_kill_notes): Check that the use refers
1469 to the note under examination.
1471 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1474 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1475 parameter and use short-lived pseudos.
1476 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1477 (sparc_expand_vector_init): Const-ify local variables and adjust
1478 calls to above functions.
1480 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1482 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1484 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1486 * doc/invoke.texi: Make usage of "compile time" and
1487 "run time"/"runtime" consistent throughout the file.
1489 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1491 * config/alpha/alpha.c (alpha_option_override): Default to
1492 full IEEE compliance mode for Go language.
1494 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1496 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1497 (LINK_SSP_SPEC): Define.
1499 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1502 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1505 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1507 * doc/invoke.texi: Correct hyphenation of "floating point",
1508 "double precision", and related terminology throughout the file.
1510 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1513 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1514 arm_general_register_operand predicate for operand 2 instead of
1517 2012-01-27 Ian Lance Taylor <iant@google.com>
1520 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1521 * builtins.c (expand_builtin_init_trampoline): Add onstack
1522 parameter. Change caller.
1523 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1524 * tree.c (build_common_builtin_nodes): Declare
1525 __builtin_init_heap_trampoline.
1527 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
1529 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1530 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1531 * config/avr/avr.c: Ditto.
1532 (avr_regnames): Remove because unused.
1533 * config/avr/avr.md (*cpse.ne): New peephole.
1534 (*cpse.eq): New peephole from former cpse peepholes.
1536 2012-01-27 Michael Eager <eager@eagercon.com>
1538 * config/microblaze.c (microblaze_emit_compare): Correct
1539 test after pcmp instruction.
1541 2012-01-27 Richard Guenther <rguenther@suse.de>
1543 PR tree-optimization/52020
1544 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1546 2012-01-27 Richard Guenther <rguenther@suse.de>
1548 * ipa-pure-const.c (check_stmt): Clobbers do not make a
1549 function non-const/pure.
1551 2012-01-27 Richard Guenther <rguenther@suse.de>
1553 PR tree-optimization/50444
1554 * tree-sra.c (build_ref_for_offset): Properly adjust the
1555 MEM_REF type for unaligned accesses.
1557 2012-01-27 Richard Guenther <rguenther@suse.de>
1559 PR tree-optimization/50444
1560 * expr.c (mem_ref_refers_to_non_mem_p): New function.
1561 (expand_assignment): Use it. Properly handle misaligned
1562 bases when expanding stores to component references.
1563 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1566 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
1569 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1570 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1571 * tree-data-ref.c (find_data_references_in_loop): Make static.
1572 (compute_all_dependences): Change return type to bool. Bail out
1573 for too many datarefs in a loop. Move the hunk resetting the data
1574 dependences vector from ...
1575 (compute_data_dependences_for_loop): ... here. Account for
1576 compute_all_dependences returning false.
1577 (compute_data_dependences_for_bb): Likewise.
1578 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1579 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1581 2012-01-27 Richard Guenther <rguenther@suse.de>
1584 * expr.c (store_field): Use the alias-set of the scratch memory
1587 2012-01-27 Tom de Vries <tom@codesourcery.com>
1589 PR tree-optimization/51990
1590 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1592 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1594 2012-01-27 Jakub Jelinek <jakub@redhat.com>
1597 * var-tracking.c (reverse_op): Don't add any reverse operation
1598 if V already has any constant locations.
1600 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1602 * doc/invoke.texi: Correct usage of "command line" (noun)
1603 vs "command-line" (adjective) throughout.
1605 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
1607 * doc/invoke.texi (Language Independent Options): Move
1608 -Wcoverage-mismatch blurb from here....
1609 (Warning Options): ...to here.
1611 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
1613 * config/rs6000/rs6000.c (rs6000_option_override_internal):
1614 Set rs6000_always_hint to false for 476.
1616 2012-01-27 Matthias Klose <doko@ubuntu.com>
1618 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1620 * incpath.c (add_standard_paths): Likewise.
1622 2012-01-27 Richard Henderson <rth@redhat.com>
1624 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1625 * config/m68k/sync.md (atomic_test_and_set): Rename from
1626 sync_test_and_setqi and adjust the operands.
1627 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1628 and unconditionally enable.
1630 2012-01-27 Richard Henderson <rth@redhat.com>
1632 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1633 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1634 (ldstub): Rename from ldstubqi.
1635 (ldstub<I24MODE>): Remove.
1637 2012-01-27 Richard Henderson <rth@redhat.com>
1639 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1640 * c-cppbuiltin.c (cpp_atomic_builtins): Define
1641 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1642 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1643 * doc/tm.texi: Rebuild.
1645 2012-01-27 Richard Henderson <rth@redhat.com>
1647 * optabs.c (gen_atomic_test_and_set): Remove default.
1648 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1650 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1652 PR rtl-optimization/51978
1653 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1654 (combine_reaching_defs): Likewise.
1655 (struct re_info): Remove.
1656 (add_removable_extension): Remove x and data arguments,
1657 add insn, insn_list and def_map. Use the arguments directly
1658 instead of using struct re_info.
1659 (find_removable_extensions): Don't call add_removable_extension
1660 through note_stores, instead just call it with single_set
1662 (find_and_remove_re): Pass curr_cand->expr instead of
1663 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1665 2012-01-26 Michael Matz <matz@suse.de>
1667 PR tree-optimization/46590
1668 * cfgexpand.c: Revert last change (r183305).
1669 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1671 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1672 checking for emptiness.
1674 2012-01-26 Jakub Jelinek <jakub@redhat.com>
1677 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1678 non-addressable non-BLKmode base correctly.
1680 2012-01-26 Michael Matz <matz@suse.de>
1682 PR tree-optimization/48794
1683 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1684 regions referenced from RESX/EH_DISPATCH.
1686 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1688 * config/s390/s390.h: Make BRANCH_COST an option.
1689 * config/s390/s390.opt: New option -mbranch-cost.
1691 2012-01-26 Richard Henderson <rth@redhat.com>
1693 Revert 2012-01-24 change:
1694 * trans-mem.c (requires_barrier): Do not instrument thread local
1695 variables and emit save/restore for them.
1697 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1700 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1703 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1705 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1708 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1711 Rename __pgm to __flash.
1712 Rename __pgm1 to __flash1.
1713 Rename __pgm2 to __flash2.
1714 Rename __pgm3 to __flash3.
1715 Rename __pgm4 to __flash4.
1716 Rename __pgm5 to __flash5.
1717 Rename __pgmx to __memx.
1718 * doc/extend.texi (AVR Named Address Spaces)
1719 Rename address space names as indicated above.
1720 * config/avr/avr.c (avr_addrspace): Ditto.
1722 * config/avr/avr-protos.h
1723 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1724 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1725 * config/avr/predicates.md: Ditto.
1726 * config/avr/avr.c Ditto, and
1727 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1728 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1730 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1731 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1732 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1733 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1734 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1735 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1736 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1737 * config/avr/avr.c: Ditto.
1738 * config/avr/avr.md: Ditto.
1740 2012-01-25 Jason Merrill <jason@redhat.com>
1743 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1745 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1747 PR tree-optimization/51987
1748 * tree-data-ref.c (get_references_in_stmt): Handle references in
1749 non-volatile GIMPLE_ASM.
1751 2012-01-25 Richard Guenther <rguenther@suse.de>
1753 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1754 bases are dereferenced.
1756 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1758 PR rtl-optimization/48374
1759 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1761 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1763 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1764 compute_data_dependences_for_loop returns false.
1765 * tree-parloops.c (loop_parallel_p): Likewise.
1767 2012-01-25 Richard Guenther <rguenther@suse.de>
1769 * tree.h (get_pointer_alignment_1): Declare.
1770 * builtins.c (get_pointer_alignment_1): New function.
1771 (get_pointer_alignment): Use it.
1773 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1775 PR rtl-optimization/48308
1776 * combine.c (enum undo_kind): Add UNDO_LINKS.
1777 (struct undo): Add member l to other_contents and where.
1778 (do_SUBST_LINK): New.
1780 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1781 (undo_all): Handle UNDO_LINKS.
1783 2012-01-25 Richard Henderson <rth@redhat.com>
1785 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1788 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1790 * optabs.c (gen_atomic_test_and_set): Use each argument.
1792 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1794 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1795 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1796 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1797 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1798 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1799 TARGET_PAIRED_SINGLE_FLOAT.
1801 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1803 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1804 (in_struct, return_val): Remove MEM documentation.
1805 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1806 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1807 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1809 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1810 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1811 * expr.c (store_field): Likewise.
1812 * function.c (assign_stack_temp_for_type): Likewise.
1813 * ifcvt.c (noce_try_cmove_arith): Likewise.
1814 * reload1.c (reload): Likewise.
1815 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1816 (alpha_set_memflags): Likewise.
1817 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1819 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1821 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1823 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1824 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1825 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1827 * cselib.c (cselib_rtx_varies_p): Delete.
1828 (cselib_invalidate_mem): Update call to canon_true_dependence.
1829 * dse.c (record_store, check_mem_read_rtx): Likewise.
1830 (scan_reads_nospill): Likewise.
1831 * cse.c (check_dependence): Likewise.
1832 (cse_rtx_varies_p): Delete.
1833 * expr.c (safe_from_p): Update call to true_dependence.
1834 * ira.c (validate_equiv_mem_from_store): Likewise.
1835 (memref_referenced_p): Likewise.
1836 * postreload-gcse.c (find_mem_conflicts): Likewise.
1837 * sched-deps.c (sched_analyze_2): Likewise.
1838 * store-motion.c (load_kills_store): Likewise.
1839 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1840 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1841 (compute_transp): Update call to canon_true_dependence.
1843 2012-01-25 Richard Henderson <rth@redhat.com>
1845 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1846 (maybe_emit_atomic_test_and_set): New.
1847 (expand_sync_lock_test_and_set): Use it.
1848 (expand_atomic_test_and_set): Likewise.
1849 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1850 the implementation; clarify implementation defined details.
1851 * doc/md.texi (atomic_test_and_set): Document.
1853 2012-01-25 Richard Henderson <rth@redhat.com>
1855 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1857 2012-01-25 Richard Henderson <rth@redhat.com>
1860 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1861 to effect no-op split.
1863 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1866 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1867 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1868 (BT_FN_VOID_PTR_INT_SIZE): New.
1869 (BT_FN_UINT_UINT_VAR): Remove.
1870 (BT_FN_UINT32_UINT32_VAR): New.
1871 (BT_FN_DOUBLE_VPTR): Remove.
1872 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1874 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1875 (_ITM_changeTransactionMode): Same.
1876 (_ITM_memmoveRtWt): Change return type to void.
1877 (_ITM_memcpyRtWt): Same.
1878 (_ITM_memsetW): Same.
1879 (_ITM_RaRD): Change types to double.
1884 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1886 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1887 Patrick Marlier <patrick.marlier@gmail.com>
1889 * trans-mem.c (requires_barrier): Do not instrument thread local
1890 variables and emit save/restore for them.
1892 2012-01-24 Jason Merrill <jason@redhat.com>
1895 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1896 output static aliases.
1898 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1901 * common.opt (-pie, -shared, pie, shared): Change from Common to
1903 * gcc.c (display_help): Display help for -pie and -shared.
1905 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1908 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1909 Remove note on size/offset limitation.
1910 (AVR Variable Attributes): Add example how to read data located
1911 with progmem. Refer to named address spaces.
1912 * doc/invoke.texi (AVR Options): Fix typo.
1914 2012-01-24 Richard Guenther <rguenther@suse.de>
1916 Forward-port to trunk
1917 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1920 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1921 op0 isn't sufficiently aligned and there is movmisalignM
1922 insn for mode, use it to load op0 into a temporary register.
1924 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1927 * target.def (const_not_ok_for_debug_p): New hook.
1928 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1930 * doc/tm.texi: Regenerated.
1931 * dwarf2out.c (const_ok_for_output_1): If
1932 targetm.const_not_ok_for_debug_p returns true, fail.
1933 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1935 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1937 2012-01-23 Kai Tietz <ktietz@redhat.com>
1940 * config/i386/predicates.md (symbolic_operand): Allow
1941 UNSPEC_PCREL as PIC expression for lea.
1942 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1943 * config/i386/i386.c (ix86_delegitimize_address): Handle
1944 UNSPEC_PCREL for none-MEM, too.
1946 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1948 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1949 (ipa_tm_create_version_alias): Same.
1951 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1954 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1955 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1957 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1958 Patrick Marlier <patrick.marlier@gmail.com>
1959 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1962 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1963 simple_object_start_read.
1965 2012-01-23 Richard Guenther <rguenther@suse.de>
1968 PR tree-optimization/51895
1969 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1970 parameter decomposition into BLKmode components.
1972 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1974 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1975 fake variables for restrict-qualified pointers whose pointed-to type
1976 contains a placeholder.
1978 2012-01-23 Richard Guenther <rguenther@suse.de>
1980 PR tree-optimization/51949
1981 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1983 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1985 PR rtl-optimization/51933
1986 * ree.c (transform_ifelse): Return true right away if dstreg is
1987 already wider or equal to cand->mode.
1988 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1989 (make_defs_and_copies_lists): Remove defs_list and copies_list
1990 arguments, add state argument, just truncate state->work_list
1991 instead of always allocating and freeing the vector. Assert that
1992 get_defs succeeds instead of returning 2. Changed return type to bool.
1993 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1994 have ext_src_mode, see if it has been modified already with the
1995 right kind of extension and has been extended before from the
1996 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1997 just return true. Remember the original mode in state->modified array.
1998 (combine_reaching_defs): Add state argument. Don't allocate and
1999 free here def_list, copied_list and vec vectors, instead just
2000 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2001 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2002 Add state variable, clear vectors in it, initialize state.modified
2003 if needed. Free all the vectors at the end and state.modified too.
2004 Don't skip a candidate if the extension expression has been modified.
2006 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2009 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2010 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2011 (extra_options) interix.opt -> i386/interix.opt"
2012 (extra_objs):Add winnt-stubs.o
2013 * configure.ac: Add interix to target_os .comm on PE check.
2014 * configure: Regenerate.
2015 * config/interix3.h: Delete and move bits to..
2016 * config/interix.h: Delete and move bits to..
2017 * config/i386/i386-interix3.h: Delete and move bits to..
2018 * config/i386/i386-interix.h: ..here.
2019 (TARGET_CPU_DEFAULT): Remove redefinition.
2020 (TARGET_ASM_CONSTRUCTOR): Undefine.
2021 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2022 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2023 (PTRDIFF_TYPE): Define.
2024 (LONG_DOUBLE_TYPE_SIZE): Define.
2025 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2026 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2027 (TARGET_SECTION_TYPE_FLAGS): Define.
2028 (ASM_DECLARE_FUNCTION_NAME): Define.
2029 (ASM_OUTPUT_EXTERNAL): Define.
2030 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2031 (ASM_OUTPUT_ALIGNED_BSS): Define.
2032 (PCC_BITFIELD_TYPE_MATTERS): Define.
2033 (USE_CONST_SECTION): Define.
2034 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2035 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2036 (SUPPORTS_ONE_ONLY): Remove.
2037 (I386_PE_STRIP_ENCODING): Define.
2038 * config/interix.opt: Delete and move bits to..
2039 * config/i386/interix.opt: ..here. New.
2040 (mpe-aligned-commons): Add.
2041 * config/i386/t-interix: Add copyright header.
2042 (winnt-stubs.o): Add rule.
2044 2012-01-22 Jason Merrill <jason@redhat.com>
2047 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2048 for extra name aliases.
2050 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2052 PR rtl-optimization/51924
2053 * ree.c (combine_set_extension): Improve debugging message.
2054 (combine_reaching_defs): Likewise.
2055 (get_defs): Rename confusingly named variable.
2056 (find_and_remove_re): Skip a candidate if the extension expression has
2059 2012-01-21 Robert Millan <rmh@gnu.org>
2060 Gerald Pfeifer <gerald@pfeifer.com>
2062 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2063 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2065 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2067 PR tree-optimization/51914
2068 * tree-vect-stmts.c (vectorizable_conversion): For
2069 cvt_type && modifier == WIDEN, put temporary with cvt_type
2070 at the beginning of vec_dsts and set vec_dest to temporary
2073 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2075 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2077 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2079 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2080 * config/rs6000/rs6000.c: Likewise.
2082 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2085 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2086 output_move_double on a copy of operands array.
2088 2012-01-20 Cary Coutant <ccoutant@google.com>
2089 Dodji Seketeli <dodji@redhat.com>
2092 * dwarf2out.c (copy_declaration_context): Return ref to parent
2093 of declaration DIE, if necessary.
2094 (remove_child_or_replace_with_skeleton): Add new parameter; update
2095 caller. Place skeleton DIE under parent DIE of original declaration.
2096 Move call to copy_declaration_context to here ...
2097 (break_out_comdat_types): ... from here.
2099 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2101 PR rtl-optimization/51856
2102 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2105 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2108 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2109 hints for neon loads and stores.
2111 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2115 * doc/extend.texi (Named Address Spaces): Split into subsections.
2116 (AVR Named Address Spaces): New subsection.
2117 (M32C Named Address Spaces): New subsection.
2118 (RL78 Named Address Spaces): New subsection.
2119 (SPU Named Address Spaces): New subsection.
2120 (Variable Attributes): New anchor "AVR Variable Attributes".
2121 (AVR Variable Attributes): Rewrite and avoid wording
2122 "address space" in this context.
2123 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2124 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2125 (AVR Built-in Macros): New subsubsection therein.
2126 * doc/md.texi (AVR constraints): Remove "C04", "R".
2128 2012-01-20 Richard Guenther <rguenther@suse.de>
2130 PR tree-optimization/51903
2131 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2132 when removing stmts.
2134 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2137 * config/arm/arm.c (arm_load_pic_register): Use
2138 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2139 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2140 (arm_pic_static_addr): Likewise.
2141 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2142 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2143 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2144 (pic_load_addr_unified): New.
2146 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2149 * function.c (instantiate_virtual_regs_in_insn): Use
2150 delete_insn_and_edges when removing a wrong asm insn.
2152 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2154 PR rtl-optimization/40761
2155 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2156 Add new member loop_num.
2157 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2158 (ira_build): Remove the parameter.
2160 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2161 (ira.c): Do not build CFG loops for one region allocation. Remove
2162 argument from ira_build call.
2164 * ira-build.c (init_loop_tree_node): New function.
2165 (create_loop_tree_nodes): Use it. Separate the case when CFG
2166 loops are not built.
2167 (more_one_region_p): Check current_loops.
2168 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2170 (add_loop_to_tree): Process loop equal to NULL too.
2171 (form_loop_tree): Separate the case when CFG loops are not built.
2172 Use explicitly number for the root.
2173 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2175 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2176 instead of loop->num.
2177 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2178 (mark_all_loops_for_removal): Ditto.
2179 (remove_unnecessary_regions): Separate the case when CFG loops
2181 (ira_build): Remove the parameter. Use explicit number of regions
2182 when CFG loops are not built.
2184 * ira-color.c (print_loop_title): Separate the case for the root node.
2185 Use loop_num instead of loop->num.
2186 (move_spill_restore): Use loop_num instead of loop->num.
2188 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2189 (change_loop): Ditto.
2190 (change_loop): Use loop_num instead of loop->num.
2192 * ira-lives.c (process_bb_node_lives): Ditto.
2194 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2196 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2198 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2201 * tree-mudflap.c (mf_artificial): New function.
2202 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2203 mx_register_decls, mudflap_enqueue_decl): Use it.
2206 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2207 numbers in the insn pattern.
2209 2012-01-19 Michael Matz <matz@suse.de>
2211 PR tree-optimization/46590
2212 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2213 use it in remembering which conflicts we already created.
2214 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2217 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2220 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2221 (merge_and_complain): Same.
2223 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2226 * config/initfini-array.h: Guard content of the header
2227 with #ifdef HAVE_INITFINI_ARRAY.
2228 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2229 Add initfini-array.h to tm_file here.
2230 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2231 * config.gcc: Don't add initfini-array.h to tm_file here.
2232 * configure: Regenerated.
2234 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2236 PR rtl-optimization/51505
2237 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2238 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2239 (df_note_bb_compute): Update the call to df_kill_notes.
2241 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2243 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2245 2012-01-18 Richard Guenther <rguenther@suse.de>
2247 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2248 of conversions to void *.
2250 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2251 Richard Sandiford <rdsandiford@googlemail.com>
2255 * optabs.h (simplify_expand_binop): Declare.
2256 * optabs.c (simplify_expand_binop): Make global.
2257 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2258 endian targets if the source cannot be exactly covered by word
2261 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2264 * hard-reg-set.h (struct hard_reg_set_container): New type.
2265 * target.h (struct hard_reg_set_container): Forward declare.
2266 * target.def (set_up_by_prologue): New target hook.
2267 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2268 * doc/tm.texi: Regenerated.
2269 * function.c (thread_prologue_and_epilogue_insns): Change
2270 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2271 Call targetm.set_up_by_prologue on it.
2272 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2273 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2275 2012-01-17 Nick Clifton <nickc@redhat.com>
2277 * config/rx/rx.c (rx_can_use_simple_return): New function.
2278 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2279 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2281 2012-01-17 Richard Guenther <rguenther@suse.de>
2284 * expr.c (expand_assignment): Take address-space information
2285 from the address operand of MEM_REF and TARGET_MEM_REF.
2286 (expand_expr_real_1): Likewise.
2288 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2290 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2291 reload dump is requested.
2293 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2296 * trans-mem.c (requires_barrier): Call may_be_aliased.
2298 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2300 PR tree-optimization/51877
2301 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2302 call arguments and fndecls compare equal, instead return false if they
2303 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2304 both SSA_NAMEs that are valueized the same, or they satisfy
2307 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2309 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2311 * configure: Regenerate.
2313 2012-01-16 Jan Hubicka <jh@suse.cz>
2317 * convert.c (convert_to_integer): Use fold_convert for
2318 converting an INTEGER_CST to integer type.
2320 2012-01-16 Jason Merrill <jason@redhat.com>
2323 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2325 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2328 * config/s390/s390.c (s390_chunkify_start): Don't skip
2329 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2330 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2331 If insn is followed by NOTE_INSN_VAR_LOCATION or
2332 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2333 Don't use location of note insns.
2335 PR tree-optimization/51865
2336 * tree-inline.c (tree_function_versioning): Call remap_decl
2337 on DECL_RESULT whenever it has VOID_TYPE_P type.
2339 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2341 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2342 for calls to locally-binding MIPS16 functions if only the return
2343 type uses float regs.
2345 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2346 Richard Sandiford <rdsandiford@googlemail.com>
2348 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2349 (SYMBOL_32_HIGH): Likewise.
2350 (mips_output_tls_reloc_directive): Declare.
2351 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2352 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2353 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2354 (mips_lo_relocs, mips_hi_relocs): Make extern.
2355 (mips16_stub_function): Move up file.
2356 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2357 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2358 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2359 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2360 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2361 (mips_get_tp): Add MIPS16 support.
2362 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2363 Generalize DTPREL and TPREL handling.
2364 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2365 Add MIPS16 TLS support.
2366 (mips_output_tls_reloc_directive): New function.
2367 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2368 * config/mips/predicates.md (symbolic_operand_with_high)
2369 (tls_reloc_operand): New predicates.
2370 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2371 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2372 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2373 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2374 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2375 (*tls_get_tp_mips16_call_<mode>): Likewise.
2377 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2379 PR rtl-optimization/51821
2380 * recog.c (peep2_find_free_register): Determine clobbered registers
2383 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2386 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2387 * config/avr/avr.c: Likewise.
2388 * config/avr/avr.h: Likewise.
2390 2012-01-13 Ian Lance Taylor <iant@google.com>
2393 * tree.h (TYPE_QUALS): Add cast to int.
2394 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2396 2012-01-13 Ian Lance Taylor <iant@google.com>
2398 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2399 comparing param_index to VEC_length result.
2401 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2403 * c-decl.c: Do not include tree-mudflap.h
2404 * tree-optimize.c: Likewise.
2405 * Makefile.in: Update dependencies.
2407 2012-01-13 Richard Guenther <rguenther@suse.de>
2410 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2411 variable-sized result always use RSO.
2413 2012-01-12 DJ Delorie <dj@redhat.com>
2415 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2416 pointer type, not just the default pointer type.
2418 2012-01-09 Richard Henderson <rth@redhat.com>
2419 Denis Chertykov <chertykov@gmail.com>
2422 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2423 * config/avr/avr.c (avr_can_eliminate): Simplify.
2424 (avr_initial_elimination_offset): Likewise.
2425 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2426 (expand_epilogue): Likewise.
2427 (avr_legitimize_address): Gut.
2428 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2429 (avr_hard_regno_nregs): New.
2430 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2431 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2432 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2433 add soft frame pointer.
2434 (CALL_USED_REGISTERS): Likewise.
2435 (REG_CLASS_CONTENTS): Likewise.
2436 (REGISTER_NAMES): Likewise.
2437 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2438 (HARD_FRAME_POINTER_REGNUM): New.
2439 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2440 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2441 remove the HARD_FRAME_POINTER self-elimination.
2443 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2446 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2447 DECL_EXTERNAL when checking for initializers of progmem variables.
2449 2012-01-12 Ira Rosen <irar@il.ibm.com>
2451 PR tree-optimization/51799
2452 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2453 that the last operation is a type demotion.
2455 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2457 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2458 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2460 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2463 * combine.c (distribute_notes): If i3 is a noreturn call,
2464 allow old_size to be equal to args_size and make sure the
2465 noreturn call gets REG_ARGS_SIZE note.
2466 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2467 on noreturn calls even when the delta is 0.
2469 2012-01-11 Nathan Sidwell <nathan@acm.org>
2471 * gcov.c (STRING_SIZE): Remove.
2472 (generate_results): Erase annotations for source files with no
2473 coverage information.
2475 (output_lines): Use it.
2477 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2479 * gimple.h (gimplify_body): Remove first argument.
2480 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2481 pointer set here, instead just pass DATA to walk_tree.
2482 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2483 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2484 (unvisit_body): Likewise, but with unmark_visited.
2485 (gimplify_body): Remove BODY_P argument and adjust.
2486 (gimplify_function_tree): Adjust call to gimplify_body.
2487 * omp-low.c (finalize_task_copyfn): Likewise.
2489 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2491 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2492 (build_function_type_skip_args): Delete.
2493 * tree.c (build_function_type_skip_args): Make static and add
2494 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2495 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2496 pass it to build_function_type_skip_args.
2497 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2498 (tree_function_versioning): Likewise.
2499 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2500 build_function_decl_skip_args.
2501 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2502 and pass it to build_function_decl_skip_args/tree_function_versioning.
2503 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2504 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2505 * trans-mem.c (ipa_tm_create_version): Likewise.
2506 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2507 * tree-inline.c (declare_return_variable): Remove always-true test.
2508 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2509 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2510 * ipa-split.c (split_function): Skip the return value for the split
2511 part if it doesn't return.
2513 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2515 PR tree-optimization/49642
2516 * ipa-split.c (forbidden_dominators): New variable.
2517 (check_forbidden_calls): New function.
2518 (dominated_by_forbidden): Likewise.
2519 (consider_split): Check for forbidden dominators.
2520 (execute_split_functions): Initialize and free forbidden
2521 dominators info; call check_forbidden_calls.
2523 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2525 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2527 2012-01-11 Nick Clifton <nickc@redhat.com>
2529 * config/rx/rx.md (return): Define pattern.
2531 2012-01-11 Richard Guenther <rguenther@suse.de>
2533 * doc/extend.texi (malloc attribute): Adjust according to
2536 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
2537 Patrick Marlier <patrick.marlier@gmail.com>
2540 * trans-mem.c (get_cg_data): Traverse aliases if requested.
2541 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2542 (ipa_tm_note_irrevocable): Same.
2543 (ipa_tm_scan_irr_block): Same.
2544 (ipa_tm_decrement_clone_counts): Same.
2545 (ipa_tm_scan_irr_function): Same.
2546 (ipa_tm_create_version_alias): Same.
2547 (ipa_tm_create_version): Same.
2548 (ipa_tm_transform_calls_redirect): Same.
2549 (ipa_tm_transform_calls): Same.
2550 (ipa_tm_transform_transaction): Same.
2551 (ipa_tm_execute): Same.
2553 2012-01-10 Richard Guenther <rguenther@suse.de>
2556 * opts.c (common_handle_option): Handle -Werror.
2558 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
2560 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2563 2012-01-10 Jason Merrill <jason@redhat.com>
2565 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2568 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2570 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2571 supports R_386_TLS_GD_PLT reloc.
2572 (gcc_cv_as_ix86_tlsldmplt): Check if linker
2573 supports R_386_TLS_LDM_PLT reloc.
2574 * configure: Regenerate.
2575 * config.in: Regenerate.
2577 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
2580 Extend __pgmx semantics to linearize memory.
2581 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2582 determine if code comes inline or from libgcc.
2583 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2584 (movmem_qi, movmem_qi): Set constraint #2 to "n".
2585 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2586 (movmemx_qi, movmemx_hi): New insns.
2587 (xload_<mode>_libgcc): Rewrite to new insn condition.
2588 (xload_<mode>): Remove insns.
2589 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2590 cases that don't satisfy avr_xload_libgcc_p().
2591 (avr_addr_space_convert): Allow converting in any direction.
2592 (avr_addr_space_subset_p): Return always true.
2593 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2594 (avr_emit_movmemhi): Ditto.
2595 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2596 (avr_out_movmem): Ditto.
2597 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2598 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2599 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2600 (avr_encode_section_info): Encode 'progmem' in symbol flags.
2601 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2603 2012-01-10 Richard Guenther <rguenther@suse.de>
2605 PR tree-optimization/50913
2606 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2607 Require data-refs to be representable by Graphite with respect
2610 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
2612 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2613 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2615 2012-01-10 Tom de Vries <tom@codesourcery.com>
2617 PR rtl-optimization/51271
2618 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2619 handling annulled branch.
2621 2012-01-10 Richard Henderson <rth@redhat.com>
2623 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2624 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2625 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2626 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2627 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2628 arm_expand_vec_perm_const): New.
2629 * config/arm/arm-protos.h: Update.
2630 * config/arm/neon.md (UNSPEC_VCONCAT): New.
2631 (*neon_vswp<VDQX>): New.
2632 (neon_vcombine<VDX>): Use neon_split_vcombine.
2633 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2634 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2635 (vec_perm<VE>): New.
2637 2012-01-10 Richard Henderson <rth@redhat.com>
2639 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2640 use it if reload_completed.
2641 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2642 arm_output_asm_insn, arm_process_output_memory_barrier,
2643 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2644 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2645 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2646 arm_process_output_sync_insn, arm_output_sync_insn,
2647 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2648 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2649 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2650 (emit_unlikely_jump): New.
2651 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2652 (arm_split_atomic_op): New.
2653 * config/arm/arm-protos.h: Update.
2654 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2655 (struct arm_sync_generator): Remove.
2656 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2657 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2658 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2659 (VUNSPEC_LL, VUNSPEC_SC): New.
2660 (sync_result, sync_memory, sync_required_value, sync_new_value,
2661 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2662 (attr length): Don't use arm_sync_loop_insns.
2663 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2664 (movsfcc, movdfcc): Likewise.
2665 * config/arm/constraints.md (Ua): New.
2666 * config/arm/prediates.md (mem_noofs_operand): New.
2667 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2668 (sync_clobber, sync_t2_reqd): Remove.
2669 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2670 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2671 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2672 (arm_sync_compare_and_swap<SIDI>): Remove.
2673 (arm_sync_compare_and_swap<NARROW>): Remove.
2674 (arm_sync_lock_test_and_set<SIDI>): Remove.
2675 (arm_sync_lock_test_and_set<NARROW>): Remove.
2676 (arm_sync_new_<syncop><SIDI>): Remove.
2677 (arm_sync_new_<syncop><NARROW>): Remove.
2678 (arm_sync_new_nand<SIDI>): Remove.
2679 (arm_sync_new_nand<NARROW>): Remove.
2680 (arm_sync_old_<syncop><SIDI>): Remove.
2681 (arm_sync_old_<syncop><NARROW>): Remove.
2682 (arm_sync_old_nand<SIDI>): Remove.
2683 (arm_sync_old_nand<NARROW>): Remove.
2684 (*memory_barrier): Merge arm_output_memory_barrier.
2685 (atomic_compare_and_swap<QHSD>): New.
2686 (atomic_compare_and_swap<NARROW>_1): New.
2687 (atomic_compare_and_swap<SIDI>_1): New.
2688 (atomic_exchange<QHSD>): New.
2689 (cas_cmp_operand, cas_cmp_str): New.
2690 (atomic_op_operand, atomic_op_str): New.
2691 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2692 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2693 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2694 (arm_load_exclusive<NARROW>): New.
2695 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2696 (arm_store_exclusive<QHSD>): New.
2698 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2700 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2701 reload patterns if -mvsx-scalar-memory.
2703 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2704 generated, even -mno-vsx-scalar-double was used.
2705 (vsx_xscvdpsp_scalar): Likewise.
2706 (vsx_xscvspdp_scalar2): Likewise.
2708 2012-01-09 Tom de Vries <tom@codesourcery.com>
2709 Andrew Pinski <apinski@cavium.com>
2712 * reorg.c (fill_slots_from_thread): Don't speculate
2713 frame-related insns.
2715 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2717 * sched-int.h (bb_note): Move to...
2718 * basic-block.h: ...here.
2719 * haifa-sched.c (bb_note): Move to...
2720 * cfgrtl.c: ...here.
2721 * function.c (next_block_for_reg): New function.
2722 (move_insn_for_shrink_wrap): Likewise.
2723 (prepare_shrink_wrap): Rewrite to use the above.
2725 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2727 * gimple.c (is_gimple_non_addressable): Remove.
2728 * gimple.h: Remove is_gimple_non_addressable.
2729 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2730 is_gimple_non_addressable.
2731 * trans-mem.c (expand_assign_tm): Same.
2733 2012-01-09 Richard Guenther <rguenther@suse.de>
2735 PR tree-optimization/51775
2736 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2737 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2739 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2741 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2743 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2745 2012-01-09 Richard Guenther <rguenther@suse.de>
2747 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2749 2012-01-08 Jan Hubicka <jh@suse.cz>
2751 PR tree-optimize/51680
2752 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2753 on when known_vals needs to be computed; cleanup.
2755 2012-01-08 Jan Hubicka <jh@suse.cz>
2757 PR tree-optimize/51694
2758 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2760 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2762 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2763 for -std=c++98 and -std=c++11 too.
2765 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2767 * cfgloop.c (cancel_loop): Add free() of bbs array.
2769 2012-01-07 Jan Hubicka <jh@suse.cz>
2771 PR tree-optimization/51600
2772 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2773 that benefits small functions.
2775 2012-01-07 Jan Hubicka <jh@suse.cz>
2777 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2779 2012-01-07 Jan Hubicka <jh@suse.cz>
2781 PR tree-optimization/51680
2782 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2783 whose inlining reduce unit size.
2785 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2788 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2789 Add canonical node to containing_mem chain after the non-canonical
2790 one, even if there weren't any locs to propagate.
2791 (remove_useless_values): Keep only canonical values.
2792 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2793 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2794 canonicalize mem_chain elements that are not discarded.
2796 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2799 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2800 before emitting functions.
2802 PR gcov-profile/50127
2803 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2804 clear_aux_for_blocks.
2806 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2809 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2811 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2813 * c-decl.c (ext_block): Moved up.
2814 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2816 2012-01-06 Han Shen <shenhan@google.com>
2818 Translate built-in include paths for sysroot.
2819 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2820 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2822 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2823 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2825 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2826 control whether sysroot should be prepended to gxx include dir.
2828 * configure: Regenerate.
2830 2012-01-06 Torvald Riegel <triegel@redhat.com>
2832 PR rtl-optimization/51771
2833 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2834 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2836 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2838 PR tree-optimization/51315
2839 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2840 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2842 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2845 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2846 for shrp pattern. Correctly handle and fixup shift variable.
2847 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2849 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2852 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2853 note when !ACCUMULATE_OUTGOING_ARGS.
2855 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2857 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2859 (extract_range_from_unary_expr_1): Avoid useless computations.
2861 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2863 PR rtl-optimization/51767
2864 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2865 of jump_block and add an extra edge for degenerated asm gotos.
2868 * stmt.c (check_unique_operand_names): Don't ICE during error
2869 reporting if i is from labels chain.
2872 * profile.c (branch_prob): Split bbs that have exit edge
2873 and need a fake entry edge too.
2875 2012-01-05 Jan Hubicka <jh@suse.cz>
2878 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2881 2012-01-05 Richard Guenther <rguenther@suse.de>
2884 * tree-streamer-out.c (write_ts_optimization): New function.
2885 (streamer_write_tree_body): Call it.
2886 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2887 (streamer_read_tree_body): Call it.
2888 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2890 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2893 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2894 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2895 in_cleanup_point_expr before gimplify_stmt call and restore it
2897 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2898 in_cleanup_point_expr is false.
2900 2012-01-05 Richard Guenther <rguenther@suse.de>
2903 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2905 * toplev.c (process_options): Reject combining mudflap and LTO.
2906 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2908 2012-01-05 Richard Guenther <rguenther@suse.de>
2910 PR tree-optimization/51760
2911 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2913 (bit_value_unop): Handle UNDEFINED operands.
2914 (bit_value_binop): Likewise.
2916 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2918 * config/avr/avr.c (avr_replace_prefix): Remove.
2919 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2920 (avr_asm_function_rodata_section): Ditto.
2921 (avr_asm_select_section): Ditto.
2923 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2925 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2928 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2931 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2932 calls that have any non-fake successor edges.
2935 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2937 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2939 PR tree-optimization/51624
2940 * tree-sra.c (build_ref_for_model): When replicating a chain of
2941 COMPONENT_REFs, stop as soon as the offset would become negative.
2943 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2946 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2947 in .debug_loc on the floor.
2949 2012-01-04 Andrew Pinski <apinski@cavium.com>
2951 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2953 2012-01-04 Andrew Pinski <apinski@cavium.com>
2954 Adam Nemet <anemet@caviumnetworks.com>
2956 * config/mips/mips.md (size): Add SI and DI.
2957 (SIZE): New mode attribute.
2958 (U): New code attribute.
2959 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2960 (mips_lbux_<mode>): Delete.
2961 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2962 (mips_lhx): Use gen_mips_lhx_extsi.
2963 (mips_lhx_<mode>): Delete.
2965 (mips_l<size>x): New expand.
2966 (mips_lwx_<mode>): Delete.
2967 (mips_l<GPR:size>x_<P:mode>): New pattern.
2968 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2969 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2970 * config/mips/mips.c (mips_lx_address_p): New function.
2971 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2972 (dsp64): New availability predicate.
2973 (mips_builtins): Add an entry for __builtin_mips_ldx.
2974 * config/mips/mips.h (ISA_HAS_LBX): New define.
2975 (ISA_HAS_LBUX): Likewise.
2976 (ISA_HAS_LHX): Likewise.
2977 (ISA_HAS_LHUX): Likewise.
2978 (ISA_HAS_LWX): Likewise.
2979 (ISA_HAS_LWUX): Likewise.
2980 (ISA_HAS_LDX): Likewise.
2981 * doc/extend.texi (__builtin_mips_ldx): Document.
2983 2012-01-04 Tristan Gingold <gingold@adacore.com>
2985 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2986 when long pointers are used.
2987 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2988 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2989 (ia64-hp-*vms*): Remove.
2990 * config/vms/xm-vms64.h: Delete.
2992 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2995 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2997 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2999 * opts.c (finish_options): Remove duplicate sorry.
3001 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3004 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3007 2012-01-04 Richard Guenther <rguenther@suse.de>
3010 * tree.c (size_low_cst): New function.
3011 * tree.h (size_low_cst): Declare.
3012 * fold-const.c (fold_comparison): Use it to extract the low
3013 part of the POINTER_PLUS_EXPR offset.
3015 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3017 Fix clearing ZERO_REG
3018 * config/avr/avr.md (cc): Add alternative "ldi".
3019 (movqi_insn): Use it in cc attribute.
3020 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3021 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3022 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3024 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3026 * configure: Regenerate.
3028 2012-01-04 Richard Guenther <rguenther@suse.de>
3030 PR tree-optimization/49651
3031 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3032 (var_can_have_subvars): Use it.
3033 (get_constraint_for_1): Only consider subfields if there can be any.
3035 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3038 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3039 to its new canonical_cselib_val and the cselib_val was in
3040 first_containing_mem chain, but the canonical_cselib_val was not,
3041 add the latter into the chain.
3042 (cselib_invalidate_mem): Compare canonical_cselib_val of
3043 addr_list chain elt with v.
3046 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3047 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3049 (output_macinfo_op): Don't ggc_strdup fd->filename.
3050 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3051 then ggc_strdup it. Don't free inc->info or cur->info.
3052 (output_macinfo): Don't free ref->info or file->info.
3054 2012-01-03 Ira Rosen <irar@il.ibm.com>
3056 PR tree-optimization/51269
3057 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3058 first_niters a pointer.
3059 (slpeel_tree_peel_loop_to_edge): Likewise.
3060 (vect_do_peeling_for_loop_bound): Update call to
3061 slpeel_tree_peel_loop_to_edge.
3062 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3063 here. Remove it from the parameters list.
3064 (vect_do_peeling_for_alignment): Update calls and compute
3067 2012-01-03 Richard Guenther <rguenther@suse.de>
3069 PR tree-optimization/51070
3070 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3071 Properly handle calls.
3073 2012-01-03 Richard Guenther <rguenther@suse.de>
3075 PR tree-optimization/51692
3076 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3077 the LHS of allocation stmts.
3079 2012-01-03 Olivier Hainque <hainque@adacore.com>
3081 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3083 2012-01-03 Olivier Hainque <hainque@adacore.com>
3085 * collect2.c (main): In AIX specific computations for vector
3086 insertions, use CONST_CAST2 to cast from char ** to const char **.
3088 2012-01-03 Richard Guenther <rguenther@suse.de>
3091 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3092 the context of a limbo DIE when it does not already exist.
3094 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3096 PR tree-optimization/51719
3097 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3098 but direct call is, clear direct call's lhs and don't add fallthrough
3099 edge from dcall_bb to join_bb and PHIs.
3101 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3103 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3104 the instructions emitted by the pattern.
3105 ("*TDC_insn_<mode>"): Add comment.
3107 2012-01-03 Richard Guenther <rguenther@suse.de>
3110 * fold-const.c (fold_comparison): Properly canonicalize
3111 tree offset and HOST_WIDE_INT bit position.
3113 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3115 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3116 operands for extzv pattern.
3118 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3121 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3124 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3126 * doc/invoke.texi (-flto and related options): Copy-edit.
3128 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3130 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3132 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3134 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3137 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3139 * expr.h (move_by_pieces_ninsns): Declare.
3140 * expr.c (move_by_pieces_ninsns): Make external.
3141 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3142 (mips_store_by_pieces_p): Likewise.
3143 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3144 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3145 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3146 (mips_store_by_pieces_p): Likewise.
3148 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3150 * passes.c (register_one_dump_file): Free full_name.
3152 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3153 (calculate_elim_costs_all_insns): Free offsets_at and
3154 offsets_known_at at the end and clear the pointers.
3156 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3158 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3159 this option introduced in r180739.
3161 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3164 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3165 (tmake_file target=avr): Add avr/t-multilib.
3167 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3168 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3169 * config/avr/genmultilib.awk: New file.
3170 * config/avr/t-multilib: New auto-generated file.
3171 * config/avr/multilib.h: New auto-generated file.
3172 * config/avr/t-avr (AVR_MCUS): New variable.
3173 (genopt.sh): Use it.
3174 (s-mlib): Depend on t-multilib.
3175 (t-multilib, multilib.h): New dependencies.
3176 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3177 (MULTILIB_OPTIONS): Remove.
3178 (MULTILIB_MATCHES): Remove.
3179 (MULTILIB_DIRNAMES): Remove.
3180 (MULTILIB_EXCEPTIONS): Remove:
3181 * config/avr/genopt.sh: Don't use hard coded file name;
3182 pass AVR_MCUS from t-avr instead.
3184 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3186 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3188 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3190 Implement light-weight DImode support.
3191 * config/avr/avr-dimode.md: New file.
3192 * config/avr/avr.md: Include it.
3193 (adjust_len): Add plus64, compare64.
3194 (HIDI): Remove code iterator.
3195 (code_stdname): New code attribute.
3196 (rotx, rotsmode): Remove DI.
3197 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3199 * config/avr/avr-protos.h (avr_have_dimode): New.
3200 (avr_out_plus64, avr_out_compare64): New.
3201 * config/avr/avr.c (avr_out_compare): Handle DImode.
3202 (avr_have_dimode): New variable definition and initialization.
3203 (avr_out_compare64, avr_out_plus64): New functions.
3204 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3205 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3206 (avr_compare_pattern): Skip DImode comparisons.
3208 2012-01-02 Revital Eres <revital.eres@linaro.org>
3210 * ddg.c (def_has_ccmode_p): New function.
3211 (add_cross_iteration_register_deps,
3212 create_ddg_dep_from_intra_loop_link): Call it.
3214 2012-01-02 Richard Guenther <rguenther@suse.de>
3217 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3219 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3221 * gcc.c (process_command): Update copyright notice dates.
3222 * gcov.c (print_version): Likewise.
3223 * gcov-dump.c (print_version): Likewise.
3224 * mips-tfile.c (main): Likewise.
3225 * mips-tdump.c (main): Likewise.
3227 2012-01-01 Ira Rosen <irar@il.ibm.com>
3229 PR tree-optimization/51704
3230 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3231 a use is inside the basic block or loop before accessing its vect info.
3233 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3235 PR rtl-optimization/51069
3236 * cfgloopmanip.c (remove_path): Removing path making irreducible
3237 region unconditional makes BB part of the region.
3239 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3241 PR tree-optimization/51683
3242 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3243 calls with side-effects.
3244 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3246 Copyright (C) 2012 Free Software Foundation, Inc.
3248 Copying and distribution of this file, with or without modification,
3249 are permitted in any medium without royalty provided the copyright
3250 notice and this notice are preserved.